JP6091343B2 - Paddy field machine - Google Patents

Description

  The present invention provides a seedling planting operation for planting seedlings in a field by planting claws, or a seeding plant that feeds seed pods from a cocoon tank by a cocoon feeding unit, and a seeding operation for feeding the fed seed pods to the field, and a fertilizer or a drug as a material The present invention relates to a paddy field work machine equipped with a traveling machine body including a material supply device that performs a fertilization work that feeds out a fertilizer that is fed out from a material tank by a feeding unit and supplies a fed chemical to the field.

  Conventionally, as shown in Patent Document 1, there has been a working machine provided with a granular material supply device and a fertilizer application device. In this working machine, the powder supply device intermittently feeds seeds from the powder tank by a set amount by a feed rotating body provided inside a feed case connected to the powder tank, and feeds the seeds fed out. It is made to fall to a farm field through the fall path which the cylindrical body has formed. The fertilizer feeding apparatus feeds the fertilizer from the fertilizer tank by a fertilizer feeding mechanism provided continuously to the fertilizer tank, and supplies the fed fertilizer to the groove fertilizer through the fertilizer supply hose by the conveying wind from the electric blower. The grooving fertilizer device forms a groove in the field near the side of the seed pod supplied to the field by the granular material supply device, and supplies the fertilizer from the fertilizer supply hose to the formed groove.

  Conventionally, as shown in Patent Document 2, there has been a riding type rice transplanter with a fertilizer applicator equipped with a powder fertilizer and a paste fertilizer. In this riding type rice transplanter, the powder fertilizer is composed of a hopper for storing the powdered fertilizer, a fertilizer feeding mechanism equipped with a feeding roll, a falling hose, and a grooving device for forming a fertilizer groove. Fertilize the part. In the paste fertilizer, fertilizer from the fertilizer tank is supplied to the fertilizer pump through the fertilizer hose, fertilizer pipe, support pipe and communication pipe, and from the fertilizer pump to the fertilizer pipe through the hose and planted by the fertilizer pipe Fertilize near the side of the seedling.

JP 2012-85599 A JP 7-236325 A

The above-described paddy field machine makes it possible to simultaneously perform seedling planting work or seeding work and fertilization work or medicine application work for supplying fertilizer or chemicals to planted seedlings or seeded seed pods.
In the case of conventional technology, planting seedlings or seed pods are supplied to the lateral side of the planted seedlings or seed pods, so that the roots of the planted seedlings or seed pods tend to extend toward the fertilizer. Seedling roots and seedling roots tend to bend toward the fertilizer. In addition, planted seedlings or seed pods tend to be separated from fertilizers and drugs, and the effectiveness of the fertilizers and drugs tends to be delayed.

  An object of the present invention is to provide a paddy field work machine capable of simultaneously performing seedling planting work or sowing work and fertilization work or drug application work in a state where it is easy to avoid the bias of the roots or in a state in which fertilizers and drugs are easily effective. There is to do.

The paddy field work machine according to the first invention is:
A seeding planting operation for planting seedlings in the field with planting claws, or a seeding plant that feeds seed pods from the cocoon tank by the cocoon feeding unit, and a seeding operation for feeding the fed seed potatoes to the field, and a fertilizer or drug by the material feeding unit A traveling machine body is provided with a material supply device that performs a fertilization work that feeds out the fertilizer that has been fed out from the tank and supplies the fed fertilizer to the field, or a medicine application work that supplies the fed chemical to the field,
The seedling planting or seeding site by the supply device and the fertilization site or the drug application site by the material supply device are configured to be positioned in a direction along the front-rear direction of the traveling machine body in a state of overlapping in plan view,
The material feeding portion is, in plan view, so as to be aligned in a direction along the vehicle body longitudinal direction with respect to the planting claw or the rough rice and feeding unit, Ri tare deploy the material supply device,
The material supply device is configured to supply the fertilizer or the drug to a groove formed in a field scene by a grooving device at the fertilizer application site or the drug application site,
A backfilling member for backfilling mud in a groove formed by the groove grooving device, and a leveling member for leveling the mud backfilled by the backfilling member, located on the rear side of the groove making device. Yes.

  According to the configuration of the first invention, seedling planting work or sowing work can be performed by the supply device, and at the same time, fertilization work or drug application work can be performed by the material supply apparatus. By overlapping the seedling planting or seeding site and the fertilizer application site or the drug application site in plan view, the roots of the seedlings to be planted and the roots of the seeds can be extended toward the fertilizer without bending so much. As close as possible to planted seedlings and seeds, it can be easily absorbed.

  While the seedling planting or seeding site and the fertilization site or the drug application site overlap in plan view, the material feeding part is aligned with the planting claw or heel feeding part in the direction along the longitudinal direction of the traveling machine body. In addition, the supply path for supplying fertilizer or medicine from the material supply unit to the field can be formed as a simple path that does not bend or is not bent so much in the longitudinal direction of the traveling machine body.

  Therefore, according to the first aspect of the present invention, not only can the seedling planting or seeding operation and the fertilizing operation or the medicinal operation be performed simultaneously, but also the labor can be extended without bending much, and the fertilizer and the medicine can be quickly It can be effective. And a material supply apparatus can be equipped compactly by simplification of a supply route.

  In this 2nd invention, the fertilization site | part or chemical | medical agent site | part by the said material supply apparatus is located directly under the seedling planting | planting location or sowing | spreading location by the said supply apparatus.

  According to the second aspect of the present invention, the roots of planted seedlings and roots of seed pods can be easily extended downward toward the fertilizer, or can be easily extended to the entire periphery of the seed pods where the medicine is located above. Easy to effectively use fertilizers and drugs.

  In this 3rd invention, the fertilization location or medicine application location by the said material supply apparatus is located at predetermined intervals with respect to the seedling planting location or sowing location by the said supply device.

  According to this 3rd invention, a predetermined space | interval can be provided between a planting seedling or a seed pod, and a fertilizer, or a chemical | medical agent, and a root elongation can be promoted. In addition, even if it is a seedling, seed pod, fertilizer or drug that may cause a functional failure when the planted seedling or seed potato is in contact with a fertilizer or drug, depending on the predetermined interval between the planted seedling or seed potato and the fertilizer application site or the drug application site Occurrence of functional failures can be avoided.

  In this 4th invention, the said material supply apparatus is arrange | positioned rather than the said supply apparatus to the traveling body front side.

  When the material supply device is located on the rear side of the traveling machine with respect to the supply device, in order to perform fertilization and application prior to sowing and seedling planting, a supply path for supplying fertilizer and chemicals from the material supply unit to the field is required. It is necessary to deploy the front and rear of the supply device, and the length of the supply path is increased. On the other hand, according to the fourth aspect of the present invention, the material supply device is positioned on the front side of the traveling machine body relative to the supply device, so that the supply path of the material supply device may be disposed on the front side of the supply device over the entire length. The length of the supply path can be shortened, and the material supply apparatus can be made compact with a short supply path.

  In the fifth aspect of the invention, the seeding locations by the supply device are scattered in the direction along the longitudinal direction of the traveling machine body.

  According to the fifth aspect of the present invention, it is possible to widely open the periphery of the seed pod by the seed varieties, and to effectively apply the fertilizer and the medicine to the seed potato from a wide range of the periphery.

  In this 6th invention, the sowing location by the said supply apparatus and the fertilization location by the said material supply apparatus overlap in planar view, and the fertilization location by the said material supply apparatus is scattered in the direction along a traveling body front-back direction.

  According to the sixth aspect of the present invention, it is only necessary to supply the fertilizer in a scattered state, and the fertilizer is easily applied by overlapping the sowing location and the fertilization location in plan view while reducing the consumption of the fertilizer.

  In this 7th invention, the seeding location by the said supply apparatus and the medicine application location by the said material supply apparatus overlap in planar view, and the medicine application location by the said material supply apparatus is scattered in the direction along a traveling body front-back direction.

  According to the seventh aspect of the present invention, it is only necessary to supply the drug in a scattered state, and while the amount of the drug consumed is reduced, the seeding site and the drug application site overlap each other in plan view, so that the drug is easily effective.

  In this 8th invention, the fertilization location or the medicine application location by the said material supply apparatus continues in the direction in alignment with the traveling body front-back direction.

  According to the eighth aspect of the invention, it is easy to perform fertilization and medicine without supply leakage to the seedling planting site and seeding site, and fertilizer and chemicals can be supplied to the planted seedling and seed pod without leakage.

  In the ninth aspect of the present invention, the material supply device includes a fertilizer application material supply device that performs the fertilization operation, and a drug application material supply device that performs the drug application operation. The application location by the material supply apparatus for application and the application location by the material supply apparatus for fertilization are positioned in a direction along the longitudinal direction of the traveling machine body in a state of overlapping in a plan view.

  According to the ninth aspect of the present invention, both the fertilizer and the medicine overlap with the planted seedlings or seeds in a plan view, and both the fertilizer and the medicine are easily applied quickly.

It is a side view which shows the whole paddy field machine. It is a side view which shows the whole paddy field working part. It is a rear view which shows the fertilization operation part of a paddy field operation part. It is a rear view which shows the medicinal operation part of a paddy field operation part. It is a rear view which shows the sowing work part of a paddy field work part. It is a top view which shows the fertilizer part of a paddy field working part, a medicine application part, and a sowing part. It is a top view which shows arrangement | positioning of a grooving device, a spear delivery part, a chemical | medical agent delivery part, and a fertilizer delivery part. It is a side view which shows the drive mechanism for fertilization. It is a side view which shows the drive mechanism for medicine. It is a side view which shows a leveling body. (A) is explanatory drawing explaining the seeding | working operation | work by the paddy field operation | work part provided with 1st implementation structure, a medicine application, and a fertilization operation in the state of a longitudinal cross section, (b) was equipped with 1st implementation structure. It is explanatory drawing explaining the sowing work by the paddy field operation | work part, a medicine application work, and a fertilization work in the state of planar view. It is a side view which shows the whole paddy field working part provided with the 2nd implementation structure. (A) is explanatory drawing explaining the seeding | inoculation work by the paddy field operation part provided with the 2nd implementation structure, a medicine application, and a fertilization operation in the state of a longitudinal cross section, (b) was equipped with the 2nd implementation structure. It is explanatory drawing explaining the sowing work by the paddy field operation | work part, a medicine application work, and a fertilization work in the state of planar view. (A) is explanatory drawing explaining the seedling planting work by the paddy field operation part provided with the 3rd implementation structure, fertilization work, and a medicine application work in the state of a longitudinal section, and (b) is provided with the 3rd implementation structure. It is explanatory drawing explaining the seedling planting work by the paddy field working part, a medicine application work, and a fertilization work in the state of planar view. (A) is explanatory drawing explaining the seeding | inoculation work by the paddy field operation part provided with the 4th implementation structure, fertilization work, and a medicine application work in the state of a longitudinal section, (b) was equipped with the 4th implementation structure. It is explanatory drawing explaining the sowing work by the paddy field operation part, fertilization work, and a medicine application work in the state of planar view. (A) is explanatory drawing explaining the seeding | inoculation work by the paddy field operation part provided with the 5th implementation structure, fertilization work, and a medicine application work in the state of a longitudinal section, (b) was equipped with the 5th implementation structure. It is explanatory drawing explaining the sowing work by the paddy field operation part, fertilization work, and a medicine application work in the state of planar view. (A) is explanatory drawing explaining the sowing work by the paddy field operation part provided with another implementation structure, fertilization work, and a medicine application in the state of a longitudinal cross section, (b) is the paddy field work provided with another implementation structure It is explanatory drawing explaining the sowing operation | work by a part, fertilization operation | work, and a medicine application | work work in the state of planar view. It is a side view which shows the paddy field working part provided with another implementation structure.

Hereinafter, embodiments of a paddy field machine according to the present invention will be described with reference to the drawings.
[First Example]
〔overall structure〕
FIG. 1 is a side view showing an entire paddy field working machine according to the present invention. As shown in FIG. 1, in the paddy field machine according to the present invention, the front part of the body frame 10 is supported by a pair of left and right front wheels 11 and 11 that can be driven and steered, and the rear part is a pair of left and right driveable machines. A traveling machine body 1 supported by the rear wheels 12 and 12 and a paddy field working part A provided in the traveling machine body 1 in a state of being connected to the rear part of the vehicle body frame 10 via a link mechanism 16 are provided.

  The traveling machine body 1 includes a prime mover 13 at the front part of the body frame 10, and is driven by the driving force from the engine 14 provided in the prime mover 13 to drive the front wheels 11 and the rear wheels 12 to self-propel. It is configured to run. The traveling machine body 1 includes a boarding type driving unit equipped with a driving seat 15 provided at the rear part of the body frame 10 and is configured to be a riding type so as to board and drive the driving unit.

In the paddy field working unit A, the link mechanism 16 is swung up and down with respect to the vehicle body frame 10 by the hydraulic cylinder 17, so that the grounding float 5 for ground leveling touches the field mud, and the grounding float 5 Is raised and lowered to a non-working state in which it is raised from the field mud.
The paddy field work machine lowers the paddy field work part A to the lowered work state and causes the traveling machine body 1 to travel, so that the paddy field work part A performs the four-row seeding work and the fertilization work and the medicine for the seed seed c of each sowing line. The operation and the grooving operation between the sowing lines are performed, and the paddy field working part A is configured as follows.

[Paddy field working department]
The paddy field working unit A will be described. FIG. 2 is a side view showing the entire paddy field working section A. FIG. 3 is a rear view showing the fertilization work part of the paddy field work part A. FIG. 4 is a rear view showing the drug application work section of the paddy field work section A. FIG. 5 is a rear view showing the sowing work section of the paddy field working section A.

  As shown in FIG. 2, the paddy field work unit A includes a work frame 6 having a front end connected to a lower part of a rear link 16 a that vertically faces the machine body constituting the link mechanism 16. The work frame 6 is connected to the rear link 16a via a rolling fulcrum shaft 16b facing the front and rear of the machine body. Therefore, the paddy field working part A can roll with respect to the traveling machine body 1 around the rolling axis Z in the front-rear direction of the rolling fulcrum shaft 16b.

  As shown in FIGS. 2, 3, and 4, the work frame 6 includes a drive case 60 that is long in the horizontal direction of the work frame, the upper part of the front end being connected to the rear link 16 a by a rolling fulcrum shaft 16 b, and both sides of the drive case 60. A pair of left and right transmission cases 61 extending from the end portion toward the rear of the work frame are provided. The drive case 60 is disposed at the center of the drive case 60 in the left-right direction, and both the feed case 60A into which power from the engine 14 is input by the transmission shaft 18 (see FIG. 1) and the lower end side of the feed case 60A. A pair of left and right output shaft cases 60B and 60B extending laterally outward from the lateral side portion are provided.

  The paddy field working unit A includes a grounding float 5 that is provided below the work frame 6 and has a wide lateral width in the traveling machine body. The grounding float 5 is supported so that the front end side swings up and down around the swing fulcrum X provided at the rear end. The paddy field working part A is supported by the rear end of the work frame 6, and a center groove cut body 51 that forms a drainage groove in the field scene GL between the middle sowing lines among the three sowing lines, and the grounding float 5. And a pair of left and right side groove cut bodies 52 that form drainage grooves in the field scene GL between the left and right sowing lines among the three sowing lines.

  The paddy field working unit A includes four fertilizer application material supply devices 2 arranged in the lateral direction of the traveling machine body with a fertilizer tank 20 as a material tank positioned above the front part of the work frame 6, and the fertilizer tank 20. A state in which there are four drug supply material supply devices 3 arranged in the direction of the traveling machine body with a medicine delivery part 31 as a material delivery part located at the rear, and a basket tank 40 located behind the medicine delivery part 31 And 4 seeding supply devices 4 arranged in the transverse direction of the traveling machine body.

[Material supply equipment for fertilizer application]
The material supply apparatus 2 for fertilization is demonstrated.
As shown in FIGS. 2 and 3, the four fertilizer supply devices 2 are arranged in front of the traveling body rather than the four sowing supply devices 4. More specifically, the four fertilizing material supply devices 2 are arranged such that one fertilizing material supply device 2 is located on the front side of the traveling body of each of the four sowing supply devices 4. One seeding supply device 4 and one drug application material supply device 2 located in front of the traveling body of the supply device 4 form one supply device pair, and four fertilizer material supply devices 2 and 4. Four sowing feeding devices 4 form four feeding device pairs. As shown in FIG. 7, the positional relationship between the four fertilizer supply devices 2 and the four sowing supply devices 4 is provided in the fertilizer supply material device 2 in each of the four supply device pairs. The fertilizer supply part 21 as a material supply part is set to the positional relationship in the direction along the front-rear direction of the traveling machine body with respect to the straw supply part 41 provided in the sowing supply device 4 in a plan view.

  Each of the four fertilizer application material supply devices 2 includes a fertilizer tank 20 as a material tank, and a fertilizer supply unit as a material supply unit in which a supply case 21a is connected to a funnel 20a provided at the bottom of the fertilizer tank 20. 21, a fertilizer supply cylinder 23 that extends rearward and downward from the lower portion of the feeding case 21 a, and a groover 25 that communicates with the extended end of the fertilizer supply cylinder 23 via a bellows cylinder 24. Configured.

  The fertilizer tanks 20 of the two material supply devices 2 on the left side of the traveling machine body are integrally formed so that the interiors thereof communicate with each other, and are integrated into one tank. Similarly to the fertilizer tank 20 of the two material supply devices 2 on the left side of the traveling machine body, the fertilizer tank 20 of the two material supply devices 2 on the right side of the traveling machine body is integrally formed so as to communicate with each other. It has become. The fertilizer tank 20 and the feeding case 21a are supported by a front support frame 64 fixed to the work frame 6 via a pair of left and right support frames 63, 63.

  Each fertilizer feeding part 21 is provided with a feeding rotary body 21b provided inside the feeding case 21a so as to be freely driven and rotated. By the action of the feeding rotary body 21b, the fertilizer fed out by feeding the granular fertilizer a from the fertilizer tank 20. a is dropped and supplied to the fertilizer supply cylinder 23.

  As shown in FIGS. 6 and 7, the four groovers 25 are arranged on the grounding float 5 in an arrangement located one by one at the lateral front portion of the drop guide body 42 provided in each of the four seeding supply devices 4. I support it. Each of the four fertilizer application material feeders 2 has a grooving device 25 that forms a groove in the field in front of the drop guide body 42 of the seeding supply device 4 that forms a supply device pair with the material supply device 2. The fertilizer from the fertilizer supply cylinder 23 is dropped and supplied to the formed groove.

  Therefore, each of the four fertilizer application material supply devices 2 feeds the granular fertilizer a stored in the fertilizer tank 20 by the fertilizer feeding unit 21 and seeds the fed fertilizer with the material supply device 2 and the supply device pair. Is supplied to the groove of the agricultural field GL on the lateral side of the drop guide body 42 of the supply device 4.

Of the four fertilizer application material supply devices 2, the left lateral outer and right lateral outer material supply devices 2 are mud that is scraped by a covering 26 as a backfill member extending rearward from the grounded float 5. And the mud soil pushed out by the leveling body 55 as an outer leveling leveling member arranged behind the groove maker 25, and then backfilling the groove after supplying the fertilizer, and the upper surface of the backfilling site as the upper leveling leveling body The ground is leveled by leveling by 55.

In the two material supply devices 2 on the inner side among the four material supply devices 2 for fertilizer application, the groove after fertilizer supply is backfilled by mud pushed sideways by the center groove cut body 51 as a backfill member. It is.

  As shown in FIGS. 3 and 8, the feeding rotary body 21 b of the left two fertilizing material supply devices 2 is supported on the left one feeding drive shaft 27, and the right two fertilizing material feeding devices 2. The feeding rotary body 21b is supported on the one feeding drive shaft 27 on the right. By driving the drive mechanism 22 to each of the left and right feeding drive shafts 27, each fertilizer feeding unit 21 can be driven.

  The left and right drive mechanisms 22 include a crank body 22a that is rotatably provided integrally with an output shaft 62 that is rotatably provided on the output shaft case 60B, and an operation arm 22b that is attached to the feed drive shaft 27 via a one-way clutch 22d. And an interlocking rod 22c connected to the operation arm 22b and the crank body 22a. Therefore, the left and right drive mechanisms 22 convert the drive force of the output shaft 62 driven by the drive force input to the feed case 60A into reciprocating power by the crank body 22a and the interlocking rod 22c and transmit it to the operation arm 22b. Only one of the reciprocating swings of the operation arm 22b is transmitted to the feed drive shaft 27 via the one-way clutch 22d, thereby driving the feed rotating body 21b in the feed rotating direction.

  As shown in FIG. 8, the operation arm 22b is provided with a plurality of feed amount adjustment holes 22e. The feed amount adjusting hole 22e changes the swing angle of the operation arm 22b that is reciprocally swung by the interlocking rod 22c by changing the interlocking rod 22c, and the rotation of the feed rotating body 21b by the reciprocating swing of the interlocking rod 22c. Adjust the angle to change the feed amount.

[Material supply equipment for medication]
The material supply apparatus 3 for medication will be described.
The four drug supply material supply devices 3 are arranged on the front side of the traveling machine body than the four seeding supply devices 4. Specifically, the four drug supply material supply devices 3 are arranged such that one drug supply material supply device 3 is located on the front side of the traveling machine body of each of the four seeding supply devices 4. One seeding supply device 4 and one medicine supply material supply device 3 located in front of the traveling body of the supply device 4 form one supply device pair, and four medicine supply material devices 3 and 4 are provided. Four sowing feeding devices 4 form four feeding device pairs. As shown in FIG. 7, the positional relationship between the four drug supply material supply devices 3 and the four seeding supply devices 4 is provided in the drug supply material supply device 3 in each of the four supply device pairs. The medicine feeding unit 31 as the material feeding unit is set in a positional relationship in a plan view in the direction along the longitudinal direction of the traveling machine body with respect to the wrinkle feeding unit 41 provided in the seeding supply device 4 in plan view.

  As shown in FIGS. 2, 4, and 6, each of the four drug supply material supply devices 3 includes a chemical tank 30 as a material tank provided in the fertilizer tank 20, and the traveling machine body rear side from the fertilizer tank 20. The medicine delivery part 31 as a material delivery part in which the delivery case 31b is connected via the relay cylinder 31a to the delivery cylinder 30a of the medicine tank 30 protruding in the direction, and the supply path extending downward from the lower part of the delivery case 31b 33.

  The drug tanks 30 of the two material supply devices 2 on the left side of the traveling machine body are integrally formed in a state where the interiors communicate with each other, and are integrated into one tank. Similarly to the two drug tanks 30 on the left side of the traveling machine body, the drug tanks 30 of the two material supply devices 2 on the right side of the traveling machine body are integrally formed so as to communicate with each other.

  The four drug delivery parts 31 are supported by a support frame 67 extending forward from the rear support frame 66. Each medicine delivery section 31 includes a delivery rotator 31c that is rotatably provided inside the delivery case 31b. The action of the delivery rotator 31c delivers the medicine b from the medicine tank 30, and delivers the delivered medicine b. Dropped into the supply path 33 and supplied.

  The supply path 33 includes an upper drop guide tube 33a whose upper end is connected to the lower portion of the feeding case 31b, a lower drop guide tube 33b whose upper end is connected to the lower end of the upper drop guide tube 33a, A groove forming device 37 communicated with the lower end portion of the lower drop guide tube 33b through a bellows tube 36 is provided.

  As shown in FIG. 6, the groove forming devices 37 of the four drug supply material supply devices 3 are located in front of or near the drop guide bodies 42 of the four seeding supply devices 4 in a plan view. Are supported one by one on the grounding float 5. The groover 37 of each of the four drug supply material supply devices 3 forms a groove in the field scene GL on the front side of the drop guide body 42 of the seeding supply device 4 that forms a supply device pair with the material supply device 3. In addition, the medicine b from the drop guide tube 33b is dropped and supplied to the formed groove.

  In the material supply device 3 on the left lateral outer side and the right lateral outer side among the four drug supply material supply devices 3, the mud pushed out by the outer leveling body 55 and the mud pushed out laterally by the side groove cutting body 52. In this way, the groove after the medicine supply is refilled. The upper part of the backfilling portion is configured to be leveled by scraping and leveling by the ground leveling body 55 arranged outside so that the seed soot c does not easily roll even if the seed soot c is supplied.

  In the two material supply devices 3 on the inner side among the four drug supply material supply devices 3, the groove after the chemical supply is refilled by the mud soil scraped by the covering body 26 extending rearward from the grounded float 5. It is configured. The upper part of the backfilling portion is configured so as to be leveled by leveling by a ground leveling body 55 located at the rear of the grooving device 37 so that the seed soot c does not easily roll even if the seed soot c is supplied. It is.

  Accordingly, each of the four drug supply material supply devices 3 feeds the drug b stored in the drug tank 30 by the drug feeding unit 31, and seeds the fed drug b with the material supply device 3 as a pair of supply devices. In the place immediately before or near the drop guide body 42 of the supply device 4 for supply, the supply is made to the groove of the field scene GL, and the groove after the medicine is supplied is refilled.

  As shown in FIGS. 4 and 9, the feeding rotary body 31 c of the left two feeding material supply devices 3 is supported on the left feeding drive shaft 34, and the right two feeding material supply devices 3 are provided. The feeding rotary body 31c is supported on the one feeding drive shaft 34 on the right. Each drug delivery part 31 can be driven by interlocking the drive mechanism 32 with the left and right delivery drive shafts 34.

  The left and right drive mechanisms 32 are connected to the relay link 32a linked to the crank body 22a via the linkage rod 22c, the relay swing link 32d linked to the relay link 32a via the linkage rod 32b, and the feeding drive shaft 34. A pair of operating arms 32f, 32f mounted via a pair of one-way clutches 32g, 32g, an interlocking rod 32e connected to one operating arm 32f and the relay swing link 32d, and the other operating arm 32f to the relay An interlocking rod 32e connected to the swing link 32d is provided. The relay swing link 32d is swingably supported by the support frame 67 via a fulcrum shaft 32c.

  Therefore, the left and right drive mechanisms 32 convert the drive force of the output shaft 62 driven by the drive force input to the feed case 60A into reciprocating power by the crank body 22a, the relay link 32a, and the interlocking rod 32b, thereby relaying the relay. Is transmitted to the moving link 32d, and one of the reciprocating swings of the relay swing link 32d is transmitted to the feeding drive shaft 34 via the one interlocking rod 32e, the operation arm 32f, and the one-way clutch 32g. Then, the other swing of the reciprocating swing of the relay swing link 32d is transmitted to the feeding drive shaft 34 via the other interlocking rod 32e, the operation arm 32f, and the other one-way clutch 32g, and the relay swing is performed. The feeding rotary body 31c is driven in the feeding rotation direction by any swinging of the reciprocating swinging of the link 32d.

  A plurality of feed amount adjustment holes 32h are provided in the pair of operation arms 32f and 32f, and a long hole shape feed amount adjustment hole 32j is provided in the relay swing link 32d. The feed amount adjusting hole 32h of the operation arm 32f changes the swing angle of the operation arm 32f that is swung by the interlocking rod 32e by changing the interlocking rod 32e. The feed amount is changed by increasing or decreasing the rotation angle. The feed amount adjustment hole 32j of the relay swing link 32d changes the connection position of the interlock rod 32b in the relay swing link 32d, and changes the swing angle of the relay swing link 32d that is reciprocally swinged by the interlock rod 32b. Then, the amount of feeding is changed by adjusting the rotation angle of the feeding rotating body 31c by one reciprocation of the interlocking rod 32b.

[Supplying device for sowing]
The sowing supply device 4 will be described.
As shown in FIGS. 2 and 5, each of the four seeding supply devices 4 includes a straw tank 40, and a straw case 40 a provided at the bottom of the straw tank 40 with a feeding case 41 a connected to the upper end. The feeding portion 41 and a drop guide body 42 having an upper end connected to the lower end of the feeding case 41a are provided.

  The dredging tank 40 of the two supply devices 4 on the left side of the traveling machine body is integrally formed in a state where the inside communicates with each other, and is an integral tank. As with the dredging tank 40 of the two supply devices 4 on the left side of the traveling machine body, the dredging tank 40 of the two supply devices 4 on the right side of the traveling machine body is integrally formed so that the inside communicates with each other. ing. The dredge tank 40 and the feeding case 41a are supported by a rear support frame 66 fixed to the work frame 6 via a support frame 65.

  Each dredging part 41 is provided with a feeding rotary body 41b that is rotatably provided inside a feeding case 41a. By the action of the feeding rotary body 41b, the soot tank c of the soot tank 40 is given a predetermined amount at a predetermined feeding interval. The seeds c that are fed out one by one are dropped into the inside of the drop guide body 42.

  Accordingly, each of the four seeding supply devices 4 feeds seed potato c stored in the potato tank 40 by a set amount by the cocoon feeding portion 41 at a predetermined feeding interval, The material is supplied by being dropped from the drop guide body 42 onto the groove filled after the medicine is supplied by the drug supply material supply device 3 forming the supply device pair.

  As shown in FIG. 5, the gear driving mechanism 45 interlocks the feeding drive shaft 43 provided in each of the two left hook feeding portions 41 and the output shaft 44 provided in the rear end portion of the left transmission case 61, The gear driving mechanism 45 interlocks the feeding drive shaft 43 provided at each of the two right rod feeding portions 41 and the output shaft 44 provided at the rear end portion of the right transmission case 61, thereby providing four rod feeding portions. 41 can be driven. That is, the driving force of the output shaft 44 that is transmitted from the feed case 60A through the output shaft case 60B and the transmission case 61 to be driven is transmitted to the feeding drive shaft 43 by the gear interlocking mechanism 45 to drive the feeding drive shaft 43. By doing so, the feeding rotary body 41b of each basket feeding portion 41 is rotationally driven in the feeding rotation direction.

  Accordingly, the paddy field working unit A includes four seeding supply devices 4, four fertilizer material supply devices 2, and four drug application material supply devices 3, and FIGS. ) Seeding work, fertilization work and drug application work as shown in).

  That is, by the four seeding supply devices 4, the sowing locations M are scattered on the four sowing strips in a direction along the front-rear direction of the traveling machine body with a predetermined sowing interval, and each sowing location M has a predetermined amount. A seeding operation for supplying seed pod c is performed.

  Due to the four material supply devices 3 for medicine application, the traveling place body in such a manner that the medicine application location K by each material supply device 3 overlaps the seeding location M by the supply device 4 forming a supply device pair with the material supply device 3 in plan view. 1 is continuously located in a direction along the front-rear direction, and a medicine operation for supplying a predetermined amount of medicine b to the medicine location K is performed. Specifically, each of the four drug supply material supply devices 3 is in the mud immediately below the sowing site M by the supply device 4 that forms a pair of the material supply device 3 and the supply device 4. In the mud located at a predetermined interval D, the drug application location K is continuously located in the direction along the longitudinal direction of the traveling machine body, and a drug application operation for supplying a predetermined amount of the drug b to the drug application location K is performed.

  From the four material supply devices 2 for fertilization, the fertilization location H by each material supply device 2 is in the mud on the lateral side of the sowing location M by the supply device 4 for sowing that makes a pair with the material supply device 2 And the fertilization work which supplies the predetermined amount of the fertilizer a to this fertilization location H is located in the mud soil of the same or substantially the same depth as the treatment location K by the material supply device 3 continuously in the longitudinal direction of the traveling machine body. Do.

  In the first embodiment described above, the example is shown in which the medicine feeding part 31 and the koji feeding part 41 among the fertilizer feeding part 21, the medicine feeding part 31, and the koji feeding part 41 are located on the same line in plan view. The fertilizer feeding unit 21, the medicine feeding unit 31, and the cocoon feeding unit 41 may be configured to be positioned on the same line in plan view.

[Leveling body]
As shown in FIGS. 6 and 10, the leveling body 55 is constituted by a rubber plate. The leveling body 55 is arranged in a posture inclined with respect to the longitudinal direction of the traveling machine body in a plan view, making the mud to be scraped difficult to flow forward and easy to flow backward. The leveling body 55 is supported by fastening with a connecting screw 57 at the lower end portion of the attachment member 56 supported by the front portion of the drop guide body 42. The mounting member 56 may be implemented by being supported by the work frame 6. The ground leveling body 55 may be formed in a rake shape in which a slit is provided in the grounding portion on the lower end side. The leveling body 55 may be made of a metal member such as a stainless steel plate.

  A screw hole 58 for mounting the connection screw 57 of the leveling body 55 is formed in a shape that is long in the vertical direction of the machine body. The mounting height of the leveling body 55 can be adjusted by sliding the leveling body 55 with respect to the mounting member 56 by the action of the long hole shape of the screw hole 58. Instead of making the screw hole 58 of the leveling body 55 into a long hole shape, the mounting height of the leveling body 55 may be adjusted by forming the screw hole of the mounting member 56 into a long hole shape.

[Second Embodiment]
FIG. 12 is a side view showing the entirety of the paddy field working unit A having the second embodiment structure. As shown in FIG. 12, in the paddy field working unit A having the second embodiment structure, the groovers 25 of the four fertilizer application material supply devices 2 are seeded so as to form a supply device pair with the material supply device 2. The supply path 33 of the material supply device 3 for application of the fertilizer supply tube 23 of the material supply device 2 for fertilization There is communication on the way.

  Therefore, the fertilizer application material supply apparatus 2 joins the fertilizer a from the fertilizer supply part 21 as a material supply part and the chemical | medical agent b from the chemical | medical agent supply part 31 as a material supply part of the material supply apparatus 3 for medicine application. The fertilizer a and the medicine b that have been combined are supplied to the groove formed in the field scene GL by the grooving device 25 in front of the drop guide body 42 of the feeding device 4 for sowing, and the fertilizer a and the medicine b are supplied. The groove thus formed is backfilled by the covering body 26 extending from the grounding float 5.

Accordingly, the paddy field working unit A having the second implementation structure performs the sowing work, fertilization work, and drug application work as shown in FIGS. 13 (a) and 13 (b).
That is, by the feeding device 4 for seeding, the seeding places M are scattered in a predetermined seeding line in a direction along the front-rear direction of the traveling machine body with a predetermined seeding interval, and a predetermined amount of seed potato c is applied to each seeding spot M. The seeding operation to be supplied is performed.
By the material supply device 2 for fertilization and the material supply device 3 for drug application, the fertilization site H and the drug application site K are along the front-rear direction of the traveling machine body 1 in a state of overlapping the sowing site M by the supply device 4 in plan view. A fertilizing operation and a applying operation for supplying a predetermined amount of the fertilizer a and the medicine b to the fertilizing site H and the applying site K are performed continuously in the direction. The fertilization work and the medicine application work are in the mud immediately below the sowing place M by the supply device 4, and the fertilization place H and the prescription place K are located in the mud located at a predetermined interval D with respect to the sowing place M. It is located continuously in a direction along the longitudinal direction of the traveling machine body, and is a fertilization operation and a drug application operation for supplying a predetermined amount of fertilizer a and drug b to the fertilization site H and the drug application site K. In this case, it is preferable that the fertilizer feeding unit 21, the drug feeding unit 31, and the cocoon feeding unit 41 are configured to be located on the same line in the front-rear direction of the traveling machine body in a plan view.

[Third embodiment]
Fig.14 (a) is explanatory drawing explaining the seedling planting work by the paddy field operation part A provided with the 3rd implementation structure, a fertilization work, and a medicine application work in the state of a longitudinal cross-sectional view. FIG.14 (b) is explanatory drawing explaining the seedling planting work by the paddy field operation part A provided with the 3rd implementation structure, a fertilization work, and a medicine application work in the state of planar view.

  The paddy field working unit A having the third implementation structure includes a supply device 71 having a planting claw 70 and a fertilizer application material supply device having the same configuration as the fertilizer application material supply device 2 of the first embodiment. 2 and a drug supply material supply device 3 having the same configuration as the drug supply material supply device 3 of the first embodiment.

  The feeding device 71 is driven so that the tip of the planting claw 70 reciprocates while drawing a turning trajectory in the vertical direction of the traveling machine body, and the planting claw 70 takes out a seedling from a seedling stand (not shown). Then, the extracted seedling is lowered and conveyed to the field and planted, and thereafter, the seedling is moved up and moved back to the seedling stage.

  In the medicine supply material supply device 3, the medicine feeding section 31 as a material feeding section is arranged in a direction along the traveling body front-rear direction with respect to the planting claws 70 in front of the traveling claws 70 in a plan view. It is deployed as follows. The groove forming device 37 of the material supply device 3 for drug administration is located at a position immediately before the planting claw 70 or a position substantially equal to the planting claw 70 in a plan view.

Therefore, the paddy field working unit A having the third implementation structure performs seedling planting work, fertilization work, and drug application work as shown in FIGS. 14 (a) and 14 (b).
That is, by the supply device 71, seedling planting points N are scattered on a predetermined planting line in a direction along the front-rear direction of the traveling machine with a predetermined planting interval, and each seedling planting site N has a predetermined size. The seedling planting work for planting the rice seedling d is performed.

  By the material supply device 3 for medicine application, the medicine administration location K is continuously located in the direction along the front-rear direction of the traveling machine body 1 in a state of overlapping the seedling planting location N by the supply device 71 in a plan view. A medicine operation for supplying a predetermined amount of medicine b to K is performed. More specifically, the material supply device 3 for drug application is in the mud immediately below the seedling planting place N by the supply device 71 and is applied to the mud located at a predetermined interval D with respect to the seedling planting site N. The place K is continuously located in a direction along the longitudinal direction of the traveling machine body, and a medicine operation for supplying a predetermined amount of the medicine b to the medicine place K is performed.

  By the material supply device 2 for fertilization, the fertilization site H is placed in the mud on the lateral side of the seedling planting location N by the supply device 71 and in the mud having the same or substantially the same depth as the drug application location K by the material supply device 3. Is continuously located in the longitudinal direction of the traveling machine body, and a fertilization operation for supplying a predetermined amount of fertilizer a to the fertilization site H is performed.

[Fourth embodiment]
Fig.15 (a) is explanatory drawing explaining the seeding work of the paddy field operation part A provided with the 4th implementation structure, fertilization work, and a medicine application work in the state of a longitudinal cross-sectional view. FIG.15 (b) is explanatory drawing explaining the seeding | inoculation work of the paddy field operation part A provided with the 4th implementation structure, fertilization work, and a medicine application work in the state of planar view.

  The paddy field working unit A having the fourth embodiment structure configures the fertilizer supply material device 2 so that the fertilizer a is supplied intermittently by the grooving device 25, and the drug application material supply device 3. Is configured so that the medicine b is supplied intermittently by the grooving device 37, and the grooving device 25 of the material supply device 2 for fertilization is placed on the lateral side of the drop guide body 42 of the feeding device 4 for sowing. The groove forming device 35 of the material supply device 3 for applying medicine is provided at a location immediately before the drop guide body 42 of the supply device 4 for seeding or a location approximately equal to this.

  Accordingly, in the paddy field working unit A provided with the fourth embodiment structure, the fertilization site H is scattered in the direction along the longitudinal direction of the traveling machine body on the lateral side of the sowing site M, and a predetermined amount of fertilizer a is applied to each fertilization site H. Fertilization work to supply. The paddy field working unit A having the fourth separate implementation structure is dotted with the prescription direction K along the front and rear direction of the traveling machine body in a state where the prescription place K overlaps with the sowing place M in plan view, and a predetermined amount of medicine is placed in each prescription place K The medicine operation for supplying b is performed. More specifically, the drug application operation is a drug application operation in which the drug application location K is located immediately below the seeding location M at a predetermined interval.

[Fifth embodiment]
Fig.16 (a) is explanatory drawing explaining the seeding work of the paddy field working part A provided with the 5th implementation structure, fertilization work, and a medicine application work in the state of a longitudinal cross section. FIG.16 (b) is explanatory drawing explaining the seeding | inoculation work of the paddy field working part A provided with the 5th implementation structure, fertilization work, and a medicine application work in the state of planar view.

  The paddy field working unit A having the fifth implementation structure is configured so that the fertilizer supply material device 2 is intermittently supplied with the fertilizer a by the grooving device 25, and the drug application material supply device 3. Is configured such that the supply of the drug b by the groove generator 37 is intermittently performed, and the supply position of the fertilizer a by the groove generator 25 and the supply position of the drug b by the groove generator 37 are the same or substantially the same. It is comprised so that it may become the same. The groove forming devices 25 and 37 of the fertilizer application material supply device 2 and the drug application material supply device 3 are arranged immediately before the drop guide body 42 of the seeding supply device 4 or at a location substantially equal thereto.

  Accordingly, the paddy field working unit A having the fifth embodiment structure is dotted in the direction along the longitudinal direction of the traveling machine body with the fertilization site H and the administration site K overlapping the sowing site M in plan view, and each fertilization site H A fertilization operation for supplying a predetermined amount of fertilizer a and a prescription operation for supplying a predetermined amount of drug b to each of the drug application locations K are performed. More specifically, the fertilization work is a fertilization work in which the fertilization site H is positioned at a predetermined interval immediately below the sowing site M, and the medicinal operation is positioned at a predetermined interval immediately below the sowing site M. It becomes the medicine application work. In this case, it is preferable that the fertilizer feeding unit 21, the drug feeding unit 31, and the cocoon feeding unit 41 are configured to be located on the same line in the front-rear direction of the traveling machine body in a plan view. Moreover, in order to make the fertilization location H and the medication location K the same or substantially the same, the fertilizer a and the medicine b may be combined and supplied.

[Another Example]
(1) In the first embodiment described above, an example is shown in which the medicine b is supplied to a place spaced apart from the seed pod c immediately below the seed pod c. However, FIGS. 17 (a) and 17 (b) show the example. As shown, the medicine b may be supplied to the place where it comes into contact with the seed potato c.

(2) In the above-described third embodiment, an example is shown in which the drug application location K performs a continuous drug application operation. It may be configured and implemented.

(3) In the above-described third embodiment, an example is shown in which the fertilization site H is configured to perform fertilization work that is located on the lateral side of the seedling planting location N. It may be configured to perform the fertilization work overlapping with.

(4) In the above-described embodiment, an example in which the covering body 26 is supported by the grounding float 5 is shown. However, as shown in FIG.

(5) In the above-described embodiment, the example in which the chemical tank 30 as the material tank for drug application is provided inside the fertilizer tank 20 as the material tank for fertilization is shown. You may implement. Moreover, you may comprise and implement in the external tank which is not equipped in any of the fertilizer tank 20 and the dredging tank 40.

  The present invention relates to a paddy field work machine that enables seeding work and seedling work of five or more seeding and five or more seeding in addition to a paddy field working machine that enables seeding work of four and sowing seedlings. Is also available. It can also be used for paddy field machines that allow seeding work and seedling planting work with fewer lines than four-row seeding or four-row seeding.

1 Traveling machine body 2 Material supply device (for fertilizer application)
3 Material supply device (for drug administration)
4 Feeder (for sowing)
20 Material tank (fertilizer tank)
21 Material supply part (fertilizer supply part)
26,51 Backfill member 30 Material tank (chemical tank)
31 Material delivery department (drug delivery department)
40 dredging tank 41 dredging part
55 Leveling member 70 Planting claw 71 Feeding device (for seedling planting)
D Predetermined interval H Fertilization location K Treatment location M Sowing location N Seedling location

Claims (9)

A seedling planting operation for planting seedlings in the field with planting claws, or a seeding plant that feeds seed pods from the cocoon tank by the cocoon feeding unit, and a seeding operation for feeding the fed seed potatoes to the field, and a fertilizer or drug by the material feeding unit A traveling machine body is provided with a material supply device that performs a fertilization work that feeds out the fertilizer that has been fed out from the tank and supplies the fed fertilizer to the field, or a medicine application work that supplies the fed chemical to the field,
The seedling planting or seeding site by the supply device and the fertilization site or the drug application site by the material supply device are configured to be positioned in a direction along the front-rear direction of the traveling machine body in a state of overlapping in plan view,
The material feeding portion is, in plan view, so as to be aligned in a direction along the vehicle body longitudinal direction with respect to the planting claw or the rough rice and feeding unit, Ri tare deploy the material supply device,
The material supply device is configured to supply the fertilizer or the drug to a groove formed in a field scene by a grooving device at the fertilizer application site or the drug application site,
A backfilling member for backfilling mud in the groove formed by the groove producing device;
A paddy field machine provided with a leveling member for leveling the mud backfilled by the backfilling member, located on the rear side of the grooving device .   The paddy field machine according to claim 1, wherein a fertilization site or a medicine application site by the material supply device is located immediately below a seedling planting site or a seeding site by the supply device.   The paddy field machine according to claim 2, wherein a fertilization site or a drug application site by the material supply device is located at a predetermined interval with respect to a seedling planting site or a seeding site by the supply device.   The paddy field work machine according to any one of claims 1 to 3, wherein the material supply device is arranged in front of the traveling machine body relative to the supply device.   The paddy field work machine according to any one of claims 1 to 4, wherein the seeding locations by the supply device are scattered in a direction along the longitudinal direction of the traveling machine body. The sowing location by the supply device and the fertilization location by the material supply device overlap in plan view,
The paddy field machine according to claim 5, wherein fertilization places by the material supply device are scattered in a direction along the longitudinal direction of the traveling machine body. The seeding location by the supply device and the drug application location by the material supply device overlap in plan view,
The paddy field work machine according to claim 5, wherein the drug application places by the material supply device are scattered in a direction along the longitudinal direction of the traveling machine body.   The paddy field work machine according to any one of claims 1 to 5, wherein a fertilization site or a drug application site by the material supply device is continuous in a direction along the longitudinal direction of the traveling machine body. As the material supply device, comprising a material supply device for fertilization that performs the fertilization work, and a material supply device for drug application that performs the drug application work,
The seedling planting or seeding site by the supply device, the application site by the material supply device for drug application, and the fertilization site by the material supply device for fertilization are along the longitudinal direction of the traveling machine body in a state of overlapping in plan view. The paddy field work machine according to any one of claims 1 to 8, wherein the paddy field work machine is configured to be positioned in a direction.

Images