CN221127846U - Rotary cultivator cutter shaft side transmission mechanism - Google Patents
Rotary cultivator cutter shaft side transmission mechanism Download PDFInfo
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- CN221127846U CN221127846U CN202323289599.9U CN202323289599U CN221127846U CN 221127846 U CN221127846 U CN 221127846U CN 202323289599 U CN202323289599 U CN 202323289599U CN 221127846 U CN221127846 U CN 221127846U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 150
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000003971 tillage Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005461 lubrication Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model discloses a side transmission mechanism of a rotary cultivator cutter shaft, which comprises a main transmission box arranged in the middle of the top surface of a rotary cultivator suspension, wherein a side transmission box and a side plate are respectively arranged on the left side and the right side of the main transmission box, and the left side and the right side of the side transmission box are fixedly connected with the side transmission box and the side plate through a left support arm cylinder and a right support arm cylinder respectively; a transmission main shaft is arranged between the side transmission case and the power output end of the main transmission case, and a cutter shaft is arranged between the side transmission case and the side plate and at the lower end of the side transmission case; a driving gear and a gear set meshed with the driving gear are sequentially arranged in the side transmission box from top to bottom, the driving gear is in spline fit on a gear shaft, one end of the transmission main shaft is fixedly connected with the gear shaft, and the other end of the transmission main shaft is fixedly connected with a power output shaft of the main transmission box; one end of the tillage cutter shaft is in spline connection with a gear at the middle lower end of the gear set, and the other end of the tillage cutter shaft is in rotatable connection with the side plate.
Description
Technical Field
The utility model relates to the field of agricultural machinery, in particular to a side transmission mechanism of a rotary cultivator cutter shaft.
Background
The rotary cultivator is a cultivator matched with a tractor to complete the tillage and harrowing operation. The soil-crushing machine has the characteristics of strong soil-crushing capability, flat ground surface after tillage and the like, so that the soil-crushing machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, so that the operation of the seeder is facilitated, and a good seed bed is provided for later seeding.
Currently, rotary tillers include side drive rotary tillers and mid drive rotary tillers. Wherein, the middle of the middle transmission rotary cultivator is provided with a cutter shaft rotating device, and the cutter shafts at the left side and the right side are driven to rotate by a middle transmission mechanism. The transmission mechanism occupies a certain space, so that no tillage knife is arranged at the soil corresponding to the middle transmission mechanism during tillage, and no tillage phenomenon occurs. The transmission mechanism in the side transmission rotary cultivator is arranged on one side of the plough shaft, the phenomenon of missing tillage during tillage can be effectively solved, and the rotary cultivator comprises a coulter speed changing gear box, a left coulter transmission box, a right side plate and a coulter shaft, wherein the coulter transmission chain wheel is arranged on the left side of the coulter shaft, the coulter speed changing gear box comprises a driving gear shaft and a power driving chain wheel sleeved on the driving gear shaft, and the power driving chain wheel is connected with the coulter transmission chain wheel through a chain. The side transmission mechanism of the rotary cultivator adopts a chain wheel structure to transmit power to the position of a coulter shaft (namely a coulter shaft), and transmits power to the chain wheel mechanism through a driving gear in a speed change gear box.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a rotary cultivator cutter shaft side transmission mechanism, which solves the problems of high cost, poor transmission stability and large vibration caused by chain transmission adopted by the side transmission mechanism of the existing rotary cultivator.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The side transmission mechanism of the rotary cultivator cutter shaft comprises a main transmission box arranged in the middle of the top surface of a rotary cultivator suspension, wherein a side transmission box and a side plate are respectively arranged on the left side and the right side of the main transmission box, and the left side and the right side of the side transmission box are fixedly connected with the side transmission box and the side plate through a left support arm cylinder and a right support arm cylinder respectively; a transmission main shaft is arranged between the side transmission case and the power output end of the main transmission case, and a cutter shaft is arranged between the side transmission case and the side plate and at the lower end of the side transmission case; a driving bevel gear and a driven bevel gear are arranged in the main transmission case, and the driven bevel gear is sleeved on a power output shaft of the main transmission case and is in spline fit with the power output shaft; the driving bevel gear is meshed with the driven bevel gear and is obliquely arranged; a driving gear and a gear set meshed with the driving gear are sequentially arranged in the side transmission box from top to bottom, the driving gear is in spline fit on a gear shaft, one end of the transmission main shaft is fixedly connected with the gear shaft, and the other end of the transmission main shaft is fixedly connected with a power output shaft of the main transmission box; one end of the tillage cutter shaft is in spline connection with a gear at the middle lower end of the gear set, and the other end of the tillage cutter shaft is in rotatable connection with the side plate. Therefore, the main transmission box is internally provided with the bevel gear to transmit power to the transmission main shaft, the transmission main shaft is finally internally provided with the plurality of gears to transmit power to the side transmission box, and finally the power output gear below the gear mechanism is used for outputting power to the cutter shaft, so that the whole power transmission is transmitted by the gears, the stability is good, the cost is low, the service life is long, and the generated noise and vibration are relatively small. After the driving bevel gear and the driven bevel gear in the main transmission case are meshed, the power can be reversed. After the support arm cylinder is fixed between the side transmission case and the main transmission case and between the main transmission case and the side plate, a stable support can be formed, and the transmission shaft is sealed inside.
Furthermore, the side transmission case is assembled by a left case body and a right case body, and a gear assembly space communicated up and down is arranged in the side transmission case; the gear assembly space is internally provided with a plurality of installation shafts for assembling gears in the gear set at intervals, the installation shafts are transversely arranged, and bearings are sleeved at the left end and the right end of each installation shaft and the gear shaft. Therefore, the box body of the side transmission box is split, gears can be conveniently installed, and after the side transmission box is opened after long-term use, the gears and the driving gears in the gear set are replaced or maintained. The mounting shaft and the bearing can support the gear, and the gear is ensured not to displace after the gear rotates at a high speed.
Further, a lubricating oil hole communicated with the gear assembly space is arranged at the top of the side transmission case, and a plugging block matched with the lubricating oil hole is arranged on the lubricating oil hole. Therefore, the lubricating oil hole can be convenient for adding lubricating oil into the side transmission case, so that the lubrication of each gear and each bearing in the side transmission case is realized, and the gear is effectively ensured to have longer service life.
Further, an assembly port is arranged at the position corresponding to the side transmission case and the transmission main shaft and the position corresponding to the tilling cutter shaft of the side transmission case, a sealing block tightly matched with the assembly port is arranged at each assembly port, the sealing block positioned at the upper side is sleeved on the transmission main shaft, and the sealing block positioned at the lower side is sleeved on the tilling cutter shaft. Therefore, the sealing block can seal the opposite side transmission box corresponding to the transmission main shaft and the insertion side of the tilling blade shaft, and external impurities are prevented from entering the box body.
Further, the lower sides of the outer walls of the left support arm cylinder and the right support arm cylinder are respectively provided with a fixed support lug, and the two fixed support lugs are respectively positioned at the left side and the right side of the main transmission case and are used for being fixedly connected with the suspension frame of the mini-tiller. Like this, the fixed journal stirrup that sets up can paste with the suspension frame of rotary cultivator to carry out fixed connection through the fastener, provide the support to whole drive mechanism through the suspension frame.
Further, the transmission main shaft is connected with the gear shaft and the power output shaft of the main transmission case through a coupler. Therefore, the transmission main shaft, the gear shaft and the power output shaft are firmly connected, and the joint is positioned in the left support arm barrel.
Drawings
FIG. 1 is a schematic perspective view of a side drive mechanism for a cultivator cutter shaft of an embodiment;
FIG. 2 is a top view of a side drive mechanism for a tiller shaft of an embodiment of a rotary cultivator;
FIG. 3 is a schematic view of a partial enlarged cross-sectional structure of B-B in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the side transmission mechanism of the rotary cultivator cutter shaft 14 provided by the embodiment comprises a main transmission case 1 arranged in the middle of the top surface of a rotary cultivator suspension, wherein a side transmission case 4 and a side plate 5 are respectively arranged at the left side and the right side of the main transmission case 1, and the left side and the right side of the side transmission case 4 are respectively fixedly connected with the side transmission case 4 and the side plate 5 through a left support arm barrel 2 and a right support arm barrel 3; a transmission main shaft 9 is arranged between the side transmission case 4 and the power output end of the main transmission case 1, and a cutter shaft 14 is arranged between the side transmission case 4 and the side plate 5 and at the lower end of the side transmission case 4; a driving bevel gear 6 and a driven bevel gear 7 are arranged in the main transmission case 1, and the driven bevel gear 7 is sleeved on a power output shaft 8 of the main transmission case 1 and is in spline fit with the power output shaft 8; the driving bevel gear 6 is meshed with the driven bevel gear 7 and is obliquely arranged; a driving gear 12 and a gear set 13 meshed with the driving gear 12 are sequentially arranged in the side transmission case 4 from top to bottom, the driving gear 12 is in spline fit on a gear shaft 10, one end of the transmission main shaft 9 is fixedly connected with the gear shaft 10, and the other end is fixedly connected with the power output shaft 8 of the main transmission case 1; one end of the tillage cutter shaft 14 is in spline connection with a gear at the middle lower end of the gear set 13, and the other end of the tillage cutter shaft is in rotatable connection with the side plate 5. In this way, the main transmission case 1 is internally provided with the bevel gear to transmit power to the transmission main shaft 9, and finally the transmission main shaft 9 is internally provided with a plurality of gears to transmit power to the side transmission case 4, and finally the power output gear below the gear mechanism is used for outputting power to the tillage cutter shaft 14, so that the whole power transmission is transmitted by the gears, the stability is good, the cost is low, the service life is long, and the generated noise and vibration are relatively small. After the driving bevel gear 6 and the driven bevel gear 7 in the main transmission case 1 are meshed, the power can be reversed. After the support arm cylinder is fixed between the side transmission case 4 and the main transmission case 1 and between the main transmission case 1 and the side plate 5, a stable support can be formed, and the transmission shaft is sealed inside.
The gear set 13 in this embodiment includes a first driven gear, a second driven gear, and a power take-off gear, the first driven gear being meshed with the second driven gear and the driving gear 12, and the second driven gear being meshed with the first driven gear and the power take-off gear.
Further, the side transmission case 4 is assembled by a left case body and a right case body, and a gear assembly space communicated up and down is arranged in the side transmission case 4; a plurality of mounting shafts 11 for assembling all gears in the gear set 13 are arranged in the gear assembly space at intervals, the mounting shafts 11 are transversely arranged, bearings are sleeved at the left end and the right end of each mounting shaft 11 and the gear shaft 10, and the mounting shaft 11 at the lowest end is connected with the tillage cutter shaft 14 through a coupler spline. Thus, the box body of the side transmission box 4 is split, gears can be conveniently installed, and after the side transmission box is opened after long-term use, the gears in the gear set 13 and the driving gear 12 are replaced or maintained. The mounting shaft 11 and the bearing can support the gear, and ensure that the gear cannot displace after the gear rotates at a high speed.
Further, a lubrication hole 41 communicating with the gear assembly space is provided at the top of the side transmission case 4, and a blocking block is provided on the lubrication hole 41 to be matched therewith. In this way, the lubrication oil hole 41 is provided to facilitate the addition of lubrication oil into the side transmission case 4, so as to lubricate the gears and bearings in the side transmission case 4, effectively ensuring a long service life of the gears.
Further, an assembly port is arranged at the position corresponding to the transmission main shaft 9 of the side transmission case 4 and the position corresponding to the plowing shaft 14 of the side transmission case 4, a sealing block tightly matched with the assembly port is arranged at each assembly port, the sealing block positioned at the upper side is sleeved on the transmission main shaft 9, and the sealing block positioned at the lower side is sleeved on the plowing shaft 14. In this way, the sealing block can seal the side of the side transmission case 4 corresponding to the transmission main shaft 9 and the insertion side of the cutter shaft 14, and prevent external impurities from entering the case.
Furthermore, the lower sides of the outer walls of the left support arm cylinder 2 and the right support arm cylinder 3 are respectively provided with a fixed support lug, and the two fixed support lugs are respectively positioned at the left side and the right side of the main transmission case 1 and are used for being fixedly connected with a mini-tiller suspension. Like this, the fixed journal stirrup that sets up can paste with the suspension frame of rotary cultivator to carry out fixed connection through the fastener, provide the support to whole drive mechanism through the suspension frame.
Further, the transmission main shaft 9 is connected with the gear shaft 10 and the power output shaft 8 of the main transmission case 1 through a coupling. In this way, the transmission main shaft 9, the gear shaft 10 and the power output shaft 8 are firmly connected, and the connection part is positioned in the left support arm barrel 2.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution, and those skilled in the art should understand that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the present utility model, and all such modifications and equivalents are included in the scope of the claims.
Claims (6)
1. The side transmission mechanism of the rotary cultivator cutter shaft comprises a main transmission box arranged in the middle of the top surface of a rotary cultivator suspension, wherein a side transmission box and a side plate are respectively arranged on the left side and the right side of the main transmission box, and the left side and the right side of the side transmission box are fixedly connected with the side transmission box and the side plate through a left support arm cylinder and a right support arm cylinder respectively; a transmission main shaft is arranged between the side transmission case and the power output end of the main transmission case, and a cutter shaft is arranged between the side transmission case and the side plate and at the lower end of the side transmission case; the device is characterized in that a driving bevel gear and a driven bevel gear are arranged in a main transmission case, and the driven bevel gear is sleeved on a power output shaft of the main transmission case and is in spline fit with the power output shaft; the driving bevel gear is meshed with the driven bevel gear and is obliquely arranged; a driving gear and a gear set meshed with the driving gear are sequentially arranged in the side transmission box from top to bottom, the driving gear is in spline fit on a gear shaft, one end of the transmission main shaft is fixedly connected with the gear shaft, and the other end of the transmission main shaft is fixedly connected with a power output shaft of the main transmission box; one end of the tillage cutter shaft is in spline connection with a gear at the middle lower end of the gear set, and the other end of the tillage cutter shaft is in rotatable connection with the side plate.
2. The rotary cultivator cutter shaft side transmission mechanism according to claim 1, wherein the side transmission case is assembled by a left case body and a right case body, and a gear assembly space communicated up and down is arranged in the side transmission case; the gear assembly space is internally provided with a plurality of installation shafts for assembling gears in the gear set at intervals, the installation shafts are transversely arranged, and bearings are sleeved at the left end and the right end of each installation shaft and the gear shaft.
3. The rotary cultivator cutter shaft side transmission mechanism according to claim 2, wherein a lubrication hole communicated with the gear assembly space is formed in the top of the side transmission box, and a plugging block matched with the lubrication hole is arranged on the lubrication hole.
4. The rotary cultivator cutter shaft side transmission mechanism according to claim 2, wherein the side transmission boxes are respectively provided with an assembly port at the positions corresponding to the transmission main shafts and the cutter shafts, each assembly port is provided with a sealing block tightly matched with the assembly port, the sealing block at the upper side is sleeved on the transmission main shafts, and the sealing block at the lower side is sleeved on the cutter shafts.
5. The rotary cultivator cutter shaft side transmission mechanism according to claim 1, 2, 3 or 4, wherein a fixed support lug is arranged on the lower side of the outer walls of the left support arm cylinder and the right support arm cylinder, and the two fixed support lugs are respectively positioned on the left side and the right side of the main transmission case and are fixedly connected with the mini-tiller suspension.
6. The rotary cultivator cutter shaft side transmission mechanism of claim 5 wherein the transmission main shaft is connected with the gear shaft and the power output shaft of the main transmission case through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323289599.9U CN221127846U (en) | 2023-12-04 | 2023-12-04 | Rotary cultivator cutter shaft side transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323289599.9U CN221127846U (en) | 2023-12-04 | 2023-12-04 | Rotary cultivator cutter shaft side transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221127846U true CN221127846U (en) | 2024-06-14 |
Family
ID=91422214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323289599.9U Active CN221127846U (en) | 2023-12-04 | 2023-12-04 | Rotary cultivator cutter shaft side transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221127846U (en) |
-
2023
- 2023-12-04 CN CN202323289599.9U patent/CN221127846U/en active Active
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