CN1029949C - High-uniformity airplane seeder - Google Patents

High-uniformity airplane seeder Download PDF

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Publication number
CN1029949C
CN1029949C CN 91108555 CN91108555A CN1029949C CN 1029949 C CN1029949 C CN 1029949C CN 91108555 CN91108555 CN 91108555 CN 91108555 A CN91108555 A CN 91108555A CN 1029949 C CN1029949 C CN 1029949C
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seed
sowing
tunnel
wind
switch
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Expired - Fee Related
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CN 91108555
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CN1069847A (en
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李万春
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FLIGHT TEST INST MINISTRY OF A
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FLIGHT TEST INST MINISTRY OF A
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Abstract

The invention discloses a novel airplane seeder for sowing and spreading medicine in agriculture, forestry and animal husbandry. The air seeding device opens a seed discharging switch of a seed box through an electric control system in flight so that seeds enter a quantitative disc, and the distribution amount is adjusted in flight through an automatic display system. In order to achieve uniform sowing, the seeds are distributed secondarily by the quantitative disc and the seed distributor, and then enter seven channels of the seed blowing wind tunnel in proportion, and under the action of gravity, airplane airflow and air, a sowing belt with a certain width is formed, so that the seeds are uniformly scattered to the ground. The flying sowing device with the structure realizes the sowing automation and achieves the purposes of wide sowing width and high sowing uniformity.

Description

High eveness aerial planter
Disclosed by the invention is the plant seeds by airplane device that is used for farming, woods, animal husbandry sowing on the aircraft, spreads pesticides.
Disclosed plant seeds by airplane device of patent document SU772-921-8 and SU1006-308-A and the plant seeds by airplane device that uses at present, the regulating mechanism of application rate is a mechanical type, is installed in that fuselage is exterior to be blown in kind of the wind-tunnel, can't regulate in-flight.Application rate is relevant with multiple factors such as flying speed, wind speed, flying height, landform, category, so seed of every replacing or place, all must could determine a sowing quantitative disk aperture that adapts substantially through repeatedly taking a flight test, inconvenience is also inaccurate.Seed after the plant seeds by airplane distributes to be similar to and is normal distribution, about 7: 1 of the ratio of its peak-to-valley value in 50 meters sown scope, then must waste many seeds for satisfying certain kind of amount that falls, because degree of automation is low, when adjusting the amount of sowing, the staff must put in the wind-tunnel forebody to body and remove to regulate quantitative disk, impurity dust is a lot of in the seed, often be the whole body earth sweat, as being mixed with agricultural chemicals, then service conditions is more arduous in the seed.
Task of the present invention is that will to design a kind of sown scope wide, sowing thing is evenly distributed in sown scope, and fly-by-wire system is arranged, awing can regulate by the aircrew, by the high evenness punching type pipeline airplane seeder of the automatic display control amount of sowing, reach with this and to alleviate the plant seeds by airplane personnel labor intensity, improve seeding quality, save seed, reduce the purpose of plant seeds by airplane cost.
Task of the present invention is finished in the following manner: the seed-box lower end in the aircraft hold has one to go out kind of a mouth frame, and the sow switch outer by draining hole frame under the engine room floor and fuselage links to each other.Seed enters quantitative disk under the control of the switch of sowing, in the passage in the quantitative disk hinge plate is housed, and controls openings of sizes under the effect of motor drive mechanism and sensor.For realizing the automatic demonstration of the amount of sowing, the voltage transitions that moves through sensor of hinge plate is input in the display instrument of control capsule, thereby realizes the automatic demonstration of the amount of sowing.Seed enters seed dispenser by quantitative disk, seed dispenser is installed on quantitative disk and blows between kind of the wind-tunnel, the dividing plate that does not wait by the seed dispenser spacing is reallocated the quantitative seed of process that flows out from quantitative disk, promptly enter in each passage that blows kind of wind-tunnel with certain proportion, blowing kind of a wind-tunnel is by 7 passages, and six are sprayed pipe and form.Provide the desirable speed of flying away after entering wind-tunnel to seed, seed has evenly been fallen form desirable actv. sown scope earthward.
Principal feature of the present invention is: in the plant seeds by airplane process, the aircrew can adjust the amount of sowing at random by automatic display system, seed passes through quantitative disk, seed dispenser and the continuous action of blowing kind of wind-tunnel, improved greatly and sowed degree of uniformity, seed can be fallen earthward with 1.8~33 to 1 high evenness, thereby reached the purpose of 60 meters of high evenness effective sown scopes.Reduce the plant seeds by airplane cost, improved plant seeds by airplane personnel's working environment, reduced seed waste rate, alleviated plant seeds by airplane personnel's labour intensity.
Below in conjunction with accompanying drawing the present invention is described in further detail:
Fig. 1 airplane seeder block diagram of the present invention
Fig. 2 A switch block diagram of sowing
Fig. 2 B central operating console block diagram
Fig. 3 quantitative disk front view
Fig. 4 quantitative disk hinge plate erection plan
Fig. 5 seed dispenser block diagram
Fig. 6 blows kind of a wind-tunnel block diagram
Fig. 7 blows kind of a wind-tunnel back segment block diagram
Fig. 8 plant seeds by airplane device erection plan
Structural perspective with reference to Fig. 1 plant seeds by airplane device.Mainly by seed-box 1, draining hole frame 2, the switch 6 of sowing, quantitative disk 5, seed dispenser 7, blow kind of wind-tunnel 8, refrigerator pipe 3, fairing 4, fly-by-wire system and automatic display and form.Seed-box 1 end opening riveting in the aircraft hold has a round exit frame, and the sow switch 6 outer by draining hole frame 2 under the engine room floor 52 and fuselage is connected.The switch 6 of sowing mainly is made up of base plate 14, guide channel plate 11, key-board 10, cold air pressurized strut 15, refrigerator pipe 3, micro-switch 12,16,17, flap 18.Its work relationship is that guide channel plate 11 and base plate 14 are screwed and are one, key-board 10 is inserted in the groove of guide channel plate 11, the piston rod of cold air pressurized strut 15 is fixed by bolts on the bearing 13 of an end of key-board 10, the other end is fixed by bolts on the bearing 19 of guide channel plate 11 crossbeams, the cold air of cold air pressurized strut 15 is imported and exported and is drawn from air coolant tube 3 respectively, by pneumoelectric valve 55 and central operating console 54 and reducing valve 56 and 57 connections of aircraft cold air source.Sowing has two micro-switchs 12,16 to be screwed respectively on guide channel plate 11 in the switch 6, corresponding to the position of key-board 10 starting points and terminal point.Also be fixed with on the inwall of draining hole frame 2 on 17, three micro-switchs of a micro-switch 12,16,17 are connected to aircraft power supply 53 respectively by cable 9 the indicator lamp of central operating console 54.Gas during work on the starting central operating console 54, electric switch, pneumoelectric valve 55 is started working, cold air enters pressurized strut 15 by air coolant tube 3 and drives key-board 10 motions, when key-board 10 touches micro-switch 12, the switch 6 of sowing is opened, the switch connection of sowing on the central operating console 54 shows, when seed finishes, when touching, open automatically in the micro-switch 17 no seeds on the draining hole frame 2, at this moment the signal lamp that spread on the central operating console 54 shows, represent that seed finishes in the case, start connection air coolant tube 3 drive key-boards 10 and return stroke motion that the switch that demonstration is sowed on the central operating console 54 cuts out.
Kind of the mouth that of switch 6 of sowing is connected (see figure 1) with quantitative disk 5.Quantitative disk 5 is mainly controlled the seed throughput by adjusting openings of sizes.
Quantitative disk 5 among Fig. 3 mainly contains housing 23, dividing plate 26, hinge plate 24, hinge bearing pin 25,21, drive spindle 20, rocking arm 34, motor drive mechanism 33 and bearing 35,32 thereof, sensor 29, sensor stand 30, cable 9 compositions.
Vertical welding is connected to five dividing plates 26 in the quantitative disk housing 23, constitute six elongate channel, six hinge plates 24 are close to dividing plate 26 and are put into six elongate channel, insert (see figure 4) in the dark hole of housing 213 upper edges with bearing pin 25 two ends of hinge plate 24 upper ends, in the medial launder of hinge plate 24 lower ends, put into drive spindle 20, again with bearing pin 21 companies of wearing, one of drive spindle 20 is free end, the other end links to each other with rocking arm 34 with pin; the other end of rocking arm 34 links to each other with motor drive mechanism 33 by mount pad 35; be fixed on the quantitative disk housing base plate, the other end of motor drive mechanism 33 also is fixedly connected on quantitative disk housing base plate by mount pad 32.On the upper flange plate edge lower bracket 30 of quantitative disk 5 sensor 29 is installed, the pointer rocking arm 28 on the sensor 29 is by cable 9 and central operating console 54 UNICOMs.The hinge plate 24 that moves through on the rocking arm 34 drive drive spindles 20 of motor drive mechanism 33 moves (see figure 3)s along the chute on the housing 23 27 during quantitative disk 5 work, thereby make and form the passage that to control size between dividing plate 26 and the hinge plate 24, pass through the passages of different sizes when the certain speed of seed, promptly constitute different seed flows, and the different displacements of drive spindle 20, angular transposition motion through sensor rocking arm 28, different voltages have been converted to, different voltage correspondences the different flows of sowing, on central operating console 54, demonstrate different application rates through converting, can reach the artificial control quantitative purpose of sowing with this.
Being connected with seed dispenser 7 below the quantitative disk 5 mainly reallocates in order to the seed that quantitative disk 5 is fallen.Seed dispenser 7 mainly is made up of housing 47 dividing plates 49.
Distributing box 7 is structures that do not have movement parts, and its six dividing plates 49 are welded in (see figure 5) in the housing 47 respectively with different spacing.Dividing plate 49 in quantitative disk 5 internal partitions 26 and the distributing box 7 intersects vertically and is installed on (see figure 8) up and down.Enter the distributed uniform degree that blows kind of wind-tunnel 8 to improve seed.
The following connection of seed dispenser 7 blown kind of wind-tunnel 8, is that the seed that will be assigned with sprays ground.Blow kind of wind-tunnel 8 and form (see figure 6) by leading portion and back segment two large divisions.
Blow kind of a wind-tunnel leading portion among Fig. 6, mainly by strengthening a mouthful frame 42, exterior skin 44, dividing plate 43, seed inlet 45, emergently unloading kind of flap 46 and suspended bearer 41 constitutes.Blowing kind of wind-tunnel leading portion is to make of the lightweight material that certain intensity is arranged.Its shape is that leading edge is the loudspeaker style of opening, and then covering 44 is smoothly transitted into seed inlet 45, and seed inlet 45 be a parallel-segment, to there being one to meet an urgent need and unload kind of flap 46, draws off the outlet of seed when being used for sowing below seed inlet 45.With six dividing plates 43, be divided into seven passages and seed dispenser corresponding connection about in the of 7 in the passage of the wide flat of leading portion, seven passages lead to the leading portion two ends always.At the suspended bearer 41 of strengthening being installed with on mouthful frame 42 and the leading portion trailing edge four symmetries.
Fig. 7 blows kind of wind-tunnel back segment and mainly sprays pipe 39 by six, and front and back are sprayed pipe clip 37,38, front and back erecting frame 40,36 and suspended bearer 41 and formed.
Six of back segments are sprayed pipe 39 be divided into two groups, per three are one group and are fixed as one with clip 37, two groups spray pipe 39 by preceding erecting frame 40 respectively flush fit be docked on three passages that blow kind of wind-tunnel leading portion both sides, the gap (see figure 7) of a passage is left in the centre, the position of spraying the pipe arranged distribution connects with seven passages that blow in kind of wind-tunnel 8 leading portions, the passage of middle does not spray pipe 39, and seed comes out directly to spread in the air from passage.Six are sprayed 39 one-tenth fan-shaped drawing back of pipe, and each sprays pipe 39 and all uses clip 38 to be fixed on the erecting frame 36 of back.On the front and rear edges erecting frame 40,36 of back segment, be symmetrically installed with four suspended bearers 41 altogether.
By draining hole frame 2, the switch 6 of sowing, quantitative disk 5, seed dispenser 7 with blow the high eveness aerial planter that kind of wind-tunnel 8 is formed, all be to connect (see figure 8) layer by layer between each parts by the mouth of sowing.The seed inlet 45 that blows kind of wind-tunnel 8 is connected with seed dispenser 7 lower flanges 50 usefulness bolts, the inside passage is corresponding (see figure 8) up and down, seed dispenser 7 is connected with bolt with flange under the quantitative disk 5 by upper flange plate 48, and lower clapboard 26,49 intersects vertically on the inside.The upper flange plate of quantitative disk 5 is connected going out on kind of the mouth frame 18 of the switch 6 of sowing, and is screwed.Sow and link to each other with draining hole frame 2 lower ends with screw on the seed inlet of switch 6 or weld.After the plant seeds by airplane device installs, at last fairing 4 is fixed on the exterior skin 44 that blows kind of wind-tunnel, seed dispenser 7, quantitative disk 5 all be packaged in the inside to reduce flight resistance.Last again by blowing eight suspended bearers 41 on kind of the wind-tunnel, the plant seeds by airplane device is hung outside the covering below aircraft with pull bar 51.
Above design-calculated plant seeds by airplane device realized fully that sown scope is wide, sow in sown scope and be evenly distributed, and can be under the effect of automatic handling system by the aircrew according to the objective condition adjustment, the control amount of sowing has reached the raising seeding quality, reduce the plant seeds by airplane cost, alleviate the plant seeds by airplane personnel labor intensity.

Claims (3)

1, a kind of by seed-box 1, draining hole frame 2, the switch 6 of sowing, quantitative disk 5, seed dispenser 7, blow kind of wind-tunnel 8, the high eveness aerial planter that fly-by-wire system and automatic display are formed, it is characterized in that seed-box 1 lower end in the cabin has one to go out kind of a mouth frame, the sow switch 6 outer by draining hole frame 2 under the engine room floor and fuselage is connected, sowing has two micro-switchs 12 in the switch 6,16 are screwed respectively on guide channel plate 11, position corresponding to key-board 10 starting points and terminal point, on the inwall of draining hole frame 2, also be fixed with a micro-switch 17, three micro-switchs 12,16,17 are connected on the indicator lamp of central operating console 54 by cable 9 respectively, the key-board 10 of switch 6 of sowing is inserted in the groove of guide channel plate 11, the piston rod of cold air pressurized strut 15 is fixed by bolts on the bearing 13 of key-board 10 1 ends, the other end is fixed by bolts on the bearing 19 of guide channel plate 11 crossbeams, the cold air of cold air pressurized strut 15 is imported and exported and is drawn from air coolant tube 3 respectively, by pneumoelectric valve 55 and central operating console 54 and reducing valve 56 and 57 connections of aircraft cold air source; Kind of the mouth that of switch of sowing is connected with quantitative disk 5, vertical welding is connected to five dividing plates 26 in the quantitative disk housing 23, constitute six elongate channel, six hinge plates 24 are close to dividing plate 26 and are put into passage, bearing pin 25 two ends of hinge plate 24 upper ends, insert in the dark hole of housing 23 upper edges, be placed with drive spindle 20 in the medial launder of hinge plate 24 lower ends, with bearing pin 21 companies of wearing, 20 1 of drive spindles are free end, the other end is connected with rocking arm 34 1 ends with pin; rocking arm 34 other ends link to each other with motor drive mechanism 33 by mount pad 35; on the flange edge lower bracket 30 of quantitative disk 5 sensor 29 is installed, and the pointer rocking arm 28 usefulness pins of sensor 29 and drive spindle 20 are fixing; motor drive mechanism 33 and sensor 29 are by cable and central operating console 54 UNICOMs; Bonded assembly seed dispenser 7 below the quantitative disk 5 is to be welded in respectively in the housing 47 with different spacing with six dividing plates 49, about the dividing plate 49 in quantitative disk 5 internal partitions 26 and the distributing box 7 intersects vertically and is installed on; Seed dispenser 7 following bonded assemblys blow kind of wind-tunnel 8 and are made up of leading portion and back segment, leading portion is made of the lightweight material that certain intensity is arranged, have a seed inlet 45 on the covering 44 of leading portion, following correspondence has emergent kind of a mouth 46 that unloads, in the leading portion passage, be divided into seven passages and seed dispenser corresponding connection about in the of 7 with six dividing plates 43, back segment is six and sprays pipe 39, every triad are fixed as one with clip 37, two groups spray pipe 39 by preceding erecting frame 40 respectively flush fit be docked on three passages that blow kind of wind-tunnel leading portion both sides, the gap of a passage is left in the centre.
2, according to the airplane seeder of claim 1, it is characterized in that blowing kind of wind-tunnel 8 leading portion leading edges is the loudspeaker style of opening, seed inlet 45 is a parallel-segment, six spray pipe become fan-shaped draw back 39 each all use clip 39 to be fixed on afterwards on the erecting frame 36, eight suspended bearers 41 that blow on kind of the wind-tunnel are hung the plant seeds by airplane device outside the covering below aircraft with pull bar 51.
3, according to the airplane seeder of claim 1, it is characterized in that the seed inlet that blows kind of wind-tunnel 8 is connected with seed dispenser 7 lower flanges 50 usefulness bolts, seed dispenser 7 is by the lower flange bolt together of lower flange 48 with quantitative disk 5, the flange of quantitative disk 5 is connected with kind of the mouth frame 18 usefulness screws that go out of the switch 6 of sowing, sow the seed inlet of switch 6 and draining hole frame 2 lower ends with screw or be weldingly connected and connect, fairing 4 is fixed on the exterior skin 44 that blows kind of wind-tunnel, and seed dispenser 7, quantitative disk 5 are packaged in the inside.
CN 91108555 1991-09-04 1991-09-04 High-uniformity airplane seeder Expired - Fee Related CN1029949C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91108555 CN1029949C (en) 1991-09-04 1991-09-04 High-uniformity airplane seeder

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Application Number Priority Date Filing Date Title
CN 91108555 CN1029949C (en) 1991-09-04 1991-09-04 High-uniformity airplane seeder

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CN1069847A CN1069847A (en) 1993-03-17
CN1029949C true CN1029949C (en) 1995-10-11

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