CN103332230A - Walking device of tractor - Google Patents
Walking device of tractor Download PDFInfo
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- CN103332230A CN103332230A CN2013102881697A CN201310288169A CN103332230A CN 103332230 A CN103332230 A CN 103332230A CN 2013102881697 A CN2013102881697 A CN 2013102881697A CN 201310288169 A CN201310288169 A CN 201310288169A CN 103332230 A CN103332230 A CN 103332230A
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Abstract
The invention provides a walking device of a tractor, and relates to the field of agricultural machines. The walking device of the tractor is composed of a machine frame and a plurality of drive axle half shafts, and further comprises a plurality of triangular track walking mechanisms. Each drive axle half shaft corresponds to an inner supporting unit and an outer supporting unit on one side through the machine frame to be supported on the machine frame, and each triangular track walking mechanism is connected with one half shaft between the inner supporting unit and the outer supporting unit. The walking device is supported by the two supporting units, so that when meeting obstacles, the triangular track walking mechanisms can swing, profile modeling at any place during the advancing process of the tractor can be achieved, and stability is enhanced. Meanwhile, the walking device has the advantages of being high in crop clearance, large in grounded length, good in machine stability, narrow in track width, and capable of pressing few seedlings in a paddy field.
Description
Technical field
The present invention relates to agriculture instrument field, be specifically related to a kind of trac. running gear.
Background technology
For many years; rice terrace plant protection and fertilising operation; because conventional mechanical can't be gone to the field; so carry out operation by manpower or man-machine combination, efficient is low, quality is subjected to artificial sense of responsibility, walking and manual degree of uniformity variable effect bigger; and labour intensity is big; easily produce safety misadventures such as poisoning, heatstroke, incompatibility large-scale production, restriction rice high yield and entire mechanization level.The external plant protection fertilizer machinery of introducing, worm and broadcast application mechanization problem are controlled in the early stage paddy field spraying that has solved sandy soil, but the machine deadweight is not suitable for easy clayed soil field piece operation of sinking more greatly.Moreover the crack, ground is lower, also incompatibility paddy rice later stage and long-stalked crop operation.
Summary of the invention
The purpose of this invention is to provide a kind of triangle creeper undercarriage, have the crack, highland, good stability, crawler width is narrow, has eliminated ground and has been directly delivered to vertical load on the drive wheel, has alleviated the impact to drive wheel, improves service life, has increased stability.
Another object of the present invention provides a kind of trac. running gear, comprise above-mentioned triangle creeper undercarriage, profiling everywhere, have the crack, highland, good stability, crawler width is narrow, eliminate ground and be directly delivered to vertical load on the drive wheel, alleviate the impact to drive wheel, improved service life, increased stability.
Purpose of the present invention adopts following technical scheme to realize:
A kind of trac. running gear, comprise frame and several half shafts, also comprise several triangle creeper undercarriages, each half shaft is supported on frame by inside and outside two bearing units of the corresponding side of frame, and each triangle creeper undercarriage is connected on the described semiaxis between described inside and outside two bearing units.Adopt two bearing units to support trac. complete machine weight, make the triangle creeper undercarriage when running into obstacle, can swing, thereby realize profiling everywhere in the trac. traveling process, increased stability.
Described triangle creeper undercarriage comprises drive wheel, track adjusting wheel, road wheel, trapezoid support and crawler belt, described drive wheel and road wheel are located at the above and below of trapezoid support respectively, track adjusting wheel is located at two ends, trapezoid support below, and described crawler belt forms the crawler belt transmission of triangle round drive wheel, track adjusting wheel and road wheel; Described triangle creeper undercarriage links to each other with frame by trapezoid support.Adopt the triangle creeper undercarriage, train is connected with half shaft, frame by trapezoid support, adapter sleeve, make drive wheel break away from walker, has eliminated ground and has been directly delivered to vertical load on the drive wheel, alleviate the impact to drive wheel, improved service life.
Described internal support unit comprises clutch shaft bearing, inner pedestal and neck bearing support sleeve, and described clutch shaft bearing places in the inner pedestal, and the neck bearing support sleeve is bearing in the inner pedestal by clutch shaft bearing; Described external support unit comprises second bearing and outer bearing carrier, and second bearing places in the outer bearing carrier; Described inside and outside bearing seat is connected on the described trapezoid support.
Described half shaft passes the neck bearing support sleeve, and axial end portion is supported on outer bearing carrier by second bearing, is supported on inner pedestal corresponding to neck bearing support sleeve part by clutch shaft bearing.
Described drive wheel is connected on the described half shaft between the inside and outside bearing seat.
Described half shaft is made up of first part and second part, described first part comprises first mandrel and is connected the terminal pad of the first mandrel end, described second part comprises second mandrel and is connected the terminal pad of the second mandrel end, first mandrel is longer than second mandrel, described terminal pad on this two mandrel is relative, described drive wheel places between the two terminal pads phase, connects first, second part and drive wheel by the attaching parts coaxial line.
Described trac. running gear also is provided with position-limiting unit, described position-limiting unit comprises limiting stopper and position-limited lever, described limiting stopper is located on the neck bearing support sleeve, described position-limited lever is located on trapezoid support or the inner pedestal and is positioned at described limiting stopper one side, a neutral is spaced from each other, limiting stopper and position-limited lever form restriction to the angle that relatively rotates of described support sleeve and inner pedestal, are limited in described neutral.
Bearing seat support plate and crossbeam that described trapezoid support comprises vertical supporting rod, inclined support bar and is parallel to each other, described vertical supporting rod is connected on the center between bearing seat support plate and the crossbeam, two inclined support bars are adapter shaft bearing support plate and crossbeam two ends respectively, make bearing seat support plate, crossbeam and inclined support bar form trapezoid part.
Described track adjusting wheel has two, is connected symmetrical two ends, described trapezoid support below by a supporting regulating mechanism respectively, connects by the tensioning regulating mechanism between the two supporting regulating mechanisms.
Described supporting regulating mechanism comprises slide block and slide block folder, two described slide blocks symmetry respectively are connected symmetrical two ends, described trapezoid support below, each slide block is provided with waist shaped hole, connects the slide block folder respectively in both sides by this waist shaped hole, and the slide block folder is regulated by waist shaped hole with the connection location of slide block; Each slide block presss from both sides an end and is provided with U-lag, and track adjusting wheel is bearing on the slide block folder by U-lag.
Described tensioning regulating mechanism comprises lock bolt, setting nut, screw rod and screw jacket, described setting nut one end is provided with the face of cylinder less than screw jacket one end internal diameter, described screw rod is rotatably connected in setting nut, the face of cylinder end of setting nut stretches into the corresponding end of screw jacket, at least one lock bolt is along in the screw jacket precession cover, and the end is pressed on the face of cylinder of setting nut; Described tensioning regulating mechanism is connected with slide block folder in the supporting regulating mechanism at two ends, trapezoid support below respectively by screw jacket and screw rod corresponding end.The parts tensioning can be regulated by tensioning in the track adjusting wheel both sides, makes drive wheel on two track adjusting wheel line of centerss, improves the stability of walking.
Beneficial effect:
Trac. running gear of the present invention is put the drive wheel height, therefore has the crack, highland, up to 0.9～1m.Ground contact length is long, reaches 1.1～1.2m, the facility good stability.Crawler width is narrow, presses seedling few in the paddy field.The triangle creeper undercarriage that the present invention adopts the drive wheel height to put, roller bearings is adopted in the drive wheel outside, the inboard plain radial bearing that adopts supports, namely adopt support trac. complete machine weight at 2, make the triangle creeper undercarriage to swing simultaneously, thereby realize profiling everywhere in the trac. traveling process, increased stability.Plain radial bearing can be made banking motion (be aligning motion) in the certain angle scope, when support sleeve and rolling bearing pedestal hole concentricity are inconsistent, still can normal operation, and setting accuracy is less demanding.The employing triangular structure is a bit: train is connected with half shaft, vehicle frame by support, adapter sleeve, makes drive wheel break away from walker, has eliminated ground and has been directly delivered to vertical load on the drive wheel, has alleviated the impact to drive wheel, raising service life.Adopt adapter sleeve to connect running gear and half shaft, increase wheelspan, improve walking stability.When crawler belt becomes when lax, need tensioning.The track adjusting wheel both sides can tensioning, makes drive wheel on two track adjusting wheel line of centerss, improves the stability of walking.Drive wheel and track adjusting wheel do not adopt involute, and directly adopting radius is the circular arc replacement of 60mm, reduces manufacturing cost.
Description of drawings
Fig. 1 is the structure diagram of trac. running gear.
The structure diagram of Fig. 2 triangle creeper undercarriage.
Fig. 3 is 2 supporting construction sketches of drive wheel.
The structure diagram of Fig. 4 trapezoid support.
Fig. 5 has shown the annexation between track adjusting wheel, slide block, slide block folder and the tensioning regulating mechanism.
Fig. 6 is tensioning regulating mechanism structure diagram.
1 drive wheel wherein, 2 trapezoid supports, 3 crawler belts, 4 track adjusting wheels, 5 crossbeams, 6 slide blocks, 7 tensioning regulating mechanisms, 8 slide blocks folder, 9 road wheels, 21 half shafts, 22 adapter sleeves, 23 captive nuts, 24 neck bearing support sleeves, 25 clutch shaft bearings, 26 bearings, 27 drive wheels, 28 second bearings, 29 captive nuts, 30 second mandrels, 31 outer bearing carriers, 32 inner pedestals, 33 bearings, 34 first mandrels, 35 terminal pads, 41 bearing seat support plates, 42 inclined support bars, 43 vertical supporting rods, 44 crossbeams, 46 slide blocks, 51 mounting holes, 52 screw jackets, 53 lock bolts, 54 setting nuts, 55 screw rods, 56 mounting holes, 61 frames, 62 triangle creeper undercarriages, 65 waist shaped holes, 81 U-lags, parts, 72 bearing pins are regulated in 71 tensionings.
The specific embodiment
Describe in conjunction with Fig. 1-6 pair of trac. running gear of the present invention.
As Fig. 1, the trac. running gear, comprise rectangle frame 61 and four symmetrically arranged half shafts and four triangle creeper undercarriages 62, each half shaft is supported on frame 61 by inside and outside two bearing units of the corresponding side of frame, and each triangle creeper undercarriage 62 is connected on the half shaft between inside and outside two bearing units.
Above-mentioned triangle creeper undercarriage more preferably designs as Fig. 2, comprise drive wheel 1, track adjusting wheel 4, road wheel 9, trapezoid support 2 and crawler belt 3, drive wheel 1 is located at the top of trapezoid support 2, road wheel 9 is arranged at the below of trapezoid support 2, two track adjusting wheels 4 are located at two ends, trapezoid support 2 below respectively, and crawler belt 3 forms the crawler belt transmission of triangle round drive wheel 1, track adjusting wheel 4 and road wheel 9.Trapezoid support 2 links to each other with frame 61 by nuts and bolt.The material of crawler belt is selected rubber.
Annexation between drive wheel and the inside and outside bearing unit as shown in Figure 3.The internal support unit comprises clutch shaft bearing 25, inner pedestal 32, neck bearing support sleeve 24, and clutch shaft bearing 25 places in the inner pedestal 32, and neck bearing support sleeve 24 is bearing in the inner pedestal 32 by clutch shaft bearing 25.The preferred plain radial bearing of clutch shaft bearing, reason is: plain radial bearing can be made banking motion (being the aligning motion) in the certain angle scope, when neck bearing support sleeve 24 and outer bearing carrier 31 hole concentricitys are inconsistent, still can normal operation, setting accuracy is less demanding.The external support unit comprises that second bearing 28, outer bearing carrier 31, the second bearings 28 place in the outer bearing carrier 31.Second bearing 28 is preferably antifriction-bearing box.Inner pedestal 32 and outer bearing carrier 31 are connected on the trapezoid support 2.Half shaft 21 passes neck bearing support sleeve 24, and axial end portion is supported on outer bearing carrier 31 by second bearing 28, is supported on inner pedestal 32 corresponding to neck bearing support sleeve 24 parts by clutch shaft bearing 25.Drive wheel 27 is connected on the half shaft 21 between the inside and outside bearing seat.Half shaft 21 is made up of first part and second part, described first part comprises first mandrel 34 and is connected the terminal pad 35 of the first mandrel end, described second part comprises second mandrel 30 and is connected the terminal pad 35 of the second mandrel end, first mandrel is longer than second mandrel, terminal pad 35 on two mandrels is relative, and drive wheel 27 places between two terminal pads 35. connect first, second part and drive wheel 27 by the attaching parts coaxial line.
In order to prevent that trac. from tumbling, the trac. running gear also is provided with position-limiting unit.Position-limiting unit comprises limiting stopper and position-limited lever.Limiting stopper is located on the neck bearing support sleeve 24, position-limited lever is located on trapezoid support 2 or the inner pedestal 32 and is positioned at limiting stopper one side, the neutral that is spaced from each other, the internal bearings cover 24 of limiting stopper and position-limited lever forms restriction with the angle that relatively rotates of inner pedestal 32, is limited in the described neutral.
More excellent design such as Fig. 4 of trapezoid support, trapezoid support 2 comprises vertical supporting rod 43, inclined support bar 42 and the bearing seat support plate 41 that is parallel to each other and crossbeam 44, vertical supporting rod 43 is connected on the center between bearing seat support plate 41 and the crossbeam 44, two inclined support bars 42 are adapter shaft bearing support plate 41 and crossbeam 44 two ends respectively, make bearing seat support plate 41, crossbeam 44 and inclined support bar 42 form trapezoid part.Road wheel 9 is hinged on the crossbeam 44.
Track adjusting wheel has two in the preferred scheme, is connected symmetry two ends, trapezoid support 2 belows by a supporting regulating mechanism respectively, connects by tensioning regulating mechanism 7 between the two supporting regulating mechanisms.
As Fig. 2 and 5, the supporting regulating mechanism comprises slide block 6 and slide block folder 8, two slide blocks 6 symmetry respectively are connected symmetry two ends, described trapezoid support 2 belows, each slide block 6 is provided with waist shaped hole 65, connect slide block folder 8 respectively in both sides by this waist shaped hole 65, slide block folder 8 is regulated by waist shaped hole 65 with the connection location of slide block 6.Each slide block presss from both sides 8 one ends and is provided with U-lag 81, and track adjusting wheel 4 is bearing on the slide block folder 8 by U-lag 81.
The structure preferred version of tensioning regulating mechanism as shown in Figure 6.The tensioning regulating mechanism comprises lock bolt 53, setting nut 54, screw rod 55 and screw jacket 52, setting nut 54 1 ends are provided with the face of cylinder less than screw jacket 52 1 end internal diameters, described screw rod 55 is rotatably connected in setting nut 54, the face of cylinder end of setting nut 54 stretches into screw jacket 52 corresponding ends, at least one lock bolt 53 is along in the screw jacket 52 precessions cover, and the end is pressed on the face of cylinder of setting nut 54; Described tensioning regulating mechanism by screw jacket 52 and screw rod 55 corresponding end respectively with the supporting regulating mechanism at two ends, trapezoid support 2 below in slide block folder 46 be connected by bearing pin 72.
When trac. running gear of the present invention uses, motor drives drive wheel by half shaft and rotates, by the gear teeth on the drive wheel and the engagement between the crawler belt, the crawler belt slack list constantly enters engagement, pilled-in selvedge is constantly thrown off engagement, the part crawler belt that contacts with ground is owing to be subjected to the effect of friction force, and crawler belt is subjected to the ground effect of antagonistic force forward, just trac. propulsive effort to overtake.When propulsive effort was enough to overcome resistance to motion, road wheel rolled in internal track surfaces, made trac. to overtake.Trac. running gear of the present invention is put the drive wheel height, therefore has the crack, highland, and ground contact length is long, good stability, and crawler width is narrow, presses the few characteristics of seedling in the paddy field.Because each half shaft is supported on frame by inside and outside two bearing units of the corresponding side of frame, each triangle creeper undercarriage 62 is connected on the half shaft between inside and outside two bearing units, make the triangle creeper undercarriage when running into obstacle, can swing, thereby realize profiling everywhere in the trac. traveling process, increased stability.Plain radial bearing can be made banking motion (be aligning motion) in the certain angle scope, when neck bearing support sleeve and outer bearing carrier hole concentricity are inconsistent, still can normal operation, and setting accuracy is less demanding.Train is connected with half shaft, frame by trapezoid support, adapter sleeve, has eliminated ground and has been directly delivered to vertical load on the drive wheel, has alleviated the impact to drive wheel, raising service life.Adopt adapter sleeve to connect running gear and half shaft, increase wheelspan, improve walking stability.When crawler belt becomes when lax, need tensioning.The track adjusting wheel both sides can tensioning, makes drive wheel on two track adjusting wheel line of centerss, improves the stability of walking.Drive wheel and track adjusting wheel do not adopt involute, and directly adopting radius is the circular arc replacement of 60mm, reduces manufacturing cost.
Claims (11)
1. trac. running gear, comprise frame and several half shafts, it is characterized in that also comprising several triangle creeper undercarriages, each half shaft is supported on frame by inside and outside two bearing units of the corresponding side of frame, and each triangle creeper undercarriage is connected on the described semiaxis between described inside and outside two bearing units.
2. according to the described trac. running gear of claim 1, it is characterized in that: described triangle creeper undercarriage comprises drive wheel, track adjusting wheel, road wheel, trapezoid support and crawler belt, described drive wheel and road wheel are located at the above and below of trapezoid support respectively, track adjusting wheel is located at two ends, trapezoid support below, and described crawler belt forms the crawler belt transmission of triangle round drive wheel, track adjusting wheel and road wheel; Described triangle creeper undercarriage links to each other with frame by trapezoid support.
3. according to the described trac. running gear of claim 2, it is characterized in that: described internal support unit comprises clutch shaft bearing, inner pedestal and neck bearing support sleeve, described clutch shaft bearing places in the inner pedestal, and the neck bearing support sleeve is bearing in the inner pedestal by clutch shaft bearing; Described external support unit comprises second bearing and outer bearing carrier, and second bearing places in the outer bearing carrier; Described inside and outside bearing seat is connected on the described trapezoid support.
4. according to the described trac. running gear of claim 3, it is characterized in that: described half shaft passes the neck bearing support sleeve, axial end portion is supported on outer bearing carrier by second bearing, is supported on inner pedestal corresponding to neck bearing support sleeve part by clutch shaft bearing.
5. according to the described trac. running gear of claim 4, it is characterized in that: described drive wheel is connected on the described half shaft between the inside and outside bearing seat.
6. according to the described trac. running gear of claim 5, it is characterized in that: described half shaft is made up of first part and second part, described first part comprises first mandrel and is connected the terminal pad of the first mandrel end, described second part comprises second mandrel and is connected the terminal pad of the second mandrel end, first mandrel is longer than second mandrel, described terminal pad on this two mandrel is relative, and described drive wheel places between two terminal pads; Connect first, second part and drive wheel by the attaching parts coaxial line.
7. according to each described trac. running gear of claim 3-6, it is characterized in that: described trac. running gear also is provided with position-limiting unit, described position-limiting unit comprises limiting stopper and position-limited lever, described limiting stopper is located on the neck bearing support sleeve, described position-limited lever is located on trapezoid support or the inner pedestal and is positioned at described limiting stopper one side, a neutral is spaced from each other, limiting stopper and position-limited lever form restriction to the angle that relatively rotates of described neck bearing support sleeve and inner pedestal, are limited in described neutral.
8. according to each described trac. running gear of claim 2-6, it is characterized in that: bearing seat support plate and crossbeam that described trapezoid support comprises vertical supporting rod, inclined support bar and is parallel to each other, described vertical supporting rod is connected on the center between bearing seat support plate and the crossbeam, two inclined support bars are adapter shaft bearing support plate and crossbeam two ends respectively, make bearing seat support plate, crossbeam and inclined support bar form trapezoid part.
9. described trac. running gear according to Claim 8, it is characterized in that: described track adjusting wheel has two, is connected symmetrical two ends, described trapezoid support below by a supporting regulating mechanism respectively, connects by the tensioning regulating mechanism between the two supporting regulating mechanisms.
10. according to the described trac. running gear of claim 9, it is characterized in that: described supporting regulating mechanism comprises slide block and slide block folder, two described slide blocks symmetry respectively are connected symmetrical two ends, described trapezoid support below, each slide block is provided with waist shaped hole, connect the slide block folder respectively in both sides by this waist shaped hole, the slide block folder is regulated by waist shaped hole with the connection location of slide block; Each slide block presss from both sides an end and is provided with U-lag, and track adjusting wheel is bearing on the slide block folder by U-lag.
11. according to the described trac. running gear of claim 10, it is characterized in that: described tensioning regulating mechanism comprises lock bolt, setting nut, screw rod and screw jacket, described setting nut one end is provided with the face of cylinder less than screw jacket one end internal diameter, described screw rod is rotatably connected in setting nut, the face of cylinder end of setting nut stretches into the corresponding end of screw jacket, at least one lock bolt is along in the screw jacket precession cover, and the end is pressed on the face of cylinder of setting nut; Described tensioning regulating mechanism is connected with slide block folder in the supporting regulating mechanism at two ends, trapezoid support below respectively by screw jacket and screw rod corresponding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310288169.7A CN103332230B (en) | 2013-07-10 | 2013-07-10 | A kind of trac. running gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310288169.7A CN103332230B (en) | 2013-07-10 | 2013-07-10 | A kind of trac. running gear |
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| Publication Number | Publication Date |
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| CN103332230A true CN103332230A (en) | 2013-10-02 |
| CN103332230B CN103332230B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310288169.7A Active CN103332230B (en) | 2013-07-10 | 2013-07-10 | A kind of trac. running gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528555A (en) * | 2017-03-05 | 2018-09-14 | 湖北职业技术学院 | The walking of climbing robot Passive vacuum absorption is oriented to and roll-setting gear |
| CN109526382A (en) * | 2018-11-30 | 2019-03-29 | 华南农业大学 | Wheel carries out compound high-clearance ratooning rice harvester |
| CN115413488A (en) * | 2022-07-28 | 2022-12-02 | 农业农村部南京农业机械化研究所 | Conveying device of agricultural combine harvester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3857616A (en) * | 1973-10-02 | 1974-12-31 | Tucker & Sons | Slide for preventing excessive vibration in an endless track unit |
| CN2142093Y (en) * | 1992-09-30 | 1993-09-15 | 昆明市长春建材金属构件厂 | Quick-mounting bearing pedestal of V-track for walking tractor |
| CN201099289Y (en) * | 2007-10-25 | 2008-08-13 | 上海交通大学 | Electric rubber belt track running mechanism |
| CN201276157Y (en) * | 2008-08-26 | 2009-07-22 | 现代农装北方(北京)农业机械有限公司 | Running gear for half-track tractor |
| CN202368702U (en) * | 2011-11-21 | 2012-08-08 | 石家庄飞翔材料技术有限公司 | Crawler-type driving system and traveling device |
| CN203381699U (en) * | 2013-07-10 | 2014-01-08 | 江苏省农垦农业发展股份有限公司 | Tractor walking device |
-
2013
- 2013-07-10 CN CN201310288169.7A patent/CN103332230B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3857616A (en) * | 1973-10-02 | 1974-12-31 | Tucker & Sons | Slide for preventing excessive vibration in an endless track unit |
| CN2142093Y (en) * | 1992-09-30 | 1993-09-15 | 昆明市长春建材金属构件厂 | Quick-mounting bearing pedestal of V-track for walking tractor |
| CN201099289Y (en) * | 2007-10-25 | 2008-08-13 | 上海交通大学 | Electric rubber belt track running mechanism |
| CN201276157Y (en) * | 2008-08-26 | 2009-07-22 | 现代农装北方(北京)农业机械有限公司 | Running gear for half-track tractor |
| CN202368702U (en) * | 2011-11-21 | 2012-08-08 | 石家庄飞翔材料技术有限公司 | Crawler-type driving system and traveling device |
| CN203381699U (en) * | 2013-07-10 | 2014-01-08 | 江苏省农垦农业发展股份有限公司 | Tractor walking device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528555A (en) * | 2017-03-05 | 2018-09-14 | 湖北职业技术学院 | The walking of climbing robot Passive vacuum absorption is oriented to and roll-setting gear |
| CN109526382A (en) * | 2018-11-30 | 2019-03-29 | 华南农业大学 | Wheel carries out compound high-clearance ratooning rice harvester |
| CN115413488A (en) * | 2022-07-28 | 2022-12-02 | 农业农村部南京农业机械化研究所 | Conveying device of agricultural combine harvester |
| CN115413488B (en) * | 2022-07-28 | 2024-01-19 | 农业农村部南京农业机械化研究所 | Conveying device of agricultural combine harvester |
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| Publication number | Publication date |
|---|---|
| CN103332230B (en) | 2016-02-17 |
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