CN203381697U - Triangular crawler belt travelling mechanism for tractor - Google Patents
Triangular crawler belt travelling mechanism for tractor Download PDFInfo
- Publication number
- CN203381697U CN203381697U CN201320408647.9U CN201320408647U CN203381697U CN 203381697 U CN203381697 U CN 203381697U CN 201320408647 U CN201320408647 U CN 201320408647U CN 203381697 U CN203381697 U CN 203381697U
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- China
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- slide block
- crawler belt
- trapezoid
- regulating mechanism
- wheel
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Abstract
The utility model provides a triangular crawler belt travelling mechanism for a tractor, and relates to the field of agricultural machinery. The triangular crawler belt travelling mechanism comprises a driving wheel, travelling wheels, guide wheels, a trapezoid support and a crawler belt, wherein the driving wheel and the travelling wheels are arranged at the upper part and the lower part of the trapezoid support respectively; the guide wheels are arranged at two ends of the lower part of the trapezoid support; and the crawler belt surrounds the driving wheel, the guide wheels and the travelling wheels to rotate, so that the triangular crawler belt is formed. The triangular crawler belt travelling mechanism for the tractor has the characteristics as follows: the ground clearances are high, the stability is good, the crawler belt is narrow, and few seedlings are pressed in a paddy field. The driving wheel is arranged at a high position, the vertical load which is directly transferred to the driving wheel by the ground is eliminated, the impact on the driving wheel is reduced, the service life is prolonged, and the stability is increased.
Description
Technical field
The utility model relates to the agricultural machinery field, is specifically related to the triangle creeper undercarriage in a kind of trac..
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, efficiency is low, quality is subject to artificial sense of responsibility, walking and manual degree of uniformity variable effect larger; and labour intensity is large; the safety misadventures such as easy generation is poisoning, heatstroke, be not suitable with 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 more greatly easily sagging clayed soil field operation.Moreover the ground gap is lower, also be not suitable with Later Stage of Rice and long-stalked crop operation.
Summary of the invention
The purpose of this utility model is to provide the triangle creeper undercarriage in a kind of trac., has high-clearance, good stability, crawler width is narrow, has eliminated ground and has been directly delivered to the vertical load on drive wheel, has alleviated the impact to drive wheel, improve service life, increased stability.
The purpose of this utility model adopts following technical scheme to realize:
Trac. intermediate cam creeper undercarriage, comprise drive wheel, road wheel, also comprise track adjusting wheel, trapezoid support and crawler belt, described drive wheel and road wheel are located at respectively the above and below of trapezoid support, track adjusting wheel is located at two ends, trapezoid support below, and described crawler belt forms the crawler haulage of triangle round drive wheel, track adjusting wheel and road wheel.
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 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 to symmetrical two ends, described trapezoid support below by a supporting regulating mechanism respectively, between two supporting regulating mechanisms, by the tensioning regulating mechanism, connects.
Described supporting regulating mechanism comprises slide block and slide block folder, two described slide blocks symmetry respectively are connected to symmetrical two ends, described trapezoid support below, each slide block is provided with waist shaped hole, and by this waist shaped hole, at both sides difference connection sliding block folder, 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 that is 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 screw jacket precession cover, and end is pressed on the face of cylinder of setting nut; Described tensioning regulating mechanism is connected with the slide block folder in the supporting regulating mechanism at two ends, trapezoid support below respectively by screw jacket and screw rod corresponding end.
Beneficial effect:
Triangle creeper undercarriage in the utility model trac., be connected the drive wheel of triangle creeper undercarriage during use with half shaft.Drive wheel in the triangle creeper undercarriage is high to be put, and therefore has high-clearance, up to 0.9～1m.Ground contact length is long, can reach 1.1～1.2m, the facility good stability.Crawler width is narrow, in paddy field, presses seedling few.Train is connected with half shaft, vehicle frame by trapezoid support, has eliminated ground and has been directly delivered to the vertical load on drive wheel, has alleviated the impact to drive wheel, improves service life.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, directly adopt the circular arc that radius is 60mm to replace, and reduce manufacturing cost.
The accompanying drawing explanation
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 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 block folders, 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 are regulated in 71 tensionings, 72 bearing pins.
The specific embodiment
In conjunction with Fig. 1-6, be applied as example with the triangle creeper undercarriage in trac., the utility model is described.
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 respectively trapezoid support 2 two ends, below, and crawler belt 3 forms the crawler haulage of triangle round drive wheel 1, track adjusting wheel 4 and road wheel 9.Trapezoid support 2 is connected with frame 61 by nuts and bolt.The material of crawler belt is selected rubber.
Annexation between drive wheel and inside and outside bearing unit specifically 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 is placed in inner pedestal 32, and neck bearing support sleeve 24 is bearing in 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, in neck bearing support sleeve 24 and outer bearing carrier 31 hole concentricitys, when inconsistent, still can work, setting accuracy is less demanding.The external support unit comprises that the second bearing 28, outer bearing carrier 31, the second bearings are placed in outer bearing carrier.The second bearing is preferably antifriction-bearing box.Inner pedestal 32 and outer bearing carrier 31 are connected on trapezoid support 2.Half shaft 21 is through neck bearing support sleeve 24, and axial end portion is supported on outer bearing carrier 31 by the second bearing 28, corresponding to neck bearing support sleeve 24 parts, by clutch shaft bearing 25, is supported on inner pedestal 32.Drive wheel 27 is connected on the half shaft 21 between inside and outside bearing seat.Half shaft 21 is comprised of the first axle part and the second axle part, described the first axle part comprises the first mandrel 34 and is connected to the terminal pad 35 of the first mandrel end, described the second axle part comprises the second mandrel 30 and is connected to the terminal pad 35 of the second mandrel end, the first mandrel is longer than the second mandrel, terminal pad 35 on two mandrels is relative, drive wheel 27 is placed between two terminal pads 35, by the attaching parts coaxial line, connects first, second axle part and drive wheel 27.
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 neck bearing support sleeve 24, position-limited lever is located on trapezoid support 2 or 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 described neutral.
The more excellent design of trapezoid support is as Fig. 4, trapezoid support 2 comprises vertical supporting rod 43, inclined support bar 42 and the bearing seat support plate 41 be parallel to each other and crossbeam 44, vertical supporting rod 43 is connected on the center between bearing seat support plate 41 and 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 crossbeam 44.
In preferred scheme, track adjusting wheel has two, is connected to symmetrical two ends, trapezoid support 2 belows by a supporting regulating mechanism respectively, between two supporting regulating mechanisms, by tensioning regulating mechanism 7, connects.
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 to symmetrical two ends, described trapezoid support 2 belows, each slide block 6 is provided with waist shaped hole 65, by this waist shaped hole 65, at both sides difference connection sliding block folder 8, slide block folder 8 is regulated by waist shaped hole 65 with the connection location of slide block 6.Each slide block folder 8 one end is provided with U-lag 81, and track adjusting wheel 4 is bearing on 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 that is less than screw jacket 52 1 end internal diameters, screw rod 55 is rotatably connected in setting nut 54, the face of cylinder end of setting nut 54 stretches into the corresponding end of screw jacket 52, at least one lock bolt 53 is along in screw jacket 52 precession covers, and end is pressed on the face of cylinder of setting nut 54; The tensioning regulating mechanism is connected by bearing pin 72 with the slide block folder 46 in the supporting regulating mechanism at trapezoid support 2 two ends, below respectively by screw jacket 52 and screw rod 55 corresponding end.
The utility model triangle creeper undercarriage is connected on the half shaft between inside and outside bearing unit, motor drives drive wheel by half shaft and rotates, by the gear teeth on drive wheel and the engagement between crawler belt, the crawler belt slack list constantly enters engagement, pilled-in selvedge is constantly thrown off engagement, the part crawler belt contacted with ground is due to the effect that is subject to friction force, and crawler belt is subject to the ground effect of antagonistic force forward, namely trac. propulsive effort to overtake.When propulsive effort is enough to overcome resistance to motion, road wheel rolls in internal track surfaces, makes trac. to overtake.The utility model triangle creeper undercarriage, put drive wheel is high, therefore has high-clearance, and ground contact length is long, the characteristics of good stability.Crawler width is narrow, in paddy field, presses seedling few.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 can swing when running into obstacle, 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, in neck bearing support sleeve and outer bearing carrier hole concentricity, when inconsistent, still can work, 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 the vertical load on drive wheel, has alleviated the impact to drive wheel, improves service life.Adopt adapter sleeve linkage triangle creeper undercarriage 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, directly adopt the circular arc that radius is 60mm to replace, and reduce manufacturing cost.
Claims (5)
1. the triangle creeper undercarriage in trac., comprise drive wheel, road wheel, characterized by further comprising track adjusting wheel, trapezoid support and crawler belt, described drive wheel and road wheel are located at respectively the above and below of trapezoid support, track adjusting wheel is located at two ends, trapezoid support below, and described crawler belt forms the crawler haulage of triangle round drive wheel, track adjusting wheel and road wheel.
2. the triangle creeper undercarriage in trac. according to claim 1, 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 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.
3. the triangle creeper undercarriage in trac. according to claim 2, it is characterized in that: described track adjusting wheel has two, be connected to symmetrical two ends, described trapezoid support below by a supporting regulating mechanism respectively, connect by the tensioning regulating mechanism between two supporting regulating mechanisms.
4. the triangle creeper undercarriage in trac. according to claim 3, it is characterized in that: described supporting regulating mechanism comprises slide block and slide block folder, two described slide blocks symmetry respectively are connected to symmetrical two ends, described trapezoid support below, each slide block is provided with waist shaped hole, by this waist shaped hole, at both sides difference connection sliding block folder, 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.
5. the triangle creeper undercarriage in trac. according to claim 4, 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 that is 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 screw jacket precession cover, and end is pressed on the face of cylinder of setting nut; Described tensioning regulating mechanism is connected with the 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 |
|---|---|---|---|
| CN201320408647.9U CN203381697U (en) | 2013-07-10 | 2013-07-10 | Triangular crawler belt travelling mechanism for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408647.9U CN203381697U (en) | 2013-07-10 | 2013-07-10 | Triangular crawler belt travelling mechanism for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203381697U true CN203381697U (en) | 2014-01-08 |
Family
ID=49870217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320408647.9U Expired - Lifetime CN203381697U (en) | 2013-07-10 | 2013-07-10 | Triangular crawler belt travelling mechanism for tractor |
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| Country | Link |
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| CN (1) | CN203381697U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332228A (en) * | 2013-07-10 | 2013-10-02 | 江苏省农垦农业发展股份有限公司 | Triangular crawler belt walking mechanism of tractor |
| CN106114596A (en) * | 2016-08-10 | 2016-11-16 | 杭州电子科技大学 | Track type climbing-building floor truck stabilized walking mechanism |
| CN107428382A (en) * | 2015-02-18 | 2017-12-01 | Ati股份有限公司 | Track module device with the load distribution scheme unrelated with load |
| CN107531294A (en) * | 2015-02-18 | 2018-01-02 | Ati股份有限公司 | Track module bogie suspension systems |
| CN108045447A (en) * | 2017-12-08 | 2018-05-18 | 铜陵汇宇实业有限公司 | A kind of track takeup |
| CN108100063A (en) * | 2018-02-02 | 2018-06-01 | 福建（泉州）哈工大工程技术研究院 | A kind of replaceable rubber belt track wheel of inverted trapezoidal suitable for short wheelbase mobile chassis |
| CN108725611A (en) * | 2018-06-22 | 2018-11-02 | 北京交通大学 | A kind of novel crawler-type obstacle detouring mobile system |
-
2013
- 2013-07-10 CN CN201320408647.9U patent/CN203381697U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332228A (en) * | 2013-07-10 | 2013-10-02 | 江苏省农垦农业发展股份有限公司 | Triangular crawler belt walking mechanism of tractor |
| CN103332228B (en) * | 2013-07-10 | 2016-08-10 | 江苏省农垦农业发展股份有限公司 | Triangle creeper undercarriage in tractor |
| CN107428382A (en) * | 2015-02-18 | 2017-12-01 | Ati股份有限公司 | Track module device with the load distribution scheme unrelated with load |
| CN107531294A (en) * | 2015-02-18 | 2018-01-02 | Ati股份有限公司 | Track module bogie suspension systems |
| CN107428382B (en) * | 2015-02-18 | 2020-04-07 | Ati股份有限公司 | Track-module apparatus with load-independent load distribution scheme |
| CN107531294B (en) * | 2015-02-18 | 2020-07-07 | Ati股份有限公司 | Track module bogie suspension system |
| CN106114596A (en) * | 2016-08-10 | 2016-11-16 | 杭州电子科技大学 | Track type climbing-building floor truck stabilized walking mechanism |
| CN106114596B (en) * | 2016-08-10 | 2018-12-14 | 杭州电子科技大学 | Track type climbing-building floor truck stabilized walking mechanism |
| CN108045447A (en) * | 2017-12-08 | 2018-05-18 | 铜陵汇宇实业有限公司 | A kind of track takeup |
| CN108045447B (en) * | 2017-12-08 | 2020-12-04 | 铜陵汇宇实业有限公司 | Track tensioning device |
| CN108100063A (en) * | 2018-02-02 | 2018-06-01 | 福建（泉州）哈工大工程技术研究院 | A kind of replaceable rubber belt track wheel of inverted trapezoidal suitable for short wheelbase mobile chassis |
| CN108725611A (en) * | 2018-06-22 | 2018-11-02 | 北京交通大学 | A kind of novel crawler-type obstacle detouring mobile system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
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| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 28, 2023, the expiration and termination of the 39-volume 3002 patent Number: 30-02 Volume: 39 |
|
| CU01 | Correction of utility model |