CN201457505U - Travelling device of tractor - Google Patents
Travelling device of tractor Download PDFInfo
- Publication number
- CN201457505U CN201457505U CN2009201052614U CN200920105261U CN201457505U CN 201457505 U CN201457505 U CN 201457505U CN 2009201052614 U CN2009201052614 U CN 2009201052614U CN 200920105261 U CN200920105261 U CN 200920105261U CN 201457505 U CN201457505 U CN 201457505U
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- China
- Prior art keywords
- wheel
- tractor
- trac
- roof support
- mobile roof
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a travelling device of a tractor, which comprises left and right crawler-type travelling units and structures arranged on the driving wheel axles inside the crawler-type travelling units respectively and connected with the rear wheel axles of the tractor, wherein connecting mechanisms are arranged on travel supports and connected with the driving wheel axles, so that the travel supports are connected with the driving wheel axles in the rotating manner and then are connected with the rear axle of the tractor; and the rotation centers of the connecting mechanisms are superposed to the rotation centers of the driving wheels. The left and the right driving wheels are fixed at the two ends of the rear axle of the tractor, so that the left and the right travel supports in the two crawler-type travelling units are symmetrically distributed relative to the longitudinal axis of the tractor. The travelling device is directly installed on the rear axle of the tractor, without the limitation of dimension of the rear axle housing, thereby ensuring strong versatility. The left and the right travel supports are symmetrically distributed relative to the longitudinal axis of the tractor, thereby ensuring the equal stresses on the left and the right half-axles of the tractor. The rubber crawler belts are adopted so as to reduce the sinking and slippage of the tractor and increase the traction efficiency of the tractor.
Description
Technical field
The utility model relates to a kind of running gear of trac..
Background technology
Wheel-tire tractor is in the paddy field, when wetland carries out mechanical work, because soil moisture content is higher, wheel-tire tractor maybe can not descend ground, or form darker rut during operation, also often skid, problem such as wheel clogging, cause the effect of trac. to be difficult to performance, simultaneously also havoc the physical structure of soil.In order to address the above problem, unique Running System is generally adopted in the home and abroad, and coupling integral rubber crawler belt or front and rear wheel all mate rubber belt track, the problem that replaces wheel-tire tractor to occur in the paddy field, during the wetland operation, this track type tractor all belongs to big-powered tractor, not only cost an arm and a leg, and degree of utilization is lower, is not suitable for the national conditions of China.The present medium-sized wheel-tire tractor that is essentially in the most of paddy field of China, wetland use, and use raised-tread tire to replace conventional tyre, but this mode can not effectively solve wheel-tire tractor in the paddy field, the problem that exists of wetland operation, therefore be badly in need of a kind of suitable wheel-tire tractor in the paddy field, the running gear of wetland operation.
The halftrack tractor running gear that MAE Northern's development is only arranged at present, the described preceding wheel apparatus bonded assembly in this running gear remains wheel type traveling mechanism.
Described back-wheel drive device is a cterpillar drive, it comprises mobile roof support, drive wheel, some caterpillar wheels, track adjusting wheel, endless track and tension wheel mechanism, on this mobile roof support, set firmly described caterpillar wheel and track adjusting wheel rotationally, be fixed on this mobile roof support between tension wheel in the described tension wheel mechanism and the described mobile roof support with having motion nargin, between tension wheel and this mobile roof support, take up member be set.Described endless track is set on described drive wheel, track adjusting wheel, caterpillar wheel and the tension wheel, and described drive wheel is meshed with endless track and constitutes the sprocket-type integrated structure.This mobile roof support be provided with trac. on the connecting element connection structure connecting, described connecting element is the wheel shaft housing on the trac., therefore, this mobile roof support is fixed on the trac. upper whorl axial shell.And the drive wheel in the cterpillar drive is to be connected with the trac. wheel shaft.
The mounting means of the running gear of this halftrack tractor on trac. is: the working direction with trac. is an example, the rear axle of drive wheel with the trac. left side can be connected, by pivot pin mobile roof support is connected with carrier housing on the trac., in like manner the crawler attachment on the trac. right side is identical with the left side connection mode.Two front-wheels of trac. are the same with the wheeled construction of prior art.
The described connection structure of back shaft housing bonded assembly with on the trac. that this mobile roof support is provided with can be: comprise the connecting device that connects firmly with trac. wheel shaft housing, on this connecting device, be provided with a pin shaft hole, on described mobile roof support, also be provided with a pin shaft hole, in these two pin shaft holes, wear bearing pin, make described mobile roof support and trac. wheel shaft housing constitute and articulate connection structure.
The above line walking apparatus can with the supporting use of Mount Taishan TS554.This device solves wheel-tire tractor skid, problem such as wheel clogging, drawbar efficiency are low, also have the interchangeability with tire, make wheel-tire tractor both can be in the paddy field, the wetland operation, can also carry out hauling operation, effectively improve the degree of utilization of trac..But also there is weak point in this running gear, mobile roof support in this running gear need be connected with the trac. carrier housing, because the trac. carrier housing oad difference of different brands causes this device not to be connected with the trac. of other brands, its commonality is very restricted.
The utility model content
The purpose of this utility model is to improve the commonality problem of prior art, on the basis of the running gear described in the background technology, provides a kind of half-track running gear of suitable wheel-tire tractor.It can be supporting with wheel-tire tractor, make wheel-tire tractor have the half-track running gear of the higher drawbar efficiency that the crawler-type traveling vehicle locates to have at wetland, paddy field etc., and can with the medium tractor of different brands particularly 50～80 horsepowers of section trac.s realize supporting.
The purpose of this utility model is achieved in that
It comprises the back-wheel drive device running gear of the trac. that the utility model provides, described back-wheel drive device be about two cterpillar drives, each described cterpillar drive comprises a walking support, a drive wheel, some caterpillar wheels, track adjusting wheel, endless track and tension wheel mechanism, on this mobile roof support, set firmly described caterpillar wheel and track adjusting wheel rotationally, described endless track is set on described drive wheel, track adjusting wheel, caterpillar wheel and the tension wheel, and described drive wheel is meshed with endless track and constitutes the sprocket-type integrated structure; Described live axle is provided with and trac. hind axle bonded assembly structure; Described mobile roof support is provided with and described live axle connection structure connecting, make this mobile roof support be rotatably connected on the live axle by this connection structure, then be connected on the described final output panel of trac., the center of gyration of described connection structure overlaps with the center of gyration line of described drive wheel.About be fixed on the two ends of trac. rear axle on two described cterpillar drives and the trac. final output reel coaxial line, left and right mobile roof support in two cterpillar drives is symmetrically distributed with respect to the longitudinal axis of trac., and described mobile roof support overlaps with the center of gyration line of described drive wheel, makes that the center of gyration of described mobile roof support and described final output reel are trac. rear axle concentric.
Particularly, described connection structure comprises a bearing arrangement, and it is arranged between described live axle and the mobile roof support.
Described bearing arrangement is: at described live axle is that two bearings are set on the bolster, and it is at interval with axle sleeve, and sheathed intrinsic stop washer and black nut on the termination of bolster make bearing axial restraint on bolster; Sleeve part on sheathed described mobile roof support on the described bearing, and realize the axial location of mobile roof support by the shaft shoulder on bearing and the bolster.
Described bolster is connected shaft part with described mobile roof support axial line overlaps, and makes the center of gyration and the described final output reel concentric of described mobile roof support.
The principle of work of this halftrack tractor walking is: connect two described drive wheels in two cterpillar drives on the back final output reel of trac., the drive drive wheel rotates, drive wheel ring-shaped rubber crawler belt, mobile roof support is fixed on the live axle, and this live axle also can be described as bolster.Under the combined action of tension wheel, caterpillar wheel, front/rear guide rail and track adjusting wheel, advance thereby drive trac..
The wheel rim of this track adjusting wheel by the centre of steel-tooth in the crawler belt, therefore, has the vibrations of alleviating rubber belt track just, can keep the path of motion of crawler belt simultaneously, thereby guarantees the ingear function of steel plate in drive wheel and the rubber belt track.
Described mobile roof support is that it is connected with drive wheel by bolster at last drift angle at the triangle truss structure mobile roof support that is horizontal down for one of them side rod.Also comprise guide rail on this mobile roof support, this guide rail is arranged on descending on the horizontal side rod of triangle truss structure mobile roof support.
This guide rail can have two: two guide rails are installed in descending on the horizontal side rod of triangle truss structure mobile roof support in tandem, form former rail and rear rail, it is installed on the described mobile roof support, the two ends of each described guide rail are positioned on the both sides of the edge of described crawler belt, can effectively stop the crawler belt sideslip.Described caterpillar wheel is four.
Above-mentioned triangle truss structure mobile roof support structure decrease the deflection of truss, can increase simultaneously the stability of complete machine, simultaneously, because pin-jointed structure is arranged on the drift angle of triangle truss, can increase the rotational angle around live axle of this half-track running gear, it is more flexible just can to make it running by so simple structure.
The running gear of the trac. that the utility model provides has following advantage: because the mobile roof support of this running gear is finally exported on the reel after being directly installed on trac., be not subjected to the restriction of the carrier housing oad of trac., having stronger commonality. the longitudinal axis of left and right mobile roof support and trac. is symmetrically distributed, and has guaranteed that left and right two semiaxis of trac. are stressed identical; Owing to adopt rubber belt track, increased and ground-surface area of contact, thereby reduced the sagging degree of depth of trac., reduced the rate of skidding of trac., having improved the drawbar efficiency of trac.. this running gear can exchange with tire and use simultaneously, when not carrying out paddy field, wetland operation, tire can be installed again carry out hauling operation, and then improve the degree of utilization of trac..
Description of drawings
The cterpillar drive that Fig. 1 provides for the utility model is installed in the structural representation on the rear axle of trac., and figure is the structural representation of the direction that looks forward from the trac. rear portion;
Fig. 2 is that the A of the cterpillar drive shown in Fig. 1 is to structural representation;
Fig. 3 is that the B of the cterpillar drive shown in Fig. 1 is to structural representation;
Fig. 4 is the sectional structure scheme drawing of the cterpillar drive part shown in Fig. 1.
The specific embodiment
On the basis of wheel-tire tractor, front-wheel adopts tire, and trailing wheel adopts cterpillar drive, and on overall structure, this running gear is symmetrically distributed with the vertical central axis of trac..This running gear is mainly by forming with lower member: caterpillar wheel 1, right tension wheel 2, left tension wheel 3, ring-shaped rubber crawler belt 4, right stretching device 5, left stretching device 29, right lateral are walked support 6, track adjusting wheel 7, bolster 12, drive wheel 25, guide rail 31, left lateral and are walked main portions such as support 32 and form.As Fig. 1, Fig. 2, shown in Figure 3.
Described back-wheel drive device is a cterpillar drive, and about it can be divided into two kinds, it is symmetrical structure.Running gear with the left side is an example, as shown in Figure 3.Described cterpillar drive comprises mobile roof support 32, also have drive wheel 25, some caterpillar wheels 1, track adjusting wheel 7, endless track 4 and tension wheel mechanism 29, on this mobile roof support 32, set firmly caterpillar wheel 1 and track adjusting wheel 7 rotationally, tension wheel 3 is fixed in the tension wheel mechanism 29 with having motion nargin, tension wheel mechanism 29 is fixed on the mobile roof support 32, endless track 4 is set on drive wheel 25, track adjusting wheel 7, caterpillar wheel 4 and the tension wheel 3, and drive wheel 25 is meshed with endless track 4 and constitutes the sprocket-type integrated structure;
Set firmly the coaxial bonded assembly structure of the promptly final output reel of connecting element that is used for trac. on the live axle in the described cterpillar drive, as shown in Figure 4, it is a tie bolt, with final output reel on the rear axle 33 and live axle coaxial line be fixed together.Be provided with bearing arrangement on mobile roof support 32, it is set in live axle is on the bolster 12.
Concrete, shown in Fig. 1,4, drive wheel 25 is fixed on this bolster 12, on this bolster 12 and drive wheel 25 bolt hole is set, and by bolt 8, nut 9 bolster 12, drive wheel 25 is directly connected on the final output reel of trac. rear axle 33.
As shown in Figure 4, two bearings 14 are set on bolster 12, it is at interval with axle sleeve 16, and sheathed intrinsic stop washer 20 and black nut 21 on the termination of bolster 12 make bearing axial restraint on bolster.Sleeve part on sheathed mobile roof support 32 on the bearing 14, and realize the axial location of mobile roof support 32 by bearing 14 and the shaft shoulder.On the port of sleeve part end cap is set, between end cap and sleeve part seal ring is set, end cap is fixed on the port of sleeve part by screw 17.
The center of gyration of described mobile roof support is that bolster 12 axial lines overlap with live axle, can make the center of gyration of mobile roof support and the rear axle 33 or the described final output reel concentric of trac..And the center of gyration of mobile roof support is realized rotating by bearing, to adapt to the walking of uneven ground.
The left and right mobile roof support 32,6 in two cterpillar drives and the longitudinal axis of trac. rear axle are symmetrically distributed.With the left row walking apparatus correspondingly, the right side running gear comprises that caterpillar wheel 1, right tension wheel 2, ring-shaped rubber crawler belt 4, right stretching device 5, right lateral walk parts such as support 6, track adjusting wheel 7, bolster 12, drive wheel 25, guide rail 31, and its connection structure is identical with the left row walking apparatus.
Because this device presents symmetrical distribution with trac. longitudinal center axis, the left row walking apparatus with trac. is that example is described the installation situation of this running gear on trac. below.Unload the tire of wheel-tire tractor, just running gear can be connected with final output reel on the trac. rear axle 33 by bolt 8, nut 9.Ring-shaped rubber crawler belt 4 ring sets are on drive wheel 25, track adjusting wheel 7, caterpillar wheel 1 and left tension wheel 3.Caterpillar wheel 1, track adjusting wheel 7, left tension wheel 3, guide rail 31 and left stretching device 29 are all walked support 32 with left lateral and are connected.Left lateral is walked support 32 and is with the frame difference of the applicant in the halftrack tractor running gear of first to file, mobile roof support is not fixed on the carrier housing of trac., but is that bolster 12 is fixed on (shown in Figure 4) on the trac. rear axle 33 directly by drive wheel by bindiny mechanism.Can realize that like this trac. drives drive wheel 25 and rotates, bolster 12 location and supporting left lateral are walked support 32.Rotate and prevent that left lateral from walking moving axially of support 32 for making bolster walk support, two bearings 14 are installed on bolster 12 with respect to left lateral, and the location of realizing two bearings 14 by the shaft shoulder and axle sleeve 16.It is fastening to use black nut 21 and locked spacer 20 to carry out at the end of bolster 12, has guaranteed that left lateral walks the location of support 32 on bolster 12.
Power transmission mode is: trac. rear axle 33 drives running wheel 25, and then drives annular rubber belt track 4, under the effect of left frame 32, caterpillar wheel 1, track adjusting wheel 7, left tension wheel 3, thus the rotation of realization rubber belt track 4.The running gear on trac. right side is identical with the design in left side, therefore about under the effect of two ring-shaped rubber crawler belts 4, realize the walking of trac..
This running gear has following advantage: the longitudinal axis of left and right mobile roof support and tractor is symmetrical, has guaranteed that left and right two semiaxis of tractor are stressed identical; Owing to adopt rubber belt track, increase the contact area with ground, thereby reduced the sagging degree of depth of tractor, reduced the rate of skidding of tractor, improved the propulsive efficiency of tractor. Because this running gear is directly installed on tractor and finally exports on the reel, is not subjected to the restriction of the rear axle housing appearance and size of tractor, has stronger versatility. Simultaneously this running gear can with the tire Alternate, when not carrying out paddy field, wetland operation, mounting tyre carries out hauling operation again, and then has improved the utilization rate of tractor.
Claims (3)
1. the running gear of a trac., it is characterized in that: comprise the back-wheel drive device, described back-wheel drive device be about two cterpillar drives, each described cterpillar drive comprises a walking support, a drive wheel, some caterpillar wheels, track adjusting wheel, endless track and tension wheel mechanism, on this mobile roof support, set firmly described caterpillar wheel and track adjusting wheel rotationally, described endless track is set on described drive wheel, track adjusting wheel, caterpillar wheel and the tension wheel, and described drive wheel is meshed with endless track and constitutes the sprocket-type integrated structure; Described live axle is provided with and trac. hind axle bonded assembly structure; Described mobile roof support is provided with and described live axle connection structure connecting, make this mobile roof support be rotatably connected on the live axle by this connection structure, then be connected on the described final output panel of trac., the center of gyration of described connecting device overlaps with the center of gyration line of described drive wheel.
2. the running gear of trac. according to claim 1, it is characterized in that: described connection structure comprises a bearing arrangement, it is arranged between described live axle and the mobile roof support.
3. the running gear of trac. according to claim 2, it is characterized in that: described bearing arrangement is: at described live axle is that two bearings are set on the bolster, it is at interval with axle sleeve, sheathed intrinsic stop washer and black nut on the termination of bolster make bearing axial restraint on bolster; Sleeve part on sheathed described mobile roof support on the described bearing, and realize the axial location of mobile roof support by the shaft shoulder on bearing and the bolster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201052614U CN201457505U (en) | 2009-01-19 | 2009-01-19 | Travelling device of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201052614U CN201457505U (en) | 2009-01-19 | 2009-01-19 | Travelling device of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201457505U true CN201457505U (en) | 2010-05-12 |
Family
ID=42384859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201052614U Expired - Fee Related CN201457505U (en) | 2009-01-19 | 2009-01-19 | Travelling device of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201457505U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979029A (en) * | 2014-05-26 | 2014-08-13 | 黑龙江红兴隆机械制造有限公司 | Rubber semi-track walking device of combine harvester |
| CN104228988A (en) * | 2014-08-25 | 2014-12-24 | 姚铭浪 | Walking frame of transportation machine |
| CN105752178A (en) * | 2016-03-30 | 2016-07-13 | 重庆鑫源农机股份有限公司 | Half-track tractor |
| CN107963136A (en) * | 2017-12-09 | 2018-04-27 | 无锡松田豹机械科技有限公司 | Rotary cultivator traveling crawler transmission system |
| CN108791554A (en) * | 2018-07-19 | 2018-11-13 | 湖北聚注通用技术研究有限公司 | A kind of meal delivery robot |
| CN112706846A (en) * | 2021-01-26 | 2021-04-27 | 嘉兴泰特橡胶有限公司 | Triangular speed-increasing chassis and working vehicle |
-
2009
- 2009-01-19 CN CN2009201052614U patent/CN201457505U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979029A (en) * | 2014-05-26 | 2014-08-13 | 黑龙江红兴隆机械制造有限公司 | Rubber semi-track walking device of combine harvester |
| CN104228988A (en) * | 2014-08-25 | 2014-12-24 | 姚铭浪 | Walking frame of transportation machine |
| CN105752178A (en) * | 2016-03-30 | 2016-07-13 | 重庆鑫源农机股份有限公司 | Half-track tractor |
| CN107963136A (en) * | 2017-12-09 | 2018-04-27 | 无锡松田豹机械科技有限公司 | Rotary cultivator traveling crawler transmission system |
| CN108791554A (en) * | 2018-07-19 | 2018-11-13 | 湖北聚注通用技术研究有限公司 | A kind of meal delivery robot |
| CN112706846A (en) * | 2021-01-26 | 2021-04-27 | 嘉兴泰特橡胶有限公司 | Triangular speed-increasing chassis and working vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: THE MENOBLE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: MAE NORTHERN CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100083 box 68, North Beach, Desheng Dong gate, Beijing, Chaoyang District Patentee after: MAE Northern Co., Ltd. Address before: 100083 box 68, North Beach, Desheng Dong gate, Beijing, Chaoyang District Patentee before: Beifang (Beijing) Farm Machinery Co., Ltd., Modern Farm Equipment |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20140119 |