CN201563358U - Self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery - Google Patents
Self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery Download PDFInfo
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- CN201563358U CN201563358U CN2009202637339U CN200920263733U CN201563358U CN 201563358 U CN201563358 U CN 201563358U CN 2009202637339 U CN2009202637339 U CN 2009202637339U CN 200920263733 U CN200920263733 U CN 200920263733U CN 201563358 U CN201563358 U CN 201563358U
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Abstract
The utility model discloses a self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery, which includes an underframe, a front wheel and a back wheel (4) arranged below the underframe, a steering system used for driving the wheels to steer, a hydraulic transmission system arranged on the underframe and used for driving the wheels to rotate, and an engine thereof (12); the underframe includes a triangle framework (10) and a front axle lever (6); the two ends of one cross-bar (15) of the triangle framework (10) are provided with the back wheel (4); the two ends of the front axle lever (6) are provided with the front wheel (4); and the top part of the triangle framework (10) relative to the cross-bar (15) is connected with the middle part of the front axle lever (6) in a rotating way. The self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery has the advantages of simple structure, stable performance and high cost performance.
Description
Technical field
The utility model belongs to agricultural mechanical field, the light-duty agricultural machinery self-propelled chassis of especially a kind of hydraulic pressure rear wheel drive.
Background technology
China is with a varied topography, and physical features Xi Gaodong is low, and mountain region, plateau and hills account for 2/3 of national land area.The farm machinery kind in existing at present adaptation mountain area seldom, engineering reliability is poor, mechanical property, unstable product quality, and the facility cost performance is low, the ability that the peasant buys farm machinery and payment agricultural machinery working service charge is low, has seriously restricted the development of mountain region farming mechanization.Therefore, exploitation adapts to the light-duty farm machinery in paddy field and mountain area, particularly research and development make things convenient for the light-duty agricultural machinery self-propelled chassis of rural area maintaining, and to the mechanization of development mountain region farming, the quickening hill farmer increases income shakes off poverty, promotes the mountain region farming expanding economy that important practical sense is arranged.
The carrier frame of the prior art structure that mostly is square, and it is difficult to adapt to rugged hill path when walking in the mountain region, caused very big influence for the stability of chassis performance.
The utility model content
At the shortcoming of prior art, the purpose of this utility model provides a kind of simple in structure, stable performance, the light-duty agricultural machinery self-propelled chassis of hydraulic pressure rear wheel drive that cost performance is high.
For achieving the above object, the technical solution of the utility model is: the light-duty agricultural machinery self-propelled chassis of a kind of hydraulic pressure rear wheel drive, comprise underframe, be located at front and back wheel under the underframe, be used to drive wheel steering steering, be located on the underframe and be used to drive Hydraulic Power Transmission System and the engine thereof that wheel rotates, this underframe comprises triangular truss and propons bar, this rear wheel is equipped with at the two ends of one cross bar of this triangular truss, this front vehicle wheel is equipped with at the two ends of this propons bar, and this triangular truss top relative with this cross bar and the middle part of propons bar are rotationally connected.
The top of this triangular truss is rotationally connected by a connecting axle and the axle bed of being located at propons bar middle part.
This steering comprises axle, steering wheel lower shaft, steering gear and knuckle on steering wheel, the steering wheel, and this steering wheel is connected with the propons bar by axle, steering wheel lower shaft, steering gear on the steering wheel successively, and the two ends of propons bar are connected with front vehicle wheel by knuckle.
This Hydraulic Power Transmission System comprises first, second motor that is respectively applied for transmission two rear wheels.
This Hydraulic Power Transmission System also comprises hydraulic oil container, pump, overflow valve, magnetic valve, cross valve, high-pressure ball valve, oil circuit buffer, the power shaft of this pump is connected with the output shaft of engine, the output shaft of this pump connects overflow valve, the a end that is connected to cross valve of the input and first output by first magnetic valve also, the c end and the d end of cross valve also are connected to the oil circuit buffer respectively, the c end is connected to the d end by first motor and first high-pressure ball valve, the c end also is connected to the d end by second motor and second high-pressure ball valve, and this pump also is connected with hydraulic oil container.
Also be provided with the hanging plate that is used to articulate various farm machinery on the cross bar of this triangular truss, and this Hydraulic Power Transmission System includes provides three motor of power to various farm machinery, choke valve, check valve, the limit switch that is used to control the hoist cylinder of farm machinery lifting and is used to control hoist cylinder, one end of the 3rd motor is connected to a end of cross valve by first check valve, the other end is connected with second output of first magnetic valve, the b end of cross valve connects the input of second magnetic valve, and first output of second magnetic valve is by second check valve, hoist cylinder and choke valve are connected to second output of second magnetic valve.
This triangular truss is inserted in by the bent plate perforate by three steel pipes and is welded.Be mutually 60 ° in twos between three steel pipes of this triangular truss.
The utility model has following advantage and effect with respect to prior art:
(1) adopt engine to combine, simplified power and transmission system with Hydraulic Power Transmission System, and can realize the chassis advance, retreat, turn to functions such as differential and braking;
(2) Hydraulic Power Transmission System on chassis can realize that a pump drives the function of the walking of two wheel motor differentials, synchronous dynamic output and hoist cylinder lifting simultaneously;
(3) the oil circuit buffer has been installed in Hydraulic Power Transmission System, has been reduced the impact that the chassis produces in the change procedure in working order effectively;
(4) triangular truss uses three steel pipe ways of connecting, under the situation that guarantees stability under loading, has simplified the structure of vehicle frame;
(5) connected mode of triangular truss adopts the bent plate perforate to be inserted in welding manner, improves the intensity of tie point;
(6) the propons bar can wide-angle free floating, guaranteed that effectively the four wheels on chassis all can land on different ground, guarantee that the chassis is stable to travel.
Description of drawings
Fig. 1 is the structural representation of the light-duty agricultural machinery self-propelled chassis of the utility model hydraulic pressure rear wheel drive;
Fig. 2 is the structural representation at this Fig. 1 chassis front end position;
Fig. 3 is the structural representation of triangular truss;
Fig. 4 is the theory diagram of Hydraulic Power Transmission System.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figure 1 to Figure 3, the light-duty agricultural machinery self-propelled chassis of a kind of hydraulic pressure rear wheel drive, comprise underframe, be located at the front and back wheel 4 under the underframe, be used to drive the steering of wheel steering, be located on the underframe and be used to drive Hydraulic Power Transmission System and the engine 12 thereof that wheel rotates, wherein, this underframe comprises triangular truss 10 and propons bar 6, this rear wheel 4 is equipped with at the two ends of one cross bar 15 of this triangular truss 10, this front vehicle wheel 4 is equipped with at the two ends of this propons bar 6, and the top that this triangular truss 10 and this cross bar 15 are relative and the middle part of propons bar 6 are rotationally connected, and realize floating of propons bar 6.Particularly, this chassis also comprises to hydraulic pressure transmission system and engine 12 provides the petrol tank 13 of the energy and is located at seat 14 on the underframe.
The top of this triangular truss 10 is rotationally connected by a connecting axle and the axle bed of being located at propons bar 6 middle parts.This triangular truss 10 is inserted in by the bent plate perforate by three steel pipes and is welded, rather than the conventional direct welding manner of employing, when guaranteeing stability under loading, can better control the precision and the convenient intensity of welding, also having improved tie point simultaneously of welding.Be mutually 60 ° in twos between three steel pipes of this triangular truss 10.
This steering comprises axle 2, steering wheel lower shaft 3, steering gear 5 and knuckle 19 on steering wheel 1, the steering wheel, this steering wheel 1 is connected with propons bar 6 by axle 2, steering wheel lower shaft 3, steering gear 5 on the steering wheel successively, and the two ends of propons bar 6 are connected with front vehicle wheel 4 by knuckle 19.
This chassis also comprises first, second pull bar 16,17, steering gear 18, and these first pull bar, 16 1 ends link to each other with left steering joint 19, and the other end links to each other with steering gear 18, and this second pull bar, one end links to each other with the knuckle 19 on the left side, and the other end links to each other with right turn joint 19.
This Hydraulic Power Transmission System comprises first, second motor 11 that is respectively applied for transmission two rear wheels 4.The two ends, the left and right sides of this triangular truss 10 are provided with the installing plate that is used to install first, second motor 11.
As shown in Figure 4, this Hydraulic Power Transmission System also comprises hydraulic oil container 7, pump 8, overflow valve 21, magnetic valve, cross valve 23, high-pressure ball valve 25, oil circuit buffer 24, the power shaft of this pump 8 is connected with the output shaft of engine 12, the output shaft of this pump 8 connects overflow valve 21, the a end that is connected to cross valve 23 of the input and first output by first magnetic valve 22 also, the c end and the d end of cross valve 23 also are connected to oil circuit buffer 24 respectively, the c end is connected to the d end by first motor 11 and first high-pressure ball valve 25, the c end also is connected to the d end by second motor 11 and second high-pressure ball valve 25, and this pump 8 also is connected with hydraulic oil container 7.The power take-off of engine 12 is connected with the power shaft of pump 8, and to Hydraulic Power Transmission System, CD-ROM drive motor 11 is realized the walking on chassis with the transmission of power of engine 12.
Adopt the be connected in parallel drive system of mode of a pump double motor can realize actions such as the advancing, turn to differential, retreat of chassis, parking.Cross valve 23 in the system is the 3-position 4-way hand-operated direction valve, is used to control advancing, retreat, stopping of chassis, and when it was positioned at meta, the chassis was in dead ship condition; When it was positioned at position, a left side, the chassis was in forward travel state; When it was positioned at right position, the chassis was in fallback state.The c of this cross valve 23 end and d end are connected with oil circuit buffer 24 respectively, reduce the impact that the chassis produces in the change procedure in working order.High-pressure ball valve 25 also is connected with the manual ball valve control lever of stirring, its speed of travel on diverse location controlled chassis, single-wheel speed and realization braking.
Also be provided with the hanging plate 9 that is used to articulate various farm machinery on the cross bar 15 of this triangular truss 10, and this Hydraulic Power Transmission System includes provides three motor 20 of power to various farm machinery, choke valve 29, check valve, the limit switch 30 that is used to control the hoist cylinder 28 of farm machinery lifting and is used to control hoist cylinder 28, one end of the 3rd motor 20 is connected to a end of cross valve 23 by first check valve 31, the other end is connected with second output of first magnetic valve 22, the b end of cross valve 23 connects the input of second magnetic valve 26, and first output of second magnetic valve 26 is by second check valve 27, hoist cylinder 28 and choke valve 29 are connected to second output of second magnetic valve 26.Hanging plate 9 is by on the cross bar 15 that is fixedly welded on this triangular truss 10; This first, second magnetic valve 22,26 is a two-position three way magnetic valve.
When second magnetic valve 26 a when position left side in the drawings, open choke valve 29, hoist cylinder 28 slowly descends under the action of gravity of farm machinery, and the aperture of control choke valve 29 can be controlled the speed of decline; When second magnetic valve 26 during in right position, close choke valve 29, hoist cylinder 28 rises, and when arriving the precalculated position, second magnetic valve 22 is gone back to position, a left side, and adjustable height can keep.Limit switch 30 returns back to position, a left side after making 26 outages of second magnetic valve when hoist cylinder 28 rises to the extreme higher position, and hoist cylinder 28 stops to rise automatically.
When first magnetic valve 22 was arranged in position, a figure left side, first, second motor 11 of Hydraulic Power Transmission System started, thereby can realize that the Hydraulic Power Transmission System output speed and the chassis speed of travel are complementary.When first magnetic valve 22 was positioned at right position, first, second motor 11 stopped, and this moment, system did not work.System's fluid impact motor when check valve can prevent from not work in system.
Claims (8)
1. light-duty agricultural machinery self-propelled chassis of hydraulic pressure rear wheel drive, comprise underframe, be located at the front and back wheel (4) under the underframe, be used to drive the steering of wheel steering, be located on the underframe and be used to drive Hydraulic Power Transmission System and the engine (12) thereof that wheel rotates, it is characterized in that, this underframe comprises triangular truss (10) and propons bar (6), this rear wheel (4) is equipped with at the two ends of one cross bar (15) of this triangular truss (10), this front vehicle wheel (4) is equipped with at the two ends of this propons bar (6), and this triangular truss (10) top relative with this cross bar (15) and the middle part of propons bar (6) are rotationally connected.
2. agricultural machinery self-propelled chassis according to claim 1 is characterized in that, the top of this triangular truss (10) is rotationally connected by a connecting axle and the axle bed of being located at propons bar (6) middle part.
3. agricultural machinery self-propelled chassis according to claim 2, it is characterized in that, this steering comprises axle (2), steering wheel lower shaft (3), steering gear (5) and knuckle (19) on steering wheel (1), the steering wheel, this steering wheel (1) is connected with propons bar (6) by axle (2), steering wheel lower shaft (3), steering gear (5) on the steering wheel successively, and the two ends of propons bar (6) are connected with front vehicle wheel (4) by knuckle (19).
4. agricultural machinery self-propelled chassis according to claim 2 is characterized in that, this Hydraulic Power Transmission System comprises first, second motor (11) that is respectively applied for transmission two rear wheels (4).
5. agricultural machinery self-propelled chassis according to claim 4, it is characterized in that, this Hydraulic Power Transmission System also comprises hydraulic oil container (7), pump (8), overflow valve (21), magnetic valve, cross valve (23), high-pressure ball valve (25), oil circuit buffer (24), the power shaft of this pump (8) is connected with the output shaft of engine (12), the output shaft of this pump (8) connects overflow valve (21), the a end that is connected to cross valve (23) of the input and first output by first magnetic valve (22) also, the c end and the d end of cross valve (23) also are connected to oil circuit buffer (24) respectively, the c end is connected to the d end by first motor (11) and first high-pressure ball valve (25), the c end also is connected to the d end by second motor (11) and second high-pressure ball valve (25), and this pump (8) also is connected with hydraulic oil container (7).
6. agricultural machinery self-propelled chassis according to claim 5, it is characterized in that, also be provided with the hanging plate (9) that is used to articulate various farm machinery on the cross bar (15) of this triangular truss (10), and this Hydraulic Power Transmission System includes provides three motor (20) of power to various farm machinery, choke valve (29), check valve, be used to control the hoist cylinder (28) of farm machinery lifting and be used to control the limit switch (30) of hoist cylinder (28), one end of the 3rd motor (20) is connected to a end of cross valve (23) by first check valve (31), the other end is connected with second output of first magnetic valve (22), the b end of cross valve (23) connects the input of second magnetic valve (26), and first output of second magnetic valve (26) is by second check valve (27), hoist cylinder (28) and choke valve (29) are connected to second output of second magnetic valve (26).
7. according to each described agricultural machinery self-propelled chassis of claim 1 to 6, it is characterized in that this triangular truss (10) is inserted in by the bent plate perforate by three steel pipes and is welded.
8. agricultural machinery self-propelled chassis according to claim 7 is characterized in that, is mutually 60 ° in twos between three steel pipes of this triangular truss (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202637339U CN201563358U (en) | 2009-11-30 | 2009-11-30 | Self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202637339U CN201563358U (en) | 2009-11-30 | 2009-11-30 | Self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563358U true CN201563358U (en) | 2010-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202637339U Expired - Fee Related CN201563358U (en) | 2009-11-30 | 2009-11-30 | Self-propelled chassis of hydraulic back-wheel driving type light agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201563358U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102742390A (en) * | 2012-07-09 | 2012-10-24 | 华南农业大学 | Hydraulic front driving type paddy field four-wheel chassis differential steering structure |
| CN102826118A (en) * | 2012-08-21 | 2012-12-19 | 厦工(三明)重型机器有限公司 | Front wheel steering hydraulic system for land scraper with composite operation and land scraper |
| CN103004313A (en) * | 2012-12-17 | 2013-04-03 | 莱恩农业装备有限公司 | Full hydraulically-driven two-dimensional translational elevating agricultural frame |
| CN104206062A (en) * | 2013-05-30 | 2014-12-17 | 凯斯纽荷兰(上海)机械研发有限公司 | Windrower steering system |
| CN104500465A (en) * | 2014-11-28 | 2015-04-08 | 宁波中意液压马达有限公司 | Hydraulic chassis driving system of multifunctional agricultural locomotive |
| CN105594323A (en) * | 2014-11-13 | 2016-05-25 | 安徽赛威机械有限公司 | A rotary cultivator |
| CN105637994A (en) * | 2014-11-13 | 2016-06-08 | 安徽赛威机械有限公司 | Depth adjusting device |
| CN111247891A (en) * | 2020-03-13 | 2020-06-09 | 广西合浦县惠来宝机械制造有限公司 | Quick replacement device and replacement method for bearing agricultural implement |
| CN111869354A (en) * | 2020-09-11 | 2020-11-03 | 南京工业职业技术大学 | Self-propelled chassis device that marchs of aquatic crops mechanical production |
-
2009
- 2009-11-30 CN CN2009202637339U patent/CN201563358U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102742390A (en) * | 2012-07-09 | 2012-10-24 | 华南农业大学 | Hydraulic front driving type paddy field four-wheel chassis differential steering structure |
| CN102826118A (en) * | 2012-08-21 | 2012-12-19 | 厦工(三明)重型机器有限公司 | Front wheel steering hydraulic system for land scraper with composite operation and land scraper |
| CN103004313A (en) * | 2012-12-17 | 2013-04-03 | 莱恩农业装备有限公司 | Full hydraulically-driven two-dimensional translational elevating agricultural frame |
| CN103004313B (en) * | 2012-12-17 | 2015-07-08 | 莱恩农业装备有限公司 | Full hydraulically-driven two-dimensional translational elevating agricultural frame |
| CN104206062A (en) * | 2013-05-30 | 2014-12-17 | 凯斯纽荷兰(上海)机械研发有限公司 | Windrower steering system |
| CN105594323A (en) * | 2014-11-13 | 2016-05-25 | 安徽赛威机械有限公司 | A rotary cultivator |
| CN105637994A (en) * | 2014-11-13 | 2016-06-08 | 安徽赛威机械有限公司 | Depth adjusting device |
| CN104500465A (en) * | 2014-11-28 | 2015-04-08 | 宁波中意液压马达有限公司 | Hydraulic chassis driving system of multifunctional agricultural locomotive |
| CN104500465B (en) * | 2014-11-28 | 2017-01-04 | 宁波中意液压马达有限公司 | Multifunctional agricultural locomotive fluid pressure underpan drive system |
| CN111247891A (en) * | 2020-03-13 | 2020-06-09 | 广西合浦县惠来宝机械制造有限公司 | Quick replacement device and replacement method for bearing agricultural implement |
| CN111869354A (en) * | 2020-09-11 | 2020-11-03 | 南京工业职业技术大学 | Self-propelled chassis device that marchs of aquatic crops mechanical production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20121130 |