CN203047347U - Hydraulic transmission four-wheel steering mechanism - Google Patents
Hydraulic transmission four-wheel steering mechanism Download PDFInfo
- Publication number
- CN203047347U CN203047347U CN 201320074327 CN201320074327U CN203047347U CN 203047347 U CN203047347 U CN 203047347U CN 201320074327 CN201320074327 CN 201320074327 CN 201320074327 U CN201320074327 U CN 201320074327U CN 203047347 U CN203047347 U CN 203047347U
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- China
- Prior art keywords
- rod
- oil pipe
- double piston
- bar linkage
- engine structure
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- Expired - Fee Related
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Abstract
A hydraulic transmission four-wheel steering mechanism is used for a four-wheel vehicle. A front double piston rod oil cylinder and a rear double piston rod oil cylinder are respectively hinged with the front portion and the rear portion of a machine frame. Two ends of a front double piston rod of the front double piston rod oil cylinder are respectively hinged with a front connecting rod of a front four-connecting-rod steering mechanism. Two ends of a rear double piston rod of the rear double piston rod oil cylinder are respectively hinged with a rear connecting rod of a rear four-connecting-rod steering mechanism. A front first oil pipe and a front second oil pipe are respectively arranged between an oil inlet and an oil outlet in two sides of the front double piston rod oil cylinder and an opening P and an opening O of a three-position four-way directional reversing valve. A rear first oil pipe and a rear second oil pipe are respectively connected with an oil inlet and an oil outlet in two sides of the rear double piston rod oil cylinder and an opening B and an opening A of the three-position four-way directional reversing valve. According to the hydraulic transmission four-wheel steering mechanism, the whole four-wheel vehicle can perform approximately transverse and translational motion. The hydraulic transmission four-wheel steering mechanism has the advantages of being reasonable in structure, reliable in use, high in motility and good in flexibility.
Description
Technical field
The utility model belongs to four wheeler, relates generally to the steering hardware on the four wheeler.
Background technology
Along with the quick increase of China's power actuated vehicle, blocking up of traffic is serious day by day, and the parking stall area reduces when especially stopping, and requires the alerting ability of four-wheeled vehicle to improve.In order to reduce the turn radius of self-propelled vehicle, improve its alerting ability, now with having begun on the front-wheel of four wheeler and trailing wheel, forward and backward trapezoidal four bar linkage steering engine structure to be installed respectively in the vehicle, compare with conventional truck, the turn inside diameter radius of this structure reduces, manoevreability and alerting ability increase, still, because structural deficiency, this structure Ackermann steer angle, can only be mutual uneven angle shape between its front-wheel and trailing wheel are vertical, and the whole laterally function of no translation of vehicle, the difficulty of parking.
Summary of the invention
The purpose of this utility model is exactly the problem that exists at above-mentioned prior art, design provides a kind of hydrostatic drive four-wheel steering mechanism of new construction, reaches the purpose that reduces four-wheeled vehicle turn radius, the whole translational sideways movement of realization vehicle significantly, improves the vehicle alerting ability.
Basic design of the present utility model is, on the front side portion of frame and rear sides corresponding equipped before four bar linkage steering engine structure and back four bar linkage steering engine structure, on the right and left end of preceding four bar linkage steering engine structure and back four bar linkage steering engine structure, be hinged respectively front-wheel and trailing wheel are installed, steering box is packed on the frame, described steering box is connected cooperation with the front rod of preceding four bar linkage steering engine structure, on the front side portion of frame and rear sides, be hinged respectively equipped before double rod cylinder and back double rod cylinder, the preceding double piston-rod both ends of double rod cylinder are hinged with the front rod of preceding four bar linkage steering engine structure respectively before described, the back double piston-rod both ends of described back double rod cylinder are hinged with the rear linking rod of back four bar linkage steering engine structure respectively, between the P mouth of two oil inlet and outlets of preceding double rod cylinder both sides and three position four-way directional control valve and O mouth, be connected equipped preceding first oil pipe and preceding second oil pipe respectively, is connected respectively between the A mouth of two oil inlet and outlets of double rod cylinder both sides, back and three position four-way directional control valve and the B mouth equipped back second oil pipe with after first oil pipe, so far constitute hydrostatic drive four-wheel steering mechanism.
The utility model adopts three position four-way directional control valve and forward and backward double rod cylinder combination control structure, reduced the turn radius of four-wheeled significantly, improved the alerting ability of self-propelled vehicle, especially can realize the motion of four-wheeled global approximation transverse translation formula, have characteristics rational in infrastructure, that use is reliable, manoevreability is high, alerting ability is good.
Description of drawings
Fig. 1 is hydrostatic drive four-wheel steering mechanism overall structure scheme drawing;
Fig. 2 is that hydrostatic drive four-wheel steering mechanism realizes the translational sideways movement structural representation;
Fig. 3 is that traditional four-wheel steering mechanism turns to scheme drawing.
Piece number explanation among the figure:
1, frame, 2, preceding four bar linkage steering engine structure, 3, three position four-way directional control valve, 4, back second oil pipe, 5, back first oil pipe, 6, back double piston-rod, 7, back four bar linkage steering engine structure, 8, trailing wheel, 9, rear linking rod, 10, back double rod cylinder, 11, steering box, 12, preceding double rod cylinder, 13, front rod, 14, front-wheel, 15, preceding double piston-rod, 16, preceding first oil pipe, 17, preceding second oil pipe.
The specific embodiment
Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.A kind of hydrostatic drive four-wheel steering mechanism, on the front side portion of frame 1 and rear sides corresponding equipped before four bar linkage steering engine structure 2 and back four bar linkage steering engine structure 7, on the right and left end of preceding four bar linkage steering engine structure 2 and back four bar linkage steering engine structure 7, be hinged respectively front-wheel 14 and trailing wheel 8 are installed, steering box 11 is packed on the frame 1, described steering box 11 is connected cooperation with the front rod 13 of preceding four bar linkage steering engine structure 2, on the front side portion of frame 1 and rear sides, be hinged respectively equipped before double rod cylinder 12 and back double rod cylinder 10, preceding double piston-rod 15 both ends of double rod cylinder 12 are hinged with the front rod 13 of preceding four bar linkage steering engine structure 2 respectively before described, back double piston-rod 6 both ends of described back double rod cylinder 10 are hinged with the rear linking rod 9 of back four bar linkage steering engine structure 7 respectively, between the P mouth of two oil inlet and outlets of preceding double rod cylinder 12 both sides and three position four-way directional control valve 3 and O mouth, be connected equipped preceding first oil pipe 16 and preceding second oil pipe 17 respectively, is connected respectively between the A mouth of two oil inlet and outlets of double rod cylinder 10 both sides, back and three position four-way directional control valve 3 and the B mouth equipped after second oil pipe 4 with after first oil pipe 5.
During operation, 1., with three position four-way directional control valve 3 control on the I position, rotate steering box 11, double piston-rod 15 moves to the left or to the right before front rod 13 drives, front-wheel 14 finishes dextrad or left-hand turns to; When current double piston-rod 15 moves to left-hand, before double rod cylinder 12 left chamber oil in preceding first oil pipe 16, three position four-way directional control valve 3, back second oil pipe 4 enter the right chamber of back double rod cylinder 10, through after double piston-rod 6 drive rear linking rods 9 and move to the left, trailing wheel 8 is finished left-hand and is rotated, self-propelled vehicle integral body be right-hand turning to, front and rear wheel 14,8 is double camber path of motion; When current double piston-rod 15 moves to dextrad, before double rod cylinder 12 right chamber oil in preceding second oil pipe 17, three position four-way directional control valve 3, back first oil pipe 5 enter the left chamber of back double rod cylinder 10, finish trailing wheel 8 dextrad and rotate, self-propelled vehicle integral body is to left-hand and turns to; When 2., controlling three position four-way directional control valve 3 on the II position, when current double piston-rod 15 moves to left-hand, front-wheel 14 is turned right, before double rod cylinder 12 left chamber oil in preceding first oil pipe 16, three position four-way directional control valve 3, back first oil pipe 5 enter afterwards double rod cylinder 10 left chambeies, through after double piston-rod 6, rear linking rod 9 drive trailing wheels 8 and finish right steering, this moment, front-wheel 14 still was in parastate with trailing wheel 8, realized car load translational sideways movement to the right; When current double piston-rod 15 moves to dextrad, front-wheel 14 left steerings, before double rod cylinder 12 right chamber oil in preceding second oil pipe 17, three position four-way directional control valve 3, back second oil pipe 4 enter afterwards double rod cylinder 10 right chambeies, through after double piston-rod 6, rear linking rod 9 drive trailing wheels 8 and finish left steering, finish car load translational sideways movement to the left; When 3., controlling three position four-way directional control valve 3 on interposition, steering box 11 drives front rod 13 and drives front-wheel 14 and turns to the left or to the right, this moment, double rod cylinder 12 left chamber oil back and forth flowed in preceding first oil pipe 16, three position four-way directional control valve 3 and preceding second oil pipe 17 with right chamber oil before preceding double piston-rod 15 makes, and trailing wheel 8 keeps vertical linear running.
Claims (1)
1. hydrostatic drive four-wheel steering mechanism, on the front side portion of frame (1) and rear sides corresponding equipped before four bar linkage steering engine structure (2) and back four bar linkage steering engine structure (7), on the right and left end of preceding four bar linkage steering engine structure (2) and back four bar linkage steering engine structure (7), be hinged respectively front-wheel (14) and trailing wheel (8) are installed, steering box (11) is packed on the frame (1), described steering box (11) is connected cooperation with the front rod (13) of preceding four bar linkage steering engine structure (2), it is characterized in that on the front side portion of frame (1) and rear sides, being hinged respectively equipped before double rod cylinder (12) and back double rod cylinder (10), preceding double piston-rod (15) both ends of double rod cylinder (12) are hinged with the front rod (13) of preceding four bar linkage steering engine structure (2) respectively before described, back double piston-rod (6) both ends of described back double rod cylinder (10) are hinged with the rear linking rod (9) of back four bar linkage steering engine structure (7) respectively, between the P mouth of two oil inlet and outlets of preceding double rod cylinder (12) both sides and three position four-way directional control valve (3) and O mouth, be connected equipped preceding first oil pipe (16) and preceding second oil pipe (17) respectively, be connected respectively between the A mouth of two oil inlet and outlets of double rod cylinder (10) both sides, back and three position four-way directional control valve (3) and the B mouth be equipped with after second oil pipe (4) and after first oil pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074327 CN203047347U (en) | 2013-01-29 | 2013-01-29 | Hydraulic transmission four-wheel steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074327 CN203047347U (en) | 2013-01-29 | 2013-01-29 | Hydraulic transmission four-wheel steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203047347U true CN203047347U (en) | 2013-07-10 |
Family
ID=48730331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320074327 Expired - Fee Related CN203047347U (en) | 2013-01-29 | 2013-01-29 | Hydraulic transmission four-wheel steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203047347U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058006A (en) * | 2014-06-17 | 2014-09-24 | 宁波如意股份有限公司 | Vehicle transverse running steering mechanism |
| CN105584525A (en) * | 2014-10-14 | 2016-05-18 | 财团法人金属工业研究发展中心 | Auxiliary steering mechanism and electric vehicle |
| CN107585203A (en) * | 2016-07-08 | 2018-01-16 | 中国农业机械化科学研究院 | A kind of steering mechanism on agricultural chassis |
| CN108860301A (en) * | 2017-05-08 | 2018-11-23 | 丹佛斯动力系统有限公司 | Fluid-link steering unit |
| WO2021057414A1 (en) * | 2019-09-24 | 2021-04-01 | 山河智能装备股份有限公司 | Quadrilateral connecting rod structure |
| CN114771635A (en) * | 2021-12-29 | 2022-07-22 | 江苏金钟机械制造有限公司 | Structure-adjustable steering column |
| CN114954643A (en) * | 2022-07-18 | 2022-08-30 | 中通新能源汽车有限公司 | Steering device of small four-wheel steering road sweeper |
-
2013
- 2013-01-29 CN CN 201320074327 patent/CN203047347U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058006A (en) * | 2014-06-17 | 2014-09-24 | 宁波如意股份有限公司 | Vehicle transverse running steering mechanism |
| CN105584525A (en) * | 2014-10-14 | 2016-05-18 | 财团法人金属工业研究发展中心 | Auxiliary steering mechanism and electric vehicle |
| CN105584525B (en) * | 2014-10-14 | 2018-02-02 | 财团法人金属工业研究发展中心 | Auxiliary steering mechanism and electric vehicle |
| CN107585203A (en) * | 2016-07-08 | 2018-01-16 | 中国农业机械化科学研究院 | A kind of steering mechanism on agricultural chassis |
| CN108860301A (en) * | 2017-05-08 | 2018-11-23 | 丹佛斯动力系统有限公司 | Fluid-link steering unit |
| US10843725B2 (en) | 2017-05-08 | 2020-11-24 | Danfoss Power Solutions Aps | Hydraulic steering unit |
| CN108860301B (en) * | 2017-05-08 | 2021-03-26 | 丹佛斯动力系统有限公司 | Hydraulic steering unit |
| WO2021057414A1 (en) * | 2019-09-24 | 2021-04-01 | 山河智能装备股份有限公司 | Quadrilateral connecting rod structure |
| CN112628224A (en) * | 2019-09-24 | 2021-04-09 | 山河智能装备股份有限公司 | Quadrilateral linkage mechanism |
| CN112628224B (en) * | 2019-09-24 | 2021-11-19 | 山河智能装备股份有限公司 | Quadrilateral linkage mechanism |
| CN114771635A (en) * | 2021-12-29 | 2022-07-22 | 江苏金钟机械制造有限公司 | Structure-adjustable steering column |
| CN114954643A (en) * | 2022-07-18 | 2022-08-30 | 中通新能源汽车有限公司 | Steering device of small four-wheel steering road sweeper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20180129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |