CN205292781U - Hydraulic pressure four wheel steering system and machinery vehicle suitable for highland crack - Google Patents
Hydraulic pressure four wheel steering system and machinery vehicle suitable for highland crack Download PDFInfo
- Publication number
- CN205292781U CN205292781U CN201620069149.XU CN201620069149U CN205292781U CN 205292781 U CN205292781 U CN 205292781U CN 201620069149 U CN201620069149 U CN 201620069149U CN 205292781 U CN205292781 U CN 205292781U
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- oil cylinder
- rodless cavity
- cylinder
- front wheel
- oil
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Abstract
The utility model provides a pair of hydraulic pressure four wheel steering system and machinery vehicle suitable for highland crack belongs to vehicle steering control field, mainly includes: hydraulic pump, hydrostatic steering unit, filling oil valve, switching -over valve to and connection left front -wheel cylinder, right front wheel hydro -cylinder, left rear wheel hydro -cylinder and right back round of hydro -cylinder at filling oil valve and switching -over valve, left side front -wheel cylinder does not have pole chamber and right front wheel hydro -cylinder and does not have the pole chamber and be linked together through preceding benefits oil pipe, and the left rear wheel hydro -cylinder does not have pole chamber and right back round of hydro -cylinder and does not have the machinery vehicle that mends a steering system that oil pipe is linked together after through and include this a steering system in the pole chamber, the problem of current highland crack machinery vehicle's a steering system rely on the connecting rod and the volume of leading to the design work is big, and the connecting rod has the restriction of height and position, is unfavorable for the holistic overall arrangement of highland crack machinery, maintains and complicacy etc. During debugging machinery is solved.
Description
Technical field:
A kind of hydraulic pressure four being applicable to highland gap of the present utility model takes turns steering and motor vehicles and machines belong to Vehicular turn control field, particularly relates to a kind of hydraulic pressure four being applicable to highland gap and takes turns steering.
Background technology:
The many employings of steering of existing highland gap machinery turn to tie rod linkage to realize turning to, four take turns steering mode ensures, by linkage assembly, the synchronism that wheel turns to, connecting rod needs the height according to chassis, wheelspan width, wheelbase length, oil cylinder putting position etc. to determine, design efforts would is big, and connecting rod has the restriction of height with position, it is unfavorable for the layout that highland gap machinery is overall, complicated when safeguarding and debug machinery; The four of two-way cylinder composition take turns the restriction of steering due to vehicle type structure, cannot use in some particular surroundingss; The automatically controlled pattern steering of full scale valve block band angle sensor device composition, cost is higher.
Summary of the invention:
The purpose of this utility model is to provide a kind of can ensure that without connecting rod four take turns and turn to that synchronism, layout are convenient and reliable, a kind of hydraulic pressure four being applicable to highland gap simple, with low cost takes turns steering and motor vehicles and machines to safeguard debugging.
A kind of hydraulic pressure four being applicable to highland gap takes turns steering, mainly comprise: hydro-pump, hydraulic pressure diverter, Fill valve, reversing valve, and be connected to the near front wheel oil cylinder of Fill valve and reversing valve, off-front wheel oil cylinder, left back take turns oil cylinder and right back take turns oil cylinder, described oil cylinder is connected with corresponding wheel respectively;
Described the near front wheel oil cylinder rodless cavity is connected by front repairing pipe with off-front wheel oil cylinder rodless cavity, and left back oil cylinder rodless cavity of taking turns is connected by rear repairing pipe with right back oil cylinder rodless cavity of taking turns;
Described Fill valve respectively with described the near front wheel oil cylinder rodless cavity, off-front wheel oil cylinder rodless cavity, left back take turns oil cylinder rodless cavity and right back oil cylinder rodless cavity of taking turns is connected;
Further described Fill valve is connected with front repairing pipe and rear repairing pipe respectively;
Described reversing valve respectively with described the near front wheel cylinder rod chamber, off-front wheel cylinder rod chamber, left back take turns cylinder rod chamber and right back cylinder rod chamber of taking turns is connected;
Fill valve is provided with repairing magnetic valve, and reversing valve is provided with commutation magnetic valve;
Motor vehicles and machines of the present utility model comprise the hydraulic pressure four being applicable to highland gap of the present utility model and take turns steering; Further described motor vehicles and machines are highland gap spraying machine especially.
Make the near front wheel oil cylinder and off-front wheel oil cylinder be full of oil by Fill valve, drain air, according to the incompressible principle of fluid, make the rodless cavity of two oil cylinders be connected to a bi-directional expansion oil cylinder; With reason, left back take turns oil cylinder rodless cavity and right back oil cylinder rodless cavity of taking turns can also form a two-way cylinder; When oil is entered diverter by pump, oil in diverter enters in the rod chamber of an oil cylinder by reversing valve, oil in rod chamber compression rodless cavity, oil enters in the rodless cavity of another side cylinder by front/rear repairing pipe, compression rod chamber motion, four oil cylinders control four wheels of motor vehicles and machines respectively, and the wheel therefore completing motor vehicles and machines turns to;
Owing to carrying out technique scheme, motor vehicles and machines do not need connecting rod can realize four to take turns the synchronism turned to, and layout is convenient and reliable, safeguard that debugging is simple, with low cost.
Accompanying drawing illustrates:
Accompanying drawing be used to provide to of the present utility model it is further understood that and form the part of specification sheets, be used from explanation the utility model with embodiment one of the present utility model, do not form restriction of the present utility model. In the accompanying drawings:
Fig. 1: a kind of hydraulic pressure four being applicable to highland gap takes turns steering schematic diagram;
Legend: 1, Fill valve, 2, reversing valve, 3, the near front wheel oil cylinder, 4, front repairing pipe, 5, off-front wheel oil cylinder, 6, diverter, 7, right back take turns oil cylinder, 8, rear repairing pipe, 9, left back take turns oil cylinder.
Embodiment
Hereinafter preferred embodiment of the present utility model is described, it will be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and is not used in restriction the utility model.
Embodiment
As shown in Figure 1, a kind of hydraulic pressure four being applicable to highland gap takes turns steering, mainly comprise: hydro-pump, hydraulic pressure diverter 6, Fill valve 1, reversing valve 2, and be connected to the near front wheel oil cylinder 3 of Fill valve 1 and reversing valve 2, off-front wheel oil cylinder 5, left back take turns oil cylinder 9 and right back take turns oil cylinder 7, described four oil cylinders are connected with corresponding wheel respectively;
Described the near front wheel oil cylinder 3 rodless cavity is connected by front repairing pipe 4 with off-front wheel oil cylinder 5 rodless cavity, and left back oil cylinder 9 rodless cavity of taking turns is connected by rear repairing pipe 8 with right back oil cylinder 7 rodless cavity of taking turns;
Described Fill valve 1 is connected with front repairing pipe 4 and rear repairing pipe 8 respectively;
Described reversing valve 2 respectively with described the near front wheel oil cylinder 3 rod chamber, off-front wheel oil cylinder 5 rod chamber, left back take turns oil cylinder 9 rod chamber and right back oil cylinder 7 rod chamber of taking turns is connected;
Fill valve 1 is provided with repairing magnetic valve, and reversing valve 2 is provided with commutation magnetic valve;
Motor vehicles and machines of the present utility model are comprise the highland gap spraying machine that the hydraulic pressure four being applicable to highland gap of the present utility model takes turns steering.
Front-wheel steering principle:
When fluid enters diverter 6 by P mouth, oil is entered from the A1 oil fuel-displaced a mouth of mouth by reversing valve 2, compression the near front wheel oil cylinder 3 rod chamber piston, rodless cavity fluid extrudes from b oil mouth after compressing, off-front wheel oil cylinder 5 rodless cavity is entered through c oil mouth, the extruding rod chamber piston motion of rodless cavity fluid, completes motion;
Oil is entered by reversing valve 2 from the fuel-displaced d oil mouth of B1 oil mouth with reason, compression off-front wheel oil cylinder 5 rod chamber piston, the compression of rodless cavity fluid extrudes from c oil mouth, enters the near front wheel oil cylinder 3 rodless cavity through b oil mouth, the extruding rod chamber piston motion of rodless cavity fluid, completing to turn right, it is dynamic to transport.
Trailing wheel steering principle:
When fluid enters diverter 6 by P mouth, oil is entered from the A2 oil fuel-displaced e mouth of mouth by reversing valve 2, compress and left back take turns oil cylinder 9 rod chamber piston, the compression of rodless cavity fluid extrudes from f oil mouth, enter through g oil mouth and right back take turns oil cylinder 7 rodless cavity, the extruding rod chamber piston motion of rodless cavity fluid, completes motion;
Oil is entered by reversing valve 2 from the fuel-displaced h oil mouth of B2 oil mouth with reason, compressing and right back take turns oil cylinder 7 rod chamber piston, the compression of rodless cavity fluid extrudes from g oil mouth, enters through f oil mouth and left back takes turns oil cylinder 9 rodless cavity, the extruding rod chamber piston motion of rodless cavity fluid, completing to turn right, it is dynamic to transport.
Four take turns steering principle:
When fluid enters diverter 6 by P mouth, oil is entered from the A1 oil fuel-displaced a mouth of mouth by reversing valve 2, compression the near front wheel oil cylinder 3 rod chamber piston, the compression of rodless cavity fluid extrudes from b oil mouth, off-front wheel oil cylinder 5 rodless cavity is entered through c oil mouth, the extruding rod chamber piston motion of rodless cavity fluid enters B1 oil mouth from d oil mouth is fuel-displaced, it is connected with A2 oil mouth by the B1 of reversing valve 2 oil mouth, fluid enters from the left back e oil mouth taking turns oil cylinder 9, compress and left back take turns rod chamber piston, the compression of rodless cavity fluid extrudes from f oil mouth, enter through g oil mouth and right back take turns oil cylinder 7 rodless cavity, the extruding rod chamber piston motion of rodless cavity fluid, complete four and take turns motion,
With entering diverter 6 by P mouth by fluid, oil is entered from the B1 oil fuel-displaced d mouth of mouth by reversing valve 2, compression off-front wheel oil cylinder 5 rod chamber piston, the compression of rodless cavity fluid extrudes from c oil mouth, the near front wheel oil cylinder 3 rodless cavity is entered through c oil mouth, the extruding rod chamber piston motion of rodless cavity fluid enters A1 oil mouth from a oil mouth is fuel-displaced, it is connected with B2 oil mouth by the A1 of reversing valve 2 oil mouth, fluid enters from the right back h oil mouth taking turns oil cylinder 7, compress and right back take turns rod chamber piston, the compression of rodless cavity fluid extrudes from g oil mouth, enter through g oil mouth and left back take turns oil cylinder 9 rodless cavity, the extruding rod chamber piston motion of rodless cavity fluid, complete four and take turns right turn movements.
Crab row steering principle:
When fluid enters diverter 6 by P mouth, oil is entered from the A1 oil fuel-displaced a mouth of mouth by reversing valve 2, compression the near front wheel oil cylinder 3 rod chamber piston, the compression of rodless cavity fluid extrudes from b oil mouth, off-front wheel oil cylinder 5 rodless cavity is entered through c oil mouth, the extruding rod chamber piston motion of rodless cavity fluid enters B1 oil mouth from d oil mouth is fuel-displaced, it is connected with B2 oil mouth by the B1 of reversing valve 2 oil mouth, fluid enters from the right back h oil mouth taking turns oil cylinder 7, compress the right back rod chamber piston taking turns oil cylinder 7, the compression of rodless cavity fluid extrudes from g oil mouth, enter through f oil mouth and left back take turns oil cylinder 9 rodless cavity, the extruding rod chamber piston motion of rodless cavity fluid, complete four and take turns the left-hand rotation motion of crab row,
With entering diverter 6 by P mouth by fluid, oil is entered from the B1 oil fuel-displaced d mouth of mouth by reversing valve 2, compression off-front wheel oil cylinder 5 rod chamber piston, the compression of rodless cavity fluid extrudes from c oil mouth, the near front wheel oil cylinder 3 rodless cavity is entered through b oil mouth, the extruding rod chamber piston motion of rodless cavity fluid enters A1 oil mouth from a oil mouth is fuel-displaced, it is connected with A2 oil mouth by reversing valve A1 oil mouth, fluid enters from the left back e oil mouth taking turns oil cylinder 9, compress the left back rod chamber piston taking turns oil cylinder 9, the compression of rodless cavity fluid extrudes from f oil mouth, enter through g oil mouth and right back take turns oil cylinder 7 rodless cavity, the extruding rod chamber piston motion of rodless cavity fluid, complete four and take turns crab row right turn movements.
Owing to implementing technique scheme, motor vehicles and machines do not need connecting rod can realize four to take turns the synchronism turned to, and layout is convenient and reliable, safeguard that debugging is simple, with low cost.
The foregoing is only preferred embodiment of the present utility model, it is not limited to the utility model, although the utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein part technology feature carries out equivalent replacement. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the hydraulic pressure four being applicable to highland gap takes turns steering, it is characterized in that: mainly comprise hydro-pump, hydraulic pressure diverter, Fill valve, reversing valve, and be connected to the near front wheel oil cylinder of Fill valve and reversing valve, off-front wheel oil cylinder, left back take turns oil cylinder and right back take turns oil cylinder, described oil cylinder is connected with corresponding wheel respectively, described the near front wheel oil cylinder rodless cavity is connected by front repairing pipe with off-front wheel oil cylinder rodless cavity, and left back oil cylinder rodless cavity of taking turns is connected by rear repairing pipe with right back oil cylinder rodless cavity of taking turns.
2. a kind of hydraulic pressure four being applicable to highland gap according to claim 1 takes turns steering, it is characterised in that: described Fill valve respectively with described the near front wheel oil cylinder rodless cavity, off-front wheel oil cylinder rodless cavity, left back take turns oil cylinder rodless cavity and right back oil cylinder rodless cavity of taking turns is connected.
3. a kind of hydraulic pressure four being applicable to highland gap according to claim 2 takes turns steering, it is characterised in that: described reversing valve respectively with described the near front wheel cylinder rod chamber, off-front wheel cylinder rod chamber, left back take turns cylinder rod chamber and right back cylinder rod chamber of taking turns is connected.
4. a kind of hydraulic pressure four being applicable to highland gap according to claim 3 takes turns steering, it is characterised in that: described Fill valve is connected with front repairing pipe and rear repairing pipe respectively.
5. a kind of hydraulic pressure four being applicable to highland gap according to claim 4 takes turns steering, it is characterised in that: Fill valve is provided with repairing magnetic valve, and reversing valve is provided with commutation magnetic valve.
6. motor vehicles and machines, it is characterised in that: described motor vehicles and machines comprise a kind of hydraulic pressure four being applicable to highland gap described in the arbitrary item of claim 1-5 and take turns steering.
7. motor vehicles and machines, it is characterised in that: described motor vehicles and machines are the highland gap spraying machine that the hydraulic pressure four being applicable to highland gap comprised described in the arbitrary item of claim 1-5 takes turns steering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069149.XU CN205292781U (en) | 2016-01-25 | 2016-01-25 | Hydraulic pressure four wheel steering system and machinery vehicle suitable for highland crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069149.XU CN205292781U (en) | 2016-01-25 | 2016-01-25 | Hydraulic pressure four wheel steering system and machinery vehicle suitable for highland crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292781U true CN205292781U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620069149.XU Expired - Fee Related CN205292781U (en) | 2016-01-25 | 2016-01-25 | Hydraulic pressure four wheel steering system and machinery vehicle suitable for highland crack |
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| CN (1) | CN205292781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539580A (en) * | 2016-01-25 | 2016-05-04 | 一拖(新疆)东方红装备机械有限公司 | Hydraulic four-wheeled steering system suitable for high ground clearance and mechanical vehicle |
| CN106114615A (en) * | 2016-06-28 | 2016-11-16 | 潍柴动力股份有限公司 | A kind of hydraulic steering system |
-
2016
- 2016-01-25 CN CN201620069149.XU patent/CN205292781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539580A (en) * | 2016-01-25 | 2016-05-04 | 一拖(新疆)东方红装备机械有限公司 | Hydraulic four-wheeled steering system suitable for high ground clearance and mechanical vehicle |
| CN106114615A (en) * | 2016-06-28 | 2016-11-16 | 潍柴动力股份有限公司 | A kind of hydraulic steering system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20190125 |