CN106224318B - Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group - Google Patents
Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group Download PDFInfo
- Publication number
- CN106224318B CN106224318B CN201610822020.6A CN201610822020A CN106224318B CN 106224318 B CN106224318 B CN 106224318B CN 201610822020 A CN201610822020 A CN 201610822020A CN 106224318 B CN106224318 B CN 106224318B
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- Prior art keywords
- motor
- hydraulic
- magnetic valve
- pipe joint
- outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
- F15B2013/006—Modular components with multiple uses, e.g. kits for either normally-open or normally-closed valves, interchangeable or reprogrammable manifolds
Abstract
The invention discloses off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, including hydraulic manifold block and the adpting flange, magnetic valve and the pipe joint that are arranged on hydraulic manifold block；The magnetic valve includes first, second, third, fourth magnetic valve；Accordingly, magnetic valve electromagnet includes first, second, third, fourth magnetic valve electromagnet；The pipe joint is 3, and one of pipe joint is connected with preceding motor, and two other pipe joint is connected with motor after 2 respectively；The hydraulic oil come out from high-pressure pump enters preceding motor by adpting flange.By the way that freewheel and anti-slip function are integrated on an integrated package, whole integrated package to be mounted directly on the flange mounting surface of preceding motor by the screw of oil-feed flange, have and be easily installed maintenance and saving space and cost.
Description
Technical field
The present invention relates to off roader technical field, more particularly to off roader hydraulic pressure four-wheel drive hydraulic system control
Valve group processed.
Background technology
At present, off roader, such as import and high-end self-propelled corn harvester tool use hydraulic pressure four-wheel drive form,
Most rear wheel drives use variable displacement motor acceleration and deceleration case, and this design structure size is big, expensive, wheelspan change difficulty compared with
Greatly, and without anti-slip function.
In order to save installing space, reducing cost and realize that different wheelspans are quickly realized, we are 2 quantitative big using wheel side
Torque motor directly drives the structure of trailing wheel.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of off roader hydraulic pressure four-wheel drive
HYDRAULIC CONTROL SYSTEM valve group.
To achieve the above object, the present invention uses following technical proposals：
Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, including hydraulic manifold block and it is arranged on Hydraulic integration
Adpting flange, magnetic valve and pipe joint on block；The magnetic valve includes first, second, third, fourth magnetic valve；Accordingly,
Magnetic valve electromagnet includes first, second, third, fourth magnetic valve electromagnet；The pipe joint is 3, and one of pipe connects
Head is connected with preceding motor, and two other pipe joint is connected with motor after 2 respectively；The hydraulic oil come out from high-pressure pump passes through connection
Flange enters preceding motor.
The operation principle of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group is：
When car be two drive advance operating mode when, first, second, third, fourth magnetic valve electromagnet must not electricity, hydraulic oil is by the
Motor high pressure oil inlet and outlet is passed to preceding motor before two high-pressure pump high-pressure oil outlets are reached by the 4th magnetic valve, now rear motor
First after motor high pressure oil inlet and outlet free flow after motor high pressure oil inlet and outlet and second, in freewheel state, now
Only preceding motor operations.
When car is 4 wheel driven advance operating mode, first, second, third magnetic valve electromagnet obtains electric, and hydraulic oil is by the second high pressure
Motor high pressure oil inlet and outlet is passed to preceding motor before a pump high pressure oil inlet and outlet part is reached by the 4th magnetic valve, and preceding motor returns
Oil stream leads to the first high-pressure pump high pressure oil inlet and outlet, another part pass through the 3rd solenoid valve vent to rear motor first after motor
High pressure oil inlet and outlet, rear motor oil return are passed to the first high-pressure pump high pressure oil inlet and outlet by second solenoid valve, now forward and backward horse
Up to working simultaneously.
When car be two drive retreat operating mode when, first, second, third, fourth magnetic valve electromagnet must not electricity, hydraulic oil is by the
One high-pressure pump high pressure oil inlet and outlet is passed to preceding motor, and preceding motor oil return passes through the 4th solenoid valve vent to the second high-pressure pump high pressure
Oil inlet and outlet；Motor high pressure oil inlet and outlet free flow after motor high pressure oil inlet and outlet and second after the first of motor after now,
In freewheel state, motor operations before now only having.
When car is that 4 wheel driven retreats operating mode, first, second, third magnetic valve electromagnet obtains electric, and hydraulic oil is by the first high pressure
A pump high pressure oil inlet and outlet part is passed to preceding motor, and preceding motor oil return passes through the 4th solenoid valve vent to the second high-pressure pump high pressure
Oil inlet and outlet, another part be passed to by second solenoid valve rear motor second after motor high pressure oil inlet and outlet, rear motor return
Oil is worked simultaneously by the 3rd solenoid valve vent to the second high-pressure pump high pressure oil inlet and outlet, now forward and backward motor.
When front-wheel skids, the 4th magnetic valve electromagnet is electricly automatic by electric-control system, towards the hydraulic oil of preceding motor
Preceding motor can be passed to by throttle orifice, is now unlatching anti-slip state.
The invention has the advantages that off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve provided by the invention
Group, is the hydraulic control valve block for directly driving the structure of trailing wheel for 2 quantitative high pulling torque motors and designing, and it is mainly included certainly
By taking turns the function with anti-slip, i.e., freewheel and anti-slip function are integrated on an integrated package, pass through the spiral shell of oil-feed flange
Nail whole integrated package to be mounted directly on the flange mounting surface of preceding motor, have be easily installed maintenance and save space and into
This.
Brief description of the drawings
Fig. 1 is the schematic perspective view of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group of the present invention；
Fig. 2 is the hydraulic principle schematic diagram of off roader hydraulic pressure four-wheel drive hydraulic system of the present invention；
Fig. 3 is the hydraulic principle schematic diagram of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group of the present invention.
Wherein：A. the first magnetic valve electromagnet, b. second solenoid valve electromagnet, the magnetic valve electromagnet of c. the 3rd, d. the 4th
Magnetic valve electromagnet, the magnetic valves of A. first, B. second solenoid valves, the magnetic valves of C. the 3rd, the magnetic valves of D. the 4th, 1. Hydraulic integrations
Block, 2. adpting flanges, 3. magnetic valves, 4. pipe joints, motor before 5., motor high pressure oil inlet and outlet before 51., motor after 6., 61.
Motor high pressure oil inlet and outlet after one, motor high pressure oil inlet and outlet after 62. second, 7. high-pressure pumps, the disengaging of 71. first high-pressure pump high pressures
Hydraulic fluid port, 72. second high-pressure pump high pressure oil inlet and outlets, 9. choke valves.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, including hydraulic manifold block 1 and set
Put adpting flange 2, magnetic valve 3 and pipe joint 4 on hydraulic manifold block 1.With reference to Fig. 2-3, magnetic valve 3 includes first, second,
Three, the 4th magnetic valve A, B, C, D；Accordingly, magnetic valve electromagnet also has 4, respectively first, second, third, fourth electricity
Magnet valve electromagnet a, b, c, d；Pipe joint 4 is 3, and one of pipe joint 4 is connected with preceding motor 5, and two other pipe joint 4 divides
It is not connected with motor 6 after 2；Enter preceding motor 5 from the hydraulic oil that high-pressure pump 7 comes out by adpting flange 2.
The operation principle of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group is specifically introduced with reference to Fig. 2-3
For：
As Figure 2-3, when car is two drive advance operating mode, first, second, third, fourth magnetic valve electromagnet a, b,
C, d must not be electric, and motor high pressure is entered fuel-displaced before hydraulic oil is reached by the second high-pressure pump high pressure oil inlet and outlet 72 by the 4th magnetic valve D
Mouthfuls 51 be passed to before motor 5, now after motor 6 first after after motor high pressure oil inlet and outlet 61 and second motor high pressure enter it is fuel-displaced
62 free flows of mouth, in freewheel state, motor 5 works before now only having；When car is 4 wheel driven advance operating mode, first,
2nd, the 3rd magnetic valve electromagnet a, b, c is obtained electric, and hydraulic oil passes through the 4th electricity by the part of the second high-pressure pump high pressure oil inlet and outlet 72
Motor 5 before motor high pressure oil inlet and outlet 51 is passed to before magnet valve D is reached, the preceding oil return of motor 5 are passed to the first high-pressure pump height and are pressed into
Oil-out 71, another part be passed to by the 3rd magnetic valve C rear motor 6 first after motor high pressure oil inlet and outlet 61, rear horse
The first high-pressure pump high pressure oil inlet and outlet 71 is passed to by second solenoid valve B up to 6 oil returns, now forward and backward motor 5,6 while work
Make.
When car is that two drives retreat operating mode, first, second, third, fourth magnetic valve electromagnet a, b, c, d must not be electric, liquid
Motor 5 before force feed is passed to by the first high-pressure pump high pressure oil inlet and outlet 71, the preceding oil return of motor 5 are passed to by the 4th magnetic valve D
Second high-pressure pump high pressure oil inlet and outlet 72；Motor is high after motor high pressure oil inlet and outlet 61 and second after the first of motor 6 after now
The free flow of oil-out 62 is pressed into, in freewheel state, motor 5 works before now only having；When car is that 4 wheel driven retreats operating mode,
First, second, third magnetic valve electromagnet a, b, c obtains electric, and hydraulic oil is flowed by the part of the first high-pressure pump high pressure oil inlet and outlet 71
Motor 5 before leading to, the preceding oil return of motor 5 are passed to the second high-pressure pump high pressure oil inlet and outlet 72, another part by the 4th magnetic valve D
Motor high pressure oil inlet and outlet 62 after the second of rear motor 6 is passed to by second solenoid valve B, the rear oil return of motor 6 passes through the 3rd electricity
Magnet valve C is passed to the second high-pressure pump high pressure oil inlet and outlet 72, and now forward and backward motor 5,6 works simultaneously.
If front-wheel skids, the 4th magnetic valve electromagnet d is electricly automatic by electric-control system, towards the hydraulic pressure of preceding motor 5
Oil can only be passed to preceding motor 5 by throttle orifice 9, be now unlatching anti-slip state.
Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group provided by the invention, it is for 2 quantitative big torsions
The hydraulic control valve block that square motor directly drives the structure of trailing wheel and designed, it mainly includes the function of freewheel and anti-slip,
Freewheel and anti-slip function are integrated on an integrated package, whole integrated package directly pacified by the screw of oil-feed flange
Before being attached on the flange mounting surface of motor, have and be easily installed maintenance and saving space and cost.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (8)
1. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, it is characterized in that, the control method
The control valve group of middle use includes hydraulic manifold block and the adpting flange, magnetic valve and the pipe joint that are arranged on hydraulic manifold block；
The magnetic valve includes first, second, third, fourth magnetic valve；Accordingly, magnetic valve electromagnet includes first, second, the
3rd, the 4th magnetic valve electromagnet；The pipe joint is 3, and one of pipe joint is connected with preceding motor, two other pipe joint
It is connected respectively with motor after 2；The hydraulic oil come out from high-pressure pump enters preceding motor by adpting flange；
When car is two drive advance operating mode, first, second, third, fourth magnetic valve electromagnet must not be electric, and hydraulic oil is high by second
Motor high pressure oil inlet and outlet is passed to preceding motor before press pump high-pressure oil outlet is reached by the 4th magnetic valve, now after motor the
Motor high pressure oil inlet and outlet free flow after motor high pressure oil inlet and outlet and second, in freewheel state, now only has after one
Preceding motor operations.
2. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group as claimed in claim 1, it is special
Sign is, when front-wheel skids, the 4th magnetic valve electromagnet is electricly automatic by electric-control system, and the hydraulic oil towards preceding motor can only
Preceding motor is passed to by throttle orifice, is now unlatching anti-slip state.
3. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, it is characterized in that, the control method
The control valve group of middle use includes hydraulic manifold block and the adpting flange, magnetic valve and the pipe joint that are arranged on hydraulic manifold block；
The magnetic valve includes first, second, third, fourth magnetic valve；Accordingly, magnetic valve electromagnet includes first, second, the
3rd, the 4th magnetic valve electromagnet；The pipe joint is 3, and one of pipe joint is connected with preceding motor, two other pipe joint
It is connected respectively with motor after 2；The hydraulic oil come out from high-pressure pump enters preceding motor by adpting flange；
When car is 4 wheel driven advance operating mode, first, second, third magnetic valve electromagnet obtains electric, and hydraulic oil is high by the second high-pressure pump
It is pressed into motor high pressure oil inlet and outlet before an oil-out part is reached by the 4th magnetic valve and is passed to preceding motor, preceding motor oil return stream
Lead to the first high-pressure pump high pressure oil inlet and outlet, another part pass through the 3rd solenoid valve vent to rear motor first after motor high pressure
Oil inlet and outlet, rear motor oil return are passed to the first high-pressure pump high pressure oil inlet and outlet by second solenoid valve, and now forward and backward motor is same
When work.
4. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group as claimed in claim 3, it is special
Sign is, when front-wheel skids, the 4th magnetic valve electromagnet is electricly automatic by electric-control system, and the hydraulic oil towards preceding motor can only
Preceding motor is passed to by throttle orifice, is now unlatching anti-slip state.
5. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, it is characterized in that, the control method
The control valve group of middle use includes hydraulic manifold block and the adpting flange, magnetic valve and the pipe joint that are arranged on hydraulic manifold block；
The magnetic valve includes first, second, third, fourth magnetic valve；Accordingly, magnetic valve electromagnet includes first, second, the
3rd, the 4th magnetic valve electromagnet；The pipe joint is 3, and one of pipe joint is connected with preceding motor, two other pipe joint
It is connected respectively with motor after 2；The hydraulic oil come out from high-pressure pump enters preceding motor by adpting flange；
When car is that two drives retreat operating mode, first, second, third, fourth magnetic valve electromagnet must not be electric, and hydraulic oil is high by first
Press pump high pressure oil inlet and outlet is passed to preceding motor, and preceding motor oil return is passed in and out by the 4th solenoid valve vent to the second high-pressure pump high pressure
Hydraulic fluid port；Motor high pressure oil inlet and outlet free flow after motor high pressure oil inlet and outlet and second after the first of motor, is in after now
Freewheel state, motor operations before now only having.
6. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group as claimed in claim 5, it is special
Sign is, when front-wheel skids, the 4th magnetic valve electromagnet is electricly automatic by electric-control system, and the hydraulic oil towards preceding motor can only
Preceding motor is passed to by throttle orifice, is now unlatching anti-slip state.
7. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group, it is characterized in that, the control method
The control valve group of middle use includes hydraulic manifold block and the adpting flange, magnetic valve and the pipe joint that are arranged on hydraulic manifold block；
The magnetic valve includes first, second, third, fourth magnetic valve；Accordingly, magnetic valve electromagnet includes first, second, the
3rd, the 4th magnetic valve electromagnet；The pipe joint is 3, and one of pipe joint is connected with preceding motor, two other pipe joint
It is connected respectively with motor after 2；The hydraulic oil come out from high-pressure pump enters preceding motor by adpting flange；
When car is that 4 wheel driven retreats operating mode, first, second, third magnetic valve electromagnet obtains electric, and hydraulic oil is high by the first high-pressure pump
It is pressed into an oil-out part and is passed to preceding motor, preceding motor oil return is passed in and out by the 4th solenoid valve vent to the second high-pressure pump high pressure
Hydraulic fluid port, another part be passed to by second solenoid valve rear motor second after motor high pressure oil inlet and outlet, rear motor oil return leads to
The 3rd solenoid valve vent to the second high-pressure pump high pressure oil inlet and outlet is crossed, now forward and backward motor works simultaneously.
8. the control method of off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group as claimed in claim 7, it is special
Sign is, when front-wheel skids, the 4th magnetic valve electromagnet is electricly automatic by electric-control system, and the hydraulic oil towards preceding motor can only
Preceding motor is passed to by throttle orifice, is now unlatching anti-slip state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610822020.6A CN106224318B (en) | 2016-09-13 | 2016-09-13 | Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610822020.6A CN106224318B (en) | 2016-09-13 | 2016-09-13 | Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group |
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| Publication Number | Publication Date |
|---|---|
| CN106224318A CN106224318A (en) | 2016-12-14 |
| CN106224318B true CN106224318B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610822020.6A Active CN106224318B (en) | 2016-09-13 | 2016-09-13 | Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870500B (en) * | 2017-03-24 | 2018-09-18 | 广西柳工机械股份有限公司 | The front-wheel drive control valve and front wheel driven hydraulic system of land leveller |
| CN109058200B (en) * | 2018-08-27 | 2019-12-24 | 江苏南京白马现代农业高新技术产业园有限公司 | Anti-slip control valve for agricultural machinery |
| CN109404360B (en) * | 2018-12-07 | 2024-01-19 | 重庆机床(集团)有限责任公司 | Valve block and hydraulic four-wheel-drive power distribution mechanism based on same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009062708A (en) * | 2007-09-05 | 2009-03-26 | Hitachi Constr Mach Co Ltd | Self-propelled treatment machine |
| CN201671901U (en) * | 2010-05-26 | 2010-12-15 | 绿友机械集团股份有限公司 | Hydraulic combination valve block for branch/leaf shredders |
| CN103273843B (en) * | 2013-04-27 | 2015-09-16 | 燕山大学 | Self propelled harvester hydraulic pressure time sharing drive system |
| CN203511303U (en) * | 2013-09-29 | 2014-04-02 | 佳木斯市一达农业科技有限公司 | Full hydraulic two wheel and four wheel drive device of walking machine |
| CN205408647U (en) * | 2015-12-22 | 2016-08-03 | 洛阳福格森机械装备有限公司 | Device that skids is prevented to hydraulic pressure 4 wheel driven for maize picker |
| CN205331087U (en) * | 2016-01-29 | 2016-06-22 | 山东卫士植保机械有限公司 | Be suitable for paddy field work's hydraulic system that skids that prevents |
| CN105508323B (en) * | 2016-02-25 | 2018-04-06 | 九方泰禾国际重工(青岛)股份有限公司 | Self propelled harvester hydraulic pressure four-wheel drive shoe |
| CN206017307U (en) * | 2016-09-13 | 2017-03-15 | 九方泰禾国际重工(青岛)股份有限公司 | Off roader hydraulic pressure four-wheel drive HYDRAULIC CONTROL SYSTEM valve group |
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- 2016-09-13 CN CN201610822020.6A patent/CN106224318B/en active Active
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