CN206723178U - A kind of combined vibration hydraulic system - Google Patents
A kind of combined vibration hydraulic system Download PDFInfo
- Publication number
- CN206723178U CN206723178U CN201720290961.XU CN201720290961U CN206723178U CN 206723178 U CN206723178 U CN 206723178U CN 201720290961 U CN201720290961 U CN 201720290961U CN 206723178 U CN206723178 U CN 206723178U
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- valve
- mouths
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- walking
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- 239000003921 oil Substances 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
Technical field of hydraulic is the utility model is related to, specifically discloses a kind of combined vibration hydraulic system, including hydraulic oil container, walking pumping system, drive motor system, powershift valve, fluid pressure line and two solenoid valve blocks；The walking pumping system includes variable pump, proportion magnetic valve, slippage pump；The drive motor system includes axial piston motor, left radial plunger piston motor and right radial plunger piston motor；The powershift valve connects pump oil mouth, multiple actuator ports, a pair of pilot operated directional control valves including two.The utility model has the advantages that, two kinds of working environments of highway and railway can be met simultaneously by effectively solving same special-purpose vehicle, and there is the walking hydraulic control system high low speed to switch, the function such as electrodeless variable-speed, two sets of independent running gears are driven using a traveling pump.
Description
Technical field
Technical field of hydraulic is the utility model is related to, particularly relates to a kind of combined vibration hydraulic system.
Background technology
At present in special engineering plant equipment, individually meet that a kind of vehicle of working environment is a lot, but can exist simultaneously
That is walked on highway and railway does not have, and a pump can not be used to drive multiple actuator movements, when handover is needed, just needs
Increase multiple power sources, increase the volume weight and cost of equipment.
Utility model content
The purpose of this utility model is to provide a kind of combined vibration hydraulic system, effectively solves same special-purpose vehicle
It can meet two kinds of working environments of highway and railway simultaneously, and there is the walking hydraulic control system high low speed to switch, nothing
The functions such as pole speed change, two sets of independent running gears are driven using a traveling pump.
To achieve these goals, the utility model employs following technical scheme：A kind of combined walking hydraulic pressure
System, including hydraulic oil container, walking pumping system, drive motor system, be connected on walking pumping system and drive motor system between
Powershift valve, fluid pressure line and two solenoid valve blocks；
The walking pumping system includes variable pump, proportion magnetic valve, slippage pump；
The drive motor system includes axial piston motor, left radial plunger piston motor and right radial plunger piston motor.
Wherein, the powershift valve including two connect pump oil mouth (C, D mouth), multiple actuator ports (A1, A2/A21, B1,
B2/B21), a pair of pilot operated directional control valves 72 of the corresponding connection of pump oil mouth (C, D mouth) are connect with two；
The pilot operated directional control valve be respectively provided with oil inlet 3., the first oil-out 2., the second oil-out 4., control oil inlet 3. with
First oil-out 2. or the second oil-out 4. break-make control port 1.；
3. the oil inlet of the pilot operated directional control valve corresponds to connection two and connects pump oil mouth (C, D mouth) respectively；
1. the control port of the pilot operated directional control valve communicates with an external tapping (X mouths).
Wherein, 9., 10. walking pumping system A, B mouth is connected by pipeline with powershift valve C, D mouth.
Wherein, described powershift valve A1, B1 pass through pipelineConnected with axial piston motor E, F mouth；Power is cut
Change valve A2, B2 and pass through pipelineConnected with left radial plunger piston motor G, H mouth；Powershift valve A3, B3 pass through pipelineConnected with right radial plunger piston motor I, J mouth.
Wherein, the Fe mouths of the walking pumping system pass through pipelineConnected with two solenoid valve block P mouths, two solenoid valve blocks
P1 mouths pass through pipelineConnected with powershift valve X mouths；Two solenoid valve block P2 mouths pass through pipelineRespectively with left and right radial column
Saimaa connects up to X mouths.
The beneficial effects of the utility model are：It can be walked simultaneously under two kinds of highway, railway working environments, on highway
Gearbox is driven using a double speed hydraulic motor, gearbox drives propons, back axle walking, two double speed liquid are used on railway again
Pressure motor directly drives, and maximum advantage is to use a hydraulic pump as power source.
Whole walking process uses electrodeless variable-speed, and all drive motors use double speed hydraulic motor, using a walking
Pump drives two sets of independent running gears.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only the utility model in order to more clearly
Illustrate the utility model embodiment or technical scheme of the prior art, below by institute in p- embodiment or description of the prior art
The accompanying drawing needed to use is briefly described, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is cross-sectional view of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
A kind of combined vibration hydraulic system as shown in Figure 1, including hydraulic oil container 8, walking pumping system, drive motor
System, powershift valve 7, fluid pressure line and two solenoid valve blocks being connected between walking pumping system and drive motor system
4, described walking pumping system includes variable pump 1, proportion magnetic valve 2, slippage pump 3, and drive motor system includes axial columns Saimaa
Up to 5 and left and right radial plunger piston motor 9.
Fluid pressure line be divided into working connection and control oil circuit, working connection mainly by 9., 10., Composition, control oil circuit byComposition.
9., 10. walking pumping system A, B mouth is connected by pipeline with powershift valve 7C, D mouth.
Powershift valve 7A1, B1 pass through pipelineConnected with axial piston motor 5E, F mouth；Powershift valve 7A2,
B2 passes through pipelineConnected with left radial plunger piston motor 6G, H mouth；Powershift valve 7A3, B3 pass through pipelineWith
Right radial plunger piston motor 9I, J mouth connection.
The Fe mouths of walking pumping system pass through pipelineConnected with two solenoid valve block 4P mouths, two solenoid valve block 4P1 mouths lead to
Cross pipelineConnected with powershift valve 7X mouths；Two solenoid valve block 4P2 mouths pass through pipelineRespectively with left and right radial column Saimaa
Connected up to 6X mouths.
The technical scheme of powershift valve 1 is illustrated first：As shown in Fig. 2 under normal circumstances, main working oil path is led to
Powershift valve C, D mouth oil-feed is crossed to pilot operated directional control valve 72, on normality position, the oil inlet of pilot operated directional control valve 72 is 3. fuel-displaced with first
2. mouth communicates, 2. the first oil-out of pilot operated directional control valve 72 is communicated by oil duct with actuator port A2/A21, B2/B21 mouth, A2/
The fuel-displaced driving actuator of A21, B2/B21 mouth is completed to perform action.
When needing to perform remaining action, guide oil passes through integrated valve group internal galleries and left and right hydraulic control by X mouths, X mouths
1. mouth communicates reversal valve 72, and guide oil drives liquid controlled reversing by driving the control port of left and right pilot operated directional control valve 72 1.
Valve 72 commutates, and after pilot operated directional control valve 72 commutates, 3. 4. the oil inlet of pilot operated directional control valve 72 communicates with the second oil-out, liquid controlled reversing
4. second oil-out of valve 72 is turned on by internal galleries with two other actuator port A1, B1 mouth of powershift valve, driving
Another actuator performs.So as to realize the actuator handoff functionality in closed system.
The effect that a hand-operated direction valve 71 is integrated with switching valve in the closed system is when actuator goes wrong
It is that manually operation allows hand-operated direction valve 71 to commutate, conducting working connection C, D mouth communicates, and facilitates maintenance of equipment.
The rail-road car walking hydraulic control system course of work of the present utility model：
On highway during low-speed forward, proportion magnetic valve 2a obtains electric, and variable pump 1 rotates forward, high-voltage oil liquid by traveling pump A mouths,
10. fluid pressure line to powershift valve 7C mouths, by the internal galleries of powershift valve 7 to A1 mouths, then passes through fluid pressure lineTo axle
To piston motor 5E mouths, low pressure fluid passes through fluid pressure line by axial piston motor 5F mouthsTo powershift valve 7B1 mouths,
By the internal galleries of powershift valve 7 to D mouths, then by fluid pressure line 9. to traveling pump B mouths, hydraulic oil driving axial plunger horse
Rotated up to 5, axial piston motor 5 drives gearbox, and gearbox drives front-rear axle, realizes that road rail vehicle is gone forward in highway again
Enter.
When needing walking at a high speed on highway, it is only necessary to allow on axial piston motor 5 electromagnet obtain it is electric it is i.e. achievable before
By the switching of low speed to high speed during entering, vice versa.In addition, by adjusting the input current size of proportion magnetic valve 2, you can
Realize road rail vehicle advance electrodeless variable-speed.
On highway during ease astern, proportion magnetic valve 2b obtains electric, and variable pump 1 inverts, high-voltage oil liquid by traveling pump B mouths,
9. fluid pressure line to powershift valve 7D mouths, by the internal galleries of powershift valve 7 to B1 mouths, then passes through fluid pressure lineTo axle
To piston motor 5F mouths, low pressure fluid passes through fluid pressure line by axial piston motor 5E mouthsTo powershift valve 7A1 mouths,
By the internal galleries of powershift valve 7 to C mouths, then by fluid pressure line 10. to traveling pump A mouths, hydraulic oil driving axial plunger horse
Rotated up to 5, axial piston motor 5 drives gearbox, and gearbox drives front-rear axle again, after realizing road rail vehicle on highway
Move back.When needing in high reverse on highway, it is only necessary to allow electromagnet on axial piston motor 5 to obtain electric i.e. achievable advance process
In by low speed to high speed switching, vice versa.In addition, by adjusting the input current size of proportion magnetic valve 2, you can realize public
Iron convertible car retreats electrodeless variable-speed.
When needing travelling on railway, electromagnet SV1 is allowed in two solenoid valve blocks 4 to obtain electric, powershift valve 7 commutates.
Control oil passes through fluid pressure line by slippage pump 3Fe mouths on enclosed pumpTo two solenoid valve block 4P mouths, by internal oil passages extremely
P1 mouths, two solenoid valve block 4P1 mouths pass through fluid pressure lineTo powershift valve 7X mouths, control oil is by powershift valve 7
Portion's oil circuit controls its internal reversal valve commutation, realizes the switching of actuator, you can travelled on railway.Low-speed forward on railway
When, proportion magnetic valve 2a obtains electric, and variable pump 1 rotates forward, and high-voltage oil liquid is by traveling pump A mouths, fluid pressure line 10. to powershift valve
7C mouths, by the internal galleries of powershift valve 7 to A2, A21 mouth, pass through fluid pressure line respectivelyTo left and right radial plunger
Motor 6G mouths, low pressure fluid by the G mouths of left radial plunger piston motor 9, right radial plunger piston motor 6I mouths, pass through fluid pressure line respectivelyTo powershift valve 7B2, B21 mouth, by the internal galleries of powershift valve 7 to D mouths, then by fluid pressure line 9. extremely
Traveling pump B mouths, hydraulic oil driving left and right radial plunger piston motor rotate, and realize that road rail vehicle advances on railway.When needs exist
When being walked at a high speed on railway, it is only necessary to allow electromagnet SV2 in two solenoid valve blocks 4 to obtain electric can be achieved during advancing by low speed
To the switching of high speed, vice versa.In addition, by adjusting the input current size of proportion magnetic valve 2, you can realize road rail vehicle
Advance electrodeless variable-speed.
On railway during ease astern, proportion magnetic valve 2b obtains electric, and variable pump 1 inverts, high-voltage oil liquid by traveling pump B mouths,
9. fluid pressure line to powershift valve 7D mouths, by the internal galleries of powershift valve 7 to B2, B21 mouth, then passes through hydraulic tube respectively
RoadTo left radial plunger piston motor 9H mouths, right radial plunger piston motor 6J mouths, low pressure fluid passes through left radial column Saimaa respectively
Pass through fluid pressure line up to 9G mouths, right radial plunger piston motor 6I mouthsTo powershift valve 7A2, A21 mouth, cut by power
The internal galleries of valve 7 are changed to C mouths, then are 10. turned by fluid pressure line to traveling pump A mouths, hydraulic oil driving left and right radial plunger piston motor
It is dynamic, realize that road rail vehicle retreats on railway.When needing in high reverse on railway, it is only necessary to allow two solenoid valve blocks 4
Upper electromagnet SV2 obtain it is electric i.e. can be achieved after during by low speed to high speed switching, vice versa.In addition, by adjusting ratio
The input current size of magnetic valve 2, you can realize road rail vehicle advance electrodeless variable-speed.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
- A kind of 1. combined vibration hydraulic system, it is characterised in that：Including hydraulic oil container (8), walking pumping system, drive motor System, the powershift valve (7) being connected between walking pumping system and drive motor system, fluid pressure line and two magnetic valves Group (4)；The walking pumping system includes variable pump (1), proportion magnetic valve (2), slippage pump (3)；The drive motor system includes axial piston motor (5), left radial plunger piston motor (9) and right radial plunger piston motor (6).
- A kind of 2. combined vibration hydraulic system according to claim 1, it is characterised in that：The powershift valve (7) pump oil mouth (C, D mouth), multiple actuator ports (A1, A2/A21, B1, B2/B21) are connect including two, pump oil mouth is connect with two A pair of pilot operated directional control valves 72 of (C, D mouth) corresponding connection；The pilot operated directional control valve (72) be respectively provided with oil inlet 3., the first oil-out 2., the second oil-out 4., control oil inlet 3. with First oil-out 2. or the second oil-out 4. break-make control port 1.；The oil inlet of the pilot operated directional control valve (72) 3. corresponds to connection two and connects pump oil mouth (C, D mouth) respectively；The control port of the pilot operated directional control valve (72) 1. communicates with an external tapping (X mouths).
- A kind of 3. combined vibration hydraulic system according to claim 1, it is characterised in that：The walking pumping system A, 9., 10. B mouths are connected by pipeline with powershift valve (7) C, D mouth.
- A kind of 4. combined vibration hydraulic system according to claim 1, it is characterised in that：The powershift valve (7) A1, B1 pass through pipelineConnected with axial piston motor (5) E, F mouth；Powershift valve (7) A2, B2 passes through pipelineConnected with left radial plunger piston motor (6) G, H mouth；Powershift valve (7) A3, B3 passes through pipelineWith right radial direction Piston motor (9) I, J mouth connects.
- A kind of 5. combined vibration hydraulic system according to claim 1, it is characterised in that：The walking pumping system Fe mouths pass through pipelineConnected with two solenoid valve blocks (4) P mouths, two solenoid valve blocks (4) P1 mouths pass through pipelineCut with power Change the connection of valve (7) X mouths；Two solenoid valve blocks (4) P2 mouths pass through pipelineConnect respectively with left and right radial plunger piston motor (6) X mouths It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290961.XU CN206723178U (en) | 2017-03-23 | 2017-03-23 | A kind of combined vibration hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290961.XU CN206723178U (en) | 2017-03-23 | 2017-03-23 | A kind of combined vibration hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723178U true CN206723178U (en) | 2017-12-08 |
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ID=60501307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720290961.XU Expired - Fee Related CN206723178U (en) | 2017-03-23 | 2017-03-23 | A kind of combined vibration hydraulic system |
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| Country | Link |
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| CN (1) | CN206723178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942479A (en) * | 2021-01-28 | 2021-06-11 | 三一重机有限公司 | Highway-railway dual-purpose excavator walking driving system and highway-railway dual-purpose excavator |
| CN113335002A (en) * | 2021-08-05 | 2021-09-03 | 山东威猛工程机械有限公司 | Steering hydraulic system of highway and railway dual-purpose engineering machinery |
| CN117167353A (en) * | 2023-09-27 | 2023-12-05 | 徐工集团工程机械股份有限公司科技分公司 | Double-speed closed hydraulic traveling system and method for skid steer loader |
-
2017
- 2017-03-23 CN CN201720290961.XU patent/CN206723178U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942479A (en) * | 2021-01-28 | 2021-06-11 | 三一重机有限公司 | Highway-railway dual-purpose excavator walking driving system and highway-railway dual-purpose excavator |
| CN112942479B (en) * | 2021-01-28 | 2022-07-19 | 三一重机有限公司 | Highway-railway dual-purpose excavator walking driving system and highway-railway dual-purpose excavator |
| CN113335002A (en) * | 2021-08-05 | 2021-09-03 | 山东威猛工程机械有限公司 | Steering hydraulic system of highway and railway dual-purpose engineering machinery |
| CN117167353A (en) * | 2023-09-27 | 2023-12-05 | 徐工集团工程机械股份有限公司科技分公司 | Double-speed closed hydraulic traveling system and method for skid steer loader |
| CN117167353B (en) * | 2023-09-27 | 2024-04-09 | 徐工集团工程机械股份有限公司科技分公司 | Double-speed closed hydraulic traveling system and method for skid steer loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |