CN109356892A - A kind of compact oil cylinder hydraulic drive system - Google Patents
A kind of compact oil cylinder hydraulic drive system Download PDFInfo
- Publication number
- CN109356892A CN109356892A CN201811582233.1A CN201811582233A CN109356892A CN 109356892 A CN109356892 A CN 109356892A CN 201811582233 A CN201811582233 A CN 201811582233A CN 109356892 A CN109356892 A CN 109356892A
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- Prior art keywords
- valve
- fluid port
- hydraulic fluid
- oil
- main
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- 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
- F15B2013/004—Cartridge valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of compact oil cylinder hydraulic drive systems, including main valve block, transition link block, main shaft brake valve group, yaw brake valve group；Immersion oil pump, oil return pipe, fuel tank and fuel sucking pipe are fixed on the left surface of the main valve block, the fuel tank is tubular structure, covers the immersion oil pump, the oil return pipe and the fuel sucking pipe；The oil inlet of the immersion oil pump is connected to through the runner in main valve block with the fuel sucking pipe；The motor for driving the immersion operation of oil pump is fixed on the right surface of the main valve block；The upper surface of the main valve block connects transition link block, and the main shaft brake valve group, yaw brake valve group are reconnected on the filtering link block.The present invention has main shaft brake function, yaw brake function, and realizes the integrated of various Hydraulic Elements by main valve block, transition link block, also has the advantages that compact-sized.
Description
Technical field
The present invention relates to hydraulic systems, more particularly to a kind of compact-sized oil cylinder hydraulic drive system.
Background technique
Hydraulic system is due to can effectively do work, to be widely used in the fields such as engineering machinery, lathe, the vehicles.
Important one of the purposes of hydraulic system is exactly drive cylinder work.Drive cylinder usually requires that thrust is big, thrust is steady, and needs
There is flow regulating function.In the prior art, oil cylinder hydraulic drive system needs to realize by complicated hydraulic station, such liquid
Pressure station structure is huge, occupied space is more, is not suitable for the narrow occasion of installation space.
Summary of the invention
It is big, steady that the problem to be solved in the present invention is to provide a kind of thrusts, can adjust flow and structure is simple, compact
Oil cylinder hydraulic drive system, to overcome the shortcomings of the prior art.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of compact oil cylinder hydraulic drive system, it is characterised in that: including main valve block, transition link block, AB hydraulic fluid port valve
Block, bidirectional hydraulic lock, one-way throttle valve group, proportional reversing valve；
Immersion oil pump, oil return pipe, fuel tank and fuel sucking pipe are fixed on the left surface of the main valve block；The fuel tank is cylinder
Shape structure covers the immersion oil pump, the oil return pipe and the fuel sucking pipe；Described in the oil inlet warp of the immersion oil pump
Runner in main valve block is connected to the fuel sucking pipe, and the driving immersion oil pump work is fixed on the right surface of the main valve block
The motor of work；
The upper surface of the main valve block is sequentially connected the transition link block and the AB hydraulic fluid port valve block, the AB hydraulic fluid port valve
Successively closed assembly has the one-way throttle valve group, the bidirectional hydraulic lock and the proportional reversing valve on block；The main valve block and institute
State the connection that runner is equipped in hydraulic fluid port valve block to realize each Hydraulic Elements；The front end face of the main valve block is fitted with main unidirectional
Valve；
The oil inlet of the main check valve is connected to the oil outlet of the immersion oil pump, and oil outlet and the ratio commutate
The a hydraulic fluid port of valve is connected to, the b hydraulic fluid port of the proportional reversing valve and the forward direction oil of the first hydraulic control one-way valve in the bidirectional hydraulic lock
Mouth connection, the forward direction of the reversed hydraulic fluid port of first hydraulic control one-way valve and the first one-way throttle valve in the one-way throttle valve group
Hydraulic fluid port connection, the reversed hydraulic fluid port of first one-way throttle valve are connected to the A mouth of the AB hydraulic fluid port valve block, the AB hydraulic fluid port valve block
The reversed hydraulic fluid port of the second one-way throttle valve in the B mouthfuls of connection one-way throttle valve groups, the forward direction of second one-way throttle valve
Hydraulic fluid port is connected to the reversed hydraulic fluid port of the second hydraulic control one-way valve in the bidirectional hydraulic lock, the forward direction oil of second hydraulic control one-way valve
Mouth is connected to the c hydraulic fluid port of the proportional reversing valve, and the d hydraulic fluid port of the proportional reversing valve is connected to the oil return in the fuel tank
Pipe；
The A mouth of the AB hydraulic fluid port valve block is connected respectively to the rodless cavity and rod chamber of oil cylinder with B mouthfuls.
It further include the main overflow valve being inserted on the main valve block front end face, the oil inlet of the main overflow valve and the master
The oil outlet of check valve, the proportional reversing valve a hydraulic fluid port be connected to, oil outlet is connected to the oil return in the fuel tank
Pipe.It can be realized by main overflow valve and system protected.
In further improvement, air filter is installed at the top of the fuel tank.Spare hydraulic fluid port is additionally provided on the main valve block.
The front end face of the main valve block is also fitted with main filter, and the main filter is located at the gear pump and the master
In oil circuit between check valve.Pass through main filter remove hydraulic oil in impurity, it is ensured that into system hydraulic oil it is pure
Only.
By adopting the above technical scheme, the present invention is integrated each Hydraulic Elements by main valve block, transition link block, tool
Have the advantages that compact-sized, small in size, the small occasion of various installation spaces can be common to, in addition, by using proportion adjustment
Valve, hydraulic lock, one-way throttle valve make hydraulic system have the advantages that thrust is big, steady and can adjust uninterrupted, pass through
Superposition transition link block can also realize Function Extension.
Detailed description of the invention
The present invention is further detailed below with reference to picture:
Fig. 1 is structural front view of the invention；
Fig. 2 is structural side view of the invention；
Fig. 3 is hydraulic scheme of the invention.
Specific embodiment
The present invention is further illustrated below by way of specific embodiment:
(for convenience of description, shown direction referring to Fig.1) as depicted in figs. 1 and 2, compact oil cylinder hydraulic driving of the invention
System, including pedestal 80, fuel tank 10, main valve block 81, transition link block 82, AB hydraulic fluid port valve block 83, bidirectional hydraulic lock 84, unidirectional section
Flow valve group 85, proportional reversing valve 86.
Wherein, main valve block 81 is mounted on pedestal 80.Immersion oil pump 11, oil return are fixed on the left surface of main valve block 81
Pipe 61 and fuel tank 10 and fuel sucking pipe 62, fuel tank 10 are tubular structure, cover immersion oil pump 11, oil return pipe 61 and fuel sucking pipe 62.
The oil inlet of immersion oil pump 11 is connected to through the runner in main valve block with fuel sucking pipe 62.Drive is fixed on the right surface of main valve block 81
The motor 63 that dynamic immersion oil pump 11 works.The top of fuel tank 10 is also equipped with air filter 64.The upper surface of main valve block 81 connects
Transition link block 82 filters and reconnects AB hydraulic fluid port valve block 83 on link block 82.Successively closed assembly has unidirectional section in AB hydraulic fluid port valve block 83
Flow valve group 85, bidirectional hydraulic lock 84, proportional reversing valve 86.Runner is equipped in main valve block 81 and AB hydraulic fluid port valve block 83 to realize
The connection of each Hydraulic Elements.AB hydraulic fluid port valve block 83 has A hydraulic fluid port and B hydraulic fluid port.
It is fitted with filter 12, main check valve 13 and main overflow valve 50 on the front end face of main valve block 81, also has and is sealed
The spare hydraulic fluid port 51 of first blocked.The rear end face of main valve block 81 has the second spare hydraulic fluid port 52 blocked.First spare oil
Mouth 51 can be used for inserting manual pump valve group, and the second spare hydraulic fluid port 52 can be used for inserting accumulator valve group.
As shown in connection with fig. 3, there are two one-way throttle valves to form for one-way throttle valve group 85, i.e., by 14 He of the first one-way throttle valve
Second one-way throttle valve 15 composition, hydraulic control one-way valve by parallel check valve and flow restriction control valve group at.Bidirectional hydraulic lock 84 by
Two hydraulic control one-way valve compositions, i.e., be made of the first hydraulic control one-way valve 16 and the second hydraulic control one-way valve 17.
The oil inlet of filter 12 is connected to the oil outlet of immersion oil pump 11, the oil inlet of oil outlet and main check valve 13
Connection.The oil outlet of main check valve 13 is connected to a hydraulic fluid port of proportional reversing valve 86, the b hydraulic fluid port and the first liquid of proportional reversing valve 86
Control the positive hydraulic fluid port connection of check valve 16, the forward direction oil of the reversed hydraulic fluid port of the first hydraulic control one-way valve 16 and the first one-way throttle valve 14
Mouth connection, the A mouth of the reversed hydraulic fluid port connection AB hydraulic fluid port valve block of the first one-way throttle valve 14, the B mouth connection second of AB hydraulic fluid port valve block
The reversed hydraulic fluid port of one-way throttle valve 15, the positive hydraulic fluid port of the second one-way throttle valve 15 are connected to the reverse oil of the second hydraulic control one-way valve 17
Mouthful, the c hydraulic fluid port connection of the positive hydraulic fluid port connection proportional reversing valve 86 of the second hydraulic control one-way valve 17, the d hydraulic fluid port of proportional reversing valve 86
The oil return pipe 61 being connected in fuel tank 10.
The A mouth of AB hydraulic fluid port valve block is connected respectively to the rodless cavity and rod chamber of oil cylinder 60 with B mouthfuls.
The oil inlet of main overflow valve 50 is connected to a hydraulic fluid port of the oil outlet of main check valve 13, proportional reversing valve 86, main to overflow
The oil outlet of stream valve 50 is connected to the oil return pipe 61 in fuel tank 10.When system pressure is more than secure setting, main overflow valve 50
It can be connected, will be more than the extra hydraulic oil overflow oil return box 10 of setting pressure, play the role of system protection.
The working method of this compact oil cylinder hydraulic drive system is as follows:
Proportional reversing valve 86 can not only commutate, additionally it is possible to set openings of sizes and carry out flow adjusting.
As a mouth of control proportional reversing valve 86 and b mouthfuls of conductings, c mouthfuls and d mouthfuls of conductings, a of the hydraulic oil through proportional reversing valve 86
Mouth, the b mouthfuls of A mouths successively by the first hydraulic control one-way valve 16, the check valve in the first one-way throttle valve 14, AB hydraulic fluid port valve block enter
The rodless cavity of oil cylinder.Since the positive oil port of at this moment the first hydraulic control one-way valve 16 is high pressure, so that the second hydraulic control one-way valve 17
It is also switched on, the hydraulic oil of the rod chamber of such oil cylinder 60 is then discharged, successively through B mouth, the second one-way throttle valve of AB hydraulic fluid port valve block
The c mouth of flow restriction control valve, the second hydraulic control one-way valve 17, proportional reversing valve 86 in 15, d mouthfuls flow back to fuel tank.Unidirectionally due to second
The effect of throttle valve 15 keeps having oil pressure always in rod chamber so that the oil return of rod chamber is slow, guarantees that the movement of piston rod is flat
Surely.This process is that the piston rod of drive cylinder stretches out.
As a mouth of control proportional reversing valve 86 and c mouthfuls of conductings, b mouthfuls and d mouthfuls of conductings, a of the hydraulic oil through proportional reversing valve 86
Mouth, the c mouthfuls of B mouths successively by the second hydraulic control one-way valve 17, the check valve in the second one-way throttle valve 15, AB hydraulic fluid port valve block enter
The rod chamber of oil cylinder 60.Since the positive oil port of at this moment the second hydraulic control one-way valve 17 is high pressure, so that the first hydraulic control one-way valve
16 are also switched on, and the hydraulic oil of the rodless cavity of such oil cylinder 60 is then discharged, successively through A mouth, the first one-way throttle of AB hydraulic fluid port valve block
The b mouth of flow restriction control valve, the first hydraulic control one-way valve 16, proportional reversing valve 86 in valve 14, d mouthfuls flow back to fuel tank.Due to the first list
Effect to throttle valve 14 keeps having oil pressure always in rodless cavity, guarantees the movement of piston rod so that the oil return of rodless cavity is slow
Steadily.This process is that the piston rod of drive cylinder retracts.
By adopting the above technical scheme, compact oil cylinder hydraulic drive system of the invention has the advantages that
1, compact-sized, small in size, the small occasion of various installation spaces can be common to；
2, thrust is big, thrust is steady, and can adjust uninterrupted；
3, Function Extension can be realized by superposition transition link block.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in spirit of the invention, to embodiment described above
Variation, modification will all fall within the scope of claims of the present invention.
Claims (5)
1. a kind of compact oil cylinder hydraulic drive system, it is characterised in that: including main valve block, transition link block, AB hydraulic fluid port valve block,
Bidirectional hydraulic lock, one-way throttle valve group, proportional reversing valve；
Immersion oil pump, oil return pipe, fuel tank and fuel sucking pipe are fixed on the left surface of the main valve block；The fuel tank is tubular knot
Structure covers the immersion oil pump, the oil return pipe and the fuel sucking pipe；The oil inlet of the immersion oil pump is through the main valve
Runner in block is connected to the fuel sucking pipe, and the driving immersion operation of oil pump is fixed on the right surface of the main valve block
Motor；
The upper surface of the main valve block is sequentially connected the transition link block and the AB hydraulic fluid port valve block, in the AB hydraulic fluid port valve block
Successively closed assembly has the one-way throttle valve group, the bidirectional hydraulic lock and the proportional reversing valve；The main valve block and the oil
Runner is equipped in mouth valve block to realize the connection of each Hydraulic Elements；The front end face of the main valve block is fitted with main check valve；
The oil inlet of the main check valve is connected to the oil outlet of the immersion oil pump, oil outlet and the proportional reversing valve
The connection of a hydraulic fluid port, the b hydraulic fluid port of the proportional reversing valve and the positive hydraulic fluid port of the first hydraulic control one-way valve in the bidirectional hydraulic lock connect
It is logical, the positive hydraulic fluid port of the first one-way throttle valve in the reversed hydraulic fluid port of first hydraulic control one-way valve and the one-way throttle valve group
Connection, the reversed hydraulic fluid port of first one-way throttle valve are connected to the A mouth of the AB hydraulic fluid port valve block, the B mouth of the AB hydraulic fluid port valve block
It is connected to the reversed hydraulic fluid port of the second one-way throttle valve in the one-way throttle valve group, the positive hydraulic fluid port of second one-way throttle valve
It is connected to the reversed hydraulic fluid port of the second hydraulic control one-way valve in the bidirectional hydraulic lock, the positive hydraulic fluid port of second hydraulic control one-way valve connects
Lead to the c hydraulic fluid port of the proportional reversing valve, the d hydraulic fluid port of the proportional reversing valve is connected to the oil return pipe in the fuel tank；
The A mouth of the AB hydraulic fluid port valve block is connected respectively to the rodless cavity and rod chamber of oil cylinder with B mouthfuls.
2. compact oil cylinder hydraulic drive system according to claim 1, it is characterised in that: further include being inserted into the master
Main overflow valve on valve block front end face, the oil inlet of the main overflow valve and the oil outlet of the main check valve, the ratio are changed
It is connected to a hydraulic fluid port of valve, oil outlet is connected to the oil return pipe in the fuel tank.
3. compact oil cylinder hydraulic drive system according to claim 1, it is characterised in that: install at the top of the fuel tank
There is air filter.
4. compact oil cylinder hydraulic drive system according to claim 1 or 2, it is characterised in that: on the main valve block also
Equipped with spare hydraulic fluid port.
5. compact oil cylinder hydraulic drive system according to claim 1 or 2, it is characterised in that: before the main valve block
End face is also fitted with main filter, and the main filter is in the oil circuit between the gear pump and the main check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582233.1A CN109356892A (en) | 2018-12-24 | 2018-12-24 | A kind of compact oil cylinder hydraulic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582233.1A CN109356892A (en) | 2018-12-24 | 2018-12-24 | A kind of compact oil cylinder hydraulic drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356892A true CN109356892A (en) | 2019-02-19 |
Family
ID=65329298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811582233.1A Pending CN109356892A (en) | 2018-12-24 | 2018-12-24 | A kind of compact oil cylinder hydraulic drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356892A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007285427A (en) * | 2006-04-18 | 2007-11-01 | Iseki & Co Ltd | Travel control device |
| CN105317766A (en) * | 2014-06-24 | 2016-02-10 | 扬州市飞龙气动液压设备有限公司 | Integrated hydraulic open-close machine |
| CN205918674U (en) * | 2016-07-18 | 2017-02-01 | 江苏泰富兴澄特殊钢有限公司 | Stack meets hydraulic control system of material collection |
| CN209654329U (en) * | 2018-12-24 | 2019-11-19 | 上海电气液压气动有限公司 | Compact oil cylinder hydraulic drive system |
-
2018
- 2018-12-24 CN CN201811582233.1A patent/CN109356892A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007285427A (en) * | 2006-04-18 | 2007-11-01 | Iseki & Co Ltd | Travel control device |
| CN105317766A (en) * | 2014-06-24 | 2016-02-10 | 扬州市飞龙气动液压设备有限公司 | Integrated hydraulic open-close machine |
| CN205918674U (en) * | 2016-07-18 | 2017-02-01 | 江苏泰富兴澄特殊钢有限公司 | Stack meets hydraulic control system of material collection |
| CN209654329U (en) * | 2018-12-24 | 2019-11-19 | 上海电气液压气动有限公司 | Compact oil cylinder hydraulic drive system |
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