CN208885666U - Oil cylinder balances valve group - Google Patents
Oil cylinder balances valve group Download PDFInfo
- Publication number
- CN208885666U CN208885666U CN201821574144.8U CN201821574144U CN208885666U CN 208885666 U CN208885666 U CN 208885666U CN 201821574144 U CN201821574144 U CN 201821574144U CN 208885666 U CN208885666 U CN 208885666U
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- China
- Prior art keywords
- valve
- oil
- balanced
- oil cylinder
- overflow valve
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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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- 229910001141 Ductile iron Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 206010044565 Tremor Diseases 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 66
- 239000010720 hydraulic oil Substances 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a kind of oil cylinder balance valve group comprising has: integrated package, two balanced valves and two dampers.Tubing interface, oil cylinder interface and two balanced valve mounting holes there are two being set on the integrated package.Two balanced valves are installed in two balanced valve mounting holes, each balanced valve includes oil inlet, oil outlet and oil-control mouth, the oil inlet of each balanced valve is connected with a tubing interface, the oil outlet of each balanced valve is connected with an oil cylinder interface, and the oil inlet of each balanced valve is connected with the oil-control mouth of another balanced valve.Each damper is installed in the pipeline that the oil inlet of the balanced valve is connected with the oil-control mouth of another balanced valve.The impact of the oil circuit of the oil inlet of a balanced valve to the oil-control mouth of another balanced valve can be reduced using damper, reduce the susceptibility of balanced valve, reduce executing agency and tremble.
Description
Technical field
The utility model relates to a kind of oil cylinders to balance valve group.
Background technique
Telescopic arm crane is common engineering machinery.Electro-hydraulic combination control system is commonly controlled in telescopic arm crane
Mode processed, telescopic arm crane generally also use electro-hydraulic combination control system.Oil cylinder balance valve group is the electricity of telescopic arm crane
The important component of liquid combination control system.It is straight between the oil inlet and oil-control mouth of two balanced valves in common oil cylinder balance valve group
Intersection connection is connect, oil pressure when starting and stopping movement of frequent switching oil cylinder is unstable, be easy to cause trembling for executing agency.
Utility model content
The technical problems to be solved in the utility model is to overcome oil cylinder start and stop in the prior art to easily cause executing agency
Defect of trembling, a kind of oil cylinder balance valve group is provided.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of oil cylinder balance valve group comprising have:
Integrated package, sets that there are two tubing interface, two oil cylinder interfaces and two balanced valve mounting holes on the integrated package；
Two balanced valves, two balanced valves are installed in two balanced valve mounting holes, each balanced valve
Including oil inlet, oil outlet and oil-control mouth, the oil inlet of each balanced valve is connected with a tubing interface,
The oil outlet of each balanced valve is connected with an oil cylinder interface, the oil inlet of each balanced valve
It is connected with the oil-control mouth of another balanced valve；
Two dampers, each damper are installed on the oil inlet of the balanced valve and another described flat
In the pipeline that the oil-control mouth of weighing apparatus valve is connected.
Preferably, the oil cylinder balance valve group further includes the first overflow valve, the first overflow valve is additionally provided on the integrated package
Mounting hole, first overflow valve are installed in the first overflow valve mounting hole, the inlet and outlet of first overflow valve
It is connected respectively with two oil cylinder interfaces.
In the present solution, the first overflow valve can play level pressure overflow, pressure stabilizing on an oil circuit direction, system unloaded and
The effect of safeguard protection.
Preferably, being equipped with internal screw thread in the first overflow valve mounting hole, first overflow valve is threadedly connected to described
First overflow valve mounting hole.
In the present solution, the first overflow valve is connect reliably with the first overflow valve mounting hole, convenient disassembly.
Preferably, the oil cylinder balance valve group further includes the second overflow valve, the second overflow valve is additionally provided on the integrated package
Mounting hole, second overflow valve are installed in the second overflow valve mounting hole, the inlet and outlet of second overflow valve
It is connected respectively with two oil cylinder interfaces, the oil circuit side in the oil circuit direction of second overflow valve and first overflow valve
To opposite.
In the present solution, in the present solution, the second overflow valve can play level pressure overflow, steady on another oil circuit direction
Pressure, the effect of system unloaded and safeguard protection.
Preferably, being equipped with internal screw thread in the second overflow valve mounting hole, second overflow valve is threadedly connected to described
Second overflow valve mounting hole.
In the present solution, the second overflow valve is connect reliably with the second overflow valve mounting hole, convenient disassembly.
Preferably, being designed with internal screw thread in two balanced valve mounting holes, two balanced valves are threadedly connected to two
A balanced valve mounting hole.
In the present solution, balanced valve is connect reliably with balanced valve mounting hole, convenient disassembly.
Preferably, the integrated package is equipped with the connecting hole of both ends perforation.
In the present solution, being convenient for integrated package being installed on working surface using connecting hole.
Preferably, the material of the integrated package is spheroidal graphite cast-iron.
In the present solution, spheroidal graphite cast-iron has preferable mechanical performance.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with
Good example.
The positive effect of the utility model is: can reduce the oil of the oil inlet of a balanced valve using damper
Impact of the road to the oil-control mouth of another balanced valve reduces the susceptibility of balanced valve, reduces executing agency and trembles.
Detailed description of the invention
Fig. 1 is the schematic perspective view that oil cylinder balances valve group in the preferred embodiment in the utility model.
Fig. 2 is the bottom view that oil cylinder balances valve group in the preferred embodiment in the utility model.
Fig. 3 is the schematic diagram of internal structure that oil cylinder balances valve group in the preferred embodiment in the utility model.
Description of symbols:
Integrated package 100
Tubing interface 110
Oil cylinder interface 120
Balanced valve mounting hole 130
First overflow valve mounting hole 140
Second overflow valve mounting hole 150
Connecting hole 160
Balanced valve 200
Oil inlet 210
Oil outlet 220
Oil-control mouth 230
Damper 300
First overflow valve 400
Second overflow valve 500
Specific embodiment
A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.
Fig. 1, Fig. 2 and Fig. 3 show a kind of oil cylinders to balance valve group comprising has: 100, two 200 and of balanced valve of integrated package
Two dampers 300.110, two oil cylinder interfaces 120 of tubing interface and two balanced valves installations there are two being set on integrated package 100
Hole 130.Two balanced valves 200 are installed in two balanced valve mounting holes 130, and each balanced valve 200 includes oil inlet 210, goes out
Hydraulic fluid port 220 and oil-control mouth 230, the oil inlet 210 of each balanced valve 200 are connected with a tubing interface 110, each balance
The oil outlet 220 of valve 200 is connected with an oil cylinder interface 120, the oil inlet 210 and another balanced valve of each balanced valve 200
200 oil-control mouth 230 is connected.Each damper 300 is installed on the oil inlet 210 and another balanced valve of a balanced valve 200
In the pipeline that 200 oil-control mouth 230 is connected.
In the present embodiment, the oil inlet 210 of a balanced valve 200 and the oil-control mouth of another balanced valve 200 are set to
Damper 300 in 230 pipelines being connected can reduce oily speed, the stability of the oil pressure of oil-control mouth 230 be improved, to keep away
Exempt from the oil-control mouth 230 of balanced valve 200 by excess impact, causes 200 tetchiness of balanced valve, executing agency is caused to be trembled.
There is the excessive security risk of pressure in entire oil circuit during the work time in order to prevent, and oil cylinder balance valve group further includes
First overflow valve 400 and the second overflow valve 500 are additionally provided with the first overflow valve mounting hole 140 and the second overflow valve on integrated package 100
Mounting hole 150, the first overflow valve 400 are installed in the first overflow valve mounting hole 140, the inlet and outlet of the first overflow valve 400
It is connected respectively with two oil cylinder interfaces 120.Second overflow valve 500 is installed in the second overflow valve mounting hole 150, the second overflow
The inlet and outlet of valve 500 is connected with two oil cylinder interfaces 120 respectively, and the oil circuit direction of the second overflow valve 500 is overflow with first
The oil circuit for flowing valve 400 is contrary.No matter which direction of motion oil circuit is in, and two overflow valves can guarantee entire oil circuit
Oil pressure is in a safe condition.
Pacify for the ease of the first overflow valve 400, the second overflow valve 500 and the first overflow valve mounting hole 140, the second overflow valve
Dress is attached and dismantles between hole 150, and internal screw thread is equipped in the first overflow valve mounting hole 140, and 400 screw thread of the first overflow valve connects
It is connected to the first overflow valve mounting hole 140.Internal screw thread is equipped in second overflow valve mounting hole 150, the second overflow valve 500 is threadedly coupled
In the second overflow valve mounting hole 150.
In addition, being designed with internal screw thread in two balanced valve mounting holes 130, two balanced valves 200 are threadedly connected to two and put down
Weigh valve mounting hole 130.Balanced valve 200 is connect reliably with balanced valve mounting hole 130, convenient disassembly.
Meanwhile for the ease of oil cylinder balance valve group is installed on working surface, integrated package 100 is equipped with the company of both ends perforation
Connect hole 160.Working surface can be fixed on for integrated package 100 by passing through connecting hole 160 using bolt.
In the present embodiment, the material of integrated package 100 is spheroidal graphite cast-iron.Spheroidal graphite cast-iron is obtained by nodularization and inoculation
Globular graphite effectively improves the mechanical performance of cast iron, in particular improves plasticity and toughness, to obtain also higher than carbon steel
Intensity.Spheroidal graphite cast-iron is a kind of 20th century high strength cast iron material for growing up of the fifties, comprehensive performance close to
Steel is based on its excellent performance, has been successfully used to cast some stress complexity, intensity, toughness, wearability are more demanding
Part.Spheroidal graphite cast-iron rapidly developed for be only second to gray cast iron, using very extensive cast iron materials.It is so-called " with iron generation
Steel " refers mainly to spheroidal graphite cast-iron.Alternatively, it is also possible to add the structure of steel construction inner core using the outer layer of spheroidal graphite cast-iron, to guarantee
Integrated package 100 had not only possessed preferable plasticity but also can have enough mechanical strengths.
As shown in figure 3, the course of work of oil cylinder balance valve group: when the oil circuit in oil cylinder balance valve group is clockwise movement
When, hydraulic oil from the tubing interface 110 in left side enter left side balanced valve 200 oil inlet 210 and right side balanced valve 200
Oil-control mouth 230 (into the oil-control mouth 230 of the balanced valve 200 on right side hydraulic oil force right side balanced valve 200 open instead
To access), hydraulic oil enters the side of oil cylinder by the oil outlet 220 of the balanced valve 200 in left side, the oil cylinder other side it is hydraulic
Oil from the oil cylinder interface 120 on right side enter right side balanced valve 200 oil outlet 220 and by the balanced valve 200 on right side into
Hydraulic fluid port 210 is flowed out from the tubing interface 110 on right side.When the pressure in above-mentioned oil circuit is excessive, pressure value is greater than underlying
When the pressure set points of the first overflow valve 400, the first overflow valve 400 of lower section is opened, and hydraulic oil is flowed directly out without oil cylinder,
Realize the purpose of pressure release.When oil circuit reverse flow, the course of work is opposite.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the protection scope of the utility model.
Claims (8)
1. a kind of oil cylinder balances valve group, which is characterized in that it includes:
Integrated package, sets that there are two tubing interface, two oil cylinder interfaces and two balanced valve mounting holes on the integrated package；
Two balanced valves, two balanced valves are installed in two balanced valve mounting holes, and each balanced valve includes
Oil inlet, oil outlet and oil-control mouth, the oil inlet of each balanced valve is connected with a tubing interface, each
The oil outlet of the balanced valve is connected with an oil cylinder interface, the oil inlet of each balanced valve and another
The oil-control mouth of one balanced valve is connected；
Two dampers, each damper are installed on the oil inlet and another balanced valve of the balanced valve
The pipeline that is connected of the oil-control mouth in.
2. oil cylinder as described in claim 1 balances valve group, which is characterized in that the oil cylinder balance valve group further includes the first overflow
Valve, the first overflow valve mounting hole is additionally provided on the integrated package, and first overflow valve is installed on the first overflow valve installation
In hole, the inlet and outlet of first overflow valve is connected with two oil cylinder interfaces respectively.
3. oil cylinder as claimed in claim 2 balances valve group, which is characterized in that be equipped with interior spiral shell in the first overflow valve mounting hole
Line, first overflow valve are threadedly connected to the first overflow valve mounting hole.
4. oil cylinder as claimed in claim 2 balances valve group, which is characterized in that the oil cylinder balance valve group further includes the second overflow
Valve, the second overflow valve mounting hole is additionally provided on the integrated package, and second overflow valve is installed on the second overflow valve installation
In hole, the inlet and outlet of second overflow valve is connected with two oil cylinder interfaces respectively, second overflow valve
Oil circuit direction is contrary with the oil circuit of first overflow valve.
5. oil cylinder as claimed in claim 4 balances valve group, which is characterized in that be equipped with interior spiral shell in the second overflow valve mounting hole
Line, second overflow valve are threadedly connected to the second overflow valve mounting hole.
6. oil cylinder as described in claim 1 balances valve group, which is characterized in that in being designed in two balanced valve mounting holes
Screw thread, two balanced valves are threadedly connected to two balanced valve mounting holes.
7. oil cylinder as described in claim 1 balances valve group, which is characterized in that the integrated package is equipped with the connection of both ends perforation
Hole.
8. oil cylinder as described in claim 1 balances valve group, which is characterized in that the material of the integrated package is spheroidal graphite cast-iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821574144.8U CN208885666U (en) | 2018-09-26 | 2018-09-26 | Oil cylinder balances valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821574144.8U CN208885666U (en) | 2018-09-26 | 2018-09-26 | Oil cylinder balances valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885666U true CN208885666U (en) | 2019-05-21 |
Family
ID=66514038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821574144.8U Active CN208885666U (en) | 2018-09-26 | 2018-09-26 | Oil cylinder balances valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885666U (en) |
-
2018
- 2018-09-26 CN CN201821574144.8U patent/CN208885666U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 600, changta Road, Songjiang District, Shanghai, 201617 Patentee after: Shanghai shengkesisi Hydraulic Co.,Ltd. Address before: No. 600, changta Road, Songjiang District, Shanghai, 201600 Patentee before: SHANGHAI SUCCESS HYDRAULICS PRESS Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylinder balance valve group Effective date of registration: 20230105 Granted publication date: 20190521 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: Shanghai shengkesisi Hydraulic Co.,Ltd. Registration number: Y2023980030417 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190521 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: Shanghai shengkesisi Hydraulic Co.,Ltd. Registration number: Y2023980030417 |