CN208153433U - The servo valve platform hydraulic system of planisher - Google Patents
The servo valve platform hydraulic system of planisher Download PDFInfo
- Publication number
- CN208153433U CN208153433U CN201820745807.1U CN201820745807U CN208153433U CN 208153433 U CN208153433 U CN 208153433U CN 201820745807 U CN201820745807 U CN 201820745807U CN 208153433 U CN208153433 U CN 208153433U
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- valve
- branch
- oil
- servo valve
- servo
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 88
- 239000010727 cylinder oil Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
This application discloses a kind of servo valve platform hydraulic systems of planisher, including the first oil cylinder, the second oil cylinder and valve body, displacement sensor is equipped on first oil cylinder and the second oil cylinder, the valve body is equipped with the first servo valve, the second servo valve, pressure reducing valve, oil inlet pipe, oil return pipe and drain mast, and the oil inlet pipe is equipped with the first branch, the second branch and third branch.The hydraulic system forms closed-loop system by displacement sensor on oil cylinder and electromagnetic relief valve, the pressure in control hydraulic system that can be more accurate, while the addition of the safe valve group of accumulator and accumulator, so that total system is more stable.
Description
Technical field
This application involves planisher field, the servo valve platform hydraulic system of especially a kind of planisher.
Background technique
Currently, valve platform hydraulic system using more and more extensive and more and more mature, but system in the prior art is past
Accuracy is low, hydraulic unstable phenomenon toward occurring, and influences very much the working efficiency of system.
Utility model content
The purpose of this utility model is to provide a kind of servo valve platform hydraulic systems of planisher, to overcome in the prior art
Deficiency.
To achieve the above object, the utility model provides the following technical solutions：
The embodiment of the present application discloses the servo valve platform hydraulic system of planisher, it is characterised in that：Including the first oil cylinder,
Two oil cylinders and valve body, displacement sensor is equipped on first oil cylinder and the second oil cylinder, and the valve body is equipped with first and watches
Valve, the second servo valve, pressure reducing valve, oil inlet pipe, oil return pipe and drain mast are taken, the oil inlet pipe is equipped with the first branch, second point
Branch and third branch, first branch, the second branch, third branch respectively with the oil inlet of first servo valve, decompression
The oil inlet connection of the oil inlet of valve, the second servo valve, the oil return pipe is equipped with the 4th branch, quintafurcation and the 6th point
Branch, the 4th branch, quintafurcation, the 6th branch respectively with the oil outlet of the first servo valve, the oil outlet of pressure reducing valve, second
The oil outlet of servo valve connects, and the working oil path of first servo valve is connect with the first oil cylinder oil inlet mouth, second servo
The working oil path of valve is connect with the second oil cylinder oil inlet mouth, and it is oily with first respectively that the working oil path of the pressure reducing valve forms Liang Ge branch
Cylinder oil outlet and the connection of the second oil cylinder oil outlet, are equipped between the working oil path and the 6th branch of second servo valve and watch with second
The electromagnetic relief valve of valve parallel connection is taken, the overflow in parallel with pressure reducing valve is equipped between the working oil path of the pressure reducing valve and the 6th branch
Valve, the drain mast are equipped with branch and connect respectively with overflow valve and pressure reducing valve.
Preferably, in the servo valve platform hydraulic system of above-mentioned planisher, the working oil path of the pressure reducing valve and the 6th
The safe valve group of the accumulator in parallel with pressure reducing valve and pressure gauge are additionally provided between branch, the safe valve group of accumulator is connected with accumulation of energy
Device.
Preferably, in the servo valve platform hydraulic system of above-mentioned planisher, between first branch and the 4th branch
It is connected with accumulator secure group and accumulator, first branch is equipped with the pressure connected by pressure measuring tie-in with survey pressure hose
Table is connected with accumulator secure group and accumulator between the third branch and the 6th branch.
Preferably, in the servo valve platform hydraulic system of above-mentioned planisher, the working oil path of first servo valve and
Pressure measuring tie-in and pressure sensor are equipped in the working oil path of second servo valve.
Preferably, in the servo valve platform hydraulic system of above-mentioned planisher, the oil inlet pipe is equipped with high-pressure ball valve, institute
Flowline is stated equipped with check-valves, the drain mast is equipped with check valve.
Preferably, in the servo valve platform hydraulic system of above-mentioned planisher, the work of the pressure reducing valve has road also to set
There is high-pressure ball valve.
Compared with prior art, the utility model has the advantage of：
The hydraulic system, can be more accurate by displacement sensor and electromagnetic relief valve formation closed-loop system on oil cylinder
Control hydraulic system in pressure, while the addition of the safe valve group of accumulator and accumulator, so that total system is more stable.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application are not making the creative labor according to this for those of ordinary skill in the art
A little attached drawings obtain other attached drawings.
Fig. 1 show the structural principle signal of the servo valve platform hydraulic system of planisher in the utility model specific embodiment
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Detailed description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Join shown in Fig. 1, the servo valve platform hydraulic system of the planisher in the present embodiment, including the first oil cylinder 1, the second oil cylinder
2 and valve body 3, it is equipped with displacement sensor 24 on the first oil cylinder 1 and the second oil cylinder 2, valve body 3 is equipped with the first servo valve 4, the
Two servo valves 5, pressure reducing valve 6, oil inlet pipe 7, oil return pipe 8 and drain mast 9, oil inlet pipe 7 are equipped with the first branch 701, the second branch
702 and third branch 703, the oil inlet with the first servo valve 4 respectively of the first branch 701, the second branch 702, third branch 703
The oil inlet connection of mouth, the oil inlet of pressure reducing valve 6, the second servo valve 5, oil return pipe 8 are equipped with the 4th branch 801, quintafurcation
802 and the 6th branch 803, the 4th branch 801, quintafurcation 802, the 6th branch 803 are fuel-displaced with the first servo valve 4 respectively
The oil outlet connection of mouth, the oil outlet of pressure reducing valve 6, the second servo valve 5, the working oil path of the first servo valve 4 and the first oil cylinder 1 into
Hydraulic fluid port connection, the working oil path of the second servo valve 5 are connect with 2 oil inlet of the second oil cylinder, and the working oil path of pressure reducing valve 6 forms two
Branch connect with 1 oil outlet of the first oil cylinder and 2 oil outlet of the second oil cylinder respectively, the working oil path of the second servo valve 5 with the 6th point
It is equipped with the electromagnetic relief valve 10 in parallel with the second servo valve 5 between branch 803, is set between the working oil path of pressure reducing valve 6 and the 6th branch 803
There is the overflow valve 11 in parallel with pressure reducing valve 6, drain mast 7 is equipped with branch and connect respectively with overflow valve 11 and pressure reducing valve 6.
Further, the accumulator in parallel with pressure reducing valve 6 is additionally provided between the working oil path of pressure reducing valve 6 and the 6th point 803
Safe valve group 12 and pressure gauge 13, the safe valve group 12 of accumulator are connected with accumulator 14.
Further, it is connected with accumulator secure group 15 and accumulator 16 between the first branch 701 and the 4th branch 801,
First branch 701 is equipped with through pressure measuring tie-in 17 and surveys the pressure gauge 19 that pressure hose 18 connects, third branch 703 and the 6th point
Accumulator secure group 20 and accumulator 21 are connected between branch 803.
Further, pressure measuring tie-in is equipped in the working oil path of the first servo valve 4 and the working oil path of the second servo valve 5
22 and pressure sensor 23.
Further, oil inlet pipe 7 is equipped with high-pressure ball valve 25, and flowline 8 is equipped with check-valves 26, and drain mast 9 is equipped with
Check valve 27.
Further, the work of pressure reducing valve 6 has road to be additionally provided with high-pressure ball valve 28.
In the technical scheme, hydraulic system forms closed loop system by displacement sensor on oil cylinder and electromagnetic relief valve
It unites, the pressure in control hydraulic system that can be more accurate, while the addition of the safe valve group of accumulator and accumulator, so that whole
System system is more stable.
It is as follows that principle is embodied：
Hydraulic oil enters oil cylinder by the first servo valve being arranged on valve platform and the second servo valve in hydraulic system, is passing through
Pressure reducing valve oil return pushes oil cylinder to do round-trip effect, by the mating reaction of displacement sensor and electromagnetic relief valve on oil cylinder,
It can be accurately controlled the stroke of oil cylinder back and forth movement, while multiple accumulators of deploying to ensure effective monitoring and control of illegal activities between each road stablize the pressure of total system
Power prevents compression shock.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including element.
The above is only the specific embodiments of the application, it is noted that those skilled in the art are come
It says, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as
The protection scope of the application.
Claims (6)
1. a kind of servo valve platform hydraulic system of planisher, it is characterised in that：Including the first oil cylinder, the second oil cylinder and valve body,
Be equipped with displacement sensor on first oil cylinder and the second oil cylinder, the valve body be equipped with the first servo valve, the second servo valve,
Pressure reducing valve, oil inlet pipe, oil return pipe and drain mast, the oil inlet pipe is equipped with the first branch, the second branch and third branch, described
First branch, the second branch, third branch are watched with the oil inlet of first servo valve, the oil inlet of pressure reducing valve, second respectively
The oil inlet connection of valve is taken, the oil return pipe is equipped with the 4th branch, quintafurcation and the 6th branch, the 4th branch, the
Quintafurcation, the 6th branch connect with the oil outlet of the oil outlet of the first servo valve, the oil outlet of pressure reducing valve, the second servo valve respectively
It connects, the working oil path of first servo valve is connect with the first oil cylinder oil inlet mouth, the working oil path of second servo valve and the
The connection of two oil cylinder oil inlet mouths, it is oily with the first oil cylinder oil outlet and second respectively that the working oil path of the pressure reducing valve forms Liang Ge branch
The connection of cylinder oil outlet, is equipped between the working oil path and the 6th branch of second servo valve and overflows with the electromagnetism of the second parallel connection of servo valves
Valve is flowed, the overflow valve in parallel with pressure reducing valve is equipped between the working oil path of the pressure reducing valve and the 6th branch, is set on the drain mast
There is branch to connect respectively with overflow valve and pressure reducing valve.
2. a kind of servo valve platform hydraulic system of planisher according to claim 1, it is characterised in that：The pressure reducing valve
The safe valve group of the accumulator in parallel with pressure reducing valve and pressure gauge, the accumulator safety are additionally provided between working oil path and the 6th branch
Valve group is connected with accumulator.
3. a kind of servo valve platform hydraulic system of planisher according to claim 1, it is characterised in that：First branch
Accumulator secure group and accumulator are connected between the 4th branch, first branch is equipped with through pressure measuring tie-in and surveys pressure
The pressure gauge of hose connection, is connected with accumulator secure group and accumulator between the third branch and the 6th branch.
4. a kind of servo valve platform hydraulic system of planisher according to claim 1, it is characterised in that：First servo
Pressure measuring tie-in and pressure sensor are equipped in the working oil path of valve and the working oil path of the second servo valve.
5. a kind of servo valve platform hydraulic system of planisher according to claim 1, it is characterised in that：On the oil inlet pipe
Equipped with high-pressure ball valve, the flowline is equipped with check-valves, and the drain mast is equipped with check valve.
6. a kind of servo valve platform hydraulic system of planisher according to claim 1, it is characterised in that：The pressure reducing valve
Work has road to be additionally provided with high-pressure ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820745807.1U CN208153433U (en) | 2018-05-18 | 2018-05-18 | The servo valve platform hydraulic system of planisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820745807.1U CN208153433U (en) | 2018-05-18 | 2018-05-18 | The servo valve platform hydraulic system of planisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153433U true CN208153433U (en) | 2018-11-27 |
Family
ID=64387721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820745807.1U Expired - Fee Related CN208153433U (en) | 2018-05-18 | 2018-05-18 | The servo valve platform hydraulic system of planisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153433U (en) |
-
2018
- 2018-05-18 CN CN201820745807.1U patent/CN208153433U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 |