CN208793352U - A kind of function switch solenoid valve block and hydraulic system - Google Patents
A kind of function switch solenoid valve block and hydraulic system Download PDFInfo
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- CN208793352U CN208793352U CN201821262636.3U CN201821262636U CN208793352U CN 208793352 U CN208793352 U CN 208793352U CN 201821262636 U CN201821262636 U CN 201821262636U CN 208793352 U CN208793352 U CN 208793352U
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- 239000012530 fluid Substances 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 74
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses the function switch solenoid valve blocks and hydraulic system of a kind of recognizable executive component direction of action, including electromagnetic switch valve group, shuttle valve and with the valve body of internal galleries；The oil inlet of valve group is used to connect the hydraulic circuit of executive component one for connecting control element, first group of oil outlet, and second group of oil outlet is used to connect the hydraulic circuit of executive component two, and oil return opening is for connecting oil return circuit；In valve inner, the left and right both ends of the intracorporal shuttle valve of valve are penetrated through with first group of oil outlet oil duct perforation or with second group of oil outlet oil duct；Pressure-detecting device is arranged in the connection of shuttle valve oil outlet, at least one hydraulic fluid port connection setting pressure-detecting device in first group of oil outlet or first group of oil outlet；By the pressure signal for acquiring pressure-detecting device, it is convenient to identify the direction of executive component movement.The valve group has the characteristics that compact-sized, integrated level is high, simplifies external pipeline arrangement, is easy to maintenance.
Description
Technical field
The utility model belongs to technical field of engineering machinery, and in particular to a kind of function switch solenoid valve block and hydraulic pressure system
System, is designed by valve inner oil duct, realizes the identification of executive component direction of action.
Background technique
Solenoid valve is commonly used in construction machinery hydraulic system, multiple solenoid valves can realize the mutual switching of different function.
Often, need two solenoid valves and meanwhile it is electric, form an oil inlet oil circuit, an oil return circuit, and two oil circuits are in company
Logical state, can just switch the machine under a certain function and work normally.
In the prior art, it is the purpose for realizing function switch, has existed the solenoid valve that multiple solenoid valves are integrated
Group enormously simplifies pipeline arrangement, but its effect is limited only to the switching between different function, and there is no realize executive component
The identification of direction of action.
With the development of intelligent control technology, the signal that the controller in engineering machinery needs to acquire is more and more, for
Certain key functions not only need to identify the presence or absence of the function action, it is also necessary to the direction of identification maneuver.This just needs to increase very
The test point of Multi-oil circuit, conventional method are all by three-way connection, the method for drawing branch's oil circuit, and then serial conversion connector connects
It is connected to detection device, pipeline arrangement is complicated, assembles and is easy error, manufacturing cost is high, inconvenient maintenance.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of function switch solenoid valve block
And hydraulic system, it can recognize executive component direction of action.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of function switch solenoid valve block, it is characterised in that: including electromagnetic switch valve group, shuttle valve and with internal galleries
Valve body；
The oil inlet of valve group is used to connect the hydraulic oil of executive component one for connecting control element, first group of oil outlet
Road, second group of oil outlet are used to connect the hydraulic circuit of executive component two, and oil return opening is for connecting oil return circuit；
In valve inner, the left and right both ends of the intracorporal shuttle valve of valve penetrate through with first group of oil outlet oil duct or go out with second group
The perforation of hydraulic fluid port oil duct；Shuttle valve oil outlet, which connects, is arranged pressure-detecting device, in first group of oil outlet or first group of oil outlet extremely
Few hydraulic fluid port connection setting pressure-detecting device；By acquiring the pressure signal of pressure-detecting device, executive component is identified
And its direction of action.
Preferably, the function switch solenoid valve block, it is characterised in that: the electromagnetic switch valve group is multiple
Three position four-way electromagnetic valve, two position four-way solenoid valves, two-bit triplet solenoid valve.
More preferably, the electromagnetic switch valve group integrates two three position four-way electromagnetic valves.
Further, the function switch solenoid valve block, it is characterised in that: including electromagnetic switch valve group, shuttle valve and tool
There is the valve body of internal galleries；The oil inlet P 1 of valve group, P2 are used to connect for connecting control element, first group of oil outlet A1, A2
The hydraulic circuit of executive component one, second group of oil outlet B1, B2 are used to connect the hydraulic circuit of executive component two, and oil return inlet T is used
In connection oil return circuit, in valve inner, hydraulic fluid port A1 ' and oil duct A1 are penetrated through, and oil duct A1 and shuttle valve left end penetrate through, oil duct A2 and shuttle
The perforation of valve right end, hydraulic fluid port C1 and shuttle valve oil outlet penetrate through；Hydraulic fluid port A1 ', C1 connection pressure-detecting device.
Further, the function switch solenoid valve block, it is characterised in that: when two electricity of Y1a, Y2a of solenoid valve block
When magnet obtains electric, two solenoid valves are switched to right median function by Median Function, and P1 oil circuit and A1 oil communication are formed into/oil return
Access, P2 oil circuit and A2 oil communication form back/oil inlet access, and the oil circuit of executive component one is connected to, and indicate that machine is switched to
Function one.
Further, the function switch solenoid valve block, it is characterised in that: when two electricity of Y1b, Y2b of solenoid valve block
When magnet obtains electric, two solenoid valves are switched to left position function by Median Function, and P1 oil circuit and B1 oil communication are formed into/oil return
Access, P2 oil circuit and B2 oil communication form back/oil inlet access, and the oil circuit of executive component two is connected to, and indicate that machine is switched to
Function two.
The present invention also provides a kind of construction machinery hydraulic system, it is integrated with function switch solenoid valve described in one or more
Group.
Preferably, the construction machinery hydraulic system, it is characterised in that: further include pilot handle, execute member
Part one, executive component two, executive component three, executive component four, multiple directional control valve；It is integrated that there are two function switch solenoid valve blocks；
Pilot handle and four oil inlets of valve group are respectively communicated with, four groups of oil outlets of valve group pass through respectively multiple directional control valve respectively with hold
The hydraulic circuit connection of units one, executive component two, executive component three, executive component four.
The utility model has the advantages that function switch solenoid valve block provided by the utility model and hydraulic system, can recognize that executive component is dynamic
Make direction, and it is compact-sized, integrated level is high, simplifies external pipeline arrangement, is easy to maintenance.
Detailed description of the invention
Fig. 1 is the hydraulic schematic diagram of the utility model；
Fig. 2 is the case study on implementation schematic diagram of the utility model；
Fig. 3 is the case study on implementation outline drawing of the utility model；
Fig. 4 is the case study on implementation fluid pressure line connection figure of the utility model.
In figure: pilot handle 1, solenoid valve block 2, electromagnetic switch valve group 21, shuttle valve 22, valve body 23；
Executive component 1, executive component 24, executive component 35, executive component 46, multiple directional control valve 7, pressure detecting
Device 8.
Specific embodiment
The utility model is further described combined with specific embodiments below.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of function switch solenoid valve block of recognizable executive component direction of action, including electromagnetism
Commutate valve group 21, shuttle valve 22 and the valve body 23 with internal galleries.P1, P2 hydraulic fluid port of valve group for connecting control element, A1,
A2 hydraulic fluid port is used to connect the hydraulic circuit of executive component 1, and B1, B2 hydraulic fluid port are used to connect the hydraulic circuit of executive component 24, T
Hydraulic fluid port is for connecting oil return circuit, and A1 ', C1 hydraulic fluid port are for connecting pressure-detecting device.In valve inner, A1 ' hydraulic fluid port and A1 oil
Road perforation, A1 oil duct and shuttle valve left end penetrate through, and A2 oil duct and shuttle valve right end penetrate through, and C1 hydraulic fluid port and shuttle valve oil outlet penetrate through.In addition
Two solenoid valves are the continuation of integrated magnet valves group, and for the switching of function three and function four, principle is identical, is not repeated to explain
It states.
The integrated electromagnetic switch valve group 21 of the valve group can be multiple three position four-way electromagnetic valves, two position four-way solenoid valves, two
Position-3-way solenoid valve.Particularly, the present embodiment is integrated with two three position four-way electromagnetic valves.
The left and right both ends of shuttle valve 22 in valve body 23 can penetrate through with A1, A2 oil duct or penetrate through with B1, B2 oil duct.Especially
Ground, the present embodiment selection will be for the left and right both ends of shuttle valve and the perforation of A1, A2 oil duct.
When two electromagnet of Y1a, Y2a of solenoid valve block obtain electric, two solenoid valves are switched to right position by Median Function
Function, P1 oil circuit and A1 oil communication are formed into (/ return) oily access, and P2 oil circuit and A2 oil communication form back (/ into) oil access,
The oil circuit of executive component one is connected to, and indicates that machine is switched to function one.
As long as the elevated pressures of A1, A2 oil circuit will be transferred to valve group from shuttle valve 22 at this point, function one has movement to export
The outlet C1, this pressure signal can be acquired by the pressure-detecting device 8 for being mounted on C1 mouthfuls, and be transferred to the control unit of machine, from
And it identifies function one and has begun movement.
When function one is acted by the side oil inlet of A1 oil circuit, the pressure of valve group A1 oil circuit is transferred to the A1 ' of valve group respectively
Outlet and the outlet C1, the two pressure signals are acquired by the pressure-detecting device 8 for being mounted on A1 ' mouth and C1 mouthfuls respectively, and are transmitted
To the control unit of machine, to identify that function acts at the beginning, and the direction acted is the corresponding side of A1 oil circuit.
When function one is acted by the side oil inlet of A2 oil circuit, the pressure of valve group A2 oil circuit is transferred to the outlet C1 of valve group,
This pressure signal is acquired by the pressure-detecting device 8 for being mounted on C1 mouthfuls, and is transferred to the control unit of machine, to identify
Function acts at the beginning out, and the direction acted is the corresponding side of A2 oil circuit.
When two electromagnet of Y1b, Y2b of solenoid valve block obtain electric, two solenoid valves are switched to left position by Median Function
Function, P1 oil circuit and B1 oil communication are formed into (/ return) oily access, and P2 oil circuit and B2 oil communication form back (/ into) oil access,
The oil circuit of executive component two is connected to, and realizes the switching for arriving function two.
As shown in figure 4, a kind of construction machinery hydraulic system, is integrated with function switch solenoid valve block described in one or more
2.It further include pilot handle 1, executive component 1, executive component 24, executive component 35, executive component 46, multiple directional control valve
7；Solenoid valve block 2 is integrated, and there are two function switch solenoid valve blocks；Four oil inlet Ps 1, P2, P3, P4 of pilot handle 1 and valve group
Be respectively communicated with, four groups of oil outlets of valve group pass through respectively multiple directional control valve 7 respectively with executive component 1, executive component 24, hold
The hydraulic circuit connection of units 35, executive component 46.Its principle is identical as embodiment, is not repeated to be described in detail；And so on,
It can integrate multiple function switch solenoid valve blocks, to realize the identification of more multi-execution component function.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of function switch solenoid valve block, it is characterised in that: including electromagnetic switch valve group, shuttle valve and with the valve of internal galleries
Body；
The oil inlet of valve group is used to connect the hydraulic circuit of executive component one for connecting control element, first group of oil outlet, the
Two groups of oil outlets are used to connect the hydraulic circuit of executive component two, and oil return opening is for connecting oil return circuit；
In valve inner, the left and right both ends of the intracorporal shuttle valve of valve and first group of oil outlet oil duct perforation or with second group of oil outlet
Oil duct perforation；Shuttle valve oil outlet, which connects, is arranged pressure-detecting device, and at least one in first group of oil outlet or first group of oil outlet
A hydraulic fluid port connection setting pressure-detecting device；By acquire pressure-detecting device pressure signal, identify executive component and its
Direction of action.
2. function switch solenoid valve block according to claim 1, it is characterised in that: the electromagnetic switch valve group is multiple three
Position four-way solenoid valve, two position four-way solenoid valves, two-bit triplet solenoid valve.
3. function switch solenoid valve block according to claim 1, it is characterised in that: the electromagnetic switch valve group is two integrated
Three position four-way electromagnetic valve.
4. function switch solenoid valve block according to claim 3, it is characterised in that: including electromagnetic switch valve group, shuttle valve and
Valve body with internal galleries；The oil inlet P 1 of valve group, P2 are used to connect for connecting control element, first group of oil outlet A1, A2
The hydraulic circuit of executive component one is connect, second group of oil outlet B1, B2 are used to connect the hydraulic circuit of executive component two, oil return inlet T
For connecting oil return circuit, in valve inner, hydraulic fluid port A1 ' and oil duct A1 are penetrated through, and oil duct A1 and shuttle valve left end penetrate through, oil duct A2 with
The perforation of shuttle valve right end, hydraulic fluid port C1 and shuttle valve oil outlet penetrate through；Hydraulic fluid port A1 ', C1 connection pressure-detecting device.
5. function switch solenoid valve block according to claim 4, it is characterised in that: when Y1a, Y2a two of solenoid valve block
When electromagnet obtains electric, two solenoid valves are switched to right median function by Median Function, P1 oil circuit and A1 oil communication formed into/return
Oily access, P2 oil circuit and A2 oil communication form back/oil inlet access, and the oil circuit of executive component one is connected to, and indicate machine switching
To function one.
6. function switch solenoid valve block according to claim 4, it is characterised in that: when Y1b, Y2b two of solenoid valve block
When electromagnet obtains electric, two solenoid valves are switched to left position function by Median Function, P1 oil circuit and B1 oil communication formed into/return
Oily access, P2 oil circuit and B2 oil communication form back/oil inlet access, and the oil circuit of executive component two is connected to, and indicate machine switching
To function two.
7. a kind of hydraulic system, which is characterized in that be integrated with one or more functions as claimed in any one of claims 1 to 6 and cut
Change solenoid valve block.
8. hydraulic system according to claim 7, it is characterised in that: further include pilot handle, executive component one, execute member
Part two, executive component three, executive component four, multiple directional control valve；It is integrated that there are two function switch solenoid valve blocks；Pilot handle and valve
Group four oil inlets be respectively communicated with, four groups of oil outlets of valve group pass through respectively multiple directional control valve respectively with executive component one, hold
The hydraulic circuit connection of units two, executive component three, executive component four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262636.3U CN208793352U (en) | 2018-08-07 | 2018-08-07 | A kind of function switch solenoid valve block and hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262636.3U CN208793352U (en) | 2018-08-07 | 2018-08-07 | A kind of function switch solenoid valve block and hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793352U true CN208793352U (en) | 2019-04-26 |
Family
ID=66204767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262636.3U Withdrawn - After Issue CN208793352U (en) | 2018-08-07 | 2018-08-07 | A kind of function switch solenoid valve block and hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730256A (en) * | 2018-08-07 | 2018-11-02 | 徐州徐工基础工程机械有限公司 | A kind of function switch solenoid valve block and hydraulic system |
| CN110594224A (en) * | 2019-09-25 | 2019-12-20 | 航天重型工程装备有限公司 | Integrated hydraulic control unit |
-
2018
- 2018-08-07 CN CN201821262636.3U patent/CN208793352U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730256A (en) * | 2018-08-07 | 2018-11-02 | 徐州徐工基础工程机械有限公司 | A kind of function switch solenoid valve block and hydraulic system |
| CN108730256B (en) * | 2018-08-07 | 2023-12-15 | 徐州徐工基础工程机械有限公司 | Function switching electromagnetic valve group and hydraulic system |
| CN110594224A (en) * | 2019-09-25 | 2019-12-20 | 航天重型工程装备有限公司 | Integrated hydraulic control unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190426 Effective date of abandoning: 20231215 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190426 Effective date of abandoning: 20231215 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |