CN206845566U - Profit pressure conversion device - Google Patents
Profit pressure conversion device Download PDFInfo
- Publication number
- CN206845566U CN206845566U CN201720329679.8U CN201720329679U CN206845566U CN 206845566 U CN206845566 U CN 206845566U CN 201720329679 U CN201720329679 U CN 201720329679U CN 206845566 U CN206845566 U CN 206845566U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic switch
- displacement
- hydraulic
- pressure
- push rod
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of profit pressure conversion device, including hydraulic cylinder, four electromagnetic switch and displacement electromagnetic switch;Hydraulic cylinder is opened by push rod displacement command displacement electromagnetic switch and closure realizes connecting and disconnecting of the circuit, command displacement electromagnetic switch is opened and closure;Displacement electromagnetic switch is connected with the first electromagnetic switch, the 3rd electromagnetic switch respectively by the first circuit, and displacement electromagnetic switch is connected with the second electromagnetic switch, the 4th electromagnetic switch respectively by second circuit;First electromagnetic switch, the second electromagnetic switch are connected by pipeline respectively at three hydraulic cylinder bottoms;3rd electromagnetic switch, the 4th electromagnetic switch are connected by piston end of the pipeline respectively with three hydraulic cylinders;The utility model profit pressure conversion device, the stable oil pressure at servo-hydraulic station can be converted to stable hydraulic pressure output, realize the purpose of Water hydraulic static pressure loading, and accomplish that oil separates with water when carrying out profit pressure conversion, the recyclable recycling of hydraulic oil, reduced and waste.
Description
Technical field
A kind of servo-hydraulic station is the utility model is related to, specifically a kind of profit pressure conversion device.
Background technology
Servo-hydraulic station provides stable oil pressure, and some model tests need to load hydraulic pressure(As pore water pressure loads), no
It is adapted to load using oil pressure, it is necessary to which oil pressure is converted into stable hydraulic pressure output.High pressure liquid force feed can form breast once being contacted with water
Compound can not continue with, and thereby result in substantial amounts of hydraulic oil loss, increase experimentation cost.Oil pressure is being converted into hydraulic pressure output
While, avoid high pressure liquid force feed from being contacted with water, solve method currently without preferable.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of profit pressure conversion device, will be stable
Oil pressure is converted to the device of stable hydraulic pressure output, can realize oil-water pressure conversion, at the same by piston separate hydraulic oil and
Water, avoid high pressure liquid force feed from meeting water emulsification and cause to waste.
To achieve these goals, the technical solution adopted in the utility model is:A kind of profit pressure conversion device, including
Hydraulic cylinder, four electromagnetic switch and displacement electromagnetic switch;The hydraulic cylinder has three, and one of hydraulic cylinder is to have push rod type,
Two are without push rod type, have push rod type hydraulic cylinder by push rod displacement command displacement electromagnetic switch, open and closure realizes circuit
Break-make, command displacement electromagnetic switch is opened and closure;The displacement electromagnetic switch is opened with the first electromagnetism respectively by the first circuit
Close, the connection of the 3rd electromagnetic switch, displacement electromagnetic switch is connected with the second electromagnetic switch, the 4th electromagnetic switch respectively by second circuit
Connect;First electromagnetic switch, the second electromagnetic switch are connected by pipeline respectively at three hydraulic cylinder bottoms;3rd electricity
Magnetic switch, the 4th electromagnetic switch are connected by piston end of the pipeline respectively with three hydraulic cylinders;First electromagnetic switch connects
Water injecting pipeline is connect, second electromagnetic switch connects hydraulic pressure output pipe, and the 3rd electromagnetic switch connects hydraulic oil recovery tube
Road connects, and the 4th electromagnetic switch connects oil pressure intake line.
The utility model is further, and the pipeline uses high-pressure rubber pipe.
The utility model is further, when the hydraulic cylinder push rod displacement reaches the minimum and maximum stroke of setting, triggering
Displacement electromagnetic switch is opened and closure.
The utility model profit pressure conversion device, by displacement electromagnetic switch in device loading procedure, utilize hydraulic cylinder
Mandril position shifter control circuit break-make, control electromagnetic switch is opened and closure, and the stable oil pressure at servo-hydraulic station can be utilized to realize
Stable hydraulic pressure output, realizes " loading-hydraulic cylinder moisturizing-hydraulic oil recovery-piston playback-loading " this profit pressure conversion journey
Sequence, and when carrying out profit pressure conversion, oil is separated with water by piston in hydraulic cylinder, avoids high pressure liquid force feed from meeting water emulsification
Cause to waste, hydraulic oil can be reused by loop, reduced and wasted.
Brief description of the drawings
Fig. 1 is hydraulic principle block diagram of the present utility model;
In figure:1st, hydraulic cylinder, 2, piston, 3, push rod, 4, displacement electromagnetic switch, the 5, first circuit, 6, second circuit, 7, high
Moulding pipe, the 8, first electromagnetic switch, the 9, second electromagnetic switch, the 10, the 3rd electromagnetic switch, the 11, the 4th electromagnetic switch, 12, water filling
Pipeline, 13, hydraulic pressure output pipe, 14, hydraulic oil recovery pipe, 15, oil pressure intake line.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in figure 1, a kind of profit pressure conversion device of the utility model, including hydraulic cylinder 1, four electromagnetic switch and position
Move electromagnetic switch 4;Hydraulic cylinder 1 has three, and for one of hydraulic cylinder 1 to there is push rod type, two are without push rod type, there is push rod type liquid
Cylinder pressure 1 is opened by push rod displacement command displacement electromagnetic switch 4 and closure realizes connecting and disconnecting of the circuit, command displacement electromagnetic switch 4 is opened
Open and close;When having here preset at the minimum and maximum stroke of push rod displacement, the push rod displacement of hydraulic cylinder 1 reaches the maximum and most of setting
During small stroke, the closure or openness of triggering displacement electromagnetic switch 4.Displacement electromagnetic switch 4 by the first circuit 5 respectively with the first electromagnetism
The 8, the 3rd electromagnetic switch 10 of switch connects, and displacement electromagnetic switch 4 is electric with the second electromagnetic switch the 9, the 4th respectively by second circuit 6
Magnetic switch 11 connects;First electromagnetic switch 8, the second electromagnetic switch 9 are connected by pipeline respectively at three cylinder bottom ends of hydraulic cylinder 1
Connect;3rd electromagnetic switch 10, the 4th electromagnetic switch 11 are connected by piston end of the pipeline respectively with three hydraulic cylinders 1;
First electromagnetic switch 8 connects water injecting pipeline 12, and the second electromagnetic switch 9 connection hydraulic pressure output pipe 13, the 3rd electromagnetic switch 10 connects
Connect hydraulic oil recovery pipe 14 to connect, the 4th electromagnetic switch 11 connection oil pressure intake line 15.
The utility model hydraulic cylinder is divided into two classes, and one kind is that another kind is has push rod type, the liquid for having push rod type without push rod type
Cylinder pressure push rod is subjected to displacement in loading procedure, touches displacement switch, realizes connecting and disconnecting of the circuit, and control electromagnetic switch is opened and closed
Close.There is piston inside hydraulic cylinder, piston plays a part of oil-water separation and transmits pressure.
On the basis of said structure, the utility model pipeline uses high-pressure rubber pipe, has excellent oil resistant, heat-resisting, resistance to old
Change performance, bearing capacity is high, and pulse behaviors are superior, and body is tightly combined, and using softness, deform under stress small.
Utility model works principle is as follows:When the utility model carries out profit pressure conversion, manual unlocking displacement first
Switch 4, the path of the first circuit 5 is realized, the open circuit of second circuit 6, by water injecting pipeline 12, the water filling into hydraulic cylinder 1, promotes piston
2 and push rod 3 move, when push rod 3 moves to setting range, displacement switch 4 switches, the open circuit of the first circuit 5, second circuit
6 paths, the oil pressure at servo-hydraulic station are moved by the oil transportation into hydraulic cylinder 1 of oil pressure intake line 15, promotion piston 2 and push rod 3,
Oil pressure is converted into hydraulic pressure by hydraulic oil by piston, and hydraulic pressure realizes that stable hydraulic pressure exports by hydraulic pressure output pipe 13, when push rod 3
When moving to setting minimum stroke, displacement switch 4 is touched, the first circuit 5 and second circuit 6 switch break-make, start moisturizing program,
The water filling into hydraulic cylinder 1, piston 2 and push rod 3 is promoted to move, the hydraulic oil in piston cylinder is discharged hydraulic pressure during moisturizing
Cylinder, the fuel tank of loading device is returned to by hydraulic oil recovery pipe 14, realization recycles, when push rod 3 moves to setting maximum
During stroke, said process is repeated.
Certainly, above-described embodiment is only preferred scheme of the present utility model, is specifically not limited thereto, and on this basis may be used
Made according to being actually needed with targetedly adjusting, so as to obtain different embodiments.Due to mode in the cards compared with
It is more, just no longer illustrate one by one here.
Claims (3)
1. a kind of profit pressure conversion device, it is characterised in that including hydraulic cylinder(1), four electromagnetic switch and displacement electromagnetism open
Close(4);
The hydraulic cylinder(1)There are three, one of hydraulic cylinder(1)To there is push rod type, two are without push rod type, there is push rod type liquid
Cylinder pressure(1)Pass through push rod displacement command displacement electromagnetic switch(4), open and closure realize connecting and disconnecting of the circuit, command displacement electromagnetism is opened
Close(4)Open and close;
The displacement electromagnetic switch(4)Pass through the first circuit(5)Respectively with the first electromagnetic switch(8), the 3rd electromagnetic switch(10)
Connection, displacement electromagnetic switch(4)Pass through second circuit(6)Respectively with the second electromagnetic switch(9), the 4th electromagnetic switch(11)Even
Connect;First electromagnetic switch(8), the second electromagnetic switch(9)By pipeline respectively at three hydraulic cylinders(1)Cylinder bottom end connects;
3rd electromagnetic switch(10), the 4th electromagnetic switch(11)By pipeline respectively with three hydraulic cylinders(1)Piston end connection;
First electromagnetic switch(8)Connect water injecting pipeline(12), second electromagnetic switch(9)Connect hydraulic pressure output pipe
(13), the 3rd electromagnetic switch(10)Connect hydraulic oil recovery pipe(14)Connection, the 4th electromagnetic switch(11)Connection
Oil pressure intake line(15).
A kind of 2. profit pressure conversion device according to claim 1, it is characterised in that the hydraulic cylinder(1)Mandril position
When shifting reaches the minimum and maximum stroke of setting, displacement electromagnetic switch is triggered(4)Open and close.
3. a kind of profit pressure conversion device according to claim 1 or 2, it is characterised in that the pipeline uses high pressure
Sebific duct.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720329679.8U CN206845566U (en) | 2017-03-31 | 2017-03-31 | Profit pressure conversion device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720329679.8U CN206845566U (en) | 2017-03-31 | 2017-03-31 | Profit pressure conversion device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206845566U true CN206845566U (en) | 2018-01-05 |
Family
ID=60791685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720329679.8U Withdrawn - After Issue CN206845566U (en) | 2017-03-31 | 2017-03-31 | Profit pressure conversion device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206845566U (en) |
-
2017
- 2017-03-31 CN CN201720329679.8U patent/CN206845566U/en not_active Withdrawn - After Issue
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20180309 |
|
AV01 | Patent right actively abandoned |