CN208381005U - A kind of tension of steel strand detector hydraulic device - Google Patents
A kind of tension of steel strand detector hydraulic device Download PDFInfo
- Publication number
- CN208381005U CN208381005U CN201820687014.9U CN201820687014U CN208381005U CN 208381005 U CN208381005 U CN 208381005U CN 201820687014 U CN201820687014 U CN 201820687014U CN 208381005 U CN208381005 U CN 208381005U
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- CN
- China
- Prior art keywords
- oil
- way
- valve
- electromagnetic directional
- directional valve
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of tension of steel strand detector hydraulic devices, including oil pump, two-way cylinder and fuel tank, the oil pump is connected by oil inlet pipe with fuel tank, the oil outlet of the oil pump is connected with working connection, the other end of the working connection is connected with three-position four-way electromagnetic directional valve, the first overflow valve is provided on the working connection between oil pump and three-position four-way electromagnetic directional valve, the oil inlet of the three-position four-way electromagnetic directional valve is connected with working connection, the oil return opening of the three-position four-way electromagnetic directional valve is connected by oil return pipe with fuel tank, two actuator ports of the three-position four-way electromagnetic directional valve are connected separately with out top oil circuit and the oil circuit that returns back to top, the other end of the oil circuit of top out is connected with the top hydraulic fluid port that goes out of two-way cylinder, the other end of the oil circuit that returns back to top is connected with the hydraulic fluid port that returns back to top of two-way cylinder；The utility model has good reliability, and design rationally, runs the features such as smooth.
Description
Technical field
The utility model relates to a kind of tension of steel strand detector hydraulic devices, particularly relate to a kind of steel strand wires drawing
Force detector hydraulic device.
Background technique
Currently, commonly using steel strand wires in bridge prestress construction, steel strand wires need to carry out pulling force before construction at present
It examines, needs to maintain the pulling force of appraising and deciding of a period of time in tension of steel strand detection, and existing tension of steel strand examines equipment
The mode for mostly using motor reducer to drive, its pulling force of this driving method maintains performance poor, to common motor reducer
It is a huge challenge for equipment, often seriously affects its service life.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of tension of steel strand detector hydraulic devices, have
Good reliability, design rationally, run the features such as smooth.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of tension of steel strand detector use
Hydraulic device, including oil pump, two-way cylinder and fuel tank, the oil pump are connected by oil inlet pipe with fuel tank, and the oil pump goes out
Hydraulic fluid port is connected with working connection, and the other end of the working connection is connected with three-position four-way electromagnetic directional valve, is located on the working connection
Be provided with the first overflow valve between oil pump and three-position four-way electromagnetic directional valve, the oil inlet of the three-position four-way electromagnetic directional valve with
Working connection is connected, and the oil return opening of the three-position four-way electromagnetic directional valve is connected by oil return pipe with fuel tank, the 3-position 4-way electricity
Two actuator ports of magnetic reversal valve are connected separately with out top oil circuit and the oil circuit that returns back to top, described to go out to push up the other end and double cropping of oil circuit
It is connected with the top hydraulic fluid port that goes out of oil cylinder, the other end of the oil circuit that returns back to top is connected with the hydraulic fluid port that returns back to top of two-way cylinder；It is described to go out to push up
The first hydraulic control one-way valve, bi-bit bi-pass are disposed with by the direction of three-position four-way electromagnetic directional valve to two-way cylinder on oil circuit
Solenoid directional control valve, the second hydraulic control one-way valve, the control oil circuit of second hydraulic control one-way valve and the hydraulic fluid port that returns back to top of two-way cylinder
It is connected, the oil inlet of second hydraulic control one-way valve is connected by oil pipe with fuel tank；It is located at 3-position 4-way on the oil circuit that returns back to top
The second overflow valve is provided between solenoid directional control valve and two-way cylinder.
As a kind of supplement to technical solution described in the utility model, oil cleaner screen is provided on the oil inlet pipe.
The utility model has the advantages that it passes through hydraulic system the utility model relates to a kind of tension of steel strand detector hydraulic device
The mode of control makes pull action cylinder (two-way cylinder) that can be in a relatively stable value of thrust, stability for a long time
It is compared with the service life and there is preferable effect for the driving method of existing motor reducer；Compared to this reality for the prior art
There is good reliability with novel, design rationally, runs the features such as smooth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: 1, oil pump, 2, two-way cylinder, 3, fuel tank, 4, oil inlet pipe, 5, working connection, 6,3-position 4-way electromagnetism
Reversal valve, the 7, first overflow valve, the 8, second overflow valve, 9, oil return pipe, 10, go out top oil circuit, 11, return back to top oil circuit, the 12, first hydraulic control
Check valve, 13, two-position two-way electromagnetic directional valve, the 14, second hydraulic control one-way valve, 15, oil cleaner screen.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiments of the present invention is related to a kind of tension of steel strand detector hydraulic device, as shown in Figure 1, including
Oil pump 1, two-way cylinder 2 and fuel tank 3, the oil pump 1 are connected by oil inlet pipe 4 with fuel tank 3, and the oil outlet of the oil pump 1 connects
It is connected to working connection 5, the other end of the working connection 5 is connected with three-position four-way electromagnetic directional valve 6, is located at oil on the working connection 5
The first overflow valve 7, the oil inlet of the three-position four-way electromagnetic directional valve 6 are provided between pump 1 and three-position four-way electromagnetic directional valve 6
It is connected with working connection 5, the oil return opening of the three-position four-way electromagnetic directional valve 6 is connected by oil return pipe 9 with fuel tank 3, and described three
Two actuator ports of four-way electromagnetic reversing valve 6 are connected separately with out top oil circuit 10 and the oil circuit 11 that returns back to top, described to go out to push up oil circuit 10
The top hydraulic fluid port that goes out of the other end and two-way cylinder 2 be connected, the return back to top other end of oil circuit 11 and the returning back to top for two-way cylinder 2
Hydraulic fluid port is connected；It is described go out top oil circuit 10 on by the direction of three-position four-way electromagnetic directional valve 6 to two-way cylinder 2 be disposed with the
One hydraulic control one-way valve 12, two-position two-way electromagnetic directional valve 13, the second hydraulic control one-way valve 14, the control of second hydraulic control one-way valve 14
Liquefaction road is connected with the hydraulic fluid port that returns back to top of two-way cylinder 2, and the oil inlet of second hydraulic control one-way valve 14 passes through oil pipe and fuel tank 3
It is connected；The second overflow valve is provided between three-position four-way electromagnetic directional valve 6 and two-way cylinder 2 on the oil circuit 11 that returns back to top
8。
Oil cleaner screen 15 is provided on the oil inlet pipe 4.
Claims (2)
1. a kind of tension of steel strand detector hydraulic device, it is characterised in that: including oil pump (1), two-way cylinder (2) and oil
Case (3), the oil pump (1) are connected by oil inlet pipe (4) with fuel tank (3), and the oil outlet of the oil pump (1) is connected with working connection
(5), the other end of the working connection (5) is connected with three-position four-way electromagnetic directional valve (6), and oil pump is located on the working connection (5)
(1) it is provided between three-position four-way electromagnetic directional valve (6) the first overflow valve (7), the three-position four-way electromagnetic directional valve (6)
Oil inlet is connected with working connection (5), and the oil return opening of the three-position four-way electromagnetic directional valve (6) passes through oil return pipe (9) and fuel tank (3)
It is connected, two actuator ports of the three-position four-way electromagnetic directional valve (6) are connected separately with out top oil circuit (10) and the oil circuit that returns back to top
(11), the top hydraulic fluid port that goes out of the other end with two-way cylinder (2) on top oil circuit (10) out is connected, the oil circuit that returns back to top (11)
The other end is connected with the hydraulic fluid port that returns back to top of two-way cylinder (2)；It is described to go out to push up on oil circuit (10) by three-position four-way electromagnetic directional valve (6)
The first hydraulic control one-way valve (12), two-position two-way electromagnetic directional valve (13), second are disposed with to the direction of two-way cylinder (2)
The control oil circuit of hydraulic control one-way valve (14), second hydraulic control one-way valve (14) is connected with the hydraulic fluid port that returns back to top of two-way cylinder (2),
The oil inlet of second hydraulic control one-way valve (14) is connected by oil pipe with fuel tank (3)；It is located at three on the oil circuit that returns back to top (11)
The second overflow valve (8) are provided between position four-way electromagnetic reversing valve (6) and two-way cylinder (2).
2. tension of steel strand detector hydraulic device according to claim 1, it is characterised in that: the oil inlet pipe (4)
On be provided with oil cleaner screen (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687014.9U CN208381005U (en) | 2018-05-09 | 2018-05-09 | A kind of tension of steel strand detector hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687014.9U CN208381005U (en) | 2018-05-09 | 2018-05-09 | A kind of tension of steel strand detector hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381005U true CN208381005U (en) | 2019-01-15 |
Family
ID=64973943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820687014.9U Expired - Fee Related CN208381005U (en) | 2018-05-09 | 2018-05-09 | A kind of tension of steel strand detector hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381005U (en) |
-
2018
- 2018-05-09 CN CN201820687014.9U patent/CN208381005U/en not_active Expired - Fee Related
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Legal Events
| 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: 20190115 Termination date: 20190509 |