CN206930530U - A kind of hydraulic pressure tester for pipe fitting height pressure control system - Google Patents
A kind of hydraulic pressure tester for pipe fitting height pressure control system Download PDFInfo
- Publication number
- CN206930530U CN206930530U CN201720881570.5U CN201720881570U CN206930530U CN 206930530 U CN206930530 U CN 206930530U CN 201720881570 U CN201720881570 U CN 201720881570U CN 206930530 U CN206930530 U CN 206930530U
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- pressure
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- water
- pump water
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of hydraulic pressure tester for pipe fitting height pressure control system, belongs to hydrostatic testing machine technical field.Solve pressure transient existing for existing hydrostatic testing machine, easily cause the technical problem of sealing ring damage.The technical solution of the utility model is：A kind of hydraulic pressure tester for pipe fitting height pressure control system, wherein：Including hydrostatic testing machine, low-pressure hydraulic system, high-pressure hydraulic, low-pressure pump water system, high-pressure hydraulic pump water system, hydraulic pressure pressure sensor, water tank, fuel tank and PLC；The PLC is electrically connected with low-pressure hydraulic system, high-pressure hydraulic, low-pressure pump water system, high-pressure hydraulic pump water system and hydraulic pressure pressure sensor respectively.The utility model has the advantages that good sealing effect, reasonable in design, service life is long.
Description
Technical field
The utility model belongs to hydrostatic testing machine technical field, voltage-controlled more particularly to a kind of hydraulic pressure tester for pipe fitting height
System processed.
Background technology
In lost foam casting pipe fitting production process, it is necessary to pipe fitting carry out the water pressure test, with ensure pipe fitting compression resistance with
And ne-leakage defect.Water pressure test process in pipe fitting production, it is desirable to which rhythm is fast, pressure testing is reliable, production consumption is few.
Existing hydrostatic testing machine uses a set of hydraulic system, and in order to ensure sealing effectiveness, oil cylinder will be made big, so
Very big flow system flow is needed, rhythm of action is slow, and because oil cylinder working-pressure is too big, easily causes pipe fitting sealing ring and is squeezed damage
It is bad.
The content of the invention
The shortcomings that the purpose of this utility model is to overcome prior art, there is provided a kind of hydraulic pressure tester for pipe fitting height is voltage-controlled
System processed, solve pressure transient existing for existing hydrostatic testing machine, easily cause the technical problem of sealing ring damage.
The utility model is achieved through the following technical solutions：
A kind of hydraulic pressure tester for pipe fitting height pressure control system, wherein：Including hydrostatic testing machine, low-pressure hydraulic system, height
Press hydraulic system, low-pressure pump water system, high-pressure hydraulic pump water system, hydraulic pressure pressure sensor, water tank, fuel tank and PLC controls
Device processed；
One end of the low-pressure hydraulic system is connected with the oil inlet of water pressure test Oil cylinder, the low-pressure hydraulic system
The other end is connected with fuel tank；One end of the high-pressure hydraulic is connected with the oil inlet of water pressure test Oil cylinder, the high pressure
The other end of hydraulic system is connected with fuel tank；The oil return opening of the water pressure test Oil cylinder connects with fuel tank；
The water inlet of the low-pressure pump water system connects with water tank, and the delivery port of the low-pressure pump water system leads to
The water inlet for crossing water supply line and hydrostatic testing machine connects；The water inlet of the high-pressure hydraulic pump water system connects with water tank, institute
The delivery port for stating high-pressure hydraulic pump water system is connected by the water inlet of water supply line and hydrostatic testing machine；The hydraulic pressure pressure passes
Sensor is located at the side wall of water supply line；
The PLC respectively with low-pressure hydraulic system, high-pressure hydraulic, low-pressure pump water system, water under high pressure
Water supplying pump system and the electrical connection of hydraulic pressure pressure sensor.
Two sets of hydraulic systems of high-low pressure are employed in the utility model；Big flow low-pressure hydraulic system is used during action, is flowed
Amount big-movement is fast, and pipe fitting sealing ring stress is small, is hardly damaged；During sealing because hydraulic system pressure is high, it is necessary to oil cylinder with regard to small,
Flow system flow is small, and rhythm of action is fast, is pressurized using small flow high pressure hydraulic system, ensures that sealing is not revealed.
Compared with prior art, the utility model has good sealing effect, reasonable in design, service life length etc. excellent
Point.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of hydraulic pressure tester for pipe fitting height pressure control system, wherein：Including hydrostatic testing machine 1, low pressure
Hydraulic system 2, high-pressure hydraulic 3, low-pressure pump water system 4, high-pressure hydraulic pump water system 5, hydraulic pressure pressure sensor 6,
Water tank 7, fuel tank 8 and PLC；
One end of the low-pressure hydraulic system 2 is connected with the oil inlet of the oil cylinder of hydrostatic testing machine 1, the low-pressure hydraulic system
2 other end is connected with fuel tank；One end of the high-pressure hydraulic 3 is connected with the oil inlet of the oil cylinder of hydrostatic testing machine 1, described
The other end of high-pressure hydraulic 3 is connected with fuel tank；The oil return opening of the oil cylinder of hydrostatic testing machine 1 connects with fuel tank；
The water inlet of the low-pressure pump water system 4 connects with water tank, the delivery port of the low-pressure pump water system 4
It is connected by water supply line 9 with the water inlet of hydrostatic testing machine 1；The water inlet of the high-pressure hydraulic pump water system 5 connects with water tank
Logical, the delivery port of the high-pressure hydraulic pump water system 5 is connected by water supply line 9 with the water inlet of hydrostatic testing machine 1；The water
Pressure pressure sensor 6 is located at the side wall of water supply line 9；
The PLC respectively with low-pressure hydraulic system 2, high-pressure hydraulic 3, low-pressure pump water system 4, high pressure
Water pump water supply system 5 and hydraulic pressure pressure sensor 6 are electrically connected.
The course of work and principle of the present utility model：
In use, using low-pressure hydraulic system 2 first, drive cylinder promotes the pipe fitting for clamping and needing pressure testing, then starts
Low-pressure pump water system 4, when water is full of tube intracavity, stops low-pressure pump water system 4 and the row of closing to pipe fitting water-filling
Air valve；Start the water-filling of high-pressure hydraulic pump water system 5, as hydraulic pressure raises in pipe fitting, pressure is fed back by hydraulic pressure pressure sensor 6
To PLC control system, the proportional pressure control valve of high-pressure hydraulic 3 is controlled, hydraulic pressure is synchronously raised, guarantee effect is in pipe fitting
Pressure on sealing ring does not reduce；When reaching hydraulic test pressure, high-pressure hydraulic pump water system 5 stops water-filling, high-pressure and hydraulic
The proportional pressure control valve of system 3 is kept, and pipe fitting internal pressure is tried hard to keep and is pressed 10 seconds.During whole pressure testing, high and low pressure system can ensure
The pressure that pipe fitting sealing ring is born is constant, both can guarantee that sealing, also will not be because of the too big damage sealing ring of pressure.
The essence that the utility model can be embodied without departing from invention in a variety of forms, it should therefore be appreciated that above-mentioned
Embodiment is not limited to foregoing details, and should widely be explained in claim limited range, therefore falls into right and want
Ask or the change in its equivalent scope and remodeling all should be claim and covered.
Claims (1)
- A kind of 1. hydraulic pressure tester for pipe fitting height pressure control system, it is characterised in that：Including hydrostatic testing machine (1), low-pressure hydraulic System (2), high-pressure hydraulic (3), low-pressure pump water system (4), high-pressure hydraulic pump water system (5), hydraulic pressure pressure sensing Device (6), water tank (7), fuel tank (8) and PLC；One end of the low-pressure hydraulic system (2) is connected with the oil inlet of hydrostatic testing machine (1) oil cylinder, the low-pressure hydraulic system (2) the other end is connected with fuel tank；One end of the high-pressure hydraulic (3) connects with the oil inlet of hydrostatic testing machine (1) oil cylinder Connect, the other end of the high-pressure hydraulic (3) is connected with fuel tank；The oil return opening and fuel tank of hydrostatic testing machine (1) oil cylinder Connection；The water inlet of the low-pressure pump water system (4) connects with water tank, the delivery port of the low-pressure pump water system (4) It is connected by water supply line (9) with the water inlet of hydrostatic testing machine (1)；The water inlet of the high-pressure hydraulic pump water system (5) with Water tank connects, and the delivery port of the high-pressure hydraulic pump water system (5) passes through the water inlet of water supply line (9) and hydrostatic testing machine (1) Mouth connection；The hydraulic pressure pressure sensor (6) is located at the side wall of water supply line (9)；The PLC respectively with low-pressure hydraulic system (2), high-pressure hydraulic (3), low-pressure pump water system (4), high Water pump water system (5) and hydraulic pressure pressure sensor (6) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881570.5U CN206930530U (en) | 2017-07-20 | 2017-07-20 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881570.5U CN206930530U (en) | 2017-07-20 | 2017-07-20 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206930530U true CN206930530U (en) | 2018-01-26 |
Family
ID=61355954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720881570.5U Expired - Fee Related CN206930530U (en) | 2017-07-20 | 2017-07-20 | A kind of hydraulic pressure tester for pipe fitting height pressure control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206930530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640130A (en) * | 2021-07-26 | 2021-11-12 | 上海拓天动力技术有限公司 | Hydraulic pressure disc tube test equipment |
| CN114252252A (en) * | 2021-12-27 | 2022-03-29 | 常州电站辅机股份有限公司 | Actuating mechanism water pressure test system and water pressure test device thereof |
-
2017
- 2017-07-20 CN CN201720881570.5U patent/CN206930530U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640130A (en) * | 2021-07-26 | 2021-11-12 | 上海拓天动力技术有限公司 | Hydraulic pressure disc tube test equipment |
| CN114252252A (en) * | 2021-12-27 | 2022-03-29 | 常州电站辅机股份有限公司 | Actuating mechanism water pressure test system and water pressure test device thereof |
| CN114252252B (en) * | 2021-12-27 | 2023-09-05 | 常州电站辅机股份有限公司 | Actuating mechanism water pressure test system and water pressure test device thereof |
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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: 20180126 Termination date: 20190720 |