CN202793930U - Ultrahigh pressure testing device - Google Patents
Ultrahigh pressure testing device Download PDFInfo
- Publication number
- CN202793930U CN202793930U CN 201220429251 CN201220429251U CN202793930U CN 202793930 U CN202793930 U CN 202793930U CN 201220429251 CN201220429251 CN 201220429251 CN 201220429251 U CN201220429251 U CN 201220429251U CN 202793930 U CN202793930 U CN 202793930U
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- valve
- pressure
- stop valve
- pump
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Abstract
The utility model provides an ultrahigh pressure testing device which comprises a high pressure pump, a low pressure pump, a first one-way valve, a second one-way valve, an oil injection stop valve, an oil drainage stop valve and a servo pressure regulating valve, wherein one end of the high pressure pump and that of the low pressure pump are connected with an oil tank through filters; the other end of the high pressure pump is connected with the inlet end of the first one-way valve; the outlet end of the first one-way valve is connected with one end of the oil injection stop valve, the outlet end of the second one-way valve and one end of the servo pressure regulating valve respectively; the inlet end of the second one-way valve is connected with the low pressure pump; a pressure gauge is connected to the other end of the oil injection stop valve; a pressure transmitter is connected to the other end of the pressure gauge; and the other end of the pressure transmitter is connected with the oil drainage stop valve. The ultrahigh pressure testing device has the advantages that the servo pressure regulating valve can be used for regulating the pressure of the system; a high pressure safety valve and a lower pressure safety valve are arranged, so that the pressure of the system can be kept within 5 to 70 Mpa; pressure resistant or leak detection delivery inspection of various equipment or high-pressure tools can be carried out; and requirements of functional tests of the products can be met.
Description
Technical field
The utility model relates to a kind of proving installation, especially relates to a kind of a kind of UHV (ultra-high voltage) proving installation that is mainly used in the withstand voltage or factory inspection of leaking hunting of the products such as various device or high pressure tools.
Background technology
Some equipment or high pressure tools needed to carry out pressure test before dispatching from the factory, pressure test device in the prior art is difficult to reach the high pressure of 70Mpa, had often just scrapped before reaching 70Mpa, caused a lot of high-tension apparatuses and instrument normally not to detect.
Summary of the invention
Problem to be solved in the utility model provides a kind of operation simple in structure, easy, high efficiency, the factory inspection that not only can be used for the withstand voltage of various device or high pressure tools or leak hunting, can satisfy simultaneously a kind of UHV (ultra-high voltage) proving installation of the function test of the said goods, especially be fit to well control equipment manufacturer and do and produce detection usefulness, also be fit to scientific research simultaneously, testing agency is used as checkout equipment.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of UHV (ultra-high voltage) proving installation comprises high-pressure pump, low-lift pump, the first retaining valve, the second retaining valve, oiling stop valve, the stop valve of draining the oil, servo pressure regulating valve; The flow of described high-pressure pump is 3L/min, and the flow of described low-lift pump is 9L/min; One end of described high-pressure pump and low-lift pump all links to each other with fuel tank by filtrator, the other end of described high-pressure pump links to each other with the inlet end of the first retaining valve, the endpiece of described the first retaining valve links to each other with an end of oiling stop valve, the endpiece of the second retaining valve, an end of servo pressure regulating valve respectively, the inlet end of described the second retaining valve links to each other with low-lift pump, and the other end of described servo pressure regulating valve is connected with filtrator and fuel tank in turn; The other end of described oiling stop valve is connected with tensimeter, the described manometric other end is connected with pressure unit, the other end of described pressure unit links to each other with an end of the stop valve of draining the oil, and the other end of the described stop valve of draining the oil is connected with filtrator and fuel tank in turn; Described oiling stop valve and the stop valve of draining the oil all are connected with control device.
Further, described high-pressure pump and low-lift pump are ram pump.
Further, the inlet end of described the second retaining valve is in series with low-pressure safety valve, and the two is connected in parallel on the two ends of described servo pressure regulating valve; The two ends of described servo pressure regulating valve also are parallel with high-pressure safety valve.
Further, described control device is three position four-way directional control valve, the other end of described three position four-way directional control valve is connected with reduction valve, and the other end of described reduction valve links to each other with unloader with low-lift pump respectively, and the other end of described unloader is connected with filtrator and fuel tank in turn.
Further, the two ends of the described stop valve of draining the oil are parallel with hand stop valve.
Further, described UHV (ultra-high voltage) proving installation links to each other with the PLC control device.
Rated pressure range of control of the present utility model is 5～70Mpa, and test(ing) medium is hydraulic oil, and the power of motor of described high-pressure pump is 5.5KW/h, and the power of motor of low-lift pump is 4KW/h, and volume of fuel tank is 100L; When described flow control mode is 0～30Mpa, high-pressure pump and low-lift pump be fuel feeding simultaneously, the flow that guarantees whole system is 〉=12L/min, high pressure fuel supply pump during 30～70Mpa, flow 〉=3L/min, for guaranteeing adaptability and the measuring accuracy of pressure testing system, by the PLC programming Control, touch-screen is set and the laptop computer programmed control, realization low pressure is rushed the requirement of oil and two kinds of operating modes of high-potting fast, and be provided with termination of pumping inertia and prevent measure, having improved Systems balanth and reliability, pressing speed and control accuracy have further raising;
The pressure of system adopts the servo pressure regulating valve to utilize the PLC programming Control, touch-screen is set and the laptop computer programmed control, the utility model also is provided with high-pressure safety valve and low-pressure safety valve, and passes through the control of PLC control device, and the system that guaranteed can only work in the rated operating pressure scope;
Inlet port of the present utility model and oil return opening all are equipped with filtrator, have guaranteed the cleanliness factor of system media, have greatly prolonged the serviceable life of pump group and pipe line parts;
The utility model is provided with hand stop valve, under the emergency circumstance or plugged filter can't pressure release the time, can carry out pressure release by hand stop valve;
The utility model adopts notebook and PLC and manually control, can set up test parameters on their own, automatically generates pressure-time curve, and carries out the data storage, prints at any time test report;
Operating ambient temperature of the present utility model is-20～60 ℃, and the temperature of hydraulic fluid is 25～65 ℃, and the filtering accuracy of filtrator when testing, injects new hydraulic oil for being not less than 25 microns at every turn, must inject by filtrator.
Advantage and the good effect that the utlity model has are: owing to adopt technique scheme, utilize the servo pressure regulating valve, control by the PLC control device, carry out the pressure of regulating system, and be provided with high-pressure safety valve and low-pressure safety valve, make system can maintain 5～70Mpa, the factory inspection that can be used for the withstand voltage of various device or high pressure tools or leak hunting, can satisfy simultaneously the function test of the said goods, be fit to well control equipment manufacturer and do and produce detection usefulness, also be fit to scientific research simultaneously, testing agency is used as checkout equipment; Have the advantages such as simple in structure, easy operation, pressure setting range are large, applied widely, long service life.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure:
1, fuel tank 2, filtrator 3, high-pressure pump
4, low-lift pump 5, the first retaining valve 6, the second retaining valve
7, low-pressure safety valve 8, high-pressure safety valve 9, servo pressure regulating valve
10, oiling stop valve 11, tensimeter 12, pressure unit
13, drain the oil stop valve 14, hand stop valve 15, device to be tested
16, three position four-way directional control valve 17, reduction valve 18, unloader
19, PLC control device
Embodiment
As shown in Figure 1, a kind of UHV (ultra-high voltage) proving installation of the utility model comprises high-pressure pump 3, low-lift pump 4, the first retaining valve 5, the second retaining valve 6, oiling stop valve 10, the stop valve 13 of draining the oil, servo pressure regulating valve 9; The flow of described high-pressure pump 3 is 3L/min, and the flow of described low-lift pump 4 is 9L/min; One end of described high-pressure pump 3 and low-lift pump 4 all links to each other with fuel tank 1 by filtrator 2, the other end of described high-pressure pump 3 links to each other with the inlet end of the first retaining valve 5, the endpiece of described the first retaining valve 5 links to each other with an end of oiling stop valve 10, the endpiece of the second retaining valve 6, an end of servo pressure regulating valve 9 respectively, the inlet end of described the second retaining valve 6 links to each other with low-lift pump 4, and the other end of described servo pressure regulating valve 9 is connected with filtrator 2 and fuel tank 1 in turn; The other end of described oiling stop valve 10 is connected with tensimeter 11, the other end of described tensimeter 11 is connected with pressure unit 12, the other end of described pressure unit 12 links to each other with an end of the stop valve 13 of draining the oil, and the described other end of draining the oil stop valve 13 is connected with filtrator 2 and fuel tank 1 in turn; Described oiling stop valve 10 and the stop valve 13 of draining the oil all are connected with control device.
Preferably, described high-pressure pump 3 and low-lift pump 4 are ram pump.
Preferably, the inlet end of described the second retaining valve 6 is in series with low-pressure safety valve 7, and the two is connected in parallel on the two ends of described servo pressure regulating valve 9; The two ends of described servo pressure regulating valve 9 also are parallel with high-pressure safety valve 8.
Preferably, described control device is three position four-way directional control valve 16, the other end of described three position four-way directional control valve 16 is connected with reduction valve 17, and the other end of described reduction valve 17 links to each other with unloader 18 with low-lift pump 4 respectively, and the other end of described unloader 18 is connected with filtrator 2 and fuel tank 1 in turn.
Preferably, described two ends of draining the oil stop valve 13 are parallel with hand stop valve 14.
Preferably, described UHV (ultra-high voltage) proving installation links to each other with PLC control device 19.
The course of work of this example: preliminary work is that hydraulic oil is injected in the fuel tank 1 by filtrator 2 before the debugging, liquid level must not be lower than the oil ga(u)ge middle part, connect executive component, after the inspection, connect power lead, finish preliminary work, device 15 to be tested is connected on the pressure unit 12, control working pressure well by PLC control device 19, starter motor, when flow control mode of the present utility model is 0～30Mpa, high-pressure pump 3 and low-lift pump 4 be fuel feeding simultaneously, the flow that guarantees whole system is 〉=12L/min, high-pressure pump 3 fuel feeding during 30～70Mpa, flow 〉=3L/min, for guaranteeing adaptability and the measuring accuracy of pressure testing system, by the PLC programming Control, touch-screen is set and the laptop computer programmed control, realization low pressure is rushed the requirement of oil and two kinds of operating modes of high-potting fast, and be provided with termination of pumping inertia and prevent measure, Systems balanth and reliability have been improved, pressing speed and control accuracy have further raising, by servo pressure regulating valve 9 regulating system pressure, and guarantee that by high-pressure safety valve 8 and low-pressure safety valve 7 system pressures are in the rated operating pressure scope of 5～70M pa, show the maximum pressure that device 15 to be tested can bear by tensimeter 11, after being completed, carry out pressure release by the three position four-way directional control valve 16 control stop valve 13 of draining the oil, under the emergency circumstance or filtrator 2 stop up can't pressure release the time, can carry out pressure release by hand stop valve 14, guarantee security of system.
Operating ambient temperature of the present utility model is-20～60 ℃, and the temperature of hydraulic fluid is 25～65 ℃, and the filtering accuracy of filtrator 2 when testing, injects new hydraulic oil for being not less than 25 microns at every turn, must inject by filtrator 2.
Described hydraulic fluid can also use the 8# diesel engine oil in the winter time except using hydraulic oil, use the 11# diesel engine oil summer, or the 40# diesel engine oil.
More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (6)
1. a UHV (ultra-high voltage) proving installation is characterized in that: comprise high-pressure pump, low-lift pump, the first retaining valve, the second retaining valve, oiling stop valve, the stop valve of draining the oil, servo pressure regulating valve; The flow of described high-pressure pump is 3L/min, and the flow of described low-lift pump is 9L/min; One end of described high-pressure pump and low-lift pump all links to each other with fuel tank by filtrator, the other end of described high-pressure pump links to each other with the inlet end of the first retaining valve, the endpiece of described the first retaining valve links to each other with an end of oiling stop valve, the endpiece of the second retaining valve, an end of servo pressure regulating valve respectively, the inlet end of described the second retaining valve links to each other with low-lift pump, and the other end of described servo pressure regulating valve is connected with filtrator and fuel tank in turn; The other end of described oiling stop valve is connected with tensimeter, the described manometric other end is connected with pressure unit, the other end of described pressure unit links to each other with an end of the stop valve of draining the oil, and the other end of the described stop valve of draining the oil is connected with filtrator and fuel tank in turn; Described oiling stop valve and the stop valve of draining the oil all are connected with control device.
2. a kind of UHV (ultra-high voltage) proving installation according to claim 1, it is characterized in that: described high-pressure pump and low-lift pump are ram pump.
3. a kind of UHV (ultra-high voltage) proving installation according to claim 1, it is characterized in that: the inlet end of described the second retaining valve is in series with low-pressure safety valve, and the two is connected in parallel on the two ends of described servo pressure regulating valve; The two ends of described servo pressure regulating valve also are parallel with high-pressure safety valve.
4. a kind of UHV (ultra-high voltage) proving installation according to claim 1, it is characterized in that: described control device is three position four-way directional control valve, the other end of described three position four-way directional control valve is connected with reduction valve, the other end of described reduction valve links to each other with unloader with low-lift pump respectively, and the other end of described unloader is connected with filtrator and fuel tank in turn.
5. a kind of UHV (ultra-high voltage) proving installation according to claim 1, it is characterized in that: the two ends of the described stop valve of draining the oil are parallel with hand stop valve.
6. a kind of UHV (ultra-high voltage) proving installation according to claim 1, it is characterized in that: described UHV (ultra-high voltage) proving installation links to each other with the PLC control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429251 CN202793930U (en) | 2012-08-28 | 2012-08-28 | Ultrahigh pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429251 CN202793930U (en) | 2012-08-28 | 2012-08-28 | Ultrahigh pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793930U true CN202793930U (en) | 2013-03-13 |
Family
ID=47821174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220429251 Expired - Fee Related CN202793930U (en) | 2012-08-28 | 2012-08-28 | Ultrahigh pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645019A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | High-pressure barrel testing system with gas-liquid boosting pump |
| RU2755839C1 (en) * | 2020-09-07 | 2021-09-22 | Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ | Device for automatic control of liquid pressure in chamber |
-
2012
- 2012-08-28 CN CN 201220429251 patent/CN202793930U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645019A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | High-pressure barrel testing system with gas-liquid boosting pump |
| CN103645019B (en) * | 2013-11-25 | 2016-05-04 | 大连元利流体技术有限公司 | A kind of high pressure gun barrel test macro with gas-liquid booster pump |
| RU2755839C1 (en) * | 2020-09-07 | 2021-09-22 | Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ | Device for automatic control of liquid pressure in chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140828 |
|
| EXPY | Termination of patent right or utility model |