CN201331469Y - High-pressure high-volume fatigue test system of pressure equipment - Google Patents
High-pressure high-volume fatigue test system of pressure equipment Download PDFInfo
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- CN201331469Y CN201331469Y CNU2008202089217U CN200820208921U CN201331469Y CN 201331469 Y CN201331469 Y CN 201331469Y CN U2008202089217 U CNU2008202089217 U CN U2008202089217U CN 200820208921 U CN200820208921 U CN 200820208921U CN 201331469 Y CN201331469 Y CN 201331469Y
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Abstract
The utility model relates to the technical field of the test of pressure equipment, aiming to provide a high-pressure high-volume fatigue test system of pressure equipment, which comprises a low-pressure feed device, a pressure lifting device, an air driving device and a measurement control system, wherein the low-pressure feed device comprises a water tank, a filter, a low-pressure pump driven by a motor and a high precision filter, which are communicated by low-pressure pipelines. The high-pressure high-volume fatigue test system has the advantages that the system is especially suitable for the fatigue test of large-volume high-pressure devices, has high output pressure and high volume, can test the fatigue life in shorter time, has wide output pressure range and stable pressure, is widely applied in the fatigue test of low-pressure, medium-pressure and high-pressure containers, can freely adjust the rate of pressurization according to the volume of a tested container and the test requirements, and has relatively smaller noise, lower cost and convenient operation.
Description
Technical field
The utility model relates to bearing device experimental technique field, is meant a kind of high-pressure high flow fatigue test system for bearing equipment especially.
Background technology
Along with the progress and the development of high pressure technique, high pressure vessel has obtained increasingly extensive application in fields such as oil, chemical industry and new forms of energy.For the high pressure vessel that bears alternate load, in long-term use the fatigure failure phenomenon can appear.Because the high pressure vessel working pressure is very high, the equipment storing energy is bigger, in case fatigure failure takes place, will cause great threat to personal safety.Therefore,, for guaranteeing its performance, need carry out torture test, thereby can measure the fatigue lifetime of high pressure vessel in the short period of time, the foundation of necessity is provided for the design of container it for the high pressure vessel that bears alternate load.
At present, domestic existing bearing device fatigue experimental device is difficult in output pressure and flow two aspects all reach than higher level.The common higher test unit of pressure, delivery rate is often very little, and for the high pressure vessel of big volume, the torture test process often needs long time.Chinese patent ZL200620102510.0 provides a kind of multifunctional high voltage apparatus safe property checking device, it adopts the Pneumatic liquid supercharging technology, can carry out withstand voltage test, torture test, explosion bulge test detection mode, but its delivery rate is very little, is difficult to satisfy the torture test requirement of big capacity high pressure container.Chinese patent CN200410155199.1 provides a kind of hydraulic fatigue test system for pressure container, it is a fatigue experimental device that is applicable to elevated pressures of being made up of oil circuit pressurization, pressurize, pressure relief device and Measurement and Control System, for the high pressure vessel of high pressure more, will be no longer suitable.Chinese patent ZL02203366.1 provides a kind of pressure resistant vessel fatigue experimental device, and it adopts pressurized air to make pressure medium, is primarily aimed at the fatigue detecting of solar water heater liner, and output pressure is very low.
Therefore, how to design a cover and can satisfy high pressure vessel torture test requirement, can measure the big capacity high pressure container device of fatigue lifetime again in the short period of time, significant for guaranteeing the high pressure vessel safe operation and grasping the high pressure vessel fatigue behaviour.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, a kind of high-pressure high flow fatigue test system for bearing equipment is provided, particularly at the high-tension apparatus of big volume, make its fatigue lifetime that can measure bearing device within a short period of time, for the design of bearing device provides reliable scientific basis.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions.
A kind of high-pressure high flow fatigue test system for bearing equipment, comprise low pressure liquid feed device, pressure lifting device, gas actuating device and Measurement and Control System, wherein, the low pressure liquid feed device comprises water tank 1, filtrator 2, motor-driven low-lift pump 3, the high-precision filter 4 that is communicated with by low pressure line; The pressure lifting device comprises by the motor-driven high-pressure high-flow supercharge pump 7 of pressure duct and release pipeline connection, safety valve 28, surplus valve 27, refrigeratory 26, Pneumatic valve 14, high pressure individual event valve 15, pneumatic pressure-release valve 24, counterbalance valve 23, manual pressure-release valve 22; Gas actuating device comprises compressed air source unit 10, air strainer 11, reduction valve 12, electromagnetic valve I 13, the electromagnetic valve II 25 that is communicated with by gas piping; Measurement and Control System comprises computing machine 17, controller 16, low pressure sensor 5, high pressure sensor 18, flowmeter 21, frequency converter 8, low pressure gauge 6, high-pressure Table I 9, high-pressure Table II 20.
As a kind of improvement, motor-driven high-pressure high-flow supercharge pump 7 is tri-plunger high pressure pumps;
As further improvement, Pneumatic valve 14 is two position three-way valves;
As further improvement, electromagnetic valve I 13 is two-position five-way valves;
As further improvement, electromagnetic valve II 25 is two position three-way valves.
The utility model has the advantages that: 1. be specially adapted to the torture test of big capacity high pressure equipment, the output pressure height, flow is big, can finish in the short period of time and measure fatigue lifetime.2. the output pressure scope is wide, and pressure stability is widely used in the torture test of low pressure, middle pressure, high pressure vessel; 3. rate of pressurization can be according to volume that is tried container and testing requirements free adjustment; 3. noise is less relatively; 4. cost is lower, and is easy and simple to handle etc.
Description of drawings
Fig. 1 is a kind of high-pressure high flow fatigue test system for bearing equipment synoptic diagram of the utility model embodiment.
Among the figure: water tank 1, filtrator 2, motor-driven low-lift pump 3, high-precision filter 4, low pressure sensor 5, low pressure gauge 6, motor-driven high-pressure high-flow supercharge pump 7, frequency converter 8, blowout-back pressure gauge I9, compressed air source unit 10, air strainer 11, reduction valve 12, electromagnetic valve I 13, Pneumatic valve 14, high pressure individual event valve 15, controller 16, computing machine 17, high pressure sensor 18, test chamber 19, high-pressure Table II 20, flowmeter 21, manual pressure-release valve 22, counterbalance valve 23, pneumatic pressure-release valve 24, electromagnetic valve II 25, refrigeratory 26, surplus valve 27, safety valve 28, low pressure feed liquor pipeline P1, pressure duct P2, overflow passage I P3, overflow passage IIP4, return line P5, release pipeline I P6, release pipeline IIP7
Embodiment
With reference to above-mentioned accompanying drawing, embodiment of the present utility model is elaborated.
As shown in Figure 1, a kind of high-pressure high flow fatigue test system for bearing equipment, comprise low pressure liquid feed device, pressure lifting device, gas actuating device and Measurement and Control System, the low pressure liquid feed device is made up of water tank 1, filtrator 2, motor-driven low-lift pump 3, high-precision filter 4 that low pressure feed liquor pipeline P1 is communicated with; The pressure lifting device is by motor-driven high-pressure high-flow supercharge pump 7, safety valve 28, surplus valve 27, refrigeratory 26, Pneumatic valve 14, high pressure individual event valve 15, pneumatic pressure-release valve 24, counterbalance valve 23, manually pressure-release valve 22 is formed, motor-driven high-pressure high-flow supercharge pump 7, Pneumatic valve 14, high pressure individual event valve 15 is positioned on the pressure duct P2, the A mouth of Pneumatic valve 14 links to each other with pressure duct P2 with the P mouth, the O mouth links to each other with return line P5, safety valve 28 is positioned on the overflow passage I P3, surplus valve 27, refrigeratory 26 is positioned at overflow passage IIP4, pneumatic pressure-release valve 24, counterbalance valve 23 is positioned on the release pipeline I P6, and manually pressure-release valve 22 is positioned on the release pipeline II P7; Gas actuating device is made up of compressed air source unit 10, air strainer 11, reduction valve 12, electromagnetic valve I 13, electromagnetic valve II 25 that gas piping is communicated with; Measurement and Control System comprises computing machine 17, controller 16, low pressure sensor 5, high pressure sensor 18, flowmeter 21, frequency converter 8.In addition, low pressure feed liquor pipeline P1 is provided with low pressure gauge 6, and motor-driven high-pressure high-flow supercharge pump 7 outlets are provided with high-pressure Table I 9, and 15 outlets of high pressure individual event valve are provided with high-pressure Table II 20, the auxiliary pressure that shows.
The set pressure upper limit in computing machine 17 at first as required, low pressure limit, dwell time, after necessary data such as pulse number and delivery rate and the relevant information, requirement according to computing machine 17, controller 16 sends the low-lift pump 3 that the instruction starter motor drives, after treating pressure stability, the high-pressure high-flow supercharge pump 7 that starter motor drives, simultaneously 1 mouthful of control electromagnetic valve I 13 is communicated with 4 mouthfuls, driving gas enters an air intake opening of Pneumatic valve 14, its A mouth is communicated with the P mouth, pressure medium is by motor-driven high-pressure high-flow supercharge pump 7 superchargings, enter test chamber 19 by pressure duct P2, upper pressure limit by surplus valve 27 control system, the pressure signal of test chamber 19 is sent to by high pressure sensor 18 and carries out data comparison and logic determines in the controller 16, when force value reaches the upper limit pressure of setting, computing machine 17 sends action command by controller 16 to electromagnetic valve I 13, make its 1 mouthful to be communicated with 2 mouthfuls, driving gas enters another air intake opening of Pneumatic valve 14, thereby the A mouth of Pneumatic valve 14 is communicated with the O mouth, test chamber 19 enters packing state, and the pressure medium from motor-driven high-pressure high-flow supercharge pump 7 in the pressure maintaining period returns water tank 1 by Pneumatic valve 13 through return line P5.When the dwell time reaches setting value, computing machine 17 sends action command by controller 16 to electromagnetic valve II 25, its P mouth is communicated with the A mouth, driving gas is entered the air intake opening of pneumatic pressure-release valve 24 by gas piping, pneumatic pressure-release valve 24 is opened, pressure medium returns water tank 1 by release pipeline I P6, pressure medium is by the low pressure limit of counterbalance valve 23 control system, when the pressure in the test chamber 19 is reduced to the threshold pression of setting, computing machine 17 sends action command by controller 16 to electromagnetic valve II 25, its A mouth is communicated with the O mouth, and pneumatic pressure-release valve 24 cuts out, and test chamber 19 enters the lower limit packing state.When the dwell time reached setting value, computing machine 17 sent instruction by said process once more, and acknowledge(ment) signal boosts-pressurize-step-down-process of pressurize repeatedly, thereby realized purpose that test chamber 19 is carried out torture test.
For guaranteeing motor-driven high-pressure high-flow supercharge pump 7 safe and stable operations, motor-driven low-lift pump 3 top hole pressures should be stabilized in certain pressure limit, so low pressure sensor 5 is set in motor-driven low-lift pump 3 outlets, when motor-driven low-lift pump 3 top hole pressures are lower than safety value, controller 16 will be to motor-driven high-pressure high-flow supercharge pump 7 instructions, the high-pressure high-flow supercharge pump 7 of disable motor driving automatically.When water tank 1 liquid level is lower than safety value, controller 16 also will send instruction, automatically the high-pressure high-flow supercharge pump 7 of disable motor driving.Because the torture test time is longer, the pressure medium temperature will constantly raise, and on overflow passage II P4 refrigeratory 26 will be set for this reason, make the pressure medium temperature maintenance at reduced levels.
The utility model adopts motor-driven high-pressure high-flow supercharge pump 7, be specially adapted to the torture test of big volume bearing device, also can be according to the size of being tried volume and testing requirements, adjust motor-driven high-pressure high-flow supercharge pump 7 rotating speed of motor by frequency converter 8, thereby adjust the delivery rate of motor-driven high-pressure high-flow supercharge pump 7, the rate of pressure rise of control system.Adopt surplus valve 27 and counterbalance valve 23, accurately control system upper pressure limit and lower limit make the utility model be widely used in the torture test of high pressure vessel in bigger pressure limit.
At last, it is also to be noted that what more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above examples of implementation, and many distortion can also be arranged, and all distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.
Claims (5)
1, a kind of bearing device big-flow high-pressure fatigue test system, it is characterized in that, comprise low pressure liquid feed device, pressure lifting device, gas actuating device and Measurement and Control System, wherein, the low pressure liquid feed device comprises water tank (1), filtrator (2), motor-driven low-lift pump (3), the high-precision filter (4) that is communicated with by low pressure line; The pressure lifting device comprises by the motor-driven high-pressure high-flow supercharge pump (7) of pressure duct (P2) and release pipeline connection, safety valve (28), surplus valve (27), refrigeratory (26), Pneumatic valve (14), high pressure individual event valve (15), pneumatic pressure-release valve (24), counterbalance valve (23), manual pressure-release valve (22); Gas actuating device comprises compressed air source unit (10), air strainer (11), reduction valve (12), electromagnetic valve I (13), the electromagnetic valve II (25) that is communicated with by gas piping; Measurement and Control System comprises computing machine (17), controller (16), low pressure sensor (5), high pressure sensor (18), flowmeter (21), frequency converter (8), low pressure gauge (6), high-pressure Table I (9), high-pressure Table II (20).
2, a kind of bearing device big-flow high-pressure fatigue test system according to claim 1 is characterized in that described motor-driven high-pressure high-flow supercharge pump (7) is a tri-plunger high pressure pump.
3, a kind of bearing device big-flow high-pressure fatigue test system according to claim 1 is characterized in that described Pneumatic valve (14) is a two position three-way valve.
4, a kind of bearing device big-flow high-pressure fatigue test system according to claim 1 is characterized in that described electromagnetic valve I (13) is a two-position five-way valve.
5, a kind of bearing device big-flow high-pressure fatigue test system according to claim 1 is characterized in that described electromagnetic valve II (25) is a two position three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202089217U CN201331469Y (en) | 2008-12-31 | 2008-12-31 | High-pressure high-volume fatigue test system of pressure equipment |
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| CNU2008202089217U CN201331469Y (en) | 2008-12-31 | 2008-12-31 | High-pressure high-volume fatigue test system of pressure equipment |
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| CN201331469Y true CN201331469Y (en) | 2009-10-21 |
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| CNU2008202089217U Expired - Fee Related CN201331469Y (en) | 2008-12-31 | 2008-12-31 | High-pressure high-volume fatigue test system of pressure equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808569A (en) * | 2014-01-26 | 2014-05-21 | 合肥通用机械研究院 | High-pressure fatigue test device and test method |
| CN104215513A (en) * | 2014-08-14 | 2014-12-17 | 合肥通用机械研究院 | High-pressure hydrogen embrittlement structure test device and test method |
| CN104990816A (en) * | 2015-07-14 | 2015-10-21 | 珠海格力电器股份有限公司 | Pulse test device |
| CN109470584A (en) * | 2018-10-18 | 2019-03-15 | 北京强度环境研究所 | A kind of hydraulic circulation loading system |
| CN111413128A (en) * | 2020-05-06 | 2020-07-14 | 中国船舶科学研究中心 | Test piece external pressure fatigue test system and method using supercharger |
| CN112160715A (en) * | 2020-09-28 | 2021-01-01 | 中国石油大学(华东) | Instantaneous high-flow pulse jet experiment system and experiment method thereof |
| CN113466056A (en) * | 2021-08-02 | 2021-10-01 | 华东理工大学 | Pressure loading system for micro metal test piece high-temperature bulging test |
-
2008
- 2008-12-31 CN CNU2008202089217U patent/CN201331469Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808569A (en) * | 2014-01-26 | 2014-05-21 | 合肥通用机械研究院 | High-pressure fatigue test device and test method |
| CN103808569B (en) * | 2014-01-26 | 2015-05-20 | 合肥通用机械研究院 | High-pressure fatigue test device and test method |
| CN104215513A (en) * | 2014-08-14 | 2014-12-17 | 合肥通用机械研究院 | High-pressure hydrogen embrittlement structure test device and test method |
| CN104990816A (en) * | 2015-07-14 | 2015-10-21 | 珠海格力电器股份有限公司 | Pulse test device |
| CN104990816B (en) * | 2015-07-14 | 2018-02-23 | 珠海格力电器股份有限公司 | A kind of pulse test device |
| CN109470584A (en) * | 2018-10-18 | 2019-03-15 | 北京强度环境研究所 | A kind of hydraulic circulation loading system |
| CN111413128A (en) * | 2020-05-06 | 2020-07-14 | 中国船舶科学研究中心 | Test piece external pressure fatigue test system and method using supercharger |
| CN112160715A (en) * | 2020-09-28 | 2021-01-01 | 中国石油大学(华东) | Instantaneous high-flow pulse jet experiment system and experiment method thereof |
| CN112160715B (en) * | 2020-09-28 | 2022-07-26 | 中国石油大学(华东) | Instantaneous high-flow pulse jet experiment system and experiment method thereof |
| CN113466056A (en) * | 2021-08-02 | 2021-10-01 | 华东理工大学 | Pressure loading system for micro metal test piece high-temperature bulging test |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20131231 |