CN201344883Y - Hydraulic pulse fatigue device in pipe - Google Patents
Hydraulic pulse fatigue device in pipe Download PDFInfo
- Publication number
- CN201344883Y CN201344883Y CNU2009200382890U CN200920038289U CN201344883Y CN 201344883 Y CN201344883 Y CN 201344883Y CN U2009200382890 U CNU2009200382890 U CN U2009200382890U CN 200920038289 U CN200920038289 U CN 200920038289U CN 201344883 Y CN201344883 Y CN 201344883Y
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- pressure
- valve
- retaining valve
- pressurize
- inlet end
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Abstract
The utility model discloses a hydraulic pulse fatigue device in pipe, comprising a gas control part, an electrical control part, and a ballonet dipped in a liquid container, wherein the gas control part comprises a pressure regulating valve, a pressure-maintaining one-way valve and a pressure-releasing one-way valve; the gas outlet end of the pressure regulating valve is communicated with the gas inlet end of the pressure-maintaining one-way valve, the gas outlet end of which is communicated with the gas inlet end of the pressure-releasing one-way valve and with the ballonet; the pressure-releasing one-way valve has a gas outlet end; the electrical control device can open and the close the pressure-maintaining one-way valve and the pressure-releasing one-way valve alternately and count; the liquid container has a liquid outlet, through which and an output pipe the liquid is sent to the tested products; the pressure regulating valve in the gas control part can regulate the pulse pressure in the tested products; the device provides a reasonable, and executable hydraulic pulse fatigue test in pipes which can simulate hydraulic pulse for the stainless steel thin wall corrugated pipes, and can also be applied to the hydraulic pulse fatigue test of other pipes.
Description
Technical field
The utility model belongs to pipeline withstand voltage test instrument technical field, particularly relates to a kind of hydraulic impulse fatigue device of thin-wall corrugated tube pipeline.
Background technology
Use stainless steel thin-wall corrugated tube pipeline to form the cool cycles pipe system in the cooling system of hauling engine equipment, the ability that pipeline bears liquid pulse pressure is one of stainless steel thin-wall corrugated tube important performance.Can thin-wall corrugated tube bear great pulse actually? under specific design pulse state, how long have the serviceable life of corrugated tube actually? method with Theoretical Calculation is to be difficult to obtain conclusion, must through simulation hydraulic impulse fatigue just can obtain with the actual user mode of corrugated tube under akin conclusion.
At present, search the domestic and foreign literature data, also there are not the test unit of liquid pulse pressure in the open source information introduction simulation pipeline and the method for testing that corrugated tube bears pulse hydraulic, in the past, for most of common liq pipeline, all adopt fluid pressure envelope test method, the actual behaviour in service of the cooling system of this method of testing and hauling engine equipment is far from each other, can not really reflect the hydraulic impulse bearing capacity of thin-wall corrugated tube.For the reliability and the serviceable life of improving the hauling engine device cooling system, must seek hydraulic impulse fatigue device in a kind of reasonable, feasible pipeline, can simulate hydraulic impulse, the stainless steel thin-wall corrugated tube is carried out the hydraulic impulse endurancing.
Summary of the invention
The purpose of this utility model is to provide a kind of interior hydraulic impulse fatigue device of pipeline that can simulate hydraulic impulse, and stainless steel thin-wall corrugated tube pipeline is carried out the hydraulic impulse torture test.
In order to achieve the above object, the technical solution of the utility model is, hydraulic impulse fatigue device in the pipeline, and it comprises gas control parts, electrical control gear and is immersed in air bag in the liquid container; The gas control parts comprise pressure regulator valve, pressurize retaining valve and pressure release retaining valve; The pressure regulator valve outlet side is connected with the inlet end of pressurize retaining valve, and the outlet side of pressurize retaining valve is connected with the inlet end of pressure release retaining valve, and is connected with air bag; Pressure regulator valve has inlet end, and the pressure release retaining valve has the outlet side; Electrical control gear is electrically connected with pressurize retaining valve and pressure release retaining valve respectively; Liquid container has liquid outlet.
Described variable valve inlet end can have air compressor.
Can be provided with oil and water filters between described variable valve outlet side and the pressurize retaining valve inlet end.
Be connected with output channel on the liquid outlet of described liquid container, output channel is provided with tensimeter.
Described electrical control gear is built-in with the on-off circuit of control pressurize retaining valve and pressure release retaining valve, time relay sum counter.
Hydraulic impulse fatigue device in the utility model pipeline, because the pressure regulator valve on the gas control parts can be regulated the size of pulse in the pipeline, electrical control gear can carry out the opening and closing of alternative expression at interval to pressurize retaining valve and pressure release retaining valve, form recurrence interval with time correlation, each cycle, counting once, therefore, this device can be simulated hydraulic impulse, the stainless steel thin-wall corrugated tube that uses in the cooling system to hauling engine equipment carries out pulse hydraulic carrying endurancing, also can be applied on the hydraulic impulse fatigue of other pipeline.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done explanation in further detail.
Fig. 1 is the utility model system schematic;
" hydraulic pressure---time " curve map when Fig. 2 is a test pulse hydraulic of the present utility model.
Embodiment
Embodiment:
Be illustrated in figure 1 as system schematic of the present utility model, hydraulic impulse fatigue device in the pipeline, it comprises gas control parts 1, electrical control gear 2 and is immersed in air bag 3 in the liquid container 4; Gas control parts 1 comprise pressure regulator valve 1-1, pressurize retaining valve 1-2 and pressure release retaining valve 1-3; The inlet end of pressure regulator valve 1-1 outlet side and pressurize retaining valve 1-2 be connected, the outlet side of pressurize retaining valve 1-2 is connected with the inlet end of pressure release retaining valve 1-3, and is connected with air bag 3; Pressure regulator valve 1-1 has inlet end 1-7, and pressure release retaining valve 1-3 has outlet side 1-4; Electrical control gear 2 is electrically connected with pressurize retaining valve 1-2 and pressure release retaining valve 1-3 respectively; Liquid container 4 has liquid outlet 8, is connected with output channel 5 on the liquid outlet 8, and output channel 5 is provided with tensimeter 6.Liquid is sent in the test products 7 through liquid outlet 8 and output channel 5.Pressure regulator valve 1-1 in the gas control parts 1 can regulate the pulse size in the test products 7.
Above-mentioned variable valve 1-1 inlet end 1-7 can have air compressor 1-5; Can be provided with oil and water filters 1-6 between above-mentioned variable valve 1-1 outlet side and the pressurize retaining valve 1-2 inlet end.
Above-mentioned electrical control gear 2 is built-in with the on-off circuit of control pressurize retaining valve 1-2 and pressure release retaining valve 1-3, time relay sum counter.
When pressurize retaining valve 1-2 opened, pressure release retaining valve 1-3 closed; Otherwise when pressure release retaining valve 1-3 opened, pressurize retaining valve 1-2 closed, and hocketed at interval, and counted, and in each cycle, counting once.Pressurize and pressure release are controlled by the time relay, and counting is undertaken by counter.
" hydraulic pressure---time " curve map when being test pulse hydraulic means of the present utility model work as shown in Figure 2; Ordinate is the force value in the tested pipeline, and it is associated with pressure regulator valve in the gas control parts, according to different tested pipelines and test pressure requirement, can regulate the pressure regulator valve in the gas control parts, change test pulse force value; Horizontal ordinate is a time value, and it is associated with the control of electrical control gear, regulates the correlation parameter of electrical control gear, can change the time delay of pressurize and pressure release, thereby changes the recurrence interval.The a-b section is for opening pressurize retaining valve 1-2 among the figure, state when closing pressure release retaining valve 1-3, b-c is a packing state, c-d is for closing pressurize retaining valve 1-2, state when opening pressure release retaining valve 1-3, d-e are the pressure release state, and the time of a-e is a recurrence interval, prolong or shortening pressurize and pressure release time, can change the size in pulse cycle.
Claims (5)
1, hydraulic impulse fatigue device in the pipeline is characterized in that: it comprises gas control parts (1), electrical control gear (2) and is immersed in air bag (3) in the liquid container (4); Gas control parts (1) comprise pressure regulator valve (1-1), pressurize retaining valve (1-2) and pressure release retaining valve (1-3); Pressure regulator valve (1-1) outlet side is connected with the inlet end of pressurize retaining valve (1-2), and the outlet side of pressurize retaining valve (1-2) is connected with the inlet end of pressure release retaining valve (1-3), and is connected with air bag (3); Pressure regulator valve (1-1) has inlet end (1-7), and pressure release retaining valve (1-3) has outlet side (1-4); Electrical control gear (2) is electrically connected with pressurize retaining valve (1-2) and pressure release retaining valve (1-3) respectively; Liquid container (4) has liquid outlet (8).
2, hydraulic impulse fatigue device in the pipeline according to claim 1, it is characterized in that: described variable valve (1-1) inlet end (1-7) can have air compressor (1-5.).
3, hydraulic impulse fatigue device in the pipeline according to claim 1 and 2 is characterized in that: can be provided with oil and water filters (1-6) between described variable valve (1-1) outlet side and pressurize retaining valve (1-2) inlet end.
4, hydraulic impulse fatigue device in the pipeline according to claim 3, it is characterized in that: be connected with output channel (5) on the liquid outlet (8) of described liquid container (4), output channel (5) is provided with tensimeter (6).
5, hydraulic impulse fatigue device in the pipeline according to claim 4 is characterized in that: described electrical control gear (2) is built-in with the on-off circuit of control pressurize retaining valve (1-2) and pressure release retaining valve (1-3), time relay sum counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200382890U CN201344883Y (en) | 2009-01-11 | 2009-01-11 | Hydraulic pulse fatigue device in pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200382890U CN201344883Y (en) | 2009-01-11 | 2009-01-11 | Hydraulic pulse fatigue device in pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344883Y true CN201344883Y (en) | 2009-11-11 |
Family
ID=41276465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200382890U Expired - Fee Related CN201344883Y (en) | 2009-01-11 | 2009-01-11 | Hydraulic pulse fatigue device in pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344883Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644547A (en) * | 2017-01-03 | 2017-05-10 | 无锡塔尔基热交换器科技有限公司 | Pulse simulation device |
| CN114720114A (en) * | 2022-06-10 | 2022-07-08 | 沈阳美茵联合检测有限公司 | Aviation hydraulic conduit test sample piece and sine wave pulse fatigue test method thereof |
| CN106644547B (en) * | 2017-01-03 | 2024-05-17 | 无锡塔尔基热交换器科技有限公司 | Pulse simulator |
-
2009
- 2009-01-11 CN CNU2009200382890U patent/CN201344883Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644547A (en) * | 2017-01-03 | 2017-05-10 | 无锡塔尔基热交换器科技有限公司 | Pulse simulation device |
| CN106644547B (en) * | 2017-01-03 | 2024-05-17 | 无锡塔尔基热交换器科技有限公司 | Pulse simulator |
| CN114720114A (en) * | 2022-06-10 | 2022-07-08 | 沈阳美茵联合检测有限公司 | Aviation hydraulic conduit test sample piece and sine wave pulse fatigue test method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 Jiangsu city of Changzhou province Wujin Fenglin District of Wujin national hi tech Industrial Development Zone, Road No. 199 Patentee after: Xinyu Bombardier Traction System Co Ltd Address before: 213011, 18, Qian Jia Industrial Zone, remote view Town, Wujin District, Jiangsu, Changzhou Patentee before: Bombardier CPC Propulsion System Co., Ltd. |
|
| 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: 20091111 Termination date: 20180111 |