CN112727851A - Three-comprehensive test platform based on pulse test and working method thereof - Google Patents
Three-comprehensive test platform based on pulse test and working method thereof Download PDFInfo
- Publication number
- CN112727851A CN112727851A CN202011340879.6A CN202011340879A CN112727851A CN 112727851 A CN112727851 A CN 112727851A CN 202011340879 A CN202011340879 A CN 202011340879A CN 112727851 A CN112727851 A CN 112727851A
- Authority
- CN
- China
- Prior art keywords
- temperature
- oil
- pulse
- pipeline
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a three-comprehensive test platform based on a pulse test and a working method thereof. The pulse test pipeline and the thermal shock and strength test pipeline are integrated into a whole, and three devices are designed together through resource integration, so that the cost is saved, the structure is optimized, the occupied space of the devices is reduced, the utilization rate of the devices is improved, and three important performance tests can be completed by one device.
Description
Technical Field
The invention relates to the technical field of hydraulic systems, in particular to a three-comprehensive test platform based on a pulse test and a working method thereof.
Background
With the rapid development of the industry, hydraulic systems are widely used in various fields. The service life of the product is more and more strict as the industry develops, which means that the quality of important hydraulic parts such as pipelines and accessories thereof used in a hydraulic system is more and more required, wherein the compression resistance and the impact resistance are part of important performance indexes. Professional, high-pressure and high-performance detection equipment is more important, and pressure pulse detection equipment, strength detection equipment and thermal shock detection equipment are three kinds of equipment.
The test system capable of realizing the hose pulse test is disclosed in the patent application number of '201210544909.4' and the patent name of 'hydraulic hose pulse test system', and the device capable of realizing the hose pulse test is disclosed in the patent application number of '201610867008.7' and the patent name of 'a hydraulic device for hydraulic hose impact test', but at present, pressure pulse detection equipment, strength detection equipment and thermal shock detection equipment are all independent equipment, and the whole occupied space of each equipment is large and the equipment needs to be used independently one by one.
Disclosure of Invention
The invention provides a three-comprehensive test platform based on a pulse test and a working method thereof, aiming at the technical problems that the existing pressure pulse detection equipment, strength detection equipment and thermal shock detection equipment are all independent equipment, and the whole occupied space of each equipment is large.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
the three-comprehensive test platform based on the pulse test comprises a pulse hydraulic oil pipeline, wherein the pulse hydraulic oil pipeline is communicated with an environment box, the environment box is communicated with a high-temperature oil supply circulating pipeline, and the pulse hydraulic oil pipeline and the high-temperature oil supply circulating pipeline are both communicated with a normal-temperature oil supply circulating pipeline.
Preferably, the pulse hydraulic oil pipeline, the environment box and the normal temperature oil supply circulation pipeline integrally form a pulse test pipeline, and the high temperature oil supply circulation pipeline, the environment box and the normal temperature oil supply circulation pipeline integrally form a thermal shock and strength test pipeline.
Preferably, an upper station and a lower station are arranged in the environment box, the pulse hydraulic oil pipeline is communicated with the upper station, and the lower station is communicated with the high-temperature oil supply circulation loop; the pulse hydraulic oil pipeline, the upper station and the normal temperature oil supply circulating pipeline integrally form a pulse test pipeline, and the high temperature oil supply circulating pipeline, the lower station and the normal temperature oil supply circulating pipeline integrally form a thermal shock and strength test pipeline.
Preferably, the pulse hydraulic oil pipeline comprises a pulse hydraulic station oil tank, a pulse oil pump, a first one-way valve, a servo valve, a reversing valve and a supercharger, wherein the hydraulic station oil tank is communicated with the pulse oil pump, the pulse oil pump is communicated with an oil inlet of the servo valve through the one-way valve, an energy accumulator and a first pressure sensor are arranged on a pipeline between the one-way valve and the servo valve, an oil outlet of the servo valve is communicated with an oil inlet of the reversing valve, an oil inlet of the reversing valve is communicated with the supercharger, an oil return port of the servo valve and an oil return port of the reversing valve are both communicated with the pulse hydraulic station oil tank through oil return pipelines, the supercharger is communicated with an upper station, and a flow meter, a first pressure sensor and a first temperature sensor are sequentially; an electromagnetic unloading overflow valve is arranged between the pulse oil pump and the oil return pipeline, and the supercharger is communicated with a normal temperature oil supply circulation pipeline.
Preferably, the high-temperature oil supply circulation pipeline comprises a high-temperature oil tank, a high-temperature overflow valve and a high-temperature oil pump, the high-temperature oil tank is communicated with the high-temperature oil pump through the high-temperature overflow valve, the high-temperature overflow valve and the high-temperature oil pump are communicated, a second high-temperature high-pressure stop valve is communicated with the lower station, and a second pressure sensor and a second temperature sensor are arranged between the high-temperature oil cylinder and the lower station; the high-temperature oil tank is respectively communicated with the lower station and the normal-temperature oil supply circulating pipeline through a back pressure valve and a first high-temperature high-pressure stop valve on the return pipeline, and a second temperature sensor is arranged between the first high-temperature high-pressure stop valve and the lower station.
Preferably, the normal-temperature oil supply circulation pipeline comprises a normal-temperature oil tank, an oil supplement overflow valve, a normal-temperature oil supplement pump and a booster pump, the normal-temperature oil tank is respectively communicated with a second one-way valve through the normal-temperature oil supplement pump and the oil supplement overflow valve, the second one-way valve is respectively communicated with a booster and an upper station in the pulse hydraulic oil pipeline, and the normal-temperature oil tank is respectively communicated with a first high-temperature high-pressure stop valve and a lower station through the booster and a third high-temperature high-pressure stop valve; the normal-temperature oil tank, the oil supplementing overflow valve, the normal-temperature oil supplementing pump, the pulse hydraulic station oil tank in the pulse hydraulic oil pipeline, the pulse oil pump, the energy accumulator, the servo valve, the reversing valve, the electromagnetic unloading overflow valve, the supercharger, the flowmeter, the first pressure sensor, the first temperature sensor and the upper station integrally form a pulse test pipeline; and the normal-temperature oil tank, the booster pump, the third high-temperature high-pressure stop valve, the lower station, the second pressure sensor, the second temperature sensor, the second high-temperature high-pressure stop valve, the high-temperature oil pump, the high-temperature oil tank, the back pressure valve and the first high-temperature high-pressure stop valve integrally form a thermal shock and strength test pipeline.
A working method of a three-comprehensive test platform based on a pulse test comprises the following steps:
s1, pulse test: firstly, a tested workpiece is arranged on an upper station, a normal-temperature oil replenishing pump is started to empty the tested workpiece, and after the emptying is finished, a program control servo valve sends out a pulse signal required by the test to form a corresponding waveform so as to finish the pulse test of the tested workpiece;
s2, strength test: firstly, a tested workpiece is arranged on a lower station, the processing closing state of a third high-temperature high-pressure stop valve is determined, then a first high-temperature high-pressure stop valve and a second high-temperature high-pressure stop valve are opened, and a high-temperature oil pump is opened to empty the tested workpiece; after emptying, closing the high-temperature oil pump and the first high-temperature high-pressure stop valve and the second high-temperature high-pressure stop valve, opening the third high-temperature high-pressure stop valve, starting the booster pump to pressurize the lower station, and observing the pressure change of the third pressure sensor; when the test is finished, opening the first high-temperature high-pressure stop valve to release pressure, and finishing the strength test;
s3, thermal shock test: firstly, a tested workpiece is mounted on a lower station, the processing closing state of a third high-temperature high-pressure stop valve is determined, then a first high-temperature high-pressure stop valve and a second high-temperature high-pressure stop valve are opened, a high-temperature oil pump is opened to empty the tested workpiece, and after the emptying is finished, the high-temperature oil pump and the second high-temperature high-pressure stop valve are closed; adjusting the temperature of a medium in a high-temperature oil tank according to test requirements, adjusting the environment temperature of the environment tank after the temperature of the medium reaches a required value, opening a second high-temperature and high-pressure stop valve after the environment temperature of the environment tank reaches the test required value, opening a high-temperature oil pump to continuously fill liquid into a lower station, providing back pressure for the lower station by using a back pressure valve in the liquid filling process, observing the replacement condition of the medium in a tested element through a second temperature sensor, and requiring the completion of replacement within a specified time; the thermal shock test was completed.
Preferably, in step S1, the normal temperature oil replenishing pump supplies an oil source to the high-pressure end during the test, and returns the piston in the supercharger.
Preferably, in the step S3, when the medium in the high-temperature oil tank needs to be heated, whether the element to be tested is completely emptied is observed through the second temperature sensor.
Compared with the prior art, the invention has the beneficial effects that:
the pulse test pipeline equipment and the thermal shock and strength test pipeline equipment are integrated into a whole, and the three equipment are designed together through resource integration, so that the cost is saved, the structure is optimized, the occupied space of the equipment is reduced, the utilization rate of the equipment is improved, and three important performance tests can be completed by one equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1-1 is a pulse hydraulic station oil tank, 1-2 is a high-temperature oil tank, 1-3 is a normal-temperature oil tank, 2-1 is a pulse oil pump, 2-2 is a high-temperature oil pump, 2-3 is a normal-temperature oil replenishing pump, 3-1 is an electromagnetic unloading overflow valve, 3-2 is a high-temperature overflow valve, 3-3 is an oil replenishing overflow valve, 4 is a first check valve, 10 is a second check valve, 5 is a first pressure sensor, 11 is a second pressure sensor, 19 is a third pressure sensor, 6 is an accumulator, 7 is a servo valve, 8 is a reversing valve, 9 is a supercharger, 12 is a first temperature sensor, 17 is a second temperature sensor, 20 is a third temperature sensor, 13 is an environmental tank, 14 is a booster pump, 15 is a first high-temperature high-pressure stop valve, 18 is a second high-temperature high-pressure stop valve, 21 is a third high-temperature high-pressure stop valve, 16 is a back pressure valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: as shown in fig. 1, a three-comprehensive test platform based on a pulse test comprises a pulse hydraulic oil pipeline, wherein the pulse hydraulic oil pipeline is communicated with an environment box 13, the temperature regulation and control change range of the environment box is-60 ℃ to + 200 ℃, the requirement indexes of the pulse test and a thermal shock test on the environment temperature can be considered, the environment box 13 is communicated with a high-temperature oil supply circulating pipeline, and the pulse hydraulic oil pipeline and the high-temperature oil supply circulating pipeline are both communicated with a normal-temperature oil supply circulating pipeline; the pulse hydraulic oil pipeline, the environment box 13 and the normal temperature oil supply circulation pipeline integrally form a pulse test pipeline, and a pulse test on the tested element is completed through the pulse test pipeline; the high-temperature oil supply circulating pipeline, the environment box and the normal-temperature oil supply circulating pipeline integrally form a thermal shock and strength test pipeline, and the thermal shock and strength test of the tested element is completed by using the thermal shock and strength test pipeline.
An upper station and a lower station are arranged in the environment box 13, the upper station comprises 6 stations for mounting a tested piece during a pulse test, the lower station comprises 2 stations for mounting the tested piece during a strength test or a thermal shock test, a pulse hydraulic oil pipeline is communicated with the upper station, and the lower station is communicated with a high-temperature oil supply circulation loop; the pulse hydraulic oil pipeline, the upper station and the normal temperature oil supply circulating pipeline integrally form a pulse test pipeline, and the high temperature oil supply circulating pipeline, the lower station and the normal temperature oil supply circulating pipeline integrally form a thermal shock and strength test pipeline.
The pulse hydraulic oil pipeline comprises a pulse hydraulic station oil tank 1-1, a pulse oil pump 2-1, a first one-way valve 4, a servo valve 7, a reversing valve 8 and a supercharger 9, wherein the pulse hydraulic station oil tank 1-1 is communicated with the pulse oil pump 2-1, the pulse oil pump 2-1 is communicated with an oil inlet of the servo valve 7 through the first one-way valve 4, an energy accumulator 6 and a first pressure sensor 5 are arranged on a pipeline between the first one-way valve 4 and the servo valve 7, an oil outlet of the servo valve 7 is communicated with an oil inlet of the reversing valve 8, an oil inlet of the reversing valve 8 is communicated with the supercharger 9, an oil return port of the servo valve 7 and an oil return port of the reversing valve 8 are communicated with the pulse hydraulic station oil tank 1-1 through oil return pipelines, the supercharger 9 is communicated with an upper station, and a flow meter are, A second pressure sensor 11 and a first temperature sensor 12; an electromagnetic unloading overflow valve 3-1 is arranged between the pulse oil pump 2-1 and the oil return pipeline, and a supercharger 9 is communicated with a normal temperature oil supply circulation pipeline.
The high-temperature oil supply circulating pipeline comprises a high-temperature oil tank 1-2, a high-temperature overflow valve 3-2 and a high-temperature oil pump 2-2, the high-temperature oil tank 1-2 is communicated with the high-temperature oil pump 2-2 through the high-temperature overflow valve 3-2, the high-temperature overflow valve 3-2 is communicated with the high-temperature oil pump 2-2, a second high-temperature high-pressure stop valve 18 is communicated with a lower station, and a third pressure sensor 19 and a third temperature sensor 20 are arranged between the high-temperature oil tank 1-2 and the lower station; the high-temperature oil tank 1-2 is respectively communicated with a lower station and a normal-temperature oil supply circulating pipeline through a back pressure valve 16 and a first high-temperature high-pressure stop valve 15 on a return pipeline, and a second temperature sensor 17 is arranged between the first high-temperature high-pressure stop valve 15 and the lower station.
The normal-temperature oil supply circulation pipeline comprises normal-temperature oil tanks 1-3, an oil supplement overflow valve 3-3, normal-temperature oil supplement pumps 2-3 and a booster pump 14, wherein the normal-temperature oil tanks 1-3 are respectively communicated with a second one-way valve 10 through the normal-temperature oil supplement pumps 2-3 and the oil supplement overflow valve 3-3, the second one-way valve 10 is respectively communicated with a booster 9 and an upper station in the pulse hydraulic oil pipeline, and the normal-temperature oil tanks 1-3 are respectively communicated with a first high-temperature high-pressure stop valve 15 and a lower station through the booster 9 and a third high-temperature high-pressure stop valve 21; the pulse test pipeline is integrally formed by a normal-temperature oil tank 1-3, an oil supplementing overflow valve 3-3, a normal-temperature oil supplementing pump 2-3, a pulse hydraulic station oil tank 1-1 in a pulse hydraulic oil pipeline, a pulse oil pump 2-1, an energy accumulator 6, a servo valve 7, a reversing valve 8, an electromagnetic unloading overflow valve 3-1, a supercharger 9, a flowmeter, a first pressure sensor 5, a second pressure sensor 11, a first temperature sensor 12 and an upper station; the high-temperature oil tank comprises a normal-temperature oil tank 1-3, a booster pump 14, a third high-temperature high-pressure stop valve 21, a lower station, a third pressure sensor 19, a second temperature sensor 17, a third temperature sensor 20, a second high-temperature high-pressure stop valve 18, a high-temperature oil pump 2-2, a high-temperature oil tank 1-2, a back pressure valve 16 and a first high-temperature high-pressure stop valve 15 which integrally form a thermal shock and strength test pipeline, media in the high-temperature oil tank and the normal-temperature oil tank are high-oil medium oil, and whether the media in the high-temperature oil tank need to be heated or not is.
The invention has the following three characteristics: the pulse test of the tested piece can be completed according to the conditions of standard HB6133 and GJB 2837; secondly, the strength test of the tested piece can be completed according to the conditions of the standard GJB 2837; thirdly, the thermal shock test of the tested piece can be completed according to the conditions of the standard GJB 2837. The device is designed based on the performance test requirements of important elements such as hoses, pipes and joint assemblies used in a hydraulic system, aims to verify the performance quality and the pressure fatigue life of the hoses, the pipes and the joint assemblies, and provides important support for process improvement, design and research and development work of the hoses, the pipes and the joint assemblies. The equipment integrates resources, and designs the three equipment together, thereby saving the cost, optimizing the structure, reducing the space occupied by the equipment and improving the utilization rate of the equipment. Related tests of other standard similar products can also be completed according to requirements.
Example 2: as shown in fig. 1, a working method of a three-integrated test platform based on a pulse test includes the following steps:
s1, pulse test: firstly, a tested workpiece is placed on an upper station, a normal-temperature oil replenishing pump is opened to empty the tested workpiece, after the emptying is finished, a pulse test of the tested workpiece is finished through a pulse hydraulic station oil tank, a pulse oil pump, an electromagnetic unloading overflow valve, a one-way valve, a pressure sensor, an energy accumulator, a servo valve, a reversing valve, a supercharger, a one-way valve, a pressure sensor, a temperature sensor and an environment box, a pulse signal required by the pulse generation test in the test process of a servo valve 7 is controlled through a program in the test process to form a corresponding waveform, the pulse test of the tested workpiece is finished, the replacement of different waveforms and the adjustment of different pressure rising rates can be realized through the program control, the temperature in the environment box is adjusted to meet the test temperature requirement, and the pulse test of the tested workpiece is finished; in the pulse test process, a normal-temperature oil replenishing pump 2-3 is used for supplying oil to the high-pressure end in the test process, and a piston in a supercharger 9 returns.
S2, strength test: firstly, a workpiece to be tested is placed on a lower station, the processing closing state of a third high-temperature high-pressure stop valve 21 is determined, a high-temperature oil tank is not heated, a high-temperature oil pump 2-2 and a second high-temperature high-pressure stop valve 18 are opened to empty the workpiece to be tested, after the emptying is finished, a first high-temperature high-pressure stop valve 15 and a second high-temperature high-pressure stop valve 18 are closed, a booster pump 14 is started to pressurize the lower station, and the change of a third pressure sensor 19 is observed; when the test is finished, opening the first high-temperature high-pressure stop valve 15 to release pressure, and finishing the strength test;
s3, thermal shock test: firstly, a tested workpiece is placed on a lower station, the processing closing state of a third high-temperature high-pressure stop valve 21 is determined, then a first high-temperature high-pressure stop valve 15 and a second high-temperature high-pressure stop valve 18 are opened, a high-temperature oil pump 2-2 is opened to empty the tested workpiece, after the emptying is finished, whether the high-temperature oil tank needs to be heated or not is selected according to the actual test requirement, when a medium in the high-temperature oil tank 1-2 needs to be heated, whether the emptying of a tested element is finished or not is observed through a second temperature sensor 17, and the high-temperature oil pump 2-2 and the second high-temperature; adjusting the temperature of a medium in a high-temperature oil tank 1-2 according to test requirements, adjusting the environment temperature of an environment tank 13 after the temperature of the medium reaches a required value, opening a second high-temperature high-pressure stop valve 18 after the environment temperature of the environment tank 13 reaches the test required value, opening a high-temperature oil pump 2-2 to continuously fill liquid into a lower station, providing back pressure for the lower station by using a back pressure valve 16 in the liquid filling process, observing the replacement condition of the medium in a tested element by using a second temperature sensor 17, and requiring the replacement to be completed within a specified time; the thermal shock test was completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The three-comprehensive test platform based on the pulse test comprises a pulse hydraulic oil pipeline and is characterized in that the pulse hydraulic oil pipeline is communicated with an environment box (13), the environment box (13) is communicated with a high-temperature oil supply circulating pipeline, and the pulse hydraulic oil pipeline and the high-temperature oil supply circulating pipeline are both communicated with a normal-temperature oil supply circulating pipeline.
2. The three-in-one test platform based on the pulse test as claimed in claim 1, wherein the pulse hydraulic oil pipeline, the environment box (13) and the normal temperature oil supply circulation pipeline integrally form a pulse test pipeline, and the high temperature oil supply circulation pipeline, the environment box and the normal temperature oil supply circulation pipeline integrally form a thermal shock and strength test pipeline.
3. The three-in-one test platform based on the pulse test is characterized in that an upper station and a lower station are arranged in the environment box (13), a pulse hydraulic oil pipeline is communicated with the upper station, and the lower station is communicated with a high-temperature oil supply circulation loop; the pulse hydraulic oil pipeline, the upper station and the normal temperature oil supply circulating pipeline integrally form a pulse test pipeline, and the high temperature oil supply circulating pipeline, the lower station and the normal temperature oil supply circulating pipeline integrally form a thermal shock and strength test pipeline.
4. The three-comprehensive-test platform based on the pulse test according to claim 3, characterized in that the pulse hydraulic oil pipeline comprises a pulse hydraulic station oil tank (1-1), a pulse oil pump (2-1), a first one-way valve (4), a servo valve (7), a reversing valve (8) and a supercharger (9), the pulse hydraulic station oil tank (1-1) is communicated with the pulse oil pump (2-1), the pulse oil pump (2-1) is communicated with an oil inlet of the servo valve (7) through the first one-way valve (4), an energy accumulator (6) and a first pressure sensor (5) are arranged on a pipeline between the first one-way valve (4) and the servo valve (7), an oil outlet of the servo valve (7) is communicated with an oil inlet of the reversing valve (8), an oil inlet of the reversing valve (8) is communicated with the supercharger (9), and an oil return port of the servo valve (7) and an oil return port of the reversing valve (8) are communicated with the pulse hydraulic station through oil return pipelines and oil return pipelines The oil tank (1-1) is communicated, the supercharger (9) is communicated with the upper station, and a flow meter, a second pressure sensor (11) and a first temperature sensor (12) are sequentially arranged between the supercharger (9) and the upper station; an electromagnetic unloading overflow valve (3-1) is arranged between the pulse oil pump (2-1) and the oil return pipeline, and the supercharger (9) is communicated with a normal temperature oil supply circulation pipeline.
5. The three-comprehensive-test platform based on the pulse test is characterized in that the high-temperature oil supply circulation pipeline comprises a high-temperature oil tank (1-2), a high-temperature overflow valve (3-2) and a high-temperature oil pump (2-2), the high-temperature oil tank (1-2) is communicated with the high-temperature oil pump (2-2) through the high-temperature overflow valve (3-2), the high-temperature overflow valve (3-2) is communicated with the high-temperature oil pump (2-2), a second high-temperature high-pressure stop valve (18) is communicated with a lower station, and a third pressure sensor (19) and a third temperature sensor (20) are arranged between the high-temperature oil tank (1-2) and the lower station; the high-temperature oil tank (1-2) is respectively communicated with the lower station and the normal-temperature oil supply circulating pipeline through a back pressure valve (16) and a first high-temperature high-pressure stop valve (15) on the return pipeline, and a second temperature sensor (17) is arranged between the first high-temperature high-pressure stop valve (15) and the lower station.
6. The three-comprehensive test platform for the pulse tests is characterized in that the normal-temperature oil supply circulation pipeline comprises a normal-temperature oil tank (1-3), an oil supplement overflow valve (3-3), a normal-temperature oil supplement pump (2-3) and a booster pump (14), the normal-temperature oil tank (1-3) is communicated with a second one-way valve (10) through the normal-temperature oil supplement pump (2-3) and the oil supplement overflow valve (3-3) respectively, the second one-way valve (10) is communicated with a booster (9) and an upper station in the pulse hydraulic oil pipeline respectively, and the normal-temperature oil tank (1-3) is communicated with a first high-temperature high-pressure stop valve (15) and a lower station through the booster (9) and a third high-temperature high-pressure stop valve (21) respectively; the pulse testing device comprises a normal-temperature oil tank (1-3), an oil supplementing overflow valve (3-3), a normal-temperature oil supplementing pump (2-3), a pulse hydraulic station oil tank (1-1) in a pulse hydraulic oil pipeline, a pulse oil pump (2-1), an energy accumulator (6), a servo valve (7), a reversing valve (8), an electromagnetic unloading overflow valve (3-1), a supercharger (9), a flowmeter, a first pressure sensor (5), a second pressure sensor (11), a first temperature sensor (12) and an upper station which are integrally formed into a pulse testing pipeline; the device comprises a normal-temperature oil tank (1-3), a booster pump (14), a third high-temperature high-pressure stop valve (21), a lower station, a third pressure sensor (19), a second temperature sensor (17), a third temperature sensor (20), a second high-temperature high-pressure stop valve (18), a high-temperature oil pump (2-2), a high-temperature oil tank (1-2), a back pressure valve (16) and a first high-temperature high-pressure stop valve (15) which are integrally formed into a thermal shock and strength test pipeline.
7. The working method of the pulse test-based triple-integrated test platform according to claim 6, characterized by comprising the following steps:
s1, pulse test: firstly, a tested workpiece is arranged on an upper station, a normal-temperature oil supplementing pump (2-3) is started to empty the tested workpiece, and after the emptying is finished, a servo valve (7) is controlled by a program to send out a pulse signal required by the test to form a corresponding waveform so as to finish the pulse test of the tested workpiece;
s2, strength test: firstly, a tested workpiece is arranged on a lower station, the processing closing state of a third high-temperature high-pressure stop valve (21) is determined, then a first high-temperature high-pressure stop valve (15) and a second high-temperature high-pressure stop valve (18) are opened, and a high-temperature oil pump (2-2) is opened to empty the tested workpiece; after emptying, closing the high-temperature oil pump (2-2), the first high-temperature high-pressure stop valve (15) and the second high-temperature high-pressure stop valve (18), opening a third high-temperature high-pressure stop valve (21), starting a booster pump (14) to pressurize the lower station, and observing the pressure change of a third pressure sensor (19); when the test is finished, opening a first high-temperature high-pressure stop valve (15) to release pressure, and finishing the strength test;
s3, thermal shock test: firstly, a tested workpiece is installed on a lower station, the processing closing state of a third high-temperature high-pressure stop valve (21) is determined, then a first high-temperature high-pressure stop valve (15) and a second high-temperature high-pressure stop valve (18) are opened, a high-temperature oil pump (2-2) is opened to empty the tested workpiece, and after the emptying is finished, the high-temperature oil pump (2-2) and the second high-temperature high-pressure stop valve (18) are closed; adjusting the temperature of a medium in a high-temperature oil tank (1-2) according to test requirements, adjusting the ambient temperature of an ambient tank (13) after the temperature of the medium reaches a required value, opening a second high-temperature and high-pressure stop valve (18) after the ambient temperature of the ambient tank (13) reaches the test required value, opening a high-temperature oil pump (2-2) to continuously fill liquid into a lower station, providing back pressure for the lower station by using a back pressure valve (16) in the liquid filling process, observing the replacement condition of the medium in a tested element through a second temperature sensor (17), and requiring the replacement to be completed within a specified time; the thermal shock test was completed.
8. The working method of the three-comprehensive test platform based on the pulse test is characterized in that the normal temperature oil replenishing pump (2-3) supplies an oil source to the high-pressure end in the test process in the step S1, and returns the piston in the supercharger (9).
9. The method of claim 7, wherein when the medium in the high temperature fuel tank (1-2) needs to be heated in step S3, the second temperature sensor (17) is used to observe whether the emptying of the tested component is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011340879.6A CN112727851B (en) | 2020-11-25 | 2020-11-25 | Three-comprehensive test platform based on pulse test and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011340879.6A CN112727851B (en) | 2020-11-25 | 2020-11-25 | Three-comprehensive test platform based on pulse test and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112727851A true CN112727851A (en) | 2021-04-30 |
| CN112727851B CN112727851B (en) | 2023-07-21 |
Family
ID=75597746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011340879.6A Active CN112727851B (en) | 2020-11-25 | 2020-11-25 | Three-comprehensive test platform based on pulse test and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112727851B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4241199C1 (en) * | 1992-12-08 | 1993-11-25 | Schmidt & Co Gmbh Kranz | Hydraulic fluid circulation system for hydraulic testing of hoses and other components - has connecting pipes for test components fitted with temp. converters and controllable heating elements |
| US20040187562A1 (en) * | 2002-07-23 | 2004-09-30 | Sms Meer Gmbh | Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe |
| CN201475088U (en) * | 2009-08-04 | 2010-05-19 | 泉州市麦格士液压技术有限公司 | Novel hydraulic test bench |
| CN203083884U (en) * | 2012-12-19 | 2013-07-24 | 天津工程机械研究院 | Reliability test device for hydraulic hose assembly |
| CN205719810U (en) * | 2016-04-28 | 2016-11-23 | 北京中汽寰宇机动车检验中心有限公司 | A kind of motor turning power flexible pipe high temperature pulse integrated test system |
| CN106837934A (en) * | 2017-03-28 | 2017-06-13 | 台州学院 | Thermostatically controlled hydraulic hose pulse test bench |
| CN107882779A (en) * | 2016-09-30 | 2018-04-06 | 江波 | A kind of water heater flexible pipe pressure test hydraulic system |
| CN207472521U (en) * | 2017-11-09 | 2018-06-08 | 无锡市海航电液伺服***股份有限公司 | A kind of hose test device |
-
2020
- 2020-11-25 CN CN202011340879.6A patent/CN112727851B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4241199C1 (en) * | 1992-12-08 | 1993-11-25 | Schmidt & Co Gmbh Kranz | Hydraulic fluid circulation system for hydraulic testing of hoses and other components - has connecting pipes for test components fitted with temp. converters and controllable heating elements |
| US20040187562A1 (en) * | 2002-07-23 | 2004-09-30 | Sms Meer Gmbh | Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe |
| CN201475088U (en) * | 2009-08-04 | 2010-05-19 | 泉州市麦格士液压技术有限公司 | Novel hydraulic test bench |
| CN203083884U (en) * | 2012-12-19 | 2013-07-24 | 天津工程机械研究院 | Reliability test device for hydraulic hose assembly |
| CN205719810U (en) * | 2016-04-28 | 2016-11-23 | 北京中汽寰宇机动车检验中心有限公司 | A kind of motor turning power flexible pipe high temperature pulse integrated test system |
| CN107882779A (en) * | 2016-09-30 | 2018-04-06 | 江波 | A kind of water heater flexible pipe pressure test hydraulic system |
| CN106837934A (en) * | 2017-03-28 | 2017-06-13 | 台州学院 | Thermostatically controlled hydraulic hose pulse test bench |
| CN207472521U (en) * | 2017-11-09 | 2018-06-08 | 无锡市海航电液伺服***股份有限公司 | A kind of hose test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112727851B (en) | 2023-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201508303U (en) | Hose pulse testing machine | |
| CN108730760B (en) | Hydrogen storage tank fills hydrogen filling performance detecting system | |
| CN101498636A (en) | Inspection apparatus and method for multifunctional pressure container | |
| CN211292297U (en) | Positive and negative pressure comprehensive test system | |
| CN110825128A (en) | Pressure stabilizing system for detecting leakage of valve | |
| CN112727851A (en) | Three-comprehensive test platform based on pulse test and working method thereof | |
| CN209925140U (en) | Fuel injection system capable of reducing temperature of fuel injector | |
| CN205138903U (en) | Servo booster and pulse testing system who contains it | |
| CN109470584B (en) | Hydraulic circulating loading system | |
| CN102269673B (en) | Rapid hydrogen charging complete equipment and method based on gas drive pressurization technology | |
| CN101234371A (en) | Oil or grease coating machine | |
| CN211013422U (en) | Water pressure detection equipment for pipe fitting sealing performance | |
| CN212254584U (en) | Closed-loop pressure maintaining and pressurizing detection system | |
| CN209238619U (en) | The circulation oil flushing equipment of hydraulic system pipeline | |
| CN115127013A (en) | Skid-mounted type pressurization hydrogenation station system and hydrogenation method thereof | |
| CN203287200U (en) | Lubricating oil auxiliary system used in diesel bench tests | |
| CN204591559U (en) | A kind of oil sprayer and oily rail assembly performance test bench | |
| CN216012737U (en) | Fuel oil circulation testing machine | |
| CN205331121U (en) | Hydraulic pressure pump test load valves | |
| CN216010403U (en) | Hydrogenation machine with state monitoring function | |
| CN110542210B (en) | Ultrahigh-temperature oil temperature machine with cooling control function | |
| CN219492771U (en) | Oil supply hydraulic system | |
| CN216351109U (en) | General type aeroengine ground test lubricating oil cooling system | |
| CN216116561U (en) | Pressure accumulator valve plate is suppressed and is tried out frock | |
| CN214667602U (en) | Solenoid valve test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |