CN214794143U

CN214794143U - Withstand voltage blasting test system

Info

Publication number: CN214794143U
Application number: CN202120911278.XU
Authority: CN
Inventors: 陈浩; 王克俊; 李肖刚; 石春珉; 姜伟; 张忠凯; 杨鹏; 姜君; 张锐; 黄健; 高福来; 肖楠; 于荣泉; 黄哲昊; 曹玉; 宋婕; 卢翀; 王超; 宋子贤; 王科理
Original assignee: China Academy of Railway Sciences Corp Ltd CARS; Standards and Metrology Research Institute of CARS; China Railway Test and Certification Center Ltd
Current assignee: China Academy of Railway Sciences Corp Ltd CARS; Standards and Metrology Research Institute of CARS; China Railway Test and Certification Center Ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-19
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to the field of railway equipment testing, and provides a pressure-resistant blasting test system, which comprises a pressure water source device, a first explosion-proof box and a second explosion-proof box; the pressure water source device comprises a medium liquid tank, a first electromagnetic valve, a second electromagnetic valve, a first pneumatic pump, a second pneumatic pump, a first one-way valve and an output pipeline. Two pneumatic pumps with different rated output pressures are adopted, so that the pressure test conditions of more test scenes can be met, and the system reuse rate is effectively improved.

Description

Withstand voltage blasting test system

Technical Field

The utility model relates to a railway equipment test field particularly, relates to a withstand voltage blasting test system.

Background

When the equipment on the railway locomotive is subjected to pressure resistance test, different test pressures need to be selected for testing due to different pressure resistance degrees of the equipment, for example, the pressure required when the ferrule type pipe joint is tested is much greater than the pressure required when the oil-water radiator is tested. Because the test pressure is different, when the pressure device is selected, the cost of each test system is different, in the prior art, in order to facilitate the test development, a corresponding pressure-resistant blasting experiment table needs to be designed for each device, and thus the overall cost is increased. Sometimes, in order to reuse the test experiment table, when the tested device is replaced, the corresponding pressure device needs to be replaced to achieve the corresponding test pressure, but the operation is complex and time-consuming, and the pressure device is replaced back and forth, so that the connecting piece is unreliable, a leak point is formed, and the test fails.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressure-resistant explosion test system, which comprises a pressure water source device, a first explosion-proof box for accommodating a first tested piece and a second explosion-proof box for accommodating a second tested piece, wherein the first explosion-proof box is connected with the pressure water source device; the pressure water source device comprises a medium liquid tank, a first electromagnetic valve, a second electromagnetic valve, a first pneumatic pump, a second pneumatic pump, a first one-way valve and an output pipeline, wherein the input end of the first electromagnetic valve is connected with a driving air source, the input end of the second electromagnetic valve is connected with the driving air source, the output end of the first electromagnetic valve is connected with the driving input end of the first pneumatic pump, the output end of the second electromagnetic valve is connected with the driving input end of the second pneumatic pump, the liquid input ends of the first pneumatic pump and the second pneumatic pump are connected with the medium liquid tank, the liquid output end of the first pneumatic pump is connected with the output pipeline, the liquid output end of the second pneumatic pump is connected with the input end of the first one-way valve, the output end of the first one-way valve is connected with the output pipeline, and the tail end of the output pipeline is selectively connected with a first tested piece in the first explosion-proof tank and/or a second explosion-proof piece in the first explosion-proof tank And a second tested piece in the explosion box is connected, and the rated output pressure of the first pneumatic pump is greater than that of the second pneumatic pump.

Furthermore, the pressure water source device also comprises a first safety valve, the input end of the first safety valve is connected with the liquid output end of the second pneumatic pump, and the output end of the first safety valve is connected with the medium liquid tank.

Furthermore, the pressure water source device further comprises a third electromagnetic valve and a first air control valve, wherein the first air control valve is arranged on the output pipeline, the input end of the third electromagnetic valve is connected with a control air source, and the output end of the third electromagnetic valve is connected with the control end of the first air control valve.

Furthermore, the pressure water source device further comprises a plurality of safety pressure relief pipelines, each safety pressure relief pipeline comprises a fourth electromagnetic valve, a second pneumatic control valve and a second safety valve, the input end of the second pneumatic control valve is connected with the output pipeline, the output end of the second pneumatic control valve is connected with the input end of the second safety valve, the output end of the second safety valve is connected with the medium liquid tank, the input end of the fourth electromagnetic valve is connected with a control air source, and the output end of the fourth electromagnetic valve is connected with the control end of the second pneumatic control valve.

Further, the pressure relief threshold of the second safety valve in each safety pressure relief line is different.

Further, the pressure water source device further comprises a high-pressure filter, a third pneumatic control valve, a manual pressure relief valve and a fifth electromagnetic valve, wherein the input end of the high-pressure filter is connected with the output pipeline, the output end of the high-pressure filter is connected with the input end of the third pneumatic control valve, the output end of the third pneumatic control valve is connected with the medium liquid tank, the input end of the manual pressure relief valve is connected with the output pipeline, and the output end of the manual pressure relief valve is connected with the medium liquid tank; the input end of the fifth electromagnetic valve is connected with a control air source, and the output end of the fifth electromagnetic valve is connected with the control end of the third pneumatic control valve.

Further, the pressure water source device further comprises a sixth electromagnetic valve, a seventh electromagnetic valve and a pressure regulating valve, wherein the input end of the sixth electromagnetic valve is connected with the driving output end of the first pneumatic pump, the output end of the sixth electromagnetic valve is connected with the input end of the pressure regulating valve, the input end of the seventh electromagnetic valve is connected with the driving output end of the second pneumatic pump, and the output end of the seventh electromagnetic valve is connected with the input end of the pressure regulating valve; the output end of the pressure regulating valve is connected with a control pipeline, and the control pipeline is used for inputting and controlling gas source gas.

Furthermore, the pressure water source device also comprises a centrifugal pump and a second one-way valve, wherein the input end of the centrifugal pump is connected with the medium liquid tank, the output end of the centrifugal pump is connected with the input end of the second one-way valve, and the output end of the second one-way valve is connected with the output pipeline.

Further, the first explosion-proof box comprises a rack, a first guide rail positioned at the top of the rack, a second guide rail positioned at the bottom of the rack, and a sliding door capable of sliding relative to the first guide rail and the second guide rail, wherein the extension directions of the second guide rail and the first guide rail are parallel to each other, and the projections of the second guide rail and the first guide rail on the horizontal plane are not overlapped.

Furthermore, the pressure water source device also comprises a water electromagnetic valve, the output end of the water electromagnetic valve is connected with the medium liquid tank, and the input end of the water electromagnetic valve is connected with a water source.

The utility model provides a withstand voltage blasting test system is connected to same output pipeline through setting up the pneumatic pump that two rated output pressure are different, and according to the pressure condition of test, the tester selects to open the pneumatic pump that corresponds, carries out test work. And when the first one-way valve is adopted and the two pneumatic pumps are started to work simultaneously, the pneumatic pump with high rated output pressure cannot damage the pneumatic pump with low rated output pressure. The utility model discloses well adopt the pneumatic pump that two rated output pressure are different, can satisfy the pressure test condition of more test scene, the system reuse rate is effectively promoted.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

fig. 1 is a hydraulic schematic diagram of a pressure burst test system according to some embodiments of the present invention;

fig. 2 is a schematic structural layout of a pressure burst testing system according to some embodiments of the present invention;

fig. 3 is a schematic partial structure diagram of a pressure-resistant explosion test system according to some embodiments of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The railway locomotive power device often needs to dispose the radiator, the performance of radiator influences the life of power device, in order to increase the radiator effect, often can set up fluid pipeline in the radiator, promote the efficiency of heat exchange, for example, to the oil radiator of railway locomotive traction transformer, be provided with the oil circuit pipeline, carry out heat conduction through oil and realize the heat dissipation, for example again, to the water radiator of railway locomotive traction converter, be provided with the water route pipeline, carry out heat conduction through water and realize the heat dissipation, need to test the pressure resistance of oil circuit pipeline, water circuit pipeline among the prior art, often carry out pressure resistance test to water route pipeline and oil circuit pipeline, detect its pressure resistance. Meanwhile, for a ferrule type pipe joint on a railway locomotive, in order to ensure that the ferrule type pipe joint can bear high pressure when in use, a pressure resistance test needs to be carried out on the ferrule type pipe joint. In the existing test conditions, the test pressure condition aiming at the ferrule type pipe joint is much higher than the test pressure condition aiming at the oil-water radiator. If the device with the high-pressure pump is used for carrying out two tests independently, the control precision of the high-pressure pump is low when the pressure resistance test of the radiator is carried out, and the test pressure cannot be finely controlled. If the low-pressure pump is adopted alone, the ferrule type pipe joint cannot be tested.

The embodiment of the utility model provides an adopt pneumatic pump of two kinds of rated pressure as the test pressure source, through opening different pneumatic pumps, realize different pressure test conditions. Specifically, as shown in fig. 1, an embodiment of the present invention provides a pressure-resistant bursting test system 1000, which includes a pressure water source device 100, a first explosion-proof box 300 for accommodating a first tested piece, and a second explosion-proof box 500 for accommodating a second tested piece; wherein, the pressure water source device 100 comprises a medium liquid tank 101, a first solenoid valve 102, a second solenoid valve 103, a first pneumatic pump 104, a second pneumatic pump 105, a first one-way valve 106 and an output pipeline 107, the input end of the first solenoid valve 102 is connected with a driving air source, the input end of the second solenoid valve 103 is connected with the driving air source, the output end of the first solenoid valve 102 is connected with the driving input end of the first pneumatic pump 104, the output end of the second solenoid valve 105 is connected with the driving input end of the second pneumatic pump 105, the liquid input ends of the first pneumatic pump 104 and the second pneumatic pump 105 are connected with the medium liquid tank 101, the liquid output end of the first pneumatic pump 104 is connected with the output pipeline 107, the liquid output end of the second pneumatic pump 105 is connected with the input end of the first one-way valve 106, and the output end of the first one-way valve 106 is connected with the output pipeline 107, the end of the output pipeline 107 is selectively connected with a first tested piece in the first explosion-proof box 300 and/or a second tested piece in the second explosion-proof box 500, and the rated output pressure of the first pneumatic pump 104 is larger than the rated output pressure of the second pneumatic pump 105. In some embodiments of the present invention, the first tested member may be a ferrule type pipe joint, and the second tested member may be an oil-water radiator. When a test is performed, for example, when a pressure resistance test is performed on a ferrule type pipe joint, the ferrule type pipe joint is placed in the first explosion-proof box 300, one end of the ferrule type pipe joint is connected with an output pipeline 107, and other ports of the ferrule type pipe joint are sealed and blocked, at this time, a first pneumatic pump 105 can be selectively driven to operate, a signal is input to the first electromagnetic valve 102, an air source is driven to enter the first pneumatic pump 104 from the first electromagnetic valve 102, the first pneumatic pump 104 is driven to pump liquid (for example, water) from the medium liquid tank 101 into the first pneumatic pump 104, pressurization is performed, and the pressurized liquid is output to the ferrule type pipe joint from the output pipeline 107 to perform the pressure resistance test. Similarly, when the radiator is subjected to a pressure resistance test, the second pneumatic pump 105 can be selectively started to perform liquid pressurization output to the radiator. The rated output pressure of the first pneumatic pump 104 may be 740MPa, and the rated output pressure of the second pneumatic pump 105 may be 145 MPa. When a pressure resistance test is performed on the ferrule type pipe joint, 200MPa and 220MPa pressure liquid can be input into the ferrule type pipe joint for testing; when the pressure resistance test is carried out on the radiator, pressure liquid of 40MPa and 30MPa can be input into the radiator to carry out the pressure resistance test. After the pressurized fluid is injected, the system waits for a certain time, for example, half an hour, and then is observed whether leakage or a dead spot exists. The first explosion-proof box 300 and the second explosion-proof box 500 play a role of protecting external equipment when a tested piece is leaked and damaged, and a high-pressure leakage environment is isolated in an independent space. The first solenoid valve 102 and the second solenoid valve 103 are normally closed solenoid valves, and the first solenoid valve 102 and the second solenoid valve 103 may be pilot valves. The first check valve 106 can reduce the impact on the second pneumatic pump 105 when the first pneumatic pump 104 operates, and the safety of the second pneumatic pump 105 is ensured.

In order to increase the pipeline safety and prevent the second pneumatic pump 105 from being uncontrollably pressurized to cause the problem of equipment damage, the pressure water source device 100 further comprises a first safety valve 108, the input end of the first safety valve 108 is connected with the liquid output end of the second pneumatic pump 105, and the output end of the first safety valve 108 is connected with the medium liquid tank 101. The pressure relief threshold of the first relief valve 108 may be 95 MPa.

In order to facilitate the control of the on-off of the output pipeline 107, the pressure water source device 100 further includes a third electromagnetic valve 109 and a first pneumatic control valve 110, the first pneumatic control valve 110 is disposed on the output pipeline 107, an input end of the third electromagnetic valve 109 is connected to a control air source, and an output end of the third electromagnetic valve 109 is connected to a control end of the first pneumatic control valve 110. The third electromagnetic valve 109 is a normally closed electromagnetic valve, and when the first pneumatic control valve 110 works, that is, when the output pipeline 107 is required to output pressure fluid to the outside, the third electromagnetic valve 109 may be energized, so that the control air source reaches the first pneumatic control valve 110 from the third electromagnetic valve 109, and the first pneumatic control valve 110 is opened.

The utility model provides a withstand voltage blasting test system 1000 can provide multiple pressure test, exports the pressure fluid of different pressure, for example exports 50MPa, 130MPa, 230 MPa's pressure fluid and tests, in order to adapt to the pressure fluid of different pressure, pressure water source device 100 still includes a plurality of safe pressure release pipelines 111, and every safe pressure release pipeline 111 includes fourth solenoid valve 112, second gas accuse valve 113, second relief valve 114, second gas accuse valve 113's input with output pipe 107 connects, second gas accuse valve 113's output with the input of second relief valve 114 is connected, the output of second relief valve 114 with medium liquid tank 101 connects, the input and the control air supply of fourth solenoid valve 112 are connected, the output of fourth solenoid valve 112 with the control end of second gas accuse valve 113 is connected. In some embodiments, the pressure relief threshold of the second relief valve 114 in each relief circuit 111 is different. For example, the medium pressure burst test system 1000 of the present invention is provided with three safety relief lines 111, the safety relief threshold of the second safety valve 114 in each safety relief line 111 is 55MPa, 135MPa, 240MPa, the corresponding safety relief pipeline 111 is selected to work by controlling the on/off of the second pneumatic control valve 113, for example, when 50MPa or 55MPa pressure liquid needs to be output, the safety pressure relief pipeline 111 where the second safety valve 114 with the safety pressure relief threshold value of 55MPa is located is controlled to work, at this time, the corresponding fourth electromagnetic valve 112 is energized, the air source is controlled to output from the fourth electromagnetic valve 112 to the second air control valve 113, the second air control valve 113 is driven to open, the pressure fluid enters the corresponding second safety valve 114, if the pressure liquid exceeds the safety pressure relief threshold 55MPa of the second safety valve 114, the second safety valve 114 performs pressure relief, and the pressure liquid flows back to the medium liquid tank 101. The fourth solenoid valve 112 may be a normally closed solenoid valve.

In order to deal with emergency situations, the pressure water source device 100 of the present invention may further be provided with a control device for directly relieving pressure of the output pipeline 107, specifically, the pressure water source device 100 further includes a high pressure filter 115, a third pneumatic control valve 116, a manual pressure relief valve 117 and a fifth electromagnetic valve 118, an input end of the high pressure filter 115 is connected to the output pipeline 107, an output end of the high pressure filter 115 is connected to an input end of the third pneumatic control valve 116, an output end of the third pneumatic control valve 116 is connected to the medium liquid tank 101, an input end of the manual pressure relief valve 117 is connected to the output pipeline 107, and an output end of the manual pressure relief valve 117 is connected to the medium liquid tank 101; the input end of the fifth solenoid valve 118 is connected with a control air source, and the output end of the fifth solenoid valve 118 is connected with the control end of the third pneumatic control valve 116. The fifth electromagnetic valve 118 may be a normally closed electromagnetic valve, and when emergency pressure relief is required, the fifth electromagnetic valve 118 may be energized, so that the control air source is output from the fifth electromagnetic valve 118 to the third pneumatic control valve 116, the third pneumatic control valve 116 is opened, the pressure fluid enters the high-pressure filter 115 from the output pipeline for pressure reduction and filtration, and then flows back to the medium fluid tank 101 from the third pneumatic control valve 116. And manual operation can be adopted to directly relieve pressure, the manual pressure relief valve 117 enables the circuits to be communicated, and pressure liquid flows back to the medium liquid tank 101 from the output pipeline and the manual pressure relief valve 117.

In order to efficiently utilize the driving air source, the air from the driving output end of the first pneumatic pump can be introduced to control the air source, so as to improve the utilization rate of the air source, specifically, the pressure water source device 100 further comprises a sixth electromagnetic valve 119, a seventh electromagnetic valve 120, and a pressure regulating valve 121, wherein the input end of the sixth electromagnetic valve 119 is connected with the driving output end of the first pneumatic pump 104, the output end of the sixth electromagnetic valve 119 is connected with the input end of the pressure regulating valve 121, the input end of the seventh electromagnetic valve 120 is connected with the driving output end of the second pneumatic pump 105, and the output end of the seventh electromagnetic valve 120 is connected with the input end of the pressure regulating valve 121; the output end of the pressure regulating valve 121 is connected to a control pipeline, and the control pipeline is used for inputting and connecting control gas source gas to a control gas source. The pressure of the gas flowing back into the control gas source can be controlled by the pressure regulating valve 121, so that the control requirement can be met. The sixth solenoid valve 119 and the seventh solenoid valve 120 may be normally closed solenoid valves.

The utility model provides a withstand voltage blasting test system 1000 is in order to prevent that control air supply, drive air supply are inefficacy, causes the unable problem of testing of going on, has still set up reserve automatically controlled centrifugal pump, carries out external output liquid, in addition, in some work of wasing explosion-proof case, also can utilize the centrifugal pump output liquid of plug-and-play to wash, the operation of being convenient for. Specifically, the pressure water source device 100 further includes a centrifugal pump 122 and a second check valve 123, an input end of the centrifugal pump 122 is connected to the medium tank 101, an output end of the centrifugal pump 122 is connected to an input end of the second check valve 123, and an output end of the second check valve 123 is connected to the output pipeline 107. The output line 107 can output pressure fluid by controlling the operation of the centrifugal pump 122.

As shown in fig. 2 and 3, in order to facilitate opening and closing of the explosion-proof box, the first explosion-proof box 300 includes a frame 310, a first guide rail 311 located at the top of the frame 310, a second guide rail 312 located at the bottom of the frame 310, and a sliding door 320 slidable with respect to the first guide rail 311 and the second guide rail 312, wherein the extending directions of the second guide rail 312 and the first guide rail 311 are parallel to each other, and the projections of the second guide rail 312 and the first guide rail 311 on the horizontal plane do not coincide. By sliding the sliding door 320 to open or close the first explosion proof box 300, the first explosion proof box is small in size, and can be subjected to a pressure resistance test by using a ferrule type pipe joint. The second explosion-proof box 500 is large in size and can be used for pressure resistance testing of an oil-water radiator, the second explosion-proof box 500 comprises an explosion-proof box body 510 and an opening and closing door 520 capable of rotating relative to the explosion-proof box body 510, and opening or closing of the second explosion-proof box 500 is achieved through rotation of the opening and closing door 520. The first explosion-proof box 300 and the second explosion-proof box 500 are used for isolating the pressurized tested equipment and the tested personnel, and the test safety is improved.

In order to facilitate the refilling of the liquid in the medium liquid tank 101, the pressure water source device 500 further includes a solenoid valve 124 for water, an output end of the solenoid valve 124 for water is connected to the medium liquid tank 101, and an input end of the solenoid valve 124 for water is connected to a water source. The electromagnetic valve 124 for water may be a normally closed electromagnetic valve, and when communication is required, the electromagnetic valve is powered on.

As shown in fig. 1, the pressure water source apparatus 100 is further provided with a device such as a filter or a valve which is relatively common in a pipeline, for example, the pressure water source apparatus 100 further includes a pneumatic triple 125, a third one-way valve 126 on a control pipeline, a safety relief valve 127 on a driving pipeline, and further includes a filter 128 and a manual valve 129 at input ends of the first pneumatic pump 104, the second pneumatic pump 105, and the centrifugal pump 122, and liquid in the medium liquid tank 101 enters the first pneumatic pump 104 and the second pneumatic pump 105 from the filter 128 and the manual valve 129; the end of the output pipeline 107 is provided with an output port 130, the input end of the water electromagnetic valve 124 is connected with a liquid source inlet 131, the bottom of the medium liquid tank 101 is connected with a liquid outlet 132, the inlet of the control pipeline is provided with a control air interface 134, and the inlet of the driving pipeline is provided with a driving air interface 133.

As shown in fig. 2, the pressure-resistant blasting experiment system 1000 of the present invention further comprises a control cabinet 600 and a pump valve cabinet 700, wherein the pressure water source device 500 is disposed in the pump valve cabinet 700. The control cabinet 600 is used for outputting electric signals and power to each electrical device in the pressure water source device 500. In some embodiments, the pressure test can work without a control cabinet, and the pressure test can be performed by manually powering on each device according to test requirements.

The utility model provides a control air supply, drive air supply can utilize air pump, gas holder and filter to constitute air supply unit, the water source can adopt the running water, also can adopt and filter back running water. The output gas pressure of the gas source device can be 0.6-20 MPa, and the gas pump is provided with a pressure regulating device for regulating the output pressure.

In the present application, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure-resistant blasting test system is characterized by comprising a pressure water source device, a first explosion-proof box for accommodating a first tested piece and a second explosion-proof box for accommodating a second tested piece; the pressure water source device comprises a medium liquid tank, a first electromagnetic valve, a second electromagnetic valve, a first pneumatic pump, a second pneumatic pump, a first one-way valve and an output pipeline, wherein the input end of the first electromagnetic valve is connected with a driving air source, the input end of the second electromagnetic valve is connected with the driving air source, the output end of the first electromagnetic valve is connected with the driving input end of the first pneumatic pump, the output end of the second electromagnetic valve is connected with the driving input end of the second pneumatic pump, the liquid input ends of the first pneumatic pump and the second pneumatic pump are connected with the medium liquid tank, the liquid output end of the first pneumatic pump is connected with the output pipeline, the liquid output end of the second pneumatic pump is connected with the input end of the first one-way valve, the output end of the first one-way valve is connected with the output pipeline, and the tail end of the output pipeline is selectively connected with a first tested piece in the first explosion-proof tank and/or a second explosion-proof piece in the first explosion-proof tank And a second tested piece in the explosion box is connected, and the rated output pressure of the first pneumatic pump is greater than that of the second pneumatic pump.

2. The pressure burst test system of claim 1, wherein the pressure water source further comprises a first safety valve, an input of the first safety valve is connected to the fluid output of the second pneumatic pump, and an output of the first safety valve is connected to the medium fluid tank.

3. The pressure-resistant blasting test system according to claim 1, wherein the pressure water source device further comprises a third solenoid valve and a first pneumatic control valve, the first pneumatic control valve is arranged on the output pipeline, an input end of the third solenoid valve is connected with a control air source, and an output end of the third solenoid valve is connected with a control end of the first pneumatic control valve.

4. A pressure-resistant bursting test system according to claim 1, wherein the pressure water source device further comprises a plurality of safety pressure-relief pipelines, each safety pressure-relief pipeline comprises a fourth solenoid valve, a second pneumatic control valve and a second safety valve, an input end of the second pneumatic control valve is connected with the output pipeline, an output end of the second pneumatic control valve is connected with an input end of the second safety valve, an output end of the second safety valve is connected with the medium liquid tank, an input end of the fourth solenoid valve is connected with a control air source, and an output end of the fourth solenoid valve is connected with a control end of the second pneumatic control valve.

5. The pressure burst test system of claim 4, wherein the second safety valve in each safety relief line has a different relief threshold.

6. The pressure-resistant blasting test system according to claim 1, wherein the pressure water source device further comprises a high-pressure filter, a third pneumatic control valve, a manual pressure relief valve and a fifth electromagnetic valve, wherein the input end of the high-pressure filter is connected with the output pipeline, the output end of the high-pressure filter is connected with the input end of the third pneumatic control valve, the output end of the third pneumatic control valve is connected with the medium liquid tank, the input end of the manual pressure relief valve is connected with the output pipeline, and the output end of the manual pressure relief valve is connected with the medium liquid tank; the input end of the fifth electromagnetic valve is connected with a control air source, and the output end of the fifth electromagnetic valve is connected with the control end of the third pneumatic control valve.

7. A pressure-resistant bursting test system as claimed in claim 1, wherein the pressure water source device further comprises a sixth solenoid valve, a seventh solenoid valve and a pressure regulating valve, the input end of the sixth solenoid valve is connected with the driving output end of the first pneumatic pump, the output end of the sixth solenoid valve is connected with the input end of the pressure regulating valve, the input end of the seventh solenoid valve is connected with the driving output end of the second pneumatic pump, and the output end of the seventh solenoid valve is connected with the input end of the pressure regulating valve; the output end of the pressure regulating valve is connected with a control pipeline, and the control pipeline is used for inputting and controlling gas source gas.

8. A pressure burst test system as claimed in claim 1, wherein the pressure water source device further comprises a centrifugal pump and a second one-way valve, an input end of the centrifugal pump is connected to the medium tank, an output end of the centrifugal pump is connected to an input end of the second one-way valve, and an output end of the second one-way valve is connected to the output pipeline.

9. A pressure resistant explosion test system according to any one of claims 1 to 8, wherein the first explosion proof box comprises a frame, a first guide rail positioned at the top of the frame, a second guide rail positioned at the bottom of the frame, and a sliding door capable of sliding relative to the first guide rail and the second guide rail, wherein the extension directions of the second guide rail and the first guide rail are parallel to each other, and the projections of the second guide rail and the first guide rail on the horizontal plane are not coincident.

10. A pressure-resistant bursting test system as claimed in any one of claims 1 to 8 wherein the pressure water source device further comprises a water solenoid valve, the output of the water solenoid valve is connected to the media liquid tank, and the input of the water solenoid valve is connected to a water source.