Explosion test equipment for hydraulic pipe production and its operation method

Abstract

The present invention discloses a bursting test equipment for hydraulic pipe production, including a test box, a hydraulic cylinder, a push plate, a cover plate, a sealing sleeve, a positioning block, a pipe body, an infusion pump and a controller, characterized in that: the test box is arranged on a bracket, the hydraulic cylinder is arranged at the bottom of the test box, the push plate is arranged on a piston rod, the sealing sleeve is arranged on a connecting plate, the positioning block is arranged on a fixed plate, one end of the pipe body is inserted into the sealing sleeve, the infusion pump is arranged on the cover plate, a suction pipe and an infusion pipe are arranged on the infusion pump, and the suction pipe is connected to the side wall of the bottom of the test box, and the controller is arranged on the cover plate. The present invention is provided with a sealing gasket on the inner wall of the sealing sleeve, and the sealing gasket is used to improve the sealing between the sealing sleeve and the pipe body, so as to prevent the liquid oil in the pipe body from flowing out, improve the sealing of the hydraulic pipe during the bursting test, and enhance the accuracy of the test results.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic pipe production, in particular to a bursting test device for hydraulic pipe production and an operating method thereof. Background Art

[0002] Hydraulic hoses generally need to undergo burst tests after production, with the focus on testing their mechanical properties and pressure resistance limits to ensure that they are very reliable during use. For example, patent application number 201720358604.2 discloses a hydraulic hose burst test device, which solves the problems of low automation, low safety performance, and excessive consumption of manpower and material resources. However, it has problems such as poor sealing of hydraulic pipes during the test, a small number of hydraulic pipes tested at one time, and low accuracy of test results. Summary of the invention

[0003] The purpose of the present invention is to overcome the problems of poor sealing of hydraulic pipes during the test, a small number of hydraulic pipes tested at one time, and low accuracy of test results in existing hydraulic pipe bursting test devices, and to provide a hydraulic pipe production bursting test device and an operating method thereof which has a reasonable structural design, good sealing of hydraulic pipes during the test, a large number of hydraulic pipes tested at one time, and high accuracy of test results.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] A blasting test device for hydraulic pipe production, comprising a test box, a hydraulic cylinder, a push plate, a cover plate, a sealing sleeve, a positioning block, a pipe body, an infusion pump and a controller, characterized in that: the test box is arranged on a bracket, a partition with a horizontal structure is arranged in the test box, and a filter screen with a vertical structure is arranged between the partition and the bottom of the test box, and a sieve hole is arranged on the partition on one side of the filter screen, so that liquid oil in the test box can be filtered through the sieve hole and the filter screen and then sucked out by the infusion pump, and the liquid oil in the test box can be filtered, which is convenient for the recycling of the liquid oil and improves the utilization efficiency of the liquid oil. The hydraulic cylinder is arranged at the bottom of the test box, and the liquid A piston rod is provided on the pressure cylinder, the piston rod is vertically extended into the test box, and the piston rod is vertically passed through the partition, the push plate is provided on the piston rod, and a connecting plate is vertically provided on the push plate, the hydraulic cylinder and the piston rod push the push plate out of the test box, one end of the hydraulic pipe to be tested is inserted into the sealing sleeve, the sealing column is inserted into the pipe body, a pipe connector is provided at the other end of the pipe body, and the pipe connector is connected to the liquid pipe, the cover plate is connected to the connecting plate, during the hydraulic pipe bursting test, the cover plate covers the test box to prevent the debris generated by the explosion from popping out of the test box, thereby improving the safety performance, the sealing sleeve is provided on the connecting plate, and a sealing The sealing column is provided with a pressure sensor on the sealing column, the positioning block is provided on the fixing plate, and a liquid passage tube is provided on the positioning block, one end of the tube body is inserted into the sealing sleeve, the sealing column is inserted into the tube body, a pipe connector is provided at the other end of the tube body, and the pipe connector is connected to the liquid passage tube, the infusion pump is provided on the cover plate, a suction tube and an infusion tube are provided on the infusion pump, and the suction tube is connected to the bottom side wall of the test box, the controller is provided on the cover plate, and an operation button, a display screen, and a power cord are provided on the controller, and the power cord on the controller is connected to an external power supply to provide power for the operation of the hydraulic cylinder, the infusion pump, and the pressure sensor. The hydraulic cylinder and piston rod push the push plate out of the test box, insert one end of the hydraulic pipe to be tested into the sealing sleeve, and the sealing column is inserted into the pipe body. A pipe connector is provided at the other end of the pipe body, and the pipe connector is connected to the liquid pipe. The infusion pump sucks out the liquid oil through the suction pipe, and transports it to the inner cavity of the positioning block through the infusion pipe, and then transports it to the pipe body through the liquid pipe and the pipe connector to enhance the pressure in the pipe body and test the bearing pressure of the hydraulic pipe. The pressure sensor of the sealing column can reflect the pressure in the pipe body on the display screen on the controller through the connecting line, which is convenient for the staff to record the pressure when the hydraulic pipe bursts and improve the accuracy of the hydraulic pipe bursting test results.

[0006] Preferably, a sieve hole is provided on the partition in the test box, a baffle ring is provided on the partition, and the piston rod is vertically passed through the baffle ring, and a sieve hole is provided on the partition on one side of the filter screen, so that the liquid oil in the test box can be sucked out by the infusion pump after being filtered through the sieve hole and the filter screen, and the liquid oil in the test box can be filtered. The baffle ring facilitates the rising or falling of the piston rod, and prevents impurities generated by the explosion of the hydraulic cylinder from flowing out from between the partition and the piston rod, so that the liquid oil carrying impurities can be fully filtered through the sieve hole, which is convenient for the recycling of the liquid oil and improves the utilization efficiency of the liquid oil.

[0007] Preferably, the push plate is provided with a drainage groove which runs through the push plate from top to bottom. After the hydraulic pipe is burst, impurities generated by the pipe body fall onto the push plate, and the liquid oil in the pipe body falls through the drainage groove, so that the burst impurities fall on the push plate, which is convenient for cleaning the impurities and improves work efficiency.

[0008] Preferably, the sealing sleeve and the liquid passing tube on the positioning block are arranged as a one-to-one corresponding structure, an inner cavity is arranged in the positioning block, and the inner cavity is connected with the liquid passing tube and the liquid infusion tube, one end of the hydraulic tube to be tested is inserted into the sealing sleeve, the sealing column is inserted into the tube body, a pipe connector is arranged at the other end of the tube body, and the pipe connector is connected with the liquid passing tube, the infusion pump sucks out the liquid oil through the suction tube, transports it to the inner cavity of the positioning block through the liquid infusion tube, and transports it to the tube body through the liquid passing tube and the pipe connector, thereby enhancing the pressure in the tube body and testing the bearing pressure of the hydraulic tube, and the sealing sleeve and the liquid passing tube on the positioning block are arranged as a one-to-one corresponding structure, which is convenient for simultaneously performing blasting tests on multiple hydraulic tubes, which can not only improve the working efficiency of the hydraulic tube blasting test, but also improve the accuracy of the test results.

[0009] Preferably, a fastening ring is sleeved on the sealing sleeve, and the fastening ring and the sealing sleeve are connected by threads, one end of the tube body passes through the fastening ring and is inserted into the sealing sleeve, and the fastening ring is tightened to firmly fix one end of the tube body in the sealing sleeve, thereby improving the stability of the tube body in the sealing sleeve and further improving the accuracy of the test results.

[0010] Preferably, a sealing gasket is provided on the inner wall of the sealing sleeve, and the sealing gasket improves the sealing between the sealing sleeve and the tube body to prevent the liquid oil in the tube body from flowing out, improves the sealing of the hydraulic pipe during the blasting test, and enhances the accuracy of the test results.

[0011] Preferably, the controller is connected to the hydraulic cylinder, infusion pump and pressure sensor respectively through connecting lines, and the power line on the controller is connected to the external power supply to provide power for the operation of the hydraulic cylinder, infusion pump and pressure sensor. The hydraulic cylinder and the piston rod push the push plate out of the test box, and one end of the hydraulic pipe to be tested is inserted into the sealing sleeve, and the sealing column is inserted into the pipe body. A pipe connector is provided at the other end of the pipe body, and the pipe connector is connected to the liquid pipe. The infusion pump sucks out the liquid oil through the suction pipe, and transports it to the inner cavity of the positioning block through the infusion pipe, and transports it to the pipe body through the liquid pipe and the pipe connector, thereby enhancing the pressure in the pipe body and testing the bearing pressure of the hydraulic pipe. The pressure sensor of the sealing column can reflect the pressure in the pipe body through the connecting line on the display screen on the controller, so that the staff can record the pressure when the hydraulic pipe is bursting, thereby improving the accuracy of the test results of the hydraulic pipe bursting.

[0012] An operating method for a bursting test device for hydraulic pipe production, characterized in that the operating method comprises the following steps:

[0013] First: Check whether the circuit of the explosion test equipment used in the production of hydraulic pipes is normal, and whether the hydraulic cylinder and infusion pump can work normally;

[0014] Second: inject liquid oil into the test box, start the hydraulic cylinder through the controller, the hydraulic cylinder and piston rod push the push plate out of the test box, insert one end of the hydraulic pipe to be tested into the sealing sleeve, insert the sealing column into the pipe body, set a pipe connector at the other end of the pipe body, and connect the pipe connector to the liquid pipe, start the hydraulic cylinder, the hydraulic cylinder and piston rod pull the push plate into the test box, and cover the top of the test box with a cover plate;

[0015] Third: Start the infusion pump through the controller. The infusion pump sucks out the liquid oil through the suction tube, transports it to the inner cavity of the positioning block through the infusion tube, and transports it to the pipe body through the liquid pipe and the pipe connector to enhance the pressure in the pipe body and test the bearing pressure of the hydraulic pipe. The pressure sensor of the sealing column can reflect the pressure in the pipe body on the display screen of the controller through the connecting line, which is convenient for the staff to record the pressure when the hydraulic pipe bursts;

[0016] Fourth: After the hydraulic pipe bursts, start the hydraulic cylinder, and the hydraulic cylinder and piston rod push the push plate out of the test box, clean up the residues of the hydraulic pipe burst on the push plate, and place the new pipe body between the sealing sleeve and the liquid pipe to conduct the burst test again;

[0017] Fifth: After the hydraulic pipe bursting test is completed, turn off the infusion pump and hydraulic cylinder, clean up the impurities generated during the hydraulic pipe bursting test, and cut off the power supply.

[0018] Beneficial effect: The sealing sleeve of the present invention and the liquid passing tube on the positioning block are arranged in a one-to-one corresponding structure, an inner cavity is arranged in the positioning block, and the inner cavity is connected with the liquid passing tube and the liquid infusion tube, one end of the hydraulic tube to be tested is inserted into the sealing sleeve, the sealing column is inserted into the tube body, a pipe connector is arranged at the other end of the tube body, and the pipe connector is connected with the liquid passing tube, the infusion pump sucks out the liquid oil through the suction tube, transports it to the inner cavity of the positioning block through the liquid infusion tube, and transports it to the tube body through the liquid passing tube and the pipe connector, thereby enhancing the pressure in the tube body and testing the bearing pressure of the hydraulic tube, and the sealing sleeve and the liquid passing tube on the positioning block are arranged in a one-to-one corresponding structure, which is convenient for simultaneously performing blasting tests on multiple hydraulic tubes, which can not only improve the working efficiency of the hydraulic tube blasting test, but also improve the accuracy of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the push plate and the drain trough.

[0021] Figure 3 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the push plate and the connecting plate.

[0022] Figure 4 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the sealing sleeve and the sealing column.

[0023] Figure 5 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the positioning block and the inner cavity.

[0024] Figure 6 It is a partial structural schematic diagram of the present invention, illustrating the connection structure between the partition plate and the sieve hole.

[0025] Figure 7 It is another schematic diagram of the implementation structure of the present invention.

[0026] In the figure: 1. test box, 2. hydraulic cylinder, 3. push plate, 4. cover plate, 5. sealing sleeve, 6. positioning block, 7. tube body, 8. infusion pump, 9. controller, 10. bracket, 11. partition, 12. filter screen, 13. sieve hole, 14. piston rod, 15. retaining ring, 16. connecting plate, 17. drain trough, 18. fastening ring, 19. sealing column, 20. sealing gasket, 21. pressure sensor, 22. liquid pipe, 23. inner cavity, 24. pipe connector, 25. suction tube, 26. infusion tube, 27. operation button, 28. display screen, 29. power cord, 30. connecting line, 31. gear lever, 32. buffer pad. DETAILED DESCRIPTION

[0027] The present invention will be described in more detail below with reference to the accompanying drawings.

[0028] Embodiment 1:

[0029] As attached Figure 1-6As shown, a bursting test equipment for hydraulic pipe production includes a test box 1, a hydraulic cylinder 2, a push plate 3, a cover plate 4, a sealing sleeve 5, a positioning block 6, a pipe body 7, an infusion pump 8 and a controller 9, characterized in that: the test box 1 is arranged on a bracket 10, a partition 11 with a horizontal structure is arranged in the test box 1, and a filter screen 12 with a vertical structure is arranged between the partition 11 and the bottom of the test box 1, and a sieve hole 13 is arranged on the partition 11 on one side of the filter screen 12, so that the liquid oil in the test box 1 can be filtered through the sieve hole 13 and the filter screen 12 and then sucked out by the infusion pump 8, and the liquid oil in the test box 1 can be filtered, which is convenient for the recycling of the liquid oil and improves the utilization efficiency of the liquid oil. The hydraulic cylinder 2 is arranged in the test box 1 At the bottom, a piston rod 14 is arranged on the hydraulic cylinder 2, and the piston rod 14 is vertically extended into the test box 1, and the piston rod 14 is vertically passed through the partition 11, the push plate 3 is arranged on the piston rod 14, and a connecting plate 16 is vertically arranged on the push plate 3, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, and one end of the hydraulic pipe to be tested is inserted into the sealing sleeve 5, and the sealing column 19 is inserted into the pipe body 7, and a pipe connector 24 is arranged at the other end of the pipe body 7, and the pipe connector 24 is connected to the liquid pipe 22, and the cover plate 4 is connected to the connecting plate 16. During the hydraulic pipe bursting test, the cover plate 4 covers the test box 1 to prevent the debris generated by the bursting from popping out of the test box 1, thereby improving the safety performance, and the sealing sleeve 5 is arranged on the connecting plate 1 6, a sealing column 19 is arranged in the sealing sleeve 5, and a pressure sensor 21 is arranged on the sealing column 19, the positioning block 6 is arranged on the fixing plate, and a liquid passage 22 is arranged on the positioning block 6, one end of the tube body 7 is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the tube body 7, a pipe connector 24 is arranged at the other end of the tube body 7, and the pipe connector 24 is connected to the liquid passage 22, the infusion pump 8 is arranged on the cover plate 4, a liquid suction tube 25 and a liquid infusion tube 26 are arranged on the infusion pump 8, and the liquid suction tube 25 is connected to the bottom side wall of the test box 1, the controller 9 is arranged on the cover plate 4, and an operation button 27, a display screen 28, and a power cord 29 are arranged on the controller 9, and the power cord 29 on the controller 9 is connected to an external power supply The hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21 can provide power for the operation. The hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, and insert one end of the hydraulic pipe to be tested into the sealing sleeve 5. The sealing column 19 is inserted into the pipe body 7. A pipe connector 24 is provided at the other end of the pipe body 7, and the pipe connector 24 is connected to the liquid pipe 22. The infusion pump 8 sucks out the liquid oil through the suction pipe 25, and transports it to the inner cavity 23 of the positioning block 6 through the infusion pipe 26, and transports it to the pipe body 7 through the liquid pipe 22 and the pipe connector 24, so as to enhance the pressure in the pipe body 7 and test the bearing pressure of the hydraulic pipe. The pressure sensor 21 of the sealing column 19 can reflect the pressure in the pipe body 7 on the display screen 28 on the controller 9 through the connecting line 30.It is convenient for the staff to record the pressure when the hydraulic pipe bursts, and improve the accuracy of the hydraulic pipe bursting test results.

[0030] Preferably, a sieve hole 13 is provided on the partition 11 in the test box 1, a baffle ring 15 is provided on the partition 11, and the piston rod 14 is vertically passed through the baffle ring 15, and a sieve hole 13 is provided on the partition 11 on one side of the filter screen 12, so that the liquid oil in the test box 1 can be sucked out by the infusion pump 8 after being filtered through the sieve hole 13 and the filter screen 12, and the liquid oil in the test box 1 can be filtered. The baffle ring 15 facilitates the ascent or descent of the piston rod 14, and prevents impurities generated by the explosion of the hydraulic cylinder 2 from flowing out from between the partition 11 and the piston rod 14, so that the liquid oil carrying impurities can be fully filtered through the sieve hole 13, which is convenient for the recycling of the liquid oil and improves the utilization efficiency of the liquid oil.

[0031] Preferably, the push plate 3 is provided with a drainage groove 17 which runs through the push plate 3 from top to bottom. After the hydraulic pipe is exploded, impurities generated by the pipe body 7 fall onto the push plate 3, and the liquid oil in the pipe body 7 falls through the drainage groove 17, so that the exploded impurities fall onto the push plate 3, which is convenient for cleaning the impurities and improves work efficiency.

[0032] Preferably, the sealing sleeve 5 and the liquid passing tube 22 on the positioning block 6 are set to a one-to-one corresponding structure, an inner cavity 23 is set in the positioning block 6, and the inner cavity 23 is connected with the liquid passing tube 22 and the infusion tube 26, one end of the hydraulic pipe to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the tube body 7, a pipe connector 24 is set at the other end of the tube body 7, and the pipe connector 24 is connected to the liquid passing tube 22, the infusion pump 8 sucks out the liquid oil through the suction tube 25, transports it to the inner cavity 23 of the positioning block 6 through the infusion tube 26, and transports it to the tube body 7 through the liquid passing tube 22 and the pipe connector 24, thereby enhancing the pressure in the tube body 7 and testing the bearing pressure of the hydraulic pipe. The sealing sleeve 5 and the liquid passing tube 22 on the positioning block 6 are set to a one-to-one corresponding structure, which is convenient for simultaneously performing blasting tests on multiple hydraulic pipes, which can not only improve the working efficiency of the hydraulic pipe blasting test, but also improve the accuracy of the test results.

[0033] Preferably, a fastening ring 18 is sleeved on the sealing sleeve 5, and the fastening ring 18 and the sealing sleeve 5 are connected by threads, one end of the tube body 7 passes through the fastening ring 18 and is inserted into the sealing sleeve 5, and the fastening ring 18 is tightened to make one end of the tube body 7 firmly fixed in the sealing sleeve 5, thereby improving the stability of the tube body 7 in the sealing sleeve 5, thereby improving the accuracy of the test results.

[0034] Preferably, a sealing gasket 20 is provided on the inner wall of the sealing sleeve 5, and the sealing gasket 20 improves the sealing between the sealing sleeve 5 and the tube body 7, prevents the liquid oil in the tube body 7 from flowing out, improves the sealing of the hydraulic pipe during the blasting test, and enhances the accuracy of the test results.

[0035] Preferably, the controller 9 is connected to the hydraulic cylinder 2, the infusion pump 8, and the pressure sensor 21 through the connecting wires 30, respectively. The power line 29 on the controller 9 is connected to the external power supply, which can provide power for the operation of the hydraulic cylinder 2, the infusion pump 8, and the pressure sensor 21. The hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, insert one end of the hydraulic pipe to be tested into the sealing sleeve 5, and the sealing column 19 is inserted into the pipe body 7. A pipe connector 24 is provided at the other end of the pipe body 7, and the pipe connector 24 is connected to the liquid pipe 2. 2 connection, the infusion pump 8 sucks out the liquid oil through the suction tube 25, transports it to the inner cavity 23 of the positioning block 6 through the infusion tube 26, and transports it to the tube body 7 through the liquid tube 22 and the pipe connector 24, thereby increasing the pressure in the tube body 7 and testing the bearing pressure of the hydraulic pipe. The pressure sensor 21 of the sealing column 19 can reflect the pressure in the tube body 7 on the display screen 28 on the controller 9 through the connecting line 30, so that the staff can record the pressure when the hydraulic pipe is bursting, thereby improving the accuracy of the hydraulic pipe bursting test results.

[0036] An operating method for a bursting test device for hydraulic pipe production, characterized in that the operating method comprises the following steps:

[0037] First: Check whether the circuit of the explosion test equipment for hydraulic pipe production is normal, and whether the hydraulic cylinder 2 and the infusion pump 8 can work normally;

[0038] Second: inject liquid oil into the test box 1, start the hydraulic cylinder 2 through the controller 9, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, insert one end of the hydraulic pipe to be tested into the sealing sleeve 5, insert the sealing column 19 into the tube body 7, and set a pipe connector 24 at the other end of the tube body 7, and connect the pipe connector 24 with the liquid pipe 22, start the hydraulic cylinder 2, and the hydraulic cylinder 2 and the piston rod 14 pull the push plate 3 into the test box 1, and the cover plate 4 covers the top of the test box 1;

[0039] Third: Start the infusion pump 8 through the controller 9, and the infusion pump 8 sucks out the liquid oil through the suction tube 25, and delivers it to the inner cavity 23 of the positioning block 6 through the infusion tube 26, and delivers it to the tube body 7 through the liquid tube 22 and the pipe connector 24, so as to enhance the pressure in the tube body 7 and test the bearing pressure of the hydraulic pipe. The pressure sensor 21 of the sealing column 19 can reflect the pressure in the tube body 7 through the connecting line 30 on the display screen 28 on the controller 9, so that the staff can record the pressure when the hydraulic pipe bursts;

[0040] Fourth: after the hydraulic pipe is exploded, the hydraulic cylinder 2 is started, and the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, and the residues of the hydraulic pipe after the explosion on the push plate 3 are cleaned off, and a new pipe body 7 is placed between the sealing sleeve 5 and the liquid pipe 22 to perform the explosion test again;

[0041] Fifth: After the hydraulic pipe bursting test is completed, turn off the infusion pump 8 and the hydraulic cylinder 2, clean up the impurities generated during the hydraulic pipe bursting test, and cut off the power supply.

[0042] Embodiment 2:

[0043] As attached Figure 7As shown, a bursting test equipment for hydraulic pipe production includes a test box 1, a hydraulic cylinder 2, a push plate 3, a cover plate 4, a sealing sleeve 5, a positioning block 6, a pipe body 7, an infusion pump 8 and a controller 9, characterized in that: the test box 1 is arranged on a bracket 10, a partition 11 with a horizontal structure is arranged in the test box 1, and a filter screen 12 with a vertical structure is arranged between the partition 11 and the bottom of the test box 1, and a sieve hole 13 is arranged on the partition 11 on one side of the filter screen 12, so that the liquid oil in the test box 1 can be filtered through the sieve hole 13 and the filter screen 12 and then sucked out by the infusion pump 8, and the liquid oil in the test box 1 can be filtered, which is convenient for the recycling of the liquid oil and improves the utilization efficiency of the liquid oil. The hydraulic cylinder 2 is arranged in the test box 1 At the bottom, a piston rod 14 is arranged on the hydraulic cylinder 2, and the piston rod 14 is vertically extended into the test box 1, and the piston rod 14 is vertically passed through the partition 11, the push plate 3 is arranged on the piston rod 14, and a connecting plate 16 is vertically arranged on the push plate 3, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, and one end of the hydraulic pipe to be tested is inserted into the sealing sleeve 5, and the sealing column 19 is inserted into the pipe body 7, and a pipe connector 24 is arranged at the other end of the pipe body 7, and the pipe connector 24 is connected to the liquid pipe 22, and the cover plate 4 is connected to the connecting plate 16. During the hydraulic pipe bursting test, the cover plate 4 covers the test box 1 to prevent the debris generated by the bursting from popping out of the test box 1, thereby improving the safety performance, and the sealing sleeve 5 is arranged on the connecting plate 1 6, a sealing column 19 is arranged in the sealing sleeve 5, and a pressure sensor 21 is arranged on the sealing column 19, the positioning block 6 is arranged on the fixing plate, and a liquid passage 22 is arranged on the positioning block 6, one end of the tube body 7 is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the tube body 7, a pipe connector 24 is arranged at the other end of the tube body 7, and the pipe connector 24 is connected to the liquid passage 22, the infusion pump 8 is arranged on the cover plate 4, a liquid suction tube 25 and a liquid infusion tube 26 are arranged on the infusion pump 8, and the liquid suction tube 25 is connected to the bottom side wall of the test box 1, the controller 9 is arranged on the cover plate 4, and an operation button 27, a display screen 28, and a power cord 29 are arranged on the controller 9, and the power cord 29 on the controller 9 is connected to an external power supply The hydraulic cylinder 2, the infusion pump 8 and the pressure sensor 21 can provide power for the operation. The hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, and insert one end of the hydraulic pipe to be tested into the sealing sleeve 5. The sealing column 19 is inserted into the pipe body 7. A pipe connector 24 is provided at the other end of the pipe body 7, and the pipe connector 24 is connected to the liquid pipe 22. The infusion pump 8 sucks out the liquid oil through the suction pipe 25, and transports it to the inner cavity 23 of the positioning block 6 through the infusion pipe 26, and transports it to the pipe body 7 through the liquid pipe 22 and the pipe connector 24, so as to enhance the pressure in the pipe body 7 and test the bearing pressure of the hydraulic pipe. The pressure sensor 21 of the sealing column 19 can reflect the pressure in the pipe body 7 on the display screen 28 on the controller 9 through the connecting line 30.It is convenient for the staff to record the pressure when the hydraulic pipe bursts, and improve the accuracy of the hydraulic pipe bursting test results.

[0044] Preferably, a sieve hole 13 is provided on the partition 11 in the test box 1, a baffle ring 15 is provided on the partition 11, and the piston rod 14 is vertically passed through the baffle ring 15, and a sieve hole 13 is provided on the partition 11 on one side of the filter screen 12, so that the liquid oil in the test box 1 can be sucked out by the infusion pump 8 after being filtered through the sieve hole 13 and the filter screen 12, and the liquid oil in the test box 1 can be filtered. The baffle ring 15 facilitates the ascent or descent of the piston rod 14, and prevents impurities generated by the explosion of the hydraulic cylinder 2 from flowing out from between the partition 11 and the piston rod 14, so that the liquid oil carrying impurities can be fully filtered through the sieve hole 13, which is convenient for the recycling of the liquid oil and improves the utilization efficiency of the liquid oil.

[0045] Preferably, the push plate 3 is provided with a drainage groove 17 which runs through the push plate 3 from top to bottom. After the hydraulic pipe is exploded, impurities generated by the pipe body 7 fall onto the push plate 3, and the liquid oil in the pipe body 7 falls through the drainage groove 17, so that the exploded impurities fall onto the push plate 3, which is convenient for cleaning the impurities and improves work efficiency.

[0046] Preferably, the sealing sleeve 5 and the liquid passing tube 22 on the positioning block 6 are set to a one-to-one corresponding structure, an inner cavity 23 is set in the positioning block 6, and the inner cavity 23 is connected with the liquid passing tube 22 and the infusion tube 26, one end of the hydraulic pipe to be tested is inserted into the sealing sleeve 5, the sealing column 19 is inserted into the tube body 7, a pipe connector 24 is set at the other end of the tube body 7, and the pipe connector 24 is connected to the liquid passing tube 22, the infusion pump 8 sucks out the liquid oil through the suction tube 25, transports it to the inner cavity 23 of the positioning block 6 through the infusion tube 26, and transports it to the tube body 7 through the liquid passing tube 22 and the pipe connector 24, thereby enhancing the pressure in the tube body 7 and testing the bearing pressure of the hydraulic pipe. The sealing sleeve 5 and the liquid passing tube 22 on the positioning block 6 are set to a one-to-one corresponding structure, which is convenient for simultaneously performing blasting tests on multiple hydraulic pipes, which can not only improve the working efficiency of the hydraulic pipe blasting test, but also improve the accuracy of the test results.

[0047] Preferably, a fastening ring 18 is sleeved on the sealing sleeve 5, and the fastening ring 18 and the sealing sleeve 5 are connected by threads, one end of the tube body 7 passes through the fastening ring 18 and is inserted into the sealing sleeve 5, and the fastening ring 18 is tightened to make one end of the tube body 7 firmly fixed in the sealing sleeve 5, thereby improving the stability of the tube body 7 in the sealing sleeve 5, thereby improving the accuracy of the test results.

[0048] Preferably, a sealing gasket 20 is provided on the inner wall of the sealing sleeve 5, and the sealing gasket 20 improves the sealing between the sealing sleeve 5 and the tube body 7, prevents the liquid oil in the tube body 7 from flowing out, improves the sealing of the hydraulic pipe during the blasting test, and enhances the accuracy of the test results.

[0049] Preferably, the controller 9 is connected to the hydraulic cylinder 2, the infusion pump 8, and the pressure sensor 21 through the connecting wires 30, respectively. The power line 29 on the controller 9 is connected to the external power supply, which can provide power for the operation of the hydraulic cylinder 2, the infusion pump 8, and the pressure sensor 21. The hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, insert one end of the hydraulic pipe to be tested into the sealing sleeve 5, and the sealing column 19 is inserted into the pipe body 7. A pipe connector 24 is provided at the other end of the pipe body 7, and the pipe connector 24 is connected to the liquid pipe 2. 2 connection, the infusion pump 8 sucks out the liquid oil through the suction tube 25, transports it to the inner cavity 23 of the positioning block 6 through the infusion tube 26, and transports it to the tube body 7 through the liquid tube 22 and the pipe connector 24, thereby increasing the pressure in the tube body 7 and testing the bearing pressure of the hydraulic pipe. The pressure sensor 21 of the sealing column 19 can reflect the pressure in the tube body 7 on the display screen 28 on the controller 9 through the connecting line 30, so that the staff can record the pressure when the hydraulic pipe is bursting, thereby improving the accuracy of the hydraulic pipe bursting test results.

[0050] Preferably, a shift rod 31 is vertically arranged on the push plate 3, so that the tube body 7 is placed between the shift rods 31 and the shift rods 31. During the hydraulic pipe blasting process, the shift rod 31 blocks the blasted hydraulic pipe, preventing impurities in the hydraulic cylinder 2 from bouncing up randomly after the blasting, thereby improving safety performance.

[0051] Preferably, a buffer pad 32 is provided on the cover plate 4, and the buffer pad 32 can buffer the impurities generated by the explosion of the hydraulic pipe, reduce the impact force of the impurities, and further improve the safety performance.

[0052] An operating method for a bursting test device for hydraulic pipe production, characterized in that the operating method comprises the following steps:

[0053] First: Check whether the circuit of the explosion test equipment for hydraulic pipe production is normal, and whether the hydraulic cylinder 2 and the infusion pump 8 can work normally;

[0054] Second: inject liquid oil into the test box 1, start the hydraulic cylinder 2 through the controller 9, the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, insert one end of the hydraulic pipe to be tested into the sealing sleeve 5, insert the sealing column 19 into the tube body 7, and set a pipe connector 24 at the other end of the tube body 7, and connect the pipe connector 24 with the liquid pipe 22, start the hydraulic cylinder 2, and the hydraulic cylinder 2 and the piston rod 14 pull the push plate 3 into the test box 1, and the cover plate 4 covers the top of the test box 1;

[0055] Third: Start the infusion pump 8 through the controller 9, and the infusion pump 8 sucks out the liquid oil through the suction tube 25, and delivers it to the inner cavity 23 of the positioning block 6 through the infusion tube 26, and delivers it to the tube body 7 through the liquid tube 22 and the pipe connector 24, so as to enhance the pressure in the tube body 7 and test the bearing pressure of the hydraulic pipe. The pressure sensor 21 of the sealing column 19 can reflect the pressure in the tube body 7 through the connecting line 30 on the display screen 28 on the controller 9, so that the staff can record the pressure when the hydraulic pipe bursts;

[0056] Fourth: after the hydraulic pipe is exploded, the hydraulic cylinder 2 is started, and the hydraulic cylinder 2 and the piston rod 14 push the push plate 3 out of the test box 1, and the residues of the hydraulic pipe after the explosion on the push plate 3 are cleaned off, and a new pipe body 7 is placed between the sealing sleeve 5 and the liquid pipe 22 to perform the explosion test again;

[0057] Fifth: After the hydraulic pipe bursting test is completed, turn off the infusion pump 8 and the hydraulic cylinder 2, clean up the impurities generated during the hydraulic pipe bursting test, and cut off the power supply.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0059] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0060] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.

Claims

1. A bursting test equipment for hydraulic pipe production, comprising a test box, a hydraulic cylinder, a push plate, a cover plate, a sealing sleeve, a positioning block, a pipe body, an infusion pump and a controller, characterized in that: The test box is arranged on a bracket, a partition with a horizontal structure is arranged in the test box, and a filter screen with a vertical structure is arranged between the partition and the bottom of the test box, the hydraulic cylinder is arranged at the bottom of the test box, a piston rod is arranged on the hydraulic cylinder, the piston rod is vertically extended into the test box, and the piston rod is vertically passed through the partition, the push plate is arranged on the piston rod, and a connecting plate is vertically arranged on the push plate, the cover plate is connected to the connecting plate, the sealing sleeve is arranged on the connecting plate, a sealing column is arranged in the sealing sleeve, and a pressure sensor is arranged on the sealing column, the positioning block is arranged on the fixed plate, and a liquid pipe is arranged on the positioning block, One end of the tube body is inserted into the sealing sleeve, and the sealing column is inserted into the tube body. A pipe connector is arranged at the other end of the tube body, and the pipe connector is connected to the liquid passing tube. The infusion pump is arranged on the cover plate, and a suction tube and an infusion tube are arranged on the infusion pump, and the suction tube is connected to the bottom side wall of the test box. The controller is arranged on the cover plate, and operation buttons, a display screen, and a power cord are arranged on the controller. Sieve holes are arranged on the partition in the test box, a baffle ring is arranged on the partition, and the piston rod is vertically passed through the baffle ring. The sealing sleeve and the liquid passing tube on the positioning block are arranged in a one-to-one corresponding structure, an inner cavity is arranged in the positioning block, and the inner cavity is connected to the liquid passing tube and the infusion tube. A sealing pad is arranged on the inner wall of the sealing sleeve, and a drainage groove that runs through the push plate up and down is arranged on the push plate.

2. The explosion test equipment for hydraulic pipe production according to claim 1, characterized in that: The sealing sleeve is sleeved with a fastening ring.

3. The explosion test equipment for hydraulic pipe production according to claim 1, characterized in that: The controller is connected to the hydraulic cylinder, the infusion pump and the pressure sensor respectively through connecting lines.

4. An operating method for the bursting test equipment for hydraulic pipe production according to claim 1, characterized in that: The operation method comprises the following steps: First: Check whether the circuit of the explosion test equipment used in the production of hydraulic pipes is normal, and whether the hydraulic cylinder and infusion pump can work normally; Second: inject liquid oil into the test box, start the hydraulic cylinder through the controller, the hydraulic cylinder and piston rod push the push plate out of the test box, insert one end of the hydraulic pipe to be tested into the sealing sleeve, insert the sealing column into the pipe body, set a pipe connector at the other end of the pipe body, and connect the pipe connector to the liquid pipe, start the hydraulic cylinder, the hydraulic cylinder and piston rod pull the push plate into the test box, and cover the top of the test box with a cover plate; Third: Start the infusion pump through the controller. The infusion pump sucks out the liquid oil through the suction tube, transports it to the inner cavity of the positioning block through the infusion tube, and transports it to the pipe body through the liquid pipe and the pipe connector to enhance the pressure in the pipe body and test the bearing pressure of the hydraulic pipe. The pressure sensor of the sealing column can reflect the pressure in the pipe body on the display screen of the controller through the connecting line, which is convenient for the staff to record the pressure when the hydraulic pipe bursts; Fourth: After the hydraulic pipe bursts, start the hydraulic cylinder, and the hydraulic cylinder and piston rod push the push plate out of the test box, clean up the residues of the hydraulic pipe burst on the push plate, and place the new pipe body between the sealing sleeve and the liquid pipe to conduct the burst test again; Fifth: After the hydraulic pipe bursting test is completed, turn off the infusion pump and hydraulic cylinder, clean up the impurities generated during the hydraulic pipe bursting test, and cut off the power supply.

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