Mechanical seal and reciprocating compressor air valve comprehensive pressure test platform

Abstract

The utility model relates to the technical field of sealing test, in particular to a comprehensive pressure test platform for a mechanical seal and a reciprocating compressor air valve, which is characterized in that the reciprocating compressor air valve is placed in an air pressure detection mechanism, then nitrogen is discharged into the air pressure detection mechanism, and the airtight effect of the reciprocating compressor air valve is tested. The mechanical seal is placed in the air pressure detection mechanism, the oil tightness of the mechanical seal is tested through mutual cooperation of the air pressure detection mechanism and the oil pressure detection mechanism, and a dynamic ring and a static ring of the mechanical seal are placed in the water pressure detection mechanism. The water pressure detection mechanism and the oil pressure detection mechanism are matched with each other to test the sealing effect of the dynamic and static rings of the mechanical seal, so that the practicability of equipment is improved; comprising a workbench; the device further comprises an air pressure detection mechanism, an oil pressure detection mechanism and a water pressure detection mechanism which are all installed on the workbench.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing test, in particular to a comprehensive pressure testing platform for mechanical seals and reciprocating compressor valves. Background Art

[0002] A mechanical seal is a device used to prevent fluid or gas leakage and is commonly used in industrial equipment and machinery; the gas valve in a reciprocating compressor is a key component responsible for controlling the flow of gas in and out of the compressor.

[0003] Mechanical seals and reciprocating compressor valves need to be tested for sealing after production. Generally, mechanical seals and reciprocating compressor valves are tested through an O-ring online quality inspection platform based on visual inspection, such as the utility model patent with publication number CN206258398U, and a piston compressor valve air tightness detection device disclosed in the utility model patent with publication number CN213422559U.

[0004] However, it was found during use that the existing testing equipment has a relatively simple structure and a relatively single function. It is difficult to test both the mechanical seal and the reciprocating compressor valve, and the test effect is poor. Therefore, a comprehensive pressure test platform for mechanical seals and reciprocating compressor valves is urgently needed to improve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a comprehensive pressure test platform for mechanical seals and reciprocating compressor valves, which improves the practicability of the equipment and is equipped with a mechanical seal and a static and dynamic ring of the mechanical seal. The platform is equipped with a pressure test mechanism, and nitrogen is discharged into the pressure test mechanism to test the air tightness of the reciprocating compressor valve. The mechanical seal is placed in the pressure test mechanism, and the oil tightness of the mechanical seal is tested by the cooperation between the pressure test mechanism and the oil pressure test mechanism. The dynamic and static rings of the mechanical seal are placed in the water pressure test mechanism, and the sealing effect of the dynamic and static rings of the mechanical seal is tested by the cooperation between the water pressure test mechanism and the oil pressure test mechanism, thereby improving the practicability of the equipment.

[0006] The utility model provides a comprehensive pressure test platform for mechanical seals and reciprocating compressor valves, comprising a workbench; an air pressure detection mechanism, an oil pressure detection mechanism and a water pressure detection mechanism, all of which are installed on the workbench;

[0007] The air pressure detection mechanism tests the air tightness of the reciprocating compressor air valve, the oil pressure detection mechanism tests the oil tightness of the mechanical seal, and the water pressure detection mechanism tests the sealing effect of the dynamic and static rings of the mechanical seal;

[0008] Place the reciprocating compressor valve into the air pressure detection mechanism, and then discharge nitrogen into the air pressure detection mechanism to test the airtightness of the reciprocating compressor valve. Place the mechanical seal in the air pressure detection mechanism, and test the oil tightness of the mechanical seal through the cooperation of the air pressure detection mechanism and the oil pressure detection mechanism. Place the dynamic and static rings of the mechanical seal in the water pressure detection mechanism, and test the sealing effect of the dynamic and static rings of the mechanical seal through the cooperation of the water pressure detection mechanism and the oil pressure detection mechanism, thereby improving the practicability of the equipment.

[0009] Preferably, the air pressure detection mechanism includes a lifting mechanism, a fixed chuck, a sealed chamber, a nitrogen pressure reducing valve, a nitrogen interface, a nitrogen pipe and a first pressure gauge, the lifting mechanism is installed at the bottom of the workbench, the fixed chuck is installed at the top of the workbench, the sealed chamber is installed on the lifting mechanism, and a pressure relief valve is provided on the sealed chamber, a connecting plate is provided on the top of the sealed chamber, the nitrogen pressure reducing valve and the first pressure gauge are both installed on the workbench, the nitrogen interface is installed on the nitrogen pressure reducing valve, and the nitrogen pressure reducing valve is communicated with the interior of the sealed chamber through the nitrogen pipe, and the bottom end of the first pressure gauge is communicated with the interior of the nitrogen pipe; connect the nitrogen to the The port is connected to the air source, the spring side of the reciprocating compressor air valve is installed on the connecting plate downward, the sealed chamber is raised by the lifting mechanism, so that the sealed chamber cooperates with the fixed chuck to clamp the compound compressor air valve, the nitrogen pressure reducing valve is opened, and nitrogen is discharged into the sealed chamber through the nitrogen pipe, and then the nitrogen pressure reducing valve is closed, so that the sealed chamber cooperates with the compound compressor air valve to maintain pressure, and at the same time, the air pressure change in the sealed chamber is judged by observing the first pressure gauge to judge whether the air tightness of the compound compressor air valve is qualified. After the test is completed, the pressure relief valve is opened to relieve the pressure inside the sealed chamber, thereby improving the practicability of the equipment.

[0010] Preferably, the lifting mechanism includes a lifting oil pump, an oil pipe and a lifting oil cylinder. The lifting oil pump is installed on the top of the workbench, and an oil pressure gauge is provided on the lifting oil pump. The first oil tank and the lifting oil cylinder are installed at the bottom of the workbench. The lifting oil pump is communicated with the interior of the first oil tank. The lifting oil cylinder is communicated with the interior of the lifting oil pump through the oil pipe. The sealed chamber is installed at the top of the lifting oil cylinder. The staff presses the lifting oil pump to make the lifting oil cylinder adjust the height of the sealed chamber, thereby improving the practicability of the equipment.

[0011] Preferably, the fixed chuck includes a flange, multiple groups of support columns and multiple groups of limit blocks, the flange is fixedly installed on the top of the workbench, the bottom ends of the multiple groups of support columns are rotatably installed on the flange, and the multiple groups of limit blocks are slidably installed on the multiple groups of support columns respectively; the angles of the multiple groups of limit blocks are adjusted by rotating the multiple groups of support columns, and then the multiple groups of limit blocks are slid to block the top of the compound compressor air valve, and then the sealing chamber is raised by the jacking cylinder, and the compound compressor air valve is squeezed by the sealing chamber in cooperation with the multiple groups of limit blocks to clamp the compound compressor air valve, thereby improving the practicability of the equipment.

[0012] Preferably, the oil pressure detection mechanism includes a second oil tank, a white oil pipe, a second pressure gauge and a pressure pump. The pressure pump is installed on the top of the workbench, the second oil tank is installed on the bottom of the workbench, and the pressure pump is communicated with the interior of the second oil tank, the sealed chamber is communicated with the interior of the pressure pump through the white oil pipe, the second pressure gauge is installed on the workbench, and the bottom end of the second pressure gauge is communicated with the interior of the white oil pipe; by rotating multiple groups of support columns, the angles of multiple groups of limit blocks are adjusted so that the multiple groups of limit blocks block the top of the mechanical seal, and then the sealed chamber is raised by the jacking cylinder, and the mechanical seal is clamped by the sealing chamber and the multiple groups of limit blocks, and then the staff presses the pressure pump to discharge the white oil in the second oil tank into the sealed chamber, and then by observing the second pressure gauge, the pressure change in the sealed chamber is judged, and the oil-tight effect of the mechanical seal is judged, thereby improving the practicability of the equipment.

[0013] Preferably, the water pressure detection mechanism includes a lower flange plate of a machine seal, an upper flange plate of a machine seal, fastening bolts, a water pipe, a liquid replenishing valve and a third pressure gauge. The lower flange plate of the machine seal is installed on the top of the workbench, and the upper flange plate of the machine seal is installed on the top of the lower flange plate of the machine seal by fastening bolts. One end of the water pipe is communicated with the interior of the lower flange plate of the machine seal, and the other end of the water pipe is communicated with the interior of the pressure pump. The liquid replenishing valve and the third pressure gauge are both installed on the water pipe; the dynamic and static sealing rings of the mechanical seal are respectively installed on the lower flange plate of the machine seal and the upper flange plate of the machine seal, and then the upper flange plate of the machine seal is installed on the lower flange plate of the machine seal by fastening bolts. On the flange, make the dynamic and static sealing rings close together, and then discharge water into the pressure pump. The staff presses the pressure pump to make the water pass through the water pipe, the liquid replenishing valve and the third pressure gauge in sequence, and then discharge the water into the flange under the machine seal to discharge the air in the flange under the machine seal. Then, the pressure pump continues to discharge water into the flange under the machine seal to make the inside of the flange under the machine seal reach the rated pressure, and then close the liquid replenishing valve. The staff judges the water pressure changes in the flange under the machine seal and the sealing effect of the dynamic and static sealing rings of the mechanical seal by observing the third pressure gauge, thereby improving the practicability of the equipment.

[0014] Preferably, a drain valve is provided on the upper flange of the mechanical seal; when water is discharged into the lower flange of the mechanical seal, the drain valve is opened to discharge the air in the lower flange of the mechanical seal, and after the water in the lower flange of the mechanical seal is full, the drain valve is closed, and water is continued to be discharged into the lower flange of the mechanical seal to continue to pressurize the interior of the lower flange of the mechanical seal, thereby improving the practicability of the equipment.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the air valve of the reciprocating compressor is placed in the air pressure detection mechanism, and then nitrogen is discharged into the air pressure detection mechanism to test the airtightness of the air valve of the reciprocating compressor; the mechanical seal is placed in the air pressure detection mechanism, and the oil tightness of the mechanical seal is tested by the cooperation between the air pressure detection mechanism and the oil pressure detection mechanism; the dynamic and static rings of the mechanical seal are placed in the water pressure detection mechanism, and the sealing effect of the dynamic and static rings of the mechanical seal is tested by the cooperation between the water pressure detection mechanism and the oil pressure detection mechanism, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0017] Figure 2 It is a front view schematic diagram of the structure of the workbench and the fixed chuck of the utility model;

[0018] Figure 3 It is a left side schematic diagram of structures such as a workbench and a lower flange plate of a machine seal of the utility model.

[0019] Markings in the attached figure: 1. Sealed chamber; 2. Nitrogen pressure reducing valve; 3. Nitrogen interface; 4. Nitrogen pipe; 5. First pressure gauge; 6. Lifting oil pump; 7. First oil tank; 8. Oil pipe; 9. Lifting oil cylinder; 10. Pressure relief valve; 11. Connecting plate; 12. Flange; 13. Support column; 14. Limit block; 15. Second oil tank; 16. White oil pipe; 17. Second pressure gauge; 18. Lower flange of machine seal; 19. Upper flange of machine seal; 20. Fastening bolts; 21. Water pipe; 22. Liquid replenishing valve; 23. Third pressure gauge; 24. Drain valve; 25. Pressure pump; 30. Workbench. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 3As shown, the comprehensive pressure test platform for mechanical seals and reciprocating compressor valves includes a workbench 30; it also includes an air pressure detection mechanism, an oil pressure detection mechanism and a water pressure detection mechanism, and the air pressure detection mechanism, the oil pressure detection mechanism and the water pressure detection mechanism are all installed on the workbench 30;

[0023] The air pressure detection mechanism tests the air tightness of the reciprocating compressor air valve, the oil pressure detection mechanism tests the oil tightness of the mechanical seal, and the water pressure detection mechanism tests the sealing effect of the dynamic and static rings of the mechanical seal;

[0024] The air pressure detection mechanism includes a lifting mechanism, a fixed chuck, a sealed chamber 1, a nitrogen pressure reducing valve 2, a nitrogen interface 3, a nitrogen pipe 4 and a first pressure gauge 5, the lifting mechanism is installed at the bottom of the workbench 30, the fixed chuck is installed at the top of the workbench 30, the sealed chamber 1 is installed on the lifting mechanism, and a pressure relief valve 10 is provided on the sealed chamber 1, a connecting plate 11 is provided at the top of the sealed chamber 1, the nitrogen pressure reducing valve 2 and the first pressure gauge 5 are both installed on the workbench 30, the nitrogen interface 3 is installed on the nitrogen pressure reducing valve 2, and the nitrogen pressure reducing valve 2 is communicated with the interior of the sealed chamber 1 through the nitrogen pipe 4, and the bottom end of the first pressure gauge 5 is communicated with the interior of the nitrogen pipe 4;

[0025] The lifting mechanism includes a lifting oil pump 6, an oil pipe 8 and a lifting oil cylinder 9. The lifting oil pump 6 is installed on the top of the workbench 30, and an oil pressure gauge is provided on the lifting oil pump 6. The first oil tank 7 and the lifting oil cylinder 9 are installed at the bottom of the workbench 30. The lifting oil pump 6 is communicated with the interior of the first oil tank 7. The lifting oil cylinder 9 is communicated with the interior of the lifting oil pump 6 through the oil pipe 8. The sealed chamber 1 is installed at the top of the lifting oil cylinder 9.

[0026] The fixed chuck includes a flange 12, multiple groups of support columns 13 and multiple groups of limit blocks 14. The flange 12 is fixedly installed on the top of the workbench 30, the bottom ends of the multiple groups of support columns 13 are rotatably installed on the flange 12, and the multiple groups of limit blocks 14 are slidably installed on the multiple groups of support columns 13 respectively.

[0027] The nitrogen interface 3 is connected to the gas source, and the spring surface of the reciprocating compressor valve is installed on the connecting plate 11 downward. The angles of the multiple groups of limit blocks 14 are adjusted by rotating the multiple groups of support columns 13, and then the multiple groups of limit blocks 14 are slid to block the top of the compound compressor valve. The staff presses the jacking oil pump 6 to make the jacking oil cylinder 9 adjust the height of the sealed chamber 1, and squeezes the compound compressor valve through the sealed chamber 1 in cooperation with the multiple groups of limit blocks 14 to clamp the compound compressor valve, open the nitrogen pressure reducing valve 2, and discharge nitrogen into the sealed chamber 1 through the nitrogen pipe 4, and then close the nitrogen pressure reducing valve 2, so that the sealed chamber 1 cooperates with the compound compressor valve to maintain pressure, and at the same time, the air pressure change in the sealed chamber 1 is judged by observing the first pressure gauge 5 to judge whether the air tightness of the compound compressor valve is qualified. After the test is completed, the pressure relief valve 10 is opened to relieve the pressure inside the sealed chamber 1, thereby improving the practicality of the equipment.

[0028] Example 2

[0029] like Figures 1 to 3 As shown, the comprehensive pressure test platform for mechanical seals and reciprocating compressor valves includes a workbench 30; it also includes an air pressure detection mechanism, an oil pressure detection mechanism and a water pressure detection mechanism, and the air pressure detection mechanism, the oil pressure detection mechanism and the water pressure detection mechanism are all installed on the workbench 30;

[0030] The air pressure detection mechanism tests the air tightness of the reciprocating compressor air valve, the oil pressure detection mechanism tests the oil tightness of the mechanical seal, and the water pressure detection mechanism tests the sealing effect of the dynamic and static rings of the mechanical seal;

[0031] The air pressure detection mechanism includes a lifting mechanism, a fixed chuck, a sealed chamber 1, a nitrogen pressure reducing valve 2, a nitrogen interface 3, a nitrogen pipe 4 and a first pressure gauge 5, the lifting mechanism is installed at the bottom of the workbench 30, the fixed chuck is installed at the top of the workbench 30, the sealed chamber 1 is installed on the lifting mechanism, and a pressure relief valve 10 is provided on the sealed chamber 1, a connecting plate 11 is provided at the top of the sealed chamber 1, the nitrogen pressure reducing valve 2 and the first pressure gauge 5 are both installed on the workbench 30, the nitrogen interface 3 is installed on the nitrogen pressure reducing valve 2, and the nitrogen pressure reducing valve 2 is communicated with the interior of the sealed chamber 1 through the nitrogen pipe 4, and the bottom end of the first pressure gauge 5 is communicated with the interior of the nitrogen pipe 4;

[0032] The lifting mechanism includes a lifting oil pump 6, an oil pipe 8 and a lifting oil cylinder 9. The lifting oil pump 6 is installed on the top of the workbench 30, and an oil pressure gauge is provided on the lifting oil pump 6. The first oil tank 7 and the lifting oil cylinder 9 are installed at the bottom of the workbench 30. The lifting oil pump 6 is communicated with the interior of the first oil tank 7. The lifting oil cylinder 9 is communicated with the interior of the lifting oil pump 6 through the oil pipe 8. The sealed chamber 1 is installed at the top of the lifting oil cylinder 9.

[0033] The fixed chuck includes a flange 12, multiple groups of support columns 13 and multiple groups of limit blocks 14. The flange 12 is fixedly installed on the top of the workbench 30, the bottom ends of the multiple groups of support columns 13 are rotatably installed on the flange 12, and the multiple groups of limit blocks 14 are slidably installed on the multiple groups of support columns 13 respectively.

[0034] The oil pressure detection mechanism includes a second oil tank 15, a white oil pipe 16, a second pressure gauge 17 and a pressure pump 25. The pressure pump 25 is installed on the top of a workbench 30. The second oil tank 15 is installed on the bottom of the workbench 30, and the pressure pump 25 is communicated with the interior of the second oil tank 15. The sealed chamber 1 is communicated with the interior of the pressure pump 25 through the white oil pipe 16. The second pressure gauge 17 is installed on the workbench 30, and the bottom end of the second pressure gauge 17 is communicated with the interior of the white oil pipe 16.

[0035] By rotating the multiple groups of support columns 13, the angles of the multiple groups of limit blocks 14 are adjusted so that the multiple groups of limit blocks 14 block the top of the mechanical seal, and then the sealing chamber 1 is raised by the lifting cylinder 9, and the sealing chamber 1 is clamped by cooperating with the multiple groups of limit blocks 14 to clamp the mechanical seal, and then the staff presses the pressure pump 25 to discharge the white oil in the second oil tank 15 into the sealing chamber 1, and then the pressure change in the sealing chamber 1 is judged by observing the second pressure gauge 17, and the oil-tight effect of the mechanical seal is judged. After the test is completed, the pressure relief valve 10 is opened to relieve the pressure inside the sealing chamber 1, thereby improving the practicability of the equipment.

[0036] Example 3

[0037] like Figures 1 to 3 As shown, the comprehensive pressure test platform for mechanical seals and reciprocating compressor valves includes a workbench 30; it also includes an air pressure detection mechanism, an oil pressure detection mechanism and a water pressure detection mechanism, and the air pressure detection mechanism, the oil pressure detection mechanism and the water pressure detection mechanism are all installed on the workbench 30;

[0038] The air pressure detection mechanism tests the air tightness of the reciprocating compressor air valve, the oil pressure detection mechanism tests the oil tightness of the mechanical seal, and the water pressure detection mechanism tests the sealing effect of the dynamic and static rings of the mechanical seal;

[0039] The oil pressure detection mechanism includes a second oil tank 15, a white oil pipe 16, a second pressure gauge 17 and a pressure pump 25. The pressure pump 25 is installed on the top of a workbench 30. The second oil tank 15 is installed on the bottom of the workbench 30, and the pressure pump 25 is communicated with the interior of the second oil tank 15. The sealed chamber 1 is communicated with the interior of the pressure pump 25 through the white oil pipe 16. The second pressure gauge 17 is installed on the workbench 30, and the bottom end of the second pressure gauge 17 is communicated with the interior of the white oil pipe 16.

[0040] The water pressure detection mechanism includes a machine seal lower flange 18, a machine seal upper flange 19, fastening bolts 20, a water pipe 21, a liquid replenishing valve 22 and a third pressure gauge 23. The machine seal lower flange 18 is installed on the top of the workbench 30, and the machine seal upper flange 19 is installed on the top of the machine seal lower flange 18 through the fastening bolts 20. One end of the water pipe 21 is connected to the interior of the machine seal lower flange 18, and the other end of the water pipe 21 is connected to the interior of the pressure pump 25. The liquid replenishing valve 22 and the third pressure gauge 23 are both installed on the water pipe 21;

[0041] The mechanical seal upper flange 19 is provided with an exhaust valve 24;

[0042] Install the dynamic and static sealing rings of the mechanical seal on the lower flange 18 and the upper flange 19 of the mechanical seal respectively, and then install the upper flange 19 of the mechanical seal on the lower flange 18 of the mechanical seal by tightening the bolts 20, so that the dynamic and static sealing rings are tightly together, and then the water is discharged into the pressure pump 25. The staff presses the pressure pump 25 to make the water pass through the water pipe 21, the liquid replenishing valve 22 and the third pressure gauge 23 in sequence, and then the water is discharged into the lower flange 18 of the mechanical seal, and the drain valve 2 is opened at the same time. 4. Expel the air in the lower flange 18 of the machine seal. When the lower flange 18 of the machine seal is full of water, close the drain valve 24, and then continue to discharge water into the lower flange 18 of the machine seal through the pressure pump 25, so that the inside of the lower flange 18 of the machine seal reaches the rated pressure, and then close the liquid replenishing valve 22. The worker observes the third pressure gauge 23 to judge the change of water pressure in the lower flange 18 of the machine seal and the sealing effect of the dynamic and static sealing rings of the mechanical seal, thereby improving the practicality of the equipment.

[0043] The nitrogen pressure reducing valve 2, the first pressure gauge 5, the second pressure gauge 17, the third pressure gauge 23 and the pressure pump 25 of the mechanical seal and reciprocating compressor valve comprehensive pressure testing platform of the utility model are purchased on the market, and the technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A comprehensive pressure test platform for mechanical seals and reciprocating compressor valves, comprising a workbench (30); characterized in that: It also includes an air pressure detection mechanism, an oil pressure detection mechanism and a water pressure detection mechanism, and the air pressure detection mechanism, the oil pressure detection mechanism and the water pressure detection mechanism are all installed on the workbench (30); The air pressure detection mechanism tests the air tightness of the reciprocating compressor air valve, the oil pressure detection mechanism tests the oil tightness of the mechanical seal, and the water pressure detection mechanism tests the sealing effect of the dynamic and static rings of the mechanical seal; The air pressure detection mechanism comprises a lifting mechanism, a fixed chuck, a sealed chamber (1), a nitrogen pressure reducing valve (2), a nitrogen interface (3), a nitrogen pipe (4) and a first pressure gauge (5); the lifting mechanism is mounted on the bottom of a workbench (30); the fixed chuck is mounted on the top of the workbench (30); the sealed chamber (1) is mounted on the lifting mechanism; a pressure relief valve (10) is arranged on the sealed chamber (1); a connecting plate (11) is arranged on the top of the sealed chamber (1); the nitrogen pressure reducing valve (2) and the first pressure gauge (5) are both mounted on the workbench (30); the nitrogen interface (3) is mounted on the nitrogen pressure reducing valve (2); the nitrogen pressure reducing valve (2) is communicated with the interior of the sealed chamber (1) through the nitrogen pipe (4); and the bottom end of the first pressure gauge (5) is communicated with the interior of the nitrogen pipe (4); The oil pressure detection mechanism comprises a second oil tank (15), a white oil pipe (16), a second pressure gauge (17) and a pressure pump (25); the pressure pump (25) is mounted on the top of a workbench (30); the second oil tank (15) is mounted on the bottom of the workbench (30); the pressure pump (25) is in communication with the interior of the second oil tank (15); the sealed chamber (1) is in communication with the interior of the pressure pump (25) through the white oil pipe (16); the second pressure gauge (17) is mounted on the workbench (30); and the bottom end of the second pressure gauge (17) is in communication with the interior of the white oil pipe (16); The water pressure detection mechanism comprises a machine seal lower flange (18), a machine seal upper flange (19), fastening bolts (20), a water delivery pipe (21), a liquid replenishing valve (22) and a third pressure gauge (23); the machine seal lower flange (18) is mounted on the top of a workbench (30); the machine seal upper flange (19) is mounted on the top of the machine seal lower flange (18) through the fastening bolts (20); one end of the water delivery pipe (21) is communicated with the interior of the machine seal lower flange (18); the other end of the water delivery pipe (21) is communicated with the interior of a pressure pump (25); and the liquid replenishing valve (22) and the third pressure gauge (23) are both mounted on the water delivery pipe (21).

2. The comprehensive pressure testing platform for mechanical seals and reciprocating compressor valves according to claim 1, characterized in that: The lifting mechanism comprises a lifting oil pump (6), an oil pipe (8) and a lifting oil cylinder (9); the lifting oil pump (6) is installed on the top of a workbench (30), and an oil pressure gauge is provided on the lifting oil pump (6); a first oil tank (7) and a lifting oil cylinder (9) are installed on the bottom of the workbench (30); the lifting oil pump (6) is communicated with the interior of the first oil tank (7); the lifting oil cylinder (9) is communicated with the interior of the lifting oil pump (6) through the oil pipe (8); and the sealed chamber (1) is installed on the top of the lifting oil cylinder (9).

3. The comprehensive pressure testing platform for mechanical seals and reciprocating compressor valves according to claim 1, characterized in that: The fixed chuck comprises a flange (12), a plurality of groups of support columns (13) and a plurality of groups of limit blocks (14); the flange (12) is fixedly mounted on the top of the workbench (30); the bottom ends of the plurality of groups of support columns (13) are rotatably mounted on the flange (12); and the plurality of groups of limit blocks (14) are respectively slidably mounted on the plurality of groups of support columns (13).

4. The comprehensive pressure testing platform for mechanical seals and reciprocating compressor valves according to claim 1, characterized in that: The mechanical seal upper flange (19) is provided with a drain valve (24).

Images