Testing tool for metal sealing element of petroleum pipeline

Abstract

The utility model relates to the technical field of sealing element testing, and discloses a petroleum pipeline metal sealing element testing tool which comprises a fixing frame, a first positioning ring and a third positioning ring, a sliding groove is formed in the top of the fixing frame, a groove is formed in the top of the fixing frame, a two-way lead screw is arranged in the groove, and the two-way lead screw is connected with the first positioning ring and the third positioning ring. A first sealing piece fixing assembly is arranged at the top of the fixing frame, a second sealing piece fixing assembly is arranged at the top of the fixing frame, a pipeline metal sealing piece is arranged between the first sealing piece fixing assembly and the second sealing piece fixing assembly, and a second positioning ring is arranged at the top of the first positioning ring. According to the scheme, through the first connecting flange and the second connecting flange, a metal sealing element can be connected between the left connecting pipeline and the right connecting pipeline, so that the sealing performance of the metal can be tested, and meanwhile, the connection between the metal sealing elements with different lengths can be realized through the cooperation of the bidirectional screw rod, the first moving frame and the second moving frame; the diversity of the whole device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing component testing, in particular to a testing tool for metal sealing components of a petroleum pipeline. Background Art

[0002] As the demand for energy continues to increase, people are extracting more and more oil. In the process of oil transportation and extraction, pipelines are often needed to ensure its safety, reliability and efficiency. Usually, seals are used at the joints between pipelines to further improve their safety and reliability and avoid leakage. Therefore, in the process of metal seal production, it is necessary to test them to ensure that they avoid leakage and other problems during use.

[0003] The Chinese invention patent with announcement number CN114088556B specifically discloses a seal testing device, which can drive the seal and the seal fitting to repeatedly contact and separate, simulating the process of repeated contact and separation of the seal and the seal fitting when the workpiece is repeatedly opened and closed. However, in actual application, the seal testing device is not convenient for fixing and installing metal seals of different lengths, so it is not convenient to simulate the connection between metal seals of different lengths. In addition, the seal testing device is not convenient for fixing the connecting pipe, which easily causes the connecting pipe to be displaced during the test, affecting normal use. Summary of the invention

[0004] The utility model aims to provide a petroleum pipeline metal seal test tool, through which the test tool can effectively solve the problems in the prior art that it is inconvenient to simulate the connection between metal seals of different lengths and the displacement of the connecting pipeline affects normal use.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a petroleum pipeline metal seal testing tool, including a fixing frame, a first positioning ring and a third positioning ring, the fixing frame is provided with a slide groove on the top, the fixing frame is provided with a groove on the top, a bidirectional screw is provided inside the groove, the fixing frame is provided with a first seal fixing assembly on the top, the fixing frame is provided with a second seal fixing assembly on the top, a pipeline metal seal is provided between the first seal fixing assembly and the second seal fixing assembly, the first positioning ring is provided with a second positioning ring on the top, a left connecting pipe is fixedly installed between the first positioning ring and the second positioning ring, a first connecting flange is fixedly installed on the right side of the left connecting pipe, a positioning ring four is provided on the top of the third positioning ring, a right connecting pipe is fixedly installed between the third positioning ring and the positioning ring four, a second connecting flange is provided on the left side of the right connecting pipe, and a third connecting flange is provided on the right side of the right connecting pipe.

[0006] Preferably, the first sealing member fixing assembly includes a first movable frame, a first limiting rod, a second fixing plate, a first reinforcing rod, a first positioning ring, a second positioning ring, a left connecting pipe, a first connecting flange, and an air intake pipe, the first movable frame being slidably connected inside the slide groove, the first limiting rod being fixedly installed on the top of the first movable frame, the second fixing plate being fixedly installed on the top of the first limiting rod, and the first movable frame being threadedly connected to the bidirectional screw.

[0007] Through the above technical solution, through the design of the first movable frame and the bidirectional screw rod, the bidirectional screw rod can drive the first movable frame to move left and right, thereby facilitating automatic movement of the left connecting pipe, thereby facilitating adaptation to metal seals of different lengths.

[0008] Preferably, a first reinforcing rod is fixedly installed between the first limiting rod and the second fixing plate, and the first limiting rod, the second fixing plate and the first reinforcing rod form a "triangle" structure.

[0009] Through the above technical solution, the first limiting rod, the second fixing plate and the first reinforcing rod of the triangular structure can be used to reinforce the first limiting rod and the second fixing plate, thereby preventing the upper component from falling off easily.

[0010] Preferably, the second sealing member fixing assembly includes a second movable frame, a second limiting rod, a second fixed plate, a second reinforcing rod, a third positioning ring, a positioning ring four, a right connecting pipe, a second connecting flange, a third connecting flange, and a pressure gauge, a second movable frame slidingly connected inside the slide groove, a second limiting rod fixedly installed on the top of the second movable frame, a second fixed plate fixedly installed on the top of the second limiting rod, and the second movable frame is threadedly connected to the bidirectional screw.

[0011] Through the above technical solution, through the design of the second movable frame and the bidirectional screw rod, the bidirectional screw rod can drive the second movable frame to move left and right, so that the other end of the seal is connected to the right connecting pipe.

[0012] Preferably, a second reinforcing rod is provided between the second limiting rod and the second fixing plate, and the second limiting rod, the second fixing plate and the second reinforcing rod are in a "triangle" structure.

[0013] Through the above technical solution, the second limiting rod, the second fixing plate and the second reinforcing rod composed of the triangular structure can make the second reinforcing rod play a reinforcing role for the second limiting rod and the second fixing plate, thereby preventing the upper component from being easily displaced.

[0014] Preferably, a control switch is fixedly installed on the front side of the fixing frame, mounting seats are fixedly installed on the left and right sides of the fixing frame, a rotating shaft is fixedly installed on the left side of the bidirectional screw rod, a driving wheel is fixedly installed on the outer wall of the rotating shaft, a connecting belt is provided on the outer side of the driving wheel, and a driven wheel is provided on the other end of the connecting belt, a motor is provided at the bottom of the fixing frame, a positioning frame is fixedly installed on the outer side of the motor, the output shaft of the motor and the driven wheel are fixedly installed, a protective cover is fixedly installed on the left side of the fixing frame by bolts, and the driving wheel and the driven wheel are located inside the protective cover

[0015] Through the above technical solution, through the design of the protective cover, the driving wheel and the driven wheel can be protected, and the motor can be turned on by the control switch, and then the motor can drive the driven wheel to rotate, so that the driven wheel can drive the driving wheel to rotate through the connecting belt, and can drive the bidirectional screw rod to rotate, and with the protective cover, it can avoid affecting normal work.

[0016] Preferably, an air intake pipe is provided on the left side of the left connecting pipe, and a pressure gauge is provided on the top of the right connecting pipe.

[0017] Through the above technical solution, through the design of the intake pipe, pressure can be input from the intake pipe, and then the metal seal is connected through the first connecting flange, and the other end of the metal seal is connected to the second connecting flange, and a sealing test can be performed on it.

[0018] The oil pipeline metal seal testing tool provided by the utility model can connect the metal seal between the left connecting pipe and the right connecting pipe through the first connecting flange and the second connecting flange, so that the sealing performance of the metal seal can be tested. At the same time, the two-way screw rod, the first movable frame and the second movable frame can be used to connect metal seals of different lengths, thereby improving the diversity of the overall device.

[0019] The oil pipeline metal seal testing tool provided by the utility model can fix and install the left connecting pipeline and the right connecting pipeline through the first positioning ring, the second positioning ring, the third positioning ring and the fourth positioning ring, so as to avoid displacement of the left connecting pipeline and the right connecting pipeline during the air intake test and affect the normal test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional structure diagram of the first-angle view of the testing tool for metal seals of China Petroleum pipelines of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the second viewing angle of the CNPC pipeline metal seal testing tool of the utility model;

[0022] Figure 3This is a schematic diagram of the disassembled structure of the fixing frame and the protective cover of the CNPC pipeline metal seal test tool of the utility model;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the first seal fixing component of the CNPC pipeline metal seal testing tool of the utility model;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the second seal fixing component of the CNPC pipeline metal seal testing tool of the utility model.

[0025] Among them: 1. fixed frame; 2. control switch; 3. slide slot; 4. groove; 5. bidirectional screw rod; 6. mounting seat; 7. rotating shaft; 8. driving wheel; 9. connecting belt; 10. driven wheel; 11. motor; 12. positioning frame; 13. protective cover; 14. first sealing member fixing assembly; 1401. first moving frame; 1402. first limiting rod; 1403. second fixing plate; 1404. first reinforcing rod; 1405. first positioning ring; 1406. second positioning ring; 1 407, left connecting pipe; 1408, first connecting flange; 1409, air inlet pipe; 15, second sealing fixing assembly; 1501, second movable frame; 1502, second limiting rod; 1503, second fixing plate; 1504, second reinforcing rod; 1505, third positioning ring; 1506, positioning ring four; 1507, right connecting pipe; 1508, second connecting flange; 1509, third connecting flange; 1510, pressure gauge; 16, pipeline metal seal. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] like Figure 1-5As shown, the oil pipeline metal seal test tool given in this example mainly includes a fixing frame 1, a first positioning ring 1405 and a third positioning ring 1505. A slide groove 3 is provided on the top of the fixing frame 1, a groove 4 is provided on the top of the fixing frame 1, a bidirectional screw rod 5 is provided inside the groove 4, a first seal fixing component 14 is provided on the top of the fixing frame 1, a second seal fixing component 15 is provided on the top of the fixing frame 1, a pipeline metal seal 16 is provided between the first seal fixing component 14 and the second seal fixing component 15, and the first positioning ring 1405 A second positioning ring 1406 is arranged on the top, a left connecting pipe 1407 is fixedly installed between the first positioning ring 1405 and the second positioning ring 1406, a first connecting flange 1408 is fixedly installed on the right side of the left connecting pipe 1407, a positioning ring four 1506 is arranged on the top of the third positioning ring 1505, a right connecting pipe 1507 is fixedly installed between the third positioning ring 1505 and the positioning ring four 1506, a second connecting flange 1508 is arranged on the left side of the right connecting pipe 1507, and a third connecting flange 1509 is arranged on the right side of the right connecting pipe 1507.

[0029] In some embodiments, the first seal fixing assembly 14 includes a first moving frame 1401, a first limiting rod 1402, a second fixing plate 1403, a first reinforcing rod 1404, a first positioning ring 1405, a second positioning ring 1406, a left connecting pipe 1407, a first connecting flange 1408, and an air inlet pipe 1409. The first moving frame 1401 is slidably connected inside the slide groove 3, the first limiting rod 1402 is fixedly installed on the top of the first moving frame 1401, the second fixing plate 1403 is fixedly installed on the top of the first limiting rod 1402, and the first moving frame 1401 is threadedly connected to the bidirectional screw rod 5. In this way, through the design of the first moving frame 1401 and the bidirectional screw rod 5, the bidirectional screw rod 5 can drive the first moving frame 1401 to move left and right, so as to facilitate the automatic movement of the left connecting pipe 1407, so as to facilitate the adaptation to metal seals of different lengths.

[0030] In some embodiments, a first reinforcing rod 1404 is fixedly installed between the first limiting rod 1402 and the second fixing plate 1403, and the first limiting rod 1402, the second fixing plate 1403 and the first reinforcing rod 1404 are in a "triangular" structure. In this way, the first reinforcing rod 1404 can play a reinforcing role for the first limiting rod 1402 and the second fixing plate 1403 through the first limiting rod 1402, the second fixing plate 1403 and the first reinforcing rod 1404 in the triangular structure, thereby preventing the upper component from falling easily.

[0031] In some embodiments, the second seal fixing assembly 15 includes a second mobile frame 1501, a second limiting rod 1502, a second fixing plate 1503, a second reinforcing rod 1504, a third positioning ring 1505, a positioning ring four 1506, a right connecting pipe 1507, a second connecting flange 1508, a third connecting flange 1509, and a pressure gauge 1510. The second mobile frame 1501 is slidably connected inside the slide 3, the second limiting rod 1502 is fixedly installed on the top of the second mobile frame 1501, the second fixing plate 1503 is fixedly installed on the top of the second limiting rod 1502, and the second mobile frame 1501 is threadedly connected to the bidirectional screw rod 5. In this way, through the design of the second mobile frame 1501 and the bidirectional screw rod 5, the bidirectional screw rod 5 can drive the second mobile frame 1501 to move left and right, so that the other end of the seal is connected to the right connecting pipe 1507.

[0032] Embodiment 2:

[0033] This example further provides an optimization solution based on the solution in the first embodiment.

[0034] like Figure 2-5 As shown, in some embodiments of this example, a second reinforcing rod 1504 is arranged between the second limiting rod 1502 and the second fixing plate 1503, and the second limiting rod 1502, the second fixing plate 1503 and the second reinforcing rod 1504 are in a "triangular" structure. In this way, the second limiting rod 1502, the second fixing plate 1503 and the second reinforcing rod 1504 formed by the triangular structure can make the second reinforcing rod 1504 play a reinforcing role for the second limiting rod 1502 and the second fixing plate 1503, thereby preventing the upper component from being easily displaced.

[0035] In some embodiments of this example, a control switch 2 is fixedly installed on the front side of the fixing frame 1, a mounting seat 6 is fixedly installed on the left and right sides of the fixing frame 1, a rotating shaft 7 is fixedly installed on the left side of the bidirectional screw rod 5, a driving wheel 8 is fixedly installed on the outer wall of the rotating shaft 7, a connecting belt 9 is arranged on the outer side of the driving wheel 8, and a driven wheel 10 is arranged on the other end of the connecting belt 9, a motor 11 is arranged at the bottom of the fixing frame 1, a positioning frame 12 is fixedly installed on the outer side of the motor 11, the output shaft of the motor 11 and the driven wheel 10 are fixedly installed, and a protective cover 13 is fixedly installed on the left side of the fixing frame 1 by bolts, and the driving wheel 8 and the driven wheel 10 are located inside the protective cover 13. In this way, through the design of the protective cover 13, the driving wheel 8 and the driven wheel 10 can be protected, and the motor 11 can be turned on by the control switch 2, and then the motor 11 can drive the driven wheel 10 to rotate, so that the driven wheel 10 can drive the driving wheel 8 to rotate through the connecting belt 9, and can drive the bidirectional screw rod 5 to rotate, and with the protective cover 13, it can avoid affecting normal work.

[0036] In some embodiments of this example, an air inlet pipe 1409 is provided on the left side of the left connecting pipe 1407, and a pressure gauge 1510 is provided on the top of the right connecting pipe 1507. In this arrangement, through the design of the air inlet pipe 1409, pressure can be input from the air inlet pipe 1409, and then the metal seal is connected through the first connecting flange 1408, and the other end of the metal seal is connected to the second connecting flange 1508, and a sealing test can be performed on it.

[0037] The following example illustrates the application process of the oil pipeline metal seal test tooling formed based on the above example solution.

[0038] Combination Figures 1 to 5 As shown, when the oil pipeline metal seal test fixture is in use, the design of the first moving frame 1401 and the bidirectional screw rod 5 can make the bidirectional screw rod 5 drive the first moving frame 1401 to move left and right, so as to facilitate the automatic movement of the left connecting pipe 1407, so as to facilitate the adaptation of metal seals of different lengths. The first limiting rod 1402, the second fixing plate 1403 and the first reinforcing rod 1404 of the triangular structure can make the first reinforcing rod 1404 play a reinforcing role for the first limiting rod 1402 and the second fixing plate 1403, so as to prevent the upper components from falling easily. The design of the second moving frame 1501 and the bidirectional screw rod 5 can make the bidirectional screw rod 5 drive the second moving frame 1501 to move left and right, so as to connect the other end of the seal with the right connecting pipe 1507. 2. The second fixing plate 1503 and the second reinforcing rod 1504 can make the second reinforcing rod 1504 reinforce the second limit rod 1502 and the second fixing plate 1503, so as to prevent the upper components from being easily displaced. The design of the protective cover 13 can protect the driving wheel 8 and the driven wheel 10, and the motor 11 can be turned on by the control switch 2, and then the motor 11 can drive the driven wheel 10 to rotate, so that the driven wheel 10 can drive the driving wheel 8 to rotate through the connecting belt 9, and can drive the bidirectional screw rod 5 to rotate. With the protective cover 13, it can avoid affecting normal work. Through the design of the air intake pipe 1409, pressure can be input from the air intake pipe 1409, and then the metal seal is connected through the first connecting flange 1408, and the other end of the metal seal is connected to the second connecting flange 1508, which can be tested for sealing.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A petroleum pipeline metal seal testing tool, comprising a fixing frame (1), a first positioning ring (1405) and a third positioning ring (1505), characterized in that: The top of the fixing frame (1) is provided with a slide groove (3), the top of the fixing frame (1) is provided with a groove (4), a bidirectional screw rod (5) is arranged inside the groove (4), the top of the fixing frame (1) is provided with a first sealing member fixing assembly (14), the top of the fixing frame (1) is provided with a second sealing member fixing assembly (15), a pipeline metal seal (16) is arranged between the first sealing member fixing assembly (14) and the second sealing member fixing assembly (15), the top of the first positioning ring (1405) is provided with a second positioning ring (1406), the first positioning ring (1406) is provided with a second positioning ring (1407), and the first positioning ring (1408) is provided with a second positioning ring (1409). 5) and a left connecting pipe (1407) is fixedly installed between the second positioning ring (1406), a first connecting flange (1408) is fixedly installed on the right side of the left connecting pipe (1407), a positioning ring four (1506) is arranged on the top of the third positioning ring (1505), a right connecting pipe (1507) is fixedly installed between the third positioning ring (1505) and the positioning ring four (1506), a second connecting flange (1508) is arranged on the left side of the right connecting pipe (1507), and a third connecting flange (1509) is arranged on the right side of the right connecting pipe (1507).

2. The petroleum pipeline metal seal testing tool according to claim 1, characterized in that: The first sealing member fixing assembly (14) comprises a first movable frame (1401), a first limiting rod (1402), a second fixing plate (1403), a first reinforcing rod (1404), a first positioning ring (1405), a second positioning ring (1406), a left connecting pipe (1407), a first connecting flange (1408), and an air intake pipe (1409); the first movable frame (1401) is slidably connected inside the slide groove (3); the first movable frame (1401) is fixedly mounted with a first limiting rod (1402) on the top; the first limiting rod (1402) is fixedly mounted with a second fixing plate (1403) on the top; and the first movable frame (1401) is threadedly connected to the bidirectional screw rod (5).

3. The petroleum pipeline metal seal testing tool according to claim 2, characterized in that: A first reinforcing rod (1404) is fixedly installed between the first limiting rod (1402) and the second fixing plate (1403), and the first limiting rod (1402), the second fixing plate (1403) and the first reinforcing rod (1404) are in a "triangle" structure.

4. The petroleum pipeline metal seal testing tool according to claim 3, characterized in that: The second sealing member fixing assembly (15) comprises a second movable frame (1501), a second limiting rod (1502), a third fixing plate (1503), a second reinforcing rod (1504), a third positioning ring (1505), a positioning ring four (1506), a right connecting pipe (1507), a second connecting flange (1508), a third connecting flange (1509), and a pressure gauge (1510); the second movable frame (1501) is slidably connected inside the slide groove (3); the second movable frame (1501) is fixedly mounted with a second limiting rod (1502) on the top; the second limiting rod (1502) is fixedly mounted with a third fixing plate (1503) on the top; and the second movable frame (1501) is threadedly connected to the bidirectional screw rod (5).

5. The petroleum pipeline metal seal testing tool according to claim 4, characterized in that: A second reinforcing rod (1504) is arranged between the second limiting rod (1502) and the third fixing plate (1503), and the second limiting rod (1502), the third fixing plate (1503) and the second reinforcing rod (1504) are in a "triangle" structure.

6. The petroleum pipeline metal seal testing tool according to claim 5, characterized in that: A control switch (2) is fixedly installed on the front side of the fixing frame (1); mounting seats (6) are fixedly installed on the left and right sides of the fixing frame (1); a rotating shaft (7) is fixedly installed on the left side of the bidirectional screw rod (5); a driving wheel (8) is fixedly installed on the outer wall of the rotating shaft (7); a connecting belt (9) is arranged on the outer side of the driving wheel (8); a driven wheel (10) is arranged on the other end of the connecting belt (9); a motor (11) is arranged at the bottom of the fixing frame (1); a positioning frame (12) is fixedly installed on the outer side of the motor (11); the output shaft of the motor (11) and the driven wheel (10) are fixedly installed; a protective cover (13) is fixedly installed on the left side of the fixing frame (1) by bolts; the driving wheel (8) and the driven wheel (10) are located inside the protective cover (13).

7. The petroleum pipeline metal seal testing tool according to claim 6, characterized in that: An air intake pipe (1409) is arranged on the left side of the left connecting pipe (1407), and a pressure gauge (1510) is arranged on the top of the right connecting pipe (1507).

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