Pipeline testing machine structure

Abstract

The invention discloses a pipeline testing machine structure, which adopts a linear motor as a loading device, and realizes stable movement of a test plate through a slide rail and a slide sleeve, so that axial tension or pressure is applied to a special-shaped pipe fitting, and meanwhile, bending moment loading is applied to the special-shaped pipe fitting through an air cylinder; the stress state of the special-shaped pipe fitting under the complex working condition is simulated, the authenticity and reliability of the test are improved, the sealing detection table is adopted as a sealing detection device, gas-liquid input and output are conducted on the special-shaped pipe fitting through the gas-liquid input port, meanwhile, the special-shaped pipe fitting is pressed and sealed through the pressing end, and the sealing performance of the special-shaped pipe fitting is improved. According to the pipeline testing machine structure, the conductive testing shaft is adopted as a conductive testing device, and a conductive test is carried out on the special-shaped pipe fitting through the power connection terminal, so that the conductive performance and the corrosion resistance of the special-shaped pipe fitting are detected, and the testing accuracy and the testing safety are improved. And the effectiveness and the practicability of the test are improved.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline detection, in particular to a pipeline testing machine structure. Background Art

[0002] Pipelines are important equipment for transporting liquids, gases or solid particles. Their performance and safety directly affect industrial production and people's lives. Therefore, it is necessary to conduct various tests on pipelines to test their strength, sealing, durability and other indicators to ensure their normal operation and service life.

[0003] In order to ensure the performance and safety of special-shaped pipe fittings, it is necessary to conduct various tests on them to check their strength, sealing, durability, conductivity, color stability and other indicators. However, the common pipeline testing machine structure on the market is mainly designed for conventional round pipe fittings, and has low adaptability to special-shaped pipe fittings, and there are the following problems: 1. Failure to accurately position and fix special-shaped pipe fittings according to their different cross-sectional shapes and sizes results in uneven and unstable loading during the test; 2. It is not possible to apply axial and bending moment loads to special-shaped pipe fittings at the same time to simulate the stress state of special-shaped pipe fittings under external forces such as earthquakes and wind; 3. It is not possible to conduct sealing tests on special-shaped pipe fittings to check their sealing performance and permeability resistance; 4. Conductive tests cannot be performed on special-shaped pipe fittings to test their conductivity and corrosion resistance; 5. It is not possible to perform color testing on special-shaped pipe fittings to check the color stability and aging resistance of special-shaped pipe fittings; 6. It is not possible to conduct full-cycle tests on special-shaped pipe fittings to verify their fatigue life and reliability.

[0004] Therefore, in view of the deficiencies in the prior art, the present invention provides a special-shaped pipe testing machine structure to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a pipeline testing machine structure to solve the problems existing in the prior art mentioned in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a pipeline testing machine structure, including a frame, a test plate, a first mounting stand, a sealing detection table, a first positioning frame, a second positioning frame, a second mounting stand and a third mounting stand; A base plate is fixedly connected to the top of the frame, two sets of slide rails are fixedly connected to the top of the base plate, and a linear motor is installed on the top of the base plate; The test board is movably arranged above the base plate, and four sets of sliding sleeves are fixedly connected at intervals at the bottom of the test board, and the four sets of sliding sleeves are movably connected to the two sets of sliding rails in pairs; The mover of the linear motor is fixedly connected to the test plate by bolts; The first mounting stand is fixed to the top of the test plate, and the front side of the first mounting stand is integrally connected with a top plate, a middle plate and a lower inclined plate in sequence from top to bottom, and the first cylinder, the second cylinder and the third cylinder are respectively installed on the top plate, the middle plate and the lower inclined plate by bolts, the output end of the first cylinder is fixedly connected to a receiving frame, the bottom of the receiving frame is fixedly connected to a bracket, and the output ends of the second cylinder and the third cylinder are fixedly connected to holding ends; The sealing detection platform is fixed to the top of the test plate, and the top and the oblique side of the sealing detection platform are respectively fixedly connected with a horizontal assembly platform and an oblique insertion assembly platform, and the sides of the horizontal assembly platform and the oblique insertion assembly platform are provided with plug holes, and the tops of the horizontal assembly platform and the oblique insertion assembly platform are provided with pressure holes, and the two groups of the pressure holding ends are respectively connected to the two groups of pressure holes through movement; The first positioning frame and the second positioning frame are both fixedly connected to the top of the test plate, and a color sensor is installed on the front side of the first positioning frame through bolts; A gas-liquid input port is provided in the pressure holding port; The second mounting stand is fixed to the top of the test board, and a conductive test shaft is inserted and connected to the inner side of the upper end of the second mounting stand through a bolt structure, and one end of the conductive test shaft is fixedly connected to a power terminal; The third mounting stand is fixed on the top of the test plate, a fourth cylinder is mounted on the top of the third mounting stand, and a transverse support is fixedly connected to the output end of the fourth cylinder.

[0007] Preferably, the slide rail is extended along the width direction of the substrate, the middle parts of both sides of the slide rail are concave structures, and the inner side of the sliding sleeve and the upper end of the slide rail are in a matching shape on the front side.

[0008] Preferably, the front side of the bracket is integrally connected with a front hanger, a front hanging hole is transversely penetrated through the inner side of the front hanger, the rear side of the bracket is integrally connected with a rear hanger, a rear hanging hole is vertically penetrated through the inner side of the rear hanger, one side of the bracket is integrally connected with a first side bracket, and the other side of the bracket is integrally connected with a second side bracket.

[0009] Preferably, the upper ends of the first positioning frame and the second positioning frame are both "U"-shaped structures, and the first positioning frame corresponds to the position of the first side support, and the second positioning frame corresponds to the position of the second side support.

[0010] Preferably, an inspection opening is provided through the frame, and the test plate is moved to correspond to the position of the inspection opening.

[0011] Preferably, a first sealing rubber ring is connected inside the plug hole, the inner side of the first sealing rubber ring is a truncated cone structure, and the outer diameter length of the first sealing rubber ring is matched with the inner length of the plug hole.

[0012] Preferably, the upper and lower ends of the pressing end are both cylindrical structures, the outer diameter length of the lower end of the pressing end is matched with the inner diameter length of the pressing hole, and a second sealing rubber ring is fixedly embedded on the inner wall surface of the upper end of the pressing hole.

[0013] Preferably, a pressing groove is provided in the bottom of the pressing end head, and the pressing groove is a semi-cylindrical structure.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The pipeline testing machine adopts a linear motor as a loading device, and realizes the smooth movement of the test plate through the slide rail and the sliding sleeve, so as to apply axial tension or pressure to the special-shaped pipe fittings. At the same time, the cylinder applies a bending moment load to the special-shaped pipe fittings to simulate the stress state of the special-shaped pipe fittings under complex working conditions, thereby improving the authenticity and reliability of the test; 2. The structure of the pipeline testing machine adopts a sealing detection table as a sealing detection device, which inputs and outputs gas and liquid to the special-shaped pipe fittings through the gas and liquid input port, and presses and seals the special-shaped pipe fittings through the pressing end head to test the sealing performance and permeability resistance of the special-shaped pipe fittings, thereby improving the accuracy and safety of the test; 3. The structure of the pipeline testing machine adopts a conductive test shaft as a conductive test device, and conducts a conductive test on special-shaped pipe fittings through the electrical terminals to check the conductivity and corrosion resistance of the special-shaped pipe fittings, thereby improving the effectiveness and practicality of the test; 4. The structure of the pipeline testing machine adopts a color sensor as a color detection device. By detecting the color of special-shaped pipe fittings, the color stability and aging resistance of special-shaped pipe fittings are tested, which improves the objectivity and aesthetics of the test; 5. The pipeline testing machine adopts multiple cylinders as full-cycle testing devices. It tests the fatigue life and reliability of special-shaped pipe fittings by subjecting them to long-term cyclic loading, thus improving the comprehensiveness and durability of the test.

[0015] To sum up, the pipeline testing machine structure of the present invention has the advantages of reasonable structure, complete functions, convenient operation, significant effects, etc. It can meet various testing needs of pipelines of different types, specifications and materials, and provides effective technical support for the design, manufacture, installation, maintenance and detection of pipelines. It has high practical value and broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a pipeline testing machine structure of the present invention; Figure 2 This is a schematic diagram of the structure of a pipeline testing machine of the present invention after removing the frame; Figure 3 It is a front view of a slide rail and a slide sleeve of a pipeline testing machine structure of the present invention; Figure 4 A schematic diagram of the inspection port structure of a pipeline testing machine structure of the present invention; Figure 5 A schematic diagram of the bottom structure of a test plate of a pipeline testing machine structure of the present invention; Figure 6 This is a schematic diagram of the local structure of a pipeline testing machine structure of the present invention when in use; Figure 7 It is a schematic diagram of a first mounting stand structure of a pipeline testing machine structure of the present invention; Figure 8 A schematic diagram of a bracket structure of a pipeline testing machine structure of the present invention; Fig. 9 It is a partial structural schematic diagram of a pipeline testing machine structure of the present invention; Fig.10 It is a partial front structural cross-sectional view of a pipeline testing machine structure of the present invention; Fig.11 It is a front structural cross-sectional view of a first sealing rubber ring of a pipeline testing machine structure of the present invention; Fig.12 A side view of a pressing end of a pipeline testing machine structure of the present invention; Fig.13 It is a structural schematic diagram of a second mounting stand of a pipeline testing machine structure of the present invention; Fig.14 It is another structural schematic diagram of the second mounting stand of a pipeline testing machine structure of the present invention; Fig.15 The present invention is a schematic structural diagram of a pipeline testing machine structure for testing special-shaped pipe fittings.

[0017] In the figure: 1. Frame; 2. Base plate; 3. Slide rail; 4. Test board; 5. Slide sleeve; 6. Linear motor; 7. First mounting frame; 8. Top plate; 9. Middle plate; 10. Lower inclined plate; 11. First cylinder; 12. Second cylinder; 13. Third cylinder; 14. Sealing test bench; 15. Horizontal assembly bench; 16. Oblique insertion assembly bench; 17. Socket; 18. Receiver; 19. Bracket; 20. Front hanger; 21. Front hanging hole; 22. Rear hanging bracket; 23. Rear hanging hole; 24. First side support; 25. Second side support; 26. First positioning frame; 27. Second positioning frame; 28. Inspection port; 29. ​​Pressing hole; 30. First sealing rubber ring; 31. Pressing end; 32. Second sealing rubber ring; 33. Gas and liquid input port; 34. Second mounting stand; 35. Conductive test axis; 36. Power connection terminal; 37. Color sensor; 38. Third mounting stand; 39. Fourth cylinder; 40. Horizontal support; 41. Holding groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-15 The present invention provides a technical solution: a pipeline testing machine structure, including a frame 1, a test plate 4, a first mounting stand 7, a sealing detection table 14, a first positioning frame 26, a second positioning frame 27, a second mounting stand 34 and a third mounting stand 38.

[0022] A base plate 2 is fixedly connected to the top of the frame 1 , two sets of slide rails 3 are fixedly connected to the top of the base plate 2 , and a linear motor 6 is installed on the top of the base plate 2 .

[0023] Specifically, the frame 1 is composed of steel frames spliced ​​together.

[0024] The test board 4 is movably arranged above the base plate 2 . Four sets of sliding sleeves 5 are fixedly connected to the bottom of the test board 4 at intervals. The four sets of sliding sleeves 5 are movably connected to the two sets of sliding rails 3 in pairs.

[0025] The slide rail 3 is extended along the width direction of the base plate 2, the middle part of both sides of the slide rail 3 is a concave structure, and the inner side of the slide sleeve 5 is in a shape that matches the upper and middle ends of the slide rail 3 on the front. Specifically, the slide rail 3 is a structure that is wider at both ends than in the middle, which improves the stability and accuracy of the movement of the test board 4 on the slide rail 3 on the one hand, and on the other hand, the slide rail 3 has a limiting effect on the slide sleeve 5, which can prevent the slide sleeve 5 from falling off the slide rail 3, thereby ensuring the loading stability and reliability during the test.

[0026] A maintenance opening 28 is provided through the frame 1, and the test board 4 is moved to correspond to the position of the maintenance opening 28. Figure 4 Since most of the test components are fixed on the test plate 4 by bolts, the inspection port 28 facilitates the disassembly and maintenance of the components from the bottom of the test plate 4, thereby extending the service life of the test machine.

[0027] The mover of the linear motor 6 is fixedly connected to the test plate 4 by bolts. Specifically, the linear motor 6 is used as a loading device, and the test plate 4 is moved smoothly through the slide rail 3 and the sleeve 5, so that the linear motor 6 can drive the test plate 4 to move back and forth, thereby applying axial tension or pressure to the special-shaped pipe fitting.

[0028] The first mounting stand 7 is fixed to the top of the test plate 4, and the front side of the first mounting stand 7 is integrally connected with the top plate 8, the middle plate 9 and the lower inclined plate 10 in sequence from top to bottom, and the first cylinder 11, the second cylinder 12 and the third cylinder 13 are respectively installed on the top plate 8, the middle plate 9 and the lower inclined plate 10 by bolts, the output end of the first cylinder 11 is fixedly connected with the receiving frame 18, the bottom of the receiving frame 18 is fixedly connected with the bracket 19, and the output ends of the second cylinder 12 and the third cylinder 13 are fixedly connected with the holding end 31.

[0029] The front side of the bracket 19 is integrally connected to a front hanger 20, and a front hanger hole 21 is formed in the inner side of the front hanger 20 in a horizontal direction. The rear side of the bracket 19 is integrally connected to a rear hanger 22, and a rear hanger hole 23 is formed in the rear hanger 22 in a vertical direction. A first side bracket 24 is integrally connected to one side of the bracket 19, and a second side bracket 25 is integrally connected to the other side of the bracket 19. For details, refer to the attached manual. Figure 2 , Instruction Manual Figure 6 , Instruction Manual Figure 8 And the instruction manual Fig. 9The first cylinder 11 drives the receiving frame 18 and the bracket 19 to rise and fall synchronously. The front hanging holes 21 and the rear hanging holes 23 can be used for the test pipe fittings to be inserted and fixed, which facilitates the lifting and fixing of the pipeline and improves the efficiency and safety of the test, so that it can be applicable to a variety of special-shaped pipe fittings. The first side support 24 and the second side support 25 have a supporting effect on the special-shaped pipe fittings, which improves the stability of the special-shaped pipe fittings during the test. After the special-shaped pipe fittings are fixed, the first cylinder 11 drives the receiving frame 18 and the bracket 19 to rise, so that the special-shaped pipe fittings can be stretched upward for testing.

[0030] The sealing detection platform 14 is fixed to the top of the test plate 4, and the top and the oblique side of the sealing detection platform 14 are respectively fixedly connected with the horizontal assembly platform 15 and the oblique insertion assembly platform 16, and the sides of the horizontal assembly platform 15 and the oblique insertion assembly platform 16 are provided with insertion holes 17, and the tops of the horizontal assembly platform 15 and the oblique insertion assembly platform 16 are provided with pressure holes 29, and two groups of pressing ends 31 are respectively connected to the two groups of pressure holes 29 through movement.

[0031] The upper and lower ends of the pressing end 31 are both cylindrical structures, the outer diameter length of the lower end of the pressing end 31 is adapted to the inner diameter length of the pressing hole 29, and a second sealing rubber ring 32 is fixedly embedded on the inner wall surface of the upper end of the pressing hole 29. Specifically, the sealing performance between the pipeline and the pressing hole 29 is improved by extruding and deforming the second sealing rubber ring 32, thereby preventing leakage of gas and liquid and external pollution.

[0032] A holding groove 41 is provided at the bottom of the holding end 31, and the holding groove 41 is a semi-cylindrical structure. Specifically, the jack 17 is connected to the pressure hole 29, and the jack 17 and the pressure hole 29 are sealed by the first sealing rubber ring 30 and the second sealing rubber ring 32. The holding groove 41 is more adapted to the shape of the pipe end. The setting of the holding groove 41 improves the stability of the pipe fixed in the jack 17 and the pressure hole 29, improves the holding force and stability between the pipe and the holding end 31, and ensures the accuracy and reliability of the test.

[0033] The first sealing rubber ring 30 is connected to the jack 17, and the inner side of the first sealing rubber ring 30 is a truncated cone structure, and the outer diameter length of the first sealing rubber ring 30 is adapted to the inner length of the jack 17. Specifically, the first sealing rubber ring 30 is made of rubber material and has a certain deformability, and the inner side of the first sealing rubber ring 30 adopts a truncated cone structure, which can be applied to pipes with different outer diameters and lengths, thereby improving applicability. Through the setting of the jack 17, the pipe fittings can be placed on the horizontal assembly platform 15 and the oblique assembly platform 16. According to the actual specifications and the special-shaped bending angle of the pipe fittings, they can be selected to be inserted into the horizontal assembly platform 15 or the oblique assembly platform 16. The first sealing rubber ring 30 can improve the sealing performance between the pipe and the jack 17, thereby preventing gas and liquid leakage and external pollution.

[0034] The first positioning frame 26 and the second positioning frame 27 are both fixedly connected to the top of the test plate 4, and a color sensor 37 is installed on the front side of the first positioning frame 26 by bolts. Specifically, the pipeline testing machine structure adopts the color sensor 37 as a color detection device, and detects the color of the special-shaped pipe fittings to check the color stability and aging resistance of the special-shaped pipe fittings, thereby improving the objectivity and aesthetics of the test. The model of the color sensor 37 can be CSM-WN111C2P.

[0035] The upper ends of the first positioning frame 26 and the second positioning frame 27 are both "U"-shaped structures, and the first positioning frame 26 corresponds to the position of the first side support 24, and the second positioning frame 27 corresponds to the position of the second side support 25. Specifically, the "U"-shaped first positioning frame 26 and the second positioning frame 27 enhance the positioning and support of the pipeline, and prevent the pipeline from sliding and deforming during the test. According to actual use requirements, the height specifications of the first positioning frame 26 and the second positioning frame 27 can be prefabricated, and the top slot specifications of the first positioning frame 26 and the second positioning frame 27 can also be prefabricated.

[0036] A gas-liquid input port 33 is provided in the pressing end 31. Specifically, the sealing detection platform 14 is used as the sealing detection device, one end of the gas-liquid input port 33 is connected to the outer side of the upper end of the pressing end 31, and the other end of the gas-liquid input port 33 is connected to the outer side of the bottom of the pressing end 31, so that gas and liquid can be input into the pressure hole 29 through the gas-liquid input port 33, thereby realizing gas-liquid input to the special-shaped pipe fittings, and at the same time, the special-shaped pipe fittings are pressed and sealed by the pressing end 31 to test the sealing performance and permeability resistance of the special-shaped pipe fittings, thereby improving the accuracy and safety of the test.

[0037] The second mounting stand 34 is fixed to the top of the test plate 4. The inner side of the upper end of the second mounting stand 34 is connected with a conductive test shaft 35 through a bolt structure. One end of the conductive test shaft 35 is fixedly connected with an electrical terminal 36. Specifically, when in use, the horizontal position of the conductive test shaft 35 can be adjusted by rotating it until the conductive test shaft 35 contacts the test pipe fitting. The pipeline testing machine structure uses the conductive test shaft 35 as a conductive test device, and conducts a conductive test on the special-shaped pipe fitting through the electrical terminal 36 to check the conductive performance and corrosion resistance of the special-shaped pipe fitting, thereby improving the effectiveness and practicality of the test.

[0038] The third mounting stand 38 is fixed to the top of the test plate 4, and a fourth cylinder 39 is installed on the top of the third mounting stand 38. The output end of the fourth cylinder 39 is fixedly connected to a transverse support 40. Specifically, the transverse support 40 can be driven by the fourth cylinder 39 to move horizontally. On the one hand, the transverse support 40 can apply stable pressure to the special-shaped pipe fittings stretched to a certain height to maintain the stability of the special-shaped pipe fittings. On the other hand, the transverse support 40 can apply bending moment loading to the special-shaped pipe fittings.

[0039] Specifically, bending moment loading is applied to special-shaped pipe fittings through multiple cylinders to simulate the stress state of special-shaped pipe fittings under complex working conditions, thereby improving the authenticity and reliability of the test. Multiple cylinders are used as full-cycle test devices to subject special-shaped pipe fittings to long-term cyclic loading to test the fatigue life and reliability of special-shaped pipe fittings, thereby improving the comprehensiveness and durability of the test.

[0040] Specifically, the present invention provides a pipeline testing machine structure with reasonable structure, complete functions and convenient operation. It can perform various tests on pipelines, such as axial, bending moment, sealing, conductivity, color and full cycle, to meet various test requirements of pipelines of different types, specifications and materials, and provide effective technical support for the design, manufacture, installation, maintenance and detection of pipelines.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipeline testing machine structure, characterized in that: It comprises a frame (1), a test plate (4), a first mounting frame (7), a sealing detection table (14), a first positioning frame (26), a second positioning frame (27), a second mounting frame (34) and a third mounting frame (38); A base plate (2) is fixedly connected to the top of the frame (1), two sets of slide rails (3) are fixedly connected to the top of the base plate (2), and a linear motor (6) is installed on the top of the base plate (2); The test plate (4) is movably arranged above the base plate (2); four groups of sliding sleeves (5) are fixedly connected to the bottom of the test plate (4) at intervals; the four groups of sliding sleeves (5) are movably connected to the two groups of sliding rails (3) in pairs; The mover of the linear motor (6) is fixedly connected to the test plate (4) by means of bolts; The first mounting frame (7) is fixed to the top of the test plate (4); the front side of the first mounting frame (7) is integrally connected with a top plate (8), a middle plate (9) and a lower inclined plate (10) in sequence from top to bottom; the top plate (8), the middle plate (9) and the lower inclined plate (10) are respectively mounted with a first cylinder (11), a second cylinder (12) and a third cylinder (13) by bolts; the output end of the first cylinder (11) is fixedly connected with a receiving frame (18); the bottom of the receiving frame (18) is fixedly connected with a bracket (19); the output ends of the second cylinder (12) and the third cylinder (13) are both fixedly connected with a holding end (31); The sealing detection platform (14) is fixed to the top of the test plate (4), and the top and oblique side of the sealing detection platform (14) are respectively fixedly connected to a horizontal assembly platform (15) and an oblique insertion assembly platform (16), and the sides of the horizontal assembly platform (15) and the oblique insertion assembly platform (16) are both provided with insertion holes (17), and the tops of the horizontal assembly platform (15) and the oblique insertion assembly platform (16) are both provided with pressure holes (29), and the two groups of the pressure holding ends (31) are respectively connected to the two groups of pressure holes (29) through movement; The first positioning frame (26) and the second positioning frame (27) are both fixedly connected to the top of the test plate (4), and a color sensor (37) is mounted on the front side of the first positioning frame (26) via bolts; The pressure holding port (31) is provided with a gas-liquid input port (33); The second mounting stand (34) is fixed to the top of the test plate (4); a conductive test shaft (35) is inserted and connected to the inner side of the upper end of the second mounting stand (34) via a bolt structure; one end of the conductive test shaft (35) is fixedly connected to an electrical terminal (36); The third mounting frame (38) is fixed to the top of the test plate (4), a fourth cylinder (39) is installed on the top of the third mounting frame (38), and a transverse support frame (40) is fixedly connected to the output end of the fourth cylinder (39).

2. A pipeline testing machine structure according to claim 1, characterized in that: The slide rail (3) is extended along the width direction of the base plate (2), the middle parts of both sides of the slide rail (3) are concave structures, and the inner side of the slide sleeve (5) and the upper middle end of the slide rail (3) are in a matching shape at the front.

3. A pipeline testing machine structure according to claim 1, characterized in that: The front side of the bracket (19) is integrally connected to a front hanger (20), a front hanger hole (21) is formed in the inner side of the front hanger (20) in a transverse direction, the rear side of the bracket (19) is integrally connected to a rear hanger (22), a rear hanger hole (23) is formed in the inner side of the rear hanger (22) in a vertical direction, a first side bracket (24) is integrally connected to one side of the bracket (19), and a second side bracket (25) is integrally connected to the other side of the bracket (19).

4. A pipeline testing machine structure according to claim 3, characterized in that: The upper ends of the first positioning frame (26) and the second positioning frame (27) are both U-shaped structures, and the first positioning frame (26) corresponds to the position of the first side support (24), while the second positioning frame (27) corresponds to the position of the second side support (25).

5. The pipeline testing machine structure according to claim 1, characterized in that: An inspection opening (28) is provided through the frame (1), and the test plate (4) is moved to correspond to the position of the inspection opening (28).

6. A pipeline testing machine structure according to claim 1, characterized in that: A first sealing rubber ring (30) is connected to the inside of the insertion hole (17); the inside of the first sealing rubber ring (30) is a truncated cone-shaped structure, and the outer diameter of the first sealing rubber ring (30) is matched to the inner length of the insertion hole (17).

7. A pipeline testing machine structure according to claim 1, characterized in that: The upper and lower ends of the pressing end head (31) are both cylindrical structures, the outer diameter length of the lower end of the pressing end head (31) is matched to the inner diameter length of the pressing hole (29), and a second sealing rubber ring (32) is fixedly embedded on the inner wall surface of the upper end of the pressing hole (29).

8. The pipeline testing machine structure according to claim 1, characterized in that: A pressing groove (41) is provided in the bottom of the pressing end (31), and the pressing groove (41) is a semi-cylindrical structure.

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