Friction and wear test bench of leather cup for detector in pipeline

Abstract

The utility model relates to a frictional wear test bench of a leather cup for a detector in a pipeline, belongs to the technical field of pipeline detection, and solves the problems that the existing frictional wear test cannot simulate the environment in the pipeline and does not consider the wear influence caused by the extrusion deformation of the leather cup in the pipeline. The device comprises a driving motor, the friction wheel is arranged at the output end of the driving motor; the leather cup pressing tool comprises a leather cup fixing piece and an inner diameter adjusting pad; the leather cup fixing piece comprises a fixing groove for fixing the leather cup and an opening for embedding a part of the structure of the friction wheel, and the opening is communicated to the fixing groove; the inner diameter adjusting pad is clamped between the leather cup and the side wall of the fixing groove, and the leather cup is in interference fit with the side wall of the inner diameter adjusting pad. According to the utility model, the extrusion state of the leather cup in the pipeline is simulated, the friction wear test is carried out on the leather cup, and the detection result is more accurate, authentic and worthy of application.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection technical field especially, it relates to a pipeline internal detector is with leather cup's friction and wear test bench. BACKGROUND

[0002] Oil and gas pipeline internal detection equipment is passively operated by pipeline pressure, and the running distance can reach hundreds of kilometers. The power leather cup of the equipment bears the functions of support, pressure bearing and sealing at the same time, and friction and wear inevitably occur. Once the leather cup is excessively worn, it may lead to detection equipment vibration or even equipment stop moving, and the special working condition of pipeline detection and the leather cup material determine that the wear cannot be monitored in real time. Therefore, mastering the friction and wear performance of the leather cup has important reference value for accurately judging the environmental adaptability of the detector.

[0003] The existing friction and wear test methods mainly include Akron wear, DIN wear, Taber wear and NBS wear, etc. The above test methods are all friction and wear tests for materials themselves, not for the field of pipeline internal detection, nor for the friction and wear test of the leather cup for pipeline internal detector, and do not consider the wear influence of the extrusion deformation of the leather cup in the pipeline. The test results have very limited reference value for the friction and wear estimation of the actual pipeline internal detection leather cup.

[0004] Therefore, designing a leather cup friction and wear test bench for the field of pipeline internal detection and considering the wear influence of the extrusion deformation of the leather cup in the pipeline is a technical problem to be solved by the person skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] In view of the above analysis, the utility model embodiment aims to provide a leather cup friction and wear test bench for pipeline internal detector, to solve the problem that the existing friction and wear test cannot simulate the pipeline internal environment and does not consider the wear influence of the extrusion deformation of the leather cup in the pipeline.

[0006] The purpose of the utility model is mainly realized through the following technical solutions:

[0007] A leather cup friction and wear test bench for pipeline internal detector, comprising:

[0008] A driving motor;

[0009] A friction wheel is arranged at the output end of the driving motor;

[0010] A leather cup pressing fixture is disposed opposite the friction wheel; the leather cup pressing fixture includes a leather cup fixing member and an inner diameter adjustment pad; the leather cup fixing member includes a fixing groove for fixing the leather cup and an opening for inserting a portion of the friction wheel structure, the opening being connected to the fixing groove; the inner diameter adjustment pad is clamped between the leather cup and the side wall of the fixing groove, and the leather cup and the side wall of the inner diameter adjustment pad have an interference fit;

[0011] Wherein, the friction surface of the friction wheel is located in the fixing groove, and the friction surface acts on the detection surface of the leather cup.

[0012] Furthermore, the side wall of the friction wheel serves as the friction surface, and the friction wheel is provided with a first through hole penetrating through two end surfaces of the friction wheel.

[0013] Furthermore, the friction surface is a curved surface with an opening facing the leather cup fixing member, and the circle where the friction surface is located and the circle where the detection surface is located are concentric circles.

[0014] Furthermore, it also includes a bracket assembly for fixing the leather cup pressing tool, and the bracket assembly includes:

[0015] First bracket;

[0016] a second bracket, disposed opposite to the first bracket;

[0017] Cushion blocks, two of the cushion blocks are respectively fixed on the upper portion of the first bracket and the upper portion of the second bracket;

[0018] Wherein, the lower part of the leather cup fixing piece is fixed to the two pads.

[0019] Furthermore, a second through hole is formed on the first bracket;

[0020] A third through hole is formed on the second bracket at a position corresponding to the second through hole.

[0021] Furthermore, it also includes a rotating shaft, which is inserted into the first through hole and fixedly connected to the friction wheel; one end of the rotating shaft is rotatably fixed to the second through hole, and the other end of the rotating shaft is rotatably passed through the third through hole and connected to the output end of the drive motor.

[0022] Furthermore, it also includes a reducer arranged at the output end of the driving motor, and the output end of the reducer is connected to the other end of the rotating shaft through a coupling.

[0023] Furthermore, it also includes a motor bracket, the reducer is fixed to the vertical plate of the motor bracket, a fourth through hole is opened on the vertical plate, and the output end of the reducer is connected to the coupling through the fourth through hole.

[0024] Further, the base is further included;

[0025] The lower end of the first support, the lower end of the second support and the horizontal plate of the motor support are fixed on the base.

[0026] Further, the leather cup fixing piece is provided with an observation hole.

[0027] Compared with the prior art, the utility model at least can realize following beneficial effects one:

[0028] (1) the utility model discloses a pipeline internal detector leather cup's friction and abrasion test platform, including driving motor, friction wheel and leather cup pressure tool, and leather cup pressure tool utilizes leather cup fixing piece and inner diameter adjusting pad to simulate the extrusion environment of leather cup in pipeline, and the leather cup that is fixed to leather cup fixing piece under extrusion state is rubbed by friction wheel, and the friction and abrasion test result of its leather cup is same with the actual pipeline internal detection leather cup friction and abrasion, and the test result can be directly applied to practical engineering.

[0029] (2) the utility model discloses a pipeline internal detector leather cup's friction and abrasion test platform, and friction wheel is oppositely arranged with leather cup pressure tool, and the circle of the friction surface of friction wheel and the circle of the detection surface of leather cup are concentric circles, and the friction surface of friction wheel simulates the contact situation of the contact surface of pipeline wall and leather cup, and the detection surface of leather cup is detected, to guarantee the accuracy and authenticity of test result.

[0030] (3) the utility model discloses a pipeline internal detector leather cup's friction and abrasion test platform, and inner diameter adjusting pad is provided with multiple groups, and each group has different thickness, and in the test, the leather cup of different sizes uses the inner diameter adjusting pad of different thickness;Meanwhile, multiple groups of cushion blocks are provided, and each group has different thickness, and multiple groups of friction wheels are provided, and the friction surface and the radius of cylinder of each group are different, and by replacing the cushion block and friction wheel of different sizes, the distance between the friction surface and the center of concentric circle is changed, and the friction surface of friction wheel acts on the detection surface of leather cup of different sizes, and the contact friction degree between friction surface and detection surface can be adjusted simultaneously, so that the friction and abrasion test platform can be adapted to the leather cup of different sizes, and the abrasion condition of leather cup in the target pipeline of different sizes can be detected.

[0031] (4) the utility model discloses a pipeline internal detector leather cup's friction and abrasion test platform, and the structure is simple, and the space adaptability is strong, and the friction and abrasion test of pipeline internal detection leather cup can be completed in small space.

[0032] The above technical solutions can be combined with each other to realize more preferred combination solutions. BRIEF DESCRIPTION OF DRAWINGS

[0033] The drawings are only for the purpose of illustrating specific embodiments and are not considered as limiting the present application, and in the whole drawings, the same reference signs represent the same components.

[0034] Fig. 1 A structure schematic view of a friction and wear test bench for a leather cup of a pipeline internal detector according to an embodiment of the present application;

[0035] Fig. 2 A front view of a friction and wear test bench for a leather cup of a pipeline internal detector according to an embodiment of the present application;

[0036] Fig. 3 A side sectional view of a friction and wear test bench for a leather cup of a pipeline internal detector according to an embodiment of the present application.

[0037] Reference signs:

[0038] 1 - drive motor; 2 - friction wheel; 3 - leather cup pressing tool; 31 - leather cup fixing part; 311 - fixing groove; 312 - opening; 313 - observation hole; 32 - inner diameter adjusting pad; 4 - support assembly; 41 - first support; 42 - second support; 43 - pad; 5 - rotating shaft; 6 - speed reducer; 7 - motor support; 8 - base; 9 - coupling; 10 - leather cup. DETAILED DESCRIPTION

[0039] The preferred embodiments of the present application will be described in detail below with reference to the drawings, wherein the drawings constitute a part of the present application and are used to explain the principles of the present application together with the embodiments of the present application, and are not used to limit the scope of the present application.

[0040] As shown in a specific embodiment of the present application, Figs. 1 to 3 a friction and wear test bench for a leather cup of a pipeline internal detector is disclosed, which comprises:

[0041] a drive motor 1;

[0042] a friction wheel 2 arranged at an output end of the drive motor 1;

[0043] A leather cup pressing tool 3 is arranged opposite to the friction wheel 2; the leather cup pressing tool 3 comprises a leather cup fixing member 31 and an inner diameter adjusting pad 32; the leather cup fixing member 31 comprises a fixing groove 311 for fixing the leather cup 10 and an opening 312 for embedding part of the structure of the friction wheel 2, the opening 312 is communicated to the fixing groove 311; the inner diameter adjusting pad 32 is clamped between the leather cup 10 and the side wall of the fixing groove 311, and the leather cup 10 is in interference fit with the side wall of the inner diameter adjusting pad 32.

[0044] The friction surface of the friction wheel 2 is located in the fixing groove 311, and the friction surface acts on the detection surface of the leather cup 10.

[0045] In the embodiment, the friction and wear test bench for the leather cup used in the pipeline detector comprises a driving motor 1, a friction wheel 2 and a leather cup pressing tool 3; the leather cup pressing tool 3 simulates the squeezed environment of the leather cup 10 in the pipeline by using the leather cup fixing member 31 and the inner diameter adjusting pad 32; the friction wheel 2 is embedded into the opening 312 of the leather cup fixing member 31, so that the friction surface of the friction wheel 2 directly acts on the detection surface of the leather cup 10; the friction wheel 2 rubs the leather cup 10 fixed in the leather cup fixing member 31 in the squeezed state, and the test result of the friction and wear of the leather cup 10 is the same as that of the actual friction and wear of the leather cup used in the pipeline detector, and the test result can be directly applied to the actual engineering.

[0046] In the embodiment, the leather cup 10 is fixed into the leather cup fixing member 31 by screws. The shape of the fixing groove 311 matches the leather cup 10, the middle part is in the shape of a bowl, and the surface is smooth.

[0047] In the embodiment, a plurality of inner diameter adjusting pads 32 can be arranged, the thicknesses of the plurality of inner diameter adjusting pads 32 are different, different thicknesses of the inner diameter adjusting pads 32 can be used according to the size of the leather cup 10 to meet the squeezing of the leather cup 10 of different sizes; at the same time, different thicknesses of the inner diameter adjusting pads 32 can be used for the same leather cup 10 to complete the friction and wear test under different degrees of squeezing.

[0048] In the embodiment, the friction surface of the friction wheel 2 can be adjusted in surface roughness by different surface treatment methods to explore the friction and wear of the leather cup 10 under different roughnesses.

[0049] In the embodiment, the friction wheel 2 is a cylinder, the side wall of the friction wheel 2 is the friction surface, and a first through hole is formed in the friction wheel 2 and penetrates two end faces of the friction wheel 2.

[0050] The friction surface is a curved surface with the opening facing the leather cup fixing member 31, and the circle where the friction surface is located is concentric with the circle where the detection surface is located.

[0051] The friction surface and the detection surface are maximally attached to each other to simulate the contact and friction between the inner wall of the pipeline and the leather cup 10, so as to ensure the accuracy and authenticity of the test results.

[0052] In the embodiment, the friction and wear test bench for the pipeline inner detector leather cup further comprises a support assembly 4 for fixing the leather cup pressing tool 3, which comprises:

[0053] A first support 41, a second through hole is formed in the first support 41;

[0054] A second support 42 is arranged opposite to the first support 41, and a third through hole is formed in the second support 42 at a position corresponding to the second through hole;

[0055] A pad 43 is fixed to the upper part of the first support 41 and the upper part of the second support 42, respectively.

[0056] In the embodiment, a rotating shaft 5 is inserted into the first through hole, one end of the rotating shaft 5 is rotatably fixed into the second through hole, the other end of the rotating shaft 5 is rotatably connected to the output end of the driving motor 1 through the third through hole, and the rotating shaft 5 is fixedly connected to the friction wheel 2 through a flange.

[0057] The lower part of the leather cup fixing piece 31 is fixed to the two pads 43, and one end and the other end of the rotating shaft 5 are rotatably arranged in the second through hole and the third through hole, respectively, to fix the friction wheel 2 to the support assembly 4. Bearings are arranged in the first through hole and the second through hole to fix the friction wheel 2, and the friction wheel 2 can rotate with the motor.

[0058] The leather cup fixing piece 31 and the friction wheel 2 are arranged on the support assembly 4 in a corresponding relationship, so that part of the structure of the friction wheel 2 is embedded into the opening 312 of the leather cup fixing piece 31, and the friction surface of the friction wheel 2 can directly act on the detection surface of the leather cup 10.

[0059] Each group of pads 43 comprises two pads 43, and the thickness of each group of pads 43 is different. The pads 43 with different thicknesses can adjust the relative distance between the leather cup fixing piece 31 and the friction wheel 2. When different sizes of leather cups 10 need to be tested, the thickness of the pads can be adjusted to ensure that the friction surface of the friction wheel 2 acts on the detection surface of the leather cup 10, so as to adapt to the detection of leather cups 10 with different sizes.

[0060] In the embodiment, a rotating shaft 5 and a speed reducer 6 are further included; the speed reducer 6 is arranged at the output end of the driving motor 1; and the output end of the speed reducer 6 is connected to the other end of the rotating shaft 5 through a shaft coupling 9.

[0061] According to different test requirements, the running speed of the final output of the driving motor 1 and the reducer 6 is determined.

[0062] In the embodiment, the pipe detector friction and wear test bench with the leather cup further comprises a motor support 7 which is an L-shaped plate; the reducer 6 is fixed to a vertical plate of the motor support 7, a fourth through hole is formed in the vertical plate, and an output end of the reducer 6 is connected with the coupling 9 through the fourth through hole.

[0063] The bottom plate of the motor support 7 is fixed to the base 8.

[0064] In order to ensure the stability of the leather cup friction and wear test, the driving motor 1 is connected to the reducer 6, the reducer 6 is fixed to the motor support 7, and the motor support 7 is further fixed to the base 8, and a reinforcing plate is arranged at the bending position of the L-shaped plate of the motor support 7 to provide stability.

[0065] In the embodiment, an observation hole 313 is formed in the leather cup fixing member 31.

[0066] An operator can observe the test situation of the leather cup 10 from the observation hole 313.

[0067] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A friction and wear test bench for a leather cup used for an in-pipe detector, characterized in that: include: Drive motor (1); a friction wheel (2) arranged at the output end of the drive motor (1); A leather cup pressing tool (3) is arranged opposite to the friction wheel (2); the leather cup pressing tool (3) includes a leather cup fixing part (31) and an inner diameter adjustment pad (32); the leather cup fixing part (31) includes a fixing groove (311) for fixing the leather cup (10) and an opening (312) for embedding a partial structure of the friction wheel (2), and the opening (312) is connected to the fixing groove (311); the inner diameter adjustment pad (32) is clamped between the leather cup (10) and the side wall of the fixing groove (311), and the leather cup (10) and the side wall of the inner diameter adjustment pad (32) are interference fit; The friction surface of the friction wheel (2) is located in the fixing groove (311), and the friction surface acts on the detection surface of the leather cup (10).

2. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 1, characterized in that: The side wall of the friction wheel (2) is the friction surface, and the friction wheel (2) is provided with a first through hole penetrating the two end surfaces of the friction wheel (2).

3. The friction and wear test bench for the leather cup used for the in-pipe detector according to claim 2, characterized in that: The friction surface is a curved surface with an opening facing the leather cup fixing member (31), and the circle where the friction surface is located and the circle where the detection surface is located are concentric circles.

4. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 2, characterized in that: It also includes a bracket assembly (4) for fixing the leather cup pressing tool (3), and the bracket assembly (4) includes: a first bracket (41); a second bracket (42), which is arranged opposite to the first bracket (41); Cushion blocks (43), two of the cushion blocks (43) are respectively fixed on the upper portion of the first bracket (41) and the upper portion of the second bracket (42); Wherein, the lower portion of the leather cup fixing member (31) is fixed to the two pads (43).

5. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 4, characterized in that: A second through hole is formed on the first bracket (41); A third through hole is provided on the second bracket (42) at a position corresponding to the second through hole.

6. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 5, characterized in that: It also includes a rotating shaft (5) which is inserted into the first through hole, and the rotating shaft (5) is fixedly connected to the friction wheel (2); one end of the rotating shaft (5) is rotatably fixed to the second through hole, and the other end of the rotating shaft (5) is rotatably passed through the third through hole and connected to the output end of the drive motor (1).

7. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 6, characterized in that: It also includes a reducer (6) arranged at the output end of the drive motor (1), and the output end of the reducer (6) is connected to the other end of the rotating shaft (5) through a coupling (9).

8. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 7, characterized in that: It also includes a motor bracket (7), the reducer (6) is fixed to the vertical plate of the motor bracket (7), a fourth through hole is opened on the vertical plate, and the output end of the reducer (6) passes through the fourth through hole and is connected to the coupling (9).

9. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 8, characterized in that: Also includes a base (8); The lower end of the first bracket (41), the lower end of the second bracket (42) and the horizontal plate of the motor bracket (7) are fixed on the base (8).

10. The friction and wear test bench for the leather cup used for in-pipe detectors according to claim 1, characterized in that: An observation hole (313) is provided on the leather cup fixing member (31).

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