Tool for testing mechanical performance of wedge-shaped wire clamp

Abstract

The utility model relates to a wedge-shaped wire clamp mechanical performance test tool, which belongs to the technical field of electrical equipment testing, and is characterized in that when the wedge-shaped wire clamp mechanical performance test tool is used for carrying out a stress test on a wedge-shaped strain clamp, a pull rod is arranged on a base, and the test tool is inserted into a wedge-shaped shell; the parallel section of the test tool is inserted from the bottom of the mounting opening of the wedge-shaped shell, the upper plate body is exposed from the top socket of the wedge-shaped shell after insertion, and the wedge-shaped section is embedded into the wedge-shaped shell; a hook is connected to a top hanging hole in the top of the parallel section, the hook is connected with a traction mechanism, the traction mechanism pulls the test tool upwards, the bottom of a pull rod is connected with the hook, the hook is connected with the traction mechanism, the pull rod is pulled downwards, and test tension is applied to a load value specified by a product standard from two opposite directions. When various indexes of the wedge-shaped strain clamp meet standard requirements, the wedge-shaped strain clamp is qualified, and a stress test is performed before the wedge-shaped strain clamp is put into use, so that the use effect of the wedge-shaped strain clamp is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power equipment test, specifically, the utility model relates to a wedge type wire clamp mechanical property test tool. BACKGROUND

[0002] The wedge strain clamp locks the optical cable in the clamp by wedge structure, and the wedge strain clamp is a commonly used power fitting, in order to ensure that the mechanical property of the wedge strain clamp meets the use requirement, the mechanical property test needs to be carried out on the wedge strain clamp, the mechanical property test of the wedge strain clamp is to apply load to the specified mechanical damage load at a steady speed, keep for 60s, and then unload, and the permanent deformation of the wedge strain clamp is measured, then the load is gradually applied to the nominal breaking load of the wedge strain clamp again, keep for 60s, and then the load is applied until the wedge strain clamp is damaged, if the load reaches 1.2 times of the nominal breaking load, the wedge strain clamp is not damaged, and the test can be stopped at this time, when the mechanical damage load is reached, the wedge strain clamp does not appear permanent deformation, and when the nominal breaking load is reached, the fitting is not damaged, and the test is passed.

[0003] In the prior art, the tool for the mechanical property test of the wedge strain clamp is not disclosed, therefore, it is necessary to design and produce a tool suitable for the mechanical property test of the wedge strain clamp. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the problems in the background art, the utility model discloses a wedge strain clamp mechanical property test tool, when the wedge strain clamp mechanical property test tool carries out the stress test of the wedge strain clamp, the pull rod is installed at the base, the test tool is inserted into the wedge-shaped shell, the parallel section of the test tool is inserted from the bottom of the wedge-shaped shell mounting port, the upper plate body is exposed from the top port of the wedge-shaped shell after insertion, and the wedge-shaped section is embedded in the wedge-shaped shell, when the stress test is operated, the connecting hook at the top hanging hole at the top of the parallel section is connected with the pulling mechanism, the pulling mechanism pulls the test tool upward, the wedge-shaped section rises with the parallel section in the pulling process, due to the wedge structure of the wedge-shaped section, the wedge-shaped section is clamped in the wedge-shaped shell and generates the outward expansion force along with the pulling of the pulling mechanism, so that the stress intensity of the wedge-shaped shell is tested, the pull rod bottom is connected with the hook, the hook is connected with the pulling mechanism, the pull rod is pulled downward, the test tension is applied from the opposite two directions to the load value specified in the product standard, the indexes of the wedge strain clamp meet the standard requirement, that is, the wedge strain clamp is qualified, and the stress test is carried out before the wedge strain clamp is put into use, so as to ensure the use effect of the wedge strain clamp.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical schemes:

[0006] The mechanical property test tool of the wedge type wire clamp is characterized in that it comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section; the wedge-shaped shell is arranged on the top surface of the base, the pull rod is connected with the base, the top end of the test tool is inserted into the wedge-shaped shell from the bottom of the wedge-shaped shell, the parallel section and the wedge-shaped section are integrally formed to form the test tool, the top of the parallel section is connected with a pulling mechanism, and the bottom of the pull rod is connected with the pulling mechanism.

[0007] As preferred, it comprises a wedge-shaped shell mounting port; the wedge-shaped shell mounting port is a through hole arranged at the center of the top surface of the base.

[0008] As preferred, it comprises a left connecting piece and a right connecting piece; the left connecting piece and the right connecting piece are arranged on the left and right sides of the base.

[0009] As preferred, it comprises a hanger port; the hanger port is arranged on the top surface of the left connecting piece and the right connecting piece, and is a through hole arranged on the top surface of the left connecting piece and the right connecting piece.

[0010] As preferred, it comprises a left end and a right end; the pull rod is a U-shaped pull rod, and the left end and the right end are respectively connected with the two top ends of the pull rod.

[0011] As preferred, it comprises a top connecting port and a nut; the top connecting port is arranged on the outer surface of the left end and the right end, and the nut is threadedly connected and arranged on the periphery of the top connecting port.

[0012] As preferred, the parallel section is a square body, and the wedge-shaped section is a wedge-shaped body matched with the internal space of the wedge-shaped shell.

[0013] As preferred, it comprises a top hanging hole; the top hanging hole is arranged at the center of the front surface of the parallel section.

[0014] As preferred, it comprises a bottom hanging hole; the bottom hanging hole is arranged on the front surface of the wedge-shaped section.

[0015] As preferred, it comprises an expansion port; the expansion port is arranged on the front surface of the wedge-shaped shell.

[0016] The beneficial effects of this utility model are as follows: When the wedge-shaped tension clamp mechanical performance testing fixture is used to test the force of the wedge-shaped tension clamp, the pull rod is installed at the base, and the testing fixture is inserted into the wedge-shaped shell. The parallel section of the testing fixture is inserted from the bottom of the installation opening of the wedge-shaped shell. After insertion, the upper plate protrudes from the top insertion opening of the wedge-shaped shell, and the wedge-shaped section is embedded in the wedge-shaped shell. During the force test operation, the connecting hook at the top hanging hole at the top of the parallel section is connected to the pulling mechanism. The pulling mechanism pulls the testing fixture upward. The wedge-shaped section rises along with the parallel section. Due to the wedge-shaped structure of the wedge-shaped section, as the traction mechanism pulls, the wedge-shaped section is stuck inside the wedge-shaped shell, generating an outward expansion force, thereby testing the stress strength of the wedge-shaped shell. The bottom of the pull rod is connected to a hook, which is connected to the traction mechanism. Pulling the pull rod downward, the test tension is applied from two opposite directions to the load value specified in the product standard. If all indicators of the wedge-shaped tension clamp meet the standard requirements, it is qualified. The wedge-shaped tension clamp is subjected to a stress test before being put into use to ensure the performance of the wedge-shaped tension clamp. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the experimental fixture.

[0019] Figure 3 This is a schematic diagram of the structure of a wedge-shaped tension clamp;

[0020] Figure 4 This is a structural diagram of the base.

[0021] In the figure, the components are: 1. wedge-shaped tension clamp; 2. base; 3. wedge-shaped outer shell; 4. tie rod; 5. test fixture; 6. parallel section; 7. wedge-shaped section; 8. top hanging hole; 9. bottom hanging hole; 10. hook; 11. left end; 12. right end; 13. top connection port; 14. nut; 15. expansion port; 16. top insertion port; 17. bottom insertion port; 18. left connection end; 19. right connection end; 20. hanger insertion port; and 21. wedge-shaped outer shell mounting port. Detailed Implementation

[0022] To make the above objectives, technical solutions and beneficial effects clearer and more explicit, the present invention will be described in detail below with reference to the accompanying drawings.

[0023] like Figures 1-4 As shown, the wedge-shaped wire clamp mechanical performance testing fixture includes: a wedge-shaped tension clamp 1, a base 2, a wedge-shaped outer shell 3, a pull rod 4, a testing fixture 5, and a parallel section 6;

[0024] The wedge-shaped line clamp comprises a base 2, a wedge-shaped shell 3 and a pull rod 4; the wedge-shaped shell 3 is arranged on the top surface of the base 2, the pull rod 4 is connected with the base 2, the top surface of the wedge-shaped shell 3 is provided with a top socket 16, the bottom surface of the wedge-shaped shell 3 is provided with a bottom socket 17, and the front surface of the wedge-shaped shell 3 is provided with an expansion port 15; the left and right sides of the body of the base 2 are provided with a left connecting end 18 and a right connecting end 19, the top surfaces of the left and right connecting ends 18 and 19 are provided with a top connecting port 13, the top connecting port 13 is a through hole on the top surfaces of the left and right connecting ends 18 and 19, the top surface of the base 2 is provided with a wedge-shaped shell mounting port 21, the wedge-shaped shell mounting port 21 is a through hole on the top surface of the base 2, the wedge-shaped shell 3 is welded on the top surface of the wedge-shaped shell mounting port 21 of the base 2, and the bottom socket 17 coincides with the wedge-shaped shell mounting port 21; the pull rod 4 is a U-shaped pull rod 4, the top of the pull rod 4 is provided with a left end 11 and a right end 12, the outer surfaces of the left and right ends 11 and 12 of the pull rod 4 are provided with a top connecting port 13, the top connecting port 13 is a threaded connecting port, the left and right ends 11 and 12 of the pull rod 4 are inserted into the hanger socket 20 from the bottom surfaces of the left and right connecting ends 18 and 19 on the two sides of the base 2, a nut 14 is installed after the pull rod 4 is inserted, the nut 14 is threadedly connected and installed around the top connecting port 13, the pull rod 4 is connected with the base 2, the pull rod 4 moves up and down on the left and right sides of the base 2, and the bottom of the pull rod 4 is connected with a hook 10;

[0025] The test tool 5 comprises a parallel section 6 and a wedge-shaped section 7, the test tool 5 is inserted into the wedge-shaped shell 3 from the bottom surface of the base 2, the parallel section 6 of the test tool 5 is exposed from the top socket 16 of the wedge-shaped shell 3, the wedge-shaped section 7 is exposed from the bottom socket 17 of the wedge-shaped shell 3, the front surface of the parallel section 6 is provided with a top hanging hole 8, the bottom front surface of the wedge-shaped section 7 is provided with a bottom hanging hole 9, and the pipe diameter of the wedge-shaped shell 3 is narrow at the top and wide at the bottom; the parallel section 6 is a square body, the wedge-shaped section 7 is a wedge-shaped body matched with the internal space of the wedge-shaped shell 3, the parallel section 6 and the wedge-shaped section 7 are integrally formed, the top hanging hole 8 is connected with a pulling mechanism, and the bottom hanging hole 9 is provided with a hook 10;

[0026] When the mechanical performance test tool of the wedge type clamp is used to test the force of the wedge strain clamp 1, the pull rod 4 is installed at the base 2, the overall structure of the wedge strain clamp 1 is checked to be normal and undamaged, after the check, the test tool 5 is inserted into the wedge shell 3, the parallel section 6 of the test tool 5 is inserted from the bottom surface of the wedge shell installation port 21, after the insertion, the parallel section 6 is exposed from the top port 16 of the wedge shell 3, and the wedge section 7 is embedded in the wedge shell 3; when the force test is operated, the hook 10 is connected at the top hanging hole 8 of the top of the parallel section 6, the hook 10 is connected with the pulling mechanism, the pulling mechanism pulls the test tool 5 upwards, in the pulling process, the wedge section 7 rises with the parallel section 6, due to the wedge structure of the wedge section 7, with the pulling of the pulling mechanism, the wedge section 7 is clamped in the wedge shell 3, the hook 10 is connected at the bottom of the pull rod 4, the hook 10 is connected with the pulling mechanism, the pulling mechanism pulls the pull rod 4 downwards, another direction of pulling force is generated, the test pulling force is applied to the product standard specified load value from the opposite two directions, the indexes of the wedge strain clamp 1 meet the standard requirements, that is, qualified, after the test operation is completed, the top of the parallel section 6 and the bottom of the pull rod 4 are detached from the pulling mechanism, after the parallel section 6 and the pull rod 4 are detached, the test tool 5 is pulled out from the wedge shell 3 from the bottom hanging hole 9 of the wedge section 7, the pulling mechanism can be selected as a horizontal tension machine, before the wedge strain clamp 1 is put into use, the force test is carried out, so as to ensure that the mechanical performance of the wedge strain clamp 1 meets the use requirements.

[0027] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.

Claims

1. A mechanical performance test tool for wedge-type wire clips, characterized by, The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section. The wedge-shaped shell is arranged on the top surface of the base, the pull rod is connected to the base, the top end of the test tool is inserted into the wedge-shaped shell from the bottom of the wedge-shaped shell, the parallel section and the wedge-shaped section are integrally formed to form the test tool, the top of the parallel section is connected to a pulling mechanism, and the bottom of the pull rod is connected to the pulling mechanism.

2. The mechanical performance test tool for wedge-type wire anchor according to claim 1, characterized in that: The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section. The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section.

3. The mechanical performance test fixture for wedge-type wire anchor according to claim 1, wherein: The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section. The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section.

4. The mechanical performance test fixture for wedge-type wire anchor according to claim 3, wherein: The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section. The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section.

5. The mechanical performance test fixture for wedge-type wire anchors as defined in claim 1, wherein: The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section.

6. The mechanical performance test fixture for wedge-type wire anchors as defined in Claim 5, wherein: The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section. The utility model relates to a test device for testing the tensile strength of a cable, which comprises a base, a pull rod, a wedge-shaped shell, a test tool, a parallel section and a wedge-shaped section.

7. The mechanical performance test fixture for wedge-type wire anchors as defined in Claim 1, wherein: ​ 8. The mechanical performance test fixture for wedge-type wire anchor according to claim 1, wherein: ​ ​ ​ 9. The mechanical performance test fixture for wedge-type wire anchors as defined in Claim 1, wherein: ​ ​ 10. The mechanical performance test fixture for wedge-type wire anchors as defined in claim 1, wherein: ​ ​

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