Insulator tension test tool

Abstract

The utility model provides an insulator tension test tool, which belongs to the insulator detection field, and comprises a rack, the center of the upper end face of the rack is rotatably connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a mounting plate, the rack is internally provided with a rotating structure, the upper end face of the mounting plate is symmetrically and fixedly connected with two clamping blocks, and the upper end face of the mounting plate is fixedly connected with the two clamping blocks. Bottom blocks are arranged in the two clamping blocks, top blocks are arranged right above the bottom blocks, an insulator body is arranged between the bottom blocks and the top blocks, and a pull block is arranged outside the top block on the left side. According to the utility model, through the arrangement of the rotating shaft, the mounting plate, the rotating structure, the clamping block, the bottom block, the top block, the first telescopic cylinder and the tension-compression sensor, the tension test can be continuously carried out on the insulator, and the next insulator is assembled during the tension test, so that the efficiency of the tension test of the insulator is remarkably improved; the problem of low test efficiency caused by low continuity in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the field of insulator detection, in particular to an insulator tension test tool. Background Art

[0002] Insulators are an important component of the power system, used to support and fix the conductors and maintain electrical insulation between the conductors and the supporting structure. The performance of insulators directly affects the safe and stable operation of the power system. To ensure the quality of insulators, tensile tests are required to test their ability to withstand mechanical stress.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN201721576855.4 discloses an insulator tensile test fixture, which includes a U-shaped seat, a left pull rod and a right pull rod, wherein the left pull rod and the right pull rod are coaxially connected to the two sides of the U-shaped seat respectively; the left pull rod is a ball-head pull rod and is matched with the iron cap of the insulator, one end of the right pull rod is provided with a spherical groove for matching the insulator, and the other end of the right pull rod is provided with an external thread for connecting the tensile machine; however, the following defects still exist:

[0004] (1) The existing technology does not provide a strong continuity in the tensile test of insulators. It is necessary to remove the previous insulator and install the next insulator before the tensile test can be performed, which reduces the efficiency of the tensile test.

[0005] The test fixtures in the prior art are not convenient for performing tension tests on insulators of different sizes, and have a low degree of automation and poor flexibility.

[0006] Therefore, we made improvements to this and proposed an insulator tensile test tool. Utility Model Content

[0007] The utility model aims to solve the problems that the existing tension test tooling has poor continuity and is inconvenient to test insulators of different lengths.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] Insulator tensile test fixture is used to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The cam is provided with a plurality of movable parts, and the movable part has two movable parts, and the movable part has two movable parts.

[0012] As a preferred technical solution of the utility model, the rotating structure includes a driven bevel gear fixed at the bottom end of the rotating shaft, a fixed block is fixedly connected in the frame, a connecting shaft is rotatably connected to the fixed block, the inner end of the connecting shaft is fixedly connected to an active bevel gear meshing with the driven bevel gear, the outer end of the connecting shaft is fixedly connected to a transmission gear, a second telescopic cylinder is fixedly connected in the frame, and the driving end of the second telescopic cylinder is fixedly connected to a rack meshing with the transmission gear.

[0013] As a preferred technical solution of the utility model, a convex strip is fixedly connected to the lower end surface of the rack, a slide rail is slidably connected to the outside of the convex strip, and the slide rail is fixedly connected to the frame.

[0014] As a preferred technical solution of the utility model, one end of the movable plate away from the threaded rod is slidably connected to a guide rod, and the upper and lower ends of the guide rod are respectively fixedly connected to the side plates of the bracket.

[0015] As a preferred technical solution of the present invention, support feet are fixedly connected to the four corners of the lower end surface of the frame.

[0016] As a preferred technical solution of the utility model, the front and rear side walls of the card block are rotatably connected to a limiting plate, the outer side wall of the limiting plate is fixedly connected to a hand-held column, and the front and rear side walls of the card block are fixedly connected to a connecting sleeve matching the limiting plate.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the setting of the rotating shaft, mounting plate, rotating structure, clamping block, bottom block, top block, first telescopic cylinder and tension and compression sensor, the tensile test of the insulator is realized continuously. When the tensile test is carried out, the next insulator is assembled, which significantly improves the efficiency of the insulator tensile test and solves the problem of low test efficiency caused by weak continuity in the prior art;

[0020] 2. Through the provision of the threaded rod, the motor, the movable plate, the first telescopic cylinder and the tension and compression sensor, the tension test of insulators of different lengths can be realized, the scope of application is improved, the degree of automation is high, and the problem of the inconvenience of performing tension tests on insulators of different lengths in the prior art is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The overall structural diagram of the insulator tension test tool provided by the utility model;

[0022] Figure 2 A schematic diagram of the rear structure of the insulator tension test tool provided by the utility model;

[0023] Figure 3 A schematic diagram of the rotating structure of the insulator tension test fixture provided by the utility model;

[0024] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;

[0025] Figure 5 The utility model provides Figure 3 The enlarged view of point B in the middle;

[0026] Figure 6 The utility model is a schematic diagram of the rear view planar structure of the insulator tension test tooling provided by the utility model.

[0027] Indicated in the figure:

[0028] 1. Frame; 2. Rotating shaft; 3. Mounting plate; 4. Rotating structure; 401. Driven bevel gear; 402. Fixed block; 403. Connecting shaft; 404. Active bevel gear; 405. Transmission gear; 406. Second telescopic cylinder; 407. Rack; 408. Raised strip; 409. Slide rail; 5. Block; 6. Bottom block; 7. Top block; 8. Insulator body; 9. Pull block; 10. Bracket; 11. Threaded rod; 12. Motor; 13. Moving plate; 14. First telescopic cylinder; 15. Tension and compression sensor; 16. Guide rod; 17. Support foot; 18. Limiting piece; 19. Hand-held column; 20. Connecting sleeve. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the present embodiment proposes an insulator tension test fixture, including a frame 1, a rotating shaft 2 is rotatably connected at the center of the upper end surface of the frame 1, a mounting plate 3 is fixedly connected to the top of the rotating shaft 2, a rotating structure 4 is arranged inside the frame 1, which is convenient for driving the mounting plate 3 to rotate, so as to facilitate continuous testing of the insulator and improve the efficiency of the test, the upper end surface of the mounting plate 3 is symmetrical and fixedly connected with two clamping blocks 5, the two clamping blocks 5 are each provided with a bottom block 6, a top block 7 is arranged directly above the bottom block 6, an insulator body 8 is arranged between the bottom block 6 and the top block 7, the insulator is conveniently installed through the bottom block 6 and the top block 7, so as to facilitate its assembly and tension test, a pulling block 9 is arranged outside the left top block 7, and the frame 1 is symmetrically and fixedly connected with two brackets 10 on the upper end surface, a threaded rod 11 is rotatably connected to the right bracket 10, a motor 12 is fixedly connected to the bottom of the right bracket 10, and the driving end of the motor 12 is fixedly connected to the bottom end of the threaded rod 11, a movable plate 13 is threadedly connected to the threaded rod 11, and the rotation of the threaded rod 11 driven by the motor 12 makes the movable plate 13 move up and down, so as to facilitate the testing of insulators of different lengths, a first telescopic cylinder 14 is fixedly connected to the left side of the upper end surface of the movable plate 13, the driving end of the first telescopic cylinder 14 penetrates the movable plate 13 and is fixedly connected with a tension and compression sensor 15, and the bottom end of the tension and compression sensor 15 is fixedly connected to the upper end surface of the pull block 9, so as to automatically perform a tension test on the insulator.

[0031] like Figure 1 , Figure 3 and Figure 4As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the rotating structure 4 includes a driven bevel gear 401 fixed at the bottom end of the rotating shaft 2, a fixed block 402 is fixedly connected in the frame 1, a connecting shaft 403 is rotatably connected to the fixed block 402, the inner end of the connecting shaft 403 is fixedly connected to an active bevel gear 404 meshing with the driven bevel gear 401, and the outer end of the connecting shaft 403 is fixedly connected to a transmission gear 405, a second telescopic cylinder 406 is fixedly connected in the frame 1, and a driving end of the second telescopic cylinder 406 is fixedly connected to a rack 407 meshing with the transmission gear 405; the reciprocating movement of the rack 407 driven by the second telescopic cylinder 406 can rotate the transmission gear 405, and the position of the mounting plate 3 can be reciprocated to facilitate the testing of the insulator, improve the continuity of the test, and thus improve the efficiency of the test.

[0032] like Figure 1 , Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above method, further, the lower end surface of the rack 407 is fixedly connected with a protrusion 408, the protrusion 408 is slidably connected with a slide rail 409, and the slide rail 409 is fixedly connected to the frame 1; the rack 407 can slide stably.

[0033] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, one end of the movable plate 13 away from the threaded rod 11 is slidably connected to a guide rod 16, and the upper and lower ends of the guide rod 16 are respectively fixedly connected to the side plates of the bracket 10; so as to facilitate the stable up and down movement of the movable plate 13.

[0034] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, four corners of the lower end surface of the frame 1 are fixedly connected with support feet 17 to facilitate supporting the frame 1.

[0035] like Figure 1 , Figure 3 and Figure 5 As shown, as a preferred embodiment, on the basis of the above method, further, the front and rear side walls of the card block 5 are rotatably connected with a limiting plate 18, the outer side wall of the limiting plate 18 is fixedly connected with a hand-held column 19, and the front and rear side walls of the card block 5 are fixedly connected with a connecting sleeve 20 matching the limiting plate 18; this facilitates the limiting of the bottom block 6 placed in the card block 5 to ensure stability during rotation.

[0036] Specifically, when the insulator tension test tool is working / in use: first, the bottom block 6 and the top block 7 are respectively installed at the two ends of the insulator body 8, and the limit plate 18 is opened by the hand-held column 19. When the height adjustment is required, the motor 12 is started to rotate the threaded rod 11, so that the movable plate 13 is lowered to the target height, and then the assembled insulator body 8 is respectively inserted into the card block 5, and then the limit plate 18 is rotated to a horizontal state, and the top block 7 on the left is stuck in the pull block 9, and then the first telescopic cylinder 14 is driven to work, and the tension and compression sensor 15 is used to adjust the insulator. The tension test is performed. After the test is completed, the second telescopic cylinder 406 is driven to move the rack 407, so that the transmission gear 405 is rotated, and the transmission gear 405 drives the connecting shaft 403 and the active bevel gear 404 to rotate. The rotation of the active bevel gear 404 drives the driven bevel gear 401, the rotating shaft 2 and the mounting plate 3 to rotate 180 degrees, and then another insulator is put into the pulling block 9 for tension test. At the same time, the insulator that has been tested is removed, and the new insulator is installed and clamped into the clamping block 5, so as to facilitate continuous testing of the insulators and improve the test efficiency.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. An insulator tension test tool, comprising a frame (1), characterized in that: A rotating shaft (2) is rotatably connected at the center of the upper end surface of the frame (1), and a mounting plate (3) is fixedly connected to the top of the rotating shaft (2). A rotating structure (4) is provided inside the frame (1). Two clamping blocks (5) are symmetrically and fixedly connected to the upper end surface of the mounting plate (3). A bottom block (6) is provided inside each of the two clamping blocks (5), and a top block (7) is provided directly above each of the bottom blocks (6). An insulator body (8) is provided between the bottom block (6) and the top block (7), and a pull block (9) is provided outside the left side of the top block (7). The upper end surface of the frame (1) is symmetrically and fixedly connected to two brackets. (10), a threaded rod (11) is rotatably connected to the bracket (10) on the right side, a motor (12) is fixedly connected to the bottom of the bracket (10) on the right side, and the driving end of the motor (12) is fixedly connected to the bottom end of the threaded rod (11), a movable plate (13) is threadedly connected to the threaded rod (11), a first telescopic cylinder (14) is fixedly connected to the left side of the upper end surface of the movable plate (13), the driving end of the first telescopic cylinder (14) passes through the movable plate (13) and is fixedly connected to a tension and compression sensor (15), and the bottom end of the tension and compression sensor (15) is fixedly connected to the upper end surface of the pull block (9).

2. The insulator tension test tool according to claim 1, characterized in that: The rotating structure (4) comprises a driven bevel gear (401) fixed to the bottom end of the rotating shaft (2); a fixed block (402) is fixedly connected inside the frame (1); a connecting shaft (403) is rotatably connected to the fixed block (402); an inner end of the connecting shaft (403) is fixedly connected to a driving bevel gear (404) meshingly connected to the driven bevel gear (401); an outer end of the connecting shaft (403) is fixedly connected to a transmission gear (405); a second telescopic cylinder (406) is fixedly connected inside the frame (1); a driving end of the second telescopic cylinder (406) is fixedly connected to a rack (407) meshingly connected to the transmission gear (405).

3. The insulator tension test tool according to claim 2, characterized in that: The lower end surface of the rack (407) is fixedly connected to a convex strip (408), the outer side of the convex strip (408) is slidably connected to a slide rail (409), and the slide rail (409) is fixedly connected to the frame (1).

4. The insulator tension test fixture according to claim 1, characterized in that: One end of the movable plate (13) away from the threaded rod (11) is slidably connected to a guide rod (16), and the upper and lower ends of the guide rod (16) are respectively fixedly connected to the side plates of the bracket (10).

5. The insulator tension test tool according to claim 1, characterized in that: Support feet (17) are fixedly connected to the four corners of the lower end surface of the frame (1).

6. The insulator tension test tool according to claim 1, characterized in that: The front and rear side walls of the clamping block (5) are both rotatably connected to a limiting plate (18), the outer side wall of the limiting plate (18) is fixedly connected to a hand-held column (19), and the front and rear side walls of the clamping block (5) are both fixedly connected to a connecting sleeve (20) matching the limiting plate (18).

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