Insulator steel foot tensile load test tool

By designing a tensile load test fixture for insulator steel feet with an operating table and clamping components, the problems of complex assembly and poor versatility were solved, enabling rapid clamping and automated testing, thus improving testing efficiency and versatility.

CN224035090UActive Publication Date: 2026-03-24ZIGONG XINWANG ELECTRIC POWER ACCESSORIES MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing assembly operation of insulator steel feet is complicated, the testing efficiency is low, which is not conducive to large-scale production and testing. In addition, different specifications and sizes of insulator steel feet require the design of different specifications and sizes of fixtures, resulting in poor tooling versatility.

Method used

A tensile load testing fixture was designed, comprising an operating table, a fixed plate, a sliding plate, and first and second clamping assemblies. By rotating the rotating handle, the turntable and rocker arm are driven to quickly clamp the steel feet of insulators of different specifications and sizes. Combined with the hydraulic telescopic rod, tensile load is applied to achieve automated testing.

Benefits of technology

It enables rapid clamping and automated tensile load testing of insulator steel feet of different specifications and sizes, improving testing efficiency, enhancing the versatility of tooling, and making it suitable for large-scale production testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an insulator steel foot tensile load test tool, and relates to the technical field of insulator steel foot detection equipment, and the insulator steel foot tensile load test tool comprises an operation table which is provided with a first sliding groove, and also comprises a fixed plate which is fixedly connected to the inner wall of the first sliding groove; the sliding plate is slidably connected to the inner wall of the first sliding groove; the first clamping assembly is mounted on the outer wall of the side, opposite to the sliding plate, of the fixed plate; the second clamping assembly is installed on the outer wall of the side, opposite to the fixed plate, of the sliding plate. Through the arrangement of the clamping assembly, insulator steel feet of different specifications and sizes can be rapidly and stably clamped, operation is simple, the overall efficiency of test operation can be remarkably improved, meanwhile, the application range of the tool is greatly expanded through the flexible and efficient clamping characteristic, and the tool is suitable for popularization and application. And therefore, the insulator steel pin fixing device can show excellent universality and adaptability when facing different types of insulator steel pins.
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Description

TECHNICAL FIELD

[0001] The utility model relates to insulator steel foot detection equipment technical field, specifically, relate to a kind of insulator steel foot tensile load test tool. BACKGROUND

[0002] Insulator is important insulating component in power system, porcelain insulator not only has good electrical performance, but also has sufficient mechanical performance, so-called mechanical performance of porcelain insulator refers to the performance that insulator can resist certain external force damage in the process of application, not only can realize certain tensile, compression resistance, but also can realize bending performance, so as to resist mechanical impact force and other external forces in the operation process of transmission line, to ensure the safe and stable operation of transmission line. As a key component of insulator, the mechanical performance of insulator steel foot has crucial influence on the overall performance and reliability of insulator, and its tensile load performance needs to be tested in the production process and quality detection link of insulator steel foot, to ensure that it meets relevant standards and use requirements.

[0003] After retrieval, in the prior art, the Chinese patent with patent application number CN216955461U discloses "a suspension insulator steel foot tensile load test tool", which comprises a cone head clamp, a bearing device and a cap socket; the cone head clamp comprises two symmetrical clamp blocks, the inside of the cone head clamp is provided with grooves matched with the steel foot cone head and steel foot rod of the steel foot, and the grooves of the two clamp blocks are used for clamping the steel foot cone head and steel foot rod; the outer side of the cone head clamp is provided with a boss in circumference; the bearing device is in hollow structure, the side wall of the bearing device is provided with a mounting port for mounting the cone head clamp and the steel foot; the inside of the bearing device is provided with a groove, and the boss of the cone head clamp is in contact with the groove of the bearing device; the upper end face of the bearing device is fixedly connected with a tensile load testing machine; the cap socket is in hollow structure, the side wall of the cap socket is provided with a mounting port for mounting the foot ball of the steel foot; the inside of the cap socket is provided with a groove in contact with the foot ball; and the lower end face of the cap socket is fixedly connected with the tensile load testing machine. But there are still the following defects:

[0004] In the above patent document, the assembly operation of the insulator steel foot is complex, the test efficiency is low, which is not conducive to large-scale production detection, and different sizes of clamps need to be designed for different sizes of insulator steel foot, which needs to be replaced during use, and the universality of the tool is poor.

[0005] Therefore, we improve it and propose an insulator steel foot tensile load test tool. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at: for the current existence's assembly operation complex of insulator steel foot, test efficiency is lower, is unfavorable to large -scale production detection, simultaneously, the insulator steel foot of different specification size needs to design different specification size's clamp, replaces when using, and the commonality of tooling is poorer problem.

[0007] In order to realize the utility model purposes above, the utility model provides the following technical schemes:

[0008] Insulator steel foot tensile load test tool improves the above -mentioned problem.

[0009] The application is specifically as follows:

[0010] Including operation platform, the operation platform is seted up with first sliding slot, still includes:

[0011] Fixed plate, the fixed plate fixedly connected in the inner wall of first sliding slot;

[0012] Sliding plate, the sliding plate slidingly connected in the inner wall of first sliding slot;

[0013] First clamping assembly, the first clamping assembly is installed on the outer wall of the opposite side of fixed plate and sliding plate;

[0014] Second clamping assembly, the second clamping assembly is installed on the outer wall of the opposite side of sliding plate and fixed plate.

[0015] As the preferred technical scheme of the application, the first clamping assembly includes three bases fixedly connected on the side wall of the fixed plate, the second sliding slot seted up on the base, the sliding block slidingly connected in the inner wall of the second sliding slot, the swing rod fixedly connected in the end of the sliding block away from the base, the clamping block fixedly connected in the swing end of the swing rod, the turntable fixedly connected in the side wall of the clamping block, the ratchet wheel fixedly connected in the end of the turntable away from the clamping block, the connecting rod fixedly connected in the side wall of the fixed plate and the pawl fixedly connected in the end of the connecting rod away from the fixed plate, and the ratchet wheel and the pawl are rotationally matched.

[0016] As the preferred technical scheme of the application, the outer wall of the sliding plate is installed with the second clamping piece, and the second clamping assembly and the first clamping assembly are the same in structure.

[0017] As the preferred technical scheme of the application, the inner side wall close to the sliding plate of the first sliding slot is fixedly connected with the hydraulic telescopic rod, and the telescopic end of the hydraulic telescopic rod is fixedly connected with the sliding plate.

[0018] As the preferred technical scheme of the application, the side wall of the operation platform is fixedly connected with the control console, and the side wall of the turntable is fixedly connected with the rotation handle.

[0019] The bottom of the operation table is fixedly connected with supporting legs.

[0020] Compared with the prior art, the utility model has the beneficial effects of:

[0021] In the scheme of the application:

[0022] Through the clamping assembly, the cone head of the insulator steel foot to be tested for tensile load is placed in the rotating disc, the rotating handle is rotated to drive the rotating disc to rotate, and then the swing rod is moved upward, the sliding block is moved upward in the arc-shaped second sliding groove, and finally the three clamping blocks are eccentrically rotated to the center to clamp the steel foot cone, and during rotation, the rotating disc is positioned by the cooperation of the ratchet and the pawl, and the rotating disc can be stably stopped at the position of clamping the steel foot cone, realizing the rapid clamping operation of the insulator steel foot of different specifications and sizes, solving the problems of complex assembly operation of the insulator steel foot in the prior art, low test efficiency, and poor universality of the tooling, which is not conducive to large-scale production detection, and different specifications and sizes of clamps need to be designed for different specifications and sizes of insulator steel feet, and the clamps need to be replaced during use. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure schematic view of the insulator steel foot tensile load test tooling is provided in the application;

[0024] Figure 2 The A structure enlarged schematic view of the insulator steel foot tensile load test tooling is provided in the application;

[0025] Figure 3 The first clamping assembly front view of the insulator steel foot tensile load test tooling is provided in the application.

[0026] Indicated in the figure:

[0027] 1, operation table; 2, first sliding groove; 3, fixed plate; 4, sliding plate; 5, first clamping assembly; 501, base; 502, second sliding groove; 503, sliding block; 504, swing rod; 505, clamping block; 506, rotating disc; 507, ratchet; 508, connecting rod; 509, pawl; 6, second clamping assembly; 7, hydraulic telescopic rod; 8, control console; 9, rotating handle; 10, supporting leg. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments.

[0029] Therefore, the following detailed description of embodiments of the present application is not intended to limit the scope of the present application as claimed, but merely represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0030] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0031] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] As shown in Figure 1 , Figure 2 and Figure 3 , the present embodiment proposes an insulator steel foot tensile load test tool, which comprises an operation table 1, the operation table 1 is provided with a first sliding groove 2, and further comprises:

[0033] A fixed plate 3 is fixedly connected to the inner wall of the first sliding groove 2.

[0034] A sliding plate 4 is slidably connected to the inner wall of the first sliding groove 2.

[0035] A first clamping assembly 5 is installed on the outer wall of the side of the fixed plate 3 and the sliding plate 4.

[0036] A second clamping assembly 6 is installed on the outer wall of the side of the sliding plate 4 and the fixed plate 3.

[0037] As shown in Figure 2 and Figure 3 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the first clamping assembly 5 comprises three bases 501 fixedly connected to the side wall of the fixed plate 3, a second sliding groove 502 opened on the base 501, a sliding block 503 slidably connected to the inner wall of the second sliding groove 502, a swing rod 504 fixedly connected to the end of the sliding block 503 away from the base 501, a clamping block 505 fixedly connected to the swing end of the swing rod 504, a turntable 506 fixedly connected to the side wall of the clamping block 505, a ratchet wheel 507 fixedly connected to the end of the turntable 506 away from the clamping block 505, a connecting rod 508 fixedly connected to the side wall of the fixed plate 3, and a pawl 509 fixedly connected to the end of the connecting rod 508 away from the fixed plate 3, the ratchet wheel 507 and the pawl 509 are in rotational cooperation, and the turntable 506 can be positioned, so that the turntable 506 can stably stay at the required position.

[0038] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, a second clamping member is further installed on the outer wall of the sliding plate 4, and the second clamping assembly 6 has the same structure as the first clamping assembly 5.

[0039] like Figure 1 As shown, in a preferred embodiment, based on the above method, a hydraulic telescopic rod 7 is further fixedly connected to the inner wall of the first sliding groove 2 near the sliding plate 4, and the telescopic end of the hydraulic telescopic rod 7 is fixedly connected to the sliding plate 4.

[0040] like Figure 2 and Figure 3 As shown, in a preferred embodiment, based on the above method, the control panel 1 is further provided with a control console 8 fixedly connected to its side wall, and the turntable 506 is provided with a rotating handle 9 fixedly connected to its side wall.

[0041] like Figure 1 As shown, in a preferred embodiment, based on the above method, the bottom of the operating table 1 is further fixedly connected with a support leg 10.

[0042] Specifically, when using this insulator steel foot tensile load testing fixture: First, fix the upper cone of the steel foot. Place the cone of the insulator steel foot to be tested into the turntable 506. Turn the handle 9 clockwise to rotate the turntable 506 clockwise, which in turn moves the rocker arm 504 upward, causing the slider 503 to move upward within the arc-shaped second sliding groove 502. Finally, the three clamping blocks 505 rotate eccentrically towards the center to clamp the cone of the steel foot. During the rotation, the ratchet 507 and pawl 509 can position the turntable 506, ensuring that the turntable 506 can stably remain in the position where the steel foot cone is clamped. The position of the head is determined, and then the lower foot ball of the steel foot is fixed. According to the length of the middle round rod of the steel foot, the position of the sliding plate 4 is adjusted through the control console 8. After adjusting to the appropriate position, the lower foot ball of the steel foot is placed into the turntable 506 of the second clamping assembly 6 and clamped in the same way as the first clamping assembly 5. Finally, the tensile load test of the insulator steel foot is carried out. The hydraulic telescopic rod 7 is started. The hydraulic telescopic rod 7 retracts and drives the sliding plate 4 to move to the right in the first sliding groove 2, applying a tensile load to the insulator steel foot. When the set target tension is reached or the insulator steel foot breaks, the hydraulic telescopic rod 7 stops working, thus completing the tensile load test of the insulator steel foot.

[0043] All technical features in this embodiment can be freely combined according to actual needs.

[0044] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A fixture for testing the tensile load of insulator steel legs, comprising an operating table (1), characterized in that, The operating table (1) is provided with a first sliding groove (2), and also includes: A fixing plate (3) is fixedly connected to the inner wall of the first sliding groove (2); A sliding plate (4) is slidably connected to the inner wall of the first sliding groove (2); The first clamping assembly (5) is installed on the outer wall of the fixed plate (3) and the sliding plate (4) facing each other; The second clamping assembly (6) is mounted on the outer wall of the sliding plate (4) and the fixed plate (3) facing each other.

2. The tensile load testing fixture for insulator steel legs according to claim 1, characterized in that, The first clamping assembly (5) includes three bases (501) fixedly connected to the side wall of the fixed plate (3), a second sliding groove (502) opened on the base (501), a slider (503) slidably connected to the inner wall of the second sliding groove (502), a rocker arm (504) fixedly connected to the end of the slider (503) away from the base (501), a clamping block (505) fixedly connected to the swing end of the rocker arm (504), a turntable (506) fixedly connected to the side wall of the clamping block (505), a ratchet (507) fixedly connected to the end of the turntable (506) away from the clamping block (505), a connecting rod (508) fixedly connected to the side wall of the fixed plate (3), and a pawl (509) fixedly connected to the end of the connecting rod (508) away from the fixed plate (3). The ratchet (507) and the pawl (509) are rotatably engaged.

3. The tensile load testing fixture for insulator steel legs according to claim 2, characterized in that, The outer wall of the sliding plate (4) is equipped with a second clamping component, and the second clamping component (6) has the same structure as the first clamping component (5).

4. The tensile load testing fixture for insulator steel legs according to claim 1, characterized in that, The first sliding groove (2) is fixedly connected to the inner wall of the sliding plate (4) with a hydraulic telescopic rod (7), and the telescopic end of the hydraulic telescopic rod (7) is fixedly connected to the sliding plate (4).

5. The tensile load testing fixture for insulator steel legs according to claim 2, characterized in that, The control panel (1) is fixedly connected to the side wall of the control panel (8), and the turntable (506) is fixedly connected to the side wall of the turntable (9).

6. The tensile load testing fixture for insulator steel legs according to claim 1, characterized in that, The bottom of the operating table (1) is fixedly connected to a support leg (10).

Citation Information

Patent Citations

  • Suspension insulator steel foot tensile load test tool

    CN216955461U