Suspension insulator steel foot tensile load test tool
By designing a tensile load testing fixture for suspension insulator steel feet, and utilizing a combination structure of movable plates and clamping slots, the problems of low testing efficiency and unstable clamping in existing technologies are solved, enabling simultaneous testing of multiple steel feet and efficient tensile load testing.
Patent Information
- Application Number
- CN202520471840.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
In the existing technology, the tensile load testing efficiency of the steel feet of suspension insulators is low, and only one can be tested at a time. Furthermore, the clamping of steel feet of different specifications and sizes is unstable, making it difficult to achieve batch testing.
A tensile load testing fixture for suspension insulator steel feet was designed, including a testing bracket, a movable plate, a clamping base plate, and a clamping fixed plate. The movable plate drives the clamping base plate and the clamping fixed plate to slide on the testing bracket, adjusting the spacing. Multiple clamping slots and fixing mechanisms are used to achieve stable clamping and tensile testing of multiple steel feet.
It achieves stable clamping of insulator steel feet of different specifications and sizes, and can simultaneously inspect multiple steel feet, significantly improving inspection efficiency.
Smart Images

Figure CN223955302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of suspension insulator steel foot, concretely to a suspension insulator steel foot tensile load test frock. BACKGROUND
[0002] Suspension insulator steel foot refers to the component for connecting and supporting insulator, ensuring the stable connection between insulator and electrical equipment and conductor in power transmission and supply line, and is an important part of suspension insulator, and after the processing of suspension insulator steel foot is completed, in order to ensure the eligibility of its tensile strength, it needs to be subjected to tensile test by a tensile testing machine, and when the tensile test is carried out, it needs to be positioned on the tensile testing machine by frock.
[0003] For example, the publication number CN216955461U discloses a suspension insulator steel foot tensile load test frock, which comprises a taper head clamp, a bearing device and a cap socket. The taper head clamp comprises two clamp blocks in symmetrical structure, and the inside of the taper head clamp is provided with grooves matched with the steel foot taper head and the steel foot rod part of the steel foot. The grooves of the two clamp blocks are used for clamping the steel foot taper head and the steel foot rod part. The outer side of the taper head clamp is circumferentially provided with a boss. The bearing device is in a hollow structure, and the side wall of the bearing device is provided with a mounting port for mounting the taper head clamp and the steel foot. The inside of the bearing device is provided with a groove, and the boss of the taper head clamp is in contact with the groove of the bearing device. The upper end face of the bearing device is fixedly connected with the tensile load testing machine. The cap socket is in a hollow structure, and 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. The lower end face of the cap socket is fixedly connected with the tensile load testing machine.
[0004] However, in the prior art, only one insulator steel foot can be detected each time, which is inconvenient for batch tensile load detection of the insulator steel foot, the detection efficiency is low, and the size of the insulator steel foot varies, which is inconvenient for stable clamping of insulator steel feet of different sizes. For example, the above-mentioned comparative patent has this problem.
[0005] Therefore, we propose a suspension insulator steel foot tensile load test frock to solve the above problems. Utility model content
[0006] The utility model aims at providing a suspension insulator steel foot tensile load test frock to solve the problem that only one insulator steel foot can be detected each time, which is inconvenient for batch tensile load detection of the insulator steel foot, the detection efficiency is low, and the size of the insulator steel foot varies, which is inconvenient for stable clamping of insulator steel feet of different sizes.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of suspension insulator steel foot tensile load test tool, including left and right two ends detection support, connecting piece being fixed in the middle part of the detection support and being connected with external tensile load detection equipment and the clamping base plate being located in the middle part of the detection support;
[0008] Further comprising:
[0009] Movable plate, the movable plate is slidably connected at the front and rear ends of detection support respectively, and the movable plate is fixedly connected at the front and rear ends of clamping base plate respectively, the movable plate drives clamping base plate to move left and right in the middle part of detection support;
[0010] Clamping fixed plate for clamping insulator steel foot to be detected, the clamping fixed plate constitutes overturning structure on clamping base plate, and the middle part of clamping fixed plate and clamping base plate is provided with a plurality of clamping grooves in correspondence.
[0011] Preferably, the front and rear ends of the detection support are provided with long grooves, and the outer sides of the front and rear ends of the detection support are fixedly connected with a plurality of fixing blocks.
[0012] Preferably, the middle part of the movable plate is fixedly connected with a movable rod, and the movable rod constitutes a left and right sliding structure in the long groove.
[0013] Preferably, the outer surface of the movable rod is threadedly connected with a fixing cap for locking and limiting, and the fixing cap is clamped in the fixing block at the corresponding position.
[0014] Preferably, the front side of the clamping fixed plate is provided with a fixed plate in "L" type structure, and a spring is arranged between the inner side of the fixed plate and the front end of the clamping fixed plate, the upper end of the fixed plate is slidably connected with a connecting block in "T" shape structure, and the connecting block is fixedly connected to the upper end of the clamping fixed plate.
[0015] Preferably, the front side of the fixed plate is fixedly connected with a fixing pin for limiting, and the fixed plate drives the fixing pin to be inserted into the auxiliary plate fixed to the front side of the upper end of the clamping base plate.
[0016] Compared with the prior art, the utility model has the advantages that: the suspension insulator steel foot tensile load test tool slides left and right between the movable plate and the detection support, drives the clamping base plate and the clamping fixed plate to move left and right in the middle part of the detection support, so as to adjust the distance between the clamping base plate monomers at the left and right ends of the test equipment, realize stable clamping of insulator steel feet of different specifications and sizes, and the clamping base plate and the clamping fixed plate are provided with a plurality of clamping grooves, so as to clamp and detect the tensile load of a plurality of insulator steel feet at a time, greatly improving the efficiency of actual tensile load detection.
[0017] 1. It is provided with a movable plate, a movable rod and a fixed cap, the movable plate is slid left and right on the detection support, drives the clamping bottom plate and the clamping fixed plate to move left and right in the detection support, and then the spacing between the clamping bottom plate monomers at both ends is adjusted, different specifications and sizes of insulator steel feet are detected, and the movable rod and the fixed cap are combined to limit the movable plate and the detection support after adjustment;
[0018] 2. It is provided with a clamping bottom plate, a clamping fixed plate and a clamping groove, the clamping bottom plate and the clamping fixed plate are used for clamping and positioning the insulator steel feet, and a plurality of clamping grooves are arranged to realize the tensile load detection of a plurality of insulator steel feet at a time, and the detection efficiency is greatly improved;
[0019] 3. It is provided with a fixing mechanism composed of a fixed plate, a spring, a connecting block, a fixed pin and an auxiliary plate, the fixing mechanism is used for limiting the clamping fixed plate and the clamping bottom plate after the clamping fixed plate is turned down to clamp the insulator steel feet. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model;
[0021] Figure 2 It is a bottom view structure schematic view of the utility model;
[0022] Figure 3 It is a whole structure schematic view of the utility model Figure 1 It is an enlarged structure schematic view of A in the utility model;
[0023] Figure 4 It is an exploded structure schematic view of the detection support, the movable plate, the movable rod and the fixed cap of the utility model;
[0024] Figure 5 It is a whole structure schematic view of the clamping bottom plate, the clamping fixed plate and the clamping groove of the utility model;
[0025] Figure 6 It is a structure schematic view of the clamping bottom plate and the clamping fixed plate in an open state of the utility model;
[0026] Figure 7 It is an exploded structure schematic view of the fixed plate, the connecting block, the fixed pin and the auxiliary plate of the utility model.
[0027] In the drawing: 1, detection support; 2, connecting piece; 3, long groove; 4, fixed block; 5, movable plate; 6, movable rod; 7, fixed cap; 8, clamping bottom plate; 9, clamping fixed plate; 10, clamping groove; 11, fixed plate; 12, spring; 13, connecting block; 14, fixed pin; 15, auxiliary plate. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.
[0029] Please refer to Figures 1-7 .
[0030] In order to solve the problem that only one insulator steel foot can be detected each time in the prior art, it is inconvenient to detect the batch tensile load of the insulator steel foot, the detection efficiency is low, and the size of the insulator steel foot is different, so it is inconvenient to stably clamp the insulator steel foot of different sizes, therefore, the technical scheme is as follows: a suspension insulator steel foot tensile load test tool is provided with left and right detection supports 1, a connecting piece 2 fixed in the middle of the detection support 1 and connected with an external tensile load detection device, and a clamping bottom plate 8 located in the middle of the detection support 1, the movable plates 5 are respectively slidably connected to the front and rear ends of the detection support 1, and the movable plates 5 are respectively fixedly connected to the front and rear ends of the clamping bottom plate 8, the movable plates 5 drive the clamping bottom plate 8 to move left and right in the middle of the detection support 1, the clamping fixed plate 9 forms a turnover structure on the clamping bottom plate 8, and a plurality of clamping grooves 10 are formed in the middle of the clamping fixed plate 9 and the clamping bottom plate 8;
[0031] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, first, according to the size of the insulator steel foot to be detected, by pulling the movable plate 5, the movable plate 5 and the detection support 1 slide left and right, and the movable plate 5 drives the movable rod 6 to slide in the long groove 3, so that the clamping bottom plate 8 drives the clamping bottom plate 8 to move left and right in the middle of the detection support 1, and further drives the spacing between the single bodies of the clamping bottom plates 8 at the left and right ends to adjust, so that the insulator steel foot of different sizes can be clamped and positioned, after adjustment, directly rotate the fixing cap 7 threaded on the outer surface of the movable rod 6, so that the fixing cap 7 is clamped in the fixed block 4 corresponding to the position outside the detection support 1, and then the movable rod 6 and the detection support 1 are conveniently limited, and the movable plate 5 is locked and fixed;
[0032] When the movable plate 5 and the detection support 1 are limited, as Figure 5 、 Figure 6 and Figure 7As shown, the middle part of the clamping bottom plate 8 and the clamping fixed plate 9 is provided with a plurality of clamping grooves 10, so that a plurality of insulator steel feet are subjected to tensile load detection at one time, the detection efficiency of the insulator steel foot is greatly improved, the two ends of the insulator steel foot to be detected are clamped in the clamping groove 10 in the middle part of the clamping bottom plate 8, through the setting of the fixing mechanism, the fixing mechanism includes a fixing plate 11, a spring 12, a connecting block 13, a fixing pin 14 and an auxiliary plate 15, the fixing plate 11 is pulled, the fixing plate 11 and the connecting block 13 slide, and the fixing plate 11 extrudes the spring 12, so that the spring 12 is elastically deformed, then the clamping fixed plate 9 is turned down, the clamping fixed plate 9 and the clamping bottom plate 8 rotate, the clamping fixed plate 9 clamps and positions the insulator steel foot on the clamping bottom plate 8 downward, after clamping, the fixing plate 11 is directly released, at this time the spring 12 restores the elastic deformation, the fixing plate 11 and the connecting block 13 slide, so that the fixing plate 11 drives the fixing pin 14 to be inserted in the auxiliary plate 15, and then the clamping fixed plate 9 is fixed on the upper end of the clamping bottom plate 8, the clamping and positioning of the insulator steel foot are completed, then the tensile load detection of the insulator steel foot is realized through the external tensile test equipment together with the tooling.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A suspension insulator steel foot tensile load test tool, comprising left and right detection supports (1), a connecting piece (2) fixed in the middle of the detection support (1) and connected with an external tensile load detection device, and a clamping bottom plate (8) located in the middle of the detection support (1). characterized in that Further comprising: a movable plate (5) slidingly connected at the front and rear ends of the detection support (1), respectively, and fixedly connected at the front and rear ends of the clamping bottom plate (8), respectively, the movable plate (5) driving the clamping bottom plate (8) to move left and right in the middle of the detection support (1); a clamping fixed plate (9) for clamping the insulator steel foot to be detected, the clamping fixed plate (9) forming a turnover structure on the clamping bottom plate (8), and a plurality of clamping grooves (10) are formed in the middle of the clamping fixed plate (9) and the clamping bottom plate (8) in a corresponding manner.
2. The tensile load test tool for a steel foot of a suspension insulator according to claim 1, characterized in that: Long grooves (3) are formed at the front and rear ends of the detection support (1), and a plurality of fixed blocks (4) are fixedly connected to the outer sides of the front and rear ends of the detection support (1).
3. The tensile load test fixture for a steel foot of a suspension insulator claimed in claim 1, characterized in that: An activity rod (6) is fixedly connected to the middle of the movable plate (5), and the activity rod (6) forms a left and right sliding structure in the long groove (3).
4. The tensile load test fixture for a steel foot of a suspension insulator claimed in claim 3, characterized in that: A fixed cap (7) for locking and limiting is threadedly connected to the outer surface of the activity rod (6), and the fixed cap (7) is clamped in the fixed block (4) at the corresponding position.
5. The tensile load test fixture for a steel foot of a suspension insulator claimed in claim 1, characterized in that: A fixed plate (11) in an "L" shape structure is arranged at the front side of the clamping fixed plate (9), a spring (12) is arranged between the inner side of the fixed plate (11) and the front end of the clamping fixed plate (9), a connecting block (13) in a "T" shape structure is slidingly connected to the upper end of the fixed plate (11), and the connecting block (13) is fixedly connected to the upper end of the clamping fixed plate (9).
6. The tensile load test fixture for a steel foot of a suspension insulator claimed in claim 5, characterized in that: A fixed pin (14) for limiting is fixedly connected to the front side of the fixed plate (11), and the fixed plate (11) drives the fixed pin (14) to be inserted into an auxiliary plate (15) fixed to the front side of the upper end of the clamping bottom plate (8).