CN217956645U - Take self-locking function's wedge strain clamp - Google Patents

Abstract

The utility model relates to a wedge-shaped tension clamp with self-locking function, which comprises a hanging plate, a self-locking shell and a wedge core. The self-locking shell is a C-shaped open trapezoidal column structure, and its horizontal section is isosceles Trapezoidal, the vertical section is rectangular, and the smaller rectangular section is located at the end away from the hanging plate, and the end of the self-locking housing is provided with an inlet hole; the wedge core includes two L-shaped wedge cores with opposite positions on the left and right Single body, two wedge core monomers are provided with an inwardly concave semicircular groove at one end close to each other, and the two wedge core monomers form a convex clamping part for placing and clamping insulated wires. After placing the insulated wire in the circular groove, push it inward along the C-shaped opening of the self-locking housing to realize self-locking. The utility model has ingenious design, simple structure, self-locking function, reduced use of bolts, high assembly efficiency, strong clamping performance, and guaranteed installation quality. Compared with the prior art, the utility model has good market prospect and development space.

Description

A wedge-shaped strain clamp with self-locking function

technical field

The utility model relates to the field of matching fittings for overhead lines, in particular to a wedge-shaped strain clamp with a self-locking function.

Background technique

Tension clamp is a kind of auxiliary fitting commonly used in high-voltage distribution lines. In high-voltage distribution lines, the overhead insulated aluminum conductor is fixed on the corner or the terminal is fixed on the insulator of the corner or terminal tension rod, so that the overhead conductor Fixing or tightening, the insulating cover is used together with the tension clamp, and the function of insulation protection refers to the hardware used to fix the wire to bear the tension of the wire and hang the wire to the tension string or tower. The existing commonly used tension clamps mainly include bolt type tension clamps and wedge type tension clamps.

Ordinary wedge-shaped strain clamps do not have a self-locking function. When installing and disassembling, a large number of bolts need to be twisted manually. The assembly efficiency is low, and the clamping performance is not strong, which will easily cause the cable to move and damage the cable.

How to design a wedge-shaped strain clamp with self-locking function that is ingenious in design, simple in structure, has self-locking function, reduces the use of bolts, has high assembly efficiency, strong clamping performance, and ensures installation quality is currently to be solved question.

Utility model content

In order to solve the problem that the existing common wedge-shaped strain clamp does not have the self-locking function, a large number of bolt fixing parts need to be twisted manually during installation and disassembly, the assembly efficiency is low, the clamping performance is not strong, and it is easy to cause the cable to move and damage the cable. Problem, the utility model provides a wedge-shaped tension clamp with self-locking function to achieve ingenious design, simple structure, self-locking function, reduce the use of bolts, high assembly efficiency, strong clamping performance, and ensure installation quality Purpose.

The technical scheme adopted by the utility model to solve the above technical problems is: a wedge-shaped strain clamp with self-locking function, including a hanging plate, a self-locking shell and a wedge core, and the self-locking shell is C A font-shaped open trapezoidal column structure, the horizontal section is isosceles trapezoidal, the vertical section is rectangular, and the smaller rectangular section is located at the end far away from the hanging plate, and the end of the self-locking housing is provided with an inlet hole; the said The wedge core consists of two left and right L-shaped wedge core monomers with opposite positions. The two wedge core monomers are provided with an inwardly concave semicircular groove at the end close to each other. The two wedge core monomers form a convex shape. It is used to place the clamping part for clamping the insulated wire. After the insulated wire is placed in the semicircular groove, it is pushed inward along the C-shaped opening of the self-locking housing to realize self-locking.

The hanging board includes a Z-shaped left hanging board monomer and a right hanging board monomer. and the tail end of the right hanging plate unit are provided with hanging plate tail holes, and bolt fasteners are arranged in the hanging plate fixing point holes and the hanging plate tail holes, and the hanging plate fixing point holes and the hanging plate tail holes are respectively fixed on the Insulated stand and self-locking housing.

As another optimized solution to the above-mentioned wedge-shaped strain clamp with self-locking function, a pull ring is arranged on the single wedge core.

As another optimization scheme for the wedge-shaped strain clamp with self-locking function, the bottom of the wedge core unit is provided with a limiting groove, and the self-locking housing is provided with a limiting protrusion corresponding to the limiting groove. The limiting protrusion can slide in the limiting groove and limit the wedge core single body.

As another optimized solution to the above-mentioned wedge-shaped strain clamp with self-locking function, the semicircular groove of the single wedge core is provided with inclined anti-slip protrusions.

As another optimized solution to the wedge-shaped strain clamp with self-locking function, the bolt fastener includes a washer, a bolt and a nut.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model includes a hanging board, a self-locking shell and a wedge core, the self-locking shell is a C-shaped open trapezoidal column structure, and the wedge core includes two L-shaped wedge core monomers with opposite positions on the left and right There is an inwardly recessed semicircular groove at the close ends of the two wedge cores, and the insulated wire is placed in the semicircular groove and pushed inward along the C-shaped opening of the self-locking housing to achieve self-locking , the utility model adopts a structural innovation design, and the commonly used closed shell is designed as a self-locking C-shaped open trapezoidal column structure, and its installation and disassembly are limited by a limit mechanism, with high assembly efficiency and strong clamping performance. Guaranteed installation quality.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the utility model;

Fig. 2 is a three-dimensional schematic diagram of a self-locking housing;

Fig. 3 is a three-dimensional schematic diagram of a wedge core;

Fig. 4 is a three-dimensional schematic diagram after the self-locking housing and the wedge core are assembled;

Fig. 5 is a schematic diagram of a vertical section of a limit groove and a limit protrusion;

Fig. 6 is a schematic diagram of another embodiment of the utility model for installing a limit hook;

Marks in the figure: 1, hanging plate, 101, left hanging plate single body, 102, right hanging plate single body, 103, hanging plate fixing point hole, 104, hanging plate tail hole, 2, self-locking shell, 3, wedge Core, 301, single wedge core, 302, semicircular groove, 303, limit groove, 304, limit protrusion, 305, bump, 4, bolt fastener, 5, insulating frame, 6, pull Ring, 7, inlet hole, 8, insulated wire, 9, limit post, 10, limit hook.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

As shown in Figure 1, a wedge-shaped strain clamp with self-locking function includes a hanging plate 1, a self-locking shell 2 and a wedge core 3, and the hanging plate 1 includes a left hanging plate sheet opposite in a Z shape The body 101 and the right hanging board monomer 102, the head ends of the left hanging board monomer 101 and the right hanging board monomer 102 are all provided with hanging board fixing point holes 103, the left hanging board monomer 101 and the right hanging board monomer 102 The tail ends are provided with hanging plate tail holes 104, and bolt fasteners 4 are arranged in the hanging plate fixing point holes 103 and the hanging plate tail holes 104. The bolt fasteners 4 include washers, bolts and nuts, and the hanging plate fixing point holes 103 and the hanging plate tail hole 104 are respectively fixed on the insulating frame 5 and the self-locking housing 2 through the bolt fastener 4 .

As shown in Figure 2 and Figure 3, Figure 2 is a three-dimensional schematic diagram of the self-locking housing, Figure 3 is a three-dimensional schematic diagram of the wedge core, the self-locking housing 2 is a C-shaped open trapezoidal column structure, and its horizontal section is equal to The waist is trapezoidal, the vertical section is rectangular, and the smaller rectangular section is located at the end away from the hanging plate 1, and the end of the self-locking housing 2 is provided with an inlet hole 7; the wedge core 3 includes two opposite positions on the left and right The L-shaped wedge core unit 301, the semicircular groove 302 of the wedge core unit 301 is provided with an inclined anti-slip convex point 305, and one end of the two wedge core units 301 is provided with an inward Depressed semicircular groove 302, two wedge core monomers 301 form a convex clamping part for placing and clamping insulated wires, and after placing insulated wires in the semicircular groove 302, the self-locking The C-shaped opening of the housing 2 is pushed inward to realize self-locking.

A pull ring 6 is arranged on the wedge core unit 301 .

As shown in Figure 5, Figure 5 is a schematic diagram of the position of the limiting groove and the limiting protrusion. The bottom of the wedge core unit 301 is provided with a limiting groove 303, and the self-locking housing 2 is provided at a position corresponding to the limiting groove 303. The limiting protrusion 304 can slide in the limiting groove 303 and limit the wedge core unit 301 .

In actual operation, the working principle of the utility model is as follows: first use the bolt fastener 4 to fix the hanging plate fixing point hole 103 and the hanging plate tail hole 104 respectively on the insulating frame 5 and the self-locking housing 2, and then pull it outward Pull the ring 6, so that the two wedge core monomers 301 form a convex shape for placing and clamping the central wire hole 7 of the clamping part of the insulated wire to become larger, and insert the insulated wire 8 into the two semicircular concave slot 302 in the wire hole, and push the wedge core 3 inwardly, when the tail end of the wedge core 3 reaches the wire inlet hole 7, it is now in a locked state. The semicircular groove 302 of the wedge core unit 301 is provided with an inclined anti-slip protrusion 305, which can increase the friction between the wedge core unit 301 and the insulated wire 8, thereby improving the wedge-shaped tension clamp. locking performance.

In actual application, the limit mechanism of the present invention can also be externally locked by setting a limit post and a limit hook on the end surface of the self-locking housing 2. Freely choose the appropriate limit mechanism for limit.

The utility model is ingenious in design, simple in structure, has self-locking function, reduces the use of bolts, has high assembly efficiency, strong clamping performance, ensures installation quality, and solves the problem that existing ordinary wedge-shaped strain clamps do not have self-locking function. When disassembling, a large number of bolts need to be twisted manually, the assembly efficiency is low, the clamping performance is not strong, and it is easy to cause technical problems such as cable movement and damage to the cable. Compared with the existing technology, it has a good market prospect and development space.

Above in conjunction with the accompanying drawings, the preferred specific implementations and examples of the present utility model have been described in detail, but the present utility model is not limited to the above-mentioned implementations and examples, within the scope of knowledge possessed by those skilled in the art, it can also be Various changes are made under the premise of breaking away from the utility model design.

Claims (6)

1. The utility model provides a take self-locking function's wedge strain clamp which characterized in that: the self-locking type wedge core wedge-shaped cable bridge comprises a hanging plate (1), a self-locking type shell (2) and a wedge core (3), wherein the self-locking type shell (2) is of a C-shaped open trapezoidal column structure, the horizontal section of the self-locking type shell is isosceles trapezoid, the vertical section of the self-locking type shell is rectangular, the rectangular section with a smaller size is located at one end far away from the hanging plate (1), and the tail end of the self-locking type shell (2) is provided with a cable inlet hole (7); wedge core (3) including controlling two L shape wedge core monomers (301) that opposite position, the one end that two wedge core monomers (301) are close to is provided with inside sunken semicircular groove (302), and two wedge core monomers (301) constitute the clamping part that is used for placing centre gripping insulated wire of shape for the type of protruding, and the open inwards propulsion of C font along self-locking casing (2) realizes the auto-lock in semicircular groove (302) after placing insulated wire.

2. The wedge-shaped strain clamp with the self-locking function of claim 1, wherein: the hanging plate (1) comprises a left hanging plate single body (101) and a right hanging plate single body (102) which are opposite in Z-shaped shape, the head ends of the left hanging plate single body (101) and the right hanging plate single body (102) are provided with hanging plate fixing point holes (103), the tail ends of the left hanging plate single body (101) and the right hanging plate single body (102) are provided with hanging plate tail holes (104), bolt fasteners (4) are arranged in the hanging plate fixing point holes (103) and the hanging plate tail holes (104), and the hanging plate fixing point holes (103) and the hanging plate tail holes (104) are respectively fixed on an insulating frame (5) and a self-locking shell (2) through the bolt fasteners (4).

3. The wedge-shaped strain clamp with the self-locking function of claim 1, wherein: and a pull ring (6) is arranged on the wedge core single body (301).

4. The wedge-shaped strain clamp with the self-locking function of claim 1, wherein: the bottom of the wedge core single body (301) is provided with a limiting groove (303), a limiting bulge (304) is arranged at the position, corresponding to the limiting groove (303), of the self-locking shell (2), and the limiting bulge (304) can slide in the limiting groove (303) and limit the wedge core single body (301).

5. The wedge-shaped strain clamp with the self-locking function of claim 1, wherein: the semi-circular groove (302) of the wedge core single body (301) is internally provided with an inclined anti-skidding convex point (305).

6. The wedge-shaped strain clamp with the self-locking function of claim 2, wherein: the bolt fastener (4) comprises a washer, a bolt and a nut.

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