CN210629043U - Bolt type aluminum alloy strain clamp - Google Patents

Abstract

The utility model discloses a bolt type aluminum alloy strain clamp, which comprises a strain clamp body, wherein the strain clamp body comprises a wire groove, U-shaped fastening screws are uniformly arranged on the wire groove, the U-shaped fastening screws penetrate through the wire groove and are threaded with nuts to fix a wire on the wire groove, the top end of the wire groove is connected with a movable groove, and a connecting piece is arranged on the movable groove; the utility model provides a bolt type aluminum alloy strain clamp, the structure is skillfully arranged, the utility model fixes the wire on the wire groove of the strain clamp body through a plurality of U-shaped fastening screws, and the wire is accommodated in the movable groove, and the connecting piece on the movable groove is used for installing and limiting, thereby realizing the strain support of the wire; the utility model further has the reinforcing ribs arranged on the side walls of the movable groove and the wire groove, thus improving the strength of the strain clamp; the utility model discloses further the wire casing aligns with the activity groove top at the ascending projection of activity groove side, improves strain insulator effect.

Description

Bolt type aluminum alloy strain clamp

Technical Field

The utility model relates to a strain clamp technical field specifically is a bolt type aluminum alloy strain clamp.

Background

The strain clamp is a hardware fitting used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a tower. Strain clamps can be broadly classified into two types according to their structure and installation conditions. The first type: the strain clamp bears the whole tension of the lead or the lightning conductor, the clamp gripping force is not less than 90 of the rated tension of the installed lead or the lightning conductor, but the strain clamp does not serve as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The cable clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like. The second type: the strain clamp can bear all the tensile force of the conducting wire or the lightning conductor and can also be used as a conductor. Therefore, once the wire clamp is installed, the wire clamp can not be disassembled any more, and the wire clamp is also called a dead wire clamp. Because of the electric conductor, the installation of the wire clamp must be carefully carried out according to the regulations related to the installation operation rules;

at present, the bolt type strain clamp is stiff in structure, most of the strain clamps fasten wires in wire grooves through bolt fasteners, however, the movable grooves of the strain clamps are not limited, the wires are inconvenient to mount orderly, and therefore the bolt type aluminum alloy strain clamp is provided by the inventor by integrating various factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt type aluminum alloy strain clamp to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bolt type aluminum alloy strain clamp comprises a strain clamp body, wherein the strain clamp body is made of an aluminum alloy material and comprises a wire groove, U-shaped fastening screws are uniformly arranged on the wire groove, penetrate through the wire groove and are threaded with nuts to fix a wire on the wire groove, the top end of the wire groove is connected with a movable groove, a backing plate is arranged between the U-shaped fastening screws and the wire, a fastening groove matched with the U-shaped fastening screws is formed in the upper side of the backing plate, an elastic fixing clamp is hinged to the end portion of the backing plate, the elastic fixing clamp elastically extrudes the wire on the movable groove, and a connecting piece is arranged on the movable groove;

when the tension support device works, the conducting wire is fixed on the wire groove of the tension body through the plurality of U-shaped fastening screws and is contained in the movable groove, and the connecting piece on the movable groove is used for mounting and limiting, so that the tension support of the conducting wire is realized; meanwhile, the elastic fixing clamp elastically extrudes the lead on the movable groove to elastically limit the lead, so that the lead can be conveniently and orderly installed.

As a further aspect of the present invention: the elastic fixing frame is a triangular pipe groove, the end part of the elastic fixing clamp is hinged with the end part of the base plate through a pin shaft, and a torsional spring is connected between the pin shaft and the base plate.

As a further aspect of the present invention: the U-shaped fastening screw rods are provided with 4 fastening screws.

As a further aspect of the present invention: the movable groove is communicated with the wire groove and extends out of the middle part of the wire groove to form an extending clamping end, and the two extending clamping ends are connected through a connecting bolt;

as a further aspect of the present invention: a pull ring is arranged at the outer end of the wire slot;

as a further aspect of the present invention: reinforcing ribs are arranged on the side walls of the movable groove and the wire groove, so that the strength of the strain clamp is improved;

as a further aspect of the present invention: the projection of the wire casing in the direction of the movable groove is aligned with the top end of the movable groove, and the strain effect is improved.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

the utility model provides a bolt type aluminum alloy strain clamp, the structure is skillfully arranged, the utility model fixes the wire on the wire groove of the strain body through a plurality of U-shaped fastening screws, and the wire is accommodated in the movable groove, and the connecting piece on the movable groove is used for installing and limiting, thereby realizing the strain support of the wire, and meanwhile, the wire is elastically extruded on the movable groove through the elastic fixing clamp, the elastic limiting is carried out on the wire, and the orderly installation of the wire is convenient; the utility model further has the reinforcing ribs arranged on the side walls of the movable groove and the wire groove, thus improving the strength of the strain clamp; the utility model discloses further the wire casing aligns with the activity groove top at the ascending projection of activity groove side, improves strain insulator effect.

Drawings

Fig. 1 is a schematic structural diagram of a bolt type aluminum alloy strain clamp.

Fig. 2 is a schematic view of a local structure in a bolt type aluminum alloy strain clamp.

Fig. 3 is a schematic view of a connection structure of a base plate and an elastic fixing clamp in a bolt type aluminum alloy strain clamp.

Fig. 4 is a perspective view of an elastic fixing clip in a bolt type aluminum alloy strain clamp.

In the figure: 1. a wire slot; 10. a backing plate 101 and a fastening groove; 2. a U-shaped fastening screw; 3. a nut; 4. a pull ring; 5. a movable groove; 6. reinforcing ribs; 7. extending the clamp end; 8. a connecting bolt; 9. an elastic fixing clip; 91. a pin shaft; 92. a torsion spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a bolt type aluminum alloy strain clamp comprises a strain clamp body made of an aluminum alloy material, the strain clamp body comprises a wire groove 1, U-shaped fastening screws 2 are uniformly arranged on the wire groove 1, the U-shaped fastening screws 2 penetrate through the wire groove 1 and are threaded with nuts 3 to fix a wire on the wire groove 1, a movable groove 5 is connected to the top end of the wire groove 1, a backing plate 10 is arranged between the U-shaped fastening screws 2 and the wire, a fastening groove 101 matched with the U-shaped fastening screws is arranged on the upper side of the backing plate 10, an elastic fixing clamp 9 is hinged to the end portion of the backing plate 10, the elastic fixing clamp 9 elastically extrudes the wire on the movable groove 5, and a connecting piece is arranged on the movable groove 5.

The elastic fixing frame 9 is a triangular pipe groove, the end part of the elastic fixing frame 9 is hinged with the end part of the backing plate 10 through a pin shaft 91, and a torsion spring 92 is connected between the pin shaft 91 and the backing plate 10.

In the embodiment, 4U-shaped fastening screws 2 are arranged;

the movable groove 5 is communicated with the wire groove 1 and extends out of the middle part of the wire groove 1 to form an extending clamping end 7, and the two extending clamping ends 7 are connected through a connecting bolt 8;

the outer end of the wire casing 1 is provided with a pull ring 4;

reinforcing ribs 6 are arranged on the side walls of the movable groove 5 and the wire groove 1, so that the strength of the strain clamp is improved;

the projection of the wire casing 1 in the direction of the movable groove 5 is aligned with the top end of the movable groove 5, so that the strain effect is improved.

The utility model discloses a theory of operation is: the during operation is fixed the wire on the wire casing 1 of strain insulator body through a plurality of U type fastening screw 2 to the holding is installed spacingly by the connecting piece on the activity groove 5 in the activity groove 5, realizes that the strain insulator of wire supports, extrudes wire elasticity through the elasticity fixation clamp simultaneously on the activity groove, carries out elasticity spacingly to the wire, and the wire of being convenient for is installed in order.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (8)

1. The utility model provides a bolt type aluminum alloy strain clamp, includes strain clamp body, its characterized in that, strain clamp body includes wire casing (1), evenly be provided with U type fastening screw (2) on wire casing (1), U type fastening screw (2) run through wire casing (1) and screw have nut (3) to fix the wire on wire casing (1), wire casing (1) top is connected with movable groove (5), be provided with between U type fastening screw (2) and the wire backing plate (10), backing plate (10) upside be provided with U type fastening screw complex fastening groove (101), backing plate (10) tip articulates there is elastic fixation clamp (9), and elastic fixation clamp (9) extrude wire elasticity on movable groove (5), be provided with the connecting piece on movable groove (5).

2. The bolt type aluminum alloy strain clamp according to claim 1, wherein the elastic fixing clamp (9) is a triangular pipe groove, the end of the elastic fixing clamp (9) is hinged with the end of the backing plate (10) through a pin shaft (91), and a torsion spring (92) is connected between the pin shaft (91) and the backing plate (10).

3. The bolt-type aluminum alloy strain clamp according to claim 1, wherein 4U-shaped fastening screws (2) are provided.

4. The bolt type aluminum alloy strain clamp according to claim 2, wherein the movable groove (5) is communicated with the wire groove (1) and extends out of the middle of the wire groove (1) to form an extending clamping end (7), and the two extending clamping ends (7) are connected through a connecting bolt (8).

5. The bolt type aluminum alloy strain clamp according to claim 1, wherein a pull ring (4) is arranged at the outer end of the wire groove (1).

6. The bolt type aluminum alloy strain clamp according to any one of claims 1 to 5, wherein the side walls of the movable groove (5) and the wire groove (1) are provided with reinforcing ribs (6).

7. The bolt-type aluminum alloy strain clamp according to claim 6, wherein the projection of the wire casing (1) in the direction of the movable groove (5) is aligned with the top end of the movable groove (5).

8. The bolt-type aluminum alloy strain clamp of claim 6, wherein the strain clamp body is made of an aluminum alloy material.

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