CN202308979U

CN202308979U - Strain clamp

Info

Publication number: CN202308979U
Application number: CN2011203512060U
Authority: CN
Inventors: 施小锋; 施希锋
Original assignee: JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
Current assignee: JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
Priority date: 2011-09-19
Filing date: 2011-09-19
Publication date: 2012-07-04
Anticipated expiration: 2021-09-19

Abstract

The utility model relates to a strain clamp which comprises a body, aluminum rivets, a first plastic clamp core, a second plastic clamp core, a steel wire rope, a U-shaped ring, a hanging platform and hanging lugs. The body is made of high-strength insulating plastics, the first plastic clamp core and the second plastic clamp core are aligned with each other to be assembled into a wedge-shaped structure which is in assembling match with the plastic body with a wedge-shaped inner cavity, and a wire duct is formed in the middle of the wedge-shaped structure. The first plastic clamp core and the second plastic clamp core are provided with the hanging lugs which can be buckled on a sliding rail of the plastic body. When the first plastic clamp core and the second plastic clamp core are pushed and pulled, the two plastic clamp cores slide in the wedge-shaped inner cavity along the sliding rail of the plastic body so as to change width of the wire duct, the U-shaped ring is installed in the middle of the steel wire rope, and the aluminum rivets are riveted at two ends of the steel wire rope, hung in holes of the hanging platform and connected with the plastic body. The strain clamp has the advantages of being capable of guaranteeing gripping force of the plastic clamp cores on the cable, preventing electric leakage conduction and avoiding accidents.

Description

Strain clamp

Technical field

The utility model relates to a kind of strain clamp, relates in particular to the structure of this strain clamp.

Background technology

0.6/1kV built on stilts bunched cable system in, be used for insulation neutral carrier cable terminal or anchoring of strain section two ends and tension.

Visible by Fig. 1, the strain clamp structure is formed in the prior art: be made up of aluminium body 2, aluminium rivet 3, the first plastics sandwich 4, the second plastics sandwich 7, steel wire rope 5, U type ring 6, hanging platform 8 and hangers 9.The first plastics sandwich 4 and the second plastics sandwich 7 align and are assembled into taper structure, cooperate with the aluminium body that the wedge shape inner chamber is arranged 2 assemblings, form wire casing 1 in the middle; The first plastics sandwich 4 and the second plastics sandwich 7 are designed with hangers 9 and can be buckled on the slide rail of aluminium body 2; When the push-and-pull first plastics sandwich 4 and the second plastics sandwich 7; Two plastics sandwiches slide in the wedge shape inner chamber along the slide rail of aluminium body 2, to change the width of wire casing 1; U type ring 6 is installed on the middle part of steel wire rope 5, and aluminium rivet 3 is riveted on the both ends of steel wire rope 5, and aluminium rivet 3 is installed in the hole of hanging platform 8.

During use; At first fixedly the cable position of stretch-draw is confirmed; The pull first plastics sandwich 4, the second plastics sandwich 7 make the first plastics sandwich 4, the second plastics sandwich 7 turn right along the slide rail of aluminium body 2 and slide into the place, location, wire casing 1 is opened widen into maximum.

The second, ready cable is put into the wire casing 1 of strain clamp from the wire casing front.

Three, the pushing first plastics sandwich 4, the second plastics sandwich 7 make the first plastics sandwich 4, the second plastics sandwich 7 slide in the wedge type inner chamber of aluminium body 2 along the slide rail of aluminium body 2, and clamping cables is fixed in strain clamp in the corresponding support afterwards.

But the problem that said structure exists is:

First; The aluminium body 2 of this wire clamp adopts aluminium alloy casting; Aluminum alloy materials is serious at atmosphere and ocean climate environmental corrosion, forms pitted skin in its wedge shape inner chamber corrosion, causes surface roughness to increase; The first plastics sandwich 4, the second plastics sandwich 7 slide not smooth, influence the gripping force of plastics sandwich to cable.

The second, in the bunched cable system, each cable twisting together; Mutual distance is very near; This wire clamp aluminium alloy body contacts with other cable insulation, because wind-force and other factor cause cable to rock, causes producing between wire clamp aluminium alloy body and other cable insulation friction; The damage cable insulation is prone to lead to a disaster.

Summary of the invention

The utility model technical issues that need to address have provided a kind of strain clamp, are intended to solve the above problems.

In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme:

The utility model comprises: body, aluminium rivet, the first plastics sandwich, the second plastics sandwich, steel wire rope, U type ring, hanging platform and hangers; The material of described body is the high strength ambroin; The described first plastics sandwich and the second plastics sandwich align and are assembled into taper structure, cooperate with the plastic body assembling that the wedge shape inner chamber is arranged, and form wire casing in the middle; The first plastics sandwich and the second plastics sandwich are designed with hangers and can be buckled on the slide rail of plastic body, and when the push-and-pull first plastics sandwich and the second plastics sandwich, two plastics sandwiches slide in the wedge shape inner chamber along the slide rail of plastic body, to change the width of wire casing; Described U type ring is installed on the middle part of steel wire rope, and aluminium rivet is riveted on the both ends of steel wire rope, is hung in the hole of hanging platform, is connected with plastic body.

Compared with prior art, the beneficial effect of the utility model is: can guarantee that the plastics sandwich to the gripping force of cable and prevent the electric leakage conduction, avoids the generation of accident.

Description of drawings

Fig. 1 is a strain clamp structural representation in the prior art.

Fig. 2 is the utility model structural representation.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:

Visible by Fig. 2: the utility model comprises: body 20; The material of described body 20 is the high strength ambroin.

The difference of the product of the utility model and prior art is to have changed the aluminium body into the high strength ambroin; This high strength ambroin is the material of prior art.

The utility model is formed structure: be made up of plastic body 20, aluminium rivet 30, the first plastics sandwich 40, the second plastics sandwich 70, steel wire rope 50, U type ring 60, hanging platform 80 and hangers 90.

The first plastics sandwich 40 and the second plastics sandwich 70 align and are assembled into taper structure, cooperate with the plastic body that the wedge shape inner chamber is arranged 20 assemblings, form wire casing 10 in the middle; The first plastics sandwich 40 and the second plastics sandwich 70 are designed with hangers 90 and can be buckled on the slide rail of plastic body 20; When the push-and-pull first plastics sandwich 40 and the second plastics sandwich 70; Two plastics sandwiches slide in the wedge shape inner chamber along the slide rail of plastic body 20, to change the width of wire casing 10; U type ring 60 is installed on the middle part of steel wire rope 50, and aluminium rivet 30 is riveted on the both ends of steel wire rope 50, is hung in the hole of hanging platform 80, is connected with plastic body 20.

The good effect of the utility model strain clamp shows:

First; The plastic body 20 of this wire clamp adopts the manufacturing of high strength ambroin, and this plastic material does not have corrosion basically at atmosphere and ocean climate environment, and its wedge shape inner chamber contact-making surface can keep surface roughness; The first plastics sandwich 40, the second plastics sandwich, 70 coefficient of sliding friction no changes; Can guarantee the gripping force of plastics sandwich, the repeatedly type approval test of logical laboratory, conformance with standard requirement to cable.

The second, in the bunched cable system, each cable twisting together, plastic body 20 is adopted in the design of this wire clamp, and insulation fully between other cable, both having made is damaged cable, also can insulate through plastic body 20, and prevent the electric leakage conduction, avoids the generation of accident.

Adopt the strain clamp of the utility model, during use:

At first, fixedly the cable position of stretch-draw is confirmed; The pull first plastics sandwich 40, the second plastics sandwich 70; The first plastics sandwich 40, the second plastics sandwich 70 are turned right along the slide rail of plastic body 20 slide into the place, location, wire casing 10 is opened widen into maximum.

The second, ready cable is put into the wire casing 10 of strain clamp from the wire casing front.

Three, the pushing first plastics sandwich 40, the second plastics sandwich 70; The first plastics sandwich 40, the second plastics sandwich 70 are slided in the wedge type inner chamber of plastic body 20 along the slide rail of plastic body 20; Clamping cables is fixed in strain clamp in the corresponding support afterwards, i.e. construction is accomplished.

Claims

1. a strain clamp comprises: body, aluminium rivet, the first plastics sandwich, the second plastics sandwich, steel wire rope, U type ring, hanging platform and hangers; It is characterized in that: the material of described body is the high strength ambroin; The described first plastics sandwich and the second plastics sandwich align and are assembled into taper structure, cooperate with the plastic body assembling that the wedge shape inner chamber is arranged, and form wire casing in the middle; The first plastics sandwich and the second plastics sandwich are designed with hangers and can be buckled on the slide rail of plastic body, and when the push-and-pull first plastics sandwich and the second plastics sandwich, two plastics sandwiches slide in the wedge shape inner chamber along the slide rail of plastic body, to change the width of wire casing; Described U type ring is installed on the middle part of steel wire rope, and aluminium rivet is riveted on the both ends of steel wire rope, is hung in the hole of hanging platform, is connected with plastic body.