CN215419340U

CN215419340U - Novel double-hook electric power cable straight line turn-buckle

Info

Publication number: CN215419340U
Application number: CN202121397269.XU
Authority: CN
Inventors: 黄程章
Original assignee: Guangdong Jingcheng Power Equipment Co ltd
Current assignee: Guangdong Jingcheng Power Equipment Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-04
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a novel double-hook electric power cable linear tightener which comprises a fixed plate, wherein a limiting plate for clamping a street code is arranged at the upper end of the fixed plate, fastening holes for fastening bolts to pass through are formed in the two ends of the fixed plate, and the fixed plate is connected with a fixed hook through the fastening bolts. The inner side of the buckling wire plate is provided with a wire cable groove for the wire cable to be clamped in, and the outer side of the buckling wire plate is provided with a fixing groove for the fixing hook to be clamped in. One end of the fixing hook is connected with the wiring board, the other end of the fixing hook is connected with the fixing plate, and the fixing hook pulls the wiring board to lean against the street sign indicating number when the fastening bolt is tightened. The insulating protective sleeve is wrapped on the outer side of the fixing plate correspondingly to the shape of the fixing plate. Compared with the prior art, the utility model has the following advantages: the installation is convenient, and the working efficiency of constructors can be greatly improved. The line board is buckled to the fixed hook respectively from the equidirectional, and the reliability of this turn-buckle is improved more steadily to the structure. Insulating protective sheath and insulating hook cover can effectively prevent the emergence of the creepage condition, improve the security performance of this turn-buckle.

Description

Novel double-hook electric power cable straight line turn-buckle

Technical Field

The utility model relates to the technical field of power equipment, in particular to a novel double-hook power cable linear tightener.

Background

Power tighteners are tools used by overhead lines to tighten the wires during laying. In the existing double-hook electric power cable linear tightener, a sleeve is generally adopted to connect two threaded rods with hooks, and when the tightener is used, a cable is tightened through the hooks by tightening bolts. However, the double-hook power cable linear tightener in the prior art has the following problems: on the one hand, the structure is complex, and the operation of workers is difficult, so that the working efficiency is low. On the other hand, the double-hook electric power cable linear tightener in the prior art cannot completely isolate the metal part of the tightener from the external part, has creepage risk, and has poor heat aging resistance and higher failure rate, and cannot ensure the working stability of the tightener.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provides a novel double-hook power cable linear tightener.

In order to achieve the purpose, the utility model adopts the following scheme:

a novel double hook power cable straight line turn-buckle, includes:

the upper end of the fixed plate is provided with a limiting plate for clamping the street code, the two ends of the fixed plate are provided with fastening holes for the fastening bolts to pass through, and the fixed plate is connected with the fixed hook through the fastening bolts;

the inner side of the wire buckling plate is provided with a cable groove for a cable to be clamped in, and the outer side of the cable groove is provided with a fixing groove for a fixing hook to be clamped in;

one end of the fixing hook is connected with the wiring board, the other end of the fixing hook is connected with the fixing plate, and the fixing hook pulls the wiring board to lean against the street sign when the fastening bolt is tightened;

insulating protective sheath, insulating protective sheath and the corresponding parcel of fixed plate shape are in the fixed plate outside.

Furthermore, the fixed plate is also provided with a fixed hole, and the limiting plate is fixedly connected with the fixed plate through the fixed hole.

Furthermore, the limiting plate intermediate position is equipped with the arc draw-in groove that corresponds with street sign indicating number size, and the limiting plate passes through arc draw-in groove and street sign indicating number zonulae occludens.

Furthermore, be equipped with in the arc draw-in groove and be used for preventing limiting plate and street code gliding anti-skidding line relatively, improved the structure steadiness of this novel double-hook electric power cable straight line turn-buckle.

Furthermore, an insulating hook sleeve is sleeved at the contact position of the fixed hook and the buckling line plate. The emergence of the condition of can effectively preventing to climb electricity improves the security performance of this turn-buckle.

Furthermore, the fixed groove is internally provided with a bulge for positioning, and the hook of the fixed hook is provided with a positioning groove corresponding to the bulge. Whether constructor perception fixed hook installation of being convenient for during the installation targets in place, simple structure simple to operate.

Furthermore, the fixing hook and the fastening nut are made of 304 stainless steel, the longitudinal elastic modulus of the fixing hook and the fastening nut is 193-200 kN/mm2, the tensile strength is not lower than 515MPa, and the conditional yield strength is not lower than 205 MPa.

Furthermore, the insulating protective sleeve and the insulating hook sleeve are made of polypropylene materials, and the polypropylene materials can enable the insulating protective sleeve and the insulating hook sleeve to be not less than 168 hours at the temperature of 100 ℃ in duration, so that the phenomena of mechanical damage, deformation and color change are avoided. The emergence of the condition of can effectively preventing to climb electricity improves the security performance of this turn-buckle.

Furthermore, the insulating protective sleeve and the insulating hook sleeve are sleeved in a sodium chloride solution with the concentration of 5%, the temperature is 33-37 ℃, and the surface of the product is not corroded within 48 hours. The bearing capacity of the wire grip facing various extreme weathers is improved, and the working stability of the wire grip is greatly improved.

Furthermore, the fixing hooks are arranged at two ends of the fixing plate in a positive and negative mode, and the fixing plate is an S-shaped fixing plate. The line board is buckled to the fixed hook respectively from the equidirectional, and the reliability of this turn-buckle is improved more steadily to the structure.

Compared with the prior art, the utility model has the following advantages: the novel double-hook electric power cable linear tightener is simple in structure, and convenient to install, and the working efficiency of constructors can be greatly improved. And secondly, the fixing hooks hook the wire fastening plate from different directions respectively, so that the structure is more stable and the reliability of the wire tightener is improved. Third, insulating protective sheath and insulating hook cover can effectively prevent the emergence of the creepage condition, improve the security performance of this turn-buckle.

Drawings

The present application will be described in further detail with reference to the following drawings and detailed description.

Fig. 1 is a schematic view of the overall structure of a novel double-hook power cable linear tightener of the present invention.

Fig. 2 is an overall assembly view of a novel double hook power cable linear turnbuckle of the present invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1, a novel double-hook power cable straight-line tightener includes:

the fixing plate comprises a fixing plate 1, wherein a limiting plate 4 for clamping a street code is arranged at the upper end of the fixing plate 1, fastening holes 101 for fastening bolts 5 to penetrate through are formed in the two ends of the fixing plate 1, and the fixing plate 1 is connected with a fixing hook 2 through the fastening bolts 5;

the inner side of the wire buckling plate 3 is provided with a cable groove 302 for a cable to be clamped in, and the outer side of the wire buckling plate 3 is provided with a fixing groove 301 for the fixing hook 2 to be clamped in;

one end of the fixing hook 2 is connected with the wiring board 3, the other end of the fixing hook 2 is connected with the fixing plate 1, and the fixing hook 2 pulls the wiring board 3 to lean against the street sign when the fastening bolt 5 is tightened;

insulating protective sheath 6, insulating protective sheath 6 corresponds the parcel in the fixed plate 1 outside with fixed plate 1 shape.

Preferably, the fixing plate 1 is further provided with a fixing hole 102, and the limiting plate 4 is fixedly connected with the fixing plate 1 through the fixing hole 102.

Preferably, the middle position of the limiting plate 4 is provided with an arc-shaped clamping groove 401 corresponding to the size of the street code, and the limiting plate 4 is tightly connected with the street code through the arc-shaped clamping groove 401.

Preferably, be equipped with in the arc draw-in groove 401 and be used for preventing limiting plate 4 and street code gliding anti-skidding line relatively, improved the structure steadiness of this novel double-hook electric power cable straight line turn-buckle.

Preferably, an insulating hook sleeve 201 is sleeved at the contact position of the fixing hook 2 and the buckling wire plate 3. The emergence of the condition of can effectively preventing to climb electricity improves the security performance of this turn-buckle.

As shown in fig. 1, preferably, a protrusion 304 for positioning is provided in the fixing groove 301, and a positioning groove 202 corresponding to the protrusion 304 is provided at a hook of the fixing hook 2. Whether constructor perception fixed hook 2 installation of being convenient for during the installation targets in place, simple structure simple to operate.

Preferably, the fixing hook 2 and the fastening nut are made of 304 stainless steel, the longitudinal elastic modulus of the fixing hook 2 and the fastening nut is 193-200 kN/mm2, the tensile strength is not lower than 515MPa, and the conditional yield strength is not lower than 205 MPa.

Preferably, the insulating protective sleeve 6 and the insulating hook sleeve 201 are both made of polypropylene, and the polypropylene can ensure that the insulating protective sleeve 6 and the insulating hook sleeve 201 have no mechanical damage, deformation or discoloration phenomena when the temperature is 100 ℃ and the duration is not less than 168 hours. The emergence of the condition of can effectively preventing to climb electricity improves the security performance of this turn-buckle.

Preferably, the insulating protective sleeve 6 and the insulating hook sleeve 201 are free of corrosion on the surface of the product in 5% sodium chloride solution at the temperature of 33-37 ℃ within 48 hours. The bearing capacity of the wire grip facing various extreme weathers is improved, and the working stability of the wire grip is greatly improved.

As shown in fig. 2, preferably, the fixing hooks 2 are arranged at two ends of the fixing plate 1 in a right-and-left direction, and the fixing plate 1 is an S-shaped fixing plate 1. The fixing hook 2 hooks the wire fastening plate 3 from different directions respectively, and the structure is more stable, so that the reliability of the wire tightener is improved.

Compared with the prior art, the utility model has the following advantages: the novel double-hook electric power cable linear tightener is simple in structure, and convenient to install, and the working efficiency of constructors can be greatly improved. And secondly, the fixing hook 2 hooks the wire fastening plate 3 from different directions respectively, so that the structure is more stable and the reliability of the wire tightener is improved. Third, insulating protective sheath 6 and insulating hook cover 201 can effectively prevent the emergence of the creepage condition, improve the security performance of this turn-buckle.

The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.

Claims

1. The utility model provides a novel double hook electric power cable straight line turn-buckle which characterized in that includes:

the upper end of the fixed plate is provided with a limiting plate for clamping a street code, two ends of the fixed plate are provided with fastening holes for fastening bolts to pass through, and the fixed plate is connected with the fixed hook through the fastening bolts;

one end of the fixing hook is connected with the wire buckling plate, the other end of the fixing hook is connected with the fixing plate, and the fixing hook pulls the wire buckling plate to lean against the street sign when the fastening bolt is tightened;

and the insulating protective sleeve is correspondingly wrapped on the outer side of the fixed plate in the shape of the fixed plate.

2. The novel double-hook power cable linear tightener of claim 1, wherein the fixing plate is further provided with a fixing hole, and the limiting plate is fixedly connected with the fixing plate through the fixing hole.

3. The novel double-hook electric power cable linear tightener as claimed in claim 1, wherein an arc-shaped slot corresponding to the size of the street code is arranged in the middle of the limiting plate, and the limiting plate is tightly connected with the street code through the arc-shaped slot.

4. The novel double-hook electric power cable linear tightener of claim 3, characterized in that anti-slip lines for preventing the limiting plate and the street code from sliding relatively are arranged in the arc-shaped clamping groove.

5. The novel double-hook power cable linear tightener of claim 1, wherein an insulating hook sleeve is sleeved on a contact position of the fixed hook and the wire buckling plate.

6. The novel double-hook power cable linear tightener of claim 1, wherein a protrusion for positioning is arranged in the fixing groove, and a positioning groove corresponding to the protrusion is arranged at the hook of the fixing hook.

7. The novel double-hook power cable linear tightener of claim 1, wherein the fixed hook and the tightening nut are made of 304 stainless steel, the longitudinal elastic modulus of the fixed hook and the tightening nut is 193-200 kN/mm2, the tensile strength is not lower than 515MPa, and the conditional yield strength is not lower than 205 MPa.

8. The novel double-hook power cable linear tightener of claim 5, wherein the insulating protective sleeve and the insulating hook sleeve are both made of polypropylene, and the polypropylene enables the insulating protective sleeve and the insulating hook sleeve to be at 100 ℃ for not less than 168 hours without mechanical damage, deformation or discoloration.

9. The novel double-hook power cable linear tightener of claim 8, wherein the insulating protective sleeve and the insulating hook sleeve are made of sodium chloride solution with concentration of 5%, and the surface of the product is free from corrosion within 48 hours at the temperature of 33-37 ℃.

10. The novel double-hook power cable linear tightener of claim 1, wherein the fixed hooks are arranged at two ends of the fixed plate in a straight-forward and reverse manner, and the fixed plate is an S-shaped fixed plate.