CN217335007U

CN217335007U - High-strength preformed armor rods

Info

Publication number: CN217335007U
Application number: CN202221049345.2U
Authority: CN
Inventors: 林月; 严姗芝
Original assignee: Jiangsu Jinsanli Power Equipment Co ltd
Current assignee: Jiangsu Jinsanli Power Equipment Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-30
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a high strength preformed armor rods, the reinforcement that makes including many steel wires strip that continues, many reinforcements strip that continues middle part is turned round into twisted wire (1) of twist form, be used for cooperating with insulator (4) under the user state, many reinforcements strip that continues is located twisted wire (1) both sides and is crooked towards the same direction and turn round into spiral helicine landing leg (2), be used for twining and fixing under the user state on treating fixed cable conductor (3), the direction of spiral of two landing legs (2) is the same and the pitch equals, be provided with wearing parts on stranded wire (1), be used for separating stranded wire (1) and insulator (4) under the user state. The utility model discloses set up the wearing parts on the stranded conductor, separate stranded conductor and insulator mutually under the user state, make the friction between stranded conductor and insulator convert the friction between stranded conductor and wearing parts and insulator and wearing parts, improve the security that the use of stranded conductor and insulator is ordered and is used.

Description

High-strength preformed armor rods

Technical Field

The utility model relates to a high strength preformed armor rods belongs to the cable fixing field.

Background

The preformed armor rods are one of common tools for fixing the cable, the bent parts of the preformed armor rods are matched with the insulators, and the supporting legs of the preformed armor rods are wound on the cable to fix the cable. When the existing preformed armor rod is used, a stranded wire at the middle bent part of the preformed armor rod directly contacts with an insulator, the stranded wire wound on a cable rotates relative to the insulator due to the fact that the cable is blown by wind at high altitude, and the stranded wire and the insulator rotate relatively, so that mutual friction is generated, the preformed armor rod and the insulator are abraded, long-time abrasion can cause the preformed armor rod and the insulator to be broken, the service lives of the preformed armor rod and the insulator are prolonged, electric power transmission is also influenced, the cable is broken due to the fact that the electric power transmission is interrupted, and potential safety hazards also exist for personnel located below.

Disclosure of Invention

The utility model aims at providing a high strength preformed armor rod directly contacts with the insulator when solving the preformed armor rod among the prior art use, and friction between the two makes stranded conductor and insulator produce the technical defect of wearing and tearing easily.

In order to solve the above problems, the utility model adopts the following technical proposal: high strength preformed armor rod, the reinforcement strip that continues including many steel wires is made, the twisted wire that the twist into the twist form in the middle part that many reinforcements were continued the strip for cooperate with the insulator under the user state, many reinforcements are continued the strip and are located the both sides of twisted wire and are crooked towards the same direction and turn round into spiral helicine landing leg, be used for winding and fixing on treating fixed cable under the user state, the helical direction of two landing legs is the same and the pitch equals, be provided with wearing parts on the twisted wire, be used for separating twisted wire and insulator under the user state. The utility model discloses set up wearing parts on the stranded conductor, separate stranded conductor and insulator under the user state, avoid the mutual friction between the two and wearing and tearing stranded conductor or insulator, play the effect of protection to stranded conductor and insulator simultaneously.

As a further improvement, the wear-resistant part is a cylindrical wear-resistant sleeve, and the wear-resistant sleeve is sleeved on the stranded wire in a use state. The utility model discloses well wearing parts is the cylindric, directly overlaps when using and locates on the hank line, and is whole convenient the utility model discloses install with the cooperation of insulator.

As a further improvement of the utility model, the wear-resistant sleeve is made of silicon rubber. The utility model discloses a wear-resisting cover is made to silicon rubber, by silicon rubber's high temperature resistant, low temperature resistance ability, good wear resistance and insulating properties, improves wear-resisting cover's life.

As a further improvement, the length of the wear-resistant sleeve is more than or equal to that of the stranded wire. The utility model discloses a wear-resisting cover can separate the position that stranded conductor and insulator probably contacted is whole, and further avoid the wearing and tearing that stranded conductor and insulator produced because direct contact.

As a further improvement of the utility model, the wear-resistant piece is the wear-resistant plate that silicon rubber made, and the wear-resistant plate is convoluteed on the stranded conductor, and wherein the length of wear-resistant plate is more than or equal to the length of stranded conductor. The utility model discloses a wearing parts is the slice, directly convolutes on the stranded conductor when using, and further facilitate the use, and the width of wearing parts is not less than the length of stranded conductor, separates the position of stranded conductor and insulator contact completely.

As a further improvement of the utility model, the wear-resistant plate is wound on the stranded wire and is no less than one circle. The utility model discloses the round is no less than to well wear pad coiling stranded wire, and when the relative insulator of stranded wire rotated, the wear pad can not be easy break away from with stranded wire and insulator, further improves the utility model discloses a protection effect.

To sum up, the beneficial effects of the utility model are that: the utility model discloses set up wearing parts on the stranded conductor, separate stranded conductor and insulator mutually under the user state, make the friction between stranded conductor and insulator convert the friction between stranded conductor and wearing parts and insulator and wearing parts, even wearing parts is worn and torn because long-time use, stranded conductor and insulator can not worn and torn yet, improve the security that the use of stranded conductor and insulator is ordered and is used.

Drawings

Fig. 1 is a schematic view of the present invention in a state without a wear-resistant member.

Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of the use state of embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

Wherein: 1. stranding; 2. a support leg; 3. a cable wire; 4. an insulator; 5. a wear-resistant sleeve; 6. a wear-resistant sheet.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

Example 1

The high-strength pre-twisted wire as shown in fig. 1 to 3 comprises a plurality of reinforcing connecting strips made of steel wires, the reinforcing connecting strips are arranged in parallel and integrally twisted at the middle part to form a twisted wire 1 in a twist shape, the twisted wire 1 is bent into an arc shape in a use state, a supporting leg 2 which is used for matching with the insulator 4 in a use state, a plurality of reinforcing connecting strips are positioned at two sides of the stranded wire 1, the supporting leg 2 is bent towards the same direction and twisted into a spiral shape, the supporting leg 2 is used for winding and fixing on a cable 3 to be fixed in the use state, the stranded wire 1 and the supporting leg 2 are integrally in a U shape in the embodiment, the spiral directions of the two supporting legs 2 are the same, the pitches of the two supporting legs are equal, the projection formed on the plane of the supporting leg 2 vertical to the length direction is in a ring shape, the inner diameter of the ring is slightly larger than the diameter of a cable to be fixed, and the stranded wire 1 is provided with a wear-resistant part for separating the stranded wire 1 and the insulator 4 in a use state; wear-resisting piece in this embodiment adopts cylindric wear-resisting cover 5 to wear-resisting cover 5's internal diameter slightly is greater than the spiral external diameter of landing leg 2, wear-resisting cover 5 overlaps under the user state and locates on stranded conductor 1, when this embodiment is taut, wear-resisting cover 5 compresses tightly between stranded conductor 1 and insulator 4, landing leg 2 in this embodiment be used for with treat one side brush of fixed cable conductor 3 contact have glue and be stained with the grit, with increase its and treat the friction between fixed cable conductor 3, make the utility model discloses it is more firm to cable conductor 3 is fixed.

The wear-resistant sleeve 5 in this embodiment is preferably made of a silicon rubber material, and the length of the wear-resistant sleeve 5 in this embodiment is greater than or equal to the length of the stranded wire 1, and the length of the wear-resistant sleeve 5 in this embodiment is optimally set to be equal to the length of the stranded wire 1, in this embodiment, when in use, the wear-resistant sleeve 5 is firstly sleeved on the supporting leg 2 from one end of the supporting leg 2 and moves to the stranded wire 1 along the supporting leg 2, because the wear-resistant sleeve 5 made of the silicon rubber material has good bending performance, the stranded wire 1 can be bent and simultaneously matched with the shape of the insulator 4, in this embodiment, after the wear-resistant sleeve 5 is sleeved on the stranded wire 1, the supporting leg 2 is penetrated into the insulator 4 from one end of the supporting leg 2 until the insulator 4 is matched with the stranded wire 1, the wear-resistant sleeve 5 is located between the stranded wire 1 and the insulator 4, the stranded wire 1 and the insulator 4 are separated, so as to avoid the friction between the stranded wire 1 and the insulator 4 from damaging the stranded wire 4 and the stranded wire 1, and pulling the two support legs 2 towards opposite directions to enable the two support legs to be matched with each other to form a spiral cylinder, inserting the cable to be fixed into the spiral cylinder formed by the two support legs 2, and rotating the support legs 2 along the spiral directions of the support legs 2 to enable the support legs 2 to be tightly wound on the cable.

Example 2

The present embodiment is a further improvement on embodiment 1, and compared with embodiment 1, the wear-resistant member in this embodiment uses the wear-resistant sheet 6 made of silicon rubber, as shown in fig. 4, when in use, the wear-resistant sheet 6 is wound on the stranded wire 1, wherein the length of the wear-resistant sheet 6 is greater than or equal to the length of the stranded wire 1, and in this embodiment, the length of the wear-resistant sheet 6 is optimally set to be slightly greater than the length of the stranded wire 1, so that the wear-resistant sheet 6 can completely separate the stranded wire 1 from the insulator 4 when in use; the embodiment is preferably based on the fact that the width of the wear-resistant sheet 6 can be set by winding the wear-resistant sheet 6 on the stranded wire 1 for not less than one turn. The structure of the rest of this embodiment is the same as that of embodiment 1, and embodiment 1 may be referred to specifically, and details are not repeated in this embodiment.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. High strength preformed armor rod, the reinforcement that makes including many steel wires continues the strip, twisted into twisted wire (1) of twist shape at the middle part that many reinforcements continue the strip, be used for cooperating with insulator (4) under the user state, many reinforcements continue the strip and are located the both sides of twisted wire (1) and crooked and twist into spiral helicine landing leg (2) towards the same direction, be used for twine and fix on treating fixed cable conductor (3) under the user state, the spiral direction of two landing legs (2) is the same and the pitch equals, its characterized in that: the stranded wire (1) is provided with a wear-resistant part for separating the stranded wire (1) from the insulator (4) in a use state.

2. The high strength preformed armor rod according to claim 1, wherein: the wear-resistant part is a cylindrical wear-resistant sleeve (5), and the wear-resistant sleeve (5) is sleeved on the stranded wire (1) in a use state.

3. The high strength preformed armor rod according to claim 2, wherein: the wear-resistant sleeve (5) is made of silicon rubber.

4. The high strength preformed armor rod according to claim 2 or 3, wherein: the length of the wear-resistant sleeve (5) is greater than or equal to that of the stranded wire (1).

5. The high strength preformed armor rods of claim 1, wherein: the wear-resistant piece is a wear-resistant sheet (6) made of silicon rubber, the wear-resistant sheet (6) is wound on the stranded wire (1), and the length of the wear-resistant sheet (6) is larger than or equal to that of the stranded wire (1).

6. The high strength preformed armor rod according to claim 5, wherein: the wear-resistant sheet (6) is wound on the stranded wire (1) for at least one circle.