CN210985460U

CN210985460U - A telescopic link for stringing

Info

Publication number: CN210985460U
Application number: CN201922421172.7U
Authority: CN
Inventors: 杨振; 张治�; 李明超; 程寅楦; 韩丽璇; 袁琪建; 李红江; 张宗凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-10
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a telescopic rod for tightening wire, relating to the technical field of electric power, comprising an inner rod and an outer rod which are coaxially arranged and can move mutually; the inner rod and the outer rod are both of a hollow structure, and a gear spring used for fixing the relative positions of the inner rod and the outer rod is arranged between the inner rod and the outer rod. The utility model discloses the current turn-buckle has effectively been solved and has removed inconvenient problem.

Description

A telescopic link for stringing

Technical Field

The utility model relates to an electric power tech field, concretely relates to a telescopic link for stringing.

Background

The tightener is a common tool for tightening the electric wire in the construction process of the electric network. In the wire tightening, it is necessary to fit a wire tightener over an electric wire to be tightened, and then tighten the electric wire by moving the wire tightener to a position away from a worker. At present, when the wire tightener is moved, only one long rod is usually used for operation, and the operation is very inconvenient. And the length of the long rod is fixed, and the operation of moving the wire tightener can be completed only by selecting the long rods with different lengths in part of wire drawing environments. In addition, the long pole is very inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model provides a telescopic link for stringing to solve the problem that current stock can't adjust length in a flexible way.

The following scheme is provided for solving the problems:

a telescopic rod for tightening a wire comprises an inner rod and an outer rod which are coaxially arranged and can move mutually; the inner rod and the outer rod are both of a hollow structure, and a gear spring used for fixing the relative positions of the inner rod and the outer rod is arranged between the inner rod and the outer rod.

The scheme has the advantages that:

through keeping off a position spring, adjust the relative position of interior pole and outer pole, and then adjust the length of whole telescopic link, the convenient telescopic link of selecting suitable length in the environment of various needs tightwires removes the operation of turn-buckle. Simultaneously, adjust the length of telescopic link, be convenient for shorten the back portable with the telescopic link.

The utility model discloses the problem of the unable nimble adjustment length of current stock has effectively been solved.

Furthermore, keep off the position spring including the first position spring, the second that are used for adjusting telescopic link total length lengthens in proper order and keep off position spring and third.

Through the fender position spring of three fender position, make telescopic rod structure can have the length adjustment of three fender position, make things convenient for telescopic rod structure extension or shorten.

Further, the inner rod and the outer rod are both tubular structures.

The tubular structure is convenient to manufacture and coaxially connected.

Furthermore, a first limiting ring, a second limiting ring and a third limiting ring are arranged on the inner rod corresponding to the first gear spring, the second gear spring and the third gear spring; the first gear spring, the second gear spring and the third gear spring are used for respectively preventing the first limiting ring, the second limiting ring and the third limiting ring from moving when not rotating.

The limiting ring is prevented from moving through the gear spring, so that the inner rod is prevented from moving, the inner rod is prevented from extending out of the outer rod, and when the gear spring is rotated, the limiting ring can conveniently penetrate through the gear spring, so that the inner rod can extend out of the outer rod.

Further, the inner rod is divided into a first gear inner rod, a second gear inner rod and a third gear inner rod by the first limiting ring, the second limiting ring and the third limiting ring; the first gear inner rod is an inner rod part between the tail of the inner rod and the first limiting ring; the second stop inner rod is an inner rod part between the first limiting ring and the second limiting ring; the third stop inner rod is an inner rod part between the second limiting ring and the third limiting ring.

The inner rod is divided into four parts by the three limiting rings, and three gears capable of adjusting the whole length are arranged.

Further, the part of the inner rod from the third limiting ring to the top of the inner rod is an initial extending part which extends out of the outer rod when the inner rod is not moved.

The initial extension part is an extension part when the inner rod does not extend out of the outer rod, and is convenient to be connected with structures such as a chuck. And the wire grip can be conveniently moved through the telescopic rod after being tightened with the wire grip through the chuck.

Further, the length of first fender position inner rod is 0.9 meters, the length of second fender position inner rod is 1.2 meters, the length of third fender position inner rod is 1.5 meters.

The gear inner rods with the lengths are convenient to select proper lengths to use in different environments.

Further, the end of the outer rod is connected with a wrist strap.

Through the wrist strap, the telescopic link can be avoided falling.

Drawings

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

Fig. 2 is the utility model discloses the structure sketch map of turn-buckle chuck of constitution.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the wrist strap type electric wrench comprises a chuck structure, a telescopic rod structure, a wrist strap 3, a first gear spring 4, a second gear spring 5, a third gear spring 6, an outer rod 7, an inner rod 8, a forward contact surface and a reverse contact surface.

The embodiment is basically as shown in the attached figure 1: a telescopic rod for tightening a wire comprises an inner rod 8 and an outer rod 7 which are coaxially arranged and can move mutually. The inner rod 8 and the outer rod 7 are both of hollow tubular structures, and a gear spring used for fixing the relative positions of the inner rod 8 and the outer rod 7 is arranged between the inner rod 8 and the outer rod 7. The gear spring comprises a first gear spring 4, a second gear spring 5 and a third gear spring 6 which are used for adjusting the total length of the telescopic rod structure to be sequentially lengthened. Interior pole 8 corresponds three fender position spring, divide into pole 8 in first fender position, pole 8 in second fender position and the pole 8 in the third fender position, and every keeps off the radial outside integrated into one piece of handing-over department of pole 8 in the position has a spacing ring, through the fender position spring and the spacing ring that correspond, can prevent this to keep off that pole 8 outwards stretches out in the position, only according to rotating fender position spring, just can make the spacing ring pass and keep off the position spring, makes this keep off that pole 8 outwards stretches out in the position. On the contrary, only when the gear spring is rotated reversely, the limiting ring can penetrate through the gear spring to enable the inner gear rod 8 to extend into the outer gear rod 7.

Through keeping off a position spring, make interior pole 8 and outer pole 7 relative position can adjust, and then can make whole telescopic link structure's length adjust. Through the fender position spring of three fender position, make telescopic rod structure can have the length adjustment of three fender position, make things convenient for telescopic rod structure extension or shorten.

In this embodiment, the length of the inner rod 8 in the first gear is 0.9 meter, the length of the inner rod 8 in the second gear is 1.2 meters, the length of the inner rod 8 in the third gear is 1.5 meters, the length of the initial extending part of the inner rod extending out of the outer rod is 0.76 meter, and when the telescopic rod is not used, the length of the inner rod 8 extending out of the outer rod 7 is 0.85 meter.

When the wrist band 3 is arranged at the tail end of the outer rod 7 for use, the wrist band can be sleeved on the wrist to prevent the outer rod 7 from slipping off when being held by the hand, and when the telescopic rod is not used temporarily, the wrist band 3 can be hung on a telegraph pole to prevent falling.

As shown in fig. 2, a chuck structure is installed on the initial extending portion of the inner rod to form a grip of the wire grip, so that the grip structure can be more conveniently connected with the wire grip. The chuck structure comprises a hook with a positive and negative bidirectional contact surface; the hook has a forward contact surface and a reverse contact surface, which are located in opposite directions. The forward contact surface and the reverse contact surface are both cambered surfaces. The forward contact surface is the surface remote from the end of the outer rod 7 and the reverse contact surface is the surface near the end of the outer rod 7.

Two opposite contact surfaces can be conveniently contacted with the wire grip from two opposite positions in the forward direction or the reverse direction, and the wire grip is conveniently pushed or pulled. The clamping head structure is arranged to be an arc surface, so that the clamping head structure can be in better contact with the wire tightener.

The hook is made of hard plastic and clings to the inner rod 8. The total length of the whole tightener chuck is 0.9 meter when not used, the longest length is 1.5 meters when used, the maximum width is 14 centimeters, and the minimum width is 36 centimeters.

Through the telescopic link of this embodiment, can reduce on the pole operation personnel work load more than 20%. By improving the method of tightening the wire, the time to tighten the wire is saved by 30%. Meanwhile, the force input cost is reduced by more than 20%.

Compare in current tight line method, utilize the telescopic link tight line in this embodiment, only need a small amount of work ground that is close to assist and act as go-between, adopt the telescopic link to push away the turn-buckle to suitable distance, after the tight line, withdraw the turn-buckle, can easily realize that heterogeneous wire tightens up the line simultaneously. The telescopic rod structure can stretch out and draw back, and the quality is light, and toughness is high, conveniently carries. The grip of the tightener has relatively simple structure, few parts, high reliability and difficult damage. The number of ground auxiliary personnel required during operation is small, and the labor input cost is saved. In addition, the working quality and efficiency can be improved.

The descriptions in the above embodiments and the like can be used to explain the contents of the claims.

Claims

1. A telescopic rod for tightening a wire is characterized by comprising an inner rod and an outer rod which are coaxially arranged and can move mutually; the inner rod and the outer rod are both of a hollow structure, and a gear spring used for fixing the relative positions of the inner rod and the outer rod is arranged between the inner rod and the outer rod.

2. The telescopic rod for stringing as claimed in claim 1, wherein the gear spring comprises a first gear spring, a second gear spring and a third gear spring for adjusting the total length of the telescopic rod to be longer in sequence.

3. The telescopic rod for tightening a wire according to claim 2, wherein the inner rod and the outer rod are both tubular structures.

4. The telescopic rod for tightening a wire according to claim 1, wherein the inner rod is provided with a first limit ring, a second limit ring and a third limit ring corresponding to the first gear spring, the second gear spring and the third gear spring; the first gear spring, the second gear spring and the third gear spring are used for respectively preventing the first limiting ring, the second limiting ring and the third limiting ring from moving when not rotating.

5. The telescopic rod for stringing as claimed in claim 4, wherein the first, second and third limiting rings divide the inner rod into a first, second and third inner rod; the first gear inner rod is an inner rod part between the tail of the inner rod and the first limiting ring; the second stop inner rod is an inner rod part between the first limiting ring and the second limiting ring; the third stop inner rod is an inner rod part between the second limiting ring and the third limiting ring.

6. The telescopic rod for tightening a wire according to claim 5, wherein the portion of the inner rod from the third stop collar to the top of the inner rod is an initial extension of the outer rod without moving the inner rod.

7. The telescopic rod for stringing as claimed in claim 5, wherein the first gear inner rod has a length of 0.9 m, the second gear inner rod has a length of 1.2 m, and the third gear inner rod has a length of 1.5 m.

8. The telescopic pole for tightening a wire according to claim 1, wherein a wrist strap is connected to an end of the outer pole.