CN220421295U - Wire and cable threading auxiliary device - Google Patents

Abstract

The utility model relates to the technical field of wire and cable threading operation, in particular to a wire and cable threading auxiliary device which comprises a pulley, a steel bracket and a steel tube, wherein one end of the steel tube is sleeved with a threading tube, and the other end of the steel tube is fixed with the steel bracket; the steel bracket is in a horn shape, and a through hole is formed in the side wall of the steel bracket; the pulley is arranged in the through hole, a central shaft of the pulley is rotationally connected with the side wall of the steel bracket, and the pulley further comprises a fixed steel plate, wherein the fixed steel plate is L-shaped, one end of the fixed steel plate is fixed with the steel pipe, and the other end of the fixed steel plate is spaced from the steel pipe; the bolt hole has been seted up on fixed steel sheet surface, and the bolt runs through threading pipe and bolt hole in proper order and is fixed mutually with the bolt hole, and its mouth of pipe at the steel pipe is provided with the pulley, and wire and cable slides on the pulley, and is less to wire and cable's wearing and tearing.

Description

Wire and cable threading auxiliary device

Technical Field

The utility model relates to the technical field of wire and cable threading operation, in particular to a wire and cable threading auxiliary device.

Background

At present, in the process of laying wires and cables in the electromechanical installation engineering of a building, the position of a pipe orifice is often only polished, and the purpose of protecting the insulation skin of the wires and cables is generally achieved by adopting two auxiliary means of installing a plastic (rubber) pipe orifice protector on the pipe orifice and utilizing a metal cup to loosen an internal wire protecting opening, but the problems that the plastic pipe orifice protector is easy to wear and age, cannot be used for bridge threading and the like in the actual threading process are often caused.

The Chinese patent with publication number CN207303842U discloses a cable delivery auxiliary device, which comprises a base, a central rotating shaft, a bracket and an inclined strut; the support has two and vertical setting on the base, and the bracing sets up on the support, set up a plurality of through-holes on the support, the both ends of center pivot are respectively through penetrating the bolt in the support through-hole and with leg joint, and the base has the slide rail, and the support setting is in the slide rail, and two supports can follow the slide rail on the base and follow base length direction slip to the center pivot of support cooperation different length can adapt to the cable reel of different width, and the center pivot is the telescopic link with the tight ring locking mechanism that rises.

According to the patent, the size and the material of the section of the pipe can be adjusted according to the actual requirements of the site, repeated manufacturing is avoided, but the pipe orifice of the pipe is easy to scratch the insulation cover of the electric wire and the cable, so that the electric wire and the cable are damaged.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an electric wire and cable threading auxiliary device, wherein a pulley is arranged at the pipe orifice of a steel pipe, and an electric wire and cable slides on the pulley, so that the abrasion to the electric wire and cable is small.

The utility model provides the following technical scheme:

the wire and cable threading auxiliary device comprises a pulley, a steel bracket and a steel pipe, wherein one end of the steel pipe is sleeved with a threading pipe, and the other end of the steel pipe is fixed with the steel bracket; the steel bracket is in a horn shape, and a through hole is formed in the side wall of the steel bracket; the pulley is arranged in the through hole, and the center shaft of the pulley is rotationally connected with the side wall of the steel bracket.

Further, the steel pipe fixing device also comprises a fixing steel plate, wherein the fixing steel plate is L-shaped, one end of the fixing steel plate is fixed with the steel pipe, and the other end of the fixing steel plate is spaced from the steel pipe; bolt holes are formed in the surface of the fixed steel plate, and the bolts sequentially penetrate through the threading pipe and the bolt holes and are fixed with the bolt holes.

Further, the steel support is square horn-shaped, and the side walls of the steel support are all rotationally connected with a pulley.

Further, strip-shaped holes are formed in the middle of the side wall of the steel support, and empty slots are formed in the side wall of the steel support, opposite to the two ends of the strip-shaped holes; the two ends of the middle shaft are connected with the empty groove in a sliding way; the two ends of the middle shaft are threaded sections, the threaded sections are in threaded connection with nuts, and the nuts are fixed with steel brackets on the periphery of the empty groove.

Further, the pulley is a wood pulley.

The utility model has the following beneficial technical effects:

1. the pulley is arranged at the pipe orifice of the steel pipe, the electric wires and cables slide on the pulley, and the abrasion to the electric wires and cables is small.

2. According to the utility model, the fixed steel plate is fixed outside the steel pipe, and the steel pipe and the threading pipe or the bridge frame can be fixed through the fixed steel plate, so that the utility model can be used in a wider range.

3. The utility model has simple structure, convenient installation and disassembly, easy recovery, repeated use and no pollution waste.

4. The position of the pulley can be adjusted by tightening or loosening the nut so as to adapt to pulleys with different specifications, and the direction for guiding the electric wires and cables is further increased.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a right side view of the present utility model;

FIG. 4 is a front cross-sectional view of the present utility model;

fig. 5 is a schematic diagram of the connection structure of the pulley of the present utility model.

The reference numerals in the drawings are as follows:

1. a pulley; 11. a center shaft; 12. a nut; 13. a threaded section; 2. a steel bracket; 21. a hollow groove; 3. a steel pipe; 4. a wire cable; 5. fixing the steel plate; 6. bolt holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is described in further detail below with reference to the drawings.

As shown in fig. 1-3, the wire and cable threading auxiliary device of the embodiment comprises a pulley 1, a steel bracket 2 and a steel tube 3, wherein one end of the steel tube 3 is sleeved with a threading tube, and the other end of the steel tube 3 is fixed with the steel bracket 2; the steel bracket 2 is in a horn shape, and a through hole is formed in the side wall of the steel bracket 2; the pulley 1 is arranged in the through hole, and a center shaft 11 of the pulley 1 is rotationally connected with the side wall of the steel bracket 2.

The pulley 1 is arranged at the pipe orifice of the steel pipe 3, the electric wire and cable 4 slides on the pulley 1, and the abrasion to the electric wire and cable 4 is small. Meanwhile, labor force can be saved, and labor cost for polishing the pipe orifice is reduced.

Further, the steel pipe fixing device also comprises a fixing steel plate 5, wherein the fixing steel plate 5 is L-shaped, one end of the fixing steel plate 5 is fixed with the steel pipe 3, and the other end of the fixing steel plate 5 is spaced from the steel pipe 3; bolt holes 6 are formed in the surface of the fixed steel plate 5, and bolts sequentially penetrate through the threading pipe and the bolt holes 6 and are fixed with the bolt holes 6.

The fixed steel plate 5 is firmly welded with the steel pipe 3, and two bolt holes 6 are reserved on the fixed steel plate 5 for fixing, so that the utility model can be fixed on a pipeline or a bridge, and can be reliably fixed no matter vertically upwards, downwards or horizontally.

Further, the steel bracket 2 is square horn-shaped, and the side walls of the steel bracket 2 are all in rotary connection with a pulley 1.

Four pulleys 1 can be arranged on the square horn-shaped steel bracket 2, so that the utility model can carry out threading in four directions.

Further, strip-shaped holes are formed in the middle of the side wall of the steel support 2, and empty slots 21 are formed in the side wall of the steel support 2, opposite to the two ends of the strip-shaped holes; the two ends of the middle shaft 11 are connected with the empty groove 21 in a sliding way; the two ends of the center shaft 11 are threaded sections 13, the threaded sections 13 are in threaded connection with nuts 12, and the nuts 12 are fixed with the steel brackets 2 on the periphery of the empty grooves 21.

When the position of the pulley 1 is adjusted, nuts 12 at the two ends of the middle shaft 11 are loosened, so that the middle shaft 11 can slide in the empty groove 21; after the position is adjusted, the nut 12 is tightened, so that the nut 12 is tightly abutted with the steel bracket 2, and the effect of fixing the center shaft 11 and further fixing the pulley 1 is achieved. In this way, the present utility model can accommodate pulleys 1 of different specifications, and further increases the direction in which the electric wire and cable 4 is guided.

Further, the pulley 1 is a wooden pulley.

The wooden pulley can provide an electrical insulation condition, does not generate static electricity, and does not influence electronic instrument equipment and the like.

The application method of the embodiment is as follows:

firstly, the steel pipe 3 is inserted into the edge of a threading pipe orifice or a bridge, then bolts are inserted into the bolt holes 6 for screwing, and the fixed steel plate 5 and the threading pipe or the bridge are firmly fixed. After the device is fixed, the lead wire is threaded, then the lead wire passes through the pulley 1 and is connected with the electric wire and cable 4, the end of the electric wire and cable 4 is pulled to enable the end of the electric wire and cable 4 to pass through the pulley 1, the electric wire and cable 4 is placed in the groove of the pulley 1, whether the angle of the electric wire and cable 4 entering the pipe is proper or not is observed, and the lead wire is continuously pulled until the lead wire is laid in place after no sharp objects are contacted.

After laying in place, the fastening bolt is dismounted, the whole device is dismounted, and the device can be reused in the next threading.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (5)

1. The wire and cable threading auxiliary device is characterized by comprising a pulley (1), a steel bracket (2) and a steel tube (3), wherein one end of the steel tube (3) is sleeved with a threading tube, and the other end of the steel tube (3) is fixed with the steel bracket (2); the steel bracket (2) is in a horn shape, and a through hole is formed in the side wall of the steel bracket (2); the pulley (1) is arranged in the through hole, and a center shaft (11) of the pulley (1) is rotationally connected with the side wall of the steel bracket (2).

2. The wire and cable threading auxiliary device according to claim 1, further comprising a fixed steel plate (5), wherein the fixed steel plate (5) is L-shaped, one end of the fixed steel plate (5) is fixed with the steel pipe (3), and the other end of the fixed steel plate (5) is spaced from the steel pipe (3); bolt holes (6) are formed in the surface of the fixed steel plate (5), and the bolts sequentially penetrate through the threading pipe and the bolt holes (6) and are fixed with the bolt holes (6).

3. A wire and cable threading aid as claimed in claim 1, characterized in that the steel support (2) is square and trumpet-shaped, and the side walls of the steel support (2) are both rotatably connected with a pulley (1).

4. The wire and cable threading auxiliary device according to claim 1, wherein strip-shaped holes are formed in the middle of the side wall of the steel bracket (2), and empty slots (21) are formed in the side wall of the steel bracket (2) opposite to the two ends of the strip-shaped holes; the two ends of the middle shaft (11) are in sliding connection with the empty groove (21); the two ends of the middle shaft (11) are threaded sections (13), the threaded sections (13) are in threaded connection with nuts (12), and the nuts (12) are fixed with the steel support (2) at the periphery of the empty groove (21).

5. A wire and cable threading aid according to claim 1, characterized in that the pulley (1) is a wooden pulley.