CN219041246U

CN219041246U - High-voltage cable laying convenient pipe penetrating device

Info

Publication number: CN219041246U
Application number: CN202223184819.7U
Authority: CN
Inventors: 乔代岩; 温矿生; 李璐; 鄢紫薇; 王美文; 田晓曦; 解子瑶; 孙艺琳; 张露饶; 李希桐
Original assignee: State Grid Fuxin Electric Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Fuxin Electric Power Supply Co; State Grid Corp of China SGCC
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-16
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a convenient poling ware of high tension cable laying, includes the cable sleeve of fixed cover in the outside of high tension cable, its special character is: the cable shaft sleeve is regular polygon in appearance, a plurality of mounting grooves are evenly distributed on the outer wall of the cable shaft sleeve along the circumferential direction, rectangular grooves are formed in two ends of each mounting groove, elastic sliding blocks are respectively inserted into the rectangular grooves in two ends of each mounting groove, rotatable elastic roll shafts are arranged between the elastic sliding blocks in two ends, shaft heads at two ends of each elastic roll shaft are connected with the elastic sliding blocks in an inserting mode through clearance fit, and pressure springs are respectively arranged between the elastic sliding blocks and the inner bottom surfaces of the rectangular grooves and used for achieving elastic expansion of the elastic sliding blocks and the elastic roll shafts. The beneficial effects are that: the friction between the high-voltage cable and the cable laying pipe can be greatly reduced, the cable laying resistance is effectively reduced, the cable is not easy to clamp, the cable is prevented from being damaged when being dragged, and the cable laying device is convenient and quick to use. The elastic roll shaft can be better attached to the inner wall of the cable tube, and the high-voltage cable can be ensured to be arranged more smoothly.

Description

High-voltage cable laying convenient pipe penetrating device

Technical Field

The utility model relates to the technical field of power transmission line operation, in particular to a portable lifting device for power transmission live working.

Background

At present, high-voltage cables are laid, maintained and recycled, the friction force of the high-voltage cables and cable tubes is large, and the tube penetrating and stretching are very difficult. The high-voltage cable laying pipe penetrating device greatly reduces friction between the high-voltage cable and a laying cable pipe and reduces resistance. Avoiding the damage of the cable during the dragging. The high-voltage cable is convenient to lay and recycle.

The Chinese patent application with publication number of CN105375402A discloses a power cable poling laying antifriction device, which comprises a cable sleeve capable of penetrating and fixing a cable and rolling balls uniformly embedded on the outer cylindrical side surface of the cable sleeve, wherein the spherical top end of the rolling ball is higher than the round side surface of the cable sleeve, the cable sleeve is provided with a rolling ball accommodating cavity, and the rolling ball accommodating cavity is in clearance fit with the rolling ball to enable the rolling ball to roll in the rolling ball accommodating cavity. Through the contact of the rolling ball and the inner wall surface of the pipeline, the mode that the original cable is directly contacted with the pipeline surface is changed, and the friction resistance of the pipeline when laying and pulling can be greatly reduced.

The rolling friction mode of the rolling ball embedded in the shaft sleeve reduces the resistance of cable laying, but because the outdoor construction environment is complex, sand dust and soil are easily embedded into the rolling ball accommodating cavity, so that the rolling balls are difficult to roll and are easy to clamp; therefore, the convenient requirements of cable laying can not be ensured when the cable laying device is used.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a convenient pipe penetrating device for high-voltage cable laying, which can effectively reduce the cable laying resistance, is not easy to cause clamping, avoids damage of a cable during dragging and is convenient and quick to use.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a convenient poling ware of high tension cable laying, includes the cable sleeve that can fixed cover establish in the high tension cable outside, its special character is: the cable shaft sleeve is regular polygon in appearance, a plurality of mounting grooves are evenly distributed on the outer wall of the cable shaft sleeve along the circumferential direction, rectangular grooves are formed in two ends of each mounting groove, elastic sliding blocks are respectively inserted into the rectangular grooves in two ends of each mounting groove, rotatable elastic roll shafts are arranged between the elastic sliding blocks in two ends, shaft heads at two ends of each elastic roll shaft are connected with the elastic sliding blocks in an inserting mode through clearance fit, and pressure springs are respectively arranged between the elastic sliding blocks and the inner bottom surfaces of the rectangular grooves and used for achieving elastic expansion of the elastic sliding blocks and the elastic roll shafts.

As a further preferable mode, inner clamping edges are symmetrically arranged on the inner walls of the two sides of the rectangular groove, outer clamping edges are symmetrically arranged on the two sides of the elastic sliding block, and the outer clamping edges are clamped at the corresponding inner clamping edges under the action of the pressure springs and used for limiting the elastic sliding block.

As a further preferable mode, two sides of the middle of the installation groove are outwards convex arc-shaped, the middle of the elastic roll shaft is flower-drum-shaped, and a gap is formed between the outer edge of the elastic roll shaft and the edge of the middle of the installation groove.

Preferably, the cable sleeve is regular octagon, and the elastic roll shafts are four uniformly distributed circumferentially.

As a further preferable mode, the cable shaft sleeve is formed by detachably connecting two symmetrical parts after being buckled through bolts on two sides, so that the cable shaft sleeve is convenient to install.

Further preferably, a spiral tooth is arranged in the inner hole of the cable sleeve so as to realize firm clamping on the high-voltage cable after installation.

The utility model has the following beneficial effects:

1. the pipe penetrating devices are uniformly distributed and clamped outside the high-voltage cable, friction between the high-voltage cable and a laying cable pipe can be greatly reduced through rotation of the elastic roller shaft, the cable laying resistance is effectively reduced, the cable is not easy to clamp, damage of the cable during dragging is avoided, and the pipe penetrating device is convenient and fast to use.

2. Because the pressure springs are respectively arranged between the elastic sliding block and the inner bottom surface of the rectangular groove, the elastic expansion and contraction of the elastic sliding block and the elastic roll shaft can be realized; the elastic roll shaft can be automatically fine-tuned according to the change of the inner diameter and the straightness of the cabling pipe, so that the elastic roll shaft is better attached to the inner wall of the cabling pipe, and the high-voltage cable is ensured to be arranged more smoothly.

Drawings

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

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a B-B cross-sectional view of FIG. 2;

fig. 5 is a schematic installation view of the present utility model.

Detailed Description

The utility model will be further described with reference to the accompanying drawings. Referring to fig. 1-5, the high-voltage cable laying convenient pipe penetrating device provided by the utility model comprises a cable sleeve 1 which can be fixedly sleeved outside a high-voltage cable, wherein the cable sleeve 1 is formed by detachably connecting two symmetrical parts which are buckled and then are connected through bolts 2 on two sides, so that the high-voltage cable laying convenient pipe penetrating device is convenient to install. The two opposite ends of the two parts are respectively provided with an integrated connecting sleeve 101, and the connecting sleeves 101 positioned on the same side after the two parts are buckled are concentrically attached together and are used for penetrating the bolts 2.

The cable sleeve 1 is regular polygon in appearance, has a plurality of mounting grooves 103 at cable sleeve 1 outer wall along circumferencial direction equipartition, and the inner wall of every mounting groove 103 middle part both sides is the arc of evagination, and both ends are rectangular groove, have inserted elasticity slider 4 respectively in the rectangular groove at mounting groove 103 both ends to install rotatable elasticity roller 3 between elasticity slider 4 at both ends, elasticity roller 3 middle part is the flower-drum form, and both ends are equipped with the spindle nose and peg graft through clearance fit with the mounting hole of establishing on elasticity slider 4, are equipped with compression spring 5 respectively in elasticity slider 4 and the rectangular groove bottom surface that corresponds between for realize elasticity slider 4 and elasticity roller 3 flexible.

Inner clamping edges 104 are symmetrically arranged on inner walls of two sides of the rectangular grooves at two ends of the mounting groove 103, the width of the rectangular grooves below the inner clamping edges 104 is larger than the width of the inner clamping edges 104, outer clamping edges 401 are symmetrically arranged on two sides of the elastic sliding block 4, and the outer clamping edges 401 are clamped at the corresponding inner clamping edges 104 under the action of the pressure springs 5 and used for limiting the elastic sliding block 4 when extending.

The drum-shaped outer edge in the middle of the elastic roll shaft 3 and the middle edge of the mounting groove 103 form a gap for discharging dust entering the mounting groove 103 along with the rotating elastic roll shaft 3, so that the elastic roll shaft 3 cannot be blocked.

The maximum radius between the middle outer edge of the elastic roll shaft 3 and the center of the cable shaft sleeve 1 is larger than the maximum radius between the elastic slide block 4 and the center of the cable shaft sleeve 1, so that the middle outer edge of the elastic roll shaft 3 is contacted with the inner wall of the cable tube during installation.

The cable sleeve 1 is regular octagon, and the installation groove 103 and the elastic roll shaft 3 are four evenly distributed circumferentially. The inner hole of the cable sleeve 1 is provided with a spiral tooth 102 so as to realize firm clamping on a high-voltage cable after installation. The cable sleeve 1, the elastic sliding block 4 and the elastic roller shaft 3 are made of engineering plastic materials, so that the insulativity and the corrosion resistance are improved, and the manufacturing cost is reduced.

When the high-voltage cable 6 is used, a plurality of pipe penetrating devices are uniformly distributed on the outer surface of the high-voltage cable 6 along the axial direction of the high-voltage cable, when each pipe penetrating device is installed, one bolt 2 connected between two parts of the cable sleeve 1 is detached, the other bolt 2 is loosened, the cable sleeve 1 can be sleeved outside the cable, and then the detached bolt 2 is installed. When the high-voltage cable is laid, the elastic roller shaft 3 can be better attached to the inner wall of the cable tube 7 under the action of the pressure spring, so that friction between the high-voltage cable and the cable tube can be greatly reduced through rotation of the elastic roller shaft 3, and the high-voltage cable can smoothly penetrate into the cable tube, so that the high-voltage cable laying device is convenient and quick to use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a convenient poling ware of high tension cable laying, is characterized by including the cable sleeve that can fixed cover establish in the high tension cable outside: the cable shaft sleeve is regular polygon in appearance, a plurality of mounting grooves are evenly distributed on the outer wall of the cable shaft sleeve along the circumferential direction, rectangular grooves are formed in two ends of each mounting groove, elastic sliding blocks are respectively inserted into the rectangular grooves in two ends of each mounting groove, rotatable elastic roll shafts are arranged between the elastic sliding blocks in two ends, shaft heads at two ends of each elastic roll shaft are connected with the elastic sliding blocks in an inserting mode through clearance fit, and pressure springs are respectively arranged between the elastic sliding blocks and the inner bottom surfaces of the rectangular grooves and used for achieving elastic expansion of the elastic sliding blocks and the elastic roll shafts.

2. The high voltage cabling easy tube penetrating machine according to claim 1, wherein: the inner walls at two sides of the rectangular groove are symmetrically provided with inner clamping edges, the two sides of the elastic sliding block are symmetrically provided with outer clamping edges, and the outer clamping edges are clamped at corresponding inner clamping edges under the action of the pressure springs and used for limiting the elastic sliding block.

3. The high voltage cabling portable pipe cutter of claim 1 or 2, wherein: the two sides of the middle part of the mounting groove are outwards convex arc-shaped, the middle part of the elastic roll shaft is flower-drum-shaped, and a gap is formed between the outer edge of the elastic roll shaft and the edge of the middle part of the mounting groove.

4. The high voltage cabling easy tube penetrating machine according to claim 1, wherein: the cable sleeve is regular octagon, and the elastic roll shaft is four uniformly distributed circumferentially.

5. The high voltage cabling easy tube penetrating machine according to claim 1 or 4, wherein: the cable sleeve is formed by detachably connecting two symmetrical parts which are buckled through bolts on two sides, so that the cable sleeve is convenient to install.

6. The high voltage cabling easy tube threading machine of claim 5 wherein: the inner hole of the cable sleeve is provided with spiral teeth so as to realize firm clamping on the high-voltage cable after installation.