CN209881245U - Distribution network cable discharges support - Google Patents

Abstract

The utility model relates to a distribution network cable discharges support belongs to power transmission and distribution auxiliary assembly field. The releasing bracket utilizes angle steel to build a frame structure in a shape like a Chinese character 'jing', and the cable pulley arranged in the middle of the releasing bracket achieves the purposes of preventing the cable from falling off and normally releasing the cable through the frame structure. The release bracket has simple structure and composition, the working group can automatically process by the existing tool, and the processing difficulty is low; the cable trench wall can be adjusted according to the construction environment, the cable trench wall is used as a fulcrum of the angle steel during operation, other cables can be protected from being influenced, and the practicability is good; the time of adjusting the cable pulley is reduced, the total time of cable discharge is greatly shortened, and the construction cost and the labor cost of cable laying are reduced.

Description

Distribution network cable discharges support

Technical Field

The utility model belongs to power transmission and distribution auxiliary assembly field, concretely relates to distribution network cable discharges support.

Background

At present, the rodless city becomes an important component of power grid construction work, and the laying demand of power cables is increased year by year. When a cable trench is built or a cable pipeline is buried in a city, the situation that a non-straight line section or the buried cable pipeline needs to be avoided is inevitable, a cable channel is forced to turn, the angle of the curve of a part of the cable trench is even close to 90 degrees, and great inconvenience is brought to cable laying.

At present, YJV22-3 multiplied by 150mm is laid on a 10kV power distribution network²In the above cable construction, the necessary traction mechanical equipment is often used for mechanically releasing the cable, and constructors mainly use cement piers or wood piers for supporting and fixing the cable pulley, so that the cable pulley is collapsed by the steel wire rope and the cable under the action of traction force, and the cable laying work is interrupted. In order to ensure that the steel wire rope cannot damage other electrified cables, the cable pulley needs to be reinforced again at the moment, repeated reinforcement can increase the construction difficulty, and the construction time is prolonged. Therefore, it is very important to design a practical power distribution network cable releasing bracket.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a distribution network cable discharges support reduces the time of adjustment cable coaster in order to shorten the cable and discharges the total time.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a distribution network cable discharges support, includes coaster supporting structure and cable pulley, coaster supporting structure can dismantle the groined type frame construction that the connection formed by a plurality of angle steel, and the cable pulley is fixed in this coaster supporting structure's middle part department.

Furthermore, a plurality of connecting holes are formed in each angle steel in the pulley support structure at intervals, and the angle steels are connected with each other through bolts penetrating through the connecting holes.

Furthermore, the connecting hole is a waist-shaped hole.

Furthermore, the structure of cable pulley mainly comprises the frame that the cross-section is L shape and fixes three fixed pulley on the frame, and two fixed pulley intervals and parallel ground set up on the horizontal side of frame, and the third fixed pulley is located between two fixed pulleys and sets up on the vertical side of frame, and the central axis of third fixed pulley is mutually perpendicular with the central axis of two horizontally arranged fixed pulleys.

Furthermore, the angle steel is galvanized angle steel with the specification of 60 × 6.

Furthermore, the pulley support structure is detachably connected with clamping pieces with clamping grooves, the two clamping pieces are oppositely arranged, and the clamping grooves on the two clamping pieces correspond to holes for passing through cables.

The beneficial effects of the utility model reside in that:

(1) the release bracket has simple structure and composition, the working group can automatically process by the existing tool, and the processing difficulty is low;

(2) the size can be determined according to the width of the cable pulley and the cable channel, and the application range is wide;

(3) the safety coefficient is high, the degree of damage of the outer insulation of the cable middle head is below 10%, and the damage to the outer insulation of the cable is small;

(4) the cable trench wall can be adjusted according to the construction environment, the cable trench wall is used as a fulcrum of the angle steel during operation, other cables can be protected from being influenced, and the practicability is good;

(5) the bracket can fix not only a linear cable pulley but also a corner cable pulley, is simultaneously adapted to the cable middle head manufactured in the earlier stage of a team and can realize project butt joint;

(6) the time of adjusting the cable pulley is reduced, the total time of cable discharge is greatly shortened, and the construction cost and the labor cost of cable laying are reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of the present invention.

Reference numerals:

pulley support structure-1, horizontal angle steel-101, vertical angle steel-102, vertical angle steel-103, connecting hole-104, cable pulley-2, frame-201, fixed pulley-202, fixed pulley-203, fastener-3, draw-in groove-301.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Please refer to fig. 1, which is a power distribution network cable releasing bracket, comprising a pulley bracket structure 1 and a cable pulley 2, wherein the pulley bracket structure 1 is a groined frame structure formed by detachably connecting a plurality of angle steels, and the cable pulley 2 is fixed at the middle part of the pulley bracket structure.

Specifically, the plurality of angle steels forming the pulley bracket structure 1 comprise transverse angle steels 101, vertical angle steels 102 and longitudinal angle steels 103, a plurality of connecting holes 104 are formed in each angle steel at intervals, and the angle steels are detachably connected through bolts penetrating through the connecting holes. The splicing length of each angle steel can be controlled according to the requirement, so that the size of the space # -shaped frame structure is controlled, and the cable pulley 2 is arranged in the space # -shaped frame structure and fastened. When the cable pulley is used, the spatial groined-shaped frame structure is used as a fixed support of the cable pulley 2 and correspondingly embedded in a cable channel in a clamping manner, the cable pulley 2 arranged in the spatial groined-shaped frame structure pulls a cable, the end face of the angle steel forming the groined-shaped frame structure props against the wall surface of the cable channel, and the cable pulley 2 can be effectively prevented from overturning and toppling over.

As a further improvement of the scheme, the connecting holes are preferably designed to be waist-shaped holes, so that the splicing length of the angle steel can be conveniently adjusted.

The structure of the cable pulley 2 in this embodiment mainly comprises a frame 201 with an L-shaped cross section and three fixed pulleys fixed on the frame 201, wherein the two fixed pulleys 202 are arranged on the horizontal side of the frame at intervals and in parallel, the third fixed pulley 203 is arranged between the two fixed pulleys 202 and on the vertical side of the frame, and the central axis of the third fixed pulley is perpendicular to the central axes of the two horizontally arranged fixed pulleys. The cable laying method is applicable to laying of cables in turning cable channels.

The angle steel in this embodiment is galvanized angle steel with the specification of 60 × 6. The angle steel can reliably ensure the reliability of the frame structure and has high cost performance.

As a further improvement of the scheme, the clamping pieces 3 with the clamping grooves 301 are detachably connected to the pulley bracket structure 1, the two clamping pieces 3 are oppositely arranged, and the clamping grooves 301 on the two clamping pieces 3 correspondingly form holes for passing through cables. Thus, the pulley support structure 1 can also be used for fixing a cable to manufacture a cable intermediate joint. Specifically, when needing to use, only need to correspond two fasteners and install the suitable position at coaster mounting structure 1 to make coaster mounting structure 1 inlay card in the cable channel, embrace the cable through the draw-in groove on two fasteners, can fix the cable, enlarged its application range.

The releasing bracket utilizes angle steel to build a frame structure shaped like a Chinese character 'jing', and the cable pulley achieves the purposes of preventing the cable from falling off and normally releasing the cable through the frame structure.

The pulley support structure 1 is made of 60-6 galvanized angle steel with moderate economy, low processing difficulty and strong connectivity stability. And the matching among all parts is convenient to realize by fixing the specification. And drilling holes in each angle steel according to a certain distance, and determining the assembly width of each angle steel according to the width of the cable pulley 2 and the width of the cable channel. During the use, polylith angle steel assembles to the scene, and like this, coaster supporting structure 1 can realize adjusting the apolegamy to the frame size according to the construction environment difference.

Generally, at least four transverse angle steels 101 can abut against two sides of the inner wall of the cable trench to serve as supporting cross bars, the transverse angle steels and the vertical angle steels 102 form a 'well' shape, and the cable pulley is fixed on the support structure through the rest of longitudinal angle steels 103 and the like. When receiving traction force, the support can be with on the cable pit inner wall of biography power, constitutes effective fixed to the cable coaster, avoids the problem to appear.

The pulley bracket structure 1 takes the cable trench wall as the fulcrum of the angle steel, and the cable pulley 2 is arranged in the pulley bracket structure, so that on one hand, the cable can be protected from being influenced; on the other hand, the cable pulley 2 is ensured not to overturn and topple over, repeated support and fixing work is not needed, and the problem existing in the prior cement pier and wood pier fixing method is solved.

The small group is designed to compare the work tasks of twice cable laying before and after the cable laying bracket for the 10kv power distribution network is used, and the specific conditions are as follows:

TABLE 1 Cable time statistic table (before use)

According to the data, when the four-section cable is laid, the average time for adjusting the cable pulley is up to 70.5 minutes, and the time for adjusting the cable pulley accounts for 19% of the total working time.

TABLE 2 Cable time statistic table (after product use)

From the data, after the bracket is used, the average time of adjusting the cable pulley is reduced from 70.5 minutes/section before the bracket is not used to 19.3 minutes/section after the bracket is used, the working time of about 50 minutes is reduced, the reduction of the cable laying time represents the reduction of the construction cost and the labor cost of laying the cable, and the unnecessary time of adjusting the cable pulley is avoided.

The tool has the advantages of less use, self-purchase of materials and low processing cost, can solve the problem that a cable pulley is not easy to fix in the cable releasing process, reduces the time for adjusting the cable pulley, and has better social effect.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a distribution network cable discharges support which characterized in that: the pulley support structure is a # -shaped frame structure formed by detachably connecting a plurality of angle steels, and the cable pulley is fixed at the middle part of the pulley support structure.

2. The power distribution network cable dispensing bracket as claimed in claim 1, wherein: a plurality of connecting holes are formed in each angle steel in the pulley support structure at intervals, and the angle steels are connected through bolts penetrating through the connecting holes.

3. The power distribution network cable dispensing bracket as claimed in claim 2, wherein: the connecting hole is a waist-shaped hole.

4. The power distribution network cable application bracket as claimed in any one of claims 1 to 3, wherein: the cable pulley mainly comprises a frame with an L-shaped cross section and three fixed pulleys fixed on the frame, wherein the two fixed pulleys are arranged on the horizontal side face of the frame at intervals in parallel, the third fixed pulley is positioned between the two fixed pulleys and arranged on the vertical side face of the frame, and the central axis of the third fixed pulley is perpendicular to the central axis of the two horizontally arranged fixed pulleys.

5. The power distribution network cable dispensing bracket as claimed in claim 1, wherein: the angle steel is galvanized angle steel with the specification of 60-6.

6. The power distribution network cable dispensing bracket as claimed in claim 1, wherein: the pulley support structure is detachably connected with clamping pieces with clamping grooves, the two clamping pieces are oppositely arranged, and the clamping grooves on the two clamping pieces correspond to holes formed through cables.