CN213782835U - High-voltage cable grounding protection device - Google Patents

Abstract

The utility model discloses a high tension cable ground protection device, including the iron tower that is used for the stringing, protection device is including keeping apart the chamber, keep apart the chamber and locate immediately subaerial iron tower one side that is located, be top and bottom open-ended semi-closed cavity structure, and the height of keeping apart the chamber is 2-3 meters, and its opening aperture is greater than the sum of all earth connection cable external diameters, and all earth connection cable cables are connected with ground through the opening access isolation intracavity on keeping apart the chamber top. The utility model discloses realize directly keeping apart the ground cable from keeping apart the intracavity from keeping apart chamber top and inserting and keep apart the intracavity and again from bottom opening ground connection, utilize to keep apart the chamber and form isolation protection to earth cable, and this kind of mode of connection has avoided the tradition to adopt the cover of sleeve pipe protection to establish the operation, convenient and fast to the later stage need not regularly overhaul or change protection device, practices thrift the cost.

Description

High-voltage cable grounding protection device

Technical Field

The utility model belongs to the technical field of power equipment, concretely relates to high tension cable ground protection device.

Background

The mode of present high tension cable ground connection adopts the sleeve pipe to wrap up the cable and form isolation protection, then direct ground connection, but because high tension cable quantity is more than two, cable weight is great, adopts the sleeve pipe to establish whole cable cover completely from certain height and can lead to being difficult to the operation, and the operation is consuming time hard to in order to guarantee equipment security performance, need regular inspection, change the sleeve pipe, increase work burden.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high tension cable ground protection device establishes the ground connection mode of cable to traditional sleeve pipe cover and makes the improvement, provides one kind and is convenient for install, safe and reliable to the condition of avoiding examining and repairing many times and changing takes place.

The utility model discloses a technical scheme be, high tension cable ground protection device, including the iron tower that is used for the stringing, protection device is including keeping apart the chamber, keep apart the chamber and locate immediately that subaerial iron tower one side that is located is, is top and bottom open-ended semi-closed cavity structure, and the height of keeping apart the chamber is 2-3 meters, and its opening aperture is greater than whole earthing cable external diameter sum, and whole earthing cable cables are connected with ground through the opening access isolation intracavity on keeping apart the chamber top.

Through adopting above-mentioned technical scheme, set up on one side of iron tower and keep apart the chamber and be used for protecting and keep apart earthing cable, the cable is connected with ground from iron tower top downwards direct entering isolation chamber through keeping apart chamber top opening, and this mode is swift simple, safe and reliable.

Furthermore, a plurality of fixing clamps are arranged on the inner wall surface of the isolation cavity at intervals along the length direction, central openings of the fixing clamps longitudinally form cable channels, and 4-6 cable channels are arranged; through fixation clamp stable cable, avoid the cable to receive external factor to disturb and rock.

Furthermore, the fixing clamp comprises a fixing clamp body and a base, the fixing clamp body is in an open ring shape, two ends of the fixing clamp body are respectively connected with the base through springs, and the base is fixedly connected with the inner wall surface of the isolation cavity through bolts; the fixing clamp can be freely extended or shortened, and is suitable for cables with different diameters.

Furthermore, a drain hole is formed in the side wall surface of the isolation cavity and close to the bottom end of the isolation cavity, and the drain hole is arranged along the side wall of the isolation cavity in a downward inclined mode; the drain hole is used for avoiding flooding in the isolation cavity, and the drain hole is obliquely arranged downwards to avoid foreign matters such as soil and the like from entering the isolation cavity through the drain hole.

Furthermore, the isolation cavity is formed by bricks, and the outer wall surface of the isolation cavity is brushed with fluorescent paint; the brick is low in cost, good in isolation protection effect, anti-theft and capable of improving warning effect by using fluorescent materials.

Furthermore, a limiting rod is further arranged on one side, close to the isolation cavity, of the iron tower, one end of the limiting rod is fixedly connected with the iron tower, and the other end of the limiting rod extends outwards; the cables above the isolation cavity are gathered together by utilizing the limiting rod, so that the cables can be conveniently and smoothly connected into the isolation cavity.

The utility model has the advantages that;

1) the utility model discloses a set up top and bottom open-ended isolation chamber on one side of iron tower, and the top opening is greater than the sum of all earth cable's external diameters, realize directly getting into the earth cable from the isolation chamber top and isolating intracavity and then from bottom opening ground connection, utilize the isolation chamber to form isolation protection to the earth cable, and this kind of mode of connection has avoided the cover that traditionally adopts sleeve pipe protection to establish the operation, convenient and fast, and the later stage need not regularly overhaul or change protection device, practice thrift the cost of maintenance and the material cost in later stage;

2) the iron tower above the isolation cavity is provided with the limiting rod, all cables can be conveniently consented to the isolation cavity through the limiting rod, the isolation cavity is internally provided with a plurality of fixing clamps, the fixing clamps are linearly arranged along the length direction of the isolation cavity, openings of the fixing clamps form a cable channel, the cables can be conveniently and directly inserted into the openings of the fixing clamps and are grounded downwards along the cable channel, the cables are limited and fixed, the cables are prevented from shaking due to interference of external factors, and safety guarantee is improved;

3) the fixing clamp adopts an open annular fixing clamp body, and two ends of the fixing clamp are connected with the base through springs, so that the fixing clamp can be flexibly changed along with the change of the outer diameter of the cable, the fixing clamp is suitable for different cables, and the fixing clamp can elastically clamp and fix the cable, and has a better stabilizing effect;

4) a drain hole is formed in the isolation cavity close to the bottom of the isolation cavity, so that water is prevented from accumulating in the isolation cavity, the drain hole is inclined downwards, foreign matters are prevented from entering the isolation cavity through the drain hole, and the surrounding environment of the cable is ensured to be good;

5) adopt the brick to make and keep apart the chamber, low in manufacturing cost, it is effectual to keep apart the protection to effectively prevent stolen, keep apart the chamber and avoid brushing fluorescent paint, play warning effect better outside.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the fixing clip of the present invention

Fig. 3 is an installation schematic diagram of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.

Please refer to fig. 1-2, a high-voltage cable ground protection device, including an iron tower 1 for stringing, the protection device includes an isolation cavity 2, the isolation cavity 2 is vertically arranged on one side of the iron tower 1 on the ground, and is a semi-closed cavity structure with an open top end and an open bottom end, the height of the isolation cavity 2 is 2.5 meters, thereby avoiding the contact of pedestrians, ensuring the isolation protection effect, the aperture of the opening of the isolation cavity 2 is larger than the sum of the outer diameters of all the grounding cables, so that all the grounding cables are connected with the ground in the isolation cavity 2 through the opening on the top end of the isolation cavity 2, the wiring mode replaces the traditional sleeve adopting the sleeve protection to establish the operation, which is convenient and fast, and avoids the later period maintenance and replacement, saves the cost, and reduces the work burden.

Particularly, keep apart chamber 2 and adopt the brick to build and form, have low cost, easily make, advantage of theftproof, and keep apart 2 lateral wall brushes fluorescent paint in the chamber, play the effect of warning to the pedestrian.

The isolation cavity is characterized in that a plurality of fixing clamps 3 are arranged on the inner wall surface of the isolation cavity 2 at intervals, an opening is formed in the center of each fixing clamp 3 and matched with the outer diameter of a single cable, a part of the fixing clamps 3 are linearly arranged along the length direction of the isolation cavity 2 to form a cable channel, the cable channel is provided with 4-6 cables, each cable sequentially enters the cable channel from the upper part of the isolation cavity 2 through the opening, and the cables are stabilized through the fixing clamps 3 to avoid the cable from shaking due to the interference of external factors.

Specifically, fixation clamp 3 includes fixation clamp body 31 and base 32, fixation clamp body 31 is the opening ring form, and both ends are connected with base 32 through spring 33 respectively, and base 32 passes through bolt and 2 internal face fixed connection in isolation chamber for fixation clamp 3 can be along with the flexible change of cable external diameter change, is applicable to the cable of different diameters and uses.

The drain hole 21 is opened near the bottom on the wall surface of the isolation chamber 2 side, the drain hole 21 is used for avoiding ponding in the isolation chamber, and the drain hole 21 is arranged along the downward inclination of the wall of the isolation chamber 2 side, so that foreign matters such as soil are prevented from entering the isolation chamber through the drain hole 21, and the surrounding environment of the cable in the isolation chamber 2 is kept good.

Further, one side that is close to on iron tower 1 and keeps apart chamber 2 still is equipped with gag lever post 11, gag lever post 11 is along the high longitudinal arrangement of iron tower 1, and gag lever post 11 one end and iron tower 1 fixed connection, the other end outwards stretches out, and during cable ground connection, utilize the iron wire to fix the cable on gag lever post 11, utilize gag lever post 11 to put together the cable of keeping apart 2 tops, be convenient for insert smoothly and keep apart in the chamber 2.

Claims (6)

1. High tension cable ground protection device, including iron tower (1) that is used for the overhead line, its characterized in that: the protection device comprises an isolation cavity (2), wherein the isolation cavity (2) is vertically arranged on one side of the iron tower (1) and is of a semi-closed cavity structure with an opening at the top end and an opening at the bottom end, the height of the isolation cavity (2) is 2-3 meters, the opening aperture of the isolation cavity is larger than the sum of the outer diameters of all grounding cables, and all the grounding cables are connected into the isolation cavity (2) through the opening at the top end of the isolation cavity (2) and grounded.

2. The high voltage cable grounding protection device of claim 1, wherein: a plurality of fixing clamps (3) are arranged on the inner wall surface of the isolation cavity (2) at intervals along the length direction, a central opening of each fixing clamp (3) forms a cable channel in the longitudinal direction, and 4-6 cable channels are arranged.

3. The high voltage cable grounding protection device of claim 2, wherein: fixation clamp (3) are including fixation clamp body (31) and base (32), fixation clamp body (31) are the opening ring form, and both ends are connected with base (32) through spring (33) respectively, and base (32) pass through bolt and keep apart chamber (2) internal face fixed connection.

4. The high voltage cable grounding protection device of claim 1, wherein: a drain hole (21) is formed in the side wall surface of the isolation cavity (2) close to the bottom end, and the drain hole (21) is arranged along the side wall of the isolation cavity (2) in a downward inclined mode.

5. The high voltage cable grounding protection device of claim 1, wherein: the isolation cavity (2) is formed by bricks, and fluorescent paint is brushed on the outer wall surface of the isolation cavity (2).

6. The high voltage cable grounding protection device of claim 1, wherein: one side of the iron tower (1) close to the isolation cavity (2) is further provided with a limiting rod (11), one end of the limiting rod (11) is fixedly connected with the iron tower (1), and the other end of the limiting rod extends outwards.

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