CN220209867U - Cable bracket for coal mine tunnel - Google Patents

Abstract

The utility model relates to a cable bracket for a coal mine tunnel, which comprises a fixed anchor rod assembly, a channel steel bracket, a U-shaped clamp and a bolt assembly, wherein the fixed anchor rod assembly comprises two anchor rods, one ends of the anchor rods are used for being fixed at the top or the side wall of the tunnel, the other ends of the anchor rods are connected with the channel steel bracket, the two anchor rods are respectively connected to two ends of the channel steel bracket, and the U-shaped clamp is fixedly connected to the channel steel bracket through the bolt assembly. The cable bracket for the coal mine tunnel solves the problems that the cable bracket falls off due to the fact that the existing cable bracket is fixed by adopting expansion bolts when the tunnel is fixed and the expansion bolts are short in places with softer tunnel walls and easy to loosen; meanwhile, the problem that the cable is easy to fall off from the hook when the hook for installing the cable is open and used for a long time is solved; and the cable bracket for the coal mine tunnel has the advantages of simple structure, easy production and processing, convenient installation, stable structure, difficult falling of the cable during use and convenient use.

Description

Cable bracket for coal mine tunnel

Technical Field

The utility model relates to a cable bracket for a coal mine tunnel, and belongs to the technical field of underground coal mine equipment.

Background

The power cables required underground coal mines are more, the cables are laid along the direction of the roadway, and when the power cables are laid in the roadway, the cables are uniformly hung by adopting cable hooks or cable brackets. The cable bracket is fixed by adopting expansion bolts when the roadway is fixed, but at a place where the roadway wall is softer, the cable bracket is easy to fall off due to the fact that the expansion bolts are shorter; meanwhile, in the existing cable bracket, a hook for installing a cable is open, and when the cable bracket is used for a long time, the cable is easy to fall off from the hook; both conditions cause potential safety hazards to different extents.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems in the prior art, the utility model provides a cable bracket for a coal mine tunnel.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a cable bracket for coal mine tunnel, its includes fixed stock subassembly, channel-section steel bracket, U type card and bolt assembly, and fixed stock subassembly includes two stock, and the one end of stock is used for fixing at tunnel top or lateral wall, and the channel-section steel bracket is connected to the other end of stock, and two stock are connected respectively at the both ends of channel-section steel bracket, and U type card passes through bolt assembly fixed connection on channel-section steel bracket.

As described above, the cable bracket for the coal mine tunnel preferably comprises a bolt and a nut, and the U-shaped clamp and the channel steel bracket are respectively provided with a through hole for connecting the bolt and the nut.

As described above, the cable bracket for coal mine tunnel is preferably provided with a plurality of U-shaped clips, and the U-shaped clips are arranged in a crossing manner on the channel steel bracket.

As described above, the cable bracket for the coal mine tunnel is preferably designed such that the hole connected to the anchor rod in the channel bracket is an adjustable hole.

Further preferably, the adjustable hole is an oblong hole, and the anchor rod is phi 22 multiplied by 1000mm.

As described above, the cable bracket for coal mine tunnel is preferably characterized in that two ends of the U-shaped clamp are horizontal end lugs, the middle of the U-shaped clamp is of an arc structure, through holes are formed in the end lugs, and corresponding through holes for connection are formed in the corresponding channel steel brackets.

As described above, the cable bracket for coal mine tunnel is preferably formed by pressing flat iron with a width of 30mm and a thickness of 3 mm.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

the cable bracket for the coal mine tunnel solves the problems that the cable bracket falls off due to the fact that the existing cable bracket is fixed by adopting expansion bolts when the tunnel is fixed and the expansion bolts are short in places with softer tunnel walls and are easy to loosen; meanwhile, the problem that the cable is easy to fall off from the hook when the hook for installing the cable is open and used for a long time is solved; and the cable bracket for the coal mine tunnel has the advantages of simple structure, easy production and processing, convenient installation, stable structure, difficult falling of the cable during use and convenient use.

Drawings

FIG. 1 is a schematic view of a preferred cable tray of the present utility model;

FIG. 2 is a cross arrangement of U-shaped clips on a channel bracket;

fig. 3 is a schematic structural view of a channel bracket;

fig. 4 is a schematic structural diagram of a U-shaped card.

[ reference numerals description ]

1: fixing the anchor rod assembly;

2: a channel bracket;

3: a U-shaped card;

4: a bolt assembly;

5: an adjustable aperture;

6: arc structure.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Example 1

A cable bracket for a coal mine tunnel, as shown in fig. 1, comprises a fixed anchor rod assembly 1, a channel steel bracket 2, a U-shaped clamp 3 and a bolt assembly 4; the fixed anchor rod assembly 1 comprises two anchor rods, the two anchor rods are respectively fixed on two sides of the channel steel bracket 2, a plurality of U-shaped clamps 3 are arranged on the channel steel bracket 2, and the U-shaped clamps 3 are fixed on the channel steel bracket 2 through the bolt assembly 4; the two end lugs of the U-shaped clamp 3 are provided with holes, through holes corresponding to the two end lugs are formed in the channel steel bracket 2, the bolt assembly 4 comprises a bolt and a nut, and the U-shaped clamp 3 is fixed on the channel steel bracket 2 through the bolt and the nut of the bolt assembly 4.

Preferably, an anchor rod with the diameter of phi 22 multiplied by 1000mm is selected, one end of the anchor rod is fixed on the top or the side wall of a roadway, a channel steel bracket 2 is connected with the roadway through the anchor rod, a U-shaped clamp 3 is connected with a channel steel of the channel steel bracket 2 through a M8 bolt, in order to facilitate the disassembly and assembly of the U-shaped clamp 3, a hole is drilled in the channel steel, and the M8 bolt is fixedly welded with the channel steel; the length of the channel steel and the number of the U-shaped cards can be adjusted according to the number of the hanging and laying cables, the occupied space is small when the cables are laid, the cables are compactly laid, and the U-shaped cards are arranged on the channel steel bracket 2 in a crossing manner, as shown in fig. 2. Through the cross arrangement of the U-shaped cards 3 on the channel steel bracket, the cable can be suspended to the maximum extent, and the effects of small occupied space and compact structure are achieved.

As shown in fig. 3, the hole for connecting the channel steel bracket and the anchor rod is designed as an adjustable hole (hanging hole) and is an oblong hole, so that the error for fixing the anchor rod is allowed to be larger, and the construction is convenient.

As shown in fig. 4 of the U-shaped card, two ends are horizontal end lugs, and the middle is provided with an arc structure 6, so that the stress area of the cable and the U-shaped card can be increased, and the cable damage caused by small contact area of the U-shaped card and the cable can be prevented; the U-shaped card is formed by pressing flat iron with the width of 30mm and the thickness of 3mm, and can be formed in one step after a stamping die is manufactured.

When the cable bracket is used, firstly, an anchor rod with the diameter of phi 22 multiplied by 1000mm is punched on the selected roadway wall according to the size of an anchor rod mounting hole of the channel steel bracket, after the anchor rod is firmly fixed with the roadway, the channel steel bracket is mounted at the position where the anchor rod is exposed, a nut is screwed, and finally, a cable and a U-shaped clamp are sequentially mounted.

The cable bracket provided by the utility model not only can be used for pulling cables at the top of a roadway, but also can be used for pulling cables at the side walls of the roadway, and has the advantages of simple structure, firm cable fixation and difficult falling.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any person skilled in the art may make modifications or alterations to the above disclosed technical content to equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a cable bracket for coal mine tunnel, its characterized in that, it includes fixed stock subassembly, channel-section steel bracket, U type card and bolt assembly, and fixed stock subassembly includes two stock, and the one end of stock is used for fixing at tunnel top or side group, and the channel-section steel bracket is connected to the other end of stock, and two stock are connected respectively at the both ends of channel-section steel bracket, and U type card passes through bolt assembly fixed connection on channel-section steel bracket.

2. The cable tray for coal mine roadways of claim 1, wherein the bolt assembly comprises a bolt and a nut, and the U-shaped clip and the channel steel tray are each provided with a through hole for connection of the bolt and the nut.

3. The cable tray of claim 1, wherein a plurality of U-shaped clips are provided and are arranged in a cross arrangement on the channel tray.

4. A cable tray for coal mine roadways as claimed in claim 1, wherein the holes in the channel tray to which the anchors are connected are designed as adjustable holes.

5. The cable tray of claim 4, wherein the adjustable hole is an oblong hole and the anchor rod is Φ22×1000mm.

6. The cable tray for coal mine tunnel according to claim 1, wherein two ends of the U-shaped clip are horizontal end lugs, the middle is of a circular arc structure, through holes are formed in the end lugs, and corresponding connecting through holes are formed in the corresponding channel steel tray.

7. The cable tray for coal mine roadways as described in claim 1, wherein the U-shaped card is made by pressing flat iron with a width of 30mm and a thickness of 3 mm.