CN210724154U

CN210724154U - Cable guard plate of coal mine underground coal mining machine

Info

Publication number: CN210724154U
Application number: CN201922135336.XU
Authority: CN
Inventors: 岳昭磊; 陈雪; 王翠萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-06-09
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to a cable protection technical field just discloses a colliery coal-winning machine cable backplate in pit, including the intervalve, the outer movable sleeve of intervalve is equipped with the outer tube, a plurality of draw-in grooves have all been seted up to the inner wall of outer tube and the outer wall of intervalve, two that correspond the same rubber strip of fixedly connected with in the draw-in groove, the inner wall fixedly connected with sponge section of thick bamboo of intervalve, the inside fixed cup joint of sponge section of thick bamboo has the steel pipe, the inside fixed cup joint of steel pipe has the insulating layer. The utility model discloses the effectual convenience that improves the backplate equipment has reduced manufacturing cost.

Description

Cable guard plate of coal mine underground coal mining machine

Technical Field

The utility model relates to a cable protection technical field especially relates to a colliery coal-winning machine cable backplate in pit.

Background

Colliery is environment in the pit comparatively abominable, so need protect the cable and avoid the cable impaired, current protective equipment mostly uses the backplate to protect, puts the cable in the inside of backplate, avoids cable and outside environmental contact.

For example, chinese patent No. CN209282759U discloses a cable guard plate for coal mining machine in coal mine, which comprises guard plate bodies, wherein the guard plate bodies are arranged in a cylindrical structure convenient for moving, the two sets of guard plate bodies are fixedly connected through a foldable connecting sleeve, and a hard pipe is arranged at the center of the inner part of the guard plate body. The cable guard plate of the coal mine underground coal mining machine in the patent has the following defects:

above-mentioned cable backplate needs a large amount of hard damping device of internally mounted at the pipeline, because the inside space of pipeline is less, these damping device installation operation are very inconvenient, lead to cable backplate's manufacturing cost to increase by a wide margin.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the damping device installed inside the cable protection plate is very inconvenient to install in the prior art, and the coal mine underground coal mining machine cable protection plate who provides.

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

the utility model provides a colliery coal-winning machine cable backplate in pit, includes the intervalve, the outer movable sleeve of intervalve is equipped with the outer tube, a plurality of draw-in grooves have all been seted up to the inner wall of outer tube and the outer wall of intervalve, two that correspond the same rubber strip of fixedly connected with in the draw-in groove, the inner wall fixedly connected with sponge section of thick bamboo of intervalve, the fixed steel pipe that has cup jointed in the inside of sponge section of thick bamboo, the fixed insulating layer that has cup jointed in the inside.

Preferably, the armor layer is fixedly sleeved outside the outer pipe.

Preferably, the pipe wall of the middle pipe is provided with a plurality of screw holes, the screw holes are sleeved with screws in a threaded manner, and the outer wall of the outer pipe is provided with a plurality of limiting holes corresponding to the screws.

Preferably, an anti-abrasion protective layer is fixedly sleeved in the insulating layer.

Preferably, the specific material of the outer tube is aluminum.

Preferably, the specific material of the middle pipe is plastic.

Compared with the prior art, the utility model provides a colliery coal-winning machine cable backplate in pit possesses following beneficial effect:

this colliery is coal-winning machine cable backplate in pit, intermediate tube through setting up, the outer tube, the draw-in groove, the rubber strip, a sponge section of thick bamboo, steel pipe and insulating layer, during the use, outermost outer tube can form first protective structure, and can form the buffering when the outer tube receives the collision through a plurality of rubber strips between outer tube and the intermediate tube, a sponge section of thick bamboo also can produce elastic deformation and form the buffering, thereby avoid inside cable to receive the damage, can effectually protect the cable, and the production equipment is comparatively convenient, only need layer upon layer overlap can, the effectual convenience that improves backplate equipment, and the production cost is reduced.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the effectual convenience that improves the backplate equipment has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of a cable guard plate of a coal mine underground coal mining machine provided by the utility model;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a portion B in fig. 1.

In the figure: the anti-abrasion device comprises a middle pipe 1, an outer pipe 2, a clamping groove 3, a rubber strip 4, a sponge cylinder 5, a steel pipe 6, an insulating layer 7, an armor layer 8, a screw 9, a limiting hole 10 and an anti-abrasion protective layer 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a coal mine underground coal mining machine cable guard plate comprises an intermediate pipe 1, an outer pipe 2 is movably sleeved outside the intermediate pipe 1, a plurality of clamping grooves 3 are respectively formed in the inner wall of the outer pipe 2 and the outer wall of the intermediate pipe 1, the same rubber strip 4 is fixedly connected in the corresponding two clamping grooves 3, a sponge cylinder 5 is fixedly connected to the inner wall of the intermediate pipe 1, a steel pipe 6 is fixedly sleeved in the sponge cylinder 5, an insulating layer 7 is fixedly sleeved in the steel pipe 6, when the coal mine underground coal mining machine cable guard plate is used, the outermost outer pipe 2 can form a first protective structure, the outer pipe 2 can form buffering through the plurality of rubber strips 4 between the outer pipe 2 and the intermediate pipe 1 when the outer pipe 2 is collided, the sponge cylinder 5 can also generate elastic deformation to form buffering, so that the inner cable is prevented from being damaged, the cable can be effectively protected, the production and the, the assembly convenience of the guard plate is effectively improved, and the production cost is reduced.

The outer sleeve of outer tube 2 is equipped with armor 8, improves the corrosion resisting property of backplate.

The pipe wall of the intermediate pipe 1 is provided with a plurality of screw holes, the screw holes are sleeved with screws 9 in a threaded manner, the outer wall of the outer pipe 2 is provided with a plurality of limiting holes 10 corresponding to the screws 9, the outer pipe is limited and positioned, and the rubber strip clamp 4 can conveniently enter the clamping groove 3.

An anti-abrasion protective layer 11 is fixedly sleeved in the insulating layer 7, so that abrasion to the cable is avoided.

The outer tube 2 is made of aluminum, which is light.

The specific material of intermediate pipe 1 is plastics, and the weight of plastics is lighter, improves the convenience of backplate transport.

The utility model discloses in, during the use, outermost outer tube 2 can form first protective structure, and can form the buffering when outer tube 2 receives the collision through a plurality of rubber strips 4 between outer tube 2 and the intermediate pipe 1, a sponge section of thick bamboo 5 also can produce elastic deformation and form the buffering to avoid inside cable to receive the damage, can effectually protect the cable, and the production equipment is comparatively convenient, only need layer upon layer overlap can, the effectual convenience that improves the backplate equipment has reduced manufacturing cost.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a colliery coal-winning machine cable backplate in pit, includes intervalve (1), its characterized in that, intervalve (1) outer movable sleeve is equipped with outer tube (2), a plurality of draw-in grooves (3) have all been seted up with the outer wall of intervalve (1) to the inner wall of outer tube (2), and corresponding two same rubber strip (4) of fixedly connected with in draw-in groove (3), the inner wall fixedly connected with sponge section of thick bamboo (5) of intervalve (1), the inside of sponge section of thick bamboo (5) is fixed to be cup jointed steel pipe (6), the inside of steel pipe (6) is fixed to be cup jointed insulating layer (7).

2. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that the outer pipe (2) is fixedly sheathed with an armor layer (8).

3. The cable guard plate of the coal mine underground coal mining machine according to claim 1, wherein the pipe wall of the middle pipe (1) is provided with a plurality of screw holes, the screw holes are sleeved with screws (9) in internal threads, and the outer wall of the outer pipe (2) is provided with a plurality of limiting holes (10) corresponding to the screws (9).

4. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that an anti-abrasion protective layer (11) is fixedly sleeved in the insulating layer (7).

5. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that the specific material of the outer pipe (2) is aluminum.

6. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that the intermediate pipe (1) is made of plastic.