CN219119277U - Coal mine tunneling supporting device - Google Patents

Abstract

The utility model discloses a coal mine tunneling supporting device which comprises a protection top plate, wherein the protection top plate is of an arc-shaped structure, a plurality of buffer devices are inserted into the upper end of the protection top plate and are movably connected with a left mounting frame, the right end of the protection top plate is fixedly connected with a right mounting frame, the right mounting frame and the left mounting frame are identical in structure, the right end of the left mounting frame is movably connected with a left protecting device, the left end of the right mounting frame is movably connected with a right protecting device, the right protecting device and the left protecting device are identical in structure, the lower end of the left mounting frame is fixedly connected with a left bottom plate, the lower end of the right mounting frame is fixedly connected with a right bottom plate, and the front part of the lower end of the left bottom plate and the rear part of the lower end of the left bottom plate are fixedly connected with universal wheels. The coal mine tunneling supporting device is high in installation efficiency, good in supporting effect and high in stability, and is suitable for coal mine tunneling.

Description

Coal mine tunneling supporting device

Technical Field

The utility model relates to the technical field of coal mine tunneling supporting devices, in particular to a coal mine tunneling supporting device.

Background

Tunneling is the work of digging wells, tunnels and chambers of various shapes, sections or criss-cross in rock strata or ore layers. The tunneling process is divided into a main process and an auxiliary process. The main working procedures are the working procedures of directly finishing the progress of the working face on the working face and the supporting operation carried out in the tunnel tunneling area. The main process is determined by the nature of the rock through which the roadway passes. When tunneling hard rock, the main procedures include drilling, charging, blasting, ventilation and safety inspection of working face, rock charging and roadway support, when tunneling coal mine, the support device is required to be used for personnel protection, and the existing support device has at least the following disadvantages in the use process: 1. the existing supporting device is often provided with an arc-shaped top plate to prevent broken stone from damaging personnel, but when broken stone with larger volume falls down, the top plate is easy to deform due to lack of buffering, so that the service life of the top plate is reduced; 2. the side of the existing supporting device often lacks protection, broken stone easily enters the device from two sides, so that injury is caused to personnel, safety risks occur, and therefore, the coal mine tunneling supporting device is provided.

Disclosure of Invention

The utility model mainly aims to provide a coal mine tunneling supporting device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a colliery tunneling strutting arrangement, includes the protection roof, the protection roof is arc structure, protection roof upper end alternates swing joint has a plurality of buffer, protection roof left end fixedly connected with left mounting bracket, protection roof right-hand member fixedly connected with right mounting bracket, right mounting bracket is the same with left mounting bracket structure, left mounting bracket right-hand member swing joint has left protector, right mounting bracket left end swing joint has right protector, right protector is the same with left protector structure, left mounting bracket lower extreme fixedly connected with left bottom plate, right mounting bracket lower extreme fixedly connected with right bottom plate, the equal fixedly connected with universal wheel in left bottom plate lower extreme front portion and lower extreme rear portion, the equal fixedly connected with universal wheel in right bottom plate lower extreme front portion and lower extreme rear portion.

Preferably, the outer surface of the protective top plate is provided with a plurality of round holes which are vertically penetrated.

Preferably, the buffer device comprises a contact plate, the contact plate is of an arc-shaped structure, the lower end of the contact plate is fixedly connected with a round rod, a spring is sleeved on the outer surface of the round rod, and the lower end of the round rod is fixedly connected with a limiting plate.

Preferably, the round rod is inserted into the round hole and movably connected with the round hole, the limiting plate is positioned at the lower part of the protective top plate, and the spring is positioned at the upper part of the protective top plate.

Preferably, the notch is opened to left mounting bracket right-hand member, the screw hole has all been opened in notch left cell wall four corners, left side protector includes the frame, the frame inner wall left part fixedly connected with support frame, the frame inner wall right part fixedly connected with wire netting, the frame right-hand member four corners all alternates swing joint and has connecting screw.

Preferably, the four connecting screws are respectively in threaded connection with the four threaded holes.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the contact plate is arranged on the buffer device and is under the elastic action of the spring, so that the contact plate can move downwards when broken stones with large weight fall, and the broken stones are buffered by the spring, so that the impact on the protection top plate is reduced, and the service life of the protection top plate is prolonged;

2. according to the utility model, the left protection device and the right protection device are provided with the wire netting, so that both sides of the device can be protected, broken stones are prevented from entering through both sides of the device to injure personnel, the left protection device and the right protection device are provided with the connecting screw rods, and the left protection device and the right protection device can be removed from being installed by rotating the connecting screw rods, so that the device is convenient to detach and replace and is convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a coal mine tunneling support device;

FIG. 2 is a schematic diagram of the whole structure of a protective top plate of the coal mine tunneling support device;

FIG. 3 is a schematic diagram of the whole structure of a buffer device of a coal mine tunneling support device;

fig. 4 is a schematic diagram of the overall structure of a left protection device of the coal mine tunneling support device.

In the figure: 1. a protective top plate; 2. a buffer device; 3. a right mounting rack; 4. a right guard; 5. a right bottom plate; 6. a universal wheel; 7. a left bottom plate; 8. a left guard; 9. a left mounting rack; 11. a round hole; 21. a contact plate; 22. a limiting plate; 23. a round bar; 24. a spring; 81. a frame; 82. a wire netting; 83. a connecting screw; 84. a support frame; 91. a notch; 92. and (3) a threaded hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a colliery tunneling strutting arrangement, including protection roof 1, protection roof 1 is arc structure, protection roof 1 upper end interlude swing joint has a plurality of buffer 2, protection roof 1 left end fixedly connected with left mounting bracket 9, protection roof 1 right-hand member fixedly connected with right mounting bracket 3, right mounting bracket 3 is the same with left mounting bracket 9 structure, left mounting bracket 9 right-hand member swing joint has left protector 8, right mounting bracket 3 left end swing joint has right protector 4, right protector 4 is the same with left protector 8 structure, left mounting bracket 9 lower extreme fixedly connected with left bottom plate 7, right mounting bracket 3 lower extreme fixedly connected with right bottom plate 5, the equal fixedly connected with universal wheel 6 in left bottom plate 7 lower extreme front portion and lower extreme rear portion, the equal fixedly connected with universal wheel 6 in right bottom plate 5 lower extreme front portion and lower extreme rear portion.

In the embodiment, the outer surface of the protective top plate 1 is provided with a plurality of round holes 11 which are vertically penetrated; the buffer device 2 comprises a contact plate 21, the contact plate 21 is of an arc-shaped structure, the lower end of the contact plate 21 is fixedly connected with a round rod 23, the outer surface of the round rod 23 is sleeved with a spring 24, and the lower end of the round rod 23 is fixedly connected with a limiting plate 22; the round rod 23 is inserted and movably connected with the round hole 11, the limiting plate 22 is positioned at the lower part of the protective top plate 1, the spring 24 is positioned at the upper part of the protective top plate 1, and the round rod 23 cannot rotate under the non-artificial state, so that the contact plate 21 is prevented from rotating.

In the embodiment, the right end of the left mounting frame 9 is provided with a notch 91, four corners of the left groove wall of the notch 91 are respectively provided with a threaded hole 92, the left protection device 8 comprises a frame 81, the left part of the inner wall of the frame 81 is fixedly connected with a supporting frame 84, the right part of the inner wall of the frame 81 is fixedly connected with a wire netting 82, and four corners of the right end of the frame 81 are respectively and alternately connected with a connecting screw 83; the four connecting screws 83 are respectively in threaded connection with the four threaded holes 92, the supporting frame 84 can improve the supporting performance of the frame 81, and the deformation of the wire mesh 82 can be avoided.

In the use process, the whole device is firstly placed in a mine tunnel, personnel work in the device, when broken stone falls down, the broken stone is firstly contacted with the contact plate 21, after the contact plate 21 is contacted with the broken stone, the contact plate 21 pushes the round rod 23 and the limit plate 22 to move downwards, the spring 24 is extruded and is subjected to the elastic action of the spring 24, the impact of the contact plate 21 is buffered, so that the impact of the broken stone on the protective roof 1 is reduced, the protective roof 1 is prevented from damaging and deforming, the service life is prolonged, the broken stone slides from the left end and the right end of the device and is contacted with the wire netting 82 on the left protective device 8 and the right protective device 4, on one hand, the influence on the sight of the personnel can be avoided, on the other hand, the broken stone is prevented from being contacted with the personnel, and when the left protective device 8 and the right protective device 4 are damaged, the connecting screw 83 is rotated, so that the frame 81 is separated from being connected with the left protective device 8 and the left protective device 8 to be taken down for replacement, the whole tunneling and the protective device is high in installation efficiency and good in stability, and suitable for tunneling of a coal mine.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a colliery tunnelling strutting arrangement, includes protection roof (1), its characterized in that: the protection roof (1) is arc structure, protection roof (1) upper end alternates swing joint has a plurality of buffer (2), protection roof (1) left end fixedly connected with left mounting bracket (9), protection roof (1) right-hand member fixedly connected with right mounting bracket (3), right mounting bracket (3) and left mounting bracket (9) structure are the same, left mounting bracket (9) right-hand member swing joint has left protector (8), right mounting bracket (3) left end swing joint has right protector (4), right protector (4) and left protector (8) are the same in structure, left mounting bracket (9) lower extreme fixedly connected with left bottom plate (7), right mounting bracket (3) lower extreme fixedly connected with right bottom plate (5), equal fixedly connected with universal wheel (6) in left bottom plate (7) lower extreme front portion and lower extreme rear portion, equal fixedly connected with universal wheel (6) in right bottom plate (5) lower extreme front portion and lower extreme rear portion.

2. A coal mine tunnelling support device as claimed in claim 1 wherein: the outer surface of the protective top plate (1) is provided with a plurality of round holes (11) which are vertically penetrated.

3. A coal mine tunnelling support device as claimed in claim 1 wherein: the buffer device (2) comprises a contact plate (21), the contact plate (21) is of an arc-shaped structure, the lower end of the contact plate (21) is fixedly connected with a round rod (23), the outer surface of the round rod (23) is sleeved with a spring (24), and the lower end of the round rod (23) is fixedly connected with a limiting plate (22).

4. A coal mine tunnelling support device as claimed in claim 3 wherein: the round rod (23) is in penetrating and movable connection with the round hole (11), the limiting plate (22) is located at the lower portion of the protection top plate (1), and the spring (24) is located at the upper portion of the protection top plate (1).

5. A coal mine tunnelling support device as claimed in claim 1 wherein: the left mounting frame (9) right-hand member is opened there is notch (91), notch (91) left cell wall four corners all is opened threaded hole (92), left side protector (8) are including frame (81), frame (81) inner wall left part fixedly connected with support frame (84), frame (81) inner wall right-hand member fixedly connected with wire netting (82), frame (81) right-hand member four corners all alternate swing joint has connecting screw (83).

6. A coal mine tunnelling support device as claimed in claim 5 wherein: the four connecting screws (83) are respectively in threaded connection with the four threaded holes (92).

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