CN220167966U

CN220167966U - Temporary support mechanism for coal mine tunneling

Info

Publication number: CN220167966U
Application number: CN202321600158.3U
Authority: CN
Inventors: 赵文光; 解振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-23
Filing date: 2023-06-23
Publication date: 2023-12-12
Anticipated expiration: 2033-06-23

Abstract

The utility model relates to the technical field of supporting mechanisms, in particular to a temporary supporting mechanism for coal mine tunneling, which comprises a first square column, wherein a rotating shaft is rotatably connected in the first square column, one end of the rotating shaft is fixedly connected with a first bevel gear, a round hole is formed in the first square column, a mounting ring is fixedly connected in the round hole, a screw is rotatably connected in the mounting ring, one end of the screw is fixedly connected with a second bevel gear, a second square column is connected on the surface of the screw in a threaded manner, and a square plate is fixedly connected at one end of the second square column. The advantages are that: the rotating shaft drives the first bevel gear to rotate, and the screw rod is driven to rotate in the mounting ring through the engagement of the first bevel gear and the second bevel gear, so that the second square column drives the square plate to move up and down freely along the screw rod, the square column can be stopped at any position, the adjusting range of the supporting height is enlarged, and the use flexibility of the supporting mechanism is improved.

Description

Temporary support mechanism for coal mine tunneling

Technical Field

The utility model relates to the technical field of supporting mechanisms, in particular to a temporary supporting mechanism for coal mine tunneling.

Background

The temporary support mechanism for the coal mine tunneling is a support structure which is used in the coal mine tunneling process and has an auxiliary supporting function on the inside of a coal mine, broken stones in a mine hole can be prevented from falling by the temporary support structure, and the safety of the mine pit tunneling is improved.

The utility model discloses an emergent supporting mechanism for coal mine tunnel tunnelling in chinese patent CN216714422U, this emergent supporting mechanism for coal mine tunnel tunnelling has improved the practicality of device, however, this emergent supporting mechanism for coal mine tunnel tunnelling, when solving the problem, has following shortcoming:

the height of the support is adjusted through the clamping connection of the second limiting block and the second limiting hole and the matching of the second limiting block and the extension rod, and the position of the second limiting hole is fixed, so that the height of the support is limited by the position of the second limiting hole, and the support is limited to a certain limit.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a temporary support mechanism for coal mine tunneling, which solves the problems mentioned in the background art, and overcomes the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a temporary support mechanism for coal mine tunneling, including a first square column, a rotating shaft is rotatably connected in the first square column, one end of the rotating shaft is fixedly connected with a first bevel gear, a round hole is formed in the first square column, a mounting ring is fixedly connected in the round hole, a screw is rotatably connected in the mounting ring, one end of the screw is fixedly connected with a second bevel gear, a second square column is screwed on the surface of the screw, and one end of the second square column is fixedly connected with a square plate.

By the above-mentioned optional scheme preferred, the surface rotation of square board is connected with the rotor plate, the spout has been seted up to the inside of square board, the inside sliding connection of spout has the sliding plate, the inside fixedly connected with spring of sliding plate, the one end fixedly connected with fixture block of spring, the sliding plate can play the supporting role to the rotor plate.

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

1. the rotating shaft drives the screw to rotate through the meshing of the first bevel gear and the second bevel gear, so that the second square column drives the square plate to move up and down freely, the square plate can be stopped at any position, the adjusting range of the supporting height is enlarged, and the use flexibility of the supporting mechanism is improved.

2. The upset pivoted plate makes its and square board align, promotes the pivoted plate and removes in the spout to make the pivoted plate enter into in the pivoted plate, the spring is released the fixture block afterwards, and fixture block and pivoted plate joint are spacing to the pivoted plate, and the pivoted plate can not rotate by the pivoted plate locking this moment, makes pivoted plate and square board play the supporting role simultaneously, increase area of support.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of the exterior profile according to the present utility model;

FIG. 2 is a schematic cross-sectional structural view of a first column according to the present utility model;

FIG. 3 is a schematic cross-sectional structural view of a square plate according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present utility model.

Wherein: 1. the device comprises a first square column, 2, a rotating shaft, 3, a first bevel gear, 4, a round hole, 5, a mounting ring, 6, a screw rod, 7, a second bevel gear, 8, a second square column, 9, square plates, 10, rotating plates, 11, sliding grooves, 12, sliding plates, 13, springs, 14, clamping blocks, 15, a first bottom plate, 16, a second bottom plate, 17, a telescopic square column, 18, a connecting bolt, 19, a screw hole, 20, an inner hexagon bolt, 21, a guide hole, 22, a guide rod, 23, a bearing, 24 and a hinge.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-4, a temporary support mechanism for coal mine tunneling in this embodiment includes a first square column 1, a rotating shaft 2 is rotatably connected in the first square column 1, one end of the rotating shaft 2 extends to the outer side of the first square column 1 and is fixedly connected with a rotating wheel and a handle, one end of the rotating shaft 2 is fixedly connected with a first bevel gear 3, a round hole 4 is formed in the first square column 1, a mounting ring 5 is fixedly connected in the round hole 4, a screw rod 6 is rotatably connected in the mounting ring 5, a bearing 23 is fixedly mounted in the mounting ring 5, the screw rod 6 is fixedly connected with the inner ring of the bearing 23, a second bevel gear 7 is fixedly connected in one end of the screw rod 6 and is meshed with the first bevel gear 3, a second square column 8 is connected in a threaded manner on the surface of the screw rod 6, four groups of guide holes 21 are formed in the surface of the first square column 1, a guide rod 22 is fixedly connected with the second square column 8, and one end of the second square column 8 is fixedly connected with a square plate 9.

Example 1: the surface rotation of square board 9 is connected with rotor plate 10, and spout 11 has been seted up to the inside of square board 9, and the inside sliding connection of spout 11 has slide plate 12, and slide plate 12's inside fixedly connected with spring 13, the one end fixedly connected with fixture block 14 of spring 13, the fixed surface of square board 9 installs hinge 24, rotates through hinge 24 between square board 9 and the rotor plate 10 to be connected, and rotor plate 10 has two sets of altogether, has seted up the draw-in groove with fixture block 14 assorted on the rotor plate 10.

Example 2: the surface rotation of first square post 1 is connected with first bottom plate 15 and second bottom plate 16, and the inside rotation of second bottom plate 16 is connected with flexible square post 17, and the surface threaded connection of first bottom plate 15 has connecting bolt 18, and screw 19 has been seted up on the surface of first bottom plate 15, and the surface threaded connection of first square post 1 has hexagon socket head cap screw 20, and first square post 1 rotates with first bottom plate 15 and second bottom plate 16 through the round pin axle to be connected, and flexible square post 17 shares the tertiary, and the one end of flexible square post 17 inserts in the first bottom plate 15 and is fixed by connecting bolt 18.

The working principle of the utility model is as follows: when the rotary plate is used, firstly, the inner hexagon bolts 20 are rotated to separate the inner hexagon bolts from the screw holes 19, at the moment, the first bottom plate 15 and the second bottom plate 16 are overturned and attached to the ground, the telescopic square columns 17 are rotated and pulled out to be inserted into the first bottom plate 15 and fixed through the connecting bolts 18, then the rotary plate 10 is overturned to align with the square plates 9, the sliding plate 12 is pulled to move into the rotary plate 10, the springs 13 push the clamping blocks 14 to be clamped with the rotary plate 10, limiting and fixing of the rotary plate 10 are completed, the handles and the rotating wheels are rotated, the rotating shafts 2 and the first bevel gears 3 are driven to rotate, the first bevel gears 3 and the second bevel gears 7 are meshed to drive the screw rods 6 to rotate, and the second square columns 8 can drive the square plates 9 and the rotary plate 10 to ascend to support.

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

1. the rotating shaft 2 is rotated, the rotating shaft 2 drives the first bevel gear 3 to rotate, the screw rod 6 is driven to rotate in the mounting ring 5 through the engagement of the first bevel gear 3 and the second bevel gear 7, the square column 8 drives the square plate 9 to move up and down freely along the screw rod 6, the rotating shaft can be stopped at any position, the adjusting range of the supporting height is enlarged, and the use flexibility of the supporting mechanism is improved.

2. The rotating plate 10 is turned over to align with the square plate 9, the sliding plate 12 is pushed to move in the sliding groove 11, the sliding plate 12 enters the rotating plate 10, then the clamping block 14 is pushed out by the spring 13, the clamping block 14 is clamped with the rotating plate 10 to limit the sliding plate 12, and at the moment, the rotating plate 10 can be locked by the sliding plate 12 and cannot rotate, so that the rotating plate 10 and the square plate 9 simultaneously play a supporting role, and the supporting area is increased.

Claims

1. A temporary support mechanism for coal mine tunneling is characterized by comprising a first square column (1), wherein a rotating shaft (2) is connected to the inner rotation of the first square column (1), a first bevel gear (3) is fixedly connected to one end of the rotating shaft (2), a round hole (4) is formed in the inner portion of the first square column (1), a mounting ring (5) is fixedly connected to the inner portion of the round hole (4), a screw rod (6) is connected to the inner rotation of the mounting ring (5), a second bevel gear (7) is fixedly connected to one end of the screw rod (6), a second square column (8) is connected to the surface of the screw rod (6) through threads, and a square plate (9) is fixedly connected to one end of the second square column (8).

2. The temporary support mechanism for coal mine tunneling according to claim 1, wherein the surface of the square plate (9) is rotatably connected with a rotating plate (10), a sliding groove (11) is formed in the square plate (9), a sliding plate (12) is slidably connected in the sliding groove (11), a spring (13) is fixedly connected in the sliding plate (12), and a clamping block (14) is fixedly connected at one end of the spring (13).

3. The temporary support mechanism for coal mine tunneling according to claim 1, wherein the surface of the first bottom plate (1) is rotatably connected with a first bottom plate (15) and a second bottom plate (16), the interior of the second bottom plate (16) is rotatably connected with a telescopic square column (17), the surface of the first bottom plate (15) is in threaded connection with a connecting bolt (18), and a screw hole (19) is formed in the surface of the first bottom plate (15).

4. Temporary support mechanism for coal mine tunnelling as claimed in claim 1, characterised in that the surface of the first party column (1) is threaded with socket head cap bolts (20).

5. A temporary support mechanism for coal mine tunnelling as claimed in claim 1, characterised in that the surface of the first party column (1) is provided with a pilot hole (21), the inside of the pilot hole (21) being slidingly connected with a pilot rod (22).

6. Temporary support mechanism for coal mine tunnelling as claimed in claim 1, characterised in that the inside of the mounting ring (5) is fixedly fitted with bearings (23).

7. Temporary support mechanism for coal mine tunnelling as claimed in claim 1, characterised in that the surface of the square plate (9) is fixedly fitted with a hinge (24).