CN214660287U

CN214660287U - Mine supporting device for coal mine tunneling

Info

Publication number: CN214660287U
Application number: CN202120933496.3U
Authority: CN
Inventors: 余忠业
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-09
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a mine supporting device for coal mine tunneling, which comprises two groups of bearing plates and a supporting component for supporting the two groups of bearing plates, wherein the bottoms of the two groups of bearing plates are provided with fixed frames, the two groups of bearing plates are movably connected with the fixed frames through two groups of rotating shafts, the supporting component comprises two-way screws movably connected with two groups of vertical inner walls of the fixed frames, two groups of sleeve blocks sleeved on the two-way screws and connecting rods hinged between the bearing plates and the sleeve blocks; a bottom plate with a rectangular plate-shaped structure is arranged below the fixed frame, and the fixed frame is connected with the bottom plate through four groups of supporting and adjusting components arranged in a rectangular array. This mine supporting device for coal mine tunnelling, simple structure, it is functional strong.

Description

Mine supporting device for coal mine tunneling

Technical Field

The utility model belongs to the technical field of coal mining safety protection, concretely relates to mine supporting device is used in colliery tunnelling.

Background

Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Although the value of coal is not as good as before in the twenty-first century, coal is one of indispensable energy sources for production and life of human beings at present and in a long time in the future after all, the supply of coal is also related to the stability of the development of the industry of China and the aspect of the whole society, and the problem of the supply safety of coal is the most important part in the energy safety of China.

When the existing coal mine tunneling support device is used, the side face of the top cannot be well supported often during supporting, and corresponding adjustment cannot be carried out according to the angle of the side face, so that the use of an operator is influenced.

Therefore, in view of the current situation, the design and production of a mine supporting device for coal mine tunneling are urgently needed to meet the needs of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mine supporting device is used in colliery tunnelling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mine supporting device for coal mine tunneling comprises two groups of bearing plates and a supporting assembly for supporting the two groups of bearing plates, wherein the bottoms of the two groups of bearing plates are provided with fixed frames, the two groups of bearing plates are movably connected with the fixed frames through two groups of rotating shafts, and the supporting assembly comprises two-way screw rods movably connected with two groups of vertical inner walls of the fixed frames, two groups of sleeve blocks sleeved on the two-way screw rods in a threaded manner and connecting rods hinged between the bearing plates and the sleeve blocks;

a bottom plate with a rectangular plate-shaped structure is arranged below the fixed frame, and the fixed frame is connected with the bottom plate through four groups of supporting and adjusting components arranged in a rectangular array.

In a further embodiment, the corners of the bottom plate are all connected with support legs, and each support leg is movably connected with idler wheels on two sides, so that the whole body can be conveniently moved.

In a further embodiment, the outer side wall of the supporting leg is integrally formed with a connecting block, a screw hole is formed in the top end of the connecting block, a screw rod is connected with the screw hole in an internal thread mode, a supporting plate is connected to the bottom end of the screw rod, and the stability of the whole body can be guaranteed.

In a further embodiment, support adjusting part includes sleeve pipe, a fixed section of thick bamboo and threaded rod, sheathed tube bottom offer with threaded rod threaded connection's screw hole, the bottom of threaded rod extend to the inside of a fixed section of thick bamboo and with the inside diapire swing joint of a fixed section of thick bamboo, can satisfy to adjust and adjust.

In a further embodiment, the periphery of the fixed cylinder is connected with a motor, the output end of the motor is fixedly connected with a rotating rod through a coupler, the other end of the rotating rod extends into the fixed cylinder and is connected with a first gear, the periphery of the threaded rod is connected with a second gear meshed with the first gear, and the overall height can be adjusted.

In a further embodiment, the periphery of the bidirectional screw is connected with a hexagonal nut, and the hexagonal nut is located in the middle of the bidirectional screw and can drive the threaded rod to rotate through the hexagonal nut.

In a further embodiment, the upper surface of the bearing plate is tightly attached with a rubber plate, so that a certain protection effect can be achieved.

The utility model discloses a technological effect and advantage: according to the mine supporting device for coal mine tunneling, the hexagonal nut is rotated to drive the bidirectional screw rod to rotate, and the angle of the bearing plate is adjusted through the matching use of the sleeve block and the connecting rod, so that the mine supporting device is suitable for supporting requirements of different side surfaces; the first gear is driven to rotate by the motor, the threaded rod is driven to rotate by the first gear through the second gear, and the threaded rod is in threaded connection with the sleeve, so that the height of the bearing plate is adjusted, and the overall practicability is improved; by rotating the screw rod, the screw rod drives the support plate to abut against the ground, so that the stability of the whole moving body is ensured; this mine supporting device for coal mine tunnelling, simple structure, it is functional strong.

Drawings

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

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

fig. 3 is a sectional view of the fixed cylinder of the present invention;

fig. 4 is an enlarged view of the structure B in fig. 1 according to the present invention.

In the figure: the device comprises a fixed frame 1, a bottom plate 2, a bearing plate 3, a sleeve 4, a fixed cylinder 5, a bidirectional screw rod 6, a hexagonal nut 7, a sleeve block 8, a connecting rod 9, a motor 10, a first gear 11, a second gear 12, a threaded rod 13, supporting legs 14, rollers 15, a supporting plate 16 and a threaded rod 17.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to make bearing plate 3 be applicable to the support demand of different sides, as shown in fig. 1 and fig. 2, it is two sets of the bottom of bearing plate 3 is provided with fixed frame 1, the upper surface of bearing plate 3 closely laminates and is provided with the rubber slab, and is two sets of bearing plate 3 all is through two sets of pivots and fixed frame 1 swing joint, supporting component includes and establishes two sets of collets 8 of two-way lead screw 6 with fixed frame 1 two sets of vertical inner wall swing joint, threaded sleeve and articulate connecting rod 9 between bearing plate 3 and collets 8 in two-way lead screw 6's periphery, two-way lead screw 6's periphery is connected with hexagon nut 7, and hexagon nut 7 is located two-way lead screw 6's middle part position, the below of fixed frame 1 is provided with rectangular plate structure's bottom plate 2, be connected through the support adjusting part of four groups of rectangular array arrangements between fixed frame 1 and the bottom plate 2.

In order to ensure the stability after the integral movement, as shown in fig. 1 and 4, four corners of the bottom plate 2 are connected with support legs 14, two sides of each support leg 14 are movably connected with rollers 15, the outer side walls of the support legs 14 are integrally formed with connecting blocks, screw holes are formed in the top ends of the connecting blocks, screw rods 17 are connected with the screw holes in internal threads, and support plates 16 are connected with the bottom ends of the screw rods 17.

In order to adjust the height of bearing plate 3, as shown in fig. 1 and 3, support adjusting part and include sleeve pipe 4, solid fixed cylinder 5 and threaded rod 13, the screw hole with 13 threaded connection of threaded rod is seted up to sleeve pipe 4's bottom, the bottom of threaded rod 13 extend to solid fixed cylinder 5's inside and with solid fixed cylinder 5's inside diapire swing joint, gu fixed cylinder 5's periphery is connected with motor 10, shaft coupling fixedly connected with bull stick is passed through to motor 10's output, and the other end of bull stick extends to solid fixed cylinder 5 in and is connected with first gear 11, the periphery of threaded rod 13 is connected with second gear 12 with first gear 11 meshing.

The theory of operation, this mine supporting device is used in colliery tunnelling, when using, with this whole place that moves to needs, rotating screw rod 17 after that, screw rod 17 drives extension board 16 ground of contradicting, start multiunit motor 10 afterwards, drive first gear 11 through motor 10 and rotate, first gear 11 drives threaded rod 13 through second gear 12 and rotates, through threaded

rod

13 and 2 threaded connection of sleeve pipe, thereby adjust the height of bearing plate 3, afterwards, through rotating hexagon nut 7, hexagon nut 7 drives two-way lead screw 6 and rotates, and use through the cooperation of collets 8 and connecting rod 9, adjust the angle of bearing plate 3, make bearing plate 3 laminate the support to the flank.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.

Claims

1. The utility model provides a mine supporting device for coal mine tunnelling, includes two sets of bearing plates (3) and is used for supporting the supporting component of two sets of bearing plates (3), its characterized in that: the bottom of the two groups of bearing plates (3) is provided with a fixed frame (1), the two groups of bearing plates (3) are movably connected with the fixed frame (1) through two groups of rotating shafts, and the supporting assembly comprises two-way lead screws (6) movably connected with two groups of vertical inner walls of the fixed frame (1), two groups of sleeve blocks (8) which are sleeved on the two-way lead screws (6) in a threaded manner, and connecting rods (9) which are hinged between the bearing plates (3) and the sleeve blocks (8);

the fixing frame is characterized in that a bottom plate (2) of a rectangular plate-shaped structure is arranged below the fixing frame (1), and the fixing frame (1) is connected with the bottom plate (2) through four groups of supporting and adjusting components arranged in a rectangular array.

2. The mine support device for coal mine excavation according to claim 1, characterized in that: all be connected with stabilizer blade (14) in the corner of the bottom of bottom plate (2) everywhere, every group the equal swing joint in both sides of stabilizer blade (14) has gyro wheel (15).

3. A mine support device for coal mine excavation according to claim 2, characterized in that: the outer side wall integrated into one piece of stabilizer blade (14) has the connecting block, and the screw has been seted up on the top of connecting block, and screw female connection has screw rod (17), the bottom of screw rod (17) is connected with extension board (16).

4. The mine support device for coal mine excavation according to claim 1, characterized in that: support adjusting part and include sleeve pipe (4), a fixed section of thick bamboo (5) and threaded rod (13), the screw hole with threaded rod (13) threaded connection is seted up to the bottom of sleeve pipe (4), the bottom of threaded rod (13) extend to the inside of a fixed section of thick bamboo (5) and with the inside diapire swing joint of a fixed section of thick bamboo (5).

5. A mine support device for coal mine excavation according to claim 4, wherein: the periphery of a fixed cylinder (5) is connected with a motor (10), the output end of the motor (10) passes through a rotating rod fixedly connected with a shaft coupling, the other end of the rotating rod extends into the fixed cylinder (5) and is connected with a first gear (11), and the periphery of a threaded rod (13) is connected with a second gear (12) meshed with the first gear (11).

6. The mine support device for coal mine excavation according to claim 1, characterized in that: the periphery of the bidirectional screw rod (6) is connected with a hexagonal nut (7), and the hexagonal nut (7) is located in the middle of the bidirectional screw rod (6).

7. The mine support device for coal mine excavation according to claim 1, characterized in that: the upper surface of the bearing plate (3) is tightly attached with a rubber plate.