CN214303870U

CN214303870U - Supporting frame for coal mining tunneling roadway

Info

Publication number: CN214303870U
Application number: CN202120308457.4U
Authority: CN
Inventors: 张明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-09-28
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a supporting frame for coal mining and tunneling, which comprises a supporting plate and a vertical plate, wherein the upper surface of the supporting plate is provided with a group of extension plates in a sliding way, the inner side surface of each extension plate is provided with a group of grooves, the inner side surface of the supporting plate is provided with two groups of first threaded rods in a rotating way, the outer surface of the first threaded rod is provided with a group of supporting blocks, the supporting blocks can be clamped in the grooves, the inner side surface of the vertical plate is provided with a second threaded rod in a threaded way, the outer surface of the threaded rod is provided with a rotating shaft in a threaded way, the two ends of the rotating shaft are hinged with a first rotating plate and a second rotating plate, the second rotating plate is hinged with the vertical plate, the outer surface of the first rotating plate is provided with a cylinder body in a hinged way, the inner side surface of the vertical plate is provided with a rectangular groove, a sliding block is arranged in the rectangular groove in a sliding way, a spring is fixedly arranged on the lower surface of the sliding block, and the rotating shaft of the second threaded rod is driven to move left and right, the first rotating plate and the second rotating plate which are hinged with the rotating shaft are driven to bend or unbend, and the support plate is lifted.

Description

Supporting frame for coal mining tunneling roadway

Technical Field

The utility model relates to a coal mining technology field specifically is a braced frame for coal mining tunnelling.

Background

The coal mining is to separate valuable coal from the underground or the ground surface and transport the valuable coal away from the site, coal deposits are layered, the distribution range is wide, the storage capacity is large, the coal quality is crisp and easy to cut and crush, the mining often accompanies disasters such as water, fire, gas and the like, the mining mode is divided into open-pit mining and underground mining, an underground mining excavation roadway needs to support a mine tunnel channel through a support frame to prevent coal mine collapse from protecting mining personnel, the size of a support frame cannot be adjusted according to the size of the roadway by the existing support frame, the support effect is not ideal and is difficult to form protection, and therefore a support frame for coal mining excavation roadway needs to be provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a braced frame for coal mining tunnelling tunnel 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: the utility model provides a braced frame for coal mining tunnelling tunnel, includes extension board and riser, extension board upper surface slides and is equipped with a set of extension board, a set of recess has been seted up to the extension inboard side, the extension inboard side rotates and is equipped with two sets of threaded rod one, a threaded rod outer surface thread bush is equipped with a set of supporting shoe, the supporting shoe can block and establish in the recess, riser medial surface thread bush is equipped with threaded rod two, threaded rod outer surface thread bush has the pivot, the articulated rotor plate one and rotor plate two that are equipped with in pivot both ends, rotor plate two is connected with the riser is articulated, a rotor plate surface is articulated to be equipped with the cylinder, the rectangular channel has been seted up to the riser medial surface, the cylinder can block and establish in the rectangular channel, the sliding block slides in the rectangular channel and is equipped with the sliding block, sliding block fixed surface is equipped with the spring.

Preferably, an inner column is fixedly arranged on the lower surface of the support plate, and an outer column is slidably arranged on the outer surface of the inner column.

Preferably, the inner side surface of the outer column is provided with a jack, the inner side surface of the inner column is provided with a pin hole, the outer surface of the outer column is connected with an inserted bar, and the inserted bar penetrates through the jack and the pin hole.

Preferably, the upper surface of the support plate is fixedly provided with a sliding rod, and the sliding rod is clamped in the groove.

Preferably, the outer surface of the threaded rod is threaded with a vertical rod, and the vertical rod is perpendicular to the ground.

Preferably, two groups of round holes are formed in the inner side surface of the support plate, and the threaded rod penetrates through the round holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. firstly, a rotating shaft sleeved with a screw thread of a second threaded rod is moved left and right by rotating the second threaded rod, so that the second threaded rod drives a first rotating plate and a second rotating plate which are hinged with the rotating shaft to bend or unbend, and a support plate is lifted;

2. the support plate is lifted, the inner column is driven to move upwards along the outer column, and the support plate is conveniently fixed by inserting the inserting rods into the pin holes and the inserting holes;

3. when the roadway is long, the first threaded rod can be rotated out, the extension plate is slid, the groove formed in the extension plate is clamped on the supporting block, and the extension plate is fixed.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic diagram of the structure at B in FIG. 2;

in the figure: 1. a support plate; 12. an extension plate; 13. a first threaded rod; 14. a groove; 15. a support block; 16. a slide bar; 2. a vertical plate; 21. a second threaded rod; 22. rotating the first plate; 23. a second rotating plate; 24. erecting a rod; 25. a slider; 26. a spring; 27. a rectangular groove; 28. a rotating shaft; 29. a cylinder; 3. an outer column; 31. an inner column; 32. a pin hole; 33. inserting a rod; 34. and (4) inserting the jack.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a supporting frame for coal mining and tunneling comprises a supporting plate 1 and a vertical plate 2, wherein a group of extension plates 12 are arranged on the upper surface of the supporting plate 1 in a sliding mode, a group of grooves 14 are formed in the inner side surfaces of the extension plates 12, two groups of threaded rods 13 are arranged on the inner side surfaces of the supporting plate 1 in a rotating mode, a group of supporting blocks 15 are sleeved on the outer surface of the threaded rods 13 in a threaded mode, the supporting blocks 15 can be separated to conveniently support the extension plates 12, the supporting blocks 15 can be clamped in the grooves 14, the extension plates 12 slide out, threaded rods 21 are sleeved on the inner side surfaces of the vertical plate 2 in a threaded mode, a rotating shaft 28 is sleeved on the outer surface of the threaded rods 21 in a threaded mode, a rotating plate 22 and a rotating plate 23 are hinged to the two ends of the rotating shaft 28, the rotating plate 23 is hinged to the vertical plate 2, a column 29 is hinged to the outer surface of the rotating plate 22, a rectangular groove 27 is formed in the inner side surface of the vertical plate 2, and the column 29 can be clamped in the rectangular groove 27, sliding block 25 slides in rectangular channel 27, sliding block 25 lower fixed surface is equipped with spring 26, and through rotating second threaded rod 21, the pivot 28 that makes its screw thread cover establish moves about, makes it drive the first 22 of swivel plate and the second 23 of swivel plate of being connected with pivot 28 articulated and buckle or straighten, raises extension board 1.

As an embodiment of the utility model, the fixed surface is equipped with inner prop 31 under extension board 1, the outer surface of inner prop 31 slides and is equipped with outer prop 3, and outer prop 3 is fixed in ground, makes things convenient for inner prop 31 to slide from top to bottom, raises and moves down extension board 1.

As an embodiment of the utility model, jack 34 has been seted up to 3 medial surfaces of outer post, pinhole 32 has been seted up to 31 medial surfaces of inner post, 3 surface connections of outer post have inserted bar 33, inserted bar 33 runs through jack 34 and pinhole 32, convenient fixed extension board 1.

As an embodiment of the present invention, the surface of the support plate 1 is fixed with a slide bar 16, the slide bar 16 is clamped in the groove 14, so as to facilitate the horizontal sliding of the extension plate 12.

As an embodiment of the utility model, the two 21 external surface screw threads of threaded rod have pole setting 24, pole setting 24 perpendicular to ground makes things convenient for fixed threaded rod two 21.

As an embodiment of the present invention, two sets of round holes are opened on the inner side surface of the support plate 1, and the round holes are penetrated by the first threaded rod 13.

The working principle is as follows: when the scheme is used, firstly, the second threaded rod 21 is rotated, the rotating shaft 28 which is sleeved with the second threaded rod is enabled to move left and right, the rotating plate 22 which is hinged to the rotating shaft 28 is enabled to be driven to bend or stretch with the second rotating plate 23, the extension plate 1 is raised, the inner column 31 is driven to move upwards along the outer column 3 when the extension plate 1 is raised, the inserting rod 33 is used for inserting the pin hole 32 and the inserting hole 34, the extension plate 1 is fixed, when a roadway is long, the first threaded rod 13 can be rotated out, the extension plate 12 slides, the groove 14 which is formed in the extension plate 12 is enabled to be clamped on the supporting block 15, and the extension plate 12 is fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A supporting frame for coal mining and tunneling comprises a supporting plate (1) and a vertical plate (2), and is characterized in that a group of extension plates (12) are arranged on the upper surface of the supporting plate (1) in a sliding mode, a group of grooves (14) are formed in the inner side surfaces of the extension plates (12), two groups of first threaded rods (13) are arranged on the inner side surfaces of the supporting plate (1) in a rotating mode, a group of supporting blocks (15) are sleeved on the outer surface of the first threaded rods (13) in a threaded mode, the supporting blocks (15) can be clamped in the grooves (14), a second threaded rod (21) is sleeved on the inner side surface of the vertical plate (2) in a threaded mode, a rotating shaft (28) is sleeved on the outer surface of the second threaded rod (21) in a threaded mode, a first rotating plate (22) and a second rotating plate (23) are hinged to the two ends of the rotating shaft (28), the second rotating plate (23) is hinged to the vertical plate (2), a cylinder (29) is hinged to the outer surface of the first rotating plate (22), rectangular channel (27) have been seted up to riser (2) medial surface, cylinder (29) can block and establish in rectangular channel (27), it is equipped with sliding block (25) to slide in rectangular channel (27), sliding block (25) lower fixed surface is equipped with spring (26).

2. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: an inner column (31) is fixedly arranged on the lower surface of the support plate (1), and an outer column (3) is arranged on the outer surface of the inner column (31) in a sliding mode.

3. A supporting frame for a coal mining excavation roadway according to claim 2, characterized in that: jack (34) have been seted up to outer post (3) medial surface, pinhole (32) have been seted up to interior post (31) medial surface, outer post (3) surface is connected with inserted bar (33), inserted bar (33) run through jack (34) and pinhole (32).

4. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: the upper surface of the support plate (1) is fixedly provided with a sliding rod (16), and the sliding rod (16) is clamped in the groove (14).

5. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: the outer surface of the second threaded rod (21) is threaded with a vertical rod (24), and the vertical rod (24) is perpendicular to the ground.

6. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: two groups of round holes are formed in the inner side surface of the support plate (1), and the threaded rod I (13) penetrates through the round holes.