CN213775396U

CN213775396U - Colliery is axle bottom syncline exploitation supporting device in pit

Info

Publication number: CN213775396U
Application number: CN202022035736.6U
Authority: CN
Inventors: 杨浩; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-23
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a colliery is shaft bottom syncline mining support device in pit, including the mine ground, the mine ground upper berth is equipped with the base, and the base bottom surface is fixed with the ground reinforcing apparatus who is located the mine ground, and the upper surface of base is fixed with the lift adjustment structure, and the upper end of lift adjustment structure is fixed with the shock attenuation and supports the roof; according to the scheme, the foundation reinforcing device is used for reinforcing the mine foundation, so that the mine foundation and the base are connected into a whole, the pit pressure and the shock resistance of the foundation are improved, the stability of the foundation in the mine is ensured, and the supporting structure is fixed more firmly; the scheme adopts the shock attenuation roof to carry out effective direct buffering to the little vibrations that receive, can avoid strutting arrangement to receive lasting damage in little vibrations, avoids the potential safety hazard to produce.

Description

Colliery is axle bottom syncline exploitation supporting device in pit

Technical Field

The utility model relates to a supporting technical field specifically is a colliery is axle head syncline exploitation supporting device in pit.

Background

In coal mine production, an underground mining mode is the most important mode, so that the research on the underground mining technology has very important practical significance, the application of the underground mining technology is required to be suitable for coal mine geology and coal bed distribution conditions, a mining scheme is well established in advance, and the application and supporting mode of equipment are determined. With the continuous development of mining technology, the inclined mining mode is gradually widely applied, and the like.

When the shaft bottom is mined slantways underground, in order to ensure the stability of the support frame, the support device pursues higher support strength, but the underground is easily influenced by extrusion or vibration, so that the foundation is loosened, the support balance is damaged, and the pursuit of the support strength is insufficient; the frequency of small vibrations in the mine is higher, causes accumulative damage to the supporting device easily, produces the hidden danger that is difficult for noticing, in order to solve above-mentioned problem, we have provided a colliery shaft bottom syncline mining supporting device in pit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is axle head syncline mining supporting device in pit 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 colliery is shaft bottom syncline mining supporting device in pit, includes the mine ground, the mine ground upper berth is equipped with the base, the base bottom surface is fixed to be equipped with the ground reinforcing apparatus who is located the mine ground, the last fixed surface of base is equipped with the lift adjustment structure, the fixed shock attenuation of being equipped with in upper end of lift adjustment structure supports the roof.

Preferably, the foundation reinforcing apparatus is including locating the concrete layer in the mine foundation, the even longitudinal fixity in base bottom surface is equipped with the montant, the montant lower extreme runs through the concrete layer and fixedly is equipped with the flat board, transversely run through in the concrete layer has horizontal strengthening rib, and horizontal strengthening rib runs through the montant, and is adjacent fixedly connected with is located the intraformational X shape strengthening rib of concrete between the montant.

Preferably, the lifting adjusting structure comprises a cylinder fixedly assembled at the middle part of the upper surface of the base, a round rod is inserted in the cylinder in a sliding mode, through holes are uniformly formed in the front side wall and the rear side wall of the round rod, bolts penetrating through the through holes penetrate through the front side wall and the rear side wall of the cylinder, nuts are screwed at the rear ends of the bolts, an annular plate is sleeved on the outer wall of the round rod, a supporting rod is fixedly connected between the annular plate and the damping supporting top plate, hydraulic cylinders connected with an external liquid supply system are fixedly assembled on the left side and the right side of the upper surface of the base, and telescopic rods at the upper ends of the hydraulic cylinders are fixedly connected with the bottom surface of the annular plate.

Preferably, the shock attenuation is supported the roof and is included first diaphragm and second diaphragm, the round hole has evenly been seted up to first diaphragm upper surface, the even fixed assembly of round hole of second diaphragm bottom surface corresponds the grafting post, and the grafting post lower extreme slides and pegs graft in the round hole, the even fixed assembly of first diaphragm upper surface has cup jointed the sleeve in the grafting post outer wall, the fixed spacing ring that has the slip assembly in the sleeve that has cup jointed of grafting post outer wall, fixedly connected with spring between spacing ring and the sleeve inner chamber bottom surface.

Compared with the prior art, this scheme has designed a colliery is shaft bottom syncline exploitation supporting device in pit, has following beneficial effect:

(1) the scheme adopts the ground reinforcing apparatus to carry out reinforcement treatment to the mine ground for the mine ground is connected as an organic whole with the base, improves the hole pressure of ground, shock resistance, guarantees the firm of ground in the mine, makes supporting construction fixed more firm simultaneously.

(2) The scheme adopts the shock attenuation roof to carry out effective direct buffering to the little vibrations that receive, can avoid strutting arrangement to receive lasting damage in little vibrations, avoids the potential safety hazard to produce.

Drawings

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

fig. 2 is a schematic sectional view of the local structure of the middle damping supporting top plate of the utility model.

In the figure: the device comprises a mine foundation 1, a base 2, a foundation reinforcing device 3, a concrete layer 31, a vertical rod 32, a flat plate 33, a transverse reinforcing rib 34, an X-shaped reinforcing rib 35, a lifting adjusting structure 4, a cylinder 41, a round rod 42, a through hole 43, a bolt 44, an annular plate 45, a hydraulic cylinder 46, a damping supporting top plate 5, a first transverse plate 51, a second transverse plate 52, a round hole 53, an inserting column 54, a sleeve 55, a limiting ring 56 and a spring 57.

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 and fig. 2, the present invention provides a technical solution: the utility model provides a colliery is shaft bottom syncline mining supporting device in pit, includes mine

ground

1, and 1 upper berth of mine ground is equipped with

base

2, and 2 bottom surfaces of base are fixed to be equipped with the ground reinforcing apparatus 3 that is located mine ground 1, and the last fixed surface of base 2 is equipped with lift adjustment structure 4, and lift adjustment structure 4's upper end is fixed to be equipped with shock attenuation supporting roof 5.

The mine foundation 1 is reinforced through the foundation reinforcing device 3, the compression resistance and the shock resistance of the mine foundation 1 are improved, the height of the supporting device is conveniently adjusted through the lifting adjusting structure 4, and small vibration is buffered through the damping supporting top plate 5.

Foundation reinforcement 3 is including locating the concrete layer 31 in mine foundation 1, and the even longitudinal fixity in base 2 bottom surface is equipped with montant 32, and montant 32 lower extreme runs through concrete layer 31 and fixedly equipped with dull and stereotyped 33, transversely runs through in the concrete layer 31 and has horizontal strengthening rib 34, and horizontal strengthening rib 34 runs through montant 32, and fixedly connected with is located the X shape strengthening rib 35 in concrete layer 31 between the adjacent montant 32.

Through the orderly distribution and the cooperation of the vertical rods 32, the transverse reinforcing ribs 34 and the X-shaped reinforcing ribs 35 in the concrete layer 31, the strength of the mine foundation 1 is improved, the base 2 and the mine foundation 1 are connected more firmly, and the anti-seismic and anti-compression characteristics of the mine foundation 1 are improved.

Lifting adjusting structure 4 is including fixed assembly in the drum 41 at base 2 upper surface middle part, it has round bar 42 to slide to peg graft in drum 41, through-hole 43 has evenly been seted up to the lateral wall around round bar 42, the lateral wall runs through the bolt 44 that passes through-hole 43 around drum 41, and bolt 44 rear end spiro union has the nut, annular plate 45 has been cup jointed to round bar 42 outer wall, and fixedly connected with bracing piece between annular plate 45 and the shock attenuation roof 5, base 2 upper surface left and right sides fixed assembly has the pneumatic cylinder 46 of connecting outside confession liquid system, pneumatic cylinder 46 upper end telescopic link and the 45 bottom surface fixed connection of annular plate.

In this embodiment, the external hydraulic system includes supporting oil tank and oil pump, and for pneumatic cylinder 46 back oil feed hydraulic cylinder 46 upwards jack-up shock attenuation roof 5 moves upwards, through the cooperation of bolt 44 and nut, can carry out spacing fixed to the position of the round bar 42 that goes up and down to suitable position, guarantees that supporting device provides sufficient support strength.

Damping support roof 5 includes first diaphragm 51 and second diaphragm 52, round hole 53 has evenly been seted up to first diaphragm 51 upper surface, the even fixed assembly of round hole 53 is corresponded to second diaphragm 52 bottom surface has grafting post 54, and grafting post 54 lower extreme slides and pegs graft in round hole 53, the even fixed assembly of first diaphragm 51 upper surface has cup jointed the sleeve 55 in grafting post 54 outer wall, grafting post 54 outer wall is fixed to cup joint the spacing ring 56 of sliding assembly in sleeve 55, fixedly connected with spring 57 between spacing ring 56 and the sleeve 55 inner chamber bottom surface, when receiving little vibrations, it slides in grafting post 54 inserts round hole 53, spring 57 is by compressive deformation, utilize the elastic potential energy atress of spring 57 to cushion.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a colliery is shaft bottom syncline mining supporting device in pit, includes mine ground (1), its characterized in that: the mine foundation (1) upper berth is equipped with base (2), base (2) bottom surface is fixed to be equipped with foundation reinforcing apparatus (3) that are located mine foundation (1), the last fixed surface of base (2) is equipped with lift adjustment structure (4), the upper end of lift adjustment structure (4) is fixed to be equipped with shock attenuation support roof (5).

2. The underground coal mine shaft bottom syncline mining support device according to claim 1, characterized in that: foundation reinforcing apparatus (3) is including locating concrete layer (31) in mine foundation (1), the even longitudinal fixation in base (2) bottom surface is equipped with montant (32), montant (32) lower extreme runs through concrete layer (31) fixed mounting is equipped with flat board (33), transversely run through in concrete layer (31) has horizontal strengthening rib (34), and horizontal strengthening rib (34) run through montant (32), and is adjacent fixedly connected with X shape strengthening rib (35) that are located concrete layer (31) between montant (32).

3. The underground coal mine shaft bottom syncline mining support device according to claim 1, characterized in that: lifting adjusting structure (4) are including fixed mounting in drum (41) at base (2) upper surface middle part, it has round bar (42) to slide to peg graft in drum (41), through-hole (43) have evenly been seted up to lateral wall around round bar (42), lateral wall runs through bolt (44) that pass through-hole (43) around drum (41), and bolt (44) rear end spiro union has the nut, ring plate (45) have been cup jointed to round bar (42) outer wall, and fixedly connected with bracing piece between ring plate (45) and shock attenuation roof support (5), base (2) upper surface left and right sides fixed mounting has pneumatic cylinder (46) of connecting outside liquid supply system, pneumatic cylinder (46) upper end telescopic link and ring plate (45) bottom surface fixed connection.

4. The underground coal mine shaft bottom syncline mining support device according to claim 1, characterized in that: the damping supporting top plate (5) comprises a first transverse plate (51) and a second transverse plate (52), a round hole (53) is uniformly formed in the upper surface of the first transverse plate (51), an inserting column (54) is uniformly and fixedly assembled on the bottom surface of the second transverse plate (52) corresponding to the round hole (53), the lower end of the inserting column (54) is slidably inserted into the round hole (53), a sleeve (55) sleeved on the outer wall of the inserting column (54) is uniformly and fixedly assembled on the upper surface of the first transverse plate (51), a limiting ring (56) slidably assembled in the sleeve (55) is fixedly sleeved on the outer wall of the inserting column (54), and a spring (57) is fixedly connected between the limiting ring (56) and the bottom surface of an inner cavity of the sleeve (55).