CN213392223U

CN213392223U - Supporting structure for coal mine stope face

Info

Publication number: CN213392223U
Application number: CN202022381941.8U
Authority: CN
Inventors: 范小龙
Original assignee: Zuoyundeng Gucheng Coal Industry Co Ltd Of Shanxi Coal Import And Export Group
Current assignee: Zuoyundeng Gucheng Coal Industry Co Ltd Of Shanxi Coal Import And Export Group
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a supporting construction for colliery recovery working face, including the branch pipe, the quantity of branch pipe is two sets of, the last fixed surface installation bearing frame of two sets of branch pipes, and fixed mounting reinforcing bar net between the preceding back wall of bearing frame, the lower surface border position fixed mounting extension board of bearing frame, and the fixed surface of branch pipe cup joints the link, the equal fixed mounting screw rod of lower surface of link, and the swivel nut in the lower extreme movable mounting of screw rod, the lower extreme movable mounting foot rest of interior swivel nut, and the two sets of concave framves of lower fixed surface installation of branch pipe, the inside fixed mounting fixed bar of concave frame, and the surface activity of fixed bar has cup jointed compression spring, cup jointed the universal wheel through the horizontal pole between the two sets of fixed bars. The utility model discloses in, protect to the thing that falls at the top, reduce the injured risk of staff, simultaneously, the universal wheel makes things convenient for the device removal more, makes supporting construction more have the flexibility.

Description

Supporting structure for coal mine stope face

Technical Field

The utility model relates to a bearing field especially relates to a supporting construction for colliery stope face.

Background

Mining of mines is generally from front to back for safety, a roadway is firstly opened and then the mine enters a far place of a planned mining area, so that in order to ensure safety in the mining process, a supporting structure of a stope face needs to be assisted.

Traditional a supporting construction for colliery stope face when using, can support overall structure but to the condition that garrulous little material drops, is difficult to carry out timely effectual protection, and simultaneously, supporting construction in case the removal is comparatively difficult after confirming the position, has influenced colliery stope face's supporting construction's application range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a supporting structure for a coal mine stope face.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a supporting structure for a coal mine stope comprises two groups of branch pipes, wherein bearing frames are fixedly arranged on the upper surfaces of the two groups of branch pipes, a reinforcing mesh is fixedly arranged between the front wall and the rear wall of the bearing frame, two groups of support plates are fixedly arranged at the edge position of the lower surface of the bearing frame, the outer walls of two sides of the two groups of branch pipes which are far away from each other are fixedly connected with the support plates, the outer surface of the branch pipe is fixedly sleeved with a connecting frame, the lower surface of the connecting frame is fixedly provided with a screw rod, an inner threaded sleeve is movably arranged at the lower end of the screw rod, a foot rest is movably arranged at the lower end of the inner threaded sleeve, two groups of concave frames are fixedly arranged on the lower surfaces of the branch pipes, a fixed rod is fixedly arranged inside each concave frame, and compression springs are movably sleeved on the outer surfaces of the fixed rods, transverse rods are movably mounted between the two groups of fixed rods, and universal wheels are movably sleeved on the outer surfaces of the transverse rods.

Preferably, the cross section of the connecting frame is concave, and the connecting frame and the branch pipe are vertically distributed.

Preferably, the concave surfaces of the two groups of concave frames are close to each other, and the cross bar is positioned below the compression spring.

Preferably, it is two sets of fixed mounting diaphragm between the both sides outer wall that the branch pipe is close to each other, and one side outer wall of branch pipe has seted up two sets of recesses, fixed mounting baffle between the both sides inner wall of branch pipe, and one side outer wall of branch pipe pass through the silo under the recess fixed mounting, one side outer wall movable mounting collection thing case of link, and the feed inlet has been seted up to the upper surface of collection thing case.

Preferably, the included angle between the transverse plate and the bearing frame is thirty degrees, and the transverse plate is fixedly connected with the branch pipe through the groove.

Preferably, the included angle between the baffle and the branch pipe is forty-five degrees, and the outer wall of one side of the baffle is fixedly connected with the groove.

Preferably, the branch pipe is of a hollow structure, and the lower end of the blanking groove is movably connected with the feeding hole.

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

1. in the utility model, through the arrangement of the transverse plate, if a small piece of falling object appears at the top of a construction site during construction, the small piece of falling object passes through the reinforcing mesh and falls above the transverse plate, and the small piece of falling object slides into the object collecting box through the branch pipe and the blanking groove along the transverse plate according to the action of gravity, so that the falling object can be effectively prevented from damaging the safety of workers, and the transverse plate, the bearing frame and the branch pipe form a triangular structure, so that the bearing structure is reinforced to ensure that the supporting structure is more stable;

2. in the utility model, the connecting frame is connected with the pin frame through the screw rod and the inner thread sleeve, when the supporting structure needs to be moved, the inner thread sleeve can be screwed to shorten the screw rod through the thread structure, so that the distance from the foot rest to the connecting frame is shortened, the universal wheel is contacted with the ground, the device can be pushed to move, when the supporting structure is moved to a proper position, the inner thread sleeve is screwed again to adjust the distance of the screw rod, the distance from the connecting frame to the foot rest is increased, the universal wheel is not contacted with the ground, the position of the supporting structure can be fixed, and the supporting structure can be supported without changing the position during working;

to sum up, protect the top object of falling, reduce the injured risk of staff, simultaneously, the universal wheel makes things convenient for the device removal more, makes supporting construction more have the flexibility.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of a supporting structure for a coal mine stope according to the present invention;

fig. 2 is a top view of an embodiment of a supporting structure for a coal mine stope according to the present invention;

fig. 3 is an enlarged view of a concave frame of a supporting structure for a coal mine stope face according to the present invention;

fig. 4 is a cross-sectional view of a second embodiment of the supporting structure for a coal mine stope according to the present invention;

fig. 5 is a schematic structural diagram of a blanking chute of a supporting structure for a coal mine stope face according to the present invention.

In the figure: the device comprises a support pipe 1, a bearing frame 2, a reinforcing mesh 3, a support plate 4, a transverse plate 5, a groove 6, a connecting frame 7, a screw rod 8, an inner threaded sleeve 9, a foot rest 10, a material collecting box 11, a material inlet 12, a concave frame 13, a fixed rod 14, a compression spring 15, a transverse rod 16, a universal wheel 17, a baffle 18 and a blanking groove 19.

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.

Example one

Referring to fig. 1-3, a supporting structure for a coal mine stope comprises two groups of branch pipes 1, wherein the number of the branch pipes 1 is two, a bearing frame 2 is fixedly arranged on the upper surface of the two groups of branch pipes 1, a reinforcing mesh 3 is fixedly arranged between the front wall and the rear wall of the bearing frame 2, two groups of support plates 4 are fixedly arranged on the edge position of the lower surface of the bearing frame 2, the outer walls of the two sides, far away from each other, of the two groups of branch pipes 1 are fixedly connected with the support plates 4, the outer surfaces of the branch pipes 1 are fixedly sleeved with a connecting frame 7, the lower surface of the connecting frame 7 is fixedly provided with a screw rod 8, the lower end of the screw rod 8 is movably provided with an inner screw sleeve 9, the lower end of the inner screw sleeve 9 is movably provided with a foot rest 10, the lower surfaces of the branch pipes 1 are fixedly provided with two groups of concave frames 13, the inner parts of the concave frames, and the outer surface of the cross rod 16 is movably sleeved with a universal wheel 17.

The cross section of the connecting frame 7 is concave, the connecting frame 7 is perpendicular to the branch pipe 1, the concave surfaces of the two groups of concave frames 13 are close to each other, and the cross bar 16 is positioned below the compression spring 15.

Example two

Referring to fig. 2-4, a supporting structure for a coal mine stope comprises two groups of branch pipes 1, wherein the number of the branch pipes 1 is two, a bearing frame 2 is fixedly arranged on the upper surface of the two groups of branch pipes 1, a reinforcing mesh 3 is fixedly arranged between the front wall and the rear wall of the bearing frame 2, two groups of support plates 4 are fixedly arranged on the edge position of the lower surface of the bearing frame 2, the outer walls of the two sides, far away from each other, of the two groups of branch pipes 1 are fixedly connected with the support plates 4, the outer surfaces of the branch pipes 1 are fixedly sleeved with a connecting frame 7, the lower surface of the connecting frame 7 is fixedly provided with a screw rod 8, the lower end of the screw rod 8 is movably provided with an inner screw sleeve 9, the lower end of the inner screw sleeve 9 is movably provided with a foot rest 10, the lower surfaces of the branch pipes 1 are fixedly provided with two groups of concave frames 13, the inner parts of the concave frames, and the outer surface of the cross rod 16 is movably sleeved with a universal wheel 17.

The cross section of the connecting frame 7 is concave, the connecting frame 7 is vertically distributed with the branch pipes 1, the concave surfaces of two groups of concave frames 13 are close to each other, the cross rod 16 is positioned below the compression spring 15, a transverse plate 5 is fixedly arranged between the two side outer walls of the two groups of branch pipes 1 which are close to each other, two groups of grooves 6 are arranged on one side outer wall of each branch pipe 1, a baffle plate 18 is fixedly arranged between the two side inner walls of each branch pipe 1, a blanking groove 19 is fixedly arranged on one side outer wall of each branch pipe 1 through the corresponding groove 6, an object collecting box 11 is movably arranged on one side outer wall of the connecting frame 7, a feeding hole 12 is arranged on the upper surface of the object collecting box 11, the included angle between the transverse plate 5 and the bearing frame 2 is thirty degrees, the transverse plate 5 is fixedly connected with the branch pipes 1 through the corresponding grooves 6, the included angle between the baffle plate 18 and the branch pipes 1 is forty, and the lower end of the blanking groove 19 is movably connected with the feeding hole 12.

The working principle is as follows: two groups of branch pipes 1 and a bearing frame 2 are connected to form a complete supporting structure, a steel mesh 3 in the bearing frame 2 can enable the bearing frame 2 to be stressed uniformly, support plates 4 on two sides and the branch pipes 1 form a triangular structure, the supporting structure is more stable, meanwhile, the protection effect can be realized on falling objects on two sides, so that the safety of constructors is ensured, if small falling objects appear on the top of a construction site during construction, the small falling objects pass through the steel mesh 3 and fall above a transverse plate 5, the small falling objects slide into a material collecting box 11 through the branch pipes and a blanking groove 19 along the transverse plate 5 according to the action of gravity, the safety of the constructors can be effectively prevented from being injured by the falling objects, the safety of the constructors is ensured, the transverse plate 5, the bearing frame 2 and the branch pipes 1 form a triangular structure, the supporting structure is reinforced, the supporting structure is more stable, a connecting frame 7 is connected with a foot rest 10 through a screw 8 and an inner, when supporting construction need remove, can twist and move interior swivel nut 9 and make screw rod 8 shorten through helicitic texture, thereby make the distance of foot rest 10 to link 7 shorten, make universal wheel 17 contact ground, can thrust unit shift position, when removing to suitable position, twist once more and move the distance of interior swivel nut 9 adjusting screw 8, make the distance increase of link 7 to foot rest 10, thereby make universal wheel 17 not contact ground, can fix supporting construction's position, make and do not take place to change at during operation supporting construction position and play the supporting role, the utility model discloses in, protect to the thing that falls at the top, reduce staff's injured risk, simultaneously, the universal wheel makes things convenient for the device to remove more, makes supporting construction more have the flexibility.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a supporting construction for colliery recovery working face, includes branch pipe (1), its characterized in that: the number of the branch pipes (1) is two, the upper surfaces of the two groups of the branch pipes (1) are fixedly provided with a bearing frame (2), a reinforcing mesh (3) is fixedly arranged between the front wall and the rear wall of the bearing frame (2), the lower surface edge position of the bearing frame (2) is fixedly provided with two groups of support plates (4), the two groups of the branch pipes (1) are far away from each other, the outer walls of the two sides of the two groups of the branch pipes (1) are fixedly connected with the support plates (4), the outer surfaces of the branch pipes (1) are fixedly sleeved with a connecting frame (7), the lower surfaces of the connecting frame (7) are fixedly provided with a screw rod (8), the lower end of the screw rod (8) is movably provided with an inner screw sleeve (9), the lower end of the inner screw sleeve (9) is movably provided with a foot rest (10), the lower surfaces of the branch pipes (1) are fixedly provided with two groups of concave frames (13), the inner parts of the concave, a cross rod (16) is movably arranged between the two groups of fixed rods (14), and the outer surface of the cross rod (16) is movably sleeved with a universal wheel (17).

2. A support construction for a coal mine stope according to claim 1, wherein the cross-sectional shape of the connecting frame (7) is concave, and the connecting frame (7) is arranged perpendicular to the branch pipe (1).

3. A support structure for a coal mine working face as claimed in claim 1, wherein the concave faces of the two sets of concave brackets (13) are adjacent to each other and the cross bar (16) is located below the compression spring (15).

4. The supporting structure for the coal mine stope face according to claim 1, wherein two groups of branch pipes (1) are fixedly provided with transverse plates (5) between two side outer walls which are close to each other, two groups of grooves (6) are formed in one side outer wall of each branch pipe (1), baffle plates (18) are fixedly arranged between two side inner walls of each branch pipe (1), a discharging groove (19) is fixedly arranged in one side outer wall of each branch pipe (1) through the grooves (6), a material collecting box (11) is movably arranged on one side outer wall of the connecting frame (7), and a feeding hole (12) is formed in the upper surface of the material collecting box (11).

5. A supporting construction for a coal mine stope according to claim 4, characterized in that the included angle between the transverse plate (5) and the bearing frame (2) is thirty degrees, and the transverse plate (5) is fixedly connected with the branch pipe (1) through the groove (6).

6. A supporting construction for a coal mine stope working face according to claim 4, characterized in that the included angle between the baffle (18) and the branch pipe (1) is forty-five degrees, and the outer wall of one side of the baffle (18) is fixedly connected with the groove (6).

7. A support structure for a coal mine stope according to claim 4, wherein the branch pipe (1) is of a hollow structure, and the lower end of the blanking chute (19) is movably connected with the feed port (12).