CN218265957U

CN218265957U - Colliery is tunnelling safety support structure in pit

Info

Publication number: CN218265957U
Application number: CN202222980832.7U
Authority: CN
Inventors: 席文强; 计平; 贾树盈
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-01-10
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a colliery is tunnelling safety support structure in pit relates to coal mining technical field, the on-line screen storage device comprises a base, base bottom outer wall is provided with the friction pad, friction pad and base looks adaptation, base top outer wall all is provided with the set screw who runs through base and friction pad all around, set screw's length is greater than base and friction pad thickness, the inside slidable mounting of base has adjusting part, the adjusting part top is connected with the mount, the outside joint in mount top has the bracing piece that the equidistance distributes, bracing piece and mount looks adaptation. During the use, bracing piece top and tunnel contact support the tunnel, easy operation, and convenient to use compares in traditional device, and is bigger to the support area in tunnel, and the bearing capacity is bigger, is favorable to improving and struts the effect.

Description

Colliery is tunnelling safety support structure in pit

Technical Field

The utility model relates to a coal mining technical field, in particular to colliery is tunnelling safety support structure in pit.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, when a coal bed is far away from the ground surface, a tunnel is generally selected to dig coal to the underground, so that the mineworker coal mine can provide good operating conditions for implementing the mineworker mining project through tunneling operation, and the mining equipment has enough safe and convenient operating space and environment. In the tunneling construction, tunneling equipment needs to act on a rock stratum or a soil body, and then continuously moves forward to continuously develop a space; in the process of tunneling, conditions such as instability of rock strata or geological changes easily occur, and collapse or even larger safety accidents can be caused under severe conditions, so that support construction needs to be made during underground tunneling, and the conventional metal generally supports a roadway through a support structure.

However, the existing supporting structure has certain disadvantages, the existing supporting device generally adopts steel pipes to support the top of the roadway, the supporting range is small, only a small part of areas corresponding to the supporting mechanism can be supported, and the supporting area is small, so that the bearing capacity of the supporting structure is dispersed, and the supporting effect is poor.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a coal mine underground tunneling safety supporting structure to solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a colliery is tunnelling safety support structure in pit, includes the base, base bottom outer wall is provided with the friction pad, friction pad and base looks adaptation, base top outer wall all is provided with the set screw who runs through base and friction pad all around, set screw's length is greater than base and friction pad thickness, the inside slidable mounting of base has adjusting part, the adjusting part top is connected with the mount, the outer joint in mount top has the bracing piece that the equidistance distributes, bracing piece and mount looks adaptation.

Preferably, the top of the supporting rod is provided with a protection pad matched with the supporting rod, the outer wall of the top of the fixing frame is provided with fixing grooves distributed equidistantly, the fixing grooves are matched with the supporting rod, the depth of each fixing groove is smaller than the thickness of the supporting rod, and the inner wall of each fixing groove is provided with an anti-skid pad matched with the fixing groove.

Preferably, the adjusting assembly comprises an adjusting rod which is inserted into the inner wall of the base in a sliding mode, the outer wall of the top of the adjusting rod is connected with the outer wall of the bottom of the fixing frame, a piston pad is arranged on the outer wall of the bottom of the adjusting rod, and the piston pad is connected with the inner wall of the base in a sliding mode.

Preferably, the bottom of the outer wall of one side of the base is provided with an air inlet pipe and an air outlet pipe which are communicated into the base, the outer wall of the air inlet pipe is provided with an air pump, and the outer wall of the air outlet pipe is provided with an electric control valve.

Preferably, the outer wall of the adjusting rod is provided with connecting holes distributed at equal intervals, the inner wall of each connecting hole is provided with an anti-skidding ring matched with the connecting hole, and the top of the outer wall of the base is provided with a connecting pin matched with the connecting holes.

Preferably, the welding of base outer wall has the mounting panel, the threaded rod is all installed through the screw rotation at mounting panel outer wall both ends, the control panel is installed in the terminal rotation of threaded rod, threaded hole is all seted up with the bottom in control panel outer wall top, threaded hole inner wall is provided with connecting bolt.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, the top of the support bar contacts with the tunnel and supports the tunnel, the operation is simple, the use is convenient, compared with the traditional device, the support area to the tunnel is bigger, the bearing capacity is bigger, is favorable to improving the supporting effect;

2. the utility model discloses in, thereby adjust the pole and slide and then highly adjusting the mount at base inner wall and make the bracing piece support and then accomplish the strutting to the tunnel top to improve the tunnelling security in the pit.

3. The utility model discloses in, bracing piece altitude mixture control accomplishes the back, can be with adjusting pole height fixation in inserting the connecting hole with the connecting pin, prevents to lead to adjusting the pole decline and make the bracing piece can't support the tunnel strutting in-process intake pipe or outlet duct trouble.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a main body of the present application;

FIG. 2 is a schematic view of a base structure according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a base according to an embodiment of the present application;

fig. 4 is a schematic view of a fixing frame according to an embodiment of the present application.

In the figure: 1. a base; 2. a friction pad; 3. a set screw; 4. a fixed mount; 5. a support bar; 6. a protective pad; 7. fixing grooves; 8. a non-slip mat; 9. adjusting a rod; 10. a piston pad; 11. an air inlet pipe; 12. an air outlet pipe; 13. connecting holes; 14. an anti-slip ring; 15. a connecting pin; 16. mounting a plate; 17. a threaded rod; 18. and a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

Referring to fig. 1-4, the underground coal mine tunneling safety support structure comprises a base 1, wherein a friction pad 2 is arranged on the outer wall of the bottom of the base 1, the friction pad 2 is matched with the base 1, fixing screws 3 penetrating through the base 1 and the friction pad 2 are arranged on the periphery of the outer wall of the top of the base 1, the length of each fixing screw 3 is larger than the thickness of the base 1 and the thickness of the friction pad 2, an adjusting assembly is slidably arranged inside the base 1, a fixing frame 4 is connected to the top of the adjusting assembly, supporting rods 5 distributed equidistantly are clamped outside the top of the fixing frame 4, and the supporting rods 5 are matched with the fixing frame 4.

Borrow by above-mentioned mechanism, during the use, earlier fixed with base 1 through set screw 3, install bracing piece 5 on mount 4 in proper order after that, bracing piece 5 installation is accomplished the back, highly adjust bracing piece 5 through adjusting part for 5 tops of bracing piece support the tunnel with the tunnel contact, easy operation, convenient to use compares in traditional device, and is bigger to the support area in tunnel, and the bearing capacity is bigger, is favorable to improving strutting effect.

Example two

Based on above-mentioned

embodiment

1, 5 tops of bracing piece are provided with the protection pad 6 rather than the looks adaptation, fixed slot 7 that equidistance distributes is seted up to 4 top outer walls of mount,

fixed slot

7 and 5 looks adaptations of bracing piece, the 7 degree of depth of fixed slot is less than bracing piece 5 thickness, 7 inner walls of fixed slot are provided with the slipmat 8 rather than the looks adaptation, protection pad 6 can make bracing piece 5 inseparabler with the laminating of tunnel top when protecting bracing piece 5, thereby better support the tunnel, fixed slot 7 is connected bracing piece 5 and mount 4, be convenient for install in dismantling bracing piece 5, the friction between 8 increase bracing pieces of slipmat 5 and mount 4, make bracing piece 5 more stable, difficult removal.

EXAMPLE III

Based on above-mentioned

embodiment

1 or 2, the regulating assembly is including the regulation pole 9 of slip grafting and base 1 inner wall, adjust pole 9 top outer wall and mount 4 bottom outer wall connection, it is provided with piston pad 10 to adjust pole 9 bottom outer wall, piston pad 10 and base 1 inner wall sliding connection, bracing piece 5 is connected the completion back with mount 4, thereby slide and then support and then accomplish the strutting to the tunnel to the height of mount 4 at base 1 inner wall through adjusting pole 9, thereby improve the safety of tunneling in the pit.

Example four

Based on above-mentioned

embodiment

1, 2 or 3, 1 one side outer wall bottom of base is provided with intake pipe 11 and the outlet duct 12 that lets in the inside of base 1, the aspiration pump is installed to 11 outer walls of intake pipe, automatically controlled valve is installed to outlet duct 12 outer walls, intake pipe 11 is through the aspiration pump with the leading-in base 1 of outside air promptly, along with the gradual increase of air, the air extrudees piston pad 10, make adjust pole 9 constantly rise and then adjust 5 highly to bracing piece, and the operation is thus simple, high durability and convenient use, outlet duct 12 emits the air in the base 1 and can descend bracing piece 5, and it is more convenient to use.

EXAMPLE five

Based on above-mentioned

embodiment

1, 2, 3 or 4, adjust the pole 9 outer wall and seted up the connecting hole 13 that the equidistance distributes, the connecting hole 13 inner wall is provided with the antiskid circle 14 rather than the looks adaptation, base 1 outer wall top is provided with connecting pin 15, connecting pin 15 and connecting hole 13 looks adaptation, bracing piece 5 height adjustment accomplishes the back, insert connecting pin 15 in connecting hole 13 can be with adjusting pole 9 height fixation, prevent to strut in-

process intake pipe

11 or 12 troubles of outlet duct and lead to adjusting pole 9 to descend and make bracing piece 5 unable support the tunnel.

EXAMPLE six

Based on the

above embodiments

1, 2, 3, 4 or 5, the outer wall of the base 1 is welded with the mounting plate 16, both ends of the outer wall of the mounting plate 16 are rotatably provided with the threaded rods 17 through threads, the end of the threaded rod 17 is rotatably provided with the control panel 18, both the top and the bottom of the outer wall of the control panel 18 are provided with the threaded holes, the inner wall of the threaded hole is provided with the connecting bolt, after the fixing of the base 1 is completed, the threaded rod 17 is rotated to enable the control panel 18 to be tightly attached to the inner wall of the roadway, thereby enabling the base 1 to be more stable, then the support rods 5 are sequentially mounted on the fixing frame 4, the fixing groove 7 connects the support rods 5 with the fixing frame 4, thereby facilitating the mounting of the support rods 5, the non-slip mat 8 increases the friction between the support rods 5 and the fixing frame 4, thereby enabling the support rods 5 to be more stable and difficult to move, while the support rods 5 are protected by the support rods 5, the support rods 5 are more tightly attached to the top of the roadway, after the connection of the support rods 5 with the fixing frame 4 is completed, the support rods 5 are slid on the inner wall of the base 1 through the adjusting rod 9, thereby facilitating the air extraction of the air pump, thereby facilitating the support rods to be more easily used for supporting the adjustment of the support rods, and further increasing the height of the air inlet pipe 9, thereby facilitating the air outlet pipe 10, and further facilitating the support rods, and further increasing the height adjustment of the air inlet pipe 10, and further facilitating the air inlet pipe 10, and using the air inlet pipe, and further facilitating the air outlet pipe 10, the problem that the adjusting rod 9 descends due to the fault of the air inlet pipe 11 or the air outlet pipe 12 in the supporting process, so that the supporting rod 5 cannot support the roadway is avoided.

This practical theory of operation:

during the use, earlier fixed with base 1 through set screw 3, after base 1 is fixed to be accomplished, rotate threaded rod 17 for control panel 18 is hugging closely the tunnel inner wall, and rethread connecting bolt is connected control panel 18 and tunnel inner wall, thereby makes base 1 more stable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a colliery is tunnelling safety support structure in pit, includes base (1), its characterized in that: the utility model discloses a friction pad, including base (1), friction pad (2), base (1), adjusting part top, the outer wall of base (1) bottom is provided with friction pad (2), friction pad (2) and base (1) looks adaptation, base (1) top outer wall all is provided with set screw (3) that run through base (1) and friction pad (2) all around, the length of set screw (3) is greater than base (1) and friction pad (2) thickness, base (1) inside slidable mounting has adjusting part, the adjusting part top is connected with mount (4), mount (4) top outer joint has bracing piece (5) that the equidistance distributes, bracing piece (5) and mount (4) looks adaptation.

2. The underground coal mine tunneling safety support structure according to claim 1, which is characterized in that: the utility model discloses a safety protection pad, including bracing piece (5), mount (4), fixed slot (7) that the equidistance distributes are seted up to bracing piece (5) top, bracing piece (5) top is provided with rather than the protection pad (6) of looks adaptation, fixed slot (7) and bracing piece (5) looks adaptation, fixed slot (7) degree of depth is less than bracing piece (5) thickness, fixed slot (7) inner wall is provided with slipmat (8) rather than the looks adaptation.

3. The underground coal mine tunneling safety support structure according to claim 1, which is characterized in that: the adjusting assembly comprises an adjusting rod (9) inserted into the inner wall of the base (1) in a sliding mode, the outer wall of the top of the adjusting rod (9) is connected with the outer wall of the bottom of the fixing frame (4), a piston pad (10) is arranged on the outer wall of the bottom of the adjusting rod (9), and the piston pad (10) is connected with the inner wall of the base (1) in a sliding mode.

4. The underground coal mine tunneling safety support structure according to claim 1, which is characterized in that: the air suction device is characterized in that an air inlet pipe (11) and an air outlet pipe (12) which are communicated into the base (1) are arranged at the bottom of the outer wall of one side of the base (1), an air suction pump is installed on the outer wall of the air inlet pipe (11), and an electric control valve is installed on the outer wall of the air outlet pipe (12).

5. The underground coal mine tunneling safety support structure according to claim 3, characterized in that: the outer wall of the adjusting rod (9) is provided with connecting holes (13) which are distributed equidistantly, the inner wall of each connecting hole (13) is provided with an anti-skidding ring (14) matched with the connecting hole, the top of the outer wall of the base (1) is provided with a connecting pin (15), and the connecting pins (15) are matched with the connecting holes (13).

6. The underground coal mine tunneling safety support structure according to claim 1, which is characterized in that: base (1) outer wall welding has mounting panel (16), threaded rod (17) are all installed through the screw rotation in mounting panel (16) outer wall both ends, control panel (18) are installed in terminal rotation of threaded rod (17), control panel (18) outer wall top and bottom all set up threaded hole, threaded hole inner wall is provided with connecting bolt.