CN219101377U

CN219101377U - Coal mine tunnel supporting mechanism

Info

Publication number: CN219101377U
Application number: CN202320453805.6U
Authority: CN
Inventors: 郝天轮; 张志虎; 丰云雷
Original assignee: Shandong Yankuang Design Consulting Co ltd
Current assignee: Shandong Yankuang Design Consulting Co ltd
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-05-30
Anticipated expiration: 2033-03-11

Abstract

The utility model discloses a coal mine roadway supporting mechanism, which comprises a bracket part, wherein the bracket part comprises a telescopic rod, the outer end of the telescopic rod is provided with a protection assembly, the protection assembly comprises two retaining plates symmetrically and fixedly connected to two sides of the telescopic rod, two retaining plates are arranged on each side, a clamping rod is clamped between the two retaining plates, a fixing bolt is connected between the clamping rod and the retaining plates in a threaded manner, the outer end of the clamping rod is fixedly connected with a folding frame, and the upper surface of the folding frame is provided with a protection net; this colliery tunnel supporting mechanism lays the protection network through the top at two folding shelves for the falling stone on tunnel top drops on the top of protection network, prevents that hard substances such as rubble that drops from causing danger to exploitation equipment and exploitation personnel, adopts the mode of joint to be connected telescopic link and folding shelf, convenient to detach and installation, thereby makes things convenient for protector transport.

Description

Coal mine tunnel supporting mechanism

Technical Field

The utility model relates to the technical field of coal mine roadway exploitation, in particular to a coal mine roadway support mechanism.

Background

Coal mines are areas where mankind is mining coal resources in coal-rich mining areas, and are generally classified into underground coal mines and open pit coal mines. When the coal seam is far from the earth surface, coal is generally selected to be extracted from underground mining roadways, which is an underground coal mine. Coal mines are reasonable spaces that humans excavate when mining coal-rich geologic formations, and generally include roadways, shaft pits, and face formations, among others. The mining of the deep coal mine needs to erect supporting devices to support the roadway, so that the coal mine is prevented from collapsing.

The supporting device for the coal mine tunnel disclosed in the Chinese patent CN217233549U can adjust the supporting height and the supporting width of the tunnel according to the use requirement, improves the applicability, and facilitates the personnel to move the supporting device through the arrangement of the universal wheels, thereby bringing convenience to the coal mine tunnel supporting operation of the personnel and meeting the use requirement. However, in the process of coal mining, noise and vibration generated by mechanical operation can be transmitted to the inner wall of the roadway, so that soil and stones at the top end of the roadway fall off, and hard substances such as fallen soil and stones not only damage mining equipment, but also cause danger to mining personnel in the roadway.

Therefore, the utility model provides a coal mine roadway supporting mechanism, which is characterized in that two groups of folding frames are connected through telescopic rods, and a protective net is paved at the top ends of the folding frames, so that the problems are solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a coal mine roadway supporting mechanism, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a colliery roadway support mechanism, includes the support piece, the support piece includes the telescopic link, the outer end of telescopic link is equipped with protection subassembly, protection subassembly including symmetry fixed connection in the board of keeping out of telescopic link both sides, every side keep out the board all be equipped with two, two the joint has the clamping lever between the board of keeping out, the clamping lever with threaded connection has fixing bolt between the board of keeping out, the outer end fixedly connected with folding leg of clamping lever, the upper surface of folding leg is equipped with the protection network.

Preferably, the telescopic link is equipped with two, just the support piece still include sliding connection in the spliced pole of telescopic link outer end, one of them the inside rotation of telescopic link is connected with the horizontal pole, another the inside rotation of telescopic link is connected with the bull stick, just the horizontal pole with rotate between the bull stick and be connected.

Preferably, the bottom fixedly connected with base of spliced pole, the interface of base is right trapezoid, just the inner chamber threaded connection of base has the inserted bar.

Preferably, a rack is arranged on one side of the telescopic rod, a shell is fixedly connected to one side of the connecting column, a gear is rotatably connected to the inside of the shell, the rack is meshed with the gear, a positioning bolt is fixedly connected to the outer end of the gear, and the positioning bolt is rotatably connected with the shell.

Preferably, the top end position of the outer side of the telescopic rod is provided with a groove, the inner cavity of the groove is fixedly connected with a water pipe, the inside of the telescopic rod is provided with a clamping groove, the inside of the clamping groove is fixedly connected with a spray head, and the spray head is fixedly connected with the water pipe.

Preferably, the spray heads are provided with a plurality of spray heads which are arranged at equal intervals, and one end of the water pipe is fixedly connected with a connecting nut.

Advantageous effects

The utility model provides a coal mine roadway supporting mechanism. Compared with the prior art, the method has the following beneficial effects:

(1) This colliery tunnel supporting mechanism is through laying the protection network on the top of two folding shelves for the falling stone on tunnel top drops on the top of protection network, prevents that hard substances such as rubble that drops from causing danger to exploitation equipment and exploitation personnel, adopts the mode of joint to be connected telescopic link and folding shelf, convenient to detach and installation, thereby makes things convenient for protector transport.

(2) This colliery tunnel supporting mechanism drives the inside rotation of gear at the shell through positioning bolt for the gear drives the telescopic link and slides in the inside of spliced pole, thereby adjusts the length when telescopic link and spliced pole fold, application scope is wide, and horizontal pole and bull stick can fold simultaneously and accomodate to the inside draw-in groove of telescopic link, and strutting arrangement can wholly fold, when making things convenient for the device transport, reduces the area of device, can form the water smoke blowout with the water in the water pipe through the shower nozzle that sets up, thereby plays dust fall and moist effect to the tunnel, improves the security of colliery exploitation.

Drawings

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the clamping rod and the folding frame of the present utility model;

FIG. 3 is a schematic view of the connection structure of the connecting column and the telescopic rod of the present utility model;

FIG. 4 is a schematic view of the connection structure of the rack and pinion of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3 according to the present utility model;

fig. 6 is a schematic diagram of a connection structure of a water pipe and a spray head according to the present utility model.

1, a bracket member; 101. a telescopic rod; 102. a connecting column; 103. a cross bar; 104. a rotating rod; 2. a protective assembly; 201. a retaining plate; 202. a clamping rod; 203. a fixing bolt; 204. a folding frame; 205. a protective net; 3. a base; 4. a rod; 5. a rack; 6. a housing; 7. positioning bolts; 8. a gear; 9. a water pipe; 10. a spray head; 11. and (5) connecting a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-3, a coal mine roadway supporting mechanism comprises a bracket member 1, wherein the bracket member 1 comprises a telescopic rod 101, the outer end of the telescopic rod 101 is provided with a protection assembly 2, the protection assembly 2 comprises two abutting plates 201 which are symmetrically and fixedly connected to two sides of the telescopic rod 101, each side of the abutting plates 201 is provided with two abutting plates 201, a clamping rod 202 is clamped between the two abutting plates 201, a fixing bolt 203 is connected between the clamping rod 202 and the abutting plates 201 in a threaded manner, the outer end of the clamping rod 202 is fixedly connected with a folding frame 204, the upper surface of the folding frame 204 is provided with a protective net 205, two connecting columns 102 are firstly fixed on the ground according to the width of a roadway, after a plurality of groups of bracket members 1 are installed according to the depth of the roadway, the folding frames 204 connected with the clamping rod 202 are respectively clamped into the abutting plates 201 at the outer ends of the telescopic rod 101 at the corresponding horizontal positions, the clamping rods 202 are fixed inside the abutting plates 201 by using fixing bolts 203, the mining protective net 205 between the two folding frames 204 protects the lower sides of the roadway from dropping hard substances such as crushed stone, and injuring equipment or workers;

the telescopic link 101 is equipped with two, and support piece 1 still includes sliding connection in the spliced pole 102 of telescopic link 101 outer end, the inside rotation of one of them telescopic link 101 is connected with horizontal pole 103, the inside rotation of another telescopic link 101 is connected with bull stick 104, and rotate between horizontal pole 103 and the bull stick 104 and be connected, when two spliced poles 102 opposite direction move, horizontal pole 103 and bull stick 104 rotate the coincide, thereby strengthen the stability between two spliced poles 102 and the ground, support piece 1 is when retrieving, the bull stick 104 is accomodate to the inside of horizontal pole 103, when two spliced poles 102 are close to each other, horizontal pole 103 and bull stick 104 are accomodate to the draw-in groove of telescopic link 101 inside, when making things convenient for support piece 1 to carry, reduce the area of support piece 1, the bottom fixedly connected with base 3 of spliced pole 102, the interface of base 3 is right trapezoid, and the inner chamber threaded connection of base 3 has inserted bar 4, right trapezoid's base 3 strengthens the stability between spliced pole 102 and the ground, the bottom of inserted bar 4 has the effect of rupture at the same time, thereby be convenient for inserted bar 4 inserts the ground depths.

Embodiment two:

referring to fig. 1-6, the present embodiment provides a technical solution for a coal mine roadway support mechanism based on the first embodiment: one side of the telescopic rod 101 is provided with a rack 5, one side of the connecting column 102 is fixedly connected with a shell 6, the inside of the shell 6 is rotationally connected with a gear 8, the rack 5 is meshed with the gear 8, the outer end of the gear 8 is fixedly connected with a positioning bolt 7, the positioning bolt 7 is rotationally connected with the shell 6, after the two connecting columns 102 of the bracket piece 1 are fixed, the positioning bolts 7 at the outer ends of the shells 6 at the two sides of the connecting column 102 are rotated according to the height of a roadway, the positioning bolts 7 drive the gear 8 to rotate, so that the telescopic rod 101 slides in the connecting column 102, the telescopic rod 101 is abutted against the top end of the roadway, the protective net 205 at the top end of the folding frame 204 is lifted, the impact force of broken stone falling is reduced, and the protective net 205 is prevented from being damaged;

the outside top position of telescopic link 101 is seted up flutedly, the inner chamber fixedly connected with water pipe 9 of recess, the inside of telescopic link 101 is equipped with the draw-in groove, and the inside fixedly connected with shower nozzle 10 of draw-in groove, fixedly connected with between shower nozzle 10 and the water pipe 9, shower nozzle 10 is equipped with a plurality of and equidistance and arranges, and the one end fixedly connected with coupling nut 11 of water pipe 9, before exploitation, the inside external pipe of selectable at coupling nut 11, the shower nozzle 10 blowout of water in the pipe from the water pipe 9 connection forms the water smoke, the water smoke plays dust fall and moist effect to the tunnel, the security when improving exploitation.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, two connecting columns 102 are fixed on the ground according to the width of a roadway, a plurality of groups of bracket components 1 are installed according to the depth of the roadway, after the installation is completed, folding frames 204 connected with clamping rods 202 are respectively clamped into a retaining plate 201 at the outer end of a telescopic rod 101 at a horizontal corresponding position, the clamping rods 202 are fixed in the retaining plate 201 by using fixing bolts 203, a protective net 205 between the two folding frames 204 protects the lower part of the roadway, hard substances such as broken stones are prevented from falling off, mining equipment or workers are injured by smashing, when the two connecting columns 102 move oppositely, a cross rod 103 and a rotating rod 104 are rotated and overlapped, so that the stability between the two connecting columns 102 and the ground is enhanced, simultaneously, when the bracket components 1 are recovered, the rotating rod 104 is stored in the cross rod 103, when the two connecting columns 102 are mutually close, the cross rod 103 and the rotating rod 104 are stored in a clamping groove in the telescopic rod 101, the floor space of the bracket 1 is reduced when the bracket 1 is convenient to carry, the right trapezoid base 3 enhances the stability between the connecting columns 102 and the ground, meanwhile, the bottom end of the inserted link 4 has the effect of breaking the earth in a sharp manner, so that the inserted link 4 can be conveniently inserted into the deep ground, after the two connecting columns 102 of the bracket 1 are fixed, the positioning bolts 7 at the outer ends of the shells 6 at the two sides of the connecting columns 102 are rotated according to the height of a roadway, the positioning bolts 7 drive the gears 8 to rotate, so that the telescopic link 101 slides in the connecting columns 102, the telescopic link 101 is abutted against the top end of the roadway, the protective net 205 at the top end of the folding frame 204 is lifted, the impact force of broken stone falling is reduced, the protective net 205 is prevented from being damaged, a conduit can be externally connected in the connecting nut 11, water in the conduit is sprayed out from the spray nozzle 10 connected with the water pipe 9, water mist is formed, the effect of dust fall and wetting is achieved on the roadway, the safety during exploitation is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a colliery tunnel supporting mechanism, includes support piece (1), its characterized in that: the support piece (1) comprises a telescopic rod (101), a protection component (2) is arranged at the outer end of the telescopic rod (101), the protection component (2) comprises two abutting plates (201) which are symmetrically and fixedly connected to two sides of the telescopic rod (101), each abutting plate (201) is provided with two clamping rods (202) which are clamped between the abutting plates (201), fixing bolts (203) are connected between the clamping rods (202) and the abutting plates (201) in a threaded mode, folding frames (204) are fixedly connected to the outer ends of the clamping rods (202), and protective nets (205) are arranged on the upper surfaces of the folding frames (204).

2. A coal mine roadway support mechanism as claimed in claim 1, wherein: the telescopic rods (101) are provided with two telescopic rods, the support piece (1) further comprises connecting columns (102) which are connected to the outer ends of the telescopic rods (101) in a sliding mode, one of the telescopic rods (101) is connected with a transverse rod (103) in a rotating mode, the other telescopic rod (101) is connected with a rotating rod (104) in a rotating mode, and the transverse rod (103) is connected with the rotating rod (104) in a rotating mode.

3. A coal mine roadway support mechanism as claimed in claim 2, wherein: the bottom fixedly connected with base (3) of spliced pole (102), the interface of base (3) is right trapezoid, just the inner chamber threaded connection of base (3) has inserted bar (4).

4. A coal mine roadway support mechanism as claimed in claim 2, wherein: one side of telescopic link (101) is equipped with rack (5), just one side fixedly connected with shell (6) of spliced pole (102), the inside rotation of shell (6) is connected with gear (8), rack (5) with gear (8) mesh mutually, just the outer end fixedly connected with positioning bolt (7) of gear (8), just positioning bolt (7) with rotate between shell (6) and be connected.

5. A coal mine roadway support mechanism as claimed in claim 1, wherein: the telescopic rod is characterized in that a groove is formed in the top end of the outer side of the telescopic rod (101), a water pipe (9) is fixedly connected to the inner cavity of the groove, a clamping groove is formed in the telescopic rod (101), a spray head (10) is fixedly connected to the inner portion of the clamping groove, and the spray head (10) is fixedly connected with the water pipe (9).

6. The coal mine roadway support mechanism of claim 5, wherein: the spray heads (10) are arranged in a plurality of equal distances, and one end of the water pipe (9) is fixedly connected with a connecting nut (11).