CN218376507U

CN218376507U - Coal mine tunneling and supporting device

Info

Publication number: CN218376507U
Application number: CN202220995072.4U
Authority: CN
Inventors: 张培鹏; 陈建晶; 李庆浩
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2023-01-24
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a colliery tunnelling supporting device, the load-bearing supporting device comprises a supporting bar, the telescopic is provided with the lifter in the bracing piece, be provided with elevating system on the bracing piece, elevating system is used for controlling the lift of lifter, and the top of lifter is provided with the sideslip case, and the side of sideslip case is provided with the sideslip motor, the inside of sideslip case is provided with two-way sideslip mechanism, and two-way sideslip mechanism is connected with the output shaft of sideslip motor, the top of sideslip case is provided with the sideslip groove. This colliery tunnelling supporting device is convenient for drive the lifter through elevating system's power and goes up and down in the bracing piece to realize adjusting the effect of the last sideslip case support height of lifter, utilize two bracing pieces that the function of two-way sideslip mechanism drove on it to carry out the sideslip towards relative or one side that leaves mutually, and then promote to support the arc board and contact with the wall, thereby realize adjusting the effect of supporting the width.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to a technical field is strutted in the colliery, specifically is a colliery tunnelling supporting device.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth's surface, the earth's surface layer is usually directly stripped to excavate coal, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above and below ground and related facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal, and generally include roadways, wells, excavation faces, and the like. Coal is the most predominant solid fuel, one of the flammable organic rocks. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age. In the geologic period around the world, the most coal is produced in formations of drumbeat, pilary, jurassic and Tertiary, which is an important coal-forming era. The carbon content of coal is generally 46 to 97%, brown to black, and has a dull to metallic luster. According to the degree of coalification, coal can be classified into peat, lignite, bituminous coal and anthracite.

At present, at the in-process of colliery tunnelling, need utilize supporting device to support the protection to the tunnel, however current supporting device structure is fixed, is not convenient for use demand quick adjustment support height and width more, and the inconvenient dismantlement and the removal of interim supporting device especially can slow down the tunnelling speed, so provides a colliery tunnelling supporting device and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a colliery tunnelling supporting device possesses advantages such as regulation holding height and width, has solved current supporting device fixed structure, and user demand quick adjustment holding height and width more are not convenient for, and especially temporary support device is inconvenient dismantles and removes, can slow down the problem of tunnelling speed.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery tunnelling supporting device, includes the bracing piece, the telescopic is provided with the lifter in the bracing piece, be provided with elevating system on the bracing piece, elevating system is used for controlling the lift of lifter, and the top of lifter is provided with the sideslip case, and the side of sideslip case is provided with the sideslip motor, the inside of sideslip case is provided with two-way sideslip mechanism, and two-way sideslip mechanism is connected with the output shaft of sideslip motor, the top of sideslip case is provided with the sideslip groove, two-way sideslip mechanism runs through the sideslip groove transmission and is connected with the horizontal bracing piece of two reverse sideslips, and one that two horizontal bracing pieces leave is served and all is provided with the support arc board.

Furthermore, a rack is arranged inside the lifting rod, lifting grooves communicated with the rack are formed in two side wall surfaces opposite to the lifting rod, and the lifting mechanism penetrates through the lifting grooves and is in transmission connection with the rack.

Furthermore, the lifting mechanism comprises a lifting motor arranged on the outer wall surface of the supporting rod, first rotating bearings arranged on the inner wall surface of the supporting rod opposite to the inner wall surface, a rotating rod arranged between the two first rotating bearings and penetrating through the lifting groove and the rack, and a rotating gear arranged outside the rotating rod and meshed with the rack, wherein the rotating rod penetrates through the supporting rod and is connected with an output shaft of the lifting motor.

Furthermore, two opposite inner wall surfaces of the supporting rod are provided with limiting grooves, and two opposite outer wall surfaces of the lifting rod are provided with limiting blocks in sliding connection with the limiting grooves.

Furthermore, the bidirectional traversing mechanism comprises two second rotating bearings arranged on the opposite inner wall surfaces of the traversing box, a rotating screw rod arranged between the two second rotating bearings and connected with an output shaft of the traversing motor, two traversing shafts arranged at the outer parts of the rotating screw rod in a threaded manner, and a transmission block arranged at the top parts of the traversing shafts and connected with the transverse support rod, wherein two sections of opposite thread grooves are arranged at the outer parts of the rotating screw rod, and the two traversing shafts are respectively arranged at the outer parts of the two sections of opposite thread grooves in a threaded manner.

Further, the length of the transverse moving groove is larger than the sum of the transverse moving lengths of the two transverse supporting rods.

(III) advantageous effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this colliery tunnelling supporting device is through stretching out and drawing back in the bracing piece and be provided with the lifter that is used for the lifter to go up and down on the bracing piece, is convenient for drive the lifter through elevating system's power and goes up and down in the bracing piece to realize adjusting the effect of the last horizontal box support height of lifter.

2. This colliery tunnelling supporting device is provided with elevator motor and two-way sideslip mechanism through traversing case on, be convenient for drive two-way sideslip mechanism through elevator motor's power and move, thereby utilize two bracing pieces on it to drive and move towards relative or one side that leaves mutually by the function of two-way sideslip mechanism, and then promote to support the arc board and contact with the wall, thereby realize adjusting the effect of supporting the width, when needs are dismantled simultaneously, it needs will support the arc board and withdraw, and can with the lifter reduction.

Drawings

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

FIG. 2 is a sectional view of the connecting structure of the supporting rod and the lifting rod of the present invention;

FIG. 3 is a cross sectional view of the structure of the traverse box of the present invention;

fig. 4 is a top view of the present invention.

In the figure: the device comprises a supporting rod 1, a lifting rod 2, a lifting groove 3, a rack 4, a lifting motor 5, a first rotating bearing 6, a rotating rod 7, a rotating gear 8, a limiting groove 9, a limiting block 10, a transverse moving box 11, a transverse moving motor 12, a second rotating bearing 13, a rotating screw rod 14, a transverse moving shaft 15, a transverse moving groove 16, a transmission block 17, a transverse supporting rod 18 and a supporting arc plate 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. 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 coal mine excavation supporting device in this embodiment includes a supporting rod 1, a hollow cavity is formed inside the supporting rod 1, and the top of the supporting rod is open, a lifting rod 2 is telescopically disposed in the supporting rod 1, the lifting rod 2 is inserted into the hollow cavity through the open end, so that the lifting rod 2 can be telescoped in the supporting rod 1, so as to adjust the supporting height thereof, a lifting mechanism is disposed on the supporting rod 1, the lifting mechanism is used for controlling the lifting of the lifting rod 2, a traverse box 11 is fixedly connected to the top of the lifting rod 2, a traverse motor 12 is fixedly mounted on the side of the traverse box 11, the inside of the traverse box 11 is hollow, a bidirectional traverse mechanism is disposed inside the traverse box 11, the bidirectional traverse mechanism is connected to an output shaft of the traverse motor 12, so as to drive the bidirectional traverse mechanism to operate inside the traverse box 11 by the power of the traverse motor 12, a traverse groove 16 is disposed on the top of the traverse box 11, the traverse groove 16 is communicated with the hollow cavity inside of the traverse box 11, the bidirectional traverse mechanism penetrates through the traverse groove 16 to drive the supporting rod 18, two transverse support plates 18, and two arc plates are integrally formed on one side of the supporting rod 18, so as to adjust the supporting rod 18, and the two arc plates 19.

Wherein, the vertical section of the supporting arc plate 19 is arc

In this embodiment, a rack 4 is disposed inside the lifting rod 2, two side wall surfaces opposite to the lifting rod 2 are both provided with a lifting groove 3 communicated with the rack 4, the lifting mechanism penetrates through the lifting groove 3 and is in transmission connection with the rack 4, and the lifting mechanism drives the lifting rod 2 to lift through the transmission relation with the rack 4.

Wherein, above-mentioned elevating system is including fixed elevator motor 5 that sets up on the bracing piece 1 outer wall face, fixed mounting is first swivel bearing 6 on the relative internal face of bracing piece 1, set up between two first swivel bearings 6 and run through lifting groove 3 and rack 4's rotary rod 7, and fixed setting is outside at rotary rod 7 and with rack 4 engaged with's rotating gear 8, wherein rotary rod 7 runs through bracing piece 1 and is connected with elevator motor 5's output shaft, power drive rotary rod 7 and rotating gear 8 through elevator motor 5 rotate, and then through rotating gear 8 and rack 4's meshing relation drive lifter 2 go up and down.

In this embodiment, all be provided with spacing groove 9 on two relative internal faces of bracing piece 1, all be provided with on two relative outer wall of lifter 2 with spacing groove 9 sliding connection's stopper 10, stopper 10 and lifter 2 are integrated into one piece to sliding connection through stopper 10 and spacing groove 9 makes the lift of lifter 2 more stable.

In this embodiment, the bidirectional traversing mechanism includes two second rotating bearings 13 fixedly mounted on the opposite inner wall surfaces of the traversing box 11, a rotating screw rod 14 disposed between the two second rotating bearings 13 and connected to the output shaft of the traversing motor 12, two traversing shafts 15 threadedly mounted on the outer portions of the rotating screw rod 14, and a transmission block 17 welded on the top of the traversing shaft 15 and connected to the traversing support bar 18, wherein the transmission block 17 penetrates through the traversing groove 16 and is connected to the traversing support bar 18, two sections of opposite thread grooves are disposed on the outer portions of the rotating screw rod 14, and the two traversing shafts 15 are threadedly mounted on the outer portions of the two sections of opposite thread grooves, so that the rotating screw rod 14 is rotated between the two second rotating bearings 13 by the power of the traversing motor 12, the two traversing shafts 15 are driven to traverse under the restriction of the transmission block 17 and the traversing groove 16, and the traversing toward the opposite or separated sides is realized under the influence of the two opposite thread grooves.

In this embodiment, the length of the traverse groove 16 is greater than the sum of the traverse lengths of the two lateral support bars 18.

The working principle of the above embodiment is as follows:

when the height is adjusted, the lifting motor 5 is started, the power of the lifting motor 5 drives the rotating rod 7 and the rotating gear 8 to rotate, and the meshing relation between the rotating gear 8 and the rack 4 drives the lifting rod 2 to lift, so that the supporting height is adjusted;

when the support width is adjusted, the traverse motor 12 is started, so that the rotary screw rod 14 rotates between the two second rotary bearings 13 through the power of the traverse motor 12, the two traverse shafts 15 are driven to perform traverse movement under the limitation of the transmission block 17 and the traverse movement groove 16, the traverse movement towards opposite sides or away sides is realized under the influence of the two opposite thread grooves, and the distance between the two support arc plates 19 is adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a colliery tunnelling supporting device, includes bracing piece (1), its characterized in that: the telescopic support device is characterized in that a lifting rod (2) is arranged in the support rod (1) in a telescopic mode, a lifting mechanism is arranged on the support rod (1) and used for controlling the lifting of the lifting rod (2), a transverse moving box (11) is arranged at the top of the lifting rod (2), a transverse moving motor (12) is arranged on the side face of the transverse moving box (11), a bidirectional transverse moving mechanism is arranged inside the transverse moving box (11) and connected with an output shaft of the transverse moving motor (12), a transverse moving groove (16) is formed in the top of the transverse moving box (11), the bidirectional transverse moving mechanism penetrates through the transverse moving groove (16) and is connected with two transverse support rods (18) of reverse transverse moving in a transmission mode, and a support arc plate (19) is arranged at one end, where the two transverse support rods (18) are separated from each other.

2. A coal mine tunnelling support device as defined in claim 1, in which: the lifting mechanism is characterized in that a rack (4) is arranged inside the lifting rod (2), lifting grooves (3) communicated with the rack (4) are formed in two opposite side wall surfaces of the lifting rod (2), and the lifting mechanism penetrates through the lifting grooves (3) and is in transmission connection with the rack (4).

3. A coal mine tunnelling support device as defined in claim 2, in which: the lifting mechanism comprises a lifting motor (5) arranged on the outer wall surface of the supporting rod (1), first rotating bearings (6) arranged on the inner wall surface of the supporting rod (1), a rotating rod (7) arranged between the two first rotating bearings (6) and penetrating through the lifting groove (3) and the rack (4), and a rotating gear (8) arranged outside the rotating rod (7) and meshed with the rack (4), wherein the rotating rod (7) penetrates through the supporting rod (1) and is connected with an output shaft of the lifting motor (5).

4. A coal mine tunnelling support device as defined in claim 3, in which: the two opposite inner wall surfaces of the support rod (1) are respectively provided with a limiting groove (9), and the two opposite outer wall surfaces of the lifting rod (2) are respectively provided with a limiting block (10) which is connected with the limiting grooves (9) in a sliding manner.

5. A coal mine tunnelling support device as defined in claim 1, in which: the bidirectional traversing mechanism comprises two second rotating bearings (13) arranged on the opposite inner wall surfaces of a traversing box (11), a rotating screw rod (14) arranged between the two second rotating bearings (13) and connected with an output shaft of a traversing motor (12), two traversing shafts (15) arranged outside the rotating screw rod (14) in a threaded manner, and a transmission block (17) arranged at the top of each traversing shaft (15) and connected with a transverse support rod (18), wherein two sections of opposite thread grooves are formed in the outer part of the rotating screw rod (14), and the two traversing shafts (15) are respectively arranged outside the two sections of opposite thread grooves in a threaded manner.

6. A coal mine tunnelling support device as defined in claim 5, wherein: the length of the transverse moving groove (16) is larger than the sum of the transverse moving lengths of the two transverse supporting rods (18).