CN217028975U

CN217028975U - Be used for coal mine tunnel supporting device

Info

Publication number: CN217028975U
Application number: CN202123327682.1U
Authority: CN
Inventors: 赵春波; 王向军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-22
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to a coal mine roadway supporting device which comprises an installation box and a supporting column arranged at the top of the installation box, wherein two limiting grooves are formed in the inner wall of the installation box, limiting blocks are connected in the two limiting grooves in a sliding mode, supporting rods are connected to the ends, far away from the sliding grooves, of the two limiting blocks, the two supporting rods are respectively inserted into the opposite side walls of the installation box in an inserting mode, racks are installed on the opposite side walls of the two supporting rods, a driving assembly is installed inside the installation box, and the two racks are connected with the driving assembly. This be used for coal mine tunnel supporting device, through having set up bracing piece, gear, rack, pivot, bearing to and the motor, make supporting device reach the effect of automatic support coal mine tunnel lateral wall, through having set up threaded rod, screw hole to and support the awl, make supporting device reach the effect of outrigger.

Description

Be used for colliery tunnel supporting device

Technical Field

The utility model relates to the technical field of coal mine roadway supporting devices, in particular to a coal mine roadway supporting device.

Background

The coal mine in China is mainly underground mining, a large number of roadways need to be excavated underground, roadway support is adopted to keep the roadways smooth and surrounding rocks stable, the important significance is provided for coal mine construction and production, the basic purpose of supporting the roadways is to alleviate and reduce the movement of the surrounding rocks, the section of the roadway is not excessively reduced, and meanwhile, the scattered and damaged surrounding rocks are prevented from falling off.

In the prior art, when a roadway is supported, a supporting net is mostly adopted for supporting, the structure of the supporting net is not very stable, potential safety hazards are easy to generate, and the device needs to be removed after operation is finished.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a coal mine roadway supporting device, which has the advantages of automatically supporting the side wall of the roadway, reinforcing the supporting device and the like, and solves the problem that the coal mine roadway supporting device cannot automatically support the side wall of the roadway and reinforce the supporting device.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for coal mine tunnel supporting device, includes the install bin to and set up the support column at install bin top, be provided with two spacing grooves on the inner wall of install bin, two equal sliding connection in the spacing groove have the stopper, and one of spout is kept away from to two stoppers is served and all is connected with the bracing piece, and wherein two bracing pieces are pegged graft respectively on the relative lateral wall of install bin, all install the rack on the relative lateral wall of two bracing pieces, the internally mounted of install bin has drive assembly, and two racks all are connected with drive assembly.

Further, the driving assembly comprises two bearings arranged on the inner wall of the installation box, a rotating shaft arranged between the two bearings, a gear arranged on the rotating shaft and a motor arranged on the outer wall of the installation box, an output shaft of the motor is connected with the rotating shaft, and the top and the bottom of the gear are respectively meshed with the two racks.

Further, shock-absorbing component is all installed to one end that the install bin was kept away from to two bracing pieces, and shock-absorbing component is including setting up the damping spring on the bracing piece lateral wall to and the backup pad that is connected with damping spring, and wherein shock-absorbing component is also installed at the top of support column.

Further, the base is installed to the bottom of install bin, and the universal wheel is installed to the bottom of base, wherein installs supporting component on the base, and supporting component is connected with ground.

Furthermore, the supporting component comprises a threaded hole formed in the base, a threaded rod connected with the threaded hole in a threaded mode, and a supporting cone installed at the bottom of the threaded rod, and the bottom of the supporting cone is connected with the ground.

Further, install the fixed plate on the base, install elastic spring on the lateral wall of fixed plate, elastic spring internally mounted has the gag lever post, and wherein, the one end and the threaded rod friction joint of gag lever post, the other end and fixed plate swing joint.

(III) advantageous effects

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

this be used for coal mine tunnel supporting device, through having set up bracing piece, gear, rack, pivot, bearing to and the motor, make supporting device reach the effect of automatic support coal mine tunnel lateral wall, through having set up threaded rod, screw hole to and support the awl, make supporting device reach the effect of stabilizing the support.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a side cross-sectional schematic view of the structural mounting case of the present invention;

FIG. 3 is a partially enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 4 is a partially enlarged view of the portion B shown in FIG. 1 according to the present invention.

In the figure: the device comprises an installation box 1, a limiting groove 2, a supporting rod 3, a rack 4, a supporting column 5, a damping spring 6, a supporting plate 7, a bearing 8, a gear 9, a rotating shaft 10, a motor 11, a limiting block 12, a universal wheel 13, a threaded hole 14, a threaded rod 15, a fixing plate 16, an elastic spring 17, a limiting rod 18, a supporting cone 19 and a base 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the supporting device for a coal mine roadway in the embodiment includes an installation box 1, and a supporting column 5 disposed on the top of the installation box 1, wherein the supporting column 5 is used for supporting the top of the coal mine roadway, the inner wall of the installation box 1 is provided with two limiting grooves 2, the two limiting grooves 2 are respectively disposed on the side wall of the installation box 1 in parallel from top to bottom, the openings of the two limiting grooves 2 are opposite, the two limiting grooves 2 are slidably connected with limiting blocks 12, the two limiting blocks 12 are connected with the two limiting grooves 2 through the openings, one ends of the two limiting blocks 12 away from the sliding grooves 2 are fixedly mounted with supporting rods 3, wherein the two supporting rods 3 are respectively inserted into the opposite side walls of the installation box 1, so that the supporting device can achieve the effect of supporting the side wall of the coal mine roadway by moving the two supporting rods 3 to the outside of the installation box 1, all install rack 4 on the relative lateral wall of two bracing pieces 3, the internally mounted of install bin 1 has drive assembly, and two racks 4 all are connected with drive assembly to can make two bracing pieces 3 relative movement simultaneously through drive assembly, be connected with the both sides in colliery tunnel respectively until making two bracing pieces 3, and then reach the effect of automatic support colliery tunnel lateral wall.

In this embodiment, the driving assembly includes two bearings 8 disposed on the opposite inner walls of the installation box 1, a rotating shaft 10 disposed between the two bearings 8, a gear 9 disposed on the rotating shaft 10, and a motor 11 disposed on the outer wall of the installation box 1, an output shaft of the motor 11 is connected to the rotating shaft 10, wherein the top and the bottom of the gear 9 are respectively engaged with the two racks 4, two ends of the rotating shaft 10 are respectively fixedly connected to the inner walls of the two bearings 8, so that the rotating shaft 10 and the gear 9 can rotate between the two bearings 8, and an output end of the motor 11 is fixedly connected to one end of the rotating shaft 10, so that the rotating shaft 10 and the gear 9 can rotate by being driven by the motor 11, and further the racks 4 and the two support rods 3 can move.

In this embodiment, two bracing pieces 3 keep away from one end of install damper on the install bin 1, damper is including setting up damping spring 6 on the bracing piece 3 lateral wall, and the backup pad 7 that is connected with damping spring 6, wherein damping assembly is also installed at the top of support column 5, wherein damping spring 6's both ends respectively with the lateral wall fixed connection of bracing piece 3 and backup pad 7, thereby make bracing piece 3 when moving the lateral wall department in coal mine tunnel, make bracing piece 3 and coal mine tunnel have certain buffering, thereby reach the effect of protection coal mine tunnel lateral wall and supporting device.

In this embodiment, base 20 is installed to the bottom of install bin 1, and universal wheel 13 is installed to the bottom of base 20, wherein installs the supporting component on the base 20, and the supporting component is connected with ground, through having set up universal wheel 13, makes supporting device's removal more convenient, through having set up the supporting component, makes supporting device reach the effect of stable support coal mine tunnel.

In this embodiment, the supporting component includes a threaded hole 14 formed in the base 20, a threaded rod 15 in threaded connection with the threaded hole 14, and a supporting cone 19 installed at the bottom of the threaded rod 15, and the bottom of the supporting cone 19 is connected with the ground, so that the threaded rod 15 can be rotated to lower the heights of the threaded rod 15 and the supporting cone 19 until the bottom of the supporting cone 19 is stably connected with the ground, thereby achieving the supporting effect on the supporting device.

In this embodiment, the fixing plate 16 is installed on the base 20, the elastic spring 17 is installed on the side wall of the fixing plate 16, the limiting rod 18 is installed inside the elastic spring 17, wherein one end of the limiting rod 18 is in friction connection with the threaded rod 15, the other end of the limiting rod is movably connected with the fixing plate 16, two ends of the elastic spring 17 are respectively in fixed connection with the side wall of the fixing plate 16 and the side wall of the limiting rod 18, so that the limiting rod 18 is in friction connection with the threaded rod 15 through the elastic force of the elastic spring 17, the effect of limiting the position of the threaded rod 15 is achieved, after the supporting cone 19 is prevented from contacting the ground, the height of the position of the supporting cone 19 rises due to the rotation of the threaded rod 15, and the supporting effect is influenced.

The working principle of the embodiment is as follows:

the limiting rod 18 is pulled to separate the limiting rod 18 from the threaded rod 15, then the threaded rod 15 is rotated to enable the supporting cone 19 to be stably connected with the ground, then the motor 11 is started to enable the two supporting rods 3 to move away from each other respectively until the two supporting rods 3 are stably connected with the side wall of the coal mine roadway respectively, and the supporting effect on the coal mine roadway can be achieved.

It should be noted that, in this document, 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. 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 phrase "comprising an … …" does not exclude the presence of other identical elements in the 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for coal mine tunnel supporting device, includes install bin (1) to and support column (5) of setting at install bin (1) top, its characterized in that: be provided with two spacing grooves (2) on the inner wall of install bin (1), equal sliding connection has stopper (12) in two spacing grooves (2), and two stopper (12) are kept away from one of spacing groove (2) and are served and all be connected with bracing piece (3), and wherein peg graft respectively on the relative lateral wall of install bin (1) two bracing pieces (3), all install rack (4) on the relative lateral wall of two bracing pieces (3), the internally mounted of install bin (1) has drive assembly, and two rack (4) all are connected with drive assembly.

2. A support device for a coal mine roadway as claimed in claim 1, wherein: the driving assembly comprises two bearings (8) arranged on the inner wall opposite to the mounting box (1), a rotating shaft (10) arranged between the two bearings (8), a gear (9) arranged on the rotating shaft (10), and a motor (11) arranged on the outer wall of the mounting box (1), wherein an output shaft of the motor (11) is connected with the rotating shaft (10), and the top and the bottom of the gear (9) are respectively meshed with the two racks (4).

3. A coal mine roadway support apparatus as claimed in claim 1, wherein: one of two bracing pieces (3) keep away from install mounting box (1) serves and all installs damper, damper including setting up damping spring (6) on bracing piece (3) lateral wall to and backup pad (7) that are connected with damping spring (6), wherein damper is also installed at the top of support column (5).

4. A support device for a coal mine roadway as claimed in claim 1, wherein: base (20) are installed to the bottom of install bin (1), and universal wheel (13) are installed to the bottom of base (20), wherein install supporting component on base (20), and supporting component is connected with ground.

5. A coal mine roadway support device as claimed in claim 4, wherein: the supporting component comprises a threaded hole (14) formed in the base (20), a threaded rod (15) in threaded connection with the threaded hole (14), and a supporting cone (19) installed at the bottom of the threaded rod (15), and the bottom of the supporting cone (19) is connected with the ground.

6. A coal mine roadway support device as claimed in claim 5, wherein: the fixing device is characterized in that a fixing plate (16) is installed on the base (20), an elastic spring (17) is installed on the side wall of the fixing plate (16), a limiting rod (18) is installed inside the elastic spring (17), one end of the limiting rod (18) is in friction connection with the threaded rod (15), and the other end of the limiting rod is movably connected with the fixing plate (16).