CN212563299U

CN212563299U - Movable support bracket for coal mine excavation roadway

Info

Publication number: CN212563299U
Application number: CN202021055152.9U
Authority: CN
Inventors: 孔令亮; 李生伟; 华章; 徐宜岭; 胡勤建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-19
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a colliery tunnelling tunnel removes support, relates to coal mine production technical field, including arc and hydraulic stem, the below fixedly connected with of arc strengthens the post, and strengthens the below fixedly connected with diaphragm of post, the below fixedly connected with fixed block of diaphragm, and the below fixedly connected with bracing piece of fixed block, two below activities of hydraulic stem are connected with the bottom plate, and the hydraulic stem is located the below of bracing piece, the below fixedly connected with directive wheel of bottom plate, and the first sleeve of the equal fixedly connected with in the left and right sides of bottom plate, the inside swing joint of first sleeve has the double-screw bolt, and the left side fixedly connected with rocking handle of double-screw bolt. The utility model discloses, compare with current ordinary support, can be random at the in-process that uses remove the device, be convenient for to the transfer of device to realize level and vertical direction dual bearing structure, make its bearing capacity stronger, life is longer.

Description

Movable support bracket for coal mine excavation roadway

Technical Field

The utility model relates to a coal mine production technical field, concretely relates to colliery tunnelling removes support.

Background

The tunnel is a tunnel excavated for mining lifting, transportation, ventilation, drainage, power supply and the like during underground mining, the shape of the section of the tunnel is mostly arch, trapezoid or rectangle, surrounding rocks are soft and are round, oval or horseshoe, various tunnels and chambers excavated from the ground to the underground for mining coal are called tunnels, the operation method adopted for excavating the chambers of the tunnels is called tunnel excavation, the excavation is carried out by three procedures of blasting (rock falling), loading and supporting, also called blasting excavation method, and rock transportation is completely completed by an excavating machine and a rubber belt conveyor.

The prior patent (public number: CN210460722U) discloses a coal mine roadway mobile support bracket, which comprises a pair of unit brackets and a hydraulic cylinder arranged between the pair of unit brackets, wherein one unit bracket comprises a butt joint top beam, a pair of bearing beams and a plurality of telescopic upright columns, one unit bracket is set as a first unit bracket, the other unit bracket is set as a second unit bracket, the butt joint top beam of the first unit bracket is set as a first butt joint top beam, the bearing beams are set as first bearing beams, the butt joint top beam of the second unit bracket is set as a second butt joint top beam, the bearing beams are set as second bearing beams, the pair of first butt joint top beams are both positioned above at least one second bearing beam, and the pair of second butt joint top beams are both positioned above at least one first bearing beam. The following problems in the prior art are found in the process of realizing the scheme, and the problems are not well solved: 1. the device supporting plane is the horizontal plane, can not satisfy current most arc tunnel to do not possess the function of removal, can't be simple convenient shift the device, 2, the device bearing capacity is relatively poor when supporting, can't realize dual support in horizontal direction and the vertical direction in addition, cause the damage of device very easily, can not be fine satisfies people's user demand, to above-mentioned condition, carries out technical innovation on current concrete placement equipment basis.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: 1. the device supporting plane is the horizontal plane, can not satisfy current most arc tunnel to do not possess the function of removal, can't be simple convenient shift the device, 2, the device bearing capacity is relatively poor in the support, can't realize the dual support in horizontal direction and the vertical direction in addition, cause the damage of device very easily, and the colliery tunnelling tunnel that provides removes and struts the support.

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

a movable supporting bracket for a coal mine tunneling roadway comprises an arc plate and a hydraulic rod, wherein a reinforcing column is fixedly connected below the arc plate, a transverse plate is fixedly connected below the reinforcing column, a fixing block is fixedly connected below the transverse plate, a supporting rod is fixedly connected below the fixing block, a bottom plate is movably connected below the hydraulic rod, the hydraulic rod is positioned below the supporting rod, a steering wheel is fixedly connected below the bottom plate, a first sleeve is fixedly connected to the left side and the right side of the bottom plate, a stud is movably connected inside the first sleeve, a rocking handle is fixedly connected to the left side of the stud, a mounting plate is fixedly connected below the stud, a reserved hole is formed inside the mounting plate, supporting columns are arranged on the left side and the right side of the supporting rod, inserting holes are formed above the supporting columns, and inserting blocks are movably connected inside the inserting holes, and the left and right sides of inserted block all is provided with the bolt, the inside fixedly connected with reflective membrane of support column, and the right side of reflective membrane is provided with first screw rod, the right side swing joint of first screw rod has the second sleeve, and the right side swing joint of second sleeve has the second screw rod.

Further, the arc passes through to constitute detachable construction between bolt and the support column, and the arc sets up to the arc column structure.

Furthermore, the reinforcing columns are welded with the transverse plates and are distributed below the arc-shaped plates at equal intervals.

Furthermore, the hydraulic rod forms an integrated structure through the support rod and the fixing block, and the central axis of the hydraulic rod coincides with the central axis of the support rod.

Furthermore, the connection mode between directive wheel and the bottom plate is the welding, and the directive wheel is the symmetrical form and distributes in the bottom left and right sides of bottom plate.

Furthermore, the insertion block is connected with the jack in an insertion mode, and the external size of the insertion block is matched with the internal size of the jack.

Furthermore, the reflective film is connected with the support column in an adhesion mode, and the outer wall of the reflective film is tightly attached to the front end surface of the support column.

Furthermore, threaded connection is adopted between the second sleeve and the first screw rod, and the horizontal line of the first screw rod is vertical to the right side surface of the supporting column.

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

(1) the utility model discloses an arc, enhancement post, diaphragm and support column, the arc can accord with the shape of tunnel more, can directly increase the area of contact with between the tunnel, and the enhancement post can play the supporting role to the tunnel simultaneously to can in time evenly transmit the extrusion force that the tunnel produced;

(2) the utility model discloses a fixed block, bracing piece, hydraulic stem, bottom plate and directive wheel for can guarantee the straightness that hangs down of hydraulic stem and bracing piece, and the hydraulic stem can support and cushion the extrusion force that the enhancement post brought, and the directive wheel can carry out arbitrary removal to the device simultaneously, is convenient for to the transfer of device, has improved the flexibility of device;

(3) the utility model discloses a jack, inserted block, reflective membrane, first screw rod and second sleeve, the cooperation of inserted block and jack can change the height of arc, can adapt to different tunnel heights on the one hand, and on the other hand can be adjusted the arc according to the in service behavior of device, makes it contact with the tunnel all the time to the reflective membrane has reflection of light characteristic, can remind personnel on every side, and first screw rod and second screw rod can carry out the ascending support of horizontal direction to the tunnel simultaneously, make it more firm.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

The list of components represented by the various reference numbers in the figures is as follows: 1-an arc-shaped plate; 2-reinforcing columns; 3-a transverse plate; 4, fixing blocks; 5-a support rod; 6-hydraulic rod; 7-a bottom plate; 8-a steering wheel; 9-a first sleeve; 10-a stud; 11-a rocking handle; 12-a mounting plate; 13-preparing holes; 14-a support column; 15-a jack; 16-an insert block; 17-a bolt; 18-a light-reflective film; 19-a first screw; 20-a second sleeve; 21-second screw.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a movable support bracket for a coal mine excavation roadway comprises an arc-shaped plate 1 and a hydraulic rod 6, wherein a reinforcing column 2 is fixedly connected below the arc-shaped plate 1, a transverse plate 3 is fixedly connected below the reinforcing column 2, the arc-shaped plate 1 forms a detachable structure with a supporting column 14 through a bolt 17, the arc-shaped plate 1 is arranged to be of an arc-shaped structure, the arc-shaped plate 1 can better conform to the shape of the roadway and can directly increase the contact area with the roadway, the reinforcing column 2 is welded with the transverse plate 3, the reinforcing column 2 is distributed below the arc-shaped plate 1 in an equidistant mode, and meanwhile, the reinforcing column 2 can support the roadway and can timely and uniformly transmit extrusion force generated by the roadway;

a fixed block 4 is fixedly connected below the transverse plate 3, a support rod 5 is fixedly connected below the fixed block 4, a bottom plate 7 is movably connected below the hydraulic rod 6, the hydraulic rod 6 is positioned below the support rod 5, the hydraulic rod 6 forms an integrated structure through the support rod 5 and the fixed block 4, the central axis of the hydraulic rod 6 and the central axis of the support rod 5 are overlapped so as to ensure the verticality of the hydraulic rod 6 and the support rod 5, the hydraulic rod 6 can support and buffer the extrusion force brought by the reinforcement column 2, a steering wheel 8 is fixedly connected below the bottom plate 7, a first sleeve 9 is fixedly connected on the left side and the right side of the bottom plate 7, the steering wheel 8 and the bottom plate 7 are connected in a welding mode, the steering wheel 8 is symmetrically distributed on the left side and the right side of the bottom plate 7, and the steering wheel 8 can move the device arbitrarily, the device is convenient to transfer, and the flexibility of the device is improved;

the inner part of the first sleeve 9 is movably connected with a stud 10, the left side of the stud 10 is fixedly connected with a rocking handle 11, the lower part of the stud 10 is fixedly connected with a mounting plate 12, a reserved hole 13 is formed in the mounting plate 12, supporting columns 14 are arranged on the left side and the right side of the supporting rod 5, a jack 15 is arranged above the supporting column 14, an inserting block 16 is movably connected in the jack 15, bolts 17 are arranged on the left side and the right side of the inserting block 16, the inserting block 16 is connected with the jack 15 in an inserting mode, the outer size of the inserting block 16 is matched with the inner size of the jack 15, the inserting block 16 is matched with the jack 15, the height of the arc-shaped plate 1 can be changed, on one hand, different roadway heights can be adapted, on the other hand, the arc-shaped plate 1 can be adjusted according to the using condition of the device;

the inside fixedly connected with reflective membrane 18 of support column 14, and the right side of reflective membrane 18 is provided with first screw rod 19, the connected mode between reflective membrane 18 and the support column 14 is the bonding, and be closely laminated between the outer wall of reflective membrane 18 and the front end surface of support column 14, and reflective membrane 18 has reflection of light characteristic, can remind personnel on every side, the right side swing joint of first screw rod 19 has second sleeve 20, and the right side swing joint of second sleeve 20 has second screw rod 21, be threaded connection between second sleeve 20 and the first screw rod 19, and it is perpendicular mutually between the level line of first screw rod 19 and the right side surface of support column 14, first screw rod 19 and second screw rod 21 can carry out ascending support in the horizontal direction to the tunnel simultaneously, make it more firm.

In the utility model, when a user uses the device, firstly, the user pushes the steering wheel 8 to move the device to a use area, then the rocking handle 11 is adjusted, the rocking handle 11 drives the stud 10 to do a screw motion in the first sleeve 9 to drive the stud 10 to rotate, the stud 10 drives the mounting plate 12 to contact with the ground, the user fixes the device in the use area through the reserved hole 13, secondly, the hydraulic rod 6 (model: DFPY-100) is started, the hydraulic rod 6 drives the supporting column 14 to move, the supporting column 14 pushes the fixing block 4, the fixing block 4 pushes the transverse plate 3 to move, the transverse plate 3 drives the reinforcing column 2 to lift the arc plate 1, the inserting block 16 is separated from the inserting hole 15 in the lifting process, when the arc plate 1 contacts a roadway, the bolt 17 is screwed to fix the arc plate, then the second sleeve 20 is rotated, the second sleeve 20 moves towards the left side and the right side under the action of the first screw rod 19 and the second, the left side and the right side are supported, the reflective film 18 arranged on the support columns 14 has the reflective characteristic, surrounding personnel can be reminded of avoiding at any time, and the safety of the device is improved, namely the working principle of the movable support bracket for the coal mine excavation roadway.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A movable supporting bracket for a coal mine tunneling roadway comprises an arc plate (1) and a hydraulic rod (6), and is characterized in that a reinforcing column (2) is fixedly connected below the arc plate (1), a transverse plate (3) is fixedly connected below the reinforcing column (2), a fixed block (4) is fixedly connected below the transverse plate (3), a supporting rod (5) is fixedly connected below the fixed block (4), a bottom plate (7) is movably connected below the hydraulic rod (6), the hydraulic rod (6) is positioned below the supporting rod (5), a steering wheel (8) is fixedly connected below the bottom plate (7), first sleeves (9) are fixedly connected to the left side and the right side of the bottom plate (7), a stud (10) is movably connected inside the first sleeve (9), and a rocking handle (11) is fixedly connected to the left side of the stud (10), the utility model discloses a double-screw bolt, including the below fixedly connected with mounting panel (12) of double-screw bolt (10), and the inside of mounting panel (12) is provided with preformed hole (13), the left and right sides of bracing piece (5) all is provided with support column (14), and the top of support column (14) is provided with jack (15), the inside swing joint of jack (15) has inserted block (16), and the left and right sides of inserted block (16) all is provided with bolt (17), the inside fixedly connected with reflective membrane (18) of support column (14), and the right side of reflective membrane (18) is provided with first screw rod (19), the right side swing joint of first screw rod (19) has second sleeve (20), and the right side swing joint of second sleeve (20) has second screw rod (21).

2. The movable support bracket for the coal mine excavation roadway according to claim 1, characterized in that the arc-shaped plates (1) and the supporting columns (14) form a detachable structure through bolts (17), and the arc-shaped plates (1) are arranged into an arc-shaped structure.

3. The movable support bracket for the coal mine excavation roadway according to claim 1, characterized in that the reinforcing columns (2) are welded with the transverse plate (3), and the reinforcing columns (2) are equidistantly distributed below the arc-shaped plate (1).

4. The movable support bracket for the coal mine excavation roadway according to claim 1, wherein the hydraulic rod (6) and the fixed block (4) form an integrated structure through the support rod (5), and the central axis of the hydraulic rod (6) and the central axis of the support rod (5) are overlapped.

5. The movable support bracket for the coal mine excavation roadway according to claim 1, wherein the connection mode between the steering wheels (8) and the bottom plate (7) is welding, and the steering wheels (8) are symmetrically distributed on the left side and the right side of the bottom plate (7).

6. The movable support bracket for the coal mine excavation roadway according to claim 1, wherein the insertion blocks (16) are connected with the insertion holes (15) in an insertion mode, and the outer dimensions of the insertion blocks (16) are matched with the inner dimensions of the insertion holes (15).

7. The movable support bracket for the coal mine excavation roadway according to claim 1, wherein the reflective film (18) and the supporting columns (14) are connected in a bonding mode, and the outer wall of the reflective film (18) is tightly attached to the front end surfaces of the supporting columns (14).

8. The movable support bracket for the coal mine excavation roadway according to claim 1, characterized in that the second sleeve (20) is in threaded connection with the first screw rod (19), and the horizontal line of the first screw rod (19) is perpendicular to the right side surface of the supporting column (14).