CN212479283U

CN212479283U - Pillar recovery device for coal mine advance support

Info

Publication number: CN212479283U
Application number: CN202021144137.1U
Authority: CN
Inventors: 幸安立; 郝宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-05
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a pillar recovery unit that colliery advance support used, including main part mechanism, adjustment mechanism, fixed establishment, installation piece, connecting rod, rubber pad, splint, exhaust hole, gasbag, pressure spring and actuating mechanism. The utility model has the advantages that: the installation block is fixed on the adjusting mechanism, the connecting rod rotates inside the installation block, the clamping plate is fixed at one end of the connecting rod, the air bag is installed on the inner wall of the clamping plate and is communicated with an exhaust hole formed in the top end of the clamping plate, the rubber pad is bonded on the side wall of the air bag, the pressure spring is fixed on the inner wall of the air bag, the other end of the connecting rod is fixed with the driving mechanism, the rotating driving mechanism drives the connecting rod to rotate, the support is clamped when the two clamping plates rotate, the pressure spring deforms when the air bag is extruded, the support is further fixed by the clamping plate more firmly, meanwhile, the; the adjusting mechanism rotates, the mounting block slides, the supporting column is convenient to pull out from the soil layer, and the working efficiency of operators is improved.

Description

Pillar recovery device for coal mine advance support

Technical Field

The utility model relates to a recovery unit specifically is a pillar recovery unit of colliery advance support usefulness belongs to colliery construction technical field.

Background

The advance support is one of auxiliary measures which are adopted to ensure the stability of the excavation working face of the tunnel engineering and are advanced to the excavation of the tunnel face. When the tunnel passes through the weak and broken surrounding rocks, the excavation disturbance can cause larger surrounding rock deformation. If the primary support is not performed in time, the deformation of the surrounding rock may exceed the allowable range, and in severe cases, the tunnel face is unstable, the tunnel collapses, and great economic loss is caused. The method mainly comprises a pipe shed, a small conduit, a horizontal jet grouting pile and the like.

However, since the support is fixed in the soil layer for a long time, the support may not be quickly taken out by an operator if only two hands are used for detaching the support, which is not favorable for improving the working efficiency of the operator; in addition, the conventional pillar clamping tool is single in size setting, and may not be suitable for pillars of various sizes at one time, so that the use efficiency of the pillar recovery device is not improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a colliery advance support pillar recovery unit who uses just for solving above-mentioned problem, the flexible operation, the centre gripping pillar of being convenient for through splint turned angle's change, and then is convenient for carry out the centre gripping to not unidimensional pillar to be favorable to improving recovery unit's availability factor.

The utility model achieves the above purpose through the following technical proposal, and provides a pillar recovery device for the advance support of a coal mine, which comprises a main body mechanism, the interior of the main body mechanism is connected with an adjusting mechanism in a sliding way, the adjusting mechanism is connected with the fixing mechanism, the fixing mechanism comprises an installation block, a connecting rod, a rubber pad, a clamping plate, an exhaust hole, an air bag and a pressure spring, the mounting block is fixedly connected with the adjusting mechanism, the two connecting rods are symmetrically and rotatably connected inside the mounting block, the splint is fixedly arranged at one end of the connecting rod, the air bag is arranged on the inner wall of the splint and is communicated with a plurality of exhaust holes arranged at the top end of the splint, the rubber pad is bonded to the side wall of the air bag, the pressure spring is fixedly mounted on the inner wall of the air bag, and the other end of the connecting rod is fixedly connected with the driving mechanism.

Preferably, in order to prevent the base from blocking the pillar, the main body mechanism includes a fixing plate and a base, the fixing plate is fixedly installed at the top end of the base, and the base is of a U-shaped structure.

Preferably, in order to facilitate the movement of the recovery device, the main mechanism further comprises a handle and universal wheels, the handle is fixedly connected to the side wall of the fixing plate deviating from the mounting block, and four universal wheels are symmetrically mounted at the bottom end of the base in a group of two-by-two mode.

Preferably, in order to facilitate the rotation of the first screw rod, the adjusting mechanism includes a motor and the first screw rod, the motor is fixedly mounted at the top end of the fixing plate, and the top end of the first screw rod is fixedly connected to the motor.

Preferably, in order to facilitate driving the bracket to slide, the adjusting mechanism further comprises a bracket and a first sliding groove, the first screw rod is rotatably connected to the first sliding groove portion arranged inside the fixing plate, and the bracket is in threaded connection with the side wall of the first screw rod and slides inside the fixing plate.

Preferably, in order to facilitate the sliding of the rack, the driving mechanism includes a second screw rod, a second chute and a rack, one end of the second screw rod penetrates through the side wall of the mounting block and is rotatably connected to the inside of the mounting block, the two racks symmetrically slide on the second chute part arranged inside the mounting block, the racks are in threaded connection with the side wall of the second screw rod, and the thread rotating directions of the two ends of the second screw rod are opposite.

Preferably, in order to enable the rotating shaft to drive the connecting rod to rotate, the driving mechanism further comprises a gear and a rotating shaft, the rack is meshed with the gear, the gear is rotatably connected to the second sliding groove, one end of the rotating shaft is fixedly connected to the inner wall of the gear, and the other end of the rotating shaft is fixedly connected with the other end of the connecting rod.

The utility model has the advantages that: the installation block is fixedly connected with the adjusting mechanism, the two connecting rods are symmetrically and rotatably connected inside the installation block, the clamping plate is fixedly installed at one end of each connecting rod, the air bag is installed on the inner wall of each clamping plate and is communicated with a plurality of exhaust holes formed in the top end of each clamping plate, the rubber pad is bonded to the side wall of the air bag, the pressure spring is fixedly installed on the inner wall of the air bag, the other end of each connecting rod is fixedly connected with the driving mechanism, the driving mechanism is rotated to drive the connecting rods to rotate, the two clamping plates clamp the support columns when rotating in opposite directions, the pressure spring deforms when the air bag is extruded, the support columns are further fixed by the clamping plates more firmly, meanwhile, the device is convenient to; the adjusting mechanism rotates, the mounting block slides, and then the supporting column is conveniently pulled out of the soil layer, so that the working efficiency of operators is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the main body mechanism and the driving mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the securing mechanism shown in FIG. 1;

fig. 4 is a schematic view of a connection structure of the main body mechanism and the adjustment mechanism shown in fig. 1.

In the figure: 1. the main body mechanism, 11, a handle, 12, a fixing plate, 13, a base, 14, a universal wheel, 2, an adjusting mechanism, 21, a motor, 22, a first screw rod, 23, a support, 24, a first chute, 3, a driving mechanism, 31, a second screw rod, 32, a second chute, 33, a rack, 34, a gear, 35, a rotating shaft, 4, a fixing mechanism, 41, an installation block, 42, a connecting rod, 43, a rubber pad, 44, a clamping plate, 45, an exhaust hole, 46, an air bag, 47 and a pressure spring.

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, a coal mine advance support prop recovery device comprises a main body mechanism 1, the inner part of the main body mechanism 1 is connected with an adjusting mechanism 2 in a sliding way, the adjusting mechanism 2 is connected with a fixing mechanism 4, the fixing mechanism 4 comprises a mounting block 41, a connecting rod 42, a rubber pad 43, a clamping plate 44, an exhaust hole 45, an air bag 46 and a pressure spring 47, the mounting block 41 is fixedly connected with the adjusting mechanism 2, the two connecting rods 42 are symmetrically and rotatably connected with the inside of the mounting block 41, the clamping plate 44 is fixedly arranged at one end of the connecting rod 42, the air bag 46 is arranged on the inner wall of the clamping plate 44 and is communicated with a plurality of exhaust holes 45 arranged at the top end of the clamping plate 44, the rubber pad 43 is adhered to the side wall of the air bag 46, the pressure spring 47 is fixedly mounted on the inner wall of the air bag 46, and the other end of the connecting rod 42 is fixedly connected with the driving mechanism 3.

As a technical optimization scheme of the utility model, main part mechanism 1 includes fixed plate 12 and base 13, fixed plate 12 fixed mounting in the top of base 13, just base 13 is the U-shaped structure.

As a technical optimization scheme of the utility model, main body mechanism 1 still includes handle 11 and universal wheel 14, handle 11 fixed connection in fixed plate 12 deviates from the lateral wall of installation piece 41, four two liang of a set of symmetry of universal wheel 14 install in the bottom of base 13.

As a technical optimization scheme of the utility model, adjustment mechanism 2 includes motor 21 and first screw rod 22, motor 21 fixed mounting in the top of fixed plate 12, the top fixed connection of first screw rod 22 in motor 21.

As a technical optimization scheme of the utility model, adjustment mechanism 2 still includes support 23 and first spout 24, first screw rod 22 rotate connect in fixed plate 12 is inside to be equipped with first spout 24 position, support 23 threaded connection in first screw rod 22's lateral wall and slide in the inside of fixed plate 12.

As a technical optimization scheme of the utility model, actuating mechanism 3 includes second screw rod 31, second spout 32 and rack 33, the one end of second screw rod 31 is run through the lateral wall of installation piece 41 and rotate connect in the inside of installation piece 41, two rack 33 symmetries slide in the inside second spout 32 position that is equipped with of installation piece 41, rack 33 threaded connection in the lateral wall of second screw rod 31, just the screw thread rotation opposite direction at second screw rod 31 both ends.

As a technical optimization scheme of the utility model, actuating mechanism 3 still includes gear 34 and pivot 35, rack 33 meshes in gear 34, gear 34 rotate connect in second spout 32 position, the one end fixed connection of pivot 35 in gear 34's inner wall and the other end with connecting rod 42's other end fixed connection.

When the utility model is used, firstly, an operator holds the handle with hands to move the recovery device to the position near the strut to be disassembled, then the trolley is moved to clamp the strut on the side walls of the two clamping plates 44, the operator rotates the second screw 31 by using a tool, the second screw 31 penetrates and is connected with the side wall of the rack 33 in a threaded manner, the rack 33 slides in the mounting block 41, the rotating directions of the threads at the two ends of the second screw 31 are opposite, the rack 33 is meshed with the gear 34, one end of the rotating shaft 35 is fixedly connected with the gear 34, the other end of the rotating shaft is fixedly connected with the connecting rod 42, the connecting rod 42 is fixedly connected with the clamping plates 44, the clamping plates 44 are of an arc structure, the air bag 46 arranged in the clamping plates 44 is communicated with a plurality of exhaust holes 45 arranged on the top plate of the clamping plates 44, the rubber pad 43 is adhered to the outer side wall of, the gear 34 drives the rotating shaft 35 to rotate, so that the connecting rod 42 drives the clamping plates 44 to clamp the strut, when the distance between the two clamping plates 44 is smaller, the strut extrudes the air bag 46 arranged in the clamping plates 44, the pressure spring 47 is extruded and deformed, the friction force between the strut and the clamping plates 44 is increased, and the strut is fixed more firmly, so that the clamping plates 44 can be suitable for struts with different sizes, and the use efficiency of the recovery device is improved; the fixing of the pillars such as the operating personnel is firm, then the external power supply of the motor 21 is turned on, the motor 21 is installed at the top end of the fixing plate 12 and is fixedly connected with the first screw 22, the first screw 22 rotates at the position of the first chute 24 arranged on the inner wall of the fixing plate 12, the first screw 22 penetrates through and is in threaded connection with the inner wall of the bracket 23, the bracket 23 slides inside the fixing plate 12 and is fixedly connected with the side wall of the mounting block 41, when the motor 21 operates, the first screw 22 rotates to enable the bracket 23 to slide inside the fixing plate 12, and further enable the bracket 23 to drive the mounting block 41 to slide, and further enable the clamped pillars to be pulled out of the soil layer, so that the operation steps of detaching the pillars by the operating personnel are reduced, and the working efficiency; after the support is pulled out, the operator pushes the device to move the support.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pillar recovery unit that colliery advance support used, includes main part mechanism (1), its characterized in that: the inner sliding connection of the main body mechanism (1) is provided with an adjusting mechanism (2), the adjusting mechanism (2) is connected to a fixing mechanism (4), the fixing mechanism (4) comprises an installation block (41), connecting rods (42), rubber pads (43), a clamping plate (44), exhaust holes (45), an air bag (46) and a pressure spring (47), the installation block (41) is fixedly connected with the adjusting mechanism (2), the two connecting rods (42) are symmetrically and rotatably connected to the inside of the installation block (41), the clamping plate (44) is fixedly installed at one end of the connecting rod (42), the air bag (46) is installed on the inner wall of the clamping plate (44) and communicated with the exhaust holes (45) arranged at the top end of the clamping plate (44), the rubber pads (43) are bonded to the side wall of the air bag (46), and the pressure spring (47) is fixedly installed on the inner wall of the air bag (46), the other end of the connecting rod (42) is fixedly connected with the driving mechanism (3).

2. The coal mine forepoling pillar recovery device according to claim 1, wherein: the main body mechanism (1) comprises a fixing plate (12) and a base (13), the fixing plate (12) is fixedly installed at the top end of the base (13), and the base (13) is of a U-shaped structure.

3. The coal mine forepoling pillar recovery device according to claim 2, wherein: main part mechanism (1) still includes handle (11) and universal wheel (14), handle (11) fixed connection in fixed plate (12) deviate from the lateral wall of installation piece (41), four two double-phase a set of symmetry of universal wheel (14) install in the bottom of base (13).

4. The coal mine forepoling pillar recovery device according to claim 3, wherein: the adjusting mechanism (2) comprises a motor (21) and a first screw rod (22), the motor (21) is fixedly installed at the top end of the fixing plate (12), and the top end of the first screw rod (22) is fixedly connected to the motor (21).

5. The coal mine forepoling pillar recovery device according to claim 4, wherein: the adjusting mechanism (2) further comprises a support (23) and a first sliding groove (24), the first screw rod (22) is rotatably connected to the position, inside the fixing plate (12), of the first sliding groove (24), and the support (23) is in threaded connection with the side wall of the first screw rod (22) and slides inside the fixing plate (12).

6. The coal mine forepoling pillar recovery device according to claim 2, wherein: actuating mechanism (3) include second screw rod (31), second spout (32) and rack (33), the one end of second screw rod (31) is run through the lateral wall of installation piece (41) and rotate connect in the inside of installation piece (41), two rack (33) symmetry slide in the inside second spout (32) position that is equipped with of installation piece (41), rack (33) threaded connection in the lateral wall of second screw rod (31), just the screw thread direction of rotation at second screw rod (31) both ends is opposite.

7. The coal mine forepoling pillar recovery device according to claim 6, wherein: the driving mechanism (3) further comprises a gear (34) and a rotating shaft (35), the rack (33) is meshed with the gear (34), the gear (34) is rotatably connected to the second sliding groove (32), one end of the rotating shaft (35) is fixedly connected to the inner wall of the gear (34) and the other end of the rotating shaft is fixedly connected with the other end of the connecting rod (42).