CN218816455U - Support for gob-side entry retaining of thin coal seam - Google Patents

Abstract

The utility model discloses a support for low seam gob entry relates to gob entry support technical field. The utility model discloses a support base, hydraulic rod, fixed establishment, sliding bottom and roll adjustment mechanism, the top at hydraulic rod is fixed to the backup pad, be fixed with the drill bit on the output of first motor, the top array of backup pad has the buffer block, the one end of connecting plate is fixed on the telescopic lateral wall of second, the other end of connecting plate is fixed on sliding bottom, the telescopic inside fixed baffle of second, be fixed with electric putter on the both sides wall of baffle, the movable block is fixed on electric putter, the one end at the threaded rod is fixed to the output of second motor, the other end swing joint of threaded rod is on the diapire of movable block, the threaded block threaded connection is on the threaded rod, be fixed with the notch board on the lateral wall of threaded block. The utility model discloses a set up fixed establishment, avoided the artifical injury that causes the health of holing, set up roll adjustment mechanism, can adjust the position of support effectively.

Description

Support for gob-side entry retaining of thin coal seam

Technical Field

The utility model belongs to the technical field of gob-side entry retaining is strutted, especially, relate to a support that is used for thin seam gob-side entry retaining.

Background

The method is characterized in that an original stoping roadway is maintained along the edge of a goaf behind a roadway-retained coal face, in order to recover protective coal pillars reserved in a traditional mining mode, a certain technical means is adopted to reserve a crossheading of a previous section for a next section for use, the roadway-retaining method is that a gob-side entry is reserved at the position of the original crossheading along the edge of the goaf, and the method is very important for supporting a support of the gob-side entry in the gob-side entry. The prior published literature, CN105736027B, a gob-side entry retaining support group, discloses a gob-side entry retaining end support and a gob-side entry retaining support which are connected by a waste rock blocking steel plate, the waste rock blocking steel plate is fixedly connected with a lapping mechanism behind the gob-side entry retaining end support, the waste rock blocking steel plate is lapped with a waste rock blocking plate on the side part of the gob-side entry retaining support and a waste rock blocking plate under the side part, the waste rock blocking support is composed of two rows of support bodies connected by an oil cylinder, a top beam of the end support is connected with a base by four hydraulic supports and a four-connecting rod, a top protecting plate anchor cable device is arranged on the upper part of the top beam of the support, a rear telescopic beam is arranged at the rear part of the top beam, and the lapping mechanism is hinged and connected with the rear part of the base. The problem of current wood point stake with high costs, the construction degree of difficulty is big, the engineering volume is big, and wood point stake can not effectively keep off the waste rock moreover, emptys easily, endangers staff's personal safety is solved. However, the following disadvantages still exist in the practical use:

1. the existing support for the gob-side entry retaining of the thin coal seam needs to be punched on a roadway at the top of the support during erection so as to be convenient for fixing the support, however, most workers manually punch the holes, so that the punching efficiency is low, and a large amount of coal ash generated during punching is easily sucked into the body by the workers, thereby affecting the health of the workers;

2. the existing support for the gob-side entry retaining of the thin coal seam needs to be properly adjusted according to the space of the gob-side entry retaining, but most of supports are extremely inconvenient to adjust the position, so that the position cannot be effectively adjusted, the gob-side entry retaining cannot be effectively supported, and great potential safety hazards can exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support for low seam gob entry through having set up fixed establishment and roll adjustment mechanism, has solved the problem that the current support that needs to punch manually and be used for the support can not carry out the position adjustment.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a support for low seam gob-side entry retaining, which comprises a support base, a hydraulic push rod, a fixing mechanism, a sliding base and a distance adjusting mechanism, wherein the fixing mechanism is fixed at the top of the hydraulic push rod, the fixing mechanism is composed of a support plate, a first backup seat, a first motor, a drill bit and a buffer block, the support plate is fixed at the top of the hydraulic push rod, the first backup seat is fixed at two ends of the bottom of the support plate, the first motor is fixed in the first backup seat, the output end of the first motor penetrates through the top wall of the first backup seat, the drill bit is fixed at the output end of the first motor, the buffer block is arranged on the array at the top of the support plate, the distance adjusting mechanism is fixed at the top of the sliding base, the roll adjustment mechanism is by the second sleeve, the connecting plate, a separation plate, electric putter, the movable block, the second is equipped with the seat, the second motor, the threaded rod, thread block and notch board are constituteed jointly, the one end of connecting plate is fixed on the telescopic lateral wall of second, the top at sliding bottom is fixed to the other end of connecting plate, the telescopic inside fixed partition of second, be fixed with electric putter on the both sides wall of baffle, the movable block is fixed on electric putter, the top array of movable block has the second to be equipped with the seat, the second motor is fixed in the second and is equipped with the inside of seat, the output of second motor runs through the second and is equipped with the bottom of seat and the roof of movable block, the one end at the threaded rod is fixed to the output of second motor, the other end swing joint of threaded rod is on the diapire of movable block, thread block threaded connection is on the threaded rod, be fixed with the notch board on the lateral wall of thread block.

Furthermore, hydraulic push rods are fixed at two ends of the top of the support base, signal receiving controllers are fixed on the peripheral side faces of the hydraulic push rods, the signal receiving controllers can remotely receive operating instructions of workers, and the workers can remotely operate the support.

Further, the buffer block is by the supporting shoe, the spring, first sleeve, block rubber and antiskid piece are constituteed jointly, the top in the backup pad is fixed to the supporting shoe, the top at the supporting shoe is connected to the one end of spring, the other end of spring is connected on first telescopic roof, the block rubber is fixed at first telescopic top, the top array of block rubber has antiskid piece, the buffer block can effectually play the cushioning effect when punching, the antiskid piece takes place the slip skew when preventing effectively that the support from supporting.

Further, the bottom of the support base is fixed with a sliding block, the sliding groove is formed in the top of the sliding base, the support base is movably connected to the top of the sliding base, the support base can be moved on the sliding base, the position of the support can be effectively adjusted, and therefore gob-side entry retaining can be better supported.

Furthermore, the size phase-match of slider and spout, slider and spout constitute sliding connection, constitute sliding connection between slider and the spout, let support base more stable of removal on sliding base.

Further, the central point at support base top puts the department and is fixed with the lug, the size and the concave plate size phase-match of lug, lug and concave plate size phase-match can let roll adjustment mechanism when carrying out the roll adjustment, and the concave plate can effectual joint on the lug to distance between the effectual adjustment support.

The utility model discloses following beneficial effect has:

1. the fixing mechanism is arranged, the first motor can drive the drill bit to rotate, the hydraulic push rod drives the drill bit to move upwards, the drill bit can be effectively punched, the signal receiving controller can enable the worker to remotely operate the support, so that the coal ash generated by punching is prevented from being sucked, the buffer block can buffer the vibration generated during punching, the punching efficiency is improved, the coal ash can be prevented from being sucked, and the health of the worker is guaranteed.

2. The distance adjusting mechanism is arranged, the second motor, the threaded rod and the electric push rod can effectively control the concave plate to move, when the position of the support needs to be adjusted, the concave plate can be clamped on the convex block, therefore, the support base can be effectively driven to move on the sliding base, the gob-side entry retaining is effectively supported, and safety is greatly improved.

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 are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a support for gob-side entry retaining of a thin coal seam;

FIG. 2 is a front view of a support for gob-side entry retaining of a thin coal seam;

FIG. 3 is a side view of a support for gob-side entry retaining of a thin coal seam;

FIG. 4 is a top view of a support for gob-side entry retaining of a thin coal seam;

FIG. 5 is a schematic structural diagram of a distance adjusting mechanism in a support for gob-side entry retaining of a thin coal seam;

FIG. 6 is a cross-sectional view of an in-rack distance adjustment mechanism for gob-side entry retaining of a thin seam of coal;

FIG. 7 is a schematic structural view of a fixing mechanism in a support for gob-side entry retaining of a thin coal seam;

FIG. 8 is a schematic structural diagram of a buffer block in a support for gob-side entry retaining of a thin coal seam;

FIG. 9 is a cross-sectional view of a bumper in a rack for gob-side entry retaining of a thin seam of coal;

fig. 10 is an enlarged view of a structure at a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a bracket base; 2. a hydraulic push rod; 3. a fixing mechanism; 31. a support plate; 32. a first standby seat; 33. a first motor; 34. a drill bit; 35. a buffer block; 351. a supporting block; 352. a spring; 353. a first sleeve; 354. a rubber block; 355. anti-skid particles; 4. a sliding base; 5. a distance adjusting mechanism; 51. a second sleeve; 52. a connecting plate; 53. a partition plate; 54. an electric push rod; 55. a movable block; 56. a second standby seat; 57. a second motor; 58. a threaded rod; 59. a thread block; 510. a concave plate; 6. a signal receiving controller; 7. a slider; 8. a chute; 9. and (4) a bump.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 6 and 10, the utility model relates to a support for gob-side entry retaining of thin coal seam, which comprises a support base 1, a hydraulic push rod 2, a fixing mechanism 3, a support plate 31, a first backup seat 32, a first motor 33, a drill 34, a buffer block 35, a support block 351, a spring 352, a first sleeve 353, a rubber block 354, an anti-skid particle 355, a sliding base 4, a distance adjusting mechanism 5, a second sleeve 51, a connecting plate 52, a partition plate 53, an electric push rod 54, a movable block 55, a second backup seat 56, a second motor 57, a threaded rod 58, a threaded block 59, a concave plate 510, a signal receiving controller 6, a sliding block 7, a sliding groove 8 and a convex block 9, wherein a distance adjusting mechanism 5 is fixed on the top of the sliding base 4, the distance adjusting mechanism 5 is composed of a second sleeve 51, a connecting plate 52, a partition plate 53, an electric push rod 54, a movable block 55, a second backup seat 56, a second motor 57, a threaded block 58, a threaded block 59 and a concave plate 510, one end of the connecting plate 52 is fixed on the side wall of the second sleeve 51, the other end of the connecting plate 52 is fixed on the top of the sliding base 4, a partition 53 is fixed inside the second sleeve 51, electric push rods 54 are fixed on the two side walls of the partition 53, a movable block 55 is fixed on the electric push rods 54, a second standby seat 56 is arrayed on the top of the movable block 55, a second motor 57 is fixed inside the second standby seat 56, the output end of the second motor 57 penetrates through the bottom of the second standby seat 56 and the top wall of the movable block 55, the output end of the second motor 57 is fixed on one end of a threaded rod 58, the other end of the threaded rod 58 is movably connected on the bottom wall of the movable block 55, the threaded block 59 is in threaded connection with the threaded rod 58, a concave plate 510 is fixed on the side wall of the threaded block 59, a sliding block 7 is fixed on the bottom of the bracket base 1, a sliding chute 8 is formed on the top of the sliding base 4, support base 1 swing joint is at the top of sliding base 4, and slider 7 and the size phase-match of spout 8, and slider 7 and spout 8 constitute sliding connection, and the central point department of putting at support base 1 top is fixed with lug 9, and the size of lug 9 and the size phase-match of concave plate 510.

The above setting, the application is: firstly, a worker remotely transmits an instruction to the signal receiving controller 6 to control, the electric push rod 54 starts to extend to drive the movable block 55 to start moving, the movable block 55 drives the concave plate 510 to start moving, when the concave plate 510 moves to a position right above the convex block 9, the electric push rod 54 stops extending, then the second motor 57 is started to start forward rotation, the second motor 57 drives the threaded rod 58 to start rotating, the threaded rod 58 drives the threaded block 59 to start downward movement, the threaded block 59 drives the concave plate 510 to start downward movement, when the concave plate 510 is clamped on the convex block 9, the rotation of the second motor 57 is stopped, then the electric push rod 54 starts to contract, the electric push rod 54 drives the concave plate 510 to slowly move towards the connecting plate 52, the concave plate 510 drives the bracket to slowly move towards the distance adjusting mechanism 5 on the sliding base 4, when the bracket moves to a proper position, the electric push rod 54 stops contracting, then the second motor 57 is started to rotate reversely, the second motor 57 drives the threaded rod 58 to start rotating, the threaded rod 58 drives the threaded rod 59 to start moving, the slow block 59 starts to drive the slow block 59 to move upwards, when the concave plate 510 moves to a proper position, the electric push rod 54 stops rotating, and then the electric push rod 510 starts to start rotating, when the electric push rod 510 starts to start rotating, the electric push rod 510 to start rotating, the concave plate 510 to start moving, and then the concave plate 510 to start moving, the concave plate 54.

As shown in fig. 1 to 4 and fig. 7 to 9, the fixing mechanism 3 is fixed on the top of the hydraulic push rod 2, the fixing mechanism 3 is composed of a support plate 31, a first backup seat 32, a first motor 33, a drill 34 and a buffer block 35, the support plate 31 is fixed on the top of the hydraulic push rod 2, the first backup seat 32 is fixed on two ends of the bottom of the support plate 31, the first motor 33 is fixed inside the first backup seat 32, an output end of the first motor 33 penetrates through the top wall of the first backup seat 32, the drill 34 is fixed on the output end of the first motor 33, the buffer block 35 is arranged on the top of the support plate 31, the hydraulic push rod 2 is fixed on two ends of the top of the support base 1, a signal receiving controller 6 is fixed on the peripheral side surface of the hydraulic push rod 2, the buffer block 35 is composed of a support block 351, a spring 352, a first sleeve 353, a rubber block 354 and an anti-slip pellet 355, the support block 351 is fixed on the top of the support plate 31, one end of the spring 352 is connected on the top of the support block 351, the other end of the first sleeve 353, the rubber pellet 354 is fixed on the top of the first sleeve 353, and the top rubber pellet 355.

The above setting, the application is: when the position of the support is adjusted, the worker transmits an instruction to the signal receiving controller 6, the first motor 33 starts to rotate forwards, the first motor 33 drives the drill bit 34 to rotate, the hydraulic push rod 2 starts to extend, the hydraulic push rod 2 drives the fixing mechanism 3 to move upwards and slowly, the buffer block 35 abuts against the top wall of the gob-side entry, the spring 352 starts to contract, the drill bit 34 starts to drill the top wall of the gob-side entry until the drill bit 34 drills into a proper depth, the rotation of the first motor 33 is stopped, the extension of the hydraulic push rod 2 is stopped, when the support needs to be moved, the first motor 33 is started to rotate backwards, the hydraulic push rod 2 starts to contract, when the drill bit 34 drills out the top wall of the gob-side entry, the rotation of the first motor 33 is stopped, and when the buffer block 35 is separated from the top wall of the gob-side entry, the hydraulic push rod 2 is stopped to contract.

One specific application of this embodiment is: firstly, a worker remotely transmits an instruction control to the signal receiving controller 6, the electric push rod 54 starts to extend to drive the movable block 55 to start moving, the movable block 55 drives the concave plate 510 to start moving, when the concave plate 510 moves to a position right above the convex block 9, the electric push rod 54 stops extending, then the second motor 57 is started to start forward rotation, the second motor 57 drives the threaded rod 58 to start rotating, the threaded rod 58 drives the threaded block 59 to start downward movement, the threaded block 59 drives the concave plate 510 to start downward movement, when the concave plate 510 is clamped on the convex block 9, the rotation of the second motor 57 is stopped, then the electric push rod 54 starts to contract, the electric push rod 54 drives the concave plate 510 to slowly move towards the connecting plate 52, the concave plate 510 drives the support to slowly move towards the distance adjusting mechanism 5 on the sliding base 4, and when the support moves to a proper position, the electric push rod 54 stops contracting, then the second motor 57 is started to rotate reversely, the second motor 57 drives the threaded rod 58 to rotate, the threaded rod 58 drives the threaded block 59 to move, the threaded block 59 drives the concave plate 510 to move upwards and slowly until the concave plate 510 ascends to a proper position, the rotation of the second motor 57 is stopped, then the electric push rod 54 starts to contract, the electric push rod 54 drives the concave plate 510 to move slowly until the concave plate 510 moves to a proper position, the electric push rod 54 stops to contract, then a worker sends an instruction to the signal receiving controller 6, firstly, the first motor 33 starts to rotate forwards, the first motor 33 drives the drill bit 34 to rotate, then, the hydraulic push rod 2 starts to extend, the hydraulic push rod 2 drives the fixing mechanism 3 to move upwards and slowly, then, the buffer block 35 abuts against the top wall of the gob-side entry, and then the spring 352 starts to contract, then the drill bit 34 starts to drill the top wall of the gob-side entry retaining, the rotation of the first motor 33 is stopped when the drill bit 34 drills into a proper depth, the extension of the hydraulic push rod 2 is stopped, when the bracket needs to be moved, the first motor 33 is started to rotate reversely, then the hydraulic push rod 2 starts to retract, when the drill bit 34 drills out the top wall of the gob-side entry retaining, the rotation of the first motor 33 is stopped, and when the buffer block 35 is separated from the top wall of the gob-side entry retaining, the retraction of the hydraulic push rod 2 is stopped.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims (6)

1. The utility model provides a support that is used for low seam gob entry, includes support base (1), hydraulic push rod (2), fixed establishment (3), sliding bottom (4) and roll adjustment mechanism (5), its characterized in that: the fixing mechanism (3) is fixed at the top of the hydraulic push rod (2), the fixing mechanism (3) is composed of a support plate (31), a first standby seat (32), a first motor (33), a drill bit (34) and a buffer block (35) together, the support plate (31) is fixed at the top of the hydraulic push rod (2), the first standby seat (32) is fixed at two ends of the bottom of the support plate (31), the first motor (33) is fixed in the first standby seat (32), the output end of the first motor (33) penetrates through the top wall of the first standby seat (32), the drill bit (34) is fixed at the output end of the first motor (33), the top array of the support plate (31) is provided with the buffer block (35), the top of the sliding base (4) is fixed with the distance adjusting mechanism (5), the distance adjusting mechanism (5) is fixed at the top of the second standby seat (51), a connecting plate (52), a partition plate (53), an electric push rod (54), a movable block (55), a second standby seat (56), a second threaded rod (57), a second threaded rod (59), a connecting plate (52) and a buffer block (510) and a connecting plate (52) fixed at the other end of the sliding base (52), the inside fixed baffle (53) of second sleeve (51), be fixed with on the both sides wall of baffle (53) electric putter (54), movable block (55) are fixed electric putter (54) are last, the top array of movable block (55) has the second is equipped with seat (56), second motor (57) are fixed the inside that seat (56) were equipped with to the second, the output of second motor (57) runs through the second be equipped with the bottom of seat (56) with the roof of movable block (55), the output of second motor (57) is fixed the one end of threaded rod (58), the other end swing joint of threaded rod (58) is in on the diapire of movable block (55), threaded block (59) threaded connection is in on threaded rod (58), be fixed with notch board (510) on the lateral wall of threaded block (59).

2. The support for gob-side entry of a thin coal seam according to claim 1, wherein: the two ends of the top of the support base (1) are fixed with the hydraulic push rods (2), and the peripheral side faces of the hydraulic push rods (2) are fixed with signal receiving controllers (6).

3. The support for gob-side entry of a thin coal seam according to claim 1, wherein: the buffer block (35) is composed of a supporting block (351), a spring (352), a first sleeve (353), a rubber block (354) and anti-skid grains (355), the supporting block (351) is fixed to the top of the supporting plate (31), one end of the spring (352) is connected to the top of the supporting block (351), the other end of the spring (352) is connected to the top wall of the first sleeve (353), the rubber block (354) is fixed to the top of the first sleeve (353), and the anti-skid grains (355) are arrayed on the top of the rubber block (354).

4. A support for gob-side entry retaining of a thin coal seam according to claim 1, wherein: the bottom of the support base (1) is fixed with a sliding block (7), the top of the sliding base (4) is provided with a sliding groove (8), and the support base (1) is movably connected to the top of the sliding base (4).

5. A support for gob-side entry retaining of a thin coal seam according to claim 4, wherein: the sliding block (7) is matched with the sliding groove (8) in size, and the sliding block (7) is in sliding connection with the sliding groove (8).

6. The support for gob-side entry of a thin coal seam according to claim 1, wherein: a convex block (9) is fixed at the center of the top of the bracket base (1), and the size of the convex block (9) is matched with that of the concave plate (510).

Images