CN210799007U - Advanced pre-buried pipe coal mining roadway support device - Google Patents

Abstract

The utility model discloses an advanced pre-buried pipe coal mining roadway support device, which comprises a support column, wherein the inside of the support column is slidably connected with a support rod, the inside of the support column is fixedly connected with a hydraulic cylinder, the piston rod of the hydraulic cylinder is welded with the support rod, one end of the support column, which is far away from the support rod, is fixedly connected with a support seat, two chutes are respectively arranged at two sides of the support seat, the inside of each chute is slidably connected with a slide block, the outer side wall of the slide block is hinged with a pull rod, the inner side wall of the support seat is rotatably connected with a rotating rod, the outer side walls at two ends of the rotating rod are respectively sleeved with a first bevel gear, the outer side wall of the rotating rod, which is close to the space between the two first bevel gears, is sleeved with a gear, the inside of a second, the application range is improved, and the structure and the operation are simple.

Description

Advanced pre-buried pipe coal mining roadway support device

Technical Field

The utility model relates to a tunnel support technical field specifically is a leading pre-buried pipe coal mining tunnel supporting device.

Background

The roadway is various passages drilled between the earth surface and an ore body and is used for conveying ores, ventilating, draining water, pedestrians, various necessary preparation projects newly dug for mining the ores by metallurgical equipment and the like. In the existing method, after a tunneling working face is transported to a position from the windward to the downwind, a metal arch support is adopted to tunnel a cut hole according to a normal construction method, the cut hole is communicated with the windward or the downwind, preparation work before installation is carried out, firstly, a large plate is added and supplemented, and a beam-three-column mode is added and supplemented between arch support shed beams. After the full-open hole is completed by adding the large plate, the face expanding operation is carried out, the time for tunneling, adding the large plate and expanding the side is about 25-30 days, the time is greatly exaggerated, the large plate is easy to damage and deform, and in this case, the support needs to be strengthened again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an advance pre-buried pipe coal mining tunnel supporting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting device for a leading embedded pipe coal mining roadway comprises a supporting column, wherein a supporting rod is connected inside the supporting column in a sliding manner, a hydraulic cylinder is fixedly connected inside the supporting column, a piston rod of the hydraulic cylinder is welded with the supporting rod, the supporting column is fixedly connected with a supporting seat at one end far away from the supporting rod, two sliding grooves are respectively arranged at two sides of the supporting seat, the inside of the sliding chute is connected with a sliding block in a sliding way, the outer side wall of the sliding block is hinged with a pull rod, the inside of the supporting seat is connected with a motor through a bolt thread, the inner side wall of the supporting seat is rotatably connected with a rotating rod, the outer side walls of the two ends of the rotating rod are respectively sleeved with a first bevel gear, the outer side wall of the rotating rod, which is close to the space between the two first bevel gears, is sleeved with a gear, the first bevel gears are meshed with second bevel gears, and the inner parts of the second bevel gears are fixedly connected with first screw rods.

Further preferred of this technical solution is: the output end of the motor is welded with a worm, and the worm is meshed with the gear.

Further preferred of this technical solution is: the inside both sides of support column all rotate and are connected with the connecting rod, the both ends of connecting rod are fixedly connected with respectively first lead screw and second lead screw.

Further preferred of this technical solution is: one end of the first lead screw penetrates through the bottom of the supporting seat and is rotatably connected to the inner bottom wall of the sliding groove, and one end of the second lead screw, which is far away from the connecting rod, is rotatably connected to the inner bottom wall of the sliding groove.

Further preferred of this technical solution is: the outer side walls of the first screw rod and the second screw rod are in threaded connection with the sliding blocks, and threads opposite to each other are arranged on the outer sides of the first screw rod and the second screw rod.

Further preferred of this technical solution is: the lateral wall riveting of supporting seat has the switch group, the electrical property output of switch group pass through the wire respectively with the pneumatic cylinder with the electrical property input electric connection of motor.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic cylinder is at the during operation, can promote the bracing piece bottom the support column, adjust the support height of support column, the motor can drive the worm when moving simultaneously and rotate, through worm transmission to gear, the gear drives the bull stick and rotates, the bull stick can drive two first bevel gears synchronous rotations when rotating, through first bevel gear and second bevel gear meshing, first bevel gear can drive first lead screw and second lead screw and rotate simultaneously when rotating, when first lead screw and second lead screw rotate, can make the slider reciprocate along the screw thread, support the width adjustment to the support column, support width and height adjustment through supporting the support column, can be applicable to the tunnel of specification and strut, improve application scope, and simple structure operation, the cost is lower.

Drawings

Fig. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the supporting seat of the present invention;

fig. 3 is a schematic side view of the supporting seat of the present invention.

In the figure: 1. a support pillar; 2. a support bar; 3. a hydraulic cylinder; 4. a supporting seat; 5. a chute; 6. a slider; 7. a pull rod; 8. a motor; 9. a rotating rod; 10. a first bevel gear; 11. a second bevel gear; 12. a gear; 13. a first lead screw; 14. a second lead screw; 15. a connecting rod; 16. a worm; 17. and a switch group.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a leading pre-buried tub of coal mining tunnel supporting device, including support column 1, the inside slip of support column 1 has connect bracing piece 2, the inside fixedly connected with pneumatic cylinder 3 of support column 1, the piston rod welding of pneumatic cylinder 3 has bracing piece 2, support column 1 is at the one end fixedly connected with supporting seat 4 of keeping away from bracing piece 2, two spouts 5 have all been seted up to the both sides of supporting seat 4, the inside sliding connection of spout 5 has slider 6, slider 6's lateral wall articulates there is pull rod 7, there is motor 8 inside of supporting seat 4 through bolt threaded connection, the inside wall of supporting seat 4 rotates and is connected with bull stick 9, first bevel gear 10 has all been cup jointed to the lateral wall at bull stick 9 both ends, gear 12 has been cup jointed to the lateral wall that bull stick 9 is being close to between two first bevel gear 10, first bevel gear 10 meshes has second.

In this embodiment, specifically: the output end of the motor 8 is welded with a worm 16, the worm 16 is meshed with the gear 12, when the motor 8 operates, the worm 16 is driven to rotate, meanwhile, the worm 16 drives the gear 12 to rotate, and the gear 12 drives the rotating rod 9 to synchronously rotate.

In this embodiment, specifically: the connecting rods 15 are rotatably connected to two sides of the inside of the supporting column 1, the first screw rod 13 and the second screw rod 14 are fixedly connected to two ends of each connecting rod 15 respectively, and when the first screw rod 13 rotates, the second screw rod 14 can be driven to rotate synchronously through the connecting rods 15.

In this embodiment, specifically: one end of the first screw rod 13 runs through the bottom of the support seat 4 to be rotatably connected to the inner bottom wall of the sliding groove 5, the second screw rod 14 is rotatably connected to the inner bottom wall of the sliding groove 5 at the end far away from the connecting rod 15, the first screw rod 13 and the second screw rod 14 can drive the sliding block 6 to move in the sliding groove 5 when rotating, and the stroke of the sliding block 6 can be guided and limited through the sliding groove 5.

In this embodiment, specifically: the outer side walls of the first screw rod 13 and the second screw rod 14 are both in threaded connection with a sliding block 6, threads which are opposite to each other are arranged on the outer sides of the first screw rod 13 and the second screw rod 14, and when the first screw rod 13 and the second screw rod 14 rotate, the sliding block 6 can move towards opposite directions.

In this embodiment, specifically: the lateral wall riveting of supporting seat 4 has switch group 17, and switch group 17's electrical output passes through the wire respectively with pneumatic cylinder 3 and motor 8's electrical input electric connection, controls the power switching state of pneumatic cylinder 3 and motor 8 respectively through switch group 17.

In this embodiment, the specific types of the hydraulic cylinder 3 are: YTL 160-90-145.

In this embodiment, the specific types of the motor 8 are: EMMS-AS-40-MK-LS-TS.

The working principle or the structural principle is that when the hydraulic support is used, firstly, the power supply is switched on, the power supply of the hydraulic cylinder 3 is switched on through the switch group 17, the hydraulic cylinder 3 can push the support rod 2 to the bottom of the support column 1 when in work, the support height of the support column 1 can be adjusted through the movement of the support rod 2 in the support column 1, after the support column 1 is adjusted to the target height, the hydraulic cylinder 3 is switched off, meanwhile, the power supply of the motor 8 is switched on through the switch group 17, the motor 8 drives the worm 16 to rotate when running, the worm 16 is transmitted to the gear 12, the gear 12 drives the rotating rod 9 to rotate, the rotating rod 9 drives the two first bevel gears 10 to synchronously rotate when rotating, the first bevel gears 10 are meshed with the second bevel gears 11, the first bevel gears 10 drive the first lead screws 13 to rotate when rotating, meanwhile, the first lead screws 13 drive the second lead screws 14 to simultaneously rotate through the connecting rods 15, the sliding block 6 can move up and down along the thread, meanwhile, the sliding block 6 can drive the pull rod 7 to move, the width between the supporting columns 1 is adjusted through the movement of the pull rod 7, and the motor 8 is turned off through the switch group 17 after the sliding block 6 moves to a target position according to the width required to be supported.

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 (6)

1. The utility model provides a leading pre-buried pipe coal mining roadway support device, includes support column (1), its characterized in that: the inner part of the supporting column (1) is connected with a supporting rod (2) in a sliding manner, the inner part of the supporting column (1) is fixedly connected with a hydraulic cylinder (3), a piston rod of the hydraulic cylinder (3) is welded with the supporting rod (2), one end of the supporting column (1) far away from the supporting rod (2) is fixedly connected with a supporting seat (4), two sliding grooves (5) are respectively formed in two sides of the supporting seat (4), a sliding block (6) is connected in the sliding manner in the sliding grooves (5), a pull rod (7) is hinged to the outer side wall of the sliding block (6), a motor (8) is connected in the supporting seat (4) through a bolt thread, a rotating rod (9) is rotatably connected to the inner side wall of the supporting seat (4), first bevel gears (10) are respectively sleeved on the outer side walls at two ends of the rotating rod (9), a gear (12) is sleeved on the, the first bevel gear (10) is engaged with a second bevel gear (11), and a first screw rod (13) is fixedly connected inside the second bevel gear (11).

2. The advance embedded pipe coal mining roadway support device according to claim 1, characterized in that: the output end of the motor (8) is welded with a worm (16), and the worm (16) is meshed with the gear (12).

3. The advance embedded pipe coal mining roadway support device according to claim 1, characterized in that: the inside both sides of support column (1) all rotate and are connected with connecting rod (15), the both ends of connecting rod (15) are fixedly connected with respectively first lead screw (13) and second lead screw (14).

4. The advanced embedded pipe coal mining roadway support device according to claim 3, characterized in that: one end of the first screw rod (13) penetrates through the bottom of the supporting seat (4) to be rotatably connected to the inner bottom wall of the sliding groove (5), and one end of the second screw rod (14) far away from the connecting rod (15) is rotatably connected to the inner bottom wall of the sliding groove (5).

5. The advanced embedded pipe coal mining roadway support device according to claim 3, characterized in that: the outer side walls of the first screw rod (13) and the second screw rod (14) are in threaded connection with the sliding block (6), and the outer sides of the first screw rod (13) and the second screw rod (14) are provided with threads which are opposite to each other.

6. The advance embedded pipe coal mining roadway support device according to claim 1, characterized in that: the outer side wall of the supporting seat (4) is riveted with a switch group (17), and the electrical output end of the switch group (17) is respectively electrically connected with the hydraulic cylinder (3) and the electrical input end of the motor (8) through a wire.

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