CN115450671A

CN115450671A - Multi-directional roadway supporting device

Info

Publication number: CN115450671A
Application number: CN202210500213.5A
Authority: CN
Inventors: 牛学良; 王素华; 付志亮
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-12-09

Abstract

The invention discloses a multi-azimuth roadway supporting device, particularly relates to the field of mining engineering, and comprises a supporting column, wherein a supporting rod is arranged inside the supporting column, a turntable, a first limiting rod, a first limiting hole and a supporting plate are arranged, when the angle of a supporting plate is adjusted, an electromagnet inside an inner groove can be started, the first limiting rod is attracted by the magnetic force of the electromagnet and can move inwards, one end of the first limiting rod is separated from the first limiting hole of a top frame, the limiting of the turntable is relieved, then the supporting plate is rotationally adjusted through the turntable, when the supporting plate needs to be adjusted according to the supporting position, the supporting plate slides along a sliding groove, the position of the supporting plate is conveniently adjusted, the supporting effect of the device is improved, in addition, an early warning device is fixedly arranged on the outer surface of the supporting column, when the oxygen concentration in a roadway is too low, the early warning device can warn through an early warning lamp, and the safety in the mining process is improved.

Description

Multi-directional roadway supporting device

Technical Field

The embodiment of the invention relates to the field of mining engineering, in particular to a multi-azimuth roadway supporting device.

Background

Coal is one of main energy sources in China, coal mining is generally divided into two modes of underground mining and open-pit mining, and currently, most of domestic mines adopt underground mining. When coal mining is carried out underground, a series of tunnels need to be tunneled, after the tunnels are tunneled, the stress of surrounding rock of the tunnels is redistributed, if the stress of the surrounding rock is too large, new cracks and other discontinuous surfaces can be generated, and even the tunnel collapses. In order to ensure the normal use and the personnel safety of the roadway, the roadway needs to be supported by using a corresponding supporting device.

The prior art has the following defects: among the current coal mine roadway support, after strutting arrangement erects the completion, along with the development that the tunnel country rock warp, there is very big effort between strutting arrangement and the tunnel country rock, and the contact mode between the two is mostly rigid contact, causes strutting arrangement's strut position, the inconvenient adjustment of support direction, consequently, this mode has certain limitation in the use, influences the tunnel and struts the effect. In addition, the oxygen content of the roadway is an important index in the mining process, and the conventional roadway supporting device lacks a monitoring means for the oxygen concentration in the roadway, so that the oxygen concentration cannot be timely mastered, and certain potential safety hazards are brought to personnel.

In order to reduce the workload of personnel, improve the roadway support effect and timely monitor the concentration of oxygen in the roadway, the invention provides a multi-azimuth roadway support device for solving the problems.

Disclosure of Invention

Therefore, the embodiment of the invention provides a multi-azimuth roadway supporting device, which comprises a rotary table, a first limiting rod, a first limiting hole and a supporting plate, wherein when the angle of a supporting plate is adjusted, an electromagnet in an inner groove can be started, the first limiting rod can move inwards under the attraction of the magnetic force of the electromagnet, one end of the first limiting rod is separated from the first limiting hole of a top frame, the limiting on the rotary table is relieved, then the supporting plate is rotatably adjusted through the rotary table, when the supporting plate needs to be adjusted according to the supporting position, the supporting plate slides along a sliding groove, the position of the supporting plate is conveniently adjusted, the supporting effect of the device is increased, and the problem that the supporting plate is inconvenient to adjust in the prior art is solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the utility model provides a diversified tunnel strutting arrangement, includes the pillar, the inside of pillar is provided with the bracing piece, the top of bracing piece is provided with the layer board, the top surface fixed mounting of bracing piece has the roof-rack, the first spacing hole of a plurality of has been seted up to the surface of roof-rack, the inside fixed mounting of pillar has the inner frame, the bottom fixed mounting of inner frame has the motor, the top of inner frame is provided with the screw rod, the output shaft of motor and the bottom fixed connection of screw rod, the surface of screw rod is established to the bracing piece cover, screw rod and bracing piece threaded connection, the inside of roof-rack is provided with the revolving stage, the revolving stage rotates with the roof-rack to be connected, the top and the layer board fixed connection of revolving stage, the inside groove has been seted up to inside one side of revolving stage, the inner wall one end fixed mounting of inside groove has the electro-magnet, the inside of inside groove is provided with first gag lever post, the one end and the first spacing hole phase-match of first gag lever post, the inside other end fixed mounting of inside groove has the second retaining ring, the surface of first gag lever post is located one side cover of second retaining ring and is equipped with first spring, the both sides of layer board are provided with the bottom pipe.

Further, the top end of the bottom tube is fixedly provided with a sliding block, the top end of the sliding block is fixedly connected with a supporting plate, the supporting plate is connected with a supporting plate in a sliding mode through the sliding block, and the sliding block is matched with the second sliding groove.

Furthermore, a through groove is formed in the sliding block, the bottom pipe is communicated with the through groove, second limiting rods are arranged on two sides of the inside of the through groove, and one end of each second limiting rod is matched with a second limiting hole.

Further, the inside bottom fixed mounting of bottom tube has the third to keep off the ring, the inside of bottom tube is provided with the second bolt, the surface at the second bolt is established to the third fender ring cover, the one end fixed mounting of second bolt has the piston, the surface of second bolt is located the below cover of piston and is equipped with the second spring.

Further, the outer fixed surface of pillar installs early warning device, the bottom fixed mounting of pillar has the base, the top cover that the surface of pillar is located the base is equipped with the removal frame, the side channel has been seted up to the inside both sides of removal frame, the inside one end fixed mounting of side channel has first fender ring.

Furthermore, a plurality of mounting rods are fixedly mounted at the bottom end of the moving frame, a plurality of placing holes are formed in the outer surface of the base, and the bottom ends of the mounting rods are matched with the placing holes.

Furthermore, first bolts are inserted into two sides of the movable frame, and an inner block is arranged inside the movable frame.

Further, the inner wall both sides fixed mounting that removes the frame has the connecting block, remove frame through connecting block and interior piece fixed connection.

Further, a clamping block is fixedly mounted at one end of the first bolt, clamping grooves are formed in two sides of the inner portion of the inner block, a magnetic block is mounted inside the clamping grooves, and one end of the clamping block is matched with the clamping grooves.

Further, the through-hole has been seted up to the surface both sides of pillar, the one end and the through-hole phase-match of fixture block, first spout has been seted up to the surface around the pillar, connecting block and first spout phase-match.

The embodiment of the invention has the following advantages:

1. by arranging the rotary table, the first limiting rod, the first limiting hole and the supporting plate, when the angle of the supporting plate is adjusted, the electromagnet in the inner groove can be started, the first limiting rod is attracted by the magnetic force of the electromagnet and can move inwards, one end of the first limiting rod is separated from the first limiting hole of the top frame, the limiting of the rotary table is relieved, then the supporting plate is rotatably adjusted through the rotary table, when the supporting plate is required to be adjusted according to a supporting position, the supporting plate slides along the sliding groove, the position of the supporting plate is convenient to adjust, and the supporting effect of the device is improved;

2. through setting up the installation pole, first bolt, fixture block and magnetic path, when installing the pillar, need drill at the mounted position earlier, then lay the base in fixed position, the position that the hole was laid to the messenger corresponds with drilling, then the outside pulling of first bolt of removal frame both sides, the fixture block that drives one end breaks away from the draw-in groove of inner block, remove the spacing to the removal frame, then will remove the frame and promote downwards along first spout, make the installation pole of bottom insert in the drilling, fix the pillar, when needs are dismantled the removal frame, will remove frame rebound, it is downthehole to make installation pole bottom insert to lay, the safety of handling has been increased.

3. The outer fixed surface of pillar has early warning device among the strutting arrangement, and in the use, early warning device on the pillar can carry out in good time detection to the oxygen concentration in the tunnel, and when oxygen concentration was low excessively, early warning device can warn through the early warning lamp, has increased the security of mining process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.

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

Fig. 2 is an exploded view of the support rod mounting structure provided by the present invention.

Fig. 3 is an exploded view of the top frame and the turntable provided by the present invention.

Fig. 4 is an exploded view of the pallet and support plate provided by the present invention.

Fig. 5 is a cross-sectional view of a bottom tube provided by the present invention.

Fig. 6 is a schematic structural view of a movable frame and a base provided in the present invention.

Fig. 7 is an exploded view of the movable frame and the base according to the present invention.

Fig. 8 is a sectional view of a moving frame provided in the present invention.

In the figure: 1. a pillar; 11. an early warning device; 12. a base; 13. a movable frame; 131. connecting blocks; 132. a side groove; 133. a first retainer ring; 14. mounting a rod; 15. a first latch; 151. a clamping block; 16. an inner block; 161. a card slot; 162. a magnetic block; 17. a placement hole; 18. a through hole; 19. a first chute; 2. a support bar; 21. a top frame; 211. a first limit hole; 22. an inner frame; 23. a motor; 24. a screw; 25. a turntable; 26. an inner tank; 27. an electromagnet; 28. a first limit rod; 281. a first spring; 29. a second retainer ring; 3. a pallet; 31. a support plate; 32. a bottom tube; 33. a second chute; 34. a second limiting hole; 35. a slider; 36. a through groove; 37. a second limiting rod; 38. a third retainer ring; 39. a second bolt; 391. a piston; 392. a second spring.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5 of the drawings, the multi-azimuth roadway support device of this embodiment includes a pillar 1, a support rod 2 is disposed inside the pillar 1, a supporting plate 3 is disposed at the top end of the support rod 2, a top frame 21 is fixedly disposed on the outer surface of the top end of the support rod 2, a plurality of first limiting holes 211 are disposed on the outer surface of the top frame 21, an inner frame 22 is fixedly disposed inside the pillar 1, a motor 23 is fixedly disposed at the bottom end of the inner frame 22, a screw 24 is disposed at the top end of the inner frame 22, an output shaft of the motor 23 is fixedly connected to the bottom end of the screw 24, the support rod 2 is sleeved on the outer surface of the screw 24, the screw 24 is in threaded connection with the support rod 2, a turntable 25 is disposed inside the top frame 21, the turntable 25 is rotatably connected to the top frame 21, the top end of the turntable 25 is fixedly connected to the supporting plate 3, an inner groove 26 is disposed on one side inside the turntable 25, an electromagnet 27 is fixedly disposed on one end of the inner wall of the inner groove 26, a first limiting rod 28 is disposed inside the inner groove 26, one side of the first limiting rod is disposed on one side of the supporting plate, a sliding block 31 is disposed on the supporting plate 31, a second supporting plate 31 is disposed on the top end of the supporting plate 3, a second supporting plate 31, a sliding block 35, a second supporting plate 31 is disposed on the supporting plate 31, a sliding block 35, a second supporting plate 31, a sliding block 35, a sliding block 31 is disposed on the supporting plate 31, a sliding block 35, a second supporting plate 31 is disposed on two supporting plate 3, a second supporting plate 3, a sliding block 30 is disposed on two supporting plate 3, the sliding block 35 is matched with the second sliding groove 33, a through groove 36 is formed in the sliding block 35, the bottom tube 32 is communicated with the through groove 36, second limiting rods 37 are arranged on two sides of the inside of the through groove 36, one end of each second limiting rod 37 is matched with the corresponding second limiting hole 34, a third retaining ring 38 is fixedly mounted at the bottom end of the inside of the bottom tube 32, a second bolt 39 is arranged in the bottom tube 32, the third retaining ring 38 is sleeved on the outer surface of the second bolt 39, a piston 391 is fixedly mounted at one end of the second bolt 39, and a second spring 392 is sleeved on the outer surface of the second bolt 39 below the piston 391.

The implementation scenario is specifically as follows: when the roadway is supported by the support plate 31, the motor 23 at the bottom end of the inner frame 22 needs to be started, the screw 24 is driven by the motor 23 to rotate, the support rod 2 is pushed upwards, the support plates 31 at two ends are moved upwards by the supporting plate 3 until the support plates 31 prop against the top end of the roadway, when the angle of the supporting plate 3 is adjusted, the electromagnet 27 in the inner groove 26 can be started, the first limit rod 28 is attracted by the magnetic force of the electromagnet 27 to move inwards, one end of the first limit rod 28 is separated from the first limit hole 211 of the top frame 21, the limit of the rotary table 25 is released, then the supporting plate 3 is adjusted by rotating the rotary table 25, after the adjustment is finished, the electromagnet 27 is closed, the first spring 281 can pull back the first limit rod 28, the first limit rod 28 is inserted into the corresponding first limit hole 211 to limit the rotary table 25, when the supporting plate 31 needs to be adjusted according to the supporting position, the second pin 39 is pulled downwards to drive the piston 391 to move downwards, so that air in the through groove 36 of the sliding block 35 is extracted, air pressure in the through groove 36 is reduced, the second limiting rod 37 is retracted into the through groove 36, the second limiting rod 37 is separated from the second limiting hole 34 in the inner wall of the second sliding groove 33, limitation on the sliding block 35 is removed, the supporting plate 31 slides along the second sliding groove 33, after the position of the supporting plate 31 is adjusted, the second pin 39 is loosened, the piston is pushed upwards by the second spring 392, air pressure in the through groove 36 is increased, the second limiting rod 37 is pushed outwards, the second limiting rod 37 is inserted into the corresponding second limiting hole 34, limitation is performed on the sliding block 35, the position of the supporting plate 31 is conveniently adjusted, and the supporting effect of the device is increased.

Referring to fig. 6-8 of the specification, in the multidirectional roadway supporting device according to this embodiment, an early warning device 11 is fixedly installed on an outer surface of a pillar 1, a base 12 is fixedly installed at a bottom end of the pillar 1, a movable frame 13 is sleeved on an outer surface of the pillar 1, side grooves 132 are formed in two sides of the inner portion of the movable frame 13, a first baffle ring 133 is fixedly installed at one end of the inner portion of the side grooves 132, a plurality of installation rods 14 are fixedly installed at the bottom end of the movable frame 13, a plurality of placing holes 17 are formed in an outer surface of the base 12, a bottom end of each installation rod 14 is matched with the placing holes 17, first bolts 15 are inserted into two sides of the movable frame 13, an inner block 16 is arranged in the movable frame 13, connecting blocks 131 are fixedly installed on two sides of an inner wall of the movable frame 13, the movable frame 13 is fixedly connected with the inner block 16 through the connecting blocks 131, a clamping block 151 is fixedly installed at one end of each first bolt 15, clamping grooves 161 are formed in two sides of the inner block 16, a magnetic block 162 is installed in the clamping groove 161, one end of the clamping block 151 is matched with one end of the pillar 1, a through hole 18 is matched with a through hole 19 is formed in the outer surface of the pillar 1, and a front sliding groove 19 of the sliding groove 19 are formed in the rear groove 19.

The implementation scenario is specifically as follows: when pillar 1 is installed, it is necessary to drill a hole at an installation position, then base 12 is placed at a fixed position, so that the position of placing hole 17 corresponds to the drilled hole, then first pins 15 at two sides of movable frame 13 are pulled outwards to drive fixture block 151 at one end to be separated from clamping groove 161 of inner block 16, the limitation of movable frame 13 is removed, then movable frame 13 is pushed downwards along first sliding groove 19, installation rod 14 at the bottom end is inserted into the drilled hole to fix pillar 1, when movable frame 13 moves to the bottom end of pillar 1, one end of fixture block 151 corresponds to through hole 18 below, at this time, fixture block 151 is attracted by magnetic force of magnetic block 162 inside clamping groove 161, fixture block 151 is driven to be inserted into clamping groove 161 to limit and fix movable frame 13, when movable frame 13 needs to be disassembled, movable frame 13 moves upwards to enable the bottom end of installation rod 14 to be inserted into placing hole 17, so that the safety of the transportation process is increased, during the use, early warning device 11 on pillar 1 can detect oxygen concentration within a range, and the safety of a mining process is increased.

The working principle is as follows: referring to fig. 1 to 5 of the specification, when the angle of the pallet 3 is adjusted, the electromagnet 27 in the inner groove 26 may be activated, the first limit rod 28 is attracted by the magnetic force of the electromagnet 27 to move inward, so that one end of the first limit rod 28 is separated from the first limit hole 211 of the upper frame 21, the limit of the turntable 25 is released, then the pallet 3 is adjusted by rotating the turntable 25, after the adjustment is completed, the electromagnet 27 is closed, the first spring 281 pulls back the first limit rod 28 to insert the first limit rod 28 into the corresponding first limit hole 211, so as to limit the turntable 25, when the support plate 31 needs to be adjusted according to the support position, the second bolt 39 is pulled downward to drive the piston 391 to move downward, so as to draw the air in the through groove 36 of the slider 35, reduce the air pressure in the through groove 36, so as to retract the second limit rod 37 into the through groove 36, so as to separate the second limit rod 37 from the second limit hole 34 in the inner wall of the second slide groove 33, so as to release the limit of the slider 35, and then the support plate 31 is adjusted along the second groove 33.

Referring to fig. 6-8 of the specification, when installing the pillar 1, a hole needs to be drilled at an installation position, then the base 12 is placed at a fixed position, so that the position of the placement hole 17 corresponds to the drilled hole, then the first pins 15 at two sides of the movable frame 13 are pulled outwards to drive the fixture block 151 at one end to be separated from the fixture slot 161 of the inner block 16, the limit of the movable frame 13 is released, then the movable frame 13 is pushed downwards along the first sliding slot 19, so that the installation rod 14 at the bottom end is inserted into the drilled hole, and the pillar 1 is fixed, when the movable frame 13 moves to the bottom end of the pillar 1, one end of the fixture block 151 corresponds to the through hole 18 below, at this time, the fixture block 151 is attracted by the magnetic force of the magnetic block 162 inside the fixture slot 161, the fixture block 151 is driven to be inserted into the fixture slot 161, the movable frame 13 is limited and fixed, and when the movable frame 13 needs to be detached, the movable frame 13 is moved upwards, so that the bottom end of the installation rod 14 is inserted into the placement hole 17.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a diversified tunnel strutting arrangement, includes pillar (1), its characterized in that: the supporting column is characterized in that a supporting rod (2) is arranged inside the supporting column (1), a supporting plate (3) is arranged at the top end of the supporting rod (2), an upper frame (21) is fixedly arranged on the outer surface of the top end of the supporting rod (2), a plurality of first limiting holes (211) are formed in the outer surface of the upper frame (21), an inner frame (22) is fixedly arranged inside the supporting column (1), a motor (23) is fixedly arranged at the bottom end of the inner frame (22), a screw rod (24) is arranged at the top end of the inner frame (22), an output shaft of the motor (23) is fixedly connected with the bottom end of the screw rod (24), the outer surface of the screw rod (24) is sleeved on the supporting rod (2), the screw rod (24) is in threaded connection with the supporting rod (2), a rotary table (25) is arranged inside the upper frame (21), the rotary table (25) is rotatably connected with the upper frame (21), the top end of the rotary table (25) is fixedly connected with the supporting plate (3), an electromagnet (26) is formed in one side of the inside of the rotary table (25), one end of the inner wall of the rotary table (26) is fixedly provided with a first limiting rod (28), and the other end of the first limiting ring (26) is provided with a first limiting hole (28) matched with the first limiting hole (211), one side cover that the surface of first gag lever post (28) is located second fender ring (29) is equipped with first spring (281), the top both sides of layer board (3) are provided with backup pad (31), second spout (33) have been seted up to the surface of layer board (3), the spacing hole of a plurality of second (34) have been seted up to the inner wall both sides of second spout (33), the bottom both sides of layer board (3) are provided with bottom tube (32).

2. The multi-azimuth roadway support apparatus of claim 1, wherein: the top fixed mounting of bottom tube (32) has slider (35), the top and backup pad (31) fixed connection of slider (35), backup pad (31) are through slider (35) and layer board (3) sliding connection, slider (35) and second spout (33) phase-match.

3. The multi-azimuth roadway support apparatus of claim 2, wherein: a through groove (36) is formed in the sliding block (35), the bottom pipe (32) is communicated with the through groove (36), second limiting rods (37) are arranged on two sides of the inside of the through groove (36), and one end of each second limiting rod (37) is matched with the corresponding second limiting hole (34).

4. The multi-azimuth roadway support apparatus of claim 3, wherein: the inside bottom fixed mounting of bottom tube (32) has third fender ring (38), the inside of bottom tube (32) is provided with second bolt (39), the surface at second bolt (39) is established in third fender ring (38), the one end fixed mounting of second bolt (39) has piston (391), the surface of second bolt (39) is located the below cover of piston (391) and is equipped with second spring (392).

5. The multi-azimuth roadway support device of claim 1, wherein: the outer fixed surface of pillar (1) installs early warning device (11), the bottom fixed mounting of pillar (1) has base (12), the top cover that the surface of pillar (1) is located base (12) is equipped with removes frame (13), side channel (132) have been seted up to the inside both sides of removing frame (13), the inside one end fixed mounting of side channel (132) has first fender ring (133).

6. The multi-azimuth roadway support apparatus of claim 5, wherein: the bottom end of the moving frame (13) is fixedly provided with a plurality of mounting rods (14), the outer surface of the base (12) is provided with a plurality of placing holes (17), and the bottom ends of the mounting rods (14) are matched with the placing holes (17).

7. The multi-azimuth roadway support apparatus of claim 6, wherein: first bolts (15) are inserted into two sides of the moving frame (13), and an inner block (16) is arranged inside the moving frame (13).

8. The multi-azimuth roadway support apparatus of claim 7, wherein: the inner wall both sides fixed mounting who removes frame (13) has connecting block (131), remove frame (13) and interior piece (16) fixed connection through connecting block (131).

9. The multi-azimuth roadway support apparatus of claim 8, wherein: one end fixed mounting of first bolt (15) has fixture block (151), draw-in groove (161) have been seted up to the inside both sides of interior piece (16), the internally mounted of draw-in groove (161) has magnetic path (162), the one end and the draw-in groove (161) phase-match of fixture block (151).

10. The multi-azimuth roadway support apparatus of claim 9, wherein: through-hole (18) have been seted up to the surface both sides of pillar (1), the one end and the through-hole (18) phase-match of fixture block (151), first spout (19) have been seted up to the surface around pillar (1), connecting block (131) and first spout (19) phase-match.