1. The utility model provides a colliery is air bridge construction equipment in pit, includes air bridge ware (1), mobile device (2), jack fixing device (3), extends fixer (4), the inside removal of air bridge and roof fixing device (5), fixed mounting has mobile device (2) on the basal surface of air bridge ware (1), fixedly connected with jack fixing device (3) on the surface of the both sides of air bridge ware (1), fixedly connected with extends fixer (4) on the surface of air bridge ware (1), extend one of fixer (4) and serve fixedly connected with roof fixing device (5), its characterized in that: the inner surface of the jack fixing device (3) is fixedly connected with a connecting block (34);

a sliding rail (33) is fixedly connected to the outer surface of the connecting block (34), and a drilling device (35) is fixedly connected to the inner surface of the sliding rail (33);

fixedly connected with rigging board (51) on the surface of roof fixing device (5), square groove has been seted up on the surface of rigging board (51), square groove's inside fixedly connected with brill hole ware (52).

2. The underground coal mine air bridge construction equipment according to claim 1, which is characterized in that: fixedly connected with extends post (351) on the output of perforator (35), fixedly connected with rubber jacket layer on the surface of extending post (351), extend one of post (351) and serve fixedly connected with and extend the drilling rod, extend one of drilling rod and serve fixedly connected with drill bit (352), fixedly connected with drill bit (353) on the surface of drill bit (352), demonstrate the plane on the top of drill bit (353), be provided with the trombone drill bit around drill bit (353), the even round all around of drill bit (352) of surrounding of trombone drill bit, fixedly connected with protects outward on the surface of perforator (35) and pastes floor (354), the one end laminating of outer protecting and pasting floor (354) is on the ground surface.

3. The underground coal mine air bridge construction equipment according to claim 1, which is characterized in that: fixedly connected with extension rod (521) on the internal surface of brill ware (52) one end, one of extension rod (521) serves fixedly connected with and advances head (522), fixedly connected with fixed head (523) on the surface of advancing head (522), fixedly connected with triangular drill sword (524) on the surface of fixed head (523), the one end fixed connection of fixed head (523) is on the surface of advancing head (522), interconnect is in the same place between the one end of triangular drill sword (524), the shape of fixed head (523) presents the circular cone type.

4. The underground coal mine air bridge construction equipment according to claim 1, which is characterized in that: fixedly connected with linking arm (21) on the surface of mobile device (2), one of linking arm (21) serves auxiliary runner of fixedly connected with (22), the fixed buffer of fixedly connected with (23) on the surface of mobile device (2), the fixed cutting ferrule that has cup jointed on the surface of fixed buffer (23), one of fixed buffer (23) serves fixedly connected with fixed block (24), one of fixed block (24) serves fixedly connected with main wheel (25), the resistance to compression track has been cup jointed on the surface of main wheel (25), the fixedly connected with connecting rod on the surface of fixed block (24), the one end fixed connection of connecting rod is on the surface of linking arm (21), fixedly connected with pushes down support column (26) on the surface of mobile device (2).

5. The underground coal mine air bridge construction equipment according to claim 1, which is characterized in that: extend the fixed cover shell (41) of fixedly connected with on the surface of fixer (4), the inside swing joint that extends fixer (4) has extension post two (42), it is provided with square groove on the surface to extend post two (42) and extend fixer (4), it is provided with the lug on the both sides surface of post two (42) to extend, be provided with interior lug on the internal face of extending fixer (4).

6. The underground coal mine air bridge construction equipment according to claim 1, which is characterized in that: fixedly connected with connecting plate (31) on the both sides surface of jack fixing device (3), fixedly connected with button head slider (32) on the internal face of jack fixing device (3), sliding rail (33) sliding connection is on the surface of button head slider (32).

7. The underground coal mine air bridge construction equipment according to claim 1, which is characterized in that: an inner connecting plate (53) is fixedly connected to the inner surface of the top wall fixing device (5), and a fan (54) is fixedly connected to the inner surface of the top wall fixing device (5).

8. A colliery is air bridge construction equipment in pit which characterized in that: the method comprises the following steps:

moving an air bridge in a dug tunnel inner part, and fixing the air bridge at a specified position;

step two, opening the fixing devices on the two sides of the air bridge device, and punching and fixing through the fixing devices in the fixing devices;

and step three, lifting the covering plate upwards to cover the rock wall at the top of the tunnel, and drilling and fixing the rock wall through a drilling machine on the covering plate.

Background

The air bridge in the tunnel needs to meet daily transportation needs, and reinforcement in different degrees can be carried out through the fixed sealed mode of dotting post, wood buttress and top in the air bridge lower part. The following problems exist in the prior art:

1. the existing air bridge is frequently impacted by broken stones on a rock wall when bottom punching and fixing are carried out, and the problem that a drill rod of a hole puncher is damaged differently during impact according to different sizes of the broken stones is solved;

2. traditional air bridge utilizes the bracing piece to support the backplate when protecting the top, and the position of bracing piece can not be close to in the middle of, otherwise can cause road transport's hindrance, if be close to both sides, then can cause middle pressure too big, has the danger of collapsing.

Disclosure of Invention

The invention provides a coal mine underground air bridge construction device and a construction method, wherein one purpose is to protect the outer surface of a bottom drilling device and solve the problem that broken stones can damage a drill rod of the drilling device; wherein another kind of purpose is in order to solve the position of bracing piece and can not be close to the centre, also can not be close to both sides, can have the problem of collapsing and blockking the goods to reach and fix the effect at the cliff top with the backplate.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a colliery is air bridge construction equipment in pit, includes air bridge ware, mobile device, jack fixing device, extends fixer, the inside removal of air bridge and roof fixing device, fixed mounting has the mobile device on the basal surface of air bridge ware, fixedly connected with jack fixing device on the surface of the both sides of air bridge ware, fixedly connected with extends the fixer on the surface of air bridge ware, it serves one fixedly connected with roof fixing device of fixer to extend, fixedly connected with connecting block on the internal surface of jack fixing device.

The outer surface of the connecting block is fixedly connected with a sliding rail, and the inner surface of the sliding rail is fixedly connected with a drilling device.

Fixedly connected with attaching plate on roof fixing device's the surface, square groove has been seted up on attaching plate's the surface, square groove's inside fixedly connected with ware of boring.

The technical scheme of the invention is further improved as follows: fixedly connected with extends post one on the output of perforator, fixedly connected with rubber jacket layer on the surface of extending post one, extend one of post one and serve fixedly connected with and extend the drilling rod, extend one of drilling rod and serve fixedly connected with drill bit, fixedly connected with drill bit on the surface of drill bit, demonstrate the plane on the top of drill bit, be provided with the trombone drill bit around the drill bit, the even round all around of boring head of centering on of trombone drill bit, fixedly connected with protects the floor outward on the surface of perforator, the one end laminating on the floor is protected outward on the ground surface.

The technical scheme of the invention is further improved as follows: fixedly connected with extension rod on the internal surface of brill hole ware one end, fixedly connected with propulsion head is served to one of extension rod, fixedly connected with fixed head on the surface of propulsion head, fixedly connected with triangle drill on the surface of fixed head, the one end fixed connection of fixed head is on the surface of propulsion head, interconnect is in the same place between the one end of triangle drill, the shape of fixed head demonstrates the circular cone type.

The technical scheme of the invention is further improved as follows: fixedly connected with linking arm on mobile device's the surface, the supplementary runner of one of serving fixedly connected with of linking arm, the fixed buffer of fixedly connected with on mobile device's the surface, the fixed cutting ferrule that has cup jointed on the surface of fixed buffer, the one of fixed buffer serves fixedly connected with fixed block, one of fixed block serves fixedly connected with main wheel, the resistance to compression track has been cup jointed on the surface of main wheel, fixedly connected with connecting rod on the surface of fixed block, the one end fixed connection of connecting rod is on the surface of linking arm, fixedly connected with pushes down the support column on mobile device's the surface.

The technical scheme of the invention is further improved as follows: the fixing sleeve shell is fixedly connected to the outer surface of the extension fixer, the extension fixer is movably connected to the extension column II, square grooves are formed in the surfaces of the extension column II and the extension fixer, protruding blocks are arranged on the outer surfaces of the two sides of the extension column II, and inner protruding blocks are arranged on the inner wall surface of the extension fixer.

The technical scheme of the invention is further improved as follows: the jack fixing device is characterized in that connecting plates are fixedly connected to the outer surfaces of two sides of the jack fixing device, a round-head slider is fixedly connected to the inner wall surface of the jack fixing device, and the sliding rail is connected to the outer surface of the round-head slider in a sliding mode.

The technical scheme of the invention is further improved as follows: the inner surface of the top wall fixing device is fixedly connected with an inner connecting plate, and the inner surface of the top wall fixing device is fixedly connected with a fan.

A coal mine underground air bridge construction device applied to the coal mine underground air bridge construction device of any one of claims 1 to 7, comprising the following steps:

moving an air bridge in a dug tunnel inner part, and fixing the air bridge at a specified position;

step two, opening the fixing devices on the two sides of the air bridge device, and punching and fixing through the fixing devices in the fixing devices;

and step three, lifting the covering plate upwards to cover the rock wall at the top of the tunnel, and drilling and fixing the rock wall through a drilling machine on the covering plate.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a coal mine underground air bridge construction device and a construction method, which adopt the matching among a sliding rail, a jack fixing device, an outer protecting floor, a drill bit and an extension column I, slide on the inner surface of the jack fixing device through the sliding rail, match one end of the outer protecting floor to be attached to the bottom surface, fix the outer surface by the outer protecting floor to be protected at any time, drill holes on the ground through the drill bit, and extend downwards by matching with the extension column I.

2. The invention provides a coal mine underground air bridge construction device and a construction method, which adopt the matching among a triangular drill cutter, a fixing head, an extension rod, a propelling head, a drilling device, an extension fixer and a top wall fixing device, drill at the top of cliff through the triangle boring cutter, shake off the rubble of inside through the space between triangle boring cutter and the fixed head, the cooperation extends the pole and extends advancing the head, the inside at the cliff is fixed to the rethread brill ware, the rubble that the arc of cooperation fitting plate will brill the hole ware and bore and fall gets off to both sides landing, the rethread extends the fixer and carries out the auxiliary stay to top wall fixing device's bottom, the characteristics of fixing top wall fixing device in the cliff bottom have been possessed, the position of solution bracing piece can not be close to in the middle of, also can not be close to both sides, can have the problem of collapsing and blockking the goods, in order to reach the effect of fixing the backplate at the cliff top.

3. The invention provides a coal mine underground air bridge construction device and a construction method, wherein an extension fixer and a second extension column are matched, square grooves are formed in the surfaces of the extension fixer and the second extension column, and square bumps arranged on the surfaces of the extension fixer and the second extension column are mutually attached and connected, so that the contact area between the extension fixer and the second extension column is increased, the stability between the second extension columns is increased through a concave-convex object, the characteristics of increasing the contact area and the stability between extension rods are achieved, the problem of insufficient stability between traditional cylindrical extension rods is solved, and the effects of increasing the stability and the contact area of the extension rods are achieved.

4. The invention provides a construction device and a construction method of an underground coal mine air bridge.

Drawings

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

FIG. 2 is a schematic diagram of a mobile device according to the present invention;

FIG. 3 is a schematic view of an extension fixture according to the present invention;

FIG. 4 is a schematic view of the structure of the jack fixing device of the present invention;

FIG. 5 is a schematic view of the drill of the present invention;

FIG. 6 is a schematic view of the top wall fixture of the present invention;

FIG. 7 is a schematic view of the structure of the drilling device of the present invention;

fig. 8 is a flow chart of the operation of the present invention.

In the figure: 1. an air bridge device; 2. a mobile device; 21. a connecting arm; 22. an auxiliary runner; 23. a fixed buffer; 24. a fixed block; 25. a main wheel; 26. pressing the support pillar; 3. a jack fixing device; 31. a connecting plate; 32. a round head slider; 33. a sliding rail; 34. connecting blocks; 35. a drill; 351. extending the first column; 352. drilling a hole head; 353. a drill bit; 354. the outer protective sticking floor; 4. an extension fixture; 41. fixing the casing; 42. a second extending column; 5. a top wall fixture; 51. attaching a plate; 52. drilling a hole device; 521. an extension rod; 522. a pusher head; 523. a fixed head; 524. a triangular drill; 53. an inner connecting plate; 54. a fan.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-8, the invention provides a coal mine underground air bridge construction device, which comprises an air bridge device 1, a moving device 2, a jack fixing device 3, an extension fixer 4, an air bridge internal moving and top wall fixing device 5, wherein the moving device 2 is fixedly installed on the bottom surface of the air bridge device 1, the jack fixing devices 3 are fixedly connected on the outer surfaces of two sides of the air bridge device 1, the extension fixer 4 is fixedly connected on the outer surface of the air bridge device 1, and a connecting block 34 is fixedly connected on the inner surface of the jack fixing device 3 of the top wall fixing device 5 on one end of the extension fixer 4.

In this embodiment, on moving device 2 removes suitable position to air bridge ware 1, cooperation jack fixing device 3 drills downwards, fixes air bridge ware 1, and the cooperation is extended fixer 4 and is carried out ascending extension to top wall fixing device 5, and cooperation top wall fixing device 5 is fixed to the top part.

As shown in fig. 1 to 8, in this embodiment, it is preferable that a connecting arm 21 is fixedly connected to an outer surface of the mobile device 2, an auxiliary rotating wheel 22 is fixedly connected to one end of the connecting arm 21, a fixed buffer 23 is fixedly connected to an outer surface of the mobile device 2, a ferrule is fixedly connected to an outer surface of the fixed buffer 23, a fixed block 24 is fixedly connected to one end of the fixed buffer 23, a main wheel 25 is fixedly connected to one end of the fixed block 24, a compression-resistant crawler belt is sleeved on an outer surface of the main wheel 25, a connecting rod is fixedly connected to an outer surface of the fixed block 24, one end of the connecting rod is fixedly connected to an outer surface of the connecting arm 21, a compression-resistant supporting column 26 is fixedly connected to an outer surface of the mobile device 2, the crawler belt on the outer surface is driven to move by the main wheel 25, the auxiliary rotating wheel 22 is used to assist the periphery of the crawler belt, and the connecting arm 21, the auxiliary rotating wheel is used to cooperate with the connecting arm 21, The fixed buffer 23 and the fixed block 24 are connected with each other, so that the main wheel 25 and the auxiliary rotating wheel 22 are connected, and then the movable device 2 is protected by downwards extending and fixing the downwards pressing support column 26.

Example 2

As shown in fig. 1 to 8, on the basis of embodiment 1, the present invention provides the following technical solutions: preferably, the outer surfaces of two sides of the jack fixing device 3 are fixedly connected with the connecting plates 31, the inner wall surface of the jack fixing device 3 is fixedly connected with the round-head sliders 32, the sliding rails 33 are slidably connected with the outer surfaces of the round-head sliders 32, the outer surface of the connecting block 34 is fixedly connected with the sliding rails 33, the inner surface of the sliding rails 33 is fixedly connected with the borer 35, the output end of the borer 35 is fixedly connected with the extension column 351, the outer surface of the extension column 351 is fixedly connected with the rubber sleeve layer, one end of the extension column 351 is fixedly connected with the extension drill rod, one end of the extension drill rod is fixedly connected with the drill bit 352, the outer surface of the drill bit 352 is fixedly connected with the drill bit 353, the top end of the drill bit 353 presents a plane, the small-size drill bits are arranged around the drill bit 353, the small-size drill bits uniformly surround the drill bit 352 by one circle, the outer protection floor 354 is fixedly connected with the outer surface of the borer 35, the one end laminating of outer guard paste floor 354 is on the ground surface, slides on jack fixing device 3's internal surface through sliding rail 33, and the one end laminating of cooperation outer guard paste floor 354 is on the basal surface, utilizes outer guard paste floor 354 to fix on the external surface and protects at any time, drills subaerial through drill bit 353, and the cooperation extends a post 351 and extends downwards, has reached the effect of protecting the rubble of external world.

Example 3

As shown in fig. 1 to 8, on the basis of embodiment 1, the present invention provides the following technical solutions: preferably, an inner joint plate 53 is fixedly connected to the inner surface of the top wall fixing device 5, a fan 54 is fixedly connected to the inner surface of the top wall fixing device 5, an attachment plate 51 is fixedly connected to the outer surface of the top wall fixing device 5, a square groove is formed in the outer surface of the attachment plate 51, a drilling device 52 is fixedly connected to the inside of the square groove, an extension rod 521 is fixedly connected to the inner surface of one end of the drilling device 52, a pushing head 522 is fixedly connected to one end of the extension rod 521, a fixing head 523 is fixedly connected to the outer surface of the pushing head 522, a triangular drill 524 is fixedly connected to the outer surface of the fixing head 523, one end of the fixing head 523 is fixedly connected to the outer surface of the pushing head 522, one ends of the triangular drill 524 are connected to each other, the fixing head 523 is conical in shape, a hole is drilled at the top of the rock wall by the triangular drill 524, the crushed stones inside are shaken off by a gap between the triangular drill 524 and the fixing head 523, cooperation extension rod 521 extends propulsion head 522, and rethread drilling ware 52 is fixed in the inside of cliff, and the rubble that drilling ware 52 bored to fall of cooperation fitting plate 51's arc gets off to both sides landing, and rethread extension fixer 4 carries out auxiliary stay to the bottom of parietal fixing device 5 to reach and fix the effect at the cliff top with the backplate.

Example 4

As shown in fig. 1 to 8, on the basis of embodiment 1, the present invention provides the following technical solutions: preferably, extend the fixed cover shell 41 of fixedly connected with on the surface of fixer 4, the inside swing joint that extends fixer 4 has extension post two 42, extend post two 42 and extend fixer 4 be provided with square groove on the surface, be provided with the lug on the both sides surface of extension post two 42, be provided with interior lug on the internal face of extension fixer 4, through offering square recess on the surface at extension fixer 4 and extension post two 42, rethread extends fixer 4 and extends post two 42 and laminates each other between the square lug that sets up on the surface and connects, increased the area of contact between fixer 4 and the extension post two 42, increase the stability between the extension post two 42 through unsmooth thing, the effect of increasing extension rod stability and area of contact has been reached.

Example 5

As shown in FIGS. 1 to 8, the invention provides a coal mine underground air bridge construction method, which comprises the following steps:

moving the air bridge in the excavated tunnel inner part, and fixing the air bridge at a specified position.

And step two, opening the fixing devices on the two sides of the air bridge device, and punching and fixing through the fixing devices in the fixing devices.

And step three, lifting the covering plate upwards to cover the rock wall at the top of the tunnel, drilling and fixing the rock wall through a drilling machine on the covering plate, moving the air bridge in the dug tunnel inner part, fixing the air bridge at a specified position, opening fixing devices on two sides of the air bridge, extending out a fixing device inside the fixing device, punching and fixing the air bridge, lifting the covering plate upwards to cover the rock wall at the top of the tunnel, and drilling and fixing the rock wall through the drilling machine on the covering plate.

The working principle of the underground coal mine air bridge construction equipment and the construction method is described in detail below.

As shown in fig. 1 to 8, the air bridge device is moved to a proper position, the air bridge device slides on the inner surface of the jack fixing device 3 through the sliding rail 33, one end of the outer protective adhesive floor 354 is attached to the bottom surface, the outer protective adhesive floor 354 is fixed on the outer surface and is protected at any time, a drill bit 353 is used for drilling a hole in the ground, the extension column 351 is matched to extend downwards, a triangular drill 524 is used for drilling the top of the rock wall, the inner broken stones are shaken off through a gap between the triangular drill 524 and the fixing head 523, the extension rod 521 is matched to extend the pushing head 522, the pushing head is fixed in the rock wall through the boring device 52, the broken stones drilled by the boring device 52 slide down to two sides through the arc of the attachment plate 51, and the bottom of the top wall fixing device 5 is supported by the extension fixer 4.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.