CN212054754U

CN212054754U - Outburst prevention device for coal mine underground coal roadway tunneling and drilling construction

Info

Publication number: CN212054754U
Application number: CN202020586652.9U
Authority: CN
Inventors: 桑茂; 杨开荣; 陶永友
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-01
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a colliery is coal road tunnelling drilling construction prevents abrupt device in pit, including braced frame, braced frame includes support column and supporting beam, the lateral wall fixedly connected with bearing frame of support column, the one end threaded connection that the bearing frame was kept away from to the transverse regulation pole has the cross to rotate the ejector pin, the right-hand member threaded connection that the cross rotated the ejector pin has the transverse regulation pole, the outer anchor ring fixedly connected with of shown first bearing and second bearing prevents abrupt ceiling, the left end of preventing abrupt ceiling is provided with streamlined edge down, the concave groove has been seted up to the right-hand member of preventing abrupt ceiling, run through around the concave groove, sliding connection has in the concave groove prevents abrupt ceiling inserted block. Through setting up the outburst-proof ceiling and preventing outburst ceiling inserted block for the protective surface of ceiling can be adjusted, through setting up horizontal adjusting rod and cross rotation ejector pin, can rotate the length of ejector pin regulation horizontal adjusting rod through the rotation cross, adjusts the distance between the two sides braced frame, the tight wall of the lane of controlling two sides in top.

Description

Outburst prevention device for coal mine underground coal roadway tunneling and drilling construction

Technical Field

The utility model relates to a coal mining technical field specifically is a colliery coal road tunnelling drilling construction prevents suddenly device.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine.

The coal mine is determined as a outburst coal mine as long as one time of coal and gas outburst occurs in the mining process of the mine, the outburst coal seam is determined as an outburst coal seam, when a coal roadway in the outburst coal seam is tunneled, the first work is construction drilling, outburst accidents are often caused by the construction outburst drilling during the construction outburst drilling, and when the existing device is used for drilling, the requirement that workers can drill holes simultaneously in multiple angles cannot be met, and the shortcoming that the structure is difficult to move and adjust exists.

Therefore, the outburst prevention device for coal mine underground coal roadway tunneling and drilling construction is needed.

Disclosure of Invention

An object of the utility model is to provide a colliery is coal road tunnelling drilling construction prevents suddenly device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the outburst prevention device for coal roadway tunneling and drilling construction in a coal mine comprises a supporting frame, wherein the supporting frame comprises a supporting column and a supporting cross beam, a bearing seat is fixedly connected to the side wall of the supporting column, a transverse adjusting rod is rotatably connected to the other end of the bearing seat, an external thread is arranged on the surface of one end, away from the bearing seat, of the transverse adjusting rod, a cross rotating ejector rod is in threaded connection with one end, away from the bearing seat, of the transverse adjusting rod, a layer of anti-slip rubber sleeve is wrapped on the surfaces of the upper end and the lower end of the cross rotating ejector rod, an internal thread hole is embedded in the right end of the cross rotating ejector rod, a transverse adjusting rod is in threaded connection with the right end of the cross rotating ejector rod, a first bearing and a second bearing are fixedly connected to the front end and the rear end of the supporting, the right end of the anti-protrusion ceiling is provided with a concave groove which penetrates through the front and the back, an anti-protrusion ceiling inserting block is connected in the concave groove in a sliding mode, and the bottom end of the anti-protrusion ceiling inserting block is rotatably connected with a second supporting cross beam.

Preferably, the support column is provided with two in front and back, two the surface of support column has all been laid and has been prevented protruding metal sheet, the bottom of preventing protruding metal sheet all is provided with the spacing of being used for supporting tight structure and inserts the sign, prevent protruding metal sheet's surface and evenly seted up a plurality of outburst-proof process holes that are used for the tunnelling drilling.

Preferably, the number of the bearing seats is eight, the eight bearing seats are all rotatably connected with transverse adjusting rods, the two transverse adjusting rods form a group, and the transverse adjusting rods are in threaded connection with cross rotating ejector rods.

Preferably, the lower end of the anti-protruding ceiling is embedded with a threaded jackscrew for adjusting and braking an anti-protruding ceiling insert block.

Preferably, both ends of the second supporting beam are fixedly connected with a third bearing and a fourth bearing, outer annular surfaces of the third bearing and the fourth bearing are fixedly connected with an anti-protruding ceiling insert block, and the bottom end of the second supporting beam is fixedly connected with a second supporting column.

Preferably, the bottom of support column and second support column all is provided with the universal wheel that is used for moving the structure, the top of universal wheel is provided with the braking service brake of looks adaptation with it.

Advantageous effects

The utility model provides a colliery is coal road tunnelling drilling construction outburst prevention device in pit possesses following beneficial effect:

1. this colliery is coal roadway tunnelling drilling construction prevents protruding device through setting up the bearing frame, first bearing and second bearing for braced frame can adjust with the angle on ground, laminating lane wall, through setting up protruding roof and the protruding roof inserted block of preventing, makes the protection area of roof can enlarge or reduce, through setting up horizontal adjusting rod and cross rotation ejector pin, can rotate the length of ejector pin regulation horizontal adjusting rod through rotating the cross, adjust the distance between the braced frame of two sides, the tight wall of lane of two sides about the top.

2. This colliery is coal road tunnelling drilling construction prevents abrupt device, through setting up the screw thread jackscrew, can be after preventing abrupt ceiling and preventing abrupt ceiling inserted block regulation, fix preventing abrupt ceiling inserted block, through setting up the universal wheel, brake the foot brake, can be when the construction is gone on conveniently to the removal of structure, the position of adjustment construction, insert the sign through setting up spacing, can prevent when taking place to stand out, prevent the structure from moving, through setting up and preventing abrupt metal sheet and preventing protruding fabrication hole, can carry out a certain amount of fixedly to the tunnel wall, prevent the emergence of outstanding accident, guarantee workman's construction safety.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is the left side of the utility model discloses cut open the structure sketch map.

In the figure: the device comprises a support column 1, a support beam 2, a bearing seat 3, a transverse adjusting rod 4, a cross rotating ejector rod 5, a first bearing 6, a universal wheel 7, an anti-protrusion ceiling 8, a concave groove 9, an anti-protrusion ceiling insert block 10, a second support beam 11, a second support column 12, an anti-protrusion metal plate 13, a limiting insert tag 14, an anti-protrusion processing hole 15 and a threaded jackscrew 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a colliery is coal road tunnelling drilling construction outburst prevention device in pit, includes braced frame, and braced frame includes support column 1 and supporting beam 2. Support column 1 is provided with two from beginning to end, two protruding metal sheet 13 of preventing has all been laid on the surface of two support columns 1, the bottom of preventing protruding metal sheet 13 all is provided with the spacing sign 14 of inserting that is used for supporting tight structure, through setting up spacing sign 14 of inserting, can prevent when taking place outstanding, prevent the structure removal, a plurality of protruding process holes 15 of preventing that are used for tunnelling drilling have evenly been seted up on the surface of preventing protruding metal sheet 13, through setting up protruding metal sheet 13 and preventing protruding process hole 15, can carry out a certain amount of fixedly to the wall of the roadway, prevent the emergence of outstanding accident, guarantee workman's construction safety.

Lateral wall fixedly connected with bearing frame 3 of support column 1, the other end of bearing frame 3 is rotated and is connected with transverse adjusting rod 4, the surface that transverse adjusting rod 4 kept away from 3 one end of bearing frame is provided with the external screw thread, the one end threaded connection that transverse adjusting rod 4 kept away from bearing frame 3 has cross rotation ejector pin 5, the surface of the upper end of cross rotation ejector pin 5 and lower extreme has all wrapped up one deck anti-skidding rubber sleeve, the right-hand member that cross rotation ejector pin 5 inlayed and is equipped with the internal thread hole, the right-hand member threaded connection that cross rotation ejector pin 5 has transverse adjusting rod 4, bearing frame 3 has eight, eight bearing frame 3 all rotate and are connected with transverse adjusting rod 4, transverse adjusting rod 4 two.

The front end and the rear end of the supporting beam 2 are fixedly connected with a first bearing 6 and a second bearing, the angle between the supporting frame and the ground can be adjusted by arranging a bearing seat 3, the first bearing 6 and the second bearing, the roadway wall surface is attached, the outer annular surfaces of the first bearing 6 and the second bearing are fixedly connected with an anti-outburst ceiling 8, the left end of the anti-outburst ceiling 8 is provided with a streamline lower edge, the right end of the anti-outburst ceiling 8 is provided with a concave groove 9, the concave groove 9 penetrates through the front and the rear part, an anti-outburst ceiling insert 10 is connected in the concave groove 9 in a sliding manner, the lower end of the anti-outburst ceiling 8 is embedded with a threaded jackscrew 16 for adjusting and braking the anti-outburst ceiling insert 10, the anti-outburst ceiling insert 10 can be fixed by arranging the threaded jackscrew 16 after the anti-outburst ceiling 8 and the anti-outburst ceiling insert 10 are adjusted, the bottom end of the anti-outb, outer annular surface fixed connection of third bearing and fourth bearing prevents protruding ceiling inserted block 10, the bottom fixedly connected with second support column 12 of second supporting beam 11, through setting up protruding ceiling 8 and protruding ceiling inserted block 10 of preventing, make the protection area of ceiling can enlarge or reduce, through setting up horizontal adjusting rod 4 and cross rotation ejector pin 5, can rotate the length that ejector pin 5 adjusted horizontal adjusting rod 4 through rotating the cross, adjust the distance between the two sides braced frame, prop up the tight wall of the lane of two sides about.

The bottom of support column 1 and second support column 12 all is provided with universal wheel 7 that is used for moving the structure, and the top of universal wheel 7 is provided with the braking service brake of looks adaptation with it, through setting up universal wheel 7, braking service brake, can be when the construction goes on conveniently to the removal of structure, the position of adjustment construction.

The working principle is as follows: when the outburst prevention device for coal roadway tunneling and drilling construction in a coal mine is used, firstly, two corresponding support frames are placed into a mine, an outburst prevention ceiling 8 and an outburst prevention ceiling insertion block 10 are correspondingly inserted, a cross rotating ejector rod 5 is used for connecting a transverse adjusting rod 4 in a threaded mode left and right, the structure is assembled, the cross rotating ejector rod 5 is adjusted to enable the volume of the structure to be reduced to be minimum, the structure is pushed into a coal roadway to be constructed through a universal wheel 7, one side of an outburst prevention metal plate 13 is attached to the roadway wall, the cross rotating ejector rod 5 is rotated by one end of an anti-skid rubber sleeve, the outburst prevention metal plates 13 on two sides are both abutted to the roadway wall, a threaded top wire 16 is screwed, a braking foot is pressed, a limiting insertion tag 14 is abutted, outburst prevention stability of the structure is improved in multiple aspects, drilling construction is carried out on the roadway wall through an outburst prevention processing hole 15 embedded in the outburst prevention metal plate 13, a plurality of outburst, the drilling position can be adjusted many times in the process of drilling in construction, and the safety of construction workers is guaranteed while outburst prevention construction is completed quickly.

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

1. The utility model provides a colliery is coal road tunnelling drilling construction outburst prevention device in pit, includes braced frame, its characterized in that: the supporting frame comprises a supporting column (1) and a supporting cross beam (2), a bearing seat (3) is fixedly connected to the side wall of the supporting column (1), a transverse adjusting rod (4) is rotatably connected to the other end of the bearing seat (3), external threads are arranged on the surface of one end, far away from the bearing seat (3), of the transverse adjusting rod (4), a cross rotating ejector rod (5) is in threaded connection with one end, far away from the bearing seat (3), of the transverse adjusting rod (4), anti-skidding rubber sleeves are wrapped on the surfaces of the upper end and the lower end of the cross rotating ejector rod (5), an internal threaded hole is embedded in the right end of the cross rotating ejector rod (5), the transverse adjusting rod (4) is in threaded connection with the right end of the cross rotating ejector rod (5), a first bearing (6) and a second bearing are fixedly connected to the front end and the rear end of the supporting cross beam (2), and an anti, the left end of the outburst-prevention ceiling (8) is provided with a streamline lower edge, a concave groove (9) is formed in the right end of the outburst-prevention ceiling (8), the concave groove (9) runs through the front and the back, an outburst-prevention ceiling inserting block (10) is connected in the concave groove (9) in a sliding mode, and the bottom end of the outburst-prevention ceiling inserting block (10) is rotatably connected with a second supporting cross beam (11).

2. The coal mine underground coal roadway tunneling and drilling construction outburst prevention device according to claim 1, which is characterized in that: the anti-outburst drilling tool is characterized in that the supporting columns (1) are provided with a front part and a rear part, the surface of each supporting column (1) is paved with an anti-outburst metal plate (13), the bottoms of the anti-outburst metal plates (13) are provided with limiting inserting sticks (14) used for abutting against a tight structure, and the surface of each anti-outburst metal plate (13) is evenly provided with a plurality of anti-outburst processing holes (15) used for tunneling and drilling.

3. The coal mine underground coal roadway tunneling and drilling construction outburst prevention device according to claim 1, which is characterized in that: the bearing seat (3) has eight, eight bearing seat (3) all rotates and is connected with horizontal adjusting rod (4), horizontal adjusting rod (4) two are a set of, and a set of horizontal adjusting rod (4) threaded connection has cross and rotates ejector pin (5).

4. The coal mine underground coal roadway tunneling and drilling construction outburst prevention device according to claim 1, which is characterized in that: the lower end of the anti-protruding ceiling (8) is embedded with a threaded jackscrew (16) for adjusting and braking the anti-protruding ceiling insert (10).

5. The coal mine underground coal roadway tunneling and drilling construction outburst prevention device according to claim 1, which is characterized in that: the two ends of the second supporting beam (11) are fixedly connected with a third bearing and a fourth bearing, the outer ring surfaces of the third bearing and the fourth bearing are fixedly connected with an anti-protruding ceiling insert block (10), and the bottom end of the second supporting beam (11) is fixedly connected with a second supporting column (12).

6. The coal mine underground coal roadway tunneling and drilling construction outburst prevention device according to claim 1, which is characterized in that: the bottom of support column (1) and second support column (12) all is provided with universal wheel (7) that are used for moving the structure, the top of universal wheel (7) is provided with the braking service brake of looks adaptation with it.