CN214576726U

CN214576726U - Deep-buried coal seam gas extraction drilling device

Info

Publication number: CN214576726U
Application number: CN202120708745.9U
Authority: CN
Inventors: 宁望辅
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-02
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a bury coal seam gas drainage drilling equipment deeply, including rig substructure main part, the upper end fixed mounting of rig substructure main part left end has rig unable adjustment base, both ends fixed mounting has rig side fixer around rig unable adjustment base upper end, the middle part fixed mounting of rig unable adjustment base upper end has the rig driver, rig driver and rig side fixer fixed connection, the transmission end movable mounting of rig driver has the rotatory screw rod that punches. This bury coal seam gas drainage drilling equipment deeply, inert gas aerifys the protective layer and packs the inert gas after, the body volume can enlarge and laminate with the coal seam, seals the coal seam hole reality, reaches the effect that blocks the gas leakage, if the condition of blasting takes place, inert gas can lead to gas explosion concentration range, this inert gas aerifys the better life safety who has protected the constructor of protective layer and also reduces the economic loss of construction simultaneously for constructor's the safety of the lives and property obtains the guarantee.

Description

Deep-buried coal seam gas extraction drilling device

Technical Field

The utility model relates to a gas takes out and adopts drilling technical field, specifically is a bury coal seam gas and take out and adopt drilling equipment deeply.

Background

The coal mine gas extraction is to drill a coal seam and a gas gathering area, connect a drill hole on a special pipeline, and extract gas in the coal seam and a goaf to the ground by using extraction equipment for utilization; or the extracted gas is discharged into the total return air flow, and the extracted gas not only is an important measure for reducing the gas emission amount in the mining process, preventing the gas from exceeding the limit and accumulating and preventing gas explosion and coal and gas outburst accidents, but also can change harm into benefit and be developed and utilized as the resources associated with coal.

The existing gas extraction device is a single hole rotating device, the functionality of the body is low, the function is single, the safety is generally required to be improved by other equipment, the device is replaced, manpower and material resources are consumed, and the input cost of the gas extraction machine can be increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bury coal seam gas deeply and take out drilling equipment to it all is the free commentaries on classics hole device to propose current gas and take out the device among the above-mentioned background art to solve, and the functionality of body is lower, and the function singleness generally needs to rely on other equipment to carry out the perfect work in the aspect of the safety, but the device change work, relatively consumes manpower and materials, can improve the problem of the machine input cost of taking out and taking out gas.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a deep-buried coal seam gas drainage drilling equipment, includes rig base main part, the upper end fixed mounting of rig base main part left end has rig unable adjustment base, both ends fixed mounting has rig side fixer around rig unable adjustment base upper end, the middle part fixed mounting of rig unable adjustment base upper end has the rig driver, rig driver and rig side fixer fixed connection, the transmission end movable mounting of rig driver has the rotatory screw rod that punches.

Preferably, a screw top probing drill bit is fixedly mounted at the left end of the rotary punching screw, the screw top probing drill bit is matched with the rotary punching screw, a pressure-reducing aeration buffer layer is fixedly arranged in the middle of the rotary punching screw, and the pressure-reducing aeration buffer layer is matched with the rotary punching screw.

Preferably, the outer side of the left end of the reduced-pressure aeration buffer layer is fixedly provided with a wet coal hole stabilizing shell, the right side of the wet coal hole stabilizing shell is fixedly provided with a gas excess protection aerator, and the gas excess protection aerator is positioned on the outer side of the right end of the reduced-pressure aeration buffer layer.

Preferably, the middle part of the inside of the firm shell in wet coal hole is fixedly provided with an internal hollow tube, the outside of the internal hollow tube is fixedly provided with a push rod brake, and the transmission end of the push rod brake is movably provided with a brake push rod.

Preferably, a movable grouping block is fixedly mounted on the outer side of the brake push rod, and grouping block interval separation layers are fixedly arranged at the left end and the right end of the movable grouping block.

Preferably, a helium inert gas rapid conduction pipe is fixedly installed at the left end of the inner side of the internal hollow pipe, a guide pipe is fixedly installed at the left end of the helium inert gas rapid conduction pipe, an inert gas inflation protection layer is fixedly installed at the left end of the guide pipe, the guide pipe extends to the inner side of the inert gas inflation protection layer from the left side, and the inert gas inflation protection layer is located at the inner side of the excessive gas protection inflator.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the drilling device for gas extraction of the deep-buried coal seam, inert gas is directly guided into the inert gas inflation protective layer through the helium inert gas quick conduction pipe, the inert gas inflation protective layer is extruded by the gas to be expanded, so that the inert gas inflation protective layer can be attached to the coal seam, holes of the coal seam are sealed, the effect of stopping gas leakage is achieved, if the inert gas is seriously exploded, the inert gas can cause the gas explosion concentration range, the life safety of a constructor is better protected, the economic loss of construction is reduced, meanwhile, the overall safety of the device is improved, and the life and property safety of constructors is guaranteed;

2. according to the drilling device for gas extraction of the deep-buried coal seam, the movable grouping blocks are moved by the brake push rod to carry out plain-compaction operation on the coal seam, the coal seam which is not effectively processed can be completely processed, effective precondition preparation work is carried out for later-stage pipe distribution work, and the work efficiency of gas extraction is improved on the whole;

3. according to the deep-buried coal seam gas extraction drilling device, after the gas excess protection aerator inflates and blocks the drilled hole, gas impacting into the hole can impact the gas excess protection aerator and be buffered in the decompression aeration buffer layer, the buffered gas is not easy to explode, and the possibility of gas explosion is reduced.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the punching rotary screw of the present invention;

FIG. 3 is a schematic view of the three-dimensional enlarged structure of the aeration buffer layer of the present invention;

FIG. 4 is a schematic view of the internal structure of the wet coal hole stabilizer of the present invention;

fig. 5 is a schematic structural view of the gas excess protection inflator of the present invention.

In the figure: 1. a drill base body; 2. a drilling machine fixing base; 3. a drill side retainer; 4. a drill driver; 5. rotating the punching screw rod; 6. probing a drill bit at the top end of the screw; 7. a decompression aeration buffer layer; 8. the wet coal hole stabilizes the shell; 9. an excess gas protection inflator; 10. an empty pipe is arranged inside the hollow pipe; 11. a push rod brake; 12. a brake push rod; 13. a movable block of packets; 14. a packet block interval separation layer; 15. a helium inert gas rapid transit tube; 16. a guide tube; 17. the inert gas inflates the protective layer.

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. 1-5, the present invention provides a technical solution: the utility model provides a deep-buried coal seam gas drainage drilling equipment, including rig base main part 1, the upper end fixed mounting of 1 left end of rig base main part has rig unable adjustment base 2, both ends fixed mounting has rig side fixer 3 around rig unable adjustment base 2 upper end, middle part fixed mounting of rig unable adjustment base 2 upper end has rig driver 4, rig driver 4 and 3 fixed connection of rig side fixer, the transmission end movable mounting of rig driver 4 has rotatory screw rod 5 that punches.

Furthermore, a screw top trial drill bit 6 is fixedly installed at the left end of the rotary punching screw 5, the screw top trial drill bit 6 is matched with the rotary punching screw 5, a decompression aeration buffer layer 7 is fixedly arranged at the middle part of the rotary punching screw 5, the decompression aeration buffer layer 7 is matched with the rotary punching screw 5, a brake drill driver 4 drives the rotary punching screw 5, a lug on the rotary punching screw 5 and the screw top trial drill bit 6 at the left end of the rotary punching screw 5 can punch and puncture holes, can quickly drill an ideal drill hole for gas extraction in a deep-buried coal seam, thereby making advance preparation for the gas extraction work in the later period, the novel coal mine underground coal.

Furthermore, a wet coal hole stabilizing shell 8 is fixedly installed on the outer side of the left end of the reduced-pressure aeration buffer layer 7, a gas excess protection aerator 9 is fixedly installed on the right side of the wet coal hole stabilizing shell 8, the gas excess protection aerator 9 is located on the outer side of the right end of the reduced-pressure aeration buffer layer 7, the gas excess protection aerator 9 is an emergency component, a drill hole can be plugged after the gas excess protection aerator 9 is inflated, so that gas in a deeply buried coal seam is isolated, serious safety accidents caused by excessive gas leakage are prevented, the wet coal hole stabilizing shell 8 is a common component, after drilling, the specification of the hole is generally a cylindrical structure with the size close to that of the rotary punching screw rod 5, but a coal seam which is not punched well cannot be avoided in the hole, so that the telescopic pressing component of the wet coal hole stabilizing shell 8 can effectively perform secondary treatment on the coal seam which is not punched well, so that the trouble of blocking can be reduced when the circular tube is installed later, and after the gas excess protection aerator 9 inflates and blocks the drilled hole, the gas impacting the hole can impact the gas excess protection aerator 9 and be buffered in the decompression aeration buffer layer 7.

Further, the middle part of the inboard of the firm shell 8 in wet coal hole fixedly mounted has inside to put blank pipe 10, and the outside fixed mounting that inside put blank pipe 10 has push rod stopper 11, and push rod stopper 11's drive end movable mounting has brake push rod 12, and after starting this whole post processing subassembly of the firm shell 8 in wet coal hole, start push rod stopper 11 earlier, push rod stopper 11 drives brake push rod 12 again and carries out the transmission from top to bottom.

Furthermore, a movable grouping block 13 is fixedly mounted on the outer side of the brake push rod 12, grouping block interval separating layers 14 are fixedly arranged at the left end and the right end of the movable grouping block 13, the brake push rod 12 and the movable grouping block 13 perform synchronous transmission work, and the movable grouping block 13 can impact on a coal body, so that the media structure is more stable, and the stability of holes is higher.

Furthermore, a helium inert gas rapid conduction pipe 15 is fixedly installed at the left end of the inner side of the internal hollow pipe 10, a guide pipe 16 is fixedly installed at the left end of the helium inert gas rapid conduction pipe 15, an inert gas inflation protection layer 17 is fixedly installed at the left end of the guide pipe 16, the guide pipe 16 extends to the inner side of the inert gas inflation protection layer 17 towards the left side, the inert gas inflation protection layer 17 is located at the inner side of the gas excess protection inflator 9, when the gas is too much and exceeds the limit, the inert gas is directly guided into the inert gas inflation protection layer 17 through the helium inert gas rapid conduction pipe 15, the inert gas inflation protection layer 17 can be expanded by gas extrusion, and can be attached to the coal seam, the coal seam hole is sealed, the effect of stopping gas leakage is achieved, and if the situation is seriously exploded, the inert gas can cause the gas explosion concentration range, the life safety of constructors is better protected, and the economic loss of construction is reduced.

The working principle is as follows: firstly, before construction, a drilling machine base main body 1 is firmly fixed, a rotary punching screw 5 is strictly forbidden to abut against the drilling machine base main body 1, holes are strictly distributed according to design parameters, a drilling area is selected, then the rotary punching screw 5 is aligned with a screw top probing drill 6 to be positioned, a brake drilling machine driver 4 is started to drive the rotary punching screw 5, a lug on the rotary punching screw 5 and the screw top probing drill 6 at the left end of the rotary punching screw 5 can punch and puncture holes, an ideal drilling hole for gas extraction can be rapidly drilled in a deep coal seam, after drilling, a wet coal hole stabilizing shell 8 is started, after the whole post-processing component is started, a push rod brake 11 is started, then a brake push rod 12 is driven by the push rod brake 11 to perform up-and-down transmission, and the brake push rod 12 and a movable split block 13 perform synchronous transmission work, and on the portable grouping piece 13 can strike the coal body to this makes the media structure more stable, and the stability of hole is higher, when meetting the too much emergency that transfinites of gas, directly leads into inert gas through the quick conduction pipe 15 of helium inert gas inside inert gas aerifys protective layer 17, and inert gas aerifys protective layer 17 and receives gas extrusion and can enlarge, with this can laminate with the coal seam, seals the coal seam hole, reaches the effect that stops the gas leakage.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a deep-buried coal seam gas drainage drilling equipment, includes rig base main part (1), its characterized in that: the drilling machine is characterized in that a drilling machine fixing base (2) is fixedly mounted at the upper end of the left end of the drilling machine base main body (1), drilling machine side fixing devices (3) are fixedly mounted at the front end and the rear end of the upper end of the drilling machine fixing base (2), a drilling machine driver (4) is fixedly mounted at the middle of the upper end of the drilling machine fixing base (2), the drilling machine driver (4) is fixedly connected with the drilling machine side fixing devices (3), and a rotary punching screw rod (5) is movably mounted at the transmission end of the drilling machine driver (4).

2. The deep-buried coal seam gas extraction drilling device according to claim 1, characterized in that: the rotary drilling device is characterized in that a screw top trial drill bit (6) is fixedly mounted at the left end of the rotary drilling screw (5), the screw top trial drill bit (6) is matched with the rotary drilling screw (5), a pressure-reducing aeration buffer layer (7) is fixedly arranged in the middle of the rotary drilling screw (5), and the pressure-reducing aeration buffer layer (7) is matched with the rotary drilling screw (5).

3. The deep-buried coal seam gas extraction drilling device according to claim 2, characterized in that: the outer side of the left end of the reduced-pressure aeration buffer layer (7) is fixedly provided with a wet coal hole stabilizing shell (8), the right side of the wet coal hole stabilizing shell (8) is fixedly provided with a gas excess protection aerator (9), and the gas excess protection aerator (9) is positioned on the outer side of the right end of the reduced-pressure aeration buffer layer (7).

4. The deep-buried coal seam gas extraction drilling device according to claim 3, characterized in that: the middle part fixed mounting of the inboard of the firm shell in wet coal hole (8) has inside to put idle pipe (10), the outside fixed mounting that the inside put idle pipe (10) has push rod stopper (11), the transmission end movable mounting of push rod stopper (11) has brake push rod (12).

5. The deep-buried coal seam gas extraction drilling device according to claim 4, characterized in that: the outer side of the brake push rod (12) is fixedly provided with a movable grouping block (13), and the left end and the right end of the movable grouping block (13) are fixedly provided with grouping block interval separation layers (14).

6. The deep-buried coal seam gas extraction drilling device according to claim 5, characterized in that: the left end of the inner side of the internal hollow pipe (10) is fixedly provided with a helium inert gas rapid conduction pipe (15), the left end of the helium inert gas rapid conduction pipe (15) is fixedly provided with a guide pipe (16), the left end of the guide pipe (16) is fixedly provided with an inert gas inflation protection layer (17), the guide pipe (16) extends to the left side to the inner side of the inert gas inflation protection layer (17), and the inert gas inflation protection layer (17) is located on the inner side of a gas excess protection inflator (9).