CN211727571U

CN211727571U - Special drilling machine for gas extraction drill hole casing

Info

Publication number: CN211727571U
Application number: CN202020296655.9U
Authority: CN
Inventors: 崔广永
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-23
Anticipated expiration: 2030-03-11

Abstract

The utility model belongs to the technical field of processing equipment for mines, in particular to a drilling machine special for a gas extraction drill casing, which comprises a box body, a drilling mechanism and a clamp, wherein the top of the box body is fixedly connected with a top cover; four sleeves that need processing are held to anchor clamps through four transverse distribution, then open drilling mechanism, and promote the link through the cylinder and descend, make four drilling mechanism when descending with the pipe box contact in the anchor clamps, thereby carry out the drilling operation with four pipe boxes simultaneously, work efficiency when having improved drilling, and the intensity of labour is reduced, and the powder that produces when drilling in the box passes through the twitch of gravity influence and air exhauster, pass through the through-hole and go out the bits hole and receive the direction of a bits fill and take out to collect in the collecting box through the air exhauster, it clears up conveniently in follow-up to the residue in the box.

Description

Special drilling machine for gas extraction drill hole casing

Technical Field

The utility model belongs to the technical field of the processing equipment for the mine, concretely relates to special drilling machine of gas drainage borehole casing.

Background

According to recent statistical data, among various coal mine accidents, coal mine accidents caused by gas explosion account for forty-seven percent of the total number of the coal mine accidents, in order to guarantee safe production, all levels of units and departments of coal mines pay great attention to related research on gas, and currently, the most common measure in coal mine production is to pump out the gas through a sleeve by using a special pipeline so as to guarantee safe operation of mine operation.

At present, most of methods for drilling the casing pipes are manual drilling operations through drilling guns, the working efficiency of the drilling operations is low, only one drilling operation can be performed, continuous manual operations are required, and the labor intensity is high.

Therefore, the technical personnel in the field provide a drilling machine special for a gas extraction borehole casing, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a special drilling machine of gas drainage borehole casing.

In order to achieve the above object, the utility model provides a following technical scheme: a drilling machine special for gas extraction drilling sleeves comprises a box body, drilling mechanisms and clamps, wherein a top cover is fixedly connected to the top of the box body, a mounting frame is fixedly connected to the top of the top cover, a cylinder is fixedly connected to the top of the mounting frame and is connected with an external air source, a connecting frame is fixedly connected to the output end of the cylinder, four drilling mechanisms are fixedly connected to the outer wall of the connecting frame, four clamps are fixedly connected to the top of the box body, four clamping grooves are formed in the box body, a plurality of through holes are formed in the box body, a scrap discharging hopper is fixedly connected to the bottom of the box body, a connecting pipe is fixedly connected to the bottom of the scrap discharging hopper, an exhaust fan is arranged at the bottom of the scrap discharging hopper and is electrically connected with an external power source, the air exhaust end of the exhaust fan is fixedly connected with the connecting pipe, and, the bottom of the air extractor is provided with a collecting box, and the scrap discharging pipe is fixedly connected with the collecting box in a threaded manner.

Preferably, a plurality of chip discharging holes are formed in the clamping groove.

Preferably, the outer wall of the box body is hinged with a box door, and the box door is provided with an observation window.

Preferably, the observation window is made of glass.

Preferably, the output end of the air cylinder penetrates through the mounting frame.

Preferably, one end of the drilling mechanism extends through the cap.

Compared with the prior art, the beneficial effects of the utility model are that: four sleeve pipes that need processing of anchor clamps centre gripping through four transverse distribution, then open drilling mechanism, and promote the link through the cylinder and descend, make four drilling mechanism when descending with the pipe box contact in the anchor clamps, thereby carry out drilling operation with four pipe boxes simultaneously, work efficiency when having improved drilling, the intensity of labour has been reduced, and the powder that produces when drilling in the box passes through the twitch of gravity influence and air exhauster, the direction that passes through the through-hole and goes out the bits hole and receive out the bits fill is taken out to the collecting box in through the air exhauster and is collected, convenient follow-up in to the box residue clearance, thereby the practicality has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a top sectional view of the middle box of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a box body; 11. a card slot; 12. a through hole; 13. a chip outlet hole; 14. a box door; 141. an observation window; 2. a top cover; 3. a mounting frame; 4. a cylinder; 41. a connecting frame; 5. a drilling mechanism; 6. a clamp; 7. a scrap discharging hopper; 71. a connecting pipe; 8. an exhaust fan; 81. a scrap discharge pipe; 9. and a collection box.

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. 1-4, the present invention provides the following technical solutions: a drilling machine special for gas extraction drilling sleeves comprises a box body 1, drilling mechanisms 5 and clamps 6, a top cover 2 is fixedly connected to the top of the box body 1, a mounting frame 3 is fixedly connected to the top of the top cover 2, a cylinder 4 is fixedly connected to the top of the mounting frame 3, the cylinder 4 is connected with an external air source, a connecting frame 41 is fixedly connected to the output end of the cylinder 4, four drilling mechanisms 5 are fixedly connected to the outer wall of the connecting frame 41, four clamps 6 are fixedly connected to the top of the box body 1, four clamping grooves 11 are formed in the box body 1, a plurality of through holes 12 are formed in the box body 1, a scrap discharging hopper 7 is fixedly connected to the bottom of the box body 1, a connecting pipe 71 is fixedly connected to the bottom of the scrap discharging hopper 7, an exhaust fan 8 is arranged at the bottom of the scrap discharging hopper 7, the exhaust fan 8 is electrically connected with an external power source, the bottom of the exhaust fan 8 is provided with a collecting box 9, and the scrap outlet pipe 81 is fixed with the collecting box 9 in a threaded manner.

In this embodiment: the drilling mechanism 5 is a drilling device of the existing drill floor, and consists of a motor, a main shaft and a drill bit, wherein the output end of the motor is connected with the main shaft, the main shaft is connected with the drill bit, the drill bit at the bottom of the main shaft is driven by the motor to rotate to realize the drilling operation, the box door 14 is hinged with the box body 1 through a hinge, the clamp 6 is an existing positioning clamp, the box door 14 is opened when the drilling operation is carried out, the sleeve is placed into four clamping grooves 11, four sleeves to be processed are respectively clamped by the four transversely distributed clamps 6, the box door 14 is closed after the clamping, then switches of the drilling mechanism 5 and an exhaust fan 8 (model CREF-2S75) are opened, the connecting frame 41 is pushed to descend through the air cylinder 4 (model is ARDBA32), the four drilling mechanisms 5 are in contact with the sleeve fixed in the clamp 6 when descending, the four sleeves are simultaneously drilled, and the working, the labor intensity is reduced, the powder generated in the box body 1 falls through the through hole 12 and the chip outlet hole 13 due to the influence of gravity and the drawing of the opened exhaust fan 8 after drilling, reaches the position of the connecting pipe 71 under the guiding of the chip outlet hopper 7 and is pumped into the collecting box 9 through the exhaust fan 8 for collection, not only can the residue of the pipe sleeve be generated during drilling, but also a large amount of powder can be formed, through the independent collection of the powder, the situation that the powder during processing and the residue during processing are mixed together to cause the later-stage cleaning of the residue in the box body 1 can be prevented, the separation of a large amount of powder and the residue is difficult, the cleaning effect is influenced, the subsequent cleaning of the residue in the box body 1 is convenient, the practicability is improved, after the processing is finished, the box door 14 is opened, part of the residue remained in the box body 1 is cleaned and collected, then the collecting box 9 and the chip outlet pipe 81 are disassembled, pour out can to the powder in the collecting box 9, the one end that the play bits pipe 81 is close to collecting box 9 is seted up porosely, and the upper end of collecting box 9 is seted up threaded hole (fig. 4 has shown in the attached drawing of description), and the hole that passes play bits pipe 81 through the bolt twists among the screw hole that collecting box 9 was seted up, realizes fixing between play bits pipe 81 and collecting box 9, when dismantling play bits pipe 81 and collecting box 9, unscrew the bolt from the screw hole that collecting box 9 was seted up, take out the bolt from play bits pipe 81 can.

In fig. 2 and 3: a plurality of chip outlet holes 13 are formed in the clamping groove 11; the through hole 12 and the chip outlet hole 13 are provided for discharging powder generated during processing, and the powder generated in the box body 1 falls through the through hole 12 and the chip outlet hole 13 and is guided by the chip outlet hopper 7 to be pumped into the collection box 9 through the exhaust fan 8 to be collected due to the influence of gravity and the pumping action of the exhaust fan 8 after the exhaust fan 8 is opened during drilling.

In fig. 1 and 3: the outer wall of the box body 1 is hinged with a box door 14, the box door 14 is provided with an observation window 141, and the observation window 141 is made of glass; the box body 1 is sealed through the box door 14, so that scrap powder generated in the box body 1 during processing cannot splash everywhere, and an operator can conveniently observe the processing state in the box body 1 through the observation window 141 made of glass.

In fig. 2: the output end of the cylinder 4 penetrates through the mounting frame 3, and one end of the drilling mechanism 5 penetrates through the top cover 2; the mounting frame 3 is provided with a through groove used for the up-and-down movement of the output end of the air cylinder 4, the contraction and the extension of the output end of the air cylinder 4 cannot be influenced, the top cover 2 is provided with a through groove used for the up-and-down movement of a main shaft and a drill cutter in the drilling mechanism 5, and the ascending and descending of the main shaft and the drill cutter in the drilling mechanism 5 cannot be influenced.

The utility model discloses a theory of operation and use flow: when drilling the pipe sleeves, the box door 14 is opened, the pipe sleeves are placed into the four clamping grooves 11, the four pipe sleeves to be processed are respectively clamped by the four transversely distributed clamps 6, the box door 14 is closed after clamping, then the drilling mechanism 5 and the exhaust fan 8 are opened and are switched on, the connecting frame 41 is pushed to descend through the air cylinder 4, the four drilling mechanisms 5 are contacted with the pipe sleeves fixed in the four clamps 6 when descending, so that the four pipe sleeves are drilled simultaneously, the working efficiency during drilling is improved, the labor intensity is reduced, powder generated in the box body 1 during drilling falls through the through hole 12 and the chip outlet hole 13 under the guide of the chip outlet hopper 7 to reach the position of the connecting pipe 71 and is pumped into the collecting box 9 through the exhaust fan 8 to be collected, and residues in the box body 1 are cleaned conveniently in the following process, thereby improving the practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gas drainage borehole casing special drilling machine, is including being equipped with box (1), drilling mechanism (5) and anchor clamps (6), its characterized in that: the top of the box body (1) is fixedly connected with a top cover (2), the top of the top cover (2) is fixedly connected with a mounting rack (3), the top of the mounting rack (3) is fixedly connected with a cylinder (4), the cylinder (4) is connected with an external air source, the output end of the cylinder (4) is fixedly connected with a connecting rack (41), the outer wall of the connecting rack (41) is fixedly connected with four drilling mechanisms (5), the top of the box body (1) is fixedly connected with four clamps (6), the box body (1) is provided with four clamping grooves (11), the box body (1) is provided with a plurality of through holes (12), the bottom of the box body (1) is fixedly connected with a scrap discharging hopper (7), the bottom of the scrap discharging hopper (7) is fixedly connected with a connecting pipe (71), and the bottom of the scrap discharging hopper (7) is provided with an, air exhauster (8) and external power source electric connection, the convulsions end of air exhauster (8) with connecting pipe (71) fixed connection, the air-out end fixedly connected with detritus pipe (81) of air exhauster (8), air exhauster (8) bottom is equipped with collecting box (9), detritus pipe (81) with collecting box (9) spiro union is fixed.

2. The special drilling machine for the gas extraction drill casing according to claim 1, characterized in that: a plurality of chip discharging holes (13) are formed in the clamping groove (11).

3. The special drilling machine for the gas extraction drill casing according to claim 1, characterized in that: the outer wall of the box body (1) is hinged with a box door (14), and the box door (14) is provided with an observation window (141).

4. The special drilling machine for the gas extraction drill casing according to claim 3, characterized in that: the observation window (141) is made of glass.

5. The special drilling machine for the gas extraction drill casing according to claim 1, characterized in that: the output end of the air cylinder (4) penetrates through the mounting frame (3).

6. The special drilling machine for the gas extraction drill casing according to claim 1, characterized in that: one end of the drilling mechanism (5) penetrates through the top cover (2).