CN215979182U

CN215979182U - Deep hole fixed point drilling device

Info

Publication number: CN215979182U
Application number: CN202121435351.7U
Authority: CN
Inventors: 水源
Original assignee: Henan Dingmiao Electrical Equipment Co ltd
Current assignee: Henan Dingmiao Electrical Equipment Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-03-08
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a deep hole fixed-point drilling device, which comprises a fixed tail cylinder, an outer pipe and an inner pipe, wherein the outer pipe is rotatably arranged on the inner wall of the fixed tail cylinder, the inner pipe is arranged on the inner wall of the front end of the outer pipe, an air inlet annular groove is formed in the middle of the outer pipe, a cross air inlet hole is formed in the outer peripheral surface of the air inlet annular groove, the cross air inlet hole penetrates through the outer pipe and is communicated with the inner wall of the outer pipe, a power fixing groove is formed in the rear end of the outer pipe, an air inlet pipe is fixedly connected to the bottom end of the fixed tail cylinder, a communication hole is formed in the bottom end of the fixed tail cylinder and is communicated with the air inlet pipe, the deep hole fixed-point drilling device is convenient for a person to arrange a power device on the outer pipe through the arrangement of the air inlet pipe and the power fixing groove, and the person can directly install a connecting cylinder, a pipe and the like on the fixed tail cylinder and can also be indirectly connected with the power device, therefore, the utility model is convenient for the personnel to use.

Description

Deep hole fixed point drilling device

Technical Field

The utility model relates to the technical field of coal mine fixed-point drilling devices, in particular to a deep hole fixed-point drilling device.

Background

In the coal seam drilling process, the drilling rod that uses is mostly the both arms drilling rod, the trailing end connection of both arms drilling rod has the tail pigtail of drilling, the tail pigtail of drilling that uses at present mostly is the single channel tail pigtail of drilling, when the air current enters into the both arms drilling rod from the tail pigtail of drilling, the air current divides into two the tunnel naturally, middle passageway and the peripheral intermediate layer towards both arms drilling rod respectively, but the current tail of drilling is debated from the tail end of drilling the tail and is let in gas mostly when letting in gas, set up special adapting unit and be connected with power device in the middle part, the single channel of device SDQ-73 type deep hole fixed point device of if present is drilled the tail and just needs to use special adapting unit, therefore very inconvenient personnel use power transmission device commonly used on the market.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a deep hole fixed-point drilling device, which solves the problems in the background technology.

The technical scheme of the utility model is as follows:

in order to achieve the purpose, the utility model is realized by the following technical scheme: deep hole fixed point drilling device, including fixed tail section of thick bamboo, rotatable setting at the outer tube of fixed tail section of thick bamboo inner wall and the inner tube of setting at outer tube front end inner wall, the annular groove that admits air has been seted up at the middle part of outer tube, just the cross inlet port has been seted up to the outer peripheral face of the annular groove that admits air, just the cross inlet port runs through the outer tube, the fixed recess of power has been seted up to the rear end of outer tube, the bottom fixedly connected with intake pipe of fixed tail section of thick bamboo, the intercommunicating pore of intercommunication annular groove and intake pipe admits air is seted up to the bottom of fixed tail section of thick bamboo.

Optionally, both ends all are provided with the bearing of joint between fixed tail section of thick bamboo and outer tube around the fixed tail section of thick bamboo inner wall, the inner wall of fixed tail section of thick bamboo is provided with the holding ring of one side butt on the face of surveying in the bearing, both sides all are provided with the annular fender lid of one side butt on the bearing around the fixed tail section of thick bamboo.

Optionally, the front end of the outer peripheral surface of the outer tube is uniformly inserted with a plurality of positioning pins with one ends abutting against the inner tube.

Optionally, the outer tube and the fixed tail cylinder are in clearance fit.

Optionally, two sealing ring grooves are formed at the front end of the outer peripheral surface of the inner pipe at intervals.

Advantageous effects

The utility model provides a deep hole fixed-point drilling device, which has the following beneficial effects:

this device is drilled to deep hole fixed point through the setting of intake pipe and the fixed recess of power, and the personnel of being convenient for set up power device on the outer tube to personnel can directly install connecting cylinder, pipe etc. also can be indirect and be connected with power device on fixed afterbody, consequently can make things convenient for personnel to use greatly.

Drawings

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

FIG. 2 is a schematic diagram of a right-side cross-sectional structure of the present invention;

FIG. 3 is a schematic front view of the present invention.

In the figure: 1. fixing the tail cylinder; 2. an annular shield cover; 3. an outer tube; 4. an inner tube; 5. an air inlet pipe; 6. an annular groove; 7. a cross air inlet hole; 8. a positioning ring; 9. a bearing; 10. a power fixing groove; 11. a communicating hole; 12. positioning pins; 13. and a sealing ring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: the deep hole fixed point drilling device comprises a fixed tail cylinder 1, an outer pipe 3 and an inner pipe 4, wherein the outer pipe 3 is rotatably arranged on the inner wall of the fixed tail cylinder 1, the inner pipe 4 is arranged on the inner wall of the front end of the outer pipe 3, a center channel which is through from front to back is formed in the center of the inner pipe 4, an interlayer channel is formed between the inner pipe 4 and the inner wall of the fixed tail cylinder 1, an air inlet annular groove 6 is formed in the middle of the outer pipe 3, a cross air inlet 7 is formed in the outer peripheral surface of the air inlet annular groove 6, the cross air inlet 7 penetrates through the outer pipe 3 and is communicated with the inner wall of the outer pipe 3, a power fixing groove 10 is formed in the rear end of the outer pipe 3, an air inlet pipe 5 is fixedly connected to the bottom end of the fixed tail cylinder 1, a fixing hole is formed in the bottom of the air inlet pipe 5, meanwhile, a power device is conveniently arranged on the outer pipe 3 through the arrangement of the air inlet pipe 5 and the power fixing groove 10, and a connecting cylinder can be directly installed on the fixed tail cylinder, The pipe etc. also can be indirect be connected with power device, consequently can make things convenient for personnel to use greatly, the intercommunicating pore 11 of intercommunication annular groove 6 and intake pipe 5 is seted up to the bottom of fixed afterbody 1, and the air current that gets into from intake pipe 5 can flow separately behind intake pipe 5, intercommunicating pore 11, intake annular groove 6 and the criss-cross inlet port 7 in proper order, and one enters into central passage, and another one can get into the intermediate layer passageway.

The front and back both ends of fixed tail section of thick bamboo 1 inner wall all are provided with the bearing 9 of joint between fixed tail section of thick bamboo 1 and outer tube 3, the inner wall of fixed tail section of thick bamboo 1 is provided with holding ring 8 of one side butt on bearing 9 internal survey face, both sides all are provided with the annular of one side butt on bearing 9 around fixed tail section of thick bamboo 1 and keep off lid 2, can restrict its bearing 9 back-and-forth movement through annular fender lid 2 and holding ring 8, the even grafting of front end of 3 outer peripheral faces of outer tube has a plurality of one end butt locating pins 12 on inner tube 4, be clearance fit between outer tube 3 and the fixed tail section of thick bamboo 1, the front end interval of 4 outer peripheral faces of inner tube is separated and is equipped with two sealed annular 13.

In summary, when the deep hole fixed point drilling device is used, the deep hole fixed point drilling device needs to be stabilized on other objects, so as to provide a stable point for the deep hole fixed point drilling device, wherein the deep hole fixed point drilling device is used for arranging the bottom end of the air inlet pipe 5 on other objects.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Deep hole fixed point is beaten and is bored device, its characterized in that: including fixed tail section of thick bamboo, rotatable setting at the outer tube of fixed tail section of thick bamboo inner wall and the inner tube of setting at outer tube front end inner wall, the annular groove that admits air has been seted up at the middle part of outer tube, just the cross inlet port has been seted up to the outer peripheral face of the annular groove that admits air, just the cross inlet port runs through the outer tube, the fixed recess of power has been seted up to the rear end of outer tube, the bottom fixedly connected with intake pipe of fixed tail section of thick bamboo, the intercommunicating pore of intercommunication annular groove and intake pipe of admitting air is seted up to the bottom of fixed tail section of thick bamboo.

2. The deep hole spot drilling device according to claim 1, characterized in that: the fixed tail cylinder is characterized in that bearings clamped between the fixed tail cylinder and the outer pipe are arranged at the front end and the rear end of the inner wall of the fixed tail cylinder, a positioning ring is arranged on the inner side of the inner wall of the fixed tail cylinder in a butt mode, and annular retaining covers of one side of the butt joint on the bearings are arranged on the front side and the rear side of the fixed tail cylinder.

3. The deep hole spot drilling device according to claim 1, characterized in that: the front end of the outer peripheral surface of the outer pipe is uniformly inserted with a plurality of positioning pins with one ends abutting against the inner pipe.

4. The deep hole spot drilling device according to claim 1, characterized in that: the outer tube and the fixed tail cylinder are in clearance fit.

5. The deep hole spot drilling device according to claim 1, characterized in that: two sealing ring grooves are arranged at the front end of the outer peripheral surface of the inner pipe at intervals.