CN213087924U

CN213087924U - Special drill bit for rock

Info

Publication number: CN213087924U
Application number: CN202021478394.9U
Authority: CN
Inventors: 孙静伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-30
Anticipated expiration: 2030-07-15

Abstract

The utility model relates to a special drill bit of rock. The upper end of the drilling slurry pumping pipe is fixedly connected with a fastening head in a sealing manner, the lower end of the drilling slurry pumping pipe is fixedly connected with an upper opening of a slurry guide pipe which is fixedly fixed in a gear box in a sealing manner, a lower opening of the slurry guide pipe extends out of the gear box, the extending position of the slurry guide pipe is higher than that of a milling head group, so that the working of the milling head group is not influenced, rock slurry milled by the milling head group can be pumped away, the number of the milling head groups is multiple, the upper end of each milling head group is coaxially fixed with one gear in a gear set in the gear box, one or more gears in the gear set are driven by a motor fixed at the upper end of the gear box, and the motor is communicated with a. The motor is used for driving the speed reducer to transmit to each milling head, so that the cost is low, the drilling speed is high, and the benefit is high.

Description

Special drill bit for rock

Technical Field

The utility model belongs to the drill bit, in particular to dedicated drill bit of rock.

Background

The rock construction mostly adopts the hoist percussion drill, utilizes the hoist engine to hoist heavy drill bit and pound and hit, makes the rock breakage, causes certain influence to the surrounding environment. The construction progress is very slow and high in cost, and the project progress is seriously influenced. The other is a large-scale rotary drilling machine, the machine purchasing cost is greatly increased, a diesel engine is used as power, the use cost is particularly high, and fuel oil can cause pollution to the environment. Due to the influence of the rotating speed, the drilling speed is low, the construction cost is high, and the resource waste is serious.

Disclosure of Invention

In order to overcome prior art's shortcoming, the utility model provides a special drill bit of rock, it utilizes motor drive speed reducer transmission to every cutter head, and is with low costs, creeps into fast, and the benefit is high.

The utility model provides a technical scheme that its technical problem adopted is: the upper end of the drilling slurry pumping pipe is fixedly connected with a fastening head in a sealing manner, the lower end of the drilling slurry pumping pipe is fixedly connected with an upper opening of a slurry guide pipe which is fixedly fixed in a gear box in a sealing manner, a lower opening of the slurry guide pipe extends out of the gear box, the extending position of the slurry guide pipe is higher than that of a milling head group, so that the working of the milling head group is not influenced, rock slurry milled by the milling head group can be pumped away, the number of the milling head groups is multiple, the upper end of each milling head group is coaxially fixed with one gear in a gear set in the gear box, one or more gears in the gear set are driven by a motor fixed at the upper end of the gear box, and the motor is communicated with a.

The utility model discloses there are following: 1) the motor is used as power, so that the cost is low, the noise is low, and the surrounding environment is not influenced; 2) the multi-drill bit has high rotation speed, fast drilling, high benefit, energy saving, labor saving and time saving; 3) the speed is increased by 10 times compared with that of an impact drilling machine, and the cost is reduced by 100 percent; compared with a large rotary drilling rig, the speed is improved by 2 times, and the cost is reduced by 20%.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front view of the present invention;

fig. 2 is a bottom view of the present invention;

fig. 3 is a sectional view taken along line a-a of fig. 1 according to the present invention.

Detailed Description

As shown in fig. 1, the upper end of a drilling slurry pumping pipe 2 is fixedly connected with a buckle head 1 in a sealing manner, the lower end of the drilling slurry pumping pipe 2 is fixedly connected with the upper opening of a slurry guide pipe 6 which is fixedly sealed in a gear box 4 in a sealing manner, the lower opening of the slurry guide pipe 6 extends out of the gear box 4, the extending position is higher than that of a milling head group 5, so that the work of the milling head group 5 is not influenced, and the rock slurry milled by the milling head group 5 can be pumped away, the number of the milling head groups 5 is multiple, the upper end of each milling head group is coaxially fixed with one gear in a gear group 7 in the gear box 4, one or more gears in the gear group 7 are driven by a motor 3 which is fixed at the upper end of the gear box 4, and the motor 3 is in sealing communication with a hydraulic station.

And a reverse circulation pump (not shown in the figure) is fixed at the upper end of the drilling slurry pumping pipe 2 to pump out rock slurry.

The rotating speeds of all the hair washing of the milling head group 5 are the same, the rotating directions are different, and the hair washing are distributed at intervals.

The number of the slurry guide pipes 6 is two.

Claims

1. A special drill bit for rock is characterized in that: the upper end of a drilling slurry pumping pipe (2) is fixedly connected with a buckle head (1) in a sealing mode, the lower end of the drilling slurry pumping pipe (2) is fixedly connected with an upper opening of a slurry guide pipe (6) which is fixedly fixed in a gear box (4) in a sealing mode, a lower opening of the slurry guide pipe (6) extends out of the gear box (4), the extending position of the lower opening of the drilling slurry pumping pipe is higher than that of a milling head group (5), so that the work of the milling head group (5) is not influenced, rock slurry milled by the milling head group (5) can be pumped away, the number of the milling head group (5) is multiple, the upper end of each milling head group is coaxially fixed with one gear in a gear group (7) in the gear box (4), one or more gears in the gear group (7) are driven by a motor (3) fixed at the upper end of the gear box (4), and the motor (3) is.

2. Drill bit for rock use according to claim 1, characterized in that: and a reverse circulation pump is fixed at the upper end of the drilling slurry pumping pipe (2).

3. Drill bit for rock use according to claim 1, characterized in that: the rotating speeds of all the washing heads of the milling head group (5) are the same, the rotating directions are different, and the washing heads are distributed at intervals.

4. Drill bit for rock use according to claim 1, characterized in that: the number of the slurry guide pipes (6) is two.