CN217270007U

CN217270007U - Drilling machine drill bit capable of being cooled rapidly

Info

Publication number: CN217270007U
Application number: CN202123451930.3U
Authority: CN
Inventors: 卢维华; 周玉生; 何颖川
Original assignee: Hengjin Design Co ltd
Current assignee: Hengjin Design Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-23
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a drill bit capable of rapidly cooling, which comprises a drill bit body, wherein the upper end of the drill bit body is provided with a hollow groove extending downwards along the axial direction of the drill bit body, a rotating shaft coaxially arranged with the drill bit body is arranged in the hollow groove, the lower end of the rotating shaft is provided with a heat dissipation fan blade, and the drill bit further comprises a power device, wherein the power device is used for driving the drill bit body to rotate in the direction opposite to the rotating shaft; this internal cavity recess that is equipped with of drill bit to be equipped with pivot and heat dissipation flabellum in the cavity recess, the during operation, when rotating the hole through power device drive drill bit body rotation, drive pivot and heat dissipation flabellum are with the direction of rotation antiport of drill bit body, thereby dispel the heat to drill bit body inside through the heat dissipation flabellum, reach quick refrigerated effect, prolonged the life of drill bit.

Description

Drilling machine drill bit capable of being cooled rapidly

Technical Field

The utility model relates to a rig drill bit technical field especially relates to a rig drill bit that can rapid cooling.

Background

The drilling machine is a drilling mechanical device for geological exploration, including coal field, petroleum, metallurgy, mineral products, geology, hydrology, nonferrous metals and nuclear industry exploration, and a drilling bit of the drilling machine is often required to drill on the ground or a mountain during the geological exploration.

Because the time of rig drill bit work is longer, therefore the temperature is higher, need carry out cooling to the drill bit, but current cooling mode is the outer wall trickle of direct at the drill bit, and the inside of drill bit still has thermal, and cooling speed is slower, and the cooling effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but rapid cooling's rig drill bit solves more than one problem in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a but rapid cooling's rig drill bit, including the drill bit body, the upper end of drill bit body is equipped with along drill bit body axial downwardly extending's cavity recess in with the pivot that the drill bit body set up with the axle center the lower extreme of pivot is equipped with the heat dissipation flabellum, still including power device, power device is used for the drive the drill bit body is opposite direction rotation with the pivot.

The power device comprises a support frame arranged on one side of a drill bit body, a motor is arranged on the support frame, an output shaft of the motor is longitudinally arranged and provided with a first gear and a second gear at intervals up and down, an extension plate is arranged on the lower side of the support frame, a third gear capable of being meshed with the first gear is rotatably arranged on the extension plate, a fourth gear capable of being meshed with the third gear is arranged on a rotating shaft, and a fifth gear capable of being meshed with the second gear is arranged on the outer wall of the drill bit body.

According to the drill bit capable of rapidly cooling, the inner wall of the hollow groove is fixedly provided with the fixed cylinder, and the lower end of the rotating shaft is rotatably arranged on the fixed cylinder.

According to the drill bit capable of quickly cooling, the rotating shaft is internally provided with the through hole which is communicated up and down, the fixing cylinder is internally provided with the water through hole communicated with the through hole, the drill bit body is internally provided with a plurality of heat dissipation water channels communicated with the water through hole, one end of each heat dissipation water channel is communicated with the water through hole, and the other end of each heat dissipation water channel is communicated with the upper end face of the drill bit body.

According to the drill bit capable of rapidly cooling, four radiating water channels are uniformly distributed and arrayed along the circumference.

According to the drilling machine drill bit capable of rapidly cooling, the upper end of the rotating shaft is provided with the rotating joint communicated with the through hole, and the other end of the rotating joint is connected with the water inlet pipe.

In conclusion, the beneficial effects of the utility model are that: this internal cavity recess that is equipped with of drill bit to be equipped with pivot and heat dissipation flabellum in the cavity recess, the during operation, when rotating the hole through power device drive drill bit body rotation, drive pivot and heat dissipation flabellum are with the direction of rotation antiport of drill bit body, thereby dispel the heat to drill bit body inside through the heat dissipation flabellum, reach quick refrigerated effect, prolonged the life of drill bit.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional view of the drill bit body according to the present invention.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of the description of the present invention and do not represent a particular relationship between the various embodiments and/or structures discussed.

The invention will be further described with reference to the following description of the drawings and detailed description: the drill bit capable of rapidly cooling as shown in fig. 1 to 2 comprises a drill bit body 1, wherein a hollow groove 2 extending downwards along the axial direction of the drill bit body 1 is formed in the upper end of the drill bit body 1, a rotating shaft 3 coaxially arranged with the drill bit body 1 is arranged in the hollow groove 2, and heat dissipation fan blades 4 are arranged at the lower end of the rotating shaft 3; be equipped with cavity recess 2 in drill bit body 1 to be equipped with pivot 3 and heat dissipation flabellum 4 in cavity recess 2, the during operation, when driving drill bit body 1 rotation commentaries on classics hole through power device, drive pivot 3 and heat dissipation flabellum 4 are with drill bit body 1's direction of rotation antiport, thereby dispel the heat to drill bit body 1 inside through heat dissipation flabellum 4, reach quick refrigerated effect, prolonged the life of drill bit.

Referring to fig. 1, the power device includes a support frame 21 disposed on one side of the drill body 1, a motor 22 is disposed on the support frame 21, an output shaft of the motor 22 is disposed along a longitudinal direction and is provided with a first gear 23 and a second gear 24 at an interval up and down, an extension plate 25 is disposed on a lower side of the support frame 21, a third gear 26 capable of meshing with the first gear 23 is rotatably mounted on the extension plate 25, a fourth gear 27 capable of meshing with the third gear 26 is disposed on the rotation shaft 3, a fifth gear 28 capable of meshing with the second gear 24 is disposed on an outer wall of the drill body 1, during operation, the motor 22 respectively drives the first gear 23 and the second gear 24 to rotate in the same direction, wherein the first gear 23, the third gear 26 and the fourth gear 27 sequentially mesh to drive the rotation shaft 3 to rotate, the second gear 24 meshes with the fifth gear 28 to drive the drill body 1 to rotate, however, the third gear 26 is arranged so that the rotation shaft 3 thereof is rotated in the opposite direction to the bit body 1.

Referring to fig. 2, a fixed cylinder 31 is fixedly arranged on the inner wall of the hollow groove 2, the lower end of the rotating shaft 3 is rotatably mounted on the fixed cylinder 31, a through hole 41 which penetrates up and down is arranged in the rotating shaft 3, a water through hole 42 communicated with the through hole 41 is arranged in the fixed cylinder 31, a plurality of heat dissipation water channels 43 communicated with the water through hole 42 are arranged in the drill bit body 1, one end of the heat dissipation water channel 43 is communicated with the water through hole 42, the other end is communicated with the upper end face of the drill bit body 1, four heat dissipation water channels 43 are uniformly distributed and arrayed along the circumference, the upper end of the rotating shaft 3 is provided with a rotating joint 61 communicated with the through hole 41, the other end of the rotating joint 61 is connected with a water inlet pipe 62, when in work, cooling water enters from the water inlet pipe 62, the water flows into the through hole 41 through the rotary joint 61 and enters the heat dissipation water channel 43 through the water passing hole 42, so that the drill bit body 1 is cooled rapidly.

In combination with the basic principles and main features of the present invention and the advantages of the present invention as shown and described above, those skilled in the art should understand that the present invention is not limited by the above embodiments, and only the description in the above embodiments and the description illustrates the principles of the present invention without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but rapid cooling's rig drill bit, including drill bit body (1), its characterized in that: the upper end of drill bit body (1) is equipped with along drill bit body (1) axial downwardly extending's cavity recess (2) in cavity recess (2) with pivot (3) that drill bit body (1) set up with the axle center the lower extreme of pivot (3) is equipped with heat dissipation flabellum (4), still including power device, power device is used for the drive drill bit body (1) is opposite direction rotation with pivot (3).

2. A rapidly coolable drill bit as recited in claim 1, further comprising: power device is including setting up support frame (21) in drill bit body (1) one side be equipped with motor (22) on support frame (21), the output shaft of motor (22) is equipped with first gear (23) and second gear (24) along vertical setting and interval from top to bottom the downside of support frame (21) is equipped with extension board (25) rotate on extension board (25) and install third gear (26) that can mesh with first gear (23) be equipped with fourth gear (27) that can mesh with third gear (26) on pivot (3) drill bit body (1) outer wall is equipped with fifth gear (28) that can mesh with second gear (24).

3. The rapidly coolable drill bit of claim 1, wherein: the inner wall of the hollow groove (2) is fixedly provided with a fixed cylinder (31), and the lower end of the rotating shaft (3) is rotatably arranged on the fixed cylinder (31).

4. A rapidly coolable drill bit as recited in claim 3, further comprising: the drill bit is characterized in that a through hole (41) which is through up and down is formed in the rotating shaft (3), a water passing hole (42) communicated with the through hole (41) is formed in the fixed cylinder (31), a plurality of heat dissipation water channels (43) communicated with the water passing hole (42) are formed in the drill bit body (1), one end of each heat dissipation water channel (43) is communicated with the water passing hole (42), and the other end of each heat dissipation water channel is communicated with the upper end face of the drill bit body (1).

5. The rapidly coolable drill bit of claim 4, further comprising: four heat dissipation water channels (43) are uniformly arranged along the circumference.

6. The rapidly coolable drill bit of claim 4, further comprising: the upper end of the rotating shaft (3) is provided with a rotating joint (61) communicated with the through hole (41), and the other end of the rotating joint (61) is connected with a water inlet pipe (62).