CN210509046U

CN210509046U - High-efficient three-wing core drilling tool

Info

Publication number: CN210509046U
Application number: CN201920827883.1U
Authority: CN
Inventors: 赵小铭; 冯金喜; 程治胜
Original assignee: Wuxue Mingrui Machinery Co ltd
Current assignee: Wuxue Mingrui Machinery Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-05-12
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a high-efficient three-wing core drilling tool, including drill bit and the brill body, the drill bit top is provided with leading drill bit, is provided with the brill tooth on the leading drill bit, and leading drill bit periphery is provided with alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions, all is provided with the powder discharge groove between the adjacent position of alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions, all is provided with the through-hole on the powder discharge groove. The utility model has the advantages of ingenious design and high working efficiency, is suitable for large-area popularization and use, and can reduce the contact area between the drill bit and the rock stratum and reduce the resistance by setting the alloy tooth position on the drill bit into a three-wing structure, thereby improving the working efficiency; compared with the original small-diameter circular groove, the design of the powder discharge groove increases the powder discharge area, improves the powder discharge effect and is beneficial to the smooth operation of drilling and grinding work; the drill bit and the drill body are welded, so that the wear resistance is better.

Description

High-efficient three-wing core drilling tool

Technical Field

The utility model relates to a drilling tool technical field especially relates to a high-efficient three-wing core drilling tool.

Background

At present, with the continuous improvement of the requirements of China in the aspects of hydropower, nuclear power, highway construction, mine exploitation, foundation construction and the like, the demand of rock drilling equipment and the like is increased more and more. Meanwhile, the drill bit has higher quality requirement for the drill bit matched with the drill bit. The existing drill bit has the defects of unsmooth rock slag discharge and poor powder discharge effect due to the unreasonable design layout of the drilling teeth, the air holes and the powder discharge groove, and the powder discharge groove is far away from the center of the drilling tool and is difficult and slow in powder discharge; the core drilling tools adopted in the market at present have large diameter, large drilling area and large resistance, so that the drilling speed and efficiency are not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a high-efficient three-wing core drilling tool can solve row powder difficulty, rock the too big problem of drilling resistance.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a high-efficient three wing core drilling tools, includes drill bit and the brill body, the drill bit sets up in the brill body upper end, the drill bit top is provided with leading drill bit, be provided with the brill tooth on the leading drill bit, leading drill bit periphery is provided with from the outer alloy tooth position of inner zone, No. two alloy tooth positions, No. three alloy tooth positions, all be provided with No. two brill teeth on alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions, all be provided with the powder discharge groove between the adjacent position of alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions, all be provided with the through-hole on the powder discharge groove.

As an optimal technical scheme of the utility model, bore internal ventilation pipe that is provided with, bore the external side and be provided with the screw thread, bore the body and be connected with the drilling rod through the screw thread.

As a preferred technical scheme of the utility model, No. two brill teeth are respectively by outer evenly distributed of inner zone on alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions, No. two brill tooth quantity that set up on alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions all sets up to four, No. two brill teeth all weld on alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions, a brill tooth quantity sets up to three, a brill tooth welds on leading drill bit, leading drill bit sets up to integral structure with the drill bit, alloy tooth position, No. two alloy tooth positions, No. three alloy tooth positions form three wing structures.

As an optimal technical scheme of the utility model, arrange powder groove evenly distributed on the drill bit, arrange the powder groove and set up to convex structure.

As an optimized technical scheme of the utility model, the ventilation pipe is connected with the through-hole that sets up in the powder discharge groove.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is: the utility model has the advantages of ingenious design and high working efficiency, is suitable for large-area popularization and use, and can reduce the contact area between the drill bit and the rock stratum and reduce the resistance by setting the alloy tooth position on the drill bit into a three-wing structure, so that the impact is more powerful, thereby improving the working efficiency; compared with the original small-diameter circular groove, the design of the powder discharge groove increases the powder discharge area, improves the powder discharge effect and is beneficial to the smooth operation of drilling and grinding work; the drill bit and the drill body are welded, so that the wear resistance is better, and the service life is longer.

Drawings

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

FIG. 2 is a general plan view of the present invention;

FIG. 3 is an overall cross-sectional view of the present invention;

in the figure: 1. a powder discharge groove; 2. the first alloy tooth position; 3. a second alloy tooth position; 4. a front drill bit; 5. drilling a tooth; 6. alloy tooth position III; 7. a through hole; 8. drilling a tooth II; 9. a drill body; 10. a thread; 11. a vent pipe; 12. a drill bit.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-3, the utility model provides a high-efficient three wing core drilling tool, including drill bit 12 and the drill body 9, drill bit 12 sets up in drill body 9 upper end, and drill bit 12 top is provided with leading drill bit 4, is provided with a brill tooth 5 on the leading drill bit 4, and leading drill bit 4 periphery is provided with from the outer alloy tooth position 2 of inner zone, No. two alloy tooth positions 3, No. three alloy tooth positions 6, and No. 2 alloy tooth positions, No. 3 alloy tooth positions, all be provided with No. two brill teeth 8 on No. 6 alloy tooth positions, all be provided with between the adjacent position of an alloy tooth position 2, No. 3 alloy tooth positions, No. three alloy tooth positions 6 and arrange whitewashed groove 1, all be provided with through-hole 7 on arranging whitewashed groove 1.

A ventilation pipe 11 is arranged in the drill body 9, threads 10 are arranged on the outer side of the drill body 9, the drill body 9 is connected with a drill rod through the threads 10, and the ventilation pipe 11 is favorable for discharging rock slag.

No. two brill teeth 8 are respectively by the outer evenly distributed of interior outband on No. 2 alloy tooth positions, No. two alloy tooth positions 3, No. three alloy tooth positions 6, No. 2 alloy tooth positions, No. 3 alloy tooth positions, No. 8 brill teeth that set up on No. three alloy tooth positions 6 all set up to four, No. two brill teeth 8 all weld on No. 2 alloy tooth positions, No. 3 alloy tooth positions, No. three alloy tooth positions 6, No. 5 brill teeth set up to three, No. 5 brill teeth weld on leading drill bit 4, leading drill bit 4 sets up the integral structure with drill bit 12, No. 2 alloy tooth positions, No. 3 alloy tooth positions, No. three alloy tooth positions 6 form three wing structures, the tooth position design reduces the rock-touching area, reduces the resistance.

Arrange powder groove 1 evenly distributed on drill bit 12, arrange powder groove 1 and set up to convex structure, arrange powder groove 1 and make row powder effect better.

The vent pipe 11 is connected with the through hole 7 arranged in the powder discharge groove 1, so that the powder discharge efficiency is improved.

Specifically, the drilling tool comprises a drilling body 9 and a drilling head 12, wherein a ventilation pipe 11 is arranged in the drilling body 9, the drilling head 12 is provided with a first alloy tooth position 2, a second alloy tooth position 3 and a third alloy tooth position 6, a circular arc-shaped three-large powder discharge groove 1 structure is formed between adjacent positions of the first alloy tooth position 2, the second alloy tooth position 3 and the third alloy tooth position 6, the first alloy tooth position 2, the second alloy tooth position 3 and the third alloy tooth position 6 jointly form a three-wing-shaped structure, the front end of the drilling head 12 is provided with a front drilling head 4, the front drilling head 4 is provided with a first drilling tooth 5, the ventilation pipe 11 is arranged in the drilling body 9, and rock discharge work can be carried out by introducing high-pressure air into the ventilation pipe 11; when the rock drilling work is carried out, the contact area between the three-wing-shaped tooth position structure arranged on the drill bit 12 and a rock stratum can be reduced, the resistance is reduced, and the drilling speed can be improved; compared with the original small-diameter circular groove, the three large powder discharge grooves 1 arranged on the drill bit 12 are further beneficial to discharging rock slag, so that the powder discharge effect is obvious, the working efficiency is improved, the abrasion to the drill teeth is reduced, and the service life is prolonged; and the drill bit 12 and the drill body 9 are welded, so that the whole drilling tool is more durable and has better wear resistance.

The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.

Claims

1. The utility model provides a high-efficient three wing core drilling tools, includes drill bit (12) and the brill body (9), its characterized in that, drill bit (12) set up in brill body (9) upper end, drill bit (12) top is provided with leading drill bit (4), be provided with drill tooth (5) on leading drill bit (4), leading drill bit (4) periphery is provided with one alloy tooth position (2), No. two alloy tooth positions (3), No. three alloy tooth positions (6) of follow outband, all be provided with No. two drill tooth (8) on one alloy tooth position (2), No. two alloy tooth positions (3), No. three alloy tooth positions (6), all be provided with between the adjacent position of one alloy tooth position (2), No. two alloy tooth positions (3), No. three alloy tooth positions (6) arrange whitewashed groove (1), all be provided with through-hole (7) on arranging whitewashed groove (1).

2. A high efficiency three wing core drill according to claim 1, characterized in that the drill body (9) is provided with ventilation pipes (11), the outside of the drill body (9) is provided with threads (10), and the drill body (9) is connected with the drill rod by the threads (10).

3. The efficient three-wing rock core drilling tool as claimed in claim 1, wherein the second number of drilling teeth (8) are uniformly distributed on the first number of alloy tooth positions (2), the second number of alloy tooth positions (3) and the third number of alloy tooth positions (6) from the inner zone to the outer zone respectively, the number of the second number of drilling teeth (8) arranged on the first number of alloy tooth positions (2), the second number of alloy tooth positions (3) and the third number of alloy tooth positions (6) is four, the second number of drilling teeth (8) are welded on the first number of alloy tooth positions (2), the second number of alloy tooth positions (3) and the third number of alloy tooth positions (6), the number of the first number of drilling teeth (5) is three, the first number of drilling teeth (5) is welded on the front-located drilling head (4), the front-located drilling head (4) and the drilling head (12) are arranged into an integrated structure, and the first number of alloy tooth positions (2), the second number of alloy tooth positions (3) and the third number of alloy tooth positions (6, The third alloy tooth site (6) forms a three-wing structure.

4. The efficient three-wing core drilling tool according to claim 1, wherein the powder discharge grooves (1) are uniformly distributed on the drill bit (12), and the powder discharge grooves (1) are arranged in a circular arc structure.

5. A high efficiency three wing core drill according to claim 2, characterized in that the ventilation pipe (11) is connected to a through hole (7) provided in the dust chute (1).