CN214424422U

CN214424422U - Novel composite construction diamond bit of heavy-calibre

Info

Publication number: CN214424422U
Application number: CN202120574088.3U
Authority: CN
Inventors: 高申强; 李玉林; 刘丽; 王海军; 于勇涛
Original assignee: Zhengzhou Sengong Mining Machinery Equipment Co ltd
Current assignee: Zhengzhou Sengong Mining Machinery Equipment Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-19
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a large-caliber novel composite structure diamond drill bit, which comprises a drill rod, wherein the front end of the drill rod is connected with a drill bit component; the drill bit assembly comprises a drill bit body, blades, main teeth, auxiliary teeth and a motor, the motor is connected to the rear portion of the drill bit body, the blades are arranged at the front end of the drill bit body, the main teeth and the auxiliary teeth are arranged on the upper end face of the blades, the auxiliary teeth and the main teeth are arranged on the upper end face of the blades, a water delivery assembly is arranged inside the drill bit assembly, and the drill bit assembly is connected with the drill rod through an inserting assembly. The utility model discloses the novel composite construction diamond bit of heavy-calibre improves drilling speed, reduces the drilling time, has promoted the practicality of drill bit body, has solved the problem that current drill bit assembly life is short, is convenient for install, and hexagon butt joint piece, and the increase is inserted and is closed the area, and the stability of junction when increasing drilling prevents to warp, reduces the damage that the friction brought, improves the safety in utilization.

Description

Novel composite construction diamond bit of heavy-calibre

Technical Field

The utility model relates to a diamond bit technical field specifically is a novel composite construction diamond bit of heavy-calibre.

Background

With the rapid development of society, particularly the progress of science and technology, various industries of the society are greatly developed and improved, and particularly in the aspect of carving and tunneling of some special materials, the application development of the diamond material brings great help to the development of the society. The drill bit is one of the important tools for petroleum drilling work, and whether the drill bit is suitable for the rock property and the quality of the rock property plays an important role in selecting a drilling process. However, the drill bit on the market at present is complex in structure, single in function and incapable of effectively facilitating the disassembly and the assembly of the drill bit bodies, and water delivery cannot be carried out in a limited mode, so that the working efficiency of the drill bit is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel composite construction diamond bit of heavy-calibre improves drilling speed, reduces drilling time, has promoted the practicality of drill bit body, has solved the problem that current drill bit subassembly life is short, and the installation of being convenient for, and the hexagon butt joint piece, increases and inserts the area that closes, and the stability of junction prevents to warp when increasing drilling, reduces the damage that the friction brought, improves the safety in utilization, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a large-caliber novel composite structure diamond drill bit comprises a drill rod, wherein the front end of the drill rod is connected with a drill bit assembly;

the drill bit assembly comprises a drill bit body, blades, main teeth, auxiliary teeth and a motor, the motor is connected to the rear of the drill bit body, the blades are arranged at the front end of the drill bit body, the main teeth and the auxiliary teeth are arranged on the upper end face of the blades, the auxiliary teeth and the main teeth are arranged on the upper end face of the blades, a water delivery assembly is arranged inside the drill bit assembly, and the drill bit assembly is connected with the drill rod through an inserting assembly;

the inserting assembly comprises an inserting rod, an inserting groove, an abutting block, a clamping groove and a sliding groove, the inserting rod is fixed at the tail end of the drill bit assembly, the inserting groove is formed in one end of the drill rod, the clamping groove is formed in the inner wall of the inserting groove, the sliding groove is formed in the bottom end of the inserting groove, and the abutting block which is inserted into the inserting groove is arranged on the outer wall of the inserting rod.

Preferably, the blade is set to be not less than five groups, and the upper end of each group of blade is provided with not less than four groups of main teeth and auxiliary teeth.

Preferably, the water delivery assembly is arranged between the motor and the drill bit body, and the motor is connected with the drill bit body through a shaft rod.

Preferably, the water delivery assembly comprises an outer casing, an upper flange, a lower flange, a connecting rod, a water inlet and a water outlet groove, the upper end and the lower end of the interior of the outer casing are respectively provided with the upper flange and the lower flange, the upper flange and the lower flange are connected through the connecting rod, and the water inlet is formed in the side end of the outer casing.

Preferably, intercommunicated water outlet grooves are formed in the drill bit body and the shaft rod, the shaft rod is connected with the lower flange plate, the water outlet grooves are intercommunicated with the inner part of the outer sleeve shell, and the upper flange plate is connected with an output shaft of the motor.

Preferably, the clamping groove and the butt joint block are not less than five groups, and the rear end of the sliding groove is provided with a clamping hoop groove inserted with the butt joint block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses novel composite construction diamond bit of heavy-calibre, the setting of auxiliary tooth and main tooth is at the wing up end, and drill bit assembly's inside sets up water delivery subassembly, and five groups are no less than in the wing setting, and all set up main tooth and auxiliary tooth of being no less than four groups on every group wing, and the setting through a plurality of main teeth and auxiliary tooth increases the friction surface, improves drilling speed, reduces drilling time, has promoted the practicality of drill bit body, has solved the problem that current drill bit assembly life is short.

2. The utility model discloses novel composite construction diamond bit of heavy-calibre, the sliding tray is seted up to the bottom in the groove of pegging graft, set up on the outer wall of the pole of pegging graft and peg graft the butt joint piece that the groove was pegged graft closed, five groups are all being no less than to joint groove and butt joint piece, and the sliding tray rear end sets up the clamp groove of pegging graft with the butt joint piece, through setting up the pegging graft subassembly, make drill bit assembly can dismantle, the installation of being convenient for, and the hexagon butt joint piece, increase the area of pegging graft, the stability of junction when increasing drilling prevents to warp.

3. The utility model discloses a novel composite construction diamond bit of heavy-calibre, connect by the connecting rod between upper flange dish and the lower flange dish, the water inlet is seted up to the side of outer shell, set up the play basin of intercommunication in drill bit body and the axostylus axostyle, and the axostylus axostyle is connected with lower flange dish, go out intercommunication in basin and the outer shell, the output shaft of upper flange dish and motor, the water inlet inserts the water pipe, through carrying water in the outer shell, carry by going out the basin, through adding water when drilling, when cooling down, reduce the damage that the friction brought, improve the safety in utilization.

Drawings

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

FIG. 2 is a schematic view of the drill bit assembly of the present invention;

FIG. 3 is a structural exploded view of the insertion assembly of the present invention;

FIG. 4 is a cross-sectional view of the structure of the insertion assembly of the present invention;

fig. 5 is a sectional view of the water delivery assembly of the present invention.

In the figure: 1. a drill stem; 2. a drill bit assembly; 21. a drill bit body; 22. a blade; 23. a main gear; 24. secondary teeth; 25. a motor; 251. a shaft lever; 3. a water delivery assembly; 31. an outer casing; 32. an upper flange plate; 33. a lower flange plate; 34. a connecting rod; 35. a water inlet; 36. a water outlet groove; 4. a plug-in assembly; 41. inserting and combining the rods; 42. a plugging groove; 43. a butt joint block; 44. a clamping groove; 45. a sliding groove; 451. a clamp groove.

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. 1-2, a large-caliber novel composite-structure diamond drill bit comprises a drill rod 1, a drill bit assembly 2 is connected to the front end of the drill rod 1, the drill bit assembly 2 comprises a drill bit body 21, blades 22, main teeth 23, auxiliary teeth 24 and a motor 25, the motor 25 is connected to the rear of the drill bit body 21, the blades 22 are arranged at the front end of the drill bit body 21, the main teeth 23 and the auxiliary teeth 24 are arranged on the upper end surfaces of the blades 22, the auxiliary teeth 24 and the main teeth 23 are arranged on the upper end surfaces of the blades 22, a water conveying assembly 3 is arranged inside the drill bit assembly 2, at least five groups of blades 22 are arranged, and at least four groups of main teeth 23 and auxiliary teeth 24 are arranged on the upper end of each group of blades 22, the friction surfaces are increased by the arrangement of the main teeth 23 and the auxiliary teeth 24, the drilling speed is increased, the drilling time is shortened, the practicability of the drill bit body 21 is improved, and the problem that the service life of the existing drill bit assembly 2 is short is solved.

Referring to fig. 3-4, the drill bit assembly 2 is connected to the drill rod 1 by the inserting assembly 4, the inserting assembly 4 includes an inserting rod 41, an inserting groove 42, a butt joint block 43, a joint groove 44 and a sliding groove 45, the inserting rod 41 is fixed at the tail end of the drill bit assembly 2, the inserting groove 42 is formed at one end of the drill rod 1, the joint groove 44 is formed in the inner wall of the inserting groove 42, the sliding groove 45 is formed at the bottom end of the inserting groove 42, the butt joint block 43 inserted into the inserting groove 42 is arranged on the outer wall of the inserting rod 41, at least five groups of the joint groove 44 and the butt joint block 43 are arranged, and a clamp groove 451 inserted into the butt joint block 43 is formed at the rear end of the sliding groove 45.

Referring to fig. 5, the water delivery assembly 3 is disposed between the motor 25 and the drill body 21, the motor 25 is connected to the drill body 21 through a shaft 251, the water delivery assembly 3 includes an outer casing 31, an upper flange 32, a lower flange 33, a connecting rod 34, a water inlet 35 and a water outlet tank 36, the upper and lower ends of the inner part of the outer casing 31 are respectively provided with the upper flange 32 and the lower flange 33, the upper flange 32 and the lower flange 33 are connected by the connecting rod 34, the side end of the outer casing 31 is provided with the water inlet 35, the drill body 21 and the shaft 251 are provided with the water outlet tank 36, the shaft 251 is connected to the lower flange 33, the water outlet tank 36 is communicated with the inner part of the outer casing 31, the upper flange 32 is connected to an output shaft of the motor 25, the water inlet 35 is connected to the water pipe, the water is delivered from the water outlet tank 36 by delivering water, when drilling, the temperature is reduced by adding water, and damage caused by friction is reduced, the use safety is improved.

In summary, the following steps: the utility model discloses a novel large-bore diamond bit with composite structure, the auxiliary tooth 24 and the main tooth 23 are arranged on the upper end surface of the blade 22, the water delivery component 3 is arranged in the bit component 2, the blade 22 is arranged at least five groups, and the upper end of each group of blade 22 is provided with at least four groups of main tooth 23 and auxiliary tooth 24, the friction surface is increased by the arrangement of a plurality of main teeth 23 and auxiliary teeth 24, the drilling speed is increased, the drilling time is reduced, the practicability of the bit body 21 is improved, the problem of short service life of the prior bit component 2 is solved, the bottom end of the inserting groove 42 is provided with the sliding groove 45, the outer wall of the inserting rod 41 is provided with the butt joint block 43 inserted with the inserting groove 42, the joint groove 44 and the butt joint block 43 are provided with at least five groups, and the rear end of the sliding groove 45 is provided with the clamp groove 451 inserted with the butt joint block 43, through the inserting component 4, the bit component 2 can be detached and is convenient to install, the hexagonal butt-joint block 43 enlarges the insertion area, increases the stability of a joint during drilling and prevents deformation, the upper flange plate 32 and the lower flange plate 33 are connected by the connecting rod 34, the side end of the outer casing 31 is provided with the water inlet 35, the drill bit body 21 and the shaft rod 251 are internally provided with the water outlet grooves 36 which are communicated, the shaft rod 251 is connected with the lower flange plate 33, the water outlet grooves 36 are communicated with the inner part of the outer casing 31, the upper flange plate 32 is connected with the output shaft of the motor 25, the water inlet 35 is connected with a water pipe, water is conveyed into the outer casing 31 and conveyed by the water outlet grooves 36, and water is added during drilling to reduce the temperature, reduce the damage caused by friction and improve the use safety.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel composite construction diamond bit of heavy-calibre, includes drilling rod (1), its characterized in that: the front end of the drill rod (1) is connected with a drill bit assembly (2);

the drill bit component (2) comprises a drill bit body (21), a wing (22), a main tooth (23), an auxiliary tooth (24) and a motor (25), the motor (25) is connected to the rear of the drill bit body (21), the wing (22) is arranged at the front end of the drill bit body (21), the main tooth (23) and the auxiliary tooth (24) are arranged on the upper end face of the wing (22), the auxiliary tooth (24) and the main tooth (23) are arranged on the upper end face of the wing (22), a water conveying component (3) is arranged inside the drill bit component (2), and the drill bit component (2) is connected with the drill rod (1) through an inserting component (4);

insert and close subassembly (4) including inserting and close pole (41), insert and close groove (42), butt joint piece (43), joint groove (44) and sliding tray (45), insert and close pole (41) and fix at drill bit subassembly (2) tail end, insert and close groove (42) are seted up to drilling rod (1) one end, and joint groove (44) are seted up to insert and close groove (42) inner wall, and sliding tray (45) are seted up to the bottom in insert and close groove (42), set up on the outer wall of insert and close pole (41) and insert butt joint piece (43) that close with insert and close groove (42).

2. The novel large-caliber composite-structure diamond drill bit according to claim 1, characterized in that: the blade (22) is not less than five groups, and the upper end of each group of blade (22) is provided with not less than four groups of main teeth (23) and auxiliary teeth (24).

3. The novel large-caliber composite-structure diamond drill bit according to claim 2, characterized in that: the water delivery assembly (3) is arranged between the motor (25) and the drill bit body (21), and the motor (25) is connected with the drill bit body (21) through a shaft rod (251).

4. A novel composite construction diamond bit of large caliber according to claim 3, characterized in that: the water delivery assembly (3) comprises an outer casing (31), an upper flange plate (32), a lower flange plate (33), a connecting rod (34), a water inlet (35) and a water outlet groove (36), the upper end and the lower end of the interior of the outer casing (31) are respectively provided with the upper flange plate (32) and the lower flange plate (33), the upper flange plate (32) and the lower flange plate (33) are connected through the connecting rod (34), and the water inlet (35) is formed in the side end of the outer casing (31).

5. The novel large-caliber composite-structure diamond drill bit according to claim 4, characterized in that: the drill bit body (21) and the shaft rod (251) are internally provided with water outlet grooves (36) which are communicated with each other, the shaft rod (251) is connected with the lower flange plate (33), the water outlet grooves (36) are communicated with the outer casing (31), and the upper flange plate (32) is connected with an output shaft of the motor (25).

6. The novel large-caliber composite-structure diamond drill bit according to claim 5, characterized in that: five groups are no less than all arranged in the clamping groove (44) and the butt joint block (43), and the clamp groove (451) inserted with the butt joint block (43) is formed in the rear end of the sliding groove (45).