CN213330907U

CN213330907U - Drill bit of rotary drilling rig

Info

Publication number: CN213330907U
Application number: CN202022104685.8U
Authority: CN
Inventors: 樊利兵; 李晓飞
Original assignee: Jiangsu Honghao Construction Engineering Co ltd
Current assignee: Jiangsu Honghao Construction Engineering Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-01
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a dig rig drill bit soon, including the drill bit body, the top of drill bit body is provided with coupling mechanism, and the bottom of drill bit body is provided with bores tooth mount pad subassembly, and the bottom middle part that bores the tooth mount pad subassembly is provided with two sets of first brill teeth, and the bottom that bores the tooth mount pad subassembly and the outside that two sets of first brill teeth is provided with a plurality of groups of second and bores the tooth, and the lateral wall bottom of drill bit body evenly is provided with six third brill teeth of organizing. Has the advantages that: the utility model is suitable for a hard bed rock or ovum gravel layer can improve the work efficiency who digs the rig drilling soon, and then can reduce the use cost who digs the rig soon, improves the income of engineering.

Description

Drill bit of rotary drilling rig

Technical Field

The utility model relates to a drill bit technical field particularly, relates to a dig rig drill bit soon.

Background

The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering, is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like, is widely applied to foundation construction of various foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like, is suitable for various stratums, has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, and is particularly suitable for foundation construction of urban construction. The drill bit is one of key parts of the rotary drilling rig. When the drill bit of the rotary drilling rig drills and excavates, the drill bit is selected according to the gauge, the drill bit needs to be selected by combining with the actual engineering condition, and otherwise the working efficiency of the rotary drilling rig is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dig rig drill bit soon is applicable to hard bed rock or ovum gravel layer, can improve the work efficiency who digs the rig drilling soon, and then can reduce the use cost who digs the rig soon, improves the advantage of the income of engineering, and then has solved the problem that current drill bit work efficiency is low.

(II) technical scheme

For realize the aforesaid can improve the work efficiency who digs the rig drilling soon, and then can reduce the use cost who digs the rig soon, improve the advantage of the income of engineering, the utility model discloses a specific technical scheme as follows:

the utility model provides a dig rig drill bit soon, includes the drill bit body, and the top of drill bit body is provided with coupling mechanism, and the bottom of drill bit body is provided with bores tooth mount pad subassembly, and the bottom middle part of boring tooth mount pad subassembly is provided with two sets of first brill teeth, and the bottom of boring tooth mount pad subassembly and the outside of two sets of first brill teeth are provided with a plurality of groups of second and bore the tooth, and the lateral wall bottom of drill bit body evenly is provided with six third and bores the tooth.

Further, in order to enable the drill bit body to be stably connected with a power output rod of the rotary drilling rig and further improve the stability of the rotary drilling rig during drilling, the connecting mechanism comprises a connecting frame arranged at the middle of the top end of the drill bit body, a plurality of groups of reinforcing ribs are arranged on the outer side of the connecting frame and the top end of the drill bit body, and pin holes are formed in the side walls of the connecting frame and the reinforcing ribs respectively.

Further, in order to improve the work efficiency of the drill bit during drilling, and can improve the structural strength of each drill tooth, increase the life of boring the tooth, bore tooth mounting bracket subassembly including setting up the disk at drill bit body bottom middle part, the outside of disk evenly is provided with six groups of extension boards, and the one end that the disk was kept away from to every group extension board all extends to the inside wall of drill bit body respectively, the bottom of every group extension board all is provided with a plurality of groups of second respectively and bores the tooth, the bottom of disk is provided with two sets of first drill teeth.

Furthermore, in order to combine with the actual engineering situation and improve the drilling efficiency of the rotary drilling rig, further reduce the use cost of the rotary drilling rig and improve the engineering benefit, the included angle between the cross sections of the first drilling tooth and the second drilling tooth and the bottom surface of the drill bit body is set to be 40-45 degrees; an included angle between the cross section of the third drill tooth and the bottom surface of the drill bit body is set to be 55-60 degrees; the first drill teeth, the second drill teeth and the third drill teeth are identical in structure, and the directions of the two groups of first drill teeth are respectively identical to those of the adjacent second drill teeth; the first drilling tooth comprises a connecting portion arranged at the bottom end of the round block, an extending portion is arranged at the bottom end of the connecting portion, a round angle is arranged between the connecting portion and the extending portion, a chamfer is arranged on the side wall of the bottom end of the extending portion, and a tooth bead is arranged at the bottom end of the extending portion.

(III) advantageous effects

Compared with the prior art, the utility model provides a dig rig drill bit soon possesses following beneficial effect:

(1) the utility model discloses a set up first brill tooth, second and bore tooth and third and bore the tooth, and first brill tooth and second bore the contained angle between tooth and the bottom surface and set up to 40-45 degrees, and the third bores the contained angle between tooth and the bottom surface and sets up to 55-60 degrees to can combine the actual engineering condition, improve the work efficiency of digging the rig drilling soon, and then can reduce the use cost who digs the rig soon, improve the income of engineering.

(2) The connecting mechanism is arranged, so that the drill bit body can be stably connected with the power output rod of the rotary drilling rig, and the stability of the rotary drilling rig during drilling is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a drill bit of a rotary drilling rig according to an embodiment of the present invention;

fig. 2 is a bottom view of a drill bit of a rotary drilling rig according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first drilling tooth of a drill bit of a rotary drilling rig according to an embodiment of the present invention.

In the figure:

1. a drill bit body; 2. a connecting mechanism; 201. a connecting frame; 202. reinforcing ribs; 203. a pin hole; 3. a drill tooth mounting bracket assembly; 301. a round block; 302. an extension plate; 4. a first drill tooth; 401. a connecting portion; 402. an extension portion; 403. tooth beads; 5. a second drill tooth; 6. and a third drill tooth.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a dig rig drill bit soon.

Now combine the attached drawing and detailed implementation mode right the utility model discloses it is further explained, as shown in fig. 1-3, according to the utility model discloses a dig rig drill bit soon, including drill bit body 1, the top of drill bit body 1 is provided with coupling mechanism 2, and the bottom of drill bit body 1 is provided with bores tooth mounting bracket subassembly 3, and the bottom middle part of boring tooth mounting bracket subassembly 3 is provided with two sets of first brill teeth 4, and the bottom of boring tooth mounting bracket subassembly 3 and the outside of two sets of first brill teeth 4 are provided with a plurality of groups of second and bore tooth 5, and the lateral wall bottom of drill bit body 1 evenly is provided with six groups of third and bores tooth 6.

With the help of the above scheme, the utility model discloses can improve the work efficiency who digs the rig drilling soon, and then can reduce the use cost who digs the rig soon, improve the income of engineering.

In an embodiment, for the connecting mechanism 2, the connecting mechanism 2 includes a connecting frame 201 disposed at the middle of the top end of the drill bit body 1, a plurality of groups of reinforcing ribs 202 are disposed on the outer side of the connecting frame 201 and the top end of the drill bit body 1, and pin holes 203 are disposed on the side walls of the connecting frame 201 and the reinforcing ribs 202, so that the drill bit body 1 and a power output rod of the rotary drilling rig can be stably connected, and the stability of the rotary drilling rig during drilling is improved.

In an embodiment, for above-mentioned drill tooth mounting bracket assembly 3, including setting up the round block 301 in drill bit body 1 bottom middle part through drill tooth mounting bracket assembly 3, the outside of round block 301 evenly is provided with six sets of extension boards 302, and the one end that round block 301 was kept away from to every extension board 302 all extends to the inside wall of drill bit body 1 respectively, the bottom of every set of extension board 302 all is provided with a plurality of sets of second drill tooth 5 respectively, the bottom of round block 301 is provided with two sets of first drill teeth 4, thereby improve the work efficiency when the drill bit drills, and can improve the structural strength of each drill tooth, increase the life who drills the tooth.

In one embodiment, for the first drill tooth 4, the included angle between the cross section passing through the first drill tooth 4 and the second drill tooth 5 and the bottom surface of the drill bit body 1 is set to be 40-45 degrees; the included angle between the cross section of the third drill tooth 6 and the bottom surface of the drill bit body 1 is set to be 55-60 degrees; the first drill teeth 4 are identical to the second drill teeth 5 and the third drill teeth 6 in structure, and the directions of the two groups of first drill teeth 4 are respectively identical to those of the adjacent second drill teeth 5; first brill tooth 4 is including setting up connecting portion 401 in the round block 301 bottom, and the bottom of connecting portion 401 is provided with extension 402, is provided with the fillet between connecting portion 401 and the extension 402, and the bottom lateral wall of extension 402 is provided with the chamfer, and the bottom of extension 402 is provided with tooth pearl 403 to can combine the actual engineering condition, improve the work efficiency of digging the rig drilling soon, and then can reduce the use cost of digging the rig soon, improve the income of engineering.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the power head of the rotary drilling rig is connected with the pin hole 203 on the connecting mechanism 2, the rotary drilling rig rotates a drill bit through power of the rotary drilling rig, and in the process, the first drilling tooth 4, the second drilling tooth 5 and the third drilling tooth 6 complete drilling. The arrangement and the layout of the first drilling teeth 4, the second drilling teeth 5 and the third drilling teeth 6 can improve the working efficiency of drilling.

To sum up, with the help of the above technical scheme of the utility model, bore tooth 5 and third through setting up first brill tooth 4, second and bore tooth 6, and the first contained angle that bores between tooth 4 and second brill tooth 5 and the bottom surface sets up to 40-45 degrees, and the third is bored the contained angle between tooth 6 and the bottom surface and is set up to 55-60 degrees to can combine the actual engineering condition, improve the work efficiency who digs the rig drilling soon, and then can reduce the use cost who digs the rig soon, improve the income of engineering. Through setting up coupling mechanism 2 to can make drill bit body 1 and the firm connection of the power take off pole of digging the rig soon, and then improve the stability when digging the rig soon and drilling.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotary drilling rig drill bit, its characterized in that includes drill bit body (1), the top of drill bit body (1) is provided with coupling mechanism (2), the bottom of drill bit body (1) is provided with bores tooth mount pad subassembly (3), the bottom middle part of boring tooth mount pad subassembly (3) is provided with two sets of first brill tooth (4), the bottom of boring tooth mount pad subassembly (3) and two sets of the outside of first brill tooth (4) is provided with a plurality of groups of second and bores tooth (5), the lateral wall bottom of drill bit body (1) evenly is provided with six third and bores tooth (6).

2. The drill bit of the rotary drilling rig according to claim 1, wherein the connecting mechanism (2) comprises a connecting frame (201) arranged in the middle of the top end of the drill bit body (1), a plurality of groups of reinforcing ribs (202) are arranged on the outer side of the connecting frame (201) and the top end of the drill bit body (1), and pin holes (203) are respectively formed in the side walls of the connecting frame (201) and the reinforcing ribs (202).

3. The drill bit of the rotary drilling rig according to claim 1, wherein the drill tooth mounting frame assembly (3) comprises a round block (301) arranged in the middle of the bottom end of the drill bit body (1), six groups of extension plates (302) are uniformly arranged on the outer side of the round block (301), one end, far away from the round block (301), of each group of extension plates (302) extends to the inner side wall of the drill bit body (1) respectively, a plurality of groups of second drill teeth (5) are arranged at the bottom end of each group of extension plates (302), and two groups of first drill teeth (4) are arranged at the bottom end of the round block (301).

4. The rotary drilling rig drill bit according to claim 1, characterized in that an included angle between the cross section of the first drilling tooth (4) and the cross section of the second drilling tooth (5) and the bottom surface of the drill bit body (1) is set to be 40-45 degrees.

5. The rotary drilling rig drill bit according to claim 1, characterized in that an included angle between the cross section of the third drilling tooth (6) and the bottom surface of the drill bit body (1) is set to be 55-60 degrees.

6. The rotary drilling rig drill bit according to claim 1, characterized in that the first drilling tooth (4) and the second drilling tooth (5) and the third drilling tooth (6) are identical in structure, and the two groups of first drilling teeth (4) are respectively identical in orientation with the adjacent second drilling teeth (5).

7. The rotary drilling rig drill bit according to claim 3, characterized in that the first drilling tooth (4) comprises a connecting part (401) arranged at the bottom end of the round block (301), an extending part (402) is arranged at the bottom end of the connecting part (401), a round corner is arranged between the connecting part (401) and the extending part (402), a chamfer is arranged on the side wall of the bottom end of the extending part (402), and a tooth bead (403) is arranged at the bottom end of the extending part (402).