CN215057148U

CN215057148U - Diamond bit with extremely high hardness

Info

Publication number: CN215057148U
Application number: CN202022826371.9U
Authority: CN
Inventors: 陆晓敏
Original assignee: Zhenjiang Baide Precision Tools Co ltd
Current assignee: Zhenjiang Baide Precision Tools Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-12-07
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a diamond bit with high hardness, concretely relates to drill bit field, including the principal post, the fixed drill seat that is equipped with in principal post top, drill seat top surface is equipped with the drilling rod, the drilling rod outside evenly is equipped with the fixing base, the fixing base is fixed to be set up to three in drill seat top and fixing base quantity, drill seat outside surface is encircleed and is equipped with the cutting plate. The utility model discloses a be equipped with the drilling rod, fixing base and cutting plate, the drill rod head of drilling rod earlier with the cutting position contact, the diamond bit piece contact that sets up with the even slope in the outside afterwards, can carry out the destruction back at center by the drilling rod head to the cutting position earlier at whole high-speed pivoted in-process and cut by the diamond bit piece of high difference again, accelerate subsequent cutting efficiency can protect diamond bit piece simultaneously, the cutting plate can carry out the rotary cutting once more by the bottom to the position after cutting in addition, guarantee that the principal post can normally stretch out and draw back the removal.

Description

Diamond bit with extremely high hardness

Technical Field

The utility model relates to a drill bit technical field, more specifically say, the utility model relates to a diamond bit with high hardness.

Background

The drill bit with cutting edges is called a diamond drill bit. The drill bit belongs to an integrated drill bit, has no movable parts, is relatively simple in structure, has high strength, high wear resistance and impact resistance, and is one of three new technologies for drilling in the world in the 80 th 20 th century. The on-site use proves that the diamond bit has the advantages of high speed, more footage, long service life, stable work, less underground accidents, good well body quality and the like when drilling in soft-medium hard stratum. The diamond bit not only has long service life, but also can be recycled, the diamond bit repaired in factory is used as well as the diamond bit delivered from factory, and the drilling cost can be greatly saved.

The rock breaking effect of the diamond drill bit is related to lithology and external factors (such as pressure, temperature, formation fluid properties and the like) influencing the lithology, the bit pressure is an important influencing factor, the cutting efficiency is slow at a plurality of parts with very firm lithology, the diamond drill bit is easy to damage, and the drill bit is difficult to penetrate deeply, so that the invention of the diamond drill bit with extremely high hardness is necessary.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned deficiencies of the prior art, embodiments of the present invention provide a diamond drill bit having a very high hardness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a diamond bit with high hardness, includes the king-post, the fixed drill seat that is equipped with in king-post top, drill seat top surface is equipped with the drilling rod, the drilling rod outside evenly is equipped with the fixing base, the fixing base is fixed to be set up to three in drill seat top and fixing base quantity, drill seat outside surface encircles and is equipped with the cutting board, the cutting board sets up in the fixing base bottom, the inside fixed center post that is equipped with of king-post, be equipped with the material chamber between center post and the king-post, material chamber top is equipped with the intercommunication groove, the intercommunication groove sets up inside the drill seat.

In a preferred embodiment, the outer side surface of the drill seat is uniformly provided with side holes, the top surface of the drill seat is uniformly provided with top holes, the top holes are arranged on the outer side of the drill rod, and the side holes and the top holes are communicated with the communicating groove through a communicating cavity.

In a preferred embodiment, the drill rod is arranged on the top of the central column and fixedly connected with the central column through the drill seat, and the top surface of the drill rod is provided with a drill rod head which is in threaded connection with the drill rod.

In a preferred embodiment, the top surface of the fixed seat is uniformly provided with diamond drill blocks, the fixed seat and the diamond drill blocks are both obliquely arranged, and the surfaces of the diamond drill blocks are uniformly provided with diamond particles.

In a preferred embodiment, a support plate is uniformly arranged inside the material passing cavity, the support plate is fixedly arranged between the main column and the central column, and crushing blades are uniformly arranged on the surfaces of the material passing cavity and the cutting plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the drilling rod, fixing base and cutting plate, the drill rod head of drilling rod contacts with the cutting position earlier, the diamond bit piece contact that sets up with the even slope in the outside afterwards, can carry out the destruction of center by the drilling rod head earlier to the cutting position at whole high-speed pivoted in-process and cut by the diamond bit piece of difference in height again, accelerate subsequent cutting efficiency can protect the diamond bit piece simultaneously, the cutting plate can carry out rotary cutting once more to the position after cutting by the bottom in addition, guarantee that the principal post can normally stretch out and draw back and move, ensure the going on of cutting work, can make the rock take place lithology transition when the diamond bit piece is cut, become plasticity by the fragility, the single grain diamond eats the stratum, cut the broken rock under the effect of moment of torsion;

2. through being equipped with king post, center post and logical material chamber, holistic steadiness has been guaranteed to the backup pad that evenly sets up between king post and center post, and the cutting sweeps that produces among the cutting process gets into behind the intercommunication groove by side opening and apical pore entering logical material intracavity discharge again, gets into to go on breaking once more with the broken blade contact on backup pad surface behind the logical material chamber and avoids piling up at logical material intracavity.

Drawings

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

Fig. 2 is a top view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the main column and the center column of the present invention.

The reference signs are: the drilling tool comprises a main column 1, a drilling seat 2, a side hole 21, a top hole 22, a drilling rod 3, a drilling rod head 31, a fixing seat 4, a diamond drilling head block 41, a cutting plate 5, a central column 6, a material passing cavity 7, a supporting plate 71 and a communication groove 8.

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.

According to the diamond drill bit with high hardness shown in the figures 1-3, the diamond drill bit comprises a main column 1, a drill base 2 is fixedly arranged at the top of the main column 1, a drill rod 3 is arranged on the surface of the top of the drill base 2, fixing bases 4 are uniformly arranged on the outer sides of the drill rod 3, the fixing bases 4 are fixedly arranged at the top of the drill base 2, the number of the fixing bases 4 is three, cutting plates 5 are arranged on the surface of the outer side of the drill base 2 in a surrounding mode, the cutting plates 5 are arranged at the bottom of the fixing bases 4, a central column 6 is fixedly arranged inside the main column 1, a material passing cavity 7 is arranged between the central column 6 and the main column 1, a communicating groove 8 is formed in the top of the material passing cavity 7, and the communicating groove 8 is formed inside the drill base 2.

The side hole 21 is evenly equipped with on the surface of the 2 outside of drill seat, and the apical pore 22 is evenly equipped with on the surface of the 2 top of drill seat, and apical pore 22 sets up in the 3 outsides of drilling rod, and side hole 21 and apical pore 22 all communicate with intercommunication groove 8 through logical material chamber, and the cutting sweeps that produce in the cutting process gets into behind the intercommunication groove 8 by side hole 21 and apical pore 22 and gets into behind the logical material intracavity 7 discharge again.

Drilling rod 3 sets up in 6 tops of center post and drilling rod 3 runs through

drill seat

2 and 6 fixed connection of center post, 3 top surfaces of drilling rod are equipped with drilling rod head 31,

drilling rod head

31 and 3 threaded connection of drilling rod, drilling rod head 31 of drilling rod 3 contacts with the cutting position earlier, contact with the diamond bit piece 41 that the even slope in outside set up afterwards, can carry out the destruction at center by drilling rod head 31 earlier to the cutting position at whole high-speed pivoted in-process and cut by the diamond bit piece 41 of high difference again for subsequent cutting efficiency.

The top surface of the fixed seat 4 is uniformly provided with diamond drill bit blocks 41, the fixed seat 4 and the diamond drill bit blocks 41 are obliquely arranged, the surface of each diamond drill bit block 41 is uniformly provided with diamond particles, rock can be changed in lithology during cutting of the diamond drill bit blocks 41, the rock is changed from brittleness to plasticity, and the single diamond particles are eaten into the stratum and cut under the action of torque to break the rock.

The inside backup pad 71 that evenly is equipped with of logical material chamber 7, backup pad 71 are fixed to be set up between king post 1 and king post 6, and logical material chamber 7 and cutting plate 5 surface evenly are equipped with broken blade, and the backup pad 71 that evenly sets up between king post 1 and king post 6 has guaranteed holistic steadiness, and the sweeps gets into to go through material chamber 7 after and carries out breakage once more with the broken blade contact on backup pad 71 surface and avoid piling up in logical material chamber 7.

The utility model discloses the theory of operation:

referring to the description figures 1 and 2: the drill rod head 31 of the drill rod 3 is firstly contacted with a cutting part and then contacted with the diamond drill bit blocks 41 uniformly and obliquely arranged on the outer side, the center of the cutting part can be firstly damaged by the drill rod head 31 in the integral high-speed rotating process and then the cutting is carried out by the diamond drill bit blocks 41 with different heights, the subsequent cutting efficiency is accelerated, and meanwhile, the diamond drill bit blocks 41 can be protected, when the diamond drill bit blocks 41 are cut, the rock can be subjected to lithological transformation and is changed from brittleness to plasticity, single diamonds can be eaten into the stratum, the rock can be cut and broken under the action of torque, in addition, the cutting plate 5 can be used for carrying out rotary cutting on the cut part again from the bottom, the main column 1 can be ensured to normally stretch and move, and the cutting work can be ensured;

referring to the description accompanying fig. 1 and 3: the supporting plate 71 uniformly arranged between the main column 1 and the central column 6 ensures the overall stability, cutting scraps generated in the cutting process enter the communicating groove 8 through the side hole 21 and the top hole 22 and then are discharged after entering the material passing cavity 7, and the cutting scraps enter the material passing cavity 7 and then contact with the crushing blade on the surface of the supporting plate 71 to be crushed again to avoid accumulation in the material passing cavity 7.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the 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. Diamond drill bit with very high hardness, comprising a main column (1), characterized in that: the drill base is characterized in that a drill base (2) is fixedly arranged at the top of a main column (1), drill rods (3) are arranged on the top surface of the drill base (2), fixing bases (4) are evenly arranged on the outer sides of the drill rods (3), the fixing bases (4) are fixedly arranged at the top of the drill base (2) and the fixing bases (4) in number set to be three, cutting plates (5) are arranged on the surface of the outer side of the drill base (2) in a surrounding mode, the cutting plates (5) are arranged at the bottom of the fixing bases (4), a central column (6) is fixedly arranged inside the main column (1), a material passing cavity (7) is arranged between the central column (6) and the main column (1), a communicating groove (8) is arranged at the top of the material passing cavity (7), and the communicating groove (8) is arranged inside the drill base (2).

2. A diamond drill bit of very high hardness according to claim 1, characterized in that: drill seat (2) outside surface evenly is equipped with side opening (21), drill seat (2) top surface evenly is equipped with apical pore (22), apical pore (22) set up in drilling rod (3) outside, side opening (21) and apical pore (22) all communicate through logical material chamber and intercommunication groove (8).

3. A diamond drill bit of very high hardness according to claim 1, characterized in that: the drill rod (3) is arranged at the top of the central column (6), the drill rod (3) penetrates through the drill base (2) and is fixedly connected with the central column (6), a drill rod head (31) is arranged on the surface of the top of the drill rod (3), and the drill rod head (31) is in threaded connection with the drill rod (3).

4. A diamond drill bit of very high hardness according to claim 1, characterized in that: the diamond drill bit block (41) is uniformly arranged on the surface of the top of the fixing seat (4), the fixing seat (4) and the diamond drill bit block (41) are obliquely arranged, and diamond particles are uniformly arranged on the surface of the diamond drill bit block (41).

5. A diamond drill bit of very high hardness according to claim 1, characterized in that: the material passing cavity (7) is internally and uniformly provided with a supporting plate (71), the supporting plate (71) is fixedly arranged between the main column (1) and the central column (6), and the surfaces of the material passing cavity (7) and the cutting plate (5) are uniformly provided with crushing blades.