CN218563591U

CN218563591U - Tricone bit of broken rock of high efficiency

Info

Publication number: CN218563591U
Application number: CN202222858131.6U
Authority: CN
Inventors: 王刚
Original assignee: Xian Shiyou University
Current assignee: Xian Shiyou University
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a three roller bit of broken rock of high efficiency, including fixed block, mounting and installation sleeve, a plurality of fixed block is installed to the outer wall of mounting, the installation sleeve is installed to the bottom of mounting outer wall, the mounting hole has been seted up at the top of fixed block, the connecting block is installed to the inner wall of mounting hole, the drill bit claw is installed at the top of connecting block. One side of the fixed block is provided with a group of threaded holes. The utility model discloses a fixed block, the mounting hole, the connecting block, the drill bit claw, screw hole and fixing bolt's setting, three roller bit, even if damage one because long-term the use, only need to rotate the roller bit that fixing bolt will damage and take out alone, the roller bit who has changed just can continue to use, can avoid causing the wasting of resources, through the bearing, the oil filler point, the setting of sealing washer and steel ball, be favorable to reducing the frictional force when roller cone rotates with the bearing, improve the life of roller cone.

Description

Tricone bit of broken rock of high efficiency

Technical Field

The utility model relates to a drilling equipment technical field specifically is a high efficiency rock breaking tri-cone rotary drill bit.

Background

The tricone bit is an important tool for petroleum drilling, the working performance of the tricone bit directly influences the drilling quality, the drilling efficiency and the drilling cost, and the tricone bit is one of the drilling bits which are most widely applied, and has the characteristics of wide application range, high mechanical drilling speed and high rock breaking efficiency.

The tricone bit of broken rock of high efficiency among the prior art shortcoming is not enough:

patent document CN210598828U discloses a novel tricone bit of oil and gas exploration exploitation, including the drill bit spliced pole, the top fixedly connected with drill bit seat of drill bit spliced pole, one side fixedly connected with drill bit claw of drill bit seat, the oil filler point has been seted up to one side of drill bit claw. This novel tricone bit of oil and gas exploration exploitation, through the drill bit spliced pole, the drill bit seat, the cooperation setting of gasket, can protect the drill bit seat not worn and torn at the in-process that creeps into, prolong tricone bit's life, has better economic benefits, the condition that current tricone bit creeps into in-process drill bit seat and receives wearing and tearing has been solved, through the drill bit seat, the drill bit claw, the cooperation setting of gear wheel, can make the space between the gear wheel bigger, it is better to creep into the effect, it is more smooth and easy, the unsatisfactory condition of effect has been extruded to the current piece has been solved.

The tricone bit of oil and gas exploration exploitation of above-mentioned publication mainly considers how to solve the current unsatisfactory condition of clastic extrusion effect, and the high efficiency rock-breaking tricone bit of current uses for a long time after, and cone and cusp are damaged easily, and the tricone bit of the broken rock of current high efficiency mostly machinery as an organic whole, even if just damage a cone and cusp just need change whole tricone bit, leads to the condition of wasting of resources to appear easily.

In view of the above, it is necessary to develop a tricone bit for breaking rock with high efficiency, so as to improve the practicability of the tricone bit in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high efficiency rock breaking's tricone bit to solve the current rock breaking's of high efficiency rock tri-cone bit majority machinery as an organic whole that proposes in the above-mentioned background art, even if only damage a gear wheel and cusp just need change whole tricone bit, lead to the problem of wasting of resources easily.

In order to achieve the purpose, the utility model provides the following technical scheme, a high-efficiency rock breaking tricone bit comprises a fixed block, a fixed part and a mounting sleeve, wherein the outer wall of the fixed part is provided with a plurality of fixed blocks, and the bottom of the outer wall of the fixed part is provided with the mounting sleeve;

the top of the fixed block is provided with a mounting hole, the inner wall of the mounting hole is provided with a connecting block, and the top of the connecting block is provided with a drill bit claw;

a set of threaded hole is seted up to one side of fixed block, fixing bolt is installed to the inner wall of threaded hole, and fixing bolt's outer wall through-mounting is in the inner wall of connecting block.

Preferably, the bottom of the fixing part is provided with a rotating disc, the outer wall of the rotating disc is provided with a first limiting ring, and the periphery of the bottom of the rotating disc is provided with a second limiting ring.

Preferably, the drill bit connecting table is installed at the bottom of the installing sleeve, and a thread layer is arranged on the outer wall of the drill bit connecting table.

Preferably, a bearing is installed on one side of the bit claw, a cone is installed on the outer wall of the bearing, a tooth point is installed on the outer wall of the cone, a through hole is formed in one side of the cone, a limiting rod is installed on the inner wall of the through hole, one end of the limiting rod is installed on one side of the bearing, and a limiting block is installed at the other end of the limiting rod.

Preferably, the sealing washer is installed to the outer wall of bearing, and the oil filler point has been seted up to one side of bearing, and the opposite side of locating drill bit claw is seted up to the one end of oil filler point, and the steel ball is installed to the other end of oil filler point.

Preferably, a first annular groove is formed in the inner wall of the mounting sleeve, the inner wall of the first annular groove is mounted on the outer wall of the first limiting ring, a second annular groove is formed in the inner bottom wall of the mounting sleeve, and the inner wall of the second annular groove is mounted on the outer wall of the second limiting ring.

Preferably, the bottom of the rotating disc is provided with a fixing hole, and the outer wall of the fixing hole is provided with a plurality of limiting grooves.

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

1. the utility model discloses a fixed block, the mounting hole, the connecting block, the drill bit claw, screw hole and fixing bolt's setting, three roller bit, even if damage one because long-term the use, only need to rotate the roller bit that fixing bolt will damage and take out alone, the roller bit who has changed just can continue to use, can avoid causing the wasting of resources, through the bearing, the oil filler point, the setting of sealing washer and steel ball, be favorable to reducing the frictional force when roller cone rotates with the bearing, improve the life of roller cone.

2. The utility model discloses a mounting, carousel, first restriction ring, second restriction ring, first annular groove and second annular groove's setting is favorable to improving the stability when tricone bit rotates, rocks the problem that causes drilling efficiency to reduce when avoiding using, through the setting of fixed orifices and restriction groove, conveniently drives tricone bit and rotates.

Drawings

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

fig. 2 is a schematic structural view of the mounting sleeve of the present invention;

FIG. 3 is a schematic view of the bearing structure of the present invention;

FIG. 4 is a schematic view of the structure of the rotating disc of the present invention;

FIG. 5 is a schematic view of a cone structure according to the present invention.

In the figure: 1. a fixed block; 2. a fixing member; 3. installing a sleeve; 101. mounting holes; 102. connecting blocks; 103. a drill bit claw; 104. a threaded hole; 105. fixing the bolt; 201. rotating the disc; 202. a first confinement ring; 203. a second confinement ring; 301. a drill bit connecting table; 302. a threaded layer; 401. a bearing; 402. a cone; 403. a dental tip; 404. a through hole; 405. a restricting lever; 406. a limiting block; 501. a seal ring; 502. an oil filler hole; 503. a steel ball; 601. a first annular groove; 602. a second annular groove; 701. a fixing hole; 702. a restraining 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, according to an embodiment of the present invention, a high-efficiency rock breaking tri-cone rotary drill bit includes a fixing block 1, a fixing member 2 and a mounting sleeve 3, wherein the fixing block 1 is mounted on an outer wall of the fixing member 2, the mounting sleeve 3 is mounted at a bottom of the outer wall of the fixing member 2, a drill bit connecting table 301 is mounted at a bottom of the mounting sleeve 3, and a thread layer 302 is disposed on an outer wall of the drill bit connecting table 301;

referring to fig. 1, 3 and 5, a mounting hole 101 is formed at the top of a fixing block 1, a connecting block 102 is mounted on the inner wall of the mounting hole 101, a bit claw 103 is mounted at the top of the connecting block 102, a set of threaded holes 104 are formed at one side of the fixing block 1, a fixing bolt 105 is mounted on the inner wall of the threaded hole 104, the outer wall of the fixing bolt 105 is penetratingly mounted on the inner wall of the connecting block 102, a bearing 401 is mounted on one side of the bit claw 103, a cone 402 is mounted on the outer wall of the bearing 401, a cone point 403 is mounted on the outer wall of the cone 402, a through hole 404 is formed at one side of the cone 402, a limiting rod 405 is mounted on the inner wall of the through hole 404, one end of the limiting rod 405 is mounted on one side of the bearing 401, a limiting block 406 is mounted on the other end of the limiting rod 405, a sealing ring 501 is mounted on the outer wall of the bearing 401, an oil filling hole 502 is formed in one side of the bearing 401, one end of the oil filling hole 502 is formed in the other side of the bit claw 103, a steel ball 503 is mounted at the other end of the oil filling hole 502, one damaged bit 402 can be taken out independently by rotating the fixing bolt 105 through the arrangement of the fixing block 1, the mounting hole 101, the connecting block 102, the bit claw 103, the threaded hole 104 and the fixing bolt 105, and resources can be avoided being wasted, and the friction force between the cone 402 and the bearing 401 during rotation can be reduced and the service life of the cone 402 can be prolonged due to the arrangement of the bearing 401, the oil filling hole 502, the sealing ring 501 and the steel ball 503;

referring to fig. 1, 2 and 4, a rotating disc 201 is installed at the bottom of a fixed member 2, a first limiting ring 202 is installed on the outer wall of the rotating disc 201, a second limiting ring 203 is installed on the periphery of the bottom of the rotating disc 201, a first annular groove 601 is formed in the inner wall of an installation sleeve 3, the inner wall of the first annular groove 601 is installed on the outer wall of the first limiting ring 202, a second annular groove 602 is formed in the inner bottom wall of the installation sleeve 3, the inner wall of the second annular groove 602 is installed on the outer wall of the second limiting ring 203, a fixed hole 701 is formed in the bottom of the rotating disc 201, a plurality of limiting grooves 702 are formed in the outer wall of the fixed hole 701, and the fixed member 2, the rotating disc 201, the first limiting ring 202, the second limiting ring 203, the first annular groove 601 and the second annular groove 602 are arranged, so that the stability of a tri-cone 402 drill bit during rotation is improved, the problem that the drilling efficiency is reduced due to shaking during use is solved, and the tri-cone 402 bit is conveniently driven to rotate through the arrangement of the fixed hole 701 and the limiting grooves 702.

The working principle is that through the fixed block 1, the mounting hole 101, the connecting block 102, the bit claws 103, the threaded holes 104 and the fixing bolts 105, three roller cone 402 bits, even if one is damaged due to long-term use, the damaged roller cone 402 bit can be taken out only by rotating the fixing bolts 105, the replaced roller cone 402 bit can be used continuously, resource waste can be avoided, through the arrangement of the bearing 401, the oil filling hole 502, the sealing ring 501 and the steel ball 503, the friction force between the roller cone 402 and the bearing 401 during rotation is favorably reduced, the service life of the roller cone 402 is prolonged, through the fixing piece 2, the rotating disc 201, the first limiting ring 202, the second limiting ring 203, the first annular groove 601 and the second annular groove 602, the stability of the roller cone 402 bit during rotation is favorably improved, the problem of reduction of the drilling efficiency caused by shaking during use is avoided, through the arrangement of the fixing holes 701 and the limiting grooves 702, the roller cone 402 bit is conveniently driven to rotate.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high efficiency is broken tricone bit of rock, includes fixed block (1), mounting (2) and installation sleeve (3), its characterized in that: the outer wall of the fixing piece (2) is provided with a plurality of fixing blocks (1), and the bottom of the outer wall of the fixing piece (2) is provided with a mounting sleeve (3);

the top of the fixing block (1) is provided with a mounting hole (101), the inner wall of the mounting hole (101) is provided with a connecting block (102), and the top of the connecting block (102) is provided with a drill bit claw (103);

a group of threaded holes (104) are formed in one side of the fixing block (1), fixing bolts (105) are installed on the inner walls of the threaded holes (104), and the outer walls of the fixing bolts (105) are installed on the inner walls of the connecting blocks (102) in a penetrating mode.

2. A tricone bit for high efficiency rock breaking according to claim 1, wherein: rotating disc (201) is installed to the bottom of mounting (2), and first confinement ring (202) is installed to the outer wall of rotating disc (201), and second confinement ring (203) is installed to the periphery of rotating disc (201) bottom.

3. A tricone bit for high efficiency rock breaking according to claim 1, wherein: the drill bit connecting table (301) is installed at the bottom of the installing sleeve (3), and a thread layer (302) is arranged on the outer wall of the drill bit connecting table (301).

4. A tricone bit for breaking rock with high efficiency as claimed in claim 1, wherein: bearing (401) is installed to one side of drill bit gripper (103), cone (402) is installed to the outer wall of bearing (401), cusp (403) is installed to the outer wall of cone (402), through-hole (404) have been seted up to one side of cone (402), and restriction pole (405) is installed to the inner wall of through-hole (404), and the one end of restriction pole (405) is installed in one side of bearing (401), and restriction piece (406) is installed to the other end of restriction pole (405).

5. A tricone bit for high efficiency rock breaking according to claim 4, wherein: sealing washer (501) is installed to the outer wall of bearing (401), and oil filler point (502) have been seted up to one side of bearing (401), and the opposite side of drill bit claw (103) is seted up to the one end of oil filler point (502), and steel ball (503) are installed to the other end of oil filler point (502).

6. A tricone bit for high efficiency rock breaking according to claim 1, wherein: first annular groove (601) have been seted up to the inner wall of installation sleeve (3), and the outer wall in first confinement ring (202) is installed to the inner wall of first annular groove (601), and second annular groove (602) have been seted up to the inner bottom wall of installation sleeve (3), and the outer wall in second confinement ring (203) is installed to the inner wall of second annular groove (602).

7. A tricone bit for high efficiency rock breaking according to claim 2, wherein: the bottom of the rotating disc (201) is provided with a fixing hole (701), and the outer wall of the fixing hole (701) is provided with a plurality of limiting grooves (702).