CN219910643U

CN219910643U - Cone bit

Info

Publication number: CN219910643U
Application number: CN202321458702.5U
Authority: CN
Inventors: 王鹏飞; 李翔; 袁俊胜; 杨伟杰
Original assignee: Shanxi Shiweida Electromechanical Technology Co ltd
Current assignee: Shanxi Shiweida Electromechanical Technology Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-10-27
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to the technical field of mining equipment, in particular to a roller bit, wherein a fixing mechanism sequentially penetrates through a bit body and a groove opening, an anti-slip mechanism is connected into a mounting seat, and the anti-slip mechanism is contacted with the bit body; the anti-slip mechanism comprises a rotating plate, a spring and an anti-slip pad, wherein a mounting groove is formed in the mounting seat, the rotating plate is rotatably connected into the mounting groove, one end of the spring is fixedly connected onto the mounting groove, the other end of the spring is fixedly connected onto the rotating plate, the anti-slip pad is fixedly connected onto the rotating plate, and the anti-slip pad is in contact with the drill bit body. According to the utility model, the rotating plate is pushed by the elasticity of the spring, the rotating plate extrudes the drill bit body through the anti-slip pad, when the drill bit body moves downwards under the gravity of the rotating plate, friction force is generated between the anti-slip pad and the drill bit body, and the generated friction force prevents the drill bit body from moving downwards, so that the drill bit body cannot extrude the double-head screw rod, and the double-head screw rod cannot bend.

Description

Cone bit

Technical Field

The utility model relates to the technical field of mining equipment, in particular to a roller bit.

Background

The roller bit is the most widely used drilling bit, and cutting teeth alternately contact the bottom of a well when the roller bit works, so that the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high, and the stratum is easy to be penetrated; the working edge has a large total length and thus relatively reduced wear.

In the mining process, the roller bit is installed on drilling equipment, when the roller bit is installed and fixed, the roller bit is installed and fixed through the bolt, and threads are arranged on the bolt, so that the aperture of an installation hole formed in the roller bit is larger than the outer diameter of the bolt, when the bolt passes through the installation hole in the roller bit, a gap is formed between the bolt and the installation hole, the roller bit has certain quality, the roller bit extrudes the bolt under the self gravity, and the bolt is easy to bend to a certain extent.

Disclosure of Invention

The utility model aims to solve the defect that a roller bit has certain mass and presses a bolt under the self gravity in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a roller bit is designed, which comprises a bit body, a fixing mechanism and an anti-slip mechanism, wherein:

the fixing mechanism sequentially penetrates through the drill bit body and the groove opening, the anti-slip mechanism is connected into the mounting seat, and the anti-slip mechanism is in contact with the drill bit body;

the anti-slip mechanism comprises a rotating plate, a spring and an anti-slip pad, wherein a mounting groove is formed in the mounting seat, the rotating plate is rotatably connected to the mounting groove, one end of the spring is fixedly connected to the mounting groove, the other end of the spring is fixedly connected to the rotating plate, the anti-slip pad is fixedly connected to the rotating plate, and the anti-slip pad is in contact with the drill bit body.

Preferably, the bit body comprises a roller cone, a plurality of first teeth and a plurality of second teeth, the roller cone is inserted into the mounting seat, the fixing mechanism penetrates through the roller cone, the roller cone is in contact with the anti-slip pad, the first teeth are distributed at equal intervals along the axial line direction of the roller cone, and the second teeth are fixedly connected to the bottom end of the roller cone.

Preferably, the cone, the first tooth and the second tooth are of unitary construction.

Preferably, the fixing mechanism comprises a double-end screw rod and two symmetrically arranged fixing nuts, the double-end screw rod sequentially penetrates through the drill bit body and the groove opening, and the two symmetrically arranged fixing nuts are fixedly connected to two ends of the double-end screw rod.

Preferably, the anti-slip pad is a rubber pad.

Preferably, the sealing mechanism further comprises a sealing mechanism for sealing the groove opening, the sealing mechanism comprises a rotating shaft, a baffle and a connecting seat, the rotating shaft is rotatably connected to the mounting seat, the baffle is fixedly connected to the rotating shaft, the connecting seat is fixedly connected to the mounting seat, a clamping block is fixedly connected to the baffle, a clamping groove is formed in the mounting seat, and the clamping block is clamped in the clamping groove.

The roller bit provided by the utility model has the beneficial effects that:

through the elasticity promotion dwang of spring, the dwang extrudees the drill bit body through the slipmat, and when the drill bit body moved down under self gravity, produced frictional force between slipmat and the drill bit body, the frictional force that produces hindered drill bit body to the drill bit body can not cause the extrusion to the double-end screw rod, and the double-end screw rod can not take place to crooked.

Drawings

FIG. 1 is a schematic diagram of a roller cone drill bit according to the present utility model;

FIG. 2 is a schematic diagram of a roller cone bit according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a roller cone drill bit according to the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3.

In the figure: bit body 1, mount pad 2, recess mouth 3, fixed mechanism 4, anti-slip mechanism 5, sealing mechanism 6, cone 11, first tooth 12, second tooth 13, double-ended screw 41, fixation nut 42, rotation plate 51, spring 52, anti-slip pad 53, pivot 61, baffle 62, connecting seat 63.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a roller cone drill bit comprises a bit body 1, a securing mechanism 4, and an anti-slip mechanism 5, wherein:

the drill bit body 1 is spliced to the mounting seat 2, the mounting seat 2 is used for mounting the drill bit body 1, the mounting seat 2 is provided with a groove opening 3, the groove opening 3 is used for mounting a fixing mechanism 4, the fixing mechanism 4 sequentially penetrates through the drill bit body 1 and the groove opening 3, the fixing mechanism 4 is used for mounting and fixing the drill bit body 1, the drill bit body 1 cannot fall from the mounting seat 2, the anti-slip mechanism 5 is connected into the mounting seat 2, the anti-slip mechanism 5 is used for extruding the drill bit body 1, after the drill bit body 1 is fixed through the fixing mechanism 4, the drill bit body 1 cannot move downwards in the mounting seat 2 under the obstruction of the anti-slip mechanism 5, the drill bit body 1 cannot contact with the fixing mechanism 4 under the gravity of the self, and the anti-slip mechanism 5 is contacted with the drill bit body 1;

the anti-slip mechanism 5 comprises a rotating plate 51, a spring 52 and an anti-slip pad 53, wherein a mounting groove is formed in the mounting seat 2, the rotating plate 51 is rotatably connected into the mounting groove, the rotating plate 51 is used for extruding the anti-slip pad 53, one end of the spring 52 is fixedly connected onto the mounting groove, the spring 52 is used for elastically extruding the rotating plate 51, the other end of the spring 52 is fixedly connected onto the rotating plate 51, the anti-slip pad 53 is used for increasing friction between the drill bit body 1 and the anti-slip pad 53, the drill bit body 1 cannot slide downwards in the mounting seat 2, the anti-slip pad 53 is a rubber pad, and the anti-slip pad 53 is contacted with the drill bit body 1;

the drill bit body 1 comprises a roller cone 11, a plurality of first teeth 12 and a plurality of second teeth 13, wherein the roller cone 11 is inserted into a mounting seat 2, a fixing mechanism 4 penetrates through the roller cone 11, the roller cone 11 is contacted with an anti-slip pad 53, the plurality of first teeth 12 are distributed at equal intervals along the axial line direction of the roller cone 11, the first teeth 12 are used for cutting the side wall of a mine hole, the plurality of second teeth 13 are fixedly connected to the bottom end of the roller cone 11, the second teeth 13 are used for cutting the advancing direction of the roller cone 11, and the roller cone 11, the first teeth 12 and the second teeth 13 are of an integrated structure;

the fixing mechanism 4 comprises a double-headed screw 41 and two symmetrically arranged fixing nuts 42, the double-headed screw 41 sequentially penetrates through the drill bit body 1 and the groove opening 3, the double-headed screw 41 is used for limiting and fixing the drill bit body 1, the two symmetrically arranged fixing nuts 42 are fixedly connected to two ends of the double-headed screw 41, and the fixing nuts 42 are used for fixing the double-headed screw 41.

The working process comprises the following steps: the upper end of cone 11 inserts on mount pad 2, the in-process of cone 11 inserting mount pad 2, cone 11 extrudees rotating plate 51 through slipmat 53, rotating plate 51 rotates back extrusion spring 52, spring 52 is pressed and is produced elasticity, after the upper end of cone 11 inserts mount pad 2 completely, double-end screw 41 passes cone 11 and recess mouth 3 in proper order, fixation nut 42 is fixed double-end screw 41, thereby fix cone 11, after cone 11 is fixed, the elasticity of spring 52 promotes rotating plate 51, rotating plate 51 extrudees cone 11 through slipmat 53, when cone 11 moves down under self gravity, the slipmat 53 produces frictional force with cone 11, the frictional force that produces hinders bit body 1 to move down, thereby bit body 1 can not cause the extrusion to double-end screw 41, double-end screw 41 can not take place the bending.

Example 2

When the drill bit body 1 drills a mine hole, generated broken stone dust splashes, part of broken stone dust is accumulated in the groove opening 3, dust is attached to the double-headed screw 41, connection between the fixing nut 42 and the double-headed screw 41 is affected, referring to fig. 1, as another preferred embodiment of the utility model, the drill bit further comprises a sealing mechanism 6 for sealing the groove opening 3, the sealing mechanism 6 comprises a rotating shaft 61, a baffle plate 62 and a connecting seat 63, the rotating shaft 61 is rotatably connected to the mounting seat 2, the baffle plate 62 is fixedly connected to the rotating shaft 61, the connecting seat 63 is fixedly connected to the mounting seat 2, a clamping block is fixedly connected to the baffle plate 62, a clamping groove is formed in the mounting seat 2, the clamping block is clamped in the clamping groove, the baffle plate 62 is rotated by a certain angle after being rotated, the baffle plate 62 is fixed by the clamping block, the fixed baffle plate 62 covers and seals the groove opening 3, and dust cannot accumulate in the groove opening 3.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The roller bit is characterized by comprising a bit body (1), a fixing mechanism (4) and an anti-slip mechanism (5), wherein:

the fixing mechanism (4) sequentially penetrates through the drill bit body (1) and the groove opening (3), the anti-slip mechanism (5) is connected into the mounting seat (2), and the anti-slip mechanism (5) is in contact with the drill bit body (1);

the anti-slip mechanism (5) comprises a rotating plate (51), a spring (52) and an anti-slip pad (53), wherein a mounting groove is formed in the mounting seat (2), the rotating plate (51) is rotatably connected to the mounting groove, one end of the spring (52) is fixedly connected to the mounting groove, the other end of the spring (52) is fixedly connected to the rotating plate (51), the anti-slip pad (53) is fixedly connected to the rotating plate (51), and the anti-slip pad (53) is in contact with the drill bit body (1).

2. The roller bit according to claim 1, wherein the bit body (1) comprises a roller cone (11), a plurality of first teeth (12) and a plurality of second teeth (13), the roller cone (11) is inserted into the mounting seat (2), the fixing mechanism (4) penetrates through the roller cone (11), the roller cone (11) is contacted with the anti-slip pad (53), the plurality of first teeth (12) are distributed at equal intervals along the axial line direction of the roller cone (11), and the plurality of second teeth (13) are fixedly connected to the bottom end of the roller cone (11).

3. The roller cone drill bit of claim 2 wherein the roller cone (11), the first teeth (12) and the second teeth (13) are of unitary construction.

4. Roller cone drill bit according to claim 1, characterized in that the fixing mechanism (4) comprises a double-ended screw (41) and two symmetrically arranged fixing nuts (42), the double-ended screw (41) sequentially penetrates through the drill bit body (1) and the groove port (3), and the two symmetrically arranged fixing nuts (42) are fixedly connected to two ends of the double-ended screw (41).

5. The roller cone drill bit of claim 1 wherein the non-slip pad (53) is a rubber pad.

6. The roller bit according to claim 1, further comprising a sealing mechanism (6) for sealing the groove opening (3), wherein the sealing mechanism (6) comprises a rotating shaft (61), a baffle plate (62) and a connecting seat (63), the rotating shaft (61) is rotatably connected to the mounting seat (2), the baffle plate (62) is fixedly connected to the rotating shaft (61), the connecting seat (63) is fixedly connected to the mounting seat (2), a clamping block is fixedly connected to the baffle plate (62), a clamping groove is formed in the mounting seat (2), and the clamping block is clamped in the clamping groove.