CN215761519U

CN215761519U - Geological drilling bit

Info

Publication number: CN215761519U
Application number: CN202122163889.3U
Authority: CN
Inventors: 姬钊; 雷云龙; 刘国豪; 连少洁; 苟启东; 詹茂凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-08
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a geological drilling bit which comprises a bit body, a bit and a stop block, wherein the stop block is abutted against the side surface of the bit so as to be tenon-fixed in a mounting groove formed in the bit body. The utility model provides a geological drilling bit, the device sets up mounting groove one and mounting groove two on the bit body respectively, and mounting groove one is used for installing the tool bit, and mounting groove two-purpose is used for installing the dog, if the tool bit breaks up in work, is convenient for change the tool bit, can not influence work; the device is provided with the stop block, the stop block is used for absorbing force generated when the cutter head cuts earth rocks, the damage of the contact surface between the drill bit body and the cutter head caused by the direct action of the force on the drill bit body is avoided, the size of the stop block is small, the replacement is convenient, and the cost of replacement is not high even if the damage exists; the cutter head, the stop block and the drill bit body of the device are made of different materials, the hardness of the materials is gradually reduced, and the manufacturing cost of the drill bit can be saved.

Description

Geological drilling bit

Technical Field

The present invention relates to a geological drilling bit.

Background

In geological drilling it is necessary to drill down from the surface with a drilling rig to form a cylindrical borehole to identify and demarcate the subsurface. As the drill progresses down the drill bit is required, which is rotated at high speed to cut the earth and rock. During the operation of the drill bit, hard rock may be encountered, which may cause the drill bit to break the bit when cutting it, which is not favorable for the drilling operation to be smoothly performed.

According to the geology prospect probing drill bit that patent number CN211549595U discloses, including the main brill, a main brill bottom center fixedly connected with top is bored, a plurality of circumference array distributions 'T' shape groove is seted up to main brill week side, "T" shape inslot cover is equipped with a sidetracking, a main brill bottom fixedly connected with bores the body, it has a nut to bore the body bottom through external screw thread threaded connection, bore the body top and seted up a cross recess, and bore body top center and seted up a rectangular channel, bore the first screw hole that four array distributions at body top, a connector is established to cross recess and rectangular channel endotheca, the second screw hole has been seted up respectively to the position that the connector corresponds four first screw holes, second screw hole and the first screw hole female connection that corresponds have a bolt. The device sets up the top and bores, takes the lead to carry out the small size center probing, and the main brill probing of can being convenient for improves probing efficiency, sets up the sidetracking and can assist the probing, and cooperation "T" shape groove, nut are convenient for change arbitrary sidetracking, through setting up the coupling part who bores the body, can make things convenient for the main brill to be connected with the connector, and sound construction is convenient for install and dismantle.

When the conventional geological drilling bit is subjected to bit breakage, two treatment methods are generally adopted: firstly, the damaged drill bit is continuously used; and secondly, replacing a new drill bit. The drill bit that continues to use the damage can lead to other tool bits quick wear still to reduce work efficiency, and the drill bit cost of more renewing is too high again, and this just needs a drill bit that can conveniently change the tool bit, can the quick replacement tool bit that collapses when the tool bit collapses absolutely, continues to put into use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a geological drilling bit, which can conveniently replace a bit of a cutter head, can quickly replace the broken cutter head when the cutter head is broken and can be continuously put into use.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a geological drilling drill bit, includes drill bit body, tool bit and dog, the dog butt is in the side of tool bit so that its tenon is fixed in the mounting groove of seting up on the drill bit body.

Preferably, the top of the drill bit body is respectively provided with a first mounting groove and a second mounting groove which are distributed in a circumferential array, and the first mounting groove is communicated with the second mounting groove.

Preferably, threaded holes are formed in the side walls of the first mounting groove and the second mounting groove.

Preferably, the tool bit is assembled in the first mounting groove, a threaded through hole is formed in the tool bit, a first screw is connected to the threaded through hole in a threaded mode, and the threaded portion of the first screw extends into the threaded hole in the side wall of the first mounting groove.

Preferably, the stopper is assembled in the second mounting groove, a threaded through hole is formed in the stopper, a second screw is connected to the threaded through hole in a threaded manner, and a threaded portion of the second screw extends into a threaded hole in the side wall of the second mounting groove.

Preferably, the material of the cutting head is hard alloy.

Preferably, the stopper is made of 45 steel.

Preferably, the drill bit body is made of common carbon structural steel.

In the technical scheme, the geological drilling bit provided by the utility model has the following beneficial effects: the device is characterized in that a first mounting groove and a second mounting groove are respectively formed in a drill bit body, the first mounting groove is used for mounting a cutter bit, the second mounting groove is used for mounting a stop block, if the cutter bit is broken during working, the cutter bit is convenient to replace, and the working is not influenced; the device is provided with a stop block, the stop block is used for absorbing force generated when the cutter head cuts earth rocks, and the damage of the contact surface between the drill bit body and the cutter head caused by the direct action of the force on the drill bit body is avoided; the cutter head, the stop block and the drill bit body of the device are made of different materials, the hardness of the materials is gradually reduced, and the manufacturing cost of the drill bit can be saved.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed 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 described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a drill bit body according to an embodiment of the present invention;

fig. 4 is an enlarged view of fig. 3 at B.

Description of reference numerals:

10. a drill bit body; 11. a first mounting groove; 12. a second mounting groove; 20. a cutter head; 30. a stopper; 40. a first screw; 50. and a second screw.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a geological drilling bit comprises a bit body 10, a cutter head 20 and a stopper 30, wherein the stopper 30 abuts against the side surface of the cutter head 20 so as to be tenon-fixed in a mounting groove formed on the bit body 10; when the tool bit 20 and the stop block 30 are installed, the tool bit 20 is firstly placed into the first installation groove 11, then the stop block 30 is placed into the second installation groove 12, the stop block 30 is tightly attached to the side wall of the tool bit 20, the first screw 40 is screwed into the threaded through hole in the tool bit 20, the first screw 40 is continuously rotated until the first screw 40 is screwed into the threaded hole in the side wall of the first installation groove 11, the second screw 50 is screwed into the threaded through hole in the stop block 30, the second screw 50 is continuously rotated until the second screw 50 is screwed into the threaded hole in the side wall of the second installation groove 12, at the moment, the tool bit 20 and the stop block 30 are installed completely, the drill bit body 10 is installed on a drilling machine, and the operation is started.

As shown in fig. 3-4, a first mounting groove 11 and a second mounting groove 12 which are distributed in a circumferential array are respectively formed at the top of the drill bit body 10, the first mounting groove 11 is communicated with the second mounting groove 12, and the top view of the first mounting groove 11 is a right-angle trapezoid; when the tool bit 20 is installed in the first installation groove 11, the stopper 30 is installed in the second installation groove 12, and the stopper 30 abuts against the side wall of the tool bit 20.

As shown in fig. 4, threaded holes are formed in the side walls of the first mounting groove 11 and the second mounting groove 12; when the tool bit 20 and the stop block 30 are installed, the tool bit 20 is firstly placed into the first installation groove 11, then the stop block 30 is placed into the second installation groove 12, the stop block 30 is tightly attached to the side wall of the tool bit 20, the first screw 40 is screwed into the threaded through hole in the tool bit 20, the first screw 40 is continuously rotated until the first screw 40 is screwed into the threaded hole in the side wall of the first installation groove 11, the second screw 50 is screwed into the threaded through hole in the stop block 30, the second screw 50 is continuously rotated until the second screw 50 is screwed into the threaded hole in the side wall of the second installation groove 12, at the moment, the tool bit 20 and the stop block 30 are installed completely, the drill bit body 10 is installed on a drilling machine, and the operation is started.

2-4, the tool bit 20 is assembled in the first mounting groove 11, a threaded through hole is formed in the tool bit 20, a first screw 40 is connected to the threaded through hole in a threaded manner, and the threaded portion of the first screw 40 extends into the threaded hole in the side wall of the first mounting groove 11; when the tool bit 20 and the stop block 30 are installed, the tool bit 20 is firstly placed into the first installation groove 11, then the stop block 30 is placed into the second installation groove 12, the stop block 30 is tightly attached to the side wall of the tool bit 20, the first screw 40 is screwed into the threaded through hole in the tool bit 20, the first screw 40 is continuously rotated until the first screw 40 is screwed into the threaded hole in the side wall of the first installation groove 11, the second screw 50 is screwed into the threaded through hole in the stop block 30, the second screw 50 is continuously rotated until the second screw 50 is screwed into the threaded hole in the side wall of the second installation groove 12, at the moment, the tool bit 20 and the stop block 30 are installed completely, the drill bit body 10 is installed on a drilling machine, and the operation is started.

As shown in fig. 2-4, the stopper 30 is assembled in the second mounting groove 12, a threaded through hole is formed in the stopper 30, a second screw 50 is connected to the threaded through hole in a threaded manner, and a threaded portion of the second screw 50 extends into the threaded hole in the side wall of the second mounting groove 12; when the tool bit 20 and the stop block 30 are installed, the tool bit 20 is firstly placed into the first installation groove 11, then the stop block 30 is placed into the second installation groove 12, the stop block 30 is tightly attached to the side wall of the tool bit 20, the first screw 40 is screwed into the threaded through hole in the tool bit 20, the first screw 40 is continuously rotated until the first screw 40 is screwed into the threaded hole in the side wall of the first installation groove 11, the second screw 50 is screwed into the threaded through hole in the stop block 30, the second screw 50 is continuously rotated until the second screw 50 is screwed into the threaded hole in the side wall of the second installation groove 12, at the moment, the tool bit 20 and the stop block 30 are installed completely, the drill bit body 10 is installed on a drilling machine, and the operation is started.

As shown in fig. 2, the cutting head 20 is made of cemented carbide, the stopper 30 is made of 45 steel, the drill body 10 is made of common carbon structural steel, the cutting head 20, the stopper 30 and the drill body 10 are made of different materials, and the hardness of the used materials is gradually reduced, which is beneficial to saving cost.

The working principle is as follows: when the tool bit 20 and the stop block 30 are installed, the tool bit 20 is firstly placed in the first installation groove 11, then the stop block 30 is placed in the second installation groove 12, the stop block 30 is tightly attached to the side wall of the tool bit 20, the first screw 40 is screwed into the threaded through hole in the tool bit 20, the first screw 40 is continuously rotated until the first screw 40 is screwed into the threaded hole in the side wall of the first installation groove 11, the second screw 50 is screwed into the threaded through hole in the stop block 30, the second screw 50 is continuously rotated until the second screw 50 is screwed into the threaded hole in the side wall of the second installation groove 12, at the moment, the tool bit 20 and the stop block 30 are installed completely, the drill bit body 10 is installed on a drilling machine, and the operation is started; if one of the bit 20 on the bit body 10 is broken during operation, the bit body 10 is detached from the drilling machine at the moment, the broken bit 20 is found, the first screw 40 on the bit 20 and the second screw 50 on the corresponding stopper 30 are rotated, the bit 20 and the stopper 30 are detached from the bit body 10, a new bit 20 and a new stopper 30 are mounted on the bit body 10, the bit body 10 is mounted back to the drilling machine, and the drilling operation is continued.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The geological drilling bit is characterized by comprising a bit body (10), a cutter head (20) and a stop block (30), wherein the stop block (30) abuts against the side surface of the cutter head (20) so as to be tenon-fixed in a mounting groove formed in the bit body (10).

2. The geological drilling bit according to claim 1, characterized in that the top of the bit body (10) is respectively provided with a first mounting groove (11) and a second mounting groove (12) which are distributed in a circumferential array, and the first mounting groove (11) is communicated with the second mounting groove (12).

3. The earth boring bit according to claim 2, characterized in that the side walls of the first mounting groove (11) and the second mounting groove (12) are provided with threaded holes.

4. The earth boring bit according to claim 1, characterized in that the cutting head (20) is fitted in the first mounting groove (11), the cutting head (20) is provided with a threaded through hole, a first screw (40) is screwed into the threaded through hole, and the threaded portion of the first screw (40) extends into the threaded hole in the side wall of the first mounting groove (11).

5. The earth boring bit according to claim 1, characterized in that the stop block (30) is fitted in the second mounting groove (12), a second screw (50) is screwed into the second screw through hole (30), and the second screw (50) has a threaded portion extending into the threaded hole in the side wall of the second mounting groove (12).

6. A geological drilling bit according to claim 1, characterized in that said cutter head (20) is made of cemented carbide.

7. Geological drilling bit according to claim 1, characterized in that the stop (30) is made of 45 steel.

8. A geological drilling bit according to claim 1, characterized in that said bit body (10) is made of ordinary carbon structural steel.