CN220469796U

CN220469796U - Petroleum drilling bit

Info

Publication number: CN220469796U
Application number: CN202321437660.7U
Authority: CN
Inventors: 孙阳鑫; 杨志
Original assignee: Sichuan Bao Wright Drill Co ltd
Current assignee: Sichuan Bao Wright Drill Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2024-02-09
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to the technical field of petroleum and discloses a petroleum drilling bit which comprises a bit body, wherein the top of the bit body is movably connected with a roller through a bit leg at equal intervals, liquid outlet holes are formed in the bit body at equal intervals, small spiral blades are rotatably connected to the inner sides of the liquid outlet holes, bevel gears A are sleeved on the outer sides of the small spiral blades, a limiting rod is rotatably connected to the inner sides of mounting grooves, one end of the limiting rod is fixedly connected with a baffle disc, the middle of the bevel gears C is fixedly connected with a conducting shaft, and one end of the conducting shaft is fixedly connected with a bevel gear D meshed with the bevel gears A. According to the utility model, the bevel gear D can drive the small spiral blade to rotate through the rotation of the bevel gear C, so that chips generated during the operation of the drill bit can be discharged from the liquid outlet, the situation that the chips can cause the liquid outlet to be blocked is prevented, and the cooling operation of the drill bit during the liquid outlet is ensured.

Description

Petroleum drilling bit

Technical Field

The utility model relates to the technical field of petroleum, in particular to a petroleum drilling bit.

Background

Oil exploration refers to the fact that in order to find and find out oil and gas resources, various exploration means are utilized to know underground geological conditions, drilling is often needed in exploration, a drill bit is an indispensable tool in the drilling process, at present, although the drill bit has a rock breaking function in the using process, high temperature can be generated on the surface of the drill bit due to the fact that the drill bit rotates at a high speed, if the temperature is not lowered in time, the situation that the drill bit at the high temperature is worn down can be serious, the existing drill bit can be cooled through cooling water input through a through hole of the drill bit when the drill bit works, but some fragments easily enter a hole of the drill bit for water transmission along with the work of the drill bit, and therefore the cooling effect of the drill bit can be affected.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides an oil drilling bit.

The utility model is realized by adopting the following technical scheme: the utility model provides an oil drilling drill bit, includes the drill bit body, there is the cone at the equidistant leg swing joint in the top of drill bit body, the bottom fixedly connected with installation joint of drill bit body, the inside equidistant liquid outlet hole that is equipped with of drill bit body, the inboard rotation in liquid outlet hole is connected with little helical blade, bevel gear A has been cup jointed in the outside of little helical blade, the mounting groove has been seted up at the middle part of drill bit body, the inboard rotation of mounting groove is connected with the gag lever post, the one end fixedly connected with fender dish of gag lever post, bevel gear B has been cup jointed in the outside of gag lever post, bevel gear C has been meshed in the equidistant outside of bevel gear B, bevel gear C's middle part fixedly connected with conduction axle, the one end fixedly connected with of conduction axle and bevel gear D that bevel gear A meshed.

As a further improvement of the scheme, through grooves are formed in the inner side of the drill bit body at equal intervals, two sides of each through groove are respectively communicated with the mounting groove and the liquid outlet hole, and the outer side of the conducting shaft is mounted on the inner side of each through groove through a bearing A.

As a further improvement of the scheme, one end of the small spiral blade is connected with a bearing B, and the outer side of the bearing B is fixedly connected with the inner side of the liquid outlet hole through a small rod.

As a further improvement of the above, one end of the conductive shaft is connected to the bottom inside the installation groove through a bearing C.

As a further improvement of the scheme, the diameter of the baffle disc is larger than the inner diameter of the mounting groove, and the outer side of the baffle disc is connected with stop rods at equal intervals.

As a further improvement of the above, the outer surface of the mounting joint is provided with threads.

Compared with the prior art, the utility model has the beneficial effects that:

when the drill bit works, along with the limit of the limit rod, the rotation of the drill bit body can drive the small spiral blade to rotate through the rotation of the bevel gear C, so that chips generated during the work of the drill bit can be discharged from the liquid outlet hole, the situation that the chips can block the liquid outlet hole is prevented, and the cooling work of the drill bit during the liquid outlet of the liquid outlet hole is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a bit body of the present utility model;

fig. 3 is an enlarged view of fig. 2 a in accordance with the present utility model.

Main symbol description:

1 bit body, 2 bit leg, 3 cone, 4 installation joint, 5 liquid outlet hole, 6 little helical blade, 7 bevel gear A, 8 mounting groove, 9 gag lever post, 10 fender dish, 11 bevel gear B, 12 bevel gear C, 13 conductive shaft, 14 bevel gear D.

Description of the embodiments

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Examples

Referring to fig. 1-3, an oil drilling bit of the present embodiment includes a bit body 1, wherein a cone 3 is movably connected to the top of the bit body 1 at equal intervals through a bit leg 2, a mounting joint 4 is fixedly connected to the bottom of the bit body 1, threads are provided on the outer surface of the mounting joint 4, and the bit body 1 is connected to a drill rod through the mounting joint 4.

The inside of drill bit body 1 is equidistant to be equipped with out liquid hole 5, and the inboard rotation of going out liquid hole 5 is connected with little helical blade 6, and bevel gear A7 has been cup jointed in the outside of little helical blade 6, and the one end of little helical blade 6 is connected with bearing B, and bearing B's outside passes through little pole fixed connection in the inboard of going out liquid hole 5.

The middle part of drill bit body 1 has been seted up mounting groove 8, and the inboard rotation of mounting groove 8 is connected with gag lever post 9, and the one end fixedly connected with fender dish 10 of gag lever post 9, the diameter of fender dish 10 are greater than the internal diameter of mounting groove 8, and the outside equidistant pin that is connected with of fender dish 10.

The outside of gag lever post 9 has cup jointed bevel gear B11, the outside equidistant meshing of bevel gear B11 has bevel gear C12, the middle part fixedly connected with conduction axle 13 of bevel gear C12, the inboard equidistant logical groove that is equipped with of drill bit body 1, the both sides in logical groove communicate with each other with mounting groove 8 and play liquid hole 5 respectively, the outside of conduction axle 13 passes through bearing A and installs the inboard in logical groove, the one end fixedly connected with of conduction axle 13 and bevel gear A7 engaged with bevel gear D14, the one end of conduction axle 13 passes through bearing C and connects the bottom at the mounting groove 8 inboard.

The implementation principle of the petroleum drilling bit in the embodiment of the application is as follows: the drill bit body 1 is hollow after being connected on the drilling rod through the installation joint 4, conveniently let in the liquid outlet hole 5 of drill bit body 1 with the coolant liquid and cool off the work to the cone 3, when the drill bit body 1 rotates, the bit leg 2 on the drill bit body 1 carries out the drilling work through the cone 3, after the rubble that produces in the drilling process is piled up between a plurality of cones 3, the rotation rubble of drill bit body 1 can restrict the rotation of gag lever post 9, thereby let bevel gear B11 drive bevel gear C12 and spin, let little helical blade 6 rotate along with the in-process that drill bit body 1 rotates, let the piece in the time of drilling discharge in the liquid outlet hole 5, the efficiency when guaranteeing liquid outlet hole 5 to go out the coolant liquid.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The petroleum drilling bit is characterized by comprising a bit body (1), wherein the top of the bit body (1) is movably connected with a roller cone (3) at equal intervals through a bit leg (2), and the bottom of the bit body (1) is fixedly connected with a mounting joint (4);

the inside of the drill bit body (1) is provided with liquid outlet holes (5) at equal intervals, the inner sides of the liquid outlet holes (5) are rotationally connected with small spiral blades (6), and the outer sides of the small spiral blades (6) are sleeved with bevel gears A (7);

the drill bit comprises a drill bit body (1), wherein an installation groove (8) is formed in the middle of the drill bit body (1), a limiting rod (9) is connected to the inner side of the installation groove (8) in a rotating mode, a baffle disc (10) is fixedly connected to one end of the limiting rod (9), a bevel gear B (11) is sleeved on the outer side of the limiting rod (9), bevel gears C (12) are meshed with the outer side of the bevel gear B (11) at equal intervals, a conducting shaft (13) is fixedly connected to the middle of the bevel gear C (12), and a bevel gear D (14) meshed with a bevel gear A (7) is fixedly connected to one end of the conducting shaft (13).

2. An oil drilling bit as claimed in claim 1, wherein the inner side of the bit body (1) is provided with through grooves at equal intervals, two sides of the through grooves are respectively communicated with the mounting groove (8) and the liquid outlet hole (5), and the outer side of the conducting shaft (13) is mounted on the inner side of the through grooves through a bearing A.

3. A drill bit for petroleum drilling according to claim 1, characterized in that one end of the small spiral blade (6) is connected with a bearing B, and the outer side of the bearing B is fixedly connected with the inner side of the liquid outlet hole (5) through a small rod.

4. An oil drilling bit according to claim 1, characterized in that one end of the conductive shaft (13) is connected to the bottom inside the mounting groove (8) by means of a bearing C.

5. An oil drilling bit as claimed in claim 1, characterized in that the diameter of the baffle disc (10) is larger than the inner diameter of the mounting groove (8), and that the outer side of the baffle disc (10) is connected with baffle rods at equal intervals.

6. An oil drilling bit as claimed in claim 1, characterized in that the outer surface of the mounting nipple (4) is provided with threads.