CN211524730U

CN211524730U - Drill bit fixing device for petroleum drilling

Info

Publication number: CN211524730U
Application number: CN201822055585.3U
Authority: CN
Inventors: 任韦明; 徐超; 雷磊; 张培良
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-08
Filing date: 2018-12-08
Publication date: 2020-09-18
Anticipated expiration: 2028-12-08

Abstract

The utility model discloses a drill bit fixing device for oil drilling, including the body, the bottom swing joint of body has the commentaries on classics piece, and the bottom swing joint of commentaries on classics piece has the drill bit, and the top of drill bit runs through to the inner chamber of commentaries on classics piece, and the spacing groove has been seted up on the surface of drill bit, the surface of commentaries on classics piece runs through and is provided with the set casing, one side swing joint that the set casing is close to the drill bit has the stopper that uses with the spacing groove cooperation, one side that the drill bit was kept away from to the stopper runs through to the inner chamber and the fixedly connected with fly leaf of set casing, one side that. The utility model discloses a set up body, commentaries on classics piece, drill bit, handle, stopper, spacing groove, set casing, fly leaf, second spring, fixed block, movable rod, fixed plate, first spring, spout, limiting plate and slider's cooperation and use, solved current drill bit fixing device for oil drilling and to the poor problem of drill bit fixed effect.

Description

Drill bit fixing device for petroleum drilling

Technical Field

The utility model relates to a technical field is fixed to the drill bit, specifically is a drill bit fixing device for oil drilling.

Background

The work of drilling a stratum into a hole from the ground by using mechanical equipment or manpower is called well drilling, generally refers to the engineering of drilling a borehole and a large-diameter water supply well by exploring or developing liquid and gaseous minerals such as petroleum, natural gas and the like, the well drilling has wide application in national economic construction, at present, rotary disc drilling is widely used in oil and gas fields in China for well drilling, and main equipment comprises a derrick, an operation platform, a diesel engine, a drilling machine, a drilling tool, a slurry pump, a generator, test equipment, a fuel oil tank, a boiler and the like.

In the process of drilling, a drill bit is a main tool for breaking rock, a borehole is formed by the drill bit breaking rock, the quality of a borehole is good, the used time is long, the time is related to the characteristics of the rock of the drilled stratum and the performance of the drill bit, and is further related to the matching degree between the drill bit and the stratum, the reasonable type selection of the drill bit plays an important role in improving the drilling speed and reducing the comprehensive drilling cost, the drill bit is one of important tools for petroleum drilling, whether the drill bit is suitable for the rock and the quality of the rock or not and plays a very important role in selecting the drilling process, the drill bit needs to be fixed by a fixing device before being used and can be operated after being fixed, but the existing drill bit fixing device for petroleum drilling has poor fixing effect on the drill bit, so that the drilling quality, the drilling speed and the drilling cost are greatly influenced, is not favorable for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drill bit fixing device for oil drilling possesses the advantage that is fixed effectual to the drill bit, has solved the current drill bit fixing device for oil drilling poor problem of fixed effect to the drill bit.

In order to achieve the above object, the utility model provides a following technical scheme: a drill bit fixing device for petroleum drilling comprises a body, wherein the bottom of the body is movably connected with a rotating block, the bottom of the rotating block is movably connected with a drill bit, the top of the drill bit penetrates through the inner cavity of the rotating block, the surface of the drill bit is provided with a limit groove, the surface of the rotating block is provided with a fixed shell in a penetrating way, one side of the fixed shell, which is close to the drill bit, is movably connected with a limit block which is matched with the limit groove, one side of the limiting block, which is far away from the drill bit, penetrates through the inner cavity of the fixed shell and is fixedly connected with a movable plate, one side of the movable plate, which is far away from the limiting block, penetrates through the outer side of the fixed shell and is fixedly connected with a handle, both sides of the limiting block are fixedly connected with a limiting plate and a fixed plate, one side of the limiting plate close to the fixed plate is fixedly connected with a movable rod, the surface cover of movable rod is equipped with first spring, the fixed plate is run through to one side that the limiting plate was kept away from to the movable rod.

Preferably, the inner chamber fixedly connected with fixed block of set casing, one side that the movable rod is close to the fixed block runs through to the inner chamber and the fixedly connected with second spring of fixed block, one side that the second spring is close to the fixed block inner wall and the inner wall fixed connection of fixed block.

Preferably, one side of the limiting plate close to the inner wall of the fixed shell is fixedly connected with a sliding block, and an inner cavity of the fixed shell close to one side of the sliding block is provided with a sliding groove matched with the sliding block for use.

Preferably, one side of the first spring, which is close to the limiting plate, is fixedly connected with the limiting plate, and one side of the first spring, which is far away from the limiting plate, is fixedly connected with the fixing plate.

Preferably, the number of the fixed shells is three, the fixed shells are arranged on the surface of the rotating block in a triangular shape, anti-skid grains are arranged on the surface of the handle, and a rubber pad is fixedly connected to the surface of the limiting block.

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

1. the utility model discloses a set up body, commentaries on classics piece, drill bit, handle, stopper, spacing groove, set casing, fly leaf, second spring, fixed block, movable rod, fixed plate, first spring, spout, limiting plate and slider's cooperation and use, solved current drill bit fixing device for oil drilling and to the poor problem of drill bit fixed effect.

2. The utility model discloses a cooperation that sets up slider and spout is used, and the effectual resistance that receives when having reduced the limiting plate motion through setting up anti-skidding line, the effectual frictional force that increases the handle through setting up the rubber pad, the effectual frictional force that increases the stopper, the effectual spacing fixed effect that increases the stopper to the spacing groove.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top cross-sectional view of a portion of the structure of the present invention;

fig. 3 is a sectional view of the local structure of the present invention.

In the figure: the drilling tool comprises a body 1, a rotating block 2, a drill bit 3, a handle 4, a limiting block 5, a limiting groove 6, a fixed shell 7, a movable plate 8, a second spring 9, a fixed block 10, a movable rod 11, a fixed plate 12, a first spring 13, a sliding chute 14, a limiting plate 15 and a sliding block 16.

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.

Referring to fig. 1-3, a drill fixing device for oil drilling comprises a body 1, a rotating block 2 movably connected to the bottom of the body 1, a drill 3 movably connected to the bottom of the rotating block 2, a top of the drill 3 penetrating into an inner cavity of the rotating block 2, a limiting groove 6 formed on the surface of the drill 3, a fixing shell 7 penetrating through the surface of the rotating block 2, a fixing block 10 fixedly connected to the inner cavity of the fixing shell 7, a second spring 9 fixedly connected to one side of a movable rod 11 near the fixing block 10 penetrating into the inner cavity of the fixing block 10, a number of the fixing shells 7 being three, the fixing shells 7 being arranged on the surface of the rotating block 2 in a triangular shape, anti-skid threads formed on the surface of a handle 4, a rubber pad fixedly connected to the surface of the limiting block 5, and limiting blocks 5 used in cooperation with the limiting groove 6 and movably connected to one side of the fixing shell 7 near the drill 3, one side of the limiting block 5, which is far away from the drill bit 3, penetrates through an inner cavity of the fixed shell 7 and is fixedly connected with a movable plate 8, one side of the movable plate 8, which is far away from the limiting block 5, penetrates through the outer side of the fixed shell 7 and is fixedly connected with a handle 4, both sides of the limiting block 5 are fixedly connected with a limiting plate 15 and a fixed plate 12, one side of the limiting plate 15, which is close to the inner wall of the fixed shell 7, is fixedly connected with a slider 16, an inner cavity of the fixed shell 7, which is close to one side of the slider 16, is provided with a chute 14 which is matched with the slider 16, one side of the limiting plate 15, which is close to the fixed plate 12, is fixedly connected with a movable rod 11, which is close to one side of the movable rod 11, which is close to the limiting plate 15, is fixedly connected with the limiting plate, effectual reduced the resistance that receives when limiting plate 15 moves, through setting up anti-skidding line, the effectual frictional force that has increased handle 4, through setting up the rubber pad, the effectual frictional force that has increased stopper 5, the effectual spacing fixed effect of stopper 5 to spacing groove 6 that has increased, through setting up body 1, the turning block 2, the drill bit 3, handle 4, stopper 5, spacing groove 6, set casing 7, the fly leaf 8, second spring 9, the fixed block 10, the movable rod 11, fixed plate 12, first spring 13, the spout 14, the cooperation of limiting plate 15 and slider 16 is used, the current poor problem of drill bit fixing device to the drill bit fixed effect for the oil drilling has been solved.

During the use, through the effect of doing all can to handle 4, handle 4 drives fly leaf 8 and removes, fly leaf 8 drives stopper 5 and removes, stopper 5 drives limiting plate 15 and removes, limiting plate 15 drives movable rod 11 and removes and extrudees first spring 13, movable rod 11 removes and extrudees second spring 9 at the inner chamber of fixed block 10, make the top of drill bit 3 place in the inner chamber of commentaries on classics piece 2, loosen the power to handle 4, the inner chamber that contracts of first spring 13 and second spring 9 and drives stopper 5 motion entering spacing groove 6 presss from both sides tightly fixedly to drill bit 3, body 1 drives commentaries on classics piece 2 and rotates, commentaries on classics piece 2 drives 3 rotary work of drill bit.

In summary, the following steps: this drill bit fixing device for oil drilling, through the cooperation that sets up body 1, commentaries on classics piece 2, drill bit 3, handle 4, stopper 5, spacing groove 6, set casing 7, fly leaf 8, second spring 9, fixed block 10, movable rod 11, fixed plate 12, first spring 13, spout 14, limiting plate 15 and slider 16 and use, solved current drill bit fixing device for oil drilling poor problem to the drill bit fixed effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drill bit fixing device for oil drilling, includes body (1), its characterized in that: the drill bit is characterized in that a rotating block (2) is movably connected to the bottom of the body (1), a drill bit (3) is movably connected to the bottom of the rotating block (2), the top of the drill bit (3) penetrates through the inner cavity of the rotating block (2), a limiting groove (6) is formed in the surface of the drill bit (3), a fixed shell (7) penetrates through the surface of the rotating block (2), a limiting block (5) matched with the limiting groove (6) is movably connected to one side, close to the drill bit (3), of the fixed shell (7), a movable plate (8) is fixedly connected to one side, far away from the drill bit (3), of the limiting block (5) of the movable plate (5), of the movable plate (8), of the outer side of the fixed shell (7), of a handle (4) is fixedly connected to one side, far away from the limiting block (5), of the limiting plate (15) and a fixed plate (12) are, limiting plate (15) are close to one side fixedly connected with movable rod (11) of fixed plate (12), the surface cover of movable rod (11) is equipped with first spring (13), fixed plate (12) is run through to one side that limiting plate (15) were kept away from in movable rod (11).

2. The drill bit holding device for oil drilling according to claim 1, wherein: the inner chamber fixedly connected with fixed block (10) of set casing (7), one side that movable rod (11) are close to fixed block (10) runs through to the inner chamber and the fixedly connected with second spring (9) of fixed block (10), one side that second spring (9) are close to fixed block (10) inner wall and the inner wall fixed connection of fixed block (10).

3. The drill bit holding device for oil drilling according to claim 1, wherein: one side of the limiting plate (15) close to the inner wall of the fixed shell (7) is fixedly connected with a sliding block (16), and an inner cavity of the fixed shell (7) close to one side of the sliding block (16) is provided with a sliding groove (14) matched with the sliding block (16).

4. The drill bit holding device for oil drilling according to claim 1, wherein: one side of the first spring (13) close to the limiting plate (15) is fixedly connected with the limiting plate (15), and one side of the first spring (13) far away from the limiting plate (15) is fixedly connected with the fixing plate (12).

5. The drill bit holding device for oil drilling according to claim 1, wherein: the number of the fixed shells (7) is three, the fixed shells (7) are arranged on the surface of the rotating block (2) in a triangular mode, anti-skid grains are arranged on the surface of the handle (4), and a rubber pad is fixedly connected to the surface of the limiting block (5).