CN210264525U

CN210264525U - Shock attenuation drill bit for oil drilling

Info

Publication number: CN210264525U
Application number: CN201920476058.1U
Authority: CN
Inventors: 邹杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-04-07
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a shock attenuation drill bit for oil drilling, which comprises an outer shell, the inside bottom fixed mounting of shell has the main part, the spout has been seted up to the upper end of main part is inside, and the shape of spout is the rectangle, the inside fixed mounting in bottom of spout has the spring, the upper end fixed mounting of spring has the buffer beam. A shock attenuation drill bit for oil drilling, can play the absorbing effect of buffering to brill sword and drill plate, the buffer bar drives the drilling rod relative spring motion of installation axle and upper end, realize the shock attenuation under the buffering of elasticity, the slide bar slides in the recess simultaneously, effectively improve the shock attenuation effect, can increase the intensity of drill bit drilling, be convenient for realize the drilling of multiple complicated geology hardness, the brill sword can improve drilling efficiency, can realize the discharge of drilling in-process earth, can clean inside when drilling finishes simultaneously, avoid influencing next use, certain practicality has, bring better use prospect.

Description

Shock attenuation drill bit for oil drilling

Technical Field

The utility model relates to a drill bit field, in particular to shock attenuation drill bit for oil drilling.

Background

The existing drilling bit needs to be replaced according to the soft, medium and hard degrees of field geology when in use, so that the drilling efficiency is influenced, the buffering effect is poor, and the use of drilling is influenced;

the existing damping drill bit for oil drilling has certain defects when in use, firstly, the damping effect of the drill bit and a drill bit cannot be buffered, when the drill bit meets the geology with larger hardness, the damping cannot be well realized, the drill bit is easy to damage to influence the drilling effect, secondly, the strength of the drill bit is not large, the drilling with various complex geological hardness is not convenient to realize, finally, the discharge of soil in the drilling process cannot be realized, the inside of the drill bit cannot be cleaned when the drilling is finished, the next use is influenced, and certain influence is brought to the use process of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping drill bit for oil drilling can effectively solve the problem in the background art.

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

the damping drill bit for petroleum drilling comprises a shell, wherein a main body is fixedly mounted at the bottom end inside the shell, a sliding groove is formed in the upper end of the main body, the sliding groove is rectangular in shape, a spring is fixedly mounted at the bottom end inside the sliding groove, a buffer rod is fixedly mounted at the upper end of the spring, the buffer rod is cuboid in shape, and the sliding groove is movably connected with the buffer rod.

Preferably, the shape of shell is the cylinder, three groups of bin outlets have evenly been seted up to the surface of shell, the shape of main part is the centrum, and three groups of bin outlets are located the bottom of centrum main part respectively, the bottom surface fixed mounting of shell has the installation rowland.

Preferably, the upper end fixed mounting of buffer beam has the installation axle, the upper end fixed mounting of installation axle has the drilling rod, the circumference surface of drilling rod encircles and installs three group's drill bits, and the top fixed mounting of drilling rod has a drill point, three groups the equal fixed mounting in top of drill bit has the brill sword, and three group's drill knives are central symmetry distribution about the drill point.

Preferably, three groups of sliding rods are fixedly mounted on the outer surface of the circumference of the mounting shaft, three groups of grooves are formed in the inner wall of the shell corresponding to the three groups of sliding rods respectively, and the sliding rods are movably connected with the grooves.

Preferably, the upper end fixed mounting of main part has the stopper, the upper end fixed mounting of stopper has the sleeve, and the spout runs through in main part, stopper and telescopic inside, buffer lever and sleeve swing joint.

Preferably, the limiting block is in a cone shape, and three groups of fixing blocks are fixedly mounted on the outer circumferential surface of the limiting block.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the spring and the buffer rod are arranged, so that the effects of buffering and damping can be achieved on the drill cutter and the drill bit, when the drill bit meets the geology with high hardness, the buffer rod drives the mounting shaft and the drill rod at the upper end to move relative to the spring, damping is achieved under the buffering of elasticity, and meanwhile the sliding rod slides in the groove, so that the damping effect is effectively improved;

2. the three groups of drill sheets can increase the drilling strength of the drill bit, facilitate the drilling of various complex geological hardness, improve the drilling efficiency by the drill cutter, spirally surround the surface of the drill rod, and facilitate the passing of soil at the gaps of the drill sheets;

3. through the bin outlet that sets up, can realize the discharge of drilling in-process earth, can clean inside when drilling the end simultaneously, avoid influencing next use.

Drawings

FIG. 1 is a schematic view of the overall structure of a shock-absorbing drill bit for oil drilling according to the present invention;

FIG. 2 is a partial cross-sectional view of a shock-absorbing drill bit for oil drilling according to the present invention;

FIG. 3 is an internal cross-sectional view of the body of a shock absorbing drill bit for oil drilling according to the present invention;

fig. 4 is an enlarged view of a in fig. 2 of a vibration-damping drill bit for oil drilling according to the present invention.

In the figure: 1. a housing; 2. installing a rowland; 3. a discharge outlet; 4. drilling a cutter; 5. drilling a tip; 6. a main body; 7. a limiting block; 8. a fixed block; 9. a sleeve; 10. a buffer rod; 11. installing a shaft; 12. a slide bar; 13. a drill stem; 14. drilling a sheet; 15. a chute; 16. a spring; 17. and (4) a groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1-4, a shock-absorbing drill bit for oil drilling comprises a casing 1, a main body 6 is fixedly mounted at the bottom end inside the casing 1, a sliding groove 15 is formed inside the upper end of the main body 6, the sliding groove 15 is rectangular, a spring 16 is fixedly mounted inside the bottom end of the sliding groove 15, a buffer rod 10 is fixedly mounted at the upper end of the spring 16, the buffer rod 10 is cuboid, and the sliding groove 15 is movably connected with the buffer rod 10.

The upper end of the buffer rod 10 is fixedly provided with a mounting shaft 11, the circumferential outer surface of the mounting shaft 11 is fixedly provided with three groups of sliding rods 12, the inner wall of the shell 1 corresponding to the three groups of sliding rods 12 is respectively provided with three groups of grooves 17, and the sliding rods 12 are movably connected with the grooves 17.

The upper end fixed mounting of main part 6 has stopper 7, and the upper end fixed mounting of stopper 7 has sleeve 9, and spout 15 runs through in main part 6, stopper 7 and sleeve 9's inside, buffer beam 10 and sleeve 9 swing joint.

The shape of stopper 7 is the centrum, and the circumference surface fixed mounting of stopper 7 has three groups of fixed blocks 8.

By adopting the technical scheme: the spring 16 and the buffer rod 10 that set up can play the absorbing effect of buffering to brill sword 4 and drill bit 14, and when the drill bit met the great geology of hardness, buffer rod 10 drove the relative spring 16 motion of drilling rod 13 of installation axle 11 and upper end, realized the shock attenuation under the buffering of elasticity, and slide bar 12 slides in recess 17 simultaneously, effectively improves the shock attenuation effect.

Example 2

The upper end fixed mounting of buffer beam 10 has installation axle 11, and the upper end fixed mounting of installation axle 11 has drilling rod 13, and the circumference surface of drilling rod 13 encircles and installs three sets of drill bits 14, and the top fixed mounting of drilling rod 13 has drill point 5, and the equal fixed mounting in top of three sets of drill bits 14 has drill sword 4, and three sets of drill sword 4 are central symmetry about drill point 5 and distribute.

By adopting the technical scheme: three group's drill bits 14 that set up can increase the intensity of drill bit drilling, are convenient for realize the drilling of multiple complicated geological hardness, and boring cutter 4 can improve drilling efficiency, and 14 spirals of three group's drill bits encircle on 13 surfaces of drilling rod, and the 14 gaps of drill bit department of being convenient for earth passes through.

Example 3

The shape of shell 1 is the cylinder, and three groups of bin outlet 3 have evenly been seted up to the surface of shell 1, and the shape of main part 6 is the centrum, and three groups of bin outlet 3 are located the bottom of centrum main part 6 respectively, and the bottom surface fixed mounting of shell 1 has installation rowland 2.

By adopting the technical scheme: the bin outlet 3 that sets up can realize the discharge of drilling in-process earth, can clean inside when drilling the end simultaneously, avoids influencing next use.

It should be noted that the utility model relates to a shock-absorbing drill bit for oil drilling, when in use, firstly, the drill bit is installed on a drilling machine through the installation flange 2 at the bottom, the drilling operation is realized under the action of the drilling machine, the drill bit 5 is contacted with the ground to be drilled, the drill bit rotates under the drive of the drilling machine, the related parts on the shell 1 and the main body 6 are drilled, the arranged spring 16 and the buffer rod 10 can play the role of buffering and shock-absorbing for the drill cutter 4 and the drill bit 14, when the drill bit encounters the geology with larger hardness, the buffer rod 10 drives the installation shaft 11 and the drill rod 13 at the upper end to move relative to the spring 16, the shock-absorbing is realized under the buffer of elasticity, meanwhile, the slide rod 12 slides in the groove 17, the shock-absorbing effect is effectively improved, the rectangular chute 15 is mutually matched with the cuboid buffer rod 10, the drilling force is increased, the influence of the drilling is avoided slipping, can increase the intensity of drill bit drilling, be convenient for realize the drilling of multiple complicated geology hardness, brill sword 4 can improve drilling efficiency, and 14 spirals of three group's drill pieces encircle on 13 surfaces of drilling rod, and 14 gaps of drill piece department are convenient for earth and are passed through, and the earth that produces among the drilling process passes through bin outlet 3 and discharges, can clean the inside through bin outlet 3 when drilling the end simultaneously, avoids influencing next use, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shock-absorbing drill bit for oil drilling, comprising a casing (1), characterized in that: the inside bottom fixed mounting of shell (1) has main part (6), spout (15) have been seted up to the upper end of main part (6) inside, and the shape of spout (15) is the rectangle, the inside fixed mounting in bottom of spout (15) has spring (16), the upper end fixed mounting of spring (16) has buffer beam (10), and the shape of buffer beam (10) is the cuboid, spout (15) and buffer beam (10) swing joint.

2. The shock absorbing drill bit for oil drilling according to claim 1, wherein: the shape of shell (1) is the cylinder, three groups of bin outlet (3) have evenly been seted up to the surface of shell (1), the shape of main part (6) is the centrum, and three groups of bin outlet (3) are located the bottom of centrum main part (6) respectively, the bottom surface fixed mounting of shell (1) has installation rowland (2).

3. The shock absorbing drill bit for oil drilling according to claim 1, wherein: the utility model discloses a drilling tool, including buffer rod (10), the upper end fixed mounting of buffer rod (10) has installation axle (11), the upper end fixed mounting of installation axle (11) has drilling rod (13), the circumference surface of drilling rod (13) encircles and installs three sets of drill bit (14), and the top fixed mounting of drilling rod (13) has drill point (5), three sets the equal fixed mounting in top of drill bit (14) has drill cutter (4), and three sets of drill cutter (4) are central symmetric distribution about drill point (5).

4. The shock absorbing drill bit for oil drilling according to claim 3, wherein: the circumference surface fixed mounting of installation axle (11) has three groups of slide bars (12), and is located and has seted up three groups of recesses (17) on the inner wall of shell (1) that three groups of slide bars (12) correspond respectively, and slide bar (12) and recess (17) swing joint.

5. The shock absorbing drill bit for oil drilling according to claim 1, wherein: the upper end fixed mounting of main part (6) has stopper (7), the upper end fixed mounting of stopper (7) has sleeve (9), and spout (15) run through in the inside of main part (6), stopper (7) and sleeve (9), buffer lever (10) and sleeve (9) swing joint.

6. The shock absorbing drill bit for oil drilling according to claim 1, wherein: the limiting block (7) is in a cone shape, and three groups of fixing blocks (8) are fixedly mounted on the outer surface of the circumference of the limiting block (7).