CN212296262U

CN212296262U - Three-edge righting drill collar for well drilling

Info

Publication number: CN212296262U
Application number: CN202021111673.1U
Authority: CN
Inventors: 富强; 李国伦; 朱威; 刘先锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-05
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a triangular centralizing drill collar for well drilling, which comprises a triangular shell, wherein a second fixed plate is welded on one side inside the triangular shell, two clamping blocks are welded on one side inside the triangular shell, which is close to the second fixed plate, a balancing weight is arranged between the two clamping blocks, a second sliding rail is arranged on one side of the clamping block, which is close to the balancing weight, the inner part of the second sliding rail is connected with a second sliding block in a sliding manner, and one side of the second sliding block, which is close to the balancing weight, is welded with the balancing weight; this device is when using, is fixed in the balancing weight between two fixture blocks through setting up first screw hole of bolt cooperation and second screw hole, and the staff of being convenient for dismantles the adjustment to the balancing weight as required, sets up second stopper cooperation rubber block and carries on spacingly to it, prevents that the vibrations that the drill bit produced when drilling from being too big, leads to the balancing weight skew to influence the normal of balancing weight to exert pressure, sets up this device of third fixed block reinforcing when drilling, and the effect of three-edged shell scraping mud cake.

Description

Three-edge righting drill collar for well drilling

Technical Field

The utility model relates to a drilling equipment technical field specifically is a three-edged centering drill collar that well drilling was used.

Background

The drilling engineering is an engineering for drilling a stratum into a cylindrical hole with a certain depth by using mechanical equipment, and can be divided into a pause drilling and a rotary drilling according to a rock crushing mode and a tool type, in geological work, a drilling equipment is used for drilling a cylindrical round hole with a smaller diameter and a larger depth into the underground, also called a drilling hole, the diameter and the depth of the drilling hole are larger depending on the drilling application, mineral deposit depth and the like, the drilling diameter of drilling oil, natural gas and underground water is larger, a drill collar is positioned at the lowest part of a drill string and is a main component of a lower drilling tool assembly, the drill collar is mainly characterized in that the wall thickness is large, generally 38-53mm, is equivalent to 4-6 times of the wall thickness of the drill rod, has larger gravity and rigidity, and can be used for tripping and machining a hanging slot and a slip groove on the outer surface of an internal thread of the drill collar.

When the drill collar for drilling is used, in order to enhance the bit pressure applied to a drill bit, a heavy object is usually filled in the drill collar for pressurization, but the existing drill collar is inconvenient to change the force applied to the drill bit according to different conditions when in use, and therefore, the three-edge centering drill collar for drilling is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-edged righting drill collar that well drilling was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a three-edged centering drill collar for well drilling comprises a three-edged shell, wherein a second fixing plate is welded on one side inside the three-edged shell, two clamping blocks are welded on one side, close to the second fixing plate, inside the three-edged shell, a balancing weight is arranged between the two clamping blocks, a second sliding rail is mounted on one side, close to the balancing weight, of the clamping blocks, a second sliding block is connected inside the second sliding rail in a sliding manner, one side, close to the balancing weight, of the second sliding block is welded with the balancing weight, a third connecting rod is welded on the top of the second sliding block, a first fixing plate is welded on one end, far away from the second sliding block, of the third connecting rod, a first threaded hole is formed in one side, inside the first fixing plate, a bolt is connected with the first threaded hole through threads, a second threaded hole is formed in one side, close to the bolt, of the, a second connecting rod is welded on one side of the top of the first fixing plate, and one end, far away from the first fixing plate, of the second connecting rod is welded with the first connecting rod.

As further preferable in the present technical solution: and the edges of the triangular shell are uniformly welded with third fixed blocks.

As further preferable in the present technical solution: the triangular shell is characterized in that a first fixing block is arranged above the triangular shell, second thread grooves are uniformly formed in one side, close to the triangular shell, of the first fixing block, the first fixing block is in threaded connection with the triangular shell through the second thread grooves, and first thread grooves are uniformly formed in one side, located outside the triangular shell, of the first fixing block.

As further preferable in the present technical solution: the three-edged shell is characterized in that two first slide rails are installed below the second fixing plate inside the three-edged shell, a first slide block is connected to the inside of the first slide rail in a sliding mode, a third fixing plate is arranged inside the three-edged shell, one side, close to the first slide block, of the third fixing plate is welded with the first slide block, a second fixing block is welded at the bottom of the third fixing plate, the three-edged shell is penetrated through one side of the second fixing block, a third thread groove is uniformly formed in one side, close to the second fixing plate, of the second fixing block, a second spring is welded at one side, close to the second fixing plate, of the third fixing plate, and a first spring is welded at the top of.

As further preferable in the present technical solution: the welding of the inside both sides of first slide rail has two first stoppers, the welding of the top of second fixed plate has the second stopper, the top of second stopper bonds and has the block rubber.

As further preferable in the present technical solution: and an annular shell is welded at the bottom of the triangular shell.

Compared with the prior art, the beneficial effects of the utility model are that: this device is when using, is fixed in the balancing weight between two fixture blocks through setting up first screw hole of bolt cooperation and second screw hole, and the staff of being convenient for dismantles the adjustment to the balancing weight as required, sets up second stopper cooperation rubber block and carries on spacingly to it, prevents that the vibrations that the drill bit produced when drilling from being too big, leads to the balancing weight skew to influence the normal of balancing weight to exert pressure, sets up this device of third fixed block reinforcing when drilling, and the effect of three-edged shell scraping mud cake.

Drawings

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

FIG. 2 is a schematic structural view of a middle clip block of the present invention;

fig. 3 is a schematic structural diagram of the middle triangular shell of the present invention.

In the figure: 1. a first thread groove; 2. a first fixed block; 3. a second thread groove; 4. a first link; 5. a first fixing plate; 6. a balancing weight; 7. a rubber block; 8. a second fixing plate; 9. a first spring; 10. a first slider; 11. a second fixed block; 12. an annular shell; 13. a third thread groove; 14. a first slide rail; 15. a third fixing plate; 16. a second spring; 17. a first stopper; 18. a second limiting block; 19. a clamping block; 20. a second link; 21. a bolt; 22. a triangular shell; 23. a first threaded hole; 24. a second threaded hole; 25. a second slide rail; 26. a third link; 27. a second slider; 28. and a third fixed block.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a three-edged centralizing drill collar for drilling comprises a three-edged shell 22, wherein a second fixing plate 8 is welded on one side inside the three-edged shell 22, two clamping blocks 19 are welded on one side, close to the second fixing plate 8, inside the three-edged shell 22, a balancing weight 6 is arranged between the two clamping blocks 19, a second sliding rail 25 is installed on one side, close to the balancing weight 6, of the clamping block 19, a second sliding block 27 is connected inside the second sliding rail 25 in a sliding manner, one side, close to the balancing weight 6, of the second sliding block 27 is welded with the balancing weight 6, a third connecting rod 26 is welded on the top of the second sliding block 27, a first fixing plate 5 is welded on one end, far away from the second sliding block 27, of the third connecting rod 26, a first fixing plate 5 is welded on one side inside the first fixing plate 5, a first threaded hole 23 is formed in a threaded manner, a bolt 21 is connected on the first fixing plate 5 through the first threaded hole, a second connecting rod 20 is welded on one side of the top of the first fixing plate 5, and one end, far away from the first fixing plate 5, of the second connecting rod 20 is welded with the first connecting rod 4.

In this embodiment, specifically: the third fixed block 28 is evenly welded at the edge of the triangular shell 22, and the third fixed block 28 is arranged to enhance the mud cake scraping effect of the triangular shell 22 during drilling.

In this embodiment, specifically: the top of triangular shell 22 is equipped with first fixed block 2, and second thread groove 3 has evenly been seted up to one side that first fixed block 2 is close to triangular shell 22, and first fixed block 2 is located the outside one side of triangular shell 22 and has evenly seted up first thread groove 1 through second thread groove 3 and triangular shell 22 threaded connection, sets up second thread groove 3 and first thread groove 1 and is convenient for be connected this device with other parts.

In this embodiment, specifically: two first slide rails 14 are installed to the inside below that is located second fixed plate 8 of triangular shell 22, the inside sliding connection of first slide rail 14 has first slider 10, triangular shell 22 is inside to be equipped with third fixed plate 15, one side that third fixed plate 15 is close to first slider 10 is welded with first slider 10, the welding of the bottom of third fixed plate 15 has second fixed block 11, triangular shell 22 is run through to one side of second fixed block 11, third thread groove 13 has evenly been seted up to one side that second fixed block 11 is located triangular shell 22 outside, the welding of one side that third fixed plate 15 is close to second fixed plate 8 has second spring 16, first spring 9 is welded at the top of first slider 10, it is convenient for being connected this device and drill bit to set up third thread groove 13 and second fixed block 11, and set up the influence of vibrations that first spring 9 and second spring 16 produced when reducing the drilling of drill bit to this device.

In this embodiment, specifically: two first stoppers 17 are welded to the inside both sides of first slide rail 14, and second stopper 18 is welded to the top of second fixed plate 8, and the top of second stopper 18 bonds has block rubber 7, sets up first stopper 17 and prevents that first slider 10 from sliding excessively to deviate from first slide rail 14, sets up second stopper 18 and cooperates block rubber 7 to carry on spacingly to balancing weight 6.

In this embodiment, specifically: the bottom of the triangular shell 22 is welded with the annular shell 12, and the annular shell 12 is arranged to protect the joint of the drill bit and the device.

Working principle or structural principle, when in use, the device is arranged at the bottom of a drill string through a first thread groove 1 and a first fixed block 2, a drilling bit is arranged at the bottom of the device through a third thread groove 13, when drilling, vibration generated by the drilling bit is transmitted to a third fixed plate 15 through a second fixed block 11, the third fixed plate 15 extrudes a second spring 16, and simultaneously drives a first slider 10 to slide in a first slide rail 14, the first slider 10 extrudes a first spring 9, the first spring 9 and the second spring 16 rebound under stress to buffer vibration generated by drilling of the drilling bit, an annular shell 12 can protect the joint of the drilling bit and the device, so that the drilling bit is prevented from being stuck when sundries enter the joint and are detached, when drilling, the third fixed block 28 arranged on the outer surface of a triangular shell 22 can enhance the effect of scraping mud cakes by the triangular shell 22, and when the counterweight block 6 needs to be adjusted, the first fixing block 2 is detached, the bolt 21 is rotated to be separated from the second threaded hole 24, the first connecting rod 4 is pulled, the second sliding block 27 is driven to slide in the second sliding rail 25 through the third connecting rod 26, the balancing weight 6 is driven to be separated from the triangular shell 22, and then the balancing weight 6 can be taken out to be adjusted.

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. The utility model provides a three-edged righting drill collar that well drilling was used, includes three-edged shell (22), its characterized in that: a second fixing plate (8) is welded on one side inside the triangular shell (22), two clamping blocks (19) are welded on one side, close to the second fixing plate (8), inside the triangular shell (22), a balancing weight (6) is arranged between the two clamping blocks (19), a second sliding rail (25) is installed on one side, close to the balancing weight (6), of the clamping blocks (19), a second sliding block (27) is connected inside the second sliding rail (25) in a sliding mode, one side, close to the balancing weight (6), of the second sliding block (27) is welded with the balancing weight (6), a third connecting rod (26) is welded on the top of the second sliding block (27), a first fixing plate (5) is welded on one end, far away from the second sliding block (27), of the third connecting rod (26), a first threaded hole (23) is formed in one side inside the first fixing plate (5), and the first fixing plate (5) is in threaded connection with a bolt (21) through the first threaded hole (23), one side, close to the bolt (21), of the fixture block (19) is provided with a second threaded hole (24), the fixture block (19) is in threaded connection with the bolt (21) through the second threaded hole (24), a second connecting rod (20) is welded to one side of the top of the first fixing plate (5), and one end, far away from the first fixing plate (5), of the second connecting rod (20) is welded to the first connecting rod (4).

2. The three-edged centralizing drill collar for well drilling as claimed in claim 1, wherein: and third fixing blocks (28) are uniformly welded on the edges of the triangular shell (22).

3. The three-edged centralizing drill collar for well drilling as claimed in claim 1, wherein: the top of triangular shell (22) is equipped with first fixed block (2), second thread groove (3) have evenly been seted up to one side that first fixed block (2) are close to triangular shell (22), first fixed block (2) pass through second thread groove (3) and triangular shell (22) threaded connection, first thread groove (1) have evenly been seted up to one side that first fixed block (2) are located triangular shell (22) outside.

4. The three-edged centralizing drill collar for well drilling as claimed in claim 1, wherein: two first slide rails (14) are arranged in the triangular shell (22) and below the second fixing plate (8), a first sliding block (10) is connected inside the first sliding rail (14) in a sliding manner, a third fixing plate (15) is arranged inside the triangular shell (22), one side of the third fixing plate (15) close to the first sliding block (10) is welded with the first sliding block (10), a second fixed block (11) is welded at the bottom of the third fixed plate (15), one side of the second fixing block (11) penetrates through the triangular shell (22), third thread grooves (13) are uniformly formed in one side, located outside the triangular shell (22), of the second fixing block (11), and a second spring (16) is welded on one side, close to the second fixing plate (8), of the third fixing plate (15), and a first spring (9) is welded on the top of the first sliding block (10).

5. The three-edged centralizing drill collar for well drilling as claimed in claim 4, wherein: two first limiting blocks (17) are welded on two sides of the interior of the first sliding rail (14), a second limiting block (18) is welded on the top of the second fixing plate (8), and a rubber block (7) is bonded on the top of the second limiting block (18).

6. The three-edged centralizing drill collar for well drilling as claimed in claim 1, wherein: the bottom of the triangular shell (22) is welded with an annular shell (12).