CN212249878U

CN212249878U - High-torsion-resistance drill rod with high-torque function

Info

Publication number: CN212249878U
Application number: CN202020711855.6U
Authority: CN
Inventors: 李玉华; 郑卫良
Original assignee: Dp Master Manufacturing Co ltd
Current assignee: Dp Master Manufacturing Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-29
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a high antitorque drilling rod with high moment of torsion function, including drilling rod main part, spacing post and silica gel piece, the left end welding of drilling rod main part has female adapter, and the right-hand member welding of drilling rod main part has male adapter to female adapter's inside has seted up the spacing groove, spout and blind groove have been seted up to male adapter's inside, and the inside of spout is provided with spacing post to be connected with the spring between the inner wall of spacing post and spout, the outside of spacing post is connected with the connecting block, and the upper end of connecting block is connected with the fly leaf, male adapter's the outside bonds there is the silica gel piece. This high antitorque drilling rod with high moment of torsion function can carry out the secondary spacing to the drilling rod main part, has improved the connection stability between the drilling rod main part to improve the antitorque performance of drilling rod, can seal the protection to the junction simultaneously, avoid the helicitic texture of junction to receive the corruption, prolonged the life of drilling rod.

Description

High-torsion-resistance drill rod with high-torque function

Technical Field

The utility model relates to a drilling rod technical field specifically is a high antitorque drilling rod with high moment of torsion function.

Background

Along with the continuous development of economy, the construction of natural gas and petroleum transmission pipelines in China is also rapidly developed, a pipeline crossing technology is needed in the erection process of the transmission pipelines, the pipeline crossing technology refers to drilling and pipe erecting in a soil layer, the soil layer does not need to be excavated, the influence on the environment is small, drilling tools such as a drill rod and the like are needed in the application process of the pipeline crossing technology, but the drill rod in the current market still has some defects, such as:

1. during the crossing construction, the drill rods can bear larger thrust and also can bear certain resistance in the reaming and back dragging processes, so that the drill holes can bear larger rotating torsion, but most of the drill rods in the current market have single structures, and the connection between the drill rods is completed only in a threaded connection mode, so that the torsion resistance between the drill rods is poorer, the thread is easy to wear and loosen after long-time use, and the torsion transmission performance of the drill rods is reduced;

2. because need contact with the soil layer laminating in the drilling rod working process, but drilling rod structure on the existing market is single, and inconvenience is protected its junction, leads to the helicitic texture of connector to receive the corruption easily to reduce the life of drill bit, there is certain service defect.

We have therefore proposed a highly anti-torsion drill rod with a high torque function in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high antitorque drilling rod with high torque function to solve the problem that the antitorque performance of twist drill rod is relatively poor and inconvenient to protect the junction on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high antitorque drilling rod with high moment of torsion function, includes drilling rod main part, spacing post and silica gel piece, the left end welding of drilling rod main part has female adapter, and the right-hand member welding of drilling rod main part has male adapter to female adapter's inside has seted up the spacing groove, spout and camera obscura have been seted up to male adapter's inside, and the inside of spout is provided with spacing post to be connected with the spring between the inner wall of spacing post and spout, the outside of spacing post is connected with the connecting block, and the upper end of connecting block is connected with the fly leaf, male adapter's the outside bonds and has the silica gel piece.

Preferably, the left end surface of the female adapter is provided with a groove, the groove is matched with the silica gel block in a concave-convex mode, the silica gel block is of a circular ring structure, and meanwhile the section of the silica gel block is of a trapezoid structure.

Preferably, the limiting grooves are distributed in the inner part of the internal thread joint at equal angles, and the limiting grooves are in clearance fit with the limiting columns.

Preferably, the limiting column is in clearance fit with the sliding groove, and the limiting column and the external thread joint form an elastic telescopic structure through a spring.

Preferably, the movable plate is of an arc-shaped structure, the movable plate is in clearance fit with the blind groove, and the length of the movable plate is greater than that of the sliding groove.

Preferably, the upper surface of the movable plate is equidistantly provided with anti-skidding blocks, the anti-skidding blocks are of semi-cylindrical structures, and the height of the upper surfaces of the anti-skidding blocks is lower than that of the outer surfaces of the male screw joints.

Compared with the prior art, the beneficial effects of the utility model are that: the high torsion resistant drill rod with the high torque function;

1. the limiting column is arranged, and after the threaded connection of the internal thread joints and the external thread joints of the adjacent 2 drill rod main bodies is completed, the limiting column is controlled to be inserted into the limiting groove, so that the drill rod main bodies can be limited secondarily, the drill rod main bodies are prevented from rotating continuously, the drill rod main bodies can be limited secondarily through the structure, the connection stability between the drill rod main bodies is improved, and the torsion resistance of the drill rods is improved;

2. be provided with the silica gel piece, through swivelling joint internal thread joint and external thread joint, can crowd into the recess with some of silica gel piece to sealed, the protection can be sealed to the junction of drilling rod main part, can seal the protection to the junction when making the drilling rod connect through this structure, avoid the helicitic texture of junction to receive the corruption, prolonged the life of drilling rod.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the male adapter of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the spacing column and the movable plate of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a drill rod body; 2. an internal thread joint; 201. a groove; 3. an externally threaded nipple; 4. a limiting groove; 5. a chute; 6. a hidden groove; 7. a limiting column; 8. a spring; 9. connecting blocks; 10. a movable plate; 1001. anti-skid blocks; 11. and (4) a silica gel 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.

Referring to fig. 1-4, the present invention provides a technical solution: a high-torsion-resistance drill rod with a high-torque function comprises a drill rod main body 1, an internal thread joint 2, an external thread joint 3, a limiting groove 4, a sliding groove 5, a blind groove 6, a limiting column 7, a spring 8, a connecting block 9, a movable plate 10 and a silica gel block 11, wherein the internal thread joint 2 is welded at the left end of the drill rod main body 1, the external thread joint 3 is welded at the right end of the drill rod main body 1, the limiting groove 4 is formed in the internal thread joint 2, the sliding groove 5 and the blind groove 6 are formed in the external thread joint 3, the limiting column 7 is arranged in the sliding groove 5, the spring 8 is connected between the limiting column 7 and the inner wall of the sliding groove 5, the connecting block 9 is connected to the outer side of the limiting column 7, the movable plate 10 is connected to the upper end of the connecting;

the left end surface of the internal thread joint 2 is provided with a groove 201, the groove 201 is in concave-convex fit with the silica gel block 11, the silica gel block 11 is in a circular ring structure, meanwhile, the section of the silica gel block 11 is in a trapezoidal structure, and the silica gel block 11 and the groove 201 can be in concave-convex fit by rotationally connecting the internal thread joint 2 and the external thread joint 3, so that the connection part of the drill rod main body 1 can be sealed, and the thread structures of the internal thread joint 2 and the external thread joint 3 are prevented from being corroded;

the limiting grooves 4 are distributed in the internal thread joint 2 at equal angles, the limiting grooves 4 are in clearance fit with the limiting columns 7, the positions of the internal thread joint 2 and the external thread joint 3 can be limited for the second time by inserting the limiting columns 7 into the limiting grooves 4, damage to a thread structure caused by over-rotation of the internal thread joint 2 and the external thread joint 3 is avoided, and meanwhile, the connection stability between the drill rod main bodies 1 is improved;

the limiting column 7 is in clearance fit with the sliding groove 5, the limiting column 7 and the external thread joint 3 form an elastic telescopic structure through the spring 8, the limiting column 7 can be collected into the sliding groove 5 through the elastic telescopic structure, and normal rotary connection of the internal thread joint 2 and the external thread joint 3 is prevented from being influenced;

the movable plate 10 is of an arc-shaped structure, the movable plate 10 is in clearance fit with the blind groove 6, the length of the movable plate 10 is greater than that of the chute 5, the chute 5 can be covered by the movable plate 10, and sundries are prevented from entering the chute 5 to cause blockage;

the anti-skidding blocks 1001 are equidistantly arranged on the upper surface of the movable plate 10, the anti-skidding blocks 1001 are of a semi-cylindrical structure, the height of the upper surface of the anti-skidding blocks 1001 is lower than the height of the outer surface of the external thread connector 3, the friction coefficient of the surface of the movable plate 10 can be increased through the anti-skidding blocks 1001, a user can conveniently slide and control the movable plate 10, and therefore the drill rod main body 1 is detached.

The working principle is as follows: when the high-torque-resistance drill rod with the high torque function is used, firstly, as shown in fig. 1 and 4, the movable plate 10 is slid to enable the movable plate 10 to drive the limiting column 7 to be slidingly received into the sliding groove 5, then the internal thread joint 2 and the external thread joint 3 of two adjacent drill rod main bodies 1 are in butt joint in a rotating mode to be in threaded connection, meanwhile, the silica gel block 11 can be clamped into the groove 201, so that the connection position of the drill rod main bodies 1 is sealed and protected, the phenomenon that external impurities corrode the thread structures of the internal thread joint 2 and the external thread joint 3 in the drilling process is avoided, as shown in fig. 2-3, the movable plate 10 is loosened, the limiting column 7 is automatically ejected out of the sliding groove 5 and inserted into the limiting groove 4 under the elastic force action of the spring 8, so that the drill rod main body 1 can be secondarily locked, and the phenomenon that the internal thread joint, thereby can prevent that the helicitic texture from rotating excessively and damaging, effectively improve the antitorque performance of drilling rod, when needs are torn open drilling rod main part 1, slide fly leaf 10 through non slipping spur 1001 for fly leaf 10 is taken in hidden groove 6, and spacing post 7 can be taken out from spacing groove 4 this moment, thereby removes the locking between 2 adjacent drilling rod main parts 1, makes can be with the rotatory split of drilling rod main part 1, thereby accomplishes a series of work.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a high antitorque drilling rod with high moment of torsion function, includes drilling rod main part (1), spacing post (7) and silica gel piece (11), its characterized in that: the drill pipe comprises a drill pipe body (1), and is characterized in that an inner threaded joint (2) is welded at the left end of the drill pipe body (1), an outer threaded joint (3) is welded at the right end of the drill pipe body (1), a limiting groove (4) is formed in the inner portion of the inner threaded joint (2), a sliding groove (5) and a blind groove (6) are formed in the inner portion of the outer threaded joint (3), a limiting column (7) is arranged in the sliding groove (5), a spring (8) is connected between the limiting column (7) and the inner wall of the sliding groove (5), the outer side of the limiting column (7) is connected with a connecting block (9), the upper end of the connecting block (9) is connected with a movable plate (10), and a silica gel.

2. A high torque resistant drill rod with high torque capability according to claim 1 wherein: the left end surface of the female adapter (2) is provided with a groove (201), the groove (201) is matched with the silica gel block (11) in a concave-convex mode, the silica gel block (11) is of a circular ring structure, and meanwhile the section of the silica gel block (11) is of a trapezoid structure.

3. A high torque resistant drill rod with high torque capability according to claim 1 wherein: the limiting grooves (4) are distributed in the inner part of the internal thread joint (2) at equal angles, and the limiting grooves (4) are in clearance fit with the limiting columns (7).

4. A high torque resistant drill rod with high torque capability according to claim 1 wherein: spacing post (7) and spout (5) clearance fit, and spacing post (7) constitute elastic telescopic structure through spring (8) and external screwed joint (3).

5. A high torque resistant drill rod with high torque capability according to claim 1 wherein: the movable plate (10) is of an arc-shaped structure, the movable plate (10) is in clearance fit with the hidden groove (6), and the length of the movable plate (10) is greater than that of the sliding groove (5).

6. A high torque resistant drill rod with high torque capability according to claim 1 wherein: the anti-skidding structure is characterized in that anti-skidding blocks (1001) are arranged on the upper surface of the movable plate (10) at equal intervals, the anti-skidding blocks (1001) are of a semi-cylindrical structure, and the height of the upper surface of each anti-skidding block (1001) is lower than that of the outer surface of the male connector (3).