CN219570041U

CN219570041U - Hydraulic oscillation screw

Info

Publication number: CN219570041U
Application number: CN202320782631.8U
Authority: CN
Inventors: 蔡万伟
Original assignee: Petrostar Oil Technology Co ltd
Current assignee: Petrostar Oil Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-22
Anticipated expiration: 2033-04-11

Abstract

The utility model provides a hydraulic oscillation screw rod, wherein the upper part of the inner side of the connecting screw rod is provided with a hydraulic oscillator, and the lower part of the outer side of the connecting screw rod is integrally provided with an outer spiral sleeve; the sliding locking connector assembly comprises a drill bit connecting sleeve, and a threaded connecting pipe is integrally arranged on the upper portion of the drill bit connecting sleeve. The beneficial effects of the utility model are as follows: through drill bit adapter sleeve, screwed connection pipe, spacing spout, annular slip cap and spacing slider's setting, be favorable to cooperating the screw thread locking ware subassembly, lock locking part, improve the locking effect of junction.

Description

Hydraulic oscillation screw

Technical Field

The utility model belongs to the technical field of hydraulic oscillation screws, and particularly relates to a hydraulic oscillation screw.

Background

The screw drilling tool is a positive displacement power drilling tool, uses drilling fluid as a driving medium, drives an internal rotor to rotate, and transmits torque to a drill bit through an internal universal shaft. The screw rod drilling tool is simple in structure and high in reliability, meanwhile, an angle can be set on the shell of the tool, directional drilling can be achieved, the friction resistance applied by a drill string to a well wall is increased continuously along with the continuous increase of the length of a horizontal section in China, the drill string is difficult to drop into a designed well depth, deflection deformation can occur under the combined action of the weight on bit and the friction resistance, accurate weight on bit cannot be applied to the drill bit due to the fact that the drill string is subjected to the friction resistance of the well wall, drilling efficiency is seriously affected, the joint of threads and the drill bit is generally connected through threads, the vibration of a hydraulic oscillator is affected, and the threads are easy to loose.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the hydraulic oscillation screw, which combines the oscillation generator with the screw, is matched with a locking connection structure, can shorten the length of the screw, and ensures the connection effect of the screw and a drill bit.

The technical scheme is as follows: the utility model provides a hydraulic oscillation screw rod, includes the connecting screw rod, the inboard upper portion installation and the hydraulic oscillator of connecting screw rod, the outside lower part integration of connecting screw rod is provided with outer spiral shell, its characterized in that, the lower part of connecting screw rod install slip locking connector assembly, the outside upper portion of slip locking connector assembly installs screw thread locking ware subassembly.

Preferably, the sliding locking connector assembly comprises a drill bit connecting sleeve, a threaded connecting pipe is integrally arranged on the upper portion of the drill bit connecting sleeve, a limiting sliding groove is formed in the upper portion of the outer side of the drill bit connecting sleeve, an annular sliding sleeve is sleeved on the outer side of the drill bit connecting sleeve, and a limiting sliding block is integrally arranged on the inner side of the annular sliding sleeve.

Preferably, the thread anti-loosening device assembly comprises an annular connecting sleeve, an inner threaded hole is formed in the inner side of the annular connecting sleeve, and an anti-loosening clamping groove and an inclined guide groove are formed in the outer side of the annular connecting sleeve respectively.

Preferably, the limiting sliding grooves are respectively arranged at four corners of the outer side of the drill bit connecting sleeve, and the limiting sliding blocks are inserted into the inner sides of the limiting sliding grooves.

Preferably, the threaded connecting pipe is in threaded connection with the lower part of the inner side of the connecting screw rod, and the inner side of the connecting screw rod is communicated with the inner side of the threaded connecting pipe.

Preferably, the annular connecting sleeve is in threaded connection with the outer side of the threaded connecting pipe, and the upper part of the annular connecting sleeve is tightly attached to the lower part of the connecting screw.

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

1. according to the utility model, the drill bit connecting sleeve, the threaded connecting pipe, the limiting sliding groove, the annular sliding sleeve and the limiting sliding block are arranged, so that the threaded locking device assembly is matched, locking of locking parts is facilitated, and the locking effect of the connecting part is improved.

2. According to the utility model, the annular connecting sleeve, the internal threaded hole, the anti-loosening clamping groove and the inclined guide groove are arranged, so that the connection part of the connecting screw and the drill bit is prevented from loosening, and the connection part is not influenced by a water conservancy oscillator.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the sliding lock connector assembly of the present utility model.

Fig. 3 is a schematic view of the structure of the annular sliding sleeve of the present utility model.

Fig. 4 is a schematic structural view of the thread looseness-preventing assembly of the present utility model.

In the figure:

1. a connecting screw; 2. a water conservancy oscillator; 3. an outer spiral sleeve; 4. a sliding lock connector assembly; 41. the drill bit is connected with the casing pipe; 42. a threaded connecting pipe; 43. limiting sliding grooves; 44. an annular sliding sleeve; 45. a limit sliding block; 5. a threaded looseness-stop assembly; 51. an annular connecting sleeve; 52. an internal threaded hole; 53. a locking clamping groove; 54. the guide groove is inclined.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

examples:

as shown in fig. 1, a hydraulic oscillation screw comprises a connecting screw 1, wherein the upper part of the inner side of the connecting screw 1 is provided with a hydraulic oscillator 2, and the lower part of the outer side of the connecting screw 1 is integrally provided with an outer spiral sleeve 3.

In the above embodiment, specifically, the locking groove 53 is integrally provided at the upper portion of the inclined guide groove 54, and the upper inner portion of the locking groove 53 and the lower inner portion of the inclined guide groove 54 are vertically penetrated.

In the above embodiment, specifically, the inner side of the annular sliding sleeve 44 is screwed with a locking bolt, and the end of the locking bolt is abutted against the outer side of the drill bit connecting sleeve 41.

In the above embodiment, specifically, the outer side of the connecting screw 1 is provided with a tungsten carbide surface coating, which has high impact strength and good abrasion resistance, and can be applied to stratum with high hardness, strong abrasion and variability.

Principle of operation

The working principle of the utility model is as follows: the lower part of drill bit coupling sleeve 41 links together with the drill bit, during the installation, connect drill bit coupling sleeve 41 threaded connection to the inboard lower part of connecting screw rod 1 through threaded connection pipe 42, then rotatory annular adapter sleeve 51, make the upper portion of annular adapter sleeve 51 closely laminate in the lower part of connecting screw rod 1, then upwards move annular slip cap 44, annular slip cap 44 drives spacing slider 45 and upwards moves, make the lower part of spacing slider 45 peg graft in the inboard of spacing spout 43, the upper portion of spacing slider 45 passes through the inboard of slope guide slot 54 card at locking draw-in groove 53, lock the junction, pass through outside bypass valve assembly, motor assembly and transmission shaft assembly and utilize the rotatory of this screw rod of mud hydraulic drive's mode drive, fuse together through connecting screw rod 1 and water conservancy oscillator 2, make the overall length of screw rod shorten, the deflecting ability has been increased.

By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.

Claims

1. The utility model provides a hydraulic oscillation screw rod, this hydraulic oscillation screw rod, includes connecting screw rod (1), the inboard upper portion installation and the hydraulic oscillator (2) of connecting screw rod (1), the outside lower part integration of connecting screw rod (1) is provided with outer spiral shell (3), its characterized in that, the lower part of connecting screw rod (1) install slip locking connector subassembly (4), screw thread locking ware subassembly (5) are installed on the outside upper portion of slip locking connector subassembly (4).

2. The hydraulic oscillating screw as claimed in claim 1, wherein the sliding locking connector assembly (4) comprises a drill bit connecting sleeve (41), a threaded connecting pipe (42) is integrally arranged on the upper portion of the drill bit connecting sleeve (41), a limit sliding groove (43) is formed in the upper portion of the outer side of the drill bit connecting sleeve (41), an annular sliding sleeve (44) is sleeved on the outer side of the drill bit connecting sleeve (41), and a limit sliding block (45) is integrally arranged on the inner side of the annular sliding sleeve (44).

3. The hydraulic oscillating screw as claimed in claim 1, wherein the thread locking assembly (5) comprises an annular connecting sleeve (51), an internal threaded hole (52) is formed in the inner side of the annular connecting sleeve (51), and a locking clamping groove (53) and an inclined guide groove (54) are formed in the outer side of the annular connecting sleeve (51) respectively.

4. The hydraulic oscillating screw as claimed in claim 2, wherein the limit sliding grooves (43) are respectively arranged at four corners of the outer side of the drill bit connecting sleeve (41), and the limit sliding blocks (45) are inserted into the inner sides of the limit sliding grooves (43).

5. The hydraulic oscillating screw as claimed in claim 2, wherein the screw connection pipe (42) is screw-connected to the lower portion of the inside of the connection screw (1), and the inside of the connection screw (1) communicates with the inside of the screw connection pipe (42).

6. A hydraulic oscillating screw as claimed in claim 3, characterized in that the annular connecting sleeve (51) is screwed on the outside of the screwed connection pipe (42), and the upper part of the annular connecting sleeve (51) is tightly fitted with the lower part of the connecting screw (1).