Search

CN-224228617-U - Impact-resistant thread structure of thick-wall drill rod joint

CN224228617UCN 224228617 UCN224228617 UCN 224228617UCN-224228617-U

Abstract

The utility model relates to the technical field of drill rod joints and discloses an impact-resistant threaded structure of a thick-wall drill rod joint, which comprises a rod body, wherein spiral grooves are formed in the left side and the right side of the inner wall of the rod body, a bidirectional joint is connected with the inner wall of the spiral grooves in a threaded manner, the left side and the right side of the outer wall of the bidirectional joint are respectively provided with the spiral joint, the outer wall of the bidirectional joint is fixedly connected with a first gasket, the outer wall of the first gasket is fixedly connected with a connecting column, the inner walls of a plurality of connecting columns are respectively connected with a screw rod in a threaded manner, the right side of the outer wall of the bidirectional joint is connected with a short joint in a threaded manner, a buckling groove is formed in the left side of the outer wall of the short joint, and the right side of the outer wall of the short joint is fixedly connected with a circular ring. According to the utility model, the connection is performed through the connecting column and the screw on the first gasket, the connection is performed through the short joint and the clamping seat, then the clamping spring in the clamping seat is used for clamping the clamping spring and the fixed block outside the drill bit, and finally the limiting is performed through the circular ring, so that multiple connection is realized.

Inventors

  • LI JUN

Assignees

  • 海隆石油钻具（无锡）有限公司

Dates

Publication Date
20260512
Application Date
20250818

Claims (8)

  1. 1. The utility model provides a thick wall drilling rod connects's shock-resistant helicitic texture, includes shaft (1), its characterized in that helical groove (3) have all been seted up on the inner wall left and right sides of shaft (1), the inner wall threaded connection of helical groove (3) has two-way joint (5), helical joint (4) have all been seted up on the outer wall left and right sides of two-way joint (5), the outer wall fixedly connected with gasket one (6) of two-way joint (5), the outer wall fixedly connected with spliced pole (7) of gasket one (6), a plurality of the equal threaded connection of inner wall of spliced pole (7) has screw rod (8), buckle recess (9) have been seted up on the outer wall right side of two-way joint (5), the outer wall right side fixedly connected with ring (11) of short joint (10), the outer wall right side fixedly connected with subassembly of short joint (10), the inside of shaft (1) is provided with cooling structure (2), cooling structure (2) are used for cooling down the inside of shaft (1).
  2. 2. The impact-resistant threaded structure of a thick-wall drill rod joint according to claim 1, wherein the cooling structure (2) comprises a water injection pipe (201), the outer wall of the water injection pipe (201) is fixedly connected with a rod body (1), a transmission pipe (202) is fixedly connected to the inner part of the water injection pipe (201), rotary discs (203) are fixedly connected to the top ends of the transmission pipes (202), impellers (204) are rotatably connected to the outer walls of the rotary discs (203), conical gears (205) are fixedly connected to the tail ends of the transmission pipes (202), curved tooth gears (206) are fixedly connected to the outer walls of the conical gears (205) in a meshed mode, rotary spray heads (207) are fixedly connected to the top outer walls of the curved tooth gears (206), rotary spray nozzles (208) are fixedly connected to the outer walls of the rotary spray heads (207), and protective cases (209) are fixedly connected to the outer walls of the conical gears (205).
  3. 3. The impact-resistant threaded structure of a thick-wall drill rod joint according to claim 1, wherein the fixing component comprises a clamping seat (12), the left side of the outer wall of the clamping seat (12) is fixedly connected with a short joint (10), and a clamp spring (13) is fixedly connected inside the clamping seat (12).
  4. 4. The impact-resistant threaded structure of the thick-wall drill rod joint according to claim 3, wherein the outer wall of the clamp spring (13) is provided with a positioning track (14), and the inner wall of the clamping seat (12) is connected with a drill bit (16) in a sliding manner.
  5. 5. The impact-resistant threaded structure of a thick-wall drill rod joint according to claim 4, wherein a fixing block (15) is fixedly connected to the left side of the outer wall of the drill bit (16), and a blade (17) is rotatably connected to the right side of the outer wall of the drill bit (16).
  6. 6. The impact-resistant threaded structure of the thick-wall drill rod joint according to claim 5, wherein the outer wall of the rod body (1) is fixedly connected with a spiral sheet (19), and the outer wall of the drill bit (16) is fixedly connected with an anti-slip sleeve (18).
  7. 7. The impact-resistant threaded structure of the thick-wall drill rod joint according to claim 1, wherein a second gasket (21) is fixedly connected to the left side of the outer wall of the rod body (1), and a connecting sleeve (20) is fixedly connected to the left side of the outer wall of the rod body (1).
  8. 8. The impact-resistant threaded structure of the thick-wall drill rod joint according to claim 2, wherein water outlets (23) are formed in the outer walls of the protective shells (209), and support columns (22) are fixedly connected to the left side of the outer wall of the water injection pipe (201).

Description

Impact-resistant thread structure of thick-wall drill rod joint Technical Field The utility model relates to the technical field of drill pipe joints, in particular to an impact-resistant threaded structure of a thick-wall drill pipe joint. Background The thick-wall drill rod is mainly applied to the fields of petroleum and natural gas exploration and geological drilling, has excellent strength and deformation resistance by virtue of the thick pipe wall, can stably work in an underground environment of kilometers or more, bears the heavy duty of torque and axial pressure of transmission drilling equipment, ensures that a drill bit can efficiently break rock and drill, simultaneously provides a channel for the circulation of drilling fluid, carries rock fragments at the bottom of a well to the ground, and maintains the smooth progress of drilling operation. Especially under complicated geological conditions, such as deep hard rock layer and drilling of high-pressure oil and gas layer, the thick-wall drill rod is a core component for guaranteeing operation safety and efficiency. But most thick-wall drill rod joints are connected mainly by means of traditional single thread structures, plastic deformation of the traditional single thread profile is easy to occur when the screw thread structures are subjected to strong impact load in the long-term use process, meanwhile, when the drill is in ground work, the drill rod cannot be cooled effectively and uniformly by internal fixed cooling, and in the drilling fluid environment with high temperature and high pressure and rich corrosive substances, sealing grease is easy to lose efficacy, a double sealing system with cooperative work of a metal sealing ring and a rubber sealing gasket is adopted in the market at present, stable sealing performance can be kept in the high-pressure environment, instability of a single connection mode during long-time work and huge impact can not be solved, meanwhile, because of long-time work, the internal fixed cooling of the screw thread cannot be effectively cooled, accidents of the drill rod occur, and the working efficiency is affected. Disclosure of utility model In order to make up for the defects, the utility model provides an impact-resistant threaded structure of a thick-wall drill rod joint, and aims to solve the problems that the instability of a single connection mode and the fixed cooling in the prior art cannot be effectively cooled, and the working efficiency is affected. In order to achieve the above purpose, the shock-resistant threaded structure of the thick-wall drill rod joint comprises a rod body, wherein spiral grooves are formed in the left side and the right side of the inner wall of the rod body, a bidirectional joint is connected with the inner wall of the spiral grooves in a threaded mode, the left side and the right side of the outer wall of the bidirectional joint are respectively provided with the spiral joint, the outer wall of the bidirectional joint is fixedly connected with a first gasket, the outer wall of the first gasket is fixedly connected with a connecting column, the inner walls of the connecting columns are respectively connected with a screw rod in a threaded mode, the right side of the outer wall of the bidirectional joint is connected with a short joint in a threaded mode, a buckling groove is formed in the left side of the outer wall of the short joint, the right side of the outer wall of the short joint is fixedly connected with a circular ring, the right side of the outer wall of the short joint is fixedly connected with a fixing assembly, and the cooling structure is arranged in the rod body and used for cooling the inside of the rod body. As a further description of the above technical solution: The cooling structure comprises a water injection pipe, the outer wall and the pole body fixed connection of water injection pipe, the inside fixedly connected with transmission pipe of water injection pipe, a plurality of the equal fixedly connected with rotary disk in top of transmission pipe, it is a plurality of the outer wall rotation of rotary disk is connected with the impeller, the equal fixedly connected with conical gear in end of transmission pipe, a plurality of the equal meshing of conical gear's outer wall is connected with curved tooth gear, a plurality of the equal fixedly connected with rotatory nozzle in top outer wall of curved tooth gear, a plurality of the equal fixedly connected with rotatory nozzle in outer wall of rotatory nozzle, the equal fixedly connected with protective housing of conical gear's outer wall. As a further description of the above technical solution: The fixing assembly comprises a clamping seat, the left side of the outer wall of the clamping seat is fixedly connected with a short joint, and a clamp spring is fixedly connected inside the clamping seat. As a further description of the above technical solution: The outer wall of jump ring has seted up t