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CN-121976757-A - High-strength sucker rod with rotary structure

CN121976757ACN 121976757 ACN121976757 ACN 121976757ACN-121976757-A

Abstract

The invention relates to the technical field of low-carbon exploitation in oil fields, and provides a high-strength sucker rod with a rotary structure, which comprises a rod body mechanism and a rotary connecting piece, wherein the rotary connecting piece comprises a rotary mechanism and a connecting mechanism, the upper end and the lower end of the rotating mechanism are respectively connected with a connecting mechanism in a rotating way, and one side, far away from the rod body mechanism, of the connecting mechanism is respectively connected with the rod body mechanism in a threaded way. Through the cooperation of adjusting part, outer rotating part and coupling mechanism for all body of rod mechanisms and rotary connection spare make upper and lower internal thread mouth and external screw thread mouth threaded connection tighter and tighter in the inside reciprocating motion's of pumping well constantly, practiced thrift equipment energy consumption, cost of labor and the material consumption that the workover in-process produced, and through the cooperation of outer rotating part, inner rotating part and body of rod mechanisms, avoid not working because of the beam-pumping unit ineffectively that the connection becomes flexible leads to, reduced the energy waste in the exploitation process, further strengthened the operation characteristic of low carbon exploitation.

Inventors

  • WANG SHANYIN
  • SUN PENGTU
  • ZHANG LUYAO
  • KONG JIANXIN
  • Yang jubao
  • PAN YANG
  • LIU YING

Assignees

  • 丰达石油装备股份有限公司

Dates

Publication Date
20260505
Application Date
20260401

Claims (8)

  1. 1. The high-strength sucker rod with the rotary structure comprises a rod body mechanism (100) and a rotary connecting piece, and is characterized in that the rotary connecting piece comprises a rotary mechanism (300) and a connecting mechanism (200), the upper end and the lower end of the rotary mechanism (300) are respectively and rotatably connected with the connecting mechanism (200), and one side, far away from the rod body mechanism (100), of the connecting mechanism (200) is respectively and spirally connected with the rod body mechanism (100); The rotating mechanism (300) comprises an adjusting component (310), an outer rotating component (320) is connected to the outer part of the adjusting component (310) in a sliding mode, and an inner rotating component (330) is connected to the inner part of the adjusting component (310) in a sliding mode; The rod body mechanism (100) comprises a hollow rod body (110), wherein the upper end and the lower end of the hollow rod body (110) are fixedly connected with connectors (120), one end, far away from the hollow rod body (110), of each connector (120) is internally and uniformly provided with a first fixing lug (130), and one end, far away from the hollow rod body (110), of each connector (120) is externally provided with an external thread opening (140); Coupling mechanism (200) are including two connecting seats (210), connecting seat (210) are close to the one end inner periphery evenly distributed of adjusting part (310) and have ball (270), connecting seat (210) are kept away from one side inner periphery of hollow body of rod (110) and are provided with internal thread mouth (220), spout (230) have all been seted up at the periphery middle part of connecting seat (210), spout (230) are inside to keep away from one end of adjusting part (310) evenly to have seted up mounting groove one (240), the inside of mounting groove one (240) is equal fixedly connected with spring one (250), one end that spring one (250) is close to outer rotating assembly (320) is equal fixedly connected with movable lug one (260).
  2. 2. The high-strength sucker rod with the rotary structure according to claim 1, wherein the directions of the threads of the upper external thread opening (140) and the lower external thread opening (140) are opposite, the directions of the threads of the upper internal thread opening (220) and the lower internal thread opening (220) are opposite, the connecting seat (210) is rotatably connected to the periphery of the upper end and the lower end of the adjusting assembly (310) near the interior Zhou Jun of one end of the adjusting assembly (310), and the outer parts of the movable protruding blocks (260) are slidably connected to the inside of the mounting groove (240).
  3. 3. The high-strength sucker rod with the rotary structure according to claim 1, wherein the adjusting component (310) comprises an adjusting seat (311) and a limiting seat (315), sliding holes (312) are uniformly formed in the periphery of the adjusting seat (311), limiting grooves (313) are formed in the upper end and the lower end of the adjusting seat (311), connecting discs (314) are fixedly connected to the upper end and the lower end of the limiting seat (315), limiting holes (316) are uniformly formed in the middle of the limiting seat (315), and tooth openings (317) are formed in one side of the inner portion of each limiting hole (316).
  4. 4. A high-strength sucker rod with a rotary structure according to claim 3, wherein the outer circumferences of the balls (270) are all rotatably connected in the limiting grooves (313), and the outer circumferences of the connecting discs (314) are all fixedly connected at the upper and lower ends of the inner middle part of the adjusting seat (311).
  5. 5. The high-strength sucker rod with a rotary structure according to claim 3, wherein the outer rotary assembly (320) comprises a sliding ring (321) and a rotary ring (325), adjusting columns (322) are uniformly distributed in the middle of the sliding ring (321), blades (324) are fixedly connected to the inner part of one end of each adjusting column (322) close to the rotary ring (325), a half gear (323) is fixedly connected to one end of each adjusting column (322) far away from the rotary ring (325), rotary columns (326) are uniformly distributed at the upper end and the lower end of each adjusting seat (311), and tooth openings (317) are fixedly connected to one end of each rotating column (326) far away from the adjusting seat (311).
  6. 6. The high-strength sucker rod with the rotary structure according to claim 5, wherein one end of the adjusting column (322) far away from the sliding ring (321) is rotationally connected inside the rotary ring (325), the inner circumference of the sliding ring (321) is slidingly connected on the outer circumference of the adjusting seat (311), the half gears (323) are meshed with the tooth openings (317), and the middle outer Zhou Jun of the adjusting column (322) is slidingly connected inside the sliding hole (312).
  7. 7. The high-strength sucker rod with the rotary structure according to claim 5, wherein the inner rotary assembly (330) comprises a sliding column (331), a mounting shaft (333) and a fluted disc two (335), fluted discs one (332) are fixedly connected to the upper end and the lower end of the sliding column (331), all full gears (334) are fixedly connected to the periphery of the middle part of the mounting shaft (333), all gears (334) are meshed with the fluted disc two (335), mounting grooves two (336) are uniformly distributed on the periphery of the fluted disc two (335), springs two (337) are fixedly connected to the inner part of the mounting grooves two (336), and movable lugs two (338) are fixedly connected to one ends, close to the connecting seat (210), of the springs two (337).
  8. 8. The high-strength sucker rod with the rotary structure according to claim 7, wherein one end of the adjusting column (322) far away from the rotary ring (325) is rotationally connected to the outer periphery of the middle part of the sliding column (331), the outer part of the movable second projection (338) is slidably connected to the inner part of the second mounting groove (336), one end of the mounting shaft (333) close to the connecting seat (210) is rotationally connected to the inner middle part of the connecting seat (210), and the outer periphery of the second fluted disc (335) is rotationally connected to one side of the inner middle part of the connecting seat (210) close to the inner threaded port (220).

Description

High-strength sucker rod with rotary structure Technical Field The invention relates to the technical field of low-carbon exploitation in oil fields, in particular to a high-strength sucker rod with a rotary structure. Background In the low-carbon exploitation operation of an oil field, the sucker rod is used as a core transmission component for crude oil lifting, and the service stability of the sucker rod directly influences the energy utilization efficiency and the low-carbon operation of the exploitation process. The existing sucker rod adopts a segmented structure, and is connected section by section through a connecting piece to form a rod column when in well descending, and the rod column and a matched part are driven by the pumping unit to reciprocate in the well to realize crude oil suction in operation. The existing sucker rod and the connecting piece are mainly connected through simple threads, when the rod column reciprocates in a well, the threaded connection is continuously subjected to crude oil resistance, alternating load and vibration, the thread loosening is easy to occur, the part of the two-section rotatable connecting piece can release torsion force, but the loosening problem cannot be avoided, once the sucker rod falls off in the well, complex well repair operation needs to be carried out, the operation procedure and the energy consumption are greatly increased, the crude oil extraction flow is interrupted, the integral oil extraction efficiency of an oil field is reduced, and the technical requirement and the development concept of low-carbon extraction are contrary. Disclosure of Invention The invention aims to solve the problems in the prior art and aims to provide a high-strength sucker rod with a rotary structure, which solves the problems in the prior art. In order to solve the problems, the invention adopts the following technical scheme that the high-strength sucker rod with the rotary structure comprises a rod body mechanism and a rotary connecting piece, wherein the rotary connecting piece comprises a rotary mechanism and a connecting mechanism, the upper end and the lower end of the rotary mechanism are respectively and rotatably connected with the connecting mechanism, and one side, far away from the rod body mechanism, of the connecting mechanism is respectively and spirally connected with the rod body mechanism; the rotating mechanism comprises an adjusting assembly, wherein the outer part of the adjusting assembly is connected with an outer rotating assembly in a sliding manner, and the inner part of the adjusting assembly is connected with an inner rotating assembly in a sliding manner; The rod body mechanism comprises a hollow rod body, the upper end and the lower end of the hollow rod body are fixedly connected with connectors, the inner part of one end of each connector, which is far away from the hollow rod body, is uniformly provided with fixing convex blocks I, and the outer part of one end of each connector, which is far away from the hollow rod body, is provided with an external thread opening; Coupling mechanism includes two connecting seats, the one end inner periphery evenly distributed that the connecting seat is close to adjusting part has the ball, one side inner periphery that the hollow body of rod was kept away from to the connecting seat is provided with the internal thread mouth, the spout has all been seted up at the periphery middle part of connecting seat, mounting groove one has evenly been seted up to the inside one end of keeping away from adjusting part of spout, the equal fixedly connected with spring one of inside of mounting groove one, the equal fixedly connected with movable lug one of one end that the spring one is close to outer rotating assembly. Preferably, the directions of the threads of the upper external thread opening and the lower external thread opening are opposite, the directions of the threads of the upper internal thread opening and the lower internal thread opening are opposite, zhou Jun in one end of the connecting seat close to the adjusting assembly is rotationally connected to the periphery of the upper end and the lower end of the adjusting assembly, and the outer parts of the first movable lugs are slidably connected to the inner part of the first mounting groove. Preferably, the adjusting part comprises an adjusting seat and a limiting seat, sliding holes are uniformly formed in the periphery of the adjusting seat, limiting grooves are formed in the upper end and the lower end of the adjusting seat, connecting discs are fixedly connected to the upper end and the lower end of the limiting seat, limiting holes are uniformly formed in the middle of the limiting seat, and tooth openings are formed in one side of the inner portion of each limiting hole. Preferably, the periphery of ball all rotates the inside of connecting at the spacing groove, the periphery of connection pad is all fixed connection in the interior midd