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CN-224214880-U - Ultrahigh pressure pipeline connecting device for drilling and logging

CN224214880UCN 224214880 UCN224214880 UCN 224214880UCN-224214880-U

Abstract

The utility model relates to the technical field of pipe line connecting devices, in particular to an ultrahigh pressure pipe line connecting device for drilling and logging, which comprises a female joint mechanism, a male joint mechanism and a male joint mechanism, wherein the female joint mechanism comprises a female joint pipeline, the female joint pipeline is installed on an equipment shell in a communicated manner, a first annular plate is fixedly connected to the outer wall of the female joint pipeline, at least one annular groove is formed in the side face of the first annular plate, an elastic pad is arranged on the inner wall of the annular groove, a pressing and fixing mechanism is arranged on the female joint pipeline, the male joint mechanism comprises an installation seat, one side of the installation seat is provided with an ultrahigh pressure pipe line in a communicated manner, and the other side of the installation seat is provided with a male joint pipeline in a communicated manner. The device can still keep stable sealing under the high-pressure state, and is convenient to disassemble and assemble and good in sealing performance.

Inventors

  • LI JUN
  • HU SIYI

Assignees

  • 浙江竞联机电科技有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (8)

  1. 1. An ultra-high pressure pipeline connection device for drilling and logging, comprising: The female joint mechanism comprises a female joint pipeline (2), the female joint pipeline (2) is installed on the equipment shell (1) in a communicating mode, a first annular plate (6) is fixedly connected to the outer wall of the female joint pipeline (2), at least one annular groove (7) is formed in the side face of the first annular plate (6), an elastic pad is arranged on the inner wall of the annular groove (7), and a pressing mechanism is arranged on the female joint pipeline (2); Public joint mechanism, public joint mechanism includes mount pad (4), superhigh pressure pipeline (3) are installed in one side intercommunication of mount pad (4), public piping (5) are installed to the opposite side intercommunication of mount pad (4), public piping (5) are kept away from one side of public piping (5) and are installed third annular slab (14), the diameter of third annular slab (14) is greater than the diameter of public piping (5), one side of third annular slab (14) is provided with annular sand grip (15) with ring channel (7) complex, annular sand grip (15) extrusion elastic cushion, press solid mechanism makes first annular slab (6) and third annular slab (14) sealing connection.
  2. 2. The ultra-high pressure pipeline connecting device for drilling and logging according to claim 1, wherein a third annular plate (14) is fixedly connected to one side, far away from the mounting seat (4), of the male connection pipeline (5), a second circular groove (16) is formed in the middle of the third annular plate (14), the second circular groove (16) is communicated with the male connection pipeline (5), annular raised strips (15) are fixedly arranged on one side, far away from the male connection pipeline (5), of the third annular plate (14), and the number of the annular raised strips (15) is the same as that of the annular grooves (7).
  3. 3. The ultra-high pressure pipeline connecting device for drilling and logging according to claim 2, wherein the number of the annular convex strips (15) and the annular grooves (7) is two, and the axes of the two annular grooves (7) are the same as the axes of the female pipe (2).
  4. 4. An ultrahigh pressure pipeline connection device for drilling and logging according to claim 3, wherein the elastic pad is made of rubber material.
  5. 5. The ultrahigh pressure pipeline connecting device for drilling and logging according to claim 4, wherein the pressing mechanism comprises a second mounting plate (9), annular raised strips (15), a pressing plate (8), a second annular plate (10) and an annular rotating plate (11), the second mounting plate (9) and the second annular plate (10) are fixedly connected to the outer wall of the female connecting pipe (2), the second annular plate (10), the second mounting plate (9) and the first annular plate (6) are sequentially arranged from left to right, a circular groove (13) is formed in the second mounting plate (9), the rotating column (12) penetrates through the rotating column (12), a pressing plate (8) is fixedly connected to the side edge, close to one side of the first annular plate (6), of the rotating column (12) is far away from the pressing plate (8), the annular rotating plate (11) is fixedly connected to one side, when the female connecting pipe is clamped, the annular rotating plate (11) is pressed on the left side of the second annular plate (10), the pressing plate (8) is pressed on the right side of the third annular plate (14), and the third annular plate (14) is attached to the third annular plate (6).
  6. 6. The ultra-high pressure pipeline connecting device for drilling and logging according to claim 5, wherein a conical groove is formed in the inner side of the annular groove (7), a conical plate matched with the conical groove is arranged on the outer wall of the annular raised strip (15) and used for a guiding mechanism, and the first annular plate (6) and the third annular plate (14) are installed together in a sealing mode at a preset angle.
  7. 7. The ultra-high pressure pipeline connecting device for drilling and logging according to claim 6, wherein a bearing is arranged in the circular groove (13), and the circular groove (13) is connected with the rotating column (12) through the limiting rotation of the bearing.
  8. 8. The ultra-high pressure pipeline connection device for drilling and logging according to claim 7, wherein an O-shaped gasket is fixedly arranged on the right side of the third annular plate (14), and the pressing plate (8) presses the right side of the O-shaped gasket.

Description

Ultrahigh pressure pipeline connecting device for drilling and logging Technical Field The utility model relates to the technical field of pipeline connecting devices, in particular to an ultrahigh pressure pipeline connecting device for drilling and logging. Background In oil drilling logging operations, high pressure fluid operations are frequent, which places extremely high demands on the performance of the pipeline connection. Conventional connecting devices, such as common union joints, have a number of drawbacks. When dismantling and installing, because female joint adopts threaded connection with wing nut, need rotate many number of turns, be difficult to realize quick assembly disassembly, greatly reduced operating efficiency, and threaded connection can the thread breakage sometimes, influence the life of device, and the screw thread is not hard up sometimes, also can cause sealing performance to reduce. In addition, the sealing performance and the anti-loose performance of some connecting devices are poor, and the phenomena of leakage and loosening are easy to occur in a high-pressure environment, so that the smooth operation is affected, and safety accidents are possibly caused. Meanwhile, the existing connecting device is poor in universality when facing complex operation environments and pipelines with different specifications, and cannot flexibly adapt to the requirements of various working conditions. Therefore, it is urgent to develop an ultrahigh pressure pipeline connecting device for drilling and logging, which has good quick assembly and disassembly, sealing and anti-loose properties and strong universality. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides an ultrahigh pressure pipeline connecting device for drilling and logging, which can ensure that the device can still keep stable sealing in a high pressure state, is convenient to assemble and disassemble and has good sealing performance. In order to solve the technical problems, the utility model adopts the technical scheme that the ultrahigh pressure pipeline connecting device for drilling and logging comprises: The female joint mechanism comprises a female joint pipeline, the female joint pipeline is installed on the equipment shell in a communicated mode, a first annular plate is fixedly connected to the outer wall of the female joint pipeline, at least one annular groove is formed in the side face of the first annular plate, an elastic pad is arranged on the inner wall of the annular groove, and a pressing mechanism is arranged on the female joint pipeline; Public joint mechanism, public joint mechanism includes the mount pad, the superhigh pressure pipeline is installed to one side intercommunication of mount pad, public joint pipeline is installed to the opposite side intercommunication of mount pad, public joint pipeline is kept away from public one side of connecing the pipeline and is installed the third annular slab, the diameter of third annular slab is greater than public diameter of connecing the pipeline, one side of third annular slab is provided with the annular sand grip with ring channel complex, annular sand grip extrusion elastic cushion, press solid mechanism makes first annular slab and third annular slab sealing connection. Further, one side of public pipeline that keeps away from the mount pad fixedly connected with third annular plate, the second circular slot has been seted up at third annular plate middle part, second circular slot and public pipeline intercommunication, one side of public pipeline is kept away from to the third annular plate is fixed mounting annular sand grip, annular sand grip's quantity is the same with ring channel quantity. Further, the number of the annular convex strips and the annular grooves is two, and the axes of the two annular grooves are the same as the axes of the female pipe. Further, the elastic pad is made of rubber materials. Further, the press-fixing mechanism comprises a second mounting plate, annular convex strips, a pressing plate, a second annular plate and a circular rotating plate, wherein the second mounting plate and the second annular plate are fixedly connected to the outer wall of the female connecting pipeline, the second annular plate, the second mounting plate and the first annular plate are sequentially arranged from left to right, a circular groove is formed in the second mounting plate, the rotating column penetrates through the rotating column, the side edge of one side, close to the first annular plate, of the rotating column is fixedly connected with the pressing plate, one side, far away from the pressing plate, of the rotating column is fixedly connected with the circular rotating plate, when the pressing plate is clamped, the circular rotating plate is pressed on the left side of the second annular plate, and the pressing plate is pressed on the right side of the third annular plate, so that