Butt joint positioning device for crude oil long-distance pipeline installation
By combining quick-connection, clamping and fixing and stable rotation mechanisms, the problems of loose connections, easy loosening and poor sealing in long-distance crude oil pipelines have been solved, achieving fast, stable and sealed pipeline connections, and ensuring the safety and efficiency of crude oil transportation.
Patent Information
- Application Number
- CN202520185116.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing long-distance crude oil pipelines are cumbersome and time-consuming to connect and dismantle, with loose connections that are prone to loosening, leading to leaks and environmental pollution, and poor sealing.
It adopts a quick-connection mechanism, a clamping and fixing mechanism, and a stable rotation mechanism, including components such as a snap-fit inner tube, a snap-fit outer tube, a snap-fit groove, an extension frame, a rotating frame, a clamping plate, a threaded ring, a thrust bearing, a directional ring, a pressure groove, a bottom turntable, an outer fixing plate, and a centripetal block, to achieve quick docking, stable fixing, and a sealed connection.
It improves the stability and sealing of pipeline connections, reduces the risk of leakage, ensures the safety and efficiency of crude oil transportation, and simplifies the installation and dismantling process.
Smart Images

Figure CN223609621U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline connection technical field, more specifically, it relates to a butt joint positioning device for crude oil long-distance pipeline installation. BACKGROUND
[0002] The butt joint positioning device for crude oil long-distance pipeline installation is a key equipment used in the construction of crude oil pipelines, mainly used for ensuring the precise butt joint and positioning between sections during the installation process of the pipeline. These devices can ensure the precision, efficiency and safety of pipeline installation, and are one of the basic infrastructures for ensuring long-distance and stable transportation of crude oil.
[0003] In the existing technology, the butt joint and disassembly process of the pipeline can become tedious and time-consuming, and the lack of quick clamping can lead to the need for more manual operation and tools during the installation process, reducing work efficiency. The connection of the pipeline can not be stable enough, and displacement or loosening can easily occur, leading to insecure pipeline connection and affecting the safe transportation of crude oil, and even causing leakage or failure.
[0004] Secondly, the connection of some devices can not be sealed tightly, which can cause leakage of crude oil during transportation. The design of sealing gaskets and sealing grooves is to prevent leakage through such close cooperation, and the lack of these mechanisms can lead to poor sealing of the pipeline connection, causing environmental pollution and resource waste. SUMMARY
[0005] (I) Technical problems solved
[0006] In view of the problems existing in the prior art, the utility model provides a butt joint positioning device for crude oil long-distance pipeline installation to solve the technical problems of tedious and time-consuming butt joint and disassembly process of the pipeline, insecure connection and the like mentioned in the background technology.
[0007] (II) Technical solutions
[0008] To achieve the above object, the utility model provides the following technical scheme: A butt joint positioning device for crude oil long-distance pipeline installation, quick clamping mechanism, compression fixing mechanism and stable rotation mechanism, the quick clamping mechanism includes clamping inner tube, clamping outer tube, clamping groove, extension frame, rotating frame and clamping slope plate, the clamping inner tube can extend into the inside of the clamping outer tube, the clamping groove is arranged on the outer wall of the clamping inner tube, the extension frame is horizontally slidably arranged on the side wall of the clamping outer tube, the rotating frame is limitingly rotatably installed on the outer wall of the clamping outer tube, the clamping slope plate is installed on the side wall of the rotating frame, the clamping slope plate is slidably connected with one end of the extension frame, rotating the clamping slope plate makes the extension frame extend into or away from the clamping groove, the compression fixing mechanism includes threaded ring, thrust bearing, directional ring and pressing groove, the threaded ring is threadedly connected on the outer wall of the clamping outer tube, the directional ring is directionally slidably installed on the outer wall of the clamping outer tube, the thrust bearing is arranged between the directional ring and the threaded ring, the pressing groove is arranged at the bottom end of the directional ring, and the pressing groove can press the side of the extension frame to fix the extension frame.
[0009] The utility model further sets up, the stable rotation mechanism includes bottom turntable, outer fixed plate, centripetal block, tight spring and rotating block, bottom turntable sets up at the bottom of rotating frame, rotating block installs at the bottom end of bottom turntable, outer fixed plate is fixedly installed on the outer wall of clamping outer tube, and a plurality of centripetal blocks are slidably installed on the top end of outer fixed plate, and tight spring is installed between adjacent centripetal blocks, and the inner wall of centripetal block is in contact with the outer wall of rotating block and is clamped, and rotating block rotates gradually between adjacent centripetal blocks, so that rotating frame stably rotates on the outer wall of clamping outer tube.
[0010] The utility model further sets up, one end of clamping inner tube is equipped with upper connecting plate, and upper connecting plate is connected with external pipeline, one end of clamping outer tube is equipped with lower connecting plate, and lower connecting plate is connected with external pipeline, and upper connecting plate and lower connecting plate are connected with external pipeline respectively, guarantee the butt joint and the sealing property of pipeline, not only can ensure the stable connection of device, but also can be convenient for the installation and dismounting of subsequent pipeline.
[0011] The utility model further sets up, the top end of bottom turntable is fixedly connected with the bottom end of rotating frame, and outer rotating lever is installed on the side of bottom turntable, and the bottom turntable can be rotated by external manual or mechanical force, so that the flexibility and controllability of the device are enhanced.
[0012] The utility model further sets up, the top end of outer fixed plate is equipped with centripetal rail, and centripetal block is slidably arranged on the centripetal rail, and the centripetal rail can help centripetal block to keep accurate track in the sliding process, so that the whole rotating system is more stable.
[0013] The utility model further provides for, the inner wall of the clamping outer pipe is equipped with sealing washer, and the outer wall of clamping inner pipe can press to sealing washer, sealing washer can effectively prevent oil and gas leakage, ensure the sealing property of pipeline connection, reduce the resource waste and environmental pollution caused by leakage.
[0014] The utility model further provides for, the inner wall of the clamping outer pipe is equipped with sealing groove, and one end of clamping inner pipe is sealedly connected with sealing groove, and the setting of sealing groove can enhance sealing effect, make the connection between clamping inner pipe and clamping outer pipe more closely, further promote the sealing performance of device, ensure the safe transportation of crude oil in long distance pipeline.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a kind of butt joint positioning device for crude oil long distance pipeline installation, with the following beneficial effects:
[0017] The utility model sets up quick clamping mechanism, and quick clamping mechanism is designed by clamping inner pipe, clamping outer pipe and clamping groove, so that pipeline can be quickly clamped when installing, the complexity and time of manual operation are reduced, and the close cooperation of clamping inner pipe and clamping outer pipe is ensured by the setting of clamping groove, the stability of connection is improved, and the pressure and vibration during pipeline conveying can be resisted, by the cooperation of extension frame, rotary frame and clamping plate, quick clamping mechanism can adjust the extension or exit of clamping inner pipe, ensure the accuracy of clamping, prevent pipeline connection loose, and the design of quick clamping mechanism makes pipeline can be quickly installed and disassembled, and is convenient for subsequent repair, maintenance and replacement.
[0018] The utility model sets up compression fixing mechanism, and compression fixing mechanism is combined by screw ring, thrust bearing, directional ring and pressure groove, enough pressure can be applied to extension frame, so that extension frame is fixed in place when pipeline is connected, prevent pipeline loose, and the stable positioning of extension frame in clamping outer pipe is ensured by the sliding cooperation of directional ring and the design of pressure groove, the displacement of pipeline during long distance conveying due to pressure change or external force is reduced, the sealing property of pipeline connection can be effectively improved by compression effect, the risk of oil and gas leakage is reduced, so as to ensure the safety and efficiency of crude oil transportation.
[0019] The utility model sets up stable rotation mechanism, and stable rotation mechanism is cooperated by bottom turntable, rotating block and centripetal block, so that rotary frame can rotate stably, avoid pipeline damage or installation difficulty caused by incoherent rotation, the rotation process can be manually or mechanically adjusted by the design of outer rotating lever and tightening spring, improve the flexibility of device, so that position can be accurately adjusted when installing, ensure the accuracy of pipeline butt joint, and the clamping design of the inner wall of centripetal block and the outer wall of rotating block can effectively avoid unnecessary friction, reduce wear and tear during rotation process, prolong the service life of device. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of the device in the unused state of this utility model;
[0021] Figure 2 This is a schematic diagram of the structure of this utility model;
[0022] Figure 3 This is a schematic diagram of the structure of this utility model;
[0023] Figure 4 This is a schematic diagram of the structure of this utility model;
[0024] Figure 5 This is a schematic diagram of the structure of this utility model.
[0025] In the diagram: 1. Snap-fit inner tube; 2. Snap-fit outer tube; 3. Snap-fit groove; 4. Extension frame; 5. Rotating frame; 6. Clamping plate; 7. Threaded ring; 8. Thrust bearing; 9. Orienting ring; 10. Pressure groove; 11. Bottom turntable; 12. Outer fixing plate; 13. Centripetal block; 14. Tensioning spring; 15. Rotating block; 16. Upper connecting plate; 17. Lower connecting plate; 18. Outer rotating rod; 19. Centripetal rail; 20. Sealing gasket; 21. Sealing groove. Detailed Implementation
[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.
[0028] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0029] Please see Figures 1-5The utility model provides a butt joint positioning device for crude oil long-distance pipeline installation, including quick clamping mechanism, compression fixed establishment and stable rotation mechanism, quick clamping mechanism includes clamping inner tube 1, clamping outer tube 2, clamping groove 3, extension frame 4, rotary frame 5 and clamping slope plate 6, clamping inner tube 1 can extend into the inside of clamping outer tube 2, clamping groove 3 is arranged on the outer wall of clamping inner tube 1, extension frame 4 is horizontally slidably arranged on the lateral wall of clamping outer tube 2, rotary frame 5 is limit rotation installation on the outer wall of clamping outer tube 2, clamping slope plate 6 is installed on the lateral wall of rotary frame 5, clamping slope plate 6 is slidably connected with one end of extension frame 4, and rotary clamping slope plate 6 makes extension frame 4 extend into or away from clamping groove 3, compression fixed establishment includes threaded ring 7, thrust bearing 8, directional ring 9 and pressure groove 10, threaded ring 7 is threadedly connected on the outer wall of clamping outer tube 2, directional ring 9 is slidably installed on the outer wall of clamping outer tube 2, and thrust bearing 8 is arranged between directional ring 9 and threaded ring 7, and pressure groove 10 is arranged at the bottom end of directional ring 9, and pressure groove 10 can press to the side of extension frame 4, so that extension frame 4 is fixed.
[0030] In the embodiment, clamping inner tube 1 can extend into the inside of clamping outer tube 2, and clamping groove 3 is arranged on the outer wall of clamping inner tube 1, the connection of clamping inner tube 1 and clamping outer tube 2 enables the pipeline to be quickly butt jointed, extension frame 4 is installed on the lateral wall of clamping outer tube 2 and can horizontally slide, clamping slope plate 6 is connected with extension frame 4 through rotary frame 5, when rotary frame 5 rotates, clamping slope plate 6 drives extension frame 4 to slide along the lateral wall of clamping outer tube 2, so that extension frame 4 can extend into or away from clamping groove 3, this action realizes the butt joint and positioning of the two ends of the pipeline, rotary clamping slope plate 6 makes extension frame 4 extend into clamping groove 3, clamping inner tube 1 is fixed in clamping outer tube 2 through mechanical force, so that the butt joint and fixing of the pipeline are completed, threaded ring 7 is rotated, directional ring 9 is slidably installed on the outer wall of clamping outer tube 2 through sliding fit, thrust bearing 8 is installed between directional ring 9 and threaded ring 7, threaded ring 7 makes directional ring 9 slide along the outer wall of clamping outer tube 2 through thrust bearing 8, pressure groove 10 can press to the side of extension frame 4, so that extension frame 4 is further fixed on clamping outer tube 2, at the same time, the mechanical force of downward pressure is transmitted to clamping inner tube 1 through extension frame 4, clamping inner tube 1 is pressed to sealing pad 20, so that clamping inner tube 1 is sealed with clamping outer tube 2, while ensuring the fixing after quick clamping, ensuring that the pipeline connection does not loosen.
[0031] The stable rotating mechanism comprises a bottom rotating disc 11, an outer fixed plate 12, a centripetal block 13, a tightening spring 14 and a rotating block 15. The bottom rotating disc 11 is arranged at the bottom of the rotating frame 5, the rotating block 15 is installed at the bottom end of the bottom rotating disc 11, the outer fixed plate 12 is fixedly installed on the outer wall of the clamping outer pipe 2, a plurality of groups of the centripetal block 13 are slidably arranged at the top end of the outer fixed plate 12, the tightening spring 14 is installed between adjacent centripetal blocks 13, the inner wall of the centripetal block 13 is in contact with the outer wall of the rotating block 15, and the rotating block 15 is rotatably arranged between adjacent centripetal blocks 13, so that the rotating frame 5 is stably rotated on the outer wall of the clamping outer pipe 2.
[0032] In the embodiment, the outer fixed plate 12 is fixedly installed on the outer wall of the clamping outer pipe 2, the top end is provided with a centripetal rail 19, the centripetal block 13 is installed at the top end of the outer fixed plate 12 and slidably arranged on the centripetal rail 19, the centripetal block 13 is in contact with and clamped to the rotating block 15, and the rotating block 15 is rotatably arranged between adjacent centripetal blocks 13, so that the rotating frame 5 is stably rotated on the outer wall of the clamping outer pipe 2, and the clamping outer pipe 2 is not damaged due to excessive friction or jamming. The rotating frame 5 can be stably rotated and kept in a stable rotating state on the outer wall of the clamping outer pipe 2, avoiding the asymmetry or instability of the pipeline during butt joint.
[0033] Please refer to Figures 1-5 , as a supplement to the quick clamping mechanism, the pressing and fixing mechanism and the stable rotating mechanism, the one end of the clamping inner pipe 1 is provided with an upper connecting plate 16, and the upper connecting plate 16 is connected with the outer pipeline; the one end of the clamping outer pipe 2 is provided with a lower connecting plate 17, and the lower connecting plate 17 is connected with the outer pipeline; the top end of the bottom rotating disc 11 is fixedly connected with the bottom end of the rotating frame 5, and the outer rotating rod 18 is installed on the side of the bottom rotating disc 11; the top end of the outer fixed plate 12 is provided with the centripetal rail 19, and the centripetal block 13 is slidably arranged on the centripetal rail 19; the inner wall of the clamping outer pipe 2 is provided with the sealing gasket 20, and the outer wall of the clamping inner pipe 1 can be pressed to the sealing gasket 20; the inner wall of the clamping outer pipe 2 is provided with the sealing groove 21, and the one end of the clamping inner pipe 1 is sealingly connected with the sealing groove 21.
[0034] More specifically, first, the clamping inner tube 1 is controlled by the extension frame 4 to extend into the clamping outer tube 2, when the clamping inner tube 1 is connected with the clamping outer tube 2, the clamping groove 3 is accurately connected by the rotating action of the clamping slope plate 6, after the connection is completed, the threaded ring 7 and the directional ring 9 ensure the stability of the position of the clamping outer tube 2, the thrust bearing 8 in the directional ring 9 and the pressing groove 10 make the extension frame 4 be fastened, so as to keep the fixation of the clamping outer tube 2, through the stable rotating mechanism, the rotating frame 5 can rotate smoothly on the outer wall of the clamping outer tube 2, the cooperation of the bottom rotating disc 11, the rotating block 15, the outer fixed plate 12 and the centripetal block 13 ensures that the rotating frame 5 will not produce deviation or uneven load in the rotating process, further ensures the stability and accuracy of the pipeline connection, finally, the inner wall of the clamping outer tube 2 is provided with a sealing gasket 20, the outer wall of the clamping inner tube 1 can be pressed to the sealing gasket 20, or one end of the clamping inner tube 1 cooperates with the sealing groove 21 of the clamping outer tube 2 to seal, which ensures the air tightness and sealing performance of the pipeline joint, and avoids the leakage of crude oil.
[0035] In summary, when the quick clamping mechanism needs to be operated, the clamping inner tube 1 can extend into the clamping outer tube 2, and the clamping groove 3 is arranged on the outer wall of the clamping inner tube 1, the connection of the clamping inner tube 1 and the clamping outer tube 2 enables the pipeline to be quickly connected, the extension frame 4 is installed on the side wall of the clamping outer tube 2 and can slide transversely. The clamping slope plate 6 is connected with the extension frame 4 through the rotating frame 5, when the rotating frame 5 rotates, the clamping slope plate 6 drives the extension frame 4 to slide along the side wall of the clamping outer tube 2, so that the extension frame 4 can extend into or away from the clamping groove 3. This action realizes the connection and positioning of the two ends of the pipeline, rotating the clamping slope plate 6 makes the extension frame 4 extend into the clamping groove 3, and the clamping inner tube 1 is firmly fixed in the clamping outer tube 2 through mechanical force, so as to complete the pipeline connection and fixation.
[0036] When the pressing fixation mechanism needs to be operated, the threaded ring 7 is operated to rotate, the directional ring 9 is slidably fitted on the outer wall of the clamping outer tube 2, the thrust bearing 8 is installed between the directional ring 9 and the threaded ring 7, the threaded ring 7 uses the thrust bearing 8 to make the directional ring 9 slide along the outer wall of the clamping outer tube 2, the pressing groove 10 can press the side of the extension frame 4, so that the extension frame 4 is further fixed on the clamping outer tube 2, at the same time, the mechanical force of the downward pressure is transmitted to the clamping inner tube 1 through the extension frame 4, the clamping inner tube 1 is pressed to the sealing gasket 20, so that the clamping inner tube 1 is sealed with the clamping outer tube 2, while ensuring the fixation after the quick clamping, ensuring that the pipeline connection will not be loose.
[0037] When the stable rotation mechanism needs to be operated, the outer fixing plate 12 is fixedly installed on the outer wall of the clamping outer pipe 2, the centripetal rail 19 is installed on the top end of the outer fixing plate 12, the centripetal block 13 is installed on the top end of the outer fixing plate 12 and slides on the centripetal rail 19, the centripetal block 13 is in contact with and clamped with the rotating block 15, the rotating block 15 rotates step by step between adjacent centripetal blocks 13, so that the stable rotation of the rotating frame 5 is realized, and the clamping outer pipe 2 is not damaged due to excessive friction or clamping. The rotating frame 5 can stably rotate and keep a stable rotating state on the outer wall of the clamping outer pipe 2, and the asymmetric or unstable situation during the pipe butt joint is avoided.
[0038] Firstly, the clamping inner pipe 1 is controlled to extend into the clamping outer pipe 2 through the extension frame 4, when the clamping inner pipe 1 is butt jointed with the clamping outer pipe 2, the clamping groove 3 is accurately butt jointed through the rotating action of the clamping slope plate 6, after the butt joint is completed, the threaded ring 7 and the directional ring 9 ensure the stability of the position of the clamping outer pipe 2, the thrust bearing 8 in the directional ring 9 and the pressing groove 10 make the extension frame 4 be fastened, so that the fixation of the clamping outer pipe 2 is kept, through the stable rotation mechanism, the rotating frame 5 can stably rotate on the outer wall of the clamping outer pipe 2, the cooperation of the bottom rotating disc 11, the rotating block 15, the outer fixing plate 12 and the centripetal block 13 ensures that the rotating frame 5 does not produce deviation or uneven load during rotation, further ensuring the stability and accuracy of the pipe connection, finally, the sealing gasket 20 is installed on the inner wall of the clamping outer pipe 2, the outer wall of the clamping inner pipe 1 can be pressed to the sealing gasket 20, or one end of the clamping inner pipe 1 is matched with the sealing groove 21 of the clamping outer pipe 2 to seal, so that the air tightness and sealing performance of the pipe joint are ensured, and the leakage of crude oil is avoided.
[0039] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the welding is preferred for the fixed connection mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A docking and positioning device for installing a long-distance crude oil pipeline, comprising a quick-clamping mechanism, a clamping and fixing mechanism, and a stabilizing rotation mechanism, characterized in that: The quick clamping mechanism comprises a clamping inner pipe (1), a clamping outer pipe (2), a clamping groove (3), an extension frame (4), a rotating frame (5) and a clamping slope plate (6), the clamping inner pipe (1) can extend into the interior of the clamping outer pipe (2), the clamping groove (3) is arranged on the outer wall of the clamping inner pipe (1), the extension frame (4) is horizontally and slidingly arranged on the side wall of the clamping outer pipe (2), the rotating frame (5) is limitingly and rotatably arranged on the outer wall of the clamping outer pipe (2), the clamping slope plate (6) is arranged on the side wall of the rotating frame (5), the clamping slope plate (6) is slidingly connected with one end of the extension frame (4), and rotating the clamping slope plate (6) can make the extension frame (4) extend into or move away from the clamping groove (3).
2. A butt positioning device for long distance crude oil pipeline installation according to claim 1, characterized in that: The stable rotating mechanism comprises a bottom rotating disc (11), an outer fixed plate (12), a centripetal block (13), a tightening spring (14) and a rotating block (15), the bottom rotating disc (11) is arranged at the bottom of the rotating frame (5), the rotating block (15) is arranged at the bottom end of the bottom rotating disc (11), the outer fixed plate (12) is fixedly arranged on the outer wall of the clamping outer pipe (2), a plurality of groups of the centripetal block (13) are slidingly arranged at the top end of the outer fixed plate (12), the tightening spring (14) is arranged between adjacent centripetal blocks (13), the inner wall of the centripetal block (13) is in contact with the outer wall of the rotating block (15) and is clamped, and the rotating block (15) is rotatably arranged between adjacent centripetal blocks (13), so that the rotating frame (5) is stably rotated on the outer wall of the clamping outer pipe (2).
3. A butt positioning device for long distance crude oil pipeline installation as claimed in claim 1, wherein: One end of the clamping inner pipe (1) is provided with an upper connecting plate (16), and the upper connecting plate (16) is connected with an external pipeline.
4. A butt positioning device for long distance crude oil pipeline installation as claimed in claim 1, wherein: One end of the clamping outer pipe (2) is provided with a lower connecting plate (17), and the lower connecting plate (17) is connected with an external pipeline.
5. A butt positioning device for long distance crude oil pipeline installation according to claim 2, characterized in that: The top end of the bottom rotating disc (11) is fixedly connected with the bottom end of the rotating frame (5), and an outer rotating rod (18) is arranged on the side of the bottom rotating disc (11).
6. A butt positioning device for long distance crude oil pipeline installation as claimed in claim 2, wherein: The top end of the outer fixed plate (12) is provided with a centripetal rail (19), and the centripetal block (13) is slidingly arranged on the centripetal rail (19).
7. A butt alignment device for long distance crude oil pipeline installation as claimed in claim 1, wherein: A sealing gasket (20) is arranged on the inner wall of the clamping outer pipe (2), and the outer wall of the clamping inner pipe (1) can press the sealing gasket (20).
8. A butt alignment device for long distance crude oil pipeline installation as claimed in claim 1, wherein: A sealing groove (21) is arranged on the inner wall of the clamping outer pipe (2), and one end of the clamping inner pipe (1) is sealingly connected with the sealing groove (21).