CN217355976U

CN217355976U - Anti-drop coupling for petroleum pipeline

Info

Publication number: CN217355976U
Application number: CN202123162764.5U
Authority: CN
Inventors: 王书德; 田景元
Original assignee: Cangzhou Xinxing Seamless Steel Pipe Co ltd
Current assignee: Cangzhou Xinxing Seamless Steel Pipe Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-09-02
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an anticreep coupling for petroleum pipeline, including first pipeline, the one end surface of first pipeline is provided with the second pipeline, be provided with ring flange coupling assembling between first pipeline and the second pipeline, ring flange coupling assembling and second pipeline fixed connection are passed through to the one end surface of first pipeline, the outer wall of first pipeline is provided with second hoop subassembly, the outer wall of second pipeline is provided with first hoop subassembly. An anticreep collar for petroleum pipeline, after first hoop subassembly and second hoop subassembly have been installed, the pulling draws the ball, inserts the anticreep pole and leads to the chamber, loosens and draws the ball, because expanding spring's reset action for spacing inserted bar resets and enters into spacing hole, makes to be connected through the anticreep pole between first hoop subassembly and the second hoop subassembly, avoids the pipeline to receive behind the pulling force ring flange coupling assembling's position to produce not hard up and drop.

Description

Anti-drop coupling for petroleum pipeline

Technical Field

The utility model relates to a petroleum pipeline technical field specifically is an anticreep coupling for petroleum pipeline.

Background

The connection mode between the oil pipes is generally that a tubing coupling is adopted for connection, the tubing coupling is provided with a tubular coupling body, connecting internal threads are arranged at two ends of the coupling body, and when the tubing coupling is used for connecting the oil pipes, the oil pipes with external threads are screwed into the connecting internal threads of the tubing coupling to complete connection and fixation.

In the prior art, a chinese patent document with an authorization publication number of CN201621293231.7 describes an anti-drop coupling for a petroleum pipeline, which uses a protrusion on a shield ring to cooperate with a latch on a snap ring to realize tight connection between a coupling body and the petroleum pipeline, wherein the snap ring is connected to the petroleum pipeline through a bearing, so that the snap ring can be conveniently adjusted to realize clamping connection with the shield ring.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides an anticreep coupling for petroleum pipeline possesses the connection between the two pipelines of being convenient for, and the difficult not hard up advantages such as of junction can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an anticreep collar for petroleum pipeline, includes first pipeline, the one end surface of first pipeline is provided with the second pipeline, be provided with ring flange coupling assembling between first pipeline and the second pipeline, ring flange coupling assembling and second pipeline fixed connection are passed through to the one end surface of first pipeline, the outer wall of first pipeline is provided with second hoop subassembly, the outer wall of second pipeline is provided with first hoop subassembly, one side surface of first hoop subassembly, second hoop subassembly all is provided with fixed subassembly, be provided with the anticreep pole between first hoop subassembly and the second hoop subassembly.

Preferably, the outer walls of the first pipeline and the second pipeline are welded with limit rings, the first hoop component and the second hoop component are identical in structure, and the second hoop component comprises a hoop, a locking bolt and a limit groove.

Preferably, the locking bolt is located one side surface of the hoop, the limiting groove is formed in the inner wall of the hoop, and the outer wall of the limiting ring is clamped with the hoop.

Preferably, spacing hole has been seted up at the upper and lower both ends of anticreep pole one side surface, fixed subassembly includes the fixed block, draws the ball, leads to chamber, spacing hole, stopper, activity chamber, slide opening, expanding spring and spacing inserted bar, just fixed block fixed mounting is in one side surface of first hoop subassembly, second hoop subassembly, lead to the middle part that the chamber was seted up in the fixed block, one side surface of fixed block is seted up in the slide opening, the middle part in slide opening is seted up in the activity chamber.

Preferably, the limiting block and the telescopic spring are both located inside the movable cavity, the limiting block is fixedly installed on the outer wall of the middle part of the limiting insertion rod, the telescopic spring is movably sleeved on the outer wall of the limiting insertion rod, the outer surface of one side of the limiting block is fixedly connected with the outer surface of one end of the telescopic spring, and the outer wall of the limiting insertion rod is in sliding connection with the sliding hole.

Preferably, draw ball fixed mounting in the one end surface of spacing inserted bar, be the joint between the one end outer wall of spacing inserted bar and the spacing hole, the outer wall of anticreep pole and lead to between the chamber be sliding connection.

(III) advantageous effects

Compared with the prior art, the utility model provides an anticreep coupling for petroleum pipeline possesses following beneficial effect:

1. this an anticreep coupling for petroleum pipeline, the ring flange coupling assembling of setting, first pipeline, ring flange coupling assembling has all been welded to the one end of second pipeline, with first pipeline and second pipeline fixed connection through ring flange coupling assembling, sealed effect is also good, in order to prevent that ring flange coupling assembling department is not hard up by the tension, the second hoop subassembly of setting, fixed subassembly and anticreep pole, at first pipeline all has welded the spacing ring with the outer wall of second pipeline, then with first hoop subassembly, second hoop subassembly cover is on the spacing ring, through screwing up locking bolt, it is fixed, prevent behind installation anticreep pole, the back takes place to the tension and slides.

2. This an anticreep coupling for petroleum pipeline, after first hoop subassembly and second hoop subassembly have been installed, install the anticreep pole again, at first the pulling ball, the pulling ball drives spacing inserted bar and slides in the slide opening, spacing inserted bar drives stopper extrusion expanding spring in the activity chamber, make the one end of spacing inserted bar enter into the slide opening, then insert the anticreep pole and lead to in the chamber, loosen the pulling ball, because expanding spring's reset action, make spacing inserted bar reset and enter into spacing hole, thereby it is fixed to accomplish the joint of anticreep pole, make and be connected through the anticreep pole between first hoop subassembly and the second hoop subassembly, after avoiding the pipeline to receive the pulling force, ring flange coupling assembling's position produces not hard up and drops, increase stability.

Drawings

Fig. 1 is the utility model relates to an overall structure schematic diagram of an anticreep collar for petroleum pipeline.

Fig. 2 is a schematic structural view of the stop collar of the utility model used in the anti-dropping coupling of the petroleum pipeline.

Fig. 3 is a schematic structural view of a hoop assembly in an anti-drop coupling for a petroleum pipeline according to the present invention.

Fig. 4 is an enlarged view of a place a in fig. 3 of an anti-run collar for a petroleum pipeline of the present invention.

Fig. 5 is a schematic structural view of the fixing component in the anti-dropping coupling for the petroleum pipeline of the present invention.

In the figure: 1. a first conduit; 2. a second conduit; 3. the flange plate connecting assembly; 4. a first hoop assembly; 5. a second hoop assembly; 6. a fixing component; 7. an anti-drop rod; 8. a limiting ring; 9. a hoop; 10. locking the bolt; 11. a limiting groove; 12. a fixed block; 13. pulling the ball; 14. a cavity is communicated; 15. a limiting hole; 16. a limiting block; 17. a movable cavity; 18. a slide hole; 19. a tension spring; 20. and a limiting inserted rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Detailed description of the preferred embodiment

The embodiment is an anti-drop coupling for a petroleum pipeline.

As shown in fig. 1-5, the pipeline joint structure comprises a first pipeline 1, a second pipeline 2 is arranged on the outer surface of one end of the first pipeline 1, a flange plate connecting assembly 3 is arranged between the first pipeline 1 and the second pipeline 2, the outer surface of one end of the first pipeline 1 is fixedly connected with the second pipeline 2 through the flange plate connecting assembly 3, a second hoop assembly 5 is arranged on the outer wall of the first pipeline 1, a first hoop assembly 4 is arranged on the outer wall of the second pipeline 2, fixing assemblies 6 are arranged on the outer surfaces of one sides of the first hoop assembly 4 and the second hoop assembly 5, and an anti-falling rod 7 is arranged between the first hoop assembly 4 and the second hoop assembly 5.

The outer walls of the first pipeline 1 and the second pipeline 2 are welded with limiting rings 8, the first hoop component 4 and the second hoop component 5 are identical in structure, and the second hoop component 5 comprises a hoop 9, a locking bolt 10 and a limiting groove 11; the locking bolt 10 is positioned on the outer surface of one side of the hoop 9, the limiting groove 11 is formed in the inner wall of the hoop 9, and the outer wall of the limiting ring 8 is clamped with the hoop 9; the upper end and the lower end of the outer surface of one side of the anti-falling rod 7 are provided with limiting holes 15, the fixing component 6 comprises a fixing block 12, a pull ball 13, a through cavity 14, the limiting holes 15, a limiting block 16, a movable cavity 17, a sliding hole 18, a telescopic spring 19 and a limiting insertion rod 20, the fixing block 12 is fixedly arranged on the outer surfaces of one sides of the first hoop component 4 and the second hoop component 5, the through cavity 14 is arranged in the middle of the fixing block 12, the sliding hole 18 is arranged on the outer surface of one side of the fixing block 12, and the movable cavity 17 is arranged in the middle of the sliding hole 18; the limiting block 16 and the telescopic spring 19 are both positioned inside the movable cavity 17, the limiting block 16 is fixedly arranged on the outer wall of the middle part of the limiting insertion rod 20, the telescopic spring 19 is movably sleeved on the outer wall of the limiting insertion rod 20, the outer surface of one side of the limiting block 16 is fixedly connected with the outer surface of one end of the telescopic spring 19, and the outer wall of the limiting insertion rod 20 is in sliding connection with the sliding hole 18; the pull ball 13 is fixedly arranged on the outer surface of one end of the limiting insert rod 20, the outer wall of one end of the limiting insert rod 20 is clamped with the limiting hole 15, and the outer wall of the anti-falling rod 7 is in sliding connection with the through cavity 14.

It should be noted that, the utility model relates to an anticreep collar for petroleum pipeline, the ring flange coupling assembling 3 that sets up, ring flange coupling assembling 3 has all been welded to the one end of first pipeline 1, second pipeline 2, first pipeline 1 and second pipeline 2 fixed connection through ring flange coupling assembling 3, sealed effect is also good, in order to prevent that ring flange coupling assembling 3 department from pulling the power not hard up, second hoop subassembly 5, fixed subassembly 6 and anticreep pole 7 that set up, at first the outer wall of first pipeline 1 and second pipeline 2 all welds spacing ring 8, then overlap first hoop subassembly 4, second hoop subassembly 5 on spacing ring 8, through screwing up locking bolt 10, fix it, prevent after installing anticreep pole 7, the back takes place to slide to the pulling force; after installing first hoop subassembly 4 and second hoop subassembly 5, install anticreep pole 7 again, at first the pulling draws ball 13, draw ball 13 to drive spacing inserted bar 20 and slide in slide opening 18, spacing inserted bar 20 drives stopper 16 extrusion expanding spring 19 in activity chamber 17, make the one end of spacing inserted bar 20 enter into slide opening 18, then insert anticreep pole 7 and lead to the chamber 14, loosen and draw ball 13, because expanding spring 19's reset action, make spacing inserted bar 20 reset and enter into spacing hole 15, thereby accomplish the joint of anticreep pole 7 and fix, make and be connected through anticreep pole 7 between first hoop subassembly 4 and the second hoop subassembly 5, after avoiding the pipeline to receive the pulling force, the position of ring flange coupling assembling 3 produces not hard up and drops, increase stability.

Detailed description of the invention

The embodiment is an embodiment of a fixing assembly 6 in an anti-drop coupling for an oil pipeline.

As shown in fig. 1, 3, 4 and 5, a fixing component 6 for an anti-drop coupling of a petroleum pipeline, the fixing component 6 comprises a fixing block 12, a pull ball 13, a through cavity 14, a limiting hole 15, a limiting block 16, a movable cavity 17, a sliding hole 18, a telescopic spring 19 and a limiting inserted rod 20, the fixing block 12 is fixedly arranged on the outer surfaces of one sides of a first hoop component 4 and a second hoop component 5, the through cavity 14 is arranged in the middle of the fixing block 12, the sliding hole 18 is arranged on the outer surface of one side of the fixing block 12, and the movable cavity 17 is arranged in the middle of the sliding hole 18; the limiting block 16 and the telescopic spring 19 are both positioned inside the movable cavity 17, the limiting block 16 is fixedly arranged on the outer wall of the middle part of the limiting insertion rod 20, the telescopic spring 19 is movably sleeved on the outer wall of the limiting insertion rod 20, the outer surface of one side of the limiting block 16 is fixedly connected with the outer surface of one end of the telescopic spring 19, and the outer wall of the limiting insertion rod 20 is in sliding connection with the sliding hole 18; the pull ball 13 is fixedly arranged on the outer surface of one end of the limiting insert rod 20, the outer wall of one end of the limiting insert rod 20 is clamped with the limiting hole 15, and the outer wall of the anti-falling rod 7 is in sliding connection with the through cavity 14.

It is noted that, herein, relational terms such as first and second (first, second, and the like) and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An anti-run coupling for a petroleum pipeline, comprising a first pipeline (1), characterized in that: the one end surface of first pipeline (1) is provided with second pipeline (2), be provided with ring flange coupling assembling (3) between first pipeline (1) and second pipeline (2), the one end surface of first pipeline (1) passes through ring flange coupling assembling (3) and second pipeline (2) fixed connection, the outer wall of first pipeline (1) is provided with second hoop subassembly (5), the outer wall of second pipeline (2) is provided with first hoop subassembly (4), one side surface of first hoop subassembly (4), second hoop subassembly (5) all is provided with fixed subassembly (6), be provided with anticreep pole (7) between first hoop subassembly (4) and second hoop subassembly (5).

2. The anti-run collar for a petroleum pipeline of claim 1, wherein: the outer wall of first pipeline (1), second pipeline (2) all welds spacing ring (8), first hoop subassembly (4) is the same with the structure of second hoop subassembly (5), just second hoop subassembly (5) are including hoop (9), locking bolt (10) and spacing groove (11).

3. The anti-run collar for a petroleum pipeline of claim 2, wherein: the locking bolt (10) is located the one side surface of ferrule (9), the inner wall of ferrule (9) is seted up in spacing groove (11), be the joint between the outer wall of spacing ring (8) and ferrule (9).

4. The anti-run collar for a petroleum pipeline of claim 1, wherein: spacing hole (15) have been seted up at the upper and lower both ends of anticreep pole (7) one side surface, fixed subassembly (6) include fixed block (12), draw ball (13), lead to chamber (14), spacing hole (15), stopper (16), activity chamber (17), slide opening (18), expanding spring (19) and spacing inserted bar (20), just fixed block (12) fixed mounting is in one side surface of first hoop subassembly (4), second hoop subassembly (5), lead to the middle part that chamber (14) were seted up in fixed block (12), one side surface of fixed block (12) is seted up in slide opening (18), the middle part in slide opening (18) is seted up in activity chamber (17).

5. The anti-run collar for a petroleum pipeline according to claim 4, wherein: stopper (16), expanding spring (19) all are located the inside in activity chamber (17), stopper (16) fixed mounting is in the outer wall at spacing inserted bar (20) middle part, expanding spring (19) activity is cup jointed in the outer wall of spacing inserted bar (20), just one side surface of stopper (16) is connected with the one end fixed surface of expanding spring (19), be sliding connection between the outer wall of spacing inserted bar (20) and slide opening (18).

6. The anti-run collar for a petroleum pipeline according to claim 4, wherein: draw ball (13) fixed mounting in the one end surface of spacing inserted bar (20), be the joint between the one end outer wall of spacing inserted bar (20) and spacing hole (15), be sliding connection between the outer wall of anticreep pole (7) and logical chamber (14).