Positive pressure pipeline sleeve leak stoppage fixing device

Abstract

The utility model discloses a kind of positive pressure pipeline clamp sleeve leak-stopping fixing devices, including first half annular pressing plate and second half annular pressing plate, connecting column is equipped on first half annular pressing plate, plug-in screw rod and telescopic spring are inserted in connecting column, the one end of screw rod inserted into the inner diameter of first half annular pressing plate is connected arc pressing plate, glue injection hole is arranged on the outer diameter surface of second half annular pressing plate, inwardly protruding half-arc protruding strip is set in the inner diameter middle part of second half annular pressing plate, glue injection small hole, which is communicated with several groups of glue injection hole, is set in the inner side surface of half-arc protruding strip.The utility model utilizes the arc pressing plate connected in the inner side of first half annular pressing plate to compress the pipeline clamp sleeve, glue injection hole is simultaneously arranged on second half annular pressing plate, and glue injection is carried out to leakage point, so that glue filling amount is less, and sealing performance is good.Half-arc protruding strip is set in the inner diameter middle part of second half annular pressing plate, so that the gap between fixing device and pipeline clamp sleeve can be compensated, and the phenomenon that glue leakage leads to leak-stopping failure due to too large glue injection time gap can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline leak stoppage technical field, especially in positive pressure pipeline sleeve leak stoppage fixing device. BACKGROUND

[0002] The downhole pipeline serves for a long time, and leakage and liquid leakage occur at the sleeve of part of the pipeline, the sleeve is difficult to replace, and the existing sleeve leak stoppage method mainly wraps the sleeve leakage point with a wind cylinder cloth and then tightens it with a wire, the method cannot guarantee that the joint is tight, fluid still leaks from the side of the wind cylinder cloth in most cases, and the method cannot fundamentally play a leak stoppage effect. SUMMARY

[0003] To solve the technical problems in the background art, the utility model provides a positive pressure pipeline sleeve leak stoppage fixing device.

[0004] The utility model discloses the following technical scheme: a positive pressure pipeline sleeve leak stoppage fixing device, including first half ring shape pressing plate and second half ring shape pressing plate, the first half ring shape pressing plate and second half ring shape pressing plate splicing form annular clamp body, be equipped with connecting hole on the first half ring shape pressing plate, the connecting hole is matched and is inserted into the screw rod and telescopic spring, the one end of screw rod is connected arc pressing plate and is inserted into the first half ring shape pressing plate inner diameter, the outer diameter surface of second half ring shape pressing plate evenly arranges several groups of glue injection hole, every group glue injection hole outside is connected with sealing bolt, the inner diameter middle part of second half ring shape pressing plate sets up the half arc convex strip that protrudes to the inside, the inner side of half arc convex strip sets up the glue injection small hole that communicates with several groups glue injection hole.

[0005] Further, the arc-shaped pressing plate is provided with a sealing rubber pad close to one side of the pipeline.

[0006] Further, the first half ring shape pressing plate and second half ring shape pressing plate are both provided with connecting ear plates at both ends, and are threadedly connected by fastening bolts.

[0007] Compared with the prior art, the utility model has the advantages that:

[0008] The positive pressure pipeline sleeve leak stoppage fixing device designed in the utility model utilizes the arc-shaped pressing plate connected to the inner side of the first half ring shape pressing plate to press the pipeline sleeve, and simultaneously sets several groups of glue injection holes on the second half ring shape pressing plate to seal the leakage points by glue injection, so that the filling amount of the leak stoppage glue is small, and the sealing performance is good. Meanwhile, the half arc convex strip protruding from the inner diameter middle part of the second half ring shape pressing plate can compensate the gap between the fixing device and the pipeline sleeve, avoid the phenomenon that the glue injection gap is too large to cause leak stoppage failure, realize fast leak stoppage, and effectively improve the success rate of pipeline sleeve leak stoppage. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1The utility model discloses a whole structure schematic diagram of positive pressure pipeline clamping sleeve leakage stoppage fixing device.

[0010] Among them:

[0011] 1-first half ring pressing plate, 2-second half ring pressing plate, 3-connecting lug plate, 4-fastening bolt,

[0012] 11-connecting column, 12-screw rod, 13-arc pressing plate,

[0013] 21-glue injection hole, 22-sealing bolt, 23-semi-arc convex strip, 24-glue injection small hole. Specific implementation

[0014] Below, for the convenience of the person skilled in the art understanding the utility model technical scheme, now refer to the further explanation of attached drawing.It should be understood that these descriptions are only exemplary, and not to limit the scope of the utility model.

[0015] In the following detailed description, for the convenience of explanation, a number of specific details are set forth to provide a comprehensive understanding of the embodiments of the utility model.However, obviously, one or more embodiments can also be implemented without these specific details.

[0016] Please refer to Figure 1 The utility model relates to positive pressure pipeline clamping sleeve leakage stoppage fixing device, including first half ring pressing plate 1 and second half ring pressing plate 2, first half ring pressing plate 1 and second half ring pressing plate 2 splice and form annular clamp body, when specific implementation, both ends of first half ring pressing plate 1 and second half ring pressing plate 2 are equipped with connecting lug plate 3, and they are connected through fastening bolt 4 by screw thread between two.The connecting column 11 is equipped on the first half ring pressing plate 1, and the screw rod 12 and the extension spring are matched and inserted in the connecting column 11, the screw rod 12 extends into the inner diameter of the first half ring pressing plate 1 and connects the arc pressing plate 13 on one end, and the arc pressing plate 13 is moved to the pipeline clamping sleeve place by the screw rod rotation, so as to compress the pipeline clamping sleeve, and when specific implementation, the arc pressing plate 13 is equipped with sealing rubber pad on the side close to the pipeline, so as to better close to the clamping sleeve.The outer diameter surface of the second half ring pressing plate 2 is evenly arranged with several groups of glue injection hole 21, and the outer side of each glue injection hole 21 is connected with sealing bolt 22 by screw thread, and the sealing bolt 22 can press the leakage stoppage glue in the glue injection hole 21 to the leakage stoppage place when sealing, so that the leakage stoppage glue is filled tightly.The inner diameter middle part of the second half ring pressing plate 2 is provided with the semi-arc convex strip 23 that protrudes inward, which can compensate the gap between the fixing device and the pipeline clamping sleeve.The inner side of the semi-arc convex strip 23 is provided with the glue injection small hole 24 that is connected with several groups of glue injection hole 21, and the glue injection small hole 24 is located on the same axis with the glue injection hole 21, and when injecting glue, it is ensured that the leakage point is aligned.

[0017] In summary, the positive pressure pipeline clamp sleeve leak stoppage fixing device designed by the utility model, utilizes the arc-shaped pressing plate connected to the inner side of the first half-ring-shaped pressing plate to press the pipeline clamp sleeve, and meanwhile, a plurality of groups of glue injection holes are arranged on the second half-ring-shaped pressing plate to inject glue to seal the leakage point, the glue filling amount is small, and the sealing performance is good. Meanwhile, the half-arc-shaped convex strip protruding from the inner diameter middle part of the second half-ring-shaped pressing plate can compensate the gap between the fixing device and the pipeline clamp sleeve, avoid the phenomenon that the glue injection time gap is too large to cause glue leakage and lead to leak stoppage failure, realize fast leak stoppage, and effectively improve the pipeline clamp sleeve leak stoppage success rate.

[0018] The above embodiments only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various modifications and improvements to the technical solutions of the utility model made by those skilled in the art shall fall within the protection scope determined by the utility model claim book.

Claims

1. A positive pressure pipe sleeve leak stoppage fixing device, characterized in that, The utility model relates to a ring clamp, which comprises a first half-ring pressing plate (1) and a second half-ring pressing plate (2), the first half-ring pressing plate (1) and the second half-ring pressing plate (2) are spliced to form a ring clamp body, a connecting column (11) is arranged on the first half-ring pressing plate (1), a screw rod (12) and an extension spring are matched and inserted into the connecting column (11), one end of the screw rod (12) extending into the inner diameter of the first half-ring pressing plate (1) is connected with an arc-shaped pressing plate (13), a plurality of groups of glue injection holes (21) are uniformly arranged on the outer diameter surface of the second half-ring pressing plate (2), a sealing bolt (22) is threadedly connected to the outer side of each group of glue injection holes (21), a semicircular convex strip (23) protruding inward is arranged in the middle of the inner diameter of the second half-ring pressing plate (2), and a glue injection small hole (24) in communication with the plurality of groups of glue injection holes (21) is arranged on the inner side surface of the semicircular convex strip (23).

2. A positive pressure pipe sleeve plugging fixing device according to claim 1, characterized in that, The arc-shaped pressing plate (13) is provided with a sealing rubber pad close to the side of the pipeline.

3. A positive pressure pipe sleeve plugging fixing device according to claim 2, characterized in that, The first half-ring pressing plate (1) and the second half-ring pressing plate (2) are provided with connecting ear plates (3) at both ends, and the two are threadedly connected through fastening bolts (4).

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