Petroleum pipeline crack plugging device

Abstract

The utility model discloses a petroleum pipeline crack plugging device which comprises a fixing pipe, a through groove, a plugging plate, a first pressing mechanism and a second pressing mechanism. The through groove is formed in the front end of the fixing pipe, the blocking plate capable of blocking and repairing the pipeline crack is arranged in the through groove, and the first pressing mechanism and the second pressing mechanism are arranged at the upper end, the lower end and the middle end of the through groove respectively, so that pressing on the blocking plate can be achieved under mutual cooperation, and the blocking plate is tightly attached to the petroleum pipeline crack; the crack can be effectively blocked and repaired, the filling groove, the filling block and other assemblies are arranged in the blocking plate, the blocking area of the blocking plate can be adjusted according to the size of the crack under mutual cooperation, waste is avoided, and the crack blocking device is easy to use, high in flexibility and high in practicability.

Description

Technical Field

[0001] The utility model relates to the relevant field of petroleum equipment technology, in particular to a petroleum pipeline crack plugging device. Background Art

[0002] The oil pipeline is composed of oil pipes and their accessories, and is equipped with corresponding oil pump units according to the needs of the process flow. It is designed and installed into a complete pipeline system to complete the tasks of oil loading, unloading and transportation.

[0003] When an oil pipeline is in use, it may crack due to external factors or factors such as the air pressure inside the pipeline, which may cause oil leakage in the pipeline and result in oil loss.

[0004] When repairing a crack in an oil pipeline, the pipeline must first be dismantled and cleaned before repairing. This is relatively cumbersome, time-consuming and labor-intensive, and may affect the transportation efficiency of oil, and has certain limitations. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a petroleum pipeline crack plugging device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a petroleum pipeline crack plugger, including a fixed tube that can be sleeved on the outside of the petroleum pipeline, the upper and lower ends of the fixed tube are provided with two groups of fixing bolts fixedly connected to the petroleum pipeline, and also include a through groove arranged at the front middle end of the fixed tube, the through groove is provided with a sealing plate that can seal the crack, the upper and lower ends of the through groove are provided with a group of pressing mechanisms 1 for pressing the sealing plate, and the middle end of the outer side of the through groove is provided with a pressing mechanism 2 for pressing the sealing plate.

[0007] Preferably, the blocking plate is arc-shaped, and a filling groove is provided on the back side thereof, and a plurality of groups of filling blocks are provided in the filling groove.

[0008] Preferably, the pressing mechanism comprises a rotating plate, a rotating shaft, a threaded rod and a pressing piece. A group of rotating plates are provided at the upper and lower ends of the fixed tube. The rear ends of the rotating plates are connected to the fixed tube through a group of rotating shafts, and the front ends are connected to a group of pressing pieces through a threaded rod.

[0009] Preferably, the pressing mechanism 2 includes a fixed plate, a flip plate, a threaded rod 2, a pressing piece 2, a threaded rod 3 and a fixed seat, a group of fixed plates is provided at the front left end of the fixed tube, a group of flip plates is hinged at the front end of the fixed plate, a group of pressing pieces 2 is connected to the front middle end of the flip plate through the threaded rod 2, a group of threaded rod 3 is provided at the right end of the threaded rod 2, and a group of fixed seats is provided at the position of the threaded rod 3 at the front right end of the fixed tube.

[0010] Preferably, a threaded hole corresponding to the threaded rod three is provided at the front middle end of the fixing seat.

[0011] Preferably, the sides of the pressing member 1 and the pressing member 2 close to the blocking plate are both arc-shaped.

[0012] Preferably, the filling slot and the filling block are tightly matched, and the filling block is detachable.

[0013] Beneficial effects of the utility model:

[0014] The utility model has a through groove arranged at the front end of a fixed pipe, and a sealing plate for sealing and repairing a crack in the pipeline is arranged in the through groove. A pressing mechanism 1 and a pressing mechanism 2 are respectively arranged at the upper and lower ends and the middle end of the through groove, which can press the sealing plate to fit tightly to the crack in the oil pipeline under cooperation with each other, so as to effectively seal and repair the crack. Moreover, components such as a filling groove and a filling block are arranged in the sealing plate, which can adjust the sealing area of ​​the sealing plate according to the size of the crack under cooperation with each other, so as to avoid waste. The utility model is simple to use, has strong flexibility and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the plugging plate of the utility model;

[0018] Figure 4 It is a right side structural schematic diagram of the pressing mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the top view of the pressing mechanism of the utility model;

[0020] Figure 6 It is a right side structural schematic diagram of the second pressing member of the utility model.

[0021] Among them: fixing tube -1, fixing bolt -11, through groove -2, sealing plate -3, pressing mechanism 1 -4, pressing mechanism 2 -5, filling groove -31, filling block -32, rotating plate -41, rotating shaft -42, threaded rod 1 -43, pressing piece 1 -44, fixing plate -51, flip plate -52, threaded rod 2 -53, pressing piece 2 -54, threaded rod 3 -55, fixing seat -56. DETAILED DESCRIPTION

[0022] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0023] See also Figure 1-2The utility model provides a crack plugging device for an oil pipeline, comprising a fixed pipe 1 which can be sleeved on the outside of the oil pipeline, wherein the upper and lower ends of the fixed pipe 1 are both provided with two groups of fixing bolts 11 which are fixedly connected with the oil pipeline, and the fixed pipe 1 can be fixed to the outside of the oil pipeline by rotating the fixing bolts 11, and further comprising a through groove 2 arranged at the front middle end of the fixed pipe 1, wherein the through groove 2 can expose the crack of the oil pipeline, and a sealing plate 3 which can seal the crack is arranged in the through groove 2, wherein the upper and lower ends of the through groove 2 are both provided with a group of pressing mechanisms 1 4 for pressing the sealing plate 3, and a pressing mechanism 2 5 for pressing the sealing plate 3 is arranged at the middle end of the outer side of the through groove 2.

[0024] See also Figure 3 The utility model provides a crack plugger for a petroleum pipeline. The plugging plate 3 is arc-shaped, and a filling groove 31 is provided on the back thereof. The filling groove 31 can be filled with a polymer to facilitate the plugging and repair of the crack. A plurality of groups of filling blocks 32 are provided at the upper and lower ends of the filling groove 31. The filling groove 31 and the filling blocks 32 are tightly matched. The filling blocks 32 are detachable, and the size of the filling groove 31 can be adjusted according to the size of the crack.

[0025] See also Figure 4 The utility model provides a petroleum pipeline crack plugger, a pressing mechanism 4 includes a rotating plate 41, a rotating shaft 42, a threaded rod 43 and a pressing piece 44. A set of rotating plates 41 are provided at the upper and lower ends of a fixed tube 1. The rear ends of the rotating plates 41 are connected to the fixed tube 1 through a set of rotating shafts 42. The rotating plates 41 can rotate around the rotating shafts 42. The front ends of the rotating plates 41 are connected to a set of pressing pieces 44 through threaded rods 43. The pressing pieces 44 are rotatably connected to the bottom ends of the threaded rods 43, and the pressing pieces 44 can be driven downward by rotating the threaded rods 43. The side of the pressing pieces 44 close to the plugging plate 3 is set to an arc shape corresponding to the plugging plate 3, which is conducive to fitting to the outer side of the plugging plate 3 and pressing it.

[0026] See also Figure 4-5The utility model provides a crack plugging device for oil pipelines. The pressing mechanism 5 includes a fixed plate 51, a flip plate 52, a threaded rod 53, a pressing piece 54, a threaded rod 55 and a fixed seat 56. A group of fixed plates 51 are provided at the front left end of the fixed pipe 1. A group of flip plates 52 are hinged at the front end of the fixed plate 51. The flip plates 52 can rotate around the hinge. A group of pressing pieces 54 are connected to the front middle end of the flip plate 52 through the threaded rod 53. The front end of the pressing piece 54 is rotatably connected to the rear end of the threaded rod 53. The back of the pressing piece 54 They are all set to correspond to the arc shape of the blocking plate 3, which is conducive to fitting to the outside of the blocking plate 3 and pressing it. A group of threaded rods 3 55 is provided at the right end of the threaded rod 2 53, and a group of fixing seats 56 are provided at the position corresponding to the threaded rod 3 55 at the front right end of the fixed tube 1, wherein a threaded hole corresponding to the threaded rod 3 55 is provided at the front middle end of the fixing seat 56, and the threaded rod 3 55 can be extended into the threaded hole by rotation to realize the connection between the flip plate 52 and the fixing seat 56, and when the flip plate 52 is fitted to the front end of the fixing seat 56, the front end surface of the flip plate 52 is parallel to the front end of the fixed tube 1.

[0027] Here’s how it works:

[0028] The utility model is placed in a suitable position for use. When in use, the fixing tube 1 is sleeved on the outside of the oil pipeline, and then the fixing bolt 11 is rotated to fix the fixing tube 1 on the outside of the oil pipeline, and the crack is located in the through groove 2. Then, the size of the filling groove 31 can be adjusted by the filling block 32 according to the size of the crack, and the polymer is filled into the adjusted filling groove 31. Then, the flip plate 52 is turned over and expanded outward, and the blocking plate 3 is placed in the through groove 2 to block the crack with the polymer. Then, the flip plate 52 is reset and connected to the fixing seat 56 through the threaded rod three 55. Then, the threaded rod two 53 and the two groups of threaded rods one 43 are rotated respectively. The threaded rod two 53 can drive the pressing piece two 54 to press on the front middle end of the blocking plate 3, and the upper and lower groups of threaded rods one 43 can drive the pressing piece one 44 to press on the upper and lower ends of the blocking plate 3 to fix the blocking plate 3.

[0029] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A petroleum pipeline crack plugging device, comprising a fixed tube (1) that can be sleeved on the outside of the petroleum pipeline, wherein the upper and lower ends of the fixed tube (1) are both provided with two sets of fixing bolts (11) fixedly connected to the petroleum pipeline; Features: It also comprises a through groove (2) arranged at the front middle end of the fixed pipe (1), a sealing plate (3) capable of sealing the crack is arranged in the through groove (2), a group of pressing mechanisms (4) for pressing the sealing plate (3) are arranged at the upper and lower ends of the through groove (2), and a pressing mechanism (5) for pressing the sealing plate (3) is arranged at the outer middle end of the through groove (2).

2. The oil pipeline crack plugging device according to claim 1, characterized in that: The blocking plate (3) is arc-shaped, and a filling groove (31) is provided on the back thereof. A plurality of groups of filling blocks (32) are provided in the filling groove (31).

3. The oil pipeline crack plugging device according to claim 1, characterized in that: The pressing mechanism (4) comprises a rotating plate (41), a rotating shaft (42), a threaded rod (43) and a pressing member (44). The upper and lower ends of the fixed tube (1) are both provided with a set of rotating plates (41). The rear ends of the rotating plates (41) are connected to the fixed tube (1) via a set of rotating shafts (42), and the front ends are connected to a set of pressing members (44) via a threaded rod (43).

4. The oil pipeline crack plugging device according to claim 3, characterized in that: The pressing mechanism 2 (5) comprises a fixing plate (51), a flip plate (52), a threaded rod 2 (53), a pressing piece 2 (54), a threaded rod 3 (55) and a fixing seat (56); a fixing plate (51) is provided at the front left end of the fixing tube (1); a flip plate (52) is hingedly connected to the front end of the fixing plate (51); a pressing piece 2 (54) is connected to the front middle end of the flip plate (52) via the threaded rod 2 (53); a threaded rod 3 (55) is provided at the right end of the threaded rod 2 (53); and a fixing seat (56) is provided at the front right end of the fixing tube (1) at a position corresponding to the threaded rod 3 (55).

5. The oil pipeline crack plugging device according to claim 4, characterized in that: The front middle end of the fixing seat (56) is provided with a threaded hole corresponding to the threaded rod three (55).

6. The oil pipeline crack plugging device according to claim 4, characterized in that: The pressing member 1 (44) and the pressing member 2 (54) are both designed to be arc-shaped on one side close to the sealing plate (3).

7. The oil pipeline crack plugging device according to claim 2, characterized in that: The filling groove (31) and the filling block (32) are tightly matched, and the filling block (32) is detachable.

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