Protective device for gas pipeline emergency repair

Abstract

The utility model relates to a protective device for emergency repair of a gas pipeline, which comprises an upper protective cover mounted at the top of the gas pipeline, a leakage position is found on the surface of the gas pipeline, the upper protective cover is positioned at the leakage position to cover the leakage position, and a lower protective cover and the upper protective cover are fixed through a mounting mechanism, the mounting bolt penetrates through the inner hole part of the upper mounting side plate and the inner hole part of the lower mounting side plate and is in threaded mounting with the mounting nut, the upper protective cover and the lower protective cover are fixed to the gas leakage position of the gas pipeline, a sealing frame is mounted on the inner wall of the upper mounting pipeline and is made of rubber, and the bottom of the sealing frame is attached to the surface of the gas pipeline. When the mounting mechanism is in a fastening state, the upper protective cover tightly presses the sealing frame on the gas pipeline to achieve a primary sealing effect, a sealing glue solution is injected into the arc-shaped groove through the feeding pipe, the bottom of the arc-shaped groove is attached to the surface of the gas pipeline to form a cavity, the sealing glue solution is injected into the cavity in the arc-shaped groove, and a secondary sealing effect is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipeline emergency repair equipment, in particular to a protective device for emergency repair of gas pipelines. Background Art

[0002] Gas engineering refers not only to natural gas engineering, but also includes liquefied petroleum gas, coal-to-gas and heavy oil cracking gas. We use more natural gas now, so the gas engineering generally referred to now is also natural gas engineering. The scope of gas engineering is relatively large infrastructure projects. In the existing technology, the leakage of gas pipelines is repaired by a single two sealing plates, and the sealing effect is poor and lacks multiple sealing effects.

[0003] For example, the authorized patent document with application number 202320128918.9 discloses a gas pipeline emergency repair protection device, which includes a sleeve and a sealing plate arranged at the end of the sleeve. The sleeve is sleeved on the outer wall of the gas pipeline, and the inner diameter of the sleeve is larger than the outer diameter of the gas pipeline. The diameter of the middle circular hole of the sealing plate is adapted to the outer diameter of the gas pipeline, so that the middle circular hole of the sealing plate is in close contact with the outer wall of the gas pipeline; wherein, the sleeve includes a first semi-cylinder and a second semi-cylinder, the first semi-cylinder and the second semi-cylinder are both semi-cylinder-shaped, and the first semi-cylinder and the second semi-cylinder are joined to form a sleeve, and the first semi-cylinder and the second semi-cylinder are detachably connected; the sealing plate includes a first sealing plate and a second sealing plate, the first sealing plate and the second sealing plate are both semi-annular plates, and the first sealing plate and the second sealing plate are respectively provided at both ends of the first semi-cylinder and the second semi-cylinder.

[0004] The above patent only uses two sealing plates to repair the gas pipeline leakage, but its sealing effect is poor and lacks multiple sealing effects. Therefore, we need to provide a protective device for emergency repair of gas pipelines. Utility Model Content

[0005] The purpose of the utility model is to provide a protective device for emergency repair of gas pipelines. A leak is found on the surface of the gas pipeline, an upper protective cover is positioned to cover the leak, and a lower protective cover and an upper protective cover are fixed by an installation mechanism. A sealing filling mechanism is used to fill the upper protective cover with sealing glue, so that the connection between the upper protective cover and the gas pipeline is more sealed, thereby solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a protective device for emergency repair of gas pipelines, comprising:

[0007] An upper protective cover installed on top of the gas pipeline;

[0008] A lower protective cover is provided at the bottom of the upper protective cover, and the upper protective cover and the lower protective cover are provided on the gas pipeline;

[0009] A sealing filling mechanism is provided in the upper protective cover for sealing and protecting the gas pipeline sealing portion.

[0010] Preferably, upper mounting side panels are integrally processed on both sides of the upper protective cover, lower mounting side panels are integrally processed on both sides of the lower protective cover, and mounting mechanisms are provided on both sides of the upper protective cover for connecting the upper mounting side panels with the lower mounting side panels.

[0011] Preferably, the mounting mechanism includes mounting bolts and mounting nuts, and three holes are provided on the surfaces of the two upper mounting side plates and the two lower mounting side plates. Mounting bolts are movably sleeved in the three holes in the upper mounting side plates, and the lower ends of the three mounting bolts pass through the holes on the surfaces of the lower mounting side plates and are threadedly mounted with mounting nuts, and the tops of the three mounting nuts are in contact with the bottoms of the lower mounting side plates.

[0012] Preferably, two alignment blocks are integrally processed on the bottom of the mounting bolt, and an alignment groove adapted to the alignment blocks is opened on the top of the upper mounting side plate.

[0013] Preferably, the surfaces of the two upper mounting side plates and the two lower mounting side plates are integrally machined with supporting angle seats.

[0014] Preferably, the sealing filling mechanism includes two arc-shaped grooves opened on the inner wall of the upper protective cover, the tops of the two arc-shaped grooves are connected to the delivery pipes, the two delivery pipes are embedded in the top of the upper protective cover, and the surfaces of the two delivery pipes are threadedly installed with sealing caps.

[0015] Preferably, the surfaces of the two sealing caps are integrally processed with convex stripes.

[0016] Preferably, sealing frames are fixedly mounted on the inner walls of the upper protective cover and the lower protective cover, and adjacent sides of the two sealing frames are both in contact with the surface of the gas pipeline.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model finds the leakage point on the surface of the gas pipeline, places the upper protective cover on the leakage point to cover it, fixes the lower protective cover and the upper protective cover through an installation mechanism, and uses a sealing filling mechanism to fill the upper protective cover with sealing glue, so that the connection between the upper protective cover and the gas pipeline is more tightly sealed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a three-dimensional diagram of the installation mechanism of the utility model;

[0021] Figure 3 This is a three-dimensional diagram of the upper protective cover of the present utility model;

[0022] Figure 4 It is a three-dimensional diagram of the local structure of the utility model.

[0023] In the figure: 1. Upper protective cover; 2. Lower protective cover; 3. Sealing filling mechanism; 31. Arc groove; 32. Delivery tube; 33. Sealing cap; 4. Upper mounting side panel; 5. Lower mounting side panel; 6. Mounting mechanism; 61. Mounting bolt; 62. Mounting nut; 7. Alignment block; 8. Alignment groove; 9. Support angle seat; 10. Raised stripe portion; 11. Sealing frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-4 The utility model provides a protective device for emergency repair of gas pipelines, comprising: an upper protective cover 1 installed on the top of the gas pipeline; a lower protective cover 2 is provided at the bottom of the upper protective cover 1, and the upper protective cover 1 and the lower protective cover 2 are arranged on the gas pipeline; a sealing filling mechanism 3 for sealing and protecting the sealing part of the gas pipeline is provided in the upper protective cover 1.

[0026] Find the leak on the surface of the gas pipeline, place the upper protective cover 1 on the leak to cover it, and fix the lower protective cover 2 and the upper protective cover 1 through the installation mechanism 6. Use the sealing filling mechanism 3 to fill the upper protective cover 1 with sealing glue to make the connection between the upper protective cover 1 and the gas pipeline more sealed.

[0027] Both sides of the upper protective cover 1 are integrally processed with upper mounting side panels 4, and both sides of the lower protective cover 2 are integrally processed with lower mounting side panels 5. Both sides of the upper protective cover 1 are provided with mounting mechanisms 6, which are used to connect the upper mounting side panels 4 and the lower mounting side panels 5.

[0028] In this embodiment, a leak is found on the surface of the gas pipeline, the upper protective cover 1 is positioned at the leak to cover it, and the lower protective cover 2 is fixed to the upper protective cover 1 through the mounting mechanism 6, wherein the mounting bolts 61 pass through the inner hole portion of the upper mounting side plate 4 and the inner hole portion of the lower mounting side plate 5, and are threadedly mounted with the mounting nuts 62, and the upper protective cover 1 and the lower protective cover 2 are fixed to the leaking portion of the gas pipeline, wherein a sealing frame 11 is installed on the inner wall of the upper mounting pipeline, and the sealing frame 11 is made of rubber, and the bottom of the sealing frame 11 fits with the surface of the gas pipeline. When the mounting mechanism 6 is tightened, the upper protective cover 1 presses the sealing frame 11 tightly against the gas pipeline, achieving a preliminary sealing effect, and at the same time, the sealing glue is injected into the arc groove 31 through the delivery pipe 32, wherein the bottom of the arc groove 31 fits with the surface of the gas pipeline to form a chamber, and the sealing glue is injected into the inner chamber of the arc groove 31 to provide a secondary sealing effect.

[0029] The mounting mechanism 6 includes mounting bolts 61 and mounting nuts 62. Three holes are formed on the surfaces of the two upper mounting side plates 4 and the two lower mounting side plates 5. The three holes in the upper mounting side plates 4 are movably sleeved with mounting bolts 61. The lower ends of the three mounting bolts 61 pass through the holes on the surfaces of the lower mounting side plates 5 and are threadedly mounted with mounting nuts 62. The tops of the three mounting nuts 62 are all in contact with the bottoms of the lower mounting side plates 5.

[0030] It is worth noting that the mounting bolts 61 pass through the inner holes of the upper mounting side plate 4 and the lower mounting side plate 5 and are threadedly mounted with the mounting nuts 62 to fix the upper protective cover 1 and the lower protective cover 2 at the gas leaking part of the gas pipeline.

[0031] The bottom of the mounting bolt 61 is integrally processed with two alignment blocks 7, and the top of the upper mounting side plate 4 is provided with an alignment groove 8 adapted to the alignment blocks 7;

[0032] In order to facilitate the assembly and use of the mounting mechanism 6, the alignment block 7 on the surface of the mounting bolt 61 is placed into the alignment groove 8 next to the hole. The mounting nut 62 can be connected to the mounting bolt 61 by simply rotating it, without the need to fix the mounting bolt 61.

[0033] The surfaces of the two upper mounting side panels 4 and the two lower mounting side panels 5 are integrally machined with supporting angle seats 9 .

[0034] Furthermore, a support angle seat 9 is provided to strengthen the connection between the upper mounting side plate 4 and the upper protective cover 1, and at the same time strengthen the connection between the lower mounting side plate 5 and the lower protective cover 2, thereby improving the pressure resistance effect.

[0035] The sealing filling mechanism 3 includes two arc-shaped grooves 31 opened on the inner wall of the upper protective cover 1. The tops of the two arc-shaped grooves 31 are connected to the delivery pipes 32. The two delivery pipes 32 are embedded in the top of the upper protective cover 1, and the surfaces of the two delivery pipes 32 are threadedly installed with sealing caps 33.

[0036] It should be noted that the upper protective cover 1 presses the sealing frame 11 tightly against the gas pipeline to achieve a preliminary sealing effect, and at the same time injects the sealing glue into the arc groove 31 through the delivery pipe 32, wherein the bottom of the arc groove 31 fits with the surface of the gas pipeline to form a chamber, and the sealing glue is injected into the inner chamber of the arc groove 31 to provide a secondary sealing effect.

[0037] In order to enhance the friction force for the rotation of the sealing caps 33 , the surfaces of the two sealing caps 33 are integrally processed with convex stripes 10 .

[0038] Sealing frames 11 are fixedly mounted on the inner walls of the upper protective cover 1 and the lower protective cover 2 , and adjacent sides of the two sealing frames 11 are both in contact with the surface of the gas pipeline.

[0039] It is worth noting that the sealing frame 11 is located on the inner wall of the upper protective cover 1 and the lower protective cover 2 so as to better fit with the gas pipeline.

[0040] This device finds the leak on the surface of the gas pipeline, positions the upper protective cover 1 at the leak to cover it, and fixes the lower protective cover 2 to the upper protective cover 1 through the mounting mechanism 6, wherein the mounting bolts 61 pass through the inner hole portion of the upper mounting side plate 4 and the inner hole portion of the lower mounting side plate 5, and are threadedly mounted with the mounting nuts 62, and the upper protective cover 1 and the lower protective cover 2 are fixed to the leaking portion of the gas pipeline, wherein a sealing frame 11 is installed on the inner wall of the upper mounting pipeline, and the sealing frame 11 is made of rubber, and the bottom of the sealing frame 11 fits with the surface of the gas pipeline. When the mounting mechanism 6 is tightened, the upper protective cover 1 presses the sealing frame 11 tightly against the gas pipeline, achieving a preliminary sealing effect, and at the same time, the sealing glue is injected into the arc groove 31 through the delivery pipe 32, wherein the bottom of the arc groove 31 fits with the surface of the gas pipeline to form a chamber, and the sealing glue is injected into the inner chamber of the arc groove 31 to provide a secondary sealing effect.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for emergency repair of gas pipelines, characterized in that: include: An upper protective cover (1) mounted on the top of the gas pipeline; A lower protective cover (2) is provided at the bottom of the upper protective cover (1), and the upper protective cover (1) and the lower protective cover (2) are provided on the gas pipeline; A sealing filling mechanism (3) for sealing and protecting the gas pipeline sealing portion is provided in the upper protective cover (1).

2. A protective device for emergency repair of a gas pipeline according to claim 1, characterized in that: Both sides of the upper protective cover (1) are integrally processed with upper mounting side plates (4), and both sides of the lower protective cover (2) are integrally processed with lower mounting side plates (5). Both sides of the upper protective cover (1) are provided with mounting mechanisms (6), and the mounting mechanisms (6) are used to connect the upper mounting side plates (4) and the lower mounting side plates (5).

3. A protective device for emergency repair of a gas pipeline according to claim 2, characterized in that: The mounting mechanism (6) includes mounting bolts (61) and mounting nuts (62). Three holes are provided on the surfaces of the two upper mounting side plates (4) and the two lower mounting side plates (5). The three holes in the upper mounting side plates (4) are movably sleeved with mounting bolts (61). The lower ends of the three mounting bolts (61) pass through the holes on the surfaces of the lower mounting side plates (5) and are threadedly mounted with mounting nuts (62). The tops of the three mounting nuts (62) are in contact with the bottoms of the lower mounting side plates (5).

4. A protective device for emergency repair of a gas pipeline according to claim 3, characterized in that: The bottom of the mounting bolt (61) is integrally processed with two alignment blocks (7), and the top of the upper mounting side plate (4) is provided with an alignment groove (8) adapted to the alignment blocks (7).

5. A protective device for emergency repair of a gas pipeline according to claim 4, characterized in that: The surfaces of the two upper mounting side plates (4) and the two lower mounting side plates (5) are integrally machined with supporting angle seats (9).

6. A protective device for emergency repair of a gas pipeline according to claim 1, characterized in that: The sealing filling mechanism (3) comprises two arc-shaped grooves (31) provided on the inner wall of the upper protective cover (1), the tops of the two arc-shaped grooves (31) are connected to a delivery pipe (32), the two delivery pipes (32) are embedded in the top of the upper protective cover (1), and sealing caps (33) are threadedly installed on the surfaces of the two delivery pipes (32).

7. A protective device for emergency repair of a gas pipeline according to claim 6, characterized in that: The surfaces of the two sealing caps (33) are both integrally processed with convex stripe portions (10).

8. The protective device for emergency repair of a gas pipeline according to claim 1, characterized in that: The inner walls of the upper protective cover (1) and the lower protective cover (2) are both fixedly mounted with sealing frames (11), and adjacent sides of the two sealing frames (11) are both fitted on the surface of the gas pipeline.

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