Gas pipeline laying anti-abrasion pipe sleeve of double-layer structure

Abstract

The gas pipeline laying anti-abrasion pipe sleeve of the double-layer structure comprises an inner pipe and an outer pipe, first arc-shaped grooves are formed in the front end and the rear end of the outer side of the inner pipe, and limiting grooves are adjacently formed in the inner sides of the first arc-shaped grooves in the front end and the rear end; a sealing ring protrudes from one end of the inner pipe; the inner pipe is sleeved with the outer pipe, a gap is reserved between the outer pipe and the inner pipe, second arc-shaped grooves are formed in the front end and the rear end of the inner wall of the outer pipe, and clamping pieces are adjacently arranged on the inner sides of the second arc-shaped grooves in the front end and the rear end. An anti-explosion cavity is formed in the middle of the inner wall of the outer pipe in a protruding mode, and the anti-explosion cavity is filled with anti-explosion materials. A plurality of balls are arranged between the first arc-shaped groove and the second arc-shaped groove; the clamping piece is arranged corresponding to the limiting groove; a protective layer is further arranged on the inner side of the outer pipe, a supporting piece is arranged between the protective layer and the outer side of the outer pipe, the sealing performance is high, the pipeline is of a double-layer structure, the friction rate is reduced, the service life is prolonged, and meanwhile use is safer and more guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation pipeline equipment, in particular to a wear-resistant pipe sleeve for laying a gas pipeline with a double-layer structure. Background Art

[0002] Gas pipeline is one of the main modes and tools for transporting gas, an important living resource in our lives. During the laying and transportation process of gas pipeline, the frequent dragging and carrying of the staff can easily cause certain wear and tear on the gas pipeline, thereby reducing the service life of the pipeline or causing the pipeline to be scrapped and wasting resources. Therefore, the gas pipeline in the prior art has certain technical defects and needs to be improved in terms of its wear resistance. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a double-layer structure pipeline with strong sealing performance, which reduces the friction rate, increases the service life and is safer and more secure to use.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a double-layer structure for laying a wear-proof pipe sleeve for gas pipelines, including an inner pipe and an outer pipe, the outer side of the inner pipe has a first arc groove at both ends, and a limit groove is adjacently arranged inside the first arc groove at both ends; a sealing ring protrudes at one end of the inner pipe; the outer pipe sleeve is arranged on the outer side of the inner pipe, and a gap is left between the outer pipe and the inner pipe, the inner wall of the outer pipe has a second arc groove at both ends, and a clamp is adjacently arranged inside the second arc groove at both ends; an explosion-proof cavity protrudes from the middle of the inner wall of the outer pipe, and the explosion-proof cavity is filled with explosion-proof material; a number of balls are arranged between the first arc groove and the second arc groove; the clamp is arranged corresponding to the limit groove; a protective layer is also arranged on the inner side of the outer pipe, and a support is arranged between the protective layer and the outer side of the outer pipe.

[0005] Preferably, flanges are provided at both the front and rear ends of the inner tube, and a sealing ring protrudes from the inner side of the flange at one end of the inner tube.

[0006] Preferably, the first arc groove and the second arc groove are arranged correspondingly, and the first arc groove and the second arc groove can be twisted coaxially in the same direction and coaxially in the opposite direction by arranging a ball, the clamping piece is arranged corresponding to the limit groove, and the outer tube is embedded in the limit groove of the outer wall of the inner tube through the inner wall clamping piece.

[0007] Preferably, a hollow explosion-proof cavity protrudes from the middle of the inner wall of the outer tube, and the explosion-proof cavity is filled with explosion-proof material.

[0008] Preferably, a support member is circumferentially arranged between the outer wall of the outer tube and the protective layer, and a plurality of the support members are arranged along the length of the outer wall of the outer tube, and a plurality of triangular structures are formed between the support members.

[0009] The beneficial effects of the utility model are as follows: the utility model provides a first arc groove and a second arc groove on the inner sides of the inner tube and the outer tube, and provides a plurality of balls between the two limiting grooves, thereby realizing coaxial reverse and coaxial unidirectional movement between the inner tube and the outer tube. At the same time, the inner tube and the outer tube are limited and fixed by the embedded structure between the clamp and the limiting groove, thereby increasing the installation stability and preventing the outer tube from falling off or the balls from derailing. During transportation, the outer tube contacts and rubs against the ground, and the balls can be used to rotate the outer tube, thereby avoiding friction and reducing wear. Furthermore, a support member with a triangular structure is provided between the outer tube and the protective layer, and the triangular structure is more solid, thereby increasing the pressure resistance and collision resistance of the outer tube, and further protecting it. Moreover, an explosion-proof cavity filled with explosion-proof material is provided inside the outer tube, thereby reducing the damage to the external environment caused by accidents of the gas pipeline. At the same time, the protruding sealing ring further seals the pipelines when the pipelines are butt-jointed, thereby improving the airtightness, preventing gas leakage, and making it safer to use and increasing the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the inner tube structure of the utility model;

[0012] Figure 3 It is a cross-sectional view of the utility model;

[0013] Figure 4 It is a partial view of the utility model.

[0014] Notes in the figure

[0015] 1. Inner tube; 101. Flange; 102. Sealing ring; 103. First arc groove; 104. Limiting groove; 2. Outer tube; 201. Second arc groove; 202. Clamp; 203. Explosion-proof chamber; 3. Protective layer; 301. Support member; 4. Ball. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Combination Figure 1-4The utility model is a wear-proof pipe sleeve for laying a double-layer structure gas pipeline, comprising an inner pipe 1 and an outer pipe 2, wherein the outer side of the inner pipe 1 has first arc grooves 103 at both ends, and limiting grooves 104 are arranged adjacent to the inner sides of the first arc grooves 103 at both ends; a sealing ring 102 is protruded at one end of the inner pipe 1; the outer pipe 2 is sleeved on the outer side of the inner pipe 1, and a gap is left between the outer pipe 2 and the inner pipe 1, and the inner wall of the outer pipe 2 has second arc grooves 201 at both ends, and clamps 202 are arranged adjacent to the inner sides of the second arc grooves 201 at both ends; an explosion-proof cavity 203 is protruded from the middle of the inner wall of the outer pipe 2, and the explosion-proof cavity 203 is filled with explosion-proof material; a plurality of balls 4 are arranged between the first arc groove 103 and the second arc groove 201; the clamps 202 are arranged corresponding to the limiting grooves 104; a protective layer 3 is also arranged on the inner side of the outer pipe 2, and a support 301 is arranged between the protective layer 3 and the outer side of the outer pipe 2.

[0018] Furthermore, flanges 101 are provided at both the front and rear ends of the inner tube 1 , and a sealing ring 102 protrudes from the inner side of the flange 101 at one end of the inner tube 1 .

[0019] Furthermore, the first arc groove 103 and the second arc groove 201 are arranged correspondingly, and the first arc groove 103 and the second arc groove 201 can be twisted coaxially in the same direction and coaxially in the opposite direction by arranging a ball 4. The clamping piece 202 is arranged corresponding to the limiting groove 104, and the outer tube 2 is embedded in the limiting groove 104 of the outer wall of the inner tube 1 through the inner wall clamping piece 202.

[0020] Furthermore, a hollow explosion-proof cavity 203 is protruded from the middle of the inner wall of the outer tube 2 , and the explosion-proof cavity 203 is filled with explosion-proof material.

[0021] Furthermore, a support member 301 is circumferentially arranged between the outer wall of the outer tube 2 and the protective layer 3 , and a plurality of the support members 301 are arranged along the length of the outer wall of the outer tube 2 , and a plurality of triangular structures are formed between the support members 301 .

[0022] The utility model arranges the first arc groove 103 and the second arc groove 201 on the inner side of the inner tube 1 and the outer tube 2, and arranges a plurality of balls 4 between the two limiting grooves 104, so as to realize the coaxial reverse movement and coaxial unidirectional movement between the inner tube 1 and the outer tube 2. At the same time, the inner tube 1 and the outer tube 2 are limited and fixed by the embedded structure between the clamp 202 and the limiting groove 104, so as to increase the installation stability, avoid the outer tube 2 falling off, or the balls 4 derailing. During the transportation process, the outer tube 2 contacts and rubs with the ground, and the outer tube 2 can be rotated by the balls 4, so as to avoid friction. , reduce wear and tear, further, a triangular structure support 301 is arranged between the outer tube 2 and the protective layer 3, the triangular structure is more solid, thereby increasing the pressure resistance and collision resistance of the outer tube 2, and further protecting it, and an explosion-proof cavity 203 filled with explosion-proof material is arranged inside the outer tube 2, which reduces the damage to the external environment caused by accidents of the gas pipeline, and at the same time, the protruding sealing ring 102 further seals the pipelines when the pipelines are docked, thereby improving the airtightness, preventing gas leakage, making it safer to use, and increasing the service life.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A double-layer structured gas pipeline wear-resistant pipe sleeve, comprising an inner pipe (1) and an outer pipe (2), characterized in that: The inner tube (1) has first arcuate grooves (103) at both ends of the outer side, and limiting grooves (104) are arranged adjacent to the inner sides of the first arcuate grooves (103) at both ends; a sealing ring (102) protrudes from one end of the inner tube (1); the outer tube (2) is sleeved on the outer side of the inner tube (1), a gap is left between the outer tube (2) and the inner tube (1), and the inner wall of the outer tube (2) has second arcuate grooves (201) at both ends of the inner side, and limiting grooves (104) are arranged adjacent to the inner sides of the second arcuate grooves (201) at both ends. A clamping piece (202); an explosion-proof cavity (203) protrudes from the middle of the inner wall of the outer tube (2), and the explosion-proof cavity (203) is filled with explosion-proof material; a plurality of balls (4) are arranged between the first arc-shaped groove (103) and the second arc-shaped groove (201); the clamping piece (202) is arranged corresponding to the limit groove (104); a protective layer (3) is also arranged on the inner side of the outer tube (2), and a support piece (301) is arranged between the protective layer (3) and the outer side of the outer tube (2).

2. The double-layer gas pipeline wear-resistant sleeve according to claim 1 is characterized in that: Flanges (101) are provided at both the front and rear ends of the inner tube (1), and a sealing ring (102) protrudes from the inner side of the flange (101) at one end of the inner tube (1).

3. The double-layer gas pipeline wear-resistant sleeve according to claim 1 is characterized in that: The first arc groove (103) and the second arc groove (201) are arranged correspondingly, and the first arc groove (103) and the second arc groove (201) can be twisted coaxially in the same direction and coaxially in the opposite direction by arranging a ball (4), the clamping piece (202) is arranged corresponding to the limiting groove (104), and the outer tube (2) is embedded in the limiting groove (104) on the outer wall of the inner tube (1) through the inner wall clamping piece (202).

4. The double-layer gas pipeline wear-resistant sleeve according to claim 1 is characterized in that: A hollow explosion-proof cavity (203) protrudes from the middle of the inner wall of the outer tube (2), and the interior of the explosion-proof cavity (203) is filled with explosion-proof material.

5. The double-layer gas pipeline wear-resistant sleeve according to claim 1 is characterized in that: A support member (301) is circumferentially arranged between the outer wall of the outer tube (2) and the protective layer (3); a plurality of the support members (301) are arranged along the length of the outer wall of the outer tube (2); and a plurality of triangular structures are formed between the support members (301).

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