CN219549940U

CN219549940U - Natural gas pipeline protection structure

Info

Publication number: CN219549940U
Application number: CN202320891203.9U
Authority: CN
Inventors: 陈建爽; 庞志猛
Original assignee: Caofeidian Xintian Lng Co ltd
Current assignee: Caofeidian Xintian Lng Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-08-18
Anticipated expiration: 2033-04-20

Abstract

The utility model provides a natural gas pipeline protection structure, which relates to the field of pipeline protection and comprises the following components: mounting panel, outer pillar and interior pillar, the mounting panel outer end welding has the connecting plate, and the welding of connecting plate outer end is at outer pillar outer wall to first sealing washer is installed to the inboard of outer pillar, interior pillar slip grafting is inboard at outer pillar, and interior pillar inboard is connected with the second sealing washer, and the outer wall of interior pillar is fixed with fixing device, and the spout has been seted up to the inner wall of interior pillar, the spout inboard is provided with the expansion groove, and the inside sliding connection of spout has the slider, the inside sliding connection of expansion groove has the slide, and the slide outside is provided with the second spring. The utility model solves the problems that the natural gas pipeline protection structure in the prior art has poor sealing performance, so that the protection effect is poor, and the natural gas pipeline protection structure cannot be suitable for natural gas pipelines with different outer diameters.

Description

Natural gas pipeline protection structure

Technical Field

The utility model relates to the technical field of pipeline protection, in particular to a natural gas pipeline protection structure.

Background

The natural gas pipeline is assembled by connecting single pipe piece by piece, and modern gas collecting pipeline and gas transmission pipeline are formed by electric welding connection of steel pipe, and the steel pipe has seamless pipe, spiral seam pipe and straight seam pipe multiple, and the seamless pipe is applicable to the pipe that the pipe diameter is less than 529 millimeter, and spiral seam pipe and straight seam pipe are applicable to heavy-calibre pipeline, through retrieving, prior art (application number: CN 202120208247.8), the description "a natural gas pipeline protection architecture" has been described, including two mounting panels, two the equal threaded connection in left side of mounting panel has the fixed screw, two the equal fixedly connected with backup pad in left side of mounting panel, two the equal fixedly connected with connecting rod in one side that the backup pad is relative, two the equal fixedly connected with outer backplate in one side that the connecting rod is relative, two interior backplate have been cup jointed to the inboard of outer backplate. This natural gas pipeline protection architecture, through placing two inner shields in the outside of natural gas pipeline body, place the outside of inner shield with two outer shields, hold and promote the set screw and make the inner shield remove to reinforcing the protection span to the natural gas pipeline body, this protection architecture can be adjusted according to the length of natural gas pipeline, and the maximized protects natural gas pipeline, improves natural gas pipeline's security. "

However, the natural gas pipeline protection structure in the prior art still has some defects although the protection function of the natural gas pipeline is realized: the inner guard plate and the outer guard plate that this protection architecture relates to are installed comparatively troublesome, and have obvious joint gap between inner guard plate and the outer guard plate, and the leakproofness is relatively poor, leads to rainwater dust to contact the outer wall of natural gas pipeline easily, and then has the corruption damage to the pipeline for a long time, leads to the protection effect poor, and secondly, the device can not be applicable to the natural gas pipeline of different external diameters, leads to the use to have the limitation.

Disclosure of Invention

In order to overcome the defects existing in the prior art, a natural gas pipeline protection structure is provided at present, so that the problems that the protection effect is poor and the natural gas pipeline protection structure cannot be suitable for natural gas pipelines with different outer diameters due to poor tightness in the natural gas pipeline protection structure in the prior art are solved.

To achieve the above object, there is provided a natural gas pipeline protection structure comprising: mounting panel, outer pillar and interior pillar, the mounting panel outer end welding has the connecting plate, and the welding of connecting plate outer end is at outer pillar outer wall to first sealing washer is installed to the inboard of outer pillar, interior pillar slip grafting is inboard at outer pillar, and interior pillar inboard is connected with the second sealing washer, and the outer wall of interior pillar is fixed with fixing device, and the spout has been seted up to the inner wall of interior pillar, the spout inboard is provided with the expansion groove, and the inside sliding connection of spout has the slider, the inside sliding connection of expansion groove has the slide, and the slide outside is provided with the second spring, and the slide inboard end rotates and is connected with the ball, and the inboard of ball is provided with the natural gas pipeline body.

Furthermore, the connecting plates are two rectangular plates which are parallel, equal in length and equal in width, the two connecting plates are respectively welded on the outer walls of the upper end and the lower end of the outer protection tube, and the connecting plates are welded with the same end face of the mounting plate vertically.

Further, one end of the outer protection tube is provided with a limiting end, the inner side of the limiting end is provided with a sleeve joint, and the first sealing ring is arranged at one end, far away from the sleeve joint, of the outer protection tube.

Further, fixing device includes the compact heap, and the welding of compact heap outer end has the telescopic link, and first spring has been cup jointed in the telescopic link outside, and the telescopic link outer end slip grafting is inside the sliding sleeve to the sliding sleeve outer end spiro union has positioning bolt, and the welding of sliding sleeve outer end is including the pillar outer wall.

Further, the inner side end of the compaction block is parallel to the wall surface, the inner side end face of the compaction block is riveted with a rubber block, and the outer end face of the rubber block is provided with convex teeth of a triangular pyramid structure.

Further, the expansion groove is communicated with the sliding groove, the sliding plate and the sliding block are welded into an integral structure, and the inner diameter of the expansion groove is larger than the outer diameter of the ball.

The utility model has the beneficial effects that the sliding chute, the telescopic groove, the second spring, the sliding block and the sliding plate which are arranged on the inner wall of the inner protection pipe are convenient for being suitable for natural gas pipelines with different outer diameters, are convenient for direct insertion and installation, are convenient and fast, form good sealing effect on the natural gas pipeline body through the outer protection pipe, the first sealing ring, the inner protection pipe and the second sealing ring, start according to the effects of defending sun and dust, further improve the protection effect, facilitate the inner protection pipe to be extracted from the outer protection pipe by the fixing device, and are further suitable for natural gas pipelines with different lengths, and the extracted inner protection pipe is convenient to be abutted and fixed with the wall surface under proper length by the compression block, the telescopic rod, the first spring, the sliding sleeve and the positioning bolt which are included by the fixing device, so that the effect of fixing the inner protection pipe is achieved.

Drawings

Fig. 1 is a schematic view of a longitudinal cross-sectional structure of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a structure a in fig. 1 according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of the structure B in fig. 2 according to an embodiment of the present utility model.

Fig. 5 is a schematic cross-sectional view of a ball-point inner shroud according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of the structure at C in fig. 5 according to an embodiment of the present utility model.

In the figure: 1. a mounting plate; 2. a connecting plate; 3. an outer protective tube; 31. a limiting end; 32. a sleeve interface; 4. a first seal ring; 5. an inner protective tube; 6. a second seal ring; 7. a ball; 8. a natural gas pipeline body; 9. a fixing device; 91. a compaction block; 92. a telescopic rod; 93. a first spring; 94. a sliding sleeve; 95. positioning bolts; 10. a chute; 11. a telescopic slot; 12. a second spring; 13. a slide block; 14. and (3) a sliding plate.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 6, the present utility model provides a natural gas pipeline protecting structure, comprising: a mounting plate 1, an outer protective tube 3 and an inner protective tube 5.

Specifically, the connecting plate 2 is welded at the outer end of the mounting plate 1, the outer end of the connecting plate 2 is welded on the outer wall of the outer protection tube 3, the first sealing ring 4 is installed on the inner side of the outer protection tube 3, the inner protection tube 5 is connected on the inner side of the outer protection tube 3 in a sliding mode, the second sealing ring 6 is connected on the inner side of the inner protection tube 5, the fixing device 9 is fixed on the outer wall of the inner protection tube 5, the connecting plate 2 is arranged into two rectangular plates which are parallel and equal in length and width, the two connecting plates 2 are welded on the outer walls of the upper end and the lower end of the outer protection tube 3 respectively, the connecting plates 2 are welded with the same end face of the mounting plate 1 vertically, the limiting end 31 is arranged at one end of the outer protection tube 3, the sleeve joint 32 is arranged on the inner side of the limiting end 31, and the first sealing ring 4 is installed at one end, far away from the sleeve joint 32, of the outer protection tube 3.

As a preferred embodiment, the outer protective tube 3 is conveniently fixed on the wall surface through the mounting plate 1 and the connecting plate 2, and then the natural gas pipeline body 8 is lifted and fixed.

As a preferred embodiment, the sleeve interface 32 and the limiting end 31 are arranged to facilitate the limiting of one end of the inner protection tube 5 after the sleeve is sleeved.

It should be noted that, the outer protective tube 3 and the inner protective tube 5 have a shrinking function, and the total length of the outer protective tube 3 and the inner protective tube 5 after shrinking before installation is smaller than the length of the natural gas pipeline body 8 to be protected, so that the whole protection device can be moved outside the natural gas pipeline in the dismounting state of the mounting plate 1, and then the damaged part can be exposed for convenient maintenance under the condition that the damaged part is damaged at a certain position of the pipeline.

Specifically, fixing device 9 includes compact heap 91, and compact heap 91 outer end welding has telescopic link 92, and telescopic link 92 outside has cup jointed first spring 93, and the telescopic link 92 outer end slip grafting is inside sliding sleeve 94 to sliding sleeve 94 outer end spiro union has positioning bolt 95, and the outer end welding of sliding sleeve 94 is including the pillar 5 outer wall, and compact heap 91 inboard end is parallel with the wall, and compact heap 91 inboard terminal surface riveting has the rubber block, and the outer terminal surface of rubber block is provided with the dogtooth of triangular pyramid structure.

In this embodiment, two sets of fixing devices 9 are disposed between the inner protective tube 5 and the wall, and the two sets of fixing devices 9 are disposed in an obtuse angle relationship, so as to form a triangular support stable structure with the wall.

As a preferred embodiment, the positioning bolts 95 are arranged to facilitate the sliding of the inner protection tube 5 when the inner protection tube 5 is moved, and the telescopic rods 92 are pressed and contracted to be fixed.

Specifically, spout 10 has been seted up to the inner wall of interior pillar 5, spout 10 inboard is provided with flexible groove 11, and the inside sliding connection of spout 10 has slider 13, the inside sliding connection of flexible groove 11 has slide 14, and the slide 14 outside is provided with second spring 12, slide 14 inboard end rotates and is connected with ball 7, ball 7's inboard is provided with natural gas pipeline body 8, flexible groove 11 and spout 10 UNICOM, and slide 14 and slider 13 welding are overall structure, and the internal diameter of flexible groove 11 is greater than ball 7's external diameter.

As a preferred embodiment, the telescopic groove 11 is arranged to facilitate a certain telescopic space of the ball 7, so that the connection inner diameter of the inner protection tube 5 can be conveniently changed, and the device is suitable for the outer diameter of different natural gas pipelines.

As a preferred embodiment, through arranging the sliding groove 10, the sliding block 13, the sliding plate 14 and the second spring 12, the inner protection pipe 5 is convenient to have a certain anti-collision and shock-absorption effect on the inner natural gas pipeline.

When the gas pipeline sealing device is used, one end of the inner protection pipe 5, on which the second sealing ring 6 is installed, is aligned with one end of the natural gas pipeline body 8 to be in sliding sleeve joint, then the mounting plate 1 is fixed on a wall through bolts, the inner protection pipe 5 is properly pulled out according to the length of the pipeline, then the positioning bolts 95 are loosened, the compression block 91 is ejected out to be tightly attached to the wall, and the positioning bolts 95 are screwed.

The natural gas pipeline protection structure can effectively solve the problems that the natural gas pipeline protection structure in the prior art is poor in sealing performance, so that the protection effect is poor, and the natural gas pipeline protection structure cannot be suitable for natural gas pipelines with different outer diameters, and the sealing performance of the protection structure on the pipeline is improved on the basis of the natural gas pipeline protection structure technology in the prior art, so that the protection effect is further enhanced, and the natural gas pipeline protection structure is suitable for the natural gas pipelines with different outer diameters.

Claims

1. A natural gas pipeline protection structure comprising: mounting panel (1), outer pillar (3) and interior pillar (5), its characterized in that: the outer end of the mounting plate (1) is welded with a connecting plate (2), the outer end of the connecting plate (2) is welded on the outer wall of the outer protection tube (3), the inner side of the outer protection tube (3) is provided with a first sealing ring (4), the inner protection tube (5) is slidably inserted into the inner side of the outer protection tube (3), the inner side of the inner protection tube (5) is connected with a second sealing ring (6), the outer wall of the inner protection tube (5) is fixedly provided with a fixing device (9), the inner wall of interior pillar (5) has seted up spout (10), spout (10) inboard is provided with flexible groove (11), and the inside sliding connection of spout (10) has slider (13), and the inside sliding connection of flexible groove (11) has slide (14) to slide (14) outside is provided with second spring (12), and slide (14) inboard end rotates and is connected with ball (7), and the inboard of ball (7) is provided with natural gas pipeline body (8).

2. The natural gas pipeline protection structure according to claim 1, wherein the connecting plates (2) are two rectangular plates which are parallel and equal in length and width, the two connecting plates (2) are respectively welded on the outer walls of the upper end and the lower end of the outer protection pipe (3), and the connecting plates (2) are welded with the same end face of the mounting plate (1) vertically.

3. A natural gas pipeline protection structure according to claim 1, characterized in that one end of the outer protection pipe (3) is provided with a limiting end (31), a socket (32) is arranged on the inner side of the limiting end (31), and the first sealing ring (4) is arranged at one end of the outer protection pipe (3) far away from the socket (32).

4. The natural gas pipeline protection structure according to claim 1, wherein the fixing device (9) comprises a compression block (91), a telescopic rod (92) is welded at the outer end of the compression block (91), a first spring (93) is sleeved outside the telescopic rod (92), the outer end of the telescopic rod (92) is slidably inserted into the sliding sleeve (94), a positioning bolt (95) is screwed at the outer end of the sliding sleeve (94), and the outer end of the sliding sleeve (94) is welded on the outer wall of the inner protection pipe (5).

5. The natural gas pipeline protecting structure according to claim 4, wherein the inner side end of the pressing block (91) is parallel to the wall surface, the inner side end face of the pressing block (91) is riveted with a rubber block, and the outer end face of the rubber block is provided with convex teeth of a triangular pyramid structure.

6. A natural gas pipeline protection structure according to claim 1, characterized in that the telescopic groove (11) is communicated with the sliding groove (10), the sliding plate (14) and the sliding block (13) are welded into a whole structure, and the inner diameter of the telescopic groove (11) is larger than the outer diameter of the ball (7).