CN211976263U

CN211976263U - Natural gas line plugging device

Info

Publication number: CN211976263U
Application number: CN202020227716.6U
Authority: CN
Inventors: 马芳; 张桐语
Original assignee: Hebei Dingjia Energy Technology Co ltd
Current assignee: Hebei Dingjia Energy Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-11-20
Anticipated expiration: 2030-02-28

Abstract

The application provides a natural gas pipeline plugging device which comprises a connecting ring with an adjustable caliber; one end of the connecting ring is connected with a connecting plate; a support column is arranged above the connecting plate; one side of the supporting column is connected with a fixing plate; the bottom surface of the fixed plate is provided with a hydraulic cylinder; the free end of a piston rod of the hydraulic cylinder is provided with an inverted convex mounting seat; the natural gas pipeline baffle plate is characterized by also comprising a plurality of circular baffle plates with different radiuses so as to match natural gas pipelines with different pipeline inner diameters; clamping grooves are formed in the two ends of the top surface of the circular baffle; an L-shaped clamping plate is clamped in the clamping groove; the part of the L-shaped clamping plate extending out of the upper part of the circular baffle is connected with a telescopic rod; the free end of the telescopic rod is fixedly connected with the convex part of the convex mounting seat; the outer wall cover of telescopic link is equipped with first spring. This natural gas line plugging device through setting up protruding type mount pad and a plurality of not radial circular baffle, can carry out the shutoff to the natural gas line of different pipeline internal diameters, but the dismouting change of circular baffle can be accomplished to convenient and fast ground simultaneously.

Description

Natural gas line plugging device

Technical Field

The application relates to the technical field of pipeline plugging, in particular to a natural gas pipeline plugging device.

Background

A natural gas pipeline refers to a pipeline for transporting natural gas (including associated gas produced in oil fields) from a mining area or a processing plant to an urban distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, the most common natural gas conveying mode on land is adopted, the natural gas pipeline accounts for half of the total length of the pipeline in the world, the gas leakage condition of the pipeline cannot be avoided in the natural gas conveying process through the natural gas pipeline, and the natural gas pipeline needs to be blocked and maintained in a segmented mode.

The utility model discloses a utility model patent of grant bulletin No. CN 207034495U, a plugging device for natural gas line is disclosed, including the go-between, baffle and motor, the inside upper end of go-between is connected with the baffle, the baffle top is equipped with the motor, go-between one end bottom is connected with the connecting plate, be equipped with the support column on the connecting plate, support column one side just is located the motor below and is connected with the motor backup pad, the motor bottom is connected with the output shaft, the output shaft low side is connected with the baffle, the go-between opposite side be equipped with the latch segment, the inside lock nut that is equipped with of latch segment, latch segment one side just is located the baffle top and is. But the device can not seal natural gas pipelines with different pipeline inner diameters.

Disclosure of Invention

The purpose of this application is to above problem, provides a natural gas line plugging device.

The application provides a natural gas pipeline plugging device which is used for plugging a natural gas pipeline, wherein the outer wall of the natural gas pipeline is sleeved with a connecting ring with an adjustable caliber; one end of the connecting ring is connected with a connecting plate; a support column is arranged above the connecting plate; one side of the supporting column is connected with a fixing plate; a hydraulic cylinder is fixedly arranged on the bottom surface of the fixed plate; the free end of a piston rod of the hydraulic cylinder is provided with an inverted convex mounting seat; the natural gas pipeline plugging device also comprises a plurality of circular baffles with different radiuses so as to match the natural gas pipelines with different pipeline inner diameters; clamping grooves are formed in two ends of the top surface of the circular baffle; the clamping groove is internally clamped with an L-shaped clamping plate; the part of the L-shaped clamping plate extending out of the upper part of the circular baffle is connected with a telescopic rod; the free end of the telescopic rod is fixedly connected with the convex part of the convex mounting seat; the outer wall cover of telescopic link is equipped with first spring.

According to the technical scheme provided by some embodiments of the application, a T-shaped sliding groove is formed in the shoulder of the convex mounting seat; the top of the L-shaped clamping plate is connected with a T-shaped sliding block; the T-shaped sliding block is connected in the T-shaped sliding groove in a sliding mode.

According to the technical solution provided by some embodiments of the present application, the connection ring includes a first semi-circular ring and a second semi-circular ring; the first semicircular ring and the second semicircular ring are buckled to form a closed circular ring; an adjusting device is arranged on the second semicircular ring; the adjusting device comprises a screw rod which penetrates through the second semicircular ring and is in threaded connection with the second semicircular ring; the screw rod is located the inboard one end of second semicircle ring is connected with the regulating plate, is located the one end fixedly connected with rotation handle in the second semicircle ring outside.

According to the technical scheme provided by some embodiments of the application, a groove is formed in the surface of the inner wall of the first semicircular ring; the bottom of the groove is fixedly connected with a second spring; one end of the second spring, which is far away from the groove, is fixedly connected with an arc plate.

According to the technical scheme provided by some embodiments of the application, the adjusting plate and one side of the circular arc plate close to the natural gas pipeline are both bonded with a rubber pad.

According to the technical scheme provided by some embodiments of the application, a reinforcing plate which is obliquely arranged is arranged below the fixing plate; the lower end of the reinforcing plate is fixedly connected with the supporting column, and the high end of the reinforcing plate is fixedly connected with the fixing plate.

According to the technical scheme provided by some embodiments of the application, a sealing sleeve is arranged on the periphery of the circular baffle.

Compared with the prior art, the beneficial effect of this application: the natural gas pipeline plugging device is fixedly arranged at the top end of a natural gas pipeline through a connecting ring, and a hydraulic cylinder drives a circular baffle to move downwards and is inserted into an inner cavity of the natural gas pipeline to realize plugging; by arranging the convex mounting seat and the plurality of circular baffles with different radiuses, when the natural gas pipeline plugging device is used, the circular baffles with proper sizes are selected and installed at the bottom of the convex mounting seat, so that natural gas pipelines with different pipeline inner diameters can be plugged; through setting up joint groove, L type joint board, telescopic link and first spring, the dismouting change of circular baffle can be accomplished convenient and fast ground.

Drawings

Fig. 1 is a schematic structural diagram of a natural gas pipeline plugging device provided in an embodiment of the present application;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic side view of a convex mounting seat of a natural gas pipeline plugging device according to an embodiment of the present application;

fig. 4 is a schematic top view of a connection ring of a natural gas pipeline plugging device according to an embodiment of the present application.

The text labels in the figures are represented as:

1. a natural gas pipeline; 2. a connecting ring; 3. a connecting plate; 4. a support pillar; 5. a fixing plate; 6. a hydraulic cylinder; 7. a piston rod; 8. a convex mounting seat; 9. a circular baffle; 10. a clamping groove; 11. an L-shaped clamping plate; 12. a telescopic rod; 13. a first spring; 14. a T-shaped chute; 15. a T-shaped slider; 16. a first semicircular ring; 17. a second semi-circular ring; 18. an adjusting plate; 19. rotating the handle; 20. a groove; 21. a second spring; 22. a circular arc plate; 23. a reinforcing plate; 24. and (5) sealing the sleeve.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1 and fig. 2, the present embodiment provides a natural gas pipeline plugging device, which is used for plugging a natural gas pipeline 1, and includes a connecting ring 2 with an adjustable caliber, when in use, the connecting ring 2 is sleeved on an outer wall of the natural gas pipeline 1, a bottom of one end of the connecting ring 2 is connected to a connecting plate 3 through a bolt, a supporting column 4 is installed above the connecting plate 3 through a supporting column installation seat, a fixing plate 5 is welded on an upper portion of a right side of the supporting column 4, a hydraulic cylinder 6 is fixedly installed on a bottom surface of the fixing plate 5, and an inverted convex installation seat 8 is installed at a free end of a piston rod 7; this natural gas line plugging device still includes a plurality of not radial circular baffle 9 for match the natural gas line 1 use of different pipeline internal diameters, circular baffle 9's top surface both ends are provided with joint groove 10, the joint has L type joint board 11 in the joint groove 10, L type joint board 11 includes diaphragm and riser, the diaphragm joint is in joint groove 10, the top of riser stretches out to circular baffle 9's top, one side fixed mounting of the riser that stretches out has telescopic link 12, the free end of telescopic link 12 and the convex part fixed connection of protruding type mount pad 8, the outer wall cover of telescopic link 12 is equipped with first spring 13.

When the plugging device is used, the connecting ring 2 is fixedly installed at the top end of the natural gas pipeline 1, a proper circular baffle plate 9 is selected according to the inner diameter of the natural gas pipeline 1 to be plugged, the pair of L-shaped clamping plates 11 are moved towards the direction close to the convex installation seat 8 through external force, the clamping groove 10 of the selected circular baffle plate 9 is placed at the position flush with the transverse plate of the L-shaped clamping plate 11, the external force is removed, the L-shaped clamping plates 11 are tightly clamped in the clamping groove 10 under the action of the first spring 13, installation of the circular baffle plate 9 is completed, the circular baffle plate 9 is driven to move downwards through the hydraulic cylinder 6 and is inserted into the inner cavity of the natural gas pipeline 1 to realize plugging; by arranging the convex mounting seat 8 and the plurality of circular baffles 9 with different radiuses, the natural gas pipelines 1 with different pipeline inner diameters can be plugged; through setting up joint groove 10, L type joint board 11, telescopic link 12 and first spring 13, the dismouting change of circular baffle 9 can be accomplished convenient and fast ground.

Referring to fig. 3, preferably, a T-shaped sliding groove 14 is formed in a shoulder of the convex mounting seat 8, a T-shaped sliding block 15 is connected to a top of the L-shaped clamping plate 11, the T-shaped sliding block 15 is slidably connected in the T-shaped sliding groove 14, when the circular baffle 9 is disassembled and assembled, the T-shaped sliding block 15 moves left and right along the T-shaped sliding groove 14, and the arrangement of the T-shaped sliding groove 14 and the T-shaped sliding block 15 can enhance the connection stability of the L-shaped clamping plate 11.

Referring to fig. 4, preferably, the connection ring 2 includes a first semi-circular ring 16 and a second semi-circular ring 17, the first semi-circular ring 16 and the second semi-circular ring 17 are engaged with each other and are connected by bolts to form a closed circular ring, the second semi-circular ring 17 is provided with an adjusting device, the adjusting device includes a screw, the second semi-circular ring 17 is provided with a screw hole penetrating through the inner wall and the outer wall, the screw passes through the screw hole and is in threaded connection with the second semi-circular ring 17, an adjusting plate 18 is connected to one end of the screw located inside the second semi-circular ring 17, and a rotating handle 19 is fixedly connected to one end located outside the second semi-circular ring 17, when in use, the rotating handle 19 can change the distance between the adjusting plate 18 and the inner wall of the second semi-circular ring 17, so that the aperture of the connection ring 2 can be.

Preferably, a groove 20 is formed in the inner wall surface of the first semicircular ring 16, a second spring 21 is fixedly connected to the bottom of the groove 20, and an arc plate 22 is fixedly connected to one end, far away from the groove 20, of the second spring 21; the arrangement of the groove 20, the second spring 21 and the circular arc plate 22 may allow the connection ring 2 to be more stably connected with the natural gas pipeline 1.

Preferably, a rubber pad (not shown) is bonded to each of the adjusting plate 18 and the circular arc plate 22 on the side close to the natural gas pipeline 1, so that the natural gas pipeline 1 can be protected and the outer wall of the natural gas pipeline 1 is prevented from being damaged.

Preferably, the reinforcing plate 23 that the below of fixed plate 5 was equipped with the slope and sets up, the low side and the support column 4 fixed connection of reinforcing plate 23, high-end and fixed plate 5 fixed connection play the effect of firm support.

Preferably, the sealing sleeve 24 is arranged on the periphery of the circular baffle 9, so that the circular baffle 9 can be tightly attached to the inner wall of the natural gas pipeline 1, and the sealing performance is enhanced.

According to the natural gas pipeline plugging device provided by the embodiment of the application, the natural gas pipelines 1 with different pipeline inner diameters can be plugged by arranging the convex mounting seat 8 and the plurality of circular baffles 9 with different radiuses; by arranging the clamping groove 10, the L-shaped clamping plate 11, the telescopic rod 12 and the first spring 13, the round baffle 9 can be conveniently and quickly disassembled, assembled and replaced; the first semicircular ring 16, the second semicircular ring 17, the adjusting plate 18, the screw and the rotating handle 19 are arranged, so that the caliber of the connecting ring 2 can be adjusted, and the connecting ring can be matched with natural gas pipelines 1 with different pipeline outer diameters for use; the connection ring 2 and the natural gas pipeline 1 can be connected more firmly by arranging the groove 20, the second spring 21 and the arc plate 22; the natural gas pipeline 1 can be protected by arranging the rubber pad, so that the damage to the outer wall of the natural gas pipeline 1 is avoided; the reinforcing plate 23 is arranged, so that the effect of stable support can be achieved; through setting up seal cover 24, can make circular baffle 9 and the inner wall of natural gas line 1 laminate more closely, reinforcing leakproofness.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. A natural gas pipeline plugging device is used for plugging a natural gas pipeline (1), and is characterized in that a connecting ring (2) with an adjustable caliber is sleeved on the outer wall of the natural gas pipeline (1); one end of the connecting ring (2) is connected with a connecting plate (3); a support pillar (4) is arranged above the connecting plate (3); one side of the supporting column (4) is connected with a fixing plate (5); a hydraulic cylinder (6) is fixedly arranged on the bottom surface of the fixed plate (5); an inverted convex mounting seat (8) is mounted at the free end of a piston rod (7) of the hydraulic cylinder (6); the natural gas pipeline plugging device further comprises a plurality of circular baffles (9) with different radiuses so as to match the natural gas pipelines (1) with different pipeline inner diameters; clamping grooves (10) are formed in the two ends of the top surface of the circular baffle (9); an L-shaped clamping plate (11) is clamped in the clamping groove (10); the part of the L-shaped clamping plate (11) extending to the upper part of the circular baffle (9) is connected with a telescopic rod (12); the free end of the telescopic rod (12) is fixedly connected with the convex part of the convex mounting seat (8); the outer wall cover of telescopic link (12) is equipped with first spring (13).

2. The natural gas pipeline plugging device according to claim 1, wherein a T-shaped sliding groove (14) is opened at a shoulder of the convex mounting seat (8); the top of the L-shaped clamping plate (11) is connected with a T-shaped sliding block (15); the T-shaped sliding block (15) is connected in the T-shaped sliding groove (14) in a sliding mode.

3. Natural gas pipeline plugging device according to claim 1, wherein said connection ring (2) comprises a first semi-circular ring (16) and a second semi-circular ring (17); the first semicircular ring (16) and the second semicircular ring (17) are buckled to form a closed circular ring; an adjusting device is arranged on the second semicircular ring (17); the adjusting device comprises a screw rod which penetrates through the second semicircular ring (17) and is in threaded connection with the second semicircular ring (17); the screw rod is located the one end in second semicircle ring (17) inboard is connected with regulating plate (18), is located the one end fixedly connected with rotation handle (19) in second semicircle ring (17) outside.

4. The natural gas pipeline plugging device according to claim 3, wherein the inner wall surface of the first semicircular ring (16) is provided with a groove (20); the bottom of the groove (20) is fixedly connected with a second spring (21); one end, far away from the groove (20), of the second spring (21) is fixedly connected with an arc plate (22).

5. The natural gas pipeline plugging device according to claim 4, wherein a rubber pad is bonded to each of the adjusting plate (18) and the circular arc plate (22) on the side close to the natural gas pipeline (1).

6. The natural gas pipeline plugging device according to claim 1, wherein a reinforcing plate (23) is obliquely arranged below the fixing plate (5); the lower end of the reinforcing plate (23) is fixedly connected with the supporting column (4), and the high end of the reinforcing plate is fixedly connected with the fixing plate (5).

7. Natural gas pipeline plugging device according to claim 1, wherein the circular baffle (9) is provided with a sealing sleeve (24) at its periphery.