Gas pipeline under-pressure plugging equipment

Abstract

The utility model relates to the technical field of pipeline transformation equipment, and particularly discloses gas pipeline under-pressure plugging equipment which comprises a screw rod, a sleeve rod and an elastic plugging body, and a first nut, a first gasket, the elastic plugging body, a second gasket, a second nut, a spring and a third nut are sequentially arranged at the bottom of the screw rod from top to bottom. A socket spanner used for rotating the first nut is integrally formed at the bottom of the sleeve rod, and handle structures used for rotating the sleeve rod are arranged on the two sides of the top of the sleeve rod correspondingly. According to the technical scheme, the device is wholly plugged into a pipeline needing to be plugged, the sleeve rod is rotated through the handle structure, the first nut is rotated through the socket spanner, the distance between the first gasket and the second gasket is reduced, and therefore the elastic plugging body is extruded and deformed, the pipeline is plugged through the deformed elastic plugging body, and the plugging effect is good. And the sleeve rod can be integrally detached, so that a branch valve can be conveniently mounted at a pipeline transformation part.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline transformation equipment, in particular to a gas pipeline pressure plugging device. Background Art

[0002] At present, aging, corroded or damaged gas pipelines pose safety hazards. Renovation can update pipeline facilities, improve operational safety, and reduce the possibility of accidents. By renovating gas pipelines, we can optimize pipeline layout, update pipeline materials and technologies, improve gas supply efficiency, and reduce energy waste. The renovated gas pipelines are more environmentally friendly, can reduce gas leakage and pollution, and reduce the impact on the environment. The renovation can improve the stability and reliability of the gas transmission system, ensure continuous gas supply, and meet user needs. Through gas pipeline renovation, the latest pipeline technology and equipment can be introduced, the system's modernization level can be improved, and the system can be ensured to operate in an efficient and reliable state. In general, gas pipeline renovation can improve gas supply safety, efficiency and environmental protection, ensure the normal operation of the gas system, and meet the requirements of social development and energy utilization.

[0003] If the main gas valve is closed during gas pipeline renovation, safety can be improved, but it will affect residents' use of gas. Currently, the pipe opening to be renovated is sealed by plugging method, which uses soil to seal. When the pipeline is renovated, high temperature will be generated on the pipeline. The soil will dry and crack when exposed to high temperature, which may cause gas leakage. In addition, the blocked soil blocks cannot be effectively cleaned after the valve is installed. Therefore, we propose a gas pipeline pressure plugging device. Utility Model Content

[0004] The purpose of the utility model is to provide a gas pipeline pressure plugging device, which solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas pipeline pressure plugging device, including a screw rod, a sleeve rod and an elastic plugging body, the bottom of the screw rod is provided with nut 1, gasket 1, elastic plugging body, gasket 2, nut 2, spring and nut 3 from top to bottom, a socket wrench for rotating nut 1 is integrally formed at the bottom of the sleeve rod, and handle structures for rotating the sleeve rod are provided on both sides of the top of the sleeve rod.

[0006] As a preferred implementation of the technical solution of the present application, a through hole is opened in the middle of the elastic sealing body, the elastic sealing body is sleeved on the outside of the screw, and the elastic sealing body is silicone rubber.

[0007] As a preferred implementation scheme of the technical solution of the present application, the outer dimensions of gasket 1 and gasket 2 are consistent, the outer dimensions of nut 1, nut 2 and nut 3 are consistent, and the outer diameters of gasket 1 and gasket 2 are consistent with the outer diameter of the elastic sealing body in its natural state.

[0008] As a preferred implementation of the technical solution of the present application, the maximum width of nut one, nut two and nut three is 30 mm smaller than the outer diameter of gasket one.

[0009] As a preferred implementation of the technical solution of the present application, the handle structure includes a sleeve vertically fixed to the outside of the sleeve rod, a handle is embedded in the sleeve, and a pin for connecting the handle is provided through the surface of the sleeve.

[0010] As a preferred implementation of the technical solution of the present application, a rubber sleeve is fixedly provided on the surface of the handle, and convex points are provided on the surface of the rubber sleeve.

[0011] As a preferred implementation of the technical solution of the present application, a lifting ring is provided at one end of the screw away from the nut three.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The technical solution of the present application is to insert the entire device into the pipeline to be blocked, use the handle structure to rotate the sleeve rod and the socket wrench to rotate the nut one, so that the distance between gasket one and gasket two becomes smaller, thereby squeezing and deforming the elastic sealing body, and blocking the pipeline with the deformed elastic sealing body, thereby realizing pressure blocking of the gas pipeline, and the sleeve rod can be removed as a whole, which is convenient for installing a branch valve at the pipeline modification site. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a three-dimensional diagram of a gas pipeline pressure plugging device of the utility model;

[0016] Figure 2 It is a front view of a gas pipeline pressure plugging device according to the utility model.

[0017] In the figure: 1. sleeve rod; 2. screw rod; 3. lifting ring; 4. handle structure; 401. handle; 402. sleeve; 403. latch; 5. socket wrench; 6. nut one; 7. gasket one; 8. elastic sealing body; 9. gasket two; 10. nut two; 11. spring; 12. nut three. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Embodiment 1, as Figure 1-2 As shown, the utility model provides a technical solution: a gas pipeline pressure plugging device, including a screw rod 2, a sleeve rod 1 and an elastic plugging body 8, the bottom of the screw rod 2 is provided with a nut 6, a gasket 7, an elastic plugging body 8, a gasket 9, a nut 10, a spring 11 and a nut 12 in sequence from top to bottom, a socket wrench 5 for rotating the nut 6 is integrally formed at the bottom of the sleeve rod 1, and handle structures 4 for rotating the sleeve rod 1 are provided on both sides of the top of the sleeve rod 1.

[0020] In a specific embodiment of the present invention, the top end of the screw rod 2 and the lifting ring 3 are installed in a threaded connection manner, and the order of assembling the device is: rotate the nut 6 upward from the bottom end of the screw rod 2 to install it, after the nut 6 is in place, install the gasket 7, elastic sealing body 8, gasket 2 9 and nut 2 10 from the bottom end of the screw rod 2 upward in sequence, the nut 2 10 cooperates with the gasket 2 9 to limit the position of the elastic sealing body 8, and then install the spring 11 and nut 3 12 from the bottom end of the screw rod 2 upward, rotate the nut 3 12 to make the spring 11 in a compressed state, and the two ends of the spring 11 respectively apply pressure to the nut 2 10 and the nut 3 12, thereby preventing the nut 2 10 and the nut 3 12 from loosening, install the sleeve rod 1 downward from the top end of the screw rod 2, and the socket wrench 5 faces the nut 1 6, and finally install the lifting ring 3 threadedly on the top end of the screw rod 2.

[0021] In the preferred technical solution, a through hole is opened in the middle of the elastic sealing body 8, and the elastic sealing body 8 is sleeved on the outside of the screw 2. The elastic sealing body 8 is silicone rubber, which has good high temperature resistance and can withstand high temperatures in the range of -40 degrees Celsius to about 250 degrees Celsius.

[0022] In the preferred technical solution, the outer dimensions of gasket 1 7 and gasket 2 9 are consistent, the outer dimensions of nut 1 6, nut 2 10 and nut 3 12 are consistent, and the outer diameters of gasket 1 7 and gasket 2 9 are consistent with the outer diameter of the elastic sealing body 8 in a natural state, ensuring that the outer diameter of the gasket can be reduced as much as possible under the premise of limiting the position of the elastic sealing body 8.

[0023] In the preferred technical solution, the maximum width of nut 1 6 , nut 2 10 and nut 3 12 is 30 mm smaller than the outer diameter of gasket 1 7 , ensuring that nut 1 6 can push gasket 1 7 to move and nut 2 10 can resist gasket 2 9 .

[0024] In the preferred technical solution, the handle structure 4 includes a sleeve 402 vertically fixed to the outside of the sleeve rod 1, a handle 401 is embedded inside the sleeve 402, and a pin 403 for connecting the handle 401 is provided through the surface of the sleeve 402. The handle 401 can be separated by removing the pin 403, so that the maximum width of the sleeve rod 1 is reduced, which is convenient for storage and transportation.

[0025] In the preferred technical solution, a rubber sleeve is fixedly provided on the surface of the handle 401, and convex points are provided on the surface of the rubber sleeve. The rubber sleeve can increase the friction between the handle 401 and the hand.

[0026] In the preferred technical solution, a lifting ring 3 is provided at one end of the screw rod 2 which is away from the nut 3 12 , and the lifting ring 3 facilitates the rapid removal of the screw rod 2 .

[0027] Working principle: by inserting the sleeve rod 1 and the screw rod 2 as a whole into the inside of the pipe to be blocked, using the handle structure 4 to rotate the sleeve rod 1 and relying on the socket wrench 5 to rotate the nut 6, the distance between the gasket 7 and the gasket 2 9 becomes smaller, and the elastic sealing body 8 is squeezed and deformed to make the outer diameter larger, thereby sealing the inside of the pipe, then dismantling the lifting ring 3, pulling out the sleeve rod 1 as a whole, opening the valve body, and the valve core of the valve body is installed at the pipe mouth through the screw rod 2. After the valve body is installed at the pipe mouth, the sleeve rod 1 is installed on the outside of the screw rod 2 and the nut 6 is rotated in the opposite direction, so that the distance between the gasket 7 and the gasket 2 9 becomes larger, and the elastic sealing body 8 returns to its original state, and then quickly pulls out the sleeve rod 1 and the screw rod 2 as a whole, and finally closes the valve body. At this time, the pipeline pressure transformation work is completed.

Claims

1. A gas pipeline pressure plugging device, characterized in that: It comprises a screw rod (2), a sleeve rod (1) and an elastic blocking body (8), wherein the bottom of the screw rod (2) is provided with a nut 1 (6), a gasket 1 (7), an elastic blocking body (8), a gasket 2 (9), a nut 2 (10), a spring (11) and a nut 3 (12) in sequence from top to bottom; The bottom of the sleeve rod (1) is integrally formed with a socket wrench (5) for rotating a nut (6); Handle structures (4) for rotating the sleeve rod (1) are provided on both sides of the top of the sleeve rod (1).

2. A gas pipeline pressure plugging device according to claim 1, characterized in that: A through hole is provided in the middle of the elastic sealing body (8), the elastic sealing body (8) is sleeved on the outside of the screw rod (2), and the elastic sealing body (8) is made of silicone rubber.

3. A gas pipeline pressure plugging device according to claim 1, characterized in that: The outer dimensions of the gasket 1 (7) and the gasket 2 (9) are consistent, the outer dimensions of the nut 1 (6), the nut 2 (10) and the nut 3 (12) are consistent, and the outer diameters of the gasket 1 (7) and the gasket 2 (9) are consistent with the outer diameter of the elastic sealing body (8) in a natural state.

4. A gas pipeline pressure plugging device according to claim 3, characterized in that: The maximum widths of the nut 1 (6), the nut 2 (10) and the nut 3 (12) are all 30 mm smaller than the outer diameter of the gasket 1 (7).

5. The gas pipeline pressure plugging device according to claim 1 is characterized in that: The handle structure (4) comprises a sleeve (402) vertically fixed to the outside of the sleeve rod (1), a handle (401) is embedded in the sleeve (402), and a latch (403) for connecting the handle (401) is provided through the surface of the sleeve (402).

6. A gas pipeline pressure plugging device according to claim 5, characterized in that: A rubber sleeve is fixedly arranged on the surface of the handle (401), and convex points are arranged on the surface of the rubber sleeve.

7. The gas pipeline pressure plugging device according to claim 1 is characterized by: A lifting ring (3) is provided at one end of the screw rod (2) away from the nut three (12).

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