CN210424160U

CN210424160U - Natural gas line plugging device

Info

Publication number: CN210424160U
Application number: CN201921240371.1U
Authority: CN
Inventors: 吴学文; 周敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-28
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to the technical field of pipeline plugging devices, in particular to a natural gas pipeline plugging device, which comprises a clamping pipe, wherein an outer wall of the clamping pipe is provided with an extension ring, an outer annular surface of the extension ring is provided with a support plate, the surface of the extension ring is provided with a fixing ring, the surface of the fixing ring is screwed with an adjusting screw rod, the end surface of the adjusting screw rod is provided with a screw rod, the screw rod penetrates through the surface of the support plate, the outer side of the clamping pipe is sleeved with an extension pipe, the end part of the extension pipe is provided with a pressure bearing head, and the outer wall of the extension; the beneficial effects are that: the utility model provides a natural gas line plugging device rotates the extension pipe and removes along pressing from both sides the pipe, promotes the pressure-bearing head butt joint inside the pipeline that needs the shutoff, and sealed pad extrusion plays sealed effect between pipeline and extension pipe, and the flange cooperation that the shutoff flange set up with the pipeline tip is connected, promotes sealed effect, and easy operation is convenient, the site of construction's of being convenient for quick assembly and disassembly.

Description

Natural gas line plugging device

Technical Field

The utility model relates to a pipeline plugging device technical field that is relevant specifically is a natural gas line plugging device.

Background

The method comprises the steps that pressure and leakage tests are required to be carried out on an installed pipeline section by section in the installation and laying process of the natural gas pipeline, the current common practice is to temporarily plug two ends of the natural gas pipeline through a plugging device, the pressure and leakage tests of the natural gas pipeline are carried out by adopting test equipment, and the pipeline plugging device is common plugging equipment;

in the prior art, the traditional pipeline plugging device is too complex in structure and is not beneficial to quick assembly and disassembly of equipment on a working site, and the traditional pipeline plugging device needs electric power for energy supply, so that the site is limited when in use; therefore, the efficiency of pipeline construction is affected; therefore, the utility model provides a natural gas line plugging device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas line plugging device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the natural gas pipeline plugging device comprises a clamping pipe, wherein an extension ring is arranged on the outer wall of the clamping pipe, an extension plate is arranged on the outer annular surface of the extension ring, a fixing ring is arranged on the surface of the extension ring, an adjusting screw rod is screwed on the surface of the fixing ring, a screw rod is arranged on the end surface of the adjusting screw rod and penetrates through the surface of the extension plate, an extension pipe is sleeved on the outer side of the clamping pipe, a pressure bearing head is arranged at the end of the extension pipe, a sealing gasket is arranged on the outer wall of the extension pipe, a plugging flange is arranged on the outer wall of the extension pipe, and a handle is arranged on the outer wall of the clamping pipe.

Preferably, the clamping tube is of a circular tube-shaped structure, the extension ring is of a circular plate-shaped structure, the extension ring is located at the center of the long edge of the clamping tube, and the support plate is of a circular plate-shaped structure.

Preferably, solid fixed ring is ring plate structure, and solid fixed ring is provided with two, and two solid fixed rings are around extending ring symmetric distribution, and adjusting screw is "T" font circular cylinder structure, and adjusting screw is provided with a plurality ofly, and a plurality of adjusting screw arrange along solid fixed ring's arc surface and distribute.

Preferably, the extension pipe is of a circular pipe-shaped structure, internal threads are arranged on the inner annular surface of the extension pipe, external threads are arranged on the outer wall of the clamping pipe and are in fit connection with the internal threads, the extension pipe is provided with two groups, the two groups of extension pipes are symmetrically distributed relative to the extension ring, and the pressure-bearing head is of a hemispherical structure.

Preferably, the sealing gasket is of a circular ring structure, the outer ring surface of the sealing gasket is of a circular arc curved surface structure, the sealing gasket is provided with a plurality of sealing gaskets, and the sealing gaskets are distributed along the long edge of the extension pipe in an arrayed manner.

Preferably, the handle is in a plate-shaped structure like a Chinese character 'Contraband', the bending part of the handle is provided with a cutting angle, the handle is provided with a plurality of handles, and the plurality of handles are arranged on the outer wall of the extension pipe in a circumferential shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the natural gas pipeline plugging device provided by the utility model rotates the extension pipe to move along the pipe clamping, the pressure-bearing head is pushed to butt joint inside the pipeline to be plugged, the sealing gasket is extruded between the pipeline and the extension pipe to play a sealing role, and the plugging flange is matched and connected with the flange arranged at the end part of the pipeline, so that the sealing effect is improved, the operation is simple and convenient, and the quick assembly and disassembly of a construction site are convenient;

2. the utility model provides a natural gas line plugging device is connected with the extension board through epitaxial ring in the outside of pressing from both sides the pipe, and the extension board plays the supporting role to pressing from both sides the pipe to the adjusting screw who sets up on the fixed solid fixed ring on the epitaxial ring is convenient for release the extension board with the hob, realizes the fixed to the extension board.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the pipe clamping device comprises a clamping pipe 1, an extension ring 2, a support plate 3, a fixing ring 4, an adjusting screw rod 5, a screw rod 6, an extension pipe 7, a pressure bearing head 8, a sealing gasket 9, a sealing flange 10 and a handle 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a natural gas pipeline plugging device comprises a clamp pipe 1, an epitaxial ring 2 is welded on the outer wall of the clamp pipe 1, a support plate 3 is welded on the outer ring surface of the epitaxial ring 2, the clamp pipe 1 is of a circular pipe structure, the epitaxial ring 2 is of a circular plate structure, the epitaxial ring 2 is positioned at the center of the long edge of the clamp pipe 1, the support plate 3 is of a circular plate structure, a fixing ring 4 is welded on the surface of the epitaxial ring 2, an adjusting screw 5 is screwed on the surface of the fixing ring 4, the fixing ring 4 is of a circular plate structure, the fixing rings 4 are symmetrically distributed about the epitaxial ring 2, the adjusting screw 5 is of a T-shaped circular cylinder structure, the adjusting screw 5 is provided with a plurality of adjusting screws 5, the adjusting screws 5 are distributed along the arc surface of the fixing ring 4, a spiral rod 6 is welded on the end surface of the adjusting screw 5, the spiral rod 6 penetrates through the surface of the support plate 3, and the, then screwing the adjusting screw 5, pushing the screw rod 6 out of the support plate 3 and inserting the screw rod into the ground, so that the support plate 3 is fixed, and the support plate 3 is prevented from rolling on the ground;

an extension pipe 7 is sleeved on the outer side of a clamp pipe 1, a pressure bearing head 8 is welded at the end part of the extension pipe 7, the extension pipe 7 is of a circular pipe-shaped structure, internal threads are arranged on the inner annular surface of the extension pipe 7, external threads are arranged on the outer wall of the clamp pipe 1 and are matched and connected with the internal threads, two groups of extension pipes 7 are arranged on the extension pipe 7, the two groups of extension pipes 7 are symmetrically distributed relative to an extension ring 2, the pressure bearing head 8 is of a hemispherical structure, a handle 11 is held to rotate the extension pipe 7 to enable the extension pipe 7 to rotate and displace along the clamp pipe 1, in the process, the pressure bearing head 8 is butted inside a pipeline to be plugged, a sealing gasket 9 is bonded on the outer wall of the extension pipe 7, the sealing gasket 9 is of a circular ring-shaped structure, the outer ring of the sealing gasket 9 is of a circular arc-shaped curved surface structure, a plurality of, sealed pad 9 is extruded and is promoted the sealed effect of extension pipe 7 and pipeline between extension pipe 7 and the pipeline, the welding has shutoff flange 10 on the outer wall of extension pipe 7, extension pipe 7 rotates in the pipeline is inside, until shutoff flange 10 docks together with the flange that the pipeline terminal surface set up, and the welding has handle 11 on the outer wall of clamp pipe 1, handle 11 is "Contraband" font platelike structure, the department of buckling of handle 11 is provided with the corner cut, handle 11 is provided with a plurality ofly, a plurality of handle 11 are the circumference and arrange on the outer wall of extension pipe 7.

The working principle is as follows: during actual work, the support plate 3 is contacted with the ground to play a balance supporting role, then the adjusting screw rod 5 is screwed, the screw rod 6 is pushed out from the inside of the support plate 3 and inserted into the ground, the support plate 3 is fixed, the support plate 3 is prevented from rolling on the ground, then the handle 11 is held by hand to rotate the extension pipe 7, the extension pipe 7 is enabled to rotate and displace along the clamping pipe 1, in the process, the pressure-bearing head 8 is butted inside a pipeline to be blocked, the sealing gasket 9 enters the pipeline along with the extension pipe 7, the sealing gasket 9 is extruded between the extension pipe 7 and the pipeline to improve the sealing effect of the extension pipe 7 and the pipeline, the extension pipe 7 rotates inside the pipeline until the blocking flange 10 is butted with a flange arranged on the end face of the pipeline, the extension pipe 7 on the other side is butted in the pipeline to be blocked on the other side by the method, compared with the traditional pipeline blocking device, the device provided by the, and the quick loading and unloading at the site are convenient, and the limitation of energy supply of a driving device is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a natural gas line plugging device, includes double-layered pipe (1), its characterized in that: the outer wall of the clamp pipe (1) is provided with an extension ring (2), the outer ring surface of the extension ring (2) is provided with a support plate (3), the surface of the extension ring (2) is provided with a fixing ring (4), the surface of the fixing ring (4) is screwed with an adjusting screw rod (5), the end face of the adjusting screw rod (5) is provided with a screw rod (6), the screw rod (6) penetrates through the plate surface of the support plate (3) to be arranged, the outer side of the clamp pipe (1) is sleeved with an extension pipe (7), the end part of the extension pipe (7) is provided with a pressure bearing head (8), the outer wall of the extension pipe (7) is provided with a sealing gasket (9), the outer wall of the extension pipe (7) is provided with a sealing flange (10), and the outer wall of the clamp pipe (1) is.

2. The natural gas pipeline plugging device according to claim 1, wherein: the clamp tube (1) is of a circular tube-shaped structure, the epitaxial ring (2) is of a circular plate-shaped structure, the epitaxial ring (2) is located at the center of the long edge of the clamp tube (1), and the support plate (3) is of a circular plate-shaped structure.

3. The natural gas pipeline plugging device according to claim 1, wherein: the fixing ring (4) is of a circular ring plate-shaped structure, the fixing rings (4) are provided with two, the two fixing rings (4) are symmetrically distributed about the extension ring (2), the adjusting screw rods (5) are of T-shaped circular cylinder structures, the adjusting screw rods (5) are provided with a plurality of adjusting screw rods, and the plurality of adjusting screw rods (5) are distributed along the arc surfaces of the fixing rings (4).

4. The natural gas pipeline plugging device according to claim 1, wherein: the extension pipe (7) is of a round pipe structure, internal threads are arranged on the inner ring surface of the extension pipe (7), external threads are arranged on the outer wall of the clamping pipe (1) and are connected with the internal threads in a matched mode, the extension pipe (7) is provided with two groups, the two groups of extension pipes (7) are symmetrically distributed about the extension ring (2), and the pressure bearing head (8) is of a hemispherical structure.

5. The natural gas pipeline plugging device according to claim 1, wherein: the sealing gasket (9) is of a circular ring structure, the outer ring surface of the sealing gasket (9) is of a circular arc-shaped curved surface structure, the sealing gasket (9) is provided with a plurality of sealing gaskets, and the sealing gaskets (9) are distributed along the long edge of the extension pipe (7).

6. The natural gas pipeline plugging device according to claim 1, wherein: the handle (11) is in a plate-shaped structure like the Chinese character 'Contraband', the bending part of the handle (11) is provided with a cutting angle, the number of the handles (11) is multiple, and the plurality of the handles (11) are arranged on the outer wall of the extension pipe (7) in a circumferential shape.