CN215998896U

CN215998896U - Pipeline cutting shutoff integrated device

Info

Publication number: CN215998896U
Application number: CN202122099744.1U
Authority: CN
Inventors: 林旭东; 岳大飞; 刘成军
Original assignee: Nanjing Guohao Home Decoration Design Co ltd
Current assignee: Nanjing Guohao Home Decoration Design Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-11
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a pipeline cutting and plugging integrated device, which comprises a main cylinder body with an opening at one end, a side cylinder body, a first driving mechanism, a cutting piece, a second driving mechanism and a plugging piece, wherein the side cylinder body is arranged on the side wall of the main cylinder body, and the inner cavity of the side cylinder body is communicated with the inner cavity of the main cylinder body; the cutting part is positioned in the main cylinder body and is connected with a first driving mechanism, and the first driving mechanism is used for driving the cutting part to move along the axial direction of the main cylinder body; the plugging piece is connected with a second driving mechanism, and the second driving mechanism is used for driving the plugging piece to enter the main cylinder body from the side cylinder body and move along the axial direction of the main cylinder body. The utility model discloses pipeline cutting shutoff integrated device collects cutting trompil and shutoff in an organic whole, need not to change instrument, convenient operation in the work progress.

Description

Pipeline cutting shutoff integrated device

Technical Field

The utility model belongs to the technical field of the pipeline shutoff, particularly, relate to a pipeline cutting shutoff integrated device.

Background

Oil, gas and water pipelines need to be maintained or replaced due to the service life or artificial damage, and when a certain section of pipeline is maintained or replaced on a normally used pipeline, construction is carried out in a stopping conveying mode. However, the stop of transportation construction causes inconvenience to the life of the user and even economic loss to the user. The existing method for plugging pipelines without stopping transportation is to install two pairs of tee joints and a sandwich valve at two ends of a pipeline section to be maintained or replaced, wherein the two pairs of tee joints and the sandwich valve are close to a pair of tee joints of the pipeline section to be constructed, a cutting tapping machine is firstly installed to tap the pipeline, the sandwich valve is immediately closed after tapping, then the cutting tapping machine is dismounted, and a plugging device is installed to plug, so that oil, gas or water can not enter the pipeline section to be constructed any more. However, the existing cutting tapping machine and the existing plugging device are independent tools, the cutting tapping machine needs to be disassembled in the construction process, and then the plugging device needs to be installed, so that the operation is time-consuming and labor-consuming.

Disclosure of Invention

The utility model is not enough to the aforesaid, a pipeline cutting shutoff integrated device is provided, collection cutting trompil and shutoff in an organic whole, need not to change instrument, convenient operation in the work progress.

In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme:

the embodiment of the utility model provides a pipeline cutting shutoff integrated device, including main barrel, side barrel, first actuating mechanism, cutting member, second actuating mechanism and the shutoff piece that have one end opening, side barrel sets up the lateral wall at main barrel, and the inner chamber of side barrel communicates with each other with main barrel's inner chamber; the cutting part is positioned in the main cylinder body and is connected with a first driving mechanism, and the first driving mechanism is used for driving the cutting part to move along the axial direction of the main cylinder body; the plugging piece is connected with a second driving mechanism, and the second driving mechanism is used for driving the plugging piece to enter the main cylinder body from the side cylinder body and move along the axial direction of the main cylinder body.

As a further improvement of the embodiment of the present invention, the blocking member comprises a body having an inlet, a passage and an outlet which are sequentially communicated, the outlet being communicated with the inner cavity of the main cylinder; the free end of the side cylinder body is provided with a bypass pipe orifice communicated with the inner cavity of the side cylinder body.

As the embodiment of the utility model provides a further improvement, the body of shutoff piece is cylindrically, the bottom surface diameter of body and the diameter adaptation of pipeline.

As the embodiment of the utility model provides a further improvement, the body of shutoff piece is spherical, the diameter of body and the diameter adaptation of pipeline.

As a further improvement, the outer side of the body of the plugging piece is wrapped with an elastic sealing cap.

As the utility model discloses the further improvement of the embodiment, the body outside of shutoff piece is equipped with the gasbag, pipeline cutting shutoff integrated device still includes the inflation pump, the inflation pump passes through the trachea with the gasbag and is connected.

Compared with the prior art, the technical scheme of the utility model following beneficial effect has: the utility model provides a pipeline cutting shutoff integrated device, first actuating mechanism drive cutting piece removes to the opening along the axial of main barrel body in the main barrel body, stretches out the cutting pipeline from the opening of main barrel body and forms the tube hole, and first actuating mechanism drive cutting piece removes to opposite direction and resets, and second actuating mechanism drive shutoff piece gets into the main barrel body in the other barrel body to axial along the main barrel body removes to the opening, stretches out the shutoff tube hole from the opening of main barrel body. The utility model discloses pipeline cutting shutoff integrated device collects cutting trompil and shutoff in an organic whole, need not the change instrument in the work progress, convenient operation.

Drawings

Fig. 1 is the utility model discloses pipeline cutting shutoff integrated device's of embodiment structural schematic diagram.

In the figure, a main cylinder 11, a side cylinder 12, a first driving mechanism 13, a cutting member 14, a second driving mechanism 15 and a blocking member 16.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

The embodiment of the utility model provides a pipeline cutting shutoff integrated device, as shown in fig. 1, including having one end open-ended main barrel 11, other barrel 12, first actuating mechanism 13, cutting member 14, second actuating mechanism 15 and shutoff piece 16, other barrel 12 sets up the lateral wall at main barrel 11, and the inner chamber of other barrel 12 communicates with each other with main barrel 11's inner chamber. The cutting part 14 is located in the main cylinder 11, the cutting part 14 is connected with the first driving mechanism 13, and the first driving mechanism 13 is used for driving the cutting part 14 to move along the axial direction of the main cylinder 11. The first driving mechanism 13 may be an air cylinder or a screw transmission mechanism. The plugging piece 16 is positioned in the side cylinder body 12, the plugging piece 16 is connected with the second driving mechanism 15, and the second driving mechanism 15 is used for driving the plugging piece 16 to enter the main cylinder body 11 from the side cylinder body 12 and move along the axial direction of the main cylinder body 11. The second drive means 15 may be a gear drive which is connected to the closure 16 by means of a hose or a cable.

In the pipe cutting and plugging integrated device of the above embodiment, when in use, the first driving mechanism 13 drives the cutting member 14 to move towards the opening in the main cylinder 11 along the axial direction of the main cylinder 11, and the cutting pipe extends out of the opening of the main cylinder 11 to form a pipe hole. After the hole is opened, the first driving mechanism 13 drives the cutting member 14 to move in the opposite direction for resetting. The second driving mechanism 15 drives the plugging piece 16 to enter the main cylinder 11 from the side cylinder 12 and move towards the opening along the axial direction of the main cylinder 11, and the plugging pipe hole is protruded from the opening of the main cylinder 11. The utility model discloses pipeline cutting shutoff integrated device collects cutting trompil and shutoff in an organic whole, need not the change instrument in the work progress, convenient operation.

Two pairs of pipe holes are required to be formed at two ends of a pipeline section to be constructed, one pair of pipe holes close to the pipeline are used for plugging, and one pair of pipe holes positioned on the outer side are used for connecting a temporary bypass pipe, so that oil, gas or water is communicated and conveyed from the temporary bypass pipe. And after construction, sealing the four opened pipe holes. However, this method requires four holes in the good pipe, increasing the risk of leakage and damage to the pipe. Preferably, the blocking member 16 comprises a body having an inlet, a passage and an outlet in communication with the inner cavity of the main cylinder 11. The free end of the side cylinder body 12 is provided with a bypass pipe orifice 121 communicated with the inner cavity of the side cylinder body 12.

In this embodiment, the body of the plugging member 16 has an inlet, a channel and an outlet which are sequentially communicated, so that water, oil or gas in the pipeline is guided to flow into the inner cavity of the main cylinder 11 and flows into the temporary bypass pipe from the bypass cylinder 12 and the bypass pipe opening 121 in a secondary mode, and the water, oil or gas in the pipeline is prevented from flowing into the pipeline section to be constructed. This embodiment only needs respectively to set up a tube hole at the both ends of waiting to be under construction the pipeline section, still drains interim bypass pipe when carrying out the shutoff through same tube hole, reduces pipeline trompil quantity, reduces pipeline leakage risk.

Wherein the body of the block piece 16 may be cylindrical, and the diameter of the bottom surface of the body is adapted to the diameter of the pipe. The inlet is arranged at one end of the cylindrical body, and the opening is arranged on the side surface of the cylindrical body. The body is the same with the pipeline shape, and during the shutoff, the axis of body and the axis coincidence of pipeline for the periphery of body can closely laminate with the pipeline, has better shutoff effect. The body of the block piece 16 may also be spherical, the diameter of the body fitting the diameter of the pipe.

Preferably, the body of the closure 16 is externally wrapped with an elastomeric sealing cap. The elastic sealing cap wrapped outside the body can seal the gap between the outer wall of the body and the inner wall of the pipeline, and the plugging effect is improved.

Preferably, the body outside of shutoff piece 16 is equipped with the gasbag, and the pipeline cutting shutoff integrated device of this embodiment still includes the inflation pump, and inflation pump and gasbag pass through the trachea and be connected. During plugging, the body enters the pipeline, and the inflation and deflation pump inflates the air bag, so that the air bag fills a gap between the body and the pipeline, and the plugging effect is improved. After the pipeline section is maintained, the inflation and deflation pump deflates the air bag, and the body is moved out of the pipeline under the driving of the second driving mechanism.

The embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. The pipeline cutting and plugging integrated device is characterized by comprising a main cylinder body (11) with an opening at one end, a side cylinder body (12), a first driving mechanism (13), a cutting piece (14), a second driving mechanism (15) and a plugging piece (16), wherein the side cylinder body (12) is arranged on the side wall of the main cylinder body (11), and the inner cavity of the side cylinder body (12) is communicated with the inner cavity of the main cylinder body (11); the cutting part (14) is positioned in the main cylinder body (11), the cutting part (14) is connected with a first driving mechanism (13), and the first driving mechanism (13) is used for driving the cutting part (14) to move along the axial direction of the main cylinder body (11); the blocking piece (16) is connected with a second driving mechanism (15), and the second driving mechanism (15) is used for driving the blocking piece (16) to enter the main cylinder body (11) from the side cylinder body (12) and move along the axial direction of the main cylinder body (11).

2. The integrated pipe cutting and plugging device according to claim 1, wherein the plugging piece (16) comprises a body, the body is provided with an inlet, a channel and an outlet which are communicated in sequence, and the outlet is communicated with the inner cavity of the main cylinder body (11); the free end of the side cylinder body (12) is provided with a bypass pipe orifice communicated with the inner cavity of the side cylinder body (12).

3. The integrated pipe cutting and plugging device according to claim 1, wherein the body of the plugging member (16) is cylindrical, and the diameter of the bottom surface of the body is matched with the diameter of the pipe.

4. Integrated pipe cutting and plugging device according to claim 1, wherein the body of said plugging member (16) is spherical, the diameter of the body being adapted to the diameter of the pipe.

5. The integrated pipe cutting and plugging device according to claim 1, wherein the body of said plugging member (16) is wrapped with an elastic sealing cap.

6. The pipeline cutting and plugging integrated device according to claim 1, wherein an air bag is arranged on the outer side of the body of the plugging piece (16), and the pipeline cutting and plugging integrated device further comprises an air inflation pump, and the air inflation pump is connected with the air bag through an air pipe.