CN217843502U - Main pipeline of gas pipeline valve chamber - Google Patents

Abstract

The utility model relates to a gas transmission pipeline technical field, and disclose a gas transmission pipeline valve room trunk line way, including the pipeline body with install the block valve in pipeline body upper reaches, there is step motor at the top of block valve through support fixed mounting, step motor's output and the valve rod coaxial coupling of block valve, the low reaches position department of pipeline body is provided with hollow structure's pressure cell, and the intercommunication has the L type pipe corresponding with the pressure cell on the pipeline body, install butt joint intercommunication subassembly between L type pipe and the pressure cell, and install the valve that matches on the L type pipe, pressure cell internally mounted has the accuse electric mechanism that is used for putting through the step motor power. The utility model discloses make gas transmission trunk line pipeline can block automatically after taking place to damage the leakage, have good promptness to can effectively reduce the potential safety hazard because of the pipeline leaks and brings.

Description

Main pipeline of gas pipeline valve chamber

Technical Field

The utility model relates to a gas transmission pipeline technical field especially relates to a gas transmission pipeline valve room trunk line pipeline.

Background

The gas transmission pipeline is mainly used for transmitting natural gas, liquefied petroleum gas and artificial gas. In long-distance transportation, the gas transmission pipeline is specially used for transmitting natural gas media, and in cities and towns, the gas transmission pipeline is used for transmitting media such as natural gas, liquefied petroleum gas, artificial gas and the like.

Gas transmission main line pipeline need in time cut off after causing the pipeline to reveal because of reasons such as third party destruction, construction quality, avoids appearing the potential safety hazard, and among the prior art, gas transmission main line pipeline can't in time cut off the pipeline after taking place to damage, needs the manual control to carry out the valve to the manual work and closes, if close untimely, not only easily cause the wasting of resources, the incident appears in addition easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a main pipeline of a gas transmission pipeline valve chamber.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gas transmission pipeline valve room trunk line pipeline, includes the pipeline body and installs the shut-off valve at pipeline body upper reaches, there is step motor at the top of shut-off valve through support fixed mounting, step motor's output and the valve rod coaxial coupling of shut-off valve, the low reaches position department of pipeline body is provided with hollow structure's pressure cell, and the intercommunication has the L type pipe corresponding with the pressure cell on the pipeline body, install butt joint intercommunication subassembly between L type pipe and the pressure cell, and install the valve that matches on the L type pipe, the accuse electric mechanism that is used for putting through the step motor power is installed to the inside of pressure cell.

Preferably, accuse electric mechanism is including installing the fixed plate in the pressure cell, it runs through and is provided with U type post to slide on the fixed plate, the both ends of U type post are connected with jointly with the pressure cell inner chamber assorted piston, symmetrical connection has the spring that the cover was established on U type post between piston and the fixed plate, the fixed plate is kept away from one side of piston and is installed the stationary contact, install the movable contact corresponding with the stationary contact on the U type post.

Preferably, the butt joint communicating component comprises a butt joint pipe communicated with the pressure box, the butt joint pipe is inserted into the L-shaped pipe, a matched sealing ring is arranged between the butt joint pipe and the L-shaped pipe, an external thread is arranged on the outer pipe wall of the end part of the L-shaped pipe, a matched threaded sleeve is sleeved on the L-shaped pipe in a threaded manner, a ball bearing is arranged in the threaded sleeve, and the ball bearing is sleeved on the butt joint pipe.

Preferably, the outer pipe wall of the pipeline body is uniformly coated with an anticorrosive coating.

Preferably, the bottom of the pressure box is provided with an arc-shaped part which is used for being attached to the pipeline body.

Preferably, a positioning column is installed at the center of one side, close to the piston, of the fixing plate, and the other end of the positioning column is attached to the piston.

Compared with the prior art, the utility model provides a gas transmission pipeline valve room trunk line pipeline possesses following beneficial effect:

1. this gas transmission pipeline valve room trunk line pipeline, through setting up the pipeline body, the shut-off valve, step motor, the pressure cell, L type pipe and accuse electric mechanism, L type pipe makes things convenient for the pressure cell to be linked together with the pipeline body, thereby make pressure cell and pipeline body internal pressure keep unanimous, when the pipeline body takes place to damage loses heart, the automatic switch-on of accuse electric mechanism in the pressure cell controls the power of step motor motion, make step motor drive the valve rod rotation of shut-off valve, thereby be convenient for in time cut off the pipeline body, the potential safety hazard appears in the avoidance of the greatest extent.

2. This gas transmission pipeline valve room trunk line pipeline through setting up pressure cell, L type pipe, butt joint intercommunication subassembly and valve, closes the convenient disconnection intercommunication relation between L type pipe and the pipeline body of valve, and the butt joint intercommunication subassembly makes things convenient for separating between pressure cell and the L type pipe to the convenience is demolishd the pressure cell as required, maintains its inside accuse electricity mechanism.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make gas transmission trunk line pipeline can cut automatically after the emergence damages the leakage, have good promptness to can effectively reduce the potential safety hazard because of the pipeline leaks and bring.

Drawings

Fig. 1 is a schematic structural view of a main pipeline of a valve chamber of a gas pipeline provided by the present invention;

FIG. 2 is a perspective view of the pressure cell of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a pipe body; 2. a shut-off valve; 3. a stepping motor; 4. a pressure cell; 5. an L-shaped pipe; 6. a valve; 7. a fixing plate; 8. a U-shaped column; 9. a piston; 10. a spring; 11. a stationary contact; 12. a movable contact; 13. butt-joint pipes; 14. a seal ring; 15. a threaded sleeve; 16. a ball bearing; 17. an anti-corrosion coating; 18. an arcuate portion; 19. and a positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a gas transmission pipeline valve chamber trunk line pipeline, including pipeline body 1 and install the block valve 2 at pipeline body 1 upper reaches, conveniently cut pipeline body 1, evenly coat has anticorrosive coating 17 on the outer pipe wall of pipeline body 1, avoid pipeline body 1 corrosion damage as far as possible, there is step motor 3 at the top of block valve 2 through support fixed mounting, step motor 3's output and block valve 2's valve rod coaxial coupling, be convenient for drive valve rod rotation and close block valve 2, pipeline body 1's low reaches position department is provided with hollow structure's pressure cell 4, the bottom of pressure cell 4 is provided with the arc portion 18 that is used for with the laminating of pipeline body 1, make things convenient for pressure cell 4 and the laminating of pipeline body 1, improve the stability of installation.

Referring to fig. 1 and 3, an L-shaped pipe 5 corresponding to a pressure box 4 is communicated with a pipeline body 1, a matched valve 6 is installed on the L-shaped pipe 5, the valve 6 is closed to conveniently cut off the L-shaped pipe 5, and a butt joint communication assembly is installed between the L-shaped pipe 5 and the pressure box 4 and comprises a butt joint pipe 13 communicated with the pressure box 4, the butt joint pipe 13 is inserted into the L-shaped pipe 5, and a matched sealing ring 14 is installed between the butt joint pipe 13 and the L-shaped pipe 5 to ensure the butt joint tightness between the butt joint pipe 13 and the L-shaped pipe 5;

be provided with the external screw thread on the outer pipe wall of L type pipe 5 tip, and the screw thread has cup jointed the threaded sleeve 15 that matches on the L type pipe 5, install ball bearing 16 in the threaded sleeve 15, ball bearing 16 suit sets up on interfacing pipe 13, rotates threaded sleeve 15 and makes it separate with L type pipe 5, and cooperation ball bearing 16 is convenient for drive interfacing pipe 13 and the separation of L type pipe 5 to the convenience is maintained pressure cell 4.

Referring to fig. 1 and 3, an electric control mechanism for connecting a power supply of the stepping motor 3 is installed inside the pressure box 4, the electric control mechanism comprises a fixing plate 7 installed inside the pressure box 4, a U-shaped column 8 is arranged on the fixing plate 7 in a sliding penetrating mode, two ends of the U-shaped column 8 are jointly connected with a piston 9 matched with an inner cavity of the pressure box 4, pressure generated after the pressure box 4 is communicated with the pipeline body 1 is convenient for pushing the piston 9 to move, springs 10 sleeved on the U-shaped column 8 are symmetrically connected between the piston 9 and the fixing plate 7, and the springs 10 can be in a compressed state after the piston 9 under the action of the pressure moves;

the center of one side of the fixed plate 7 close to the piston 9 is provided with a positioning column 19, the other end of the positioning column 19 is attached to the piston 9, the piston 9 is limited conveniently, the piston 9 is prevented from being damaged due to over compression of the spring 10 as much as possible, one side of the fixed plate 7 far away from the piston 9 is provided with a static contact 11, a movable contact 12 corresponding to the static contact 11 is arranged on the U-shaped column 8, the internal pressure of the pressure box 4 is reduced suddenly or even disappears due to damage and leakage of the pipeline main body 1, the spring 10 automatically drives the piston to reset, and the movable contact 12 is attached to the static contact 11 so as to switch on a power supply for controlling the stepping motor 3.

The working principle is as follows: open valve 6 on the L type pipe 5 and make pressure cell 4 and pipeline body 1 intercommunication, make piston 9 pressurized back motion and compression spring 10, take place to damage the leakage and can lead to pressure cell 4 internal pressure sharply diminish or even disappear when pipeline body 1, spring 10 will drive piston 9 and reset this moment, and drive movable contact 12 on the U type post 8 and the stationary contact 11 laminating on the fixed plate 7, thereby automatic switch-on step motor 3's power, make it drive the valve rod and rotate and in time close off cut-off valve 2, close valve 6 on the L type pipe 5, rotate threaded sleeve 15 and make it separate with L type pipe 5, cooperation ball bearing 16 drives butt joint pipe 13 and the separation of L type pipe 5, thereby can dismantle pressure cell 4 and get off and maintain.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a gas transmission pipeline valve room trunk line pipeline, includes the pipeline body and installs the block valve in the pipeline body upper reaches, its characterized in that, the top of block valve has step motor through support fixed mounting, step motor's output and the valve rod coaxial coupling of block valve, the low reaches position department of pipeline body is provided with hollow structure's pressure cell, and the intercommunication has the L type pipe corresponding with the pressure cell on the pipeline body, install butt joint intercommunication subassembly between L type pipe and the pressure cell, and install the valve that matches on the L type pipe, the inside accuse electric mechanism that is used for putting through the step motor power of installing of pressure cell.

2. The main pipeline of the valve chamber of the gas pipeline as claimed in claim 1, wherein the electric control mechanism comprises a fixing plate installed in the pressure box, a U-shaped column is slidably disposed through the fixing plate, two ends of the U-shaped column are commonly connected with a piston matching with an inner cavity of the pressure box, a spring sleeved on the U-shaped column is symmetrically connected between the piston and the fixing plate, a stationary contact is installed on one side of the fixing plate away from the piston, and a movable contact corresponding to the stationary contact is installed on the U-shaped column.

3. The main pipeline of the gas transmission pipeline valve chamber according to claim 1, wherein the butt joint communication assembly comprises a butt joint pipe communicated with the pressure box, the butt joint pipe is inserted into the L-shaped pipe, a matched sealing ring is installed between the butt joint pipe and the L-shaped pipe, an external thread is arranged on the outer pipe wall of the end portion of the L-shaped pipe, a matched threaded sleeve is sleeved on the L-shaped pipe in a threaded mode, a ball bearing is installed in the threaded sleeve, and the ball bearing is sleeved on the butt joint pipe.

4. The main pipeline of the valve chamber of the gas pipeline as claimed in claim 1, wherein the outer pipe wall of the pipeline body is uniformly coated with an anticorrosive coating.

5. The main conduit of a gas transmission conduit valve chamber according to claim 1, wherein the bottom of the pressure cell is provided with an arcuate portion for engaging the conduit body.

6. The main conduit of the valve chamber of the gas transmission conduit of claim 2, wherein a positioning pillar is installed at the center of one side of the fixing plate close to the piston, and the other end of the positioning pillar is attached to the piston.

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