CN216743436U

CN216743436U - Natural gas line cathodic protection earthing device

Info

Publication number: CN216743436U
Application number: CN202220256019.2U
Authority: CN
Inventors: 魏鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-06-14
Anticipated expiration: 2032-02-08

Abstract

The utility model provides a natural gas pipeline cathode protection grounding device, which belongs to the technical field of natural gas pipeline cathode protection and comprises a pre-buried pipe, wherein one end of the pre-buried pipe is movably provided with a sleeve pipe, one end of the sleeve pipe is fixedly provided with a connecting pipe, one end of the outer side surface of the pre-buried pipe is fixedly provided with a first connecting block, one end of the outer side surface of the connecting pipe is fixedly provided with a second connecting block, a threaded rod is fixedly arranged inside the first connecting block, the left side and the right side of the outer side surface of the first connecting block are respectively and fixedly provided with a supporting telescopic rod, the device can open the telescopic rod through the arrangement of the telescopic rod and the fixed rod, the contact area between the telescopic rod and soil is increased by matching with the fixed rod, the telescopic rod can be contracted when being pulled out, so that the telescopic rod is convenient to remove or replace, and the height of the telescopic rod, the second connecting block and the sleeve pipe are convenient to adjust, the sealing device is convenient to mount and dismount, and the air groove and the sealing ring are arranged, so that the sealing performance is better.

Description

Natural gas line cathodic protection earthing device

Technical Field

The utility model belongs to the technical field of natural gas pipeline cathode protection, and particularly relates to a natural gas pipeline cathode protection grounding device.

Background

The natural gas pipeline cathode protection grounding device is used for isolating and protecting the natural gas pipeline cathode from the outside, at present, steel pipelines are used for long-distance petroleum transportation in China, and the pipeline layer must be subjected to forced negative protection in the process of pipeline laying so as to prevent corrosion and reduce the service life;

chinese utility model patent publication No. CN212505075U discloses a natural gas pipeline cathode protection grounding device in the technical field of natural gas pipeline cathode protection grounding devices, the top outer edge of the mount pad is provided with an inserting channel, the top center of the mount pad is provided with a threaded channel, the bottom rear outer edge of the top pipe is fixedly welded with an inserting plate matched with the inserting channel, the bottom center of the top pipe is fixedly welded with a bearing seat, the bottom end of the bearing seat is movably assembled with a support rod, the bottom end of the support rod is fixedly assembled with an adjusting plate, the bottom center of the adjusting plate is fixedly provided with an adjusting screw matched with the threaded channel, the front side wall of the top pipe is provided with a detection port, the outside of the detection port is fixedly assembled with a transparent glass plate through a fastening bolt, the assembly of the transparent glass plate and the detection port is nested with a sealing rubber sleeve, can change the distance between push pipe and the mount pad, and can realize short-term test, be convenient for installation and dismantlement between the structure.

Chinese utility model patent publication No. CN211146102U A gas pipeline cathode protection grounding device comprises a grounding ground, two groups of pre-buried positioning pipes and a grounding cathode are vertically embedded at the top of the grounding ground, the U-shaped protection end cover can protect the wiring plate body, prevent pressure from being transmitted to the wiring plate body, reduce the damage phenomenon of the wiring plate body and the grounding cathode due to the action of external pressure, enable the grounding cathode and the wiring plate body to be continuously conducted to the ground without being influenced by the external pressure, and reduce the electrochemical corrosion phenomenon between the natural gas pipeline and the external environment.

However, the existing natural gas pipeline cathode protection grounding device needs larger buried pits, is lower in erection efficiency, is inconvenient to remove or replace, is inconvenient to install or disassemble, and can cause the problems of poor sealing property and the like when being underground for a long time.

In order to overcome the defects, the utility model provides a natural gas pipeline cathode protection grounding device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a natural gas pipeline cathode protection grounding device, and aims to solve the problems that in the prior art, the erection efficiency is low, the removal or replacement is inconvenient, the installation or disassembly is inconvenient, the sealing performance is poor due to the fact that the grounding device is underground for a long time, and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: including the pre-buried pipe, the one end movable mounting of pre-buried pipe has the sleeve pipe, sheathed tube one end fixed mounting has the connecting pipe, the one end fixed mounting of pre-buried outside of tubes side has first connecting block, the one end fixed mounting of connecting pipe lateral surface has the second connecting block, the inside fixed mounting of first connecting block has the threaded rod, the equal fixed mounting in the left and right sides of first connecting block lateral surface has the support telescopic link, the top fixed connection of supporting the telescopic link is in the side of second connecting block.

Furthermore, a first flange plate is fixedly mounted at one end of the connecting pipe, a second flange plate is fixedly connected to one side face of the first flange plate through bolts, and a top pipe is fixedly mounted on one side face of the second flange plate.

Further, an air groove is formed in the first flange plate, and a sealing ring is fixedly mounted on the outer side surface of the air groove.

Further, the left side and the right side of the bottom of the embedded pipe are fixedly provided with telescopic rods, one end of each telescopic rod is fixedly provided with a fixed rod, and a bidirectional threaded rod is movably arranged inside each fixed rod.

Furthermore, the lateral surface fixed mounting of embedded pipe has servo motor, servo motor's output fixed mounting has the threaded rod.

Furthermore, a power device is fixedly installed on the outer side face of the embedded pipe, and a bidirectional threaded rod is fixedly connected inside the power device.

Furthermore, a valve core is fixedly mounted on the outer side surface of the first flange plate.

Furthermore, the outer side surfaces of the embedded pipe, the sleeve and the connecting pipe are all provided with anti-corrosion coatings.

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

1. this natural gas line cathodic protection earthing device, at first put the pre-buried pipe in burying the hole the inside, then open power device, power device drives two-way threaded rod and rotates, two-way threaded rod drives the dead lever when rotatory and removes, the dead lever makes the telescopic link prolong, then bury the bottom of pre-buried pipe, the device passes through power device, the cooperation setting of telescopic link and dead lever, can make the telescopic link open, the cooperation dead lever increases the area of contact with soil, need not great burying the hole, and can shrink the telescopic link when extracting, make it be convenient for remove or change.

2. The natural gas pipeline cathode protection grounding device is characterized in that a servo motor is started, the servo motor drives a threaded rod to rotate in a first connecting block, the threaded rod drives a second connecting block to move upwards, the second connecting block drives a supporting telescopic rod to extend, the height of a connecting pipe is adjusted through a sleeve, when the height is adjusted to a corresponding height, the connecting pipe is fixed through a first flange and a second flange, so that the top pipe and the connecting pipe are quickly fixed, after the fixing is completed, the air groove is inflated through a valve inside, a sealing ring is expanded through air pressure, a gap between the top pipe and the connecting pipe is sealed, the device is convenient to adjust the distance between a pre-buried pipe and the top pipe through the arrangement of the servo motor, the threaded rod, the second connecting block and the sleeve, the mounting and the dismounting of the device are convenient, and the sealing performance is better through the arrangement of the air groove and the sealing ring, prevent that the natural gas from revealing, the security is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of the point a in fig. 3 according to the present invention.

In the figure: 1. pre-burying a pipe; 2. a sleeve; 3. a connecting pipe; 4. a first connection block; 5. a second connecting block; 6. a threaded rod; 7. supporting the telescopic rod; 8. a first flange plate; 9. a second flange plate; 10. jacking pipes; 11. an air tank; 12. a seal ring; 13. a telescopic rod; 14. fixing the rod; 15. a bidirectional threaded rod; 16. a servo motor; 17. a power plant; 18. a valve core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: including buried pipe 1 in advance, buried pipe 1's one end movable mounting has sleeve pipe 2, the one end fixed mounting of sleeve pipe 2 has connecting pipe 3, the one end fixed mounting of 1 lateral surface of buried pipe has first connecting block 4, the one end fixed mounting of 3 lateral surfaces of connecting pipe has second connecting block 5, the inside fixed mounting of first connecting block 4 has threaded rod 6, the equal fixed mounting in the left and right sides of 4 lateral surfaces of first connecting block has support telescopic link 7, the top fixed connection in the side of second connecting block 5 of support telescopic link 7.

In the specific embodiment of the utility model, the threaded rod 6 rotates inside the first connecting block 4, the threaded rod 6 drives the second connecting block 5 to move upwards, the second connecting block 5 drives the supporting telescopic rod 7 to extend, the height of the connecting pipe 3 is adjusted through the sleeve 2, and the distance between the embedded pipe 1 and the top pipe 10 is conveniently adjusted through the arrangement of the servo motor 16, the threaded rod 6, the second connecting block 5 and the sleeve 2, so that the embedded pipe is convenient to mount and dismount.

Specifically, one end of the connecting pipe 3 is fixedly provided with a first flange 8, one side surface of the first flange 8 is fixedly connected with a second flange 9 through a bolt, and one side surface of the second flange 9 is fixedly provided with a top pipe 10.

In this embodiment: the top pipe 10 and the connecting pipe 3 are fixed by the first flange 8 and the second flange 9.

Specifically, an air groove 11 is formed inside the first flange 8, and a seal ring 12 is fixedly mounted on the outer side surface of the air groove 11.

In this embodiment: aerify in to air tank 11 through valve inside 18, sealing washer 12 is bloated to atmospheric pressure, seals up the gap between top tube 10 and the connecting pipe 3, makes the leakproofness better, prevents that the natural gas from revealing, and the security is strong.

Example 2

Compared with the embodiment 1, on the basis of the embodiment 1, the left side and the right side of the bottom of the embedded pipe 1 are fixedly provided with the telescopic rods 13, one end of each telescopic rod 13 is fixedly provided with the fixing rod 14, and the inside of each fixing rod 14 is movably provided with the bidirectional threaded rod 15.

In this embodiment: the bidirectional threaded rod 15 drives the fixing rod 14 to move when rotating, the fixing rod 14 enables the telescopic rod 13 to be extended, then the bottom of the embedded pipe 1 is buried, the device is arranged through the matching of the power device 17, the telescopic rod 13 and the fixing rod 14, the telescopic rod 7 can be opened, the contact area of the fixing rod 14 and soil is increased, a large buried pit is not needed, the telescopic rod 7 can be contracted when being pulled out, and the telescopic rod 7 is convenient to remove or replace.

Specifically, a servo motor 16 is fixedly installed on the outer side surface of the embedded pipe 1, and a threaded rod 6 is fixedly installed at the output end of the servo motor 16.

In this embodiment: and starting the servo motor 16, wherein the servo motor 16 drives the threaded rod 6 to rotate inside the first connecting block 4, and the servo motor 16 provides power for the rotation of the threaded rod 6.

Example 3

Compared with the embodiment 2, on the basis of the embodiment 2, the power device 17 is fixedly installed on the outer side surface of the embedded pipe 1, and the bidirectional threaded rod 15 is fixedly connected inside the power device 17.

In this embodiment: and starting the power device 17, driving the bidirectional threaded rod 15 to rotate by the power device 17, driving the fixing rod 14 to move by the bidirectional threaded rod 15 when the bidirectional threaded rod 15 rotates, and providing power for the rotation of the bidirectional threaded rod 15 by the power device 17.

Specifically, a valve core 18 is fixedly mounted on the outer side surface of the first flange 8.

In this embodiment: the air groove 11 is inflated by the valve core 18, and the seal ring 12 is inflated by the air pressure.

Specifically, the outer side surfaces of the embedded pipe 1, the sleeve 2 and the connecting pipe 3 are all provided with an anti-corrosion coating.

In this embodiment: the outer surface of which is provided with anti-corrosion properties by means of an anti-corrosion coating.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle and the using process of the utility model are as follows: when the natural gas pipeline cathode protection grounding device is used, firstly, a pre-buried pipe 1 is placed in a buried pit, then a power device 17 is started, the power device 17 drives a two-way threaded rod 15 to rotate, the two-way threaded rod 15 drives a fixing rod 14 to move when rotating, the fixing rod 14 enables a telescopic rod 13 to extend, then the bottom of the pre-buried pipe 1 is buried, then a servo motor 16 is started, the servo motor 16 drives a threaded rod 6 to rotate inside a first connecting block 4, the threaded rod 6 drives a second connecting block 5 to move upwards, the second connecting block 5 drives a supporting telescopic rod 7 to extend, the height of a connecting pipe 3 is adjusted through a sleeve 2, when the height is adjusted to a corresponding height, the connecting pipe 10 and the connecting pipe 3 are fixed quickly through a first flange 8 and a second flange 9, after the fixing is completed, air is inflated into an air groove 11 through a valve core 18, the air pressure bulges the packing 12 to seal the gap between the top pipe 10 and the connection pipe 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a natural gas line cathodic protection earthing device, includes buried pipe (1), its characterized in that: the one end movable mounting of pre-buried pipe (1) has sleeve pipe (2), the one end fixed mounting of sleeve pipe (2) has connecting pipe (3), the one end fixed mounting of pre-buried pipe (1) lateral surface has first connecting block (4), the one end fixed mounting of connecting pipe (3) lateral surface has second connecting block (5), the inside fixed mounting of first connecting block (4) has threaded rod (6), the equal fixed mounting in the left and right sides of first connecting block (4) lateral surface has support telescopic link (7), the top fixed connection of supporting telescopic link (7) is in the side of second connecting block (5).

2. The natural gas pipeline cathodic protection grounding device of claim 1, wherein: one end of the connecting pipe (3) is fixedly provided with a first flange plate (8), one side surface of the first flange plate (8) is fixedly connected with a second flange plate (9) through a bolt, and one side surface of the second flange plate (9) is fixedly provided with a jacking pipe (10).

3. The natural gas pipeline cathodic protection grounding device of claim 2, wherein: an air groove (11) is formed in the first flange plate (8), and a sealing ring (12) is fixedly mounted on the outer side surface of the air groove (11).

4. The natural gas pipeline cathodic protection grounding device of claim 1, wherein: the buried pipe is characterized in that telescopic rods (13) are fixedly mounted on the left side and the right side of the bottom of the buried pipe (1), a fixing rod (14) is fixedly mounted at one end of each telescopic rod (13), and a bidirectional threaded rod (15) is movably mounted inside each fixing rod (14).

5. The natural gas pipeline cathodic protection grounding device of claim 1, wherein: the outer side face of the embedded pipe (1) is fixedly provided with a servo motor (16), and the output end of the servo motor (16) is fixedly provided with a threaded rod (6).

6. The natural gas pipeline cathodic protection grounding device of claim 1, wherein: the outer side surface of the embedded pipe (1) is fixedly provided with a power device (17), and the inside of the power device (17) is fixedly connected with a bidirectional threaded rod (15).

7. The natural gas pipeline cathodic protection grounding device of claim 2, wherein: and a valve core (18) is fixedly arranged on the outer side surface of the first flange plate (8).

8. The natural gas pipeline cathodic protection grounding device of claim 1, wherein: and anti-corrosion coatings are arranged on the outer side surfaces of the embedded pipe (1), the sleeve (2) and the connecting pipe (3).