CN220788800U

CN220788800U - Cathode protection grounding device for natural gas pipeline

Info

Publication number: CN220788800U
Application number: CN202322149219.5U
Authority: CN
Inventors: 徐文贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-04-16
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses a natural gas pipeline cathode protection grounding device, which comprises: the device comprises a ground pipe and a jacking pipe assembly, wherein a connecting pipe assembly is fixedly arranged in the ground pipe, a protecting pipe unit is arranged in the connecting pipe assembly, and a protecting anode column is arranged in the protecting pipe unit; the connecting pipe assembly comprises an earth boring inner pipe, a connecting round table is fixedly connected to the bottom end of the earth boring inner pipe, an earth breaking spiral arm is fixedly connected to the outer wall of the bottom end of the connecting round table, and a plurality of connecting holding arms are fixedly connected to the top end of the outer wall of the earth boring inner pipe. This natural gas line cathodic protection earthing device, through boring the cooperation of ground inner tube and connecting round platform, broken spiral arm, it is inside deep into soil to drive the ground pipe, need not to carry out the excavation work of foundation ditch, buries the in-process at natural gas line, alright go on by hand, reduces whole device's installation degree of difficulty, is convenient for dismantle the installation to protection positive pole post and whole device simultaneously.

Description

Cathode protection grounding device for natural gas pipeline

Technical Field

The utility model relates to the technical field of natural gas pipeline cathode protection, in particular to a natural gas pipeline cathode protection grounding device.

Background

In the prior art, a natural gas pipeline cathode protection grounding device is used for isolating and protecting a natural gas pipeline cathode from the outside, steel pipelines are adopted for long-distance petroleum transportation in China at present, and a pipeline layer is required to be subjected to forced cathode protection in pipeline laying so as to prevent corrosion and reduce the service life.

Through retrieving, chinese patent application number 202220256019.2 discloses a natural gas line cathodic protection earthing device, including the built-in pipe, the one end movable mounting of built-in pipe has the sleeve pipe, telescopic one end fixed mounting has the connecting pipe, the one end fixed mounting of built-in pipe lateral surface 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 left and right sides of first connecting block lateral surface has the support telescopic link, the top fixed connection of support telescopic link is in a side of second connecting block. One end of the connecting pipe is fixedly provided with a first flange plate, one side surface of the first flange plate is fixedly connected with a second flange plate through bolts, and one side surface of the second flange plate is fixedly provided with a jacking pipe.

The above patent suffers from the following disadvantages: the device can open the telescopic rod through the matching arrangement of the power device, the telescopic rod and the fixed rod, the contact area between the telescopic rod and soil is increased through the matching of the fixed rod, a large buried pit is not needed, and the telescopic rod can be contracted when pulled out, so that the telescopic rod is convenient to remove or replace; however, in the actual use process, the embedded pipe is still required to be installed for digging the embedded pit, and the digging area of the embedded pit is reduced, but the digging difficulty of the small pit is increased to a certain extent, so that the installation difficulty of the whole device is increased.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a cathode protection grounding device for a natural gas pipeline.

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

a natural gas pipeline cathodic protection grounding device comprising: the device comprises a ground pipe and a jacking pipe assembly, wherein a connecting pipe assembly is fixedly arranged in the ground pipe, a protecting pipe unit is arranged in the connecting pipe assembly, and a protecting anode column is arranged in the protecting pipe unit;

the connecting pipe assembly comprises an earth boring inner pipe, a connecting round table is fixedly connected to the bottom end of the earth boring inner pipe, an earth breaking spiral arm is fixedly connected to the outer wall of the bottom end of the connecting round table, and a plurality of connecting holding arms are fixedly connected to the top end of the outer wall of the earth boring inner pipe.

As still further aspects of the utility model: the earth boring inner tube is replaced by a protection inner tube, and a plurality of limit clamping strips are fixedly connected to the outer walls of the protection inner tube and the earth boring inner tube at equal intervals.

As still further aspects of the utility model: the outer wall sliding joint of spacing card strip has spacing guide rail, a plurality of spacing guide rail equidistance fixed connection is in the inner wall of ground pipe.

As still further aspects of the utility model: the protection pipe unit comprises a protection bucket, the bottom end fixedly connected with installation protection pipe of protection bucket, the outer wall equidistance fixedly connected with a plurality of support rib plates of installation protection pipe.

As still further aspects of the utility model: the pipe jacking assembly comprises a first connecting sleeve, a second connecting sleeve is fixedly connected to the top end of the first connecting sleeve, and a third connecting sleeve is fixedly connected to the top end of the second connecting sleeve.

As still further aspects of the utility model: the top fixedly connected with ground protection pipe of adapter sleeve III, the top fixedly connected with protection top cap of ground protection pipe.

As still further aspects of the utility model: the middle part of ground protection pipe outer wall rotates installs the maintenance guard gate, the positive avris fixedly connected with of maintenance guard gate connects the installation piece, the avris fixedly connected with of connection installation piece connects the handle.

As still further aspects of the utility model: the middle part fixedly connected with of adapter sleeve three outer wall is qualified for next round of competitions the connecting pipe, the one end fixed mounting of connecting pipe is qualified for next round of competitions the protection tube head, the internally mounted of protection tube head has connecting wire.

Compared with the prior art, the utility model provides the cathode protection grounding device for the natural gas pipeline, which has the following beneficial effects:

this natural gas line cathodic protection earthing device, through boring the cooperation of ground inner tube and connecting round platform, broken spiral arm, it is inside deep into soil to drive the ground pipe, need not to carry out the excavation work of foundation ditch, buries the in-process at natural gas line, alright go on by hand, reduces whole device's installation degree of difficulty, is convenient for dismantle the installation to protection positive pole post and whole device simultaneously.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.

Drawings

FIG. 1 is a schematic perspective view of the overall assembly of the present utility model;

FIG. 2 is a schematic view of a partially cut-away perspective structure of the overall assembly of the present utility model;

FIG. 3 is a schematic view of a buried pipe in a three-dimensional structure according to the present utility model;

FIG. 4 is a schematic view of a partially cut-away perspective structure of a buried pipe of the present utility model.

In the figure: 1. a ground pipe; 2. a limiting ring table; 3. a first connecting sleeve; 4. a second connecting sleeve; 5. a third connecting sleeve; 6. a ground protection pipe; 7. a protective top cover; 8. an overhaul protective door; 9. connecting the mounting blocks; 10. a connecting handle; 11. an outgoing line connecting pipe; 12. a protective tube head; 13. connecting wires; 14. protecting the anode column; 15. a protective bucket; 16. installing a protection tube; 17. supporting rib plates; 18. a protective inner tube; 19. a spacing guide rail; 20. limiting clamping strips; 21. drilling an earth inner pipe; 22. connecting a holding arm; 23. connecting a round table; 24. breaking the spiral arm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

A natural gas pipeline cathodic protection earthing device, as shown in fig. 1 to 3, comprising: the ground pipe 1 and the pipe jacking assembly, the ground pipe 1 is buried in the soil, and the pipe jacking assembly is arranged on the ground and fixedly installed at the top end of the ground pipe 1.

The inside fixed mounting of ground pipe 1 has the connecting pipe subassembly, and the inside of connecting pipe subassembly is provided with the protection pipe unit, and the internally mounted of protection pipe unit has protection positive pole post 14, and protection positive pole post 14 and natural gas line electric connection protect natural gas line, reduce natural gas line's by erosion rate.

The connecting pipe assembly comprises an earth boring inner pipe 21, a connecting round table 23 is fixedly connected to the bottom end of the earth boring inner pipe 21, a through hole is formed in the bottom end of the earth pipe 1, and the connecting round table 23 penetrates through the through hole and extends out of the earth pipe 1.

The outer wall of the bottom end of the connecting round table 23 is welded with a plurality of soil breaking spiral arms 24, the soil breaking spiral arms 24 are equidistantly arranged, and the soil breaking spiral arms 24 are driven to break soil through the rotation of the ground drilling inner pipe 21, so that the ground pipe 1 can conveniently drill into the soil; a plurality of connecting holding arms 22 are welded at the top end of the outer wall of the earth boring inner pipe 21, so that the operation of workers is facilitated.

The earth boring inner tube 21 is replaced by a protective inner tube 18, and a plurality of limiting clamping strips 20 are welded on the outer walls of the protective inner tube 18 and the earth boring inner tube 21 at equal intervals; the outer wall sliding clamping of the limiting clamping strip 20 is connected with limiting guide rails 19 in a sliding clamping mode, and the plurality of limiting guide rails 19 are welded on the inner wall of the ground pipe 1 at equal intervals.

The bottom of the ground pipe 1 is provided with a conical surface, and the inner wall of the ground pipe is correspondingly provided with a connecting round table 23 and the bottom of the protective inner pipe 18, so that the stability of the connecting round table 23 and the bottom of the protective inner pipe 18 in assembly with the ground pipe 1 is ensured.

The protection pipe unit includes protection fill 15, and protection fill 15's bottom integrated into one piece has installation protection pipe 16, and the outer wall equidistance welding of installation protection pipe 16 has a plurality of support rib plates 17, and the avris of support rib plate 17 is laminated with the inner wall of protection inner tube 18.

The pipe jacking assembly comprises a first connecting sleeve 3, a limiting ring table 2 is welded at the top of the outer wall of the ground pipe 1, and the first connecting sleeve 3 is arranged at the top end of the ground pipe 1 in a threaded manner and is attached to the limiting ring table 2.

The top integrated into one piece of adapter sleeve one 3 has adapter sleeve two 4, and adapter sleeve two 4 internal diameter is less than adapter sleeve one 3 to laminate with the top face of ground pipe 1.

The top integrated into one piece of adapter sleeve two 4 has adapter sleeve three 5, and adapter sleeve three 5 internal diameter is less than adapter sleeve two 4 to laminate with the top face of protection inner tube 18.

The top integrated into one piece of adapter sleeve three 5 has ground protection pipe 6, and the internal diameter of ground protection pipe 6 is the same with the top internal diameter of protection fill 15, and the top welding of ground protection pipe 6 has the protection top cap 7, and the top bonding reflection of light strip of protection top cap 7 is convenient for whole device location.

An access window is arranged in the middle of the outer wall of the ground protection pipe 6, an access protection door 8 is rotatably arranged in the access window, a connecting installation block 9 is welded on one side of the front face of the access protection door 8, the connecting installation block 9 is fixed with the ground protection pipe 6 through a bolt, and a connecting handle 10 is welded on one side of the connecting installation block 9.

The middle part welding of adapter sleeve three 5 outer wall has a connecting tube 11 that is qualified for the next round of competitions, and the inner chamber of connecting tube 11 is link up with the inner chamber of adapter sleeve three 5, and the one end fixed mounting of connecting tube 11 that is qualified for the next round of competitions has protection tube head 12, and the internally mounted of protection tube head 12 has connecting wire 13, and the one end and the protection anode post 14 electric connection of connecting wire 13.

Working principle:

referring to fig. 1 to 4, the present device is assembled as shown in fig. 1;

firstly, assembling an earth boring inner pipe 21 and an earth pipe 1, enabling a connecting round table 23 to be in contact with the ground soil at a designated position, rotating the earth boring inner pipe 21 through a connecting holding arm 22, enabling the earth pipe 1 to penetrate into the soil under the action of a broken spiral arm 24 until a limiting ring table 2 is attached to the ground, and then taking out the earth boring inner pipe 21 from the earth pipe 1;

then, inserting the protective inner tube 18 into the ground tube 1, inserting the mounting protective tube 16 into the protective inner tube 18, then connecting the connecting wire 13 with the protective anode column 14, inserting the protective anode column 14 into the mounting protective tube 16, enabling the bottom end of the protective anode column 14 to be in contact with soil, and enabling the other end of the connecting wire 13 to pass through the outgoing wire connecting tube 11;

and finally, the jacking pipe assembly is arranged at the top end of the ground pipe 1, and a protection circuit assembly for protecting the space between the anode column 14 and the natural gas pipeline is arranged in the ground protection pipe 6.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A natural gas pipeline cathodic protection earthing device, characterized by comprising: the device comprises a ground pipe (1) and a jacking pipe assembly, wherein a connecting pipe assembly is fixedly arranged in the ground pipe (1), a protecting pipe unit is arranged in the connecting pipe assembly, and a protecting anode column (14) is arranged in the protecting pipe unit;

the connecting pipe assembly comprises an earth boring inner pipe (21), a connecting round table (23) is fixedly connected to the bottom end of the earth boring inner pipe (21), a broken spiral arm (24) is fixedly connected to the outer wall of the bottom end of the connecting round table (23), and a plurality of connecting holding arms (22) are fixedly connected to the top end of the outer wall of the earth boring inner pipe (21).

2. A natural gas pipeline cathodic protection grounding apparatus as set forth in claim 1 wherein: the earth boring inner tube (21) is replaced by a protection inner tube (18), and a plurality of limiting clamping strips (20) are fixedly connected to the outer walls of the protection inner tube (18) and the earth boring inner tube (21) at equal intervals.

3. A natural gas pipeline cathodic protection grounding apparatus as set forth in claim 2 wherein: the outer wall sliding clamping of the limiting clamping strip (20) is provided with limiting guide rails (19), and the limiting guide rails (19) are fixedly connected to the inner wall of the ground pipe (1) at equal intervals.

4. A natural gas pipeline cathodic protection grounding apparatus as set forth in claim 1 wherein: the protection pipe unit comprises a protection bucket (15), the bottom end of the protection bucket (15) is fixedly connected with an installation protection pipe (16), and a plurality of support rib plates (17) are fixedly connected to the outer wall of the installation protection pipe (16) at equal intervals.

5. A natural gas pipeline cathodic protection grounding apparatus as set forth in claim 1 wherein: the pipe jacking assembly comprises a first connecting sleeve (3), a second connecting sleeve (4) is fixedly connected to the top end of the first connecting sleeve (3), and a third connecting sleeve (5) is fixedly connected to the top end of the second connecting sleeve (4).

6. The natural gas pipeline cathodic protection grounding apparatus of claim 5 wherein: the top of the third connecting sleeve (5) is fixedly connected with a ground protection pipe (6), and the top of the ground protection pipe (6) is fixedly connected with a protection top cover (7).

7. The natural gas pipeline cathode protection grounding device according to claim 6, wherein: the middle part of ground protection pipe (6) outer wall rotates installs access protection door (8), the positive avris fixedly connected with of access protection door (8) connects installation piece (9), the avris fixedly connected with of connection installation piece (9) connects handle (10).

8. The natural gas pipeline cathodic protection grounding apparatus of claim 5 wherein: the middle part fixedly connected with of adapter sleeve III (5) outer wall is qualified for next round of competitions connecting pipe (11), the one end fixed mounting of connecting pipe (11) is qualified for next round of competitions protection tube head (12), the internally mounted of protection tube head (12) has connecting wire (13).