CN218577147U

CN218577147U - Pull pipe structure for power equipment

Info

Publication number: CN218577147U
Application number: CN202223088103.7U
Authority: CN
Inventors: 刘自强; 王慕华
Original assignee: Baoding Zhongjing Electric Power Construction Co ltd
Current assignee: Baoding Zhongjing Electric Power Construction Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-07
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a trombone slide structure for power equipment, the spread groove inner wall agrees with through the screw and is connected with the connecting pipe, the sealed lid of connecting pipe one end fixedly connected with, sealed lid middle part runs through and has seted up the cable hole, sealed inside and cable hole correspondence position department install solid fixed ring, gu fixed ring inner wall bonds there is inflatable seal circle, adjacent two link to each other through the gas-supply pipe between the inflatable seal circle, the gas-supply pipe link up solid fixed ring one side, a side portion fixedly connected with air cock of sealed lid, air cock one end links to each other with the gas-supply pipe, the utility model discloses a visor and sealed lid are before the pipe laying of power pipe, cover the visor tightly, screw sealed lid and inject into gas to the inflatable seal circle in the sealed lid and make inflatable seal circle inflation parcel cable, make the cable hole airtight, let power pipe in the pipe laying and behind the pipe laying sand and moisture can not get into the power pipe inside, damage the cable and produce water stain corrosion cable.

Description

Pull pipe structure for power equipment

Technical Field

The utility model relates to a power pipeline technical field specifically is a stay tube structure for power equipment.

Background

The cable pipe drawing is a process of laying a cable pipeline below the ground, and the existing cable pipe drawing mode mostly adopts a digging and direct-burying mode, namely the cable pipeline is laid in a dug groove, then sandy soil or fine sand with a certain thickness is laid in the groove along the track of the groove, and then the soil is used for backfilling and is tamped to be level with the ground;

but cable protection pipe on the present market leads to the cable trombone slide to bury after underground owing to lack corresponding sealed processing, and inside the cable access & exit infiltration protective tube that has silt and moisture to pass through the protective tube, silt can lead to the fact the damage to the cable, and moisture can produce the water stain and lead to the fact the corruption to the cable, makes the fault rate increase life reduction of cable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a power equipment is with trombone structure can effectively solved among the above-mentioned background art cable duct and bury underground in the below ground, has inside silt and moisture pass through the cable access & exit infiltration protective tube of protection tube, causes damage and corruption to the cable, makes the fault rate increase life of cable reduce.

In order to achieve the above purpose, the utility model provides a following technical scheme: a tube pulling structure for power equipment comprises an outer tube, wherein an inner tube is arranged in the outer tube, a connecting groove is formed in the inner wall of the inner tube, the inner wall of the connecting groove is in fit connection with a connecting tube through threads, and one end of the connecting tube is fixedly connected with a sealing cover;

the cable hole has been seted up in the middle part of the sealed lid runs through, sealed inside and the cable hole of covering corresponds position department and installs solid fixed ring, gu fixed ring inner wall bonds has inflatable seal circle, adjacent two link to each other through the gas-supply pipe between the inflatable seal circle, the gas-supply pipe link up solid fixed ring one side, a side limit portion fixedly connected with air cock of sealed lid, air cock one end links to each other with the gas-supply pipe.

Preferably, the inflatable seal ring is adhered to the inner wall of the fixing ring through glue, and the gas pipe is communicated with the adjacent inflatable seal ring.

Preferably, the air nozzle air delivery port is sealed by a threaded cap.

The inner wall of the outer pipe is paved with a first buffer layer, an isolation layer is installed on the inner wall of the first buffer layer, a second buffer layer is installed on the inner wall of the isolation layer, the inner pipe is closely connected with the inner wall of the second buffer layer, an isolation column is installed in the inner pipe in an embedded mode, and a cable channel is formed in the isolation column in a penetrating mode at the position, corresponding to the cable hole, of the inner portion of the isolation column.

Preferably, the first buffer layer comprises a plurality of rubber columns that closely link to each other, the inner wall of outer tube is laid through glue to the first buffer layer, the isolation layer outside links to each other with first buffer layer through glue, the isolation layer inboard links to each other with the second buffer layer through glue.

Preferably, the second buffer layer is composed of a plurality of rubber air bags, and mercaptan gas is filled into the second buffer layer air bags.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. the protective cover is tightly covered by the protective cover and the sealing cover before the power pipe is buried, the sealing cover is screwed, and gas is injected into the inflatable sealing ring in the sealing cover to enable the inflatable sealing ring to expand and wrap the cable, so that a cable hole is closed, sandy soil and moisture in the power pipe and behind the buried pipe cannot enter the power pipe, the cable is damaged, and water stain corrosion is generated on the cable.

2. Through first buffer layer and second buffer layer, when the electric power pipe received the extrusion in the pipe laying, rubber buffer layer and second buffer layer atress compression offset partly atress by the elasticity of self, can directly not extrude external pressure on the pipeline, cause the pipeline to damage.

3. Through the gas that has a small amount of mercaptan in the gasbag to the second buffer layer, when the power pipe appears damaged back, mix in the gas of mercaptan in the damaged gasbag and can follow damaged department's escape the earth's surface, mercaptan in the gas can volatilize and produce the stink, makes the maintainer discover the breakage point more easily.

Drawings

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

In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the outer tube of the present invention;

FIG. 3 is a schematic view of the internal structure of the sealing cover of the present invention;

reference numbers in the figures: 1. an outer tube; 2. an inner tube; 3. a sealing cover; 4. a connecting pipe; 5. a cable hole; 6. an air faucet; 7. an inflatable seal ring; 8. a gas delivery pipe; 9. a fixing ring; 10. a first buffer layer; 11. an isolation layer; 12. a second buffer layer; 13. connecting grooves; 14. an isolation column; 15. a cable channel; 16. a protective cover.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a technical solution, a tube drawing structure for power equipment, comprising an outer tube 1, an inner tube 2 installed inside the outer tube, a connecting groove 13 opened on the inner wall of the inner tube 2, a connecting tube 4 connected to the inner wall of the connecting groove 13 by screw thread, a sealing cover 3 fixedly connected to one end of the connecting tube 4;

3 middle parts of sealed lid run through and have seted up cable hole 5, sealed 3 inside and 5 corresponding position departments in cable hole of lid install solid fixed ring 9, gu fixed ring 9 inner wall bonds there is inflatable seal ring 7, inflatable seal ring 7 bonds at solid fixed ring 9 inner wall through glue, it is inseparabler to make inflatable seal ring 7 and solid fixed ring 9, link to each other through gas-supply pipe 8 between two adjacent inflatable seal ring 7, gas-supply pipe 8 link up solid fixed ring 9 one side, it is more convenient to make inflatable seal ring 7 aerify, one side fixedly connected with air cock 6 of sealed

lid

3, 6 one end of air cock links to each other with gas-

supply pipe

8, 6 gas transmission ports of air cock pass through the thread cover and seal, make 6 sealed fastenings of air cock after aerifing, difficult gas leakage.

The inner wall upper berth of outer tube 1 is equipped with first buffer layer 10, first buffer layer 10 bonds at outer tube 1 inner wall through glue, make inseparabler difficult slip between first buffer layer 10 and the outer tube 1, first buffer layer 10 comprises a plurality of rubber columns that closely link to each other, make first buffer layer 10 can better buffering, isolation layer 11 is installed to first buffer layer 10 inner wall, the isolation layer 11 outside passes through glue and links to each other with first buffer layer 10, make isolation layer 11 and first buffer layer 10 inseparabler difficult slip, second buffer layer 12 is installed to isolation layer 11 inner wall, isolation layer 11 inboard passes through glue and links to each other with second buffer layer 12, make isolation layer 11 and second buffer layer 12 inseparabler difficult slip, inner tube 2 and the inner wall of second buffer layer 12 closely link to each other, second buffer layer 12 comprises a plurality of rubber airbags, the gas that has the mercaptan in the second buffer layer 12 gasbag dashes, the mercaptan volatilizees and can produce the stink, make the damaged department of second buffer layer 12 change and look for, inner tube 2 inside embedding installs isolation post 14, the department that corresponds with cable hole 5 has seted up isolation channel 15.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the protective cover 16 is covered, then the connecting pipe 4 is screwed into the connecting groove 13, then all the power pipes are connected end to end through the connecting pipe 4, then the connecting pipe 4 of the sealing cover 3 is fixedly connected at the screwed-in end of the head part and the tail part of the connected power pipe, after the connecting pipe 4 is screwed, the cable enters the cable channel 15 through the cable hole 5 in the middle of the sealing cover 3, after the cable passes through, gas is injected into the inflatable sealing ring 7 in the sealing cover 3 through the gas nozzle 6, so that the inflatable sealing ring 7 is expanded to wrap the cable, the cable hole 5 is sealed, and moist gas and sandy soil are prevented from entering the pipeline after pipe burying and pipe burying;

when the power pipe is extruded after pipe burying and pipe burying, the first buffer layer 10 and the second buffer layer 12 are stressed and compressed, part of stress is counteracted by elasticity of the buffer layer, external pressure cannot be directly extruded on the pipeline, and the pipeline is damaged;

during production, what constitutes the inside gas that is mixed with a small amount of mercaptan that dashes into of gasbag of second buffer layer 12, after the power pipe appears damaged, the gaseous meeting of mixing in the mercaptan in the damaged gasbag of second buffer layer 12 can follow damaged department and spill the earth's surface, and the mercaptan in the gas can volatilize and produce the stink, makes maintainer more easily discover the damaged spot.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 trombone slide structure for power equipment, includes outer tube (1), outer tube (1) internally mounted has inner tube (2), its characterized in that: a connecting groove (13) is formed in the inner wall of the inner pipe (2), the inner wall of the connecting groove (13) is in fit connection with a connecting pipe (4) through threads, and one end of the connecting pipe (4) is fixedly connected with a sealing cover (3);

sealed lid (3) middle part is run through and has been seted up cable hole (5), sealed lid (3) is inside to correspond position department with cable hole (5) and installs solid fixed ring (9), gu fixed ring (9) inner wall bonds and has inflatable seal circle (7), adjacent two link to each other through gas-supply pipe (8) between inflatable seal circle (7), gas-supply pipe (8) link up solid fixed ring (9) one side, a side edge portion fixedly connected with air cock (6) of sealed lid (3), air cock (6) one end links to each other with gas-supply pipe (8).

2. The pull tube structure for the power equipment as claimed in claim 1, wherein the inflatable seal ring (7) is adhered to the inner wall of the fixing ring (9) by glue, and the gas transmission pipe (8) is communicated with the adjacent inflatable seal ring (7).

3. The pull pipe structure for the electric power equipment is characterized in that the air delivery port of the air faucet (6) is sealed by a threaded cover.

4. The draw tube structure for the power equipment according to claim 1, wherein a first buffer layer (10) is laid on the inner wall of the outer tube (1), an isolation layer (11) is installed on the inner wall of the first buffer layer (10), a second buffer layer (12) is installed on the inner wall of the isolation layer (11), the inner tube (2) is tightly connected with the inner wall of the second buffer layer (12), an isolation column (14) is fixedly installed inside the inner tube (2), and a cable channel (15) is formed in the isolation column (14) in a penetrating mode at a position corresponding to the cable hole (5).

5. A tube drawing structure for electric power equipment according to claim 4, characterized in that the first buffer layer (10) is composed of a plurality of closely connected rubber columns, the first buffer layer (10) is laid on the inner wall of the outer tube (1) by glue, the outer side of the isolation layer (11) is connected with the first buffer layer (10) by glue, and the inner side of the isolation layer (11) is connected with the second buffer layer (12) by glue.

6. A trombone structure for electric power equipment according to claim 4, characterized in that said second buffer layer (12) is composed of a plurality of rubber air bags, said second buffer layer (12) air bags being filled with mercaptan gas.