CN209282795U - A kind of underground power cable protective device - Google Patents

A kind of underground power cable protective device Download PDF

Info

Publication number
CN209282795U
CN209282795U CN201920137919.3U CN201920137919U CN209282795U CN 209282795 U CN209282795 U CN 209282795U CN 201920137919 U CN201920137919 U CN 201920137919U CN 209282795 U CN209282795 U CN 209282795U
Authority
CN
China
Prior art keywords
heat dissipation
interior
heat
jointing jacket
outer jointing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920137919.3U
Other languages
Chinese (zh)
Inventor
詹雄铿
余泓圻
李钙
伍海明
陈岭辉
邹松青
黄辉
王庆斌
杨昀
陈晓科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201920137919.3U priority Critical patent/CN209282795U/en
Application granted granted Critical
Publication of CN209282795U publication Critical patent/CN209282795U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cable Accessories (AREA)

Abstract

The utility model discloses a kind of underground power cable protective devices, including outer jointing jacket cylinder, the outer jointing jacket cylinder, which is internally embedded, is equipped with interior pressure-bearing sleeve, the interior pressure-bearing sleeve inner offers heat dissipation chamber, the interior pressure-bearing sleeve inner insertion is equipped with interior heat dissipation sleeve, the interior heat dissipation sleeve inner side edge portion equidistantly offers radiating groove, heat dissipation stomata is equidistantly offered inside the radiating groove, fixation is bonded with graphite heat radiation fin inside the radiating groove, the utility model is scientific and reasonable for structure, it is safe and convenient to use, pass through the chamber that radiates, water conservancy diversion through slot, absorb heat silica gel piece, interior heat dissipation sleeve, radiating groove, heat dissipation stomata and graphite heat radiation fin can quickly absorb the heat generated when buried cable operation, and heat can be quickly discharged, avoid buried cable at runtime because of its internal heat mistake with this Phenomenon that is high and making its generation overload or short circuit, ensure that the stable operation of buried cable.

Description

A kind of underground power cable protective device
Technical field
The utility model relates to power cable technical field, specially a kind of underground power cable protective device.
Background technique
Buried cable refers to compared with common overhead line, is often embedded in the cable of underground, therefore also known as buried cable, cable are It is made of the conductor outsourcing insulation and protective layer of one or more mutually insulated, for electric power or information to be transmitted to from one The conducting wire at another place, relative to overhead line, cable has many advantages, such as to take up little area, transmit electricity reliable, strong antijamming capability, and underground is electric Cable is in practical process of deployment, it usually needs is protected by protective device to it, so that cable is in actual use process In have higher stability, traditional cable due to lacking protective device, cause its in actual use use the longevity Order lower, component of the existing protective device due to lacking heat conduction and heat radiation in actual use causes buried cable in reality The heat generated when the use of border can not be eliminated quickly, and buried cable is made to be easy to generate because its internal heat is excessively high Load or the phenomenon of short circuit, to generate failure.
Summary of the invention
The utility model provides a kind of underground power cable protective device, can effectively solve to mention in above-mentioned background technique Traditional cable out causes its service life in actual use lower, existing guarantor due to lacking protective device Component of the protection unit due to lacking heat conduction and heat radiation in actual use, the heat for causing buried cable to generate in actual use Amount can not be eliminated quickly, and buried cable is made to be easy to generate overload or short-circuit phenomenon because its internal heat is excessively high, To lead to the problem of failure.
To achieve the above object, the utility model provides the following technical solutions: a kind of underground power cable protective device, Including outer jointing jacket cylinder, edge equalization is away from being welded with even power batten, outer jointing jacket cylinder side on the outside of the outer jointing jacket cylinder Edge is fixedly connected with connector, and the connector between connecting flange and outer jointing jacket cylinder by being fixedly connected, the connection Head outboard end is fixedly welded with joint disk, and edge middle-end offers seal groove on the inside of the joint disk, inside the seal groove Insertion fixation is bonded with sealing rubber ring, and edge equalization is away from offering fixing threaded hole on the outside of the joint disk;
The outer jointing jacket cylinder, which is internally embedded, is equipped with interior pressure-bearing sleeve, inside the interior pressure-bearing sleeve and outer jointing jacket cylinder Offer buffer chamber, the cushion chamber falls side portion is equidistantly fixedly welded with pressure-bearing spring, in the interior pressure-bearing sleeve Side end and pressure-bearing spring corresponding position offer fixing groove, and the interior pressure-bearing sleeve inner offers heat dissipation chamber, institute Side portion equalization is stated in heat dissipation cavity room away from offering water conservancy diversion through slot, side portion and water conservancy diversion through slot adjacent position in the heat dissipation cavity room Place is equidistantly bonded with heat absorption silica gel piece, and the interior pressure-bearing sleeve inner insertion is equipped with interior heat dissipation sleeve, the interior radiating sleeve Cylinder inside edge equalization equidistantly offers heat dissipation stomata, in the radiating groove away from radiating groove is offered inside the radiating groove Portion's fixation is bonded with graphite heat radiation fin.
Preferably, the outer jointing jacket cylinder outer surface is coated with antirust erosion resisting coating.
Preferably, the pressure-bearing both ends of the spring passes through welding and connects between outer jointing jacket cylinder inner wall and fixing groove respectively It connects.
Preferably, the heat dissipation stomata is through interior heat dissipation sleeve, by resistance between the graphite heat radiation fin and radiating groove Hot glue hydropexis bonding.
The interior heat dissipation sleeve internal sleeve is connected to solidus lantern ring, and longitudinal direction is equidistantly welded with fixed guide inside the solidus lantern ring Fixed column, the solidus lantern ring outer side edges portion passes through to be fixedly connected between the undertaking convex block and interior heat dissipation sleeve that it is equidistantly welded.
Preferably, the solidus lantern ring inner side edge portion is bonded with flexible rubber mat, and the internal diameter of solidus lantern ring is greater than cable Outer diameter.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, secure side is used Just:
1, it is dissipated by heat dissipation chamber, water conservancy diversion through slot, heat absorption silica gel piece, interior heat dissipation sleeve, radiating groove, heat dissipation stomata and graphite Backing can quickly absorb the heat generated when buried cable operation, and heat quickly can be discharged, and be kept away with this Exempt from buried cable makes it generate the phenomenon of overload or short circuit because its internal heat is excessively high at runtime, ensure that buried cable Stable operation.
2, even power batten, interior pressure-bearing sleeve, buffer chamber, pressure-bearing spring and fixing groove can make protective device in protecting field Have higher pressure-bearing anti-pressure ability when lower cable, and then avoid extraneous pressure from crossing ambassador's protective device and generate damage, into one Step avoids the damage because of protective device that power cable is made to generate damage.
3, protective device is convenient for by connector, connecting flange, joint disk, seal groove, sealing rubber ring and fixing threaded hole It is quickly fixedly connected between the connection component of its end, while making have higher leakproofness upon connection therebetween.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the mounting structure schematic diagram of pressure-bearing sleeve and interior heat dissipation sleeve in the utility model;
Fig. 3 is the mounting structure schematic diagram of the utility model pressure-bearing spring;
Fig. 4 is that the utility model heat dissipation stomata opens up structural schematic diagram;
Figure label: 1, outer jointing jacket cylinder;2, even power batten;3, connector;4, connecting flange;5, joint disk;6, it seals Slot;7, sealing rubber ring;8, fixing threaded hole;9, interior pressure-bearing sleeve;10, buffer chamber;11, pressure-bearing spring;12, fixing groove;13, Radiate chamber;14, water conservancy diversion through slot;15, absorb heat silica gel piece;16, interior heat dissipation sleeve;17, radiating groove;18, radiate stomata;19, stone Black cooling fin;20, solidus lantern ring;21, it is oriented to fixed column;22, convex block is accepted.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs 1-4, the utility model provides a kind of technical solution, a kind of underground power cable protection Device, including outer jointing jacket cylinder 1,1 outer surface of outer jointing jacket cylinder are coated with antirust erosion resisting coating, make 1 appearance of outer jointing jacket cylinder Face has a higher rust resistance and corrosion resistance ability, and 1 outside edge equalization of outer jointing jacket cylinder is away from being welded with even power batten 2, outer jointing jacket 1 side edge of cylinder is fixedly connected with connector 3, and connector 3 between connecting flange 4 and outer jointing jacket cylinder 1 by being fixedly connected, even 3 outboard end of connector is fixedly welded with joint disk 5, and 5 inside edge middle-end of joint disk offers seal groove 6, and 6 inside of seal groove is embedding Enter it is fixed be bonded with sealing rubber ring 7,5 outside edge equalization of joint disk is away from offering fixing threaded hole 8.
Outer jointing jacket cylinder 1, which is internally embedded, is equipped with interior pressure-bearing sleeve 9, opens up inside interior pressure-bearing sleeve 9 and outer jointing jacket cylinder 1 There is a buffer chamber 10,10 inside edge equalization of buffer chamber is away from being fixedly welded with pressure-bearing spring 11, interior 9 inside side end of pressure-bearing sleeve Offer fixing groove 12 with 11 corresponding position of pressure-bearing spring, 11 both ends of pressure-bearing spring pass through welding respectively with outer jointing jacket It connects, makes between pressure-bearing spring 11 and outer jointing jacket cylinder 1 and fixing groove 12 upon connection more between 1 inner wall of cylinder and fixing groove 12 Stablize, offer heat dissipation chamber 13 inside interior pressure-bearing sleeve 9, heat dissipation 13 inside edge equalization of chamber is away from offering water conservancy diversion through slot 14, heat dissipation 13 inside edge of chamber and 14 adjacent position of water conservancy diversion through slot are equidistantly bonded with heat absorption silica gel piece 15, interior pressure-bearing set Cylinder 9 is internally embedded and is equipped with interior heat dissipation sleeve 16, and interior 16 inside edge equalization of heat dissipation sleeve is away from offering radiating groove 17, radiating groove Heat dissipation stomata 18 is equidistantly offered inside 17, fixes inside radiating groove 17 and is bonded with graphite heat radiation fin 19, and radiate stomata 18 It through interior heat dissipation sleeve 16, is bonded between graphite heat radiation fin 19 and radiating groove 17 by heat-resistant adhesive hydropexis, improves heat transmission gas The heat-sinking capability in hole 18, it is same to be constantly more fixed after bonding connection between graphite heat radiation fin 19 and radiating groove 17.
Wire-fixing jacket ring 20 is socketed with inside interior heat dissipation sleeve 16,20 inside edge of solidus lantern ring is bonded with flexible rubber mat, And the internal diameter of solidus lantern ring 20 is greater than the outer diameter of cable, penetrates in solidus lantern ring 20 convenient for cable, avoids 20 pairs of electricity of solidus lantern ring Cable crust causes to scratch, and 20 inside of solidus lantern ring is longitudinal to be equidistantly welded with guiding fixed column 21, and 20 outside edge of solidus lantern ring is equal It is fixedly connected between the undertaking convex block 22 equidistantly welded by it and interior heat dissipation sleeve 16.
The working principle and process for using of the utility model: the underground power cable protective device is in actual use Before, outer jointing jacket cylinder 1 is tucked into first in the reserving hole channel of buried cable laying, and by outer jointing jacket cylinder 1 and duct it Between be filled by mud, after fixation, external even power batten 2 can make its external force more to outer jointing jacket cylinder 1 Uniformly, connector 3 is then separately mounted to the both ends of outer jointing jacket cylinder 1 by connecting flange 4, and it will be fixed, Then by joint disk 5 by being fixedly connected between fixing threaded hole 8 and installation cable channel, and by joint disk 5 and cable tube Processing is sealed by sealing rubber ring 7 between road, making protective device with this, its both ends has more in actual use High leakproofness avoids extraneous water stain, dust and moisture etc. from entering in protective device, further avoid water stain, dust and Moisture etc. is caused to corrode and be damaged to the ground wire cable inside protective device, will be to be laid after the installation of outer jointing jacket cylinder 1 is fixed Ground wire cable penetrate into it is interior heat dissipation sleeve 16 inside solidus lantern ring 20 in, when buried cable penetrates into solidus lantern ring 20, Ground wire cable can be made more simple and efficient when penetrating by the guiding fixed column 21 of 20 interior welds of solidus lantern ring;
In the operational process after buried cable penetrates into protective device inside, pass through the pressure-bearing bullet inside buffer chamber 10 Spring 11 can timely absorb the pressure between outer jointing jacket cylinder 1 and interior pressure-bearing sleeve 9, and then avoid outside interior pressure-bearing sleeve 9 Because bearing that buried cable is caused to weigh wounded and be damaged in the excessive buried cable being transferred directly to inside interior pressure-bearing sleeve 9 of pressure, And then ensure that the phenomenon that buried cable does not generate modification and damage in actual motion use, and when buried cable is because for a long time When running and generating excessive heat, graphite heat radiation fin 19 is made by the heat dissipation stomata 18 opened up inside interior heat dissipation sleeve 16 at this time The heat outside buried cable can be absorbed in time, while again by heat absorption silica gel piece 15 further by graphite heat radiation fin Heat outside 19 is absorbed, and so that heat is concentrated in heat dissipation chamber 13 with this, finally again by heat dissipation chamber 13 The water conservancy diversion through slot 14 that wall the opens up heat put aside inside chamber 13 that will radiate further is discharged, with this avoid heat without The phenomenon that method is discharged, and buried cable is made to generate overload short circuit after long-play, ensure that the stable operation of buried cable.
Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of underground power cable protective device, including outer jointing jacket cylinder (1), it is characterised in that: the outer jointing jacket cylinder (1) outside edge equalization is fixedly connected with connector away from even power batten (2), outer jointing jacket cylinder (1) side edge is welded with (3), the connector (3) between connecting flange (4) and outer jointing jacket cylinder (1) by being fixedly connected, on the outside of the connector (3) End is fixedly welded with joint disk (5), and edge middle-end offers seal groove (6), the seal groove on the inside of the joint disk (5) (6) it is internally embedded fixation to be bonded with sealing rubber ring (7), edge equalization is away from offering fixing threaded hole on the outside of the joint disk (5) (8);
The outer jointing jacket cylinder (1), which is internally embedded, is equipped with interior pressure-bearing sleeve (9), the interior pressure-bearing sleeve (9) and outer jointing jacket It is offered buffer chamber (10) inside cylinder (1), edge equalization is away from being fixedly welded with pressure-bearing spring on the inside of the buffer chamber (10) (11), side end and pressure-bearing spring (11) corresponding position offer fixing groove (12) on the inside of the interior pressure-bearing sleeve (9), described Offers heat dissipation chamber (13) inside interior pressure-bearing sleeve (9), heat dissipation chamber (13) the inside edge equalization is away from offering water conservancy diversion Through slot (14), heat dissipation chamber (13) the inside edge and water conservancy diversion through slot (14) adjacent position are equidistantly bonded with heat absorption silica gel Piece (15), the interior pressure-bearing sleeve (9), which is internally embedded, is equipped with interior heat dissipation sleeve (16), interior heat dissipation sleeve (16) inner side edge Portion equidistantly offers radiating groove (17), and heat dissipation stomata (18), the heat dissipation are equidistantly offered inside the radiating groove (17) The internal fixation of slot (17) is bonded with graphite heat radiation fin (19).
2. a kind of underground power cable protective device according to claim 1, it is characterised in that: the outer jointing jacket cylinder (1) outer surface is coated with antirust erosion resisting coating.
3. a kind of underground power cable protective device according to claim 1, it is characterised in that: the pressure-bearing spring (11) both ends pass through welding and connect between outer jointing jacket cylinder (1) inner wall and fixing groove (12) respectively.
4. a kind of underground power cable protective device according to claim 1, it is characterised in that: the heat dissipation stomata (18) viscous by heat-resistant adhesive hydropexis between the graphite heat radiation fin (19) and radiating groove (17) through interior heat dissipation sleeve (16) Knot.
5. a kind of underground power cable protective device according to claim 1, it is characterised in that: the interior heat dissipation sleeve (16) internal to be socketed with wire-fixing jacket ring (20), internal longitudinal be equidistantly welded with of the solidus lantern ring (20) is oriented to fixed column (21), Edge passes through solid between the undertaking convex block (22) and interior heat dissipation sleeve (16) that it is equidistantly welded on the outside of the solidus lantern ring (20) Fixed connection.
6. a kind of underground power cable protective device according to claim 5, it is characterised in that: the solidus lantern ring (20) inside edge is bonded with flexible rubber mat, and the internal diameter of solidus lantern ring (20) is greater than the outer diameter of cable.
CN201920137919.3U 2019-01-28 2019-01-28 A kind of underground power cable protective device Active CN209282795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920137919.3U CN209282795U (en) 2019-01-28 2019-01-28 A kind of underground power cable protective device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920137919.3U CN209282795U (en) 2019-01-28 2019-01-28 A kind of underground power cable protective device

Publications (1)

Publication Number Publication Date
CN209282795U true CN209282795U (en) 2019-08-20

Family

ID=67605710

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920137919.3U Active CN209282795U (en) 2019-01-28 2019-01-28 A kind of underground power cable protective device

Country Status (1)

Country Link
CN (1) CN209282795U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188075A (en) * 2021-12-10 2022-03-15 沈兴线缆集团有限公司 Low temperature resistant flexible cable
WO2024087306A1 (en) * 2022-10-24 2024-05-02 秦山电缆集团有限公司 Sleeve for cable erection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188075A (en) * 2021-12-10 2022-03-15 沈兴线缆集团有限公司 Low temperature resistant flexible cable
CN114188075B (en) * 2021-12-10 2022-08-30 沈兴线缆集团有限公司 Low temperature resistant flexible cable
WO2024087306A1 (en) * 2022-10-24 2024-05-02 秦山电缆集团有限公司 Sleeve for cable erection

Similar Documents

Publication Publication Date Title
CN209282795U (en) A kind of underground power cable protective device
CN208589764U (en) A kind of bracing means avoiding tieing damage among cable
CN209913461U (en) Electrical engineering cable protection device
CN214506394U (en) Cable protection device for water conservancy construction
CN214428387U (en) High-reliability high-voltage insulated cable
CN209822342U (en) Anti-seismic cable
CN210378533U (en) Isolated flexible mineral insulated cable
CN208638003U (en) A kind of robot interface reinforces and has the cable of heat-sinking capability
CN207800222U (en) A kind of high current-carrying capacity wind power generating set power cable
CN216867769U (en) A strengthen seal structure for gas pipeline
CN209328557U (en) A kind of wear-resisting double sheath drag chain cables of high flexibility
CN207338637U (en) External antenna protective device
CN208738810U (en) A kind of novel cable of belt end shield
CN212847845U (en) Marine anti-corrosion pressure-resistant power transmission cable
CN210800307U (en) Heating installation pipe with good sealing performance
CN213598428U (en) Automobile bearing rubber protective cover
CN218300382U (en) Novel cable joint early warning explosion-proof box
CN218159696U (en) Anticorrosion cable under adverse circumstances
CN214467088U (en) Heat-insulation smoke suction pipe
CN206157572U (en) Take seal structure's suspension bridge cable clip
CN212935036U (en) High-reliability shock-resistant impact-resistant plug-in connector
CN209785606U (en) Underground direct-buried cable
CN209912553U (en) Cross-linked polyethylene overhead insulated cable
CN218732975U (en) Flame-retardant power cable for nuclear power station
CN210837278U (en) Anti-corrosion sewage pump cable

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant