CN206977000U - A kind of direct-burried high-voltage cable joint protection structure - Google Patents
A kind of direct-burried high-voltage cable joint protection structure Download PDFInfo
- Publication number
- CN206977000U CN206977000U CN201720978490.1U CN201720978490U CN206977000U CN 206977000 U CN206977000 U CN 206977000U CN 201720978490 U CN201720978490 U CN 201720978490U CN 206977000 U CN206977000 U CN 206977000U
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- Prior art keywords
- cable
- well
- protection
- joint
- joint protective
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Abstract
A kind of direct-burried high-voltage cable joint protection structure, including the protection well being located on the soil body and the joint protective well in protection well, joint protective well location is on the side borehole wall of protection well, a borehole wall is shared with protection well, being provided with the bottom of the borehole wall makes the drainpipe of joint protective well and ft connection, cable protection well more than the part conduct of removing joint protective well in protection well, cable in the cable duct of both sides passes cable duct and is placed in remaining cable protection well upwards respectively, sand or soil are filled with remaining cable protection well so that cable to be covered, the end of cable is provided with cable connector, two cable is respectively penetrated in joint protective well, and it is attached by cable connector in joint protective well, cable connector is placed in joint protective well with stretching and make somebody a mere figurehead, the top of joint protective well is provided with cover plate.While the utility model makes the cable connector be effectively protected, solves the problems, such as seepage drainage, and cost is small and is easy to maintenance and repair in the future.
Description
Technical field
It the utility model is related to power cable underground laying technical field, more particularly to direct-burried high-tension cable laying work
The protection structure of middle cable intermediate joint.
Background technology
In power cable underground laying engineering, cable is typically longer, generally requires to carry out by the way of segmentation connects
Laying, in segmentation junction, it is attached between cable using cable connector.Cable connector is failure frequent point, so necessary
Safeguard measure is carried out to direct-buried cable joint, and direct-buried cable joint is more few better.Protection for direct-buried cable joint, at present
Typically protected using buried cable well, lower cable shaft is configured at cable connector, consequently facilitating the protection of buried cable
Maintenance and repair in the future.
Due to by the way of buried cable well, generally requiring solve the problems, such as seepage drainage, and in the prior art still without
Method efficiently solves the problem of seepage drainage, if underground moisture leaks out to cable connector, it will electric leakage, line loss increase etc. occurs
Problem, or even trigger extremely serious power supply safety accident.Therefore, while being protected to cable connector, cable connector
The problem of locating seepage drainage is urgently to be resolved hurrily.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of direct-burried high-voltage cable joint protection structure, makes
While cable connector is effectively protected, solves the problems, such as seepage drainage, and cost is small and is easy to maintenance and repair in the future.
In order to realize the purpose of this utility model, used technical scheme is：A kind of direct-burried high-voltage cable joint protection
Structure, including the soil body, cable duct is respectively equipped with the both sides of the soil body, cable is embedded with the cable duct, in addition to be located at soil
On body protection well and positioned at protection well in joint protective well, the joint protective well location in protection well the side borehole wall on,
A borehole wall is shared with protection well, the drainpipe for making joint protective well and ft connection, the protection are provided with the bottom of the borehole wall
Remove in well joint protective well part be used as more than cable protection well, the cable in the cable duct of both sides tilts upward respectively passes cable
Ditch is placed in remaining cable protection well, filled with sand or soil so that cable to be covered in the remaining cable protection well, the end of the cable
Provided with cable connector, two cables are respectively penetrated in joint protective well, and are carried out by cable connector in joint protective well
Connection, the cable connector are placed in joint protective well with stretching and make somebody a mere figurehead, and the top of the joint protective well is provided with cover plate.
As further improvement of the utility model, the cable of cable duct is passed as standby remaining long cable in remaining cable protection
Coiled in well, and using cable connector as midpoint, between two cables in B font disks around, the direction of the cable connector with
The direction of cable duct inner cable laying is parallel.
As further improvement of the utility model, across the ditch mistake across cable duct is respectively equipped with the cable duct of both sides
Beam, the part of the borehole wall across the cable duct of the protection well are located on across ditch lintel.
As further improvement of the utility model, across the ditch lintel is located at cable exit points and is bent up starting point with cable
Between 1/3rd horizontal positions.
As further improvement of the utility model, the bottom surface of the joint protective well uses sand finish, and past draining
Make unidirectional aproll and set in pipe direction.
As further improvement of the utility model, the cable connector is higher than 20~30cm of bottom surface of joint protective well.
As further improvement of the utility model, splice trays are provided with the joint protective well, pass through splice trays
Make cable connector is aerial to set.
As further improvement of the utility model, the height of the remaining cable protection well higher than its inside cable top surface 20~
30cm。
As further improvement of the utility model, the cover plate uses piecemeal cover plate, between piecemeal cover plate, and piecemeal lid
Pass through pointing with cement mortar between plate and joint protective well.
The beneficial effects of the utility model are：
First, the problem of efficiently solving seepage drainage.Direct-buried cable is led on ground, cable connector is vacantly arranged on
In joint protective well on ground, underground moisture is set to be difficult to leak into joint protective well and touch cable connector, and in joint
The drainpipe set in well with ft connection is protected, draining can effectively be carried out by drainpipe.
2nd, function division, connection and reasonable arrangement.Cable connector and cable are divided by joint protective well and remaining cable protection well
Separate from cable uses sand or native covering protection in remaining cable protection well, and cable connector is protected by joint protective well and cover plate
Shield, makes cable connector and cable to be effectively protected by the structure, and subregion sets and is easy to specific aim in the future to tie up
Shield.
3rd, it is easy to maintenance.Cable is promoted to ground by underground, and cable connector is arranged in joint protective well, directly raised
Cover plate can carry out the repair and maintenance of cable connector, and cable uses sand or native covering protection, easy excavated by manual work in remaining cable protection well
Go out, it is easy to maintenance.
4th, cost is low.Because cable connector is generally using reserved standby remaining long cable, using buried cable well, can cause
Cable shaft size is larger, and due to being underground construction so that construction cost is larger.The utility model sets protection on the ground
Well, and protection well construction is simple, compared with buried cable well, construction cost greatly reduces.
5th, it is widely used.It can be widely applied in the buried cable engineering of non-open to traffic in field, particularly concentrate
Formula photovoltaic generation engineering.
Brief description of the drawings
Fig. 1 is the utility model section view；
Fig. 2 is the utility model schematic diagram；
Fig. 3 is the utility model top view；
Fig. 4 is the utility model overall structure diagram；
Description of symbols：The 1- soil bodys, 2- cable ducts, across the ditch lintels of 21-, 3- cables, 31- cable connectors, 4- protections well, 5- connect
Head protection well, 51- drainpipes, 52- cover plates, 53- splice trays, cable protection well, 61- soil more than 6-.
Embodiment
With reference to specific embodiment and accompanying drawing, the utility model is described in further detail.
As Figure 1-4, a kind of direct-burried high-voltage cable joint protection structure, including the soil body 1, it is in the soil body 1 with always
The both sides in line direction are respectively equipped with cable duct 2, are filled with soil in cable duct 2, cable 3 is embedded with cable duct 2.In the soil body
1 surface is provided with protection well 4 and the joint protective well 5 in protection well 4, side well of the joint protective well 5 positioned at protection well 4
On wall, a borehole wall is shared with protection well 4, the drainpipe 51 for making joint protective well 5 and ft connection is provided with the bottom of the borehole wall.
Protect the part that joint protective well 5 is removed in well 4 be used as more than cable protection well 6, the cable 3 in both sides cable duct 2 is tilted towards respectively
On pass cable duct 2 and be placed in remaining cable protection well 6, certainly, filled out filled with soil 61 so that cable 3 is covered in remaining cable protection well 6
It can also be sand to fill material.The end of cable 3 is provided with cable connector 31, and two cables 3 coil in remaining cable protection well 6 respectively
Afterwards, end is penetrated into joint protective well 5, is attached in joint protective well 5 by cable connector 31, cable connector 31
It is placed in joint protective well 5 with stretching and make somebody a mere figurehead, the top of joint protective well 5 is provided with cover plate 52.
The cable 3 for passing cable duct 2 leaves certain length, is carried out as standby remaining long cable 3 in remaining cable protection well 6
Coiling.Two cables 3 in remaining cable protection well 6 press cable minimum bending radius (cable construction and acceptance specification GB50168-
2006) principle for and with reference to cable connector 31 splitting both sides is coiled, and specific coiled structure is：With the company of two cables 3
Meeting place --- cable connector 31 is midpoint, and the cables 3 of both sides bassets the same lateral bend of backward cable connector 31 and then reverse
Withdraw, make the direction phase laid in B font disks around the direction of, cable connector 31 with the inner cable 3 of cable duct 2 between two cables 3
It is parallel.By this kind of coiled structure, enough standby remaining long cables 3 are left in remaining cable protection well 6, and meet job specfication
Meanwhile standby remaining long cable 3 is coiled shared area and reach minimum, so as to reduce the size of remaining cable protection well 6, reduce and build
Cost.
Protection well 4 is square masonry structure, including the four sides borehole wall, and it is with the coiling size and cable of standby remaining long cable 3
The profile of joint 31 is interior empty size, carries out block using the soil body 1 as borehole wall basis and builds, and the borehole wall with stone masonry or can lay bricks, the borehole wall
Highly it is higher than 20~30cm of its top surface of inside cable 3, to ensure there are enough filling thickness to be protected to cable 3, this
In embodiment, the borehole wall is 30cm higher than the highly preferred of its top surface of inside cable 3.The both sides borehole wall of well 4 is protected across cable duct 2
When, it is necessary on cable duct 2 set across cable duct 2 across ditch lintel 21, the borehole wall is located at across ditch across the part of cable duct 2
On lintel 21, to ensure its structural strength.Across ditch lintel 21 is located at the exit points of cable 3 and cable 3 be bent up between starting point three
/ mono- horizontal position.Across ditch lintel 21 is prefabricated using armored concrete.Pass through across ditch lintel 21, in work progress, electricity
Cable ditch 2 does not have to the construction for treating that sedimentation can carry out protecting well 4, quick construction after backfilling, efficiency improves.
The use of joint protective well 5 covers greatly small design method and is configured, and it is included in protecting in well 4, is similarly square
Masonry structure, including the four sides borehole wall, wherein a face borehole wall and protection 4 same wall of well, its excess-three face borehole wall are then independent in protection well 4
Set.Splice trays 53 are provided with joint protective well 5, make cable connector 31 is aerial to set by splice trays 53, cable connects
First 31 from joint protective well 5 20~30cm of bottom surface, in the present embodiment, height of the cable connector 31 from the bottom surface of joint protective well 5
Degree is preferably 30cm.The bottom surface of joint protective well 5 uses sand finish, and makees unidirectional aproll toward the direction of drainpipe 51 and set.Connect
The cover plate 52 at the top of head protection well 5 uses some pieces of piecemeal cover plates 52.Between piecemeal cover plate 52, and piecemeal cover plate 52 is protected with joint
By pointing with cement mortar between guide-well 5, prevent the water on ground from penetrating into joint protective well 5.
The utility model has been successfully applied to Xuwen County of Guangdong carp pool photovoltaic project, straight in photovoltaic area of photovoltaic generation portion
Bury in high-tension cable laying work, the protection structure is used at cable connector, efficiently solve seepage drainage problem, and should
Structure provides larger convenience to maintenance maintenance in the future, in addition, the physical dimension is small, compared with the structure of routine, builds
It is set as originally greatly reducing.
In summary, such as specification and diagramatic content actual sample is made and through test is used for multiple times in the utility model,
In terms of the effect using test, provable the utility model can reach its desired purpose, and practical value is unquestionable.
Embodiment provided above is only used for convenient illustration the utility model, not makees any formal limit to the utility model
System, any those of ordinary skill in the art, if in the range of not departing from the utility model and carrying technical characteristic,
Using the equivalent embodiment for locally changing or modifying made by the utility model disclosed technology content, and without departing from this practicality
New technical feature content, in the range of still falling within the utility model technical characteristic.
Claims (9)
1. a kind of direct-burried high-voltage cable joint protection structure, including the soil body, cable duct, the electricity are respectively equipped with the both sides of the soil body
Cable is embedded with cable ditch, it is characterised in that：Also include being located at and protect well and the joint protective in protection well on the soil body
Well, the joint protective well location share a borehole wall with protection well, are provided with the bottom of the borehole wall on the side borehole wall of protection well
Make the drainpipe of joint protective well and ft connection, cable protection more than the part conduct of joint protective well is removed in the protection well
Well, the cable in the cable duct of both sides tilts upward respectively to be passed cable duct and is placed in remaining cable protection well, the remaining cable protection well
Interior filled with sand or native so that cable to be covered, the end of the cable is provided with cable connector, and two cables respectively penetrate joint
Protect in well, and be attached by cable connector in joint protective well, the cable connector is placed in and connect with stretching and make somebody a mere figurehead
In head protection well, the top of the joint protective well is provided with cover plate.
A kind of 2. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：Pass cable duct
Cable is coiled as standby remaining long cable in remaining cable protection well, and is in B using cable connector as midpoint, between two cables
Font disk is around the direction of the cable connector is parallel with the direction that cable duct inner cable is laid.
A kind of 3. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：Cable in both sides
Across the ditch lintel across cable duct is respectively equipped with ditch, the part of the borehole wall across the cable duct of the protection well is located at across ditch lintel
On.
A kind of 4. direct-burried high-voltage cable joint protection structure according to claim 3, it is characterised in that：Across the ditch lintel
It is located at cable exit points and cable is bent up 1/3rd horizontal positions between starting point.
A kind of 5. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：The joint protective
The bottom surface of well uses sand finish, and makees unidirectional aproll toward drainpipe direction and set.
A kind of 6. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：The cable connector
Higher than 20~30cm of bottom surface of joint protective well.
A kind of 7. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：The joint protective
Splice trays are provided with well, make cable connector is aerial to set by splice trays.
A kind of 8. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：The remaining cable protection
The height of well is higher than 20~30cm of its inside cable top surface.
A kind of 9. direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：The cover plate uses
Piecemeal cover plate, between piecemeal cover plate, pass through pointing with cement mortar between piecemeal cover plate and joint protective well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978490.1U CN206977000U (en) | 2017-08-07 | 2017-08-07 | A kind of direct-burried high-voltage cable joint protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978490.1U CN206977000U (en) | 2017-08-07 | 2017-08-07 | A kind of direct-burried high-voltage cable joint protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977000U true CN206977000U (en) | 2018-02-06 |
Family
ID=61394200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720978490.1U Withdrawn - After Issue CN206977000U (en) | 2017-08-07 | 2017-08-07 | A kind of direct-burried high-voltage cable joint protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240901A (en) * | 2017-08-07 | 2017-10-10 | 广东水电二局股份有限公司 | A kind of direct-burried high-voltage cable joint protection structure |
| CN113824080A (en) * | 2021-09-23 | 2021-12-21 | 中电联电力发展研究院有限公司 | Device and method for releasing tensile stress of cable of transformer substation |
-
2017
- 2017-08-07 CN CN201720978490.1U patent/CN206977000U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240901A (en) * | 2017-08-07 | 2017-10-10 | 广东水电二局股份有限公司 | A kind of direct-burried high-voltage cable joint protection structure |
| CN107240901B (en) * | 2017-08-07 | 2018-08-21 | 广东水电二局股份有限公司 | A kind of direct-burried high-voltage cable joint protection structure |
| CN113824080A (en) * | 2021-09-23 | 2021-12-21 | 中电联电力发展研究院有限公司 | Device and method for releasing tensile stress of cable of transformer substation |
| CN113824080B (en) * | 2021-09-23 | 2023-12-22 | 中电联电力发展研究院有限公司 | Device and method for releasing tensile stress of transformer substation cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180206 Effective date of abandoning: 20180821 |