CN107240901A - 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
- CN107240901A CN107240901A CN201710667836.0A CN201710667836A CN107240901A CN 107240901 A CN107240901 A CN 107240901A CN 201710667836 A CN201710667836 A CN 201710667836A CN 107240901 A CN107240901 A CN 107240901A
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- Prior art keywords
- cable
- well
- protection
- joint
- joint protective
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A kind of direct-burried high-voltage cable joint protection structure, including the protection well and the joint protective well in protection well being located on the soil body, 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, the part that joint protective well is removed in protection well is used as remaining cable 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 is filled with remaining cable protection well to cover cable, the end of cable is provided with cable connector, two cable is respectively penetrated in joint protective well, and be 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 present invention makes the cable connector be effectively protected, the problem of solving seepage drainage, and cost is small and is easy to maintenance and repair in the future.
Description
Technical field
The present invention relates to electric in power cable underground laying technical field, more particularly to direct-burried high-tension cable laying work
The protection structure of cable transition joint.
Background technology
In power cable underground laying engineering, cable is typically longer, generally requires to carry out by the way of segmentation connection
Lay, be attached between segmentation junction, 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.For the protection of direct-buried cable joint, at present
It is general to be 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 require solve seepage drainage the problem of, and in the prior art still without
The problem of method efficiently solves seepage drainage, if underground moisture content leaks out to cable connector, it will occur electric leakage, line loss increase etc.
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.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of direct-burried high-voltage cable joint protection structure, cable is made
While joint is effectively protected, the problem of solving seepage drainage, and cost is small and is easy to maintenance and repair in the future.
In order to realize the purpose of the present invention, the technical scheme used for：A kind of direct-burried high-voltage cable joint protection structure,
Including the soil body, it is respectively equipped with the both sides of the soil body in cable duct, the cable duct and is embedded with cable, in addition to be located on the soil body
Well and the joint protective well in protection well are protected, the joint protective well location is on the side borehole wall of protection well, with protection
Well shares a borehole wall, and being provided with the bottom of the borehole wall makes to remove in the drainpipe of joint protective well and ft connection, the protection well
The part of joint protective well is gone to as remaining cable protection well, the cable in the cable duct of both sides is tilted upward respectively passes cable duct juxtaposition
In 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 is provided with electricity
Cable joint, two cables are respectively penetrated in joint protective well, and are attached by cable connector in joint protective well, institute
State cable connector to be placed in joint protective well with stretching and make somebody a mere figurehead, the top of the joint protective well is provided with cover plate.
As a further improvement on the present invention, the cable of cable duct is passed as standby remaining long cable in remaining cable protection well
Coiled, and using cable connector as midpoint, in B font disks around the direction of the cable connector and cable between two cables
The direction that ditch inner cable is laid is parallel.
As a further improvement on the present invention, across the ditch lintel across cable duct is respectively equipped with the cable duct of both sides,
The part of the borehole wall across the cable duct of the protection well is located on across ditch lintel.
As a further improvement on the present invention, across the ditch lintel is located at cable exit points and cable is bent up between starting point
1/3rd horizontal positions.
As a further improvement on the present invention, the bottom surface of the joint protective well uses sand finish, and past drainpipe side
Set to unidirectional aproll is made.
As a further improvement on the present invention, the cable connector is higher than 20~30cm of bottom surface of joint protective well.
As a further improvement on the present invention, splice trays are provided with the joint protective well, make electricity by splice trays
Cable joint is built on stilts to be set.
As a further improvement on the present invention, the height of the remaining cable protection well higher than its inside cable top surface 20~
30cm。
As a further improvement on the present invention, the cover plate uses piecemeal cover plate, between piecemeal cover plate, and piecemeal cover plate with
Pass through pointing with cement mortar between joint protective well.
Beneficial effects of the present invention 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 content is set to be difficult to leak into and touch cable connector in joint protective well, 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 is in remaining cable protection well with sand or native covering protection, easy excavated by manual work
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, it can cause
Cable shaft size is larger, and due to being underground construction so that construction cost is larger.The present invention sets protection well on the ground,
And protection well construction is simple, compared with buried cable well, construction cost greatly reduces.
5th, it is widely used.In the buried cable engineering that can be widely applied to non-open to traffic in field, particularly concentrate
Formula photovoltaic generation engineering.
Brief description of the drawings
Fig. 1 is sectional view of the present invention；
Fig. 2 is schematic diagram of the present invention；
Fig. 3 is top view of the present invention；
Fig. 4 is overall structure diagram of the present invention；
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 invention will be further described.
As Figure 1-4, a kind of direct-burried high-voltage cable joint protection structure, including the soil body 1, is in always in the soil body 1
The both sides in line direction, which are respectively equipped with cable duct 2, cable duct 2, is filled with soil, and cable 3 is embedded with cable duct 2.In the soil body
Joint protective well 5 of 1 surface provided with protection well 4 and in protection well 4, joint protective well 5 is located at the side well of protection well 4
On wall, a borehole wall is shared with protection well 4, being provided with the bottom of the borehole wall makes the drainpipe 51 of joint protective well 5 and ft connection.
Protect and the part of joint protective well 5 is removed in well 4 as remaining 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 are coiled 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, and cable connector 31 is drawn
Direct join is placed in joint protective well 5 built on stiltsly, and 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) and with reference to the principle that cable connector 31 splits both sides coiled, 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, reduction is built
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, and using the soil body 1 as the borehole wall, basis carries out block and built, 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, cable 3 is protected with ensureing there are enough filling thickness, 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 to set across the ditch lintel 21 across cable duct 2 on cable duct 2, 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.By across ditch lintel 21, in work progress, electricity
Cable ditch 2 can carry out the construction of protection well 4 after backfilling without waiting to settle, and quick construction, efficiency is improved.
The use of joint protective well 5 covers greatly small design method and is configured, and it is included in protection well 4, is similarly square
Masonry structure, including the four sides borehole wall, wherein a face borehole wall and the protection same wall of well 4, 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 the built on stilts setting of cable connector 31 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 setting toward the direction of drainpipe 51.Connect
The cover plate 52 at the top of head protection well 5 is using 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 present invention has been successfully applied to Xuwen County of Guangdong carp pool photovoltaic project, and in photovoltaic area of photovoltaic generation portion, direct-burried is high
In voltage cable laying work, the protection structure is used at cable connector, seepage drainage problem, and the structure pair is efficiently solved
Maintenance maintenance in the future provides larger convenience, in addition, the physical dimension is small, compared with conventional structure, construction cost
Greatly reduce.
In summary, such as specification and diagramatic content actual sample is made and through test is used for multiple times in the present invention, from making
Seen with the effect of test, the provable present invention can reach its desired purpose, and practical value is unquestionable.It is provided above
Embodiment only illustrates the present invention for convenient, not makees any formal limitation, any affiliated technology neck to the present invention
Have usually intellectual in domain, if not departing from the range of the present invention carries technical characteristic, utilize disclosed technology
The equivalent embodiment for locally changing or modifying made by content, and without departing from the technical characteristic content of the present invention, still fall within
In the range of the technology of the present invention feature.
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 the protection well and the joint protective in protection well being located on the soil body
Well, the joint protective well location shares a borehole wall with protection well, is provided with the bottom of the borehole wall on the side borehole wall of protection well
The part for removing joint protective well in the drainpipe of joint protective well and ft connection, the protection well is set to be used as remaining cable protection
Cable in well, both sides cable duct is tilted 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.
2. a kind of 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.
3. a kind of 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.
4. a kind of 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.
5. a kind of 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 setting toward drainpipe direction.
6. a kind of 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.
7. a kind of 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 the built on stilts setting of cable connector by splice trays.
8. a kind of 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.
9. a kind of direct-burried high-voltage cable joint protection structure according to claim 1, it is characterised in that：The cover plate is used
Between piecemeal cover plate, piecemeal cover plate, pointing with cement mortar is passed through between piecemeal cover plate and joint protective well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667836.0A CN107240901B (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 |
|---|---|---|---|
| CN201710667836.0A CN107240901B (en) | 2017-08-07 | 2017-08-07 | A kind of direct-burried high-voltage cable joint protection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107240901A true CN107240901A (en) | 2017-10-10 |
| CN107240901B CN107240901B (en) | 2018-08-21 |
Family
ID=59988945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710667836.0A Active CN107240901B (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) | CN107240901B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331025A (en) * | 2018-03-28 | 2018-07-27 | 吴天钢 | A kind of multi-functional cable well with nargin cable and medial head fixing device |
| CN109085687A (en) * | 2018-09-30 | 2018-12-25 | 广州供电局有限公司 | Optical cable accommodates well and cable duct |
| CN110233467A (en) * | 2019-07-08 | 2019-09-13 | 贵州水利水电职业技术学院 | A kind of tubular hydropower generator main lead improvement mechanism |
| CN113808350A (en) * | 2021-10-28 | 2021-12-17 | 中国华能集团清洁能源技术研究院有限公司 | Protection system suitable for photovoltaic power station and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4518817A (en) * | 1983-02-22 | 1985-05-21 | Kirby James R | Buried conductor cable energy distribution system with conductor loop enclosure |
| CN203481759U (en) * | 2013-10-17 | 2014-03-12 | 商城县供电有限责任公司 | Cable trench cover plate |
| CN203932934U (en) * | 2014-05-09 | 2014-11-05 | 国家电网公司 | The anti-toy safe perspective type cable channel cover plate of taking precautions against natural calamities |
| CN206977000U (en) * | 2017-08-07 | 2018-02-06 | 广东水电二局股份有限公司 | A kind of direct-burried high-voltage cable joint protection structure |
-
2017
- 2017-08-07 CN CN201710667836.0A patent/CN107240901B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4518817A (en) * | 1983-02-22 | 1985-05-21 | Kirby James R | Buried conductor cable energy distribution system with conductor loop enclosure |
| CN203481759U (en) * | 2013-10-17 | 2014-03-12 | 商城县供电有限责任公司 | Cable trench cover plate |
| CN203932934U (en) * | 2014-05-09 | 2014-11-05 | 国家电网公司 | The anti-toy safe perspective type cable channel cover plate of taking precautions against natural calamities |
| CN206977000U (en) * | 2017-08-07 | 2018-02-06 | 广东水电二局股份有限公司 | A kind of direct-burried high-voltage cable joint protection structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331025A (en) * | 2018-03-28 | 2018-07-27 | 吴天钢 | A kind of multi-functional cable well with nargin cable and medial head fixing device |
| CN108331025B (en) * | 2018-03-28 | 2024-04-23 | 吴天钢 | Multifunctional cable well with margin cable and middle head fixing device |
| CN109085687A (en) * | 2018-09-30 | 2018-12-25 | 广州供电局有限公司 | Optical cable accommodates well and cable duct |
| CN110233467A (en) * | 2019-07-08 | 2019-09-13 | 贵州水利水电职业技术学院 | A kind of tubular hydropower generator main lead improvement mechanism |
| CN113808350A (en) * | 2021-10-28 | 2021-12-17 | 中国华能集团清洁能源技术研究院有限公司 | Protection system suitable for photovoltaic power station and construction method thereof |
| CN113808350B (en) * | 2021-10-28 | 2024-04-09 | 中国华能集团清洁能源技术研究院有限公司 | Protection system suitable for photovoltaic power station and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107240901B (en) | 2018-08-21 |
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