CN203645274U - Waterproof sleeve for cable of underground substation - Google Patents
Waterproof sleeve for cable of underground substation Download PDFInfo
- Publication number
- CN203645274U CN203645274U CN201320829810.9U CN201320829810U CN203645274U CN 203645274 U CN203645274 U CN 203645274U CN 201320829810 U CN201320829810 U CN 201320829810U CN 203645274 U CN203645274 U CN 203645274U
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- cable
- underground substation
- waterproof
- pipe segment
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011083 cement mortar Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000013461 design Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Images
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a waterproof sleeve for a cable of an underground substation. The water proof sleeve comprises a first pipe segment used for being embedded in a lining of the underground substation and a second pipe segment used for being embedded in an underground continuous wall, the first pipe segment and the second pipe segment are coaxially arranged, an end for the butt joint of the first pipe segment and the second pipe segment is arranged as an expansion end, and the second pipe segment is bonded into the expansion end in an insertion manner via waterproof bonding agents. The waterproof sleeve for the cable of the underground substation is applicable to secondary construction processes of the underground continuous wall and the lining of the underground substation, defects in the prior art are overcome, the problem of the embedding of the waterproof sleeve in the secondary construction of the underground continuous wall and the lining can be conveniently solved, the problem that eddy current is generated when a single-core cable passes through the waterproof sleeve made of magnetic conductive materials such as steel pipes is also solved, and compared with a metal waterproof sleeve, the cost of the water proof sleeve is greatly reduced.
Description
Technical field
The utility model relates to the technical field of sleeve structure design, relates in particular to a kind of underground substation cable waterproof clutch.
Background technology
At present, the Large Cities ' Building such as Shanghai, Beijing many underground substations.Underground substation substantially all adopt cable into and out of line.The cable of underground substation is generally connected with external cable tunnel or cable work well through cable shaft by cable floor, also can directly be connected with external cable tunnel from cable floor, no matter adopt above-mentioned any scheme, all must on the exterior wall of underground substation, reserve feed-through waterproof bushing.
In view of the particularity that underground substation exterior wall is built, general underground substation exterior wall is made up of diaphram wall and armored concrete liner, and diaphram wall is constructed in advance, constructs, and be superimposed together with diaphram wall after armored concrete liner.In the time of construction of diaphragm wall, the one, embedded wall penetration water string can not be greater than diaphram wall width, can not the water string of liner is simultaneously pre-buried together; The 2nd, pre-embedded water-proof sleeve tube not only makes concreting difficulty, easily produce to water and smash uncompacted phenomenon, and the position of built-in pipe also easily produces deviation; The 3rd, pass through the water string of the permeability magnetic material manufactures such as steel pipe during due to high voltage single-core cable, can produce eddy current, make steel pipe heating, thereby make electric cable heating, affect the safe handling of cable.Therefore, underground substation cable waterproof clutch can not adopt existing standard collective drawings and Related product, can not adopt other general common water string.
Utility model content
Because the above-mentioned deficiency of prior art, the utility model proposes the underground substation cable waterproof clutch of applying in a kind of diaphram wall that is adapted at underground substation and twice work progress of liner.
For achieving the above object, the utility model provides a kind of underground substation cable waterproof clutch, comprise coaxial setting for being embedded in the first pipeline section of underground substation liner and for being embedded in the second pipeline section in diaphram wall, described the first pipeline section is set to enlarged footing with the termination that described the second pipeline section docks, and described the second pipeline section is bonded in described enlarged footing by waterproof binding agent plug-in type.
Preferably, the seam crossing of described enlarged footing and described the second pipeline section is arranged with water-swellable sealing rod.
Preferably, the outer circumferential side of described the second pipeline section is arranged with seal ring.
Preferably, between the cable in described water string both ends and water string inner tubal wall, be filled with respectively from inside to outside waterproof clay and cement mortar.
Preferably, described the first pipeline section and the second pipeline section are that PVC or PVC-U material are made.
Underground substation of the present utility model cable waterproof clutch is adapted at applying in the diaphram wall of underground substation and twice work progress of liner, overcome the defect that prior art exists, both can solve easily construct for twice problem of pre-embedded water-proof sleeve tube of diaphram wall and liner, also solved the problem that water string that single-core cable passes through the permeability magnetic material manufactures such as steel pipe can produce eddy current, (adopt first slot on steel pipe with a kind of metal water string, again with non-magnetic metal electrode welding) compare, can significantly reduce cost.
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
Brief description of the drawings
Fig. 1 is the structural representation of the underground substation cable waterproof clutch of the present embodiment.
Embodiment
As shown in the figure, the present embodiment proposes a kind of underground substation cable waterproof clutch, comprise coaxial setting for being embedded in the first pipeline section 100 of underground substation liner and for being embedded in the second pipeline section 200 in diaphram wall, the termination that the first pipeline section 100 docks with the second pipeline section 200 is set to enlarged footing 110, the second pipeline sections 200 and is bonded in enlarged footing 110 by waterproof binding agent plug-in type.
Concrete, as shown in the figure, the seam crossing of enlarged footing 110 and the second pipeline section 200 is arranged with water-swellable sealing rod 300.The outer circumferential side of the second pipeline section 200 is arranged with seal ring 400.Between cable 500 in described water string both ends and water string inner tubal wall, be filled with respectively from inside to outside waterproof clay 600 and cement mortar 700.Exemplary, the first pipeline section 100 and second pipeline section 200 of the present embodiment all adopt PVC-U material to be made.
Certainly,, in other specific embodiments, described the first pipeline section and the second pipeline section also can adopt other PVC materials to make as required, from then on repeat no more.
Exemplary, the Specific construction order that the underground substation cable waterproof clutch of the present embodiment is applied in underground substation is as follows:
1) construction diaphram wall 800, now pre-embedded water-proof sleeve tube not;
2) construction reinforced bar concrete lining 900, pre-buried the first pipeline section 100;
3) cut the diaphram wall of constructing complete along extending axially of the first pipeline section 100 and form the through hole that wears the second pipeline section 200, pre-buried the second pipeline section 200 in described through hole, carries out plug-in type with the enlarged footing 110 of previous the first pre-buried pipeline section 100 and is connected.First at the second pipeline section 200 insertion end external coating water-proof adhesives, then insert in the enlarged footing 110 of the first pipeline section 100, and at the seam crossing of enlarged footing 110 and the second pipeline section 200 insertion ends, water-swellable sealing rod 300 is set, complete sealing docking, finally again toward the interior casting concrete of described through hole.
4) in the first pipeline section 100 and the second pipeline section 200, penetrate cable 500, then between the cable in described water string both ends and water string inner tubal wall, be filled with respectively from inside to outside waterproof clay 600 and cement mortar 700.
In sum, the underground substation cable waterproof clutch of the present embodiment is adapted at applying in the diaphram wall of underground substation and twice work progress of liner, effectively overcome the defect that prior art exists, both can solve easily construct for twice problem of pre-embedded water-proof sleeve tube of diaphram wall and liner, also solved the problem that water string that single-core cable passes through the permeability magnetic material manufactures such as steel pipe can produce eddy current, (adopt first slot on steel pipe with a kind of metal water string, again with non-magnetic metal electrode welding) compare, can significantly reduce cost.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in by the determined protection range of claims.
Claims (6)
1. a underground substation cable waterproof clutch, it is characterized in that: comprise coaxial setting for being embedded in the first pipeline section of underground substation liner and for being embedded in the second pipeline section in diaphram wall, described the first pipeline section is set to enlarged footing with the termination that described the second pipeline section docks, and described the second pipeline section is bonded in described enlarged footing by waterproof binding agent plug-in type.
2. underground substation as claimed in claim 1 cable waterproof clutch, is characterized in that: the seam crossing of described enlarged footing and described the second pipeline section is arranged with water-swellable sealing rod.
3. underground substation as claimed in claim 1 cable waterproof clutch, is characterized in that: the outer circumferential side of described the second pipeline section is arranged with seal ring.
4. underground substation as claimed in claim 1 cable waterproof clutch, is characterized in that: between the cable in described water string both ends and water string inner tubal wall, be filled with respectively from inside to outside waterproof clay and cement mortar.
5. underground substation as claimed in claim 1 cable waterproof clutch, is characterized in that: described the first pipeline section and the second pipeline section are that PVC material is made.
6. underground substation as claimed in claim 5 cable waterproof clutch, is characterized in that: described the first pipeline section and the second pipeline section are that PVC-U material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320829810.9U CN203645274U (en) | 2013-12-16 | 2013-12-16 | Waterproof sleeve for cable of underground substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320829810.9U CN203645274U (en) | 2013-12-16 | 2013-12-16 | Waterproof sleeve for cable of underground substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645274U true CN203645274U (en) | 2014-06-11 |
Family
ID=50876495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320829810.9U Expired - Lifetime CN203645274U (en) | 2013-12-16 | 2013-12-16 | Waterproof sleeve for cable of underground substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466839A (en) * | 2014-11-28 | 2015-03-25 | 国家电网公司 | Cable penetration protector |
-
2013
- 2013-12-16 CN CN201320829810.9U patent/CN203645274U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466839A (en) * | 2014-11-28 | 2015-03-25 | 国家电网公司 | Cable penetration protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
|
| CX01 | Expiry of patent term |