CN103422565A - Construction method for waterlogging removing of outdoor cable chute - Google Patents

Construction method for waterlogging removing of outdoor cable chute Download PDF

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Publication number
CN103422565A
CN103422565A CN2013103766427A CN201310376642A CN103422565A CN 103422565 A CN103422565 A CN 103422565A CN 2013103766427 A CN2013103766427 A CN 2013103766427A CN 201310376642 A CN201310376642 A CN 201310376642A CN 103422565 A CN103422565 A CN 103422565A
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China
Prior art keywords
aqueduct
water
water conduits
unilateral gate
drain hole
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CN2013103766427A
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Chinese (zh)
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CN103422565B (en
Inventor
华维军
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State Grid Corp of China SGCC
Tianjin Electric Power Transmission and Transformation Engineering Corp
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State Grid Corp of China SGCC
Tianjin Electric Power Transmission and Transformation Engineering Corp
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Application filed by State Grid Corp of China SGCC, Tianjin Electric Power Transmission and Transformation Engineering Corp filed Critical State Grid Corp of China SGCC
Priority to CN201310376642.7A priority Critical patent/CN103422565B/en
Publication of CN103422565A publication Critical patent/CN103422565A/en
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Publication of CN103422565B publication Critical patent/CN103422565B/en
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Abstract

The invention relates to a construction method for waterlogging removing of an outdoor cable chute. The method comprises the steps of 1, setting the inner bottom face of the outdoor cable chute to be a slope and setting draining holes in the bottom of the side wall of the cable chute with lower slope side; 2, mounting water conduits on the draining holes, communicating the water conduits with the mounting positions of the draining holes, sleeving seal pads at the connecting positions between the water conduits and the draining holes and radially mounting screens in the water conduits; 3, connecting the other ends of the water conduits with an adjacent rainwater well by pipelines; and 4, mounting check valves on the connecting positions between the water conduits and the rainwater well in a hinging mode, wherein the check valves are opened when water flows flow from the water conduits to the rainwater well, otherwise, the check valves are closed. According to the method, after the water flows flow into the rainwater well, the check valves are rotated in a swinging mode to be reset to connect with openings of the water conduits in a pressing mode, so backflow of water flows is avoided, the possibility that external water permeates into the cable chute is also prevented due to the seal pads at the contacting positions between the draining holes and the water conduits and creeping of small animals such as mice can be prevented by the design of the screens in the water conduits.

Description

A kind of job practices of removing ponding for the outside cable ditch
Technical field
The invention belongs to the drainage and construction method field, especially a kind of job practices of removing ponding for the outside cable ditch.
Background technology
Cable run is the important component part of urban power network, day by day perfect along with city function, and it is more and more outstanding that the urban aerial line enters the requirement on ground.In recent years, newly-built road has all been built conduit line, cable duct bank the same period, and the cable passable space network jointly consisted of them will provide safeguard for urban development from now on.As long as the oversheath quality of cable is good, lay also and do not damage, in cable trench, a small amount of ponding can not have too large impact to cable, if but ponding is too much, the cable long period of soaking, in water, can have a strong impact on cable exterior insulation performance and operation stability, causes power grid accident.
At present, the method that solves cable trench water collecting adopts the method for suction pump usually, but the suction pump cost is higher, has seriously improved the electric power cost of speedily carrying out rescue work, and submersible pump need can complete by a plurality of electric elements, and subelement is comparatively accurate, once damage, maintenance cost is higher.
Through retrieval, find one piece of patent documentation relevant to the present patent application content, publication number is that the 202545206U Chinese patent discloses a kind of device of measuring cable trench water collecting.This utility model comprises water pumper, inductor and delay switch, and water pumper and inductor are cascaded, and delay switch is in parallel with inductor.The utility model has the advantage of: 1. can discharge timely unnecessary moisture in cable trench; 2. the existence of delay switch can guarantee that the water in cable trench still can allow water pumper work a period of time after inductor opens circuit again, and extends working cycles.
Through contrast, there is relatively big difference in the technical scheme of above patent and present patent application.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide a kind of easy and simple to handle and effectively avoid cable be dipped in water for the outside cable ditch except the job practices of ponding.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of job practices of removing ponding for the outside cable ditch, the steps include:
(1) be set to domaticly at outside cable ditch inner bottom surface, in the cable trench sidewall bottom of a domatic low side, drain hole be set;
(2) on above-mentioned drain hole, aqueduct is installed, aqueduct is communicated with the drain hole installation site, on aqueduct and drain hole link position, be set with sealing mat, screen cloth radially is installed in aqueduct;
(3) between the aqueduct other end and contiguous catch-basin, by pipeline, be connected;
(4) hinge dress unilateral gate on aqueduct and catch-basin link position, current are from penstock flow during to catch-basin, and this unilateral gate is opened, otherwise, the unilateral gate sealing.
And the step (1) described domatic gradient is 0.3%.
And described unilateral gate rotation angle is 10~45 °.
And, be provided with sealing rubber pad at the aqueduct mouth of pipe place contacted with described unilateral gate.
Advantage of the present invention and good effect are:
The present invention adopts and domatic the cable trench current is carried out to water conservancy diversion, when the water yield after water conservancy diversion arrives the drain hole liquid level, current enter catch-basin from the drain hole aqueduct of flowing through, and the rotation angle of unilateral gate draws by calculating and repetition test, after current flow into catch-basin, unilateral gate rotation return and the crimping of the aqueduct mouth of pipe, thereby avoid flow backwards, and the sealing mat on drain hole and drainage tube contact position has also prevented that outside moisture from infiltrating the possibility of cable trench, in aqueduct, climbing into of the toys such as mouse also avoided in the design of screen cloth simultaneously, improved the cable trench safety factor.
The specific embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
Embodiment 1
A kind of job practices of removing ponding for the outside cable ditch, the steps include:
(1) at outside cable ditch inner bottom surface, be set to domaticly, the gradient is 0.3%, in the cable trench sidewall bottom of a domatic low side, drain hole is set;
(2) on above-mentioned drain hole, aqueduct is installed, aqueduct is communicated with the drain hole installation site, on aqueduct and drain hole link position, be set with sealing mat, screen cloth radially is installed in aqueduct;
(3) between the aqueduct other end and contiguous catch-basin, by pipeline, be connected;
(4) hinge dress unilateral gate on aqueduct and catch-basin link position, current are from penstock flow during to catch-basin, and this unilateral gate is opened, otherwise, the unilateral gate sealing, unilateral gate rotation angle is 30 °, at the aqueduct mouth of pipe place contacted with described unilateral gate, is provided with sealing rubber pad.
Embodiment 2
A kind of job practices of removing ponding for the outside cable ditch, the steps include:
(1) at outside cable ditch inner bottom surface, be set to domaticly, the gradient is 0.3%, in the cable trench sidewall bottom of a domatic low side, drain hole is set;
(2) on above-mentioned drain hole, aqueduct is installed, aqueduct is communicated with the drain hole installation site, on aqueduct and drain hole link position, be set with sealing mat, screen cloth radially is installed in aqueduct;
(3) between the aqueduct other end and contiguous catch-basin, by pipeline, be connected;
(4) hinge dress unilateral gate on aqueduct and catch-basin link position, current are from penstock flow during to catch-basin, and this unilateral gate is opened, otherwise, the unilateral gate sealing, unilateral gate rotation angle is 10 °, at the aqueduct mouth of pipe place contacted with described unilateral gate, is provided with sealing rubber pad.
Embodiment 3
A kind of job practices of removing ponding for the outside cable ditch, the steps include:
(1) at outside cable ditch inner bottom surface, be set to domaticly, the gradient is 0.3%, in the cable trench sidewall bottom of a domatic low side, drain hole is set;
(2) on above-mentioned drain hole, aqueduct is installed, aqueduct is communicated with the drain hole installation site, on aqueduct and drain hole link position, be set with sealing mat, screen cloth radially is installed in aqueduct;
(3) between the aqueduct other end and contiguous catch-basin, by pipeline, be connected;
(4) hinge dress unilateral gate on aqueduct and catch-basin link position, current are from penstock flow during to catch-basin, and this unilateral gate is opened, otherwise, the unilateral gate sealing, unilateral gate rotation angle is 45 °, at the aqueduct mouth of pipe place contacted with described unilateral gate, is provided with sealing rubber pad.

Claims (4)

1. a job practices of removing ponding for the outside cable ditch, is characterized in that: the steps include:
(1) be set to domaticly at outside cable ditch inner bottom surface, in the cable trench sidewall bottom of a domatic low side, drain hole be set;
(2) on above-mentioned drain hole, aqueduct is installed, aqueduct is communicated with the drain hole installation site, on aqueduct and drain hole link position, be set with sealing mat, screen cloth radially is installed in aqueduct;
(3) between the aqueduct other end and contiguous catch-basin, by pipeline, be connected;
(4) hinge dress unilateral gate on aqueduct and catch-basin link position, current are from penstock flow during to catch-basin, and this unilateral gate is opened, otherwise, the unilateral gate sealing.
According to claim 1 for the outside cable ditch except the job practices of ponding, it is characterized in that: the step (1) described domatic gradient is 0.3%.
According to claim 1 for the outside cable ditch except the job practices of ponding, it is characterized in that: described unilateral gate rotation angle is 10~45 °.
4. the job practices of removing ponding for the outside cable ditch according to claim 1, is characterized in that: at the aqueduct mouth of pipe place contacted with described unilateral gate, be provided with sealing rubber pad.
CN201310376642.7A 2013-08-26 2013-08-26 Construction method for waterlogging removing of outdoor cable chute Active CN103422565B (en)

Priority Applications (1)

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CN201310376642.7A CN103422565B (en) 2013-08-26 2013-08-26 Construction method for waterlogging removing of outdoor cable chute

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Application Number Priority Date Filing Date Title
CN201310376642.7A CN103422565B (en) 2013-08-26 2013-08-26 Construction method for waterlogging removing of outdoor cable chute

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CN103422565B CN103422565B (en) 2015-07-15

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866790A (en) * 2014-03-26 2014-06-18 中国能源建设集团广东省电力设计研究院 Ground beam type ditch
CN104358277A (en) * 2014-10-29 2015-02-18 上海市政工程设计研究总院(集团)有限公司 Waterproof treating structure for cable trench penetrating through external wall
CN105319660A (en) * 2015-11-12 2016-02-10 国网辽宁省电力有限公司辽阳供电公司 A down-leading optical cable protection device and protection method
CN109440793A (en) * 2018-10-11 2019-03-08 北京中科中电电力工程管理有限公司 A kind of power equipment cable ditch water discharge construction method
WO2020125143A1 (en) * 2018-12-17 2020-06-25 江苏中电科电力建设有限公司 Cable trench waterproof and antiskid construction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207038A1 (en) * 1992-03-06 1993-09-23 Mueller Hans Connection to existing main drain by new pipe - where seal is formed by inverting resin soaked packing into joint and holding under pressure until hardened
CN1389009A (en) * 2000-08-07 2003-01-01 芦森工业株式会社 Method and structure for laying communication cable in underground line, and members used for laying
CN101019286A (en) * 2004-03-12 2007-08-15 维也纳渠道污水处理技术有限责任公司 Cable laying configuration
CN201241323Y (en) * 2008-07-02 2009-05-20 贵阳铝镁设计研究院 Outside cable ditch water discharge structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207038A1 (en) * 1992-03-06 1993-09-23 Mueller Hans Connection to existing main drain by new pipe - where seal is formed by inverting resin soaked packing into joint and holding under pressure until hardened
CN1389009A (en) * 2000-08-07 2003-01-01 芦森工业株式会社 Method and structure for laying communication cable in underground line, and members used for laying
CN101019286A (en) * 2004-03-12 2007-08-15 维也纳渠道污水处理技术有限责任公司 Cable laying configuration
CN201241323Y (en) * 2008-07-02 2009-05-20 贵阳铝镁设计研究院 Outside cable ditch water discharge structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866790A (en) * 2014-03-26 2014-06-18 中国能源建设集团广东省电力设计研究院 Ground beam type ditch
CN103866790B (en) * 2014-03-26 2016-08-24 中国能源建设集团广东省电力设计研究院有限公司 Ground beam type raceway groove
CN104358277A (en) * 2014-10-29 2015-02-18 上海市政工程设计研究总院(集团)有限公司 Waterproof treating structure for cable trench penetrating through external wall
CN105319660A (en) * 2015-11-12 2016-02-10 国网辽宁省电力有限公司辽阳供电公司 A down-leading optical cable protection device and protection method
CN109440793A (en) * 2018-10-11 2019-03-08 北京中科中电电力工程管理有限公司 A kind of power equipment cable ditch water discharge construction method
WO2020125143A1 (en) * 2018-12-17 2020-06-25 江苏中电科电力建设有限公司 Cable trench waterproof and antiskid construction method

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