CN107332187A - Power transmission sequence matrix assembly type cable slot and its method for paving - Google Patents
Power transmission sequence matrix assembly type cable slot and its method for paving Download PDFInfo
- Publication number
- CN107332187A CN107332187A CN201710606578.5A CN201710606578A CN107332187A CN 107332187 A CN107332187 A CN 107332187A CN 201710606578 A CN201710606578 A CN 201710606578A CN 107332187 A CN107332187 A CN 107332187A
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- China
- Prior art keywords
- ditch body
- section
- power transmission
- joggle
- transmission sequence
- 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.)
- Pending
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 239000011159 matrix material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 28
- 239000000725 suspension Substances 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
Abstract
The present invention relates to the cable duct framework laid on a kind of power transmission sequence, particularly a kind of power transmission sequence matrix assembly type cable slot and its method for paving, its structural feature is, the cable duct is made up of the sequentially connection of plural number section ditch body head and the tail, often the cross section of section ditch body is constructed in matrix, including bottom plate and biside plate；The medial surface of biside plate is embedded with multiple groove profile cable bearer built-in fittings, and the groove profile cable bearer built-in fitting is perpendicular to backplane；Often the front end face of section ditch body is provided with tenon, rear end face is then the mortise joggle of mortise, tenon and previous section ditch body rear end face, and the tenon joggle of mortise then with later section ditch body front end face, formed in the gap at end to end construction, joggle and be pressed with hydro-expansive rubber bar；Often section ditch body is fixedly connected with forward and backward section ditch body junction in joggle using a plurality of single ended bolts.Advantage is：Construction work amount is reduced, shortens the construction period, the efficiency of long-distance transport is improved, construction cost is reduced, expands the scope that assembly type cable slot is applied in KV Electric Transmissions.
Description
Technical field
The present invention relates to the cable duct framework laid on a kind of power transmission sequence, particularly a kind of power transmission sequence matrix assembled
Cable duct and its method for paving, are particularly suitable for use in that corridor is narrow, do not possess in-situ precast, and the nervous power transmission line of construction period
In the engineering of road.
Background technology
Chinese patent 200810162805.0 provides a kind of transforming plant assembly type cable slot body and method for paving, with transverse direction
Overall " U " type cross-section structure, segmentation prefabricating reproduces field splicing, and be substantially all prefabricated at the scene, it is not necessary to consider remote
Transport, assembling process.This prefabricated, fabricated cable slot body can greatly reduce construction work amount, shorten construction period,
Efficiency of construction and construction quality are improved, construction cost is reduced.But this assembled of transformer station is applied to power transmission sequence work
Cheng Shang, then can there are the following problems：
1st, in transformer station, less, the raceway groove total length in a transformer station is few, and can provide wider construction for cable duct section
Place, therefore use in-situ precast, the method for on-site consolidation more, it is not necessary to prefabrication and long-distance transportation；And in power transmission line
In the engineering of road, because circuit mileage is long, and corridor limit value, so scene does not possess the site condition of prefabricated ditch section, the patent
Technical scheme can not be applied directly.
2nd, the body of power transformation station cable ditch employs water-proof concrete, although spigot-and-socket tongue and groove is used between longitudinal channel
The mode of connection, seam crossing water-proof function is less demanding, but is substantially all in transformer station and disclosure satisfy that engine request.But
For KV Electric Transmissions, the environmental condition on raceway groove periphery is complicated, mostly the shallower city city of level of ground water, waterproof requirement
Height, then original interface mode is no longer applicable.
3rd, because the environment and the environment in power transmission sequence corridor in use transformer station are far from each other, power transformation station cable ditch
The cable duct that method for paving can not also be applied to power transmission sequence be mated formation engineering.
At present, the cable slot body of power transmission sequence is built by the way of scene is built by laying bricks or stones, is taken, arduously, it is difficult to meet
Current engineering construction requirement.
The content of the invention
It is an object of the invention to according to the deficiencies in the prior art part, construction work amount can be reduced by providing one kind, contracting
The short construction period, reduce the power transmission sequence matrix assembly type cable slot and its method for paving of construction cost.
Matrix assembly type cable slot of the present invention is realized by following approach：
Power transmission sequence matrix assembly type cable slot, its structural feature is that the cable duct is sequentially connected by plural number section ditch body head and the tail
Composition is connect, the cross section for often saving ditch body is constructed in matrix, including bottom plate and biside plate；The medial surface of biside plate is embedded with multiple grooves
Type cable bearer built-in fitting, the groove profile cable bearer built-in fitting is perpendicular to backplane；Often the front end face of section ditch body is provided with
Tenon, rear end face then be mortise, tenon with it is previous section ditch body rear end face mortise joggle, and mortise then with later section ditch body front end
The tenon joggle in face, forms in the gap at end to end construction, joggle and is pressed with hydro-expansive rubber bar；Often section ditch body with
Forward and backward section ditch body junction is fixedly connected in joggle using a plurality of single ended bolts.
The ditch body of merogenesis concave configuration of the present invention can be prefabricated in factory, meanwhile, groove profile cable bearer built-in fitting
Also it is mounted on the biside plate of ditch body, in construction work, just prefabricated components can be transported from processing factory in advance while ditch body is prefabricated
It is defeated to be installed to job site, the problem of solving on power transmission sequence without prefabricated site condition is employed, on the other hand, is proposed
Longitudinal direction is connected by screw bolts, the connected mode of tenon type interface plus hydro-expansive rubber sealing, and power transmission sequence is solved well
The problem of environment is complicated, meets the waterproof demand of raceway groove.Thus the present invention is by ditch body member segments are prefabricated, Assembling, no
But the weight of single prefabricated components is reduced, body of the prefabricated components during processing, transport, storage etc. is also substantially reduced
Product, so, just can improve the efficiency of long-distance transport, solve the problems, such as the long-distance transport from processing factory to transmission line of electricity, expand
The scope that assembly type cable slot is applied in KV Electric Transmissions.Moreover, often using tenon shape interface and chance between section cable duct
The mode that water-expansible rubber bar is combined carries out water-proofing treatment, is not only able to meet structurally waterproof requirement, but also substantially reduce
The workload of Site Welding.The groove profile cable bearer built-in fitting is to be used to install groove profile cable bearer, by this built-in fitting in work
Just prefabricated processing is together carried out when factory is prefabricated, it is not only easy to operate, and " zero welding " that horizontal lateral frame is installed can be realized
Process, substantially reduces the field erected quantities of cable bearer, improves operating efficiency.
The present invention can be specially further：
Often the weight of section ditch body is less than 20 tons, and multiple lifting suspension hooks are distributed with biside plate upper end edge.
For power transmission sequence prefabricated member production separated with fabricating yard, transport and lifting condition be limited the features such as, carry
The measures such as suspension hook lifting, control single-unit prefabricated components weight are gone out, so that transport and assembling further for component provides basis
Condition.According to the data of experimental project, matrix assembly type cable slot is obvious compared with the lifting of cast-type cable duct duration, and an operation is followed
Duration in ring can be foreshortened to about 10 days by 40 days, be improved with obvious efficiency, cost is reduced and preferable economy.
Often section ditch body length is 3.0 ~ 6.0m.
The size of ditch body is controlled from size, in order to the transport and lifting of prefabricated components, according to the scene of power transmission sequence
Condition, can be constructed using small-size hoisting machine tool.
At least two bolt hole is often distributed with the bottom plate and biside plate of section ditch body respectively, every section ditch body is distributed in
On front and rear end.
The bolt hole is to be used to single ended bolt connection use, and the connection of single ended bolt is uniformly distributed in bottom plate and biside plate
On, so that comprehensive achieves a fixed connection and waterproof homework.
The method for paving of above-mentioned matrix assembly type cable slot, it is characterized by, and comprises the following steps：
1）Cable duct foundation trench is excavated, and carries out groove inner surface treatment；
2）L63X5 angle steel earthing pole is set along the bottom surface of cable duct foundation trench along side；
3）Cushion construction：Laid using the plain concrete of C15 labels or more, laying depth is 100mm；
4）The prefabrication ditch body that well matrix as described above is constructed, and job site is transported to by haulage vehicle；
5）Setting-out comparison is carried out to the position of channel floors standard element；
6）Hanging device is provided, the ditch body that matrix is constructed is lifted on the grooved position compared；
7）Often further spliced between section ditch body and front and rear section ditch body after longitudinal joggle by single ended bolt, during splicing, seam
Press-fit hydro-expansive rubber bar in gap；
8）Cable bearer and its earthed system are installed to the groove profile cable branch being distributed on matrix construction ditch body biside plate medial surface
On frame built-in fitting；
9）The wall earthen backfill of ditch side, compacting, and raceway groove inner cable and its annex are further installed, finally cover prefabricated cover plate, mortar
Smear seam.
In summary, it is pre- using ditch body member segments the invention provides a kind of power transmission sequence matrix assembly type cable slot
System, Assembling, not only reduce the weight of single prefabricated components, also substantially reduce prefabricated components in processing, transport, storage
Volume Deng during, it is proposed that longitudinal direction is connected by screw bolts, the connected mode of tenon type interface plus hydro-expansive rubber sealing, very
Good solves the problem of power transmission sequence environment is complicated, meets the waterproof demand of raceway groove.So, construction work can just be reduced
Amount, shortens the construction period, improves the efficiency of long-distance transport, reduces construction cost, expands assembly type cable slot in power transmission sequence
The scope applied in engineering.
Brief description of the drawings
Fig. 1 illustrates for the facade structures of the matrix construction ditch body in power transmission sequence matrix assembly type cable slot of the present invention
Figure.
The present invention is described further with reference to embodiment.
Embodiment
Most preferred embodiment：
Referring to the drawings 1, power transmission sequence matrix assembly type cable slot is made up of, often section ditch body the sequentially connection of plural number section ditch body head and the tail
Cross section constructed in matrix, including bottom plate 1 and biside plate 2；Often section ditch body longitudinally takes 3.0 ~ 6.0m mono- to save, single prefabricated components
Overall weight control it is prefabricated in factory in 20t, can be constructed using small-size hoisting machine tool.
Often the medial surface of the side plate 2 of section ditch body is that to be embedded with groove profile cable bearer pre- by 1.0 ~ 1.25m per spacing along longitudinal direction
Embedded part 6, for installing groove profile cable bearer, while often section sets a company that can connect cable bearer built-in fitting with outside
Fitting, to meet follow-up earthed system installation requirement, and is connected by groove profile, can save the welding engineering of live ironware
Amount.L-type stepped 4 is set to along side on biside plate 2, for putting cover plate, cover plate is yi word pattern, after being equally prefabricated in the factory
Transport in-site installation.Multiple lifting suspension hooks 5 often are distributed with the biside plate upper end edge of section ditch body, are easy to hanging for prefabricated components
Dress.
Often the front end face of section ditch body is provided with tenon 7（Convex configuration）, rear end face is then mortise 8（Spill groove bar）, tenon
With the mortise joggle of previous section ditch body rear end face, and the tenon joggle of mortise then with later section ditch body front end face forms head and the tail phase
Hydro-expansive rubber bar is pressed with gap at the elongated construction connect, joggle.In addition to joggle, the transverse joint of cable duct,
Two splice bolt holes 3 are often distributed with respectively on the bottom plate 1 and biside plate 2 of section ditch body, using single during every two sections ditch body split
Hook bolt is connected, and bolt specification is M20 ~ M30, further affixed and improve waterproof effect.
The present invention is characterized by, it is proposed that longitudinal direction is connected by screw bolts, tenon type interface plus hydro-expansive rubber sealing
Connected mode, solves the problem of power transmission sequence environment is complicated, meets the waterproof demand of raceway groove.The prefabricated, Assembling of segmentation,
Weight and size are controlled, the problems such as solving prefabricated, transport and lift；Cable built-in fitting fixed form is used in addition, reduces scene
Construction workload, improves operating efficiency.
The not described part of the present invention is same as the prior art.
Claims (5)
1. power transmission sequence matrix assembly type cable slot, it is characterised in that the cable duct is sequentially connected by plural number section ditch body head and the tail
Composition, the cross section for often saving ditch body is constructed in matrix, including bottom plate and biside plate；The medial surface of biside plate is embedded with multiple groove profiles
Cable bearer built-in fitting, the groove profile cable bearer built-in fitting is perpendicular to backplane；Often the front end face of section ditch body is provided with tenon
Head, rear end face then be mortise, tenon with it is previous section ditch body rear end face mortise joggle, and mortise then with later section ditch body front end face
Tenon joggle, formed in the gap at end to end construction, joggle and be pressed with hydro-expansive rubber bar；Often section ditch body with
Forward and backward section ditch body junction is fixedly connected in joggle using a plurality of single ended bolts.
2. power transmission sequence matrix assembly type cable slot according to claim 1, it is characterised in that the weight for often saving ditch body is small
In 20 tons, and multiple lifting suspension hooks are distributed with biside plate upper end edge.
3. power transmission sequence matrix assembly type cable slot according to claim 1, it is characterised in that often saving ditch body length is
3.0~6.0m。
4. power transmission sequence matrix assembly type cable slot according to claim 1, it is characterised in that often save ditch body bottom plate and
At least two bolt hole is distributed with biside plate respectively, on the front and rear end for being distributed in every section ditch body.
5. the method for paving of power transmission sequence matrix assembly type cable slot, it is characterised in that comprise the following steps：
1）Cable duct foundation trench is excavated, and carries out groove inner surface treatment；
2）L63X5 angle steel earthing pole is set along the bottom surface of cable duct foundation trench along side；
3）Cushion construction：Laid using the plain concrete of C15 labels or more, laying depth is 100mm；
4）The prefabrication ditch body that well matrix as claimed in claim 1 is constructed, and job site is transported to by haulage vehicle；
5）Setting-out comparison is carried out to the position of channel floors standard element；
6）Hanging device is provided, the ditch body that matrix is constructed is lifted on the grooved position compared；
7）Often further spliced between section ditch body and front and rear section ditch body after longitudinal joggle by single ended bolt, during splicing, seam
Press-fit hydro-expansive rubber bar in gap；
8）Cable bearer and its earthed system are installed to the groove profile cable branch being distributed on matrix construction ditch body biside plate medial surface
On frame built-in fitting；
9）The wall earthen backfill of ditch side, compacting, and raceway groove inner cable and its annex are further installed, finally cover prefabricated cover plate, mortar
Smear seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606578.5A CN107332187A (en) | 2017-07-24 | 2017-07-24 | Power transmission sequence matrix assembly type cable slot and its method for paving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606578.5A CN107332187A (en) | 2017-07-24 | 2017-07-24 | Power transmission sequence matrix assembly type cable slot and its method for paving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107332187A true CN107332187A (en) | 2017-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606578.5A Pending CN107332187A (en) | 2017-07-24 | 2017-07-24 | Power transmission sequence matrix assembly type cable slot and its method for paving |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834488A (en) * | 2017-12-05 | 2018-03-23 | 国网江苏省电力公司南通供电公司 | A kind of assembled cable bearer |
| CN108462138A (en) * | 2018-02-09 | 2018-08-28 | 温州嘉成工程项目管理有限公司 | A kind of cable duct and its construction method |
| CN109274057A (en) * | 2018-11-02 | 2019-01-25 | 国网四川省电力公司广安供电公司 | A kind of the cable duct structure and its construction method of prefabricated |
| CN113793978A (en) * | 2021-09-28 | 2021-12-14 | 广东博力威科技股份有限公司 | Assembly structure and method of large cylindrical battery cell |
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|---|---|---|---|---|
| GB201316484D0 (en) * | 2013-09-17 | 2013-10-30 | Airbus Operations Ltd | Cable raceway |
| CN104092173A (en) * | 2014-07-23 | 2014-10-08 | 新疆拓源节能技术开发有限责任公司 | Assembly-type underground cable trench based on comprehensive wiring of city |
| CN104466869A (en) * | 2014-12-05 | 2015-03-25 | 浙江省电力设计院 | Reinforced concrete assembly type cable duct and manufacturing method |
| CN205681082U (en) * | 2016-06-20 | 2016-11-09 | 国家电网公司 | Conduit line and cover plate |
| CN106451300A (en) * | 2016-08-29 | 2017-02-22 | 山东电力工程咨询院有限公司 | Cable trench of general assembly type GIS empty casing foundation |
-
2017
- 2017-07-24 CN CN201710606578.5A patent/CN107332187A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201316484D0 (en) * | 2013-09-17 | 2013-10-30 | Airbus Operations Ltd | Cable raceway |
| CN104092173A (en) * | 2014-07-23 | 2014-10-08 | 新疆拓源节能技术开发有限责任公司 | Assembly-type underground cable trench based on comprehensive wiring of city |
| CN104466869A (en) * | 2014-12-05 | 2015-03-25 | 浙江省电力设计院 | Reinforced concrete assembly type cable duct and manufacturing method |
| CN205681082U (en) * | 2016-06-20 | 2016-11-09 | 国家电网公司 | Conduit line and cover plate |
| CN106451300A (en) * | 2016-08-29 | 2017-02-22 | 山东电力工程咨询院有限公司 | Cable trench of general assembly type GIS empty casing foundation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834488A (en) * | 2017-12-05 | 2018-03-23 | 国网江苏省电力公司南通供电公司 | A kind of assembled cable bearer |
| CN107834488B (en) * | 2017-12-05 | 2023-07-14 | 国网江苏省电力公司南通供电公司 | Assembled cable support |
| CN108462138A (en) * | 2018-02-09 | 2018-08-28 | 温州嘉成工程项目管理有限公司 | A kind of cable duct and its construction method |
| CN108462138B (en) * | 2018-02-09 | 2019-10-15 | 温州嘉成工程项目管理有限公司 | A kind of cable duct and its construction method |
| CN109274057A (en) * | 2018-11-02 | 2019-01-25 | 国网四川省电力公司广安供电公司 | A kind of the cable duct structure and its construction method of prefabricated |
| CN113793978A (en) * | 2021-09-28 | 2021-12-14 | 广东博力威科技股份有限公司 | Assembly structure and method of large cylindrical battery cell |
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| CB02 | Change of applicant information |
Address after: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Applicant after: POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INSTITUTE Co.,Ltd. Applicant after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID FUJIAN ECONOMIC Research Institute Address before: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Applicant before: FUJIAN ELECTRIC POWER SURVEY & DESIGN INSTITUTE Applicant before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Applicant before: STATE GRID FUJIAN ECONOMIC Research Institute |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171107 |