CN110829342A - Groove type prefabricated assembly type cable duct bank unit and method - Google Patents
Groove type prefabricated assembly type cable duct bank unit and method Download PDFInfo
- Publication number
- CN110829342A CN110829342A CN201911204641.8A CN201911204641A CN110829342A CN 110829342 A CN110829342 A CN 110829342A CN 201911204641 A CN201911204641 A CN 201911204641A CN 110829342 A CN110829342 A CN 110829342A
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- Prior art keywords
- rectangular groove
- cable
- duct bank
- unit according
- cable duct
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
-
- 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
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to a groove type prefabricated assembly type cable duct bank unit and a method, wherein a plurality of duct bank units are sequentially arranged along the routing direction of a pipeline, and a single duct bank unit comprises: a rectangular trench; the cable support is arranged in the rectangular groove, and a plurality of mounting holes for fixing the corrugated pipe are formed between the cable support and the rectangular groove; and the cover plate covers the mounting hole. Compared with the prior art, the invention has the advantages of high strength, short construction period and the like.
Description
Technical Field
The invention relates to a prefabricated cable duct bank, in particular to a groove type prefabricated assembly type cable duct bank unit and a method.
Background
At present, cable ducts are mainly cast in place, and ducts of cast-in-place structures are excellent in integrity, but timely power supply plans are affected due to the defects that cast-in-place structure systems are long in construction period, difficult to control cost, difficult to guarantee engineering quality and the like. On the other hand, the unicity of the number of holes of the cast-in-place cable duct bank can not meet the requirement of increasing the cable duct bank in the later period, because the cast-in-place cable duct bank is integrally cast with the original structure, the extra engineering required period is long, and the material waste is serious; if enough holes are reserved during initial construction, part of the holes are easily unused for a long time, so that the cost is increased and resources are wasted.
The existing prefabricated cable duct bank structure is similar to a cast-in-place structure and is a solid body, a block unit is heavy, and the environment requirement for hoisting is high; or the cables are stacked in layers, which brings difficulty to the subsequent cable penetrating construction.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a channel-type prefabricated cable duct bank unit and a method thereof.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a prefabricated assembled cable duct bank unit of slot type, a plurality of calandria units are walked the line direction along the pipeline and are arranged the setting in proper order, and single calandria unit includes:
a rectangular trench;
the cable support is arranged in the rectangular groove, and a plurality of mounting holes for fixing the corrugated pipe are formed between the cable support and the rectangular groove;
and the cover plate covers the mounting hole.
The cable support is characterized in that a plurality of grooves are formed in the inner wall of the rectangular groove, connecting portions matched with the grooves are arranged on the cable support, and the connecting portions are inserted into the grooves.
The wall thickness of the rectangular groove is 80-110 mm, and the length of the rectangular groove is 2-5 mm.
The wall thickness of the rectangular groove is 100mm, and the length of the rectangular groove is 3 m.
The cable support is composed of a plurality of split support units, pipelines of the support units are axially arranged in the rectangular groove, gaps are reserved between the adjacent support units, and mounting holes formed by the support units are aligned one by one.
The cable support is composed of three support units.
The rectangular groove and the cover plate are connected through a bolt.
The adjacent tube-arranging units are connected through bolts.
The mounting holes are divided into an upper layer and a lower layer.
A method of channel prefabricating an assembled cable duct work unit as described above, comprising:
step S1: hoisting the rectangular groove to a designated position, and fixing the bolt at the end part after the rectangular groove is butted at the hole position;
step S2: the corrugated pipes are placed at the bottom of the rectangular groove, cable supports are laid at equal intervals, and then the corrugated pipes are arranged in the installation positions on the upper layer of the cable supports.
Step S3: and laying the cover plate on the rectangular groove, overlapping the cover plate with the rectangular groove in a staggered joint manner, and fastening the cover plate by using bolts.
Compared with the prior art, the invention has the following beneficial effects:
1) the corrugated pipe is formed by the rectangular grooves and the cover plate, the cable support arrangement corrugated pipes are arranged in the corrugated pipe, the weight is light, the strength is high, and the defects that the single prefabricated pipe is heavy in weight, high in installation accuracy and hoisting site requirements and the like in the prior art are overcome.
2) The calandria construction period is shortened remarkably, the rapid installation and civilized construction of the prefabricated calandria are guaranteed, and meanwhile the quality of the calandria construction project is guaranteed.
Drawings
FIG. 1 is a schematic plan sectional view of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the cover plate of the present invention;
FIG. 3 is a top plan view of the cover plate of the present invention;
FIG. 4 is a top plan view of a rectangular trench of the present invention;
FIG. 5 is a schematic plan view of a rectangular channel end steel plate of the present invention;
FIG. 6 is a schematic view of a cable holder of the present invention;
wherein: 1. the cable comprises a cover plate, 2, bolts, 3, a rectangular groove, 4, a connecting steel plate, 5, a cable support, 6, nuts, 7, corrugated pipes, 11, cover plate mounting holes, 12, cover plate reinforcing bars, 21, cover plate mounting hole embedded parts, 31, bolt holes, 32, support grooves, 41, connecting holes of the steel plate and the reinforcing steel bars, 42, steel plate bolt holes, 51 and mounting holes.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides a prefabricated assembled cable duct bank unit of slot type, a plurality of calandria units are walked the line direction along the pipeline and are arranged the setting in proper order, as shown in figure 1, single calandria unit includes:
a rectangular groove 3;
the cable support 5 is arranged in the rectangular groove 3, and a plurality of mounting holes 51 for fixing the corrugated pipe 7 are formed between the cable support and the rectangular groove 3, wherein the mounting holes 3 are divided into an upper layer and a lower layer;
and the cover plate 1 covers the mounting hole 3.
As shown in fig. 1, a plurality of grooves are formed on the inner wall of the rectangular groove 3, and a connecting portion matched with the grooves is formed on the cable holder 5 and inserted into the grooves.
The cover plate 1, the rectangular groove 3 and the cable support 5 are all reinforced concrete members with standardized sizes, and the corrugated pipe 7 is a corrugated pipe made of plastic materials.
The wall thickness of the rectangular groove 3 is 80-110 mm, the length is 2-5 mm, preferably, the wall thickness of the rectangular groove 3 is 100mm, the length is 3m, and the width and the height are set according to the number of holes of each layer of cable and the number of layers of the cable.
In addition, the cable holders 5 are uniformly arranged in the rectangular groove 3. The two connecting steel plates 4 are arranged at two ends of the rectangular groove 3 and are connected with the steel bars arranged in the rectangular groove 3 through the connecting holes 41 of the steel bars.
The cable support 5 is composed of a plurality of split support units, pipelines of each support unit are axially arranged in the rectangular groove 3, a gap is reserved between every two adjacent support units, and the mounting holes 3 formed by the support units are aligned one by one.
The cable holder 5 is composed of three holder units.
The rectangular groove 3 is connected with a cover plate through a bolt, wherein a cover plate mounting hole embedded part 21 is arranged on the cover plate; the end parts of the rectangular grooves 3 are provided with steel plates with bolt holes 31, and the rectangular grooves 3 are connected and fixed through high-strength bolts.
5-7 bolt mounting holes are reserved at two end parts of the rectangular groove 3 to form a saw-tooth shape, 3-4 bolt mounting holes are respectively arranged at two sides of the cover plate 1, the length is 3m, the thickness is 100mm, and the width is consistent with the width of the groove.
A method of channel prefabricating an assembled cable duct work unit as described above, comprising:
step S1: digging a groove, checking the groove, making a cushion layer, hanging the rectangular groove 3 on the cushion layer, and fixing a bolt at the end part after the butt joint of hole positions;
step S2: the corrugated pipe 7 is placed at the bottom of the rectangular groove 3, the cable supports 5 are paved at equal intervals, and then the corrugated pipe 7 is arranged in the installation position on the upper layer of the cable supports 5.
Step S3: the cover plate 1 is laid on the rectangular groove 3, is in staggered joint with the rectangular groove 3 and is fastened by bolts.
Step S4: and after the installation is finished, backfilling and covering soil.
Through experimental comparison, the difference of the benefit of the present application compared with the prior art is shown in table 1.
TABLE 1
Claims (10)
1. The utility model provides a prefabricated assembled cable duct bank unit of slot type, its characterized in that, a plurality of calandria units are walked the line direction along the pipeline and are arranged the setting in proper order, and single calandria unit includes:
a rectangular groove (3);
the cable support (5) is arranged in the rectangular groove (3) and forms a plurality of mounting holes (51) used for fixing the corrugated pipe (7) with the rectangular groove (3);
and the cover plate (1) covers the mounting hole (3).
2. A grooved prefabricated cable duct bank unit according to claim 1, characterized in that the rectangular groove (3) is provided with a plurality of grooves on its inner wall, and the cable support (5) is provided with a connection portion matching said grooves, said connection portion being inserted into said grooves.
3. A grooved prefabricated cable duct bank unit according to claim 1, wherein the rectangular groove (3) has a wall thickness of 80-110 mm and a length of 2-5 mm.
4. A grooved prefabricated assembled cable gland unit according to claim 3, characterized in that said rectangular groove (3) has a wall thickness of 100mm and a length of 3 m.
5. A channel-type prefabricated cable duct bank unit according to claim 1, wherein said cable rack (5) is composed of a plurality of split rack units, each rack unit pipeline is axially arranged in a rectangular channel (3), a gap is left between adjacent rack units, and the mounting holes (3) formed by each rack unit are aligned one by one.
6. A grooved prefabricated cable racking unit according to claim 5, wherein said cable rack (5) consists of three rack units.
7. A grooved prefabricated assembled cable gland unit according to claim 1, characterized in that said rectangular groove (3) and cover plate are bolted.
8. The channel-type prefabricated cable duct bank unit of claim 1, wherein adjacent duct bank units are connected by bolts.
9. A trench-type prefabricated cable duct bank unit according to any one of claims 1 to 8, wherein said mounting holes (3) are divided into an upper layer and a lower layer.
10. A method of channel prefabricating an assembled cable duct work unit according to claim 9, including:
step S1: hoisting the rectangular groove (3) to a designated position, and fixing the bolt at the end part after the rectangular groove is butted at the hole position;
step S2: the corrugated pipes (7) are placed at the bottoms of the rectangular grooves (3), the cable supports (5) are laid at equal intervals, and then the corrugated pipes (7) are arranged in the installation positions on the upper layers of the cable supports (5).
Step S3: the cover plate (1) is laid on the rectangular groove (3), is in staggered joint with the rectangular groove (3), and is fastened by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204641.8A CN110829342A (en) | 2019-11-29 | 2019-11-29 | Groove type prefabricated assembly type cable duct bank unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204641.8A CN110829342A (en) | 2019-11-29 | 2019-11-29 | Groove type prefabricated assembly type cable duct bank unit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110829342A true CN110829342A (en) | 2020-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911204641.8A Pending CN110829342A (en) | 2019-11-29 | 2019-11-29 | Groove type prefabricated assembly type cable duct bank unit and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829342A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111984909A (en) * | 2020-08-11 | 2020-11-24 | 合肥电力规划设计院 | Method for rapidly calculating civil engineering quantity in power distribution network cable engineering |
| CN112018709A (en) * | 2020-08-14 | 2020-12-01 | 国网上海市电力公司 | Groove type prefabricated assembly type cable duct bank |
| CN114583653A (en) * | 2022-03-28 | 2022-06-03 | 国网江苏省电力有限公司 | Connecting structure of prefabricated calandria module of distribution network civil engineering assembly |
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|---|---|---|---|---|
| JPH0993775A (en) * | 1995-09-27 | 1997-04-04 | Chiba Yogyo Kk | Underground multi-purpose wire duct |
| JPH10229618A (en) * | 1997-02-14 | 1998-08-25 | Sekisui Plastics Co Ltd | Device and method for embedding cable tube underground |
| CN2927439Y (en) * | 2006-07-24 | 2007-07-25 | 上海东捷电力设计有限公司 | Connecting structure of preset cable calandria and station |
| CN103515887A (en) * | 2013-09-30 | 2014-01-15 | 无锡市神力通信工程有限公司 | Connector for cable laying pipeline |
| CN205453058U (en) * | 2016-03-17 | 2016-08-10 | 国网浙江省电力公司金华供电公司 | Prefabricated cable chute |
| CN108832563A (en) * | 2018-08-30 | 2018-11-16 | 建华建材（中国）有限公司 | A kind of pre-fabricated electric cables comb and its construction method |
| CN209472356U (en) * | 2019-02-25 | 2019-10-08 | 河北嘉日电力设施安装工程有限公司 | A kind of cable duct bank mounting structure |
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-
2019
- 2019-11-29 CN CN201911204641.8A patent/CN110829342A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| JPH0993775A (en) * | 1995-09-27 | 1997-04-04 | Chiba Yogyo Kk | Underground multi-purpose wire duct |
| JPH10229618A (en) * | 1997-02-14 | 1998-08-25 | Sekisui Plastics Co Ltd | Device and method for embedding cable tube underground |
| CN2927439Y (en) * | 2006-07-24 | 2007-07-25 | 上海东捷电力设计有限公司 | Connecting structure of preset cable calandria and station |
| CN103515887A (en) * | 2013-09-30 | 2014-01-15 | 无锡市神力通信工程有限公司 | Connector for cable laying pipeline |
| CN205453058U (en) * | 2016-03-17 | 2016-08-10 | 国网浙江省电力公司金华供电公司 | Prefabricated cable chute |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111984909A (en) * | 2020-08-11 | 2020-11-24 | 合肥电力规划设计院 | Method for rapidly calculating civil engineering quantity in power distribution network cable engineering |
| CN112018709A (en) * | 2020-08-14 | 2020-12-01 | 国网上海市电力公司 | Groove type prefabricated assembly type cable duct bank |
| CN114583653A (en) * | 2022-03-28 | 2022-06-03 | 国网江苏省电力有限公司 | Connecting structure of prefabricated calandria module of distribution network civil engineering assembly |
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