CN113013789A - Cable laying construction process - Google Patents
Cable laying construction process Download PDFInfo
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- CN113013789A CN113013789A CN202110403093.2A CN202110403093A CN113013789A CN 113013789 A CN113013789 A CN 113013789A CN 202110403093 A CN202110403093 A CN 202110403093A CN 113013789 A CN113013789 A CN 113013789A
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- fixing
- assembling groove
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 64
- 239000010959 steel Substances 0.000 claims description 64
- 238000005266 casting Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 241000221535 Pucciniales Species 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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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
- 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
- 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
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a cable laying construction process, which comprises the following steps: the method comprises the following steps of cable inspection, cable trench building, cable trench construction, hidden cable laying, cable trench backfilling of a bridge cover plate, cable head inspection and power receiving delivery and use; the cable laying construction process reduces the construction cost, improves the working efficiency of cable laying, ensures that the cable is stable and does not loosen or fall off in the cable trench, improves the overall safety performance, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to a cable laying construction process.
Background
Cable laying refers to along the route cloth through the investigation, the process of installation cable in order to form cable run, according to the use occasion, can be divided into several kinds of modes of laying of aerial, underground, submarine, wall and tunnel, and the mode of laying of rationally selecting the cable is all very important to transmission quality, reliability and construction maintenance etc. of assurance circuit. In order to ensure the safety and reliability of the cable, direct-buried laying, pipeline laying, overhead laying, wall laying and other modes are generally adopted, along with the development of modern urban construction, the requirement for laying the cable is higher and higher, and the on-site condition of a laying place needs to be laid and designed so as to ensure that the cable laying construction can meet the requirements of various standards. But traditional cable laying technology step is loaded down with trivial details, cable laying efficiency is lower, also appears becoming flexible, drops the phenomenon such as coming off easily in the cable pit after cable laying finishes, influences normal power supply work, also has certain potential safety hazard.
Disclosure of Invention
The invention aims to solve the problems and provides a cable laying construction process which reduces the construction cost, improves the working efficiency of cable laying, ensures that cables are stable and do not loosen and fall off in a cable trench and improves the overall safety performance.
In order to achieve the purpose, the technical scheme of the invention is as follows: a cable laying construction process comprises the following steps:
s1: cable inspection, which is to inspect whether the specification, model and number of the cables meet the use requirements, and additionally, the insulativity and surface damage condition of the cables need to be inspected;
s2: and building the cable trench until the width of the cable trench is 1200-1400mm and the depth is 1560-1860mm, and casting concrete on the two sides and the bottom of the cable trench, wherein the thickness of the concrete layer is not less than 50 mm.
S3: and (4) constructing the cable trench, namely fixing the cable supporting equipment on the side walls of two sides of the cable trench to enable the cables on the two sides to be arranged in parallel.
S4: the cables are laid in a hidden mode, the cables are sleeved one by one, the interior of each cable sleeve is cleaned up, the cables with different loops, different voltage levels and alternating current and direct current penetrate through different tubes, and no joint exists in the tubes.
S5: and backfilling a bridge cover plate of the cable trench, flatly paving the bridge cover plate on the surface of the cable trench, wherein the length of the bridge cover plate is greater than the width of the cable trench.
S6: and (6) checking a cable head.
S7: is used by power delivery.
Preferably, in the step S1, after the cable is checked to be correct, the cable is transported by a mechanical hoisting method, the cable is strictly prohibited to be directly pushed off the vehicle, the cable is stored in a classified manner after being taken out of the warehouse, a channel is reserved between every two adjacent cable reels, the width of the channel is not less than 600mm, and water cannot be accumulated in the storage position.
Preferably, in step S4, the distance between the cable line at the bottom layer in the cable trench and the bottom surface of the cable trench is not less than 150mm, the distance between the cable lines at every two adjacent layers is not less than 300mm, and the distance between the cable line at the top layer and the ground surface is not less than 500 mm.
Preferably, in step S5, obvious piles are set on the bridge cover plate of the cable trench every 50m or 100m, and piles are also set at cable joints, bends and building pile foundations.
Preferably, the cable pit includes the cable pit body, the cross-section of cable pit body is the U-shaped, the both sides inner wall of cable pit body is equipped with multiunit U shaped steel respectively, be equipped with the fixed steel sheet of a plurality of cables in the U shaped steel, the tip of the fixed steel sheet of cable is equipped with the assembly piece, the fixed steel sheet of cable can be dismantled with U shaped steel through assembly piece and the cooperation of U type groove and be connected, pass through dead lever fixed connection when the fixed steel sheet of cable assembles with U shaped steel.
Preferably, both sides of the U-shaped steel are respectively provided with a first assembling groove and a second assembling groove, the first assembling groove is arranged along the length direction of the U-shaped steel, the second assembling groove is perpendicular to the first assembling groove, one end of the second assembling groove is communicated with the first assembling groove, and the other end of the second assembling groove extends towards the cable fixing steel plate.
Preferably, the middle of the fixing rod is triangular, the two ends of the fixing rod are threaded rods, and the cable fixing steel plate is fixedly connected with the U-shaped steel through the fixing rod at the second assembling groove.
Preferably, still be equipped with ribbon, fixed orifices and waist hole on the cable fixed steel sheet, the one end of ribbon is connected with the cable fixed steel sheet in fixed orifices department, and the other end is connected with the cable fixed steel sheet in waist hole department, the one end of ribbon can remove in waist hole.
Preferably, the cable fixing steel plates are sequentially arranged in the cable duct body in a staggered mode, a pedestrian passage is arranged in the middle of the cable duct body, and the width of the pedestrian passage is not less than 500 mm.
The invention discloses a cable laying construction process, which comprises the following steps: the method comprises the following steps of cable inspection, cable trench building, cable trench construction, hidden cable laying, cable trench backfilling of a bridge cover plate, cable head inspection and power receiving delivery and use; the cable laying construction process reduces
Drawings
Fig. 1 is a flow chart of a cable laying construction process of the present invention.
Fig. 2 is a first schematic structural diagram of a cable trench in the cable laying construction process.
Fig. 3 is a second schematic structural diagram of a cable trench in the cable laying construction process of the present invention.
Fig. 4 is a schematic structural diagram of a cable fixing steel plate in the cable laying construction process.
Fig. 5 is a schematic structural diagram of a fixing rod in the cable laying construction process of the present invention.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
Wherein: 1. a cable trench body; 2. u-shaped steel; 21. a first fitting groove; 22. a second assembly groove; 3. a cable fixing steel plate; 31. a fixing hole; 32. a waist hole; 33. assembling the block; 34. Fixing the rod; 341. a threaded rod; 35. and (6) binding the belt.
Detailed Description
Referring to fig. 1, the technical scheme of the invention is a cable laying construction process, which comprises the following steps:
s1: cable inspection, which is to inspect whether the specification, model and number of the cables meet the use requirements, and additionally, the insulativity and surface damage condition of the cables need to be inspected;
s2: and building the cable trench until the width of the cable trench is 1200mm and the depth of the cable trench is 1560mm, and casting concrete on two sides and the bottom of the cable trench, wherein the thickness of the concrete layer is not less than 50 mm.
S3: and (4) constructing the cable trench, namely fixing the cable supporting equipment on the side walls of two sides of the cable trench to enable the cables on the two sides to be arranged in parallel.
S4: the cables are laid in a hidden mode, the cables are sleeved one by one, the interior of each cable sleeve is cleaned up, the cables with different loops, different voltage levels and alternating current and direct current penetrate through different tubes, and no joint exists in the tubes.
S5: and backfilling a bridge cover plate of the cable trench, flatly paving the bridge cover plate on the surface of the cable trench, wherein the length of the bridge cover plate is greater than the width of the cable trench.
S6: and (4) cable head inspection, wherein the temperature and whether the cable head rusts and the surrounding environment where the cable head is installed are inspected.
S7: is used by power delivery.
Preferably, in step S1, after the cable is checked to be correct, the cable is transported by a mechanical crane, the cable is strictly prohibited to be pushed off the vehicle, the cable is stored in a classified manner after being taken out of the warehouse, a channel is reserved between every two adjacent cable reels, the width of the channel is not less than 600mm, and water cannot be accumulated in the storage position.
Preferably, in step S4, the distance between the cable line at the bottom layer in the cable trench and the bottom surface of the cable trench is not less than 150mm, the distance between the cable lines at each two adjacent layers is not less than 300mm, and the distance between the cable line at the top layer and the ground surface is not less than 500 mm.
Preferably, in step S5, obvious piles are set every 50m or 100m on the bridge cover plate of the cable trench, and piles are also set at cable joints, bends and building pile foundations.
Please refer to fig. 2-6, the cable trench includes a cable trench body 1, the cross-section of the cable trench body 1 is U-shaped, the inner walls of both sides of the cable trench body 1 are respectively provided with a plurality of groups of U-shaped steel 2, wherein the U-shaped steel 2 is fixed to the concrete layers of both sides of the cable trench body 1 through expansion bolts, a plurality of cable fixing steel plates 3 are arranged in the U-shaped steel 2, the end portions of the cable fixing steel plates 3 are provided with assembling blocks 33, the cable fixing steel plates 3 are detachably connected with the U-shaped steel 2 through the matching of the assembling blocks 33 and the U-shaped grooves, and the cable fixing steel plates 3 are fixedly connected with the U-shaped steel 2 through fixing.
Preferably, a first assembling groove 21 and a second assembling groove 22 are respectively formed on two sides of the U-shaped steel 2, the first assembling groove 21 is formed along the length direction of the U-shaped steel 2, the second assembling groove 22 is perpendicular to the first assembling groove 21, one end of the second assembling groove 22 is communicated with the first assembling groove 21, and the other end of the second assembling groove 22 extends towards the cable fixing steel plate 3.
Preferably, the middle of the fixing rod 34 is triangular, the two ends of the fixing rod 34 are threaded rods 341, the cable fixing steel plate 4 is fixedly connected with the U-shaped steel 2 at the second assembling groove 22 through the fixing rod 34, and the triangular fixing rod 34 can prevent the fixing rod 34 from rotating and slipping in the second assembling groove 22, thereby ensuring the stability of the cable on the cable fixing steel plate 3.
As preferred scheme, still be equipped with ribbon 35, fixed orifices 31 and waist hole 32 on the fixed steel sheet of cable, the one end of ribbon 35 is connected with the fixed steel sheet 3 of cable in fixed orifices 31 department, and the other end is connected with the fixed steel sheet 3 of cable in waist hole 32 department, the one end of ribbon 35 can remove in the waist hole, when binding the cable, can increase application range, guarantees the stability of cable.
As preferred scheme, the fixed steel sheet of cable 3 sets up in cable pit body 1 crisscross in proper order, the centre department of cable pit body 1 is equipped with the pedestrian passageway, and the width of pedestrian passageway is not less than 500mm, can make the staff walk and pass through, and the easy access is maintained.
Based on the above embodiment:
s1: cable inspection, which is to inspect whether the specification, model and number of the cables meet the use requirements, and additionally, the insulativity and surface damage condition of the cables need to be inspected;
s2: and building the cable trench until the width of the cable trench is 1300mm and the depth of the cable trench is 1760mm, and casting concrete on two sides and the bottom of the cable trench, wherein the thickness of a concrete layer is not less than 55 mm.
S3: and (4) constructing the cable trench, namely fixing the cable supporting equipment on the side walls of two sides of the cable trench to enable the cables on the two sides to be arranged in parallel.
S4: the cables are laid in a hidden mode, the cables are sleeved one by one, the interior of each cable sleeve is cleaned up, the cables with different loops, different voltage levels and alternating current and direct current penetrate through different tubes, and no joint exists in the tubes.
S5: and backfilling a bridge cover plate of the cable trench, flatly paving the bridge cover plate on the surface of the cable trench, wherein the length of the bridge cover plate is greater than the width of the cable trench.
S6: and (4) cable head inspection, wherein the temperature and whether the cable head rusts and the surrounding environment where the cable head is installed are inspected.
S7: is used by power delivery.
The cable trench comprises a cable trench body 1, the section of the cable trench body 1 is U-shaped, a plurality of groups of U-shaped steel 2 are arranged on the inner walls of two sides of the cable trench body 1 respectively, the U-shaped steel 2 is fixed into concrete layers on two sides of the cable trench body 1 through expansion bolts, a plurality of cable fixing steel plates 3 are arranged in the U-shaped steel 2, the end parts of the cable fixing steel plates 3 are tilted upwards, the tilting angle is 20-30 degrees, and cables are prevented from being separated from the cable fixing steel plates 3; the cable fixing steel plates 3 are sequentially and alternately arranged in the cable trench body 1, a pedestrian passage is arranged in the middle of the cable trench body 1, the width of the pedestrian passage is not less than 500mm, workers can walk through the pedestrian passage, and the cable trench is convenient to overhaul and maintain.
Based on the above embodiment:
s1: cable inspection, which is to inspect whether the specification, model and number of the cables meet the use requirements, and additionally, the insulativity and surface damage condition of the cables need to be inspected;
s2: and constructing the cable trench until the width of the cable trench is 1400mm and the depth is 1860mm, and casting concrete on two sides and the bottom of the cable trench, wherein the thickness of the concrete layer is not less than 60 mm.
S3: and (4) constructing the cable trench, namely fixing the cable supporting equipment on the side walls of two sides of the cable trench to enable the cables on the two sides to be arranged in parallel.
S4: the cables are laid in a hidden mode, the cables are sleeved one by one, the interior of each cable sleeve is cleaned up, the cables with different loops, different voltage levels and alternating current and direct current penetrate through different tubes, and no joint exists in the tubes.
S5: and backfilling a bridge cover plate of the cable trench, flatly paving the bridge cover plate on the surface of the cable trench, wherein the length of the bridge cover plate is greater than the width of the cable trench.
S6: and (4) cable head inspection, wherein the temperature and whether the cable head rusts and the surrounding environment where the cable head is installed are inspected.
S7: is used by power delivery.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A cable laying construction process is characterized in that: the method comprises the following steps:
s1: cable inspection, which is to inspect whether the specification, model and number of the cables meet the use requirements, and additionally, the insulativity and surface damage condition of the cables need to be inspected;
s2: and building the cable trench until the width of the cable trench is 1200-1400mm and the depth is 1560-1860mm, and casting concrete on the two sides and the bottom of the cable trench, wherein the thickness of the concrete layer is not less than 50 mm.
S3: and (4) constructing the cable trench, namely fixing the cable supporting equipment on the side walls of two sides of the cable trench to enable the cables on the two sides to be arranged in parallel.
S4: the cables are laid in a hidden mode, the cables are sleeved one by one, the interior of each cable sleeve is cleaned up, the cables with different loops, different voltage levels and alternating current and direct current penetrate through different tubes, and no joint exists in the tubes.
S5: and backfilling a bridge cover plate of the cable trench, flatly paving the bridge cover plate on the surface of the cable trench, wherein the length of the bridge cover plate is greater than the width of the cable trench.
S6: and (6) checking a cable head.
S7: is used by power delivery.
2. A cabling construction process according to claim 1, wherein: in the step S1, after the cable is checked to be correct, the cable is loaded and transported in a mechanical hoisting mode, the cable is strictly forbidden to be directly pushed off the vehicle, the cable is stored in a centralized and classified mode after being taken out of a warehouse, a channel is reserved between every two adjacent cable reels, the width of the channel is not smaller than 600mm, and water cannot be accumulated in the storage position.
3. A cabling construction process according to claim 1, wherein: in the step S4, the distance between the cable line at the bottom layer in the cable trench and the bottom surface of the cable trench is not less than 150mm, the distance between the cable lines at every two adjacent layers is not less than 300mm, and the distance between the cable line at the top layer and the ground surface is not less than 500 mm.
4. A cabling construction process according to claim 1, wherein: in the step S5, obvious piles are set every 50m or 100m on the bridge cover plate of the cable trench, and piles are also set at cable joints, bends, and building pile foundations.
5. A cabling process according to claim 3 or 4, wherein: the cable pit includes the cable pit body, the cross-section of cable pit body is the U-shaped, the both sides inner wall of cable pit body is equipped with multiunit U shaped steel respectively, be equipped with the fixed steel sheet of a plurality of cables in the U shaped steel, the tip of the fixed steel sheet of cable is equipped with the assembly piece, the fixed steel sheet of cable passes through the cooperation of assembly piece and U type groove and can dismantle with U shaped steel and be connected, the fixed steel sheet of cable passes through dead lever fixed connection when assembling with U shaped steel.
6. A cabling construction process according to claim 5, wherein: the two sides of the U-shaped steel are respectively provided with a first assembling groove and a second assembling groove, the first assembling groove is arranged along the length direction of the U-shaped steel, the second assembling groove is perpendicular to the first assembling groove, one end of the second assembling groove is communicated with the first assembling groove, and the other end of the second assembling groove extends towards the direction of the cable fixing steel plate.
7. A cabling construction process according to claim 5, wherein: the middle of the fixing rod is triangular, the two ends of the fixing rod are threaded rods, and the cable fixing steel plate is fixedly connected with the U-shaped steel through the fixing rod at the second assembling groove.
8. A cabling process according to claim 6 or 7, wherein: the cable fixing steel plate is characterized in that a binding belt, a fixing hole and a waist hole are further formed in the cable fixing steel plate, one end of the binding belt is connected with the cable fixing steel plate at the fixing hole, the other end of the binding belt is connected with the cable fixing steel plate at the waist hole, and one end of the binding belt can move in the waist hole.
9. A cable construction laying process according to claim 8, wherein: the cable fixing steel plates are sequentially arranged in the cable duct body in a staggered mode, a pedestrian channel is arranged in the middle of the cable duct body, and the width of the pedestrian channel is not less than 500 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110403093.2A CN113013789B (en) | 2021-04-15 | 2021-04-15 | Cable laying construction process |
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| CN202110403093.2A CN113013789B (en) | 2021-04-15 | 2021-04-15 | Cable laying construction process |
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| CN113013789B CN113013789B (en) | 2023-03-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114843928A (en) * | 2022-04-19 | 2022-08-02 | 北京国网先行电力建设有限公司 | Rapid construction method for urban high-low voltage distribution project |
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| CN114843928A (en) * | 2022-04-19 | 2022-08-02 | 北京国网先行电力建设有限公司 | Rapid construction method for urban high-low voltage distribution project |
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| Publication number | Publication date |
|---|---|
| CN113013789B (en) | 2023-03-14 |
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Denomination of invention: A Construction Technology for Cable Laying Effective date of registration: 20230919 Granted publication date: 20230314 Pledgee: Mazhai Industrial Park sub branch of Bank of Zhengzhou Co.,Ltd. Pledgor: HUIYUAN ELECTRIC OMPLETE CO.,LTD. Registration number: Y2023980057331 |
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Denomination of invention: A cable laying construction process Granted publication date: 20230314 Pledgee: Mazhai Industrial Park sub branch of Bank of Zhengzhou Co.,Ltd. Pledgor: HUIYUAN ELECTRIC OMPLETE CO.,LTD. Registration number: Y2024980023513 |