CN104089090A - Cable tray installation requirements - Google Patents
Cable tray installation requirements Download PDFInfo
- Publication number
- CN104089090A CN104089090A CN201410321966.5A CN201410321966A CN104089090A CN 104089090 A CN104089090 A CN 104089090A CN 201410321966 A CN201410321966 A CN 201410321966A CN 104089090 A CN104089090 A CN 104089090A
- Authority
- CN
- China
- Prior art keywords
- cable
- crane span
- span structure
- vertical
- meters
- 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.)
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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
- 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
- H02G3/0406—Details thereof
-
- 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
Abstract
The invention discloses cable tray installation requirements. The requirements include that when a channel type large-span cable tray enters a building from the outside, the outward gradient of the cable tray is not smaller than 1/100; when the cable tray crosses over an electric device, the clear distance between the cable tray and the electric device is not smaller than 0.4-0.6 m; when two cable trays are laid at the same altitude in parallel, the clear distance between the two cable trays is not smaller than 0.5-0.7 m; the cable tray is higher than the ground by over 2.2 m, the distance between the top of the cable tray and a ceiling or other obstacles is not smaller than 0.3 m, the width of the cable tray is not smaller than 0.1 m, and the filling rate of the interior cross section of the cable tray does not exceed 50%; when the cable trays are laid horizontally, the supporting interval is 1.5-3 m usually; when the cable trays are laid perpendicularly, the distance between the positions, fixed on the building, of the cable trays is smaller than 2 m. According to the cable tray installation requirements, cable tray installation can be achieved quickly by working staff, working efficiency is improved, and time is saved.
Description
Technical field
The present invention relates to a kind of installation requirement of crane span structure, belong to crane span structure installing area.
Background technique
Slot type, pallet, the difference channel-type cable bridge of ladder-type cable bridge is a kind of full enclosed type cable testing bridge, it is best suited for lays computer cable, communication cable, the control cables of thermocouple cable and other high quick system etc., it has better effects to the protection of cable in the shielding interference of control cables and heavy corrosion environment, channel-type cable bridge guard shield is with the supporting supply of material of cell body, other accessories and ladder-type, pellet type crane span structure is general, pellet type cable crane span structure is oil, chemical industry, light industry, TV, the aspects such as telecommunication are most widely used a kind of, it has, and heavily reason is light, load is large, handsome in appearance, simple in structure, the advantage such as easy for installation.It had both been applicable to the installation of power cable, also saturating laying for control cables, its surface treatment of tray type cable bridge is divided into plating and sprays paint two kinds, can special preservative treatment in heavy corrosion environment, tray type cable bridge has guard shield, in the time of need to joining guard shield, can when ordering goods, indicate or order goods according to guard shield model, its all accessories and pellet type, trough type bridge frame be general; Channel-type cable bridge is mainly used in laying the little but electric wire that quantity is many in cross section; The structure type that pellet type cable crane span structure is mainly used in laying the current crane span structure of power cable of the large negligible amounts in cross section can be divided into: perforated tray, non-porous tray, ladder and assembly type pallet.
Summary of the invention
Goal of the invention: in order to overcome the installation challenge existing in prior art, the invention provides a kind of installation requirement of crane span structure.
Technological scheme: for achieving the above object, the invention provides a kind of installation requirement of crane span structure, comprise the steps:
(1) slot type large span cable bridge rack is by outdoor while entering in building, and the outside gradient of crane span structure is not less than 1/100;
(2), when cable testing bridge and consumer are handed over more, clear distance is therebetween not less than 0.4～0.6m;
(3) two groups of cable testing bridges are when sustained height parallel lay-up, and clear distance is not less than 0.5～0.7m therebetween;
(4) on parallel figure, draw the route of crane span structure, indicate crane span structure starting point, terminal, the coordinate of turn round point, point of branching and lift points or location dimension, absolute altitude;
(5) the crane span structure strong point, as column, trailing arm or non-standard, the spacing of framework, mounting type, model specification, absolute altitude, can agree to tabulate in the plane, and also sectional marks with different sectional drawings, single line drawing or detailed drawing and represents;
(6) under cable leading, put position and draw lower mode, generally speaking, available vertical curved fishplate bar and vertical drawing frame under large quantities of cable leadings, available guide plate or skirt under a small amount of cable leading;
(7) cable testing bridge should be above ground level more than 2.2 meters, and gantry top is not less than 0.3 meter apart from ceiling or other obstacle, and crane span structure width should not be less than 0.1 meter, and in crane span structure, the fill factor of transverse section should not surpass 50%;
(8) in cable testing bridge during cable vertical run, in the upper end of cable with should be fixed on the support of crane span structure at interval of 1.5 meters of, during horizontal laying, in initial and end, the turning of cable and be fixed at interval of 3～5 meters of.
(9) while arranging in furred ceiling, groove lid opening face keeps the vertical clearance of 80 millimeters, and wire casing cross section utilization ratio should not surpass 50%.
(10) laying can not colligation at the cable of wire casing, and in groove, cable should be straight, and in groove, cable should be straight, do not intersect as far as possible, and cable should not overflow wire casing, and in cable line groove location, turning answers colligation to fix.Vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters.
(11) at level, vertical crane span structure with while laying line in vertical wire casing, reply cable carries out colligation, and cable be take 24 as restrainting, and 25 pairs or above trunk line cable, optical cable and other signal cable should be counted beam splitting colligation according to the type of cable, cable footpath, cable core.Colligation spacing should not be greater than 1.5 meters, and button spacing should be even, degree of tightness appropriateness.
(12) during crane span structure horizontal laying, support interval is generally 1.5-3m, and the spacing being fixed on during vertical run on building structure body should be less than 2m.
The present invention is conducive to staff's erection bridge fast, increases work efficiency, and has saved the time.
Described vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters, like this can be better fixing crane span structure.
Beneficial effect: prior art of the present invention is compared tool and had the following advantages:
1, the present invention is conducive to staff's erection bridge fast, increases work efficiency, and has saved the time;
2, by vertical wire casing, lay cable on cable support, like this can be better fixing crane span structure.
Embodiment
Below in conjunction with accompanying drawing and by specific embodiment, the present invention is further elaborated, be noted that for those skilled in the art, under the premise without departing from the principles of the invention, the modification of the various equivalent form of values of the present invention is all fallen within to the application's claims limited range.
Embodiment 1:
An installation requirement for crane span structure, comprises the steps:
(1) slot type large span cable bridge rack is by outdoor while entering in building, and the outside gradient of crane span structure is not less than 1/100;
(2), when cable testing bridge and consumer are handed over more, clear distance is therebetween not less than 0.4m;
(3) two groups of cable testing bridges are when sustained height parallel lay-up, and clear distance is not less than 0.5m therebetween;
(4) on parallel figure, draw the route of crane span structure, indicate crane span structure starting point, terminal, the coordinate of turn round point, point of branching and lift points or location dimension, absolute altitude;
(5) the crane span structure strong point, as column, trailing arm or non-standard, the spacing of framework, mounting type, model specification, absolute altitude, can agree to tabulate in the plane, and also sectional marks with different sectional drawings, single line drawing or detailed drawing and represents;
(6) under cable leading, put position and draw lower mode, generally speaking, available vertical curved fishplate bar and vertical drawing frame under large quantities of cable leadings, available guide plate or skirt under a small amount of cable leading;
(7) cable testing bridge should be above ground level more than 2.2 meters, and gantry top is not less than 0.3 meter apart from ceiling or other obstacle, and crane span structure width is not less than 0.1 meter, and in crane span structure, the fill factor of transverse section should not surpass 50%;
(8) in cable testing bridge during cable vertical run, in the upper end of cable with should be fixed on the support of crane span structure at interval of 1.5 meters of, during horizontal laying, in initial and end, the turning of cable and be fixed at interval of 3 meters of, described vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters, like this can be better fixing crane span structure.
(9) while arranging in furred ceiling, groove lid opening face keeps the vertical clearance of 80 millimeters, and wire casing cross section utilization ratio should not surpass 50%.
(10) laying can not colligation at the cable of wire casing, and in groove, cable should be straight, and in groove, cable should be straight, do not intersect as far as possible, and cable should not overflow wire casing, and in cable line groove location, turning answers colligation to fix.Vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters.
(11) at level, vertical crane span structure with while laying line in vertical wire casing, reply cable carries out colligation, and cable be take 24 as restrainting, and 25 pairs or above trunk line cable, optical cable and other signal cable should be counted beam splitting colligation according to the type of cable, cable footpath, cable core.Colligation spacing is not more than 1.5 meters, and button spacing should be even, degree of tightness appropriateness.
(12) during crane span structure horizontal laying, support interval is generally 1.5m, and the spacing being fixed on during vertical run on building structure body should be less than 2m.
The present invention is conducive to staff's erection bridge fast, increases work efficiency, and has saved the time.
Embodiment 2:
An installation requirement for crane span structure, comprises the steps:
(1) slot type large span cable bridge rack is by outdoor while entering in building, and the outside gradient of crane span structure is not less than 1/100;
(2), when cable testing bridge and consumer are handed over more, clear distance is therebetween not less than 0.5m;
(3) two groups of cable testing bridges are when sustained height parallel lay-up, and clear distance is not less than 0.6m therebetween;
(4) on parallel figure, draw the route of crane span structure, indicate crane span structure starting point, terminal, the coordinate of turn round point, point of branching and lift points or location dimension, absolute altitude;
(5) the crane span structure strong point, as column, trailing arm or non-standard, the spacing of framework, mounting type, model specification, absolute altitude, can agree to tabulate in the plane, and also sectional marks with different sectional drawings, single line drawing or detailed drawing and represents;
(6) under cable leading, put position and draw lower mode, generally speaking, available vertical curved fishplate bar and vertical drawing frame under large quantities of cable leadings, available guide plate or skirt under a small amount of cable leading;
(7) cable testing bridge should be above ground level more than 2.2 meters, and gantry top is not less than 0.3 meter apart from ceiling or other obstacle, and crane span structure width is not less than 0.1 meter, and in crane span structure, the fill factor of transverse section should not surpass 50%;
(8) in cable testing bridge during cable vertical run, in the upper end of cable with should be fixed on the support of crane span structure at interval of 1.5 meters of, during horizontal laying, in initial and end, the turning of cable and be fixed at interval of 4 meters of, described vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters, like this can be better fixing crane span structure.
(9) while arranging in furred ceiling, groove lid opening face keeps the vertical clearance of 80 millimeters, and wire casing cross section utilization ratio should not surpass 50%.
(10) laying can not colligation at the cable of wire casing, and in groove, cable should be straight, and in groove, cable should be straight, do not intersect as far as possible, and cable should not overflow wire casing, and in cable line groove location, turning answers colligation to fix.Vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters.
(11) at level, vertical crane span structure with while laying line in vertical wire casing, reply cable carries out colligation, and cable be take 24 as restrainting, and 25 pairs or above trunk line cable, optical cable and other signal cable should be counted beam splitting colligation according to the type of cable, cable footpath, cable core.Colligation spacing is not more than 1.5 meters, and button spacing should be even, degree of tightness appropriateness.
(12) during crane span structure horizontal laying, support interval is generally 2m, and the spacing being fixed on during vertical run on building structure body should be less than 2m.
The present invention is conducive to staff's erection bridge fast, increases work efficiency, and has saved the time.
Embodiment 3:
An installation requirement for crane span structure, comprises the steps:
(1) slot type large span cable bridge rack is by outdoor while entering in building, and the outside gradient of crane span structure is not less than 1/100;
(2), when cable testing bridge and consumer are handed over more, clear distance is therebetween not less than 0.6m;
(3) two groups of cable testing bridges are when sustained height parallel lay-up, and clear distance is not less than 0.7m therebetween;
(4) on parallel figure, draw the route of crane span structure, indicate crane span structure starting point, terminal, the coordinate of turn round point, point of branching and lift points or location dimension, absolute altitude;
(5) the crane span structure strong point, as column, trailing arm or non-standard, the spacing of framework, mounting type, model specification, absolute altitude, can agree to tabulate in the plane, and also sectional marks with different sectional drawings, single line drawing or detailed drawing and represents;
(6) under cable leading, put position and draw lower mode, generally speaking, available vertical curved fishplate bar and vertical drawing frame under large quantities of cable leadings, available guide plate or skirt under a small amount of cable leading;
(7) cable testing bridge should be above ground level more than 2.2 meters, and gantry top is not less than 0.3 meter apart from ceiling or other obstacle, and crane span structure width is not less than 0.1 meter, and in crane span structure, the fill factor of transverse section should not surpass 50%;
(8) in cable testing bridge during cable vertical run, in the upper end of cable with should be fixed on the support of crane span structure at interval of 1.5 meters of, during horizontal laying, in initial and end, the turning of cable and be fixed at interval of 3～5 meters of, described vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters, like this can be better fixing crane span structure.
(9) while arranging in furred ceiling, groove lid opening face keeps the vertical clearance of 80 millimeters, and wire casing cross section utilization ratio should not surpass 50%.
(10) laying can not colligation at the cable of wire casing, and in groove, cable should be straight, and in groove, cable should be straight, do not intersect as far as possible, and cable should not overflow wire casing, and in cable line groove location, turning answers colligation to fix.Vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters.
(11) at level, vertical crane span structure with while laying line in vertical wire casing, reply cable carries out colligation, and cable be take 24 as restrainting, and 25 pairs or above trunk line cable, optical cable and other signal cable should be counted beam splitting colligation according to the type of cable, cable footpath, cable core.Colligation spacing is not more than 1.5 meters, and button spacing should be even, degree of tightness appropriateness.
(12) during crane span structure horizontal laying, support interval is generally 3m, and the spacing being fixed on during vertical run on building structure body should be less than 2m.
The present invention is conducive to staff's erection bridge fast, increases work efficiency, and has saved the time.
Claims (2)
1. an installation requirement for crane span structure, is characterized in that: comprise the steps:
(1) slot type large span cable bridge rack is by outdoor while entering in building, and the outside gradient of crane span structure is not less than 1/100;
(2), when cable testing bridge and consumer are handed over more, clear distance is therebetween not less than 0.4～0.6m;
(3) two groups of cable testing bridges are when sustained height parallel lay-up, and clear distance is not less than 0.5～0.7m therebetween;
(4) on parallel figure, draw the route of crane span structure, indicate crane span structure starting point, terminal, the coordinate of turn round point, point of branching and lift points or location dimension, absolute altitude;
(5) the crane span structure strong point, as column, trailing arm or non-standard, the spacing of framework, mounting type, model specification, absolute altitude, can agree to tabulate in the plane, and also sectional marks with different sectional drawings, single line drawing or detailed drawing and represents;
(6) under cable leading, put position and draw lower mode, generally speaking, available vertical curved fishplate bar and vertical drawing frame under large quantities of cable leadings, available guide plate or skirt under a small amount of cable leading;
(7) cable testing bridge should be above ground level more than 2.2 meters, and gantry top is not less than 0.3 meter apart from ceiling or other obstacle, and crane span structure width should not be less than 0.1 meter, and in crane span structure, the fill factor of transverse section should not surpass 50%;
(8) in cable testing bridge during cable vertical run, in the upper end of cable with should be fixed on the support of crane span structure at interval of 1.5 meters of, during horizontal laying, in initial and end, the turning of cable and be fixed at interval of 3～5 meters of;
(9) while arranging in furred ceiling, groove lid opening face keeps the vertical clearance of 80 millimeters, and wire casing cross section utilization ratio should not surpass 50%;
(10) laying can not colligation at the cable of wire casing, and in groove, cable should be straight, and in groove, cable should be straight, do not intersect, cable should not overflow wire casing as far as possible, in cable line groove location, turning answers colligation to fix, and vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters;
(11) at level, vertical crane span structure with while laying line in vertical wire casing, colligation spacing is not more than 1.5 meters, and button spacing should be even, and degree of tightness is appropriate;
(12) during crane span structure horizontal laying, support interval is generally 1.5-3m, and the spacing being fixed on during vertical run on building structure body should be less than 2m.
2. according to the installation requirement of a kind of crane span structure described in claims 1, it is characterized in that: described vertical wire casing lays cable and should be fixed on cable support at interval of 1.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321966.5A CN104089090A (en) | 2014-07-08 | 2014-07-08 | Cable tray installation requirements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321966.5A CN104089090A (en) | 2014-07-08 | 2014-07-08 | Cable tray installation requirements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104089090A true CN104089090A (en) | 2014-10-08 |
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ID=51636832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410321966.5A Pending CN104089090A (en) | 2014-07-08 | 2014-07-08 | Cable tray installation requirements |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848938A (en) * | 2017-02-17 | 2017-06-13 | 中国十七冶集团有限公司 | Cable testing bridge hanging installation method under a kind of High Altitude Platform |
| CN107769108A (en) * | 2016-09-05 | 2018-03-06 | 北京新创迪克系统集成技术有限公司 | A kind of installation method of the cable testing bridge of weak electricity system |
| CN108736406A (en) * | 2017-04-24 | 2018-11-02 | 五冶集团上海有限公司 | Wire casing laying and construction method |
-
2014
- 2014-07-08 CN CN201410321966.5A patent/CN104089090A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769108A (en) * | 2016-09-05 | 2018-03-06 | 北京新创迪克系统集成技术有限公司 | A kind of installation method of the cable testing bridge of weak electricity system |
| CN106848938A (en) * | 2017-02-17 | 2017-06-13 | 中国十七冶集团有限公司 | Cable testing bridge hanging installation method under a kind of High Altitude Platform |
| CN108736406A (en) * | 2017-04-24 | 2018-11-02 | 五冶集团上海有限公司 | Wire casing laying and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 212214 Jiangsu city of Yangzhong Province You Fang Zhen Chang Wang Shuangqiao North Street Applicant after: Jiangsu Haiwei Group Co., Ltd. Address before: 212214 Jiangsu city of Yangzhou province Yangzhong city you Fang Zhen Chang Wang Shuang Qiao Bei Applicant before: Jiangsu Haiwei Group Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141008 |