CN106320525A - Construction method for rotating and sliding large-span round steel pipe truss of ceiling of light well - Google Patents

Construction method for rotating and sliding large-span round steel pipe truss of ceiling of light well Download PDF

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Publication number
CN106320525A
CN106320525A CN201610716829.0A CN201610716829A CN106320525A CN 106320525 A CN106320525 A CN 106320525A CN 201610716829 A CN201610716829 A CN 201610716829A CN 106320525 A CN106320525 A CN 106320525A
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CN
China
Prior art keywords
truss
dolly
boom
construction
rope
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CN201610716829.0A
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Chinese (zh)
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CN106320525B (en
Inventor
姜博昱
姜雪岐
李永新
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Jiangsu Nantong Three Construction Group Ltd By Share Ltd
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Jiangsu Nantong Three Construction Group Ltd By Share Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35Extraordinary methods of construction, e.g. lift-slab, jack-block
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E04B2001/3588Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails

Abstract

The invention discloses a construction method for rotating and sliding a large-span round steel pipe truss of a ceiling of a light well. The construction method has the advantages that by adopting the manner of rotating, sliding and lifting each truss to a proper position by two specially-made trolleys, the difficulty in lifting is little, the control is flexible and convenient, the installation accuracy is high, and the safety threat in overhead operation is avoided; the erection of scaffolds is not needed, the construction procedure is simplified, the construction period is shortened, thus the construction efficiency of the light well is effectively improved, and the construction cost is reduced.

Description

Light shaft ceiling large span round steel pipe truss rotation-sliding construction method
Technical field
The invention belongs to light shaft technical field of construction, be specifically related to a kind of light shaft ceiling large span round steel pipe truss rotation Turn gliding construction method.
Background technology
The central authorities " going back to " font building building are with rectangle light shaft, and light shaft ceiling is supported toughened rubber-laminated vacuum glass by five truss structures Glass shelf daylighting roofing, the truss of employing generally includes a thick straight steel pipe top boom and an arc thick steel pipe lower boom, lower edge Bar is welded to connect integral by its two ends and many thin straight steel pipe web member.The length of one truss structure exists in more than 25m, weight More than 3000kg, be arranged on light shaft a diagonal on, be installed in parallel in a truss structure between remaining four truss structure etc. Both sides, owing to the degree of depth of light shaft reaches more than 60m, traditional truck crane, crawler crane etc. all reach, and tower crane is a long way off, super Load can not be hung, and is not easy to control;As used the mode setting up full hall shelf, steel pipe, fastener consumption are huge, and long-term work high above the ground is endangered Dangerous greatly, dangerous;Simultaneously because the span of truss is also corresponding very big, adding weight factor, handling difficulty is the biggest.This The duration resulting in the construction of present stage light shaft is considerably long, and is extremely difficult to codes and standards, is unfavorable for the raising of efficiency of construction.
Summary of the invention
The technical problem to be solved is to provide a kind of light shaft ceiling large span round steel pipe truss rotation-sliding Construction method, can be effectively improved the efficiency of construction of light shaft, reduction of erection time by this construction method.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
Light shaft ceiling large span round steel pipe truss rotation-sliding construction method, comprises the following steps:
(1) on top layer roofing lay plank, as the prefabricated platform of truss, five truss structures are prefabricated complete after, at each truss Welding hinge on top boom, the two ends of top boom are welded with extension;
(2) top pre-embedded steel slab bearing, root at top layer inside casing trestle fix the steel wire rope head rope and nylon wire, the steel wire rope head rope In light shaft, first form " well " shape, then the inside casing trestle lain around fixes, and then nylon wire is spread over steel wire rope In the head rope, and tying up around being stitched together by its long limit, two ends are fixed in the steel wire rope head rope;
(3) at four drift angles of light shaft, triangle protective platform is set up;
(4) top layer roofing flitch and plank are leveled up, and eject the track camber line of each truss;
The extension metal binding wire rope at (5) one truss structure top boom two ends, catches on steel respectively with the hook of dolly I and dolly II Wire rope, and pin, this truss of then slinging makes it vertical, stablizes 10-20min, checks and continues steadily after not having abnormal conditions Sling, stop when lower boom minimum point is from inner frame column top 200-250mm, stablize 10-15min;
(6) dolly I is temporarily fixed at the circle centre position of corresponding track camber line, and as between center of rotation, two steel wire cables Horizontal range be radius, along the track camber line ejected dolly II moved and fixes to precalculated position temporarily, then move Dolly I, moves to light shaft diagonal two inner frame column tops by two dollies alternately mobile pre-buried by top boom The surface of bearing, two dollies reduce a truss structure simultaneously and put in place, with pin, the hinge on top boom are fixed on bearing On;
(7) according to the move mode of two dollies in step (5) and step (6), remaining four truss structure is installed the most abreast On the inside casing trestle of truss structure both sides;
(8) with the extension of hacksaw excision top boom, then weld shrouding, toughened rubber-laminated vacuum glass can be carried out after preservative treatment and adopt The installation in light shed face.
Described dolly I and dolly II all includes crossbeam and Electric Chain Blocks elevator, and the central authorities of beam surface upper are provided with Suspension ring, crossbeam lower surface be respectively arranged at two ends with sleeper beam normal thereto, the lower surface of sleeper beam is provided with the supporting leg of inverted V-shaped, supporting leg Bottom be provided with base, the bottom symmetrical of base is provided with universal wheel, base be respectively arranged at two ends with adjustable spike, supporting leg Top between have crosspiece, be arranged with the diagonal brace of inclination between upper surface and the crossbeam of crosspiece, Electric Chain Blocks carries The machine of liter is fixed on suspension ring and crossbeam by anticreep hook rope.
The a length of 800-1000mm of described extension.
The invention have the advantage that the present invention uses two special dollies that each truss rotation-sliding lifts the side put in place Formula, handling difficulty is little, controls flexible, installs degree of accuracy height, there is not the security threat of work high above the ground, and full without setting up Hall shelf, simplifies working procedure, shortens the duration, thus be effectively increased the efficiency of construction of light shaft, also reduce construction Cost.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the construction schematic diagram of the present invention;
Fig. 2 be in the present invention dolly face structural representation;
Fig. 3 is the side-looking structural representation of dolly in the present invention;
Fig. 4 is the attachment structure schematic diagram in the present invention between truss and inside casing trestle;
Fig. 5 is five truss structures distributed architecture schematic diagram on light shaft in the present invention.
Wherein, 1, truss, 2, top boom, 21, extension, 3, lower boom, 4, hinge, 41, bearing, 5, inside casing trestle, 6, The steel wire rope head rope, 7, nylon wire, 8, dolly I, 81, dolly II, 801, crossbeam, 802, sleeper beam, 803, supporting leg, 804, base, 805, universal wheel, 806, Electric Chain Blocks elevator, 807, crosspiece, 808, diagonal brace, 809, reinforcing plate, 810, a spike, 811, suspension ring, 812, anticreep hook rope, 9, protective platform, 10, light shaft, 11, steel wire cable.
Detailed description of the invention:
As it is shown in figure 1, light shaft ceiling large span round steel pipe truss rotation-sliding construction method, comprise the following steps:
(1) on top layer roofing lay plank, as the prefabricated platform of truss, five truss structures are prefabricated complete after, at each truss 1 Welding hinge 4 on top boom 2, the two ends of top boom 2 are welded with extension 21, a length of 800-1000mm of extension 21;
(2) top pre-embedded steel slab bearing 41, root at top layer inside casing trestle 5 fix the steel wire rope head rope 6 and nylon wire 7, steel wire Netting guiding principle 6 first forms " well " shape in light shaft 10, then the inside casing trestle 5 lain around fixes, and is then spread by nylon wire 7 Exhibition is in the steel wire rope head rope 6, and ties up around being stitched together by its long limit, and two ends are fixed in the steel wire rope head rope 6;
(3) at 10 4 drift angles of light shaft, triangle protective platform 9 is set up;
(4) top layer roofing flitch and plank are leveled up, and eject the track camber line of each truss;
The extension 21 metal binding wire rope 11 at (5) one truss structure top boom 2 two ends, divides with the hook of dolly I8 and dolly II81 Not catching on steel wire cable 11, and pin, as shown in Figures 2 and 3, dolly I8 and dolly II81 all includes crossbeam 801 and loop chain electricity Dynamic calabash elevator 806, the central authorities of crossbeam 801 upper surface are provided with suspension ring 811, crossbeam 801 lower surface be respectively arranged at two ends with Vertical sleeper beam 802, the lower surface of sleeper beam 802 is provided with the supporting leg 803 of inverted V-shaped, and the bottom of supporting leg 803 is provided with base 804, the end Seat 804 bottom symmetrical be provided with universal wheel 805, base 804 be respectively arranged at two ends with adjustable spike 810, supporting leg 803 Have crosspiece 807 between top, between upper surface and the crossbeam 801 of crosspiece 807, be arranged with the diagonal brace 808 of inclination, loop chain Electric block elevator 806 is hung on suspension ring 800 and crossbeam 801 by anticreep hook rope 812 bundle;Then Electric Chain Blocks is started Elevator 806 this truss of slinging makes it vertical, stablize 10-20min, and inspection continues steadily to sling after not having abnormal conditions, treats down Chord member 3 minimum point stops when inside casing trestle 5 top 200-250mm, stablizes 10-15min;
(6) dolly I8 is temporarily fixed at the circle centre position of corresponding track camber line by regulation spike 810, and as center of rotation, Horizontal range between two steel wire cables 11 is radius, is moved to precalculated position by dolly II81 along the track camber line ejected Regulating thereon spike 810 to fix temporarily, then move dolly I8, top boom 2 is moved by the most mobile by two dollies Moving to light shaft 10 diagonal the surface of two pre-buried bearings 41 in inside casing trestle 5 top, two dollies reduce by one simultaneously Truss structure 1 puts in place, is fixed on bearing 41 by the hinge 4 on top boom 2 with pin, as shown in Figure 4;
(7) according to the move mode of two dollies in step (5) and step (6), remaining four truss structure is installed the most abreast On the inside casing trestle 5 of truss structure 1 both sides, as shown in Figure 5;
(8) with the extension 21 of hacksaw excision top boom, then weld shrouding, toughened rubber-laminated vacuum glass after preservative treatment, can be carried out The installation of shelf daylighting roofing.
In the present invention, the crosspiece 807 on dolly I8 and dolly II81 and diagonal brace 808 play the work strengthening car body jointly With, meanwhile, in order to improve crossbeam 801 by dynamics, can steel thick for center weldment 10-12mm on the upper and lower surface of crossbeam 801 Reinforcing plate 809, suspension ring 811 are welded on the central authorities of upper surface reinforcing plate 809 the most again, and two dollies can be hung by instruments such as tower cranes Being filled on top layer roofing, it is possible to scene carries out welding production, make simple and convenient, consumptive material is few, the most there is not high-altitude and make during construction The security threat of industry, is conducive to shortening the construction period.
In the present invention, the steel wire cable 11 hooked due to two dollies is that colligation is on extension 21 so that stress Point on top boom 2, the center of gravity of truss 1 has sunk to below stress point, during adding dolly rotation-sliding and install After stability, reducing work progress is affected by space, and the overall structure of truss 1 will not in whole work progress Because being deformed by active forces such as pushing up, push away, squeeze, the support strength to toughened rubber-laminated vacuum glass lighting shed face also would not be affected.

Claims (3)

1. light shaft ceiling large span round steel pipe truss rotation-sliding construction method, it is characterised in that comprise the following steps:
(1) on top layer roofing lay plank, as the prefabricated platform of truss, five truss structures are prefabricated complete after, at each truss Welding hinge on top boom, the two ends of top boom are welded with extension;
(2) top pre-embedded steel slab bearing, root at top layer inside casing trestle fix the steel wire rope head rope and nylon wire, the steel wire rope head rope In light shaft, first form " well " shape, then the inside casing trestle lain around fixes, and then nylon wire is spread over steel wire rope In the head rope, and tying up around being stitched together by its long limit, two ends are fixed in the steel wire rope head rope;
(3) at four drift angles of light shaft, triangle protective platform is set up;
(4) top layer roofing flitch and plank are leveled up, and eject the track camber line of each truss;
The extension metal binding wire rope at (5) one truss structure top boom two ends, catches on steel respectively with the hook of dolly I and dolly II Wire rope, and pin, this truss of then slinging makes it vertical, stablizes 10-20min, checks and continues steadily after not having abnormal conditions Sling, stop when lower boom minimum point is from inner frame column top 200-250mm, stablize 10-15min;
(6) dolly I is temporarily fixed at the circle centre position of corresponding track camber line, and as between center of rotation, two steel wire cables Horizontal range be radius, along the track camber line ejected dolly II moved and fixes to precalculated position temporarily, then move Dolly I, moves to light shaft diagonal two inner frame column tops by two dollies alternately mobile pre-buried by top boom The surface of bearing, two dollies reduce a truss structure simultaneously and put in place, with pin, the hinge on top boom are fixed on bearing On;
(7) according to the move mode of two dollies in step (5) and step (6), remaining four truss structure is installed the most abreast On the inside casing trestle of truss structure both sides;
(8) with the extension of hacksaw excision top boom, then weld shrouding, toughened rubber-laminated vacuum glass can be carried out after preservative treatment and adopt The installation in light shed face.
Construction method the most according to claim 1, it is characterised in that described dolly I and dolly II all includes crossbeam and ring Chain electric block elevator, the central authorities of described beam surface upper are provided with suspension ring, described crossbeam lower surface be respectively arranged at two ends with Vertical sleeper beam, the lower surface of described sleeper beam is provided with the supporting leg of inverted V-shaped, and the bottom of described supporting leg is provided with base, described base Bottom symmetrical be provided with universal wheel, described base be respectively arranged at two ends with adjustable spike, between the top of described supporting leg Having crosspiece, be arranged with the diagonal brace of inclination between upper surface and the crossbeam of described crosspiece, described Electric Chain Blocks promotes Machine is fixed on suspension ring and crossbeam by anticreep hook rope.
Construction method the most according to claim 1, it is characterised in that a length of 800-1000mm of described extension.
CN201610716829.0A 2016-08-25 2016-08-25 Light shaft ceiling large span round steel tubular truss rotation-sliding construction method Active CN106320525B (en)

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CN201610716829.0A CN106320525B (en) 2016-08-25 2016-08-25 Light shaft ceiling large span round steel tubular truss rotation-sliding construction method

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Application Number Priority Date Filing Date Title
CN201610716829.0A CN106320525B (en) 2016-08-25 2016-08-25 Light shaft ceiling large span round steel tubular truss rotation-sliding construction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111270756A (en) * 2020-02-15 2020-06-12 哈尔滨学院 High-rise lighting building

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101387129A (en) * 2008-09-19 2009-03-18 常州第一建筑工程有限公司 Steel frame mounting method for glass roof
CN101775907A (en) * 2010-01-22 2010-07-14 北京首钢建设集团有限公司 Space truss structure aerial pairing integral slide installation method
CN204434116U (en) * 2015-02-03 2015-07-01 中建五局工业设备安装有限公司 A kind of hanging device for interior courtyard lifting pipeline
CN205170191U (en) * 2015-10-14 2016-04-20 中建二局第三建筑工程有限公司 Steel construction main couple hoist and mount system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101387129A (en) * 2008-09-19 2009-03-18 常州第一建筑工程有限公司 Steel frame mounting method for glass roof
CN101775907A (en) * 2010-01-22 2010-07-14 北京首钢建设集团有限公司 Space truss structure aerial pairing integral slide installation method
CN204434116U (en) * 2015-02-03 2015-07-01 中建五局工业设备安装有限公司 A kind of hanging device for interior courtyard lifting pipeline
CN205170191U (en) * 2015-10-14 2016-04-20 中建二局第三建筑工程有限公司 Steel construction main couple hoist and mount system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111270756A (en) * 2020-02-15 2020-06-12 哈尔滨学院 High-rise lighting building

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