CN100590277C - High-altitude bridge type cantilever scaffold - Google Patents
High-altitude bridge type cantilever scaffold Download PDFInfo
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- CN100590277C CN100590277C CN200710170958A CN200710170958A CN100590277C CN 100590277 C CN100590277 C CN 100590277C CN 200710170958 A CN200710170958 A CN 200710170958A CN 200710170958 A CN200710170958 A CN 200710170958A CN 100590277 C CN100590277 C CN 100590277C
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Abstract
The invention discloses a high level bridge type suspended falsework with the top terminal suspended on the steel beam of the construction structure, consisting of a falsework frame, a fence, and a hanger. The falsework consists of a bottom frame, the upright columns of the fence at the two sides, and slanting steel wires; each fence consists of horizontal and vertical steel fence pipes and closely-knitted safety net, wherein the horizontal and vertical steel fence pipes are clamped with the upright columns of the fence to form a truss; the closely-knitted safety net is hung on the frame of the fence. One end of the slanting steel wire is connected with the top end of the upright columns of the fence, while the other end is connected with the bottom frame and the part of the connecting nodes of the vertical fence pipes. The bottom frame, the upright columns of the fence, and the steel fence pipes are connected by the slanting steel wires to form the truss. The hanger consists of a pulling wire and a pulling tool, wherein the two ends of the pulling wire are connected respectively with the beam and the falsework frame; one end of the pulling tool is connected fixedly with the steelbeam of the construction structure. The invention is convenient for high altitude construction, and has the advantages of highly reliable safety, light weight, convenient assembly and disassembly, etc.
Description
Technical field
The present invention relates to a kind of scaffold, relate in particular to a kind of high-altitude bridge type cantilever scaffold that is used for the high-altitude construction operation.
Background technology
The main mode that adopts full hall scaffold of present existing high-altitude construction adopts this kind mode not only to tear the scaffolding trouble open, wastes a large amount of circulation materials, and the danger of work high above the ground is also very big, in addition, because full hall scaffold occupies ground and aerial space is big, influence other station constructions.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of be convenient to high-altitude construction, security reliability good, from the high-altitude bridge type cantilever scaffold of heavy and light, easy accessibility, to overcome the above-mentioned defective that prior art exists.
The technical scheme of technical solution problem of the present invention is as follows:
A kind of high-altitude bridge type cantilever scaffold, its upper end hangs on the building structure girder steel, it is characterized in that comprise scaffold frame, guardrail and suspender, described scaffold frame comprises under(-)chassis, guardrails of both sides column and suspension cable steel wire rope; Described guardrail comprise with fence upright be fastened into truss laterally and profile barrier steel pipe and hang over Dense mesh screen on the divider frame frame outward, described suspension cable steel wire rope one end is connected in the fence upright upper end, the other end is connected in the connected node place of under(-)chassis and profile barrier steel pipe, and described under(-)chassis, fence upright, guard rail steel pipe are formed truss by suspension cable steel wire rope; Described suspender comprises rigging and drafting tool, and described rigging two ends are connected between girder steel and the scaffold frame, and described drafting tool one end is fixedlyed connected with the building structure girder steel.
Described rigging has 8, is separately positioned on relatively on the building structure girder steel in twos.
Lay one deck mao bamboon strut on the described under(-)chassis, the mao bamboon strut is shelved spacing smaller or equal to 30cm, completely spreads the bamboo basketry on the described mao bamboon strut.
By above disclosed technical scheme as can be known, the present invention compared with prior art has following characteristics:
1, adopt new material, in light weight, easy to assembly, through calculating every (27000 * 4000), platform metal framework weight only is 1808Kg, and mao bamboon bamboo basketry is all laid the back and (pressed 10Kg/m
2Meter), every weight is 2800Kg, so assembling is very convenient.
2, adopt new technology, integral-scaffold is removable, and dismounting only needs once, has reduced the hazards that exist in many full hall scaffolds and a large amount of circulation materials, reduced to take and torn the duplication of labour that scaffold occurs open, guaranteed that graded crossing construction and quickening progress have reduced cost.
3, adopt the high-altitude bridge type cantilever scaffold some that only takes up space, guarantee that its each work post normal construction is unaffected.
High-altitude bridge type slippage scaffold of the present invention reaches relevant Code for design of steel structures standard in strict accordance with the JGJ59-99 of the Ministry of Construction " construction safety check criteria " with reference to " work high above the ground safety regulation for operations " and Shanghai City DGJ08-905-99 " building operations attached lift scaffold act of technique for security ", optimal design and making, have row reasonable in design, moving steadily, security reliability is good, with high content of technology, from heavy and light, easy accessibility, easy and simple to handle, advantage such as compliance is strong, price is low.
Description of drawings
Fig. 1 is a scaffold facade structures schematic diagram of the present invention;
Fig. 2 is an embodiment cross-sectional configuration of a scaffold of the present invention schematic diagram;
Fig. 3 is another embodiment cross-sectional configuration schematic diagram of scaffold of the present invention;
Cross-sectional configuration schematic diagram when Fig. 4 is a scaffold band loose-leaf turnover panel of the present invention;
Fig. 5 is a loose-leaf turnover panel open mode cross-sectional configuration schematic diagram among Fig. 4.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, a kind of high-altitude bridge type cantilever scaffold of the present invention, its upper end hangs on the building structure girder steel 5, comprises scaffold frame 1, guardrail 2 and suspender 3, and described scaffold frame 1 comprises under(-)chassis 101, guardrails of both sides column 102 and suspension cable steel wire rope 103; Described guardrail 2 comprises horizontal and profile barrier steel pipe 201 and the plug-in Dense mesh screen 202 that is fastened into truss with fence upright, described suspension cable steel wire rope 103 1 ends are connected in fence upright 102 upper ends, the other end is connected in the connected node place of under(-)chassis and profile barrier steel pipe, and described under(-)chassis 101, fence upright 102, guard rail steel pipe 201 are formed truss by suspension cable steel wire rope 103; Described suspender 3 comprises rigging 301 and drafting tool, and described rigging 301 two ends are connected between girder steel 5 and the scaffold frame 1, and described drafting tool one end is fixedlyed connected with building structure girder steel 5.
Described rigging has 8, is separately positioned on relatively on the building structure girder steel 5 in twos.Rigging 301 upper ends are fixed with nylon suspension ring 303, and described scaffold fixedly hangs on the suspension centre place by nylon suspension ring 303.Whole scaffold hangs on the building structure girder steel 5 as suspension centre by nylon suspension ring 303, described drafting tool is four jack cucurbits, utilize the chain sling that replaces receipts, jack cucurbit in twos to make the scaffold center of gravity transfer to the place ahead cucurbit, reach and hang the purpose that moves from the rear cucurbit.
Lay one deck mao bamboon strut 103 on the described under(-)chassis 101, the mao bamboon that mao bamboon strut 103 is selected for use must be fresh, mao bamboon diameter at butt end 100mm, top diameter should be less than 60mm, mao bamboon strut 103 is shelved spacing must not be greater than 30mm, and with the fixation of 10# iron wire, completely spread bamboo basketry 104 above, spread double-deck Dense mesh screen.
As shown in Figure 4 and Figure 5, need choose wide position in the scaffold both sides and be provided with the two loose-leaf turnover panels of outwards encorbelmenting, described loose-leaf turnover panel comprises bottom support 203, side direction support 204 and linking arm 205; Described base plate support 203 1 ends and under(-)chassis 101 are hinged and can outwards turn down with under(-)chassis 101 and be a plane; Described linking arm 205 1 ends are articulated in guardrail framework 102 upper ends, the other end be articulated in base plate support 203 away from under(-)chassis 101 1 ends; Described linking arm 205 comprises two sections telescopic arms that are hinged; Described side direction support 204 lower ends be articulated in base plate support 203 away from under(-)chassis 101 1 ends and can at right angles turn down described Dense mesh screen 201 outer being hung on the side direction support 204 with bottom support 203.Turnover panel is upwards folding when mobile uses when guardrail, and one turnover panel bottom support 203 is turned down and is used as platform and uses during duty, and the bigeminy turnover panel is that side direction support 204 rolls up and is used as the guardrail use.
As shown in Figure 3, when scaffold at the nonangular place of roof structure steel I-beam level, can adopt coaster to replace nylon suspension ring 303, coaster 304 is as the load-bearing suspension centre, be fixed with coaster 304 in rigging 301 upper ends, making coaster 304 is that track can move along girder steel 5 with building structure girder steel 5, and this moment, the jack cucurbit hung on the coaster 304, and the jack bottom is connected with scaffold.Thereby the resistance in the time of well reducing slippage.
The primary and secondary beam that high-altitude bridge type of the present invention hangs mobile scaffold frame can be selected the cold bending thin wall lipped channel of C300 * 75 * 20 * 3 and C160 * 50 * 20 * 2 for use.Longeron is that single thin plate channel-section steel makes up dorsad by inferior crossbeam, and C type channel-section steel and node junction plate adopt Q345 steel plate processing and fabricating; Select zinc-plated 6 * 37 * 16mm wire rope for use; The node connecting bolt adopts the zinc-plated hex bolts of 12mm; 806 * 22-OO type flower basket bolt; 2.1D type shackle.The 16mm wire rope is connected with preformed hole on the gusset plate with the 00 type turnbuckle of 1.4 shackles and 806*22, and turnbuckle is screwed.
The guardrail 2 of scaffold adopts 48 * 2.0 low alloy steels, 201 usefulness fasteners to snap onto on mounted every 3m one root post 102 steel pipes to form truss, and guardrail height is from the platform 1.1m that makes progress, and plug-in Dense mesh screen 202 is gone along with sb. to guard him.
The present invention is to move like this and use under normal condition:
1, spurs jack slowly by operator, support body is raised 10CM.
2, under each cucurbit and the even stressing conditions of other rod member, remove the stressed wire rope in suspension centre position, remove the loosening no nylon sling in suspension centre top simultaneously.
3, mobile step pitch is 1～3m, decides on the support body usefull space up and down, walks based on small step in principle more, and each mobile span is 3m * 3 steps to be total to 9m, promptly will carry out moving of scaffold so whenever hang after the 9m flat-top is checked and accepted.The mobile of scaffold is by apart from 3 meters of suspension centre 4 3T jack cucurbits (length of chain sling is not less than 4.6m) are set on direction of advance girder steel 5, following suspension centre is four suspension centres on the support body, adjust four cucurbits and be the tight state that collapses, operating personnel's operation of standing on the scaffold must be fastened seat belts and safety belt is hung on the lifeline 4 reliably, four jack cucurbits when loosening original lifting support body simultaneously by 4 operative employees, accomplish that four cucurbits at the uniform velocity descend simultaneously, the suspension shelf is slowly transferred, the process of transferring is wanted SEQ, transfer that platform progressively moves forward in the process, center of gravity is transferred on the oblique shape cucurbit in the place ahead from the vertical cucurbit in original rear.Can tighten up the oblique shape cucurbit in the place ahead simultaneously this moment according to actual conditions, makes to loosen the rear cucurbit and tighten up the place ahead cucurbit to hocket; Until the place ahead tiltedly draw cucurbit become vertical and painstaking till (this moment, the jack of former lifting rear cucurbit became oblique shape), this moment the whole frame body 3m that advanced.
4, the place ahead cucurbit that slowly starts vertical configuration this moment is promoted to height a little more than original duty with support body, the load-bearing hoist cable of duty is installed safety rope when changing as cucurbit, will inspect for acceptance this moment to the force-bearing situation of shelf, cucurbit, jack, dismountable rear, acceptance(check) rear has become oblique shape cucurbit at this moment, cucurbit is moved on the girder steel of preceding 3m of the place ahead cucurbit and fix, the lower end is connected with suspension centre on the shelf.
5, remove the suspension centre safety rope.
6, allow the scaffold body be promoted to according to above-mentioned scaffold body method in place a little more than setting height(from bottom), snap together with the steel plate of reserving on U type shackle rigging that 8 suspension centres is sagging and the scaffold body, and the safety rope on the scaffold hung up properly at any time, slowly loosen jack and make the suspension centre rigging stressed, at this moment hang mobile end.
7, fixing oblique support.
Claims (9)
1. high-altitude bridge type cantilever scaffold, its upper end hangs on the building structure girder steel (5), it is characterized in that, comprise scaffold frame (1), guardrail (2) and suspender (3), described scaffold frame (1) comprises under(-)chassis (101), guardrails of both sides column (102) and suspension cable steel wire rope (103); Described guardrail (2) comprise with fence upright be fastened into truss laterally and profile barrier steel pipe (201) and hang over Dense mesh screen (202) on the divider frame frame outward, described suspension cable steel wire rope (103) one ends are connected in fence upright (102) upper end, the other end is connected in the connected node place of under(-)chassis and profile barrier steel pipe, and described under(-)chassis (101), guardrail framework (102), guard rail steel pipe (201) are formed truss by suspension cable steel wire rope (103); Described suspender (3) comprises rigging (301) and drafting tool, and described rigging (301) two ends are connected between girder steel (5) and the scaffold frame (1), and described drafting tool one end is fixedlyed connected with building structure girder steel (5);
Described rigging (301) upper end is fixed with nylon suspension ring (303) or coaster (304).
2. high-altitude bridge type cantilever scaffold according to claim 1 is characterized in that, described rigging has 8, is separately positioned on relatively in twos on the building structure girder steel (5).
3. high-altitude bridge type cantilever scaffold according to claim 1, it is characterized in that, described under(-)chassis (101) is gone up and is laid one deck mao bamboon strut (103), and mao bamboon strut (103) is shelved spacing smaller or equal to 30cm, completely spreads bamboo basketry (104) on the described mao bamboon strut (103).
4. high-altitude bridge type cantilever scaffold according to claim 1 is characterized in that, the guardrails of both sides (2) that scaffold need be chosen wide position also comprises the two loose-leaf turnover panels of outwards encorbelmenting.
5. high-altitude bridge type cantilever scaffold according to claim 1 is characterized in that, described drafting tool is the jack cucurbit.
6. high-altitude bridge type cantilever scaffold according to claim 1 is characterized in that, described scaffold fixedly hangs on the suspension centre place by nylon suspension ring (303).
7. high-altitude bridge type cantilever scaffold according to claim 5 is characterized in that, described coaster (304) is that track can move along girder steel (5) with building structure girder steel (5), and described jack cucurbit hangs on the coaster (304), and the jack bottom is connected with scaffold.
8. high-altitude bridge type cantilever scaffold according to claim 4 is characterized in that, described loose-leaf turnover panel comprises base plate support (203), side direction support (204) and linking arm (205); Described base plate support one end and under(-)chassis (101) hinged and can outwards turn down with under(-)chassis (101) be a plane; Described linking arm one end is articulated in guardrail framework (102) upper end, the other end be articulated in base plate support (203) away from under(-)chassis (101) one ends; Described linking arm (205) comprises two sections telescopic arms that are hinged; Described side direction support (204) lower end be articulated in base plate support (203) away from under(-)chassis (101) one ends and can with at right angles turnover of bottom support (203), the plug-in Dense mesh screen of described side direction support (204).
9. high-altitude bridge type cantilever scaffold according to claim 1 is characterized in that, is provided with lifeline (4) in the pin hand moving range of described girder steel (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710170958A CN100590277C (en) | 2007-11-26 | 2007-11-26 | High-altitude bridge type cantilever scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710170958A CN100590277C (en) | 2007-11-26 | 2007-11-26 | High-altitude bridge type cantilever scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101200975A CN101200975A (en) | 2008-06-18 |
| CN100590277C true CN100590277C (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710170958A Expired - Fee Related CN100590277C (en) | 2007-11-26 | 2007-11-26 | High-altitude bridge type cantilever scaffold |
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| Country | Link |
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| CN (1) | CN100590277C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102635226A (en) * | 2012-05-04 | 2012-08-15 | 常州第一建筑集团有限公司 | Flexible hanging self-expansion operating platform and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635226A (en) * | 2012-05-04 | 2012-08-15 | 常州第一建筑集团有限公司 | Flexible hanging self-expansion operating platform and construction method |
| CN102635226B (en) * | 2012-05-04 | 2014-05-28 | 常州第一建筑集团有限公司 | Flexible hanging self-expansion operating platform and construction method |
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| Publication number | Publication date |
|---|---|
| CN101200975A (en) | 2008-06-18 |
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