A kind of lift type external scaffold made of square steel pipes
The present invention relates to a kind of square steel pipe building operations work high above the ground raise scaffold.
Existing fastener-style steel pipe scaffolding adopts fastener to connect the round steel pipe structure and forms, the on-the-spot installation procedure of this scaffold is loaded down with trivial details, length consuming time, safety factor is low, the steel use amount large and large to the building site environment pollution, and own wt is heavy, and consumptive material transport amount is large, and the fastener loss is large.
Summary of the invention
Purpose of the present invention is intended to overcome existing Construction Formwork ﹠ Scaffold Technology defective, provide a kind of easy to use, own wt is light, safety factor is high, construction environment is polluted little lift type external scaffold made.
lift type external scaffold made of square steel pipes of the present invention, consisted of by lifting beam, vertical main framework, horizontal supporting framework, support body and falling proof device, at least 3 lifting beams are equidistantly arranged, lifting beam is comprised of link plate and channel-section steel, link plate is fixedly connected with external wall by at least two through-wall bolts, and channel-section steel is connected root and is fixedly connected with the reinforcement set square with link plate, the guide rail of lifting beam is connected with vertical square steel pipe of main frame, and minimum connection is highly 12.6-16.2m, is provided with falling proof device in the middle part of lifting beam, and its below is equipped with electric block, the lifting beam end is welded with the channel-section steel baffle plate, be connected with guide wheel on the channel-section steel baffle plate, guide wheel is positioned at the groove of the U-bar guide rail of vertical main framework, be connected with the U-bar guide rail sliding-contact, the horizontal supporting framework is the truss that square steel pipe is welded, be connected with the support body on its top and be connected with vertical main framework, described support body is square, the corner of support body is connected with lantern stand, lantern stand is the tetragonal body structure, support body is made of interior hurdle sheet and outer hurdle sheet, outer hurdle sheet and interior hurdle sheet are supervisor and the framework that is formed by connecting of transverse tube, be fixedly connected with protective screening on the framework of outer hurdle sheet, be the passageway between outer hurdle sheet and interior hurdle sheet, be connected with cat ladder in the passageway, be connected with hound between hurdle sheet and interior hurdle sheet outside, porose on the framework of interior hurdle sheet, hole site between adjacent interior hurdle sheet is corresponding one by one, bolt is fixedly connected with adjacent interior hurdle sheet in flakes by the hole on framework, porose on the framework of outer hurdle sheet, hole site between adjacent outer hurdle sheet is corresponding one by one, bolt is fixedly connected with adjacent outer hurdle sheet in flakes by the hole on framework, interior hurdle sheet and interior hurdle sheet, connecting sewing between outer hurdle sheet and outer hurdle sheet staggers mutually.
Described lift type external scaffold made of square steel pipes has the diagonal member reinforcing rib on framework.
Described lift type external scaffold made of square steel pipes is connected with reinforced sheet on described hole.
lift type external scaffold made of the present invention, can be according to the width of scaffold, at least 3 lifting beams are installed, to realize the Integral lifting to whole scaffold, the lifting beam middle part is provided with falling proof device, its below is equipped with the electric block of controlling the support body lifting, when needs promote support body, unclamp the hinge of electric block, the startup electric block can be realized the lifting to whole support body, when putting in place the used for electric hoist hinge to be fixed, lifting gets final product, when if fixing electronic hinge disengagement or fracture occur, bearing the spring of the falling proof device of electric block weight upsprings, the wedge-shaped card sheet falls, block the main frame guide rail, thereby effectively prevent falling of whole support body, the support body that can promote adopts square steel pipe to make, and support body is at prefabricated interior hurdle sheet framework and the outer hurdle sheet framework of being welded into of processing factory, anti-pressure ability for reinforced frame, be fixedly connected with reinforcing rib on four angles of framework or diagonal angle, protective screening on outer hurdle sheet framework adopts wire lath, adopt press strip and tap bolt to fix on four limits of wire lath, also can weld, to be enhanced to the protective capacities of protective screening, also cracky not under the impact that is subjected to larger external force, can prevent that the greater weight article from falling, and changed not fireproof defective of traditional nylon wire, farthest guaranteed production safety, in order further to strengthen the protection effect of protective screening, on framework fixedly on reinforcing rib, being bolted strengthening press strips gets final product again, prefabricatedly be welded into the outer hurdle sheet of framework and interior hurdle sheet only needs with bolt, the hole on framework is coupled together namely to can be assembled into scaffold at the construction field (site), in order to protect Reusability not produce deformation, be fixedly connected with reinforced sheet on the hole of framework, during installation, fissure of displacement installation between upper row's hurdle sheet and next row hurdle sheet, make the stressed even of whole foot rest, further guaranteed the security performance of scaffold, the present invention's little outer hurdle sheet framework of volume, the sheet frame assembled moulding of interior hurdle, pollution when having reduced site construction, need not whole building is surrounded greatly when installing and using, the height of support body is only for building the 3-5 layer of floor height, promote or descend according to the height requirement of construction, realized flexible adjustment.Scaffold can be plane structure, can be also square structure.When scaffold is square structure, corner's connecting lamp cage of scaffold, lantern stand is the tetragonal body framework that square steel pipe is welded, the hole corresponding with interior hurdle sheet and sheet position, outer hurdle arranged on the support body of two adjacent faces, be fixedly connected with protective screening on two other face, during installation, only need to fix with bolt by the hole, guaranteed the general safety performance of scaffold.
Lift type external scaffold made of square steel pipes of the present invention, whole support body consumptive material consumption is compared saving steel 6 percent with the conventional steel lifting false work, and save the fastener material usage, as fastener weight is counted, the square steel pipe support body only has 79 percent of round steel pipe support body gross weight.Adopt square steel pipe outrigger effects of energy conservation and environmental protection remarkable, play the effect that promotes the building trade innovation and development.In addition, the present invention is safe and reliable, and outer support body is that overall performance is good, has in whole lifting process by welding assembly unit moulding--the protection of the maltilevel securities such as protective screening, falling proof device, and it is perfectly safe to accomplish, and the security against fire successful; Simple installation is quick, outer support body is at the terrestrial segment assembled formation, outer hurdle sheet and interior hurdle sheet connect into framework by horizontal steel pole, and the work high above the ground installation rate is fast, and the support body hoisting velocity is fast, can steadily promote smoothly in one and a half hours and put in place, during constructing operation, environment is in perfect order, and degree of safety is large, and facade is salubrious, elegant in appearance, be conducive to create the safety construction building site, the machine-shaping of outrigger body disposable, lightweight, can repeatedly have enough to meet the need use, advanced technology, execution control is single, without fragmentary construction materials such as fasteners, labor and material saving, economical and practical.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is lifting beam structural representation of the present invention.
Fig. 3 is lifting beam structural representation of the present invention.
Fig. 4 is for being lifting beam structural representation of the present invention.
Fig. 5 is vertical main framework structural representation of the present invention.
Fig. 6 is Fig. 5 plan structure schematic diagram.
Fig. 7 is interior hurdle chip architecture schematic diagram.
Fig. 8 is outer hurdle chip architecture schematic diagram.
Fig. 9 is frame structure schematic diagram of the present invention.
In figure, 1-lifting beam, 2-vertical main framework, 3-support body, 4-link plate, 5-channel-section steel, 6-set square, the 7-baffle plate, 8-guide wheel, hurdle sheet in 9-guide rail, 10-, hurdle sheet outside 11-, 12-supervisor, the 13-transverse tube, 14-hound, 15-hole, 16-reinforcing rib, 17-reinforced sheet, 18-protective screening.
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing, but be not limited to embodiment.
As shown in Fig. 1-9, lift type external scaffold made of square steel pipes of the present invention, consisted of by lifting beam 1, vertical main framework 2, horizontal supporting framework, support body 3 and falling proof device, lifting beam 1 is comprised of link plate 4 and channel-section steel 5, link plate 4 is fixedly connected with external wall by at least two through-wall bolts, channel-section steel 5 is connected with link plate 4, and root is fixedly connected with strengthens set square 6; Lifting beam 1 middle part is provided with falling proof device, and its below is equipped with the electric block of controlling the support body lifting; Lifting beam 1 end is welded with channel-section steel baffle plate 7, is connected with guide wheel 8 on baffle plate 7, and guide wheel 8 is positioned at the groove of the U-bar guide rail 9 of vertical main framework 2, is connected with guide rail 9 sliding-contacts, plays the effect of support body lifting guiding; The truss that the horizontal supporting framework is welded by square steel pipe is connected with the support body 3 on its top and is connected with vertical main framework 2, and support body 3 is connected with vertical main framework 2.The guide rail 9 of vertical main framework 2 is collided with the Wedge device in anti-drop device, plays the effect of fall arrest.Described support body 3 is made of interior hurdle sheet 10 and outer hurdle sheet 11, the frame that outer hurdle sheet 11 and interior hurdle sheet 10 are formed by connecting by supervisor 12 and transverse tube 13, be fixedly connected with protective screening 18 on the framework of outer hurdle sheet 11, be the passageway between outer hurdle sheet 11 and interior hurdle sheet 10, be connected with cat ladder for constructor up and down, safe ready in the passageway.Be connected with hound 14 between hurdle sheet and interior hurdle sheet outside.The frame that the plane of described side's support body is formed by connecting by outer hurdle sheet 11 and interior hurdle sheet 12 is connected with lantern stand in the corner of support body, and lantern stand is the tetragonal body structure.Porose 15 on the framework of described interior hurdle sheet 10,15 positions, hole between adjacent interior hurdle sheet are corresponding one by one, and bolt is fixedly connected with adjacent interior hurdle sheet by the hole on framework in flakes.Porose 15 on the framework of described outer hurdle sheet 11,15 positions, hole between adjacent outer hurdle sheet are corresponding one by one, and bolt is fixedly connected with adjacent outer hurdle sheet by the hole on framework in flakes.Connecting sewing between interior hurdle sheet 10 and interior hurdle sheet 10, outer hurdle sheet 11 and outer hurdle sheet 11 staggers mutually, as shown in Figure 9.Be connected with reinforced sheet 17 on described hole 15.Diagonal member reinforcing rib 16 is arranged on framework.The guide rail of described lifting beam 1 is connected with vertical square steel pipe of main frame, and minimum connection is highly 12.6-16.2m.
Lift type external scaffold made of square steel pipes of the present invention, for the face wall exterior wall finishing of existing building, scaffold is plane structure, is highly three floor heights of building storey height, is about 12.6 meters.
Lift type external scaffold made of square steel pipes of the present invention is used for building new building, and scaffold is tetragonal structure, is highly 5 floor heights of building storey height, is about 16.2 meters.
1, mainly use material
1) support body material: standpipe and transverse tube adopt the Q235 square steel pipe of 40 * 60 * 2.0mm, and hound adopts the Q235 square steel pipe of 30 * 30 * 2.0mm.
2) main frame material: adopt the Q235 square steel pipe of 40 * 60 * 3.0mm, and the 6.3# channel-section steel.
3) lifting beam material: adopt Q235 10# channel-section steel.
, prefabricated support body parts
Support body divides inside and outside hurdle sheet, the hurdle sheet is at the prefabricated welding fabrication of processing factory, size has 1800 * 3000 and 1800 * 1,500 two kinds of main hurdle sheets, last layer is of a size of 1800 * 1500,1800 * 3000 cross arrangements, and lower one deck is of a size of 1800 * 3000, connecting sewing between last layer and lower one deck has just staggered like this, and the sheet soldering and sealing of outer hurdle connects gauze wire cloth.Every 6m or 4.5m spacing are provided with main frame, and the every joint of main frame is highly 4100.Also has the processing of the members such as lifting beam, falling proof device.
, the Assembling moulding
1) support body assembling
Inside and outside hurdle sheet connects into support body by cross bar with the M12 bolt, and every 6m or 4.5m form a standard block body by main frame, is all connected by the M12 bolt, is assembled into lifting frame body according to the building external form.
2) installation of guide rail, steel outrigger assembly
(1) the little cross bar on each step frame of guide assembly and main frame is connected, setting height(from bottom) is that following lifting girder steel assembly is basic point, guarantees that length that guide assembly reserves the girder steel assembly makes the height of a floor of support body rising.
(2) after having cleared up the first floor preformed hole, lower girder steel assembly is installed, by through-wall bolt, interior outer nut connects firmly with building with the girder steel assembly, and the screw thread that after nut screwing clamping, bolt head exposes nut end face is no less than 5 and detains; Link plate and the building surface of girder steel assembly are sturdy, and the guide wheel assembly of girder steel assembly termination will be enclosed within the gathering sill of guide assembly.
(3) install the girder steel assembly, with leading the beam wire rope, the end of the root of upper girder steel assembly and lower girder steel assembly is strained and tightened.
(4) cleared up the 3rd, the 4th layer of preformed hole after, install respectively the girder steel assembly by top requirement.
3) electric block is installed
Electric block hangs on the hanging board of girder steel assembly, connecting cable, electrical control cubicles.Concrete installation, debugging, maintenance, descending operation see the O﹠M manual of electric block and electrical control cubicles for details.
4), falling proof device is installed
Guide tracked Integral lifting outrigger falling proof device is set to an anti-fall wedge, and anti-fall wedge is arranged between wedge and guide assembly on lifting beam.Its operating principle is: when support body rose, because the gap between wedge and guide assembly is up big and down small, in the support body uphill process, the electric block chain tightened up, and spring bearer plate is pushed down anti-fall plate button naturally, and anti-fall wedge is raise automatically.In case gliding appears in support body, spring ejects, and anti-fall plate button is jumped out spring bearer plate automatically, and anti-fall wedge glides.Under the frictional force effect between wedge and guide assembly three, anti-fall wedge blocks tighter and tighter, thereby plays anti-fall effect, prevents support body further to glide, and its braking distance is not more than 8cm.Under the climbing frame inactive state, the electric block chain unclamps, and anti-fall wedge falls naturally.In the climbing frame decline stage, anti-fall wedge upwards promotes.
4, the lifting flow process of hoisting frame
1) remove the drawknot constraint of corresponding site;
Open the coupling component of support body and mounting platform when 2) promoting;
3) girder steel assembly, the support body with electric block and hoisting mechanism connects, circuit and switch board online intact;
4) pretension cucurbit chain;
5) open switch board, the operation switch board promotes button, makes hoisting frame rising first floor;
6) tension static state traction wire rope;
7) with support body and building phase drawknot, the electric block chain that comes loose, anti-drop device falls naturally, reaches the fall arrest effect.
8) follow-up lifting: lower girder steel assembly is pulled down upwards had enough to meet the need the two-layer set preformed hole place that is arranged on.
9) repeat above-mentioned 2-8 bar, complete successively promoting.