A kind of square steel pipe ascending/decending external scaffolding
Technical field
The utility model relates to a kind of square steel pipe building operations work high above the ground raise scaffold.
Technical background
Existing fastener steel tube scaffold adopts fastener to connect the round steel pipe structure and forms; Loaded down with trivial details, the consuming time length of the on-the-spot installation procedure of this scaffold, safety factor is low, the steel use amount big and big to the building site environment pollution; And own wt is heavy, and consumptive material transport amount is big, and the fastener loss is big.
Summary of the invention
The purpose of the utility model is intended to overcome existing scaffold technological deficiency, provide a kind of easy to use, own wt is light, safety factor is high, construction environment is polluted little ascending/decending external scaffolding.
The described square steel pipe ascending/decending of the utility model external scaffolding; Constitute by promoting beam, vertical main frame, horizontal supporting framework, support body and falling proof device; Promoting beam is made up of link plate and channel-section steel; Link plate is fixedly connected with external wall through 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; Promote the beam middle part and be provided with falling proof device, its below is equipped with the electric block that the control support body goes up and down; Promote beam end and be welded with the channel-section steel baffle plate, be connected with guide wheel on the baffle plate, guide wheel is positioned at the groove of the channel-section steel guide rail of vertical main frame, is connected with the guide rail sliding-contact, plays the effect that support body goes up and down to lead; The truss that the horizontal supporting framework is welded by square steel pipe is connected with the support body on its top and links to each other with vertical main frame.The guide rail of vertical main frame and the Wedge device in the anti-drop device are collided, and play the effect of fall arrest
Described square steel pipe ascending/decending external scaffolding; Described support body is made up of interior hurdle sheet and outer hurdle sheet; Outer hurdle sheet and interior hurdle sheet are by the frame of being responsible for and transverse tube is formed by connecting; Being fixedly connected with protective screening on the framework of outer hurdle sheet, is the passageway between outer hurdle sheet and the interior hurdle sheet, is connected with hound between hurdle sheet and the interior hurdle sheet outside.
Described square steel pipe ascending/decending external scaffolding, the frame that the plane of support body is formed by connecting outer hurdle sheet and interior hurdle sheet is connected with the lantern frame in the corner of support body, and the lantern frame is the tetragonal body structure.
Porose on the framework of hurdle sheet in described, the hole site between the adjacent interior hurdle sheet is corresponding one by one, and bolt is fixedly connected adjacent interior hurdle sheet in flakes through the hole on the framework.
Porose on the framework of described outer hurdle sheet, the hole site between the adjacent outer hurdle sheet is corresponding one by one, and bolt is fixedly connected adjacent outer hurdle sheet in flakes through the hole on the framework.Interior hurdle sheet and interior hurdle sheet, outer hurdle sheet stagger with the seam that is connected between the outer hurdle sheet each other.
Be connected with reinforced sheet on the described hole.The diagonal member reinforcing rib is arranged on framework.
The guide rail of described lifting beam is connected with vertical square steel pipe of main frame, and minimum connection highly is 12.6-16.2m.
Between the interior hurdle sheet of described square steel pipe ascending/decending external scaffolding support body and the outer hurdle sheet is the passageway, in the passageway, is connected with cat ladder and supplies about the constructor safe ready.
Ascending/decending external scaffolding of the present invention can be installed the lifting beam that at least 3 equidistance are arranged according to the width of scaffold, to realize the integral body lifting to whole scaffold; Promote the beam middle part and be provided with falling proof device, its below is equipped with the electric block that the control support body goes up and down, when needs promote support body; Unclamp the hinge of electric block, start electric block and can realize, get final product when lifting puts in place then the used for electric hoist hinge to be fixed to whole full lifting; If when fixing electronic hinge disengagement or fracture take place, bear the spring of the falling proof device of electric block weight and upspring, the wedge-shaped card sheet falls; Block the main frame guide rail, thereby prevent falling of whole frame body effectively, the support body that can promote adopts square steel pipe to make; And support body processing factory is prefabricated be welded in hurdle sheet framework with outside hurdle sheet framework, for the anti-pressure ability of reinforced frame, on four angles of framework or diagonal angle, be fixedly connected with reinforcing rib; Protective screening on the outer hurdle sheet framework adopts wire lath, adopts press strip and tap bolt to fix on four limits of wire lath, also can weld; Being enhanced to the protective capacities of protective screening, also cracky not under the impact that receives big 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 the framework fixedly on the reinforcing rib, get final product through bolt connection reinforcing press strip again, prefabricated be welded into the outer hurdle sheet of framework and interior hurdle sheet at the construction field (site) only need with bolt the hole on the framework is coupled together and promptly can be assembled into scaffold; Not produce deformation in order protecting to use repeatedly, on the hole of framework, to be fixedly connected reinforced sheet, during installation; The fissure of displacement is installed between a last row hurdle sheet and next the row hurdle sheet, makes the stressed even of whole pin thing frame, has further guaranteed the security performance of scaffold; The present invention is with the little outer hurdle sheet thick stick frame of volume, interior hurdle sheet framework assembled formation, and the pollution when having reduced site construction need not whole building is surrounded greatly when installing and using; The height of support body is merely the 3-5 layer of building floor height, and height requirement lifting or decline according to construction have realized flexible adjustment.Scaffold can be a plane structure, also can be square structure.When scaffold is square structure; The corner of scaffold connects the lantern frame, and the lantern frame is the tetragonal body framework that square steel pipe is welded, on the support body of two adjacent faces, have with interior hurdle sheet with outside corresponding hole, sheet position, hurdle; Then be fixedly connected protective screening on two other face; During installation, only need to fix with bolt, guaranteed the general safety performance of scaffold through the hole.
Square steel pipe ascending/decending external scaffolding of the present invention; Whole frame body consumptive material consumption is compared with the conventional steel lifting false work and is practiced thrift steel 6 percent; And save the fastener material usage, as fastener weight is counted, then the square steel pipe support body has only 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 utility model is safe and reliable, and outer support body is that overall performance is good, has in the whole lifting process through welding assembly unit moulding--the protection of maltilevel securities such as protective screening, falling proof device, and it is perfectly safe to accomplish, and the security against fire effect is obvious; Simple installation is quick, and outer support body is at the terrestrial segment assembled formation, and outer hurdle sheet and interior hurdle sheet connect into framework through horizontal steel pole, and the work high above the ground installation rate is fast; The support body hoisting velocity is fast, in one and a half hours, can steadily promote smoothly to put in place, and environment is in perfect order during constructing operation, and degree of safety is big; Facade is salubrious, and is elegant in appearance, helps creating the safety construction building site, the machine-shaping of outrigger body disposable; In light weight, can repeatedly have enough to meet the need use, advanced technology, execution control is single; Fragmentary construction material such as no fastener, labor and material saving, economical and practical.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 promotes the girder construction sketch map for the present invention.
Fig. 3 promotes the girder construction sketch map for the present invention.
Fig. 4 is for promoting the girder construction sketch map for the present invention.
Fig. 5 is the vertical main frame structure sketch map of the present invention.
Fig. 6 is Fig. 5 plan structure sketch map.
Fig. 7 is an interior hurdle chip architecture sketch map.
Fig. 8 is an outer hurdle chip architecture sketch map.
Fig. 9 is a frame structure sketch map of the present invention.
Among the figure, 1-promotes beam, the vertical main frame of 2-, 3-support body, 4-link plate, 5-channel-section steel, 6-set square; The 7-baffle plate, the 8-guide wheel, hurdle sheet in the 9-guide rail, 10-, the outer hurdle of 11-sheet, 12-is responsible for; The 13-transverse tube, 14-hound, 15-hole, 16-reinforcing rib, 17-reinforced sheet, 18-protective screening.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation, but be not limited to embodiment.
Embodiment 1
Shown in Fig. 1-9; Square steel pipe ascending/decending external scaffolding of the present invention; Constitute by promoting beam 1, vertical main frame 2, horizontal supporting framework, support body 3 and falling proof device, promote beam 1 and be made up of link plate 4 and channel-section steel 5, link plate 4 is fixedly connected with external wall through 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; Promote beam 1 middle part and be provided with falling proof device, its below is equipped with the electric block that the control support body goes up and down; Promote beam 1 end and be welded with channel-section steel baffle plate 7, be connected with guide wheel 8 on the baffle plate 7, guide wheel 8 is positioned at the groove of the channel-section steel guide rail 9 of vertical main frame 2, is connected with guide rail 9 sliding-contacts, plays the effect that support body goes up and down to lead; The truss that the horizontal supporting framework is welded by square steel pipe is connected with the support body 3 on its top and links to each other with vertical main frame 2, and support body 3 is connected with vertical main frame 2.The guide rail 9 of vertical main frame 2 is collided with the Wedge device in the anti-drop device, plays the effect of fall arrest.Described support body 3 is made up of interior hurdle sheet 10 and outer hurdle sheet 11; Outer hurdle sheet 11 and interior hurdle sheet 10 are by being responsible for 12 frames that are formed by connecting with transverse tube 13; Be fixedly connected with protective screening 18 on the framework of outer hurdle sheet 11; Between outer hurdle sheet 11 and the interior hurdle sheet 10 is the passageway, is connected with hound 14 between hurdle sheet and the interior hurdle sheet outside.The frame that the plane of described side's support body is formed by connecting outer hurdle sheet 11 and interior hurdle sheet 12 is connected with the lantern frame in the corner of support body, and the lantern frame is the tetragonal body structure.Porose 15 on the framework of hurdle sheet 10 in described, adjacent in 15 positions, hole between the hurdle sheet corresponding one by one, bolt through the hole on the framework will be adjacent interior hurdle sheet be fixedly connected in blocks.Porose 15 on the framework of described outer hurdle sheet 11,15 positions, hole between the adjacent outer hurdle sheet are corresponding one by one, bolt through the hole on the framework will be adjacent outer hurdle sheet be fixedly connected in blocks.Interior hurdle sheet 10 and interior hurdle sheet 10, outer hurdle sheet 11 stagger with the seam that is connected between the outer hurdle sheet 11 each other, and be as shown in Figure 9.Be connected with reinforced sheet 17 on the 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 highly is 12.6-16.2m.Between the interior hurdle sheet of described square steel pipe ascending/decending external scaffolding support body and the outer hurdle sheet is the passageway, in the passageway, is connected with cat ladder and supplies about the constructor safe ready.
Embodiment 2
Square steel pipe ascending/decending external scaffolding of the present invention is used for the face wall exterior wall finishing of existing building, and scaffold is a plane structure, highly is three floor heights of building floor height, is about 12.6 meters.
Embodiment 3
Square steel pipe ascending/decending external scaffolding of the present invention is used to build new building, and scaffold is a tetragonal structure, highly is 5 floor heights of building floor height, is about 16.2 meters.
Embodiment 4
1, main materials used
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: the Q235 square steel pipe and the 6.3# channel-section steel that adopt 40 * 60 * 3.0mm.
3) promote the beam material: adopt Q235 10# channel-section steel.
2, 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, and last layer is of a size of 1800 * 1500,1800 * 3000 cross arrangements, and one deck is of a size of 1800 * 3000 down; The seam that is connected between last layer and following 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 highly is 4100.Promote the processing of members such as beam, falling proof device in addition.
3, assembled on site 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 the lifting support 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 linked to each other, setting height(from bottom) is that following lifting girder steel assembly is a basic point, guarantees that guide assembly reserves the height that the length of girder steel assembly makes a floor of support body rising.
(2) after having cleared up the first floor preformed hole, girder steel assembly down is installed, through through-wall bolt, interior outer nut connects firmly with building with the girder steel assembly, and the screw thread that bolt head exposes nut end face behind the nut screwing clamping is no less than 5 and detains; The 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, the beam wire rope will be gone up the root of girder steel assembly and the end of following girder steel assembly is strained and tightened with leading.
(4) cleared up the 3rd, the 4th layer of preformed hole after, install the girder steel assembly respectively by top requirement.
3) electric block is installed
Electric block hangs on the hanging board of girder steel assembly, stube cable line, 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
The guide tracked whole outrigger falling proof device that promotes is set to an anti-fall wedge, and anti-fall wedge is installed between the wedge and guide assembly that promotes on the beam.Its operating principle is: when support body rose, because the slit between wedge and the 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 the 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 then anti-fall wedge falls naturally.In the climbing frame decline stage, then anti-fall wedge upwards promotes.
4, the lifting flow process of hoisting frame
1) removes 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, control cabinet and promote button, make hoisting frame rising first floor;
6) tension static state traction wire rope;
7) with support body and building drawknot mutually, the electric block chain that comes loose, anti-drop device falls naturally, reaches the fall arrest effect.
8) follow-up lifting: will descend the girder steel assembly to pull down and upwards have enough to meet the need the two-layer set preformed hole place that is installed in.
9) repeat above-mentioned 2-8 bar, accomplish successively promoting.