Building structure overhanging scaffold external corner assembling type frame body device
Technical field
Building structure overhanging scaffold external corner assembling type frame body device, belongs to building external scaffolding technical field of construction.
Background technology
Scaffold is existing well known for the construction, finishing etc. of outside vertical surface of building, and in highrise building, we more use overhanging scaffold go along with sb. to guard him to carry out alien invasion and construct.Overhanging scaffold refers to the scaffold of frame structure off-load on the rigidity Cantilever Beams being attached to building structure, and need for the operation of the main body in building operations or fitting-out work and security protection thereof, every section of scaffolding height must not be greater than 24m.Accommodation is high-rise or Super High in reinforced concrete structure, steel work, and the main body in building operations or the operation of fitting-out work and security protection thereof need.
The overhanging scaffold of this prior art needs to adopt many Cantilever Beams to be arranged to radially support upper falsework vertical rod at building structure bead angle place, arranges very loaded down with trivial details, calculating also corresponding complexity.This needs construction technical staff that experience is very abundant according to specification and stress condition in conjunction with the careful layout of on-the-spot structure, installed by scheme prescribes position by veteran scaffold installer girder of carefully encorbelmenting again, set up steel pipe scaffold again, need to drop into a large amount of manpower and materials, and there is very large potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is: provide one to overcome prior art Problems existing, effectively can solve overhanging scaffold arranges very complicated loaded down with trivial details, the problem such as security reliability is low a kind of building structure overhanging scaffold external corner assembling type frame body device at building structure external corner part.
The technical solution adopted for the present invention to solve the technical problems is: this building structure overhanging scaffold external corner assembling type frame body device by building structure, bearing support, double nut, through-wall bolt, L-type external corner scaffold bottom tray, external corner assembling type frame body structure, suspending bars, draw board to form; Fix with through-wall bolt anchoring between bearing support and the building structure first floor, and reinforce with suspending bars fixing between the building structure second layer; Bearing support upper berth L-type external corner scaffold bottom tray also sets up external corner assembling type frame body structure; The conventional overhanging scaffold support body at this device two ends is erected at girder top of encorbelmenting, and is connected with adopting to overlap between external corner assembling type frame body structure.Bearing support two ends scaffold cantilever span is not more than 2000mm, and is fixed by embedded wall penetration bolt between the building structure first floor, and through-wall bolt two ends double nut is tightened; Bearing support is connected with building structure second layer suspending bars, and suspending bars is connected one end with being welded to connect with bearing support, is connected one end through-wall bolt and double nut is tightened with building structure.L-type external corner scaffold bottom tray is factory's customization, is spliced with the thick profiled sheet of 3mm.External corner assembling type frame body structure is made up of leger, little cross bar, vertical rod, hound; Four vertical rods are set up on bearing support top, and reinforce fixing with hound, are equipped with leger and little cross bar, form a main couple structure.External corner assembling type frame body top fixed connection point is the attached wall measure of building structure except the first floor between top all the other which floor and external corner assembling type frame body structures, being weldingly fixed on by short steel pipes one end draws on board, the other end two fastener and external corner assembling type frame body anatomical connectivity.External corner assembling type frame body first floor fixed connection point is the reinforcement measure between the building structure first floor and bearing support, and be weldingly fixed on bearing support by short steel pipes one end, the other end welds with through-wall bolt.
Concrete construction method of the present invention:
1.establishment special construction plan.
After building structure concrete strength reaches design strength, bearing support is installed.
After bearing support installation, suspending bars is installed, and sets up main couple, then set up rotation angle position frame structure.
Lay according to design attitude girder of encorbelmenting, conventional overhanging scaffold support body is installed.
Successively up set up, support body height is no more than five layers; Every layer of major structure of construction all needs to be connected firmly with short steel pipes and main couple.
Compared with prior art, the beneficial effect that the present invention has is: it is simple that this building structure overhanging scaffold external corner assembling type frame body device and construction method have construction technique principle, set up easy, batch production makes, the reliable feature of quality safety, and conventional overhanging scaffold can be simplified construct at the radiation of external corner part complexity, save the use amount of girder of encorbelmenting in a large number, improve the security and stability of whole support body, assembled very easy.
Accompanying drawing explanation
Fig. 1: external corner assembling type frame body of the present invention and common builder's jack overall perspective;
Fig. 2: main couple sectional drawing of the present invention;
Fig. 3: layout plan of the present invention;
Fig. 4: the first floor of the present invention and second layer external corner assembling type frame body phantom drawing;
Fig. 5: building structure first floor bearing support scheme of installation of the present invention;
Fig. 6: the building structure second layer of the present invention and suspending bars connection diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
With reference to Fig. 1:
This building structure overhanging scaffold external corner assembling type frame body device by building structure (1), bearing support (2), double nut (3), L-type external corner scaffold bottom tray (5), external corner assembling type frame body structure (6), girder of encorbelmenting (7), conventional overhanging scaffold support body (8), suspending bars (9), hound (12), leger (13), little cross bar (14), vertical rod (15), draw board (16) to form.
With reference to Fig. 2:
Main couple is made up of bearing support (2), double nut (3), through-wall bolt (4), L-type external corner scaffold bottom tray (5), external corner assembling type frame body structure (6); Be connected with external corner assembling type frame body first floor fixed connection point (11) between bearing support (2) with building structure (1) first floor; Bearing support (2) is connected with external corner assembling type frame body top fixed connection point (10) by suspending bars (9) with between the building structure second layer.
With reference to Fig. 3:
Building structure overhanging scaffold external corner assembling type frame body device is L-type, tighten fixing with double nut (3), through-wall bolt (4) between bearing support (2) and building structure (1),, external corner assembling type frame body structure (6) top lay L-type external corner scaffold bottom tray (5), prevent personage from falling; Building structure overhanging scaffold external corner assembling type frame body device two ends conveniently overhanging scaffold are set up mode and are installed girder of encorbelmenting (7), and conventional overhanging scaffold support body (8) is set up on top, overlaps be connected with this device, are formed overall.
With reference to Fig. 4:
The first floor and the second layer of bearing support (2) and building structure (1) are all connected and fixed, and form triangular truss structure, keep stability under loading; Building structure (1) second layer place arranges and draws board (16), fixes with double nut (3); On bearing support (2) top, vertical rod (15), leger (13), little cross bar (14) are installed again, lay L-type external corner scaffold bottom tray (5).
With reference to Fig. 5:
Bearing support (2) is fixed on building structure (1) first floor by double nut (3), and bearing support (2) outer end welding suspending bars (9) is connected with building structure (1) second layer place.
With reference to Fig. 6:
Suspending bars (9) other end, for drawing board (16), is tightened fixing by double nut (3), is connected firmly with building structure (1) second layer.
Construction method is: the interior embedded wall penetration bolt (4) of building structure (1), reach after design strength until concrete strength, according to constructure scheme, bearing support (2) is installed, connects with double nut (3), and with suspending bars (9), draw board (16) and building structure (1) second layer to fix; External corner assembling type frame body structure (6) is set up on bearing support (2) top, lays L-type external corner scaffold bottom tray (5); Girder of encorbelmenting (7) and conventional overhanging scaffold support body (8) are set up in this device two ends.This device construction method is simple, and integration operates, factory process, and quality safety is reliable, and to encorbelment girder without the need to setting up loaded down with trivial details radiation, saving steel is the important measures reducing construction costs.
Facts have proved, the present invention can guarantee that building structure change overhanging type external scaffold is safe and reliable at external corner part, is connected firmly with agent structure, meanwhile, simplifies working procedure, significantly reduces construction cost, improve efficiency of construction.The present invention constructs simply, good engineering quality.