CN209924434U - High-altitude overhanging formwork support frame body - Google Patents
High-altitude overhanging formwork support frame body Download PDFInfo
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- CN209924434U CN209924434U CN201920368942.3U CN201920368942U CN209924434U CN 209924434 U CN209924434 U CN 209924434U CN 201920368942 U CN201920368942 U CN 201920368942U CN 209924434 U CN209924434 U CN 209924434U
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Abstract
The utility model discloses a template support body encorbelments on high altitude, including encorbelmenting steel supporting platform and template support frame, the template support frame includes outside template support frame and inside template support frame, and the steel supporting platform encorbelments includes a plurality of upper portions steel girder that encorbelments, and the upper portion of the section of encorbelmenting of upper portion steel girder is provided with wire rope hanging device, and the lower part of the section of encorbelmenting of upper portion steel girder is provided with bearing diagonal device, and the anchor has a plurality of lower parts steel girder of encorbelmenting on the building structure, and bearing diagonal device supports on upper portion and encorbelments between steel girder and the lower. The utility model has the advantages of reasonable design, through the steel supporting platform that encorbelments that sets up the formula of pulling up down in one side of building structure to set up the construction that the template support frame carries out the structure of encorbelmenting on the steel supporting platform that encorbelments, can effectively improve steel supporting platform's that encorbelments stability and bearing capacity, prevent that steel supporting platform that encorbelments takes place to warp, and then avoid the template support frame on steel supporting platform upper portion of encorbelmenting to take place to topple.
Description
Technical Field
The utility model belongs to the technical field of the structure construction of encorbelmenting in high altitude, concretely relates to template support frame encorbelments in high altitude.
Background
At present, with the rapid development of economic construction and urbanization, high-rise or super high-rise buildings with different shapes are rapidly erected in large and medium cities, and in order to expand the building personality and display the variety of shapes, a high-altitude overhanging method is often adopted to overhang a certain floor or roof out of the plane of the building to form a high-altitude overhanging structure, so that the shape becomes a symbolic landscape line of the city building. The high-altitude overhanging structure, particularly a cast-in-place structure, needs to be constructed by building an overhanging template support frame body. The high-altitude overhanging structure has larger dead weight and wind load, the requirements on the stability and rigidity of the template supporting system are high during construction, and the construction process of the whole supporting system is required to have absolute reliable safety during high-altitude operation, so that the high-altitude overhanging structure is very important for selecting the supporting form and the material of the whole supporting system.
At present, a common cantilever formwork support frame adopts a lower-support and upper-pull formwork support form consisting of a steel wire rope and a support rod. If the calculation is completely carried out according to the cantilever structure, the steel wire rope does not participate in bearing load, for the overlong cantilever structure, the section size of the profile steel cantilever beam can be very large, so that the great material waste is caused, the requirement on the structural safety is not easy to achieve, the cantilever support frame in the air is required to bear great wind load, the risk of great overturning exists when the cantilever structure plate is poured, and the structure plate for anchoring the cantilever beam is likely to cause damage due to additional load bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, a template support body encorbelments in high altitude is provided, its structural design is reasonable, steel supporting platform encorbelments through setting up the formula of pulling up in one side of building structure, and set up the construction that the template support frame carried out the structure of encorbelmenting on the steel supporting platform of encorbelmenting, can effectively improve the stability and the bearing capacity of steel supporting platform of encorbelmenting, it takes place to warp to prevent to encorbelment steel supporting platform, and then avoid encorbelmenting the template support frame on steel supporting platform upper portion and take place to topple, guarantee to encorbelment steel supporting platform and have the required bearing capacity of the structure construction of enco.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a template support body encorbelments in high altitude which characterized in that: the steel girder cantilever structure comprises a cantilever steel supporting platform arranged on a building structure and a formwork support frame which is positioned on the upper portion of the cantilever steel supporting platform and is used for constructing the cantilever structure, wherein the height of the cantilever structure is 2H, H is the height of one floor of the building structure, the formwork support frame comprises an external formwork support frame arranged on the outer side of the cantilever structure and an internal formwork support frame arranged on the inner side of the cantilever structure, the upper portion of an upper cantilever steel girder is provided with a plurality of vertical rod anti-sliding steel bar heads used for positioning vertical rods of the external formwork support frame, and each vertical rod anti-sliding steel bar head is sleeved with a vertical rod; the cantilever steel supporting platform comprises a plurality of upper cantilever steel main beams anchored on the Nth floor of the building structure, wherein N is a positive integer and is more than or equal to 3, the length of a cantilever section of each upper cantilever steel main beam is greater than the width of the cantilever structure, the upper cantilever steel main beams are parallel to each other, a steel wire rope suspension device is arranged at the upper part of the cantilever section of each upper cantilever steel main beam, and an inclined supporting device is arranged at the lower part of the cantilever section of each upper cantilever steel main beam;
the structure comprises a building structure and is characterized in that a plurality of lower overhanging steel main beams for installing inclined supporting devices are anchored on an N-2 floor slab of the building structure, the lower overhanging steel main beams and an upper overhanging steel main beam are equal in number and correspond to each other one by one, each inclined supporting device comprises a plurality of groups of inclined supporting assemblies, each inclined supporting assembly is supported between an overhanging section of the upper overhanging steel main beam and an overhanging section of the lower overhanging steel main beam, each group of inclined supporting assemblies comprises two long inclined supporting rods symmetrically arranged on two sides of the upper overhanging steel main beam, one or more groups of short inclined supporting rod assemblies are arranged between the overhanging section of the upper overhanging steel main beam and the floor slab on the N-1 floor, each group of short inclined supporting rod assemblies comprises two short inclined supporting rods symmetrically arranged on two sides of the upper overhanging steel main beam, and the short inclined supporting rods are positioned on the inner sides of the long inclined supporting rods; the cantilever scaffold composed of the long diagonal rods, the transverse horizontal rods, the longitudinal horizontal rods and the short diagonal rods is an outer cantilever support frame body, the uppermost longitudinal horizontal rod in the outer cantilever support frame body is supported at the lower part of the upper cantilever steel main beam, a plurality of limiting channel steel secondary beams for limiting the long diagonal rods are fixedly mounted at the upper part of the cantilever section of the lower cantilever steel main beam, the limiting channel steel secondary beams are parallel to each other and are mutually vertical to the lower cantilever steel main beam, the number of the limiting channel steel secondary beams is equal to that of the oblique supporting assemblies, the oblique supporting assemblies correspond to the limiting channel steel secondary beams one by one, and the lower ends of the long oblique supporting rods are abutted to the grooves of the limiting channel steel secondary beams.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: the upper cantilever steel girder and the lower cantilever steel girder are both I-shaped steel, the upper cantilever steel girder is anchored on the Nth floor slab through an I-shaped steel compression ring, and the lower cantilever steel girder is anchored on the Nth-2 th floor slab through an I-shaped steel compression ring; the length of the overhanging section of the lower overhanging steel girder is smaller than that of the upper overhanging steel girder.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: the upper end of long diagonal bracing piece is provided with carries out spacing first pair fastener to the lower part of the vertical horizontal pole of the internal superiors of outrigger, each all be provided with a plurality of second pair fasteners that prevent that long diagonal bracing piece from taking place gliding on the horizontal pole, the second pair fastener supports in the outside of horizontal pole.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: and first basic frame bodies used for fixing the cantilever support frame bodies are arranged between the N-2 th floor slab and the N-1 th floor slab and between the N-1 th floor slab and the Nth floor slab, and the first basic frame bodies are full framing scaffolds and are connected with cross braces.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: first basis support body includes a plurality of horizontal pull rods with horizontal horizon bar one-to-one, be connected through rotatory fastener between horizontal pull rod and the horizontal horizon bar, all set up the through-hole that supplies horizontal horizon bar to pass on the crossbeam of Nth floor and the N-1 th floor lower part, choose the one end of the horizontal horizon bar of support body the superiors outward and pass behind the through-hole of the floor lower part of Nth floor with horizontal pull rod fastening connection, choose the horizontal horizon bar at support body middle part outward and pass behind the through-hole of the floor lower part of Nth-1 th floor with horizontal pull rod fastening connection.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: the steel wire rope suspension device comprises a first steel wire rope and a second steel wire rope, the lower end of the first steel wire rope is fixed at the end of the overhanging section of the upper overhanging steel main beam, the upper end of the first steel wire rope is fixed on the top plate, the lower end of the second steel wire rope is fixed at the middle of the overhanging section of the upper overhanging steel main beam, and the upper end of the second steel wire rope is fixed on the (N + 1) th floor.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: and a third steel wire rope is connected between the overhanging section of the lower overhanging steel girder and the floor slab at the (N-1) th floor, the lower end of the third steel wire rope is fixed at the end part of the overhanging section of the lower overhanging steel girder, and the upper end of the third steel wire rope is fixed on the floor slab at the (N-1) th floor.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: the lower part of the upper cantilever steel girder is provided with a first steel wire rope positioning assembly and a second steel wire rope positioning assembly, the first steel wire rope positioning assembly is fixed at the end part of the upper cantilever steel girder, the second steel wire rope positioning assembly is fixed at the middle part of the upper cantilever steel girder, the lower part of the lower cantilever steel girder is provided with a third steel wire rope positioning assembly, and the first steel wire rope positioning assembly, the second steel wire rope positioning assembly and the third steel wire rope positioning assembly are identical in structure and comprise two steel wire rope anti-sliding steel bar heads.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: the outside template support frame for set up on encorbelmenting steel supporting platform and with encorbelmenting structure outside shape assorted scaffold frame, horizontal horizon bar in the outside template support frame links together through rotating fastener with the horizontal horizon bar in the basic support body of second, the inside template support frame for set up in third basis support body one side and with the scaffold frame of encorbelmenting the inboard shape of structure and mutually supporting, horizontal horizon bar in the inside template support frame links together through rotating fastener with the horizontal horizon bar in the basic support body of third.
Foretell high altitude template support frame of encorbelmenting, its characterized in that: and the external template support frame, the internal template support frame, the second basic frame body and the third basic frame body are all connected with a cross brace.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a steel girder is encorbelmented on a plurality of upper portions of anchor on the Nth floor of building structure to the upper portion of encorbelmenting the steel girder sets up wire rope suspension device, forms the steel supporting platform that encorbelments of lower limb pull-up formula after the lower part of the steel girder of encorbelmenting in upper portion sets up the bearing device, can effectively improve the stability and the bearing capacity of steel supporting platform that encorbelments, prevent that the steel supporting platform that encorbelments from taking place to warp, and then avoid the template support frame on steel supporting platform upper portion that encorbelments to take place to topple.
2. The utility model discloses an anchor the lower part cantilever steel girder that has a plurality of confession bearing diagonal devices to install on the N-2 floor of building structure, make the bearing diagonal device support between lower part cantilever steel girder and upper portion cantilever steel girder, can increase cantilever steel support platform's the length of encorbelmenting, be convenient for carry out the construction of dysmorphism structure of encorbelmenting, can reduce the inclination of bearing diagonal device simultaneously, improve cantilever steel support platform's whole support intensity; the short inclined supporting rod is arranged between the (N-1) th floor slab and the overhanging section of the upper overhanging steel main beam, so that the upper overhanging steel main beam can be further supported to reduce the possibility of inclination.
3. The utility model discloses a it is fixed all to be provided with between N-2 floor and N-1 floor and between N-1 floor and the Nth floor to be used for the drawknot encorbelment the first basis support body of support body encorbelments outward, can make the support body that encorbelments outward fixed firm through first basis support body and building structure, improve the high altitude and encorbelment the bulk strength and the stability of template support body, prevent that the template support body that encorbelments in the high altitude from taking place to topple.
4. The utility model discloses a set up outside formwork support frame and be used for carrying out the formwork to the structure outside of encorbelmenting that needs were under construction, be used for carrying out the formwork to the structure inboard of encorbelmenting that needs the construction through setting up inside formwork support frame, can effectively solve the relatively poor difficult point of swash plate concrete placement compactness.
To sum up, the utility model has the advantages of reasonable design, through the steel supporting platform that encorbelments that sets up the formula of pulling up down in one side of building structure to set up the construction that formwork support frame carries out the structure of encorbelmenting on the steel supporting platform of encorbelmenting, can effectively improve the steel supporting platform's of encorbelmenting stability and bearing capacity, prevent that the steel supporting platform of encorbelmenting from taking place to warp, and then avoid the formwork support frame on the steel supporting platform upper portion of encorbelmenting to take place to topple, guarantee that the steel supporting platform of encorbelmenting has the required bearing capacity of the structure construction of encorbelm.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the high-altitude overhanging formwork support body of the invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is an enlarged view of fig. 1 at C.
Fig. 5 is a schematic structural view of the cantilever steel support platform of the present invention.
Fig. 6 is a schematic view of the positional relationship of the diagonal support assembly, the upper cantilever steel main beam and the lower cantilever steel main beam of the present invention.
Description of reference numerals:
1-upper overhanging steel girder; 2, overhanging a steel main beam at the lower part; 3-short diagonal bracing bars;
4-a first base frame body; 4-1-horizontal pull rod; 5-a first steel wire rope;
6-a second wire rope; 7-long inclined supporting rod; 8-an I-steel compression ring;
9-a top plate; 10-the (N + 1) th floor slab; 11-nth floor;
12-the (N-1) th floor slab; 13-the Nth-2 floor slab; 14-transverse horizontal bar;
15-longitudinal horizontal bar; 16-limiting channel steel secondary beams; 17-a third wire rope;
18-1 — a first wire rope positioning assembly;
18-2-a second wire rope positioning assembly;
18-3-a third wire rope positioning assembly; 19-a cross brace;
20-external formwork support; 20-1-vertical rod; 21-internal formwork support;
22-a second foundation frame body; 23-a third base frame body; 24-1-a first double fastener;
24-2-a second double fastener; 25-overhanging structure; 26-a cross beam;
27-vertical rod anti-sliding steel bar head.
Detailed Description
As shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, the utility model discloses a steel supporting platform encorbelments and be located the steel supporting platform upper portion of encorbelmenting and be used for the construction template support frame of structure 25 encorbelmenting of setting on building structure, the height of structure 25 encorbelments is 2H, and wherein, H is the height of building structure floor, the template support frame is including setting up at structure 25 encorbelmentsThe outer formwork support frame 20 on the outer side and the inner formwork support frame 21 arranged on the inner side of the cantilever structure 25, the upper part of the upper cantilever steel main beam 1 is provided with a plurality of upright anti-sliding steel bar heads 27 used for positioning the upright 20-1 of the outer formwork support frame 20, and each upright anti-sliding steel bar head 27 is sleeved with an upright 20-1; the cantilever steel supporting platform comprises a plurality of upper cantilever steel main beams 1 anchored on the Nth floor 11 of the building structure, wherein N is a positive integer and is not less than 3, and the length L of the cantilever section of the upper cantilever steel main beam 11The width W of the cantilever structure 25 is larger than that of the upper cantilever steel main beam 1, the upper cantilever steel main beam 1 is parallel to each other, a steel wire rope suspension device is arranged at the upper part of the cantilever section of the upper cantilever steel main beam 1, and an inclined support device is arranged at the lower part of the cantilever section of the upper cantilever steel main beam 1;
a plurality of lower overhanging steel main beams 2 for installing the inclined supporting device are anchored on the N-2 floor 13 of the building structure, the lower overhanging steel main beam 2 and the upper overhanging steel main beam 1 are equal in number and correspond to each other one by one, the inclined supporting device comprises a plurality of groups of inclined supporting components, the inclined support components are supported between the overhanging section of the upper overhanging steel girder 1 and the overhanging section of the lower overhanging steel girder 2, each group of the inclined support components comprises two long inclined support rods 7 symmetrically arranged at two sides of the upper overhanging steel girder 1, one or more groups of short inclined support rod assemblies are arranged between the overhanging section of the upper overhanging steel girder 1 and the N-1 floor 12, each group of short inclined support rod assemblies comprises two short inclined support rods 3 symmetrically arranged at two sides of the upper overhanging steel girder 1, and the short inclined support rods 3 are positioned at the inner sides of the long inclined support rods 7; the oblique supporting device is characterized in that a plurality of long oblique supporting rods 7 and short oblique supporting rods 3 which are parallel to each other and are positioned on the same side of the upper cantilever steel main beam 1 are connected into a whole through a plurality of transverse horizontal rods 14, the intersection points of the long oblique supporting rods 7 and the transverse horizontal rods 14, the intersection points of the upper cantilever steel main beam 1 and the transverse horizontal rods 14 and the intersection points of the short oblique supporting rods 3 and the transverse horizontal rods 14 are respectively connected with a longitudinal horizontal rod 15, the cantilever scaffold consisting of the long oblique supporting rods 7, the transverse horizontal rods 14, the longitudinal horizontal rods 15 and the short oblique supporting rods 3 is an outer cantilever support body, the longitudinal horizontal rod 15 on the uppermost layer in the outer cantilever support body is supported on the lower part of the upper cantilever steel main beam 1, a plurality of limiting channel steel secondary beams 16 for limiting the long oblique supporting rods 7 are fixedly mounted on the upper part of the cantilever steel main beam 2 in the lower part, it is a plurality of spacing channel-section steel secondary beam 16 is parallel to each other and its and the lower part steel girder 2 mutually perpendicular that encorbelments, the quantity of spacing channel-section steel secondary beam 16 is equal and the one-to-one with diagonal bracing subassembly's quantity, the lower extreme butt of long diagonal bracing piece 7 is in the recess of spacing channel-section steel secondary beam 16.
During the in-service use, through a plurality of upper portions steel girder 1 of encorbelmenting on Nth floor 11 of building structure, and set up wire rope suspension device and carry out the pull-up to upper portion steel girder 1 of encorbelmenting on the upper portion of steel girder 1 of encorbelmenting in upper portion, form the steel supporting platform of encorbelmenting of formula of pulling down behind the lower part of steel girder 1 of encorbelmenting in upper portion sets up the bearing device, can effectively improve the stability and the bearing capacity of steel supporting platform of encorbelmenting, prevent that the steel supporting platform of encorbelmenting from taking place to warp, and then avoid encorbelmenting the formwork support frame on steel supporting platform.
Particularly, a plurality of lower overhanging steel main beams 2 for installing the inclined supporting devices are anchored on the Nth-2 floor slab 13 of the building structure, so that the inclined supporting devices are supported between the lower overhanging steel main beams 2 and the upper overhanging steel main beams 1, the overhanging length of the overhanging steel supporting platform can be increased, the construction of a special-shaped overhanging structure is facilitated, the inclination angle of the inclined supporting devices can be reduced, and the integral supporting strength of the overhanging steel supporting platform is improved; by arranging the short inclined support rods 3 between the (N-1) th floor slab 12 and the overhanging section of the upper overhanging steel girder 1, the upper overhanging steel girder can be further supported to reduce the possibility of inclination.
It should be noted that, two long inclined supporting rods 7 in each group of inclined supporting assemblies are symmetrically arranged on two sides of the upper overhanging steel girder 1, and two short inclined supporting rods 3 in each group of short inclined supporting rod assembly are symmetrically arranged on two sides of the upper overhanging steel girder 1, so that the upper overhanging steel girder 1 can be tightened, the upper overhanging steel girder 1 is prevented from swinging in the horizontal direction in the construction process, and the construction safety is ensured.
In this embodiment, be used for carrying out the formwork to the structure 25 outside of encorbelmenting that needs the construction through setting up outside template support frame 20, be used for carrying out the formwork to the structure 25 inboard of encorbelmenting that needs the construction through setting up inside template support frame 21, can effectively solve the difficult point that swash plate concrete placement compactness is relatively poor.
When the long inclined supporting rod is actually used, the plurality of limiting channel steel secondary beams 16 are arranged on the overhanging section of the lower overhanging steel main beam 2, so that the lower end of the long inclined supporting rod 7 can be clamped in the groove of the limiting channel steel secondary beams 16, the long inclined supporting rod 7 is limited, and the lower end of the long inclined supporting rod 7 is prevented from sliding; the lower extreme of long bearing diagonal pole 7 is provided with the oblique angle, can make long bearing diagonal pole 7 be the slope form and support when encorbelmenting steel girder 1 in upper portion and the lower part and encorbelment between the steel girder 2, the oblique angle of long bearing diagonal pole 7 lower part just is parallel to each other with the tank bottom of spacing channel-section steel secondary beam 16, and then improves the support stability of long bearing diagonal pole 7.
In this embodiment, the support height of the support frame body of encorbelmenting outside of steel supporting platform lower part is the height of two stories, to carrying out the construction of the structure of encorbelmenting greatly in the high air, bearing capacity, stability etc. can both satisfy, simultaneously, because the support frame body of encorbelmenting outward has sufficient bearing capacity, consequently is convenient for increase the construction area of encorbelmenting steel supporting platform in order to be applicable to the construction of the structure of encorbelmenting greatly in the high air.
In actual use, the length L of the overhanging section of the upper overhanging steel girder 1 is made1Be greater than the width W of structure 25 of encorbelmenting, can guarantee to set up the security of the outside form support frame 20 on the upper portion of encorbelmenting steel girder 1 upper portion, guarantee setting up smoothly of outside form support frame 20, avoid outside form support frame 20 to stretch out to the upper portion steel girder 1 outside of encorbelmenting, the security is relatively poor.
It should be noted that, a plurality of vertical rod anti-sliding reinforcing steel bar heads 27 are welded on the upper portion of the upper overhanging steel girder 1, the vertical rod anti-sliding reinforcing steel bar heads 27 are vertically arranged with the upper overhanging steel girder 1, when the external formwork support frame 20 is erected, the lower end of the vertical rod 20-1 is sleeved on the vertical rod anti-sliding reinforcing steel bar heads 27, so that not only can the arrangement position of the vertical rod 20-1 be accurately positioned, but also the vertical rod 20-1 can be prevented from sliding in the construction process, and the stability of the whole external formwork support frame 20 is ensured.
In this embodiment, the (N + 1) th floor 10 is a second floor from top to bottom in the building structure, that is, the (N + 1) th floor 10 is a floor next to the top plate 9.
In the embodiment, the upper overhanging steel girder 1 and the lower overhanging steel girder 2 are both i-shaped steel, the upper overhanging steel girder 1 is anchored on the nth floor 11 through an i-shaped steel compression ring 8, and the lower overhanging steel girder 2 is anchored on the nth-2 floor 13 through an i-shaped steel compression ring 8; length L of overhanging section of lower overhanging steel girder 22Is less than the length L of the overhanging section of the upper overhanging steel girder 11。
During the in-service use, through I-steel clamping ring 8 with the steel girder 1 anchor of encorbelmenting in upper portion on N floor 11, with the steel girder 2 anchor of encorbelmenting in lower part on N-2 floor 13 simultaneously, can make the steel girder 1 of encorbelmenting in upper portion and the steel girder 2 of encorbelmenting in lower part all with building structure fastening connection as an organic whole, improve the stability of the just supporting platform of whole encorbelmenting.
The length L of the overhanging section of the lower overhanging steel main beam 2 is set to be equal to or less than the length L of the overhanging section of the lower overhanging steel main beam2Is less than the length L of the overhanging section of the upper overhanging steel girder 11The bending deformation of the lower cantilever steel girder 2 can be smaller than that of the upper cantilever steel girder 1, a long inclined supporting rod 7 is convenient to be arranged between the upper cantilever steel girder 1 and the lower cantilever steel girder 2, and then the cantilever section of the upper cantilever steel girder 1 is supported, so that the bending deformation of the upper cantilever steel girder 1 is prevented from being large, and further the construction quality is influenced.
In this embodiment, the length L of the overhanging section of the lower overhanging steel girder 22Less than the length L of its anchoring section3The lower cantilever steel girder 2 can be firmly fixed, and the possibility of flexural deformation of the lower cantilever steel girder 2 is reduced.
In this embodiment, the upper end of the long diagonal support bar 7 is provided with a first double fastener 24-1 for limiting the lower portion of the uppermost longitudinal horizontal bar 15 in the cantilever support frame, each of the horizontal bars 14 is provided with a plurality of second double fasteners 24-2 for preventing the long diagonal support bar 7 from sliding, and the second double fasteners 24-2 are supported outside the horizontal bars 14.
During the in-service use, the lower surface that the lower part of the steel girder 1 that encorbelments on upper portion hugs closely upper portion steel girder 1 is provided with a plurality of vertical horizon bars 15, is located two of same group diagonal bracing subassembly long diagonal bracing piece 7 all is fixed with vertical horizon bar 15, through being provided with first pair fastener 24-1 in the upper end of long diagonal bracing piece 7 to make first pair fastener 24-1 support in the lower part of vertical horizon bar 15, can consolidate the junction of vertical horizon bar 15 and long diagonal bracing piece 7, and then avoid long diagonal bracing piece 7 to encorbelment steel girder 1 relative upper portion and slide.
It should be noted that, by arranging a plurality of second double fasteners 24-2 for preventing the long diagonal support bars 7 from sliding on each of the horizontal bars 14, the long diagonal support bars 7 can be reinforced, the long diagonal support bars 7 are prevented from sliding relative to the horizontal bars 14, and the stability of the cantilever support frame body is improved.
In this embodiment, the first foundation frame body 4 for fixing the cantilever support frame body is arranged between the N-2 th floor 13 and the N-1 th floor 12 and between the N-1 th floor 12 and the N-11 th floor, and the first foundation frame body 4 is a full hall scaffold and is connected with a cross brace 19.
During actual use, the first foundation frame bodies 4 used for fixing the overhanging support frame bodies are arranged between the N-2 th floor 13 and the N-1 th floor 12 and between the N-1 th floor 12 and the N-1 th floor 11 in a pulling mode, so that the overhanging support frame bodies can be firmly fixed with a building structure through the first foundation frame bodies 4, the overall strength and the stability of the high-altitude overhanging formwork support frame bodies are improved, and the high-altitude overhanging formwork support frame bodies are prevented from overturning.
In this embodiment, first basis support body 4 includes a plurality of horizontal braces 4-1 with horizontal rod 14 one-to-one, be connected through rotatory fastener between horizontal brace 4-1 and the horizontal brace 14, all offer the through-hole that supplies horizontal brace 14 to pass on the crossbeam 26 of nth floor 11 and the 12 lower parts of nth floor, choose the one end of the horizontal brace 14 of support body the superiors outward and pass behind the through-hole of nth floor 11 lower part with horizontal brace 4-1 fastening connection, choose the horizontal brace 14 in support body middle part outward and pass behind the through-hole of the 12 lower parts of nth floor 4-1 fastening connection with horizontal brace 4-1 fastening connection.
During the in-service use, through all set up the through-hole that supplies horizontal horizon bar 14 to pass on crossbeam 26 of nth floor 11 and nth-1 floor 12 lower part, can make horizontal horizon bar 14 pass fixed with horizontal tension bar 4-1 drawknot behind the through-hole, simultaneously because crossbeam 26 is spacing to horizontal horizon bar 14 for horizontal horizon bar 14 is difficult to take place to incline, and then makes whole cantilever support frame body and the intraformational first basis support frame body 4 drawknot of building as an organic whole through horizontal horizon bar 14, guarantees its stability, consequently is difficult for taking place to topple in the work progress.
In this embodiment, the wire rope suspension device includes first wire rope 5 and second wire rope 6, the lower extreme of first wire rope 5 is fixed at the tip that the section was encorbelmented to upper portion steel girder 1, the upper end of first wire rope 5 is fixed on roof 9, the lower extreme of second wire rope 6 is fixed at the middle part that the section was encorbelmented to upper portion steel girder 1, the upper end of second wire rope 6 is fixed on the (N + 1) th floor 10.
During actual use, the lower end of the first steel wire rope 5 is fixed at the end part of the overhanging section of the upper overhanging steel girder 1, the upper end of the first steel wire rope is fixed on the top plate 9 of the building structure, the lower end of the second steel wire rope 6 is fixed at the middle part of the overhanging section of the upper overhanging steel girder 1, and the upper end of the second steel wire rope is fixed on the (N + 1) th floor 10 of the building structure, different parts of the overhanging section of the upper overhanging steel girder 1 can be subjected to different-angle drawknot fixation, the first steel wire rope 5 and the second steel wire rope 6 are mutually matched to carry out double fixation on the upper overhanging steel girder 1, and the possibility of deformation of the upper overhanging steel girder 1 is reduced.
In this embodiment, a third steel wire rope 17 is connected between the overhanging section of the lower overhanging steel girder 2 and the N-1 th floor 12, the lower end of the third steel wire rope 17 is fixed at the end of the overhanging section of the lower overhanging steel girder 2, and the upper end of the third steel wire rope 17 is fixed on the N-1 th floor 12.
During actual use, the third steel wire rope suspension device is arranged on the upper portion of the lower cantilever steel girder 2, so that the third steel wire rope 17 connects the cantilever section of the lower cantilever steel girder 2 with the (N-1) th floor 12, upward pulling force can be provided for the lower cantilever steel girder 2, the lower cantilever steel girder 2 and a building structure are fixedly connected into a whole in a pulling mode, the lower cantilever steel girder 2 is prevented from being pressed and inclined downwards, and the stability of the lower supporting structure of the long inclined supporting rod 7 can be guaranteed.
As shown in fig. 2, 3 and 4, in this embodiment, a first steel wire rope positioning component 18-1 and a second steel wire rope positioning component 18-2 are arranged at the lower part of the upper cantilever steel main beam 1, the first steel wire rope positioning component 18-1 is fixed at the end part of the upper cantilever steel main beam 1, the second steel wire rope positioning component 18-2 is fixed at the middle part of the upper cantilever steel main beam 1, a third steel wire rope positioning component 18-3 is arranged at the lower part of the lower cantilever steel main beam 2, and the first steel wire rope positioning component 18-1, the second steel wire rope positioning component 18-2 and the third steel wire rope positioning component 18-3 are all the same in structure and each includes two steel wire rope anti-sliding reinforcing steel bar heads.
When the device is actually used, two pairs of steel wire rope anti-sliding steel bar heads are welded at the lower part of the upper cantilever steel main beam 1 to respectively form a first steel wire rope positioning component 18-1 and a second steel wire rope positioning component 18-2, so that the lower end of a first steel wire rope 5 can be hung at the end part of the upper cantilever steel main beam 1 and limited by the first steel wire rope positioning component 18-1, the lower end of the first steel wire rope 5 is clamped between the two steel wire rope anti-sliding steel bar heads in the first steel wire rope positioning component 18-1, the lower end of a second steel wire rope 6 is hung at the middle part of the upper cantilever steel main beam 1 and limited by the second steel wire rope positioning component 18-2, the lower end of the second steel wire rope 6 is clamped between the two steel wire rope anti-sliding steel bar heads in the second steel wire rope positioning component 18-2, and the first steel wire rope 5 and the second steel wire rope 6 are prevented from sliding on the upper cantilever steel main beam 1, and then the upper overhanging steel girder 1 is rocked.
It should be noted that a pair of steel wire rope anti-sliding steel bar heads are welded on the lower portion of the lower overhanging steel girder 2 to form a third steel wire rope positioning assembly 18-3, so that the lower end of the third steel wire rope 17 is hung on the end portion of the lower overhanging steel girder 2 and is limited by the third steel wire rope positioning assembly 18-3, and the third steel wire rope 17 is prevented from sliding relative to the lower overhanging steel girder 2, so that the lower overhanging steel girder 2 is prevented from shaking, and the stability of the whole overhanging steel support platform is further influenced.
In this embodiment, outside formwork support frame 20 for set up on encorbelmenting steel supporting platform and with encorbelment structure 25 outside shape assorted scaffold frame, horizontal horizon bar in the outside formwork support frame 20 links together through rotating fastener with the horizontal horizon bar in the second basis support body 22, inside formwork support frame 21 for set up in third basis support body 23 one side and with encorbelment the scaffold frame of 25 inboard shapes of structure mutually supporting, horizontal horizon bar in the inside formwork support frame 21 links together through rotating fastener with the horizontal horizon bar in the third basis support body 23.
In practical use, the second foundation frame body 22 for reinforcing the external formwork support frame 20 is arranged between the nth floor 11 and the (N + 1) th floor 10, so that the external formwork support frame 20 can be fixed in a pulling mode, the stability of the external formwork support frame 20 is improved, and meanwhile, the load of the cantilever steel support platform is reduced; through be provided with third basis support body 23 between roof 9 and the (N + 1) th floor 10, can set up the platform for inside template support frame 21 provides a fine support body, help setting up of inside template support frame 21.
In this embodiment, the outer formwork support frame 20, the inner formwork support frame 21, the second foundation frame body 22 and the third foundation frame body 23 are all connected with a cross brace 19.
During the in-service use, all be provided with continuous bridging 19 on outside template support frame 20, inside template support frame 21, second basis support body 22 and the third basis support body 23, through setting up bridging 29, can improve the stability of support body, prevent that the support body from taking place to collapse or topple.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (10)
1. The utility model provides a template support body encorbelments in high altitude which characterized in that: the steel girder cantilever structure comprises a cantilever steel supporting platform arranged on a building structure and a formwork support frame which is positioned on the upper portion of the cantilever steel supporting platform and is used for constructing a cantilever structure (25), wherein the height of the cantilever structure (25) is 2H, H is the height of a floor of the building structure, the formwork support frame comprises an external formwork support frame (20) arranged on the outer side of the cantilever structure (25) and an internal formwork support frame (21) arranged on the inner side of the cantilever structure (25), a plurality of vertical rod anti-sliding steel bar heads (27) used for positioning vertical rods (20-1) of the external formwork support frame (20) are arranged on the upper portion of an upper cantilever steel girder (1), and each vertical rod anti-sliding steel bar head (27) is sleeved with one vertical rod (20-1); the cantilever steel supporting platform comprises a plurality of upper cantilever steel main beams (1) anchored on the Nth floor (11) of the building structure, wherein N is a positive integer and is more than or equal to 3, the length of the cantilever section of each upper cantilever steel main beam (1) is greater than the width of a cantilever structure (25), the upper cantilever steel main beams (1) are parallel to each other, a steel wire rope suspension device is arranged on the upper part of the cantilever section of each upper cantilever steel main beam (1), and an inclined supporting device is arranged on the lower part of the cantilever section of each upper cantilever steel main beam (1);
a plurality of lower overhanging steel main beams (2) for installing the inclined supporting devices are anchored on an N-2 floor (13) of the building structure, the lower overhanging steel main beams (2) and the upper overhanging steel main beams (1) are equal in number and correspond to each other one by one, each inclined supporting device comprises a plurality of groups of inclined supporting components, each inclined supporting component is supported between an overhanging section of the upper overhanging steel main beam (1) and an overhanging section of the lower overhanging steel main beam (2), each group of inclined supporting components comprises two long inclined supporting rods (7) symmetrically arranged at two sides of the upper overhanging steel main beam (1), one or more groups of short inclined supporting rod components are arranged between the overhanging section of the upper overhanging steel main beam (1) and the N-1 floor (12), each group of short inclined supporting rod components comprises two short inclined supporting rods (3) symmetrically arranged at two sides of the upper overhanging steel main beam (1), the short inclined supporting rod (3) is positioned at the inner side of the long inclined supporting rod (7); lie in the bearing diagonal device that upper portion encorbelments steel girder (1) with a plurality of long bearing diagonal poles (7) of one side and short bearing diagonal pole (3) between connect as an organic wholely through a plurality of horizontal horizon bar (14) that parallel, the crossing point department of long bearing diagonal pole (7) and horizontal horizon bar (14), the steel girder (1) encorbelments on upper portion and the crossing point department of horizontal horizon bar (14) and the crossing point department of short bearing diagonal pole (3) and horizontal horizon bar (14) all is connected with a vertical horizon bar (15), the scaffold that encorbelments that long bearing diagonal pole (7), horizontal horizon bar (14), vertical horizon bar (15) and short bearing diagonal pole (3) constitute is the support body of encorbelmenting outward, vertical horizon bar (15) of the internal superiors in the support body support the lower part of upper portion encorbelmenting steel girder (1), the upper portion fixed mounting of lower part encorbelmenting steel girder (2) the overhang section has a plurality of being carried out spacing bearing diagonal pole (7) to long bearing diagonal Channel-section steel secondary beam (16), it is a plurality of spacing channel-section steel secondary beam (16) are parallel to each other and its and lower part steel girder (2) mutually perpendicular of encorbelmenting, the quantity of spacing channel-section steel secondary beam (16) is equal and the one-to-one with the quantity of diagonal bracing subassembly, the lower extreme butt of long bearing diagonal pole (7) is in the recess of spacing channel-section steel secondary beam (16).
2. The high-altitude cantilever formwork support frame body as claimed in claim 1, is characterized in that: the upper cantilever steel girder (1) and the lower cantilever steel girder (2) are both H-shaped steel, the upper cantilever steel girder (1) is anchored on the Nth floor (11) through an H-shaped steel compression ring (8), and the lower cantilever steel girder (2) is anchored on the Nth-2 th floor (13) through the H-shaped steel compression ring (8); the length of the overhanging section of the lower overhanging steel girder (2) is smaller than that of the upper overhanging steel girder (1).
3. The high-altitude cantilever formwork support frame body as claimed in claim 1, is characterized in that: the upper end of long bearing diagonal pole (7) is provided with the lower part of the vertical horizontal pole (15) of the internal superiors of support frame of choosing outside and carries out spacing first pair of fastener (24-1), each all be provided with a plurality of second pair of fasteners (24-2) that prevent long bearing diagonal pole (7) to take place gliding on horizontal pole (14), second pair of fastener (24-2) support in the outside of horizontal pole (14).
4. The high-altitude cantilever formwork support frame body as claimed in claim 1, is characterized in that: and a first foundation frame body (4) used for being fixed by a tie is arranged between the N-2 th floor (13) and the N-1 th floor (12) and between the N-1 th floor (12) and the N-1 th floor (11), the first foundation frame body (4) is a full framing scaffold and is connected with a cross brace (19) on the frame body.
5. The high-altitude cantilever formwork support frame body as claimed in claim 4, is characterized in that: first basis support body (4) include a plurality of horizontal pull rod (4-1) with horizontal rod (14) one-to-one, be connected through rotatory fastener between horizontal pull rod (4-1) and horizontal rod (14), all offer the through-hole that supplies horizontal rod (14) to pass on crossbeam (26) of Nth floor (11) and the bottom of Nth floor (12), choose the one end of horizontal rod (14) of support body the superiors outward and pass behind the through-hole of Nth floor (11) lower part with horizontal pull rod (4-1) fastening connection, choose horizontal rod (14) at support body middle part outward and pass behind the through-hole of the bottom of Nth floor (12) with horizontal pull rod (4-1) fastening connection.
6. The high-altitude cantilever formwork support frame body as claimed in claim 1, is characterized in that: the steel wire rope suspension device comprises a first steel wire rope (5) and a second steel wire rope (6), the lower end of the first steel wire rope (5) is fixed at the end part of the cantilever section of the cantilever steel main beam (1) on the upper part, the upper end of the first steel wire rope (5) is fixed on the top plate (9), the lower end of the second steel wire rope (6) is fixed at the middle part of the cantilever section of the cantilever steel main beam (1) on the upper part, and the upper end of the second steel wire rope (6) is fixed on the (N + 1) th floor slab (10).
7. The high-altitude cantilever formwork support frame body as claimed in claim 6, is characterized in that: the steel girder cantilever structure is characterized in that a third steel wire rope (17) is connected between the cantilever section of the lower cantilever steel girder (2) and the (N-1) th floor (12), the lower end of the third steel wire rope (17) is fixed at the end of the cantilever section of the lower cantilever steel girder (2), and the upper end of the third steel wire rope (17) is fixed on the (N-1) th floor (12).
8. The high-altitude cantilever formwork support frame body as claimed in claim 7, is characterized in that: the lower part of the upper cantilever steel girder (1) is provided with a first steel wire rope positioning component (18-1) and a second steel wire rope positioning component (18-2), the end part of the upper cantilever steel girder (1) is fixed by the first steel wire rope positioning component (18-1), the middle part of the upper cantilever steel girder (1) is fixed by the second steel wire rope positioning component (18-2), the lower part of the lower cantilever steel girder (2) is provided with a third steel wire rope positioning component (18-3), the structures of the first steel wire rope positioning component (18-1), the second steel wire rope positioning component (18-2) and the third steel wire rope positioning component (18-3) are all the same and comprise two steel wire rope anti-sliding steel bar heads.
9. The high-altitude cantilever formwork support frame body as claimed in claim 1, is characterized in that: outside template support frame (20) for set up encorbelment on the steel supporting platform and with encorbelment structure (25) outside shape assorted scaffold frame, horizontal horizon bar in outside template support frame (20) and the horizontal horizon bar in second basis support body (22) link together through rotatory fastener, inside template support frame (21) for set up in third basis support body (23) one side and with encorbelment the scaffold frame of mutually supporting of structure (25) inboard shape, horizontal horizon bar in inside template support frame (21) and the horizontal horizon bar in third basis support body (23) link together through rotatory fastener.
10. The high-altitude cantilever formwork support frame body as claimed in claim 9, characterized in that: and the external template support frame (20), the internal template support frame (21), the second basic frame body (22) and the third basic frame body (23) are all connected with a cross brace (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920368942.3U CN209924434U (en) | 2019-03-21 | 2019-03-21 | High-altitude overhanging formwork support frame body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920368942.3U CN209924434U (en) | 2019-03-21 | 2019-03-21 | High-altitude overhanging formwork support frame body |
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| CN209924434U true CN209924434U (en) | 2020-01-10 |
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| CN201920368942.3U Expired - Fee Related CN209924434U (en) | 2019-03-21 | 2019-03-21 | High-altitude overhanging formwork support frame body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441577A (en) * | 2020-04-17 | 2020-07-24 | 中建一局集团第一建筑有限公司 | Reinforcing structure and method for ultra-thick cantilever plate side mold |
| CN115613798A (en) * | 2022-10-27 | 2023-01-17 | 北京房地集团有限公司 | Mounting structure and mounting method for cantilever beam of cantilever scaffold |
-
2019
- 2019-03-21 CN CN201920368942.3U patent/CN209924434U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441577A (en) * | 2020-04-17 | 2020-07-24 | 中建一局集团第一建筑有限公司 | Reinforcing structure and method for ultra-thick cantilever plate side mold |
| CN115613798A (en) * | 2022-10-27 | 2023-01-17 | 北京房地集团有限公司 | Mounting structure and mounting method for cantilever beam of cantilever scaffold |
| CN115613798B (en) * | 2022-10-27 | 2023-10-03 | 北京房地集团有限公司 | Mounting structure and mounting method of cantilever beam of cantilever scaffold |
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