CN212025941U - Cast-in-place concrete structure formwork mounting support frame for steel-concrete composite beam flange plate - Google Patents
Cast-in-place concrete structure formwork mounting support frame for steel-concrete composite beam flange plate Download PDFInfo
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- CN212025941U CN212025941U CN202020577084.6U CN202020577084U CN212025941U CN 212025941 U CN212025941 U CN 212025941U CN 202020577084 U CN202020577084 U CN 202020577084U CN 212025941 U CN212025941 U CN 212025941U
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Abstract
The utility model belongs to the technical field of the steel-concrete composite beam construction technique and specifically relates to a cast-in-place concrete structure formwork erection bracing frame of steel-concrete composite beam flange board. The support frame comprises a support frame body, wherein the support frame body is of a right-angled triangle structure formed by welding a horizontal connecting rod, a vertical connecting rod and an oblique rod, the upper end of the vertical connecting rod is connected with a top plate of a steel structure box girder, the lower end of the vertical connecting rod is provided with an adjusting rod sleeve, an adjusting rod is arranged in the adjusting rod sleeve, and the vertical connecting rod is connected with a web plate of the steel structure box girder through the adjusting rod; and a template supporting beam is arranged above the horizontal connecting rod, and a template is arranged above the template supporting beam. The utility model discloses reduce when cast in situ reinforced concrete flange plate construction scaffold frame set up and demolish the construction process, optimized the construction process step, reduced the artifical use of installation flange plate template, reduced workman's intensity of labour, improved the efficiency of construction, saved engineering cost.
Description
Technical Field
The utility model belongs to the technical field of the steel-concrete composite beam construction technique and specifically relates to a cast-in-place concrete structure formwork erection bracing frame of steel-concrete composite beam flange board.
Background
The steel-concrete composite structure can give full play to the advantages of steel and concrete, can effectively reduce the self weight of the structure compared with a concrete structure, can obviously improve the rigidity and stability and save the steel consumption compared with a steel structure, and has good economic and technical characteristics, thereby being widely applied to engineering practice. In particular to a steel-concrete combined continuous steel beam in bridge engineering, which has the advantages of large bending and torsional rigidity, strong integrity, good earthquake resistance, strong spanning capability, quick construction and the like, and is widely applied to bridge engineering construction.
The flange plate of the reinforced concrete composite beam is of a reinforced concrete structure, concrete is poured together with the bridge floor to form a reinforced concrete bridge floor structure, a scaffold needs to be erected before concrete is poured, then concrete is poured at last by installing the flange plate template, the bridge height is high, and the flange plate belongs to the bridge floor overhanging poured concrete structure, high-altitude operation needs to be carried out on the scaffold erected for pouring the flange plate and template construction, the labor intensity of workers is high, the safety risk is high, a large amount of labor is needed for scaffold installation and dismantling, the labor time is long, and the cost of repeatedly renting the scaffold is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reduce the cost of labor, optimize construction process, reduce the construction step, improve the cast-in-place concrete structure formwork erection bracing frame of efficiency of construction's steel-concrete composite beam flange board.
The utility model adopts the following technical scheme:
a cast-in-place concrete structure formwork mounting support frame for a steel-concrete composite beam flange plate comprises a support frame body, wherein the support frame body is of a right-angled triangle structure formed by welding a horizontal connecting rod, a vertical connecting rod and an inclined rod; and a template supporting beam is arranged above the horizontal connecting rod, and a template is arranged above the template supporting beam.
Compared with the prior art, the utility model discloses a beneficial effect is:
the support frame reduces the construction procedures of erecting and dismantling the scaffold when the cast-in-place reinforced concrete flange plate is constructed, reduces the labor cost for installing the flange plate, reduces the labor intensity of constructors, improves the working efficiency and shortens the construction period.
Further, the utility model discloses a preferred scheme is:
and reinforcing rods in a continuous triangular structure are arranged among the horizontal connecting rods, the vertical connecting rods and the inclined rods.
The top of the vertical connecting rod is provided with a connecting plate, and the vertical connecting rod is connected with the top plate of the steel structure box girder through the connecting plate; the bottom of vertical connecting rod transversely is provided with the regulation pole sleeve, and vertical connecting rod is connected with the regulation pole through adjusting the pole sleeve.
The adjusting rod comprises a screw rod and a clamping support, a steel base plate is arranged at one end of the screw rod, the other end of the screw rod is installed in an adjusting rod sleeve, two ends of the adjusting rod sleeve are respectively provided with a clamping support, and the adjusting rod sleeve is locked through the clamping supports at the two ends of the adjusting rod sleeve.
The upper end face of the connecting plate is welded with a vertical connecting bolt, and the connecting plate is connected with the top plate of the steel structure box girder through the vertical connecting bolt and is locked through a movable nut on the vertical connecting bolt.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a stent body;
FIG. 3 is a schematic structural view of the adjustment lever;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic structural view of cast concrete;
FIG. 6 is a schematic view after construction is completed;
in the figure: a vertical connecting rod 1; a horizontal connecting rod 2; a diagonal member 3; a reinforcing rod 4; an adjustment rod sleeve 5; a connecting plate 6; a screw 7; a steel backing plate 8; a card holder 9; a vertical connecting bolt 10; a removable shim 1001; a movable nut 1002; a steel structural box beam web 11; a steel box girder top plate 12; reinforcing steel bars 13; a reinforcement spacer 14; a bolt spacer sleeve 15; a template joist 16; a template 17; and concrete 18.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, 2 and 3, the formwork installing and supporting frame for the cast-in-place concrete structure of the flange plate of the steel-concrete composite beam comprises a supporting frame body, wherein the supporting frame body is of a right-angled triangular frame structure formed by welding a horizontal connecting rod 2, a vertical connecting rod 1 and an oblique rod 3, and reinforcing rods 4 are welded among the horizontal connecting rod 2, the vertical connecting rod 1 and the oblique rod 3. The horizontal welding of the upper end of vertical connecting rod 1 has a connecting plate 6, and the upper surface welding of connecting plate 6 has vertical connecting bolt 10, and connecting plate 6 is connected with steel construction box girder roof 12 through vertical connecting rod 1, and locks through activity gasket 1001 and the movable nut 1002 on vertical connecting bolt 10. The outside cover of vertical connecting bolt 10 is equipped with bolt distance sleeve 15, and bolt distance sleeve 15 prevents that vertical connecting bolt 10 can not be dismantled because of pouring the concrete.
The lower extreme horizontal welding of vertical connecting rod 1 has an adjusting rod sleeve 5, and adjusting rod sleeve 5 sets up with vertical connecting rod 1 is perpendicular. The adjusting rod is held in the palm 9 by screw rod 7 and two cards and is constituteed, in screw rod 7 inserts adjusting rod sleeve 5, respectively hold in the palm 9 (the card holds in the palm 9 and is the nut that matches with screw rod 7) locking with a card at adjusting rod sleeve 5's both ends respectively, the vertical welding of screw rod 7's left end has a steel backing plate 8, through the reach of adjusting screw rod 7 left end, make steel backing plate 8 top on steel construction box girder web 11 to prevent that the support frame body from taking place the rotation about. A template joist 16 is arranged above the horizontal connecting rod 2, and a template 17 is fixedly arranged above the template joist 16.
In the embodiment, the diameter of the steel pipe is 48.3mm, the wall thickness is 3.6mm, the length of the horizontal connecting rod 2 is 1.0-1.5 m, the height of the vertical connecting rod 1 is 0.5m, and the length of the horizontal connecting rod 2 and the height of the vertical connecting rod 1 can be changed according to actual requirements according to the requirements of construction engineering; the reinforcing rod 4 inside the support frame body, the horizontal connecting rod 2, the vertical connecting rod 1 and the inclined rod 3 are welded into a continuous triangle. The adjusting rod sleeve 5 is positioned at the lower end of the vertical connecting rod 1 and is welded and fixed with the vertical connecting rod 1 at an angle of 90 degrees; vertical connecting bolt 10's bolt diameter is 30mm, vertical connecting bolt 10's bottom and horizontal connecting rod 2's top end face welded fastening, set up a movable nut 1002 on vertical connecting bolt 10, vertical connecting bolt 10 passes through movable nut 1002 and locks with steel construction box girder roof 12, in order to prevent that movable nut 1002 is not hard up, also can increase removable gasket 1001 between movable nut 1002 and steel construction box girder roof 12, connecting plate 6 is a length of side 100mm, 10 mm's thick square steel plate. The steel backing plate 8 on the adjusting rod is the same as the connecting plate 6 in size and thickness, and the clamping support 9 of the adjusting rod is a nut with the inner diameter of 30mm, the outer diameter of 40mm and the thickness of 20 mm; the bolt isolation sleeve 15 is a steel sleeve with an inner diameter of 40mm, an outer diameter of 50mm and a wall thickness of 5 mm.
A method for installing a cast-in-place concrete structure template of a flange plate of a steel-concrete composite beam comprises the following steps:
A. and manufacturing a plurality of support frames and an adjusting rod matched with each support frame according to the width of the overhanging cast-in-place reinforced concrete flange plate and the length of a construction section.
B. The supporting frames and the adjusting rods are arranged in a one-to-one correspondence mode, the same group of adjusting rods penetrate through the adjusting rod sleeve 5 matched with the same group of adjusting rods, and the two ends of the adjusting rod sleeve 5 are clamped tightly by the clamping supports 9 respectively.
C. The connecting plate 6 at the upper end of the vertical connecting rod 1 is connected with the steel structure box girder top plate 12 into a whole through a vertical connecting bolt 10.
D. Adjusting the screw 7 of the adjusting rod to enable the screw 7 to be in a horizontal state, adjusting the length of the screw 7 close to one end of the steel structure box girder, and enabling the steel base plate 8 at the end part of the screw 7 to tightly push the steel structure box girder web 11.
E. And D, repeating the step A to the step D to finish the installation of the support frames at other construction positions.
F. A template joist 16 is arranged on the horizontal connecting rod 2 of the supporting frame, and a template 17 is arranged on the template joist 16.
G. The method comprises the steps of installing a steel bar cushion block 14 and steel bars 13 of a flange plate of the overhanging cast-in-place concrete structure, and installing a bolt isolation protective sleeve 15 on a vertical connecting bolt 10 on a support frame.
H. And pouring concrete 18 of the overhanging cast-in-place concrete structure flange plate.
I. And sequentially removing the bolt isolation protective sleeves 15 in the cast-in-place reinforced concrete flange plate, unscrewing the vertical connecting bolts 10 on the steel structure box girder top plate 12, removing the support frame from the steel structure box girder, removing the template joist 16 and the template 17, filling and compacting the cavity formed on the poured concrete flange plate by using mortar, grouting material or fine aggregate concrete after the vertical connecting bolts 10 are removed from the steel structure box girder, and completing the construction of the cantilever cast-in-place reinforced concrete flange plate.
J. And D, repeating the step C to the step I, and finishing construction of the overhanging cast-in-place reinforced concrete flange plate of the other part sections.
According to the technical scheme, the cantilever type cast-in-place reinforced concrete flange plate formwork of the bridge steel box girder is installed by using the triangular formwork support frame. The support frame is connected with the outer edge of a steel structure box girder top plate 12 through vertical connecting bolts 10 to form a whole, and the vertical connecting bolts 10 provide vertical pulling force for the template support system. The support frame can also be used for installing a prefabricated reinforced concrete overhanging type cast-in-place reinforced concrete flange plate template with an outer edge, bolt holes for installing vertical connecting bolts 10 are reserved on a prefabricated box girder before the support frame is installed, and the support frame can be directly fixed with the prefabricated box girder through the vertical connecting bolts 10; the method can also be used for installing the steel box girder without the outer edge and the precast concrete cantilever type cast-in-place concrete flange plate template, and before the support frame is installed, a component for installing the vertical connecting bolt 10 needs to be welded on the steel box girder or a component for installing the vertical connecting bolt 10 needs to be embedded on the cast-in-place concrete box girder.
The utility model optimizes the construction process, reduces the construction procedures and improves the construction efficiency; and moreover, the labor intensity of constructors is reduced, the increase of labor cost is reduced, the lease of the scaffold is reduced, the construction period is shortened, and the construction cost is saved.
The above is only the concrete embodiments of the present invention, but the protection of the present invention is not limited to this, and all the equivalent changes or replacements proposed to the technical features of the present technical solution, which can be considered by those skilled in the art, are included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a cast-in-place concrete structure formwork erection bracing frame of steel concrete composite beam flange board, includes the support frame body, its characterized in that: the support frame body is of a right-angled triangle structure formed by welding a horizontal connecting rod, a vertical connecting rod and an oblique rod, the upper end of the vertical connecting rod is connected with a top plate of the steel structure box girder, the lower end of the vertical connecting rod is provided with an adjusting rod sleeve, an adjusting rod is arranged in the adjusting rod sleeve, and the vertical connecting rod is connected with a web plate of the steel structure box girder through the adjusting rod; and a template supporting beam is arranged above the horizontal connecting rod, and a template is arranged above the template supporting beam.
2. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 1, wherein: and reinforcing rods in a continuous triangular structure are arranged among the horizontal connecting rods, the vertical connecting rods and the inclined rods.
3. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 1, wherein: the top of the vertical connecting rod is provided with a connecting plate, and the vertical connecting rod is connected with the top plate of the steel structure box girder through the connecting plate; the bottom of vertical connecting rod transversely is provided with the regulation pole sleeve, and vertical connecting rod is connected with the regulation pole through adjusting the pole sleeve.
4. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 1, wherein: the adjusting rod comprises a screw rod and a clamping support, a steel base plate is arranged at one end of the screw rod, the other end of the screw rod is installed in an adjusting rod sleeve, two ends of the adjusting rod sleeve are respectively provided with a clamping support, and the adjusting rod sleeve is locked through the clamping supports at the two ends of the adjusting rod sleeve.
5. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 3, wherein: the upper end face of the connecting plate is welded with a vertical connecting bolt, and the connecting plate is connected with the top plate of the steel structure box girder through the vertical connecting bolt and is locked through a movable nut on the vertical connecting bolt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577084.6U CN212025941U (en) | 2020-04-17 | 2020-04-17 | Cast-in-place concrete structure formwork mounting support frame for steel-concrete composite beam flange plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020577084.6U CN212025941U (en) | 2020-04-17 | 2020-04-17 | Cast-in-place concrete structure formwork mounting support frame for steel-concrete composite beam flange plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508233A (en) * | 2022-03-28 | 2022-05-17 | 广西航务建设工程有限公司 | Construction method of adjustable bracket for inverted cone shell water tower construction |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508233A (en) * | 2022-03-28 | 2022-05-17 | 广西航务建设工程有限公司 | Construction method of adjustable bracket for inverted cone shell water tower construction |
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