CN220790586U - Assembled formwork structure of cast-in-situ slab band of superimposed sheet - Google Patents
Assembled formwork structure of cast-in-situ slab band of superimposed sheet Download PDFInfo
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- CN220790586U CN220790586U CN202322276491.XU CN202322276491U CN220790586U CN 220790586 U CN220790586 U CN 220790586U CN 202322276491 U CN202322276491 U CN 202322276491U CN 220790586 U CN220790586 U CN 220790586U
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- 238000009415 formwork Methods 0.000 title claims abstract description 44
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 12
- 239000002436 steel type Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The utility model relates to an assembled formwork structure of a cast-in-situ slab band of a laminated slab, which comprises a plurality of paved laminated slabs, wherein grooves are formed between the laminated slabs, a pouring template is arranged right below the grooves, and the upper end face of the pouring template is abutted against the lower end face of the laminated slab; the lower end face of the laminated slab is abutted against a bearing bottom frame, the bearing bottom frame comprises a fixed frame in the middle and movable frames at two ends, the fixed frame comprises two groups of longitudinal bottom beams of channel steel type, a plurality of transverse bottom beams are welded and fixed between the longitudinal bottom beams, and a plurality of positioning holes are formed at two ends of the longitudinal bottom beams; the movable frame comprises longitudinal beams of a channel steel type, transverse beams are welded and fixed between the longitudinal beams, cutting bars are formed at one ends of the longitudinal beams, a plurality of connecting holes are formed in the cutting bars, and the cutting bars are inserted into the longitudinal beams and fixed on the longitudinal beams through bolt assemblies. The assembled formwork adopts the bearing bottom frame with a split structure, and the bearing bottom frame can be installed and detached step by step, so that the installation and detachment of the formwork cannot be influenced due to overlong length of the bearing bottom frame.
Description
Technical field:
the utility model relates to the technical field of formwork for laminated slab floor construction, in particular to an assembled formwork structure of a laminated slab cast-in-situ slab band.
The background technology is as follows:
the current fabricated laminated slab floor construction is formed by combining precast slabs and cast-in-situ reinforced concrete parts, a cast-in-situ belt is arranged between the laminated slab and the laminated slab for preventing and curing cracks, the cast-in-situ belt is carried out after the installation construction of the laminated slab is completed, the formwork structure of the cast-in-situ belt between the current laminated slabs is various and comprises a hanging formwork, the hanging formwork structure is relatively indirect and comprises a formwork arranged at the lower side of the laminated slab and covering a laminated slab groove, the lower side of the formwork is provided with a support bracket for supporting the formwork, a vertical screw rod is arranged on the support bracket, and the upper end of the screw rod passes through the formwork and is propped against the upper surface of the laminated slab or is hung on a building through other supports; the existing support bracket is generally of two channel steel or a fixed frame structure with longer length, and the installation and the disassembly of the support die are inconvenient due to the overlong length of the support bracket; therefore, the structure of the formwork needs to be improved to improve the efficiency of installing and detaching the formwork.
The utility model comprises the following steps:
the utility model aims at overcoming the defects of the prior art, and provides an assembled formwork structure of a laminated slab cast-in-situ slab band, wherein an assembled formwork adopts a bearing bottom frame with a split structure, and the bearing bottom frame can be installed and dismantled step by step, so that the installation and the disassembly of the formwork are not influenced due to the overlong length of the bearing bottom frame.
The assembled formwork structure of the cast-in-situ slab band of the laminated slab comprises a plurality of paved laminated slabs, grooves are formed between the laminated slabs, a pouring formwork is arranged right below the grooves, and the upper end face of the pouring formwork is abutted against the lower end face of the laminated slab; the lower end face of the laminated slab is abutted against a bearing bottom frame, the bearing bottom frame comprises a fixed frame in the middle and movable frames at two ends, the fixed frame comprises two groups of longitudinal bottom beams of channel steel type, a plurality of transverse bottom beams are welded and fixed between the longitudinal bottom beams, and a plurality of positioning holes are formed at two ends of the longitudinal bottom beams; the movable frame comprises longitudinal supporting beams of a channel steel type, transverse supporting beams are welded and fixed between the longitudinal supporting beams, cutting bars are formed at one end of each longitudinal supporting beam, a plurality of connecting holes are formed in the cutting bars, and the cutting bars are inserted into the longitudinal bottom beams and fixed on the longitudinal bottom beams through bolt assemblies;
the middle part of the longitudinal bottom beam and the middle part of the longitudinal supporting beam are inserted with vertical screws, the upper ends of the screws penetrate through the pouring templates, are inserted between the superimposed sheets and extend out of the superimposed sheets to be inserted with transverse top beams, the two ends of each transverse top beam are fixedly provided with supporting columns, and the lower ends of the supporting columns are pressed against the upper end surfaces of the superimposed sheets; the transverse top beams at two sides of the screw rod are respectively pressed against longitudinal steel pipes, the steel pipes are pressed against the mountain-shaped clamps, the upper ends of the screw rod penetrate through the mountain-shaped clamps and are connected with upper locking nuts in a threaded mode, the lower ends of the screw rod are connected with lower locking nuts in a threaded mode, and the lower locking nuts are respectively pressed against the lower end faces of the longitudinal bottom beams and the longitudinal supporting beams.
Preferably, the upper end face of the fixed frame on the bearing bottom frame is flush with the upper end face of the movable frame; the cutting on the movable frame is abutted against the inner bottom surface of the longitudinal beam.
Preferably, the connecting holes are linearly and uniformly distributed on the cutting of the longitudinal beam, the positioning holes are linearly and uniformly distributed on the longitudinal bottom beam, the distance between adjacent positioning holes is equal to the distance between adjacent connecting holes, the bolt assembly comprises a bolt and a nut, and the bolt on the bolt assembly is inserted into the connecting holes of the longitudinal beam and the positioning holes of the longitudinal bottom beam.
Preferably, the lower lock nuts are welded and fixed on the lower end faces of the longitudinal bottom beams and the longitudinal support beams respectively, and the lower end faces of the lower lock nuts are pressed against the union nut and are in threaded connection with the screw rod by the union nut.
Preferably, the screw is inserted with a sleeve, and the upper end of the sleeve extends out of the upper end face and the lower end of the superimposed sheet to be abutted against the pouring template.
Preferably, the support column is inserted with a sleeve seat, the lower end of the sleeve seat is formed with a base plate, the lower end of the support column is propped against the upper end face of the base plate, and the lower end face of the base plate is propped against the upper end face of the laminated plate.
Preferably, the longitudinal bottom beams and the longitudinal supporting beams on the bearing bottom frame are all located right below the laminated plates.
The utility model has the beneficial effects that:
the assembly type formwork adopts the bearing bottom frame with a split structure, and the bearing bottom frame can be installed and detached step by step, so that the installation and detachment of the formwork cannot be influenced due to overlong length of the bearing bottom frame; meanwhile, the assembled formwork is high in overall strength, and is provided with a corresponding protection structure, so that the assembled formwork can be recycled.
Description of the drawings:
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic perspective view of another corner of the present utility model;
FIG. 3 is a schematic perspective view of the present utility model;
fig. 4 is a schematic side view of the present utility model.
In the figure: 1. superimposed sheets; 2. pouring a template; 3. a carrying bottom frame; 31. a fixed frame; 311. a longitudinal bottom beam; 3111. positioning holes; 312. a transverse bottom beam; 32. a movable frame; 321. a longitudinally supported beam; 3211. cutting; 3212. a connection hole; 322. a transverse strut beam; 33. a bolt assembly; 142. a support plate; 143. an inner locking pin; 144. bolt through holes; 20. a door; 21. a main door body; 22. a side frame; 221. a mounting groove; 222. a positioning pin; 223. a connecting seat; 23. a locking piece; 231. a locking block; 232. a positioning groove; 233. a latch groove; 234. grooving; 24. a side cover plate; 241. avoiding the notch; 242. countersunk head jack; 25. and a seal.
The specific embodiment is as follows:
examples: as shown in fig. 1 to 4, an assembled formwork structure of a laminated slab cast-in-situ slab band comprises a plurality of laminated slabs 1 which are paved, grooves are formed between the laminated slabs 1, a pouring template 2 is arranged right below the grooves, and the upper end face of the pouring template 2 is abutted against the lower end face of the laminated slab 1; the lower end face of the laminated slab 1 is abutted against a bearing bottom frame 3, the bearing bottom frame 3 comprises a fixed frame 31 in the middle and movable frames 32 at two ends, the fixed frame 31 comprises two groups of longitudinal bottom beams 311 with groove steel type, a plurality of transverse bottom beams 312 are welded and fixed between the longitudinal bottom beams 311, and a plurality of positioning holes 3111 are formed at two ends of the longitudinal bottom beams 311; the movable frame 32 comprises a longitudinal beam 321 with a groove steel type, a transverse beam 322 is welded and fixed between the longitudinal beams 321, a cutting 3211 is formed at one end of the longitudinal beam 321, a plurality of connecting holes 3212 are formed on the cutting 3211, and the cutting 3211 is inserted into the longitudinal bottom beam 311 and fixed on the longitudinal bottom beam 311 through a bolt assembly 33;
the middle part of the longitudinal bottom beam 311 and the middle part of the longitudinal supporting beam 321 are inserted with vertical screw rods 4, the upper ends of the screw rods 4 penetrate through the pouring templates 2, are inserted between the superimposed sheets 1 and extend out of the superimposed sheets 1 to be inserted with transverse top beams 5, the two ends of each transverse top beam 5 are fixedly provided with supporting columns 6, and the lower ends of the supporting columns 6 are pressed against the upper end surfaces of the superimposed sheets 1; the transverse top beams 5 on two sides of the screw 4 are respectively pressed against longitudinal steel pipes 8, the steel pipes 8 are pressed against the mountain-shaped clamps 9, the upper ends of the screw 4 penetrate through the mountain-shaped clamps 9 and are in threaded connection with upper locking nuts 10, the lower ends of the screw 4 are in threaded connection with lower locking nuts 11, and the lower locking nuts 11 are respectively pressed against the lower end faces of the longitudinal bottom beams 311 and the longitudinal supporting beams 321.
The upper end face of the fixed frame 31 on the bearing bottom frame 3 is flush with the upper end face of the movable frame 32; the cutting 3211 on the movable frame 32 abuts against the inner bottom surface of the vertical supporting beam 321, that is, the upper end surfaces of the vertical bottom beam 311, the horizontal bottom beam 312, the vertical supporting beam 321 and the horizontal supporting beam 322 are flush, so that stable supporting of the pouring formwork 2 can be realized.
The connecting holes 3212 are linearly and uniformly distributed on the cutting 3211 of the longitudinal beam 321, the positioning holes 3111 are linearly and uniformly distributed on the longitudinal bottom beam 311, the distance between adjacent positioning holes 3111 is equal to the distance between adjacent connecting holes 3212, the bolt assembly 33 comprises a bolt and a nut, and the bolt on the bolt assembly 33 is inserted into the connecting holes 3212 of the longitudinal beam 321 and the positioning holes 3111 of the longitudinal bottom beam 311; the steel groove specification selected by the vertical support beam 321 is the same as the steel groove specification selected by the vertical bottom beam 311, and the cutting 3211 on the vertical support beam 321 can be made by cutting the baffles on the upper side and the lower side of the vertical support beam 321, and the rest is the cutting 3211 part.
The lower lock nut 11 is welded and fixed on the lower end surfaces of the longitudinal bottom beam 311 and the longitudinal support beam 321 respectively, the lower end surface of the lower lock nut 11 is pressed against the side nut and is connected to the screw 4 by the screw nut in a threaded manner, the screw 4 can be rotated by loosening the side nut, the height of the screw 4 is adjusted, and when the side nut is leaned against the lower lock nut 11, the screw 4 is fixed on the longitudinal bottom beam 311 and the longitudinal support beam 321, and the locking nut 10 is fastened conveniently.
The screw 4 on the plug bush have sleeve pipe 12, the up end of sleeve pipe 12 stretches out superimposed sheet 1, the lower extreme supports and leans on pouring template 2, sleeve pipe 12 protects screw 4, when convenient formwork structure dismantles, screw 4 can take out smoothly from the slab band of pouring to can not influence the reuse of formwork.
The support column 6 on the plug bush have sleeve seat 7, sleeve seat 7's lower extreme shaping has backing plate 71, the lower extreme of support column 6 supports and leans on the up end of backing plate 71, the lower terminal surface of backing plate 71 supports and leans on the up end of superimposed sheet 1, sleeve seat 7 can protect support column 6, the backing plate 71 can enlarge the pressure area simultaneously, can avoid support column 6 direct pressure to hold superimposed sheet 1 and lead to appearing the indent on the superimposed sheet 1.
The longitudinal bottom beams 311 and the longitudinal support beams 321 on the bearing bottom frame 3 are all positioned right below the laminated slab 1.
Working principle: the utility model is an assembled formwork structure of the cast-in-place slab band of the superimposed sheet, its technical point of the formwork is equipped with two points, one point is the structure to bear the underframe 3, its bear the underframe 3 includes the fixed frame 31 in the middle part and movable frame 32 at both ends, while supporting the formwork to install, can hoist the fixed frame 31 first, position and support the pouring form 2 in the middle part of the superimposed sheet 1 through the fixed frame 31 first, then carry on the assembly of the formwork of pouring form 2 and movable frame 32 part of front and back side of the superimposed sheet 1, thus can realize bear the underframe 3 and bear the weight of the stepwise installation of the pouring form 2, compare and will pour form 2 and bear the weight of the underframe 3 to install together, it is more convenient and more convenient; meanwhile, the disassembly is convenient, the length of the bearing bottom frame 3 is adjustable, and the bearing bottom frame is matched with all pouring templates 2;
the whole structure of the formwork is provided with the sleeve seat 7 which comprises the support columns 6, and meanwhile, indentation or pressing groove of the support columns 6 on the laminated slab 1 can be avoided; the sleeve 12 is arranged on the screw 4, and the sleeve 12 can prevent concrete from entering the threads of the screw 4, so that the screw 4 can be conveniently detached and reused.
The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.
Claims (7)
1. The assembled formwork structure of the laminated slab cast-in-situ slab band comprises a plurality of laminated slabs (1) which are paved, grooves are formed between the laminated slabs (1), a pouring formwork (2) is arranged right below the grooves, and the upper end face of the pouring formwork (2) is abutted against the lower end face of the laminated slab (1); the method is characterized in that: the lower end face of the laminated slab (1) is propped against a bearing bottom frame (3), the bearing bottom frame (3) comprises a fixed frame (31) at the middle part and movable frames (32) at two ends, the fixed frame (31) comprises two groups of longitudinal bottom beams (311) with groove steel, a plurality of transverse bottom beams (312) are welded and fixed between the longitudinal bottom beams (311), and a plurality of positioning holes (3111) are formed at two ends of the longitudinal bottom beams (311); the movable frame (32) comprises longitudinal support beams (321) of a channel steel type, transverse support beams (322) are welded and fixed between the longitudinal support beams (321), cutting (3211) is formed at one end of each longitudinal support beam (321), a plurality of connecting holes (3212) are formed in the cutting (3211), and the cutting (3211) is inserted into the longitudinal bottom beam (311) and fixed on the longitudinal bottom beam (311) through a bolt assembly (33);
the middle part of the longitudinal bottom beam (311) and the middle part of the longitudinal supporting beam (321) are inserted with vertical screw rods (4), the upper ends of the screw rods (4) penetrate through the pouring templates (2) to be inserted between the superimposed sheets (1) and extend out of the superimposed sheets (1) to be inserted with transverse top beams (5), the two ends of each transverse top beam (5) are fixedly provided with supporting columns (6), and the lower ends of the supporting columns (6) are pressed against the upper end surfaces of the superimposed sheets (1); longitudinal steel pipes (8) are respectively pressed on the transverse top beams (5) on two sides of the screw rod (4), the steel pipes (8) are pressed on the mountain-shaped clamp (9), the upper end of the screw rod (4) penetrates through the mountain-shaped clamp (9) and is connected with an upper lock nut (10) in a threaded mode, the lower end of the screw rod (4) is connected with a lower lock nut (11) in a threaded mode, and the lower lock nuts (11) are respectively pressed on the lower end faces of the longitudinal bottom beams (311) and the longitudinal supporting beams (321).
2. The fabricated formwork structure for a laminated cast-in-place slab band of claim 1, wherein: the upper end face of the fixed frame (31) on the bearing bottom frame (3) is flush with the upper end face of the movable frame (32); the cutting (3211) on the movable frame (32) is abutted against the inner bottom surface of the longitudinal beam (321).
3. The fabricated formwork structure for a laminated cast-in-place slab band of claim 2, wherein: the connecting holes (3212) are linearly and uniformly distributed on the cutting (3211) of the longitudinal beam (321), the positioning holes (3111) are linearly and uniformly distributed on the longitudinal bottom beam (311), the distance between adjacent positioning holes (3111) is equal to the distance between adjacent connecting holes (3212), the bolt assembly (33) comprises bolts and nuts, and the bolts on the bolt assembly (33) are inserted into the connecting holes (3212) of the longitudinal beam (321) and the positioning holes (3111) of the longitudinal bottom beam (311).
4. The fabricated formwork structure for a laminated cast-in-place slab band of claim 1, wherein: the lower lock nut (11) is welded and fixed on the lower end faces of the longitudinal bottom beam (311) and the longitudinal support beam (321) respectively, and the lower end face of the lower lock nut (11) is pressed against and leans against the nut and is connected onto the screw rod (4) in a threaded manner.
5. The fabricated formwork structure for a laminated cast-in-place slab band of claim 1, wherein: the screw rod (4) is inserted with a sleeve (12), and the upper end of the sleeve (12) extends out of the upper end face and the lower end of the superimposed sheet (1) to be abutted against the pouring template (2).
6. The fabricated formwork structure for a laminated cast-in-place slab band of claim 1, wherein: the support column (6) on the plug bush have sleeve seat (7), the lower extreme shaping of sleeve seat (7) has backing plate (71), the lower extreme of support column (6) supports and leans on the up end of backing plate (71), the lower terminal surface of backing plate (71) supports and leans on the up end of superimposed sheet (1).
7. The fabricated formwork structure for a laminated cast-in-place slab band of claim 1, wherein: and the longitudinal bottom beams (311) and the longitudinal support beams (321) on the bearing bottom frame (3) are all positioned right below the laminated slab (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322276491.XU CN220790586U (en) | 2023-08-24 | 2023-08-24 | Assembled formwork structure of cast-in-situ slab band of superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322276491.XU CN220790586U (en) | 2023-08-24 | 2023-08-24 | Assembled formwork structure of cast-in-situ slab band of superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220790586U true CN220790586U (en) | 2024-04-16 |
Family
ID=90655554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322276491.XU Active CN220790586U (en) | 2023-08-24 | 2023-08-24 | Assembled formwork structure of cast-in-situ slab band of superimposed sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220790586U (en) |
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2023
- 2023-08-24 CN CN202322276491.XU patent/CN220790586U/en active Active
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