CN220226165U - Cantilever formwork system - Google Patents
Cantilever formwork system Download PDFInfo
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- CN220226165U CN220226165U CN202320505995.1U CN202320505995U CN220226165U CN 220226165 U CN220226165 U CN 220226165U CN 202320505995 U CN202320505995 U CN 202320505995U CN 220226165 U CN220226165 U CN 220226165U
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- 238000009415 formwork Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 137
- 239000010959 steel Substances 0.000 claims abstract description 137
- 238000004873 anchoring Methods 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 238000009434 installation Methods 0.000 description 10
- 239000011150 reinforced concrete Substances 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an overhanging formwork system, which comprises an overhanging assembly and a steel pipe formwork assembly, wherein the overhanging assembly comprises a horizontal steel beam, an inclined supporting beam and an embedded structural member, the horizontal steel beam is fixedly arranged on the upper floor slab structure surface, the embedded structural member is embedded on the lower floor slab structure surface, one end of the horizontal steel beam extends outwards from the upper floor slab structure surface, the upper end of the inclined supporting beam is fixedly connected with the horizontal steel beam, a plurality of steel coupling beams which are arranged in parallel are fixedly arranged on the upper surface of an outwards extending part of the horizontal steel beam, the bearing capacity of the horizontal steel beam is increased by arranging the inclined supporting beam, so that the overhanging assembly is more firmly and stably arranged, steel coupling beams and positioning steel bars are arranged on the upper side of the overhanging assembly, and when the steel pipe formwork assembly is built, the intervals of the steel coupling beams which are longitudinally and parallelly arranged are in multiple rows can be adjusted according to actual needs, so that the upright rods which fill a hall formwork can be fixed on the steel coupling beams, the whole stability of the steel pipe formwork assembly is ensured, and convenience is provided for construction.
Description
Technical Field
The utility model relates to the technical field of cantilever formwork frames, in particular to a cantilever formwork system.
Background
With the continuous development of the building industry, reinforced concrete overhanging structures are more and more, and when the elevation of the overhanging structures is relatively low, a floor type full-hall support frame system can be adopted for the formwork; the floor-standing full-hall support system will not be suitable when the elevation is high. At the moment, an overhanging I-steel support frame system can be adopted, the traditional overhanging I-steel structure is smaller in stress and is generally applicable to overhanging scaffolds, and the traditional overhanging I-steel structure cannot be applicable to a formwork support frame system of a reinforced concrete overhanging structure.
In the prior art, the patent application number is 2015174757. X, and the disclosed cantilever steel support die frame for a high-altitude cantilever structure comprises a cantilever steel beam with an I-shaped section, a concrete structural member, a support die frame and a die plate, wherein the concrete structural member is in abutting press fit with the bottom end of the cantilever steel beam along the vertical direction, the support die frame is arranged on the cantilever steel beam, and the die plate is paved between the support die frames; the utility model fully utilizes the original structural conditions and the bearing capacity of the section steel, the cantilever section steel beam is installed on the next layer of the high-altitude cantilever member in a cantilever outer frame mode, a steel pipe support frame and an installation template are erected on the cantilever section steel beam, and a high-altitude cantilever reinforced concrete structure is constructed.
The support frame of reinforced concrete cantilever structure has some defects in the in-service use process, because the cantilever type steel beams are distributed and arranged, the space is limited by the installation position of the main structure, when the full steel pipe is arranged on the upper part of the support frame, the bottom end of the steel pipe is inconvenient to fall on the cantilever type steel beams, inconvenience is brought to the construction of the steel pipe support frame, and if the whole structure of the cantilever support frame is not stable enough, great potential safety hazards exist.
Disclosure of Invention
The utility model aims to provide an overhanging formwork system for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the cantilever support frame system comprises a cantilever assembly and a steel pipe support frame assembly, wherein the cantilever assembly comprises a horizontal steel beam, an inclined supporting beam and an embedded structural member, the horizontal steel beam is fixedly arranged on an upper floor slab structure surface, the embedded structural member is embedded on a lower floor slab structure surface, one end of the horizontal steel beam extends out of the upper floor slab structure surface, the upper end of the inclined supporting beam is fixedly connected with an extension part of the horizontal steel beam, and the bottom end of the inclined supporting beam is fixedly connected with the pre-embedded structural member;
the upper surface fixed mounting of the outside extension of horizontal shaped steel roof beam has a plurality of parallel arrangement's steel yoke, and the upper surface fixed mounting of steel yoke has a plurality of spacer bars, steel pipe formwork assembly includes the pole setting, the bottom of pole setting can be overlapped and establish the surface of spacer bar.
Preferably, the embedded structural member comprises an embedded plate, a pull rod and an anchoring steel plate, wherein the embedded plate, the pull rod and the anchoring steel plate are fixedly connected with each other, the embedded plate and the pull rod are embedded in the lower floor slab structure, and the anchoring steel plate is exposed outside or is flush with the surface of the lower floor slab structure.
Preferably, the horizontal steel beam is fixedly arranged on the upper floor slab structure surface through expansion bolts, a connecting plate is welded on the lower surface of the outward extending part of the horizontal steel beam, and two ends of the diagonal bracing beam are welded and fixed with the connecting plate and the anchoring steel plate respectively through single-sided fillet welds.
Preferably, the horizontal steel girder, the inclined bracing girder and the steel yoke girder are all I-shaped steel girders.
Preferably, the steel pipe formwork assembly further comprises a horizontal rod, a pair of pull rods, a scissor brace and a jacking, wherein the jacking is arranged at the top end of the vertical rod, a steel pipe is arranged on the upper portion of the jacking, a wood beam is arranged on the surface of the steel pipe, a roof structure formwork is fixedly arranged on the upper surface of the wood beam, the bottom end of the vertical rod of the cantilever structure part is arranged at a positioning steel bar, and the bottom end of the vertical rod of the non-cantilever structure part is arranged on the lower floor structure surface.
Preferably, the distance between the adjacent steel yoke beams and the adjacent positioning steel bars is determined according to the requirement of the distance between the vertical rods when the steel pipe support module is built in the full hall.
Advantageous effects
The utility model provides an overhanging formwork system, which has the following beneficial effects:
1. this cantilever formwork system increases the bearing capacity of horizontal shaped steel roof beam through setting up the bracing beam, makes the installation of cantilever subassembly more firm, stable to arrange steel yoke, spacer bar above that the upside, when building steel pipe formwork subassembly, the steel yoke of the longitudinal of multirow, parallel arrangement, its interval can be adjusted according to actual need, makes the pole setting of filling the hall formwork can be fixed on the steel yoke with the foot, guarantees the holistic stability of steel pipe formwork subassembly, provides convenience for the construction.
2. This cantilever formwork system, through setting up pre-buried structure, when floor structure reinforcing bar is binded, installation pre-buried structure, after the structural layer was pour, anchor steel sheet is fixed as an organic wholely with the structural layer, makes things convenient for the installation and the welding of bracing roof beam bottom to one side, need not later stage punch and destroy the structural layer, provides sufficient holding power for its installation, and it is more convenient to use and safe and reliable.
Drawings
FIG. 1 is a schematic view of the present utility model in a front cross-section;
FIG. 2 is a schematic illustration of the front cross-section of the cantilever assembly of the present utility model;
FIG. 3 is a schematic illustration of a front cross-sectional structure of the pre-buried structure of the present utility model;
fig. 4 is an enlarged partial schematic view of the horizontal steel girder according to the present utility model.
In the figure: the building structure comprises a steel pipe formwork component 1, a horizontal steel beam 2, an inclined strut 3, a pre-buried structural component 4, an upper floor structure surface 5, a lower floor structure surface 6, a steel yoke 7, a positioning steel bar 8, a vertical rod 9, a buried plate 10, a pull rod 11, an anchoring steel plate 12, a connecting plate 13, a horizontal rod 14 and a roof structure template 15.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a cantilever formwork system, including cantilever subassembly and steel pipe formwork subassembly 1, the subassembly of encorbelmenting includes horizontal shaped steel roof beam 2, bracing roof beam 3 and pre-buried structure 4, horizontal shaped steel roof beam 2 fixed mounting is on upper floor's slab structure face 5, pre-buried structure 4 is pre-buried on lower floor's slab structure face 6, pre-buried structure is including burying board 10, pull rod 11 and anchor steel sheet 12, bury board 10, pull rod 11 and anchor steel sheet 12 three fixed connection each other, bury board 10 and pull rod 11 and all bury inside lower floor's slab structure face 6, anchor steel sheet 12 exposes outside or flush with lower floor's slab structure face 6 surface, see FIG. 3.
As shown in fig. 2, one end of the horizontal steel beam 2 extends outwards to form an upper floor slab structure 5, the upper end of the diagonal bracing beam 3 is fixedly connected with the extending part of the horizontal steel beam 2, and the bottom end of the diagonal bracing beam 3 is fixedly connected with a pre-embedded structural member 4; specifically, horizontal shaped steel roof beam 2 passes through expansion bolts fixed mounting on upper strata floor slab structure face 5, the lower surface welding of the outside extension of horizontal shaped steel roof beam 2 has connecting plate 13, the both ends of bracing roof beam 3 adopt single face fillet weld welded fastening with connecting plate 13 and anchor steel sheet 12 respectively, through setting up pre-buried structure 4, when floor slab structure reinforcing bar is binded, the pre-buried structure 4 of installation, after the structural layer is pour, anchor steel sheet 12 is fixed as an organic wholely with the structural layer, make things convenient for the installation and the welding of bracing roof beam 3 bottom, do not need later stage punching and destroy the structural layer, provide sufficient holding power for its installation, it is more convenient to use and safe and reliable.
The upper surface fixed mounting of the outside extension of horizontal shaped steel roof beam 2 has a plurality of parallel arrangement's steel yoke beams 7, and horizontal shaped steel roof beam 2, bracing beam 3 and steel yoke beam 7 all adopt I style of calligraphy girder steel, and the upper surface fixed mounting of steel yoke beam 7 has a plurality of locating steel bars 8, see fig. 4.
The steel pipe formwork assembly 1 comprises a vertical rod 9, a horizontal rod 14, a pair of pull rods, a scissor support and a jacking, wherein the bottom end of the vertical rod 9 can be sleeved on the surface of a positioning steel bar 8, the jacking is installed at the top end of the vertical rod, a steel pipe is installed on the upper portion of the jacking, a wood square is installed on the surface of the steel pipe, a roof structure formwork 15 is fixedly installed on the upper surface of the wood square, the prior art is not described in detail herein, the bottom end of the vertical rod 9 of an overhanging structure part is installed at the positioning steel bar 8, and the bottom end of the vertical rod 9 of a non-overhanging structure part is placed on the lower floor structure surface 6.
In this embodiment, the distance between the adjacent steel yoke 7 and the adjacent positioning steel bar 8 is determined according to the requirement of the distance between the vertical bars 9 when the steel tube formwork assembly is erected in the full hall.
Specifically, as shown in fig. 1, the reinforced concrete roof structure is an inclined roof structure, the cornice cavity and the drainage ditch structure are overhanging by 2000mm, all the vertical rods 9, the horizontal rods 14 of the steel pipe formwork assembly 1, the horizontal rods of the opposite pull rods, the scissors support and the protection vertical rods 9 are steel pipes with the diameter of 48mm, the formwork vertical rods 9 of the overhanging structure are placed on the steel yoke 7, and the lower parts of the vertical rods 9 are positioned by adopting positioning steel bars 8.
Five steel yoke beams 7 are altogether, and each steel yoke beam 7 central line is 200mm, 800mm, 1100mm, 1400mm, 2200mm respectively from inside to outside apart from the roof beam limit, and steel yoke beam 7 adopts single face fillet weld with horizontal shaped steel roof beam 2, and the welding seam is high 6mm, and cantilever structure adopts 6 rows of pole setting 9 to support, and every row of pole setting 9 interval is unanimous with spacer bar 8, carries out full-hall support through steel pipe formwork assembly 1 to roofing structure template 15, and it is to be noted that, concrete setting is according to the live decision of specific engineering, because full-hall support adopts current mature technique, need not be repeated here.
This cantilever formwork system increases the bearing capacity of horizontal shaped steel roof beam 2 through setting up bracing beam 3, makes the installation of cantilever subassembly more firm, stable to arrange steel yoke 7, spacer bar 8 above that, when building steel pipe formwork assembly 1, the steel yoke 7 of the longitudinal, parallel arrangement of multirow, its interval can be adjusted according to actual need, makes the pole setting 9 of full hall formwork can be fixed on steel yoke 7 with the foot, guarantees the holistic stability of steel pipe formwork assembly 1, provides convenience for the construction.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cantilever formwork system, includes cantilever subassembly and steel pipe formwork subassembly (1), its characterized in that: the cantilever assembly comprises a horizontal steel beam (2), an inclined supporting beam (3) and an embedded structural member (4), wherein the horizontal steel beam (2) is fixedly arranged on an upper floor slab structure surface (5), the embedded structural member (4) is embedded on a lower floor slab structure surface (6), one end of the horizontal steel beam (2) extends out of the upper floor slab structure surface (5), the upper end of the inclined supporting beam (3) is fixedly connected with an extension part of the horizontal steel beam (2), and the bottom end of the inclined supporting beam (3) is fixedly connected with the embedded structural member (4);
the steel yoke beam (7) of a plurality of parallel arrangement is fixedly arranged on the upper surface of the outward extension part of the horizontal steel beam (2), a plurality of locating steel bars (8) are fixedly arranged on the upper surface of the steel yoke beam (7), the steel tube formwork assembly (1) comprises a vertical rod (9), and the bottom end of the vertical rod (9) can be sleeved on the surface of the locating steel bars (8).
2. A cantilever formwork system according to claim 1, wherein: the embedded structural member (4) comprises an embedded plate (10), a pull rod (11) and an anchoring steel plate (12), wherein the embedded plate (10), the pull rod (11) and the anchoring steel plate (12) are fixedly connected with each other, the embedded plate (10) and the pull rod (11) are embedded in the lower floor slab structure (6), and the anchoring steel plate (12) is exposed outside or flush with the surface of the lower floor slab structure (6).
3. A cantilever formwork system according to claim 2, wherein: the horizontal steel beam (2) is fixedly arranged on the upper floor slab structure surface (5) through expansion bolts, a connecting plate (13) is welded on the lower surface of the outward extending part of the horizontal steel beam (2), and two ends of the diagonal bracing beam (3) are welded and fixed with the connecting plate (13) and the anchoring steel plate (12) through single-sided fillet welds respectively.
4. A cantilever formwork system according to claim 3, wherein: the horizontal steel girder (2), the inclined bracing girder (3) and the steel yoke (7) are all I-shaped steel girders.
5. A cantilever formwork system according to any one of claims 1-4, wherein: the steel pipe formwork assembly (1) further comprises a horizontal rod (14), a pair of pull rods, a pair of scissors support and a jacking, wherein the jacking is arranged at the top end of the vertical rod, a steel pipe is arranged on the upper portion of the jacking, a wood beam is arranged on the surface of the steel pipe, a roof structure formwork (15) is fixedly arranged on the upper surface of the wood beam, the bottom end of the vertical rod (9) of the cantilever structure part is arranged at the positioning steel bar (8), and the bottom end of the vertical rod (9) of the non-cantilever structure part is arranged on the lower floor structure surface (6).
6. The cantilever formwork system as in claim 5, wherein: according to the requirement of the space between the vertical rods (9) when the steel pipe formwork assembly is built in the full hall, the space between the adjacent steel yoke (7) and the adjacent positioning steel bars (8) is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505995.1U CN220226165U (en) | 2023-03-16 | 2023-03-16 | Cantilever formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505995.1U CN220226165U (en) | 2023-03-16 | 2023-03-16 | Cantilever formwork system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226165U true CN220226165U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320505995.1U Active CN220226165U (en) | 2023-03-16 | 2023-03-16 | Cantilever formwork system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226165U (en) |
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- 2023-03-16 CN CN202320505995.1U patent/CN220226165U/en active Active
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