CN211473392U - Truss type formwork support for overhanging cast-in-situ plate - Google Patents
Truss type formwork support for overhanging cast-in-situ plate Download PDFInfo
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- CN211473392U CN211473392U CN201921786981.1U CN201921786981U CN211473392U CN 211473392 U CN211473392 U CN 211473392U CN 201921786981 U CN201921786981 U CN 201921786981U CN 211473392 U CN211473392 U CN 211473392U
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- truss
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- cast
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- 238000009415 formwork Methods 0.000 title claims abstract description 28
- 238000011065 in-situ storage Methods 0.000 title description 3
- 238000010276 construction Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000002023 wood Substances 0.000 claims description 12
- 230000001154 acute effect Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 10
- 238000009432 framing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a truss-like formwork support for encorbelmenting cast-in-place board mainly is suitable for the cast-in-place floor system of encorbelmenting among the steel construction engineering, including truss chord member and quick detach connecting piece, characteristics are: the truss chord comprises an upper chord, a web member and a lower chord, the upper chord is horizontally fixed, the lower chord is fixed below the upper chord in an inclined mode, the web member is fixed between the upper chord and the lower chord, the quick-release connecting piece comprises a vertical plate and a connecting plate, the connecting plate is fixed on a vertical central line of the vertical plate, a threaded hole is formed in the upper portion of the vertical plate, and the upper chord and the lower chord of the truss chord are fixed with the quick-release connecting piece. The utility model discloses a bolt and structural steel beam connection, dismouting convenience fast not only can reduce the field operation work load, compares with traditional full hall scaffold and can also accelerate the construction progress, saves the steel quantity, reduce cost.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to a truss-like formwork support for encorbelmenting cast-in-place board mainly is suitable for the cast-in-place board system of encorbelmenting among the steel construction engineering.
Background
The full framing scaffold composed of steel pipes and fasteners is mainly adopted as a supporting system in a currently common framing scaffold system for bearing the weight and construction load of cast-in-place floors, templates and the like in the construction process, the full framing scaffold provides support for the construction of floors on the upper side by means of floors on the lower side, in steel structure engineering, main structural members such as beam columns and the like adopt the construction process of factory prefabrication and field assembly, but the floor structure still needs to be poured on site, hardening can be completed after a certain time, and the installation operation of the full framing scaffold on the lower side is needed after the hardening of the floors on the lower side is completed, so that the construction progress is greatly influenced, the advantage of high construction speed of the steel structure engineering is greatly weakened, and in addition, the full framing scaffold has the defects of large material consumption, low assembly and disassembly speed, inflexible use and the like.
Aiming at the problems, the date of the publication is 2017, 4, 5, and the publication number is CN206071039U, the truss-type formwork support comprises a truss chord member, wherein the truss chord member comprises a lower chord member, a web member, an upper chord member and a quick-release connecting member which are fixed with each other, two ends of the truss chord member are fixed on a beam column, so that the stress of the truss is direct, the material performance is fully exerted, the quick-release connecting member only needs to be connected by bolts, the self-weight disassembly is utilized, the labor intensity is greatly reduced, the material and the labor are saved, the construction progress is improved, the plate can move along with the beam, and the construction period is shortened. However, this solution is only suitable for an engineered floor system with beams and columns at both ends of the truss chord members to provide support, and is not suitable for an overhanging cast-in-place floor system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, the quick truss-like formwork support that is used for encorbelmenting cast-in-place board of dismouting.
The utility model provides a technical scheme that above-mentioned problem adopted is: this a truss-like formwork support for encorbelmenting cast-in-place board, including truss chord member and quick detach connecting piece, its characterized in that: the truss chord member is including the last chord member, web member and the lower chord member of fixing mutually, the right-hand member of last chord member and the right-hand member interconnect of lower chord member form acute angle contained angle, the web member is located between last chord member and the lower chord member, and the web member is the three-section after bending, and the both ends of web member are fixed with the bottom surface of last chord member, and the oblique right section bottom surface of web member and the upper surface laminating of lower chord member, the vertical section of web member and last chord member and lower chord member formation little triangle inside casing, the quick detach connecting piece comprises riser and connecting plate, the up end of connecting plate is the inclined plane, and the vertical center line position at the riser is connected perpendicularly to the connecting plate, the upper portion of riser is located the both sides of connecting plate and respectively is equipped with 1 bolt hole, the upper chord member horizontal fixation is on the quick detach connecting piece, the lower chord member slant is fixed on the quick detach connecting. The utility model discloses a be right triangle's truss chord member structure as the support piece that bears the load of encorbelmenting cast-in-place slab construction, make the atress of truss chord member concentrate on one side to be connected with the quick detach connecting piece in this side, fix the truss chord member on the structure girder steel through the quick detach connecting piece, the vertical pressure dispersion and the conversion that will receive, the bearing capacity of assurance structure. The construction that the upper chord horizontal fixation was for the cast-in-place board of encorbelmenting improves work plane, and the lower chord slant is upwards fixed in order to provide the diagonal bracing, and the web member mainly used that is located between upper chord and the lower chord improves the structural stability of truss chord, prevents structural deformation, and the connecting plate firmly is connected quick detach connecting piece and upper chord and lower chord, reduces the safe risk that the junction became invalid and leads to.
As preferred, the utility model discloses a chord member and quick detach connecting piece are fixed on the structure girder steel through the construction bolt that is located bolt hole department, and quick detach connecting piece's riser closely laminates with the web of structure girder steel. The bolt fastening's connected mode has the swift advantage of easy dismounting, and firm in connection degree also can obtain guaranteeing, utilizes the web laminating of riser and structural steel roof beam, and increase lifting surface area improves stability.
Preferably, the left end face of the upper chord and the lower chord of the utility model is provided with a groove. When the upper chord and the lower chord are connected with the quick-release connecting piece, the connecting plate is fixed in the grooves of the left end faces of the upper chord and the lower chord, and the connection firmness is further improved.
Preferably, the utility model discloses a truss chord member is made by steel tubular product, the quick detach connecting piece is made by the steel sheet. The steel has high strength and long service life, and can be repeatedly used.
As preferred, the utility model discloses a truss-like formwork support for encorbelmenting cast-in-place board cooperates with square timber, wooden model or aluminium mould when using, and when cooperating with square timber and wooden model, the square timber is arranged and is installed on the upper chord, and the wooden model is installed on the square timber, and the cast-in-place board of encorbelmenting is pour on the wooden model. The square wood, the wood mold and the cast-in-place plate are all adopted by the existing mature construction process, so that the construction quality can be effectively guaranteed, the labor efficiency of workers can be fully exerted, and the construction period can be shortened.
Compared with the prior art, the utility model, have following advantage and effect:
(1) the utility model discloses a truss chord member and quick detach connecting piece combination form truss-like formwork support, concentrate on one side with formwork support's atress to fix formwork support monolithic on the girder steel in this side, overall structure's stability is good, and the installation firmness is high, is applicable to encorbelmenting cast-in-place floor's pouring.
(2) The utility model discloses a quick detach connecting piece passes through bolted connection with the girder steel to utilize the dead weight to dismantle, easy dismounting can accomplish to realize that the board walks along with the roof beam, and the industrialization advantage of full play steel construction engineering simplifies the construction operation, shortens construction cycle.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic front view structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic top view of the left end of the upper chord according to the embodiment of the present invention.
Fig. 3 is a schematic view of a quick release connector according to an embodiment of the present invention.
Fig. 4 is a right side view schematic diagram of the quick release connector according to the embodiment of the present invention.
Description of reference numerals: 1. a truss chord; 2. a quick release connector; 3. an upper chord; 4. a web member; 5. a lower chord; 6. a vertical plate; 7. a connecting plate; 8. a web; 9. bolt holes; 10. installing a bolt; 11. a structural steel beam; 12. a groove; 13. square wood; 14. wood molding; 15. and (3) a cast-in-place plate.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 4, the truss-type formwork support for overhanging cast-in-situ slabs according to the present embodiment includes a truss chord member 1 and a quick release connector 2.
The truss chord member 1 of this embodiment includes reciprocal anchorage's last chord member 3, web member 4 and lower chord member 5, go up chord member 3, web member 4 and lower chord member 5 are made by square steel pipe, higher intensity has, the right-hand member of lower chord member 5 is the inclined plane, and form acute angle contained angle in inclined plane department and the right-hand member welding of last chord member 3, web member 4 is located between last chord member 3 and lower chord member 5, web member 4 is the three-section after bending, the both ends of web member 4 and the bottom surface welded fastening of last chord member 3, the oblique section bottom surface in right side of web member 4 and the top surface laminating and the welded fastening of lower chord member 5, the vertical section of web member 4 and last chord member 3 and the welding of lower chord member 5 form stable triangle-shaped inside casing, the whole firmness and the stability of truss chord member 1 have been improved by a wide margin.
The quick detach connecting piece 2 of this embodiment comprises riser 6 and connecting plate 7, and the vertical center line position at riser 6 is welded to connecting plate 7 perpendicular, and riser 6's upper portion still is equipped with 2 bolt holes 9, and 9 symmetric distribution in connecting plate 7's both sides of bolt hole.
Truss chord member 1 and quick detach connecting piece 2 of this embodiment adopt the welded mode to be connected, 3 horizontal welding of upper chord member are on quick detach connecting piece 2, welding is on quick detach connecting piece 2 in the lower chord member 5 slant, the left end center part of upper chord member 3 and lower chord member 5 has all processed vertical recess 12, the width of recess 12 is the same with the thickness of connecting plate 7, connecting plate 7 and recess 12 block and welding when fixed, can effectively restrict truss chord member 1 in the rotation of horizontal direction, improve the firmness of connection.
In the embodiment, the truss chord member 1 and the quick-release connecting member 2 are fixed on the structural steel beam 11 through the mounting bolts 10 positioned at the bolt holes 9, the vertical plates 6 of the quick-release connecting member 2 are tightly attached to the web plates 8 of the structural steel beam 11, corresponding holes are pre-processed on the structural steel beam 11, the bolt holes 9 are only required to correspond to the holes on the structural steel beam 11 during installation, then the mounting bolts 10 are screwed, when the upper part of the vertical plate 6 is tightly attached to the structural steel beam 11 through the mounting bolt 10, the lower part of the vertical plate 6 can be automatically firmly propped against the structural steel beam 11 under the actions of the self weight of the truss chord 1 and the load bearing above the truss chord, because in steel construction engineering, the girder steel is the prefab usually, fixes chord member 1 on the girder steel and can accelerate the construction progress by a wide margin, full play steel construction engineering's industrialization advantage shortens construction cycle, can also save the steel quantity, and reduce cost adopts bolted connection easy dismounting swift.
The embodiment is matched with a square timber 13 and a wood formwork 14 when in use, the truss chord member 1 is fixed on a structural steel beam 11 through a quick-release connecting piece 2 when in use, the square timber 13 is installed on the upper chord member 3, the wood formwork 14 is installed on the square timber 13, finally, a cantilever cast-in-place plate 15 is poured on the wood formwork 14, the square timber 13, the wood formwork 14 and the cast-in-place plate 15 are all adopted by the existing mature construction process, the construction quality can be effectively guaranteed, the labor efficiency of workers is fully exerted, and the construction period is further shortened.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a truss-like formwork support for encorbelmenting cast-in-place board, includes truss chord member (1) and quick detach connecting piece (2), its characterized in that: the truss chord member (1) comprises an upper chord member (3), a web member (4) and a lower chord member (5) which are fixed with each other, the right end of the upper chord member (3) and the right end of the lower chord member (5) are connected with each other to form an acute angle, the web member (4) is positioned between the upper chord member (3) and the lower chord member (5), the web member (4) is three-sectioned after being bent, the two ends of the web member (4) are fixed with the bottom surface of the upper chord member (3), the bottom surface of the right oblique section of the web member (4) is attached to the upper surface of the lower chord member (5), the vertical section of the web member (4) and the upper chord member (3) and the lower chord member (5) form a small triangular inner frame, the quick-release connecting member (2) is composed of a vertical plate (6) and a connecting plate (7), the upper end surface of the connecting plate (7) is an inclined plane, the connecting plate (7) is vertically connected to the central vertical position of the vertical plate (6), the upper part of the vertical plate (6) is positioned on two sides of the, the upper chord (3) is horizontally fixed on the quick-release connecting piece (2), and the lower chord (5) is obliquely fixed on the quick-release connecting piece (2) upwards.
2. A truss-like formwork support for overhanging cast-in-place slabs as claimed in claim 1, wherein: truss chord member (1) and quick detach connecting piece (2) are fixed on structure girder steel (11) through construction bolt (10) that are located bolt hole (9) department, and riser (6) of quick detach connecting piece (2) closely laminate with web (8) of structure girder steel (11).
3. A truss-like formwork support for overhanging cast-in-place slabs as claimed in claim 1, wherein: the left end faces of the upper chord (3) and the lower chord (5) are provided with grooves (12).
4. A truss-like formwork support for overhanging cast-in-place slabs as claimed in claim 1, wherein: the truss chord member (1) is made of steel pipes, and the quick-release connecting piece (2) is made of steel plates.
5. A truss-like formwork support for overhanging cast-in-place slabs as claimed in claim 1, wherein: the truss type formwork support for the overhanging cast-in-place slab is matched with square timbers (13), a wood formwork (14) or an aluminum formwork when in use, when the truss type formwork support is matched with the square timbers (13) and the wood formwork (14), the square timbers (13) are arranged and installed on the upper chord member (3), the wood formwork (14) is installed on the square timbers (13), and the overhanging cast-in-place slab (15) is poured on the wood formwork (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786981.1U CN211473392U (en) | 2019-10-23 | 2019-10-23 | Truss type formwork support for overhanging cast-in-situ plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786981.1U CN211473392U (en) | 2019-10-23 | 2019-10-23 | Truss type formwork support for overhanging cast-in-situ plate |
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| Publication Number | Publication Date |
|---|---|
| CN211473392U true CN211473392U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921786981.1U Active CN211473392U (en) | 2019-10-23 | 2019-10-23 | Truss type formwork support for overhanging cast-in-situ plate |
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| CN (1) | CN211473392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700579A (en) * | 2019-10-23 | 2020-01-17 | 浙江久筑建筑技术有限公司 | Truss-type formwork support for cantilevered cast-in-place slab and method of using the same |
| CN115652796A (en) * | 2022-11-02 | 2023-01-31 | 保利长大工程有限公司 | Cantilever supporting structure for assisting in pouring wing plate concrete of overline superposed beam |
-
2019
- 2019-10-23 CN CN201921786981.1U patent/CN211473392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700579A (en) * | 2019-10-23 | 2020-01-17 | 浙江久筑建筑技术有限公司 | Truss-type formwork support for cantilevered cast-in-place slab and method of using the same |
| CN115652796A (en) * | 2022-11-02 | 2023-01-31 | 保利长大工程有限公司 | Cantilever supporting structure for assisting in pouring wing plate concrete of overline superposed beam |
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