CN214939312U - Pre-tensioning prestressed hollow slab umbrella support splicing type core mould - Google Patents
Pre-tensioning prestressed hollow slab umbrella support splicing type core mould Download PDFInfo
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- CN214939312U CN214939312U CN202120472910.5U CN202120472910U CN214939312U CN 214939312 U CN214939312 U CN 214939312U CN 202120472910 U CN202120472910 U CN 202120472910U CN 214939312 U CN214939312 U CN 214939312U
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- props
- pull rod
- umbrella props
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Abstract
The utility model discloses a pretensioning method prestressing force hollow plate umbrella props piece formula mandrel, including the plastic film, the steel pipe, umbrella props support I, the pull rod, the adapter, umbrella props support II, plastic film one side is equipped with a plurality of steel pipes, steel pipe one side is equipped with umbrella props support I, I one side of umbrella props support is equipped with umbrella props support II, umbrella props support I and umbrella props support II and all sets up on the pull rod, pull rod one side is equipped with the adapter, I symmetric connection of two sets of umbrella props supports is on the pull rod lateral wall, II symmetric connection of two sets of umbrella props supports are on the other both sides wall of pull rod, pull rod and adapter fixed connection, umbrella props support I is the same with II structures of umbrella props support. The utility model discloses a steel pipe combination is assembled back integral erection, has improved mandrel installation efficiency, has solved plastics mandrel installation slow, demolish difficult, the easy come-up, the problem that can not have enough to meet the need, supports through inside umbrella support, and outside packing area is binded, removes inside support through pull umbrella support formula support after the concrete shaping, removes the steel pipe drawing of patterns one by one again.
Description
Technical Field
The utility model belongs to the technical field of hollow slab mandrel template, in particular to pretension method prestressing force hollow slab umbrella props piece formula mandrel.
Background
In bridge construction or high-grade highways, a prestressed hollow slab beam structure is often adopted, the structure is simple, the spanning capability is high, and centralized prefabrication can be realized;
however, the following problems exist in the prior art: in the process of prefabricating the prestressed hollow slab, because the abdominal cavity of the hollow slab is relatively narrow, the core mould is generally constructed by adopting a rubber air bag or a shaping foam core mould, but because the air bag is of a flexible structure, in the process of prefabricating the prestressed hollow slab, because the abdominal cavity of the hollow slab is relatively narrow, workers cannot enter the supporting and dismounting mould plate and other factors to influence, the core mould is generally constructed by adopting the rubber air bag or the shaping foam core mould, and the shaping foam core mould is a disposable filling type mould plate, can not be recycled, has higher relative manufacturing cost and is easy to damage in the installation and vibration processes.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, a pretensioning method prestressing force hollow plate umbrella props piece formula mandrel is provided, assemble back integral erection through the steel pipe combination, the mandrel installation efficiency has been improved, it is slow to have solved the installation of plastics mandrel, demolish difficult, easy come-up, the problem that can not have enough to meet the need, support through inside umbrella props support, outside packing area is binded, remove inside the support through pull umbrella props formula support after the concrete forming, remove the steel pipe drawing of patterns one by one again, it is slow effectively to solve the mandrel drawing of patterns, the drawing of patterns is difficult, drawing of patterns damage concrete problem.
In order to realize the purpose, the utility model discloses a technical scheme is:
a pre-tensioning prestressed hollow slab umbrella brace piece type core mold comprises a plastic film, steel pipes, an umbrella brace support I, pull rods, an adapter and an umbrella brace support II, wherein a plurality of steel pipes are arranged on one side of the plastic film, the umbrella brace support I is arranged on one side of each steel pipe, the umbrella brace support II is arranged on one side of each umbrella brace support I, the umbrella brace supports I and the umbrella brace supports II are both arranged on the pull rods, the adapter is arranged on one side of each pull rod, the two groups of umbrella brace supports I are symmetrically connected to the side walls of the pull rods, the two groups of umbrella brace supports II are symmetrically connected to the other two side walls of the pull rods, the pull rods are fixedly connected with the adapters, and the umbrella brace supports I and the umbrella brace supports II are identical in structure;
when the pre-tensioning method prestressed hollow slab is constructed, the steel pipes are bundled and molded according to the design size to be used as a hollow slab core mold, plastic films are packaged outside the steel pipes, then the steel pipes are integrally hoisted for construction, the steel pipes are integrally assembled, the core mold is installed efficiently, in the core mold assembling process, the umbrella support supports are used for supporting, the outside packing belts are bundled, the inner supports are removed by pulling the umbrella support type supports after concrete is formed, and then the steel pipes are removed one by one for demolding.
Preferably, the umbrella stand support I is including supporting horizontal pole, vertical pole, diagonal bracing piece I, diagonal bracing piece II, swivelling joint axle, support the changeover portion, it respectively is equipped with a set of changeover portion that supports to support the horizontal pole both ends, supports horizontal pole one side and is equipped with diagonal bracing piece I, I one side of diagonal bracing piece is equipped with vertical pole, vertical pole one side is equipped with diagonal bracing piece II, vertical pole, diagonal bracing piece I, II opposite sides of diagonal bracing piece are equipped with the swivelling joint axle, through the I opening and shutting of swivelling joint axle control umbrella stand support, support horizontal pole and vertical pole, the triangle-shaped support frame is constituteed to diagonal bracing piece I and diagonal bracing piece II, and is more firm.
Compared with the prior art, the utility model beneficial effect shows:
the core mould is assembled by steel pipes, the supporting system is supported by the umbrella stand support, the disassembly is convenient, the concrete in the abdominal cavity of the hollow slab is not easy to scratch when the mould is disassembled, the umbrella stand type core mould can be repeatedly used, the manufacturing cost is lower compared with that of a fixed foam type core mould, and the core mould cannot be damaged in the installation or vibration process;
the core mold is integrally installed after being assembled through steel pipe combination, the core mold installation efficiency is improved, the problems that a plastic core mold is slow to install, difficult to disassemble, easy to float upwards and incapable of being circulated are solved, the concrete construction quality of the inner wall of a hollow slab is improved, in the core mold combination assembling process, the inner umbrella-strut support supports are used for supporting, external packing belts are bound, the internal supports are removed through the pull umbrella-strut type support after concrete forming, the steel pipe demolding is removed one by one, the problem that the core mold demolding is slow, demolding is difficult, the concrete is damaged by demolding is effectively solved, meanwhile, the steel pipe and the inner umbrella-strut support can be repeatedly used, the material circulation utilization rate is improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of an umbrella-supporting split core mold of a pre-tensioned prestressed hollow slab of the present invention;
FIG. 2 is a left side view of a pre-tensioned prestressed hollow slab umbrella bracing piece type core mold structure of the utility model;
FIG. 3 is a schematic view of the internal structure of a pre-tensioned prestressed hollow slab umbrella bracing piece core mold of the present invention;
FIG. 4 is a schematic structural view of a pre-tensioned prestressed hollow slab umbrella brace splicing type core mold umbrella brace bracket I of the utility model;
in the figure: 1. a plastic film; 2. a steel pipe; 3. an umbrella support bracket I; 31. a support rail; 32. a vertical rod; 33. an oblique supporting rod I; 34. an oblique supporting rod II; 35. rotating the connecting shaft; 36. supporting the transition section; 4. a pull rod; 5. an adapter; 6. and an umbrella support bracket II.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 4.
A pre-tensioning prestressed hollow slab umbrella brace piece type core mold comprises a plastic film 1, steel pipes 2, an umbrella brace support I3, a pull rod 4, an adapter 5 and an umbrella brace support II 6, wherein a plurality of steel pipes 2 are arranged on one side of the plastic film 1, the umbrella brace support I3 is arranged on one side of each steel pipe 2, the umbrella brace support II 6 is arranged on one side of each umbrella brace support I3, the umbrella brace supports I3 and the umbrella brace supports II 6 are both arranged on the pull rod 4, the adapter 5 is arranged on one side of the pull rod 4, the two groups of umbrella brace supports I3 are symmetrically connected to the side walls of the pull rod 4, the two groups of umbrella brace supports II 6 are symmetrically connected to the other two side walls of the pull rod 4, the pull rod 4 is fixedly connected with the adapter 5, and the umbrella brace supports I3 and the umbrella brace supports II 6 are identical in structure;
when the pre-tensioning method prestressed hollow slab is constructed, the steel pipes 2 are bundled and formed according to the design size to be used as a hollow slab core mold, a plastic film 1 is packaged outside the hollow slab core mold, then the hollow slab core mold is integrally hoisted for construction, the steel pipes 2 are integrally installed after being assembled through combination, the core mold installation efficiency is improved, in the core mold combination and assembly process, the steel pipes 2 are removed one by one and demolded through supporting the umbrella support supports through pulling the umbrella support type supports after concrete is formed and binding the outer packing belts.
Umbrella stand I3 is including supporting horizontal pole 31, vertical pole 32, diagonal bracing piece I33, diagonal bracing piece II 34, swivelling joint axle 35, support changeover portion 36, it respectively is equipped with a set of changeover portion 36 that supports to support horizontal pole 31 both ends, it is equipped with diagonal bracing piece I33 to support horizontal pole 31 one side, diagonal bracing piece I33 one side is equipped with vertical pole 32, vertical pole 32 one side is equipped with diagonal bracing piece II 34, vertical pole 32, diagonal bracing piece I33, diagonal bracing piece II 34 opposite side is equipped with swivelling joint axle 35, control umbrella stand I3 through swivelling joint axle 35 and open and shut, support horizontal pole 31 and vertical pole 32, triangular support frame is constituteed to diagonal bracing piece I33 and diagonal bracing piece II 34, it is more firm.
A pre-tensioning prestressed hollow slab umbrella support splicing type core mold comprises the following working processes:
when the pre-tensioning method prestressed hollow slab is constructed, the steel pipes are bundled and molded according to the design size to be used as a hollow slab core mold, plastic films are packaged outside the steel pipes, then the steel pipes are integrally hoisted for construction, the steel pipes are integrally assembled, the core mold is installed efficiently, in the core mold assembling process, the umbrella support supports are used for supporting, the outside packing belts are bundled, the inner supports are removed by pulling the umbrella support type supports after concrete is formed, and then the steel pipes are removed one by one for demolding.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (2)
1. The utility model provides a pretensioning method prestressing force hollow plate umbrella props piece formula mandrel, includes plastic film, steel pipe, umbrella props support I, pull rod, adapter, umbrella props support II, its characterized in that plastic film one side is equipped with a plurality of steel pipes, and steel pipe one side is equipped with umbrella props support I, and I one side of umbrella props support is equipped with umbrella props support II, umbrella props support I and umbrella props support II and all sets up on the pull rod, and pull rod one side is equipped with the adapter, and I symmetric connection of two sets of umbrella props supports is on the pull rod lateral wall, and II symmetric connection of two sets of umbrella props supports are on the other both sides wall of pull rod, pull rod and adapter fixed connection, and umbrella props support I is the same with II structures of umbrella props support.
2. The pre-tensioned pre-stressed hollow slab umbrella brace piece core mold as claimed in claim 1, wherein the umbrella brace support I comprises a support cross bar, a vertical bar, an oblique support bar I, an oblique support bar II, a rotation connecting shaft, and a support transition section, wherein a set of support transition sections are respectively arranged at two ends of the support cross bar, the oblique support bar I is arranged at one side of the support cross bar, the vertical bar is arranged at one side of the oblique support bar I, the oblique support bar II is arranged at one side of the vertical bar, the rotation connecting shaft is arranged at the other side of the vertical bar, the oblique support bar I and the oblique support bar II, and the support cross bar, the vertical bar, the oblique support bar I and the oblique support bar II form a triangular support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472910.5U CN214939312U (en) | 2021-03-04 | 2021-03-04 | Pre-tensioning prestressed hollow slab umbrella support splicing type core mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472910.5U CN214939312U (en) | 2021-03-04 | 2021-03-04 | Pre-tensioning prestressed hollow slab umbrella support splicing type core mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214939312U true CN214939312U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120472910.5U Active CN214939312U (en) | 2021-03-04 | 2021-03-04 | Pre-tensioning prestressed hollow slab umbrella support splicing type core mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214939312U (en) |
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2021
- 2021-03-04 CN CN202120472910.5U patent/CN214939312U/en active Active
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