CN219648607U - Reserved steel bar platform of precast box girder both sides panel - Google Patents
Reserved steel bar platform of precast box girder both sides panel Download PDFInfo
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- CN219648607U CN219648607U CN202223244040.XU CN202223244040U CN219648607U CN 219648607 U CN219648607 U CN 219648607U CN 202223244040 U CN202223244040 U CN 202223244040U CN 219648607 U CN219648607 U CN 219648607U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 206
- 239000010959 steel Substances 0.000 title claims abstract description 206
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 210000004379 membrane Anatomy 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 210000002219 extraembryonic membrane Anatomy 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model discloses a reserved steel bar platform for panels on two sides of a prefabricated box girder, which comprises a supporting structure, positioning components, steel bar fixing assemblies and connecting pieces, wherein the supporting structure is arranged on the outer side of a multi-collapse steel bar fetal membrane frame, the positioning components are longitudinally arranged along the marks of the supporting structure when the position marks of steel bars are positioned and exposed, the steel bar fixing assemblies are arranged on the upper end faces of the positioning components, and the connecting pieces are removed after binding of the steel bars is completed and hung into a die of the prefabricated box girder. According to the utility model, the shuttle plate is positioned on the tire membrane frame through the positioning component and the connecting piece, so that the time is saved for the whole binding and mold entering of the steel bars, the working efficiency is improved, the platform is convenient to assemble and disassemble, has strong flexibility and high practicability, can be repeatedly used, is beneficial to saving the cost, can also meet the requirement of linear box girders with various exposed steel bars with different sizes, and provides references for positioning the exposed steel bars for the curved girders in the future.
Description
Technical Field
The utility model belongs to the field of manufacturing of concrete prefabricated components, and particularly relates to a reserved steel bar platform for panels on two sides of a prefabricated box girder.
Background
Along with the development of building industrialization, various assembly type municipal structural members are increasingly transferred to a large-scale production workshop for prefabrication production. The assembly type structure has higher and higher requirements on field assembly of finished products, and the assembly type structure has the advantage that the finished products of the components can be well guaranteed to achieve perfect fit degree on the field when the factory prefabricated components are produced. When the top plate of the existing reinforced concrete box girder is prefabricated, single finished products of the prefabricated box girder are assembled on site, high requirements are provided for the exposed steel bars on two sides of the box girder, and the steel bars are positioned and arranged firstly, but in actual operation, the steel bars are easily positioned and arranged inaccurately to cause uneven intervals of the steel bars, so that the bearing performance of the box girder is affected, and the single finished products can be integrally formed only by taking good consideration of the early stage of production.
In the prior art, chinese patent 201911273854.6 discloses a prefabricated box girder top plate reinforcement binding bracket, wherein tooth-shaped steel plates are arranged on 2 groups of opposite sides of a rectangular frame, and a plurality of saw teeth are sequentially and equidistantly arranged on the upper part of each tooth-shaped steel plate along the length direction of the steel plate; the support is used for binding the steel bars of the top plate of the hollow box girder, longitudinal and transverse steel bars can be installed according to toothed steel plates, and after the installation is completed and after the steel bars of the web plate of the box girder are completed, the steel bar framework is integrally hoisted to the prefabricated pedestal.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the reserved steel bar platform for the panels on the two sides of the prefabricated box girder, which not only meets the requirement of the linear box girders with exposed steel bars in different sizes, but also provides references for positioning the exposed steel bars for the curved girders in the future, so that the method can be repeatedly used, and is convenient for saving the cost.
In order to achieve the above object, the present utility model provides the following technical solutions:
the reserved steel bar platform comprises a supporting structure, positioning components, steel bar fixing assemblies and connecting pieces, wherein the supporting structure is longitudinally arranged on a multi-collapse steel bar tire membrane frame along two sides of the precast box girder panel respectively, positions of exposed steel bars are positioned according to the section size on the box girder panel and marked on the supporting structure, the positioning components are longitudinally arranged along the marks of the supporting structure and fixedly connected with the supporting structure, the upper end faces of the positioning components are provided with the steel bar fixing assemblies, steel bar binding structures are arranged in the steel bar fixing assemblies, and the connecting pieces are removed after steel bar binding is completed and hung into a die of the box girder;
the support structure comprises a first channel steel and a second channel steel, wherein the first channel steel is two back-to-back channel steels which are parallel to each other, one end of each of the two channel steels which are parallel to each other is vertically welded with the second channel steel, the bottom of the second channel steel is fixedly vertical to the ground, and the other end of each of the two channel steels which are parallel to each other is connected with a reinforcing steel bar tire membrane frame;
the positioning component comprises a third channel steel, the third channel steel is vertically and reversely buckled and placed on the upper end face of the first channel steel mark along the first channel steel, a fixing screw is welded at the bottom of the third channel steel, and when the third channel steel is placed in a linear mode, the fixing screw penetrates through the first channel steel, and the fixing screw is screwed through a gasket and a nut to be fastened;
the steel bar fixing assembly comprises a shuttle plate, an L-shaped square tube and a rectangular tube, the shuttle plate is placed at the upper end of a third channel steel, the L-shaped square tube limiting the shuttle plate is welded on the outer side of the third channel steel, the L-shaped square tube is welded at intervals, and the rectangular tube is longitudinally lapped on the L-shaped square tube at intervals;
the connecting piece comprises a C-shaped hook, one end of the C-shaped hook is connected with one outwards side of the rib plate of the shuttle plate in a clamping mode, and the other end of the C-shaped hook is connected with the third channel steel.
Further the preferred scheme, the shuttle board includes diaphragm, erects version, gusset and cover plate strip, diaphragm and erects the version and be L type welding, the gusset welds inside diaphragm and erects the version, the bottom welding of gusset is in on the diaphragm, the side of gusset is fixed on the riser, be equipped with a plurality of U type grooves on the riser, the reinforcing bar passes U type groove, cover plate strip pressure is established the upper end of shuttle board.
Further in the preferred scheme, the length of the fixed screw rod is greater than the thickness of the first channel steel, and the diameter of the fixed screw rod is 20mm and the length of the fixed screw rod is 150mm.
Further in the preferred scheme, the material of the first channel steel is 6.3# channel steel, the material of the second channel steel is 8# channel steel, and the material of the third channel steel is 14# channel steel.
In the preferable scheme, the L-shaped square tubes of the steel bar fixing component are two square tubes with the length of 30x40mm and connected in a welded mode.
Further according to the preferred scheme, the reserved steel bar platforms of the two side panels of the prefabricated box girder are further provided with steel bar binding structures, the steel bar binding structures comprise positioning transverse steel bars and longitudinal steel bars, the longitudinal steel bars are arranged on the inner sides of the third channel steel and are in point connection with the third channel steel, and the positioning transverse steel bars are fixedly connected to the longitudinal steel bars along the longitudinal direction.
The reserved steel bar platforms of the panels on the two sides of the precast box girder, disclosed by the utility model, have the following beneficial effects in the practice of construction in the field of manufacturing of concrete precast components through use:
(1) According to the reserved steel bar platform for the panels on the two sides of the prefabricated box girder, the shuttle plate is positioned on the tire membrane frame through the positioning component and the connecting piece, so that time is saved for binding and entering the die for the whole steel bar, and the working efficiency is improved.
(2) The reserved steel bar platform for the panels on the two sides of the prefabricated box girder is convenient to assemble and disassemble, high in flexibility, high in practicality, reusable and beneficial to saving cost.
(3) The reserved steel bar platform for the panels on the two sides of the prefabricated box girder can meet the requirement of linear box girders with exposed steel bars in different sizes, and provides references for positioning the exposed steel bars for the curved girders in the future.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a reinforcement reservation device for two side panels of a prefabricated box girder. The reference numerals in the figures are: 1-first channel steel, 2-second channel steel, 3-third channel steel, 4-L-shaped square pipes 4, 5-C-shaped hooks, 6-gaskets, 7-screws, 8-nuts and 9-shuttle plates.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, a platform is reserved to reinforcing bar of prefabricated box girder panel both sides, including bearing structure, locating part, reinforcing bar fixed subassembly and connecting piece, bearing structure includes first channel-section steel 1, second channel-section steel 2, first channel-section steel 1 is two back-to-back's channel-section steels that are parallel to each other, two channel-section steel one ends that are parallel to each other are welded perpendicularly second channel-section steel 2, second channel-section steel 2 bottom is fixed perpendicularly with ground, the reinforcing bar fetal membrane frame is connected to two channel-section steel other ends that are parallel to each other.
The positioning component comprises a third channel steel 3, the third channel steel 3 is placed on the upper end face of the first channel steel 1 through longitudinal back buckling of the first channel steel 1, a fixing screw 7 is welded at the bottom of the third channel steel 3, and the length of the fixing screw 7 is larger than the thickness of the first channel steel 1.
In the embodiment, the diameter of the fixing screw 7 is 20mm, the length is 150mm, and when the third channel steel 3 is placed in a linear type, the fixing screw 7 penetrates through the first channel steel 1, and the fixing screw 7 is fastened by screwing the gasket 6 and the nut 8.
The steel bar fixing assembly comprises a shuttle plate 9, an L-shaped square tube 4 and a rectangular tube, wherein the shuttle plate 9 is arranged at the upper end of a third channel steel 3, the shuttle plate 9 comprises a transverse plate, a vertical plate, a rib plate and a cover plate strip, the transverse plate and the vertical plate are welded in an L-shaped mode, the rib plate is welded inside the transverse plate and the vertical plate, the bottom end of the rib plate is welded on the transverse plate, the side edge of the rib plate is fixed on the vertical plate, a plurality of U-shaped grooves are formed in the vertical plate, steel bars penetrate through the U-shaped grooves, the cover plate strip is pressed at the upper end of the shuttle plate 9, the L-shaped square tube 4 limiting the shuttle plate 9 is welded on the outer side of the third channel steel 3, the L-shaped square tube 4 is welded with two 30x40mm square tubes, the L-shaped square tube 4 is welded in a span mode, and the rectangular tube is longitudinally lapped on the L-shaped square tube 4 in a span mode.
The connecting piece comprises a C-shaped hook 5, one end of the C-shaped hook 5 is connected with one side of the rib plate of the shuttle plate 9 outwards in a clamping mode, and the other end of the C-shaped hook is connected with the third channel steel 3. The material of the first channel steel 1 is 6.3# channel steel, the material of the second channel steel 2 is 8# channel steel, and the material of the third channel steel 3 is 14# channel steel.
The support structure is longitudinally arranged on the outer side of the multi-collapse reinforcing steel bar tire membrane frame along the two sides of the precast box girder panel respectively, positions the exposed reinforcing steel bars according to the section size on the box girder panel and marks the exposed reinforcing steel bars on the support structure, and the positioning parts are longitudinally arranged along the marks of the support structure and fixedly connected with the support structure. The upper end face of the positioning component is provided with the steel bar fixing component, the steel bar fixing component is internally provided with a steel bar binding structure, the reserved steel bar platform is provided with a steel bar binding structure, the steel bar fixing component comprises positioning transverse steel bars and longitudinal steel bars, the longitudinal steel bars are arranged on the inner side of the third channel steel 3 and are connected with the third channel steel 3 in a point mode, the positioning transverse steel bars are fixedly connected to the longitudinal steel bars along the longitudinal direction, the connecting piece is dismounted after the steel bar binding is completed, and the steel bar fixing component is hung into a die of the box girder.
The utility model discloses an operation method of a reserved steel bar platform of panels on two sides of a prefabricated box girder, which comprises the following steps:
step 1: the first channel steel 1 is longitudinally arranged on the outer side of the multi-span steel bar forming frame along the two sides of the precast box girder panel respectively, the position of exposed steel bars is determined according to the section size on the precast box girder panel member, and the multi-span first channel steel 1 is marked;
step 2: along the marks of the first channel steel 1, longitudinally arranging a third channel steel 3 reversely buckled on the first channel steel 1, along the longitudinal marks of multiple spans, adjusting the other end after each section is arranged, and welding a screw rod 7 at the lower end of the third channel steel 3;
step 3: when the third channel steel 3 is placed in a linear mode, the screw rod 7 is exposed out of the lower end of the third channel steel, the screw rod 7 penetrates through the first channel steel 1 and is fastened by adding the gasket 6 and the nut 8, and the size deviation is adjusted by tapping the hammer;
step 4: a limiting L-shaped square tube 4 is welded on the outer side of the third channel steel 3, and the L-shaped square tube 4 is welded in a crossing manner;
step 5: a rectangular pipe is selected to be lapped on the upper end of the L-shaped square pipe 4, and the L-shaped square pipe is connected and isolated along the longitudinal welding;
step 6: one side of a rib plate of the shuttle plate 9 faces outwards and is longitudinally arranged at the upper end of the third channel steel 3, the L-shaped square tube 4 limits the shuttle plate 9, and the C-shaped hooks 5 are connected with the shuttle plate 9 and the third channel steel 3 in a clamping mode;
step 7: the cover plate strip at the upper end of the shuttle plate 9 is detachable, when exposed steel bars exceed the positioning position, the cover strip is detached and is fastened again after being put into the steel bars, and the positioning of the transverse steel bars at the two sides of the precast box girder panel is completed;
step 8: the longitudinal steel bar of the steel bar binding structure is connected with the inner side of the third channel steel 3 in a spot mode, the positioned transverse steel bar is fixedly connected to the longitudinal steel bar along the transverse direction, and after the transverse steel bar and the longitudinal steel bar are bound into a steel bar cage in the steel bar binding structure, the C-shaped hook 5 is removed, and the steel bar cage is lifted into the mold.
According to the utility model, the shuttle plate is positioned on the tire membrane frame through the positioning component and the connecting piece, so that the time is saved for the whole binding and mold entering of the steel bars, the working efficiency is improved, the platform is convenient to assemble and disassemble, has strong flexibility and high practicability, can be repeatedly used, is beneficial to saving the cost, can meet the requirement of various linear box girders with different sizes for exposing the steel bars, and provides references for positioning the exposed steel bars for the curved girders in the future.
The foregoing description of the preferred embodiment is merely exemplary in nature and is not intended to limit the utility model, thus any modification, equivalents, and improvements made within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The reserved steel bar platform is characterized by comprising a supporting structure, positioning components, steel bar fixing assemblies and connecting pieces, wherein the supporting structure is longitudinally arranged on a multi-collapse steel bar tire membrane frame along two sides of the precast box girder panel respectively, positions of exposed steel bars are positioned according to the section size on the box girder panel and marked on the supporting structure, the positioning components are longitudinally arranged along the marks of the supporting structure and fixedly connected with the supporting structure, the upper end faces of the positioning components are provided with the steel bar fixing assemblies, steel bar binding structures are arranged in the steel bar fixing assemblies, and the connecting pieces are removed after steel bar binding is completed and hung into a die of the box girder;
the supporting structure comprises a first channel steel (1) and a second channel steel (2), wherein the first channel steel (1) is two back-to-back channel steels which are parallel to each other, one end of each of the two channel steels which are parallel to each other is vertically welded with the second channel steel (2), the bottom of the second channel steel (2) is fixedly vertical to the ground, and the other end of each of the two channel steels which are parallel to each other is connected with a reinforcing steel bar tire membrane frame;
the positioning component comprises a third channel steel (3), the third channel steel (3) is longitudinally and reversely buckled and placed on the upper end face of the first channel steel (1) through the first channel steel (1), a fixing screw (7) is welded at the bottom of the third channel steel (3), and when the third channel steel (3) is placed in a linear mode, the fixing screw (7) penetrates through the first channel steel (1) and is fastened through a gasket (6) and a nut (8) through screwing the fixing screw (7);
the steel bar fixing assembly comprises a shuttle plate (9), an L-shaped square tube (4) and a rectangular tube, wherein the shuttle plate (9) is arranged at the upper end of a third channel steel (3), the L-shaped square tube (4) limiting the shuttle plate (9) is welded on the outer side of the third channel steel (3), the L-shaped square tube (4) is welded in a span mode, and the rectangular tube is longitudinally lapped on the L-shaped square tube (4) in the span mode;
the connecting piece comprises a C-shaped hook (5), one end of the C-shaped hook (5) is connected with one side of the rib plate of the shuttle plate (9) outwards in a clamping mode, and the other end of the C-shaped hook is connected with the third channel steel (3).
2. The reserved steel bar platform of the two side panels of the prefabricated box girder according to claim 1, wherein the shuttle plate (9) comprises a transverse plate, a vertical plate, a rib plate and a cover plate strip, the transverse plate and the vertical plate are welded in an L shape, the rib plate is welded inside the transverse plate and the vertical plate, the bottom end of the rib plate is welded on the transverse plate, the side edges of the rib plate are fixed on the vertical plate, a plurality of U-shaped grooves are formed in the vertical plate, the steel bars penetrate through the U-shaped grooves, and the cover plate strip is pressed on the upper end of the shuttle plate (9).
3. The reserved steel bar platform of two side panels of a prefabricated box girder according to claim 1, wherein the length of the fixing screw (7) is larger than the thickness of the first channel steel (1), and the diameter of the fixing screw (7) is 20mm and the length is 150mm.
4. The reserved steel bar platform of the two side panels of the prefabricated box girder according to claim 1, wherein the material of the first channel steel (1) is 6.3# channel steel, the material of the second channel steel (2) is 8# channel steel, and the material of the third channel steel (3) is 14# channel steel.
5. The reserved steel bar platform of the two side panels of the prefabricated box girder according to claim 1, wherein the L-shaped square tubes (4) of the steel bar fixing part are two 30x40mm square tubes which are welded together.
6. The reserved steel bar platform of the two side panels of the prefabricated box girder according to claim 1, wherein the reserved steel bar platform of the two side panels of the prefabricated box girder is further provided with a steel bar binding structure, the steel bar binding structure comprises positioning transverse steel bars and longitudinal steel bars, the longitudinal steel bars are arranged on the inner side of the third channel steel (3) and are in spot connection with the third channel steel (3), and the positioning transverse steel bars are fixedly connected to the longitudinal steel bars along the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223244040.XU CN219648607U (en) | 2022-12-05 | 2022-12-05 | Reserved steel bar platform of precast box girder both sides panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223244040.XU CN219648607U (en) | 2022-12-05 | 2022-12-05 | Reserved steel bar platform of precast box girder both sides panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219648607U true CN219648607U (en) | 2023-09-08 |
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ID=87855800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223244040.XU Active CN219648607U (en) | 2022-12-05 | 2022-12-05 | Reserved steel bar platform of precast box girder both sides panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219648607U (en) |
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2022
- 2022-12-05 CN CN202223244040.XU patent/CN219648607U/en active Active
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