CN220538426U - Secondary tensioning construction platform for bent cap - Google Patents
Secondary tensioning construction platform for bent cap Download PDFInfo
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- CN220538426U CN220538426U CN202321992062.6U CN202321992062U CN220538426U CN 220538426 U CN220538426 U CN 220538426U CN 202321992062 U CN202321992062 U CN 202321992062U CN 220538426 U CN220538426 U CN 220538426U
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- 238000010276 construction Methods 0.000 title claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 241000282326 Felis catus Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The secondary tensioning construction platform for the bent cap comprises a bent cap and a beam box arranged on the bent cap, wherein a movable frame which is in sliding connection with the beam box is arranged on the beam box, a cantilever frame which moves synchronously with the movable frame is arranged on the movable frame, a hanging basket corresponding to the side edge of the beam box is hung on the cantilever frame, the hanging basket is vertically arranged on the cantilever frame, and a construction frame is arranged at the bottom of the hanging basket; the bottom of the movable frame is provided with wheels for the movable frame to move, the movable frame is loaded with a counterweight for balancing the movable frame, and the movable frame is provided with a pull rope connected with the beam box; compared with the prior art, through setting up the movable frame of frame type structure to consolidate the movable frame through first vertical support and first bracing, make movable frame have better stability in the use, balance the atress of movable frame through the counter weight thing on the movable frame simultaneously, ensure to remove the movable frame and have better security in the removal process.
Description
Technical Field
The utility model relates to the technical field of viaduct construction, in particular to a secondary tension construction platform for a bent cap.
Background
The construction of the viaduct Liang Gailiang secondary tensioning construction belongs to high-altitude operation, and a special scaffold construction operation platform is required to be erected before construction to ensure the safety, and the operation platform is short in service cycle and high in turnover speed, but the erection of the platform is required to cost larger manpower and material resources, so that a half of construction units do not erect a special operation platform when the capping beam is subjected to secondary tensioning construction, constructors directly tie a safety belt to hang above the capping beam or use a simple hanging basket of a reinforcing steel bar to externally hang on a box beam for tensioning construction, and the safety construction requirements are violated. When constructing different areas, constructors climb up and climb down to move the operation platform, which is time-consuming and labor-consuming and affects the working efficiency.
In order to solve the above-mentioned problem, chinese patent application number 201920626134.2 discloses a secondary tensioning of prestressing force bent cap and seals anchor construction platform, and the construction platform of above-mentioned disclosure includes: the movable frame can slide on the top surface of the box girder, the vertical hanging frame, the transverse cantilever frame positioned below the cover girder and the operation platform; the vertical hanging frame is positioned between the movable frame and the transverse cantilever frame, is vertical to the movable frame and the transverse cantilever frame respectively and is fixedly connected with the movable frame and the transverse cantilever frame; an operation platform is arranged on the transverse cantilever mount; a hanging beam is arranged on the vertical hanging frame, a sliding piece capable of sliding along the sliding direction of the movable frame is arranged on the hanging beam, the sliding piece is used for hanging a first jack, and the first jack is used for carrying out capping beam tensioning and end sealing operation; the secondary tensioning and anchor sealing construction platform for the prestressed bent cap enables personnel to be high in operation efficiency and safety.
In the prior art disclosed by the above, by sliding the movable frame on the top surface of the box girder, the transverse cantilever frame is installed on the vertical hanging frame, the operation platform is positioned on the transverse cantilever frame, constructors stand on the operation platform for operation and construction, when the movable frame moves, the vertical hanging frame can drive the transverse cantilever beam and the operation platform to move, in the process, the gravity of the vertical hanging frame and the hanging beam is intensively arranged on the movable frame in the moving process of the movable frame, so that the stress deformation of the movable frame is easily caused, and a certain potential safety hazard exists.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the secondary tensioning construction platform for the bent cap, which has high safety and can protect constructors.
In order to achieve the above object, the present utility model adopts the following technical scheme: the secondary tensioning construction platform for the bent cap comprises a bent cap and a beam box arranged on the bent cap, wherein a movable frame which is in sliding connection with the beam box is arranged on the beam box, a cantilever frame which moves synchronously with the movable frame is arranged on the movable frame, a hanging basket corresponding to the side edge of the beam box is hung on the cantilever frame, the hanging basket is vertically arranged on the cantilever frame, and a construction frame is arranged at the bottom of the hanging basket; the bottom of the movable frame is provided with wheels for the movable frame to move, the movable frame is loaded with a counterweight for balancing the movable frame, and the movable frame is provided with a pull rope connected with the beam box; the movable frame is of a frame structure, a first vertical support is arranged in the middle of the movable frame, and first inclined supports which are arranged oppositely are arranged on two sides of the first vertical support respectively.
As a preferable scheme of the utility model, one end of the first diagonal brace is connected to the corner of the movable frame, the other end of the first diagonal brace is connected to the joint of the first vertical brace and the movable frame, and the corner of the movable frame is provided with a reinforcing rib for reinforcing the strength of the movable frame.
As a preferable scheme of the utility model, the cantilever mount comprises an extension beam which is horizontally arranged, the hanging basket is fixedly connected to the extension beam, one end of the extension beam is fixedly arranged on the movable frame, and the other end of the extension beam is suspended.
As a preferable mode of the utility model, a reinforcing support for reinforcing the extension beam is connected between the extension beam and the movable frame.
As a preferable scheme of the utility model, the hanging basket comprises a vertically arranged pull rod assembly, and the pull rod assembly is fixedly arranged on the cantilever frame.
As a preferable scheme of the utility model, the pull rod assembly is internally provided with a long connecting rod for increasing the strength of the pull rod assembly.
As a preferable scheme of the utility model, the bottom of the pull rod assembly is provided with a horizontally arranged working platform, and the working platform is arranged at the bottom of the construction frame.
As a preferable scheme of the utility model, the working platform is positioned below the capping beam, and the construction frame is abutted on the side wall of the capping beam
As a preferable scheme of the utility model, the construction frame is internally provided with a second diagonal brace and a second vertical brace for reinforcing the strength of the construction frame.
As a preferable scheme of the utility model, the pull rod assembly is provided with a cat ladder which is communicated with the construction frame.
Compared with the prior art, the utility model has the beneficial effects that:
1. the movable frame with the frame-shaped structure is arranged, and the movable frame is reinforced through the first vertical support and the first diagonal support, so that the movable frame has better stability in the use process, and meanwhile, the weight on the movable frame balances the stress of the movable frame, so that the movable frame has better safety in the moving process;
2. the cantilever frame which moves synchronously with the moving frame is hung with the hanging basket, the construction frame is arranged at the bottom of the hanging basket, constructors construct in the construction frame, when the whole construction platform needs to be moved, the hanging basket frame and the hanging basket are driven to move under the movement of the moving frame, the hanging basket can shake at the moment, constructors in the construction frame protect through the construction frame, the constructors are prevented from falling from the construction frame due to shake of the hanging basket, the safety of the constructors is guaranteed, and the safety in the construction process is improved;
3. further, be equipped with second bracing and second on the scaffold, erect through second bracing and second and prop when having strengthened the structural strength of scaffold, also can protect the constructor in the scaffold, further ensured constructor's safety.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the longitudinal structure of the mobile frame;
FIG. 3 is a schematic view of the transverse structure of the mobile frame;
FIG. 4 is a longitudinal structural schematic view of a basket;
FIG. 5 is a schematic view of a transverse structure of a basket;
reference numerals: the movable frame 1, the first diagonal bracing 101, the first vertical bracing 102, the wheels 103, the reinforcing ribs 104, the counterweight 105, the stay ropes 106, the hanging basket 2, the pull rod assembly 201, the long connecting rod 2011, the construction frame 202, the second diagonal bracing 2021, the second vertical bracing 2022, the cat ladder 203, the working platform 204, the beam box 3, the cantilever mount 4, the extension beam 401, the reinforcing brace 402 and the capping beam 5.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the secondary tension construction platform for the bent cap comprises a bent cap 5 and a beam box 3 arranged on the bent cap 5, wherein a movable frame 1 in sliding connection with the beam box 3 is arranged on the beam box 3, a cantilever frame 4 which moves synchronously with the movable frame 1 is arranged on the movable frame 1, a hanging basket 2 corresponding to the side edge of the beam box 3 is hung on the cantilever frame 4, the hanging basket 2 is vertically arranged on the cantilever frame 4, and a construction frame 202 is arranged at the bottom of the hanging basket 2; the bottom of the movable frame 1 is provided with wheels 103 for moving the movable frame 1, the movable frame 1 is loaded with weights 105 for balancing the movable frame 1, and the movable frame 1 is provided with a pull rope 106 connected with the beam box 3.
Specifically, the movable frame 1 is positioned at one side of the beam box 3, the cantilever mount 4 is fixedly arranged on the side wall of the movable frame 1, which is close to the outer side of the beam box 3, the cantilever mount 4 is integrally and vertically arranged on the movable frame 1, and the hanging basket 2 is fixedly arranged on the cantilever mount 4 through bolts; the scaffold 202 is frame structure to the scaffold 202 is fixed to be set up in the bottom of hanging flower basket 2, and the constructor stands in the scaffold 202 and is under construction, when removing whole construction platform, under the effect of scaffold 202, the constructor of standing in the scaffold 202 can be protected to avoided making the constructor of standing unstability drop from the scaffold 202 because of construction platform's removal.
In addition, the rope 106 and the counterweight 105 are positioned on the same side of the movable frame 1, and one end of the rope 106 is provided at the top of the movable frame 1, and the other end is connected to the beam box 3.
The movable frame 1 is of a frame structure, a first vertical support 102 is arranged in the middle of the movable frame 1, first inclined supports 101 are arranged on two sides of the first vertical support 102 in a relative mode, one end of each first inclined support 101 is connected to the corner of the movable frame 1, the other end of each first inclined support 101 is connected to the joint of the corresponding first vertical support 102 and the movable frame 1, and reinforcing ribs 104 for reinforcing the strength of the movable frame 1 are arranged at the corners of the movable frame 1.
Further, the first vertical support 102 is located on the longitudinal side of the mobile frame 1, the longitudinal side of the mobile frame is divided into two equal rectangular structures by the first vertical support 102, the first diagonal support 101 is located on the rectangular structures, the first diagonal support 101 is located on the diagonal line of the rectangular structures, and the two first diagonal supports 101 are symmetrically arranged about the first vertical support 102; in addition, the reinforcing ribs 104 are arranged on the lateral side of the movable frame 1, and the reinforcing ribs 104 are positioned on the corners of the lateral side of the movable frame 1, and the structural strength of the movable frame 1 is reinforced through the arranged first diagonal braces 101, the first vertical braces 102 and the reinforcing ribs 104, so that the safety of the movable frame 1 is ensured.
Cantilever frame 4 includes the extension beam 401 that the level set up, and hanging flower basket 2 fixed connection is on extension beam 401, and extension beam 401 one end fixed set up on moving frame 1, and the unsettled setting of the other end, and further, extension beam 401 sets up in the side of moving frame 1 perpendicularly, and hanging flower basket 2 sets up perpendicularly with extension beam 401, and extension beam 401 extends the setting to the outside of roof beam box 3, through extension beam 401 and with the hanging flower basket 2 of fixed setting on extension beam 401, guarantee that hanging flower basket 2 can not bump on the roof beam box 3.
The extension beam 401 and the movable frame 1 are connected with a reinforcing support 402 for reinforcing the extension beam 401, the reinforcing support 402 is obliquely arranged between the extension beam 401 and the movable frame 1, the strength of the extension beam 401 is increased under the action of the reinforcing support 402, and the extension beam 401 is ensured not to be broken in the use process.
As shown in fig. 4 and 5, the hanging basket 2 comprises a group of vertically arranged pull rod assemblies 201, the pull rod assemblies 201 are fixedly arranged on the cantilever frame 4, the construction frame 202 is fixedly arranged at the bottom end of the pull rod assemblies 201, long connecting rods 2011 used for increasing the strength of the pull rod assemblies 201 are arranged in the group of pull rod assemblies 201, the long connecting rods 2011 are located at the tops of the pull rod assemblies 201, a ladder stand 203 communicated with the construction frame 202 is arranged on the pull rod assemblies 201, the ladder stand 203 is located between the long connecting rods 2011 and the construction frame 202, constructors can conveniently enter the construction frame 202 through the ladder stand 203, and meanwhile, the construction frame 202 is connected with the pull rod assemblies 201, so that the structural strength of the pull rod assemblies 201 is enhanced under the action of the ladder stand 203.
The bottom of the pull rod assembly 201 is provided with a horizontally arranged working platform 204, the working platform 204 is arranged at the bottom of the construction frame 202, the working platform 204 extends to the bottom of the capping beam 5, the construction frame 202 is abutted to the side wall of the capping beam 5, and a 4mm thick pattern steel plate is paved on the working platform 204.
The construction frame 202 is internally provided with a second diagonal brace 2021 and a second vertical brace 2022 for reinforcing the strength of the construction frame 202, the second diagonal brace 2021 is arranged on the end face of the construction frame 202, one end of the second diagonal brace 2021 is connected to the connection part of the construction frame 202 and the pull rod assembly 201, and the other end of the second diagonal brace 2021 is connected to the corner of the construction frame 202; further, the second vertical supports 2022 are vertically arranged on the side surface of the construction frame 202, and the second vertical supports 2022 are arranged in a plurality of equal intervals, so that the structural strength of the construction frame 202 is enhanced through the second diagonal supports 2021 and the second vertical supports 2022, and the safety of the construction frame 202 is ensured.
The integral construction platforms are fixedly connected through bolt connection or electric welding by adopting channel steel.
In the actual use process, the specific operation flow is as follows
Firstly, designing the size of a construction platform according to a drawing, then assembling the construction platform, then installing and balancing the construction platform, and finally tensioning the bent cap.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the terms of the mobile frame 1, the first diagonal brace 101, the first vertical brace 102, the wheels 103, the reinforcing ribs 104, the counterweight 105, the pull ropes 106, the hanging basket 2, the pull rod assembly 201, the long connecting rod 2011, the construction frame 202, the second diagonal brace 2021, the second vertical brace 2022, the ladder stand 203, the working platform 204, the beam box 3, the cantilever mount 4, the extension beam 401, the reinforcing brace 402, the capping beam 5, etc. are not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a bent cap secondary stretch-draw construction platform, its characterized in that includes bent cap (5) and beam box (3) of setting on bent cap (5), be provided with on beam box (3) with beam box (3) sliding connection's movable frame (1), be equipped with cantilever frame (4) with movable frame (1) synchronous motion on movable frame (1), cantilever frame (4) are gone up to be articulated with basket (2) corresponding with beam box (3) side, and basket (2) are vertical to be set up on cantilever frame (4), and the bottom of basket (2) is equipped with scaffold (202); wheels (103) for moving the moving frame (1) are arranged at the bottom of the moving frame (1), a counterweight (105) for balancing the moving frame (1) is loaded on the moving frame (1), and a pull rope (106) connected with the beam box (3) is arranged on the moving frame (1); the movable frame (1) is of a frame type structure, a first vertical support (102) is arranged in the middle of the movable frame (1), and first inclined supports (101) are arranged on two sides of the first vertical support (102) in an opposite mode.
2. The secondary tensioning construction platform for the bent cap of claim 1, wherein one end of the first diagonal brace (101) is connected to the corner of the movable frame (1), the other end of the first diagonal brace is connected to the connection part of the first vertical brace (102) and the movable frame (1), and the corner of the movable frame (1) is provided with a reinforcing rib (104) for reinforcing the strength of the movable frame (1).
3. The bent cap secondary tensioning construction platform according to claim 1, wherein the cantilever frame (4) comprises an extension beam (401) which is horizontally arranged, the hanging basket (2) is fixedly connected to the extension beam (401), one end of the extension beam (401) is fixedly arranged on the movable frame (1), and the other end of the extension beam is suspended.
4. A bent cap secondary tensioning construction platform according to claim 3, characterized in that a reinforcing brace (402) for reinforcing the extension beam (401) is connected between the extension beam (401) and the movable frame (1).
5. The bent cap secondary tensioning construction platform according to claim 1, wherein the hanging basket (2) comprises a vertically arranged pull rod assembly (201), and the pull rod assembly (201) is fixedly arranged on the cantilever frame (4).
6. The bent cap secondary tensioning construction platform according to claim 5, wherein a long connecting rod (2011) for increasing the strength of the pull rod assembly (201) is arranged in the pull rod assembly (201).
7. The secondary tensioning construction platform for the bent cap of claim 5, wherein the bottom of the pull rod assembly (201) is provided with a horizontally arranged working platform (204), and the working platform (204) is arranged at the bottom of the construction frame (202).
8. The bent cap secondary tensioning construction platform according to claim 7, wherein the working platform (204) is located below the bent cap (5), and the construction frame (202) is abutted to the side wall of the bent cap (5).
9. The bent cap secondary tensioning construction platform according to claim 7, wherein a second diagonal brace (2021) and a second vertical brace (2022) for reinforcing the strength of the construction frame (202) are arranged in the construction frame (202).
10. The bent cap secondary tensioning construction platform according to claim 5, wherein a ladder (203) communicated with a construction frame (202) is arranged on the pull rod assembly (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992062.6U CN220538426U (en) | 2023-07-27 | 2023-07-27 | Secondary tensioning construction platform for bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992062.6U CN220538426U (en) | 2023-07-27 | 2023-07-27 | Secondary tensioning construction platform for bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220538426U true CN220538426U (en) | 2024-02-27 |
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ID=89972401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321992062.6U Active CN220538426U (en) | 2023-07-27 | 2023-07-27 | Secondary tensioning construction platform for bent cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220538426U (en) |
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2023
- 2023-07-27 CN CN202321992062.6U patent/CN220538426U/en active Active
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