CN219823361U - Prestressed concrete I type precast beam steel reinforcement cage hoist - Google Patents
Prestressed concrete I type precast beam steel reinforcement cage hoist Download PDFInfo
- Publication number
- CN219823361U CN219823361U CN202320449032.4U CN202320449032U CN219823361U CN 219823361 U CN219823361 U CN 219823361U CN 202320449032 U CN202320449032 U CN 202320449032U CN 219823361 U CN219823361 U CN 219823361U
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- Prior art keywords
- precast beam
- prestressed concrete
- longitudinal
- shaped stiffening
- column frame
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 230000002787 reinforcement Effects 0.000 title claims abstract description 23
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a prestressed concrete I-shaped precast beam steel frame lifting appliance, which comprises a transversely arranged triangular column frame, wherein the triangular column frame comprises three longitudinal girders which are arranged in a triangular manner, two adjacent longitudinal girders are connected through a group of cross braces which are arranged at intervals, a triangular structure is formed between the three cross braces and the three longitudinal girders which are positioned at the same longitudinal position of the triangular column frame, skeleton lifting points are arranged on the cross braces at the bottom, and gantry lifting points are arranged on the longitudinal girders at the top. The utility model has the advantages that: the lattice type integral with the stable triangle as the basic unit is formed by the longitudinal girder, the transverse brace and the V-shaped stiffening rib, and a plurality of hanging points are formed, so that the whole steel reinforcement framework is fully stressed during hanging, deformation is not easy to occur, the structure is simple, the structure is stable, the hanging is safe and reliable, the operation is convenient, a good effect is achieved in the production of the large-span prestressed concrete I-type precast beam, and the requirement of large-scale production of the 40m I-type precast beam is met.
Description
Technical Field
The utility model relates to the technical field of precast beam steel reinforcement frame lifting appliances, in particular to a prestressed concrete I-type precast beam steel reinforcement frame lifting appliance.
Background
In order to meet the construction requirement of traffic infrastructure, the construction cost is reduced, the construction efficiency and the construction quality are improved, and the prestressed concrete precast I-shaped beam with the span of 40m and above is popularized and applied in bridge engineering. The concrete precast beam steel bars are generally formed by integral binding on the mould and are integrally hoisted by adopting a portal crane and a steel bar hoist, and the requirements on the strength, the rigidity and the stability of the steel bar hoist are high. The 40m prefabricated I-shaped beam has the advantages of large span, larger self weight of the steel reinforcement framework, smaller overall rigidity, large deformation of the steel reinforcement framework in the hoisting process, unstable whole body and complicated hoisting process, and brings certain difficulty to hoisting safety and deformation control.
Disclosure of Invention
According to the defects of the prior art, the utility model provides the prestressed concrete I-shaped precast beam reinforcement cage lifting appliance, and the hoisting of the precast beam reinforcement cage is realized by arranging the framework lifting points and the gantry crane lifting points on the triangular column frame.
The utility model is realized by the following technical scheme:
the utility model provides a prestressed concrete I type precast beam steel reinforcement cage hoist which characterized in that: including the triangle post frame of horizontal, triangle post frame is including being three vertical girders that triangle-shaped was arranged, two adjacent all link to each other through the stull that a set of interval set up between the vertical girder, is located three of triangle post frame same longitudinal position department stull and three form triangle-shaped structure between the vertical girder, the bottom be provided with the skeleton hoisting point on the stull, the top be provided with the portal crane hoisting point on the vertical girder.
And a V-shaped stiffening rib is arranged between every two adjacent transverse struts in each group of transverse struts, and the V-shaped stiffening ribs are connected with the longitudinal main beams.
The tip of one V-shaped stiffening rib of three V-shaped stiffening ribs positioned at the same longitudinal position of the triangular column frame faces the wide part of the other adjacent V-shaped stiffening rib.
The longitudinal girder is a round steel pipe, the cross braces are angle steel, and the V-shaped stiffening ribs are steel bars.
The framework hanging points and the gantry crane hanging points are lifting lugs.
The utility model has the advantages that: the lattice type integral with the stable triangle as the basic unit is formed by the longitudinal girder, the transverse brace and the V-shaped stiffening rib, and a plurality of hanging points are formed, so that the whole steel reinforcement framework is fully stressed during hanging, deformation is not easy to occur, the structure is simple, the structure is stable, the hanging is safe and reliable, the operation is convenient, the economical efficiency and the practicability are greatly improved, a good effect is achieved in the production of the large-span prestressed concrete I-type precast beam, and the requirement of large-scale production of the 40m I-type precast beam is met.
Drawings
FIG. 1 is a front view of a prestressed concrete I-type precast beam reinforcement cage lifting appliance;
fig. 2 is a side view of the prestressed concrete I-type precast beam reinforcement cage lifting appliance of the present utility model.
Description of the embodiments
The features of the utility model and other related features are described in further detail below by way of example in conjunction with the following figures to facilitate understanding by those skilled in the art:
as shown in fig. 1-2, the marks 1-5 are respectively indicated as a longitudinal girder 1, a transverse brace 2, a V-shaped stiffening rib 3, a framework hanging point 4 and a portal crane hanging point 5.
Examples: as shown in fig. 1-2, this embodiment relates to a prestressed concrete I-type precast beam steel frame hanger, which mainly includes a horizontally arranged triangular column frame, the triangular column frame includes three longitudinal girders 1 arranged in a triangle, two adjacent longitudinal girders 1 are all connected by a group of cross braces 2 arranged at intervals, and a triangle structure is formed between the three cross braces 2 and the three longitudinal girders 1 at the same longitudinal position of the triangular column frame. And a V-shaped stiffening rib 3 is arranged between every two adjacent transverse struts 2 in each group of transverse struts 2, the V-shaped stiffening ribs 3 are welded on the longitudinal girder 1 and used for reinforcing the triangular column frame, and the tip of one V-shaped stiffening rib 3 of three V-shaped stiffening ribs 3 positioned at the same longitudinal position of the triangular column frame faces the wide part of the other adjacent V-shaped stiffening rib 3. Every is located the stull 2 middle part of bottom and all is provided with a skeleton hoisting point 4, and skeleton hoisting point 4 is connected with the framework of steel reinforcement through the hanging chain, has guaranteed that the framework of steel reinforcement is lifting by crane and remove the in-process atress even for the framework of steel reinforcement is difficult for taking place to warp and has higher stability. The two sides of the longitudinal girder 1 positioned at the top are respectively provided with a group of gantry crane hanging points 5, each group of gantry crane hanging points 5 consists of two gantry crane hanging points 5, the two gantry crane hanging points 5 in each group of gantry crane hanging points 5 are connected together through hanging chains, the two hanging chains are respectively connected with the two gantry cranes, and the triangular column frame can be hoisted by the two gantry cranes. When the lifting appliance is connected with the steel reinforcement framework and the gantry crane, the beam steel reinforcement framework can be moved to a designated position by operating the gantry crane to lift and move.
In the embodiment, the longitudinal girder 1 is a round steel pipe, the transverse brace 2 is angle steel, the V-shaped stiffening rib 3 is steel bar, and the framework hanging point 4 and the gantry crane hanging point 5 are lifting lugs.
The beneficial technical effects of this embodiment are: the lattice type integral with the stable triangle as the basic unit is formed by the longitudinal girder, the transverse brace and the V-shaped stiffening rib, and a plurality of hanging points are formed, so that the whole steel reinforcement framework is fully stressed during hanging, deformation is not easy to occur, the structure is simple, the structure is stable, the hanging is safe and reliable, the operation is convenient, the economical efficiency and the practicability are greatly improved, a good effect is achieved in the production of the large-span prestressed concrete I-type precast beam, and the requirement of large-scale production of the 40m I-type precast beam is met.
Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the utility model as defined in the appended claims, and thus are not repeated herein.
Claims (4)
1. The utility model provides a prestressed concrete I type precast beam steel reinforcement cage hoist which characterized in that: comprises a transversely arranged triangular column frame, wherein the triangular column frame comprises three longitudinal main beams which are arranged in a triangle shape, two adjacent longitudinal main beams are connected through a group of transverse struts which are arranged at intervals, a triangular structure is formed between the three transverse struts and the three longitudinal main beams at the same longitudinal position of the triangular column frame, skeleton hanging points are arranged on the transverse struts at the bottom, and gantry hanging points are arranged on the longitudinal main beams at the top; and a V-shaped stiffening rib is arranged between every two adjacent transverse struts in each group of transverse struts, and the V-shaped stiffening ribs are connected with the longitudinal main beams.
2. The prestressed concrete I-type precast beam reinforcement cage sling according to claim 1, wherein: the tip of one V-shaped stiffening rib of three V-shaped stiffening ribs positioned at the same longitudinal position of the triangular column frame faces the wide part of the other adjacent V-shaped stiffening rib.
3. The prestressed concrete I-type precast beam reinforcement cage sling according to claim 1, wherein: the longitudinal girder is a round steel pipe, the cross braces are angle steel, and the V-shaped stiffening ribs are steel bars.
4. The prestressed concrete I-type precast beam reinforcement cage sling according to claim 1, wherein: the framework hanging points and the gantry crane hanging points are lifting lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320449032.4U CN219823361U (en) | 2023-03-10 | 2023-03-10 | Prestressed concrete I type precast beam steel reinforcement cage hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320449032.4U CN219823361U (en) | 2023-03-10 | 2023-03-10 | Prestressed concrete I type precast beam steel reinforcement cage hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823361U true CN219823361U (en) | 2023-10-13 |
Family
ID=88252333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320449032.4U Active CN219823361U (en) | 2023-03-10 | 2023-03-10 | Prestressed concrete I type precast beam steel reinforcement cage hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823361U (en) |
-
2023
- 2023-03-10 CN CN202320449032.4U patent/CN219823361U/en active Active
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