CN221140829U - Auxiliary protection device for hoisting prefabricated small box girder - Google Patents
Auxiliary protection device for hoisting prefabricated small box girder Download PDFInfo
- Publication number
- CN221140829U CN221140829U CN202322603721.9U CN202322603721U CN221140829U CN 221140829 U CN221140829 U CN 221140829U CN 202322603721 U CN202322603721 U CN 202322603721U CN 221140829 U CN221140829 U CN 221140829U
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- CN
- China
- Prior art keywords
- box girder
- small box
- protection
- prefabricated small
- semicircular
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 230000001681 protective effect Effects 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses an auxiliary protection device for hoisting a prefabricated small box girder, which comprises the prefabricated small box girder and steel wire ropes hoisted at the bottom and two sides of the prefabricated small box girder, wherein semicircular protection steel bars are mounted on two sides of the prefabricated small box girder in a fitting manner, and V-shaped protection covers are mounted on lower chamfer angles of bottom webs of the prefabricated small box girder in a fitting manner; the steel wire rope is attached to the outer side of the V-shaped protection cover at the lower chamfer of the bottom web plate at the arc side of the semicircular protection steel bar; the semicircular protection steel bar and the outer side of the end part of the V-shaped protection cover are embedded with circular rings, and the circular rings are connected to a hanging beam steel wire rope through thin steel wires. The utility model can improve the protection force of concrete at the edge angle of the flange plate of the box girder and the concrete at the chamfer of the bottom web during hoisting and simultaneously meet various requirements of use.
Description
Technical Field
The utility model relates to the technical field of box girder hoisting, in particular to an auxiliary protection device for hoisting a prefabricated small box girder.
Background
The box girder of the reinforced concrete structure is divided into a prefabricated small box girder and a cast-in-situ box girder, wherein the prefabricated small box girder is required to be hoisted through a steel wire rope in the installation process and then hoisted to a designated position for installation, however, the pressure and abrasion to the steel wire rope are large in the hoisting process due to the fact that the corner edge of the prefabricated small box girder is too sharp in the hoisting process of the existing steel wire rope, namely the protection force to the steel wire rope is poor.
Disclosure of utility model
The utility model aims to provide an auxiliary protection device for hoisting a prefabricated small box girder, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the auxiliary protection device for hoisting the prefabricated small box girder comprises the prefabricated small box girder and steel wire ropes hoisted at the bottom and two sides of the prefabricated small box girder, wherein semicircular protection steel bars are mounted on two sides of the prefabricated small box girder in a fitting manner, and a V-shaped protection cover is mounted on a lower chamfer of a bottom web of the prefabricated small box girder in a fitting manner;
The steel wire rope is attached to the outer side of the V-shaped protection cover at the lower chamfer of the bottom web plate at the arc side of the semicircular protection steel bar;
The semicircular protection steel bar and the outer side of the end part of the V-shaped protection cover are embedded with circular rings, and the circular rings are connected to a hanging beam steel wire rope through thin steel wires.
Preferably, the diameter of the semicircular protection steel bar is the same as the width of the flange plate of the box girder.
Preferably, the V-shaped protection cover at the lower chamfer is provided as a chamfer.
Preferably, a rectangular rubber pad I is arranged on the inner side of the semicircular protection steel bar.
Preferably, a second rectangular rubber pad is embedded in the inner side of the V-shaped protection cover at the lower chamfer of the bottom web plate.
Compared with the prior art, the utility model has the beneficial effects that:
The protection force to the concrete at the edge angle of the flange plate of the box girder and the concrete at the chamfer of the bottom web plate during hoisting is improved, and all requirements of use are met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a mounting structure of a mosaic annular ring according to the present utility model.
In the figure: 1. prefabricating small box girders; 2. a wire rope; 3. a semicircular protection steel bar; 4. a V-shaped boot; 5. a rectangular rubber pad I; 6. rectangular rubber pads II; 7. embedding a circular ring; 8. fine steel wires.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a prefabricated small box girder hoist and mount auxiliary protection device, includes prefabricated small box girder 1 and hoist and mount at the bottom of prefabricated small box girder 1 and wire rope 2 of both sides, and semi-circular protection steel bar 3 is all laminated to the both sides of prefabricated small box girder 1, and V-arrangement safety cover 4 is laminated to the bottom web lower chamfer department of prefabricated small box girder 1;
the steel wire rope 2 is attached to the outer side of the V-shaped protection cover 4 at the lower chamfer of the arc side and the bottom web of the semicircular protection steel bar 3;
The outer sides of the ends of the semicircular protection steel bar 3 and the V-shaped protection cover 4 are embedded with circular rings 7, and the circular rings 7 are connected to the hanging beam steel wire rope 2 through thin steel wires 8, so that the semicircular protection steel bar and the V-shaped protection cover are prevented from falling when the hanging beam steel wire rope is detached.
In the utility model, the diameter of the semicircular protection steel bar 3 is the same as the width of the flange plate of the box girder 1.
In the present utility model, the V-shaped protection cover 4 at the lower chamfer is provided as a rounded corner.
In the utility model, a rectangular rubber gasket I5 is arranged on the inner side of a semicircular protection steel bar 3, and a rectangular rubber gasket II 6 is embedded on the inner side of a V-shaped protection cover 4 at the lower chamfer of a bottom web plate and is used for protecting the semicircular protection steel bar 3 and the V-shaped protection cover 4.
The working principle of the utility model is as follows: in operation, a semicircular protection steel bar is attached to the edge of the flange plate of the prefabricated small box girder, a V-shaped protection cover is attached to the lower chamfer of the bottom web plate of the prefabricated small box girder, the diameter of the semicircular protection steel bar is the same as the width of the flange plate of the box girder, the V-shaped protection cover at the lower chamfer is arranged to be a round angle, a rectangular rubber pad with a certain thickness is arranged on the inner side of the semicircular protection steel bar, a rectangular rubber pad with a certain thickness is embedded on the inner side of the V-shaped protection cover at the lower chamfer of the bottom web plate, a steel wire rope is attached to the arc side of the semicircular protection steel bar and the outer side of the V-shaped protection cover at the lower chamfer of the bottom web plate, and circular ring devices are embedded on the outer sides of the ends of the semicircular protection steel bar and the V-shaped protection cover and are connected to a steel wire rope of the hanging girder through thin steel wires to prevent the semicircular protection steel bar and the V-shaped protection cover from falling when the steel wire rope of the hanging girder is removed; the utility model can improve the protection force of the concrete at the edge angle of the flange plate of the box girder and the concrete at the chamfer of the bottom web during hoisting and simultaneously meet various requirements of use.
While embodiments of the present utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a prefabricated small box roof beam hoist and mount auxiliary protection device which characterized in that: the steel wire rope protection device is characterized in that semicircular protection steel bars (3) are mounted on two sides of the prefabricated small box girder (1) in a fitting mode, and V-shaped protection covers (4) are mounted on lower chamfer positions of bottom webs of the prefabricated small box girder (1) in a fitting mode;
the steel wire rope (2) is attached to the outer sides of the V-shaped protection covers (4) at the arc side of the semicircular protection steel bar (3) and the lower chamfer of the bottom web;
The semicircular protection steel bar (3) and the outer side of the end part of the V-shaped protection cover (4) are embedded with circular rings (7), and the circular rings (7) are connected to the hanging beam steel wire rope (2) through thin steel wires (8).
2. The auxiliary protection device for hoisting a prefabricated small box girder according to claim 1, wherein: the diameter of the semicircular protection steel bar (3) is the same as the width of the flange plate of the box girder (1).
3. The auxiliary protection device for hoisting a prefabricated small box girder according to claim 1, wherein: the V-shaped protection cover (4) at the lower chamfer is arranged to be a chamfer.
4. The auxiliary protection device for hoisting a prefabricated small box girder according to claim 1, wherein: a rectangular rubber pad I (5) is arranged on the inner side of the semicircular protection steel bar (3).
5. The auxiliary protection device for hoisting a prefabricated small box girder according to claim 1, wherein: a rectangular rubber pad II (6) is embedded in the inner side of the V-shaped protective cover (4) at the lower chamfer of the bottom web plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322603721.9U CN221140829U (en) | 2023-09-25 | 2023-09-25 | Auxiliary protection device for hoisting prefabricated small box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322603721.9U CN221140829U (en) | 2023-09-25 | 2023-09-25 | Auxiliary protection device for hoisting prefabricated small box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221140829U true CN221140829U (en) | 2024-06-14 |
Family
ID=91420199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322603721.9U Active CN221140829U (en) | 2023-09-25 | 2023-09-25 | Auxiliary protection device for hoisting prefabricated small box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221140829U (en) |
-
2023
- 2023-09-25 CN CN202322603721.9U patent/CN221140829U/en active Active
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