CN216965895U - Bending device suitable for steel box girder lining plate - Google Patents
Bending device suitable for steel box girder lining plate Download PDFInfo
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- CN216965895U CN216965895U CN202220312930.0U CN202220312930U CN216965895U CN 216965895 U CN216965895 U CN 216965895U CN 202220312930 U CN202220312930 U CN 202220312930U CN 216965895 U CN216965895 U CN 216965895U
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Abstract
The utility model discloses a bending device suitable for a steel box girder lining plate, aiming at solving the technical problems of complex structure, difficult movement and high production cost of the lining plate bending device suitable for the steel box girder; the device comprises a base, a bending plate arranged on the base, a bending mechanism and an adjusting mechanism arranged on the base, wherein the bending mechanism comprises a limiting part and at least one group of bending components, the limiting part and the bending components respectively comprise at least two supporting parts, the bending components are used for clamping the bending position of a steel box girder lining plate and providing a supporting point for bending the lining plate, and a certain inclination angle is formed between the bending components and the limiting part; the adjusting mechanism comprises an adjusting part and a clamping part and is mainly used for fine adjustment of the produced U-shaped lining plate, so that higher production precision is achieved. The utility model has simple structure, convenient operation and low investment cost, and provides accurate bending position and angle for the steel box girder lining plate by utilizing the mutual matching of all the components.
Description
Technical Field
The utility model relates to the technical field of steel structure production, in particular to a bending device suitable for a steel box girder lining plate.
Background
Steel box girder is also called steel sheet box girder, is the commonly used structural style of long span bridge, and steel sheet box girder is the structural style that often adopts in the bridge engineering, and in the long-span cable supported bridge, the span of steel box girder reaches several hundred meters and to last kilometers, generally divide into a plurality of beam sections and make and install, and its cross section has broad width and flat appearance characteristics, and the aspect ratio reaches 1: about 10. Due to the appearance characteristics of the cross section of the steel box girder, a steel box girder bottom plate needs to bear larger torque and bending rigidity in the manufacturing and welding processes of the steel box girder; in order to make the stress structure of the steel box girder more even, the strength is further promoted, the construction environment of better adaptation steel box girder operation, generally can select to weld the U-shaped welt of flip-chip type on the bottom plate of steel box girder at the welded fastening in-process of steel box girder, the moment of torsion and the bending resistance of U-shaped welt are big, can reduce the direct atress of the bottom plate of steel box girder, also have the effect of separating steel box girder plate interval simultaneously.
Patent document CN213035269U discloses a bending device for producing composite wear-resistant lining board, which utilizes the piston rod of a hydraulic cylinder to penetrate through the bottom of a support plate, and limit baffle plates are arranged on two sides of a substrate, when the lining board is bent, a limit blocking effect on the lining board is formed, so as to improve the bending accuracy.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The utility model aims to provide a bending device suitable for a steel box girder lining plate, and aims to solve the technical problems of complex structure, difficulty in moving and high production cost of the lining plate bending device suitable for the steel box girder.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the bending device suitable for the steel box girder lining plate comprises a base, a bending plate arranged on the base, a bending mechanism and an adjusting assembly, wherein the bending mechanism comprises a limiting part and at least one group of bending assemblies, and the bending assemblies are used for clamping the bending positions of the steel box girder lining plate and providing supporting points for bending the lining plate.
Preferably, the bending assembly comprises at least two adjacent bending support members, and a certain inclination angle is kept between the bending support members.
Preferably, the limiting member comprises at least two limiting branch members, and the limiting branch members are parallel to each other.
Preferably, the direction parallel to the limiting member faces the bending assembly.
Preferably, the adjusting assembly is arranged on the top end side of the base, and the adjusting assembly comprises an adjusting part and a clamping part which are matched for use.
Compared with the prior art, the utility model has the beneficial technical effects that:
1. the utility model has simple structure, convenient operation, low production difficulty, simple matching among components, easy and quick use in the using process and no need of long-term operation training.
2. The steel box girder lining plate bending machine is low in production cost, and can realize bending of the steel box girder lining plate only by welding corresponding matched components at corresponding positions, so that the investment cost is greatly reduced.
3. The utility model has simple structure and light weight, can conveniently bend the lining plate by utilizing the lever principle without adding a bending driving device, can move along with the change of a construction scene, and has great practical value.
Drawings
Fig. 1 is a schematic structural view of a bending device suitable for a steel box girder lining plate.
Fig. 2 is a using state diagram of the bending device suitable for the steel box girder lining plate.
In the above figures, 1 is a base, 2 is a bending plate, 3 is a limiting block, 4 is a first bending block, 5 is a second bending block, 6 is an adjusting column, 7 is a clamping block, and 8 is a U-shaped lining plate.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1: a bending device suitable for a steel box girder lining plate is disclosed, and the bending device is shown in figure 1 and comprises a base 1, a bending plate 2 arranged on the base, a bending mechanism and an adjusting mechanism, wherein the base 1 is used for bearing the whole bending device and needs to be placed on a flat surface, the bending plate 2 is arranged in the middle of the base 1 and is used for supporting and balancing the stress condition of the steel box girder lining plate during bending, the bending mechanism is arranged on the bending plate 2, and the bending mechanism comprises a limiting block 3, a first bending block 4 and a second bending block 5;
the limiting block 3 and the straight line where the first bending block 4 and the second bending block 5 are located have a certain inclination angle; the limiting block 3 is mainly used for clamping the position of the tail end of the lining plate of the steel box girder and plays a role of a fulcrum;
the first bending block 4 and the second bending block 5 are mainly used as supporting points to determine the bending position of the steel box girder lining plate in the bending process, and bear the bending force in the bending process;
adjustment mechanism locates the top of base 1 is terminal side, adjustment mechanism is including adjusting post 6 and screens piece 7, adjust the use of post 6 and screens piece 7 collocation, the angle of bending of the U-shaped welt after the mainly used fine setting processing improves the product precision of producing the U-shaped welt.
The operation and use method of the bending device suitable for the steel box girder lining plate comprises the following steps:
firstly, welding production is carried out on a bending device of a steel box girder lining plate, a base 1 is placed on a horizontal plane, a bending plate 2 is welded at the middle position of the base 1, the bending plate 2 is ensured to be symmetrical about the center line of the base 1, an adjusting column 6 and a clamping block 7 are welded at the corresponding positions of the top end side of the base 1, a certain distance is reserved between the adjusting column 6 and the clamping block 7, after the step is completed, the positions of a limiting block 3 and a bending block are firstly determined on the bending plate 2, each position is composed of at least two steel materials, two small components between the limiting blocks 3 are in a parallel state, two small components between a first bending block 4 and a second bending block 5 are inclined at a certain angle, the limiting block 3, the first bending block 4 and the second bending block 5 are welded at the determined positions, and the welding process of the bending device of the steel box girder lining plate is completed, see fig. 1.
When the bending device is used, one end of the steel box girder lining plate is placed at the clamping position of the limiting block 3, the limiting block 3 becomes a fulcrum in the bending process, the steel box girder lining plate is bent into the U-shaped lining plate at the positions of the first bending block 4 and the second bending block 5 respectively, and the U-shaped lining plate is finely adjusted through the adjusting column 6 and the clamping block 7 and is suitable for a bottom plate structure of the steel box girder, wherein the U-shaped lining plate is shown in figure 2.
While the utility model has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments and various changes in the details of construction and materials may be made therein without departing from the spirit of the utility model and without departing from the scope of the utility model.
Claims (5)
1. The utility model provides a bending device suitable for steel box girder welt, includes the base, locates bend the board on the base, its characterized in that still includes the mechanism of bending and adjusting part, the mechanism of bending includes locating part and at least a set of subassembly of bending, the subassembly of bending is used for the joint pending steel box girder welt the position of bending and provides the strong point for the welt is bent.
2. The bending device for the steel box girder liner according to claim 1, wherein the bending assembly comprises at least two adjacent bending supports, and a certain inclination angle is maintained between the bending supports.
3. The bending device for the steel box girder liner according to claim 1, wherein the limiting member comprises at least two limiting support members, and the limiting support members are parallel to each other.
4. The bending device for a steel box girder liner according to claim 1, wherein the direction of the limiting member is parallel to the bending assembly.
5. The bending device for the steel box girder liner according to claim 1, wherein the adjusting assembly is arranged on the top end side of the base and comprises an adjusting member and a clamping member which are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220312930.0U CN216965895U (en) | 2022-02-16 | 2022-02-16 | Bending device suitable for steel box girder lining plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220312930.0U CN216965895U (en) | 2022-02-16 | 2022-02-16 | Bending device suitable for steel box girder lining plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216965895U true CN216965895U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220312930.0U Active CN216965895U (en) | 2022-02-16 | 2022-02-16 | Bending device suitable for steel box girder lining plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216965895U (en) |
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2022
- 2022-02-16 CN CN202220312930.0U patent/CN216965895U/en active Active
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