CN213204969U

CN213204969U - Cold bending forming keel

Info

Publication number: CN213204969U
Application number: CN202021558293.2U
Authority: CN
Inventors: 王建民; 宋俊达; 刘金中
Original assignee: Tianjin Zhongzulian Road And Bridge Engineering Co ltd
Current assignee: Tianjin Zhongzulian Road And Bridge Engineering Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-14
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a cold roll forming keel, which comprises a bottom plate, side vertical plates, an inner folded plate, a long hole and a round hole, wherein the plane long strip-shaped plate structure axially extending from the bottom plate is symmetrically provided with the side vertical plates which are folded upwards at the radial two sides of the bottom plate, the upper ends of the side vertical plates are respectively provided with the inner folded plate which is folded towards the central axis direction of the bottom plate, an arc transition section is arranged between the upper part of the inner folded plate and the side vertical plates, the middle part of the inner folded plate is provided with an outer convex bent inner wall which tightly pushes against the side vertical plates; a plurality of long holes are axially and uniformly distributed in the middle of the bottom plate at intervals; two opposite round holes are formed on the bottom plate between the adjacent long holes and are positioned at the symmetrical positions of the two sides of the long holes. The utility model discloses a manganese steel or high strength stainless steel cold press forming, punching press system hole, structural support reinforce compares the quality with current fossil fragments and obviously alleviates, and stable in structure is reliable, is suitable for in industry popularization and application.

Description

Cold bending forming keel

Technical Field

The utility model belongs to the auxiliary assembly among the building construction field specifically is a forming special-shaped fossil fragments by cold bending.

Background

The existing keel of the cast-in-place template usually adopts I-steel or channel steel as a main keel to construct a main keel frame body, the whole weight of the existing keel capable of achieving structural strength is large, the transportation and construction difficulty is large, and the construction efficiency and the construction quality are affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a simple structure, be convenient for operation, support stable, low cost's special-shaped keel of forming of colding bending.

The utility model provides a its technical problem take following technical scheme to realize:

the utility model provides a special-shaped fossil fragments of cold roll forming which characterized in that: the folding type folding machine comprises a bottom plate, side vertical plates, inner folding plates, a long hole and round holes, wherein the bottom plate is of a planar long-strip-shaped plate-shaped structure extending axially, the two radial sides of the bottom plate are symmetrically provided with the side vertical plates folded upwards, the upper ends of the side vertical plates are respectively provided with the inner folding plates folded towards the central axis direction of the bottom plate, an arc transition section is arranged between the upper parts of the inner folding plates and the side vertical plates, the middle parts of the inner folding plates are provided with outwards-protruding bending inner walls tightly propping against the side vertical; a plurality of long holes are axially and uniformly distributed in the middle of the bottom plate at intervals; two opposite round holes are formed on the bottom plate between the adjacent long holes and are positioned at the symmetrical positions of the two sides of the long holes.

And the two axial ends of the keel are fixedly welded with end plates.

And the bottom plate corresponding to the lower end supporting position of the inner folded plate is provided with an upward convex bent part for limiting and supporting the inner folded plate.

And the peripheries of the long holes arranged on the bottom plate at intervals are provided with pressing grooves, and the pressing grooves are in a round-corner rhombus shape.

In addition, the keels are connected by adopting corner core belts or straight core belts in use to form a top main keel frame of a set structure, auxiliary keels are installed on the keel frame, and templates are installed on the auxiliary keels and used for pouring.

And the corner core belt or the straight core belt is provided with a through hole corresponding to the size position on the bottom plate, and a special pin is arranged in the corresponding long hole and the round hole for fixing.

Furthermore, the keel length is 0.5m, 1m or 2 m.

The utility model has the advantages that:

the utility model discloses a manganese steel or high strength stainless steel cold press forming, punching press system hole, structural support reinforce compares the quality with current fossil fragments and obviously alleviates, and stable in structure is reliable, is suitable for in industry popularization and application.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

fig. 3 is a schematic view of the application state structure of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.

A cold-bending formed special-shaped keel comprises a bottom plate 1, side vertical plates 3, inner folded plates 2, long holes 5 and round holes 7, wherein the bottom plate is of a planar long-strip-shaped plate-shaped structure, the bottom plate extends axially, the length of the bottom plate is various specifications such as 0.5m, 1m and 2m, the side vertical plates 3 folded upwards are symmetrically arranged on two radial sides of the bottom plate, the upper ends of the side vertical plates are respectively provided with the inner folded plates 2 folded towards the central axis direction of the bottom plate, an arc transition section is arranged between the upper parts of the inner folded plates and the side vertical plates, the middle parts of the inner folded plates are provided with outer convex bent inner walls tightly propping against the; the bottom plate corresponding to the lower end supporting position of the inner folded plate is provided with an upward convex bend for spacing and supporting the inner folded plate, thereby further ensuring the structural stability.

End plates (not numbered in the figure) are welded and fixed at the two axial ends of the keel.

The bottom plate middle part axial interval equipartition system has the multiunit connecting hole, and the connecting hole includes slot hole and round hole, and concrete structure is: a plurality of long holes 5 are uniformly distributed in the middle of the bottom plate at intervals in the axial direction; two axially spaced round holes 7 are formed in the bottom plates on the two radial sides of each long hole, and the round holes are located at symmetrical positions on the two sides of each long hole.

In order to further enhance the structural strength, the bottom plate on the periphery of the long hole is provided with a pressing groove 6 which is in a round-corner diamond shape.

Referring to the attached drawing 3, the keels are connected by corner core belts 8 or straight core belts 11 in use to form a top main keel frame of a set structure, auxiliary keels 9 are installed on the keel frame, and templates 10 are installed on the auxiliary keels for pouring.

The corner core belt or the straight core belt is provided with a through hole corresponding to the size position on the bottom plate, and a special pin is arranged in the corresponding long hole and the round hole for fixing, so that the keel can be continued.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a forming fossil fragments by cold-bending which characterized in that: the folding type folding machine comprises a bottom plate, side vertical plates, inner folding plates, a long hole and round holes, wherein the bottom plate is of a planar long-strip-shaped plate-shaped structure extending axially, the two radial sides of the bottom plate are symmetrically provided with the side vertical plates folded upwards, the upper ends of the side vertical plates are respectively provided with the inner folding plates folded towards the central axis direction of the bottom plate, an arc transition section is arranged between the upper parts of the inner folding plates and the side vertical plates, the middle parts of the inner folding plates are provided with outwards-protruding bending inner walls tightly propping against the side vertical; a plurality of groups of connecting holes are uniformly distributed in the middle of the bottom plate at intervals in the axial direction.

2. The cold roll formed runner of claim 1, wherein: the connecting hole includes slot hole and round hole, and concrete structure is: a plurality of long holes are formed in the middle of the bottom plate at intervals in the axial direction, two round holes are formed in the bottom plate on the two sides of each long hole in the radial direction at intervals in the axial direction, and the round holes are located in the symmetrical positions on the two sides of each long hole.

3. The cold roll formed runner of claim 1, wherein: and end plates are welded and fixed at the two axial ends of the keel.

4. The cold roll formed runner of claim 1, wherein: the bottom plate corresponding to the lower end supporting position of the inner folded plate is provided with an upward convex bent part for spacing and supporting the inner folded plate.

5. The cold roll formed runner of claim 1, wherein: the bottom plate at the periphery of the long hole is provided with a pressing groove which is in a round-corner diamond shape.

6. The cold roll formed runner of claim 1, wherein: the main keel frame is connected by a corner core belt or a straight core belt in use to form a top main keel frame of a set structure, an auxiliary keel is arranged on the keel frame, and a template is arranged on the auxiliary keel and used for pouring.

7. The cold roll formed runner of claim 6, wherein: the corner core belt or the straight core belt is provided with a through hole corresponding to the size position on the bottom plate, and a special pin is arranged in the corresponding long hole and the round hole for fixing.

8. The cold roll formed runner of claim 1, wherein: the length of the keel is 0.5m, 1m or 2 m.