CN214614890U

CN214614890U - Steel plate prefabricated composite board manufactured by using steel pipe truss

Info

Publication number: CN214614890U
Application number: CN202022263489.5U
Authority: CN
Inventors: 张立琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2020-10-12
Publication date: 2021-11-05
Anticipated expiration: 2030-10-12

Abstract

The steel plate prefabricated composite plate is manufactured by using a steel pipe truss, the steel pipe truss comprises an upper truss chord pipe, the upper truss chord pipe is a hollow steel pipe, truss web ribs are arranged on two sides of the upper truss chord pipe, the truss web ribs on each side of the upper truss chord pipe are respectively formed by continuously bending a steel bar, two sides of the bent part on the upper part of each truss web rib are respectively welded with the upper truss chord pipe through an upper welding spot, the bent part on the lower part of each truss web rib is bent to the outer side of the upper truss chord pipe to be horizontal to form a horizontal elbow, a longitudinal rib is arranged on the outer side of each truss web rib, each longitudinal rib is welded with the cross part of the adjacent truss web rib, and the distance H between the central axis of each longitudinal rib and the bottom surface of the truss web rib at the horizontal elbow is 1.5cm-5 cm. And hard fillers are filled in the truss upper chord tube. Truss web reinforcements on two sides of the truss upper chord tube are mutually symmetrical, and the included angle alpha between each truss web reinforcement and the steel bottom plate is 30-90 degrees.

Description

Steel plate prefabricated composite board manufactured by using steel pipe truss

Technical Field

The utility model relates to a building prefabricated component, specifically speaking are steel sheet prefabricated composition board who uses the preparation of steel pipe truss.

Background

With the popularization of assembly type buildings, various building prefabricated components come along with transportation, at present, concrete composite slabs are mostly adopted as the floor prefabricated components when floor construction is carried out on the assembly type buildings, the concrete composite slabs are transported to a construction site after being processed in a factory, and partial concrete is poured to form the building floors after the concrete composite slabs are installed in place. In some concrete composite slabs, steel members such as steel bar trusses are provided on a concrete slab in order to increase the strength of the concrete composite slab itself, but a bottom plate thereof is made of concrete. When the concrete bottom plate is produced, the problems of long production period and high maintenance standard exist, in addition, the dead weight of the concrete bottom plate is relatively large, the transportation cost is high, and the concrete bottom plate is easy to damage due to jolting in the transportation process and has a certain transportation loss rate. If the concrete slab in the existing composite slab is replaced by the steel plate, the truss needs to be welded with the steel plate to form the composite slab, but the lower end of the web rib of the existing truss is only contacted with the top end of the bending part of the web rib at one point, so that the enough welding strength is difficult to achieve, and the truss is easy to separate from the steel plate after welding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated compoboard of steel sheet, it has set up horizontal elbow at the web reinforcement lower extreme of truss, can increase the area of contact of truss and bottom member, promotes the stability of truss, and when truss bottom member is the steel sheet, the truss web reinforcement that has horizontal elbow can fully contact with the steel sheet, reserves sufficient area of contact for the welding between truss web reinforcement and the bottom steel sheet, ensures that the welding is firm between truss web reinforcement and the bottom steel sheet. Therefore, the steel plate can be used as the bottom plate of the laminated slab, concrete does not need to be poured during prefabrication in a factory, the maintenance time of the concrete is saved, the production speed of the prefabricated members of the floor slab is effectively improved, the dead weight of the prefabricated members is obviously reduced, the production and transportation difficulty can be reduced, the prefabricated members cannot be damaged due to jolt during transportation, and the production and transportation efficiency can be obviously improved.

The utility model provides a technical scheme that its technical problem adopted is: the steel pipe truss comprises a truss upper chord pipe, the truss upper chord pipe is a hollow steel pipe, truss web reinforcements are arranged on two sides of the truss upper chord pipe, the truss web reinforcements on each side of the truss upper chord pipe are respectively formed by continuously bending a steel bar, two sides of the bent part on the upper part of each truss web reinforcement are respectively welded with the truss upper chord pipe through an upper welding spot, the bent part on the lower part of each truss web reinforcement is bent to be horizontal towards the outer side of the truss upper chord pipe to form a horizontal elbow, a longitudinal reinforcement is arranged on the outer side of each truss web reinforcement, each longitudinal reinforcement is mutually welded with the cross part of the adjacent truss web reinforcements, and the distance H between the central axis of each longitudinal reinforcement and the bottom surface of the truss web reinforcement at the horizontal elbow is 1.5cm-5 cm. And hard fillers are filled in the truss upper chord tube. Truss web reinforcements on two sides of the truss upper chord tube are mutually symmetrical, and the included angle alpha between each truss web reinforcement and the steel bottom plate is 30-90 degrees.

The steel plate prefabricated composite plate manufactured by the steel pipe trusses comprises a steel base plate, a plurality of groups of steel pipe trusses are arranged on the steel base plate in parallel, and two sides of a horizontal elbow at the lower part of a truss web rib of each steel pipe truss are welded with the steel base plate through a lower welding point. The steel bottom plate is a rectangular steel plate, an upper folding edge bent towards the upper side of the steel bottom plate is arranged on one edge of the steel bottom plate parallel to the length direction of the steel pipe truss, and a lower folding edge bent towards the lower side of the steel bottom plate is arranged on the other edge of the steel bottom plate parallel to the length direction of the truss. And the steel bottom plate below the upper chord pipe of the truss is provided with convex ribs formed by upwards bending the steel bottom plate, and each convex rib is parallel to the upper chord pipe of the truss. And the steel bottom plate below the horizontal elbow at the lower part of the truss web rib of each steel pipe truss is provided with a convex rib formed by upwards bending the steel bottom plate, and each convex rib is parallel to the upper chord pipe of the truss.

The utility model has the advantages of: it has set up horizontal elbow at the web muscle lower extreme of truss, can increase the area of contact of truss and bottom component, promotes the stability of truss, and when truss bottom component was the steel sheet, the truss web muscle that has horizontal elbow can fully contact with the steel sheet, reserves sufficient area of contact for the welding between truss web muscle and the bottom steel sheet, ensures the firm in welding between truss web muscle and the bottom steel sheet. Therefore, the steel plate can be used as the bottom plate of the laminated slab, concrete does not need to be poured during prefabrication in a factory, the maintenance time of the concrete is saved, the production speed of the prefabricated members of the floor slab is effectively improved, the dead weight of the prefabricated members is obviously reduced, the production and transportation difficulty can be reduced, the prefabricated members cannot be damaged due to jolt during transportation, and the production, transportation efficiency and the like are obviously improved.

Drawings

Fig. 1 is a schematic structural diagram of the steel pipe truss of the present invention;

FIG. 2 is a schematic structural diagram of the steel plate prefabricated composite plate of the present invention;

FIG. 3 is a schematic left side view of the structure of FIG. 2;

FIG. 4 is a schematic top view of the structure of FIG. 2;

fig. 5 is a schematic structural diagram of another embodiment of the present invention.

Detailed Description

The steel pipe truss include truss chord member 4, truss chord member 4 is the cavity steel pipe, truss web rib 5 is set up to truss chord member 4 both sides, truss web rib 5 of 4 every one sides of truss chord member is respectively by a reinforcing bar bending type in succession, 5 upper portion of each truss web rib department of buckling both sides respectively through one go up solder joint 6 and truss chord member 4 welding, 5 lower part of each truss web rib department of buckling all buckle to the truss chord member 4 outside to the level, form horizontal elbow, each 5 outside of truss web rib all sets up one and indulges muscle 8, each indulges muscle 8 and adjacent 5 cross welds of truss web rib, each indulges the distance H between 8 axis of muscle and the 5 bottom surfaces of truss web rib of horizontal elbow department and is 1.5cm-5 cm. Indulge among muscle 8 can imbed cast-in-place concrete layer when the construction, become the inside bar planting of floor. Horizontal elbow can increase the area of contact of truss and bottom component with the cooperation of truss bottom component, promotes the stability of truss, and when truss bottom component was the steel sheet, the truss web reinforcement 5 that has horizontal elbow can fully contact with the steel sheet, reserves sufficient area of contact for the welding between truss web reinforcement 5 and the bottom steel sheet, ensures that the welding is firm between truss web reinforcement 5 and the bottom steel sheet.

The utility model discloses a further promote the rigidity of steel pipe truss can pack the stereoplasm filler in truss upper chord tube 4. The hard material can be concrete, cement mortar and other materials.

The utility model discloses an ensure that the steel pipe truss has sufficient resistance to compression and bending resistance, can adopt following structure: the truss web ribs 5 on two sides of the truss upper chord tube 4 are mutually symmetrical, and the included angle alpha between each truss web rib 5 and the steel bottom plate 1 is 30-90 degrees.

Prefabricated compoboard of steel sheet, including bottom plate 1, parallel arrangement multiunit steel pipe truss on the

bottom plate

1, 5 lower part horizontal elbow both sides of truss web reinforcement of each steel pipe truss respectively through a lower solder joint 7 and bottom plate 1 welding. Each bending part above and below the truss web rib 5 is welded with the truss upper chord tube 4 and the steel bottom plate 1 through two welding points, so that the truss web rib 5 can be effectively prevented from deforming at the bending part after being stressed, and the compressive strength of the truss can be further enhanced. The prefabricated compoboard of steel sheet adopts the steel sheet as the bottom plate, compares with current concrete superimposed sheet, and the dead weight is lighter, does not need the cast concrete when prefabricating in the mill, has effectively promoted floor prefabricated component's production speed, has reduced the production and has transported the degree of difficulty, can not damage because of jolting during the transportation, is favorable to showing promotion production and conveying efficiency.

The utility model discloses for the convenience of practicing into an organic whole the use with adjacent superimposed sheet, can adopt following structure: the steel bottom plate 1 is a rectangular steel plate, an upper folding edge 9 which is bent towards the upper side of the steel bottom plate 1 is arranged on one edge of the steel bottom plate 1 which is parallel to the length direction of the steel pipe truss, and a lower folding edge 10 which is bent towards the lower side of the steel bottom plate 1 is arranged on the other edge of the steel bottom plate 1 which is parallel to the length direction of the truss 3. The adjacent steel bottom plates 1 can be connected by buckling the upper folding edge 9 and the lower folding edge 10.

The utility model discloses an increase the rigidity of soleplate 4, can set up the fin 11 that is upwards buckled and is formed by the soleplate on soleplate 1 of 4 below on the truss, each fin 11 all is parallel with 4 on the truss. The rib 11 can strengthen the rigidity of the steel bottom plate 1, the rib 11 is positioned below the truss upper chord tube 4, and the truss web ribs 5 are connected to two sides of the rib, so that the tensile strength of the steel bottom plate 1 cannot be influenced. For further promoting the rigidity of steel bottom plate 1, the utility model discloses still can set up the position of fin 11 below truss web rib 5, concrete structure is: and the steel bottom plate 1 below the horizontal elbow at the lower part of the truss web rib 5 of each steel pipe truss is provided with a convex rib 11 formed by upwards bending the steel bottom plate, and each convex rib 11 is parallel to the upper chord pipe 4 of the truss. The convex rib 11 is additionally arranged at the connecting position of the steel pipe truss and the steel bottom plate 1, so that the overall rigidity of the truss web rib 5 and the steel bottom plate 1 can be improved simultaneously.

Claims

1. The steel plate prefabricated composite board manufactured by using the steel pipe truss is characterized in that: the steel truss upper chord pipe comprises a truss upper chord pipe (4) and a steel bottom plate (1), wherein the truss upper chord pipe (4) is a hollow steel pipe, truss web ribs (5) are arranged on two sides of the truss upper chord pipe (4), the truss web rib (5) on each side of the truss upper chord pipe (4) is formed by continuously bending a steel bar, two sides of the upper bending part of each truss web rib (5) are respectively welded with the truss upper chord pipe (4) through an upper welding point (6), the lower bending part of each truss web rib (5) is bent to be horizontal towards the outer side of the truss upper chord pipe (4) to form a horizontal elbow, a longitudinal rib (8) is arranged on the outer side of each truss web rib (5), the crossed part of each longitudinal rib (8) and the adjacent truss web ribs (5) is mutually welded, the distance H between the central axis of each longitudinal rib (8) and the bottom surface of the truss web rib (5) at the horizontal elbow is 1.5cm-5cm, a plurality of steel pipes are arranged on the steel bottom plate (1) in parallel, two sides of the horizontal elbow at the lower part of the truss web rib (5) of each steel pipe truss are respectively welded with the steel bottom plate (1) through a lower welding point (7).

2. The steel plate prefabricated composite plate manufactured by using the steel pipe truss as claimed in claim 1, wherein: and hard fillers are filled in the truss upper chord tube (4).

3. The steel plate prefabricated composite plate manufactured by using the steel pipe truss as claimed in claim 1, wherein: truss web ribs (5) on two sides of the truss upper chord tube (4) are mutually symmetrical, and the included angle alpha between each truss web rib (5) and the steel bottom plate (1) is 30-90 degrees.

4. The steel plate prefabricated composite plate manufactured by using the steel pipe truss as claimed in claim 1, wherein: the steel bottom plate (1) is a rectangular steel plate, an upper folding edge (9) which is bent towards the upper side of the steel bottom plate (1) is arranged on one edge of the steel bottom plate (1) which is parallel to the length direction of the steel pipe truss, and a lower folding edge (10) which is bent towards the lower side of the steel bottom plate (1) is arranged on the other edge of the steel bottom plate (1) which is parallel to the length direction of the truss (3).

5. The steel plate prefabricated composite plate manufactured by using the steel pipe truss as claimed in claim 1, wherein: the steel bottom plate (1) below the truss upper chord pipe (4) of the steel pipe truss is provided with convex ribs (11) formed by upwards bending the steel bottom plate, and each convex rib (11) is parallel to the truss upper chord pipe (4).

6. The steel plate prefabricated composite plate manufactured by using the steel pipe truss as claimed in claim 1, wherein: and the steel bottom plate (1) below the horizontal elbow at the lower part of the truss web rib (5) of each steel pipe truss is provided with a convex rib (11) formed by upwards bending the steel bottom plate, and each convex rib (11) is parallel to the upper chord pipe (4) of the truss.