CN215670415U

CN215670415U - Monolithic steel truss and exempt from to tear open building carrier plate

Info

Publication number: CN215670415U
Application number: CN202023202464.0U
Authority: CN
Inventors: 张宏宇
Original assignee: Tianjin Dena New Building Materials Co ltd
Current assignee: Tianjin Dena New Building Materials Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-01-28
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a single steel truss, which comprises a bottom structural rib and an upper layer of support ribs; vertical ribs are welded between the bottom structural ribs and the upper-layer support ribs along the length direction, and inclined ribs are welded between adjacent vertical ribs; the inclination directions of the adjacent oblique ribs are opposite. The utility model has simple structure, reasonable design, low cost, strong bearing capacity; the utility model also discloses a disassembly-free floor bearing plate which comprises a disassembly-free template and rigid supporting purlins, wherein the rigid supporting purlins are distributed on the same side surface of the disassembly-free template at equal intervals, each rigid supporting purlin is fixedly connected with the disassembly-free template through a self-tapping screw component, a steel truss is welded on each rigid supporting purlin, the steel truss adopts the single steel truss, the single steel truss is welded with the rigid supporting purlins through V-shaped supporting legs, and lower-layer structural ribs and upper-layer structural ribs are correspondingly bound or welded on the bottom structural ribs and the upper-layer supporting ribs. The disassembly-free floor bearing plate has the advantages of reasonable structure, strong bearing capacity, safety, and high construction efficiency.

Description

Monolithic steel truss and exempt from to tear open building carrier plate

Technical Field

The utility model belongs to building structures, and particularly relates to a single steel truss and a disassembly-free floor bearing plate.

Background

The cast-in-place concrete floor slab adopting the wood pattern as the support overcomes some defects of the precast slab floor slab, and can greatly improve the shock resistance of the building. However, the construction of the cast-in-place concrete floor requires a series of operations such as erecting a support frame on site, laying a formwork on the support frame, laying reinforcing steel bars in the formwork, and then pouring concrete. In the traditional floor construction engineering, the wood template is adopted for floor construction, and the defects of resource waste, large form removal loss, large quantity of floor support tools, high construction cost and the like exist. In order to overcome the defect of floor construction by using a wood template, the cast-in-place precast concrete composite slab is provided, but the existing cast-in-place precast concrete composite slab has the disadvantages of heavy weight, low factory processing speed, complex transportation and hoisting construction and high bearing requirement of a floor supporting tool.

The steel bar truss floor bearing plate for forming the cast-in-situ concrete-pouring composite slab adopts the steel bar truss with three main bars and two auxiliary bars and a galvanized bottom template as main parts, and then the steel bar truss and the galvanized bottom template are connected together through resistance spot welding or connectors to form a welding type or assembly type steel bar truss floor bearing plate. In the construction process of the steel bar truss and the galvanized bottom template in the prefabricated residential building, the problems of the welded steel bar truss floor bearing plate exist: a) the galvanized bottom template is difficult to remove from the bottom of the floor slab; b) the roof decoration is affected due to the corrosion of the bottom feet of the steel bar truss; c) the footing of the steel bar truss generates sagging deformation when the galvanized template is removed, and the whitewash at the bottom of the floor slab is influenced; d) High labor intensity and high cost.

Therefore, the utility model provides the single-piece steel truss which has the advantages of simple structure, reasonable design, low cost, strong bearing capacity and strong bearing capacity.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides the single-piece steel truss which is simple in structure, reasonable in design, low in cost and strong in bearing capacity, and also provides the disassembly-free floor bearing plate which is manufactured by adopting the single-piece steel truss.

The utility model is realized in such a way that a single-piece steel truss is characterized in that: the support comprises bottom structural ribs and upper-layer support ribs, wherein the length of the bottom structural ribs is greater than that of the upper-layer support ribs; vertical ribs are welded between the bottom structural ribs and the upper-layer support ribs along the length direction, inclined ribs are welded between adjacent vertical ribs, and two ends of each inclined rib are located at the intersection of each vertical rib, the bottom structural rib and the upper-layer support rib; the adjacent oblique ribs are inclined in opposite directions.

Preferably, the tilted ribs are formed by bending a continuous reinforcing steel bar.

The utility model also discloses a disassembly-free floor bearing plate, which comprises a disassembly-free template and a plurality of rigid supporting purlins, wherein the plurality of rigid supporting purlins are distributed on the same side surface of the disassembly-free template at equal intervals and are parallel to each other, and each rigid supporting purlin is fixedly connected with the disassembly-free template through a self-tapping screw component, and the disassembly-free floor bearing plate is characterized in that: the steel truss is welded on the upper surface of the rigid supporting purline along the direction perpendicular to the rigid supporting purline, the steel truss adopts the single steel truss, the V-shaped supporting leg formed by bending the reinforcing steel bars is welded on the upper supporting rib along the length direction of the single steel truss, the two lower end parts of the V-shaped supporting leg are welded with the rigid supporting purline, and the bottom structural rib and the upper supporting rib are correspondingly bound or welded with the lower structural rib and the upper structural rib.

The utility model adopts the advantages and technical effects of the technical scheme, the bottom structural rib is adopted as the main bearing stress rib, the upper layer support rib with small diameter is adopted for supporting and laying the upper layer steel bar, the vertical rib and the inclined rib are adopted between the bottom structural rib and the upper layer support rib to form a triangular rigid support structure, compared with the two auxiliary ribs of the traditional three main ribs, the cost is greatly reduced, the bearing capacity can also meet the actual requirement, the disassembly-free floor bearing plate manufactured by adopting the single steel truss has reasonable structure, strong bearing capacity, good safety and good construction efficiency, and can realize industrial production.

Drawings

FIG. 1 is a schematic structural view of a single steel truss according to example 1 of the present invention;

FIG. 2 is a schematic structural view of a single steel truss according to example 2 of the present invention;

FIG. 3 is a schematic view of a non-dismantling floor deck;

fig. 4 is a schematic view of the connection structure of a single steel truss and rigid supporting purlins.

In the figures, 1, bottom structural ribs; 2. upper support ribs; 3. erecting ribs; 4. a diagonal rib; 5. a template is not required to be disassembled; 6. Rigid supporting purlines; 7. a self-tapping screw member; 8. v-shaped supporting legs; 9. lower layer structural ribs; 10. and (5) upper-layer structural ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Embodiment 1, please refer to fig. 1, a single steel truss includes a bottom structural rib 1 and an upper support rib 2, wherein the length of the bottom structural rib is greater than that of the upper support rib; the vertical ribs 3 are welded between the bottom structural ribs and the upper-layer support ribs along the length direction, the inclined ribs 4 are welded between the adjacent vertical ribs, and the two ends of each inclined rib are positioned at the intersection of each vertical rib, the bottom structural rib and the upper-layer support rib; the adjacent oblique ribs are inclined in opposite directions. The utility model adopts the bottom structure rib as the main bearing stress rib, adopts the upper layer support rib with small diameter for supporting and laying the upper layer reinforcing steel bar, adopts the vertical rib and the inclined rib between the bottom structure rib and the upper layer support rib to enclose and close to form a triangular rigid support structure, has greatly reduced cost compared with two auxiliary ribs of the traditional three main ribs, and can meet the actual requirement of bearing capacity.

In embodiment 2, referring to fig. 2, the tilted ribs are formed by bending a continuous steel bar. The rest of the structure is the same as that of embodiment 1.

The utility model also discloses a disassembly-free floor bearing plate, which refers to fig. 3 and 4, and comprises a disassembly-free template 5 and a plurality of rigid supporting purlins 6, wherein the rigid supporting purlins are preferably C-shaped steel and are arranged in a plurality of numbers, the rigid supporting purlins are distributed on the same side surface of the disassembly-free template at equal intervals and are parallel to each other, each rigid supporting purlin is fixedly connected with the disassembly-free template through a self-tapping screw component 7, a steel truss is welded on the upper surface of each rigid supporting purlin along the direction vertical to the rigid supporting purlin, the steel truss adopts the single steel truss, a V-shaped supporting leg 8 formed by bending a steel bar is welded on an upper-layer supporting rib along the length direction of the single steel truss, the V-shaped supporting leg further improves the stability of the single steel truss, and two lower end parts of the V-shaped supporting purlin are welded with the rigid supporting purlins; the bottom structural ribs and the upper layer supporting ribs are correspondingly bound or welded with lower layer structural ribs 9 and upper layer structural ribs 10; in actual use, the bottom structural ribs are inserted into the structural ribs of the wall body, the beam or the column, and the poured structural ribs and the wall body, the beam or the column and other structural bodies form an integral structure.

The disassembly-free floor bearing plate manufactured by the single steel truss has the advantages of reasonable structure, strong bearing capacity, safety, high construction efficiency and capability of realizing industrial production.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A monolithic steel truss characterized by: the support comprises bottom structural ribs and upper-layer support ribs, wherein the length of the bottom structural ribs is greater than that of the upper-layer support ribs; vertical ribs are welded between the bottom structural ribs and the upper-layer support ribs along the length direction, inclined ribs are welded between adjacent vertical ribs, and two ends of each inclined rib are located at the intersection of each vertical rib, the bottom structural rib and the upper-layer support rib; the adjacent oblique ribs are inclined in opposite directions.

2. The monolithic steel truss of claim 1, wherein: the diagonal rib is formed by bending a continuous reinforcing steel bar.

3. The utility model provides an exempt from to tear open building carrier plate, is including exempting from to tear open the template, rigid support purlin is equipped with the several, and several rigid support purlin is equidistant distribution and exempts from to tear open the same side of template to be parallel to each other, every rigid support purlin pass through self tapping screw component and exempt from to tear open template fixed connection, its characterized in that: the steel truss is welded on the upper surface of the rigid supporting purlin along the direction perpendicular to the rigid supporting purlin, the steel truss adopts the single-piece steel truss in the claim 1 or 2, the V-shaped supporting legs formed by bending the reinforcing steel bars are welded on the upper supporting ribs along the length direction of the single-piece steel truss, two lower end parts of the V-shaped supporting legs are welded with the rigid supporting purlins, and the bottom structural ribs and the upper supporting ribs are correspondingly bound or welded with the lower structural ribs and the upper structural ribs.