Factory prefabricated assembly type bearing bottom plate with combined stress

Abstract

The utility model discloses a factory prefabricated assembly type bearing plate with combined stress. The factory prefabricated assembly type bearing plate comprises a bearing plate body and a factory prefabricated purline. The bearing plate body is provided with a bottom plate, and a first plate rib and a second plate rib which extend upwards are arranged on the two sides of the bottom plate respectively. The first plate rib and the second plate rib are provided with wing plates extending towards the outer sides of the plates; the bottom plate is provided with reinforcing ribs; the wing plates and the reinforcing ribs are correspondingly arranged; the factory prefabricated purline is a C-shaped steel purline, the factory prefabricated purline is tightly attached to the first plate rib and the wing plate of one bearing plate body and the second plate rib and the wing plate of the adjacent bearing plate body, and the factory prefabricated purline and the first plate rib and the wing plate are fixed through middle screw end bolts. The purline and the metal roof bottom plate are mutually combined, the stress performance of the metal roof bottom plate structure is improved, a safe construction operation platform is provided for site construction, meanwhile, a large amount of site purline installation work can be transferred to factory prefabrication, site construction efficiency is improved, and the project construction period is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of roofing construction, in particular to a prefabricated factory-assembled load-bearing bottom plate with combined force. Background Art

[0002] The metal roofing system is a roofing enclosure technology commonly used in large industrial buildings and public buildings, which has the characteristics of large area and wide application. Moreover, the roofing structures of large stadiums have large spans, high heights, and tight construction periods. In the past, the conventional installation method of metal roofing was to install the roofing purlins first and then the bottom plates. Workers installing the roofing purlins in a suspended state at high altitudes had low efficiency and poor safety. Content of the Utility Model

[0003] The utility model provides a prefabricated factory-assembled load-bearing bottom plate with combined force. The independent plate ribs of two adjacent metal roofing bottom plates are prefabricated and assembled in the factory by overlapping the two metal bottom plates and connecting the roofing purlins with bolts and screws. By improving the mechanical properties of the combined structure of the ribs of the metal roofing bottom plate, the wind resistance capacity of the metal roofing bottom plate is enhanced, and the installation efficiency of the purlins is improved.

[0004] To achieve the above object, the utility model provides the following technical solutions:

[0005] A prefabricated factory-assembled load-bearing bottom plate with combined force, comprising a bottom plate body and prefabricated factory purlins; the bottom plate body is provided with a bottom plate, and first and second plate ribs extending upward are respectively arranged on both sides of the bottom plate; the first and second plate ribs are provided with wing plates extending outward from the plate; the bottom plate is provided with reinforcing ribs; the wing plates and the reinforcing ribs are arranged corresponding to each other; the prefabricated factory purlins are C-shaped steel purlins, and the first plate rib and the wing plate of a bottom plate body are closely attached to the second plate rib and the wing plate of an adjacent bottom plate body, and are fixed by bolts at the end of the middle screw.

[0006] This solution changes the conventional purlin installation method, combines the purlins with the metal roofing bottom plate in the factory in a prefabricated manner, simplifies the purlin installation at the construction site, improves the construction safety of workers at the construction site, and the prefabricated assembly of the roofing purlins and the metal roofing bottom plate in the factory will be a new low-carbon, safe, construction period-saving, and energy-saving innovative technology.

[0007] As a preferred solution of the utility model, the bottom plate is provided with a plurality of bottom plate bodies which are closely arranged and fixed, and the first plate rib and the wing plate of a bottom plate body are closely attached and buckled with the second plate rib and the wing plate of an adjacent bottom plate body.

[0008] As a preferred solution of the utility model, the bottom plate of the bottom plate body is provided with a continuous reinforcing rib.

[0009] As a preferred embodiment of the present utility model, the factory prefabricated purlin is fixedly welded to the main structure through purlin brackets. The main structure in this embodiment refers to the roof steel beam structure.

[0010] In this embodiment, the first rib and wing plate, the second rib and wing plate of adjacent load-bearing base plates, and the factory prefabricated C-shaped steel purlins can be combined with each other to form combined ribs, which serve as the main bending force part in the longitudinal direction of the load-bearing base plate. The load on the load-bearing base plate is transmitted to the purlin bracket through the combined ribs, and then to the main structure through the purlin bracket; the combined performance of the assembled load-bearing base plate rib of the present utility model is achieved by connecting the individually stressed first rib, second rib, and C-shaped steel purlin together with screws and making them work together to achieve the combined stress performance;

[0011] In this embodiment, the assembled load-bearing base plate is made by cold pressing of metal thin plates. The material of the load-bearing base plate can be a steel plate with a thickness of 0.8 mm - 1.2 mm; the material of the factory prefabricated purlin can be a galvanized C-shaped steel with a thickness of 2.0 mm - 3.0 mm.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: the first rib and wing plate, the second rib and wing plate of adjacent load-bearing base plates, and the factory prefabricated C-shaped steel purlins can be combined with each other to form ribs, and the bearing capacity of the load-bearing base plate is improved by enhancing the stress performance of the combined structure of the load-bearing base plate ribs; through factory prefabrication, the on-site installation procedures are reduced, and the construction time is shortened; through the synchronous construction of the steel purlin and the load-bearing base plate, the construction efficiency is improved, and the construction period is saved; a construction operation surface is provided for subsequent rapid construction, and the subsequent construction period is shortened; through the synchronous construction of the steel purlin and the profiled steel sheeting, the safety risks of independent high-altitude construction operations of the steel purlin and the profiled steel floor are reduced; when installing the subsequent structural layers of the roof, a complete construction operation surface is already available, improving the construction safety. Description of the Drawings

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the assembled load-bearing base plate of the present utility model.

[0014] Figure 2 It is an end structure schematic diagram of the assembled load-bearing base plate of the present utility model.

[0015] Figure 3 It is a connection schematic diagram of the assembled load-bearing base plate of the present utility model.

[0016] Figure 4 It is a schematic diagram of multiple connection structures of the assembled load-bearing base plate of the present utility model.

[0017] Figure 5 It is a connection structure schematic diagram of the assembled load-bearing base plate of the present utility model with the main structure.

[0018] In the figure: 1. Load-bearing base plate body 2. Base plate 3. First rib

[0019] 4. Second plate rib, 5. First plate rib wing plate, 6. Second plate rib wing plate

[0020] 7. Reinforcing rib, 8. Factory prefabricated purlin, 9. Steel purlin support

[0021] 10. Bolt Detailed implementation manner

[0022] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as "fixedly provided on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used herein in the specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0025] Please refer to Figures 1-5 , the present utility model provides a technical solution:

[0026] A factory prefabricated assembled bearing bottom plate with combined force bearing, including a bearing bottom plate body 1, provided with a bottom plate 2; on both sides of the bottom plate 2, a first plate rib 3 and a second plate rib 4 extending upward are respectively provided; the first plate rib 3 is provided with a first plate rib wing plate 5 extending to one side, and the second plate rib 4 is provided with a second plate rib wing plate 6 extending to one side; two through-length reinforcing ribs 7 are provided on the bottom plate 2; the first plate rib 3 and the first plate rib wing plate 5 cooperate with the second plate rib 4 and the second plate rib wing plate 6 and the factory prefabricated purlin 8.

[0027] The bearing base plate is provided with a plurality of bearing base plate bodies 1 which are arranged closely and fixed. The first plate rib 3 and the wing plate 5 of one bearing base plate body 1 are closely attached to the second plate rib 4 and the wing plate 7 of an adjacent bearing base plate body 1. The first plate rib 3 and the wing plate 5, together with the second plate rib 4 and the wing plate 7, are arranged in cooperation with the factory prefabricated purlin 8 and fixed by screws. Then, it is fixed to the steel purlin bracket 9 by bolts 10 and further fixed to the main structure by welding.

[0028] The bearing base plate body 1 is made by cold pressing of metal thin plates. The material of the bearing base plate body 1 is a steel plate with a thickness of 0.8 mm - 1.2 mm. The material of the factory prefabricated purlin 8 is a galvanized C-shaped steel with a thickness of 2.0 mm - 3.0 mm.

[0029] The working process of the present utility model is as follows:

[0030] First, the first plate rib 3 and the first plate rib wing plate 5 of one bearing base plate body 1 are closely attached and buckled with the second plate rib 4 and the second plate rib wing plate 6 of another one. Then, the factory prefabricated purlin 8 is installed in the first plate rib 3 and fixed by screws to form a combined plate rib structure. Next, the steel purlin bracket 9 is fixed to the combined plate rib structure by bolts 10. Finally, the overall combined bearing base plate is placed on the roof main structure, and the steel purlin bracket 9 is fixed to the roof main structure by welding process.

[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A prefabricated factory-assembled load-bearing bottom plate with combined force, characterized in that: It includes a bearing plate body and prefabricated purlins in the factory; the bearing plate body is provided with a bottom plate, and first and second plate ribs extending upward are respectively arranged on both sides of the bottom plate; the first and second plate ribs are provided with wing plates extending outward from the plate; the bottom plate is provided with reinforcing ribs; the wing plates and the reinforcing ribs are arranged corresponding to each other; the prefabricated purlins in the factory are C-shaped steel purlins, and the first plate rib and wing plate of a bearing plate body are closely attached to the second plate rib and wing plate of an adjacent bearing plate body and are fixed by intermediate screw end bolts.

2. The prefabricated assembled bearing bottom plate with combined force in a factory according to claim 1, characterized in that: The bearing plate is provided with a plurality of bearing plate bodies which are closely arranged and fixed, and the first plate rib and wing plate of a bearing plate body are closely attached and buckled with the second plate rib and wing plate of an adjacent bearing plate body.

3. A prefabricated factory-assembled bearing bottom plate with combined stress according to claim 1, characterized in that: The bottom plate of the bearing plate body is provided with a continuous reinforcing rib.

4. A prefabricated factory-assembled load-bearing bottom plate with combined stress according to claim 1, characterized in that: The prefabricated purlins in the factory and the main structure are fixedly welded through purlin brackets.

5. A prefabricated factory-assembled load-bearing bottom plate with combined force, as described in claim 1, characterized in that: The bearing plate body is cold-pressed from a steel plate with a thickness of 0.8 mm - 1.2 mm.

6. A prefabricated factory-assembled bearing bottom plate with combined force bearing according to claim 1, characterized in that: The prefabricated purlins in the factory are galvanized C-shaped steels with a thickness of 2.0 mm - 3.0 mm.

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