A method of manufacturing steel platform shelves with primary and secondary beam structures
2026-09-14 16:29:22
The structure of the steel platform shelf can be considered from two aspects: stress characteristics and structure: the load is transmitted from the plate to the secondary beam, then to the main beam, and then from the main beam to the column. Therefore, the main beam is usually stacked on the column, the secondary beam is stacked on the main beam, the main beam is hinged or plugged with the main beam, and the main beam and the column are just connected. As the main storage rack for large goods, the greater the load-bearing capacity of the steel platform rack, the more conducive it is to improving its load-bearing complexity and saving the space required for goods storage. Most of the existing steel platform shelves are welded steel frames, and it takes a lot of time to weld during the assembly process. At the same time, it is difficult for users to choose the base of steel usage based on personal needs, which can easily lead to waste and unnecessary use.
The purpose of this utility model is to provide a steel platform shelf with a primary and secondary beam structure to solve the problems raised in the above background technology. In order to achieve the above purpose, the utility model provides the following technical solution: a steel platform shelf with a primary and secondary beam structure, including a main frame. The main frame includes a Z-direction support bar. An X-direction main beam and a Y-direction main beam are welded in the middle of the Z-direction support bar. A middle main beam is evenly welded between the Y-direction main beams. There are even slots on the front side of the X-direction main beam, and pressure plates are hinged on the upper and lower sides of the slot. The front and rear end faces of the secondary beam are close to the pressure plate, and the outer surface of the pressure plate is close to the pad; there are screw holes at both front and rear ends of the secondary beam; the bolts inserted into the middle of the pad are screwed into the screw holes; there is a buffer sleeve in the middle of the sub-beam; a storage plate is placed on the upper part of the middle main beam. The steel platform shelves have steps welded to the left side of the Z-direction column, and anti-slip pads are adhered to the upper surface of the steps. The cushion cover of the steel platform shelf includes an upper cushion cover and a lower cushion cover, both of which are closely attached to the middle of the outer surface of the secondary beam, and the pins are inserted into the front and rear sides of the upper cushion cover and the lower cushion cover. They are clamped to each other through the pins, and the upper surface of the upper cushion cover is closely attached to the lower surface of the placement plate. Preferably, the fixing plate is welded to the lower end of the Z-direction column. Preferably, the protective cover is welded to the upper end of the Z-direction column. Preferably, the size of the backing plate is larger than the distance between the two pressure plates.
Compared with the existing technology, the utility model has the following beneficial effects: a steel platform shelf with a primary and secondary beam structure. The plug-in secondary beams used in the steel platform shelves can be purchased and installed by users according to personal needs. The installation method is simple and does not require the use of electric welding. Even if the steel platform shelf is currently in use, the secondary beams can be installed at any time. After installation, compared with the traditional fixation method of electric welding after insertion, bolt fixing is simpler and safer. There is no need to worry about the problem that electric welding installation beams may ignite the goods. The connection strength of the laminated structure can reach the standard of general frame structures, which facilitates the transformation of warehouse steel platform shelves and also reduces the welding time when installing new shelves.
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