Shandong Chaoyu Shelf Co., Ltd.

The characteristics and applications of beam racks



There are many types of storage racks, such as laminate racks, through racks, cantilever racks, loft racks, etc., but beam racks are undoubtedly one of the more widely used types of racks, which can be used in almost all walks of life. Below, I will give you a brief introduction to the characteristics and applications of the lower beam shelf.
The beam type rack is also called the pallet type rack or the position type rack. It has a simple structure and is mainly composed of uprights and beams. The column is cold-rolled by a continuous punching and rolling mill. The column piece is a fabricated structure. The crossbeam and the column are plug-in connection, and are equipped with a safety pin with strong self-locking ability to ensure the shelf use and forklift operation process The safety and reliability of the connection between the middle beam and the column. The uprights are connected to the ground through anchor screws to ensure the stability of the shelf in use. The shelf height is usually 75mm and the pitch can be adjusted arbitrarily, and the load of each layer of the unit shelf can be up to 4000 kg; the goods are placed on the pallet, and the forklift equipment is used for storage and retrieval, which is convenient and flexible for storage. The size of the beam rack is determined according to the size and weight of the storage rack and the size of the matching pallet. For example, the size of the matching pallet is 1200*1200. Two pallets are placed on each layer. Each pallet does not contain a pallet with a height of 1000. Normally, the unit shelf The length and width dimensions are 2700*1000, and the net height of each layer is about 1400. The unit shelf span is generally within 4m and the depth is within 1.5m. Generally, the shelf height of high-level warehouses is within 12m, and the shelf height of super-high-level warehouses is generally within 30m (such warehouses are basically automated warehouses).
The reason why the beam rack is one of the most widely used rack types in all storage racks is that its price is relatively low, and it can be applied to the storage and retrieval of various goods, and it is arbitrary storage and retrieval of goods. In addition, beam racks can be transformed into other types of racks by adding some components. For example, adding beams and laminates on the ground floor can become laminate racks. Adding beams and fluent strips can become fluent strip racks. Building a shelf platform on the basis, etc., provides a lot of convenience for many beam customers in the later shelf transformation. However, beam racks also have their shortcomings. They are limited by the use of forklifts of different types and sizes, requiring a large number of forklift channels (from about 3 meters to more than 5 meters) in the site, resulting in a higher utilization rate of the site compared to other rack types. Low.
There are many accessories for beam type racks, such as corner guards used to protect the shelves, I-shaped blocks, single-shaped blocks, net laminates, wood laminates, etc. to increase the force area of ​​the goods and pallets to protect the safe back of the goods. Retaining nets, etc., these accessories can greatly improve the stability and safety of the personnel and goods of the beam rack in use, so that the beam rack can better serve our customers.

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Three-dimensional warehouse shelves refer to the shelves used to place goods in the warehouse, which is widely used in industrial warehouses. Three-dimensional warehouse shelves focus on the upward development, make full use of the storage space of the warehouse, his height can reach more than 40 meters, and ordinary shelves are only 3~5 meters, according to the classification of structure, three-dimensional warehouse shelves can be divided into beam shelves, Corridor shelves, gravity shelves, attic shelves and so on. The next step is to analyze the types of three-dimensional warehouse shelves with you one by one, to help you have a deeper understanding of three-dimensional warehouse shelves. In the three-dimensional warehouse shelves, the beam shelf is more convenient and faster in the storage of goods, which ensures that any kind of goods are first-in, first-out and there is no restriction of the type of forklift truck. It can pick up goods at a faster speed. Its space utilization rate can be as high as 30%~50%, and the specific utilization rate is determined by the type of forklift truck. Which is usually the shelf of its storage density is relatively high, is advanced after the type of part, when the pick up has 20%~30% of the space utilization rate, but in fact, the pick up speed is relatively general, its storage space can reach 60% of the overall warehouse, that is to say, it can make full use of 60% of the space. Gravity shelf, its working efficiency is relatively high, and the density is very high, at present. Secondly, the free access type design is adopted. The circulation rate of inventory is very high, and the goods can be picked up according to the order. The speed of picking up goods is relatively fast. Usually for 2 to 3 layers can be designed to lift goods elevator and stairs and simple attic shelves, in fact, the use of double column as a support part of the risk or card can be applied to some warehouses, relatively high, at the same time the goods are relatively light, the need for artificial storage warehouse, when the inventory is relatively large, you can use the elevator or hydraulic lifting platform. Cantilever shelf is an important kind of shelf in the three-dimensional warehouse. Cantilever shelves are suitable for storing long materials, ring materials, plates, pipes and irregular goods. Cantilever can be single-sided or double-sided, cantilever shelf has stable structure, good load capacity, high space utilization. Cantilever shelf column mostly uses H beam or cold rolled beam, cantilever uses square tube, cold rolled beam or H beam, cantilever and; The column is inserted or bolted, the base is bolted to the column, and the base is made of cold-rolled section steel or H-section steel.

In the design of lightweight shelf specifications, should consider the use of requirements, equipment conditions, load weight, material supply and installation conditions and other factors. The dimensional tolerance, deformation and clearance of the light shelf shall meet the relevant standards. Light shelves should be used correctly. Goods should be placed according to load-bearing shelves. Avoid collision between forklift trucks and shelves. It is best to configure anti-collision Angle, anti-collision bar and other anti-collision equipment. Locking devices must be provided at both ends of each beam of the light shelf so that the beam can be firmly fixed to the column to prevent separation due to upward force. In order to ensure the meshing of the beam and its locking device, the normal operation of the beam lock or the fastening of screws and nuts should be checked regularly during use, and the damaged device should be replaced in time. The installation site should be smooth, without ground depression and inequality. The column feet of light shelf posts should be properly fixed on the concrete foundation, while heavy shelves need to be fixed with tension and explosion-proof screws that are closely connected to the ground. The settlement value of light shelf foundation should be strictly controlled to ensure the normal use of shelf structure. In the design of non-integrated warehouse shelf, attention should be paid to the separation of shelf foundation and building column foundation, so as to prevent the damage of the warehouse shelf structure caused by the force.