Comparison of three-point and four-point electric forklifts

Today, our technical department made a comparison of three-point and four-point electric forklifts as follows: 　1. Stability The stability of four-point electric forklifts is better than that of three-point electric forklifts, but both types of forklifts must be strictly stabilized before leaving the factory. Sex test. my country's relevant forklift standards stipulate that the forklift shall undergo four stability tests on the tipping test bench, including: the longitudinal stability of the lithium pallet truck when fully loaded and stacked, the longitudinal stability when fully loaded, and the lateral stability when fully loaded. , Lateral stability during no-load driving. In the three-point and four-point forklift stability tests, the tilt angle stability and data requirements are exactly the same, so the safety of the three-point lithium pallet truck can be guaranteed.　　2. Turning angle 　　 Due to structural reasons, the four-point electric forklift cannot realize in-situ steering, so the turning radius is large, and the passageway required for operation in the tunnel is relatively wide. In contrast, the three-pivot electric pallet truck can realize 90° in-situ steering, and it is more convenient and flexible to work indoors. Take a 1.5-ton electric forklift as an example. The turning radius of the three-point electric pallet truck is 1493mm, which is 357mm smaller than the 1850 of the four-point electric forklift. Depending on the size of the pallet, the stacking channel requirements of the 1.5-ton three-point electric forklift are 3000—3300mm. , The stacking channel of the four-point electric forklift is 3600-3700mm. It can be seen that the channel requirements of the three-point electric forklift are greatly reduced, saving storage space; when working in the warehouse, because of the flexible steering, the driver does not need to spend more energy to avoid the shelves, the operation is more labor-saving, and the labor intensity is reduced.　　3. Purchase cost　　The design of the three-point electric forklift is small and compact. Generally, the European standard battery is used and the cost is high. At the same time, the 90° steering of the three-point electric forklift needs to use a slewing bearing that can support the rotation of the rear wheel, so the cost of the whole vehicle is high. The cost of the four-point electric forklift is lower than that of the three-point forklift because of its mature supporting equipment. Therefore, the price of a three-point electric forklift with the same tonnage is higher than that of a four-point electric forklift.　　4. Application space　　The three-point electric forklift can save nearly 30% of the storage space compared to the four-point electric forklift. In foreign countries, the proportion of the three-point forklift in the 1-1.5 ton electric forklift is larger than the four-point electric pallet truck. In the past two years, domestic users have gradually realized the advantages of three-point forklifts, and the proportion of applications has increased year by year. 5. When selecting the type of forklift, the user should choose a three-point electric forklift when moving goods less than 2 tons in the warehouse; when handling goods larger than 2 tons, due to stability constraints, consider choosing a four-point electric forklift. .
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