1. Stability
The stability of the four-pivot electric forklift is better than that of the three-pivot electric forklift, but both types of forklifts must undergo strict stability tests before leaving the factory. my country's relevant forklift standards stipulate that forklifts should perform four stability tests on the tipping test bench, including: longitudinal stability when the forklift is fully loaded, longitudinal stability when fully loaded, and lateral stability when fully loaded. , Lateral stability during no-load driving. In the stability test of the three-pivot and four-pivot forklifts, the stability and data requirements of the tipping angle are exactly the same, so the safety of the three-pivot forklift can be guaranteed.
2. Turning angle
Due to the structure, the four-pivot electric forklift cannot achieve in-situ steering, so the turning radius is large, and the channel required for operation in the roadway is wider. In contrast, the three-pivot electric forklift can achieve 90° in-situ steering, making it lighter and more flexible to work indoors.
Taking the 1.5-ton electric forklift as an example, the turning radius of the three-pivot electric forklift is 1493mm, which is 357mm smaller than the 1850 of the four-pivot electric forklift. , The stacking channel of the four-pivot electric forklift is 3600-3700mm. It can be seen that the passage requirements of the three-pivot electric forklift are greatly reduced, which saves storage space; when working in the warehouse, because of the flexible steering, the driver does not need to use more energy to avoid the shelves, the operation is more labor-saving, and the labor intensity is reduced.
3. Procurement cost
The design of the three-pivot electric forklift is small and compact, and generally uses the European standard battery, which is expensive. At the same time, the 90° steering of the three-pivot 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-pivot electric forklift is lower than that of the three-pivot forklift because it adopts mature supporting facilities. Therefore, the price of a three-pivot electric forklift of the same tonnage is higher than that of a four-pivot electric forklift.
4. Application space
Three-pivot electric forklifts can save nearly 30% of storage space compared to four-pivot electric forklifts. In foreign countries, the proportion of three-pivot forklifts in 1-1.5-ton electric forklifts is larger than that of four-pivot electric forklifts. In the past two years, domestic users have gradually realized the advantages of the three-pivot forklift, and the application ratio has increased year by year.
5. Handling load
When selecting the type of forklift, the user should choose a three-pivot electric forklift when handling goods less than 2 tons in the warehouse; when handling goods larger than 2 tons, due to the limitation of stability, a four-pivot electric forklift can be considered.
