Composition of the Travel System

The driving system of a forklift generally consists of an axle, a frame, a wheel and a suspension.

1. Frame

The frame is the base of the entire forklift, and its function is to support and transmit force. All assemblies and components of the forklift are directly or indirectly mounted on the frame. When the forklift is stationary, the frame bears the static load of most equipment and goods; when the forklift travels and operates, the frame also bears the dynamic load. In order to ensure the correct relative position of each component on the frame, the frame should have sufficient strength and rigidity. The shape of the frame should make the center of gravity of the forklift as low as possible and enable the steering wheel to obtain as large a steering angle as possible to ensure the stability and maneuverability of the forklift.

At present, there are basically two forms of forklift frame structure, namely box-type frame and articulated frame. Common forklifts use box-type frames, while off-road forklifts mostly use articulated frames.

2. Wheels

Wheels and tires are important components of the forklift travel system parts. Forklifts rely on the rolling of the wheels to operate. The wheels not only support the weight of the whole vehicle, but also generate traction, braking force and lateral force through the adhesion of the tires to the road surface to ensure the normal walking and steering of the forklift.

Forklifts use elastic wheels fitted with tires. Tires are divided into pneumatic tires, solid tires and semi-solid tires. Different tires have different wheel structures and performances. Pneumatic tires have good elasticity and adhesion, can absorb vibration and shock, can walk on various roads, and are the most widely used.

3. Suspension

The function and type of suspension Suspension, also known as suspension, is the connecting rod device between the axle and the frame. Its function is to connect

Connect the axle and the frame, and transmit the vertical reaction force of the road caused by the load, the longitudinal reaction force caused by the traction or braking, the lateral reaction force caused by the steering, and the moment caused by these reaction forces. The elastic elements in the suspension can cushion shocks,

Shock absorption to ensure occupant comfort and avoid damage to goods and parts.

There are two types of suspensions: those that connect the axle and the frame with leaf springs or other elastic elements are called elastic suspensions; those that connect the axles and the frame with bolts or hinge shafts are called rigid suspensions. commonly used.

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