Product Descriptio

Theory

1. Mechanical transmission: The excavator operating handle usually uses mechanical transmission to convert the movement of the handle into corresponding mechanical signals. The movement of the handle can be rotation, push or pull. Mechanical transmission converts the movement of the handle into mechanical signals through mechanical devices such as connecting rods, rods and gears.

2. Hydraulic system: The mechanical signal will be further transmitted to the hydraulic system of the excavator. The hydraulic system consists of hydraulic pumps, hydraulic valves and hydraulic cylinders. The hydraulic pump is responsible for generating high-pressure liquid, the hydraulic valve is used to control the flow direction and flow rate of the liquid, and the hydraulic cylinder implements corresponding actions based on the control signal of the hydraulic system.

3. Control signal: The mechanical signal is converted into a control signal in the hydraulic system, and the flow of liquid is controlled through the hydraulic valve to drive the action of the hydraulic cylinder. Different handle operations correspond to different control signals. For example, pushing the handle forward can control the forward movement of the excavator, rotating the handle can control the rotational movement of the excavator, and pulling the handle can control the expansion and contraction of the excavator's arm and bucket.

4. Execution of actions: The hydraulic system drives the hydraulic cylinder to implement corresponding actions according to the action of the control signal. For example, when the handle is pushed forward, the hydraulic system causes the excavator to move forward; when the handle is rotated, the hydraulic system causes the excavator to rotate; when the handle is pulled, the hydraulic system causes the excavator's arm and stick to extend and contract.

5. Through the cooperation of mechanical transmission and hydraulic system, the excavator operating handle can convert the operator's handle movement into mechanical signals, and realize the action control of various parts of the excavator through the hydraulic system. This allows the operator to control the movement and operation of the excavator through the handle.

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