When the piston rod is impacted, the piston rod drives the piston to squeeze the hydraulic oil in the inner pipe. After the hydraulic oil is pressurized, it is discharged one by one from the oil discharge holes of the inner pipe, and part of the discharged hydraulic oil returns to the inner pipe through the oil return hole. , and the other part enters the pressure accumulating sponge.
After the external force disappears, the spring quickly pushes the piston rod to reset, negative pressure is formed in the inner tube, the check valve opens automatically, the hydraulic oil quickly returns to the inner tube through the opened check valve, and the buffer returns to its initial state, waiting for the next action.
The hydraulic shock absorber of Liyond company is to stop the moving object smoothly according to the above principle.
It has the characteristics of small size, light weight, convenient installation, beautiful appearance, reliable performance, short stroke of micro buffer, and wide range of available speeds.
Oil buffer is an ideal buffer element for vacuum circuit breakers and other products, and has been widely used in various vacuum circuit breakers such as ZN85.
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