The brake disc is composed of steel plate, adhesive heat insulation layer and friction block.
The anemometer is generally set with alarm wind speed, if the current wind speed reaches the alarm wind speed, it will send sound and light to alarm; If the current wind speed reaches the control wind speed, the instrument will send a control signal to provide corresponding control processing when the sound and light alarm is issued.
Load moment indicaor, through the display screen, the tower crane lifting height, height, load capacity, torque and wind speed are visually displayed and protected, and sound and light prompts are provided when overload or over torque is approaching.