Tracked electric stage curtain opening and closing adopts the domestic first tracked transmission, running smoothly and reliably; stable electronic limit block is used in the motor, the system installation and debugging is simple and reliable, and the built-in control module can realize wireless remote control, dry contact control, bus control; tracked electric stage opening and closing can also be made into arc. The opening and closing stages of the shape track have wider application scope and more stable and reliable operation. Technical reference for open and close curtain motor of caterpillar electric stage: rated voltage AC220 50Hz, rated power 140 W, rated speed 200 rpm, rated torque 6N, reception sensitivity - 110 dBm, protection grade IP41, insulation grade E (thermal protection time is more than 4 minutes), remote control frequency ASK433.92 MHz, load 200 KG.