Patent ID: 8308579

Claim:
A suspension device for an electric swing, the suspension device comprising: a) a supporting beam; b) a supporting bracket; c) a suspended body; d) a suspended swing stem; e) a gear motor; f) an electromagnetic clutch; g) a torque output plate; h) a swing push rod; i) a swing direction monitor; j) a safety switch; k) a microcomputer controller; and l) a ball bearing; wherein the supporting beam, the supporting bracket, and the suspended swing stem cooperate to bear the suspended body; said ball bearing is fixedly connected with said suspended swing stem and said supporting beam; the bottom of the suspended swing stem is mechanically connected with the suspended body; the gear motor is mechanically connected with a mounting plate fixedly arranged on the supporting beam; the electromagnetic clutch is mechanically connected with the gear motor; the torque output plate is flexibly coupled with the electromagnetic clutch; the direction switching pendulum weight is mechanically connected with the mounting plate; the swing direction monitor is coupled with a bearing of the suspended swing stem or a shaft of the suspended swing stem; the swing push rod is mechanically connected with at least two suspended swing stems; the microcomputer controller is electrically connected with the swing direction monitor, the gear motor, and the electromagnetic clutch; and the microcomputer controller controls the turn on/off of a power supply of the gear motor and the electromagnetic clutch.