Abstract: The present disclosure provides an electric jack with a current limiting protector, which relates to the technical field of mechanical equipment. The electric jack with the current limiting protector includes: a current limiting protector, a four-pin double-reset switch, a control motor, and a supporting leg main body. The current limiting protector is connected in parallel to the control motor through the four-pin double-reset switch. The current limiting protector, the four-pin double-reset switch, and the control motor are detachably mounted on the supporting leg main body. A first wiring terminal, a second wiring terminal, a third wiring terminal, a fourth wiring terminal, a fifth wiring terminal, and a current limiting protection circuit are distributed on the current limiting protector.

Abstract: An electric lifting bed is provided, it includes a frame, a controller, a lifting transmission mechanism, an electric transmission mechanism and a manual transmission mechanism. The electric transmission mechanism includes an electric lifting switch, a motor, a brake and an encoder, the brake is connected to an output shaft of the motor, the encoder is connected to the output shaft of the motor or the transmission rod, the motor is connected with the transmission rod, the electric lifting switch, the motor, the brake and the encoder are electrically connected with the controller respectively. The manual transmission mechanism includes a transmission box, a manual transmission assembly, a manual locking assembly and a manual switching assembly, the manual transmission assembly is connected with the transmission rod, the manual locking assembly is connected with the manual transmission assembly, and the manual switching assembly is connected with the manual locking assembly.