Reciprocating elevator

The utility model discloses a reciprocating elevator which comprises a support module, a power module, a lift car carrier and a first safety protection mechanism, first sliding rails are installed on the two opposite inner side edges of the support module, and the lift car carrier is arranged on the first sliding rails in a sliding fit mode. The power module is installed on the top of the support module and drives the lift car carrier to reciprocate up and down through a chain. The first safety protection mechanism is mounted on a car carrier and comprises a lifting bolt capable of moving up and down and a safety switch, the top of the lifting bolt is connected with one end of the chain, an elastic element is mounted between the lifting bolt and the car carrier, a shifting plate is mounted on the lifting bolt, the safety switch is provided with a shifting rod, and the shifting rod is connected with the lifting bolt. One end of the shifting rod extends to the position below the shifting plate. According to the