Pin shaft taking and pulling device

The utility model provides a taking and pulling device of a pin shaft, which comprises a shell, the shell comprises an upper end part and a hollow lower end part, a lifting device is arranged in the upper end part, the lower end of the lifting device is provided with a fixed block, the center of the fixed block is provided with a threaded hole penetrating through the fixed block, the threaded hole is in threaded connection with a connecting rod, and the connecting rod is in threaded connection with the lifting device. According to the taking and pulling device for the pin shaft, the fixing block ascends and descends through the lifting device, the connecting rod is connected to the fixing block in a threaded mode, the lower end of the shell is hollowed out, and when the fixing block descends, the connecting rod on the fixing block is connected into the screw hole of the pin shaft in a threaded mode through a hand, namely the connecting rod is connected with the pin shaft in a threaded mode, and the upper end