Electric single-beam crane end beam buffering device easy to replace

The utility model discloses an electric single-beam crane end beam buffer device easy to replace, which comprises a buffer device main body and a mounting part arranged on an end beam, the buffer device main body comprises a back plate, a buffer block arranged on the front surface of the back plate, a hook arranged at the upper end of the back surface of the back plate and a clamping block arranged at the lower end of the back surface of the back plate, a step is arranged at the upper end of the clamping block, a rod body corresponding to the hook is arranged at the upper end of the installation portion, a clamping groove corresponding to the clamping block in shape is formed in the middle of the installation portion, a pressing block is connected to the upper end in the clamping groove in an up-down sliding mode, and the bottom of the pressing block and the step of the clamping block are respectively provided with a hemispheric concave portion and a hemispheric protrusion which correspond to each other. And