Telescopic boom lever of small crane

The utility model relates to a telescopic boom lever of a small crane. Compared with the prior art, the telescopic boom lever is used for solving the defect that a boom lever of an existing small crane cannot adapt to multiple different environments. The telescopic boom lever is characterized in that a pulley support is fixedly arranged at the upper part of a tumbler sleeve, and a vertical lever pulley is arranged on the pulley support; the tumbler sleeve in the mirror direction of the pulley support is connected with a regulation rope through a connection buckle and a turnbuckle, a boom lever base is fixedly arranged at the lower part of the tumbler sleeve, the boom lever base and the connection buckle are aligned in the vertical direction, a pin hole is formed in the boom lever base, the lower part of an outer boom lever is arranged in the pin hole, an outer boom locating hole is formed in the outer boom lever, an inner boom adjusting hole is formed in an inner boom lever, the lower part of the inner boom l