A CRANE FOR MOUNTING SMALL AND MEDIUM CARS

摘要

A crane mounted on medium and small cars having a supporting part(1) consisted of a bottom flange(11), a column(12) and a rotary supporting pipe(13); a swivel part(2) inserted to said supporting pipe(13) and having a motor(22) (re)winding a wire(22b) connected to a hook(22a) to be rotated along circumferential surface of said column(12); and a traction part(3) hinged to said swivel part(2) and having a roller(31) reducing the friction of the wire(22b) and a boom(33) having a traction pin(32) engaged to said hook(22a) is disclosed. Variable support fixing stand(4) selectively mounted to hinges(33a,33b) of said traction part(3) is mounted to a rotating instrument(24) attached to said column(12). Another detachable assistant stand(5) is mounted in lower part of said column(12). Thereby, anyone can assemble the crane by bolt and nut without remodeling of prior car, and it is possible to drive the crane with simple switch operation.