Integral dropper of loop type bolt-free wire clamp

The integral dropper comprises a dropper line, and the upper end and the lower end of the dropper line are connected with a carrier cable clamp and a contact wire clamp through heart-shaped retaining rings respectively. Each of the carrier cable clamp and the contact wire clamp comprises a first wire clamp piece and a second wire clamp piece which are oppositely arranged; the front end and the rear end of the first wire clamp piece and the front end and the rear end of the second wire clamp piece are each provided with a wire clamp positioning part, pin shaft holes are formed in the wire clamp positioning parts, and all the pin shaft holes of the first wire clamp piece and the second wire clamp piece are communicated and penetrate through a pin shaft in a matched mode. The upper ends of the first wire clamp piece and the second wire clamp piece are butted in an abutting manner, and jaw parts are formed at the lower ends of the first wire clamp piece and the second wire clamp piece; a current-carrying ring is