The utility model relates to a can be according to the different and nimble pay -off device who changes the bracing piece of cable internal diameter, including transmission shaft, bearing, regulation dead lever, dead lever, support frame, support, the bearing is installed in the transmission shaft both ends, be provided with the bearing draw -in groove on the support, the bearing with bearing draw -in groove joint, at least, correspond on the transmission shaft and set up three pairs of regulation dead levers and dead lever, it evenly sets up around transmission shaft and perpendicular to transmission shaft to adjust dead lever and dead lever, be provided with drilling above the regulation dead lever, the support frame includes bracing piece and fixed sleeving, the one end of bracing piece with drilling fixed connection, the other end with fixed sleeving vertical welding, the fixed sleeving cup joints with the dead lever. Through changing the support frame among the pay -off device in a flexible way, the utility model discloses can satisfy the different work condition requirement, the flexible operation conveniently occupies less space, has also reduced the cost requirement of deaing with multiple operating mode simultaneously.