Blade static balance measuring support, device, method and system and matching system

The invention discloses a blade static balance measuring support, device, method and system and a matching system, the measuring support comprises a support rod group, and the support rod group comprises a first support rod, a second support rod and a third support rod; and the measuring device comprises a base, a weighing device and the blade static balance measuring support. The measuring method comprises the steps of obtaining a metering result of the weighing device, adjusting the position of the balancing weight to enable the support rod where the balancing weight is located to be in a horizontal state, obtaining the weight of the balancing weight, the distance between the balancing weight and the original point of the coordinate axis and the distance between the fulcrum and the original point of the coordinate axis, wherein the fulcrum is the position where the support rod group contacts with the weighing device, and according to the metering result, the weight of the balancing weight, the distance from