This creation provides a kind of hand-supporting device of self-control position,To support user's hand,Hand injuries caused by avoiding because of long-time hanging operation,The hand-supporting device includes: fixing seat,System is by the component in the fixed what use environment of hand-supporting device； Cylinder,It is fixed in the fixing seat,Position appropriate is installed with pulley part thereon,Rope is arranged on pulley part,With erecting by overhang element； Support portion,It hangs in one end of rope,To support hand arbitrarily to move in appropriate range,Including composite motion unit,It is slidably engaged with cylinder,The freedom of motion of multiaxis is provided； And support hand unit,It is arranged on composite motion unit,One end far from cylinder,Opposite what horizontal plane has inclined freedom degree,To support hand； And counterweight part,The other end in rope is hung,It include clump weight,To the weight in balanced support portion,And provide the strength of support hand； Thereby,Around pulley part,The weight that the weight of clump weight can balance the support portion of the payment connection what rope other end puts the weight on what support hand unit plus hand,So that the hand of user is in any position,Including horizontal and vertical,All held by a fixed strength without tired,And support hand unit can closely follow the movement of hand and move,It is not required to carry out any position adjustment in advance.本創作提供一種自我調節位置的手部支撐裝置，用以支撐使用者手部，避免因長時間懸空作業造成手部傷害，該手部支撐裝置包括：固定座，係為將手部支撐裝置固定於使用環境中之構件；柱體，固定在該固定座上，其上適當的位置固設有滑輪件，滑輪件上繞設有繩索，以吊掛裝置元件；支撐部，吊掛在繩索的一端，用以支撐手部在適當的範圍內任意移動，包括複合運動單元，與柱體滑動接合，提供多軸的運動自由度；以及托手單元，設置在複合運動單元之上，遠離柱體的一端，相對於水平面有傾斜的自由度，用以承托手部；以及配重部，吊掛在繩索的另一端，包括有配重塊，用以平衡支撐部的重量，並提供支撐手部的力量；藉此，繞過滑輪件，配重塊的重量可以平衡抵銷連接於繩索另一端的支撐部的重量加上手部置放於托手單元上的重量，使得使用者的手部在任何位置，包括水平及垂直，皆受一固定力量托住而不疲累，而且托手單元會緊跟隨著手部的移動而移動，不需事先進行任何位置調整。
