Rocker arm convenient to maintain

The utility model relates to a rocker arm convenient to maintain, which comprises rocker arms, a ratchet wheel and a pawl, the two sides of the ratchet wheel are movably connected with the rocker arms, the pawl meshed with the ratchet wheel is movably connected between the two rocker arms, and the ratchet wheel is provided with cylindrical protrusions matched with the rocker arms and the outer rocker arm. Two semicircular sleeves are detachably arranged in a gap between the rocker arm and the cylindrical protrusion, and the two semicircular sleeves can form a complete shaft sleeve. The detachable semicircular sleeve is arranged between the rocker arm and the ratchet wheel to replace friction between the rocker arm and the ratchet wheel, the rocker arm or the ratchet wheel does not need to be detached after abrasion, only the semicircular sleeve needs to be directly replaced, and maintenance is convenient. 本实用新型涉及一种便于维护的摇臂，包括摇臂、棘轮和棘爪，所述棘轮的两侧均活动连接有摇臂，两个摇臂之间活动连接有与棘轮啮合的棘爪，所述棘轮上设置有与摇臂和外摇臂配合的圆柱凸起，所述摇臂与圆柱凸起之间的间隙内可拆卸