Stop device of take -up pulley

The utility model provides a stop device of take -up pulley belongs to mechanical technical field. It has solved current take -up pulley adjustment mechanism technical problem such as can not dismantle. This stop device of take -up pulley is including installation piece and cam, sets up the recess of the left surface that runs through the installation piece on the leading flank of installation piece, and the cam rotates to connect and goes up and be located the recess at the installation piece, and the left margin of cam stretches out in the recess, still is fixed with the jack catch in the installation piece. The utility model discloses can dismantle after spacing the take -up pulley, can not increase the weight of engine, can satisfy the lightweight requirement of engine. 本实用新型提供了种张紧轮的限位装置，属于机械技术领域。它解决了现有张紧轮调节机构不能拆卸等技术问题。本张紧轮的限位装置包括安装块和凸轮，安装块的前侧面上开设有贯穿安装块的左侧面的凹槽，凸轮转动连接在安装块上且位于凹槽内，凸轮的左边沿从凹槽内伸出，安装块上还固定有卡爪。本实用新型在对张紧轮限位之后能够拆卸，不会增加发动机的重量，能够满足发动机的轻量化要求。