(EN) This tensioner unit A for an auxiliary machine belt is configured to be provided with: a swinging arm (2) that is supported so as to be able to swing on a fulcrum shaft (4); a tension pulley (3) supported by the swinging arm (2); a spring-abutting pin (34) and a damper-abutting pin (41) that are disposed and fixed; a compression coil spring (30) that presses the spring-abutting pin (34) so as to bias the swinging arm (2) with reaction force received from the spring-abutting pin (34); and a hydraulic damper (31) that is attached to the swinging arm (2) so as to be in contact with the damper-abutting pin (41).
(ZH) 本发明对辅机带用张紧单元(A)采用如下结构，即：具备：被支承为能够以支点轴(4)为中心摆动的摆动臂(2)；由摆动臂(2)支承的张紧轮(3)；被固定地设置的弹簧抵接销(34)及阻尼器抵接销(41)；按压弹簧抵接销(34)以便利用从弹簧抵接销(34)受到的反作用力对摆动臂(2)施力的压缩螺旋弹簧(30)；以及以与阻尼器抵接销(41)接触的方式安装于摆动臂(2)的液压阻尼器(31)。
