| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving device of a jaw crusher which securely fixes a fluid pressure motor to a base frame and a fly wheel of a jaw crusher and unfailingly transmits driving torque to a rotary driving shaft to conduct fracturing.SOLUTION: A jaw crusher includes: an anchor tooth; a movable tooth; a rotary driving shaft 12 rotatably supported by a base frame; and a pair of fly wheels provided in the rotary driving shaft. A driving device of the jaw crusher includes: a fluid pressure motor 20 in which a rotary shaft part 21 may rotate relative to a motor body 22 when a pressure fluid is supplied thereto; a connection body 40 for connecting one fly wheel 13 of the pair of fly wheels with the rotary shaft part 21; and a torque arm body 30 which is provided between the base frame and the motor body and prevents the motor body from rotating in a circumferential direction of an axis line of the rotary driving shaft 12. |
