Jaw crusher

Abstract

A jaw crusher in which in adjusting an outlet gap, manual releasing and applying operations for a tension force of a tension rod are not necessary, and repair of rough of a contact surface between a toggle block and a wedge and frequency of replacement thereof can be reduced. An outlet gap adjusting apparatus for automatically adjusting an outlet gap, the apparatus capable of securing a space required for maintenance on the back frame side of a swing jaw. A tension spring 21 for applying a tension force to a tension rod is compressed on the counter swing jaw 6 side of a back frame 4 of the jaw crusher 1, and a tendon spring compression cylinder 23 for releasing a compression force is provided. A wedge operating cylinder 17 for inserting a wedge 15 into a gap formed between an inclined surface 12a of a toggle block 12 moved toward the swing jaw 6 by a gap adjusting cylinder 13 provided on the counter swing jaw 6 side of the back frame 4 and the back frame 4 is mounted on a cylinder support 16 provided on a back frame horizontal rib 11. A wedge operating cylinder 17 and a wedge 15 can be freely connected and disconnected by mounting and removing a pin mounting means 19. The wedge operating cylinder 17 is inclined after the pin mounting means 19 has been removed whereby the space required for maintenance can be secured on the back frame side of the swing jaw 6 of the jaw crusher 1.

Dependencies are inferred from the claim text.