Title:
HYDRAULIC CIRCUIT OF JAW CRUSHER
Document Type and Number:
Japanese Patent JP2007075718
Kind Code:
A
Abstract:
To provide a hydraulic circuit of a jaw crusher capable of preventing the hold pressure of a hydraulic cylinder for holding an outlet gap adjusting member from being dropped by the leak of the hydraulic cylinder itself even when outlet adjustment work is not performed for a long period of time in a jaw crusher.
There is provided a pressure introduction circuit C for introducing the driving pressure or the brake pressure of a hydraulic motor 10 for a crusher to a hydraulic cylinder 22 for adjustment via a pressure reducing valve 47, and the drop of the hold pressure of the hydraulic cylinder 22 for adjustment is prevented by the pressure introduced from the pressure introduction circuit C.
Inventors:
KUWABARA TOSHIO
IWASHITA MASARU
MATOBA NOBUAKI
IWASHITA MASARU
MATOBA NOBUAKI
Application Number:
JP2005266370A
Publication Date:
March 29, 2007
Filing Date:
September 14, 2005
Export Citation:
Assignee:
CATERPILLAR MITSUBISHI LTD
International Classes:
B02C1/02
Domestic Patent References:
| JPH0518650U | 1993-03-09 |
Attorney, Agent or Firm:
Tetsuo Hirose