Title:
破砕装置
Document Type and Number:
Japanese Patent JP7054512
Kind Code:
B2
Abstract:
To provide a crusher capable of maintaining a safe state, by preventing falling of an operator for executing maintenance work of the device, by adjusting an opening degree of a passage for passing a crushing object toward a crushing chamber between an immobile tooth and a mobile tooth when necessary.SOLUTION: A blocking-up body 16 is provided above a crushing chamber 19 so that at least a part becomes vertically movable, and when requiring maintenance work such as the upper side of the crushing chamber 19 is blocked up by a crushing object 80, at least the part of the blocking-up body 16 is moved downward, and is positioned in the middle of a passage for turning the crushing object 80 to the crushing chamber 19, and an opening degree of the passage communicating with the crushing chamber 19 is reduced, and since an entrance of an operator into the crushing chamber 19 is checked, a part of the body of the operator does not enter by mistake into the crushing chamber 19 in work, so that forced crushing work and removal work of the crushing object by the operator are advanced in a state of securing safety of the operator.SELECTED DRAWING: Figure 7
Inventors:
Takaki Hiroshima
Tomohiro Tachikawa
Tomohiro Tachikawa
Application Number:
JP2018003424A
Publication Date:
April 14, 2022
Filing Date:
January 12, 2018
Export Citation:
Assignee:
Nakayama Iron Works Co., Ltd.
International Classes:
B02C23/04; B02C1/02; B02C21/02
Domestic Patent References:
| JP8196934A | ||||
| JP2007268396A | ||||
| JP2001062318A | ||||
| JP2005021747A | ||||
| JP2007301500A | ||||
| JP2004248702A | ||||
| JP5184959A | ||||
| JP63118490A | ||||
| JP3500856A | ||||
| JP62027747U |
Foreign References:
| KR1020050019992A |
Attorney, Agent or Firm:
Yasuo Hirai