Title:
EXCAVATION AND AGITATION DEVICE
Document Type and Number:
Japanese Patent JP2019065604
Kind Code:
A
Abstract:
To provide an excavation and agitation device which uniformly agitates and mixes excavated soil and a chemical while preventing generation of corotation phenomenon.SOLUTION: An excavation and agitation device comprises: excavation blades 31 including a plurality of blades 33 extending in a radial direction with respect to a rotation center; a plurality of arms 35 respectively disposed above the plurality of blades 33 and extending in the radial direction from the rotation center; first agitation blades disposed at a plurality of positions in a rotation axis direction of the excavation blades 31 between the plurality of arms 35 and the excavation blades 31 and rotating in a direction opposite to the excavation blades 31; connection portions 36 which include intake portions 36a taking soil excavated by rotation of the excavation blades 31 in toward the first agitation blades and having a shape tapering-off toward tip sides of rotation direction of the excavation blades 31 and which connects tip portion of each arm in the plurality of arms 35 with tip portions of each blade included by the excavation blades 31; and corotation preventing blades provided in the connection portions 36 and extending between movement loci of the first agitation blades neighboring in the rotation axis direction of the excavation blades 31 among the first agitation blades.SELECTED DRAWING: Figure 3
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Inventors:
SHINMACHI SHUICHI
WATANABE MOTOJI
OKUNO RINTARO
WATANABE MOTOJI
OKUNO RINTARO
Application Number:
JP2017192959A
Publication Date:
April 25, 2019
Filing Date:
October 02, 2017
Export Citation:
Assignee:
JAPAN FOUND ENG
International Classes:
E02D3/12
Domestic Patent References:
| JP2008057255A | 2008-03-13 | |||
| JP2002332631A | 2002-11-22 | |||
| JP2006144464A | 2006-06-08 | |||
| JP2001200531A | 2001-07-27 | |||
| JPH05171635A | 1993-07-09 | |||
| JP3148363U | 2009-02-12 | |||
| JP2006219842A | 2006-08-24 | |||
| JP2014122495A | 2014-07-03 |
Attorney, Agent or Firm:
Furuya Fumio
Akira Kano
Takeshi Ohashi
Yoshio Kawada
Akira Kano
Takeshi Ohashi
Yoshio Kawada