Title:
CRAWLER TYPE WORKING MACHINE
Document Type and Number:
Japanese Patent JP2022102180
Kind Code:
A
Abstract:
To provide a crawler type working machine capable of inhibiting power loss of an engine being turning slowly.SOLUTION: When an operation amount of a steering lever 35 is larger than a first predetermined amount TH1 and smaller than a second predetermined amount TH2, a bulldozer 1 causes right and left steering clutches 40L and 40R to engage with each other, releases right and left steering brakes 50L and 50R, and causes a swivel motor 80 to drive so that a rotation speed of an inner output shaft 60IN becomes further lower than a rotation speed of an outer output shaft 60OUT as the operation amount of the steering lever 35 increases. When the operation amount of the steering lever 35 is equal to or greater than the second predetermined amount TH2, a controller 100 reduces an engagement rate of an inner steering clutch 40IN and causes an inner steering brake 50IN to perform braking operation.SELECTED DRAWING: Figure 3
Inventors:
YOSHIKAWA TAKASHI
TAKESHIMA HIROAKI
AKIYAMA NAOYA
OKADA SHUNICHI
NAKADA KAZUYUKI
YATSUDA OSAMU
TAKESHIMA HIROAKI
AKIYAMA NAOYA
OKADA SHUNICHI
NAKADA KAZUYUKI
YATSUDA OSAMU
Application Number:
JP2020216761A
Publication Date:
July 07, 2022
Filing Date:
December 25, 2020
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
B62D11/08; E02F9/22
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation