Title:
ショベル及びショベルの制御方法
Document Type and Number:
Japanese Patent JP7114586
Kind Code:
B2
Abstract:
An excavator according to an embodiment of the present invention includes a lower travelling body (1); an upper turning body (3) mounted on the lower travelling body (1); a main pump (14)installed in the upper turning body (3); a travelling hydraulic motor (20) that is a variable displacement type motor configured to move the lower travelling body (1) by being driven by hydraulic oil discharged by the main pump (14); and a controller (30) configured to control a motor capacity of the travelling hydraulic motor (20) so as to be switchable between a plurality of levels. The controller (30) switches the motor capacity of the travelling hydraulic motor (20) to a low rotation setting upon detecting that an operation for changing a travelling direction of the lower travelling body (1) is performed.
Inventors:
Maeda Norio
Masaki Makino
Engineering Tanaka
Masaki Makino
Engineering Tanaka
Application Number:
JP2019527672A
Publication Date:
August 08, 2022
Filing Date:
June 29, 2018
Export Citation:
Assignee:
Sumitomo Construction Machinery Co., Ltd.
International Classes:
B62D11/04; E02F9/22; F15B11/02
Domestic Patent References:
| JP2008248981A | ||||
| JP2010178630A | ||||
| JP2005121074A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito