Steering device

• Main Authors: YAMADA NOBUSUKE, MASUDA HIROKI, CAI GUANHUA, AOYAMA MASASHI, SHIMODA KATSUMI, ITO TAKUZO, KITTA SHIN
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2023
• Subjects: LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; TRAILERS; TRANSPORTING

An electric power steering device (100) is provided with: a first pinion (16) that is provided to a steering shaft (11) and rotates together with the steering shaft (11); a drive shaft (22) rotationally driven by the electric motor (21); a second pinion (23) that is provided to the drive shaft (22) and rotates together with the drive shaft (22); a first biasing mechanism (60) that biases the rack shaft (12) toward the first pinion (16); and a second biasing mechanism (70) that biases the rack shaft (12) toward the second pinion gear (23), a first holding force that biases the rack shaft (12) by the first biasing mechanism (60) and holds the first pinion gear (16) on the rack shaft (12) being different from a second holding force that biases the rack shaft (12) by the second biasing mechanism (70) and holds the second pinion gear (23) on the rack shaft (12). 电动动力转向装置(100)具备：第一小齿轮(16)，其被设置于转向轴(11)，并与转向轴(11)一起进行旋转；驱动轴(22)，其通过电动马达(21)而被旋转驱动；第二小齿轮(23)，其被设置于驱动轴(22)，并与驱动轴(22)一起进行旋转；第一施力机构(60)，其朝向第一小齿轮(16)对齿条轴(12)进行施