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    • 9. 发明申请
    • HAND-HELD OPERATING UNIT
    • 手持操作单元
    • WO1996009147A1
    • 1996-03-28
    • PCT/JP1995001862
    • 1995-09-19
    • KABUSHIKI KAISHA YASKAWA DENKIOSHIMA, Mikio
    • KABUSHIKI KAISHA YASKAWA DENKI
    • B25J19/06
    • B25J13/02H01H9/0214H01H13/506H01H2217/048H01H2225/008H01H2300/026H01H2300/028
    • A deadman switch (4) comprises a push plate (5), a shaft (7) provided on the push plate (5), a dog plate (6) fitted onto the shaft (7), a plurality of bosses (34), a spacer (9) fitted onto the shaft (7), a spring (8) provided on an outer periphery of the shaft, and three-point type limit switches (41, 42) mounted on a rear plate (3) and constructed such that the dog plate (6) can engage with dogs (41a, 42a) to turn the limit switches off with the dogs kept free, to turn the limit switches on when the dog plate (6) pushes the dogs (41a, 42a) slightly, and to turn the limit switches off when the dog plate (6) further push the dogs (41a, 42a) against the spacer (9) and the spring (8). It is possible to provide a fail-safe hand-held operating unit for robots which is exceedingly safe, since the limit switches are surely turned off in a panic such as runaway of robots and the like even when an operator strongly holds the hand-held operating unit tight in his hand.
    • 止动开关(4)包括推板(5),设置在推板(5)上的轴(7),装配到轴(7)上的卡盘(6),多个凸台(34) 安装在轴(7)上的间隔件(9),设置在轴的外周上的弹簧(8)和安装在后板(3)上的三点式限位开关(41,42) 狗板(6)可以与狗(41a,42a)接合,以使狗保持自由而转动限位开关,当狗板(6)稍微推动狗(41a,42a)时,限制开关接通 并且当所述卡板(6)进一步将所述卡爪(41a,42a)推靠在所述间隔件(9)和所述弹簧(8)上时,将所述限位开关转动。 可以提供一种非常安全的用于机器人的故障安全手持操作单元,因为即使操作者强力地握持手持式机器人等,由于极限开关被确定地在诸如机器人等的失控之类的恐慌中被关闭 手中的操作单位紧紧。