MANUAL OPERATION DEVICE FOR LOW VOLTAGE SWITCHING APPARATUS

摘要

The present invention discloses a manual operation device for low voltage switching apparatus. An operating handle is provided with a fixing groove. The fixing groove is matched with a second fixing plate, the second fixing plate is placed in the fixing groove. A reset torsion spring is arranged between the second fixing plate and the fixing groove. A pawl is rotatably mounted on the second fixing plate through a fixing pin, the pawl rotates about the fixing pin. One end of a first reset spring is connected to the top end of the pawl, the other end of the first reset spring is connected to the operating handle. The operating handle is mounted on a mounting shaft of an operating mechanism of the low voltage switching apparatus. A mounting plate is provided with a rotation shaft, the rotation shaft is the rotation shaft of an energy storage mechanism of the low voltage switching apparatus. The mounting shaft and the rotation shaft are not concentric. A ratchet wheel is rotatably mounted on the rotation shaft, the bottom end of the pawl is engaged with an intertooth position of the ratchet wheel. A stop detent is provided on the bottom of the mounting plate, the stop detent is rotatably mounted on the mounting plate. The top end of the stop detent is engaged with an intertooth position of the ratchet wheel. One end of a second reset spring is connected to the bottom end of the stop detent, the other end of the second reset spring is fixed on the mounting plate.

主权项

1. A manual operation device for low voltage switching apparatus, comprising:
an operating handle (1) provided with a fixing groove (13), the fixing groove (13) being matched with a second fixing plate (6), the second fixing plate (6) being placed in the fixing groove (13), a reset torsion spring (2) being arranged between the second fixing plate (6) and the fixing groove (13); a pawl (5) being rotatably mounted on the second fixing plate (6) through a fixing pin (4), the pawl (5) rotating about the fixing pin (4); one end of a first reset spring (3) being connected to the top end of the pawl (5), the other end of the first reset spring (3) being connected to the operating handle (1); the operating handle (1) being mounted on a mounting shaft of an operating mechanism of the low voltage switching apparatus; a mounting plate (8) provided with a rotation shaft (11), the rotation shaft (11) being the rotation shaft of an energy storage mechanism of the low voltage switching apparatus, the mounting shaft (6) and the rotation shaft (11) being not concentric; a ratchet wheel (7) being rotatably mounted on the rotation shaft (11), the bottom end of the pawl (5) being engaged with an intertooth position of the ratchet wheel (7); a stop detent (9) being provided on the bottom of the mounting plate (8), the stop detent (9) being rotatably mounted on the mounting plate (8); the top end of the stop detent (9) being engaged with an intertooth position of the ratchet wheel (7); one end of a second reset spring (10) being connected to the bottom end of the stop detent (9), the other end of the second reset spring (10) being fixed on the mounting plate (8).