| 摘要 |
The present invention provides a transmission, which makes it possible to conduct work of repairing or replacing a braking device (113a) by disassembling only parts of a reduction gear system after separating a housing (105), and in which oil is provided around the braking device (113a) and circulates along a flow path, thus preventing the braking device (113a) from wearing, thereby extending the lifetime of bearings and gears. To accomplish the above object, in the transmission of the present invention, the drive motor is provided on an end of a housing (105), and a drive means is provided on an opposite end of the housing (105). An output shaft (101a) is provided at a predetermined position in the housing (105) to receive power from the drive motor. A drive shaft (101) is coaxially coupled to the output shaft (101a), and a drive gear (102) is provided at a predetermined position on the drive shaft (101). Furthermore, a driven gear (106) engages with the drive gear (102), and a driven shaft (107) is coaxially coupled to the driven gear (106) and is parallel with the drive shaft (101). The braking device (113a) is coaxially coupled to an outer surface of a portion of the driven gear (102) that faces the drive motor. A planetary gear assembly (116a) is provided on an outer surface of the driven shaft (107) at a position adjacent to the drive means to transmit the power at reduced speed. The housing (105) is separable at a point between the driven gear (106) and the planetary gear assembly (116a).
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