Gantry crane luffing mechanism
The utility model provides a portal crane luffing mechanism which comprises a motor, a speed reducer, a brake, a gear shaft, a rack box and a limiting structure. An output shaft of the motor is connected with the speed reducer through the floating shaft, the brake is installed at the position where...
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Main Authors | , , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
03.12.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides a portal crane luffing mechanism which comprises a motor, a speed reducer, a brake, a gear shaft, a rack box and a limiting structure. An output shaft of the motor is connected with the speed reducer through the floating shaft, the brake is installed at the position where the floating shaft is connected with the speed reducer, and the gear shaft is connected with a low-speed shaft coupler of the speed reducer and provided with a main driving gear. The rack box is arranged among the motor, the brake and the speed reducer, and an assembly structure suitable for being rotatably connected with the swing arm is arranged at the end, crossing over the floating shaft, of the rack box; and the limiting structure is used for ensuring that the rack and the main driving gear can always keep good matching meshing. According to the portal crane luffing mechanism, a traditional screw and nut mode is changed, meshing of the rack and the main driving gear is exposed outside, inspection is easy, and |
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Bibliography: | Application Number: CN202121218608U |