Traveling performance and working performance are improved.A crawler traveling device (20) includes a first wheel (22); a second wheel (23) spaced from the first wheel (22); a support frame (24) that supports the first wheel (22) and the second wheel (23); a third wheel (25) disposed above the support frame (24); an endless crawler (21) wound around the first wheel (22), the second wheel (23), and the third wheel (25); and a vehicle-height changing mechanism (30) that changes a position of the support frame (24) in the vertical direction with respect to the third wheel (25). The vehicle-height changing mechanism (30) has an actuator (31) that is capable of contracting in the vertical direction and that changes the position of the support frame (24) in the vertical direction with respect to the third wheel (25).
CRAWLER TRAVEL DEVICE AND WORK MACHINE PROVIDED WITH SAID CRAWLER TRAVEL DEVICE
RAUPENFAHRWERK UND MIT DIESEM RAUPENFAHRWERK VERSEHENE ARBEITSMASCHINE
DISPOSITIF DE DÉPLACEMENT DE CHENILLE ET MACHINE DE TRAVAIL POURVUE DUDIT DISPOSITIF DE DÉPLACEMENT DE CHENILLE
2024-01-17
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
CRAWLER TRAVEL DEVICE AND WORK MACHINE PROVIDED WITH SAID CRAWLER TRAVEL DEVICE
European Patent Office | 2021
|TRANK ROLLER FOR CRAWLER TYPE TRAVEL DEVICE, CRAWLER TYPE TRAVEL DEVICE AND WORK MACHINE
European Patent Office | 2020
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