The invention discloses a variable amplitude trolley with detachable landing legs, and belongs to the field of variable amplitude trolley equipment of tower cranes. The variable amplitude trolley comprises a variable amplitude trolley body and main chord members arranged on the variable amplitude trolley body and further comprises the detachable landing legs arranged on the variable amplitude trolley body. Landing leg sleeves are arranged at the lower ends of the main chord members and provided with through holes. The detachable landing legs comprise landing leg bodies and supporting plates arranged at the lower ends of the landing leg bodies. The landing leg bodies are provided with installing holes corresponding to the through holes in the landing leg sleeves. The installing holes and the through holes are internally provided with connecting pieces used for fixing the landing leg bodies into the landing leg sleeves, and the detachable landing legs can be installed on the main chord members through the connecting pieces. Fixing pieces used for preventing the connecting pieces from disengaging from the installing holes and the through holes are arranged at the tail ends of the connecting pieces. The landing leg bodies are fixed to the supporting plates. The detachable landing legs are arranged in the main chord members, trolley sliding wheels are protected through the landing legs, and the sliding wheels are prevented from being damaged. When a cargo boom is assembled, the landing legs can be dismounted, and therefore the elevating capacity of a tower crane can be increased.
Variable amplitude trolley with detachable landing legs
2016-01-27
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |
Online Contents | 2017
|Variable-amplitude trolley and control method thereof
Europäisches Patentamt | 2023
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