This paper presents the main types and features of luffing mechanisms of goose neck jib lorry loading cranes and proposes design requirements for 304304 type luffing mechanism.
介绍了随车起重机变幅机构的主要形式和特点，提出304304型变幅机构在设计时的要求。
This paper presents the main types and features of luffing mechanisms of goose neck jib lorry loading cranes and proposes design requirements for 304304 type luffing mechanism.
介绍了随车起重机变幅机构的主要形式和特点，提出304304型变幅机构在设计时的要求。
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