the paper describes the use of electrohydraulic proportional control technique in truck crane hydraulic system to realize speed regulation and some of it「s functions.
阐述应用电液比例控制技术在汽车起重机液压系统中实现的调速以及其它一些功能。
the design and production of the truck crane have more than 50 year」 s history in our country. the development of truck crane, however, was slow as the well known reason.
在我国,汽车起重机的发展已有五十年的历史了,由于受到客观条件的限制,一度发展较慢。
cad system of derricking cylinder of truck crane is introduced in this paper, which is developed by the authors.
介绍了汽车起重机变幅油缸cad系统的开发工作。
the locking and speed restriction of truck crane are two important security indicators. to ensure safety in operation and prevent disastrous accidents, they are of vital importance.
the local stability of a telescopic boom structure in a truck crane was analyzed by the finite element analysis approach and ansys package in this paper.
as the main stress component, box truck crane telescopic boom usually accounts for the weight machine for 13~20%, while the percentage of large cranes is greater.
under the condition that construction units have been universally equiped with truck crane, hoisting tower equipment using truck crane is an inevitable trend.
在施工单位普遍配备汽车吊的情况下,塔类设备使用汽车吊吊装是必然趋势。
well. eight-tonne capacity truck crane must be preferred. it travels faster.
那么,八吨级的汽车起重机较好,它跑的快些。
this paper points out the factors affecting the crane and explores the structural design of the hydraulic truck crane by analyzing the movements of the arms of the crane during its work.