A-frame crane的意思|示意

In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle.

在这一阶段，吊架固定在吊车的挂钩上，船体完全脱离海床，在水下被转移到吊篮里。

The analysis of a crane load example shows that the pile deformation, especially the pile top rotation, greatly influence the frame lateral displacement.

通过对某工程实例吊车荷载作用下排架侧向位移的计算，证明桩的变形对排架侧向位移影响较大，尤其桩顶转角的影响大。

The brake wheel is a key part of portal frame crane, and its earlier failure and heat treatment defect during manufacture and use is the key factor, which affects the cost and efficiency.

制动轮是门座式起重机制动装置的关键零件，制动轮在生产制造和使用过程中的早期失效及热处理缺陷是影响生产成本及效率的重要因素。

This invention discloses a hollow hydraulic crane frame used for lane and face of coal mine.

本发明公开了一种适用于煤矿巷道和工作面使用的中空液压起重架。

A study is provided here for the application of plastic design to the industry building frame with medium or light crane loading.

本研究为在中、轻级工作制的吊车厂房刚架结构中应用塑性设计，提供了研究成果。

The four corners of the frame are provided with four pulleys. Wire ropes pass round the pulleys and are tightened on the reel drum of a crane trolley.

框架上面的四角装有四只滑轮，钢丝绳绕过滑轮向上系于起重行车的卷筒上。