查询词典 derricking

To demonstrate the proposed framework, the design of the compensation of pulley block in derricking mechanism was presented.

通过对起重机变幅机构的补偿滑轮组系统的稳健优化设计，给出了具体的分析求解过程。

To demonstrate the proposed framework, the design of the compensation of pulley block in derricking mechanism was presented.

实例表明，相容决策支持问题法对解决工程多目标优化设计的问题是有效的。

The four-bar combination jib is one of the most commonly used forms of the derricking mechanism for portal cranes.

四连杆组合臂架是门座起重机最常用的变幅机构形式之一。

The hook and rope of a crane can be regarded as a pendulum that is drived by slewing motion and derricking motion.

起重机这类起重运输设备的吊钩缆绳可以看作受回转、变幅运动驱动的单摆，但起吊运动也在水平方向上产生科里奥利力，影响载荷摆动的规律。

The hook and rope of a crane can be regarded as a pendulum that is drived by slewing motion and derricking motion and cause sway.

起重机这类起重运输设备的吊钩缆绳可以看作受大车、车运动驱动的机械摆，会产生摆振。

When sprag-type clutches are used in hoist and derricking systems, they shall incorporate a positive mechanical lock against failure or be designed to transmit twice the maximum torque imposed by the maximum line pull.

提升和变幅系统使用斜撑离合器时，离合器必须带有一个可靠的机械锁，以防出现故障。离合器的设计应当可以传递最大直线拉力产生的最大转矩的两倍的转矩。

Main Appplications: Various eqmuipment for derricking, lifting and drawing; the rope with wire core can be used under the shock load, heated and squeezed conditions such as electric shares.

主要用途：各种起重、提升和牵引设备：金属绳芯适用于负荷、受热和受挤压条件下，例如：电铲。

A new load moment limiter is presented which incorporates the 78E54 single-chip processor and the MGL-240128 LCD with the built-in T6963C coral chip,describing in detail the limiter's operation and how to process the signal from the sensor installed on derricking rope of crawler crane .

介绍了一种利用单片机 78E5 4以及内藏T6 96 3C的液晶显示器MGL - 2 4 0 12 8设计的力矩保护器的工作原理；并对该力矩保护器在履带式起重机上工作时，在变幅绳上取力时信号如何处理做了分

The hoisting, derricking and slewing mechanism, the extension and contracting of booms, the setting down and back of outriggers, all are driven hydraulically.

该机的起升、变幅、回转、吊臂伸缩及支腿收放等机构，全部采用液压驱动。

Main Applications: Various equipment for hoisting, derricking, lifting, towing, port load and unload, blast furnace hoisting and oil well drilling.

主要用途：各种起重、提升和牵引设备、港口装卸、高炉卷扬、石油钻井、金属芯绳适用于冲击负荷，受热和受挤压条件下。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。