抓斗

My company is mainly used to grab dredgers leakproof grain, corn, soybean, rapeseed, such as sulfur flow of goods.

详细信息：我公司生产的防撒漏抓斗主要用来抓取粮食、玉米、大豆、菜籽、硫磺、化肥等易流动的货物。

4 For dredging works, only mechanical dredgers with bucket-type closed-grabs shall be used for the dredging of river bed or ponds.

进行挖泥工程时，只可使用密封抓斗式的机械挖泥机，以挖掘河床或塘底的淤泥。

The workers are using the grab bucket to transport concrete.

工人们正在使用抓斗运输混凝土。

Then,this thesis establish kinetic and dynamic model of grab bucket driving system by through Second Lagrange equations in analytic mechanics.

然后，应用分析力学中的第二类拉格朗日方程，建立抓斗驱动系统的动态数学模型。

Perceiving from the model that grab bucket driving system belongs to interactional system of multi-variables and non-linearity.

从描述系统的数学模型可以看出，抓斗驱动系统属于多变量非线性藕合系统。

Grab bucket is a type of fetch equipment which is widely used for loading and unloading of bulk cargo, depending on its simple and cabinet structure, steady and reliable working mode; it still has an unparalleled advantage than other fetch equipments.

抓斗是广泛用于装卸散货的一种取物装置，凭借其简单灵巧的造型结构、可靠稳定的工作方式，仍然具有其它取物装置所无法比拟的优点。

Therefore, the adoption"s fly" to throw to anticipate the work efficiency that can raise to grasp the derrick of grab bucket .

因此，采用&飞行&抛料可以提高抓斗起重机的工作效率。

After analysing the model and researching actual exercise , the thesis makes programming motion of the grab bucket.

论文通过对模型的进一步分析，在对卸船机实际作业研究的基础上，将抓斗运行依次规划为：垂直提升、平移上升复合运动、卸料平移返回、平移降落复合运动和加速垂直降落五个阶段。

According to the process requirement of global erection on site for upper structure of bridge grab bucket ship unloader ,this paper introduces a kind of computer-controlled globally hydraulic hoisting technique and its key controlling points in the hoisting process.

结合桥式抓斗卸船机上部结构现场整体提升吊装的工艺要求，提出了一种计算机控制液压整体提升的工艺，并介绍提升过程关键控制点。

This Kind of crane is suitable at warehouses and harbours where the handling is frequent and the magnetic disc, grab bucket and hooks are needed simultaneously

本机适用于同时需要电磁吸盘、抓斗、吊钩等多种吊具的场所，尤其是仓库、码头等较繁忙的状况，且室内室外均可使用。

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。