千斤顶

Mechanical jack is a lifting tool.

机械千斤顶是起重工具的一种。

Horizontal jack is a lifting tool.

卧式千斤顶是起重工具的一种。

The lifting jack go over which before being put into use component must?

千斤顶在使用前必须检查哪些部件？

Key words:steel gallery; integral lifting; jack; synchronous control

关键词］钢连廊；整体提升；千斤顶；同步控制

This paper introduce the reform of river-crossing simply brdge by using ultrathin lifting jack ,this mode avoided the foundation treatment under the bridge,reduced the influence of the river and the adjacent environment.

介绍了跨河简支梁桥采用超薄千斤顶少支架整体抬升的工艺，从而避免了桥下河底的地基处理，降低了对河道及周边环境的影响，并结合抬升施工对过河管线进行了相应改造，改善了桥梁景观效果。

It illustrates technology of construction of provisions room from support system of sliding formwork platform、 selection of lifting jack、 height of climbing form, puts forward construction measures of climbing form in winter, which to improve construction level of provisions room.

从滑模操作平台支承系统、升千斤顶选用、升模板高度选用等方面，阐述了粮食筒仓建设施工操作的技术，提出了滑模的冬季施工措施，以提高粮食筒仓施工技术水平。

The elevation 4860 meter Tanggula shankou, several "the sunspot" appears in silver world --- these shoulders shoulders the hard shovel, is lifting the hoisting jack worker, upward enters in the Qinghai and Xizang railroad Tanggula shankou section railway rail, looks like on the 5 lines several happy symbols.

海拔4860米的唐古拉山口，十几个&黑点&出现在银色的世界———这些肩扛铁锨、抬着千斤顶的工人，在青藏铁路唐古拉山口段的铁轨上行进，像五线谱上的几个乐符。

Tensioning apparatus,such as assorted oil pressure gauge and jack must be calibrated in the laboratory before prestressing reinforcement. The gauge reading and the displayed value of measured dynamometer which obtained from the laboratory showed linear relationship.

预应力结构张拉前，配套的千斤顶和油压表等张拉设备必须在试验室标定，试验室所得标准测力仪显示值和压力表读数呈线性关系。

Introduced uses the ANSYS software establishment hydraulic power support hoisting jack the method.

介绍了利用ANSYS软件建立液压支架千斤顶的模型方法。

The factory to provide mechanical processing business based, after nearly 10 years of development efforts, making management more modern, international products, several of the renowned Shanghai Jack plants, power tools plant, the company's long-term suppliers.

本厂以提供机械加工业务为主，经过近10年的努力发展，使得管理更加现代化，产品国际化，是上海几家全国知名千斤顶厂、电动工具厂、外贸公司的长期供应商。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。