螺旋千斤顶

螺旋千斤顶的设计计算

Design and Calculation of Screw Jack

这个吊链（油压千斤顶、螺旋千斤顶）的起重才能为5吨。

The lifting capacity of this chain hoist ( hydraulic jack , screw jack ) is5tons .

在普尔曼的信号下,每个人同时转动相同数量的螺旋千斤顶,从而使建筑物缓慢而均匀地升起。

At Pullman 's signal each man turned his jackscrew the same amount at the same time , thereby raising the building slowly and evenly .

基于优化设计的螺旋千斤顶三维零件库的建立

3D Part Library of Jack Screw Establishment based on Optimal Design

螺旋千斤顶螺纹副优化设计

The Optimum Design for the Screw Part of the Screw Jack

轧机螺旋千斤顶的改进设计

Improving on the Design of Screw - jack of Rolling Mill

轧机螺旋千斤顶的国产化改造

The Home made Reform of Jack of Rolling Mill

介绍了螺旋千斤顶的用法与花键装配的检测、拆装工艺。

The usage of screw jack and the check and disassembling technic of spline assembling are described .

提出了将螺旋千斤顶加压的硫化器改造成液压千斤顶加压、保压的液控硫化器的改进方案。

Puts forward the hydraulic control scheme that spiral jack is reformed hydraulic jack to raise pressure and preserve pressure .

利用机械式螺旋千斤顶的特点，选用接近开关来检测千斤顶的直线位移；

Corresponding with the characteristics of mechanical helix lifting jacks , proximity switches are used to measure the linear displacement .

为了解决钢结构公路大桥施工中钢梁与桥面板拼装螺栓孔的对正问题，特别设计了一种机械传动的螺旋千斤顶。

In order to solve the alignment problem of steel girder and deck slab bolt hole , the screw jack is designed .

同时，提出了增设联合调节器下体顶丝工艺孔代替螺旋千斤顶的建议。

The suggestion of replacing screw jack with the technic screw hole added on the lower body of combined regulator is proposed meanwhile .

电动螺旋液压千斤顶的设计

Design of an Electric Screw Hydraulic Jack

在该工程中采用了新颖的伞型斜向支撑技术，并利用螺旋式千斤顶进行主动支顶。

In connection with an engineering example , this paper introduces the application of a novel active roof-propping technique which uses umbrella-shaped braces and screw jacks for active propping .