It is proved through the practice that the adoption of the lifting-jack inclined cable-stayed buckle based on the cable assembling method can solve some problems of the large-span arch bridge,such as multi-section assembly,complicated tie cable system,the out-of-control arch axis and high-risk construction.
结合祁家黄河大桥主桥拱肋的吊装施工技术,阐述了无支架缆索吊装拱肋的施工技术,实践证明:精心的在缆索吊装法基础上采用千斤顶斜拉扣挂法施工的方法,能够较好的解决大跨径拱桥多节段拼装、扣索系统操作复杂、拱轴线难于控制、施工风险大等问题。
Application of the hoisting jack made by ourself in install of large colliery equipment;
自制千斤顶在煤矿大型设备安装中的使用
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。
Improvement of push jack in ZZ4400/14.5/29 hydraulic support;
ZZ4400/14.5/29型液压支架推移千斤顶的改进
Approaching repair technology of the cladding materical of support column and jack;
支架立柱、千斤顶镀层修复探讨
Apply the Sn-Bi-welding to recondition the chromium-plated layer of vertical posts and jacks;
运用锡铋焊技术修复立柱、千斤顶镀铬层
By using ANSYS software and European CEN standards, the nonlinear finite element simulation analysis on eccentricity load of ram is carried out in this paper, thus, the design and type-modification are optimized and the reliability of design is improved.
运用ANSYS软件,依据欧洲CEN标准,对千斤顶进行偏载非线性有限元仿真分析,从而优化设计和改型,提高设计的可靠性。
Through the convenient visual function of VB software,has carried on kinematics analysis in designing the Model ZY5200/8/18D Hydraulic support that is researched and developed,obtain the kinematics parameter of the Hydraulic support and the orbit pictures of sports.
运用ANSYS有限元分析软件对立柱和千斤顶整体结构进行应力计算。
"Is there a jack-screw to be had?"
“你们有千斤顶吗？”
Jack up a car
用千斤顶把汽车顶起来
They put the car up with a hoisting jack.
他们用千斤顶把车抬高。
lifting jack (excl. hydraulic)
千斤顶（液压的除外）
hydraulic jack (excl. built in)
液压千斤顶（固定的除外）
hydraulic trolley jack
手推车式液压千斤顶
horizontal action jack (excl. hydraulic)
水平千斤顶（液压的除外）
a pneumatic jack
气力起重机, 气力千斤顶
hand vertical hydraulic jack
手动立式油压千斤顶
oil-powered hydraulic truck jack
燃油液压汽车千斤顶
built-in jack for lifting vehicles
起升车辆固定千斤顶
hand operated vertical hydraulic jack
手动立式液压千斤顶
lift a car with a jack
用千斤顶把汽车托起
hitch lifting jack
连结装置的起落千斤顶
The driver jacked up the car.
司机用千斤顶把汽车顶起来了。
They jacked up a car.
他们用千斤顶把汽车顶起来。
The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5tons.
这个吊链（油压千斤顶、螺旋千斤顶）的起重能力为5吨。
We jack the automobile In order to change a tire
我们用千斤顶把汽车托起换个轮胎