Earth pressure balance shield machine

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It cuts soil by the rotary cutter, the cut soil entering sealing soiltank, where the soil pressure inside keeps balance with the soil of the workingsurface, so as to control the surface subsidence effectively. The screwconveyor and leather conveyor carry out the soil continuously, and the segmentmachine supports and builds the wall, the entire surface of tunnel forms duringone time. The earth pressure balance shield machine is a set of tunnelconstruction equipment combined by mechanical, electrical, hydraulic, sensingand informatics technology, including characteristics of high efficiency,safety and reliable and high quality. It is widely used in tunnel projects suchas water conservancy, electricity, transportation and municipal pipelines. Itowns the fabrication capacity for different diameters from 3.5 to 15 meters.

Performance and parameters(take Chinese city subway’s normal cave diameter for instance)

Excavation diameter: Φ6.18m      

Host length:8.64m    

Moving forwardspeed: 100mm/min    

Driving power:550kw

Cutter speed:0-1.42rpm

Maximum torque:7300kN-m

Shield thrust:38500kN

Articulationangle: ±2⁰
Excavated volume of screw machine: 300m3/h



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Q:Want to set up excavators, bulldozers, dump trucks, and other construction machinery overhaul plant, equipment and equipment needs of personnel
Everything must be done step by step, from the easy and difficult process is must go through, so a little bit of learning to absorb, digest, and for their own use. Cut not impatient, patiently learn.
Q:Which city is the capital of construction machinery in China?
China Construction machinery capital is the title of "China Construction machinery capital" awarded by Xuzhou Machinery Industry Federation of China in 2010 in Xuzhou.
Q:What about the marketing department of mechanical engineering students?
Mainly to do some market development work! And sales are different, marketing department general workload is very small, every day nothing, work is not tired!
Q:What are the differences between mechanical engineering and mechanical design, manufacturing and automation?
Mechanical engineering and automation include a wider range, little difference, are mechanical. Some school of mechanical and electronic engineering may be a little more control part to learn, but although it is called electrical part but the electricity than the two course of mechanical design and manufacturing
Q:Ask for a transverse, boring, engineering machinery?
Municipal Engineering, I do not know how many of your projects, do not have to buy one? Ask for a project and rent one
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In fact, machinery and related are good, mechanical professional look at your professional wide range of steps, the most important personal interests, as well as job opportunities
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Bank loans: other business income, while carrying costs: other business costs: accumulated depreciation
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Mechanical hand pioneer is short, there are no delay control, displacement skills, so a good beating his hero more, hand long, strong control of high outbreak, there are good displacement skills such as Shindelar. A long, strong fire control, fire control of high male female strong Kazike displacement is the outbreak of robbery well, there is a war of attrition, such as the time Jess, suddenly face and take control on the single were playing well, anyway, a lot of...
Q:What is the management of construction machinery?
Construction machinery, as in our project, includes ordinary tower cranes, internal climbing towers, climbing formwork, climbing frames, construction lifts and hanging baskets...... And so on many kinds, if you only rely on the labor service personnel to find the problem reported to you, you go to deal with, then you are very unqualified. A member who can when, if there is no technical content, you can not find the problem.
Q:What kinds of books do you need to study in mechanical design?
Mechanical design manual 5, and then material mechanics, theoretical mechanics, mechanical principles, mechanical design - the University's teaching materials are very good, you can buy second-hand online to buy on the line. Specific industries, as well as construction machinery to hydraulic transmission, and some want to see the precision machinery design

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