The Galerkin's method was used to truncate the infinite-dimensional partial differential equations into a set of finite-dimensional ordinary differential equations with time dependent coefficients,which can be solved with numerical methods.

對于電梯工業(yè)來說国产一级优女在线视频，目前世界上絕大部分電梯仍然是依靠鋼絲繩提升的曳引式電梯国产精品91在线。

The installation and adjustment methods of dray machine and layers control set were introduced.

介紹了曳引機和平層控制裝置的安裝與調(diào)整方法欧美一级特黄大片aaa。

I Dray produced by machine and control lifts cabinets have been through the national quality inspection center quality appraisal, business scope expanded to all parts of the country.

我公司生產(chǎn)的曳引機及控制柜均已通過國家電梯質(zhì)量檢測中心質(zhì)量鑒定日日夜夜操屄，業(yè)務(wù)范圍擴展到全國各地免费成人在线观看网站。

Established in 1989, Bluelight is a leading manufacturer of elevator control systems and gearless permanent magnet synchronous machines.

沈陽市藍(lán)光自動化技術(shù)有限公司成立于1989年黄色视频免费观看网站，是研發(fā)制造電梯控制系統(tǒng)和永磁同步無齒輪曳引機系列產(chǎn)品的專業(yè)公司。

According to the mathematical model and vector control method of permanent magnetic synchronous machine, the gearless elevator traction system was simulated.

并根據(jù)低速大轉(zhuǎn)矩永磁同步電動機的數(shù)學(xué)模型及矢量控制方法久久浪穴，在MATLAB／SIMULINK環(huán)境中對無齒輪電梯曳引傳動系統(tǒng)進(jìn)行了建模和仿真6080午夜理论在线毛片。

Gearless traction machine and the power consumption compared to traditional lifts 30-40% reduction in the same period last year.

無齒輪曳引機的耗電量和傳統(tǒng)電梯相比同比減少30-40%。

But this synchronous gearless Tractor has no machanism slowdown framework and need too much moment. It can not depend on manual jigger to move lift car.

但是這種同步無齒輪曳引機沒有了機械減速機構(gòu)91在线视频免费观看，要求的力矩很大无码专区三级片免费用在线观看，往往無法靠人力盤車來移動電梯轎廂。

FusiJG roomless cargo elevator products, used to lead the trend of the times of high-tech permanent magnet synchronous gearless traction drive technology, there is gear with the traditional tractor comparison with host small, the smallest of the Wells Road space, significant energy saving efficacy, low running noise, first-class ride quality, life-long maintenance-free characteristics of excellent performance, and then evaded simple and generous, elegant colors, humanization design of the car with a combination of security and are a combination of classic for, can be widely used in factories, shopping malls and other places of freight.

富士精工無機房貨梯產(chǎn)品在线亚洲国产一区日本，采用引領(lǐng)時代潮流的高科技永磁同步無齒輪曳引傳動技術(shù)国产精品有限公司，與傳統(tǒng)有齒輪曳引相比較而言具有主機體積小巧、最小化的井道空間欧美高清中文字幕国产精选、顯著的節(jié)能功效网站黃色毛片、極低的運行噪音、一流的乘坐品質(zhì)免费无码明星换脸AV网站、終身免維護(hù)的極佳性能特色国产黄在线看片免费人成视频，再與款款簡潔大方、色調(diào)優(yōu)雅图片区小说区自拍区综合区、人性化設(shè)計風(fēng)格的轎廂搭配組合国产av网站人人网，是安全與相結(jié)合的經(jīng)典之作，可廣泛應(yīng)用于工廠亚洲女生被插下体免费看网站、商場等貨運場所免费久久性爱视频。富士精工病床電梯以其獨特的設(shè)計理念日韩操逼片，創(chuàng)造與醫(yī)院環(huán)境和諧統(tǒng)一，清潔明亮的空間国产专区91在线，為乘客創(chuàng)造了一個舒適的環(huán)境欧美激情大色堂丁香五月，為病人更增添幾分康復(fù)的信心。

5 To check all wire ropes as often as necessary to maintain an adequate factor of safety, to equalise the tension on all hoisting ropes.

必要時經(jīng)常檢查所有的鋼絲繩毛片一级毛片一级毛片一级，以確保設(shè)備足夠安全和所有曳引鋼絲繩張力保持平衡无码区无码区视频网网址。

A kind of traction system capable of ensuring the balance of the lift cabin used in hydraulic lift is composed of support beam fixed in the lift shaft, 4 traction mechanisms separately corresponding to the four conners of the lift cabin, each of which is composed of a cylinder, several guiding pulleys and a tracting cable.

裝的牽引機構(gòu)，所說的每一牽引機構(gòu)都包括一個固定安裝在支梁上的帶滑輪的油缸激情黄片免费观看，若干個也安裝在支梁上的導(dǎo)向滑輪和三條曳引繩羞羞的漫画在线看，所說的其中一條曳引繩燒著本牽引機構(gòu)所屬的油缸上的滑輪及導(dǎo)向滑輪，一端與本牽引機構(gòu)所對應(yīng)著的電梯轎廂