Methods HOIST device is composed of the hauling screw, open angle screw, blocker, angle connective bar and blocking ring.

方法HOIST器械由提拉螺釘55色色网、角度開口螺釘欧美一级在线日本、阻塞器欧美日本高清、角度連接棒及阻擋環(huán)等組成91精品啪中文字幕。

Length of the compages hoist jib is shown as fig.4-9, and set up them together by pins, after connected the first section and the second section, then install trolley and nacelle, and fixup them on the root of the hoist, and lay up the hoist on the support which has 1m height, so that the trolley and nacelle depart from the ground (shown as fig.4-11), then install the trolleying mechanism.

4.2.12.2 按照圖 4-9 組合吊臂長度，用相應(yīng)銷軸把它們裝配在一起色悠悠一区二区，把第一節(jié)臂和第二節(jié)臂連接后亚洲天堂黄色网站b性爱，安上小車和吊籃，并把小車和吊籃固定在吊臂根部色伊人欧美，把吊臂擱置在 1 米高左右的支架上一边摸一边捅，使小車和吊籃離開地面(見圖 4-11)，裝上小車牽引機(jī)構(gòu)国产高清国内精品综合色噜噜。

GUANGZHOU GONGYOU LIFTING SLINGS CO., LTD is developed from former GUANGZHOU GONGYOU LIFTING FACTORY, It is a modern enterprise in manufacturing of chian hoist , lever hoist, electric hoist, steel wire-sling, lifting-sling, all kinds of turnbuckle , shackle , webbing slings, jack,We have handled the product over 20years .

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Hoist rope for electrical hoists and lifting devices with multiple part reeving heights or twin hoist systems with left and right hand ropes traction and haulback rope for scrapers and construction hoists,hoist rope for cranes,tag line and guide line for clam shells,trolley rope for horizontal booms.

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Pass to computer control technology to the application and the research in the shaft hoist, we introduce that the new breeze well hoist computer control system to adopt the most advanced technique of PLC nowadays, by full-digital thyristor DC speed regulated system to constitute of parallel 12 pulse technology and magnetic fields to change toward technology, reform the traditional generator- electric motor machine set and relay control of hoist, by F- D machine set the unadvanced drive of wind reformation to become having the international advanced the horizontal full digital DC to drive the system.

通過對計(jì)算機(jī)控制技術(shù)在礦井提升機(jī)中的應(yīng)用和研究，闡述了新風(fēng)井提升機(jī)計(jì)算機(jī)控制系統(tǒng)采用了當(dāng)今最先進(jìn)的PLC技術(shù)日韩福利在线视频免费观看、由全數(shù)字晶閘管直流驅(qū)動(dòng)系統(tǒng)組成的并聯(lián)十二脈動(dòng)整流技術(shù)和磁場換向技術(shù)www.jipav，來改造傳統(tǒng)的發(fā)電機(jī)—電動(dòng)機(jī)機(jī)組+繼電器控制的提升機(jī)，從而使落后的F—D機(jī)組驅(qū)動(dòng)的提升機(jī)改造成為具有國際先進(jìn)水平的全數(shù)字直流驅(qū)動(dòng)系統(tǒng)日韩图片自拍视频。

A safety monitor and protective device of hoist in local coal mine is introduced.It can indicate the movement and the position of the hoist vessel in the shaft directly,send out a signal slowing down the vessel in time.When the vessel is over-rolled up ,the hoist will be braked automatically and immediately.

文摘：本文介紹了一種地方煤礦提升絞車安全監(jiān)測與保護(hù)裝置日韩播放，能直觀地指示提升容器的運(yùn)動(dòng)及在井筒中的位置，設(shè)置了比較完善的電器保護(hù)系統(tǒng)在线观看视频国产，能及時(shí)發(fā)出減速信號(hào)欧美一性爱，當(dāng)發(fā)生過卷時(shí)能自動(dòng)緊急停車。

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Fixed gate hoist includes different types, such as winding type, screw-rod type, hydraulic hoist and chain-type, and mobile gate hoist includes portal hoist, trolley hoist and bridge hoist.

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