5510| 20
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對(duì)于蝸輪蝸桿驅(qū)動(dòng)的電梯,為什么還要增加摩擦制動(dòng)器,依靠蝸輪蝸桿自鎖來制動(dòng)不行嗎? |
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點(diǎn)評(píng)
這我說不上來,我們有個(gè)設(shè)備用蝸輪減速機(jī)做行走用的,就有過停機(jī)還會(huì)溜車的。
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