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半敞開“小車”式環(huán)吹風(fēng)裝置  Semi-open cart type quench air units (annular blow) 

半敞開“小車”式外環(huán)吹風(fēng)結(jié)構(gòu)， 線下維護生產(chǎn)連續(xù)性好，可移位設(shè)計便利生產(chǎn)操作。With semi-open cart type outward annular blow structure, it has advantages of off-line maintenance for uninterrupted production as well as mobile design for easy operation.

3.1  一代：手動螺旋升降結(jié)構(gòu) Generation 1: Manual spiral up/down structure

結(jié)構(gòu)簡單、性能穩(wěn)定、維護費用低Simple structure, steady performance, low maintenance cost

3.2  二代：雙氣缸升降結(jié)構(gòu) Generation 2: Double cylinder up/down structure

操作簡單，動作迅速，勞動強度低 Simple operation, fast execution, low intensity of manual labor 

3.3  三代：單氣缸升降結(jié)構(gòu) Generation 3: Single cylinder up/down structure

解決了雙氣缸不同步導(dǎo)致的升降欠平穩(wěn)問題，較雙氣缸結(jié)構(gòu)簡單，

相應(yīng)降低了維護費用。It overcomes the problem of unsteady up/down due to unsynchronized double cylinders and it is simpler in structure than that of double cylinder