产品名：QJJ20-4A/QJJ30-4A/QJJ40-4A地沟式举升机//Trenchlift详细介绍：电动驱动方式，行星摆线针轮减速，结构新颖，移动灵活，举升力大，升降平稳，自锁性强，操作安装方便，可根据不同用户需求设计制作Electricdrivemode;novelstructure,mobleandflexible;withself-lockingdevices,operationandcaselrinstallation;designedinaccordancewithcustomerneedsQJJ10-4A/QJJ15-4A/QJJ20-4A主要技术参数：//Technicalparameters型号QJJ20-4AQJJ30-4AQJJ40-4A举升重量(t)liftingcapacity203040举升高度(mm)liftingheigth500500500***低高度(mm)Minimumheight121012101210升降速度(mm/s)liftingspeed4.54.54.5额定电压(v)inputvoltage380380380电机功率(kw)motorpower1.5*22.2*23*2整机重量(t)netweight1.71.71.7)