由扬州市煤矿机械厂研制成功的专利产品XDG型系列电液推杆,是目前国内广泛使用的气缸、液压缸、电动推杆和直线电机理想的更新换代产品.该产品可广泛用于煤炭、冶金等部门.适用于需往复推、拉直线(或往复旋转一定角度)运动的机械,也可用于需上升、下降或夹紧工作物的场所.在煤炭系统的推车机、阻车器、摇台、安全门各类闸门中有广泛的应用前景. The patented product XDG series electro-hydraulic putter successfully developed by Yangzhou Coal Mine Machinery Factory is the ideal replacement product of cylinder, hydraulic cylinder, electric push rod and linear motor which are widely used in China at present.The products can be widely used in coal, Metallurgy and other departments. For the need to push the push and pull, straight line (or rotate a certain angle) movement of the machine can also be used to rise, drop or clamping work place. In the coal system cart, car stoppers, Shaker, security doors of various types of gate has a wide range of applications.