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河南省许昌市魏都区农委等单位研制的WD-Ⅲ型混凝土管道现场制铺一次成型机,于1989年4月通过水利部建设开发司技术鉴定,并荣获河南省优秀发明奖,同年又荣获全国第四届铜牌奖。 WD-Ⅲ型挥凝土管道现场制铺一次成型机包括机头、机身、机尾三部分。机头用来控制前进方向,使机具不能左右移动,机头上还有底部补浆斗、底部振动成型器,保证管底光滑密实。机身部分有前后两个料斗、托板和上部振动成型器,托板可以控制机具不能上下摆动,上部成型器可使管道在机具内部吻合成圆。机尾是一个抹光器,使刚刚制铺的管道进一步补浆挤压抹光,开沟时用自制开沟器开挖成半
Henan Province Xu Weidong Agricultural Committee and other units developed by WD-Ⅲ-type concrete pipe shop site a shop molding machine, in April 1989 through the Ministry of Water Resources Construction and Development Division of technical appraisal, and won the Henan Province Excellent Invention Award, the same year and Won the fourth bronze medal award. WD-Ⅲ type of concrete pipe site construction site made a machine, including the nose, fuselage, tail three parts. The nose is used to control the direction of advancement so that the implement can not move left and right. There is also the bottom fill bucket at the bottom of the machine and the vibration shaker at the bottom to ensure the smooth and dense bottom of the tube. Body part of the front and rear two hoppers, pallet and the upper part of the vibration shaper, pallet can not control the device can not swing up and down, the upper part of the pipe can make the pipe within the agreement into a circle. The tail is a trowel, the pipe just just making shop squeeze squeeze squeeze light, ditching when using homemade opener excavation into half