JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 1993, Vol. 17 ›› Issue (04): 66-69.doi: 10.3969/j.jssn.1000-2006.1993.04.014

Previous Articles     Next Articles

A STUDY ON SOME PROBLEMS IN DESIGNING HYDRAULIC TIMBER GRABS

She Xiaotao   

  1. Department of Mechanical Engineering
  • Online:1993-12-18 Published:1993-08-18

Abstract: This paper deals with size selection of four linkages mechanism in step, calculating push force of closed cylinder and strength of grab arm in hydraulic timber grabs. And also it provides a practical method for grab designing.