04-06-2013, 11:53 AM
Analysis of the tractor operated tree pruner
Analysis of the tractor.docx (Size: 113.52 KB / Downloads: 29)
Problem Defination
This is a tractor front mounted machine which can trim prune (Thinning/ topping) the trees even taller ones. The machine is mounted to tractor and gets drive from hydraulic system. The attachment includes mounting frame, hydraulic line, hydraulic pump & motor, chain & sprockets, rotary blades and rocker arms.
The present design suits only tractors of size 40 hp and above and modification is costing over Rs 4 lakh. Cost of present machine is very high and is beyond the affordability of small and medium level farmers. If it can be developed for small size tractor or self propelled with its own engine, it can serve the farmers having orchards as well as municipalities who needs to employ no. of manpower for pruning trees roadside.Hence there is need of developing affordable scale down system after optimizing the design.
Working Principle:
The machine is taken near the trees/plants to be pruned (Thinning/ topping) and lifted as per need by the tractor hydraulic controls. The blades can be kept vertical or horizontal as per the need. The machine is controlled by the tractor operator like the construction machine and others.
In view of the factors mentioned above a study on design and development of a tractor operated tree pruner was undertaken with following objectives:
Objectives:
1) Design analysis of the tractor operated tree pruner
2) Optimization in the design of tractor’s hydraulic operated tree pruner
3) Development of scale down prototype of tree pruner suiting to small size tractors or development of self propelled tree pruner based on analysis of present prototype