Wolfberry Picking Walking Power Control System
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Solution Overview
Problem
The increasing wolfberry planting area and labor shortages have made manual and small hand-held picking methods inefficient, leading to increased labor costs and inability to meet demand.
Innovation Solution
A walking power control system for wolfberry picking, featuring a triangular frame with rotating wheels, hydraulic motors, gear mechanisms, and a vibrating and shaking device, which allows for mechanized picking and efficient movement over uneven terrain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual picking or small hand-held picking devices are used, then the device complexity is low, but the productivity is insufficient to meet the increasing wolfberry planting area
Solution Approach 1:
The picking system is divided into multiple independent modules including hydraulic lifting mechanism, vibrating picking mechanism, supporting frame, and control system. Each module performs a specific function and can be independently maintained or replaced, resolving the contradiction by enabling high productivity through modular complexity rather than monolithic complexity
Solution Approach 2:
The walking picking machine integrates multiple functions into a single device: locomotion (walking mechanism), lifting (hydraulic system), picking (vibrating mechanism), and collection. This multi-functionality achieves high productivity while consolidating system complexity into one universal machine rather than requiring multiple separate devices
2Speed
If walking mechanism with hydraulic motors is used, then the speed and mobility are improved, but the weight of the device increases
Solution Approach 1:
Hydraulic motors are used to power the walking wheels, providing high torque and fast response for rapid movement. The hydraulic system enables the machine to achieve high speed and mobility while the fluid power transmission efficiently delivers force without requiring overly heavy mechanical gear systems
Solution Approach 2:
The hydraulic system allows dynamic adjustment of movement speed and force output. The machine can adapt its power delivery to match terrain conditions and picking requirements, optimizing the weight-to-performance ratio by only using the necessary power at any given moment rather than being constantly overloaded
3Productivity
If vibrating and shaking device is added for mechanized picking, then the productivity increases, but the stability on uneven terrain may be compromised
Solution Approach 1:
The vibrating picking mechanism is separated from the main supporting frame and mounted on independent suspension elements. This segmentation allows the picking mechanism to vibrate intensely for high productivity while the frame maintains stability through its separate, heavier construction and wide wheelbase
Solution Approach 2:
The hydraulic lifting mechanism and supporting structure are designed with sufficient stiffness and damping capacity beforehand to counteract the vibrations from the picking mechanism. This pre-engineered stability ensures the frame remains stable even when the picking mechanism operates at full vibration amplitude for maximum productivity
Data Source
AI summary
A walking power control system for wolfberry picking, including a frame, a turntable, rotating rods, first gears, second gear, gear racks, supporting rods, hydraulic motors, a front traveling wheel, a left traveling wheel and a right traveling wheel. Hydraulic motors rotate to drives three traveling wheels to rotate, thereby driving the frame to move, when it is necessary to turn, a turntable is rotated, the turntable rotates to drive two first gears to rotate, and the two first gears rotate to drive the supporting rods to rotate, thereby driving the left traveling wheel and the right traveling wheel to rotate, so that the traveling direction of the frame is changed.