Transfer Device Vertical Joint Kinetic Friction
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Solution Overview
Problem
Existing load transfer methods, such as fork lifting, suction pick-up, pick-up belt, and pull-up methods, face issues like space inefficiency, surface limitations, damage from level differences, and excessive stress or wear due to kinetic friction during load transfer, particularly in clamping methods where elastic components are used.
Innovation Solution
A transfer device with a contact body and arm system that generates a horizontal clamping force, connected by a joint allowing vertical movement without clamping direction movement, incorporating elastic bodies to support the contact body and prevent kinetic friction, allowing smooth transfer across level differences while reducing stress on the load and extending the life of contact components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the transfer destination level is set lower than the transfer origin level to enable smooth load transfer, then the load can be transferred easily, but kinetic friction force is generated between the contact body and the load causing wear and damage
Solution Approach 1:
The contact body is designed to be movable in the vertical direction relative to the arm through a joint mechanism. This dynamic adjustment allows the contact body to follow the load's vertical movement during transfer, maintaining optimal contact without generating excessive kinetic friction, thus resolving the contradiction between smooth transfer and wear prevention
Solution Approach 2:
The vertical position of the contact body is changed dynamically during the transfer process. By adjusting the contact body's vertical parameter (position) to match the load's position, the system maintains smooth transfer while minimizing harmful kinetic friction forces
2Object-affected harmful factors
If the elastic body is used for the contact body to absorb friction, then wear is reduced, but the elastic body requires frequent replacement
Solution Approach 1:
The patent replaces the traditional elastic body material with a rigid contact body combined with a mechanical joint system. The joint mechanism provides the necessary compliance and movement capability that was previously achieved through elastic materials, eliminating wear and the need for frequent replacements while maintaining the same functional benefits
3Reliability
If excessive clamping force is applied to support the load continuously, then the load is securely held, but the load is heavily stressed and may be damaged
Solution Approach 1:
The contact body's vertical movement capability allows it to dynamically adapt to the load's position changes during transfer. This reduces the need for excessive clamping force to maintain continuous support, as the contact body naturally follows the load's vertical trajectory, thereby securing the load without causing damage
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively reduces kinetic friction and wear on contact components, minimizing stress on the load and extending the life of contact parts, enabling efficient and damage-free transfer of loads between storage spaces with varying levels.
Implementation Method 1
the joint includes an elastic body which supports the contact body in an upward biased state with respect to the arm
Data Source
AI summary
A transfer device which transfers a clamped load, by sliding the load, between a rack and an elevating table that are adjacent to each other, includes a contact body which comes into contact with the load; an arm which generates, through the contact body, a force in a clamping direction that is a horizontal direction with respect to the load; and a joint which connects the contact body and the arm movably in a vertical direction, without moving the contact body in the clamping direction with respect to the arm.