Conveyor Belt Lifting Device With Over-Center Lever
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Solution Overview
Problem
Conventional conveyor systems face challenges in efficiently separating the conveying member from the support structure for maintenance and service, particularly in applications like underground mining where access is limited and conventional lifting devices are cumbersome or require additional support.
Innovation Solution
A lightweight belt lifting device comprising an elongated member and a pivotable lever mechanism that allows for manual elevation of the conveyor belt, anchored to the existing support structure, utilizing an over-center configuration to maintain the elevated position securely without additional metal arms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional lifting devices are used to separate the conveying member from the support structure, then the belt can be elevated for maintenance, but the devices are cumbersome and require additional support structures
Solution Approach 1:
The lifting device is segmented into three main components: an elongated member that engages the belt, a lever that pivots between positions, and a link that couples them. This segmentation allows each component to perform a specific function and simplifies the overall structure compared to conventional lifting devices
Solution Approach 2:
The lever utilizes the weight of the belt itself as a counterbalance when positioned over-center, eliminating the need for additional counterweights or support structures. The system serves itself by using the load being lifted to maintain the elevated position
2Device complexity
If manual lifting methods are used, then heavy equipment is avoided, but secure positioning of the elevated belt is difficult to achieve
Solution Approach 1:
The lever transitions from a static support structure to a dynamic over-center mechanism that automatically locks into position. When the lever pivots past the vertical position, the belt weight creates a stabilizing moment that prevents accidental movement, providing secure positioning without complex locking mechanisms
Solution Approach 2:
The lifting and positioning functions are merged into a single continuous motion of the lever. The same lever that lifts the belt also maintains its elevated position through its over-center configuration, eliminating the need for separate lifting and positioning mechanisms
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
Enables efficient and secure manual elevation of the conveyor belt for maintenance, allowing for service without the need for heavy lifting equipment and supporting the belt in its natural shape, while being adaptable to various conveyor systems and mining contexts.
Implementation Method 1
a lever. The elongated member includes a first end and a second end. The lever is coupled to at least one end of the elongated member, and the lever includes a base end and a distal end. The lever is pivotable between a first position in which the elongated member is lowered and a second position in which the elongated member is elevated.
Implementation Method 2
A lightweight belt lifting device comprising an elongated member and a pivotable lever mechanism that allows for manual elevation of the conveyor belt
Implementation Method 3
The second end of the elongated member is coupled to the lever in an over-center configuration. When the lever is in one of the first position and the second position, the lever is biased against movement toward the other of the first position and the second position.
Data Source
AI summary
A device for separating a conveying member from a support structure includes an elongated member for engaging a portion of the conveying member, and a lever. The elongated member includes a first end and a second end. The lever is coupled to at least one end of the elongated member, and the lever includes a base end and a distal end. The lever is pivotable between a first position in which the elongated member is lowered and a second position in which the elongated member is elevated.