Torque Reaction Pulley for Crusher Drive Torque Isolation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional inertia cone crushers experience accelerated wear and unexpected failure due to high dynamic forces from unbalanced weights, leading to maintenance challenges in material processing lines.
Innovation Solution
A torque reaction pulley is integrated into the drive transmission mechanism to dissipate dynamic torque and isolate components from excessive mechanical loading, allowing for flexible movement of the unbalanced weight and maintaining a desired rotational path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If an unbalanced weight is rotated around the central axis of the crusher to create gyroscopic precision, then crushing performance is improved, but high dynamic forces are generated causing accelerated wear and unexpected failure
Solution Approach 1:
A torque reaction pulley is introduced as an intermediary component between the drive mechanism and the unbalanced weight. This pulley absorbs and dissipates the reaction torque generated by the rotating unbalanced weight, preventing these high dynamic forces from being transmitted to the drive transmission components. The pulley acts as a mediator that allows the unbalanced weight to rotate with gyroscopic precision while protecting the drive system from excessive wear and failure.
2Measurement precision
If a rigid drive transmission mechanism is used to rotate the unbalanced weight, then precise rotational control is achieved, but exaggerated dynamic forces cause wear and fatigue of component parts
Solution Approach 1:
The torque reaction pulley serves as a flexible intermediary in the drive transmission chain. It allows precise rotational control of the unbalanced weight while simultaneously absorbing the harmful dynamic forces. The pulley's design enables it to accommodate the exaggerated dynamic forces through elastic deformation or controlled slippage, preventing these forces from reaching the other transmission components.
Solution Approach 2:
The system changes the mechanical parameters of the drive transmission by introducing a component with different stiffness and damping characteristics. The torque reaction pulley has controlled flexibility that allows it to deform under high dynamic loads, changing the transmission characteristics from rigid to semi-flexible. This parameter change enables the system to maintain rotational precision while reducing the transmission of harmful forces.
3Reliability
If the unbalanced weight is allowed to move freely to dissipate torque, then wear on drive components is reduced, but control over rotational path is lost
Solution Approach 1:
The torque reaction pulley acts as a controlled intermediary that permits limited movement of the unbalanced weight to dissipate torque while maintaining rotational stability. The pulley's design allows it to absorb reaction forces during normal operation, accommodating small deviations in the rotational path without compromising overall control. This mediates between the need for free movement to reduce wear and the need for stable rotational control.
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 torque reaction pulley reduces wear and prevents premature failure of drive transmission and crusher components by dissipating reaction torque, enabling efficient operation and reduced maintenance needs.
Implementation Method 1
an elastic component formed non-integrally with the input and output portions and having a first part anchored in coupled connection with the drive input portion and a second part anchored in coupled connection with the drive output portion so as to be positioned in the drive transmission pathway intermediate the drive input and output portions; the elastic component configured to transmit a torque to the mass body and to dynamically displace and/or deform elastically in response to a change in the torque resultant from rotation of the mass body within the crusher so as to dissipate the change in the torque at the crusher
Data Source
AI summary
A torque reaction pulley for an inertia cone crusher having an elastically deformable component responsive to a change in torque through the drive transmission of the crusher due to rotation of an unbalanced weight within the crusher.