Motor powered lifting rack system
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Solution Overview
Problem
Conventional power racks in gyms are inefficient in maximizing limited resources such as equipment, time, and space, as they require manual adjustment and are not secure for loading weights, leading to increased risk of injury and inefficiency in training multiple users with different exercises.
Innovation Solution
A motor-powered lifting rack system with linear actuators that selectively lifts and lowers barbells and safety bars, securing them with latches, and includes a platform for actuating benches that can reposition the barbell for different exercises, reducing manual effort and enhancing safety through a redundant spotting system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual adjustment of J-hooks and safety bars is used in conventional power racks, then device complexity is reduced, but productivity decreases due to continuous manual reconfiguration needed for each user and exercise
Solution Approach 1:
The system uses sensors to automatically detect when a barbell is placed on the rack and triggers the motorized actuators to self-adjust the J-hooks and safety bars to appropriate positions, eliminating the need for manual reconfiguration by users between exercises and users
Solution Approach 2:
Manual mechanical adjustment of J-hooks and safety bars is replaced with motorized linear actuators that automatically position these components based on sensor input, transforming a manual mechanical system into an automated electromechanical system
2Reliability
If barbell is not secured on J-hooks in conventional power racks, then ease of operation is improved for quick adjustments, but reliability decreases due to risk of barbell tipping over during uneven loading
Solution Approach 1:
The latching mechanism is automatically engaged by the system before weight loading begins, securing the barbell to the J-hooks in advance to prevent tipping during the weight loading process, while still allowing quick release when needed
Solution Approach 2:
A latching mechanism serves as an intermediary component between the barbell and J-hooks, providing automatic securing without requiring manual intervention, thus maintaining safety while preserving ease of operation
3Loss of time
If multiple users share the same power rack, then loss of substance is reduced by reusing equipment, but loss of time increases due to continuous manual reconfiguration for each user and exercise
Solution Approach 1:
The system automatically detects barbell placement and triggers motorized actuators to reposition J-hooks, safety bars, and benches without user intervention, enabling rapid transitions between different users and exercises while minimizing reconfiguration time
Solution Approach 2:
The motorized actuation system provides universal functionality across multiple exercises and users, with a single automated system handling J-hook adjustment, safety bar positioning, and bench movement for various lifting configurations
4Adaptability or versatility
If manual bench placement is required for different exercises, then device complexity is minimized, but adaptability decreases for accommodating multiple exercises with the same barbell
Solution Approach 1:
The motorized actuation system provides universal functionality across multiple exercises and users, with a single automated system handling J-hook adjustment, safety bar positioning, and bench movement for various lifting configurations
Solution Approach 2:
The bench is transformed from a static component to a dynamic one that can be automatically moved and positioned by motorized actuators, enabling the same bench to serve multiple exercises and users through automated repositioning
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 system increases efficiency and precision in adjusting equipment, allows multiple users to perform different exercises with the same weight, reduces the risk of injury by providing real-time spotting, and minimizes the time and space required for training.
Implementation Method 1
A motor-powered lifting rack system with linear actuators that selectively lifts and lowers barbells and safety bars
Implementation Method 2
The actuating benches on the outside of uprights can additionally 'spot' the barbell and tilt to roll the barbell along the platform to reposition it
Data Source
AI summary
A motorized lifting rack that selectively lifts and lowers a barbell through linear actuators is provided. The powered lifting rack can engage a barbell at floor level. The linear actuators can also selectively raise and lower safety bars design to “spot” the barbell for a single user. The powered lifting rack is embodied in a system that includes a platform that the safety bars can nest in. The platform provides a plurality of actuating benches for a user of the barbell to utilize.