Turnstile Rotation Assembly With Auto-Return and Overload Protection
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Solution Overview
Problem
Conventional turnstiles lack versatility in operation modes, failing to meet the diverse needs of users in mass transit stations and office lobbies.
Innovation Solution
A rotation device comprising a base seat, an axle unit, and a restoring unit, which allows for various operation modes by incorporating a lock unit, buffer unit, and overload protection unit, enabling smooth operation and user access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional turnstile is used, then the structure is simple, but the operation modes are limited and cannot meet diverse user needs
Solution Approach 1:
The rotation device is designed to perform multiple functions by integrating different operation modes (free rotation, locked rotation, controlled rotation) into a single device structure, allowing the turnstile to adapt to various user needs and scenarios without requiring multiple separate devices
Solution Approach 2:
The device incorporates dynamic control mechanisms including a lock unit that can engage and disengage, a buffer unit that provides controlled resistance, and a restoring unit that automatically returns the axle to its original position, enabling the turnstile to switch between different operational states and modes
2Productivity
If the barrier rotates quickly, then the operation efficiency is high, but user safety is compromised due to injury risk
Solution Approach 1:
The buffer unit is designed to provide cushioning force during the rotation process, creating a safety mechanism that prevents the barrier from rotating too quickly or too forcefully, thereby protecting users from potential injury while still allowing efficient operation
3Reliability
If the turnstile operates without overload protection, then the device complexity is low, but internal components may be damaged under excessive load
Solution Approach 1:
The overload protection unit is designed to detect and respond to excessive loads before they can cause damage to internal components, automatically engaging protection mechanisms that prevent harmful forces from reaching vulnerable parts of the device
4Ease of operation
If the barrier remains in the rotated position, then user access is facilitated, but the turnstile cannot serve the next user efficiently
Solution Approach 1:
The restoring unit is designed to automatically return the upper axle and barrier to their original positions after use, preparing the turnstile for the next user without requiring manual intervention, thereby eliminating waiting time and maintaining continuous operation efficiency
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 rotation device enhances operational flexibility and safety by allowing automatic barrier rotation back to the original position, slow rotational speed to prevent injury, and overload protection to prevent damage to internal components.
Implementation Method 1
The restoring unit is for restoring the upper axle to its original position after the upper axle is rotated
Data Source
AI summary
A rotation device includes a base seat, an axle unit and a restoring unit. The axle unit includes an upper axle that extends into the base seat. The restoring unit permits the upper axle to extend therein. The restoring unit is for restoring the upper axle to its original position after the upper axle is rotated.