Electric Actuator Locking Manual Cabin Tilt Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manual tilt mechanisms in industrial vehicles lack effective control systems to prevent cabin tilt when the radiator grill is closed, unlike electrically driven systems, which can cause damage.
Innovation Solution
An electric actuator is coupled with the manual tilt mechanism's hub or lever, using a linear or rotary axis to interfere with movement, and a switch system ensures the actuator locks when the radiator grill is closed, preventing cabin tilt.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual tilt means are used without control system, then ease of operation is improved, but reliability deteriorates due to inability to prevent damage when radiator grill is closed
Solution Approach 1:
An electric actuator is introduced as an intermediary device between the operator and the manual tilt mechanism. The actuator receives control signals from the control unit and mechanically interferes with the tilt mechanism's operation through its axis, enabling controlled inhibition of cabin tilt while preserving the manual operation interface.
Solution Approach 2:
The control unit receives feedback signals from sensors detecting the radiator grill state and automatically commutes the actuator's state accordingly. When the radiator grill is closed, the control unit activates the actuator to lock the tilt mechanism; when open, it deactivates the actuator to permit operation, creating a closed-loop control system that prevents damage.
2Reliability
If electric actuator is added to control manual tilt, then reliability is improved through damage prevention, but device complexity increases
Solution Approach 1:
The control function is extracted from the manual tilt mechanism itself and separated into distinct components: a control unit that processes sensor signals and an electric actuator that executes the inhibition action. This modular approach allows the manual tilt mechanism to remain simple while adding control capability through separate, independently manageable components.
Solution Approach 2:
The control system operates autonomously by automatically detecting the radiator grill state through sensors and commutting the actuator state without requiring manual intervention. The system self-regulates the tilt mechanism based on real-time sensor feedback, eliminating the need for complex manual control interfaces or additional operator actions.
3Reliability
If actuator axis interferes with hub movement, then cabin tilt control is achieved, but ease of operation deteriorates due to restricted manual access
Solution Approach 1:
The electric actuator's axis is designed to be dynamically positionable between two states: an extended position where it interferes with the hub to lock the tilt mechanism, and a retracted position where it clears the hub to permit manual operation. The control unit commutes the actuator between these states based on radiator grill sensor feedback, enabling conditional control without permanent restriction of manual access.
Data Source
Figure 1~2
Figure 3~5
Figure 6
AI summary
System for inhibiting the cabin tilt, the cabin comprising manual tilt means (HP) that can be operated by an operation wrench or lever (RD), the system comprising means for detecting an authorization condition and locking means (A) movable between a condition of consent and a condition of mechanical interference of the functioning of the manual tilt means (HP) in relation to the condition of consent.