Compact Turnout Locking Mechanism for Central Rail Vehicles
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Solution Overview
Problem
Existing central rail-guided vehicle turnouts are excessively long due to the need for a large minimum separation distance between guide rails and a distant pivoting point, which increases the turning radius and length of the moving panel, and lack an effective control system and locking mechanism for secure route alignment.
Innovation Solution
A compact operating and locking mechanism that allows the moving panel to pivot around a point closer to the turnout, incorporating a mechanical locking system to secure end positions and prevent spontaneous movement, integrated with the drive motor within the turnout casing to maintain a compact design and avoid invading the vehicle's path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a large minimum separation distance between guide rails is used to allow free passage of guide wheels, then the guide wheels can pass through the turnout, but the turning radius of the moving panel increases and the length of the turnout becomes considerably long
Solution Approach 1:
The patent inverts the conventional approach by positioning the pivoting point at the heel end of the turnout rather than at a distant location. This inversion allows the moving panel to rotate in place with a compact radius, eliminating the need for long turnout designs while still providing adequate clearance for guide wheels through the separation distance between rails on the moving panel
Solution Approach 2:
The patent transitions from a linear extension approach (increasing turnout length) to a rotational approach (pivoting at heel end). By changing the dimension of motion from longitudinal extension to rotational movement around a fixed pivot point, the system achieves the required guide wheel clearance without increasing turnout length
2Ease of operation
If the pivoting point is located very far from the turnout to allow guide wheel passage, then guide wheels can pass through, but the length of the moving panel and total turnout length increase significantly
Solution Approach 1:
Instead of placing the pivoting point far from the turnout, the patent inverts the arrangement by positioning it at the heel end. This allows the moving panel to rotate around a nearby pivot point, significantly reducing the length of the moving panel while maintaining adequate separation between rails for guide wheel passage
3Length of stationary object
If a compact turnout design is used to reduce dimensions, then space is saved, but the system may invade the area intended for vehicle rolling
Solution Approach 1:
The patent uses vertical integration by placing the drive motor and locking mechanism within the turnout casing rather than extending them into the vehicle rolling area. This dimensional reorganization allows compact turnout design while preserving the surface area needed for vehicle tires to roll
4Area of stationary object
If the drive motor and locking system are integrated within the turnout casing, then the design remains compact and surface area is preserved, but the system complexity increases
Solution Approach 1:
The patent merges the drive motor, locking mechanism, and turnout structure into a single integrated unit. The drive motor is positioned within the turnout casing and directly coupled to the moving panel, while the locking mechanism is integrated into the same structure, reducing overall system footprint without significantly increasing operational complexity
Data Source
AI summary
An operating and locking mechanism for turnouts of central rail-guided vehicles, where the mechanism at the entrance of the turnout includes: a guide block fixed to a fixed part comprising having two guide grooves, two shafts fixed to a moving panel, a moving rocking lever which pivots around a shaft attached to the fixed element and centered with respect to the guide block and perpendicular to the main plane thereof, where the rocking lever includes grooves located on the main plane of the rocking lever within which rollers which are at a higher level with respect to the rollers of the shafts can be moved and rolled, and where the mechanism at the exit of the turnout includes: a guide block fixed to the fixed part having two guide grooves, two shafts fixed to the moving panel, a moving rocking lever which pivots around a shaft attached to the fixed element and centered with respect to the guide block and perpendicular to the main plane thereof, where the rocking lever comprises grooves located on the main plane of the rocking lever within which rollers which are at a higher level Z with respect to the rollers of the shafts can be moved and rolled, where the rocking levers move in a synchronous manner and in the same direction by means of rods of the drive motor, generating a rotation of the moving panel around the pivoting point such that the shafts simultaneously reach their locking positions through either the direct route or the diverted route.