Automated Holding System for Precast Concrete Elements
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Solution Overview
Problem
Existing holding systems for precast concrete parts require manual operation and are not suitable for automated systems, as they lack the ability for automated connection and release of fastening elements, especially in inaccessible or hard-to-reach locations.
Innovation Solution
A holding system with a fastening element that can be automatically fixed to the holding part by rotating about a fixing axis parallel to the lifting direction, equipped with a safety device for monitoring and a stop mechanism to secure the fastening position, allowing for automated operation and remote monitoring, enabling quick and easy attachment and detachment without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual connection of fastening element to holding part is used, then ease of operation is maintained, but extent of automation is reduced
Solution Approach 1:
The fastening element is designed to automatically engage with the holding part through its own weight and geometric shape. The asymmetrical design of the fastening element causes it to naturally rotate and lock into position when placed on the holding part, eliminating the need for manual manipulation or complex actuation mechanisms.
Solution Approach 2:
The patent replaces manual mechanical operation with a automated placement system. The fastening element's design allows it to be simply placed onto the holding part by an automated system, which then automatically orients and secures itself through gravitational force and geometric constraints, substituting complex manual mechanical operations with a simpler automated placement action.
2Reliability
If complex multi-part fastening element is used, then reliability of fastening is improved, but device complexity increases
Solution Approach 1:
The fastening element is designed as a single integrated component with distinct functional zones: an engagement portion that hooks onto the holding part, a rotational axis portion, and a locking portion. This segmentation of functions within a single part achieves reliable fastening without the complexity of multiple separate components.
Solution Approach 2:
The fastening element is designed as a universal component that can be used with various holding part configurations. Its asymmetrical design and standardized engagement features allow it to reliably fasten to different holding part types, reducing the need for multiple specialized fastening components.
3Ease of operation
If rotation about vertical axis is used for fixing, then ease of operation is improved, but adaptability to automated systems is reduced
Solution Approach 1:
Instead of requiring the automated system to perform complex rotational maneuvers to secure the fastening element, the design inverts the approach: the fastening element is designed to automatically rotate and lock when simply placed onto the holding part. This reverses the complexity from the automation system to the passive fastening component geometry.
4Reliability
If manual securing of fastener is required, then reliability of fastening is improved, but productivity is reduced
Solution Approach 1:
The fastening element is pre-designed with an asymmetrical geometry that automatically orients it correctly during placement. The engagement portion is shaped to naturally align with the holding part features, and the locking portion is positioned to automatically engage when the fastening element settles into place, eliminating the need for subsequent manual securing actions.
Data Source
Figure 1
Figure 2~3
Figure 4~7
AI summary
A holding system (1), in particular for transporting precast concrete elements (2), comprises a holding element (3) designed for casting into a precast concrete element (2) and a fastening element (4) designed for connection to a lifting system. The fastening element (4) has a receptacle (7) for a head (6) of the holding element (3). The head (6) has at least two opposing retaining sections (9). The fastening element (4) has opposing fastening sections (8) that define the receptacle (7) and which, in a fastening position (40) of the holding system (1), each engage a retaining section (9) of the holding element (3), thereby holding the holding element (3) in a lifting position (40) within the receptacle (7). The holding system (1) has a locking device that has an unactuated state (23) and an actuated state (22). The state of the locking device can be monitored by an operator.The locking device is designed to automatically assume the actuated state (22) when the retaining system (1) assumes the fastening position (40). A precast concrete element (2) with a retaining part (3) of a retaining system (1) has a recess (5) into which a section of the retaining part (3) projects.