Multi-functional Connector for Drill Head Versatility
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Solution Overview
Problem
Existing solutions for drilling anchor holes and tightening anchor nuts lack safety, ease of handling, and versatility in application, often requiring additional adapters and being limited in the range of functional drill elements they can accommodate.
Innovation Solution
A multi-functional connector that connects different functional drill elements to a drill head, featuring a first and second receptacle with driving surfaces for torque transfer and a retainer element to prevent movement, allowing for efficient drilling and nut tightening without additional adapters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing drill heads use single-function connectors, then the device structure is simple, but the versatility of application is limited and additional adapters are required
Solution Approach 1:
The connector is designed with multiple receptacles (first receptacle for drill steel, second receptacle for tightening rod) and multiple driving surfaces that can engage with different functional drill elements. This allows a single connector to perform both drilling and tightening operations, eliminating the need for separate adapters and improving versatility while maintaining reasonable structural complexity.
2Ease of operation
If existing solutions require additional adapters for different drill elements, then the connector structure remains simple, but the ease of operation deteriorates due to multiple component changes
Solution Approach 1:
The patent combines multiple functions (drilling, tightening, and various drill steel configurations) into a single connector unit. The first and second receptacles, along with multiple driving surfaces, are integrated into one component that can accommodate different functional drill elements without requiring separate adapters, thereby improving ease of operation.
3Reliability
If the connector uses single driving surface design, then the manufacturing is simpler, but the reliability of torque transfer is reduced
Solution Approach 1:
The connector features multiple driving surfaces with different geometries and orientations tailored to specific functional drill elements. Each driving surface is optimized for its intended purpose (e.g., square cross-section for drill steel, hexagonal for tightening rod), providing reliable torque transfer for each application while maintaining manufacturability through standardized production methods.
4Reliability
If the retainer element is omitted, then the device structure is simpler, but the safety during drilling operations deteriorates due to potential drill element movement
Solution Approach 1:
The retainer element is designed to automatically engage with the functional drill element during the drilling operation, preventing unintended movement or disengagement before the drilling is complete. This preliminary safety mechanism is integrated into the connector structure without requiring additional complex components or manual intervention.
Data Source
AI summary
A multi-functional connector is arranged for connecting a functional drill element to a drill head, such as an extendable cylinder of a drill head. The multi-functional connector includes a first connecting element having a first receptacle, a second connecting element having a second receptacle, and a retainer element having a retainer opening. The first receptacle has at least two driving surfaces for transferring a torque in a first direction, the second receptacle has at least two driving surfaces for transferring a torque in a first direction and in a second, opposite direction, and the retainer element has at least one retaining section to prevent a movement of a second functional drill element relative to the second connecting element in a retracting position of the second functional drill element.