Adjusting Device Fixing for Disc Brake Tolerances
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Solution Overview
Problem
Existing methods for fixing adjusting devices on disc brakes, particularly pneumatically actuated ones, face challenges with individual positioning and fixing due to production tolerances and material variations, making current methods like welding and adhesive bonding costly, difficult, and non-disassembleable.
Innovation Solution
A method involving inserting the adjusting device into a disc brake's adjusting spindle, centering with a bearing disc, and fixing it to the brake caliper using a locking element like a ball or pin, allowing for individual positioning and a positive-fitting connection without additional machining, enabling easy disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If welding or adhesive bonding is used to fix the adjusting device, then the fixing reliability is improved, but the manufacturing cost increases and disassembly becomes difficult
Solution Approach 1:
The fixing system is divided into separate components: a locking element (such as a ball or pin) and corresponding locking recesses. This mechanical segmentation allows the adjusting device to be fixed reliably while maintaining ease of manufacture and disassembly, avoiding the need for welding or adhesive bonding.
Solution Approach 2:
A locking element serves as an intermediary component between the adjusting device and the brake caliper. This mediator enables reliable fixing through a positive-fitting connection while allowing for easy disassembly by simply removing the locking element, thus resolving the contradiction between fixing reliability and ease of manufacture.
2Reliability
If welding or adhesive bonding is used to fix the adjusting device, then the fixing reliability is improved, but the ease of disassembly deteriorates
Solution Approach 1:
The fixing system is divided into separate components: a locking element (such as a ball or pin) and corresponding locking recesses. This mechanical segmentation allows the adjusting device to be fixed reliably while maintaining ease of manufacture and disassembly, avoiding the need for welding or adhesive bonding.
Solution Approach 2:
A locking element serves as an intermediary component between the adjusting device and the brake caliper. This mediator enables reliable fixing through a positive-fitting connection while allowing for easy disassembly by simply removing the locking element, thus resolving the contradiction between fixing reliability and ease of manufacture.
3Adaptability or versatility
If individual positioning is required due to production tolerances, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The locking element and locking recesses are designed as universal components that can accommodate individual positioning requirements. The locking element can be positioned at different locations around the adjusting device, providing adaptability without increasing overall mechanism complexity.
Solution Approach 2:
The system allows for parameter changes in positioning by enabling the locking element to be installed at different angular positions or locations around the adjusting device. This provides individual positioning capability to compensate for production tolerances while maintaining a simple fixing mechanism.
Data Source
AI summary
A method is provided for fixing an adjustment device on a disc brake, particularly a pneumatically actuated disc brake. The adjustment device is inserted in a previously adjusted idle position into an adjusting spindle of the disc brake, wherein a coupling of a shift fork of the adjustment device is carried out with a rotating lever of the disc brake, and a centering is carried out by a bearing disc of the adjustment device in a receptacle of a brake caliper. The adjustment device is positioned by twisting the same. The adjustment device is secured on the disc brake by locking the bearing disc on the brake caliper by a locking element.