Floating-Disk Brake System for Planetary Gear Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing brake systems for rotating shafts in transportation vehicles and machine tools require significant modification and additional parts, leading to increased complexity and heat generation during braking, which affects braking performance and longevity.
Innovation Solution
A floating-disk type brake system incorporating a planetary gear with a fixing mechanism, rotation transfer means, driven means, and disk assemblies that allow for frictional engagement between elements, reducing the number of parts and modification needed, and minimizing heat generation by braking at a lower relative speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional brake system with stationary support arm and multiple gears is used, then braking force can be applied to the rotating shaft, but the number of parts increases and modification of existing machines becomes complex
Solution Approach 1:
The patent combines the brake system with the planetary gear mechanism, merging the braking function into the existing gear structure. The support arm is integrated with the planetary gear carrier, and the braking elements are positioned within the gear assembly, eliminating the need for separate stationary support structures and reducing overall part count.
Solution Approach 2:
The planetary gear mechanism serves dual functions: power transmission and braking. The same gear elements that transmit motion also provide the braking surface when engaged with the brake pads, allowing one component to perform multiple functions and reducing the need for additional dedicated braking parts.
2Productivity
If braking is applied at high rotating speed difference, then braking force is generated quickly, but heat generation increases affecting braking performance and longevity
Solution Approach 1:
The brake system is designed to adapt to different operating conditions. The brake pads can engage at various positions within the planetary gear mechanism, allowing the braking surface velocity to be dynamically adjusted. This enables effective braking while controlling heat generation by selecting appropriate engagement points based on operating speed and load conditions.
Solution Approach 2:
The planetary gear mechanism acts as an intermediary between the rotating shaft and the stationary brake components. By utilizing the gear reduction ratio, the system can achieve effective braking force while reducing the relative speed at the braking interface, thereby minimizing heat generation during the braking process.
3Reliability
If multiple gears and stationary members are incorporated into the brake system, then braking capability is achieved, but integration into existing machines becomes difficult
Solution Approach 1:
The brake system is merged with the planetary gear assembly, utilizing existing gear components as part of the braking mechanism. The support arm is integrated with the gear carrier, and brake pads are positioned to engage with gear teeth or surfaces, allowing the brake system to be incorporated into existing machinery without requiring separate stationary support structures.
Solution Approach 2:
The planetary gear mechanism provides universal applicability by serving both power transmission and braking functions. This multi-functionality allows the same component to be used across different machine applications, improving adaptability and reducing the need for custom-designed braking systems for each existing machine.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides stable and constant braking force with reduced heat generation and wear, extending the service life of components and simplifying integration into existing machines.
Implementation Method 1
a frictional force acts between the rotating members 2 and 9. This frictional force slows the rotation of the first gear 3 and the second gear 6
Implementation Method 2
a first gear 3 is fixedly mounted on the shaft 1 for rotation together with the shaft 1. A second gear 6 is supported for rotation by a support shaft 5 on a support arm 4, and is engaged with the first gear 3
Data Source
AI summary
A floating-disk type brake system that includes floating disk assemblies placed respectively in spaces between a rotating member, such as a wheel of a transportation machine or a rotating shaft of a machine tool, and a stationary member to reduce differences in the rotating speed of adjacent sliding surfaces of the floating disk assemblies in frictional sliding engagement. The floating-disk type brake system includes a first floating disk assembly and a first disk assembly that are arranged between the ring gear and the planet carrier of a planetary gear built in a transmission or the like, and the first floating disk assembly and the first disk assembly are pressed together into frictional engagement to brake a rotating shaft.