Quick-Change Pneumatic Hammer Extender for Modular Hammerheads
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Solution Overview
Problem
Impact hammers have limited reach and require fixed-length extender arms that need replacement when worn, and different hammerheads demand dedicated extender arms, leading to inefficiency and increased maintenance.
Innovation Solution
A pneumatic hammer extender arm assembly with modular components allowing quick attachment and detachment of hammerheads and utility apparatus without tools, featuring a resilient retaining member and stop portions for secure engagement, and separate coupling members for flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If fixed-length extender arms are used, then reach is extended, but replacement frequency increases when worn
Solution Approach 1:
The extender arm assembly is divided into separate modular components: the extender arm body and the hammerhead. The hammerhead can be detached and replaced independently from the extender arm body through a quick-change mechanism, allowing only the worn component to be replaced rather than the entire assembly.
Solution Approach 2:
The quick-change mechanism enables dynamic reconfiguration of the extender arm assembly by allowing operators to quickly attach and detach different hammerheads from the extender arm body without tools, adapting the system to different operational needs and reducing downtime.
2Adaptability or versatility
If dedicated extender arms are provided for different hammerheads, then compatibility is ensured, but device complexity increases
Solution Approach 1:
A universal extender arm body design is provided with a standardized quick-change mechanism that can accommodate multiple types of hammerheads. This single extender arm body serves multiple functions by being compatible with various hammerhead configurations, eliminating the need for separate dedicated extender arms for each hammerhead type.
3Ease of operation
If tool-free quick change mechanism is implemented, then ease of operation improves, but retention reliability must be maintained
Solution Approach 1:
The quick-change mechanism incorporates a self-retaining feature where the hammerhead automatically locks onto the extender arm body through resilient retaining members when engaged. The design allows the hammerhead to secure itself without tools while maintaining reliable retention during operation, and enables easy release when needed.
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
Enables quick and tool-free change of hammerheads and utility apparatus, enhancing reach and adaptability, reducing maintenance and costs.
Implementation Method 1
the utility apparatus engagement portion defines a resilient retaining member for resiliently retaining the hammerhead or other utility apparatus in engagement with the utility apparatus engaging portion during normal use
Data Source
AI summary
A pneumatic hammer extender arm assembly is provided comprising an elongated extender arm body defining a hammer engaging portion formed at a first end of the body, and a hammerhead engaging portion formed at a second end of the body. A hammerhead is detachably engageable to the hammerhead engaging portion to allow for quick change of the hammerhead without the need for any tools. The hammerhead may alternately be implemented to engage and apply an impact force to a fastener that may be axially offset from the extender arm body.