Clamp Device Anchor and Spring Biasing for Guardrail Cross-Member
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing clamp and frame systems, such as guard rail or safety rail systems, face challenges in securely attaching cross members to support posts, particularly in adjusting and tightening the clamping mechanism effectively.
Innovation Solution
A clamp device with an anchor element held captive by the support post, featuring displacement means for pivoting or rocking between clamping and docking positions, and a resilient biasing mechanism, such as a spring, to ensure secure attachment of cross members, along with a tightening actuator arrangement for adjustable clamping force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a clamp device uses a resilient biasing mechanism to automatically clamp cross members to support posts, then the ease of operation is improved, but the device complexity increases due to additional components like springs and actuators
Solution Approach 1:
The clamp device automatically clamps the cross member to the support post using a resilient biasing mechanism (spring) that exerts clamping force without requiring manual intervention. The device serves itself by maintaining constant contact pressure through the spring's elastic recovery, eliminating the need for continuous human adjustment or monitoring
Solution Approach 2:
The clamp device incorporates a dynamic actuator mechanism that can adjust the clamping force as needed. The actuator (such as a screw mechanism or cam) allows the clamp to transition between different clamping states, providing both automatic clamping and adjustable tightening capabilities through mechanical motion
2Manufacturing precision
If a clamp device incorporates a tightening actuator arrangement for adjustable clamping force, then the manufacturing precision is improved, but the device complexity increases due to additional actuating mechanisms
Solution Approach 1:
The clamp device is divided into distinct functional segments: the clamping portion that contacts the cross member, the actuator mechanism that provides adjustable tightening, and the resilient biasing mechanism that maintains constant force. This segmentation allows each component to be optimized independently while working together to achieve precise clamping force control
Solution Approach 2:
The actuator mechanism serves as an intermediary between the operator and the clamping action. It translates rotational or linear motion into controlled clamping force adjustment, providing precise control over the tightening process while isolating the operator from direct contact with high-force clamping elements
3Reliability
If the anchor element is held captive internally of the support post, then the reliability is improved, but the ease of manufacture worsens due to more complex assembly requirements
Solution Approach 1:
The anchor element is nested within the support post structure, with the clamp device's connecting element passing through the support post to engage the internally held anchor. This nesting arrangement secures the anchor element in place while allowing the clamp device to be attached and detached from the exterior, providing both reliability and accessibility
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 solution allows for versatile and efficient attachment of cross members to support posts, enabling easy positioning and secure holding without additional tools, accommodating various configurations and ensuring reliable retention of cross members across multiple support posts.
Implementation Method 1
resilient biasing means arranged to bias the clamp toward the first position
Implementation Method 2
The resilient biasing means may comprise a spring provided about a shaft
Implementation Method 3
The tightening actuator arrangement may comprise a shaft having a thread cooperating with the anchor element
Implementation Method 4
The actuator arrangement includes an actuator that is actuable from externally of the clamp device by a mechanical tool
Data Source
AI summary
A clamp device for a frame system (1) for example a support post (2) and guardrail arrangement) having an anchor (13) to be held captive by a support post and a clamping portion of the device which is movable with respect to the support between a first position for clamping a cross- member (5) and a second position for permitting the cross-member (5) to be docked or un-docked with the clamp device. Resilient biasing means, such as a spring (16), is provided to bias the clamp toward the first position.