Beam Trolley Width Adjustment via Threaded Shaft and Aligner
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Solution Overview
Problem
Conventional beam trolleys lack an effective mechanism for adjusting their width to accommodate different beam sizes, which limits their versatility and requires users to remove the load to adjust the trolley's position, compromising efficiency and safety.
Innovation Solution
The implementation of a width adjustment system in beam trolleys, featuring a threaded shaft and hand wheels that allow manual adjustment of the distance between side plates, along with a locking mechanism and aligners to prevent rotation of the main load bar, enabling independent movement of side plates without decoupling from the beam.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional beam trolleys are used without a width adjustment system, then the structure remains simple, but the versatility is reduced and load removal is required for adjustment
Solution Approach 1:
The beam trolley employs a dynamic width adjustment system where the distance between side plates can be changed during operation. The threaded shaft mechanism allows the side plates to move relative to each other, enabling the trolley to adapt to different beam widths without requiring complete disassembly or load removal.
Solution Approach 2:
The trolley structure is segmented into movable components including side plates, a main load bar, and adjustment mechanisms. This segmentation allows independent movement of the side plates relative to the main load bar, facilitating width adjustment while maintaining the overall structural integrity and load-bearing capability.
2Productivity
If the beam trolley allows independent side plate movement, then the width adjustment efficiency is improved, but the risk of rotation of the main load bar increases
Solution Approach 1:
The aligner acts as an intermediary component between the threaded shaft and the main load bar. It engages with the alignment surface on the threaded shaft to prevent rotation of the main load bar during width adjustment, thereby maintaining stability while allowing the side plates to move independently.
Solution Approach 2:
The alignment surface is pre-configured on the threaded shaft at a position that ensures engagement with the aligner before adjustment begins. This preliminary arrangement of the alignment features ensures that rotational prevention is automatically activated as part of the adjustment mechanism, maintaining reliability throughout the adjustment process.
3Manufacturing precision
If a locking mechanism is added to prevent hand wheel rotation, then the adjustment precision is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is designed to be self-actuating through the interaction between the aligner and the alignment surface. As the threaded shaft is rotated for adjustment, the aligner automatically engages with the alignment surface to lock the position, eliminating the need for separate manual locking operations and reducing overall system complexity while maintaining precision.
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
This solution allows for quick and efficient adjustment of the beam trolley's width without removing the load, enhancing its versatility and safety by maintaining secure coupling with the beam, facilitating easier movement and load distribution.
Implementation Method 1
a main load bar coupled with the first side plate and the second side plate and including a threaded shaft; a threaded hand wheel coupled with the threaded shaft and configured to move the threaded shaft relative to the first side plate and/or the second side plate in response to manual rotation of the threaded hand wheel
Data Source
AI summary
A beam trolley having a width adjustment system includes a first side plate having two or more wheels configured to couple with a beam (which may have an I-beam, wide flange (W-type) I-beam, or standard (S-type) I-beam configuration). A second side plate having two or more wheels coupled thereon is configured to couple with the beam. A main load bar couples with the first and second side plates and includes a threaded shaft having a first alignment surface. A threaded hand wheel couples with the threaded shaft and is configured to move the threaded shaft relative to the first and/or second side plate(s) in response to manual rotation of the threaded hand wheel to adjust a distance between the first and second side plates. An aligner couples with one of the side plates and includes a surface engaging the first alignment surface to prevent rotation of the main load bar.