Crane Claw Adjustment Plate for Variable Opening Range
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Solution Overview
Problem
Conventional claw devices for crane machines have limited adjustability in opening and closing, requiring multiple devices for different sizes of prizes and frequent replacements, which is inconvenient and costly.
Innovation Solution
A claw adjustment device with a carrying seat, adjusting plate, resilient member, and positioning tenon that allows for adjustable opening and closing without tools, ensuring the claw bodies can accommodate various prize sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional claw devices are used with fixed opening and closing ranges, then the structure is simple and reliable, but the adaptability to different prize sizes is poor
Solution Approach 1:
The patent applies the dynamics principle by making the claw opening and closing range adjustable rather than fixed. The adjustment plate can be rotated to different positions, changing the effective length of the linkage rods and thereby adjusting the claw's opening and closing range to match different prize sizes, transforming a static structure into a dynamic, adaptable one.
Solution Approach 2:
The patent implements parameter changes by modifying the effective length of the linkage rods through the adjustment plate mechanism. By rotating the adjustment plate to different angular positions, the parameter of linkage rod effective length is changed, which directly adjusts the claw's opening and closing range to suit different prize dimensions.
2Adaptability or versatility
If multiple claw devices of different specifications are purchased to accommodate various prize sizes, then the adaptability is improved, but the cost and operational complexity increase
Solution Approach 1:
The patent applies universality by designing a single claw device that can perform multiple functions through adjustment. The same claw device can accommodate different prize sizes by simply rotating the adjustment plate to the appropriate position, eliminating the need to possess and switch between multiple specialized claw devices.
Solution Approach 2:
The dynamic adjustment mechanism allows the claw device to adapt its characteristics in real-time during operation. The adjustment plate can be rotated while the crane is in use, enabling dynamic adaptation to different prize sizes without requiring multiple static devices or complex replacement procedures.
3Strength
If the adjustment plate is made with grooves recessed from the outer circumferential periphery, then the structural strength is maintained, but the number of adjustable degrees is limited
Solution Approach 1:
The patent applies segmentation by dividing the adjustment plate into functional zones: the grooved peripheral region maintains structural strength, while the central region contains multiple grooves of different lengths that provide adjustment functionality. This segmentation allows the plate to simultaneously achieve both structural integrity and multiple adjustment degrees.
Solution Approach 2:
The patent implements local quality by having different regions of the adjustment plate serve different functions. The outer peripheral region has grooves recessed to maintain strength, while the inner central region has multiple grooves of varying lengths that enable adjustment. Each local area has optimized properties suited to its specific function.
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
Provides convenient, tool-free adjustment of claw opening and closing, preventing plate displacement, and increasing the range of adjustable settings, reducing operational complexity and costs.
Implementation Method 1
The resilient member is disposed between the core rod and the adjusting plate, and resiliently biases the core plate portion of the adjusting plate downwardly in the extending direction of the axis
Data Source
AI summary
A claw adjustment device is adapted to be installed to a claw device that includes a plurality of claw bodies, and includes a carrying seat, an adjusting plate, and a positioning tenon. The carrying seat has a core seat portion that has a plurality of positioning holes, and a plurality of pivot seat portions that extend from the core seat portion, and that are adapted to be connected to the claw bodies. Each of the pivot seat portions is formed with a slot. The adjusting plate has a plurality of extension portions that respectively cover top ends of the slots. The adjusting plate is operable to rotate relative to the carrying seat so that an extent to which each of the extension portions covers the top end of the respective one of the slots is adjustable. The positioning tenon is operable to be inserted into one of the positioning holes.