Telescopic Washing Device Synchronization Pawls
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Solution Overview
Problem
Existing internal washing devices for containers are difficult to manipulate, ineffective, and hard to move between work stations due to complex structures and synchronization issues with telescopic beams, leading to limitations in force and resistance during extension and retraction.
Innovation Solution
A telescopic washing device with toothed sections featuring pull and push pawls that ensure synchronization with the drive shaft pinions, allowing for smooth extending and retracting movements, and a support system to absorb misalignments between the container floor and the device, using fewer components and reducing breakdowns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a telescopic structure with multiple extendable sections is used to access the inside of containers, then the reach and coverage area are improved, but the device complexity and difficulty of manipulation increase
Solution Approach 1:
The washing device is divided into multiple telescopic sections (first section, second section, third section) that can extend and retract independently. Each section has its own cleaning elements, allowing the device to reach deep into containers while maintaining manageable segmental complexity rather than a single complex long structure
Solution Approach 2:
The telescopic sections are nested within each other, with the second section inside the first section, and the third section inside the second section. This nesting arrangement allows compact storage when retracted while providing extended reach when deployed, resolving the contradiction between reach and complexity
2Ease of operation
If a pinion and pawl mechanism is used to drive the telescopic sections, then the extending and retracting movement is achieved, but synchronization issues and force limitations occur
Solution Approach 1:
The pawl mechanism provides mechanical feedback through engagement with toothed segments on each section. The pawl engages with the toothed segment to prevent backward movement during extension, and the cam mechanism provides feedback control for synchronized retraction, ensuring reliable coordination between sections
Solution Approach 2:
A cam mechanism acts as an intermediary between the pinion drive and the pawl engagement. The cam controls the timing and force of pawl engagement/disengagement, mediating the interaction between driving force and section movement to achieve synchronized operation and overcome force limitations
3Adaptability or versatility
If the device is designed to be movable between work stations, then the versatility is improved, but the stability and alignment with container floor deteriorate
Solution Approach 1:
The device incorporates an adjustable support that can be positioned at different locations along the base. This dynamic adjustment capability allows the device to adapt to different container floors and alignments while maintaining stability during operation, resolving the contradiction between movability and stable alignment
4Area of stationary object
If multiple cleaning elements are distributed along the telescopic sections, then the cleaning coverage is improved, but the device weight and complexity increase
Solution Approach 1:
Cleaning elements are distributed across multiple telescopic sections rather than concentrated in one location. This segmentation allows the cleaning function to be spread throughout the extended length of the device, increasing total cleaning coverage area while keeping each individual cleaning element relatively small and lightweight
Data Source
AI summary
The invention relates to an internal washing device for containers including a base with a structure including telescopically extendable sections and in which at least one cleaning element is housed. The base includes a drive shaft, each section includes at least one toothed longitudinal segment configured to engage with at least one pinion fastened to the drive shaft. The sections include a push pawl. The initial section incorporates a support element on the forward end, and the additional sections incorporate a pull pawl and a recess for the fastening of the corresponding push pawl, such that the drive shaft has the ability to operate all the sections without needing to move.