Cable Winding Drum With Retractable Pallets for Roll Retention
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Solution Overview
Problem
Cable rolls wound on a vertically placed drum are prone to slide off due to their own weight, reducing the efficiency of cable winding.
Innovation Solution
A cable winding device with a rotating plate and movable pallets that can be extended or retracted to support and unload cable rolls, featuring a first driving mechanism for rotating the drum and a second driving mechanism for moving the pallets between extended and retracted positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the drum is placed vertically to wind the cable, then the cable can be wound on the drum, but the cable roll is prone to slide off the drum under its own weight
Solution Approach 1:
The pallet is designed to move between extended and retracted positions along the radial direction of the rotation shaft. During cable winding, the pallet extends to support the cable roll and prevent it from sliding off. During unloading, the pallet retracts to allow the cable roll to be removed. This dynamic adjustment resolves the contradiction by providing stability only when needed during the winding process.
Solution Approach 2:
The pallet acts as an intermediary support between the drum and the cable roll. It provides the necessary support to hold the cable roll in place during winding, then withdraws when unloading is required. This mediator element enables both the winding operation and the unloading operation without direct interference.
2Reliability
If the drum is placed vertically for cable winding, then the winding operation can proceed, but the cable roll slides off reducing winding efficiency
Solution Approach 1:
The pallet's ability to dynamically extend and retract allows the system to maintain cable roll retention during winding while enabling efficient unloading. The extension provides retention, the retraction enables unloading, thus resolving the efficiency problem.
3Reliability
If the pallet is extended to support the cable roll, then the cable roll is retained on the drum, but the pallet interferes with the cable roll during unloading
Solution Approach 1:
The pallet moves from an extended position during winding to provide support and retention, to a retracted position during unloading to avoid interference. This dynamic repositioning enables both reliable retention and easy unloading operations.
Solution Approach 2:
The pallet alternates between extended and retracted positions in periodic cycles corresponding to the winding and unloading operations. During winding, it extends to support; during unloading, it retracts to clear the path. This periodic action resolves the contradiction between retention and ease of operation.
Data Source
AI summary
A cable winding device includes a mounting plate, first and second driving mechanisms, a rotating plate, and multiple pallets. The rotation shaft is rotatably mounted on the mounting plate. The first driving mechanism is installed on the mounting plate and drives the rotation shaft to rotate. The rotating plate is arranged below the mounting plate, and connected to, and rotatable together with, the rotation shaft. The multiple pallets are installed on the rotating plate in a movable manner and distributed at intervals in the circumferential direction, the pallets movable synchronously between an extended position and a retracted position along a radial direction of the rotation shaft. The second driving mechanism is installed on the mounting plate and connected to the multiple pallets, and drives the multiple pallets to move synchronously between the extended position and the retracted position.