Mobile Aggregate Plant Screen Unit Movable Access
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Solution Overview
Problem
Existing mobile aggregate processing plants lack easy access to the vibrating screening unit for maintenance and replacement of screens and absorbers, requiring disassembly of the supporting frame to alter vibration levels or repair components.
Innovation Solution
A mobile aggregate processing plant design where the vibrating screening unit is moveable relative to the screen-mounting frame between in-use and access positions, allowing for improved access below the unit for maintenance and replacement of screens and absorbers, facilitated by actuators such as hydraulic rams and springs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the vibrating screening unit is fixed to the screen-mounting frame, then structural stability is improved, but access for maintenance and replacement of screens and absorbers becomes difficult
Solution Approach 1:
The vibrating screening unit is made movable relative to the screen-mounting frame through a lifting mechanism. This dynamic design allows the unit to be positioned in different locations: during operation it is in a stable mounted position, and during maintenance it can be lifted away to provide access to screens and absorbers. This resolves the contradiction by making the structure dynamically adaptable between operational stability and maintenance accessibility.
2Ease of repair
If the vibrating screening unit is made movable for maintenance access, then ease of repair is improved, but device complexity increases
Solution Approach 1:
A hydraulic lifting mechanism is employed to move the vibrating screening unit relative to the screen-mounting frame. This hydraulic system provides a compact and efficient means of achieving the required movement with controlled force, minimizing the complexity of mechanical linkages while still enabling easy access for maintenance. The hydraulic actuator integrates into the existing frame structure, adding functionality without excessive complexity.
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
Enables easier maintenance, repair, and replacement of components without disassembling the frame, improving operational efficiency and reducing downtime by providing enhanced access to previously inaccessible areas.
Implementation Method 1
a vibrating screening unit, sometimes termed a 'screen box', having a series of heavy-duty screens with defined openings that are vibrated by a motor moving the screen box and acting against a series of absorbers, usually springs
Data Source
AI summary
The present invention relates to a mobile aggregate processing plant for screening aggregate material comprising a mobile chassis having a main frame and a vibrating screening unit mounted via one or more absorbers on a screen-mounting frame and able to provide at least one aggregate discharge stream therethrough, wherein the vibrating screening unit is moveable relative to the screen-mounting frame between a first in-use position, and at least a second position able to provide an access portal below the vibrating screening unit when not in use.