Vibrating Screen Lateral Walls with Box Reinforcement
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Solution Overview
Problem
Existing vibrating screens face challenges in achieving high structural rigidity and performance while maintaining a simple construction and minimizing mass, as previous solutions either fail to demonstrate actual advantages or come with construction-level disadvantages such as reduced working width and inadequate rigidity.
Innovation Solution
The vibrating screen incorporates a box-shaped reinforcing structure applied to the outer main surface of the lateral walls, featuring a C-shaped cross-section with internal stiffening elements and bolts connecting it to the vibrating structure and screening elements, enhancing structural rigidity without significantly increasing mass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the vibrating structure is stiffened by adding reinforcement plates or profiles, then structural rigidity is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The box-shaped reinforcing structure is nested within the hollow space formed by the two plate sheets, utilizing the existing hollow space for structural reinforcement without adding external complexity. The reinforcing structure is positioned inside the hollow space between the outer and inner plate sheets, making efficient use of available space.
Solution Approach 2:
The vibrating structure employs a composite construction combining two plate sheets of different thicknesses with a box-shaped reinforcing structure inside the hollow space. This composite approach integrates multiple structural elements (outer plate, inner plate, box reinforcement) to achieve superior rigidity compared to single-plate constructions.
2Strength
If two plate sheets are used to form a hollow space with interconnecting elements, then structural rigidity is improved, but manufacturing complexity and production cost increase
Solution Approach 1:
The vibrating structure is segmented into distinct components: an outer plate sheet, an inner plate sheet, and a box-shaped reinforcing structure. These segmented elements can be manufactured separately and then assembled, simplifying the manufacturing process compared to creating a monolithic complex structure.
Solution Approach 2:
The box-shaped reinforcing structure is nested within the hollow space between the two plate sheets, allowing all components to be manufactured independently and then assembled together. This nesting approach simplifies manufacturing by avoiding the need to create complex internal structures in a single piece.
3Strength
If the inner plate sheet is added for reinforcement, then structural rigidity is improved, but the working width of the sieves is reduced
Solution Approach 1:
Instead of adding reinforcement in the horizontal plane that would reduce sieve width, the reinforcement is placed in the vertical dimension by utilizing the hollow space between the plate sheets. The box-shaped reinforcing structure extends into the depth of the hollow space, providing rigidity without encroaching on the horizontal working width of the sieves.
4Strength
If the hollow space is reduced by bringing plate sheets closer, then structural rigidity is improved, but the space for vibrating unit and sieve support is reduced
Solution Approach 1:
The box-shaped reinforcing structure is nested within the hollow space, utilizing the available volume for dual purposes: maintaining the necessary hollow space for housing vibrating units and support elements, while simultaneously providing structural reinforcement. This nesting allows the hollow space to serve both functional and structural roles.
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 design significantly increases the screen's performance and structural resistance to fatigue, achieving higher acceleration and force intensity while maintaining a low production cost and ease of implementation.
Implementation Method 1
a plurality of elastic elements interposed between them, for connecting them and allowing the vibrating structure to elastically oscillate relative to the base
Implementation Method 2
A vibrating unit is mounted on the vibrating structure to make the latter vibrate relative to the base
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A vibrating screen comprising a base (2), an upper vibrating structure (3), a plurality of elastic elements (4) interposed between the base (2) and the vibrating structure (3) for connecting them and allowing the vibrating structure (3) to elastically oscillate relative to the base (2), and at least one vibrating unit (5) mounted on the vibrating structure (3); the vibrating structure (3) comprising a supporting frame (6) on which a plurality of screening elements (7) is mounted and which comprises two lateral walls (11) and, for each lateral wall (11), at least one box-shaped reinforcing structure (16) applied to said wall; the lateral walls (11) each comprising an inner main surface (12) facing the other lateral wall (11) and an outer main surface (13) positioned on the opposite side to the inner main surface (12), the screening elements (7) being positioned between the inner main surfaces (12); and each box-shaped reinforcing structure (16) being hollow inside and being applied to the outer main surface (13) of the related lateral wall (11).