Movable Pool Bottom with U-Profile Modular Assembly
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Solution Overview
Problem
Existing movable bottom systems for swimming pools are laborious and expensive to manufacture and install, requiring skilled labor and numerous mechanical parts, leading to high costs and long installation times, and are not easily adaptable to diverse dimensions.
Innovation Solution
A movable-bottom device with standardized U-shaped profiles and angle brackets that can be easily cut and assembled to fit various dimensions, featuring a motorized raising and lowering system with optimized cable guidance and stabilisation means for quick installation and use by unskilled personnel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a traditional metal mesh platform with numerous transverse elements is used, then structural strength is improved, but manufacturing complexity and installation time increase significantly
Solution Approach 1:
The platform is divided into modular units composed of standardized profiles with predetermined opening patterns. These modules can be manufactured separately and assembled on-site, reducing overall manufacturing complexity while maintaining structural integrity through the modular design.
Solution Approach 2:
The profiles incorporate specific geometric parameters including U-shaped cross-sections with predetermined opening patterns (first series with distance d1, second series with distance d2). These parameterized designs standardize the manufacturing process while allowing adaptation to different pool dimensions, reducing both manufacturing and installation complexity.
2Strength
If a traditional metal mesh platform with numerous transverse elements is used, then structural strength is improved, but installation time and labor costs increase
Solution Approach 1:
The platform is divided into modular units composed of standardized profiles with predetermined opening patterns. These modules can be manufactured separately and assembled on-site, reducing overall manufacturing complexity while maintaining structural integrity through the modular design.
Solution Approach 2:
The profiles are pre-manufactured with standardized opening patterns and geometric features before delivery to the site. This preliminary preparation of components with predetermined characteristics reduces on-site assembly time and labor requirements while ensuring consistent structural quality.
3Adaptability or versatility
If a custom-made platform is manufactured to fit specific cavity dimensions, then adaptability is improved, but manufacturing cost increases
Solution Approach 1:
The profiles incorporate specific geometric parameters including U-shaped cross-sections with predetermined opening patterns (first series with distance d1, second series with distance d2). These parameterized designs standardize the manufacturing process while allowing adaptation to different pool dimensions, reducing both manufacturing and installation complexity.
Solution Approach 2:
The standardized profiles with universal opening patterns can be configured to fit various cavity dimensions by adjusting the arrangement and number of modules. This universal design reduces manufacturing costs through economies of scale while maintaining adaptability to different pool sizes and shapes.
4Ease of operation
If a bulky push and pull system is installed at the bottom of the swimming pool, then the platform can be raised and lowered, but the usable volume of the swimming pool decreases
Solution Approach 1:
The bulky push and pull system is extracted from the swimming pool bottom and replaced with a more compact motorized raising and lowering mechanism. This extraction eliminates the volume occupied by traditional mechanical systems while maintaining the platform's mobility functionality.
Solution Approach 2:
The traditional mechanical push and pull system is replaced with a motorized raising and lowering system. This substitution reduces the mechanical complexity and spatial requirements of the drive mechanism, thereby increasing the usable volume of the swimming pool while maintaining platform mobility.
Data Source
AI summary
A mobile-bottom device for swimming pools or hollow cavities comprising a frame (1) fixed to a meshed framework (2) comprising first profile sections (20) running in a first direction and belonging to at least one first plane P1 referred to as the upper plane, and second profile sections (21) superposed on the first profile sections (20) and running in a second direction preferably perpendicular to the first direction and belonging to a second plane P2 referred to as the lower plane and different from the first plane P1, means for raising and lowering the frame and the framework, means for motorizing the raising and lowering means. According to the invention, said first and second profile sections (20, 21) have a U-shaped cross section having a first face (201) and a second face (202) that are mutually parallel and connected by a third face (203) of height H, the first face and the second face being provided with openings organized in sequences along the length L of the profile section, each sequence comprising a series of N1 openings (2010) which are aligned and equidistant by a distance d1, said series being juxtaposed with a series of N2 openings (2011) which are aligned and equidistant by a distance d2 greater than d1, the third face (203) being provided with two rows of three openings (2030) which are aligned and equidistant by a distance d1 positioned facing the openings (2010) of the first and second faces, and with an elongate opening (2031) along the height H and surrounded by at least four openings (2032) which are aligned with the two rows of openings (2030); each end of a profile section (20, 21) comprises openings on each face (201, 202, 203), and said profile sections are bolted together.