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SCIENTIFIC-TECHNICAL CENTER » ENGINEERING DESIGN » U - SHAPED ROCKER FRAME

Design U - shaped rocker frames descent (ascent) of the diving bell

By order of "Colorado" experts STC "TMA" project was designed platform with a U-shaped frame universal hoisting device for descent (ascent) of the diving bell. The purpose was to create a 3D model of a platform with a U-shaped frame in the CAD system and technical design, including assembly and detailed drawings.

Stages of work:

1. Geometric synthesis U-shaped frame. Strength calculation of structures. Selection of sections of the main elements

2. Creation of a model system KOMPAS-3D solid modeling. Adoption of 3D models of the customer.

3. Perform assembly and detailed drawings in accordance with ESKD.

 
transport position
 
operating position

Strength calculation of platform and the U-shaped frame

The computational model platform and the U-shaped rocker frame is shown below. Platform and frame elements were modeled using finite element rod.

 
Calculation Model U-shaped frame
 
Estimated platform model

As a result of static analysis platform and frame: selected cross-section; found the force transmitted to the hydraulic cylinder; Get a map of the results.

 
Map total equivalent stress in the chassis, MPa
 
Map total equivalent stress in the platform, MPa

 After performing static analysis calculations fastening elements and selection is made of the hydraulic cylinder have been produced in accordance with the calculated load.

 

Creating a 3- model and perform DRAWINGS

As a result, the results of the calculations made, was created 3D-model of lowering and lifting device and performed assembly and detailed drawings in line with the requirements of ESKD.

 
3D model of lowering and lifting device (transport position)
 
3D model of lowering and lifting device (transport position)
 
3D model of lowering and lifting device (operating position)
 
3D model of lowering and lifting device (operating position)
 
EXAMPLE assembly drawing a U-shaped frame
 
Assembly drawing lowering and lifting device (SPU)
 
EXAMPLE platform assembly drawing
 
 
 
 
 
 
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