Integrated Lifting Turntable for CT Scanning Precision
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing CT safety inspection apparatuses for liquid articles have complex structures, large volumes, and high costs due to separate rotating and lifting mechanisms, which complicate the inspection process.
Innovation Solution
A combined lifting apparatus with a turntable that integrates a vertical guide device, a rotatable turntable, and dual driving mechanisms for simultaneous rotation and elevation, utilizing a lead screw and nut system with radial and thrust bearings for precise movement and a safety inspection system for CT devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate rotating and lifting mechanisms are used, then the functions of rotation and lifting are independent and reliable, but the structure becomes complicated and the volume increases
Solution Approach 1:
The patent combines the rotating mechanism and lifting mechanism into a single integrated turntable device. The turntable is mounted on a bracket that can rotate horizontally while the entire assembly can move vertically along guide rails. This merging of functions reduces structural complexity and volume while maintaining operational reliability through coordinated control of the integrated system.
Solution Approach 2:
The turntable device is designed to perform multiple functions simultaneously - it can rotate objects horizontally for 360-degree scanning while also moving vertically for elevation adjustments. This multi-functionality eliminates the need for separate rotating and lifting mechanisms, reducing overall device complexity while maintaining the reliability of both functions through a unified structural design.
2Manufacturing precision
If separate rotating and lifting mechanisms are used, then each mechanism can be optimized independently, but the overall volume and cost increase
Solution Approach 1:
The patent implements a nested structure where the rotating turntable mechanism is integrated within the lifting mechanism framework. The turntable rotates on a bracket that is itself mounted on vertically movable support structures. This nesting allows both functions to share common structural elements and space, reducing the overall apparatus volume while maintaining the ability to independently optimize each functional component's performance.
3Device complexity
If a combined rotating and lifting mechanism is used, then the structure is simplified and volume reduced, but the movement precision may be compromised
Solution Approach 1:
The patent introduces intermediary components such as ball screw mechanisms and guide rails that mediate between the motor-driven rotation and the required precise vertical lifting movement. The ball screw converts rotational motion to precise linear displacement, while guide rails ensure accurate vertical guidance. These intermediaries maintain movement precision despite the integrated design, allowing structural simplification without sacrificing manufacturing precision.
4Reliability
If traditional lifting mechanisms are used, then the lifting function is reliable, but the friction resistance is high and transmission efficiency is low
Solution Approach 1:
The patent replaces traditional high-friction mechanical lifting mechanisms with a ball screw-driven system. The ball screw mechanism uses ball bearings to reduce friction between the screw and nut, significantly lowering energy loss while maintaining reliable lifting functionality. This substitution maintains lifting reliability through precise mechanical engagement while dramatically reducing friction resistance and improving transmission efficiency.
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 precise spiraling scanning, reduces friction and noise, and enhances data acquisition efficiency by integrating rotation and elevation in a single apparatus, improving movement precision and reducing costs.
Implementation Method 1
a lead screw which is provided in the linear slide rail, with the first driving device provided at an end of the linear slide rail to drive the lead screw to rotate
Implementation Method 2
a ball bearing type linear slide rail is provided on the linear slide rail and the outer edge of the slider bracket is provided with an embedding block connected with the ball bearing type linear slide rail
Implementation Method 3
the sliding bearing comprises a second radial bearing and a second thrust bearing
Implementation Method 4
the sliding bearing comprises a second radial bearing and a second thrust bearing
Data Source
AI summary
A lifting apparatus includes a vertical guide device, a turntable device which is movable along the vertical guide device upwards or downwards, and a first driving device which drives the turntable device moving in an upward and downward direction guided by the vertical guide device. The turntable device includes a bracket which is slidably engaged with the vertical guide device and projects perpendicularly toward a side of the vertical guide device, a turntable which is rotatably provided on the bracket, and a second driving device which rotates the turntable on the bracket.