Design and Analysis of a Timing Belt Elevator System. Final year report project

Table of Contents

• Chapter 1: Introduction
• 1.1 Background of the study
• 1.2 Problem statement
• 1.3 Objectives
• 1.4 Scope and limitation of the study
• 1.5 Working principle of the system
• 1.6 Outline of the project
• Chapter 2: Elevator Systems
• 2.1 Introduction
• 2.2 Timing belt elevators
• 2.3 Project overview
• 2.4 Design of elevators
• 2.5 Elevator installation
• 2.6 Weights and loads
• 2.7 Basic system for a traction motor elevator
• 2.8 Common parts of traction motor elevator
• 2.9 Components of elevator system
• 2.10 Elevator door
• 2.11 Elevator traffic calculation
• 2.12 Variable frequency low-speed high torque
• 2.13 Optimization of elevator evacuation considering potential overcrowding
• 2.14 PID control of maglev guiding system for linear elevators
• 2.15 Seismic performance of an elevator
• 2.16 Design and behavioural issues associated with building use
• 2.17 Summary
• Chapter 3: Project Development
• 3.1 Introduction
• 3.2 Project flow chart
• 3.3 Critical overview
• 3.4 Project cost
• 3.5 Project work plan
• 3.6 Components used in the fabrication of the timing belt elevator
• 3.7 Machines and instruments used in the fabrication process
• 3.8 The fabrication process
• 3.9 Materials used in the fabrication
• 3.10 Design criteria for the original elevator system
• 3.11 List of parameters
• 3.12 Test and analysis
• Chapter 4: Analysis and Results
• 4.1 Analysis
• 4.2 ANSYS solution
• 4.3 Total deformation on the elevator car
• 4.4 Equivalent stress analysis on the elevator car
• 4.5 Total deformation on Aluminium alloy rod
• 4.6 Calculation for the elevator force
• 4.7 Calculation for the torque of the DC motor
• 4.8 Calculation for round trip time
• 4.9 Experimentation to know the amount of load the elevator can sustain
• 4.10 Calculation for impact force
• 4.11 Results
• 4.12 Discussions

Objectives and Key Themes

The main objective of this study is to design, fabricate, and analyze a prototype timing belt elevator system. The focus is on creating a cost-effective and efficient system, addressing existing safety concerns within elevator technology.

• Design and Fabrication of a Timing Belt Elevator System
• Analysis of Elevator System Performance and Safety
• Cost-Effective Elevator Design and Construction
• Improvement of Elevator Safety Measures
• Application of Engineering Principles to Elevator Systems

Chapter Summaries

Chapter 1: Introduction: This chapter provides background information on the history of elevators, highlighting advancements from ancient human-powered systems to steam-powered and modern designs. It establishes the study's focus on a timing belt elevator system to address safety concerns and cost-efficiency issues in current elevator technology. The chapter introduces the problem statement—the high incidence of elevator-related accidents—and outlines the study's objectives, scope, and limitations. The chapter emphasizes the importance of a well-engineered, user-friendly system for improved safety and public confidence.

Chapter 2: Elevator Systems: This chapter delves into various aspects of elevator system design and operation. It covers different elevator types, specifically focusing on timing belt elevators, their components (doors, motors, control systems), and design considerations. Topics such as elevator traffic calculations, optimization for evacuation scenarios, seismic performance, and the impact of building design on elevator functionality are explored. The chapter lays the groundwork for understanding the complexities involved in creating a safe and efficient elevator system.

Chapter 3: Project Development: This chapter details the practical implementation of the timing belt elevator system. It outlines the project's flow chart, cost analysis, and work plan. The fabrication process is described in detail, including a list of components and materials used, along with the machinery and instruments involved. The design criteria for the original elevator system are explained, and the testing and analysis procedures are introduced, setting the stage for the results presented in the following chapter.

Keywords

Timing belt elevator, elevator safety, elevator design, cost-effective design, elevator fabrication, system engineering, DC motor, ANSYS analysis, elevator traffic, seismic performance, safety devices.

Frequently Asked Questions: Timing Belt Elevator System Design, Fabrication, and Analysis

What is the main objective of this study?

The primary goal is to design, fabricate, and analyze a prototype timing belt elevator system. The focus is on creating a cost-effective and efficient system while addressing safety concerns in existing elevator technology.

What are the key themes explored in this study?

Key themes include the design and fabrication of a timing belt elevator, analysis of system performance and safety, cost-effective design and construction, improvement of elevator safety measures, and the application of engineering principles to elevator systems.

What topics are covered in Chapter 1: Introduction?

Chapter 1 provides background information on elevator history, highlighting advancements in elevator technology. It defines the problem statement (high incidence of elevator accidents), outlines the study's objectives, scope, and limitations, and emphasizes the importance of a well-engineered system for improved safety.

What does Chapter 2: Elevator Systems cover?

Chapter 2 explores various aspects of elevator system design and operation, focusing on timing belt elevators. It discusses different elevator types, components (doors, motors, control systems), design considerations, elevator traffic calculations, optimization for evacuation, seismic performance, and the influence of building design on elevator functionality.

What is detailed in Chapter 3: Project Development?

Chapter 3 details the practical implementation of the timing belt elevator system. It outlines the project flow chart, cost analysis, work plan, fabrication process (including components, materials, and machinery used), design criteria, and testing/analysis procedures.

What kind of analysis and results are presented in Chapter 4: Analysis and Results?

Chapter 4 presents the analysis and results of the project. This includes ANSYS analysis, calculations for various parameters (deformation, stress, force, torque, round trip time, impact force), experimentation on load capacity, and a discussion of the findings.

What are the key components of the timing belt elevator system?

Specific components are detailed in Chapter 3, but generally include the timing belt, motor (likely a DC motor), elevator car, guiding system, door mechanisms, and safety devices. The exact components and their specifications are listed within the chapter.

What software was used for analysis?

ANSYS software was used for finite element analysis (FEA) to simulate stress and deformation on critical components of the elevator system.

What are the safety considerations addressed in this study?

The study addresses elevator safety through design considerations, analysis of potential failure points, and the incorporation of safety devices. Specific safety measures are discussed throughout Chapters 2, 3, and 4.

What are the keywords associated with this study?

Keywords include: Timing belt elevator, elevator safety, elevator design, cost-effective design, elevator fabrication, system engineering, DC motor, ANSYS analysis, elevator traffic, seismic performance, and safety devices.

What is the overall cost of the project?

The project cost is detailed in Chapter 3.

What types of elevators are discussed?

The study primarily focuses on timing belt elevators, but also provides a general overview of other elevator types in Chapter 2.