8.20.2025 / 4-minute read

Heavy-Duty Vertical Assembly Platform – for Secure and Efficient Large Energy Turbine Installation

Project Overview

This project involved the design and provision of a vertical assembly platform for the installation process of large energy turbines.

The heavy-duty scissor lift is mounted within a ground pit and is engineered to safely elevate personnel, tools, and heavy components during assembly.

With a maximum raised height of nearly 35 feet, it effectively addresses the challenges of high-altitude installation on large equipment, integrating safety, stability, and modular customization.

Basic Parameters

ParameterValue / Description
TypeHeavy-Duty Scissor Lift
Vertical Travel260 inches (approx. 21.7 ft)
Max Raised Height (from pit)350 inches (approx. 29.2 ft)
Lowered Height< 8 ft
Rated Rise Speed2 inches/second (Hydraulic)
Descent MethodGravity descent with hydraulic velocity fuses
Safety Locking MechanismMechanical lock-up bars (for maintenance)
Platform Deck3 x Removable round plates (customizable sizes)
Power SourceHydraulic System

The Challenge

1. Achieving long-stroke, high-load lifting within a confined pit space, while meeting extremely high stability requirements for the equipment.

2. The high value and precise installation requirements of large turbine components meant that any accidental descent or instability could lead to significant economic loss and safety hazards.

3. Hydraulic systems have a potential risk of leakage or failure under long-term and frequent use, necessitating reliable safety redundancy.

4. The working deck needed to be adaptable for handling different tools and tasks, requiring a versatile and modular panel design.

Solutions

Reinforced Structure & Optimized Travel: A high-strength steel and reinforced scissor mechanism ensures smooth operation throughout the 260 inches of travel, with a maximum height of 350 inches for high-altitude assembly needs.

Dual Safety Descent Mechanism: A core safety system combining “gravity descent + hydraulic velocity fuses” prevents free-fall. The hydraulic fuse automatically triggers and locks the cylinder if the descent rate exceeds safe limits.

Fail-Safe Maintenance Environment: Beyond the hydraulic system, mechanical safety lock-up bars were added. These bars provide rigid, physical support to the platform during maintenance, ensuring absolute safety.

Modular Deck Design: The three main deck plates are designed for quick removal and replacement, allowing the client to adapt the opening layout and size based on specific assembly parts, significantly enhancing workspace adaptability and efficiency.

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