Coupler Disassembly/Installation Trolley – Product Description
Product Overview
The Coupler Disassembly/Installation Trolley is a specialized workshop equipment designed for the removal and installation of couplers and buffer devices on locomotives, EMUs, metro vehicles, and other rail transit rolling stock. Manufactured by Yunxin Intelligent Equipment (Chengdu) Co., Ltd.—a National High-tech Enterprise with ISO 9001 certification and AAA corporate credit rating—this trolley addresses a critical challenge in railway maintenance: the safe and efficient handling of heavy coupler assemblies in检修 pits and trackside environments where forklifts and overhead cranes cannot be easily deployed.
The coupler is one of the most critical connecting components on a railway vehicle, enabling coupling between locomotives and cars while transmitting traction and buffering impact forces. When coupler components become worn, damaged, or require routine overhaul, timely replacement is essential—and the Coupler Disassembly/Installation Trolley makes this operation faster, safer, and less labor-intensive.
As part of Yunxin‘s comprehensive portfolio of Urban Rail Transit Special Tooling, this trolley joins a product line that includes transport trolleys, axle box padding tooling, aluminum alloy combination ladder trucks, rail hanging devices, and metro door disassembly equipment—all built to the rigorous standards of the railway industry.
Key Features
Hydraulic Lifting System – Equipped with a reliable hydraulic lifting mechanism (available in manual or electric/hydraulic configurations), the trolley provides smooth, controlled vertical movement of the coupler during disassembly and installation. The lifting platform can be precisely adjusted to align with the coupler‘s position, eliminating the need for manual lifting and reducing operator strain.
Sturdy, Robust Construction – Fabricated from high-strength steel with a welded structural frame, the trolley offers excellent load-bearing capacity and stability during heavy workshop use. The platform is surfaced with a rubber pad to protect coupler components from damage during handling.
Easy Mobility – Mounted on heavy-duty casters or rail-wheel assemblies with locking mechanisms, the trolley can be easily maneuvered to any work location within the depot or workshop. For trackside applications, wheel assemblies enable movement along rails with wheel chock pins for secure positioning.
Versatile Configuration – The trolley features interchangeable support tooling / forks that can be adapted to accommodate different coupler types, including fully automatic couplers, semi-permanent bar-type couplers, tightlock couplers, and buffer assemblies.
User-Friendly Operation – Designed for single-person operation, the trolley significantly reduces labor requirements and simplifies what was traditionally a multi-person, physically demanding task. The hydraulic control system is intuitive and easy to operate.
Customizable Options – Tailored to specific customer requirements, including custom load capacities, platform dimensions, lifting heights, power sources (manual hydraulic / electric hydraulic / battery-powered), and specialized coupler tooling.
Applications
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Locomotive Maintenance Depots – Disassembly and installation of couplers and buffer devices during locomotive scheduled overhaul or factory repair operations.
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EMU & High-Speed Train Maintenance – Servicing of tightlock and close-connected couplers on 160km/h power-concentrated EMUs and other high-speed rolling stock.
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Metro & Urban Rail Vehicle Yards – Removal and installation of various coupler types on metro cars during routine inspection and overhaul.
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Trackside Emergency Repairs – Rapid replacement of couplers in operational sections or at stations, minimizing service disruption.
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Workshop Assembly Lines – Supporting coupler assembly, disassembly, maintenance, and testing in dedicated coupler maintenance lines.
Technical Specifications (Typical)
Note: Specifications are typical reference values. Custom configurations are available upon request.
Why Choose Yunxin‘s Coupler Disassembly/Installation Trolley?
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Proven Quality – Manufactured under ISO 9001 quality management system, ensuring consistent product reliability and safety.
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Industry Expertise – Backed by a technical team of 2 senior engineers, 5 engineers, and 10 specialized technicians with deep knowledge of railway and transit equipment.
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Customer Trust – A qualified supplier to China Railway Chengdu Bureau, Xi‘an Bureau, Guangzhou Bureau, and other railway bureaus, as well as CRRC Qingdao Sifang and CRRC Digital Technology.
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Full-Service Support – From design and customization to production, delivery, and after-sales maintenance, Yunxin provides end-to-end service.
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Safety First – The trolley is engineered with operator safety in mind, featuring stable platform construction, secure locking mechanisms, and reliable hydraulic systems with leak-proof seals.
Custom Orders Welcome
Yunxin Intelligent Equipment offers tailored coupler disassembly/installation trolley solutions to meet specific operational requirements. Whether you need modified load capacities, custom platform dimensions, specialized coupler tooling for different vehicle types, or battery-powered configurations for mobile workshop use, our engineering team can design and build a trolley that fits your exact needs.
