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Double Rail Trolley Hoist

Description:

A Double Rail Trolley Hoist or crab hoist is a lifting device designed to run on parallel double-girder rails of double girder overhead crane or double girder gantry crane, providing stable, smooth, and efficient material handling. The hoist is fitted on a frame with trolleys doing cross traveling on the crane. The hoist can be traditional type wire rope hoist, Euro-style hoist or a open winch hoist.

double-rail-trolley-hoist
double-rail-crab-hoist

Parameters:

  • Capacity: 3 t / 5 t / 10 t / 16 t / 20 t / 32 t / 50 t

  • Lifting Height: 6–30 m (customizable up to 100 m)

  • Working Duty: M4 / M5 / M6 / M7 (ISO / FEM standards)

  • Hoist Type: Wire rope electric hoist or FEM/European type hoist

  • Mounting: Double-girder trolley type

  • Lifting Speed: 0.5–8 m/min (single speed or VFD variable speed)

  • Rope Reeving: 2/1, 4/1, 6/1, 8/1

  • Wire Rope: High-strength galvanized wire rope

  • Motor Protection: IP54 / IP55

  • Motor Insulation: Class F or H

  • Trolley Travel Speed: 2–20 m/min (single or dual speed / VFD control)

  • Travel Motor: Squirrel-cage or brake motor

  • Wheel Material: Alloy steel, heat-treated

  • Rail Type: Standard double-girder rails (e.g., P24–P43, QU70–QU120)

  • Power Supply: 380V/400V/415V, 3Ph, 50/60Hz (customizable)

  • Control Method: Pendant control, remote control, or cabin control

  • Protection Devices: Overload limiter, upper/lower limit switch, emergency stop, phase protection

  • Control Voltage: 24V / 36V safe voltage

euro-style-double-rail-crab-hoist-overhead-crane

Our Service:

  • Product Consultation and Selection:

    • In Sinomac, we offer expert consultation to help you select the right type of hoist based on your specific lifting needs, such as load capacity, environment (e.g., explosion-proof or general industrial), and the lifting height required.

    • We can help you choose between electric chain hoists, wire rope hoists, or explosion-proof hoists depending on the application.

  • Design and Engineering:

    • We provide customized hoists for specialized applications, including designing hoists with specific features, capacities, and configurations to suit your facility’s needs.

    • Tailored solutions could include modifications to meet the safety standards of specific industries (e.g., food processing, chemical plants, or construction).

  • Installation Services:

    • Our experienced team can provide installation services to ensure the hoist is set up correctly, safely, and in compliance with relevant safety regulations.

    • Installation includes mounting the hoist on overhead cranes, lifting frames, or other structures.

  • Maintenance and Repairs:

    • We offer ongoing maintenance contracts to help ensure the long-term performance of your equipment. Regular service checks and maintenance routines can prevent unexpected downtime.

    • Emergency repair services are also offered in case of breakdowns, often with a quick response time to minimize downtime in critical operations.

  • Replacement Parts:

    • We stock genuine replacement parts for their hoists, ensuring quality and compatibility.

    • Spare parts include things like motors, limit switches, brakes, and rope, as well as wear-and-tear items like hooks, chains, and lifting slings.

  • Training and Certification:

    • We offer operator training programs to ensure that your staff is properly trained on how to safely and efficiently operate the hoist.

    • We also provide certification programs that ensure employees are compliant with local safety regulations and industry standards (e.g., CE in the E.U.).

  • Technical Support:

    • We have technical support teams who can assist with troubleshooting any issues, providing clear guidance on both simple fixes and complex problems.

    • Support can be offered on-site or through remote diagnostics, especially if the hoist is connected to an advanced control system.

  • Warranty and After-Sales Support:

    • We are a reliable supplier that offer warranties on their hoists and a commitment to customer support after the purchase. This includes handling defects, performance issues, or product recalls in a timely manner.

    • Ensure the warranty covers important components like the motor, gearbox, and electrical systems.

  • Compliance with Safety Standards:

  • We are well-versed in local and international safety standards (e.g., ANSI, CE, ATEX, IECEx) to ensure your hoist complies with all regulations for safety and explosion protection in hazardous areas.

  • Safety certifications should be provided with the equipment to guarantee it’s fit for use in industrial applications.

double-rail-crab-hoist-overhead-crane

Why Choose Sinomac?

  • Reputation and Reviews: Sinomac is a supplier with positive customer feedback and a strong track record in the industry.

  • Product Range: We have a full range of hoists, from general-purpose to specialized ones like explosion-proof, flameproof, or high-lift hoists.

  • Location: Sinomec products and service team are available globally to ensure easier access to service, parts, and support.

  • Availability of Parts: We can quickly provide spare parts and support if the equipment needs repairs or replacements.

  • Certifications: We provide equipment that meets industry standards, with certifications like CE, ISO, ATEX, NEC, and others depending on your location and industry.

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