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Product Introduction

The Double Girder Trolley Electric Hoist is a high-capacity, industrial-grade lifting solution designed for integration with double girder overhead cranes. This robust system combines a powerful Hoạt vận động điện mounted on a motorized trolley that travels along the crane’s twin bridge girders. It is engineered for heavy-duty applications requiring high lifting heights, precise load handling, and exceptional reliability in demanding environments such as steel plants, cửa hàng gia công, Kho, and foundries. By optimizing the workspace and providing superior hook approach, it maximizes productivity and operational safety.

Các tính năng chính & Thuận lợi

• 1. Khả năng nâng cao & Lớp học

  • Designed for heavy-duty and severe-duty cycles (FEM 3M / 4tôi, Class M6/M7).

  • Capable of handling loads from 5 tons to over 100 tấn, making it suitable for the most challenging industrial tasks.

• 2. Superior Hook Approach

  • The design of the double girder system allows the hoist to be positioned above the girders, minimizing the headroom and providing a much closer hook approach to the crane girders compared to single girder systems. This maximizes the usable lifting height within your facility.

• 3. Precise and Smooth Control

  • Equipped with Variable Frequency Control (VFD) for both hoisting and traversing motions. This ensures smooth acceleration and deceleration, precise load spotting, and reduced load swing, protecting both the load and the equipment.

• 4. Tăng cường an toàn & Độ tin cậy

  • Redundant Braking System: Features both an electromagnetic disc brake and a mechanical load brake for fail-safe operation.
  • Advanced Limit Switches: Upper and lower limit switches prevent hook over-travel. A overload limit device automatically cuts off power in case of excess load.
  • IP54/IP55 Protection Rating: The electrical components are well-sealed against dust and water spray, ensuring reliable performance in harsh conditions.

• 5. Modular Trolley Design

  • The motorized trolley is built for smooth travel along the crane girders. Options include dual-speed or VFD control for precise positioning. The compact design provides excellent stability and weight distribution.

• 6. Bảo trì thấp & Độ bền

  • Constructed with high-grade steel and premium components for long service life. Easy access to maintenance points simplifies inspection and servicing, giảm thời gian ngừng hoạt động.

• 7. Intelligent Control System

  • Can be operated via pendant push button station or radio remote control. Seamless integration with the overall crane control system for coordinated movements.

Technical Parameters Table

Ghi chú: The following table provides a general specification range. Exact parameters vary by model and capacity.

Tính năng	Phạm vi đặc điểm kỹ thuật	Chi tiết
Sức nâng	5 ~ 100+ Tấn	Standard models available up to 100 tấn; custom designs for higher capacities.
Nâng chiều cao	Lên đến 30 mét (98 ft)	Custom lifting heights can be engineered as per requirement.
Tốc độ nâng	0.8 ~ 15 m/của tôi (Dual-speed standard)	Speed varies with capacity; VFD allows for adjustable speed control.
Trolley Travelling Speed	5 ~ 30 m/của tôi (20 m/min typical)	VFD control available for precise trolley positioning.
Lớp học	FEM 3M, 4tôi (Class M6, M7)	Suitable for heavy and severe-duty cycles.
Cung cấp điện	3-Giai đoạn, 380V/415V, 50/60 Hz	Điện áp khác có sẵn (VÍ DỤ., 480V, 220V).
Nhiệt độ môi trường xung quanh	-20°C đến +40°C	Special designs available for higher or lower temperature ranges.
Lớp cách nhiệt	Lớp F / Class H	Provides high thermal stability for motor and electrical systems.
Xếp hạng bảo vệ	IP54 / IP55 (Hoist & Xe đẩy)	Protection against dust and water jets.
Điều khiển	mặt dây chuyền / Đài phát thanh từ xa	Standard pendant cable length is customizable.

Compatible Crane Applications

This Double Girder Trolley Electric Hoist is specifically designed for use on:

• 1. Double Girder Overhead Cranes: This is the primary and most common application.

• 2. Cổng trục (Double Girder): Can be installed on semi-gantry or full gantry cranes where a double box girder design is used.

• 3. Process Cranes: Ideal for specialized industrial processes in metallurgy, casting, and other heavy industries.

• 4. Workshop Cranes: Used in manufacturing and assembly bays for handling heavy machinery, components, and materials.

Câu hỏi thường gặp: Palăng điện xe đẩy dầm đôi

Q1: What is the main difference between a single girder and a double girder hoist system?

MỘT: The key difference is structural. A single girder hoist runs under a single beam, which limits its capacity and hook height. A double girder hoist runs between two top-running girders, offering higher capacity, better hook approach, greater lifting height, and is built for more intensive, precise work.

Q2: Can the hoisting and travelling speeds be adjusted?

MỘT: Đúng. While dual-speed is standard, we highly recommend Variable Frequency Drives (VFD) for precise control. VFDs allow for soft starts/stops and infinitely variable speed adjustment, which is crucial for handling delicate loads or for precise positioning.

Q3: What safety features are included as standard?

MỘT: Standard safety features typically include an upper/lower limit switch, an overload limit device, a dual braking system (điện từ + cơ khí), and emergency stop buttons on the pendant. Additional safety options like anti-collision systems and rotational hook blocks are available.

Q4: How is the hoist maintained and serviced?

MỘT: Maintenance is straightforward. Regular checks include visual inspection, verifying brake function, checking wire rope for wear, and ensuring limit switches operate correctly. We provide detailed maintenance manuals and offer service contracts for periodic professional inspection.

Q5: Can this hoist be customized for a specific application?

MỘT: Absolutely. We offer a wide range of customization options, including special lifting heights, capacities, tốc độ, điện áp, and specific duty cycles. We can also provide special hooks, galvanized finishes for corrosive environments, or explosion-proof versions.

Liên hệ với chúng tôi

For more information, technical data sheets, or a custom quote tailored to your specific needs, please get in touch with our engineering sales team. We are here to help you find the perfect lifting solution.