20 Ton 30 Ton 50 Ton Double Girder Overhead Crane with Electric Trolley for Steel Mill Workshop Material Handling Operations

Product Description

High-Performance Double Girder Overhead Crane

Our high-performance double girder overhead crane is engineered for heavy-duty lifting with exceptional precision and reliability. Designed to handle large loads with ease, it offers smooth and efficient operation, making it ideal for a wide range of industrial applications such as manufacturing, warehousing, construction, and port operations. Built with durable materials and advanced control systems, this crane ensures safety, durability, and enhanced productivity in demanding environments.

Versatile Applications

Warehousing & Logistics: Streamlines loading, unloading, and goods transfer in warehouses.
Ports & Docks: Lifts heavy components and assists in ship maintenance.
Construction: Handles steel structures and precast elements efficiently.
Automotive: Hoists engines and aids in vehicle assembly and maintenance.
Energy Industry: Lifts and maintains heavy power equipment safely.
Machinery Workshops: Positions and handles large machines and parts.
Aerospace: Supports precise aircraft assembly in limited spaces.
Chemical Plants: Manages container and pump handling safely.
Retail & Distribution: Enhances goods flow in warehouses and stores.

Drawings & Dimensions

Our engineering team can provide tailored designs to meet specific project requirements.

Detailed Technical Specifications

Custom configurations available upon request for tailored solutions.

Item	QD Type Double Girder Crane	LH Type Electric Hoist Double Girder Crane	LD Type Single Girder Crane	European Type Double Girder Crane
Lifting Capacity	5t ~ 320t (customizable)	5t ~ 32t (customizable)	1t ~ 20t (customizable)	3t ~ 80t (customizable)
Span	10m ~ 50m (customizable)	7.5m ~ 31.5m (customizable)	5m ~ 28.5m (customizable)	10m ~ 40m (customizable)
Lifting Height	6m ~ 30m (customizable)	6m ~ 30m (customizable)	6m ~ 20m (customizable)	6m ~ 30m (customizable)
Lifting Speed	3.5 ~ 12.5 m/min (dual speed or inverter optional)	8 / 0.8 m/min (dual speed)	8 m/min (single speed)	0.5 ~ 8 m/min (VFD optional)
Trolley Speed	20 ~ 40 m/min (inverter optional)	20 m/min	20 m/min	10 ~ 40 m/min (VFD optional)
Crane Travel Speed	30 ~ 60 m/min (inverter optional)	20 ~ 45 m/min (inverter optional)	20 ~ 30 m/min	20 ~ 60 m/min (VFD optional)
Number of Inverter Drives	Up to 3 (hoisting, trolley, crane)	Standard 1 (hoisting), optional up to 3	Optional 1~2	Optional 3 (fully adjustable)
Working Duty	A5 ~ A7 (customizable)	A3 ~ A5 (customizable)	A3 ~ A4	A5 ~ A6 (customizable)
Control Mode	Cabin / Remote / Control Console (customizable)	Pendant / Remote / Cabin (customizable)	Pendant / Remote	Remote / Console / PLC (customizable)
Motor Type	YZR metallurgical / integrated drive (optional)	Integrated drive or standard motor (optional)	Standard motor	ABB / SEW. / Siemens (customizable)
Power Supply	AC 380V 50Hz (other voltages customizable)	AC 380V 50Hz (customizable)	AC 380V 50Hz	AC 380~690V, 50/60Hz (multi-voltage available)
Structure	Welded double girder with platform and cable trolley (customizable)	Double girder with hoist rail	Single girder + underslung hoist	Box girder with compact European trolley
Safety Features	Limit switch, buffer, overload, anti-collision (customizable)	Limit switch, emergency stop, phase protection	Limit switch, buffer, alarm	Anti-sway, diagnostics, status monitoring (customizable)
Applications	Steel mill, power plant, heavy industry, molds	Equipment handling, general fabrication	Warehouse, workshop, light assembly	Smart factory, high-end production line, clean room

After Sales Service

Standard Warranty: Benefit from comprehensive 12-month coverage ensuring peace of mind.
Global Support: Access 24/7 technical assistance and reliable spare parts availability worldwide.
Comprehensive Training: Avail on-site or remote operation and maintenance training for optimal use.

Company Profile

Shandong Lingrui Lifting Group Co, Ltd.

Founded in 2015, Shandong Lingrui Lifting Group Co., Ltd. has rapidly ascended as a trailblazer in the lifting equipment industry, propelled by a commitment to innovation, excellence, and exceptional service. Our dedication to quality and integrity defines our mission as we leverage high-quality management and cutting-edge technology to deliver unparalleled products. Adhering to the principles of honesty, pragmatism, and quality assurance, we have significantly elevated our product standards and expanded our market reach across the nation. Our international trade has experienced remarkable growth, solidifying our strong presence in Europe, America, Southeast Asia, and Africa. Our products have earned the unwavering trust and support of clients worldwide. We warmly welcome both new and long-term partners to join us in achieving mutual growth, elevating your business success, and reaching new pinnacles together.

Why Choose Us?

Other Products

OEM/ODM Capabilities: We provide customized solutions tailored to your specific needs and branding requirements, ensuring a perfect fit for your business.
Competitive Pricing & Bulk Discounts: Revel in the unparalleled value we offer with our high-quality products, ensuring significant cost savings on large orders. Our competitive pricing strategy is designed to provide exceptional affordability without compromising on quality.
Fast Shipping & Customs Clearance Support: Discover the ultimate in logistics efficiency with our premier fast shipping services. We ensure your products reach you swiftly while expertly navigating the complexities of customs, providing a seamless and stress-free importation experience.
Turnkey Project Solutions: From the spark of an idea to the triumphant completion, our all-encompassing services guarantee a flawless project execution. Relish the convenience and assurance provided by our bespoke turnkey project solutions, meticulously crafted to cater to your distinct requirements.

  Shandong Lingrui Lifting Group Co., Ltd excels in offering a diverse array of cutting-edge lifting and material handling solutions. Backed by years of industry experience and a commitment to innovation, we provide comprehensive equipment systems tailored to meet the evolving needs of global industrial sectors.

1.Our sophisticated product lineup includes state-of-the-art equipment such as column boom cranes, gantry cranes, jib cranes, hand-pushed gantry cranes, and general-purpose overhead cranes, engineered for optimal performance, safety, and reliability.
2.In the field of transport and automation, we deliver high-efficiency electric flat cars powered by durable battery systems, as well as hydraulic lifting magnets for excavators that enhance scrap handling efficiency in steel mills and recycling centers.
3.We are also at the forefront of modern logistics and smart handling with our pioneering air cushion transport vehicles, which enable non-contact movement of heavy loads with minimal floor impact—ideal for precision manufacturing environments.

4.Our range of vacuum lifting devices and advanced glass handling robots offer intelligent, ergonomic, and secure lifting solutions for fragile or smooth-surfaced materials, widely used in construction, glazing, and electronics industries.

FAQ

Q: What is the maximum lifting capacity of your double girder overhead crane?
A: Our cranes can be customized from 5 tons up to 100 tons or more, depending on your specific needs.

Q: Can the crane span and lifting height be customized?
A: Yes, both the span and lifting height can be tailored to meet your site and application requirements.

Q: What control modes are available?
A: We offer pendant control, wireless remote control, and cabin operation, with optional frequency inverters for speed adjustment.

Q: Is the crane suitable for outdoor use?
A: Yes, the crane is treated with anti-corrosion coatings and equipped with weatherproof electrical components, making it ideal for outdoor environments.

Q: What kind of power supply does the crane require?
A: The standard power supply is 380V/50Hz three-phase, but we can customize the voltage to suit your regional standards.

Q: What safety features does the crane include?
A: Our cranes come with overload protection, limit switches, emergency stop functions, and anti-collision systems for maximum safety.

Q: How long does delivery usually take?
A: Standard delivery time is 20–45 working days, depending on the order quantity and customization requirements.

Q: Can the crane be equipped with a frequency inverter (VFD)?
A: Yes, we can equip the crane with a VFD for smooth and adjustable speed control.

Q: What type of hoist is used on the crane?
A: We use either electric wire rope hoists or electric chain hoists, selected based on load capacity and application.

Q: Do you provide on-site installation and operator training?
A: Yes, we provide on-site installation support and training services upon request.