Rubber-Tired Crane

Product Introduction

A Rubber-Tired Crane is a mobile gantry crane supported by rubber tires rather than fixed steel rails. Its main structure typically consists of a gantry main girder, rigid and flexible legs, a hoisting trolley, a rubber-tired travelling system, an electrical control system, and access platforms for inspection and maintenance.

The crane performs lifting operations through the coordinated movements of the gantry travelling mechanism, trolley travelling mechanism, and hoisting mechanism. Its rubber-tired design allows it to move across suitable prepared surfaces without requiring a permanent rail track, providing flexibility for material handling and heavy-load transfer in outdoor industrial areas.

Rubber-Tired Cranes are commonly used in factory yards, prefabricated component storage areas, shipyard open yards, and other material-handling facilities where heavy loads need to be lifted and relocated between different working positions.

Key Features

• Flexible Mobility: Rubber-tired travelling enables the crane to move between designated working positions without relying on fixed steel rails.
• Efficient Yard Operations: The coordinated movement of the gantry, trolley, and hoisting mechanism supports lifting, positioning, and transferring heavy materials.
• Gantry Structure for Heavy Loads: The main girder and supporting legs provide the structural framework for lifting operations, with dimensions and capacity determined by the project requirements.
• Adaptability to Outdoor Worksites: Suitable for industrial yards and open storage areas with appropriate ground conditions and access routes.
• Flexible Site Layout: The absence of permanent rail infrastructure can simplify layout changes and provide greater flexibility when arranging material storage and handling areas.
• Accessible Inspection and Maintenance: Dedicated access platforms and inspection walkways can facilitate routine checks and maintenance, subject to the specific crane configuration.

Technical Specifications

Parameter	Specification
Product Type	Rubber-Tired Crane
Crane Configuration	Mobile Gantry Crane
Travelling Support	Rubber Tires
Main Structure	Main Girder, Rigid Leg, Flexible Leg
Hoisting Arrangement	Hoisting Trolley
Main Movements	Gantry Travelling, Trolley Travelling, Load Hoisting
Control System	Electrical Control System
Typical Installation Area	Industrial Yards and Outdoor Storage Areas

Note: Detailed technical parameters, including rated lifting capacity, span, lifting height, travelling speed, trolley speed, hoisting speed, steering arrangement, power supply, and working class, should be confirmed according to the selected model and project requirements.

Working Principle

A Rubber-Tired Crane operates through three primary movements: gantry travelling, trolley travelling, and load hoisting.

The rubber-tired travelling mechanism moves the entire gantry along a suitable prepared surface to reach the required working position. The hoisting trolley travels horizontally along the main girder to position the lifting point above the load. The hoisting mechanism then raises or lowers the load through the lifting rope and hook assembly.

By coordinating these movements, the crane can lift, transfer, and position heavy materials within its designed working area. Before operation, the ground bearing capacity, surface condition, tire loading, crane stability, and permitted travelling conditions must be evaluated to ensure safe performance.

Applications

Rubber-Tired Cranes are suitable for outdoor material handling and heavy-load transfer operations where flexible movement and efficient use of yard space are important.

• Factory Yards: Moving heavy machinery, fabricated products, and industrial materials between designated work areas.
• Prefabricated Component Yards: Lifting and transferring large structural components and prefabricated assemblies.
• Shipyard Storage Areas: Handling heavy steel sections, shipbuilding components, and other materials stored in open yards.
• Industrial Material Storage: Relocating heavy loads between storage, inspection, assembly, and dispatch areas.
• Construction and Fabrication Sites: Supporting heavy component handling where suitable ground conditions and adequate operating space are available.

OEM & Customization

Chunhua provides customized crane solutions based on project-specific lifting requirements and site conditions. Rubber-Tired Crane configurations can be evaluated according to rated lifting capacity, span, lifting height, main girder design, leg configuration, travelling arrangement, and required working coverage.

Other design considerations may include tire and steering arrangements, electrical control systems, power supply, operator access, inspection platforms, and operating conditions. The appropriate configuration depends on the intended load, ground conditions, travelling route, operating frequency, and site layout.

For a customized solution, customers are encouraged to provide the load weight and dimensions, required lifting height, span, yard layout, ground conditions, and expected handling procedure.

FAQ

1. What is a Rubber-Tired Crane?

A Rubber-Tired Crane is a mobile gantry crane that uses rubber tires for travelling instead of fixed steel rails. It is designed to lift and transfer heavy materials across suitable industrial yard surfaces.

2. What are the advantages of a rubber-tired travelling system?

A rubber-tired travelling system provides flexibility in crane positioning and avoids the need for permanent steel rail installation. Its practical mobility depends on the steering configuration, ground conditions, load requirements, and approved travelling routes.

3. What types of materials can a Rubber-Tired Crane handle?

Depending on its rated capacity and lifting configuration, it can handle heavy industrial components, prefabricated structures, steel sections, shipbuilding components, and other materials commonly found in industrial yards.

4. What site conditions are required for a Rubber-Tired Crane?

The operating surface should provide adequate bearing capacity, stability, and suitable travelling conditions. Ground unevenness, gradients, drainage, obstacles, and turning space should be considered during site planning.

5. Can a Rubber-Tired Crane be customized?

Yes. The crane can be configured according to the required lifting capacity, span, lifting height, travelling arrangement, site layout, and operating conditions. Final specifications should be confirmed through project-specific technical evaluation.

Inquiry CTA

Looking for a Flexible Heavy-Lifting Solution for Your Industrial Yard?

Contact Chunhua to discuss your lifting requirements, site conditions, and material-handling workflow. Our team can help evaluate a suitable Rubber-Tired Crane configuration for your application.

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