Monorail Overhead Crane
A Monorail Overhead Crane is a dedicated rail-mounted lifting device installed on the ceiling or elevated structures of spaces such as ship engine rooms, workshops, and warehouses. It adopts a single main girder made of I-beam or H-beam steel, along which the trolley and hoist mechanism can move horizontally, enabling efficient and precise material handling along a fixed path.
Boasting the advantages of simple structure and low cost, the Monorail Overhead Crane is particularly suited for confined spaces or linear movement scenarios. It is the most widely used and most numerous type of lifting equipment in applications including ship engine rooms and workshops.
Components
--- for spaces such as ship engine rooms, workshops, and warehouses
The Monorail Overhead Crane consists of steel structures such as the
main girder, trolley, hoist mechanism (hoist unit), and rail support structure, whose functions are as follows:
- Main Girder: The core load-bearing component of the entire crane, providing structural support and foundation. It is generally made of high-strength steel such as carbon steel. Material selection is determined based on the crane's lifting capacity, material strength, and durability requirements.
- Trolley: A component that moves horizontally along the full length of the main girder. Equipped with a built-in hoist mechanism (hoist unit), it drives the lateral movement of loads and ensures precise positioning during lifting operations.
- Hoist Mechanism (Hoist Unit): Mounted on the trolley, it is responsible for the vertical lifting and lowering of loads. Its rated lifting capacity can be flexibly configured according to actual working conditions, covering both light-duty and heavy-duty operation requirements.
- Rail Support Structure: Supported by elevated structures or equivalent components, it bears the weight of the main girder while ensuring the smooth movement of the trolley and hoist mechanism along the preset path.
assembled & testing
The monorail overhead crane is being assembled and undergoing an overload test.
The Monorail Overhead Crane has ultimately passed the pre-delivery factory acceptance test, as well as the inspection conducted by LR (Lloyd's Register), an independent third-party certification body, and been awarded the LR Classification Certificate.
Detail
--- for monorail overhead crane
From initial design and project finalization, to semi-finished product processing and cost control, YFM has always prioritized service and quality. We strive to infuse unique value into every single crane we manufacture, and deliver long-term, far-reaching benefits to our customers.
Shipment
Regarding the Transportation Methods of Marine Cranes：
- 1. Full-unit Transportation
- Depending on the crane specifications, we will arrange container or flat rack transportation accordingly. For extra-large cranes, bulk carrier transportation will be adopted.
- 2. Knock-down Transportation
- Our cranes are designed with a modular structure, which can generally be disassembled into multiple units for transportation based on container dimensions. Among these units, oversized components will be directly secured inside containers by lashing, while electrical parts and accessories will be transported in plywood cases.
How to Select Our Monorail Overhead Crane?
When selecting a crane type, we need to fully consider the specific
operational requirements, load requirements, space availability, and budget considerations against the background of different industries.
For a Monorail Overhead Crane, we need to confirm the following key parameters: rated lifting capacity, lifting height, span, main girder support method, and operating environment conditions. In addition, if the crane is to be used onboard ships, it is also necessary to clarify the classification society certification that the crane must comply with, such as CCS, ABS, LR, DNV, RINA, RS, KR, NK, etc.
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