Single girder overhead cranes are light small lifting overhead cranes or bridge cranes with two-side connection/both ends in the cement column or metal bracket shaped like a bridge, which suspended from the workshop, warehouse etc and travel under I-section or H-section steel beams. The bridge is laid along the track on both sides of the viaduct, so that they can make full use of the space under the bridge to lift the material without the hindrance of the ground equipment. Single girder overhead cranes consist of main bridge girder (single), end truck, electric hoist and electric system to help move heavy loads for 3 directions: Up-Down, Left-Right, Forward-Backward. Single girder overhead cranes are designed to assist with a wide range of lifting tasks and moving operations which will contribute to your daily productivity and overall success and proved to be a powerful and reliable solution for assorted industries while serving multiple applications in a diverse set of environments. They are the most popular, pragmatic and cost efficient lifting cranes (light duty track traveling crane).
The main role of single girder overhead cranes is timely and safely complete the object displacement by intermittent and cycle work, with electric trolley or other means of lift devices such as grab or electromagnet. They are important tools and equipments for material handling to achieve mechanization and automation. They also have the functions of reducingthe burden on workers during modern industrial production process, improving labor productivity and efficiency, saving the cost of the workshop. Besides, they have become indispensable lifting production to a certain extent and suit the tailor-made requirements of customers.
Using high-quality components can reduce failure rate and maintenance costs. The system benefits from a travelling motor gear box ensuring that the motor starts quietly and smoothly whilst offering 1 or 2 travelling speeds and variable travelling speeds. Latching devices allow direct transfer of the hoist trolley between the crane and a suspension monorail, flexible connections between the crane girder and end carriages enable single-girder cranes to operate on tracts that are not parallel. There are also top running end-carriages that feature direct drive wheels, rubber buffers and the end carriages are fastened with a plate bolted onto the girder. Lifting mechanism, trolley and crane can be controlled independently and work synchronously or individually. Various parameters tested to ensure strong construction, smooth operation and high load bearing capacity. Besides, safe slide wire/cable provides high conductivity and small voltage drop power, current collector slide speed is swift.
Our single girder overhead cranes also come standard with travel limit switches, they feature maximum rigidity and minimum deadweight. This maximizes crane runway loading and enables a more cost-effective building design and overall system solution. And environment which requires special used crane instead. Ramhoist crane packages are pre-engineered, complete crane component packages utilizing cutting edge technology. Plug-in cabling and bolted structural connections simplify assembly. What’s more, there are normal headroom (general type, also called LD type) and low headroom (European type) for both Top Running Single Girder Cranes and Under Running Single Girder Cranes.
Due to their various main girder connection variant, the single girder overhead cranes are applicable to transfer, assembly, check and repair as well as load and unload various materials in the various indoor and outdoor environment such as factory, plant, warehouse, stockyard, mine, machinery manufacturing, concrete industry, assembly repair, production workshop, garage, metallurgical steelmaking field, petroleum, petrochemicals, ship building, electric power, paper making, railway transportation construction field, civil aviation, port/harbor and logistics turnover etc, especially for the applications that require precise positioning of the material handing, large parts and precision assembly, even in buildings with low ceilings. However, this type of single girder overhead cranes are banned to be used in some dangerous environment, such as, combustible/ flammable, explosive, or corrosive gas
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LINKS : Dongqi Crane