Trolley gantry crane has small crane and large gantry crane, thus it can be used for both light duty lifting work and heavy duty lifting work. It is applied for loading and unloading material in factory, warehouse, construction site, producing line, mining enterprise, coal mine etc. This kind of lifting gantry has many different types, such as L model gantry crane, u type crane, workstation crane, portable garage gantry crane. Ellsen, a professional China lifting cranes manufacturer, supplies top crane for lifting. Ellsen provides customized service, customers can buy suitable type according to specific requirement and need.
Why install travelling limiter device?
Lifting equipment is widely used in industrial field, such as producing workshop, smelting factory, large heavy industry enterprises. For heavy duty lifting work, safety is very important. Travelling limiter device is installed on the crane to avoid overload and can prolong the crane’s service life.
Crossing girder, trolley, main hook are installed with travelling limiter device. Once collision happens, straight moving type switch can disconnect automatically. During work, sometimes lifting crane stops work, these travelling limiter devices are in the state of stopping. Some crane parts should be installed with travelling limiter to prevent accidents.
The position of trolley’s travelling limiter should be suitable. The driving device of trolley adopts three-in-one driving type, which is combining driving, braking and transmitting into together. It has many advantages, compact structure, light weight, fast installation and stable move.
What are technologies of crane rail?
First, rail and lining board must be fixed on the solid foundation, the rail can’t have corrosion, and steel structure must be strong.
Second, rail surface must be checked carefully, no highlight or sag parts.
Third, pay attention to the lay of rail ends. It must be connected with fishplate and fixed by strong bolts.
Fourth, the height of two side’s rail must be same, the height error is less than safe 3cm.
Purchase cost-effective trolley gantry crane from Ellsen
1. Different types, customized service
2. Wide application, high praise
3. Cost-effective, good performance
4. Reliable quality, professional technology
5. Complete safety device, easy operation
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