factory casting overhead crane

30 tons overhead crane for sale

30 tons overhead crane is lifting device that carry loads below 30 tons. There are sort of double girder overhead cranes that confirm your need. Why not have a look for the following pictures and parameters.

Ellsen overhead crane manufacturer is one of the most famous company of China. It locates in the biggest heavy industry base, HeNan province. The advantage of industrial agglomeration makes it a leading brand that dominating crane market of China. To benefit your purchase, Ellsen promises you that you can get high quality overhead crane in the cheapest price if you contact us now.

factory steel plate overhead crane
Ellsen Steel Plant Overhead Crane


QC 30 Tons Overhead Crane

• Lifting capacity: 5~50t
• Span Length: 10.5~31.5m
• Lifting Height: 6~18m
• Crane Travelling Speed: 42~112m/min
• Working Class: A6, A7

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30 tons overhead crane sale
Ellsen Double Overhead Crane with Trolley


NLH 30 Tons Overhead Crane

• Lifting Capacity: 3.2~80t
• Span Length: 10.5~31.5m
• Lifting Height: 6~18m
• Lifting Speed: 0.5/3.4~0.8/5m/min
• Crane Travelling Speed: 3~30m/min
• Working Class: A5

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How to maintain your 30 tons overhead crane

After the understanding of Ellsen main products, you may want to learn more about how to maintain and repair this device. The correct use and maintenance of crane concerns a lot to its service life. So the check and examine of your crane in a period is necessary. Here are the key measures for main crane components.

1. Lubrication.

The service life and quality of different unit of your overhead crane depends on regular and correct lubrication. For common situation, check the lubrication condition, add or change oil of each unit every three month is enough. While for high dense and poor environment transporting occasion, it is better to change oil in a shorter time to make sure a good lubrication.

2. Chain.

To prevent chain loose causing overhead crane low down working ability. When the lifting unit is on work, hook unit should keep from spinning. And chains should lubricate correctly. Do not use acidic and strong corrosive oil.

grab bucket overhead crane
Ellsen Grab Overhead Crane


QZ 30 Tons Overhead Crane

• Lifting capacity: 5~20t
• Span Length: 10.5~31.5m
• Lifting Height: 6~18m
• Lifting Speed: 39~45m/min
• Crane Travelling Speed: 42~112m/min
• Working Class: A6

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3. Hook unit.

As one of the most important parts of crane, hook should be checked regularly. Change a now one if hook has any shape changing or crack.

4. Metal structure.

As the most important force support element, the maintenance of metal structure decides the safety and performance of your overhead crane. When using you crane, pay attention to do not start and brake suddenly, or your crane may produce heavy additional dynamic load. Then, check welding line of main beam and end beam, for those are main welding joint. If you find any crack of welding line, stop using the overhead crane. And when main beam has shape changing, stop use it and make repairing plan.

5. Electrical system.

To prolong the service lift of your electrical system, this parts should pay much attention: clean of contactor in the control cabinet, contact of linkage console and control system of overload limiter.

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