20 feet container 40 feet container semi automatic container spreader

According to the different connection methods between container cranes and loading and unloading machinery, namely the different lifting methods, the main lifting methods of container cranes are:

1. Four lifting points for lifting

The four lifting points lifting method has four lifting points when lifting containers. The lifting appliance is connected to the container from the four lifting points, and is wound on the lifting drum of the loading and unloading machinery lifting mechanism through the steel wire rope pulley system on the lifting appliance to lift the container.

Container specialized loading and unloading machinery, such as shore container cranes (container loading and unloading bridges), container straddle carriers, container gantry cranes, etc., all use this type of container crane.

2. Single lifting point lifting

When using gantry cranes or ship booms to lift containers, there is only one lifting point for the lifting appliance. After lifting with four ropes, the lifting appliance is concentrated at a point on the hook, and the connection between the lifting appliance and the container corner can be operated electrically, electrohydraulically, or manually.

The lifting equipment used to lift containers, such as shackles, wire ropes, and hooks, is called rigging. The structure of a simple container crane mainly consists of a crane frame and a manual rotary lock mechanism. They are all single point lifting appliances.

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Why Choose OUCO Marine Crane?

1. OUCO uses special marine-grade steel plates, DH36 for better corrosion resistance and EH36 for -40°C conditions.
2. The more symmetrical center design of the octagonal boom makes it have a bigger anti-bending capacity.
3. OUCO Marine Crane can be telescoped and folded with a load.
4. OUCO has simulated marine working conditions, with a Trim≤2° and Heel≤5°.
5. OUCO uses fan coolers to ensure long-lasting operation of the crane at high temperatures.
6. OUCO uses holding valves to ensure crane safety in case of hydraulic system failure.
7. OUCO uses stainless steel grease nipples to avoid rusting under marine conditions.
8. The anti-two block system, composed of a top limit and bottom limit, ensures the winch's safety.
9. OUCO uses a precise step-less speed control valve.
10. Emergency stop devices are installed on each crane
11. OUCO follows the C5M marine painting rules and uses world-famous paint brands. 
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