Hoist Crane

Why use the API type A instead of the API type C?
Jiangsu Jiali Hoisting Machinery Manufacturing Co.,Ltd we truly believe that a box boom design is to be preferred over a type C crane with a grid boom and A-frame, mainly because:
1. A box boom construction is simpler, there are fewer critical welds, the materials used can be stronger and it can be more corrosion resistant than the API type C crane.
2. The load is held by hydraulic actuators (cylinders) which are very rugged and simple in their design which makes failures exceptionally rare. A type C crane contains wire ropes, winches, planetary gears, hydraulic motors, spring applied disc brakes etc. which if anyone of these components fail can lead to disaster.
3. Maintenance of a box boom crane is considerable easier as there are fewer exposed components and the system is much simpler, which decreases the maintenance cost and downtime of the crane.
4. A box boom crane takes up much less space as it does not have an A-Frame.
5. The energy in the boom hoist wire rope in type C cranes has been known to cause the cranes to tilt backwards. This happens when a heavy load is suddenly released and the energy in the wire rope pulls back the boom. This type of accident can not occur on a box boom crane.
6. The K-Value for our cranes is very low, which is favorable for sea-stage operations.
All in all we believe a box type crane is preferred as it increases the safety and reliability while significantly reducing the costs.

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Additional advantages of the HERKULES Box Boom crane design:
1. The whole structure is made as light as possible by the use of extra high strength steel, and advanced design optimization. This ensures that the environment is affected as little as possible, because the amount of raw material is low. Further more, in operation the crane will require less energy to move as the inertia of the structure is low and this will also lessen the forces exerted on the platform. As a consequence, the fuel consumption will also decrease as will the wear and tear on parts, so that the crane requires very little maintenance.
1. The crane boom is made of special weather resistant extra high strength steel, which will corrode much less than normal steel, for instance if the paint is torn off, and the steel is directly exposed.
1. The elevation of the HERKULES box-boom crane booms is able to elevate 88 degrees from horizontal and make the minimum radius very short. For some platforms this is also a huge advantage when hoisting drilling pipes as the boom does not interfere with the operation, making it more safe, and reduces the cost.
Jiangsu Jiali Hoisting Machinery Manufacturing Co.,Ltd our core competence embraces close collaboration with our clients, making customer specific products that is based on over 40 years of experience with designing and producing high quality hydraulic cranes. We believe that this combination of our own experience along with focus on our customers’ specific needs creates the foundation of maximum customer satisfaction.