Main feature of the crane
Crane metal structure main contains the main beam, rigid legs, flexible legs, ground beam and railing, cab etc.
Crane main beam adopts double beam structure, on the panel of the two main beam, there are 4 rails which is used for trolley traveling. One set crane has two main hook, running on a track on the bridge flange, in order to turn and lifting large hull blocks.
In order to light the dead weight, rigid legs adopt box type; flexible legs adopt herringbone frame structure, composed by the joint, two pipes, under the joint.
Crane power supply adopt cable drum. Trolley adopt suspension cable pulley device, set on the top surface of the two main beams.
This crane has overload protection, windproof rail clamp, limit anchoring device, wind speed various institutions, load display device.
Feature
1. Reasonable structure and favorable performance.
2. Smooth starting and stopping.
3. Safe and reliable traveling, long life.
4. Low noise, commodious cabin with good view.
5. Easy installation and convenient maintenance.
6. Excellent exchangeability for parts and components.
7. Crane drive: IP54 or IP44, level F insulation.
Safety system
1. Weight overload protection device.
2. Top quality long time bearing polyurethane materials buffer.
3. Crane travelling limit switch.
4. Voltage lower protection function.
5. Emergency stop system.
6. Current overload protection system and so on!
Quality promise
1.All products have production permit or recognition permit no fake or renovated products;
2.Quality of all products reach class A or distinguished class;
3.Main data of the products satisfy related codes;
4.Strictly follow technological requirements in manufacturing;
5.Strictly test products with standard testing devices to prevent unqualified products from leaving the plant;
6.Set up complete files to keep order contract, manufacturing record, test record, material receiving certificate and factory-leaving record;
7.All products to be delivered are no-damage in appearance and painting and are supplied with mating parts to satisfy clients.
After-sales service promise
1.Quality problems of products sold by our company will be solved as per the “three guarantees” system of our company by the “three guarantees” service team;
2.Related personnel will be sent to the site immediately after receiving quality complaints (by call, letter or oral notice) from clients;
3.Personnel involved in after-sales service shall be serious and considerate in handling the problem to make clients care-free;
4.In addition to solve quality problems, personnel involved in after-sales service shall train clients, answer their technical inquiries and related questions free of charge;
5.Related cost for products with quality problem will be shouldered by our company. Our company charges for quality problems caused by clients (or problems after the warranty term), but the charge will not be higher than the expense (or cost);
Processing technology of major parts of cranes
1.Main beam will have sandblast derusting and painted with zinc rich epoxy primer;
2.Main beam is cut by plasma numerical control cutting machine;
3.The butt weld of tension flange shall undergo ultrasonic or x-ray flaw detection as specified.
