Double Girder Gantry Crane with Shield mainly used on the installation of the non - excavation device shield machine’s cutterhead and shield body, and the lifting work of tunnel support segment during construction. Have advantage of Stable performance, high production efficiency, easy maintenance, upper part is rotatable spreader, to accommodate the needs of different directions into the dug, with flexible operation mode, has a perfect safety instructions and overload protection devices, maximum to ensure the safety of operating personnel and equipment, the electrical system adopts PLC frequency adjustment, it is beneficial for the institutions control, DMG design, manufacture, inspection execution recently released national standards.

Double Girder Gantry Crane With Shield mainly used on the installation of the non - excavation device shield machine’s cutterhead and shield body, and the lifting work of tunnel support segment during construction.

Adopt Chi with spreader，spreader can rotation 360 degree, suit for different angles of installation of the cutterhead.

Adopt double trolley structure, two trolleys can be linkage, hoisting cutterhead, also can work separately to lift tube sheet.

Lifting using open gear drives and save the cost.

 

Crane power source is three phase, 50HZ, 380V;

Working temperature is -20~+45 degree,

Maximum relative humidity less than 95%(With condensation);

Working speed less than 20m/s;

Crane work duty A3, A4;

If crane have special requirements for environmental conditions, execution is according to the order contract.

 

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!

 

1.All products have production permit or recognition permission; 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.

 

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);

 

1.Main beam will have shotblast 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.

 

Weihua crane has all kind of industrial gantry crane; they are mainly divided into 2 kinds for single girder gantry crane and double girder gantry crane, All the gantry crane designs are designed according to gantry crane standard. Gantry crane has many gantry crane components include Gantry crane hoist, Gantry crane trolley, Gantry crane brake, gantry crane hooks, Gantry crane pendent, Gantry crane controls, gantry crane wheels Gantry crane rails, gantry crane rail stops and so on

 

Wihua crane can supply turnkey project including gantry crane installation, gantry crane commissioning gantry crane operator training and so on. Weihua crane can special design the gantry crane drawing according to the gantry crane dimensions according to the customer’s requirement.

 

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