Double Girder/Beam Gantry/Door Crane with Hook or Hoist

    MG model A type electrical construction site use gantry crane 30t   

1.24 hours drawing 
2.CE ISO BV 
3.Warranty 2 years 
4.Serve for world's top 500 

 Product Component                                                                                
1.main girder 

be welded of steel plates with honeycomb hole, connected by high-strength precision bolt. 
there are sliding rail for trolley to travel upper the girder which is fixed on outrigger by high-tension precision bolt 
2.outrigger 
a. consist of rigid outrigger and flexible outrigger, all connection points are connected by high-tension bolt 
b. the ladder is used by operator to enter into cab or arriving at winch 
c. when the span>30m,there need a flexible leg aiming at reducing the lateral thrust the trolley has to the rail when the

girder load objects 
3.travelling mechanism 
a.the driving gear box supplys power to realize the cranes travelling.    
b. what the difference between driving gear box and passive wheel box is that passive wheel box lacks transmission

structure such as dynamo, reducer and a pair of exposed gear 
4. trolley with hoist 
a. trolley frame welded of steel plate  is the loading and travelling mechanism of trolley with hoisting 
b.winch is the lifting mechanism of trolley..when it works, wire  rope affects the pulley as rising and falling movement,

which makes suspended objects lifting and lowering 
5. Cab 
a. glass window through which one can watch overall working condition is installed in the front and two sides of the cab 
b. Electric cabinet as a group of independent cabinet , fixed outside of cab is connected by control cable and 
 

MG Model Double girder gantry crane                                                                                
 

 Safety Device                                                                                                                                          

Packaging & Shipping                                                                                                                        

Packing

Electric parts are packed by strong plywood crate,others packaged in polythene woven cloth.

Shipping                                                                                                                                                                                  1. Express:

For the sample or the small order quantity from you, we can send the good off

immediately after we sign the contract, and we adopt the air express courier.

2. Air shipment:

We can adopt the bulk air shipment for the medium orders. If you have your own

agent to collect the commodity at the local air port, this method may be suitable for you.

3. Sea freight

If you give us a larger order and the order is more than 3 cubic meters, we

usually adopt the sea freight, itll take a longer time to deliver the goods, may be 20- 30 days.

We can send you paperwork which is required for the customs clearance in case of the different regulation of your country.

4. Payment terms:

We can accept L/C at sight, 30% T/T in advance, the balance paid before shipment.

For the old clients, we can provide the discount service.

5. Warranty:

We'll be responsible for maintenance if our product itself has quality problems during one year after receiving.

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