Hot Sale 20/5t Double Trolley Bridge Crane

Product Specification

                   Hot Sale 20/5t Double Trolley Bridge Crane

Brief introduction of double trolley bridge crane:

Double trolley bridge crane is the widely used hoisting machinery currently. It is mainly comprised of box-shape bridge,crane crab,trolley travelling mechanism and electric control system. The load handling device is the hook.

On the main girder laid rails for crane crab to move transversely. The girder is weld with the box-shaped end girder. At the middle of the end girder are joints which are fastened with bolts for fragmented transportation of bridges. The platform is used to place trolley travelling mechanism,electric equipment and used for repair.

It has three operation modes:Ground handle,wireless remote control and cab.

Specification of double trolley bridge crane:

1.Load capacity is 5ton-550ton,

2.Span length is 7.5m-31.5m,

3.Duty class is A5-A7,

4.Working temperature:-25-40C degrees.

Picture of double trolley bridge crane:

1.Smaller wheel load ,space saving,

2.Double box girder,adapt advanced welding technology,ISO standard,

3.Material Q235B,

4.10.9 class high tension bolts mounting between girder and legs,life time safety connection.

5.Double flanged or flat wheels,anti-friction bearing,cellular buffers,derailment protectors.

6.Rope drum material Q235B,more reliable,

7.Durable rope guide,long life serving,

8.Limit switch and overload protection device help you keep safety.

Service of double trolley bridge crane:

Before order:

1.Answering customers'question:According to our customer's question by email or telephone,we will provide a patinet customer's service. In the begining of communication,customers will consult some details aboout our cranes or our company,and we will provide a professioanl answers for customers understand us better.

2.Technologh guidance:Our cranes are all customized products,our sales manager will work together with our engineer provide a reasonable solution just for our customers condition,

3.Design drawing:We will design drawing for customer's reference.

4.Making offer:According to customers purchase quantity,making a good offer with detail solution.

After order:

1.Delivery time: After signing the contract and receiving the deposit,the production will take 15-25 working days. Special standard make cost 5-10 more working days.

2.Order testing:After the deposit received,there will be a professional team tracking the order from production to package and shipment.

3.Crane testing:All the materials are purchased from high quality supplier in China or the world,beyod this,we also make commissioning and test before packagement to avoid the trouble back.

After-sale service:

1.Warranty period:We provide 12 months warranty for main body,within 12 months,there is any quality problem with the main body(not including the wearing parts),we will arrange our professional engineers to provide repairment service. Also we will provide one group wearing parts for free.

2.Installation service:If customer do not need our engineers for installation,we will provide remote advisory services. Also we could arrange engineers to provide installation service if customer need.

3.Period follow upfor cranes serving situation. Collecting customers comment,develop better products and service.

Factory View: