Railway Construction Gantry Crane for Precast Concrete Bridge Girder Erection

Product Description

Railway Construction Gantry Crane for Precast Concrete Bridge Girder Erection

Brief Introducion:

Bridge girder gantry crane is a specially designed for bridge construction of a gantry crane.Truss girder gantry crane is mainly
composed of main girder, leg, crown, etc, with pin shaft and high-strength bolt connections between components, easy to tear open
outfit, transportation;Compared with the ordinary gantry crane, installation fast and convenient, economical and practical.

Working way:

Option 1: Two sets cranes work together to lift 1pcs concrete beam.(Each crane lift capacity is 450ton)Option
2: One set crane work alone to lift 1pcs concrete beam( The crane max lift capacity is 900 ton)

It applies to offten using road and bridge construction unit. It main applies to move the concrete bridge girder, precast slab, precast
slab from one place to another place.This type of gantry crane divides into two type:one is rail-way type, the other is rubber tyred type.

Technical Parameters:

1.There is a lower speed for the running and lifting speed to keed the accuracy of the coonections between concrete beams.

2. There should be enough room inside the concrete beam lifting crane to meet the demands of  the installations of the concrete
beam and bridge construction devices.

3.It should be convenient for the transportation of assemble and disassemble on the principle of  high strength and product quality.

4. When 2 sets cranes working together to lift 1pcs concrete beam, the two cranes should lifting and running at same time and disctance.

 

Safety Devices for gantry crane:

To guarantee the normal operation of crane and avoid the personal casualty and mechanical damage, the safety device we provide are
not only the electric protective devices or alarm bell but also other

equipments as following:
1.Overload Limit Switch
2. Rubber Buffers
3.Electric Protective Devices
4.Emergency Stop System
5.Voltage Lower Protection Function
6. Current Overload Protection System
7. Rail Anchoring
8.Lifting Height Limit Device

It is composed of beam, support legs, crane travelling mechanism, trolley, electric equipment and so on.










Customized made gantry crane accepted according to client's actual using conditions.


Safety Devices for MGH Gantry crane:
To guarantee the normal operation of crane and avoid the personal casualty and mechanical damage, the safety device we
provide are not only the electric protective devices or alarm bell but also other equipments as following:

1.Overload Limit Switch
2. Rubber Buffers
3.Electric Protective Devices
4.Emergency Stop System
5.Voltage Lower Protection Function
6. Current Overload Protection System
7. Rail Anchoring 
8.Lifting Height Limit Device



FAQ

Q1. Can the cranes be customized?
Yes,every customer's working condition is different, all of our products can be customized depend on customers'
requirements. Please give us the information as clear as you can, so we can give our best design to suit for your demands.

Q2. How many operation methods for my selections?
We provide pendent controller with push button control type, remote control type or cabin control type.Please tell us
what kind of operation way you need.

Q3. I have low headroom in my workshop, is it possible to install a crane in it?
We have special products for low headroom workshop, our engineer can give the best design according to your dimensions.

Q4. Do you supply lift tools?
Yes, we can provide any kind of lifting tools such as hook, electromagnetic, grab bucket etc...

Q5: In order to offer the most suitable design solution for you, it will be great helpful if you can offer us the
following information to us:
1. Lifting capacity.

2. Span length.(rail center to rail center)

3. Lifting height.(hook center to ground)

4. Have you installed the rails? Do you need us to supply the rails? How long is it? 5. Power supply: Voltage.

6. Working condition: what kind of material to lift? temperature?

7. It would be much better if it is possible for you to offer the drawing photo of your workshop.

Mingdao Crane Company Introduction:

We are a member of China Lifting Industry Association, safety-recognized enterprise, national crane machinery designated production organizations, we have obtained mechanical engineering "design certificate", and the national issued crane "manufacturing permit",installation and maintenance, renovation and maintenance of the "License" and so on.

In the past 10 years, we are aiming at China domestic market and become a leading manufacturer in China. Also, with the help of China trading companies  we have exported our products to many countries such as Vietnam, Philippines, Sri Lanka, Bangladesh, France, Dubai, Kazakhstan, Russia, Tanzania ,Peru , Newzealand,etc countries .  We got 99% good feedback from the overseas customers. 

Now we are not only aiming at China domestic market growth ,but also to expand the international market with our quality and price advantages.  Send us an inquiry now.

The company has six functional departments, including R&D department, sales department, materials supply department, production department, QC department,after-sales department. There are 16 workshops including electrical, riveting, forging, assembly, heat treatment, machining and maintenance.

Our company produces various lifting equipment and loading and unloading. The equipment is 30,000 tons and the sales income is 360 million yuan. 18 offices and 76 sales and service agencies in power plants, industrial and mining enterprises, and port terminals.

Integrity, quality, customer satisfaction is the pursuit of Mingdao heavy workers!