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How to install single girder overhead crane

19 May, 2017

How to install a single girder overhead crane? Tips from overhead crane engineer for you to install your single girder overhead crane. Check single girder overhead crane installation guide now.ODIHenan Dongqi Machinery Co., Ltd

Overhead cranes are heavy equipment, most clients can handle the installation easily, but for some new overhead crane clients, they have no idea how to install it.ODIHenan Dongqi Machinery Co., Ltd

How to install a single girder overhead craneODIHenan Dongqi Machinery Co., Ltd

How to install single girder overhead craneODIHenan Dongqi Machinery Co., Ltd

Actually Dongqi Crane will send English manual along with Overhead cranes, but usually the manual is useful for some people that are technical engineers or machine maintenance engineer or at least familiar with Overhead cranes, thus it is easier for them to study and take action. Considering the installation cost, especially for single girder overhead and electric hoist, sometimes, the installation cost is higher than the goods value, in this case, some general installation guides or skills should be leant; As one five years sales, with much experience on communicating with clients regarding Overhead cranes installation and after sales, following are general guides in real site to share with all the clients.ODIHenan Dongqi Machinery Co., Ltd
It is for single girder overhead crane not for all the Overhead cranes, please be noted.ODIHenan Dongqi Machinery Co., Ltd

A. Necessary tools should be prepared in advance:

  • Truck crane
  • Hammer
  • Different size of Wrenches
  • Tapes
  • Pinchers
  • Wire-cutter
  • Electroprobe
  • Electric welding machine
  • Multimeter

B. Overhead crane rails & power lines installation:

There are rails clamping plates and pressing plates, do welding and connections like below picturesODIHenan Dongqi Machinery Co., Ltd

Overhead crane rail and power lineODIHenan Dongqi Machinery Co., Ltd

Overhead crane rail and power lineODIHenan Dongqi Machinery Co., Ltd

Red line is the power lines, it is seamless type, there is tensioner installed at the end, see below first picture; current connector installation in the second picture, for connection with power line and overhead crane.ODIHenan Dongqi Machinery Co., Ltd

Overhead crane power line tensioner and current connectorODIHenan Dongqi Machinery Co., Ltd

Overhead crane power line tensioner and current connectorODIHenan Dongqi Machinery Co., Ltd

C. spare parts should be installed on the overhead crane in the ground.

The electric control box installed on the main girder(there is wire connection drawing provided); the two small boxes on one end carriage, they are overhead crane traveling limit switches to protect overhead crane from being hit, there is no limit switches on the other end carriage.ODIHenan Dongqi Machinery Co., Ltd

Single girder overhead crane and hoist partsODIHenan Dongqi Machinery Co., Ltd

Single girder overhead crane and hoist partsODIHenan Dongqi Machinery Co., Ltd

D. Hoist installation finished on the ground, too

Single girder overhead crane hoist installationODIHenan Dongqi Machinery Co., Ltd

Single girder overhead crane hoist installationODIHenan Dongqi Machinery Co., Ltd

E. Hoist spare parts installation:

Overload limiter location in the first picture, and lifting limit switch of blue box in second picture, these are two protection devices for lifting.ODIHenan Dongqi Machinery Co., Ltd

Overhead limiter and electric hoist protection devices ODIHenan Dongqi Machinery Co., Ltd

Overhead limiter and electric hoist protection devicesODIHenan Dongqi Machinery Co., Ltd

F. Use the truck overhead crane to lifting the beam with hoist on the workshop:

If the beam is long, there should two truck overhead crane work together, usually one-third point on each side; after putting the beam on the workshop, it turns to the electrical commissioning, there are wiring connection drawing of the whole overhead crane and hoist, just do connection accordingly; if there is electrical engineer or electrician at site, it will be more effective to finish the work.ODIHenan Dongqi Machinery Co., Ltd

5 ton single girder overhead crane installation ODIHenan Dongqi Machinery Co., Ltd

5 ton single girder overhead crane installation ODIHenan Dongqi Machinery Co., Ltd

G. The last step and also the most important step: commissioning and testing

Before testing, please confirm the following:ODIHenan Dongqi Machinery Co., Ltd

Whether the power source is correct, different countries have different power source standards, once the power source is wrong, it will lead to serious result.ODIHenan Dongqi Machinery Co., Ltd
Double check the wire connections, whether they are in the right places.ODIHenan Dongqi Machinery Co., Ltd
Double check all the bolts connection and welding parts (some parts need to be welded on site) are tighten.ODIHenan Dongqi Machinery Co., Ltd
Usually the lifting gearbox and traveling reducer need to be oiled at site, the quantity of oil is indicated on the gearbox and reducer, add common machine oil accordingly before start.ODIHenan Dongqi Machinery Co., Ltd

At last, sometimes, overhead crane commissioning is not successful in one or two times, please check the wire connections continuously and try until it is smoothly traveling.ODIHenan Dongqi Machinery Co., Ltd

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