LD Model Single Girder Overhead Bridge Cranes single girder overhead crane 5 ton

Crane Travelling Device

Travelling speed (m/min)

20

30

45

60

75

Reducer ratio

58.95

39.42

26.38

19.37

15.88

Motor

Model

ZDY21-4

ZDR12-4

Power (kw)

2x0.8

2x1.5

Rotation (r/min)

1380

Lifting device

(Electric hoist)

And hoist travelling device

Electric Hoist model

CD1/ MD1

Lifting speed (m/min)

8, 0.8/8

Lifting height (m)

6, 9, 12, 18, 24, 30

Travelling speed (m/min)

20; (30)

Motor

Taper Squirrel-cage type

Work duty

A3- A5

Power supply

380V, 50Hz, 3-Phase

Wheel Diameter

270mm

Rail Surface width

37- 70mm

Motor:

Hoist Motor is a taper type rotor motor with braking, it is made by Nanjing special motor factory, it is of the best quality motors,it has bigger torque, so it can be adapted to moving frequently, the Maximum torque is 2.4-3 times than the rated torque.

Gear Box:

Hoist Gear Box has specially treated gears for high wear resistance. Each Geared Shaft assembly is

supported on ball or roller bearings, to ensure smooth, low-friction operation.

Wire Rope:

Hoisting ropes comply with the exporting standards. The leading rope taken by the Drum does not slip

sideways when slack. The factor of safety, on the nominal breaking strength of the rope is six.

Rope Drum:

Grooved Drum, seamless pipe of adequate length to be wounded in one layer and to provide proper

support for the rope to minimize abrasive wear is provided. Drum Shaft resolves on Ball Bearings for

ensuring smooth running.

Electric apparatus

controlling system:

Model CD1 and MD1 is composed of the contactor box, controlling switch, cut-off limiter, the working voltage of controlling switch is 380V,36V or 24V(safety voltage).

Rope Guide:

Rope Guide is in two halves, ensuring easy accessibility. It encircles the Drum completely so that

the rope may not uncoil even when the Hoist is in unloaded condition. The rope guides of our com-

pany is thickened and dilated, so that it is not easy to be damaged.

Hook:

The Hook Block is tested to 150 % of full load before assembly. The rope sheaves are fully guarded

with protective steel casting. All sheaves rotate on ball bearing the pulley is thicken and dilated than

domestic common pulley.

Services Item

Services Description

Installation and Commissioning Services

1. The seller will provide all English manual documents before shipment.

2. If the buyer requires, technician will be sent to the buyer’s site by the seller for installation and commissioning.

3. The warranty period of the machinery is one year. The seller is responsible for the maintenance if quality problem occurs.

Crane Maintenance: Improve your crane’s safety level and performance

To run a successful business requires high level of equipment reliability, productivity, and efficiency, which is exactly what Guanhui crane maintenance services deliver for customers.

1.Crane & Hoist Repairs:

Guanhui provides Crane & Hoist Repairs on All Makes and Models of Cranes and Hoists.

2.Crane Inspection:

We will analyze your cranes then make recommendations on how to make improvement for the machines. With regular standard inspections, we assure you fulfillment of statutory requirements and reduction of the risk of breakdowns.

3.Preventative Maintenance:

We ensure that your equipments are in peak operating condition by making a preventative maintenance.

4.Crane Modernization:

We upgrade your old Crane and Hoist to meet current production requirements by certain means. (different case different means)

5.Crane spare part: Responsive, reliable, and easy to deal with

Whenever you need spare parts for your equipments or customized manufacturing, your inquiries will be responded within 24 hours. (expedited delivery option is available)