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20 Ton Double Girder Overhead Bridge Crane

20 Ton Double Girder Overhead Bridge Crane

Transmission principle of overhead customized hall bridge crane: The movement of the bridge type general crane is from the longitudinal direction of the cart, the lateral direction of the cart and the upper and lower hooks. Composed of three kinds of sports: 1. The drive of the hoisting system:...

Description

 
Products Description
 
 
 

Main Features of QZ Overhead Crane

Main Features of QZ Overhead Crane

1). Reasonable structure,strong bearing capacity
2). Low noise, soft starting and stopping
3). Safe and reliable operation
4). Commodious cabin and open view
5). Low cost maintenance, long working life

6). Strong box type,welding by machine hand.

7). Wheels are vacuum casting,medium frequency quenching

8). Wheels,wirerope drum,gears, couplings are processed by CNC manchine center, TOP quality control.

9). Heavy duty slipring motor,Or Sq.cage motor with VVVF, IP54 or IP44,insulation class F or H,soft starting and smooth running.

10). Siemens main electric parts are used for durable and safe operation

 

 

product description

 

Composed of three kinds of sports:

 

01

The drive of the hoisting system: the power source of the hoisting mechanism is issued by the electric motor.

Gear coupling, compensation shaft, brake wheel coupling, high-speed shaft that transmits power to the reducer end, and after the reducer reduces the high number of revolutions of the motor to the required number of revolutions,

Low-speed shaft output, through the inner ring gear on the reel, the power is transmitted to the reel set, and then through the steel

The wire rope and the pulley block are lifting hooks for lifting and lifting the heavy objects.

02

Lifting trolley operation The transmission of the system: the power is emitted by the electric motor and is coupled via the brake wheel, compensation shaft, half-tooth coupling, transfer power to the high-speed shaft end of the vertical three-stage reducer,

And after the vertical three-stage reducer reduces the high number of revolutions of the motor to the required number of revolutions,

The low-speed shaft output of the reducer is connected with the active wheel axle of the trolley through the half-tooth coupling, the compensation shaft and the half-tooth coupling, thereby driving the rotation of the active wheel of the trolley and completing the lateral direction of the trolley.

The purpose of transporting heavy objects.

03

Large-car operation The transmission of the system: the power is sent by the electric motor, through the brake wheel coupling, make up

The shaft and the half-tooth coupling transmit power to the high-speed shaft end of the reducer and are powered by the reducer

After the high number of revolutions of the motive is reduced to the required number of revolutions, it is output by the low speed shaft of the reducer, and

The full-tooth coupling is coupled with the active wheel axle of the cart, which drives the rotation of the active wheel of the cart and completes the longitudinal lifting of the weight of the bridge. The drive mechanism at both ends of the cart is the same.

 

 

 

 

5ton 10ton 16ton 20ton Grab Grapple Bucket Electric double girder overhead Bridge Crane

 
 
comparison of product parameters

Lifting Capacity

T

5t

10t

16t

20t

Span

m

10.5-31.5m

Speed

Lifting

m/min

40.1

40.7

41.8

48.6

Traveling of Trolley

44.6

45.6

43.2

Traveling of Crane

93.7/86.4

76/89

89/87.3

87.3

Operational Model

Cabin; remote control

Working Duty

A6  

Steel track recommended

43kg/m or QU70

Power Supply

Three-phase A.C. 380V, 50Hz

 
related product
 

 

 

QD overhead crane
 

QD double girder overhead crane
Modle : QD

Capacity:5~150Ton

Span : Max 35M

Speed : single speed,double speed

working class : A5~A8

control : Cab Control

Power supply :380V-50Hz,3 phase

1

qZ overhead crane

 

2

QZ double girder overhead crane
Modle : QZ/QC

Capacity:5~75Ton

Span : Max 32M

Speed : single speed,double speed

working class : A5

control : Cab Control

Power supply : 380V-50Hz,3 phase

 

FAQ

 

 

DOWELL LOGO

01.What's the information should I provide when inquiry?

More details or drawings, better. A: Lift capacity B: span C: lift height D: power sourceor other specials you give us will be more appreciated.

02.How many operating methods for my selection?

Standard operating methods: A: pendent controller with push buttons .B: remote control with push buttons C: cabin(space capsule seat) control with joystick. Choose any type as you like.

03.Can this type work in hazardous environment?

A:Sure! We can customize for you, acid proof or explosion proof, no problem for that.

04.Can you provide the serious lifting tools?

A:Sure, we can provide any lift tools such as lift sling belt, lift clamp, grab, magnet or other specials as your requirement!

05.How can we install the crane?

A:Our senior engineer can be your side to do the installation guide service and training. Moreover, our best sales can visit your country.

06.Safety device

A:Overload limiter, Limit Switch (lifting and traveling), Interlock protection device.

 

 

 

 

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