20t QZ Model Grab Overhead/Bridge Crane

1. With more than 30 years development, Henan Zhonggong Group has 5 holding subsidiaries, covers an area of 240,000 square meters and 100,000 square meters construction area, possesses nearly 1000 sets various producing equipements, is a member unit of Bridge Crane branch of "China Heavy Machinery Industry Association". now we have 1200 staff of which more than 160 professional engineers and management colleagues, company has passed ISO9001, ISO14001 and OHSAS18001. Brand "YUZHONG" products have been granted titles such as "Top 10 brand Well-Known Cranes in China", "Well-Known Commodity in Henan Province" and "Henan Famous Trademark".

2. Group R&D Center has been recognized as the engineering technology research center of cranes for application at Xinxiang nuclear power station and serves as the only China R&D in the nuclear area. company can supply electrical hoist, single girder crane, double girder crane, gantry crane, overhead crane, grab, explosion-proofinsulation crane, hydraulic hoist, container handling crane, ship crane, metallurgic crane, quenched crane, elecromagnetic series crane and special crane for nulear power station. 

QZ type 5~20T Grab Bridge /Overhead Crane

Brief Introduction:
The QZ type grab bridge crane is a kind of heavy duty overhead crane to grab and load coal, ash, coal gangue and other bulk goods and materials.
This grab bridge crane is widely used in freight port, river wharf, power plants, concrete mixing station, industrial and mining enterprises.
The grab bridge crane consists of Main Girder, End Carriage, Lifting Trolley, grab bucket and Electrical Parts. Generally, the power supply System for trolley and crane are festoon system and Bus Bar system.

Basic parameter:
1. Cap. 5~20Tons
2. Span: 10.5~31.5m
3. Voltage: 220V/380V/400V/415V
4. Working class: A5, A6, A7

Design Features:
1) Reasonable structure, excellent performance
2) Soft starting and stopping
3) Safe and reliable traveling
4) Low noise, commodious cabin and open view
5) Convenient maintenance, easy replacement of parts and components

Technical features:
1) Strong box type, welding by machine hand.
2) Wheels are vacuum casting by our Group, top quality control
3)Wheels, wire rope drum, gears, couplings are processed by our CNC machine center, TOP quality control.
4) Heavy duty slipring motor, WUXI NGP brand, TOP quality in China.
5) Siemens main electric parts

Control mode:
1)Pendent control
2)Wireless control
3)Cabin control.
4)Choose any two of above

Overhead Crane Safety Features
1. Overload protection device
2. Top quality long time bearing polyurethane materials buffer
3. Crane traveling limit switch
4. Voltage lower protection function
5. Emergency stop system
6. Lifting height limit device

Looking forward to receive your enquiry with the below details information:
1. Lifting capacity
2. Span ( rail centre to centre )
3. The required lifting height ( from hook to the ground )
4. Crane travelling length
5. What will be lifted by the crane
6. The crane and hoist movement speed (m/min)
7. The rail length and the height.
8. Single speed or double speed for lifting and travelling?
9. Driver cabine control or pendant control?
10. How many hours work per day?
11. Power source: 380V, 50Hz, 3phase or others?

After-sale Service
1. One year warranty for whole machines from crane running
2. Providing free spare parts
3. Low charge for continue maintenance when warranty is expired
4. Exclusive engineer support at any time
5. We can provide free training to end-users