SR- Mobile Gantry Crane NZ
Product Description China top design mobile double girder goliath gantry crane Doubel Girder Gantry crane also called door crane or goliath crane, it is a kind of track travelling mid-heavy type crane, can be used where overhead runways are not practical, or in open areas where columns cannot be...
China top design mobile double girder goliath gantry crane
Doubel Girder Gantry crane also called door crane or goliath crane, it is a kind of track travelling mid-heavy type crane, can be used where overhead runways are not practical, or in open areas where columns cannot be accommodated. The top main girder is mounted on two A shape columns which are further resting on wheel mounted end carriages.
This crane is widely applied to do loading and unloading work in outdoor. Such as material stocks area, cement plant, granite industry, construction industry, and engineering industry and so on.
It has features of beautiful and durable appearance, perfect performance, low cost, easy maintenance, high adaptability and so on.
It is composed of beam, support legs, crane travelling mechanism, trolley, electric equipment and so on.
It could be special design and customize by clients' requirement.
Details of Double Girder Gantry Crane 20 Ton China
This type of double girder gantry crane consists of 5 main parts, namely, the bridge structure, A-frame support legs, the traveling mechanism, the trolley and the electric equipment. It has box type and trussed type, box type has characteristic of slim body and strong lifting capacity; trussed type has characteristic of small windward surface, small deadweight and strong lifting capacity.
The girder could also have a double girder design for heavy duty applications, where a suitable track is provided on top of the girders for travel of crab wheels.
The motors are used specially crane duty suitable for frequent starting , reversing & braking in accordance with ISO 9001:2000 ISO 14001:2004.Motors are totally enclosed in dust proof construction foot / flange mounted TESC / TEFC , Sq. cage motors with integrated safety brakes, insulation class F, IP54 protection for hoisting, CT & LT motions.
Independent Hydraulic Brake make the crane more safe and easier to control
Gear Box :
The entire gear boxes are made of accurate hob cut helical / spur gears & pinions having hardness 250 to 350 BHN made from carbon alloy steel. All gears & pinions running on antifriction type ball / roller bearings in totally enclosed oil bath giving constant splash lubrication. The helical / Spur gear designed for adequate strength and optimum wear resistance for smooth operation & long life.
The wheels of crane crab ,main beam and end carriage are produced in our special Vacuum casting workshop (No sand inclusion technic) ) which make our wheels more elastic and outer surface hard-wearing and durable.
Electrical Panel :
Modular design, ease to install and maintain, reliable operation, fuse less circuitry, ducted wiring and compact terminals. Motor overload protection to prevent overloading.
Safety limit switches for stoppers will be provided to prevent over traveling in all motions.
Two coats of primer before assembly & two coats of synthetic enamel after testing.
Optional Features :
Variable speed through VVF Drive
Wireless Radio Remote control
Shrouded DSL system for power feeding
Tech parameter of Double Girder Gantry Crane 20 Ton China
Overload protect device
Limit switch for lifting
Limit switch for CT < traveling
Emergency stop system
Electric current overload protect device
Lower/Over voltage protect device
Phase order protection
Top quality long time bearing polyurethane materials buffer
Warranty period means all operations strictly comply with our company Production Manual ,Ensure normal service life.
Main body: 12 months (from the date of delivery)
Spare Parts: 6months (from the date of delivery).
Within warranty period, customer should appropriately transport, reserve, installation; Based on every process strictly as per Production Manual, production broken caused by production, assembly or material quality, and confirmed by ChongPeng Grup technology service team, it is our company duty, we offer free repair maintenance service; In Principle, we adopts change spare parts to solve problems; If need change complete set (just for winch), under confirmation of sale department and quality supervision department that cannot solve by spare parts replacement, it could be executed after general manager approval.