Small Tonnage L Model 20t Gantry Crane for Outdoor Use

  Small Tonnage L Model 20t Gantry Crane for Outdoor Use Product Description    Sketch of 20t gantry crane   Brief introduction of 20t gantry crane   Motors: 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.   Brakes: 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 anti-friction 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.   Wheels: 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.   Limit Switch: Safety limit switches for stoppers will be provided to prevent over traveling in all motions.   Painting: Two coats of primer before assembly & two coats of synthetic enamel after testing.   Optional Features : * Variable speed through VVF Drive * Soft starter * Slipring motors * Wireless Radio Remote control * Shrouded DSL system for power feeding * Flameproof * Cabin Operated * PLC automatic Control system  Feature & specification of 20t gantry crane * L gantry crane is mainly composed of gantry, crane cab, trolley travelling mechanism, cab and electric control system. * The gantry is of a box-shape structure. The crab adopts vertical reaction wheel when the lifting load is below 20t, and horizontal reaction wheel when above 20t to run at the girder is of single-girder bias track and the leg is L-shaped, so that the lifting space is large and the spanning ability is strong, making it easy to covey articles from the span to under the jib. * The closed cab is employed for operation, where there are adjustable seat, insulating mat on the floor, toughened glass for the window, fire extinguisher, electric fan and auxiliary equipment such as air conditioner, acoustic alarm and interphone which can be furnished as required by users.  

Capacity(t)	Span(m)	Lifting Height(m)	Work Duty	Main LiftingSpeed(m/min)	Aux Lifting Speed(m/min)	Crab TravelingSpeed(m/min)	Trolley TravelingSpeed(m/min)	Power (kw)	Rail
5	18~22	10	A5	9.2	-	36.6	46.3	27.8	43kg/m
	26~35	11					40.1	36.8
10	18~22	10		8.5	-	39.7	39.6	38
	26~35	11					40.1	47
16/3.2	18~26	10		7.9	11.2	39.5	40.1	64.6
	30~35	11					47.1	75.6
20/5	18~26	10		7.1	9.2	39.3	40.1	67.3
	30~35	11					47.1	78.3
32/5	18~22	10		6.3	9.2	38.6	48.2	85.5	QU80
	26~35	11					38.6	93.5
50/10	18~26	10		5.9	8.5	38.5	39.7	141
	30~35	12

      Packaging & Shipping   *  Delivery time: 40 days ~120 days * Packaging:   electricals are packed by high quality plywood box, beams and others are packed by plastic woven cloth. * Load port : Qingdao/Shanghai/Xingang port   Our Services  * One year warranty for whole machines from crane running * Providing free spare parts * Low charge for continue maintenance when warranty is expired * Exclusive engineer support at any time * We can provide free training to end-users   FAQ  1. What’s the information should I provide when inquiry? More details or drawings, more better. * Lift capacity * Span * Lift height * Power source Or other specials you give us will be more appreciated. 2. 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. 3. Can this type work in hazardous environment? Yes! Can be customized for you, acid-proof or explosion-proof, no problem for that. 4. How long is your warranty? Our warranty is 12 months after received the goods. 5. Can you provide the serious lifting tools? Yes, we can provide any lift tools such as lift sling belt, lift clamp, grab, magnet or other specials as your requirement! 6. Usage period About 30 years under common use. 7. How can we install the crane? Our senior engineer can be your side to do the installation guide service and training. Moreover, our best sales can visit your country. 8. Safety device Overload limiter, Limit Switch (lifting and traveling), Interlock protection device, Buffer, Overhaul cage, Rail clear plate, Protective cover, Bus bar preventer plate, Anti-collision device, Main isolating switch, Emergency stop system, Motor overload protection, and so on. Certifications If you are interested in any of our products, or wish to place a customized order, please contact us freely!