Lh Type Cabin Control Electric Double Girder Hoist Overhead Crane 15 Ton 20 Ton

Product Description

Lh Type Cabin Control Electric Double Girder Hoist Overhead Crane 15 ton 20 ton LH double-girder crane with electric hoist consists of box-shaped bridge,trolley travelling mechanism,crab and electric equipment. It employs fixed electric hoist which is fitted on crab frame as hoisting mechanism. The crab uses LD drive to run,while the trolley adopts LD drive or QD drive. The structure,simple and convenient,features low entire height and light dead weight,so that it is applicable to operational sites of medium and small lifting load such as factories and mines, workshops and warehouse.
It has three operation modes: ground handle,wireless remote control and cab. The cab has two types:open cab and closed cab. Product Features
1. PLC+man-machine interface(optional)
2. Variable-frequency technology
3. Small space use
4. Safety and reliable
5. Energy-conservation
6. Low cost of running and maintaining
Contact Us>> Mechanical Parts
1. Double welding box girder, beam deflection with DIN/FEM standard
2. Steel Material: Chinese standard Q235B and Q345B
3. Trolley rail is made of high strength hot rolled flat steel (16 Mn)
4. Epoxy zinc-rich painting for one bottoms and two sides of 120μm thick, to achieve a long lifespan, beautiful appearance and good luster
5. The girder and end beam are connected together by high strength bolts to ensure the structure strength and precision of the whole machine
6. The end beams are equipped with flat wheel or double rim wheels, anti-friction bearings, buffer blocks and derailment preventing end plate
7. Maintenance walkway is located on one side of the main girder, consisting of flower pattern plate, 1050meters handrail.
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Safety System
1. Overload protection in the event of overload, the hoist unit switches off and only the lowering motion is possible
2. Long and cross travel limited by means of preliminary and final limit switches or Wireless anti-collision device
3. Anti-falling protection for the Three-in-One electric motor of trolley and crane prevents from accidental falling
4. All movements can be switched off by actuating the emergency-off switch at the control station via a main contact
5. High quality long time bearing polyurethane materials buffer fixed at the end of trolley travelling and crane travelling to prevent over traveling
6. Safety hook latch used for avoiding the lifted material out off from the hook
7. Audible and visual alarm device to inform the person stay near by the travelling crane
8. Rain Cover for lifting mechanism of outdoor cranes, electric cabinet and driving mechanism
9. Protective earth conductor is fitted as standard
10. Voltage lower protection system
11. Current overload protection system
Design Standard
1. Overhead crane and gantry crane manufacturing and tolerances of rail installation GB/T10183-2005
2. Crane test specification and procedures GB/T5905-1986
3. Crane electric control equipment JB/T4315-1997
4. Important application wire rope GB8918-2006
5. Carbon structure steel GB/T700-2006
6. Low alloy high strength structure steel GB/T1591-2008
7. Welding joint radiographic inspection standard JB928-1994
8. Steel welding joint manual ultrasonic flaw detection way GB11345-1989
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Product Parameters

Lifting weight(t)			3	5	10	16	20	20/5	32/5
Span(m)			10.5~31.5
Max Lifting height(m)	Main Hook		6~30
	Auxiliary Hook		6~30
Working class			A3 A4
Speed(m/min)	Main Hoisting		8,8/0.8	8,8/0.8	7,7/0.7	3.5,3.5/0.35	3.5,3.5/0.35	3.5,3.5/0.35	2.4,2.4/0.24
	Auxiliary Lifting		\	\	\	\	\	8,8/0.8	8,8/0.8
	Trolley Cross Traveling		20,2~20
	Crane Long Traveling		30,3~30
Motor Type			Squirrel cage motor
Motor (Kw)	Main Hoisting		4.5	7.5	13	13	18.5	18.5	18.5
	Auxiliary Lifting		\	\	\	\	\	7.5	7.5
	Trolley Cross Traveling		2*0.4,2*0.8,2*1.5
	Crane Long Traveling		2*0.8,2*1.5,2*2.2
Control mode			Pendent line control,Remote control,Cabin control
Recommended Rail model			24kgs/m	30kgs/m	38kgs/m	43kg/m or P50
Power source			3Ph A.C 50Hz 380V

FAQ
Q1: What's the information should I provide when inquiry?
A1: The more details or drawings,the better.Such as Lifting capacity, Lifting height,Span,Voltage or others special requirements.
Q2: Can you provide custom service?
A2: Yes, of course. We are manufacturer and we have our own engineer group.They can out customized design according to your requirement. You just need to tell us your requirements.
Q3: Are there professional technicians to assist in the installation?
A3: Yes. We have a professional installation team and have been to many countries to assist in installation. lf you need us to provide this service,please let us know in advance and we will provide you with the best solution.
Q4: How do you guarantee the quality?
A4: We will constantly check the quality during the manufacturing process, and strictly test the equipment before shipment, and we will also send you a quality certificate.
Q5: What international certifications have your crane passed?
A5: Our crane has passed CE,ISO,GOST.SGS,TUV.BV.and so on.
I would like to inquire about other questions>>

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