What is Low Headroom Single Girder Overhead Traveling Crane

DATE: Apr 22nd, 2023

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1. Crane General Introduction

Kingda crane Low headroom single girder overhead traveling crane (in other words: single girder EOT crane) is modular designed theories lifting equipment.
By modern computer technology, technical department introduces optimized and reliable design methods, applying for new-advanced crane component, new material and new technology, to get a light weight, universal, energy-saving, maintenance-free and environment-friendly single girder EOT crane.

Design, manufacturing and inspection all process applies the latest China and international standard, for example: FEM, DIN ,IEC. Compared with traditional single girder overhead traveling crane, low headroom single girder EOT crane ‘s deadweight is reduced up to 15-30%, the max wheel pressure is reduced 10-35% more or less, so the factory owner can reduce its investment on workshop structure, thanks to crane’s light self-weight and small wheel pressure on the steel structure.

In Kingda crane's workshop, low headroom Single girder overhead traveling crane(low headroom single girder EOT crane)’s core driving component: gearbox completely adopts harden tooth with high accuracy gear pair, and fitted with steel drum, forged wheel and frequency inverter speed control system, this crane to be the best replacement for traditional single girder EOT crane，mainly used in General mechanical engineering, assembling, petrochemicals, warehouse logistics, power station, paper making and light working workshop, you also can call it "workshop single girder overhead traveling crane"

2. Low Headroom Single Girder Overhead Travelling Crane Features:

1. Lifting mechanism: headroom electric hoist wire rope hoist
2. For all driving mechanism: lifting, cross travel and long travel, adopt European 3 in 1 technology, harden tooth surface gear box, impact structure, small noise, no oil leak and long service life.
3. Introduce high strength material, all crane’s geometry dimension is reduced, light deadweight. In the same workshop height, Headroom Single girder overhead traveling crane (single girder EOT crane) can fulfil higher lifting height than traditional single girder EOT crane.
4. Modular design, short design period, high generalization, improve utilization of the component
5. Compact structure, headroom, big hook approach, high efficiency
6. All speed controlled by inverter, smooth run, no impact, fast speed in light lifting, low speed in heavy lifting. energy saving. Sometimes, we call it frequency inverter speed controlled single girder EOT crane
7. Low cost on operation and maintenance
8. High performance
9. Easy to operate

1） Remote operation
2） Cable Pendant
3) Cabin

10. Safety and reliable

1) Linkage
2) Overload protection
3) Zero protection
4) Travel limit switch
5) Steel reel with small deflection, small wear
6) Motor protection class: IP55 ;
7) Insulation class: F
8) Motor fitted with air-cooling system, thermal protection function
9) Fast and easy positioning
10) PLC+man-machine interface(option)
11) Safety monitoring system(option)

3. Low Headroom Single Girder Overhead Traveling Crane Manufacturing , Assembling and Inspection Demonstration

Drum assembling	Hoist steel structure assembling	Motor	Wire rope
Material: Q355, round steel	Material: Q235	ABM/ SEW/China top brand	galvanizing, high strength, steel/fiber core

Hook block	Lifting limit switch	control box	Main girder assembling
forged, hook: DG34CrMo, pulley: Nylon; safety latch	cam rotating type	Main electrical component: ABB/Schneider	robot welding for main girder inner welding seam

Electric hoist loading test

inspection
Ultrasonic Detection	Ultrasonic Detection	Magnetic Particle Detection	Painting Test

Main girder painting	End girder assembling	packing and shipping
zinc rich epoxy primer, Polyurethane Topcoat	SEW 3 IN I long travel motor	packing and shipping

4. Low Headroom Single Girder Overhead Travelling Crane Technical Parameter:

lifting capacity (t)	span (m)	lifting height (m)	working class	lifting speed (m/min)	weight(kg)		recommend rail	power (kw)	Max. wheel (Kn)
lifting capacity (t)	span (m)	lifting height (m)	working class	lifting speed (m/min)	hoist	whole crane	recommend rail	power (kw)	Max. wheel (Kn)
1	9.5	3/6/9/12	A5(2m)	0.8/5	376	958	P24	4.58	8.76
	11					1599			9.51
	12.5					1723			10.45
	16					2220			11.58
	19.5					2835			13.06
	22.5					3532			14.62
	24					3774			16.1
2	9.5	3/6/9/12	A5(2m)	0.8/5	376	1625	P24	4.58	13.5
	11					1784			14.46
	12.5					1970			15.54
	16					2371			17.47
	19.5					3175			18.93
	22.5					3726			20.39
	24					4016			22.38
3	9.5	3/6/9/12	A5(2m)	0.8/5	376	1802	P24	4.58	18.96
	11					2168			20.11
	12.5					2350			21.85
	16					2872			23.51
	19.5					3854		4.49	25.45
	22.5					4549			27.06
	24					4855			30.6
5	9.5	3/6/9/12	A5(2m)	0.8/5	531	2318	P24	7.84	28.2
	11					2566			29.76
	12.5					2816			31.8
	16					3673			33.84
	19.5					4364		8.24	35.62
	22.5					5392			39.78
	24					5754			42.62
10	9.5	3/6/9/12	A5(2m)	0.8/5	928	3260	P38	12.66	51.85
	11					3596			44.44
	12.5					3896			57.7
	16					4889			60.83
	19.5					5913			64
	22.5					7527			67.26
	24					7975			71.36
16	9.5	3/6/9/12	A5(2m)	0.66/4	1420	4284	P43	19.48	83.1
	11					4846			86.1
	12.5					5336			88.5
	16					6305			93
	19.5					8111		20.28	98.4
	22.5					9416			102.3
	24					10065			104.2
20	9.5	3/6/9/12	A5(2m)	0.66/4	1420	4944	P43	19.48	101.1
	11					5441			105.3
	12.5					5906			107.1
	16					6756			111.6
	19.5					8307		20.28	117.1
	22.5					8500		20.28	118

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