Double Girder Crane

Double Girder Crane

• Features
• Part Identification
• Dimension
• Project Result

Features

• It is widely used for long span and large capacity types.
• It is suitable for work with less shaking of cargo, and work with high frequency.
• Because there is an inspection report available, the maintenance and the inspection are easy.
• It is used when the space between the top of the running rail and the ceiling of the building is large.
• The hoisting distance is higher than the single type as the hoist is located on the upper part of the girder.

Part Identification

No	Part Name	Remark
1	Electric Hoist
2	6-Push Button Switch
3	Girder
4	End Carriage
5	Long Travel Geared Motor
6	Long Travel Wheel
7	Bumper
8	Five Cross Travel Power Supply	Trolley Bar
9	Three Cross Travel Power Supply	Trolley Bar
10	Long Travel Rail

Dimension

Capacity (ton)	Max Span	Lift L	Speed(m/min.) / Motor(kw)			Approx.Dimensions (mm)							Traveling Wheel	Runway Rail
			Hoisting	Traversing	Travelling	H	A	B	C	E	F	R
3	11	12	4.5/2.8 or 9/5.5	16/0.5 or 24/0.75	16/0.5 × 2 or 24/0.75 × 2	420	2440	2000	250	1200	60	950	160	15
	15						3000	2500					200
	18				20/1 × 2 or 30/1.5 × 2		3550	3000					250	22
	21						4050	3500
	24						4550	4000
	27						5050	4500
5	15		4.2/4.2 or 5.6/5.5			510	3050	2500				1150
	18						3550	3000
	21						4050	3500
	24						4600	4000		1700			315
	27						5100	4500
	30						5850	5000	350		100		400	30 or 37
10	18		3/6 or 4.5/9	10/0.5 or 15/0.75	20/1 × 2 or 30/1.5 × 2	750	3600	3000	250	1550	60		315
	21						4350	3500	350		100		400
	24				20/1.5 × 2 or 30/2.2 × 2		4850	4000		1900
	27						5350	4500
	30						5850	5000
15	21		3/8.5 or 4.5/13	10/1 or 15/1.5		995	4350	3500				1200
	24						4850	4000		2300
	27						5450	4500	400				500
	30						6100	5000					630
20	15		2.8/11.5 or 4.5/17			1175	3850	3000	350	2000		1300	400
	21						4450	3500	400	2300			500
	24						4950	4000
	27						5450	4500
	30				20/1 × 2 or 30/1.5 × 2		6100	5000
30	9.5		1.8/11.5 or 2.8/17	10/1 × 2 or 15/1.5 × 2		1480	4450	3500				1800
	15						5000	4000					630
	27						5700	4500		2600			710
	30						6300	5000	450				800
50	10		3.2/33	10/1.5 × 2 or 15/2.2 × 2		1680	6300	5000		2800		2300		37 or 50
	15						5500	5900					500 × 8
	22				20/2.2 or 30/3.7 ~ 5.5 × 4		5650	6000		2900	200		630 × 8
	30						5950	6200

Project Result

Ordering Party	Specification	Quantity	Project
Sangju-Si, Gyeongsangbuk-do	30ton	1	Installation work of Bokryong rainwater pumping station
Sangju branch office of Korea Rural Development Corporation	10ton	1	Manufacture, purchase and installation of overhead running crane for drainage improvement project in Jungdeok district
Sangju branch office of Korea Rural Development Corporation	7.5ton	1	Manufacture, purchase of overhead running crane for drainage improvement project in Jungdeok district
Taesung Metal Co., Ltd	10ton	1	-
Taesung Metal Co., Ltd	5ton	1	-
S-Tech	10ton	5	Manufacturing and installation od hoist at S-Tech site
Daekyung Laser Co., Ltd.	3ton	1	-
Daekyung Laser Co., Ltd.	5ton(relocation)	1	-
Sangju branch office of Korea Rural Development Corporation	5ton	1	Purchasing an overhead crane for small hydro power generation project by getting higher the embankment height of the Otae Reservoir