Specifications

overhead cranes
Double lifting speed
CE,GOST,ISO SGS Standard
Siemens electricals
Monorail rail hoist

      LD type 3t overhead bridge crane is characterized by more reasonable structure and higher strength steel. It is used together with CD1 or MD1 electric hoist as a complete set, it is light duty crane with a capacity of 1 to 20 tons. The span is 7.5-28.5m.   working grade is A3, A4, working temperature is -25 to 40. It is widely used in plants, warehoused, material stock to lift goods.

Feature Description    

Electric motor driven, enegry saving!

Wireless Radio remote control distance 100meters

Single and Double lifting speed could be optional

2 or 4 wheel in each side, design according your wheel pressure requirement!

Travelling on rail track mounted with steel structure

 

Chint,Siemens or Schneider world famous brand electricals

Soft start crane travelling motor

Overload protection function

European CE standard

Chinese best price

 

Mechanical feature

 

Single welding box girder, DIN/FEM standard deflection,

Whole length CNC cutting for complete web plate, high deflection accuracy,

High quality autometic welding and NDT inspection,

Shot-blasting for complete girder after welding, stress release

 

 

  Electrification and outfitting

 Conductor power supply;

 All hoist and crane movements are independent and can be run simultaneously.

The control panels are finished to withstand corrosion

The components are positioned in a maintenance friendly way, and the whole layout provides good protection against accidental contact

 

Lifting units

 

First class lifting units, maintenance free

 

 

 

Motor

 

motor brand for hoist and traveling are Nanjing special brand, The top brand in China

 

 

Overload protection device:

composed of Sensor and Displayer, Sensor installed on the fixed top of wire rope, the displayer installed near the control panel!

 

 

Safety feature:

Weight overload protection device,

Top quality long time bearing polyurethane materials buffer,

Crane traveling limit switch,

Voltage lower protection function,

Emergency stop system,

current overload protection system and so on!

Hooks with latch

 

 

Control method:

 

Pendent line with press button or Remote control or both! 

 

 

Painting:

Primer and finishing paint

Color: according to your demand.

Average thickness: about 100 microns

 

parameters:

 

 

Crane travelling system	Travelling speed (m/min)		20	30	45 (room)	60 (room)
	Speed ratio		58.95	39.42	26.51	19.44
	motor	Type	Con squirrel-cage		Con winding thread
		Power (kw)	0.8*2; 1.5*2; 2.2*2		1.5*2; 2.1*2
		Rev. speed (r/min)	1380		1350
Lifting system	Electric hoist type		MD1		CD1
	Lifting speed (m/min)		8/0.8; 7/0.7; 3.5/0.35		8; 7; 3.5
	Lifting height (m)		6; 9; 12; 18; 24; 30
	Hoist travelling speed (m/min)		20; 30
	motor		Con squirrel-cage
Working grade			A3 A4
Power supply			Three-phase 380v 50HZ
Wheel diameter (mm)			270-400
Trail width (mm)			37-70

 

 structure drawing with cab

 

 

 

 

Capacity (t)	Span (m)	Total crane weight (t)	Max. wheel load (kn)	Min. wheel load (kn)	H1 (m)	H2 (m)	H3 (m)	W (m)	B (m)	C1 (m)	C2 (m)
3	8	1.98	19.1	4.3	530	1255	650	2000	2500	818.5	1291
	9	2.09	19.6	4.5
	10	2.2	20.0	4.8
	11	2.31	20.4	5.0
	12	2.47	20.9	5.4	580		700
	13	2.59	21.3	5.7
	14	2.70	21.7	6.0
	15	3.08	22.7	6.9	660	1275	800	2500	3000
	16	3.21	23.1	7.2
	17	3.34	23.4	7.6
	18	3.91	24.9	9.0	745	1290	900
	19	4.06	25.3	9.4
	20	4.92	27.5	11.5	820	1315	10000	3000	3500
	21	5.09	28.0	11.9
	22	5.27	28.4	12.4
	23	5.71	29.6	13.5	875	1360	1100	3500	4000
	24	5.89	30.0	13.9
	25	6.08	30.5	14.4
	26	7.97	35.3	19.1	925	1660	1200	4000	4500
	27	8.22	35.9	19.7
	28	8.46	36.6	20.3