LH type 20t electric hoist double girder bridge crane Dimensions
The LH type electric hoist double beam bridge crane (hereinafter referred to as the 20t crane) is designed and manufactured according to the standard JB/T3695-1994. The LH type 20t electric hoist double beam crane is used together with the CDI, MDI and other forms of 20t electric hoist. It has become a 20 t light and small crane running on rails. Its applicable lifting capacity is 20t, the applicable span is 7.5-35m, and the working level is A3~A5, The working environment temperature is within the range of – 25 ℃~+40 ℃.
Structural drawing of 20t electric hoist double beam overhead crane
Technical parameters of 20t electric hoist double beam crane
| name | Model unit | LH type 20-ton hoist double-girder bridge crane (LH-type 20-ton electric hoist double-girder crane, LH-type 20-ton electric hoist bridge crane, 20-ton double-girder crane, 20t crane, 20-ton bridge crane) model representation method: LH20-D, LH20-S | |||||||||||||
| Lifting weight Q | t | 20(20/5) | |||||||||||||
| Control type | Ground control, control room control | ||||||||||||||
| cart | Running speed V | m/min | 20 | 30 | 45 | ||||||||||
| electric motor | model | ZDY 1 22–4 | |||||||||||||
| power | kw | 2×1.5 | |||||||||||||
| Rotating speed | RPM | 1380 | |||||||||||||
| Rise | Electric hoist | model | CD1 MD1 | ||||||||||||
| Lifting height | m | 6, 9, 12 | |||||||||||||
| Lifting speed V1 | m/min | 3.5 3.5/0.35 | |||||||||||||
| car | Running speed V2 | m/min | 20 | ||||||||||||
| Classification group | A3~A5 | ||||||||||||||
| power supply | 3 phase 50HZ 380V | ||||||||||||||
| Wheel diameter (large car/small car) | mm | φ350,φ400/φ270 | |||||||||||||
| Recommended rails | model | P30,P38,P43 | |||||||||||||
| Span S | m | 10.5 | 13.5 | 16.5 | 19.5 | 22.5 | 25.5 | 28.5 | 31.5 | ||||||
| Maximum wheel pressure Rmax | KN | 143 | 149 | 155 | 161 | 170 | 175 | 184 | 189 | ||||||
| Total weight W | KG | 7285 | 9028 | 11340 | 13493 | 15739 | 19016 | 22155 | 24954 | ||||||
| basic size | K | mm | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | |||||
| W | mm | 3400 | 3400 | 3400 | 3400 | 3400 | 4000 | 4000 | 4000 | ||||||
| L 2 | mm | 4000 | 4000 | 4000 | 4000 | 4000 | 4600 | 4600 | 4600 | ||||||
| L 1 | mm | 10802 | 13802 | 16802 | 19802 | 22802 | 25802 | 28802 | 31802 | ||||||
| W C | mm | 1300(1950) | |||||||||||||
| H | mm | 1414 | 1464 | ||||||||||||
