Grua Semi Gantry

 

Semi Gantry Crane can be divided into Three types, single girder semi gantry crane, double girder truss type semi gantry crane, and double girder box-type semi gantry crane. This kind of crane is composed of gantry frame, main girder, legs (two Sets), slide sill, lifting mechanism, travelling mechanism, and electric box. Widely used in workshop, storage, port and hydroelectric power station and some other outdoor place. This type of crane is equipped with has CD1, type and MD1 type hoist Its Lifting capacity is 5-75 tons, span is 18-35 meters, and working temperature is -20--+40°C. Its working class is A5, A6, and A7. Semi gantry crane has two control method, wireless control and cabin Control.

 

2. Parameters:

 

Lifting weight	t	5t					10t
Span(S)	m	18	22	26	30	35	18	22	26	30	35
Lifting height	m	10	10	12	12	12	10	10	10	12	12
Lifting speed	m/min	12.5					8.5
trolley speed	m/min	37.2					43.8
cart speed	m/min	37.7			40.1		37.7		40.1
Installed capacity	KW	31.8	31.8	31.8	40.8	40.8	36.5	36.5	45.5	45.5	45.5
maximum wheel pressure	KN	217	230	243	266	289	225	228	245	290	310
Recommended track for carts		P43					P43
Main dimensions	mm	18	22	26	30	35	18	22	26	30	35
Overall height of crane	H4	13374	14474	13524	15606	15698	14580	14580	14580	16590	16590
Big wheel base	W	7000	7000	8500	8500	8500	8000	8000	8500	9500	9500
Overall width of crane	B	8554	8554	13050	13050	13050	9554	9554	10350	11350	11350
left cantilever	L1	6500	6500	6500	9000	9000	6500	6500	7500	9000	9000
right cantilever	L2	6500	6500	6500	9000	9000	6500	6500	7500	9000	9000
Hook left limit	S1	5000	5000	5000	7500	7500	5000	5000	6000	7500	7500
Hook right limit	S2	5000	5000	5000	7500	7500	5000	5000	6000	7500	7500
Trolley gauge	K	1400					2000

 

3. Features of grua semi gantry

 

1. Compact structure, good rigidity

 

2. Favorable performance,

 

3. Smooth starting and stopping,

 

4. Safe and reliable traveling, strong ability of lateral load proof

 

5. Low noise, no pollution

 

6. Flexible installation and operation, convenient maintenance,

 

7. Electricity saves

 

8. Excellent exchangeability for parts and components.

 

9. Less investment

 

4. Applicable Environment:

 

grua semi gantrys are used to transport materials in fixed spans such as factories, power stations, warehouses, stock yards, etc., install and maintain equipment, It is often used in factories, mines, enterprise workshops, warehouses, etc. for general loading and unloading and lifting and transporting indoor or outdoor fixed spans. The working environment temperature is -20-40 ℃. Not suitable for lifting flammable, explosive dangerous goods or high temperature liquid metal.

5. Wearing Parts:

6. Transportation:

7. How to operate?

8. Tips on hook maintenance standards:

 

(1) Disassemble and inspect the hooks, shafts, beams, pulleys, and bearings and clean and lubricate them. The hooks, beams, and pulley shafts are not allowed to have cracks. The threaded part should not be loose, and the bearings are in good condition. Those with knife marks or cracks should be replaced;

(2) check the wear condition of the dangerous section, if the wear of the dangerous section exceeds 10% of the original height, it should be replaced;

(3) For the test of the hook, after the overhaul, the hook should be tested and checked, suspended for 10 minutes at 1.25 times the rated load, and the elastic opening of the hook should not exceed 0.25% of the size of the junction. There should be no permanent deformation and cracks after unloading;

(4) The plate hook is repaired. After the plate hook is riveted, the gap between the plate and the plate should not be greater than 0.3mm.

 

 

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