Double Girder Railroad Semi Gantry Crane

Double Girder railroad Semi Gantry Crane is a variant of the double girder gantry crane. The legs of the semi gantry crane have a height difference, which can be determined according to the civil engineering requirements of the site. According to the needs of the production environment, when the choice of ordinary double girder gantry crane or double-girder bridge crane is not ideal, the double girder semi gantry crane is also a better solution. One end of the beam travels on the crane beam, while the other end beam travels on the ground. Compared with the double girder bridge crane, it saves investment and space. Compared with the double girder gantry crane, it saves the production space and indirectly saves the space cost in the long run. Therefore, it is often used in modern production. The working level can reach A3-A6.

2. Parameters:

3. Component:

Double Girder railroad Semi Gantry Cranes are generally composed of three major parts: mechanical, electrical and metal structures.

Mechanical part: It is divided into three mechanisms, namely the hoisting mechanism, the trolley operating mechanism and the cart operating mechanism.

The hoisting mechanism (winch trolley) is used to lift objects vertically, and the trolley operating mechanism is used to move laterally with a load; the cart running mechanism is used to move the hoisting trolley and the goods longitudinally, so as to achieve the three-dimensional space for handling and loading and unloading goods.

4. Applicable Environment:

Double main girder semi-gantry cranes 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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