bridge crane - Henan Jinrui Machinery Co., Ltd.

crane machine > bridge crane

01 15, 2020

Installation, commissioning and maintenance of crane frequency control

Installation, commissioning and maintenance of crane frequency control

The following precautions must be strictly followed during the installation, commissioning, use, and maintenance of the variable-frequency speed-regulating bridge crane, otherwise personal injury and equipment damage will occur.After the control system is connected to the power supply, the commissioning and maintenance personnel must be particularly careful when working. After the power supply is disconnected, the inverter's charging indicator must be off before touching the components inside the cabinet to perform necessary operations.It is absolutely forbidden to connect the input power ...

10 09, 2019

Crane machines load test

Crane machines load test

1. The order of the crane machines load test should be noted, first the no-load test, then the rated load test, then the static load test (1.25 times rated load), and finally the dynamic load test (1.1 times rated load). After the previous test is passed, the next test can be carried out;2. The weight of the test load must be accurate;3. The crane machine load should be regular, the walking ground of the gantry crane should be solid and flat;4. Must pay attention to the safety of the work site, the testing personnel should be away from the test crane machine. Unrelated people around should avo ...

05 14, 2019

Lifting machinery classification

Lifting machinery classification

1. Lifting machinery can be divided into light and small lifting equipment, cranes machine and lift elevators according to the working mode.* Light and small lifting equipment mainly refers to lifting equipment with only one lifting device, such as jacks, pulleys, electric hoists, etc.* Crane machine refers to lifting equipment that can be vertically lifted and horizontally transported, such as bridge cranes (also called overhead cranes or eot cranes), truck cranes, gantry cranes, etc.* The lift elevators refers to the crane which is fixed position, fixed the lifting line, and its wire rope is ...

04 11, 2019

Metallurgy Casting Overhead Crane Feature

Metallurgy Casting Overhead Crane Feature

1. Special lifting equipment in the continuous casting technology of steel making;2. Mainly used for pouring melted iron, lifting molten steel from refining tank to refining furnace or lifting molten steel from molten steel tank to ladle turret;3. Double girder overhead casting crane are mainly used for middle and large-tonnage foundry crane;Four-girder and six-rail and two trolley is mainly used for extra large-tonnage foundry crane;4. Completer safety systems are suitable for high temperature environment, including weight overload protection, top quality bearing, polyurethane buffer, traveli ...

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