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crane machine > crane machine

08 22, 2019

Training and education for crane machine operation

Training and education for crane machine operation

The crane machine operation is a collective operation coordinated by the commander, the crane driver and the rigger. The safety quality of the personnel is the key to safe operation. Lifting operations require crane machine operators not only to have basic cultural and physical conditions, but also to understand relevant regulations and standards, to learn the theory and knowledge of lifting safety technology, and to master practical and safe rescue skills.Crane drivers must undergo special assessment and obtain a certificate to operate independently. Commanders and riggers should also undergo ...

08 20, 2019

Maintenance after the crane machine parking

Maintenance after the crane machine parking

1. The hook should be lifted more than two meters from the ground, the cart is parked at the designated position, the controller handle should be placed in the “zero” position; the knife gate is pulled down, the power is cut off, and safety is ensured.2. Carry out daily maintenance: a. The key of the power switch box is managed by the designated personnel. The electric hoist must be regularly maintained, inspected and lubricated by a special person to avoid accidents. b. Check the electrical equipment and control system and the hook for cracks or cold deformation afte ...

08 10, 2019

Analysis of the no-load test of crane machine

Analysis of the no-load test of crane machine

The crane machine needs to do the load test to test the sensitivity and safety of each mechanism. The general test includes no-load test, rated load test, static load test and dynamic load test. According to the test requirements, it is necessary to separately prepare the no-load, rated load, 1.25 times load and 1.1 times load. Compared with other mechanical and electrical equipment, the crane machine required tonnage of the load is relatively large. The test should be carried out in strict accordance with the manufacturer's instructions and standards. Today, the no-load test is speci ...

07 09, 2019

Crane machine main beam deformation

Crane machine main beam deformation

The crane machine main beam deformation will bring large Influence on safety technical performance:1. Impact on the operation of the cart: causing damage to the running of the cart, and damage the transmission system, the cart will vibrate because of the damage of the transmission system.2. Impact on the operation of the trolley: The deformation of the main beam will cause the trolley rail to lose the installation accuracy, resulting in the trolley running unstable, increase run resistance, trolley slipping, derailment, motor burning and so on.3. Influence on the metal structure: The deformati ...

05 28, 2019

Electric eot crane slip wire

Electric eot crane slip wire

The electric eot crane slip wire consists of two parts, the slide rail (fixed part, connected to the power supply, connected by a single length of 4m/root or 6m/root), collector (sliding part, it can slide on or in the slide rail and take contact with the copper strip to take power, and the current collector is used to connect with the moving motor).At present, the electric eot crane sliding line commonly used is a single-pole combined sliding line, rigid body sliding contact line, multi-stage tubular safety sliding contact line, jointless sliding contact line, cable sliding contact line, I-be ...

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