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    • crane machine > NEWS
    08 13, 2019
    Check before electric single girder cranes using
    Check before electric single girder cranes using

    The electric single girder crane is a kind of light and small lifting equipment, it runs on the I-beam track, and has electric and manual control types, relatively simple and has many applications. It is mainly composed of electric hoist, metal structure, cart running mechanism, lifting device and electric device. Check before electric single girder cranes usingBefore driving, carefully check whether the mechanical equipment, electrical parts and protective devices are intact and reliable. If the main accessories such as controllers, brakes, limiters and emergency switches fail, it is str ...

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    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 ...

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    08 08, 2019
    Ways to reduce the faults of electric chain hoists
    Ways to reduce the faults of electric chain hoists

    1. Before using the electric chain hoist, do not operate if find abnormal conditions before use.2. Before using the electric chain hoist, adjust the stop block of the upper and lower limits before lifting the object.3. Before installation, please check the insulation resistance of the motor and control box with 500V megohmmeter, the cold resistance should be greater than 5MΩ at normal temperature.4. Before using the electric chain hoist, please read the instructions on the instruction manual and the nameplate before operating.5. Never lift objects that exceed the rated load. 6. Before usi ...

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    08 06, 2019
    Wire rope electric hoist inspection
    Wire rope electric hoist inspection

    Through the analysis of the common problems and treatment of the wire rope electric hoist, the maintenance personnel can know where to start the inspection and improve the inspection efficiency when handling the fault. In addition, also can provide the operator with a method for handling the problem on site.Electric hoist is frozen.In winter construction, especially after snow, the fault-free motor still cannot be started, the reason is that the brake ring is frozen. If it is forced to start, it will be easy to burn the motor.The solution is to open the motor cover and use a crowbar to shake t ...

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    08 03, 2019
    Operating method of scissor lifting platform
    Operating method of scissor lifting platform

    The scissor lift platform (also can be called hydraulic lift platform) adopts steel frame structure or high-strength steel plate structure, and the carrying capacity ranges from 0.1 to 100 tons, the lifting height is from 3m~20m. The product capacity and platform size can be customized according to different needs of users.Users should strictly follow the instructions below:1. Turn on the power, the power indicator on the control box is on, press the up button to raise the scissor lift platform;2. Press the down button to lower the table;3. In case of an emergency and need to stop the operatio ...

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