Electric hoist gantry crane accessories, use and maintenance requirements of

1  overhead gantry crane  new installation or after installation by dismantling the hoist should first be empty commissioning times. But not before the installation is complete, avoid power test rpm.
(2) should be performed before normal use of the rated load of 125%, up from the ground about 100 mm, a 10-minute static load test, check whether it is normal.
3 dynamic load test is rated load weight for repeated lifting and move around the test, trial and check the mechanical transmission parts, electrical parts and connecting parts are normal and reliable.
4  hoist gantry crane  in use does not allow an absolute prohibition of the environment, and exceed the rated load and nominal hourly closing times (120 times) circumstances.
5 installation and maintenance, must be strictly checked limit device is flexible and reliable, when hook up to the upper limit position, the hook from the shell of the housing to the roll must be greater than 50mm (10t, 16t, 20t must be greater than 120mm). When the hook down to the lower limit position, should ensure safety rope on the drum circle, circle must be effective and safe in two laps or more.
6 Press the two allowed the opposite direction of the electric hoist movement flashlight door button.
7 After working  bridge gantry crane  must supply the total gate opened, cut off the power.
8 electric hoist shall hand manipulation, the manipulator should fully grasp the safety rules, non-oblique pull hanging crooked.
9 must be in use by specialized personnel hoist regularly checked and found that failure to take timely measures and carefully documented.