How to do about crane

Information about How to do about crane

Published on August 10, 2014

Author: ytcrane

Source: authorstream.com

Content

How to do about crane parts leakage phenomenon : How to do about crane  parts leakage phenomenon  Removing the tower crane electrical system installation technical requirements : Removing the tower crane electrical system installation technical requirements Remove the mounting aluminum gantry crane electrical system is installed with steel cross conducted . Mainly for the electrical connection of external components .   First, the agencies have not yet put on the lifting motor , brakes, cable stopper all connected, the other end of the cable wiring to wait until well after the lifting of the institution , so good the first cable bundle tied to the organization , to facilitate lifting body without damaging the cable. When cable wiring, cable end part of the use of plastic insulating tape wrapped , rubber cable outer insulation must be ' stuffed into the junction box , can not be no outer insulating rubber , only the inner layer of rubber insulated cables exposed ends of the outer connector .   After lifting the cab to be connected to ground power distribution cabinet and the cab main cable. Connection with the cabinet cab console cable .   With the installation of steel components , the cable can be connected , each connected.   Due to the different forms of tower cranes , electrical systems installation sequence is different , the general principle is to try and steel components to install cross, but also consider the cabinet is turned on as soon as possible , chain electric hoist because in the steel installation requires lifting mechanism and slewing mechanism with the operation . If conditions are not met, you can consider taking a temporary line. The lifting crane hydraulic system leak is how : The lifting crane hydraulic system leak is how When there are many components of the hydraulic system relative motion gap seal part Q Q exist , the gap due to the processing and assembly errors , deformation and uneven wear occurs in the working element results in friction and wear generated by gradually increasing the pressure oil flows through the gap , will cause leakage.   The main hydraulic system gap can be attributed to the following: ① wedge gap between the two main parallel with the surface low , double girder bridge cranes uneven wear or improper assembly . ② the annular gap between the plunger and the main piston bore , and between the valve body and the valve spool of the hydraulic cylinder between the piston and the cylinder with the other . ③ annular plane gap , such as axial piston pump oil in boots Department. ④ parallel plane gap , such as gear pumps and pump body gap between the holes , side and side gear such as asking the gap .

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