L46A1 Mast Section safety matters do you need to pay attention to when installing a tower crane
The installation of the tower crane should be installed or supervised by professionals to effectively ensure the stability of the tower crane. So, what safety matters do you need to pay attention to?
1, installation industry personnel are all in place, must wear a safety cap, high altitude homework staff must also wear a safety belt.
2, to maintain effective security alert areas, and someone to take care of, non-operators are not allowed to enter the installation site.
The installation operation must be carried out during the day, the meteorological conditions must meet the installation requirements, and the installation operation must not be carried out in case of severe weather such as strong winds, thunderstorms, etc..
4, after walking the bottom frame, after the basic section is installed, should check whether the clamp clamp is clamped firmly, the degree of pull rod, oblique support is fully installed, the position is accurate, the position deviation between the base section and the bottom frame is within the allowed category, and the core pressure is installed correctly. Bolt, pin shaft complete, pretension fit the requirements.
5, the standard section, the top lifting frame, the rotary platform installation should check whether the standard section model is correct, the top lifting frame and the standard section alignment meet the requirements, the introduction of the right direction of the car, whether the connection bolt is solid and reliable, bolt pre-tightening force meets the requirements.
6, after the installation of the cab, tower cap device should review whether the connection bolts are firm and reliable, whether the pre-tightening force is in accordance with the request, the backpoint of the undercarriage track contact, the relative value of the transverse deviation is not greater than 1/1000 of the gauge design size, The absolute longitudinal deviation is not greater than 1/1000 of the gauge design size, and the vertical deviation of the(diagonal) tower body is not greater than 3/1000.
7, after the suspension wall, balance wall installation, should check whether the connection parts are reliable, connection shaft should not be tamper, fastening meets technical requirements. Perimeter, complete installation, pull rod or cable installation correct, average force, fastening meet technical requirements, balance iron installation correct and reliable.
After the above installation is completed, the lifting, amplitude, turning, and walking mechanisms shall be tested. The operation of each working organization shall be balanced and loud, sensitive, reliable braking, and experimental in response to various safety maintenance and installation. Its actions should be sensitive and reliable.
9, so after the installation of the device, the upgrade test and the test of the operation of the tower crane.
Only when the test results are normal can we confirm that the tower crane has been installed.
