Gantry crane is a variant of Bridge crane. In the port, mainly for outdoor yard, yard goods, bulk cargo loading and unloading operations. Its metal structure shaped like a door frame, bearing girder installed under two feet directly in the ground walking on the tracks, you can have both ends of the main beam overhanging cantilever.
2013年7月26日星期五
Bridge crane safety trolley line improvements
bridge crane safety trolley line is a new mobile power supply unit, with its insulation, security, temperature, vibration, energy saving and other advantages to gradually replace the old bare angle iron and copper trolley line.
overhead bridge crane in use and easy off, sometimes in the transmission conduit sparks some serious blasting trolley line ", resulting collector replaced too frequently, affecting production. Therefore conducted the following improvements:
(A) increasing the collector brushes chamfered and polished smooth;
(2) increasing the collector between two opposite brush spring strength, flexibility, ensure spring return freely;
(3) to deepen. Reinforcement collector in a spring seat, the return spring to ensure the brush is not easy in the work "bit string";
(4) two safety trolley line connections connecting block should be chamfered to ensure a smooth transition collector. Meanwhile, to ensure the safety of the normal use of the trolley line, driving workers standardize operations, maintenance workers of periodic maintenance, periodic inspection is also essential.
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