Method for assembling fixed support legs of crane of rail crane on middle beam of main frame

Method for assembling fixed support legs of crane of rail crane on middle beam of main frame

  • CN 107,285,191 B
  • Filed: 07/27/2017
  • Issued: 09/25/2020
  • Est. Priority Date: 07/27/2017
  • Status: Active Grant
First Claim
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1. The method for assembling the fixed supporting legs of the crane of the rail crane on the center sill of the main frame comprises a center sill assembly and a fixed supporting leg assembly of the crane, wherein:

  • the center sill assembly comprises two longitudinal beams which are in parallel symmetry, and is characterized in that;

    each longitudinal beam comprises an upper cover plate, longitudinal vertical plates, transverse partition plates and a lower cover plate, the longitudinal vertical plates which are symmetrical in parallel are arranged along the extending direction of the two sides of the upper cover plate, and a plurality of transverse partition plates are arranged between the longitudinal vertical plates;

    the longitudinal vertical plates of the two longitudinal beams are respectively provided with corresponding avoidance openings which are matched with the fixed landing leg assembly of the crane;

    in the assembling process, the upper cover plates, the longitudinal vertical plates and the transverse partition plates of the two longitudinal beams are installed, positioned and welded into a whole;

    then, installing the crane fixed leg assembly into the avoidance gap, and fixing the crane fixed leg assembly with the connecting parts of the upper cover plate and the longitudinal vertical plate by welding; and

    finally, adding a balance weight, and welding and fixing a lower cover plate cover of the middle beam assembly.

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