Foundry goods, planet carrier, hollow axle and planetary reduction gear

Foundry goods, planet carrier, hollow axle and planetary reduction gear

  • CN 102,245,938 B
  • Filed: 12/09/2009
  • Issued: 06/01/2016
  • Est. Priority Date: 12/15/2008
  • Status: Active Grant
First Claim
Patent Images

1. for a foundry goods for integral type planet carrier,It is characterized by:

  • Described foundry goods includes matrix, stretches out at least one bearing pin blank from described matrix,Wherein said bearing pin blank has such a shape, that can produce the bearing pin for planetary gear in different positions on the matrix from described shape,Described matrix makes disc-shaped,Described bearing pin blank approximately perpendicularly or vertically from described matrix stretches out,The rotation axis that described bearing pin blank and bearing pin are parallel to described planet carrier is directed,Described bearing pin blank is relative to having avette or subtriangular bottom surface on the boss of matrix, described bottom surface along relative to the rotation axis of planet carrier and the size of radial direction at place, center of bearing pin blank than along big relative to the size of the circumferential direction of the rotation axis of planet carrier, it is thus possible to the identical foundry goods from same mold to be used for the planetary reduction gear with different drive ratios.

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