Rotary grader and vertical grinder

Rotary grader and vertical grinder

  • CN 104,703,717 B
  • Filed: 08/26/2013
  • Issued: 04/12/2019
  • Est. Priority Date: 08/28/2012
  • Status: Active Grant
First Claim
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1. a kind of rotary grader, which is characterized in that have:

  • The framework rotated freely has opening in peripheral part;

    In multiple rotating vanes of writing board shape, circumferentially it is fixed at predetermined intervals on the opening portion of the framework,The front surface of the direction of rotation of the rotating vane has inclined surface, rotation of the inclined surface relative to peripheral sideThe tangent line of track forms recess portion between outer end side and interior end side with inclined at acute angles,It is in the of flat surface that the inclined surface, which has positioned at outer end side in the first inclined surface of flat surface and positioned at interior end side,Two inclined surface, first inclined surface and second inclined surface have of approximately equal length width,The inclined surface is provided with the folding line along vertical direction between first inclined surface and second inclined surface,The rotational trajectory of the peripheral side of the rotating vane and the rotational trajectory of inner circumferential side is arranged in the folding lineMiddle position,Described in first inclined surface and this rotational trajectory of two sides relative to the peripheral side of second inclined surfaceTangent line with inclined at acute angles,The tilt angle relative to the tangent line of first inclined surface is set as than second inclined surface relative to instituteThe tilt angle for stating tangent line is big.

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