Motion control apparatus with backlash reduction

Motion control apparatus with backlash reduction

  • CN 1,954,154 B
  • Filed: 11/12/2004
  • Issued: 05/29/2013
  • Est. Priority Date: 11/14/2003
  • Status: Active Grant
First Claim
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1. motion control device that together uses with bar, bar is for having the axial axle of definition, and bar can be in the axle direction conversion, and motion control device comprises altogether:

  • tool forms one and holds the shell that bar axially passes the inboard shell surface in hole wherein;

    Be installed in the piston in the inboard shell surface of shell, can be mobile between the disengaging configuration of the binding site of motion control device and motion control device;

    Be installed in slidably the lip-deep end cap of inboard shell of shell to allow end cap in axial motion;

    Be installed between shell and the end cap and with shell and the contacted friction collar of end cap, when piston is moved toward the motion control device binding site, produce a combination force by friction collar and bar, and piston is when the disengaging configuration of motion control device, bar moves at axle direction;

    And when the binding site of piston at motion control device and when piston is disengaging configuration at motion control device, backlash reducer reduces axial relative movement between friction collar and shell and friction collar and the end cap, with minimizing when the axial back clearance of piston during at the motion control device binding site;

    Backlash reducer comprises one and is installed on the inboard shell surface and can be in abutting connection with the bearing of end cap at the axle direction adjustable position, with by reduce between friction collar and the shell and between friction collar and the end cap axial relative movement reduce back clearance;

    Bearing comprises;

    one is installed in the interior retaining ring on the shell inner surface, end cap has the first end and that contacts with friction collar and reduces the second end that the position is supported by interior retaining ring at back clearance, so that axial relative movement reduces back clearance between friction collar and the end cap by reaching between reduction friction collar and the shell.

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