A kind of can road surface, the many grades of positions mechanical gear box of flexible shifting

A kind of can road surface, the many grades of positions mechanical gear box of flexible shifting

  • CN 103,410,945 B
  • Filed: 08/13/2013
  • Issued: 06/01/2016
  • Est. Priority Date: 08/13/2013
  • Status: Active Grant
First Claim
Patent Images

1. can road surface, the many grades of positions mechanical gear box of flexible shifting, comprise valve body (21), work spool (22), working spring (23), buffering spool (24), check valve (25), valve gap (26), time delay spool (27), time delay spring (28), variable-speed pump (29), humid clutch (30), hydrauliccontrol valve (31), time delay pressure chamber (32), compensator or trimmer pressure chamber (33) and primary pressure chamber (34), described hydrauliccontrol valve (31) is by valve body (21), work spool (22), working spring (23), buffering spool (24), check valve (25), valve gap (26), time delay spool (27), time delay spring (28), variable-speed pump (29), time delay pressure chamber (32), compensator or trimmer pressure chamber (33) and primary pressure chamber (34) composition, valve body (21) is provided with primary pressure chamber (34), time delay pressure chamber (32) and compensator or trimmer pressure chamber (33), primary pressure chamber (34) and compensator or trimmer pressure chamber (33) on valve body (21) they are a cavity, work spool (22), working spring (23) and buffering spool (24) are loaded in this cavity from the bottom up successively, and this cavity is divided into two portions, and cavity bottom is primary pressure chamber (34), and cavity top is compensator or trimmer pressure chamber (33), time delay spring (28) and time delay spool (27) are loaded in time delay pressure chamber (32) from the bottom up successively, check valve (25) is installed in valve gap (26), valve gap (26) connects with valve body (21), it is characterized in that, also comprise input block (1), resilient coupling (2), ring gear (3), advance shelves parts (4), forward gear clutch (5), one grade of clutch coupling (6), reverse gear parts (7), reverse clutch (8), second gear clutch coupling (9), third gear parts (10), third gear clutch coupling (11), output block (12), casing is provided with input block (1), input block (1) is provided with resilient coupling (2), resilient coupling (2) is separable profile of tooth rubber structure, resilient coupling (2) driving link can independently be arranged on engine flywheel, by splined between resilient coupling (2) and input shaft, input block is provided with input gear on (1), and by splined between input gear and input shaft, variable-speed pump (29) is by the end of splined in input block (1), casing is provided with advance shelves parts (4), advance shelves parts (4) comprises forward gear clutch (5) and one grade of clutch coupling (6), forward gear clutch (5) and one grade of clutch coupling (6) are arranged in series, forward gear clutch (5) and one grade of clutch coupling (6) share rotatable support axle, there is degree of freedom independent separately, forward gear clutch (5) is all arranged to two different oily chambeies of volume size with the working oil chamber of one grade of clutch coupling (6), little volume work oil chamber is supported that one grade of clutch coupling (6) is slided and is transmitted moment of torsion, one grade of clutch coupling (6) rigid of transmission moment of torsion is supported in two oily chambeies that volume size is different jointly, forward gear clutch (5) comprises forward gear, first internal spline friction plate and the first male spline friction plate, forward gear engages with input gear, first internal spline friction plate connects as driving link with forward gear, first male spline friction plate is as driven member, one grade of clutch coupling (6) comprises one grade of gear, 2nd internal spline friction plate and the 2nd male spline friction plate, 2nd internal spline friction plate and one grade of gear couplings are as driven member, 2nd male spline friction plate is as driving link, casing is provided with reverse gear parts (7), reverse gear parts (7) and advance shelves parts (4) are arranged in parallel, reverse gear parts (7) comprise reverse clutch (8) and second gear clutch coupling (9), reverse clutch (8) and second gear clutch coupling (9) are arranged in series, reverse clutch (8) and second gear clutch coupling (9) share rotatable support axle, there is degree of freedom independent separately, reverse clutch (8) is all arranged to two different oily chambeies of volume size with the working oil chamber of second gear clutch coupling (9), described little volume work oil chamber is supported that second gear clutch coupling (9) slides and is transmitted moment of torsion, second gear clutch coupling (9) rigid of transmission moment of torsion is supported in two oily chambeies that described volume size is different jointly, reverse clutch (8) comprises back gear, 3rd internal spline friction plate and the 3rd male spline friction plate, back gear engages with input gear, 3rd internal spline friction plate connects as driving link with back gear, 3rd male spline friction plate is as driven member, second gear clutch coupling (9) comprises second gear, 4th internal spline friction plate and the 4th male spline friction plate, 4th internal spline friction plate connects as driven member with second gear, 4th male spline friction plate is as driving link,Casing is provided with third gear parts (10), third gear parts (10), advance shelves parts (4) and reverse gear parts (7) are arranged in parallel, third gear parts (10) comprise third gear clutch coupling (11), third gear clutch coupling (11) comprises third gear gear, third gear axle, 5th internal spline friction plate and the 5th male spline friction plate, third gear gear and third gear axle are fixedly connected, 5th male spline friction plate is as driving link, 5th internal spline friction plate and third gear gear couplings are as driven member, output gear on output block (12) and the third gear gears meshing of third gear clutch coupling (11).

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