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CN-120421607-B - Gear shaping device for motor train unit

CN120421607BCN 120421607 BCN120421607 BCN 120421607BCN-120421607-B

Abstract

The invention provides a gear shaping device of a motor train unit, which comprises a frame, a workbench, a driving mechanism, a manipulator, a control device and a resistance mechanism fixedly arranged on the workbench, wherein the manipulator and the driving mechanism are fixedly arranged on the frame, the workbench is connected with the frame through a screw nut pair, an image sensor is arranged on the driving mechanism, a grinding wheel and a visual sensor are arranged on the manipulator, a driving wheel needing shaping is arranged on the driving mechanism, a driven wheel needing shaping is arranged on the resistance mechanism, the driving wheel needing shaping and the driven wheel needing shaping can be meshed, and the screw nut pair, the driving mechanism, the resistance mechanism, the image sensor, the manipulator and the visual sensor are all electrically connected with the control device. The gear shaping device is based on the gear deformation and the tooth surface contact spot data obtained under the simulated gear service condition, and the mechanical arm is controlled by the control device to shape the gear, so that the shape shaping effect of the gear can be effectively improved, and the meshing quality of the gear is further improved.

Inventors

  • XUE HAI
  • ZHONG NAN
  • CHEN JIANGTAO
  • YU BAOZHU

Assignees

  • 兰州交通大学

Dates

Publication Date
20260508
Application Date
20250507

Claims (6)

  1. 1. The utility model provides a EMUs gear shaping device, its characterized in that includes frame (1), workstation (2), actuating mechanism (3), manipulator (5), controlling means and fixed mounting on workstation (2) resistance mechanism (4), and manipulator (5) and actuating mechanism (3) are all fixed mounting on frame (1), and workstation (2) are connected with frame (1) through screw nut pair, image sensor (331) have been arranged on actuating mechanism (3), be arranged grinding wheel and visual sensor on manipulator (5), be arranged on actuating mechanism (3) action wheel (35) that need the shaping, be arranged on resistance mechanism (4) and need the driven wheel (45) of shaping can mesh, screw nut pair, actuating mechanism (3), resistance mechanism (4), image sensor (331), manipulator (5) and visual sensor all are connected with controlling means electricity; The driving mechanism (3) comprises a driving motor (30), a driven gear shaft (31), a driving shaft A (32), a driving shaft B (33), a three-jaw chuck (34) and an image sensor (331) fixedly arranged on the driving shaft B (33), wherein a driving gear shaft (300) is arranged on an output shaft of the driving motor (30), the driven gear shaft (31) is meshed with the driving gear shaft (300), two ends of the driven gear shaft (31) respectively penetrate through two opposite side plates of the frame (1), the driving shaft A (32) is arranged above the frame (1) through a bracket A (36) fixedly arranged on the frame (1), the driving shaft B (33) is arranged above the frame (1) through a bracket B (37) fixedly arranged on the frame (1), the driving shaft A (32) and the driving shaft B (33) are both arranged above the driven gear shaft (31), one end of the driven gear shaft (31) is parallel to the driving gear shaft (31), one end of the driven gear shaft (31) is connected with one end of the driving shaft A (32) through a belt transmission mechanism A (38), the other end of the driven gear shaft B (31) is connected with one end of the driven gear shaft B (39) through a belt transmission mechanism B (39), the three-jaw chuck (34) is arranged at the other end of the driving shaft A (32), a driving wheel (35) needing to be shaped is arranged on the three-jaw chuck (34), the driving shaft A (32), the three-jaw chuck (34) and the driving wheel (35) needing to be shaped are concentrically arranged, and the driving motor (30) is electrically connected with the control device.
  2. 2. The gear shaping device of the motor train unit as claimed in claim 1, wherein the resistance mechanism (4) comprises a resistance support (41) fixedly installed on the workbench (2), a resistance motor (42), a resistance shaft (43) and a six-jaw chuck (44), the resistance motor (42) is fixedly installed at the upper end of the resistance support (41), a bearing hole for installing a bearing is formed in the top of the resistance support (41), the bearing hole is internally provided with the bearing (6), one end of the resistance shaft (43) penetrates through the bearing (6) in the bearing hole of the resistance support (41) and then is connected with the output shaft of the resistance motor (42), the other end of the resistance shaft (43) is connected with the six-jaw chuck (44), a driven wheel (45) needing shaping is fixedly installed on the six-jaw chuck (44), the output shaft of the resistance motor (43), the six-jaw chuck (44) and the driven wheel (45) needing shaping are concentrically arranged, and the resistance motor (42) is electrically connected with the control device.
  3. 3. Gear shaping device according to claim 2, characterized in that the work bench (2) is provided with square grooves (21).
  4. 4. A gear shaping device for a motor train unit according to claim 3, characterized in that the frame (1) is provided with a waste pan (11) and a square hole (12).
  5. 5. The gear shaping device for the motor train unit according to claim 4, wherein the screw nut pair comprises a screw (13), a screw motor (14) and a guide rail (15) parallel to the screw (13), the screw motor (14) and the guide rail (15) are fixedly installed on the frame (1), a screw hole (22) matched with the screw (13) is formed in the side face of the workbench (2), one end of the screw (13) is connected with the screw motor (14) through a coupler (16), the other end of the screw (13) penetrates through a bearing (6) arranged on the frame (1) after penetrating through the screw hole (22) in the side face of the workbench (2), the side face, opposite to the side face, provided with the screw hole (22) matched with the screw (13), of the workbench (2) is connected with a sliding block of the guide rail (15), and the screw motor (14) is electrically connected with the control device.
  6. 6. The motor train unit gear shaping device as set forth in claim 5, wherein the belt transmission mechanism a (38) includes a driving pulley a (380), a driven pulley a (381), and an endless belt a (382) connecting the driving pulley a (380) and the driven pulley a (381), the driving pulley a (380) is connected with the driven gear shaft (31) by interference fit, the driven pulley a (381) is connected with the driving shaft a (32) by interference fit, the belt transmission mechanism B (39) includes a driving pulley B (390), a driven pulley B (391), and an endless belt B (392) connecting the driving pulley B (390) and the driven pulley B (391), the driving pulley B (390) is connected with the driven gear shaft (31) by interference fit, and the driven pulley B (391) is connected with the driving shaft B (33) by interference fit.

Description

Gear shaping device for motor train unit Technical Field The invention relates to a gear shaping device for a motor train unit, and belongs to the technical field of gear machining. Background In the service process of the gear, the meshing quality of the gear directly influences the vibration and impact on a motor train unit system, so that the fatigue life and reliability of the motor train unit are affected, the tooth direction and the tooth profile of the motor train unit gear are modified, and the gear can have better meshing quality. In the process of shaping the gear of the motor train unit, factors such as the size of the gear, the clamping mode of the gear, the shape of the gear, the stress and the adjustable shaping quantity are considered. The traditional shape correction method determines the shape correction amount, length and curve based on experience, and lacks quantitative analysis on uncontrollable factors such as manufacturing errors, mounting deviations and the like, so that the shape correction effect is unstable. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the motor train unit gear shaping device which is based on the gear deformation and the tooth surface contact spot data obtained under the simulated gear service condition and controls the mechanical arm to shape the gear through the control device, so that the gear shaping effect can be effectively improved, and the meshing quality of the gear is further improved. In order to solve the technical problems, the invention provides a gear shaping device of a motor train unit, which comprises a frame, a workbench, a driving mechanism, a manipulator, a control device and a resistance mechanism fixedly arranged on the workbench, wherein the manipulator and the driving mechanism are fixedly arranged on the frame, the workbench is connected with the frame through a screw nut pair, an image sensor is arranged on the driving mechanism, a grinding wheel and a visual sensor are arranged on the manipulator, a driving wheel needing shaping is arranged on the driving mechanism, a driven wheel needing shaping is arranged on the resistance mechanism, the driving wheel needing shaping and the driven wheel needing shaping can be meshed, and the screw nut pair, the driving mechanism, the resistance mechanism, the image sensor, the manipulator and the visual sensor are electrically connected with the control device. In a specific implementation mode, the driving mechanism comprises a driving motor, a driven gear shaft, a driving shaft A, a driving shaft B, a three-jaw chuck and an image sensor fixedly mounted on the driving shaft B, wherein a driving gear shaft is arranged on an output shaft of the driving motor, the driven gear shaft is meshed with the driving gear shaft, two ends of the driven gear shaft respectively penetrate through two opposite side plates of the frame, the driving shaft A is arranged above the frame through a support A fixedly arranged on the frame, the driving shaft B is arranged above the frame through a support B fixedly arranged on the frame, the driving shaft A and the driving shaft B are both arranged above the driven gear shaft, the driving shaft A and the driving shaft B are parallel to the driven gear shaft, one end of the driven gear shaft is connected with one end of the driving shaft A through a belt transmission mechanism A, the other end of the driven gear shaft is connected with one end of the driving shaft B through the belt transmission mechanism B, the three-jaw chuck is arranged at the other end of the driving shaft A, a driving wheel needing to be shaped is arranged on the three-jaw chuck, and the driving shaft A, the three-jaw chuck and the driving wheel needing to be shaped are concentrically arranged, and the driving motor is electrically connected with the control device. In a specific embodiment, the resistance mechanism comprises a resistance support, a resistance motor, a resistance shaft and a six-jaw chuck which are fixedly installed on the workbench, the resistance motor is fixedly installed at the upper end of the resistance support, a bearing hole for installing a bearing is formed in the top of the resistance support, a bearing is arranged in the bearing hole, one end of the resistance shaft penetrates through the bearing in the bearing hole of the resistance support and then is connected with an output shaft of the resistance motor, the other end of the resistance shaft is connected with the six-jaw chuck, a driven wheel needing to be shaped is fixedly installed on the six-jaw chuck, and the resistance shaft, the output shaft of the resistance motor, the six-jaw chuck and the driven wheel needing to be shaped are concentrically arranged, and the resistance motor is electrically connected with the control device. In a specific embodiment, the table is provided with a square groove. In a specific embodiment, the frame is provided with a waste tray and square