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CN-121994415-A - New energy automobile increases journey ware camshaft oil duct gas tightness detection device

CN121994415ACN 121994415 ACN121994415 ACN 121994415ACN-121994415-A

Abstract

The invention relates to a new energy automobile range extender camshaft oil duct air tightness detection device which comprises a machine body, a detection mechanism, a detection pipe, a manipulator, a placement plate, a rotating disc, an arc plate and a movable pipe, wherein one end of the placement plate is rotationally connected with the movable pipe, the other end of the placement plate is fixedly connected with a pressing rod, the pressing rod is simultaneously in pressing fit with the edge of the rotating disc and a circular ring, the end of the movable pipe is fixedly connected with a pressing disc, a notch is formed in the pressing disc, and the rotating placement plate enables a camshaft to enter the pressing disc through the notch and simultaneously performs positioning correction and detection on the end of the camshaft by matching with the action of the circular ring. According to the invention, through the cooperation of the rotating disc, the circular ring and the pressing rod, the placing plate drives the cam shaft to synchronously adjust the angle and the position in the process of entering the pressing disc, so that the end face centering and the sealing self-adaption are realized, the detection success rate is improved, the pressing discs on two sides cooperatively act, the sealing butt joint of two ends of the cam shaft is finished, and the integrity and the accuracy of the air tightness detection of the oil duct are ensured.

Inventors

  • ZENG DAJIN
  • YANG LIN
  • TANG QINGZHU

Assignees

  • 四川银钢一通凸轮轴有限公司

Dates

Publication Date
20260508
Application Date
20260116

Claims (9)

  1. 1. The utility model provides a new energy automobile increases journey ware camshaft oil duct gas tightness detection device, including organism (1) of being equipped with detection mechanism in, the last detection tube (2) that communicates of detection mechanism is equipped with manipulator (3) in organism (1), its characterized in that still includes with manipulator (3) complex be used for placing camshaft place board (4), organism (1) swivelling joint has rolling disc (5), rolling disc (5) edge fixedly connected with arc (6), rolling disc (5) avris fixedly connected with ring (7), ring (7) upside has seted up inclined groove (8); The end part of the detection tube (2) is fixedly communicated with a movable tube (9), one end of the placement plate (4) is rotationally connected with the movable tube (9), the other end of the placement plate is fixedly connected with a pressing rod (10), and the pressing rod (10) is simultaneously in pressing fit with the edge of the rotating disc (5) and the circular ring (7); The end part of the movable pipe (9) is fixedly connected with a pressing disc (11), a notch (12) is formed in the pressing disc (11), the cam shaft is placed into the pressing disc (11) through the notch (12) by the aid of the rotating placing plate (4), and meanwhile, the end part of the cam shaft is positioned, corrected and detected by being matched with the function of the circular ring (7).
  2. 2. The new energy automobile range extender camshaft oil duct air tightness detection device according to claim 1 is characterized in that an arc-shaped limiting plate (13) is fixedly connected to the placing plate (4), avoiding grooves (14) are formed in two sides of the placing plate (4), and the avoiding grooves (14) are matched with the manipulator (3).
  3. 3. The device for detecting the tightness of the camshaft oil duct of the range extender of the new energy automobile according to claim 1 is characterized in that a first fixed plate (15) is fixedly connected in the engine body (1), the movable pipe (9) movably penetrates through the first fixed plate (15), and a pressure spring (16) is hung between the movable pipe (9) and the first fixed plate (15).
  4. 4. The device for detecting the tightness of the camshaft oil duct of the new energy automobile range extender according to claim 3 is characterized in that a second fixing plate (17) is fixedly connected in the engine body (1), a limiting groove is formed in the second fixing plate (17), the supporting pressure rod (10) is of a U-shaped structure, the supporting pressure rod (10) penetrates through the limiting groove, and an elastic pull rope (18) is hung between the supporting pressure rod (10) and the top of the limiting groove.
  5. 5. The device for detecting the tightness of the camshaft oil duct of the range extender of the new energy automobile according to claim 1 is characterized in that a motor (19) is fixedly connected to the machine body (1), an output shaft of the motor (19) is fixedly connected with a central shaft of the rotating disc (5), a rotating rod (20) is fixedly connected with the central shaft at the other side of the rotating disc (5), and the rotating rod (20) is fixedly connected with the central shaft of the other pressing disc (11).
  6. 6. The new energy automobile range extender camshaft oil duct air tightness detection device is characterized in that a truncated cone-shaped pressing groove (21) is formed in the inner side of the pressing disc (11).
  7. 7. The device for detecting the tightness of the camshaft oil duct of the range extender of the new energy automobile according to claim 4, wherein the first fixing plate (15) and the second fixing plate (17) are fixedly connected with a pressing plate (22), and the pressing plate (22) corresponds to the pressing plate (11) in position and is used for pressing the camshaft entering the pressing plate (11).
  8. 8. The device for detecting the tightness of the camshaft oil duct of the range extender of the new energy automobile according to claim 1 is characterized in that a plurality of pressing beads (23) are fixedly connected to the circular ring (7), and the pressing beads (23) are in sliding fit with the pressing rod (10).
  9. 9. The new energy automobile range extender camshaft oil duct tightness detection device according to claim 1 is characterized in that the height of the arc-shaped limiting plate (13) close to the position of the movable tube (9) is larger than the height of the arc-shaped limiting plate (13) far away from the position of the movable tube (9).

Description

New energy automobile increases journey ware camshaft oil duct gas tightness detection device Technical Field The invention relates to the technical field of detection of parts of new energy automobiles, in particular to a device for detecting the tightness of an oil duct of a camshaft of a range extender of a new energy automobile. Background The sealing performance of the camshaft oil duct of the range extender of the new energy automobile directly influences the reliability and the service life of an engine lubricating system, so that strict air tightness detection is required before delivery. At present, aiming at an automatic air tightness detection device of a camshaft oil duct, a fixed sealing head is mostly adopted to be matched with a linear pushing mechanism to realize shaft end butt joint and sealing. However, the device is difficult to correct the dynamic posture and adaptively center the camshaft in the detection process, and particularly when the end face of the camshaft is not coaxial with the sealing head due to processing errors or feeding posture deviation, the problems of poor sealing, detection failure or workpiece scratch and the like are easy to occur. The prior art relies on high-precision positioning mechanisms or manual intervention, has low detection efficiency and poor adaptability, and cannot meet the detection requirement of mass and high-beat production of new energy automobile parts. Therefore, a new energy automobile range extender camshaft oil duct air tightness detection device is provided for the problems. Disclosure of Invention The invention aims to provide a new energy automobile range extender camshaft oil duct air tightness detection device. The invention aims at realizing the technical scheme that the device for detecting the tightness of the camshaft oil duct of the range extender of the new energy automobile comprises a machine body, wherein a detection mechanism is arranged in the machine body, a detection pipe is communicated with the detection mechanism, a manipulator is arranged in the machine body, the device also comprises a placing plate matched with the manipulator and used for placing a camshaft, a rotating disc is rotationally connected in the machine body, an arc-shaped plate is fixedly connected at the edge of the rotating disc, a circular ring is fixedly connected at the side of the rotating disc, and an inclined groove is formed at the upper side of the circular ring; The end part of the detection tube is fixedly communicated with a movable tube, one end of the placement plate is rotationally connected with the movable tube, the other end of the placement plate is fixedly connected with a pressing rod, and the pressing rod is simultaneously in pressing fit with the edge of the rotating disc and the circular ring; The movable tube end fixedly connected with supports the pressure disk, supports to offer the notch on the pressure disk, and pivoted places the board and gets into the pressure disk with the camshaft through the notch, cooperates the effect of circular ring simultaneously, fixes a position the correction and detects camshaft end. As a further description of the above technical solution: the arc limiting plates are fixedly connected to the placing plates, the avoiding grooves are formed in two sides of the placing plates, and the avoiding grooves are matched with the mechanical arm so as to facilitate taking. As a further description of the above technical solution: The first fixing plate is fixedly connected in the machine body, the movable pipe movably penetrates through the first fixing plate, the pressure spring is hung between the movable pipe and the first fixing plate, and the sealing fit degree and the fault tolerance are improved. As a further description of the above technical solution: The machine body is internally and fixedly connected with a second fixing plate, a limiting groove is formed in the second fixing plate, the supporting pressing rod is of a U-shaped structure, the supporting pressing rod penetrates through the limiting groove, an elastic pull rope is hung between the supporting pressing rod and the top of the limiting groove, and accurate control and automatic reset of the movement of the placing plate are achieved. As a further description of the above technical solution: The machine body is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a central shaft of the rotating disc, a rotating rod is fixedly connected with the central shaft at the other side of the rotating disc, and the rotating rod is fixedly connected with the central shaft of the other pressing disc, so that the detection efficiency and consistency are improved. As a further description of the above technical solution: The pressing disc is characterized in that a pressing groove which is in a truncated cone shape is formed in the inner side of the pressing disc, and the pressing groove is enhanced to be neutral th