Wheel hub dynamic balance and beating harmonic detection system
A technology of harmonic detection and detection system, applied in the field of wheel quality detection, can solve problems such as affecting ride comfort, error in detection results, and reduce accident rate, and achieve the effect of online flexible detection and detection.
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Embodiment 1
[0056] A wheel hub dynamic balance and beating harmonic detection system based on machine vision, such as figure 1 As shown, the detection system includes a control unit 10 and a transmission unit 20 connected to the control unit 10, a hub model identification unit 30, a dynamic balance detection unit 40 and a jumping harmonic detection unit 50; figure 2 As shown, the transmission line of the transmission unit 20 is sequentially provided with a wheel hub type identification station 21, a dynamic balance detection station 22 and a runout harmonic detection station 23; it should be noted that the applicant applied for The name is called a mechanical vision-based automatic detection system for hub runout flexibility, and its content is incorporated into this application in its entirety, and the transmission unit of this application is the same as its transmission line body structure, so this application does not make specific limitations. And it needs to be explained that the tr...
Embodiment 2
[0064] A wheel hub dynamic balance and beating harmonic detection system based on machine vision, the difference between this detection system and Embodiment 1 is that, as Figure 8 As shown, the control unit 10 includes:
[0065] The data receiving module 110 is used to receive the hub picture collected by the camera;
[0066] The hub profile extraction module 111 is used to extract the profile image of the hub, and the profile image includes a front image and a side image;
[0067] The wheel hub area division module 112 is used to find the number n of the spokes based on the front image of the wheel hub, and evenly divide the front image of the wheel hub into n fan-shaped areas according to the number of spokes;
[0068] The hub size identification module 113 is used to calculate the distance from the origin corresponding to each fan-shaped area to the rim and the bottom end of the rim on both sides, and calculate the hub size Such as Figure 9 As shown, L, L', Y represe...
Embodiment 3
[0075] A wheel hub dynamic balance and beating harmonic detection system based on machine vision, the difference between this detection system and Embodiment 1 is that, as Figure 10 As shown, the control unit 10 includes:
[0076] The station detection module 120 is used to receive the image collected by the second camera or the third camera, and judge whether there is an image of the hub in the image that has reached the dynamic balance detection station or the jumping harmonic detection station, and if so, extract the center of the hub hole coordinates;
[0077] The station judgment module 121 is used to compare the coordinates of the center hole of the hub with the axis coordinates of the dynamic balance shaft or the jumping harmonic drive shaft, and if the comparison is consistent, send a lifting command to the first control module 122 or the third control module 124 At the same time, send a descending command to the second control module 123 or the fourth control module...
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