九州全球彩票投注网站⎛⎝FcwQp⎠⎞ Closed probe mechanism for wheel detection with linear displacement sensor - industry trends - Shenzhen easie Electric Co., Ltd

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Closed probe mechanism for wheel detection with linear displacement sensor

Release date: July 1, 2019 Hits: 127

Automobile wheel is an important component of automobile. Its production quality, especially the swing error of wheel, has great influence on the safe driving and comprehensive performance of automobile. The test parameters of the wheel mainly include two axial end face runout and two radial runout, a total of 4 runout values, and the press fit offset of the spoke relative to the rim. The current automobile wheel detection equipment is used in the automatic wheel production line, which is bulky, expensive and not easy to carry. In some cases, large-scale vehicle wheel detection equipment is not needed, so the portability of vehicle wheel detection equipment needs to be considered. The detection of wheel mainly uses sensor probe mechanism Displacement sensor The probe mechanism is an open structure, dust, oil and other impurities are easy to enter the probe mechanism, which affects the reliability and measurement accuracy of the mechanism. In order to avoid dust, oil and other impurities from entering into the probe mechanism, the utility model puts forward a belt with straight line Displacement sensor The closed probe mechanism of automobile wheel detection based on the.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

 Closed probe mechanism for wheel detection with linear displacement sensor

Figure 2 is a top view of the utility model (removing the top plate of the shell).

 Closed probe mechanism for wheel detection with linear displacement sensor

As shown in Figures 1 and 2, 1 is the end face linear displacement sensor, 5 is the radial linear displacement sensor, 2 is the measuring rod, 3 is the measuring rod support, 4 and 12 are the pin shafts, 6 is the forward and backward movement return spring, 11 is the swing return spring, 7 is the spherical roller, 8 is the rolling linear guide rail, 9 is the limit plate, 10 is the support, 13 is the support, 14 is the shell.

Specific implementation mode

As shown in Figures 1 and 2, the closed probe mechanism for automobile wheel detection includes a shell 14, a end face linear displacement sensor 1, a radial linear displacement sensor 5, and a measuring rod 2. A connecting bracket is supported on the rolling guide rail in the shell, and the end face linear displacement sensor 1 and the radial linear displacement sensor 2 are respectively fixed at the upper end and the lower end of the connecting bracket; The measuring rod 2 passes through the end face linear displacement sensor 1 and the radial linear displacement sensor 5, the head of the measuring rod extends out of the shell body, the upper and lower swing cavities of the measuring rod are arranged on the wall of the shell 14, the head and tail of the measuring rod are provided with spherical rollers 7, the middle part of the measuring rod is hinged on the connecting bracket through the measuring rod support 3 and the pin shaft 4; the measuring head of the radial linear displacement sensor 1 is pressed on the limit platform 9; At the tail position relative to the measuring rod, a bracket 13 with a horizontal arm and a vertical arm is hinged on the shell through a pin shaft 12, the horizontal arm of the bracket 13 is in contact with the spherical roller 7 at the tail of the measuring rod, the vertical arm of the bracket 13 is in contact with the measuring head of the linear displacement sensor 1 on the end face, and the measuring rod 2 is provided with a back and forth movement return spring 6 and a swing return spring 11.

In other words, it is not easy to detect the radial displacement and the external displacement of the inside of the car through the two sensors which are not in contact with the outside High precision detection. One measuring rod can measure two parameters, which can reduce the number of components in principle. The mechanism has compact structure and small volume.


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