CN-121994513-A - Wheel assembly detection device and detection method

CN121994513ACN 121994513 ACN121994513 ACN 121994513ACN-121994513-A

Abstract

The application relates to a wheel assembly detection device and a detection method, wherein a positioning and clamping mechanism is used for fixing a wheel assembly to be detected, an air charging mechanism is used for charging the wheel assembly to a preset tire pressure, after the wheel assembly is charged, the positioning and clamping mechanism drives the wheel assembly to rotate at a preset speed, in the rotation process of the wheel assembly, an appearance size detection mechanism detects the appearance size of the wheel assembly, a groove depth detection mechanism detects the groove depth of the wheel assembly, a radial lateral size deviation detection mechanism detects the radial size deviation and the lateral size deviation of the wheel assembly, namely, the positioning and clamping mechanism, the air charging mechanism, the appearance size detection mechanism, the groove depth detection mechanism and the radial lateral size deviation detection mechanism can realize automatic and efficient accurate detection of the wheel assembly under the control of a central controller, the detection efficiency is improved, and in the batch detection, the consistency of detection standards can be ensured.

Inventors

XIE GAOHUI
LIU LEI
YI CHUANXIANG

Assignees

重庆蓝电汽车科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260209

Claims (10)

1. The wheel assembly detection device is characterized by comprising a positioning and clamping mechanism, an inflation mechanism, an appearance size detection mechanism, a groove depth detection mechanism, a radial lateral size deviation detection mechanism and a central controller which are arranged on a detection bench; The central controller is respectively and electrically connected with the positioning and clamping mechanism, the inflation mechanism, the appearance size detection mechanism, the groove depth detection mechanism and the radial lateral size deviation detection mechanism, and is configured to control the positioning and clamping mechanism to fix a wheel assembly to be detected and control the inflation mechanism to inflate the wheel assembly to a preset tire pressure; the central controller is further configured to control the positioning and clamping mechanism to drive the wheel assembly to rotate at a preset speed after the wheel assembly is inflated; The central controller is further configured to control the apparent dimension detection mechanism to detect an apparent dimension of the wheel assembly, the groove depth detection mechanism to detect a groove depth of the wheel assembly, and the radial lateral dimension deviation detection mechanism to detect a radial dimension deviation and a lateral dimension deviation of the wheel assembly during rotation of the wheel assembly.
2. The apparatus of claim 1, wherein the positioning and clamping mechanism comprises a centering shaft, a pneumatic clamping jaw, and a drive motor; The centering shaft is used for being inserted into a central hole of the wheel assembly to position the wheel assembly; the pneumatic clamping jaws are symmetrically distributed on the outer side of the centering shaft and are used for clamping the hub of the wheel assembly; The driving motor is in transmission connection with the centering shaft and is used for driving the wheel assembly to rotate around the centering shaft under the control of the central controller.
3. The device according to claim 2, wherein the pneumatic clamping jaw is provided with an anti-slip layer, by means of which the pneumatic clamping jaw clamps the hub according to a target clamping force, the magnitude of which is controlled by means of the central controller.
4. The apparatus of claim 1, wherein the inflation mechanism comprises an inflation device and an air pressure sensor; the inflation device is used for inflating the wheel assembly under the control of the central controller; the air pressure sensor is used for detecting the tire pressure of the wheel assembly.
5. The apparatus of claim 1, wherein the apparent size detection mechanism comprises an industrial camera, a light source assembly, and an image processor; the industrial camera is configured with a lens directed toward a tire surface of the wheel assembly; The light source assembly is arranged around the industrial camera and is used for providing a light source for the industrial camera; The image processor is used for analyzing the acquired image of the industrial camera to identify the surface defects and the appearance sizes of the wheel assemblies in the acquired image.
6. The apparatus of claim 1, wherein the trench depth detection mechanism comprises a laser displacement sensor and a lateral movement module; The laser displacement sensor is connected to the upper portion of the transverse movement module in a sliding mode, the transverse movement module is arranged on a working table surface of the detection bench, the transverse movement module drives the laser displacement sensor to move under the action of the central controller, and the laser displacement sensor is used for collecting the depth of a groove between the bottom of the groove of the wheel assembly and the surface of a pattern.
7. The apparatus of claim 6, wherein the lateral movement module comprises a stepper motor, a guide rail, and a lead screw; the laser displacement sensor is arranged on the guide rail, the stepping motor drives the screw rod to rotate so as to drive the laser displacement sensor to transversely move along the guide rail, and the groove depths of the grooves are continuously collected.
8. The apparatus of claim 1, wherein the radial lateral dimensional deviation detection mechanism comprises a radial displacement sensor and a lateral displacement sensor; The detection end of the radial displacement sensor is configured to contact with the outer circumferential surface of the tire of the wheel assembly; The detection end of the lateral displacement sensor is configured to be in lateral contact with a tire of the wheel assembly.
9. The device of claim 8, wherein the detection end of the radial displacement sensor and the detection end of the lateral displacement sensor are provided with a grinding head resistance.
10. A wheel assembly detection method, applied to the wheel assembly detection apparatus according to any one of claims 1 to 9, comprising: fixing a wheel assembly to be detected through a positioning and clamping mechanism; inflating the wheel assembly to a preset tire pressure through an inflation mechanism; After the wheel assembly is inflated, driving the wheel assembly to rotate at a preset speed through the positioning and clamping mechanism; In the rotation process of the wheel assembly, detecting the appearance size of the wheel assembly through an appearance size detecting mechanism, detecting the depth of a groove of the wheel assembly through a groove depth detecting mechanism, and detecting the radial size deviation and the lateral size deviation of the wheel assembly through a radial lateral size deviation detecting mechanism to obtain detection data; Comparing the detection data with qualified parameters corresponding to the wheel assembly to obtain a detection result; Outputting the detection result and storing associated data in the detection process, wherein the associated data comprises at least one of the number of the wheel assembly, the detection time, the detection data and the detection qualified state.

Description

Wheel assembly detection device and detection method Technical Field The application relates to the technical field of wheel detection, in particular to a wheel assembly detection device and a detection method. Background The wheel assembly is used as a core component of an automobile running system, and the performance parameters of the wheel assembly directly influence the running safety, stability and comfort of the automobile. At present, the detection flow of the wheel assembly is generally divided into a plurality of independent procedures, such as firstly inflating the tire to a standard tire pressure through special inflation equipment, then checking whether the surface of the tire has defects such as scratches, bulges and damages manually or through independent appearance detection equipment, then measuring the groove depth of the tire pattern one by using a groove depth ruler to judge whether the safe running requirement is met, and finally detecting radial runout deviation and lateral runout deviation through a wheel dynamic balancing machine or special deviation detection equipment. Above-mentioned detection flow is because the detection process disperses, needs many independent equipment and a plurality of operating stations, and equipment area is big, and acquisition cost is high, and the wheel assembly needs to be transported between each equipment, and is consuming time hard, causes detection efficiency low. Disclosure of Invention The application provides a wheel assembly detection device and a detection method, which aim to solve the technical problem of how to improve the detection efficiency of a wheel assembly. In a first aspect, the present application provides a wheel assembly inspection device comprising a positioning and clamping mechanism, an inflation mechanism, an external dimension inspection mechanism, a groove depth inspection mechanism, a radial lateral dimension deviation inspection mechanism and a central controller disposed on an inspection bench; The central controller is respectively and electrically connected with the positioning and clamping mechanism, the inflation mechanism, the appearance size detection mechanism, the groove depth detection mechanism and the radial lateral size deviation detection mechanism, and is configured to control the positioning and clamping mechanism to fix a wheel assembly to be detected and control the inflation mechanism to inflate the wheel assembly to a preset tire pressure; the central controller is further configured to control the positioning and clamping mechanism to drive the wheel assembly to rotate at a preset speed after the wheel assembly is inflated; The central controller is further configured to control the apparent dimension detection mechanism to detect an apparent dimension of the wheel assembly, the groove depth detection mechanism to detect a groove depth of the wheel assembly, and the radial lateral dimension deviation detection mechanism to detect a radial dimension deviation and a lateral dimension deviation of the wheel assembly during rotation of the wheel assembly. Optionally, the positioning and clamping mechanism comprises a centering shaft, a pneumatic clamping jaw and a driving motor; The centering shaft is used for being inserted into a central hole of the wheel assembly to position the wheel assembly; the pneumatic clamping jaws are symmetrically distributed on the outer side of the centering shaft and are used for clamping the hub of the wheel assembly; The driving motor is in transmission connection with the centering shaft and is used for driving the wheel assembly to rotate around the centering shaft under the control of the central controller. Optionally, the pneumatic clamping jaw is provided with an anti-slip layer, the pneumatic clamping jaw clamps the hub according to a target clamping force through the anti-slip layer, and the magnitude of the target clamping force is controlled through the central controller. Optionally, the inflation mechanism comprises an inflation device and an air pressure sensor; the inflation device is used for inflating the wheel assembly under the control of the central controller; the air pressure sensor is used for detecting the tire pressure of the wheel assembly. Optionally, the external dimension detection mechanism comprises an industrial camera, a light source assembly and an image processor; the industrial camera is configured with a lens directed toward a tire surface of the wheel assembly; The light source assembly is arranged around the industrial camera and is used for providing a light source for the industrial camera; The image processor is used for analyzing the acquired image of the industrial camera to identify the surface defects and the appearance sizes of the wheel assemblies in the acquired image. Optionally, the groove depth detection mechanism comprises a laser displacement sensor and a transverse movement module; The laser displacement sensor is con