Tire pattern depth detection device

Abstract

The utility model discloses a tread pattern depth detection device, and relates to the technical field of automobile detection equipment. The tread pattern depth detection device comprises a supporting seat, a laser used for emitting a laser beam, and a first reflector used for reflecting the laser beam emitted by the laser to a tread pattern position, the first reflecting mirror is used for reflecting laser rays reflected by the tire pattern, the second reflecting mirror is used for reflecting the laser rays reflected by the tire pattern, the shooting piece is used for capturing the laser rays reflected by the second reflecting mirror, the laser and the shooting piece are arranged in the supporting seat in a manner of being close to each other, the laser corresponds to the first reflecting mirror, and the shooting piece corresponds to the second reflecting mirror; according to the tread pattern depth detection device, the first reflecting mirror and the second reflecting mirror are designed to be at the optimal angle, and the maximum imaging space is obtained; compared with a detection device in the prior art, the precision of the working angle is higher; production and installation are simpler, more convenient and more efficient, and complex position debugging is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile detection equipment, in particular to a tire tread depth detection device. Background Art

[0002] When detecting an automobile, it is necessary to test the tread depth of the automobile tire. In the prior art, the first reflector and the second reflector are not designed at the best angle to obtain the largest imaging space, and the test accuracy needs to be improved; the installation and position debugging of the detection device in the prior art are complex; therefore, in view of this current situation, there is an urgent need to develop a tire tread depth detection device to meet the actual use requirements. Content of the Utility Model

[0003] In view of this, aiming at the deficiencies existing in the prior art, the main purpose of the utility model is to provide a tire tread depth detection device, which designs the first reflector and the second reflector at the best angle to obtain the largest imaging space; according to the pre-test results, the relative positions of the laser and the industrial camera are fixed to ensure that the relative angle between the two does not change; this device can be directly installed and used, avoiding repeated calibration of the relative positions between the laser, the industrial camera, the first reflector, the second reflector and the tire; it has higher accuracy than the working angle of existing products; the production and installation are more simple and efficient, reducing complex position debugging.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A tire tread depth detection device includes a support base, a laser for emitting a laser beam, a first reflector for reflecting the laser beam emitted by the laser to the tire tread position, a second reflector for reflecting the laser line reflected by the tire tread, and a shooting member for capturing the laser line reflected after passing through the second reflector. The laser and the shooting member are disposed close to each other in the support base, the laser corresponds to the first reflector, and the shooting member corresponds to the second reflector.

[0006] As a preferred solution: an installation block for installing the first reflector and the second reflector is disposed in the support base. The first reflector and the second reflector are both inclined on the installation block. The installation block has a horizontal bottom surface. The inclination angle of the first reflector relative to the bottom surface is A, and the inclination angle of the second reflector relative to the bottom surface is B. Both A and B are 45 degrees to 75 degrees, and the difference between A and B is 10 degrees to 20 degrees.

[0007] As a preferred solution: a photoelectric switch for triggering the laser to emit a laser beam is disposed on the upper surface of the support base. There are two photoelectric switches, and the two photoelectric switches are symmetrically distributed on both sides of the support base.

[0008] As a preferred solution: the photographing member is an industrial camera. An opening window is formed on the upper surface of the support base, and the opening window is located below the tire tread. Both the first reflector and the second reflector are located below the opening window, and the two photoelectric switches are symmetrically distributed on both sides of the opening window.

[0009] As a preferred solution: a first support plate and a second support plate for enhancing the support effect are arranged in the support base, and the first support plate and the second support plate are distributed in a shape of "eight".

[0010] As a preferred solution: a first installation block for installing the laser and a second installation block for installing the photographing member are arranged in the support base. The laser is detachably arranged on the first installation block, and the photographing member is detachably arranged on the second installation block.

[0011] As a preferred solution: the installation block has a first embedding groove for embedding the first reflector and a second embedding groove for embedding the second reflector, and a plurality of connection holes are arranged on the bottom surface of the installation block.

[0012] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solutions, the first reflector and the second reflector of the device are designed at the best angles to obtain the largest imaging space; according to the pre-test results, the relative positions of the laser and the industrial camera are fixed to ensure that the relative angles between the two do not change; the device can be directly installed and used, avoiding repeated calibration of the relative positions between the laser, the industrial camera, the first reflector, the second reflector and the tire; avoiding the mutual interference between the light of the industrial camera and the light of the laser; having higher accuracy of the working angle than the existing products; being more simple, efficient in production and installation; and reducing the complex position debugging.

[0013] To more clearly illustrate the structural features and functions of the utility model, the following will be described in detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first perspective three-dimensional structural schematic diagram of the tire tread depth detection device of the utility model;

[0015] Figure 2 It is a second perspective three-dimensional structural schematic diagram of the tire tread depth detection device of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the main part (excluding the upper surface of the support base) of the tire tread depth detection device of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the installation block, the first reflector and the second reflector of the utility model;

[0018] Figure 5 Top view of the tire and tire tread depth detection device of the present utility model;

[0019] Figure 6 Front view of the tire and tire tread depth detection device of the present utility model;

[0020] Figure 7 Schematic diagram of the laser line reflection principle of the tire tread depth detection device of the present utility model.

[0021] Explanation of the attached drawing reference numerals:

[0022] In the figure: 10, support base; 11, first installation block; 12, second installation block; 13, window; 14, first support plate; 15, second support plate; 16, photoelectric switch; 17, installation block; 171, bottom surface; 172, connection hole; 173, first embedding groove; 174, second embedding groove; 20, laser; 30, first reflecting mirror; 40, second reflecting mirror; 50, shooting member. Detailed implementation manners

[0023] As shown in the present utility model Figures 1 to 7 A tire tread depth detection device includes a support base 10, a laser 20 for emitting a laser beam, a first reflecting mirror 30 for reflecting the laser beam emitted by the laser 20 to the tire tread position, a second reflecting mirror 40 for reflecting the laser line reflected by the tire tread, and a shooting member 50 for capturing the laser line reflected after passing through the second reflecting mirror 40, wherein:

[0024] The laser 20 and the shooting member 50 are disposed close to each other within the support base 10, the laser 20 corresponds to the first reflecting mirror 30, and the shooting member 50 corresponds to the second reflecting mirror 40.

[0025] The laser 20 emits a laser beam onto the first reflecting mirror 30, which is reflected by the first reflecting mirror 30 and reaches the tire tread position. The laser line reflected from the tire tread position reaches the second reflecting mirror 40, and the laser line reflected after passing through the second reflecting mirror 40 is captured by the shooting member 50.

[0026] When the vehicle tire rolls from left to right on the upper surface of the support base 10, it passes through the photoelectric switch 16; the photoelectric switch 16 detects the passing of the tire and sends a signal to an external computer; after receiving the signal, the computer controls the laser 20 to work and emit a laser beam; the linear laser beam hits the tire surface through the first reflecting mirror 30, and the uneven laser line is reflected by the tire tread; the laser line reflected by the tire is captured by the industrial camera through the second reflecting mirror 40; the industrial camera transmits the tire tread data to the computer; the computer calculates the depth dimension of the tire tread based on the laser line captured by the camera.

[0027] The tire tread depth detection device provided by this application: It is a non-contact measurement device for automobile tires. According to the measurement requirements and the data obtained from repeated tests, the relative angles of the laser 20 and the industrial camera are designed to be the optimal angles, and the first reflector 30 and the second reflector 40 are designed to be the optimal angles to obtain the largest imaging space. According to the pre-test results, the relative positions of the laser 20 and the industrial camera are fixed to ensure that their relative angles do not change. Only by changing the angles of the first reflector 30 and the second reflector 40 can the shape or size of the overall device be matched. This device can be directly installed and used, avoiding repeated calibration of the relative positions between the laser 20, the industrial camera, the first reflector 30, the second reflector 40, and the tire. It also avoids interference between the light of the industrial camera and the light of the laser 20. It has higher accuracy in the working angle than existing products, is more convenient and efficient in production and installation, and can reduce complex position debugging.

[0028] The support base 10 is provided with a mounting block 17 for mounting the first reflector 30 and the second reflector 40. The first reflector 30 and the second reflector 40 are both inclined and arranged on the mounting block 17. The mounting block 17 has a horizontal bottom surface 171. The inclination angle of the first reflector 30 relative to the bottom surface 171 is A, and the inclination angle of the second reflector 40 relative to the bottom surface 171 is B. Both A and B are between 45 degrees and 75 degrees, and the difference between A and B is between 10 degrees and 20 degrees.

[0029] The installation of the first reflector 30 and the second reflector 40 on the mounting block 17 is more convenient and the operation is more convenient.

[0030] The upper surface of the support base 10 is provided with two photoelectric switches 16 for triggering the laser 20 to emit a laser beam. The two photoelectric switches 16 are symmetrically distributed on both sides of the support base 10. When the tire covers the photoelectric switch 16, the triggering of the photoelectric switch 16 is realized.

[0031] The shooting member 50 is an industrial camera. The upper surface of the support base 10 is provided with an opening window 13. The opening window 13 is located below the tire tread. The first reflector 30 and the second reflector 40 are both located below the opening window 13. The two photoelectric switches 16 are symmetrically distributed on both sides of the opening window 13. By adopting the opening window 13, it is convenient for the reflection of the laser line and the shooting of the laser line.

[0032] The support base 10 is provided with a first support plate 14 and a second support plate 15 for strengthening the support. The first support plate 14 and the second support plate 15 are distributed in a "V" shape.

[0033] By adopting the first support plate 14 and the second support plate 15 to strengthen the support of the support seat 10, it is convenient to achieve a better support effect when the vehicle drives on the support seat 10.

[0034] A first installation block 11 for installing the laser 20 and a second installation block 12 for installing the photographing member 50 are provided in the support seat 10. The laser 20 is detachably arranged on the first installation block 11, and the photographing member 50 is detachably arranged on the second installation block 12; the detachable installation facilitates the installation and replacement of the photographing member 50 and the laser 20.

[0035] The installation block 17 has a first embedding groove 173 for embedding the first reflector 30 and a second embedding groove 174 for embedding the second reflector 40. A plurality of connecting holes 172 are provided on the bottom surface 171 of the installation block 17; by using the connecting holes 172, it is convenient to fix the installation block 17 on the support seat 10.

[0036] The usage method and principle of this tire tread depth detection device are as follows:

[0037] When the vehicle drives over this tire tread depth detection device, when the vehicle tire rolls from left to right on the upper surface of the support seat, it passes by the photoelectric switch; the photoelectric switch detects that the tire has passed and sends a signal to an external computer; after receiving the signal, the computer controls the laser to emit a laser beam; the linear laser beam hits the tire surface through the first reflector, and uneven laser lines are reflected by the tire tread; the laser lines reflected by the tire are captured by the industrial camera through the second reflector; the industrial camera transmits the tire tread data to the computer; the computer calculates the depth and shallowness dimensions of the tire tread based on the laser lines captured by the camera.

[0038] The design focus of the present utility model lies in that, through the tire tread depth detection device provided by this application, it is a non-contact measurement device for vehicle tires. According to the measurement requirements and based on the data obtained from repeated tests, the relative angles of the laser and the industrial camera are designed to be the optimal angles, and the first reflector and the second reflector are designed to be the optimal angles to obtain the largest imaging space; according to the pre-test results, the relative positions of the laser and the industrial camera are fixed to ensure that their relative angles do not change; only by changing the angles of the first reflector and the second reflector can the shape or size of the overall device be matched; this device can be directly installed and used, avoiding repeated calibration of the relative positions between the laser, the industrial camera, the first reflector, the second reflector and the tire; avoiding interference between the light of the industrial camera and the light of the laser; having a higher accuracy of working angle than existing products; being more convenient, efficient in production and installation; and being able to reduce complex position debugging.

[0039] The above are only the preferred embodiments of the present utility model, and do not impose any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A tire tread depth detection device, characterized in that: It includes a support seat, a laser for emitting a laser beam, a first reflector for reflecting the laser beam emitted by the laser to the tire pattern position, a second reflector for reflecting the laser line reflected by the tire pattern, and a shooting component for capturing the laser line reflected after passing through the second reflector. The laser and the shooting component are arranged close to each other in the support seat, the laser corresponds to the first reflector, and the shooting component corresponds to the second reflector.

2. The tire tread depth detection device according to claim 1, characterized in that: The support seat is provided with a mounting block for mounting a first reflector and a second reflector, the first reflector and the second reflector are both tiltedly arranged on the mounting block, the mounting block has a horizontal bottom surface, the first reflector is tilted at an angle A relative to the bottom surface, the second reflector is tilted at an angle B relative to the bottom surface, A and B are both 45 degrees to 75 degrees, and the difference between A and B is 10 degrees to 20 degrees.

3. The tire tread depth detection device according to claim 1, characterized in that: The upper surface of the support base is provided with a photoelectric switch for triggering the laser to emit a laser beam. The number of the photoelectric switches is two, and the two photoelectric switches are symmetrically distributed on both sides of the support base.

4. The tire tread depth detection device according to claim 3, characterized in that: The shooting component is an industrial camera, and a window is provided on the upper surface of the support seat. The window is located below the tire pattern, and the first reflector and the second reflector are both located below the window. The two photoelectric switches are symmetrically distributed on both sides of the window.

5. The tire tread depth detection device according to claim 1, characterized in that: The support seat is provided with a first support plate and a second support plate for strengthening support, and the first support plate and the second support plate are distributed in an "eight" shape.

6. The tire tread depth detection device according to claim 1, characterized in that: The support seat is provided with a first mounting block for mounting the laser and a second mounting block for mounting the photographing component. The laser is detachably mounted on the first mounting block, and the photographing component is detachably mounted on the second mounting block.

7. The tire tread depth detection device according to claim 2, characterized in that: The mounting block has a first embedding groove for embedding the first reflector and a second embedding groove for embedding the second reflector, and a plurality of connecting holes are arranged on the bottom surface of the mounting block.

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