Automobile tire roundness detection device

Abstract

The utility model discloses a device for detecting the roundness of an automobile tire, which comprises a main shell and is characterized in that a groove-shaped station for mounting the tire is arranged in the middle of the main shell. A first cavity is formed in one side of the groove-shaped station, a clamping plate supporting rod transversely extending to the groove-shaped station is arranged in the first cavity, and a tire clamping plate is arranged at one end of the clamping plate supporting rod. A first motor is arranged in the second cavity, a driving shaft of the first motor extends to the groove-shaped station and is provided with another tire clamping plate, and the two tire clamping plates jointly fix the tire. A pull rod displacement sensor capable of transversely moving is arranged in the third cavity below the groove-shaped station, and a pull rod part of the pull rod displacement sensor upwards penetrates out, is in contact with the outer circle surface of the tire and is used for detecting the roundness change of the tire. The device is simple in structure, easy to operate and suitable for roundness detection of tires of various specifications, and has high application value.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detection, in particular to a vehicle tire roundness detection device. Background Art

[0002] During the vehicle inspection process, the tire roundness needs to be tested to avoid shaking and instability during vehicle driving caused by tire deformation.

[0003] Currently, the more commonly used detection methods include direct observation, infrared or ultrasonic testing, and mold testing. Among them, direct visual observation is only suitable for tires with more obvious deformation. Infrared or ultrasonic testing requires the inspectors to have sufficient professional capabilities. The equipment operation is more complicated and the cost is higher. Mold testing requires frequent mold replacement to match the tire size, and the detection efficiency is low. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a vehicle tire roundness detection device, which can realize the purpose of rapid detection of tire roundness for tires of different models.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is as follows: a vehicle tire roundness detection device, comprising a main housing, a groove-shaped station for mounting a tire formed in the middle of the main housing, a first chamber provided in the main housing on one side of the groove-shaped station, a plywood support rod provided transversely and extending into the groove-shaped station, a tire plywood provided on one end of the plywood support rod located in the groove-shaped station;

[0006] A second chamber is provided in the main housing on the other side, and a first motor is provided in the second chamber. The drive shaft of the first motor is arranged horizontally and passes through the groove-shaped station. A tire clamp is provided on the drive shaft of the first motor in the groove-shaped station.

[0007] The two tire clamps work together to clamp and fix the tire;

[0008] A third chamber is provided in the main shell below the groove-shaped station. A pull rod displacement sensor capable of moving laterally is provided in the third chamber. The pull rod portion of the pull rod displacement sensor passes upward into the groove-shaped station and contacts the outer cylindrical surface of the tire located in the groove-shaped station.

[0009] In the preferred solution, a limiting plate is provided on the splint support rod located in the first chamber, and one end of the splint support rod away from the groove-shaped work station passes through the outside of the main shell body, and a spring is provided on the splint support rod located in the first chamber and away from the groove-shaped work station.

[0010] In a preferred solution, bearings are provided at both ends of the first chamber for the two ends of the splint support rod to pass through.

[0011] In a preferred solution, a movable seat is provided at the bottom of the second chamber, a motor support is fixed on the top of the movable seat, and the first motor is fixedly mounted on the motor support;

[0012] A horizontal rotating rod passing through the movable seat is provided at the bottom of the second chamber. A threaded section is provided on the rotating rod, and the movable seat is located on the threaded section.

[0013] In a preferred solution, a slide groove is provided on the bottom surface of the third chamber, a displacement sensor mounting seat is provided in the slide groove, and the pull rod displacement sensor is installed in the displacement sensor mounting seat;

[0014] The rotating rod is a hollow rod, and a push rod is provided inside the rotating rod. A piston is provided at the end of the push rod located inside the rotating rod. The push rod passes through one end of the rotating rod and extends into the third chamber. One end of the push rod located in the third chamber is fixedly connected to the displacement sensor mounting seat.

[0015] In a preferred solution, a strip hole is provided on the top surface of the third chamber, and the pull rod portion of the pull rod displacement sensor is arranged through the strip hole, and the length of the strip hole is not less than the length of the slide groove.

[0016] In a preferred solution, the end of the rotating rod away from the push rod passes through the outside of the main housing, and a driven gear is provided on the rotating rod outside the main housing;

[0017] A second motor is fixedly provided on the outer wall of the main housing, and a driving gear meshing with the driven gear is provided on the driving shaft of the second motor.

[0018] In a preferred solution, one end of the rotating rod located outside the main housing is an open end, and the outer wall of the open end is threaded;

[0019] A threaded connection sleeve is installed on the open end through a thread, and a pressure oil pipe is connected to the threaded connection sleeve.

[0020] In a preferred solution, the first motor, the pull rod displacement sensor and the second motor are connected to a control panel arranged on the outer wall of the main shell.

[0021] The automobile tire roundness detection device provided by the utility model has the following beneficial effects by adopting the above structure:

[0022] (1) The present invention uses a first motor to drive the tire to rotate, and combines it with a pull rod displacement sensor to detect changes in the tire outer circle in real time, thereby realizing an automated tire roundness detection process, reducing the need for manual intervention, and improving the accuracy and efficiency of detection;

[0023] (2) The use of a pull rod displacement sensor that directly contacts the tire surface for measurement can more accurately reflect the roundness of the tire and is more reliable than the traditional naked eye observation method. At the same time, during the detection process, the pull rod displacement sensor can achieve the purpose of comprehensive detection of different radial positions of the tire by slowing down the lateral displacement;

[0024] (3) By setting the limit plate and spring, the tire clamp can adapt to tires of different sizes, which increases the applicability of the device; at the same time, the design of the bearing supporting the clamp rod ensures the stability and durability of the clamping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 This is a schematic diagram of the internal structure of the rotating rod of the present utility model.

[0028] In the figure: main shell 1, first chamber 101, second chamber 102, third chamber 103, tire splint 2, splint support rod 3, limit plate 4, spring 5, movable seat 6, motor support platform 7, side protrusion 701, guide groove 8, first motor 9, strip hole 10, slide groove 11, pull rod displacement sensor 12, displacement sensor mounting base 13, rotating rod 14, threaded section 141, push rod 15, piston 151, driven gear 16, second motor 17, driving gear 18, threaded connection sleeve 19, pressure oil pipe 20, control panel 21. DETAILED DESCRIPTION

[0029] like Figure 1 A vehicle tire roundness detection device includes a main housing 1, wherein a groove-shaped station for mounting a tire is formed in the middle of the main housing 1. A first chamber 101 is provided in the main housing 1 on one side of the groove-shaped station. A plywood support rod 3 is provided in the first chamber 101 and extends horizontally into the groove-shaped station. A tire plywood 2 is provided on one end of the plywood support rod 3 located in the groove-shaped station.

[0030] A second chamber 102 is provided in the main housing 1 on the other side. A first motor 9 is provided in the second chamber 102. The drive shaft of the first motor 9 is arranged horizontally and passes through the groove-shaped station. A tire clamp 2 is provided on the drive shaft of the first motor 9 in the groove-shaped station.

[0031] The two tire clamps 2 work together to clamp and fix the tire;

[0032] A third chamber 103 is provided in the main shell 1 below the groove-shaped station. A pull rod displacement sensor 12 capable of moving laterally is provided in the third chamber 103. The pull rod portion of the pull rod displacement sensor 12 passes upward into the groove-shaped station and contacts the outer cylindrical surface of the tire located in the groove-shaped station.

[0033] In the preferred solution, a limiting plate 4 is provided on the splint support rod 3 located in the first chamber 101, and one end of the splint support rod 3 away from the groove-shaped work station passes through the outside of the main shell 1, and a spring 5 is provided on the splint support rod 3 located in the first chamber 101 and away from the groove-shaped work station.

[0034] In a preferred solution, bearings are provided at both ends of the first chamber 101 for the two ends of the splint support rod 3 to pass through.

[0035] In a preferred embodiment, a movable seat 6 is provided at the bottom of the second chamber 102, a motor support 7 is fixed on the top of the movable seat 6, and the first motor 9 is fixedly mounted on the motor support 7;

[0036] A horizontal rotating rod 14 passing through the movable seat 6 is provided at the bottom of the second chamber 102 . A threaded section 141 is provided on the rotating rod 14 , and the movable seat 6 is located on the threaded section 141 .

[0037] The preferred solution is Figure 2 In the embodiment, a slide groove 11 is provided on the bottom surface of the third chamber 103, a displacement sensor mounting seat 13 is provided in the slide groove 11, and a pull rod displacement sensor 12 is installed in the displacement sensor mounting seat 13;

[0038] The rotating rod 14 is a hollow rod, and a push rod 15 is provided inside the rotating rod 14. A piston 151 is provided at the end of the push rod 15 located inside the rotating rod 14. The push rod 15 passes through one end of the rotating rod 14 and extends into the third chamber 103. One end of the push rod 15 located in the third chamber 103 is fixedly connected to the displacement sensor mounting seat 13.

[0039] In a preferred solution, a strip hole 10 is provided on the top surface of the third chamber 103 , and the rod portion of the rod displacement sensor 12 is arranged through the strip hole 10 , and the length of the strip hole 10 is not less than the length of the slide groove 11 .

[0040] In a preferred embodiment, one end of the rotating rod 14 away from the push rod 15 passes through the outside of the main housing 1, and a driven gear 16 is provided on the rotating rod 14 outside the main housing 1;

[0041] A second motor 17 is fixedly provided on the outer wall of the main housing 1 , and a driving gear 18 meshing with the driven gear 16 is provided on the driving shaft of the second motor 17 .

[0042] In a preferred embodiment, one end of the rotating rod 14 located outside the main housing 1 is an open end, and the outer wall of the open end is threaded;

[0043] A threaded connection sleeve 19 is threadedly mounted on the open end, and a pressure oil pipe 20 is connected to the threaded connection sleeve 19 .

[0044] In a preferred solution, the first motor 9 , the pull rod displacement sensor 12 and the second motor 17 are connected to a control panel 21 provided on the outer wall of the main housing 1 .

[0045] The present invention discloses a vehicle tire roundness detection device, which is used for detecting the roundness of vehicle tires:

[0046] 1. Power on inspection:

[0047] Make sure the power supply is connected correctly, open the control panel 21, and check whether the system starts normally.

[0048] 2. Preset parameters:

[0049] According to the model of the tire to be tested, corresponding testing parameters are input on the control panel 21 .

[0050] 3. Place the tire:

[0051] The tire to be tested is placed in the groove-shaped station in the middle of the main shell 1.

[0052] 4. Clamp the tire:

[0053] Start the control system and use the second motor 17 to drive the driven gear 16 on the rotating rod 14 according to the specific position to be detected, so as to adjust the tire clamp 2 on the drive shaft of the first motor 9 to cooperate with the tire clamp 2 on the other side to clamp and fix the tire.

[0054] The two tire clamps 2 work together to firmly clamp and fix the tire.

[0055] 6. Start testing:

[0056] After the tire is fixed, the first motor 9 is started to rotate the tire.

[0057] At the same time, by installing a pressure oil pipe 20 at the outer end of the rotating rod 14 , the pressure oil pipe 20 inputs hydraulic oil into the rotating rod 14 , thereby driving the pull rod displacement sensor 12 to rotate at a high speed in the slide groove 11 .

[0058] During the rotation of the tire, the rod displacement sensor 12 will move up and down with the rotation of the tire, recording the change data of the tire outer circle. Combined with the lateral movement of the rod displacement sensor 12, it can ensure comprehensive detection of the tire roundness.

[0059] 7. Read the results:

[0060] After the detection is completed, the data collected by the pull rod displacement sensor 12 is read and recorded through the control panel 21 .

[0061] Determine whether the tire roundness meets the standards based on the data.

Claims

1. A vehicle tire roundness detection device, comprising a main housing (1), characterized in that: A groove-shaped station for mounting a tire is formed in the middle of the main shell (1), a first chamber (101) is provided in the main shell (1) on one side of the groove-shaped station, a plywood support rod (3) is provided in the first chamber (101) and extends transversely and passes through the groove-shaped station, and a tire plywood (2) is provided on one end of the plywood support rod (3) located in the groove-shaped station; A second chamber (102) is provided on the other side of the main housing (1) away from the first chamber (101), a first motor (9) is provided in the second chamber (102), a drive shaft of the first motor (9) is arranged transversely and passes through the groove-shaped station, and a tire clamp (2) is provided on the drive shaft of the first motor (9) located in the groove-shaped station; The two tire clamps (2) work together to clamp and fix the tire; A third chamber (103) is provided in the main housing (1) below the groove-shaped station. A pull rod displacement sensor (12) capable of moving laterally is provided in the third chamber (103). The pull rod portion of the pull rod displacement sensor (12) passes upward into the groove-shaped station and contacts the outer cylindrical surface of the tire located in the groove-shaped station.

2. The automobile tire roundness detection device according to claim 1, characterized in that: A limit plate (4) is provided on the splint support rod (3) located in the first chamber (101), one end of the splint support rod (3) away from the groove-shaped station passes through the outside of the main shell (1), and a spring (5) is provided on the splint support rod (3) located in the first chamber (101) and away from the groove-shaped station on the side of the limit plate (4).

3. The automobile tire roundness detection device according to claim 1, characterized in that: Bearings are provided at both ends of the first chamber (101) for the two ends of the splint support rod (3) to pass through.

4. The automobile tire roundness detection device according to claim 1, characterized in that: A movable seat (6) is provided at the bottom of the second chamber (102), a motor support (7) is fixed to the top of the movable seat (6), and the first motor (9) is fixedly mounted on the motor support (7); A horizontal rotating rod (14) passing through the movable seat (6) is provided at the bottom of the second chamber (102); a threaded section (141) is provided on the rotating rod (14), and the movable seat (6) is located on the threaded section (141).

5. The automobile tire roundness detection device according to claim 4, characterized in that: A slide groove (11) is provided on the bottom surface of the third chamber (103), a displacement sensor mounting seat (13) is provided in the slide groove (11), and the pull rod displacement sensor (12) is installed in the displacement sensor mounting seat (13); The rotating rod (14) is a hollow rod. A push rod (15) is provided in the rotating rod (14). A piston (151) is provided at the end of the push rod (15) located in the rotating rod (14). The push rod (15) passes through one end of the rotating rod (14) and extends into the third chamber (103). One end of the push rod (15) located in the third chamber (103) is fixedly connected to the displacement sensor mounting seat (13).

6. The automobile tire roundness detection device according to claim 4, characterized in that: A strip hole (10) is provided on the top surface of the third chamber (103), and the pull rod portion of the pull rod displacement sensor (12) is arranged through the strip hole (10), and the length of the strip hole (10) is not less than the length of the slide groove (11).

7. The automobile tire roundness detection device according to claim 5, characterized in that: One end of the rotating rod (14) away from the push rod (15) passes through the outside of the main housing (1), and a driven gear (16) is provided on the rotating rod (14) outside the main housing (1); A second motor (17) is fixedly provided on the outer wall of the main housing (1), and a driving gear (18) meshing with the driven gear (16) is provided on the driving shaft of the second motor (17).

8. The automobile tire roundness detection device according to claim 7, characterized in that: One end of the rotating rod (14) located outside the main housing (1) is an open end, and the outer wall of the open end is threaded; A threaded connection sleeve (19) is threadedly mounted on the open end, and a pressure oil pipe (20) is connected to the threaded connection sleeve (19).

9. The automobile tire roundness detection device according to claim 5, characterized in that: The first motor (9), the pull rod displacement sensor (12) and the second motor (17) are connected to a control panel (21) arranged on the outer wall of the main housing (1).

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