A tire positioning device in a tire pressure detection system for an automobile

By designing a tire positioning device in an automotive tire pressure detection system including a workbench, a single-arm positioning frame and a wheel body, the problems of difficult positioning and insufficient adjustability in the prior art are solved, rapid positioning and multi-dimensional adaptation are achieved, and the accuracy and reliability of tire pressure detection are improved.

CN119124446BActive Publication Date: 2025-04-25SHANGHAI Y & Y AUTOMOTIVE ELECTRONICS CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411220005.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-04-25
Estimated Expiration
2044-09-02

AI Technical Summary

Technical Problem

In the existing automotive tire pressure detection system, the tire positioning device is not easy to quickly position, and the adjustability is insufficient, making it difficult to adapt to tire specifications of different sizes.

Method used

A tire positioning device including a workbench, a single-arm positioning frame and a wheel body is designed. The identification detection camera is driven by the electric telescopic rod and the transmission rod to automatically position and move to the diameter line of the wheel body, and the position of the identification detection camera is adjusted by the moving block and the limit block to adapt to tires of different shaft diameters.

Benefits of technology

It realizes rapid positioning and multi-size adaptation, improves the accuracy and reliability of tire pressure detection, and avoids traffic accidents caused by insufficient tire pressure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119124446B_ABST
    Figure CN119124446B_ABST
Patent Text Reader

Abstract

The invention provides a tire positioning device in a tire pressure detection system for an automobile, and relates to the technical field of tire pressure detection, comprising: a workbench, a single-arm positioning frame and a wheel body; a bracket is fixedly installed on the workbench, a limiting column is fixedly installed on the outer bottom of a support arm rod, and left and right groups of single-arm positioning frames are connected together through a connecting piece; an identification detection camera of the device can automatically position and move to the diameter line of the wheel body, and the identification detection camera performs wheel edge detection around the wheel body, so as to detect the wear degree of the tire pattern of the overall outer edge contour of the wheel body while performing tire pressure detection on the bottom of the wheel body, and the positioning adjustment of the moving block enables the identification detection camera to perform positioning detection on different shaft diameters around the detection rotating rod; the problem that the device is not easy to quickly position the tire pressure detection of the vehicle tire, so as to facilitate the tire pressure detection through the identification detection camera, and the adjustability of the device needs to be improved, and it is not easy to perform corresponding adjustment and positioning according to the specifications of tires of different sizes is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of tire pressure detection, and in particular to a tire positioning device in a vehicle tire pressure detection system. Background Art

[0002] The tires of many maintenance vehicles usually do not have tire pressure monitoring function; once the vehicle is on the road with insufficient tire pressure and the staff does not find it, it is easy to cause a traffic accident. Therefore, it is particularly important to monitor the tire pressure of the inspection vehicle. When performing tire pressure testing on the vehicle, each tire needs to be positioned to perform a safe tire pressure test based on the contact area between the bottom of the tire and the bottom of the tire.

[0003] As for the tire positioning device in the existing automobile tire pressure detection system, it is not easy for the device to quickly locate the vehicle tire pressure detection to facilitate the tire pressure detection through the identification detection camera, and the adjustability of the device needs to be improved. It is not easy to adjust the positioning accordingly according to the specifications of tires of different sizes. Summary of the invention

[0004] The disclosed embodiment relates to a tire positioning device in a tire pressure detection system for an automobile, wherein an identification detection camera thereon is automatically positioned and moved to the diameter line of the wheel body, so as to detect the tire pressure by comparing the tread pressing area of ​​the bottom outer edge of the wheel body with a preset normal pressing area, and a transmission rod drives the identification detection camera to perform wheel edge detection around the wheel body, so as to detect the wear degree of the tread of the overall outer edge contour of the wheel body while detecting the tire pressure of the bottom of the wheel body, and the device positions and adjusts the moving block according to wheels of different sizes, so as to adjust the distance between the identification detection camera at the outer end of the support arm rod and the axis of the detection rotating rod, so that the identification detection camera can perform positioning detection of different shaft diameters around the detection rotating rod.

[0005] In a first aspect of the present disclosure, a tire positioning device in a vehicle tire pressure detection system is provided, specifically comprising: a workbench, a single-arm positioning frame and a wheel body;

[0006] The workbench is fixedly installed with a bracket, and a group of electric telescopic rods are respectively fixedly installed on the left and right ends of the top of the bracket, two groups of connecting frames are slidably installed on the bracket, and the inner ends of the connecting frames are fixedly installed on the transmission shaft of the electric telescopic rod, and a connecting groove is provided on the connecting frame. An alarm is also installed on the workbench, and a total of four groups of single-arm positioning frames are provided. A limited slider is fixedly installed on the top of the single-arm positioning frame, and the limited sliders on the tops of the two groups of single-arm positioning frames are respectively slidably installed on the two ends of the connecting frame, a group of moving blocks are threadedly installed on the single-arm positioning frame, and a group of positioning blocks are also slidably installed on the two ends of the single-arm positioning frame, and the inner ends of the positioning blocks are fixedly installed with positioning wedges, and the positioning blocks at both ends of the two groups of single-arm positioning frames are driven and installed together, the wheel body is placed on the workbench, and a group of transmission rods are also rotatably installed at the front ends of the two groups of single-arm positioning frames. A group of second motors are also fixedly installed on the front single-arm positioning frame, and the front end of the transmission rod is fixedly installed on the transmission shaft of the second motor. A group of detection rotating rods are also rotatably installed on the inner end of the single-arm positioning frame, and a group of mounting grooves are opened on the detection rotating rods. A group of support arm rods are slidably installed in the mounting grooves of the detection rotating rods. A group of identification and detection cameras are fixedly installed on the outer ends of the support arm rods. The detection rotating rods are respectively connected to the transmission rods for transmission. A group of limit blocks are also slidably installed on the detection rotating rods. The inner ends of the limit blocks are italic structures, and limit grooves are equidistantly opened on the side ends of the support arm rods, and the limit blocks on the detection rotating rods are plugged and installed in the limit grooves of the support arm rods. A group of limit arc plates are also fixedly installed on the inner end of the single-arm positioning frame, and a group of limit columns are fixedly installed on the outer bottom of the support arm rod. The left and right groups of single-arm positioning frames are connected together by connecting pieces.

[0007] In at least some embodiments, a group of first elastic members are respectively sleeved and mounted on the sliding rods at the inner ends of the positioning blocks, and the inner ends of the first elastic members are respectively in contact with the outer end surfaces of the connecting plates on the single-arm positioning frame.

[0008] In at least some embodiments, the connecting member is composed of a connecting sleeve and a connecting shaft, the outer end of the connecting sleeve is fixedly installed on the inner end of the left single-arm positioning frame, the outer end of the connecting shaft is fixedly installed on the inner end of the right single-arm positioning frame, and the connecting shafts are slidably installed on the inner side of the connecting sleeve.

[0009] In at least some embodiments, a group of second elastic members are sleeved and mounted on the connecting rod at the outer end of the limit block, and the outer ends of the second elastic members are in contact with the inner end surface of the upper support plate of the detection rotating rod.

[0010] In at least some embodiments, two sets of connecting plates are fixedly installed at the rear end of the single-arm positioning frame, sliding holes are opened on the connecting plates, a sliding rod is fixedly installed at the inner end of the positioning block, and the sliding rod at the inner end of the positioning block is slidably installed on the sliding hole of the connecting plate at the rear end of the single-arm positioning frame.

[0011] In at least some embodiments, an adjustment screw hole is provided on the moving block, a group of adjustment screws are rotatably installed on the single-arm positioning frame, a group of first motors are fixedly installed on the top of the single-arm positioning frame, and the adjustment screw hole on the moving block is threadedly installed on the adjustment screw of the single-arm positioning frame.

[0012] In at least some embodiments, a group of support plates are fixedly installed on the outer end of the detection rotating rod, sliding holes are opened on the support plates, a connecting rod is fixedly installed on the outer end of the limit block, and the connecting rod at the outer end of the limit block is slidably installed on the sliding holes of the support plates.

[0013] In at least some embodiments, two sets of first bevel gears are fixedly mounted on the transmission rod, a set of second bevel gears is fixedly mounted on the detection rotating rod, and the first bevel gears on the transmission rod are meshed and transmission-connected with the second bevel gears on the detection rotating rod.

[0014] In at least some embodiments, a group of guide grooves are opened inside the single-arm positioning frame, a guide block is fixedly mounted on the moving block, and the guide block on the moving block is slidably mounted on the guide grooves opened inside the single-arm positioning frame.

[0015] In at least some embodiments, a group of racks are fixedly installed on the outer end of the positioning block, a group of linkage gears are rotatably installed on the outer end of the single-arm positioning frame, and the racks on the two groups of positioning blocks are respectively meshed and transmission connected with the upper and lower ends of the linkage gears on the single-arm positioning frame.

[0016] The present invention provides a tire positioning device in a vehicle tire pressure detection system, which has the following beneficial effects:

[0017] In the present invention, the positioning block is used to enable the identification and detection camera at the outer end of the support arm rod to automatically position and move to the diameter line of the wheel body, so as to detect the tire pressure by comparing the tread pressing area of ​​the bottom outer edge of the wheel body with the preset normal pressing area; the transmission rod is used to drive the identification and detection camera to perform wheel edge detection around the wheel body, so as to detect the wear degree of the tread of the overall outer edge contour of the wheel body while detecting the tire pressure of the bottom of the wheel body, thereby improving the detection effect of the device; the connecting piece enables the single-arm positioning frames on the left and right sides to play a role of mutual connection and auxiliary positioning when positioning the wheel body, further improving the positioning effect of the device, and the moving block is cooperated with the limit block to enable the device to position and adjust the moving block according to wheels of different sizes, so as to adjust the distance between the identification and detection camera at the outer end of the support arm rod and the axis of the detection rotating rod, so that the identification and detection camera can perform positioning detection of different shaft diameters around the detection rotating rod, so that the device has better adjustability.

[0018] In addition, the sliding rod at the inner end of the positioning block is slidably installed on the sliding hole of the rear end connecting plate of the single-arm positioning frame, and under the action of the first elastic member on the sliding rod, the two groups of positioning blocks are fitted together, and the electric telescopic rod on the bracket drives the single-arm positioning frame on the same side to move from outside to inside, cooperating with the positioning wedge block at the inner end of the positioning block, and the racks on the two groups of positioning blocks are respectively meshed and connected with the upper and lower ends of the linkage gear on the single-arm positioning frame, so that when the positioning wedge block contacts the wheel body, it moves outward at the same time, and under the action of the first elastic member, the two groups of positioning blocks clamp and position the corresponding wheel body, and the center line of the single-arm positioning frame at the inner end of the two groups of positioning blocks is parallel to the diameter line in the vertical direction of the wheel body, so that the identification and detection camera at the outer end of the support arm rod is automatically positioned and moved to the diameter line of the wheel body, so as to compare the tire pressure pressing area of ​​the bottom outer edge of the wheel body with the preset normal pressing area to detect the tire pressure, so as to avoid the problem of traffic accidents caused by insufficient tire pressure on the road.

[0019] In addition, the first bevel gear on the transmission rod is meshed with the second bevel gear on the detection rotating rod. The second motor drives the detection rotating rod and the identification detection camera thereon to perform wheel edge detection around the wheel body through the transmission rod, so as to detect the tire pressure at the bottom of the wheel body while detecting the degree of wear of the tread of the overall outer edge contour of the wheel body, thereby improving the detection effect of the device and avoiding the problem that the tread of the overall outer edge contour of the wheel body seriously affects the safety of vehicle driving. The outer end of the connecting sleeve is fixedly installed on the inner end of the left single-arm positioning frame, and the outer end of the connecting shaft is fixedly installed on the inner end of the right single-arm positioning frame, and the connecting shafts are respectively slidably installed on the inner side of the connecting sleeve, so that the single-arm positioning frames on the left and right sides play a role of mutual connection and auxiliary positioning when positioning the wheel body, thereby further improving the positioning effect of the device.

[0020] In addition, the guide block on the moving block is slidably installed on the guide groove opened inside the single-arm positioning frame, the adjusting screw hole on the moving block is threadedly installed on the adjusting screw of the single-arm positioning frame, and according to the wheel bodies of different sizes, the first motor can drive the moving block to move up and down through the adjusting screw, and the connecting rod at the outer end of the limit block is slidably installed on the sliding hole of the support plate, and the inner end of the limit block is an italic structure. The limit arc plate at the inner end of the single-arm positioning frame limits the limit column on the outer side of the support arm rod in the up and down directions. When the moving block moves, the limit block moves outward. When the moving block moves to the required position, the limit block moves inward under the action of the second elastic member on the connecting rod, and the limit block on the detection rotating rod is inserted and installed in the limit groove of the support arm rod, so that the device can position and adjust the moving block according to wheels of different sizes to adjust the distance between the identification and detection camera at the outer end of the support arm rod and the axis of the detection rotating rod, so that the identification and detection camera can perform positioning detection of different shaft diameters around the detection rotating rod, so that the device has better adjustability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0022] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0023] In the attached picture:

[0024] Figure 1 It is a front axial schematic diagram of a tire positioning device in a tire pressure detection system for an automobile of the present invention.

[0025] Figure 2 It is a top view schematic diagram of a tire positioning device in a vehicle tire pressure detection system of the present invention.

[0026] Figure 3 The invention is a schematic diagram of the installation of a support arm of a tire positioning device in a tire pressure detection system for an automobile.

[0027] Figure 4 The invention discloses a cross-sectional schematic diagram of a transmission rod of a tire positioning device in a tire pressure detection system for an automobile.

[0028] Figure 5 The invention discloses a cross-sectional schematic diagram of a single-arm positioning frame of a tire positioning device in a tire pressure detection system for an automobile.

[0029] Figure 6 The present invention is a schematic diagram of the top installation of a single-arm positioning frame of a tire positioning device in a vehicle tire pressure detection system.

[0030] Figure 7 The invention is a schematic diagram of the installation of the outer end of the positioning block of the tire positioning device in the automobile tire pressure detection system of the present invention.

[0031] Figure 8 The present invention is a schematic diagram of disassembling and assembling a positioning block of a tire positioning device in a tire pressure detection system for an automobile.

[0032] Reference numerals list

[0033] 1. Workbench; 101. Bracket; 102. Electric telescopic rod; 1021. Connecting frame; 1022. Connecting slot; 2. Single-arm positioning frame; 201. Guide slot; 2011. Adjusting screw; 2012. First motor; 202. Moving block; 2021. Adjusting screw hole; 2022. Guide block; 2023. Second motor; 203. Linkage gear; 204. Positioning block; 2041. Positioning wedge; 2042. Rack; 2043. Sliding rod; 2044. First elastic Part; 205, connecting plate; 206, transmission rod; 2061, first bevel gear; 207, detection rotating rod; 2071, second bevel gear; 2072, mounting groove; 2073, support plate; 2074, limit block; 2075, connecting rod; 2076, second elastic member; 208, limit arc plate; 3, wheel body; 4, support arm; 401, identification and detection camera; 402, limit groove; 403, limit column; 5, connecting part; 501, connecting sleeve; 502, connecting shaft. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example 1: Please refer to Figures 1 to 8 As shown:

[0036] The present invention provides a tire positioning device in an automobile tire pressure detection system, comprising a workbench 1, a single-arm positioning frame 2 and a wheel body 3;

[0037] A bracket 101 is fixedly installed on the workbench 1, and a group of electric telescopic rods 102 are fixedly installed on the left and right ends of the top of the bracket 101, respectively. Two groups of connecting frames 1021 are slidably installed on the bracket 101, and the inner ends of the connecting frames 1021 are fixedly installed on the transmission shaft of the electric telescopic rod 102. A connecting groove 1022 is opened on the connecting frame 1021. An alarm is also installed on the workbench 1. There are four groups of single-arm positioning frames 2. A limited slider is fixedly installed on the top of the single-arm positioning frame 2, and two groups of single-arm positioning frames 1021 are provided. The limiting sliders at the top of the frame 2 are slidably installed at the two ends of the connecting frame 1021, and a group of moving blocks 202 are threadedly installed on the single-arm positioning frame 2. A group of positioning blocks 204 are also slidably installed at both ends of the single-arm positioning frame 2. The inner ends of the positioning blocks 204 are fixedly installed with positioning wedges 2041, and the positioning blocks 204 at both ends of the two groups of single-arm positioning frames 2 are driven and installed together. The wheel body 3 is placed on the workbench 1, and the front ends of the two groups of single-arm positioning frames 2 are also rotatably installed with a group of transmission rods 206. The front side single-arm positioning frame 2 is also fixedly installed with a second motor 2023, and the front end of the transmission rod 206 is fixedly installed on the transmission shaft of the second motor 2023. The inner end of the single-arm positioning frame 2 is also rotatably installed with a group of detection rotating rods 207, and a group of mounting grooves 2072 are opened on the detection rotating rod 207. A group of support arm rods 4 are slidably installed in the mounting grooves 2072 of the detection rotating rod 207. A group of identification detection cameras 401 are fixedly installed on the outer ends of the support arm rods 4. The detection rotating rods 207 are respectively connected to the transmission rods 206 for transmission. The detection rotating rod 207 is also slidably installed with a group of limit blocks 2074, the inner end of the limit block 2074 is an italic structure, and the side end of the support arm rod 4 is equidistantly provided with limit grooves 402, and the limit blocks 2074 on the detection rotating rod 207 are plugged and installed in the limit grooves 402 of the support arm rod 4, and the inner end of the single-arm positioning frame 2 is also fixedly installed with a group of limit arc plates 208, and the outer bottom of the support arm rod 4 is fixedly installed with a group of limit columns 403, and the left and right groups of single-arm positioning frames 2 are connected together by a connecting piece 5.

[0038] Among them, Figure 7 and Figure 8As shown, a group of racks 2042 are fixedly installed on the outer end of the positioning block 204, a group of linkage gears 203 are rotatably installed on the outer end of the single-arm positioning frame 2, and the racks 2042 on the two groups of positioning blocks 204 are respectively meshed and connected with the upper and lower ends of the linkage gears 203 on the single-arm positioning frame 2, and two groups of connecting plates 205 are fixedly installed on the rear end of the single-arm positioning frame 2, and sliding holes are opened on the connecting plates 205. The inner end of the positioning block 204 is fixedly installed with a sliding rod 2043, and the positioning block 20 The slide bar 2043 at the inner end of the positioning block 204 is slidably mounted on the slide hole of the rear end connecting plate 205 of the single-arm positioning frame 2, and a group of first elastic members 2044 are respectively sleeved and mounted on the slide bar 2043 at the inner end of the positioning block 204, and the inner ends of the first elastic members 2044 are respectively in contact with the outer end surfaces of the connecting plate 205 on the single-arm positioning frame 2; specifically, the slide bar 2043 at the inner end of the positioning block 204 is slidably mounted on the slide hole of the rear end connecting plate 205 of the single-arm positioning frame 2, and the first elastic members 2044 are respectively sleeved and mounted on the slide bar 2043. Under the action of an elastic member 2044, the two groups of positioning blocks 204 fit together, and the electric telescopic rod 102 on the bracket 101 drives the single-arm positioning frame 2 on the same side to move from outside to inside, and cooperates with the positioning wedge 2041 at the inner end of the positioning block 204, and the racks 2042 on the two groups of positioning blocks 204 are respectively meshed and connected with the upper and lower ends of the linkage gear 203 on the single-arm positioning frame 2, so that when the positioning wedge 2041 contacts the wheel body 3, it moves outward at the same time, and under the action of the first elastic member 2044, the two groups of positioning blocks 204 clamp and position the corresponding wheel body 3, and the center line of the single-arm positioning frame 2 at the inner end of the two groups of positioning blocks 204 is parallel to the diameter line in the vertical direction of the wheel body 3, so that the identification detection camera 401 at the outer end of the support arm rod 4 is automatically positioned and moved to the diameter line of the wheel body 3, so as to compare the tire pressure pressing area of ​​the bottom outer edge of the wheel body 3 with the preset normal pressing area to detect the tire pressure, so as to avoid the problem that the vehicle with insufficient tire pressure is easy to cause traffic accidents on the road.

[0039] Embodiment 2: Based on Embodiment 1, wherein Figure 3 and Figure 6As shown, two groups of first bevel gears 2061 are fixedly installed on the transmission rod 206, and a group of second bevel gears 2071 is fixedly installed on the detection rotating rod 207, and the first bevel gear 2061 on the transmission rod 206 is meshed and transmitted with the second bevel gear 2071 on the detection rotating rod 207, and the connecting member 5 is composed of a connecting sleeve 501 and a connecting shaft 502, the outer end of the connecting sleeve 501 is fixedly installed on the inner end of the left single-arm positioning frame 2, the outer end of the connecting shaft 502 is fixedly installed on the inner end of the right single-arm positioning frame 2, and the connecting shaft 502 is slidably installed on the inner side of the connecting sleeve 501; specifically, the first bevel gear 2061 on the transmission rod 206 is meshed and transmitted with the second bevel gear 2071 on the detection rotating rod 207, and the second motor 20 23 drives the detection rotating rod 207 and the identification detection camera 401 thereon to detect the wheel edge around the wheel body 3 through the transmission rod 206, so as to detect the tire pressure at the bottom of the wheel body 3 and the wear degree of the tread of the overall outer edge contour of the wheel body 3 at the same time, thereby improving the detection effect of the device and avoiding the problem that the wear of the tread of the overall outer edge contour of the wheel body 3 seriously affects the safety of driving. The outer end of the connecting sleeve 501 is fixedly installed on the inner end of the left single-arm positioning frame 2, and the outer end of the connecting shaft 502 is fixedly installed on the inner end of the right single-arm positioning frame 2, and the connecting shaft 502 is respectively slidably installed on the inner side of the connecting sleeve 501, so that the left and right single-arm positioning frames 2 can play a role of mutual connection and auxiliary positioning when positioning the wheel body 3, thereby further improving the positioning effect of the device.

[0040] In the embodiments of the present disclosure, Figures 3 to 5As shown, a group of guide grooves 201 are provided inside the single-arm positioning frame 2, a guide block 2022 is fixedly installed on the moving block 202, and the guide block 2022 on the moving block 202 is slidably installed on the guide groove 201 provided inside the single-arm positioning frame 2, an adjustment screw hole 2021 is provided on the moving block 202, a group of adjustment screws 2011 are rotatably installed on the single-arm positioning frame 2, a group of first motors 2012 are fixedly installed on the top of the single-arm positioning frame 2, and the adjustment screw holes 2021 on the moving block 202 are threadedly installed on the adjustment screws 2011 of the single-arm positioning frame 2, and the outer surface of the detection rod 207 A group of support plates 2073 are fixedly installed at the end, and a sliding hole is opened on the support plate 2073. A connecting rod 2075 is fixedly installed on the outer end of the limit block 2074, and the connecting rod 2075 at the outer end of the limit block 2074 is slidably installed on the sliding hole of the support plate 2073. A group of second elastic members 2076 are sleeved and installed on the connecting rod 2075 at the outer end of the limit block 2074, and the outer end of the second elastic member 2076 contacts the inner end surface of the support plate 2073 on the detection rotating rod 207; Specifically, the guide block 2022 on the moving block 202 is slidably installed on the guide groove 201 opened inside the single-arm positioning frame 2 The adjusting screw hole 2021 on the moving block 202 is threadedly installed on the adjusting screw 2011 of the single-arm positioning frame 2. According to the different sizes of the wheel body 3, the first motor 2012 can drive the moving block 202 to move up and down through the adjusting screw 2011. The connecting rod 2075 at the outer end of the limit block 2074 is slidably installed on the sliding hole of the support plate 2073. The inner end of the limit block 2074 is an italic structure. The limit arc plate 208 at the inner end of the single-arm positioning frame 2 limits the limit column 403 on the outer side of the support arm rod 4 in the up and down directions. When the moving block 202 moves up and down, the limit block 2074 moves outward. When the moving block 202 moves to the desired position, under the action of the second elastic member 2076 on the connecting rod 2075, the limit block 2074 moves inward, and the limit block 2074 on the detection rotating rod 207 is inserted and installed in the limit groove 402 of the support arm rod 4, so that the device can position and adjust the moving block 202 according to the wheel body 3 of different sizes, so as to adjust the distance between the identification and detection camera 401 at the outer end of the support arm rod 4 and the axis of the detection rotating rod 207, so that the identification and detection camera 401 can perform positioning detection of different shaft diameters around the detection rotating rod 207, so that the device has better adjustability.

[0041] Specific usage and function of this embodiment: In the present invention, the electric telescopic rod 102 drives the single-arm positioning frame 2 on the same side to move from outside to inside, and cooperates with the positioning wedge 2041 at the inner end of the positioning block 204, so that when the positioning wedge 2041 contacts the wheel body 3, it moves outward at the same time, and under the action of the first elastic member 2044, the two groups of positioning blocks 204 clamp and position the corresponding wheel body 3, and the center line of the single-arm positioning frame 2 at the inner end of the two groups of positioning blocks 204 is parallel to the diameter line in the vertical direction of the wheel body 3, so that the recognition detection camera at the outer end of the support arm rod 4 The device 401 automatically positions and moves to the diameter line of the wheel body 3, so as to detect the tire pressure by comparing the tire tread pressing area of ​​the bottom outer edge of the wheel body 3 with the preset normal pressing area; the second motor 2023 drives the detection rotating rod 207 and the identification detection camera 401 thereon to detect the wheel edge around the wheel body 3 through the transmission rod 206, so as to detect the wear degree of the tire tread of the overall outer edge contour of the wheel body 3 while detecting the tire pressure at the bottom of the wheel body 3, thereby improving the detection effect of the device, and the connecting shaft 502 is slidably installed on the inner side of the connecting sleeve 501 respectively, so that The single-arm positioning frames 2 on the left and right sides play the role of mutual connection and auxiliary positioning when positioning the wheel body 3, further improving the positioning effect of the device; according to the wheel body 3 of different sizes, the first motor 2012 can drive the moving block 202 to move up and down by adjusting the screw 2011, and the limiting arc plate 208 at the inner end of the single-arm positioning frame 2 limits the limiting column 403 on the outer side of the support arm rod 4 in the up and down directions. When the moving block 202 moves up and down, the limiting block 2074 moves outward. When the moving block 202 moves to the desired position, the connecting Under the action of the second elastic member 2076 on the connecting rod 2075, the limit block 2074 moves inward, and the limit block 2074 on the detection rotating rod 207 is inserted and installed in the limit groove 402 of the support arm rod 4, so that the device can position and adjust the moving block 202 according to the wheel body 3 of different sizes, so as to adjust the distance between the identification and detection camera 401 at the outer end of the support arm rod 4 and the axis of the detection rotating rod 207, so that the identification and detection camera 401 can perform positioning detection of different axial diameters around the detection rotating rod 207, so that the device has better adjustability.

Claims

1. A tire positioning device in a vehicle tire pressure detection system, characterized in that: It comprises a workbench (1), a single-arm positioning frame (2) and a wheel body (3); The workbench (1) is fixedly mounted with a bracket (101), and a group of electric telescopic rods (102) are fixedly mounted on the left and right ends of the top of the bracket (101), respectively; two groups of connecting frames (1021) are slidably mounted on the bracket (101), and the inner ends of the connecting frames (1021) are fixedly mounted on the transmission shaft of the electric telescopic rod (102), and the connecting frames (1021) are provided with connecting grooves (1022); an alarm is also mounted on the workbench (1); a total of four groups of single-arm positioning frames (2) are provided, and a limiting slider is fixedly mounted on the top of the single-arm positioning frames (2), and the limiting sliders on the tops of the two groups of single-arm positioning frames (2) are slidably mounted on the two ends of the connecting frames (1021), and a group of moving blocks (2) are threadedly mounted on the single-arm positioning frames (2). 02), a group of positioning blocks (204) are slidably installed at both ends of the single-arm positioning frame (2), a positioning wedge (2041) is fixedly installed at the inner end of the positioning block (204), and the positioning blocks (204) at both ends of the two groups of single-arm positioning frames (2) are driven and installed together, the wheel body (3) is placed on the workbench (1), and a group of transmission rods (206) are rotatably installed at the front ends of the two groups of single-arm positioning frames (2), and a group of second motors (2023) are fixedly installed on the front side single-arm positioning frame (2), and the front end of the transmission rod (206) is fixedly installed on the transmission shaft of the second motor (2023), and a group of detection rotating rods (207) are rotatably installed at the inner end of the single-arm positioning frame (2), and a group of mounting grooves ( 2072), a group of support arm rods (4) are slidably installed in the installation groove (2072) of the detection rotating rod (207), a group of identification detection cameras (401) are fixedly installed on the outer ends of the support arm rods (4), the detection rotating rods (207) are respectively connected to the transmission rods (206) in a transmission manner, and a group of limit blocks (2074) are also slidably installed on the detection rotating rods (207), the inner ends of the limit blocks (2074) are italic structures, and the side ends of the support arm rods (4) are equidistantly provided with limit grooves (402), and the limit blocks (2074) on the detection rotating rods (207) are plugged and installed in the limit grooves (402) of the support arm rods (4), and a group of limit arc plates (208) are also fixedly installed on the inner ends of the single-arm positioning frame (2), and the outer bottom of the support arm rods (4) is fixedly connected to the outer bottom of the support arm rods (4). A group of limiting columns (403) are fixedly installed, and the left and right groups of single-arm positioning frames (2) are connected together through a connecting piece (5); two groups of connecting plates (205) are fixedly installed at the rear end of the single-arm positioning frame (2), and sliding holes are opened on the connecting plates (205); a sliding rod (2043) is fixedly installed on the inner end of the positioning block (204), and the sliding rod (2043) at the inner end of the positioning block (204) is slidably installed on the sliding hole of the connecting plate (205) at the rear end of the single-arm positioning frame (2); a group of first elastic members (2044) are respectively sleeved and installed on the sliding rod (2043) at the inner end of the positioning block (204), and the inner ends of the first elastic members (2044) are respectively in contact with the outer end surfaces of the connecting plates (205) on the single-arm positioning frame (2).

2. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: A set of racks (2042) are fixedly mounted on the outer end of the positioning block (204), a set of linkage gears (203) are rotatably mounted on the outer end of the single-arm positioning frame (2), and the racks (2042) on the two sets of positioning blocks (204) are respectively meshed and transmission-connected with the upper and lower ends of the linkage gears (203) on the single-arm positioning frame (2).

3. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: Two groups of first bevel gears (2061) are fixedly mounted on the transmission rod (206), and one group of second bevel gears (2071) is fixedly mounted on the detection rotating rod (207), and the first bevel gears (2061) on the transmission rod (206) are meshed and transmission-connected with the second bevel gears (2071) on the detection rotating rod (207).

4. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: The connecting member (5) is composed of a connecting sleeve (501) and a connecting shaft (502), wherein the outer end of the connecting sleeve (501) is fixedly mounted on the inner end of the left single-arm positioning frame (2), and the outer end of the connecting shaft (502) is fixedly mounted on the inner end of the right single-arm positioning frame (2), and the connecting shaft (502) is slidably mounted on the inner side of the connecting sleeve (501).

5. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: A group of guide grooves (201) are provided inside the single-arm positioning frame (2), a guide block (2022) is fixedly mounted on the moving block (202), and the guide block (2022) on the moving block (202) is slidably mounted on the guide grooves (201) provided inside the single-arm positioning frame (2).

6. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: The moving block (202) is provided with an adjustment screw hole (2021), a group of adjustment screw rods (2011) are rotatably mounted on the single-arm positioning frame (2), a group of first motors (2012) are fixedly mounted on the top of the single-arm positioning frame (2), and the adjustment screw hole (2021) on the moving block (202) is threadedly mounted on the adjustment screw rod (2011) of the single-arm positioning frame (2).

7. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: A group of support plates (2073) are fixedly installed on the outer end of the detection rotating rod (207), and a sliding hole is opened on the support plate (2073). A connecting rod (2075) is fixedly installed on the outer end of the limit block (2074), and the connecting rod (2075) at the outer end of the limit block (2074) is slidably installed on the sliding hole of the support plate (2073).

8. The tire positioning device in the automobile tire pressure detection system according to claim 1, characterized in that: A group of second elastic members (2076) are sleeved and installed on the connecting rod (2075) at the outer end of the limit block (2074), and the outer end of the second elastic member (2076) is in contact with the inner end surface of the upper support plate (2073) of the detection rotating rod (207).

Citation Information

Patent Citations

  • Clamping device and carrying device of automobile tire

    CN106836916A

  • Vehicle tire monitoring device

    CN217505227U