CN116124636A - Automobile tire detection device - Google Patents
Automobile tire detection device Download PDFInfo
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- CN116124636A CN116124636A CN202310031518.0A CN202310031518A CN116124636A CN 116124636 A CN116124636 A CN 116124636A CN 202310031518 A CN202310031518 A CN 202310031518A CN 116124636 A CN116124636 A CN 116124636A
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- tire
- detection
- driving
- fixedly connected
- rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/021—Tyre supporting devices, e.g. chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention relates to the technical field of tire detection, in particular to an automobile tire detection device, which comprises: the tire detection bracket is fixedly connected to the ground; the two lifting devices are respectively and fixedly connected to the two opposite sides of the tire detection bracket; the two ends of the connecting bracket are respectively connected with the lifting ends of the two lifting devices; the tire driving device is arranged on the connecting bracket and is used for driving at least two tires connected to the connecting bracket, and a tire detection module is arranged on the connecting bracket and above the tires; the abrasion detection table is connected to the lower part of the tire detection bracket and is positioned right below the tire; the controller and the display are arranged on the tire detection support, and the controller is respectively and electrically connected with the tire detection module and the display. The contact force between tires with different diameters and the abrasion detection table can be adjusted by adjusting the lifting device; and two or more tires are synchronously detected, so that the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of quality detection in an automobile tire production process, in particular to an automobile tire detection device.
Background
Currently, it is counted that 46% of traffic accidents occurring on highways are caused by tire failures. Obviously, the hidden danger of the tire quality becomes an 'first killer' in traffic accidents. Quality inspection techniques for use in tire manufacturing processes are also becoming increasingly important. The conventional tire detecting device has the following problems: usually, single tire detection is performed, and the detection efficiency is low; 2. the height of the tire mounting part is usually fixed, and the height of the tire is inconvenient to adjust according to the requirement.
Disclosure of Invention
The invention provides an automobile tire detection device which is used for solving at least one of the problems set forth in the background art.
In order to solve the technical problems, the invention discloses an automobile tire detection device, which comprises:
the tire detection support is fixedly connected to the ground;
the two lifting devices are respectively and fixedly connected to the two opposite sides of the tire detection bracket;
the two ends of the connecting bracket are respectively connected with the lifting ends of the two lifting devices;
the tire driving device is arranged on the connecting bracket and is used for driving at least two tires connected to the connecting bracket, and a tire detection module is arranged on the connecting bracket and above the tires;
The abrasion detection table is connected to the lower part of the tire detection bracket and is positioned right below the tire;
the controller and the display are arranged on the tire detection support, and the controller is respectively and electrically connected with the tire detection module and the display.
Preferably, the lower end of the connecting bracket is further connected with a tire mounting device, and the tire mounting device comprises: a first leg and a second leg;
the first supporting leg is connected to the left side of the connecting bracket;
the second support legs are arranged on the right side of the first support legs, the second support legs are vertically connected with the lower ends of the connecting brackets, the second support legs are sequentially arranged at intervals from left to right, and the second support legs are both rotationally connected with the tire rotating shaft;
a tire is arranged between the first second supporting leg and the second supporting leg, and another tire is arranged between the third second supporting leg and the fourth second supporting leg;
the tire driving device is arranged on the middle connecting plate between the third second supporting leg and the fourth second supporting leg, and is a servo driving motor which is used for driving the tire rotating shaft to rotate.
Preferably, the tire detection module includes: the installation block is provided with an infrared ranging sensor and a first camera device which are respectively and electrically connected with the controller; the mounting block is fixedly connected with the connecting bracket.
Preferably, the lifting device includes: the device comprises a driving motor, a vertical screw rod, a vertical guide rail and a screw rod sliding block;
the vertical guide rail is fixedly connected to one side of the tire detection bracket; the driving motor is fixedly connected to the upper end of the vertical guide rail; the shaft end of the driving motor is connected with a vertical screw rod, and the vertical screw rod is rotationally connected with the tire detection bracket; and the vertical screw is provided with a screw slide block which is in sliding connection with the vertical guide rail.
Preferably, the method further comprises: the braking device is arranged on one side of the tire driving device and is arranged on the middle connecting plate; the braking device is a disc brake.
Preferably, a soapy water detection groove is formed in the lower portion of the tire detection support;
auxiliary roller brackets are arranged on the front side and the rear side of the wear detection table, and auxiliary rollers are connected to the auxiliary roller brackets.
Preferably, the abrasion detecting table is a multifunctional detecting table, and the multifunctional detecting table comprises:
the mounting seat is provided with a first chamber in the middle;
the device comprises a table body, wherein the lower end of the table body is fixedly connected with a first connecting seat, and a spiral water pipe is embedded at the upper end of the first connecting seat;
The two groups of limiting and communicating structures are arranged in the mounting seat and symmetrically arranged at the left side and the right side of the first cavity, and the limiting and communicating structures are used for connecting the first connecting seat with a first water inlet which is limited and communicated with the left part or the right part of the first connecting seat;
the two groups of driving connection structures are arranged in the mounting seat and correspond to the two groups of limiting and communicating structures one by one;
the fixed end of the vertical telescopic driving piece is fixedly connected with the inner wall of the lower end of the first cavity;
the first horizontal connecting rod is fixedly connected with the telescopic end of the vertical telescopic driving piece, and the vertical telescopic driving piece drives the two groups of driving connection structures to work through the first horizontal connecting rod.
Preferably, the limiting and communicating structure comprises: the second chamber comprises a horizontal chamber and a vertical chamber, and the vertical chamber is communicated with one side of the horizontal chamber, which is close to the first connecting seat; the sealing plate is connected inside the vertical chamber in a sliding manner along the up-down direction, and a first spring is fixedly connected between the lower end of the sealing plate and the inner wall of the lower end of the vertical chamber; the support limiting block is fixedly connected to one side, close to the first connecting seat, of the sealing plate, penetrates through one side, close to the first connecting seat, of the vertical chamber, and the lower end of the first connecting seat is used for being supported at the upper end of the support limiting block; the water tank is in sliding connection with the inside of the horizontal chamber, the right end of the water tank is connected with a water outlet rod, and one end, far away from the water tank, of the water outlet rod is used for being connected into the first water inlet; the second horizontal connecting rod is fixedly connected to one end, far away from the water outlet rod, of the water tank, and an arc-shaped bulge is arranged at one end, far away from the water tank, of the second horizontal connecting rod; two ends of the spring II are fixedly connected with the inner wall of the water tank and the horizontal chamber respectively;
The drive connection structure includes: the third chamber is arranged in the mounting seat and is positioned at one side of the second chamber away from the first chamber, and the arc-shaped bulge is positioned in the third chamber; the driving matching block is connected in the third cavity in a sliding manner along the up-down direction, one side of the driving matching block, which is close to each other, is provided with a driving inclined plane, and the height of one side, which is close to each other, of the two driving inclined planes is higher than the height of one side, which is far away from each other, of the two driving inclined planes; the driving matching rod penetrates through the lower end of the third cavity in a sliding mode along the up-down direction, the upper end of the driving matching rod is fixedly connected with the lower end of the driving matching block, and the lower end of the driving matching rod is fixedly connected with one upper end of the horizontal connecting rod.
Preferably, the multifunctional inspection station further comprises:
two groups of auxiliary structures are symmetrically arranged at the left side and the right side of the upper end of the mounting seat; the auxiliary structure comprises: the fixed box is fixedly connected to the left side or the right side of the upper end of the mounting seat, and the table body is positioned between the two fixed boxes; the lower end of the horizontal connecting rod III is connected with the inner wall of the lower end of the fixed box in a sliding way along the left-right direction through a first sliding block; the fixed end of the horizontal telescopic driving piece is fixedly connected with the inner wall of the fixed box, and the telescopic end of the horizontal telescopic driving piece is fixedly connected with the first sliding block or the horizontal connecting rod; the auxiliary block is fixedly connected to the three upper ends of the horizontal connecting rods, an auxiliary inclined plane is arranged on one side, close to each other, of the auxiliary block, and the height of one side, close to each other, of the auxiliary inclined plane is lower than that of one side, away from each other, of the auxiliary inclined plane; the fixed block is fixedly connected to the inner wall of the front side or the rear side of the fixed box; the lifting rod penetrates through the fixed block in a sliding manner, the upper end of the lifting rod is fixedly connected with a first mounting plate, and the upper end of the first mounting plate is fixedly connected with a first detector; the second mounting plate is arranged at one end of the horizontal connecting rod, which is close to the three phases, and is used for mounting the second detector, the upper end of the fixed box is provided with a first detector inlet and a second detector inlet, and the side wall of the fixed box is provided with a second detector inlet and a second detector outlet; the auxiliary rod is fixedly connected to the lower end of the lifting rod, one side of the auxiliary rod is provided with an auxiliary ball, and the auxiliary ball is connected to the auxiliary inclined plane in a sliding manner.
Preferably, each of the first leg and the second leg includes: the tire rotating shaft is rotatably connected with the lower fixed support leg; the upper fixed support leg is fixedly connected with the lower end of the connecting support, the upper fixed support leg is connected with the lower fixed support leg through an elastic connecting piece, and a plurality of loading devices are further arranged at the lower end of the connecting support and are used for applying loading force to the lower fixed support leg; the surface of the abrasion detection table is provided with a concrete test area or an asphalt road test area;
the automobile tire detecting device further includes:
a rotation speed sensor for detecting the rotation speed of the tire rotation shaft;
the force detection device is used for detecting the loading force of the loading device on the lower fixed support leg;
the distance detection device is used for detecting the vertical distance between the axle center of the tire rotating shaft and the concrete test area or the asphalt road test area;
the image pick-up device is used for acquiring the actual surface image of the tire after the driving device works for a preset time length N;
an image processing device electrically connected to the image pickup device, the image processing device comprising: the segmentation module is used for dividing the actual surface image of the tire after the driving device works for a preset time length N into M actual sub-images; the storage module is used for storing M standard sub-images divided by the standard surface image of the tire after the driving device works for a preset time length N;
The controller, alarm one, alarm two, the controller is connected with pressure detection device, distance detection device, camera device, image processing device, alarm one, alarm two electricity respectively, the controller is based on pressure detection device, distance detection device, camera device, image processing device control alarm one, alarm two work, include:
calculating a first evaluation coefficient P based on the distance detection device, and controlling the alarm I to work by the controller when the first evaluation coefficient P is smaller than a first preset value;
h is the detection value of the distance detection device in the working process of the driving device, and H is 0 The reference value of the vertical distance between the axis of the tire rotating shaft corresponding to G and the concrete test area or the asphalt road test area is given, and G is the acting force between the contact surface of the single tire and the concrete test area or the asphalt road test area;
when the first alarm does not alarm, calculating a wear evaluation coefficient Q based on a rotation speed sensor, a camera device, an image processing device and a formula (2), and when the wear evaluation coefficient Q is not in a preset reference evaluation coefficient range, controlling the second alarm by a controller;
v is the reference wear volume of the tire after the driving device works for a preset period of time N, A is the wear coefficient of the tire and a concrete test area or an asphalt road test area, B is the radius of the tire, pi takes a value of 3.14, N is the detection value of a rotation speed sensor, and D is the Brinell hardness of the tire; k (K) i The similarity between the ith actual sub-image and the standard sub-image is obtained; f (F) 2 For the maximum loading force exerted on the 2 second legs adjacent to the left and right sides of the tire, F 1 2 second adjacent to the left and right sides of the tyreThe minimum loading force to which the leg is subjected, Σf 3 Maximum value of the sum of the loading forces on the left or right side of the tire; sigma F 0 A minimum value of the sum of the loading forces on the left or right side of the tire; omega 1 And omega 2 The first adjusting coefficient and the second adjusting coefficient are respectively, and e is a natural constant; ln is the natural logarithm.
The beneficial effects of the invention are as follows: and in the detection link in the tire production process, the tire detection support is used for providing support for the whole detection device. The lifting device connected with the tire detection support provides the realization of up-and-down reciprocating movement, the height of the tire from the abrasion detection table is adjusted, and as the height of the abrasion detection table is fixed during detection, the contact between tires with different diameters and the abrasion detection table can be facilitated by adjusting the lifting device, and the contact force between the tires and the abrasion detection table can be adjusted; the tire driving device operates to drive the tire rotating shaft to rotate, and the tire rotating shaft rotates to drive the two tires to synchronously rotate. According to the technical scheme, two or more tires can be synchronously detected, a plurality of abrasion detection tables can be arranged at the same time, or the abrasion detection tables and the soapy water detection groove are arranged, so that different synchronous detection is realized, the two or more tires are synchronously detected, and the detection efficiency is improved. The invention solves the problems that: the conventional tire detecting device has the following problems: 1. usually, single tire detection is performed, and the detection efficiency is low; 2. the height of the tire mounting part is usually fixed, and the height of the tire is inconvenient to adjust according to the requirement.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of an embodiment of an automobile tire testing device according to the present invention;
FIG. 2 is a schematic view of an auxiliary roller and wear detection table of the present invention;
FIG. 3 is a schematic view of a tire of the present invention positioned in a soapy water detection tank;
FIG. 4 is a schematic structural view of a multifunctional inspection bench according to the present invention;
fig. 5 is an enlarged view of the structure at a in fig. 4.
In the figure: 1. a connecting bracket; 2. a lifting device; 21. a driving motor; 22. a vertical screw; 23. a vertical guide rail; 24. a screw rod sliding block; 3. a wear detection stage; 31. a mounting base; 32. a table body; 33. a first connection base; 34. a first water inlet; 35. a vertical telescopic driving piece; 36. a first horizontal connecting rod; 37. a first spring; 38. a first chamber; 39. a second chamber; 310. a sealing plate; 311. a supporting limiting block; 312. a water tank; 313. a water outlet rod; 314. a horizontal connecting rod II; 315. a third chamber; 316. driving the matching block; 317. driving the mating rod; 318. a fixed box; 319. a first slider; 320. a horizontal telescopic driving member; 321. an auxiliary block; 322. an auxiliary inclined plane; 323. a fixed block; 324. a lifting rod; 325. a second mounting plate; 326. a first mounting plate; 327. an auxiliary lever; 328. an auxiliary ball; 329. a horizontal connecting rod III; 4. a soapy water detection tank; 5. a first leg; 6. a second leg; 7. a tire; 8. a tire rotation shaft; 9. a middle connecting plate; 10. a mounting block; 11. a tire detection bracket; 12. a braking device; 13. a servo drive motor; 14. an auxiliary roller bracket; 15. and an auxiliary roller.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Embodiment 1, as shown in fig. 1, the present invention discloses an automobile tire detecting device, comprising:
A tire detecting bracket 11, wherein the tire detecting bracket 11 is fixedly connected to the ground;
the two lifting devices 2 are respectively and fixedly connected to two opposite sides of the tire detecting bracket 11;
the two ends of the connecting bracket 1 are respectively connected with the lifting ends of the two lifting devices 2;
the tire driving device is arranged on the connecting bracket 1 and is used for driving at least two tires 7 connected to the connecting bracket 1, and a tire detection module is arranged on the connecting bracket 1 and above the tires 7;
a wear detection table 3 connected to the lower part of the tire detection bracket 11, and the wear detection table 3 is located directly below the tire 7; the abrasion detecting table 3 may refer to a conventional friction block for tire detection;
the controller and the display are arranged on the tire detecting bracket 11, and the controller is respectively and electrically connected with the tire detecting module and the display.
Optionally, the lower end of the connecting bracket 1 is further connected with a tire mounting device, and the tire mounting device includes: a first leg 5, 5 second legs 6;
the first supporting leg 5 is connected to the left side of the connecting bracket 1;
the second supporting legs 6 are arranged on the right side of the first supporting legs 5, the second supporting legs 6 are vertically connected with the lower end of the connecting bracket 1, the 5 second supporting legs 6 are sequentially arranged at intervals from left to right, and the second supporting legs 6 are rotationally connected with the tire rotating shaft 8;
A tire 7 is arranged between the first second supporting leg 6 and the second supporting leg 6, and another tire 7 is arranged between the third second supporting leg 6 and the fourth second supporting leg 6;
the tire driving device is arranged on the middle connecting plate 9 between the third second supporting leg 6 and the fourth second supporting leg 6, the tire driving device is a servo driving motor 13, and the servo driving motor 13 is used for driving the tire rotating shaft 8 to rotate.
Optionally, the lifting device 2 includes: a drive motor 21, a vertical screw 22, a vertical guide rail 23 and a screw slider 24;
the vertical guide rail 23 is fixedly connected to one side of the tire detecting bracket 11; the driving motor 21 is fixedly connected to the upper end of the vertical guide rail 23; the shaft end of the driving motor 21 is connected with a vertical screw rod 22, and the vertical screw rod 22 is rotationally connected with the tire detecting bracket 11; the vertical screw 22 is provided with a screw slide block 24, and the screw slide block 24 is in sliding connection with the vertical guide rail 23. During operation, the driving motors 21 at the tops of the two lifting devices 2 rotate together to drive the vertical screw rods 22 to rotate, and then the vertical screw rods 22 drive the screw rod sliding blocks 24 to slide up and down along the vertical guide rails 23, the connecting support 1 is fixedly connected with the screw rod sliding blocks 24, and the lifting of the connecting support 1 is realized along with the vertical sliding of the screw rod sliding blocks 24.
Optionally, the method further comprises: a braking device is arranged on one side of the tire driving device and is arranged on the middle connecting plate 9; the brake device 12 is a disc brake. The disc brake in the detection device is responsible for braking the tyre rotating shaft 8, and the abrasion detection test of the surface braking state of the tyre 7 is completed.
Two tires 7 are shown, a plurality of tires 7 may be provided, such as a plurality of tires 7 may be provided between the second leg 6 and the third leg 6, or the number of the second legs 6 may be increased, and the tires 7 may be provided between the adjacent second legs 6;
the working principle and the beneficial effects of the technical scheme are as follows: the tire 7 is produced in the process of detection, and the tire detection support 11 is used for providing support for the whole detection device. The lifting device 2 connected with the tire detecting bracket 11 provides the realization of the up-and-down reciprocating movement, the height of the tire 7 from the abrasion detecting table 3 is adjusted, and the contact force between the tire 7 and the abrasion detecting table 3 can be adjusted by adjusting the lifting device 2 due to the fact that the height of the abrasion detecting table 3 is fixed during detection, and the tires 7 with different diameters can be conveniently contacted with the abrasion detecting table 3; the tire driving device operates to drive the tire rotating shaft 8 to rotate, and the tire rotating shaft 8 rotates to drive the two tires 7 to synchronously rotate. The technical scheme realizes synchronous detection of two or more tires 7, and can also simultaneously set a plurality of wear detection tables 3, or set the wear detection tables 3 and a soapy water detection tank 4 below to realize synchronous detection of different types of detection, and the synchronous detection of the two or more tires 7 improves the detection efficiency.
The invention solves the problems that: the conventional tire detecting device has the following problems: 1. typically, a single tire 7 is detected, and the detection efficiency is low; 2. the height of the tire 7 is usually fixed, and it is inconvenient to adjust the height of the tire 7 as needed.
The tire detection module is used for detecting the tire in the tire rotation process or before and after the tire rotation test, and displaying the detection result through the display.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 2 and 3, optionally, the tire detection module includes: the installation block 10 is provided with an infrared ranging sensor and a first camera device, and the infrared ranging sensor and the first camera device are respectively and electrically connected with the controller; the mounting block 10 is fixedly connected with the connecting bracket 1.
The lower part of the tire detecting bracket 11 is provided with a soapy water detecting groove 4;
The working principle and the beneficial effects of the technical scheme are as follows: a tire detection module (can be arranged on the inner side of the adjacent second supporting leg according to the requirement) is arranged above the two tires 7, and when the tires 7 are stationary and not rotating, the image pickup device in the tire detection module obtains the image information of the stationary state of the tires 7, including the appearance size, the transverse width and the surface tire pattern of the tires 7, and can be used for detecting the appearance quality of the tires 7; the distance measuring sensor in the tire detecting module detects the depth of the footprint on the surface of the tire 7 (the distance of the distance measuring sensor from the target position on the surface of the tire can be measured, and the tire size can be detected). The surface of the abrasion detection table 3 is distributed with a concrete test area or an asphalt road test area, which is mainly used for simulating the abrasion influence of different road conditions of a concrete road surface and an asphalt road surface on the surface of the tire 7, and recording the abrasion states of the two road surfaces through a camera device and a ranging sensor; the tire 7 is immersed in the soapy water detection tank 4, the tire 7 is rotated for one circle to complete the air tightness detection, and whether air bubbles exist on the surface of the tire 7 is recorded by the camera device. The auxiliary rollers 15 located at the front and rear of the inspection table are attached to the surface of the tire 7, preventing radial deflection and runout caused by loading force or other reasons when the tire 7 rotates.
the mounting seat 31, a first cavity 38 is arranged in the middle of the mounting seat 31;
the platform body 32, the lower extreme fixedly connected with first connecting seat 33 of the said platform body 32, the upper end of the said first connecting seat 33 inlays and has helical water pipes; wherein the spiral water pipe can be connected with a water pump;
the two sets of limiting and communicating structures are arranged in the mounting seat 31 and symmetrically arranged at the left side and the right side of the first cavity 38, and the limiting and communicating structures are used for connecting the first connecting seat 33 with the first water inlet 34 of the left part or the right part of the first connecting seat 33;
two groups of driving connection structures are arranged in the mounting seat 31, and the two groups of driving connection structures correspond to the two groups of limiting and communicating structures one by one;
the fixed end of the vertical telescopic driving piece 35 is fixedly connected with the inner wall of the lower end of the first cavity 38;
the first horizontal connecting rod 36 is fixedly connected with the telescopic end of the vertical telescopic driving piece 35, and the vertical telescopic driving piece 35 drives the two groups of driving connecting structures to work through the first horizontal connecting rod 36.
The limiting and communicating structure comprises: the second chamber 39 comprises a horizontal chamber and a vertical chamber, and the vertical chamber is communicated with one side of the horizontal chamber, which is close to the first connecting seat 33; the sealing plate 310 is connected inside the vertical chamber in a sliding manner along the up-down direction, and a first spring 37 is fixedly connected between the lower end of the sealing plate 310 and the inner wall of the lower end of the vertical chamber; the supporting limiting block 311 is fixedly connected to one side, close to the first connecting seat 33, of the sealing plate 310, the supporting limiting block 311 penetrates through one side, close to the first connecting seat 33, of the vertical chamber, and the lower end of the first connecting seat 33 is used for being supported at the upper end of the supporting limiting block 311; the water tank 312 is slidably connected inside the horizontal chamber, the right end of the water tank 312 is connected with a water outlet rod 313, and one end of the water outlet rod 313 away from the water tank 312 is used for being connected into the first water inlet 34; the second horizontal connecting rod 314 is fixedly connected to one end, far away from the water outlet rod 313, of the water tank 312, and an arc-shaped protrusion is arranged at one end, far away from the water tank 312, of the second horizontal connecting rod 314; two ends of the spring II are fixedly connected with the water tank 312 and the inner wall of the horizontal chamber respectively;
The drive connection structure includes: a third chamber 315 disposed in the mounting seat 31, and the third chamber 315 is located at a side of the second chamber 39 away from the first chamber 38, and the arc-shaped protrusion is located in the third chamber 315; the driving matching block 316 is slidably connected in the third chamber 315 along the up-down direction, a driving inclined plane is arranged at one side of the driving matching block 316, which is close to each other, and the height of one side of the two driving inclined planes, which is close to each other, is higher than the height of one side of the two driving inclined planes, which is far away from each other; the driving matching rod 317 penetrates through the lower end of the third cavity 315 in a sliding manner along the up-down direction, the upper end of the driving matching rod 317 is fixedly connected with the lower end of the driving matching block 316, and the lower end of the driving matching rod 317 is fixedly connected with the upper end of the horizontal connecting rod 36. The vertical telescopic driving piece can be a vertical electric telescopic rod;
the working principle and the beneficial effects of the technical scheme are as follows:
in the initial state, the sealing plate 310 is sealed at one end of the water outlet rod 313 far away from the water tank 312, so that the water outlet rod 313 is sealed; the upper end of the first connecting seat 33 is integrally fixed with the table bodies 32 with different sizes and/or the table bodies 32 with different materials (different road surfaces can be arranged at the upper end of the table body 32), when different table bodies 32 are installed, the lower end of the first connecting seat 33 at the lower end of the table body 32 is pressed on the supporting limiting block 311, meanwhile, the vertical telescopic driving piece 35 is controlled to shrink downwards, under the action of the gravity of the table body 32 and the first connecting seat 33, the supporting limiting block 311 moves downwards to reach a limiting position, and at the moment, the sealing plate 310 moves downwards to open the water outlet rod 313; the vertical telescopic driving piece 35 contracts downwards to drive the first horizontal connecting rod 36, the driving matching rod 317 and the driving matching block 316 to move downwards, the driving inclined plane drives the two arc-shaped protrusions to be close to each other, so that the two horizontal connecting rods 314 are close to each other, the horizontal connecting rods drive the two water outlet rods 313 to be close to each other through the water tank 312, the water outlet rods 313 are inserted into the corresponding first water inlets 34, water in the water tank 312 enters the spiral water pipe through the water outlet rods 313 and the first water inlets 34, the water tank 312 can be provided with a temperature adjusting device to adjust water temperature, the temperature of the table body 32 is adjusted through different water temperatures of the spiral water pipe, the abrasion state of the tire 7 is simulated when the table body 32 with different temperatures is simulated, and the water outlet rods 313 are inserted into the water outlets to realize integral lateral limiting on the table body 32 and the first connecting seat 33. The technical scheme realizes the sealing and opening of the water outlet rod 313, the water level adjustment of the table body 32, the integral limit of the table body 32 and the connecting seat, and the better function of the table body 32, and has the advantage of multiple functions.
two groups of auxiliary structures symmetrically arranged at the left and right sides of the upper end of the mounting seat 31; the auxiliary structure comprises: the fixed boxes 318 are fixedly connected to the left side or the right side of the upper end of the mounting seat 31, and the table body 32 is positioned between the two fixed boxes 318; the lower end of the horizontal connecting rod III 329 is connected with the inner wall of the lower end of the fixed box 318 in a sliding way along the left-right direction through a first sliding block 319; the fixed end of the horizontal telescopic driving piece 320 is fixedly connected with the inner wall of the fixed box 318, and the telescopic end of the horizontal telescopic driving piece 320 is fixedly connected with the first sliding block 319 or the horizontal connecting rod III 329; the auxiliary block 321 is fixedly connected to the upper end of the horizontal connecting rod III 329, an auxiliary inclined plane 322 is arranged on one side, close to each other, of the auxiliary block 321, and the height of one side, close to each other, of the auxiliary inclined plane 322 is lower than that of one side, away from each other, of the auxiliary inclined plane 322; a fixing block 323 fixedly connected to the inner wall of the front side or the rear side of the fixing case 318; the lifting rod 324 penetrates through the fixed block 323 in a sliding manner, the upper end of the lifting rod 324 is fixedly connected with the first mounting plate 326, and the upper end of the first mounting plate 326 is fixedly connected with the first detector; the second mounting plate 325 is mounted at one end of the third horizontal connecting rod 329, which is close to each other, the second mounting plate 325 is used for mounting the second detector, the upper end of the fixed box 318 is provided with a first detector inlet and outlet, and the side wall of the fixed box 318 is provided with a second detector inlet and outlet (which can be provided with a openable sealing door); the auxiliary rod 327 is fixedly connected to the lower end of the lifting rod 324, an auxiliary ball 328 is arranged on one side of the auxiliary rod 327, and the auxiliary ball 328 is slidably connected to the auxiliary inclined plane 322.
The working principle and beneficial effects of the technical scheme are as follows: in the initial state, the first detector and the second detector are both accommodated in the fixed box 318, so that protection can be realized; when the platform 32 moves down to the limit position and is limited, the lifting device 2 can be controlled to work, so that the tire 7 contacts with the upper end of the platform 32, then the horizontal telescopic driving piece 320 is controlled to extend to drive the horizontal connecting rod III 329 to move, so that the detector II on the mounting plate II 325 extends out of the fixed box 318, the auxiliary block 321 on the horizontal connecting rod III 329 is close to each other, the lifting rod 324 moves upwards through the cooperation of the auxiliary inclined surface 322 and the auxiliary ball 328, the detector I on the mounting plate I326 is driven to extend out of the fixed box 318, the detector I and the detector II can be set as different devices for detecting the tire 7, such as a camera, the detector II can be set as a distance sensor or a force sensor arranged on one side, including the sensor mounting plate and the sensor mounting plate, close to the tire 7 (such as moving the horizontal connecting rod III to the force sensor to contact the surface of the tire 7), and the offset state of the tire 7 can be judged according to the comparison of the detection value of the detector II and the standard value. According to the technical scheme, the first detector and the second detector in different directions can be simultaneously stretched out of the fixed box 318 to be detected or stored in the fixed box 318 through one driving device, and the control is convenient.
the automobile tire detecting device further includes:
a rotation speed sensor for detecting the rotation speed of the tire rotation shaft 8;
the force detection device is used for detecting the loading force of the loading device on the lower fixed support leg;
distance detecting means for detecting a vertical distance of an axial center of the tire rotation shaft 8 from the concrete test area or the asphalt road test area;
the image pickup device is used for acquiring actual surface images of the tire 7 after the driving device works for a preset time period N;
an image processing device electrically connected to the image pickup device, the image processing device comprising: the segmentation module is used for dividing the actual surface image of the tire 7 after the driving device works for a preset time length N into M actual sub-images; the storage module is used for storing M standard sub-images divided by the standard surface image of the tire 7 after the driving device works for a preset time length N;
The controller, alarm one, alarm two, the controller is connected with pressure detection device, distance detection device, camera device, image processing device, alarm one, alarm two electricity respectively, the controller is based on pressure detection device, distance detection device, camera device, image processing device control alarm one, alarm two work, include:
calculating a first evaluation coefficient P based on the distance detection device, and controlling the alarm I to work by the controller when the first evaluation coefficient P is smaller than a first preset value;
h is the detection value of the distance detection device in the working process of the driving device, and H is 0 The reference value of the vertical distance between the axis of the tire rotating shaft corresponding to G and the concrete test area or the asphalt road test area is given, and G is the acting force between the contact surface of the single tire and the concrete test area or the asphalt road test area;
when the first alarm does not alarm, calculating a wear evaluation coefficient Q based on a rotation speed sensor, a camera device, an image processing device and a formula (2), and when the wear evaluation coefficient Q is not in a preset reference evaluation coefficient range, controlling the second alarm by a controller;
v is the reference wear volume of the tire after the driving device works for a preset period of time N, A is the wear coefficient of the tire and a concrete test area or an asphalt road test area, B is the radius of the tire, pi takes a value of 3.14, N is the detection value of a rotation speed sensor, and D is the Brinell hardness value of the tire; k (K) i The similarity between the ith actual sub-image and the standard sub-image is obtained; f (F) 2 For the maximum loading force exerted on the 2 second legs adjacent to the left and right sides of the tire, F 1 Sigma F is the minimum loading force applied to the 2 second legs adjacent to the left and right sides of the tire 3 Maximum value of the sum of the loading forces on the left or right side of the tire; sigma F 0 A minimum value of the sum of the loading forces on the left or right side of the tire; omega 1 And omega 2 Respectively a first regulating coefficient and a second regulating coefficient (the value is more than 0 and less than 1, according to the corresponding
And
importance setting of) e is a natural constant; ln is the natural logarithm.
The working principle and the beneficial effects of the technical scheme are as follows: by loading the tire, the wear state of the tire under different loading force states can be simulated; the rotating speed and the loading force of the tire rotating shaft and the vertical distance between the axle center of the tire rotating shaft and the concrete test area or the asphalt road test area are obtained in real time in the loading detection process, and after the driving device works for a preset time period, the actual surface image of the tire 7 after the preset time period N is obtained; the controller controls the first alarm and the second alarm to work based on the pressure detection device, the distance detection device, the camera device and the image processing device, and specifically:
Calculating a first evaluation coefficient P based on a distance detection device, wherein the vertical distance between the axis of the tire rotating shaft and a concrete test area or an asphalt road test area reflects the compression state of the tire, and when the compression state is abnormal, an alarm gives an alarm to remind a inspector by comparing the actual compression state with the theoretical compression state;
when the alarm is not used, a wear evaluation coefficient Q is calculated based on a rotation speed sensor, an image pickup device, an image processing device and a formula (2), and the reference wear volume of the tire after the preset working time period N is compared with the actual wear volume
And based on the load balance status of the left and right sides +.>
Comparing the actual abrasion image with the standard abrasion image, and comprehensively evaluating the reliability of abrasion detection; and when the evaluation is abnormal, the alarm II alarms to remind the inspector to adjust the detection state.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. An automobile tire detecting device, characterized by comprising:
The tire detection support (11), the said tire detection support (11) is fixedly connected to ground;
the two lifting devices (2) are respectively and fixedly connected to two opposite sides of the tire detection bracket (11);
the two ends of the connecting bracket (1) are respectively connected with the lifting ends of the two lifting devices (2);
the tire driving device is arranged on the connecting bracket (1) and is used for driving at least two tires (7) connected to the connecting bracket (1), and a tire detection module is arranged on the connecting bracket (1) and above the tires (7);
the abrasion detection table (3) is connected to the lower part of the tire detection bracket (11), and the abrasion detection table (3) is positioned right below the tire (7);
the controller and the display are arranged on the tire detection bracket (11), and the controller is respectively and electrically connected with the tire detection module and the display.
2. The automobile tire testing device of claim 1, wherein: the tire mounting device is also connected with the lower end of the connecting bracket (1), and the tire mounting device comprises: a first supporting leg (5) and 5 second supporting legs (6);
the first supporting leg (5) is connected to the left side of the connecting bracket (1);
the second support legs (6) are arranged on the right side of the first support legs (5), the second support legs (6) are vertically connected with the lower ends of the connecting brackets (1), the 5 second support legs (6) are sequentially arranged at intervals from left to right, and the second support legs (6) are rotationally connected with the tire rotating shafts (8);
One tire (7) is arranged between the first second supporting leg (6) and the second supporting leg (6), and the other tire (7) is arranged between the third second supporting leg (6) and the fourth second supporting leg (6);
the tire driving device is arranged on the middle connecting plate (9) between the third second supporting leg (6) and the fourth second supporting leg (6), the tire driving device is a servo driving motor (13), and the servo driving motor (13) is used for driving the tire rotating shaft (8) to rotate.
3. The automobile tire testing device of claim 1, wherein: the tire detection module includes: the mounting block (10) is provided with an infrared ranging sensor and a first camera device, and the infrared ranging sensor and the first camera device are respectively and electrically connected with the controller; the mounting block (10) is fixedly connected with the connecting bracket (1).
4. An automobile tyre detection device according to claim 1, characterized in that said lifting device (2) comprises: the device comprises a driving motor (21), a vertical screw (22), a vertical guide rail (23) and a screw slider (24);
the vertical guide rail (23) is fixedly connected to one side of the tire detection bracket (11); the driving motor (21) is fixedly connected to the upper end of the vertical guide rail (23); the shaft end of the driving motor (21) is connected with a vertical screw rod (22), and the vertical screw rod (22) is rotationally connected with the tire detection bracket (11); the vertical screw (22) is provided with a screw slide block (24), and the screw slide block (24) is in sliding connection with the vertical guide rail (23).
5. An automobile tire testing device according to claim 2, wherein: further comprises: a braking device is arranged on one side of the tire driving device and is arranged on the middle connecting plate (9); the braking device (12) is a disc brake.
6. The automobile tire testing device of claim 1, wherein:
the lower part of the tire detection bracket (11) is provided with a soapy water detection groove (4);
auxiliary roller brackets (14) are arranged on the front side and the rear side of the abrasion detection table (3), and auxiliary rollers (15) are connected to the auxiliary roller brackets (14).
7. The automobile tire testing device of claim 6, wherein: the abrasion detection table (3) is a multifunctional detection table, and the multifunctional detection table comprises:
the mounting seat (31), the middle part of the mounting seat (31) is provided with a first cavity (38);
the novel water heater comprises a table body (32), wherein a first connecting seat (33) is fixedly connected to the lower end of the table body (32), and a spiral water pipe is embedded at the upper end of the first connecting seat (33);
the two groups of limiting and communicating structures are arranged in the mounting seat (31) and symmetrically arranged at the left side and the right side of the first cavity (38), and the limiting and communicating structures are used for connecting the first connecting seat (33) with a first water inlet (34) at the left part or the right part of the first connecting seat (33);
The two groups of driving connection structures are arranged in the mounting seat (31) and correspond to the two groups of limiting and communicating structures one by one;
the fixed end of the vertical telescopic driving piece (35) is fixedly connected with the inner wall of the lower end of the first cavity (38);
the first horizontal connecting rod (36), the first horizontal connecting rod (36) is fixedly connected with the telescopic end of the vertical telescopic driving piece (35), and the vertical telescopic driving piece (35) drives the two groups of driving connecting structures to work through the first horizontal connecting rod (36).
8. The automobile tire testing device of claim 7, wherein:
the limiting and communicating structure comprises: the second chamber (39) comprises a horizontal chamber and a vertical chamber, and the vertical chamber is communicated with one side of the horizontal chamber, which is close to the first connecting seat (33); the sealing plate (310) is connected inside the vertical chamber in a sliding manner along the up-down direction, and a first spring (37) is fixedly connected between the lower end of the sealing plate (310) and the inner wall of the lower end of the vertical chamber; the support limiting block (311) is fixedly connected to one side, close to the first connecting seat (33), of the sealing plate (310), the support limiting block (311) penetrates through one side, close to the first connecting seat (33), of the vertical chamber, and the lower end of the first connecting seat (33) is used for being supported at the upper end of the support limiting block (311); the water tank (312) is slidably connected inside the horizontal chamber, the right end of the water tank (312) is connected with a water outlet rod (313), and one end, far away from the water tank (312), of the water outlet rod (313) is used for being connected into the first water inlet (34); the second horizontal connecting rod (314) is fixedly connected to one end, far away from the water outlet rod (313), of the water tank (312), and an arc-shaped bulge is arranged at one end, far away from the water tank (312), of the second horizontal connecting rod (314); two ends of the spring II are fixedly connected with the water tank (312) and the inner wall of the horizontal chamber respectively;
The drive connection structure includes: the third chamber (315) is arranged in the mounting seat (31), the third chamber (315) is positioned on one side of the second chamber (39) away from the first chamber (38), and the arc-shaped bulge is positioned in the third chamber (315); the driving matching block (316) is connected in the third cavity (315) in a sliding manner along the up-down direction, a driving inclined plane is arranged on one side of the driving matching block (316) which is close to each other, and the height of one side of the two driving inclined planes which is close to each other is higher than the height of one side of the two driving inclined planes which is far away from each other; the driving matching rod (317) penetrates through the lower end of the third cavity (315) in a sliding mode along the up-down direction, the upper end of the driving matching rod (317) is fixedly connected with the lower end of the driving matching block (316), and the lower end of the driving matching rod (317) is fixedly connected with the upper end of the horizontal connecting rod I (36).
9. An automobile tire testing device according to claim 7 or 8, wherein: the multifunctional inspection station further includes:
two groups of auxiliary structures symmetrically arranged at the left and right sides of the upper end of the mounting seat (31); the auxiliary structure comprises: the fixed boxes (318) are fixedly connected to the left side or the right side of the upper end of the mounting seat (31), and the table body (32) is positioned between the two fixed boxes (318); the lower end of the horizontal connecting rod III (329) is connected with the inner wall of the lower end of the fixed box (318) in a sliding way along the left-right direction through a first sliding block (319); the fixed end of the horizontal telescopic driving piece (320) is fixedly connected with the inner wall of the fixed box (318), and the telescopic end of the horizontal telescopic driving piece (320) is fixedly connected with the first sliding block (319) or the horizontal connecting rod III (329); the auxiliary block (321) is fixedly connected to the upper end of the horizontal connecting rod III (329), an auxiliary inclined surface (322) is arranged on one side, close to each other, of the auxiliary block (321), and the height of one side, close to each other, of the auxiliary inclined surface (322) is lower than the height of one side, away from each other, of the auxiliary inclined surface (322); the fixed block (323) is fixedly connected to the inner wall of the front side or the rear side of the fixed box (318); the lifting rod (324) penetrates through the fixed block (323) in a sliding manner, the upper end of the lifting rod (324) is fixedly connected with a first mounting plate (326), and the upper end of the first mounting plate (326) is fixedly connected with a first detector; the second mounting plate (325) is mounted at one end of the third horizontal connecting rod (329) close to each other, the second mounting plate (325) is used for mounting the second detector, the upper end of the fixed box (318) is provided with a first detector inlet and a second detector outlet, and the side wall of the fixed box (318) is provided with a second detector inlet and a second detector outlet; the auxiliary rod (327) is fixedly connected to the lower end of the lifting rod (324), an auxiliary ball (328) is arranged on one side of the auxiliary rod (327), and the auxiliary ball (328) is slidably connected to the auxiliary inclined plane (322).
10. An automobile tire testing device according to claim 2, wherein: the first leg (5) and the second leg (6) each comprise: the tire rotating shaft (8) is rotationally connected with the lower fixed support leg; the upper fixed support leg is fixedly connected with the lower end of the connecting support (1), the upper fixed support leg is connected with the lower fixed support leg through an elastic connecting piece, the lower end of the connecting support (1) is also provided with a plurality of loading devices, and the loading devices are used for applying loading force to the lower fixed support leg; the surface of the abrasion detection table (3) is provided with a concrete test area or an asphalt road test area;
the automobile tire detecting device further includes:
a rotation speed sensor for detecting the rotation speed of the tire rotation shaft (8);
the force detection device is used for detecting the loading force of the loading device on the lower fixed support leg;
the distance detection device is used for detecting the vertical distance between the axle center of the tire rotating shaft (8) and the concrete test area or the asphalt road test area;
the image pick-up device is used for acquiring actual surface images of the tire (7) after the driving device works for a preset time length N;
an image processing device electrically connected to the image pickup device, the image processing device comprising: the segmentation module is used for dividing the actual surface image of the tire (7) after the driving device works for a preset time length N into M actual sub-images; the storage module is used for storing M standard sub-images divided by the standard surface image of the tire (7) after the driving device works for a preset time length N;
The controller, alarm one, alarm two, the controller is connected with pressure detection device, distance detection device, camera device, image processing device, alarm one, alarm two electricity respectively, the controller is based on pressure detection device, distance detection device, camera device, image processing device control alarm one, alarm two work, include:
calculating a first evaluation coefficient P based on the distance detection device, and controlling the alarm I to work by the controller when the first evaluation coefficient P is smaller than a first preset value;
h is the detection value of the distance detection device in the working process of the driving device, and H is 0 The reference value of the vertical distance between the axis of the tire rotating shaft corresponding to G and the concrete test area or the asphalt road test area is given, and G is the acting force between the contact surface of the single tire and the concrete test area or the asphalt road test area;
when the first alarm does not alarm, calculating a wear evaluation coefficient Q based on a rotation speed sensor, a camera device, an image processing device and a formula (2), and when the wear evaluation coefficient Q is not in a preset reference evaluation coefficient range, controlling the second alarm by a controller;
v is the reference wear volume of the tire after the driving device works for a preset period of time N, A is the wear coefficient of the tire and a concrete test area or an asphalt road test area, B is the radius of the tire, pi takes a value of 3.14, N is the detection value of a rotation speed sensor, and D is the Brinell hardness of the tire; k (K) i The similarity between the ith actual sub-image and the standard sub-image is obtained; f (F) 2 For the maximum loading force exerted on the 2 second legs adjacent to the left and right sides of the tire, F 1 For the left and right sides of the tyreThe minimum loading force of the adjacent 2 second legs, Σf 3 Maximum value of the sum of the loading forces on the left or right side of the tire; sigma F 0 A minimum value of the sum of the loading forces on the left or right side of the tire; omega 1 And omega 2 The first adjusting coefficient and the second adjusting coefficient are respectively, and e is a natural constant; ln is the natural logarithm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310031518.0A CN116124636A (en) | 2023-01-06 | 2023-01-06 | Automobile tire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310031518.0A CN116124636A (en) | 2023-01-06 | 2023-01-06 | Automobile tire detection device |
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| Publication Number | Publication Date |
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| CN116124636A true CN116124636A (en) | 2023-05-16 |
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ID=86300469
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310031518.0A Pending CN116124636A (en) | 2023-01-06 | 2023-01-06 | Automobile tire detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147187A (en) * | 2023-10-30 | 2023-12-01 | 南通东来汽车用品有限公司 | Detection device for new energy automobile tire production |
| CN117571736A (en) * | 2024-01-15 | 2024-02-20 | 中路慧能检测认证科技有限公司 | Tire detecting system |
-
2023
- 2023-01-06 CN CN202310031518.0A patent/CN116124636A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147187A (en) * | 2023-10-30 | 2023-12-01 | 南通东来汽车用品有限公司 | Detection device for new energy automobile tire production |
| CN117147187B (en) * | 2023-10-30 | 2023-12-26 | 南通东来汽车用品有限公司 | Detection device for new energy automobile tire production |
| CN117571736A (en) * | 2024-01-15 | 2024-02-20 | 中路慧能检测认证科技有限公司 | Tire detecting system |
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