CN118408760A - New energy automobile tire is detection platform for inner tube of a tyre - Google Patents
New energy automobile tire is detection platform for inner tube of a tyre Download PDFInfo
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- CN118408760A CN118408760A CN202410881287.7A CN202410881287A CN118408760A CN 118408760 A CN118408760 A CN 118408760A CN 202410881287 A CN202410881287 A CN 202410881287A CN 118408760 A CN118408760 A CN 118408760A
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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
- G01M17/025—Tyres using infrasonic, sonic or ultrasonic vibrations
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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
- G01M17/027—Tyres using light, e.g. infrared, ultraviolet or holographic techniques
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2846—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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Abstract
The invention relates to a detection table for a new energy automobile tire inner tube, which is applied to the technical field of inner tube quality detection. The clamping part fixes the inner tube and locally deforms the inner tube by inflation; the detection part adopts technologies such as ultrasonic detection, differential pressure measurement, deformation monitoring and the like to detect defects, mechanical property test, air tightness check, pressure resistance test and dimensional deformation detection on the inner tube; the inner tube is driven to rotate by the power wheel, and smooth transmission is realized by matching with the ball layer and the coupler. The automation degree of the detection process is high, a modularized design is adopted, and a controller coordinates all mechanisms and sensors to realize intelligent control and data analysis. The detection table integrates various key functions of inner tube quality assessment, is comprehensive, efficient and lossless in detection, improves the inner tube production efficiency, ensures the product quality and promotes performance optimization, is suitable for detecting the inner tube quality of new energy automobile tires in batch production, and has good application prospects.
Description
Technical Field
The invention relates to a detection table for a new energy automobile tire inner tube, in particular to a detection table for a new energy automobile tire inner tube, which is applied to the technical field of inner tube quality detection.
Background
With the rapid development of new energy automobile industry, higher requirements are put on the quality and performance of the tire inner tube. The inner tube is used as an important component of the tire, and the air tightness, mechanical property and durability of the inner tube directly influence the running safety and service life of the vehicle. The traditional inner tube detection method, such as manual visual inspection, hardness test and the like, has the problems of low efficiency, insufficient precision, easy omission and the like, and is difficult to meet the quality control requirements of high standards and high efficiency of the mass production of the inner tubes of the new energy automobiles.
The Chinese patent CN104913887B discloses an inner tube detection device and method, which adopts an upper die clamp, a lower die clamp and an air pressure detection device, realizes the automatic detection of the air tightness of the inner tube, and improves the detection efficiency and accuracy. But the device is mainly aimed at the air tightness detection, and does not relate to the comprehensive evaluation of other performance indexes of the inner tube.
The Chinese patent CN111323174B discloses a system and a method for detecting the tire after manufacturing and shaping, which are used for fixing and airtightly detecting the inner tube through the cooperation of a moving device and a detecting device, and can mark the leakage part so as to facilitate the subsequent maintenance. But the system has a relatively simple structure and a single detection function.
The design improves the efficiency and reliability of the inner tube detection through an automatic device, but has certain limitations, such as insufficient detection indexes, lack of nondestructive detection of inner tube defects, to-be-optimized mechanical property test modes, to-be-improved intelligent level of the detection process, and the like.
Disclosure of Invention
Aiming at the prior art, the technical problem to be solved by the invention is to provide an integrated, intelligent and comprehensive detection device and method for the comprehensive performance of the inner tube of the tire of the new energy automobile, so as to realize the efficient assessment of the quality of the inner tube.
The invention provides a detection table for a tire tube of a new energy automobile, which comprises a tire tube, wherein the outer end of the tire tube is in contact with a left clamping part and a right clamping part which are symmetrically arranged, the left clamping part and the right clamping part respectively comprise a first compression section and a second compression section which are matched with and are in contact with the outer end of the tire tube, a ball layer is arranged between the first compression section and the second compression section and the tire tube, the ball layer consists of a plurality of spherical balls, the spherical balls corresponding to the first compression section and the second compression section are respectively and rotatably connected with the first compression section and the second compression section, one end, deviating from the tire tube, of the first compression section and the second compression section is fixedly connected with a plurality of supporting rods, one end, deviating from the support plate, of the tire tube is fixedly connected with a detection fixing ring, a plurality of ultrasonic detection wheels are fixedly connected between the detection fixing ring and the third detection section, the first detection section, the second detection section and the third detection section respectively comprise a plurality of ultrasonic detection wheels, the ultrasonic detection wheels are distributed around the circumference of the outer end of the tire tube, the ultrasonic detection wheels are respectively connected with a plurality of ultrasonic detection wheels are fixedly connected with a plurality of pressure regulation piston rods, a plurality of pressure regulation piston rods are respectively, a pressure regulation piston are fixedly connected with a piston and a pressure regulation piston, and a pressure regulation piston are fixedly connected with a pressure regulation system, and a pressure regulation piston are fixedly connected with a piston, and a pressure regulation piston are respectively, and a pressure regulation piston are connected with a pressure regulation system are connected.
In the detection table for the inner tube of the new energy automobile tire, the rapid clamping and the inflation deformation of the inner tube are realized through the clamping part; the technical means of ultrasonic detection, differential pressure method, deformation detection and the like are integrated by the detection part, so that the defects, air tightness, mechanical property, pressure resistance and size of the inner tube are comprehensively detected; the power wheel and ball transmission scheme is adopted to realize the stable and controllable rotation of the inner tube; through the intelligent control system, the detection action and the data analysis are automatically coordinated, so that the detection efficiency and the result reliability are improved; the detection requirements of inner tubes with different specifications are met, and the universality is good.
As a further improvement of the application, one end of the supporting plate, which is close to the inner tube, is fixedly connected with a power fixing rod, one end of the power fixing rod, which is close to the inner tube, is fixedly connected with a power wheel supporting rod, and the top end and the bottom end of the power wheel supporting rod are both provided with sliding grooves.
As a further improvement of the application, the outer end of the inner tube is provided with a first power wheel and a second power wheel in contact, and the rotating shafts of the first power wheel and the second power wheel are respectively connected with the sliding grooves at the top end and the bottom end of the power wheel supporting rod in a sliding way.
As a further improvement of the application, the outer ends of the rotating shafts of the first power wheel and the second power wheel are in contact with one synchronous belt, the synchronous belt is made of elastic materials, the power shaft of the first power wheel penetrates through the power wheel supporting rod, and the penetrating part is connected with a motor.
As a further improvement of the application, the motor is electrically connected with the controller, one end of the motor shell close to the power wheel supporting rod is fixedly connected with a guide block, and the guide block enables the motor to slide along the power wheel supporting rod.
In addition to the further improvement of the application, the ultrasonic detection wheel rotating shaft penetrates through the adjusting piston and extends to the outer side of the adjusting piston, and a synchronous belt which can be a universal joint or a flexible coupling is selectively fixedly connected among the ultrasonic detection wheel rotating shafts on the first detection part, the second detection part and the third detection part and is used for synchronously rotating the ultrasonic detection wheels.
In addition to the improvement of the application, one end of the supporting plate far away from the inner tube is fixedly connected with a clamping cylinder, a plurality of clamping cylinders are connected with the pressure control system, and the outer ends of the clamping cylinders are fixedly connected with the same base.
As a further improvement of the application, one end of the supporting plate, which is close to the base, is fixedly connected with an anti-rotation rod, a through hole matched with the outer end of the anti-rotation rod is formed at the corresponding position of the base and the anti-rotation rod, the anti-rotation rod is in sliding connection with the base, the inner tube is filled with high-pressure gas during detection, the pressure of the adjusting cylinder on the second detecting part is smaller than that of the adjusting cylinder on the first detecting part and the third detecting part, and the part, which is close to the second detecting part, of the inner tube is protruded outwards by the high-pressure gas.
In summary, the application has the following beneficial effects:
1. Comprehensive detection; the detection table integrates a plurality of detection functions required by the quality assessment of the inner tube, including defect detection, mechanical property test, air tightness inspection, pressure resistance test, dimensional deformation detection and the like. By comprehensively utilizing technical means such as ultrasonic detection, differential pressure measurement, deformation monitoring and the like, various key performance indexes of the inner tube can be comprehensively evaluated, and the quality of the inner tube can be ensured to meet the use requirement.
2. The degree of automation is high; the detection table adopts various automatic technologies such as cylinder clamping, motor driving, automatic pressure control and the like, and realizes automatic clamping, rotation and forced deformation of the inner tube. Meanwhile, each detection parameter is automatically acquired and analyzed through the sensor, so that the detection efficiency is improved, errors caused by manual operation are reduced, and the consistency of the detection process and the reliability of the result are ensured.
3. A mechanical property test scheme; the mechanical property of the inner tube is tested through the grating ruler and the pressure sensor by utilizing the characteristic that the inner tube generates local bulge deformation at the detection part after being inflated. The method for detecting the deformation of the inner tube is skillfully utilized, and the damage to the integrity of the inner tube caused by traditional stretching, hardness testing and the like is avoided.
4. The inner tube moves steadily and reliably; the inner tube is driven to rotate by the power wheel, and the ball layer is arranged between the power wheel and the inner tube, so that the rotating stability is ensured, and the abrasion to the surface of the inner tube is avoided. The power wheel can self-adapt to the deformation of the inner tube through the elastic coupling, and the motor can slide along with the power wheel, so that the transmission flexibility is further improved, and the reliable guarantee is provided for the detection quality.
5. The practicability is strong; the detection table has the advantages of compact structure, reasonable layout, coordinated cooperation of all functional components, high automation degree and convenient operation. The clamping and positioning, inflation and deflation and rotation control of the inner tube are accurate and reliable, multiple detection is synchronously carried out, the efficiency is high, and the requirement of batch detection is met. Meanwhile, the detection is comprehensive, the result is reliable, and the quality screening and production process optimization of the inner tube can be well guided.
6. The intelligent level is high; the detection platform is characterized in that the controller uniformly schedules each actuating mechanism and each sensor, so that the intelligent control of the detection process can be realized. According to the detection requirement, parameters such as clamping force, inflation pressure, rotating speed and the like are optimized and adjusted, and the collected detection data are analyzed in real time, so that the quality level of the inner tube is automatically judged. The detection results may be stored, traced, and printed. The higher level of intelligence promotes flexibility of detection and convenience of data management.
7. The universality is good; the inner tube detection table adopts a modularized design, and each functional component can be combined or replaced according to the requirement. The detection requirement of the inner tube of the new energy automobile tire with different models and sizes can be met, and the universality is strong. The detection method and the technical scheme can be popularized and applied to the detection field of other types of tire inner tubes or airtight parts, and have certain universality.
Drawings
FIG. 1 is an overall block diagram of the present application;
FIG. 2 is a front view of the present application;
FIG. 3 is a cross-sectional view A-A of FIG. 2 in accordance with the present application;
FIG. 4 is a cross-sectional view B-B of FIG. 3 in accordance with the present application;
FIG. 5 is an enlarged view of the structure of FIG. 3C in accordance with the present application;
FIG. 6 is an enlarged view of the structure of FIG. 4D in accordance with the present application;
FIG. 7 is an overall exploded view of the present application;
FIG. 8 is a partial exploded view of the present application;
FIG. 9 is a partial exploded view of the present application;
FIG. 10 is a partial exploded view III of the present application;
Fig. 11 is an external configuration diagram of the present application.
The reference numerals in the figures illustrate:
1. A first compaction section; 2. a second compaction section; 3. a ball layer; 4. a support rod; 5. a support plate; 6. detecting a fixed ring; 7. a first detection unit; 8. a second detection unit; 9. a third detection unit; 10. an ultrasonic detection wheel; 11. an adjusting piston; 12. adjusting the cylinder barrel; 13. a power fixing rod; 14. a power wheel support rod; 15. a first power wheel; 16. a second power wheel; 17. a synchronous belt; 18. a clamping cylinder; 19. a base; 20. and a rotation preventing rod.
Detailed Description
Three embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
Fig. 1-11 illustrate.
The utility model provides a new energy automobile tire is detection platform for inner tube of a tyre, including the inner tube, inner tube outer end contact is provided with left clamping part and right clamping part that the symmetry set up, left clamping part and right clamping part all include with the inner tube outer end match and contact the first section 1 that compresses tightly 2 that set up, be equipped with ball layer 3 between first section 1 and the second section 2 that compresses tightly with the inner tube, ball layer 3 comprises a plurality of ball, and with first section 1 and second section 2 that compresses tightly that compress tightly corresponding ball respectively with first section 1 and second section 2 compress tightly, first section 1 and second section 2 that compresses tightly deviate from inner tube one end and all fixedly connected with a plurality of branch 4, a plurality of branch 4 deviate from inner tube one end fixedly connected with same backup pad 5, backup pad 5 is close to inner tube one end fixedly connected with detects solid fixed ring 6, the first detection part 7, the second detection part 8 and the third detection part 9 are fixedly connected between the detection fixing ring 6 and the inner tube, the first detection part 7, the second detection part 8 and the third detection part 9 all comprise a plurality of ultrasonic detection wheels 10, the ultrasonic detection wheels 10 are distributed around the circumference array of the outer end of the inner tube, the adjusting pistons 11 are rotationally connected in the rotating shafts of the ultrasonic detection wheels 10, one ends of the adjusting pistons 11 deviating from the ultrasonic detection wheels 10 are slidably connected with adjusting cylinders 12, the adjusting cylinders 12 are fixedly connected with the detection fixing ring 6, the adjusting cylinders 12 are connected with the same pressure control system, the pressure control system is electrically connected with a controller, the adjusting pistons 11 are provided with grating scales and pressure sensors, the ultrasonic detection wheels 10, the grating scales and the pressure sensors are electrically connected with the controller, and the inflation inlet is connected with the pressure control system.
The left clamping part and the right clamping part both comprise a first compression section 1 and a second compression section 2 which are matched with the outer end of the inner tube and are in contact with each other, and the inner tube can be firmly clamped through the matching of the first compression section 1 and the second compression section 2 with the inner tube.
A ball layer 3 is arranged between the first compression section 1, the second compression section 2 and the inner tube, and the ball layer 3 is composed of a plurality of spherical balls. The spherical balls corresponding to the first compression section 1 and the second compression section 2 are respectively in rotary connection with the first compression section 1 and the second compression section 2. In this way, when the inner tube moves between the first compression section 1 and the second compression section 2, the ball layer 3 can play a role in reducing friction and realizing stable movement.
The first compacting section 1 and the second compacting section 2 are fixedly connected with a plurality of supporting rods 4 at one end deviating from the inner tube, and the same supporting plate 5 is fixedly connected with one end deviating from the inner tube of the body of the patient. The support plate 5 functions to support and fix the clamping portion and other components.
The backup pad 5 is close to inner tube one end fixedly connected with and detects solid fixed ring 6, detects and fixedly connected with first detection portion 7, second detection portion 8 and third detection portion 9 between solid fixed ring 6 and the inner tube for detect the inner tube.
The first detection part 7, the second detection part 8 and the third detection part 9 all comprise a plurality of ultrasonic detection wheels 10, and the ultrasonic detection wheels 10 are distributed around the circumference array of the outer end of the inner tube, so that the inner tube surface can be subjected to omnibearing ultrasonic detection, and the inner tube defect can be detected.
The rotary shafts of the ultrasonic detection wheels 10 are respectively and rotatably connected with an adjusting piston 11, one end, deviating from the ultrasonic detection wheels 10, of the adjusting piston 11 is slidably connected with an adjusting cylinder barrel 12, and the adjusting cylinder barrels 12 are respectively and fixedly connected with the detection fixing ring 6. By adjusting the sliding of the piston 11 in the adjusting cylinder 12, the contact pressure between the ultrasonic detection wheel 10 and the inner tube surface can be adjusted, and the stability and reliability of detection are ensured.
The plurality of adjusting cylinders 12 are connected with the same pressure control system, and the pressure control system is electrically connected with a controller, so that the detection pressure of each detection part can be uniformly regulated and controlled.
The grating ruler and the pressure sensors are arranged on the plurality of adjusting pistons 11 and are electrically connected with the controller, so that the deformation and stress conditions of the inner tube can be monitored in real time, and the mechanical properties of the inner tube can be evaluated.
The inflation inlet of the inner tube is connected with the pressure control system, and the inflation pressure of the inner tube can be controlled through the pressure control system, so that the air tightness and pressure resistance of the inner tube are tested.
The detection platform of the embodiment can be further expanded, and a human-computer interaction interface and a data processing module are arranged in the controller, so that intelligent control of the detection process and automatic analysis, storage and output of detection results are realized.
Adopt left clamping part and right clamping part that the symmetry set up, compress tightly section 2 including first section 1 and second, can stabilize reliably the centre gripping inner tube of a tyre, set up ball layer 3 simultaneously between first section 1 and second section 2 and the inner tube of a tyre that compresses tightly, can reduce the friction between clamping part and the inner tube of a tyre, realize the steady removal and the rotation of inner tube of a tyre under the clamping state, the detection portion of being convenient for carries out the omnidirectional to the inner tube of a tyre surface and sweeps.
A plurality of ultrasonic detection wheels 10 are distributed in an array manner along the circumferential direction of the outer end of the inner tube, so that the full-coverage ultrasonic detection can be carried out on the surface of the inner tube, and internal defects such as cracks, layering and the like can be comprehensively found, and the detection rate of the defects of the inner tube is improved.
The ultrasonic detection wheel 10 is connected with the adjusting cylinder barrel 12 through the adjusting piston 11, and the contact pressure between the detection wheel and the inner tube surface can be adjusted under the control of the pressure control system, so that the ultrasonic coupling performance is ensured, and the detection precision and reliability are improved. And meanwhile, the deformation and stress conditions of all parts of the inner tube can be monitored in real time by utilizing the grating ruler and the pressure sensor on the adjusting piston 11, and the mechanical properties such as strength, rigidity and the like of the inner tube are evaluated, so that the comprehensive evaluation of the inner tube performance is realized.
The inflation port of the inner tube is connected with the pressure control system, so that the air tightness and pressure resistance of the inner tube can be conveniently tested through inflation and deflation, and the sensitivity of the air tightness detection is further improved by combining ultrasonic detection, so that the tiny leakage defect is found.
The subsequent expansion functions such as automatic clamping, power rotation, intelligent control and data management can further improve the detection efficiency, reduce the labor intensity, realize the rapid, accurate and comprehensive assessment of the inner tube performance, and meet the high-standard and high-efficiency requirements of the inner tube batch quality inspection of the new energy automobile.
The method can be widely applied to the field of production and manufacture of the inner tube of the new energy automobile, and has positive significance in the aspects of improving the quality of the inner tube, guaranteeing the running safety of the automobile, promoting the development of the new energy automobile industry and the like.
Second embodiment:
Fig. 1-11 illustrate.
The backup pad 5 is close to inner tube one end fixedly connected with power dead lever 13, and power dead lever 13 is close to inner tube one end fixedly connected with power wheel bracing piece 14, and the spout has all been seted up to power wheel bracing piece 14 top and bottom.
The outer end of the inner tube is contacted with a first power wheel 15 and a second power wheel 16, and the rotating shafts of the first power wheel 15 and the second power wheel 16 are respectively connected with sliding grooves at the top end and the bottom end of a power wheel supporting rod 14 in a sliding manner.
The outer ends of the rotating shafts of the first power wheel 15 and the second power wheel 16 are in contact with one synchronous belt 17, the synchronous belt 17 is made of elastic materials, a power shaft of the first power wheel 15 penetrates through the power wheel supporting rod 14, and a penetrating part is connected with a motor.
The motor is electrically connected with the controller, and motor housing is close to power wheel bracing piece 14 one end fixedly connected with guide block, and the guide block makes the motor slidable along power wheel bracing piece 14.
The rotating shafts of the ultrasonic detection wheels 10 penetrate through the adjusting piston 11 and extend to the outer side of the adjusting piston 11, and a synchronous belt 17 can be selectively and fixedly connected between the rotating shafts of the ultrasonic detection wheels 10 on the first detection part 7, the second detection part 8 and the third detection part 9, and the synchronous belt 17 can be a universal joint or a flexible coupling for enabling the ultrasonic detection wheels 10 to synchronously rotate.
The backup pad 5 is kept away from inner tube one end fixedly connected with centre gripping cylinder 18, and a plurality of centre gripping cylinders 18 all are connected with pressure control system, and a plurality of centre gripping cylinders 18 outer end fixedly connected with same base 19.
The backup pad 5 is close to base 19 one end fixedly connected with prevents bull stick 20, and base 19 and prevent bull stick 20 correspond the position and offer with prevent bull stick 20 outer end matched with through-hole, prevent bull stick 20 and base 19 sliding connection.
When the inner tube is detected, high-pressure gas is filled in the inner tube, the pressure of the adjusting cylinder 12 on the second detecting part 8 is smaller than the pressure of the adjusting cylinder 12 on the first detecting part 7 and the third detecting part 9, and the high-pressure gas enables the part of the inner tube, which is close to the second detecting part 8, to bulge outwards.
One end, close to the inner tube, of the supporting plate 5 is fixedly connected with a power fixing rod 13, one end, close to the inner tube, of the power fixing rod 13 is fixedly connected with a power wheel supporting rod 14, and the top end and the bottom end of the power wheel supporting rod 14 are provided with sliding grooves.
The outer end of the inner tube is contacted and provided with a first power wheel 15 and a second power wheel 16, and the rotating shafts of the first power wheel 15 and the second power wheel 16 are respectively connected with sliding grooves at the top end and the bottom end of the power wheel supporting rod 14 in a sliding way. In this way, the first power wheel 15 and the second power wheel 16 can slide up and down in the sliding groove of the power wheel supporting rod 14, adapt to the fluctuation change of the inner tube surface, keep good contact with the inner tube all the time, and drive the inner tube to rotate stably.
The outer ends of the rotating shafts of the first power wheel 15 and the second power wheel 16 are in contact with the same synchronous belt 17, and the synchronous belt 17 is made of elastic materials. The power shaft of the first power wheel 15 penetrates through the power wheel supporting rod 14, a penetrating part is connected with a motor, and the motor provides power to drive the power wheel to rotate. The synchronous belt 17 plays a role in buffering and compensating, so that the two power wheels can synchronously rotate and stably transmit power, and the synchronous belt adapts to the deformation of the inner tire surface.
The motor is electrically connected with the controller, and the rotating speed of the motor can be adjusted through the controller. One end of the motor shell, which is close to the power wheel supporting rod 14, is fixedly connected with a guide block, the guide block enables the motor to slide along the power wheel supporting rod 14 and move up and down along with the power wheel, and the power wheel and the motor are always kept coaxial, so that the power transmission is prevented from being disjointed.
The rotating shaft of the ultrasonic detection wheel 10 penetrates through the adjusting piston 11 and extends to the outer side of the adjusting piston 11, so that sensors such as an encoder and the like can be conveniently arranged on the rotating shaft of the detection wheel, and the rotating position of the inner tube can be detected. A coupling is selectively and fixedly connected between the rotating shafts of the ultrasonic detection wheels 10 on the first detection part 7, the second detection part 8 and the third detection part 9, and the coupling can be a universal joint or a flexible coupling for enabling the ultrasonic detection wheels 10 of the same detection part to synchronously rotate, keeping the detection wheels in the detection parts synchronous, and improving the scanning efficiency.
One end, far away from the inner tube, of the supporting plate 5 is fixedly connected with a clamping cylinder 18, the clamping cylinder 18 is connected with a pressure control system, and the clamping part can be driven to open and close by air pressure, so that the inner tube can be automatically clamped. The outer ends of the clamping cylinders 18 are fixedly connected with the same base 19, and support and fix the whole detection table.
The support plate 5 is fixedly connected with an anti-rotation rod 20 near one end of the base 19, a through hole matched with the outer end of the anti-rotation rod 20 is formed in the corresponding position of the base 19 and the anti-rotation rod 20, and the anti-rotation rod 20 is in sliding connection with the base 19. Thus, the anti-rotation rod 20 can slide in the through hole of the base 19, so that the support plate 5 is prevented from rotating when the clamping cylinder 18 stretches and contracts, and the stability of the position of the detection part relative to the inner tube is ensured.
During the inner tire detection, high-pressure gas is filled into the inner tire, and the pressure of the adjusting cylinder 12 on the second detection part 8 is set smaller than the pressure of the adjusting cylinder 12 on the first detection part 7 and the third detection part 9. Therefore, under the action of high pressure, the part of the inner tube, which is close to the second detection part 8, protrudes outwards, and the mechanical property of the inner tube in a stressed state can be estimated by detecting the deformation of the inner tube.
The detection table of the embodiment can be further expanded, and a damping vibration reduction device is arranged between the power wheel supporting rod 14 and the supporting plate 5, so that the influence of vibration on detection when the inner tube rotates is reduced. The flexible catching layer is arranged on the surface of the power wheel, so that the friction force between the power wheel and the inner tube is increased, and the power transmission efficiency is improved. The replaceable soft cushion layer is arranged on the contact surface of the clamping part and the inner tube, so that the damage caused by hard contact of the clamping part with the inner tube surface is avoided. And a fault diagnosis program is programmed in the controller, and the abnormal condition in the detection process is timely found and early-warned by comparing and analyzing the data acquired by each sensor.
The first power wheel 15 and the second power wheel 16 are supported by the power fixing rod 13 and the power wheel supporting rod 14, the power wheels are in sliding connection with the supporting rod through the sliding groove structure, can slide in a certain range in the radial direction of the inner tire, adapt to the profile change of the surface of the inner tire, ensure that the power wheels and the inner tire are always in good contact, stably transmit rotary power, and realize stable rotation of the inner tire.
An elastic synchronous belt 17 is arranged between the first power wheel 15 and the second power wheel 16, a shaft penetrating sliding structure is adopted between the power wheels and the motor, the asynchronism of the movement of the two power wheels can be effectively compensated, the two power wheels synchronously rotate and stably transmit the power of the motor, the deformation of the inner tube is adapted, and the power transmission efficiency is improved.
The sensor is extended and installed on the rotating shaft of the ultrasonic detection wheel 10, so that the inner tube rotating position information can be acquired in real time. The ultrasonic detection wheels 10 of the same detection part are connected through the coupler, so that synchronous rotation of the detection wheels can be realized, the scanning efficiency is improved, and the signal comparability of different positions of the same detection part is ensured.
The clamping cylinder 18 is adopted to drive the clamping part to open and close, so that the automatic clamping of the inner tube is realized, and the manual operation is reduced. The anti-rotation rod 20 is arranged on the supporting plate 5, so that the supporting plate can be prevented from rotating, and the stability of the detecting part relative to the inner tube position is ensured.
After the inner tube is filled with high-pressure gas, the pressure difference between the second detection part 8 and other detection parts is regulated to enable the inner tube to generate local bulge deformation in the detection area, and the mechanical properties such as rigidity and elastic modulus of the inner tube can be evaluated by detecting the deformation of the inner tube, so that the quality of the inner tube can be more comprehensively evaluated.
The vibration reduction and noise reduction measures are adopted at the power transmission and clamping positions, so that the running stability of the inner tube is improved; by adding a fault diagnosis function in the control, the operation reliability of the detection platform is improved, potential problems are found, the risk of detection accidents is reduced, and the system stability is improved.
The method and the device further improve the automation degree and the detection efficiency of the inner tube detection, reduce the labor intensity, expand the dimension of inner tube performance evaluation by introducing the inner tube local deformation detection, improve the inner tube defect detection rate and the accuracy of performance evaluation, and better guide the inner tube production process optimization and the product quality improvement.
Third embodiment:
Fig. 1-11 illustrate.
The method for detecting the inner tube of the tire of the new energy automobile comprises the following steps of;
s1, clamping and positioning; the control clamping cylinder 18 drives the left clamping part and the right clamping part to clamp and fix the inner tube between the first compression sections 1;
S2, inflating and deforming; filling high-pressure gas into the inner tube through a pressure control system, so that the outer end of the inner tube is in contact with ultrasonic detection wheels 10 on the first detection part 7, the second detection part 8 and the third detection part 9, and protrudes outwards at the second detection part 8;
S3, rotation detection; the first power wheel 15, the synchronous belt 17 and the second power wheel 16 are driven to rotate by the motor, so that the inner tube moves and rotates between the first compression sections 1, and meanwhile, the first detection part 7, the second detection part 8 and the third detection part 9 detect the inner tube;
S4, detecting defects; detecting the inner tube by using an ultrasonic detection wheel 10, and detecting defects such as integrity, thickness, cracks, hollows, layering and the like of the tire wall of the inner tube;
S5, detecting mechanical properties; the bulge deformation of the inner tube at the second detection part 8 is utilized, and the mechanical properties such as tensile strength, elongation at break, thermal tensile deformation rate, hardness, tearing property and the like of the inner tube are detected through a grating ruler and a pressure sensor;
S6, detecting air tightness; adopting a differential pressure method to form constant differential pressure in the inner tube, monitoring the air pressure change in the inner tube by using a grating ruler and a pressure sensor, and evaluating the sealing performance of the inner tube;
S7, pressure resistance detection; detecting the bearing capacity of the inner tube under high pressure by gradually increasing the air pressure in the inner tube to a preset value and observing whether leakage or rupture occurs;
s8, detecting the size deformation; the size and specification of the inner tube are detected, the residual deformation of the inner tube wall is measured after a fixed load is applied, and the size uniformity, the recovery capability and the shape stability of the inner tube are evaluated.
In the clamping and positioning step S1, the control system issues an instruction, and the clamping cylinder 18 pushes the left clamping part and the right clamping part to move in opposite directions, so as to fasten the inner tube clamp between the two first compression sections 1. In the clamping process, the inner tube with different sizes can be adapted by adjusting the air pressure of the clamping air cylinder 18, so that quick and automatic positioning is realized.
And (2) entering an inflation deformation step (S2), and filling high-pressure gas into the inner tube by the pressure control system, wherein the inner tube expands under the action of air pressure, and the outer surface of the inner tube is contacted with ultrasonic detection wheels 10 on the first detection part 7, the second detection part 8 and the third detection part 9. And the air pressure at the second detection part 8 is regulated to enable the inner tube to generate outwards convex deformation in the area, so that preparation is made for subsequent mechanical property detection.
And S3, starting a rotation detection step, namely starting a motor by the controller, and synchronously driving the first power wheel 15 and the second power wheel 16 to rotate by the motor through the synchronous belt 17 to drive the inner tube to rotate between the two first compression sections 1. In the rotating process, the three detection parts synchronously scan and detect the inner tube surface. The inner tube stably moves under the support of the ball layer 3, can slide along the power wheel support rod 14 to adapt to the deformation of the inner tube, and the motor slides along with the power wheel through the guide block, so that the coaxial transmission is ensured.
In the defect detection step S4, the ultrasonic detection wheel 10 emits ultrasonic waves, detects the sidewall thickness change by analyzing the reflected echo signals of the inner tube, identifies defects such as internal cracks, voids, delamination, and the like, and evaluates sidewall integrity.
And the mechanical property detection step S5 utilizes the local bulge deformation of the inner tube at the second detection part 8, measures the deformation amount through a grating ruler of the area, measures the stress condition through a pressure sensor, and evaluates the mechanical property indexes such as the tensile strength, the elongation, the hardness and the like of the inner tube by combining the deformation data and the stress data.
In the air tightness detection step S6, a constant pressure difference is applied to the inner tube, deformation and internal pressure change of the inner tube are continuously monitored through the grating ruler and the pressure sensor, and the air tightness performance of the inner tube is estimated based on the pressure attenuation data.
And step S7, gradually increasing the pressure in the inner tube to a set value through a pressure control system, observing whether abnormal deformation, cracking and gas leakage exist on the tire wall, judging the pressure bearing capacity of the inner tube under high pressure, and verifying the pressure bearing performance of the inner tube.
And the step S8 of detecting the size deformation measures the outline size of the inner tube by using the scanning data of the sensors of the detection parts, and evaluates the specification consistency of the inner tube. And under the pressure maintaining state of the inner tube, observing the residual deformation of the tire wall after a period of time, and evaluating the dimensional stability of the inner tube.
On the basis of the detection steps, a detection method can be further extended and perfected, the dynamic balance detection of the inner tire is increased, and the vibration characteristics of the inner tire under high-speed rotation are analyzed; the fatigue durability test of the inner tube is increased, the long-period use working condition is simulated, and the aging resistance of the inner tube is evaluated; and (3) establishing a large data analysis model of the inner tube performance, and optimizing inner tube design and production process parameters through mass detection data mining.
The clamping and positioning step S1 is adopted to automatically finish the clamping and fixing of the inner tube, the clamping cylinder 18 can adapt to inner tubes with different specifications, the positioning efficiency of the inner tube is improved, and the labor intensity is reduced.
And the inflation deformation step S2 utilizes the inflation deformation of the inner tube to enable the inner tube to be in close contact with the detection part, so that a foundation is laid for subsequent detection. The inner tube is controllably deformed by adjusting the local air pressure, so that the mechanical property test is facilitated, and the detection means are expanded.
And the rotation detection step S3 realizes automatic full-coverage scanning of the inner tube surface, the ball layer 3 ensures that the inner tube runs stably, and the power wheel and the motor coaxially slide to adapt to the deformation of the inner tube, so that the transmission efficiency is high. The plurality of detection parts synchronously work, so that the detection period is shortened.
The defect detection step S4 utilizes the ultrasonic detection wheel 10 to realize nondestructive detection of the inner defects of the inner tube, can comprehensively identify the fatal defects such as cracks, layering, foreign matters and the like of the tire wall, effectively screen off unqualified products, and ensure the use safety of the inner tube.
And the mechanical property detection step S5 utilizes the local deformation of the inner tube, combines the displacement measurement of the grating ruler and the stress analysis of the pressure sensor, realizes the on-line test of mechanical properties such as the stretching and the hardness of the inner tube, and expands the dimension of the performance evaluation of the inner tube.
And the air tightness detection step S6 adopts a constant pressure difference method to monitor the pressure change of the inner tube in real time, can sensitively and accurately evaluate the sealing performance of the inner tube, and quantitatively analyze the air tightness level of the inner tube.
And the pressure resistance detection step S7 comprehensively checks the pressure resistance of the inner tube by pressurizing step by step until reaching a high pressure critical value, eliminates the potential rupture risk under high pressure, and verifies the capability of the inner tube for adapting to severe use conditions.
And the step S8 of size deformation detection realizes the rapid measurement of the external size of the inner tube, and the uniformity and stability of the size are evaluated by analyzing the deformation data of the inner tube, so that the molding quality of the inner tube is comprehensively controlled.
By extending dynamic balance detection, fatigue endurance test and the like, a large data analysis model of the inner tube performance is established, so that large data support can be provided for inner tube design optimization, process parameter improvement, service life estimation and the like, and the method has a wide application prospect.
The detection method is simple to operate, high in automation degree, integrated with an omnibearing rapid assessment means for the performance of the inner tube, fully utilizes the deformation process of the inner tube, expands the test of mechanical properties, establishes a quantitative assessment system for key characteristics such as defects, air tightness and size of the inner tube, and provides a powerful test assessment means for the quality improvement and performance optimization of the inner tube of the new energy automobile.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (9)
1. The utility model provides a new energy automobile tire is detection platform for inner tube of a tyre, includes the inner tube of a tyre, its characterized in that: the outer end of the inner tube is contacted with a left clamping part and a right clamping part which are symmetrically arranged, the left clamping part and the right clamping part respectively comprise a first compression section (1) and a second compression section (2) which are matched with and contacted with the outer end of the inner tube, a ball layer (3) is arranged between the first compression section (1) and the second compression section (2) and the inner tube, the ball layer (3) is composed of a plurality of spherical balls, the spherical balls corresponding to the first compression section (1) and the second compression section (2) are respectively connected with the first compression section (1) and the second compression section (2) in a rotating way, the first compression section (1) and the second compression section (2) are respectively fixedly connected with a plurality of struts (4) deviating from one end of the inner tube, the struts (4) are respectively fixedly connected with one same supporting plate (5), one end of the supporting plate (5) is fixedly connected with a detection fixing ring (6) close to one end of the inner tube, the detection fixing ring (6) is respectively fixedly connected with a first detection part (7), a second detection part (8) and a third detection part (9) respectively, the first detection part (8) and the second detection part (8) are respectively connected with a plurality of ultrasonic detection parts (10) respectively, the ultrasonic detection parts (10) are respectively arranged around the outer ends of the rotating parts of the inner tube, the utility model discloses an ultrasonic testing wheel, including adjusting piston (11), ultrasonic testing wheel (10), adjusting cylinder (12), a plurality of adjusting cylinder (12) all with detect solid fixed ring (6) fixed connection, and a plurality of adjusting cylinder (12) are connected with same pressure control system, pressure control system electricity is connected with the controller, and a plurality of all be equipped with grating chi and pressure sensor on adjusting piston (11), a plurality of ultrasonic testing wheel (10), grating chi and pressure sensor all are connected with the controller electricity, the inner tube inflation inlet links to each other with pressure control system.
2. The detection table for the inner tube of the new energy automobile tire according to claim 1, wherein: the support plate (5) is close to one end of the inner tube and fixedly connected with a power fixing rod (13), one end of the power fixing rod (13) close to the inner tube is fixedly connected with a power wheel support rod (14), and the top end and the bottom end of the power wheel support rod (14) are both provided with sliding grooves.
3. The detection table for the inner tube of the new energy automobile tire according to claim 2, wherein: the outer end of the inner tube is in contact with a first power wheel (15) and a second power wheel (16), and rotating shafts of the first power wheel (15) and the second power wheel (16) are respectively in sliding connection with sliding grooves at the top end and the bottom end of a power wheel supporting rod (14).
4. The detection table for the inner tube of the new energy automobile tire according to claim 3, wherein: the outer end of the rotating shaft of the first power wheel (15) and the outer end of the rotating shaft of the second power wheel (16) are in contact with one synchronous belt (17), the synchronous belt (17) is made of elastic materials, a power shaft of the first power wheel (15) penetrates through the power wheel supporting rod (14), and a penetrating part is connected with a motor.
5. The detection table for the inner tube of the new energy automobile tire according to claim 4, wherein: the motor is electrically connected with the controller, a guide block is fixedly connected to one end of the motor shell, which is close to the power wheel supporting rod (14), and the guide block enables the motor to slide along the power wheel supporting rod (14).
6. The detection table for the inner tube of the new energy automobile tire according to claim 1, wherein: the ultrasonic detection wheel (10) rotating shaft penetrates through the adjusting piston (11) and extends to the outer side of the adjusting piston (11), a plurality of ultrasonic detection wheels (10) rotating shafts on the first detection part (7), the second detection part (8) and the third detection part (9) are fixedly connected with a synchronous belt (17), and the synchronous belt (17) is a universal joint or a flexible coupling and is used for enabling the ultrasonic detection wheels (10) to synchronously rotate.
7. The detection table for the inner tube of the new energy automobile tire according to claim 1, wherein: the support plate (5) is far away from the inner tube one end fixedly connected with clamping cylinder (18), and a plurality of clamping cylinders (18) are all connected with the pressure control system, and a plurality of clamping cylinders (18) outer end fixedly connected with same base (19).
8. The detection table for the inner tube of the new energy automobile tire according to claim 7, wherein: the anti-rotation rod (20) is fixedly connected to one end, close to the base (19), of the supporting plate (5), a through hole matched with the outer end of the anti-rotation rod (20) is formed in a position, corresponding to the anti-rotation rod (20), of the base (19), and the anti-rotation rod (20) is connected with the base (19) in a sliding mode.
9. The detection table for the inner tube of the new energy automobile tire according to claim 1, wherein: the inner tube is filled with high-pressure gas during detection, the pressure of the adjusting cylinder barrel (12) on the second detection part (8) is smaller than the pressure of the adjusting cylinder barrel (12) on the first detection part (7) and the third detection part (9), and the high-pressure gas enables the part of the inner tube, which is close to the second detection part (8), to bulge outwards.
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| CN118408760B (en) | 2024-09-03 |
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