CN117288389B - Radial tire airtight performance detection device and detection method - Google Patents
Radial tire airtight performance detection device and detection method Download PDFInfo
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- CN117288389B CN117288389B CN202311578426.0A CN202311578426A CN117288389B CN 117288389 B CN117288389 B CN 117288389B CN 202311578426 A CN202311578426 A CN 202311578426A CN 117288389 B CN117288389 B CN 117288389B
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- 238000001514 detection method Methods 0.000 title claims abstract description 201
- 239000007788 liquid Substances 0.000 claims abstract description 107
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims description 43
- 230000000670 limiting effect Effects 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 18
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 239000011550 stock solution Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 241000446313 Lamella Species 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- 230000003245 working effect Effects 0.000 description 1
Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/08—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
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Abstract
The application belongs to the technical field of airtight performance detection, and particularly relates to an airtight performance detection device and method for a radial tire, comprising a workbench, wherein a controller is arranged on one side of the workbench, and a lifting assembly is arranged on one side of the top of the workbench; the device effectively improves the detection precision and the detection efficiency of the air tightness performance of the radial tire, is simple to operate, has stronger versatility and is stable and efficient, and each structure is mutually matched; the foreign matters adhered to the outer surface of the radial tire can be scraped and cleaned before the radial tire is detected, and the foreign matters falling on the outer surfaces of the elastic sieve plate and the hard brush group can be recovered and cleaned by vibration, so that the cleanliness of the device and the accuracy of subsequent detection are improved; and before the air tightness performance of the radial tire is detected, the clamping position of the elastic clamping plate can be accurately detected, so that the mutual extrusion contact between the elastic clamping plate and the axial center of the radial tire is ensured, and the follow-up rotation stability of the radial tire in the liquid storage cavity is ensured.
Description
Technical Field
The application belongs to the technical field of airtight performance detection, and particularly relates to an airtight performance detection device and method for radial tires.
Background
The radial tyre carcass has the cord arrangement different from that of the bias tyre, the cords of the radial tyre are not arranged in a mutually crossed way, but are nearly parallel to the section of the outer tyre, like the earth radial arrangement, the cord angle is small, generally 0 DEG, no maintenance intersection point exists between the carcass cords, when the tyre is driven, the circumferential stretching is caused by the increase of the stress around the crown part, the carcass is radial split, and meanwhile, the air tightness of the radial tyre plays a vital role in the production or maintenance process of the radial tyre.
The invention of China patent 2019112295181 discloses a tyre airtight performance detection device, which comprises a shell, wherein a transportation cavity is formed in the left and right of the shell in a penetrating manner, a transportation mechanism for providing transportation is arranged in the transportation cavity, a transmission mechanism is arranged on the lower side of the transportation cavity, a transmission mechanism is arranged on the right side of the transmission mechanism, a driving mechanism is arranged on the lower side of the transmission mechanism, and a detection mechanism is arranged on the lower side of the transmission mechanism; the radial tire airtight performance detection device has low detection precision and low detection efficiency.
The invention patent 2023111610132 belongs to the technical field of tire detection, and particularly relates to an airtight performance detection device for vehicle tire production, which comprises a detection tire, wherein the bottom of the detection tire is symmetrically provided with a drainage component, the top end of the drainage component is clamped with supporting equipment, the two sides of the surface of the detection tire are respectively provided with a power component, and the two sides of the surface of the drainage component are respectively connected with a pressurizing equipment in a sliding manner; the tire airtight performance detection difficulty is high, and the detection stability and adaptability of the tire cannot be guaranteed.
When the prior art detects the airtight performance of the radial tire, if a large amount of impurities are attached to the outer surface of the radial tire, the detection liquid is polluted, the detection precision is reduced, and the leakage position of the outer surface of the radial tire is blocked, so that the leakage position cannot be rapidly and accurately determined.
When the radial tire is clamped and detected, if the clamping position and the radial tire are not positioned at the axle center, the radial tire can eccentrically rotate in the detection liquid, so that the detection liquid is stirred and bubbles are generated, and finally the detection precision is reduced.
If the air leakage opening of the radial tire is very small, the air in the radial tire can not be discharged along the air leakage opening only by the rotation of the radial tire in the detection liquid, and the air bubbles generated in the detection liquid are small, so that the air leakage condition of the radial tire can not be obtained quickly and efficiently through manual observation.
When the radial tire is detected, a large amount of detection liquid is adhered to the outer surface of the radial tire, so that the drying performance of the radial tire is reduced, the subsequent tire repairing process of the radial tire is influenced, the content of the detection liquid in the detection box is reduced continuously, the subsequent adaptability to the detection of the radial tire is reduced, and the detection liquid is required to be supplemented continuously, so that the detection efficiency is correspondingly reduced.
Disclosure of Invention
The present application addresses the above problems and provides a radial tire air tightness performance detection device and a detection method.
In order to achieve the above purpose, the present application provides the following technical solutions: the radial tire airtight performance detection device comprises a workbench, wherein a controller is arranged on one side of the workbench, a lifting assembly is arranged on one side of the top of the workbench, a moving assembly is arranged at the output end of one side of the lifting assembly, a clamping assembly is arranged at the output end of the bottom of the moving assembly, and a detection assembly is arranged at the top of the workbench;
the clamping assembly comprises side clamping plates, the opposite end surfaces of the side clamping plates are respectively connected with a rotating shaft through bearings in a rotating mode, an elastic clamping plate is arranged at the other end of the rotating shaft, a driving motor is arranged on the outer surface of one side of the side clamping plates, and the output end of the driving motor is fixedly connected with the end portion of the rotating shaft;
The utility model provides a detection subassembly is including detecting the case, the stock solution chamber has been seted up to the inside of detecting the case, the both sides of detecting the case are equipped with impurity case, impurity chamber has been seted up at impurity case top, the equal symmetry in top both sides of detecting the case is equipped with articulated seat, articulated seat's top articulates there is the elasticity sieve, the inside of elasticity sieve evenly is equipped with multiunit sieve mesh, the bottom bilateral symmetry of elasticity sieve is equipped with two sets of connecting plates, one side that the connecting plate faced each other evenly is equipped with multiunit elastic connecting rod through tension sensor, the top of elastic connecting rod evenly is equipped with multiunit stereoplasm brush group, the bottom center department of elasticity sieve is equipped with the intermediate lamella, the inside of intermediate lamella evenly runs through and is equipped with multiunit supporting hole, the inner wall of supporting hole and the surface assorted of elastic connecting rod.
The radial tire airtight performance detection device has the advantages that through different inclination directions and angles of the elastic sieve plate and the hard hairbrush group, cleaning of the outer surface of the radial tire, clamping position of the elastic clamping plate, radial tire airtight performance detection and radial tire outer surface wiping are correspondingly realized, the multiple use is stronger, the stability is higher, different actual processing production requirements are met, and the radial tire airtight performance detection precision is guaranteed.
Further, each electrical component is controlled to the controller electrical property, the tension sensor is used for detecting the pulling force value that elastic connecting rod tip received, the bottom of workstation evenly is equipped with multiunit landing leg.
Further, the lifting assembly comprises a vertical plate, the bottom of the vertical plate is fixedly connected with the top of the workbench, a limit groove is formed in one side, close to the detection box, of the vertical plate, a limiting block is slidably connected in the limit groove, an electric lifting push rod is arranged at the inner bottom of the limit groove, and the top output end of the electric lifting push rod is fixedly connected with the bottom of the limiting block.
Further, remove the subassembly and include the diaphragm, one side of diaphragm and the lateral wall fixed connection of stopper, the bottom of diaphragm is equipped with the kerve, the inside sliding connection in kerve has the kerve, the bottom of diaphragm and one side that is close to the riser are equipped with the fixed block, one side that the riser was kept away from to the fixed block is equipped with and removes electric putter, remove electric putter's output and the lateral wall fixed connection of kerve
Further, the clamping assembly further comprises an adjusting motor, the top of the adjusting motor is fixedly connected with the bottom of the bottom block, two groups of clamping electric push rods are symmetrically arranged on two sides of the bottom output end of the adjusting motor, one side output end of each clamping electric push rod is fixedly connected with the side wall of each side clamping plate, the adjusting motor is matched with the middle plate, and the diameter of each elastic clamping plate is smaller than that of the radial tire
Further, the bottom of detection case and the top fixed connection of workstation, one side of detection case is equipped with the feed liquor pipe, the opposite side of detection case is equipped with the drain pipe, the inside of feed liquor pipe and drain pipe all is equipped with the solenoid valve, the one end that feed liquor pipe and drain pipe are faced all is linked together with the stock solution chamber.
Further, the inclined sliding surface is arranged at the top of one side of the impurity cavity, which is close to the detection box, the inclined direction of the inclined sliding surface is matched with the inclined direction of the elastic sieve plate, the width value of the elastic sieve plate is larger than that of the detection box, and the two sides of the elastic sieve plate are matched with the top of the impurity cavity.
Further, the inside of stock solution chamber is equipped with the detection liquid, the high value of detection liquid and elasticity sieve phase-match, the top bilateral symmetry of elasticity sieve is equipped with the side shield, the high value of intermediate lamella and the high value phase-match of connecting plate, the side shield is mutually perpendicular with the direction of connecting plate, the side shield is matchd with the inner wall in stock solution chamber, the high value of side shield is greater than the high value of stereoplasm brush group.
Further, the hard brush groups are matched with sieve holes, the diameter of each sieve hole is larger than the diameter value of each hard brush group, and the gaps between two adjacent hard brush groups are matched with the elastic coefficient of the elastic sieve plate.
The radial tire airtight performance detection method utilizes the radial tire airtight performance detection device to detect the airtight performance of the radial tire, and comprises the following steps of:
s1, the controller controls the clamping assemblies to clamp the axle centers of two sides of the radial tire;
s2, the controller controls the driving motor to start and drive the radial tire to rotate, and the hard brush group scrapes and cleans the outer surface of the radial tire;
s3, the controller controls the clamping assembly to drive the radial tire to continuously move downwards, and the radial tire is in extrusion contact with the elastic sieve plate and rotates;
s4, when the radial tire leaks, the tension value detected by the tension sensor is smaller than the preset maximum tension value;
and S5, after the airtight performance of the radial tire is detected, the radial tire rotates and the outer surface of the radial tire is wiped, cleaned and dried by the hard hairbrush group.
The invention further limits the detection method, effectively improves the detection precision and the detection efficiency, and meets the detection of the airtight performance of radial tires with different sizes and models.
Compared with the prior art, the beneficial effects of the application are as follows:
1. According to the radial tire air tightness detection device, the lifting assembly, the moving assembly, the clamping assembly and the detection assembly are arranged, so that the device is high in detection precision, good in detection effect, strong in adaptability and good in stability, and the air tightness detection quality of radial tires of different sizes and models is further guaranteed.
2. According to the invention, by arranging the components such as the detection box, the impurity box and the like to be matched with each other, the device effectively improves the detection precision and the detection efficiency of the air tightness performance of the radial tire, is simple to operate, has mutually matched structures, has stronger versatility, and is stable and efficient; the cleanliness of the device and the accuracy of subsequent detection are improved; the stability and concentricity of the radial tire rotation in the liquid storage cavity are ensured.
3. According to the radial tire airtight performance detection method, the elastic sieve plate, the hard hairbrush group, the tension sensor and other components are matched with each other, so that the radial tire airtight performance detection precision is effectively improved; and the recovery precision of the detection liquid is improved by means of the slightly downward concave state of the elastic sieve plate, and the dryness of the outer surface of the radial tire and the recovery of the detection liquid are ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of another embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic diagram of a detecting assembly according to the present invention;
FIG. 5 is a schematic view of the bottom structure of the elastic screen plate of the present invention;
FIG. 6 is a schematic elevational cross-sectional view of the present invention;
FIG. 7 is a right side view of the present invention;
fig. 8 is an enlarged schematic view at a in fig. 7.
In the figure; 1. a work table; 2. a support leg; 3. a controller; 4. a lifting assembly; 401. a riser; 402. a limit groove; 403. lifting the electric push rod; 404. a limiting block; 5. a moving assembly; 501. a cross plate; 502. a bottom groove; 503. a fixed block; 504. a bottom block; 505. moving the electric push rod; 6. a clamping assembly; 601. adjusting a motor; 602. clamping the electric push rod; 603. a side clamping plate; 604. a driving motor; 605. a rotating shaft; 606. an elastic clamping plate; 7. a detection assembly; 701. a detection box; 702. an impurity box; 703. a liquid inlet pipe; 704. a liquid outlet pipe; 705. a sloping slide surface; 706. an electromagnetic valve; 707. a hinge base; 708. an elastic sieve plate; 709. a sieve pore; 710. side baffles; 711. a connecting plate; 712. a tension sensor; 713. an elastic connecting rod; 714. a hard brush set; 715. a liquid storage cavity; 716. an intermediate plate; 717. a support hole; 718. impurity cavity.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
First embodiment
As shown in fig. 1-4, a radial tire airtight performance detection device comprises a workbench 1, a plurality of groups of supporting legs 2 are uniformly arranged at the bottom of the workbench 1, the supporting stability of the workbench 1 is improved by the arrangement of the supporting legs 2, a controller 3 is arranged on one side of the workbench 1, each electrical element is electrically controlled by the controller 3, a lifting component 4 is arranged on one side of the top of the workbench 1, the lifting component 4 mainly lifts a clamping component 6 in the height direction, thereby realizing the adjustment of the height of the radial tire, a movable component 5 is arranged at one side output end of the lifting component 4, the movable component 5 adjusts the clamping component 6 in the horizontal direction, and then performs loading and unloading on the radial tire in cooperation with the clamping component 6, the detection precision of the radial tire airtight performance is further improved, the clamping component 6 is arranged at the bottom output end of the movable component 5, the clamping component 6 performs elastic clamping and fixing on two sides of the radial tire, the adaptability and the rotation detection precision of the radial tire are further improved, the detection component 7 is arranged on the top of the workbench 1, and the detection component 7 performs basic detection and cleaning functions on the radial tire.
The lifting assembly 4 comprises a vertical plate 401, the bottom of the vertical plate 401 is fixedly connected with the top of the workbench 1, the vertical plate 401 mainly plays a role in limiting and fixing, a limiting groove 402 is formed in one side, close to the detection box 701, of the vertical plate 401, a limiting block 404 is slidably connected to the inside of the limiting groove 402, the limiting groove 402 is matched with the limiting block 404, the limiting groove 402 and the limiting block 404 are of a T-shaped structure, the design further improves the stability and the limiting property of the limiting block 404 in moving up and down, an electric lifting push rod 403 is arranged at the inner bottom of the limiting groove 402, the top output end of the electric lifting push rod 403 is fixedly connected with the bottom of the limiting block 404, the electric lifting push rod 403 is started and drives the limiting block 404 to move up and down inside the limiting groove 402, and then the height of the clamping assembly 6 is adjusted.
The movable assembly 5 comprises a transverse plate 501, one side of the transverse plate 501 is fixedly connected with the side wall of the limiting block 404, the transverse plate 501 is synchronously driven to move up and down when the limiting block 404 moves up and down, a bottom groove 502 is formed in the bottom of the transverse plate 501, a bottom block 504 is slidably connected in the bottom groove 502, the bottom block 504 is matched with the bottom groove 502, the bottom block 504 and the bottom groove 502 are also arranged into a T-shaped structure, stability and limiting performance of the bottom block 504 in the bottom groove 502 are facilitated, a fixed block 503 is arranged at the bottom of the transverse plate 501 and at one side close to the vertical plate 401, a movable electric push rod 505 is arranged at one side of the fixed block 503 far away from the vertical plate 401, the output end of the movable electric push rod 505 is fixedly connected with the side wall of the bottom block 504, and then the bottom block 504 is driven to move transversely in the bottom groove 502 when the movable electric push rod 505 is started, and then the clamping assembly 6 is adjusted in the horizontal direction, and the radial tyre feeding and discharging procedures are realized.
The clamping assembly 6 comprises side clamping plates 603, the side clamping plates 603 are located on two sides of the radial tire and mainly used for clamping rotation detection on the central axis of the radial tire, the opposite end faces of the side clamping plates 603 are respectively connected with a rotating shaft 605 through bearings in a rotating mode, an elastic clamping plate 606 is arranged at the other end of the rotating shaft 605, the elastic clamping plates 606 are fixedly clamped with the central axis of the radial tire, meanwhile clamping versatility and clamping stability of different radial tires are further improved through the elastic structure of the elastic clamping plates, a driving motor 604 is arranged on the outer surface of the side clamping plates 603, the output end of the driving motor 604 is fixedly connected with the end portion of the rotating shaft 605, when the driving motor 604 is started, the rotating shaft 605 on one side is driven to rotate, the rotating shaft 605 on the other side is driven to rotate, the radial tire is driven to rotate, all-round dead angle-free detection of the radial tire in the detecting assembly 7 is achieved, the detecting accuracy is higher, and the detecting range is higher, and the detecting adaptability is stronger.
The clamping assembly 6 further comprises an adjusting motor 601, the top of the adjusting motor 601 is fixedly connected with the bottom of the bottom block 504, so that the adjusting motor 601 is synchronously driven to transversely move when the bottom block 504 moves horizontally in the bottom groove 502, two groups of clamping electric push rods 602 are symmetrically arranged on two sides of the bottom output end of the adjusting motor 601, the adjusting motor 601 can drive the two groups of clamping electric push rods 602 to rotate, the position of a tire is further rotationally adjusted, the output end of the clamping electric push rods 602 is fixedly connected with the side wall of the side clamping plate 603, the side clamping plate 603 is driven to move when the clamping electric push rods 602 are started, gaps between the two groups of side clamping plates 603 are further adjusted, and the radial tire feeding and discharging and the clamping rotation detection effects on tires with different widths are further achieved.
The detection component 7 comprises a detection box 701, the bottom of the detection box 701 is fixedly connected with the top of the workbench 1, a liquid storage cavity 715 is formed in the detection box 701, detection liquid is arranged in the liquid storage cavity 715, the radial tire is driven to be immersed in the detection liquid in the liquid storage cavity 715 through the clamping component 6, the airtight performance of the radial tire is obtained by observing the air bubble condition of the detection liquid, namely, when the air bubble is generated in the detection liquid, the radial tire air leakage is indicated, the corresponding position of the radial tire needs to be maintained, when no air bubble is generated in the detection liquid, the airtight performance of the radial tire is indicated to be good, the follow-up work can be carried out, the detection precision is high, the detection effect is good, and the detection stability is strong.
One side of the detection box 701 is provided with a liquid inlet pipe 703, the liquid inlet pipe 703 supplements detection liquid in the detection box 701, the other side of the detection box 701 is provided with a liquid outlet pipe 704, the liquid outlet pipe 704 discharges the detection liquid in the detection box 701, the insides of the liquid inlet pipe 703 and the liquid outlet pipe 704 are respectively provided with an electromagnetic valve 706, the arrangement of the electromagnetic valves 706 carries out switching adjustment on the liquid inlet pipe 703 and the liquid outlet pipe 704, one ends of the liquid inlet pipe 703 and the liquid outlet pipe 704 facing each other are communicated with a liquid storage cavity 715, the detection liquid introduced into the liquid inlet pipe 703 directly enters the liquid storage cavity 715 to be stored, and the detection liquid in the liquid storage cavity 715 can be directly discharged along the liquid outlet pipe 704.
When in use, firstly, the controller 3 opens the electromagnetic valve 706 in the liquid inlet pipe 703, the detection liquid in the liquid inlet pipe 703 enters the liquid storage cavity 715 in the detection box 701 for temporary storage, and after the detection liquid in the liquid storage cavity 715 reaches a proper height, the electromagnetic valve 706 is closed, so that the preparation work is completed.
Then the radial tire is moved to a proper position, two groups of elastic clamping plates 606 are moved to two sides of a central axis of the radial tire, the controller 3 controls the clamping electric push rods 602 to start and elastically clamps the elastic clamping plates 606 and the central axes of the two sides of the radial tire through the side clamping plates 603, then the controller 3 controls the lifting electric push rods 403 to start and drive the limiting blocks 404 to move in the limiting grooves 402, the limiting blocks 404 drive the radial tire to reach a proper height through the moving components 5 and the clamping components 6, meanwhile, the controller 3 controls the moving electric push rods 505 to start and drive the radial tire to reach the top of the detection box 701 through the clamping components 6, and the controller 3 continues to control the lifting components 4 to drive the bottom of the radial tire to be immersed in the detection liquid, and ensures that the detection liquid completely wraps the lower part of the central axis of the radial tire.
Then the controller 3 controls the driving motor 604 to start and drives the radial tire to rotate through the rotating shaft 605 and the elastic clamping plate 606, and the radial tire rotates in the detection liquid, so that whether the radial tire leaks or not is obtained indirectly by observing whether bubbles are generated in the detection liquid, namely, when no bubbles are generated in the detection liquid, the air tightness of the radial tire is good, and if bubbles are generated in the detection liquid, the radial tire leaks, and the radial tire needs to be maintained later.
After the detection is completed, the controller 3 controls the lifting assembly 4 and the moving assembly 5 to be started, and the radial tires are respectively placed by means of the clamping assembly 6, so that the radial tires are placed in a pile after detecting air leakage, the radial tires are placed in another pile after detecting air leakage, the maintenance efficiency of the subsequent radial tires is effectively improved, new radial tires are clamped again after the placement is completed to carry out the subsequent detection, and when the detection of a plurality of batches of radial tires is completed, the electromagnetic valve 706 in the liquid outlet pipe 704 is opened, the detection liquid in the liquid storage cavity 715 is discharged, the detection procedure is completed, and the process is repeated continuously to carry out the airtight performance detection on the subsequent radial tires.
The device detects the precision height, and detection effect is good, and strong adaptability, stability is good, can once only realize the promotion to radial tire, remove and centre gripping detection processes such as rotating, easy operation is swift, satisfies mass production demand, and when detecting radial tire with the help of the detection liquid simultaneously, the degree of difficulty of observing is little, and the observation precision is high, and the change of detection liquid is efficient simultaneously, further guarantees the airtight performance quality of detection to radial tire of equidimension and model.
Second embodiment
As shown in fig. 5 to 8, when the airtight performance of the radial tire is actually tested, if a large amount of impurities are attached to the surface of the radial tire, the detection liquid in the liquid storage cavity 715 is not only polluted, so that the detection precision of the subsequent radial tire is reduced, and meanwhile, the impurities are possibly adhered and blocked to the air leakage opening of the radial tire, so that the air leakage condition of the radial tire cannot be further obtained; when the radial tire rotates in the detection liquid in the liquid storage cavity 715 to detect the airtight performance, if the air leakage opening of the radial tire is small, the air leakage amount in the detection liquid is small, and the airtight performance of the tire cannot be accurately and efficiently obtained only when the air leakage condition is observed by human eyes; when the central axis of the radial tire is elastically clamped and fixed by the elastic clamping plate 606, if the axial center of the elastic clamping plate 606 is not coincident with the axial center of the radial tire, the elastic clamping plate 606 drives the radial tire to eccentrically rotate, so that the clamping stability of the radial tire is reduced, and meanwhile, the radial tire can stir the detection liquid when rotating in the detection liquid, so that bubbles are generated and the detection precision is reduced; when the air tightness of the radial tire is detected, the outer surface of the radial tire is adhered with the detection liquid, so that the concentration of the detection liquid in the liquid storage cavity 715 is reduced, the detection liquid is required to be supplemented for many times, the detection efficiency is reduced, and meanwhile, the outer surface of the radial tire is in a wet state due to the adhesion of the radial tire, so that the normal maintenance and running of the follow-up radial tire are affected.
In order to solve the above problems, the radial tire air tightness detection device further includes: the top both sides of detecting box 701 all are equipped with articulated seat 707 symmetrically, the top of articulated seat 707 articulates there is elastic sieve 708, then elastic sieve 708 can take place articulated rotation at detecting box 701 top, wherein articulated seat 707 is mainly as articulated assembly, this setting improves the articulated rotation stability of elastic sieve 708, the inside of elastic sieve 708 evenly is equipped with multiunit sieve mesh 709, sieve mesh 709 mainly used sieves and blocks the effect, can avoid dropping into the inside of stock solution chamber 715 and cause the pollution of impurity etc. of radial tire surface, simultaneously can also make the inside detection liquid of stock solution chamber 715 upwards reach radial tire surface and carry out airtight performance detection to it along sieve mesh 709.
Two groups of connecting plates 711 are symmetrically arranged on two sides of the bottom of the elastic sieve plate 708, a plurality of groups of elastic connecting rods 713 are uniformly arranged on one side of the connecting plates 711, which is opposite to each other, through the tension sensor 712, the tension sensor 712 is used for detecting the tension value received by the end parts of the elastic connecting rods 713, therefore, when the elastic sieve plate 708 is elastically deformed, the elastic sieve plate 708 correspondingly drives the elastic connecting rods 713 to elastically deform through the connecting plates 711, the tension applied by the elastic connecting rods 713 to the tension sensor 712 correspondingly changes, the direction and the size of the tension detected by the tension sensor 712 correspondingly changes, and the air bubble quantity of the detection liquid in the liquid storage cavity 715 is matched, so that the airtight performance condition of the radial tire is rapidly obtained.
The top of elastic connecting rod 713 evenly is equipped with multiunit stereoplasm brush group 714, stereoplasm brush group 714 and sieve mesh 709 assorted, then stereoplasm brush group 714 stretches out outside along sieve mesh 709, and the diameter of sieve mesh 709 is greater than the diameter value of stereoplasm brush group 714, then stereoplasm brush group 714 can take place the slope deformation in the inside of sieve mesh 709, and the clearance between two adjacent groups stereoplasm brush groups 714 matches with the elasticity coefficient of elastic sieve 708, this setting further improves the working property of stereoplasm brush group 714.
Specifically, when the elastic sieve plate 708 is inclined in a protruding manner, the elastic connecting rod 713 correspondingly inclines in a protruding manner, the plurality of groups of hard brush groups 714 incline to two sides along the sieve holes 709, gaps between two adjacent groups of hard brush groups 714 are larger, the radial tire rotates to enable the tire tread on the outer surface of the radial tire to be in contact with the plurality of groups of hard brush groups 714 to vibrate, impurities and the like on the outer surface of the radial tire, especially in the tire tread, can be scraped and cleaned by means of the scraping effect of the hard brush groups 714, meanwhile, the hard brush groups 714 are driven to vibrate by means of the reverse acting force of the tire tread on the hard brush groups 714, the vibration is transmitted to the elastic sieve plate 708 through the elastic connecting rod 713, so that the elastic sieve plate 708 synchronously vibrates, impurities and the like on the outer surface of the hard brush groups 714 are vibrated and cleaned, meanwhile, the impurities and the like on the top of the elastic sieve plate 708 slide to two sides, and self-cleaning performance of the hard brush groups 714 and the elastic sieve plate 708 is effectively improved.
When the elastic sieve plate 708 is inclined downwards, the elastic sieve plate 708 drives the elastic connecting rod 713 to synchronously incline downwards, the elastic connecting rod 713 drives the hard brush groups 714 to incline inwards, gaps between the adjacent hard brush groups 714 are reduced, the hard brush groups 714 are close to each other and form a plane, and reverse extrusion force is applied to the bottom of the radial tire by the aid of the hard brush groups 714, so that the accuracy of rotation detection of the radial tire in detection liquid is effectively improved.
When the elastic sieve plate 708 is slightly sunken and inclined, the elastic connecting rod 713 drives the hard brush groups 714 to be in a nearly vertical state, so that the radial tire rotates to be in frictional contact with the hard brush groups 714 to scrape and wipe off the detection liquid attached to the surface of the radial tire, and the wiped detection liquid flows back to the inside of the liquid storage cavity 715 again along the hard brush groups 714 and the sieve holes 709, so that the detection liquid is prevented from being moved out after the radial tire is detected, and the content of the detection liquid in the liquid storage cavity 715 and the dryness of the radial tire are reduced.
The middle plate 716 is arranged at the bottom center of the elastic sieve plate 708, a plurality of groups of supporting holes 717 are uniformly formed in the middle plate 716 in a penetrating manner, the inner walls of the supporting holes 717 are matched with the outer surfaces of the elastic connecting rods 713, the plurality of groups of elastic connecting rods 713 are supported and limited by means of the middle plate 716, the situation that the elastic connecting rods 713 cannot deform along with elastic deformation of the elastic sieve plate 708 is avoided, the adjusting motor 601 is matched with the middle plate 716, the diameter of the elastic clamping plate 606 is smaller than that of the radial tire, and then the radial tire is just opposite to the middle plate 716 to rotate when the radial tire is clamped and rotated by the elastic clamping plate 606 in practice, so that the accuracy and the efficiency of radial tire detection are improved.
The top both sides symmetry of elasticity sieve 708 is equipped with side shield 710, side shield 710's setting is mainly used blocks spacing to elasticity sieve 708 top both sides, avoid impurity at elasticity sieve 708 top etc. to scatter at will, side shield 710 is perpendicular with the direction of connecting plate 711, therefore side shield 710 is located and takes place the other both sides relative to elasticity sieve 708, side shield 710 and the inner wall phase-match of stock solution chamber 715, when elasticity sieve 708 takes place the elastic concave down, side shield 710 and the inner wall sealing sliding connection of stock solution chamber 715, avoid elasticity sieve 708 position variation and then reduce the detection precision, the height value of side shield 710 is greater than the height value of stereoplasm brush group 714, side shield 710 can block the protection to stereoplasm brush group 714, the height value of intermediate plate 716 matches with the height value of connecting plate 711, the height value of detection liquid matches with elasticity sieve 708, then the incline direction and the angle moment that elasticity connecting rod 713 and elasticity 708 take place the slope down are kept unanimous, and detection liquid can carry out complete parcel detection to the radial tire at elasticity sieve 708 top.
The impurity box 702 is arranged on two sides of the detection box 701, the impurity cavity 718 is formed in the top of the impurity box 702, the impurity cavity 718 in the impurity box 702 is mainly used for recycling and storing impurities, the inclined sliding surface 705 is formed in the top of one side of the impurity cavity 718, which is close to the detection box 701, the inclined sliding surface 705 is matched with the inclined direction of the elastic sieve plate 708, the sliding speed and the sliding stability of the impurities are effectively improved by means of the inclined sliding surface 705, the impurities can be stored in the bottom of the impurity cavity 718, the width value of the elastic sieve plate 708 is larger than that of the detection box 701, two sides of the elastic sieve plate 708 are matched with the top of the impurity cavity 718, when the elastic sieve plate 708 is upwards inclined in a protruding mode, the impurities and the like at the top of the elastic sieve plate 708 can be effectively slid to two sides through the vibration of the elastic sieve plate 708, and finally the impurities fall to the bottom of the impurity cavity 718 for storage, and the recycling efficiency of the impurities is improved.
In use, the radial tire is assembled according to the first embodiment, and the axial center of the radial tire is clamped by the elastic clamping plate 606, and meanwhile, the elastic screen plate 708 is raised and inclined upwards under the elastic action of the elastic connecting rod 713 and the elastic screen plate 708 in the initial condition, the elastic connecting rod 713 is at the same inclination angle, and the hard brush groups 714 are opened and inclined towards two sides, so that the gaps between the two adjacent hard brush groups 714 are larger.
The controller 3 controls the lifting assembly 4 to drive the radial tire to move to the top of the elastic sieve plate 708, and the bottom of the radial tire is in mutual extrusion contact with the hard brush set 714 but not in contact with the top of the elastic sieve plate 708, at this time, the radial tire needs to be cleaned in advance, the controller 3 controls the driving motor 604 to start, the driving motor 604 drives the elastic clamping plate 606 to rotate through the rotating shaft 605, the elastic clamping plate 606 rotates and drives the radial tire to rotate, the radial tire rotates on the top of the elastic sieve plate 708, at this time, the radial tire and the top of the hard brush set 714 are in collision contact with each other, impurities adhered to the outer surface of the radial tire are scraped and cleaned by the hard brush set 714, the accuracy and precision of the follow-up airtight performance detection of the radial tire are effectively improved, the impurities are prevented from blocking the air leakage opening and the air outlet efficiency of the radial tire is reduced.
Meanwhile, the scraped and dropped impurities and the like drop on the outer surface of the hard brush set 714 and the top of the elastic sieve plate 708, and the tire tread on the outer surface is driven to rotate along with the rotation of the radial tire, when the tire tread and the hard brush set 714 are in collision contact with each other, the tire tread drives the hard brush set 714 to vibrate, the hard brush set 714 drives the elastic sieve plate 708 to vibrate through the elastic connecting rod 713, the impurities and the like on the top of the elastic sieve plate 708 vibrate and drop to two sides when the elastic sieve plate 708 vibrates, and finally the impurities and the like drop to the inner bottom of the impurity cavity 718 along the inclined sliding surface 705 to be stored, so that the cleaning performance of the outer surface of the radial tire and the recovery effect of the impurities on the top of the elastic sieve plate 708 are effectively improved.
When the elastic clamping plate 606 does not clamp the axle center of the radial tire, the radial tire is eccentrically rotated when the elastic clamping plate 606 drives the radial tire to rotate, the acting force applied by the radial tire to the top of the elastic sieve plate 708 is continuously changed, the corresponding acting force applied to the tension sensor 712 through the elastic connecting rod 713 is continuously changed, the tension value detected by the tension sensor 712 is not always at the set initial tension value and is continuously changed, and then the clamping position of the elastic clamping plate 606 to the radial tire needs to be manually adjusted, so that the elastic clamping plate 606 is positioned at the axle center of the radial tire again.
After finishing the detection of the axle center of the radial tyre, the controller 3 continues to control the lifting assembly 4 to start and drive the radial tyre to move downwards, the radial tyre extrudes the elastic sieve plate 708 to incline downwards, the corresponding elastic sieve plate 708 drives the elastic connecting rod 713 to incline downwards through the middle plate 716 to incline downwards, the elastic tension applied to the elastic connecting rod 713 is further increased, the tension value detected by the tension sensor 712 is further increased to the preset maximum tension value, and due to the downward inclination of the elastic sieve plate 708 and the elastic connecting rod 713, the corresponding groups of hard brush groups 714 incline inwards, the gaps between the adjacent groups of hard brush groups 714 are reduced, the ends of the groups of hard brush groups 714 are mutually contacted and combined, the whole hard brush groups 714 are positioned at the ends of the elastic sieve plate 708 and are positioned on the same plane, and the detection accuracy of the subsequent radial tyre is not hindered.
The controller 3 controls the driving motor 604 to start and drive the radial tire to rotate through the elastic clamping plate 606, the radial tire continuously rotates and changes the position of the detection liquid entering the liquid storage cavity 715, the detection liquid in the liquid storage cavity 715 is converged upwards to the outer surface of the radial tire along the sieve holes 709, so that the radial tire is detected in an omnibearing dead angle-free mode, particularly, vibration generated by the radial tire can be blocked by the blocking effect of the plurality of groups of hard brush groups 714 in the radial tire rotation process, the blocking of the air tightness performance of the radial tire caused by water and the like brought up in the radial tire rotation process is avoided, in addition, in the radial tire rotation process, the elastic sieve plate 708 and the hard brush groups 714 apply acting force to the bottom of the radial tire, and further, the part of the radial tire in the detection liquid is in an extrusion state at the moment, so that when the part of the radial tire is in the extrusion state, internal gas can be discharged along the port in the extrusion state, the air tightness of the radial tire is indirectly detected by means of the tension value detected by the tension sensor, the radial tire is effectively avoided, the high-efficiency detection of the position of the air leakage is prevented from being caused by the fact that the air leakage is too small, and the air leakage position cannot be detected accurately and the air leakage detection accuracy cannot be further improved.
When the air leakage port exists at the part of the radial tire, the air leakage port rotates to the top of the elastic sieve plate 708, the extrusion force applied to the bottom of the radial tire by the elastic sieve plate 708 and the hard brush group 714 is utilized, so that the air in the radial tire is discharged along the air leakage port, the volume of the radial tire at the position is reduced, the extrusion force applied to the top of the elastic sieve plate 708 by the bottom of the radial tire is reduced, the tension value applied to the tension sensors 712 at the two sides by the elastic sieve plate 708 through the middle plate 716 and the elastic connecting rod 713 is reduced, the tension value detected by the tension sensors 712 is reduced and is smaller than the set maximum tension preset value, further, the radial tire is required to be subjected to subsequent tire repairing treatment at the position, and when the tension value detected by the tension sensors 712 does not change and is equal to the set maximum tension value, the radial tire is not present, therefore, the air tightness of the radial tire can be obtained rapidly and efficiently by the tension value detected by the tension sensors, compared with the traditional air tightness observation quantity, the radial tire detection method has better air tightness, and better air tightness detection precision.
When the radial tire airtight performance is detected, the controller 3 controls the lifting assembly 4 to reversely start and move upwards, the lifting assembly 4 drives the radial tire to move upwards through the elastic clamping plate 606, the extrusion force applied by the radial tire to the top of the elastic sieve plate 708 is reduced, the corresponding elastic connecting rod 713 drives the hard brush group 714 to be in an approximately vertical state, the distance between the adjacent hard brush groups 714 is increased, meanwhile, the controller 3 controls the driving motor 604 to rotate, the driving motor 604 drives the radial tire to rotate through the elastic clamping plate 606, the radial tire continuously rotates, the bottom and the hard brush group 714 are in mutual extrusion contact, and by means of the slightly downward concave state of the elastic sieve plate 708, the detection liquid and the like attached to the outer surface of the radial tire are scraped off again and slide to the outer surface of the hard brush group 714, and finally slide to the inside of the liquid storage cavity 715 along the hard brush groups 714 and 709, so that the detection liquid is effectively avoided being carried out after the radial tire detection is completed, the detection liquid amount inside the liquid storage cavity 715 is reduced, the detection precision and the detection effect are further improved, and the drying requirement of the radial tire is correspondingly ensured.
After the recovery of the radial tire outer surface detection liquid is completed, the controller 3 controls the lifting assembly 4, the moving assembly 5 and the clamping assembly 6 to carry out blanking on the radial tire, and the radial tire is placed in different areas according to different detection results of the radial tire, so that the subsequent tire repairing process is conveniently carried out on the radial tire, and the process is repeated continuously to carry out the airtight performance detection process on the subsequent radial tire.
Third embodiment
A radial tire air tightness detection method for detecting air tightness of a radial tire by using a radial tire air tightness detection device, comprising the following steps:
s1, the controller 3 controls the clamping assembly 6 to clamp the axle centers of two sides of the radial tire, and the lifting assembly 4 and the moving assembly 5 adjust the position of the radial tire, so that the radial tire moves to the top of the detecting assembly 7 to detect the airtight performance.
S2, the controller 3 controls the driving motor 604 to start and drive the radial tire to rotate, the elastic sieve plate 708 is protruded and inclined upwards, the hard brush set 714 is inclined towards two sides, the hard brush set 714 scrapes and cleans the outer surface of the radial tire, and meanwhile the hard brush set 714 drives the elastic sieve plate 708 to vibrate through the elastic connecting rod 713.
And S3, the controller 3 controls the clamping assembly 6 to drive the radial tire to continuously move downwards, press and contact with the elastic sieve plate 708 and rotate, the tension sensor 712 detects that the tension value reaches the preset initial tension value, and when the tension value detected by the tension sensor 712 changes, the elastic clamping plate 606 does not clamp the axle center of the radial tire.
And S4, the controller 3 controls the clamping assembly 6 to drive the radial tire to continuously move downwards and press the elastic sieve plate 708, the elastic sieve plate 708 is inclined downwards in a concave manner, the tension value detected by the tension sensor 712 reaches a preset maximum tension value, and when the radial tire leaks, the tension value detected by the tension sensor 712 is smaller than the preset maximum tension value.
And S5, after the airtight performance detection of the radial tire is finished, the controller 3 controls the clamping assembly 6 to drive the radial tire to move upwards to a certain height, the elastic sieve plate 708 is in a slightly downward concave state, and the radial tire rotates and wipes, cleans and dries the outer surface of the radial tire by the hard hairbrush set 714.
The detection method further improves the detection precision and the detection quality of the radial tire air tightness, and has the advantages of stronger adaptability, higher operability, stability, high efficiency, energy conservation and emission reduction.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The radial tire airtight performance detection device comprises a workbench, and is characterized in that a controller is arranged on one side of the workbench, a lifting assembly is arranged on one side of the top of the workbench, a moving assembly is arranged at one side output end of the lifting assembly, a clamping assembly is arranged at the bottom output end of the moving assembly, and a detection assembly is arranged at the top of the workbench;
The clamping assembly comprises side clamping plates, the opposite end surfaces of the side clamping plates are respectively connected with a rotating shaft through bearings in a rotating mode, an elastic clamping plate is arranged at the other end of the rotating shaft, a driving motor is arranged on the outer surface of one side of the side clamping plates, and the output end of the driving motor is fixedly connected with the end portion of the rotating shaft;
the detection assembly comprises a detection box, a liquid storage cavity is formed in the detection box, impurity boxes are arranged on two sides of the detection box, an impurity cavity is formed in the top of the impurity box, hinged seats are symmetrically arranged on two sides of the top of the detection box, an elastic sieve plate is hinged to the top of each hinged seat, multiple groups of sieve holes are uniformly formed in the elastic sieve plate, two groups of connecting plates are symmetrically arranged on two sides of the bottom of the elastic sieve plate, multiple groups of elastic connecting rods are uniformly arranged on one side of the connecting plates, which faces each other, of the connecting plates through a tension sensor, multiple groups of hard brush groups are uniformly arranged on the top of each elastic connecting rod, a middle plate is arranged at the center of the bottom of each elastic sieve plate, multiple groups of supporting holes are uniformly formed in the middle plate in a penetrating mode, and the inner walls of the supporting holes are matched with the outer surfaces of the elastic connecting rods;
under the initial condition, the elastic screen plate is enabled to be upwards convexly inclined under the elastic action of the elastic connecting rod and the elastic screen plate; the controller can control the lifting assembly and drive the radial tire to move downwards, and the radial tire extrudes the elastic sieve plate to incline downwards in a concave manner.
2. The radial tire airtight performance detection device according to claim 1, wherein the controller is electrically used for controlling each electrical component, the tension sensor is used for detecting tension values received by the end parts of the elastic connecting rods, and a plurality of groups of supporting legs are uniformly arranged at the bottom of the workbench.
3. The radial tire airtight performance detection device according to claim 1, wherein the lifting assembly comprises a vertical plate, the bottom of the vertical plate is fixedly connected with the top of the workbench, a limit groove is formed in one side, close to the detection box, of the vertical plate, a limit block is slidably connected inside the limit groove, a lifting electric push rod is arranged at the inner bottom of the limit groove, and the top output end of the lifting electric push rod is fixedly connected with the bottom of the limit block.
4. The radial tire airtight performance detection device according to claim 3, wherein the moving assembly comprises a transverse plate, one side of the transverse plate is fixedly connected with the side wall of the limiting block, a bottom groove is formed in the bottom of the transverse plate, a bottom block is slidably connected in the bottom groove, a fixed block is arranged at the bottom of the transverse plate and close to one side of the vertical plate, a movable electric push rod is arranged at one side, far away from the vertical plate, of the fixed block, and the output end of the movable electric push rod is fixedly connected with the side wall of the bottom block.
5. The radial tire airtight performance detection device according to claim 4, wherein the clamping assembly further comprises an adjusting motor, the top of the adjusting motor is fixedly connected with the bottom of the bottom block, two groups of clamping electric push rods are symmetrically arranged on two sides of the bottom output end of the adjusting motor, one side output end of each clamping electric push rod is fixedly connected with the side wall of each side clamping plate, the adjusting motor is matched with the middle plate, and the diameter of each elastic clamping plate is smaller than that of the radial tire.
6. The radial tire airtight performance detection device according to claim 1, wherein the bottom of the detection box is fixedly connected with the top of the workbench, a liquid inlet pipe is arranged on one side of the detection box, a liquid outlet pipe is arranged on the other side of the detection box, electromagnetic valves are arranged in the liquid inlet pipe and the liquid outlet pipe, and one ends of the liquid inlet pipe and the liquid outlet pipe, which face each other, are communicated with the liquid storage cavity.
7. The radial tire airtight performance detection device according to claim 1, wherein an inclined sliding surface is arranged at the top of one side of the impurity cavity, which is close to the detection box, the inclined direction of the inclined sliding surface is matched with the inclined direction of the elastic sieve plate, the width value of the elastic sieve plate is larger than that of the detection box, and two sides of the elastic sieve plate are matched with the top of the impurity cavity.
8. The radial tire airtight performance detection device according to claim 1, wherein detection liquid is arranged in the liquid storage cavity, the height value of the detection liquid is matched with that of the elastic sieve plate, side baffles are symmetrically arranged on two sides of the top of the elastic sieve plate, the height value of the middle plate is matched with that of the connecting plate, the side baffles are perpendicular to the direction of the connecting plate, the side baffles are matched with the inner wall of the liquid storage cavity, and the height value of the side baffles is larger than that of the hard hairbrush group.
9. The radial tire airtight performance detection device according to claim 1, wherein the hard brush groups are matched with sieve holes, the diameter of the sieve holes is larger than the diameter value of the hard brush groups, and the gaps between two adjacent hard brush groups are matched with the elastic coefficient of the elastic sieve plate.
10. A radial tire air tightness testing method for testing air tightness of a radial tire by using the radial tire air tightness testing device according to claim 1, comprising the steps of:
s1, the controller controls the clamping assemblies to clamp the axle centers of two sides of the radial tire;
S2, the controller controls the driving motor to start and drive the radial tire to rotate, and the hard brush group scrapes and cleans the outer surface of the radial tire;
s3, the controller controls the clamping assembly to drive the radial tire to continuously move downwards, and the radial tire is in extrusion contact with the elastic sieve plate and rotates;
s4, when the radial tire leaks, the tension value detected by the tension sensor is smaller than the preset maximum tension value;
and S5, after the airtight performance of the radial tire is detected, the radial tire rotates and the outer surface of the radial tire is wiped, cleaned and dried by the hard hairbrush group.
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