406results about "Tyre parts" patented technology

The invention discloses a tire finite element modeling and multidirectional rigidity optimization method and system based on characteristic lines. The method comprises the following steps: extracting tire section characteristic lines from a three-dimensional digital model; introducing the tire section characteristic line into a finite element analysis environment, generating a three-dimensional tire geometric model by rotationally scanning the characteristic line, and performing grid division on the model; setting tire material attributes, performing zoning setting on the model according to a tire crown, a tire shoulder and a tire side wall, and setting tire thickness based on zoning; applying a constraint boundary condition at the center of the tire, and establishing a contact form of the tread and the ground; a progressive inflation pressure load is applied, the deformation state of the inflated tire is calculated, and longitudinal rigidity, radial rigidity and lateral rigidity calculation and analysis steps are set; the tire elasticity modulus and the cord fabric thickness are used as design variables, and an optimization algorithm is adopted to solve a multi-objective optimization function. The method has the advantages of being simple in modeling method and high in practical operability, the tire modeling threshold can be lowered, and the fund and time cost of refined modeling is reduced.

The invention belongs to the technical field of tire engineering design, and discloses an engineering tire belted layer end structure finite element design analysis method and system. Comprising the steps of obtaining and preprocessing tire carcass contour data and initial belted layer parameters, conducting belted layer end parametric modeling on the basis of a standardized tire geometric model, constructing a durability finite element analysis model to obtain a stress-strain distribution field, conducting multi-parameter sensitivity analysis to determine a key influence factor weight matrix, and obtaining a stress-strain distribution field. And optimally designing a belted layer end structure based on the matrix, and finally performing durability verification and evaluation. According to the method, through accurate geometric expression, flexible parametric modeling, accurate performance analysis and multi-objective optimization design, belted layer end stress distribution uniformization and structural rigidity optimization are achieved.

The invention provides an aircraft tire shoulder heat generation optimization method and system based on interlayer pixel-level modeling, and relates to the technical field of aircraft tires, and the method comprises the steps: outputting an interlayer pixel-level model; extracting basic parameters of a tire shoulder area; tire shoulder heat generation simulation is executed, and a tire shoulder area temperature distribution cloud picture is output; positioning the highest temperature extreme value and the coordinate position of the high-temperature accumulation area; taking minimization of the maximum temperature extreme value as a heat generation temperature optimization target, taking a condition that the area of a high-temperature accumulation area is smaller than 15% of the total area of a tire shoulder area as a heat generation range constraint condition, and setting a parameter adjustment vector array of basic parameters of the tire shoulder area; executing particle swarm iterative optimization, and outputting tire shoulder optimization correlation parameters; and outputting the thermodynamic optimization parameters of the tire shoulder. According to the method, the technical problem that the durability and the critical speed of the tire are finally affected due to the fact that a macroscopic model is mostly adopted for calculation in an aviation tire shoulder heat generation optimization method in the prior art, and a detailed physical process between different hierarchical structures is ignored is solved.

This analysis device comprises: a sound absorption rate calculation unit that calculates a sound absorption rate on the basis of design information of a sound absorption structure; a modeling unit that generates a finite element model on the basis of design information of a tire; a sound absorption rate setting unit that sets a sound absorption boundary having a sound absorption rate to a finite element model on the basis of arrangement information of the sound absorption structure with respect to the tire; and a sound pressure analysis unit that analyzes a sound pressure distribution of an internal space of the tire on the basis of the finite element model in which the sound absorption boundary is set.

The invention discloses an intelligent simulation analysis method and system for standing wave characteristics and safety performance of an automobile tire, and relates to the technical field of intelligent simulation analysis and automobile safety. The intelligent simulation analysis method and system for the standing wave characteristic and the safety performance of the automobile tire comprises the following steps that S1, multi-dimensional simulation driving data are obtained and preprocessed; s2, reconstructing a tire structure response based on the preprocessed multi-dimensional simulation driving data, and measuring the intense degree of the structure response; s3, simulating tire temperature change in combination with a temperature rise simulation process, and judging whether temperature rise abnormity exists in the local area or not; and S4, carrying out space overlapping comparison on the structure response abnormity and temperature rise abnormity areas, and identifying a space overlapping state. The problems that a tire local high-temperature area and a standing wave high-response area are overlapped to cause structural instability easily, recognition is difficult to achieve in advance in the prior art, the monitoring mode is based on the overall trend, and a recognition and early warning mechanism for the local overlapping situation is lacked, so that the tire burst risk is difficult to perceive in time are solved.

The invention relates to the technical field of engineering tires, in particular to a rubber engineering tire performance evaluation method and system. The method comprises the following steps: acquiring tire sample basic attribute information, mine operation dynamic loading information and mine topographic feature information, and simulating the influence of acting forces in different directions on tires at different positions under the working condition of mine operation based on the mine operation dynamic loading information and the mine topographic feature information in combination with the tire sample basic attribute information. Dynamic orientation acting force characteristic information is obtained; on the basis of the basic attribute information of the tire sample and in combination with the dynamic azimuth acting force characteristic information, simulating the negative influence of the tire in the process of transmitting the dynamic acting force to the steel wire ring to obtain the negative performance information of the tire; and based on the tire negative performance information, evaluating the performance performance information of the tire in the long and short periods, and determining and outputting a tire performance evaluation report. The tire damage analysis is more targeted, and the evaluation depth and accuracy are greatly improved.

The utility model relates to the technical field of semitrailer tire burst safety protection, and discloses a semitrailer tire burst emergency locking safety protection device which comprises a hub body and a spoke, a first supporting ring is arranged on the upper portion of the center of the outer side of the hub body, and a second supporting ring is arranged on the lower portion of the center of the outer side of the hub body. A connecting adjusting device is arranged at the other end of the first supporting ring and comprises two square grooves, arc-shaped screw rods are arranged between one end of the first supporting ring and one end of the second supporting ring and close to the front portion and the rear portion, and the two ends of the two arc-shaped screw rods penetrate through the two square grooves correspondingly to the inner walls of the two square grooves; and the outer sides of the two end parts of the two arc-shaped screw rods are in threaded connection with locking nuts in a sleeving manner. According to the hub main body adjusting device, a worker can adjust the locking nut to adjust and adapt to the hub main body according to different sizes of the hub main body through the connecting adjusting device, so that the universality and the adaptability of the device are improved.

The present invention provides a high-pressure foaming system for the inside of a tire, wherein the high-pressure foaming system, while continuously loading and unloading tires, automatically and uniformly injects a high-pressure mixture of raw materials into the tires to effectively and continuously produce tires with sound insulation and sound absorption effects. The high-pressure foaming system includes: a loading conveyor on which tires are placed upright from the outside and continuously conveyed in a straight line toward a supply path; a rotary table which is arranged in a perpendicular direction so as to correspond to the end of the loading conveyor, and which rotates individual tires in a locked and fixed state and drives the tires to repeatedly rotate by a set operation angle; an unloading conveyor which is disposed spaced apart from the loading conveyor with respect to the rotary table and on which the tires that have passed through the rotary table are placed upright and then continuously conveyed in a straight line toward a discharge path; a switching conveyance gripper which is installed between the loading conveyor and the unloading conveyor so as to correspond to the rotary table and can grip and then pick up and convey tires, and which drives the supply and discharge of tires toward the rotary table; and a high-pressure foaming device which is disposed on the opposite side of the rotary table to the switching conveyance gripper, and foams a mixed primer at high pressure inside the tires fixed on the rotary table.

A customizable inner tire insert may include an inflatable duct; a puncture-resistant, pressure-adjustable insert at least partially surrounding the inflatable duct; and a valve in operable communication with the inflatable duct.

The utility model discloses a self-repairing explosion-proof protection structure in a tire, which relates to the technical field of tires and comprises a tire. The anti-explosion sticker is arranged on the inner wall of the tire and used for preventing the tire from bursting, the anti-explosion sticker comprises an outer rubber layer, a first foaming layer, a net-shaped tension layer and a second foaming layer, the outer rubber layer is arranged on the inner wall of the tire, the first foaming layer is laid on the side face of the outer rubber layer, the net-shaped tension layer is laid on the side face of the first foaming layer, and the second foaming layer is laid on the side face of the net-shaped tension layer. A layer of glue is smeared between the outer glue layer and the inner wall of the tire, anti-explosion pastes are assembled on the inner wall of the tire in all directions, and adhesive stickers are smeared on the inner wall of the tire in advance, so that the tire can be subjected to anti-explosion treatment in all directions, and after the tire is punctured, a damaged area can be subjected to automatic repair and air leakage prevention treatment; and meanwhile, the condition that a gap is formed between the foaming body and the tire can be avoided, so that the tire not only has an anti-explosion effect, but also has good riding comfort and safety.

The present application provides a sponge-filled automobile tire and a manufacturing method thereof, comprising a tire body and a sponge block; the tire body is provided with a through hole for passing through a hub, and a cavity is arranged in the tire body and communicates with the through hole, and the sponge block is inserted into the cavity; the sponge block is provided with a through opening, and a cloth sleeve is sleeved on the outer wall of the sponge block outside the through opening. The present application utilizes the design of the cloth sleeve, the cloth sleeve is sleeved on the outside of the sponge block, when the sponge block is filled into the cavity, the cloth sleeve on the outside of the sponge block is bonded with the glue sprayed on the inner wall of the cavity, avoiding the case that the sponge block is directly bonded inside the cavity, when the tire body is punctured, the cloth sleeve is separated from the tire body, so that the sponge block can be disassembled, which facilitates the disassembly of the sponge block, and avoids the case that the sponge block and the tire body are bonded and broken during disassembly of the sponge block, part of the sponge block is left in the cavity, which causes inconvenience in cleaning and repairing the tire body.

The present invention provides a tire dimension measuring device and a tire dimension measuring system that can measure the tread radius of a tire with high precision. [Solution] A tire dimension measuring device 1. It includes a tire holder 2 for holding a tire T in a vertical position with the tire rotation axis Tc horizontal, and a non-contact displacement meter 3 for measuring at least the tread radius of the tire T held by the tire holder 2. The non-contact displacement meter 3 further includes a mover for moving the held tire in the tire radial direction and / or tire axial direction, and measures the tire outer diameter and / or tire total width.

Pneumatic tire (12) with at least one damping element (8), wherein the at least one damping element (8) is located in an interior space (13) of the pneumatic tire (12) on an inner surface (7) of the tire opposite a tread (1) of the pneumatic tire (12), and wherein the at least one damping element (8) is at least partially made of a porous material and is designed to reduce noise, and wherein the at least one damping element (8) is bonded to the inner surface (7) of the tire, and wherein the pneumatic tire (12) is rotatable about an axis of rotation (R) in a direction of rotation (U), and wherein the at least one damping element (8) has at least one sound-interacting surface (18) and a maximum width (B) and a maximum height (H), wherein the maximum width (B) of the at least one damping element (8) is an extension of the at least one damping element (8).which extends perpendicular to the longitudinal axis (14) of the at least one damping element (8) and preferably parallel to the axis of rotation (R) of the pneumatic tire (12), and wherein a maximum height (H) of the at least one damping element (8) is such an extension of the at least one damping element (8) that extends perpendicular to the longitudinal axis (14) of the at least one damping element (8) and parallel to a radius of the pneumatic tire (12) and perpendicular to the axis of rotation (R) of the pneumatic tire (12), wherein the at least one sound-interacting surface (18) of the at least one damping element (8) is designed as a wave-shaped sound-interacting surface (18) according to at least one waveform, wherein the waveform follows a non-periodic function or a random pattern, in particular a random pattern based on a binary number sequence or a binary matrix, characterized in thatthat the waveform follows a damped function,

The application provides a four-wheel vertical load dynamic estimation system and simulation method of a variable load working condition commercial vehicle, relates to the field of vehicle motion characteristic simulation, and is composed of a nonlinear three-degree-of-freedom vehicle body model, a tire model, a four-wheel side slip angle / slip rate calculation model, a four-wheel vertical load solving model and a mass center position and spring mass estimation model. The mass center position and spring mass estimation model can be combined with the vehicle static axle load to estimate the mass center and mass related information, and correct the parameters in the vehicle body model and the vertical load solving model. The four-wheel vertical load and load transfer rate of the commercial vehicle can be obtained under the premise that the wheels are not additionally modified.

To provide a tire physical information estimation system, a calculation model generation system and a tire physical information estimation method which can construct a simplified calculation model to estimate physical information concerning a tire.SOLUTION: A tire physical information estimation system 100 comprises a physical information estimation part 32 and a data acquisition part 31. The physical information estimation part 32 has a learning-type calculation model 32a extending from an input layer to an output layer, which estimates tire physical information that is generated by motion of a tire 10. The data acquisition part 31 acquires data input to the input layer. The calculation model 32a has a feature extraction part that executes convolution calculation in which a filter is set in a first combination of the tire 10, a vehicle and a road surface condition, and a fully coupled part learnt in a second combination different from the first combination.SELECTED DRAWING: Figure 2

To provide a tire which enables improvement of durability of a conductive member when the conductive member used for signal communication and power supply of an electronic device is installed on an inner surface rubber layer, and to provide a manufacturing method of the tire.SOLUTION: A tire includes: an inner surface rubber layer 10 forming a tire inner surface; and a conductive member 20 disposed on the inner surface rubber layer 10. The conductive member 20 is formed of a knitted fabric at least partially formed of a conductive yarn 23 and having elasticity. At least a part of a conductive part 21 formed of the conductive yarn 23 is filled with an elastomer 25 for filling spaces in the knitted fabric.SELECTED DRAWING: Figure 3

The utility model discloses a radio frequency tire label without an antenna wing and a packaging structure in the technical field of radio frequency labels, the radio frequency tire label comprises a high temperature resistant radio frequency resonant cavity assembly and rubber type resin, the high temperature resistant radio frequency resonant cavity assembly comprises a bottom film, an aluminum foil loop antenna and a radio frequency chip, the rubber resin is coated on the surface of the high-temperature-resistant radio frequency resonant cavity assembly and covers the aluminum foil loop antenna and the radio frequency chip; a plurality of radio frequency tire labels without antenna wings are continuously arranged in a single row to form a strip-shaped structure, and the strip-shaped structure is rolled into a disc. The device can be applied to a finished tire rubber coating vulcanization process, is low in cost and high in labeling efficiency, can realize the tracing of tires, and ensures the rights and interests of consumers.

The invention relates to the technical field of tire structure automatic design, in particular to a tire material distribution diagram structure automatic configuration method and system, a storage medium and a software product. According to the method, efficient configuration and standardized output of tire structure parameters are realized through six steps of pre-selection configuration, dynamic page construction, conditional rule engine, accurate template matching, role-based configuration and intelligent output. The system can automatically analyze the XML file to generate an interactive interface, performs full-field comparison with a template library according to parameters, intelligently recommends a matching template and loads a structure schematic diagram, and finally outputs a UserXml file with a normative name. And when template matching fails, current configuration is supported to be stored for subsequent initialization. According to the method, the tire design efficiency is remarkably improved, human errors are reduced, and good universality and expandability are achieved.

The invention discloses a tire inner supporting system, a dismounting and mounting method thereof and a mining dump truck in the technical field of tire inner supporting, and the inner supporting system comprises a flexible ring and a rigid ring; the number of the flexible rings is at least two, one sides of the two flexible rings are attached to the inner walls of the two sides of the tire inner ring, the other sides of the two flexible rings are provided with first slopes, and the inner rings of the flexible rings are hooped on the rim body; the rigid rings are of a sectional type and are arranged between the flexible rings on the two sides, the adjacent sections of the rigid rings are connected through wedge-shaped structures or Z-shaped connecting rods, and loaded compression spaces are reserved in the radial direction of the connecting positions. The two sides of the rigid ring are provided with second inclined faces in contact fit with the first inclined faces of the flexible ring. Through the structural design of the flexible ring and the rigid ring, the flexible ring and the rigid ring are matched with a rim in a tire, the vertical load and the lateral load of a vehicle can be borne at the same time, and the rollover risk during steering of the vehicle is reduced; the combination of the flexible ring and the rigid ring ensures the bearing capacity of the inner support system and also has a vibration reduction function.

The application discloses a low-noise tire pattern pitch optimization method and device based on image processing and a medium, and the method comprises the following steps: S1, processing initial pattern information and calculating pitch length; S2, extracting groove boundaries and tire mark boundaries of a pattern pitch graph; S3, inputting basic parameters such as pitch and mark; S4, introducing an A-weighting filter for acoustic weighting; S5, calculating an initial noise spectrum; S6, optimizing a spectrum peak value in a harmonic range; S7, iteratively adjusting a pitch ratio and quantity until noise energy meets a threshold value, and outputting an optimal pitch sequence. Through the fusion of image processing technology and acoustic analysis, the pattern pitch design is systematically optimized, tire noise is significantly reduced, design efficiency is improved, and a research and development cycle is shortened.

The sound absorption rate calculation unit that calculates the sound absorption rate based on the design information of the sound absorption structure, the modeling unit that generates a finite element model based on the design information of the tire, and the sound absorption rate setting unit that sets a sound absorption boundary having a sound absorption rate in the finite element model based on the arrangement information of the sound absorption structure with respect to the tire, and a sound pressure analysis unit that analyzes the sound pressure distribution in the internal space of the tire based on the finite element model in which the sound absorption boundary is set.

The invention discloses a self-repairing mute tire and a preparation method thereof, and relates to the technical field of tires, the self-repairing mute tire comprises a tire body, and a self-repairing rubber layer and a mute material which are sequentially attached to the inner wall of the tire body from inside to outside; the self-repairing adhesive layer is prepared from the following components: epichlorohydrin rubber, acrylate rubber, a rosinyl phenyl phosphine oxide isoxazolyl functional polymer, 4, 4-chloroformyl phenyl ether, a catalyst, 2, 2-bis [4-(4-aminophenoxy) phenyl]-1, 1, 1, 3, 3, 3-hexafluoropropane, trithiocyanuric acid, a filler, an accelerant TMTD (Tetramethylthiuram Disulfide) and an auxiliary agent; the rosinyl phenyl phosphine oxide isoxazolyl functional polymer comprises structural units introduced through a condensation polymerization reaction of the following monomers: glycerol triabietate, bis (4-carboxyl phenyl) phenyl phosphine oxide and 3, 5-isoxazoledicarboxylic acid. The tire is remarkable in self-repairing effect, good in mute performance, sufficient in performance stability and long in service life.

To provide a tire scraping device and a tire scraping method capable of forming, on a tread portion of a tire, a traveling surface that improves ground contact while suppressing thermal deterioration of a surface of the tire during scraping, and capable of forming, on the tire, the traveling surface that approximates a circle having a predetermined diameter.SOLUTION: A tire scraping device 1 of the present invention comprises: a blade 20 that scrapes a surface of a tire; a blade attachment portion 22 to which the blade is attached; a blade rotation drive portion 24 that rotates the blade attachment portion; a tire holding portion 12 that holds the tire; a tire rotation drive portion 14 that rotates the tire while holding it; and a positioning portion 26 that can position the blade at a predetermined distance from a central axis X2 of the tire. By scraping the surface of the tire, a traveling surface of the tire is formed at the predetermined distance from the center axis of the tire while suppressing thermal deterioration of the surface of the tire during scraping.SELECTED DRAWING: Figure 1

The present disclosure generally relates to an apparatus for forming a foam layer structure onto an inner wall of a vehicle tire's body, comprising: a foaming machine (200) having a nozzle (210 or 210') for selectively discharging a foamable composite; a tire rotating device (100) having a base (110), a support (120) arranged relative to the base (110) to be selectively rotatable about a first rotational axis between the base (110) and the support (120), a bracket (130) arranged on the support (120) to be selectively rotatable about a second rotational axis between the support (120) and the bracket (130), and at least three claws (140) installed on the bracket (130) for releasably clamping a body of a vehicle tire (600) on the bracket (130) such that the central axis of the body of the vehicle tire (600) clamped by the claws (140) is coaxial with the second rotational axis, at least one of the tire rotating device (100) and the foaming machine (200) is movable to enable the nozzle (210 or 210') to be at least partially located in a hollow space surrounded by the body of the vehicle tire (600), wherein during and / or after application of the foamable composite on an inner wall of the body of the vehicle tire (600), the bracket (130) is driven to selectively rotate about the second rotational axis and / or the base (110) can be driven to selectively rotate about the first rotational axis, the first rotational axis is not coplanar with and at a right angle relative to the second rotational axis, and the foam layer structure is formed after the foamable composite is self-foamed and cured. The present disclosure also relates to a vehicle tire manufacturing system and a vehicle tire.

To provide a method for measuring a "cross-sectional meridian direction length" (a length along the contour line of a tire when grooves are ignored) based on a tire cross-sectional image.SOLUTION: An image processing method of an embodiment is a method for processing a tire cross-sectional image and includes: extracting, in the cross-sectional image, an inside contour line representing a tire inner face and an outside contour line representing a tier outer face as contour lines composed of point groups, the outside contour line including grooves; performing expansion processing and contraction processing on the cross-sectional image to fill the grooves in the outside contour line, thereby changing the outside contour line to a smooth line without the grooves; and integrating the distance between adjacent two points on the smooth line to determine the length along the smooth line from a predetermined starting point on the smooth line to a predetermined position on the smooth line.SELECTED DRAWING: Figure 6

A piezoelectric device comprises at least one piezoelectric layer P interposed between two conductive layers E, each layer E forming an electrode, characterized in that the layer P comprises at least one piezoelectric composition based on at least one elastomer matrix comprising predominantly at least one diene elastomer, a piezoelectric inorganic filler, a carbon black and a crosslinking system, and in that the content of piezoelectric inorganic filler is greater than or equal to 5% by volume, relative to the total volume of the piezoelectric composition, and the content of carbon black is greater than or equal to 6% by volume, relative to the total volume of the piezoelectric composition. A tire comprising at least one piezoelectric device defined above is also set forth.

The invention discloses special mute cotton for tires, which comprises a mute layer and a back adhesive tape, and the back adhesive tape is prepared from the following substances in parts by mass: 80-100 parts of styrene-butadiene-styrene block copolymer, 50-60 parts of tackifier, 20-30 parts of naphthenic oil, 5-15 parts of adsorbent, 1-2 parts of antioxidant 1520 and 1-2 parts of cross-linking agent. The prepared mute cotton does not need laser treatment and polishing, can effectively absorb a release agent on the inner wall of a tire, the bonding effect can reach cohesive failure of a self-adhesive layer, revolutionary change is achieved, tire agents, tire stores and even vehicle owners can operate the mute cotton by themselves, equipment assistance is not needed, construction is simple, cost is low, and large-scale popularization can be achieved.

The application discloses a kind of puncture-proof safety tire, comprising: body, including first cavity;Inner tube, first cavity is equipped in, first cavity includes first cavity wall, and first cavity wall includes first wall and second wall;First wall and inner tube between being equipped with first repair liquid bag and first elastic ring, one side of first repair liquid bag and first wall abut, the other side and first elastic ring abut;Second wall and inner tube between being equipped with second repair liquid bag and second elastic ring, one side of second repair liquid bag and second wall abut, the other side and second elastic ring abut.The application can when sharp object breaks first wall and first repair liquid bag, or break second wall and second repair liquid bag, repair liquid in first repair liquid bag will be filled in the position of scratch under the action of first elastic ring, and repair liquid in second repair liquid bag will be filled in the position of scratch under the action of second elastic ring, to repair first wall, second wall, avoid the damage of first wall, second wall and make inner tube damage.

The invention relates to the technical field of tire manufacturing, and particularly discloses a method for controlling rubber edge impurities of an all-steel-wire radial tire, the method for controlling the rubber edge impurities of the all-steel-wire radial tire is avoided from the design end of a production mold, and the method for controlling the rubber edge impurities of the all-steel-wire radial tire comprises the following steps: firstly, setting the width of a tread, and according to the set width of the tread, controlling the rubber edge impurities of the all-steel-wire radial tire; calculating the width of a belted layer of the tire, and calculating the width of a tire blank parting line according to the width of the belted layer; if not, the width of a mold parting line is set according to the width of the tire blank parting line; then, the height of a mold parting line is designed, whether the height of the mold parting line is reasonable or not is judged, if yes, a tire production mold is designed according to the set width of the mold parting line and the set height of the mold parting line, and by means of the method, generation of rubber edge impurities can be avoided from the design end of the production mold; the problems that in the prior art, rubber edges are prone to occurring in tire production, so that the production efficiency is low, and the cost is high are solved.