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179 results about "Radial tire" patented technology

A radial tire (more properly, a radial-ply tire) is a particular design of vehicular tire. In this design, the cord plies are arranged at 90 degrees to the direction of travel, or radially (from the center of the tire). Radial tire construction climbed to 100% market share in North America, following Consumer Reports finding the superiority of the radial design in 1968.

Pneumatic radial tire for passenger vehicle

Provided is a pneumatic radial tire for passenger vehicles in which the cross-sectional width SW of the tire and the outer diameter OD of the tire satisfy a predetermined relationship, and an end of the carcass (an end of a carcass turn-up portion when the carcass has the carcass turn-up portion) in one tire width-direction half that is on the inner side when the tire is mounted on a vehicle is located on the inner side in the tire radial direction than an end of the carcass turn-up portion in the other tire width-direction half that is on the outer side when the tire is mounted on a vehicle.
Owner:BRIDGESTONE CORP

Automatic feeding and discharging device for semi-steel radial tire production

The application discloses a kind of automatic feeding and discharging devices for semi-steel radial protruding white ring tire production, including hollow base, the top of the hollow base is provided with screw lifting assembly, the output structure transmission connection of screw lifting assembly is equipped with support shaft, and the one end of support shaft is equipped with pneumatic clamping component, the bottom of screw lifting assembly is provided with the rotary adjusting mechanism that is sleeved in the inside of hollow base one side.The automatic feeding and discharging device for semi-steel radial protruding white ring tire production, can be in the rotating pre-clamping process of second brake servo motor through first gear, second gear meshing transmission rotating shaft, screw lifting assembly, second brake servo motor makes inverted T type gear shaft linkage engagement two straight toothed plates by synchronous belt, and then by two straight toothed plates through corresponding transmission plate linkage corresponding curved elastic pressure frame plate, is clamped to the center by two curved elastic pressure frame plates synchronous to the multiple tire bodies in stacked state before clamping and maintains clamping effect.
Owner:SHANDONG LINGLONG TIRE CO LTD

Radial tire for engineering machinery

The utility model discloses a radial tire for engineering machinery, which relates to the field of tire design and comprises a tire tread, a linear pattern wall and a U-shaped pattern wall are fixedly mounted on the periphery of the tire tread, a first reinforcing rib is fixedly mounted between the linear pattern wall and the U-shaped pattern wall, and a second reinforcing rib is fixedly mounted between the linear pattern wall and the U-shaped pattern wall. Side pattern walls are fixedly mounted on the periphery of the tire tread and located on the front side and the rear side of the linear pattern wall, shoulder pattern walls are fixedly mounted on the periphery of the tire tread and located on the front side and the rear side of the side pattern walls, and shoulder grooves are formed in the surfaces of the shoulder pattern walls. The height of the first reinforcing ribs is reasonably arranged, the connecting strength between the pattern walls is enhanced, the overall tear resistance is improved, the second reinforcing ribs are matched, the overall rigidity of the tire is remarkably enhanced, the performance of the tire is improved, and the service life of the tire is prolonged.
Owner:JILIN LINGLONG TYRE CO LTD

Eco-friendly pneumatic passenger car radial tire with improved steering stability

The PET cord for manufacturing a cap ply and the cap ply manufactured using same according to the present invention have low heat shrinkage characteristics and a moderately low modulus even at high temperatures compared to PET having general heat shrinkage characteristics and high-temperature modulus, and exhibits a low modulus in a low elongation range, thereby solving disadvantages in the manufacturing process and providing higher reinforcement than nylon. In addition, the tire according to the present invention in which the bonding relationship between the tread and steel belt layer adjacent to the cap ply is adjusted can overcome the physical limitations that may occur when PET is used as a cord material of the cap ply.
Owner:HANKOOK TIRE & TECHNOLOGY CO LTD

Radial tire with fiber 0° belt and method for processing the same

PendingCN122354115AFiberSteel belt
This invention discloses a radial tire with a 0° fiber belt layer and its processing method, relating to the field of tire technology. It includes a steel belt layer, with a 0° fiber belt layer wound around its outer surface. The 0° fiber belt layer is covered by a tire crown, and the steel belt layer encloses a tire carcass. The processing method includes the following steps: S1, raw material conveying: the steel belt layer, the 0° fiber belt layer, and the tire crown are sequentially conveyed to a forming module via a conveying module; S2, steel belt layer forming; S3, 0° fiber belt layer forming; S4, tire crown forming; S5, tire blank transfer and assembly with the tire carcass. The 0° fiber belt layer tightens the steel belt layer, ensuring the radial tire's excellent impact resistance and durability. This allows for accurate alignment of the steel belt layer's oblique joints, ensuring the accuracy of subsequent processing, improving the processing efficiency of the steel belt layer, avoiding stress concentration caused by edge warping, and precisely solving the edge warping problem.
Owner:山东盛海橡胶有限公司

A device, method and computer terminal for calculating tire cornering stiffness

The application provides a kind of tire cornering stiffness calculation device, method and computer terminal, specifically relates to automobile tire stiffness calculation method technical field.The method comprises: the tire is radial tire, the calculation method comprises: obtaining the geometric parameters, material parameters and construction parameters of the tire;According to the geometric parameters and the material parameters, the pattern stiffness of the tire and the crown stiffness of the tire are calculated;According to the construction parameters of the tire, the cornering stiffness correction coefficient of the tire is calculated;According to the pattern stiffness of the tire, the crown stiffness and the cornering stiffness correction coefficient of the tire, and the cornering stiffness function obtained by pre-simulation, the cornering stiffness of the tire is calculated.Through the calculation method provided by the application, the accuracy of tire cornering stiffness can be improved, and reliable data guarantee is provided for vehicle control.
Owner:ZHONGCE RUBBER GRP CO LTD

Tire bead structure of all-steel radial tire

The utility model discloses a tire bead structure of an all-steel radial tire, which belongs to the field of tire structures and comprises a sidewall rubber area, a wear-resistant rubber area, a steel wire wrapping cloth area, a reinforced steel wire wrapping cloth area, an isolation rubber area, a tire body steel cord area, a steel wire ring area, a lower apex area, a lining layer area and an upper apex area. A layer of reinforced steel wire wrapping cloth is additionally arranged between the steel wire wrapping cloth area and the tire body steel cord area, and the height values of all end points of the steel wire wrapping cloth area, the reinforced steel wire wrapping cloth area, the tire body steel cord area, the upper apex area and the lower apex area are configured in a staggered difference level mode, so that the stress concentration problem of all component materials can be solved; wherein the end point of the inner side of the reinforced steel wire wrapping cloth area is located in the center of the bottom of the steel wire ring area, the purpose of reinforcing the tire bead can be achieved, stretching from the tire sidewall to the tire bead part can be reduced, and the risk that the tire sidewall cracks is reduced.
Owner:ZHONGCE RUBBER JIANDE CO LTD

All-steel radial tire with noise reduction function

ActiveCN224408827UTire beadFiber
The utility model relates to a tire technical field especially having a noise reduction function's all steel radial tire, including the carcass ply, the outer wall edge of carcass ply is provided with the bead wire, the connecting portion of carcass ply and bead wire is provided with the triangle gum, the inside of carcass ply is provided with the reinforced meridian, the outer wall suture of reinforced meridian has the connecting fiber, the inner wall of carcass ply has the airtight layer, the outer wall of carcass ply has the belt layer. The utility model is provided with two groups of staggered distribution's sipe pattern, and the asymmetric sipe pattern can reduce the noise when tire rolls, realizes the noise reduction operation of tire, through setting up sipe pattern and pattern groove perpendicular, it is convenient for the water to be discharged fast, improves the drainage performance of tire, through setting up six groups of connecting fiber, it is favorable to improve the connecting strength of reinforced meridian, avoids the deflection of reinforced meridian.
Owner:WEIFANG HUADONG RUBBER

Cut-resistant, low-heat-building all-steel engineering radial tire tread formulation and method of making

PendingCN122325856APolymer scienceEngineering
This invention relates to a cut-resistant, low-heat-generating all-steel radial engineering tire tread compound formulation and its preparation method, comprising: 70-80 parts natural rubber, 30-50 parts styrene-butadiene rubber, 20-40 parts carbon black, 10-15 parts silica, 2-3 parts silane coupling agent, 2-3 parts stearic acid, 3-4.5 parts zinc oxide, 3-5 parts antioxidant system, 1-2 parts dispersant, 1-4 parts sulfur, 1-4 parts accelerator, and 0.1-0.4 parts scorching inhibitor; the raw rubber of this invention... The system primarily uses natural rubber, which is high in strength and low in heat generation. It also incorporates solution-polymerized styrene-butadiene rubber (SBR) to overcome the high heat generation disadvantage of traditional emulsion-polymerized SBR. Furthermore, it utilizes a wet mixing technique involving carbon nanotubes and nano-carbon black in solution-polymerized SBR to resolve dispersion issues related to reinforcing fillers and carbon nanotubes. This results in a high proportion of binder, high strength, low heat generation, and outstanding abrasion resistance. Simultaneously, it also gives the formulation excellent cut and puncture resistance, effectively overcoming the issues of prominent shoulder and crown aortic ...
Owner:双钱集团(新疆)昆仑轮胎有限公司

Method for testing interlayer bonding strength of rubber-coated steel wire ring for radial tire

The invention relates to the technical field of vehicle tire test data analysis, in particular to a radial tire rubber-coated steel wire ring interlayer bonding strength test method which comprises the steps that a load data sequence and a displacement data sequence are collected through test equipment, wavelet transform filtering is applied to remove noise, and zero drift correction is carried out to obtain a smooth curve; calculating a linear regression determination coefficient and a slope standard deviation by adopting sliding window scanning to identify a feature interval; the maximum load value and the area under the curve are extracted from the feature interval to calculate the interlayer bonding strength value; effectiveness judgment and parameter adaptive adjustment are realized through material standard threshold comparison and variable coefficient analysis; and finally, automatically generating a test report for marking the feature interval. According to the invention, the defects of low manual operation efficiency, poor precision and insufficient consistency are overcome, and full-process automatic testing is realized.
Owner:SHANDONG LINGLONG TIRE CO LTD

Radial tire molding modular production line and production process thereof

The application discloses a radial tire forming modular production line, which comprises a forming drum device, a tire body forming system and a tread forming system; the forming drum device comprises a forming drum base, a forming drum machine box, a belt drum machine box and a combined forming device, the forming drum machine box and the belt drum machine box are respectively arranged on the front and rear sides of the forming drum base, the tire body forming system synthesizes a tire body semi-product on the forming drum, the tread forming system synthesizes a tread semi-product after the belt drum, and the forming drum machine box and the belt drum machine box transport the tire body semi-product and the tread semi-product to the combined forming device for rolling and forming. The application utilizes the mathematical differential principle to standardize the minimum units of each part of the tire, and then utilizes the mathematical integral principle to utilize the standardized minimum units to perform superposition according to the shapes of the parts by using an algorithm, and finally produces a tire embryo. The scheme can improve the production efficiency, reduce the production cost and has a wide application prospect.
Owner:CYRUS (GUANGZHOU) RUBBER TECH CO LTD

Radial bead profile measuring device

UndeterminedIR114096BTire beadMicrocomputer
In this invention, a device has been designed to accurately measure the circumference and weight of a radial tire bead. The goal of this innovation is to increase the accuracy, speed, and efficiency of the quality control process for tires produced in the country's tire manufacturing industry. The main problem with traditional methods, which are performed using templates and traditional scales, is low accuracy, operator dependency, and high error rates. The device is designed using digital image processing technology, which includes a Raspberry Pi camera and the SimpleBlobDetector algorithm in the OpenCV library, to calculate the diameter of the bead with an error of less than 1%. Also, using four load cell sensors equipped with the HX711 module, the weight of the bead is measured with high accuracy (error of 0.35% to 3.18%). The data is processed by the Raspberry Pi minicomputer and the results are displayed instantly on the LCD touch screen. This integrated system increases production efficiency by automating the measurement process and using cost-effective components, making it ideal for tire production lines and quality control laboratories.
Owner:MOHAMMAD AMIN MOLAKI +1

Method for controlling rubber edge impurities of all-steel-wire radial tire

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.
Owner:HEFEI WANLI TIRE CO LTD

Low-heat-generation high-modulus semi-steel radial tire body rubber composition and preparation method thereof

The invention discloses a low-heat-generation high-modulus semi-steel radial tire body rubber material composition and a preparation method thereof. The low-heat-generation high-modulus semisteel radial tire body rubber composition is prepared from the following raw materials in parts by weight: 80-100 parts of natural rubber, 30-50 parts of carbon black N326, 15-30 parts of carbon black N550, 1-5 parts of aromatic oil, 1-2 parts of stearic acid, 3-8 parts of indirect method zinc oxide, 1-5 parts of a low-heat-generation auxiliary agent, 1-2 parts of a modulus reinforcing agent, 1-3 parts of resorcinol formaldehyde resin, 1-3 parts of an anti-aging agent and 4-6 parts of insoluble sulfur. 1-2 parts of an accelerant and 2-3 parts of an adhesive RA-65. According to the semi-steel radial tire body rubber composition, formula materials are optimized, a proper amount of carbon black N326, carbon black N550, resorcinol formaldehyde resin, insoluble sulfur and the adhesive RA-65 are added on the basis of natural rubber, and the low-heat-generation auxiliary and the modulus enhancer are added for mutual coordination, so that the heat generation of the rubber is remarkably reduced, and meanwhile, the rubber composition has the advantages that the heat generation rate is increased, and the service life of the rubber composition is prolonged. And the high modulus of the rubber material can be maintained.
Owner:SHANDONG LINGLONG TIRE CO LTD

Production process of apex for high-load-resistance all-steel radial tire

The invention provides a production process of apex for a high-load-resistance all-steel radial tire, and belongs to the technical field of apex for tires. The production process comprises the steps of preparing a sizing material additive and mixing, the step of preparing the sizing material additive comprises the steps of preparing maleic anhydride sodium lignin sulfonate and compounding; the preparation method of the maleic anhydride sodium lignin sulfonate comprises the following steps: heating N, N-dimethylformamide to 60-65 DEG C, adding activated sodium lignin sulfonate, stirring at 78-82 DEG C for 30-40 minutes, heating to 92-97 DEG C, adding 4-dimethylaminopyridine and maleic anhydride, and stirring at 105-110 DEG C for 3.0-4.0 hours to obtain the maleic anhydride sodium lignin sulfonate. The apex obtained by adopting the production process disclosed by the invention is high in hardness and strength, strong in load resistance and excellent in high-temperature-resistant chemical performance.
Owner:WEIFANG SHUNFUCHANG RUBBER & PLASTIC CO LTD

Production device for high-strength tempered bead wire of radial tire

The application relates to a high-strength tempered bead wire production device for radial tires, which comprises a water tank, the top of the water tank is open, clean water, a heater and a water removal mechanism are arranged in the water tank, and the heater and the water removal mechanism are arranged left and right; the water removal mechanism comprises a fixed pipe, the fixed pipe is located above the clean water, the fixed pipe is parallel to the front and back directions, the rear end of the fixed pipe is sealingly and fixedly arranged on the inner wall of the rear side of the water tank, a rotating roller is coaxially arranged in the fixed pipe, and the two ends of the rotating roller are rotationally connected with the fixed pipe; rotating shafts are coaxially and fixedly arranged at the two ends of the rotating roller, first bearings are arranged on the two rotating shafts, and the outer rings of the first bearings are fixedly connected with the fixed pipe; a fan blade is arranged on the rotating shaft located at the front side of the rotating roller and located in the fixed pipe. The water removal mechanism can remove the water on the steel wire, so that the water droplets on the steel wire can be avoided, and water resources can be saved.
Owner:JIANGSU SHENGDA TECH

High-rubber-permeation compact steel cord and tire

The utility model discloses a high-rubber-permeation compact type steel cord and a tire, which comprise a core steel wire formed by weaving and twisting two or three monofilaments with the diameter of d1, and 15 steel layer wires are twisted on the periphery of the core steel wire; the layer filaments comprise middle layer filaments and outer layer filaments, the middle layer filaments are composed of five monofilaments with the diameter of d2, the outer layer filaments are composed of ten monofilaments with the diameter of d3, and d2 is larger than d1 and smaller than d3; the outer-layer filaments have two diameters, namely, five outer-layer filaments are d3-1, and five outer-layer filaments are d3-2; and the d3-1 and the d3-2 of the outer-layer filaments are alternately distributed. Compared with the prior art, the rubber permeation rate of the steel cord can be effectively improved, the corrosion resistance is better, the safety of the tire is higher, and the steel cord can be widely applied to carcass plies of radial tires of medium-sized and heavy trucks and passenger cars.
Owner:中天钢铁集团(淮安)新材料有限公司

Optimised tread and crown for a civil engineering tyre

The invention relates to a radial tyre for a civil engineering vehicle, the crown of which comprises two working layers (321, 322) and at least one protective layer. Each crown layer comprises elastic metal reinforcing elements, the protective layer having reinforcing elements that are 30% more elastic than those of the working layers. The crown is characterised by the thickness (ETE) at the shoulder and the thickness (ETM) at the centre of the tread. The crown thus described is optimal in terms of endurance and wear performance balance with an ETE / ETM ratio at most equal to 1.25. The point Me2 on the carcass layer located at a distance of 0.85 times L4m, the distance from the point farthest from the median plane, is a radial distance E85 from the point of intersection of the median plane and of the carcass layer. The ratio of E85 to 0.85*L4m is between 0.10 and 0.15.
Owner:MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)

All-steel snow tire tread pattern for comprehensive purpose of truck meridian and tire

According to the all-steel truck meridian comprehensive purpose snow tire tread pattern and the tire provided by the utility model, different steel sheet groove forms are designed on a central pattern block I, a middle pattern block II and a tire shoulder pattern block, so that the road holding property and the control stability of an ice and snow pavement are enhanced; the pattern main grooves are designed to be zigzag, and the tire shoulders are designed to be open tire shoulders, so that the water and snow discharging capacity and the control performance in the tire running process are improved, heat dissipation can be facilitated, and the early shoulder clearance failure rate of the tire is reduced; by means of the design, the tire is used for the ice and snow road surface, nails and antiskid chains are not needed, and the requirements for ice and snow ground gripping, braking performance and control stability in winter can be met. The tire not only meets the use requirement in winter, but also can be used for mixed roads.
Owner:AEOLUS TIRE

All-weather passenger car radial tire

The present application belongs to the field of radial tire. In order to solve the problem of relatively insufficient performance of traditional all-weather tire on ice and snow and in dry and wet land, the present application provides a strong grip all-weather radial tire for passenger car. Four unequal-width straight longitudinal grooves are distributed on the tread, and between the straight longitudinal grooves are pattern block A, pattern block B and pattern block C. Form I transverse groove is distributed on the pattern block A. Form II transverse groove is distributed on the pattern block B and the pattern block C, and the form II transverse groove on the two pattern blocks are 180° mirror images and are connected by 30°-38° diagonal lines. The form I transverse groove on the pattern block A is connected by 60°-70° diagonal lines with the form II transverse groove on the pattern block B. Form a, form b and form c small three-dimensional sipes are respectively distributed on the pattern block A, the pattern block B and the pattern block C. Form a small three-dimensional sipe is trapezoidal zigzag sipe, and form c small sipe is arc-shaped groove. The present application effectively improves the grip on ice and snow and in dry and wet land by the design of strong grip special area.
Owner:EVE RUBBER RES INST

Semi-component fixed length detection device for two-stage method semi-steel radial tire building machine

The utility model discloses a semi-part fixed length detection device for a secondary method semi-steel radial tire building machine, which relates to the technical field of tire production and comprises a fixed plate, mounting blocks are fixedly mounted at the top and the bottom of the fixed plate, slide rails are symmetrically and fixedly mounted on one side of the fixed plate, a base is slidably mounted between the two slide rails, and a fixed plate is mounted on the base. A mounting plate is fixedly mounted on one side of the fixing plate and located between the two sliding rails, and a linear guide rail is fixedly mounted on one side of the base through screws. The position of the fixed-length detection lens can be accurately adjusted according to a tire forming construction mark, the fixed-length length of the half part is directly detected through the detection device, the detection result is the actual fixed-length length of the half part, the fixed-length precision stability of the half part is improved, a traditional motor fixed-length mode is replaced, and the working efficiency is improved. And the problem of inaccurate actual fixed length caused by the phenomena of mismatching of front and rear conveying belt speeds, stretching of half parts, slipping of the half parts and the conveying belt and the like in the length fixing process of the motor is solved.
Owner:SHANDONG LINGLONG ELECTROMECHANICAL

Method for judging mixing filling coefficient of master batch internal mixer of all-steel radial tire

The invention relates to the technical field of master batch, and discloses an all-steel radial tire master batch internal mixer mixing filling coefficient evaluation method, which comprises the following steps: setting a filling coefficient gradient, selecting at least five filling coefficient values in a range of 0.650-0.750 at an interval of 0.010-0.015, executing a mixing process, respectively preparing master batch according to the selected filling coefficient, controlling the rotating speed to be 45-55r / min, controlling the rotating speed to be 45-55r / min, and controlling the rotating speed to be 45-55r / min. The mixing temperature is 160-165 DEG C, a multi-dimensional performance test is carried out, and when the mixing filling coefficient of the all-steel radial tire master batch internal mixer is judged, by establishing a multi-dimensional performance test system and setting differential judgment threshold values according to different master batch formulas, the definiteness of filling coefficient judgment under different process conditions is ensured, and the judgment accuracy of the filling coefficient of the all-steel radial tire master batch internal mixer is improved. Meanwhile, the filling coefficient and the comprehensive performance of the rubber material are subjected to correlation analysis, the problem of performance defects caused by improper selection of the filling coefficient can be identified in real time, and the stability of the mixing quality of the masterbatch is ensured.
Owner:DOUBLE COIN GRP JIANGSU TIRE

All-steel radial tire with heat dissipation function

The utility model relates to the field of tire, concretely is a kind of all-steel radial tire with heat dissipation function, including the tire body for supporting, the inside installation of tire body is bead ring, the inside installation of tire body near bead ring is steel cord layer, the end of steel cord layer is connected with steel belt layer, bead ring, steel cord layer and steel belt layer are used to strengthen the structural strength of tire body;The heat dissipation mechanism includes the annular groove for installing copper wire band ring on the shoulder of tire body both sides, the inner wall of annular groove is connected with the copper wire band ring for heat conduction.The utility model passes through copper wire weaving and copper wire band ring and transmits the temperature of tire body to outside, utilizes the wind generated by vehicle walking and cools tire body;By lock and scale layer, sharp object is blocked, prevent tire body from being punctured by sharp object.
Owner:WEIFANG HUADONG RUBBER

505 / 95r29 specification high load radial tire for nonferrous mine and its production process

ActiveCN121848859BIncrease the inner diameter of the jointIncrease the inner volumeTyresPneumatic tyre reinforcementsThermodynamicsMechanical engineering
The application discloses a 505 / 95R29 special high-load radial tire for nonferrous mine and a production process thereof, and relates to the technical field of tires. The application is characterized in that a concave V-shaped structure is arranged at the tire shoulder and the tire side, the transverse pattern groove of the tire tread extends to the tire side and is provided with a heat dissipation groove; the ring part is designed with full interference and is provided with anti-skid protrusions; a five-layer belt structure is adopted, the B1 belt layer is a two-piece small-angle split structure, and nylon reinforcing layers are arranged on both sides of the tire body. The application fills the design and development blank of the 505 / 95R29 special high-load radial tire for nonferrous mine by developing a new 505 / 95R29 special high-load radial tire for nonferrous mine and adopting a new production process, and solves the problems of insufficient load capacity of the current product of the large-tonnage wide-body vehicle and high failure.
Owner:SHANDONG HUASHENG RUBBER +2

Anti-aging radial tire and preparation method thereof

The invention discloses an anti-aging radial tire and a preparation method thereof, and belongs to the technical field of tire rubber. The tread, the sidewall and the base of the radial tire all adopt special IBR, the IBR has a high side branch and trans-1, 4 addition unit, wide molecular mass distribution and long-chain branched two-block structure, the compatibility between the base and the sidewall, between the base and the tread and between the tread and the sidewall can be improved, and after the whole tire blank is vulcanized, the tire blank is not prone to falling off, so that the service life of the tire blank is prolonged, and the service life of the tire blank is prolonged. The anti-aging and anti-cracking performances between the connecting and binding surfaces of all the parts are enhanced, the stress and impact resistance of the tire body are improved, and the rolling resistance of the tire is reduced; especially, the composite rubber material has the characteristics of good adhesiveness with a steel wire, aging resistance, digging and winding fatigue resistance and the like, replaces BR or existing TBIR in a traditional formula (because the compatibility of BR and NR is poor, the prepared composite material is not resistant to aging and is easy to crack), and can be used as a basic material of a high-performance green tire.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

General device for center mechanism of giant tire of engineering radial tire

The utility model relates to a universal device for a giant tire center mechanism of an engineering radial tire, and belongs to the field of tire production equipment. The center mechanism oil cylinder is fixed between the vulcanizing machine base and the center mechanism base and can drive the center mechanism cylinder barrel connected with the center mechanism base to move in the positioning guide sleeve, and a contraction water inlet and a straightening water inlet are formed in the lower end of the center mechanism cylinder barrel. A shrinkage water inlet can convey a power medium into a center rod of the center mechanism through a shrinkage center guide pipe, a lower piston is fixed to the lower end of the center rod of the center mechanism, an upper piston and a shaping height adjusting sleeve are arranged in the middle of the center rod of the center mechanism, and a straightening height adjusting sleeve is arranged between the upper piston and the lower piston. A capsule lower clamp fixing wire is arranged at the top of the center mechanism cylinder barrel, a center mechanism cylinder cover is installed at the top of the capsule lower clamp fixing wire, and a center mechanism base fixing wire hole is formed in the upper portion of the center mechanism base and connected with a center mechanism base fixing wire at the bottom of the center mechanism cylinder barrel.
Owner:TRIANGLE WEIHAI HUASHENG TIRE CO LTD

Tread driving pattern structure of heavy-load all-steel radial tire

The utility model relates to a tread driving pattern structure of a heavy-load all-steel radial tire. The tread driving pattern structure comprises a tire tread, the longitudinal pattern grooves are arranged in a staggered manner and comprise longitudinal Z-shaped zigzag main pattern grooves, first longitudinal Z-shaped zigzag pattern grooves and second longitudinal Z-shaped zigzag pattern grooves, the longitudinal Z-shaped zigzag main pattern grooves and the first longitudinal Z-shaped zigzag pattern grooves are opposite in direction, and the first longitudinal Z-shaped zigzag pattern grooves and the second longitudinal Z-shaped zigzag pattern grooves are opposite in direction; the transverse pattern grooves are used for connecting two adjacent longitudinal pattern grooves; the longitudinal pattern grooves and the transverse pattern grooves are encircled to form a plurality of uniformly distributed mahjong block-shaped pattern blocks with hexagonal structures, and three-dimensional transverse wave grooves are formed in the mahjong block-shaped pattern blocks. Compared with the prior art, the tire provided by the utility model has the advantages that the ground pressure distribution is more uniform, the wear resistance is higher, the probability of abnormal wear near the transverse pattern grooves of the tread of the tire is reduced, and strong driving force can be provided for the tire.
Owner:DOUBLE COIN GRP (CHONGQING) TIRE CO LTD +1

Commercial vehicle tires

The invention relates to a commercial vehicle tire of radial design with an airtight inner layer (1), which may optionally be combined with a filler profile (11), a horn profile (3), a single- or multi-layer carcass insert (4) with reinforcing elements made of steel cord or a material of similar strength, wherein the carcass insert (4) is folded around bead cores (5) in bead areas to form carcass folds (4a), wherein in each bead area a steel cord bead reinforcement (9) runs on the outside of the carcass insert (4), which surrounds the bead area and has a section (9a) extending on the outside of the tire and a section (9b) extending on the inside of the tire, wherein there is a gap between the inner layer (1) and the inner layer (1).Between the filling profile (11) and the section (9b) of the steel cord bead reinforcement (9) running inside the tire and the section of the carcass insert (4) adjoining this section (9b) in a radial direction, at least one reinforcement layer (12) having textile reinforcing elements embedded in a rubber compound is arranged, the reinforcing elements of which run parallel to the reinforcing elements in the carcass insert, wherein the horn profile is made of a sulfur-crosslinkable rubber compound of a specified composition.
Owner:CONTINENTAL REIFEN DEUTSCHLAND GMBH

Hydraulic tire vulcanizing machine

The utility model discloses a hydraulic tire vulcanizer which comprises a rack, power distribution cabinets and a rear inflation device, the power distribution cabinets are located on the two sides of the rack, the inner side of the rack is movably connected with a guide support, the lower end of the guide support is provided with an upper steamer in a positioning mode, and the lower end of the inner side of the rack is fixedly connected with a base. Tire mounting manipulators are movably connected to the front left side and the front right side of the rack, an upper beam is fixedly connected to the upper end of the rack, a middle column is fixedly connected to the middle of the inner side of the rack, a hot plate is fixedly connected to the upper end of the base, a lower tray is fixedly connected to the upper end of the hot plate, and a locking ring is positioned and mounted on the outer wall of the lower tray. The hydraulic tire vulcanizing machine disclosed by the utility model can be used for vulcanizing a wide-section high-grade radial tire, a green tire can be subjected to processes of automatic tire loading, shaping, vulcanizing, tire unloading and the like on the vulcanizing machine, and the tire is vulcanized and formed in a heating and pressurizing state.
Owner:XUZHOU DIESEN MASCH CO LTD