33results about How to "Does not affect dynamic balance" patented technology

The present invention discloses a polishing disk with internal circulated cooling, which pertains to the technical field of polishing equipment. This polishing disk mainly comprises combined polishing disk, swivel joint, internal piping system and external piping system. The combined polishing disk consists of upper disk and lower disk. On the lower disk, circular and spiral grooves are arranged, including solution feeding spiral groove and solution returning spiral groove. The two grooves are interleaved and centrally symmetric and converge on the outermost circle. At the starting point of the solution feeding spiral groove, a through threaded hole is arranged as water inlet. At the starting point of the solution returning spiral groove, a through threaded hole is arranged as water outlet. The lower disk and upper disk are connected with bolts on outer edge. Circular grooves are formed inside the combined polishing disk. The spiral circular grooves in the present invention are easily processed. As the grooves adopt a centrally symmetric structure, the dynamic equilibrium is not affected. The inlet and outlet of the cooling groove are both in the middle of the polishing disk to realize the circular cooling of the coolant that enters and leaves the polishing disk from its middle part, creating convenience for the arrangement of the piping system.

The invention provides an anti-pricking and anti-busting scientific and technical safety tire and a machining method thereof. The tire structurally comprises a tread rubber layer (1), a buffering layer (2), a steel wire band bundle layer (3), a curtain cloth layer (4), an airtight layer (5) and a polymer synthesis memory sizing material layer (6) in sequence from outside to inside. The thickness of the polymer synthesis memory sizing material layer (6) ranges from 1.5 mm to 20 mm. The tire has the beneficial effects that the polymer synthesis memory sizing material layer is sprayed to the inner surface of the tire, so that the tire is high in strength, stretchability and adhesion, the softening point of the sizing material layer is higher than 150 degrees, the glass transition temperature point of the sizing material layer is lower than -35 degrees, it can be guaranteed that no air leaks from the tire and the tire does not burst when the tire is pricked by foreign matter; spraying is conducted in a free follow-up mode, the evenness of the sizing material spraying effect is guaranteed, and the dynamic balance of the tire is not affected; and the tire can be prevented from being oxidized and polluted by air through an anti-adhesive and anti-pricking sealing protection layer, meanwhile, the anti-pricking and sizing layer shaping capacity is extremely high, ultraviolent rays can be prevented, and the reliability of the product is improved.

The invention provides an explosion-proof wheel assembly. With the explosion-proof wheel assembly, when tire burst is unexpectedly generated or a tire is shot by bullets, the tire is in the state of zero pressure, such that the vehicle load can be effectively supported, and the can vehicle continuously travel a long distance at high speed . The explosion-proof wheel assembly comprises a tubeless tire, a wheel rim, a support body, a valve and connectors. The support body is arranged in the middle position of the tubeless tire and the rim. High temperature lubricating grease is coated on the middle position of the support body and the rim, such that the support body can slide relative to the rim when the safe wheel continuously travel at the state of zero pressure. The material of the support body can be a nonmetal material or a metal material. According to by the present invention, the explosion-proof wheel assembly is realized through small improvements of the existing wheel, the normal travelling of the vehicle is not affected, the vehicle comfort is not affected; the safety of the vehicle travelling can be significantly improved when the unexpected event is generated; the explosion-proof wheel assembly provided by the present invention has characteristics of good heat dissipation performance, convenient disassembly and assembly, reusability so as to reduce the cost.

Provided is a double rotor test machine for cylindrical roller bearings. The double rotor test machine comprises a body frame, a rotor shaft, a radial loading device, and a monitoring device, wherein the rotor shaft is arranged on the body frame, and the radial loading device is arranged above the rotor shaft and is fixedly connected with the body frame; the rotor shaft is in turn provided with a first assistant test device, a test bearing fixture and a second assistant test device; the two ends of the rotor shaft are also respectively provided with a support device; the rotor shaft is composed of an inner rotor shaft and an outer rotor shaft; a lower ring lubricating sleeve of the test bearing fixture is sleeved at the test end of the inner rotor shaft; a test bearing is sheathed on the lower ring lubrication sleeve; the outer ring of the test bearing is pressed in the inner hole of outer rotor shaft test end; the support device comprises an axially loaded bearing and a support bearing arranged in parallel, the supporting bearing is positioned inside of the axially loaded bearing, and an axial loading device is also arranged outside of the axial loading bearing. The test process of the double rotor test machine for the cylindrical roller bearings is scientific and can effectively test various parameters of large bearings at high speed.

The invention discloses a bellows mechanical sealing device with a self-circulation function, which comprises a shaft sleeve, a sealing gland, an elastic compensation component, a moving ring, an auxiliary sealing part and a pump ring. The elastic compensation component comprises a bellows, a static ring and an end cover; the static ring and the end cover are connected to both ends of the bellows in a sealing manner; the end cover is fixed on the sealing gland; the outer wall of the shaft sleeve is provided with a step; one side of the moving ring is abutted against the step; the pump ring is propped against the moving ring by a wave spring; a clamp spring is arranged on the shaft sleeve in a position outside the pump ring; the pump ring and the moving ring are clamped on the shaft sleeve by the clamp spring and the step; anti-rotating parts are respectively between the shaft sleeve and the moving ring and between the shaft sleeve and the pump ring; a ring-shaped clamping groove is formed in the shaft sleeve in a position outside the end cover; and a limiting plate is clamped in the clamping groove and is fixed on the sealing gland. The elastic compensation component is fixed with the sealing gland, the moving ring and the pump ring are clamped on the shaft sleeve by the step and the clamp spring and the sealing gland and the elastic compensation component are limited on the shaft sleeve by the limiting plate, so as to form a cartridge mechanical seal.

The invention belongs to the field of automobile spare parts, and discloses a battery-free automobile tire pressure monitoring transmitter capable of freely moving in a tire. The battery-free automobile tire pressure monitoring transmitter comprises a shell, a kinetic energy collecting device, an electric generation device and a circuit board; the shell is composed of two hollow hemispheres, and an air vent is formed in the outer wall; the kinetic energy collecting device is used for collecting rolling kinetic energy, jolting and vibration kinetic energy, shaking kinetic energy or ground touching impact kinetic energy coming from the inner wall of the tire; the electric generation device converts the kinetic energy to alternating current electric energy in an electromagnetic induction electric generation mode; the circuit board comprises a tire pressure monitoring chip and an antenna, and further comprises an energy storage element, a rectifier charging device, a linear voltage regulator and an electric energy detector. Through four links of kinetic energy collecting, kinetic energy releasing, electric generation and charging and electricity supplying, the technical problems in multiple aspects of electricity supplying for the tire pressure monitoring chip are solved, and a plurality of optimized specific implementation plans are provided according to different kinetic energy collecting modes; and according to the battery-free automobile tire pressure monitoring transmitter capable of freely moving in the tire, the structure is simple, reliability is high, using is simple,the cost is low, and market competitiveness is high.

The invention discloses a method for upgrading a common tyre to an explosion-proof leakproof tyre. The method comprises the following steps: dismantling an old tyre and removing the tyre from a hub; polishing the internal surface of the tyre with a steel brush, clearing off impurities such as a release agent, wax and the like from the internal surface; melting a polymer synthesis memory rubber material block, and spraying the molten polymer synthesis memory rubber material onto the internal surface of the tyre; cooling the tyre with the internal surface sprayed with the rubber material to be solidified; remounting the dismantled hub onto the tyre sprayed with the memory rubber material; and carrying out dynamic balancing and calibration on the tyre equipped with the hub. The upgraded tyre comprises a tyre main-body, and the bottom of the internal surface of the tyre is coated with a layer of the polymer synthesis memory rubber material. As the polymer synthesis memory rubber material has high strength, high stretchability and high viscosity, it can be guaranteed that the tyre is leakproof and explosion-proof when pierced by a foreign matter and has a noise-reduction function.

The present invention discloses vulcanized patch for cold repairing all steel radial tire and special glue for repairing tire with the patch. The vulcanized patch is one vulcanized and formed rubber body with adhering surface and embedded steel wire cord. When it is used in cold repairing tire, there is no need of secondary vulcanization of the local tire, and the repaired tire has greatly prolonged service life and unaffected dynamic balance and may be retreaded for the second time. The repaired tire is further vulcanized by means of the friction heat between the tire and ground and the patch has firm combination to the tire and excellent sealing performance. The cold repair has short repair period, low cost and high strength.

The invention discloses a novel magnetofluid tire sealing material taking methylsilicone oil as a continuous phase, and belongs to the technical field of tires. The formula of the material is characterized by consisting of the methylsilicone oil, talcum powder, nanoscale ferroferric oxide powder, nanoscale AlNiCo magnet powder, diethyl ethylene diamine, terminal group polyisobutene, petroleum sodium sulfonate, silicone rubber particles and polyvinyl acetate emulsion. The material provided by the invention is mainly used in a radial tire of a steel cord layer, and is the novel magnetofluid tire sealing material which cannot affect the dynamic balance of a wheel, is capable of filling a gap (the diameter is less than or equal to 10mm) by self, and is free of dried-up and freezing, good in stability and durable. After using the material, along with the rotation of the wheel, a circle of magnetofluid is uniformly hung on the inner wall of the tire; the magnetofluid provided by the invention can be stably and uniformly hung on the inner wall of the tire for a long time due to that fact that the magnetofluid is subjected to the suction effect of a steel cord cloth layer in the tire, so that the dynamic balance of the wheel cannot be affected, and this is revolutionary improvement compared with the prior art.

The invention discloses a novel tubeless pneumatic tire without sidewall supporting. Part of the inner surfaces of beads of the tire, and / or the inner surfaces of sidewalls, and / or the inner surfacesof shoulders are provided with wear-resistant layers and / or wear-resistant lubricating layers. After the zero-pressure tire is flattened, two inner surfaces of the inner layer of the tire are in contact with each other; the wear-resistant layers are arranged at the contact position so as to improve the wear resistance and increase the driving mileage and driving speed of the tire; the wear-resistant lubricating layers are arranged at the contact position so as to reduce the friction coefficient of a contact surface, reduce the friction and reduce the risk of detachment of the tire; the reduction of the friction can improve the wear resistance and increase the driving mileage of the tire; the reduction of the friction is capable of reducing the rolling resistance of the tire, reducing the situation of unbalanced stress on wheels on two sides, and improving the handling of a vehicle; and in the contact position, when a tread slides towards one of the shoulders, two steeply-sloped side surfaces of a protrusion structure on the side adjacent to the corresponding shoulder are in contact with each other so as to prevent the tread from sliding towards the corresponding shoulder and improve the handling of the vehicle.

The invention relates to an industrial high-foam type kitchenware cleaning agent which comprises the following components: fatty alcohol-polyoxyethylene ether, sodium olefinsulfonate, powdered pentahydrate sodium metasilicate, sodium gluconate, amphoteric imidazoline, sodium carbonate, terpene and deionized water. A production method comprises the following steps: firstly putting the deionized water into a stirring kettle; putting powdered pentahydrate sodium metasilicate and sodium gluconate into the stirring kettle and stirring for 15 minutes; then putting fatty alcohol-polyoxyethylene ether and sodium olefinsulfonate into the stirring kettle and continuously stirring for 12 minutes; putting amphoteric imidazoline and sodium carbonate into the stirring kettle and stirring for 10 minutes; finally putting terpene into the stirring kettle and stirring for 15 minutes to obtain the industrial high-foam type kitchenware cleaning agent. The industrial high-foam type kitchenware cleaning agent is good in decontamination effect, can remain for at least 3 seconds on the appliance surface to prolong the reaction time and does not damage the Teflon surface, rust and affect the dynamic balance of an impeller in kitchenware with the rotating impeller. During manual operation, the industrial high-foam type kitchenware cleaning agent also has the advantage that hands are not hurt.

The invention discloses a new tire sealing material composed of high-molecular polymers, and belongs to the technical field of tires. The new tire sealing material comprises ethylene-vinyl acetate resin, polyisobutylene, polyethylene wax, bentonite nano-particles, rosin, ethyl cellulose, a rubber antioxidant 4020, silicone rubber particles and rubber oil. The new tire sealing material is mainly applied to meridian vacuum tires, is a new tire sealing material with the advantages of realization of rapid self gap (with the diameter being not greater than 10mm) filling without influencing the dynamic balance of wheels, no withering, no freezing, high reliability, good stability and good durability, and can be used in -60 ~ 100 DEG C environment for a long term. The above product contains various high-molecular polymers, and is in a liquid-solid concurrent gluing state in tires, can stably and uniformly adhere to the inner walls of the tires for a long term in order to realize zero leakage without influencing the dynamic balance of the wheels, so the new material innovatively breakthroughs materials in the prior art.

The invention discloses a tire sealing composite new material containing BN-2 tackifying resin, and belongs to the technical field of tires. The tire sealing composite new material is characterized by being produced from BN-2 tackifying resin, NR natural rubber, a cross-linking agent BPO, nanoscale kaolin particles, tung oil, carbon fibers, a rubber anti deteriorant MB, butadiene styrene rubber particles, and methyl hydroxy silicone oil. The tire sealing composite new material is mainly applied in meridian vacuum tires, can quickly realize self complementing of nicks (diameters are smaller than or equal to 10mm), and is free from drying up, free from freezing, high in reliability, good in stability, and durable (the tire sealing composite new material can be used for a long time under the environment of minus 60 to 106 DEG C). The tire sealing composite new material disclosed by the invention contains varied high molecular polymers, is in a liquid-solid coexisting tacky state in the tires, and can be stably and uniformly adhered to the inner walls of the tires for a long term, so that the dynamic equilibrium of wheels is not influenced, and the tire sealing composite new material also has the effect of zero leakage, which are actually revolutionary improvement compared with the prior art.

The invention discloses a motor test spacer-bush-type coupling and a dismounting method thereof, wherein the coupling comprises an inner spacer bush (1) sleeved on a motor rotary shaft (7), a pressing ring (6), an outer shaft sleeve (2) sleeved on the inner spacer bush (1) and at least six M20 bolts (3); the excircle at the larger end of the inner spacer bush (1) is connected with a female end of the pressing ring (6); and each bolt is connected with the outer shaft sleeve (2) and the motor rotary shaft (7) through a spring washer (4), a flat washer (5) and bolt holes on the pressing ring (6). The dismounting method of the coupling comprises the mounting of the motor test spacer-bush-type coupling and the dismounting of the dismounting of the motor test spacer-bush-type coupling. The coupling provided by the invention has the advantages of simple structure, low cost, short time of dismounting, high production efficiency, and is safe and reliable in use; and after the coupling is used, the motor shaft extension and the inner spacer bush of the coupling can not cause the problems of dimension deformation and surface damage and the like, the motor shaft extension is not damaged, the service life of the inner spacer bush is prolonged, and the motor dynamic balance is not influenced and the like.

The invention discloses a new tire sealing composite material containing RX-80 tackifying resin, which belongs to the technical field of tires, and its formula is characterized by: RX-80 tackifying resin, butadiene rubber, triethylene Composed of tetramine, silica powder, catalpa oil, cuprammonium fiber, naphthol, butadiene rubber particles, and dioctyl ester. The present invention is mainly used in radial vacuum tires, and is a fast self-filling gap (diameter less than or equal to 10mm), non-drying, non-freezing, high reliability, good stability, long-lasting and durable tire sealing composite new material (it can be used in -60°C-112°C environment for long-term use). The product of the present invention contains a variety of high molecular polymers, and its state in the tire is an adhesive state where liquid and solid coexist, and can adhere to the inner wall of the tire stably and evenly for a long time, thereby not affecting the dynamic balance of the wheel. The effect of zero leakage is achieved, which is indeed a revolutionary improvement compared with the prior art.

The invention relates to the field of production and application technologies of polymer memory rubber, specifically to a polymer memory rubber tire cold patch and production equipment and a production technology thereof. A common polymer patch has excessive thickness and excessive dead load, which influence dynamic balance of wheels and easily lead to tangent displacement and secondary leakage. The invention provides a tire cold patch prepared from polymer memory rubber. The cold patch is light and durable in use, and the tire repair operation is simple and fast. In addition, the cold patch has a good tire repair effect and is not easy to cause displacement and shedding. The polymer patch comprises a base layer, a rubber layer and a release paper layer. The thickness of the rubber layer is 0.1-1.8 mm. The product is used for repairing of pneumatic tires for passenger vehicles and buses. The cold patch of the invention is light, thin and durable in use, requires no polishing treatment,is simple, convenient and fast to operate, is not easily influenced by the centrifugal force generated by rotation of tires to shift, and can effectively avoid secondary repairing of tires.

The invention discloses a novel tire sealing composite material containing maleic resin, and belongs to the technical field of tires. The novel tire sealing composite material is characterized by being prepared from maleic resin, polyether rubber, tetrabutyl titanate, PVC micro powder, citronella oil, smashed polyacrylonitrile fibers, a rubber antioxidant 1076, polyether rubber particles and polyether modified silicone oil. The novel tire sealing composite material is mainly applied to radial vacuum tires, and the novel tire sealing composite material can achieve rapid self-mending of notches with the diameters smaller than or equal to 10 mm, cannot be dried up or frozen, is high in reliability, good in stability and durable and can be used for a long time in an environment of 60 DEG C to 112 DEG C. The novel tire sealing composite material contains multiple high-molecular polymers, is in a liquid-solid coexisting sticky state in the tires and can be attached to the inner walls of the tires stably and evenly for a long time, therefore, dynamic balance of wheels is not affected, a zero-leakage effect is achieved, and compared with the prior art, revolutionary improvement is achieved indeed.

A paper-making drying cylinder is provided with a steam pipe and a supporting pipe inside. The drying cylinder is provided with an inner cylinder, and the inner cylinder is provided with evenly distributed steam injection holes and is fixed on the steam pipe and the supporting pipe. In the present invention, an inner cylinder with steam injection holes is arranged in the drying cylinder and fixed on the steam pipe and the support pipe. The steam enters the inner cylinder from the steam pipe, flows out from the steam injection holes of the inner cylinder at high speed, and impacts on the inner wall of the drying cylinder. The condensed water ring layer makes it disturb and turbulent, which greatly reduces the heat transfer resistance of the condensed water ring layer, improves the heat transfer efficiency, and does not affect the dynamic balance of the high-speed drying cylinder. At the same time, the structure is simple and the parts Easy to process.

The invention discloses a grounding gun installed on a rotating shaft. The grounding gun is connected with a steering support on the rotating shaft and comprises a first supporting plate; a fasteningnut connected with a unit large cover bolt of the rotating shaft is connected below one end of the first supporting plate, and the other end is connected with a second supporting plate; the upper endof the second supporting plate is connected with a steel pipe; a through long-strip-shaped hole is axially formed in the middle of the pipe wall of the steel pipe; a spring is arranged in the steel pipe; a first spring seat and a second spring seat are respectively arranged at two ends of the spring; the other side of the second spring seat is connected with a graphite rod; an adjusting sleeve capable of axially sliding sleeves the outer wall of the steel pipe; a radial locking screw hole is formed in the adjusting sleeve; a locking bolt is connected to the radial locking screw hole, a positioning nut is connected to the radial side of the outer wall of the adjusting sleeve; a screw rod is arranged on the positioning nut; the end of the screw rod is connected with one end of a connecting rod; the other end of the connecting rod penetrates through the long-strip-shaped hole and then is connected with the first spring seat; and a rotating wheel facilitating rotation is arranged at the tail end of the screw rod.

The present invention discloses a polishing disk with internal circulated cooling, which pertains to the technical field of polishing equipment. This polishing disk mainly comprises combined polishingdisk, swivel joint, internal piping system and external piping system. The combined polishing disk consists of upper disk and lower disk. On the lower disk, circular and spiral grooves are arranged,including solution feeding spiral groove and solution returning spiral groove. The two grooves are interleaved and centrally symmetric and converge on the outermost circle. At the starting point of the solution feeding spiral groove, a through threaded hole is arranged as water inlet. At the starting point of the solution returning spiral groove, a through threaded hole is arranged as water outlet. The lower disk and upper disk are connected with bolts on outer edge. Circular grooves are formed inside the combined polishing disk. The spiral circular grooves in the present invention are easilyprocessed. As the grooves adopt a centrally symmetric structure, the dynamic equilibrium is not affected. The inlet and outlet of the cooling groove are both in the middle of the polishing disk to realize the circular cooling of the coolant that enters and leaves the polishing disk from its middle part, creating convenience for the arrangement of the piping system.

The invention relates to a suspension motor rotor suspension position, deflection angle and rotating speed integrated detection system and application, and belongs to the technical field of detection instruments. The system comprises a radial test piece, an eddy current sensor, a front-end device and a processor, the eddy current sensor is connected with the front-end device, the front-end device is connected with the processor, the front-end device is used for supplying power to the eddy current sensor and detecting an analysis circuit, and the processor is used for processing a measurement result of the eddy current sensor. The technical problems that a rotor detection device in the prior art is complex in structure, poor in measurement position and rotation speed detection precision and low in resolution are solved.

The invention discloses a run-flat tire system with a support ring arranged on the inner side of a tread, which comprises a rim, a support ring and a tire which are matched with one another, and is characterized in that the rim is provided with a flat-bottom deep groove which is convenient for disassembling and assembling the tire and matches the support ring to support a wheel in a run-flat state; the support ring is a non-detachable support ring or a detachable support ring; a non-detachable supporting ring is arranged on the inner side face of the tire tread of the tire, or a connecting part used for being matched with the detachable supporting ring to be connected and fixed is arranged; and the detachable support ring is connected with the connecting part through a zipper or a bindingrope or a bolt so as to be fixed on the tire. When the tire is deflated, the ground contact area of the tread is small, less heat is generated, and the durability of deflated continuation is not influenced; the safety and comfort are not deteriorated, the supporting ring and the tire are easy and convenient to disassemble and assemble, the structure is simple, the comprehensive cost is low, and the automobile tire can be widely applied to common automobiles.

The invention discloses a new magnetofluid tire seal material taking ethyl silicon oil as continuous phase, belonging to the technical field of tires. The formula of the new magnetofluid tire seal material is characterized by comprising the ethyl silicon oil, titanium dioxide, nanoscale ferroferric oxide powder, nanoscale Fe-Si-Al magnetic powder core micro-powder, N, N-dimethyl amino-propylamine, OP-10, petroleum sodium sulfonate, butadiene rubber particles and liquid polysulfide rubber. The new magnetofluid tire seal material taking the ethyl silicon oil as the continuous phase is mainly applied to a radial tire with a steel wire curtain layer, does not influence the dynamic balance of a wheel, is capable of rapidly self-repairing a nick (with the diameter less than or equal to 10mm), is not dried-up and frozen, and is high in reliability, good in stability and durable in use. After the new magnetofluid tire seal material is used, a circle of magnetofluid is evenly attached to the inner wall of the tire along with the rotation of the wheel; the magnetofluid is stably and evenly attached to the inner wall of the tire for a long time under the attraction of the steel wire curtain layer in the tire, so that the dynamic balance of the wheel is not influenced; compared with the prior art, the new magnetofluid tire seal material taking the ethyl silicon oil as the continuous phase is a revolutionary improvement indeed.

The invention discloses a novel hub for a tubeless wheel. Annular supporting ribs are arranged between two rims and higher than the rims and provided with technical tire mounting notches, two sides of each annular supporting rib are provided with technical tire mounting grooves, and a tire can be turned across the annular supporting ribs through the technical tire mounting notches and the technical tire mounting grooves to complete tire mounting and demounting operations. The annular supporting ribs are rough in surface and / or provided with a plurality of notches to form sawtooth structures. Therefore, even a vehicle is driven when the tire is flat or insufficient in air pressure, the two rims of the hub can serve as a main support while the annular supporting ribs and a road surface jointly extrude the tire contacting with the ground to form an auxiliary support, slipping of the tire and the novel hub in emergency braking of the vehicle can be prevented, and uncontrollability in braking and steering of the vehicle having the flat tire in running can be prevented. In addition, when the wheel is stressed axially, axial relative movement of the tire and the novel hub can be reduced, and accordingly overturning caused by rim landing resulted from separation of the tire from a bead seat of the novel hub is prevented.

The invention discloses a novel material taking cyanogen-containing silicone oil as a continuous phase and used for magnetic fluid tire sealing and belongs to the technical field of tires. The formula of the novel material is characterized by comprising the cyanogen-containing silicone oil, barium sulfate powder, nano-scale samarium cobalt magnet powder, nano-scale ferrite magnet powder, diethyl ethylene diamine, magnesium stearate, rosin amine, isoprene rubber granules and an acrylate adhesive. The novel material is mainly applied to a radial tire adopting a steel wire tire cord layer, doesn't affect the dynamic balance of wheels, can rapidly and automatically repair a notch with the diameter smaller than or equal to 10 mm, is not dried up, doesn't freeze and is high in reliability and stability and durable. After use, with rotation of the wheels, a circle of magnetic fluid is uniformly applied to the inner wall of the tire. The magnetic fluid can be stably and uniformly applied to the inner wall of the tire through the suction action of the steel wire tire cord in the tire, the dynamic balance of the wheels is not affected, and revolutionary improvement is really realized by comparison with the prior art.

The invention discloses a run-flat tire system in which a support ring is arranged on the inner side of the tread, which comprises a rim, a support ring and a tire which cooperate with each other. Cooperate with the support ring to support the flat-bottomed deep groove of the wheel; the support ring is a non-detachable support ring or a detachable support ring; the inner surface of the tire tread is provided with a non-detachable support ring, or is provided with a detachable support ring The fixed connection part is connected; the detachable support ring is fixed on the tire by connecting with the connection part through a zipper or a rope or a bolt. When the tire of the present invention is deflated, the tread contact area is small, and the heat generation will not affect the durability of the deflated continuation. Low cost, can be widely used in ordinary cars.

The invention discloses a tire sealing composite new material containing BRTR tackifying resin, and belongs to the technical field of tires. The tire sealing composite new material is characterized by being produced from BRTR tackifying resin, ethylene propylene rubber, a cross-linking agent tac, nanoscale silicon carbide particles, cottonseed oil, cullet fibers, a rubber antioxidant T501, butadiene rubber particles, and hydrogen-containing silicone oil. The tire sealing composite new material is mainly applied in meridian vacuum tires, can quickly realize self complementing of nicks (diameters are smaller than or equal to 10mm), and is free from drying up, free from freezing, high in reliability, good in stability, and durable (the tire sealing composite new material can be used for a long time under the environment of minus 60 to 110 DEG C). The tire sealing composite new material disclosed by the invention contains varied high molecular polymers, is in a liquid-solid coexisting tacky state in the tires, and can be stably and uniformly adhered to the inner walls of the tires for a long term, so that the dynamic equilibrium of wheels is not influenced, and the tire sealing composite new material also has the effect of zero leakage, which are actually revolutionary improvement compared with the prior art.

The invention relates to the technical field of automobile tires, and discloses a tire inner support safety locking device, comprising a spoke, the outer side of the spoke is fixedly connected with a hub, the outer side of the hub is fitted with a tire, and the middle part of the outer side of the hub is fixedly installed with a support base. Through the setting of the support rod, the piston, and the limit block, if the tire is at low pressure or zero pressure, the inner side of the tire tread will squeeze the support rod during rotation, so that the block is separated from the second outer ring gear, and The limit block at the other end of the support rod will protrude from the through hole at the bottom of the installation cavity, so as to realize the second locking of the support rod and ensure that the support rod cannot move in the opposite direction. At this time, the support outer ring and cylindrical roller can be locked together. It rotates around the support base to reduce the friction between the support outer ring and the inner tread of the tire, thereby effectively alleviating the frictional heat generation of the rubber tread and avoiding high-temperature aging and irreparable wear of the rubber.