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 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 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 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 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 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 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 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 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.