690results about "Driving belts" patented technology

The invention discloses a wear-resistant and high-temperature-resistant synchronous belt and a preparation method thereof. The wear-resistant and high-temperature-resistant synchronous belt comprises a synchronous belt framework and a synchronous belt rubber sheet, the synchronous belt rubber sheet is prepared from the following raw materials: a fluorosilicone thermoplastic polyurethane elastomer containing a benzene ring structure, an amino-containing hyperbranched liquid crystal polymer, methyl vinyl phenyl silicone rubber, epoxidized natural rubber, molybdenum sulfide nanosheets, reinforced fibers, bis (1-vinyl imidazole-2-) ketone, 2-acrylamido-2-methylpropanesulfonic acid, 4, 4 '-difluoro-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1 The high-temperature-resistant rubber is prepared from 2, 6-hydroxy-2-cyanobenzothiazole, bis (3-aminophenyl) 3, 5-bis (trifluoromethyl) phenylphosphine oxide, a catalyst, a coupling agent, a vulcanizing agent, an anti-aging agent, a scorch retarder and a lubricating agent. The synchronous belt is good in mechanical property, sufficient in high-temperature resistance and cold resistance, good in wear resistance and excellent in aging resistance and flame retardance.

A toothed power transmission belt with a smooth back side surface has a back jacket on the back side surface; wherein the back jacket comprises a closed-mesh, knit fabric tube. The fabric tube may be knitted on a circular weft knitting machine and may be heat set after knitting. The fabric tube may be treated with an epoxy, RFL or other treatment to provide for oil resistance, adhesion, frictional properties, etc.

Provided is a wrapped combined V-belt that can improve the adhesive strength between a wrapped V-belt portion and a tie band and can suppress peeling of an outer cover fabric at the boundary between the side surface of the wrapped V-belt portion and the tie band. [Solution] A wrapped joined V-belt 1 is manufactured, which includes a plurality of wrapped V-belt portions V whose belt main body portion is covered with an outer cover cloth 5, and a tie band T connecting the outer peripheral surfaces of the plurality of wrapped V-belt portions V, the outer peripheral surface of the wrapped V-belt portion V having a covered region 5a covered with the outer cover cloth 5 and an uncovered region 4a that is not covered, the covered region 5a being formed on at least one side of the outer peripheral surface, and the outer cover cloth 5 covering this covered region 5a also covering the side surface of the wrapped V-belt portion V.

The present invention pertains to a toothed belt provided with a back section in which a core wire extending in the circumferential direction of the belt is embedded, and two or more tooth sections formed on the inner circumferential surface of the back section at intervals in the circumferential direction of the belt, the toothed belt includes a back rubber layer formed on the outer circumferential side of the belt with respect to the core wire, and a first rubber layer and a second rubber layer formed on the inner circumferential side of the belt with respect to the core wire, the back portion includes the back rubber layer, the elastic modulus of the first rubber layer is greater than the elastic modulus of the second rubber layer, and the elastic modulus of the second rubber layer is greater than the elastic modulus of the first rubber layer. The first rubber layer is formed from a first cross-linked rubber composition containing a first rubber component and first short fibers, the ratio of the first short fibers being 5-60 parts by mass per 100 parts by mass of the first rubber component, and the first short fibers being oriented in the longitudinal direction of the belt along the outlines of the teeth. The core wire includes a high elastic modulus fiber, and the tooth portion includes the first rubber layer and the second rubber layer interposed between the first rubber layer and the core wire.

A power transmission belt having a conductive rubber mixture, which has a resistivity of less than 6.0 MΩ, wherein the conductive composition includes a base rubber, 25 to 250 phr of non-conductive carbon black as a filler and up to 5 phr of graphene as a conductive filler. The incorporation of a combination of a non-conductive carbon black filler and graphene into the rubber mixture allows for the replacement of conductive carbon black, which is conventionally used to procure conductive properties to rubber, but which has the disadvantage that it is comparatively expensive, especially in the quantities needed to confer conductive properties to the rubber mixture.

A shade structure is provided that includes a frame assembly, a retractable shade assembly, and a drive system. The frame assembly includes a plurality of upright poles and a plurality of beams coupled therewith. The retractable shade assembly is coupled with the plurality of beams. The retractable shade assembly includes a shade section assembly that has a plurality of elongate bars and a shade section extending therebetween. The elongate bars are spread apart from each other to spread the shade section in an extended shade configuration. The elongate bars are moved toward each other in a retracted configuration wherein the shade section looped vertically between adjacent elongate bars.54334023

A rubber composition having a nitrile and ethylene terpolymer, in particular a polymer blend of an acrylonitrile-butadiene copolymer (NBR) and an ethylene polymer. The composition has an NBR in an amount of from 30 to 50% by weight of the total composition. In some embodiments, the ethylene polymer is an EPDM rubber, an ethylene acrylic elastomer, or a chlorinated polyethylene. The composition may include an organic peroxide or other accelerator. The rubber composition can be used for synchronous belts having medium temperature to high temperature resistance, good fuel resistance, flexibility as low as-40 DEG C, and high structural integrity. In addition, the rubber composition allows the amount of a reinforcing material such as carbon black to be reduced.

A belt includes a laminate including a back surface layer disposed on a back surface side and a tension member layer including a tension member. The belt includes a sensor provided in the laminate and configured to detect a state of the belt, and a passive RFID also provided in the laminate, including an IC chip and an antenna, and configured to transmit state information on the belt detected by the sensor to an outside.

The present invention relates to a method of producing a cord for a power transmission belt, the method including: a first treatment step of treating an untreated yarn of a cord for a power transmission belt with a first treatment agent including a resin component (A) to obtain a first treated yarn; and a second treatment step of treating the first treated yarn with a second treatment agent including a condensate (B1) of resorcin and formaldehyde, an unmodified latex (B2), and an acid-modified diene-based polymer (B3) to obtain a second treated yarn.

The invention relates to a transmission belt (10) comprising a body provided with at least one elastomer-based tooth (B), said at least one tooth comprising: - an ethylene-propylene-diene monomer in a proportion of between 85 and 100 parts, per 100 parts of elastomer; - natural rubber in a proportion at most equal to 15 parts; - and regenerated carbon black in a proportion of between 20 and 70 parts.

A toothed belt includes an internal toothing and an external toothing; wherein tooth crests of the internal toothing comprise a rounded region and wherein tooth crests of the external toothing comprise a rounded region, wherein the tooth crests of the internal toothing are arranged radially opposite the tooth bases of the external toothing so that the toothed belt comprises an offset gap arrangement in which the teeth of the internal toothing and the external toothing are offset from each other, and wherein the toothed belt comprises a smooth central bearing region.

A conveyor belt, power transmission belt or machine tape (1) being open-ended with two ending edges (6, 7) and with a longitudinal length (L) in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) running in said longitudinal direction, and being spaced apart from each other by a transversal width (W); b) a first textile layer (2); c) a first coating layer (3); and optionally d) one more through holes (5) perforating the belt through its overall thickness (T), each of these through holes (5) being formed by a hole edge (5a); characterized in that i) the first textile layer (2) comprises fibres or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasound-cut or laser-cut and / or the optional hole edge(s) (5a) is(are) laser-cut. The belt or tape has melt-sealed edges, can be made endless by conventional end-joining and can be used in fluff-generating environments, such as a spindle tape.

The invention discloses a high-torque high-flexibility transmission belt which is composed of an outer rubber layer, a middle reinforcing layer and an inner rubber layer, the outer rubber layer comprises, by weight, 60-80 parts of nitrile rubber, 20-40 parts of polyurethane, 1-2 parts of an antioxidant and 5-15 parts of a reinforcing agent, and the reinforcing agent comprises sulfonated cellulose nanowhiskers, lignosulfonate and graphene oxide; the middle reinforcing layer comprises 50-80 parts of carbon fibers and 20-40 parts of aramid fibers; the inner rubber layer comprises 70-90 parts of natural rubber and 30-50 parts of butadiene rubber; the preparation method comprises the following steps: mixing components of the outer rubber layer to obtain outer rubber; mixing the components of the inner rubber layer to obtain inner rubber; the components of the middle reinforcing layer are woven into plain weave fabric; the plain weave fabric is pressed on the inner-layer rubber, the outer-layer rubber covers the plain weave fabric, a belt blank is obtained through hot pressing, the belt blank is cooled and shaped, and the transmission belt prepared from the components through the method has high torque and high flexibility.

A continuous loop reinforced food grade belt includes a plurality of extruded filaments comprising a meltable synthetic polymer, and at least one matrix material embedding the filaments. The matrix material includes a food grade polymer, and the matrix material and filaments form a length of belt having opposed first and second ends. The first and second ends are melted together to form a continuous loop belt with no filaments exposed to the belt environment.

The present invention pertains to a rubber composition for a transmission belt, the rubber composition comprising: a polymer component including an ethylene-α-olefin elastomer; carbon black; and clay. The Mooney viscosity of the ethylene-α-olefin elastomer at 125° C. is 25 ML(1+4)@125° C. or less, and the pH of the clay is 5.5 or higher. The total amount of the carbon black and the clay is 80-180 parts by mass per 100 parts by mass of the polymer component, and the mass ratio of the clay to the carbon black is clay / carbon black=0.2 / 1 to 1.2 / 1.

A gimbal device includes a lifting module, a horizontal rotating module, a rotating shaft, a pitch module, and a swing module, the lifting module includes a driving piece, a transmission worm, and a gear rack, the horizontal rotating module includes a driving piece, a first synchronous pulley, and a bearing assembly, the first synchronous pulley drives the bearing assembly to rotate, the rotating shaft is connected with the bearing assembly, the pitch module includes a driving piece, a first transmission gear, and a fixed gear, the third driving piece rotates around the fixed gear, the swing module includes a driving piece, a second transmission gear, a swing gear, and a swing housing, the swing housing rotates around the swing gear. The gimbal device is capable of performing four-axis motion, and modules of the gimbal device are disposed compactly, the four-axis motion is realized in a small space.

A variety of transmission mechanisms are provided that include split pulleys nested within each other in order to reduce the size of the transmissions, to provide infinitely variable transmission ratios that include forward and reverse ratios, or to provide some other benefits. These transmissions include "W"-shaped belts, having both contact surfaces that are directed outward from the belt and inward, toward a center-line of the belt, to contact the pulleys with respective different inward- and outward-directed contact surfaces. Accordingly, the surfaces at which the belt contacts the different pulleys may be substantially the same with respect to a hinge or other structure of the belt. This improvement may permit higher levels of power transmission, increased efficiency, and increased transmission lifetime. Additionally, variable-eccentricity variable transmissions are provided wherein the eccentricity of rotation of an inner, nested pulley varies with changes in the transmission ratio of the transmission.

Synchronous transmission belt (100) comprising a body (102) with an elastomer base including a dorsal portion (104), a ventral portion (106) and a set of traction cables (110) between the dorsal portion (104) and the ventral portion (106), the ventral portion having a plurality of transverse teeth (112, 112'), each transverse tooth (112, 112') having in cross-section a first profile (116) with two inclined flanks (117), connected by at least one rounded portion, each transverse tooth having a tooth height H1, and a plurality of longitudinal teeth (114, 114'), each longitudinal tooth extending between two transverse teeth substantially perpendicular to said transverse teeth and having in cross-section a second profile (118) with two inclined flanks (119), connected by at least one rounded portion, each longitudinal tooth having a non-zero tooth height H2 that is less than or equal to the tooth height H1. Figure for the abbreviation: Figure 1

The present invention relates to a toothed belt including: a back portion; a tension member embedded in the back portion in a belt longitudinal direction and including a twisted cord including a steel fiber; a plurality of belt teeth formed on an inner peripheral side of the back portion along the belt longitudinal direction; and a cover layer provided between the tension member and a belt tooth bottom formed between the belt teeth, in which the cover layer has a thickness in a range of 0.2 mm to 1.0 mm, and the back portion, the belt teeth, and the cover layer are integrally formed of a thermoplastic elastomer.

The invention relates to a steering gear for a steering system of a motor vehicle, comprising a housing and a steering rod arranged at least partially in an interior of the housing, which is mounted via a conversion gear and can be connected to a tie rod at each axial end section; a drive unit comprising an electric machine and the conversion gear coupled to the electric machine via a toothed belt (10), wherein the toothed belt (10) has at least one marking (12), wherein the at least one marking (12) is formed from at least one metal fiber, and wherein the steering gear further comprises a sensor (14) for detecting the marking (12).

The invention relates to an endless belt (10) with at least two cover plates (11) made of thermoplastic elastomer and at least one fabric tensile carrier (12) arranged between the two cover plates (11), the fabric tensile carrier comprising one or more polyolefin yarns, wherein the endless belt (10) has at least two longitudinal ends (13) which are connected to each other at a connection point (14) by a permanent (non-removable) connection such as an overlap or hook connection (15) and / or by at least one mechanical (removable) connecting device (16) at the longitudinal ends (13) such as a hook or screw connection, wherein the connection point (14) comprises at least one hot melt adhesive material based on thermoplastic elastomer and / or one-component adhesive material based on polyurethane, which reinforces the non-removable connection (15) of the two longitudinal ends (13) and / or additionally bonds the mechanical connecting device (16) to the longitudinal ends (13) in a material-bonded manner.

The utility model belongs to the technical field of window cleaning machines, and particularly relates to a wheel skin and a window cleaning robot. Comprising an inner belt and an outer belt which is connected with the inner belt and arranged on the outer side of the inner belt in a surrounding mode, and the outer belt comprises at least two contact faces which are opposite to the inner belt and have different friction coefficients. According to the wheel skin and the window cleaning robot, two or more contact surfaces with different friction coefficients are integrated on the surface, making contact with the glass surface, of the outer wheel skin, the window cleaning robot can walk on the smooth glass surface more smoothly due to the small friction coefficient, and the good anti-skid effect is achieved due to the high friction coefficient; the window cleaning machine can keep good adhesive force and stability on the dry, wet or oil stain glass surface, so that slipping is effectively avoided, and it is ensured that the window cleaning machine can conduct cleaning operation smoothly.

A toothed power transmission belt suitable for use in contact with oil, having an elastomeric belt body, a helical wound tensile member embedded therein, and teeth on a pulley-contact surface with a jacket covering the teeth, wherein the jacket is a woven fabric with a smooth, continuous, outer rubber layer formed from a nitrile-containing elastomer compounded with at least one coagent, an RFS adhesion promoter, and with no fluoropolymer, and the fabric has para-aramid fibers in the weft, meta-aramid fibers in the warp, and no nylon fibers.

A hybrid cable having a core and a belting; the core is made of carbon fiber yarns or carbon fiber strands or bundles of yarns; and the wrapping tape is made of a plurality of metal wires wrapped around the core in a spiral shape, and the plurality of metal wires are laid side by side without crossing each other. The fibers, yarns, or cores may be sized with a polymer, finished with a binder, or binder. The wire may be steel and may have a coating such as a brass or zinc plating, or a polymer coating or finish. The hybrid cable may be used to reinforce a composite article such as a tape, track or hose.

An article such as a power transmission belt includes an elastomeric body and at least one reinforcement cord disposed in the elastomeric body. At least part of the elastomeric body is formed from a rubber compound including styrene butadiene rubber (SBR) sustainable polymer. The rubber compound may include additional sustainable materials, such as one or more of additional sustainable rubber, sustainable fiber, sustainable carbon black, sustainable plasticizers, or the like. The rubber compound may have an overall sustainable content of 50% or greater, or even greater than 65%, such as up to about 95% or more total sustainable content for the rubber compound. The article may include further sustainable material, such as sustainable fabrics and / or sustainable reinforcement cords. The overall article may have a total sustainable content of 50% or greater, or up to about 95% or more total sustainable content for the article.

To provide a power transmission mechanism and a power transmission system by a belt capable of flexibly coping with a change of a route for transmitting power, reducing a bending radius, and reducing a production cost.SOLUTION: The guide part 11 is slender, curved or bendable, and has a guide hole 11a continuously extending from one end to the other end. The moving part 12 has a slender and flexible belt 22 inserted into the guide hole 11a, and is arranged so as to be slidingly movable to the guide part 11 on the inside of the guide hole 11a in the extending direction of the guide part 11 even when the guide part 11 is curved or bent.SELECTED DRAWING: Figure 1

Provided is a conveyor belt capable of reducing the possibility of breakage of a motor and / or a pulley in a conveying facility, without curing even in a low-temperature environment. A conveyor belt 1 is constituted by stacking a thermoplastic resin layer 11 having a durometer hardness A85 or less as specified in JIS K7311 at -30°C, and a canvas layer 12 obtained by impregnating a woven fabric 120 with polyester resin. The conveyor belt 1 can maintain flexibility even in a low-temperature environment, does not cure, and can reduce the possibility of breakage of a motor and / or a pulley in a conveying facility.

A conveyor, power transmission or machine belt (1) which is open ended and has two end edges (6, 7) and a longitudinal length L in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) each extending in the longitudinal direction and separated from each other by a transverse width (W); b) a first fabric layer (2); c) a first coating layer (3); and optionally d) one or more through holes (5) through the overall thickness (T) of the belt, each of the through holes (5) being formed by a hole edge (5a), characterized in that i) the first fabric layer (2) comprises fibers or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or a thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasonic or laser cuts and / or the optional hole edges (5a) are laser cuts. The belt or band has melt sealed edges, can be made into a loop by conventional end joining, and can be used in environments where lint is produced, such as a spool belt.

The utility model relates to an industrial belt with an invisible joint, which belongs to the technical field of industrial belt processing and comprises a belt body, a connecting block is fixed on the right side of the belt body on the left side, a joining block is fixed on the right side of the connecting block, and the right side of the joining block is fixed with the belt body on the right side. And a rotating rod penetrating into the connecting block is rotationally connected to the left side of the connecting block, a limiting block is fixed to the left side of the rotating rod, pushing blocks are fixed to the front side and the rear side of the limiting block correspondingly, and a stabilizing assembly is arranged in the connecting block. According to the industrial belt with the hidden connector, after a rotating rod rotationally connected with a connecting block is inserted into a connecting block, a limiting block can be staggered from a limiting hole by pushing the limiting block, the limiting block is parallel to the connecting block, and therefore goods can be conveyed more stably; and the limiting block pushes the stabilizing assembly to clamp the rotating rod, so that the fixing stability can be effectively improved.