619results about "Bearing components" patented technology

A hybrid lubricating module includes a housing and an assembly which consists of at least two elements and has an axial hole run through by a shaft. At least one of the elements has one set of multiple notches on one end surface communicating with the axle hole. The housing has a through axial cavity to encase the assembly. The outer wall surface of the assembly and the inner wall surface of the housing are assembled to each other to form at least one storage chamber to store lubricating media. The multiple notches on at least one adjacent element form at least one set of fine flow passages communicating with the axial hole and the storage chamber.

The positional relationship between the supply port for supplying lubricant to a bearing containing a nearly cylindrical rotating member and the discharge port for discharging lubricant, as well as the rotational motion of the bearing, are considered to suppress lubrication failure on the sliding surface of the rotating member. [Solution] The rotating mechanism 1 includes a bearing 10 which comprises a substantially cylindrical rotating member 11 consisting of a first bottom surface 111 and a second bottom surface 112 that slide against the inner ring 12, and a side surface 113 that is continuous therewith and rolls on the surface 121 of the inner ring 12 and the surface 131 of the outer ring 13; a supply port 14 for supplying lubricant located near the first bottom surface 111 which is further from the axis of the bearing 10 than the second bottom surface 112; and a discharge port 17 for discharging lubricant located near the second bottom surface 112 of the rotating member 11.

In the bearing device, a rolling bearing is attached to a housing portion of the housing. The rolling bearing of the bearing device includes an inner ring fixed to an outer peripheral surface of a shaft which is a rotation shaft, an outer ring fixed to the housing, a rolling element rolling between the inner ring and the outer ring, and a cage for holding a space between the rolling elements. In the bearing device, a discharge port for discharging the lubricating oil is provided in the housing portion. The bearing device discharges the lubricating oil from the discharge port to the center side of the inner ring rather than the outer periphery of the inner ring of the rolling bearing.

A method includes mounting an assembled wheel hub assembly on a spindle, spraying a zinc flake coating material onto first surfaces of the assembly while rotating the wheel hub assembly, the spraying occurring while shielding second surfaces of the wheel hub assembly with a shield on the spindle and shielding third surfaces of the wheel hub assembly using a shielding tape. After creating the layer of zinc flake coating material on the first surfaces, heating the layer of zinc flake coating material using at least one infrared (IR) lamp to cure the layer of zinc flake coating material, the heating occurring while rotating the wheel hub assembly.

A liquefied gas seal system 10 seals a liquefied gas chamber 7 around a shaft 4 that passes from the inside of the liquefied gas chamber 7 to the outside and that rotates. The liquefied gas seal system 10 comprises: a first labyrinth 11 that communicates with the inside of the liquefied gas chamber 7; a second labyrinth 13 that communicates with the liquefied gas chamber 7 via the first labyrinth 11; and a liquefied gas heating region 12 that is positioned between the first labyrinth 11 and the second labyrinth 13. The second labyrinth 13 is preferably positioned above the heating region 12 in the vertical direction.

In a traditional bearing cap, the temperature of the oil-wetted surface that defines the oil sump may experience high temperatures, which can result in oil degradation, oil varnish, and coking. Accordingly, a bearing cap (300) is disclosed that reduces the temperatures experienced by the oil-wetted surface (420). In particular, the bearing cap (300) may comprise one or more air insulation cavities (430), between the surface (410) that is exposed to heated air and the oil-wetted surface (420) that defines the oil sump (425), to provide a thermal barrier between the two surfaces.

The invention relates to a system (1) for the oil-air lubrication of rolling bearings (8, 9, 10, 11), comprising: a lubrication unit (2) having a unit controller (3), a data interface (4), a storage tank (5) for lubricant and lubrication ports (6); lubricant lines (7) which extend from the lubrication ports (6) to the rolling bearings (8, 9, 10, 11); a memory unit (20, 21) in which lubrication parameter data for at least one of the rolling bearings (8, 9, 10, 11) are stored; and a data connection (22) for transmitting the lubrication parameter data to the data interface (4) of the lubrication unit (2). The unit controller (3) is designed to lubricate the rolling bearings (8, 9, 10, 11) on the basis of the lubrication parameter data.

A rotary shaft fluid supply device is disclosed. According to one embodiment of the present invention, the rotary shaft fluid supply device comprises: a hollow outer housing which rotates; an inner housing accommodated in the outer housing; a hollow rotary shaft accommodated in the inner housing and fixed to the outer housing to rotate together with the outer housing; a fluid supply port housing accommodating one end of the rotary shaft and having the rotary shaft rotating therein; a first sealing unit sealing the space between the inner housing and the rotary shaft; and a second sealing unit sealing the space between the fluid supply port housing and the rotary shaft, wherein a fluid supplied from the fluid supply port housing is supplied into a fluid supply path inside the rotating hollow shaft.

A cage is for a bearing including an inner body having an inner raceway surface, an outer body disposed about the inner body so as to define an annular space, the outer body having an outer raceway surface, and a plurality of rolling elements disposed within the annular space and rollable simultaneously upon the inner raceway surface and the outer raceway surface. The cage includes an annular body disposeable within the annular space between the inner body and the outer body, having a centerline and including a plurality of pockets spaced circumferentially about the centerline. Each pocket is defined by a separate radial surface and is configured to retain a separate one of the plurality of rolling elements. At least one radial hole intersects the radial surface of one of the plurality of pockets and provides a storage space for lubricant.

The invention relates to a honing device (1) for processing tapered rollers (2), comprising two honing rolls (3, 4), which are in parallel with one another and are provided for the placement of tapered rollers (2), and a honing stone (10), which engages between the honing rolls (3, 4) and is provided for processing the tapered rollers (2). The honing rolls (3, 4) have threaded profiles (5, 6) which are designed for conveying the tapered rollers (2) and are formed such that the centre axes of the tapered rollers (2) conveyed in the feed direction (VR), i.e. in parallel with the longitudinal direction of the honing rolls (3, 4), lie in a common plane which is parallel to the axes of rotation of the two honing rolls (3, 4) and, in the course of conveying in the feed direction (VR), undergo a pivoting movement within the common plane. The common plane is arranged in parallel with a reference plane in which the axes of rotation of the two honing rolls (3, 4) lie.

The application discloses an anti-deformation crown-shaped cage of a super-speed motor bearing and a manufacturing method, and belongs to the technical field of motor bearings. The anti-deformation crown-shaped cage of the super-speed motor bearing is printed by a functionally graded material, the functionally graded material comprises hard-phase material and soft-phase material, the hard-phase material is glass fiber, and the soft-phase material is nylon 66; the equivalent elastic modulus of the functionally graded material continuously and gradually changes along the axial direction from the bottom of the pocket hole to the end of the locking claw, so that the elastic modulus of the bottom area of the pocket hole is higher than that of the end area of the locking claw, and the ovalization deformation of the pocket hole and the centrifugal deformation of the locking claw are cooperatively inhibited; the functionally graded material is introduced to actively reconstruct the stiffness field of the crown-shaped cage; the toughness phase is constructed in the locking claw area to absorb collision energy, the reinforced phase is formed in the pocket hole area to weaken stress concentration, and the stiffness gradient is established at the connecting position to inhibit the umbrella effect; and the application provides the crown-shaped cage with the characteristics of high toughness, gradient and high strength and a design method thereof.

The utility model relates to a kind of light and thin cross roller bearings, including inner ring, outer ring that rotates on the inner ring, ball that is set between the outer ring and the inner ring, sealing sealing ring of sealing;The inner side wall of the outer ring is equipped with gear ring;The gear ring is connected with output end;The ball is rotated between the inner ring and the outer ring;The sealing ring is set between the inner ring and the outer ring.Solve the bearing function relatively single, lack integrated design, cannot simultaneously realize motion support, force transmission, sensing monitoring etc. in compact space, so that joint internal structure is complex, wiring is tedious, further exacerbate the problem of space shortage.

The invention relates to a propeller blade for an aircraft propeller, comprising a wing section (10) and a propeller blade root (20) connected thereto, as well as a method for repairing such a propeller blade. The wing section (10) can have a foam and / or honeycomb core (11, 12, 13) with a sheath (14) made of a fiber-reinforced polymer material. The propeller blade root (20) can be made of a metallic material and comprise a shaft (21) extending into and connected to the wing section (10), at least one outer bearing ring (23), and an adjustment pin (22). It is preferred that the bearing ring (23) has a running surface consisting of a layer (26) of a steel material welded or remelted onto the bearing ring (23), which has a yield strength Rp0.2 of over 750 N / mm² and a tensile strength Rm of over 1,000 N / mm².The bearing ring (23) with the running surface can have a core Vickers hardness HV10 of over 430.

An apparatus comprising: a flywheel; a shaft; a bearing arrangement for supporting the shaft; a sealing arrangement; and a housing for housing the flywheel, the shaft, the bearing arrangement and the sealing arrangement, wherein the flywheel is mounted on the shaft, the sealing arrangement is mounted between the shaft and the housing, and the bearing arrangement is mounted both to the shaft, between the flywheel and the sealing arrangement, and to the housing; and wherein the sealing arrangement comprises a pair of seals that are configured to extend circumferentially around the shaft, the seals being arranged to form a hermetic seal against the shaft to hermetically seal the housing.

The present application relates to the field of high-end bearing precision manufacturing, in particular to a spherical needle bearing based on eddy current dynamics regulation and a method for reconstructing the inner spherical surface micro morphology thereof, and its technical scheme is: the workpiece and the abrasive are loaded into a centrifugal liquid polishing device according to a preset volume ratio, and a working liquid is injected into the inner cavity of the centrifugal liquid polishing device, then a quantitative water-based grinding agent and a surface modification brightener are added in sequence; the centrifugal liquid polishing device is started and driven to rotate in an optimized speed range, so as to excite a three-dimensional spiral vortex field in the cavity, and the workpiece and the abrasive are subjected to random and low-stress micro-interaction in the field for a duration of T, the present application has the beneficial effects that the active and deep regulation of roughness skewness (Rsk) is realized, the excellent surface functional characteristics are obtained, and the perfect preservation of ultra-high geometric precision is realized, and compared with the traditional ultra-precision process, the processing efficiency is improved by more than 300%.

The application belongs to the technical field of bearing lubrication, and discloses a bearing static lubrication structure, which comprises a bearing, a protective cover and a grease scraping plate, the bearing comprises a bearing inner ring, a bearing outer ring rotating relative to the bearing inner ring and a rolling body arranged between the bearing inner ring and the bearing outer ring, the protective cover is arranged on the bearing inner ring, the grease scraping plate comprises a scraping surface plate, the scraping surface plate is arranged to be inclined to the movement direction of the bearing outer ring, one side of the scraping surface plate is fixedly connected with the protective cover, and the other side of the scraping surface plate is movably connected with the bearing outer ring, the bearing outer ring rotates, and the lubricating grease flows to the rolling body through the scraping of the scraping surface plate.

Axial end portions (16) in the column portions (14) of the cage (12) are arranged on the outer diameter side, axial central portions (17) in the column portions (14) are arranged on the inner diameter side, the axial end portions (16) and the axial central portions (17) have pocket wall surfaces (18) facing the pockets (15), an inner diameter side region in the pocket wall surface (18) provided in the axial end portion (16) and an outer diameter side region in the pocket wall surface (18) provided in the axial central portion (17) constitute a repeating region (Rb) which repeats in the radial position, the repeating region (Rb) includes a roller guide surface which guides the needle-shaped roller (11), and intersects with a pitch circle (PCD) of the needle-shaped roller (11).

The utility model provides a copper bush structure for moving die oil cylinder relates to moving die oil cylinder technical field, including copper bush main part, the front end and rear end of copper bush main part outer wall all are established annular oil storage groove, the intermediate region of copper bush main part outer wall evenly distributed has a plurality of radial auxiliary oil hole, the front end rear end of copper bush main body all is installed with sealing ring, the tiny concave point of copper bush inner wall is densely distributed in " honeycomb shape " and gradually sparse to another end, the taper flared micro -hole communication hole of combination oil storage groove, realize lubricating oil massage friction heat self -adaptation release, avoid local dry friction, in addition, the spiral groove in the inner wall is contrary to the piston movement direction, forms the pump suction effect, promotes the oil circulation, the supplementary oil hole directly supplements lubricating oil to the high pressure area, ensures the uniform distribution of oil film, reduces the wear and tear of copper bush and piston rod, prolongs the service life more than 50%.

The application relates to a needle roller bearing assembling device, and relates to the technical field of needle roller bearings. The assembling device comprises a machine body, an oiling mechanism, a needle placing mechanism, a needle pressing mechanism, a pressing mechanism and a pushing mechanism. The needle placing mechanism comprises a needle placing table provided with a needle placing hole, a needle placing disc rotatably arranged on the machine body and provided with a needle placing groove, a driving assembly for driving the needle placing disc to rotate, a moving table slidably arranged on the machine body, a needle placing pipe connected with a vibrating feeder and used for vertically stacking the needle rollers in the needle placing pipe, and a needle placing assembly used for placing the needle rollers in the inner side of the outer ring. The oiling mechanism is used for applying lubricating grease, the needle placing mechanism is used for extending the needle rollers to the inner side of the outer ring, the needle pressing mechanism is used for pushing the needle rollers to be clamped and installed on the outer groove bodies, and the pressing mechanism is used for pressing the inner ring into the inner side of the outer ring to realize assembling. Therefore, the efficiency and quality of the assembling can be greatly improved.

Injection mold (1) for overmolding an outer circumferential surface of an outer ring (3) of a rolling bearing (2) with a plastic layer, wherein the rolling bearing (2) has an inner ring (4), the outer ring (3) and a plurality of rolling elements (5) arranged between the inner ring (4) and the outer ring (3), comprising a pre-centering device and a fine centering device, wherein the pre-centering device is formed via a central mandrel (6) of a main mold body (7) on which the inner ring (4) of the rolling bearing (2) can be axially guided, and wherein the fine centering device is formed via at least three radial centering projections (8) of a mold insert (9) distributed circumferentially with respect to an outer diameter of the outer ring (3), and a method for overmolding an outer circumferential surface of an outer ring (3) of a rolling bearing (2) using such an injection mold (1).

The present invention provides a sliding bearing with excellent non-sintering properties. The sliding bearing of the present invention comprises a base layer and a coating layer. The coating layer is composed of at least two covering layers and at least one intermetallic compound-containing layer between the adjacent covering layers, the intermetallic compound-containing layer comprising a layered metal portion in an intermetallic compound matrix. The area of the layered metal portion is 60% to 95% of the area of the intermetallic compound-containing layer. The present invention also relates to a method for manufacturing the sliding bearing.

A linear motion guide device according to the present invention comprises a case that is attached to an axial end of a slider, accommodates a U-shaped lubricant supply member that is impregnated with a lubricant, and presses the lubricant supply member such that the lubricant supply member contacts a pair of rail-side track surfaces. A wing part of the lubricant supply member has a notch that extends in the direction away from a guide rail from a side surface that is near a side surface of the guide rail, and the case has an upper contact part and a lower contact part that are inside the notch and contact an upper end inside surface of the notch and a lower end inside surface of the notch, respectively. As a result, contact between the lubricant supply member and the rail-side track surfaces is maintained such that lubricant can be stably supplied to the rail-side track surfaces, even when the lubricant supply member has discharged oil and contracted.

The utility model discloses a cylindrical roller bearing for planetary wheel of wind power speed increasing box, including outer ring, inner race and the rolling body of activity setting between outer ring and inner race, the outer circumferential wall of inner race is provided with two raceways for the rolling body rolling and is opened in ring, two the raceway is symmetric distribution and is divided into axial inside raceway and axial outside raceway, the radial play value of axial inside raceway is less than the radial play value setting of axial outside raceway. The utility model solves the problem of uneven stress of inner and outer raceways of the cylindrical roller bearing for planetary wheel of the existing wind power speed increasing box, easy eccentric load wear and tear and inside raceway premature failure when working.

The utility model provides a kind of modular structure for steel ball trajectory guide, it is related to steel ball guiding mechanism technical field, specifically including first guide rail and second guide rail, the corresponding two sides of first guide rail and second guide rail are fixedly installed with plug-in block and connecting block, plug-in block is inserted into the inside of connecting block and is slidably connected with it, the side of several connecting blocks away from first guide rail and second guide rail is provided with fixed bolt.The first guide rail of the application and the second guide rail are nested and slidably matched by "plug-in block-connecting block" to realize preliminary positioning, and then fixed by the double thread locking of fixed bolt, the structure can be flexibly combined according to the steel ball trajectory requirement Linear track, curved track or multi-section same type track, further, the fine control of track height can be realized by the thread transmission adjustment mode of threaded rod, to meet the trajectory guide requirement of different height.

A belt retainer roller has a plurality of rollers and a retainer (2) that retains the rollers. The retainer (2) includes a pair of annular members (4) facing both axial ends of each roller, and a plurality of column portions (5) that are disposed at equal intervals in the circumferential direction across the outer diameter portions of the pair of annular members (4) for the rollers to be fitted into. An inner diameter portion of each annular member (4) is provided with a roller retaining claw (6) for preventing the rollers from falling toward the inner diameter side of the retainer. A retainer radial chamfer length (B) and a retainer wall thickness (A) satisfy the following relationship: 0 < B / A ≤ 1.6.

A harmonic speed reducer (1000) and an industrial robot. The harmonic speed reducer (1000) comprises a circular spline (100), a flexspline (200), a wave generator (300), and a support bearing (400); the wave generator (300) is arranged in the flexspline (200), and an outer tooth part (210) of the flexspline (200) is partially meshed with an inner tooth part (110) of the circular spline (100); a first slot body (430) and a second slot body (440) are arranged between an inner bearing ring (410) and an outer bearing ring (420) of the support bearing (400); the first slot body (430) is used for mounting a first rolling body (431); and the second slot body (440) is used for mounting a second rolling body (441).

A grease composition for a bearing for wheels of an automobile, comprising (a) a base oil, (b) a thickener, and (c) additives, wherein (a) the base oil has a kinematic viscosity at 100°C of 3 to 9 mm2 / s, and (c) the additives comprise (cl) a metal salt of dialkyldithiophosphoric acid, (c2) a metal salt of an organic sulfonic acid, and (c3) a nitrogen- and sulfur-containing heterocyclic compound, and wherein (c3) the nitrogen- and sulfur-containing heterocyclic compound comprises at least one member selected from the group consisting of 2(3H)-benzothiazolethione and 2,5-bis(alkyldithio)-1,3,4-thiadiazole.