6773results about "Bearing unit rigid support" patented technology

A method of positioning a grain bin unload conveyor auger within a grain bin unload conveyor trough includes positioning an auger hanger on a pair of hanger support shelves at an open exterior end of the grain bin unload conveyor trough to support the grain bin unload conveyor auger away from adjacent interior surfaces of the grain bin unload conveyor trough, and pushing the grain bin unload conveyor auger through the open exterior end of the grain bin unload conveyor trough to cause the auger hanger to continuously support the grain bin unload conveyor auger away from the interior surfaces of the grain bin unload conveyor trough as the auger hanger moves longitudinally along the pair of hanger support shelves from the open exterior end to a final operational position of the auger hanger between the open exterior end and an interior end of the grain bin unload conveyor trough.

To provide an electric corrosion preventing electric conductive cover and a rolling bearing which can prevent electric corrosion to lengthen a service life thereof.SOLUTION: An electric corrosion preventing electric conductive cover 1 has: a bearing fitting part 9 having a cylindrical part fitted in a first bearing ring 3 of a rolling bearing 2 and having electric conductivity; and an electric conductive part 10 radially extending from the bearing fitting part 9 to come into contact with a second bearing ring 4 of the rolling bearing 2 and having electric conductivity. A rolling bearing 2 includes the electric corrosion preventing electric conductive cover 1.SELECTED DRAWING: Figure 2

The invention relates to the technical field of metal sliding bearings, and provides a liquid metal sliding bearing with high sealing performance, which comprises a mandrel, a graphite sealing assembly, a flange and a shaft sleeve, and further comprises a ternary gallium-based liquid metal and a silicon carbide ceramic coating, wave-shaped check rings are arranged among the multiple graphite rings at intervals, initial contact loads are provided through the wave-shaped check rings, the graphite rings and the flange are tightly attached, static sealing with excellent performance is formed in the static state, and the fit clearance between the mandrel and the shaft sleeve is filled with ternary gallium-based liquid metal. A silicon carbide ceramic coating is plated at the matching position of the mandrel and the flange, and a silicon carbide ceramic coating is also plated at the matching position of the mandrel and the shaft sleeve. By using the graphite ring, the ternary gallium-based liquid metal and the silicon carbide ceramic coating, the liquid metal has good fluidity, so that the interface can be fully filled, the liquid metal is not easy to volatilize, the lubricating effect is better, the friction factor is low, and the wear resistance is better.

A bearing device includes first and second rings each having end faces and being configured to rotate relative to one another, and the second ring has an annular groove. A socket having an electrically insulating sleeve is mounted on the second ring with the insulating lining radially interposed between the second ring and the socket. End faces of the electrically insulating lining each have an annular groove with a bottom that is offset axially inward relative to the respective first and second end faces of the second ring and to the respective first and second end faces of the socket. A method includes grinding end faces of the socket and / or second ring to reduce an axial depth of the grooves in the insulating layer.

The invention discloses a saw chain guide plate lubricating system which comprises an integrally-formed guide plate body and is characterized in that a driven supporting structure is arranged at one end of the guide plate body, a rotating structure is installed on the driven supporting structure, and a transmission wheel is installed on the rotating structure; a saw chain guide groove is formed in the side face of the guide plate body. The guide plate body and the driven supporting structure are provided with an oil conveying channel, one end of the oil conveying channel is connected with an oil supply unit of the lumbering equipment, and the other end of the oil conveying channel makes contact with the rotating structure. Through the arrangement of the oil conveying channel, the service life of the driven end rotating structure is prolonged, the part, making contact with a tree, of the saw chain can be lubricated, and meanwhile the utilization rate of lubricating oil can be increased.

The invention provides an axially parallel split permanent magnet-water lubricated composite bearing, which belongs to the technical field of bearing design, is applied to a ship propulsion shafting, and comprises a magnetic force bearing module, a magnetic shaft sleeve, a magnet mounting base and a water lubricated bearing. The magnetic force bearing module and the water lubricated bearing are arranged in parallel in the axial direction of the stern shaft. The water-lubricated bearing is arranged on one side close to the propeller and is wholly soaked in a working medium; the magnetic shaft sleeve of a cylindrical structure is installed on a stern shaft, and a stern bearing is attracted under the action of a permanent magnet array in the magnetic force bearing module. And the magnet mounting base is used for supporting the magnetic force bearing module and regulating and controlling the magnetic force. According to the integral permanent magnet-water lubricated composite bearing, the permanent magnets and the water lubricated bearing in the integral permanent magnet-water lubricated composite bearing are structurally split, the mutual restriction of a magnetic force bearing module and a water lubricated bearing module in the aspects of space, size and performance can be effectively eliminated, and the use flexibility is enhanced; the bearing distribution of the shaft system can be optimized, and it is ensured that the tail shaft system has good dynamic stability.

A hybrid airfoil bearing for a shaft is provided and includes airfoil bearing components and passive magnetic bearing components. The airfoil bearing components include a top foil immediately surrounding the shaft and additional components. The passive magnetic bearing components are integrated into the shaft and the additional components of the airfoil bearing components to remove a static load of the shaft on the top foil.

The invention relates to the field of transmission shafts, in particular to a transmission shaft support assembly, a transmission shaft assembly and a vehicle. The transmission shaft support assembly comprises a supporting unit and a cushioning unit. The supporting unit comprises a supporting base, a blocking plate and a reinforcing drainage plate. The supporting seat is arc-shaped, and the inner circumferential surface of the supporting seat is an arc-shaped avoiding surface. The blocking plate protrudes out of the arc-shaped receding face. The reinforcing drainage plate is in a concave shape relative to the arc-shaped receding face. And a plurality of through holes are formed in the arc-shaped avoiding surface. The cushioning unit comprises an elastic bushing and a rigid hoop. The rigid hoop is arranged on the outer side of the elastic lining in a sleeving mode. And the rigid hoop is detachably connected with the supporting seat. And a buffer space is formed between the rigid hoop and the arc-shaped avoiding surface. The transmission shaft assembly comprises a transmission shaft support assembly. A vehicle includes a driveshaft assembly. The problem that too much silt is accumulated on the transmission shaft support assembly can be solved.

A power tool is provided including a housing having a grip portion with a grip circumference of smaller than or equal to approximately 120 mm; and a brushless direct-current (BLDC) motor at least partially disposed within the grip portion of the housing and configured to output a maximum power output of at least 450 watts. The motor includes a stator including a stator core and stator windings; and a rotor rotatably received within the stator and including a rotor shaft extending along a longitudinal axis and a series of permanent magnet rings mounted sequentially along the longitudinal axis and surrounding the rotor shaft, each permanent magnet including a plurality of magnetic poles.

The invention relates to the technical field of bearing seats, and discloses a self-lubricating dustproof bearing seat which comprises an upper end cover, a lower end cover hinged to the lower portion of the upper end cover, a self-lubricating mechanism and a dustproof sealing ring which are arranged in the upper end cover and the lower end cover, a shaft sleeve arranged in the self-lubricating mechanism, and a shaft core movably installed in the shaft sleeve and the dustproof sealing ring. The self-lubricating mechanism comprises an external backflow assembly rotationally connected to the inner wall of the upper end cover and the inner wall of the lower end cover and an internal backflow assembly rotationally connected to the outer wall of the shaft sleeve, a reasonable lubricating channel path is obtained through the arranged oil storage assembly, the movable assembly and the rolling assembly, it is ensured that a lubricating agent can evenly and smoothly reach all lubricating points, and the lubricating efficiency is improved. Lubricating oil in the oil storage cavity flows into the oil outlet pipe through the oil outlet groove and then flows into the oil guide groove, so that the contact faces of the rolling wheel and the bearing outer ring and the bearing inner ring are lubricated, and the effect of improving the overall operation quality and reliability of equipment is achieved.

A bearing pedestal for a bearing high-temperature environment simulation test, which belongs to the technical field of bearing tests. The bearing pedestal comprises a mounting portion for mounting an outer ring of a test bearing (9), wherein the bearing pedestal is provided with a flow channel therein allowing a high-temperature medium to pass through to heat the mounting portion; and a medium inlet (1) and a medium outlet (6) both in communication with the flow channel are provided in the bearing pedestal. The medium inlet (1) allows inflow of the high-temperature medium, and the medium outlet (6) allows discharge of the high-temperature medium, such that the high-temperature medium flows through the flow channel in the bearing pedestal to heat the mounting portion of the bearing pedestal, and then heat is transferred to the outer ring of the test bearing (9) to heat the outer ring of the test bearing (9), so as to simulate the high-temperature environment during operation of the outer ring of the bearing. Since the flow channel is only provided in the bearing pedestal, other irrelevant components are not heated, which does not belong to an assessment method in a physical main unit, such that the bearing pedestal has low power consumption, is energy-saving, and is cost-effective. Further provided is a device for a bearing high-temperature environment simulation test.

The present invention relates to a bearing house comprising a bearing house body for holding a bearing; a shield forming a shaft insertion for inserting a shaft into the bearing house, and at least one conducting element providing an electrical connection between the inside of the bearing house body to an outside material.

The invention discloses an elastic support integrated bearing and squeeze film damper integrated structure with outer ring radial holes. The elastic support integrated bearing and squeeze film damper integrated structure comprises an elastic support integrated outer ring, a bearing inner ring, a retainer, a rolling body, a squeeze film damper, a bearing seat and the like. The elastic support integrated outer ring adopts the integrated design of a squirrel-cage type elastic support and the bearing outer ring, the radial size is reduced, the centering precision is improved, and an oil storage groove and a radial oil hole are formed in the outer side wall of the bearing outer ring of the integrated structure; the extrusion oil film damper is located on the outer side of the elastic support integrated bearing, and an oil film is communicated with a radial oil hole in the bearing outer ring, so that bearing lubrication and the extrusion oil film damper share a lubricating oil path; radial lubricating oil lubrication of the bearing is achieved through the arrangement of the radial oil holes, and the situation that the bearing is damaged due to lack of oil lubrication under the extreme working condition is avoided; meanwhile, the oil storage grooves and the radial oil holes can effectively promote flowing of lubricating oil in an oil film, formation of a dead cavity of the squeeze oil film damper is avoided, and the vibration reduction effect of the squeeze oil film damper is enhanced.

An adjustment system comprising: a pivot nut comprising a pivot nut aperture feature configured to accept the lower portion of a pivot bolt; a floor mount having a slot in which the pivot nut is slidingly engaged so as to have a movement including forward-backward, side-to-side and rotational, the floor mount having a floor mount aperture that aligns with the pivot nut aperture; and a cover configured to mount over the floor mount and engage with the pivot nut so as to move with the pivot nut.

A solar tracker bearing apparatus mountable to an upright support post for rotatably supporting a torque tube beam of a solar tracker assembly and including: a rotatable bearing assembly supported for rotation about an axis of rotation by a stationary saddle assembly. The rotatable bearing assembly includes a central portion and first and second spaced apart arcuate peripheral portions, the central portion defining a beam slot, the first arcuate peripheral portion including a first arcuate rim bearing and the second arcuate peripheral portion including a second arcuate rim bearing, and the first and second rim bearings being spaced apart in a direction parallel to the axis of rotation of the rotatable bearing assembly. The stationary saddle assembly includes a first arcuate bearing race slidably supporting the first arcuate rim bearing and a spaced apart second arcuate bearing race slidably supporting the second arcuate rim bearing.

The invention provides an enhanced heat conduction lubrication type ball bearing for an X-ray tube and a CT bulb tube. The enhanced heat conduction lubrication type ball bearing comprises a bearing sleeve, a sealing end cover, a bearing raceway, a fixing shaft, a sealing baffle and a ball. A bearing cavity for accommodating the bearing raceway is formed in the bearing sleeve, the bearing cavity is filled with liquid metal, gaps among the bearing raceway, the balls and the fixed shaft are filled with the liquid metal, and the fixed shaft is filled with a flowing heat dissipation medium; the two ends of the bearing sleeve are a closed end and an open end respectively, a sealing step is arranged at the open end, movable sealing grooves are formed in the end face of the sealing step and the end face of the sealing end cover, each movable sealing groove comprises two flow channels intersecting at an acute angle, and a sealing groove and a backflow hole communicated with the movable sealing grooves and the sealing groove are formed in the sealing end cover. The anode assembly has good lubricity, heat dissipation capacity and conductivity, the operation stability is improved, the service life is prolonged, and the heat dissipation power of the anode assembly is greatly improved.

A method for installing a bearing assembly on a stationary component where the bearing assembly includes a bearing carrier, a stationary bearing ring rotationally secured to the bearing carrier and a rotatable bearing ring supported for rotation relative to the first bearing ring. The method includes inserting a portion of the bearing carrier into an opening in the stationary component or inserting a portion of the stationary component into the bearing carrier, using an alignment tool to position at least two exposed radial surface portions of the stationary bearing ring with a surface of the stationary component to produce a temporary alignment of a rotational axis of the stationary bearing ring with a central axis of the stationary component, after producing the temporary alignment, attaching the bearing carrier to the stationary component in a manner that maintains the alignment, and removing the alignment tool from the bearing ring.

The invention relates to a turbine tilting pad sliding bearing lubricating oil device and an oil temperature adjusting method. The lubricating oil device comprises an oil inlet pipe and an oil supply pipe. A mounting part is arranged at the oil outlet end of the oil inlet pipe and is provided with a rotating hole; the oil supply pipe is rotationally arranged on the rotating hole, and an oil spraying hole is formed in the outer side wall of the oil supply pipe; a rotating shifting block is arranged on the outer side wall of the oil supply pipe, a mounting groove is formed in the inner side wall of the rotating hole, an arc-shaped groove coaxial with the rotating hole is formed in the mounting groove, and the sliding end of the rotating shifting block is slidably arranged on the arc-shaped groove and divides the mounting groove into a supporting groove and a driving groove in the circumferential direction of the rotating hole; one end of the elastic piece is connected to the groove wall, away from the rotating shifting block, of the driving groove, and the other end of the elastic piece abuts against the rotating shifting block. The driving groove is filled with a driving body, and the driving body abuts against the rotating shifting block. The system can automatically adjust the temperature of the lubricating oil, has the characteristics of rapidness and high reliability, and can meet the requirement of rapid load change of a coal power unit under a novel power system.

The present invention relates to an air foil journal bearing in which air is introduced between a foil and a rotor rotating at high speed and generates pressure to support a radial load of the rotor and allow the rotor to rotate smoothly, and more particularly, to a housing fixing structure of an air foil journal bearing that improves durability against external impact or vibration by restricting an axial movement of a bump by means of two opposite ends of the bump and a top foil fixing portion.

The invention relates to a repeatedly detachable magnetic composite water lubricated bearing and a maintenance method thereof.The water lubricated bearing comprises a cylindrical bearing seat surrounding a ship stern shaft and a permanent magnet assembly detachably connected with the bearing seat, a cylindrical sliding bearing is arranged on the inner side of the bearing seat, a notch is formed in the outer side face of the sliding bearing, and the permanent magnet assembly is detachably connected with the bearing seat; the notch penetrates through the sliding bearing in the axis direction of the sliding bearing, a containing groove used for containing the permanent magnet assembly is defined between the notch and the inner side wall of the bearing seat, when the water lubrication bearing is arranged on the outer side of the ship tail shaft in a sleeving mode, the containing groove is located over the ship tail shaft, and the permanent magnet assembly is in sliding fit with the containing groove in the axis direction of the sliding bearing. According to the scheme, the permanent magnet is configured to be in a detachable form, and the permanent magnet can be conveniently maintained after being demagnetized, so that the maintenance cost of the water-lubricated bearing is reduced, and the load of the water-lubricated bearing can be reduced for a long time.

The invention discloses a thrust bearing tilting pad structure and an injection system, a tilting pad comprises a pad seat and a filling medium, the pad seat comprises a supporting part, an elastic part and a mounting part which are sequentially arranged from bottom to top and are connected with one another, and the elastic part comprises a plurality of hollow pipes which are arranged side by side and are sequentially connected with one another; each hollow tubular structure is filled with the filling medium, the filling medium is formed by mixing a main agent and an auxiliary agent, the main agent has elasticity, and the auxiliary agent has viscidity. The tilting pad has the beneficial effects that when the hollow tubular structure encounters external impact, the filling medium can better buffer and disperse pressure, vibration generated in the working process of the tilting pad is effectively absorbed and attenuated, noise generated in the working process of the tilting pad is reduced, and by changing the preparation proportion of the main agent and the auxiliary agent, the tilting pad can be effectively prevented from falling off. The damping coefficient of the filling medium can be adjusted, and damping adjustability is achieved.

A fluid film bearing for a rotor hub of a wind turbine includes a first part and a second part rotatably coupled to each other about a longitudinal axis. The first part includes an annular first sliding surface extending in the circumferential direction of the fluid film bearing along the first part. In addition, the second part includes a support structure and a first group of bearing pads coupled to the support structure and having a bearing pad sliding surface configured to slide on the first sliding surface. In addition, the fluid film bearing further includes a seal arranged between the first part and the second part.

The present invention relates to a pair of roller movable shaft seat units, including a bearing box, a brush roller connecting mechanism is arranged in the bearing box, the brush roller connecting mechanism includes a sliding seat and a movable bearing seat, and a shaft support device is inserted in the sliding seat and the movable bearing seat; the rear side of the bearing box is also sealed and connected to a driving box, the driving device is inserted through the rear side wall of the bearing box, and the front side of the bearing box is also provided with an exposed port, when the movable bearing seat is extended from the exposed port, it is in a sealed state with the exposed port to prevent water from entering the bearing box; when the brush roller is replaced, the movable bearing seat can be retracted into the bearing box to avoid collision. By arranging the brush roller connecting mechanism in the bearing box, and being able to move relatively in the bearing box to extend or retract, when extending, part of the brush roller connecting mechanism is pressed against the position of the exposed port, which can effectively prevent water from entering the interior; and it is only extended in the working state, which can also protect the brush roller connecting mechanism and prevent accidental collision during operation.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

An electromechanical power steering system for a vehicle may include a worm that can be driven rotationally about a drive axis by an electric motor, that interacts with a worm gear that is coupled to a steering shaft, and that is mounted such that it can be rotated about the drive axis in a bearing that is held in a holder. The holder may be movable relative to the worm gear. To make a decreased development of noise possible, the holder has a core element that is made from a core material and is connected to at least one contact element. The contact element may be made from a soft material that can be deformed elastically more easily and is softer relative to the core material.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

The utility model belongs to the field of bearings, and discloses a bearing with a heat dissipation structure, which comprises an outer ring, an inner ring and balls, the outer ring is rotatably connected with the inner ring, the balls are respectively rotatably connected with the outer ring and the inner ring, the outer ring is connected with a fixed ring frame, the fixed ring frame is connected with a mounting seat, the outer ring is connected with a heat conduction ring, and the heat conduction ring is connected with a heat conduction rod. The heat conduction rod is connected with heat dissipation fins, the heat dissipation fins are located on the inner side of the fixing ring frame, the installation base is connected with a suction fan, the suction fan is connected with an air inlet pipe, the air inlet pipe is connected with the fixing ring frame, the fixing ring frame is connected with an air outlet pipe, and the installation base is connected with a ventilation opening. According to the technical scheme, the bearing can be cooled, the bearing cooling effect is improved, the bearing operation efficiency is improved, the service life of the bearing is prolonged, and the equipment operation cost is reduced; and air can annularly flow through the fixed ring frame, so that all positions of the outer ring can be uniformly cooled, and the cooling efficiency and the cooling quality are improved.