4591results 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.

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 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.

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.

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.

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.

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.

The invention relates to the technical field of bearing pedestals, and discloses a sliding bearing pedestal which comprises a lower outer ring, an upper outer ring, a lower bearing bush and an upper bearing bush, a cooling pipe is arranged in a containing groove, the outer surface of a turbulent flow shaft is fixedly sleeved with a plurality of turbulent flow blades, and the end, located in a turbulent flow box, of a movable rod is fixedly connected with a rack. The outer surface of the transmission shaft is fixedly sleeved with a transmission gear, one side of the connecting plate is fixedly connected with a triangular block, and the outer surface of the upper bearing bush is fixedly connected with a shifting rod. When the upper bearing bush rotates, a shifting rod is driven to be matched with a triangular block, extrude a connecting plate and enable a rack to move, and is matched with a transmission gear, a driving bevel gear and a driven bevel gear, so that a turbulent flow shaft drives turbulent flow blades to rotate to turbulent flow cooling water in the cooling pipe, and the heat exchange speed between the cooling water in the cooling pipe is increased; the cooling water is fully subjected to heat exchange with heat generated when the bearing seat works, so that the heat exchange efficiency is greatly improved.

The invention relates to an optimization method of a wind power bearing, and belongs to the technical field of bearing optimization. According to the method, firstly, bearing parameters with the fatigue life conforming to the specification are obtained, then the deformation condition of an inner ring raceway is considered, the bearing parameters which are closer to the reality are obtained, contact stresses of corresponding rollers and the inner ring raceway under # imgabs0 #, # imgabs1 # and # imgabs2 # are obtained, and the three accurate contact stresses conforming to the corresponding specification are taken as the target. According to the method, the roller surface repair amount in the roller parameters is adjusted to optimize the wind power bearing, the obtained bearing parameters, the contact stress of the roller corresponding to the bearing parameters and the inner ring raceway and the error of the fatigue life are smaller, and then the accuracy of the bearing optimization result is improved.

A bearing assembly includes an annular carrier, an outer ring disposed within the carrier, the outer ring having an outer raceway and a transmitter coil spaced axially from the outer raceway. The transmitter coil is electrically connectable with a battery and is configured to generate an electromagnetic field when current flows through the transmitter coil. An inner ring is disposable about a rotor shaft and has an inner raceway and a receiver coil spaced axially from the inner raceway so as to be located proximal to and inductively coupled with the transmitter coil such that electric current is generated within the receiver coil when current flows through the transmitter coil. The receiver coil is connected to electromagnetic coils of a motor rotor such that electric current flows from receiver coil to the coils. A plurality of rolling elements are disposed between rotatably couple the outer ring with the inner ring.

The invention provides a thrust sliding bearing, a shaft system and a wind generating set. The thrust sliding bearing comprises a thrust disc, a thrust supporting disc and a first bearing bush. The thrust disc is arranged on the rotating shaft and protrudes outwards in the radial direction relative to the rotating shaft; the thrust supporting part is opposite to the thrust disc in the axial direction of the rotating shaft, and the bearing bush assembly is fixedly installed on the axial side surface of the thrust disc, makes sliding contact with the thrust supporting part and can rotate along with the thrust disc. According to the thrust sliding bearing provided by the embodiment of the invention, the bearing bush assembly is fixedly mounted on the thrust disc, when the bearing bush assembly needs to be maintained or replaced, the thrust disc can be driven to rotate through the rotation of the rotating shaft, and under the condition, the bearing bush assembly can rotate along with the thrust disc, so that the bearing bush assembly can rotate along with the thrust disc; when the bearing bush assembly needs to be replaced, the bearing bush assembly needing to be replaced can be rotated to the upper non-load point, so that the bearing bush assembly can be detached from the rotating shaft under the condition that the bearing bush assembly needing to be replaced does not bear load, and the operation and maintenance difficulty can be remarkably reduced.

A compressor assembly is provided and includes a fluid pathway, a compressor disposed and configured to compress fluid flowing along the fluid pathway and a motor configured to drive operations of the compressor. The motor includes one or more hybrid airfoil bearings to support the shaft within a housing. Each of the one or more hybrid airfoil bearings includes airfoil bearing components including a top foil immediately surrounding the shaft and additional components and passive magnetic bearing components 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 discloses a low-cost full-load motor which comprises a rotor, a stator and a hollow rotating shaft, the hollow rotating shaft is arranged on the rotor through a rotor hub and used for transmitting torque, a bearing assembly is arranged between the hollow rotating shaft and the stator in the axial direction, and floating end bearings and fixed end bearings of the assembly are arranged at intervals in the axial direction of the hollow rotating shaft. And the hollow rotating shaft is axially positioned relative to the bearing seat by the fixed end bearing supporting point. The floating end bearing supporting point can bear axial displacement generated when the distance between the two bearings is changed due to thermal expansion of the hollow rotating shaft relative to the bearing seat, and the accumulated tolerance of components influencing the distance between the two bearings is made up. The problems that a conventional motor is high in manufacturing cost, tedious in assembly and troublesome in maintenance are solved. Besides, the motor has a full-bearing function, the output end of the motor can be connected with a load end with any load direction change and operates stably, the load end does not need to be connected after a bearing structure is switched over, and the problems of large occupied space and high weight are solved.

[Bearing device with integrated electrical insulation, in particular for an electric motor or machine] This bearing device comprises a bearing 10 provided with a first ring 12 and a second ring 14 capable of rotating relative to each other. The device comprises at least one insulating sleeve 22 mounted on the second ring 14 of the bearing and provided with a bushing 24 and an insulating lining 26 overmolded on the second ring 14 and made of electrically insulating material. The bushing comprises a first axial flange 24a and a second axial flange 24b connected by a central radial core 24c. The insulating lining 26 covers at least the second axial flange 24b, the first axial flange 24a being radially offset relative to the insulating lining 26 on the side opposite the bearing 10. Reference: Figure 3

A bearing assembly includes an outer ring connectable with a housing, the outer ring having an outer ring raceway and a transmitting coil axially spaced from the outer ring raceway. The transmitting coil can be electrically connected to a battery and is configured to generate an electromagnetic field when a current flows therethrough. The inner ring can be arranged around a rotating shaft of the rotor and is provided with an inner ring raceway and a receiving coil which is spaced from the inner ring raceway in the axial direction. And the receiving coil is close to the transmitting coil and is in induction connection with the transmitting coil, so that current is generated in the receiving coil when the current flows through the transmitting coil. The receiving coil is connected with an electromagnetic coil of the motor rotor, so that current flows to the electromagnetic coil from the receiving coil. A plurality of rolling bodies are disposed between the outer ring raceway and the inner ring raceway to rotatably connect the outer ring and the inner ring together.

The invention belongs to the technical field of sliding bearings and protection thereof, and discloses a metal radial elastic sheath for a ceramic sliding bearing under a high-temperature working condition, and the sheath comprises an inner sheath and an outer sheath; the inner sheath sleeves the periphery of the ceramic bushing, is a thin-wall metal sleeve, and is provided with a plurality of spiral openings in the circumferential direction, so that the inner sheath generates elastic bending when being stressed in the radial direction and disperses stress in the annular range; the outer sheath is sleeved on the periphery of the inner sheath, helical teeth are uniformly distributed on the inner circumferential surface of the outer sheath, and the helical teeth apply centripetal acting force to the inner sheath through radial elastic deformation under assembly and high-temperature working conditions. Through flexible deformation of the spiral opening of the inner sheath and radial elastic pre-tightening fit of the helical teeth of the outer sheath, fastening fit can be maintained when a thermal expansion difference exists between the metal bearing seat and the ceramic bushing, stress concentration of the ceramic bushing is reduced, and the risk of axis drift is reduced.

The invention relates to an adapter sleeve with excellent installation adaptability, and belongs to the technical field of adapter sleeves, the adapter sleeve comprises a rotating shaft, and the outer wall of the rotating shaft is provided with a bearing main body. When the adapter sleeve and the bearing are assembled and connected, in order to improve the self-locking stability of the positioning block after threaded connection and prevent the positioning block from slipping after being used for a long time and reducing the stability of the bearing under high-strength rotation, the rotating block is operated, and under the fixed connection of the connecting shaft, the rotating block is not prone to falling off. A connecting gear is driven to rotate, through rotation of the connecting gear, a clamping rod is driven to slide along the inner wall of a limiting groove through rotation of a swing rod, the clamping rod is inserted into a clamping groove, and meanwhile, through rotation of the connecting gear, an extrusion block is extruded, and a telescopic rod and a spring are driven to do reciprocating jacking motion; and the gear is clamped and fixed by the extrusion block in time, so that the clamping and fixing use stability of the clamping rod to the positioning block is improved.

A hybrid airfoil thrust bearing is provided for a shaft including a thrust disc that rotates with the shaft. The hybrid airfoil thrust bearing includes airfoil bearing components and passive magnetic bearing components. The hybrid airfoil bearing components include a first top foil immediately adjacent to a first side of the thrust disc and surrounding the shaft, first additional components, a second top foil immediately adjacent to a second side of the thrust disc and surrounding the shaft and second additional components. The passive magnetic bearing components are integrated into the thrust disc and into the first and second additional components to remove a static load of the thrust disc on the first top foil and on the second top foil.

The utility model discloses a shockproof bearing, which belongs to the technical field of bearings and comprises a bearing body and a damping pad, the damping pad is arranged on the outer diameter of the bearing body, lock sleeves are arranged at two ends of the bearing body, exhaust holes are arranged on the outer diameters of the bearing body and the damping pad, and the exhaust holes are communicated with the lock sleeves. The outer diameter of the bearing body and the outer diameter of the damping pad are each provided with an oil injection hole, meanwhile, the outer diameter of the bearing body and the outer diameter of the damping pad are each provided with an oil outlet hole, four first fixing columns are fixedly installed on the outer diameter of the damping pad, and meanwhile the other ends of the first fixing columns are connected with second fixing columns in a sliding mode. In the actual use process, the stress borne by the bearing in the operation process can be dispersed, and when vibration or impact occurs, the stress can be absorbed and dispersed to a larger area by the buffering part instead of being concentrated on a certain part, so that the fatigue damage risk of the bearing part is reduced, and the service life of the bearing part is prolonged. And the bearing is not easy to generate fatigue cracks and other failure forms in the long-time use process.