343 results about "Spherical roller bearing" patented technology

The invention relates to an automatic vertical ring rolling mill. The technical problems that an existing ring rolling mill is low in automation degree, and a core roller is prone to bending are mainly solved. According to the technical scheme, the automatic vertical ring rolling machine comprises a rack, a motor, a speed reducer, a main body rack, an oil cylinder base, a driving roller, a hydraulic oil cylinder, a machine body main shaft, a transmission shaft, a core roller bearing seat, a lower base, a fixed supporting seat, a core roller, a roller holding machine body, a bearing seat driving oil cylinder and a self-aligning roller bearing. A motor and a speed reducer are arranged at the upper end of the rack, the speed reducer is connected with one end of a transmission shaft, self-aligning roller bearings are arranged at the shaft diameter position of the transmission shaft, and the self-aligning roller bearings are installed on the upper portions of the two sides of the main body rack. The driving roller is installed on the transmission shaft, the lower end of the machine body spindle is connected with a nut arranged on the bottom face of the fixed supporting seat, the roller holding machine body is installed at the upper end of the main machine frame and connected with the hydraulic oil cylinder, and the core roller is installed on the core roller bearing seat which is arranged on the fixed supporting seat.

The utility model relates to the field of bearings, and discloses a precise self-aligning roller bearing, which comprises an outer ring, an oil duct at the center of the outer side wall of the outer ring, three oil injection ports annularly arranged on the outer side wall of the oil duct, an oil groove at the center of the inside of the outer ring, an inner ring at the inner side of the outer ring, and an isolation block at the center of the outer side wall of the inner ring. Raceways are arranged on the inner side wall of the outer ring and the outer side wall of the inner ring, hard coatings are arranged on the outer side walls of the two raceways, a plurality of balls are annularly arranged in the two raceways on the two sides of the isolation block, and a reinforced protection structure is arranged on the inner side wall of the inner ring. According to the utility model, through the reinforced protection structure of the aluminum alloy reinforced layer and the carbon fiber reinforced plastic reinforced layer, and the threads arranged on the inner side wall, the connection and the fixation are convenient, so that the structural strength of the inner ring is increased, the inner ring can bear larger load and impact force, the overall weight is reduced, and the stability and the practicability are improved.

Disclosed is a spherical roller bearing comprising: at least an outer ring and an inner ring; two groups of spherical rollers; and at least one cage configured to retain the spherical rollers, the cage comprising at least one axially inner cage ring, a first axially outer cage ring and a second axially outer cage ring extending in a circumferential direction of the spherical roller bearing, the first axial outer retainer ring and the second axial outer retainer ring are respectively separated from the axial inner retainer ring and are connected to the axial inner retainer ring through a plurality of retainer rods to form a closed cavity; each pocket is configured to receive one spherical roller and has an axially inner pocket side face and an axially outer pocket side face configured to restrain the spherical roller in the axial direction, each cage bar has a curved portion extending in the axial direction in the circumferential direction, the curved portion is at least partially concave, and in the axial direction, the curved portion is at least partially concave. The distance between the vertex of the bending part and the side face of the axial inner cavity lattice is different from the distance between the vertex of the bending part and the side face of the axial outer cavity lattice.

The invention discloses a spherical roller bearing entity simulation method, device and equipment and a medium, and relates to the technical field of wind power generation. According to the scheme, when the finite element mesh model of the spherical roller bearing is constructed, the rollers are connected to the bearing inner ring and the bearing outer ring through the spring units, that is, traditional finite element constraint is replaced with the mode that the rollers are constrained through the spring units, and the conventional constraint limitation in finite element simulation is broken through; accurate analysis of bearing roller contact in a complete machine model is realized; after a complete machine finite element mesh model is generated based on a model of the spherical roller bearing, simulation parameters and loading parameters of the complete machine finite element mesh model are set, the simulation parameters at least comprise a working clearance between a roller and a raceway, that is, contact offset is added to simulate the existence of the radial clearance of the bearing, and the loading parameters of the complete machine finite element mesh model are set. The problem of simulation of play contact of the SRB main bearing under the working condition of high axial force is solved, and three-dimensional balance of physical authenticity, calculation efficiency and engineering applicability is achieved.

The utility model belongs to the technical field of cutting arms, and particularly relates to an impact-resistant cutting arm for a hard rock heading machine. Comprising a cantilever cylinder; the cutting main shaft is installed in the cantilever cylinder, a self-aligning roller bearing, a thrust bearing and a cylindrical roller bearing are sequentially arranged between the cutting main shaft and the cantilever cylinder from front to back, a framework oil seal II is arranged behind the cylindrical roller bearing, and a framework oil seal I is arranged in front of the self-aligning roller bearing; the front end of the cantilever cylinder is provided with a floating sealing frame sleeved on the cutting main shaft, the front end of the floating sealing frame is provided with a floating sealing seat sleeved on the cutting main shaft, the floating sealing seat is provided with a mechanical labyrinth seal, and a floating seal is arranged between the floating sealing frame and the floating sealing seat; and the cutting head is fixed at the front end of the cutting main shaft. When the cutting arm of the hard rock heading machine is used for cutting rocks of which the compressive strength is more than 70MPa, the service life of the cutting arm is prolonged.

The invention discloses a large-scale double-impeller leaching stirring tank, and relates to the technical field of gold ore leaching stirring tanks, the large-scale double-impeller leaching stirring tank comprises a transmission part, a bridge part, a stirring part and a tank body part, the transmission part comprises a motor, a high-speed coupler, a speed reducer, a low-speed coupler, a rack and a bearing support; the bearing support comprises a main shaft, a bearing body, a thrust bearing, an upper self-aligning roller bearing, an upper gland, a lower self-aligning roller bearing, a lower gland and a half coupling; the stirring part comprises an upper end shaft, a lower end shaft, an upper hub, a lower hub and blades; a shaft end fixing device is arranged in the center of the bottom of the tank body part; an inflating device is arranged at the lower part of the tank body. The device is used for gold ore pulp leaching operation, the treatment capacity is large, ore flow movement is stable, ore pulp mixing is uniform, air enters the ore pulp through a special inflation device, the ventilation capacity is large, the structure is simple, air dispersion is uniform through blade stirring, and the leaching rate can be effectively improved.

The invention discloses an ultra-high-temperature heavy-load self-aligning roller bearing optimization design method and system based on a particle swarm algorithm, belongs to the field of rolling bearing optimization design, and solves the problems that a traditional bearing design process is low in efficiency, and multi-target collaborative optimization is difficult to achieve. And the design method combining the empirical formula and the finite element model is poor in precision due to the strong coupling characteristic of the material nonlinearity, the thermal coupling effect and the bearing performance under the ultra-high-temperature heavy-load working condition. The method comprises the following steps: S1, determining a bearing parameter, a working condition parameter and a particle swarm algorithm parameter; s2, establishing an optimization model of the ultrahigh-temperature heavy-load self-aligning roller bearing: S21, establishing a target function; s22, determining a design variable; s23, establishing a constraint equation; and S3, optimizing corresponding parameters of the bearing by adopting a particle swarm algorithm to obtain an optimization result. The method is suitable for a self-aligning roller bearing optimization design scene.

The utility model relates to the field of speed reducers, in particular to a simply supported beam speed reducer with a double-support structure. The simply supported beam double-support structure speed reducer comprises a speed reducer lower box body, a speed reducer upper box body and a speed reducer lower box body, and the speed reducer lower box body comprises a box arm and a main box body; the bearing seat is fixed at one end of the box arm; the self-aligning bearing is arranged on the inner wall of the inner ring of the bearing seat; the self-aligning roller bearing is arranged on the inner wall of the lower box body of the speed reducer; one end of the output gear shaft is arranged on the inner wall of the speed reducer lower box body, the other end of the output gear shaft is connected to the self-aligning bearing, the structure of the speed reducer lower box body is changed, the self-aligning roller bearing and the self-aligning bearing at the top end of the output shaft form a double-supporting structure, the overall size of the speed reducer is reduced, the weight is reduced, and the speed reducer is convenient to use. And the borne radial force is larger.

The invention discloses a double-arrangement replaceable self-aligning sliding bearing integrated fan main shaft shafting which comprises a fan main shaft, a bearing seat, a plurality of sliding bearing blocks and an oil bag, and the two sides of an isolating ring are each provided with a bearing block containing groove formed in the circumferential direction of a shaft neck; a plurality of oil groove oil outlets are formed in the two sides of the main shaft oil grooves; a plurality of sliding bearing blocks are uniformly distributed in the bearing block placing groove; the oil bags and the sliding bearing block are arranged at intervals, a through oil scraper oil inlet hole is formed in the lower portion of the oil scraper, and the middle of the oil scraper oil inlet hole is communicated with an oil scraper oil outlet hole. And the bearing seat is arranged outside the sliding bearing block. According to the double-row self-aligning roller bearing, the sliding bearing and related matching parts are integrally copied to form the double-row self-aligning roller bearing, various loads borne by the fan main shaft are borne by the sliding bearing of a single type, meanwhile, the adaptive capacity of the bearing to installation errors and deformation generated in the operation process is improved through the self-aligning design, and the service life of the bearing is prolonged. And the economical efficiency and the reliability of the fan main shaft are improved.

The invention relates to a high-temperature-resistant reusable self-aligning roller bearing, and belongs to the technical field of bearings. A roller is arranged between an inner ring and an outer ring, and the inner ring is made of Al0. 5CrCoFeW0. 5Ni high-entropy alloy; the oxidation resistance, the strength, the stability and the wear resistance during working are met; the outer side surface of the inner ring is subjected to ion implantation modification to form a modified layer of the inner ring; the TiAlN coating reduces energy loss, and the first Ag coating is used for conducting heat and reducing oxidation loss; the outer ring is made of an Al < 0.5 > CoCrFeV < 0.5 > Ni high-entropy alloy; the high bearing capacity, the wear resistance, the fatigue resistance, the dimensional stability and the corrosion resistance in the working process are met; the modified layer on the inner side surface of the outer ring is used for improving the surface hardness and enhancing the wear resistance; the CrAlN coating is used for improving oxidation resistance, and the second Ag coating is used for conducting heat and reducing oxidation loss; the roller is made of an AlCoCrFeNi2. 1Nb0. 6 high-entropy alloy; a lubricating structure on the surface of the roller comprises an annular groove and graphite fluoride; a lubricating film is formed when the raceway and the roller rub each other, and the integrity of the lubricating film is maintained.

The utility model discloses a wear-resistant self-aligning roller bearing, which belongs to the technical field of self-aligning roller bearings and comprises a first outer ring, a second outer ring is mounted on one side of the first outer ring, retainers are mounted on the inner sides of the first outer ring and the second outer ring, arc-shaped guide grooves are formed in the inner sides of the first outer ring and the second outer ring, and the first outer ring and the second outer ring are arranged in the arc-shaped guide grooves. The side, facing the second outer ring, of the first outer ring is connected with an insertion block. According to the wear-resistant self-aligning roller bearing, when the roller body rolls, the balls can be driven to rotate in the rolling grooves, so that the friction force between the roller body and the retainer is reduced, a worker can inject lubricating oil into the oil guide grooves through the oil injection ports, and the lubricating oil flowing in the oil guide grooves can be shunted by the oil distribution grooves; and the lubricating oil flows into the mounting groove from the oil outlet, so that the lubricating oil is uniformly smeared on the roller body, the arc-shaped guide groove and the guide groove through the rotation of the roller body and the retainer, the friction of the roller body during rotation is reduced, and the abrasion is reduced.

The invention provides a self-aligning roller bearing inner ring raceway position detection method based on a coordinate measuring machine, and the method comprises the steps: firstly building a rectangular coordinate system on a to-be-detected self-aligning roller bearing inner ring, and then setting a horizontal reference surface on one end surface of the inner ring; when a coordinate measuring machine is used for establishing a rectangular coordinate system on the self-aligning roller bearing, one end face of an inner ring of the self-aligning roller bearing is used as a datum plane, point positions on the inner ring are subjected to coordinate processing, a plurality of inner ring raceway circles are fitted according to point position coordinates of the inner ring of the self-aligning roller bearing, and then a circle center plane is fitted according to circle center coordinates of the plurality of inner ring raceway circles; and judging whether the position of the inner ring raceway of the to-be-detected self-aligning roller bearing is qualified or not by directly comparing the distance between the coordinate of the center of the inner ring raceway circle in the axis direction of the self-aligning roller bearing and the horizontal reference surface and the distance between the circle center plane and the horizontal reference surface. The scheme that in the prior art, at least one standard self-aligning roller bearing must be used as a reference for detection is avoided, and the detection efficiency is improved.

The invention provides a full-complement long spherical roller bearing. The full-complement long spherical roller bearing comprises an outer ring, rollers, a retainer and an inner ring, the retainer comprises cross beams and double-ring beams, the double-ring beams are supported through the cross beams, the multiple cross beams are evenly distributed on the inner end faces of the double-ring beams and close to the inner diameter side, and a pocket is formed between every two adjacent cross beams and the double-ring beams; the rollers are arranged between the outer ring and the inner ring in a rolling manner, and one roller is arranged in one pocket; the retainer is a one-time punch forming retainer; the retainer can be formed through one-time punching, machining is not needed, rollers can be conveniently and rapidly installed in the retainer, meanwhile, the retainer and a roller assembly are more compact, and loose sleeving of a bearing is avoided in the installation and disassembly process.

The invention discloses a self-aligning roller bearing rotation flexibility test data and assembly parameter correlation analysis method and a self-aligning roller bearing rotation flexibility test data and assembly parameter correlation analysis system. According to the method, bearing assembly parameters and multi-dimensional time sequence data of a rotation test are acquired through a system, and a quantitative correlation model between the bearing assembly parameters and the multi-dimensional time sequence data is constructed by using a machine learning algorithm. On the basis of the model, reverse analysis can be carried out on abnormal test data, and an assembly deviation source which causes poor flexibility is accurately positioned; target parameters can be input in the process design stage, and the expected performance of the bearing can be predicted in the forward direction. The corresponding system integrates a data acquisition module, a model analysis module, an application output module and a process feedback control module, and is integrated with a production line control system. According to the method, traditional qualitative judgment depending on experience is converted into quantitative analysis driven by data and models, intelligent closed loop from quality detection and root diagnosis to process optimization is achieved, and the consistency of bearing assembly quality and the intelligent level of process control are remarkably improved.

The invention discloses a variable reluctance power generation system based on a wind power spherical roller bearing and a wind driven generator, the variable reluctance power generation system based on the wind power spherical roller bearing comprises a bearing and a power generation assembly, the bearing comprises an inner ring, an outer ring and a rolling body, the inner ring is arranged in the outer ring in a sleeved mode, and the inner ring can rotate relative to the outer ring in the radial direction of the outer ring; the rolling body is rotatably arranged between the inner ring and the outer ring, the power generation assembly comprises a mounting ring and a power generator, the mounting ring is detachably arranged on the outer ring and connected with the outer ring, the power generator is arranged on the outer ring, the power generator and the rolling body are oppositely arranged at intervals in the axial direction of the outer ring, and the power generator can generate a magnetic field and is matched with the rolling body so that when the rolling body rotates, the magnetic field can be generated; the rolling body drives the generator to generate a variable reluctance effect so as to generate an induction electric signal. The variable reluctance power generation system based on the wind power spherical roller bearing has the advantages of being simple in structure, accurate in detection result and the like.

The utility model discloses a split bearing for improving the axial loading capacity of a self-aligning roller bearing, and belongs to the technical field of bearings. A split bearing for improving the axial loading capacity of a self-aligning roller bearing comprises a bearing outer ring and a bearing inner ring, the bearing outer ring comprises a left half outer ring and a right half outer ring, the bearing inner ring comprises two half inner rings, the two connecting ends of the left half outer ring and the right half outer ring are connected through two first hexagon socket screws respectively, and the two connecting ends of the left half outer ring and the right half outer ring are connected through two second hexagon socket screws respectively. The butt joint surfaces of the two half-and-half inner rings are in threaded connection through two positive and negative double-end studs respectively; compared with a traditional split type bearing, the split type bearing has the advantages that the structure is simple, fastening can be completed only through screws and bolts, meanwhile, the split type bearing is more suitable for being used in a high-altitude tower seat cabin, a wind power main shaft set with limited space and other working conditions, and the split type bearing has the advantages of being easy to install and replace and low in manufacturing cost.

The invention provides a self-aligning roller bearing with a heat dissipation structure, and relates to the technical field of bearings, the self-aligning roller bearing comprises a bearing seat body and a bearing body; end covers are installed on the left side and the right side of the bearing seat body through bolts, heat dissipation holes are formed in the end covers in an annular array mode and are of a conical structure, and the diameter of the side, close to the bearing seat body, of each heat dissipation hole is larger than that of the side, away from the bearing seat body, of each heat dissipation hole. After the spiral oil storage cavity of the rolling body is filled with high-temperature lubricating grease, the lubricating grease can be automatically supplemented along with temperature, when the bearing operates and heats, the lubricating grease is heated to expand and seeps out through the micro oil outlet holes along a spiral path under the dual action of thermal expansion thrust and the rotating centrifugal force of the rolling body, the higher the temperature is, the more the lubricating grease flows out, and loss of a friction part is supplemented in time; and when the bearing stops rotating or is cooled, the lubricating grease shrinks, the outflow is reduced, and the residual oil returns to the cavity to be stored, so that the lubricating grease is released as required and the residual oil is recycled, the high-temperature lubricating effect is ensured, and excessive consumption of the lubricating grease is avoided.

The utility model discloses a subsection assembly type submersible permanent magnet synchronous motor which comprises motor sections and spline assemblies, the motor sections are connected through the spline assemblies, each motor section comprises a single-section shell and a motor shaft, the single-section shells are connected in a welding mode to form a motor shell, the two ends of each single-section shell are respectively provided with a supporting sleeve, and the motor shaft is connected with the supporting sleeves. The motor shaft penetrates into the single-section shell, the two ends of the motor shaft penetrate to the outer side of the supporting sleeve respectively, the two ends of the motor shaft are provided with shaft sleeves respectively, the shaft sleeves play a role in protecting the motor shaft, the spline assembly comprises a bearing seat, a spline sleeve and a self-aligning roller bearing, and the connecting ends of the motor shaft are inserted into the spline sleeve respectively. A cavity is reserved between the connecting ends of the motor shaft; the whole submersible permanent magnet synchronous motor adopts a segmented assembly structure, the length of a single motor shaft can be effectively reduced, submersible permanent magnet synchronous motors with different lengths can be assembled, the self-aligning performance is good, and the coaxiality error of the motor shafts can be compensated.

The invention discloses a large-lifting-capacity multi-claw lifting hook and an assembling method and a detecting method thereof, and belongs to the technical field of lifting hooks. The large-lifting-capacity multi-claw lifting hook comprises a lifting rod, and a thrust self-aligning roller bearing is installed on the lifting rod; the hook body comprises a hook body and a hook tip, and the hook body and the hook tip are welded; the thrust self-aligning roller bearing supports the hook body, the self-aligning roller bearing is installed on the hook body, the suspender penetrates through the self-aligning roller bearing and the center of the hook body, and the hook body rotates relative to the suspender. And the large lifting capacity is more than 3500t. According to the invention, the large-lifting-capacity multi-claw lifting hook can be assembled and detected.

The self-aligning roller bearing with the good sealing effect comprises an outer ring, sealing grooves are formed in the two ends of the outer ring, fixing grooves are inwards formed in the sealing grooves, sealing rings are installed in the sealing grooves, the inner rings of the sealing rings are fixedly connected with extending flanges, and the extending flanges are fixedly connected with the outer ring of the outer ring. Limiting grooves are formed in the two ends of the sealing ring, one end of each limiting groove is fixedly connected with a spring, the other end of each spring is fixedly connected with a limiting plate, the other end of each limiting plate is fixedly connected with a fixing block, the fixing blocks outwards penetrate through the sealing ring, the fixing blocks correspond to the fixing grooves, and an inner ring is installed on the inner side of the outer ring; according to the self-aligning roller bearing, the sealing groove is formed in the outer ring of the self-aligning roller bearing, then the fixing groove can be inwards formed in the sealing groove, the spring structures are installed at the two ends of the sealing ring, the springs drive the fixing blocks to move, the fixing blocks correspond to the fixing groove, and therefore precise clamping connection with the self-aligning roller bearing is achieved when the sealing ring is installed.

The present application relates to the technical field of wind turbine bearing, in particular to a method and device for adjusting axial force balance of double-row self-aligning roller bearing, the device comprises an axial force applying assembly arranged outside the bearing seat, the axial force applying assembly is composed of a ring-shaped positioning element and a plurality of groups of elastic elements arranged uniformly along the circumference in the cavity of the positioning element, the inner ring of the positioning element extends radially inward and projects to cover the outer ring of the bearing, one end of the elastic element faces the inner part of the cavity, and the other end contacts the outer ring of the bearing through a pressure equalizing ring. The present application generates a reverse additional support force under the action of axial load, actively transfers part of the load from the stressed side bearing row to the non-stressed side, solves the problem that the roller contact stress of the stressed side of the existing double-row self-aligning roller bearing is too high under the single-sided axial load working condition, and early fatigue spalling is easily caused, realizes the balanced distribution of axial force, effectively reduces the peak contact stress, and significantly prolongs the service life of the bearing.

A self-aligning roller bearing (1) comprising an inner bearing ring element (2), an outer bearing ring element (3), and at least a series of roller elements (4) arranged between the inner and outer bearing ring elements (2, 3), wherein the inner bearing ring element (2) has a retaining flange (21) provided on a first axial side of the roller bearing (1), the retaining flange (21) being designed to prevent the roller elements (4) from falling out of the roller bearing (1) through a first axial opening (Ax) between the inner and outer bearing ring elements (2, 3) on the first axial side, the roller bearing (1) further comprising a first sealing ring element (5) arranged on the first axial side for sealing the first axial opening (Ax), the first sealing ring element (5) being rotatable with respect to the inner bearing ring element (2) and bearing against a sealing mating surface (23) of the inner bearing ring element. (2) seals,wherein the retaining flange (21) provides at least one filling recess (22) which is designed to allow the roller elements (4) to be inserted between the inner and outer bearing ring elements (2, 3) during the assembly of the roller bearing (1), and the sealing mating surface (23) is arranged axially outside the at least one filling recess (22).

The utility model discloses a steel wire rope lifting drum assembly for an electric hoist, which comprises a drum body, a rope guider is mounted in the middle of the drum body, and steel wire ropes are wound at two ends of the rope guider; the driving shaft ends are mounted at two ends of the winding drum body; the bearing seat is mounted at the end of the driving shaft through a self-aligning roller bearing, and a through cover fixedly covers the outer side of the bearing seat through a screw; the speed reducer is connected to the end of the driving shaft through a key; the lifting motor is mounted at the other end of the driving shaft end; wherein the winding drum body is provided with a steel wire rope baffle through a bolt, and the steel wire rope baffle is used for pressing the end of a steel wire rope on the outermost side; the end cover of the winding drum body is fixed at the end of the driving shaft through a V-shaped reinforcing seat, the V-shaped reinforcing seat is sleeved and welded at the end of the driving shaft and is provided with a V-shaped caulking groove, the bottom of the V-shaped caulking groove extends to form a rectangular groove, and the end cover of the winding drum body is embedded in the V-shaped caulking groove and is welded and fixed. The V-shaped reinforcing seat is connected with the driving shaft and the winding drum body, stability of the end of the winding drum body is enhanced, the steel wire rope baffle locks the bottom steel wire rope, safety can be guaranteed, and overall operation is convenient, fast and safe.

The utility model discloses a self-aligning roller bearing with high bearing capacity, which comprises a bearing outer ring, a bearing inner ring is arranged inside the bearing outer ring, a retainer is sleeved outside the bearing inner ring, clamping grooves are uniformly arranged at two ends of the outer side of the retainer, and roller main bodies are arranged inside the clamping grooves. The outer side of the roller body abuts against the inner side of the bearing outer ring, and reinforcing mechanisms are arranged between the two end faces of the bearing inner ring and the two end faces of the retainer. The connecting strength between the bearing inner ring and the retainer is enhanced through the effect of the reinforcing mechanism, then the overall bearing capacity of the retainer is improved, radial impact force borne by the bearing inner ring is evenly dispersed to the retainer through the effect of the connecting ring and the connecting rod, and due to the fact that the position of the outer fixing column is located between the clamping grooves, the bearing inner ring is fixed to the retainer. Therefore, the compression deformation of the clamping grooves is further reduced, and the radial impact bearing performance of the self-aligning roller bearing is further improved.

The invention relates to the technical field of bearing ring grinding machine tools, in particular to a single-fulcrum gyroscope type grinding machine tool which comprises a machine tool body. The lathe bed is provided with a box body, a grinding wheel feeding mechanism, a laser diameter measuring instrument transmitting end and a laser diameter measuring instrument receiving end; the box body comprises a machine tool spindle gyroscope body and a part installed in the box body, the upper portion of the gyroscope body is connected with an elastic body, a gyroscope tip of the gyroscope body is installed on a bottom plate of the box body through a self-aligning roller bearing, and the bottom plate of the box body is fixed to a machine tool body; components integrated on the gyroscope body comprise a motor rotor, an inner ring permanent magnet, an electromagnetic inner ring permanent magnet, a wave-shaped ring channel and a workpiece clamping base. Components installed in the box body comprise a motor stator, an outer ring permanent magnet, an outer ring electromagnet, an annular blast pipe and a circle of blast nozzles on the annular blast pipe. The motor stator drives the motor rotor to rotate at a high speed so as to drive the gyroscope body to rotate, the outer ring permanent magnet pushes the gyroscope body through magnetic force, the elastic body absorbs vibration generated in the grinding process and enables the axis of the gyroscope body to be located in the center all the time, and a workpiece ground by the grinding wheel is high in roundness and precision.

The utility model relates to a motor capable of improving axial support and a wet mill, which comprise a casing, a stator fixed on the casing, a rotor which is rotatably accommodated at the inner side of the stator and is provided with a rotating shaft, and a first end cover and a second end cover which are arranged at the two axial sides of the casing, and are respectively provided with a first cavity and a second cavity, the device is characterized in that a first self-aligning roller bearing for supporting the rotating shaft is arranged in the first cavity, and a thrust bearing for supporting the rotating shaft, a spacer bush and a second self-aligning roller bearing are sequentially arranged in the second cavity from bottom to top along the axis. According to the motor capable of improving the axial bearing, the supporting structures on the two axial sides of the motor are improved, so that the motor can conveniently transmit the borne axial load to the second end cover, meanwhile, the rotating shaft of the motor can be self-adaptively aligned through the self-aligning roller bearings on the two axial sides, the radial run-out of the rotating shaft during rotation is reduced, and the service life of the motor is prolonged. And the axial load capacity of the motor is improved while the smooth rotation of the motor is ensured.

The utility model relates to transmission equipment technical field especially relates to a multistage transmission gear box convenient to maintain. Including gear box and gear box cover, be equipped with input shaft, intermediate shaft and output shaft in gear box, be equipped with input gear on input shaft, be equipped with first intermediate gear and second intermediate gear on intermediate shaft, be equipped with output gear on output shaft, input gear and first intermediate gear mesh, output gear and second intermediate gear mesh, constitute multistage transmission, be equipped with observation window for observing internal operation state, oil inlet for adding lubricating oil and oil level for monitoring oil level on gear box, and observation window, oil inlet and oil level are sealed respectively through detachable window cover plate, oil inlet cover plate and oil level cover plate, each shaft is supported on gear box through self -aligning roller bearing, and is limited in the axial position through axial baffle. The utility model solves the problem of the existing gear box inconvenient maintenance, poor sealing performance etc.

The application provides a kind of friction torque measuring tool of centripetal roller bearing under eccentric load state, including motor, sensor and test shaft, the test shaft is arranged on the inner ring of the bearing to be measured, the spline part is provided at one end of test shaft, the motor and sensor are sequentially connected at spline part, it further includes mounting seat and limiting seat, the mounting seat is formed by assembling, and mounting seat can be loaded in the outer ring of the bearing to be measured, the other end of test shaft is rotatably provided with extension, the end of extension is used to connect the load of loading piece, and extension is slidably connected on limiting seat, and limiting seat forms anti-rotation cooperation with limiting seat. In view of the deficiency of prior art, the application provides a kind of friction torque measuring tool of centripetal roller bearing under eccentric load state, which is simple to operate and stable in measurement.

The invention discloses a spin-drying type dehydrator for granulation, and relates to the technical field of plastic cleaning and recycling equipment. A box body and a motor are installed on the machine frame, the motor is connected with a rotating shaft through a coupler, the two ends of the rotating shaft are connected with the box body through self-aligning roller bearings, the self-aligning roller bearings are installed in bearing seats on the outer side of the box body, an isolation bin is arranged at one end in the box body, a discharging port is formed in the bottom of the isolation bin, and the inner wall of the isolation bin is of an arc structure. The second blades, located in the isolation bin, on the rotating shaft are perpendicular to the center of the rotating shaft, the second blades are evenly distributed along the circumference of the rotating shaft, gap areas are arranged between the arc structures and the second blades, and the first blades located outside the isolation bin are evenly distributed on the rotating shaft in a spiral discontinuous mode. And a feeding hopper is mounted at one end of the box body. According to the invention, the dewatering and conveying functions are integrated, the production process flow is improved, the pneumatic conveying link is reduced, the failure rate of equipment is greatly reduced, and the unit energy consumption of a production line is also reduced.

The utility model discloses a storage device for production of self-aligning roller bearings, which belongs to the technical field of storage devices and comprises a bottom plate, rolling wheels are fixedly connected to four corners of the bottom of the outer surface of the bottom plate, an auxiliary fixing structure is arranged on one side of the bottom plate, and a detachable storage structure is arranged at the top of the bottom plate. The auxiliary fixing structure comprises a connecting block, one side of the outer surface of the connecting block is fixedly connected with one side of the outer surface of the bottom plate, according to the storage device for self-aligning roller bearing production, by arranging the auxiliary fixing structure, under the action of a threaded rod, a screw hole block and a rectangular connecting plate can be driven to move, and then an annular pressing plate can be driven to move; the annular pressing plate can penetrate through the limiting insertion rods, then the bearings arranged on the limiting insertion rods in a sleeving mode are subjected to auxiliary limiting, when the number of the bearings on the three limiting insertion rods is different, the threaded auxiliary rod is rotated at the moment, then the annular pressing plate can be driven to move, and then the bearings can be fixed in a matched mode.