198results about "Flywheels" patented technology

The invention relates to the technical field of flywheel energy storage equipment, in particular to a flywheel rotor dynamic balance self-adaptive adjusting method and system based on magnetorheological fluid. The method comprises the steps that the sealing state of a magnetorheological fluid cavity is detected through a pressure sensor, and it is ensured that the pressure in the cavity is stable and free of leakage; the non-contact displacement sensor executes zero calibration, and output signal fluctuation is controlled within a preset range; carrying out no-load test on a current output port of the self-adaptive control module; when the rotating speed rises from a static state to a preset rotating speed value, a sensor of the real-time monitoring module synchronously collects a radial vibration signal of the rotor, decomposes a fundamental frequency vibration component with the same frequency as the rotating speed, and calculates the amplitude and the phase of the unbalance; when the rotating speed is stabilized in a preset rotating speed interval, the self-adaptive control module enters a closed-loop adjusting state, and when an unbalanced phase is calculated according to detection, a corresponding compensation quadrant fan-shaped cavity is locked, and the current of an electromagnetic coil is adjusted; the problem of traditional adjustment lag is solved, and over-compensation and under-compensation under variable working conditions are avoided.

The invention provides a fan tuned mass inerter damper structure and a parameter design method, and belongs to the field of ocean engineering vibration reduction. The structure comprises an engineering structure, an outer sleeve, a roller, an inner sleeve, an additional mass block, four damper spring units and four inerter system units. The engineering structure is fixed with the external sleeve, and a guide rail is formed between the engineering structure and the external sleeve; the additional mass block is arranged in the center of the inner sleeve, the four inerter system units are connected with the damper spring unit and located on the same plane, the other ends of the four inerter system units are connected with the inner wall of the inner sleeve, and each inerter system unit comprises an inerter system spring, a damping unit, a first inerter unit and a second inerter unit. According to the structure, translation-rotation conversion is achieved through the inerter unit, efficient inertia synergy is achieved with small physical mass, and the load of a draught fan is relieved; the four units are symmetrically arranged to ensure omnidirectional vibration suppression; the roller guide rail reduces friction and improves response sensitivity and energy consumption efficiency; according to the parameter design method, parameters are accurately optimized, and broadband vibration reduction performance and engineering reliability are guaranteed.

The inertia flywheel device comprises a bearing part, a driving part is arranged on the bearing part, a buffering part is arranged on the driving part, and a control part is arranged on the buffering part; the control part comprises a connecting piece, a control piece arranged on the connecting piece, a rotating piece arranged on the control piece and an adjusting piece arranged on the buffering part; the buffering part comprises a rotating shaft and a flywheel body arranged on the rotating shaft; the adjusting piece comprises a rotating disc arranged in the flywheel body, an arc-shaped groove formed in the rotating disc and a moving rod arranged in the arc-shaped groove. According to the equipment, the moving pipe is controlled to move through the hydraulic push rod, so that the rotating disc in the adjusting piece rotates, then the balancing weight is controlled to expand and contract, when inertia needs to be adjusted, only the hydraulic push rod needs to be controlled to stretch and contract, shutdown is not needed, and the working efficiency is improved.

The invention provides a mechanical bearing supporting device of a flywheel rotor and a flywheel control system, the mechanical bearing supporting device comprises a working bearing seat, a plurality of deep groove ball bearings and deep groove ball bearing outer sleeves, and the working bearing seat is arranged on the outer side of a rotor shaft head of the flywheel rotor; the plurality of deep groove ball bearings are coaxially sleeved on the rotor shaft head of the flywheel rotor; the deep groove ball bearing outer sleeve is arranged on the outer rings of the deep groove ball bearings in a sleeving manner; the inner surface of the working bearing seat is of a conical structure, a gap between the inner surface of the working bearing seat and the deep groove ball bearing outer sleeve and close to one end of the flywheel center is a first damping gap, and a gap between the inner surface of the working bearing seat and the deep groove ball bearing outer sleeve and far away from one end of the flywheel center is a second damping gap. And the first damping gap is larger than the second damping gap, so that the load borne by each deep groove ball bearing during high-speed operation of the flywheel rotor is balanced. According to the deep groove ball bearing, the load of each deep groove ball bearing is balanced, and the bearing stability is improved.

The present invention relates to a method for producing a flywheel, in which a damping plate part is produced by permanently connecting at least a first metallic plate element (13) provided for the flywheel to at least one further material layer (14) to form a sandwich component, wherein, according to the invention, the first plate element (13) is connected by a joining process to at least a second, parallel plate layer (14), so that they lie on one another to form a disc-shaped structural unit (10). According to the invention, at least two sheet metal layers (13, 14) from different materials and / or at least two sheet metal layers (13, 14) having different material strengths are connected with each other. This enables a large variance for the production of flywheels. In this way, it is possible, for example, to produce according to this concept a flywheel having a plurality of superimposed plates adapted to the respective load situation in a defined flexibility.

According to the self-adaptive damping and bionic self-balancing integrated flywheel rotor provided by the embodiment of the invention, due to the fact that the bionic multi-cavity self-balancing module does not need external regulation and control, dynamic unbalance can be compensated in real time, the dynamic unbalance far exceeds a traditional active regulation and control scheme, and vibration aggravation and bearing abrasion caused by unbalance are effectively avoided. The magnetorheological elastomer damping layer can adjust the shear modulus in a self-adaptive mode according to the vibration state, an additional external damping device is not needed, the self-repairing protection layer can conduct in-situ self-repairing on microcracks, and a brand new technical path is provided for engineering application of a flywheel energy storage system with the high rotating speed, the long service life and the high reliability.

The utility model relates to an elastic ratchet wheel structure and a flywheel, the elastic ratchet wheel structure is matched with a tower footing, the elastic ratchet wheel structure comprises a flywheel body, the flywheel body is axially through, the inner wall of the flywheel body is provided with an annular step, and the annular step divides the inner cavity of the flywheel body into a first chamber and a second chamber; the sealing cover is arranged in the first cavity; the first gear ring is axially and movably assembled in the second cavity, an elastic piece is arranged between the first gear ring and the annular step, and a plurality of first ratchet parts are distributed on the other side of the first gear ring in an annular array mode; the flywheel shaft is assembled on the tower footing, the flywheel shaft is assembled from the second cavity, sequentially penetrates through the first gear ring, the elastic piece and the annular step and extends into the first cavity to be assembled with the sealing cover in a threaded mode, a second gear ring is axially arranged on the flywheel shaft, and a plurality of second ratchet parts meshed with the first gear ring in a one-way mode are distributed on the second gear ring in an annular array mode. According to the utility model, the transmittable torque is optimized and increased, and the abrasion is greatly minimized.

The invention provides a flywheel energy storage device with elastic spokes, and relates to the technical field of robots, the flywheel energy storage device comprises a flywheel, elastic spokes, a driving power generation assembly, a central shaft, a belt and a shell; the elastic spokes are uniformly distributed between the flywheel and the central shaft; the central shaft is mounted on the shell through a bearing; the driving power generation assembly is connected with the center shaft through a belt. The working state of the flywheel energy storage device comprises an energy storage state and an energy release state; in the energy storage state, the driving power generation assembly is connected with an external power supply, the flywheel is driven to rotate through the center shaft, and energy is stored through the flywheel; in the energy release state, the flywheel rotates to drive the driving power generation assembly to rotate through the center shaft, and energy is released through the driving power generation assembly; when the rotating speed of the flywheel is increased, the elastic spokes are bent outwards, and partial stress generated by centrifugal force is released; and when the rotating speed of the flywheel is reduced, the elastic spokes recover to drive the flywheel to keep stable rotation.

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

A power transmission device includes a flywheel with increased inertia and a damper device. The flywheel includes a body portion, an attachment portion, and a first protruding portion. The attachment portion is disposed radially outward with respect to the body portion. The first protruding portion is disposed radially outward with respect to the attachment portion. The first protruding portion protrudes toward a first axial side with respect to the attachment portion. The damper device is disposed on the first axial side with respect to the body portion. The damper device is attached to the attachment portion.

The invention relates in preferred embodiments, to a resonant damper (1) preferably comprising a crank (2) arranged on a shaft (3) rotatable around a rotation axis (4), the crank has a radial guide (5) having a radial extension, a spring system (6) suspending a weight (7), Wherein the weight (7) and the radial guide (5) are mutually configured to confine movement of said weight (7) to a radial direction, and prevent the weight (7) to be positioned with its centre of mass coinciding with the rotation axis (4). The radial movement is a radial movement in a reference frame rotating around said rotation axis (4). The spring system (6) is configured to force the weight (7) towards a spring force equilibrium position (8) coinciding with or in vicinity of the rotation axis (4).

The present invention relates in general to working machines with working units which are subject to fluctuating loads or have a fluctuating power consumption. The invention relates to a drive train assembly for driving such a working unit having fluctuating power consumption from a working source, having a unit transmission which converts a drive movement of the drive source into a working movement of the working unit, and which is connected to the working unit on one side by way of a transmission output element and on the other side to the drive source by way of a transmission input element, and having a flywheel energy store for mitigating load surges or fluctuations. The invention also relates to the working machine having a drive unit with fluctuating power consumption and said drive train assembly having a flywheel energy store. According to the invention, the flywheel energy store is to be connected to the drive train section leading from the unit transmission to the working unit to be driven via a branching flywheel mass section at different engagement points such that the flywheel mass moments are split and the loads are distributed to different engagement points such that overloading and premature wear at a single engagement point can be avoided and the overall size can also be reduced substantially as a result of the load distribution.

The invention discloses a lunar rover adjustable inerter suspension device based on stepless speed change. Comprising a shell, electromagnetic windings arranged in the shell in an array mode, planetary intermediate gear fixers connected with the electromagnetic windings, a flywheel arranged in the shell, an output bevel gear connected with the flywheel, and a plurality of planetary intermediate gears arranged on the outer side of the output bevel gear and connected with the output bevel gear in a meshed mode. The planetary intermediate gear is arranged in the shell, the input bevel gear is arranged on the outer side of the planetary intermediate gear and connected with the planetary intermediate gear in a meshed mode, the lead screw is arranged below the input bevel gear and fixedly connected with the input bevel gear, the lead screw nut is arranged on the lead screw and connected with the lead screw, and fixed lifting lugs are arranged at the upper end of the shell and the lower end of the lead screw nut. The planet intermediate gear is installed on the planet intermediate gear fixing device through the gear shaft, and the electromagnetic winding is connected with the planet intermediate gear fixing device. The beneficial effects of the invention are that the method effectively makes up the defects of the prior art in the aspects of adjustment flexibility, adaptability, precision and extreme environment adaptation to the moon.

The invention provides a pulley block planetary composite damping shock absorber of an ultra-long flexible blade of a wind turbine generator and a control method of the pulley block planetary composite damping shock absorber, and belongs to the field of wind power equipment. The system comprises a pulley block, a pulley block assembly, a sun inerter device, a planet inerter device and a shell plate. When the blades swing, shimmy and twist, bending deformation of the blades is transmitted to the pulley blocks through the steel wire cables, vibration displacement is amplified, the inerter system is driven to rotate at a high speed, and under the coordination effect of the inerter effect and various damping elements, the system can convert inertia force of the inerter device into reverse damping force. And energy is efficiently dissipated through multiple paths such as oil circulation and particle collision. Through elastic connection, the planetary inerter compound system achieves adjustment of damping characteristics and broadband vibration suppression, the vibration amplitude of the fan blade is remarkably reduced, the service life of the fan blade is prolonged, and the reliability of the fan blade is improved.

The present application relates to a damping device with a clutch. The damping device comprises a flywheel, a damper output flange arranged coaxially with the flywheel, and a damper spring abutting between the flywheel and the damper output flange in the rotation direction of the damping device, so as to be able to transmit torque between the flywheel and the damper output flange. Wherein the damping device further comprises a clutch disc torsionally connected with the damper output flange and located on the side of the damper output flange away from the flywheel in the axial direction, and a clutch output flange arranged coaxially with the damper output flange, at least a part of the clutch output flange being located between the damper output flange and the clutch disc in the axial direction. The clutch disc can abut on the clutch output flange in the axial direction to transmit torque therebetween, or be separated from the clutch output flange to disconnect the torque transmission therebetween. The damping device of the present application has a compact layout.

The application relates to a space paddle type inertial device, which comprises a piston driving rod, a flywheel, a rotary damper and a space paddle type rotating shaft; the space paddle type rotating shaft comprises a spherical hinge, a bearing and a connecting rod which are sequentially connected; the flywheel and the rotary damper are connected with two ends of the connecting rod respectively, and the piston driving rod is connected with the spherical hinge; the flywheel and the rotary damper rotate around the same axis, the piston driving rod moves horizontally under the drive of the outside world, the flywheel and the rotary damper are driven to rotate by the space paddle type rotating shaft, and the translation of the piston driving rod is converted into the rotation of the flywheel and the rotary damper by the space paddle type rotating shaft. The rotation of the flywheel realizes mass amplification. The application realizes mass amplification, damping energy consumption, and has the advantages of simple mechanical form, flexible installation, easy implementation, high-efficiency vibration reduction, simple structure, low cost, convenient maintenance and high energy dissipation efficiency compared with the prior art.

The invention relates to the technical field of inertia flywheel control, in particular to a starting method and device of an inertia flywheel system. The method comprises the steps that in response to a received inertia flywheel starting signal, the rotating speed of a flywheel rotor is controlled to reach a first preset rotating speed and lasts for a first preset duration; the rotating speed of the synchronous phase modifier is controlled to reach a second preset rotating speed and lasts for a second preset duration; the rotating speed of the flywheel rotor is controlled to reach a second preset rotating speed and lasts for a third preset duration; synchronously controlling the synchronous phase modifier and the flywheel rotor to reach a fifth preset rotating speed; wherein the fifth preset rotating speed is larger than the second preset rotating speed, and the second preset rotating speed is larger than the first preset rotating speed. Therefore, the starting stability of the inertia flywheel system can be improved.

The present disclosure relates to a dual mass flywheel comprising a primary flywheel arranged about a rotational axis, a secondary flywheel arranged about the rotational axis and being rotatable relative to the primary flywheel, a main cover plate fastened to the primary flywheel, the secondary flywheel being arranged between the primary flywheel and the main cover plate in an axial direction, an elastic cover plate fastened to the secondary flywheel, extending towards the main cover plate at an angle to a radial direction and elastically biasing the main cover plate in the axial direction. The elastic cover plate comprises an anti-inversion portion for preventing an inversion of an extension angle of the elastic cover plate relative to the radial direction. The present disclosure further relates to a driveline comprising such a dual mass flywheel and a vehicle comprising such a driveline.

The invention provides a flywheel diaphragm weight reduction method and device, a medium, a processor and a flywheel diaphragm. The method comprises the steps that a bending moment distribution curve of a crankshaft system in an engine work period is obtained; calculating stress distribution and a fatigue safety coefficient of the flywheel diaphragm under the action of the bending moment of the bending moment distribution curve so as to determine a strength sensitive area of the flywheel diaphragm; the geometric boundary of a fan-shaped lightening hole of the flywheel diaphragm is determined, the two side edges of the fan-shaped lightening hole are aligned with the boundary of the strength sensitive area, and two concentric arcs are determined according to bolt assembly constraint; and checking the strength and torsional vibration characteristics of the flywheel diaphragm adopting the fan-shaped lightening hole structure under the dynamic load, and iteratively optimizing the side angle and the arc radius of the fan-shaped lightening hole until the flywheel diaphragm meets the strength allowance requirement and the torsional vibration response is within the allowable range. The problem that in the prior art, the weight reduction effect of a traditional elastic flywheel diaphragm structure is poor is solved.

The invention discloses a torque-limiting dual-mass flywheel which comprises a primary flywheel, a secondary flywheel and an arc-shaped spring arranged between the primary flywheel and the secondary flywheel. The secondary flywheel is provided with a torque limiting structure which comprises a first end gear, a second end gear, a disc hub and an elastic element, wherein the first end gear and the second end gear are axially meshed with each other, and the elastic element exerts axial pre-tightening force on the disc hub. The first end gear and the second end gear are composed of asymmetrical end face teeth, and the end face teeth comprise oblique tooth faces used for transmitting torque and stop tooth faces used for limiting. When the transmission torque exceeds a preset threshold value, the end face teeth generate axial displacement under the action of the helical tooth surfaces and are controlled to be disengaged, so that the limitation and buffering of overlarge or instantaneous impact torque are realized; when the torque returns to normal, the end face teeth are meshed again under the action of the elastic element, and normal transmission is recovered. While the torsion vibration reduction function of the arc-shaped spring is kept, torsion limiting protection which is compact in structure, rapid in response and reliable is achieved, and the torsion limiting device is suitable for range extending type and hybrid electric vehicle power systems.

The invention discloses a permanent magnet motor assembling device with an intelligent positioning function, and relates to the technical field of assembling equipment.The permanent magnet motor assembling device comprises a rack, a first driving part, an assembling device, a positioning device and a feeding device, the feeding device feeds a stator and a rotor into the positioning device, the positioning device can move the rotor to a preset position, and the positioning device is connected with the rack; the assembling device adopts a multi-stage buffer mechanism, so that the flywheel mechanism can quickly absorb and disperse instantaneous magnetic attraction force borne by the rotor when sudden magnetic attraction change occurs in the assembling process of the stator and the rotor, the instantaneous acceleration of the rotor is effectively inhibited, and the rotor is prevented from being violently impacted due to sudden attraction force; meanwhile, the damping mechanism provides a softer damping effect, the descending speed of the rotor is slowed down, the rotor is kept in a stable and controllable motion state in the process of approaching the final assembly position, and therefore secondary impact caused by inertia or residual magnetic force is avoided.

The application discloses a variable inertia flywheel screw rod type inertia and damping equipment, which comprises upper hanging ears, screw rod cylinders welded with the upper hanging ears, main screw rods connected with the screw rod cylinders, variable inertia devices connected with the main screw rods, vibration suppression devices arranged on one side of the variable inertia devices, and lower hanging ears arranged on the side, away from the variable inertia devices, of the vibration suppression devices, wherein the main screw rods are rotationally connected with the screw rod cylinders, the main screw rods are arranged in the variable inertia devices and connected with both sides of the variable inertia devices through upper ball bearings and lower ball bearings, the main screw rods are connected with the vibration suppression devices, and the lower hanging ears are mounted on the vibration suppression devices through welding. The variable inertia flywheel screw rod type inertia and damping equipment has the advantages of good vibration isolation effect, simple structure, low cost, fast response, high reliability, easy installation and arrangement, high production efficiency and the like, effectively reduces the complexity of a force control system and reduces space occupancy, and meanwhile, the split type design reduces manufacturing difficulty, so that the design is easier to be close to actual production.

The utility model relates to a damping device and power transmission device provide compact damping device. Damping device has first rotating part, second rotating part, elastic part and first friction part. First rotating part has along the circumference arrangement multiple first through -hole. Second rotating part has multiple second through -hole. Each second through -hole is when observing with the axial and corresponding each first through -hole overlap. Second rotating part is configured to be able to rotate with first rotating part. Elastic part links first rotating part and second rotating part elastically. First friction part is arranged between first rotating part and second rotating part. First friction part is constituted and slides with first rotating part in the radial inboard side to each first through -hole and each second through -hole. First friction part is constituted and rotates with second rotating part integrally.

A system may include a large flywheel including a rotatable large mass member and one or more shafts coupled with the rotatable large mass member. A system may include a magnetic lift component having one or more magnets positioned about the central aperture, the one or more shafts passing through the central aperture in the magnetic lift component, the one or more magnets pulling the large flywheel toward the magnetic lift component. A system may include a support structure coupled with the magnetic lift member, the support structure holding the magnetic lift member in a rest position relative to the support structure. A system may include one or more bearings coupled with the support structure and the one or more shafts to hold the one or more shafts on the rotational axis.

1. An electrical power generation and / or power storage apparatus comprising a floating flywheel, the flywheel being adapted, in use, to contact a body of liquid for rotation about a substantially vertical axis, the underside of the flywheel including circumferentially extending openings, gas being trapped in the openings by the surface of the liquid, in use, to define a gas cushion for supporting said flywheel.

A flywheel system may include one or more large mass plates. The system may include two or more clamping plates, including a bottom clamping plate and a top clamping plate, with one or more large mass plates located between the two or more clamping plates. The system may include two or more shafts, including a top shaft and a bottom shaft, the bottom shaft being physically separate from the top shaft. The system may include a plurality of fasteners coupling the top clamping plate with the bottom clamping plate, the plurality of fasteners applying a clamping force on the one or more large mass plates using at least one of the two or more clamping plates and the two or more shafts.

The application discloses a ball screw type tuned mass damper inertial container and relates to the technical field of structural damping, which comprises a mass block, a ball screw element, a shaft coupling, a flywheel and a slide rail, wherein the ball screw element comprises a screw shaft, a ball nut and balls; the ball nut is in contact connection with the screw shaft; the balls slide between the screw thread of the screw shaft and the internal track of the ball nut; the mass block is fixedly connected with the ball nut; the screw shaft is connected with the shaft coupling; and the shaft coupling drives the flywheel to rotate. The ball screw type inertial container can realize greater equivalent inertia through smaller physical mass, has adjustability and can be applied to various scenes. The application also introduces a one-way rotation modulator, which can ensure one-way rotation of the flywheel, widen the vibration absorption frequency band, and improve the stability, reliability and vibration control performance of the device.

The invention discloses a flywheel device for a straw bundling machine, and belongs to the technical field of flywheel energy storage. The connecting piece is used for being connected with an external rotating shaft, and the buffering wheel disc, the kinetic energy wheel disc and the potential energy wheel disc are sequentially arranged on the connecting piece in a sleeving mode in the axial direction. The kinetic energy wheel disc is provided with a variable rotational inertia assembly for achieving multi-stage kinetic energy storage of the flywheel device, the buffer wheel disc is provided with a circumferential buffer assembly for improving the speed change stability and smoothness of the flywheel device, and the potential energy wheel disc is provided with a potential energy storage assembly for expanding the energy storage form of the flywheel device. The variable rotational inertia assembly comprises an inertia cavity A, an inertia cavity B and an inertia cavity C which are equal in size, a channel AB and a channel BC which are communicated with every two adjacent inertia cavities, and a channel A and a channel C which are used for inflating the inertia cavity A and the inertia cavity C at high pressure from the outside respectively. The flywheel device has three-stage kinetic energy storage and continuous potential energy storage functions and is more stable and smoother during speed change.

The utility model belongs to the technical field of bicycle flywheel manufacturing, and particularly relates to a bicycle flywheel made of carbon fibers, which comprises a ratchet part, a crankset is fixedly mounted on the outer side of the ratchet part, a heat dissipation part is fixedly connected to the front side of the ratchet part, a plurality of groups of positioning blocks are uniformly and fixedly connected to the outer surface of the ratchet part, and clamping grooves are formed in the rear parts of the positioning blocks. The inner wall of the chain wheel is rotatably connected with a rotating ring, the rotating ring is slidably connected to the inner wall of the clamping groove, the inner side of the rotating ring is provided with a groove matched with the positioning block in shape, the rear side of the rotating ring is fixedly connected with a pull rod slidably arranged on the inner wall of the chain wheel, the inner wall of the chain wheel is provided with an inserting groove, and the positioning block is matched with the inserting groove in an inserted mode. According to the flywheel, the rotating ring is fixed to the inner wall of the crankset through the fastening bolt, the crankset and the ratchet wheel part can be separated through the rotating ring only by unscrewing the bolt during disassembly, the maintenance time is saved compared with an overall disassembly mode of a traditional flywheel, and abrasion parts can be conveniently and independently replaced.