460results about "Flywheels" patented technology

The invention discloses a collaborative enhancement energy consumption mechanism and a support arm type fan tower drum damping device with the collaborative enhancement energy consumption mechanism, and relates to the technical field of engineering structure vibration, the collaborative enhancement energy consumption mechanism comprises a liquid column lever assembly and a plurality of inerter damping units symmetrically installed at the end of the liquid column lever assembly, and each inerter damping unit comprises a shell; the hydraulic damper and the linear-rotation converter are sequentially and axially installed in the shell from top to bottom, when the liquid column inclines, the first connecting plate is driven to drive the piston rod to stretch out and draw back, the piston rod drives the flywheel to rotate through the linear-rotation converter, and therefore vibration energy is transmitted to a fixed foundation structure through the second connecting plate to be dissipated; the invention further discloses a supporting arm type fan tower drum vibration reduction device, displacement of the vibration transmission part is transmitted to the liquid column lever through the connecting piece, the inerter damping unit is driven to stretch out and draw back, a complete energy consumption chain of the tower drum, the vibration transmission part, the connecting piece, the liquid column, the inerter damping unit and the ground is formed, and it is guaranteed that energy is stably transmitted to a fixed foundation structure.

The present invention discloses a device for a liquid-assisted sealed air cushion to support a rotor. The present invention utilizes the centrifugal force acting on the lift disc during rotation, and the liquid assists in sealing the air cushion, reducing the gas leakage amount. Compared with sealing forms such as carbon rings, the sealing effect is better and the cost is lower. Specifically, after the lift disc rotates, the liquid enters the liquid sealing cavity. Under the action of the centrifugal force of the liquid and the hindering effect of the liquid and the gas-blocking packing, the liquid assists in sealing the air cushion, which can reduce the gas leakage amount in the air cushion chamber. The present invention realizes the function of sealing the air cushion well at low cost.

A system may include a stacking device having a base portion and one or more walls, the base portion having a first axle receiver that holds a first axle at a first defined position, the one or more walls extending from the base portion, the stacking device receiving one or more flywheel plates onto the first axle. A system may include a clamping device adapted to couple with the stacking device using one or more alignment mechanisms, the clamping device including a second axle receiver that holds a second axle at a second defined position, the first defined position and the second defined position being in line when the clamping device is coupled with the stacking device.

A system for deploying a payload from an aerial vehicle onto a target surface includes a flywheel-stabilized delivery device that is detachably couplable to the aerial vehicle. The delivery device includes an axle, a flywheel, and a payload holder. The delivery device may additionally include an attachment portion and a floatation device. The payload holder may be detachably coupled to the payload such that the delivery device detaches from payload upon impact at the target surface. The system may additionally include a release mechanism for detachably coupling the delivery device to the aerial vehicle. The release mechanism may include a flywheel driver, a receiver, and a dropper device. The release mechanism may be remotely controlled by an operator to release the delivery device from the aerial vehicle.

The invention discloses a quasi-zero stiffness vibration isolator based on coupling of an inerter and a connecting rod and a parameter design method, and belongs to the technical field of vibration isolators. The quasi-zero stiffness vibration isolator comprises a connecting rod structure, a spring assembly, an inerter, a vibration isolation plate and a mounting base, the connecting rod structure comprises four connecting rods with the same length; the spring assembly comprises a connecting spring and two supporting springs; the rod pieces AB, AC, A 'B' and A 'C' are connected through hinge joints; two ends of AA'are connected with the inerter through connecting springs which are horizontally arranged in parallel; two ends of CC'are fixed on the mounting base, and two ends of BB 'are fixedly hinged on the vibration isolation plate; the BC end and the B 'C' end are connected through a vertical supporting spring; the supporting spring provides positive rigidity in the vertical direction, the connecting spring provides negative rigidity, and the inertial container amplifies the equivalent mass of the vibration isolation target through inertia so as to reduce the resonance frequency. The vibration isolator achieves low force transmissibility and displacement transmissibility under low-frequency excitation, and the adaptability and stability of the vibration isolator are enhanced.

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 utility model discloses a flywheel structure with efficient heat dissipation, and belongs to the technical field of flywheel heat dissipation. The flywheel structure with the efficient heat dissipation function comprises a flywheel body and further comprises a flywheel shell, an air guide plate is arranged on the side face of the flywheel body, a weight reduction groove is formed in the other side face of the flywheel body, an air outlet is formed in the outer ring face of the flywheel body, and a first windward side is arranged on one side of the air guide plate. And a second windward side is arranged on the other side of the air deflector. In order to solve the problems that a flywheel is low in natural heat dissipation efficiency and prone to failure when the temperature in the flywheel is too high, cold air is released to one side of a flywheel body through a cold air duct, the cold air firstly penetrates through a heat dissipation channel to reach the other side of the flywheel body, an air guide plate guides the cold air into a clutch friction groove, and the cold air can absorb heat in the flywheel body in the heat dissipation channel; meanwhile, cold air can absorb heat in the clutch friction groove, and therefore the purpose of reducing the temperature in the flywheel body is achieved.

A gyroscopic roll stabilizer comprises a gimbal having a support frame and enclosure configured to maintain a below-ambient pressure, a flywheel assembly including a flywheel and flywheel shaft, one or more bearings for rotatably mounting the flywheel inside the enclosure, a motor for rotating the flywheel, and bearing cooling system for cooling the bearings supporting the flywheel. For smaller units, the bearing cooling system is effective to enable a flywheel with a moment of inertia less than 40,000 lb in2 to be accelerated at a rate of 5 rpm / s or greater. For larger units, the bearing cooling system is effective to enable a flywheel with a moment of inertia greater than 40,000 lb in2 to be accelerated at a rate of 2.5 rpm / s or greater.

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.

Disclosed are an internal magnetic control device, a flywheel assembly and a fitness equipment, wherein the flywheel assembly comprises a flywheel, an internal magnetic control device and a speed measuring device, wherein the internal magnetic control device comprises a housing unit, a driving unit, two swing arms and two sets of magnetic elements, wherein the driving unit is arranged at the housing unit; a pivoting end of each of the swing arms is rotatably mounted at the housing unit; a driven end of each of the swing arms is rotatably connected to the driving unit; the two sets of the magnetic elements are respectively arranged at each of the swing arms; wherein the flywheel is rotatably arranged around the internal magnetic control device, wherein the speed measuring device comprises a sensing element and an acting member.

The invention provides a flywheel energy storage device and system.The flywheel energy storage device comprises a shell, a flywheel, a liquid supply assembly and an air cushion protection assembly, the shell is provided with two protection cavities, and protection bearings are arranged in the protection cavities; the flywheel comprises a wheel disc and a rotating shaft which are connected, the two protection cavities are located at the two ends of the rotating shaft respectively, and the rotating shaft is connected with the protection bearing. The liquid supply assembly is provided with a liquid storage tank which is connected with the protection cavity; the air cushion protection assembly comprises multiple air bags and axial magnetic parts, the multiple air bags are arranged on the two axial sides of the wheel disc respectively, the axial magnetic parts and the air bags are arranged in a one-to-one correspondence mode, the axial magnetic parts are arranged in the air bags, the air bags have the inflation state and the deflation state, the air bags abut against the wheel disc in the inflation state, and the air bags abut against the wheel disc in the deflation state. A gap is arranged between the air bag and the wheel disc. According to the flywheel energy storage device and system disclosed by the invention, the vibration and collision risk of the flywheel can be remarkably reduced, and the stability and safety of operation are ensured.

The invention discloses a flywheel rotor mechanism based on phase change working medium cooling and a flywheel system. The flywheel rotor mechanism comprises a shell. The flywheel rotor is arranged in the shell, a storage cavity is formed in the end face of the flywheel rotor, and a liquid-gas phase change working medium is stored in the storage cavity; the heat dissipation device is arranged in the full-length direction of the flywheel rotor and communicates with the storage cavity, and the end of the heat dissipation device diffuses towards the periphery of the flywheel rotor; the cooling assembly is installed on the shell, and the end of the cooling assembly extends into the shell and faces the storage cavity; wherein heat generated by the flywheel rotor enables a liquid working medium in the storage cavity to be converted into a gaseous working medium, and the gaseous working medium flows into the heat dissipation device after being acted by the cooling assembly, so that the heat generated by the flywheel rotor can be taken away more quickly and efficiently, the temperature of the flywheel rotor is effectively reduced, and the problems of performance reduction, damage and the like caused by overheating are prevented; and stable operation of the flywheel rotor in a proper temperature range is ensured.

The invention discloses a damping-adjustable inerter shock absorber which comprises an inerter and a magneto-rheological shock absorber, the lower end of the inerter is connected with the upper end of the magneto-rheological shock absorber, the inerter comprises a ball screw (1) and a ball nut (2), and the magneto-rheological shock absorber comprises a base, an outer cylinder barrel (4), a piston (5) and a rotating barrel (6). The upper end of the rotating cylinder (6) is fixedly connected with the ball nut (2), the piston (5) and the outer cylinder barrel (4) are both fixedly arranged on the base, the lower end of the rotating cylinder (6) is connected with the outer cylinder barrel (4) in an inserted mode, the piston (5) is located in the rotating cylinder (6), and magnetorheological gel is filled among the outer cylinder barrel (4), the piston (5) and the rotating cylinder (6). The damper has the advantages of attenuating the vibration amplitude and accelerating the attenuation rate at the same time, and has a wide damping adjustable range.

The invention relates to the technical field of vibration control, and particularly provides an ultralow-frequency passive self-adaptive tuning vibration absorber based on a string-mass system, which comprises a mechanical sensing assembly, a mechanical driving assembly, a mechanical transmission assembly and a tuning vibration absorption assembly which are arranged on a target structure, the mechanical sensing assembly and the mechanical driving assembly are correspondingly arranged, and the mechanical sensing assembly is used for sensing vibration of a target structure and can generate relative movement; the mechanical driving assembly is connected with the mechanical transmission assembly, and the mechanical driving assembly drives the mechanical transmission assembly to work based on relative motion generated by the mechanical sensing assembly; the mechanical transmission assembly is connected with the tuning vibration absorption assembly. The vibration absorber is wide in application range, compared with an existing self-adaptive tuning vibration absorber, the vibration absorber has the advantages that external power supply driving is not needed, the structure is simple, ultralow-frequency vibration control can be achieved, and effective control over broadband even multi-order modal vibration is achieved through a pure mechanical structure.

The invention discloses a flywheel assembly with a power generation function. The flywheel assembly comprises an inner magnetic control device, a flywheel, an assembly shaft, a flange and a power generation device. The flywheel comprises a flywheel body and a conductor, the flywheel body is provided with a flywheel cavity and a flywheel center through hole communicated with the flywheel cavity, the conductor is fixedly arranged on the flywheel body and located in the flywheel cavity, and the assembly shaft penetrates through the device center through hole of the inner magnetic control device and the flywheel center through hole and can rotate relative to the assembly shaft. The flange is fixedly sleeved on one end part of the assembling shaft and is fixedly assembled on the inner magnetic control device, the inner magnetic control device is suspended in the flywheel cavity of the flywheel body, the power generation device comprises a coil unit and a magnet for power generation, the coil unit is kept still relative to the position of the assembling shaft, and the magnet for power generation is arranged on the inner magnetic control device. The magnet for power generation is arranged on the flywheel body, and the coil unit and the magnet for power generation are both located in the device center through hole.

A power transmission device includes an inertia ring, a plate, a plurality of first bolts, a torque transmission member, and a plurality of second bolts. The inertia ring has an annular shape. The inertia ring includes a plurality of through holes. The plurality of through holes are disposed at intervals in a circumferential direction. The plate is disposed on a first side with respect to the inertia ring in an axial direction. The plurality of first bolts are screwed into the plurality of through holes from the first side to fasten the plate to the inertia ring. The torque transmission member is disposed on a second side with respect to the inertia ring in the axial direction. The plurality of second bolts are screwed into the plurality of through holes from the second side to fasten the torque transmission member to the inertia ring.

The present invention relates to the technical field of fitness equipment, and specifically to a spinning bike, comprising a base and a frame. A pitch adjustment assembly is provided on the base, and the pitch adjustment assembly comprises a screw rod, a drive block, an adjustment connecting rod and a drive motor. The drive block is guided to slide by the screw rod, and the angle of the frame is adjusted by adjusting the connecting rod while the drive block slides. Before the screw rod rotates, positioning blocks installed on both sides of the drive block can be unlocked from the base, so that the force generated by the frame can be transmitted to the base through the adjustment connecting rod, the drive block and the positioning block, thereby avoiding direct transmission of the force to the screw rod and the motor used to drive the screw rod to rotate, thereby solving the problem that the force is completely transmitted to the angle adjustment drive during the existing frame angle adjustment.

The utility model relates to the technical field of automobile parts, in particular to a torsion limiting shock absorber which comprises a flexible disc, an end cover, a flywheel and a friction plate, a check block is arranged on the inner edge of the flywheel, the check block and the flywheel are of an integrated structure, the flywheel is connected with the end cover, after connection, a containing cavity is formed in the end cover, the flywheel and the check block, and the end cover is connected to the flywheel. The flexible disc and the friction plate are sequentially arranged in the containing cavity in a covering mode, the center of the friction plate is connected with the damping component, the disc spring is arranged in the center of the end cover, the disc spring and the end cover are of an integrated structure, and the end cover is attached to the flexible disc through the disc spring. The flexible disc and the friction plate are sequentially connected to the side, close to the flywheel check block, of the disc spring, so that the whole torsion limiting damper is convenient to install and produce, cost is reduced, and meanwhile when the power output end of an engine outputs power to the damping component, the friction effect is better, and power transmission is more stable.

The invention relates to the technical field of fitness equipment, in particular to a spinning which comprises a base and a frame, a pitching adjusting assembly is arranged on the base and comprises a lead screw, a driving block, an adjusting connecting rod and a driving motor, the lead screw guides the driving block to slide, and the adjusting connecting rod adjusts the angle of the frame while the driving block slides. Before the lead screw rotates, the positioning blocks installed on the two sides of the driving block can be unlocked from the base, so that the acting force generated by the frame can be transmitted to the base through the adjusting connecting rod, the driving block and the positioning blocks, and the acting force is prevented from being directly transmitted to the lead screw and a motor used for driving the lead screw to rotate; the problem that when the angle of an existing frame is adjusted, acting force can be completely transmitted to angle adjusting drive is solved.

The invention relates to a medical vehicle (1) comprising a base vehicle (2) and a compartment (3). The compartment (3) has a compartment chamber (5) and a medical imaging system (4) and is part of or attached to the base vehicle (2). The medical imaging system (4) comprises at least one rotating component (6). The medical vehicle (1) further comprises a counter-rotating device (7) having at least one rotor (8), where the counter-rotating device (7) is configured to be operated such that the sum of the angular momentum of the rotating component (s) (6) and the angular momentum of the counter-rotating device (7) is almost equal to or exactly equal to zero. The invention also relates to a base vehicle (2), a medical imaging system (4) and a method for operating the medical vehicle (1).

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.

Gearbox (18) with: an input element (32), wherein the input element (32) has a hollow tubular shape, an output element (40), wherein the output element (40) has a hollow tubular shape, and a torsion damper (22) comprising: a first member (310) having a first hub (318), a first outer portion (326), and a plurality of first spokes (410), the first hub (318) being non-rotatably coupled to the input member (32) for common rotation with the input member (32) about an axis (34), the first outer portion (326) being radially outward of the first hub (318), the first spokes (410) extending radially between the first hub (318) and the first outer portion (326), the first spokes (410) coupling the first outer portion (326) to the first hub (318), and a second member (314) having a second hub (342) and a second outer portion (350), the second hub (342) being non-rotatably coupled to the output member (40) for common rotation with the output member (40) about the axis (34), the second outer portion (350) being radially outward of the second hub (342) and fixedly coupled to the second hub (342) and to the first outer portion (326), the first and second hubs (318, 342) defining a central opening (354), and a first shaft (24) drivingly coupled to one of the input member (32) or the output member (40) for receiving torque from one of the input member (32) or the output member (40), the shaft being supported for rotation about the axis (34) relative to the input member (32) and the output member (40), the first shaft (24) being concentrically received in the input member and output member (32, 40).

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 utility model discloses a flywheel and a matching structure of a sealing disc gasket and a sealing ring, and belongs to the field of automobile flywheels. The flywheel and sealing disc gasket and sealing ring matching structure comprises the sealing ring, an installation groove is formed in the sealing ring, limiting grooves are formed in the periphery of the installation groove, the sealing disc gasket is arranged in the installation groove, a limiting block is arranged on the sealing disc gasket, and the sealing disc gasket and the sealing ring are matched through the limiting block. Rubber cushions are arranged at the two ends of the limiting block. The utility model solves the problems that the sealing butterfly pad and the sealing ring are propped together in the prior art, although the rotary limit is added to realize synchronous operation, the sealing butterfly pad still rubs with the inner wall of the sealing ring when rotating to the position of the rotary limit, so that lubricating oil needs to be injected, and the sealing effect is poor. However, as the contact between the traditional sealing butterfly gasket and the sealing ring is too tight, the lubricating oil is difficult to enter a contact gap between the sealing butterfly gasket and the sealing ring.

The utility model relates to a flywheel assembly of an integrated torque damping device. The flywheel assembly comprises a flywheel; the torque damper comprises a retaining plate and a coil spring, the retaining plate is provided with a first window for accommodating the coil spring, the radial outer end of the retaining plate is in anti-torque connection with the flywheel, and the radial inner end of the retaining plate is used for being in anti-torque connection with a crankshaft of an engine; the torque limiter comprises a slipping mechanism and a hub, the slipping mechanism is arranged on the radial inner side of the coil spring, and the hub is used for being connected with an input shaft of a transmission in an anti-torque mode. The flywheel of the integrated torque damping device is connected with the crankshaft of the engine as a whole, so that the assembly steps are reduced. The retaining plate integrates the functions of a retaining plate and a cover plate, the number of plates is reduced, and the axial space is optimized. The slipping mechanism is located on the radial inner side of the coil spring, so that the slipping mechanism is closer to the transmission side, overload torque transmitted from the transmission to the engine direction is limited, and the coil spring is prevented from being damaged by the overload torque.

Devices, systems, and methods are provided to treat tremor in a subject. Devices, systems and method may comprise a wearable based configured to be worn over at least a part of a joint of the subject; at least one flywheel-spring-damper system (FSD) comprising at least one housing configured to be coupled to the wearable base; and at least one flywheel configured to counteract tremor movements in the subject, wherein the flywheel-spring damper system is configured to be coupled to the wearable base. The tremor may be a tremor in an outer extremity, typically a hand, of a subject.

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.

This flywheel device includes: a first wheel comprising a ring gear on an outer peripheral part; and a second wheel comprising a second friction surface facing a first friction surface of the first wheel. The flywheel device has a starter motor that comprises a helical pinion that meshes with the ring gear, and starts and rotates the first wheel. The first wheel is movable between a fastening position at which the first friction surface and the second friction surface are in contact with each other, and a release position at which the first friction surface and the second friction surface are separated from each other. When starting an engine for rotationally driving the helical pinion, the first wheel is moved to the fastening position.