596results 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 invention relates to a method for adjusting the slip torque of a slip clutch (1) for a motor vehicle (2), wherein the slip clutch comprises at least one friction disc (3) as an input part (4) and at least one first clamping disc (5) and a second clamping disc (6) as an output part (7), wherein the input part (4) and the output part (7) have a common axis of rotation (8); wherein the friction disc (3) is arranged along the axis of rotation (8) between the clamping discs (5, 6) and is only frictionally connected to the clamping discs (5, 6) relative to a circumferential direction (9); wherein the first clamping disc (5) has a plurality of first openings (10) distributed along the circumferential direction (9) and the second clamping disc (6) has a plurality of second openings (11) distributed along the circumferential direction (9), wherein the first openings (10) are offset relative to the second openings (11) in the circumferential direction (9).The invention further relates to a slip clutch (1) and a drive train (27).

The utility model relates to the technical field of flywheel panels, and discloses a flywheel panel structure which comprises a flywheel panel body, the whole flywheel panel body is of a circular structure, a groove installation groove, a connecting shaft and an installation through hole are formed in the flywheel panel body, and a flywheel gear ring is installed on the outer side wall of the flywheel panel body. A plurality of externally-added blades and a plurality of heat dissipation fins are fixedly connected to the side wall face of the flywheel disc body. According to the flywheel disc, the blades are additionally arranged, the heat dissipation wind speed can be increased, too large operation burden cannot be caused to the flywheel disc body, meanwhile, the blades are matched with the heat dissipation fins on the flywheel disc body, due to the fact that the heat dissipation fins are of an annular structure, a plurality of air channels for air circulation can be formed, air flowing is promoted, and heat dissipation efficiency is improved. According to the flywheel panel, the heat dissipation effect of the flywheel panel body is better, the performance and reliability of a transmission system are prevented from being affected, heat dissipation of the side wall face of the flywheel panel body is faster through cooperation of the heat dissipation air channels and the heat dissipation columns, and the auxiliary heat dissipation effect is achieved.

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.

The present invention relates to the field of mechanical technology, and discloses a dual-mass flywheel, including a torsional vibration damper, a second flywheel and a first flywheel, wherein the torsional vibration damper comprises: a vibration damper body, including an outer ring and an inner ring, wherein the outer ring and the inner ring are respectively connected to the second flywheel and the first flywheel rotating coaxially; a tension pin group, including two tension pin units, wherein the two tension pin units are respectively located on the outer ring and the inner ring; a cable, which is fixed and close to the tension pin group, and the cable is radially distributed along the vibration damper body. The first flywheel of the present invention serves as a power input end, and the second flywheel serves as a power output end, and the torque loaded from the power input end is transmitted to the power output end through the tension pin group and the cable. The present invention has a simple structure, less wear, long service life, low requirements on springs, and reduced cost. With the increase of the torque at the power input end, the torsional stiffness of the present invention also increases positively and continuously, and the vibration reduction effect is enhanced.

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 flywheel front cover and a flywheel rear cover are buckled to form a vacuum spherical shell, front-end electromagnetic poles are evenly distributed on the inner side of the flywheel front cover, rear-end electromagnetic poles are evenly distributed on the inner side of the flywheel rear cover, permanent magnet magnetic poles are evenly distributed on an outer hub of a flywheel, and permanent magnet magnetic poles are evenly distributed on an inner hub of the flywheel rear cover. When a ship jolts and shakes due to the influence of storm waves or ocean currents, the flywheel rotates at a high speed in the vacuum spherical shell in the left-right direction of the flywheel shaft, large rotational inertia is generated when the flywheel rotates at the high speed, and through energy transmission of the right side supporting damping cylinder, the left side supporting damping cylinder, the right side supporting damping cylinder rod and the left side supporting damping cylinder rod, the flywheel can rotate at the high speed. The energy for driving the vacuum spherical shell to swing left and right and horizontally is consumed, so that the rolling amplitude and frequency of the ship are greatly reduced, the course stability is improved, and the rolling amplitude and frequency of the ship can be reduced.

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 belongs to the technical field of generators, and particularly relates to a split type gasoline engine generator flywheel which comprises a flywheel body, a rear ring is integrally formed on the periphery of the outer portion of the rear end of the flywheel body, a plurality of first through holes are formed in the rear ring, and fixed sleeves are fixedly connected to the middle positions of the two sides of the rear end of the flywheel body. A limiting clamping block is movably connected into the fixed sleeve, a lifting and pressing block is fixedly connected to the upper end of the limiting clamping block, and a spring is fixedly connected between the bottom of the rear end of the lifting and pressing block and the upper end of the fixed sleeve. A gear ring is connected to the middle of the periphery of the outer portion of the flywheel body in a sleeved mode, and a plurality of second through holes are formed in the gear ring. According to the flywheel, the gear ring on the flywheel body is designed in a split and detachable mode, the gear ring can be detached and replaced independently, the cost of overall replacement of the flywheel can be reduced, and the gear ring is easy and convenient to disassemble and assemble, saves labor and is convenient and fast to use.

The invention discloses an electromagnetic type semi-active three-mass flywheel damping device and a control method. The system comprises a DMF (Dimethyl Formamide) consisting of a dual-mass flywheel assembly and a second mass flywheel, and an eddy current damper arranged in the DMF, the eddy current damper covers the second mass flywheel; the eddy current damper is used for generating eddy current damping around the second mass flywheel; the eddy current damper weakens or eliminates torsional vibration transmitted to the second mass flywheel by the dual mass flywheel assembly through eddy current damping; the advantages of a dual-mass flywheel and an eddy current damper can be innovatively combined, the dual-mass flywheel is upgraded into a semi-active shock absorber, the damping force is indirectly controlled by adjusting electromagnetic current, the problems that a traditional DMF shock absorption working principle is single, and the frequency band is narrow are solved, the more ideal shock absorption effect is achieved, the shock absorption effect is flexible and controllable, and the shock absorption effect is good. The defects in the prior art are overcome, and the method has high application value.

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 inerter flywheel comprises a wheel disc and a plurality of rotors, and the wheel disc comprises a plurality of guide rails in one-to-one correspondence with the rotors; the guide rails are annularly distributed at equal intervals, and the length direction of each guide rail is parallel to the radial direction; the rotors are connected to the corresponding guide rails in a sliding mode, and an extension spring is connected between every two adjacent rotors. When the rotating speed of the wheel disc changes, all the rotors move in the direction of the corresponding guide rails, meanwhile, the extension springs conduct collaborative deformation with approximately equal deformation, and therefore the dynamic characteristics and rotational inertia of the inerter flywheel are changed through collaborative regulation and control of the rigidity of the extension springs. The device is applied to the field of flywheel type inerter vibration regulation and control, the positions of the rotors are regulated and controlled through cooperative deformation of the multiple extension springs, the dynamic characteristics and rotational inertia of inerter flywheels are changed through cooperative regulation and control of the rigidity of the extension springs, synchronization of the positions of the multiple rotors is effectively achieved, and a good control rule is kept.

The invention discloses an adjustable inerter based on differential transmission and a control method. The adjustable inerter comprises a shell, an electromagnetic clutch arranged in the shell, a flywheel connected with the electromagnetic clutch, an output bevel gear connected with the flywheel, planetary bevel gears arranged on the two sides of the output bevel gear and connected with the output bevel gear in a meshed mode, an input bevel gear connected with the planetary bevel gears in a meshed mode and a lead screw connected with the input bevel gear. A rotor shell is arranged on the outer side of the input bevel gear, a rotor gear shaft is arranged between the planetary bevel gears on the two sides, the two ends of the rotor gear shaft are installed in the rotor shell, a rotor magnet is arranged on the outer side of the rotor shell, and a rotor magnet is arranged on the outer side of the rotor magnet. A stator winding is fixedly arranged in the shell corresponding to the rotor magnet; fixed lifting lugs are arranged at the upper end of the shell and the lower end of the lead screw nut; the method has the beneficial effect that different requirements of a quasi-zero stiffness inerter control strategy on the inertia force of the suspension are met.

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.

To provide a flexible fly wheel capable of suppressing warpage caused by centrifugal force, in addition to a vibration damping effect by bending of an elastic plate and a friction damping effect by frictional resistance.SOLUTION: A flexible fly wheel includes: a fly wheel main body 20; and a frictional plate 30 disposed on an end portion of a crank shaft via the fly wheel main body 20. The fly wheel main body 20 includes; an elastic spoke 22 for damping vibration by its bending; an inertia mass 23 disposed on an outer peripheral portion of the elastic spoke 22; and a plate receiving portion 24 having a surface 24c disposed at a front surface side with respect to the elastic spoke 22. The frictional plate 30 includes a flange 32 to be kept into contact with a surface 24c of the plate receiving portion 24 in a case where it is disposed on the end portion of the crank shaft with the fly wheel main body 20.SELECTED DRAWING: Figure 3

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 discloses a flywheel capable of improving wind resistance, and relates to the field of driving structures, the flywheel comprises a flywheel main body, and the flywheel main body is rotatable; the number of the blocking parts is at least one, and the blocking parts are fixed to the flywheel body and used for improving wind resistance. The utility model has the effect of prolonging the service life of the element.

The invention provides a novel dual-mass flywheel magnetic induction type semi-active torsion damper. The novel dual-mass flywheel magnetic induction type semi-active torsion damper comprises a first rotating inertia assembly, a second rotating inertia assembly and a magnetic induction adjusting mechanism. The magnetic induction adjusting mechanism is located on the right side of the second rotation inertia assembly and is composed of an arc-shaped lever mechanism, a spring reset mechanism, a shifting fork lever mechanism and a lead screw nut mechanism. A screw rod nut mechanism is driven by a servo motor in the adjusting mechanism, so that spiral transmission can be realized; therefore, the shifting fork lever mechanism can push the arc-shaped lever mechanism to control the axial distance between the permanent magnets, the spring reset mechanism can enable the permanent magnets to return to the initial position, and the result of controlling the damping force is achieved. The structure is easy to disassemble, the structure is compact, and the purpose of vibration reduction can be achieved.

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.