28results about How to "Improve long-term operational reliability" patented technology

The present application relates to the technical field of control cabinet, disclose a kind of double power supply false switching mechanism's dc MCC control cabinet with preventing, including cabinet, power switch A and power switch B are respectively fixedly connected in cabinet, power switch A and power switch B are all rotatably connected with latch handle, limit hole is all set up on the latch handle, two hollow connecting rods are located in the limit hole of power switch A and power switch B in same side, slidingly connected with support block in the communicating port of hollow connecting rod, support block is close to the side in hollow connecting rod and is all fixedly connected with inclined guide plate, the inner wall of hollow connecting rod is fixedly connected with limit spring close to one end of mounting base, one end of limit spring is fixedly connected with guide seat, guide groove is set up on the guide seat, and the number and position are all corresponding with each guide plate, this double power supply false switching mechanism's dc MCC control cabinet with preventing, avoid the problem that hollow connecting rod movement stroke is consumed and cannot drive latch handle to complete closing action in time due to the wear and tear of connecting portion.

The application discloses a pre-buried adjustable expansion depth expansion bolt assembly and belongs to the technical field of expansion bolts, which comprises a spring pad, a flat pad, a pre-buried sleeve, a hexagonal nut, an expansion sleeve, an expansion cone, an adjusting screw rod and a sealing end cover. In order to overcome the defects of the prior art, such as the damage to the concrete structure and the internal steel bars caused by the post-construction of the expansion bolt, the fixed and unadjustable expansion depth of the pre-buried anchor bolt, the jamming of the adjusting mechanism caused by the cement seepage due to the unreliable sealing of the plastic film during the pouring process, and the loosening of the anchoring force under long-term vibration, the application provides the pre-buried adjustable expansion depth expansion bolt assembly, so that the expansion depth of the expansion bolt on the market can be flexibly adjusted according to the actual wall thickness or the size of the decorative layer under the premise of pre-buried installation, the problems of the poor stability of the sealing end cover during the pouring process, the cement leakage caused by the poor stability of the sealing end cover, the single anchoring force between the expansion sleeve and the concrete and the insufficient long-term reliability of the expansion sleeve and the concrete are solved.

The invention discloses a transmission device of an electric control mechanism for an isolating switch, the transmission device comprises an isolating base, a transmission assembly and a locking assembly, when the transmission device is connected, a lifting moving block moves downwards, and a driving connecting rod and an insulating connecting rod drive a switch blade to rotate downwards to a horizontal state to realize circuit connection; in the process, the locking moving rod automatically moves towards the direction of the knife switch and completes limiting, and the knife switch is prevented from being turned upwards accidentally to be disconnected. During disconnection, the lifting moving block firstly moves downwards, the locking moving rod is driven by the moving sleeve to automatically release limiting, then the lifting moving block moves upwards, the knife switch is driven to rotate upwards to achieve disconnection, automatic locking during connection and automatic unlocking before disconnection are achieved through pure mechanical linkage, an electromagnetic lock or an electrical control element is not needed, electrical fault points are reduced, and the reliability of the device is improved. The reliability of long-term operation under severe working conditions is remarkably improved, accidental disconnection of the knife switch caused by vibration or misoperation is effectively prevented through mechanical limiting, and the stability of circuit connection and operation safety are guaranteed.

This invention discloses a compact prefabricated metal enclosed ring main unit, relating to the field of ring main unit technology. It solves the problems of existing technologies, such as difficulty in balancing heat dissipation and protection, inconvenient disassembly and maintenance, and high maintenance costs. The invention includes an outer protective cover; a ring main unit housed within the outer protective cover; an electric lifting cylinder fixedly mounted on the top surface of the outer protective cover, with its piston rod connected to the top surface of the ring main unit for driving the ring main unit to extend or retract into the outer protective cover; and a heat dissipation device comprising a curved heat dissipation pipe fixed within the outer protective cover and movably embedded in the bottom surface of the outer protective cover. Through the coordinated design of the lifting structure and the heat dissipation device, this invention achieves automatic heat dissipation during operation and protection during non-operational states. It features a compact structure, high heat dissipation efficiency, and good protective performance, making it suitable for compact outdoor power distribution scenarios.

This invention discloses a powder coating and its preparation method, belonging to the field of powder coating technology. The powder coating comprises a composite filler with a core-shell-whisker structure. The composite filler includes: a core layer, which is a one-dimensional inorganic thermally conductive material; an intermediate layer, which is composed of polydopamine and coated on the outer surface of the core layer; and an outer shell layer, which is composed of a reactive elastomer and chemically grafted onto the outer surface of the intermediate layer. This invention also discloses the preparation method of the powder coating and its application in electrical insulation components. By constructing a core-shell-whisker structure composite filler and using polydopamine as the intermediate layer to chemically graft reactive elastomer onto the surface of a one-dimensional inorganic thermally conductive material, this invention achieves a synergistic improvement in mechanical properties, thermal conductivity, and insulation properties, and endows the coating surface with self-healing scratches.

The utility model discloses a magnet pre-embedded integrated tripping arm and injection mold for it, can ensure the accurate positioning of magnet. Injection mold includes: first mold part has first side portion inner insert piece, second mold part has second side portion inner insert piece, first axial inner insert piece and second axial inner insert piece are coaxially arranged with first axial inner insert piece, and first axial inner insert piece and second axial inner insert piece form second cavity for accommodating magnet and shaping magnet support seat with first side portion inner insert piece and second side portion inner insert piece, wherein, one end of first axial inner insert piece forms coaxial positioning structure for engaging with axial end of magnet.

This invention belongs to the field of communication automation technology and discloses a method for implementing a high-reliability HBM bonding process. The invention covers the entire HBM bonding process from wafer pretreatment and precise bonding to post-processing stress control by constructing three core modules: precise pretreatment of the bonding surface, high-precision bonding of heterogeneous wafers, and dynamic stress control after bonding. Employing core technologies such as precise detection and repair of micro-defects on the bonding surface, sub-micron-level alignment of heterogeneous wafers, and dynamic calculation and compensation of bonding interface stress, it overcomes the industry bottlenecks of traditional HBM bonding processes, including "difficulty in controlling bonding surface defects, low alignment accuracy, and easy interface stress failure." It achieves high-cleanliness pretreatment of the HBM bonding surface, sub-micron-level precise bonding of heterogeneous wafers, and dynamic adaptation and control of interface stress after bonding, significantly improving the yield, interface bonding strength, and long-term operational reliability of HBM bonding, thus meeting the advanced packaging requirements of next-generation high-bandwidth memory chips.

This invention relates to the field of materials technology, and more particularly to a 3D-printed, internally hollowed-cone solar interface evaporator with directional salt deposition function, its preparation method, and its application. The invention includes step 1: three-dimensional model construction; step 2: substrate surface pretreatment and chemical activation; and step 3: hydrothermal preparation of a Co-Bi-S coating. This invention uses a 3D-printed porous, internally hollowed-cone resin device as a substrate, and grows a Co-Bi-S coating in situ on its surface using a hydrothermal method. This coating exhibits both excellent photothermal conversion performance and corrosion resistance. The evaporator structure is designed as a porous, internally hollowed-cone shape, which provides a larger evaporation area, stronger light capture and focusing capabilities, and can achieve higher evaporation temperatures and directional salt deposition effects. The prepared solar interface evaporator exhibits excellent photothermal conversion performance and water evaporation efficiency, and also demonstrates good structural stability and corrosion resistance. This solves the technical problems of low photothermal conversion efficiency and poor stability in high-salt environments inherent in traditional solar evaporators, making it suitable for applications such as seawater desalination.

The application relates to a device deployment and long-term self-maintenance method, device, computer equipment, computer readable storage medium and computer program product. The method comprises the following steps: obtaining a device running state, an installation relationship state, a calibration reference state and a reference archive state of a measuring device; determining an installation relationship parameter of the measuring device according to the installation relationship state, comparing the installation relationship parameter with a standard installation state of the measuring device, and obtaining a deployment health state of the measuring device; establishing a calibration reference archive of the measuring device according to the calibration reference state and the reference archive state; analyzing the device running state to obtain a component health state of the measuring device; performing device health self-maintenance or calibration maintenance on the measuring device according to the component health state, the deployment health state and the calibration reference archive, and outputting a maintenance action result. The application can improve the efficiency and accuracy of device maintenance.

The utility model belongs to solenoid valve field especially possesses the high frequency response solenoid valve of anti -blocking self -cleaning function, to the existing solenoid valve when conveying the fluid containing impurity (such as tap water, industrial medium etc.), impurity is easy to accumulate in the valve body, lead to the valve core jam, sealing surface wear or flow reduction, influence solenoid valve's performance and life, traditional solenoid valve lacks effective anti -blocking and self -cleaning function, needs to frequently disassemble and wash, and the maintenance cost is high problem, present and propose following scheme, it includes solenoid valve main part and connecting pipe, the both ends of solenoid valve main part are import and export respectively, through processing mechanism can intercept the particulate matter in fluid, impurity, reduce the impurity from the source into solenoid valve main part inside, avoid the valve core jam, sealing surface wear or flow channel block, prolong the service life of solenoid valve, through the inlet pipe and the discharge pipe access external flushing water source, can reverse flushing to filter screen, carry out self -cleaning, need not to disassemble.

The application relates to the field of bridge support monitoring, in particular to an intelligent monitoring bridge support system. The intelligent monitoring bridge support system comprises a pot support body, a mechanical displacement monitoring assembly and a multistage vibration sensing unit. The pot support body comprises an upper plate, a spherical crown lining plate and a bottom plate, wherein the upper plate is bolted to a bridge beam body, and the bottom plate is fixed to a pier base through an anchoring piece. At least one set of telescopic guide rods is installed at the outer edge of the bottom plate, and the outer ends of the guide rods are connected to displacement reflection plates through polyurethane buffer pads; a reference platform is arranged on the corresponding upper plate, and the reference platform is in contact with the displacement reflection plates. The support system combines multistage vibration sensing and optical displacement monitoring structures, thereby simplifying the hardware configuration and reducing the overall cost.

The application relates to the technical field of modular cabin temperature control, and discloses an integrated thermal management system for a modular steel cabin and a control method thereof, the system comprising a main refrigerant circuit, a human cabin water circulation circuit, a plate heat exchanger coupling the two, a fluorine path electromagnetic valve arranged on a refrigerant pipeline leading to the plate heat exchanger, and an intelligent controller, the core of which is that the intelligent controller is configured to, when the system is in a refrigeration mode and it is judged that the human cabin temperature demand has been met while the equipment cabin has a heat dissipation demand, execute cooperative control: keeping the compressor in the main refrigerant circuit running while closing the fluorine path electromagnetic valve. Through the above-mentioned cooperative control logic, the refrigeration capacity is dynamically transferred from the human cabin which has met the demand to the equipment cabin, the compressor is prevented from frequently starting and stopping, the energy utilization efficiency and system operation stability are significantly improved on the basis of not increasing the hardware cost, and the system structure is simplified.

The application discloses a spring operating mechanism and method for a circuit breaker, and belongs to the technical field of circuit breakers, which comprises a clamp plate type frame, an energy storage to position clutch, a closing holding and a manual closing soft interlocking device, the clamp plate type frame is fixedly connected by opposite first and second side plates through a supporting piece; an energy storage motor of an energy storage transmission device is connected with an energy storage shaft through a transmission assembly, a cam is arranged on the shaft, and an energy storage holding buckle is arranged; the energy storage to position clutch device is a one-way clutch assembly connecting the transmission assembly and the energy storage shaft; the closing holding device comprises a hinged opening release assembly, a reset elastic piece and a linked output shaft; the manual closing soft interlocking device comprises a sliding manual operating assembly, a closing trigger piece and an interlocking assembly, and is matched with the energy storage holding buckle; the problems of the existing spring operating mechanism for the circuit breaker, such as the reliability, structure, cost or precision related defects of the energy storage clutch device, the manual closing mechanical interlocking, the closing holding structure and the modular mechanism cooperation are solved.

The invention provides an E2400 electrically-driven precision seeding operation monitoring terminal, and relates to the field of medical apparatuses and instruments. The terminal adopts a five-layer architecture of'perception-control-execution-interaction-cloud platform ', the core innovation lies in that traditional mechanical transmission and land wheel speed measurement are abandoned, a Beidou satellite positioning speed measurement unit and a millimeter wave speed measurement radar are integrated to form double speed measurement sources, and non-contact accurate speed measurement is realized; 24 rows of seeding and fertilizing execution mechanisms are driven in an electric-direct-drive mode, and sensors such as a seed induction grating and a fertilizing probe are matched to construct a whole-process real-time monitoring and intelligent alarm system. The speed measurement precision reaches the centimeter level, the miss-seeding / re-seeding recognition precision is larger than or equal to 99.5%, the plant spacing deviation is smaller than or equal to + / -3%, the seed and fertilizer saving rate is 10%-15%, the maintenance cost is reduced by 60% or above, the operation efficiency is improved by 30%, the method is suitable for scenes such as large-scale planting bases and agricultural synergy, and the precision, intelligence and universality of seeding operation are remarkably improved.

The invention relates to the technical field of aero-engines, in particular to an integrated pre-cooling device. Comprising a pre-cooling mechanism, a heat dissipation mechanism and an electromagnetic driving mechanism, the pre-cooling mechanism comprises a fluid channel and a first heat exchange channel, first fluid can circulate in the fluid channel, and second fluid can circulate in the first heat exchange channel; the heat dissipation mechanism comprises a heat dissipation inner cavity and a second heat exchange channel, third fluid can circulate in the heat dissipation inner cavity, and the first heat exchange channel communicates with the second heat exchange channel; the electromagnetic driving mechanism comprises an electric driving assembly and a magnetic driving assembly, the electric driving assembly can conduct current in the second fluid, the magnetic driving assembly is used for generating a magnetic field perpendicular to the second heat exchange channel, and the current and the magnetic field interact to drive the second fluid to flow; the second fluid and the third fluid can exchange heat, and the second fluid can continuously exchange heat with the first fluid. Therefore, the second fluid is directly driven to circulate, the reuse of heat exchange and pumping functions is realized, and reliable circulating driving of large-flow liquid metal in a limited space is guaranteed.

The application discloses a machine room stand column foundation integrated intelligent high-speed expansion type portal system, and belongs to the field of traffic engineering and its auxiliary facilities. The system comprises: a monolithic reinforced concrete foundation unit which integrally connects a stand column load-bearing area and a machine room supporting area; a multifunctional integrated stand column unit which is vertically fixed to the foundation unit, and is internally provided with a strong current transmission channel, a weak current signal channel and a vertical ventilation pipeline, and is provided with an electromagnetic shielding structure between the strong and weak current channels; an embedded environment control machine room unit which is arranged in the machine room supporting area of the foundation unit, and has a side wall which is co-constructed with a lower pipe wall of the stand column; and a modular expansion type cross beam unit which is formed by axially splicing a main beam section and an expansion beam section, and horizontally spans above a road surface. Through the three-in-one co-constructed design, the road side space utilization rate and the structural stability are improved, and the system has flexible expansion capability and intelligent operation and maintenance functions.

This invention relates to the field of motor design and manufacturing technology, and provides a motor structure that solves the problems of poor heat dissipation and easy local overheating in the end windings. The motor structure includes a stator core and windings. The windings include a winding slot portion assembled within a stator core slot and a winding end portion extending beyond the end face of the stator core. The cross-sectional width W of the winding end portion is... end The cross-sectional width W of the portion inside the winding slot is greater than the width of the winding slot. slot And W end >W end,min W end,min This refers to the minimum cross-sectional width of the end winding, determined based on the target temperature difference constraint between the end winding and the slot winding. This invention achieves axial temperature uniformity of the winding without adding a cooling system, eliminating localized hot spots and improving power density and insulation life.

This invention belongs to the field of strain gauge sensors and discloses an online fault detection system and method for a strain gauge bridge based on BIT. The invention comprises a full-bridge strain gauge, a constant current excitation unit, a multiplexing unit, a signal acquisition unit, and a processing and analysis unit. The constant current excitation unit outputs a fault detection current to the target bridge arm resistor, and the multiplexing unit switches the conduction path of the fault detection current in different bridge arm resistors, allowing the fault detection current to flow directionally through the target bridge arm resistor. Simultaneously, the signal acquisition unit acquires the dynamic response signal of the bridge circuit generated by the target bridge arm resistor under the action of the fault detection current in real time. The processing and analysis unit sequentially controls the four bridge arm resistors to poll and detect faults, thereby achieving online automatic detection and precise location of latent faults in the four bridge arm resistors of the strain gauge bridge without affecting the normal measurement function of the strain gauge bridge.

The invention provides a stator welding system and method with a tensioning function, and relates to the technical field of motor manufacturing, the system comprises a squirrel cage tensioning jig, a rotary driving mechanism, a lifting mechanism, an upper pressure head mechanism and a welding dust removal unit, according to the squirrel cage tensioning jig, arc-shaped tensioning modules distributed in the circumferential direction are synchronously driven by a driving module to move in the radial direction, a stator formed by splicing split iron cores is actively tensioned from the outer side, and the stator preforming function and the welding positioning function are integrated. Automatic feeding and discharging, tensioning, rotary welding and dust removal of the stator are achieved, the problems that a traditional welding mode is high in product tolerance requirement, tedious in procedure, poor in dust removal effect, prone to pipeline winding and the like are effectively solved, production efficiency and welding quality are remarkably improved, and compatibility of stators of different sizes is enhanced.

The utility model discloses a surface moisture -resistant treatment device of cold chain transportation packaging carton relates to surface moisture -resistant treatment device technical field, the surface moisture -resistant treatment device of cold chain transportation packaging carton includes the support air -dry mechanism, and the paper box conveying device is installed on the support air -dry mechanism upper end, the moisture -resistant treatment device is installed on the paper box conveying device, the utility model discloses, when using, the upper spray head pipeline, side spray head pipeline, lower spray head pipeline cooperate rectangular array atomizing spray head, and the surface of paper box is covered from multidimensional, and the moisture -resistant liquid is evenly sprayed, and the problem that uneven processing of manual or simple equipment is solved, and the consistency of paper box moisture -resistant performance is guaranteed.

This invention proposes a monolithically integrated microwave radiation system based on an optically triggered switch and its fabrication method, belonging to the field of high-power microwave technology. The system includes a driver wafer and a device wafer bonded together. The device wafer uses cubic boron nitride or hexagonal boron nitride as a substrate, on which a heterojunction optically triggered switch, a monolithic microwave integrated circuit, and a monitoring and protection module are integrated. The optically triggered switch is vertically integrated on the side of the monolithic microwave integrated circuit. Under the excitation of the optical pulse output from the driver wafer, it generates an electrical trigger signal, which is amplified by the monolithic microwave integrated circuit and outputs a microwave signal. This invention, through the synergistic design of an ultra-wide bandgap semiconductor substrate, a two-dimensional material heterojunction, three-dimensional integration technology, and full-dimensional on-chip monitoring, achieves chip integration from optical triggering, microwave amplification to intelligent protection on a nitride-based substrate, significantly improving power density, response speed, operating frequency, and reliability.

This invention relates to the field of mechanical seal technology, specifically to a double-end-face split mechanical seal, comprising a split upper flange, a lower flange, an intermediate shell, a transmission seat, a medium moving ring, a medium stationary ring, an atmospheric moving ring, and an atmospheric stationary ring. The transmission seat is fixed on a rotating shaft, and the intermediate shell is sleeved on the outside of the transmission seat. The upper and lower flanges are respectively connected to both ends of the intermediate shell. The atmospheric stationary ring is installed with the upper flange, and the medium stationary ring is installed with the lower flange. The medium moving ring and the atmospheric moving ring are axially connected to both sides of the transmission seat, and a space is left between them to accommodate an elastic element to provide axial clamping force for the moving ring, pushing the moving ring to fit against the end face of the corresponding stationary ring to form a double-end-face sealing pair. The intermediate shell, upper flange, lower flange, and double-end-face sealing pair together form a sealing cavity. At least one of the intermediate shell, upper flange, and lower flange has a fluid interface communicating with the sealing cavity. This mechanical seal has a simple structure and is easy to install.

The utility model provides a kind of range extender system.The range extender system includes: engine, including engine body, flywheel, flywheel shell and pivot, flywheel shell cover is set in flywheel outside;Generator, including casing, stator part, rotor part and support, stator part is fixed in casing, rotor part is set on support, to rotate with support relative to stator part;Wherein, casing is connected with engine body by flywheel shell, support is connected with pivot by flywheel.The utility model effectively solves the problem that the mode that engine and generator are connected by coupling in prior art not only influences the operation reliability of range extender system, but also leads to the problem that the volume and weight of range extender system are relatively large.

This invention belongs to the field of semiconductor equipment technology and provides a semiconductor resin vibration powder dispensing device, including a powder dispensing mechanism, a vibration mechanism, and a support mechanism. The vibration mechanism includes a connecting seat for mounting the powder dispensing mechanism, a vibrator fixedly connected to the connecting seat, a protective cover located on the side of the vibrator away from the connecting seat and elastically connected to the vibrator, a weighing sensor installed inside the protective cover for acquiring the weight information of the material within the powder dispensing mechanism, and a mounting base fixedly connected to the end of the protective cover away from the vibrator and to the support mechanism at the end opposite to the vibrator. The powder dispensing mechanism and the vibration mechanism of this invention cooperate, utilizing the vibration generated by the vibrator to act on the powder dispensing mechanism, causing the resin powder to be evenly spread and stably conveyed under vibration, avoiding local accumulation or gaps, thereby ensuring uniform distribution of resin on the mold surface, significantly improving the consistency of the molded body thickness, and reducing molding defects caused by uneven powder dispensing.

The utility model discloses a high temperature downhole power supply device, including output interface, upper shell, lower shell, main drive power supply, spare drive power supply, control board power supply, main control board, drive board, single core cable input interface, main drive power supply, spare drive power supply all are arranged in the middle of upper shell and lower shell, single core cable input interface electricity is connected control board power supply, and power supply supplies power to main control board, and main control board controls drive board drive, and drive board controls the switch of main drive power supply, spare drive power supply respectively. The utility model discloses dual power module parallel operation and possesses the redundancy switching function, eliminates the single point failure risk, sets up main control unit, real -time monitoring battery voltage, current, temperature, prevents overcharge, overdischarge, overcurrent, short circuit, effectively overcomes the performance degradation and failure risk under the severe working condition such as high temperature, high pressure and strong vibration.

The application discloses a kind of unmanned plane meteorological data measurement and processing method, belong to meteorological detection and unmanned plane application technical field.The method is aimed at the problem that the measurement is inaccurate due to the dynamic interference of unmanned plane platform itself, by real-time acquisition unmanned plane's attitude, speed, rotor speed and installation parameter, the original wind speed and direction data are carried out dynamic compensation calculation based on polynomial model;At the same time, the dual-redundancy sensor data are fused and fault judged, and a lightweight AI model is introduced for real-time anomaly detection.All steps are executed in parallel on the FreeRTOS real-time operating system.The application effectively decouples the coupling interference of unmanned plane platform on meteorological measurement, significantly improves the measurement accuracy and data reliability, and realizes high-precision meteorological observation comparable to fixed station in complex flight environment.

The utility model discloses a kind of CSP lamp bead packaging structures of embedded coplanar welding.The packaging structure includes metal substrate and LED chip with first, second electrode.The core is, metal substrate and electrode have mutually adapted three-dimensional geometry configuration, and they form docking structure, so that electrode bottom surface and metal substrate bottom surface jointly form a wide coplanar welding plane.The utility model realizes the self-alignment and pre-welding mechanical locking of chip by three-dimensional docking structure, solves the existing tiny CSP chip mounting difficulty, the problem of low yield;And through the coplanar welding plane formed, fundamentally solve the problem of insufficient welding area, poor reliability, while optimizing heat dissipation performance.

The invention discloses an active and passive vibration damping device based on a piezoelectric actuator and a control method thereof, and aims to solve the problems that resonance is easy to occur and the vibration damping performance is obviously influenced by working conditions in the existing passive vibration damping method of a multi-rotor unmanned aerial vehicle, and the active vibration damping method is high in actuator stroke and energy consumption requirements, sensitive to system model errors and parameter drift and low in vibration damping performance. Therefore, the problem that the airborne camera of the multi-rotor unmanned aerial vehicle still has imaging blurring is solved. An upper platform of the device is connected with an unmanned aerial vehicle, the upper platform, a load platform, a piezoelectric actuator, a lower platform and airborne imaging equipment are coaxial from top to bottom, a spring assembly is connected with the upper platform and the lower platform, and the load platform penetrates through the lower platform through a plurality of connecting rods to be connected with connecting pieces of the airborne imaging equipment. And the multiple groups of spring assemblies and the multiple connecting rods are distributed around the piezoelectric actuator. According to the method, the piezoelectric actuator outputs reverse correction force according to the absolute acceleration of the device and the absolute acceleration of the load platform, and vibration reduction is achieved in combination with the spring assembly. The invention belongs to the technical field of vibration reduction.