50 results about "Elastic energy" patented technology

The utility model discloses wind power compensation device based on elastic energy storage technology, including support frame and first motor, first motor is installed on support frame, still include support casing, energy storage mechanism, power generation mechanism and intercommunication mechanism, support frame one side is provided with a plurality of support casing, energy storage mechanism sets up in support casing, is used to carry out energy storage to electric power, power generation mechanism sets up in a side of a plurality of support casing, is used to release the electric power after energy storage, intercommunication mechanism sets up between first motor and energy storage mechanism, is used to with the mechanical energy of first motor output is transported to energy storage mechanism, this wind power compensation device based on elastic energy storage technology is used to solve the problem that the wind energy resource is difficult to stabilize in prior art in the background art and influences the stability of electric power system.

The application relates to a piezoelectric stick-slip driver based on critical release of elastic potential energy and a driving method thereof, and belongs to the technical field of precise driving and micro-displacement control. The driver comprises a piezoelectric flexible stator, a pre-tightening mechanism, a fixed base, a rotor and a balance loading mechanism; the piezoelectric flexible stator comprises a piezoelectric stack, a rhombic displacement amplification mechanism, a lever-type displacement amplification mechanism, an elastic energy storage unit and an elastic driving foot. In the voltage slow-rising stage, the output displacement of the piezoelectric stack is amplified through the multi-stage displacement amplification mechanism to drive the rotor to generate a first positive angular displacement, and meanwhile, the elastic energy storage rod is subjected to recoverable elastic deformation and stores elastic potential energy; in the voltage rapid-decreasing stage, the elastic energy storage unit releases the elastic potential energy through the coupling effect of axial recovery and rotary recovery to make the rotor generate an instantaneous additional positive angular displacement. The application can realize the superimposed output of the first positive angular displacement and the instantaneous additional positive angular displacement, and improve the single-cycle effective step distance and the output efficiency.

The present application belongs to the technical field of anti-collision wall, and particularly relates to an energy-absorbing assembled anti-collision wall and a mounting method thereof. The anti-collision wall comprises a base, a wall body slidingly connected to the base, an elastic energy-absorbing assembly arranged on a collision surface of the wall body, a damping energy-dissipating assembly connecting the base and the wall body, and a climbing-preventing intercepting assembly integrated in the wall body. The system is equipped with a multi-source data acquisition and processing assembly, and through spatiotemporal data fusion of far-field radar prediction and near-field contact sensing, an impact feature vector is constructed and a hierarchical control instruction is generated. In operation, for low-energy-level impact, the elastic assembly is used for resetting and energy absorption; for medium and high-energy-level impact, the wall body is controlled to slide, and the kinetic energy is dissipated through the variable-damping mechanism of the damping energy-dissipating assembly; and for high-risk climbing danger, the climbing-preventing intercepting assembly is driven to instantaneously expand and lock. The present application effectively solves the problems that the traditional guardrail cannot simultaneously consider buffering and rigid blocking, and the large vehicle climbing interception fails.

A kind of wind tunnel model launching test system and test method belong to model wind tunnel dynamic test technical field.Solve the problem that cannot give consideration to gravity launching and with initial velocity launching function in prior art.Technical points: tail brace bending knife is arranged on wind tunnel test section, tail brace transmission is arranged on tail brace bending knife, test model and tail brace transmission are connected by tail brace support rod, the top of launching model is fixedly connected with test model, binocular vision position measuring system is arranged outside wind tunnel test section;elastic energy-absorbing protective pad is arranged on the wall of wind tunnel test section, blocking protection net is arranged behind tail brace bending knife.The present application realizes the switching of force direction and the adjustment of launching speed by electromagnetic control, and the launching action is responsive and controllable, and the high-speed camera is used to record the time sequence curve of the position and posture of the launching model, to provide complete and accurate dynamic data support for wind tunnel test.

The application provides an elastic load bearing device, which comprises a first connecting body, a first accommodating chamber arranged in the first connecting body, a first opening arranged on the first connecting body and communicating with the first accommodating chamber, a second connecting body, a second accommodating chamber arranged in the second connecting body, a second opening and a third opening arranged on the second connecting body and communicating with the second accommodating space, and the second opening and the third opening are oppositely arranged, a connecting assembly, the first accommodating chamber and the second accommodating chamber are embedded through the first opening and the second opening, so that the first connecting body and the second connecting body are connected through the connecting assembly, and a buffer assembly is slidably arranged in the second accommodating chamber and can be extended and retracted on the second connecting body in a sliding mode through the third opening, wherein when the buffer assembly slides in a direction away from the first connecting body, elastic energy can be stored between the buffer assembly and the second connecting body, so that a buffer force is formed, and the technical problem that the existing load bearing hanger lacks a buffer function is solved.

This application relates to the field of children's footwear technology, providing a multi-layered anti-collision children's shoe, comprising a sole and an upper, the upper being connected to the sole; an anti-collision module is provided at the front end of the upper, the anti-collision module comprising, from the outside to the inside, an interconnected rigid protective layer, an elastic energy-absorbing layer, and a dynamic bonding layer. This application has the effect of reducing damage to children's shoe anti-collision design and providing more effective protection for children's feet.

This invention provides a displacement-amplified energy-dissipating vibration damping device for bridges, relating to the technical field of bridge vibration damping equipment. A base structure is slidably connected to a slider structure along a first direction. A connecting steel arm structure is used to connect to the main beam, and includes a first gear and a second gear coaxially connected. The first gear meshes with the base structure; the second gear meshes with the slider structure, so that when the connecting steel arm structure moves relative to the base structure along the first direction, the slider structure moves in the same direction as the connecting steel arm structure. The energy-dissipating structure includes a pin and two sets of elastic energy-dissipating components connected by the pin. The base structure limits the movement of the two sets of elastic energy-dissipating components along the first direction. This invention alleviates the technical problem in the prior art where limited relative displacement makes it difficult to fully dissipate seismic input energy, thus restricting the working efficiency and energy dissipation effect of the vibration damping device, leading to significant damage to bridges and traffic disruption.

This invention discloses a wire winding device with a swing arm guide structure and its winding method, belonging to the technical field of winding devices. This invention constructs a three-section swing arm guide structure along the winding path—entry positioning, intermediate pre-tensioning, and exit width limiting—to collaboratively solve the problems of slack rebound and interlayer skipping during the winding of low-rigidity paper rope from three dimensions: path constraint, tension stability, and arrangement accuracy. By forming an enclosed structure with evenly distributed arc-shaped abutment plates around the circumference of the detection ring, and utilizing the essential difference in radial hardness between the moisture-absorbing expansion section and the knotted defect section, the system's equivalent stiffness is designed between the two, achieving automatic identification of flexible over-diameter release and rigid defect triggering. Through dual elastic energy storage elements, the work done during the process of the arc-shaped abutment plates being pushed open is converted into potential energy for temporary storage. This energy is released at the instant the defect section detaches, driving the marker head to eject and complete pigment transfer, achieving temporal self-coupling of detection and marking without sensor intervention, and the marker position is naturally synchronized with the defect section.

This invention belongs to the field of electrical technology, specifically disclosing an automatic door opening device for a dishwasher and the dishwasher itself. The automatic door opening device includes a housing, an elastic energy storage component, and a pushing component. The elastic energy storage component can store or release potential energy; the pushing component is movably disposed within the housing along a first direction and can switch between a pushing state and a reset state. One end of the elastic energy storage component is connected to the inner wall of the housing, and the other end is connected to the pushing component. The pushing component can lock or unlock with the housing. In the reset state, the pushing component and the housing are locked, causing the elastic energy storage component to be in a compressed energy storage state, accumulating potential energy to push the pushing component to the pushing state. When the pushing component and the housing are unlocked, the elastic energy storage component releases its potential energy. This invention results in low energy consumption for automatic door opening and allows the user to close the door at any time.

The present disclosure relates to the technical field of mine coal and rock dynamic disaster prevention and control, and particularly relates to a coal impact tendency evaluation method based on acoustic emission energy. The method comprises: under the condition that a first coal sample is subjected to a preset force, obtaining an elastic energy index of the first coal sample based on acoustic emission characteristics and stress-strain characteristics; according to the stress-strain characteristics, obtaining an impact energy index of the first coal sample; according to a stress-time curve of the coal sample, obtaining uniaxial compressive strength and a failure duration of the first coal sample; and using an impact tendency evaluation method, evaluating the impact tendency of the first coal sample according to the elastic energy index, the impact energy index, the uniaxial compressive strength and the failure duration, and obtaining the impact tendency of the first coal sample. The present disclosure can improve the accuracy and convenience of coal sample impact tendency evaluation.

This invention discloses a biomimetic cheetah spine elastic energy storage high-speed gait mechanism, belonging to the field of biomimetic legged robot motion execution and efficient gait control technology. Currently, quadrupedal and humanoid robots generally suffer from low energy utilization, high overall motion power consumption, significant gait rigidity impact, and limited continuous long-distance high-speed movement capability under high-speed running conditions. Conventional rigid linkage structures are difficult to achieve the efficient conversion and recycling of kinetic and elastic potential energy during biological movement. This invention mimics the biological movement mechanism of a cheetah during high-speed running, characterized by periodic bending and extension of the spine accompanied by elastic energy storage and release through tendons. It designs a multi-segment biomimetic flexible spinal main structure, combined with high-modulus energy storage tendon components, joint damping buffer units, and a collaborative drive linkage mechanism. This enables the robot to recover, store, and release energy within the complete gait cycle of stepping, takeoff, and landing, thereby significantly improving running speed, reducing drive system load, minimizing body vibration and impact, and enhancing overall stability and endurance under high-speed movement conditions. This technical solution has a highly original structure and is significantly different from existing bionic gait mechanisms. It can be widely used in equipment such as high-speed quadruped robots, emergency rescue robots, outdoor inspection robots, and racing robot platforms.

This invention provides an automatic generation method for full prismatic meshes based on elastic energy optimization, belonging to the field of computer-aided engineering and numerical simulation mesh generation technology. This method constructs a coarse geometric proxy and combines it with a regularized elastic energy model for layered parallel elastic relaxation. Furthermore, it effectively restores the thickness of prisms in narrow regions using global collision resolution and local scaffold relaxation techniques, and employs a multi-layer anisotropic prismatic mesh generation algorithm based on Hermite interpolation to control layer thickness evolution and orthogonality. This invention effectively overcomes the challenges of self-intersection and element flipping in prismatic meshes caused by complex grooves, slits, and other geometric features, mathematically guaranteeing the global injectivity and geometric validity of the prismatic mesh. It also decouples global energy optimization into a parallel local energy minimization problem, significantly reducing computational complexity to an acceptable range for engineering applications, ultimately achieving efficient, robust, and fully automated generation of full prismatic boundary layer meshes for complex industrial shapes.

This invention provides a damping vibration reduction device and configuration method for wind turbine blades. The device includes a force transmission component and an energy dissipation damping unit. The force transmission component includes two pre-tensioned force transmission damping cables, and the energy dissipation damping unit includes an eddy current energy dissipation component, an elastic energy dissipation component, and a force transmission frame. The method includes establishing a numerical model of the wind turbine blade-force transmission damping cable and applying an external wind load to the blade; constructing a multi-objective optimization function and setting the value ranges of the spring stiffness coefficient and damping coefficient as constraints; using the PSO method to solve for the optimal spring stiffness coefficient and optimal damping coefficient of the damping vibration reduction device. During the solution process, a set of spring stiffness coefficients and damping coefficients are used as particles, and the fitness of the particles is calculated based on the numerical model of the wind turbine blade-force transmission damping cable and the constructed multi-objective optimization function. This invention has the advantages of wide-band, high-efficiency vibration reduction and high overall reliability.

This invention relates to the field of sliding materials for seismic isolation bearings, specifically disclosing a high-temperature resistant and wear-resistant composite material for building seismic isolation bearings and its preparation method. The high-temperature resistant and wear-resistant composite material for building seismic isolation bearings comprises the following raw material components in parts by weight: aliphatic polyketone, high-styrene resin-modified methyl vinyl silicone rubber, silicone resin, fluorosilicone rubber, polytetrafluoroethylene, high-temperature resistant filler, lubricant, compatibilizer, and coupling agent; the high-temperature resistant filler comprises the following raw material components: chopped basalt fiber, titanium diboride, silicon nitride, and ceramic powder. The high-temperature resistant and wear-resistant composite material for building seismic isolation bearings prepared by this invention synergistically improves the material's wear performance, thermal stability, and compressive modulus through mechanisms such as hard embedding of filler, elastic energy absorption of rubber and plastic, and self-lubricating interface construction, thus overcoming the shortcomings of existing technologies.

The application discloses a rock damage strength identification and instability discrimination method based on energy rate response difference, obtains rock elastic strain energy and dissipation strain energy through axial stress-strain curve data, calculates rock sample elastic energy rate and dissipation energy rate data through differential calculation of energy parameters on strain, and determines the damage strength value of the rock sample through the peak value of the energy rate response difference curve of the elastic energy rate and the dissipation energy rate difference, so that the instability state of the rock material can be judged. The method does not need to monitor additional data, is simple to operate, has a unique identification point, is good in objectivity, and is relatively accurate and reliable in identification result.

This invention discloses a stress wave protection structure, relating to the field of stress wave protection technology. It includes multiple sets of impedance mismatched structural segments and multiple sets of high-damping dissipation structural segments, with the impedance mismatched structural segments and the high-damping dissipation structural segments arranged alternately. The impedance mismatched structural segments directly reflect a portion of the stress wave transmitted to the protection structure, reducing the transmitted wave energy within the protection structure. The stress wave transmitted into the impedance mismatched structural segments undergoes multiple reflections and transmissions within the impedance layer, increasing the vibration frequency of the stress wave propagating into the high-damping dissipation structural segments. This leverages the stress wave attenuation capability of the high-damping material, and the high-damping dissipation structural segments convert the elastic energy generated during stress wave reflection into heat energy, thus dissipating the stress wave energy.

The utility model relates to a kind of connecting structure for glued wood space truss, belong to building and engineering technical field, solve the poor problem of the anti-seismic property of the glued wood truss structure due to stress concentration at node in prior art.The utility model includes anti-seismic cylinder, the anti-seismic cylinder includes outer connecting piece, inner connecting piece and spring buffer piece, the inner connecting piece is located in the outer connecting piece, the spring buffer piece is located at the gap of the inner connecting piece and the outer connecting piece, one end of the spring buffer piece is connected with the inner cavity end portion of the outer connecting piece, and the other end is connected with the inner connecting piece.The end anchoring portion of the integrated material web member of the utility model realizes stage stress, meets the requirement of structure stress, and can realize the demand of anti-seismic performance by friction energy dissipation, elastic energy dissipation piece energy dissipation.

A sheet metal punching device 11 according to the present invention includes: a die 13 designed to support a sheet metal 1; and a punch 15 configured to form a circular punched hole 3 in the sheet metal 1 supported by the die 13, wherein the punch 15 includes: a main body piece 17; a cylindrical punched piece 19; a rotating piece 21 rotatably arranged about a central axis of the punched piece 19 as an axis of rotation; and a coated abrasive 23 provided on an outer circumferential surface of the rotating piece 21.a spring 25 disposed between the main body piece 17 and the die-cut piece 19 so that it is capable of contracting and extending in a die-cutting direction, contracting and accumulating elastic energy until the die-cut piece 19 comes into contact with and punches the metal sheet 1, and releasing the elastic energy and extending after the die-cut piece punches the metal sheet 1; and a rotary motion conversion device 27 configured to convert a linear motion of the die-cut piece 19 due to the extension of the spring 25 into a rotary motion of the rotary piece 21.

This invention provides a method for evaluating rockburst tendency based on loosened zone test results, relating to the field of rockburst disaster prediction technology in underground engineering. The method obtains the thickness of the loosened zone and the equivalent radius of the cavern through field testing, constructing a normalized loosened zone coefficient to characterize the remaining energy storage capacity of the surrounding rock. A smaller normalized loosened zone coefficient indicates a more intact surrounding rock, a stronger elastic energy accumulation capacity, and a higher rockburst tendency. Based on a comparison of the normalized loosened zone coefficient with a preset threshold, the rockburst tendency is classified into four levels: strong, medium, weak, and none. This invention is entirely based on field non-destructive testing, requiring no indoor mechanical experiments or empirical parameters. It has advantages such as simple operation, low cost, clear physical meaning, and intuitive classification results. It can effectively explain the engineering phenomenon of no rockburst in high-stress areas but rockburst in low-stress areas, providing a scientific basis for rapid assessment and prevention of rockburst risks in deep underground engineering.

The application discloses a steel anchor beam pre-pressing self-balancing connecting component considering cable replacement and cable breaking impact and a construction method, relates to the field of bridge engineering structures, and comprises a box, a guide sliding groove is arranged in the box, disc-shaped spring sheet groups, limiting steel plates and elastic energy dissipation pads are sequentially arranged in the guide sliding groove along a stress direction, a pressure bearing steel plate is arranged at the end of the guide sliding groove close to the elastic energy dissipation pad, and rubber gaskets are arranged outside the pressure bearing steel plate. The steel anchor beam pre-pressing self-balancing connecting component considering cable replacement and cable breaking impact and the construction method have the multi-stage response characteristics of stable force transmission, elastic participation in adjustment, sliding energy dissipation and limiting constraint synergistic action in different stress stages, effectively improve the stress performance of the connecting area under various working conditions, and solve the problem that the traditional rigid connection is difficult to consider stable force transmission and impact release capacity.

The application relates to an automatic conversion mechanism of a dual-power automatic transfer switch, which comprises a base, a cover, a motor and an energy storage conversion assembly. A containing cavity for placing the energy storage conversion assembly is formed between the cover and the base. The energy storage conversion assembly comprises a rotating disc, a driving wheel and an energy storage torsional spring. Two elastic energy storage arms are symmetrically arranged on the driving wheel. The rotating disc is provided with a normal energy storage release surface and a standby energy storage release surface matched with the two elastic energy storage arms. The normal energy storage release surface and the standby energy storage release surface can be respectively abutted on the two elastic energy storage arms and can realize normal power closing energy storage release or standby power closing energy storage release. The application has the advantages of simple structure, stable and reliable performance, low cost, small size and rapid conversion.

The application relates to the field of speed reducer machining, in particular to a flange-mounted speed reducer bearing inner ring machining device and method. A large pressure is needed to block the gap in the cutting stage, and the pressure needs to be released to reduce friction in the bearing circumferential angle adjusting stage. Meanwhile, the cutting chips attached to the surface of the protection component are difficult to be automatically removed, and long-term accumulation can affect the sealing effect, so manual shutdown cleaning is needed. The flange-mounted speed reducer bearing inner ring machining device and method adjust the reverse reset of the elastic frame, the pressure edges at the bottom of the elastic frame are gradually separated from the convex edges with equal intervals on the pad, periodic tremors are generated, stubborn chips attached to the protection rubber pad and the contact interface can be efficiently shaken off because the elastic frame is in a highly tensioned state at the beginning of the reset, the elastic energy storage is large, and the initial tremor amplitude is strong.

The utility model relates to mechanical damping technical field discloses a kind of traction machine damping devices, the utility model includes flange seat;Primary damping structure;Lower end is embedded in the upper surface of the flange seat and relatively fixed;Second damping structure;Including damping sleeve and an elastic energy storage piece, wherein the damping sleeve is packed into the primary damping structure inside, the elastic energy storage piece is embedded in the lower end blind hole of the damping sleeve, and the upper and lower ends of the elastic energy storage piece are respectively with the damping sleeve and the flange seat are resisted to each other.The utility model frequency band adapts to reasonable: for the low, medium, high frequency vibration of traction machine starting, acceleration, uniform speed stage, respectively through low-frequency rubber layer, medium-frequency elastic layer, high-frequency magnetic layer accurate suppression, realize full operation cycle damping and noise reduction.

A terminal block device and its locking-type electrical connection plug are provided. The terminal block device includes the locking-type electrical connection plug and an electrical connection socket connected with each other. The locking-type electrical connection plug includes a housing and a locking handle. The housing includes a guide groove divided into two segments. The locking handle includes a pressing part, a latch body, and an operating section. The latch body snaps onto the electrical connection socket. The operating section includes two shafts and an elastic component. The two shafts are guided by the two segments. The elastic component exerts an elastic force on the housing. When the pressing part is pressed, the locking handle is guided by the two shafts to swing, causing the latch body to lift and disengage from the electrical connection socket, and making the elastic component store elastic energy.

This invention relates to a method for quantitatively assessing the quality characteristics of engineering rock masses based on their energy dissipation coefficient. The method involves conducting in-situ deformation tests on rigid bearing plates of the rock mass at the engineering site, and obtaining pressure-deformation curves of the rock mass through graded loading. Based on the type of pressure-deformation curve, the quality characteristics of the rock mass are initially classified. Graphical integration is performed on the pressure-deformation curves to calculate the input energy, elastic energy, and dissipated energy during the loading process. The energy storage and energy dissipation coefficients of the rock mass are obtained by fitting the curves and applying linear energy storage laws. Finally, the quality characteristics of the rock mass are quantitatively assessed based on its energy dissipation coefficient. This invention quantitatively assesses the quality characteristics of engineering rock masses from an energy perspective based on their energy dissipation coefficient, overcoming the inaccuracy of qualitative empirical methods such as rigid bearing plate curve types in identifying rock mass quality characteristics. It provides an effective reference for the stability assessment and support design of engineering rock masses and possesses significant innovation, practicality, economy, and feasibility.

The utility model discloses an isolation arc extinguishing structure, including, the shell is equipped with the accommodation cavity, and the accommodation cavity inner wall is equipped with a plurality of recesss, and the dynamic touch disc is contained in the accommodation cavity, and the dynamic touch disc is relative to the rotation of shell, and the dynamic touch disc is fixed with the dynamic touch subassembly, and the number of static contact is two, and two static contacts are contained in the accommodation cavity, and two static contacts are respectively with dynamic touch subassembly cooperation, and the push element is connected with the dynamic touch disc, and the push element is relative to the rotation of dynamic touch disc, and the slide plate is relative to the dynamic touch disc sliding, and the slide plate is linked with push element, and when the dynamic touch disc rotates, the push element is matched with the recess, and the push element rotates and drives the slide plate movement, and this kind of structure, need not the elastic energy storage device, only through mechanical connection forms the reciprocating motion of slide plate to the effective increase arc length, improves arc extinguishing effect.

The utility model relates to the technical field of seal, especially is used to the special-shaped sealing strip of new energy vehicle, including installation portion, the end surface of installation portion is arranged as " the type structure, in the inside of installation portion is provided with main body sealing portion, the upside of main body sealing portion is provided with first sealing protruding, in the side of installation portion is provided with edge sealing portion, the side away from installation portion of edge sealing portion is provided with second sealing protruding, the sealing strip of the utility model is composed of installation portion, main body sealing portion, edge sealing portion, and installation portion, main body sealing portion, edge sealing portion all are made of three element ethylene propylene rubber material, and three element ethylene propylene rubber has good weather resistance, ageing resistance and elasticity, can adapt to different environmental temperature and use condition.

To reduce misalignment of workpieces when receiving them. [Solution] A workpiece holding device comprising a workpiece holding section for holding a workpiece and a support member that moves up and down relative to the workpiece holding section, wherein the support member includes a retractable pad having an open end that contacts the workpiece and a pad support section that supports the pad, and the pad support section includes a first flow path and a second flow path connecting the internal space and the external space of the pad, and a check valve disposed in the first flow path so as to allow air to flow from the internal space to the external space through the first flow path and to prevent air from flowing from the external space to the internal space through the first flow path, wherein the kinetic energy of the support member when the support member rises from a state in which the pad is retracted is greater than the elastic energy of the pad in a state in which it is retracted.