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240 results about "Linear vibration" patented technology
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Linear Vibration: Linear vibration is the most familiar to everyone. This is the shaking and movement of equipment we can easily see, feel, and hear. As a rule, linear vibrations are related to some type of mechanical imbalance, misalignment, or wear.
Low-frequency vibration isolator with wide quasi-zero stiffness interval
The invention relates to a low-frequency vibration isolator with a wide quasi-zero stiffness interval. The low-frequency vibration isolator comprises a bearing platform, a base, a first negative stiffness assembly, a second negative stiffness assembly and a linear vibration isolation assembly. The bearing platform and the base are arranged in parallel and are both provided with bolt holes and limiting holes; a linear vibration isolation assembly is installed between the bearing platform and the base. The first negative stiffness assemblies are symmetrically distributed with the center point connecting line of the bearing platform and the base as the symmetry axis. The top of the first negative stiffness assembly is connected with the bearing platform, and the bottom of the first negative stiffness assembly is connected with the base. The two ends of the second negative stiffness assembly are connected with the two first negative stiffness assemblies correspondingly. The low-frequency vibration isolator has the characteristics of high static rigidity and low dynamic rigidity, the contradiction between the bearing capacity and the vibration isolation performance of a linear vibration isolation system is effectively solved, and the effective low-frequency vibration isolation effect on a vibration-isolated object is achieved while the bearing capacity of the vibration isolator is guaranteed.
Owner:HARBIN INST OF TECH
High-precision linear vibration feedback motor system
The invention discloses a high-precision linear vibration feedback motor system, and relates to the technical field of precise electromagnetic driving, and the system comprises a core driving module which is a moving magnet type linear motor of a Halbach array magnetic circuit structure, and is integrated with a multi-physics field sensing unit; the dynamic parameter tracking module is used for acquiring a reed rigidity coefficient, a damping coefficient and a magnetic constant in real time when the motor runs, and establishing a dynamic displacement model based on a recursive least square method; a double-closed-loop control framework is adopted, an inner loop adopts field-oriented control, and an outer loop is based on model prediction control; the aging prediction unit activates a temperature rise compensation algorithm when the accumulated number of vibration times is greater than a set threshold value; the self-adaptive calibration engine is used for injecting a sweep frequency excitation signal when the system is started, and automatically compensating individual difference parameters according to the harmonic peak offset; and the digital twin mapping unit is used for establishing a real-time mapping relationship between the physical parameters of the motor and the virtual model, and dynamically correcting the model parameters by comparing the actual displacement with the model displacement.
Owner:NAN TONG MI SHUI FANG SHUI MIAN CHAN YE KE JI YOU XIAN GONG SI
Base damping device of vacuum vibration press
The utility model provides a base damping device of a vacuum vibration press, which belongs to the technical field of damping and comprises a moving table and a damping component arranged at the top of the outer wall of the moving table, and the damping component comprises a damping seat, an auxiliary frame, a mounting frame, a damper, an angle frame, a limiting frame, a resistance reducing wheel, a supporting seat, a buffer spring and a limiting frame. The auxiliary frame is fixedly arranged at the corner of the bottom of the outer wall of the damping seat, and the limiting frame is embedded in the inner wall of the auxiliary frame. The damping assembly and a buffer spring form a rigid-flexible damping structure through a damper, high-frequency vibration can be absorbed at the same time, rapid energy consumption through damping can be achieved, low-frequency vibration can be elastically buffered through the spring, dynamic adjustment is achieved through a resistance reduction wheel, the resistance reduction wheel rolls in a limiting frame, impact force is dynamically dispersed in cooperation with a supporting base, stress concentration is avoided, and the service life of the damping assembly is prolonged. The rolling design of the resistance reduction wheel converts linear vibration into rotating kinetic energy, and direct damage of transverse impact to the structure is reduced.
Owner:ZHONGQI (HUBEI) NEW MATERIAL CO LTD
Efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore
An efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore includes a hydraulic tossing washing and scattering pretreatment device, a high-frequency linear vibration grading device, a first-stage multiphase-flow swirling grading device, an energy-gathering ultrasonic scrubbing device, a second-stage multiphase-flow swirling grading device, a high-frequency linear vibration dewatering device, an efficient uniform-mixing and activating system and a conditioning and pressing dewatering system. The present disclosure implements intensive mud-sand stripping of crushed argillaceous sandstone uranium ore, fine graded-separation of material, and efficient uniform-mixing and activating and deep efficient dewatering of fine-particle argillaceous material. Finally, four types of core material of coarse sand material, fine sand material, dry tailings residue and a high-concentration uranium ore leaching solution are formed through continuous work. Efficient multiphase-flow graded-separation, concentration and purification of the argillaceous sandstone uranium ore are implemented, and an intensive extraction rate of uranium ore resources is improved.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
Vibrating device for fatigue test of passenger ropeway carriage
The invention relates to the technical field of fatigue tests, and discloses a vibration device for a fatigue test of a passenger ropeway carriage, the vibration device comprises a support control positioning mechanism and a height control positioning mechanism, the middle position of the support control positioning mechanism is connected with a vibration adjustment positioning mechanism, and the support control positioning mechanism comprises a positioning frame; a positioning column is fixedly arranged at the bottom end of the positioning frame, a fixing frame is fixedly arranged at the bottom end of the positioning column, and a plurality of supporting legs are fixedly arranged at the outer end of the fixing frame. The vibration mechanism can move along a square track, so that reciprocating linear vibration or rotating circular vibration is realized; due to the multidirectional vibration capability, the test working condition is closer to the actual operation scene, and the accuracy of fatigue life evaluation is improved; the vibration mechanism supports multidirectional movement and can simulate complex vibration working conditions caused by passenger walking, goods unbalance loading and the like, and the working condition coverage of the test is remarkably improved.
Owner:SICHUAN CHUANKUANG CABLEWAY ENG CO LTD
Working condition following gear wear monitoring and predicting method based on vibration signals
The invention relates to a working condition following gear wear monitoring and predicting method based on a vibration signal, belongs to the technical field of gear transmission, and solves the problem that influence of different working conditions and different wear states of different positions of a gear cannot be considered in gear wear monitoring and prediction in the prior art. Comprising the following steps: S1, establishing a working condition Map graph based on dynamic working condition division of multi-source sensor fusion, and updating the working condition Map graph in real time; s2, establishing an Archard wear correction model, and calculating the wear extent of the gear; s3, establishing a gear nonlinear vibration model considering wear and clearance influence, and solving a vibration signal of a gear system; s4, a CNN-LSTM mixed wear diagnosis model is established, and training is carried out; and S5, acquiring and processing in real time to obtain a vibration signal of the gear system, and inputting the vibration signal into the CNN-LSTM mixed wear diagnosis model to obtain the current wear state probability distribution of the gear and the wear development trend prediction of the gear.
Owner:BEIHANG UNIV +1
Linear vibration motor
The present application provides a linear vibration motor, including a casing, a stator and a vibrator accommodated in the casing, and an elastic member for suspending the vibrator in the casing. The vibrator includes a mass block having a through-hole, and a magnetic circuit system. The magnetic circuit system includes a first magnetic steel arranged on one side of the stator and a second magnetic steel arranged on the other side of the stator. The first magnetic steel and the second magnetic steel are extended in parallel and arranged centrally symmetrically around a geometric center of the stator. The first magnetic steel includes a first magnetic steel portion, and the second magnetic steel includes a second magnetic steel portion. The asymmetric magnetic circuit structure can improve the nonlinear vibration when the stator is offset during the arrangement, which is helpful for improving the stability and yield of the test.
Owner:AAC MICROTECH (CHANGZHOU) CO LTD
Low-frequency double-nonlinear quasi-zero-stiffness energy harvesting vibration isolator
The invention discloses a low-frequency double-nonlinear quasi-zero-stiffness energy harvesting vibration isolator, and belongs to the technical field of nonlinear vibration control and energy harvesting. Comprising a supporting frame, an upper platform and a lower platform are horizontally installed on the supporting frame, and two vertical optical shafts are symmetrically installed and penetrate through the upper platform and the lower platform; the loading platform is used for bearing a vibration-isolated object and is mounted on the upper platform; the nonlinear negative stiffness structure is a bionic skeleton X-type mechanism arranged between the upper platform and the lower platform and provides negative stiffness restoring force; the non-linear positive stiffness structure is connected with the non-linear negative stiffness structure in parallel and provides restoring force which is non-linearly changed along with displacement; the energy harvesting unit comprises a copper film arranged on the inner side face of the supporting frame and a polytetrafluoroethylene film arranged on the outer side face of the upper platform, and the copper film and the polytetrafluoroethylene film form a friction nanometer generator. The problems that in the prior art, energy harvesting and ultralow-frequency vibration isolation energy harvesting cannot be carried out in a wider working frequency band are solved, and the vibration isolation energy harvesting efficiency can be effectively improved.
Owner:CHONGQING SCI & INNOVATION CENT OF NORTHWEST POLYTECHNICAL UNIV
A full-automatic rubber band discharging structure and a working method thereof
The application discloses a full-automatic rubber band discharging structure and a working method thereof, relates to the technical field of discharging, and comprises a rotary screening device, a linear vibration device and a vibrating disc device. The linear vibration device comprises a linear vibrator arranged on a machine table and a vibrating seat mounted on the linear vibrator. Linear guide grooves are formed in the vibrating seat. The rotary screening device is arranged above the linear guide grooves and is in brushing cooperation with the upper end surface of the rubber band. The sliding friction between the rotary screening device and the rubber band is greater than the sliding friction between the linear guide grooves and the rubber band. The material channel comprises a first feeding part, a screening part and a second feeding part which are sequentially and mutually connected. The application preliminarily screens materials through the screening part, and the rotary screening device performs secondary screening, so that the finally conveyed rubber band better meets the production standard, the screening quality is improved, the overall production stability of the application is better, and the application has the advantages of reasonable structure design, convenient use, high production efficiency and the like.
Owner:DONGGUAN CANNING PRINTING CO LTD
Linear vibration motor and electronic device
ActiveCN223414767UNon-rotating vibration suppressionDynamo-electric machinesMagnetic dampingElectrical polarity
The utility model belongs to the technical field of vibration generators, and relates to a linear vibration motor and electronic equipment, the linear vibration motor comprises a housing, a vibrator assembly accommodated in the housing, and a stator assembly and an electromagnetic damping member which are fixedly connected with the housing and used for driving the vibrator assembly to vibrate; the magnetic circuit system comprises at least two pieces of side magnetic steel and at least one piece of center magnetic steel, the magnetizing directions of the two adjacent pieces of side magnetic steel are opposite and perpendicular to the vibration direction, the center magnetic steel is clamped between the two adjacent pieces of side magnetic steel, and the thickness of the center magnetic steel is smaller than that of the side magnetic steel in the first direction. The center of gravity of the central magnetic steel is closer to the electromagnetic damping piece than the center of gravity of the side magnetic steel, the magnetizing direction of the central magnetic steel is parallel to the vibration direction, and the polarities of the ends, close to each other, of the central magnetic steel and the two adjacent side magnetic steel are the same. The structure not only can improve the electromagnetic damping effect, but also can maintain the magnetic field intensity on one side of the coil.
Owner:GOERTEK INC
Dosing assembly, linear vibration transport line and feeding device
The application discloses a material distribution assembly, which comprises a conveying seat, a sliding piece, a first connecting piece, a blocking piece and a first driving unit. A first conveying channel is formed in the conveying seat, and the first conveying channel is used for conveying materials. The sliding piece is arranged on the conveying seat in a sliding mode. The first connecting piece is connected with the sliding piece. One end of the blocking piece is arranged at an outlet of the first conveying channel, and the other end of the blocking piece is connected with the sliding piece through the first connecting piece. The first driving unit is arranged on the conveying seat and connected with the sliding piece, and is used for driving the sliding piece to slide on the conveying seat, so as to drive the blocking piece to open or close the outlet of the first conveying channel. The material distribution assembly realizes the function of outputting a certain amount of materials each time. The application also discloses a direct-vibration conveying line comprising the material distribution assembly and a feeding device comprising the direct-vibration conveying line.
Owner:FULIAN TECH (SHANXI) CO LTD
Automatic pipe penetrating and heat shrinking production line for high-speed railway insulation reinforcing steel
High-speed rail is used for automatic pipe production line of insulating steel, the production line includes steel supply system, insulating pipe supply system, pipe system, heat shrinkage furnace system, the steel supply system includes stock bin frame, the steel distribution device and the steel distribution device are installed in turn after the stock bin frame, the insulating pipe supply system includes the vibration disc of insulating pipe sequencing, the vibration disc is set on the machine table, the outlet of vibration disc is connected with linear vibration guide, the pipe system includes pipe carrier, steel pushing device installed on the side of pipe carrier, insulating pipe positioning and shaping die set installed on the pipe carrier. The production line realizes the automation of heat shrink tube production.
Owner:ANYANG HELI CHUANGKE METALLURGY NEW TECH RES & DEV
Coaxial rotating eccentric vibrator
The invention relates to a coaxial rotating eccentric vibrator. A hydraulic motor drives two groups of eccentric blocks capable of reversely rotating around the same axis to rotate, and inertia force generated by rotation of the eccentric blocks is synthesized to enable a rotating shaft to generate linear vibration in a certain radial direction. The device is composed of a hydraulic motor 1, a flange plate 2, a box body 3 and an internal excitation part. A shaft output spline hole 17 of the hydraulic motor 1 is connected with a shaft head spline of the rotating shaft 5, and the hydraulic motor 1 is fixed to the box body 3. The flange 2 is fixed at the bottom of the box 3. The tool can be installed on the flange plate 2 to form a vibration tool for use. The vibrator can also be installed on other machinery equipment through the flange plate 2 to be used as a vibration source. The machine is compact in structure, easy to manufacture, concentrated in inertia force and suitable for the field with the requirement for linear vibration of inertia.
Owner:王茂胜
Motor control method for oral care device and related apparatus thereof
PCT designated stageWO2026001786A1AC motor controlPiezoelectric/electrostriction/magnetostriction machinesRotational vibrationElectric machinery
A motor control method for an oral care device and a related apparatus thereof. The oral care device comprises a motor (120). The motor (120) comprises a mover (301). The motor control method comprises: acquiring a driving signal, controlling, on the basis of the driving signal, the reciprocating vibration of the mover (301) relative to a reference axis, and controlling the position of the reference axis to change, so as to increase the coverage range of the vibration, wherein the vibration includes linear vibration or rotary vibration, and the driving signal is a predetermined signal. The coverage range of the vibration of the mover (301) is significantly improved. As a result, the oral cleaning effect is improved.
Owner:GUANGZHOU STARS PULSE CO LTD
Optical axis stability control method and system based on linear acceleration feedforward compensation
The embodiment of the invention provides an optical axis stability control method and system based on linear acceleration feed-forward compensation, and the method comprises the steps: introducing a feed-forward compensation path based on a linear acceleration measurement value into a disturbance path from online disturbance to angular disturbance; the feedforward compensation path executes the following steps: acquiring a linear acceleration signal measured by a linear accelerometer arranged on the optoelectronic equipment in real time; multiplying the linear acceleration signal by a preset feed-forward compensation coefficient to generate a feed-forward compensation torque instruction; and the feedforward compensation torque instruction and a feedback torque instruction output by a servo control system speed ring controller are superposed to form a composite torque instruction, and a motor is driven to suppress angular disturbance generated by coupling of external line vibration through an equipment mechanical structure. According to the technical scheme, on the premise that an existing mechanical structure and a main feedback control framework are not changed, disturbance is actively predicted and counteracted by introducing a feed-forward compensation path, and the optical axis stability precision of the photoelectric equipment in a main vibration frequency band is improved.
Owner:CENT CHINA OPTOELECTRONICS TECH RES INST (CHINA STATE SHIPBUILDING CORP 717TH RES INST)
Granular crop uniform feed spreading device
A device for uniformly feeding and paving granular crops comprises: a uniform feeding silo for controlling the speed and flux of granular crops during feeding and conveying, and for automatically paving, dispersing, and evenly distributing the crop particles; a linear vibration module disposed at the bottom of the uniform feeding silo; a uniform speed perturbation module disposed within the uniform feeding silo; a visual monitoring module disposed at the outlet of the uniform feeding silo; a material conveying module; an image acquisition module; and a computer system. The present invention uniformly spreads and disperses large quantities of granular crops within the imaging field of view of a machine vision module, and adjusts the feeding speed and flux in real time according to changes in the density of the crop particles, so that the sample particles form an easily detectable image pattern and maintain the spatiotemporal uniformity of the feeding, thereby utilizing the detection and recognition algorithm combined with the device to perform efficient and intelligent appearance quality and quarantine testing on large quantities of granular crops. This is a key technical issue that urgently needs to be addressed in the field of food security.
Owner:SHANGHAI JIAOTONG UNIV
Variable damper and equipment based on variable pitch thread transmission
The invention belongs to the related technical field of structural vibration control, and discloses a variable damper and equipment based on variable pitch thread transmission, the variable damper comprises a magnetic metal shell, and a center driving sliding disc, a variable pitch threaded rod and a peripheral eddy current disc which are respectively arranged in the metal shell, the variable pitch threaded rod is sleeved with the center driving sliding disc, and threaded connection is formed between the center driving sliding disc and the variable pitch threaded rod. The peripheral eddy current disc is connected to the central driving sliding disc; the metal shell can provide a magnetic field; and the thread spacing of the variable-pitch threaded rod is in nonlinear distribution. Forced linear vibration is converted into nonlinear rotation through the variable-pitch threaded rod, geometric amplification of the rotating speed and electromagnetic dissipation power is achieved under limit displacement by means of the thread pitch characteristic that the thread pitch is distributed in a nonlinear mode, powerful anti-top-rushing protection is provided, and the variable-damping capacity with the stroke self-adaption function is achieved.
Owner:HUAZHONG UNIV OF SCI & TECH
Linear motor assembling equipment
PendingCN122052455AManufacturing dynamo-electric machinesSupports/enclosures/casingsLinear motorLinear vibration
According to the linear motor assembling equipment provided by the embodiment of the invention, the linear vibration motor is arranged on the bearing surface, and the multiple first positioning parts abut against the two sides of the motion unit. Therefore, a clamping pair formed by the third positioning surface and the fourth positioning surface can push one end of the spring piece to the inner wall of the shell in the first direction, so that laser welding can be conveniently carried out on the spring piece and the shell. And on the other hand, the thickness direction of the clamping piece is configured to be consistent with the second direction, so that the clamping piece can be conveniently inserted between the motion unit and the shell, and the motion unit is further fixed.
Owner:LUXSHARE INTELLIGENT MFG TECH (CHANGSHU) CO LTD
Lifting platform for linear vibration friction welding machine
The lifting platform for the linear vibration friction welding machine comprises a base and a welding die, a lifting plate is arranged at the top of the base, a fixing frame of a U-shaped structure is fixedly connected to the bottom of the lifting plate, a second air cylinder is fixedly connected to the bottom of the base, and a piston rod of the second air cylinder penetrates through the base and is fixedly connected with the bottom of the fixing frame. The bottom of the fixing frame is fixedly connected with a first air cylinder, and the top end of a piston rod of the first air cylinder is fixedly connected with the bottom of the mounting plate. A movable plate is hinged to one side of the mounting plate, a plurality of fixed plates are fixedly connected to one sides of the mounting plate and the movable plate at equal intervals, and a plurality of balls are fixedly connected to the outer sides of the fixed plates at equal intervals. Through the structure, the movable plate extension structure can enable the mold to be placed and taken down on the side close to the welding machine door body, so that the replacement operation space of the welding mold is larger, the welding mold is convenient to take and place, the operation efficiency is higher, and the convenience and practicability of replacement of the welding mold are improved.
Owner:FUJIAN XIAPU WARWICK ELECTROMECHANICAL CO LTD
Linear vibration motor
PendingJP2025140046AMechanical vibrations separationPropulsion systemsElectric machineLinear vibration
To provide a linear vibration motor configured so as to suppress stress from concentrating accompanying vibration of an elastic member.SOLUTION: A linear vibration motor comprises an actuator having a movable element having a magnet and a back yoke and a stator, and an elastic member 40 supporting the movable element so that the element can vibrate with respect to the housing. The elastic member has a pair of first extending parts 410 and 411 extending along a first direction, a pair of second extending parts 412 and 413 extending along a second direction, and a fixed part 42 that is connected to the first extending parts. The fixed part is positioned between the pair of first extending parts and the pair of second extending parts and is provided at a position overlapping a central part of the elastic member. The fixed part is fixed to the back yoke, at a plurality of fixing points. The plurality of fixing points are formed at a position that is symmetric with a first referenced line parallel to the first direction through the central part and is formed at a position that is symmetric with a second referenced line parallel to the second direction through the central part.SELECTED DRAWING: Figure 4
Owner:COPAL CO LTD
Linear vibrating screen
The utility model relates to a linear vibrating screen which comprises a working channel, a linear driving mechanism, a springback mechanism and a base. The linear driving mechanism is arranged on the base, the driving end of the linear driving mechanism is connected with the working channel through the connecting part, and the springback mechanism is connected with the base and the connecting part; the linear driving mechanism is used for driving the connecting part to drive the working channel to move on an oblique line track with a preset angle, when the linear driving mechanism drives the connecting part to move, the connecting part drives the springback mechanism to store energy, and then the springback mechanism drives the connecting part to move in the opposite direction when resetting. According to the linear vibrating screen, the rebound mechanism is arranged, the function of the linear vibrating screen can be achieved only by arranging the linear driving mechanism, when the linear driving mechanism drives the connecting part to move, energy can be stored for the rebound mechanism, the linear driving mechanism has the resetting tendency, and the connecting part is driven to move in the opposite direction in the resetting process; the effect that the working channel vibrates in a reciprocating mode in the inclined direction is achieved, the overall cost is reduced, and the fault rate is low.
Owner:吴勤凯
Vertical linear vibration motor
ActiveCN224204954USimple structureImprove sealingReciprocating/oscillating/vibrating magnetic circuit partsSupports/enclosures/casingsStructural engineeringLinear vibration
The utility model relates to the technical field of vibration motors, and discloses a vertical linear vibration motor, which comprises a cylindrical shell with an opening at one end and a plate-shaped cover body, the shell and the cover body are buckled to form an accommodating space, the shell comprises a side wall, and the free end of the side wall is provided with a first notch; the side wall is vertical to the cover body; the cover body comprises a circular body, a supporting part extending from the body in parallel and an annular protruding part protruding from the inner surface, close to the periphery, of the body, the protruding part is provided with second notches corresponding to the first notches, the first notches are located on the outer sides of the second notches at intervals, the supporting part corresponds to the second notches, and the side wall is fixedly connected between the protruding part and the edge of the body. The maximum outer diameter of the side wall is equal to the outer diameter of the body, a gap is formed between the side wall and the convex part, and a first sealant part is coated in the gap. The vertical linear vibration motor is high in structural stability, good in sealing performance and good in vibration performance.
Owner:SICHUAN AWA SEIMITSU ELECTRIC CO LTD
Method and system for evaluating performance degradation state of motor bearing
The invention discloses a motor bearing performance degradation state evaluation method and system, and relates to the technical field of bearing performance evaluation, and the method comprises the following steps: building a time-frequency response mapping model of a rolling body fatigue micro-crack region, and calculating the performance degradation state of a motor bearing according to a vibration signal, rotation speed fluctuation and load change of the motor bearing in the operation process; extracting an energy distribution curve of the micro-lag region, and constructing a multi-scale phase delay matrix according to the energy distribution curve; and constructing a local energy coupling identification network based on a phase delay matrix output by the time-frequency response mapping model. Accurate identification and early degradation prediction of motor bearing microcrack energy behaviors are realized through time-frequency mapping and a phase delay matrix, and self-healing adjustment and closed-loop control of an energy field are realized through a self-adaptive phase inversion and anti-lag compensation mechanism, so that nonlinear vibration instability is effectively inhibited; the running stability and the service life of the bearing are obviously improved.
Owner:LONGYAN UNIV
Linear vibration motor with elastic connector with two elastic sheets seperated by spacer and soldering lug
A linear vibration motor, including: a housing, a stator in the housing, a vibrator, and an elastic connector suspending the vibrator in the housing. The stator includes a solenoid fixed to the housing and includes a weight having a through hole and a magnet assembly fixed to an inner wall of the weight, the elastic connector includes at least two plate-shaped elastic sheets arranged in parallel and a spacer arranged at two ends of two adjacent elastic sheets to separate the two adjacent elastic sheets, the linear vibration motor further includes a first soldering lug, and the elastic connector has an end connected to the weight and another end connected to the housing through the first soldering lug. The elastic connector has high rigidity, and the vibrator is not prone to flipping during motion, a noise ratio is reduced and a vibration state is more stable.
Owner:AAC MICROTECH (CHANGZHOU) CO LTD
Automatic screw sorting mechanism
Owner:GUANGDONG JINGYI TECH CO LTD
Ultrasonic linear vibration screening equipment for medicine screening
The utility model discloses a medicine screening ultrasonic linear vibration screening device which comprises a fixing support, elastic supports are fixedly arranged at the four corners of the top end of the fixing support, a low lattice is fixedly arranged at the top among the four elastic supports, and a screening lattice is arranged at the top end of the low lattice. According to the ultrasonic linear vibration screening equipment for medicine screening, the two ultrasonic net racks are arranged in the ultrasonic linear vibration screening equipment, and the ultrasonic net racks and the particle square screen are effectively combined; the size of sieve meshes of the square particle sieve in the upper-layer ultrasonic net rack is larger than that of sieve meshes of the square particle sieve in the lower-layer ultrasonic net rack, so that the screening quality can be improved, too many material contact surfaces can be avoided, secondary pollution and damage to materials caused by cleaning balls are reduced, and the service life of the materials is prolonged. And the screening structure can be simplified on the premise that the service life and the screening effect are guaranteed, manufacturing is easy, the manufacturing cost is reduced, and the production efficiency is greatly improved.
Owner:XINXIANG GAOFU MACHINERY CO LTD
Label-free identification of tumor tissues by coherent nonlinear vibrational mode imaging
PendingUS20260079108A1Radiation pyrometryBiological material analysisNeoplasm diagnosisFrequency generation
A multimodal hyperspectral vibrational sum-frequency generation (VSFG) platform and a method of tumor diagnosis are provided. The method employs the chemical-specific VSFG microscopy platform as a label-free imaging technique for tumor identification.
Owner:RGT UNIV OF CALIFORNIA
Linear vibration motor and electronic device
The invention discloses a linear vibration motor and electronic equipment, and relates to the technical field of vibration generators, the linear vibration motor comprises a shell, a stator assembly and a vibrator assembly, the stator assembly and the vibrator assembly are accommodated in the shell, the vibrator assembly is suspended in the shell, the vibrator assembly comprises a mass block and a magnetic circuit assembly, the stator assembly comprises a coil, an iron core and an electromagnetic damping piece, the stator assembly is at least partially located in the containing cavity of the mass block, the iron core comprises a main body part and two end parts arranged at the two ends of the main body part in the vibration direction of the vibrator assembly, the projection area of the two end parts in the vibration direction of the vibrator assembly is larger than the projection area of the main body part, and the coil is wound around the main body part and located between the two end parts. The side surface of the iron core facing the magnetic circuit assembly is provided with an electromagnetic damping member. Foam damping is replaced by electromagnetic damping, the time for designing foam is saved, the design efficiency is improved, meanwhile, compared with a traditional electromagnetic damping position scheme, the motor space is saved, the damping effect is improved, and the product competitiveness can be greatly improved.
Owner:GOERTEK INC
Straw conveying device and straw processing and forming equipment
This invention relates to the field of straw processing and manufacturing technology, specifically to a straw conveying device and straw processing and forming equipment. The straw conveying device includes a vibratory feeder, a guide rail assembly, a feeding assembly, and a first stopping assembly. The guide rail assembly includes two spaced-apart track plates that extend in a front-to-back direction and form a sliding groove extending in the same direction. The upper part of the track plate supports the straw capsule, and the sliding groove allows the straw to enter and slide. The vibratory feeder can drive the guide rail assembly to generate linear vibration. The feeding assembly includes a feeding base plate, two left and right feeding clamps slidably mounted on the feeding base plate, a clamp driving mechanism that can drive the two feeding clamps to move towards and away from each other, and a base plate driving mechanism that can drive the feeding base plate to move back and forth. The feeding assembly is used to clamp the straw capsule and drive it forward. The first stopping assembly is located on the side of the feeding assembly near the vibratory feeder and is used to stop the straw moving towards the feeding assembly.
Owner:ZHEJIANG SORFA MEDICAL PLASTIC
Linear vibration generating device
PendingUS20260088692A1Reciprocating/oscillating/vibrating magnetic circuit partsMechanical vibrations separationLinear vibrationMagnet
A linear vibration generating apparatus includes a casing coupled to a lower cover so that a mounting space is formed inside the casing, a vibration body configured to vibrate in the mounting space in a first direction, a fixed body including a coil surrounded by the vibration body and including a yoke to which the coil is wound, and a pair of elastic bodies elastically supporting vibrations of the vibration body from between the casing and the vibration body. The vibration body includes a frame part which surrounds the fixed body and to which each of the pair of elastic bodies is connected, and includes a plurality of magnets mounted on an inner surface of the frame part facing the fixed body.
Owner:JAHWA ELECTRONICS