859 results about "Motor vibration" patented technology

The invention relates to the technical field of parameter control, and discloses a vibrating screen parameter self-adaptive control method and system based on machine learning. The method comprises the following steps: collecting coal characteristic parameters through an image device and a sensor; calculating a load coefficient and a difficulty index according to the parameters, and adjusting the parameters of the dual-motor vibration exciter to control vibration; the spring pre-tightening force and the screen surface inclination angle are adjusted according to vibration feedback, and the screening track is optimized; and the feeding speed and the baffle height are adjusted based on screening efficiency data, and self-adaptive control is achieved. The technical problems that traditional vibrating screen fixed parameter control cannot adapt to multi-coal-type changes, a vibrating screen control system lacks coal material characteristic real-time sensing and analyzing capacity, and a precise mapping and dynamic optimization mechanism is lacked between vibrating parameters and screening efficiency are solved.

The invention discloses a low-vibration permanent magnet motor for harmonic directional suppression rotor modification and a design method thereof. The structure and size of the permanent magnet motor are determined; analyzing the electromagnetic performance of the motor, and determining the harmonic order and phase of the radial permanent magnetic flux density; analyzing the vibration characteristics of the motor, and determining the main vibration frequency of the motor and the radial force order of dominant vibration so as to determine the order of the radial permanent magnetic flux density needing to be reduced; analyzing the relationship between the air gap magnetic conductance and the magnetic flux density, and determining the order and phase to which the air gap magnetic conductance needs to be added according to the distribution of the radial permanent magnet magnetic flux density to be reduced; a compensation function is established by adding air gap magnetic conductance which is opposite to the radial permanent magnetic flux density needing to be reduced, and the shaping position and shape are determined according to the period and shape of the compensation function; and considering the torque performance and stress of the motor, and determining the shaping depth. By adopting the method provided by the invention, the specific radial permanent magnetic flux density harmonic wave can be directly reduced, the vibration response can be effectively inhibited, and the torque performance of the motor can be ensured to be unchanged.

The invention provides a vibration control method and electronic equipment, and relates to the technical field of terminals. The motor vibration parameter can be obtained by integrating the use state and the electric quantity information of the electronic equipment, self-adaptive adjustment of the vibration parameter is achieved, and the use experience of a user is improved. The method is applied to the folding screen electronic equipment and comprises the following steps: acquiring a use state of the electronic equipment; acquiring electric quantity information of the electronic equipment; and acquiring vibration parameters according to the use state and the electric quantity information. And driving the motor to vibrate according to the vibration parameters.

The invention provides a motor multi-band vibration suppression method and a motor multi-band vibration suppression device based on electromagnetic-mechanical cooperative regulation and control. According to the method, vibration signals are collected in real time, and spectral analysis is carried out to identify vibration frequency distribution; dividing the vibration signal into a low-frequency band, a middle-frequency band and a high-frequency band according to a spectral analysis result, and respectively corresponding to a mechanical vibration source, an electromagnetic excitation source and a structural noise source; a control strategy is dynamically selected based on a vibration frequency band, a low-frequency band triggers a mechanical regulation and control module to output a reverse force to perform vibration suppression, a middle-frequency band triggers an electromagnetic control module to optimize a current waveform and a PWM modulation mode, and a high-frequency band starts a cooperative control strategy of the electromagnetic and mechanical control module; through real-time communication between the controller and each module, vibration feedback signals are continuously monitored, and control parameters are dynamically adjusted according to working condition changes so as to maintain the vibration suppression effect. According to the invention, through cooperative adjustment of electromagnetic control and a mechanical structure, active suppression of vibration of the motor in multiple frequency bands is realized.

The invention relates to the field of data processing, in particular to a motor performance detection method and system based on data analysis. The method comprises the steps that potential fault signals in motor vibration signals are separated, a plurality of windows are arranged, the potential fault signals are segmented to obtain segment signals, the segment signals are clustered to obtain a plurality of clustering clusters, and the clustering method comprises the steps that feature vectors of all the segment signals are constructed, the distance between the feature vectors is calculated, and the distance between the feature vectors is calculated; the dimension of the feature vector comprises periodic intensity and frequency band similarity, according to the feature vector, clustering is carried out by using a clustering algorithm to obtain a plurality of clusters, and the clusters comprise an interference signal cluster and / or a plurality of fault clusters. According to the invention, the influence of the interference signal on the fault detection accuracy can be reduced.

The invention relates to the technical field of concrete test piece forming, in particular to a concrete test piece forming vibrating device which comprises a base, a top plate, a vibrating plate, a vibrating motor, a damping spring, a fixing assembly, a moving assembly, a power supply module, a protective shell and the like. A top plate is connected to the base, a vibrating plate is slidably connected to the middle of the base, at least four damping springs are connected to the bottom of the vibrating plate in the circumferential direction, the damping springs are fixedly connected with the base, a vibrating motor is installed at the bottom of the vibrating plate, a fixing assembly is connected to the vibrating plate, and a moving assembly is connected to the top plate. The moving assembly is connected with a power supply module and a protective shell. The connecting block, the sliding sleeve, the spiral spring and the baffle are arranged, the baffle can prevent concrete in the test piece mold from overflowing, subsequent repairing work is reduced, the spiral spring can enable the baffle to automatically adjust the position according to needs, and effective covering on the surface of the concrete is maintained.

A vibration sounding device includes a housing, a sounding unit, and a motor vibration system. The motor vibration system includes a vibration unit and elastic components, and the vibration unit includes coils. The sounding unit includes a frame, a vibration system, a magnetic circuit system, and a front cover. The vibration system includes a first vibration system and a second vibration system. The first vibration system surrounds the second vibration system and is coaxially disposed with the second vibration system. The first vibration system includes a first vibrating diaphragm and a first voice coil. The second vibration system includes a second vibrating diaphragm and a second voice coil. The magnetic circuit system is fixed to the housing. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The vibration sounding device is small in overall thickness and in size, and excellent in acoustic performance.

The invention discloses an escalator fault prediction system and method based on a vibration algorithm. The escalator fault prediction system comprises a data acquisition module, a cloud server and a monitoring center, the data acquisition module comprises a motor vibration sensor, a speed reducer vibration sensor, a main machine base vibration sensor, an oil temperature sensor, a main drive vibration sensor and a handrail belt temperature sensor, wherein the motor vibration sensor, the speed reducer vibration sensor, the main machine base vibration sensor and the oil temperature sensor are installed on an escalator main machine; the main drive vibration sensor is installed on a chain wheel on the upper portion of an escalator; the step chain extension position sensor and the step chain wheel vibration sensor are arranged on a chain wheel at the lower part of the escalator; the sensors are respectively connected with a signal input end of a data processing module of the cloud server through the Ethernet, a signal output end of the data processing module is connected with an intelligent diagnosis module, and the intelligent diagnosis module of the cloud server is connected with a visual display module of a monitoring center through 485 communication. According to the invention, comprehensive monitoring and accurate diagnosis of the key transmission part of the escalator can be realized.

The invention discloses a non-linear vibration detection device for a high-speed rotating viscoelastic plate, and belongs to the field of detection equipment, the non-linear vibration detection device comprises a supporting seat, an anti-vibration pad is fixedly connected to the outer surface of the upper end of the supporting seat, a supporting plate is fixedly connected to the outer surface of the upper end of the anti-vibration pad, and a control component is arranged on the upper side of the supporting seat. The control component comprises a connecting plate fixedly connected with the inner surface of the supporting plate, an adjusting rod is in threaded connection with the middle of the outer surface of the connecting plate, and a through groove is formed in the upper side of the outer surface of the adjusting rod. By arranging the control component, enabling the viscoelastic plate to rotate at the same speed and detecting and analyzing the nonlinear vibration parameters of the viscoelastic plate, an experimenter can conveniently carry out a control experiment, so that the influence of motor vibration on the vibration parameters of the viscoelastic plate can be better analyzed; and the vibration characteristics of the viscoelastic plate can be further compared, analyzed and researched, so that the detection error can be reduced to a certain extent.

The utility model discloses a motor, a compressor and refrigeration equipment, the motor comprises a stator, the stator comprises a stator iron core and a winding, the stator iron core is provided with a plurality of stator teeth, the winding is wound on the stator teeth, and a stator slot is defined between two adjacent stator teeth; the rotor is arranged in an inner cavity of the stator, the rotor comprises a rotor iron core and magnets, the rotor iron core is provided with a plurality of installation grooves, the installation grooves are arranged at intervals in the circumferential direction of the rotor iron core, the magnets are suitable for being installed in the installation grooves, the number of stator grooves is Q, the number of poles of the rotor is 2p, the phase number of the winding is m, the outer diameter of the stator is D1, the inner diameter of the stator is D2, and GCD (Q, G, D) is smaller than Q; 2p) is the largest common divisor of the number of the stator slots and the number of the poles of the rotor and satisfies Q / (2pm) lt; 1, 11.2 < = (D2 / D1) (GCD (Q, 2p)) 2 < = 16.5. According to the motor provided by the embodiment of the utility model, the power density of the motor can be improved and the vibration noise of the motor can be reduced by limiting the largest common divisor of the stator slots and the rotor poles and the inner and outer diameters of the stator.

The invention relates to the technical field of bearing measurement, and discloses a multifunctional measuring instrument for comprehensive precision of a rolling bearing. The driving device is mounted on the working platform and comprises a load block capable of axially moving and a motor assembly for driving the load block to rotate; the measuring device comprises a high-precision inductance measuring head for detecting the runout of the bearing to be measured and a pressure sensor for monitoring an axial load; the fixing device is a replaceable mandrel base and is used for supporting an inner ring or an outer ring of the bearing to be detected; wherein the driving device applies an axial load to an inner ring or an outer ring of a to-be-measured bearing through the load block and drives the to-be-measured bearing to rotate, the measuring device synchronously collects bounce and load data of the to-be-measured bearing, the brushless motor and the load block are connected through the magnetic coupling, and the centering error of the mechanical coupling is eliminated. Meanwhile, motor vibration is prevented from being transmitted to the to-be-tested bearing, the pushing force air floating shaft sleeve actively counteracts the magnetic attraction force, and the stability of the load applied to the to-be-tested bearing is remarkably improved.

The invention discloses an intelligent power regulation system and method for a power distribution cabinet, and relates to the technical field of power regulation of the power distribution cabinet, and the method comprises the steps that a multi-source sensing unit carries out the early warning of harmonic overrun and local overheating risks in advance according to the collected three-phase current, three-phase voltage and harmonic components, and a temperature distribution matrix and external data generated by a thermal infrared imager; the edge prediction unit operates the LSTM-CNN-GRU hybrid neural network model to generate a future load prediction value, and stabilizes the voltage in advance; and the impedance self-adaptive execution unit enables the vibration value of the motor to be within a safety threshold value through the capacitor bank with the reconfigurable topology, the threshold value trigger type active filter and the tap switch controller according to the received optimization instruction.

The invention provides a motor vibration noise control method and system based on modal resonance frequency prediction, and belongs to the field of motor control. The method comprises the following steps: acquiring each order of intrinsic mode frequency of the permanent magnet motor; a cost function parameter, a current constraint condition and a control target are set, and a model prediction control method is adopted to drive an inverter to operate, specifically, the current operation state quantity of the permanent magnet motor is collected; predicting a state response in a future finite time domain based on the operation state quantity; constructing a value function, and evaluating and optimizing a state change result; and selecting an optimal voltage vector, generating a pulse signal to drive an inverter to execute, obtaining a motor high-frequency electromagnetic force wave distribution condition, comparing the motor high-frequency electromagnetic force wave distribution condition with the intrinsic mode frequency of the permanent magnet motor, and optimizing an optimal voltage vector selection logic. The problems that harmonic waves are concentrated and resonance is easily caused by a fixed switching frequency modulation method in the prior art, and a passive suppression method is high in cost and poor in flexibility are solved.

The invention provides a motor fault diagnosis method for unbalanced data in a noise environment based on a dual-scale network, and the method comprises the steps: collecting acceleration signals of motor vibration in a normal state and a fault state, and constructing a data set; building a fault diagnosis model based on a dual-scale network, wherein the fault diagnosis model comprises a wide convolution kernel 1D convolution module, an attention-based dual-scale module, a convolution-based feature fusion module, an attention 2D convolution layer and a classification module which are connected in sequence; based on the data set, using a category weighted loss function to train a fault diagnosis model based on a dual-scale network to obtain a trained fault diagnosis model; and inputting a motor vibration signal acquired in real time into the trained fault diagnosis model for fault diagnosis to obtain a fault type. According to the method, the influence of noise interference and uneven data on the neural network model is weakened by mining deep fault features and endowing different weights to the loss function.

The embodiment of the invention relates to the technical field of pipe testing, and discloses a pipe oxidation resistance testing system which comprises an oxidation resistance testing device. The oxidation resistance testing device comprises a first box body, a second box body, a water pump device and a testing assembly, the water pump device is arranged in the first box body, the testing assembly is arranged in the second box body, and the first box body and the second box body are arranged in a split mode. The testing assembly comprises a liquid storage tank, a heat preservation unit and a sample tube testing unit, the heat preservation unit is used for conducting heat preservation on the sample tube testing unit, and the sample tube testing unit comprises a connecting pipeline and testing clamps arranged at all testing points on the connecting pipeline; the test fixture is used for clamping the corresponding sample test tube and enabling the sample test tube to be communicated with the connecting pipeline. The test system provided by the embodiment of the invention adopts a module combination box type damping design, and is simple in overall structure, high in integration level and small in single occupied area. The split type design can effectively avoid the influence of motor vibration on the service life of the pipe in the testing process.

The invention relates to the technical field of motor diagnosis, and discloses a motor fault diagnosis method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining motor vibration noise big data; correlation analysis is carried out on the vibration noise big data, and parameters causing motor vibration noise faults and parameters of qualified motor vibration noise are screened out; obtaining a vibration noise data set containing the fault data set and the qualified data set; training a preset AI model based on the vibration noise data set to obtain an AI vibration noise diagnosis model; and acquiring a real-time vibration noise data set of the motor, and performing motor vibration noise fault diagnosis based on the real-time vibration noise data set and the AI vibration noise diagnosis model, so that a root cause of the motor vibration noise fault and a method for solving the problem can be directly given.

The invention discloses a unipolar motor based on magnetic pole modulation and harmonic slot collaborative optimization, which comprises a unipolar rotor punching sheet, the peripheral surface of the unipolar rotor punching sheet is provided with alternate first magnetic poles and second magnetic poles, the polarities of the first magnetic poles and the second magnetic poles are opposite, the periphery of the first magnetic poles is provided with a first arc, and the periphery of the second magnetic poles is provided with a second arc. The periphery of the first magnetic pole is provided with a first arc, the periphery of the second magnetic pole is provided with a second arc, the first arc and the second arc are concentrically arranged relative to the center of the unipolar rotor punching sheet, and the radius of the first magnetic pole is greater than that of the second magnetic pole, so that the air gap magnetic resistance is increased and the motor efficiency is ensured under the condition that the effective area of the air gap magnetic flux is not obviously changed; the amplitude of each order harmonic electromagnetic radial force caused by a rotor magnetic field is reduced, and the purpose of reducing the vibration noise of the motor is achieved. The motor has wide application prospects in the fields of new energy automobiles, aerospace, numerical control machine tools and the like, and the comfort and high-end quality of products can be effectively improved.

The invention relates to the technical field of motor manufacturing, and provides a motor abnormal sound detection method and device, and the method comprises the steps: obtaining a source vibration signal after a motor operates at a steady speed; determining a steady-speed vibration signal section of a motor steady-speed operation interval and a tail-speed vibration signal section of a tail-speed operation interval in the source vibration signal; based on the steady-speed vibration signal segment, determining all frequency multiplications of the steady-speed operation interval; and determining vibration characteristics at each frequency multiplication position in the tail speed vibration signal section, and judging that abnormal sound exists in the motor under the condition that the characteristic value of the vibration characteristic at any frequency multiplication position exceeds a characteristic threshold value. Because the abnormal sound of the motor is caused by the resonance characteristic at the frequency doubling position of the motor vibration signal, the abnormal sound of the motor can be accurately detected by detecting the number of order lines and / or resonance energy at the frequency doubling position of the tail speed vibration signal section of the motor tail speed operation interval, and the detection result has good consistency.

To provide a hand-held surgical system including a device, a depth measurement attachment and a controller.SOLUTION: The device includes a housing, and a motor positioned in the housing. The depth measurement attachment is detachably coupled to the device. The depth measurement attachment includes a first sensor configured so as to provide vibration signals related to vibration of the motor during drilling process, a second sensor configured so as to provide displacement signals related to displacement of a drill bit during drilling process, and a controller. The controller is configured so as to receive the vibration signals and the displacement signals. Also, the controller is configured to identify motor characteristic on the basis of the vibration signals and a penetration event on the basis of the motor characteristic and the displacement signals, by use of an algorithm.SELECTED DRAWING: Figure 1

The utility model discloses a feeder for accelerator production, which relates to the technical field of accelerators and comprises a fixing frame, a fixing frame is movably hinged to the inner wall of the fixing frame, a dispersing mechanism is arranged above the fixing frame and comprises a dispersing box, and the outer surface of the dispersing box is fixedly connected with the inner wall of the fixing frame. The upper surface of the dispersing box is fixedly connected with a rotating motor, the power output end of the rotating motor penetrates through the dispersing box and extends into the dispersing box, the power output end of the rotating motor is fixedly connected with a rotating shaft, and the inner wall of the dispersing box is fixedly connected with a dispersing cover. When the vibration motor vibrates, the vibration screen can be driven to shake, meanwhile, the springs can play a role in limiting the vibration screen when the vibration screen shakes, the falling condition is avoided, and under the action of the springs, the vibration screen can conveniently shake, so that raw materials on the surface of the vibration screen are rapidly driven to shake; therefore, the raw material dispersion quality can be further improved.

The present invention relates to a brushless motor controller fault diagnosis method, comprising the following steps: Step S1, diagnosing whether inverter circuits Q1, Q2, Q3, Q4, Q5, and Q6 are short-circuited; Step S2, diagnosing whether inverter circuit Q1 is controllable; Step S3, diagnosing whether inverter circuit Q3 is controllable; Step S4, diagnosing whether inverter circuit Q5 is controllable; Step S5, diagnosing whether inverter circuit Q2 is controllable and whether motor phase lines U and V are open-circuited; Step S6, diagnosing whether inverter circuit Q4 is controllable and whether motor phase lines V and W are open-circuited; Step S7, diagnosing whether inverter circuit Q6 is controllable and whether motor phase lines U and W are open-circuited. The present invention also provides a diagnostic device for implementing the diagnostic method. The diagnostic method proposed in the present invention completes the diagnosis before the motor is started. Regarding detecting whether the MOSFET is short-circuited, the present invention does not cause impact on the MOSFET, reduces motor vibration, and improves system reliability and diagnostic stability.

The utility model discloses a multi-station container corner casting mold, including a base, a vibration device is arranged on the top of the base, the vibration device includes a lower mold, a spring, a vibration motor, a lower shell, an upper shell and an upper mold, the lower shell is arranged above the base, a spring is fixedly connected between the outer wall of the lower shell and the inner wall of the base, and the spring is movably connected, and a vibration motor is fixedly connected to the bottom of the lower shell. The utility model relates to the technical field of multi-station container corner casting, through the cooperation between the vibration motor, the spring and the lower shell, after the slurry is injected into the upper mold and the lower mold, the vibration motor is started, and the vibration motor causes the upper shell and the lower shell to vibrate on the inner wall of the base under the action of the spring, thereby driving the slurry inside the upper mold and the lower mold to vibrate, which can remove bubbles on the surface of the slurry, and after cooling and molding, a better quality and more beautiful corner piece can be obtained.

The invention provides a dehydration control method of a novel energy-saving magnetic suspension turbine vacuum pump, which comprises the following steps: responding to a starting instruction, controlling the magnetic suspension turbine vacuum pump to start and operate, and monitoring a motor vibration value and a motor current of the magnetic suspension turbine vacuum pump in real time; judging whether the magnetic suspension turbine vacuum pump needs to execute a surge protection mode or not according to the motor amplitude and the motor current; controlling the magnetic suspension turbine vacuum pump to execute the surge protection mode under the condition that the judgment result is that the magnetic suspension turbine vacuum pump needs to start the surge protection mode; wherein the surge protection mode comprises the step of controlling the opening degree of an anti-surge valve according to the air inlet vacuum degree, the air inlet temperature, the outlet flow and the outlet pressure of the magnetic suspension turbine vacuum pump. The magnetic suspension turbine vacuum pump can be protected, and equipment overload, shutdown or damage caused by surge of the magnetic suspension turbine vacuum pump can be avoided.

The invention provides a motor driving method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a driving signal parameter of a driving signal corresponding to a current vibration period, and determining a driving stage of the current vibration period and a detection stage of a continuous driving stage; in the driving stage of the current vibration period, driving the motor to vibrate according to the driving signal, and in the detection stage of the current vibration period, obtaining the back electromotive force of the motor corresponding to the current vibration period; and according to the back electromotive force of the motor corresponding to the current vibration period, obtaining the driving signal frequency of the to-be-executed vibration period, and obtaining the driving stage of the to-be-executed vibration period and the detection stage following the driving stage. Through a real-time asynchronous closed-loop control mode, dynamic adjustment of driving signal parameters is realized, and the stability of motor vibration can be maintained when an external load changes.

The invention provides an intelligent control method and system for an induction bundle bag garbage can. According to the method, firstly, the spatial gradient of infrared data of a bag opening is improved through an optical enhancement assembly to generate an annular temperature distribution diagram; dividing urgent and slow levels based on the standing distance of the user, and dynamically intercepting a time domain analysis window; establishing a correlation mapping library of the plastic bag material thickness, the historical failure record and the palm acceleration; after an environment temperature compensation annular graph is combined, a rule decision module outputs a deformation risk index; according to the index and the acceleration peak value, reconstructing a barrel cover damping response function to execute anti-wrinkle opening and closing; and the tension distribution closed-loop correction damping function of the bundle ring is reversely deduced through the vibration characteristics of the motor, so that the anti-wrinkle closed-loop control of the bag opening is realized. Through closed-loop cooperation of infrared space gradient strengthening, user behavior grading response and tension real-time feedback, self-adaptive anti-wrinkle control over the garbage bag opening in the opening and closing process is achieved.

The invention belongs to the technical field of plastic particle multi-stage screening, and particularly relates to plastic particle multi-stage screening equipment which comprises a screening box, a vibration reduction base is arranged at the bottom of the screening box, a feeding nozzle is arranged at the upper end of the screening box, a vibration motor is arranged in front of the feeding nozzle, and the vibration motor is fixedly installed on the screening box. Three sets of screens are installed in the screening box at equal intervals, a discharging port is formed in the side, right opposite to the three sets of screens, of the screening box, a discharging assembly is arranged on one side of the discharging port, two sets of material guiding mechanisms are arranged in the screening box, and plastic particles are gathered to the uppermost ends of the screens through the guiding effect of material guiding plates; according to the plastic particle screening device, plastic particles are made to roll from the uppermost end to the lowermost end of the screen, it is ensured that the plastic particles can be fully screened through the screen, then a material guide plate is driven to move, the material guide plate can automatically rotate, the upper portion of the screen is shielded, and a worker can adjust the screening level of the plastic particles according to the actual situation.

The invention relates to the technical field of smashing and grinding treatment, in particular to chemical raw material grinding equipment and a fault detection method.The method comprises the steps that a target sequence segment is screened out according to the abnormal degree of a motor vibration data time sequence; based on a plurality of data of the motor and the grinding bin body in the operation process, obtaining interference time delay of the target sequence segment to vibration data of each motor, further calculating the probability that vibration of the motor is interfered by vibration of the grinding bin body, and obtaining a main target sequence segment from the target sequence segment; analyzing the motor vibration data in the main target sequence segment to obtain a fault component; according to the interference of each fault component on the grinding bin body, the severity of each fault component is obtained, and then a fault detection result is obtained. The probability that the vibration data of the motor is interfered by the vibration of the grinding bin body is obtained according to the correlation between the vibration data of different positions of the grinding bin body and the vibration data of the motor, and then the accuracy of motor fault detection is improved.

The invention relates to the technical field of motor testing, and discloses a new energy automobile motor testing device which comprises a base, an equipment box is installed on the base, performance testing equipment is arranged in the equipment box, the performance testing equipment is connected with an input shaft, the new energy automobile motor testing device further comprises a testing table, and a connecting frame is installed on one side of the testing table; a connecting cylinder is rotationally arranged in the connecting frame; according to the invention, the power of the output shaft of the motor can be stably transmitted to the input shaft of the performance test equipment through the self-adaptive transmission assembly, so that the power transmission between the motor and the input shaft is not affected by the bumping of the motor, and the performance test equipment can carry out precise test in the motor bumping simulation test process. In addition, in the process that the jolting assembly drives the motor on the test board to jolt up and down, the jolting assembly can test the performance parameters of the output shaft of the motor when the load exists through the weight of structures such as the test board and the like.

The invention relates to the technical field of motor test equipment, in particular to a test device for isolating generator vibration and a use method thereof. In order to solve the problems of insufficient external vibration isolation, structural adaptability, working condition adjustment flexibility, data acquisition precision and the like in the prior art, the invention provides the following technical scheme that the device comprises a base, a supporting platform is mounted above the base, a generator set is mounted at the top of the supporting platform, and a motor is mounted in the lower part of the supporting platform; a transmission shaft for connecting the motor and the generator set is arranged between the motor and the generator set; the supporting platform comprises a lower support in threaded connection with the base, and the lower support is fixedly connected with a plurality of sets of organic glass plates which are oppositely arranged through threads. External vibration interference can be effectively isolated, data accuracy is improved, the device is simple in structure and convenient to mount, adapts to different types of generators, can flexibly adjust working conditions, realizes integration of data acquisition and analysis, is wide in application scene, and improves test efficiency and reliability.

The utility model relates to the technical field of slag waste sorting, and discloses a slag waste sorting device which comprises a sorting box, a first vibration assembly is arranged between the two sides of the inner wall of the sorting box, and a first screening plate and a second screening plate are sequentially arranged on the first vibration assembly from top to bottom. And two mounting frames are fixedly connected between the two sides of the inner wall of the sorting box. According to the slag waste screening device, the first vibration assembly, the first screening plate, the second screening plate, the beating rod, the pushing plate, the first pushing assembly, the motor, the second vibration assembly, the third screening plate, the fourth screening plate, the second pushing assembly, the guide frame and other structures are used in cooperation, slag waste can be screened for multiple times, and therefore the situation that slag waste screening is not thorough enough is reduced; and the screening effect of the slag waste is improved, the situation that the slag waste needs to be screened subsequently is avoided, the labor amount of personnel is effectively reduced, and the subsequent processing efficiency of the slag waste is further improved.