200 results about "Balance test" patented technology

The invention relates to the technical field of detection structures, in particular to a machine tool spindle dynamic balance testing device which comprises an eccentric vibration unit and an amplitude detection unit, the eccentric vibration unit can drive a shaft body to vibrate, and the amplitude detection unit can detect the vibration amplitude of the shaft body; the eccentric vibration unit comprises a supporting ring installed on the shaft body and a rotating body eccentrically rotating on the supporting ring. The shaft body is made to be static, the shaft body is driven to vibrate through rotation vibration of the eccentric vibration unit, and therefore the amplitude of the shaft body can be increased under the condition that the center of gravity of the shaft body deviates, and whether dynamic balance of the shaft body is qualified or not can be judged by detecting whether the amplitude meets the requirement or not. Therefore, the danger in the operation process is greatly reduced, and a safer, simpler, more convenient and more efficient dynamic balance test solution for the machine tool spindle can be provided.

The invention relates to the field of dynamic balance testing, in particular to a dynamic balance testing device for a coupler. The device comprises a mounting seat, a power motor, a supporting seat, a controller, a counterweight mechanism and a magnetic attraction linkage mechanism, a vibration sensor is arranged at the top end of the mounting seat, and two ends of the to-be-tested coupler are respectively connected with the output end of the power motor and the rotating shaft; the counterweight mechanism comprises a plurality of groups of counterweight components which are coaxially arranged on the rotating shaft at equal intervals; the counterweight assembly comprises a counterweight ring which is rotatably arranged on the rotating shaft and is provided with a slide way distributed parallel to the central shaft, a slide block which is slidably arranged at the slide way and is provided with a groove at the outer end, an iron block arranged in the groove, and a limiting mechanism which is arranged in the slide way and is used for limiting the sliding range of the slide block; the magnetic attraction linkage mechanism comprises an electromagnet and a linkage assembly. And a position adjusting mechanism and a direction adjusting mechanism are arranged on the supporting seat. The balance weight assembly with the needed weight can be conveniently called, and time and labor are saved.

The invention relates to the technical field of dynamic balance testing, in particular to a magnetic suspension fan impeller dynamic balance testing device which comprises a supporting table, a speed adjusting mechanism used for adjusting the speed of a belt is arranged in the middle of the top of the supporting table, and a lateral clamping mechanism used for laterally clamping and fixing an impeller rotor is arranged on the left side of the middle of the top of the supporting table. The right side of the top of the supporting table is fixedly connected with a second end fixing mechanism, and the left side of the top of the supporting table is slidably provided with a first end fixing mechanism. Through arrangement of the end fixing mechanisms, the rotating disc and the lateral clamping mechanism, multi-stage clamping and fixing of an impeller rotor are achieved, the clamping stability is improved, and the test error is reduced; when the lateral clamping mechanism carries out radial clamping on the impeller rotor, axial limiting and radial crimping are carried out on the belt driving the impeller rotor to rotate at the same time, the belt is prevented from slipping, the influence of belt slipping on a dynamic balance test result is avoided, and the test accuracy is improved.

The utility model belongs to the field of testing devices, and particularly relates to a ship balance testing device, which comprises a device main body, the inner wall of the device main body is provided with a swing structure, the swing structure comprises a rotating shaft, the surface of the rotating shaft is arranged on the inner wall of the device main body, the surface of the rotating shaft is fixedly connected with the surface of a pointer rod, and the pointer rod is fixedly connected with the device main body. The surface of the pointer rod is provided with positioning teeth, and the inner wall of the pointer rod is fixedly connected with a fluorescent strip. According to the ship balance testing device, when a swing structure needs to be adjusted according to a ship body, if the ship body is small, a handle is pulled towards two ends, so that the handle pulls a fixed block to be separated towards two ends, a reed is compressed, and the balance weight pendulum is pushed upwards, thereby reducing a force arm of a pointer rod, and enabling the swing amplitude of the pointer rod to be small; if the ship body is large, the balance weight pendulum is pulled down, so that the force arm of the pointer rod is increased, the swing amplitude of the pointer rod is large, and the detection precision of the detection device is improved.

The invention discloses a dynamic balance test de-weighting device, and relates to the technical field of dynamic balance test. The invention discloses dynamic balance test de-weighting equipment which comprises a machine base, a carrying mechanism which can ascend and descend and is arranged on the machine base in a mode of rotating around the axis direction of the carrying mechanism, and a driving mechanism used for driving the carrying mechanism to move, and a plurality of machining stations are arranged on the peripheral side of the carrying mechanism. A conveying mechanism, at least one testing mechanism and at least one weight removing mechanism are arranged on each machining station, and the carrying mechanism can sequentially pass through the machining stations in the movement process of the carrying mechanism. According to the dynamic balance test de-weight equipment, each mechanism on the dynamic balance test de-weight equipment can respectively bear the rotary body workpiece and test and de-weight the rotary body workpiece in the moving process of the carrying mechanism, so that the dynamic balance test de-weight efficiency is greatly improved; and meanwhile, all the mechanisms can be integrated into an integral structure through the carrying mechanism, so that the use cost is saved, and the occupied area of the equipment is reduced.

The invention relates to a motor rotor dynamic balance test adjusting device, and relates to the technical field of motor rotors, the motor rotor dynamic balance test adjusting device comprises an operation table, and the upper surface of the operation table is provided with a dynamic balance test assembly, a moving assembly, a turn-milling assembly and a clamping assembly. By designing the moving assembly, the turn-milling assembly and the clamping assembly and adopting a separated layout, the operation space is expanded, metal scraps can be prevented from splashing and accumulating in a narrow space in the turn-milling process to influence equipment operation, the detection precision is improved, brush rollers on the two sides of a linkage cutting opening rotate in the turn-milling process, and the detection precision is improved. According to the technical scheme, scraps are continuously prevented from splashing, the side face of the rotor is cleaned, meanwhile, the rotor can be rotated according to the position of an unbalance point, the turning and milling pressing assembly is matched to achieve turning and milling of any part of the outer side face of the rotor, the coverage area of the turning and milling unbalance point is greatly enlarged, the recheck qualification rate is increased, the recheck frequency is reduced, and then the dynamic balance testing efficiency is improved.

The invention relates to the technical field of dynamic balance testing, in particular to an inclined vibration balance testing system and method for a 4D platform seat, and the system comprises a vibration detection system, a bolt, an elastic ball, a fixing assembly, a fixing plate, an anti-falling assembly, and a sliding wire plate. The vibration detection system comprises a rack, a vibration controller and a vibration platform, and the vibration platform is provided with a segmented spiral groove and a working cavity; clamping grooves are formed in the bottom ends of the bolts; the elastic ball is placed at the bottom end of the working cavity, a fixing assembly is arranged above the elastic ball, a fixing plate is arranged on the fixing assembly, and the elastic ball drives the fixing plate to slide into the clamping groove to lock the bolt through the fixing assembly; a screw groove is formed in the fixing assembly, an anti-falling assembly is arranged above the fixing assembly, a thread sliding plate is arranged on the inner side of the circumference of the anti-falling assembly, an arc-shaped groove matched with the screw groove is formed in the thread sliding plate, and the fixing assembly drives the thread sliding plate to be separated from the screw groove through the anti-falling assembly. And the stability of the detection effect is ensured.

The invention relates to the technical field of circuit breaker detection, in particular to a balance adjustment testing device for a magnetic control pole-mounted circuit breaker with integrated primary and secondary equipment, which comprises a pole-mounted circuit breaker box body, a pole pile body fixedly connected to the upper surface of the pole-mounted circuit breaker box body, and a pole column mechanism positioned in the pole pile body, the pole column mechanism comprises a static contact fixed on the inner top wall of the pole pile body and a movable contact right below the static contact. According to the invention, through the arrangement of the detection mechanism, balance test, opening and closing time, opening and closing response speed and through-flow data during closing can be carried out on the circuit breaker, so that the service life and safety detection of the circuit breaker on the magnetic control column can be ensured; the contact rod can be driven to be in contact with the contact sensor at the same time, so that the response speed and the time of opening and closing can be calculated by calculating the contact time and the number of times of contact and then converting with the starting time.

The invention discloses a bidirectional spring pressure balance detection method and system, and relates to the technical field of balance testing, and the method comprises the steps: obtaining a bidirectional spring pressure test table, and deploying a bidirectional spring test device; controlling the bidirectional loading mechanism to acquire a spring loading test data flow through the sensor array according to the bidirectional spring pressure test meter; testing for multiple times to obtain a spring pressure balance detection data set; and performing multi-dimensional evaluation on the spring pressure balance detection data set based on a spring balance performance evaluation standard, and determining a bidirectional spring pressure balance performance detection result. The technical problems that the performance of the two-way spring in the two-way stress state cannot be comprehensively evaluated and the pressure balance performance detection precision is insufficient due to the fact that the pressure change of the two-way spring in the forward and reverse loading process is difficult to accurately monitor in real time in the existing spring pressure balance detection process are solved. The technical effect of improving the accuracy and reliability of the detection result of the pressure balance performance of the bidirectional spring is achieved.

The utility model provides a vertical dynamic balancing machine with a weighing function, which comprises a fixed table, a dynamic balancing system and a weighing system, and is characterized in that the dynamic balancing system comprises a base and a main shaft module; the weighing system comprises a weighing sensor and a clamping assembly, a lifting seat is arranged on the fixed table, the weighing sensor is provided with a fixed end and a sensing end, the fixed end of the weighing sensor is connected with the lifting seat, and the sensing end of the weighing sensor is suspended on the lifting seat; the dynamic balance system is arranged at the upper part of the sensing end of the weighing sensor; the clamping assembly comprises a clamping plate and clamping mechanisms oppositely arranged on the two sides of the dynamic balance system, the clamping plate is connected with the base, and the clamping mechanisms are used for clamping the two ends of the clamping plate to fix the dynamic balance system. According to the utility model, the problem that the operation steps are tedious because the weight detection link and the dynamic balance test link of the workpiece to be detected in the existing production process need to be operated separately can be solved.

The invention discloses a system and method for detecting the rotation strength of an aircraft blade runner plate, and relates to the technical field of mechanical detection, and the system comprises a static balance and dynamic balance test module which carries out the static balance test and dynamic balance test of the aircraft blade runner plate; the static balance control module compares the static balance state data before and after the installation of the stress piece, and adjusts the installation of the stress piece according to the comparison result; the dynamic balance control module compares the dynamic balance state data before and after the installation of the stress piece, adjusts the installation of the stress piece according to the comparison result, and judges the correlation between each component of the vibration signal and the vibration signal before the installation of the stress piece; and the rotation intensity detection module is used for removing components which are weakly related to the vibration signals before the stress sheet is installed, obtaining new vibration signals after reconstruction, and detecting the rotation intensity through the new vibration signals, so that the interference of the mass of the sensor on the accuracy of a rotation intensity detection result is reduced, and the overall detection precision is improved.

A dynamic-balance test method for a rigid rotor includes: acquiring a counterweight influence coefficient library, initial vibration swing data and an initial vibration vector; determining an initial test weight mass and an initial test weight phase according to the initial vibration swing data and the counterweight influence coefficient library, and triggering a speed increase test according to the initial test weight mass and the initial test weight phase to obtain a target vibration vector; determining a target configuration influence coefficient according to the initial vibration vector, the target vibration vector and the initial test weight mass; calculating a residual vibration swing value; and determining a target test weight adjustment scheme according to the residual vibration swing value, a rotor operation vibration standard, a target test weight mass and a target test weight phase.

The utility model discloses a rotor dynamic balance testing device, which relates to the field of testing devices and comprises a base, a support is fixedly arranged at the top end of the base, a fixing assembly used for fixing a rotor is arranged at the top end of the support, a motor is fixedly arranged at the top end of the base, and a driving cover is fixedly arranged at the top end of an output shaft of the motor. An electromagnet is fixedly arranged on the inner wall of the driving cover, a driving disc is arranged in the driving cover, and an iron protrusion is fixedly arranged at the outer end of the driving disc. The motor drives the electromagnet on the inner wall of the driving cover, the electromagnet drives the driving disc to rotate under the action of magnetic force, and the driving disc drives the fixing assembly and the rotor fixed on the fixing assembly through the connecting shaft. The vibration of the motor in the working process does not affect the driving disc or the rotor, so that the testing precision of the rotor is improved.

The invention relates to the technical field of dynamic balance testing, in particular to a generator dynamic balance testing device which is configured to be capable of performing dynamic balance testing on a rotor of a generator and comprises a testing platform, a supporting assembly, a limiting synchronous belt and a belt wheel assembly. The support assembly is arranged on the test platform and is configured to support the rotor to rotate; the limiting synchronous belt is arranged on the test platform, a closed motion loop is formed on the test platform, and the belt wheel assembly is arranged on the test platform and is configured to enable the limiting synchronous belt to form the closed motion loop; the limiting synchronous belt is provided with a fixed section, and the outer side of the fixed section wraps the top of the rotor and is in friction contact with the rotor when the fixed section is used, so that when the rotor rotates, the rotor can be externally restrained through the fixed section, stable supporting conditions needed by dynamic balance testing are guaranteed, and the accuracy of a testing result is guaranteed.

The invention belongs to the technical field of dynamic balance test, and discloses a balancing machine automatic test system for dynamic balance of a rotating body, which comprises a trial operation setting module for setting the rotating speed of a driving shaft in a trial operation stage of a balancing machine and marking the rotating speed as a trial operation rotating speed; the first acquisition module is used for collecting environment data of the balancing machine, and the preprocessing module is used for carrying out feature extraction on the environment data to obtain environment feature data; the model building module is used for collecting point cloud data of the to-be-detected rotating body in the operation stage and building a three-dimensional model of the to-be-detected rotating body according to the point cloud data; the second acquisition module is used for acquiring the centrifugal force of the to-be-detected rotating body when the rotating speed of the driving shaft reaches the pilot running rotating speed; the high-precision balance test is realized by automatically adjusting the calibration parameters of the balancing machine, incomplete or wrong manual input data is avoided, human intervention is effectively reduced, and the calibration efficiency and precision are improved.

The invention belongs to the technical field of balance testing devices, and particularly relates to a sports basketball equipment balance testing device and a method thereof.The sports basketball equipment balance testing device comprises a testing base, a testing table is arranged at the top of the testing base, and a plurality of supporting legs are fixedly connected between the bottom of the testing table and the top of the testing base; and test supporting plates are arranged on the two sides of the test board. When a balance test is carried out on the barbell, two ends of the barbell are placed on the base plates at the tops of the two translation plates respectively, then the centering device is started, and when the centering device makes contact with the two ends of the barbell, the barbell can be located in the middle of the test board under the action of the centering device; therefore, measurement errors caused by the fact that the barbell is not located in the middle are avoided, then the balance of the barbell can be rapidly and accurately judged by observing the readings on the display screens of the two gravity sensors, and guidance suggestions are provided for subsequent production.

The present invention relates to the field of dynamic balancing test, and in particular to a positioning device and method for dynamic balancing test of hollow gears. The device includes a positioning seat, a positioning gear, a laser drill and an inner peripheral positioning cylinder. A through hole is set at the center of the positioning seat, and is fixed to the end of the test shaft through the through hole sleeve. An outer peripheral positioning component and a balance correction component are set on the outer periphery of the positioning seat; the positioning gear is detachably set on the outer peripheral positioning component; the laser drill is set on the balance correction component; the inner peripheral positioning cylinder is rotatably connected to the test shaft through a through hole, and an inner peripheral positioning component is set on the inner peripheral positioning cylinder. The present invention sets an outer peripheral positioning component, an inner peripheral positioning component, a balance correction component, a positioning gear and a laser drill to cooperate to synchronously position the inner and outer sides of the hollow gear. While the positioning is stable, the rotation correction of the hollow gear can be adjusted, so that the balance test can be carried out while timely correcting and verifying the balance, so that the test content is rich, the function is compact, and the operation is efficient.

The invention relates to the technical field of game testing, and discloses a multi-mode game balance testing method and device.The method is applied to a balance testing platform and comprises the steps that a testing requirement corresponding to a current game item is determined; the test requirements comprise a test game mode, test mode setting parameters and a test object; generating multiple groups of test data meeting the test requirements according to the test requirements; when multiple test game modes exist, the test data comprises test data of each test game mode; generating antagonism data corresponding to each group of test data according to test requirements based on a set data generation algorithm; based on a test simulation algorithm, performing a balance test on each test task to obtain a test result; each test task comprises one group of test data and antagonism data corresponding to the test data. According to the game balance testing method and device, the game balance testing efficiency can be improved, and meanwhile the accuracy of the game balance testing result is improved.

The invention relates to the technical field of dynamic balance testing of rotating machinery, and discloses a dynamic balance state testing system based on equipment operation data, which comprises a synchronous sampling module, a fundamental frequency vector analysis module and an influence coefficient self-adaptive calibration module, the synchronous sampling module collects key phase pulses and original vibration signals of the rotating equipment; a fundamental frequency vector analysis module extracts an instantaneous rotating speed and a real-time fundamental frequency vibration vector; the influence coefficient self-adaptive calibration module stores a weight matrix representing rotor supporting characteristics, monitors a rotating speed fluctuation variance, corrects the weight matrix according to complex deviation of a vibration vector when the variance exceeds a preset threshold value, solves a net unbalance vector of the controlled rotating equipment, and outputs the net unbalance vector. According to the method, the rotating speed micro fluctuation in the operation process is used as an excitation increment source, and the sensitivity model reflecting the rotor bearing characteristics is constructed, so that the dynamic balance test gets rid of the limitation of adding a physical test weight, and the online test requirement under the continuous working condition is met.

The invention belongs to the technical field of impeller detection, and provides an air floating type clamping tool and impeller dynamic balance testing device.The air floating type clamping tool comprises an outer fixing sleeve, a first air inlet connecting hole, a second air inlet connecting hole and a third air inlet connecting hole are formed in the outer fixing sleeve, and an inner mounting cylinder is fixedly mounted in the outer fixing sleeve; a wheel shaft sleeve is mounted in the inner mounting cylinder through an end cover and a locking pressing ring; an outer end face groove is formed in the side, away from the wheel shaft sleeve, of the end cover. The first air inlet connecting hole communicates with the outer end face groove through a first airflow channel. In a test state, the wheel shaft sleeve and the middle part of the wheel shaft of the impeller are encircled to form a middle cavity, and the second air inlet connecting hole is communicated with the middle cavity through a second airflow channel; a plurality of blowing holes are formed in the inner walls of the top and the bottom of the wheel shaft sleeve. The third air inlet connecting hole communicates with the blowing holes through a third airflow channel. According to the invention, the dynamic balance test precision of the impeller is higher, secondary damage possibly caused to the impeller in the test process is avoided, and the test efficiency of the impeller is greatly improved.

The application discloses a motor rotor dynamic balance test system and method, comprising: arranging an acceleration sensor and an encoder, collecting vibration, angular position signal and current signal; establishing a multi-resonance phase-locked loop, outputting a de-bouncing phase and an angular position sequence, forming a phase reference; angular domain resampling and sparse harmonic decomposition, extracting complex amplitude and generating observation and working condition data; complex value reversible flow model reverse mapping, combining constraint processing, outputting target counterweight instruction; target counterweight instruction injection virtual correction, calculating vibration decline rate, dynamically optimizing counterweight instruction; physical correction and recheck, archiving working condition label, counterweight instruction and recheck result after passing. The application realizes intelligent detection and correction of motor rotor dynamic balance by fusing multi-resonance phase-locked loop and complex value reversible flow model, and is free of test weight, high in precision and capable of multi-working condition.

The application discloses a positioning clamp for testing a generator set, belongs to the technical field of dynamic balance measurement testing, and is provided with a production conveying belt and a switching conveying belt. A dynamic balance testing structure is arranged below the switching conveying belt. The dynamic balance testing structure comprises a testing table. Opposite surfaces of the testing table are provided with vertical guide rails. Surfaces of the vertical guide rails are provided with horizontal plates. Positioning rotary shafts are arranged on both sides of the center of the upper surfaces of the horizontal plates. Clamping rods are fixedly connected to the surfaces of the positioning rotary shafts. The testing table is further provided with positioning plates. The positioning plates are rotated to drive the horizontal plates to move towards each other. The generator set positioning swing can be above the center of the testing table. Balance assemblies are arranged on the lower surfaces of the four corners of the testing table. The balance assemblies comprise bearing bodies. The bearing bodies are swung up and down to drive the pressure changes of positive pressure sensors and side pressure sensors. The dynamic balance of the four corners of the generator set can be tested at the same time. The continuity and stability of the dynamic balance testing work are improved. The dynamic balance testing effect is improved.

The present invention relates to the field of turbine rotor detection technology, specifically to a turbine rotor dynamic balance test device based on multi-sensor detection, including a support seat installed on the outside of a turbine bearing seat, an outer ring is provided on the top of the support seat, a sensor outer frame is movably connected to the inner side of the outer ring, and an auxiliary component is provided on the top of the support seat. The present invention provides a turbine rotor dynamic balance test device based on multi-sensor detection, which has an arc frame that rotates along the outer ring, and the guide rails and internal structures connected thereto will approach or move away from the main shaft directly connected to the turbine rotor. When the main shaft rotates eccentrically, its motion trajectory will touch the nearby contact wheel, and the flat plate connected thereto will slide along the guide rail to push the pressure sensor outside the sensor bracket, and an alarm can be triggered at this time to prompt surrounding personnel to take measures such as shutdown maintenance in time.

The utility model relates to the technical field of balance test fixtures, in particular to a gyrorotor dynamic balance test fixture which comprises a U-shaped base, fixing plates are arranged at the tops of two side arms of the base, a second screw hole is formed in the outer end of a boss, a sliding groove is formed in the inner end of the boss, an adjusting rod is arranged in the second screw hole, and a clamping seat is arranged at the inner end of the adjusting rod. A rotor is matched between the two clamping seats; according to the gyroscope rotor dynamic balance test clamp, the base with the fixing plate is arranged, external screws penetrate through the fixing holes to be combined and fixed with the corresponding dynamic balancing machine, the base can be conveniently and rapidly combined and fixed, the adjusting rod with the clamping seat is rotationally connected with the boss on the base, the clamping seat is provided with the shaft groove, and the shaft groove is clamped in the shaft groove. The device can be conveniently inserted and matched with a rotating shaft of a rotor needing to be tested, the two clamping seats realize distance adjustment matching under the rotation matching of the adjusting rod, the rotors with different widths can be stably clamped and matched, and the position of the adjusting rod is fixed through a positioning bolt under the action of friction force.

The utility model discloses a dynamic balance testing device, which belongs to the technical field of dynamic balance testing devices and comprises a base. The mounting seat is movably arranged on the top surface of the base; the two first clamping assemblies are movably arranged on the side, away from the base, of the mounting base correspondingly, and the first clamping assemblies are suitable for clamping the circular shaft; the driving assembly is connected with the two first clamping assemblies, and the driving assembly is suitable for driving the two first clamping assemblies to move towards or away from each other; the testing machine is arranged on the top surface of the base, and the mounting seat selectively moves towards or away from the testing machine. According to the dynamic balance testing device designed by the utility model, the position of the first clamping assembly is automatically adjusted, the clamping speed of the circular shaft is accelerated, the overall dynamic balance testing efficiency is improved, a synchronous control mechanism ensures that the two sides of the circular shaft are uniformly stressed, the measurement error caused by too tight or too loose single side is avoided, and the measurement accuracy is improved. Certainly, the situation that the two first clamping assemblies are independently adjusted can be avoided, and the clamping speed of the circular shaft is further increased.

The present invention relates to the field of vibration testing technology, and in particular to a vibration balance testing device for a high-flow-rate pressure pipeline unit, comprising a pipeline support adjustment assembly horizontally mounted on the top of an existing test bench, pipeline support test units are respectively mounted on the top of each sliding seat on the pipeline support adjustment assembly, both sides of the middle curved pipe section of the pressure pipeline unit to be tested respectively pass through the pipeline support test units at their corresponding positions, the feed end and the discharge end of the pressure pipeline unit are respectively connected to external matching pipelines, when the liquid flow parameters of the liquid medium inside the pressure pipeline unit change. The high-flow-rate pressure pipeline unit vibration balance testing device in the present invention can complete the collection of vibration conditions during the simulated operation of the pipeline under different installation position states for the early installation of the high-flow-rate pressure pipeline, and effectively provide a basis for the subsequent actual installation of the pipeline.

The invention discloses a motor rotor dynamic balance test system and method, and the method comprises the steps: arranging an acceleration sensor and an encoder, and collecting vibration and angular position signals and current signals; establishing a multi-resonance phase-locked loop, outputting a de-jitter phase and an angular position sequence, and forming a phase reference; carrying out angular domain resampling and sparse harmonic decomposition, extracting a complex amplitude and generating observation and working condition data; performing reverse mapping on the complex value countercurrent model, and outputting a target counterweight instruction in combination with constraint processing; virtual correction is injected into the target counterweight instruction, the vibration drop rate is calculated, and the counterweight instruction is dynamically optimized; and performing physical correction and reinspection, and archiving a working condition label, a counterweight instruction and a reinspection result after qualification. According to the method, the multi-resonance phase-locked loop and the complex value countercurrent model are fused, so that test-weight-free, high-precision and multi-working-condition intelligent detection and correction of dynamic balance of the motor rotor are realized.

The application relates to an assembling method of a dynamic balance test tool and the dynamic balance test tool. The assembling method of the dynamic balance test tool comprises the following steps: processing initial raw materials to form a balance mandrel; the balance mandrel is gradually increased in outer diameter from one end to the other end, so that small-diameter ends and large-diameter ends are formed at the two ends of the balance mandrel; a part to be tested is provided, and the part to be tested is formed with a through hole; the small-diameter end of the balance mandrel is inserted into the through hole, the small-diameter end is in clearance fit with the through hole of the part to be tested, the balance mandrel is guided without resistance; an insertion force F is continuously applied in the axial direction, so that the surface of the balance mandrel is attached to part of the through hole, and the axial displacement of the balance mandrel is prevented; and the overall vibration amplitude of the balance mandrel and the part to be tested is detected to verify the stability of the assembly between the balance mandrel and the part to be tested and the absence of additional unbalance.

The utility model relates to the technical field of dynamic balance, and discloses a dynamic balance testing device of a magnetic suspension bearing, which comprises a testing cabinet and a pair of couplings, one side of the upper surface of the testing cabinet is fixedly provided with a servo motor through a support frame, and the other side of the upper surface of the testing cabinet is fixedly provided with an electric slide rail. A top shaft is rotationally installed on the upper side of a sliding table of the electric sliding rail through a supporting frame. A tensioning assembly used for installing a shaft sleeve is arranged between the couplings, the end, away from the tensioning assembly, of one coupling is connected with an output shaft of the servo motor, the end, away from the tensioning assembly, of the other coupling is connected with a center shaft, and the center shaft and the top shaft are assembled in an inserted mode. The upper surface of the test cabinet is provided with a clamping assembly used for clamping a magnetic suspension bearing stator. According to the utility model, the magnetic suspension bearing assembly relation in practical application can be rapidly completed, after the servo motor rotates the shaft sleeve and the stator applies an acting force on the shaft sleeve, the dynamic balance test can be completed through the vibration sensor, and the test precision and the correction precision are higher.

The utility model discloses an integral casting type high-speed three-dimensional flow impeller dynamic balance testing device, which comprises a base, a sliding plate is arranged on the base, a support is fixedly connected to the upper surface of the sliding plate, a reinforcing rib plate is arranged on the support, a bracket is fixedly connected to the upper surface of the support, a mounting seat is arranged on the bracket, and the mounting seat is fixedly connected to the upper surface of the sliding plate. A roller frame is fixedly connected to the upper surface of the mounting seat, and a supporting roller is arranged on the roller frame; a motor is arranged on the base, a power arm is arranged on the motor, a winding drum is fixedly connected to the lower surface of the power arm, a winding rope is arranged in the winding drum, and the winding rope is detachably connected with a lifting hook. By means of the device, the reinforcing rib plate is connected with the support, the strength of the three-dimensional flow impeller is improved, the three-dimensional flow impeller is more stable, the supporting idler wheel is connected with the fixing shaft, the three-dimensional flow impeller is easier to rotate and higher in speed, and a larger three-dimensional flow impeller can be hung more easily through the hanging hook.