CN201302606Y - Complex load condition simulation and performance testing device of servo system - Google Patents
Complex load condition simulation and performance testing device of servo system Download PDFInfo
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- CN201302606Y CN201302606Y CNU2008201785343U CN200820178534U CN201302606Y CN 201302606 Y CN201302606 Y CN 201302606Y CN U2008201785343 U CNU2008201785343 U CN U2008201785343U CN 200820178534 U CN200820178534 U CN 200820178534U CN 201302606 Y CN201302606 Y CN 201302606Y
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Abstract
The utility model relates to a servo system load simulation device and a servo system performance testing device, and belongs to the technical field of the detecting and automation. The utility model integrates three methods, the inertia loading, the servo motor loading and the spring loading, and achieves seven loading ways through the separate loading, combined loading of two methods or simultaneous loading of the three loading methods. Therefore, the utility model can simulate various load conditions, such as the inertia load, elastic load, unbalanced load, impact load, time-varying load and the combination of a plurality of loads. Moreover, the utility model transmits the acquired signals of the tested servo system, torque speed sensor and angle sensor to a computer for processing, thereby realizing the static and dynamic performance tests of the servo system under the conditions with different loads.
Description
Technical field
The utility model relates to a kind of servo-drive system load simulating device and servo-drive system performance testing device, belongs to detection technique and technical field of automation.
Background technology
The servo-drive system load simulating device is the visual plant of emulation experiment, and major function is the environment of simulation real work under laboratory condition, to being applied by test system and the corresponding load of actual condition, thereby reflects the actual performance of servo-drive system truly.The suffered load of the servo-drive system of using under different operating modes is very complicated, comprise inertia load, elastic load, unbalance load, the time varying duty and impact load etc.
At present, the general load mode that adopts of load simulation system is: mechanical type loading, electro-hydraulic servo loading, electromagnetism loading and motor loading etc.It is reliable operation that mechanical type loads major advantage, and simple in structure, shortcoming is to realize the continually varying loading spectrum, and can not on-stream loading or adjustment load.Electro-hydraulic servo loads can realize continuous loading, and the frequency band broad, and output load moment is big, but has that the hydraulic power source volume is big, power consumption and noise be big, is easy to generate shortcomings such as unnecessary moment.The electromagnetism loading equipemtn mainly contains magnetic hysteresis dynamometer machine and magnetic powder brake etc., and major advantage is that the range of speeds is wide, and control is convenient, braking moment is big, can realize automation mechanized operation etc., shortcoming is the phenomenon that does not add load when having low speed, and occurs the phenomenon of magnetic " stuck " easily.Main at present direct current generator or the torque motor of adopting of motor loading equipemtn, direct current generator exists armature supply big as loading element, and power loss is big, because the existence of commutator, to " moment of forward and backward " inconvenience is provided.Adopt torque motor as loading element, relative broad range moment can be provided, response speed is very fast.But above-mentioned load mode all exists load mode single, can not simulate the shortcoming of multiple load, can not realize continually varying load as mechanical load, motor loads just can not simulate inertia load, and general inertia load maintainer adopts the inertia dish to load, reach the purpose that changes inertia by size and the quality that changes the inertia dish, can not realize that inertia changes continuously.
Summary of the invention
The utility model purpose is to provide a kind of servo-drive system complex load behavior simulation and performance testing device in order to solve the single problem of above-mentioned load maintainer load mode.
The utility model device combines the inertia loading, servomotor loads and spring loads three kinds of modes, can realize that three kinds of load mode independent loads, combination in twos load or load simultaneously totally 7 kinds of array modes, can simulate multiple load behavior, as inertia load, elastic load, unbalance load, impact load, the time varying duty and multiple load combination.
The purpose of this utility model is achieved through the following technical solutions:
A kind of servo-drive system complex working condition analogue means that the utility model proposes comprises tested servo-drive system, torque speed sensor, driving-chain, change inertia load maintainer, speed reduction unit, servomotor load maintainer, spring-feel mechanism and angular transducer.
Tested servo-drive system is the tested object of servo-drive system complex working condition analogue means, can be the rotary servovalve system that is made of motor, pump or motor etc., also can be servomotor;
Torque speed sensor is used for directly measuring the output torque and the rotating speed of tested servo-drive system, is used to test the static and dynamic performance of tested servo-drive system; Simultaneously, can constitute power, speed closed loop, be used for studying servo-drive system control algolithm under complex load behavior by torque speed sensor.
Driving-chain is used for forming a branch branch line on the transmission main line, comprises tested servo-drive system, torque speed sensor, speed reduction unit, servomotor load maintainer and spring-feel mechanism on the transmission main line, and the transmission branched line comprises change inertia load maintainer; The driving-chain ratio of gear can be adjusted according to required inertia, when when big, being adopted the speedup mode by the required inertia of test system; Driving-chain can be synchronous pulley mechanism, gear case or pulley mechanism.
Become the inertia load maintainer and comprise fixed part and slipper, fixed part comprises stiff end support, driving-chain output shaft, stiff end connecting rod support, stiff end connecting rod, inertia body; Slipper comprises sliding end connecting rod, sliding end connecting rod support, sliding end bearing, sliding end rotating shaft, slide rail; The rotating part that becomes the inertia load maintainer comprises driving-chain output shaft, stiff end connecting rod support, stiff end connecting rod, inertia body, sliding end connecting rod and sliding end connecting rod support, is used to simulate the continually varying inertia load; Wherein, the stiff end support is used to support the driving-chain output shaft, the stiff end connecting rod support connects and the driving-chain output shaft fixed connection by key, the stiff end connecting rod is connected with gudgeon on the stiff end connecting rod support by hinged mode, the stiff end connecting rod other end is by the fixing inertia body of pin, the sliding end connecting rod is connected on the gudgeon at stiff end connecting rod middle part by hinged mode, the other end of sliding end connecting rod also is connected with sliding end bearing gudgeon by articulated manner, sliding end bearing and housing washer adopt interference fit, bearing inner race and sliding end axle also adopt interference fit, make bearing on the sliding end axle, to rotate and keep the sliding end axle not rotate, the sliding end axle is installed on the sliding end bearing by flat key, the sliding end rest base is an oat tail groove structure, acme thread is left at the middle part, promote the sliding end bearing by leading screw and slide on slide rail, the slide rail both sides are equipped with clamping screw, locate with clamping screw after the sliding end bearing moves into place; Become inertia mechanism and realize that inertia continually varying course of action is: when sliding end bearing band sliding end connecting rod support and sliding end connecting rod and moved in slide rail, the sliding end connecting rod support promotes stiff end connecting rod and the motion of inertia body, the formed opening angle of connecting rod and rotating shaft opens thereupon or dwindles, the inertia physique heart is also changed apart from the rotating shaft center, thereby continuous variation can take place in moment of inertia; The length of the quantity of inertia body, quality and connecting rod can design according to actual inertia variation range needs; In addition, can adopt manual mode to promote slipper, also can adopt automated manner to promote slipper.
Speed reduction unit is used to reduce the speed of main transmission circuit.
The servomotor load maintainer comprises servomotor, servomotor transmission shaft, servomotor bearing and motor servo driver, be used to simulate impact load, the time varying duty and realize initiatively loading; Wherein, servomotor is installed on the servomotor bearing, and servomotor transmission shaft and servo motor stator are interference fit, and transmission shaft is by the speed reduction unit on the shaft coupling connection main transmission circuit, and motor servo driver provides power supply and drive signal for servomotor; Servomotor load maintainer servomotor is cartridge type or both-end output shaft type servomotor, can be direct current generator or alternating current generator.
Spring-feel mechanism comprises big retarding ratio speed reducer, spring-feel mechanism projecting shaft, rocking arm, spring, spring spool and pretension bolt, is used to simulate elastic load, unbalance load; Wherein, big retarding ratio speed reducer input end connects the servomotor transmission shaft, output terminal connects the spring-feel mechanism projecting shaft; rocking arm is by being bolted on the projecting shaft; a spring is respectively overlapped in the both sides of rocking arm lower end; the other end of spring is fixed in the spring spool, the initial pretightning force of the pretension bolt regulating spring by being installed in the sleeve two ends; The purpose of big retarding ratio speed reducer is further to reduce the rotating speed of main transmission circuit, is used to simulate the loading condition of the slow-speed of revolution, little slewing area, high pulling torque output servo-drive system.
Angular transducer is used to gather the angle position signal of spring-feel mechanism projecting shaft, constitutes the position closed loop system, carries out the research of servo-drive system complex load behavior upper/lower positions control algolithm;
Tested servo-drive system (or servomotor) connects torque speed sensor by shaft coupling, the output of torque speed sensor connects the input shaft of driving-chain by shaft coupling, by driving-chain drive line is divided into two-way, the main transmission circuit is along original drive path direction, connection reducer, shaft coupling, servomotor load maintainer and spring-feel mechanism successively; Another road connects change inertia load maintainer.
The utility model device combines the inertia loading, servomotor loads and spring loads three kinds of modes, can realize that three kinds of load mode independent loads, combination in twos load or load simultaneously totally 7 kinds of load modes, can simulate multiple load behavior, as inertia load, elastic load, unbalance load, impact load, the time varying duty and multiple load combination etc.Below be the combined situation of various load modes:
First kind of load mode is that inertia loads, becoming inertia mechanism is added in the main transmission circuit by driving-chain, be used to realize the load of simulated inertia continually varying, the driving-chain output terminal connect become inertia mechanism partly disconnect (as belt is taken off) and can cancel the inertia load mode;
Second kind of load mode is that servomotor loads, servomotor produces moment of torsion according to the motor servo driver command signal on servo motor rotor, transmit moment of torsion by the servomotor transmission shaft, the realization servomotor loads, be used to simulate impact load, the time varying duty and realize initiatively loading; When the motor no power, can cancel servomotor and load;
The third load mode is that spring loads, and when rocking arm off-center position, rocking arm is received the pressure of a side spring and the pulling force of opposite side spring, produces moment of torsion on the spring-feel mechanism projecting shaft, and is loaded on the main transmission circuit by the big retarding ratio speed reducer; Bolt on the rocking arm unclamped just can cancel spring and load;
The 4th kind of load mode is that inertia loads and servomotor loads, and disconnects spring-feel mechanism, becomes inertia mechanism and servomotor load maintainer and load simultaneously;
The 5th kind of load mode is that inertia loads and spring loads, and disconnects the servomotor load maintainer, becomes inertia mechanism and spring-feel mechanism and load simultaneously;
The 6th kind is spring loading and servomotor loading, disconnects becoming the inertia load maintainer, and loads servomotor load maintainer and spring-feel mechanism simultaneously;
The 7th kind is that inertia load, spring load and servomotor loads, and loads simultaneously to become inertia load maintainer, servomotor load maintainer and spring-feel mechanism.
When the magnetic powder brake that servomotor is replaced with cartridge type, and outfit magnetic powder brake bearing and controller, wherein magnetic powder brake is fixed on the magnetic powder brake bearing, the internal diameter of magnetic powder brake and transmission shaft adopt interference fit, controller sends command signal control magnetic powder brake and transmits moment of torsion to transmission shaft, can realize that magnetic powder brake loads.
The utility model also provides a kind of servo-drive system performance testing device, gathers the torque speed sensor signal, is used to test the static and dynamic performance of tested servo-drive system under the different loads operating mode.Simultaneously, the utility model also constitutes power, speed or position closed loop control system by torque speed sensor or angular transducer, can study servo-drive system control algolithm under complex load behavior.
Beneficial effect
The utility model is compared with existing charger, have following advantage: (1) the utility model device combines inertia and loads, servomotor loads and spring loads three kinds of modes, can realize three kinds of load mode independent loads, combination in twos loads or loads simultaneously totally 7 kinds of array modes, can simulate multiple load behavior, as inertia load, elastic load, unbalance load, impact load, the time varying duty and multiple load combination etc., overcome the single shortcoming of existing charger load mode, can satisfy servo-drive system loading needs under the multiple complex load behavior; (2) the utility model device can be simulated the load of continually varying inertia, has the characteristics of load controlled amount, loading bandwidth; (3) the utility model device is by measuring signals such as tested servo-drive system moment of torsion, rotating speed, angle, can test the static and dynamic performance of servo-drive system under the different loads operating mode, also can constitute position or power control closed-loop system, can be used for studying servo-drive system control algolithm under complex load behavior.
Description of drawings
Fig. 1 is the composition block scheme of servo-drive system complex load behavior simulation and performance testing device;
Fig. 2 is the three-dimensional machinery structural drawing of a kind of embodiment of servo-drive system complex load behavior simulation device;
The tested motor of 1-among the figure, the tested motor output end support of 2-, 3-shaft coupling A, the 4-torque speed sensor, 5-shaft coupling B, 6-driving-chain input shaft, the 7-driving-chain, the 8-reducer stent, the 9-speed reduction unit, 10-shaft coupling C, the 11-servomotor, 12-servomotor bearing, 13-big retarding ratio speed reducer, 14-spring-feel mechanism bearing, the 15-angular transducer, 16-stiff end bearing, 17-driving-chain output shaft, 18-stiff end connecting rod support, 19-stiff end connecting rod, 20-inertia body, 21-sliding end connecting rod, 22-sliding end connecting rod support, 23-sliding end bearing, the 24-slide rail, 25-positioning and locking bolt, the 26-worm screw, the 27-bearing circle, 28-spring pretension bolt, the 29-spring spool, the 30-spring, 31-spring loading structure projecting shaft, the 32-rocking arm.
Embodiment
The physical construction and the course of work below in conjunction with description of drawings the utility model device.
In conjunction with the accompanying drawings 1, the solid line coupling part represents that servo-drive system complex load behavior simulation device forms block scheme among the figure.Servo-drive system complex load behavior simulation device is made up of tested motor, torque speed sensor, driving-chain and change inertia load maintainer, speed reduction unit, servomotor load maintainer, spring-feel mechanism and angular transducer.Combine inertia loading, servomotor loading and spring and load three kinds of modes, can realize that three kinds of load mode independent loads, combination in twos load or load simultaneously totally 7 kinds of load modes, can simulate multiple load behavior, as inertia load, elastic load, unbalance load, impact load, the time varying duty and multiple load combination etc.Wherein, the motor load maintainer be used to simulate impact load, the time varying duty, and realize initiatively loading; Spring-feel mechanism is used to simulate the load behavior of small angle variation scope, comprises elastic load, unbalance load; Become the inertia load that inertia mechanism is used to simulate continuous variable, driving-chain can be synchronous pulley, gear case or belt gear pair, can realize that by the ratio of gear that changes driving-chain little quality system simulates big inertia system.
Servo-drive system performance testing device composition block scheme is represented in the dotted line coupling part among Fig. 1.Signals collecting and conditioning module are gathered tested servo-drive system, torque speed sensor, angular transducer signal, send into computing machine and handle, and can be implemented in servo-drive system static and dynamic performance test under the different loads operating mode.In addition, can constitute power, speed and position closed loop, can realize the servo-drive system closed-loop control, research servo-drive system control algolithm under the different loads operating mode by torque speed sensor or angular transducer.
Introduce the embodiment of a kind of embodiment of servo-drive system complex working condition load simulating device below in detail according to Fig. 2:
Tested motor 1 is installed on the tested electric machine support, output connects torque speed sensor 4 by shaft coupling A3, torque speed sensor 4 outputs connect synchronous pulley 7 through shaft coupling B5 by driving-chain input shaft 6, and the output of synchronous pulley 7 connects change inertia load maintainer.Simultaneously, synchronous pulley input shaft 6 outputs to speed reduction unit 9, and speed reduction unit 9 outputs connect the servomotor transmission shaft by shaft coupling C10, connect spring-feel mechanism after the output of servomotor transmission shaft.
In order to realize that servomotor and spring-feel mechanism load simultaneously, servomotor 11 adopts cartridge type, the stator of servomotor transmission shaft and servomotor 11 is an interference fit, the servomotor transmission shaft by Bearing Installation at servomotor bearing 12, one end connects shaft coupling C10, and the other end is received the input end of big retarding ratio speed reducer 13.
Become the inertia load maintainer and comprise stiff end bearing 16, synchronous pulley output shaft 17, stiff end connecting rod support 18, stiff end connecting rod 19, inertia body 20, sliding end connecting rod 21, sliding end connecting rod support 22, sliding end bearing 23, slide rail 24, positioning and locking bolt 25, worm screw 26, bearing circle 27 compositions.Wherein pivotable parts comprises driving-chain output shaft 17, stiff end connecting rod support 18, stiff end connecting rod 19, inertia body 20, sliding end connecting rod 21, sliding end connecting rod support 22, sliding end bearing 23, slide rail 24, positioning and locking bolt 25, worm screw 26 and bearing circle 27;
Wherein, stiff end support 16 is used to support synchronous pulley output shaft 17, stiff end connecting rod support 18 is connected by key and synchronous pulley output shaft 17, stiff end connecting rod 19 is connected with gudgeon on the stiff end connecting rod support 18 by hinged mode, stiff end connecting rod 19 other ends are by the fixing inertia body 20 of pin, sliding end connecting rod 21 is connected on the gudgeon at stiff end connecting rod 19 middle parts by hinged mode, the other end of sliding end connecting rod 21 also is connected by the gudgeon of articulated manner with sliding end bearing 22, housing washer adopts interference fit on sliding end bearing 22 and the sliding end axle, bearing inner race and sliding end axle also adopt interference fit, make sliding end bearing 22 on axle, to rotate and keep the sliding end axle not rotate, the sliding end axle is installed on the sliding end bearing 23 by flat key, sliding end bearing 23 bottoms are oat tail groove structure, acme thread is left at the middle part, promoting sliding end bearing 23 by leading screw 26 slides on slide rail 24, the end of leading screw is equipped with bearing circle 27, slide rail 24 both sides are equipped with clamping screw 25, locate with clamping screw 25 after sliding end bearing 23 moves into place;
Become inertia mechanism and realize that inertia continually varying course of action is: when steering wheel rotation 27, when leading screw 26 promotion sliding end bearings 23 are being with sliding end connecting rod support 22 and sliding end connecting rod 21 to move in slide rail 24, sliding end connecting rod 21 promotes stiff end connecting rod 19 and 20 motions of inertia body, stiff end connecting rod 19 opens thereupon or dwindles with synchronous pulley output shaft 17 formed angles, inertia body 20 barycenter are also changed apart from synchronous pulley output shaft 17 centers, thereby continuous variation can take place in moment of inertia; Slide rail is marked with the inertia scale, after sliding end bearing 23 moves to desired location, carries out locking positioning with the clamping screw 25 of slide rail 24 both sides; The length of the quantity of inertia body, quality and connecting rod can design according to actual inertia variation range needs.
The motor load maintainer is made up of servomotor 11, servomotor bearing 12 and motor servo driver, servomotor 11 is fixed on the servomotor support 12, its stator is by servomotor transmission shaft connection reducer 9 and big retarding ratio speed reducer 13, by the servomotor load maintainer can simulate damping loads, impact load, the time varying duty etc., realize simultaneously initiatively loading.
Spring-feel mechanism comprises big retarding ratio speed reducer 13, spring-feel mechanism bearing 14, spring-feel mechanism projecting shaft 31, rocking arm 32, spring 30, and spring spool 29 and pretension bolt 28 are formed.Wherein, big retarding ratio speed reducer 13 is fixed on the spring-feel mechanism bearing 14, input end connects the servomotor transmission shaft, output terminal connects spring-feel mechanism projecting shaft 31; rocking arm 32 is by being bolted on the projecting shaft; a spring 30 is respectively overlapped in the both sides of rocking arm 32 lower ends, and the other end of spring 30 is fixed in the spring spool 29, the initial pretightning force of pretension bolt 28 regulating springs by being installed in spring spool 29 two ends; Spring-feel mechanism loads course of action: when rocking arm 32 off-center positions; rocking arm 32 is subjected to the pressure of a side spring 30 and the pulling force of opposite side spring 30; apply moment of torsion to axle 31 by rocking arm; reach simulation elastic force and out-of-balance force and load effect, the initial snap-in force of spring can be regulated by pretension bolt 28.
Present embodiment combines the inertia loading, servomotor loads and spring loads three kinds of modes, can realize three kinds of load mode independent loads, combination loading in twos or loading simultaneously totally 7 kinds of array modes, introduces the specific implementation process of various load modes below in detail:
First kind of load mode is that inertia loads, and becomes inertia mechanism and is added in the transmission main line by synchronous pulley 7, is used to realize the load of simulated inertia continually varying, the belt of synchronous pulley 7 taken off can disconnect the inertia load maintainer;
Second kind of load mode is that servomotor loads, servomotor 11 produces moment of torsion according to the motor servo driver command signal on servo motor rotor, transmit moment of torsion by the servomotor transmission shaft, the realization servomotor loads, be used to simulate impact load, the time varying duty and realize initiatively loading; When the motor no power, the servomotor load maintainer is then inoperative;
The third load mode is that spring loads, when rocking arm 32 off-center positions, rocking arm 32 is received the pressure of a side spring 30 and the pulling force of opposite side spring 30, on spring-feel mechanism projecting shaft 31, produce moment of torsion, and be loaded on the main transmission circuit by big retarding ratio speed reducer 13; Bolt on the rocking arm 32 unclamped just can disconnect spring and load;
The 4th kind of load mode is that inertia loads and servomotor loads, and disconnects spring-feel mechanism, becomes inertia mechanism and servomotor load maintainer and load simultaneously;
The 5th kind of load mode is that inertia loads and spring loads, and disconnects the servomotor load maintainer, becomes inertia mechanism and spring-feel mechanism and load simultaneously;
The 6th kind is spring loading and servomotor loading, disconnects becoming the inertia load maintainer, and loads servomotor load maintainer and spring-feel mechanism simultaneously;
The 7th kind is that inertia load, spring load and servomotor loads, and loads simultaneously to become inertia mechanism, servomotor load maintainer and spring-feel mechanism.
When the magnetic powder brake that servomotor 11 is replaced with cartridge type, and outfit magnetic powder brake bearing and controller, wherein magnetic powder brake is fixed on the magnetic powder brake bearing, the internal diameter of magnetic powder brake and transmission shaft adopt interference fit, controller sends command signal control magnetic powder brake and transmits moment of torsion to transmission shaft, can realize that magnetic powder brake loads.
Claims (1)
1, servo-drive system complex load behavior simulation and performance testing device, comprise tested servo-drive system, torque speed sensor, driving-chain, speed reduction unit and angular transducer, it is characterized in that also comprising becoming inertia load maintainer, servomotor load maintainer, spring-feel mechanism, wherein: become inertia load maintainer, spring-feel mechanism and the servomotor load maintainer can load separately, combination in twos loads or loads simultaneously;
Become the inertia load maintainer and comprise fixed part and slipper, fixed part comprises stiff end support, driving-chain output shaft, stiff end connecting rod support, stiff end connecting rod, inertia body; Slipper comprises sliding end connecting rod, sliding end connecting rod support, sliding end bearing, sliding end rotating shaft, slide rail; Wherein, the stiff end support is used to support the driving-chain output shaft, the stiff end connecting rod support connects and the driving-chain output shaft fixed connection by key, the stiff end connecting rod is connected with gudgeon on the stiff end connecting rod support by hinged mode, the stiff end connecting rod other end is by the fixing inertia body of pin, the sliding end connecting rod is connected on the gudgeon at stiff end connecting rod middle part by hinged mode, the other end of sliding end connecting rod also is connected with sliding end bearing gudgeon by articulated manner, sliding end bearing and housing washer adopt interference fit, bearing inner race and sliding end axle also adopt interference fit, the sliding end axle is fixed on the sliding end bearing by key, make the sliding end connecting rod support on the sliding end axle, to rotate and keep the sliding end axle not rotate, the sliding end rest base is an oat tail groove structure, acme thread is left at the middle part, promote the sliding end bearing by leading screw and slide on slide rail, the slide rail both sides are equipped with clamping screw, locate with clamping screw after the sliding end bearing moves into place; Become the inertia load maintainer and be installed between torque sensor and the speed reduction unit, be connected with the driving-chain input shaft by driving-chain;
Become inertia mechanism and realize that inertia continually varying course of action is: when sliding end bearing band sliding end connecting rod support and sliding end connecting rod and moved in slide rail, the sliding end connecting rod support promotes stiff end connecting rod and the motion of inertia body, connecting rod and the formed angle of driving-chain output shaft are opened thereupon or are dwindled, the inertia physique heart is also changed apart from the rotating shaft center, thereby continuous variation can take place in moment of inertia; The length of the quantity of inertia body, quality and connecting rod designs according to actual inertia variation range needs; In addition, can adopt manual mode to promote slipper, also can adopt automated manner to promote slipper;
The servomotor load maintainer comprises servomotor, servomotor transmission shaft, servomotor bearing and motor servo driver; Wherein, servomotor is installed on the servomotor bearing, and servomotor transmission shaft and servo motor stator are interference fit, and transmission shaft is by the speed reduction unit on the shaft coupling connection main transmission circuit, and motor servo driver provides power supply and drive signal for servomotor; Servomotor is cartridge type or both-end output shaft type servomotor, can be direct current generator or alternating current generator; When the magnetic powder brake that servomotor is replaced with cartridge type, and outfit magnetic powder brake bearing and controller, wherein magnetic powder brake is fixed on the magnetic powder brake bearing, the internal diameter of magnetic powder brake and transmission shaft adopt interference fit, controller sends command signal control magnetic powder brake and transmits moment of torsion to transmission shaft, can realize that magnetic powder brake loads; The servomotor load maintainer is installed between speed reduction unit and the spring-feel mechanism;
Spring-feel mechanism comprises big retarding ratio speed reducer, spring-feel mechanism projecting shaft, rocking arm, spring, spring spool and pretension bolt, and initial tension of spring is regulated by pretension bolt; Spring-feel mechanism is installed on servomotor load maintainer rear end by the servomotor transmission shaft.
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| CNU2008201785343U CN201302606Y (en) | 2008-10-31 | 2008-10-31 | Complex load condition simulation and performance testing device of servo system |
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| CN101477174B (en) * | 2008-10-31 | 2011-01-12 | 北京理工大学 | Complex load behavior simulation and performance test apparatus for servo system |
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| CN101477174B (en) * | 2008-10-31 | 2011-01-12 | 北京理工大学 | Complex load behavior simulation and performance test apparatus for servo system |
| CN102175444A (en) * | 2011-02-17 | 2011-09-07 | 中国航空工业集团公司西安飞机设计研究所 | Device for measuring load of multiple throttle rods |
| CN102323548A (en) * | 2011-05-27 | 2012-01-18 | 北京配天大富精密机械有限公司 | Load simulation test equipment, load simulation test method and control device |
| CN108663147A (en) * | 2012-10-12 | 2018-10-16 | 国际计测器株式会社 | Torque given unit, driving device and Tire testing device |
| CN103543028A (en) * | 2013-11-04 | 2014-01-29 | 江苏汇尔豪电机科技有限公司 | Servo motor performance test device and test system thereof |
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