CN201488847U - Fully automatic valve electric actuator test bench - Google Patents

Fully automatic valve electric actuator test bench Download PDF

Info

Publication number
CN201488847U
CN201488847U CN2009200477231U CN200920047723U CN201488847U CN 201488847 U CN201488847 U CN 201488847U CN 2009200477231 U CN2009200477231 U CN 2009200477231U CN 200920047723 U CN200920047723 U CN 200920047723U CN 201488847 U CN201488847 U CN 201488847U
Authority
CN
China
Prior art keywords
electric device
valve
motor
output
electric actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009200477231U
Other languages
Chinese (zh)
Inventor
项晓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2009200477231U priority Critical patent/CN201488847U/en
Application granted granted Critical
Publication of CN201488847U publication Critical patent/CN201488847U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The utility model discloses a fully automatic valve electric actuator test bench. An output end of a valve electric actuator is connected with a gear transmission box, the electric actuator test bench is provided with an industrial personal computer which is an information processing unit, and the information processing unit is respectively connected with the valve electric actuator and a motor through a signal circuit. By adopting the technical scheme, comprehensive test of various mechanical and electrical parameters of the valve electric actuator is realized by using a computer, if responded dynamic data is real-time, test of a plurality of items is automatically carried out, such as setting total stroke of the valve electric actuator and torque data in various conditions, the test result is accurate while adjustment control in the test process is realized, and data such as motor efficiency, electrical fitting transmission total efficiency and the like is further obtained by simulating various operation virtual conditions of the valve. The fully automatic valve electric actuator test bench provides important bases for design, manufacture and operation of the valves.

Description

Full-automatic electric device for valve testing table
Technical field
The utility model belongs to the technical field of valve examination test equipment, and specifically, the utility model relates to a kind of full-automatic electric device for valve testing table.
Background technology
At present, the testing apparatus that is adopted when the torque testing of electric device for valve adopts sensor to obtain the mechanics data,, electric device for valve is loaded the practical working situation of simulation valve by motor-driven.
Because valve and electric device thereof are to move under the duty of more complicated, the variation of its electrical parameter and mechanics parameter is quite complicated, influence mutually also is difficult for describing, if only use conventional sensor and corresponding register instrument thereof, display instrument, be difficult to complete, reflect the duty of electric device for valve quickly and accurately, and measured parameter carried out real-time analysis, judgement, more can't be implemented under the trystate the electric device of valve, motor-driven adjusting control.
Prior art is complete comprehensive, the practicable embodiment that well addresses the above problem of neither one also.
Summary of the invention
At the problems referred to above, the utility model provides a kind of full-automatic electric device for valve testing table, its objective is to adopt computer to realize every mechanics of electric device for valve, the full test of electrical parameter, and realizes the real-time regulated control of test process.
To achieve these goals, the technical scheme taked of the utility model is:
This full-automatic electric device for valve testing table provided by the utility model, be used for test to the mechanics and the electrical parameter of electric device for valve, described electric device for valve is by motor-driven, the output terminal of described electric device for valve is connected with gear, described electric device testing table is established industrial computer, described industrial computer is an information process unit, is connected with motor with described electric device for valve respectively by signal line.
For making the utility model more perfect, the technical scheme of more detailed and concrete valve torque continuous test device structure below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
On the transmission connection piece of described electric device for valve and motor, establish motor output torque sensor; On the transmission connection piece of the output terminal of described electric device for valve and described gear, establish electric device output torque sensor.
Described electric device testing table is established the multi-channel test signal amplifier, and described motor output torque sensor is connected with described multi-channel test signal amplifier by signal line with electric device output torque sensor; Described multi-channel test signal amplifier is connected with described industrial computer by the A/D traffic pilot.
Establish a pair of intermeshing output pulse transmission gear on the output terminal of described electric device for valve and the transmission connection piece of described gear, one of them output pulse transmission gear is a driving wheel, is connected with the input shaft of gear; Another output pulse transmission gear is a follower, is connected with the axle of pulse encoder; Described pulse encoder is connected with impulse meter by signal line; Described impulse meter is connected with described industrial computer by signal line.
The output terminal of described gear and charger are that the input shaft of powder clutch is connected; Described powder clutch is connected with the D/A output module by the Loading Control signal amplifier; Described D/A output module is connected with described industrial computer.
When described motor is an alternating current generator, establish voltage transmitter, current transducer and power factor (PF) transmitter on the driving circuit of described motor respectively, described voltage transmitter, current transducer and power factor (PF) transmitter are connected with described multi-channel test signal amplifier by signal line respectively.
Establish motor control module on the driving circuit of described motor, described motor control module is connected with described industrial computer by the I/O input/output module.
Second problem to be solved in the utility model is: the method for testing of above-described full-automatic electric device for valve testing table is provided, and its technical scheme is:
The output torque of A, the electric device output torque sensor measurement electric device for valve installed below by described electric device for valve; The output torque of the motor output torque sensor measurement motor of installing between described motor and the electric device for valve;
B, described electric device for valve are that vertical drive shaft links to each other with the input shaft of gear by transmission connection piece, gear is connected with powder clutch through speedup and with horizontal output shaft, the digital signal of industrial computer output is through the D/A of D/A output module conversion, obtain analog voltage signal, this signal converts the Control current signal of powder clutch to through the amplification of Loading Control signal amplifier, act on powder clutch, make powder clutch realize clutch, reach the purpose that Denso is steadily loaded;
C, can simulate various loading curves by the software programming of industrial computer;
D, industrial computer are controlled the motion of motor by I/O input/output module and motor control module, and the feedback signal of electric device for valve is sent to industrial computer;
E, the current conversion of motor is become simulating signal with current transducer, convert electric moter voltage to simulating signal with voltage transmitter, use the power factor (PF) transmitter, convert digital signal to by multi-channel test signal amplifier and A/D traffic pilot then and send into industrial computer;
F, transmission connection piece are that vertical drive shaft drives the pulse encoder rotation by a pair of output pulse transmission gear, obtain the pulse signal of the rotation of transmission connection piece, convert digital signal to by the pulse register and send into industrial computer;
G, go out motor output torque and electric device for valve output torque data according to the signal measurement of electric device output torque sensor and motor output torque sensor;
H, to measure transmission connection piece according to the signal of pulse encoder be the vertical drive shaft output shaft rotary speed parameter of number, electric device for valve of turn-taking, and then calculate the rotating speed of motor data according to the electric device for valve overall ratio;
I, the output shaft output power data that calculate electric device for valve according to the output shaft rotating speed and the output torque of electric device for valve;
J, calculate motor output mechanical power data according to motor output shaft rotating speed and output torque;
K, the electric current according to motor, voltage and power factor (PF) calculate the electric power data that motor is imported, and compare with the power transducer data;
L, according to above-mentioned data, further obtain the data of electric efficiency, electric device for valve transmission total efficiency.
The utility model adopts technique scheme, realize every mechanics of electric device for valve, the full test of electrical parameter with computer, reflection is real-time dynamic data, automatically carry out the test of multiple project, as the torque data under the electric device for valve total travel of adjusting, various state, test result is accurate, and the adjusting that realizes test process is controlled, the various virtual conditions of simulation valve operation, further obtain data such as electric efficiency, Denso transmission total efficiency, for supporting, the operation of design, manufacturing and the valve of electric device for valve provides important evidence.
Description of drawings
Below expressed content of the accompanying drawing of this instructions and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present utility model.
Be labeled as among the figure:
1, electric device for valve, 2, electric device output torque sensor, 3, motor, 4, motor output torque sensor, 5, transmission connection piece, 6, industrial computer, 7, the D/A output module, 8, the Loading Control signal amplifier, 9, powder clutch, 10, gear, 11, the multi-channel test signal amplifier, 12, the A/D traffic pilot, 13, pulse encoder, 14, impulse meter, 15, voltage transmitter, 16, current transducer, 17, the power factor (PF) transmitter, 18, motor control module, 19, the I/O input/output module, 20, output pulse transmission gear, 21, power transducer.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, be a kind of full-automatic electric device for valve testing table, be used for test to the mechanics and the electrical parameter of electric device for valve 1, described electric device for valve 1 is driven by motor 3, and the output terminal of described electric device for valve 1 is connected with gear 10.
The utility model generally can be applicable to: the electric device for valve test event of finishing prescribed by standard; Finish the test event that the valving scientific research institution needs.
The utlity model has following function:
When being used to finish the electric device for valve test event of standard code:
1, Denso output torque and output torque repeatable accuracy;
2, Denso output is turn-taked and is counted and export several repeatable accuracys of turn-taking;
3, Denso output locked-rotor torque test;
4, the Denso output speed is measured;
5, utilize the operation and the collection relevant data of industrial computer control Denso;
6, printout test figure and result;
7, other test events of standard code.
Be used for the test event that the electric device for valve scientific research institution needs
1, measures electric efficiency;
2, measure the total mechanical transmission efficiency of electric device;
3, measure the family curve of motor;
4, the loading curve of the various valves of simulation is to the Denso Effect on Performance.
In order to solve the problem that exists at the described present known technology of this instructions background technology part and to overcome its defective, realize adopting computer to realize the every mechanics to electric device for valve, the full test of electrical parameter and the goal of the invention that the adjusting of test process is controlled, the technical scheme of in the utility model proving installation being taked is:
As shown in Figure 1, this full-automatic electric device for valve testing table provided by the utility model, described electric device testing table is established industrial computer 6, and described industrial computer 6 is an information process unit, is connected with motor 3 with described electric device for valve 1 respectively by signal line.Adopting industrial computer 6 is that computer is realized every mechanics of electric device for valve 1, the full test of electrical parameter, what reflect is real-time dynamic data, automatically carry out the test of multiple project, as the torque data under the electric device total travel of adjusting, various state, test result is accurate, and the adjusting that realizes test process is controlled, the various virtual conditions of simulation valve operation, further obtain data such as electric efficiency, Denso transmission total efficiency, for design, manufacturing, the operation of valve and electric device thereof provides important evidence.
Described industrial computer 6 adopts general mini desktop computing machine, portable computer; Perhaps adopt special-purpose industrial computer, even can adopt programmable controller (PLC).
Utilize industrial computer 6 by-pass valve control electric devices 1 open and close, stop operation, and receive return signal (comprising out signals such as position, off-position, mistake moment of torsion) from electric device for valve 1; Utilize each electric parameters transducer, parameters such as the electric current of collection motor 3, voltage, active power, power factor (PF).
System software programming by industrial computer 6 can be simulated various loading curves.
System software is finished following function:
1, industrial computer is handled the electric device open and close, is stopped;
2, the electric device total travel of adjusting;
3, carry out " stroke repeatable accuracy " test automatically;
4, carry out " control moment repeatable accuracy " test automatically;
5, carry out " electric device mechanical efficiency " dynamic test automatically;
6, carry out " acceleration " test automatically excessively to the control torque influence;
7, carry out " parameter of electric machine " dynamic test automatically;
8, carry out " starting moment " test automatically;
9, carry out " locked-rotor torque " test automatically;
10, carry out " rotating speed " test automatically.
Be concrete exemplifying embodiment of the present utility model below, supply those skilled in the art's reference when implementing the utility model, use for reference:
Two torque sensors embodiment is set:
On the transmission connection piece of electric device for valve 1 described in the utility model and motor 3, establish motor output torque sensor 4; On the transmission connection piece 5 of the output terminal of described electric device for valve 1 and described gear 10, establish electric device output torque sensor 2.
Electric device for valve 1 and motor 3 and between a torque sensor is installed, i.e. motor output torque sensor 4 is used to measure the output torque of motor; Below the electric device for valve 1 with on the transmission connection piece 5 of gear 10 torque sensor is installed, i.e. electric device output torque sensor 2 is used to measure the output torque of electric device for valve 1.
Utilize non-contact type (contactless) torque sensor, read electric device for valve 1 and motor 3 output torques.Can measure motor output torque and Denso output torque according to the signal of two torque sensors.
The exemplifying embodiment of test signal amplifier:
Electric device testing table described in the utility model is established multi-channel test signal amplifier 11, and described motor output torque sensor 4 is connected with described multi-channel test signal amplifier 11 by signal line with electric device output torque sensor 2; Described multi-channel test signal amplifier 11 is connected with described industrial computer 6 by A/D traffic pilot 12.
The effect of multi-channel test signal amplifier 11 is that the simulating signal that each torque sensor, each transmitter transmit is amplified, and sends A/D traffic pilot 12 to, converts digital signal to by A/D traffic pilot 12, sends industrial computer 6 again to and handles.
Driving circuit signal tranmission techniques scheme:
Establish voltage transmitter 15, current transducer 16, power factor (PF) transmitter 17 and power transducer 21 on the driving circuit of motor 3 described in the utility model respectively, described voltage transmitter 15, current transducer 16, power factor (PF) transmitter 17 and power transducer 21 are connected with described multi-channel test signal amplifier 11 by signal line respectively.
The notion of transmitter is the instrument that measured signal is converted to the standard electric signal.Can directly tested major loop alternating current be converted to DC4~20mA of pressing linear scaling output as: current transducer and (, be transported to receiving trap (computing machine or Displaying Meter) continuously by 250 Ω resistance conversion DC1~5V or by the constant current ring standard signal of 500 Ω resistance conversion DC2~10V).And for example: voltage transmitter is a kind of device that converts tested alternating voltage, DC voltage, pulse voltage to wiring sex ratio output dc voltage or DC current and isolate output simulating signal or digital signal.Adopt common sensor voltage current signal, input voltage signal: 0~5V/0~10V/1~5V3, output current signal: 0~10mA, 0~20mA, 4~20mA4, output voltage signal: 0~5VDC, 0~10VDC, 1~5VDC.
Convert the current signal of motor 3 to simulating signal with current transducer 16; With voltage transmitter 15 voltage transitions of motor 3 is become simulating signal; Convert the power factor (PF) of motor 3 to simulating signal with power factor (PF) transmitter 17, with power transducer 21 power input to a machine is converted to and to simulate signal, convert digital signal to by multi-channel test signal amplifier 11 and A/D traffic pilot 12 then and send into industrial computer 6 and handle.
According to motor 3 electric current, voltage and power factor (PF) can calculate the electric power of the input of motor 3.
Industrial computer is to the control exemplifying embodiment of motor:
Establish motor control module 18 on the driving circuit of motor 3 described in the utility model, described motor control module 18 is connected with described industrial computer 6 by I/O input/output module 19.
Industrial computer 6 is by the motion of I/O input/output module 19 and motor control module 18 control motors 3, and the feedback signal of electric device for valve 1 is sent to industrial computer 6 handles.
Obtain the exemplifying embodiment of electric device for valve tach signal:
Establish a pair of intermeshing output pulse transmission gear 20 on the transmission connection piece 5 of the output terminal of electric device for valve 1 described in the utility model and described gear 10;
One of them output pulse transmission gear 20 is a driving wheel, is connected with the input shaft of gear 10; Another output pulse transmission gear 20 is a follower, is connected with the axle of pulse encoder 13;
Above-described pulse encoder 13 is connected with impulse meter 14 by signal line; Described impulse meter 14 is connected with described industrial computer 6 by signal line.
Utilize pulse encoder 13 and constitute absolute encoder, read the electric device run-length data in conjunction with the computer plug-in card; Can measure the parameters such as rotating speed of output shaft of turn-take number, electric device for valve 1 of the output shaft of electric device for valve 1 according to the signal of pulse encoder 13, and then calculate the rotating speed of motor 3 according to the Denso overall ratio.
Above-described transmission connection piece 5 is a vertical drive shaft, by 13 rotations of a pair of gear driven pulse encoder, converts digital signal to by impulse meter 14 and sends into industrial computer and handle 6.
According to the rotating speed of the output shaft of electric device for valve 1 and the output power that output torque can calculate electric device for valve 1.
According to the rotating speed of the output shaft of motor 3 and the output mechanical power that output torque can calculate motor 3.
Electric power according to the input of the output mechanical power of the output power of electric device for valve 1, motor 3 and motor 3 can further calculate the efficient of motor 3, the data such as transmission total efficiency of electric device for valve 1.
The exemplifying embodiment of add load control of the present utility model:
The input shaft of the output terminal of gear 10 described in the utility model and charger---powder clutch 9 is connected; Described powder clutch 9 is connected with D/A output module 7 by Loading Control signal amplifier 8; Described D/A output module 7 is connected with described industrial computer 6.
Electric device for valve 1 quickens the back by gear 10 and drives magnetic powder brake 9, utilizes magnetic powder brake 9 as charger, by industrial computer 6 controls, can simulate different load modes.
Electric device for valve 1 by transmission connection piece 5 promptly the vertical drive shaft among the figure link to each other with gear 10 input shafts, gear 10 is through speedup, and be connected with powder clutch 9 with horizontal output shaft, the digital signal of industrial computer 6 outputs is through 7 conversions of D/A output module, obtain analog voltage signal, this signal converts the Control current signal of powder clutch 9 to through amplification, acts on powder clutch 9, reaches the purpose that electric device for valve 1 is steadily loaded.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.

Claims (6)

1. full-automatic electric device for valve testing table, be used for the mechanics of electric device for valve (1) and the test of electrical parameter, described electric device for valve (1) is driven by motor (3), the output terminal of described electric device for valve (1) is connected with gear (10), it is characterized in that: described electric device testing table is established industrial computer (6), described industrial computer (6) is an information process unit, is connected with motor (3) with described electric device for valve (1) respectively by signal line.
2. according to the described full-automatic electric device for valve testing table of claim 1, it is characterized in that: on the transmission connection piece of described electric device for valve (1) and motor (3), establish motor output torque sensor (4); On the transmission connection piece (5) of the output terminal of described electric device for valve (1) and described gear (10), establish electric device output torque sensor (2).
3. according to the described full-automatic electric device for valve testing table of claim 2, it is characterized in that: described electric device testing table is established multi-channel test signal amplifier (11), and described motor output torque sensor (4) is connected with described multi-channel test signal amplifier (11) by signal line with electric device output torque sensor (2); Described multi-channel test signal amplifier (11) is connected with described industrial computer (6) by A/D traffic pilot (12).
4. according to the described full-automatic electric device for valve testing table of claim 3, it is characterized in that: establish voltage transmitter (15), current transducer (16), power factor (PF) transmitter (17) and power transducer (21) on the driving circuit of described motor (3) respectively, described voltage transmitter (15), current transducer (16), power factor (PF) transmitter (17) and power transducer (21) are connected with described multi-channel test signal amplifier (11) by signal line respectively.
5. according to claim 1 or 2 or 3 or 4 described full-automatic electric device for valve testing tables, it is characterized in that: establish motor control module (18) on the driving circuit of described motor (3), described motor control module (18) is connected with described industrial computer (6) by I/O input/output module (19).
6. according to claim 1 or 2 or 3 or 4 described full-automatic electric device for valve testing tables, it is characterized in that: establish a pair of intermeshing output pulse transmission gear (20) on the transmission connection piece (5) of the output terminal of described electric device for valve (1) and described gear (10), one of them output pulse transmission gear (20) is a driving wheel, is connected with the input shaft of gear (10); Another output pulse transmission gear (20) is a follower, is connected with the axle of pulse encoder (13); Described pulse encoder (13) is connected with impulse meter (14) by signal line; Described impulse meter (14) is connected with described industrial computer (6) by signal line.
CN2009200477231U 2009-07-09 2009-07-09 Fully automatic valve electric actuator test bench Expired - Fee Related CN201488847U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200477231U CN201488847U (en) 2009-07-09 2009-07-09 Fully automatic valve electric actuator test bench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200477231U CN201488847U (en) 2009-07-09 2009-07-09 Fully automatic valve electric actuator test bench

Publications (1)

Publication Number Publication Date
CN201488847U true CN201488847U (en) 2010-05-26

Family

ID=42427720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200477231U Expired - Fee Related CN201488847U (en) 2009-07-09 2009-07-09 Fully automatic valve electric actuator test bench

Country Status (1)

Country Link
CN (1) CN201488847U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101943636A (en) * 2009-07-09 2011-01-12 项晓明 Test bench of full automatic valve electric device and test method thereof
CN102426072A (en) * 2011-10-18 2012-04-25 中冶京诚工程技术有限公司 Moment testing machine of permanent magnet transmission system and method thereof
CN110411503A (en) * 2018-04-28 2019-11-05 深圳控石智能系统有限公司 A kind of electric device detection device
CN115219833A (en) * 2022-08-03 2022-10-21 蚌埠日月仪器研究所有限公司 Valve driving device test information acquisition system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101943636A (en) * 2009-07-09 2011-01-12 项晓明 Test bench of full automatic valve electric device and test method thereof
CN102426072A (en) * 2011-10-18 2012-04-25 中冶京诚工程技术有限公司 Moment testing machine of permanent magnet transmission system and method thereof
CN102426072B (en) * 2011-10-18 2013-10-16 中冶京诚工程技术有限公司 Moment testing machine of permanent magnet transmission system and method thereof
CN110411503A (en) * 2018-04-28 2019-11-05 深圳控石智能系统有限公司 A kind of electric device detection device
CN115219833A (en) * 2022-08-03 2022-10-21 蚌埠日月仪器研究所有限公司 Valve driving device test information acquisition system
CN115219833B (en) * 2022-08-03 2024-04-16 蚌埠日月仪器研究所有限公司 Experimental information acquisition system of valve drive device

Similar Documents

Publication Publication Date Title
CN101943636A (en) Test bench of full automatic valve electric device and test method thereof
CN203643175U (en) Electric wheel hub motor testing stand
CN105571648B (en) A kind of multi-function robot joint Performance Test System
CN201724813U (en) Static torsional test bed for driving shaft
CN201488847U (en) Fully automatic valve electric actuator test bench
CN106324499A (en) Dynamic performance test device for linear rotating motor and testing method
CN107314906B (en) A kind of automobile electro-mechanical brake system experimental bench
CN102735445A (en) Device for measuring gearbox transmission precision based on double servo motors
CN104569647A (en) System and method for testing performance of frequency changer
CN104266838A (en) Electromagnetic slip clutch performance test bench
CN107490763A (en) The load simulation experimental rig and method of a kind of low-speed big permanent-magnet drive system
CN103411715A (en) Torque motor resistance moment testing system
CN108122470A (en) A kind of rote teaching comprehensive control experiment porch
CN105811844B (en) A kind of servo-drive system inertia variable control method and device
CN109946602A (en) A kind of robot servo motors performance testing device
CN207318087U (en) Harmonic speed reducer comprehensive test system
CN106441869A (en) Device for testing transmission accuracy of general transmission mechanisms
CN103345158B (en) Ventilation disk brake testing table and electric inertia simulation control method thereof
CN107942726B (en) Magnetic suspension ball rod system semi-physical simulation experiment platform based on rapid model
CN105891713A (en) Variable load and variable inertia control method of servo motor test platform
CN202403910U (en) Comprehensive test device for harmonic transmission performances
CN107314905B (en) Simulation actuator of automobile electronic braking system
CN105974309A (en) System for automatically testing motor parameters
CN202281693U (en) Drive axle load test-bed
CN202149826U (en) Electric servo controller device test-bed

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Huangshan Liangye Valve Co., Ltd.

Assignor: Xiang Xiaoming

Contract record no.: 2011340000112

Denomination of utility model: Test bench of full automatic valve electric device and test method thereof

Granted publication date: 20100526

License type: Exclusive License

Record date: 20110711

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100526

Termination date: 20100709