CN108414934B

CN108414934B - Auxiliary symmetrical speed reducer test bed electric control system and working method thereof

Info

Publication number: CN108414934B
Application number: CN201810263569.5A
Authority: CN
Inventors: 薛寓怀
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-28
Filing date: 2018-03-28
Publication date: 2020-10-13
Anticipated expiration: 2038-03-28
Also published as: CN108414934A

Abstract

The invention discloses an electric control system of an auxiliary symmetric speed reducer test bed, which comprises a power distribution cabinet unit, an auxiliary control cabinet unit, an electric control cabinet unit, a speed reducer test platform and a sensor unit, wherein the power distribution cabinet unit provides power for the auxiliary control cabinet unit, the electric control cabinet unit and the speed reducer test platform, the electric control cabinet unit provides power for the sensor unit, and radial and axial loading devices are arranged on the speed reducer test platform for communication among the power distribution cabinet unit, the auxiliary control cabinet unit and the electric control cabinet unit through PROFIBUS. The auxiliary test speed reducer symmetrically arranged with the main test speed reducer is used for testing, data monitoring is carried out through various sensors, a power distribution cabinet can provide a system power supply, a soft starter and a frequency converter are arranged inside the auxiliary test speed reducer, starting and speed regulation of a motor can be guaranteed, an electric control cabinet unit is used for controlling a test bench, and an auxiliary electric control cabinet is arranged to assist the electric control cabinet in carrying out data monitoring on the test bench.

Description

Auxiliary symmetrical speed reducer test bed electric control system and working method thereof

Technical Field

The invention belongs to the field of electrical control, and particularly relates to an electrical control system of an auxiliary symmetric speed reducer test bed. The invention further relates to a working method of the auxiliary symmetrical speed reducer test bed electric control system.

Background

The speed reducer is an indispensable important device in modern power systems, and it mainly is responsible for changing the high rotational speed of power supplies such as engine or motor into low rotational speed and exports to the downstream end, and in the industry, production and the inspection as the speed reducer of transmission power are especially important, according to the relevant standard requirement of speed reducer inspection, and in the research and development production process of speed reducer, it is indispensable when carrying out the overall performance test to the speed reducer. The speed reducer is subjected to loading test, strength test, fatigue test and the like, the quality of the product can be checked through the test, and meanwhile, reliable basis is provided for improvement and optimization of the product through analyzing and comparing parameter data obtained through the test.

To a large-scale speed reducer test platform, how to guarantee the steady operation of test bench, wherein need electrical control system to couple together each mechanical structure part, through stable program control for the testing process is according to appointed going on in proper order, provides one set of stable speed reducer test bench test system, is the design focus of this application.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide an auxiliary symmetrical speed reducer test bed electric control system, which solves the problem of stable operation of a speed reducer test platform. The invention also provides a working method of the auxiliary symmetrical speed reducer test bed electric control system, the working process is high in automation degree, the running of the motor can be stably ensured through program setting, and the tests of loading, fatigue and the like of speed reducer tests are realized.

The technical scheme is as follows: an electric control system of an auxiliary symmetric speed reducer test bed comprises a power distribution cabinet unit, an auxiliary control cabinet unit, an electric control cabinet unit, a speed reducer test platform and a sensor unit, wherein the power distribution cabinet unit provides power for the auxiliary control cabinet unit, the electric control cabinet unit and the speed reducer test platform, the electric control cabinet unit provides power for the sensor unit, and the power distribution cabinet unit, the auxiliary control cabinet unit and the electric control cabinet unit are communicated through PROFIBUS; wherein, the auxiliary control cabinet unit comprises a first starting switch, a group of first working indicator lamps, a second touch screen, a first data display screen, a second circuit breaker, a first controller and a first switching power supply, the incoming line end of the second circuit breaker is connected with the fuse, the first starting switch, the group of first working indicator lamps, the second touch screen and the first data display screen are arranged on the outer cabinet body of the auxiliary control cabinet unit, the second circuit breaker, the first controller and the first switching power supply are arranged in the auxiliary control cabinet unit, the second circuit breaker is electrically connected with the first controller and the power terminal of the first switching power supply, the power output end of the first switching power supply is electrically connected with the first starting switch, the group of first working indicator lamps, the second touch screen and the first data display screen are respectively connected with the first controller through data connecting lines, the first controller is communicated with the electric control cabinet unit through PROFIBUS, and the output end of the first controller is connected with a group of first work indicator lamps. The experiment table has larger floor area, wherein the electric control cabinet unit is larger and is inconvenient to move, and in order to control the experiment table at each position of the experiment table, the auxiliary control cabinet unit with smaller appearance is arranged, and the position of the auxiliary control cabinet unit can be flexibly adjusted through the Fu horse wheel arranged at the lower part; and the first data display screen that sets up on the auxiliary control cabinet unit can show data working diagram, and first work pilot lamp carries out the instruction of key data, under the condition that needs use, opens first starting switch, can couple together auxiliary control cabinet unit and automatically controlled cabinet unit.

Further, foretell supplementary symmetry formula speed reducer test bench electric control system, the switch board unit includes first circuit breaker, a set of contactor, a set of fuse, soft starter, converter and first touch-sensitive screen, the inlet wire end and the external power source of first circuit breaker are connected to the leading-out terminal of first circuit breaker is connected with the inlet wire end of a set of contactor, the leading-out terminal of a set of contactor is connected with the one end of a set of fuse, the other end and soft starter, converter, auxiliary control cabinet unit, automatically controlled cabinet unit, main test unit and the test unit electric connection of accompanying, still be equipped with first touch-sensitive screen on the outside cabinet body of switch board unit, first touch-sensitive screen and converter electric connection. The first circuit breaker, the group of contactors and the group of fuses can ensure the safety of a circuit when overvoltage, overload and the like occur in a circuit system; the soft starter is used for carrying out soft start of the motor, and the frequency converter can flexibly adjust the rotating speed of the motor; the operation data of the frequency converter can be conveniently checked through the arranged first touch screen, and meanwhile, the rotating speed of the motor can be manually adjusted through the frequency converter.

Further, in the electrical control system of the auxiliary symmetrical speed reducer test bed, the sensor unit includes a first temperature sensor, a second temperature sensor, a first torque sensor, a second torque sensor, a first noise tester and a second noise tester, the first temperature sensor, the first torque sensor and the first noise tester are arranged on the main test unit, and the first temperature sensor extends into the main test unit, the second temperature sensor, the second torque sensor and the second noise tester are arranged on the auxiliary test unit, and the second temperature sensor extends into the accompanying test unit, and the first temperature sensor, the second temperature sensor, the first torque sensor, the second torque sensor, the first noise tester and the second noise tester are electrically connected with the auxiliary control cabinet unit and the electric control cabinet unit. The temperature, noise and torque monitoring in the speed reducer testing process can be carried out through the temperature sensor, the torque sensor and the noise tester.

Further, foretell supplementary symmetry formula speed reducer test bench electric control system, speed reducer test platform includes main examination test unit, accompanies examination test unit and lower base, main examination test unit and accompany the examination test unit symmetry and set up under on the base to main examination test unit and accompany and be provided with radial loading frock between the examination test unit, radial loading frock is provided with electronic jar of first radial loading and the electronic jar of second radial loading along radial symmetry, accompany and be equipped with electronic jar of first axial loading and the electronic jar of first axial loading on the examination test unit to the electronic jar of first axial loading and the electronic jar symmetry of first axial loading set up in the both sides of accompanying the examination test unit. The auxiliary symmetrical speed reducer test bed electric control system provided by the invention can be used for carrying out electric control through the power-on of the power distribution cabinet and the electric control cabinet, and simultaneously setting radial loading and axial loading, so that various loading tests of the speed reducer can be carried out.

Furthermore, the electrical control system of the auxiliary symmetrical speed reducer test bed comprises an electrical control cabinet unit, wherein the electrical control cabinet unit comprises a second starting switch, a group of second working indicator lamps, a first industrial personal computer, a first computer display screen, a second data display screen, a third circuit breaker, a second controller, a second switch power supply, a first keyboard and a first mouse, the second starting switch, the group of second working indicator lamps, the first computer display screen, the second data display screen, the first keyboard and the first mouse are arranged on a cabinet body of the electrical control cabinet unit, the first industrial personal computer, the third circuit breaker, the second controller and the second switch power supply are arranged in the cabinet body of the electrical control cabinet unit, an inlet wire end of the third circuit breaker is connected with a fuse, and an outlet wire end of the third circuit breaker is connected with the second controller, the second switch power supply, the first industrial personal computer, the first computer display screen and the second data display screen, be wireless communication between first industrial computer and first keyboard and the first mouse, the power terminal of second switching power supply is connected with the power wiring end of second starting switch and a set of second work pilot lamp, the output and a set of second work pilot lamp of second controller are connected, be connected through the data line respectively between first industrial computer and the first computer display screen, between second data display screen and the second controller, between first industrial computer and the second controller, the second controller is connected with the converter, the input and the sensor unit of second controller are connected. The electric control cabinet unit that sets up can open control system through first industrial computer, sets for test numerical values such as motor speed, test time, moment of torsion.

Further, the electrical control system of the auxiliary symmetrical speed reducer test bed further comprises an extended electrical control cabinet unit, the extended electrical control cabinet unit comprises a third starting switch, a group of third working indicator lamps, a second industrial personal computer, a second computer display screen, a second keyboard, a second mouse, a fourth circuit breaker and a third switch power supply, the third starting switch, the group of third working indicator lamps, the second computer display screen, the second keyboard and the second mouse are arranged on the cabinet body of the extended electrical control cabinet unit, the second industrial personal computer, the fourth circuit breaker and the third switch power supply are arranged in the cabinet body of the extended electrical control cabinet unit, the wire inlet end of the fourth circuit breaker is connected with the fuse, the wire outlet end of the fourth circuit breaker is connected with the second industrial personal computer, the second computer display screen and the third switch power supply, the power output end of the third switch power supply is connected with the third working indicator lamps and the third starting switch, the second industrial personal computer is connected with the second computer display screen through a data line, and the second industrial personal computer is in wireless communication with the second keyboard and the second mouse. The extended electric control cabinet unit is used for detecting the temperature of the shell of the specific speed reducer and detecting parameters such as strain of the shell of the speed reducer.

Further, foretell supplementary symmetrical formula speed reducer test bench electric control system, the sensor unit still includes first wireless temperature sensor, the wireless temperature sensor of second and a set of foil gage, first wireless temperature sensor sets up on the outer wall of the speed reducer of main test unit, the wireless temperature sensor of second sets up on the outer wall of the speed reducer of accompanying test unit, a set of foil gage sets up respectively on the outer wall of the speed reducer of main test unit and accompanying test unit, carry out wireless communication between first wireless temperature sensor, the wireless temperature sensor of second and a set of foil gage and the second industrial computer. Parameters of the speed reducer shell can be monitored in all aspects through the first wireless temperature sensor, the second wireless temperature sensor and the group of strain gauges.

Further, in the electrical control system of the auxiliary symmetric speed reducer test bed, the main test unit includes a first driving motor, a first connecting assembly, a first fixing support frame and a main test speed reducer, the first driving motor and the main test speed reducer are connected through the first connecting assembly, the main test speed reducer is fixedly disposed on the first fixing support frame, the first driving motor is connected with the frequency converter, the first driving motor is connected with the soft starter, the first torque sensor is disposed on the first connecting assembly, the first temperature sensor is disposed on the main test speed reducer and extends into the main test speed reducer, the first noise tester is disposed on the first fixing support frame, and a receiving end of the first noise tester is close to an outer wall of the main test speed reducer; accompany examination test unit and include second driving motor, second coupling assembling, second fixed bolster and accompany the examination speed reducer, second driving motor with accompany the examination speed reducer and connect through second coupling assembling, accompany the fixed setting of examination speed reducer on second fixed bolster, second driving motor is connected with the converter, second driving motor is connected with soft starter, second torque sensor sets up on second coupling assembling, second temperature sensor sets up on accompanying the examination speed reducer to inside stretching into accompanying the examination speed reducer, second noise tester sets up on second fixed bolster to the receiving end of second noise tester is close to the outer wall of accompanying the examination speed reducer, accompany and try to pass through bolted connection between speed reducer and the main examination speed reducer.

Further, foretell supplementary symmetry formula speed reducer test bench electric control system, still be equipped with drive assembly on the base down, drive assembly includes third driving motor and lead screw, third driving motor fixes on the base down, the one end and the third driving motor of lead screw are connected, and the other end is connected with the motor fixing base of main speed reducer of trying on and accompanying the speed reducer of trying on.

The invention also provides a working method of the auxiliary symmetrical speed reducer test bed electric control system, which comprises the following steps:

1) the first circuit breaker is opened, the system is powered on, the second starting switch is opened, and the electric control cabinet unit is powered on;

2) starting a speed reducer testing system on a first industrial personal computer, displaying the speed reducer testing system on a first computer display screen, and setting speed reducer testing parameters;

3) the second controller receives the parameters of the speed reducer test and sends the parameters of the speed reducer test to the frequency converter;

4) the frequency converter drives the first driving motor and the second driving motor to rotate through the soft starter;

5) rotating shafts of the main test speed reducer and the auxiliary test speed reducer rotate along with the first driving motor and the second driving motor;

6) the first radial loading electric cylinder and the second radial loading electric cylinder apply radial force to the radial loading tool to radially load the main test speed reducer and the accompanying test speed reducer;

7) the first axial loading electric cylinder and the second axial loading electric cylinder apply axial loading force to the accompanying speed reducer and transmit the axial loading force to the main test speed reducer;

8) in the testing process, a first temperature sensor, a second temperature sensor, a first torque sensor, a second torque sensor, a first noise tester and a second noise tester continuously monitor the temperature, torque and noise data of a main testing speed reducer and an auxiliary testing speed reducer;

9) the first temperature sensor, the second temperature sensor, the first torque sensor, the second torque sensor, the first noise tester and the second noise tester are transmitted to the second controller;

10) the first industrial personal computer converts the temperature, torque and noise data and then displays the data on a second data display screen, and meanwhile, a group of second working indicator lamps indicate working states;

11) the testing time of the main test speed reducer and the auxiliary test speed reducer reaches the testing time of the speed reducer set by the first computer display screen,

12) the first driving motor and the second driving motor automatically stop rotating;

13) the first industrial computer performs storage of temperature, torque and noise data.

The technical scheme shows that the invention has the following beneficial effects: according to the electrical control system of the auxiliary symmetric speed reducer test bed, the auxiliary test speed reducers symmetrically arranged with the main test speed reducer are adopted for testing the speed reducers, the electrical control system can ensure stable operation of a motor, data monitoring is carried out through various sensors arranged at the same time, a power distribution cabinet can provide a system power supply, a soft starter and a frequency converter are also arranged inside the electrical control system to ensure starting and speed regulation of the motor, an electrical control cabinet unit is used for controlling the test bed, monitoring is carried out through an indicator lamp, and the auxiliary electrical control cabinet is arranged to assist the electrical control cabinet to carry out test bed data monitoring; meanwhile, in order to comprehensively test the speed reducer, a radial loading system and an axial loading system are further arranged on the test bed and used for testing the use performance of the speed reducer in the radial and axial stress processes of the speed reducer.

Drawings

Fig. 1 is a schematic overall structure diagram of an electric control system of an auxiliary symmetric speed reducer test bed according to the invention;

FIG. 2 is a top view of an electrical control system of the auxiliary symmetrical speed reducer test bed according to the present invention;

fig. 3 is an electrical control frame diagram of the electrical control system of the auxiliary symmetric speed reducer test bed according to the present invention.

In the figure: 1 power distribution cabinet unit, 11 first circuit breaker, 12 contactor, 13 fuse, 14 soft starter, 15 frequency converter, 16 first touch screen, 2 auxiliary control cabinet unit, 21 first starting switch, 22 first working indicator lamp, 23 second touch screen, 24 first data display screen, 25 second circuit breaker, 26 first controller, 27 first switching power supply, 3 electric control cabinet unit, 31 second starting switch, 32 second working indicator lamp, 33 first industrial personal computer, 34 first computer display screen, 35 second data display screen, 36 third circuit breaker, 37 second controller, 38 second switching power supply, 39 first keyboard, 310 first mouse, 4 speed reducer testing platform, 41 main test testing unit, 411 first driving motor, 412 first connecting component, 413 first fixed support frame, 414 main test speed reducer, 42 accompanying test unit, 421 second driving motor, 422 second connecting component, fifth connecting component, 42 main test speed reducer, 42 accompanying test unit, and auxiliary test unit, 423 second fixed support frame, 424 accompanying and testing speed reducer, 43 lower base, 44 radial loading tool, 45 first radial loading electric cylinder, 46 second radial loading electric cylinder, 47 first axial loading electric cylinder, 48 second axial loading electric cylinder, 49 driving component, 491 third driving motor, 492 screw rod, 5 sensor unit, 51 first temperature sensor, 52 second temperature sensor, 53 first torque sensor, 54 second torque sensor, 55 first noise tester, 56 second noise tester, 57 first wireless temperature sensor, 58 second wireless temperature sensor, 59 strain gauge, 6 expansion electric control cabinet unit, 61 third start switch, 62 third work indicating lamp, 63 second industrial computer, 64 second computer display screen, 65 second keyboard, 66 second mouse, 67 fourth circuit breaker and 68 third switch power supply.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The auxiliary symmetrical electrical control system of the speed reducer test bed shown in fig. 1-3 (the main electrical elements for electrical control are summarized in the application, and some electrical elements in the electrical control cabinet are not listed in detail one by one, and fig. 3 is a block diagram summarized according to an electrical schematic diagram, and does not represent the whole electrical control system), includes a power distribution cabinet unit 1, an auxiliary control cabinet unit 2, an electrical control cabinet unit 3, a speed reducer test platform 4 and a sensor unit 5, wherein the power distribution cabinet unit 1 supplies power to the auxiliary control cabinet unit 2, the electrical control cabinet unit 3 and the speed reducer test platform 4, the electrical control cabinet unit 3 supplies power to the sensor unit 5, and the power distribution cabinet unit 1, the auxiliary control cabinet unit 2 and the electrical control cabinet unit 3 communicate with each other through PROFIBUS; the speed reducer test platform 4 comprises a main test unit 41, an accompanying test unit 42 and a lower base 43, wherein the main test unit 41 and the accompanying test unit 42 are symmetrically arranged on the lower base 43, a radial loading tool 44 is arranged between the main test unit 41 and the accompanying test unit 42, a first radial loading electric cylinder 45 and a second radial loading electric cylinder 46 are symmetrically arranged on the radial loading tool 44 along the radial direction, a first axial loading electric cylinder 47 and a second axial loading electric cylinder 48 are further arranged on the accompanying test unit 42, and the first axial loading electric cylinder 47 and the second axial loading electric cylinder 48 are symmetrically arranged on two sides of the accompanying test unit 42. The main test testing unit 41 comprises a first driving motor 411, a first connecting assembly 412, a first fixed supporting frame 413 and a main test speed reducer 414, the first driving motor 411 and the main test speed reducer 414 are connected through the first connecting assembly 412, the main test speed reducer 414 is fixedly arranged on the first fixed supporting frame 413, the first driving motor 411 is connected with the frequency converter 15, the first driving motor 411 is connected with the soft starter 14, the first torque sensor 53 is arranged on the first connecting assembly 412, the first temperature sensor 51 is arranged on the main test speed reducer 414 and extends into the main test speed reducer 414, the first noise tester 55 is arranged on the first fixed supporting frame 413, and the receiving end of the first noise tester 55 is close to the outer wall of the main test speed reducer 414; test accompanying test unit 42 includes second driving motor 421, second coupling assembling 422, second fixed support frame 423 and test accompanying speed reducer 424, second driving motor 421 and test accompanying speed reducer 424 pass through second coupling assembling 422 and connect, test accompanying speed reducer 424 is fixed to be set up on second fixed support frame 423, second driving motor 421 is connected with converter 15, second driving motor 421 is connected with soft starter 14, second torque sensor 54 sets up on second coupling assembling 422, second temperature sensor 52 sets up on test accompanying speed reducer 424, and stretch into inside test accompanying speed reducer 424, second noise tester 56 sets up on second fixed support frame 423, and the receiving end of second noise tester 56 is close to the outer wall of test accompanying speed reducer 424, test accompanying speed reducer 424 and main test speed reducer 414 between through bolted connection. In order to conveniently and flexibly adjust the positions of the main test unit 41 and the auxiliary test unit 42, a driving assembly 49 is further arranged on the lower base 43, the driving assembly 49 comprises a third driving motor 491 and a screw rod 492, the third driving motor 491 is fixed on the lower base 43, one end of the screw rod 492 is connected with the third driving motor 491, and the other end of the screw rod 492 is connected with the motor fixing seats of the main test speed reducer 414 and the auxiliary test speed reducer 424. The lead screw 492 rotates to drive the relative positions of the main test unit 41 and the auxiliary test unit 42. Further, external power source inserts switch board unit 1 at first, switch board unit 1 includes first circuit breaker 11, a set of contactor 12, a set of fuse 13, soft starter 14, converter 15 and first touch-sensitive screen 16, the inlet wire end and the external power source of first circuit breaker 11 are connected, and the leading-out terminal of first circuit breaker 11 is connected with the inlet wire end of a set of contactor 12, the leading-out terminal of a set of contactor 12 is connected with the one end of a set of fuse 13, the other end and the soft starter 14 of a set of fuse 13, converter 15, auxiliary control cabinet unit 2, automatically controlled cabinet unit 3, main test unit 41 and the test unit 42 electric connection that accompanies, still be equipped with first touch-sensitive screen 16 on the outside cabinet body of switch board unit 1, first touch-

sensitive screen

16 and 15 electric connection of converter. The safety of the circuit can be guaranteed through the electric elements arranged in the power distribution cabinet unit 1, the soft start of the motor is controlled through the soft starter 14, the rotating speed of the motor is adjusted through the frequency converter 15, and the frequency converter 15 can be manually adjusted and set through the first touch screen 16. Further, the sensor unit 5 includes a first temperature sensor 51, a second temperature sensor 52, a first torque sensor 53, a second torque sensor 54, a first noise tester 55, and a second noise tester 56, the first temperature sensor 51, the first torque sensor 53, and the first noise tester 55 are provided on the main test unit 41, and the first temperature sensor 51 is extended into the main test unit 41, the second temperature sensor 52, the second torque sensor 54 and the second noise tester 56 are provided on the test-assistant unit 42, and the second temperature sensor 52 extends into the test assistant testing unit 42, and the first temperature sensor 51, the second temperature sensor 52, the first torque sensor 53, the second torque sensor 54, the first noise tester 55 and the second noise tester 56 are electrically connected with the auxiliary control cabinet unit 2 and the electric control cabinet unit 3. In addition, in order to meet various requirements in the speed reducer testing process, the sensor unit 5 further comprises a first wireless temperature sensor 57, a second wireless temperature sensor 58 and a set of strain gauges 59, the first wireless temperature sensor 57 is arranged on the outer wall of the speed reducer of the main test testing unit 41, the second wireless temperature sensor 58 is arranged on the outer wall of the speed reducer of the accompanying test testing unit 42, the set of strain gauges 59 are respectively arranged on the outer walls of the speed reducers of the main test testing unit 41 and the accompanying test testing unit 42, and wireless communication is carried out between the first wireless temperature sensor 57, the second wireless temperature sensor 58 and the set of strain gauges 59 and the second industrial personal computer 63. The first wireless temperature sensor 57, the second wireless temperature sensor 58 and the set of strain gauges 59 can be fixed on the shell of the speed reducer, and the temperature and the deformation condition of the shell of the speed reducer are measured. Further, the electric control cabinet unit 3 comprises a second starting switch 31, a group of second working indicator lamps 32, a first industrial personal computer 33, a first computer display screen 34, a second data display screen 35, a third circuit breaker 36, a second controller 37, a second switching power supply 38, a first keyboard 39 and a first mouse 310, the second starting switch 31, the group of second working indicator lamps 32, the first computer display screen 34, the second data display screen 35, the first keyboard 39 and the first mouse 310 are arranged on the cabinet body of the electric control cabinet unit 3, the first industrial personal computer 33, the third circuit breaker 36, the second controller 37 and the second switching power supply 38 are arranged in the cabinet body of the electric control cabinet unit 3, the wire inlet end of the third circuit breaker 36 is connected with the fuse 13, the wire outlet end of the third circuit breaker 36 is connected with the second controller 37, the second switching power supply 38, the first industrial personal computer 33, the first computer display screen 34 and the second data display screen 35, the first industrial personal computer 33 is in wireless communication with the first keyboard 39 and the first mouse 310, a power outlet end of the second switch power supply 38 is connected with the second starting switch 31 and a power terminal of the group of second working indicator lamps 32, an output end of the second controller 37 is connected with the group of second working indicator lamps 32, the first industrial personal computer 33 is connected with the first computer display screen 34, the second data display screen 35 is connected with the second controller 37, the first industrial personal computer 33 is connected with the second controller 37 through data lines, the second controller 37 is connected with the frequency converter 15, and an input end of the second controller 37 is connected with the sensor unit 5. Further, the first data display screen 24 and the second data display screen 35 can display the change process of parameters such as temperature, torque and the like in a line graph mode, and dynamically monitor the test data in real time. Further, the electric control cabinet unit 3 further comprises an extended electric control cabinet unit 6, the extended electric control cabinet unit 6 comprises a third starting switch 61, a group of third working indicator lamps 62, a second industrial personal computer 63, a second computer display screen 64, a second keyboard 65, a second mouse 66, a fourth circuit breaker 67 and a third switch power supply 68, the third starting switch 61, the group of third working indicator lamps 62, the second computer display screen 64, the second keyboard 65 and the second mouse 66 are arranged on the cabinet body of the extended electric control cabinet unit 6, the second industrial personal computer 63, the fourth circuit breaker 67 and the third switch power supply 68 are arranged in the cabinet body of the extended electric control cabinet unit 6, the inlet end of the fourth circuit breaker 67 is connected with the fuse 13, the outlet end of the fourth circuit breaker 67 is connected with the second industrial personal computer 63, the second computer display screen 64 and the third switch power supply 68, the power supply output end of the third switch power supply 68 is connected with the third working indicator lamps 62 and the third starting switch 61, the second industrial personal computer 63 is connected with the second computer display screen 64 through a data line, and the second industrial personal computer 63 is in wireless communication with a second keyboard 65 and a second mouse 66. Wherein, the top of the cabinet body of automatically controlled cabinet unit 3 and extension automatically controlled cabinet unit 6 still is fixed with the flash of light alarm to be equipped with bee calling organ on the cabinet body of automatically controlled cabinet unit 3 and extension automatically controlled cabinet unit 6, when temperature, moment of torsion isoparametric surpassed the threshold value in the testing process, flash of light alarm and bee calling organ reported to the police. In order to conveniently and flexibly observe the speed reducer test condition around the speed reducer test platform 4 at any time, an auxiliary control cabinet unit 2 is specially arranged, the auxiliary control cabinet unit 2 comprises a first starting switch 21, a group of first working indicator lamps 22, a second touch screen 23, a first data display screen 24, a second circuit breaker 25, a first controller 26 and a first switching power supply 27, the wire inlet end of the second circuit breaker 25 is connected with the fuse 13, the first starting switch 21, a group of first working indicator lamps 22, the second touch screen 23 and the first data display screen 24 are arranged on the outer cabinet body of the auxiliary control cabinet unit 2, the second circuit breaker 25, the first controller 26 and the first switching power supply 27 are arranged inside the auxiliary control cabinet unit 2, the second circuit breaker 25 is electrically connected with the first controller 26 and the power supply terminal of the first switching power supply 27, the power supply output end of the first switching power supply 27 is electrically connected with the first starting switch 21, A set of first work pilot lamp 22, second touch-sensitive screen 23 and first data display screen 24 electric connection, second touch-sensitive screen 23 and first data display screen 24 pass through the data connecting line with first controller 26 respectively and are connected, communicate through PROFIBUS between first controller 26 and the automatically controlled cabinet unit 3, and first controller 26's output is connected with a set of first work pilot lamp 22.

The invention discloses a working method of an electric control system of an auxiliary symmetrical speed reducer test bed, which comprises the following steps:

1) the first breaker 11 is opened, the system is powered on, the second starting switch 31 is opened, and the electric control cabinet unit 3 is powered on;

2) starting a speed reducer testing system on the first industrial personal computer 33, displaying the speed reducer testing system on the first computer display screen 34, and setting speed reducer testing parameters;

3) the second controller 37 receives the parameters of the speed reducer test and sends the parameters of the speed reducer test to the frequency converter 15;

4) the frequency converter 15 drives the first driving motor 411 and the second driving motor 421 to rotate through the soft starter 14;

5) the rotating shafts of the main test reducer 414 and the auxiliary test reducer 424 rotate along with the first driving motor 411 and the second driving motor 421;

6) the first radial loading electric cylinder 45 and the second radial loading electric cylinder 46 apply radial force to the radial loading tool 44 to radially load the main test speed reducer 414 and the accompanying test speed reducer 424;

7) the first axial loading electric cylinder 47 and the second axial loading electric cylinder 48 apply an axial loading force to the test-accompanying speed reducer 424, and transmit the axial loading force to the main test speed reducer 414;

8) during the test, the first temperature sensor 51, the second temperature sensor 52, the first torque sensor 53, the second torque sensor 54, the first noise tester 55 and the second noise tester 56 constantly monitor the temperature, torque and noise data of the main test reducer 414 and the auxiliary test reducer 424;

9) the first temperature sensor 51, the second temperature sensor 52, the first torque sensor 53, the second torque sensor 54, the first noise tester 55 and the second noise tester 56 are transmitted to the second controller 37;

10) the first industrial personal computer 33 converts the temperature, torque and noise data and then displays the data on a second data display screen 35, and meanwhile, a group of second working indicator lamps 32 indicate the working state;

11) the testing time of the main test reducer 414 and the auxiliary test reducer 424 reaches the reducer testing time set by the first computer display screen 34,

12) the first driving motor 411 and the second driving motor 421 automatically stop rotating;

13) the first industrial personal computer 33 performs storage of temperature, torque and noise data.

Before the speed reducer test is performed, firstly, the distance between the main test unit 41 and the accompanying test unit 42 is increased through the driving assembly 49, the speed reducer to be tested is installed on the main test unit 41 and the accompanying test unit 42, then, the distance between the main test unit 41 and the accompanying test unit 42 is reduced to a proper position, and the radial loading tool 44 is installed between the main test speed reducer 414 and the accompanying test speed reducer 424.

The invention relates to a working method of an electric control system of an auxiliary symmetrical speed reducer test bed, which further comprises the following steps:

1) the first start switch 21 is turned on, and the first controller 26 and the second controller 37 communicate;

2) the first work indicating lamp 22 indicates the work state of the speed reducer test bed according to the signal of the first controller 26;

3) the second touch screen 23 sets parameters for adjusting the speed reducer test;

4) the first data display screen 24 displays temperature, torque and noise data.

In the speed reducer testing process, for a specific speed reducer, the extended electric control cabinet unit 6 can be adopted to communicate the first wireless temperature sensor 57, the second wireless temperature sensor 58 and the set of strain gauges 59 to carry out the temperature of the speed reducer shell and the parameters of the deformation of the speed reducer shell, and the specific operation process is as follows:

1) fixing a first wireless temperature sensor 57 on the shell of the main test speed reducer 414, and fixing a second wireless temperature sensor 58 on the shell of the accompanying test speed reducer 424;

2) selecting a certain position of the shell of the main trial speed reducer 414 and the shell of the accompanying trial speed reducer 424, and polishing the shell of the main trial speed reducer 414 and the shell of the accompanying trial speed reducer 424;

3) attaching the strain gauge 59 to the polished positions of the shells of the main trial speed reducer 414 and the accompanying trial speed reducer 424;

4) and connecting a data acquisition line of the strain gauge 59 to a second industrial personal computer 63, and respectively opening a temperature acquisition control interface and a strain acquisition control interface for monitoring temperature and strain data.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides an electric electrical control system of supplementary symmetry formula speed reducer test bench which characterized in that: the system comprises a power distribution cabinet unit (1), an auxiliary control cabinet unit (2), an electric control cabinet unit (3), a speed reducer testing platform (4) and a sensor unit (5), wherein the power distribution cabinet unit (1) provides power for the auxiliary control cabinet unit (2), the electric control cabinet unit (3) and the speed reducer testing platform (4), the electric control cabinet unit (3) provides power for the sensor unit (5), and the power distribution cabinet unit (1), the auxiliary control cabinet unit (2) and the electric control cabinet unit (3) are communicated through PROFIBUS; wherein the auxiliary control cabinet unit (2) comprises a first starting switch (21), a group of first working indicator lamps (22), a second touch screen (23), a first data display screen (24), a second circuit breaker (25), a first controller (26) and a first switching power supply (27), the wire inlet end of the second circuit breaker (25) is connected with the fuse (13), the first starting switch (21), the group of first working indicator lamps (22), the second touch screen (23) and the first data display screen (24) are arranged on the external cabinet body of the auxiliary control cabinet unit (2), the second circuit breaker (25), the first controller (26) and the first switching power supply (27) are arranged inside the auxiliary control cabinet unit (2), and the second circuit breaker (25) is electrically connected with the first controller (26) and the power supply terminal of the first switching power supply (27), the power output end of the first switch power supply (27) is electrically connected with the first starting switch (21), the group of first working indicator lamps (22), the second touch screen (23) and the first data display screen (24) are respectively connected with the first controller (26) through data connecting lines, the first controller (26) is communicated with the electric control cabinet unit (3) through PROFIBUS, and the output end of the first controller (26) is connected with the group of first working indicator lamps (22);

the power distribution cabinet unit (1) comprises a first circuit breaker (11), a group of contactors (12), a group of fuses (13), a soft starter (14), a frequency converter (15) and a first touch screen (16), wherein the wire inlet end of the first circuit breaker (11) is connected with an external power supply, and the outlet end of the first breaker (11) is connected with the inlet end of a group of contactors (12), the outlet ends of the group of contactors (12) are connected with one end of the group of fuses (13), the other end of the group of fuses (13) is electrically connected with the soft starter (14), the frequency converter (15), the auxiliary control cabinet unit (2), the electric control cabinet unit (3), the main test unit (41) and the accompanying test unit (42), a first touch screen (16) is further arranged on an outer cabinet body of the power distribution cabinet unit (1), and the first touch screen (16) is electrically connected with the frequency converter (15);

the sensor unit (5) comprises a first temperature sensor (51), a second temperature sensor (52), a first torque sensor (53), a second torque sensor (54), a first noise tester (55) and a second noise tester (56), wherein the first temperature sensor (51), the first torque sensor (53) and the first noise tester (55) are arranged on the main test unit (41), the first temperature sensor (51) extends into the main test unit (41), the second temperature sensor (52), the second torque sensor (54) and the second noise tester (56) are arranged on the auxiliary test unit (42), the second temperature sensor (52) extends into the auxiliary test unit (42), and the first temperature sensor (51), the second temperature sensor (52), the first torque sensor (53) and the second temperature sensor (51) extend into the auxiliary test unit (42), The second torque sensor (54), the first noise tester (55) and the second noise tester (56) are electrically connected with the auxiliary control cabinet unit (2) and the electric control cabinet unit (3);

the speed reducer testing platform (4) comprises a main testing unit (41), an accompanying testing unit (42) and a lower base (43), wherein the main testing unit (41) and the accompanying testing unit (42) are symmetrically arranged on the lower base (43), a radial loading tool (44) is arranged between the main testing unit (41) and the accompanying testing unit (42), a first radial loading electric cylinder (45) and a second radial loading electric cylinder (46) are radially and symmetrically arranged on the radial loading tool (44), a first axial loading electric cylinder (47) and a second axial loading electric cylinder (48) are further arranged on the accompanying testing unit (42), and the first axial loading electric cylinder (47) and the second axial loading electric cylinder (48) are symmetrically arranged on two sides of the accompanying testing unit (42);

the electric control cabinet unit (3) comprises a second starting switch (31), a group of second working indicator lamps (32), a first industrial personal computer (33), a first computer display screen (34), a second data display screen (35), a third circuit breaker (36), a second controller (37), a second switching power supply (38), a first keyboard (39) and a first mouse (310), wherein the second starting switch (31), the group of second working indicator lamps (32), the first computer display screen (34), the second data display screen (35), the first keyboard (39) and the first mouse (310) are arranged on a cabinet body of the electric control cabinet unit (3), the first industrial personal computer (33), the third industrial personal computer (36), the second controller (37) and the second switching power supply (38) are arranged in the cabinet body of the electric control cabinet unit (3), and a wire inlet end of the third circuit breaker (36) is connected with a fuse (13), the outlet end of the third circuit breaker (36) is connected with a second controller (37), a second switch power supply (38), a first industrial personal computer (33), a first computer display screen (34) and a second data display screen (35), the first industrial personal computer (33) is in wireless communication with a first keyboard (39) and a first mouse (310), the power outlet end of the second switch power supply (38) is connected with a second starting switch (31) and a power wiring end of a group of second work indicator lamps (32), the output end of the second controller (37) is connected with a group of second work indicator lamps (32), the first industrial personal computer (33) is connected with the first computer display screen (34), the second data display screen (35) is connected with the second controller (37), the first industrial computer (33) is connected with the second controller (37) through data lines, and the second controller (37) is connected with a frequency converter (15), the input end of the second controller (37) is connected with the sensor unit (5);

the electric control cabinet unit (3) further comprises an extended electric control cabinet unit (6), the extended electric control cabinet unit (6) comprises a third starting switch (61), a set of third working indicator lamps (62), a second industrial personal computer (63), a second computer display screen (64), a second keyboard (65), a second mouse (66), a fourth circuit breaker (67) and a third switch power supply (68), the third starting switch (61), a set of third working indicator lamps (62), a second computer display screen (64), the second keyboard (65) and the second mouse (66) are arranged on a cabinet body of the extended electric control cabinet unit (6), the second industrial personal computer (63), the fourth circuit breaker (67) and the third switch power supply (68) are arranged in a cabinet body of the extended electric control cabinet unit (6), a wire inlet end of the fourth circuit breaker (67) is connected with the fuse (13), and a wire outlet end of the fourth circuit breaker (67) is connected with the second industrial personal computer (63), The second computer display screen (64) is connected with a third switch power supply (68), the power output end of the third switch power supply (68) is connected with a third working indicator lamp (62) and a third starting switch (61), the second industrial personal computer (63) is connected with the second computer display screen (64) through a data line, and the second industrial personal computer (63) is in wireless communication with a second keyboard (65) and a second mouse (66);

the sensor unit (5) further comprises a first wireless temperature sensor (57), a second wireless temperature sensor (58) and a group of strain foils (59), the first wireless temperature sensor (57) is arranged on the outer wall of the speed reducer of the main test testing unit (41), the second wireless temperature sensor (58) is arranged on the outer wall of the speed reducer of the accompanying test testing unit (42), the group of strain foils (59) are respectively arranged on the outer walls of the main test testing unit (41) and the speed reducer of the accompanying test testing unit (42), and the first wireless temperature sensor (57), the second wireless temperature sensor (58) and the group of strain foils (59) are in wireless communication with a second industrial personal computer (63);

the main test unit (41) comprises a first driving motor (411), a first connecting component (412), a first fixed supporting frame (413) and a main test speed reducer (414), the first driving motor (411) and the main speed reducer (414) are connected through a first connecting component (412), the main speed reducer (414) is fixedly arranged on the first fixed support frame (413), the first driving motor (411) is connected with a frequency converter (15), the first driving motor (411) is connected with a soft starter (14), the first torque sensor (53) is arranged on a first connecting component (412), the first temperature sensor (51) is arranged on the main speed reducer (414), and extends into the main speed reducer (414), the first noise tester (55) is arranged on the first fixed supporting frame (413), the receiving end of the first noise tester (55) is close to the outer wall of the main test speed reducer (414); the accompanying test unit (42) comprises a second driving motor (421), a second connecting assembly (422), a second fixed supporting frame (423) and an accompanying test speed reducer (424), the second driving motor (421) and the accompanying test speed reducer (424) are connected through the second connecting assembly (422), the accompanying test speed reducer (424) is fixedly arranged on the second fixed supporting frame (423), the second driving motor (421) is connected with a frequency converter (15), the second driving motor (421) is connected with a soft starter (14), a second torque sensor (54) is arranged on the second connecting assembly (422), a second temperature sensor (52) is arranged on the accompanying test speed reducer (424) and extends into the interior of the accompanying test speed reducer (424), a second noise tester (56) is arranged on the second fixed supporting frame (423), and the receiving end of the second noise tester (56) is close to the outer wall of the accompanying test speed reducer (424), the accompanying test speed reducer (424) is connected with the main test speed reducer (414) through a bolt;

the lower base (43) is further provided with a driving assembly (49), the driving assembly (49) comprises a third driving motor (491) and a screw rod (492), the third driving motor (491) is fixed on the lower base (43), one end of the screw rod (492) is connected with the third driving motor (491), and the other end of the screw rod is connected with a main test speed reducer (414) and a motor fixing seat of an accompanying test speed reducer (424);

the working method of the auxiliary symmetrical speed reducer test bed electric control system comprises the following steps:

1) the first breaker (11) is opened, the system is powered on, the second starting switch (31) is opened, and the electric control cabinet unit (3) is powered on;

2) starting a speed reducer testing system on a first industrial personal computer (33), displaying the speed reducer testing system on a first computer display screen (34), and setting speed reducer testing parameters;

3) the second controller (37) receives the parameters of the speed reducer test and sends the parameters of the speed reducer test to the frequency converter (15);

4) the frequency converter (15) drives a first driving motor (411) and a second driving motor (421) to rotate through a soft starter (14);

5) the rotating shafts of the main test speed reducer (414) and the auxiliary test speed reducer (424) rotate along with the first driving motor (411) and the second driving motor (421);

6) the first radial loading electric cylinder (45) and the second radial loading electric cylinder (46) apply radial force to the radial loading tool (44) to carry out radial loading on the main test speed reducer (414) and the accompanying test speed reducer (424);

7) the first axial loading electric cylinder (47) and the second axial loading electric cylinder (48) apply axial loading force to the test-accompanying speed reducer (424), and transmit the axial loading force to the main test speed reducer (414);

8) in the test process, a first temperature sensor (51), a second temperature sensor (52), a first torque sensor (53), a second torque sensor (54), a first noise tester (55) and a second noise tester (56) continuously monitor the temperature, torque and noise data of a main test speed reducer (414) and an auxiliary test speed reducer (424);

9) the first temperature sensor (51), the second temperature sensor (52), the first torque sensor (53), the second torque sensor (54), the first noise tester (55) and the second noise tester (56) are transmitted to the second controller (37);

10) the first industrial personal computer (33) converts the temperature, torque and noise data and then displays the data on a second data display screen (35), and meanwhile, a group of second working indicator lamps (32) indicate the working state;

11) the testing time of the main test speed reducer (414) and the auxiliary test speed reducer (424) reaches the speed reducer testing time set by the first computer display screen (34),

12) the first driving motor (411) and the second driving motor (421) automatically stop rotating;

13) a first industrial control computer (33) stores temperature, torque and noise data.