CN108982098A - Gearbox on-line checking testing stand and detection method - Google Patents
Gearbox on-line checking testing stand and detection method Download PDFInfo
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- CN108982098A CN108982098A CN201810691460.1A CN201810691460A CN108982098A CN 108982098 A CN108982098 A CN 108982098A CN 201810691460 A CN201810691460 A CN 201810691460A CN 108982098 A CN108982098 A CN 108982098A
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- gearbox
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of gearbox on-line checking testing stand and detection method.Automobile gearbox detection load-side traditional at present is mostly energy consumption type load, can not achieve energy circulation use.Present invention composition includes: touch screen (1), the touch screen passes through Ethernet respectively, RS232 Serial Port Line and programmable logic controller (PLC) PLC(2), RS232/CAN communication converter (21) connection, the programmable logic controller (PLC) PLC passes through control line and water cooling system (3) respectively, oil cooling system (4) connection, the oil cooling system is connect by wound oil cooling circuit with gearbox (10), the water cooling system by water-cooling loop respectively with load motor controller II(5), load motor II(8) connection, the load motor controller II is connect by bus with DC power supply (13), the DC power supply passes through bus and drive motor controller (17) respectively, load motor controller I(16) connection.The present invention is used for gearbox on-line checking testing stand.
Description
Technical field:
The present invention relates to a kind of gearbox on-line checking testing stand and detection methods.
Background technique:
Automobile gearbox is one of main composition of car transmissions, is that one kind is used for coordinate engine speed and wheel reality
The speed change gear of border travel speed, the superiority and inferiority of performance directly affect safety and the fuel economy of running car, speed change
Case plays an important role in machine driving as the geared system of transmitting power；Since gearbox mechanical structure itself is multiple
The reasons such as miscellaneous, high degree of automation, working environment be severe, gearbox be easy to be influenced by conditions such as temperature, humidity, vibrations and
It breaks down, even new gearbox may also be broken down due to assembly, mismachining tolerance etc.；Automobile traditional at present becomes
Fast case detection load-side is mostly energy consumption type load, can not achieve energy circulation use.
The prior art mainly includes two classes to the test of gearbox: one kind is in the new product development stage, to what is designed
Gearbox makes a service test, and can detect designed product reach design requirement;Another kind of is that gearbox is handed over inspect online
Platform is tested, i.e., on-line checking is carried out after being completed in the production line to the gearbox product gone into operation, for checking that finished product is total
At state, find gearbox may on vehicle the problem, such as shift gears Caton, abnormal sound, gear high frequency noise.
Summary of the invention:
The object of the present invention is to provide a kind of gearbox on-line checking testing stand and detection methods.
Above-mentioned purpose is realized by following technical scheme:
A kind of gearbox on-line checking testing stand, composition include: touch screen, the touch screen pass through respectively Ethernet,
RS232 Serial Port Line is connect with programmable logic controller (PLC) PLC, RS232/CAN communication converter, the Programmable logical controller
Device PLC passes through control line respectively and connect with water cooling system, oil cooling system, the oil cooling system by wound oil cooling circuit with
Gearbox connection, the water cooling system are connect with load motor controller II, load motor II respectively by water-cooling loop,
The load motor controller II is connect by bus with DC power supply, and the DC power supply passes through bus and driving respectively
Electric machine controller, load motor controller I connection.
The gearbox on-line checking testing stand, the water cooling system respectively with load motor I, driving motor,
The load motor controller I, the drive motor controller connection, the RS232/CAN communication converter difference
Pass through CAN bus and the load motor controller II, the drive motor controller, the load motor controller
I connection.
The gearbox on-line checking testing stand, the gearbox are mounted on hydraulic platform I, the hydraulic flat
Below platform I there is gear to control and connect with the programmable logic controller (PLC) PLC, the gearbox right side with it is hydraulic
Torque sensor connection on platform II, on the left of the gearbox respectively with the torque sensor, hydraulic on hydraulic platform III
Torque sensor connection on platform IV.
The gearbox on-line checking testing stand, torque sensor on the hydraulic platform II by shaft coupling with
The load motor II connection, the load motor II are connect by cable with the load motor controller II, institute
The load motor II stated feeds back position signal into load motor controller II by rotary encoder.
The gearbox on-line checking testing stand, the torque sensor on the hydraulic platform III pass through shaft coupling
It is connect with the load motor I, the load motor I is connect by cable with the load motor controller I, described
Load motor I by position signal by rotary encoder feed back into load motor controller I.
The gearbox on-line checking testing stand, torque sensor on the hydraulic platform IV by shaft coupling with
The driving motor connection, the driving motor are connect by cable with the drive motor controller, the drive
Dynamic motor feeds back position signal into drive motor controller by rotary encoder.
A kind of gearbox on-line checking testing stand and detection method, this method comprises the following steps: change that first will be tested
Fast case moves to monitor station from production and assembly line, is positioned by hydraulic platform I, a series of mechanical actions of centering, fixation, so
Driving motor, load motor I, load motor II are engaged with transmission input and output end respectively afterwards, using a driving electricity
Machine simulated engine is inputted as power, and two load motors apply negative torque in output shaft of gear-box and simulate actual condition, is led to
It crosses detection system detection, record, determine test data, gearbox is tested if test data is unqualified and is withdrawn into specified region；
Setting of the instruction realization to all electrical controls, operating parameter is sent by touch screen, completes starting, the operation of each unit
And shutdown；Touch screen passes through CAN bus and sends instruction to electric machine controller, realizes in permission revolving speed, power bracket, foundation is given
Fixed speed command constant-speed operation；In permission torque, power bracket, according to given torque instruction permanent torque operation；
Control system can logically require to complete to low tension switch point/close a floodgate, the start and stop of electric machine controller, realize and turn
The setting of the operating parameters such as square, revolving speed and protection of transfiniting；
System uses modularized design, and each section is provided with self-checking function, judges that each unit state is normal by self-test after booting
Whether, after the completion of self-test, automatically on touch screen interface the main artificial wiring point of each switching on and shutting down of display system state, for operation
With reference to and wire connection state confirmation, can timer-controlled self-inspection in system operation, it is ensured that system stable operation；
By the information processing system on touch screen backstage, the data provided each control unit are handled and are transmitted in time, when
Energy emergency shutdown, can show important information in operation interface when the abnormal conditions such as communication disruption occurs for system, instruction is lost；
Information processing system has process monitoring ability, such as failure, executes corresponding warning and defencive function, system while automatic note
Record and preservation fault message；
The control program of each unit can be downloaded, edit, modify and be run to information processing system, realize the self-test of system and initial
Change, completion status checks, test run mode, operational objective point or curve setting, Protection parameters and limitation parameter setting, lead to
Fuse tube reason etc., the working condition and operating parameter of the capital equipments such as each electric machine controller of Real time displaying, motor, gearbox will be led
Parameter is wanted to provide in the form of waveform diagram, tables of data；
Testing stand is equipped with multiple scram buttons, when breaking down, can carry out under the auxiliary of supervisory diagnostic procedure testing stand
Emergency stop cuts off failure, the safe operation of guarantee test platform.In the case where main circuit powers off suddenly, testing stand can guarantee control system
System continued power realizes corresponding protection operation, the guarantee person and equipment safety, and records fault message；
The achievable self-protection of system judges that can equipment restart by the faulty automatic classification of institute and according to precedence level code,
Convenient for excluding false failure, guarantees effective operation of apparatus, when testing number unrecoverable failure, activated according to fault level corresponding
Protective program.
The utility model has the advantages that
1. the testing stand that the present invention designs carries out on-line checking after being completed in the production line for gearbox product, have certainly
The features such as dynamicization degree is high, stable and effective promotion separate unit production capacity, traditional gearbox detection load-side is mostly energy consumption
Type load, present invention employs energy feedback technologies to replace traditional energy consumption formula technology, and the closed loop for realizing energy uses.
Detecting data of the invention in identical platform, realizes multi-party communication protocol integration to each feedback letter of test macro
Number real-time synchronization acquisition, to the real-time control of rack electric drive system, utilize EasyBuilder Pro Development of Configuration Software
Touch-screen system interface, operation, modification are convenient, are easy to extend and transplanting.
Testing stand of the invention takes modularized design, convenient for carrying out dilatation, experiment to testing stand under identical voltage class
In Generator Status, AC energy feeds back to DC power supply after load motor controller converts, and realizes for middle load motor work
Energy circulation use.
The achievable on-line loaded of testing stand of the invention simultaneously detects all technical of gearbox, records different stalls
Data, the testing stand data of the processes such as torque, speed, temperature rise can be with production line data real-time exchanges.
During the test, driving motor works in motoring condition to the present invention, and DC power supply mentions for drive motor controller
For energy；Load motor works in generating state, and the electric energy of sending feeds back to DC power supply, system by load motor controller
Consumed electric energy be only the thermal losses of three motors, controller component loss, transmission system mechanical loss and electricity
The loss in source itself replaces traditional energy consumption formula technology using energy feedback technology, and the closed loop for realizing energy uses.
Detailed description of the invention:
Attached drawing 1 is structural schematic diagram of the invention.
Attached drawing 2 is the communication system architecture block diagram of the application.
Attached drawing 3 is the dynamical system energy transmission block diagram of the application.
Specific embodiment:
Embodiment 1:
A kind of gearbox on-line checking testing stand, composition includes: touch screen 1, the touch screen pass through respectively Ethernet,
RS232 Serial Port Line is connect with programmable logic controller (PLC) PLC2, RS232/CAN communication converter 21, the programmable logic
Controller PLC passes through control line respectively and connect with water cooling system 3, oil cooling system 4, and the oil cooling system is cold by oil
Circuit is connect with gearbox 10, and the water cooling system is electric with load motor controller II5, load respectively by water-cooling loop
Machine II8 connection, the load motor controller II are connect by bus with DC power supply 13, and the DC power supply leads to respectively
Bus is crossed to connect with drive motor controller 17, load motor controller I16；
Acquisition and control system uses touch screen, and touch screen supports ethernet communication and RS232 communication mode, touch screen with
By ethernet communication between PLC, PLC can realize the start and stop of oil cooling system, the start and stop of water cooling system, the movement of gearbox
With clamping, the engagement of motor and machine driven system with separate, the shift of gearbox, detection, the torque of oil temperature and water temperature inspection
It surveys, fault alarm.CAN communication mode is taken between touch screen and electric machine controller, it will by RS232/CAN communication converter
RS232 communication is changed into CAN communication, it can be achieved that the setting of driving motor revolving speed, the setting of two negative torques of load motor, motor
The detection of tach signal, the detection of current of electric, the detection of motor DC busbar voltage, motor stator temperature rise detection, communication system
Structure of uniting is as shown in Fig. 2.
Embodiment 2:
According to gearbox on-line checking testing stand described in embodiment 1, the water cooling system respectively with load motor I15,
Load motor II, driving motor 18, load motor controller I, load motor controller II, drive motor controller connection, i.e.,
Water cooling system is respectively coupled with 3 load motor controllers and 3 load motors, and the RS232/CAN communicates conversion
Device passes through CAN bus and the load motor controller II, the drive motor controller, the load motor respectively
Controller I connection.
Embodiment 3:
According to gearbox on-line checking testing stand described in embodiment 1, the gearbox is mounted on hydraulic platform I11, institute
There is gear control 12 below the hydraulic platform I stated and connect with the programmable logic controller (PLC) PLC, the speed change
It is connect on the right side of case with the torque sensor on hydraulic platform II6, on the left of the gearbox respectively and on hydraulic platform III14
Torque sensor 20 on torque sensor, hydraulic platform IV 19 connects.
Embodiment 4:
The gearbox on-line checking testing stand according to embodiment 2 or 3, the torque sensor on the hydraulic platform II are logical
It crosses shaft coupling 7 to connect with the load motor II, the load motor II is controlled by cable and the load motor
Device II connection, the load motor II feed back position signal into load motor controller II by rotary encoder 9.
Embodiment 5:
The gearbox on-line checking testing stand according to embodiment 2 or 3, the torque sensor on the hydraulic platform III
It is connect by shaft coupling with the load motor I, the load motor I passes through cable and the load motor controller
I connection, the load motor I feed back position signal into load motor controller I by rotary encoder.
Embodiment 6:
The gearbox on-line checking testing stand according to embodiment 2 or 3, the torque sensor on the hydraulic platform IV are logical
It crosses shaft coupling to connect with the driving motor, the driving motor is connected by cable and the drive motor controller
It connects, the driving motor feeds back position signal into drive motor controller by rotary encoder；
Driving motor is mechanically connected by the input terminal of shaft coupling, torque sensor and tested gearbox, meets tested gearbox
To input shaft power, revolving speed, torque requirement, load motor passes through the output of shaft coupling, torque sensor and tested gearbox
End mechanical connection.System is furnished with hydraulic platform, for gearbox is moved to monitor station from production line, is completed at the same time centering, clamps
Operation, driving motor, load motor and the engagement of whole mechanical system with separate and by hydraulic platform mobile completion, liquid
Position sensor is installed below flattening bench, the location information of gearbox and each motor can be fed back to touch screen；
Gearbox configures independent oil cooling system, adjusts the oil temperature of tested gearbox, driving motor, load motor and corresponding
Controller shares a set of water cooling system, and position control mechanism can realize that the shift control of tested gearbox, high-precision torque pass
Sensor can realize the precise measurement of tested gearbox input, output shaft torque, and each motor end is mounted on rotary encoder,
Driving motor can realize motor speed closed-loop control, the rotary encoder of the motor of load by the feedback signal of rotary encoder
For measuring real-time rotor speed.
Embodiment 7:
A kind of detection method using gearbox on-line checking testing stand described in embodiment 1-6, this method is: will be tested first
Gearbox move to monitor station from production and assembly line, positioned by hydraulic platform I, centering, fixation it is a series of mechanical dynamic
Make, then driving motor, load motor I, load motor II are engaged with transmission input and output end respectively, are driven using one
Dynamic motor simulation engine is inputted as power, and two load motors apply negative torque in output shaft of gear-box and simulate practical work
Condition by detection system detection, record, determines test data, and tested gearbox is withdrawn into specified if test data is unqualified
Region；
Setting of the instruction realization to all electrical controls, operating parameter is sent by touch screen, completes starting, the operation of each unit
And shutdown；Touch screen passes through CAN bus and sends instruction to electric machine controller, realizes in permission revolving speed, power bracket, foundation is given
Fixed speed command constant-speed operation；In permission torque, power bracket, according to given torque instruction permanent torque operation；
Control system can logically require to complete to low tension switch point/close a floodgate, the start and stop of electric machine controller, realize and turn
The setting of the operating parameters such as square, revolving speed and protection of transfiniting；
System uses modularized design, and each section is provided with self-checking function, judges that each unit state is normal by self-test after booting
Whether, after the completion of self-test, automatically on touch screen interface the main artificial wiring point of each switching on and shutting down of display system state, for operation
With reference to and wire connection state confirmation, can timer-controlled self-inspection in system operation, it is ensured that system stable operation；
By the information processing system on touch screen backstage, the data provided each control unit are handled and are transmitted in time, when
Energy emergency shutdown, can show important information in operation interface when the abnormal conditions such as communication disruption occurs for system, instruction is lost；
Information processing system has process monitoring ability, such as failure, executes corresponding warning and defencive function, system while automatic note
Record and preservation fault message；
The control program of each unit can be downloaded, edit, modify and be run to information processing system, realize the self-test of system and initial
Change, completion status checks, test run mode, operational objective point or curve setting, Protection parameters and limitation parameter setting, lead to
Fuse tube reason etc., the working condition and operating parameter of the capital equipments such as each electric machine controller of Real time displaying, motor, gearbox will be led
Parameter is wanted to provide in the form of waveform diagram, tables of data；
Testing stand is equipped with multiple scram buttons, when breaking down, can carry out under the auxiliary of supervisory diagnostic procedure testing stand
Emergency stop cuts off failure, the safe operation of guarantee test platform.In the case where main circuit powers off suddenly, testing stand can guarantee control system
System continued power realizes corresponding protection operation, the guarantee person and equipment safety, and records fault message；
The achievable self-protection of system judges that can equipment restart by the faulty automatic classification of institute and according to precedence level code,
Convenient for excluding false failure, guarantees effective operation of apparatus, when testing number unrecoverable failure, activated according to fault level corresponding
Protective program.
Claims (7)
1. a kind of gearbox on-line checking testing stand, composition includes: touch screen, it is characterized in that: the touch screen leads to respectively
Cross Ethernet, RS232 Serial Port Line is connect with programmable logic controller (PLC) PLC, RS232/CAN communication converter, described compiles
Journey logic controller PLC passes through control line respectively and connect with water cooling system, oil cooling system, and the oil cooling system passes through
Wound oil cooling circuit is connect with gearbox, the water cooling system by water-cooling loop respectively with load motor controller II, load
Motor II connection, the load motor controller II are connect by bus with DC power supply, and the DC power supply leads to respectively
Bus is crossed to connect with drive motor controller, load motor controller I.
2. gearbox on-line checking testing stand according to claim 1, it is characterized in that: the water cooling system respectively with
Load motor I, driving motor, the load motor controller I, the drive motor controller connection, it is described
RS232/CAN communication converter passes through CAN bus respectively and the load motor controller II, the driving motor control
Device, the load motor controller I connection.
3. gearbox on-line checking testing stand according to claim 2, it is characterized in that: the gearbox be mounted on it is hydraulic
On platform I, below the hydraulic platform I there is gear to control and connect with the programmable logic controller (PLC) PLC, institute
Connect on the right side of the gearbox stated with the torque sensor on hydraulic platform II, the gearbox left side respectively with hydraulic platform
Torque sensor connection on torque sensor, hydraulic platform IV on III.
4. gearbox on-line checking testing stand according to claim 3, it is characterized in that: turning on the hydraulic platform II
Square sensor is connect by shaft coupling with the load motor II, and the load motor II passes through cable and the load
Electric machine controller II connection, the load motor II feed back position signal to load motor controller by rotary encoder
In II.
5. gearbox on-line checking testing stand according to claim 2 or 3, it is characterized in that: on the hydraulic platform III
Torque sensor connect with the load motor I by shaft coupling, the load motor I is born by cable and described
Electric machine controller I connection is carried, the load motor I feeds back position signal to load motor controller by rotary encoder
In I.
6. gearbox on-line checking testing stand according to claim 2 or 3, it is characterized in that: on the hydraulic platform IV
Torque sensor connect with the driving motor by shaft coupling, the driving motor passes through cable and the driving
Electric machine controller connection, the driving motor feed back position signal into drive motor controller by rotary encoder.
7. a kind of detection method using gearbox on-line checking testing stand described in one of claim 1-6, it is characterized in that: should
Method includes the following steps:
Tested gearbox is moved into monitor station from production and assembly line first, is positioned by hydraulic platform I, centering, fixation
A series of mechanical actions, then driving motor, load motor I, load motor II respectively with transmission input and output end
Engagement is inputted using a driving motor simulated engine as power, and two load motors apply negative in output shaft of gear-box
Actual condition is simulated in torque, by detection system detection, record, is determined test data, is tested and becomes if test data is unqualified
Fast case is withdrawn into specified region；
Setting of the instruction realization to all electrical controls, operating parameter is sent by touch screen, completes starting, the operation of each unit
And shutdown；Touch screen passes through CAN bus and sends instruction to electric machine controller, realizes in permission revolving speed, power bracket, foundation is given
Fixed speed command constant-speed operation；In permission torque, power bracket, according to given torque instruction permanent torque operation；
Control system can logically require to complete to low tension switch point/close a floodgate, the start and stop of electric machine controller, realize and turn
The setting of the operating parameters such as square, revolving speed and protection of transfiniting；
System uses modularized design, and each section is provided with self-checking function, judges that each unit state is normal by self-test after booting
Whether, after the completion of self-test, automatically on touch screen interface the main artificial wiring point of each switching on and shutting down of display system state, for operation
With reference to and wire connection state confirmation, can timer-controlled self-inspection in system operation, it is ensured that system stable operation；
By the information processing system on touch screen backstage, the data provided each control unit are handled and are transmitted in time, when
Energy emergency shutdown, can show important information in operation interface when the abnormal conditions such as communication disruption occurs for system, instruction is lost；
Information processing system has process monitoring ability, such as failure, executes corresponding warning and defencive function, system while automatic note
Record and preservation fault message；
The control program of each unit can be downloaded, edit, modify and be run to information processing system, realize the self-test of system and initial
Change, completion status checks, test run mode, operational objective point or curve setting, Protection parameters and limitation parameter setting, lead to
Fuse tube reason etc., the working condition and operating parameter of the capital equipments such as each electric machine controller of Real time displaying, motor, gearbox will be led
Parameter is wanted to provide in the form of waveform diagram, tables of data；
Testing stand is equipped with multiple scram buttons, when breaking down, can carry out under the auxiliary of supervisory diagnostic procedure testing stand
Emergency stop cuts off failure, the safe operation of guarantee test platform.In the case where main circuit powers off suddenly, testing stand can guarantee control system
System continued power realizes corresponding protection operation, the guarantee person and equipment safety, and records fault message；
The achievable self-protection of system judges that can equipment restart by the faulty automatic classification of institute and according to precedence level code,
Convenient for excluding false failure, guarantees effective operation of apparatus, when testing number unrecoverable failure, activated according to fault level corresponding
Protective program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691460.1A CN108982098A (en) | 2018-06-28 | 2018-06-28 | Gearbox on-line checking testing stand and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691460.1A CN108982098A (en) | 2018-06-28 | 2018-06-28 | Gearbox on-line checking testing stand and detection method |
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| CN108982098A true CN108982098A (en) | 2018-12-11 |
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ID=64538726
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| CN201810691460.1A Pending CN108982098A (en) | 2018-06-28 | 2018-06-28 | Gearbox on-line checking testing stand and detection method |
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| CN114061941A (en) * | 2021-10-18 | 2022-02-18 | 吉林大学 | Experimental environment adjusting test method and system for new energy vehicle gearbox and test box |
| CN114235395A (en) * | 2022-02-23 | 2022-03-25 | 江苏汇智高端工程机械创新中心有限公司 | Gearbox offline detection and self-calibration method and system |
| CN114295369A (en) * | 2021-12-30 | 2022-04-08 | 坤泰车辆系统（常州）有限公司 | Bench test method for parallel shaft type hybrid power gearbox |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111351652A (en) * | 2019-12-11 | 2020-06-30 | 齐齐哈尔精工伟业机床有限公司 | Gear box test bed |
| CN112857793A (en) * | 2021-01-15 | 2021-05-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Multi-working-condition gearbox test bed emergency stop protection control system and method |
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| CN114061941B (en) * | 2021-10-18 | 2023-12-19 | 吉林大学 | Experimental environment adjustment test method and system for new energy vehicle gearbox and test box |
| CN114295369A (en) * | 2021-12-30 | 2022-04-08 | 坤泰车辆系统（常州）有限公司 | Bench test method for parallel shaft type hybrid power gearbox |
| CN114235395A (en) * | 2022-02-23 | 2022-03-25 | 江苏汇智高端工程机械创新中心有限公司 | Gearbox offline detection and self-calibration method and system |
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Application publication date: 20181211 |