CN208937324U - A kind of speed changer fatigue life test device - Google Patents
A kind of speed changer fatigue life test device Download PDFInfo
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- CN208937324U CN208937324U CN201821706211.7U CN201821706211U CN208937324U CN 208937324 U CN208937324 U CN 208937324U CN 201821706211 U CN201821706211 U CN 201821706211U CN 208937324 U CN208937324 U CN 208937324U
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- speed changer
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Abstract
The utility model discloses a kind of speed changer fatigue life test devices, including testboard bay and analysis process system；Testboard bay provides driving torque and fictitious load torque by power battery for driving motor and load motor；Speed changer is installed between driving motor and load motor；Pass through the transmission efficiency of input pickup, the available speed changer of output transducer；It can be with the operating condition of analog vibration by setting shake table；It further include a temperature-controlled cabinet to simulate the operating temperature of speed changer；And sensor noise, to test the noise and abnormal sound of speed changer；Multiple tooth gear and speed probe are used to test the revolving speed of speed changer；Analysis process system includes printer, processor, display, and the processor reception and analysis handle the data of the input pickup, output transducer, speed probe, sensor noise.
Description
Technical field:
The utility model relates to gearbox reliability tests, and in particular to a kind of speed changer fatigue life test device.
Background technique:
The fatigue life of speed changer is the important indicator for examining the comprehensive service performance of speed changer, under each gear, speed change
Torque that device is transmitted, revolving speed are all different, further include the factors such as temperature, vibration.Therefore the testing fatigue of speed changer, needs comprehensive
It closes each because usually determining.
Utility model content:
To integrate the test of each factor for the testing fatigue of gearbox, the utility model provide one kind can integrate it is a variety of because
The speed changer fatigue life test device of element.
The technical solution is speed changer fatigue life test device, including a testboard bay and an analysis processing system
System.Testboard bay include power battery, drive motor controller, driving motor, input pickup, shake table, speed probe,
Multiple tooth gear, output transducer, load motor, load motor controller；The drive motor controller and the load motor
Controller is connected to the power battery, and the driving motor control is connected to the drive motor controller, the load electricity
Machine control is connected to the load motor controller；The driving motor is connected to the input terminal of speed changer, the speed changer peace
It is attached on the shake table, the output end of the speed changer is connected to the load motor；The input pickup is connected to institute
It states between driving motor and speed changer, the output transducer is connected between the load motor and the speed changer；It is described
Multiple tooth gear is installed on the axis of the speed changer, and speed probe and the multiple tooth Gear Contact are installed；It further include temperature control
Case processed, the temperature-controlled cabinet are to accommodate described one closed cabinet of speed changer；Heating machine is connected to the temperature-controlled cabinet；
Refrigeration machine is connected to the temperature-controlled cabinet；It further include sensor noise, the sensor noise is mounted on the temperature control
On case；Analysis process system includes printer, processor, display, and the processor receives the input pickup, output passes
Sensor, speed probe, sensor noise.
Its technical principle is that testboard bay exports DC current to drive motor controller and load electricity by power battery
Machine controller, drive motor controller export three-phase current and control driving motor, and load motor controller exports three-phase electricity flow control
Load motor processed.Driving motor output end and transmission input are direct-connected, and load motor output end and transmission output are direct-connected.
Input pickup is connected between the driving motor and speed changer, and the output transducer is connected to the load motor and institute
It states between speed changer.Input pickup and output transducer pass through correlation data it can be concluded that speed changer transmission efficiency, to
Indicate the situation under different transmission efficiencies of speed changer fatigue life.Drive motor controller control driving motor reaches finger
Determine torque；Load motor controller controls control load motor by revolving speed and reaches specified revolving speed offer loading moment, can with this
Simulate the operating condition of different roads；Electric current caused by load motor passive rotation can also flow back to driving motor end, therefore can save
The about energy.And speed changer installation is on a vibration table, shake table can realize the operating condition in simulation reality by analog vibration.It is more
Gear and speed probe are used to test the revolving speed of transmission output shaft, when a toe joint of speed probe and multiple tooth gear
Touching then generates a square wave, it is possible thereby to calculate the revolving speed of transmission output shaft.Temperature-controlled cabinet connects heating machine and refrigeration
Machine can control the temperature of the working environment of speed changer, therefore can simulate the operating condition of speed changer under different temperatures.Noise sensing
Device is mounted on the control cabinet noise and abnormal sound that can test speed changer, touches tooth situation to prompt speed changer.We
Case is additionally provided with an analysis process system, by the input pickup of testboard bay, output transducer, speed probe, noise
Sensor is connected to a processor, and the data that processor can pass the above sensor back carry out processing analysis, and are shown in
It is printed on one display or by printer.
Further, further include the input pedestal for installing the driving motor, the output pedestal of the load motor is installed.
Further, the input pickup, output transducer are all torque sensor.By the way that torque sensor is arranged,
The transmission efficiency of speed changer can be tested.
Further, the load motor peak torque be greater than driving motor peak torque and the transmission gear ratio it
Product.The peak torque that load motor can be generated should be greater than the peak torque of driving motor, in this way could enough fictitious load works
Condition, for different speed changers, speed ratio is different, then to driving motor and load motor type selecting when should be noted that load motor and
The peak torque parameter of driving motor.
Further, the power battery is connected to charging pile.Power battery connection pool charging pile, can charge.
The beneficial effect of the utility model is:
1, the speed changer fatigue life test device is controlled the torque of driving motor using electric machine controller and by negative
Motor simulation load torque is carried, various working can be simulated；
2, by setting input pickup and output transducer, be conducive to test the current transmission efficiency of speed changer；
3, by the way that multiple tooth gear and speed probe is arranged, the revolving speed of transmission output shaft can be tested；
4, by setting temperature-controlled cabinet, be conducive to simulate speed changer in the operating condition of different temperatures；
5, by setting sensor noise, be conducive to the noise and abnormal sound of testing speed changer, understand speed changer touches tooth feelings
Condition；
6, by setting analysis process system, be conducive to the data for obtaining the sensor of testboard bay and carry out at analysis
Reason.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Marked in the figure: 1- power battery, 2- input pedestal, 3- drive motor controller, 4- driving motor, 5- shaft coupling,
6- input pickup, 7- speed changer, 8- bumper, 9- speed probe, the multiple tooth gear of 10-, 11- output transducer, 12- load
Motor, 13- export pedestal, 14- load motor controller, 15- heating machine, 16- temperature-controlled cabinet, 17- sensor noise, 18-
Refrigeration machine, 19- printer, 20- processor, 21- display.
Specific embodiment:
Embodiment one:
It is as shown in Figure 1 a preferred embodiment, speed changer fatigue life test device includes a testboard bay and one
A analysis process system.Testboard bay includes power battery 1, drive motor controller 3, driving motor 4, input pickup 6, vibration
Dynamic platform 8, speed probe 9, multiple tooth gear 10, output transducer 11, load motor 12, load motor controller 14.Driving electricity
Machine 4 is mounted on input pedestal 2, and load motor 12 is mounted on output pedestal 13；Drive motor controller 3 and load motor control
Device 14 is connected to power battery 1, and the control of driving motor 4 is connected to drive motor controller 3, and the control of load motor 12 is connected to negative
Carry electric machine controller 14；Speed changer 7 is installed on shake table 8, and driving motor 4 is connected to the input terminal of speed changer 7, speed changer 7
Output end be connected to load motor 12.It should be noted that load motor 12 peak torque be greater than 4 peak torque of driving motor with
The product of 7 speed ratio of speed changer, the peak torque that load motor 12 can be generated should be greater than the peak torque of driving motor 4, this
Sample ability fictitious load operating condition enough, for different speed changers, speed ratio is different, then to driving motor 4 and load motor 12
It should be noted that peak torque parameter when type selecting.
Input pickup 6 is connected between driving motor 4 and speed changer 7, and output transducer 11 is connected to load motor 12
Between speed changer 7；In the embodiment, input pickup 6, output transducer 11 are all torque sensor.Temperature-controlled cabinet 16
To accommodate 7 one closed cabinets of speed changer；Heating machine 15 is connected to working environment of the control cabinet 16 to improve speed changer 7
Temperature；Refrigeration machine 18 is connected to temperature of the control cabinet 16 to reduce by 7 working environment of speed changer；Sensor noise 17 is mounted on temperature
It spends on control cabinet 16.Analysis process system includes printer 19, processor 20, display 21, and processor 20 receives input sensing
The data of device 6, output transducer 11, speed probe 9, sensor noise 17.
Testboard bay exports DC current by power battery 1, gives drive motor controller 3 and load motor controller
14,4 controller 3 of driving motor exports three-phase current and controls driving motor, and load motor controller 14 exports three-phase current control
Load motor 12.4 output end of driving motor and 7 input terminal of speed changer are direct-connected, 12 output end of load motor and 7 output end of speed changer
It is direct-connected.Input pickup 6 is connected between driving motor 4 and speed changer 7, and output transducer 11 is connected to load motor 12 and becomes
Between fast device 7.Input pickup 6 and output transducer 11 are by comparing input torque and output torque value it can be concluded that speed changer
7 transmission efficiency, to indicate situation of 7 fatigue life of speed changer under different transmission efficiencies.Drive motor controller 3 is controlled
Driving motor 4 processed reaches specific torsion；Load motor controller 14 controls control load motor 12 by revolving speed and reaches specified turn
Speed provides loading moment, and the operating condition of different roads is gone out with this analog.And electric current caused by 12 passive rotation of load motor is also
4 end of driving motor can be flowed back to, therefore can be energy saving.Speed changer 7 is mounted on shake table 8, and shake table 8 can be shaken by simulation
It moves to realize the operating condition in simulation reality.Multiple tooth gear 10 and speed probe 9 are used to test the revolving speed of 7 output shaft of speed changer,
Multiple gear 10 is rotated with the rotation of transmission output shaft, when a tooth contact of speed probe 9 and multiple tooth gear 10,
A square wave is then generated, therefore by calculating square wave number, the revolving speed of 7 output shaft of speed changer can be calculated.Temperature-controlled cabinet
16 connection heating machines 17 and refrigeration machine 18 can control the temperature of the working environment of speed changer 7, therefore can simulate different temperatures
The operating condition of lower speed changer 7.Sensor noise 17 is mounted on the temperature-controlled cabinet 16 noise that can test speed changer 7 and different
It rings, touches tooth situation to prompt speed changer 7.This programme is additionally provided with an analysis process system, by the input of testboard bay
Sensor 6, output transducer 11, speed probe, sensor noise 17 are connected to a processor 20, and processor 20 can incite somebody to action
The data that the above sensor is passed back carry out processing analysis, and are shown on a display 21 or are printed by printer 19
Come.The test and analysis of this test device can make such: under different operating conditions, test speed change by sensor noise 17
The noise of device 7 is then mentioned when the frequency that abnormal sound occurs is increasing or when noise waveform shows larger possible abnormal
Show that the speed changer 7 has reached fatigue limit；The speed changer 7 is known that according to the square wave number that speed probe 9 is tested
The number of work times, i.e. gear engagement.Also record has temperature parameter, vibration parameters and by 6 and of input pickup simultaneously
The transmission efficiency that output transducer 11 obtains.Therefore the test device can be with the analysis and comparison of multi-parameter, and then understands the change
Many-sided performance of fast device.Power battery 1 can connect to charging pile in the program, therefore can fill to power battery
Electricity.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of speed changer fatigue life test device, which is characterized in that including
Testboard bay, including power battery (1), drive motor controller (3), driving motor (4), input pickup (6), vibration
Platform (8), speed probe (9), multiple tooth gear (10), output transducer (11), load motor (12), load motor controller
(14)；The drive motor controller (3) and the load motor controller (14) are connected to the power battery (1), described
Driving motor (4) control is connected to the drive motor controller (3), and load motor (12) control is connected to the load
Electric machine controller (14)；The driving motor (4) is connected to the input terminal of speed changer (7), and the speed changer (7) is installed to described
On shake table (8), the output end of the speed changer (7) is connected to the load motor (12)；Input pickup (6) connection
Between the driving motor (4) and speed changer (7), the output transducer (11) is connected to the load motor (12) and institute
It states between speed changer (7)；The multiple tooth gear (10) is installed on the axis of the speed changer (7), speed probe (9) with it is described
Multiple tooth gear (10) contact installation；It further include temperature-controlled cabinet (16), the temperature-controlled cabinet (16) is to accommodate the speed changer
(7) closed cabinets；Heating machine (15) is connected to the temperature-controlled cabinet (16)；Refrigeration machine (18) is connected to the temperature
Control cabinet (16)；It further include sensor noise (17), the sensor noise (17) is mounted on the temperature-controlled cabinet (16)；
And
Analysis process system, including printer (19), processor (20), display (21), described in the processor (20) receives
The data of input pickup (6), output transducer (11), speed probe (9), sensor noise (17).
2. a kind of speed changer fatigue life test device according to claim 1, which is characterized in that further include described in installation
The input pedestal (2) of driving motor (4) installs the output pedestal (13) of the load motor (12).
3. a kind of speed changer fatigue life test device according to claim 1, which is characterized in that the input pickup
(6), output transducer (11) is all torque sensor.
4. a kind of speed changer fatigue life test device according to claim 1, which is characterized in that the load motor
(12) peak torque is greater than the product of driving motor (4) peak torque and the speed changer (7) speed ratio.
5. a kind of speed changer fatigue life test device according to claim 1, which is characterized in that the power battery
(1) it is connected to charging pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821706211.7U CN208937324U (en) | 2018-10-22 | 2018-10-22 | A kind of speed changer fatigue life test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821706211.7U CN208937324U (en) | 2018-10-22 | 2018-10-22 | A kind of speed changer fatigue life test device |
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| Publication Number | Publication Date |
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| CN208937324U true CN208937324U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821706211.7U Active CN208937324U (en) | 2018-10-22 | 2018-10-22 | A kind of speed changer fatigue life test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389029A (en) * | 2019-07-30 | 2019-10-29 | 上海迦锐自动化检测科技有限公司 | A kind of the vibration life detection method and detection device of automobile electric bridge |
| CN111595579A (en) * | 2020-06-19 | 2020-08-28 | 重庆青山工业有限责任公司 | Transmission error test system of gearbox |
-
2018
- 2018-10-22 CN CN201821706211.7U patent/CN208937324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389029A (en) * | 2019-07-30 | 2019-10-29 | 上海迦锐自动化检测科技有限公司 | A kind of the vibration life detection method and detection device of automobile electric bridge |
| CN111595579A (en) * | 2020-06-19 | 2020-08-28 | 重庆青山工业有限责任公司 | Transmission error test system of gearbox |
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