CN102331345A - Analog loading test device of walking chassis speed changing box of combine harvester - Google Patents
Analog loading test device of walking chassis speed changing box of combine harvester Download PDFInfo
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- CN102331345A CN102331345A CN201110169417A CN201110169417A CN102331345A CN 102331345 A CN102331345 A CN 102331345A CN 201110169417 A CN201110169417 A CN 201110169417A CN 201110169417 A CN201110169417 A CN 201110169417A CN 102331345 A CN102331345 A CN 102331345A
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Abstract
The invention discloses an analog loading test device of a walking chassis speed changing box of a combine harvester, comprising an installation base, a drive part, a speed changing box fixing device, a loading part, a vibration measuring system, a noise measuring system, a box body temperature measuring system, a lubricating oil temperature measuring system and a central control cabinet. According to the invention, a speed governing motor is used as power, two magnetic powder brakes independently apply working loads, the whole system is provided with three sets of torsion rotating speed sensors, one set of vibration detection system, one set of noise detection system and one set of box body temperature and oil temperature system, and all detection signals are transmitted to an industrial control machine of the central control cabinet and displayed in real time and recorded and stored; control signals of the magnetic powder brakes are provided by an analog output card and are programmed in control software; and two paths of output voltages are respectively controlled by using a function, thus simulation of a complex working condition can be realized, and a fatigue test can be carried out.
Description
Technical field
The present invention relates to a kind of united reaper walking chassis wheel box simulation loading test unit, be mainly used in the measurement of united reaper walking chassis wheel box being carried out lab simulation load test and wheel box vibration, noise, bearing temperature, lubricating oil temperature.
Background technology
United reaper walking chassis wheel box is important process parts of united reaper, distributes to running wheel after being mainly used in the dynamic retarding with engine output, thereby realizes actions such as harvester advances, retreats, turning, speed change.Wheel box simulation loading test unit can simulate the load of united reaper wheel box under operating modes such as field harvesting, plot transfer, road walking, to carry out serviceability and reliability testing, is the visual plant of wheel box factory testing product quality.Existing disclosed wheel box simulation loading testing table is a subjects with the main-gear box of various vehicles and engineering machinery mainly; Like the patent No. is that the Chinese patent " automobile gearbox load detect testing table " of ZL200410019970.2 is a detected object with automobile hand, automatic catch wheel box just, is the load source with the direct current generator.And the united reaper condition of work is different with automobile; The slow resistance of speed was big when gathered in the field; The plot was impacted frequent when shifting ditch and crossing bank; Higher drag is less again for road when walking speed, and the structure of harvester wheel box also has very big-difference with automobile gearbox, so the vehicle-use transmission case loads and detects the detection that testing table can not directly be used for united reaper walking chassis wheel box.The present invention just cooperates operating modes such as speed reduction unit simulation united reaper low-speed big and the little moment of torsion of middling speed with magnetic powder brake, detect the serviceability of wheel box.
Summary of the invention
The present invention is in order to go out the various load of united reaper walking wheel box at lab simulation; Wheel box is carried out load test; Promptly detect parameters such as wheel box each gear transmits under various conditions of work moment of torsion, ratio of gear and wheel box vibration, noise, temperature variation, and parts such as the gear of wheel box, bearing, sealing are carried out the reliability examination; Also can be used for new design wheel box is carried out serviceability and fail-test, to eliminate design defect.
Technical scheme of the present invention is: this device is made up of mounting seat, drive division, wheel box stationary installation, loading portion, Vibration-Measuring System, noise measurement system, temperature measurement system and central switch board.Drive division comprises speed governing drive motor, drive pulley A, belt, reaches drive pulley B, bearing seat A, bearing seat B, driving shaft, driving torque speed probe and shaft coupling A, shaft coupling B; Drive pulley A is installed on the speed governing drive motor; Be connected with drive pulley B on being installed in driving shaft through belt; The two ends of driving shaft have bearing seat A and bearing seat B that driving shaft is fixed on the mounting seat; Driving shaft is equipped with shaft coupling B at the opposite side of bearing seat A, and links to each other with the driving torque speed probe through it, and the other end of sensor links to each other with wheel box through shaft coupling A.The wheel box stationary installation is fixed on wheel box on the mounting seat.There are two covers in loading portion; Comprise shaft coupling F, loading axle, bearing seat, shaft coupling E separately, load torque speed sensor, shaft coupling D, speed reduction unit, shaft coupling C and magnetic powder brake; After each parts is sequentially arranged in wheel box two output shafts, about the wheel box symmetric arrangement, wherein shaft coupling F will load the axle link to each other with output shaft of gear-box; Loading axle is fixed on the mounting seat by bearing seat C; The other end that loads axle links to each other with the loading torque speed sensor through shaft coupling E, and the other end of sensor links to each other with speed reduction unit through shaft coupling D, and the other end of speed reduction unit links to each other with magnetic powder brake through shaft coupling C.Magnetic powder brake, speed reduction unit, each torque speed sensor, each bearing seat all are fixedly connected with mounting seat through support respectively, and central switch board places the side of system.
Said speed governing drive motor is by the driving governor control of central switch board; Produce test required rotating speed and driving force; Reach driving shaft by belt wheel and belt, successively through behind shaft coupling B, driving torque speed probe, the shaft coupling A, the input shaft that drives wheel box is accomplished drive actions again.
Said magnetic powder brake produces specific load torque under the load controller control of central switch board, import the output shaft completion loading action of wheel box successively into through shaft coupling C, speed reduction unit, shaft coupling D, loading torque speed sensor, shaft coupling E, bearing seat, loading axle, shaft coupling F; Wherein, Left and right wheels magnetic powder brake output torque is by the independent control of two tunnels analogy amounts output, through the computer software programming, by the size and the form of functions control voltage analog output; To realize simulation harvester farm work operating mode, also can carry out tired bench test; The load torque that speed reduction unit is used for magnetic powder brake is produced amplifies, and loads the real-time measurement that torque speed sensor then amplifies back moment of torsion and rotating speed.
Said Vibration-Measuring System is made up of vibration signals collecting card in 3 axis vibration sensor that are installed in gearbox body, the central switch board and vibration signal record analysis software.Said noise measurement system is formed with sound meter, noise signal capture card and the noise signal record analysis software in interior place by being installed in apart from wheel box 30cm.Said fuel temperature measurement system is made up of the temperature sensor that sticks on the wheel box surface, oil temperature sensor, temperature signal collection card and the thermograph analysis software in the wheel box.The various control signals in central authorities' switch board and the measuring-signal of each sensor are presented on the display, and are stored on the hard disk.
Beneficial effect of the present invention: united reaper walking chassis wheel box simulation loading test unit can reproduce the wheel box field course of work.Being characterized in, is power drive wheel box to be measured with the buncher, and series connection 1 cover torque speed sensor is to realize the monitoring of power input between motor and wheel box; Adopt 2 magnetic powder brakes to produce operating load; The magnetic powder brake control signal is provided by load controller (analog output unit); And by the torque speed sensor monitoring actual torque and the rotating speed of connecting with it; Through in Control Software, programming, but 2 tunnel control signal independent variation, so that the load of magnetic powder brake chassis wheel box when simulating united reaper work.Total system comprises 1 cover input torque speed probe, 2 cover output torque speed probes, 1 cover vibration detecting system; 1 cover walkaway system; 1 cover spin manifold temperature and oily temperature detection system, all detection signals all reach in the industrial computer of central switch board, show in real time and store.This testing table can detect each running parameter of wheel box; And use function program control load; Not only can real simulated farm work situation; And can carry out complete detection and analysis to wheel box serviceability and reliability, advanced, simple and practical, the convenient manufacturing that possesses skills, the advantage that simulate effect is good, accuracy of detection is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a united reaper walking chassis wheel box simulation loading testing table vertical view.
Fig. 2 is the testing table side view.
Fig. 3 is sensor installation example figure.
Among the figure: 1. speed governing drive motor, 2. drive pulley A, 3. shaft coupling A, 4. belt, 5. driving torque speed probe, 6. shaft coupling B; 7. bearing seat A, 8. drive pulley B, 9. driving shaft, 10. bearing seat B, 11. shaft coupling C, 12. magnetic powder brakes; 13. speed reduction unit, 14. shaft coupling D, 15. load torque speed sensor, 16. shaft coupling E, 17. bearing seat C; 18. input shaft, 19. shaft coupling F, 20. wheel box stationary installations, 21. wheel boxes, 22. mounting seat; 23. central switch board, 24. sound meters, 25. oil temperature sensors, 26. vibration transducers, 27. surface temperature sensors.
Embodiment
Device is arranged and transmission sees also Fig. 1, Fig. 2.Except that speed governing drive motor 1, central switch board 23; All the other service parts and driving member all are fixed on the mounting seat 22 through bearing; Speed governing drive motor 1 is installed in the side of whole device, is connected with driving shaft 9 through drive pulley A2, belt 4, drive pulley B8, and central switch board is the display controller of test unit; Link to each other with speed governing drive motor 1, magnetic powder brake 12 and each sensor through signal wire, control signal is provided and shows the data that collect.During test, at first open the drive motor controller in the central switch board, make speed governing drive motor rotation outputting power; This power arrives driving shaft 9 through drive pulley A2, belt 4, drive pulley B8; Behind shaft coupling B6, driving torque speed probe 5, shaft coupling A3, pass to wheel box 21 to be measured again, wherein sensor can be measured rotating speed and the moment of torsion that drives power, to assist to judge whether reach testing requirements; If it is undesirable; Then need adjust the output signal of drive motor controller, make drive motor raising speed or reduction of speed, up to reaching testing requirements.
Testing required load is provided by magnetic powder brake 12; This load reaches wheel box 13 behind shaft coupling C11; The reduction of speed liter effect of carrying by wheel box is amplified load, finally reaches wheel box 21 to be measured by shaft coupling D14, loading torque speed sensor 15, shaft coupling E16, input shaft 18, shaft coupling F19 successively again.Load controller in central authorities' switch board; Load torque speed sensor and main control software and form control loop; Controller can produce independently 2 tunnel analog quantitys output with the loading moment of torsion of control magnetic powder brake; Moment of torsion after sensor measurement amplifies, software judge whether the moment of torsion that records reaches testing requirements, and adjust the output quantity of controller accordingly.It is pointed out that Control Software can move automatically, also can accomplish and judge with output quantity and adjust by operating personnel.
Go back involving vibrations sensor 26, oil temperature sensor 25, surface temperature sensor 27 and noise transducer 24 in the test unit; These sensors link to each other with data acquisition system (DAS) in the central switch board through wired or wireless mode; And the signal of gathering shown, is stored in each instrument or the computing machine, supply data analysis to use.The installation site of sensor is relatively freer, only need satisfy testing requirements and get final product, and the position among Fig. 3 is an example, and other installation sites also should be regarded as the protection domain of this patent.
Claims (1)
1. a united reaper walking chassis wheel box simulation loading test unit is characterized in that: comprise mounting seat, drive division, wheel box stationary installation, loading portion, Vibration-Measuring System, noise measurement system, temperature measurement system and central switch board;
Said drive division comprises speed governing drive motor (1), drive pulley A (2), belt (4), reaches drive pulley B (8), bearing seat A (7), bearing seat B (10), driving shaft (9), driving torque speed probe (5) and shaft coupling A (3), shaft coupling B (6); Said drive pulley A (2) is installed on the speed governing drive motor (1); Drive pulley A (2) is connected with drive pulley B (8) on being installed in driving shaft (9) through belt (4); The two ends of driving shaft (9) are provided with bearing seat A (7) and bearing seat B (10); Said driving shaft (9) is fixed on the mounting seat (22) through bearing seat A (7) and bearing seat B (10); Said driving shaft (9) is provided with shaft coupling B (6) in the side of bearing seat A (7); And link to each other with an end of driving torque speed probe (5) through shaft coupling B (6), the other end of said driving torque speed probe (5) passes through shaft coupling A (3) and links to each other with wheel box (21); Wheel box (21) is fixed on the mounting seat through wheel box stationary installation (20);
There are two covers in said loading portion, respectively comprises shaft coupling F (19), loads axle (18), a bearing seat (17), shaft coupling E (16), loads torque speed sensor (15), shaft coupling D (14), speed reduction unit (13), shaft coupling C (11) and magnetic powder brake (12); After each parts is sequentially arranged in wheel box two output shafts, about the wheel box symmetric arrangement; The end that said shaft coupling F (19) will load axle (18) links to each other with output shaft of gear-box; Loading axle (18) is fixed on the mounting seat (22) by bearing seat C (17); The other end that loads axle (18) links to each other with an end that loads torque speed sensor (15) through shaft coupling E (16); The other end that loads torque speed sensor (15) links to each other with an end of speed reduction unit (13) through shaft coupling D (14), and the other end of speed reduction unit (13) links to each other with magnetic powder brake (12) through shaft coupling C (11); Magnetic powder brake (12), speed reduction unit (13), each torque speed sensor, each bearing seat all are fixedly connected with mounting seat (22) through support respectively; The moment of torsion of speed governing drive motor (1) and rotating speed are measured and are sent to being presented in the central switch board and keep watch on the instrument through torque speed sensor;
Said central switch board (23) places the side of system; Said speed governing drive motor (1) is by the driving governor control of central switch board (23); Buncher provides driving force to test unit; Produce load torque by two cover magnetic powder brakes, driving and load torque rotating speed are all monitored and are presented at by torque speed sensor and keep watch on the instrument;
Said Vibration-Measuring System is made up of the vibration signals collecting card and the vibration signal record analysis software that are installed in 3 axis vibration sensor (26) of gearbox body, the central switch board (23), and 3 axis vibration sensor (26) connect the vibration signals collecting card;
Said noise measurement system is formed with noise signal capture card in the sound meter (24) in interior place, the central switch board (23) and noise signal record analysis software by being installed in apart from wheel box 30cm, and sound meter (24) connects the noise signal capture card;
Said fuel temperature measurement system is made up of the temperature sensor (27) that sticks on the wheel box surface, the oil temperature sensor (25) in the wheel box, temperature signal collection card and the thermograph analysis software in the central switch board (23), and temperature sensor (27), oil temperature sensor (25) connect the temperature signal collection card respectively; Various control signals in central authorities' switch boards (23) are presented on the display with the measuring-signal of each sensor, and are stored on the hard disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169417.7A CN102331345B (en) | 2011-06-22 | 2011-06-22 | Analog loading test device of walking chassis speed changing box of combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169417.7A CN102331345B (en) | 2011-06-22 | 2011-06-22 | Analog loading test device of walking chassis speed changing box of combine harvester |
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| CN102331345A true CN102331345A (en) | 2012-01-25 |
| CN102331345B CN102331345B (en) | 2014-06-18 |
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| CN201110169417.7A Expired - Fee Related CN102331345B (en) | 2011-06-22 | 2011-06-22 | Analog loading test device of walking chassis speed changing box of combine harvester |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706558A (en) * | 2012-06-15 | 2012-10-03 | 索特传动设备有限公司 | Test platform for testing automatic gearbox |
| CN103604453A (en) * | 2013-10-22 | 2014-02-26 | 苏州镭明激光科技有限公司 | Multifunctional testing device for CVT gearboxes |
| CN103776627A (en) * | 2012-10-26 | 2014-05-07 | 江苏骏马压路机械有限公司 | Road pressing machinery power transmission system simulation matching test device |
| CN104297012A (en) * | 2014-11-07 | 2015-01-21 | 南宁市南北动力有限公司 | Working performance test bench for large rotary cultivator |
| CN105223018A (en) * | 2015-09-29 | 2016-01-06 | 北汽福田汽车股份有限公司 | Pilot system |
| CN105890918A (en) * | 2016-05-27 | 2016-08-24 | 山东省农业机械科学研究院 | Corn harvester ear plucking header test bench |
| CN105973592A (en) * | 2016-07-25 | 2016-09-28 | 四川诚邦浩然测控技术有限公司 | Gearbox test system |
| CN106404389A (en) * | 2016-09-22 | 2017-02-15 | 淮南国力液压装备有限公司 | Gearbox loading running-in testing stand on agricultural machinery equipment |
| CN106679971A (en) * | 2016-12-22 | 2017-05-17 | 临颍县颍机机械制造有限公司 | Experimental device for winding gearbox of round baler |
| CN106769015A (en) * | 2016-12-28 | 2017-05-31 | 华东交通大学 | A kind of Dynamic Characteristics of Drive System experimental bench measurement apparatus and detection method |
| CN107328572A (en) * | 2017-07-03 | 2017-11-07 | 贵州凯星液力传动机械有限公司 | A kind of multifunctional high-power automatic transmission overall test device |
| CN108168869A (en) * | 2018-01-10 | 2018-06-15 | 农业部南京农业机械化研究所 | A kind of rotary tillage machine run-in stand |
| CN109029988A (en) * | 2018-09-13 | 2018-12-18 | 安徽精科检测技术有限公司 | Multifunction flexible gearbox test macro |
| CN109100167A (en) * | 2018-09-04 | 2018-12-28 | 四川省农业机械研究设计院 | The Testing Platform of ridge culture crop harvester |
| CN109238696A (en) * | 2018-10-29 | 2019-01-18 | 宁夏天地奔牛实业集团有限公司 | Intelligent horizontal axis cutting speed reducer load test system and load test method |
| CN109855779A (en) * | 2018-12-20 | 2019-06-07 | 佛山市罗斯特传动设备有限公司 | A kind of planetary reducer Torque Measuring System and test method |
| CN110276163A (en) * | 2019-07-10 | 2019-09-24 | 中国农业大学 | A kind of combine harvester feeding screw feeder fault simulation system and method |
| CN113899561A (en) * | 2021-08-18 | 2022-01-07 | 北京信息科技大学 | Impact working condition simulation device and method for confluence planetary gear system |
| CN114544170A (en) * | 2022-01-28 | 2022-05-27 | 江苏大学 | Fatigue test bed for gearbox assembly of crawler-type combine harvester |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102706558A (en) * | 2012-06-15 | 2012-10-03 | 索特传动设备有限公司 | Test platform for testing automatic gearbox |
| CN102706558B (en) * | 2012-06-15 | 2014-12-10 | 索特传动设备有限公司 | Test platform for testing automatic gearbox |
| CN103776627A (en) * | 2012-10-26 | 2014-05-07 | 江苏骏马压路机械有限公司 | Road pressing machinery power transmission system simulation matching test device |
| CN103604453A (en) * | 2013-10-22 | 2014-02-26 | 苏州镭明激光科技有限公司 | Multifunctional testing device for CVT gearboxes |
| CN103604453B (en) * | 2013-10-22 | 2016-09-21 | 苏州镭明激光科技有限公司 | Multipurpose test system for CVT change speed gear box |
| CN104297012A (en) * | 2014-11-07 | 2015-01-21 | 南宁市南北动力有限公司 | Working performance test bench for large rotary cultivator |
| CN105223018A (en) * | 2015-09-29 | 2016-01-06 | 北汽福田汽车股份有限公司 | Pilot system |
| CN105890918A (en) * | 2016-05-27 | 2016-08-24 | 山东省农业机械科学研究院 | Corn harvester ear plucking header test bench |
| CN105973592A (en) * | 2016-07-25 | 2016-09-28 | 四川诚邦浩然测控技术有限公司 | Gearbox test system |
| CN106404389A (en) * | 2016-09-22 | 2017-02-15 | 淮南国力液压装备有限公司 | Gearbox loading running-in testing stand on agricultural machinery equipment |
| CN106679971A (en) * | 2016-12-22 | 2017-05-17 | 临颍县颍机机械制造有限公司 | Experimental device for winding gearbox of round baler |
| CN106769015A (en) * | 2016-12-28 | 2017-05-31 | 华东交通大学 | A kind of Dynamic Characteristics of Drive System experimental bench measurement apparatus and detection method |
| CN107328572A (en) * | 2017-07-03 | 2017-11-07 | 贵州凯星液力传动机械有限公司 | A kind of multifunctional high-power automatic transmission overall test device |
| CN107328572B (en) * | 2017-07-03 | 2020-04-24 | 贵州凯星液力传动机械有限公司 | Multifunctional high-power automatic hydraulic transmission complete machine test device |
| CN108168869A (en) * | 2018-01-10 | 2018-06-15 | 农业部南京农业机械化研究所 | A kind of rotary tillage machine run-in stand |
| CN109100167A (en) * | 2018-09-04 | 2018-12-28 | 四川省农业机械研究设计院 | The Testing Platform of ridge culture crop harvester |
| CN109029988A (en) * | 2018-09-13 | 2018-12-18 | 安徽精科检测技术有限公司 | Multifunction flexible gearbox test macro |
| CN109238696A (en) * | 2018-10-29 | 2019-01-18 | 宁夏天地奔牛实业集团有限公司 | Intelligent horizontal axis cutting speed reducer load test system and load test method |
| CN109238696B (en) * | 2018-10-29 | 2024-04-05 | 宁夏天地奔牛实业集团有限公司 | Loading test system and loading test method for intelligent transverse shaft cutting speed reducer |
| CN109855779A (en) * | 2018-12-20 | 2019-06-07 | 佛山市罗斯特传动设备有限公司 | A kind of planetary reducer Torque Measuring System and test method |
| CN110276163A (en) * | 2019-07-10 | 2019-09-24 | 中国农业大学 | A kind of combine harvester feeding screw feeder fault simulation system and method |
| CN110276163B (en) * | 2019-07-10 | 2024-01-19 | 中国农业大学 | Feeding auger fault simulation system and method for combine harvester |
| CN113899561A (en) * | 2021-08-18 | 2022-01-07 | 北京信息科技大学 | Impact working condition simulation device and method for confluence planetary gear system |
| CN114544170A (en) * | 2022-01-28 | 2022-05-27 | 江苏大学 | Fatigue test bed for gearbox assembly of crawler-type combine harvester |
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