CN103104664B - A kind of Vibration Test Systems of automobile-used two gear planet speed change mechanisms - Google Patents
A kind of Vibration Test Systems of automobile-used two gear planet speed change mechanisms Download PDFInfo
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- CN103104664B CN103104664B CN201310022195.5A CN201310022195A CN103104664B CN 103104664 B CN103104664 B CN 103104664B CN 201310022195 A CN201310022195 A CN 201310022195A CN 103104664 B CN103104664 B CN 103104664B
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Abstract
The invention discloses a kind of automobile-used two gear planet speed change mechanism and Vibration Test Systemss, comprise two motors, two planet rows, two breaks, two groups of torque and speed sensorses, three groups of foil gauges and four diaphragm couplings; Two motors provide power to input and load respectively; First planet row and the second planet row include sun gear, planet carrier and planetary gear set and gear ring; Two breaks are respectively to the gear ring of first planet row and the planet carrier braking of the second planet row; Three groups of foil gauges measure the gear ring stress of sun gear, gear ring and the second planet row that first planet is arranged respectively; Four diaphragm couplings are respectively used to connect the output block of input that input end, output terminal and torque and speed sensors and torque and speed sensors and first planet arrange, the second planet row.The present invention is applicable to the gear of heavy vehicle or low speed engineering vehicle, solves the problems such as a gear speed ratio is little, structure is not compact, and carrying amplitude is narrow; Also be applicable to the Vibration Test Systems of gear simultaneously.
Description
Technical field
Invention relates to a kind of automobile-used two grades of planet speed change mechanisms and Vibration Test Systems, belongs to topics on vehicle structure technology field.
Background technique
Along with the quick growth of the infrastructure development project such as city rail, Construction of Highway Traffic in recent years, also continue to increase the demand of heavy vehicle and low speed Engineering vehicle, once supply falls short of demand.
Under these vehicles often operate in complicated operating conditions, the speed variator system of utilitarian design carrys out lifting vehicle power performance under various operating conditions and fuel economy is significantly.
At present, the speed variator system that these two kinds of vehicles domestic are conventional is two intermediate shaft type speed changers.This speed changer generally includes a main tank and an odd-side, and an odd-side of connecting after main tank, by the high and low two grades of velocity ratios in odd-side, each shelves velocity ratio is arranged in pairs or groups and forms high and low two sections of gear ranges with basic trnasmission respectively.
The main tank structure of the two intermediate shaft type speed changers on Vehicles Collected from Market on heavy vehicle or low speed engineering truck is mostly two intermediate shaft types, and odd-side then has two intermediate shaft type or planet gear type two kinds.The odd-side of planetary gear structure is stronger than the odd-side bearing capacity of two intermediate shaft type, also be more rising a kind of gear, but because the design of the planet gear type odd-side in Vehicles Collected from Market is not ideal enough, velocity ratio is also less than normal, thus speed ratio is little, bulky, transmission efficiency is low, cannot meet the problems such as the requirement of moment of torsion and speed ratio coverage area to cause whole speed variator system still to also exist one grade, have impact on the usabilities such as the grade ability of car load, durability and fuel economy.
On the other hand, the odd-side due to planetary gear structure is compared traditional two intermediate shaft type odd-sides and is had better bearing capacity, and it is more extensively used in the speed variator system on heavy vehicle or low speed engineering truck.Because the carrying quality of heavy vehicle is large, low speed engineering truck often needs to transmit very large moment of torsion when working, the load of the transmission system of vehicle is larger, often need to work at high speeds, so, how Vibration Test Systems reasonable in design is tested odd-side or similar gear, is the important prerequisite of it being carried out to dynamic analysis or system optimization.
Summary of the invention
In view of this, the invention provides a kind of automobile-used two grades of planet speed change mechanisms and Vibration Test Systems, be applicable to need to realize heavy vehicle that high and low shift switches, low speed Engineering automobile uses, also can meet the needs of vibration test simultaneously.
A kind of automobile-used two grades of planet speed change mechanisms and Vibration Test Systems, comprise two motors, first planet row, the second planet row, break I, break II, two groups of torque and speed sensorses, three groups of foil gauges and four diaphragm couplings;
Wherein, motor I provides power to input, and motor II provides load; First planet row and the second planet row include a sun gear, a planet carrier and planetary gear set and a gear ring; The gear ring braking of break I couple of first planet row, the planet carrier II of break II to the second planet row is braked; Three groups of foil gauges are used for measuring the gear ring stress of the sun gear of first planet row, gear ring and the second planet row respectively; Four diaphragm couplings are respectively used to connect the output block of input that input end, output terminal and torque and speed sensors and torque and speed sensors and first planet arrange, the second planet row;
Its annexation is: motor I, motor II, first planet row and the second planet row coaxially arranged, motor I is connected with diaphragm coupling I, diaphragm coupling I is connected with torque and speed sensors I, and torque and speed sensors I is connected with the sun gear I that first planet is arranged by diaphragm coupling III again; The planet carrier I of first planet row is connected with the gear ring II of the second planet row; The gear ring I of first planet row is connected with the sun gear II of the second planet wheel, and the gear ring I of first planet row is braked by break I; The planet carrier II of the second planet row is braked by break II, and the gear ring II of the second planet row is connected with torque and speed sensors II by diaphragm coupling IV, and torque and speed sensors II is connected with output terminal motor II by diaphragm coupling II again; Also arrange foil gauge I, foil gauge II and foil gauge III respectively at the tooth root place of the sun gear I of first planet row, the gear ring II of gear ring I and the second planet row in addition.
When low grade, the gear ring I that first planet is arranged is braked by break I, and the gear ring I that sun gear II and first planet due to the second planet row are arranged is connected, therefore it is also braked, and II, break does not work.The sun gear I that power is arranged from first planet inputs, and the link on the planet carrier I arranged by first planet reaches the gear ring II of the second planet row, is finally exported by the gear ring II of the second planet row, and planet carrier II idle running of the second planet row does not stress.Vibration test is carried out when low grade, the foil gauge III being arranged in the tooth root place of first planet toothrow circle I can measure the stress at gear ring I tooth root place, and the stress at sun gear I place of first planet row also has the stress at gear ring II place of the second planet row also can record respectively by foil gauge I, foil gauge II telemetry strainometer.Be arranged in rotating speed and torque that the torque and speed sensors I of input and output side and torque and speed sensors II can measure input end and output terminal respectively.
When top grade, the planet carrier II of the second planet row is braked by break II, and break I does not work; The sun gear I of power input first planet row, input power flows into gear ring I through the sun gear I of first planet row, planet wheel I successively on the one hand, be passed to the sun gear II of the second planet row, through the planet wheel II of the second planet row, flow into the gear ring II of the second planet row, flow out planetary gear train from the gear ring II of the second planet row, can be described as main power by the power of this kind of route transmission; On the other hand output power flows through again the planet carrier I of first planet row, planet wheel I together with main power in train internal flow, carry out vibration test when top grade, the stress at first planet row's stress at sun gear I place and gear ring II place of the second planet row is recorded by the method for remote measurement with foil gauge I, foil gauge II respectively.Equally, rotating speed and torque that input, the rotating speed of output terminal, torque sensor I and torque and speed sensors II can measure input end and output terminal is respectively arranged in.
By rotating speed and the torque of the component stress recorded above and input, output terminal, dynamic analysis, design optimization can be carried out to planet speed change mechanism.
Beneficial effect: the present invention by motor, first planet row, the second planet row is coaxially arranged, compact mechanical structure, high and low shift can be realized and switch, and the velocity ratio of top grade is larger.This gear can be realized times shelves to traditional speed changer by serial fashion access transmission system regulate, namely more gear is realized by the less number of gears, obtain one grade of larger velocity ratio, higher transmission efficiency, lower fuel consumption rate, and transmission assembly can be done relatively less, more economical, simpler; Utilize the testing apparatus in the present invention, the parameters such as the stress of critical component in the input of gear, the rotating speed of output terminal, torque and planetary gear train can also be obtained comparatively accurately and easily, also can carry out dynamics, Fatigue Strength Analysis further according to these parameters, or design is optimized to system.
Accompanying drawing explanation
Fig. 1 is the structure diagram of two grades of planet speed change mechanisms of the invention process and Vibration Test Systems;
Fig. 2 is that break Z1 brakes, for realizing power flow diagram during low grade;
Fig. 3 is that break Z2 brakes, for realizing power flow diagram during top grade.
Wherein: 1-motor I, 2-motor II, 3-diaphragm coupling I, 4-diaphragm coupling II, 5-diaphragm coupling III, 6-diaphragm coupling IV, 7-torque and speed sensors I, 8-torque and speed sensors II, 9-sun gear I, 10-planet wheel I, 11-gear ring I, 12-sun gear II, 13-planet wheel II, 14-gear ring II, 15-link, 16-planet carrier II, 17-planet carrier I, 18-break I, 19-break II, 50-foil gauge I, 60-foil gauge II, 70-foil gauge III.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, describe the present invention.
The invention provides a kind of automobile-used two grades of planet speed change mechanisms and Vibration Test Systems, as shown in Figure 1,
Comprise motor I 1 and motor II 2, motor I 1 provides power to input, and motor II 2 provides load; Sun gear I 9, planet wheel I 10, planet carrier I 17 and gear ring I 11 are drawn together in first planet package; Second planet row comprises sun gear II 12, planet wheel II 13, planet carrier II 16 and gear ring II 14; The gear ring I 11 that first planet can be arranged by wet multi-disk brake I 18 is braked; The planet carrier I 17 of the second planet row can be braked by wet multi-disk brake II 19; Torque and speed sensors I 7 and torque and speed sensors II 8 are used for measuring rotating speed and the torque of input end and output terminal respectively; Foil gauge 50 I, foil gauge 60 II and foil gauge 70 III are used for measuring gear ring II 14 stress of the sun gear I 9 of first planet row, gear ring I 11 and the second planet row respectively; Four diaphragm couplings, are respectively used to connect the output block of input that input end, output terminal and rotating speed, torque sensor and torque and speed sensors and first planet arrange, the second planet row.
Its annexation is: motor I 1, motor II 2, first planet are arranged, the second planet row is coaxially arranged, motor I 1 is connected with the diaphragm coupling I 3 of the torque ripple that can decay, diaphragm coupling I 3 is connected with torque and speed sensors I 7, and torque and speed sensors I 7 is connected with the sun gear I 9 that first planet is arranged by diaphragm coupling III 5 again; The planet carrier I 17 of first planet row is connected with the gear ring II 14 of the second planet row; The gear ring I 11 of first planet row is connected with the sun gear II 12 of the second planet wheel, is braked by break I 18; The planet carrier II 16 of the second planet row is braked by break II 19, the gear ring II 14 of the second planet row is connected with torque and speed sensors II 8 by diaphragm coupling IV 6, and torque and speed sensors II 8 is connected with output terminal motor II 2 by diaphragm coupling II 4 again; When as Vibration Test Systems, arrange foil gauge 50 I, foil gauge 70 III and foil gauge 60 II respectively at the tooth root place of the sun gear I 9 of first planet row, the gear ring II 14 of gear ring I 11 and the second planet row.
When low grade, as shown in Figure 2, the gear ring I 11 that first planet is arranged by break I 18 is braked, and the gear ring I 11 that sun gear II 12 and first planet due to the second planet row are arranged is connected, therefore it is also braked, and II 19, break does not work.The sun gear I 9 that power is arranged from first planet inputs, and the link on the planet carrier I 17 arranged by first planet reaches the gear ring II 14 of the second planet row, is finally exported by the gear ring II 14 of the second planet row, and planet carrier II 16 idle running of the second planet row does not stress.Vibration test is carried out when low grade, the foil gauge 70 being arranged in the tooth root place of first planet toothrow circle I 11 can measure the stress at gear ring I 11 tooth root place, and the stress at sun gear I 9 place of first planet row also has the stress at gear ring II 14 place of the second planet row also can record respectively by foil gauge I 50, foil gauge II 60 telemetry strainometer.Be arranged in rotating speed and torque that the torque and speed sensors I 7 of input and output side and torque and speed sensors II 8 can measure input end and output terminal respectively.
When top grade, as shown in Figure 3, the planet carrier II 16 of the second planet row is braked by break II 19, and break I 18 does not work; The sun gear I 9 of power input first planet row, input power flows into gear ring I 11 through the sun gear I 9 of first planet row, planet wheel I 10 successively on the one hand, be passed to the sun gear II 12 of the second planet row, through the planet wheel II 13 of the second planet row, flow into the gear ring II 14 of the second planet row, flow out planetary gear train from the gear ring II 14 of the second planet row, can be described as main power by the power of this kind of route transmission, as shown by the solid line in the drawings; On the other hand output power flows through again the planet carrier I 17 of first planet row, planet wheel I 10 in train internal flow together with main power, as shown in phantom in FIG..Carry out vibration test when top grade, the stress at first planet row sun gear I 9 place also has the stress at gear ring II 14 place of the second planet row still can be recorded by the method for remote measurement with foil gauge I 50, foil gauge 60 II respectively.Equally, rotating speed and torque that input, the torque and speed sensors I 7 of output terminal and torque and speed sensors II 8 can measure input end and output terminal is respectively arranged in.
By rotating speed and the torque of the component stress recorded above and input, output terminal, dynamic analysis, design optimization can be carried out to planet speed change mechanism.
In the present embodiment, the parameter k1=1.83 of first planet row, the parameter k2=2.26 of the second planet row, both modulus m=3, time low-grade: velocity ratio (1+k1)=2.83, during output 1000r/min, input speed is 2830 turns, time high-grade, velocity ratio (1+k1+k2k1)=6.97, during output 1000r/min, input speed is 6970 turns.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the Vibration Test Systems of automobile-used two grades of planet speed change mechanisms, it is characterized in that, comprising: two motors, first planet row, the second planet row, break I, break II, two groups of torque and speed sensorses, three groups of foil gauges and four diaphragm couplings;
Wherein, motor I provides power to input, and motor II provides load; First planet row and the second planet row include a sun gear, a planet carrier and planetary gear set and a gear ring; Three groups of foil gauges are used for measuring the gear ring stress of the sun gear of first planet row, gear ring and the second planet row respectively;
Its annexation is: motor I, motor II, first planet row and the second planet row coaxially arranged, motor I is connected with diaphragm coupling I, diaphragm coupling I is connected with torque and speed sensors I, and torque and speed sensors I is connected with the sun gear I that first planet is arranged by diaphragm coupling III again; The planet carrier I of first planet row is connected with the gear ring II of the second planet row; The gear ring I of first planet row is connected with the sun gear II of the second planet wheel, and the gear ring I of first planet row is braked by break I; The planet carrier II of the second planet row is braked by break II, and the gear ring II of the second planet row is connected with torque and speed sensors II by diaphragm coupling IV, and torque and speed sensors II is connected with output terminal motor II by diaphragm coupling II again; Also arrange foil gauge I, foil gauge III and foil gauge II respectively at the tooth root place of the sun gear I of first planet row, the gear ring II of gear ring I and the second planet row in addition.
2. the Vibration Test Systems of automobile-used two grades of planet speed change mechanisms as claimed in claim 1, it is characterized in that, when low grade, the gear ring I that first planet is arranged is braked by break I, because the sun gear II of the second planet row is connected with the gear ring I that first planet is arranged, therefore it is also braked, II, break does not work; The sun gear I that power is arranged from first planet inputs, and the link on the planet carrier I arranged by first planet reaches the gear ring II of the second planet row, is finally exported by the gear ring II of the second planet row, and planet carrier II idle running of the second planet row does not stress; Vibration test is carried out when low grade, the foil gauge III being arranged in the tooth root place of first planet toothrow circle I can measure the stress at gear ring I tooth root place, and the stress at sun gear I place of first planet row and the stress at gear ring II place of the second planet row record respectively by foil gauge I, foil gauge II telemetry strainometer; Be arranged in rotating speed and torque that the torque and speed sensors I of input and output side and torque and speed sensors II can measure input end and output terminal respectively.
3. the Vibration Test Systems of automobile-used two grades of planet speed change mechanisms as claimed in claim 1, it is characterized in that, when top grade, the planet carrier II of the second planet row is braked by break II, and break I does not work; The sun gear I of power input first planet row, input power flows into gear ring I through the sun gear I of first planet row, planet wheel I successively on the one hand, be passed to the sun gear II of the second planet row, through the planet wheel II of the second planet row, flow into the gear ring II of the second planet row, flow out planetary gear train from the gear ring II of the second planet row; On the other hand output power flows through again the planet carrier I of first planet row, planet wheel I together with main power in train internal flow, carry out vibration test when top grade, the stress at first planet row's stress at sun gear I place and gear ring II place of the second planet row is recorded by the method for remote measurement with foil gauge I, foil gauge II respectively; Equally, rotating speed and torque that input, the torque and speed sensors I of output terminal and torque and speed sensors II can measure input end and output terminal is respectively arranged in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022195.5A CN103104664B (en) | 2013-01-21 | 2013-01-21 | A kind of Vibration Test Systems of automobile-used two gear planet speed change mechanisms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022195.5A CN103104664B (en) | 2013-01-21 | 2013-01-21 | A kind of Vibration Test Systems of automobile-used two gear planet speed change mechanisms |
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| CN103104664A CN103104664A (en) | 2013-05-15 |
| CN103104664B true CN103104664B (en) | 2015-10-21 |
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| CN201310022195.5A Expired - Fee Related CN103104664B (en) | 2013-01-21 | 2013-01-21 | A kind of Vibration Test Systems of automobile-used two gear planet speed change mechanisms |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763155A (en) * | 2016-08-16 | 2018-03-06 | 钟跃荣 | A kind of the mechanical stepless speed changes method and stepless speed changing mechanism of double-planet mechanism composition |
| CN111207922B (en) * | 2020-01-14 | 2021-08-27 | 中国北方车辆研究所 | High-power high-rotation-speed planetary speed change mechanism test device |
| CN113008549B (en) * | 2021-04-12 | 2023-07-21 | 宁波大学 | Variable-size RV reducer planetary gear stress measurement device and method |
| CN114370997B (en) * | 2021-12-31 | 2023-06-09 | 重庆大学 | Dynamic shunt testing method for interior of planetary gear train |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5518465A (en) * | 1994-11-14 | 1996-05-21 | Hiraiwa; Kazuyoshi | Planetary geartrain |
| CN201795003U (en) * | 2010-09-29 | 2011-04-13 | 长城汽车股份有限公司 | Two-gear automatic transmission |
| CN202579845U (en) * | 2012-04-06 | 2012-12-05 | 白德全 | Single-planetary-line two-gear speed change device |
| CN202641354U (en) * | 2012-06-08 | 2013-01-02 | 叶文森 | Driving device for hybrid electric vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004094868A1 (en) * | 2003-04-21 | 2004-11-04 | The Timken Company | Two speed transmission with smooth power shift |
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2013
- 2013-01-21 CN CN201310022195.5A patent/CN103104664B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5518465A (en) * | 1994-11-14 | 1996-05-21 | Hiraiwa; Kazuyoshi | Planetary geartrain |
| CN201795003U (en) * | 2010-09-29 | 2011-04-13 | 长城汽车股份有限公司 | Two-gear automatic transmission |
| CN202579845U (en) * | 2012-04-06 | 2012-12-05 | 白德全 | Single-planetary-line two-gear speed change device |
| CN202641354U (en) * | 2012-06-08 | 2013-01-02 | 叶文森 | Driving device for hybrid electric vehicle |
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| CN103104664A (en) | 2013-05-15 |
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