CN105179668B - A kind of motor-driven gear stirs oily power attenuation measurement apparatus - Google Patents
A kind of motor-driven gear stirs oily power attenuation measurement apparatus Download PDFInfo
- Publication number
- CN105179668B CN105179668B CN201510733679.XA CN201510733679A CN105179668B CN 105179668 B CN105179668 B CN 105179668B CN 201510733679 A CN201510733679 A CN 201510733679A CN 105179668 B CN105179668 B CN 105179668B
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- Prior art keywords
- driven gear
- shaft
- motor
- gear shaft
- power attenuation
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- Expired - Fee Related
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- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 239000002828 fuel tank Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000875 corresponding Effects 0.000 claims description 10
- 230000001808 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 210000000282 Nails Anatomy 0.000 claims 1
- 238000003756 stirring Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 34
- 239000010687 lubricating oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 241001274660 Modulus Species 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0405—Monitoring quality of lubricant or hydraulic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0409—Features relating to lubrication or cooling or heating characterised by the problem to increase efficiency, e.g. by reducing splash losses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0447—Control of lubricant levels, e.g. lubricant level control dependent on temperature
Abstract
Oily power attenuation measurement apparatus is stirred the invention discloses a kind of motor-driven gear, including workbench, fuel tank and reduction box on workbench, the two oil temperature oil-flow control apparatus for connecting fuel tank and reduction box, driving gear and driven gear in reduction box, and it is respectively used to be set with the driving gear shaft and driven gear shaft of driving gear and driven gear；Reduction box wherein one side installs sprocket drive spindle slideway, driving gear shaft and driven gear shaft are fixed on gear shaft slideway by bearing, simultaneously connecting shaft one is connected with one end of driving gear shaft, connecting shaft two is connected with one end of driven gear shaft, torque and speed sensorses one and torque and speed sensorses two are respectively equipped with connecting shaft one and connecting shaft two, and one end connection motor of connecting shaft one, one end connection load motor of connecting shaft two, it is an advantage of the current invention that stirring the influence factor of oil machine structure power attenuation for seeking.
Description
Technical field
The present invention relates to a kind of power attenuation measurement apparatus, and in particular to a kind of motor-driven gear stirs oily power attenuation and surveyed
Measure device.
Background technology
Currently to stirring oil machine structure power attenuation the reason for, is primarily with respect to the research for stirring oil machine structure power attenuation external cause.For
The modulus of gear, the axial location of gear and the flank of tooth size of gear these internal causes probe into less.The meeting in Meshing Process of Spur Gear
Substantial amounts of heat is produced, these heat can be passed in lubricating oil, cause reduction box internal temperature drastically to raise, oil body is drastically
Decline, very big is influenceed on power attenuation, do not improve the control to oil temperature currently.The power attenuation for stirring oil machine structure is many-sided
The reason for, we will be as much as possible it is many consider face to face, stir oily loss to reduce to greatest extent, improve energy utilization rate.
The content of the invention
The present invention seeks to：A kind of motor-driven gear is provided and stirs oily power attenuation measurement apparatus, oil machine is stirred for seeking
The influence of the influence factor of structure power attenuation, particularly lubricating oil temperature to viscosity and churning loss, in what kind of oil temperature scope
It is interior just to can ensure that oil body is stable, so as to reduce the churning loss caused by pinion rotation；By to different depth
Its power attenuation of the gear engagement repeated measurement of lubricating oil, that finds out gear most preferably invades oily depth.
The technical scheme is that：A kind of motor-driven gear stirs oily power attenuation measurement apparatus, including workbench, if
In fuel tank and reduction box on the workbench, the two oil temperature fuel-flow controls for connecting the fuel tank and the reduction box are filled
Put, driving gear and driven gear in the reduction box, and be respectively used to be set with the driving gear and it is described from
The driving gear shaft and driven gear shaft of moving gear；The reduction box wherein one side installs sprocket drive spindle slideway, the active
Gear shaft and the driven gear shaft are fixed on the gear shaft slideway by bearing, while the one of the driving gear shaft
End is connected with connecting shaft one, is connected with connecting shaft two, the connecting shaft one and the connecting shaft two and divides in one end of the driven gear shaft
Not She You torque and speed sensorses one and torque and speed sensorses two, and the connecting shaft one one end connection motor, it is described
One end connection load motor of connecting shaft two.
As preferred technical scheme, two bearings seat is symmetrically set with the connecting shaft one and the connecting shaft two,
The workbench is laterally set and for the motor, the load motor and described bearing block or so provided with several
The T font tracks of translation, and the motor, the load motor and the bearing block by journal stirrup, bolt, packing ring and
Hex nut is fixed on the T fonts track.
As preferred technical scheme, the reduction box includes casing, case lid and several located at gear shaft cunning
Installation chunk in road, the gear shaft slideway is in the font of falling T and upper end open, the driving gear shaft and the driven gear
Axle is translated along gear shaft slideway or so and by the chunk of installing by the driving gear shaft and the driven gear sealing
It is fixed on gear shaft slideway.
As preferred technical scheme, it is provided with the casing side into and out of hydraulic fluid port, it is described to pass through respectively into and out of hydraulic fluid port
The corresponding oil temperature oil-flow control apparatus connection of oil pipe one, two oil temperature oil-flow control apparatus and the fuel tank pass through oil pipe respectively
Two connections.
It is used as preferred technical scheme, between the connecting shaft one and the driving gear shaft, the motor, Yi Jisuo
State and connected between connecting shaft two and the driven gear shaft, the load motor by Hooks coupling universal coupling.
As preferred technical scheme, the driving gear shaft and the driven gear shaft are multi-diameter shaft, the active
Fixed between the corresponding multi-diameter shaft in one end of gear and the driven gear by the shaft shoulder, the driving gear and described
The other end of driven gear is fixed on its corresponding multi-diameter shaft by back-up ring, while the bearing holder (housing, cover) is loaded on the ladder
The maximum end of axle.
As preferred technical scheme, the case lid aligns and middle provided with sealing gasket with the casing upper end, while institute
Case lid is stated with being fixed respectively by screw on four angles of the casing.
As preferred technical scheme, seal groove and sealing ring are provided with the gear shaft slideway the week side of boss.
As preferred technical scheme, level is provided with the cabinet exterior and below the gear shaft slideway
Graduated scale.
As preferred technical scheme, the casing one side is transparent, and is carved with vertical scale on transparent cabinet exterior
Scale.
It is an advantage of the invention that：
1. provided by the present invention for churning loss and power power attenuation device in measurement reduction box, structure design is closed
Reason, has wide range of applications, strong applicability can both change the major parameter of meshing gear, again can be with lubricating oil in control cabinet body
Temperature and depth, the every influence factor of adjustment finds out the biggest factor of influence power attenuation.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is reduction box of the present invention and driving gear shaft, driven gear shaft assembling schematic diagram；
Fig. 3 is gearbox structure schematic diagram of the present invention；
Fig. 4 is T font track assembling schematic diagrams in Fig. 1；
Wherein：1 workbench, 2 fuel tanks, 3 reduction boxes, 3-1 casings, 3-2 case lids, 3-3 installs chunk, 3-4 oil inlets, 3-5
Oil-out, 4 oil temperature oil-flow control apparatus, 5 driving gears, 6 driven gears, 7 driving gear shafts, 8 driven gear shafts, 10 gear shafts
Slideway, 11 bearings, 12 connecting shafts one, 13 connecting shafts two, 14 torque and speed sensorses one, 15 torque and speed sensorses two, 16 driving electricity
Machine, 17 load motors, 18 bearing blocks, 19T font tracks, 20 journal stirrups, 21 bolts, 22 packing rings, 23 hex nuts, 24 oil pipes one,
25 oil pipes two, 26 Hooks coupling universal couplings, 27 back-up rings, 28 screws, 29 seal grooves and sealing ring, 30 horizontal scale scales.
Embodiment
Embodiment：Referring to figs. 1 to shown in 4, a kind of motor-driven gear stirs oily power attenuation measurement apparatus, including workbench
1, fuel tank 2 and reduction box 3 on workbench 1, the two oil temperature oil-flow control apparatus 4 for connecting fuel tank 2 and reduction box 3,
Driving gear 5 and driven gear 6 in reduction box 3, and it is respectively used to be set with the master of driving gear 5 and driven gear 6
Movable gear shaft 7 and driven gear shaft 8；The wherein one side of reduction box 3 installs sprocket drive spindle slideway 10, driving gear shaft 7 and driven
Gear shaft 8 is fixed on gear shaft slideway 10 by bearing 11, while connecting shaft 1 is connected with one end of driving gear shaft 7,
It is connected with one end of driven gear shaft 8 on connecting shaft 2 13, connecting shaft 1 and connecting shaft 2 13 and is respectively equipped with torque and speed sensorses
One 14 and torque and speed sensorses 2 15, and one end connection motor 16 of connecting shaft 1, one end connection of connecting shaft 2 13 is negative
Motor 17 is carried, two bearings seat 18 is symmetrically set with connecting shaft 1 and connecting shaft 2 13, it is horizontal provided with several on workbench 1
The T fonts track 19 translated to setting and for motor 16, load motor 17 and bearing block 18 or so, and motor 16,
Load motor 17 and bearing block 18 are fixed on T fonts track 19 by journal stirrup 20, bolt 21, packing ring 22 and hex nut 23
On；While driving gear shaft 7 and driven gear shaft 8 are multi-diameter shaft, one end of driving gear 5 and driven gear 6 is corresponding
Multi-diameter shaft between fixed by the shaft shoulder, the other end of driving gear 5 and driven gear 6 is fixed at it by back-up ring 27
On corresponding multi-diameter shaft, while bearing 11 is set in the maximum end of multi-diameter shaft.
The reduction box 3 of the present invention includes casing 3-1, case lid 3-2 and 5 installation chunks in gear shaft slideway 10
3-3, gear shaft slideway 10 is in the font of falling T and upper end open, and driving gear shaft 7 and driven gear shaft 8 are left along gear shaft slideway 10
Driving gear shaft 7 and the sealing of driven gear shaft 8 are simultaneously fixed on gear shaft slideway 10 by right translation by installing chunk 3-3.
Casing 3-1 sides are provided with into and out of hydraulic fluid port 3-4,3-5, and the corresponding oil of oil pipe 1 is passed through respectively into and out of hydraulic fluid port 3-4,3-5
Warm oil-flow control apparatus 4 is connected, and two oil temperature oil-flow control apparatus 4 and fuel tank 2 are connected by oil pipe 2 25 respectively.Case lid 3-2 with
Casing 3-1 upper ends are alignd and middle provided with sealing gasket, while passing through screw 28 respectively on case lid 3-2 and casing 3-1 four angles
It is fixed.Seal groove and sealing ring 29 are provided with the week side of boss of gear shaft slideway 10, to prevent oil leak, sealing effectiveness is improved.
Shown in reference picture 2, the specific assemble method of its reduction box 3 is as follows：Chunk one will be installed and chunk two is installed and distinguished
The Far Left and rightmost of the font of falling T gear shaft slideway 10 are slid onto at the upper end open of gear shaft slideway 10, according to engaging tooth
(driving gear 5 and driven gear 6) center distance regulation placement location is taken turns, and is embedded in the seal groove of the week side of boss of gear shaft slideway 10
On；Bearing 11 is set in the maximum end of multi-diameter shaft, and is inserted in its corresponding gear, the driving gear shaft 7 that assembles and driven
Gear shaft 8 moves on to installation chunk one along the font of falling T gear shaft slideway 10 and installs chunk two respectively, and correspondence bearing 11 is inlayed
It is embedded in the projection for installing chunk one and installation chunk two, places and fix according to centre-to-centre spacing and engagement situation；Group will be installed
Block three and chunk four is installed be moved to along the font of falling T gear shaft slideway 10 between two bearings 11, and inlayed into and adjust position
Put and fix；Chunk five will be finally installed to insert the top of T font gear shafts slideway 10 and seal fixation.The present invention can be with simultaneously
Change a pair of engaged gears (driving tooth of different moduluses, the different numbers of teeth and different centre-to-centre spacing within the specific limits according to demand
Wheel 8 and driven gear 6).
The fixing means of its motor 16, load motor 17 and bearing block 18 is as follows：Journal stirrup 20 and T fonts track 19
The major part of bolt 21, is put into T fonts track 19 and slid close to journal stirrup 20, packing ring 22, hex nut 23 are covered successively by alignment
Enter bolt 21, and tighten fixation.
The present invention's is provided with horizontal scale scale 30 on casing 3-1 outer walls and below gear shaft slideway 10, according to
Selected meshing gear modulus, the number of teeth, pressure angle, calculate optimum center distance, are easy to find out master according to horizontal scale scale 30
The optimal placed location of movable gear shaft 7, driven gear shaft 8, it is convenient for assembly.And casing 3-1 one sides are transparent, it is easy to observe reduction box
3 internal gears engage situation, and lubricating oil distribution situation when stirring oil, and are carved with transparent casing 3-1 outer walls vertical
Graduated scale, the height of convenient observation lubricating oil.
Between the connecting shaft 1 and driving gear shaft 7, motor 16 of the present invention, and connecting shaft 2 13 and driven gear shaft
8th, connected between load motor 17 by Hooks coupling universal coupling 26.
The oil temperature control method of the present invention is as follows：When reduction box 3 works, the internal lubrication oil temperature of reduction box 3 can be drastically
Rise, is set into speed oil by warm oil-flow control apparatus 4 and is equal to Extraction rate, and the high temperature grease in reduction box 3 passes through pipe
Road is flowed out, by oil temperature oil-flow control apparatus 4, radiating in fuel tank 2 is returned to, if temperature is too high to start heat abstractor (wind
Fan), can also be in oil pipe appearance EDS maps fin.The later lubricating oil of cooling is being pumped in pipeline by oil temperature oil mass control
Device 4 processed enters reduction box 3, can thus adjust the temperature inside reduction box 3.Lubricating oil is affected by temperature very big,
It is that the fluctuation that how to influence gear-driven churning loss in which temperature range is minimum that can measure temperature by the present invention,
Filled simultaneously by oil temperature fuel-flow control, 4 can also control to invade oily depth, then measure the different churning loss feelings invaded under oily depth
Condition, observes the distribution situation of lubricating oil.
The present invention measures the efficiency and the efficiency of driven gear shaft 6 of driving gear shaft 5 by torque and speed sensorses, obtains
Go out the general power Pc of the inside churning loss of reduction box 3, the calculation formula is divided into three parts：Relevant with multi-diameter shaft external diameter stirs oil
Lose Pc1；The churning loss Pc2 relevant with gear two sides；The churning loss relevant with the flank of tooth (two big little gears it is cylindrical
Face) Pc3.Its calculation formula is as follows：
Pc=Pc1+Pc2+Pc3
Wherein：
In formula：
fgF under-gear immersion factor, no oil conditiong=0, f when all submergingg=1, other situations are according to submergence height
Take the linear value between 0~1；
Kinematic viscosity under ν-operating temperature, cSt；
ni- working speed, rpm；
Do- outer dia, mm；
L-length, mm；
Ag- configuration constant, Ag=0.2；
The facewidth of B-gear wheel or little gear, mm；
Rf- roughness factor, RfThe coefficient relevant with wheel teeth size proposed for Townsend, can be by approximate formulaTry to achieve；
β-oblique gear spiral angle, as 10 ° of β ＜, β value takes 10 °.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of motor-driven gear stirs oily power attenuation measurement apparatus, including workbench, it is characterised in that also including located at institute
The fuel tank and reduction box on workbench are stated, the two oil temperature oil-flow control apparatus for connecting the fuel tank and the reduction box, if
In driving gear and driven gear in the reduction box, and it is respectively used to be set with the driving gear and the driven gear
Driving gear shaft and driven gear shaft；The reduction box wherein one side installs sprocket drive spindle slideway, the driving gear shaft
It is fixed on the driven gear shaft by bearing on the gear shaft slideway, while being connected in one end of the driving gear shaft
There is connecting shaft one, be connected with connecting shaft two, the connecting shaft one and the connecting shaft two and be respectively equipped with one end of the driven gear shaft
Torque and speed sensorses one and torque and speed sensorses two, and one end connection motor of the connecting shaft one, the connecting shaft two
One end connection load motor.
2. motor-driven gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that in the company
Two bearings seat is symmetrically set with axle one and the connecting shaft two, laterally sets and supplies provided with several on the workbench
The T font tracks of the motor, the load motor and described bearing block or so translation, and it is the motor, described
Load motor and the bearing block are fixed on the T fonts track by journal stirrup, bolt, packing ring and hex nut.
3. motor-driven gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that the deceleration
Case includes casing, case lid and several installation chunks being located in the gear shaft slideway, and the gear shaft slideway is in the word of falling T
Type and upper end open, the driving gear shaft and the driven gear shaft are translated along gear shaft slideway or so and installed by described
The driving gear shaft and the driven gear sealing are fixed on gear shaft slideway by chunk.
4. motor-driven gear according to claim 3 stirs oily power attenuation measurement apparatus, it is characterised in that in the case
Body side is provided with into and out of hydraulic fluid port, described to be connected respectively by the corresponding oil temperature oil-flow control apparatus of oil pipe one into and out of hydraulic fluid port
Connect, two oil temperature oil-flow control apparatus and the fuel tank are connected by oil pipe two respectively.
5. motor-driven gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that the connecting shaft
Between one and the driving gear shaft, the motor, and the connecting shaft two and the driven gear shaft, load electricity
Connected between machine by Hooks coupling universal coupling.
6. motor-driven gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that the active
Gear shaft and the driven gear shaft are multi-diameter shaft, the corresponding rank in one end of the driving gear and the driven gear
Fixed between terraced axle by the shaft shoulder, the other end of the driving gear and the driven gear is fixed at it by back-up ring
On corresponding multi-diameter shaft, while the bearing holder (housing, cover) is loaded on the maximum end of the multi-diameter shaft.
7. motor-driven gear according to claim 3 stirs oily power attenuation measurement apparatus, it is characterised in that the case lid
Alignd with the casing upper end and middle provided with sealing gasket, while the case lid with passing through spiral shell respectively on four angles of the casing
Nail is fixed.
8. motor-driven gear according to claim 1 stirs oily power attenuation measurement apparatus, it is characterised in that in the tooth
Wheel shaft slideway the week side of boss is provided with seal groove and sealing ring.
9. motor-driven gear according to claim 3 stirs oily power attenuation measurement apparatus, it is characterised in that in the case
Horizontal scale scale is provided with external wall and below the gear shaft slideway.
10. motor-driven gear according to claim 3 stirs oily power attenuation measurement apparatus, it is characterised in that the case
Body one side is transparent, and is carved with transparent cabinet exterior vertical scale scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733679.XA CN105179668B (en) | 2015-11-02 | 2015-11-02 | A kind of motor-driven gear stirs oily power attenuation measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733679.XA CN105179668B (en) | 2015-11-02 | 2015-11-02 | A kind of motor-driven gear stirs oily power attenuation measurement apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179668A CN105179668A (en) | 2015-12-23 |
| CN105179668B true CN105179668B (en) | 2017-08-29 |
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| CN201510733679.XA Expired - Fee Related CN105179668B (en) | 2015-11-02 | 2015-11-02 | A kind of motor-driven gear stirs oily power attenuation measurement apparatus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226068B (en) * | 2016-07-11 | 2018-08-10 | 盐城工学院 | A kind of churning loss test method |
| CN107132045A (en) * | 2017-06-30 | 2017-09-05 | 中国船舶重工集团公司第七�三研究所 | A kind of gear lubrication experimental rig |
| CN111458138B (en) * | 2020-03-31 | 2022-06-10 | 盐城工学院 | Experimental device and method for measuring gear oil stirring loss in oil-immersed lubrication state |
| CN112460241B (en) * | 2020-09-29 | 2021-12-31 | 中国北方车辆研究所 | Design method for inhibiting oil mixing power loss of transmission system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100549651C (en) * | 2006-10-26 | 2009-10-14 | 奇瑞汽车股份有限公司 | The method of testing power loss in high speed of automotive transmission |
| CN101413578B (en) * | 2008-11-04 | 2010-12-08 | 常州市瑞泰工程机械有限公司 | Combined lubrication gear box |
| FI124222B (en) * | 2009-09-07 | 2014-05-15 | Moventas Gears Oy | Method in gearbox |
| CN102331346B (en) * | 2011-07-01 | 2013-11-27 | 重庆大学 | Low-power consumption hardware-in-loop test bench and test method for vehicular automatic transmission |
| CN205078753U (en) * | 2015-11-02 | 2016-03-09 | 盐城工学院 | Electric machine drive gear oil stirring power loss measurement device |
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| CN105179668A (en) | 2015-12-23 |
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Inventor after: He Xinghua Inventor before: Wang Bin Inventor before: Zhang Pei Inventor before: Guan Wen |
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Effective date of registration: 20171205 Address after: No. 84, Shanxi Xinzhou City, Fanshi County Fan Town Construction Street Patentee after: He Xinghua Address before: 224051 Yancheng City hope road, Jiangsu, No. 1 Patentee before: Yangcheng Institute of Technology |
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