CN105179668A - Motor-driven gear churning power loss measuring device - Google Patents
Motor-driven gear churning power loss measuring device Download PDFInfo
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- CN105179668A CN105179668A CN201510733679.XA CN201510733679A CN105179668A CN 105179668 A CN105179668 A CN 105179668A CN 201510733679 A CN201510733679 A CN 201510733679A CN 105179668 A CN105179668 A CN 105179668A
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- driven gear
- shaft
- gear shaft
- motor
- power loss
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a motor-driven gear churning power loss measuring device. The motor-driven gear churning power loss measuring device comprises a work bench, a fuel tank disposed on the work bench, a reduction box disposed on the work bench, two fuel temperature and quantity control devices used for communicating the fuel tank and the reduction box, a driving gear disposed in the reduction box, a driven gear disposed in the reduction box, a driving gear shaft sleeving the driving gear, and a driven gear shaft sleeving the driven gear. One side face of the reduction box is provided with a gear shaft slideway, the driving gear shaft and the driven gear shaft are fixed to the gear shaft slideway via bearings, at the same time, one end of the driving gear shaft is connected to a first connecting shaft, one end of the driven gear shaft is connected with a second connecting shaft, the first and second connecting shafts are respectively provided with a first rotational speed and torque sensor and a second rotational speed and torque sensor, one end of the connecting shaft is connected to a driving motor, and one end of the second connecting shaft is connected with a load motor. The motor-driven gear churning power loss measuring device can be used for seeking factors influencing power loss of a churning mechanism.
Description
Technical field
The present invention relates to a kind of power loss measuring device, be specifically related to a kind of motor-driven gear and stir oily power loss measuring device.
Background technique
Current to stirring the reason of oil machine structure power loss mainly for the research of stirring oil machine structure power loss external cause.For the modulus of gear, the axial position of gear and these internal causes of flank of tooth size of gear are probed into less.Can produce a large amount of heat in Meshing Process of Spur Gear, these heat can pass in lubricant oil, and cause speed reducer inside temperature sharply to raise, oil body sharply declines, very large on power loss impact, the current control do not improved oil temperature.The power loss of stirring oil machine structure is many-sided reason, and we will as much as possible many consider face to face, reduce to greatest extent and stir oily loss, improves energy utilization rate.
Summary of the invention
The present invention seeks to: provide a kind of motor-driven gear to stir oily power loss measuring device, for seeking the influence factor of stirring oil machine structure power loss, particularly lubricating oil temperature is on the impact of viscosity and churning loss, within the scope of what kind of oil temperature, just can guarantee that oil body is stablized, thus reduce the churning loss because pinion rotation causes; By its power loss of gears meshing repeated measurement to different depth lubricant oil, the best finding out gear invades the oily degree of depth.
Technological scheme of the present invention is: a kind of motor-driven gear stirs oily power loss measuring device, comprise worktable, be located at the fuel tank on described worktable and speed reducer, for being communicated with two oil temperature oil-flow control apparatus of described fuel tank and described speed reducer, be located at the driving gear in described speed reducer and driven gear, and be respectively used to the driving gear shaft and the driven gear shaft that are set with described driving gear and described driven gear; A described speed reducer wherein side is provided with gear shaft slideway, described driving gear shaft and described driven gear shaft are fixed on described gear shaft slideway by bearing, be connected with connecting shaft one in one end of described driving gear shaft simultaneously, connecting shaft two is connected with in one end of described driven gear shaft, described connecting shaft one and described connecting shaft two are respectively equipped with torque and speed sensors one and torque and speed sensors two, and one end of described connecting shaft one connects drive motor, one end of described connecting shaft two connects load motor.
As preferred technological scheme, on described connecting shaft one and described connecting shaft two, equal symmetry is set with diaxon bearing, described worktable is provided with several cross settings and for the T font track of described drive motor, described load motor and described bearing support left and right translation, and described drive motor, described load motor and described bearing support are all fixed on described T font track by journal stirrup, bolt, packing ring and hexagon nut.
As preferred technological scheme, described speed reducer comprises casing, case lid and several be located at installation chunk in described gear shaft slideway, described gear shaft slideway is in the font of falling T and upper end open, and described driving gear shaft and described driven gear shaft are along the left and right translation of gear shaft slideway and described driving gear shaft and described driven gear shaft sealing are fixed on gear shaft slideway by described installation chunk.
As preferred technological scheme, be provided with into and out of hydraulic fluid port in described casing side, describedly connect respectively by the oil pipe one oil temperature oil-flow control apparatus corresponding with it into and out of hydraulic fluid port, two oil temperature oil-flow control apparatus are connected respectively by oil pipe two with described fuel tank.
As preferred technological scheme, between described connecting shaft one and described driving gear shaft, described drive motor, and described connecting shaft two and described driven gear shaft, all to be connected by Hooks coupling universal coupling between described load motor.
As preferred technological scheme, described driving gear shaft and described driven gear shaft are multidiameter shaft, all fixed by the shaft shoulder between the multidiameter shaft that one end of described driving gear and described driven gear is corresponding with it, the other end of described driving gear and described driven gear is all fixed on the multidiameter shaft of its correspondence by back-up ring, and described bearing housing is loaded on the maximum end of described multidiameter shaft simultaneously.
As preferred technological scheme, described case lid aligns with described casing upper end and centre is provided with sealing gasket, and four angles of simultaneously described case lid and described casing are fixed respectively by screw.
As preferred technological scheme, be provided with seal groove and seal ring in all sides of described gear shaft slideway.
As preferred technological scheme, described cabinet exterior is positioned at below described gear shaft slideway and is provided with horizontal scale scale.
As preferred technological scheme, described casing one side is transparent, and is carved with vertical scale scale on transparent cabinet exterior.
Advantage of the present invention is:
1. provided by the invention for measuring churning loss in speed reducer and power power loss device, reasonable in design, have wide range of applications, applicability is strong, both the major parameter of engaging gear can have been changed, temperature and the degree of depth of lubricant oil in casing can be controlled again, adjust every influence factor, find out the biggest factor affecting power loss.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is that speed reducer of the present invention and driving gear shaft, driven gear shaft assemble schematic diagram;
Fig. 3 is gearbox structure schematic diagram of the present invention;
Fig. 4 is T font track assembling schematic diagram in Fig. 1;
Wherein: 1 worktable, 2 fuel tanks, 3 speed reduceres, 3-1 casing, 3-2 case lid, 3-3 installs chunk, 3-4 filler opening, 3-5 oil outlet, 4 oil temperature oil-flow control apparatus, 5 driving gears, 6 driven gears, 7 driving gear shafts, 8 driven gear shafts, 10 gear shaft slideways, 11 bearings, 12 connecting shafts one, 13 connecting shafts two, 14 torque and speed sensorses one, 15 torque and speed sensorses two, 16 drive motor, 17 load motors, 18 bearing supports, 19T font track, 20 journal stirrups, 21 bolts, 22 packing rings, 23 hexagon nuts, 24 oil pipes one, 25 oil pipes two, 26 Hooks coupling universal couplings, 27 back-up rings, 28 screws, 29 seal grooves and seal ring, 30 horizontal scale scales.
Embodiment
Embodiment: shown in 4, a kind of motor-driven gear stirs oily power loss measuring device, comprise worktable 1, be located at the fuel tank 2 on worktable 1 and speed reducer 3, for being communicated with two oil temperature oil-flow control apparatus 4 of fuel tank 2 and speed reducer 3, be located at the driving gear 5 in speed reducer 3 and driven gear 6, and be respectively used to the driving gear shaft 7 and the driven gear shaft 8 that are set with driving gear 5 and driven gear 6, a speed reducer 3 wherein side is provided with gear shaft slideway 10, driving gear shaft 7 and driven gear shaft 8 are fixed on gear shaft slideway 10 by bearing 11, be connected with connecting shaft 1 in one end of driving gear shaft 7 simultaneously, connecting shaft 2 13 is connected with in one end of driven gear shaft 8, connecting shaft 1 and connecting shaft 2 13 are respectively equipped with torque and speed sensors 1 and torque and speed sensors 2 15, and one end of connecting shaft 1 connects drive motor 16, one end of connecting shaft 2 13 connects load motor 17, on connecting shaft 1 and connecting shaft 2 13, equal symmetry is set with diaxon bearing 18, worktable 1 is provided with several cross settings, and for drive motor 16, the T font track 19 of load motor 17 and bearing support about 18 translation, and drive motor 16, load motor 17 and bearing support 18 are all by journal stirrup 20, bolt 21, packing ring 22 and hexagon nut 23 are fixed on T font track 19, driving gear shaft 7 and driven gear shaft 8 are multidiameter shaft simultaneously, all fixed by the shaft shoulder between the multidiameter shaft that one end of driving gear 5 and driven gear 6 is corresponding with it, the other end of driving gear 5 and driven gear 6 is all fixed on the multidiameter shaft of its correspondence by back-up ring 27, and bearing 11 is set in the maximum end of multidiameter shaft simultaneously.
Speed reducer 3 of the present invention comprises casing 3-1, case lid 3-2 and 5 is located at the installation chunk 3-3 in gear shaft slideway 10, gear shaft slideway 10 is the font of falling T and upper end open, and driving gear shaft 7 and driven gear shaft 8 sealing are also fixed on gear shaft slideway 10 by installing chunk 3-3 along gear shaft slideway about 10 translation by driving gear shaft 7 and driven gear shaft 8.Be provided with into and out of hydraulic fluid port 3-4,3-5 in casing 3-1 side, connect into and out of hydraulic fluid port 3-4,3-5 respectively by the oil temperature oil-flow control apparatus 4 that oil pipe 1 is corresponding with it, two oil temperature oil-flow control apparatus 4 are connected respectively by oil pipe 2 25 with fuel tank 2.Case lid 3-2 aligns with casing 3-1 upper end and centre is provided with sealing gasket, fixing respectively by screw 28 on four angles of simultaneously case lid 3-2 and casing 3-1.Be provided with seal groove and seal ring 29 in gear shaft slideway 10 weeks sides, to prevent oil leak, improve sealing effect.
With reference to shown in Fig. 2, the concrete assembling method of its speed reducer 3 is as follows: will install chunk one and install chunk two respectively from the slippage of gear shaft slideway 10 upper end open to the Far Left of the font of falling T gear shaft slideway 10 and rightmost, according to engaging gear (driving gear 5 and driven gear 6) center distance regulation placement location, and be embedded on the seal groove of gear shaft slideway 10 weeks sides; Bearing 11 is set in the maximum end of multidiameter shaft, and be inserted in its corresponding gear, the driving gear shaft 7 assembled and driven gear shaft 8 are moved on to installation chunk one and installation chunk two respectively along the font of falling T gear shaft slideway 10, and corresponding bearing 11 be embedded in installation chunk one and install in the projection of chunk two, place according to centre distance and engagement situation and fix; By installation chunk three and install chunk four move between two bearings 11 along the font of falling T gear shaft slideway 10, and inlay into adjust position and fix; Finally installation chunk five inserted T font gear shaft slideway 10 top and seal fixing.The present invention simultaneously can also change the pair of engaged gears (driving gear 8 and driven gear 6) of different modulus, the different number of teeth and different centre distance according to demand within the specific limits.
The fixation method of its drive motor 16, load motor 17 and bearing support 18 is as follows: journal stirrup 20 aligns with T font track 19, the major part of bolt 21 is put into T font track 19 slippage near journal stirrup 20, packing ring 22, hexagon nut 23 are inserted in bolt 21 successively, and tighten fixing.
Of the present inventionly be positioned at below gear shaft slideway 10 and be provided with horizontal scale scale 30 on casing 3-1 outer wall, according to selected engaging gear modulus, the number of teeth, pressure angle, calculate optimum center distance, the optimal placed location finding out driving gear shaft 7, driven gear shaft 8 is convenient to according to horizontal scale scale 30, convenient for assembly.And casing 3-1 one side is transparent, be convenient to observe speed reducer 3 internal gear engagement situation, and lubricant oil distribution situation when stirring oil, and on transparent casing 3-1 outer wall, be carved with vertical scale scale, the convenient height observing lubricant oil.
Between connecting shaft 1 of the present invention and driving gear shaft 7, drive motor 16, and connecting shaft 2 13 and driven gear shaft 8, all to be connected by Hooks coupling universal coupling 26 between load motor 17.
Oil temperature control method of the present invention is as follows: when speed reducer 3 works, speed reducer 3 internal lubrication oil temperature can sharply raise, oil-feed speed is set by warm oil-flow control apparatus 4 and equals Extraction rate, high temperature grease in speed reducer 3 is flowed out by pipeline, through oil temperature oil-flow control apparatus 4, get back to heat radiation in fuel tank 2, if temperature is too high start sink (fan), also can at oil pipe outer surface distribution radiating fin.Cooling later lubricant oil pumping in pipeline enters speed reducer 3 through oil temperature oil-flow control apparatus 4, so just can regulate the temperature of speed reducer 3 inside.The impact that lubricant oil is subject to temperature is very large, can measure temperature by the present invention is that how to affect the fluctuation of gear-driven churning loss in which temperature range minimum, filled by oil temperature fuel-flow control simultaneously, 4 can also control to invade the oily degree of depth, then measure difference invade the oily degree of depth under churning loss situation, observe the distribution situation of lubricant oil.
The present invention measures the efficiency of driving gear shaft 5 and the efficiency of driven gear shaft 6 by torque and speed sensors, and draw the total output Pc of the inner churning loss of speed reducer 3, this formula is divided into three parts: the churning loss Pc1 relevant with multidiameter shaft external diameter; The churning loss Pc2 relevant with gear bi-side; Churning loss (peripheries of the two large small gears) Pc3 relevant with the flank of tooth.Its formula is as follows:
P
c＝P
c1+P
c2+P
c3
Wherein:
In formula:
F
g-gear immersion factor, without f under oil condition
g=0, f during whole submergence
g=1, other situations highly get the linear value between 0 ~ 1 according to submergence;
Kinematical viscosity under ν-operating temperature, cSt;
N
i-working speed, rpm;
D
o-outer dia, mm;
L-length, mm;
A
g-configuration constant, A
g=0.2;
The facewidth of B-gearwheel or small gear, mm;
R
f-roughness factor, R
fthe coefficient relevant with wheel teeth size proposed for Townsend, can by approximate formula
Try to achieve;
β-oblique gear spiral angle, as β < 10 °, β value gets 10 °.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a motor-driven gear stirs oily power loss measuring device, comprise worktable, it is characterized in that, also comprise and be located at fuel tank on described worktable and speed reducer, for being communicated with two oil temperature oil-flow control apparatus of described fuel tank and described speed reducer, be located at the driving gear in described speed reducer and driven gear, and be respectively used to the driving gear shaft and the driven gear shaft that are set with described driving gear and described driven gear; A described speed reducer wherein side is provided with gear shaft slideway, described driving gear shaft and described driven gear shaft are fixed on described gear shaft slideway by bearing, be connected with connecting shaft one in one end of described driving gear shaft simultaneously, connecting shaft two is connected with in one end of described driven gear shaft, described connecting shaft one and described connecting shaft two are respectively equipped with torque and speed sensors one and torque and speed sensors two, and one end of described connecting shaft one connects drive motor, one end of described connecting shaft two connects load motor.
2. motor-driven gear according to claim 1 stirs oily power loss measuring device, it is characterized in that, on described connecting shaft one and described connecting shaft two, equal symmetry is set with diaxon bearing, described worktable is provided with several cross settings and for the T font track of described drive motor, described load motor and described bearing support left and right translation, and described drive motor, described load motor and described bearing support are all fixed on described T font track by journal stirrup, bolt, packing ring and hexagon nut.
3. motor-driven gear according to claim 1 stirs oily power loss measuring device, it is characterized in that, described speed reducer comprises casing, case lid and several be located at installation chunk in described gear shaft slideway, described gear shaft slideway is in the font of falling T and upper end open, and described driving gear shaft and described driven gear shaft are along the left and right translation of gear shaft slideway and described driving gear shaft and described driven gear shaft sealing are fixed on gear shaft slideway by described installation chunk.
4. motor-driven gear according to claim 3 stirs oily power loss measuring device, it is characterized in that, be provided with into and out of hydraulic fluid port in described casing side, describedly connect into and out of hydraulic fluid port respectively by the oil pipe one oil temperature oil-flow control apparatus corresponding with it, two oil temperature oil-flow control apparatus are connected respectively by oil pipe two with described fuel tank.
5. motor-driven gear according to claim 1 stirs oily power loss measuring device, it is characterized in that, between described connecting shaft one and described driving gear shaft, described drive motor, and described connecting shaft two and described driven gear shaft, all to be connected by Hooks coupling universal coupling between described load motor.
6. motor-driven gear according to claim 1 stirs oily power loss measuring device, it is characterized in that, described driving gear shaft and described driven gear shaft are multidiameter shaft, all fixed by the shaft shoulder between the multidiameter shaft that one end of described driving gear and described driven gear is corresponding with it, the other end of described driving gear and described driven gear is all fixed on the multidiameter shaft of its correspondence by back-up ring, and described bearing housing is loaded on the maximum end of described multidiameter shaft simultaneously.
7. motor-driven gear according to claim 3 stirs oily power loss measuring device, it is characterized in that, described case lid aligns with described casing upper end and centre is provided with sealing gasket, and four angles of simultaneously described case lid and described casing are fixed respectively by screw.
8. motor-driven gear according to claim 1 stirs oily power loss measuring device, it is characterized in that, is provided with seal groove and seal ring in all sides of described gear shaft slideway.
9. motor-driven gear according to claim 3 stirs oily power loss measuring device, it is characterized in that, described cabinet exterior is positioned at below described gear shaft slideway and is provided with horizontal scale scale.
10. motor-driven gear according to claim 3 stirs oily power loss measuring device, it is characterized in that, described casing one side is transparent, and is carved with vertical scale scale on transparent cabinet exterior.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN105179668A true CN105179668A (en) | 2015-12-23 |
| CN105179668B 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226068A (en) * | 2016-07-11 | 2016-12-14 | 盐城工学院 | A kind of churning loss test device and method of testing |
| 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 |
| CN111458138A (en) * | 2020-03-31 | 2020-07-28 | 盐城工学院 | Experimental device and method for measuring gear oil stirring loss in oil-immersed lubrication state |
| CN112460241A (en) * | 2020-09-29 | 2021-03-09 | 中国北方车辆研究所 | Design method for inhibiting oil mixing power loss of transmission system |
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| CN1959368A (en) * | 2006-10-26 | 2007-05-09 | 奇瑞汽车有限公司 | Method of testing power loss in high speed of speed changer of automobile |
| CN101413578A (en) * | 2008-11-04 | 2009-04-22 | 常州市瑞泰工程机械有限公司 | Combined lubrication gear box |
| CN102331346A (en) * | 2011-07-01 | 2012-01-25 | 重庆大学 | Low-power consumption hardware-in-loop test bench and test method for vehicular automatic transmission |
| EP2299159A3 (en) * | 2009-09-07 | 2013-08-28 | Moventas Oy | Method for monitoring the condition of a gearbox and a corresponding arrangement |
| 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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2015
- 2015-11-02 CN CN201510733679.XA patent/CN105179668B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1959368A (en) * | 2006-10-26 | 2007-05-09 | 奇瑞汽车有限公司 | Method of testing power loss in high speed of speed changer of automobile |
| CN101413578A (en) * | 2008-11-04 | 2009-04-22 | 常州市瑞泰工程机械有限公司 | Combined lubrication gear box |
| EP2299159A3 (en) * | 2009-09-07 | 2013-08-28 | Moventas Oy | Method for monitoring the condition of a gearbox and a corresponding arrangement |
| CN102331346A (en) * | 2011-07-01 | 2012-01-25 | 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226068A (en) * | 2016-07-11 | 2016-12-14 | 盐城工学院 | A kind of churning loss test device and method of testing |
| 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 |
| CN111458138A (en) * | 2020-03-31 | 2020-07-28 | 盐城工学院 | Experimental device and method for measuring gear oil stirring loss in oil-immersed lubrication state |
| CN112460241A (en) * | 2020-09-29 | 2021-03-09 | 中国北方车辆研究所 | Design method for inhibiting oil mixing power loss of transmission system |
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| Publication number | Publication date |
|---|---|
| CN105179668B (en) | 2017-08-29 |
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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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Granted publication date: 20170829 Termination date: 20201102 |