CN104316321A - Spatial mechanism gear transmission pair lubricating scheme optimal selection test device - Google Patents
Spatial mechanism gear transmission pair lubricating scheme optimal selection test device Download PDFInfo
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- CN104316321A CN104316321A CN201410607530.2A CN201410607530A CN104316321A CN 104316321 A CN104316321 A CN 104316321A CN 201410607530 A CN201410607530 A CN 201410607530A CN 104316321 A CN104316321 A CN 104316321A
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- gear
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- sleeve
- fluid sealing
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Abstract
The invention discloses a spatial mechanism gear transmission pair lubricating scheme optimal selection test device which comprises a magnetic powder brake, multiple gear test boxes, a vacuum tank, a magnetic fluid sealing shaft, a torque sensor and a drive motor. The magnetic powder brake and the gear test boxes are all arranged in the vacuum tank. The magnetic fluid sealing shaft is fixed to the side wall of the vacuum tank. The gear test boxes are connected sequentially. The magnetic powder brake is connected with the gear test boxes at one end and the gear test boxes at the other end are connected with the magnetic fluid sealing shaft. The magnetic fluid sealing shaft is connected with the drive motor through the torque sensor. A test that the gear test boxes are compared in the vacuum environment at the same time is adopted for optimal selection of spatial mechanism gear transmission pair lubricating schemes, test time can be shortened, and test cost can be reduced; in addition, gear test pieces in all the gear test boxes have the same contact stress in the mode that the gear meshing width of the gear test boxes can be adjusted, and it is guaranteed that all the gear test pieces can be tested under the same condition.
Description
Technical field
The present invention relates to space mechanism's gear driving pair vacuum test technical field, especially a kind of space mechanism gear driving pair lubrication strategies optimization test device.
Background technology
Use gear driving pair in a large number in the space mechanisms such as space camera focus adjusting mechanism, antenna direction mechanism, scanning mechanism and space manipulator, usually need to carry out space lubrication strategies according to the request for utilization of these mechanism's middle gear transmissions and preferably work.But directly use complete machine to carry out test and there is the shortcomings such as experimentation cost is high, the cycle is long, therefore need for space mechanism's middle gear transmission request for utilization, the test period is short, cost is low geared parts level test method and device.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of space mechanism gear driving pair lubrication strategies optimization test device is proposed, according to the request for utilization of space mechanism's gear driving pair, lubrication strategies optimization test can be carried out under gear equivalence contact stress, has the advantages that the test period is short, cost is low.
In order to realize foregoing invention object, the invention provides following technical scheme: a kind of space mechanism gear driving pair lubrication strategies optimization test device, comprise magnetic powder brake, several Gear Experimentation casees, vacuum tank, magnet fluid sealing axle, torque sensor and drive motor, magnetic powder brake and several Gear Experimentation casees are all located in vacuum tank, and magnet fluid sealing axle is fixed on vacuum tank sidewall; Several Gear Experimentation casees connect successively, and magnetic powder brake is connected with the Gear Experimentation case of one end, and other end Gear Experimentation case is connected with magnet fluid sealing axle, and magnet fluid sealing beam warp torque sensor is connected with drive motor.
Further, magnetic powder brake, several Gear Experimentation casees, vacuum tank, magnet fluid sealing axle, torque sensor all adopt shaft coupling to be connected with drive motor connection each other.
Further, this Gear Experimentation case is made up of casing, input shaft, input gear, output gear, output shaft, the first sleeve and the second sleeve, input shaft and output shaft are all erected in casing, input gear is set on input shaft, output gear is set on output shaft, input gear and output gear engagement; First sleeve and the second sleeve are set on the output shaft of output gear both sides respectively; Casing is stretched out respectively in one end of input shaft and one end of output shaft.
Further, the ratio of gear of input gear and output gear is 1:1.
Further, the first sleeve and the second sleeve are and are set on output shaft actively, regulate the engaging width between input gear and output gear.
Compared with prior art, the present invention has the following advantages: adopt multiple test gear case simultaneously contrast test under vacuum conditions, preferred for space mechanism's gear driving pair lubrication strategies, and can shorten test period, reduces experimentation cost; Test gear case makes each gearbox medium gear testpieces have identical contact stress by the mode of adjusting gear engaging width in addition, guarantees that each Gear Experimentation part can under equal conditions be tested, and improves the confidence level of contrast test.
Beneficial effect is compared with prior art:
1) carry out the geared parts level test under equivalent contact stress, do not need to test space mechanism's complete machine, there is simple advantage;
2) test of multiple sets of teeth wheel can be carried out simultaneously, carry out space mechanism's gear driving pair lubrication strategies preferably, shorten test period, reduce experimentation cost;
3) contact stress of each gearbox medium gear testpieces can be realized by the mode of adjusting gear engaging width, and the regulative mode of engaging width is simple.
Accompanying drawing explanation
The structural representation of Tu1Shi space mechanism of the present invention gear driving pair lubrication strategies optimization test device;
Fig. 2 is the structural representation of Gear Experimentation case of the present invention.
In figure: 1-magnetic powder brake, 2,3,4,5-Gear Experimentation case, 6-magnet fluid sealing axle, 7-torque sensor, 8-drive motor, 9-shaft coupling, 11-casing, 12-input shaft, 13-input gear, 14-output gear, 15-output shaft, 16-first sleeve, 17-second sleeve.
Embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
A kind of space mechanism gear driving pair lubrication strategies optimization test device as shown in Figure 1, comprise magnetic powder brake 1, several Gear Experimentation casees, vacuum tank 10, magnet fluid sealing axle 6, torque sensor 7 and drive motor 8, magnetic powder brake 1 and several Gear Experimentation casees are all located in vacuum tank 10, and magnet fluid sealing axle 6 is fixed on vacuum tank 10 sidewall; Several Gear Experimentation casees connect successively, and magnetic powder brake 1 is connected with the Gear Experimentation case 2 of one end, and other end Gear Experimentation case 5 is connected with magnet fluid sealing axle 6, and magnet fluid sealing axle 6 is connected with drive motor 8 through torque sensor 7; Connection between above-mentioned parts all adopts shaft coupling 9 to connect.
Gear Experimentation case wherein shown in Fig. 1 is four: Gear Experimentation case 2, Gear Experimentation case 3, Gear Experimentation case 3 and Gear Experimentation case 4; The structure of each Gear Experimentation case as shown in Figure 2, be made up of casing 11, input shaft 12, input gear 13, output gear 14, output shaft 15, first sleeve 16 and the second sleeve 17, input shaft 12 and output shaft 15 are all erected in casing 11, input gear 13 is set on input shaft 12, output gear 14 is set on output shaft 15, and input gear 13 and output gear 14 engage; First sleeve 16 and the second sleeve 17 are set on the output shaft 15 of output gear 14 both sides respectively; One end of input shaft 12 and one end of output shaft 15 stretch out casing 11 respectively.
The ratio of gear of input gear 13 and output gear 14 is 1:1; First sleeve 16 and the second sleeve 17 are and are set on output shaft 15 actively, regulate the engaging width between input gear 13 and output gear 14.
The principle of work of said apparatus is: according to the transmission efficiency of gear driving pair and the moment delivery request of space mechanism's gear driving pair, gears meshing width under can calculating equivalent contact stress in each gear case, and realize the adjustment of gears meshing width by the axial dimension of the first sleeve 16 and the second sleeve 17 in adjustment Fig. 2, ensure each Gear Experimentation case middle gear testpieces with in space mechanism use gear driving pair to have identical Gear Contact stress, multiple sets of teeth wheel contrast test under vacuum conditions can be carried out simultaneously, preferred for space mechanism's gear driving pair lubrication strategies, reach shortening test period, reduce the object of experimentation cost.
Embodiment
A pair gear driving pair is had in certain space mechanism, need to carry out preferably to its space lubrication strategies, alternatives totally four kinds, need to be implemented in four Gear Experimentation casees simultaneously and test, according to this mechanism's gear joint torque drive demand, testing the gears meshing width of gear case when loading moment of torsion is 10Nm under calculating its equivalent contact stress is 6mm, then can according to test method of the present invention and device, and its test implementation step is as follows:
1) loaded in Gear Experimentation case 2 as shown in Figure 1 by the gear pair implementing lubrication strategies one, magnetic powder brake 1 applies load torque T
2=10Nm, regulates the axial dimension of the first sleeve 6 as shown in Figure 2 in Fig. 1 middle gear chamber 2 and the second sleeve 7 to make its gears meshing width be B
2=6mm;
2) gear pair implementing lubrication strategies two is loaded in Gear Experimentation case 3 as shown in Figure 1, according to the transmission efficiency η of the Gear Experimentation case 2 known in advance
2=95%, the output torque T in Fig. 1 middle gear chamber 3 can be calculated
3=T
2/ η
2=10.53Nm, then can calculate the gears meshing width B of Fig. 1 middle gear chamber 3 under a proportional relationship
3=T
3* B
2/ T
2=6.32mm, to regulate in Fig. 1 middle gear chamber 3 axial dimension of the first sleeve 6 as shown in Figure 2 and the second sleeve 7 to make its gears meshing width be B
3=6.32mm;
3) gear pair implementing lubrication strategies three is loaded in Gear Experimentation case 4 as shown in Figure 1, according to the transmission efficiency η of the Gear Experimentation case 3 known in advance
3=95%, the output torque T in Fig. 1 middle gear chamber 4 can be calculated
4=T
3/ η
3=11.08Nm, then can calculate the gears meshing width B of Fig. 1 middle gear chamber 4 under a proportional relationship
4=T
4* B
3/ T
3=6.65mm, to regulate in Fig. 1 middle gear chamber 4 axial dimension of the first sleeve 6 as shown in Figure 2 and the second sleeve 7 to make its gears meshing width be B
4=6.65mm;
4) gear pair implementing lubrication strategies four is loaded in Gear Experimentation case 5 as shown in Figure 1, according to the transmission efficiency η of the Gear Experimentation case 4 known in advance
4=95%, the output torque T in Fig. 1 middle gear chamber 5 can be calculated
5=T
4/ η
4=11.66Nm, then can calculate the gears meshing width B of Fig. 1 middle gear chamber 5 under a proportional relationship
5=T
5* B
4/ T
4=7.00mm, to regulate in Fig. 1 middle gear chamber 5 axial dimension of the first sleeve 6 as shown in Figure 2 and the second sleeve 7 to make its gears meshing width be B
5=7.00mm;
5) according to the transmission efficiency η of the Gear Experimentation case 5 known in advance
5=95%, and the moment of friction T of magnet fluid sealing axle 6 on vacuum tank 10 in Fig. 1
0=0.2Nm, the indicating value that can calculate torque sensor 7 shown in Fig. 1 in test is required to be T=T
5/ η
5+ T
0=12.47Nm;
6) vacuumize by Fig. 1 joint test device, when vacuum tightness meets testing requirements, open drive motor 8, regulate the loading current of magnetic powder brake, the indicating value making torque sensor 7 is 12.47Nm, starts test;
7) torque sensor 7 indicating value is detected in test, guarantee the validity tested, after the condition that test to be achieved completes, open vacuum tank, take out the test gear case of employing four kinds of different lubrication strategies, com-parison and analysis is for the space lubrication strategies of this organization gear transmission optimum.
Space mechanism of the present invention gear driving pair test unit, 1) employing ratio of gear is the test gear case of 1:1, multiple sets of teeth wheel contrast test under vacuum conditions can be carried out, preferred for space mechanism's gear driving pair lubrication strategies simultaneously, and test period can be shortened, reduce experimentation cost; 2) Gear Experimentation case makes each gearbox medium gear testpieces have identical contact stress by the mode of adjusting gear engaging width, guarantees that each Gear Experimentation part can under equal conditions be tested, and improves the confidence level of contrast test.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. space mechanism's gear driving pair lubrication strategies optimization test device, it is characterized in that: comprise magnetic powder brake, several Gear Experimentation casees, vacuum tank, magnet fluid sealing axle, torque sensor and drive motor, magnetic powder brake and several Gear Experimentation casees are all located in vacuum tank, and magnet fluid sealing axle is fixed on vacuum tank sidewall; Several Gear Experimentation casees connect successively, and magnetic powder brake is connected with the Gear Experimentation case of one end, and other end Gear Experimentation case is connected with magnet fluid sealing axle, and magnet fluid sealing beam warp torque sensor is connected with drive motor.
2. space mechanism's gear driving pair lubrication strategies optimization test device as claimed in claim 1, is characterized in that: magnetic powder brake, several Gear Experimentation casees, vacuum tank, magnet fluid sealing axle, torque sensor all adopt shaft coupling to be connected with drive motor connection each other.
3. space mechanism's gear driving pair lubrication strategies optimization test device as claimed in claim 1, it is characterized in that: this Gear Experimentation case is made up of casing, input shaft, input gear, output gear, output shaft, the first sleeve and the second sleeve, input shaft and output shaft are all erected in casing, input gear is set on input shaft, output gear is set on output shaft, input gear and output gear engagement; First sleeve and the second sleeve are set on the output shaft of output gear both sides respectively; Casing is stretched out respectively in one end of input shaft and one end of output shaft.
4. space mechanism's gear driving pair lubrication strategies optimization test device as claimed in claim 3, is characterized in that: the ratio of gear of input gear and output gear is 1:1.
5. space mechanism's gear driving pair lubrication strategies optimization test device as claimed in claim 3, is characterized in that: the first sleeve and the second sleeve are and are set on output shaft actively, regulates the engaging width between input gear and output gear.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410607530.2A CN104316321B (en) | 2014-11-03 | 2014-11-03 | Spatial mechanism gear transmission pair lubricating scheme optimal selection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410607530.2A CN104316321B (en) | 2014-11-03 | 2014-11-03 | Spatial mechanism gear transmission pair lubricating scheme optimal selection test device |
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| Publication Number | Publication Date |
|---|---|
| CN104316321A true CN104316321A (en) | 2015-01-28 |
| CN104316321B CN104316321B (en) | 2017-04-12 |
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| CN201410607530.2A Active CN104316321B (en) | 2014-11-03 | 2014-11-03 | Spatial mechanism gear transmission pair lubricating scheme optimal selection test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345852A (en) * | 2017-05-12 | 2017-11-14 | 杭州威衡科技有限公司 | Servo-driver transmission system test device |
| CN112781852A (en) * | 2020-12-30 | 2021-05-11 | 浙江工商大学 | Drive loading platform under low-temperature vacuum condition |
| CN113776824A (en) * | 2021-09-15 | 2021-12-10 | 北京卫星环境工程研究所 | High-precision dynamic micro friction torque testing system applied to space environment test |
| CN113834775A (en) * | 2021-08-31 | 2021-12-24 | 江南大学 | Measuring device for lubricating material adhesion performance comparison and application |
| CN113893441A (en) * | 2021-08-26 | 2022-01-07 | 中国科学院自动化研究所 | Interventional operation delivery device |
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| DE3905983A1 (en) * | 1989-02-25 | 1990-08-30 | Klotz Gmbh Spezialgeraete | Test bench for gearboxes |
| JPH11108799A (en) * | 1997-10-07 | 1999-04-23 | Daikin Ind Ltd | Gear testing device |
| CN102449457A (en) * | 2009-04-02 | 2012-05-09 | 霍尼韦尔国际公司 | System and method for gearbox health monitoring |
| CN103245501A (en) * | 2013-04-22 | 2013-08-14 | 兰州空间技术物理研究所 | Vacuum high-low temperature efficiency testing device for harmonic reducer |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3905983A1 (en) * | 1989-02-25 | 1990-08-30 | Klotz Gmbh Spezialgeraete | Test bench for gearboxes |
| JPH11108799A (en) * | 1997-10-07 | 1999-04-23 | Daikin Ind Ltd | Gear testing device |
| CN102449457A (en) * | 2009-04-02 | 2012-05-09 | 霍尼韦尔国际公司 | System and method for gearbox health monitoring |
| CN103245501A (en) * | 2013-04-22 | 2013-08-14 | 兰州空间技术物理研究所 | Vacuum high-low temperature efficiency testing device for harmonic reducer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345852A (en) * | 2017-05-12 | 2017-11-14 | 杭州威衡科技有限公司 | Servo-driver transmission system test device |
| CN107345852B (en) * | 2017-05-12 | 2019-05-10 | 杭州威衡科技有限公司 | Servo-driver transmission system test device |
| CN112781852A (en) * | 2020-12-30 | 2021-05-11 | 浙江工商大学 | Drive loading platform under low-temperature vacuum condition |
| CN113893441A (en) * | 2021-08-26 | 2022-01-07 | 中国科学院自动化研究所 | Interventional operation delivery device |
| CN113834775A (en) * | 2021-08-31 | 2021-12-24 | 江南大学 | Measuring device for lubricating material adhesion performance comparison and application |
| CN113834775B (en) * | 2021-08-31 | 2023-08-18 | 江南大学 | Measuring device for comparing adhesion performance of lubricating materials and application |
| CN113776824A (en) * | 2021-09-15 | 2021-12-10 | 北京卫星环境工程研究所 | High-precision dynamic micro friction torque testing system applied to space environment test |
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|---|---|
| CN104316321B (en) | 2017-04-12 |
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