CN201242493Y - Closed type test stand for worm-gear pair longevity - Google Patents
Closed type test stand for worm-gear pair longevity Download PDFInfo
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- CN201242493Y CN201242493Y CNU2008200884089U CN200820088408U CN201242493Y CN 201242493 Y CN201242493 Y CN 201242493Y CN U2008200884089 U CNU2008200884089 U CN U2008200884089U CN 200820088408 U CN200820088408 U CN 200820088408U CN 201242493 Y CN201242493 Y CN 201242493Y
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- gearbox
- reducer casing
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- planet
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Abstract
The utility model discloses a closed type test bench for testing the service life of a worm gear pair. The closed type test bench comprises a balancing motor, an auxiliary gearbox I, a loader, an auxiliary gearbox II, a testee reduction gearbox and an accompanying reduction gearbox which are connected through a coupling component, an elastic axle I, an elastic axle II, and an elastic axle III; the closed type test bench is characterized in that a planetary mechanism acceleration gearbox I is installed between the testee reduction gearbox and the accompanying reduction gearbox, a planetary mechanism acceleration gearbox II is installed at the output end of the accompanying reduction gearbox, a planetary synchronous loading coupling is arranged on the auxiliary gearbox II; the utility model has the advantages that the planetary mechanism acceleration gearbox I is installed between the testee reduction gearbox and the accompanying reduction gearbox, and the planetary mechanism acceleration gearbox II is installed at the output end of the accompanying reduction gearbox, which maintains that the input and output of the worm gear case are basically unchanged, so as to ensure the rotating speed to return to the rotating speed close to that of the output of the motor, and the input and output are ensured to form confined force flow at the auxiliary gearbox II; as the planetary synchronous loading coupling is arranged on the auxiliary gearbox II, the problem that the input rotating speed and the output rotating speed can not be completely synchronous is solved; therefore, the purpose that the closed type test can be performed for testing the service life of the worm gear pair in a laboratory is realized.
Description
Technical field:
The utility model relates to a kind of mechanical test device, specifically is a kind of worm gear pair life-span blocking test platform of testing the worm gear pair life-span.
Background technology:
The cogwheel gearing blocking test platform of prior art generally is by balance motor supporting base, balance motor, auxiliary gearbox I, coupling assembly, elastic shaft I, loader, auxiliary gearbox II, erecting bed, elastic shaft II, elastic shaft III, tested reducer casing, accompanies the examination reducer casing to form.This test unit is when the test toothed gearing, tested case is identical with the speed ratio of accompanying the examination case in its closed test board, tested case and accompany examination case adopt back-to-back installation after, speed is got back to original input speed, formation confining force stream makes it successfully to finish test purpose.Obviously, this test unit is that the worm gear pair that can not be used to have reverse auto-lock function is tested.This is because the worm gear pair input and output are the orthogonal axle motions in space on the one hand; Test the inconvenient each a kind of gearbox of specialized designs of various speed ratio worm gear reducers on the other hand, and corresponding gearbox, differing is designed to identical speed ratio surely.Like this, asynchronous for the position input and output of sealing platform, the locus can not form confining force stream.Through preliminary search, also there is not worm gear pair life-span blocking test device at present, the performance data in the serviceable life of present worm gear pair, general still adopt to chase after to combine anti-ly ask the user and obtain, though its operating life data is reliable, but serious the hysteresis can not adapt to the needs of industrial develop rapidly far away.Therefore, work out in the laboratory and can carry out the blocking test device, become industry important subject anxious to be solved the worm gear pair life-span.
The utility model content:
The technical problems to be solved in the utility model is that a kind of worm gear pair life-span blocking test platform that can carry out blocking test in the laboratory to the worm gear pair life-span is provided.
Technical solution of the present utility model is that a kind of worm gear pair life-span blocking test platform with following structure is provided; This testing table includes balance motor, auxiliary gearbox I, loader, auxiliary gearbox II, the tested reducer casing that connects by coupling assembly, elastic shaft I, elastic shaft II, elastic shaft III, accompany the examination reducer casing, be characterized at tested reducer casing and accompany between the examination reducer casing planetary gearbox I is installed, accompanying examination reducer casing output terminal that planetary gearbox II is installed, auxiliary gearbox II is provided with planet and loads shaft coupling synchronously.
The utility model also has following feature:
Described planetary gearbox is provided with two-stage planet carrier and two-stage sun gear, described two-stage planet carrier refers to input shaft planet carrier and secondary planet frame, described two-stage sun gear is meant one-level sun gear and secondary sun gear, the input shaft planet carrier, be contained on the worm gear end output shaft coupling of accompanying the examination reducer casing, join by transmission gear and one-level sun gear and secondary planet frame, then inserting the secondary sun gear is that the secondary sun gear output shaft is passed to motion the worm screw input end of accompanying the examination reducer casing by shaft coupling.
Described planet loads the synthetic synchronous device that shaft coupling is provided with the two-way transmission synchronously, one tunnel transmission is by the secondary sun gear output shaft output of second planetary gearbox in closed the position, the input shaft planet carrier that loads shaft coupling by a pair of shaft coupling and planet synchronously is connected, drive planet wheel spindle, make the planetary gear motion; Another road transmission is passed to its final stage gear by auxiliary gearbox II, and the final stage gear is the gear of band female spline dish, and the male splines ring gear that loads shaft coupling by planet synchronously makes planetary gear produce a motion equally; The two-way motion spreads out of by sun output shaft after synthesizing synchronously, passes to loader by a pair of shaft coupling again.
After adopting above structure, compared with prior art, the utlity model has following advantage: at tested case with accompany examination planetary mechanism gearbox I to be installed between the case, accompanying examination case output terminal that planetary mechanism gearbox II is installed, kept the worm gear case input and output constant substantially, make rotating speed get back to the rotating speed that the motor output speed is close, make input and output form confining force stream at auxiliary gearbox II place; Be provided with planet at auxiliary gearbox II place and load shaft coupling synchronously, having solved input speed and output speed can not synchronous fully problem; Thereby realized in the laboratory, carrying out the purpose of blocking test to the worm gear pair life-span.
Description of drawings:
Fig. 1 is general gear drive blocking test platform floor map;
Fig. 2 is the utility model worm gear pair blocking test platform floor map;
Fig. 3 is the planetary gearbox floor map in the utility model worm gear pair blocking test platform;
Fig. 4 loads the shaft coupling floor map synchronously for the planet in the utility model worm gear pair blocking test platform.
Shown in the figure: 1, the balance motor supporting base, 2, balance motor, 3, auxiliary gearbox I, 4, coupling assembly, 5, elastic shaft I, 6, loader, 7, auxiliary gearbox II, 8, elastic shaft II, 9, elastic shaft III, 10, tested reducer casing, 11, planetary gearbox I, 12, accompany the examination reducer casing, 13, planetary gearbox II, 14, planet loads shaft coupling synchronously, 15, the input planet carrier, 16, planet wheel spindle, 17, one-level sun gear and secondary planet frame, 18 secondary sun output shafts, 19 input shaft planet carriers, the terminal gear of 20 auxiliary gearboxes, 21 splined shaft annular wheels, 22 planet wheel spindles, 23 sun gear output shaft.
Embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the general gear drive blocking test platform floor map of prior art, shown in figure, existing gear drive blocking test platform, mainly by balance motor supporting base 1, balance motor 2, auxiliary gearbox I3, coupling assembly 4, elastic shaft I5, loader 6, auxiliary gearbox II7, elastic shaft II8, elastic shaft III9, tested reducer casing 10, accompany the examination reducer casing 12 form.The utility model is the principle according to existing general gear drive blocking test platform, characteristics at worm gear pair with reverse self-locking, increase planetary gearbox I11, planetary gearbox II13, planet loads the setting of shaft coupling 14 synchronously, the worm gear pair velocity ratio is tending towards synchronously and can forms and seal moment, be implemented in the purpose of in the laboratory being carried out blocking test the worm gear pair life-span, its structure as shown in Figure 2, the utility model mainly is by balance motor supporting base 1, balance motor 2, auxiliary gearbox I3, coupling assembly 4, elastic shaft I5, loader 6, auxiliary gearbox II7, elastic shaft II8, elastic shaft III9, tested reducer casing 10, planetary gearbox I11, accompany examination reducer casing 12, planetary gearbox II13, planet loads shaft coupling 14 synchronously and forms; Balance motor 2 is installed on the balance motor supporting base 1, balance motor 2 links to each other with auxiliary gearbox I3, auxiliary gearbox I3 is divided into two power streams up and down with the rotating speed and the moment of balance motor 2 outputs, gear case I3 is connected with the end of elastic shaft I5 by coupling assembly 4, the other end of elastic shaft I5 links to each other with auxiliary gearbox II7, power stream in the formation; Gear case I3 is connected with the end of elastic shaft III9 by another coupling assembly 4, the other end of elastic shaft III9 links to each other with tested reducer casing 10 input ends, the output terminal of tested reducer casing 10 connects planetary gearbox I11 input end, the output terminal of planetary gearbox I11 links to each other with the input end of accompanying examination reducer casing 12, accompany the installation of examination reducer casing 12, for the installation of tested reducer casing 10, accompany examination reducer casing 12 to install for being inverted, accompany the output terminal of examination reducer casing 12 to be connected with the input end of planetary gearbox II13, planetary gearbox II13 output terminal is connected with the end of elastic shaft II8, the other end of elastic shaft II8 is connected with auxiliary gearbox II7, so far, input and output have formed time confining force stream under the rotating speed out of step conditions, can not complete synchronization in order to have solved input speed and output speed, on auxiliary gearbox II7, be provided with planetary mechanism and load shaft coupling 14 synchronously; Two power streams are loaded synchronously at auxiliary gearbox II7 and planet converge in the shaft coupling 14 synchronously, and add and cut to loader.
The inner structure of above-mentioned planetary gearbox I11 and planetary gearbox II13 is identical, all be provided with two-stage planet carrier and two-stage sun gear equally, described two-stage planet carrier is meant input shaft planet carrier 15 and secondary planet frame 17, described two-stage sun gear is meant one-level sun gear and secondary planet frame and secondary sun gear output shaft, input shaft planet carrier 15 is contained on the worm gear end output shaft coupling of accompanying examination reducer casing 12, join by transmission gear and one-level sun gear and secondary planet frame 17 and secondary planet frame 16, then insert the secondary sun gear, secondary sun gear output shaft 18 is passed to motion the worm screw input end of accompanying the examination reducer casing by shaft coupling.
Above-mentioned planet loads the synthetic synchronizing linkage that shaft coupling is provided with the two-way transmission synchronously, one tunnel mechanism is made of input shaft planet carrier 19 gear trains, its transmission is the output shaft output by second planetary gearbox II13 in closed the position, be connected with input shaft planet carrier 19 by a pair of shaft coupling, drive planet wheel spindle 22, make the planetary gear motion; Another road mechanism is made of auxiliary gearbox II7 and multistage drive gear mechanism, its final stage gear 20 is passed in its transmission by auxiliary gearbox II7, final stage gear 20 is gears 21 of band female spline dish, produces a motion by make planetary gear equally in conjunction with male splines ring gear 21; The two-way motion spreads out of by sun output shaft 23 after synthesizing synchronously, passes to loader by a pair of shaft coupling again.
Its principle of work is: rotating speed and moment are passed through coupling assembly 4 by motor 2, input auxiliary gearbox I3 (speed ratio 1:1), rotating speed and moment with motor 2 outputs in auxiliary gearbox I3 are divided into two power streams up and down, and top power stream directly passes to auxiliary gearbox II7 (speed ratio 1:1) by coupling assembly 4 and elastic shaft I5; Following power stream inputs to tested reducer casing 10 by another coupling assembly 4 and elastic shaft III9, pass to planetary gearbox I11 by tested reducer casing 10 worm gears output, planetary gearbox I11 passes to and accompanies examination reducer casing 12, pass to planetary gearbox II13 by the worm screw output of accompanying examination reducer casing 12 again and elastic shaft II8 passes to auxiliary gearbox II7 (speed ratio 1:1), two power stream loads synchronously at auxiliary gearbox II7 and planet and converges in the shaft coupling 14 synchronously, loads.
Claims (3)
1, a kind of worm gear pair life-span blocking test platform, include by coupling assembly (4), elastic shaft I (5), elastic shaft II (8), the balance motor (2) that elastic shaft III (9) connects, auxiliary gearbox I (3), loader (6), auxiliary gearbox II (7), tested reducer casing (10), accompany examination reducer casing (12), it is characterized in that: planetary gearbox I (11) is installed at described tested reducer casing (10) and described accompanying between the examination reducer casing (12), at described examination reducer casing (12) output terminal of accompanying planetary gearbox II (13) is installed, described auxiliary gearbox II (7) is provided with planet and loads shaft coupling (14) synchronously.
2, a kind of worm gear pair life-span blocking test platform according to claim 1, it is characterized in that: described planetary gearbox I (11) is provided with two-stage planet carrier and two-stage sun gear, described two-stage planet carrier refers to input shaft planet carrier (15) and secondary planet frame (17), described two-stage sun gear is meant one-level sun gear and secondary planet frame (17) and secondary sun gear (18), input shaft planet carrier (15), be installed on the worm gear end output shaft coupling of accompanying examination reducer casing (12), join by transmission gear and one-level sun gear and secondary planet frame (17), then insert the secondary sun gear, secondary sun gear output shaft (18) links to each other with the worm screw input end of accompanying the examination reducer casing by shaft coupling.
3, a kind of worm gear pair life-span blocking test platform according to claim 1, it is characterized in that: described planet loads the synthetic synchronous device that shaft coupling is provided with the two-way transmission synchronously, one tunnel mechanism is made of input shaft planet carrier (19) gear train, and another road mechanism is made of auxiliary gearbox II (7) and multistage drive gear mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200884089U CN201242493Y (en) | 2008-05-30 | 2008-05-30 | Closed type test stand for worm-gear pair longevity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200884089U CN201242493Y (en) | 2008-05-30 | 2008-05-30 | Closed type test stand for worm-gear pair longevity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242493Y true CN201242493Y (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200884089U Expired - Lifetime CN201242493Y (en) | 2008-05-30 | 2008-05-30 | Closed type test stand for worm-gear pair longevity |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957260A (en) * | 2010-06-23 | 2011-01-26 | 国营武汉长虹机械厂 | Closed type comprehensive test device for high-power gearbox machinery |
| CN103063429A (en) * | 2011-09-29 | 2013-04-24 | 美闻达传动设备有限公司 | A test rig and a method for testing gearboxes having different gear ratios |
| CN104502098A (en) * | 2015-01-14 | 2015-04-08 | 西南交通大学 | Universal bevel gear case mechanically-closed test stand |
| CN109632296A (en) * | 2019-02-02 | 2019-04-16 | 中国汽车工程研究院股份有限公司 | Suspension type sky rail gear-box type approval test multi-function test stand |
| CN110261107A (en) * | 2019-06-24 | 2019-09-20 | 重庆邮电大学 | A kind of mechanical output closing worm and gear testing stand and its application method |
| CN110454071A (en) * | 2019-08-30 | 2019-11-15 | 北京吉时开启智能科技有限公司 | Electric rolling curtain window screen |
-
2008
- 2008-05-30 CN CNU2008200884089U patent/CN201242493Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957260A (en) * | 2010-06-23 | 2011-01-26 | 国营武汉长虹机械厂 | Closed type comprehensive test device for high-power gearbox machinery |
| CN103063429A (en) * | 2011-09-29 | 2013-04-24 | 美闻达传动设备有限公司 | A test rig and a method for testing gearboxes having different gear ratios |
| CN103063429B (en) * | 2011-09-29 | 2017-08-29 | 美闻达传动设备有限公司 | Testing equipment and method for testing the gear-box with different gear ratios |
| CN104502098A (en) * | 2015-01-14 | 2015-04-08 | 西南交通大学 | Universal bevel gear case mechanically-closed test stand |
| CN109632296A (en) * | 2019-02-02 | 2019-04-16 | 中国汽车工程研究院股份有限公司 | Suspension type sky rail gear-box type approval test multi-function test stand |
| CN109632296B (en) * | 2019-02-02 | 2024-04-30 | 中国汽车工程研究院股份有限公司 | Suspension type hollow rail gear box type test comprehensive test bed |
| CN110261107A (en) * | 2019-06-24 | 2019-09-20 | 重庆邮电大学 | A kind of mechanical output closing worm and gear testing stand and its application method |
| CN110454071A (en) * | 2019-08-30 | 2019-11-15 | 北京吉时开启智能科技有限公司 | Electric rolling curtain window screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO XINDA ELEVATOR SPARE ELEMENT FACTORY Free format text: FORMER OWNER: NINGBO XINDA TRACTOR SCIENCE CO., LTD. Effective date: 20100129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100129 Address after: Zhejiang Province, Ningbo City, Yinzhou District East Road, concentric Wuzhen, zip code: 315113 Patentee after: Ningbo Xinda Elevator Fitting Works Address before: Zhejiang Province, Ningbo City, Yinzhou District East Road, concentric Wuzhen, zip code: 315113 Patentee before: Ningbo Xinda Traction Machine Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |