CN102494886B - Shaft insertion device for back-to-back testing of high-power planetary gear boxes - Google Patents
Shaft insertion device for back-to-back testing of high-power planetary gear boxes Download PDFInfo
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- CN102494886B CN102494886B CN 201110371776 CN201110371776A CN102494886B CN 102494886 B CN102494886 B CN 102494886B CN 201110371776 CN201110371776 CN 201110371776 CN 201110371776 A CN201110371776 A CN 201110371776A CN 102494886 B CN102494886 B CN 102494886B
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Abstract
The invention discloses a shaft insertion device for the back-to-back testing of high-power planetary gear boxes, relates to a shaft insertion device for the back-to-back testing and aims to solve the problems of poor adaptability, high power of a power source and high manufacturing cost of a testing apparatus when an open testing apparatus is adopted to carry out performance testing on a high-power planetary gear. The shaft insertion device comprises a first connecting shaft, a second connecting shaft, a third connecting shaft, a gear coupling and a loader. The first connecting shaft is rotationally connected with the loader. The first connecting shaft is rotationally connected with the second connecting shaft. The second connecting shaft is rotationally connected with the third connecting shaft. The third connecting shaft is rotationally connected with a tested planetary gear box. The loader is rotationally connected with an assistant planetary gear box. The gear coupling is respectively fixedly connected with the assistant planetary gear box and the tested planetary gear box. The assistant planetary gear box and the tested planetary gear box are rotationally connected with the gear coupling. The shaft insertion device is used for the back-to-back testing of the planetary gear boxes.
Description
Technical field
The present invention relates to a kind of back-to-back testing with wearing shaft device.
Background technology
From the method for testing gear case, according to the difference of its driving and load mode, open test and type closed power flow test are arranged.Open test is in series by power source (motor), test gear case, load device and measuring system; because the power of the required power source of open test, power consuming apparatus need to be identical with the power of test gear case; when testing power up to several ten thousand kilowatt hours; the power of power source, power consuming apparatus is also wanted several ten thousand kilowatts; the expense of testing table, scale can be multiplied thereupon, therefore this test method is only suitable for the load test of no load test or miniature gear gearing.Type closed power flow test be by two gear casees back-to-back (output terminal and output terminal, input end and input end) couple together, form closed state, and the upper charger of series connection, can be loaded to the test gear case this test method common name back-to-back testing; Epicyclic gearbox, owing to input being arranged, export coaxial design feature, can simplify the structure of circulating power by torsion shaft through two gear case inside more, is applicable to carrying out back-to-back testing.As the international esbablished corporations such as German RENK company, Britain Allan company, Japanese Kawasaki heavy industry company all carry out the full load test to the epicyclic gearbox of its research and production, and the First epicyclic gearbox of all size development all must be through test run at full capacity.
At present, the experimental study of China aspect the powerful planetary gears transmission seldom, and from the evolution of external large planetary speed reduction unit peculiar to vessel, the design of any type of planetary transmission and development, very strong to the back-to-back testing dependence, the performance of planetary transmission will finally be determined by back-to-back testing usually.Therefore, creating the test condition that possesses back-to-back testing is the key that breaks through the high-power planetary gearbox design.
Summary of the invention
Order of the present invention is to adopt open test unit for solving, performance test for high-power planetary driving device, there are bad adaptability, power source power is higher and the test unit manufacturing cost is higher problem, and then provide a kind of high-power planetary gearbox back-to-back testing with wearing shaft device.
The present invention addresses the above problem the technical scheme of taking to be: a kind of high-power planetary gearbox back-to-back testing of the present invention comprises the first coupling shaft with wearing shaft device, the second coupling shaft, the 3rd coupling shaft, gear coupling and loader, one end of the first coupling shaft and the input end of loader are rotationally connected, one end of the other end of the first coupling shaft and the second coupling shaft is rotationally connected, one end of the other end of the second coupling shaft and the 3rd coupling shaft is rotationally connected, the other end of the 3rd coupling shaft is rotationally connected with the input end of test epicyclic gearbox, the output terminal of loader is rotationally connected with the input end of accompanying tentative star gear case, described gear coupling is fixedly connected with the output terminal of test epicyclic gearbox with the output terminal of accompanying tentative star gear case respectively, accompany the output terminal of tentative star gear case to be rotationally connected by gear coupling with the output terminal of test epicyclic gearbox.
The invention has the beneficial effects as follows: reasonable in design of the present invention, not only be applicable to the load test of no load test or miniature gear gearing, and be more suitable for the test of powerful planetary gears gearing, adaptability is good, test epicyclic gearbox output terminal of the present invention is connected with gear coupling with accompanying between tentative star gear case output terminal, make to test epicyclic gearbox and accompany tentative star gear case to form the system of power sealing, adopt of the present invention when wearing shaft device and carrying out the high-power planetary gearbox back-to-back testing, test gear case enclose inside power can reach full power, and the power source power that drives them only need to overcome the frictional power loss of gear case closed system, power source power is obviously very little, and, the test unit of the more open method of the present invention has saved the sealing external gear pump case of two Same Efficieneys, the whole manufacturing cost of testing table reduces, testing table takes up room little, construction scale is less.Adopt the full load full rate performance test of shaft device for planetary transmission of wearing of the present invention, the functional reliability of planetary transmission is good, vibration noise during operation is all right, meet designing requirement, the present invention has created advantage for the development and Design that breaks through high-power planetary gearbox.
The accompanying drawing explanation
Fig. 1 is one-piece construction front view of the present invention.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, a kind of high-power planetary gearbox back-to-back testing of present embodiment comprises the first coupling shaft 1 with wearing shaft device, the second coupling shaft 3, the 3rd coupling shaft 6, gear coupling 4 and loader 14, one end of the first coupling shaft 1 and the input end 14-1 of loader 14 are rotationally connected, one end of the other end of the first coupling shaft 1 and the second coupling shaft 3 is rotationally connected, one end of the other end of the second coupling shaft 3 and the 3rd coupling shaft 6 is rotationally connected, the other end of the 3rd coupling shaft 6 is rotationally connected with the input end 16-1 of test epicyclic gearbox 16, the output terminal 14-2 of loader 14 and the input end 15-1 that accompanies tentative star gear case 15 are rotationally connected, described gear coupling 4 is fixedly connected with the output terminal 16-2 of test epicyclic gearbox 16 with the output terminal 15-2 that accompanies tentative star gear case 15 respectively, accompany the output terminal 15-2 of tentative star gear case 15 to be rotationally connected by gear coupling 4 with the output terminal 16-2 of test epicyclic gearbox 16.
Embodiment two: in conjunction with Fig. 1, present embodiment is described, the input end of the first coupling shaft 1 of present embodiment is processed with male splines, and the input end 14-1 of loader 14 is processed with female spline, and the first coupling shaft 1 is rotationally connected by spline with loader 14.So arrange, easy installation and removal, connect efficient.Other is identical with embodiment one.
Embodiment three: in conjunction with Fig. 1, present embodiment is described, the output terminal of the first coupling shaft 1 of present embodiment is processed with male splines, and the input end of the second coupling shaft 3 is processed with female spline, and the first coupling shaft 1 and the second coupling shaft 3 are rotationally connected by spline.So arrange, easy installation and removal, connect efficiently, meets design requirement.Other is identical with embodiment one or two.
Embodiment four: in conjunction with Fig. 1, present embodiment is described, the shaft device of wearing of present embodiment also comprises that the output terminal of the first flange 7, the second coupling shafts 3 and the input end of the 3rd coupling shaft 6 are rotationally connected by the first flange 7.So arrange, easy installation and removal, connect reliably, meets design requirement.Other is identical with embodiment one.
Embodiment five: present embodiment is described in conjunction with Fig. 1, the output terminal of the 3rd coupling shaft 6 of present embodiment is processed with female spline, the input end 16-1 of test epicyclic gearbox 16 is processed with male splines, and the 3rd coupling shaft 6 is rotationally connected by spline with test epicyclic gearbox 16.So arrange, easy installation and removal, connect reliably, meets design requirement.Other is identical with embodiment one.
Embodiment six: in conjunction with Fig. 1, present embodiment is described, the shaft device of wearing of present embodiment also comprises the second flange 5, and the output terminal 14-2 of loader 14 and the input end 15-1 that accompanies tentative star gear case 15 are rotationally connected by the second flange 5.So arrange, easy installation and removal, connect reliably, meets design requirement.Other is identical with embodiment one.
Embodiment seven: present embodiment is described in conjunction with Fig. 1, the shaft device of wearing of present embodiment also comprises the first spring bearing 9, the second spring bearing 10, the 3rd spring bearing 12 and the 4th spring bearing 13, described the first coupling shaft 1 supports by the 3rd spring bearing 12 and the 4th spring bearing 13 be arranged in the input end 15-1 that accompanies tentative star gear case 15, the second coupling shaft 3 supports by the second spring bearing 10 be arranged in the output terminal 15-2 that accompanies tentative star gear case 15, the 3rd coupling shaft 6 supports by the first spring bearing 9 in the output terminal 16-2 that is arranged on test epicyclic gearbox 16.So arrange, test run is reliable and stable, meets design requirement.Other is identical with embodiment one.
The course of work
When carrying out the high-power planetary gearbox back-to-back testing, motor drives test epicyclic gearbox input end 16-1, drive successively the 3rd coupling shaft 6, the second coupling shaft 3, the first coupling shaft 1, loader 14, accompany the input end 15-1 of tentative star gear case 15, accompany tentative star gear case output terminal 15-2, gear coupling 4, test epicyclic gearbox output terminal 16-2 rotates, accompany tentative star gear case 15 and test epicyclic gearbox 16 to form the system of power sealing, improve constantly the motor input speed until reach the required rotating speed of test epicyclic gearbox 16, then loader 14 starts to apply moment of torsion, realize the transmission of moment of torsion closed circulation until reach required torque.
When finishing the high-power planetary gearbox back-to-back testing, at first loader 14 is reduced to zero gradually from peak torque, then motor speed is reduced to gradually to zero.
Claims (7)
1. a high-power planetary gearbox back-to-back testing is with wearing shaft device, it is characterized in that: it comprises the first coupling shaft (1), the second coupling shaft (3), the 3rd coupling shaft (6), gear coupling (4) and loader (14), the input end (14-1) of one end of the first coupling shaft (1) and loader (14) is rotationally connected, one end of the other end of the first coupling shaft (1) and the second coupling shaft (3) is rotationally connected, one end of the other end of the second coupling shaft (3) and the 3rd coupling shaft (6) is rotationally connected, the other end of the 3rd coupling shaft (6) is rotationally connected with the input end (16-1) of test epicyclic gearbox (16), the output terminal (14-2) of loader (14) is rotationally connected with the input end (15-1) of accompanying tentative star gear case (15), described gear coupling (4) is fixedly connected with the output terminal (16-2) of test epicyclic gearbox (16) with the output terminal (15-2) of accompanying tentative star gear case (15) respectively, accompany the output terminal (15-2) of tentative star gear case (15) to be rotationally connected by gear coupling (4) with the output terminal (16-2) of test epicyclic gearbox (16).
2. a kind of high-power planetary gearbox back-to-back testing according to claim 1 is with wearing shaft device, it is characterized in that: the input end of the first coupling shaft (1) is processed with male splines, the input end (14-1) of loader (14) is processed with female spline, and the first coupling shaft (1) is rotationally connected by spline with loader (14).
3. a kind of high-power planetary gearbox back-to-back testing according to claim 1 and 2 is with wearing shaft device, it is characterized in that: the output terminal of the first coupling shaft (1) is processed with male splines, the input end of the second coupling shaft (3) is processed with female spline, and the first coupling shaft (1) is rotationally connected by spline with the second coupling shaft (3).
4. a kind of high-power planetary gearbox back-to-back testing according to claim 1 is with wearing shaft device, it is characterized in that: this is worn shaft device and also comprises the first flange (7), and the input end of the output terminal of the second coupling shaft (3) and the 3rd coupling shaft (6) is rotationally connected by the first flange (7).
5. a kind of high-power planetary gearbox back-to-back testing according to claim 1 is with wearing shaft device, it is characterized in that: the output terminal of the 3rd coupling shaft (6) is processed with female spline, the input end (16-1) of test epicyclic gearbox (16) is processed with male splines, and the 3rd coupling shaft (6) is rotationally connected by spline with test epicyclic gearbox (16).
6. a kind of high-power planetary gearbox back-to-back testing according to claim 1 is with wearing shaft device, it is characterized in that: this is worn shaft device and also comprises the second flange (5), and the output terminal (14-2) of loader (14) is rotationally connected by the second flange (5) with the input end (15-1) of accompanying tentative star gear case (15).
7. a kind of high-power planetary gearbox back-to-back testing according to claim 1 is with wearing shaft device, it is characterized in that: this is worn shaft device and also comprises the first spring bearing (9), the second spring bearing (10), the 3rd spring bearing (12) and the 4th spring bearing (13), described the first coupling shaft (1) supports by the 3rd spring bearing (12) and the 4th spring bearing (13) be arranged in the input end (15-1) of accompanying tentative star gear case (15), the second coupling shaft (3) supports by the second spring bearing (10) be arranged in the output terminal (15-2) of accompanying tentative star gear case (15), the 3rd coupling shaft (6) supports by the first spring bearing (9) in the output terminal (16-2) that is arranged on test epicyclic gearbox (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110371776 CN102494886B (en) | 2011-11-21 | 2011-11-21 | Shaft insertion device for back-to-back testing of high-power planetary gear boxes |
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| CN 201110371776 CN102494886B (en) | 2011-11-21 | 2011-11-21 | Shaft insertion device for back-to-back testing of high-power planetary gear boxes |
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| CN102494886A CN102494886A (en) | 2012-06-13 |
| CN102494886B true CN102494886B (en) | 2013-12-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512748B (en) * | 2012-06-30 | 2015-12-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Same testing table carries out gear case the method for attachment of load test back-to-back |
| CN102829966B (en) * | 2012-08-25 | 2015-11-11 | 梁建军 | Machine loader |
| CN110487539A (en) * | 2019-07-31 | 2019-11-22 | 中国船舶重工集团公司第七0三研究所 | The heavily loaded ipsilateral load coupling method of Gear Planet Transmission Tester with Mechanical closed Power formula |
| CN110307970B (en) * | 2019-07-31 | 2024-06-11 | 中国船舶重工集团公司第七0三研究所 | Coaxial same-side loading device |
| CN116399583B (en) * | 2023-06-07 | 2023-10-17 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | High-power heavy-load planetary gear back-to-back test bed |
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| US20040069053A1 (en) * | 2002-10-11 | 2004-04-15 | Kurecka Donald Joseph | Torsional actuation NVH test method |
| CN201757732U (en) * | 2010-06-23 | 2011-03-09 | 国营武汉长虹机械厂 | High-power gear fatigue strength test device |
| CN201819801U (en) * | 2010-07-30 | 2011-05-04 | 洛阳Lyc轴承有限公司 | Large-load carrier bearing testing transmission mechanism |
| CN202330012U (en) * | 2011-11-21 | 2012-07-11 | 中国船舶重工集团公司第七�三研究所 | Shaft passing device for back-to-back tests of high-power planetary gearbox |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002365167A (en) * | 2001-06-08 | 2002-12-18 | Hitachi Plant Eng & Constr Co Ltd | Cardan gear inspection device |
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| US20040069053A1 (en) * | 2002-10-11 | 2004-04-15 | Kurecka Donald Joseph | Torsional actuation NVH test method |
| CN201757732U (en) * | 2010-06-23 | 2011-03-09 | 国营武汉长虹机械厂 | High-power gear fatigue strength test device |
| CN201819801U (en) * | 2010-07-30 | 2011-05-04 | 洛阳Lyc轴承有限公司 | Large-load carrier bearing testing transmission mechanism |
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Effective date of registration: 20150929 Address after: 150000 No. 35, Honghu Road, Yingbin Road, Harbin hi tech Development Zone, Heilongjiang, China Patentee after: Harbin broad power technology development Co., Ltd. Address before: 150036 Hongqi Street, Xiangfang District, Heilongjiang, China, No. 108, No. Patentee before: No.703 Inst. China Ship Heavy Industry Group Co. |