CN106706319B - Cylindrical roller bearing birotor testing machine shafting structure - Google Patents
Cylindrical roller bearing birotor testing machine shafting structure Download PDFInfo
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- CN106706319B CN106706319B CN201611219839.XA CN201611219839A CN106706319B CN 106706319 B CN106706319 B CN 106706319B CN 201611219839 A CN201611219839 A CN 201611219839A CN 106706319 B CN106706319 B CN 106706319B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
A cylindrical roller bearing dual-rotor testing machine shafting structure is arranged in a bearing testing machine and comprises an inner ring rotor shaft and an outer ring rotor shaft, a testing bearing is fixedly sleeved at the testing end of the inner ring rotor shaft, the outer ring of the testing bearing is pressed in an inner hole at the testing end of the outer ring rotor shaft, and a first bearing group and a radial loading bearing are further sleeved on the inner ring rotor shaft; the outer ring rotor shaft is also sleeved with a test-accompanying bearing and a second bearing group; the test-accompanying bearing and the radial loading bearing are symmetrical about the test bearing, and the second supporting bearing group and the first supporting bearing group are symmetrical about the test bearing; the first supporting bearing group and the second supporting bearing group respectively comprise two angular contact bearings which are arranged in parallel, wherein one of the angular contact bearings close to the test bearing is a supporting bearing, the other one of the angular contact bearings is an axial loading bearing, and a spacer bush is further arranged between the supporting bearing and the axial loading bearing. The invention has scientific structure, can effectively improve the test rotating speed and has wide application range.
Description
Technical Field
The invention relates to a bearing tester shafting structure, in particular to a cylindrical roller bearing dual-rotor tester shafting structure.
Background
The bearing is a key basic part in the manufacture of various equipment, and the quality of the bearing directly determines the performance, reliability and service life of the equipment; because the working environment of the bearing is severe, the load working condition born by the bearing is complex, the bearing needs to have enough long and even the whole life cycle of the equipment is maintenance-free, and the like, the corresponding simulation working condition verification of the bearing on a testing machine is necessary in the processes of design, development, production and manufacture, reliable test data is provided for research, design, manufacture and use, and a basis is provided for the design, manufacture and use of the bearing. The research and development, design, manufacture and test technology of the high-temperature and high-speed precise inter-shaft bearing are mainly monopolized by a few foreign transnational companies, the research and development of the testing machine in China starts in the 7 and 80 years, and because of the limitation of the design, manufacture, use and the like at that time, the inner diameter and the outer diameter of the tested bearing are only limited to the middle size and the small size, the limit rotating speed is low, and the test requirements of the existing large-diameter, high-temperature and high-rotating-speed inter-shaft bearing can not be met.
Most of the existing bearing testing machines adopt a single-rotating-shaft structure, a rotating shaft is connected with an inner ring or an outer ring of a tested bearing, and the bearing testing machines can conveniently realize the simulation tests of the rotating and loading modes of the bearing. Because the test device can only be fixed with the inner ring or the outer ring, the test device can not be applied when the test bearing needs the inner ring and the outer ring to rotate simultaneously. Although there are some double-rotor testing machines capable of simultaneously rotating the inner ring and the outer ring of the bearing for testing, the testing machine can only test the bearing with small diameter and low speed, but cannot test the bearing with large diameter, high rotating speed and high oil working environment.
In a bearing test, the test rotating speed is a very important parameter, a testing machine in the prior art is limited by the structural form of a shafting design manufacturing level and a loading device, the test rotating speed can only reach about 15000rpm, and a large-sized bearing with the simultaneous rotation of an inner ring and an outer ring in work, high temperature and high speed operation cannot be tested.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the cylindrical roller bearing dual-rotor testing machine shafting structure which is scientific in structure, can effectively improve the testing rotating speed and can simultaneously test the outer ring and the inner ring.
In order to achieve the purpose, the invention adopts the specific scheme that:
a cylindrical roller bearing dual-rotor testing machine shafting structure is arranged in a bearing testing machine and comprises an inner ring rotor shaft and an outer ring rotor shaft, a testing bearing is fixedly sleeved at the testing end of the inner ring rotor shaft, the outer ring of the testing bearing is pressed in an inner hole at the testing end of the outer ring rotor shaft, a first supporting bearing group and a radial loading bearing are further sleeved on the inner ring rotor shaft, and the radial loading bearing is positioned between the first supporting bearing group and the testing bearing; the outer ring rotor shaft is also sleeved with a test-accompanying bearing and a second supporting bearing group; the test-accompanying bearing and the radial loading bearing are symmetrical relative to the test bearing, and the second supporting bearing group and the first supporting bearing group are symmetrical relative to the test bearing; the first supporting bearing group and the second supporting bearing group respectively comprise two angular contact bearings which are arranged in parallel, wherein one bearing close to the test bearing is a supporting bearing, the other bearing is an axial loading bearing, and a spacer bush is further arranged between the supporting bearing and the axial loading bearing.
A lower ring lubricating sleeve is fixedly sleeved on the testing end of the inner ring rotor shaft, the testing bearing is sleeved on the lower ring lubricating sleeve, and the inner ring of the testing bearing is axially limited and fixed through a shaft shoulder structure arranged on the outer wall of the lower ring lubricating sleeve and the short stepped sleeve; the test end of the outer ring rotor shaft is also fixedly connected with a test bearing compression ring, and the test bearing compression ring axially limits the outer ring of the test bearing.
The radial loading bearing is a cylindrical roller bearing, the inner ring of the radial loading bearing is axially limited through a shaft shoulder and a second step sleeve, and the outer ring of the radial loading bearing is fixedly connected with a radial loading bearing seat; a radial loading bearing oil distribution disc is fixedly connected to one side, far away from the test bearing, of the radial loading bearing seat, and the radial loading bearing oil distribution disc provides lubricating oil gas for the radial loading bearing and axially limits the outer ring of the radial loading bearing; the upper part of the radial loading bearing seat is also provided with a groove, and a cushion pad is arranged in the groove.
The auxiliary bearing is a cylindrical roller bearing, the inner ring of the auxiliary bearing is axially limited by a shoulder and a stepped sleeve, the outer ring of the auxiliary bearing is fixedly connected with an auxiliary bearing seat, an auxiliary bearing oil distribution disc is further arranged on the side of the auxiliary bearing, and the auxiliary bearing oil distribution disc is fixedly connected with the auxiliary bearing seat and used for providing lubricating oil for the auxiliary bearing; and the two sides of the test bearing seat are respectively provided with a pressure ring A and a pressure ring B which are fixedly connected with the testing machine body and used for axially limiting the test bearing seat.
The outer ring of the supporting bearing is fixedly connected with the angular contact bearing fixed pressure plate, and the outer ring of the axial loading bearing is fixedly connected with the angular contact bearing floating pressure plate; an oil-gas lubrication oil distribution disc of the angular contact bearing is further arranged between the two angular contact bearings, the oil-gas lubrication oil distribution disc of the angular contact bearing is fixed on the fixed pressure plate of the angular contact bearing and is provided with a bidirectional nozzle, and the bidirectional nozzle faces the supporting bearing and the axial loading bearing respectively.
One side of the angular contact bearing fixing pressure plate, which is close to the test bearing, is also fixedly connected with an angular contact bearing pressure ring, and the angular contact bearing pressure ring is fixedly connected with the testing machine body and axially limits the angular contact bearing fixing pressure plate.
A bearing ring is embedded on one side, back to the angular contact bearing fixed pressure plate, of the angular contact bearing floating pressure plate and used for bearing axial load, a plurality of pressure sensors are further arranged on one side, close to the test bearing, of the bearing ring, a guide wire hole of each pressure sensor is provided with a guide pin, and the guide pins penetrate through the inner portions of the angular contact bearing floating pressure plate and the angular contact bearing fixed pressure plate.
The angular contact bearing floating pressure plate is also sleeved with a linear bearing and a retainer.
Has the advantages that:
1. the invention adopts a combination mode of matching the support bearing with the axial loading bearing, and can realize the automatic adjustment and matching of the rigidity of the support bearing in the full working rotating speed range of the shafting by automatically adjusting the axial loading force of the support bearing along with the change of the test rotating speed;
2. by adopting the double-rotor structure, the test bearing can be subjected to the inner and outer ring unidirectional same-speed rotation test, the unidirectional different-speed rotation test, the bidirectional same-speed rotation test or the bidirectional different-speed rotation test, the test mode is flexible, and the application range is wide;
3. in the radial loading link, load is transferred through the cushion pad, so that friction in the loading process and vibration of the inner ring rotor shaft can be reduced;
4. each test-accompanying bearing adopts an oil-gas lubrication mode, the lubrication effect is good, the lubrication requirement can be still met under the condition of high-speed rotation, the used lubricating oil quantity is low, transition sleeve tools are adopted for connection between each test-accompanying bearing and the testing machine body, and only the corresponding transition sleeve tool needs to be replaced when the test-accompanying bearing is replaced, so that the testing cost is reduced;
5. the test bearing is arranged on the inner ring rotor shaft through the transition sleeve consisting of the lower annular lubricating sleeve and the stepped sleeve, and the test can be performed only by replacing the corresponding transition sleeve aiming at the bearings with different inner diameters, so that the rotor shaft is not required to be replaced, the test complexity is reduced, and the test cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is a schematic view of the support bearing assembly and the components connected thereto;
FIG. 3 is a schematic structural diagram of a test bearing, a radial loading bearing, an auxiliary bearing and parts connected with the bearings.
Reference numerals: 1. the bearing comprises an inner ring rotor shaft, 2, a first step sleeve, 3, a spacer sleeve, 4, an angular contact bearing floating pressure plate, 5, an angular contact bearing oil-gas lubrication oil distribution disc, 6, a linear bearing, 7, an angular contact bearing fixing pressure plate, 8, an angular contact bearing compression ring, 9, a guide pin, 10, a second step sleeve, 11, a radial loading bearing oil distribution disc, 12, a radial loading bearing seat, 13, a ring lower lubrication sleeve, 14, a short step sleeve, 15, a test bearing compression ring, 16, an outer ring rotor shaft, 17, a compression ring A,18, an accompanying test bearing seat, 19, a compression ring B,20, a vibration sensor support, 21, a test bearing, 22, a radial loading bearing, 23, an accompanying test bearing, 24, a cushion pad, 25, an accompanying test bearing oil distribution disc, 26 a first support bearing group, 27, a second support bearing group, 28, a pressure bearing ring, 29 and a pressure sensor.
Detailed Description
Embodiments of the present invention will be specifically described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a cylindrical roller bearing dual-rotor testing machine shafting structure is arranged in a bearing testing machine and comprises an inner ring rotor shaft 1 and an outer ring rotor shaft 16. The lower ring lubricating sleeve 13 is fixedly sleeved on the test end of the inner ring rotor shaft 1, a shaft shoulder structure is arranged on the outer wall of the lower ring lubricating sleeve 13, the test bearing 21 is sleeved on the lower ring lubricating sleeve 13, the inner ring is axially limited and fixed by the shaft shoulder structure and the short stepped sleeve 14, and the short stepped sleeve 14 is arranged on one side, close to the outer ring rotor shaft 16, of the test bearing 21. The outer ring of the test bearing 21 is pressed in an inner hole of the test end of the outer ring rotor shaft 16, the test end of the outer ring rotor shaft 16 is fixedly connected with a test bearing pressing ring 15, and the test bearing pressing ring 15 limits the outer ring of the test bearing 21 in the axial direction. The test bearing pressure ring 15 is fixed on the test end of the outer ring rotor shaft 16 by using 10M 6X 20 bolts and spring washers which are uniformly distributed along the circumferential direction. The transition sleeve composed of the under-ring lubricating sleeve 13 and the short step sleeve 14 can be tested by only replacing the corresponding transition sleeve to match the inner diameter of the test bearing 21 for test bearings 21 of different models, a rotor shaft does not need to be replaced, and the test cost can be saved conveniently and quickly.
The inner ring rotor shaft 1 is further sleeved with a first support bearing group 26 and a radial loading bearing 22, and the radial loading bearing 22 is positioned between the first support bearing group 26 and the test bearing 21; the outer ring rotor shaft 16 is also sleeved with an auxiliary bearing 23 and a second supporting bearing group 27; the test bearing 23 and the radial load bearing 22 are symmetrical about the test bearing 21, and the second support bearing set 27 and the first support bearing set 26 are symmetrical about the test bearing 21.
The radial loading bearing 22 is a cylindrical roller bearing, the inner ring of the radial loading bearing is axially limited by a shaft shoulder arranged on the inner ring rotor shaft 1 and the second stepped sleeve 10, and the second stepped sleeve 10 is arranged on one side of the radial loading bearing 22 close to the first support bearing group 26. The outer ring of the radial loading bearing 22 is pressed in an inner hole of the radial loading bearing seat 12, one side of the radial loading bearing seat 12 close to the first support bearing group 26 is fixedly connected with a radial loading bearing oil distribution disc 11, the connection mode is that 10M 8 bolts and 30 bolts and spring washers are adopted for fixing, the radial loading bearing oil distribution disc 11 is used for providing lubricating oil gas for the radial loading bearing 22 and limiting the outer ring of the radial loading bearing 22 in the axial direction, the lubricating mode adopts oil gas lubrication, the lubricating effect can be improved, the friction heating of the radial loading bearing 22 is reduced, the high-speed rotary motion precision of a shaft system is effectively improved, and the service life of a testing machine is prolonged. The left end of the radial loading bearing oil distribution disc 11 is provided with a plurality of oil inlet holes, each oil inlet hole is communicated with an oil duct which is arranged inside the oil distribution disc along the radial direction, the other end of the oil duct is communicated with an oil nozzle, and the oil nozzle sprays lubricating oil gas to the radial loading bearing 22. The multiple-in and multiple-out oil-gas path design not only can enable each nozzle to spray lubricating oil gas with equal pressure, but also can enable the lubricating oil gas to uniformly act on the radial loading bearing 22. The upper part of the radial loading bearing seat 12 is also provided with a buffer pad 24, and when a test is carried out, a radial loading device is arranged above the radial loading bearing seat 12, loads are applied to the buffer pad 24 by the radial loading device, and then are applied to the test bearing 21 through the radial loading bearing seat 12, the radial loading bearing 22 and the inner ring rotor shaft 1 in sequence. Through setting up blotter 24, make radial loading process have the wear-resisting link of shock attenuation, can prevent to make the collection, the measurement of loading force signal produce the error because of the vibration, also effectively avoided the influence of the vibration outside the shafting to the shafting simultaneously.
Accompany examination bearing 23 is cylindrical roller bearing, and its inner circle is spacing through ladder cover axial, and the outer lane then with accompany examination bearing frame 18 fixed connection, still is provided with in the side of accompanying examination bearing 23 and accompanies examination bearing and join in marriage food tray 25, accompany examination bearing and join in marriage food tray 25 and accompany examination bearing frame 18 fixed connection for provide lubricated oil gas to accompanying examination bearing 23. In order to accompany the 18 axial spacing of examination bearing frame, set up first gland on accompany examination bearing upper portion, first gland is fixed on the testing machine organism, is provided with clamping ring A17 and clamping ring B19 respectively at the both ends of accompanying and examining the 18 left and right sides of bearing frame, and clamping ring A17 and clamping ring B19 are fixed with first gland respectively and testing machine organism fixed connection, will accompany examination bearing frame 18 axial spacing, and the connected mode is fixed for through 6M 10 & 20 bolts and spring washer. If the test bearing 23 of accompanying of different models needs to be changed, only need to change and accompany the transition cover frock that the examination bearing frame 18 and the bearing of accompanying and trying on join in marriage the food tray 25 and constitute and can test, need not to make the change to the overall fixed knot structure of testing machine, can satisfy the experimental operating mode of multiple difference.
The first support bearing set 26 and the second support bearing set 27 each include two angular contact bearings arranged in parallel, one of the angular contact bearings close to the test bearing 21 is a support bearing, the other one is an axial loading bearing, and a spacer 3 is further arranged between the support bearing and the axial loading bearing. The outer ring of the supporting bearing is fixedly connected with the angular contact bearing fixed pressure plate 7 through 32M 8 bolts and 20 spring washers, and the outer ring of the axial loading bearing is fixedly connected with the angular contact bearing floating pressure plate 4 through 32M 8 bolts and 20 spring washers. An oil-gas lubrication oil distribution disc 5 of a bidirectional nozzle is further arranged between the two angular contact bearings, the oil-gas lubrication oil distribution disc 5 of the angular contact bearings is fixed on a fixed pressure plate 7 of the angular contact bearings, and the bidirectional nozzle sprays lubrication oil-gas to raceways of the support bearing and the axial loading bearing respectively. And a second gland is also arranged on the upper parts of the angular contact bearing fixed pressure plate 7 and the angular contact bearing floating pressure plate 4 and is fixedly connected with the testing machine body. An angular contact bearing pressing ring 8 is further arranged at the right end of the second pressing cover, the angular contact bearing pressing ring 8 is fixedly connected with the second pressing cover, the testing machine and the body through 18M 8 bolts and 20 spring washers, and therefore one side of the angular contact bearing fixing pressing plate 7, which is close to the outer ring rotor shaft 16, is axially limited. The floating pressure plate 4 of the angular contact bearing is in sliding connection with the second gland through the linear bearing 6 and the retainer thereof, so that the friction between the floating pressure plate 4 of the angular contact bearing and the second gland is reduced, and the integral rigidity is improved. Because the cylindrical roller bearing does not bear axial load during operation, when the test is carried out, the angular contact bearing fixing pressure plate 7 needs to be axially limited, so that the supporting bearing is ensured not to deviate in the axial direction, and the inner ring and the outer ring of the test bearing 21 are prevented from being separated due to the fact that the rotor shaft moves axially under the action of the supporting bearing.
A bearing ring 28 is embedded in one side of the angular contact bearing floating pressure plate 4, which is back to the angular contact bearing fixed pressure plate 7, an axial loading device is arranged on the outer side of the bearing ring 28, outputs an axial load and applies the axial load to the bearing ring 28, and then applies the load to the support bearing sequentially through the angular contact bearing floating pressure plate 4, the axial loading bearing and the spacer 3. Compared with the traditional supporting mode adopting a single bearing, the loading force can be flexibly adjusted according to the rotating speed, so that the rigidity of the supporting bearing can be automatically adjusted along with the rotation, and the aim of improving the test rotating speed is fulfilled. And a plurality of pressure sensors 29 are further arranged on the side of the pressure-bearing ring 28 away from the test bearing 21, during test, the number of the pressure sensors 29 is preferably 3, and the sum of pressure values measured by each pressure sensor 29 is the axial load output by the axial loading device. The guide wire hole of each pressure sensor 29 is provided with a guide pin 9 with a hollow structure, the guide pin 9 is arranged inside the angular contact bearing fixed pressure plate 7 in a penetrating mode, one end of the guide pin 9 is fixed in the angular contact bearing floating pressure plate 4 through threads, and the guide pin 9 is used for guiding and installing the angular contact bearing floating pressure plate 4 and the angular contact bearing fixed pressure plate 7 and is used for leading out a guide wire of the pressure sensor 29.
Claims (8)
1. The utility model provides a cylindrical roller bearing birotor testing machine shafting structure, sets up inside the bearing testing machine, including inner circle rotor shaft (1) and outer lane rotor shaft (16), fixed cover of experimental bearing (21) is established at the experimental end of inner circle rotor shaft (1), and its characterized in that is established in the hole of outer lane rotor shaft (16) experimental end to its outer lane pressure:
the inner ring rotor shaft (1) is further sleeved with a first supporting bearing group (26) and a radial loading bearing (22), and the radial loading bearing (22) is located between the first supporting bearing group (26) and the test bearing (21); the outer ring rotor shaft (16) is also sleeved with a test-accompanying bearing (23) and a second supporting bearing group (27); the test-accompanying bearing (23) and the radial loading bearing (22) are symmetrical about the test bearing (21), and the second supporting bearing group (27) and the first supporting bearing group (26) are symmetrical about the test bearing (21);
the first supporting bearing group (26) and the second supporting bearing group (27) respectively comprise two angular contact bearings which are arranged in parallel, wherein one of the two angular contact bearings close to the test bearing (21) is a supporting bearing, the other one of the two angular contact bearings is an axial loading bearing, and a spacer bush (3) is arranged between the supporting bearing and the axial loading bearing.
2. The cylindrical roller bearing dual-rotor testing machine shafting structure of claim 1, wherein: a lower annular lubricating sleeve (13) is fixedly sleeved on the test end of the inner ring rotor shaft (1), the test bearing (21) is sleeved on the lower annular lubricating sleeve (13), and the inner ring of the test bearing is axially limited and fixed through a shaft shoulder structure arranged on the outer wall of the lower annular lubricating sleeve (13) and the short stepped sleeve (14); the test end of outer lane rotor shaft (16) still fixedly connected with test bearing clamping ring (15), test bearing clamping ring (15) is spacing with the outer lane axial of test bearing (21).
3. The cylindrical roller bearing double-rotor testing machine shafting structure of claim 1, wherein: the radial loading bearing (22) is a cylindrical roller bearing, the inner ring of the radial loading bearing is axially limited by a shaft shoulder and a second step sleeve (10), and the outer ring of the radial loading bearing is fixedly connected with a radial loading bearing seat (12); a radial loading bearing oil distribution disc (11) is fixedly connected to one side, far away from the test bearing (21), of the radial loading bearing seat (12), and the radial loading bearing oil distribution disc (11) provides lubricating oil gas for the radial loading bearing (22) and axially limits the outer ring of the radial loading bearing (22); the upper part of the radial loading bearing seat (12) is also provided with a groove, and a cushion pad (24) is arranged in the groove.
4. The cylindrical roller bearing double-rotor testing machine shafting structure of claim 1, wherein: the auxiliary bearing (23) is a cylindrical roller bearing, the inner ring of the auxiliary bearing is axially limited by a shaft shoulder and a stepped sleeve, the outer ring of the auxiliary bearing is fixedly connected with an auxiliary bearing seat (18), an auxiliary bearing oil distribution disc (25) is further arranged on the side of the auxiliary bearing (23), the auxiliary bearing oil distribution disc (25) is fixedly connected with the auxiliary bearing seat (18) and is used for providing lubricating oil gas for the auxiliary bearing (23); and the two sides of the test bearing seat (18) are respectively provided with a pressure ring A (17) and a pressure ring B (19), and the pressure rings A (17) and the pressure rings B (19) are fixedly connected with the testing machine body and used for axially limiting the test bearing seat (18).
5. The cylindrical roller bearing double-rotor testing machine shafting structure of claim 1, wherein: the outer ring of the supporting bearing is fixedly connected with an angular contact bearing fixed pressure plate (7), and the outer ring of the axial loading bearing is fixedly connected with an angular contact bearing floating pressure plate (4); an oil-gas lubrication oil distribution disc (5) of the angular contact bearing is further arranged between the two angular contact bearings, the oil-gas lubrication oil distribution disc (5) of the angular contact bearing is fixed on a fixed pressure plate (7) of the angular contact bearing and is provided with a bidirectional nozzle, and the bidirectional nozzle faces the supporting bearing and the axial loading bearing respectively.
6. The cylindrical roller bearing double-rotor testing machine shafting structure of claim 5, wherein: one side of the angular contact bearing fixing pressure plate (7) close to the test bearing (21) is also fixedly connected with an angular contact bearing pressure ring (8), and the angular contact bearing pressure ring (8) is fixedly connected with the testing machine body and axially limits the angular contact bearing fixing pressure plate (7).
7. The cylindrical roller bearing dual-rotor testing machine shafting structure of claim 5, wherein: one side of the angular contact bearing floating pressure plate (4) back to the angular contact bearing fixed pressure plate (7) is embedded with a bearing ring (28) for bearing axial load, one side of the bearing ring (28) close to the test bearing (21) is also provided with a plurality of pressure sensors (29), a guide wire hole of each pressure sensor (29) is provided with a guide pin (9), and the guide pins (9) are arranged in the angular contact bearing floating pressure plate (4) and the angular contact bearing fixed pressure plate (7) in a penetrating manner.
8. The cylindrical roller bearing double-rotor testing machine shafting structure of claim 5, wherein: the angular contact bearing floating pressure plate (4) is also sleeved with a linear bearing (6) and a retainer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611219839.XA CN106706319B (en) | 2016-12-26 | 2016-12-26 | Cylindrical roller bearing birotor testing machine shafting structure |
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| CN201611219839.XA CN106706319B (en) | 2016-12-26 | 2016-12-26 | Cylindrical roller bearing birotor testing machine shafting structure |
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| CN106706319A CN106706319A (en) | 2017-05-24 |
| CN106706319B true CN106706319B (en) | 2023-03-14 |
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| CN201611219839.XA Active CN106706319B (en) | 2016-12-26 | 2016-12-26 | Cylindrical roller bearing birotor testing machine shafting structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106989925A (en) * | 2017-06-02 | 2017-07-28 | 中国航发湖南动力机械研究所 | Aero-engine high-speed bearing tests radial loading device |
| CN110319983A (en) * | 2019-07-11 | 2019-10-11 | 中国航发哈尔滨东安发动机有限公司 | A kind of pipeline inlet and outlet hole wall leak check tooling |
| CN114166490B (en) * | 2021-11-23 | 2023-05-23 | 中国直升机设计研究所 | Centrifugal force separation type loading test device for main rotor center piece of rigid rotor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09264816A (en) * | 1996-03-29 | 1997-10-07 | Nippon Seiko Kk | Bearing test device |
| CN201251507Y (en) * | 2008-09-01 | 2009-06-03 | 洛阳工铭机电设备有限公司 | Cantilever supporting mechanism and axial and radial loading mechanism of automobile wheel boss bearing testing machine |
| CN201265634Y (en) * | 2008-08-30 | 2009-07-01 | 中国北车集团大连机车研究所有限公司 | Bearing support of coupler gearbox for oil field |
| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
-
2016
- 2016-12-26 CN CN201611219839.XA patent/CN106706319B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09264816A (en) * | 1996-03-29 | 1997-10-07 | Nippon Seiko Kk | Bearing test device |
| CN201265634Y (en) * | 2008-08-30 | 2009-07-01 | 中国北车集团大连机车研究所有限公司 | Bearing support of coupler gearbox for oil field |
| CN201251507Y (en) * | 2008-09-01 | 2009-06-03 | 洛阳工铭机电设备有限公司 | Cantilever supporting mechanism and axial and radial loading mechanism of automobile wheel boss bearing testing machine |
| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
Non-Patent Citations (1)
| Title |
|---|
| 双转子轴系五主轴轴承试验机主体结构设计与计算;王红霞等;《洛阳工业高等专科学校学报》;20071215;第17卷(第06期);全文 * |
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