CN203178072U - Joint bearing bidirectional loading test machine - Google Patents
Joint bearing bidirectional loading test machine Download PDFInfo
- Publication number
- CN203178072U CN203178072U CN 201320068533 CN201320068533U CN203178072U CN 203178072 U CN203178072 U CN 203178072U CN 201320068533 CN201320068533 CN 201320068533 CN 201320068533 U CN201320068533 U CN 201320068533U CN 203178072 U CN203178072 U CN 203178072U
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- bearing
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Abstract
The utility model discloses a mechanical device, and specifically relates to a bidirectional loading test machine used for testing a joint bearing. According to the utility model, a test cavity is fixedly connected with a workbench; a test shaft is connected with a coupling and a torque sensor through a transmission shaft; the other end of the torque sensor is connected with a speed reducer; the speed reducer is fixed connected with a servo driving motor into an integral whole; a middle load body is fixedly connected with a loading head through a screw; the other end of the loading head is fixedly connected with a pressure sensor; the other end of the pressure sensor is fixedly connected with a piston rod of a loading cylinder; and the loading cylinder is fixedly connected with the test cavity through a flange. The machine provided by the utility model has the advantages of simple structure, convenient test and assembly, high precision, fast response, smooth operation, and the like.
Description
Technical field
The utility model relates to a kind of mechanical hook-up, specifically refers to a kind of testing machine for the two-way loading of test oscillating bearing.
Background technology
Domestic high-speed railway project and aircraft project are greatly developed, in the skidding of locomotive and vehicle, Vibration damping balance system with in aircraft flight control system, power system and housing construction, be extensive use of oscillating bearing, what great majority adopted in these projects at present is the import oscillating bearing, along with the support of country to independent brand, domestic oscillating bearing producer need test and measures the performance of oscillating bearing.The oscillating bearing of the reciprocally swinging of a large amount of low speed all is to work under the alternation fully loaded transportation condition, and performances such as its serviceable life and reliability are vital to total system.
The utility model content
The utility model proposes a kind of oscillating bearing swing fatigue life test that can be used for, particularly under cycling alternating load at the deficiencies in the prior art.
The utility model is achieved by following technical proposals:
The two-way loading tester of a kind of oscillating bearing, it is characterized in that the test cavity is connected with stationary table, the test axle is connected with shaft coupling, torque sensor by transmission shaft, the torque sensor other end is connected with speed reduction unit, and speed reduction unit is fixedlyed connected with servo drive motor and is integral; Middle carrier compound is fixedlyed connected with loading head by screw, and the loading head other end is fixedlyed connected with pressure transducer, and the pressure transducer other end is fixedlyed connected with the piston rod that loads cylinder, loads cylinder and fixedlys connected with the test cavity by flange.
As preferably, clearance fit between the loading head in the two-way loading tester of above-mentioned a kind of oscillating bearing and the test cavity, clearance fit between transmission shaft and the test cavity, angular transducer is fixedlyed connected with testing between the cavity.
As preferably, in the two-way loading tester of above-mentioned a kind of oscillating bearing, at the test axle test bearing and spring bearing are installed, and lock with double nut at two ends, at two spring bearings end load body and lining are installed, assigned temperature sensor in middle load body opening, temperature sensor contacts with the test bearing outer ring.
In the utility model, the test cavity is connected with stationary table, test unit is positioned in the test cavity, the test axle is connected with torque sensor with shaft coupling by transmission shaft, the torque sensor other end is connected with speed reduction unit by shaft coupling, and speed reduction unit is fixedlyed connected with servo drive motor and is integral.The middle carrier compound of test bearing is fixedly connected with loading head, loading head other end heel pressure sensor is fixedly connected, the pressure transducer other end is fixedly connected with the piston rod that loads cylinder, loads cylinder and fixedlys connected with the test cavity by flange, and the other end of test axle links to each other with angular transducer.
Beneficial effect: the utility model is simple in structure, tests easy for installation; Pendulum angle can be eliminated the gap of shaft coupling and speed reduction unit to the influence of pivot angle by test shaft end control, realizes closed-loop control with servomotor, the precision height, and response speed is fast, and characteristics such as operate steadily; Monitoring test unit change in torque and temperature variation realize the diagnosis of test bearing wear-out failure; Test bearing is realized loading spectrum control.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is test unit synoptic diagram in the utility model;
Fig. 3 is test unit sectional structure chart in the utility model.
1, worktable 2, test cavity 3, angular transducer 4, test unit 5, loading head 6, transmission shaft 7, shaft coupling 8, torque sensor 9, speed reduction unit 10, servo drive motor 11, pressure transducer 12, flange 13, loading cylinder 14, piston rod 15, middle carrier compound 16, screw 17, test axle 18, end load body 19, lining 20, test bearing 21, temperature sensor 22, spring bearing 23, double nut
Embodiment
Below enforcement of the present utility model is specified:
Embodiment 1
As accompanying drawing 1, accompanying drawing 2, shown in Figure 3, the two-way loading tester of a kind of oscillating bearing, wherein testing cavity 2 fixedlys connected with worktable 1, test axle 17 is connected with shaft coupling 7, torque sensor 8 by transmission shaft 6, torque sensor 8 other ends are connected with speed reduction unit 9, and speed reduction unit 9 is fixedlyed connected with servo drive motor 10 and is integral; Middle carrier compound 15 is fixedlyed connected with loading head 5 by screw 16, loading head 5 other ends are fixedlyed connected with pressure transducer 11, pressure transducer 11 other ends are fixedlyed connected with the piston rod 14 that loads cylinder 13, load cylinder 13 and fixedly connected with test cavity 2 by flange 12; Clearance fit between the clearance fit between loading head 5 and the test cavity 2 wherein, transmission shaft 6 and test cavity 2, angular transducer 3 are fixedlyed connected with testing between the cavity 2; At test axle 17 test bearing 20 and spring bearing 22 are installed, and lock with double nut 23 at two ends, at two spring bearings 22 end load body 18 and lining 19 are installed, have assigned temperature sensor 21 in middle carrier compound 15 holes, temperature sensor 21 contacts with test bearing 20 outer rings.
In the present embodiment, test unit 4 is positioned in the test cavity 2, and test axle 17 is connected with torque sensor 8 with shaft coupling 7 by transmission shaft 6, and torque sensor 8 other ends are connected with speed reduction unit 9, and speed reduction unit 9 is fixedlyed connected with servo drive motor 10 and is integral.The middle carrier compound 15 of test bearing is fixedly connected with loading head 5 by screw 16, loading head 5 other end heel pressure sensors 11 are fixedly connected, pressure transducer 11 other ends are fixedly connected with the piston rod 14 that loads cylinder 13, load cylinder 13 and fixedly connected with test cavity 2 by flange 12, the other end of test axle 17 links to each other with angular transducer 3; With double nut 23 lockings, then end load body 18 and the lining 19 that assembles is installed on two spring bearings 22, during being inserted into, temperature sensor 22 in carrier compound 15 holes, contacts with test bearing 20 outer rings.
In this enforcement, test axle 17 is realized convenient the connection by the square heart with transmission shaft 6; Test unit 4 can be suitable for test bearing 20 and the spring bearing 22 of different size by end load body 18 and lining 19 structures, and interchangeability is strong; Test bearing 20 inner rings directly contact with spring bearing 22 inner ring end faces, reduce the distance between the two, and the bending degree of disturbing that has reduced test axle 17 to greatest extent changes; Adopt double nut 23 structures, locking test bearing 20 inner rings; Can conveniently realize regularly giving manually or automatically the oscillating bearing greasing by test axle 20 internal lubrication fat pipeline A.
Claims (3)
1. two-way loading tester of oscillating bearing, it is characterized in that, test cavity (2) is fixedlyed connected with worktable (1), test axle (17) is connected with shaft coupling (7), torque sensor (8) by transmission shaft (6), torque sensor (8) other end is connected with speed reduction unit (9), and speed reduction unit (9) is fixedlyed connected with servo drive motor (10) and is integral; Middle carrier compound (15) is fixedlyed connected with loading head (5) by screw (16), loading head (5) other end is fixedlyed connected with pressure transducer (11), pressure transducer (11) other end is fixedlyed connected with the piston rod (14) that loads cylinder (13), loads cylinder (13) and fixedlys connected with test cavity (2) by flange (12).
2. the two-way loading tester of a kind of oscillating bearing according to claim 1, it is characterized in that, clearance fit between loading head (5) and the test cavity (2), clearance fit between transmission shaft (6) and test cavity (2), angular transducer (3) are fixedlyed connected with testing between the cavity (2).
3. the two-way loading tester of a kind of oscillating bearing according to claim 1, it is characterized in that at test axle (17) test bearing (20) and spring bearing (22) being installed, and lock with double nut (23) at two ends, at two spring bearings (22) end load body (18) and lining (19) are installed, assigned temperature sensor (21) in middle carrier compound (15) hole, temperature sensor (21) contacts with test bearing (20) outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068533 CN203178072U (en) | 2013-02-06 | 2013-02-06 | Joint bearing bidirectional loading test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068533 CN203178072U (en) | 2013-02-06 | 2013-02-06 | Joint bearing bidirectional loading test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178072U true CN203178072U (en) | 2013-09-04 |
Family
ID=49074754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320068533 Expired - Fee Related CN203178072U (en) | 2013-02-06 | 2013-02-06 | Joint bearing bidirectional loading test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178072U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162962A (en) * | 2013-02-06 | 2013-06-19 | 杭州轴承试验研究中心有限公司 | Bi-directional loading testing machine of knuckle bearing |
| CN103604606A (en) * | 2013-12-03 | 2014-02-26 | 上海应用技术学院 | Sliding bearing testing machine |
| CN105527102A (en) * | 2015-12-29 | 2016-04-27 | 瓦房店轴承集团有限责任公司 | Joint bearing swinging life tester |
| CN107560852A (en) * | 2017-09-01 | 2018-01-09 | 西北工业大学 | Oscillating bearing pilot system |
-
2013
- 2013-02-06 CN CN 201320068533 patent/CN203178072U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162962A (en) * | 2013-02-06 | 2013-06-19 | 杭州轴承试验研究中心有限公司 | Bi-directional loading testing machine of knuckle bearing |
| CN103604606A (en) * | 2013-12-03 | 2014-02-26 | 上海应用技术学院 | Sliding bearing testing machine |
| CN103604606B (en) * | 2013-12-03 | 2017-01-25 | 上海应用技术学院 | Sliding bearing testing machine |
| CN105527102A (en) * | 2015-12-29 | 2016-04-27 | 瓦房店轴承集团有限责任公司 | Joint bearing swinging life tester |
| CN107560852A (en) * | 2017-09-01 | 2018-01-09 | 西北工业大学 | Oscillating bearing pilot system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20180206 |