CN103162962A - Bi-directional loading testing machine of knuckle bearing - Google Patents

Bi-directional loading testing machine of knuckle bearing Download PDF

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Publication number
CN103162962A
CN103162962A CN201310046676XA CN201310046676A CN103162962A CN 103162962 A CN103162962 A CN 103162962A CN 201310046676X A CN201310046676X A CN 201310046676XA CN 201310046676 A CN201310046676 A CN 201310046676A CN 103162962 A CN103162962 A CN 103162962A
Authority
CN
China
Prior art keywords
test
cavity
bearing
loading
torque sensor
Prior art date
Application number
CN201310046676XA
Other languages
Chinese (zh)
Inventor
卓继志
张斌
李慧光
王进汉
蔡丽萍
Original Assignee
杭州轴承试验研究中心有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 杭州轴承试验研究中心有限公司 filed Critical 杭州轴承试验研究中心有限公司
Priority to CN201310046676XA priority Critical patent/CN103162962A/en
Publication of CN103162962A publication Critical patent/CN103162962A/en

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Abstract

The invention discloses a mechanical device and particularly refers to a bi-directional loading testing machine of a knuckle bearing. The testing machine is characterized in that a testing cavity is connected with a working table fixedly and a testing shaft is connected with a coupling, a torque sensor through a transmission shaft. The other end of the torque sensor is connected with a reducer; the reducer is connected with a servo drive motor fixedly to form a whole. A middle loading body is connected with a loading head through a bolt fixedly and the other end of the loading head is connected with a pressure sensor fixedly, the other end of the pressure sensor is connected with a piston rod of a loading cylinder fixedly. The loading cylinder is connected with the testing cavity through a flange fixedly. The testing machine has the advantage of being simple in structure, convenient to test and install high in precision, quick in response speed, stable in operation and the like.

Description

A kind of oscillating bearing bilateral loading machine
Technical field
The present invention relates to a kind of mechanical hook-up, specifically refer to a kind of testing machine for test oscillating bearing biaxial loadings.
Background technology
Domestic High speed railway project and Aircraft Project are greatly developed, in the skidding of locomotive and vehicle, Vibration damping balance system be widely used oscillating bearing in aircraft flight control system, power system and housing construction, what in these projects, great majority adopted at present is the import oscillating bearing, along with the support of country to independent brand, domestic oscillating bearing producer need to test and measure the performance of oscillating bearing.The oscillating bearing of the reciprocally swinging of a large amount of low speed is all to work under the alternating overload condition, and the performances such as its serviceable life and reliability are vital to whole system.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of oscillating bearing swinging fatigue life test that can be used for, particularly under cycling alternating load.
The present invention is achieved by following technical proposals:
A kind of oscillating bearing bilateral loading machine, it is characterized in that, the test cavity is fixedly connected with worktable, and 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 fixedly connected with servo drive motor and is integral; Middle carrier compound is fixedly connected with loading head by screw, and the loading head other end is fixedly connected with pressure transducer, and the pressure transducer other end is fixedly connected with the piston rod that loads cylinder, loads cylinder and is fixedly connected with the test cavity by flange.
As preferably, the loading head in above-mentioned a kind of oscillating bearing bilateral loading machine coordinates with the cavity gap, and transmission shaft coordinates with the cavity gap, is fixedly connected with between angular transducer and cavity.
As preferably, in above-mentioned a kind of oscillating bearing bilateral loading machine, on the test axle, test bearing and spring bearing are installed, and lock with double nut at two ends, on 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 present invention, the test cavity is fixedly connected with worktable, and test unit is positioned in cavity, and the test axle is connected with torque sensor with shaft coupling by transmission shaft, the torque sensor other end follows speed reduction unit to be connected by shaft coupling, and speed reduction unit is fixedly 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 with, the pressure transducer other end is fixedly connected with the piston rod that loads cylinder, loads cylinder and is fixedly connected with the test cavity by flange, and the other end of test axle is connected with angular transducer.
Beneficial effect: the present invention is simple in structure, tests easy for installation; Pendulum angle is controlled by the test shaft end, can eliminate the gap of shaft coupling and speed reduction unit to the impact of pivot angle, realizes closed-loop control with servomotor, and precision is high, fast response time, and the 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 invention;
Fig. 2 is test unit schematic diagram in the present invention;
Fig. 3 is test unit sectional structure chart in the present invention.
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, hydraulic cylinder 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
The below illustrates enforcement of the present invention:
Embodiment 1
As accompanying drawing 1, accompanying drawing 2, shown in Figure 3, a kind of oscillating bearing bilateral loading machine, wherein testing cavity 2 is fixedly 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 fixedly connected with servo drive motor 10 and is integral; Middle carrier compound 15 is fixedly connected with loading head 5 by screw 16, loading head 5 other ends are fixedly connected with pressure transducer 11, pressure transducer 11 other ends are fixedly connected with the piston rod 14 that loads cylinder 13, load cylinder 13 and are fixedly connected with test cavity 2 by flange 12; Wherein loading head 5 coordinates with cavity 2 gaps, and transmission shaft 6 coordinates with cavity 2 gaps, is fixedly connected with between angular transducer 3 and cavity 2; On test axle 17, test bearing 20 and spring bearing 22 are installed, and lock with double nut 23 at two ends, end load body 18 and lining 19 are installed on two spring bearings 22, 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 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 fixedly 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 with, pressure transducer 11 other ends are fixedly connected with the piston rod 14 that loads cylinder 13, load cylinder 13 and be fixedly connected with test cavity 2 by flange 12, the other end of test axle 17 is connected with angular transducer 3; With double nut 23 locking, then end load body 18 and the lining 19 that assembles is installed on two spring bearings 22, temperature sensor 22 is inserted in middle 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, the distance between reducing both, and the bending degree of disturbing that has reduced to greatest extent test axle 17 changes; Adopt double nut 23 structures, locking test bearing 20 inner rings; Can conveniently realize manually or automatically regularly to the oscillating bearing greasing by test axle 20 internal lubrication fat pipeline A.

Claims (3)

1. oscillating bearing bilateral loading machine, it is characterized in that, test cavity (2) is fixedly 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 fixedly connected with servo drive motor (10) and is integral; Middle carrier compound (15) is fixedly connected with loading head (5) by screw (16), loading head (5) other end is fixedly connected with pressure transducer (11), pressure transducer (11) other end is fixedly connected with the piston rod (14) that loads cylinder (13), loads cylinder (13) and is fixedly connected with test cavity (2) by flange (12).
2. a kind of oscillating bearing bilateral loading machine according to claim 1, it is characterized in that, loading head (5) coordinates with cavity (2) gap, and transmission shaft (6) coordinates with cavity (2) gap, is fixedly connected with between angular transducer (3) and cavity (2).
3. a kind of oscillating bearing bilateral loading machine according to claim 1, it is characterized in that on test axle (17), test bearing (20) and spring bearing (22) being installed, and lock with double nut (23) at two ends, end load body (18) and lining (19) are installed on two spring bearings (22), assigned temperature sensor (21) in middle carrier compound (15) hole, temperature sensor (21) contacts with test bearing (20) outer ring.
CN201310046676XA 2013-02-06 2013-02-06 Bi-directional loading testing machine of knuckle bearing CN103162962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310046676XA CN103162962A (en) 2013-02-06 2013-02-06 Bi-directional loading testing machine of knuckle bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310046676XA CN103162962A (en) 2013-02-06 2013-02-06 Bi-directional loading testing machine of knuckle bearing

Publications (1)

Publication Number Publication Date
CN103162962A true CN103162962A (en) 2013-06-19

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Application Number Title Priority Date Filing Date
CN201310046676XA CN103162962A (en) 2013-02-06 2013-02-06 Bi-directional loading testing machine of knuckle bearing

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CN (1) CN103162962A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292999A (en) * 2013-07-01 2013-09-11 燕山大学 Offset double-oscillating-follower double-swash-plate-end-cam knuckle bearing high-speed testing machine
CN103994890A (en) * 2014-06-06 2014-08-20 中国航空综合技术研究所 Swing wear life test clamp of joint bearing
CN104034529A (en) * 2014-05-22 2014-09-10 杭州电子科技大学 Dustproof performance simulation test machine for automobile hub bearing unit
CN104142196A (en) * 2014-07-23 2014-11-12 北京卫星制造厂 Large-scale mechanical arm joint reverse driving torque testing system and method
CN105424476A (en) * 2015-11-04 2016-03-23 中国直升机设计研究所 Double-shaft rotating loading detecting device for rod end knuckle bearing
CN105527103A (en) * 2016-01-18 2016-04-27 浙江省机电设计研究院有限公司 Single-point support knuckle bearing performance testing machine
CN105675300A (en) * 2016-02-23 2016-06-15 杭州轴承试验研究中心有限公司 Service life intensification test machine for oil-immersed rolling bearing
CN108827803A (en) * 2018-07-02 2018-11-16 燕山大学 Electric loading system excavator sliding shaft sleeve fatigue tester
CN109357871A (en) * 2018-12-12 2019-02-19 中国北方发动机研究所(天津) A kind of connecting rod small end of engine bearing certification test platform and test macro

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005326374A (en) * 2004-05-17 2005-11-24 Tokyo Electric Power Co Inc:The Cooling method of test bearing in bearing testing machine
CN101660970A (en) * 2009-09-24 2010-03-03 浙江天马轴承股份有限公司 Large bearing testing machine
CN102053015A (en) * 2009-10-30 2011-05-11 中国石油化工股份有限公司 Tester for thrust bearing
CN202141592U (en) * 2010-12-31 2012-02-08 中国直升机设计研究所 Durability test device of joint bearing
JP2012255688A (en) * 2011-06-08 2012-12-27 Mitsubishi Heavy Ind Ltd Bearing testing apparatus
CN203178072U (en) * 2013-02-06 2013-09-04 杭州轴承试验研究中心有限公司 Joint bearing bidirectional loading test machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005326374A (en) * 2004-05-17 2005-11-24 Tokyo Electric Power Co Inc:The Cooling method of test bearing in bearing testing machine
CN101660970A (en) * 2009-09-24 2010-03-03 浙江天马轴承股份有限公司 Large bearing testing machine
CN102053015A (en) * 2009-10-30 2011-05-11 中国石油化工股份有限公司 Tester for thrust bearing
CN202141592U (en) * 2010-12-31 2012-02-08 中国直升机设计研究所 Durability test device of joint bearing
JP2012255688A (en) * 2011-06-08 2012-12-27 Mitsubishi Heavy Ind Ltd Bearing testing apparatus
CN203178072U (en) * 2013-02-06 2013-09-04 杭州轴承试验研究中心有限公司 Joint bearing bidirectional loading test machine

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292999B (en) * 2013-07-01 2015-10-14 燕山大学 Biased two oscillating follower two inclined plate edge cam oscillating bearing high-speed tester (HST)
CN103292999A (en) * 2013-07-01 2013-09-11 燕山大学 Offset double-oscillating-follower double-swash-plate-end-cam knuckle bearing high-speed testing machine
CN104034529A (en) * 2014-05-22 2014-09-10 杭州电子科技大学 Dustproof performance simulation test machine for automobile hub bearing unit
CN104034529B (en) * 2014-05-22 2016-07-06 杭州电子科技大学 A kind of simulation test machine for automobile hub bearing unit anti-dust performance
CN103994890A (en) * 2014-06-06 2014-08-20 中国航空综合技术研究所 Swing wear life test clamp of joint bearing
CN104142196A (en) * 2014-07-23 2014-11-12 北京卫星制造厂 Large-scale mechanical arm joint reverse driving torque testing system and method
CN104142196B (en) * 2014-07-23 2016-08-24 北京卫星制造厂 A kind of big machinery shoulder joint anti-drive square test system and method for testing
CN105424476A (en) * 2015-11-04 2016-03-23 中国直升机设计研究所 Double-shaft rotating loading detecting device for rod end knuckle bearing
CN105424476B (en) * 2015-11-04 2018-11-23 中国直升机设计研究所 A kind of spherical plain bearing rod end dual-axis rotation load detection device
CN105527103A (en) * 2016-01-18 2016-04-27 浙江省机电设计研究院有限公司 Single-point support knuckle bearing performance testing machine
CN105527103B (en) * 2016-01-18 2018-04-20 浙江省机电设计研究院有限公司 A kind of single-point support oscillating bearing performance aircraft
CN105675300B (en) * 2016-02-23 2018-05-01 杭州轴承试验研究中心有限公司 A kind of oil immersed type rolling bearing life strenuous test machine
CN105675300A (en) * 2016-02-23 2016-06-15 杭州轴承试验研究中心有限公司 Service life intensification test machine for oil-immersed rolling bearing
CN108827803A (en) * 2018-07-02 2018-11-16 燕山大学 Electric loading system excavator sliding shaft sleeve fatigue tester
CN109357871A (en) * 2018-12-12 2019-02-19 中国北方发动机研究所(天津) A kind of connecting rod small end of engine bearing certification test platform and test macro
CN109357871B (en) * 2018-12-12 2020-11-06 中国北方发动机研究所(天津) Engine connecting rod small-end bearing examination test bed and test system

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Application publication date: 20130619