CN201653691U - Bearing dynamic stiffness testing device - Google Patents

Bearing dynamic stiffness testing device Download PDF

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Publication number
CN201653691U
CN201653691U CN2010201419293U CN201020141929U CN201653691U CN 201653691 U CN201653691 U CN 201653691U CN 2010201419293 U CN2010201419293 U CN 2010201419293U CN 201020141929 U CN201020141929 U CN 201020141929U CN 201653691 U CN201653691 U CN 201653691U
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CN
China
Prior art keywords
sensor
axle
shaft
support
fixed
Prior art date
Application number
CN2010201419293U
Other languages
Chinese (zh)
Inventor
王明海
曹国强
孙磊
Original Assignee
沈阳航空工业学院
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.)
Filing date
Publication date
Application filed by 沈阳航空工业学院 filed Critical 沈阳航空工业学院
Priority to CN2010201419293U priority Critical patent/CN201653691U/en
Application granted granted Critical
Publication of CN201653691U publication Critical patent/CN201653691U/en

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Abstract

The utility model discloses a bearing dynamic stiffness testing device which comprises a lathe bed, a motor fixed on the lathe bed, a fixed bearing bracket, a shaft, a force application device, sensor brackets in X and Y directions, a movable bearing bracket, a sensor bracket in a Z direction, a laser sensor in an X direction, a laser sensor in a Y direction and a laser sensor in a Z direction. The motor is fixedly connected with one end of the shaft, and the other end of the shaft is provided with the sensor bracket in the Z direction. The force application device is fixedly connected with the middle of the shaft. The sensor brackets in the X and Y directions are arranged above the middle of the shaft. The fixed bearing bracket and the movable bearing bracket are respectively arranged on two ends of the shaft. The laser sensor in the Z direction is fixed on the sensor bracket in the Z direction and is vertical to the end face of the shaft. The laser sensor in the X direction and the laser sensor in the Y direction are vertically fixed on the sensor brackets in the X and Y directions and vertical to the centerline of the shaft. By utilizing the laser displacement sensors for measurement, the utility model can realize non-contact measurement and has the characteristics of high speed and precision, large range, strong optical and electric interference resistance and the like.

Description

A kind of bearing dynamic stiffness proving installation
Technical field: the utility model relates to a kind of dynamic stiffness proving installation, especially a kind of bearing dynamic stiffness proving installation.
Background technology: present bearing dynamic stiffness proving installation complex structure, and also the precision of measuring is not high.
Summary of the invention: at above-mentioned the deficiencies in the prior art, the utility model provides a kind of bearing dynamic stiffness proving installation simple in structure.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bearing dynamic stiffness proving installation comprises lathe bed and the motor, solid bearing support, axle, force application apparatus, XY direction sensor support, movable bearing support, Z direction sensor support, directions X laser sensor, Y direction laser sensor and the Z direction laser sensor that are fixed on the lathe bed.Motor is fixedlyed connected with an end of axle, and the other end of axle is provided with Z direction sensor support.Force application apparatus is fixedlyed connected with the center section of axle.XY direction sensor support is in the top in a centre position.Solid bearing support and movable bearing support are in the two ends of axle respectively.Z direction laser sensor is fixed on the Z direction sensor support, and is vertical with the end face of axle.Directions X laser sensor and Y direction laser sensor are vertically fixed on the XY direction sensor support, and be vertical with the shaft centre line of axle.
The utility model uses laser displacement sensor to measure, and can realize noncontacting measurement, and it is fast to have speed, precision height, characteristics such as range is big, and anti-light, electrical interference ability are strong.Compare with traditional measurement mechanism, this device has adopted laser feeler to measure the distortion situation of bearing under the different loads condition, and this device has also added force application apparatus simultaneously, can be used for changing force-bearing situation.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Embodiment:
As shown in Figure 1-Figure 3: a kind of bearing dynamic stiffness proving installation comprises lathe bed 8 and the motor 1, solid bearing support 2, axle 3, force application apparatus 4, XY direction sensor support 5, movable bearing support 6, Z direction sensor support 7, directions X laser sensor 9, Y direction laser sensor 10 and the Z direction laser sensor 11 that are fixed on the lathe bed 8.Motor 1 is fixedlyed connected with an end of axle 3, and the other end of axle 3 is provided with Z direction sensor support 7.Force application apparatus 4 is fixedlyed connected with the center section of axle 3.XY direction sensor support 5 is in the top in axle 3 centre positions.Solid bearing support 2 and movable bearing support 6 are in the two ends of axle 3 respectively.Z direction laser sensor 11 is fixed on the Z direction sensor support 7, and is vertical with the end face of axle 3.Directions X laser sensor 9 and Y direction laser sensor 10 are vertically fixed on the XY direction sensor support 5, and be vertical with the shaft centre line of axle 3.
Principle of work: the bearing that will need to measure dynamic degree is placed in the bearing bridge, motor is by the rotation of belt driving band moving axis, axle is fixed in the bearing, the left end of axle is the solid bearing support, right-hand member is the movable bearing support, the movable bearing support can slide along the guide rail direction, realizes the adjustment to distance between bearings; Force application apparatus can apply radial force F to axle; Be fixed in directions X laser sensor and Y direction laser sensor alignment probe axle to be measured on the XY direction sensor support, can measure the X of this place's axle, the displacement fluctuation of Y direction; But be fixed in Z direction laser sensor probe measurement axis on the Z direction sensor support at the displacement fluctuation of Z direction,, can obtain the bearing dynamic stiffness by calculating according to measurement data.

Claims (1)

1. bearing dynamic stiffness proving installation, comprise lathe bed, it is characterized in that: also comprise the motor, solid bearing support, axle, force application apparatus, XY direction sensor support, movable bearing support, Z direction sensor support, directions X laser sensor, Y direction laser sensor and the Z direction laser sensor that are fixed on the lathe bed; Motor is fixedlyed connected with an end of axle, and the other end of axle is provided with Z direction sensor support; Force application apparatus is fixedlyed connected with the center section of axle; XY direction sensor support is in the top in a centre position; Solid bearing support and movable bearing support are in the two ends of axle respectively; Z direction laser sensor is fixed on the Z direction sensor support, and is vertical with the end face of axle; Directions X laser sensor and Y direction laser sensor are vertically fixed on the XY direction sensor support, and be vertical with the shaft centre line of axle.
CN2010201419293U 2010-03-26 2010-03-26 Bearing dynamic stiffness testing device CN201653691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201419293U CN201653691U (en) 2010-03-26 2010-03-26 Bearing dynamic stiffness testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201419293U CN201653691U (en) 2010-03-26 2010-03-26 Bearing dynamic stiffness testing device

Publications (1)

Publication Number Publication Date
CN201653691U true CN201653691U (en) 2010-11-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201419293U CN201653691U (en) 2010-03-26 2010-03-26 Bearing dynamic stiffness testing device

Country Status (1)

Country Link
CN (1) CN201653691U (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226713A (en) * 2011-03-29 2011-10-26 长沙中联重工科技发展股份有限公司 Three dimensions vibration measuring apparatus and method
CN102331349A (en) * 2011-06-17 2012-01-25 武汉理工大学 Permanent magnetic bearing rigidity measuring device
CN102435434A (en) * 2011-08-31 2012-05-02 苏州同心医疗器械有限公司 Device and method used for measuring axial and radial rigidity of magnetic suspension bearing
CN103728136A (en) * 2014-01-14 2014-04-16 中国舰船研究设计中心 Online measuring method for radial sliding bearing oil film dynamic stiffness
CN104089776A (en) * 2014-07-23 2014-10-08 安徽工程大学 Testing device for measuring rolling bearing force and deformation relation
CN105180887A (en) * 2015-10-08 2015-12-23 重庆长安汽车股份有限公司 Wide span beam deflection deformation measuring method
CN105372070A (en) * 2015-12-15 2016-03-02 新昌县羽林街道全顺机械厂 Bearing installation precision detection device
CN105547699A (en) * 2016-01-27 2016-05-04 国电联合动力技术有限公司 Method and device for load distribution measurement in bearing
CN106092577A (en) * 2016-06-25 2016-11-09 上海大学 High-speed angular contact ball bearing cage dynamic characteristic test device
CN106338371A (en) * 2016-08-12 2017-01-18 南京汽车集团有限公司 Test device for testing rigidity of intermediate supporting ring
CN106872127A (en) * 2017-03-23 2017-06-20 西安交通大学 A kind of device that high-speed main spindle rotor-support-foundation system dynamic stiffness is recognized based on out-of-balance force
CN110296800A (en) * 2019-07-16 2019-10-01 哈尔滨理工大学 A kind of device for the measurement of blood pump magnetic suspension motor axial rigidity
CN110631830A (en) * 2019-09-23 2019-12-31 清华大学 Radial rigidity measuring device for rolling bearing

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226713A (en) * 2011-03-29 2011-10-26 长沙中联重工科技发展股份有限公司 Three dimensions vibration measuring apparatus and method
CN102226713B (en) * 2011-03-29 2013-06-05 中联重科股份有限公司 Three dimensions vibration measuring apparatus and method
CN102331349A (en) * 2011-06-17 2012-01-25 武汉理工大学 Permanent magnetic bearing rigidity measuring device
CN102331349B (en) * 2011-06-17 2013-06-12 武汉理工大学 Permanent magnetic bearing rigidity measuring device
CN102435434A (en) * 2011-08-31 2012-05-02 苏州同心医疗器械有限公司 Device and method used for measuring axial and radial rigidity of magnetic suspension bearing
CN103728136A (en) * 2014-01-14 2014-04-16 中国舰船研究设计中心 Online measuring method for radial sliding bearing oil film dynamic stiffness
CN103728136B (en) * 2014-01-14 2016-04-06 中国舰船研究设计中心 Bush(ing) bearing oil film dynamic stiffness on-line testing method
CN104089776B (en) * 2014-07-23 2017-01-11 安徽工程大学 Testing device for measuring rolling bearing force and deformation relation
CN104089776A (en) * 2014-07-23 2014-10-08 安徽工程大学 Testing device for measuring rolling bearing force and deformation relation
CN105180887A (en) * 2015-10-08 2015-12-23 重庆长安汽车股份有限公司 Wide span beam deflection deformation measuring method
CN105372070A (en) * 2015-12-15 2016-03-02 新昌县羽林街道全顺机械厂 Bearing installation precision detection device
CN105372070B (en) * 2015-12-15 2018-06-01 新昌县羽林街道全顺机械厂 A kind of bearing installation accuracy detection device
CN105547699B (en) * 2016-01-27 2017-11-21 国电联合动力技术有限公司 A kind of measuring method and measurement apparatus of the distribution of Bearing inner load
CN105547699A (en) * 2016-01-27 2016-05-04 国电联合动力技术有限公司 Method and device for load distribution measurement in bearing
CN106092577A (en) * 2016-06-25 2016-11-09 上海大学 High-speed angular contact ball bearing cage dynamic characteristic test device
CN106092577B (en) * 2016-06-25 2019-12-06 上海大学 Dynamic characteristic testing device for high-speed angular contact ball bearing retainer
CN106338371A (en) * 2016-08-12 2017-01-18 南京汽车集团有限公司 Test device for testing rigidity of intermediate supporting ring
CN106338371B (en) * 2016-08-12 2019-02-19 南京汽车集团有限公司 Test the experimental rig of intermediate supports ring stiffness
CN106872127A (en) * 2017-03-23 2017-06-20 西安交通大学 A kind of device that high-speed main spindle rotor-support-foundation system dynamic stiffness is recognized based on out-of-balance force
CN110296800A (en) * 2019-07-16 2019-10-01 哈尔滨理工大学 A kind of device for the measurement of blood pump magnetic suspension motor axial rigidity
CN110631830A (en) * 2019-09-23 2019-12-31 清华大学 Radial rigidity measuring device for rolling bearing

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Granted publication date: 20101124