CN109855745A - A kind of aircraft bearing inner ring temperature testing device and test method - Google Patents

A kind of aircraft bearing inner ring temperature testing device and test method Download PDF

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Publication number
CN109855745A
CN109855745A CN201910020020.8A CN201910020020A CN109855745A CN 109855745 A CN109855745 A CN 109855745A CN 201910020020 A CN201910020020 A CN 201910020020A CN 109855745 A CN109855745 A CN 109855745A
Authority
CN
China
Prior art keywords
transmission
wireless
tooling
bearing inner
inner ring
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910020020.8A
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Chinese (zh)
Inventor
李正辉
战利伟
毕明龙
孙东
公平
韩松
于庆杰
王文雪
王双
艾青牧
刘金玲
童锐
曹娜娜
李海涛
刘明
王丽瑶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinese Hangfa Harbin Bearing Co Ltd
AVIC Harbin Bearing Co Ltd
Original Assignee
Chinese Hangfa Harbin Bearing Co Ltd
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 Chinese Hangfa Harbin Bearing Co Ltd filed Critical Chinese Hangfa Harbin Bearing Co Ltd
Priority to CN201910020020.8A priority Critical patent/CN109855745A/en
Publication of CN109855745A publication Critical patent/CN109855745A/en
Pending legal-status Critical Current

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  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A kind of aircraft bearing inner ring temperature testing device and test method, it is related to the test device and test method of a kind of bearing, the present invention is that the method for solving the problems, such as existing test bearing inner ring temperature can not accurately measure bearing inner race actual temperature, the device of the invention part includes transmission shaft, temperature sensor, transmission cable and tooling, wireless transmission terminal, transmission antenna and wireless receiving end, the upper surface of transmission shaft is equipped with groove, temperature sensor is inlaid in groove, tooling is fixedly set in the right end of transmission shaft, wireless transmission terminal is mounted in tooling, the signal output end of temperature sensor is connect by transmission cable with the signal input part of wireless transmission terminal, the wireless signal transmitting terminal of wireless transmission terminal and the receiving end of transmission antenna connect, the transmitting terminal of transmission antenna is wrapped on transmission shaft, wireless receiving end, which receives, to be passed The wireless signal that defeated antenna transmitting terminal issues.The present invention is applied to Aero-engine Bearing field.

Description

A kind of aircraft bearing inner ring temperature testing device and test method
Technical field
The present invention relates to a kind of test device of bearing and test methods, and in particular to a kind of aircraft bearing inner ring temperature survey Trial assembly is set and test method.
Background technique
Bearing temperature is the important indicator for evaluating bearing operating status.Traditional contact measuring temperature of bearing method, it is general logical It crosses and tests nonrotational lasso (mostly outer ring) temperature indirect gain bearing operating status.As the continuous improvement of bearings D N value is current Aeroplane engine mainshaft bearing is up to 3 × 106Mmr/min, the bearing internal external circle temperature difference significantly increase, and rotary components are to bearing Fault message reflection is more direct rapid, therefore is particularly important to the monitoring of its temperature.Bearing during running at high speed, Its maximum temperature is embodied on inner ring.The excessively high anti-fatigue performance and heat that material will be greatly lowered of bearing inner race temperature is hard Degree, is the key factor for leading to bearing failure.However, being influenced by factors such as high speed rotation, inner space and grease mist of oils, needle It is relatively fewer to the technique study of inner ring thermometric, mainly there are around-France afflux, IR thermometry and wireless remote sensing method at present.
Around-France afflux is to arrange temperature measurement circuit in inner ring, and temperature signal is drawn by conducting ring and carbon brush, due to conduction Contact of the ring with carbon brush, test revolving speed is lower, and easily causes null offset and creep, cause temperature test precision compared with It is low.IR thermometry is based on black body radiation principle, is the most common contactless temperature test method, but by diffusing in working chamber Lubricant mist serious interference is easily influenced by ambient enviroment object ambient temperature, and the reality of bearing inner race not only can not be accurately measured Border temperature is also higher to the limitation of the spatial constructional dimensions of measurand.
Summary of the invention
The present invention is that the method for solving existing test bearing inner ring temperature can not accurately measure bearing inner race actual temperature The problem of, and then propose a kind of aircraft bearing inner ring temperature testing device and test method.
The technical solution adopted by the present invention to solve the above problem is as follows: the described device include transmission shaft, temperature sensor, Transmission cable and tooling, a kind of aircraft bearing inner ring temperature testing device further include wireless transmission terminal, transmission antenna and The upper surface at wireless receiving end, transmission shaft is equipped with groove, and temperature sensor is inlaid in groove, and tooling is fixedly set in transmission shaft Right end, wireless transmission terminal is mounted in tooling, and the signal output end of temperature sensor passes through transmission cable and wireless transmission The signal input part of terminal connects, and the wireless signal transmitting terminal of wireless transmission terminal and the receiving end of transmission antenna connect, transmission The transmitting terminal of antenna is wrapped on transmission shaft, and wireless receiving end receives the wireless signal that transmission antenna transmitting terminal issues.
Further, the tooling is made of upper half circle tooling and lower semi-circular tooling, upper half circle tooling and lower half Round tooling is bolted and is fixedly set on transmission shaft.
Further, the wireless transmitting terminals are mounted in upper half circle tooling.
Further, the wireless transmission terminal is fixed in upper half circle tooling by vibration isolation glue.
Further, lithium battery is provided in the upper half circle tooling.
Further, the wireless transmission terminal is equipped with fairlead, and the transmitting terminal of the transmission antenna is drawn by fairlead And it is wrapped on transmission shaft.
A kind of aircraft bearing inner ring temperature testing method, the described test method are by a kind of aircraft bearing The method that temperature testing device carries out temperature test is enclosed, it is comprised the following specific steps that:
Step 1: processing a groove on transmission shaft;
Step 2: by temperature sensor in groove;
Step 3: bearing inner race to be sleeved on to the left end of transmission shaft, the position for being embedded in sensor is in bearing inner race and passes At the installation cooperation of moving axis;
Step 4: temperature sensor, tooling, wireless transmitting terminals, transmission antenna and transmission shaft are together when bearing inner race rotates Temperature signal is transferred to wireless transmission terminal, wireless transmission terminal passes through transmission by transmission cable by rotation, temperature sensor Temperature signal is transferred to wireless receiving end after wireless receiving end obtains signal and temperature signal is transferred in host computer by antenna.
The beneficial effects of the present invention are:
Bearing inner race thermometric mode of the present invention is based on wireless remote sensing method, and temperature sensor is embedded in bearing inner race Between transmission shaft, the probe of sensor directly contacts with bearing inner race and by way of wireless transmission, utilizes wireless receiving Collecting signal is held, bearing is obtained under conditions of high speed rotation, really and accurately bearing inner race temperature, to evaluate aircraft bearing Behavior in service;Test device structure in the present invention is simple, and measurement result is accurate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of test device of the present invention;
Fig. 2 is upper half circle tool structure schematic diagram of the invention;
Fig. 3 is the transmission principle figure of test method of the present invention.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of aviation axis described in present embodiment in conjunction with Fig. 1 and Fig. 2 Holding inner ring temperature testing device includes transmission shaft 1, temperature sensor 3, transmission cable 4, tooling 5, in a kind of aircraft bearing Enclosing temperature testing device further includes wireless transmission terminal 6, transmission antenna 7 and wireless receiving end 8, and the upper surface of transmission shaft 1 is equipped with Groove 1-1, temperature sensor 3 are inlaid in groove 1-1, and tooling 5 is fixedly set in the right end of transmission shaft 1, wireless transmission terminal 6 It is mounted in tooling 5, the signal output end of temperature sensor 3 passes through the signal input part of transmission cable 4 and wireless transmission terminal 6 Connection, the wireless signal transmitting terminal of wireless transmission terminal 6 are connect with the receiving end of transmission antenna 7, and the transmitting terminal of transmission antenna 7 twines It is wound on transmission shaft 1, wireless receiving end 8 receives the wireless signal that 7 transmitting terminal of transmission antenna issues.
Temperature sensor 3 is fixed in groove 1-1 by high-temperature plastic, and the position of insertion is in bearing inner race 2 and transmission Axis 1 is installed at cooperation.Tooling 5 is fixed on swivel bearing 1 by aviation glue, and as rotary shaft 1 rotates together.
So set, structure is simple, using wireless receiving end collecting signal, to obtain the accurate temperature for being not limited to revolving speed Spend signal.
Specific embodiment 2: illustrating present embodiment in conjunction with Fig. 1 and Fig. 2, tooling 5 is by upper semi-circle described in present embodiment Shape tooling 5-1 and lower semi-circular tooling 5-2 composition, upper half circle tooling 5-1 and lower semi-circular tooling 5-2 are bolted simultaneously It is fixedly set on transmission shaft 1.
Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, the peace of wireless transmitting terminals 6 described in present embodiment On upper half circle tooling 5-1.
Other compositions and connection relationship are the same as one or two specific embodiments.
Specific embodiment 4: illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, wireless transmission terminal 6 described in present embodiment It is fixed on upper half circle tooling 5-1 by vibration isolation glue.So set, anti-vibration performance can be reached.
Other compositions and connection relationship are the same as the specific implementation mode 3.
Specific embodiment 5: embodiment is described with reference to Fig. 2, in upper half circle tooling 5-1 described in present embodiment It is provided with lithium battery 9.So set, can be used for being powered wireless transmitting terminals 6.
Other compositions and connection relationship are identical as specific embodiment four.
Specific embodiment 6: embodiment is described with reference to Fig. 2, wireless transmission terminal 6 described in present embodiment is equipped with Fairlead 6-1, the transmitting terminal of the transmission antenna 7 are drawn by fairlead 6-1 and are wrapped on transmission shaft 1.
Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 7: illustrating present embodiment, a kind of aviation axis described in present embodiment in conjunction with Fig. 1 to Fig. 3 Holding inner ring temperature testing method is by a kind of above-mentioned method that aircraft bearing inner ring temperature testing device is tested, it includes Following specific steps:
Step 1: processing a groove 1-1 on transmission shaft 1;
Step 2: by temperature sensor 3 in groove 1-1;
Step 3: bearing inner race 2 to be sleeved on to the left end of transmission shaft 1, the position for being embedded in sensor 3 is in bearing inner race 2 At the installation cooperation of transmission shaft 1;
Step 4: when bearing inner race 2 rotates, temperature sensor 3, tooling 5, wireless transmitting terminals 6, transmission antenna 7 and transmission Axis 1 rotates together with, and temperature sensor 3 is transferred to wireless transmission terminal 6 by transmission cable 4, by temperature signal, and wireless transmission is whole Temperature signal is transferred to wireless receiving end 8 by transmission antenna 7 by end 6, after wireless receiving end 8 obtains signal, by temperature signal It is transferred in host computer.
This temperature signal is the single point temperature of bearing inner race, as temperature signal all the way, this temperature signal and wireless receiving Constant transmissions address in end 8 is corresponding, and the temperature signal exported turns through 485 turn of 232 serial communication modular and 232 serial ports Temperature signal is transferred in host computer by usb communication module, final realize.
Working principle:
Temperature sensor is embedded between bearing inner race and transmission shaft, collection, conversion and the transfer device of signal are being protected It is connected firmly under conditions of card rotary balance amount with rolling bearing, signal is issued in the form of radio transmission, utilizes wireless receiving end Collecting signal, to obtain the accurate temperature signal for being not limited to revolving speed.

Claims (7)

1. a kind of aircraft bearing inner ring temperature testing device, the described device includes transmission shaft (1), temperature sensor (3), transmission Cable (4), tooling (5), it is characterized by: a kind of aircraft bearing inner ring temperature testing device further includes wireless transmission terminal (6), the upper surface of transmission antenna (7) and wireless receiving end (8), transmission shaft (1) is equipped with groove (1-1), and temperature sensor (3) is embedding In groove (1-1), tooling (5) is fixedly set in the right end of transmission shaft (1), and wireless transmission terminal (6) is mounted on tooling (5) On, the signal output end of temperature sensor (3) is connect by transmission cable (4) with the signal input part of wireless transmission terminal (6), The wireless signal transmitting terminal of wireless transmission terminal (6) is connect with the receiving end of transmission antenna (7), the transmitting terminal of transmission antenna (7) It is wrapped on transmission shaft (1), wireless receiving end (8) receive the wireless signal that transmission antenna (7) transmitting terminal issues.
2. a kind of aircraft bearing inner ring temperature testing device according to claim 1, it is characterised in that: the tooling (5) It is made of upper half circle tooling (5-1) and lower semi-circular tooling (5-2), upper half circle tooling (5-1) and lower semi-circular tooling (5- 2) it is bolted and is fixedly set on transmission shaft (1).
3. a kind of aircraft bearing inner ring temperature testing device according to claim 1 or 2, it is characterised in that: described wireless Transmitting terminal (6) is mounted in upper half circle tooling (5-1).
4. a kind of aircraft bearing inner ring temperature testing device according to claim 3, it is characterised in that: the wireless transmission Terminal (6) is fixed in upper half circle tooling (5-1) by vibration isolation glue.
5. a kind of aircraft bearing inner ring temperature testing device according to claim 4, it is characterised in that: the upper half is round Lithium battery (9) are provided in tooling (5-1).
6. a kind of aircraft bearing inner ring temperature testing device according to claim 1, it is characterised in that: the wireless transmission Terminal (6) is equipped with fairlead (6-1), and the transmitting terminal of the transmission antenna (7) is drawn by fairlead (6-1) and is wrapped in transmission shaft (1) on.
7. a kind of aircraft bearing inner ring temperature testing method, it is characterised in that: the described test method is by claim 1-6 A kind of method that aircraft bearing inner ring temperature testing device is tested described in any one claim, it includes following tool Body step:
Step 1: processing a groove (1-1) on transmission shaft (1);
Step 2: by temperature sensor (3) in groove (1-1);
Step 3: bearing inner race (2) to be sleeved on to the left end of transmission shaft (1), the position for being embedded in sensor (3) is in bearing inner race (2) and at the installation cooperation of transmission shaft (1);
Step 4: when bearing inner race (2) rotates, temperature sensor (3), tooling (5), wireless transmitting terminals (6), transmission antenna (7) It is rotated together with transmission shaft (1), temperature signal is transferred to wireless transmission terminal by transmission cable (4) by temperature sensor (3) (6), temperature signal is transferred to wireless receiving end (8) by wireless transmission terminal (6) by transmission antenna (7), wireless receiving end (8) After obtaining signal, temperature signal is transferred in host computer.
CN201910020020.8A 2019-01-09 2019-01-09 A kind of aircraft bearing inner ring temperature testing device and test method Pending CN109855745A (en)

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CN201910020020.8A CN109855745A (en) 2019-01-09 2019-01-09 A kind of aircraft bearing inner ring temperature testing device and test method

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Application Number Priority Date Filing Date Title
CN201910020020.8A CN109855745A (en) 2019-01-09 2019-01-09 A kind of aircraft bearing inner ring temperature testing device and test method

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CN109855745A true CN109855745A (en) 2019-06-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847999A (en) * 2021-09-08 2021-12-28 绍兴智新机电科技有限公司 Method for detecting temperature of built-in bearing of equipment and driving device with bearing
CN114136489A (en) * 2021-10-21 2022-03-04 明阳智慧能源集团股份公司 Wireless temperature detection method for planetary bearing of gearbox of wind generating set

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101986116A (en) * 2010-10-23 2011-03-16 洛阳轴研科技股份有限公司 Method for testing temperatures at multiple points of bearing inner ring rotating at high speed
CN102494788A (en) * 2011-12-17 2012-06-13 苏州朗高电机有限公司 Wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing
JP2014129849A (en) * 2012-12-28 2014-07-10 Nsk Ltd Bearing rotation state measuring monitoring device
CN204730956U (en) * 2015-07-16 2015-10-28 青岛理工大学 Bearing inner race temperature real-time measuring device
CN205719302U (en) * 2016-05-04 2016-11-23 首钢京唐钢铁联合有限责任公司 Wireless monitoring system for monitoring and recording motor bearing temperature in real time
CN108279124A (en) * 2018-01-24 2018-07-13 常州克劳诺斯特种轴承制造有限公司 Moving-coil detects bearing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101986116A (en) * 2010-10-23 2011-03-16 洛阳轴研科技股份有限公司 Method for testing temperatures at multiple points of bearing inner ring rotating at high speed
CN102494788A (en) * 2011-12-17 2012-06-13 苏州朗高电机有限公司 Wireless temperature measuring device for measuring temperature of inner ring during rotation of bearing
JP2014129849A (en) * 2012-12-28 2014-07-10 Nsk Ltd Bearing rotation state measuring monitoring device
CN204730956U (en) * 2015-07-16 2015-10-28 青岛理工大学 Bearing inner race temperature real-time measuring device
CN205719302U (en) * 2016-05-04 2016-11-23 首钢京唐钢铁联合有限责任公司 Wireless monitoring system for monitoring and recording motor bearing temperature in real time
CN108279124A (en) * 2018-01-24 2018-07-13 常州克劳诺斯特种轴承制造有限公司 Moving-coil detects bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847999A (en) * 2021-09-08 2021-12-28 绍兴智新机电科技有限公司 Method for detecting temperature of built-in bearing of equipment and driving device with bearing
CN114136489A (en) * 2021-10-21 2022-03-04 明阳智慧能源集团股份公司 Wireless temperature detection method for planetary bearing of gearbox of wind generating set

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Application publication date: 20190607