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 PDFInfo
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- 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
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- transmission
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- tooling
- bearing inner
- inner ring
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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
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.
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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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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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CN201910020020.8A Pending 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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Cited By (2)
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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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 |
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2019
- 2019-01-09 CN CN201910020020.8A patent/CN109855745A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |