CN106768294B - A kind of device of not alopecia detection engine bearing vibration - Google Patents
A kind of device of not alopecia detection engine bearing vibration Download PDFInfo
- Publication number
- CN106768294B CN106768294B CN201611046715.6A CN201611046715A CN106768294B CN 106768294 B CN106768294 B CN 106768294B CN 201611046715 A CN201611046715 A CN 201611046715A CN 106768294 B CN106768294 B CN 106768294B
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- hole
- undersetting
- axis
- support rod
- alopecia
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of devices of not alopecia detection engine bearing vibration, comprising: operating stick, vibrating sensor, upper bracket, support rod, undersetting, idler wheel, spring, axis, elastic piston ring；The not alopecia distal end that the present invention realizes engine bearing vibration is detected, and vibrating sensor only receives the vibration signal from cowling, eliminates other interference signals, simple and reliable for structure, easy to operate, portable, non-maintaining.
Description
Technical field
The present invention relates to a kind of detection devices, especially provide one kind and use in the case where aircraft not alopecia, are grasped with distal end
Make mode, sensor is placed and withdrawn by specified position, realizes the device of engine bearing vibration distal end detection.
Background technique
Between aircraft engine machine rotor and bearing vibration measurement technique requires, and it is whole that vibrating sensor is placed in engine
On stream cover, away within the scope of 10~30mm of root, come into full contact with radome fairing.Due to aircraft air inlet baffle to cowling
The distance of detection position be 1350mm, far measuring distance be greater than operator's arm can and opereating specification, can not achieve directly
Measurement.
Existing detection instrument is the leverage of a kind of expansible, closure, in closed state from aircraft baffle interstitial hole
Engine inlets are extend into, lever are opened in air intake duct, then leverage is fastened on baffle and cowling
Between, by operation hold-down mechanism, it is closed lever, the sensor for being fixed on lever end is pressed on cowling,
It is detected, inverted order reverse operating takes out detection device after measurement.Existing structure of the detecting device is complicated, complex for operation step, and one
But operation error, it is possible to will cause aircraft and engine components damage, the rigid attachment of sensor and lever, which cannot obstruct, to be come
Vibration other than measurement position.
Therefore, there is an urgent need to a kind of devices of structurally reasonable not alopecia detection engine bearing vibration by people.
Summary of the invention
It is used under aircraft not alopecia state the purpose of the present invention is to provide a kind of, with far-end operation mode detects hair
The device of motivation bear vibration, can the effective solution above problem.
The technical scheme is that a kind of device of not alopecia detection engine bearing vibration, comprising: operating stick 1, vibration
Dynamic sensor 2, upper bracket 3, support rod 4, undersetting 5, idler wheel 6, spring 7, axis 8, elastic piston ring 9；
3 front of upper bracket is I 3a of V-arrangement guide portion, and the I two ends upper surface 3a of V-arrangement guide portion is equipped with salient point
3b, the stepped hole 3c of vertical direction is equipped in the middle part of the upper bracket 3, and 3 rear portion of upper bracket is clip structure, the clip knot
Structure includes the locking hole of the sensor mounting hole 3d of vertical direction, two clamping plate 3e and the horizontal direction on two clamping plate 3e
3f；
5 front of undersetting is II 5a of V-arrangement guide portion, be equipped in the middle part of the undersetting 5 vertical direction square hole 5b and
It is connected to the axis hole 5c in square hole 5b left and right horizontal direction, the operating stick that 5 rear portion of undersetting is equipped with anterior-posterior horizontal direction is installed
Hole 5d；
The vibrating sensor 2 is set in sensor mounting hole 3d and is locked by clip structure；The spring 7 is set
In in stepped hole 3c, 7 top of spring is limited by elastic piston ring 9, and lower part is connect with support rod 4；The axis 8 passes through axis hole
5c, 4 lower part of support rod are set in square hole 5b and are articulated on axis 8, and 8 both ends of axis are equipped with idler wheel 6；The operating stick
1 front end is set in operating stick mounting hole 5d.
Preferably, 1 length of operating stick is 1500mm.
Preferably, the operating stick 1 is detachably connected for three sections.
The present invention has following beneficial effect:
The not alopecia distal end that the present invention realizes engine bearing vibration is detected, and vibrating sensor only receives from engine
The vibration signal of radome fairing eliminates other interference signals, simple and reliable for structure, easy to operate, portable, non-maintaining.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the front sectional view of upper bracket in the present invention；
Fig. 3 is the top view of upper bracket in the present invention；
Fig. 4 is the main view of undersetting in the present invention；
Fig. 5 is the overhead sectional view of undersetting in the present invention；
Fig. 6 is working state schematic representation of the present invention；
In figure: 1, operating stick；2, vibrating sensor；3, upper bracket；3a, V-arrangement guide portion I；3b, salient point；3c, stepped hole；
3d, sensor mounting hole；3e, clamping plate；3f, locking hole；4, support rod；5, undersetting；5a, V-arrangement guide portion II；5b, square hole；
5c, axis hole；5d, operating stick mounting hole；6, idler wheel；7, spring；8, axis；9, elastic piston ring；10, limit point I；11, limit point II；
12, engine centerline；13, baffle；14, airplane intake；15, cowling.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in figures 1 to 6, a kind of device of not alopecia detection engine bearing vibration, comprising: operating stick 1, vibrating sensing
Device 2, upper bracket 3, support rod 4, undersetting 5, idler wheel 6, spring 7, axis 8, elastic piston ring 9；
3 front of upper bracket is I 3a of V-arrangement guide portion, and the I two ends upper surface 3a of V-arrangement guide portion is equipped with salient point 3b, upper bracket
3 middle parts are equipped with the stepped hole 3c of vertical direction, and 3 rear portion of upper bracket is clip structure, and clip structure includes the sensing of vertical direction
The locking hole 3f of device mounting hole 3d, two clamping plate 3e and the horizontal direction on two clamping plate 3e；
5 front of undersetting is II 5a of V-arrangement guide portion, and square hole 5b and the side of being connected to of vertical direction are equipped in the middle part of undersetting 5
The axis hole 5c in hole 5b left and right horizontal direction, 5 rear portion of undersetting are equipped with the operating stick mounting hole 5d in anterior-posterior horizontal direction；
Vibrating sensor 2 is set in sensor mounting hole 3d and is locked by clip structure；Spring 7 is set to stepped hole
In 3c, 7 top of spring is limited by elastic piston ring 9, and lower part is connect with support rod 4；Axis 8 passes through axis hole 5c, and 4 lower part of support rod is set
In in square hole 5b and being articulated on axis 8,8 both ends of axis are equipped with idler wheel 6；1 front end of operating stick is set in operating stick mounting hole 5d.
One end of operating stick 1 is connect with undersetting 5, and the other end is to hold operating side, and operating stick 1 is 1500mm long, can carry out
Far-end operation, operating stick 1 can be split into three sections, convenient for storage and carry.Two sides of undersetting 5 are respectively equipped with one by axis 8
Idler wheel 6,4 lower end of support rod are hinged by axis 8 with undersetting 5, and support rod 4 can be rotated around axis 8.Support rod 4 is by undersetting 5
Between square hole 5b limit swing amplitude, 5 front of undersetting be II 5a of V-arrangement guide portion, bootable limit point II 11 with start
Machine fitting.The top of support rod 4 passes through spring 7 and 3 flexible connected of upper bracket.The front of upper bracket 3 is I 3a of V-arrangement guide portion, can
Guidance limit point I 10 is bonded with engine, and the distance between the center sensor mounting hole 3d of upper bracket 3 and limit point I 10 are full
Foot measurement technique requirement.The two salient point 3b and 2 three-point shape of vibrating sensor of 3 front V-arrangement guide portion of upper bracket, I 3a are at upper support
Plane, the triangle interior that 3 stress point of upper bracket (7 center of spring) is formed in above-mentioned three point attachment guarantee that support rod 4 is stablized.
The flexible connected of support rod 4 and upper bracket 3 can obstruct the vibration other than measuring point, exclusive PCR, and support rod 4 has centainly
Freely swing amplitude, comes into full contact with vibrating sensor 2 with cowling 15.When measurement, measuring device is passed through into aircraft
The gap of baffle 13 is placed in 14 lowest part of airplane intake, and support rod 4 is turned forward, and holds operating stick 1 and fills measurement
It sets to engine interior and pushes, after the limit point I 10 and engine of upper bracket 3 contact, continue push operation bar 1 forward, upper branch
Seat 3 is obstructed forward can only be upward, pushes vibrating sensor 2 to cowling 15.When the limit point II 11 and hair of undersetting 5
When motivation is bonded, support rod 4 is in self-locking state, and vibrating sensor 2 is crushed on cowling 15, can carry out bearing at this time
Vibration measurement.After reading measurement data, operating stick 1 is pulled back, support rod 4 releases self-locking, and vibrating sensor 2 is released, after
Continuous pull back takes out measuring device completion measurement.Operating process only pushes away, draws two movements.
Measuring device is pushed to measuring point using operating stick by the present invention, and the length of operating stick meets measurement distance
1350mm.When the center line of support rod is vertical with stress surface, rod piece can generate self-locking.The present invention utilizes the latching characteristics of bar,
Sensor is pressed on radome fairing.By flexible connection between sensor and support rod, guarantee that sensor sufficiently connects with radome fairing
The vibration other than simultaneously isolation measurement position is touched, guarantees the accurate of measurement result.The core component of measuring device is a support rod,
Structure very simple is not required to special maintenance in the case where normal use, preservation.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of device of not alopecia detection engine bearing vibration characterized by comprising operating stick (1), vibrating sensor
(2), upper bracket (3), support rod (4), undersetting (5), idler wheel (6), spring (7), axis (8), elastic piston ring (9)；
Upper bracket (3) front is V-arrangement guide portion I (3a), and V-arrangement guide portion I (3a) two ends upper surface is equipped with convex
Point (3b), upper bracket (3) middle part are equipped with the stepped hole (3c) of vertical direction, and upper bracket (3) rear portion is clip structure,
The clip structure includes the sensor mounting hole (3d) of vertical direction, two clamping plates (3e) and is set on two clamping plates (3e)
The locking hole (3f) of horizontal direction；
Undersetting (5) front is V-arrangement guide portion II (5a), and the square hole of vertical direction is equipped in the middle part of the undersetting (5)
(5b) and the axis hole (5c) for being connected to square hole (5b) left and right horizontal direction, undersetting (5) rear portion are equipped with anterior-posterior horizontal direction
Operating stick mounting hole (5d)；The support rod (4) limits swing amplitude by the intermediate square hole (5b) of undersetting (5)；
The vibrating sensor (2) is set in sensor mounting hole (3d) and is locked by clip structure；The spring (7)
In stepped hole (3c), spring (7) top is limited by elastic piston ring (9), and lower part is connect with support rod (4)；It is described
Axis (8) passes through axis hole (5c), and support rod (4) lower part is set in square hole (5b) and is articulated on axis (8), the axis (8) two
End is equipped with idler wheel (6)；Operating stick (1) front end is set in operating stick mounting hole (5d).
2. the device of one kind not alopecia detection engine bearing vibration described in accordance with the claim 1, which is characterized in that the behaviour
Making bar (1) length is 1500mm.
3. a kind of device of not alopecia detection engine bearing vibration according to claim 2, which is characterized in that the behaviour
Make bar (1) to be detachably connected for three sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046715.6A CN106768294B (en) | 2016-11-23 | 2016-11-23 | A kind of device of not alopecia detection engine bearing vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046715.6A CN106768294B (en) | 2016-11-23 | 2016-11-23 | A kind of device of not alopecia detection engine bearing vibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106768294A CN106768294A (en) | 2017-05-31 |
| CN106768294B true CN106768294B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611046715.6A Active CN106768294B (en) | 2016-11-23 | 2016-11-23 | A kind of device of not alopecia detection engine bearing vibration |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0364630A (en) * | 1989-07-31 | 1991-03-20 | Nissan Motor Co Ltd | Detecting device for abnormalities in turbine blade for gas turbine engine |
| JP2011180082A (en) * | 2010-03-03 | 2011-09-15 | Asahi Kasei Engineering Kk | Diagnostic method and device of sliding bearing |
| CN102564764A (en) * | 2011-12-31 | 2012-07-11 | 洛阳工铭机电设备有限公司 | Aircraft engine spindle bearing testing machine |
| CN204286587U (en) * | 2014-12-03 | 2015-04-22 | 浙江新昌皮尔机械配件有限公司 | A kind of bearing ring pick-up unit |
| CN204831539U (en) * | 2015-07-24 | 2015-12-02 | 中国铝业股份有限公司 | Modular auxiliary rod is measured in vibration |
| CN105486505A (en) * | 2016-01-21 | 2016-04-13 | 湖南科技大学 | Single-pivot double row rolling bearing supporting type rotor comprehensive performance experiment device |
-
2016
- 2016-11-23 CN CN201611046715.6A patent/CN106768294B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0364630A (en) * | 1989-07-31 | 1991-03-20 | Nissan Motor Co Ltd | Detecting device for abnormalities in turbine blade for gas turbine engine |
| JP2011180082A (en) * | 2010-03-03 | 2011-09-15 | Asahi Kasei Engineering Kk | Diagnostic method and device of sliding bearing |
| CN102564764A (en) * | 2011-12-31 | 2012-07-11 | 洛阳工铭机电设备有限公司 | Aircraft engine spindle bearing testing machine |
| CN204286587U (en) * | 2014-12-03 | 2015-04-22 | 浙江新昌皮尔机械配件有限公司 | A kind of bearing ring pick-up unit |
| CN204831539U (en) * | 2015-07-24 | 2015-12-02 | 中国铝业股份有限公司 | Modular auxiliary rod is measured in vibration |
| CN105486505A (en) * | 2016-01-21 | 2016-04-13 | 湖南科技大学 | Single-pivot double row rolling bearing supporting type rotor comprehensive performance experiment device |
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| CN106768294A (en) | 2017-05-31 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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