CN106768294A - 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
- CN106768294A CN106768294A CN201611046715.6A CN201611046715A CN106768294A CN 106768294 A CN106768294 A CN 106768294A CN 201611046715 A CN201611046715 A CN 201611046715A CN 106768294 A CN106768294 A CN 106768294A
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- Prior art keywords
- hole
- undersetting
- alopecia
- action bars
- upper bracket
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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 device of not alopecia detection engine bearing vibration, including：Action bars, vibrating sensor, upper bracket, support bar, undersetting, roller, spring, axle, elastic piston ring；The present invention realizes the not alopecia distal end detection of engine bearing vibration, 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 means, one kind is especially provided and is used in the case of aircraft not alopecia, grasped with distal end
Make mode, sensor is placed and withdrawn by assigned position, realize the device of engine bearing vibration distal end detection.
Background technology
Between aircraft engine machine rotor and bearing vibration measurement technological requirement, vibrating sensor is placed in engine whole
On stream cover, in the range of 10~30mm of root, it is fully contacted with radome fairing.Due to aircraft air inlet baffle to cowling
The distance of detection position is 1350mm, measurement distance much larger than operating personnel's arm can and opereating specification, it is impossible to realize direct
Measurement.
Existing detection instrument is a kind of expansible, the leverage of closure, in closure state from aircraft baffle interstitial hole
Engine inlets are extend into, lever is opened in air intake duct, then leverage is fastened on baffle and cowling
Between, by operating hold-down mechanism, close lever, the sensor that will be fixed on lever end is pressed on cowling,
Detected, inverted order reverse operating takes out detection means after measurement.Existing structure of the detecting device is complicated, complex operation step, one
But operational error, it is possible to aircraft and engine components can be caused to damage, sensor can not intercept with the rigid attachment of lever
Vibration beyond measurement position.
Therefore, people are in the urgent need to a kind of device of not alopecia detection engine bearing vibration rational in infrastructure.
The content of the invention
Used under aircraft not alopecia state it is an object of the invention to provide a kind of, hair is detected with far-end operation mode
The device of motivation bear vibration, can effectively solve the above problems.
The technical scheme is that：A kind of device of not alopecia detection engine bearing vibration, including：Action bars 1, shake
Dynamic sensor 2, upper bracket 3, support bar 4, undersetting 5, roller 6, spring 7, axle 8, elastic piston ring 9；
It is the 3a of V-arrangement guide portion I that the upper bracket 3 is anterior, and two ends of the 3a upper surface of the V-arrangement guide portion I is provided with salient point
3b, the middle part of the upper bracket 3 is provided with the stepped hole 3c of vertical direction, and the rear portion of the upper bracket 3 is clip structure, the clip knot
Structure includes the locking hole of the sensor mounting hole 3d, two clamping plate 3e and the horizontal direction on two clamping plate 3e of vertical direction
3f；
It is the 5a of V-arrangement guide portion II that the undersetting 5 is anterior, the middle part of the undersetting 5 be provided with vertical direction square hole 5b and
The axis hole 5c in square hole 5b left and right horizontals direction is communicated in, the action bars that the rear portion of the undersetting 5 is provided with anterior-posterior horizontal direction is installed
Hole 5d；
The vibrating sensor 2 is locked in sensor mounting hole 3d and by clip structure；The spring 7 sets
In in stepped hole 3c, the top of the spring 7 is spacing by elastic piston ring 9, and bottom is connected with support bar 4；The axle 8 passes through axis hole
5c, the bottom of the support bar 4 is in square hole 5b and is articulated with axle 8, and the two ends of the axle 8 are provided with roller 6；The action bars
1 front end is in action bars mounting hole 5d.
Preferably, the length of the action bars 1 is 1500mm.
Preferably, the action bars 1 is detachably connected for three sections.
The present invention has following beneficial effect：
The present invention realizes the not alopecia distal end detection of engine bearing vibration, 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.
Brief description of the drawings
Fig. 1 is structural representation of the 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 front view of undersetting in the present invention；
Fig. 5 is the vertical view cutaway drawing of undersetting in the present invention；
Fig. 6 is working state schematic representation of the present invention；
In figure：1st, action bars；2nd, vibrating sensor；3rd, upper bracket；3a, V-arrangement guide portion I；3b, salient point；3c, stepped hole；
3d, sensor mounting hole；3e, clamping plate；3f, locking hole；4th, support bar；5th, undersetting；5a, V-arrangement guide portion II；5b, square hole；
5c, axis hole；5d, action bars mounting hole；6th, roller；7th, spring；8th, axle；9th, elastic piston ring；10th, limit point I；11st, limit point II；
12nd, engine centerline；13rd, baffle；14th, airplane intake；15th, 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, including：Action bars 1, vibrating sensing
Device 2, upper bracket 3, support bar 4, undersetting 5, roller 6, spring 7, axle 8, elastic piston ring 9；
It is the 3a of V-arrangement guide portion I that upper bracket 3 is anterior, and two ends of the 3a upper surface of V-arrangement guide portion I is provided with salient point 3b, upper bracket
3 middle parts are provided with the stepped hole 3c of vertical direction, and the rear portion of upper bracket 3 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；
It is the 5a of V-arrangement guide portion II that undersetting 5 is anterior, and the middle part of undersetting 5 is provided with square hole 5b and the side of being communicated in of vertical direction
The axis hole 5c in hole 5b left and right horizontals direction, the rear portion of undersetting 5 is provided with the action bars mounting hole 5d in anterior-posterior horizontal direction；
Vibrating sensor 2 is locked in sensor mounting hole 3d and by clip structure；Spring 7 is located at stepped hole
In 3c, the top of spring 7 is spacing by elastic piston ring 9, and bottom is connected with support bar 4；Axle 8 passes through axis hole 5c, and the bottom of support bar 4 sets
In in square hole 5b and being articulated with axle 8, the two ends of axle 8 are provided with roller 6；The front end of action bars 1 is in action bars mounting hole 5d.
One end of action bars 1 is connected with undersetting 5, and the other end is holding operation end, and the 1500mm long of action bars 1 can be carried out
Far-end operation, action bars 1 can be split into three sections, be easy to deposit and carry.Two sides of undersetting 5 are respectively equipped with one by axle 8
Roller 6, the lower end of support bar 4 is hinged by axle 8 with undersetting 5, and support bar 4 can be rotated around axle 8.Support bar 4 is by undersetting 5
Between square hole 5b limitation swing amplitudes, it is the 5a of V-arrangement guide portion II that undersetting 5 is anterior, bootable limit point II 11 with start
Machine is fitted.The top of support bar 4 is by spring 7 and the flexible connected of upper bracket 3.The front portion of upper bracket 3 is the 3a of V-arrangement guide portion I, can
Guiding limit point I 10 is fitted with engine, and the sensor mounting hole 3d centers of upper bracket 3 are full with the distance between limit point I 10
Foot measurement technological requirement.Two salient point 3b and the three-point shape of vibrating sensor 2 into upper support of the anterior 3a of V-arrangement guide portion I of upper bracket 3
Plane, the triangle interior that the stress point of upper bracket 3 (center of spring 7) is formed in above-mentioned three point attachment, it is ensured that the stabilization of support bar 4.
The flexible connected of support bar 4 and upper bracket 3 can intercept from measuring point beyond vibration, exclusive PCR, support bar 4 has necessarily
Freely swing amplitude, vibrating sensor 2 is fully contacted with cowling 15.During measurement, measurement apparatus are passed through into aircraft
The gap of baffle 13 is positioned over the lowest part of airplane intake 14, and support bar 4 is turned forward, and holding operation bar 1 will be measured and filled
Put and pushed to engine interior, after the limit point I 10 of upper bracket 3 is contacted with engine, continue push operation bar 1, upper branch forward
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 fitted, support bar 4 is in self-locking state, and vibrating sensor 2 is crushed on cowling 15, can now carry out bearing
Vibration measurement.After reading measurement data, action bars 1 is pulled back, support bar 4 releases self-locking, vibrating sensor 2 is released, after
The continuous taking-up measurement apparatus that pull back complete measurement.Operating process is only pushed away, draws two actions.
Measurement apparatus are pushed to measuring point by the present invention using action bars, and the length of action bars meets measurement distance
1350mm.When the center line of support bar is vertical with stress surface, rod member can produce self-locking.The present invention utilizes the latching characteristics of bar,
Sensor is pressed on radome fairing.By flexible connection between sensor and support bar, it is ensured that sensor fully connects with radome fairing
Touch and isolation measurement position beyond vibration, it is ensured that measurement result it is accurate.The core component of measurement apparatus is a support bar,
Structure very simple, in the case where normal use, preserving, is not required to special maintenance.
The above embodiments merely illustrate the technical concept and features of the present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (3)
1. the device that a kind of not alopecia detection engine bearing is vibrated, it is characterised in that including：Action bars (1), vibrating sensor
(2), upper bracket (3), support bar (4), undersetting (5), roller (6), spring (7), axle (8), elastic piston ring (9)；
It is V-arrangement guide portion I (3a) that the upper bracket (3) is anterior, and two ends of the V-arrangement guide portion I (3a) upper surface is provided with convex
Point (3b), upper bracket (3) middle part is provided with the stepped hole (3c) of vertical direction, and upper bracket (3) rear portion is clip structure,
The sensor mounting hole (3d) of the clip structure including vertical direction, two clamping plates (3e) and on two clamping plates (3e)
The locking hole (3f) of horizontal direction；
It is V-arrangement guide portion II (5a) that the undersetting (5) is anterior, and undersetting (5) middle part is provided with the square hole of vertical direction
(5b) and the axis hole (5c) in square hole (5b) left and right horizontal direction is communicated in, undersetting (5) rear portion is provided with anterior-posterior horizontal direction
Action bars mounting hole (5d)；
The vibrating sensor (2) is locked in sensor mounting hole (3d) and by clip structure；The spring (7)
In stepped hole (3c), spring (7) top is spacing by elastic piston ring (9), and bottom is connected with support bar (4)；It is described
, through axis hole (5c), support bar (4) bottom is in square hole (5b) and is articulated with axle (8), the axle (8) two for axle (8)
End is provided with roller (6)；Action bars (1) front end is in action bars mounting hole (5d).
2. the device for being vibrated according to a kind of not alopecia detection engine bearing described in claim 1, it is characterised in that the behaviour
Make bar (1) length for 1500mm.
3. the device for being vibrated according to a kind of not alopecia detection engine bearing described in claim 2, it is characterised in that the behaviour
Make bar (1) for three sections are detachably connected.
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 true CN106768294A (en) | 2017-05-31 |
| CN106768294B CN106768294B (en) | 2019-03-15 |
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ID=58975446
Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN106768294B (en) |
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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| Publication number | Publication date |
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| CN106768294B (en) | 2019-03-15 |
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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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