CN207366195U - In the air by the experimental rig of oily feeler lever damper - Google Patents
In the air by the experimental rig of oily feeler lever damper Download PDFInfo
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- CN207366195U CN207366195U CN201721460412.9U CN201721460412U CN207366195U CN 207366195 U CN207366195 U CN 207366195U CN 201721460412 U CN201721460412 U CN 201721460412U CN 207366195 U CN207366195 U CN 207366195U
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- damper
- feeler lever
- fixing bracket
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Abstract
The utility model is related to it is a kind of in the air by the experimental rig of oily feeler lever damper, it is characterized in that：Including fixing bracket, shake table and chamber, the chamber bottom is flexible coupling and has fixing bracket, fixing bracket is fixedly connected with the ground, damper is connected with fixing bracket, the damper is placed in fixing bracket and is connected with experiment by oily feeler lever part tail end, being connected by oily feeler lever part top by switching tooling with shake table for experiment, several sensors are placed around support bracket fastened damper installation site.Beneficial effect：The utility model has examined the performance of damper in the operating condition for this experimental rig in the air by the design of oily feeler lever damper testpieces；Contrasted by the monitoring data under different tests environment, damper is calculated in each axial average vibration isolation rate and mutual performance difference, demonstrates the environmental suitability and reliability under the conditions of the vibration that equipment can be born in life cycle is superimposed with other environmental factors.
Description
Technical field
The utility model belongs to the experimental provision of aircraft components, more particularly to a kind of is tried in the air by oily feeler lever damper
Experiment device.
Background technology
Air refuelling can not only significantly lift radius of action and the hang time of aircraft, can also be taken off by light oil,
The effectively airport adaptability of lifting aircraft.Light oil takes off so that mush speed faster, and it is dense in air to reduce aircraft, resistance
Power is big, the time of the high low-altitude low-speed regional activity of oil consumption rate, is conducive to fuel economy during long-distance flight.Air refuelling
Also so that aircraft when performing oceangoing voyage journey task need not frequent landing, delayed the loss rate of housing construction fatigue life.It is right
Air refuelling is even more played the role of vital for the opportunity of combat seized every minute and second in wartime, therefore to the stability of fuel loading system
There is the requirement of higher.In the air by oily feeler lever damper can effectively reduce the environment such as the vibration produced in the course of work and impact because
Influence of the element to equipment, it is one of critical component of tanker refuelling system.Aviation field urgently research and develop it is a kind of in the air by
The analogue experiment installation of oily feeler lever damper performance in the operating condition.Grasp in the air by oily feeler lever damper in different tests ring
The environmental suitability and reliability under the conditions of the vibration in life cycle is superimposed with other environmental factors are born under border, passes through experiment
Data result is analyzed, and the important reference data of offer is used and design to product.
Utility model content
The purpose of the utility model is to overcome the deficiency of above-mentioned technology, and provide a kind of in the air by oily feeler lever damper
Experimental rig, by the remote vibrational excitation of fixing bracket and connection feeler lever, to being carried out a system by oily feeler lever damper in the air
The climatic enwronmental test of row, can analyze the product by test data and bear vibration in life cycle under various circumstances
Environmental suitability and reliability under the conditions of being superimposed with other environmental factors.
The utility model to achieve the above object, using following technical scheme：It is a kind of to be tried in the air by oily feeler lever damper
Experiment device, it is characterized in that：Including fixing bracket, shake table and chamber, the chamber bottom is flexible coupling and has fixing bracket, Gu
Fixed rack is fixedly connected with the ground, and is connected with damper on fixing bracket, the damper be placed in chamber and with experiment by
Oily feeler lever part tail end connection, being connected by oily feeler lever part top by switching tooling with shake table for experiment, subtracts on fixing bracket
Several sensors are placed around device installation site of shaking, the vibration response signal that shake table is sent is visited by experiment by oil
Rod piece is delivered on support bracket fastened damper, and Sensor monitoring vibration response signal, sensor is connected with vibration control apparatus.
The experiment chamber interior wall is equipped with insulating layer, and the installation position of damper is placed in chamber in sealed connection.
The vibration control apparatus passes through sequentially connected power amplification unit, vibration unit, control sensing unit and letter
Sensor monitoring vibration response signal is fed back to vibration control apparatus by number processing unit.The chamber uses and is capable of providing height
Temperature, low temperature, steady damp heat, the combined environment test case of Alternate hot and humid Different climate environment.
The switching tooling includes right angle base and connecting flange, and the right angle base end face and shake table are affixed, right angle
The facade of base is connected with connecting flange, and connecting flange is affixed by oily feeler lever part top with experiment.
The sensor uses acceleration transducer.
Beneficial effect：Compared with prior art, the utility model is directed in the air by oily feeler lever damper testpieces, the product
That designs is aerial by oily feeler lever damper temperature and vibration integrated environment test device, can effectively reduce what is produced in the course of work
The influence of the environmental factor to equipment such as vibration and impact.This experimental rig has examined the performance of damper in the operating condition.It is logical
The monitoring data contrast under different tests environment is crossed, calculates damper in each axial average vibration isolation rate and mutual
Performance difference.The environment under the conditions of the vibration that equipment can be born in life cycle is superimposed with other environmental factors is demonstrated to adapt to
Property and reliability, using and design provide important reference for product reliable by this test result analysis, data.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the installation site figure of damper and sensor；
Fig. 3 is vibration control curve map；
Fig. 4 is high-temperature control curve map；
Fig. 5 is low temperature controlling curve figure；
Fig. 6 is Alternate hot and humid controlling curve figure；
Fig. 7 is vibration test monitoring curve figure；
Fig. 8 is the connection block diagram of vibration control apparatus.
In figure：1st, fixing bracket, 2, shake table, 3, chamber, 4, damper, 5, experiment by oily feeler lever part, 6, turn
Connect frock, 6-1, right angle base, 6-2, connecting flange, 7, sensor, 8, insulating layer.
Embodiment
Specific embodiment of the present utility model is described in detail with reference to preferred embodiment.
Attached drawing is referred to, is present embodiments provided a kind of in the air by the experimental rig of oily feeler lever damper, including fixing bracket
1st, shake table 2 and chamber 3, the chamber bottom are flexible coupling and have fixing bracket, while connection request ensures leakproofness, also
The vibration of rack is prevented to be delivered to experiment box body.Fixing bracket is fixedly connected with the ground, and damper 4 is connected with fixing bracket,
The damper is placed in chamber and is connected with experiment by oily feeler lever part tail end, experiment by oily 5 top of feeler lever part
It is connected by switching tooling 6 with shake table, places several sensors 7 on fixing bracket around damper installation site, shake
The vibration response signal that dynamic platform is sent is delivered on support bracket fastened damper by experiment by oily feeler lever part, sensor prison
Vibration response signal is surveyed, sensor is connected with vibration control apparatus.The experiment chamber interior wall is equipped with insulating layer 8, the peace of damper
Dress position is placed in chamber in sealed connection.
Attached drawing 8 is referred to, the vibration control apparatus is passed by sequentially connected power amplification unit, vibration unit, control
Sensor monitoring vibration response signal is fed back to vibration control apparatus by sense unit and signal processing unit.
The chamber uses and is capable of providing high temperature, low temperature, steady damp heat, the synthesis ring of Alternate hot and humid Different climate environment
Border chamber.
The switching tooling includes right angle base 6-1 and connecting flange 6-2, the right angle base end face are consolidated with shake table
Connect, the facade of right angle base is connected with connecting flange, and connecting flange is affixed by oily feeler lever part top with experiment.
The sensor uses acceleration transducer.The present embodiment uses 4384 electric charge acceleration sensing of b＆k companies of Denmark
Device；Shake table uses space flight Xi Er MPA407/M437A 3T shake tables；Chamber：The auspicious Lay TH10-1000DHVB synthesis ring of space flight
Border chamber
Operation principle
For certain model in the air by the requirement of oily feeler lever damper test mission, devise and tested in the air by oily feeler lever damper
System, testpieces are that can effectively be reduced the vibration produced in the course of work and impact etc. by oily feeler lever damper, the product in the air
Influence of the environmental factor to equipment.The research and development of products stage is, it is necessary to carry out a series of environmental tests, to predict and verify product in spy
The performance and function of fixed environment.In order to which more really reflection product is comprehensive to temperature, humidity and vibration in actual use
The adaptability of environmental change is closed, to product into trip temperature, humidity and vibration integrated experiment.Conventional compbined test, shake table platform
Face is located at immediately below chamber, with such a state carry out experiment can not analog equipment real work state, according to by oily feeler lever
The actual installation state of damper and vibration require, and to realize more preferable test effect, vibration need to pass through the feeler lever transmission of 2.45m
It is installed on into chamber on support bracket fastened damper, it is all to establish new temperature and vibration integrated environmental test system.
Attached 3-6 is referred to, this pilot system has examined the performance of damper in the operating condition.By under different tests environment
Monitoring data contrast, calculate damper in each axial average vibration isolation rate and mutual performance difference.Demonstrate
Environmental suitability and reliability under the conditions of the vibration that equipment can be born in life cycle is superimposed with other environmental factors, pass through
This test result analysis, data are reliable, using and designing and provide important reference to product.
Product vibration isolation rate calculation formula is
According to the actual refueling process design experiment of tanker aircraft, the different conditions of more comprehensive analog equipment are different
The working status of source forcing is encouraged, design specialized frock realizes that temperature and the span of vibration are true from Synchronization Control, installation border
Actual installation state is simulated, the architectural characteristic and performance under product time of day can be obtained.
Refer to attached drawing 8, vibration test uses closed-loop control, by controller generation drive signal by power amplifier by
Level amplification, then drives shake table work, while the response signal at control point feeds back to controller, by itself and the reference that sets
Spectrum is compared, corrects, and draws new driving spectrum, is so repeated, and reaches control spectrum and meets that controlling test precision will
To ask, monitoring sensor is directly delivered to vibration controller, is not involved in controlling test process, is shown in a manner of operator is set,
Test basis, which is provided, for experiment consigner judges test specimen performance.
This experiment difficult point be by fixing bracket and connection feeler lever carry out remote vibrational excitation while, to product into
The a series of climatic enwronmental test of row, the vibration that can checking test part be born in life cycle are superimposed bar with other environmental factors
Environmental suitability and reliability under part.Fixing bracket is rigidly fixed on the ground by foundation bolt.
During testpieces use, it can be subject to cause from airframe vibration source (engine etc.) and external fuselage air pressure
Vibration, while the climatic environments such as different temperature, humidity and two kinds and the joint effect of above essential environmental factors can be subjected to.
Shake table can provide vibration environment, and chamber can provide the weather ring such as high temperature, low temperature, temperature change, steady damp heat, Alternate hot and humid
Border.It is synchronous with temperature, humidity and humiture combined stress by meeting to vibrate testpieces to the extension transformation of chamber
Apply, the structure of chamber expansion is mainly made of tank wall, insulating layer, with the coupling part of rack and feeler lever using flexible
Thermal-insulating sealing material, with the insulation of guarantee test case and sealing performance, chamber control can ensure to produce and keep experiment institute
The combined environment test condition needed, according to JJF 1101-2003《Environmental test equipment temperature, humidity calibration specification》In calculating
Method, high/low temperature calibration check is carried out to the incubator after repacking, measured data analyzed, be calculated during verify the result is shown in
Table 1-2.
1 chamber calibration check result (low temperature) of table
| Monitoring project | Measurement result | Test value |
| Temperature deviation | 0.15℃ | -60℃ |
| Temperature uniformity | 1.43℃ | -60℃ |
| Temperature fluctuation | ±0.57℃ | -60℃ |
2 chamber calibration check result (high temperature) of table
| Monitoring project | Measurement result | Test value |
| Temperature deviation | -0.19℃ | 80℃ |
| Temperature uniformity | 0.83℃ | 80℃ |
| Temperature fluctuation | ±0.41℃ | 80℃ |
The performance of damper in the operating condition has been examined in this experiment.Pass through the monitoring data pair under different tests environment
Than calculating damper in each axial average vibration isolation rate and mutual performance difference.Demonstrating can bear in equipment
Vibration in life cycle be superimposed with other environmental factors under the conditions of environmental suitability and reliability, pass through this result of the test
Analysis, data are reliable, using and designing and provide important reference to product.
According to the actual refueling process design experiment of tanker aircraft, the different conditions of more comprehensive analog equipment are different
The working status of source forcing is encouraged, design specialized frock realizes that temperature and the span of vibration are true from Synchronization Control, installation border
Actual installation state is simulated, the architectural characteristic and performance under product time of day can be obtained.
It is above-mentioned with reference to embodiment to this it is a kind of in the air by oily feeler lever damper experimental rig carry out be described in detail, be to say
It is bright property rather than limited, several embodiments can be included according to limited scope, therefore it is new not departing from this practicality
Changing and modifications under type general plotting, should belong within the scope of protection of the utility model.
Claims (6)
1. it is a kind of in the air by the experimental rig of oily feeler lever damper, it is characterized in that：Including fixing bracket, shake table and chamber,
The chamber bottom is flexible coupling and has fixing bracket, and fixing bracket is fixedly connected with the ground, and damper is connected with fixing bracket, described
Damper is placed in chamber and be connected with experiment by oily feeler lever part tail end, experiment by oily feeler lever part top by turn
Connect frock to be connected with shake table, place several sensors on fixing bracket around damper installation site, shake table is sent
Vibration response signal being delivered to by experiment on support bracket fastened damper by oily feeler lever part, Sensor monitoring vibration is rung
Induction signal, sensor are connected with vibration control apparatus.
2. it is according to claim 1 in the air by the experimental rig of oily feeler lever damper, it is characterized in that：The experiment chamber interior wall
Equipped with insulating layer, the installation position of damper is placed in chamber in sealed connection.
3. it is according to claim 1 in the air by the experimental rig of oily feeler lever damper, it is characterized in that：The vibration control dress
Put by sequentially connected power amplification unit, vibration unit, control sensing unit and signal processing unit by Sensor monitoring
Vibration response signal feeds back to vibration control apparatus.
4. it is according to claim 1 in the air by the experimental rig of oily feeler lever damper, it is characterized in that：The chamber uses
It is capable of providing high temperature, low temperature, steady damp heat, the combined environment test case of Alternate hot and humid Different climate environment.
5. it is according to claim 1 in the air by the experimental rig of oily feeler lever damper, it is characterized in that：The switching tooling bag
Right angle base and connecting flange are included, the right angle base end face and shake table are affixed, and the facade of right angle base is connected with connection method
Orchid, connecting flange are affixed by oily feeler lever part top with experiment.
6. it is according to claim 1 in the air by the experimental rig of oily feeler lever damper, it is characterized in that：The sensor uses
Acceleration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460412.9U CN207366195U (en) | 2017-11-06 | 2017-11-06 | In the air by the experimental rig of oily feeler lever damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460412.9U CN207366195U (en) | 2017-11-06 | 2017-11-06 | In the air by the experimental rig of oily feeler lever damper |
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| Publication Number | Publication Date |
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| CN207366195U true CN207366195U (en) | 2018-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831002A (en) * | 2017-11-06 | 2018-03-23 | 天津航天瑞莱科技有限公司 | In the air by the experimental rig of oily feeler lever shock absorber |
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2017
- 2017-11-06 CN CN201721460412.9U patent/CN207366195U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831002A (en) * | 2017-11-06 | 2018-03-23 | 天津航天瑞莱科技有限公司 | In the air by the experimental rig of oily feeler lever shock absorber |
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