CN207439684U - Structural air force coefficient preventing test method vehicle shakes the test device of influence - Google Patents
Structural air force coefficient preventing test method vehicle shakes the test device of influence Download PDFInfo
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- CN207439684U CN207439684U CN201721249534.3U CN201721249534U CN207439684U CN 207439684 U CN207439684 U CN 207439684U CN 201721249534 U CN201721249534 U CN 201721249534U CN 207439684 U CN207439684 U CN 207439684U
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- shielding case
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Abstract
It shakes the utility model discloses structural air force coefficient preventing test method vehicle the test device of influence, including equipment cabinet, test platform, bush support, force balance and structural test piece model, the equipment cabinet is placed on the compartment of lorry, test platform plate is equipped at the top of equipment, the test platform plate is equipped with cylindrical shielding case, and force balance and structural test piece model are internally provided in shielding case；The force balance is connected with structural test piece model by connecting rod, and the connecting rod is fixed by bush support.The utility model simple operations facilitate, influence of the Vehicular vibration to structural air force coefficient in preventing test under true environment situation can accurately be measured, it is the important supplement to utilization garage sailing measurement structure aerodynamic coefficient device, and is widely portable to test the influence of other preventing test Vehicular vibrations.
Description
Technical field
The utility model is related to a kind of testing equipments, and in particular to a kind of structural air force coefficient preventing test method vehicle shakes
The test device of influence.
Background technology
Wind tunnel experiment in hydrodynamics subject is according to the relativity principle in kinematics, and test specimen or model are placed in people
Experimental data is obtained in the air-flow of work simulation, to understand or study a kind of aerodynamic experiment method of its aerodynamic characteristics.
Wind tunnel experiment test structure aerodynamic coefficient can more accurately control experiment condition, but it exists needed for experiment
Place takes up a large area, high energy consumption, the deficiencies of involving great expense.It can yet be regarded as one using garage's sailing test structure aerodynamic coefficient
The effective supplement solution method of kind, but the aerodynamic coefficient that the method is measured by Vehicular vibration factor it is possible that influenced.For this purpose,
A kind of Vehicular vibration of testing is needed on the device using garage's sailing test structure aerodynamic coefficient influence.
This project is by state natural sciences fund（Project approval number：51778587）With Henan Province's Natural Science Fund In The Light
（162300410255）It subsidizes and completes.
Utility model content
The influence of Vehicular vibration in being tested for utilization garage sailing test aerodynamic coefficient, the mesh of the utility model
It is to provide a kind of Vehicular vibration of testing to the experimental rig using garage's sailing test structure aerodynamic coefficient influence.It is specific next
Say to be exactly in the aerodynamic coefficient experiment of the wind field test structure generated using running car, caused by shielding automotive traveling
Influence of the wind field to structural test piece, and then this single factor test single argument of Vehicular vibration is individually tested on the influence of structural air force coefficient
Device.
The technical solution adopted in the utility model is：Structural air force coefficient preventing test method vehicle shake influence test dress
It puts, including equipment cabinet, test platform, bush support, force balance and structural test piece model, the equipment cabinet is placed on lorry
Compartment on, test platform plate is equipped at the top of equipment, the test platform plate is equipped with cylindrical shielding case, is shielding
Cover cover is internally provided with force balance and structural test piece model；The force balance and structural test piece model passes through connecting rod phase
Even, the connecting rod is fixed by bush support.
Further, the one side opening of the shielding case and pass through barricade seal.
Further, when force balance and structural test piece model level are placed, the barricade passes through connecting rod and the right side
Side bush support is connected, and connecting rod can left and right be flexible in sleeve, and align shielding case and barricade and fixed connecting rod.
Further, when force balance and structural test piece model are vertically placed, the bush support is arranged on equipment cabinet
Inside, connecting the connecting rod of force balance and structural test piece model can move up and down, and the barricade is arranged on shielding case
Top, and fixed by connecting rod and right hand sleeves stent.
Further, the bush support is equipped with screw, the connecting rod that can be secured across in bush support.
Further, seal to ensure its shielding properties using plasticine between the barricade and shielding case.
Further, the equipment cabinet is equipped with Pitot tube, for measuring air-flow stagnation pressure with partial pressure with definite running car institute
The speed of wind field is generated, checking test is as a result, make experiment more accurately and reliably.
Further, the equipment cabinet is used to install needed for experiment control system, data acquisition and data gathering system
Relevant device.
The utility model generate advantageous effect be：The simple operations of the utility model device facilitate, and can accurately measure true
Influence of the Vehicular vibration to structural air force coefficient in preventing test under environmental aspect is to utilizing garage's sailing test structure
The important supplement of aerodynamic coefficient device.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Structure diagram when Fig. 2 is force balance and the placement of structural test piece model level；
Top view when Fig. 3 is force balance and the placement of structural test piece model level；
Fig. 4 is structure diagram when force balance and structural test piece model are vertically placed.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
Embodiment 1：
As shown in Figure 1 to Figure 3, the utility model be structural air force coefficient preventing test method vehicle shake influence test dress
It puts, including lorry 1, equipment cabinet 3, test platform plate 4, bush support 5, force balance 6, structural test piece model 7, shielding case 8, screen
Shield plate 9, connecting rod 10, Pitot tube 11 and plasticine 12.Since the utility model is to utilizing automobile for test Vehicular vibration
The influence of traveling wind test structure aerodynamic coefficient, therefore equipment cabinet 3 is fixed in the loading space 2 of lorry 1, test platform plate 4
It is fixed on above equipment cabinet 3, bush support 5 is fixed on the both ends of test platform plate 4.
In the present embodiment, force balance 6 and structural test piece model 7 are horizontally set on the top of test platform plate 4, dynamometry
Balance 6 is connected with structural test piece model 7 by connecting rod 10, and connecting rod 10 passes through the sleeve of bush support 5.In force balance 6
Cylindrical shielding case 8 is equipped with the outside of structural test piece model 7, and ensures that shielding case 8 is not in contact with force balance 6.Screen
The one end open of cover 8 is covered, and passes through barricade 9 and seals.Barricade 9 is connected with connecting rod 10 to be placed on bush support 5, connection
Bar 10 can be moved with adjusting apparatus position and is screwed in sleeve, and mobile connection bar 10 is so that shielding case 8 and shielding
Plate 9 connects and closes its gap with plasticine 14.Pitot tube 13 is fixed on the preformed hole of test platform plate 4, for measuring in real time
The stagnation pressure of wind field air-flow, to calculate real-time wind speed, makes result of the test more accurately and reliably with partial pressure.Experiment control system, data are adopted
The pertinent instruments of collecting system and data handling system are positioned in equipment cabinet 3, and can be by wired or wireless mode by place
In the control and monitoring that drive relevant operation personnel in seat.
Before structural air force coefficient testing experiment, first measure according to this model traverse device and shielded under real conditions environment
The horizontal aerodynamic coefficient of model structure is studied under the conditions of wind field caused by running car, then carries out utilizing garage
The experiment of sailing test structure aerodynamic coefficient model traverse, compares to determine Vehicular vibration to data by Data Post
It influences, and then ensures the accuracy and general applicability of the experiment using garage's sailing measurement structure aerodynamic coefficient.
Embodiment 2：
As shown in Figure 1 and Figure 4, the utility model be structural air force coefficient preventing test method vehicle shake influence test dress
It puts, including lorry 1, equipment cabinet 3, test platform plate 4, bush support 5, force balance 6, structural test piece model 7, shielding case 8, screen
Shield plate 9, connecting rod 10, Pitot tube 11 and plasticine 12.Since the utility model is to utilizing automobile for test Vehicular vibration
The influence for the experiment that traveling wind test structure aerodynamic coefficient influences, therefore equipment cabinet 3 is fixed in the loading space 2 of lorry 1, it tries
It tests landing slab 4 to be fixed on above equipment cabinet 3, bush support 5 is fixed on the both ends of test platform plate 4.
In the present embodiment, force balance 6 and structural test piece model 7 are vertically provided at the top of test platform plate 4, dynamometry
Balance 6 is connected with structural test piece model 7 by connecting rod 10, and connecting rod 10 passes through the sleeve of bush support 5, which exists
It is welded on vertically in the cavity of test platform plate 4, the angle of examination structural test piece model 7 can be adjusted in equipment cabinet 3.
The outside of force balance 6 and structural test piece model 7 is equipped with cylindrical shielding case 8, and ensure shielding case 8 not with force balance 6
It is in contact.The top end opening of shielding case 8, and pass through barricade 9 and seal.Barricade 9 is connected with connecting rod 10 is placed in sleeve branch
On frame 5, connecting rod 10 can be moved with adjusting apparatus position and is screwed in sleeve, and mobile connection bar 10 is so that shielding
Cover 8 connects with barricade 9 and closes its gap with plasticine 14.Pitot tube 13 is fixed on the preformed hole of test platform plate 4, is used for
It measures the stagnation pressure of real-time wind field air-flow and divides to calculate real-time wind speed, make result of the test more accurately and reliably.Controlling test system
The pertinent instruments of system, data collecting system and data handling system are positioned in equipment cabinet 3, and can pass through wired or wireless side
Formula is subject to be located at the control and monitoring for driving relevant operation personnel in seat.
Before structural air force coefficient testing experiment, first according to this model place device vertically and measure and shielded under real conditions environment
The aerodynamic coefficient that model structure is vertically arranged under the conditions of wind field caused by running car is studied, and then carries out utilizing garage
The experiment that sailing test structure aerodynamic coefficient model is placed vertically compares to determine Vehicular vibration to data by Data Post
It influences, and then ensures the accuracy and general applicability of the experiment using garage's sailing measurement structure aerodynamic coefficient.
The utility model is not limited to above-mentioned specific embodiment, and person of ordinary skill in the field visualizes from above-mentioned
Hair, a variety of conversion made without creative work are implemented in scope of protection of the utility model.
Claims (6)
- The test device of influence 1. a kind of structural air force coefficient preventing test method vehicle shakes, it is characterised in that：Including equipment cabinet, Test platform, bush support, force balance and structural test piece model, the equipment cabinet are placed on the compartment of lorry, are being set Standby top is equipped with test platform plate, and the test platform plate is equipped with cylindrical shielding case, is set in the inside of shielding case There are force balance and structural test piece model；The force balance is connected with structural test piece model by connecting rod, the company Extension bar is fixed by bush support.
- The test device of influence 2. structural air force coefficient preventing test method vehicle according to claim 1 shakes, feature It is：The one side opening of the shielding case is simultaneously sealed by barricade.
- The test device of influence 3. structural air force coefficient preventing test method vehicle according to claim 2 shakes, feature It is：When force balance and structural test piece model level are placed, the barricade passes through connecting rod and right hand sleeves stent It is connected, connecting rod can left and right be flexible in sleeve, and align shielding case and barricade and fixed connecting rod.
- The test device of influence 4. structural air force coefficient preventing test method vehicle according to claim 2 shakes, feature It is：When force balance and structural test piece model are vertically placed, the bush support is arranged on inside equipment cabinet, and connection is surveyed The connecting rod of the gentle structural test piece model in power day can move up and down, and the barricade is arranged on the top of shielding case, and by Connecting rod is fixed with right hand sleeves stent.
- The test of influence 5. the structural air force coefficient preventing test method vehicle according to 3 or 4 any one of claim shakes Device, it is characterised in that：The bush support is equipped with screw, the connecting rod that can be secured across in bush support.
- The test device of influence 6. structural air force coefficient preventing test method vehicle according to claim 2 shakes, feature It is：It seals using plasticine to ensure its shielding properties between the barricade and shielding case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249534.3U CN207439684U (en) | 2017-09-27 | 2017-09-27 | Structural air force coefficient preventing test method vehicle shakes the test device of influence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249534.3U CN207439684U (en) | 2017-09-27 | 2017-09-27 | Structural air force coefficient preventing test method vehicle shakes the test device of influence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439684U true CN207439684U (en) | 2018-06-01 |
Family
ID=62295294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249534.3U Expired - Fee Related CN207439684U (en) | 2017-09-27 | 2017-09-27 | Structural air force coefficient preventing test method vehicle shakes the test device of influence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439684U (en) |
-
2017
- 2017-09-27 CN CN201721249534.3U patent/CN207439684U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20210927 |