CN207923410U - A kind of mounting device of model in wind tunnel - Google Patents
A kind of mounting device of model in wind tunnel Download PDFInfo
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- CN207923410U CN207923410U CN201820446315.2U CN201820446315U CN207923410U CN 207923410 U CN207923410 U CN 207923410U CN 201820446315 U CN201820446315 U CN 201820446315U CN 207923410 U CN207923410 U CN 207923410U
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- strut
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- balance
- dynamometry
- workbench
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Abstract
The utility model discloses a kind of mounting devices of model in wind tunnel, including：Workbench with holes, both ends are removably connected with strut support fixture；Strut, both ends are fixed on by strut support fixture on workbench with holes；Balance is connect by chock tension mode with strut；Dynamometry model comprising dynamometry model front end and dynamometry model rear end；Dynamometry model rear end passes through stretching screw and day flushconnection；Regulated power supply is arranged on workbench with holes, and the feeder ear of the rolling moment element of balance connect and powers with regulated power supply；Digital display external application table is arranged on workbench with holes, and the signal end of balance is connected with digital display external application table；Inclinator is connected on strut or dynamometry model to measure the posture roll angle of strut or dynamometry model.The utility model realizes the positioning and tension of dynamometry model and balance in the case where ensuring that balance rolling moment is no more than design load, simply realizes that dynamometry model is accurately installed with balance.
Description
Technical field
The utility model belongs to Aero-Space test technical field, and in particular to a kind of installation dress of model in wind tunnel
It sets, easy to operate, rolling moment suffered by balance is controllable in installation process, realizes the accurate installation of test model.
Background technology
With the development of China's Aerospace Technology, the aerodynamics force measurement precision requirement of aerospace craft is higher and higher.In height
In supersonic speed dynamometer check, the installation error between model and balance is one of important errors source of aerodynamics force measurement error, because
This reduces model and the installation error of balance is particularly significant.According to dynamometer check flow, first carry out balance calibration, obtains balance
Then model is mounted on balance by the attitude angle (roll angle) of work formula and strut, ensure model attitude rolling direction
It is horizontal.During the installation process, other than ensureing model attitude and requiring, it is also to be ensured that when model and balance tense, suffered by balance
The not super design load of rolling moment.Therefore, for ensure model installation accuracy and balance safety, need a kind of reliable
Simple model mounting device, be capable of the adjustment and fixation of implementation model posture, while ensureing that the rolling moment suffered by balance can
Control.
Utility model content
One purpose of the utility model is to solve at least the above and/or defect, and provide and at least will be described later
The advantages of.
In order to realize these purposes and other advantages according to the present utility model, a kind of peace of model in wind tunnel is provided
Assembling device, including：
Workbench with holes, both ends are removably connected with strut support fixture；
Strut, both ends are fixed on by strut support fixture on workbench with holes；
Balance is connected by one end of chock tension mode and strut；
Dynamometry model comprising the dynamometry model front end and dynamometry model rear end being detachably connected；After the dynamometry model
End passes through stretching screw and day flushconnection；
Regulated power supply is arranged on workbench with holes, feeder ear and the voltage stabilizing electricity of the rolling moment element of the balance
Source connects and powers；
Digital display external application table for the output for showing balance rolling moment element is arranged on workbench with holes, described
The signal end of balance is connected with digital display external application table；
Inclinator is detachably connected on strut or dynamometry model to measure the posture rolling of strut or dynamometry model
Angle.
Preferably, the strut support fixture is that screw rod is connect with the detachable connection of workbench with holes.
Preferably, the strut support fixture includes：Strut support seat is I-shaped structure, the strut branch
The top of support seat is connected with strut pressing plate by the first screw rod, is both provided on the top of the strut support seat and strut pressing plate
Curved surface for fixing strut boattail；The bottom of the strut support seat is connected with strut bottom plate by the second screw rod, described
The bottom of strut support seat is provided with " V " shape face；The strut bottom plate is formed with " V " shape face for fixing strut equal diameter section
Fixed structure；The strut support clamp structure at the both ends of the workbench with holes is identical, but placement location is opposite.
Preferably, the detachable connection of dynamometry model front end and dynamometry model rear end is to be threadedly coupled.
Preferably, dynamometry model rear end is in such a way that stretching screw is connect with balance：The dynamometry model
It is provided with balance clamping bench in rear end, balance mounting hole is provided on the balance clamping bench, the end set of the balance has
Threaded hole；The balance passes through balance mounting hole, and is connected by the matching of stretching screw and threaded hole balance being fixed on day
On flat clamping bench；It is provided with gasket between the stretching screw and balance clamping bench.
Preferably, the stretching screw is interior hexagonal cylindrical head screw rod.
The utility model includes at least following advantageous effect：(1) the utility model passes through the installation with strut support fixture
Platform, it can be achieved that strut Installation posture when dynamometry model is installed with balance calibration when it is identical；(2) during the installation process, it surveys
When power model is fastened with day flushconnection, screw rod is tightened by spanner clockwise, while to hold dynamometry model back segment counterclockwise with hand-tight
Method firmly can effectively control the rolling moment suffered by balance；(3) installation by being shown with digital multimeter and inclinator
Platform, model attitude is horizontal after can guarantee installation, while ensuring that balance rolling moment is no more than design load when installation；(4) originally
Utility model ensure balance rolling moment be no more than design load in the case of realize dynamometry model and balance positioning and
It tenses, simply realizes that dynamometry model is accurately installed with balance.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the mounting device of model in wind tunnel described in the utility model；
Fig. 2 is the sectional view of the utility model dynamometry model and balance connection structure；
Fig. 3 is the structural schematic diagram of strut support fixture described in the utility model；
Fig. 4 is the structural schematic diagram of strut described in the utility model；
Strut posture structural schematic diagram when Fig. 5 is the utility model balance calibration；
Fig. 6 is structural schematic diagram when the utility model strut is installed；
Fig. 7 is structural schematic diagram when the utility model dynamometry model is installed.
Specific implementation mode：
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
Fig. 1~4 show a kind of mounting device of model in wind tunnel of the utility model, including：
Workbench 4 with holes, both ends are removably connected with strut support fixture 6；
Strut 3, both ends are fixed on by strut support fixture 6 on workbench 4 with holes；
Balance 2 is connect by 15 tension mode of chock with one end of strut 3；
Dynamometry model 1 comprising the dynamometry model front end 11 and dynamometry model rear end 12 being detachably connected；The dynamometry mould
Type rear end 12 is connect by stretching screw 13 with balance 2；
Regulated power supply 7 is arranged on workbench 4 with holes, the feeder ear of the rolling moment element of the balance 2 and voltage stabilizing
Power supply 7 is connected and is powered；
Digital display external application table 8 for the output for showing balance rolling moment element is arranged on workbench 4 with holes, institute
The signal end for stating balance 2 is connected with digital display external application table 8；Inclinator 5 is detachably connected on strut 3 or dynamometry model 1 to survey
Determine the posture roll angle of strut 3 or dynamometry model 1；
In model installation process, screw up with a wrench stretching screw, while observing the rolling moment that digital display multimeter is shown
The output of element realizes dynamometry model and balance in the case where ensureing that rolling moment output is no more than design load output
It tenses and is connected；
In the above-mentioned technical solutions, the detachable connection of the strut support fixture 6 and workbench 4 with holes is screw rod
Connection, in this way, facilitates the dismounting of strut support fixture 6 to install.
In the above-mentioned technical solutions, as shown in figure 3, the strut support fixture includes：Strut support seat 62, for " work "
The top of character form structure, the strut support seat 62 is connected with strut pressing plate 61, the strut support seat by the first screw rod 64
The curved surface 66 for fixing strut boattail 32 is both provided on 62 top and strut pressing plate 61；The strut support seat 62
Curved surface 66 on top and strut pressing plate 61 forms the fixed structure for fixing strut boattail；The strut support seat 62
Bottom is connected with strut bottom plate 63 by the second screw rod 65, and the bottom of the strut support seat 62 is provided with " V " shape face 67；It is described
Strut bottom plate 63 forms the fixed structure for fixing strut equal diameter section 31 with " V " shape face 67；The two of the workbench with holes 4
6 structure of strut support fixture at end is identical, but placement location is on the contrary, be the strut support fixture for fixing strut boattail
Strut bottom plate is connect with workbench with holes by the second screw rod；Strut for the strut support fixture for fixing strut equal diameter section
Pressing plate is connect with workbench with holes by the first screw rod；Wherein, strut support seat and strut pressing plate, strut support seat and strut bottom
The distance between plate can be adjusted by the first screw rod and the second screw rod, it is ensured that strut can in the Installation posture of strut support fixture
It is identical when adjusting with balance calibration.
In the above-mentioned technical solutions, the detachable connection of dynamometry model front end and dynamometry model rear end is screw thread
Connection, in this way, installation easy to disassemble.
In the above-mentioned technical solutions, as shown in Fig. 2, dynamometry model rear end 12 is connect with balance by stretching screw 13
Mode be：It is provided with balance clamping bench 121 in dynamometry model rear end 12, day is provided on the balance clamping bench 121
The end set of flat mounting hole, the balance has threaded hole；The balance pass through balance mounting hole, and by stretching screw 13 with
Balance is fixed on balance clamping bench 121 by the matching connection of threaded hole；Between the stretching screw 13 and balance clamping bench 121
It is provided with gasket 14.
In the above-mentioned technical solutions, the stretching screw 13 is interior hexagonal cylindrical head screw rod, in this way, in dynamometry
During model is installed with balance, stretching screw is tightened by allen wrench clockwise, while dynamometry model is held with hand-tight
Back segment is exerted oneself counterclockwise, and dynamometry model back segment is fastenedly connected with balance.
A kind of installation method of the mounting device of model in wind tunnel of the utility model, includes the following steps：
Step 1: being calibrated to balance, during balance calibration, as shown in figure 5, balance 2 has passed through key with strut 3
Positioning and chock 15 tense connection, and inclinator 5 is connected on strut 3, and the posture roll angle γ of strut 3 is obtained by inclinator 5, lead to
Balance calibration is crossed, the corresponding output Δ UMx of design load of balance rolling moment Mx is obtained；
Step 2: as shown in fig. 6, strut 3 is installed on platform 4 with holes, by strut support fixture 6 by strut tail cone
Portion 32 and strut equal diameter section 31 are fixed, while strut in the roll angle of guarantee 3 top rade instrument 5 of strut display at this time and step 1
Roll angle is equal；
Step 3: as shown in fig. 7, inclinator 5 is positioned over dynamometry mould by dynamometry model back segment 12 on balance 2
On the reference platform of type 1, the feeder ear of balance rolling moment Mx components and signal end are connected respectively to regulated power supply 7 and number
On multimeter 8, the output UMx of balance rolling moment at this time is write down, stretching screw 13 is tightened by allen wrench 31 clockwise,
Dynamometry model back segment 12 is held with hand-tight counterclockwise firmly, dynamometry model back segment 12 is fastenedly connected with balance 2 simultaneously；Observe inclination angle
The roll angle γ that instrument 5 is shown, it is ensured that roll angle γ controls are within 3 '；The rolling moment signal that digital multimeter 8 is shown is observed,
Ensure output control within (UMx- Δs UMx, UMx+ Δ UMx)；
Step 4: dynamometry model leading portion 11 is connect with dynamometry model back segment 12, that is, realize dynamometry model 1 and balance 2
Installation.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of mounting device of model in wind tunnel, which is characterized in that including：
Workbench with holes, both ends are removably connected with strut support fixture；
Strut, both ends are fixed on by strut support fixture on workbench with holes；
Balance is connected by one end of chock tension mode and strut；
Dynamometry model comprising the dynamometry model front end and dynamometry model rear end being detachably connected；Dynamometry model rear end is logical
Cross stretching screw and day flushconnection；
Regulated power supply is arranged on workbench with holes, and feeder ear and the regulated power supply of the rolling moment element of the balance connect
It connects and powers；
Digital display external application table for the output for showing balance rolling moment element is arranged on workbench with holes, the balance
Signal end be connected with digital display external application table；
Inclinator is detachably connected on strut or dynamometry model to measure the posture roll angle of strut or dynamometry model.
2. the mounting device of model in wind tunnel as described in claim 1, which is characterized in that the strut support fixture and band
The detachable connection of hole workbench connects for screw rod.
3. the mounting device of model in wind tunnel as described in claim 1, which is characterized in that the strut support fixture packet
It includes：Strut support seat is I-shaped structure, and the top of the strut support seat is connected with strut pressure by the first screw rod
Plate is both provided with the curved surface for fixing strut boattail on the top of the strut support seat and strut pressing plate；The strut
The bottom of support base is connected with strut bottom plate by the second screw rod, and the bottom of the strut support seat is provided with " V " shape face；It is described
Strut bottom plate forms the fixed structure for fixing strut equal diameter section with " V " shape face；The branch at the both ends of the workbench with holes
Bar support fixture structure is identical, but placement location is opposite.
4. the mounting device of model in wind tunnel as described in claim 1, which is characterized in that dynamometry model front end and survey
The detachable connection of power model rear end is to be threadedly coupled.
5. the mounting device of model in wind tunnel as described in claim 1, which is characterized in that dynamometry model rear end and day
It is flat to be by way of stretching screw connection：Balance clamping bench, the balance clamping bench are provided in dynamometry model rear end
On be provided with balance mounting hole, the end set of the balance has threaded hole；The balance passes through balance mounting hole, and passes through drawing
Balance is fixed on balance clamping bench by the matching connection of tight screw rod and threaded hole；Between the stretching screw and balance clamping bench
It is provided with gasket.
6. the mounting device of model in wind tunnel as described in claim 1, which is characterized in that the stretching screw is interior hexagonal
Socket cap screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820446315.2U CN207923410U (en) | 2018-03-30 | 2018-03-30 | A kind of mounting device of model in wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820446315.2U CN207923410U (en) | 2018-03-30 | 2018-03-30 | A kind of mounting device of model in wind tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN207923410U true CN207923410U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820446315.2U Active CN207923410U (en) | 2018-03-30 | 2018-03-30 | A kind of mounting device of model in wind tunnel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760230A (en) * | 2018-03-30 | 2018-11-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of mounting device and installation method of model in wind tunnel |
| CN110207938A (en) * | 2019-06-14 | 2019-09-06 | 北京空天技术研究所 | Ventilating model force measuring method under free jet tunnel experimental condition |
| CN113029509A (en) * | 2021-03-26 | 2021-06-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | Shock tunnel thrust measurement test device |
-
2018
- 2018-03-30 CN CN201820446315.2U patent/CN207923410U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760230A (en) * | 2018-03-30 | 2018-11-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of mounting device and installation method of model in wind tunnel |
| CN108760230B (en) * | 2018-03-30 | 2023-08-22 | 中国空气动力研究与发展中心超高速空气动力研究所 | Device and method for installing wind tunnel test model |
| CN110207938A (en) * | 2019-06-14 | 2019-09-06 | 北京空天技术研究所 | Ventilating model force measuring method under free jet tunnel experimental condition |
| CN113029509A (en) * | 2021-03-26 | 2021-06-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | Shock tunnel thrust measurement test device |
| CN113029509B (en) * | 2021-03-26 | 2022-04-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | Shock tunnel thrust measurement test device |
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