CN208887888U - Driving device is surveyed in supersonic wind tunnel flow field school - Google Patents
Driving device is surveyed in supersonic wind tunnel flow field school Download PDFInfo
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- CN208887888U CN208887888U CN201821932139.XU CN201821932139U CN208887888U CN 208887888 U CN208887888 U CN 208887888U CN 201821932139 U CN201821932139 U CN 201821932139U CN 208887888 U CN208887888 U CN 208887888U
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- flow field
- wind tunnel
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- supersonic wind
- tunnel flow
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Abstract
The utility model discloses a kind of supersonic wind tunnel flow field schools to survey driving device, comprising: support frame；Rack shaft is slidably arranged on support frame；Communtation deceleration device, communtation deceleration device on connection gear fixed on the support frame by attachment device；The engagement of wheel and rack axis connects；Servo motor, the input axis connection of motor shaft and communtation deceleration device, and communtation deceleration device are located at the windward side of supersonic wind tunnel flow field school survey, and servo motor is located at the leeward of communtation deceleration device；The stagnation pressure cross comb of the other end connection supersonic wind tunnel flow field school survey of rack shaft, stagnation pressure cross comb are located in supersonic wind tunnel flow field calibration test section.It using communtation deceleration device, arranges motor downstream direction, is placed in communtation deceleration device leeward, reduces flow field congestion degree, reduce impact of the shock wave to motor when starting is cut-off, improve the stability of stream school driving device structure.
Description
Technical field
The utility model relates to aerospace flow field calibration of wind tunnel fields, more particularly, to a kind of supersonic wind tunnel flow field school
Survey driving device.
Background technique
Supersonic wind tunnel flow field school, which is surveyed, to be generally axially moved using stagnation pressure cross comb along wind-tunnel, and wind tunnel test process is obtained
The pressure of different cross section in middle test section.Currently, the driving device and driving form of stagnation pressure cross comb are as follows: servo motor 20 →
Harmonic gear reducer 30 → rack-and-pinion, 100 → stagnation pressure comb 50, middle bracket 40 is for connecting servo motor and harmonic wave tooth
Wheel decelerator, as shown in Figure 5.Servo motor uses lateral arrangement in wind-tunnel, and motor starts perpendicular to direction of flow in wind-tunnel
And during cut-offfing, shock wave oscillation is very big to electromechanical shock, seriously affects the stability of stream calibration device structure.Lateral arrangement simultaneously
Motor increases flow field congestion degree, and incoming flow stagnation pressure needed for causing wind-tunnel to start will increase accordingly, and increases wind tunnel body, stream school
The components such as equipment bear load.
Utility model content
One purpose of the utility model is to solve at least the above problems 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 supersonic wind tunnel flow field school is provided
Survey driving device characterized by comprising
Support frame；
Rack shaft is slidably arranged on support frame；
Communtation deceleration device, it is fixed on the support frame by attachment device, it is connected on the output shaft of the communtation deceleration device
Gear；The engagement of wheel and rack axis one end connects；
Servo motor, the input axis connection with communtation deceleration device, and the communtation deceleration device is located at supersonic wind tunnel stream
The windward side that field school is surveyed, the servo motor are located at the leeward of communtation deceleration device；
Wherein, the output shaft of the servo motor is arranged in parallel with rack shaft, the output shaft and tooth of the communtation deceleration device
Axis is vertically arranged；The stagnation pressure cross comb of the other end connection supersonic wind tunnel flow field school survey of the rack shaft, it is described total
Pressure cross comb is located in supersonic wind tunnel flow field calibration test section.
Preferably, pointed head structure is connected in the windward side of the communtation deceleration device.
Preferably, the pointed head structure is pyramidal structure.
Preferably, the communtation deceleration device is planetary reduction gear.
Preferably, the servo motor is connected to servo controller, and the servo controller is connected to master controller.
Preferably, the master controller is embedded controller.
Preferably, the servo motor is DC servo motor.
Preferably, support frame as described above is fixed on supersonic wind tunnel flow field calibration test by upper connection frame and lower connection frame
On the entrance axial direction of section；And the upper connection frame and lower connection frame are fixed in supersonic wind tunnel flow field calibration test section.
Preferably, support frame as described above is arc plate structure, and strip through-hole, institute are provided in the middle part of the arc plate structure
The upper and lower part for stating arc plate structure is provided with mounting bar hole；The rack shaft passes through strip through-hole and is turned by gear
It is dynamic rack shaft to be driven to slide in strip through-hole；One end of the attachment device is connected to
Preferably, the attachment device includes: L-type plate and straight line connecting plate, the one side and communtation deceleration of the L-type plate
Device connection, another side are connect with one end of straight line connecting plate, the mounting bar on the other end and support frame of the straight line connecting plate
Hole connection.
In the present invention, the servo-driver is commercially available any money servo-driver, preferably times good fortune AX5112
Type driver；The embedded controller is commercially available any money embedded controller, preferably times good fortune C6920 type；The planet
Retarder is commercially available any money planetary reduction gear, the PW210L3-100-P2-S2-RL-T type precision planet of preferably Niu Sidate
Retarder；Servo motor is commercially available any money servo motor, preferably times light-duty DC servo motor of good fortune AM8053 type；
The utility model is include at least the following beneficial effects: compared with prior art, being changed since the utility model uses
To retarder, arranges motor downstream direction, be placed in communtation deceleration device leeward, reduce flow field congestion degree, reduce
Impact of the shock wave to motor when starting is cut-off, improves the stability of stream school driving device structure.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention:
Fig. 1 is the positive structure schematic that driving device is surveyed in the utility model supersonic wind tunnel flow field school；
Fig. 2 is the structure schematic diagram that driving device is surveyed in the utility model supersonic wind tunnel flow field school；
Fig. 3 is the overall structure diagram that driving device is surveyed in the utility model supersonic wind tunnel flow field school；
Fig. 4 is the overall structure diagram (no test section) that driving device is surveyed in the utility model supersonic wind tunnel flow field school；
Fig. 5 is that the structural schematic diagram of driving device is surveyed in the supersonic wind tunnel flow field school of the prior art.
Specific embodiment:
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
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.
Driving device is surveyed in a kind of supersonic wind tunnel flow field school that Fig. 1~4 show the utility model, comprising:
Support frame 1；
Rack shaft 2 is slidably arranged on support frame 1；
Communtation deceleration device 3 is fixed on support frame 1, the output shaft 31 of the communtation deceleration device 3 by attachment device 4
Upper connection gear 5；The gear 5 engages connection with the sawtooth 21 of 2 one end of rack shaft；
Servo motor 6, the input axis connection with communtation deceleration device 3, and the communtation deceleration device 3 is located at supersonic wind tunnel
The windward side that flow field school is surveyed, the servo motor 6 are located at the leeward of communtation deceleration device 3；
Wherein, the output shaft of the servo motor 6 is arranged in parallel with rack shaft 2, the output shaft of the communtation deceleration device 3
31 are vertically arranged with rack shaft 2；The stagnation pressure cross comb of the other end connection supersonic wind tunnel flow field school survey of the rack shaft 2
7, the stagnation pressure cross comb 7 is located in supersonic wind tunnel flow field calibration test section 8.
In this technical solution, when carrying out the survey of supersonic wind tunnel flow field school, is rotated, watched by driving servo motor 6
It takes motor 6 to drive communtation deceleration device 3 to slow down and commutate 90 °, passes through the 5 driving rack axis 2 of gear being installed on communtation deceleration device
It moves forward and backward, realizes that stagnation pressure cross comb along test chamber axial-movement, completes supersonic flow field pressure measurement, the technical side
Case uses communtation deceleration device, arranges servo motor downstream direction, is placed in communtation deceleration device leeward, reduces flow field
Congestion degree reduces impact of the shock wave to servo motor when starting is cut-off, improves the stability of stream school driving device structure.
In the above-mentioned technical solutions, it is connected with pointed head structure 9 in the windward side of the communtation deceleration device 3, adopted
In this way, flow field congestion degree can be further decreased, impact of the shock wave to servo motor when starting is cut-off is reduced.
In the above-mentioned technical solutions, the pointed head structure 9 is that pyramidal structure in this way can be further
Reduce flow field congestion degree, reduces impact of the shock wave to servo motor when starting is cut-off.
In the above-mentioned technical solutions, the communtation deceleration device is planetary reduction gear, and in this way, planetary reduction gear can
It is commutated and is exported with effective realization.
In the above-mentioned technical solutions, the servo motor is connected to servo-driver 10, and the servo-driver 10 connects
To master controller 11, the master controller is embedded controller；The servo motor is DC servo motor, using this side
Formula issues control instruction to servo-driver by master controller, and servo-driver is rotated according to order-driven servo motor, watched
Taking motor drives communtation deceleration device to slow down and commutate 90 °.
In the above-mentioned technical solutions, support frame as described above 1 is fixed on supersonic speed by upper connection frame 101 and lower connection frame 102
On the entrance axial direction of flow field calibration of wind tunnel test section 8；And the upper connection frame 101 and lower connection frame 102 are fixed on ultrasound
On fast flow field calibration of wind tunnel test section 8.
In the above-mentioned technical solutions, support frame as described above 1 is arc plate structure, is provided with item in the middle part of the arc plate structure
Shape through-hole 103, the upper and lower part of the arc plate structure are provided with mounting bar hole 104；The rack shaft 2 passes through bar shaped
Through-hole 103 and rack shaft 2 can be driven to slide in strip through-hole 103 by the rotation of gear 5, in this way, Ke Yifang
Just the fixation of realization rack shaft and communtation deceleration device on the support frame.
In the above-mentioned technical solutions, the attachment device 4 includes: L-type plate 41 and straight line connecting plate 42, the L-type plate 41
One side connect with communtation deceleration device 3, another side is connect with one end of straight line connecting plate 42, the straight line connecting plate 42 it is another
End is connect with the mounting bar hole 104 on 1 top of support frame, in this way, realizes communtation deceleration device in the fixation of support frame
Connection.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
Supersonic wind tunnel flow field school survey the application of driving device, modifications and variations are apparent to one skilled in the art
's.
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 (10)
1. driving device is surveyed in a kind of supersonic wind tunnel flow field school characterized by comprising
Support frame；
Rack shaft is slidably arranged on support frame；
Communtation deceleration device, the output shaft of the communtation deceleration device on connection gear fixed on the support frame by attachment device；
The engagement of wheel and rack axis one end connects；
Servo motor, the input axis connection of motor shaft and communtation deceleration device, and the communtation deceleration device is located at supersonic wind tunnel
The windward side that flow field school is surveyed, the servo motor are located at the leeward of communtation deceleration device；
Wherein, the output shaft of the servo motor is arranged in parallel with rack shaft, the output shaft and rack shaft of the communtation deceleration device
It is vertically arranged；The stagnation pressure cross comb of the other end connection supersonic wind tunnel flow field school survey of the rack shaft, the stagnation pressure ten
Word comb is located in supersonic wind tunnel flow field calibration test section.
2. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that in the communtation deceleration device
Windward side be connected with pointed head structure.
3. driving device is surveyed in supersonic wind tunnel flow field as claimed in claim 2 school, which is characterized in that the pointed head structure
For pyramidal structure.
4. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that the communtation deceleration device is
Planetary reduction gear.
5. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that the servo motor connection
To servo-driver, the servo-driver is connected to master controller.
6. driving device is surveyed in supersonic wind tunnel flow field as claimed in claim 5 school, which is characterized in that the master controller is embedding
Enter formula controller.
7. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that the servo motor is straight
Flow servo motor.
8. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that support frame as described above passes through upper
Connection frame and lower connection frame are fixed on the entrance axial direction of supersonic wind tunnel flow field calibration test section；And the upper connection frame
It is fixed in supersonic wind tunnel flow field calibration test section with lower connection frame.
9. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that support frame as described above is arc
Hardened structure is provided with strip through-hole in the middle part of the arc plate structure, and the upper and lower part of the arc plate structure is provided with
Mounting bar hole；The rack shaft passes through strip through-hole and rack shaft can be driven to slide in strip through-hole by the rotation of gear.
10. driving device is surveyed in supersonic wind tunnel flow field as described in claim 1 school, which is characterized in that the attachment device packet
Include: the one side of L-type plate and straight line connecting plate, the L-type plate is connect with communtation deceleration device, one end of another side and straight line connecting plate
It connects, the mounting bar hole connection on the other end and support frame of the straight line connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932139.XU CN208887888U (en) | 2018-11-22 | 2018-11-22 | Driving device is surveyed in supersonic wind tunnel flow field school |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932139.XU CN208887888U (en) | 2018-11-22 | 2018-11-22 | Driving device is surveyed in supersonic wind tunnel flow field school |
Publications (1)
| Publication Number | Publication Date |
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| CN208887888U true CN208887888U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821932139.XU Active CN208887888U (en) | 2018-11-22 | 2018-11-22 | Driving device is surveyed in supersonic wind tunnel flow field school |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213069A (en) * | 2020-10-12 | 2021-01-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | Flow field calibration and measurement bent frame with cooling structure for hypersonic high-temperature wind tunnel |
| CN113029505A (en) * | 2021-03-12 | 2021-06-25 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel flow field mobile measuring device |
| CN114295315A (en) * | 2021-11-15 | 2022-04-08 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Flow field calibration and measurement device applicable to small and medium-sized cross supersonic wind tunnel |
| CN114486156A (en) * | 2021-12-28 | 2022-05-13 | 中国航天空气动力技术研究院 | Environmental wind tunnel flow field calibration and measurement system |
-
2018
- 2018-11-22 CN CN201821932139.XU patent/CN208887888U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213069A (en) * | 2020-10-12 | 2021-01-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | Flow field calibration and measurement bent frame with cooling structure for hypersonic high-temperature wind tunnel |
| CN113029505A (en) * | 2021-03-12 | 2021-06-25 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel flow field mobile measuring device |
| CN113029505B (en) * | 2021-03-12 | 2023-07-04 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel flow field mobile measurement device |
| CN114295315A (en) * | 2021-11-15 | 2022-04-08 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Flow field calibration and measurement device applicable to small and medium-sized cross supersonic wind tunnel |
| CN114486156A (en) * | 2021-12-28 | 2022-05-13 | 中国航天空气动力技术研究院 | Environmental wind tunnel flow field calibration and measurement system |
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