CN107654799A - Wind-tunnel wind resistance tests the ground leg structure of locating platform - Google Patents
Wind-tunnel wind resistance tests the ground leg structure of locating platform Download PDFInfo
- Publication number
- CN107654799A CN107654799A CN201711094112.8A CN201711094112A CN107654799A CN 107654799 A CN107654799 A CN 107654799A CN 201711094112 A CN201711094112 A CN 201711094112A CN 107654799 A CN107654799 A CN 107654799A
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- Prior art keywords
- locating platform
- wind
- ground leg
- leg structure
- sliding block
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
Present invention is disclosed a kind of ground leg structure of wind-tunnel wind resistance experiment locating platform, for holding out against or unclamping locating platform main body, the ground leg structure includes the connecting plate being connected with locating platform main body and motor and guide rail on connecting plate, sliding block switching is slidably mounted on guide rail, and the screw mandrel of motor is connected in sliding block switching.Ground leg structure also includes guide rod, pressing plate, and one end of guide rod is movably mounted in sliding block switching, and the other end of guide rod is arranged on pressing plate.The ground leg structure of wind-tunnel wind resistance experiment locating platform of the present invention is driven using motor, and easy to operate, the stabilization of locating platform is very good, and the measurement accuracy of Pitot tube is high.
Description
Technical field
The invention belongs to wind resistance field of experiment equipment, and in particular to a kind of lower margin knot of wind-tunnel wind resistance experiment locating platform
Structure.
Background technology
When wind-tunnel carries out wind resistance experiment, it is often necessary to measured with Pitot tube convection body speed., it is necessary to will during measurement
Pitot tube is fixed on a certain position in wind-tunnel.If, certainly will by the way of Pitot tube to be welded on to a certain fixed position of wind-tunnel
Pitot tube can be caused not move, and then the height or front and back position of Pitot tube can not be adjusted.Existing wind-tunnel wind resistance experiment
Locating platform primary limitation short stroke position, such as point gum machine, chip mounter.
In the experiment of wind-tunnel wind resistance, vibration problems also often occur in existing locating platform, greatly affected skin support
The measurement accuracy of pipe.
The content of the invention
Can effectively solve locating platform in the experiment of wind-tunnel wind resistance the technical problem to be solved by the invention is to provide a kind of
The ground leg structure of vibration problems, the measurement accuracy of Pitot tube can be improved.
In order to solve the above technical problems, the technical solution adopted by the present invention is, a kind of wind-tunnel wind resistance experiment locating platform
Ground leg structure, for holding out against or unclamping locating platform main body, described ground leg structure includes being connected with the locating platform main body
Connecting plate and motor and guide rail on the connecting plate, sliding block switching be slidably mounted on the guide rail,
The screw mandrel of the motor is connected in the sliding block switching；Described ground leg structure also includes guide rod, pressing plate, the guide rod
One end is movably mounted in the sliding block switching, and the other end of the guide rod is arranged on the pressing plate.
In addition, the present invention also proposes following attached technical scheme.
Preferably, the locating platform main body includes X-direction structure, Y direction structure and Z-direction structure, wherein,
The Y direction structure is connected and can moved in the X-axis direction with the X-direction structure, the Z-direction structure with it is described
Y direction structure is connected and can moved in the Y-axis direction, and described ground leg structure is connected with the Z-direction structure.
Preferably, sliding block is provided with the guide rail, the sliding block can slide relative to the guide rail, the sliding block switching
On the sliding block.
Preferably, the sliding block switching is provided with no oil jacket, and the guide rod is arranged in the no oil jacket.
Preferably, it is arranged with spring on the guide rod.
Preferably, described ground leg structure also includes bottom plate and block rubber, and the one side of the bottom plate is connected to institute by spring
State on pressing plate, the another side of the bottom plate is connected with the block rubber.
Preferably, described ground leg structure also includes sensing chip, and the sensing chip is arranged in sliding block switching.
Preferably, described ground leg structure also includes lower margin positive direction optoelectronic switch, the lower margin being arranged on the connecting plate
Negative direction optoelectronic switch, lower margin origin optoelectronic switch.
Preferably, described ground leg structure also includes limited block, and the limited block is arranged on the end of the guide rail, and locks
On the connecting plate.
Preferably, the motor is linear stepping motor.
Compared to prior art, the advantage of the invention is that：
The present invention is configured leg structure below the Z axis module of locating platform main body, is driven by motor and is connected with spring
Bottom plate under be pressed on floor, hold out against Z axis module, solve wind-tunnel wind resistance experiment in locating platform vibration problems, effectively
Improve the measurement accuracy of Pitot tube.
Brief description of the drawings
Fig. 1 is the schematic perspective view of wind-tunnel wind resistance experiment locating platform.
Fig. 2 is the X-direction structural representation of wind-tunnel wind resistance experiment locating platform.
Fig. 3 is the Y direction structural representation of wind-tunnel wind resistance experiment locating platform.
Fig. 4 is the Z-direction structural representation of wind-tunnel wind resistance experiment locating platform.
Fig. 5 is the lower margin structural representation of wind-tunnel wind resistance experiment locating platform.
Fig. 6 is the schematic diagram of control system.
Wherein,
1.X spindle motor 2.X spindle motor decelerators
3.X spindle motor support 4.X axle positive direction origin optoelectronic switches
5. the fixed blocks of fixed block 5 '
6. the slide of drag chain sheet metal component 7.
7 ', slide 8.X axles negative direction optoelectronic switch
9. the guide rails of guide rail 9 '
10. the power transmission shaft of shaft coupling 11.
12.Y spindle motor 13.Y spindle motor decelerators
The dragging line block of 14.Y axle positive directions optoelectronic switch 15.
16. the drag chain sheet metal component of contiguous block 17.
18. shaft coupling 19.Y axle negative direction optoelectronic switches
20. the slide of section bar 21. is installed
23. the pinboards of pinboard 23 '
24. the motor of screw mandrel 25.
26. the sliding block of motor cabinet 27. is transferred
28. the guide rod of spring 29.
30. the block rubber of pressing plate 31.
32. the spring of bottom plate 33.
34. the lower margin positive direction optoelectronic switch of limited block 35.
36. the sensing chip of guide rail 37.
38. the lower margin negative direction optoelectronic switch of lower margin origin optoelectronic switch 39.
40. the wireless flat controller of connecting plate 41.
42.PLC 43.X spindle motor drivers
44.Y spindle motor driver 45.Z spindle motor drivers
46. lower margin motor driver 50.Z spindle motors
51. the slide of reinforcement 52.
53.L shape block 100.X Axle mould groups
100 ' .X Axle mould group 200.Y Axle mould groups
300.Z Axle mould groups
Embodiment
Technical solution of the present invention is further non-limitingly described in detail below in conjunction with preferred embodiment and its accompanying drawing.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is put, is for only for ease of and describes the present invention, rather than the device or element of instruction or hint meaning must be with specific
Orientation or with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by middle device.For the common of this area
For technical staff, the implication of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figures 1 to 5, a kind of wind-tunnel wind resistance experiment locating platform, for installing Pitot tube.The wind-tunnel wind resistance is tested
Locating platform includes locating platform main body and the ground leg structure for holding out against or unclamping locating platform main body.
Locating platform main body includes X-direction structure, Y direction structure, Z-direction structure.Y direction structure and X-axis
Direction structure is connected and can moved in the X-axis direction, and Z-direction structure is connected with Y direction structure and can moved in the Y-axis direction
Dynamic, Pitot tube is arranged in Z-direction structure and can moved in the Z-axis direction.Ground leg structure is connected with Z-direction structure.
As depicted in figs. 1 and 2, X-direction structure includes left and right two X-axis modules 100,100 ' arranged in parallel,
Power transmission shaft 11, X-axis motor 1.The X-axis module of left and right two 100,100 ' is bolted to by fixed block 5, fixed block 5 ' respectively
On the ceiling of wind-tunnel.When installation and regulating bolt, it is to be ensured that the X-axis module 100 of left and right two, 100 ' keeping parallelisms.Preferably,
Fixed block 5, fixed block 5 ' are L-shaped, and certain fixed block 5, fixed block 5 ' can also be other shapes for realizing the effect that is connected
Shape.
Connected between two X-axis modules 100,100 ' by power transmission shaft 11.The left end of power transmission shaft 11 is connected by shaft coupling 10
It is connected on X-axis motor reducer 2, X-axis motor reducer 2 and X-axis motor 1 are fixed on the X-axis on the left side by X-axis electric machine support 3
On module 100.The right-hand member of power transmission shaft 11 is connected to by shaft coupling 18 on the X-axis module 100 ' on the right.
The outside of one in two X-axis modules 100,100 ' is provided with neck.In the present embodiment, select on the left side
The outside of X-axis module 100 sets neck.It can certainly select the outside of X-axis module 100 ' on the right that neck is set, not
Depart from present inventive concept.X-axis positive direction origin optoelectronic switch 4, X-axis negative direction optoelectronic switch 8 and drag chain metal plate are installed in neck
Golden part 6.Preferably, X-axis positive direction origin optoelectronic switch 4, X-axis negative direction optoelectronic switch 8 and drag chain sheet metal component 6 pass through bolt
It is fixed in the neck of the side of X-axis module 100 on the left side.
The inner side of the X-axis module of left and right two 100,100 ' is respectively arranged with neck, and guide rail 9 is separately installed with neck, is led
Rail 9 '.Guide rail 9, guide rail 9 ' are above provided with the sliding block that can be slided relative to guide rail 9, guide rail 9 '.It is respectively fixedly connected with sliding block
There are slide 7, slide 7 '.Slide 7, slide 7 ' can follow sliding block along be arranged on left and right two X-axis modules 100,100 ' on
Guide rail 9, guide rail 9 ', slide back and forth according to X-direction.
Preferably, guide rail 9, guide rail 9 ' are line slideway.Wind-tunnel wind resistance experiment locating platform leading using side installation
Rail 9, guide rail 9 ', it is ensured that stability during tangential stress.
Shown in Figure 3, Y direction structure includes Y-axis module 200, the installation section bar being be arranged in parallel with Y-axis module 200
20 and y-axis motor 12, y-axis motor decelerator 13.Y-axis module 200 fixes isometric section bar 18 by square contiguous block 16,
For suppressing the deformation of vertical direction in the motion process of Y-axis module 200.
The left end of installation section bar 20 is connected blending bolt locking, mount type by pinboard 23 with the left end of Y-axis module 200
The right-hand member of material 20 is connected blending bolt locking by pinboard 23 ' with the right-hand member of Y-axis module 200.Y-axis module 200 and mount type
The left end of material 20 is connected blending bolt locking by pinboard 23 with slide 7, and Y-axis module 200 leads to installing the right-hand member of section bar 20
Cross pinboard 23 ' and blending bolt locking is connected with slide 7 '.
Because slide 7, slide 7 ' can follow sliding block along the guide rail being arranged on the two X-axis modules 100,100 ' in left and right
9th, guide rail 9 ', slid back and forth according to X-direction, so Y-axis module 200 can be with relative to X-axis module with installation section bar 20
100th, 100 ', slid back and forth according to X-direction.
The side of Y-axis module 200 is provided with neck, Y-axis positive direction origin optoelectronic switch 14, Y-axis negative direction optoelectronic switch
19 and drag chain sheet metal component 17 be bolted in the neck of the side of Y-axis module 200.
Guide rail is provided with installation section bar 20, slide 21 is movably connected on the guide rail of Y-axis module 200, installation section bar 20,
That is slide 21 can horizontally slip along Y-axis module 200 and the guide rail of installation section bar 20 according to Y direction.Slide 21
One end be connected with dragging line block 15.
Shown in Figure 4, Z-direction structure includes Z axis module 300, the motor 50 being connected on Z axis module 300.L-shaped
Block 53 links together reinforcement 51 and Z axis module 300.
Slide 52 is movably attached on Z axis module 300, and Pitot tube is arranged on slide 52, that is to say, that Pitot tube
It can be slided up and down along Z axis module 300 according to Z-direction.During assembling, Z axis module 300 is fixedly connected on slide 21,
And reinforcement 51 is installed, for suppressing the creep in the motion process of Z axis module 300.
Because slide 21 can horizontally slip along Y-axis module 200, the guide rail of installation section bar 20 according to Y direction, institute
So that Z axis module 300 can be to follow slide 21 along Y-axis module 200, install the guide rail of section bar 20, according to Y direction or so
Slide.
Shown in Figure 5, ground leg structure includes the connecting plate 40 that is fixedly connected with Z axis module 300 and installed in being connected
Motor 25, guide rail 36 on plate 40.Preferably, motor 25 is linear stepping motor.
During assembling, connecting plate 40 is bolted to the end of Z axis module 300, motor cabinet 26 is installed to connection
On plate 40, motor 25 is installed on motor cabinet 26.After the completion of above-mentioned assembling, guide rail 36 is arranged on connecting plate 40, it is excellent
Choosing, guide rail 36 is line slideway.To ensure the registration of Z axis module 300, guide rail 36, which is necessary to ensure that, is installed on vertical direction.
Being provided with guide rail 36 can be with respect to the sliding block of its slip.
Limited block 34 is arranged on the end of guide rail 36 and is locked at by bolt on connecting plate 40.By lower margin positive direction light
Electric switch 35, lower margin negative direction optoelectronic switch 39, lower margin origin optoelectronic switch 38 are arranged on connecting plate 40, and ensure to be arranged on
On straight line.Lower margin positive direction optoelectronic switch 35, the installation site of lower margin negative direction optoelectronic switch 39 are lower margin structure motion
Extreme position.
After the completion of above-mentioned assembling, sliding block switching 27 is arranged on the sliding block of guide rail 36, by through the screw mandrel 24 of motor 25
End screw rod be arranged on sliding block switching 27 on.Sensing chip 37 is installed in sliding block switching 27.
Afterwards, spring 28 is enclosed on guide rod 29, and is directed to bar 29 installed in sliding block switching 27 without in oil jacket.Lead
Pad is fixed with bolt on to bar 29 and blocks no oil jacket, and guide rod 29 can slide up and down in without oil jacket.Spring 28 also may be used
Think other flexible members that its function arbitrarily can be achieved.Preferably, after installation, guide rod 29 be arranged in parallel with guide rail 36.
After the completion of above-mentioned assembling, the other end of bar 29 is directed in pressing plate 30, one end of spring 33 is passed through into bolt
On pressing plate 30, the other end of spring 33 is arranged on bottom plate 32, blending bolt locking.Block rubber 31 is used into glue afterwards
It is bonded on bottom plate 32.Preferably, the quantity of spring 33 is 4.Spring 33 can also be other quantity, all without departing from invention structure
Think.Spring 33 can also be the flexible member that its function arbitrarily can be achieved in other.
Be below ground leg structure operation principle be.
When the positive direction movement buttons for pinning motor 25 in wireless flat controller 41, when the positive direction of motor 25 rotates, silk
Bar 24 pushes down on sliding block switching 27 and moved downward along guide rail 36, and guide rod 29 slides in sliding block switching 27 is without oil jacket, rubber
Spring 28 compresses after block 31 holds out against floor, by the compression spring 33 of pressing plate 30, after block rubber 31 is held out against, and release button,
Therefore the elastic state between leg structure and ground can send pulsed quantity regulation according to controller.Lower margin positive direction optoelectronic switch
35 be that positive direction is protected, and after sensing chip 37 contacts with lower margin positive direction optoelectronic switch 35, reaches the positive direction extreme position of restriction.
When repositioning or resetting, the negative direction movement buttons of motor 25 in wireless flat controller 41, control are pinned
The negative direction of motor 25 rotates, and screw mandrel 24 brings up sliding block switching 27 and moves along guide rail 36 and move upwards, and guide rod 29 is in sliding block turn
Connect 27 without being slided in oil jacket, spring 28, spring 33 reset, between block rubber 31 and floor depart from hold out against release button after state
.After sensing chip 37 contacts with lower margin negative direction optoelectronic switch 39, the negative direction extreme position of restriction is reached.
During reset, because lower margin origin optoelectronic switch 38 acts on, ground leg structure just returns to origin position.
It is shown in Figure 6, a kind of control system is disclosed, for controlling wind-tunnel wind resistance to test locating platform, including it is wireless
Flat panel controller 41, PLC 42, X-axis motor driver 43, y-axis motor driver 44, Z axis motor driver 45, lower margin motor
Driver 46 etc..
Wireless flat controller 41 is host computer, and PLC 42 is slave computer, transmits number by Modbus agreements between the two
According to and instruction, using wireless WIFI connections.X-axis motor driver 43 forms a closed-loop control system, Y-axis with X-axis motor 1
Motor driver 44 forms a closed-loop control system with y-axis motor 12, and Z axis motor driver 45 is formed with Z axis motor 50
One closed-loop control system, lower margin motor driver 46 form a closed-loop control system with motor 25.
Control system and the operation principle of wind-tunnel wind resistance experiment locating platform are as follows.
PLC 42 drive in a pulsed fashion X-axis motor driver 43, y-axis motor driver 44, Z axis motor driver 45 with
And lower margin motor driver 46, so as to drive X-axis motor 1, y-axis motor 12, Z axis motor 50,25 turns of lower margin motor respectively
It is dynamic.
The rotation of X-axis motor 1 can drive Y-axis module 200 by slide 7, slide 7 ', respectively along being arranged on X-axis module
100th, the guide rail 9 on 100 ', guide rail 9 ', slide back and forth according to X-direction.The rotation of y-axis motor 12 can drive Z axis module 300
By slide 21, along Y-axis module 200 and the guide rail of installation section bar 20, horizontally slipped according to Y direction.Z axis motor 50
The slide 52 that rotating can make to be arranged on Z axis module 300 moves up and down along Z-direction (vertical direction), and then drives installation
Pitot tube on slide 52 moves up and down.The rotation of motor 25 can cause ground leg structure and floor between realize hold out against state or
Person, which departs from, holds out against state.
Number of pulses determines the turnning circle of each motor, and pulse frequency determines the velocity of rotation of each motor.X-axis motor
Encoder, y-axis motor encoder, Z axis motor encoder can be by real time position feedbacks to PLC 42, by control software in nothing
Displaing coordinate position on line flat panel controller 41.
Wind-tunnel wind resistance experiment locating platform ride in X-axis module 100,100 ' sides installation guide rail 9, guide rail 9 ', with Y-axis
The parallel upper mounting rail of installation section bar 20 of module 200, the existing simple limitation using the motion of straight line module is broken through, solved
Cause the creep and vibrations of module during long stroke, caused by positioning precision inaccuracy the problem of.
Wind-tunnel wind resistance experiment locating platform sets the ground leg structure that can be held out against below Z axis module 300, is driven by motor 25
It is pressed under the dynamic bottom plate 32 being connected with spring 33 on floor, holds out against Z axis module 300, solves the shake in the experiment of wind-tunnel wind resistance
Dynamic problem.
Control program is to use wireless flat controller 41, is connected using WIFI, passes through the glass window outside wind-tunnel
Mouth operation wireless flat, to control wind-tunnel wind resistance experiment locating platform to be tested, control accuracy is higher.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Allow person skilled in the art to understand present disclosure and implement according to this, the protection of the present invention can not be limited with this
Scope.Any equivalent change or modification in accordance with the spirit of the invention, it should all be included within the scope of the present invention.
Claims (10)
1. a kind of ground leg structure of wind-tunnel wind resistance experiment locating platform, for holding out against or unclamping locating platform main body, its feature
It is：
Described ground leg structure includes the connecting plate (40) being connected with the locating platform main body and installed in the connecting plate
(40) motor (25) and guide rail (36) on, sliding block switching (27) are slidably mounted on the guide rail (36), the motor
(25) screw mandrel (24) is connected on the sliding block switching (27)；
Described ground leg structure also includes guide rod (29), pressing plate (30), and one end of the guide rod (29) is movably mounted at
On the sliding block switching (27), the other end of the guide rod (29) is arranged on the pressing plate (30).
2. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The positioning is flat
Platform main body includes X-direction structure, Y direction structure and Z-direction structure, wherein, the Y direction structure and the X-axis
Direction structure is connected and can moved in the X-axis direction, and the Z-direction structure is connected with the Y direction structure and can be in Y-axis
Side is moved up, and described ground leg structure is connected with the Z-direction structure.
3. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The guide rail
(36) sliding block is provided with, the sliding block can slide relative to the guide rail (36), and the sliding block switching (27) is arranged on described
On sliding block.
4. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The sliding block turns
Connect (27) and be provided with no oil jacket, the guide rod (29) is arranged in the no oil jacket.
5. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The guide rod
(29) spring (28) is arranged with.
6. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The lower margin knot
Structure also includes bottom plate (32) and block rubber (31), and the one side of the bottom plate (32) is connected to the pressing plate (30) by spring (33)
On, the another side of the bottom plate (32) is connected with the block rubber (31).
7. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The lower margin knot
Structure also includes sensing chip (37), and the sensing chip (37) is arranged in sliding block switching (27).
8. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The lower margin knot
Structure also includes lower margin positive direction optoelectronic switch (35), the lower margin negative direction optoelectronic switch being arranged on the connecting plate (40)
(39), lower margin origin optoelectronic switch (38).
9. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The lower margin knot
Structure also includes limited block (34), and the limited block (34) is arranged on the end of the guide rail (36), and is locked at the connecting plate
(40) on.
10. the ground leg structure of wind-tunnel wind resistance experiment locating platform according to claim 1, it is characterised in that：The motor
(25) it is linear stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094112.8A CN107654799B (en) | 2017-11-08 | 2017-11-08 | Foot structure of wind tunnel wind-resistant experiment positioning platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094112.8A CN107654799B (en) | 2017-11-08 | 2017-11-08 | Foot structure of wind tunnel wind-resistant experiment positioning platform |
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| CN107654799B CN107654799B (en) | 2023-04-04 |
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| CN104568374A (en) * | 2014-12-12 | 2015-04-29 | 中国航空工业集团公司北京长城计量测试技术研究所 | Device for calibrating geometric quantity of static calibration table of wind tunnel balance |
| CN204775177U (en) * | 2015-07-24 | 2015-11-18 | 南京晨光集团有限责任公司 | Big load leveling landing leg based on ball |
| CN205027506U (en) * | 2015-10-14 | 2016-02-10 | 中国水产科学研究院东海水产研究所 | Automatic adjust device of fishing tackle model experiment operating mode |
| CN106517008A (en) * | 2016-11-21 | 2017-03-22 | 广西大学 | Mechanical support leg |
| CN207935647U (en) * | 2017-11-08 | 2018-10-02 | 苏州大学 | Wind-tunnel wind resistance tests the ground leg structure of locating platform |
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