CN205228722U - Wind -tunnel braced system balancing unit - Google Patents
Wind -tunnel braced system balancing unit Download PDFInfo
- Publication number
- CN205228722U CN205228722U CN201520910153.XU CN201520910153U CN205228722U CN 205228722 U CN205228722 U CN 205228722U CN 201520910153 U CN201520910153 U CN 201520910153U CN 205228722 U CN205228722 U CN 205228722U
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- CN
- China
- Prior art keywords
- wind
- cable wire
- stationary platform
- connection block
- pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000009434 installation Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Abstract
The utility model discloses a wind -tunnel braced system balancing unit, including fixed platform, support, connecting rod, balance mechanism, balance mechanism includes support frame, pulley, cable wire and weight, and the support frame is installed on fixed platform, and the upper end of fixed platform's support frame or lower extreme set up two pulleys respectively, and the cable wire is walked around pulley one end and is connected with the interior connecting rod of connecting seat, and the other end is connected to the weight. The utility model discloses can play a balanced action, but play the usefulness of bestirring oneself, play a guard action, the model is under the extreme loading condition, and the model connecting rod may be followed the support and drop, and weight accessible cable wire is held it and is makeed the model damage of can not dropping.
Description
Technical field
The present invention relates to wind tunnel test field, especially relate to a kind of wind-tunnel support system balance device.
Background technology
In wind tunnel test process, generally all adopt stiff end link, test model is connected by the gentle link in sky, and then is fixed in wind-tunnel by stiff end, by changing the stressing conditions of the angle measurement test model between link and stiff end, to reach test objective.In existing wind tunnel test, a lot of bracing or strutting arrangements has been had to realize the test of different angles, in the test process that can complete 6 degree of freedom, traditional mode is directly connected with model aircraft by link, drives implementation model to rotate relative to point of fixity by motor.But because the movement velocity of model is not be consistent in test, sometimes model sport can be accelerated suddenly, various Posture exchange is frequent, and model adopts the mode of semi-girder to be arranged on link, cause the problems such as the balance of system and model, security comparatively outstanding, also there will be between link and stiff end under serious conditions and rupture.
Summary of the invention
The object of this invention is to provide a kind of wind-tunnel support system balance device, good connection effect can be provided and guarantee the safety in process of the test.
For achieving the above object, the present invention adopts following technical scheme:
A kind of wind-tunnel support system balance device, comprise: stationary platform, be arranged on the support below stationary platform, the connecting link be connected with support, balanced controls are on the stationary platform set, described stationary platform lower surface is provided with slide rail, the upper end of support is connected on slide rail, and can slide in the upper end of support in slide rail, Connection Block is provided with between described connecting link and the lower end of support, Connection Block is fixedly connected with the lower end of support, described Connection Block central authorities are provided with through hole, internal thread is provided with in through hole, the link of connecting link is fixedly connected with Connection Block by screw thread, described balanced controls comprise bracing frame, pulley, cable wire and counterweight, bracing frame runs through stationary platform, the upper end of the bracing frame of stationary platform or lower end arrange two pulleys respectively, cable wire is walked around pulley one end and is connected with the connecting link in Connection Block, the other end is connected to counterweight.
In technique scheme, the connection of described stationary platform and pedestal upper end can replace slide rail with hinge.
In technique scheme, stationary platform lower surface is arranged two bracing frames, the installation site of one of them bracing frame is corresponding with the center on Connection Block.
In technique scheme, under static state, the cable wire one end walking around pulley is connected on connecting link the pulley on the bracing frame corresponding with Connection Block center, and the vertical direction of cable wire is vertical with horizontal direction.
In technique scheme, described counterweight is fixed on counterweight slide bar by nut, and the upper end of counterweight slide bar is connected with cable wire.
In technique scheme, four pulleys are fixed pulley.
In technique scheme, described four pulleys are arranged in same level, and cable wire is 90 ° by the angle that pulley is formed.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
This device can play a kind of equilibrium activity, by increase and decrease counterweight, the counterweight of Different Weight and the test model of Different Weight is matched, makes test model can be in balance all the time under different attitude;
But this device can play one and to bestir oneself use, and model is when wind tunnel test, and can vibrate because of the wind effect of carrying, affect the accuracy of measurement data, by the effect of counterweight additional force, can reduce model vibrates simultaneously;
This device can play a kind of protective effect simultaneously, and model is under extreme loading conditions, and model connecting link may come off from support, and counterweight is held by cable wire makes model can not to drop damage;
Say on the whole, this device changes support modes in the past, and platform can be arranged on outside wind tunnel test district by apparatus of the present invention, only needs to be retained in by model part in wind tunnel test district, reduces the impact of whole device on Flow Field in Wind Tunnel to greatest extent.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present invention;
Wherein: 1 is stationary platform, 2 is connection brackets, and 3 is Connection Blocks, and 4 is connecting links, and 5 is cable wires, and 6 is pulleys, and 7 is counterweights, and 8 is bracing frames.
Embodiment
As shown in Figure 1, it is structural representation of the present invention, comprising a stationary platform, be provided with bracing frame on the stationary platform, bracing frame is through stationary platform, surface and lower surface is on the stationary platform made all to have bracing frame, lower surface is provided with two place's bracing frames, the bracing frame top of stationary platform upper surface has two strong points, the strong point of each supporting base end portion fixedly mounts a pulley separately, each pulley is in same level in space, in order to ensure best stressed effect, the angle walked around between the cable wire of pulley and cable wire is 90 °.The below of stationary platform is provided with support, support and stationary platform support adopt the form of slide rail to be connected, namely slide rail is set on the lower surface of stationary platform, slide in the upper end of support in slide rail, certain slide rail also can adopt hinge to replace, and can realize the rotation between support and stationary platform equally.The lower end of support is fixedly connected with Connection Block, and the center of Connection Block is provided with through hole, is provided with internal thread in through hole, and the link outside surface of connecting link is provided with external thread, and the link of connecting link is threadedly attached in the through hole of Connection Block.In the through hole of Connection Block, cable wire is connected to the end of connecting link, and then cable wire walks around pulley successively, finally connects counterweight at free end.Counterweight adopts counterweight slide bar to be fixed by nut, and cable wire is connected on counterweight slide bar, and when needs increase and decrease counterweight, only need to unclamp nut increases or reduce counterweight block on counterweight slide bar.
When needs are tested, by tested model to be connected to the lower end of connecting link by semi-girder, inside, connecting link lower end is provided with rod-type balance.When being placed in Flow Field in Wind Tunnel, air-flow makes model stressed to model effect, and support can rotate on the stationary platform under the drive of motor, and therefore drive connecting link to rotate, connecting link drives model rotation.
Can be subject to the power of all directions in the process that connecting link moves in not stall, and what adopt between connecting link with Connection Block is be threaded, and has great risk to make thread failure, cause connecting link to depart from Connection Block under high-frequency rotation.And cable wire is connected to one end of connecting link, just in time can ensure that connecting link is held by the moment of dockingundocking, reduce security risk.
Certainly, the effect of cable wire and pulley is also to balance, when the model quality that connecting link connects is different, so the power that is subject to of whole system is also different, the power particularly connecting link is subject to, therefore adopt cable wire to be connected on connecting link, connecting link can be balanced by adjustment counterweight and be subject to identical power because model quality is different, reduce the security risk brought because of stressed change.
Stationary platform and holder part can also be arranged on outside wind-tunnel by structure of the present invention, and only reservation connecting link and model are in wind-tunnel.The largest benefit of such setting is just to reduce the impact of whole device on Flow Field in Wind Tunnel, also reduces traditional mode simultaneously and is arranged in wind-tunnel wall, and device and the mutual vibration of wind-tunnel wall are interfered under the influence of the airflow.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (7)
1. a wind-tunnel support system balance device, it is characterized in that comprising: stationary platform, be arranged on the support below stationary platform, the connecting link be connected with support, balanced controls are on the stationary platform set, described stationary platform lower surface is provided with slide rail, the upper end of support is connected on slide rail, and can slide in the upper end of support in slide rail, Connection Block is provided with between described connecting link and the lower end of support, Connection Block is fixedly connected with the lower end of support, described Connection Block central authorities are provided with through hole, internal thread is provided with in through hole, the link of connecting link is fixedly connected with Connection Block by screw thread, described balanced controls comprise bracing frame, pulley, cable wire and counterweight, bracing frame is installed on the stationary platform, the upper end of the bracing frame of stationary platform or lower end arrange two pulleys respectively, cable wire is walked around pulley one end and is connected with the connecting link in Connection Block, the other end is connected to counterweight.
2. a kind of wind-tunnel support system balance device according to claim 1, is characterized in that the connection of described stationary platform and pedestal upper end can replace slide rail with hinge.
3. a kind of wind-tunnel support system balance device according to claim 1, it is characterized in that stationary platform lower surface being arranged two bracing frames, the installation site of one of them bracing frame is corresponding with the center on Connection Block.
4. a kind of wind-tunnel support system balance device according to claim 3, it is characterized in that pulley on the bracing frame corresponding with Connection Block center under static state, the cable wire one end walking around pulley is connected on connecting link, and the vertical direction of cable wire is vertical with horizontal direction.
5. a kind of wind-tunnel support system balance device according to claim 1, it is characterized in that described counterweight is fixed on counterweight slide bar by nut, the upper end of counterweight slide bar is connected with cable wire.
6. a kind of wind-tunnel support system balance device according to claim 1 or 3 or 5, is characterized in that four pulleys are fixed pulley.
7. a kind of wind-tunnel support system balance device according to claim 6, it is characterized in that described four pulleys are arranged in same level, cable wire is 90 ° by the angle that pulley is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910153.XU CN205228722U (en) | 2015-11-13 | 2015-11-13 | Wind -tunnel braced system balancing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910153.XU CN205228722U (en) | 2015-11-13 | 2015-11-13 | Wind -tunnel braced system balancing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228722U true CN205228722U (en) | 2016-05-11 |
Family
ID=55903779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910153.XU Withdrawn - After Issue CN205228722U (en) | 2015-11-13 | 2015-11-13 | Wind -tunnel braced system balancing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205228722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222960A (en) * | 2015-11-13 | 2016-01-06 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of wind-tunnel support system balance device |
-
2015
- 2015-11-13 CN CN201520910153.XU patent/CN205228722U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222960A (en) * | 2015-11-13 | 2016-01-06 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of wind-tunnel support system balance device |
| CN105222960B (en) * | 2015-11-13 | 2018-04-06 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of wind-tunnel support system bascule |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20180406 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20180406 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |