CN209841331U - Wind tunnel test device for movable mould frame support system - Google Patents
Wind tunnel test device for movable mould frame support system Download PDFInfo
- Publication number
- CN209841331U CN209841331U CN201920704485.0U CN201920704485U CN209841331U CN 209841331 U CN209841331 U CN 209841331U CN 201920704485 U CN201920704485 U CN 201920704485U CN 209841331 U CN209841331 U CN 209841331U
- Authority
- CN
- China
- Prior art keywords
- wind
- tunnel
- organic glass
- base
- circular platform
- 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.)
- Expired - Fee Related
Links
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The wind tunnel test device of the movable mould frame support system comprises an organic glass circular platform, an outer frame, a base, a wind tunnel turntable and a telescopic rod; the base divide into stiff end and expansion end, the base stiff end be connected with the wind-tunnel bottom plate, the expansion end can free rotation and lift, the circular platform of organic glass be connected with the wind-tunnel carousel through telescopic link, the stiff end of wind-tunnel carousel and base rotate and be connected, outer frame fix on the wind-tunnel carousel. Compared with the prior art, the utility model has more accurate and reliable test result and small error; the organic glass circular platform plays a role of a binary end plate of the testing section, can inhibit the generation of three-dimensional flow at the lower end of the testing section, can isolate the communication between a disturbed flow field below the organic glass circular platform and a flow field above the organic glass circular platform, and ensures that the testing section is positioned in a two-dimensional flow field.
Description
Technical Field
The utility model relates to a wind tunnel test device, especially moving die carrier braced system wind tunnel test device belong to wind tunnel test equipment field.
Background
Accurate measurement of the pneumatic three-component force is important for calculating and expressing the wind load of the movable formwork. At present, the method for obtaining the pneumatic three-component force coefficient of the movable mould base mainly comprises numerical simulation and wind tunnel test, compared with numerical simulation analysis, the wind tunnel test is visual and reliable, various end flow effects can be considered, and the method is a technical means with more applications at present. The pneumatic three-component force test of the movable mould base is that firstly a pneumatic three-component force test platform of a movable mould base segment model is required to be built, at present, most of the methods are that a force measuring balance is directly connected with a wind tunnel turntable, a wind tunnel bottom plate is used as a test platform, three-dimensional flow can be generated at the lower end of a movable mould base segment model test section, and the movable mould base segment model test section cannot be ensured to be in a two-dimensional flow field.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides a convenient operation, accurate moving die carrier braced system wind-tunnel test device of test result.
In order to achieve the above object, the utility model adopts the following technical scheme: the wind tunnel test device of the movable mould frame support system comprises an organic glass circular platform, an outer frame, a base, a wind tunnel turntable and a telescopic rod; the base divide into stiff end and expansion end, the base stiff end be connected with the wind-tunnel bottom plate, the expansion end can free rotation and lift, the circular platform of organic glass be connected with the wind-tunnel carousel through telescopic link, the stiff end of wind-tunnel carousel and base rotate and be connected, outer frame fix on the wind-tunnel carousel.
Preferably, the wind tunnel rotary table further comprises a steel bottom plate fixed on the wind tunnel rotary table, the lower end of the telescopic rod is connected with the steel bottom plate, and the outer frame is fixed on the steel bottom plate.
Preferably, but the telescopic link be the combination of a sleeve and a threaded rod, through rotatory sleeve, adjustable flexible height, and then adjust the distance between organic glass circular platform and the steel bottom plate to satisfy experimental requirement.
Compared with the prior art, the utility model has more accurate and reliable test result and small error; the organic glass circular platform plays a role of a binary end plate of the testing section, can inhibit the generation of three-dimensional flow at the lower end of the testing section, can isolate the communication between a disturbed flow field below the organic glass circular platform and a flow field above the organic glass circular platform, and ensures that the testing section is positioned in a two-dimensional flow field.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a usage state diagram of the present invention.
FIG. 3 is a top view of FIG. 2
Fig. 4 is a schematic structural diagram of a mobile scaffold segment model.
In the figure, 1-wind tunnel floor; 2-a base; 3-a force measuring balance; 4-wind tunnel turntable; 5-a steel bottom plate; 6-organic glass circular platform; 7-a telescopic rod; 9-an outer frame; 10-moving the formwork segment model; 11-a test section; 12-a compensation section; 13-fixed section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4: the wind tunnel test device of the movable mould frame support system comprises an organic glass circular platform 6, an outer frame 9, a base 2, a wind tunnel turntable 4 and a telescopic rod 7; the base 2 is divided into a fixed end and a movable end, the fixed end of the base 2 is connected with the wind tunnel bottom plate 1, the movable end of the base 2 is fixedly connected with the lower end of the force measuring balance 3, the movable end can freely rotate and lift, and the structural design of the base 2 belongs to the part of the prior art; the organic glass round platform 6 is connected with the wind tunnel rotary table 4 through a telescopic rod 7, the wind tunnel rotary table 4 is rotatably connected with the fixed end of the base 2, the organic glass round platform also comprises a steel bottom plate 5 fixed on the wind tunnel rotary table 4, the lower end of the telescopic rod 7 is connected with the steel bottom plate 5, and an outer frame 9 is fixed on the steel bottom plate 5; the telescopic rod 7 is a combination of a sleeve and a threaded rod, the telescopic height can be adjusted by rotating the sleeve, and the distance between the organic glass circular platform 6 and the steel bottom plate 5 is further adjusted to meet the requirements of different test conditions; further comprising a mobile formwork segment model 10, said mobile formwork segment model 10 comprising three parts: the device comprises a testing section 11, a compensation section 12 and a fixing section 13, wherein the compensation section 12 is used for reducing the influence of three-dimensional flow on a force measurement result, the lower end of the fixing section 13 is connected with the upper end of the force measurement balance 3, the upper end of the fixing section 13 is connected with the lower end 11 of the testing section, the compensation section 12 is connected with the middle part of the upper end of the outer frame 9, and the compensation section 12 and the testing section 11 are always in a non-contact state so as to enable the model to be consistent with the actual situation.
The utility model discloses a linkage between each position to the realization is to the experimental purpose of the pneumatic three component of moving die carrier segment model. Before the test, the wind tunnel rotary table is adjusted to zero degree, the rotation angle of the wind tunnel rotary table is adjusted, the wind deflection angle required by the test is adjusted, and the wind tunnel force measurement test of the movable mould frame support system is carried out under the working conditions of the set wind deflection angle and the set wind attack angle by starting the fan. In the test process, an anemometer is used for collecting wind speed time-course data, the pneumatic three-component force applied to the test section is measured by a force measuring balance, and the pneumatic three-component force coefficient of the test section at the set angle is obtained through calculation. Because the wind field close to the ground of the wind tunnel is likely to be interfered and disturbed, a platform is designed to separate the possible interference, and the organic glass circular platform arranged in the experimental device can play a role of a binary end plate on the testing section, thereby not only inhibiting the generation of three-dimensional flow at the lower end of the testing section, but also isolating the communication between the disturbed flow field below the organic glass circular platform and the flow field above the organic glass circular platform and ensuring that the testing section is in a two-dimensional flow field; the circular platform made of the organic glass material is adopted because the test requires that the rigidity of the platform is large enough, and the organic glass has low manufacturing cost and is easy to process.
Claims (3)
1. The wind tunnel test device of the movable mould frame support system is characterized in that: the device comprises an organic glass circular platform, an outer frame, a base, a wind tunnel turntable and a telescopic rod; the base divide into stiff end and expansion end, the base stiff end be connected with the wind-tunnel bottom plate, the expansion end can free rotation and lift, the circular platform of organic glass be connected with the wind-tunnel carousel through telescopic link, the stiff end of wind-tunnel carousel and base rotate and be connected, outer frame fix on the wind-tunnel carousel.
2. The wind tunnel test device for the mobile formwork support system according to claim 1, wherein: the wind tunnel turntable is characterized by further comprising a steel bottom plate fixed on the wind tunnel turntable, the lower end of the telescopic rod is connected with the steel bottom plate, and the outer framework is fixed on the steel bottom plate.
3. The wind tunnel test device for the mobile formwork support system according to claim 1, wherein: the telescopic rod is a combination of a sleeve and a threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704485.0U CN209841331U (en) | 2019-05-15 | 2019-05-15 | Wind tunnel test device for movable mould frame support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704485.0U CN209841331U (en) | 2019-05-15 | 2019-05-15 | Wind tunnel test device for movable mould frame support system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841331U true CN209841331U (en) | 2019-12-24 |
Family
ID=68897392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920704485.0U Expired - Fee Related CN209841331U (en) | 2019-05-15 | 2019-05-15 | Wind tunnel test device for movable mould frame support system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880963A (en) * | 2021-01-18 | 2021-06-01 | 中国空气动力研究与发展中心低速空气动力研究所 | Double-machine supporting device for double-machine oiling wind tunnel test |
| CN113063561A (en) * | 2021-03-29 | 2021-07-02 | 长安大学 | Support testing device in wind tunnel for ensuring binary flow characteristics of segment model |
-
2019
- 2019-05-15 CN CN201920704485.0U patent/CN209841331U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880963A (en) * | 2021-01-18 | 2021-06-01 | 中国空气动力研究与发展中心低速空气动力研究所 | Double-machine supporting device for double-machine oiling wind tunnel test |
| CN112880963B (en) * | 2021-01-18 | 2022-11-04 | 中国空气动力研究与发展中心低速空气动力研究所 | Double-machine supporting device for double-machine oiling wind tunnel test |
| CN113063561A (en) * | 2021-03-29 | 2021-07-02 | 长安大学 | Support testing device in wind tunnel for ensuring binary flow characteristics of segment model |
| CN113063561B (en) * | 2021-03-29 | 2023-08-29 | 长安大学 | Wind tunnel inner support testing device for guaranteeing binary flow characteristics of segment model |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209841331U (en) | Wind tunnel test device for movable mould frame support system | |
| CN102620888B (en) | Heavy vehicle mass and mass center detection device | |
| CN105067240B (en) | A kind of wind load test device and method of testing for moving the lower Transmission Tower-line System of thunderstorm wind effect | |
| CN109307580B (en) | A kind of synchronization gas bullet-wind Tunnel Measuring Pressure Tests device considering aerodynamic interference effect | |
| CN102788660B (en) | Universal mass and centroid measurement platform | |
| CN104614148A (en) | Mobile testing device applied to wind field characteristic wind tunnel test of terrain model | |
| CN206161004U (en) | Instrument place the platform for measurement over strait | |
| CN207179112U (en) | It is a kind of from centering type laser tripod | |
| CN206656700U (en) | The two-in-one detection machine of height diameter | |
| CN209841330U (en) | Wind tunnel test device for door type support system | |
| CN207516050U (en) | Automobile multifunctional testing stand | |
| CN207402745U (en) | General-purpose walking engine mounting stand | |
| CN104792361B (en) | Cone columnar member barycenter, the inclined measurement apparatus of matter | |
| CN208805166U (en) | Die size laser detection mechanism | |
| CN108007642B (en) | Irregular underwater vehicle floating center measuring device and method | |
| CN214893024U (en) | Detection tool for communication foundation pit | |
| CN105043480A (en) | Surface runoff measuring instrument for urban hardened pavement | |
| CN202869816U (en) | Device for motor vehicle roll-over test | |
| CN209841337U (en) | Model support system for realizing double-angle change based on automatic platform | |
| CN202648856U (en) | Open-air crane windproof detecting device | |
| CN112326505B (en) | Cooling tower group water spraying density and cooled water temperature distribution measuring system | |
| CN211148913U (en) | A diversified car device that detects for tunnel lining radar detects | |
| CN207472258U (en) | A kind of Geographic Information Engineering plotting board | |
| CN207364593U (en) | A kind of small-sized weather station instrument apparatus for automatically lifting in field | |
| CN208091883U (en) | A kind of simulating natural condition bituminous concrete tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200710 Address after: 515000, 243, University Road, Jinping District, Guangdong, Shantou Co-patentee after: Hainan Zhongjiao expressway investment and Construction Co.,Ltd. Patentee after: SHANTOU University Address before: 515063, 243, University Road, Jinping District, Guangdong, Shantou Patentee before: SHANTOU University |
|
| 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: 20191224 |