CN203672590U - Train model for train wind tunnel test - Google Patents
Train model for train wind tunnel test Download PDFInfo
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- CN203672590U CN203672590U CN201320837324.1U CN201320837324U CN203672590U CN 203672590 U CN203672590 U CN 203672590U CN 201320837324 U CN201320837324 U CN 201320837324U CN 203672590 U CN203672590 U CN 203672590U
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Abstract
The utility model provides a train model for a train wind tunnel test; the train model comprises a train body and a headform segment; a surface, used for attaching with the headform segment, of the train body is provided with a first positioning plate; a surface, used for attaching with the train body, of the headform segment is provided with a second positioning plate; either the first positioning plate or the second positioning plate is provided with a positioning groove, and the other positioning plate is provided with a positioning boss matched with the positioning groove. In installation, the headform segment and the train body can realize pre-positioning through matching the positioning boss with the positioning groove, so the train body and the headform segment can be accurately positioned and installed; furthermore, the pre-positioning of the positioning boss and the positioning groove can also improve mounting efficiency of the train body and the headform segment.
Description
Technical field
The utility model relates to vehicles experimental technique field, particularly a kind of train wind tunnel test train model.
Background technology
Along with the quickening of Chinese society expanding economy and rhythm of life, inter-city rail transit has become the intercity topmost instrument of taking.
Along with the progressively raising of bullet train travelling speed, some aerodynamic force problems more and more highlight, comprise aerodynamic drag, beam wind effect, meeting effect, tunnel effect and aerodynamic noise etc., therefore, carry out aerodynamics Study on Problems and there is very important realistic meaning for improve security, stability and the comfortableness of bullet train and saving energy and reduce the cost etc.
The aerodynamics problem of High-speed Train, adopts the methods such as model wind tunnel test, moving model experiment, numerical simulation calculation and real vehicle line test conventionally at present.Wherein, wind tunnel test is one of topmost means of High-speed Train aerodynamics problem.
Train wind tunnel test generally need to be carried out the ratio choosing of multiple head dummy sections, so in order to save experimentation cost, head dummy section and vehicle body split need to be produced, then both is linked together.At present, in the time of assembling, conventionally vehicle body and head dummy section are directly linked together, this makes vehicle body lower with the precision being connected of head dummy section, has affected the result of test.
Therefore, how providing a kind of train wind tunnel test train model, to improve the precision of connection, is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of train wind tunnel test train model, to improve the precision of connection.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of train wind tunnel test train model, comprise vehicle body and head dummy section, wherein, on the face that described vehicle body is used for fitting with described head dummy section, be provided with the first location-plate, on the face that described head dummy section is used for fitting with described vehicle body, be provided with the second location-plate, and in described the first location-plate and the second location-plate, in one, be provided with detent, in another one, be provided with the positioning boss coordinating with described detent.
Preferably, in above-mentioned train model, described detent is arranged on the first location-plate, and described positioning boss is arranged on described the second location-plate.
Preferably, in above-mentioned train model, the side of described positioning boss is dip plane, and the sidewall of described detent is the inclined wall coordinating with described dip plane.
Preferably, in above-mentioned train model, also comprise and being arranged in described vehicle body and head dummy section, for the back up pad of support column vehicle model, and in described back up pad, be provided with multiple support posts.
Preferably, in above-mentioned train model, also comprise force balance and piezometric tube, and the lead-in wire of described force balance and the lead-in wire of described piezometric tube be arranged in described back up pad inside, and derive by support post.
Preferably, in above-mentioned train model, described vehicle body and head dummy section include steel skeleton and generation wooden finished surface
The utility model provides a kind of train wind tunnel test train model, comprise vehicle body and head dummy section, wherein, on the face that this vehicle body is used for fitting with head dummy section, be provided with the first location-plate, and be provided with the second location-plate on the face that head dummy section is used for fitting with vehicle body, and in the first location-plate and the second top board, in one, be provided with detent, and in another one, be provided with the positioning boss coordinating with this detent.When installation, head dummy section is realized to pre-determined bit with vehicle body by coordinating of positioning boss and detent, to improve the accurate location and installation of vehicle body and head dummy section, in addition, also can improve the installation effectiveness of vehicle body and head dummy section by the pre-determined bit of positioning boss and detent.
Brief description of the drawings
The partial structurtes schematic diagram of the head dummy section that Fig. 1 provides for the utility model embodiment;
The structural representation of the vehicle body that Fig. 2 provides for the utility model embodiment;
The structural representation that the positioning boss that Fig. 3 provides for the utility model embodiment and detent coordinate;
The composition structural representation of the vehicle body that Fig. 4 provides for the utility model embodiment;
The structural representation of the back up pad that Fig. 5 provides for the utility model embodiment;
The structural representation of the vehicle body that back up pad is installed that Fig. 6 provides for the utility model embodiment;
The structural representation of the roadbed that Fig. 7 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of train wind tunnel test train model, to improve the precision of connection.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with drawings and embodiments, the utility model is described in further detail.
Please refer to shown in Fig. 1-Fig. 6, the utility model embodiment discloses a kind of train wind tunnel test train model, and it comprises vehicle body 2 and head dummy section 1.Wherein, this vehicle body 2 is for being provided with the first location-plate 21 on the face of fitting with head dummy section 1, and head dummy section 1 is for being provided with the second location-plate 11 on the face of fitting with vehicle body 2.In order to realize the quick location and installation of vehicle body 2 and head dummy section 1, be provided with detent 22 at the first location-plate 21 and the second location-plate 11 on any one, correspondingly, in another one, be provided with positioning boss 12, and this positioning boss 12 can coordinate with detent 22, to realize pre-determined bit.
When installation, head dummy section 1 is realized to pre-determined bit with vehicle body 2 by coordinating of positioning boss 12 and detent 22, to improve the accurate location and installation of vehicle body 2 and head dummy section 1, in addition, also can improve the installation effectiveness of vehicle body 2 and head dummy section 1 by positioning boss 12 and the pre-determined bit of detent 22.
Particularly; detent 22 is arranged on the first location-plate 21; and positioning boss 12 is arranged on the second location-plate 11; only be to provide the particular location of a kind of detent 22 and positioning boss 12 herein; also the position of positioning boss 12 and detent 22 can be exchanged in practice, and also in protection domain.
The precision coordinating in order to increase positioning boss 12 and detent 22, in the application, the side of positioning boss 12 is set to dip plane, and correspondingly, the sidewall of detent 22 is set to the inclined wall coordinating with this dip plane.By the face that the sidewall of positioning boss 12 and detent 22 is all set to tilt, not only can increase the contact area of positioning boss 12 and detent 22, also can limit by the direction tilting both installation directions, further to improve installation accuracy and efficiency.
On the basis of technique scheme, the back up pad 3 for support column vehicle model is also provided in the vehicle body 2 providing in the application and head dummy section 1, and in this back up pad 3, is provided with multiple support posts 31.Can realize multi-point support by multiple support posts 31 are set, improve the stability of this train model in process of the test, thereby improve the accuracy of test.Number and distributing position for support post 31 can be set according to actual needs, and all in protection domain.Preferably, four support posts 31 are set in each back up pad 3, and these four support posts 31 arrange with square position, to improve the stability of supporting vertical plate 31.
Further in embodiment, this train model also comprises the force balance that measurement aerodynamic force is used and measures the piezometric tube that train model surface pressing is used, it focuses on, force balance and piezometric tube utilize the cabling mode of back up pad 3, by the lead-in wire of force balance and piezometric tube all at the inner cabling of back up pad 3.The train model providing in the application comprises force balance and piezometric tube simultaneously, therefore, when can realizing aerodynamic force and model surface pressure, measures.
In order to reduce the impact on car body flow field, in preferred embodiment, the lead-in wire of the extension line of force balance and piezometric tube is arranged in to the inside of back up pad 3, and derives by support post 31.The application all stashes the lead-in wire of force balance and piezometric tube, not only can make whole train model attractive in appearance, can also protect the safety of lead-in wire, improves serviceable life.Can avoid the circuit of force balance and piezometric tube to exert an influence near flow field model by support post 31 cablings, thereby improve the accuracy of test.
In order further to optimize technique scheme, the vehicle body 2 that the application provides and head dummy section 1 include the surface of steel skeleton 23 and generation wood processing, and Dai Muwei can machine work resin plate.Steel skeleton 23 can ensure the requirement of strength of whole vehicle body 2 or head dummy section 1, and substitute materials for wood is easy to processing and not yielding, therefore, can reduce production costs, warranty test precision.In practice, can require to select according to the intensity of train model and experimental enviroment the train model of different materials, and all in protection domain.
As shown in Figure 7, on this basis, for roadbed 4 formal parameters and with the assembly relation of train model, in different train wind tunnel tests, need under same boundary conditions, select, to ensure the comparability of different tests structure.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a train wind tunnel test train model, comprise vehicle body (2) and head dummy section (1), it is characterized in that, described vehicle body (2) for the face of described head dummy section (1) laminating on be provided with the first location-plate (21), described head dummy section (1) for the face of described vehicle body (2) laminating on be provided with the second location-plate (11), and in described the first location-plate (21) and the second location-plate (11), in one, be provided with detent (22), in another one, be provided with the positioning boss (12) coordinating with described detent (22).
2. train model according to claim 1, is characterized in that, it is upper that described detent (22) is arranged on the first location-plate (21), and described positioning boss (12) is arranged on described the second location-plate (11).
3. train model according to claim 2, is characterized in that, the side of described positioning boss (12) is dip plane, and the sidewall of described detent (22) is the inclined wall coordinating with described dip plane.
4. train model according to claim 1, is characterized in that, also comprises and being arranged in described vehicle body (2) and head dummy section (1), for the back up pad (3) of support column vehicle model, and in described back up pad (3), is provided with multiple support posts (31).
5. train model according to claim 4, is characterized in that, also comprises force balance and piezometric tube, and the lead-in wire of described force balance and the lead-in wire of described piezometric tube be arranged in described back up pad (3) inside, and derives by support post (31).
6. according to the train model described in claim 1-5 any one, it is characterized in that, described vehicle body (2) and head dummy section (1) include steel skeleton (23) and generation wooden finished surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837324.1U CN203672590U (en) | 2013-12-18 | 2013-12-18 | Train model for train wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837324.1U CN203672590U (en) | 2013-12-18 | 2013-12-18 | Train model for train wind tunnel test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672590U true CN203672590U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837324.1U Withdrawn - After Issue CN203672590U (en) | 2013-12-18 | 2013-12-18 | Train model for train wind tunnel test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674473A (en) * | 2013-12-18 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Train model for train wind tunnel test |
| CN108414183A (en) * | 2018-03-07 | 2018-08-17 | 中车长春轨道客车股份有限公司 | A kind of bullet train wind-tunnel testing standard model roadbed |
| CN115371951A (en) * | 2022-10-25 | 2022-11-22 | 中南大学 | Moving model train and assembling method thereof |
-
2013
- 2013-12-18 CN CN201320837324.1U patent/CN203672590U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674473A (en) * | 2013-12-18 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Train model for train wind tunnel test |
| CN103674473B (en) * | 2013-12-18 | 2016-03-23 | 南车青岛四方机车车辆股份有限公司 | A kind of train model for train wind tunnel test |
| CN108414183A (en) * | 2018-03-07 | 2018-08-17 | 中车长春轨道客车股份有限公司 | A kind of bullet train wind-tunnel testing standard model roadbed |
| CN115371951A (en) * | 2022-10-25 | 2022-11-22 | 中南大学 | Moving model train and assembling method thereof |
| CN115371951B (en) * | 2022-10-25 | 2023-01-24 | 中南大学 | Moving model train and assembling method thereof |
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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: 20140625 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |