CN201697777U - Vehicle wind tunnel balance transfer system - Google Patents
Vehicle wind tunnel balance transfer system Download PDFInfo
- Publication number
- CN201697777U CN201697777U CN2010202145089U CN201020214508U CN201697777U CN 201697777 U CN201697777 U CN 201697777U CN 2010202145089 U CN2010202145089 U CN 2010202145089U CN 201020214508 U CN201020214508 U CN 201020214508U CN 201697777 U CN201697777 U CN 201697777U
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Abstract
The utility model discloses a vehicle wind tunnel balance transfer system. The utility model is characterized in that a bearing bar (7) is disposed at the bottom of a wood supporting board (1); a plurality of wood filling rods (2) are laterally disposed on the wood supporting board (1) and the bearing bar (7); a front wheel fastening rod (4) and a rear wheel fastening rod (3) are alternatively arranged among the plurality of wood filling rods (2); a T-shaped slot is disposed at the front wheel fastening rod (4); the front wheel pressure plate (9) of a front wheel fixed part (5) is connected to a first rectangular nut (11) through a first sunk screw (10); the first rectangular nut (11) is arranged in the T-shaped slot of the front wheel fixed part (5); a T-shaped slot is disposed on the rear wheel fixed part (3); the L-shaped pressure plate (12) of a rear wheel fixed part (6) is connected to a second rectangular nut (14) through a second sunk screw (13); the second rectangular nut (14) is disposed in the T-shaped slot of the rear wheel fixed part (3); a transfer base (15) is disposed on the bearing bar (7). The utility model has advantages of being suitable for the aerodynamic force measurement of an automobile scale model with different specifications in wheel axle distance, possessing simple structure and reliable performance.
Description
Technical field
The utility model relates to a kind of adapting system, particularly relates to a kind of vehicle wind tunnel scale commutating system.
Background technology
The automobile force balance at Hunan University Wind Engineering experimental study center is only applicable to wheelspan between 260mm～650mm, and the aerodynamic force of the automobile scale model of wheelbase between 480mm～1000mm is measured.Yet, the wheel base of commercial car scale models such as many trucies, lorry, motorbus has all surpassed above-mentioned scope, therefore be necessary to design a cover balance adapting system, realizing the aerodynamic force experiment with measuring of the isometric wheelbase automobile of commercial car scale model, and assess, optimize the aerodynamic performance of these automobiles thus.
The utility model content
Technical problem to be solved in the utility model provides the vehicle wind tunnel scale commutating system that a kind of aerodynamic force of automobile scale model of the wheel base that can be applicable to different size is measured.
In order to solve the problems of the technologies described above, the vehicle wind tunnel scale commutating system that the utility model provides, the bottom of wood back up pad is equipped with carrier strip, many wood strips packing adopts removable fasteners laterally to be installed on described wooden back up pad and the carrier strip, the front vehicle wheel bracket is alternate with the rear wheel fixed strip to be installed in many described wooden packings centres and to adopt removable fasteners to be installed on described wooden back up pad and the carrier strip, described front vehicle wheel bracket is provided with T type groove, the front-wheel pressing plate of front-wheel fixture is connected with the first rectangle nut by first sunk screw, the described first rectangle nut is placed in the T type groove of described front-wheel fixture, described rear wheel fixed strip is provided with T type groove, the L type pressing plate of trailing wheel fixture is connected with the second rectangle nut by second sunk screw, the described second rectangle nut is placed in the T type groove of described rear wheel fixed strip, is furnished with the adapter that is connected with the support column of former balance on the described carrier strip.
Described removable fasteners is a trip bolt.
Adopt the vehicle wind tunnel scale commutating system of technique scheme, measure the wheel base of model to be measured earlier, allow the central point of front-wheel drop on just in the T type groove of front vehicle wheel fixed strip during installation, be fixed with the front-wheel fixture, trailing wheel is fixed with the trailing wheel fixture, should guarantee as far as possible after the installation that the vertical plane of symmetry of model overlaps with the vertical plane of symmetry of wind-tunnel.Forward and backward wheel fixed strip and each wooden packing can exchange, to realize adjusting the wheel base that meets different models.The adapter of arranging on the carrier strip is connected with the support column of former balance, the transmission of realizable force, thereby the pneumatic force measurement of implementation model.
In sum, the utility model is that a kind of aerodynamic force of automobile scale model of the wheel base that can be applicable to different size is measured and vehicle wind tunnel scale commutating system simple in structure, dependable performance.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is a left view of the present utility model;
Fig. 3 is a stereographic map of the present utility model;
Fig. 4 is a rear isometric view of the present utility model;
Fig. 5 is the structural representation of carrier strip of the present utility model;
Fig. 6 is a wheel fixed strip structural representation of the present utility model;
Fig. 7 is a packing structural representation of the present utility model;
Fig. 8 is a trailing wheel anchor structure synoptic diagram of the present utility model;
Fig. 9 is a front-wheel anchor structure synoptic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the bottom of wood back up pad 1 is equipped with carrier strip 7, be furnished with the adapter 15 that is connected with the support column of former balance on the carrier strip 7, many wood strips packing 2 adopts trip bolt 16 laterally to be installed on wooden back up pad 1 and the carrier strip 7, front vehicle wheel bracket 4 and rear wheel fixed strip 3 be alternate to be installed in the middle of many wood strips packing 2 and to adopt trip bolt 16 to be installed on wooden back up pad 1 and the carrier strip 7, front vehicle wheel bracket 4 is provided with T type groove, the front-wheel pressing plate 9 of front-wheel fixture 5 is connected with the first rectangle nut 11 by first sunk screw 10, the first rectangle nut 11 is placed in the T type groove of front-wheel fixture 5, rear wheel fixed strip 3 is provided with T type groove, the L type pressing plate 12 of trailing wheel fixture 6 is connected with the second rectangle nut 14 by second sunk screw 13, and the second rectangle nut 14 is placed in the T type groove of rear wheel fixed strip 3.
Referring to Fig. 1 and Fig. 3, wooden back up pad 1: be used to place tested model, be used to simulate the floor simultaneously, upward laterally open multiple-grooved wooden packing 2 and front vehicle wheel bracket 4 and rear wheel fixed strip 3 are installed.As Fig. 7, wooden packing 2: be used to fill and lead up the groove that front vehicle wheel bracket 4 and rear wheel fixed strip 3 are not installed on the wooden back up pad 1, connect with wooden back up pad 1 and carrier strip 7 by trip bolt 16.As Fig. 6, front vehicle wheel bracket 4 and rear wheel fixed strip 3: the wheel fixed strip has T type groove, is used for fixing the wheel of model, also connects with wooden back up pad 1 and carrier strip 7 by trip bolt 16.As Fig. 9, front-wheel fixture 5: front-wheel fixture 5 is made up of front-wheel pressing plate 9, the first rectangle nut 11, first sunk screw 10, the front-wheel 17 that is used for fixing model to be measured, the first rectangle nut 11 is placed in the T type groove of front vehicle wheel bracket 4, can be free to slide, after the front-wheel 17 of model places, allow front-wheel pressing plate 9 be close to front-wheel 17, and first sunk screw 10 is screwed into the first rectangle nut 11, be screwed on the front-wheel 17 with sunk screw in addition simultaneously and bore in advance in the good screw, so just fixed front-wheel 17.As Fig. 8, trailing wheel fixture 6: trailing wheel fixture 6 is made up of L type pressing plate 12, the second rectangle nut 14, second sunk screw 13, the trailing wheel 8 that is used for fixing model, the second rectangle nut 14 is placed in the T type groove of rear wheel fixed strip 3 equally, after the trailing wheel 8 of model places, allow L type pressing plate 12 be close to trailing wheel 8, and carry tight second sunk screw 13 and can fix trailing wheel 8.As Fig. 5, carrier strip 7: the main body of carrier strip 7 is made of channel-section steel, to guarantee the integral rigidity of adapting system, and directly bear the weight of model to be measured and wooden back up pad 1, be welded with adapter 15 on the carrier strip 7, be connected with supporting of former balance, realize carrying and power transmission by adapter 15.
Using method of the present utility model:
Measure the wheel base of model to be measured earlier, allow the central point of front-wheel 17 drop on just in the T type groove of front vehicle wheel bracket 4 (as shown in Figure 1) during installation, be fixed with front-wheel fixture 4, trailing wheel 8 usefulness trailing wheel fixtures 3 are fixing, should guarantee as far as possible after the installation that the vertical plane of symmetry of model overlaps with the vertical plane of symmetry of wind-tunnel.Front vehicle wheel bracket 4, rear wheel fixed strip 3 and each wooden packing 2 can exchange, to realize meeting the wheel base of different models.The adapter of arranging on the carrier strip 7 15 is connected the transmission of realizable force, thereby the pneumatic force measurement of implementation model with the support column of former balance.
Size 2400mm of the present utility model * 1200mm * 19mm can adapt to maximum axle spacing 2000mm, the wind tunnel test of the automobile scale model of maximum wheelspan 1200mm.
Claims (2)
1. vehicle wind tunnel scale commutating system, it is characterized in that: the bottom of wooden back up pad (1) is equipped with carrier strip (7), many wood strips packing (2) adopts removable fasteners laterally to be installed on described wooden back up pad (1) and the carrier strip (7), front vehicle wheel bracket (4) is alternate with rear wheel fixed strip (3) to be installed in many described wooden packings (2) centre and to adopt removable fasteners to be installed on described wooden back up pad (1) and the carrier strip (7), described front vehicle wheel bracket (4) is provided with T type groove, the front-wheel pressing plate (9) of front-wheel fixture (5) is connected with the first rectangle nut (11) by first sunk screw (10), the described first rectangle nut (11) is placed in the T type groove of described front-wheel fixture (5), described rear wheel fixed strip (3) is provided with T type groove, the L type pressing plate (12) of trailing wheel fixture (6) is connected with the second rectangle nut (14) by second sunk screw (13), the described second rectangle nut (14) is placed in the T type groove of described rear wheel fixed strip (3), is furnished with the adapter (15) that is connected with the support column of former balance on the described carrier strip (7).
2. vehicle wind tunnel scale commutating system according to claim 1 is characterized in that: described removable fasteners is trip bolt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202145089U CN201697777U (en) | 2010-06-03 | 2010-06-03 | Vehicle wind tunnel balance transfer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202145089U CN201697777U (en) | 2010-06-03 | 2010-06-03 | Vehicle wind tunnel balance transfer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697777U true CN201697777U (en) | 2011-01-05 |
Family
ID=43399024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202145089U Expired - Fee Related CN201697777U (en) | 2010-06-03 | 2010-06-03 | Vehicle wind tunnel balance transfer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876587A (en) * | 2010-06-03 | 2010-11-03 | 湖南大学 | Vehicle wind tunnel scale commutating system |
| CN108168834A (en) * | 2018-02-07 | 2018-06-15 | 广州大学 | A kind of switching device of multi-model high frequency base balance experiment |
-
2010
- 2010-06-03 CN CN2010202145089U patent/CN201697777U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876587A (en) * | 2010-06-03 | 2010-11-03 | 湖南大学 | Vehicle wind tunnel scale commutating system |
| CN108168834A (en) * | 2018-02-07 | 2018-06-15 | 广州大学 | A kind of switching device of multi-model high frequency base balance experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130603 |