CN208366623U - A kind of blower for automotive test simulation wind resistance - Google Patents
A kind of blower for automotive test simulation wind resistance Download PDFInfo
- Publication number
- CN208366623U CN208366623U CN201820843508.1U CN201820843508U CN208366623U CN 208366623 U CN208366623 U CN 208366623U CN 201820843508 U CN201820843508 U CN 201820843508U CN 208366623 U CN208366623 U CN 208366623U
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- China
- Prior art keywords
- wall
- fixed
- pedestal
- variable
- air duct
- 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
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to blower technical fields, disclose a kind of blower for automotive test simulation wind resistance, including pedestal, four rolling is hinged on pedestal, pedestal is equipped with fan assembly and elevating mechanism, fan assembly includes the air duct being fixed on the base, variable-frequency motor is fixed in air duct, impeller is fixed on the output shaft of variable-frequency motor, multiple uniformly distributed flabellums are fixed on impeller, air duct is fixedly arranged at the front end with ventilating duct, and the front end of ventilating duct forms rectangle frame, nine grids air port grid is equipped in rectangle frame, the rear end of air duct is equipped with separation net；Elevating mechanism includes four nuts being separately fixed on four angles of pedestal, and lifting screw is bolted in each nut, and the upper end of lifting screw is fixed with handwheel, and the lower end sleeve of lifting screw is on the support.It can simulate different windages, meet and test the windage of automobile, at the same it is small in size, be moved easily and the height of adjustable air outlet.
Description
Technical field:
The utility model relates to blower technical fields, and in particular to a kind of blower for automotive test simulation wind resistance.
Background technique:
Automobile due to the effect by air, can generate air drag longitudinally and laterally, for height in the process of moving
Speed traveling automobile can all generate different influences, if air drag account for automobile running resistance specific gravity it is larger when, Jiu Huizeng
Add the consumption of fuel oil, so generally need to carry out automobile windage test during automobile production, and general automobile does wind
When resistance test, using wind tunnel test, due to wind tunnel device higher cost, volume is larger, and immovability is increased to automobile
Testing cost.
Utility model content:
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of wind for automotive test simulation wind resistance
Machine, it can simulate different windages, meet and test the windage of automobile, at the same it is small in size, be moved easily and can be with
Adjust the height of air outlet.
The scheme that the utility model solves the technical problem is:
A kind of blower for automotive test simulation wind resistance, including pedestal are hinged with four rolling, the pedestal on pedestal
It is equipped with fan assembly and elevating mechanism, the fan assembly includes the air duct being fixed on the base, and is passed through on the inner wall of air duct
Multiple supporting plates are fixed with the variable-frequency electric hood in the front openings of tubbiness, are fixed with variable-frequency motor, variable-frequency electric in variable-frequency electric hood
The output shaft of machine is fixed with impeller on the extension end of the rear wall of variable-frequency electric hood, and multiple uniformly distributed fans are fixed on impeller
Leaf, the air duct are fixedly arranged at the front end with ventilating duct, and the front end of ventilating duct forms rectangle frame, is equipped with nine grids air port in rectangle frame
The rear end of grid, the air duct is equipped with separation net；The elevating mechanism includes four be separately fixed on four angles of pedestal
Nut is bolted with lifting screw in each nut, and the upper end of lifting screw is fixed with handwheel, and the lower end sleeve of lifting screw is propping up
On seat.
The support includes integrally formed plectane and cylinder boss, and counterbore, the bottom surface of counterbore are formed on cylinder boss
On form ball-and-socket, the lower end of the lifting screw forms polished rod, and the lower end of polished rod forms hemisphere protrusion, and the polished rod is inserted
It covers in counterbore, hemisphere protrusion sleeve is in ball-and-socket；Form the first groove on the outer wall of the polished rod, on the inner wall of counterbore at
Type has the second groove, is socketed with c-type baffle ring in the annular groove that the first groove and the second groove are formed.
The tank filler sleeve communicated with counterbore is formed on the outer wall of the cylinder boss, and plug screw is bolted in tank filler sleeve, it is described
Gap location, the inner wall of counterbore between the outer wall of hemisphere protrusion and the inner wall of ball-and-socket and the filling of the gap location between the outer wall of polished rod
There is lubricating oil.
The total height of the support is less than the distance between lower side and bottom surface of pedestal of idler wheel.
Electric conduit, the downside of air duct are fixed between the downside inner wall of the air duct and the downside outer wall of variable-frequency electric hood
It forms the first through hole communicated with electric conduit on wall, forms in the lower wall of variable-frequency electric hood and communicated with electric conduit
Second through-hole.
The protrusion effect of the utility model is:
Compared with prior art, it can simulate different windages, meet and test the windage of automobile, while its body
Product is small, is moved easily and the height of adjustable air outlet.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is cross-sectional view of the Fig. 2 about A-A；
Fig. 4 is partial enlarged view of the Fig. 3 about C.
Specific embodiment:
Embodiment is shown in as shown in Figures 1 to 4, a kind of blower for automotive test simulation wind resistance, including pedestal 1, pedestal
Four rolling 11 is hinged on 1, the pedestal 1 is equipped with fan assembly 2 and elevating mechanism 3, and the fan assembly 2 includes solid
The air duct 21 being scheduled on pedestal 1 is fixed with the frequency conversion of the front openings in tubbiness on the inner wall of air duct 21 by multiple supporting plates 22
Motor cover 23, variable-frequency motor 24 is fixed in variable-frequency electric hood 23, and the output shaft of variable-frequency motor 24 passes through variable-frequency electric hood 23
It is fixed with impeller 25 on the extension end of rear wall, multiple uniformly distributed flabellums 26, the front end of the air duct 21 are fixed on impeller 25
It is fixed with ventilating duct 27, the front end of ventilating duct 27 forms rectangle frame 271, is equipped with nine grids air port grid in rectangle frame 271
28, the rear end of the air duct 21 is equipped with separation net 29；The elevating mechanism 3 includes being separately fixed on four angles of pedestal 1
Four nuts 31 are bolted with lifting screw 32 in each nut 31, and the upper end of lifting screw 32 is fixed with handwheel 33, lifting screw
33 lower end sleeve is on support 34.
Further, the support 34 includes integrally formed plectane 341 and cylinder boss 342, cylinder boss 342
On form counterbore 343, ball-and-socket 344 is formed on the bottom surface of counterbore 343, the lower end of the lifting screw 32 forms polished rod
331, the lower end of polished rod 331 forms hemisphere protrusion 332, and 331 sleeve of polished rod is in counterbore 343, hemisphere 332 sleeves of protrusion
In ball-and-socket 344；The first groove 333 is formed on the outer wall of the polished rod 331, it is recessed to form second on the inner wall of counterbore 343
C-type baffle ring 35 is socketed in the annular groove that slot 345, the first groove 333 and the second groove 345 are formed.
Further, the tank filler sleeve 346 communicated with counterbore 343 is formed on the outer wall of the cylinder boss 342, added
Plug screw 36, gap location, counterbore between the outer wall of the hemisphere protrusion 332 and the inner wall of ball-and-socket 344 are bolted in oilhole 346
Gap location between 343 inner wall and the outer wall of polished rod 331 is filled with lubricating oil.
Further, the total height of the support 34 is less than between the lower side of idler wheel 11 and the bottom surface of pedestal 1
Distance.
Further, electricity is fixed between the downside inner wall of the air duct 21 and the downside outer wall of variable-frequency electric hood 23
Wire conduit 20, forms the first through hole 211 communicated with electric conduit 20 in the lower wall of air duct 21, under variable-frequency electric hood 23
The second through-hole 231 communicated with electric conduit 20 is formed on side wall.
Working principle: first, facilitated by idler wheel 11 and is transported to the present apparatus before automobile or side；Second, rotation
Handwheel 33, handwheel 33 drive lifting screw 32 to rotate, and lifting screw 32 first drives support 34 to move down, supports 34 is waited to be bonded with ground
When, lifting screw 32 jacks up pedestal 1, so that fan assembly 2 be jacked up, can adjust air outlet simultaneously by lifting screw 32
Height；Third, variable-frequency motor 24 drive impeller 25 to rotate, and flabellum 26 is rotated with impeller 25, and wind is blowed to from the rear side of air duct 21
Then front side uniformly blows to automobile from nine grids air port grid 28 after ventilating duct 27, so that windage is provided to automobile, with complete
It is tested at automobile windage, when needing to adjust wind speed, the revolving speed of motor can be changed to change by the frequency of adjusting variable-frequency motor
Become windage.
Finally, embodiment of above is merely to illustrate the utility model, and it is not limitation of the utility model, related skill
The those of ordinary skill in art field can also make various changes in the case where not departing from the spirit and scope of the utility model
Change and modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the patent protection model of the utility model
Enclosing should be defined by the claims.
Claims (5)
1. a kind of blower for automotive test simulation wind resistance, including pedestal (1), four rolling (11) are hinged on pedestal (1),
It is characterized by: the pedestal (1) is equipped with fan assembly (2) and elevating mechanism (3), the fan assembly (2) includes fixing
Air duct (21) on pedestal (1) is fixed with the front openings in tubbiness on the inner wall of air duct (21) by multiple supporting plates (22)
Variable-frequency electric hood (23), is fixed with variable-frequency motor (24) in variable-frequency electric hood (23), the output shaft of variable-frequency motor (24) passes through
It is fixed on the extension end of the rear wall of variable-frequency electric hood (23) impeller (25), multiple uniformly distributed flabellums is fixed on impeller (25)
(26), the air duct (21) is fixedly arranged at the front end with ventilating duct (27), and the front end of ventilating duct (27) forms rectangle frame (271), square
Nine grids air port grid (28) is equipped in shape frame (271), the rear end of the air duct (21) is equipped with separation net (29)；The elevator
Structure (3) includes four nuts (31) being separately fixed on four angles of pedestal (1), is bolted with lifting spiral shell in each nut (31)
Bar (32), the upper end of lifting screw (32) are fixed with handwheel (33), and the lower end sleeve of lifting screw (32) is on support (34).
2. a kind of blower for automotive test simulation wind resistance according to claim 1, it is characterised in that: the support
(34) include integrally formed plectane (341) and cylinder boss (342), counterbore (343) are formed on cylinder boss (342), sink
It is formed on the bottom surface in hole (343) ball-and-socket (344), the lower end of the lifting screw (32) forms polished rod (331), polished rod
(331) lower end forms hemisphere protrusion (332), and polished rod (331) sleeve in counterbore (343), insert by hemisphere protrusion (332)
It covers in ball-and-socket (344)；Formed the first groove (333) on the outer wall of the polished rod (331), on the inner wall of counterbore (343) at
Type has the second groove (345), is socketed with c-type baffle ring (35) in the annular groove that the first groove (333) and the second groove (345) are formed.
3. a kind of blower for automotive test simulation wind resistance according to claim 2, it is characterised in that: the cylinder is convex
The tank filler sleeve (346) communicated with counterbore (343) is formed on the outer wall of platform (342), is bolted with plug screw in tank filler sleeve (346)
(36), the inner wall and light of the gap location between the outer wall of the hemisphere raised (332) and the inner wall of ball-and-socket (344), counterbore (343)
Gap location between the outer wall of bar (331) is filled with lubricating oil.
4. a kind of blower for automotive test simulation wind resistance according to claim 2, it is characterised in that: the support
(34) total height is less than the lower side of idler wheel (11) and the distance between the bottom surface of pedestal (1).
5. a kind of blower for automotive test simulation wind resistance according to claim 1, it is characterised in that: the air duct
(21) it is fixed with electric conduit (20) between the downside outer wall of downside inner wall and variable-frequency electric hood (23), the downside of air duct (21)
The first through hole (211) communicated with electric conduit (20) is formed on wall, formed in the lower wall of variable-frequency electric hood (23) with
The second through-hole (231) that electric conduit (20) communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843508.1U CN208366623U (en) | 2018-05-31 | 2018-05-31 | A kind of blower for automotive test simulation wind resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843508.1U CN208366623U (en) | 2018-05-31 | 2018-05-31 | A kind of blower for automotive test simulation wind resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366623U true CN208366623U (en) | 2019-01-11 |
Family
ID=64931231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820843508.1U Expired - Fee Related CN208366623U (en) | 2018-05-31 | 2018-05-31 | A kind of blower for automotive test simulation wind resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108437A (en) * | 2019-04-12 | 2019-08-09 | 上海渤元信息科技有限公司 | A kind of car body aerodynamic performance test generating system and test method |
-
2018
- 2018-05-31 CN CN201820843508.1U patent/CN208366623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108437A (en) * | 2019-04-12 | 2019-08-09 | 上海渤元信息科技有限公司 | A kind of car body aerodynamic performance test generating system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190111 Termination date: 20210531 |