JP2893696B2 - Chassis dynamometer - Google Patents
Chassis dynamometerInfo
- Publication number
- JP2893696B2 JP2893696B2 JP1014823A JP1482389A JP2893696B2 JP 2893696 B2 JP2893696 B2 JP 2893696B2 JP 1014823 A JP1014823 A JP 1014823A JP 1482389 A JP1482389 A JP 1482389A JP 2893696 B2 JP2893696 B2 JP 2893696B2
- Authority
- JP
- Japan
- Prior art keywords
- belt
- vehicle
- chassis dynamometer
- rotating bodies
- load
- 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
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Description
【発明の詳細な説明】 A.産業上の利用分野 この発明は自動車等の車両の走行性能試験を行うシャ
シーダイナモメータに関する。The present invention relates to a chassis dynamometer for performing a running performance test of a vehicle such as an automobile.
B.発明の概要 この発明はシャシーダイナモメータにおいて、 一対の回転ドラム間に掛けられた無端金属ベルトと、
この金属ベルトの下面に設けられた非圧縮性の液体（例
えば水）利用の荷重支持装置とからベルト回転体を構成
し、このベルト回転体を車両の左右の車輪に対応して一
対設けたことにより、走行面を平坦にでき、かつ左右の
金属ベルトの速度を変えてカーブ走行時の模擬試験がで
きるようにするとともに、左右の金属ベルトの高さを変
えて車両を傾斜させたときの模擬試験を行うことができ
るようにして、より一層実走行路面に近付けることがで
きるようにしたものである。B. Summary of the Invention This invention relates to a chassis dynamometer, wherein an endless metal belt hung between a pair of rotating drums,
A belt rotating body is constituted by a load supporting device using an incompressible liquid (for example, water) provided on the lower surface of the metal belt, and a pair of the belt rotating bodies is provided corresponding to the left and right wheels of the vehicle. This makes it possible to make the running surface flat, and to perform simulation tests during curve running by changing the speed of the left and right metal belts, and to simulate when the vehicle is inclined by changing the height of the left and right metal belts. The test can be performed so that the vehicle can be brought closer to the actual running road surface.
C.従来の技術 従来のシャシーダイナモメータは第３図に示すように
円筒形の回転ドラム1,1上に車両２の駆動輪3,3を載置し
て性能試験を行う構成をとっていた（参照：実公昭53−
28881号）回転ドラム1,1の回転軸にはフライホイール４
を介して動力計等の負荷装置５が設けられている。６は
従動輪載置台で、この載置台６には車両２の従動輪７が
載置される。C. Prior Art The conventional chassis dynamometer has a configuration in which the performance test is performed by placing the driving wheels 3, 3 of the vehicle 2 on the cylindrical rotating drums 1, 1, as shown in FIG. (Reference: Jikken Sho 53-
No.28881) Flywheel 4 on the rotating shaft of rotating drums 1,1
A load device 5, such as a dynamometer, is provided via the power supply. Reference numeral 6 denotes a driven wheel mounting table, on which the driven wheels 7 of the vehicle 2 are mounted.
上記第３図に示すシャシーダイナモメータは車両の各
種の試験が建屋内で行うことができることから、車両の
安全性，品質向上のための試験を効果的に行える利点が
ある。The chassis dynamometer shown in FIG. 3 has an advantage that various tests of the vehicle can be performed in the building, and the tests for improving the safety and quality of the vehicle can be effectively performed.
D.発明が解決しようとする課題 従来のシャシーダイナモメータでは車両の駆動輪が載
置されるのは回転ドラムであることから、実走行路面に
比較すると、若干異なり、試験の種類によっては、試験
精度を著しく低下させる問題がある。D. Problems to be Solved by the Invention In the conventional chassis dynamometer, since the driving wheels of the vehicle are mounted on the rotating drum, the driving wheels are slightly different from those on the actual traveling road surface. There is a problem that accuracy is remarkably reduced.
この発明は上記の事情に鑑みてなされたもので、限り
なく実走行路面に近くなるようにしたシャシーダイナモ
メータを提供することを目的とする。The present invention has been made in view of the above circumstances, and has as its object to provide a chassis dynamometer that is as close as possible to an actual traveling road surface.
E.課題を解決するための手段 この発明は車両等の走行性能試験を行うシャシーダイ
ナモメータにおいて、 一定の間隔を隔て並設された一対の回転ドラム間に無
端金属ベルトを掛け、この金属ベルトを非圧縮性の液体
（例えば水）利用の荷重支持装置により支持してベルト
回転体を構成し、このベルト回転体を車両の左右の車輪
に対応して一対設けるとともに前記荷重支持装置を各車
輪が位置する部位に設け、しかも、各ベルト回転体の相
対位置関係を変化させて、実走行路面と等価となるよう
にし、且つ前記ベルト回転体のうちの少なくとも一つに
負荷装置を連結させたことを特徴とするものである。E. Means for Solving the Problems The present invention relates to a chassis dynamometer for performing a running performance test of a vehicle or the like, wherein an endless metal belt is hung between a pair of rotating drums arranged side by side at a fixed interval, and this metal belt is A belt rotator is configured by supporting the load rotator using an incompressible liquid (for example, water), and a pair of the belt rotators is provided corresponding to the left and right wheels of the vehicle. Provided at a position to be located, and further, by changing the relative positional relationship of each belt rotating body so as to be equivalent to an actual traveling road surface, and connecting a load device to at least one of the belt rotating bodies. It is characterized by the following.
F.作用 ベルト回転体を車両の左右の車輪に対応して一対設
け、しかも、各ベルト回転体の相対位置関係を変化させ
たので、平坦走行路面の走行試験ばかりでなく、ベルト
回転体の高さを変えると、車両を傾斜させたときの走行
試験も行うことができる。また、左右のベルト回転体の
ベルトの速さを変化させるようにすれば、車両のカーブ
走行模擬試験をも行うことができる。F. Action A pair of belt rotators are provided corresponding to the left and right wheels of the vehicle, and the relative positional relationship between the belt rotators is changed. In other words, a running test can be performed when the vehicle is tilted. In addition, if the speeds of the belts of the left and right belt rotating bodies are changed, a simulation test for curve running of the vehicle can be performed.
G.実施例 以下この発明の一実施例を図面に基づいて説明する。G. Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第１図及び第２図において、11,12は車両のホイール
長さ相当分だけ離れて並設された回転ドラムで、この回
転ドラム11,12の間には無端金属ベルト13が掛けられる
とともに金属ベルト13の下部には水ベアリングで形成さ
れた荷重支持装置14が配設され、これらによりベルト回
転体15,16が構成される。このベルト回転体15,16は車両
の左右の車輪に対応して一対設けられる。In FIGS. 1 and 2, reference numerals 11 and 12 denote rotary drums arranged side by side by a distance corresponding to the length of a wheel of a vehicle. A load supporting device 14 formed of a water bearing is disposed below the belt 13, and these constitute belt rotating bodies 15, 16. The belt rotators 15 and 16 are provided as a pair corresponding to the left and right wheels of the vehicle.
なお、荷重支持装置14は車両の各車輪が位置する部位
に設けられる。The load supporting device 14 is provided at a position where each wheel of the vehicle is located.
次に、荷重支持装置14について述べるが、この装置14
は基台と金属ベルトとの間に水膜を形成して金属ベルト
上の荷重を支持するものである。具体的には図示は省略
するが、ほぼ次のように構成されている。すなわち、荷
重支持装置14は基台の上部に載置された滑動部材と、こ
の滑動部材の外周を囲んで設けられた水切り部とを有
し、滑動部材の表面（金属ベルトに対向する面）には水
噴出孔を有するポートがベルトの走行方向に複数個縦列
配設され、かつこの縦列配設されたポートがベルトの走
行方向と直角な方向に複数列配設されて構成されてお
り、上記滑動部材と金属ベルトとの間に薄い水膜を形成
する。Next, the load supporting device 14 will be described.
Is to form a water film between the base and the metal belt to support the load on the metal belt. Although not specifically shown, the configuration is substantially as follows. That is, the load supporting device 14 has a sliding member placed on the upper portion of the base and a drainage portion provided around the outer periphery of the sliding member, and the surface of the sliding member (the surface facing the metal belt) A plurality of ports having water ejection holes are arranged in tandem in the running direction of the belt, and the ports arranged in tandem are arranged in a plurality of rows in a direction perpendicular to the running direction of the belt. A thin water film is formed between the sliding member and the metal belt.
なお、図示省略したが、前記左右のベルト回転体15,1
6のうちの少なくとも一つのベルト回転体15,16における
回転ドラム11,12には第３図に示すようなフライホイー
ルを介して動力計等の負荷装置が連結されている。Although not shown, the left and right belt rotators 15, 1
A load device such as a dynamometer is connected to the rotating drums 11 and 12 of at least one of the belt rotating bodies 15 and 16 out of 6 through a flywheel as shown in FIG.
次に上記実施例の動作を平坦走行路面を走行する試験
の場合について述べる。Next, the operation of the above embodiment will be described in the case of a test for traveling on a flat traveling road surface.
まず、図示一点鎖線で示す車両２の左右の車輪（図示
省略）をベルト回転体15,16の金属ベルト13上にそれぞ
れ乗せ、車両２の運転を開始する。その際、荷重支持装
置14のポートに水噴出孔から所定圧の水を噴出させて荷
重支持装置14と金属ベルト13との間に所定の水膜を形成
する。これにより金属ベルト13が非圧縮性液体の水膜に
よって支持される結果、車両２を運転して車輪を回転さ
せたときでも、金属ベルト13を円滑に走行させることが
できる。なお、金属ベルト13を押し上げ支持する水の一
部は滑動部材の外側に散って水切り部に入り、回収され
る。First, the left and right wheels (not shown) of the vehicle 2 indicated by dashed lines are put on the metal belts 13 of the belt rotating bodies 15 and 16, respectively, and the operation of the vehicle 2 is started. At this time, water of a predetermined pressure is spouted from the water spouting hole to the port of the load support device 14 to form a predetermined water film between the load support device 14 and the metal belt 13. As a result, the metal belt 13 is supported by the water film of the incompressible liquid, so that even when the vehicle 2 is driven and the wheels are rotated, the metal belt 13 can run smoothly. In addition, a part of the water that pushes up and supports the metal belt 13 scatters outside the sliding member, enters the drainage portion, and is collected.
次に左右のベルト回転体15,16は各々図示しないが高
さ等が変更できるように形成されていて、ここでベルト
回転体15,16の一方の高さを高くすることにより、車両
を傾斜させたときの性能試験を行うことができる。ま
た、左右のベルト回転体15,16のベルト速度を変えるこ
とにより、カーブ走行時における模擬性能試験を行うこ
とができる。Next, the left and right belt rotators 15, 16 are not shown, but are formed so that the height and the like can be changed.Here, by increasing one of the heights of the belt rotators 15, 16, the vehicle is tilted. A performance test at the time of the operation can be performed. Also, by changing the belt speeds of the left and right belt rotators 15 and 16, a simulation performance test during curve running can be performed.
なお、上記実施例においては、車両はワイヤーロープ
等で固定して車両運転中にベルト回転体15,16から脱落
しないように構成されている。In the above embodiment, the vehicle is fixed with a wire rope or the like so that the vehicle does not drop off from the belt rotating bodies 15 and 16 during driving.
上記実施例において、各車輪を支持するベルト回転体
の荷重支持装置は非圧縮性液体である水を利用してベル
ト下面に水膜を形成するものであるから、ベルト回転体
のベルト面は実走行路と同様な硬さ及び強度を具備した
ものとすることができ、一層走行路に近付けることがで
きるものである。In the above embodiment, since the load supporting device for the belt rotating body that supports each wheel forms a water film on the lower surface of the belt using water that is an incompressible liquid, the belt surface of the belt rotating body is actually It can have the same hardness and strength as the traveling path, and can be closer to the traveling path.
従って、この発明によれば、現在屋外で行っている各
種走行試験のほとんどに代わって実施することができる
ので、試験効率の向上，試験の安定性及び車両の安全性
の向上に寄与できる。Therefore, according to the present invention, it is possible to carry out almost all of the various running tests that are currently performed outdoors, thereby contributing to improvement of test efficiency, test stability and vehicle safety.
H.発明の効果 以上延べたように、この発明によれば、非圧縮性液体
である水を利用した荷重支持装置を備えたベルト回転体
を車両の左右の車輪に対応して一対設けたので、試験走
行面を実際の平坦面と同等な平坦面とすることができ、
しかも平坦路の走行試験の他に、ベルト回転体の左右の
ベルトの速度を変えてカーブ走行時の模擬試験ができる
とともに左右のベルトの高さを変えて車両を傾斜させた
模擬試験を行うことができる。H. Effects of the Invention As described above, according to the present invention, a pair of belt rotating bodies provided with a load supporting device using water which is an incompressible liquid are provided corresponding to the left and right wheels of the vehicle. , The test running surface can be a flat surface equivalent to the actual flat surface,
In addition to running tests on flat roads, it is possible to perform simulation tests during curve running by changing the speed of the left and right belts of the belt rotator, and to perform simulation tests in which the vehicle is inclined by changing the height of the left and right belts. Can be.
第１図及び第２図はこの発明の一実施例を示すもので、
第１図は概略構成説明図、第２図は第１図のＡ−Ａ線断
面図、第３図は従来例を示す概略構成図である。 11,12……回転ドラム、13……金属ベルト、14……荷重
支持装置、15,16……ベルト回転体。1 and 2 show one embodiment of the present invention.
FIG. 1 is a schematic structural explanatory view, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. 3 is a schematic structural view showing a conventional example. 11, 12 ... rotating drum, 13 ... metal belt, 14 ... load supporting device, 15, 16 ... belt rotating body.
Claims (1)
ナモメータにおいて、 一定の間隔を隔て並設された一対の回転ドラム間に無端
金属ベルトを掛け、この金属ベルトを非圧縮性の液体利
用の荷重支持装置により下部から支持してベルト回転体
を構成し、このベルト回転体を車両の前後の左右の車輪
に対応して一対設けるとともに、前記荷重支持装置を各
車輪が位置する部位に設け、しかも、各ベルト回転体の
相対位置関係を変化させて、実走行路面と等価となるよ
うにし、且つこれらベルト回転体のうち少なくとも一つ
に負荷装置を連結させたことを特徴とするシャシーダイ
ナモメータ。In a chassis dynamometer for performing a running performance test of a vehicle or the like, an endless metal belt is hung between a pair of rotating drums arranged side by side at a predetermined interval, and the metal belt is used for incompressible liquid use. A belt rotating body is configured by being supported from below by a load supporting device, and a pair of the belt rotating bodies is provided corresponding to the front and rear left and right wheels of the vehicle, and the load supporting device is provided at a position where each wheel is located, Further, a chassis dynamometer characterized in that the relative positional relationship between the respective belt rotating bodies is changed so as to be equivalent to the actual running road surface, and a load device is connected to at least one of the belt rotating bodies. .
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1014823A JP2893696B2 (en) | 1989-01-24 | 1989-01-24 | Chassis dynamometer |
| US07/468,643 US5136879A (en) | 1989-01-24 | 1990-01-23 | Testing apparatus for bench testing vehicular driving performance |
| KR1019900000767A KR960014007B1 (en) | 1989-01-24 | 1990-01-23 | Testing apparatus for bench testing vehicular driving performance |
| EP90101424A EP0383068B1 (en) | 1989-01-24 | 1990-01-24 | Bench for testing vehicular driving performance |
| DE69008568T DE69008568T2 (en) | 1989-01-24 | 1990-01-24 | Stand for testing the mileage of motor vehicles. |
| US07/812,167 US5241854A (en) | 1989-01-24 | 1991-12-23 | Testing apparatus for bench testing vehicular driving performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1014823A JP2893696B2 (en) | 1989-01-24 | 1989-01-24 | Chassis dynamometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02194346A JPH02194346A (en) | 1990-07-31 |
| JP2893696B2 true JP2893696B2 (en) | 1999-05-24 |
Family
ID=11871761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1014823A Expired - Fee Related JP2893696B2 (en) | 1989-01-24 | 1989-01-24 | Chassis dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2893696B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4324128A (en) * | 1980-02-14 | 1982-04-13 | Mts Systems Corporation | Hydrodynamic support bearing for a belt on a tire testing machine |
| JPS56172745U (en) * | 1981-06-10 | 1981-12-19 |
-
1989
- 1989-01-24 JP JP1014823A patent/JP2893696B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02194346A (en) | 1990-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |