JPH0174539U - - Google Patents
Info
- Publication number
- JPH0174539U JPH0174539U JP1987169924U JP16992487U JPH0174539U JP H0174539 U JPH0174539 U JP H0174539U JP 1987169924 U JP1987169924 U JP 1987169924U JP 16992487 U JP16992487 U JP 16992487U JP H0174539 U JPH0174539 U JP H0174539U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pump
- pump motor
- variable displacement
- displacement hydraulic
- drum
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Fluid Gearings (AREA)
- Motor Power Transmission Devices (AREA)
Description
第１図、第２図は本考案による油圧シヤシダイ
ナモメータの実施例に係り、第１図は本考案の要
部を示す構成図、第２図は可変容量形油圧ポンプ
モータの開度と回転数との関係を示すグラフ、第
３図、第４図は従来の油圧シヤシダイナモメータ
に係り、第３図は構成図、第４図は第二サーボバ
ルブとその周辺を示す構成図である。
２……ドラム、３……第一可変容量形油圧ポン
プモータ、４……軸、９……第一サーボバルブ、
１０……第二可変容量形油圧ポンプモータ、１１
……第二サーボバルブ、１２……直流モータ、１
３……高圧油パイプ、１７……サーボ増幅器、３
０……第二バツテリー、３１……切換スイツチ。
Fig. 1 and Fig. 2 relate to an embodiment of the hydraulic chassis dynamometer according to the present invention, Fig. 1 is a configuration diagram showing the main parts of the invention, and Fig. 2 shows the opening degree and Graphs showing the relationship with rotation speed, Figures 3 and 4 are related to a conventional hydraulic chassis dynamometer, Figure 3 is a configuration diagram, and Figure 4 is a configuration diagram showing the second servo valve and its surroundings. be. 2...Drum, 3...First variable displacement hydraulic pump motor, 4...Shaft, 9...First servo valve,
10...Second variable displacement hydraulic pump motor, 11
...Second servo valve, 12...DC motor, 1
3... High pressure oil pipe, 17... Servo amplifier, 3
0...second battery, 31...changeover switch.
Claims (1)
された第一可変容量形油圧ポンプモータと、一対
の高圧油パイプを介して圧油が循環するように第
一可変容量形油圧ポンプモータに接続されかつ電
動機に連動連結された第二可変容量形油圧ポンプ
モータと、 第一可変容量形油圧ポンプモータの開度を制御
する第一サーボバルブと、第二可変容量形油圧ポ
ンプモータの開度を制御する第二サーボバルブと
、夫々のサーボバルブにサーボ増幅器を介して接
続された設定器とを有する油圧シヤシダイナモメ
ータにおいて、 予め所定の状態に設定された第一、第二バツテ
リーを第一、第二サーボバルブ毎に設けるととも
に、通電時にはサーボ増幅器とサーボバルブとを
接続し停電時にはバツテリーとサーボバルブとを
接続する切換スイツチを夫々のサーボバルブに設
けたことを特徴とする油圧シヤシダイナモメータ
。[Scope of Claim for Utility Model Registration] A first variable displacement hydraulic pump motor connected via a shaft to a drum on which the driving wheels of an automobile are mounted, and a first variable displacement hydraulic pump motor connected via a shaft to a drum on which the driving wheels of an automobile are mounted, and a first variable displacement hydraulic pump motor connected to a drum on which the driving wheels of an automobile are mounted, and a first variable displacement hydraulic pump motor connected to a drum on which the driving wheels of an automobile are mounted, and a first variable displacement hydraulic pump motor connected via a shaft to a drum on which the driving wheels of an automobile are mounted, and a first variable displacement hydraulic pump motor connected via a shaft to a drum on which the drive wheels of an automobile are mounted. a second variable displacement hydraulic pump motor connected to the variable displacement hydraulic pump motor and operatively connected to the electric motor; a first servo valve that controls the opening degree of the first variable displacement hydraulic pump motor; and a second variable displacement hydraulic pump motor. A hydraulic chassis dynamometer has a second servo valve that controls the opening degree of a hydraulic pump motor, and a setting device connected to each servo valve via a servo amplifier. 1. A second battery is provided for each of the first and second servo valves, and a changeover switch is provided for each servo valve to connect the servo amplifier and the servo valve when the power is on, and to connect the battery and the servo valve during a power outage. A hydraulic chassis dynamometer featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16992487U JPH0522849Y2 (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16992487U JPH0522849Y2 (en) | 1987-11-06 | 1987-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0174539U true JPH0174539U (en) | 1989-05-19 |
| JPH0522849Y2 JPH0522849Y2 (en) | 1993-06-11 |
Family
ID=31460414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16992487U Expired - Lifetime JPH0522849Y2 (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522849Y2 (en) |
-
1987
- 1987-11-06 JP JP16992487U patent/JPH0522849Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522849Y2 (en) | 1993-06-11 |
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