JPH01166801U - - Google Patents
Info
- Publication number
- JPH01166801U JPH01166801U JP5674688U JP5674688U JPH01166801U JP H01166801 U JPH01166801 U JP H01166801U JP 5674688 U JP5674688 U JP 5674688U JP 5674688 U JP5674688 U JP 5674688U JP H01166801 U JPH01166801 U JP H01166801U
- Authority
- JP
- Japan
- Prior art keywords
- variable
- motor
- pump
- rotation speed
- actual
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の実施例を示す回路図、第２図
は作業機を備えた場合の回路図、第３図、第４図
、第５図、第６図、第７図は補正の一例を示す図
表、第８図はフローチヤート、第９図は従来の回
路図である。
１１はエンジン、１２は可変ポンプ、１３は管
路、１４は可変モータ。
Figure 1 is a circuit diagram showing an embodiment of the present invention, Figure 2 is a circuit diagram with a working machine, Figures 3, 4, 5, 6, and 7 are correction diagrams. FIG. 8 is a flowchart and FIG. 9 is a conventional circuit diagram showing an example. 11 is an engine, 12 is a variable pump, 13 is a pipe, and 14 is a variable motor.
Claims (1)
１２を管路１３で両振りの可変モータ１４に接続
し、この可変モータ１４で負荷を駆動すると共に
、前記可変ポンプ１２の実回転を検出する手段と
、可変モータ１４の実回転を検出する手段を設け
、前記各手段よりのポンプ実回転数と目標モータ
回転数とにより前記可変ポンプ１２、可変モータ
１４の容量を制御する手段及び、前記モータ実回
転数が最高目標モータ回転数より小さい時には可
変モータ１４の容量を減少する手段を設けたこと
を特徴とする油圧駆動装置。 A double swing variable pump 12 driven by an engine 11 is connected to a double swing variable motor 14 through a conduit 13, and means for driving a load with the variable motor 14 and detecting the actual rotation of the variable pump 12. , means for detecting the actual rotation of the variable motor 14, and means for controlling the capacities of the variable pump 12 and the variable motor 14 based on the actual pump rotation speed and target motor rotation speed from each of the means; 1. A hydraulic drive system characterized by comprising means for reducing the capacity of the variable motor 14 when the number of rotations is smaller than the maximum target motor rotation speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674688U JPH01166801U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674688U JPH01166801U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166801U true JPH01166801U (en) | 1989-11-22 |
Family
ID=31282614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5674688U Pending JPH01166801U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166801U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63285302A (en) * | 1987-04-24 | 1988-11-22 | マンネズマン・レックスロート・ゲー・エム・ベー・ハー | Hydraulic drive system |
-
1988
- 1988-04-28 JP JP5674688U patent/JPH01166801U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63285302A (en) * | 1987-04-24 | 1988-11-22 | マンネズマン・レックスロート・ゲー・エム・ベー・ハー | Hydraulic drive system |
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