JPS60172007U - Hydraulic circuit of hydraulic construction machinery - Google Patents
Hydraulic circuit of hydraulic construction machineryInfo
- Publication number
- JPS60172007U JPS60172007U JP5845384U JP5845384U JPS60172007U JP S60172007 U JPS60172007 U JP S60172007U JP 5845384 U JP5845384 U JP 5845384U JP 5845384 U JP5845384 U JP 5845384U JP S60172007 U JPS60172007 U JP S60172007U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- construction machinery
- circuit
- hydraulic circuit
- liquid temperature
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を示す回路図、第２図は液温セ
ンサの特性縁曲、第３図は信号変換器の特性線図、第４
図は信号変換器の一例を示す回路図、第５図は従来例を
示す構成説明図である。
４は液圧ポンプ、８はオイルクーラ、１０はオ 、。
イルクーラファン、１１は液圧モータ、１４はポ ′ン
プレギキュレータ、１６は信号変換器、１７は液温セン
サ。
第２図
第３図Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a characteristic curve of a liquid temperature sensor, Fig. 3 is a characteristic diagram of a signal converter, and Fig. 4 is a characteristic diagram of a signal converter.
The figure is a circuit diagram showing an example of a signal converter, and FIG. 5 is a configuration explanatory diagram showing a conventional example. 4 is a hydraulic pump, 8 is an oil cooler, 10 is an o. 11 is a hydraulic motor, 14 is a pump regulator, 16 is a signal converter, and 17 is a liquid temperature sensor. Figure 2 Figure 3
Claims (1)
ルクーラファン１０を対設すると共に、上記液圧モータ
１１を可変形の液圧ポンプ４に接続し、この液圧ポンプ
４を制御するボンプレ４キユレータ１４の電磁作動部に
一信号変換器１６を介して液圧回路内液温の変化に応じ
て電気抵抗が変化するようにした液温センサ１７に接続
したことを特徴とする液圧式建設機械の液圧回路。A dedicated oil cooler fan 10 connected to a hydraulic motor 11 is installed opposite to the oil cooler 8, and the hydraulic motor 11 is connected to a variable hydraulic pump 4, and a bonpre 4 that controls the hydraulic pump 4 A hydraulic construction machine characterized in that a liquid temperature sensor 17 is connected to the electromagnetic actuating part of the curator 14 via a signal converter 16, the electric resistance of which changes in response to changes in the liquid temperature within the hydraulic circuit. hydraulic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5845384U JPS60172007U (en) | 1984-04-23 | 1984-04-23 | Hydraulic circuit of hydraulic construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5845384U JPS60172007U (en) | 1984-04-23 | 1984-04-23 | Hydraulic circuit of hydraulic construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60172007U true JPS60172007U (en) | 1985-11-14 |
Family
ID=30583962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5845384U Pending JPS60172007U (en) | 1984-04-23 | 1984-04-23 | Hydraulic circuit of hydraulic construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60172007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155092A (en) * | 2005-12-08 | 2007-06-21 | Hitachi Constr Mach Co Ltd | Hydraulically driven fan system |
-
1984
- 1984-04-23 JP JP5845384U patent/JPS60172007U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155092A (en) * | 2005-12-08 | 2007-06-21 | Hitachi Constr Mach Co Ltd | Hydraulically driven fan system |
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