JPS60172008U - Oil cooler for hydraulic construction machinery - Google Patents
Oil cooler for hydraulic construction machineryInfo
- Publication number
- JPS60172008U JPS60172008U JP5845484U JP5845484U JPS60172008U JP S60172008 U JPS60172008 U JP S60172008U JP 5845484 U JP5845484 U JP 5845484U JP 5845484 U JP5845484 U JP 5845484U JP S60172008 U JPS60172008 U JP S60172008U
- Authority
- JP
- Japan
- Prior art keywords
- oil cooler
- construction machinery
- port
- hydraulic motor
- switching valve
- 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)
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) [Summary] 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液圧回路図、第2図は従
来例を示す構成説明図である。
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、12はタンク、14はロジック弁、15は
電磁切換弁、15aは連通位置、15bはドレン位置、
16は電磁作動部、17は液温センサ、18は電源。FIG. 1 is a hydraulic circuit diagram showing an embodiment of the present invention, and FIG. 2 is a configuration explanatory diagram showing a conventional example. 8 is an oil cooler, 10 is an oil cooler fan, 11 is a hydraulic motor, 12 is a tank, 14 is a logic valve, 15 is an electromagnetic switching valve, 15a is a communication position, 15b is a drain position,
16 is an electromagnetic actuator, 17 is a liquid temperature sensor, and 18 is a power source.
Claims (1)
ルクーラブアン10を対設し、上記液圧モータ11の流
入側回路に、第1、第2、第3のポートA、 B、 C
を有し、第3のポートCの圧力によって第1、第2ポー
トA、 Bの連通が断続されるようにしたロジック弁1
4の第1ポートAを接続し、またこのロジ゛ンク弁14
の第2ポートBをタンク回路に、また第3ポートCと液
圧モータ11の流入側回路とを連通位置15aとドレン
位置15bとを有する電磁切換弁15を介して接続し、
上記電磁切換弁15の電磁作動部16を介して接続し、
上記電磁切換弁15の電磁作動部16をオイル温度によ
って作動する液温センサ17を介して電源18に接続し
たことを特徴とする液圧式建設機械のオイルクーラ。A dedicated oil cooler amplifier 10 connected to a hydraulic motor 11 is installed opposite the oil cooler 8, and first, second, and third ports A, B, and C are connected to the inflow side circuit of the hydraulic motor 11.
Logic valve 1, which has a logic valve 1 in which communication between the first and second ports A and B is interrupted by the pressure of the third port C.
4, and this logic valve 14.
The second port B of the tank circuit is connected to the tank circuit, and the third port C and the inflow side circuit of the hydraulic motor 11 are connected via an electromagnetic switching valve 15 having a communication position 15a and a drain position 15b,
Connected via the electromagnetic actuating part 16 of the electromagnetic switching valve 15,
An oil cooler for hydraulic construction machinery, characterized in that an electromagnetic actuating section 16 of the electromagnetic switching valve 15 is connected to a power source 18 via a liquid temperature sensor 17 that is actuated based on oil temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5845484U JPS60172008U (en) | 1984-04-23 | 1984-04-23 | Oil cooler for hydraulic construction machinery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5845484U JPS60172008U (en) | 1984-04-23 | 1984-04-23 | Oil cooler for hydraulic construction machinery |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60172008U true JPS60172008U (en) | 1985-11-14 |
Family
ID=30583964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5845484U Pending JPS60172008U (en) | 1984-04-23 | 1984-04-23 | Oil cooler for hydraulic construction machinery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60172008U (en) |
-
1984
- 1984-04-23 JP JP5845484U patent/JPS60172008U/en active Pending
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