JPS6439172U - - Google Patents

Info

Publication number
JPS6439172U
JPS6439172U JP13542387U JP13542387U JPS6439172U JP S6439172 U JPS6439172 U JP S6439172U JP 13542387 U JP13542387 U JP 13542387U JP 13542387 U JP13542387 U JP 13542387U JP S6439172 U JPS6439172 U JP S6439172U
Authority
JP
Japan
Prior art keywords
port
main circuit
oil
tank
transmission
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
Application number
JP13542387U
Other languages
Japanese (ja)
Other versions
JPH07385Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987135423U priority Critical patent/JPH07385Y2/en
Publication of JPS6439172U publication Critical patent/JPS6439172U/ja
Application granted granted Critical
Publication of JPH07385Y2 publication Critical patent/JPH07385Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第３図は本考案の一実施例を示すパワ
ステアリング装置要部の配管図、側面図及び背面
図、第４図はパワシリンダの取付状態を示す要部
平面図である。 １：トランスミツシヨン、６：メータリングポ
ンプ、７：切換弁、８：メイン回路、９：デリバ
リーパイプ、１３：リターンパイプ、１７：ポン
プポート、１８：タンクポート、１９：油溜り、
２２：逆止弁、２５：パワシリンダ。 1 to 3 are a piping diagram, a side view, and a rear view of the main parts of a power steering device showing an embodiment of the present invention, and FIG. 4 is a plan view of the main parts showing the installed state of the power cylinder. 1: Transmission, 6: Metering pump, 7: Switching valve, 8: Main circuit, 9: Delivery pipe, 13: Return pipe, 17: Pump port, 18: Tank port, 19: Oil sump,
22: Check valve, 25: Power cylinder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] デリバリーパイプ９とリターンパイプ１３とか
らなるメイン回路８中に設けた切換弁７をハンド
ル操作によつて作動するメータリングポンプ６で
制御してパワシリンダ２５を作動させ、上記メイ
ン回路端をトランスミツシヨン１内に接続してト
ランスミツシヨン用潤滑油をパワステアリング用
オイルとして利用する機構において、上記メイン
回路８と切換弁７との接続部におけるタンクポー
ト１８側とポンプポート１７側との間にタンクポ
ート１８側からポンプポート１７側へのみオイル
の吸込みを許容する逆止弁２２を介装したバイパ
ス回路を並設するとともに、前記リターンパイプ
１３のタンクポート１８より高い位置に油溜りを
設けてなる作業車用パワステアリング装置。 A switching valve 7 provided in a main circuit 8 consisting of a delivery pipe 9 and a return pipe 13 is controlled by a metering pump 6 operated by a handle operation to operate a power cylinder 25, and the end of the main circuit is connected to a transmission. 1, the tank is connected between the tank port 18 side and the pump port 17 side at the connection between the main circuit 8 and the switching valve 7, in which the lubricating oil for the transmission is used as the power steering oil. A bypass circuit equipped with a check valve 22 that allows oil to be sucked only from the port 18 side to the pump port 17 side is installed in parallel, and an oil reservoir is provided in the return pipe 13 at a higher position than the tank port 18. Power steering device for work vehicles.
JP1987135423U 1987-09-03 1987-09-03 Power steering device for work vehicle Expired - Lifetime JPH07385Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987135423U JPH07385Y2 (en) 1987-09-03 1987-09-03 Power steering device for work vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987135423U JPH07385Y2 (en) 1987-09-03 1987-09-03 Power steering device for work vehicle

Publications (2)

Publication Number Publication Date
JPS6439172U true JPS6439172U (en) 1989-03-08
JPH07385Y2 JPH07385Y2 (en) 1995-01-11

Family

ID=31395033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987135423U Expired - Lifetime JPH07385Y2 (en) 1987-09-03 1987-09-03 Power steering device for work vehicle

Country Status (1)

Country Link
JP (1) JPH07385Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101658U (en) * 1979-01-09 1980-07-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101658U (en) * 1979-01-09 1980-07-15

Also Published As

Publication number Publication date
JPH07385Y2 (en) 1995-01-11

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