JPS5890262U - blade device - Google Patents

blade device

Info

Publication number
JPS5890262U
JPS5890262U JP18371681U JP18371681U JPS5890262U JP S5890262 U JPS5890262 U JP S5890262U JP 18371681 U JP18371681 U JP 18371681U JP 18371681 U JP18371681 U JP 18371681U JP S5890262 U JPS5890262 U JP S5890262U
Authority
JP
Japan
Prior art keywords
blade device
boom
drain circuit
lowering
blade
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
JP18371681U
Other languages
Japanese (ja)
Other versions
JPS639634Y2 (en
Inventor
勉 阿部
Original Assignee
小松インタ−ナシヨナル製造株式会社
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 by 小松インタ−ナシヨナル製造株式会社 filed Critical 小松インタ−ナシヨナル製造株式会社
Priority to JP18371681U priority Critical patent/JPS5890262U/en
Publication of JPS5890262U publication Critical patent/JPS5890262U/en
Application granted granted Critical
Publication of JPS639634Y2 publication Critical patent/JPS639634Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (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

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

第１図は従来例を示す概略的説明図、第２図は本考案の
実施例を示す概略的説明図である。 １はブレード、３はブーム、４はブームシリンダ、５は
ブーム操作弁、７は下げ何回路、９はドレン回路、１０
は断続切換弁、１１は可変リリーフ弁。FIG. 1 is a schematic explanatory diagram showing a conventional example, and FIG. 2 is a schematic explanatory diagram showing an embodiment of the present invention. 1 is the blade, 3 is the boom, 4 is the boom cylinder, 5 is the boom operation valve, 7 is the lowering circuit, 9 is the drain circuit, 10
11 is an intermittent switching valve, and 11 is a variable relief valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブームシリンダ４にて昇降動作するブーム３にブレード
１を装着したブレード装置において、ブームシリンダ４
の下げ側室４ａとブーム操作弁５とを結ぶ下げ側回蕗７
にドレン回路９を接続し、このドレン回路９に断続切換
弁１０と可変リリーフ弁１１とを直列に介装すると共に
、これらの操作部を運転席に設けたことを特徴とするブ
レード装置。In a blade device in which a blade 1 is attached to a boom 3 that moves up and down with a boom cylinder 4, the boom cylinder 4
A lowering-side inlet 7 connecting the lowering-side chamber 4a and the boom operation valve 5
A blade device characterized in that a drain circuit 9 is connected to the drain circuit 9, an intermittent switching valve 10 and a variable relief valve 11 are interposed in series in the drain circuit 9, and an operating section for these is provided in the driver's seat.
JP18371681U 1981-12-11 1981-12-11 blade device Granted JPS5890262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18371681U JPS5890262U (en) 1981-12-11 1981-12-11 blade device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18371681U JPS5890262U (en) 1981-12-11 1981-12-11 blade device

Publications (2)

Publication Number Publication Date
JPS5890262U true JPS5890262U (en) 1983-06-18
JPS639634Y2 JPS639634Y2 (en) 1988-03-22

Family

ID=29983232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18371681U Granted JPS5890262U (en) 1981-12-11 1981-12-11 blade device

Country Status (1)

Country Link
JP (1) JPS5890262U (en)

Also Published As

Publication number Publication date
JPS639634Y2 (en) 1988-03-22

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