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

Similar Documents

Publication Publication Date Title
JPS60128999U (en) Variable hydraulic pump capacity control device
JPS5876853U (en) hydraulic drive
JPS5890262U (en) blade device
JPS59160661U (en) Front loader hydraulic control device
JPS5987203U (en) Vehicle hydraulic extractor
JPS5882557U (en) Hydraulic closed circuit device
JPS5991927U (en) Hydraulic power take-off device
JPS607302U (en) Hydraulic motor circuit
JPS60139972U (en) Rapid air valve for sewage and agricultural water
JPS5985765U (en) Hydraulic circuit device for tailgate lifter
JPS5858107U (en) Hydraulic oil cooling structure
JPS5942301U (en) Hydraulic cylinder differential circuit device
JPS59186186U (en) Hydraulic system for cab tail
JPS5831713U (en) Self-propelled spacecraft
JPS58114804U (en) Oil temperature control device
JPS6029901U (en) hydraulic circuit
JPS5919477U (en) Hydraulic circuit for cab tilt device
JPS589821U (en) Installation structure of hydraulic line filter of power working machine
JPS58146632U (en) Ram tensioner device
JPS58194312U (en) combustion device
JPS60494U (en) Excavator hydraulic circuit
JPS5973124U (en) Agricultural machinery hydraulic control device
JPS59146273U (en) cab tilt hydraulic system
JPS58166996U (en) hydraulic system
JPS5947772U (en) excavator hydraulic circuit