JPS60128001U - Hydraulic circuit of working equipment - Google Patents
Hydraulic circuit of working equipmentInfo
- Publication number
- JPS60128001U JPS60128001U JP1504384U JP1504384U JPS60128001U JP S60128001 U JPS60128001 U JP S60128001U JP 1504384 U JP1504384 U JP 1504384U JP 1504384 U JP1504384 U JP 1504384U JP S60128001 U JPS60128001 U JP S60128001U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic circuit
- chamber
- work equipment
- cylinder
- closed
- 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
Links
Landscapes
- Operation Control Of Excavators (AREA)
- 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図はパケットを装着した作業装置の上面図、第２図
はその不具合説明図、第３図は従来の油圧回路図、第４
図はバックグレーディング作業の説明図、第５図はフォ
ークを装着した作業装置の説明図、第６図は本考案の油
圧回路の一実施例を示す油圧回路図である。
２はブーム、３はブームシリンダ、４は作業機（パケッ
ト、フォーク）、５は作業機シリンダ（パケットシリン
ダ）５ａは縮少室、５ｂは伸長室、１０は作業機シリン
ダ（パケットシリンダ）。Figure 1 is a top view of the working device with the packet attached, Figure 2 is a diagram explaining the problem, Figure 3 is a conventional hydraulic circuit diagram, and Figure 4 is a diagram of the conventional hydraulic circuit.
5 is an explanatory diagram of a backgrading operation, FIG. 5 is an explanatory diagram of a working device equipped with a fork, and FIG. 6 is a hydraulic circuit diagram showing an embodiment of the hydraulic circuit of the present invention. 2 is a boom, 3 is a boom cylinder, 4 is a working machine (packet, fork), 5 is a working machine cylinder (packet cylinder), 5a is a contraction chamber, 5b is an extension chamber, 10 is a working machine cylinder (packet cylinder).
Claims (1)
をベルクランク６と作業機シリンダ５によって上下回動
自在に設けた作業装置において、前記作業機シリンダ５
に圧油を供給する作業機操作弁１０を、作業機シリンダ
５の伸長室５ｂ、縮少室５ａに圧油を供給するチルト位
置、タンプ位置、伸長室５ｂ、縮少室５ａを閉塞する保
持位置、伸長室５ｂを閉塞し、かつ縮少室５ａを絞り２
８を介してドレーンに接続する浮位置を有するものとし
たことを特徴とする作業装置の油圧回路。A work equipment 4 is attached to a boom 2 that is swung up and down by a boom cylinder 3.
In a working device in which a bell crank 6 and a working machine cylinder 5 are used to freely move up and down, the working machine cylinder 5
The work equipment operating valve 10 is held in the tilt position, the tamp position, and the extension chamber 5b and the contraction chamber 5a are closed, and the work equipment operating valve 10 is held at the tilt position and tamp position, where the extension chamber 5b and the contraction chamber 5a of the work equipment cylinder 5 are closed. position, the expansion chamber 5b is closed and the contraction chamber 5a is squeezed 2.
1. A hydraulic circuit for a working device, characterized in that it has a floating position connected to a drain via a hydraulic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1504384U JPS60128001U (en) | 1984-02-07 | 1984-02-07 | Hydraulic circuit of working equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1504384U JPS60128001U (en) | 1984-02-07 | 1984-02-07 | Hydraulic circuit of working equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60128001U true JPS60128001U (en) | 1985-08-28 |
| JPH0348287Y2 JPH0348287Y2 (en) | 1991-10-15 |
Family
ID=30500524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1504384U Granted JPS60128001U (en) | 1984-02-07 | 1984-02-07 | Hydraulic circuit of working equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60128001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010110386A1 (en) * | 2009-03-26 | 2010-09-30 | 株式会社小松製作所 | Method for construction vehicle control and control device |
| JP2015010684A (en) * | 2013-07-01 | 2015-01-19 | 株式会社クボタ | Hydraulic circuit of work vehicle |
-
1984
- 1984-02-07 JP JP1504384U patent/JPS60128001U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010110386A1 (en) * | 2009-03-26 | 2010-09-30 | 株式会社小松製作所 | Method for construction vehicle control and control device |
| CN102362035A (en) * | 2009-03-26 | 2012-02-22 | 株式会社小松制作所 | Method for construction vehicle control and control device |
| JP5277449B2 (en) * | 2009-03-26 | 2013-08-28 | 株式会社小松製作所 | Work vehicle, work vehicle control method and control device |
| EP2412875A4 (en) * | 2009-03-26 | 2017-02-01 | Komatsu Ltd. | Method for construction vehicle control and control device |
| EP3239408A3 (en) * | 2009-03-26 | 2017-12-06 | Komatsu Ltd. | Control method and control apparatus for work vehicle |
| JP2015010684A (en) * | 2013-07-01 | 2015-01-19 | 株式会社クボタ | Hydraulic circuit of work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348287Y2 (en) | 1991-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60128001U (en) | Hydraulic circuit of working equipment | |
| JPS5943567U (en) | Construction machinery hydraulic circuit | |
| JPS6085340U (en) | Lifting position regulating device for work traveling aircraft | |
| JPS59107665U (en) | Installation structure of operating valve in hydraulic circuit | |
| JPS58128258U (en) | Structure crushing device | |
| JPS60172868U (en) | Hydraulic excavator hydraulic circuit | |
| JPS591759U (en) | shovel | |
| JPS5863254U (en) | Mounting structure of rod bracket on main boom of backhoe | |
| JPS60153777U (en) | Hydraulic breaker chisel sliding part greasing device | |
| JPS591760U (en) | excavator | |
| JPS59102985U (en) | Protection device for hydraulic cylinder rod for concrete pump | |
| JPS608744U (en) | Construction machinery outrigger device | |
| JPS5973124U (en) | Agricultural machinery hydraulic control device | |
| JPS6029813U (en) | Building joint cover | |
| JPS6022284U (en) | Hydraulic breaker dry firing prevention device | |
| JPS5947772U (en) | excavator hydraulic circuit | |
| JPS5969252U (en) | Multi-joint mechanism hydraulic control device | |
| JPS5935450U (en) | working equipment | |
| JPS5882503U (en) | Remote control device for cylinder-actuated work equipment | |
| JPS59144056U (en) | Backhoe | |
| JPS60181460U (en) | Hydraulic circuit device for wedge-shaped rock crusher | |
| JPS5956260U (en) | Extendable bucket link structure of bucket hoe | |
| JPS6115348U (en) | Hydraulic power shovel boom lifting device | |
| JPS59183372U (en) | Hydraulic breaker device | |
| JPS6099923U (en) | Lifting device for operating table |