JPS5872265U - Control lever locking device - Google Patents
Control lever locking deviceInfo
- Publication number
- JPS5872265U JPS5872265U JP16579781U JP16579781U JPS5872265U JP S5872265 U JPS5872265 U JP S5872265U JP 16579781 U JP16579781 U JP 16579781U JP 16579781 U JP16579781 U JP 16579781U JP S5872265 U JPS5872265 U JP S5872265U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pump
- locking device
- control lever
- control valve
- lever
- 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
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (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図は油圧シカベルの概略構成の側面図、第２図は油
圧ショベルの概略構成の平面図、第３図は油圧ショベル
の油圧回路図、第４図は従来の運転室内の操作レバーの
概略構成の側面図、第゛５図は従来の操作レバーのロッ
ク装置の一部断面を含む側面図、第６図は従来の操作レ
バーのレバースタンドの下部正面図、第７図は本考案の
操作レバーのロック装置の一実施例の断面図、第８図は
本考案の操作レバーのロック装置に使用される油圧回路
の一実施例を示す油圧回路図である。
１・・・・・・第１の油圧ポンプ、２・・曲パケット用
コントロールバルブ、３・・・・・・ブーム用コントロ
ールバルブ、４・・曲走行（右）用コントロールバルブ
、５・・・・・・第２の油圧ポンプ、６・・・・・・ア
ーム用コントロールバルブ、７・・−旋回用コントロー
ルバルブ、８…・・・走行用コントロールバルブ、４０
・・・・・・アームシリンダ、５０・・・・・・旋回モ
ータ、６０・・・・・・パケットシリンダ、７０・・・
・・・ブームシリンダ、８０・・・・・・左走行モータ
、９０・・・・・・右走行モータ、１０２・・・・・・
操作レバー、１１３・・・・・・シリンダロッド、１１
４・・・・・・突起、１１５・・・・・・プレート、１
１６・・・・・・ばね室、１１７・曲・油室、１２０・
・曲ポート、１３０・・・・・・管路、２００・・・・
・・第３の油圧ポンプ。Fig. 1 is a side view of the general configuration of a hydraulic excavator, Fig. 2 is a plan view of the general configuration of the hydraulic excavator, Fig. 3 is a hydraulic circuit diagram of the hydraulic excavator, and Fig. 4 is a schematic diagram of the conventional operating lever in the operator's cab. A side view of the configuration, FIG. 5 is a side view including a partial cross section of a conventional locking device for an operating lever, FIG. 6 is a front view of the lower part of a lever stand of a conventional operating lever, and FIG. FIG. 8 is a sectional view of an embodiment of the lever locking device. FIG. 8 is a hydraulic circuit diagram showing an embodiment of the hydraulic circuit used in the operating lever locking device of the present invention. 1...First hydraulic pump, 2...Control valve for song packet, 3...Control valve for boom, 4...Control valve for song travel (right), 5... ... Second hydraulic pump, 6 ... Control valve for arm, 7 ... Control valve for swing, 8 ... Control valve for traveling, 40
...Arm cylinder, 50...Swivel motor, 60...Packet cylinder, 70...
...Boom cylinder, 80...Left travel motor, 90...Right travel motor, 102...
Operation lever, 113...Cylinder rod, 11
4... Protrusion, 115... Plate, 1
16...Spring chamber, 117・Block/oil chamber, 120・
・Curved port, 130... Conduit, 200...
...Third hydraulic pump.
Claims (1)
圧ポンプと、この油圧ポンプの圧油で作動するアクチュ
エータと、前記油圧ポンプと前記アクチュエータとの間
に介在して前記アクチュエータの作動を制御するコント
ロールバルブと、このコントロールバルブを操作する操
作レバーとを備えた油圧装置において、前記操作レバー
と係合可能に設けられたロック部材と、前記原動機の運
転を停止して前記油圧ポンプからの圧油の供給が停止し
たとき前記ロック部材を操作レバーに自動的に係合する
手段とを設けたことを特徴とする操作レバーのロック装
置。A prime mover, at least one hydraulic pump driven by the prime mover, an actuator operated by pressure oil of the hydraulic pump, and a control valve interposed between the hydraulic pump and the actuator to control operation of the actuator. and a control lever for operating the control valve, the locking member being engageable with the control lever, and supplying pressure oil from the hydraulic pump by stopping operation of the prime mover. A locking device for an operating lever, comprising means for automatically engaging the locking member with the operating lever when the locking member is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16579781U JPS5872265U (en) | 1981-11-09 | 1981-11-09 | Control lever locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16579781U JPS5872265U (en) | 1981-11-09 | 1981-11-09 | Control lever locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5872265U true JPS5872265U (en) | 1983-05-16 |
Family
ID=29957983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16579781U Pending JPS5872265U (en) | 1981-11-09 | 1981-11-09 | Control lever locking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63141262U (en) * | 1987-03-05 | 1988-09-16 | ||
| JPH0244910U (en) * | 1988-09-19 | 1990-03-28 |
-
1981
- 1981-11-09 JP JP16579781U patent/JPS5872265U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63141262U (en) * | 1987-03-05 | 1988-09-16 | ||
| JPH0244910U (en) * | 1988-09-19 | 1990-03-28 |
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