JPS612561U

JPS612561U - Hydraulic excavator steering system

Info

Publication number: JPS612561U
Application number: JP8747084U
Authority: JP
Inventors: 宏下垣内
Original assignee: 油谷重工株式会社
Priority date: 1984-06-12
Filing date: 1984-06-12
Publication date: 1986-01-09
Also published as: JPH04117Y2

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

[Brief explanation of drawings]

図面はいずれも本考案の実施例であるが第１図は全体を
示す斜視図、第２図は第１図と操作パターンが異なる場
合の要部の作動系統を示す平面図、第３図は第１図のＡ
から見た図、第４図は第１図のＢから見た図、第５図は
第４図のＣから見た図、第６図１ま操作パターンか変更
する場合の説一図、第７図は本考案の他の実施例の要部
の作動系統を示す平面図である。１・・・操作レバー、２・・・ロツド、３・・・ベルク
ランク、４・・・ロツド、５・・・ベルクランク、６・
・・轡作レバー、７・・・ロツド、８・・・ベルクラン
ク、９・・・ロッド、１０・・・ベルクランク、′１１
・・・ベルクランク、１２・・・ベルクランク、１３・
・・べくレクランク、１４・・・ベルクランク、１５・
・・シャフト、１−７・・・パイフ、１Ｂ・・・レバー
、１９・・・レ，バー、２０・・・シャフト、２１・・
・レバー、２２−・・・レバー、２３・・・パイプ、２
４・・・パイプ、２５・・・シャフト、２６・・・パイ
プ、２７・・・レバー、２８・・・レバー、２９・・・
シャフト、３０・・・パイプ、３１・・・レバー、−３
２・・・レバ−一、３３・・・連結ロツド、３４・・・
連結ロツド、３５・・・連結ロツド、３６−．−７連
結ロツド、３７・・・バケツト操作用コントロール弁、
３８・・・ブーム操作用コントロール弁、３９◆・・ア
ーム操作用コントロール、弁、４．０・・・旋回用
コントロール弁、４１・・・ロッｔ’−、４２・・・ロ
ツド、４３・・・ロッド、４４・・・ロツド。The drawings are all embodiments of the present invention, but Fig. 1 is a perspective view showing the whole, Fig. 2 is a plan view showing the operating system of the main parts when the operation pattern is different from Fig. 1, and Fig. 3 is a perspective view showing the whole. A in Figure 1
Figure 4 is a view seen from B in Figure 1, Figure 5 is a view seen from C in Figure 4, Figure 6 is a diagram for explaining when changing the operation pattern, Figure 4 is a view seen from B in Figure 1. FIG. 7 is a plan view showing the main operating system of another embodiment of the present invention. 1... Operation lever, 2... Rod, 3... Bell crank, 4... Rod, 5... Bell crank, 6...
...Customized lever, 7... Rod, 8... Bell crank, 9... Rod, 10... Bell crank, '11
... Bell crank, 12... Bell crank, 13.
...Bekre Crank, 14...Bell Crank, 15.
...shaft, 1-7...pipe, 1B...lever, 19...le, bar, 20...shaft, 21...
・Lever, 22-... Lever, 23... Pipe, 2
4...Pipe, 25...Shaft, 26...Pipe, 27...Lever, 28...Lever, 29...
Shaft, 30...Pipe, 31...Lever, -3
2... Lever 1, 33... Connection rod, 34...
Connection rod, 35... Connection rod, 3 6-. -7 connection rod, 37... control valve for bucket operation,
38... Control valve for boom operation, 39◆... Control for arm operation, valve, 4.0... Control valve for swing, 41... Lot'-, 42... Rod, 43...・Rod, 44... Rod.

Claims

[Scope of utility model registration request]

A pair of left and right operating levers that can be operated front and rear, left and right, and a left and right lever connected to each of the operating levers via a pair of rods.
In a hydraulic excavator control system consisting of a pair of bell cranks, a rear bell crank connected to two pairs of bell cranks via rods, and a connecting rod connecting the front and rear bell cranks, the rear bell crank A hydraulic excavator control device comprising: a shaft; a pipe fitted into the shaft and movably coupled; means for fixing the shaft and the pipe; and a lever protruding from these.