JPS6058658U

JPS6058658U - Construction machinery work lever locking device

Info

Publication number: JPS6058658U
Application number: JP14812883U
Authority: JP
Inventors: 佐山　英明
Original assignee: 日立建機株式会社
Priority date: 1983-09-27
Filing date: 1983-09-27
Publication date: 1985-04-24

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]

第１図乃至第３図は従来の建設機械の操作レバーのロッ
ク装置を示し、第１図は縦断面図、第２図は第１図の■
−■線に沿う断面図、第３図は第１図の■−■線に沿う
断面図、第４図乃至第７図は本考案の建設機械の操作レ
バーのロック装置の一実施例を示し、第４図は縦断面図
、第５図は第４図のＡ方向矢視図、第６図は第４図のＶ
ｌ−Ｖｌ線に沿う断面図、第７図は第５図のＢ方向矢視
図である。２２・・・第１副レバー、２３・・・固定ピン、２４・
・・ばね、２５・・・運転室、２６・・・第２副レバー
、２７　　。・・・グリップ。Figures 1 to 3 show a conventional locking device for a control lever of a construction machine, where Figure 1 is a longitudinal sectional view and Figure 2 is a
- Figure 3 is a cross-sectional view taken along the line ■-■ in Figure 1, and Figures 4 to 7 show an embodiment of the locking device for the operating lever of a construction machine according to the present invention. , FIG. 4 is a longitudinal sectional view, FIG. 5 is a view taken in the direction of arrow A in FIG. 4, and FIG. 6 is a view taken in the direction of arrow V in FIG.
7 is a sectional view taken along the line l-Vl, and is a view taken in the direction of arrow B in FIG. 5. 22...First sub-lever, 23...Fixing pin, 24...
...Spring, 25...Driver's cab, 26...Second auxiliary lever, 27. ···grip.

Claims

[Scope of utility model registration request]

A retaining portion provided at the base of the operating lever, a lock pin movably and rotatably supported in the direction of the center line of the engaging portion, and a retaining portion of the operating lever provided on the lock pin. an engaging portion to be engaged; a spring for engaging the engaging portion of the lock pin with the retaining portion of the operating lever; a lever attached to the lock pin; and a lever for holding the lever in the locked and open position. When the lever is held in the locked position, the engaging part of the lock pin engages with the engaging part of the operating lever, the operating lever is locked, and the lever is held in the open position. In a locking device for a control lever of a construction machine, which is configured such that the locking state of the control lever is released by releasing the engagement state between the engagement portion of the lock pin and the engagement portion of the control lever, A lever is rotatably provided, and a sub-lever thereof is linked to the lever,
When the secondary lever is in a state where it blocks the entrance/exit of the driver's cab of the construction machine, the operating lever is in the unlocked state, and when the secondary lever is in a state where it does not block the entrance/exit of the driver's cab, A locking device for a control lever of construction machinery, characterized in that the control lever is configured to be in a locked state.