JPS60100463U

JPS60100463U - Safety device for lifting work vehicles

Info

Publication number: JPS60100463U
Application number: JP19138883U
Authority: JP
Inventors: 佐々木　芳博; 孝行佐藤
Original assignee: 新キャタピラ−三菱株式会社
Priority date: 1983-12-12
Filing date: 1983-12-12
Publication date: 1985-07-09
Also published as: JPH0410292Y2

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図は従来技術を説明するために例示したツーウェイ
ドーザの側面図、第２図はこの考案の好適実施例に係わ
るツーウェイドーザの側面図、第３：：：蟲−シｚＰ７
儒＝第５図は他の実施例に係わるセーフティ装置取付部の部
分的正面図、第６図は第５図のＶＩ−ＶＩ線に沿う拡大
断面図、第７図はロックレバ−の平面図、第８図および
第９図はそれぞれ異なった更に別の実施例に係わるセー
フティ装置の説明図である。１・・・・・・車両本体、２・・・・・・作業機保持ア
ーム、２ａ・・・・・・ロックピン係合部として例示し
たロック　　　　□孔、３・・・・・・リフトシリンダ
、４・・・・・・作業機として例示したブレード、８・
・・・・・ロックピンブラケット、９・・・・・・ロッ
クピン。第５図　　− 第８図Fig. 1 is a side view of a two-way dozer exemplified to explain the prior art, Fig. 2 is a side view of a two-way dozer according to a preferred embodiment of this invention, and Fig. 3::: Mushi-shizP7.
儒= Fig. 5 is a partial front view of a safety device mounting part according to another embodiment, Fig. 6 is an enlarged sectional view taken along line VI-VI in Fig. 5, and Fig. 7 is a plan view of the lock lever. FIGS. 8 and 9 are explanatory diagrams of safety devices according to further different embodiments. 1...Vehicle main body, 2...Work equipment holding arm, 2a...Lock □ hole illustrated as a lock pin engagement part, 3...Lift cylinder , 4...Blade illustrated as a working machine, 8.
...Lock pin bracket, 9...Lock pin. Figure 5 - Figure 8

Claims

[Scope of utility model registration request]

(1) A work vehicle such as a dozer or loader, an arm whose base end is pivotally supported by the vehicle body so as to be able to move up and down, and whose tip end holds all the work equipment such as a blade or packet, and which drives the arm up and down. A safety device for lifting a working vehicle, comprising: a lift cylinder that is integrally formed on the arm at a distance from a base end shaft fulcrum; a lock pin bracket extending in a direction along the side surface of the arm; and a lock pin bracket provided on the bracket that is movably held and engaged with the lock pin engaging portion in a locking position and a non-engaging position. 1. A safety device for lifting a working vehicle, characterized in that the locking pin on the left side is configured to prevent at least upward movement of the arm at a certain position.

(2) Claims for registration of a utility model characterized in that the lock pin bracket has a means for preventing the lock pin from falling off for abutting the lock pin at a position where the lock pin cannot be pulled out from the bracket. The safety device for lifting a work vehicle as described in item 1.

(3) The lock pin bracket or the lock pin falling-off prevention means includes a nap locking means for locking the lock pin in an engaged position and a non-locking position with respect to the lock pin engaging portion on the work equipment holding arm side. A work vehicle (1) (4) according to claim 1 or 2 of the utility model registration claim characterized in that it is equipped with: 'cy'/'ye
:/fart. 36. Lifting of a working vehicle according to claim 3 of the utility model registration claim, characterized in that ヮ-□ is always energized. The first claim for utility model registration is characterized in that J″ is two in 14.i□yo.7.7.7°.
A safety device for lifting a work vehicle according to any one of items 1 to 3.