JPS6128799U

JPS6128799U - Forklift hydraulic system

Info

Publication number: JPS6128799U
Application number: JP11438384U
Authority: JP
Inventors: 正一中川
Original assignee: 株式会社をくだ屋技研
Priority date: 1984-07-26
Filing date: 1984-07-26
Publication date: 1986-02-20
Also published as: JPH0231517Y2

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図は本考案の一実施例を示す要部油圧回路図、第２
図は部分平面図、第３図はフォークリフトめ側面図、第
４図は同背面図、第５図乃至第８図は要部の作動説明図
、第９図は従莱例を示す断面説明図である。１５・・・荷受フォーク、１７・・・マスタシリンク、
２３・・・昇降レバー、２４・・・油圧ポンプ、２５・
・・電動モータ、２９・・・油タンク、３０・・・油圧
切換弁、３５・・・中立チェック弁、３８・・・下降チ
ェック弁。Fig. 1 is an essential hydraulic circuit diagram showing one embodiment of the present invention;
The figure is a partial plan view, Fig. 3 is a side view of the forklift, Fig. 4 is a rear view of the same, Figs. It is. 15... Receiving fork, 17... Master cylinder link,
23... Elevating lever, 24... Hydraulic pump, 25.
...Electric motor, 29...Oil tank, 30...Hydraulic pressure switching valve, 35...Neutral check valve, 38...Descent check valve.

Claims

[Scope of utility model registration request]

A forklift equipped with a cargo receiving fork that can be raised and lowered, a master cylinder for raising the fork, a hydraulic pump for operating the mask cylinder, and an electric motor for driving the pump. A descending check valve and a neutral check valve are incorporated into the hydraulic switching valve that connects and controls the oil tank, and the master cylinder is kept stopped by the descending check valve while the lifting lever of the switching valve is switched to the ascending position. . A hydraulic system for a forklift, further comprising a structure in which the motor can be started while the hydraulic pump is connected to an oil tank by the neutral check valve.