JPS6010902U

JPS6010902U - hydraulic drive

Info

Publication number: JPS6010902U
Application number: JP10266083U
Authority: JP
Inventors: 杉村　光照
Original assignee: 松下電器産業株式会社
Priority date: 1983-07-01
Filing date: 1983-07-01
Publication date: 1985-01-25

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図は従来例の油圧駆動装置を説明するためのオイル
系統図、第２図〜第６図は本考案の油圧駆動装置の各実
施例のオイル系統図、を示す。１・・・・・・オイルシリンダー、２・・・・・・ピス
トン、３Ａ、　　３Ｂ・・・・・・給油管、４Ａ、　　
４Ｂ、　　６・・・・・・切換弁、５Ａ、　　５Ｂ・・
・・・・給排気管、？、９．１１・・・・・・流量調整
装置、ａ、１０．１２・・・・・・逆止弁、１４Ａ。１４Ｂ・・・・・・三方弁、Ａ・・・・・・高圧エアタ
ンク、ＴＡ。ＴＢ・・・・・・オイルタンク。FIG. 1 shows an oil system diagram for explaining a conventional hydraulic drive device, and FIGS. 2 to 6 show oil system diagrams of each embodiment of the hydraulic drive device of the present invention. 1... Oil cylinder, 2... Piston, 3A, 3B... Oil supply pipe, 4A,
4B, 6...Switching valve, 5A, 5B...
...Supply and exhaust pipes? , 9.11...Flow rate adjustment device, a, 10.12...Check valve, 14A. 14B...Three-way valve, A...High pressure air tank, TA. TB・・・Oil tank.

Claims

[Claims for Utility Model Registration] 1. A piston is installed inside the cylinder divided into a first chamber and a second chamber, a first oil tank, a second oil tank, an air switching valve, a high-pressure air tank, and a flow rate adjustment device. A first oil supply pipe connects the first chamber of the cylinder and the bottom of the oil tank through the parallel passage, and a second oil supply pipe connects the second chamber and the bottom of the second oil tank to the stop valve. the first and second oil tanks are connected to each other by a pipe, or the upper parts of the first and second oil tanks are connected to the air switching valve by first and second supply and exhaust pipes, and the high pressure air tank is also connected to the first and second oil tanks;
, the upper part of each of the second oil tanks is configured to be switched to a high-pressure tank tank or an exhaust port of the air switching valve, and the piston in the cylinder is moved slowly in one direction and fast in the other direction. Hydraulic drive device. 2. Utility Model Registered Claim The hydraulic drive device according to claim 1, wherein the parallel passage is provided in the second oil supply pipe. 3. Utility Model Registered Claim The hydraulic drive device according to claim 1, wherein the parallel passage is provided in the first air supply and exhaust pipe. 4 Utility Model Registration Scope of Claims 2. In the hydraulic drive device according to claim 2, the second oil supply pipe is thickened and provided with a check valve, and a flow rate adjustment device is arranged in parallel to form a parallel passage, and the oil in the second oil tank is The viscosity of the oil is greater than that of the oil in the first oil tank.