JPS59151970U - Hydraulic brake device - Google Patents
Hydraulic brake deviceInfo
- Publication number
- JPS59151970U JPS59151970U JP4272683U JP4272683U JPS59151970U JP S59151970 U JPS59151970 U JP S59151970U JP 4272683 U JP4272683 U JP 4272683U JP 4272683 U JP4272683 U JP 4272683U JP S59151970 U JPS59151970 U JP S59151970U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- control valve
- limit switch
- power source
- controls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
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
第１図は従来の油圧ブレーキ装置の油圧回路図、第２図
は本考案に係る油圧ブレーキ装置の一実施例を示す油圧
回路とその制御系統図である。・１０・・・油圧源、１
２・・・原動機、１４・・・ネガティブブレーキ、１４
ａ・・・液室、１６・・・油圧モータ、１８・・・制御
弁、２０・・・シャトル弁、２２・・・安全弁、２４・
・・スイッチ作動杆、２６・・・リミットスイッチ、２
８・・・励磁接点、２８ａ・・・励磁コイル、３０・・
・電源、３２・・・信号発生回路、３４・・・オフディ
レー形遅延リレー、３６・・・電磁切換弁、３Ｂ・・・
発電機、４０・・・定電圧装置。
ＦＩＧ、１
ＦＩＧ、２FIG. 1 is a hydraulic circuit diagram of a conventional hydraulic brake system, and FIG. 2 is a diagram of a hydraulic circuit and its control system showing an embodiment of the hydraulic brake system according to the present invention.・10... Hydraulic source, 1
2... Prime mover, 14... Negative brake, 14
a...Liquid chamber, 16...Hydraulic motor, 18...Control valve, 20...Shuttle valve, 22...Safety valve, 24...
...Switch operating rod, 26...Limit switch, 2
8... Excitation contact, 28a... Excitation coil, 30...
・Power supply, 32...Signal generation circuit, 34...Off delay type delay relay, 36...Solenoid switching valve, 3B...
Generator, 40... Constant voltage device. FIG, 1 FIG, 2
Claims (2)
油圧力により解除されるネガティブブレーキを備えた油
圧モータと、この油圧モータへの圧油流量を制御する制
御弁と、この制御弁と前記油圧モータとの間に設置され
てネガティブブレーキに対し圧油を選択的に供給するシ
ャトル弁とからなり、前記制御弁の一端部に連設されか
つ制御弁の切換動作に従って作動するリミットスイッチ
と、このリミットスイッチの一方の接続端子に接続され
る信号発生回路と、この信号発生回路で発生した信号を
前記リミットスイッチの０Ｎ＝ＯＦＦ動作に追従して制
御動作するオフディレー形遅延リレーと、この遅延リレ
ーの作用下に前記シャトル弁を介してネガティブレーキ
の液室に供給される圧油の供給遮断制御を行う電磁切換
弁とを設けることを特徴とする油圧ブレーキ装置。(1) At least a hydraulic source and a prime mover that drives it,
A hydraulic motor equipped with a negative brake that is released by hydraulic pressure, a control valve that controls the flow of pressure oil to the hydraulic motor, and a control valve installed between the control valve and the hydraulic motor that controls the flow of pressure oil to the negative brake. a shuttle valve that selectively supplies the control valve, a limit switch that is connected to one end of the control valve and operates according to the switching operation of the control valve, and a signal generation circuit that is connected to one connection terminal of the limit switch. and an off-delay type delay relay that controls the signal generated by this signal generation circuit by following the 0N=OFF operation of the limit switch, and under the action of this delay relay, the liquid of the negative rake is transmitted through the shuttle valve. A hydraulic brake device characterized by being provided with an electromagnetic switching valve that controls supply cutoff of pressure oil supplied to a chamber.
キ装置において、リミットスイッチの一方の接続端子に
接続される信号発生回路は、電磁切換弁を付勢するため
の電源とこの電源の開閉制御を行う励磁接点とからなり
、前記励磁接点の励磁コイルを、油圧源を駆動する原動
機の作動により所定の作動により所定の電位を発生す
□る電源手段によって付勢するよう構成してなる油圧
ブレーキ装置。(2) Utility Model Registration Scope of Claims In the hydraulic brake device according to claim 1, the signal generation circuit connected to one connection terminal of the limit switch includes a power source for energizing the electromagnetic switching valve and opening/closing of this power source. and an excitation contact that performs control, and the excitation coil of the excitation contact generates a predetermined potential by a predetermined operation by the operation of a prime mover that drives a hydraulic power source.
□A hydraulic brake device configured to be energized by a power source means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4272683U JPS59151970U (en) | 1983-03-26 | 1983-03-26 | Hydraulic brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4272683U JPS59151970U (en) | 1983-03-26 | 1983-03-26 | Hydraulic brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59151970U true JPS59151970U (en) | 1984-10-11 |
Family
ID=30173260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4272683U Pending JPS59151970U (en) | 1983-03-26 | 1983-03-26 | Hydraulic brake device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59151970U (en) |
-
1983
- 1983-03-26 JP JP4272683U patent/JPS59151970U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1444403A (en) | System for axjtovehici | |
| JPS59151970U (en) | Hydraulic brake device | |
| JPS59150003U (en) | Hydraulic lock valve device | |
| KR850000643A (en) | Boiler air volume control device | |
| US2148227A (en) | Starting system | |
| US2863286A (en) | Control system for power brake system utilizing auxiliary vacuum pump | |
| JPS59164803U (en) | Hydraulic actuator operation circuit | |
| JPS5999144U (en) | fuel cutoff device | |
| US2506544A (en) | Auxiliary control for hydraulic | |
| JPS5816264U (en) | Operation circuit of hydraulic actuator in construction machinery | |
| JPS6339392Y2 (en) | ||
| JPH0312613Y2 (en) | ||
| JPS6460465A (en) | Braking force control device | |
| JPS62175303U (en) | ||
| JPS603286U (en) | pressure booster pump | |
| JPS58173745U (en) | Engine-driven generator rotation speed control device | |
| JPS58164908U (en) | Air compressor drive device for vehicle height adjustment device | |
| JPS60165670U (en) | Solenoid valve starting circuit | |
| JPS5914939U (en) | Automatic engine stop device for aerial work vehicles | |
| JPS59102651U (en) | Control device for push-pull device in motor scraper | |
| JPS58142423U (en) | electromagnetic clutch | |
| JPS60175837U (en) | electronic speed governor | |
| JPS59163204U (en) | Truck crane remote control device | |
| JPS59175724U (en) | clutch operating device | |
| JPS5857571U (en) | Electromagnetic pump drive circuit |