JPS58133601U - brake valve device - Google Patents
brake valve deviceInfo
- Publication number
- JPS58133601U JPS58133601U JP2961482U JP2961482U JPS58133601U JP S58133601 U JPS58133601 U JP S58133601U JP 2961482 U JP2961482 U JP 2961482U JP 2961482 U JP2961482 U JP 2961482U JP S58133601 U JPS58133601 U JP S58133601U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- circuit
- rotation side
- receiving surface
- pressure receiving
- 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.)
- Granted
Links
Landscapes
- 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図は従来例を示す回路図、第２図は従来例における
回路内の圧力上昇を示す線図、第３図以下は本考案の実
施例を示すもので、第３図は回路図、第４図から第９図
は本考案の実施例および作用を具体的に示す断面図、第
１０図は本考案例における回路内の圧力上昇を示す線図
である。
１は油圧モータ、２，３は正転側、逆転側の回路、４は
操作弁、５はブレーキ弁装置、６はカウンタバランス弁
、７ａ、７ｂはクロスオーバ安全弁、８はドレン切換弁
、９はタイマ弁、１０は背圧室。Fig. 1 is a circuit diagram showing a conventional example, Fig. 2 is a diagram showing pressure rise in the circuit in the conventional example, Fig. 3 and the following show embodiments of the present invention, and Fig. 3 is a circuit diagram, FIGS. 4 to 9 are sectional views specifically showing the embodiment and operation of the present invention, and FIG. 10 is a diagram showing the pressure rise in the circuit in the example of the present invention. 1 is a hydraulic motor, 2 and 3 are forward rotation side and reverse rotation side circuits, 4 is an operating valve, 5 is a brake valve device, 6 is a counter balance valve, 7a and 7b are crossover safety valves, 8 is a drain switching valve, 9 is a timer valve, and 10 is a back pressure chamber.
Claims (1)
回路３にて接続する油圧回路内に介装するブレーキ弁装
置において、カウンタバランス弁６と、２個の受圧面を
有し、一方の受圧面に作用する圧油を低圧でリリーフし
、他方の受圧面に作用する圧油を高圧でリリーフするよ
うにし、またこれらのリリーフ作動をブロックする背圧
室１０を有し、低圧側の受圧面を正転側の回路２に、高
圧側の受圧面を逆転側の回路３に接続した第１クロスオ
ーバ安全弁７ａと、第１クロスオーバ安全弁７ａと同一
構成で低圧側の受圧面を逆転側の回路３に、高圧側の受
圧面を正転側の回路２に接続した第２クロスオーバ安全
弁７ｂと、正転側および逆転側の両回路２，３の圧力差
で作動し、低い方の回路をドレン通路に接続するドレン
切換弁８と、正転側および逆転側の両回路２．３の圧力
差で作動し、高い方の回路の圧油を時間差を有して高い
方の回路に低圧側の受圧面を接続したクロスオーバ安全
弁の背圧室１０に供給するタイマ弁９とからなることを
特徴とするブレーキ弁装置。In a brake valve device installed in a hydraulic circuit that connects a hydraulic motor 1 and an operating valve 4 through a normal rotation side circuit 2 and a parallel rotation side circuit 3, a counterbalance valve 6 and two pressure receiving surfaces are installed. The pressure oil acting on one pressure receiving surface is relieved at low pressure, the pressure oil acting on the other pressure receiving surface is relieved at high pressure, and it has a back pressure chamber 10 for blocking these relief operations. , a first crossover safety valve 7a in which the pressure receiving surface on the low pressure side is connected to the circuit 2 on the forward rotation side, and the pressure receiving surface on the high pressure side is connected to the circuit 3 on the reverse rotation side; The second crossover safety valve 7b has its pressure receiving surface connected to the circuit 3 on the reverse rotation side and the pressure receiving surface on the high pressure side to the circuit 2 on the forward rotation side, and is operated by the pressure difference between the circuits 2 and 3 on the forward rotation side and the reverse rotation side. The drain switching valve 8, which connects the lower circuit to the drain passage, is operated by the pressure difference between the forward rotation side and reverse rotation side circuits 2.3, and the pressure oil in the higher circuit is transferred with a time difference. A brake valve device comprising a timer valve 9 which supplies a back pressure chamber 10 of a crossover safety valve having a low pressure side pressure receiving surface connected to a higher circuit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2961482U JPS58133601U (en) | 1982-03-04 | 1982-03-04 | brake valve device |
| US06/471,341 US4520625A (en) | 1982-03-04 | 1983-03-02 | Hydraulic brake valve system |
| DE3307582A DE3307582C2 (en) | 1982-03-04 | 1983-03-03 | Valve arrangement for controlling a hydrostatic drive or transmission consisting of a pump and motor |
| GB08306086A GB2118691B (en) | 1982-03-04 | 1983-03-04 | Valve system for controlling hydrostatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2961482U JPS58133601U (en) | 1982-03-04 | 1982-03-04 | brake valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58133601U true JPS58133601U (en) | 1983-09-08 |
| JPH0212321Y2 JPH0212321Y2 (en) | 1990-04-06 |
Family
ID=30041395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2961482U Granted JPS58133601U (en) | 1982-03-04 | 1982-03-04 | brake valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58133601U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5486069A (en) * | 1977-12-20 | 1979-07-09 | Kayaba Ind Co Ltd | Brake valve |
| JPS5659004A (en) * | 1979-10-22 | 1981-05-22 | Kawasaki Heavy Ind Ltd | Brake valve |
| JPS5716662U (en) * | 1980-07-03 | 1982-01-28 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54162696A (en) * | 1978-06-12 | 1979-12-24 | Phillips Petroleum Co | Hydroalkylation*composition and manufacture of said composition |
-
1982
- 1982-03-04 JP JP2961482U patent/JPS58133601U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5486069A (en) * | 1977-12-20 | 1979-07-09 | Kayaba Ind Co Ltd | Brake valve |
| JPS5659004A (en) * | 1979-10-22 | 1981-05-22 | Kawasaki Heavy Ind Ltd | Brake valve |
| JPS5716662U (en) * | 1980-07-03 | 1982-01-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0212321Y2 (en) | 1990-04-06 |
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