JPH03108901U - - Google Patents
Info
- Publication number
- JPH03108901U JPH03108901U JP1732890U JP1732890U JPH03108901U JP H03108901 U JPH03108901 U JP H03108901U JP 1732890 U JP1732890 U JP 1732890U JP 1732890 U JP1732890 U JP 1732890U JP H03108901 U JPH03108901 U JP H03108901U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- brake
- pipe line
- main circuits
- fluid motor
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の実施例を示す説明図、第２図
は従来例の説明図である。
１……流体モータ、２……操作弁、３，４……
第１・第２主回路、５……チエツク弁、６……ブ
レーキ弁、７……安全弁、８……短絡路、２０…
…ブレーキ、２１……ブレーキシリンダ、２６…
…管路、２７……中間ポート、２８……ブレーキ
切換弁、２９……安全弁パイロツト路、３０……
ドレーン路。
FIG. 1 is an explanatory diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram of a conventional example. 1...Fluid motor, 2...Operation valve, 3, 4...
1st and 2nd main circuits, 5...Check valve, 6...Brake valve, 7...Safety valve, 8...Short circuit, 20...
...Brake, 21...Brake cylinder, 26...
... Pipeline, 27 ... Intermediate port, 28 ... Brake switching valve, 29 ... Safety valve pilot path, 30 ...
drain path.
Claims (1)
３，４で連通し、その第１・第２主回路３，４に
チエツク弁５とブレーキ弁６を設けると共に、前
記第１・第２主回路３，４におけるチエツク弁５
より流体モータ１側の部分３ａ，４ａを、両方向
作動の安全弁７を備えた短絡路８で連通し、 前記流体モータ１のブレーキ２０を構成するブ
レーキシリンダ２１の室２５に接続した管路２６
を、ブレーキ弁６が遮断位置Ａの時には遮断し、
かつ第１・第２連通位置Ｂ，Ｃの時には前記第１
・第２主回路３，４における操作弁２側の部分３
ｂ，４ｂに連通する中間ポート２７に接続し、 前記管路２６、前記安全弁７の受圧部７ａに接
続した安全弁パイロツト路２９と前記管路２６を
ドレーン路３０に連通・遮断するブレーキ切換弁
２８を設け、該ブレーキ切換弁２８をバネ力で連
通する第１位置とし、かつ管路２６内の圧力で
遮断する第２位置としたことを特徴とする流体
ブレーキ装置。[Scope of Claim for Utility Model Registration] The fluid motor 1 and the operation valve 2 are connected through first and second main circuits 3 and 4, and a check valve 5 and a brake valve 6 are connected to the first and second main circuits 3 and 4. and a check valve 5 in the first and second main circuits 3 and 4.
The parts 3a and 4a closer to the fluid motor 1 are connected by a short-circuit passage 8 equipped with a bidirectionally operated safety valve 7, and a pipe line 26 connected to the chamber 25 of the brake cylinder 21 constituting the brake 20 of the fluid motor 1.
is shut off when the brake valve 6 is in the shutoff position A,
And at the first and second communication positions B and C, the first
・Part 3 on the operation valve 2 side in the second main circuits 3 and 4
a brake switching valve 28 that connects to the intermediate port 27 communicating with the pipe line 26 and the pressure receiving part 7a of the safety valve 7 and that communicates and blocks the pipe line 26 with the drain line 30; A fluid brake device characterized in that the brake switching valve 28 is in a first position where it is communicated with by a spring force and in a second position where it is shut off by pressure within the pipe line 26.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1732890U JPH03108901U (en) | 1990-02-26 | 1990-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1732890U JPH03108901U (en) | 1990-02-26 | 1990-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108901U true JPH03108901U (en) | 1991-11-08 |
Family
ID=31520542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1732890U Pending JPH03108901U (en) | 1990-02-26 | 1990-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236316A (en) * | 2008-03-05 | 2009-10-15 | Nabtesco Corp | Hydraulic motor |
-
1990
- 1990-02-26 JP JP1732890U patent/JPH03108901U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236316A (en) * | 2008-03-05 | 2009-10-15 | Nabtesco Corp | Hydraulic motor |
| WO2010092701A1 (en) * | 2009-02-10 | 2010-08-19 | ナブテスコ株式会社 | Liquid pressure motor |
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