JPS62195436U - - Google Patents
Info
- Publication number
- JPS62195436U JPS62195436U JP8328186U JP8328186U JPS62195436U JP S62195436 U JPS62195436 U JP S62195436U JP 8328186 U JP8328186 U JP 8328186U JP 8328186 U JP8328186 U JP 8328186U JP S62195436 U JPS62195436 U JP S62195436U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- tank
- line
- cam
- secondary port
- 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
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Machine Tool Positioning Apparatuses (AREA)
- Servomotors (AREA)
Description
第１図及び第２図はこの考案の一実施例を示し
、第１図は位置割出装置の横断面図、第２図は同
位置割出装置の全体回路図、第３図は従来の位置
割出装置の横断面図である。
２４……タンクライン、２６……液圧モータ、
２７……カム、２８……凹部、３０……レバー、
３１……ローラ、３３……ケーシング、３４……
流量方向制御弁、３５……スプール、３７……収
納室、３８……スプール摺動室、４８……ポンプ
ライン、５７……ランド部、Ａ……２次ポート。
Figures 1 and 2 show an embodiment of this invention; Figure 1 is a cross-sectional view of the position indexing device, Figure 2 is an overall circuit diagram of the same position indexing device, and Figure 3 is a conventional one. FIG. 3 is a cross-sectional view of the position indexing device. 24...tank line, 26...hydraulic motor,
27...cam, 28...recess, 30...lever,
31...roller, 33...casing, 34...
Flow rate directional control valve, 35...Spool, 37...Storage chamber, 38...Spool sliding chamber, 48...Pump line, 57...Land portion, A...Secondary port.
Claims (1)
は駆動モータ２６からタンクへ流体を排出するタ
ンクライン２４に流量方向制御弁３４を介設し、
上記流量方向制御弁３４は可変オリフイスを開閉
するスプール３５をスプール摺動室３８内に摺動
自在に配置すると共に、上記スプール３５の移動
によつてその２次ポートＡを上記ライン４８とタ
ンクへと切換連通すべく構成し、上記駆動モータ
２６と連動するカム２７をケーシング３３内の収
納室３７内に配置し、上記カム２７のカム面には
位置決め用の凹部２８を設け、また上記収納室３
７内には中途部を回動可能に支持した回動杆３０
を配置し、この回動杆３０の一端側に上記カム面
に当接する接触子３１を設けると共に、この回動
杆３０の他端側を上記スプール３５の一端側に接
続することにより上記スプール３５をカム形状に
応動させて上記可変オリフイスの開度を調整すべ
く構成し、さらに上記収納室３７をタンクに連通
する一方、上記スプール３５の一端側にはランド
部５７を設け、このランド部５７は、上記流量方
向制御弁３４の２次ポートＡがタンクへ連通する
ときに上記２次ポートＡを上記スプール摺動室３
８の一端側を介して収納室３７内へと連通させる
と共に、上記２次ポートＡがライン４８側に連通
するときに上記スプール摺動室３８の一端側を閉
鎖すべく構成したことを特徴とする位置割出装置
。 A flow direction control valve 34 is interposed in a line 48 that supplies fluid to the drive motor 26 or a tank line 24 that discharges fluid from the drive motor 26 to the tank,
The flow direction control valve 34 has a spool 35 that opens and closes a variable orifice slidably disposed in a spool sliding chamber 38, and the movement of the spool 35 connects the secondary port A to the line 48 and the tank. A cam 27 is arranged in a storage chamber 37 in the casing 33, and a recess 28 for positioning is provided on the cam surface of the cam 27. 3
Inside 7 is a rotating rod 30 that rotatably supports the middle part.
A contactor 31 that contacts the cam surface is provided on one end of the rotating rod 30, and the other end of the rotating rod 30 is connected to one end of the spool 35. is configured to adjust the opening degree of the variable orifice in response to the cam shape, and communicates the storage chamber 37 with the tank, while a land portion 57 is provided on one end side of the spool 35, and the land portion 57 When the secondary port A of the flow direction control valve 34 communicates with the tank, the secondary port A is connected to the spool sliding chamber 3.
8 into the storage chamber 37 through one end side of the spool sliding chamber 38, and one end side of the spool sliding chamber 38 is closed when the secondary port A communicates with the line 48 side. position indexing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8328186U JPH047876Y2 (en) | 1986-05-30 | 1986-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8328186U JPH047876Y2 (en) | 1986-05-30 | 1986-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62195436U true JPS62195436U (en) | 1987-12-12 |
| JPH047876Y2 JPH047876Y2 (en) | 1992-02-28 |
Family
ID=30936722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8328186U Expired JPH047876Y2 (en) | 1986-05-30 | 1986-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047876Y2 (en) |
-
1986
- 1986-05-30 JP JP8328186U patent/JPH047876Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH047876Y2 (en) | 1992-02-28 |
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