JPS638403U - - Google Patents
Info
- Publication number
- JPS638403U JPS638403U JP10296986U JP10296986U JPS638403U JP S638403 U JPS638403 U JP S638403U JP 10296986 U JP10296986 U JP 10296986U JP 10296986 U JP10296986 U JP 10296986U JP S638403 U JPS638403 U JP S638403U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- supply
- swash plate
- discharge
- cylinder block
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Hydraulic Motors (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第1図aは、この考案の1実施例を示し、第1
図bは、第2実施例を示す。第2図aは従来技術
の油圧モータの主要部を含む回路図、第2図bは
、斜板部分の正面図。第3図aは従来技術の油圧
モータの断面図。第3図bは、油圧モータの制御
回路図。第4図aは、斜板2の正面図、第4図b
は、油圧モータの要部断面図である。
2……斜板、2a,2b……ピボツト点、3…
…主軸、6……シリンダブロツク、7……シリン
ダ、8……ピストン、9……斜板前面、10……
シユー、11……弁板、14……油圧ポンプ、2
0,21……給排回路、30a,30b……ボー
ル、32,33……斜板背面、50……油圧モー
タ、51,52……傾転用シリンダ、55,56
,55′,56′……逆止弁、57……切換弁、
T……タンク。
FIG. 1a shows one embodiment of this invention, and the first
Figure b shows a second embodiment. FIG. 2a is a circuit diagram including the main parts of a conventional hydraulic motor, and FIG. 2b is a front view of a swash plate portion. FIG. 3a is a sectional view of a prior art hydraulic motor. FIG. 3b is a control circuit diagram of the hydraulic motor. Figure 4a is a front view of the swash plate 2, Figure 4b
1 is a sectional view of a main part of a hydraulic motor. 2...Swash plate, 2a, 2b...Pivot point, 3...
... Main shaft, 6 ... Cylinder block, 7 ... Cylinder, 8 ... Piston, 9 ... Swash plate front, 10 ...
Shu, 11...Valve plate, 14...Hydraulic pump, 2
0, 21... Supply/discharge circuit, 30a, 30b... Ball, 32, 33... Swash plate back, 50... Hydraulic motor, 51, 52... Tilting cylinder, 55, 56
, 55', 56'...Check valve, 57...Switching valve,
T...Tank.
Claims (1)
に奇数本のピストンが摺動自在に嵌入するシリン
ダを有しその半数が給排回路の供給側と排出側と
に接続されるシリンダブロツクを係合し、このシ
リンダブロツクのピストンが当接する斜面を有す
る斜板を本体に転動可能に設け、この斜板を傾転
させる傾転シリンダを設けた斜板式ピストンモー
タにおいて、前記傾転用のシリンダを、前記シリ
ンダブロツクのシリンダの供給側と排出側の接続
する各々位置に対応した位置に複数個設け、この
各々のシリンダを、前記シリンダと給排回路との
接続位関係と同一関係になるように給排回路の各
々に接続する回路に、給排回路と傾転用シリンダ
とを接続する切換位置と傾転用シリンダを排出側
に接続する切換位置とを有する切換弁を設け、こ
の切換弁の上流側又は切換弁に傾転用シリンダの
方向を順方向とする逆止弁を設けたことを特徴と
する斜板式ピストンモータの速度制御装置。 The main body rotatably supports an output shaft, and the cylinder block has a cylinder in which an odd number of pistons are slidably fitted into the rotating shaft, and half of the cylinders are connected to the supply side and the discharge side of the supply/discharge circuit. In a swash plate type piston motor, a swash plate having a slanted surface that engages with the cylinder block and that the piston of the cylinder block comes into contact with is rollably provided on the main body, and a swash plate type piston motor is provided with a tilting cylinder that tilts the swash plate. A plurality of are provided at positions corresponding to respective positions where the supply side and discharge side of the cylinders of the cylinder block are connected, and each cylinder is arranged in the same connection position as the connection position between the cylinder and the supply/discharge circuit. A switching valve having a switching position for connecting the supply/discharge circuit and the tilting cylinder and a switching position for connecting the tilting cylinder to the discharge side is provided in the circuit connected to each of the supply/discharge circuits. 1. A speed control device for a swash plate type piston motor, characterized in that the side or switching valve is provided with a check valve that makes the direction of the tilting cylinder the forward direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10296986U JPS638403U (en) | 1986-07-03 | 1986-07-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10296986U JPS638403U (en) | 1986-07-03 | 1986-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS638403U true JPS638403U (en) | 1988-01-20 |
Family
ID=30975098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10296986U Pending JPS638403U (en) | 1986-07-03 | 1986-07-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS638403U (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5140803A (en) * | 1974-08-07 | 1976-04-06 | Texas Instruments Inc | |
JPS59175605A (en) * | 1983-03-22 | 1984-10-04 | Kayaba Ind Co Ltd | Control device for variable hydraulic actuator |
JPS6149175A (en) * | 1984-08-16 | 1986-03-11 | Kayaba Ind Co Ltd | Control device for variable displacement type pump and motor |
-
1986
- 1986-07-03 JP JP10296986U patent/JPS638403U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5140803A (en) * | 1974-08-07 | 1976-04-06 | Texas Instruments Inc | |
JPS59175605A (en) * | 1983-03-22 | 1984-10-04 | Kayaba Ind Co Ltd | Control device for variable hydraulic actuator |
JPS6149175A (en) * | 1984-08-16 | 1986-03-11 | Kayaba Ind Co Ltd | Control device for variable displacement type pump and motor |
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