JP7356804B2 - 流体圧回転装置および建設機械 - Google Patents
流体圧回転装置および建設機械 Download PDFInfo
- Publication number
- JP7356804B2 JP7356804B2 JP2019023863A JP2019023863A JP7356804B2 JP 7356804 B2 JP7356804 B2 JP 7356804B2 JP 2019023863 A JP2019023863 A JP 2019023863A JP 2019023863 A JP2019023863 A JP 2019023863A JP 7356804 B2 JP7356804 B2 JP 7356804B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- cylinder block
- valve plate
- chamber
- piston
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/22—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2042—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2042—Valves
- F04B1/205—Cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2064—Housings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Hydraulic Motors (AREA)
- Reciprocating Pumps (AREA)
Description
ケースと、
前記ケース内に回転可能に収容されたシリンダブロックと、
前記シリンダブロックの一側に開口したシリンダ室内に移動可能に支持されたピストンと、
前記ケースと前記シリンダブロックとの間に配置されて、前記ケース側に設けられた流体室及び前記ケース側に設けられた前記流体室に通じる流路を設けられ、前記流路は前記シリンダブロックの他側に開口して前記シリンダ室に通じる通路に対面する位置に開口している、弁板と、を備える。
前記流路は前記ピストンが死点に位置するようになるシリンダ室に前記通路を介して通じていてもよい。
前記流体室に配置された補助ピストンを備えていてもよい。
前記流体室は前記弁板に形成されていてもよい。
10 流体圧回転装置
20 ケース
30 軸部材
40 シリンダブロック
41 シリンダ室
42 通路、接続ポート
50 ピストン
60 弁板
65 流体室
66 流路
67 補助ピストン
70 斜板
Claims (3)
- ケースと、
前記ケース内に回転可能に収容されたシリンダブロックと、
前記シリンダブロックの一側に開口したシリンダ室内に移動可能に支持されたピストンと、
前記ケースによって回転可能に保持され、前記シリンダブロックを貫通し、前記シリンダブロックと同期して回転する軸部材と、
前記ケースと前記シリンダブロックとの間に配置された弁板と、を備え、
前記弁板には、前記ピストンの少なくとも一方の死点に対して、前記ケース側に単一の流体室及び前記ケース側の前記流体室に通じる単一の流路が設けられ、
前記流路は、前記シリンダブロックの他側に開口して前記シリンダ室に通じる通路に対面する位置に開口し、
前記流路は、前記ピストンが前記少なくとも一方の死点に位置するようになるシリンダ室に前記通路を介して通じ、
前記軸部材の回転軸線に平行な方向を軸方向とし、当該軸方向に直交する方向を径方向とした場合、前記流体室の中心が、前記軸方向に見て、前記流路の中心よりも前記径方向内側に位置し、
前記弁板には、前記弁板を貫通し、前記シリンダブロックの回転軸線を中心とした円弧に沿って延びる流体ポートが形成されており、
前記弁板の前記シリンダブロック側の面には、前記円弧に沿って延びる前記流体ポートの両端部のうちの一方及び/または他方に接続する切欠溝が形成されている流体圧回転装置。 - 前記流体室に配置された補助ピストンを備える請求項1に記載の流体圧回転装置。
- 請求項1または2に記載の流体圧回転装置を備えた建設機械。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019023863A JP7356804B2 (ja) | 2019-02-13 | 2019-02-13 | 流体圧回転装置および建設機械 |
KR1020200002338A KR20200099071A (ko) | 2019-02-13 | 2020-01-08 | 유체압 회전 장치 및 건설 기계 |
CN202010032516.XA CN111561433B (zh) | 2019-02-13 | 2020-01-13 | 流体压旋转装置和建筑机械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019023863A JP7356804B2 (ja) | 2019-02-13 | 2019-02-13 | 流体圧回転装置および建設機械 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020133423A JP2020133423A (ja) | 2020-08-31 |
JP7356804B2 true JP7356804B2 (ja) | 2023-10-05 |
Family
ID=72071378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019023863A Active JP7356804B2 (ja) | 2019-02-13 | 2019-02-13 | 流体圧回転装置および建設機械 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7356804B2 (ja) |
KR (1) | KR20200099071A (ja) |
CN (1) | CN111561433B (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000045929A (ja) | 1998-07-31 | 2000-02-15 | Sumitomo Eaton Hydraulics Co Ltd | アキシャルピストンポンプ・モータ |
JP2012036873A (ja) | 2010-08-10 | 2012-02-23 | Toshiba Mach Co Ltd | スリップ抑制および起動効率向上機能を備えた油圧モータ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT311807B (de) * | 1971-03-23 | 1973-12-10 | Carlo Pensa | Hydraulische Pumpe bzw. Motor mit axialen Kolben |
JPS58169172U (ja) * | 1982-04-19 | 1983-11-11 | 日立建機株式会社 | 液圧回転機 |
JP2502901Y2 (ja) * | 1990-11-29 | 1996-06-26 | 東芝機械株式会社 | 斜板式ピストンポンプ・モ―タ |
JP2948970B2 (ja) * | 1992-01-20 | 1999-09-13 | 株式会社クボタ | 静油圧式無段変速装置 |
JP3543892B2 (ja) * | 1996-04-18 | 2004-07-21 | ティーエスコーポレーション株式会社 | アキシャルピストン型流体ポンプ・モータ |
JP4601276B2 (ja) * | 2003-09-17 | 2010-12-22 | ナブテスコ株式会社 | アキシャルピストン型流体ポンプ・モータ |
-
2019
- 2019-02-13 JP JP2019023863A patent/JP7356804B2/ja active Active
-
2020
- 2020-01-08 KR KR1020200002338A patent/KR20200099071A/ko active IP Right Grant
- 2020-01-13 CN CN202010032516.XA patent/CN111561433B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000045929A (ja) | 1998-07-31 | 2000-02-15 | Sumitomo Eaton Hydraulics Co Ltd | アキシャルピストンポンプ・モータ |
JP2012036873A (ja) | 2010-08-10 | 2012-02-23 | Toshiba Mach Co Ltd | スリップ抑制および起動効率向上機能を備えた油圧モータ |
Also Published As
Publication number | Publication date |
---|---|
JP2020133423A (ja) | 2020-08-31 |
CN111561433A (zh) | 2020-08-21 |
CN111561433B (zh) | 2024-03-12 |
KR20200099071A (ko) | 2020-08-21 |
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