JP2020133423A - 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
- JP2020133423A JP2020133423A JP2019023863A JP2019023863A JP2020133423A JP 2020133423 A JP2020133423 A JP 2020133423A JP 2019023863 A JP2019023863 A JP 2019023863A JP 2019023863 A JP2019023863 A JP 2019023863A JP 2020133423 A JP2020133423 A JP 2020133423A
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- cylinder block
- chamber
- valve plate
- case
- 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 title claims abstract description 288
- 238000010276 construction Methods 0.000 title claims description 10
- 230000006866 deterioration Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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)
Abstract
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 (5)
- 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、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、を備える流体圧回転装置。 - 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る請求項1に記載の流体圧回転装置。
- 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又は2に記載の流体圧回転装置。
- 前記流体室は前記弁板に形成されている請求項1〜3のいずれか一項に記載の流体圧回転装置。
- 請求項1〜4のいずれか一項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 true JP2020133423A (ja) | 2020-08-31 |
JP7356804B2 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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1368531A (en) * | 1971-03-23 | 1974-09-25 | Pensa C | Hydraulic pumps or motors having axial pistons |
JPS58169172U (ja) * | 1982-04-19 | 1983-11-11 | 日立建機株式会社 | 液圧回転機 |
JPH0482377U (ja) * | 1990-11-29 | 1992-07-17 | ||
JPH05195946A (ja) * | 1992-01-20 | 1993-08-06 | Kubota Corp | 静油圧式無段変速装置 |
JPH09287552A (ja) * | 1996-04-18 | 1997-11-04 | Teijin Seiki Co Ltd | アキシャルピストン型流体ポンプ・モータ |
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 |
JP2005090333A (ja) * | 2003-09-17 | 2005-04-07 | Nabtesco Corp | アキシャルピストン型流体ポンプ・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 |
-
2019
- 2019-02-13 JP JP2019023863A patent/JP7356804B2/ja active Active
-
2020
- 2020-01-08 KR KR1020200002338A patent/KR20200099071A/ko not_active Application Discontinuation
- 2020-01-13 CN CN202010032516.XA patent/CN111561433B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1368531A (en) * | 1971-03-23 | 1974-09-25 | Pensa C | Hydraulic pumps or motors having axial pistons |
JPS58169172U (ja) * | 1982-04-19 | 1983-11-11 | 日立建機株式会社 | 液圧回転機 |
JPH0482377U (ja) * | 1990-11-29 | 1992-07-17 | ||
JPH05195946A (ja) * | 1992-01-20 | 1993-08-06 | Kubota Corp | 静油圧式無段変速装置 |
JPH09287552A (ja) * | 1996-04-18 | 1997-11-04 | Teijin Seiki Co Ltd | アキシャルピストン型流体ポンプ・モータ |
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 |
JP2005090333A (ja) * | 2003-09-17 | 2005-04-07 | Nabtesco Corp | アキシャルピストン型流体ポンプ・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 |
---|---|
CN111561433A (zh) | 2020-08-21 |
CN111561433B (zh) | 2024-03-12 |
JP7356804B2 (ja) | 2023-10-05 |
KR20200099071A (ko) | 2020-08-21 |
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