JPH0224109U - - Google Patents
Info
- Publication number
- JPH0224109U JPH0224109U JP12636588U JP12636588U JPH0224109U JP H0224109 U JPH0224109 U JP H0224109U JP 12636588 U JP12636588 U JP 12636588U JP 12636588 U JP12636588 U JP 12636588U JP H0224109 U JPH0224109 U JP H0224109U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- circumferential surface
- small
- outer circumferential
- hydraulic cylinder
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
Landscapes
- Actuator (AREA)
Description
第１図及び第２図は本考案のそれぞれ異る実施
例油圧シリンダーの概略断面図及び半断面側面図
をそれぞれ示し、第３図は従来の両ロツド油圧シ
リンダーの概略断面図を示す。
１……大径外周面、１′……大径内周面、２…
…中径外周面、２′……中径内周部、３……当接
面、３′……被当接面、４……小径内周面、４′
……小径外周面、５……大径油室、６……小径油
室、７，８……油路、７′，８′……分岐した油
路、９……第１のピストン部材、１０……第２の
ピストン部材、１１……第２負荷端面、１２……
第１負荷端面、１９，１９′……高速切換電磁弁
、３０……シール、３１，３２……シールリング
。
1 and 2 respectively show a schematic sectional view and a half sectional side view of a hydraulic cylinder according to different embodiments of the present invention, and FIG. 3 shows a schematic sectional view of a conventional double-rod hydraulic cylinder. 1... Large diameter outer circumferential surface, 1'... Large diameter inner circumferential surface, 2...
...Medium diameter outer circumferential surface, 2'...Medium diameter inner circumference, 3...Abutting surface, 3'...Abutted surface, 4...Small diameter inner circumferential surface, 4'
...Small diameter outer peripheral surface, 5...Large diameter oil chamber, 6...Small diameter oil chamber, 7, 8...Oil passage, 7', 8'...Branched oil passage, 9...First piston member, 10... Second piston member, 11... Second load end surface, 12...
First load end face, 19, 19'...High speed switching solenoid valve, 30... Seal, 31, 32... Seal ring.
補正 平１．２．８
実用新案登録請求の範囲を次のように補正する
。Amendment 1.2.8 Hei 1. The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 第１負荷端面とそれにつづく中径外周面、
大径外周面及び当接面を順次連設しかつ中径及び
／又は大径外周面内方に小径内周面を有する第１
のピストン部材と、第１のピストン部材を入れ子
状に収容する、前記中径外周面及び大径外周面と
それぞれ摺接可能な中径内周部及び大径内周面、
及び前記当接面と当接可能な被当接面とそれにつ
づく第２負荷端面を順次連設しかつ前記小径内周
面と摺接可能な小径外周面を有する第２のピスト
ン部材と、を含み、前記第２負荷端面はベース上
にシリンダー全体を支持して載置可能にしたこと
を特徴とする油圧シリンダー。
(2) 前記油圧シリンダーは加振装置用油圧シリ
ンダーであり、前記大径内周面及び小径内周面内
方にそれぞれ形成された大径及び小径油室とは前
記第２のピストン部材外側面に設けた、油圧源及
びタンクと連通／非連通させる高速切換電磁弁を
介して圧油の供給／排出が行われるようにし、か
つ前記第１のピストン部材に軸方向平行に連結さ
れたセンサー支持部材に位置センサーを取付けた
請求項第１項記載の油圧シリンダー。
(3) 前記大径油室と小径油室の受圧断面積をほ
ぼ同じとした請求項第１項又は第２項記載の油圧
シリンダー。[Claims for Utility Model Registration] (1) A first load end face and a medium diameter outer circumferential face following it;
A first structure having a large-diameter outer circumferential surface and a contact surface connected in sequence and a small-diameter inner circumferential surface inside the medium-diameter and/or large-diameter outer circumferential surface.
a piston member; a medium-diameter inner circumferential portion and a large-diameter inner circumferential surface that accommodate the first piston member in a nested manner and are capable of sliding contact with the medium-diameter outer circumferential surface and the large-diameter outer circumferential surface, respectively;
and a second piston member, which has an abutted surface that can abut the abutting surface and a second load end surface that follows the abutted surface, and has a small-diameter outer circumferential surface that can make sliding contact with the small-diameter inner circumferential surface . A hydraulic cylinder, wherein the second load end face supports and allows the entire cylinder to be placed on a base. (2) The hydraulic cylinder is a hydraulic cylinder for an excitation device, and the large-diameter and small-diameter oil chambers formed inside the large-diameter inner peripheral surface and the small-diameter inner peripheral surface, respectively, are the outer surface of the second piston member. A high-speed switching solenoid valve that connects/disconnects with the hydraulic source and tank is installed in
2. A hydraulic cylinder according to claim 1, wherein a position sensor is attached to a sensor support member connected in axial parallel to said first piston member, through which pressure oil is supplied/discharged. (3) The hydraulic cylinder according to claim 1 or 2, wherein the large-diameter oil chamber and the small-diameter oil chamber have substantially the same pressure-receiving cross-sectional area.
Claims (1)
大径外周面及び当接面を順次連設しかつ中径及び
／又は大径外周面内方に小径内周面を有する第１
のピストン部材と、第１のピストン部材を入れ子
状に収容する、前記中径外周面及び大径外周面と
それぞれ摺接可能な中径内周部及び大径内周面、
及び前記当接面と当接可能な被当接面とそれにつ
づく第２負荷端面と順次連設しかつ前記小径内周
面と摺接可能な小径外周面を有する第２のピスト
ン部材とを含み、前記第２負荷端面はベース上に
シリンダー全体を支持して載置可能にしたことを
特徴とする油圧シリンダー。 (2) 前記油圧シリンダーは加振装置用油圧シリ
ンダーであり、前記大径内周面及び小径内周面内
方にそれぞれ形成された大径及び小径油室とは前
記第２のピストン部材外側面に油圧源及びタンク
と別個に連通／非連通させる高速切換電磁弁４個
を介して圧油の供給／排出が行われるようにし、
かつ前記第１のピストン部材に軸方向平行に連結
されたセンサー支持部材に位置センサーを取付け
た請求項第１項記載の油圧シリンダー。 (3) 前記大径油室と小径油室の受圧断面積をほ
ぼ同じとした請求項第１項又は第２項記載の油圧
シリンダー。[Claims for Utility Model Registration] (1) A first load end face and a medium diameter outer circumferential face following it;
A first structure having a large-diameter outer circumferential surface and a contact surface connected in sequence and a small-diameter inner circumferential surface inside the medium-diameter and/or large-diameter outer circumferential surface.
a piston member; a medium-diameter inner circumferential portion and a large-diameter inner circumferential surface that accommodate the first piston member in a nested manner and are capable of sliding contact with the medium-diameter outer circumferential surface and the large-diameter outer circumferential surface, respectively;
and a second piston member having a small-diameter outer circumferential surface that is sequentially connected to an abutted surface that can make contact with the abutting surface and a second load end surface that follows the abutted surface, and that can make sliding contact with the small-diameter inner circumferential surface. . A hydraulic cylinder, wherein the second load end face supports the entire cylinder on a base so that it can be placed on the base. (2) The hydraulic cylinder is a hydraulic cylinder for an excitation device, and the large-diameter and small-diameter oil chambers formed inside the large-diameter inner peripheral surface and the small-diameter inner peripheral surface, respectively, are the outer surface of the second piston member. Pressure oil is supplied/discharged through four high-speed switching solenoid valves that are separately communicated/disconnected with a hydraulic power source and a tank;
2. The hydraulic cylinder according to claim 1, further comprising a position sensor attached to a sensor support member connected axially parallel to said first piston member. (3) The hydraulic cylinder according to claim 1 or 2, wherein the large-diameter oil chamber and the small-diameter oil chamber have substantially the same pressure-receiving cross-sectional area.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12636588U JPH0224109U (en) | 1988-09-29 | 1988-09-29 | |
| US07/381,284 US4989455A (en) | 1988-05-24 | 1989-07-18 | Vibrator |
| GB8916564A GB2222862B (en) | 1988-07-23 | 1989-07-20 | A vibrator |
| DE3924462A DE3924462C2 (en) | 1988-07-23 | 1989-07-24 | Vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12636588U JPH0224109U (en) | 1988-09-29 | 1988-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0224109U true JPH0224109U (en) | 1990-02-16 |
Family
ID=31377826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12636588U Pending JPH0224109U (en) | 1988-05-24 | 1988-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442611A (en) * | 2016-05-31 | 2017-12-08 | 小松产机株式会社 | Plate bending machine and bending method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5462467A (en) * | 1977-10-26 | 1979-05-19 | Fanuc Ltd | Hydraulic cylinder construction |
| JPS62132004A (en) * | 1985-11-29 | 1987-06-15 | Nissan Jidosha Hanbai Kk | Fluid pressure cylinder and its operation control circuit |
-
1988
- 1988-09-29 JP JP12636588U patent/JPH0224109U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5462467A (en) * | 1977-10-26 | 1979-05-19 | Fanuc Ltd | Hydraulic cylinder construction |
| JPS62132004A (en) * | 1985-11-29 | 1987-06-15 | Nissan Jidosha Hanbai Kk | Fluid pressure cylinder and its operation control circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442611A (en) * | 2016-05-31 | 2017-12-08 | 小松产机株式会社 | Plate bending machine and bending method |