NO128990B - - Google Patents
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- Publication number
- NO128990B NO128990B NO03294/68A NO329468A NO128990B NO 128990 B NO128990 B NO 128990B NO 03294/68 A NO03294/68 A NO 03294/68A NO 329468 A NO329468 A NO 329468A NO 128990 B NO128990 B NO 128990B
- Authority
- NO
- Norway
- Prior art keywords
- tiller
- piston
- cylinder
- cylinders
- shaped
- Prior art date
Links
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
- F15B15/125—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type of the curved-cylinder type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/26—Steering engines
- B63H25/28—Steering engines of fluid type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Guiding Agricultural Machines (AREA)
Description
Hydraulisk dreven skipsrormaskin. Hydraulically driven ship's tiller.
Denne oppfinnelse vedrører en hydraulisk dreven skipsrormaskin av den art som har to adskilte torussektorformede sylindre som er fast anordnet på et fundament og på en sirkel som er koaksial med rorkultens dreieakse, med et i hver sylinder bevegelig torussek-torf ormet stempel som påvirker rorkulten. This invention relates to a hydraulically driven ship's rudder of the kind which has two separate torus sector-shaped cylinders which are fixedly arranged on a foundation and on a circle which is coaxial with the axis of rotation of the tiller, with a movable torus sector-turf worm piston in each cylinder which affects the tiller.
Hydrauliske rormaskiner for skip er kjent i forskjellige utførelser. Man har f.eks. tidligere foreslått en rormaskin hvor rorstammen er forbundet med et om dens akse dreibart stempel i en ringformet sylinder. Den ringformede sylinder har i det vesentlige firkantet tverrsnitt og rorstemplet er et halvringformet legeme som dekker omtrent 180° og som er konsentrisk med rorkultens dreieakse. En slik utførelse er beskrevet i norsk patent 84 554. I svensk patent 167 044 er det beskrevet en konstruksjon av lignende type, men hvor rormaskiner omfatter to adskilte stempler som hvert strekker seg over omtrent 90° og som fra hver sin side påvirker rorkulten og dermed rorstammen. Også i dette tilfelle har de ringsegmentformede sylinderpartier firkantet tverrsnitt. Hydraulic steering machines for ships are known in various designs. One has e.g. previously proposed a rudder machine where the rudder stem is connected to a piston rotatable about its axis in an annular cylinder. The ring-shaped cylinder has an essentially square cross-section and the rudder piston is a semi-annular body that covers approximately 180° and is concentric with the axis of rotation of the tiller. Such an embodiment is described in Norwegian patent 84 554. In Swedish patent 167 044, a construction of a similar type is described, but where rudder machines comprise two separate pistons which each extend over approximately 90° and which from each side influence the tiller and thus the rudder stem. In this case too, the ring segment-shaped cylinder parts have a square cross-section.
I fransk patent 1 376 171 er det beskrevet en rormaskin med torussektorformede sylindre og med et torussektorformet stempel som er bevegelig i begge sylindre og som på midten er forbundet med rorkulten og som er konsentrisk med rorkultens dreieakse. French patent 1 376 171 describes a tiller with torus sector-shaped cylinders and with a torus sector-shaped piston which is movable in both cylinders and which is connected in the middle to the tiller and which is concentric with the tiller's axis of rotation.
Hensikten med oppfinnelsen er å forbedre rormaskinen av den i det sistnevnte patentskrift angitte type. I en rormaskin med torussektorformede sylindre og et eneste kontinuerlig torussektorformet stempel som rager inn i begge sylindre, er monteringen av maskinen ganske komplisert og krever nøyaktig arbeide. Det er vanske-lig å unngå at det blir mindre unøyaktigheter mellom de to sylindres innstilling, slik at bevegelsen av stemplets ene endeparti i den ene sylinder påvirker tetningen mellom stemplets andre endeparti og den andre sylinder. The purpose of the invention is to improve the tiller of the type specified in the latter patent document. In a rowing machine with torus sector shaped cylinders and a single continuous torus sector shaped piston projecting into both cylinders, assembly of the machine is quite complicated and requires precise work. It is difficult to avoid minor inaccuracies between the setting of the two cylinders, so that the movement of one end part of the piston in one cylinder affects the seal between the other end part of the piston and the other cylinder.
Mer spesielt er hensikten med oppfinnelsen å oppnå en mer uavhengig føring av de to stempelpartier som beveger seg i hver sin sylinder uten at den nøyaktige styring derved påvirkes ufordelaktig. Dette er ifølge oppfinnelsen oppnådd ved at det på rorkulten virkende stempel som i og for seg kjent har to adskilte stempeldeler som ved si-ne mot hverandre vendende ender er leddforbundet med hverandre og -med rorkulten ved hjelp av en med rorkultens dreieakse akseparallell tapp, og at stempeldelene i mellomrommet mellom de to adskilte sylindre ved rorkultens ytterende er styrt av til sylinderveggen eller sy-linderunderlaget festede glideføringer. More specifically, the purpose of the invention is to achieve a more independent guidance of the two piston parts which move in their respective cylinders without the precise control thereby being adversely affected. According to the invention, this is achieved by the fact that the piston acting on the tiller, which is known in and of itself, has two separate piston parts which, at their opposite ends, are articulated to each other and to the tiller by means of a pin parallel to the axis of rotation of the tiller, and that the piston parts in the space between the two separated cylinders at the outer end of the tiller are guided by sliding guides attached to the cylinder wall or cylinder base.
Oppfinnelsen skal forklares nærmere ved hjelp av et eksem-pel under henvisning til tegningene, hvor: Fig. 1 er et skjematisk horisontalsnitt gjennom en rormaskin ifølge oppfinnelsen, fig. 2 viser et snitt langs linjen A-A på fig. 1, hvor også de tilstøtende stempeldeler er vist, og fig. 3 et snitt langs linjen B-B på fig. 1. The invention shall be explained in more detail by means of an example with reference to the drawings, where: Fig. 1 is a schematic horizontal section through a rowing machine according to the invention, fig. 2 shows a section along the line A-A in fig. 1, where the adjacent piston parts are also shown, and fig. 3 a section along the line B-B in fig. 1.
Ifølge tegningen er sylindrene la og 2a utformet sirkelfor-mede både i tverrsnitt og i grunnriss og er fremstilt i et av et eneste stykke bestående syllnderhus .1,2. Sylindrenes la,2a endepar-tier er utstyrt med tetninger 3 som tetter mellom sylinderveggen og rormaskinens stempler 5,6. Det trykk som tetningene 3 tetter med, kan innstilles ved hjelp av en pakningsring 4. According to the drawing, the cylinders 1a and 2a are designed circular both in cross-section and in plan view and are produced in a one-piece cylinder housing 1,2. The end parts 1a, 2a of the cylinders are equipped with seals 3 which seal between the cylinder wall and the pistons 5, 6 of the rudder. The pressure with which the seals 3 seal can be adjusted using a sealing ring 4.
Rormaskinen har torussektorformede stempler 5,6 som ved sine mot hverandre vendende ender er utformet med gaffelformede koblingshoder. En enkel vertikalt forløpende bolt 7 eller tapp forbinder koblingshodene med hverandre slik at det er tilveiebragt en bevegelig leddforbindelse. Bolten 7 forbinder også stemplenes 5 og 6 koblingshoder med maskinens rorkult 8 som er låst fast på rorakselen 9. The rudder has torus sector-shaped pistons 5,6 which are designed with fork-shaped coupling heads at their opposite ends. A simple vertically extending bolt 7 or pin connects the coupling heads to each other so that a movable joint connection is provided. The bolt 7 also connects the coupling heads of the pistons 5 and 6 with the machine's tiller 8 which is locked onto the tiller shaft 9.
På oversiden er sylindrene 1 og 2 fast forbundet med hverandre ved hjelp av en holdeplate 10 som også virker som fundamentpla-te for en hydraulisk pumpe (ikke vist) som leverer trykkolje for drift av maskinen. On the upper side, the cylinders 1 and 2 are firmly connected to each other by means of a holding plate 10 which also acts as a foundation plate for a hydraulic pump (not shown) which supplies pressure oil for operating the machine.
Til sylinderhuset 1,2 er festet en sirkelsektorformet fø-ringsinnretning 11 som styrer stemplene, idet disse opptar radial-krefter fra samme under drift gjennom hensiktsmessig utformede av-rundede glidestykker 12 som tilpasser seg selv etter stemplenes ytre flate. Attached to the cylinder housing 1,2 is a circular sector-shaped guide device 11 which controls the pistons, as these absorb radial forces from the same during operation through suitably designed rounded sliding pieces 12 which adapt themselves to the outer surface of the pistons.
Utførelsen er således enkel og det samme gjelder driften. The execution is thus simple and the same applies to operation.
Når olje under trykk strømmer inn i sylinderen la og fjer-nes fra sylinderen 2a dreies rorakselen i den med den heltrukne pil viste retning (mot urviseren). When oil under pressure flows into cylinder 1a and is removed from cylinder 2a, the rudder shaft is turned in the direction shown by the solid arrow (counter-clockwise).
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES353491A ES353491A1 (en) | 1968-05-03 | 1968-05-03 | Hydraulic Rudder-Acting Gear |
Publications (1)
Publication Number | Publication Date |
---|---|
NO128990B true NO128990B (en) | 1974-02-11 |
Family
ID=8448896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO03294/68A NO128990B (en) | 1968-05-03 | 1968-08-22 |
Country Status (5)
Country | Link |
---|---|
ES (1) | ES353491A1 (en) |
FR (1) | FR1604365A (en) |
GB (1) | GB1174028A (en) |
NL (1) | NL6812836A (en) |
NO (1) | NO128990B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4929691U (en) * | 1972-05-13 | 1974-03-14 | ||
US4408555A (en) * | 1981-06-16 | 1983-10-11 | Aung U Soe | Ships steering gear |
NO156523C (en) * | 1985-04-25 | 1987-10-07 | Jens K Tenfjord | HYDRAULIC ACTUATOR. |
US5007330A (en) * | 1989-12-18 | 1991-04-16 | Keystone International Holdings Corp. | Rotary actuator and seal assembly for use therein |
US9163648B2 (en) | 2013-02-27 | 2015-10-20 | Woodward, Inc. | Rotary piston type actuator with a central actuation assembly |
US9631645B2 (en) | 2013-02-27 | 2017-04-25 | Woodward, Inc. | Rotary piston actuator anti-rotation configurations |
US9816537B2 (en) | 2013-02-27 | 2017-11-14 | Woodward, Inc. | Rotary piston type actuator with a central actuation assembly |
US9593696B2 (en) | 2013-02-27 | 2017-03-14 | Woodward, Inc. | Rotary piston type actuator with hydraulic supply |
US9234535B2 (en) | 2013-02-27 | 2016-01-12 | Woodward, Inc. | Rotary piston type actuator |
US9476434B2 (en) | 2013-02-27 | 2016-10-25 | Woodward, Inc. | Rotary piston type actuator with modular housing |
CA2915968A1 (en) * | 2013-06-19 | 2014-12-24 | Woodward, Inc. | Rotary piston type actuator with hydraulic supply |
WO2015116992A2 (en) * | 2014-01-31 | 2015-08-06 | Woodward, Inc. | Rotary piston type actuator with modular housing |
EP3099941B1 (en) * | 2014-01-31 | 2020-09-02 | Woodward, Inc. | Piston type actuator with pin retention features |
US10718359B2 (en) | 2015-08-21 | 2020-07-21 | Quality Manufacturing Inc. | Devices and systems for producing rotational actuation |
US11199248B2 (en) | 2019-04-30 | 2021-12-14 | Woodward, Inc. | Compact linear to rotary actuator |
US11333175B2 (en) | 2020-04-08 | 2022-05-17 | Woodward, Inc. | Rotary piston type actuator with a central actuation assembly |
-
1968
- 1968-05-03 ES ES353491A patent/ES353491A1/en not_active Expired
- 1968-08-20 FR FR1604365D patent/FR1604365A/fr not_active Expired
- 1968-08-22 NO NO03294/68A patent/NO128990B/no unknown
- 1968-08-29 GB GB41219/68A patent/GB1174028A/en not_active Expired
- 1968-09-09 NL NL6812836A patent/NL6812836A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1174028A (en) | 1969-12-10 |
NL6812836A (en) | 1969-11-05 |
ES353491A1 (en) | 1969-10-01 |
FR1604365A (en) | 1971-11-08 |
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