DE2326157A1 - METHOD AND DEVICE FOR ASSEMBLING A STEERING RUDDER OR THE NAVY SCREW ON LARGE SHIPS - Google Patents

Description

May 21, 1973 IG / bü

1. SASEBO HEATX BJDUSERIES 00., ITD.

JDio 2-1, Ohtemachi 2-chome, öhiyoda-ku, iDokyo / Japan

2. OSAKA HUNT Wed ¹ G. 00., M ¹ D.

Jüo. 20, Kamifukuihira-machi 2-chome, Higashisumiyoshi-ku, Osaka-shi, Osaka / Japan.

Process and device for assembling a rudder or the propeller on large ships.

The invention relates to a driving and a Yorrichtung for mounting the rudder or the propeller at large ships, using a! undercarriage, one Car or the like. By these components in the area of the rear adjusted.

In order to mount or remove a rudder or the propeller on a large ship, it is known to align a number of cranes, winches odf .. on a dock side, as well as on the dock floor in relation to the position of the ship, and also in the stern of the ship, depending on Need to provide a mounting block. Here, a rope on these devices -, sufficiently tensioned to hang the rudder or the ship ^ "" · "screw in the free space, so that these can be transported to the rudder lever or to the shaft of the ship's propeller, as well as in predetermined positions, and they

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are attached to the hull during the plunge of the waves attached. However, if the ship is very large, the dimensions of the rudder and propeller become excessively large, and because of this, the installation and removal of these components becomes much more difficult, for example in the case of a ! Tankers of 260,000 suns, the rudder is 11,800 mm high, 9,400 mm wide, 1,500 mm thick and has a weight of 135 tons, while the screw has a diameter of 8,500 mm and a Has a weight of 55 suns, accordingly the ropes and the mounting blocks for the assembly and the expansion are very large and not only their handling is made more difficult, but the assembly and disassembly of these auxiliary components is dangerous, requires skilled workers as well as increased working hours, learner is disadvantageous that ^ the known assembly and disassembly one. Number of cranes, pulley blocks, ropes, assembly guns, etc. are required, which take up a lot of work space affect other work.

It is already known to transport the rudder or the propeller to a predetermined location in the area of the stern with the aid of a cart. However, this method cannot avoid that the rudder or the propeller has to hang around in the open space after all and thus the vorbezeichne th specialist parts have to be accepted, that is, the known Yerfahren needs improvement, "bsw * for 'practical use, or _similar

The invention is based on the task of assembling and disassembling the rudder and the propeller in large ships with the help of a reduced number of iron work rides

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perform and to provide a performing, with this assembly and disassembly can be carried out more accurately on the hull, in the absence of cranes and other auxiliary equipment completely dissolving the dock and them in a simplified manner, this object _9.

This object is achieved according to the invention in that a chassis, a car or the like. guided on the dock floor, in particular on rails ₉ that the rudder on the wagon is flatly charged, ζ · Β _{# is} charged on a table-like component that this flat base is supported, for example with the help of column-like components and these columns and the like. each sliding in lalmentteile odgX «- are guided or displaceable, that the oar screw is mounted vertically and / or laterally displaceable and that a Hacheinstteilung is carried out in the horizontal and vertical directions to the plate, the lisch or the like. as well as to adjust the rudder, or to readjust that the rudder is held by plate columns, then the car is set in motion and the rudder is transported to the stern of the ship, that then the position of the rudder on the plate vertically and laterally in relation to the plate and its inclination in relation to the rudder lever and stern sides, as well as the right and left side thereof, is readjusted, whereby the adjustment and isfachstelleinrichtungen are set in motion to adjust the center points of the journal bearings of the rudder and the rudder lever, dera ±, that the rudder can be mounted in the rudder lever *

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Another embodiment of the invention, adapted for assembly or disassembly of the propeller provides that here also this car or the like. performed on the dock floor, z. B. is guided in rails that the car or the like. However with a pair of bow side frames and a pair of rear side frames is provided, which are each arranged opposite one another and that supporting workstations for the propeller between these frame parts

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slidably guided or arranged in the manner of a bridge that these frames and the supporting workstations for the propeller are moved upwards and sideways, as well horizontally and vertically adjustable, you workstations or to adjust and readjust the propeller, as the propeller between these frame parts in such a way is introduced that it is supported by the respective supporting work stations, that also the car or the like. set in motion and * the propeller in the stern of the Ship is carried that then the position of the propeller, while this on the supporting stations is, or is present, readjusted relative to the vertical and lateral direction of the workstations, while adjusting the propeller angle relative to the stern and bow sides and relative to their right and left sides will.

Another embodiment of the invention provides a device for assembling and disassembling the rudder in such large ships before, with a pair of opposite, on the wagon or the like. upright frame parts are used,

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while the carriage of the assembly plant stands on rails of the dock floor, columns of a table are provided that are in contact with the respective frame pairs and upwards and are movable downwards that this plate, or üiisehplatte is provided with a lifting device, as well as a receptacle for the rudder serves as a load, with a fastening at the lowest ends of the respective panel columns takes place that the plate and the plate columns can be moved up and down by this lifting device, whereby through an adjustment device the position of the, on the Süschplatte arranged rudder vertically and laterally to this and also the inclination of the rudder plate relative to the bow and Rear sides as well as to the right and left side of it adjustable is.

Another embodiment of the invention provides that the Device for assembling or disassembling the propeller is provided with a pair of openable frames, is arranged on the bow side of the car, which stands on the rails on the dock floor, that on the bow side of the car there is a pair of sliding frame parts that support stations for the propeller are used are bridged sliding up and down between the respective frame pairs that a transport device for Adjustment of these supporting stations up and down is available, furthermore an adjustment device to the position adjust the screw on these stations relative to the vertical and lateral direction of these stations, .bzw. the Angle of the propeller in relation to the bow and stern sides and

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adjust the right and left sides of it.

The invention can also be modified so that for Assembly and disassembly of the rudder and the propeller a pair of openable frame parts is used, arranged at the front of this wagon, with a pair of slidingly arranged ones at the rear of the wagon Frame, the pillars of the table spit the respective Pairs of frames for the movement up and down are movably connected, that a lifting device for the movement the table top, which supports the rudder and the screw, is present, and the table at the lowest ends the respective columns is attached so that the Siech and the liseh columns can be moved up and down by a lifting device and a JS axis splitter is used, about the position of the rudder and the screw present on the table relative to the vertical and lateral

The direction of this, as well as the distance and the angle of the rudder and the propeller relative to the bow and stern sides as well as to adjust and to the left of this.

An embodiment of the invention is in the drawing shown tmd is explained in more detail below. Show it:

Pig * 1A is a general plan view of layout

the system for assembling and disassembling the rudder and the propeller.

Pig «1B is a schematic side view of the plant after Eig «, 1A.

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Pig. 1C and 1D are reduced side views the rudder, each portable, or intended for installation in the work area *

Pig. 2A, 2B and 2C are an end view, plan view and Side view of the system for assembly and disassembly, the rudder,

Pig. 3A and 3B are explanatory views in assembling work of the rudder.

Pig. 4A, AB ₉ and 4-E bruc & piece-like partial views from the side in plan view and -.,. perspective of the car or the like.

Pig. 4C and 4D side views ^ showing the relationship point between the carriage and the rails.

Pig. 5A, 5B and 5Q are views from the front, from above and from the side of the system or device for assembling and disassembling the screws.

Pig. 6A and 6ii, top and side views on the workstations to support the. Screw·

Pig. FIG. 7 is an explanatory view showing an operating diagram of a hydraulic Exeise for operating the Equipment for assembling and disassembling the rudder and the screw »

Pig. 8A, 8B and 80 are front, top and bottom views from the side on the door direction for assembly and disassembly of the rudder and the screw . according to another embodiment of the invention.

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In a "preferred embodiment of the invention according to. FIGS. 1 and 2, a device A1 for assembling and disassembling the rudder and a device a2 for assembling and disassembling the screw are shown in FIGS. 1A and 1.B. Rudder 7 or screw PE is supported on the carriage 1; at the point A, and the carriage 1 is driven on the rails 6 forwards and in the direction of the arrow E, so that the carriage 1 is raised by a hoist: 1: 2 in the transverse center G of the rails is such that _t., the direction of the carriage remains the same, while only the wheel is rotated 90 ° 5 to rotate in the specified direction with arrow D · "

When the assembly of the rudder 7 or the screw PR is finished, carriage 1 is withdrawn in the direction of arrow E. In this case if the installed rudder 7 or the screw PR touches the carriage 1, the carriage 1 is brought back to the starting point A on rails in direction F. The transport and clamping work on the carriage 1 are now carried out with the help of the control panel 10 on the carriage. It's a hydraulic one Device 13, e.g. a pump and various control valves connected to the control panel.

In the following, the method and the operation of the device al for the assembly and disassembly of the rudder with reference to FIGS. 2A, 2B and 20 explained.

The carriage 1 can run from the rails 6, which are attached to the floor of the dock, with the aid of the wheels 5a to 5d. On the Carts are two pairs of table columns 2a through 2d to install the rudder between them. Table top 3 for support the rudder is at the lower end of the pillars ... .... 309849/05 * 4

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2a to 2d of the table "attached. Aa the outside of the respective pillars 2a ″ to 2d stand IT guide frames 2a to 2d on the carriage 1, and within respective frames 4 Lifting units 9a to 9d are available to move the table upwards and to move downwards, the ends of the lifting units 9a to 9d on the cylinder side and the ends on the hunger sides on the Table 3 are attached to the rudder in a suitable position near the upper ends of the respective frame 4a Ms 4d The columns 2a to 2d and the table 3 relative to the agen 1 are supported by the respective frame 4a Ms 4d the respective lifting units 9a to 9a are raised when the latter are extended or moved together.

A required number of level lifting mechanisms 11 are provided in the table 3 in order to adjust the horizontal inclination of the rudder supported on the table 3 by means of rollers (not shown). On the other hand, "the respective table columns 2a to 2d have clamping hoists 8a to 8h in order to accommodate the two rudders 7 between them, which are horizontally (unlimited) mounted on these hoists _{or the like}

On the carriage 1 there are 6 lifting devices 12a to 12f in a suitable manner for the purpose of moving in the direction of the arrow B in Pig. 1A arranged, the carriage 1 coming to the transverse point C on the rails is raised and only the wheels 5a to 5d become rotated without turning the carriage itself, whereby the direction of movement of the carriage is that of arrow D, see. Fig. 1A is changed so that the carriage is moved to the predetermined position (the movement to reverse the carriage

309849/0544 ORIGINAL INSPECTED

to close is correspondingly the same).

The operation of the entire facility is explained below. which essentially takes place in the following order:

1 · Raising the rudder «

2. Support or storage of the rudder plate.

3.! Protrude from the rudder plate.

4. Positioning and centering the journal bearing,

5. Adjusting the vertical and horizontal inclination of the Rudder plate

6. Lateral wake movement of the rudder plate. 7 · Insertion of the rudder plate.

8. Your connection with the rudder stick. 9 · Withdraw the carriage.

The rudder 7 is provided with hangers, which are horizontally present in a predetermined division at the bottom of the dock or in another position, the rudder is gripped by one or more (not shown) cranes , raised, the car 1 is loaded with it and prevented that the rudder can fall down on one side, by inserting the clamping lifting equipment 8a to 8h. As is in this state, the center of gravity of the rudder, 7 _S compared with the center of gravity of the carriage 1 forward, it is unstable ₉ so that the loads on the The door wheels and the rear wheel are unequal, »Therefore, a counterweight 15 is suspended from a certain position with the help of the associated lifting device 14, the lifting device being attached to the rear end of the rudder 7 and" -

309849/054 4 ORIGINAL IN

This stabilizes the center of gravity and the uneven load is balanced on the front and rear wheels.

When the support work for the rudder 7 on the table 3 is finished, the rudder is raised two or three times in a row with the help of the lifting gear of the table 3 to the rest position for to determine the rudder (e.g. four times for two lifting devices with 45 and 120 tons lifting force in this embodiment) Thus, the suspension speed of the rudder at the left and right front and rear sides by hoists 9a and 9d brought to the same level (see also the working method of the hydraulic control circuit).

Car 1 is set in motion by its own hydraulic motor so that it runs in the direction of arrow B in Fig. 1A. If it arrives along the rails at transverse point 0, it is stopped by a limit switch (not shown), which under the carriage is present and then it moves slowly and inch by inch (at low speed), with the speed is less than half the normal speed .. Then it is predetermined by a mechanical stop Position stopped. The motor, limit switch, stop, etc. can individually be components known per se, from their explanation is disregarded.

The direction of the carriage 1 is determined by hoists 12a to 12f (three units of 45 tons χ 150 pieces, three units of 80 Tons χ 150 pieces, 6) not changed, but the car is raised, the engaged clutch of the axle shaft is decoupled and thus the wheels 5a to 5d are rotated by 90 °, e.g.

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by hydraulic cylinders etc., the carriage travels downwards and the wheels are then supported on the rails in the direction of arrow D ₉ Fig. 1A.

then running the carriage in the direction of arrow D, and it arrives at the rear, rudder _s raised to predetermined height by lifting gear 9a to 9d of the Maltese 5 7 disrch stopped the limit switch, and then in Ijangsamantrielb with the aid of the control panel 10, for about half its working speed driven to center the 2-cone viewer "

Vertical and Horizontal inclination of the rudder 7 is nachgestallt with the aid of lifting equipment 1-1, the present SiDLd ₉ after which the clamping forces of the respective clamping hoists 8a reduced to 8h from 20 to 0 "5 Xonnen what the by a restoring force on the table Lifting takes place, effected by lowering the hydraulic brackets from

200 fcg / cm to 5 kg / cm, so that the jfechstellraag the support height is carried out easily and prevents that

Rudder can tilt »

The lateral movement of the rudder 7 is carried out with the aid of the hoists 8a to 8h. If the rudder 7 is pushed to the right by hoists 8a to 81, the actuating forces of the hoists 8a to 8H on the left side are automatically reduced from 20 to 0.5 suns, so that the rolling elements for the rudder on the fisch 3 can be pushed slightly to the left as shown in the figure »If the rudder is adjusted to the left, the adjustment movement is in the opposite direction *

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To center the rudder plate, the vertical and horizontal. Inclination and a lateral movement of the rudder 7 such that z.ß. the rudder 7a of one portable case shown in Fig. 10 as it is used is when rudder 7b of the so-called Peld execution Fig. 1D is centered so that the pin is inserted and tightened to enable the rudder 7b to be deployed.

Then the rudder lever is attached to the rudder in such a way that That the installation of the rudder is finished · Now table pillars 2a to 2d and the table 3 for the rudder down with the help of the hoists 9a to 9d, and the balance weight 15 is on the table 3 by hoist 14 moved into the rest position in such a way that table 3 can go down, after which car 1 in the direction of arrow E. is withdrawn and then carriage 1 is withdrawn further, the wheels 5a to 5d in the direction of arrow F in the area of Cross points s G * rotated on the rails so that it is the starting point A returns. The way of working, like the carriage withdrawn is similar to how the rudder was moved If the rudder 7b is installed on the field type, the pin is brought to rest on the carriage 1 and together with the Steering rudder moved so that it can be installed hydraulically

This embodiment will now be explained with reference to Figures 3A and 3B. Pig. 3A is a side view, Pig. 3B a sectioned, partially fragmentary view thereof.

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From Pig. 3B it can be seen that peg 16 is on the peg holding station is stored on the carriage 1 and the! transport, as well as the centering process of the pin, as already stated above.

When the centering of the peg is finished, the pegs are inserted into the stern part, or the rudder 7b along with it The help of the hoist 17, which was provided from the outset on the dock floor.

If pressurized oil is fed to the hoist 17 via inlet P1, Outer piston 18 is raised and pressurized oil is added to the inlet P2 supplied, the inner piston 19 is raised and pushes the pin 16 upwards until it passes through at part a come a drawn line position indicated so that they can be used in the rudder 7b; the nuts are tightened so that the rudder 7b is installed and thus the assembly of the rudder 7 is completed. About openings P1 and P2, the pressure oil is depressurized, pistons 18 and 19 down and car 1 withdrawn.

If the carriage 1 is prevented by the rudder 7 from starting when the carriage is to change direction so that it can be withdrawn - provided that the frames 4a to 4d by suitable Sauteile, z _a ß. .Bolts (not shown) are releasably attached from the start - one side of them is removed from the carriage 1 so that the carriage 1 and the frames on the other side remain installed and the carriage can be withdrawn.

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The following is the interrelationship between car 1, the Wagon wheels 5 and the rails β © 3? Refines *

From Figures 4A to 4E, in particular Fig. 4-B vuoxL fig _e 4E it can be seen that awei rotating © shafts St and S2 are located between the support frame 25a xm & 25b, that is, from two parallel, flat plates TbeeteheBj, A drive wheel 2-1 msel © in idler wheel 22 is attached to these skins S1 and S2. The lad 21 will be <tar @] b. © inen Bjdraulikffl, © tor 20 as seen individually, driven A © Brehwelle is at one end © iraierlmlfe ä © r support frame 25a νμ & 25b as well as between the wheels 21 imä 22 ₉ i _o B _e above @ in © n pin SO odgl · to the Stütsr & ii & es Ta®fQ © tigt- raid eretr @ ekt see at the other end hiervoa v @ rtitel amfwi ^ tSe The oe @ re projection of the shaft 51 is rotatable ia @ in © 2> ifalb © 33 g @ lstg @ a _t which is provided in an opening 30 © in the carriage 1 "smsaiiaea ait & ®m Ärelilager 34 on the carriage 1" Eag With Ö, © r teehw © lle 31 and at equal distances a amfeeiefö ^ a ^ ay circumference are four ring parts 36 The flanges of which have four recesses 36c to 36f as shown. On the other hand, an annular support member 32, which is provided on the annular support member 32c for supporting the integral part 36 of the shaft 31, is _{attached to the radial inner 9-} lower cable and has a pair of jumps 32a tuKl · 32b, which correspond to the radial, inner, @ b © r®a 2 © il of the inner surface of the P. flange, which extends radially on the inner part of the shaft bearing 34 »(These components are fastened in a suitable manner by respective fastening parts such as welds, bolts, as are individually known per se).

Therefore, carriage 1 is attached to the assembly 5 so that it does not rotate ₉ in engagement with a pair of recesses 36c and 36e (or 36d and 36f) which are provided on the face of the ring member 36, which is to the wheel unit 5 with the projections 32a and 32b belongs to the ring part 32 intended for the side of the car where the car is usually moved on the rails 6. Yorker iet also provided a gap which is the depth of the recess of the flange of the ring member 36 formed between the lower surface of the flange of the ring member 36 and the upper surface of the hanging member 32c which is mounted on the lower surface of the annular support member 32 "If so the carriage 1 is raised at the crossing point C of the rails 6, the wheel unit 5 is retained on the rails β without being lifted upwards due to its own weight, so a pair of gate projections 32a and 32b of the annular support member 32 from a pair of Depressions 36c land 36e (or 36d and 36f) of the flange of the ring member 36 are removed, and at the same time the upper surface of the ring member 32c mounted on the annular support member 32 is brought into alignment with the lower surface of the flange of the rim member 36, in order to support the structural unit 5 on it. If carriage 1 is subsequently raised, the wheel unit 5 is thrown through s ring component 32c supports, which eats mounted on the flange of the ring part 36 to the ring-shaped support member 32 in order to be lifted (flateä) τοη the rails 6 ", thus the assembly 5 is rotatable between carriage 1 and rail 6" in the underside of the Ring parts 36 is a lever 321 for turning shaft 31

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and lever 231 on this shaft end is articulated to one end of a hydraulic cylinder 23 to the To turn the wheel unit, which at the appropriate file of the car with the help of a pen or the like. 23p is attached. So how stated above, when the bath unit is now rotatable and when the hydraulic cylinder 23 is acted upon, the Wheel unit 5 rotated by 90 ° so that the direction of movement of the carriage 1 relative to the direction of movement as indicated by arrow B in Pig. 1A indicated, is changed, indicated in one direction by arrow D, or from the direction of arrow E in a direction of arrow P.

If four wheel units 5 designed in this way on a carriage 1, as exemplified in Figure 1A, e.g. Wheels 5a to 5b, it can be seen that their number per se is not limited

Like Pig. 40 shows, the wheels 21 and 22 do not have a rim, which means that you do not need a cutout on the rails at the point of creation, so that a knock on the wheels of the car is also reduced, also a zig-zag-shaped movement of the wheels when the amount of oil is readjusted by the hydraulic motor together with rail buffers 24 and 24 "to the Rails 6. Rib-like members 26 are provided on the support frames 25a and 25b of the wheels, so that the Rib 26, if it comes into contact with rails 6, can tilt and make the carriage 1 go down, even then if wheels 21 and 22 could be damaged.

Further, a method is shown in FIGS. 5A to 5C and 6A to SB

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and a system a2 for assembling and disassembling the propeller as explained below

Said the trolley-wheel unit and its auxiliary components in the system a2 for assembling and disassembling the screw, as well as for transporting and changing direction of the carriage 1 similar to those the system al are for the same purposes of the rudder, these work processes are not repeated.

Of FIGS. 5A, 5B and 5C, FIG. 5A shows the end view of the frame for the stern with the right half and of the frame for the bow with the left half; Pig. Fig. 5 shows a plan view thereof and Pig. 50 shows a side view thereof, after attachment to the screw shaft, wherein figure 6A and 6ß enlarged views screw supporting beam illustrate for explaining the operation of, with a pair of Bugrahmen 110a and 11Ob ₇ wherein the rear frames 111a and 111b on both sides of Carriage 1 are erected and the frames 110a and 110b are rotatably arranged on the carriage 1 about a hinge 112 and the carriage center by means of hoists 113a and 113b to be moved down the frame, and the frames 111a and 111b are on the carriage 1 slidably movable in the direction of arrows G and H, respectively; they are to the rear base by suitable (not shown) components such as bolts or the like. attached. A reinforcing member 114 is attached between the rear frames 111a and 111b as shown. Beams 115 of a support work station for the bow side screw and beams 116 of the support work station for the stern side screw are slidably supported between frames 110a and 110b and between frames 111a and 111b so that they are supported by a hydraulic hoist 117 at the moment of lifting. Stations 118

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and 119 for the support of the screw are provided on the beams 115 and 116 in such a way that the supports and statios. to "move sideways for the visual cover" by moving the hoists 12Qa, 120b, 121a and 121b. The screw PR is lowered on support stations 118 rad 119 in order _{to mount the screw 9} as indicated above.

One can dismantle the car 1 of the Aalage a2 star assembly mad the screw also ia the plant al sra? Montag® and "dismantling of the screw within ä © s es? fiadimgsprin ^ ipEi use.

The operation of the plant a2 sur assembly wheel disassembly.

the screw is explained below in the sequence of the work steps for assembling the ship's screw

1. Erect the

2. Store the screw ©

3. ^ transport of the Schratabe

4 · '· Adjustment in the correct position

5. Insertion of the vision hood

6. The frames are opened on both sides,

7. The carriage is withdrawn.

Suitable hangers (not shown) are attached to di @ screw attached, which is provided horizontally on the dock floor or in another position «so that the screw is vertical by cranes A curved ring bearing 123 is attached to one Ieil mounted to it directly on the support bearings 118 and 119 (Wooden frame) amfsulegen the screw, in the hub part of the Screw so that the screw generally supports stations 118 and 119 will. Since the screw blades come into contact with the

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support station 116 come, when they are inserted into this, the frames are moved in the direction of arrow H -before by lifting equipment (not shown) to create an opening between screw frames 110a, 110b and 110b, 111b to insert the screw here Once this has been done, frames 111a and 111b are moved back in the direction of arrow Q and the support stations 118 and 119 of the viewing hood are thus supported. and does not occur between taps 110b and 111b.

The amount of lateral movement of the screw PR becomes last by a hand-operated pump, not shown, via or controlled in connection with hoists 120a, 120b or, 121a and 121b, which move the support stations and to the beams 115 and 116 for the support stations "are available and last the angles of upward movement of the screw shaft by a pump (not shown) via a hydraulic one Hoist 117 finely adjusted to determine the position of the screw.

When the positioning of the vision hood is finished, it can be inserted the screw into the screw shaft, after which the screw is tightened by tightening clamping nuts, after which the assembly of the screw is complete.

When the frame of the carriage 1 is withdrawn, the beam 115 becomes the Support station for the bow side screw suspended resiliently together with the station 118, the pivot collar 122 loosened the Hoists 120a, 120b, 121a, 121b and 117 relaxed, as well as the

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Frames 110a and 110b on both sides by the hoists 113a and 113b opened so that frames can fall off so that when carriage 1 is withdrawn in position E, the bow side frame 110a and 110b not with the blades of the screw PR come into contact.

The procedure for withdrawing the carriage 1 is the same as that which has already been stated above

The hydraulic circuits for operating the Carriage, the rudder, the screw, etc. explained with the aid of Fig. 7.

Here in area A are the diameters of the cylinders of the respective hydraulic hoists 9a, 9b * 9c and 9d different, so that they correspond to the unequal loads of the rudder, however, the area ratio of the piston side to the plunger is side of the cylinder, taking into account the plunger diameter, is provided so that this ratio is equal to that with respect to the hoists 9a, 9b, 9c and 9d and the operating speeds the hoists 9a, 9b, 9c and 9d are also kept the same for the lifting process «The drive of the electric motor 71 is distributed in two areas of the system, via a gear 72, namely from the pump 73 to the hoists 9a and 9b and from the pump 73 'to the hoists 9c and 9d,

The cylinder ratio of the hoists 9a and 9c is, by previous Estimation of the load distribution, determined, however, the continuously variable transmission 72 is designed or adjusted so that it can be readjusted in the event of small changes in load in order to maintain the appropriate flow rate at the hydraulic pumps 73 and 73 *

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Once set, there is a readjustment of the stepless Gear 72 is not required for the operation of the same rudder, but it is for its redundancy or laziness Relief valves 75 and 75 'and solenoid valves 74 and 74 * provided in such a way that one can wait for the behavior of one side if the lifting of one side occurs earlier, and accordingly the plus speed of the hydraulic circuit can readjust this circuit works as follows:

Hydraulic pumps 73 and 73 ^f , driven by the electric motor 71 and continuously variable transmission 72 have their predetermined flow rate, and the solenoid valves 74 and 74 'are (always) operated so that they are blocked, so that relief valves 75 and 75 ^f the predetermined pressure hold, after the lifting, solenoid valves 76 and 76 * are acted upon via equalizing valves 77 and 77 *, so that even distribution at valves 78 and 78 takes place in such a way that the hoists can be raised so that a hydraulic return flow to the accumulator is ensured . During shutdown, solenoid valves 70 and 70 'operate so that the oil flows in opposite directions to ensure shutdown. However, when the backward back pressure on the equalizing valves 77 and 77 'becomes effective, the predetermined pressure is maintained, with the result that it is reduced evenly.

If gear 72 is incorrectly set incorrectly, so that the flow rate of the pumps is not readjusted, so either the hoist 9a or 9c earlier starts up, one of the solenoid valves 74 and 74 '

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stopped resiliently in its operation so that the oil of a relief valve 75 bsw, 75 * can flow to in Wait a predetermined time for the hoists to move upwards to be able to *

Area B in I? Ig * T _9, which shows the operating circuit of the clamping hoist for the rudder, are essential parts of solenoid valves 74 "and 74" and relief valves 75 and 75 * for relieving the pump 73, as well as other solenoids -Yentile 81 and 81 · ₉ to the right and left lifting loop to open ^ bsw _e to sehließen further solenoid Yentile 83 * 84 "85 lind dan supplying hydraulic hoists 86 ra oil, furthermore H © te © s © MGE 8a to 8h each having the same Zylinderdurehmess @ r _e by a side lock the Oemmeinriehtung the Aebeitssehpitt © AIAD in the gears · forward and rearward split ₉ vm to mount the rudder to dismantle or · ^ is, ®ia © movement to the right or left for the laterally © Bewegimg of the rudder when it is clamped waae be · below the clamp at the set level by the sisch the helm di © individual Irbeitsaehritte the respective working parts or _o Arseltsteilgruppen described for itself: De r Forward and reverse of the side lock The solenoid valve 74 is blocked and the relief valve 75 is operated to maintain the predetermined pressure, and the solen © i & - = ¥ @ atil © 83 raid 85 are in operation

Specifically, hydraulic pressure is supplied to the hoists 8a to 8h via the pump 73 through solenoid valves 81 raid 81 * supplied so that this is in the forward direction (thrust direction)

309849/0544

work to clamp the rudder, with the backward, backward dynamic pressure at constant pressure constantly held by the compensation device ₉ such as compensation valve 82. In the reverse work step, solenoid valves 84 and 86 are operated in such a way that they work completely in opposite directions in order to carry out this work step.

Moving the rudder to the left; Tentil solenoid 74 is urged closed ^ relief valve 75, such mn the predetermined pressure on quite noted solenoid valve 81 is closed (opened Yentil 81 *) and solenoid Tentile 84 and 85 are held in Setrieb ·

Therefore, the hydraulic pressure is passed through the solenoid valve so that it moves the left-hand hoists 8c, 8d, 8g and 8h forward, in the direction of impact, and the AM.ui§l is passed to the equalizing valve 82 and from here to the sump are pressed on the right-hand side © hoists 8a, Sb ₅ 8e and 8f in the drawing direction and the oil drain from the hoists on the right-hand side on the pressure side is returned to the sump via equalizing valves 100 and 82, while the oil from the pull side is discharged via control valve 88 and enters from the sump side. During the left-hand pushing process, solenoid valve 81 'is closed (valve 81 open) and valves and 86 work completely opposite to the above mode of operation.

Clamping the level of division!
Solenoid valve 74 is kept open, pump 73 is emptied

309849/0544

Solenoid valves 81 and 81 ^r are opened simultaneously, it so that valves 84 and "apply 86. Therefore, only the hydraulic Vorwärtsdruok holds the lifting tools on relief valves 100 and 100 'to the predetermined working pressure and the predetermined working pressure is only maintained for compensating valve 82, when solenoid Valves 84 and 86 between equalizing valves 100 and 100 * are actuated so that the pressure in the hydraulic circuit drops to zero in the pulling direction «,

This circle works like this:

If he is by the action of the hoist adjusting the fish is tensioned to the right, the hydraulic oil flows in the forward direction of the right-hand hoists 8a, 8b, 8e and 8f in the opposite direction through the equalizing valves 100 and 100 * and actuates the hoists 8c, 8d, 8g and 8h in the direction of impact (Going Direction) · And the oil in the hoist circle 87 in Direction of pull is supplied in the opposite direction by control valve 88 directly from the sump · The circle in the direction of pull of the hoists 8c, 8d, 8g and 8h have pressurized oil flowing directly to the pump side

When the rudder pushes the left-hand hoists 8a, 8b, 8e and 8f in front of it (forward direction), it is reversed to the above Workflow instead of

Then in area C in Fig. 7, which shows the control circuit for the device for lifting the hoist, the valve 74 for closing the pump and for discharging the circuit, the relief valve 75 (common to parts A and B) for the flow control valves 90 , 91 and 92 are used, which monitor the predetermined Durohflussgespeed of the solenoid valves 89 and 89 ^f · Furthermore, an auxiliary control valve 93 is provided to control the direction

309849/0544

of the equalizing valve 101 and hoists 94 and 94 'with different inner diameters

This circle works like this; If the unloaded circuit is closed and not in operation, so the solenoid valve 89 is acted upon during the upward stroke movement and the airspeed is controlled by the flow control valve 91 monitored, the previous by the auxiliary control valve 93 is adjusted so that the hoists 94 and 94 · eye- * and the return flow to the sump is carried out in the usual way. When shutting down, solenoid valve 89 * urged to directly push back the hoist, however, the backward dynamic pressure becomes in terms of the flow velocity monitored by flow control valves 90 and 92, but also by balancing valve 101 so that a flow takes place in the sump and the respective hoists are lowered at the same speed.

Further, in part D of Fig. 7 which shows the working circuit for the hoist to move the frames of the screw, the essential parts are solenoid valves 95 and 95 * to change the hydraulic hoist circuit and a valve 96 to change the flow rate or to divide the river, and furthermore simple hoists 120a, 120b, 121a and 121b _e

This circle works like this:

Solenoid valve 74 is closed and relief valve 75 is not, in this state, pressurized for a forward gear; the solenoid valve 95 is pressurized and valve 96 is evenly divided with regard to the flow rate, so that lifting devices 120a, 120b, 121a and 121h are triggered

3Q9849 / 0544

If the reflux takes place in the sump ₉ and / or, the container as such is acted upon by the withdrawal process, and a completely reversed workflow takes place.

In the system, according to Fig. 7 as in another, automatic, hydraulic circuit for controlling a device is a Hoist part E for pulling the counterweight, a hoist part F for pushing down the frame of the screw and a hoist part (not shown) for turning the bath available. Since these components are so far of simple construction, the related description and solenoid valve are omitted 75 is pressurized in the closed ssu warden and relief valve 75 is not put into operation «,

There are three groups of hazidbeers? Hydrauliktaeise at the according to the invention sueätslieh zraa Hyfeanlikkreis des Motors available «In detail it is © in! © ixs adjustment circuit of the rudder, arranged on the table, a fine control circuit for lateral adjustment of the rudder and a Fine adjustment circuit for lifting the rudder.

Part G- of Fig. 7 shows the fine adjustment device for the JThe level of the rudder, and even if the circle is very easy there are holding valves for all lifting movements and there is an independent lifting movement for each individual hoist between the manual hydraulic pump 98 and the respective Lifting equipment 11 possible, and this is set in motion in a similar manner with the aid of the clamping circuit, namely in hand-operated Shape depending on the Elveaue in the division, whereby the

309849 / 0S44

Rudder is held locked in the clamping device of part B «

Sann is in area B according to Pig. 7 of the Peinnach sub-circle for the lateral adjustment of the screw »contains this after adjusting the screw with the help of a manually controlled Pump carried out until there is a match with the axis.

The operation of this hydraulic circuit is simple, and will omitted.

In the area I, according to Pig. 7 »which is the fine adjustment circle for lifting the screw, this adjustment is carried out at the support station of the screw, and this is done at the same time as the lateral adjustment to align with the axis to flee.

The work processes of these circuits are thus explained, but the hydraulic circuits of the system for assembly and disassembly the screw is completely blocked in order to report that hydraulic circuits are again activated by lever switch or a push button are switched on and the way of working is incorrect superimposed on the other circles.

This frame common to the rudder and the propeller are explained below on the basis of another embodiment of the invention. Figures 8A, 8J3 and 80 show the common frame for rudder and screw, here Fig. 8A is the front view thereof, Fig. 8B is a plan view and Flg. 80 is a side view · The common frame, or the Frame contains or contain improvements compared to those that were explained with reference to FIGS. 2A to 2C,

309849/0544

also the device for assembling and disassembling the screw on the common frame · Here the same components have the same reference numerals as in Pig «2A to 20 and Pig · 5A to Pig 50 denotes

Here, the insertion and retraction of the rudder 7 is the same as that of the removable ones indicated above Cutouts are available on the rope S and penetrate the screw blades with regard to the Iischsäulm2a, 2b, 2c and 2d If the screw PR is then pushed off, the cutouts are removed and the frames 4a, 4b, 4c and 4d and the table columns 2a, 2b, 2c and 2d are rigidly attached to the plate 50 by bolts 51, see Pig. 8A attached. Supporting station beams 115 and 116 for the propeller are within the support frame 52 for the Screw present and with the help of a hydraulic hoist 117 can be moved upwards. Support frame 52 for the screw comes with Fastened to the table columns 2a, 2b, 2c and 2d with the help of bolts

Beam 25a of the support station of the screw is slidably divided over rolling elements 25b, and the longitudinal movement of the screw PR, their upward movement and their lateral movement are controlled by hydraulic hoists 34 »117 and 120a, 120b, 120c, 12Od each carried out, and then inserted into the screw shaft after the screw PR is inserted into the screw shaft, the fastening bolts of the frames 4a, 4b, 4c and 4d are attached the carriage and the clamping bolts of the rudder isohes 3 to the Tiseh columns 2a, 2b, 2c and 2d removed, the two sides of the Rear frame 4o and 4d opened via hoist 113, so that these Frame can fall off (as indicated by three dashed lines in Pig. 8A) so that now carriage 1 is withdrawn

can be.

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According to the invention, the following advantages, among others, are achieved:

The transport and assembly of the rudder and the screw can be done safely, quickly and easily. Highly skilled Laughing work is no longer necessary for this activity »In addition, costs are saved because the number of Work steps is reduced. For example, it is determined that 1,700 man hours and 2,900,000 yen are saved. Finally, it should be pointed out that savings are being made on auxiliary equipment and cranes.

309849 / 054A

Claims (4)

21st time 1973 IG / btt 1. SASEBO HEAVY IKDUSiL ¹ RIBS GO., LTD. 2. OSAKA JACK MPG. CO., LXD. Patent claims: 1. Procedure for installing or removing an outboard device with relatively large ships, especially a rudder, under Eineatz of a car, a chassis or the like «, whereby the rudder or the like. is first erected, characterized in that the car or the like. forcibly guided along the dock floor is, the rudder or the like. flat or approximately horizontally on a support structure 11, e.g. a table, so that it comes to lie between table pillars and is then recorded there that these pillars are supported on the table and each are displaceable along tone frame parts, preferably the rudder and the table are adjusted vertically and horizontally, as well can be adjusted in these levels, the loaded car is then retracted into the stern of the ship, that then the position of the Table vertically, as well as to the side and the rudder or the like. relative to the bow and stern sides, as well as their left and right Pages is readjusted, the pegs and the center of the peg hole of the rudder and rudder lever or the like. centered on each other and then Rudder or the like. and rudder levers are firmly connected to each other and then the car is moved out of the rear area. 3098 4 9/0544 2. Procedure for installing or removing an outboard device, in particular a ship's propeller, characterized in that that the car is provided with frame parts on the front side, that these frame parts are opened ^ that the car is in the Rear area is provided with displaceable frame parts that between associated frame parts Abatützstationen the Propeller. be moved slidingly, as well as these stations up-down as well as laterally and horizontally for the purpose Adjustment or readjustment will be moved so that the screw is placed between these frames on the respective support stations is that the vision hood with the car is then transported into the stern of the ship and then the vision hood position on the support stations relatively sir vertical and lateral Direction as well as the screw angle ©! relative to bug and Heekseiten, as well as to the right and left sides of this adjusted or adjusted so that the screw is connected to the screw shaft ^ then both sides of the Rataa opened and then the car will fail » 3. Device for installation "or". Removal of an outboard device according to claim 1, characterized in that a pair of opposing frame parts are present ■ »öi © are supported on the carriage (\) , the carriage being on rails of the dock floor in that the table aufwärtalabwärts has with the respective pairs of frames movable 'columns ,, or eM Yerstellgestänge that the table (3) to the lowermost ends of the respective table columns (2a, 2b, 2o ₉ - 2d) is fixed, that hoists (9a to 9d) there are ₉ tom to move the table (3) and the table columns (2a ) up and down and that 309S49 / 0544 further component © _ΰ if the Hiibv © ri? i © Sitimg @ a or Eetezeuge are present, 'ma the position of the rudder (?) on the table (3J relative % tw vertical ETbsne raid exercises position initiation ^ as a ^ eii components, -um-the inclination of the rudder (7) relative to the bow = · and H @ © ks © ite on the right and left side of this @ inmast @ ll @ a _o 4 _β ¥ device smm Mateiip bsü? _o Amsteu © in © r einriolitungs inefe @ s © afi © E © © ines ¹ SeMffeeoteambej dadisrola ". marked j that it has © stalks (11Oa ₅ 110b) facing each other and Sm BugricJitung on the wagon (1) are in front of each other , fier on SeMsiea (6), that also a pass v @ s, Gegsa.ü'berliegesäeaj, yersoliiebbareiis in the direction of the Meefcs aa Ifagen (1) arranged other space. (111a, 111Ij) voi? Baafi @ a giad ₉ that the Β © ΐ2ταιιΐ3β (ΡΕ) ν © ιι? is beitsstatioa supported a _workstation? iasfeesoaaes © teüekaaartig formed Ai ₉ w © Leh @ between the ^ one-piece frame pairs (110a and 110b) arranged like a bridge xmä -Creating is downward versöhiebbar _{a% Ο Β Φ} in lorm of a bar (115, 116 ;, that further .Bauteile ame Yerstellung are vorfanden these workstations down-aufwarts and other J3auteile for setting the Scteaubenposition on these workstations len relative to vatik ^ level bs ¥? _e direction to the sides, as aueii for setting the angle of the slider relative to the stern and bow side, as well as the right and left sides of this, are available. 5o alignment for the installation or expansion of an outboard equipment especially for the common installation of a rudder 309849/0544 _g gekeimseielmet and a propeller in that it comprises a pair of opposed lalmenteilea has formed the channels ₉ open Eaiamentell © ang@ords.at mad / od © r _s is that these Eahmenteile arranged in üugri @ Mmag on the Ifegea (1) IGT j that a pair of slidably mounted opposite one another. Rail parts in üeekrleli-ferag are available on the wagon (1) that Sischsäulea aufteäs? Ts »a'b% '? Arts shared with the respective Baiamen pairs? siad _s bsw »are linked to the fact that a questionable component such as a Tieela ζντ mounting of the rudder and the ship's sea area Torbaaden ^ this Sisch. is vertically "b © i? © gable by a lifting device and the fish is preferably attached to the lowest loading sugeliöEiger table columns, - that ice, drive % iw adjustment of the table, as well as the table columns up and down is available and an adjusting device is used, to adjust di © position of the rudder, as well as the propeller on the fish relative to the vertical ,, as also share the lateral direction and in terms of inclination and the angle of the rudder and the propeller each next ₉ or «and relatively Although the Bag - or «, rear sowing, as well as to the right and left side of this. 309849/0544