JP5828193B2 - Ship rudder device - Google Patents

Description

  The present invention relates to a ship rudder apparatus in which a rotary vane type steering machine is mounted on the top of a rudder apparatus.

  The rudder is hung down on the crown enclosed by the rudder holder installed between the outer plate and the rudder deck, the rudder and crown are formed as a pair of rotating bodies, and a bearing is arranged between the rudder holder and the crown. -In a rudder device of a ship that holds a crown rotatably with a rudder holder, a turning motor type steering machine with a pinion gear attached to a turning motor as a rudder turning source, or a rapson slide type steering machine Was adopted. (For example, refer to Patent Document 1 and Non-Patent Document 1).

  Patent No. 4925022 (drawing, FIG. 1)

  Application (application) number Japanese Patent Application No. 2010-277445 (drawing, FIG. 1)

  The conventional rudder device as described above requires a special installation place for the steering gear. In addition, the steering machine is a complicated mechanism or driven under high hydraulic pressure.

  The present invention has been made to solve the above-described problems. A rotary vane type steering machine (hereinafter referred to as a steering machine) is included in a steering holder that forms an outer shell of the steering system, and the steering holder. A rudder device is made compact by eliminating the need for a special installation site for the steering machine. In addition, as described above, the steering machine is mounted inscribed in the rudder holder, which is far away from the center of the pivoting of the rudder. Therefore, the steering machine is driven under a low pressure by utilizing this form. Of simple mechanism. It aims at obtaining the rudder apparatus of the ship provided with these requirements.

  The main members of the steering machine include an outer ring, an inner ring, a top plate, a bottom plate, a fixed wing with an outer ring, and a rotary wing with an inner ring, which are configured as described in [0008] to [0015] Make it.

  The outer ring and the inner ring are sandwiched between the top plate and the bottom plate. Then, the outer ring, the top plate and the bottom plate are tripled and fastened. On the other hand, the inner ring is slidable with respect to the top plate and the bottom plate.

  The outer ring is divided at the fixed wing described below, and a flat plate or outer portion is formed in a convex shape, and the inner ring is a flat plate. (However, the outer ring and the inner ring are graded as described in [0012]).

  The top and bottom plates are flat. However, when the outer ring portion of the outer ring is formed in a convex shape, the outer wall portions of the top plate and the bottom plate are also formed in a concave shape so as to fit this.

  The relative part of the outer ring and the inner ring is formed as a hexagonal empty ring with the sharp corners of the abacus balls.

  The outer ring and the inner ring formed in this way are inclined on the top surface and the bottom surface of the hexagonal ring, with the top surface facing upward and the bottom surface facing downward.

  A hexagonal air ring is divided into two or three fixed wings with an outer ring and two or three rotary wings with an inner ring, and is formed in four or six compartment pressure chambers.

  Packing is provided on the end faces of the fixed blade and the rotary blade.

  An oil path from the outer ring of the fixed blade to the pressure chamber through the fixed blade is drilled.

  The steering machine configured in this way is mounted between the rudder holder and the top of the crown.

  In the ship rudder device of the present invention, the rudder holder that forms the outer shell of the rudder device and the rudder that rotates the rudder and crown are mounted between the top of the crown contained in the rudder holder. Unlike the rudder device, a special installation site for the steering gear is not required, and the rudder device can be made compact.

  The rudder is inscribed in the rudder holder that forms the outline of the rudder device, and the pressure chamber composed of the outer and inner rings is placed at a position far away from the center of the rudder rotation. Even with this pressure, sufficient torque can be generated to rotate the rudder. The low pressure reduces the load on the components of the steering gear, lightens those members, and reduces the oil leakage countermeasures in the pressure chamber. These events can make the steering machine simple.

  1 is a side view of a boat rudder device showing an embodiment of the present invention.   FIG. 2 is a plan view taken along line AA in FIG. 1.   FIG. 3 is a cutaway view taken along line BB in FIG. 2.   FIG. 4 is a partially cutaway view of FIG. 3.

  FIG. 1 is a side view of a boat rudder apparatus showing an embodiment of the present invention. FIG. 2 is a plan view taken along line AA in FIG. 3 is a cross-sectional view taken along line BB in FIG. 4 is a partially cutaway view of FIG.

  In the figure, the present rudder device inserts and connects the upper part of the rudder 1 to a crown 2 composed of an outer cylinder 2a, a bottom structure 2b, and a top structure 2c, so that the rudder 1 and the crown 2 as a pair of rotating bodies are attached to the outer plate. Between the bottom structure 3b of the rudder holder 3 and the bottom structure 2b of the crown 2, and is enclosed between the bottom structure 3b of the rudder holder 3 and the bottom structure 2b of the crown 2. The bearing is rotated by two pairs of bearings 4a and 4b arranged between a combing 10 standing on a top plate 5c of the steering machine 5 and a top structure 2c of the crown 2 described later.

  In the rudder apparatus configured as described above, the steering gear 5 is configured as described in [0023] to [0033], and is installed in the rudder apparatus as [0034] to [0036]. Yes. In addition, the rudder 1 and the crown 2 are rotated as shown in [0037].

  The steering machine 5 includes an outer ring 5a, an inner ring 5b, a top plate 5c, a bottom plate 5d, a fixed blade 5e, and a rotary blade 5f, which are main members.

  The outer ring 5a and the inner ring 5b are sandwiched between the top plate 5c and the bottom plate 5d. The sandwiched form is that the outer ring 5a is fastened by the fastening bolt 6 with the top plate 5c and the bottom plate 5d tripled, and the inner ring 5b is The top plate 5c and the bottom plate 5d are slidable.

  The outer ring 5a is formed with a convex shape at its outer shell. Further, the outer ring 5a is divided at the fixed blade 5e in order to fix the fixed blade 5e described below to the outer ring 5a and the rotating blade 5f to the inner ring 5b.

The outer portions of the top plate 5c and the bottom plate 5d are formed in a concave shape so as to fit the convex shape of the outer portion of the outer ring 5a.
The engagement between the convex shape formed by the outer ring 5a and the concave shape formed by the top plate 5c and the bottom plate 5d suppresses the swelling of the outer ring 5a caused by the hydraulic pressure of the pressure chamber 5g, which will be described later, and prevents oil leakage in the pressure chamber. Is to do. When the swelling of the outer ring 5a is small, the outer ring 5a, the top plate 5c and the bottom plate 5d are all flat.

The relative part of the outer ring 5a and the inner ring 5b is formed in a hexagonal hollow ring with the sharp corners of the abacus balls cut away, and the relevant part of the outer ring 5a and the inner ring 5b has a pointed shape toward the center of the hexagonal ring. Is formed.
This sword tip portion is pressed against the top plate 5c and the bottom plate 5d by the hydraulic pressure of the pressure chamber 5g formed by [0030] to prevent oil leakage of the portion.

The top surface and bottom surface of each of the outer ring 5a and the inner ring 5b are sloped upward toward the center of the hexagonal empty ring and downward toward the bottom surface.
These gradients are obtained by sandwiching the outer ring 5a and the inner ring 5b between the top plate 5c and the bottom plate 5d, and fastening them with the fastening bolts 6 as described in [0024], so that the sword tip portions of the outer ring 5a and the inner ring 5b are connected to the top plate 5c. It presses against the bottom plate 5d to prevent oil leakage at that portion.

  When the pressure contact force generated by the previous items [0027] and [0028] becomes excessive at the sword tip portion on the inner ring 5b side, there is a concern that the frictional force of the portion may cause the torque of the steering gear to be lost. The fastening force of the fastening bolt 6 needs to be controlled to avoid this and to prevent oil leakage.

  The hexagonal empty ring is partitioned by two or three fixed blades 5e and two or three rotary blades 5f, and four or six sections of pressure chambers 5g are formed. (FIG. 2 shows a four-compartment pressure chamber).

  The fixed blade 5e is fixed to the outer ring 5a with a fixed blade plug 5h, and the rotary blade 5f is fixed to the inner ring 5b with a rotary blade plug 5i.

An oil-tight packing 5j is provided in contact with the blade tips of the fixed blade 5e and the rotary blade 5f. The oil-tight packing 5j is made of rubber and has a tongue along the edge of the blade tip and toward the pressure chamber 5g. This tongue is pressed against the edge of the blade tip by hydraulic pressure to prevent oil leakage of the part.

  The outer ring 5a and the fixed blade 5e are pierced with an oil passage 5k for supplying and discharging the pressure oil from the separately installed hydraulic pump unit 30 to the pressure chamber 5g.

  In the steering machine 5, the outer ring 5a, the top plate 5c, and the bottom plate 5d, which are triple-toothed, are installed on the top structure 3c of the rudder holder 3 by eight sets of installation bolts 7.

  The steering machine 5 has its outer wheel 5 a coupled to the top structure 3 c of the rudder holder 3 by four sets of rudder holder coupling bolts 8.

  The steering machine 5 has an inner ring 5 b coupled to the top structure 2 c of the crown 2 by four sets of crown coupling plugs 9.

  In this steering machine 5, pressure oil is supplied / discharged from the separately installed pump unit 30 to the pressure chamber 5g, and the rudder 1 / crown 2 is rotated left and right. The rotation angle is ± about 70 ° when the pressure chamber has four sections, and ± about 45 ° with six sections.

In the ship rudder apparatus configured as described above, a compact rudder apparatus that does not require a special installation place of the steering gear 5 is used, and the pressure in the pressure chamber 5a of the steering gear 5 is reduced to a low level. The mechanism of the take-up machine 5 is simplified.

1 rudder, 2 crown, 2a outer cylinder, 2b bottom structure, 2c top structure, 3 rudder holder, 3a outer cylinder, 3b bottom structure, 3c top structure, 4a lower bearing, 4b upper bearing, 5 steering gear, 5a outer ring, 5b Inner ring, 5c Top plate, 5d Bottom plate, 5e Fixed blade, 5f Rotary blade, 5g Pressure chamber, 5h Fixed blade plug, 5i Rotary blade plug, 5j Oil-tight packing, 5k
Oil passage, 6 Fastening bolt, 7 Installation bolt, 8 Rudder holder coupling bolt, 9 Crown coupling plug, 10 Combing, 20 Hull, 21 Outer plate, 22 Steering machine deck, 30 Hydraulic pump unit

Claims (2)

A rudder is suspended from a crown formed of an outer cylinder, a bottom structure, and a top structure, and a rudder / crown configured as a pair of rotating bodies is installed between the outer plate and the steering machine deck. A rudder holder with a top structure is included, and bearings are arranged between the bottom structure of both the rudder holder and the crown, and between the steering machine top and the crown top structure, which will be described later, and are held rotatably. In the ship's rudder device,
Steering gear, i.e., air ring and an outer ring formed by 2 or 3 divided, the relative portion of the inner ring, a hexagon shape that skived an acute angle portion of the abacus beads at the cut surface containing the axis of rotation of the rudder Crown are formed on, the top and bottom surfaces of each of said inner ring and said outer ring, toward the center of the hexagonal shaped air ring, said top surface is upward, the bottom surface gradient is subjected to downward, the air ring the a 2 or 3 fixed wing secured to the split portion of the outer ring, are separated by two or three rotor blades fixed to the inner ring is formed in the pressure chamber 4 or 6 compartment, wherein packing is Se' the fixed wing tip of the rotor blade, which like, i.e., the outer ring, inner ring, fixed wing and rotary wing is sandwiched at the top and bottom plates, said outer ring, and said bottom plate and said top plate coupled to the state of the three-ply, the inner ring is a slidable state relative to the bottom plate and the top plate From another place of the hydraulic pump unit, through the oil passage leading to the pressure chamber via the fixed blade from the outline of the outer ring in the stator blade, by being possible to discharge the supply of pressure oil to the pressure chamber A steering machine is disposed between the top structures of both the rudder holder and the crown and is installed on the rudder holder, in addition, the outer ring is coupled to the rudder holder, and the inner ring is coupled to the crown. A rudder device for a ship characterized by being combined . In the ship rudder according to claim 1 that, outer portion of the outer ring are formed in convex, outer portion of the top plate and the bottom plate, is formed into a concave shape to fit hair convex outer portion of the outer ring A ship rudder device characterized by the above.

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