JPH0671395U - Ladder device for pilots - Google Patents

Abstract

(57) [Abstract] [Purpose] A ladder device for pilot boarding / alighting vessels that allows the pilot ladder 1 to be smoothly unwound and taken up at an arbitrary position according to the loading state of the cargo, operability, maintainability, etc. To improve. [Structure] A port ladder 8 which is swung in a vertical plane close to the port 3 and a pilot ladder 1 which is stored on the deck 4 and is unwound when the pilot is boarding / unloading and is hung down to the port near the tip 8a of the port ladder. And a skater 23 for sliding the pilot ladder 1 on its upper surface, and a skater 23 for sliding the pilot ladder 1 on its upper surface.
3 is movably supported in the horizontal direction along the outer port 3 and is arranged so that it can be fixed at any position by the fixing means 26. The skater 23 is fixed at any position where the pilot ladder 1 is suspended. To do.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a ladder device for a pilot boarding ship for a pilot who guides the pilot of a ship such as a tanker to enter or leave a port from a boat laterally attached to the port. It is a thing.

[0002]

[Prior art]

 A pilot (pilot guide) who guides a ship in the direction in which it is going to board a ship that comes in and out of a harbor, especially a large ship such as a tanker, comes in before the docking. The pilot uses a small boat positioned laterally on the port side of the ship to climb the port side to an intermediate position using the pilot ladder suspended on the port side, and at the middle of the pilot ladder from the deck. It is usual to climb to the deck by changing the deck that is arranged diagonally toward the position.

The pilot ladder is wound around a ladder reel arranged on the deck, and is stored on the deck in a state of being wound around the ladder reel except when in use. When pilots board the boat, the pilots are required to extend the boat as long as necessary to transfer from the boat. It is, for example, a motor that operates the ladder reel. The pilot ladder is, for example, a rope ladder in which a plurality of tread plates are attached to two ropes, and has advantages that it can be easily stored and unwound, and the length can be easily adjusted. Further, since the rope is flexible, there is an advantage that damage to the boat due to collision can be avoided, for example, when the position of the boat changes due to the influence of waves or the like.

On the other hand, one end of the port ladder is swingably attached to a horizontal axis that is capable of advancing and retracting from the deck to the outside of the port, and is laid on the deck when not in use. It is fixed in the closed state. Then, when the pilot comes in, the pilot is projected outward from the port and is swayed in the vertical plane along the port around the horizontal axis, and its tip is brought close to the pilot ladder. By arranging in this way, pilots who have climbed the pilot ladder can transfer to the port. The deck is a structure composed of iron pipes and the like, which has the advantage that the pilot can climb up and down in a stable manner. Yes, and if it is placed close to the boat, it may damage the boat due to collision with the boat.

By the way, in a ship, the degree of sinking of the hull greatly differs due to the difference in the amount of cargo (for example, crude oil). In other words, in the minimum loaded condition (normal ballast condition) where no cargo is loaded, the hull is exposed more from the water surface and the deck position is higher than in the maximum loaded condition (full load condition) where the cargo is fully loaded. Become. In this case, if the dimensional difference is absorbed only by increasing the feed amount of the pilot ladder, the distance that the pilot climbs using the pilot ladder increases. However, since the pilot ladder is less stable than the ladder, its use should be minimized.

[0006] Therefore, conventionally, according to the amount of cargo, the amount of pilot ladder to be extended is changed, and the vertical distance of the side ladder is changed by swinging the side ladder to change its inclination angle. We plan to make maximum use of the port. In this case, since the deck is swung around the horizontal axis fixed to the deck, its tip position moves in an arcuate locus. That is, in the minimum loading state, the distance between the deck and the boat is large because the ship is exposed to the surface of the water, and the angle of inclination of the side ladder is large, and its tip is located at a position where the horizontal distance from the horizontal axis is shortened. Will be distributed to In addition, in the maximum loading state, the angle of inclination of the deck is small, and its tip is arranged at a position widening the horizontal distance from the horizontal axis.

[0007] Accordingly, the pilot ladder can be changed in its horizontal position so as to be close to the tip of the ladder, so that the pilot ladder can be easily transferred to the ladder.

In the case of using a fixed ladder reel, in order to change the horizontal position of the pilot ladder, as shown in FIG. 5, the pilot reel 1 should be hung at the position where the pilot ladder 1 should hang in the minimum loading state. Place and fix 2. Further, as shown in FIG. 6, a skater 5 that slides the pilot ladder 1 on the deck 4 between the ladder reel 2 and the port 3 when it is fed from the ladder reel 2 or wound on the ladder reel 2. To place. The skater 5 is, for example, a member made of steel such as an iron pipe in a lattice shape, and is fixed to the surface of the deck 4 by welding or the like. Further, the crane 6 having a payload of about 200 kg is arranged at a position where the pilot ladder 1 should be hung in the maximum loaded state. Note that, in FIG. 6, reference numeral 7 is one of mounting tables for mounting the port ladder 8 when the port ladder 8 is stored on the deck 4. Due to the arrangement, the pedestal 8 must be stored in a state of being laid above the skater 5, and at that time, the pedestal 8 is placed and supported on the placing table 7.

In order to arrange the pilot ladder 1 in the maximum loading state by the above means, the pilot reel 1 is extended to the position of the minimum loading state by operating the ladder reel 2 and the pilot ladder 1 is moved by the crane 6. The midway position of 1 is suspended, and the pilot ladder 1 is moved horizontally while being pulled up. The stowage work of the pilot ladder 1 is performed by disconnecting the crane 6 with the pilot ladder 1 returned to the position of the minimum loading state, operating the ladder reel 2, and sliding the pilot ladder 1 onto the skater 5. Will be implemented.

Further, as shown in FIGS. 7 and 8, when the movable ladder reel 9 is adopted, in order to change the horizontal position of the pilot ladder 1, the ladder reel 9 is set parallel to the port side 3. It is arranged on a rail 10 to be moved, and a skater 11 arranged over the entire moving range of the ladder reel 9 is mounted on a deck 4 between the rail 10 and the port 3. As shown in FIG. 8, the skater 11 is formed of steel material such as an iron pipe in a grid shape, and is fixed to the surface of the deck 4 by welding as in the case of the skater 5. In this case, since the skater 11 is arranged over the entire moving range of the ladder reel 9 (for example, about 3 m), the pedestal 12 for accommodating and supporting the side ladder 8 is provided in the longitudinal direction of the skater 11. It is necessary to provide at least one place in the middle of the direction. Moreover, since the mounting table 12 needs to be protruded from the surface of the skater 11 only when the berth 8 is stored, a folding type is adopted.

According to the above means, the ladder reel 9 can be moved to an arbitrary position along the rail 10, and the pilot ladder 1 slides on the upper surface of the skater 11 only by operating the ladder reel 9 at that position. Will be hung at the desired position on the outer side 4.

[0012]

[Problems to be solved by the device]

 By the way, since the fixed ladder reel 2 is basically designed to pay out and wind up the pilot ladder 1 in the minimum loading state, the operability in the maximum loading state is poor. There are drawbacks. That is, the unwinding / winding work of the pilot ladder 1 in the maximum loading state must be performed after the pilot ladder 1 is once placed in the position in the minimum loading state, which increases the man-hours and increases the pilot ladder 1 Since the crane 6 must be used for moving the vehicle, it is difficult to determine the position of the pilot ladder 1. On the other hand, the one using the movable ladder reel 9 does not have the drawbacks of the fixed type, and the pilot ladder 1 can be arranged at an arbitrary position, and the pilot ladder 1 can be extended at any position. It has the advantage that the winding operation can be performed.

However, since the skater 11 that slides the pilot ladder 1 is arranged over a wide range of the entire moving range of the ladder reel 9, and is fixed to the surface of the deck 4 by welding, the deck below the skater 11 is It is difficult to carry out maintenance work such as cleaning and painting described in 4 above. Further, the skater 11 must be replaced if it is severely corroded due to rust or the like, but it must be removed by fusing or the like because it is attached to the deck 4 by welding. In this case, there is a problem that fire cannot be carelessly used in a tanker or other vessel. Further, since the retractable mounting table 12 is arranged in the skater 11, the cutout 13 must be formed over a wide area in the skater 11, and the pilot ladder 1 is formed in the cutout 13. In some cases, it may not be possible to carry out smooth winding / unwinding work due to being caught.

The present invention has been made in view of the above-mentioned circumstances, and the pilot ladder 1 can be smoothly unwound / rewound at an arbitrary position according to a loaded state of a load, and operability, It is an object of the present invention to provide a ladder device for a pilot boarding / alighting ship with improved maintainability.

[0015]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention has a port ladder that is swingable around an axis that is arranged near the deck in a vertical plane that is close to the port, and that is stored on the deck and that is extended when the pilot disembarks. Pilot ladder that hangs down on the outer port near the tip of the port ladder, a ladder reel that winds the pilot ladder and stores it on the deck, and a pilot ladder that is placed on the deck between the ladder reel and the outer port. And a skater that slides on the upper surface of the skater, the skater being supported movably in the horizontal direction along the outboard, and being capable of fixing the skater at any position on the moving path. We have proposed a ladder system for pilot boarding / alighting vessels that is equipped with.

[0016]

[Action]

 According to the ladder device for pilot boarding / alighting vessels of the present invention, the pilot ladder is combined by the pilot ladder that is hung from the deck to the port and the port ladder whose tip position is arranged near the midway position of the pilot ladder. You will be able to board and disembark. In ships, the height of the deck fluctuates depending on the amount of cargo.Therefore, by swinging the side ladder to adjust the inclination angle and moving the drooping position of the pilot ladder, a highly stable side ladder can be obtained. Used to the fullest. In this case, the skater that slides the pilot ladder can be moved horizontally along the port bottom and always placed under the pilot ladder. Deck maintenance work will be carried out by moving the skaters.

[0017]

【Example】

 Hereinafter, an embodiment of a ladder device for a pilot boarding ship according to the present invention will be described with reference to FIGS. 1 and 4. In the present embodiment, the same parts as those of the conventional example shown in FIGS. 5 to 8 are designated by the same reference numerals to simplify the description.

As shown in FIG. 2, the ladder device 20 for the pilot boarding and alighting ship of this embodiment includes a port ladder 8 horizontally mounted on the deck 4 and swingable around an axis 21 and a front end of the port ladder 8. 8a, a pilot ladder 1 that is hung on the outer port 3, a ladder reel 22 that winds the pilot ladder 1, and a skater 23 that slides the pilot ladder 1 on its upper surface when the pilot ladder 1 is wound. It is common with the conventional ones in that it has and. However, the ladder device 20 of this embodiment differs from the conventional example in the structure of the skater 23. In the figure, symbol W indicates the water surface and symbol B indicates the boat.

The ladder device 20 of this embodiment is applied when a movable ladder reel 22 is used. Therefore, the ladder reel 22 is movably supported on the rail 10 arranged on the deck 4 along the port 3. The rail 10 is arranged over the range in which the horizontal position of the pilot ladder 1 is to be changed.

As shown in FIG. 3, the ladder reel 22 includes a pedestal 22a that is movably attached to the rail 10, and a rod 22b that is rotatably supported by the pedestal 22a and that winds the pilot ladder 1 around the pedestal 22a. , A motor 22c which is directly connected to one end of the rod 22b and rotates the rod 22b around its axis. Disc-shaped brim portions 22d are formed at both ends of the rod 22b, and the pilot ladder 1 to be wound is held so as not to come off from the rod 22b. The pedestal 22a is made of, for example, a steel material such as an angle material, and can be freely moved on the rail 10 by a roller 22e attached to the lower end thereof, and is held so as not to come off the rail 10. ing.

For example, as shown in FIG. 4, the skater 23 forms a sliding surface 23a having a width sufficiently wider than the width of the pilot ladder 1 by welding a round pipe material in a grid shape. ing. The skater 23 is formed with a curved portion 23b that bends the sliding surface 23a in one direction at one end in the longitudinal direction, and the other end is attached to the pedestal 22a of the ladder reel 22 via a hinge 23c. 23 itself can be vertically swung. As shown in FIG. 1, four legs 23d are attached to the back surface of the sliding surface 23a of the skater 23. A landing surface 23e on the flange is formed at the tip of the leg 23d, and a cushion 23f made of neoprene rubber or the like is arranged on the landing surface 23e.

The skater 23 configured as described above has the sliding surface 23 a directed upward and the one end having the curved portion 23 b on the deck 4 between the rail 10 and the port 3 as the port side. In the state in which the landing surfaces 23e of the four legs 23d are grounded on the deck 4 at the same time, the curved portions 23b are brought into close proximity to the gutter combing 24 between the deck 4 and the portside 3. It is supposed to be distributed. As a result, it is possible to prevent the pilot rudder 1 suspended from the port 3 from coming into contact with the gutter combing 24.

As shown in FIGS. 1 and 4, a fixing means 25 for holding the skater 23 in a stopped state is arranged on the deck 4. The fixing means 25 is, for example, an eye plate 25a arranged on the deck 4 in parallel with the rail 10, and one end is hooked on the eye plate 25a and the other end is hooked on the skater 23 to fasten the two. Rigging screw 25b. The eye plate 25a is formed with a plurality of hooking portions 25c. The rigging screw 25b is hooked on the hooking portion 25c and the skater 23, which are arranged in the vicinity of an arbitrary position where the skater 23 should be fixed. The skater 23 can be fixed to the arbitrary position by pulling the skater 23. A storage stopper 26 for fixing the skater 23 is arranged on the deck 4 at a position where the pilot ladder 1 and the like are stored.

In FIG. 4, reference numeral 27 is a retractable mounting table for placing the berth 8 in a retracted state. When the berth 8 is stored, like the conventional one. The pedestal 8 is held upright above the sliding surface 23a of the skater 23, and is pushed down when moving the skater 23 so that it can pass under the skater 23. Has become.

In order to use the ladder device 20 configured as described above at any position other than the storage position, first, the storage stopper 26 and the fixing means 25 are released. Next, the stowage 8 in the stowed state is removed from the mounting table 27 and projected to the outer port 3, and the mounting table 27 is tilted so that the skater 23 can move. Then, as shown in FIG. 1, a plurality of through holes are provided in the collar portion 22 d of the ladder reel 22, and a rope 28 is tied between the through holes and the skater 23. In this state, the motor 22c of the rudder reel 22 is slightly rotated in the direction in which the pilot ladder 1 is wound up, and the skater 23 is slightly floated from the deck 4 (a state shown by a chain line in FIG. 1). The ladder reel 22 is moved along the rail 10 to a desired position.

In this way, when the ladder reel 22 is arranged at the desired position, the motor 22c is rotated in the opposite direction to ground the leg 23d of the skater 23 on the deck 4 and, in this state, The rope 28 is removed, and the skeleton 23 is fixed by the fixing means 25. Then, the motor 22c is further rotated in the same direction so that the pilot ladder 1 hangs down on the port side 3. Here, since the skaters 23 are always arranged under the pilot ladder 1, the pilot ladder 1 is smoothly extended without getting caught in the gutter combing 24 between the deck 4 and the outside port 3. It will be. Then, by swinging the side ladder 8 and arranging it so that its tip position 8a is close to the midway position of the pilot ladder 1, the side ladder 8 and the pilot ladder 1 are combined, and the pilot embarks and disembarks. It becomes possible to do.

When the pilot ladder 1 is stored, the procedure is reverse to the above. In this case, the work of winding the pilot ladder 1 will be carried out smoothly as in the above case.

Therefore, according to the ladder device 20 of the present embodiment, even if it is necessary to change the horizontal position of the pilot ladder 1 by changing the amount of cargo, the ladder reel 22 and the skater 23 can be changed. Since it can be moved and fixed at an arbitrary position, there is an effect that the work of unwinding and winding the ladder reel 22 can be carried out smoothly. Further, when performing maintenance work such as cleaning and painting of the deck 4, it can be performed with the skater 23 moved along the rail 10.

Further, since the skater 23 is swingably attached to the pedestal 22a by the hinge 23c, it can be easily removed from the hinge 23c, and particularly, for a tanker or the like that cannot use fire unnecessarily. There is also an effect that it is possible to easily carry out the replacement work on a ship without cutting it by fire such as fusing.

The following techniques can be adopted for the pilot boarding and alighting ladder device 20 according to the present invention. Although it was decided to apply it to the movable ladder reel 22, it should be applied to the fixed ladder reel. At this time, a skater rail 10 may be laid between the fixed ladder reel and the outer port 3 so that only the skater can move. Although the fixing means 25 is composed of the eye plate 25a and the rigging screw 25b, any fixing means may be adopted instead.

[0031]

[Effect of device]

 As described above in detail, the ladder device for a pilot boarding / alighting ship according to the present invention includes a port ladder that is oscillated in a vertical plane close to the port, and a ladder that is stored on the deck and that is extended when the pilot embarks / unloads the ship. It is equipped with a pilot ladder that hangs down on the port near the tip of the pilot ladder, a ladder reel that winds the pilot ladder, and a skater that slides the pilot ladder on its upper surface.The skater moves horizontally along the port. Since it is supported by and fixed to an arbitrary position by the fixing means, the following effects are obtained. Since the skater can be placed and fixed at an arbitrary hanging position of the pilot ladder combined with the ladder, the pilot ladder can be smoothly unwound and taken up at an arbitrary position according to the loading state of the load. Since the skater is mobile, maintenance such as painting the deck can be performed by moving the skater, and maintainability can be improved.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a ladder device for a pilot embarkation ship according to the present invention.

2 is an overall view showing the ladder device of FIG. 1. FIG.

FIG. 3 is a front view showing a ladder reel of the ladder device shown in FIG.

FIG. 4 is a plan view showing the ladder device of FIG. 1.

FIG. 5 is an overall view showing a first conventional example of a ladder device for a pilot boarding / alighting ship.

6 is a plan view showing a skater of the ladder device shown in FIG. 5. FIG.

FIG. 7 is a side view showing a second conventional example of a ladder device for a pilot boarding / alighting ship.

8 is a plan view showing a skater of the ladder device shown in FIG. 7. FIG.

[Explanation of symbols]

 1 Pilot Ladder 3 Outboard 4 Deck 8 Port Ladder 20 Ladder Device (Ladder Device for Pilot Disembarkation Ship) 21 Shaft Center 22 Ladder Reel 23 Skater 24 Gutter Combing 25 Fixing Means 26 Storage Stopper 27 Mounting Platform 28 Rope

Claims (1)

[Scope of utility model registration request] 1. A port ladder arranged near the deck in a vertical plane close to the outer port and swinging around an axis, and a port ladder stored near the deck and unreeled when the pilot gets on and off the boat near the tip of the port. A pilot ladder that hangs on the port, a ladder reel that winds the pilot ladder and stores it on the deck, and a skater that is arranged on the deck between the reel and the port and slides the pilot ladder on its upper surface. In addition, the skater is supported so as to be movable in the horizontal direction along the outboard side, and a fixing means that can fix the skater at an arbitrary position on the movement path is provided. Ladder device for pilot boarding and alighting vessels.