JPH0731594U - Side-to-side sliding top and bottom side ramp doors for large car ferries - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an economical side-by-side vertical slide type outboard lamp door for a large-sized car ferry that significantly reduces the loading time of the vehicle and increases the effective mounting area of the vehicle deck. [Structure] In a large car ferry that has a two-tier deck and a transom type stern, a pair of lamp door openings 3 _L , 3 _R with a vertically long rectangular port formed symmetrically through the stern end And an inverted J-shaped guide groove 5 recessed substantially vertically in the lower halves of the left and right side surfaces of the lamp door openings 3 _L and 3 _R , and a vertical rectangle loosely fitted in the lamp door openings. an elongated rectangular lamp door 4 _L, 4 _R of the right and left projecting end of the horizontal support shaft of the proximal end is slidably fitted in the vertical direction along the guide grooves 5, 5 of each lamp door openings, respectively, projecting from the vicinity of the stern lower upper end derrick winch is wound equipped with a locked the lamp door open slings to the free end of each lamp door 4 _L, 4 _R.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a side-to-side sliding top and bottom side ramp door for a large car ferry.

[0002]

[Prior art]

 In a large car ferry that rocks the upper and lower two-tiered vehicle storage decks, in order to roll the vehicle on and off both decks, conventionally, in order to roll the vehicle in and out from the outboard ramp on the lower deck, use the inboard ramp (slope) to Vehicles are loaded on the upper deck, and after loading the upper deck, the lower deck is loaded. This is because the outer deck ramps are only on the lower deck, so the upper deck cannot be directly rolled on and off from the outside.

[0003]

[Problems to be solved by the device]

 However, a car ferry having such a two-tier vehicle deck is uneconomical because it takes a lot of time to load and unload vehicles.

The present invention has been proposed in view of such circumstances, and it significantly reduces the time required for loading and unloading, increases the effective mounting area of the vehicle deck, and eliminates the need for a ramp door on the bow side. The object is to provide an economical large-sized car ferry left / right side-by-side slide type outboard ramp door.

[0005]

[Means for Solving the Problems]

 For this reason, the present invention has a two-tiered deck including an upper deck and a lower deck, and in a large car ferry having a transom type stern, the rear end of the two-tiered deck is cut out at the stern end of the large car ferry. A pair of vertically-long rectangular port port and starboard lamp door openings that are formed in parallel and symmetrically, and recesses that extend in the vertical direction in the lower halves of the opposing left and right side surfaces of each of the lamp door openings. It has an inverted J-shaped guide groove whose upper end opens downward and curves in a small semicircular arc, and a vertical rectangle that fits loosely into the lamp door opening. Each of the left and right ends of the horizontal support shaft at the base end slightly protrudes. A pair of vertically elongated rectangular lamp doors on the starboard and starboard sides that vertically slide along the pair of guide grooves facing each other at the opening of the lamp door, and projecting near the stern of the car ferry. Winch upper end is wound on the lower end of the derrick is characterized in that comprises a locked the lamp door open slings to the free end of each Ranpudo A was.

[0006]

[Action]

 According to such a configuration, the following actions are performed. (1) By supporting the same lamp door by sliding it up and down along a pair of left and right guide grooves formed in the lamp door opening, it can be used for both upper deck lamps and lower deck lamps. Can be used. (2) By arranging the above-mentioned slide type ramp doors symmetrically side by side at the stern, it becomes possible to roll the vehicle on and off the upper deck and lower deck, respectively, by using the lamp doors as upper and lower ramps, respectively. . (3) When navigating, both lamp doors can be set upright and the lamp door openings on the stern can be closed in a watertight manner.

[0007]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall perspective view thereof, FIG. 2 is a front view showing a closed state of a lamp door at the stern end of the ferry of FIG. 1, and FIG. FIG. 4 is a side view of FIG. 3, and FIG. 5 is a vertical cross-sectional view showing the lamp opening of FIG. 1, in which the lamp door is used for the upper deck and the starboard lamp door is used for the lower deck. Is.

First, in FIGS. 1 to 3, a pair of left and right starboards formed by vertically notching the rear ends of an upper deck 1 and a lower deck 2 at the transom type stern end of a large car ferry, respectively. Vertical rectangular lamp door opening 3_L, 3_RAre installed side by side, and each lamp opening door 3 _L , 3_RThe rectangular port port doors 4 are sized to close the lamp openings on opposite sides of the_L, Starboard lamp door 4_REach of the base-end support shafts has its left and right protruding ends guided in the vertical direction, and the inverted J-shaped guide grooves 5 that support the upper-side support end and the lower-position support end respectively tilt slightly backward in the vertical direction. The guide groove 5 extends downward in a concave shape, and the upper ends of the guide grooves 5 are each bent forward in a small semicircle shape, the tips of which form the upper groove end 5-1, and the lower end of the guide groove 5 is the lower groove end. 5-2 is formed. The free ends of the lamp doors are supported by derricks (not shown) projectingly erected on the stern part so that they can be erected via wire ropes (not shown).

As described above, since the lamp door is guided and supported by the guide groove, in FIG. 5, the lamp door 4 _L shown by the chain line in the extended position is slightly lifted and moved slightly backward. After that, when the free end is lifted and lowered, the left and right projecting ends of the support shaft disengage from the upper groove end 5-1 and stop at the lower groove end 5-2 along the guide groove 5, so this is set at the stern end. It closed in a watertight manner the lamp door opening 3 _L at circumferentially provided by the packing by attracting. Further, it is possible to move the lamp door 4 _L of the closed position to the projecting position in the row Ukoto substantially the same manner in reverse order. Further, since the left and right protruding ends of the base end support shaft of the lamp door 3 _R are located at the lower groove end 5-2 of the guide groove, the lamp door opening 3 _R can be watertightly closed by directly pulling the free end with a wire rope. it can. Further, it is possible to move the lamp door 3 _R in the closed position to the extended position by performing the substantially same procedure in the reverse order.

Here, 6 has the same width as each of the lamp doors 4, front and rear and right and left rollers are projected on the lower surface, and the upper surface has the same unit length and the same slope. A plurality of roller-equipped lamps 6-1, 6-2, ... 6-4 that form a lamp are placed on the quay as shown by the broken line during roll-on and roll-off, and when not needed, a car ferry. Stored on the exposed deck.

In such a structure, when the vehicle rolls on and off, as shown in FIG. 4, the front end of the port lamp door 4 _L is at the same level as the rear end of the upper deck 1, and its rear end is at the quay. above, it is supported in tandem connected lamp columns on the front end of the low-La with a lamp 6 of the front end to the port lamp door 4 _L. The front end of the starboard lamp door 4 _R is at the same level as the rear end of the lower deck 2, and the rear end is directly supported on the upper surface of the quay. At that time, both ends of the spindle at the front ends of the lamp doors 4 _L and 4 _R are supported by abutting against the upper groove end 5-1 and the lower groove end 5-2 of the guide groove 5, respectively, as shown in FIG.

[0012]

[Effect of device]

 With such a structure, the following effects can be obtained. (1) Not only passenger cars but also heavy vehicles such as trucks and trailers can be rolled on and off directly to the upper and lower decks. (2) Two onboard ramps (oblique roads) are no longer required, increasing the vehicle mounting area. (3) If a pair of lamp doors with the same structure as the stern end is installed on the bow side, the vehicle can be rolled off in roll-on order. (4) If the vehicle is to be turned inside the ship, two bow lamp doors are not required, and roll-off can be performed in order of roll-on of the vehicle by loading and unloading and changing the left and right usage. (5) The lamp door of the structure of the present invention can be installed on the ship side.

In short, according to the present invention, a large car ferry having a two-tiered deck including an upper deck and a lower deck, and a transom-type stern is formed by cutting the rear end of the two-tiered deck at the stern end. A pair of vertically-long rectangular port port and starboard lamp door openings that are cut out in parallel and symmetrically with each other and the lower half of the left and right side surfaces of the lamp door openings, which face each other, are substantially vertically oriented. It has an inverted J-shaped guide groove that extends downwardly and has an upper end that opens downward and bends in a small semi-circular shape, and a vertical rectangle that loosely fits into the lamp door opening. The horizontal spindle at the base end slightly projects. A pair of vertically long rectangular lamp doors on the port side and starboard side that are slidably fitted in the vertical direction along the pair of guide grooves facing each other at the respective lamp door openings at the left and right ends, and the car ferry. The derrick winch projecting near the stern was equipped with a lamp door opening / closing hang rope whose upper end was wound and whose lower end was locked to the free end of each of the above-mentioned lamp doors, thereby significantly shortening the loading and unloading time of the vehicle. The present invention is extremely useful industrially because it increases the effective mounting area of the vehicle deck and provides an economical large-scale car ferry left-right side-by-side vertical slide type outboard lamp door that does not require a lamp door on the bow side.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a front view showing the stern of the ferry of FIG. 1 in a lamp closed state.

FIG. 3 is a front view showing a state where the port lamp is being used for the upper deck and the starboard lamp is being used for the lower deck in FIG.

FIG. 4 is a side view of FIG.

5 is a vertical cross-sectional view showing the lamp opening of FIG.

[Explanation of symbols]

1 Upper deck 2 Lower deck 3 _L Port side lamp door opening 3 _R Starboard side lamp door opening 4 _L Port side lamp door 4 _R Star side lamp door 5 Guide groove 5-1 Guide groove upper groove edge 5-2 Guide groove lower groove edge 6, 6-1, 6-2 ,… Lamp with roller

Claims (1)

[Scope of utility model registration request] 1. A large-sized car ferry having a two-tiered deck including an upper deck and a lower deck, and a transom-type stern, in which the rear ends of the two-tiered decks are cut out to be parallel to each other. In addition, a pair of vertically long rectangular port port and starboard lamp door openings formed symmetrically and the lower half portions of the left and right side surfaces facing each other of the lamp door openings each extending substantially vertically and having a concave upper end. Inverted J-shaped guide groove that bends downward to a small semi-circular arc and a vertical rectangle that loosely fits into the lamp door opening, and the slightly protruding left and right ends of the horizontal spindle at the base end face each lamp door opening. A pair of vertically elongated rectangular lamp doors on the port side and starboard side that are slidably fitted in the vertical direction along the pair of guide grooves, and a derrick projecting near the stern of the car ferry. A left and right side-by-side vertical slide type outboard lamp door of a large-sized car ferry, comprising: a winch;