Step elimination structure for partition openings in a car carrier

Abstract

Provided is a step elimination structure that can eliminate the step at the bulkhead opening in a car carrier with less labor. 【Solution means】In a car carrier that divides the cargo hold for storing cars with a plurality of bulkheads and opens and closes the openings of each bulkhead by sliding a watertight door 50, a step space sr for sliding the lower end of the watertight door 50 is formed on the floor of the cargo hold, and a step elimination cover 10 is installed near the step space sr. The step elimination cover 10 can selectively take a use position that fills the step space sr and a storage position taken out from the step space sr by a support device 11 composed of an installation base 12 fixed to the floor, a support pin 13 provided thereon, and a connecting plate 14 connecting the support pin 13 and the step elimination cover 10. For this reason, it is not necessary to go to or return from a distant place to pick up the step elimination cover 10 every time it is used or stored. Therefore, manual labor can be significantly reduced.

Description

Technical Field

[0001] The present invention relates to a step elimination structure for a bulkhead opening in an automobile carrier ship.

Background Art

[0002] In an automobile carrier ship, in order to cope with fires and flooding during navigation, the ship's hold is partitioned by several bulkheads, and the openings in each bulkhead are closed with watertight doors so that damage can be confined. In the prior art of Patent Document 1, the following known basic structure is used for the structure for opening and closing the watertight door. The watertight door itself is slidable by an air cylinder or the like, and is guided by an upper rail provided at the upper part of the bulkhead opening and a lower rail provided at the lower part to open or close the opening.

[0003] However, since automobiles drive in and out of the hold of an automobile carrier ship, they pass through the openings in each bulkhead at that time. When passing through, the tires of the automobile climb over the lower rail, so each time it passes, it impacts the lower rail and a large collision sound is also generated. And it also gives a shock to the automobile itself. To avoid this, the self-driving speed of the automobile can be reduced, but then the loading and unloading time of the automobile will become longer. Since an automobile carrier ship loads hundreds of automobiles, the impact is significant and may even delay the departure schedule of the automobile carrier ship.

[0004] Therefore, on-site, a portable step elimination cover has been installed each time to eliminate the unevenness near the lower rail. This step elimination cover is a steel plate formed in a U-shaped cross-section. It is installed adjacent to the lower rail when the watertight door is opened, and stored in a storage location near the ship's interior when the watertight door is closed. Since this installation and storage work has been carried out manually each time a large number of bulkheads are opened and closed, it has been extremely complicated and labor-intensive.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] In view of the above circumstances, an object of the present invention is to provide a step elimination structure that can eliminate the step at the partition opening in an automobile carrier with less labor.

Means for Solving the Problems

[0007] The step elimination structure at the partition opening in the automobile carrier of the first invention is an automobile carrier in which a cargo hold for storing automobiles is partitioned by a plurality of partitions, and the opening of each partition is opened and closed by sliding a watertight door. A step space for sliding the lower end of the watertight door is formed on the floor surface of the cargo hold. It is provided with a step elimination cover for filling the step space, Near the step space, a support device including an installation base fixed to the floor surface, a support pin provided on the installation base, and a connecting plate for connecting the step elimination cover to the support pin is installed. The step elimination cover is rotatably attached in a vertical plane by the support device, and the A step elimination cover that can selectively take the use position for filling the step space and the storage position taken out from the step space and is characterized in that it can be selected. 。 second The step elimination structure at the partition opening in the automobile carrier of the invention is, in the first invention, on both sides of the opening of the partition, from the floor surface in the cargo hold use position A guide plate configured by using an inclined plate reaching the top surface of the step elimination cover at is installed.

Effects of the Invention

[0008] According to the first invention, Since the step elimination cover can be rotated in a vertical plane by the support device, it can be easily brought by hand to both the use position and the storage position, making handling very easy. Therefore, There is no need to go to a distant place to pick up and return the step elimination cover every time it is used and stored. Therefore, manual labor can be significantly reduced. 。 secondAccording to the invention, since guide plates formed of inclined plates are arranged before and after the step elimination cover at the use position, the tires of the automobile do not give any impact when getting over the step elimination cover. Therefore, the loading and unloading time by the self-running of the automobile can be shortened.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

Figure 3

Figure 4

Mode for Carrying Out the Invention

[0010] Next, embodiments of the present invention will be described based on the drawings. In the automobile carrier according to this embodiment, multiple tiers of cargo holds for storing a large number of automobiles are provided, and each tier of cargo hold is partitioned by a plurality of bulkheads. Further, each bulkhead is provided with an opening through which the automobile can enter and exit by self-running. Moreover, this opening can be opened and closed by the watertight door 50 shown in FIG. 1, so that damage during a fire or flooding can be confined.

[0011] In FIG. 1, the watertight door 50 for opening and closing the opening in the bulkhead as described above is shown by a two-dot chain line. The watertight door 50 itself is a known one and is configured to slide by a drive mechanism using an air cylinder or the like. And the watertight door 50 is suspended by an upper rail (not shown) and runs on the lower rail 1 installed on the floor surface 3 of the cargo hold. The wheels 51 for running on the lower rail 1 are attached to the main body portion of the watertight door 50 via the support arm 52.

[0012] On the floor surface 3 of the ship's hold, a clamping member 2 is arranged on the facing side (the right side in FIG. 1) of the lower rail 1 with the watertight door 50 in between. This clamping member 2 is for compressing and adhering an elastic material such as rubber attached around the watertight door 50. After the watertight door 50 is slid to close the opening of the partition wall and pressed against the clamping member 2, it can be closed so that water does not penetrate from the opening.

[0013] Since the above-described lower rail 1 and clamping member 2 have a space in the horizontal direction (the left - right direction in FIG. 1) for the watertight door 50 to travel on the floor surface 3 of the ship's hold, there is a space caused by a step between the lower rail 1 and the clamping member 2. In this specification, this space is called a step space sr.

[0014] The present invention is characterized in that a member for filling the step space sr is provided, and this member is the step - eliminating cover 10. The step - eliminating cover 10 shown in FIG. 2 is a steel plate with a U - shaped cross - section and has a length L that allows one tire of an automobile to pass through with a margin. The width W is slightly narrower than the width of the step space sr, and the height H may be approximately the same as the heights of the lower rail 1 and the clamping member 2.

[0015] The step - eliminating cover 10 is attached to a support device 11 that supports it rotatably. This support device 11 consists of an installation base 12, a support pin 13 attached to the top surface of this installation base 12, and a connecting plate 14 coupled to the support pin 13 and the top surface of the step - eliminating cover 10. The illustrated installation base 12 has a thick - plate top plate for attaching the support pin 13 and a structure with feet at both ends, but it is not limited to this. Any structure can be adopted as long as the support pin 13 can be rotatably attached.

[0016] Both ends of the support pin 13 are fixed to the top plate of the installation base 12 with appropriate pin - receiving members. Since the pin - receiving members support the support pin 13 rotatably, the support pin 13 is rotatable about a horizontal axis. The proximal end of the connecting plate 14 is fixed to the support pin 13 by welding or the like, and the distal end is fixed to the top plate of the step elimination cover 10 by welding or the like.

[0017] Two support devices 11 are provided for one step elimination cover 10. As shown in Fig. 2, the connecting plate 14 of one support device 11 is fixed to one end side of the top plate of the step elimination cover 10, and the connecting plate 14 of the other support device 11 is fixed to the other end side of the same top plate. When the worker holds and lifts the step elimination cover 10 by hand, the support pin 13 rotates and it stands up in the vertical plane, and when it is held and lowered by hand, it lies down.

[0018] Fig. 3 shows the planar arrangement of a pair of left and right step elimination covers 10 installed in the step space sr. The distance between both ends of the pair of left and right step elimination covers 10, 10 is set to a distance that allows the left and right tires of all types of automobiles stored in the ship's hold to ride in.

[0019] As shown in Figs. 3 and 4, a first wheel guide plate 20 is installed at a position adjacent to the lower rail 1 (left side in the figure), and a second wheel guide plate 30 is installed at a position adjacent to the fastening member 2 (right side in the figure). Both the first and second wheel guide plates 20, 30 are composed of an inclined plate portion 21, 31 that becomes an inclined surface in the installed state and a foot portion 22, 32 that supports the inclined plate portion 21, 31 in an inclined state. The inclined plate portions 21, 31 and the foot portions 22, 32 may be formed by bending the same steel plate as shown in the figure, or may be fixed by welding or the like with separate members.

[0020] The outer end dimension between the first and second wheel guide plates 20, 30 may be any dimension that matches the outer end dimension between the pair of two step elimination covers 10, 10 described above. In other words, it may be a length that allows the left and right tires of all types of automobiles stored in the ship's hold to ride in.

[0021] As shown in Fig. 4, the installation base 12 of the support device 11 is inserted between the attachment member of the fastening member 2 and the leg portion 32 of the second wheel guide plate 30. Although the support device 11 can be fixed to some extent only by this insertion, the installation base 12 may be further fixed to the floor surface 3 of the ship's hold by welding.

[0022] Fig. 4 shows the installation state of the step elimination cover 10. The height of the step elimination cover 10 is substantially the same as the height of the lower rail 1 and the fastening member 2. Also, the width (interval) of the step space sr between the lower rail 1 and the fastening member 2 is substantially filled by the step elimination cover 10.

[0023] Therefore, when the automobile passes through the opening of the partition by self-propulsion, it can climb the first wheel guide plate 20, pass through the top surface of the step elimination cover 10, and further pass through the second wheel guide plate 30. When passing in the reverse direction, it will climb from the second wheel guide plate 30, pass through the top surface of the step elimination cover 10, and pass through the first wheel guide plate 20. When passing through the opening as described above, even if the tire T contacts the lower rail 1 or the fastening member 2, no large impact will occur. Therefore, the loading and unloading time by the self-propulsion of the automobile can be shortened.

[0024] In the present embodiment, it is preferable to place a buffer mat on the upper surface of the floor surface 3 where the step elimination cover 10 is installed. By doing so, it is possible to prevent the generation of shock sounds when the step elimination cover 10 is laid down for installation, and also to prevent the generation of rattling sounds when the tire T of the automobile climbs over. Examples of the material of the buffer mat include rubber, etc., but it is not limited thereto.

[0025] As shown in Fig. 1, when opening and closing the watertight door 50, the step elimination cover 10 is erected and laid down until it contacts the inclined plate portion 31 of the second wheel guide plate 30. In this way, the step space sr is opened, so it does not interfere with the sliding operation of the watertight door 50.

[0026] According to the step elimination structure of the partition opening in this embodiment, by simply raising and lowering the step elimination cover 10, it can be brought to both the use position and the storage position, making handling extremely easy. Therefore, there is no need to go to a distant place to pick up or return the step elimination cover 10 every time it is used or stored. For this reason, manual labor can be significantly reduced.

Explanation of Reference Numerals

[0027] 1 Lower rail 2 Fastening member 10 Step elimination cover 11 Support device 12 Installation base 13 Support pin 14 Connecting plate 20 First wheel guide plate 30 Second wheel guide plate 50 Watertight door

Claims

1. In a car carrier in which the holds for storing cars are divided by multiple bulkheads and the openings of each bulkhead are opened and closed by sliding watertight doors, A step space for sliding the lower end of the watertight door is formed on the floor of the hold, A step-eliminating cover for filling the step space is provided, a support device is installed near the step space, the support device comprising an installation base fixed to the floor surface, a support pin provided on the installation base, and a connecting plate connecting the step-eliminating cover to the support pin; The step-eliminating cover is attached by the support device so as to be rotatable in a vertical plane, and can selectively take a use position in which the step-eliminating cover fills the step space and a storage position in which the step-eliminating cover is removed from the step space. A structure for eliminating a step at a bulkhead opening in a car carrier.

2. On both sides of the opening in the bulkhead, guide plates are installed that are made of inclined plates that extend from the floor of the hold to the top surface of the step-eliminating cover in the use position.

2. A structure for eliminating a step at a bulkhead opening in a car carrier according to claim 1.

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