JP2005145310A - Liftable deck support and vessel equipped with it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liftable deck support changing the height of a liftable deck at small intervals. <P>SOLUTION: The liftable deck support 10 is to support the liftable deck L installed between an upper and a lower decks fixed to the hull structure 16 inside a vessel hold, and is equipped with a column body 15 in a columnar shape, a plurality of projections 11-14 provided on the outer surface of the column body 15, having different height, and protruding in different directions within a horizontal plane, and a first supporting table 17 and a second supporting table 18 to support the upper part and the lower part of the column body 15, rotatably with respect to the hull structure 16. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

The present invention relates to a car carrier such as a PCTC (pure car and truck).
The present invention relates to a liftable deck support that supports a liftable deck mounted on an automobile in a carrier) ship, a PCC (pure car carrier) ship, or a RORO (roll-on roll-off) ship.

As a conventional liftable deck support, the height of the liftable deck can be increased by inserting the support (pin) provided in the liftable deck into the recess (recess) provided in the height direction of the hull structure. There is a so-called “Kanuki type” to be changed (see Patent Document 1).
Japanese Patent Laid-Open No. 10-181680 (FIGS. 3 and 7)

There is also a so-called swing-out type that changes the height of the liftable deck by swinging the support from the hull structure to the bottom side of the liftable deck and placing the liftable deck on these supports. Yes (see, for example, Patent Document 2).
Japanese Patent Laid-Open No. 2001-180577

However, as shown in FIG. 5, according to the weight type of the liftable deck 101, the support 102 provided on the liftable deck 101 side and the support receiver 104 provided on the hull structure 103 side according to the weight of the liftable deck 101. Since the dimensions, i.e., the height d of the support 102 and the height D of the support receiver 104 are determined, the vertical interval H of the support receiver 104 is limited (in general, H cannot be reduced to less than 500 mm). There was a problem that the height could not be adjusted every minute.
In addition, in such a swirl type, the liftable deck 101 may bend and the support 102 may not enter the recess 105, so that a worker who visually observes the work status is required during work, which increases labor costs. There is also a problem.

As shown in FIG. 6, in the swing-out type, an extra space S for storing the support 201 is required by Δ (about 150 mm) in the height direction of the hull, and the liftable deck 202 and the support 201 are installed. In order to support, a relatively large support sheet 203 must be provided, the vertical distance H1 of the support 201 is restricted (H cannot be shortened below a certain distance), and height adjustment is performed in small steps. There was a problem that could not be.
In addition, as shown in FIG. 6, when the liftable deck 202 is placed on the support 201 at the highest position or when the liftable deck 202 placed on the support 201 at the highest position is to be lowered. Requires a space for the liftable deck 202 to escape. That is, a distance R larger than the above-described height Δ is required between the hull structure ceiling surface 204 and the upper surface 202a of the liftable deck 202, resulting in an increase in the height of the entire hull structure. There was a point.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a liftable deck support capable of changing the height of the liftable deck in small increments.

The present invention employs the following means in order to solve the above problems.
The liftable deck support according to claim 1 is a liftable deck support that supports a liftable deck provided between upper and lower decks fixed to a hull structure in a hold, and includes a columnar column main body and the column A plurality of protrusions provided on an outer surface of the main body, protruding at different heights and in different directions within a horizontal plane, and an upper portion and a lower portion of the column main body, each rotatably supporting the hull structure; It comprises 1 support stand and 2nd support stand.
According to such a liftable deck support, by rotating the column main body around the longitudinal axis, the protrusions having different heights sequentially protrude toward the liftable deck.

The liftable deck support according to claim 2, wherein a cross-sectional shape of the column main body is formed in a polygonal shape, and a lower end surface of the column main body is received on an upper surface of the second support base. An anti-rotation hole is provided to prevent the rotation.
According to such a liftable deck support, the lower end surface of the column main body is fitted into the rotation prevention hole, and the rotation of the entire column main body is prevented.

The liftable deck support according to claim 3 is provided with an operation rod having a flange at a lower end portion thereof downward from a lower end surface of the column main body, and a third support for rotatably receiving the operation rod. When the table is provided and the load of the liftable deck is not applied to the protrusion between the lower surface of the flange and the upper surface of the third support table, the column main body is biased upward. An elastic member is provided.
According to such a liftable deck support, when the weight of the liftable deck is not applied to the protrusion, the column main body is lifted upward by the elastic member, and the lower end surface of the column main body is automatically detached from the rotation prevention hole. It is supposed to be.

The liftable deck support according to claim 4 is characterized in that markings of different colors are provided on the surfaces of the plurality of protrusions.
According to such a liftable deck support, the operator can recognize the height of the protrusion by the color.

A ship according to claim 5 is provided with the liftable deck support according to any one of claims 1 to 4 in a hold.
According to such a ship, the liftable deck support capable of changing the height of the liftable deck in small increments is provided in the hold.

According to the present invention, since the protrusions can be provided at appropriate positions on different surfaces of the support body, the vertical distance between the protrusions can be freely set without restriction, and the height of the liftable deck can be set. Can be changed in small increments.
In addition, since the ascending distance of the protrusion when the height of the liftable deck is changed is minimized, a space for releasing the liftable deck at the top, that is, the hull structure ceiling surface and the liftable deck The distance between the upper surface of the deck can be minimized, and the height of the entire hull structure can be reduced.
Furthermore, since the elastic member is provided between the lower surface of the flange and the upper surface of the third support base, the column main body can be lifted when the weight of the liftable deck is not applied to the protrusion. As a result, the column main body can be easily rotated, the working efficiency can be improved, and the working time can be shortened.
Furthermore, since each protrusion is marked with a different color, the operator can identify the height of the protrusion by color, improving work efficiency and reducing work time. Can be planned.

Hereinafter, an embodiment of a liftable deck support according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the liftable deck support 10 according to the present embodiment includes a column main body 15 provided with a plurality of (four in the present embodiment) protrusions 11 to 14 that support the liftable deck L, and Supporting bases 17 to 19 that rotatably attach the column main body 15 to the wall surface 16a of the hull structure 16 are configured as main elements.

As shown in FIG. 2 (II-II arrow cross-sectional view of FIG. 1), the column main body 15 is a quadrangular prism member having a square cross section. A first protrusion 11 is formed on the first surface 15a of the column main body 15, a second protrusion 12 is formed on the second surface 15b, a third protrusion 13 is formed on the third surface 15c, and a fourth protrusion is formed. The fourth protrusions 14 are provided at different heights on the surface 15d. These protrusions 11 to 14 are arranged in the order of the first protrusion 11, the second protrusion 12, the third protrusion 13, and the fourth protrusion 14 from the upper side to the lower side, and the upper surface of the first protrusion 11 and the second protrusion 11. The difference between the upper surface of the protrusion 12 is Ha, the difference between the upper surface of the second protrusion 12 and the upper surface of the third protrusion 13 is Hb, and the difference between the upper surface of the third protrusion 13 and the upper surface of the fourth protrusion 14 is It arrange | positions so that it may become Hc. These Ha, hb, and Hc are appropriately set according to the height of the vehicle that is scheduled to be loaded.
Each of the first protrusion 11 to the fourth protrusion 14 has a flat surface for placing the liftable deck L on its upper surface, and a trapezoidal shape formed in a taper shape from the column main body 15 side to the tip end side. It is a plate-shaped member.
In addition, the surface of each of the protrusions 11 to 14 is marked with a paint of a different color, and the height of the protrusion protrudes from the liftable deck L just by the operator looking at the color of the protrusion. It is possible to recognize whether it is.

A columnar protrusion 19 is erected upward on the upper surface of the column body 15, and a through hole 18 a of a second support table 18 and a third support table which will be described later are formed on the lower surface of the column body 15. A cylindrical operation rod 20 extending downward through 19 through holes 19a is extended.
The protrusion 19 is received in a through hole 17a of the first support base 17 described later.
A flange 20 a is provided at the lower portion of the operation rod 20, and a handle 22 is provided via a pin 21 at the lower end portion of the operation rod 20 located below the flange 20 a.
A spring (elastic member) 23 is provided between the lower surface of the flange 20 a and the upper surface of the third support 19. The spring 23 applies an upward biasing force to the support body 15 via the flange 20a and the operation rod 20.

A through hole 17 a for receiving the protrusion 19 is provided at the tip of the first support base 17. The inner diameter of the through hole 17a is the same as the outer diameter of the protrusion 19 or larger than the outer diameter of the protrusion 19, so that the protrusion 19 can freely rotate in the through hole 17a. Further, the root portion of the first support base 17 is fixed to the wall surface 16a of the hull structure 16 by welding or the like.
A through hole 18 a through which the operation rod 20 passes is provided at the distal end portion of the second support base 18. The inner diameter of the through hole 18a is the same as the outer diameter of the operation rod 20 or larger than the outer diameter of the operation rod 20, so that the operation rod 20 can freely rotate in the through hole 18a. ing. In addition, a recess (rotation prevention hole) 18b having a planar view shape that is the same as or slightly larger than the cross-sectional view shape of the column main body 15 is provided on the upper surface of the second support base 18 with a depth S1. When the table deck L is placed on the desired projections 11 to 14, the lower end portion of the column main body 15 is fitted into the recess 18b against the biasing force of the spring 23 described above.
A gap S2 is formed between the lower surface of the first support base 17 and the upper surface of the support body 15 in a state where the lower end portion of the support body 15 is fitted in the recess 18b. The gap S2 is formed in the recess 18b. Is set to be greater than the depth S1.

A reinforcing member 24 is provided on the lower surface of the second support base 18, and the total weight such as the weight of the liftable deck L, the vehicle mounted on the liftable deck L, the weight of the column main body 15, and the like. The support table 18 is supported together. The joint between the support base 18 and the reinforcing member 24 is joined by welding, and the root portion of the support base 18 and the root portion of the reinforcing member 24 are fixed to the wall surface 16a of the hull structure 16 by welding or the like. .
A through hole 19 a through which the operation rod 20 passes is provided at the tip of the third support base 19. The inner diameter of the through hole 19a is the same as the outer diameter of the operation rod 20 or larger than the outer diameter of the operation rod 20, so that the operation rod 20 can freely rotate in the through hole 19a. ing. Further, the base portion of the support base 19 is fixed to the wall surface 16a of the hull structure 16 by welding or the like.
In FIG. 1, reference numerals 25, 26, and 27 denote decorative panels (hull structure) for preventing the liftable deck support 10 from being exposed in the hold, and the first protrusion 11 to the fourth protrusion 14. Is an opening for projecting to the side of the liftable deck L, and an opening for an operator to operate the handle 22.

FIG. 3 is a view of an automobile carrier 50 equipped with a liftable deck support 10 according to the present invention in a hold, and is a longitudinal sectional view obtained by cutting the center part of the hull with a plane orthogonal to the bow tail line.
In addition, the code | symbol F in a figure has shown the fixed deck fixed to the hull structure. Further, in order to simplify the drawing, fine members such as the decorative plate 25 described above are omitted.
4 is a cross-sectional view taken along the line IV-IV in FIG. As shown in FIG. 4, in the present embodiment, the liftable deck supports 10 are respectively arranged at the four corners of each liftable deck L.

Next, how to adjust the height of the liftable deck L will be described by taking an example in which the liftable deck L placed on the upper surface of the first protrusion 11 is moved to the upper surface of the fourth protrusion 14.
First, a lift car (not shown) is arranged under the liftable deck L whose height is to be adjusted, and the liftable deck L is moved at least a distance S1 upward using a jacking unit provided in the lift car. Move. As a result, the spring 23 extends between the flange 20a and the support 19 and pushes the flange 20a upward, so that the lower end of the support body 15 is detached from the recess 18b. In this state, the operator puts his hands through the openings 27 provided at the four corners of the liftable deck L, holds the handle 22, and then rotates the handle 22 clockwise or counterclockwise by 180 degrees. The support main body 15 is rotated in the same manner so that the fourth protrusion 14 protrudes below the liftable deck L. When all the protrusions of the liftable deck support 10 located at the four corners of the liftable deck L are set to the fourth protrusions 14, the liftable deck L is gradually lowered using the jacking unit, and the liftable deck support 10 is lifted. The deck L is placed on the upper surface of the fourth protrusion 14. After confirming that the lower end portion of the support main body 15 of each liftable deck support 10 is stored in the recess 18b, the jacking unit is lowered to the storage position, and the lift car is dispatched to the next place or stored in the predetermined place. To do.

According to the liftable deck support 10 described above, since the protrusions 11 to 14 can be provided at desired positions on different surfaces 15a to 15d of the support body 15, the vertical intervals Ha, Hb, Hc can be freely set without being restricted, and the height of the liftable deck L can be changed in small increments.
In addition, since an anti-rotation hole 18b for receiving the lower end surface of the support body 15 and preventing the support body 15 from rotating is provided on the upper surface of the second support base 18, inadvertent rotation of the support body 15 is prevented. It is possible to prevent the liftable deck L from falling off from the protrusions 11 to 14.
Furthermore, since the rising distance of the protrusions 11 to 14 when changing the height of the liftable deck L is suppressed to S2, a space for releasing the liftable deck L at the uppermost stage, that is, the hull structure ceiling The distance between the surface and the upper surface of the liftable deck L can be minimized, and the height of the entire hull structure can be reduced.
Furthermore, since the spring 23 is provided between the lower surface of the flange 20a and the upper surface of the third support base 19, when the weight of the liftable deck L is not applied to the protrusions 11-14, The column main body 15 is lifted until the upper surface of the column main body 15 and the lower surface of the first support base 17 come into contact with each other by the urging force of the spring 23, and the operator simply turns the handle 22 to rotate the column main body 15. It can be rotated, so that the working efficiency can be improved and the working time can be shortened.
Furthermore, since each of the protrusions 11 to 14 is marked with a different color, the operator can identify the height of the protrusions 11 to 14 by the color, and work efficiency can be improved. The working time can be shortened.

On the other hand, in a ship equipped with a liftable deck support that can change the height of the liftable deck L in small increments, the dead space can be reduced and the vehicle can be efficiently loaded, thereby improving the transportation amount. In addition, the transportation cost can be reduced.
Moreover, since the space for escaping the liftable deck L in the uppermost stage can be minimized, the height of the entire hull structure can be reduced, and the wind pressure resistance of the hull can be reduced.
Furthermore, since the spring 23 is provided between the lower surface of the flange 20a and the upper surface of the third support base 19, and each of the projections 11 to 14 is marked with a different color, Since it can be easily rotated and the height of the protrusion can be recognized instantly, work efficiency can be improved, work time can be reduced, and cargo handling time can be reduced. be able to.

  In the present embodiment, the description has been given of the case where the protrusion is replaced by the operator operating the handle. However, the present invention is not limited to this, and the rotation is performed using mechanical power such as an electric motor. It can also be made. At this time, each of the liftable deck supports 10 can be operated individually, or all of the liftable deck supports 10 arranged at the four corners can be operated simultaneously.

It is a side view which shows one Embodiment of the liftable deck support by this invention. It is II-II arrow sectional drawing of FIG. It is the figure of the motor vehicle carrier which equipped the liftable deck support by this invention in the hold, Comprising: It is the longitudinal cross-sectional view which cut the hull center part by the surface orthogonal to a bow tail line. 4 is a cross-sectional view taken along the line IV-IV in FIG. It is a figure which shows the liftable deck support called the conventional canopy type, Comprising: (a) is a front view, (b) shows a side view. It is a side view which shows the liftable deck support called the conventional swing-out type.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Liftable deck support 11 1st protrusion 12 2nd protrusion 13 3rd protrusion 14 4th protrusion 15 Prop body 16 Hull structure 17 1st support stand 18 2nd support stand 18b Anti-rotation hole 19 3rd Support base 20 Operation rod 20a Flange 23 Spring (elastic member)
50 Ship F Deck L Liftable Deck

Claims (5)

A liftable deck support that supports a liftable deck provided between upper and lower decks fixed to the hull structure in the hold,
A columnar column main body, a plurality of protrusions provided on the outer surface of the column main body, protruding at different heights and in different directions in a horizontal plane, and upper and lower portions of the column main body with respect to the hull structure A liftable deck support comprising a first support base and a second support base that are rotatably supported.   The column main body has a polygonal cross-sectional shape, and an upper surface of the second support base is provided with an anti-rotation hole for receiving the lower end surface of the column main body and preventing the column main body from rotating. The liftable deck support according to claim 1, wherein the liftable deck support is provided.   An operating rod having a flange at the lower end portion is provided downward from the lower end surface of the column main body, and a third support base is provided for rotatably receiving the operating rod, and the lower surface of the flange And an elastic member that urges the column main body upward when the load of the liftable deck is not applied to the protrusion. The liftable deck support according to claim 2.   The liftable deck support according to any one of claims 1 to 3, wherein markings of different colors are provided on the surfaces of the plurality of protrusions.   A ship comprising the liftable deck support according to any one of claims 1 to 4 in a hold.

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