JPH0872786A - Container guide apparatus in transporting container carrier - Google Patents

Abstract

PURPOSE: To guide easily accurately a transportion container to a predetermined position in a hold in a transporting container guide apparatus in carrying the transporting container into the hold of a carrier by using four guide pulleys and four winch devices to guide a support frame of the transporting container. CONSTITUTION: When transporting containers 6 are mounted in a hold 2, first, the tip of a cable 15 drawn out through a guide pulley 12 from four winch devices 13 provided on a hatch coaming 4 is connected to brackets 9 provided on four corners of a support frame 8. Next, the container 6 is hung up through the support frame 8 by a crane 5 to be shifted above a hatch 3. For example, every two sets of winch devices 13 are operated to shift the support frame 8 above a locating member 16 provided on the bottom surface of the hold 2, and then the winch devices 13 are operated to draw out the respective cables 15, lower the support frame 8, lower the container 6 into the hold 2 and finally mount the container on a position to which the container is guided by the locating member 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container guide device in a container carrier for transportation.

[0002]

2. Description of the Related Art When a container for transporting spent nuclear fuel (also referred to as a cask, hereinafter simply referred to as a transport container) is carried by a transport ship, it is necessary to mount the transport container in a hold.

Generally, the weight of this shipping container is very heavy (for example, about 100 tons), and when this shipping container is loaded in the hold, the four corners of its support frame are hung by cranes. While slowly descending from Kuraguchi, guide lines were attached to the four corners of the support frame, and the guide lines were pulled by 3 to 4 workers, and the transport container was lowered to a predetermined place. .

[0004]

As described above, the work of lowering a transport container, which is a heavy object, to a predetermined position in the hold while a large number of workers pull it through the guide ropes is very laborious. There is a problem that it takes time and takes time.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a container guide device for a shipping container carrier capable of solving the above problems.

[0006]

In order to solve the above-mentioned problems, the first means of the present invention is to carry in a transportation container having a container body mounted and fixed on a support stand into a hold of a transportation ship. A container guide device having a plurality of winch devices, one end of which is connected to the front, rear, left, and right positions of the support frame to wind up each rope, and the winches attached to predetermined positions inside the hold opening. It is a container guide device in a container carrier for transportation constituted by a plurality of guide sheaves for guiding the rope body from the device.

In order to solve the above-mentioned problems, the second means of the present invention is a container guide device for carrying a transportation container, in which the container body is mounted and fixed on a support frame, into the hold of a transportation ship. A plurality of winch devices, one end of which is connected to each of the front, rear, left, and right positions of the support frame to wind up the respective ropes, and the ropes from the winch devices provided at predetermined positions inside the hold Is a container guide device for a container carrier for transportation, which is composed of a first guide pulley for guiding the middle of each and a second guide pulley provided at a predetermined position on the bottom of the hold for guiding the middle of each rope. .

In order to solve the above problems, a third means of the present invention is a container guide device for carrying a transportation container, in which the container body is mounted and fixed on a support frame, into the hold of a transportation ship. And a plurality of winch devices, one end of which is connected to the front, rear, left, and right positions of the support frame, for winding the ropes, and a plurality of winch devices are arranged at four positions around the ascending / descending path of the transportation container. And a guide pulley for guiding the midway of each of the ropes, and each guide pulley has a two-part structure cut by a plane including the center of the guide groove. It is a container guide device in a container carrier for transportation constituted by a separating device which separates and unifies a half-split block divided into two.

Further, in order to solve the above-mentioned problems, a fourth means of the present invention is a container guide device for carrying a transportation container, in which a container body is mounted and fixed on a support frame, into a hold of a transportation ship. A plurality of winch devices, one end of which is connected to the front, rear, left, and right positions of the support frame to wind up the ropes, and guide members provided in the vertical direction at four locations around the elevating path of the transportation container. A container guide device in a container carrier for transportation, comprising: an elevating body provided on each of the guide members so as to be vertically movable; and a guide pulley attached to each of the elevating bodies to guide the midway of the rope.

[0010]

According to each of the above-mentioned configurations, when the transportation container is mounted in the hold, the rope from the winch device is connected to the support base of the transportation container to guide it to a predetermined place. Further, since a guide pulley, a guide pulley device, etc. for guiding the middle of the rope are provided, compared to a case where a plurality of workers pull the guide rope and guide the transportation container to a predetermined position in the hold, for example. Thus, the transport container can be easily and accurately guided to a predetermined position in the hold.

[0011]

The first embodiment of the container guide device according to the present invention will be described below.
The embodiment will be described with reference to FIG.

In FIG. 1, reference numeral 1 denotes a transport ship for carrying a container 6 for transporting spent nuclear fuel.
A container guide device 11 for guiding the transport container 6 to a predetermined position in the hold 2 is provided. The transportation container 6 is composed of a container body 7 and a support frame 8 on which the container body 7 is mounted and fixed.

This container guide device 11 has guide pulleys 12 provided at four corners of the inner surface of the hatch coaming 4 and two guide pulleys 12 on the outer surface of the hatch coaming 4 on both sides of the ship, and a total of 4 on both sides.
The winch device 13 is arranged on a table, and the tip end of each cord 15 wound around the winding drum 14 of each winch device 13 is transported through the above guide pulleys 12. 6 is connected to a connecting member, for example, a bracket 9 provided at each corner of a support frame 8 that supports the container body 7.

Further, each winch device 13 is provided with an automatic tension mechanism so that a constant tension acts on each cord 15 from the winding drum 14.

In the above structure, the shipping container 6 is installed in the hold 2
In the case of mounting inside, first, the tip ends of the ropes 15 from each winch device 13 are connected to the brackets 9 provided at the four corners of the support frame 8 via the corresponding guide pulleys 12 (depending on the case). May be connected to the bracket after lifting the support base by a crane).

Next, the transportation container 6 is lifted by the crane 5 through the support frame 8 and moved above the warehouse opening 3. Then, on both sides of the hold opening 3, the worker M operates the winch device 13 in units of two, for example, to wind or unwind the rope 15 while the worker M is positioned on the positioning member 16 provided on the bottom surface of the hold 2. , The support base 8 is moved.
Since the positioning member 16 guides the four corners of the support base 8, it is formed in an L shape in a plan view, for example.

Next, the support frame 8 is lowered by the crane 5 to lower the transportation container 6 into the hold 2. At this time, the worker M operates the winch device 13 to operate each cord 1
5 is fed out and operated so that the transportation container 6 is located just above the positioning member 16. Then, finally, the respective corner portions of the support base 8 are guided to the positions guided by the four positioning members 16, and the transportation container 6 is placed in the hold 2.

When the transportation container 6 is placed on the bottom surface of the hold 2, four fixing devices 17 provided on the bottom surface of the hold 2.
It is fixed to the hull side by. In addition, this fixing device 17
Is, for example, an engaging piece 18 that is swingably provided in the horizontal direction on the bottom surface and is engageable and disengageable with an engaged recess (not shown) provided on the support frame 8 side, and the engaging piece 18. 18
A rocking device, such as a cylinder device (motor), for rocking the lever between an engaged position at which it engages with an engaged recess (not shown) on the support base 8 side and an engaged position that is disengaged from the engaged recess. And the like) 19 and the like.

As described above, when the transport container 6 is lowered to the predetermined position in the hold 2, the four guide pulleys 12 and 4 are provided.
Since the winch device 13 of the table is used to guide the support frame 8 of the transportation container 6, as in the conventional case,
Compared to the case where the worker pulls the guide rope and guides it to a predetermined place, the transportation container 6 can be guided and placed at a predetermined position in the hold 2 easily and accurately.

Normally, the shipping container 6 is mounted in two upper and lower stages in the hold 2. However, in the case of mounting it in the upper stage, after mounting it in the lower stage, the intermediate floor 10 is rocked in a horizontal posture. It may be mounted on the intermediate floor 10 in a horizontal posture in the same procedure as described above.

When the transport container 6 is unloaded from the hold 2, it may be carried out in the reverse order of the above mounting procedure. Next, a second embodiment of the container guide device according to the present invention will be described with reference to FIG.

In the first embodiment, the tip end of the rope from the winch device is connected to the support base via the guide pulley provided on the hatch coaming side, while the second embodiment is used.
In the above embodiment, a guide pulley for guiding the middle of the rope is further arranged on the bottom side of the hold in order to facilitate the guide of the transportation container.

That is, as shown in FIG. 2, the tip end portion of the rope 15 from each winch device 13 passes through each upper guide pulley (first guide pulley) 21 provided in the hatch coaming 4 and then further holds. A pair of lower guide sheaves (second one in some cases) provided on the bottom surface of the second
A guide pulley 22) and its front end is connected to the bracket 9 on the support frame 8 side. Of course, each of the lower guide pulleys 22 is provided at a position corresponding to the positioning member 16 of the transportation container 6, that is, in the immediate vicinity thereof.

According to this structure, the shipping container 6 is installed in the hold 2
When descending inward, the midway of the rope 15 is guided to the immediate vicinity of each positioning member 16, so that the support frame 8 can be easily guided to a predetermined place.

In this case as well, the shipping containers 6 are mounted in two upper and lower stages in the hold 2. However, as in the case of the first embodiment, when they are mounted in the upper stage, they are mounted in the lower stage and then the intermediate floor. It suffices to swing 10 in a horizontal posture and mount it on the intermediate floor 10 in this horizontal posture by the same procedure as described above.

Next, a third embodiment of the container guide device according to the present invention will be described with reference to FIGS. In the second embodiment, the upper and lower guide sheaves are respectively passed to guide the rope from the winch device. However, in the third embodiment, a plurality of guide sheaves are vertically arranged. The pulleys to be guided are sequentially switched according to the lowered position of the transportation container.

That is, in FIG. 3, at the four positions corresponding to the positioning members 16 for guiding the circumference of the shipping container 6, the cargo hold side wall 2a between the hold mouth 3 and the bottom of the cargo hold 2 and the hatch coaming 4 are provided. For example, three upper and lower guide sheave devices 31 are arranged, and the tip end of the rope 15 from each winch device 13 is passed through the lower guide sheave device 31C arranged on the opposite side wall. After that, the intermediate guide pulley 31B and the upper guide pulley 31A are passed through, and then the bracket 9 on the support frame 8 side is connected.

Each of the guide pulley devices 31 is constructed so as to be detachable from the cord 15. That is, as shown in FIG. 4, each guide pulley device 31 includes a pair of X-shaped swing arms 33 whose intermediate portions are connected via connecting pins 32, and one end side of each swing arm 33. A half pulley unit 35 rotatably mounted via mounting pins 34 and a separating device such as a hydraulic cylinder (an electric motor or an electromagnet may be used) connected to the other ends of both swing arms 33. ) 36 and.

The half sheave portion 35 is obtained by dividing a normal guide sheave into two parts on a plane including the bottom circumferential line of the guide groove, and therefore, when integrated by the hydraulic cylinder 36. It is configured to be one guide pulley.

In the above structure, the shipping container 6 is installed in the hold 2
When mounted inside, as shown in FIG.
Cord 15a connected to the bracket 9 on the side and the cord 1 that has passed through the guide pulley devices 31 on the upper, lower and middle sides on the opposite side.
5b is connected.

Next, the transportation container 6 is lifted by the crane 5 via the support frame 8 and moved above the warehouse opening 3. Then, as in the first embodiment, the winch devices 13 are operated to move the support base 8 to a predetermined position on the hold mouth 3, and then the crane 5 lowers it into the hold 2.

Next, when the transportation container 6, that is, the support frame 8 descends to a certain extent below the upper guide pulley device 31A, the swing arm 33 is moved left and right by the hydraulic cylinder 36 to open both half-split pulley portions 35, The cord 15 is disengaged from the upper guide pulley device 31A.

Then, as shown in FIG.
Is guided by the intermediate guide pulley 31B via the rope 15. Then, when the support frame 8 is further lowered below the intermediate guide pulley device 31B, the half-split portion 35 of the intermediate guide pulley device 31B is also opened to the left and right, and the rope 15 is moved to the intermediate guide pulley device. Remove from 31B. Therefore, as shown in FIG. 6, in the lower part of the hold 2, the support base 8 is accurately placed at a predetermined place by the lower guide pulley 31C.

As described above, the guide sheave devices 31 for guiding the support frame 8 of the transportation container 6 from four directions are arranged in the upper and lower portions, respectively, of which three pieces (of course, four or more pieces) may be arranged. Since the guide pulley device 31 can be sequentially switched as the car is lowered into the hold 2,
The transportation container 6 can be guided easily and accurately.

As shown in FIG. 7, after the lower transportation container 6 is mounted, the intermediate floor 10 is swung, and the transportation container 6 is placed on the intermediate floor 10 in the same procedure as described above. Will be installed. Of course, in this case, only the upper guide pulley device 31A and the intermediate guide pulley device 31B are used.

Next, a fourth embodiment of the container guide device according to the present invention will be described with reference to FIG. In the third embodiment, in order to guide the rope from the winch device,
Although the guide pulley devices arranged at a plurality of upper and lower positions are used, in the fourth embodiment, one guide pulley corresponding to each bracket of the support frame is arranged, and each of the guide pulleys is arranged. Is to be moved in the vertical direction.

That is, as shown in FIG. 8, at the four positions corresponding to the predetermined positioning members 16 of the transport container 6, the guide containers are provided between the hold mouth 3 and the bottom of the hold 2. A rotation drive device, such as an electric motor (or a hydraulic motor) 43, is provided, which rotatably stands and holds the screw rods 41 via upper and lower holding bodies 42, and rotates each of these screw rods 41 around the axis thereof. Each of these screw rods 41
A female screw body (elevating body) 44 is screwed onto the female screw body 44, and guide sheaves 45 are attached to the female screw body 44. Of course, the female screw body 44 itself is prevented from rotating. For example, a protrusion may be provided on the female screw body 44, and the protrusion may be inserted into a groove portion formed in the vertical direction.

According to this structure, the hold 2 of the shipping container 6
The screw rod 41 is driven by the electric motor 43 according to the descending position.
By rotating the female screw body 44, that is, the guide pulley 45,
It is possible to follow the optimum guide position. Therefore, the support base 8 is accurately guided to a predetermined position on the bottom surface of the hold 2. Further, in this case, the electric motor 43 that rotates the screw rod 41 is remotely operated. In some cases, the operation can be automated, that is, unmanned.

In the fourth embodiment, the screw mechanism is used to move (raise and lower) the guide pulley in the vertical direction, but a rack and pinion mechanism may be used, for example. That is, as shown in FIG. 9, rack teeth 53 are provided in the vertical direction inside a pipe body 51 in which vertical guide grooves 52 are formed, and a shaft portion 54 a of a pinion 54 that meshes with the rack teeth 53. Is guided to the guide groove 52, and a rotary drive device for rotating the pinion 54, for example, an electric motor 55 is connected to one shaft portion 54a, and a guide pulley 56 is attached to the other shaft portion 54a. The electric motor 55 itself is prevented from rotating.

In the fourth embodiment as well, after the transportation container 6 is mounted on the lower stage, the intermediate floor is swung and the transportation container 6 is mounted on the upper stage. By the way, in the above-described first embodiment, in order to fix the support frame, it has been described that the engagement piece is engaged in the engaged recess formed on the support frame side. A twist lock for stopping (the one in which the mountain-shaped member is rotated 90 degrees to engage with the other party) may be used. Of course, in the third and fourth embodiments as well, although not shown, the fixing device 17 for the support frame is provided.

Further, in each of the above-described embodiments, the positioning member 16 for positioning the four corners of the support frame is illustrated as being L-shaped in plan view and its inner guide surface being vertical. As shown in FIG. 11, an inclined portion 16a is provided on the inner surface side of the positioning member 16, and as shown in FIG. 12, the shape of the corner portion (shown by diagonal lines) 8a at the bottom of the support base 8 is positioned. An inclined surface that matches the inclined portion 16a of the member 16 may be used.

In this way, even if the support frame 8 is slightly displaced with respect to the positioning member 16 and is lowered, it is smoothly guided by the positioning member 16.

[0043]

As described above, according to each constitution of the present invention,
Since the rope from the winch device is connected to the support base of the transportation container to guide it to a predetermined place, and the guide pulley and the guide pulley device for guiding the middle of the rope are provided. , As in the past, due to the large number of workers,
Compared with the case where the transport container is guided to a predetermined position in the hold while pulling the guide rope, the transport container can be easily and accurately guided and mounted to the predetermined position in the hold.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a container guide device according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of a container guide device according to a second embodiment of the present invention.

FIG. 3 is an overall side view of a container guide device according to a third embodiment of the present invention.

FIG. 4 is a plan view of a guide pulley device in the container guide device according to the third embodiment.

FIG. 5 is an overall side view showing a mounted state of a shipping container in the third embodiment.

FIG. 6 is an overall side view showing a mounted state of a shipping container in the third embodiment.

FIG. 7 is an overall side view showing a mounted state of a shipping container in the third embodiment.

FIG. 8 is an overall side view of a container guide device according to a fourth embodiment of the present invention.

FIG. 9 is a cross-sectional view of essential parts showing a modified example of the container guide device according to the fourth embodiment.

FIG. 10 is a side view of an essential part showing a modified example of the positioning member in each embodiment of the present invention.

11 is a cross-sectional view taken along the line AA of FIG.

FIG. 12 is a side view of essential parts showing a modified example of the support frame in each example of the present invention.

[Explanation of symbols]

 1 Transport Ship 2 Cargo 3 Kuraguchi 4 Hatch Coming 6 Transport Container 7 Container Main Body 8 Supporting Stand 9 Bracket 11 Container Guide Device 12 Guide Pulley 13 Winch Device 15 Positioning Member 17 Fixing Device 21 Top Guide Pulley 22 Lower Guide Pulley 31 Guide Pulley Device 33 Swing Arm 35 Half Pulley Block 36 Hydraulic Cylinder 41 Screw Rod 43 Electric Motor 44 Female Threaded Body 45 Guide Pulley 51 Pipe Body 53 Rack Teeth 54 Pinion 55 Electric Motor 56 Guide Pulley

Continuation of the front page (51) Int.Cl. ⁶ Identification number Internal reference number FI Technical indication location G21F 5/14 (72) Inventor Kiyotsuka Oka 5-3-3 Nishikujo 5-chome, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Zosen (72) Inventor Isao Hashimoto 5-3-28 Nishikujo, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Shipbuilding Co., Ltd. (72) In-house Yasuo Nakai 5-28, Nishikujo, Konohana-ku, Osaka City, Osaka Prefecture Within Hitachi Zosen Corporation

Claims (4)

[Claims] 1. A container guide device for carrying a transportation container, the container body of which is mounted and fixed on a support base, into a hold of a transport ship, one end of which is located at each of front, rear, left and right positions of the support base. It consisted of a plurality of winch devices that wind up the connected ropes, and a plurality of guide pulleys that were installed at predetermined positions inside the hold to guide the middle of the ropes from these winch devices. A container guide device in a container carrier for transportation characterized by the above. 2. A container guide device for loading a transportation container, the container body of which is mounted and fixed on a support base, into a hold of a transport ship, one end of which is at each of front, rear, left and right positions of the support base. A plurality of winch devices that wind up the connected ropes, a first guide pulley that is provided at a predetermined position inside the hold and guides the ropes from these winch devices, respectively, and the bottom of the hold. And a second guide pulley which is provided at a predetermined position and which guides each of the ropes in the middle thereof. 3. A container guide device for loading a transportation container, the container body of which is mounted and fixed on a support base, into a hold of a transport ship, one end of which is located in front, rear, left and right positions of the support base. A plurality of winch devices for winding the connected cords, and a guide pulley device for guiding the middle of each cord by arranging a plurality of winch devices at four positions around the ascending / descending path of the transportation container. And a guide pulley having a two-part structure in which each of the guide pulley devices is cut along a plane including the center of the guide groove portion, and a separation that separates and integrates each of these two-divided half pulley parts. A container guide device for a container carrier for transportation, comprising a device. 4. A container guide device for loading a transportation container, the container body of which is mounted and fixed on a support base, into the hold of a transport ship, one end of which is located in front, rear, left and right positions of the support base. A plurality of winch devices for winding the connected ropes, a guide member vertically provided at four locations around the ascending / descending path of the transportation container, and an elevator body provided on each of the guide members so as to be vertically movable. And a guide pulley attached to each of these elevating bodies and guiding the midway of the rope body, a container guide device for a container carrier for transportation.