JP2002167054A - Connection passage device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection passage device allowing persons to easily go through mutually between two points where a difference in height is changed. SOLUTION: This connection passage device is provided with a first table 24 and a second table 25 adjacent each other and capable of rising and falling separately and a ramp passage 26 in which a tip part is pivotally supported on the first table 24 so that a terminal part comes close to and leaves a descent position of the first table 24. The first table 24 is raised so as to correspond to the high point, a travel path connecting two points where there is a difference in height is formed by the ramp passage 26 and the first table 24, and the second table 25 is lifted and lowered so as to realize mutual connection of persons and articles between the low point and the first table 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication passage device.

[0002]

2. Description of the Related Art The means of mutual passage between the land and the ship anchored at the quay include a relative height difference between the land and the ship due to various conditions such as the type of the ship, its draft, and the tide in the anchored water area. A communication passage device that can handle the above is used.

FIG. 6 shows an example of a conventional communication passage device.
This communication passage device includes a step-like movable table 1 arranged on the quay side, a frame 4 pivotally supported by a bracket 3 provided on the movable table 1 by a pin 2 having a base end extending horizontally in the passage width direction. A pin 5 parallel to the pin 2 at the end of the frame 4
Platform 6, pivotally supported by a plurality of steps 7 arranged at equal intervals in the longitudinal direction of the passage, a support shaft 8 pivotally supporting each of the steps 7 on the frame 4 so as to be able to tilt back and forth, Interlocking member 9 arranged in parallel
And projecting downward from each step 7 and
A bracket 11 connected to the interlocking member 9 by an interlocking pin 10 parallel to the cylinder 4 and a cylinder 12 arranged in parallel below the frame 4. The parallelogram link is formed by the frame 4, the interlocking member 9, the step 7 and the bracket 11. Is formed.

A base end of the interlocking member 9 is connected to a bracket 13 provided on the movable base 1 so as to be located below the bracket 3.
The step 7 is connected to the pin 2 in parallel with the pin 2 so that the upper surface of the step 7 can always be kept horizontal without being affected by the undulation of the frame 4.

The leading end of the interlocking member 9 is
The platform 6 is tilted back and forth in synchronism with the step 7 to a bracket 15 projecting downward from the base 2, so that the upper surface of the platform 6 is always unaffected by the undulation of the frame 4. It is designed to be horizontal.

[0006] The housing of the cylinder 12 is mounted on a bracket 17 provided on the movable base 1 so as to be positioned below the bracket 13, and the piston rod of the cylinder 12 is mounted on a bracket 18 projecting downward from the frame 4, respectively. Are connected by pins 19, 20 which are parallel to

Further, a roller 21 that can roll on the upper surface of the quay is pivotally supported on the movable table 1. Further, on the left and right sides of the movable table 1, the frame 4, and the platform 6, a fence (for preventing falling) is provided. (Not shown).

In the communication passage device shown in FIG.
By the operation of 2, the frame 4 undulates while the step 7 and the upper surface of the platform 6 are kept horizontal, and the vertical position of the platform 6 changes.

That is, when the amount of protrusion of the piston rod with respect to the housing of the cylinder 12 is increased, the height difference between the platform 6 and the moving table 1 is increased, and when the amount of protrusion of the piston rod with respect to the housing of the cylinder 12 is reduced, The height difference between the platform 6 and the mobile platform 1 is reduced.

[0010]

However, in the communication passage device shown in FIG. 6, except when the frame 4 is in a horizontal state, even if the inclination angle of the frame 4 is gentle, the upper surface of the plurality of steps 7 is not required. Are arranged in a step-like manner, and in addition, since the movable platform 1 for pivotally supporting the frame 4 is in a step-like form, an elderly person or a wheelchair user who has difficulty walking on the stairs is required to pass by an attendant. They needed assistance and were unable to move cargo carriers, suitcases with casters, etc.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a communication passage device which can easily pass between two points where the height difference changes.

[0012]

According to a first aspect of the present invention, a first table and a second table which are adjacent to each other and which can be moved up and down separately are provided.
And an up-and-down passage pivotally supporting the distal end of the first table so that the base end can approach and separate from the lowered position of the first table.

In the communication passage device according to the second aspect of the present invention, in addition to the structure of the communication passage device according to the first aspect of the present invention, the first table, the first table, 2
The table and the up-and-down passage are mounted, and an inclined passage forming an inclined surface extending from the vicinity of the ground surface to the upper surface of the second table in a lowered state is provided on the base.

[0014] In any one of the communication passage devices according to the first and second aspects of the present invention, the first table is raised in correspondence with the high point, and the moving path connecting the two points having the height difference. Is formed by the undulating passage and the first table.

Further, the second table is moved up and down so that people and articles can communicate with each other between the low point and the first table.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 5 show an embodiment of a communication passage device according to the present invention. The communication passage device includes a base 23 having rollers 22 capable of rolling on the ground, A first table 24 is provided at a portion near the front end of the base 23 so as to be able to move up and down, and a second table 25 is provided at a portion near a middle side of the base board 23 so as to be able to move up and down adjacent to the first table 24.
And an up-and-down passage 26 in which the inclination angle changes in accordance with the elevation of the first table 24, and an inclined passage 27.

First table 24 and second table 2
The elevating means 5 is a two-stage crossing type expansion / contraction link mechanism 28.
Is applied so that the tables 24 and 25 are always kept parallel to the baseboard 23.

The expansion and contraction link mechanism 28 is pivotally supported by a fixed bracket 29 provided on the base plate 23, a bracket 30 movable along the base plate 23, and a bracket 31 whose base end is fixed at the position by a pin 31. A link body 32, a base end of which is pivotally supported by a movable bracket 30 with a pin 33, and a middle part of which is pivotally supported by a pin 34 with an intermediate part of the link body 32, and a base end A link body 37 pivotally supported at the distal end of the link body 32 by a pin 36, a base end pivotally supported by the distal end of the link body 35 by a pin 38, and an intermediate part by a pin 39 A link body 40 pivotally supported at an intermediate portion of the link body 37, a position-fixed bracket 41 provided on the tables 24 and 25 so as to be positioned above the bracket 29, and a table 2 positioned above the bracket 30 and
The bracket 41 has a bracket 42 that can move along lines 4 and 25, and the tip of the link body 37 is fixed in position.
, And the distal end of the link body 40 is pivotally supported by a movable bracket 42 with a pin 44.

Further, a pin 34 is attached to the expansion / contraction link mechanism 28.
, A rod 46 inserted through the frame 45 so as to be movable in parallel with the brackets 30 and 42, a motor 47 capable of moving the rod 46 forward and backward, and a link body 32, 35. Rollers 48, 4 pivotally supported on a rod 46 so as to contact the side edge portions of the intersection.
9 is attached, and when the rollers 48, 49 move the rod 46 in the direction approaching the pin 34, the expansion / contraction link mechanism 28 expands and the tables 24, 25 rise. , 49 move the rod 46 in a direction away from the pin 34, the expansion / contraction link mechanism 28 is reduced, and the tables 24, 25 are lowered.

The up-and-down passage 26 has a roller 50 which rolls along the base plate 23, and a step 51 in which the first table 24 can be moved close to and away from the lower side of the first table 24 in a lateral direction. A pin 5 pivotally supported by the step 51 by a pin 52 extending horizontally in the width direction of the passage and having a tip end parallel to the pin 52
3, the frame 55 pivotally supported by the bracket 54 provided on the first table 24, a plurality of steps 56 arranged at equal intervals in the longitudinal direction of the frame 55, and each step 56 can be tilted back and forth to the frame 55. A supporting shaft 57 pivotally connected to the frame 55 and an interlocking member 58 disposed below the frame 55
And a bracket 60 protruding downward from each step 56 and connected to an interlocking member 58 by a pin 59 parallel to the pin 52, respectively.
The step 56 and the bracket 60 form a parallelogram link.

The interlocking member 58 has a base end connected to the step 51 by a pin 61 and a front end connected to the bracket 54 by a pin 62, and changes the inclination angle of the frame 55 by raising and lowering the first table 24. , The upper surface of each step 56 can always be kept horizontal.

The inclined passage 27 is attached to the base 23 so as to form an inclined surface extending from the vicinity of the ground surface to one edge of the upper surface of the second table 25 in a lowered state.

At the front edge of the first table 24, the base end of the cross passage 63 is pivotally supported by a pin 64 extending in the width direction of the passage.

The crossing passage 63 is connected to the first table 24
A state in which the rope approaches a deck portion of an entrance / exit of a ship anchored on a quay in response to the pulling out and winding of a rope 66 by a manual winch 65 installed on a quay;
4 and is set up.

An upper surface of a portion near the rear edge of the first table 24,
On the upper surface near the rear edge of the second table 25 and on the distal end of the transfer passage 63, transfer plates 67, 68, 69 are swingably attached.

When the first table 24 is lowered and the second table 25 is raised, when the upper surface positions of the two tables 24 and 25 become equal, the crossing plate 67 is moved to the front edge of the second table 25. The gap between the two tables 24 and 25 is closed by contacting the upper surface of the shift portion.

When the second table 25 descends most, the crossover plate 68 abuts on the upper surface of the high portion of the inclined passage 27 to close the gap between the second table 25 and the inclined passage 27.

The crossing board 69 abuts the deck portion of the entrance and exit when closing the crossing passage 63 toward the ship anchored at the quay, and closes the gap between the crossing passage 63 and the deck portion of the entrance and exit.

Further, both tables 24 and 25, undulating passage 2
6, a fall prevention fence 70, 71, 72, 73, 74, 75 is attached to the left and right sides of the frame 55, the step 51 of the undulating passage 26, the inclined passage 27, and the crossover passage 63. Before and after the table 25, fall prevention doors 76 and 77 having an upper side equal to the fence 71 are provided.

When the quay and the berthed ship are to be allowed to pass each other using the communication passage device shown in FIGS.
And the first table 24 is raised to the same height position as the deck portion of the entrance / exit by the expansion / contraction link mechanism 28 below the first table 24, and the undulating passage 26
Set the tilt angle of.

Next, the rope 66 is moved from the manual winch 65 to the rope 66.
And the crossing passage 63 is swung out from the first table 24 so as to reach the deck portion of the entrance / exit, and the crossing plate 69 is brought into contact with the deck portion, and the quay which is a low point and the ship which is a high point A moving path for general passengers connecting the entrance and the exit is formed by the undulating passage 26, the first table 24, and the transfer passage 63.

When the elderly or wheelchair users who are difficult to walk on stairs pass through, the elderly and wheelchair users are boarded on the second table 25, and the second table 25 is used.
The second table 25 is raised and lowered by the lower expansion / contraction link mechanism 28, and communication is made between the inclined passage 27 near the ground surface and the first table 24 raised to a height corresponding to the entrance of the boat.

At this time, since the inclined passage 27 is interposed between the ground surface and the second table 25 in the descending state,
Elderly people and wheelchair users can easily get on and off the second table 25.

Further, the second table 25 is similarly used for loading and unloading a cargo transporting trolley, a suitcase with casters, and the like on a ship.

When the mutual passage between the quay and the ship is released, the rope 66 is wound around the manual winch 65, and the crossing passage 63 is raised on the first table 24.

Next, the platform 23 is moved so that the crossing passage 63 is separated from the entrance of the ship, and the first table 24 is lowered by the expansion / reduction link mechanism 28 below the first table 24 to raise and lower the table. The passage 26 is set to a flat storage state.

As described above, in the communication passage device shown in FIGS. 1 to 5, the position of the first table 24 is raised in accordance with the deck portion of the entrance / exit of the ship, which is a high point, and there is a difference in elevation. The moving path for general passengers connecting between the quay and the entrance / exit of the ship is shown by the undulating passage 26 and the first table 2.
4, and in addition to being formed by the transition passage 63,
A second table 25 adjacent to the first table 24 is provided between an inclined passage 27 near the ground surface, which is a low point, and the first table 24 raised to a height position corresponding to the entrance of the ship. The elderly people and wheelchair users who have difficulty walking up stairs can easily pass between the quay and the ship.

The second table 2 is used for loading and unloading cargo carriers, suitcases with casters, and the like for ships.
5 makes it easy for passengers to overturn.
The movement of cargo at the airport is eliminated, and safety is improved.

It should be noted that the communication passage device of the present invention is not limited to the above-described embodiment, and the present invention is not limited to the embodiment described above. Use as a means of mutual passage between the warehouse and the vehicle, In place of the expansion / contraction link mechanism, use a lifting / lowering means that suspends the table from the gate-shaped frame with a rope so that the height can be adjusted, and use the slope of the undulating passage When the angle change is small, the steps forming the stairs are fixed structures, the position of the second table is arranged on the left or right side of the first table, and other changes are made without departing from the gist of the present invention. Of course, it can be added.

[0041]

As described above, according to the communication passage device of the present invention, the following various excellent effects can be obtained.

(1) The first table is raised in correspondence with the high point, and the moving route connecting the two points having the height difference is
In addition to being formed by the undulating passage and the first table,
First raised to a height position corresponding to the low point and high point
Elderly and wheelchair users who have difficulty walking up the stairs because the second table is raised and lowered to communicate with the table
Mutual traffic between low points and high points can be facilitated.

(2) If the second table is used to transport the cargo between the low point and the high point, the movement of the cargo in the up-and-down passage where a person easily falls down is eliminated, and the safety is improved. I do.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram of a state in which only a first table is raised and a cross passage is erected as viewed from the right side of the passage in an example of an embodiment of a communication passage device of the present invention.

FIG. 2 is a conceptual view of a state in which both the first and second tables are raised and the crossing passage is swung out from the right side of the passage in an example of the embodiment of the communication passage device of the present invention.

FIG. 3 is a view taken in the direction of arrows III-III in FIG. 2;

FIG. 4 is a conceptual diagram mainly showing an enlargement / reduction link mechanism in FIGS. 1 and 2;

FIG. 5 is a conceptual diagram mainly showing an undulating passage in FIGS. 1 and 2;

FIG. 6 is a conceptual diagram of an example of a conventional communication passage device viewed from the left side of the passage.

[Explanation of symbols]

 23 Board 24 First table 25 Second table 26 Undulating passage 27 Inclined passage

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tomooka Tomooka 3-1-1, Toyosu, Koto-ku, Tokyo Ishikawajima-Harima Heavy Industries, Ltd. Tokyo Engineering Center (72) Inventor Taketoshi Goto 3-1-1 Toyosu, Koto-ku, Tokyo No.15 Ishikawajima Harima Heavy Industries, Ltd. Tokyo Engineering Center (72) Inventor Fumio Sato 3-1-1, Toyosu, Koto-ku, Tokyo Ishikawajima Harima Heavy Industries, Ltd. Tokyo Engineering Center F-term (reference) 3F078 DA01 DA06 DA11

Claims (2)

[Claims] 1. A first device which is adjacent to each other and which can be raised and lowered separately.
And a second table, and an up-and-down passage which has a distal end pivotally supported by the first table and a proximal end which can approach and separate from a lowered position of the first table. Aisle equipment. 2. A sloped passage having a first table, a second table, and an up-and-down passage mounted on a base so as to be able to move on the ground, and forming an inclined surface extending from near the ground to the upper surface of the second table in a lowered state. The communication path device according to claim 1, wherein the communication path device is provided on a base plate.