JP3608144B2 - Gate - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a gate provided with an arch-like door body straddling a passage such as a water channel, and blocking the passage by rotating the door body and positioning it on the passage.
[0002]
[Prior art]
Conventionally, such a facility as shown in FIG. 5 is known.
The visor type gate (gate) 1 shown in FIG. 5 plays the role of a sluice that blocks and opens the water channel C. The visor type gate (gate) 1 includes an iron door body 3, machine rooms 4 and 4, and guide arches 5 and 5. It is roughly structured.
[0003]
The door body 3 is formed in an arch shape in which the base end portions 3 a and 3 a are disposed at positions facing each other across the water channel C and straddle the water channel C. The base end portions 3a and 3a are provided with hinges (not shown), so that the door body 3 can rotate around an axis connecting the base end portions 3a and 3a. Further, on both side portions 3 b and 3 b of the door body 3, winding arms 7 and 7 are provided so as to protrude to the outside of the door body 3.
[0004]
One end 8a of the wire rope 8 is fixed to the winding arms 7 and 7, and the other end (not shown) of the wire rope 8 is fixed to an electric motor (not shown) provided inside the machine chambers 4 and 4. Has been. The door body 3 is supported from the machine room 4 and 4 side by a wire rope 8, and the base end portions 3 a and 3 a are attached to the door body 3 by lowering or lifting the wire rope 8 using an electric motor. It can be rotated as a fulcrum.
[0005]
The guide arches 5 and 5 are disposed so as to be positioned on a vertical plane parallel to the water channel C and are formed so as to straddle the base end portions 3 a and 3 a of the door body 3. Further, the guide arches 5, 5 are formed such that upper portions 5 a, 5 a are connected to the machine chambers 4, 4. Further, the guide arches 5, 5 are provided with pulleys 9, 9,... For guiding the wire rope.
[0006]
FIG. 6 is a diagram showing a situation when the visor type gate 1 having such a configuration blocks the water channel C. FIG. 6A shows the situation when the door body 3 is viewed from the direction in which the water channel C extends, and FIG. 6B shows the situation when the door body 3 is viewed in a cross section perpendicular to the water channel C. It is a figure which shows a situation typically, respectively.
As shown in FIG. 5, the door body 3 is positioned so as to straddle the water channel C in normal times. For example, when it is necessary to block the water channel when a storm surge occurs, The base end portion 3a is rotated from the normal position as a fulcrum, and moved to a position as shown by a two-dot chain line in FIG. As a result, the water channel C is blocked, and damage such as storm surge flowing along the water channel C is prevented.
[0007]
[Problems to be solved by the invention]
In the visor type gate 1, the machine rooms 4 and 4 and the guide arches 5 and 5 are arranged so as to be located above the base end portion 3 a of the door body 3. However, since the machine rooms 4 and 4 are heavy due to an electric motor or the like, disposing the machine rooms 4 and 4 increases the burden on the structure that supports the machine rooms 4 and 4 in the event of an earthquake or the like. There is concern that the structure will be adversely affected.
Further, in order to avoid such adverse effects, if the rigidity of the structure that supports the machine rooms 4 and 4 is increased, the structure becomes large and unsightly in the landscape.
[0008]
The same applies to the guide arches 5 and 5. That is, the guide arches 5 and 5 are configured to support the weight of the door body 3 via the wire rope and the pulleys 8, 8,. For this purpose, it is inevitable to increase the weight and size, and if this is placed above the base end 3a, it will be difficult not only to ensure safety during an earthquake, but also on the landscape. There's a problem.
[0009]
Furthermore, when the water channel C is a navigation channel and it is particularly necessary to secure a cross-section of the navigation channel necessary for the passage of a large ship, the machine room 4, as the door body 3 is enlarged. 4 and the guide arches 5 and 5 are also enlarged, and in this case, the above-described problem becomes more remarkable.
[0010]
The present invention has been made in view of the above circumstances, and it is possible to ensure the safety of equipment such as a machine room and a guide arch during an earthquake and to provide an excellent gate even in a landscape. Let that be the issue.
[0011]
[Means for Solving the Problems]
In order to solve the above problems, the following means are employed in the present invention.
The gate according to claim 1 has a base end portion disposed at two positions facing each other across the passage, has an arch shape straddling the passage, and rotates around an axis connecting the base end portion. A door body formed possible,
A driving means for supplying a driving force for rotating the door body,
The driving means is provided adjacent to the base end portion.
[0012]
Since it is configured as described above, in this gate, it is possible to install a driving means for driving the door body at a lower position as compared with the conventional case, thereby, the machine room is The burden of the supporting structure during an earthquake can be reduced.
[0013]
The gate according to claim 2 is the gate according to claim 1,
A pair of guide arches arranged at least in the vicinity of each base end of the door body and positioned on a vertical plane parallel to the passage;
The guide arch is arranged so as to be positioned inside the door body when viewed from the extending direction of the passage.
[0014]
Since it is set as the above, in this gate, the guide arch can be arrange | positioned in a low position and the burden force of the guide arch in an earthquake etc. can be reduced.
[0015]
The gate according to claim 3 is the gate according to claim 1 or 2,
The passage is a water channel.
[0016]
Because of the above configuration, this gate is suitable as a sluice gate.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing a gate 11 according to an embodiment of the present invention.
This gate 11 is constructed as a tide sluice gate between breakwaters 12 and 12, and is an iron door that has an arch shape straddling a water channel (passage) C, similar to the conventional visor type gate 1 shown above. A body 13 is provided.
[0018]
The base end portions 13a and 13a of the door body 13 are joined to the breakwaters 12 and 12 via hinges 16 and 16, so that the door body 13 uses the hinges 16 and 16 as fulcrums as base points 13a. , 13a can be rotated around an axis connecting the two.
Further, winding arms 17 and 17 are provided inside the both side portions 13 b of the door body 13.
[0019]
In addition, the gate 11 is configured such that the guide arches 18 and 18 are erected on the breakwaters 12 and 12 so as to be located inside the door body 13. Further, below the guide arches 18 and 18, machine rooms 19 and 19 are provided adjacent to the base end portions 3 a and 3 a of the door body 3, and the machine rooms 19 and 19 include a hoisting machine (driving means). ) Is provided.
Furthermore, on the breakwaters 12 and 12, operation towers 21 and 21 are provided with operation rooms 20 and 20 for operating the machine rooms 19 and 19 at the upper part thereof.
[0020]
FIG. 2 is a diagram illustrating a situation when the gate 11 is viewed from above. As shown in the figure, the guide arches 18 are arranged so as to be parallel to the extending direction of the water channel C (p direction in the figure). Further, when the water channel C is closed, the door body 13 moves to a position as indicated by a two-dot chain line in the drawing. At this time, the door 13, is to be positioned so as to convex toward the harbor side C _a waterway C.
[0021]
FIG. 3 is a diagram showing a cross section taken along line AA in FIG. As shown in the figure, one end 18a of the wire rope 18 is fixed to the winding arm 17, and the door body 13 is supported from the operation tower 21 by the wire-rope 18, as shown in FIG. Will be placed at the position.
Further, the guide arch 18 is provided with pulleys 23, 23,.
[0022]
FIG. 4 is a diagram illustrating the operation of each part in the gate 11 when the door body 13 is moved. As shown in the figure, the wire rope 18 is guided to pulleys 24 and 25 inside the operation tower 21, and the other end 18 b is connected to a hoisting machine (driving means) 27 disposed in the machine room 19. It is set as the structure connected with respect to it.
[0023]
When the door body 13 is moved and the water channel C is blocked, the hoisting machine 27 is driven to lower the wire rope 18. Thereby, the door body 13 rotates to a position as indicated by a two-dot chain line in the drawing with the hinge 16 as a fulcrum by its own weight, and in a state where the wire rope 18 is completely wound down, the door body 13 is in a state parallel to the water channel C The water channel C is blocked at the position. At this time, the pulleys 23, 23,... Provided on the guide arch 18 serve to guide the wire rope 18.
[0024]
By this way waterway C is closed, it is possible to prevent the port inside C _a through canals C storm surges, that tsunami flows. Moreover, although the load by these storm surges, tsunamis, etc. will act as a tensile force with respect to the door body 13, since the door body 13 is made of iron as described above, this load can be applied with a small rigidity. It is possible.
[0025]
Further, when the water channel C is opened again from the state where the water channel C is blocked by the door body 13, the door body 13 is raised again by winding up the wire rope 18 conversely.
[0026]
In the gate 11 described above, as shown in FIG. 1, the machine room 19 in which the hoisting machine 27 is installed is arranged adjacent to the base end portion 13 a of the door body 13. As a result, the machine room 19 has a semi-underground structure as shown in FIG. 1 and is placed at a lower position than the conventional visor-type gate 1, thereby reducing the burden of the facility during an earthquake or wind load. Can improve the safety of the facility. This also facilitates maintenance of the machine room 19.
Further, unlike the conventional visor type gate 1, it is not necessary to make a large structure for supporting the machine room 19 in both the foundation and the upper structure, thereby reducing the construction cost. Is possible. In addition to that, unlike the prior art, the machine room and its support structure are not conspicuous, and instead, the arch shape of the door body 13 can be conspicuous, and a good design can be realized.
[0027]
Furthermore, in the above-mentioned gate 11, since the guide arches 18 and 18 are positioned inside the door body 13 when viewed from the extending direction of the water channel C, the guide arches 18 and 18 are conventionally provided. In comparison, it is possible to reduce the size and arrange it at a low position. Therefore, the burden on the guide arch during an earthquake or the like can be reduced and its safety can be improved. Moreover, since it was set as such a structure, when the external appearance is visually observed, the arch shape of the door body 13 is not parted, and the thing excellent in the design compared with the conventional thing is realizable.
[0028]
The gate 11 is preferably installed on the water channel C as in the present embodiment. In this case, the gate 11 can function as a sluice and is excellent in design. Therefore, it can function as a waterside landmark and create a good landscape.
[0029]
In addition, in the said embodiment, you may make it employ | adopt another structure about the structure and material of each part of the gate 11, or the installation object position of the gate 11, etc. within the range which does not deviate from the main point of this invention. .
For example, although the door 13 is made of iron in the above embodiment, other materials such as reinforced concrete may be used instead.
In addition, the use of the gate 11 is not limited to the tide gate as in the above embodiment, and can be used for a weir in a river, a road structure, or a part of a building. .
[0030]
【The invention's effect】
As described above, according to the gate of the first aspect, since the driving means for moving the door body is disposed adjacent to the base end portion of the door body, the driving means is lower than the conventional one. It can arrange | position to a position, Thereby, the burden at the time of the earthquake of a facility and a wind load can be reduced, and the safety | security of a facility can be improved. This also facilitates maintenance of the drive means.
Furthermore, unlike the conventional case, the structure for supporting the driving means can be simplified in both the foundation and the superstructure, so that the construction cost can be reduced. Further, unlike the prior art, the machine room and its supporting structure are not conspicuous, so that a good design can be realized.
[0031]
According to the gate according to claim 2, when the guide arch is viewed from the direction in which the passage extends, the guide arch is downsized compared to the prior art because it is positioned inside the door body. In addition, it is possible to dispose the guide arch in a low position, and it is possible to reduce the burden of the guide arch in an earthquake or the like and to improve the safety. Further, unlike the conventional case, the arch shape of the door body is not divided in appearance and is excellent in design.
[0032]
The gate according to claim 3 is not only suitable as a sluice gate because it is installed on a waterway, but also exhibits excellent functions as a waterside landmark because it is excellent in design. It is possible to create a unique landscape.
[Brief description of the drawings]
FIG. 1 is a front view of a gate schematically showing an embodiment of the present invention.
FIG. 2 is a plan view of the same.
3 is a cross-sectional view taken along the line AA in FIG.
FIG. 4 is a side sectional view of the gate for illustrating the operation of the gate of the present invention when the door is opened and closed.
FIG. 5 is a perspective view schematically showing a conventional gate (visor type gate).
6A and 6B are diagrams illustrating a situation when the door body of the gate (visor type gate) illustrated in FIG. 5 is opened and closed, where FIG. 6A is a front view of the door body, and FIG. FIG.
[Explanation of symbols]
11 Gate 12 Breakwater 13 Door 13a Base End 18 Guide Arch 27 Winding Machine (Drive Unit)
C waterway (passage)

Claims (3)

A base body having a base end portion disposed at two positions facing each other across the passage, an arch shape straddling the passage, and a door body formed to be rotatable around an axis connecting the base end portion; ,
A driving means for supplying a driving force for rotating the door body,
The gate is characterized in that the driving means is provided adjacent to the base end. The gate of claim 1,
A pair of guide arches arranged at least in the vicinity of the base end of the door body and positioned on a vertical plane parallel to the passage;
The gate is characterized in that the guide arch is disposed so as to be located inside the door body when viewed from the extending direction of the passage. The gate according to claim 1 or 2,
The gate is characterized in that the passage is a water channel.

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