Roadbed material with rainwater storage function

Abstract

To provide a roadbed material that can suppress damage even when subjected to strong stress. [Solution] The roadbed material 1 comprises a plurality of floor members 2 having a surface on which stress from pedestrians acts, a support mechanism 3 that supports the plurality of floor members 2, and a connecting mechanism 4 that connects the plurality of floor members. Each of the plurality of floor members 2 has a first plate member 21 and a second plate member 22 adjacent to the first plate member 21. The plurality of floor members 2 are configured to be rotatable between a first position in which the first plate member 21 and the second plate member 22 are substantially parallel to the horizontal plane, and a second position in which the first plate member 21 and the second plate member 22 are bent so as to intersect. Furthermore, the support mechanism 3 supports the floor members 2 by support columns 31 and also supports the floor members 2 by a truss structure composed of a first support member 33 and a second support member 34.

Description

Technical Field

[0001] The present invention relates to a roadbed material having a rainwater storage function.

Background Art

[0002] In recent years, due to the influence of climate change and the like, water disasters such as heavy rain and typhoons have occurred frequently and become severe. In particular, on road surfaces, there has been a problem that the road is flooded by rainwater exceeding the capacity of drainage facilities.

[0003] In Patent Document 1, a groove member provided on a sidewalk or the like is covered with a plate member that can be rotated by the stress of a passing body such as a pedestrian. Thereby, when a passing body such as a pedestrian passes, the plate member is made substantially parallel to the horizontal plane to facilitate walking on the road surface, and when the passing body does not pass, the plate member is rotated by its own weight so as to intersect the horizontal plane, so that snowfall can be introduced into the groove member, and the convenience of traffic for pedestrians and the like can be improved. This mechanism not only functions to prevent road flooding by a rainwater storage function using the space under the road surface not only for snowfall, but also has a function of quickly draining water during flooding.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, in Patent Document 1, since a plurality of plate members are supported by a shaft member, when a strong stress acts on the plate member, the shaft member may be deformed by the stress, and the plate member may be damaged.

[0006] An object of the present invention is to provide a roadbed material having a rainwater storage function that can suppress damage even when a strong stress acts. [Means for solving the problem]

[0007] The rainwater storage function roadbed material of the present invention comprises a plurality of floor members having a surface on which stress from a passing body acts, a support mechanism for supporting the plurality of floor members, and a connecting mechanism for connecting the plurality of floor members, each of the plurality of floor members having a first plate member and a second plate member adjacent to the first plate member, the connecting mechanism having an interlocking rod that connects adjacent floor members in a first direction perpendicular to the vertical direction, the support mechanism having a support column provided along the vertical direction, a weight portion supported so as to be slidable vertically with respect to the support column, and a first support member and a second support member that are swingably supported on the weight portion, and the plurality of floor members are connected The support mechanism is configured to be rotatable between a first position in which the working surface of the first plate member and the working surface of the second plate member are substantially parallel to the horizontal plane, and a second position in which the working surface of the first plate member and the working surface of the second plate member are bent so as to intersect, and is configured to rotate from the second position to the first position due to the stress acting on the working surfaces, and rotate from the first position to the second position due to the weight of the weight portion, and the support mechanism is characterized in that the floor member is supported by the support column and the floor member is supported by a truss structure composed of the first support member and the second support member.

[0008] Here, the statement that the surface of action is approximately parallel to the horizontal plane is not limited to cases where it is perfectly parallel, but includes a range where it can be perceived as parallel. In this invention, the floor member is supported by a truss structure composed of a first support member and a second support member, in addition to support columns provided along the vertical direction. As a result, even if a strong stress acts on the working surface of the floor member, the stress is distributed to the truss structure composed of the support columns, the first support member, and the second support member via the first and second plate members. Therefore, damage to the floor member can be suppressed even when a strong stress is applied.

[0009] In the roadbed material having a rainwater storage function of the present invention, it is preferable that the first plate member and the second plate member are rectangular in shape when viewed from above. In this configuration, the first and second plate members are rectangular in shape when viewed from above, which makes it easier to design the roadbed material.

[0010] In the roadbed material having a rainwater storage function of the present invention, it is preferable that the first plate member and the second plate member are triangular in shape when viewed from above. In this configuration, since the first and second plate members are triangular in plan view, the area of ​​the opening in the second orientation can be increased compared to when the first and second plate members are rectangular. Therefore, it is possible to drain rainwater and other liquids through the opening. [Brief explanation of the drawing]

[0011] [Figure 1] A perspective view showing a schematic of the roadbed material according to the first embodiment of the present invention. [Figure 2] A perspective view showing a schematic representation of a portion of the roadbed material in the first embodiment. [Figure 3] A perspective view showing a schematic representation of the main parts of the roadbed material of the first embodiment. [Figure 4] An enlarged perspective view showing the outline of the main parts of the roadbed material of the first embodiment. [Figure 5] A diagram showing the operation of the roadbed material in the first embodiment. [Figure 6] A diagram showing the operation of the roadbed material in the first embodiment. [Figure 7] A side view showing a schematic of the roadbed material in the second embodiment. [Figure 8] A cross-sectional view showing the general structure of the roadbed material in the second embodiment. [Figure 9] A perspective view showing a schematic of a portion of the roadbed material in a modified example. [Modes for carrying out the invention]

[0012] [First Embodiment] A first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an overview of the roadbed material 1 of the first embodiment, FIG. 2 is a perspective view showing an overview of a part of the roadbed material 1, FIG. 3 is a perspective view showing an overview of the main part of the roadbed material 1, and FIG. 4 is an enlarged perspective view showing an overview of the main part of the roadbed material 1. In this embodiment, the roadbed material 1 is laid on a sidewalk 100 where pedestrians H pass, and is configured as a roadbed material having a rainwater storage function. Note that the pedestrian H is an example of the passing body of the present invention. In addition, in the description of the present invention, the direction in which the sidewalk 100 extends, that is, the traveling direction of the pedestrian H, is defined as the X-axis direction, the width direction of the sidewalk 100 is defined as the Y-axis direction, and the vertical direction is defined as the Z-axis direction. Also, the X-axis direction is an example of the first direction of the present invention, and the Y-axis direction is an example of the second direction of the present invention. As shown in FIGS. 1 to 4, the roadbed material 1 includes a plurality of floor members 2, a support mechanism 3, and a connection mechanism 4. And the floor member 2 includes a first plate member 21 and a second plate member 22.

[0013] [The first plate member 21 and the second plate member 22] The first plate member 21 and the second plate member 22 each have working surfaces 211 and 221 on which a stress P by a pedestrian H who is a passing body acts. And in this embodiment, the first plate member 21 and the second plate member 22 are each rectangular in plan view. Therefore, in this embodiment, the first plate member 21 and the second plate member 22 can be laid according to the shape of the sidewalk 100, making it easier to design the roadbed material 1. Also, in this embodiment, the first plate member 21 and the second plate member 22 are supported by the support mechanism 3.

[0014] [Support mechanism 3] As described above, the support mechanism 3 is configured to support the first plate member 21 and the second plate member 22 of the floor member 2. In this embodiment, the support mechanism 3 includes a support column 31, a weight portion 32, a first support member 33, a second support member 34, a third support member 35, a fourth support member 36, and a roller member 37. The support column 31 is made of metal and has a column main body portion 311 provided along the Z-axis direction, a leg portion 312 provided along the X-axis direction, and a beam portion 313 provided along the Y-axis direction. In this embodiment, the support column 31 has the leg portion 312 supported by the groove member 200. The groove member 200 is constituted by a so-called upper cover type U-shaped side groove made of reinforced concrete.

[0015] The weight portion 32 is configured to be supported slidably with respect to the support column 31 in the Z-axis direction. In this embodiment, the weight portion 32 has a first weight portion 321 and a second weight portion 322. And the weight portion 32 is supported slidably with respect to the support column 31 in the Z-axis direction by sandwiching the column main body portion 311 of the support column 31 between the first weight portion 321 and the second weight portion 322.

[0016] The first support member 33 is provided to connect the first weight portion 321 and the first plate member 21. And in this embodiment, the first support member 33 is a rod-shaped member made of metal, and rotary hinges are provided at both ends. Thereby, the first support member 33 supports the first plate member 21 rotatably and is supported swingably with respect to the first weight portion 321.

[0017] The first support member 33 is provided to connect the first weight portion 321 and the first plate member 21. And in this embodiment, the first support member 33 is a rod-shaped member made of metal, and rotary hinges are provided at both ends. Thereby, the first support member 33 supports the first plate member 21 rotatably and is supported swingably with respect to the first weight portion 321.

[0018] The second support member 34 is provided to connect the second weight portion 322 and the second plate member 22. And in this embodiment, the second support member 34 is a rod-shaped member made of metal, and rotary hinges are provided at both ends. Thereby, the second support member 34 supports the second plate member 22 rotatably and is supported swingably with respect to the second weight portion 322.

[0019] The third support member 35 is provided to connect the beam portion 313 of the support column 31 and the first support member 33. In this embodiment, the third support member 35 is a metal rod-shaped member with rotatable hinges at both ends. As a result, the third support member 35 pivotably supports the first support member 33 and is pivotably supported relative to the beam portion 313.

[0020] The fourth support member 36 is provided to connect the beam portion 313 of the support column 31 and the second support member 34. In this embodiment, the fourth support member 36 is a metal rod-shaped member with rotatable hinges at both ends. As a result, the fourth support member 36 pivotably supports the second support member 34 and is pivotably supported relative to the beam portion 313.

[0021] The roller members 37 are so-called guide rollers and are positioned on the column body 311. In this embodiment, two roller members 37 are provided for each column body 311. The roller members 37 are positioned to contact the first weight portion 321 and the second weight portion 322. As a result, when the first weight portion 321 and the second weight portion 322 slide in the Z-axis direction relative to the support column 31, they are guided by the roller members 37, allowing them to operate smoothly.

[0022] [Connection mechanism 4] The connecting mechanism 4 is a component for connecting the floor members 2. In this embodiment, the connecting mechanism 4 has a connecting rod 41 that connects adjacent floor members 2 in the X-axis direction. In the example shown in Figure 3, the connecting mechanism 4 has interlocking rods 41A, 41B, 41C, 41D, and 41E. Specifically, the first plate member 21A and the second plate member 22A constituting floor member 2A are connected to the first plate member 21C and the second plate member 22C constituting floor member 2C by interlocking rods 41A and 41B. The first plate member 21B and the second plate member 22B constituting floor member 2B are connected to the first plate member 21C and the second plate member 22C constituting floor member 2C by interlocking rods 41B and 41C. The first plate member 21C and the second plate member 22C constituting floor member 2C are connected to the first plate member 21D and the second plate member 22D constituting floor member 2D by interlocking rod 41D. The first plate member 21C and the second plate member 22C that constitute floor member 2C, and the first plate member 21E and the second plate member 22E that constitute floor member 2E, are connected by a connecting rod 41E. As a result, for example, when the first plate member 21A and the second plate member 22A of floor member 2A are opened and closed, the first plate member 21A and the second plate member 22A of floor member 2A and the first plate member 21C and the second plate member 22C of floor member 2C are connected by interlocking rods 41A and 41B, so the first plate member 21C and the second plate member 22C of floor member 2C are opened and closed. Furthermore, since floor member 2C is connected to floor members 2B, 2D, and 2E by interlocking rods 41B, 41C, 41D, and 41E respectively, floor members 2B, 2D, and 2E are opened and closed. In other words, floor members 2A to 2E are connected by interlocking rods 41A to E, so they open and close in conjunction.

[0023] Here, as shown in Figure 3, in this embodiment, the floor members 2A to 2E are arranged in a staggered pattern. In other words, floor members 2A and 2C adjacent to each other in the X-axis direction are offset by half a space in the Y-axis direction. As a result, when floor member 2A and floor member 2B are linked by the interlocking rod 41A arranged along the X-axis direction, floor member 2C and floor member 2B are linked by the interlocking rod 41B, and consequently, floor members 2A and 2B adjacent to each other in the Y-axis direction are linked. That is, in this embodiment, the interlocking rod 41 is configured to link floor members 2 adjacent to each other in the X-axis direction and floor members 2 adjacent to each other in the X-axis direction and floor members 2 adjacent to each other in the Y-axis direction. In other words, the multiple floor members 2 in this embodiment are linked by the interlocking rod 41 along the X-axis direction, so that their opening and closing are linked in the X-axis direction and the Y-axis direction.

[0024] [Regarding the operation of roadbed material 1] Next, we will explain the operation of the roadbed material 1. Figures 5 and 6 show the operation of the roadbed material 1. Figure 5 shows the floor member 2 in the first position, and Figure 6 shows the floor member 2 in the second position. In this embodiment, the first position is defined as the orientation in which the working surface 211 of the first plate member 21 and the working surface 221 of the second plate member 22 are substantially parallel to the horizontal plane. The second position is defined as the orientation in which the plate member is bent so that the working surface 211 of the first plate member 21 and the working surface 221 of the second plate member 22 intersect. Furthermore, the statement that the working surface 211 of the first plate member 21 and the working surface 221 of the second plate member 22 are substantially parallel to the horizontal plane is not limited to the case where they are perfectly parallel, but includes a range in which they can be perceived as parallel.

[0025] As shown in Figure 5, the first plate member 21 and the second plate member 22 are in a first position when a stress P is acting on the working surface 211 or the working surface 221 of the first plate member 21 or the working surface 221 of the second plate member 22, for example, when a stress P is acting on the working surface 211 of the first plate member 21 or the working surface 221 of the second plate member 22 by the foot of a pedestrian H, the first plate member 21 or the second plate member 22 on which the stress P is acting rotates due to the stress P and assumes the first position.

[0026] In this case, as described above, the floor members 2 that are positioned along the X-axis and Y-axis directions relative to the floor member 2 on which the stress P acts are connected by the interlocking rod 41, and rotate in conjunction with the floor member 2 on which the stress P acts, thereby achieving the first position. In this case, adjacent floor members 2 in the X-axis and Y-axis directions are connected by interlocking rods 41, so the amount of rotation decreases according to the number of connection stages. In other words, the amount of rotation of a floor member 2 that is not subjected to stress P changes depending on its distance from the floor member 2 that is subjected to stress P, causing it to rotate to the first position.

[0027] Therefore, in this embodiment, as shown in Figure 1, the floor members 2 within a predetermined range from the floor member 2 on which stress P is acting due to the pedestrian H are configured to rotate to a first position. Specifically, the floor members 2 located within a radius L from the floor member 2 on which stress P is acting are configured to rotate. As a result, the floor members 2 are in the first position near the pedestrian H and in the second position at locations away from the pedestrian H, as will be described later. In other words, near the pedestrian H, no opening O is created between adjacent floor members 2 in the X-axis direction, while at locations away from the pedestrian H, an opening O is created between the floor members 2. In this embodiment, the play in the connecting mechanism 4 is adjusted so that the radius L is approximately 2m, taking into consideration the reach of a white cane used by a visually impaired person when walking.

[0028] In this embodiment, in the first position where stress P is acting, the first plate member 21 and the second plate member 22 are supported by the beam portion 313, the first support member 33, and the second support member 34 of the support column 31. In this case, as shown in Figure 5, in a side view, a triangle is formed by the column body portion 311, the first plate member 21, and the first support member 33, and another triangle is formed by the column body portion 311, the second plate member 22, and the second support member 34. In other words, the floor member 2 is supported by a truss structure composed of the column body portion 311, the first support member 33, and the second support member 34. As a result, even if a strong stress P acts on the floor member 2, the stress P is distributed by the truss structure, thus preventing damage to the floor member 2.

[0029] Furthermore, in this embodiment, a triangular truss structure is formed by the first support member 33, the third support member 35, and the first plate member 21, and a triangular truss structure is formed by the second support member 34, the fourth support member 36, and the second plate member 22. In this way, a double truss structure is formed, which allows for better distribution of stress P and further suppresses damage to the floor member 2.

[0030] Next, if the stress P acting on the floor member 2 disappears, for example, when a pedestrian H moves, the floor member 2 rotates from the first position to the second position due to the weight of the weight portion 32, as shown in Figure 6. Specifically, the first weight portion 321 and the second weight portion 322 of the weight portion 32 move in the Z-axis direction due to their own weight. In other words, the first weight portion 321 and the second weight portion 322 fall downward in the vertical direction. As a result, the first support member 33 supported by the first weight portion 321 swings, and the first plate member 21 supported by the first support member 33 rotates. Furthermore, the second support member 34 supported by the second weight portion 322 swings, and the second plate member 22 supported by the second support member 34 rotates. As a result, the floor member 2 bends so that the working surface 211 of the first plate member 21 and the working surface 221 of the second plate member 22 intersect, causing the floor member 2 to rotate to the second position. In other words, the floor member 2 rotates from the first position to the second position due to the weight of the weight portion 32.

[0031] In this case, the first plate member 21 and the second plate member 22 form an inverted V shape, so an opening O (see Figure 1) is formed between adjacent floor members 2 in the X-axis direction. Thus, in this embodiment, when no stress P is acting on the floor member 2, the floor member 2 rotates due to the weight of the weight portion 32, causing the floor member 2 to assume a second position and forming the opening O.

[0032] In the first embodiment described above, the following effects can be achieved. (1) In this embodiment, the floor member 2 is supported by a truss structure consisting of a first support member 33 and a second support member 34, in addition to a support column 31 provided along the Z-axis direction. As a result, even if a strong stress P acts on the working surfaces 211, 221 of the floor member 2, the stress P is distributed to the truss structure consisting of the support column 31, the first support member 33, and the second support member 34 via the first plate member 21 and the second plate member 22. Therefore, damage to the floor member 2 can be suppressed even if a strong stress P is applied.

[0033] (2) In this embodiment, since the first plate member 21 and the second plate member 22 are rectangular in shape when viewed from above, the design of the roadbed material 1 can be made easier.

[0034] (3) In this embodiment, a triangular truss structure is formed by the first support member 33, the third support member 35, and the first plate member 21, and a triangular truss structure is formed by the second support member 34, the fourth support member 36, and the second plate member 22, so that the stress P can be distributed more evenly and damage to the floor member 2 can be further suppressed.

[0035] [Second Embodiment] Next, a second embodiment of the present invention will be described. The second embodiment differs from the first embodiment in that it includes a gap prevention mechanism 5A. In the second embodiment, components that are the same as or similar to those in the first embodiment are denoted by the same reference numerals, and their descriptions are omitted.

[0036] Figure 7 is a schematic side view of the roadbed material 1A of the second embodiment, and Figure 8 is a schematic cross-sectional view of the roadbed material 1A of the second embodiment. As shown in Figures 7 and 8, the roadbed material 1A comprises a floor member 2, a support mechanism 3, a connecting mechanism (not shown), and a gap prevention mechanism 5A.

[0037] [Gap prevention mechanism 5A] The gap prevention mechanism 5A is a mechanism that prevents gaps from forming between adjacent floor members 2 in the X-axis direction. As shown in Figures 7 and 8, the gap prevention mechanism 5A includes a gap prevention plate 51A and an elastic member 52A.

[0038] The gap-preventing plate 51A is positioned such that one end is inserted into a groove 212 formed in the first plate member 21 of the floor member 2, and the other end protrudes from the groove 212. The elastic member 52A is a so-called spring member and is positioned in the groove 212 of the first plate member 21. The elastic member 52A biases the gap-preventing plate 51A in a direction that causes it to protrude from the groove 212. As a result, the gap-preventing plate 51A is configured to abut against the side surface of the second plate member 22 of adjacent floor members 2 in the X-axis direction when the floor member 2 is in a first position. This prevents gaps from forming between adjacent floor members 2 in the X-axis direction when the floor member 2 is in a first position. Therefore, for example, when a pedestrian H walks on the roadbed material 1A, it is possible to prevent them from tripping or getting caught in gaps between adjacent floor members 2 in the X-axis direction.

[0039] In the first embodiment described above, the following effects can be achieved. (4) In this embodiment, a gap prevention mechanism 5A is provided which includes a gap prevention plate 51A and an elastic member 52A, so that when the floor member 2 is in the first position, it is possible to prevent gaps from forming between adjacent floor members 2 in the X-axis direction.

[0040] [Differentiation] It should be noted that the present invention is not limited to the embodiments described above, and any modifications, improvements, etc., that can achieve the objectives of the present invention are included in the present invention.

[0041] Figure 9 is a schematic perspective view showing a portion of the modified roadbed material 1B. As shown in Figure 9, the first plate member 71B and the second plate member 72B of the roadbed material 1B are triangular in plan view. This allows for a larger opening area in the second orientation compared to when the first plate member 71B and the second plate member 72B are rectangular. Therefore, it is possible to drain rainwater and other liquids through this opening.

[0042] In the embodiments described above, the floor members 2,7B within a predetermined range from the floor member 2,7B on which stress P is acting are configured to rotate from a second position to a first position, but the invention is not limited to this. For example, if the length of the roadbed material in the X-axis direction is about 3 to 5 m, the invention may be configured so that when stress acts on the surface of one floor member, all the other floor members rotate from a second position to a first position.

[0043] In the embodiments described above, the roadbed materials 1, 1A, and 1B were configured as roadbed materials that block side ditches, but the invention is not limited to this. For example, they may be configured as roadbed materials that block so-called common trenches for laying water pipes, gas pipes, electric wires, etc. By configuring them in this way, maintenance of water pipes, etc. laid in the trench members can be made easier. [Explanation of Symbols]

[0044] 1,1A,1B...Road base material, 2,2A,2B,2C,2D,2E...Floor member, 3...Support mechanism, 4...Connection mechanism, 5A...Gap prevention mechanism, 21,21A,21B,21C,21D,21E...First plate member, 2 2,22A,22B,22C,22D,22E...second plate member, 31...support column, 32...weight part, 33...first support member, 34...second support member, 35...third support member, 36...fourth support member, 37...roller - Members, 41, 41A, 41B, 41C, 41D, 41E... Interlocking rods, 51A... Gap prevention plate, 52A... Elastic member, 71B... First plate member, 72B... Second plate member, 100... Sidewalk, 200... Groove member, 211, 221... Working surface, 212... Groove section, 311, 311B... Column body section, 312, 312B... Leg section, 313... Beam section, 313B... Top section, 321... First weight section, 322... Second weight section, H... Pedestrian (passing body).

Claims

1. Multiple floor members having surfaces on which stress is applied by a passing object, A support mechanism that supports multiple floor members, It comprises a connecting mechanism for connecting multiple floor members, Each of the aforementioned floor members has a first plate member and a second plate member adjacent to the first plate member. The connecting mechanism has interlocking rods that connect adjacent floor members in a first direction perpendicular to the vertical direction, The support mechanism comprises a support column provided along the vertical direction, a weight portion supported so as to be slidable vertically with respect to the support column, and a first support member and a second support member supported so as to be swingable on the weight portion. The multiple floor members are connected by the connecting mechanism and are configured to be rotatable between a first position in which the working surface of the first plate member and the working surface of the second plate member are substantially parallel to the horizontal plane, and a second position in which the floor members are bent so that the working surface of the first plate member and the working surface of the second plate member intersect. They are configured to rotate from the second position to the first position due to the stress acting on the working surfaces, and to rotate from the first position to the second position due to the weight of the weight portion. The support mechanism supports the floor member by the support column and the floor member by a truss structure composed of the first support member and the second support member. A roadbed material having a rainwater storage function, characterized by the following features.

2. In the roadbed material having a rainwater storage function as described in claim 1, The first plate member and the second plate member are rectangular in shape when viewed from above. A roadbed material having a rainwater storage function, characterized by the following features.

3. In the roadbed material having a rainwater storage function as described in claim 1, The first plate member and the second plate member are triangular in shape when viewed from above. A roadbed material having a rainwater storage function, characterized by the following features.

Images