JP2006257833A - Roadside wall - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a roadside wall which enables water to be efficiently sprinkled on a road surface even if sprinkled over a long-distance range. <P>SOLUTION: A wall section 14 of a sound insulation wall 12 is installed in the lateral direction of an expressway 10, and a receiving section 16 is arranged above the wall section 14. During rainfall time, rainwater flows into a piping section 20 from the receiving section 16 after being received by the receiving section 16, and is guided for storage to an in-piping lower part in the piping section 20. The stored rainwater is sprinkled on the road surface by making an on-off valve 26 opened in a water sprinkling section 24. This enables the water to be efficiently sprinkled on the road surface even if sprinkled over the long-distance range. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a road side wall installed on a side of a road.

  In road surface watering performed for road surface cooling or the like, a watering wheel may be used to carry a large amount of water (see, for example, Patent Document 1). In such road surface sprinkling, the water truck is sprinkling water on the road surface while traveling.

However, in this conventional road surface watering, for example, when the watering range extends over a long distance such as an expressway, watering efficiency is poor.
JP-A-11-350443

  In view of the above facts, an object of the present invention is to provide a road side wall capable of efficiently watering the road surface even when the watering range is long.

  The road side wall of the present invention described in claim 1 is a wall portion installed on a side of a road, a receiving portion that is attached to the wall portion and receives rainwater, and guides rainwater from the receiving portion to a lower portion in the pipe. It has a piping part which stores water, and a sprinkling part which is connected to the lower part of the piping part, has an openable / closable valve, and sprays rainwater stored in the pipe of the piping part on the road surface.

  According to the road side wall of the present invention described in claim 1, rainwater received by the receiving part on the side of the road is led to the pipe lower part in the pipe part and stored. Rainwater stored in the pipe of the piping part is sprinkled on the road surface by opening the on-off valve in the watering part. Thereby, even when the watering range extends over a long distance, water can be efficiently sprayed on the road surface.

  The road side wall according to a second aspect of the present invention is characterized in that, in the configuration according to the first aspect, at least a part of the pipe portion is disposed on the back side of the wall portion.

  Here, the back side of the wall portion refers to a side opposite to the road side surface of the wall portion.

  According to the road side wall of the present invention described in claim 2, since at least a part of the piping part is arranged on the back side of the wall part, the installation of the piping part becomes easy.

  As described above, according to the road side wall of the present invention, there is an excellent effect that water can be efficiently sprayed on the road surface even when the watering range extends over a long distance.

  An embodiment of a road side wall in the present invention will be described with reference to the drawings. In the figure, the opposite side with respect to the highway 10 side with the sound insulation wall (road side wall) 12 being sandwiched is shown as 100 on the opposite side.

  As shown in FIG. 1, a wall portion 14 of a sound insulation wall 12 is installed on the side of the highway 10. The wall portion 14 is supported via a frame (not shown) on pillars (not shown) standing on the side of the highway 10 at predetermined intervals.

  As shown in FIG. 2, the wall portion 14 has a sound absorbing material 14 </ b> A disposed therein. The sound absorbing material 14A is attached to the back side of a metal surface cover 14B arranged facing the highway 10 side (noise source side). The surface cover 14B has a large number of through holes (not shown). Is formed. The back side and the top, bottom, left, and right of the sound absorbing material 14A are covered with a metal back cover 14C that is processed to have a substantially U-shaped cross section. The end of the back cover 14C is connected to the end of the front cover 14B, and the front cover 14B and the back cover 14C constitute a housing case for the sound absorbing material 14A. Thereby, the wall part 14 blocks the noise generated on the highway 10 side.

  As shown in FIGS. 1 and 2, a receiving portion 16 that receives rainwater is disposed above the wall portion 14. The receiving part 16 is made into a container shape, the upper part is opened, and it becomes the intake part 16A. As shown in FIG. 2, the side portion of the receiving portion 16 on the highway 10 side is a roadside inclined portion 16B whose upper portion is inclined toward the highway 10 side (right side in FIG. 2). The upper part is located on the highway 10 side (right side in FIG. 2) from the surface cover 14B of the wall part 14. An outer inclined portion 16C that is inclined to the side opposite to the road-side inclined portion 16B is formed on the side of the receiving portion 16 on the side opposite to the road 100, and the upper portion of the outer inclined portion 16C is the back of the back cover 14C of the wall portion 14 It is located on the side 100 opposite to the road (left side in FIG. 2).

  A bottom portion 16D parallel to the upper end surface of the wall portion 14 is formed from the lower end of the road-side inclined portion 16B, and the bottom portion 16D is fixed to the upper end portion of the wall portion 14 by a fixing bracket (not shown).

  A projecting portion 18 projecting vertically downward is formed on the side opposite to the road 16 from the bottom 16D and on the highway 10 side from the outer inclined portion 16C. A through hole 18A for draining rainwater is formed through the lower portion of the protrusion 18 so that rainwater received by the receiving portion 16 can be discharged from the through hole 18A. A filter 19 is disposed in the through hole 18A.

  A piping portion 20 is disposed below the through hole 18A of the protruding portion 18. The piping part 20 is provided with the inflow part 21, the vertical pipe 22, and the water supply header 23, and these are made from resin in this embodiment. The inflow portion 21 is fixed to the back side of the wall portion 14 by a fixing bracket (not shown), and has a rectangular box shape extending in the lateral direction of the wall portion 14 as shown in FIG. As shown in FIG. 2, the upper portion of the inflow portion 21 is open, and the protruding portion 18 is inserted. The inflow part 21 and the protrusion part 18 are connected and fixed by a fixing means 40, and the inflow part 21 can once collect rainwater received and discharged by the receiving part 16.

  An overflow drain port 21 </ b> B is formed at the upper part of the back surface side (the anti-road side 100) of the inflow portion 21. 21 C of guide parts which determine the outflow direction of waste_water | drain are provided in the upper and lower sides of the overflow outlet 21B. Thereby, when a large amount of rainwater flows into the pipe of the pipe part 20, the rainwater overflows from the overflow drain port 21B of the inflow part 21 and is drained through a drainage path (not shown). .

  As shown in FIG. 1, the upper ends of a plurality of vertical pipes 22 are connected to the bottom of the inflow portion 21 through the bottom. FIG. 3 shows a state before and after the connection between the inflow portion 21 and the vertical pipe 22. As shown in FIG. 3 (A), in the socket 21D of the inflow portion 21, a grab ring 21E having a claw portion, a washer 21F, and a countermeasure against water leakage are provided to strengthen the connection with the vertical pipe 22. The O-ring 21G is sequentially inserted and arranged, and a cap 21H screwed to the socket 21D supports these. When the vertical pipe 22 shown in FIG. 3B is inserted inside the cap 21H of the inflow portion 21, the outer peripheral surface of the vertical pipe 22 is bitten by the claw portion of the grab ring 21E, and the vertical pipe 22 enters the inflow portion 21. It is designed to be connected. A collar 22 </ b> A is fitted inside the front end of the vertical pipe 22.

  As shown in FIG. 1, the vertical pipes 22 extend in the vertical direction, and are arranged in a line along the lateral direction of the wall portion 14 on the back side (the anti-road side 100) of the wall portion 14. . The total volume in each vertical pipe 22 (as compared to the case where the vertical pipes 22 are arranged with a wide interval by stretching a plurality of vertical pipes 22 on the back side of the wall portion 14 (the opposite road side 100) ( Rainwater storage capacity is increasing. The vertical pipes 22 are each independent, but in some cases, the vertical pipes 22 may be bundled together.

  The lower end of the vertical pipe 22 is inserted into and connected to a plurality of receiving ports formed in the upper part of the water supply header 23. The connection between the vertical pipe 22 and the water supply header 23 has the same connection structure as the connection between the vertical pipe 22 and the inflow portion 21. In addition, as shown in FIG. 2, a valve 42 that opens only inside the water supply header 23 is attached to the receiving port of the water supply header 23, and the vertical pipe 22 is an inlet of the water supply header 23. When the vertical pipe 22 is inserted into the receptacle of the water supply header 23, it is pressed and opened.

  The water supply header 23 is fixed to the back side of the wall portion 14, and the bottom portion of the water supply header 23 is at a certain height from the installation surface of the wall portion 14. In the present embodiment, the bottom side of the water supply header 23 is not supported by other members. However, for example, the bottom side of the water supply header 23 may be supported by a support stand installed on the ground. As shown in FIG. 1 and FIG. 2, the water supply header 23 has a rectangular tubular shape whose axial center extends in the lateral direction of the wall portion 14, and rainwater guided to each vertical pipe 22 flows into the pipe portion 20. The water is once collected in the lower water supply header 23.

  Here, in the sound insulation wall 12 of this embodiment, since the piping part 20 is arrange | positioned at the back side (anti-road side 100) of the wall part 14, installation of the piping part 20 becomes easy. In addition, the connection of the inflow section 21, the vertical pipe 22, and the water supply header 23 in the piping section 20 is a one-touch type water supply / drainage pipe system (for example, “Push Lock” manufactured by Bridgestone Corporation) used in a building structure. The system can be easily connected.

  As shown in FIG. 1, a plurality of water spray parts 24 are connected to a water supply header 23, which is a lower part of the pipe part 20, at a predetermined interval. The water sprinkling part 24 is disposed at a position higher than the installation surface of the sound insulation wall 12. An opening / closing valve 26 that can be opened and closed is disposed in the watering portion 24, and the opening / closing valve 26 is attached to an attachment portion 23 </ b> A (see FIG. 2) on the wall portion 14 side of the water supply header 23. The on-off valve 26 is an electromagnetic valve that opens and closes by the operation of a solenoid unit (not shown).

  In the present embodiment, the on-off valve 26 is connected to the receiving unit 32 via the control unit 30 attached to the surface cover 14B of the wall 14 as shown in FIG. When the receiving unit 32 receives an instruction signal transmitted from a remote controller (not shown), the control unit 30 issues a command to open / close the on / off valve 26, and the on / off valve 26 is opened / closed by the operation of a solenoid unit (not shown). Thus, it is possible to open and close (open and close by remote operation) the on-off valve 26 using radio waves.

  The water sprinkling part 24 is provided with a water sprinkling pipe 28, which is attached to a mounting part on the output side of the on-off valve 26 and penetrates the wall part 14 in the horizontal direction. The water spray port 28 </ b> A of the water spray pipe 28 protrudes from the surface cover 14 </ b> B of the wall portion 14 and is disposed at a position higher than the road surface of the highway 10.

  Next, the operation of the above embodiment will be described.

  When it rains, rainwater is received by the receiving portion 16 above the wall portion 14 on the side of the highway 10. This rainwater is drained from the through-hole 18A of the protrusion 18 and guided to the lower part in the pipe by the pipe part 20 to be stored. Here, when a large amount of rainwater flows into the piping part 20, the rainwater overflows from the overflow drain 21 </ b> B at the upper part (inflow part 21) of the piping part 20 and is drained through a drainage path (not shown). .

  When watering the road surface is necessary, such as when it is necessary to cool the road surface, for example, an instruction to open the on-off valve 26 with a remote control is transmitted from a traveling vehicle (or management office) for road inspection. To do. When the receiving unit 32 receives the instruction signal, the control unit 30 issues a command to open the on-off valve 26, and the on-off valve 26 is opened by the operation of a solenoid unit (not shown). As a result, rainwater stored in the pipe of the pipe section 20 is sprinkled through the sprinkling pipe 28 and sprinkled from the sprinkling port 28 </ b> A onto the road surface of the highway 10. Thereby, even when the watering range extends over a long distance, water can be efficiently sprayed on the road surface.

  In addition, according to this embodiment, since the receiving part 16, the piping part 20, and the water sprinkling part 24 are each conveyed to the installation place of the wall part 14, it is comparatively easy to connect these, Therefore The wall part 14 The retrofitting work can be relatively easy.

  Next, a second embodiment of a sound insulation wall as a road side wall will be described. In the first embodiment, the case where the on-off valve 26 is opened and closed by the remote controller has been described. However, the second embodiment is a form in which the on-off valve is opened and closed by a thermostat. In addition, since it is the structure substantially the same as 1st Embodiment about another point, while referring to FIG.1 and FIG.2 also in this embodiment, description is abbreviate | omitted about the same member.

  In the sound insulation wall 12 according to the second embodiment, a thermostat (not shown) is disposed on or around the highway 10 near the wall portion 14, and this thermostat is used as a solenoid portion (not shown) of the on-off valve 26. Connected. When the temperature of the installation location of the thermostat (road surface temperature or ambient temperature) exceeds a preset temperature (for example, 45 ° C), it is set so that the switch is turned on. The on-off valve 26 is opened by the operation (not shown).

  In addition, as a thermostat, it is good to apply the bimetal type | mold (a metal with a high expansion coefficient extends and a bend switch turns on when two types of metal plates with different thermal expansion coefficients are bonded together and the temperature is increased).

  Next, a third embodiment of a sound insulation wall as a road side wall will be described. In the third embodiment, the on-off valve opens and closes based on the temperature detected by the temperature sensor. Since other configurations are substantially the same as those of the first embodiment, also in this embodiment, reference is made to FIGS. 1 and 2 and description of the same members is omitted.

  In the on-off valve 26 according to the third embodiment, a solenoid unit is connected to a temperature sensor (not shown) via the control unit 30.

  The temperature sensor is disposed on or around the highway 10 near the wall 14, and the temperature (road surface temperature or ambient temperature) detected at the installation location is equal to or higher than a preset temperature (for example, 45 ° C.). In this case, an ON signal is sent from the control unit 30 to the solenoid unit so that the on-off valve 26 is opened, whereby rainwater is sprinkled on the road surface.

  On the other hand, when the temperature (road surface temperature or ambient temperature) detected at the installation location is lower than a preset temperature (for example, 45 ° C.), an off signal is sent from the control unit 30 to the solenoid unit and the on-off valve 26 is closed. In this way, watering of rainwater on the road surface is stopped.

  In the third embodiment, a temperature sensor is connected to the control unit 30, but a humidity sensor is connected to the control unit 30, and the humidity sensor is disposed on or around the highway 10, When the humidity is below a certain level, an on signal may be sent from the control unit 30 to the solenoid unit to open the on-off valve 26. In addition, a timer may be connected to the control unit 30, and an on signal may be sent from the control unit 30 to the solenoid unit at a certain period based on the timer to open the on-off valve 26.

  Next, a fourth embodiment of a sound insulation wall as a road side wall will be described with reference to FIGS. 4 and 5. In the fourth embodiment, the on-off valve can be manually opened and closed. About another point, since it is the structure substantially the same as 1st Embodiment, description is abbreviate | omitted about the same member.

  As shown in FIG. 4, the water sprinkling part 24 includes water sprinkling pipes 29 arranged at predetermined intervals along the lateral direction of the wall part 14, and these water sprinkling pipes 29 are on the wall part 14 side of the water supply header 23. Are attached to the water supply header 23 and penetrate the wall portion 14 in the horizontal direction and protrude toward the highway 10 side.

  Here, in the present embodiment, as shown in FIG. 5, the mounting portion 23 </ b> A is a cylindrical projecting portion in which a thread groove is formed on the outer periphery, and the thread groove is also formed on the inner periphery of the sprinkling tube 29 on the mounting side. The water sprinkling pipe 29 and the attachment portion 23A are screwed together to connect the water supply header 23 and the water sprinkling pipe 29, but the connection between the water supply header 23 and the water sprinkling pipe 29 is not limited to this, For example, it is good also as a structure similar to the connection structure of the inflow part 21 and the vertical pipe 22 which were demonstrated in 1st Embodiment.

  As shown in FIG. 5, a cock 27 as an on-off valve that constitutes a part of the water sprinkling part 24 is attached to the pipe of the water sprinkling pipe 29. The cock 27 is disposed on the highway 10 side of the surface cover 14B, and the conduit 27 can be opened and closed by turning the handle 27A shown in FIG. The tip of the sprinkling pipe 29 is a sprinkling port 29 </ b> A and is disposed at a position higher than the road surface of the highway 10.

  Here, when watering to the road surface becomes necessary, such as when the road surface needs to be cooled, the handle 27A of the cock 27 is turned to open the pipe of the watering pipe 29, so that the pipe portion 20 Rainwater in the pipe is sprinkled on the road surface of the highway 10 from the water spout 29 </ b> A of the sprinkler pipe 29.

  In addition, in the said 1st-4th embodiment, although the receiving part 16 was arrange | positioned above the wall part 14, you may arrange | position to the side of the wall part 14. FIG.

  Moreover, in the said 1st-4th embodiment, although the receiving part 16 for rainwater reception was fixed to the wall part 14, what is called a branch type sound-insulating wall (the 1st branch wall which inclines to the sound source side at the upper end of a wall part is provided. The rainwater may be taken in using the upper part of the Y-shaped cross section of the sound insulation wall provided with the second branch wall inclined to the side opposite to the sound source side as a receiving part, or a so-called reindeer type sound insulation wall (the first sound insulation wall). And a Y-section of a sound insulation wall provided with a re-branching wall that re-branches in a direction different from the branch wall on the second branch wall (see, for example, Japanese Patent Laid-Open Nos. 8-85921 and 2001-172922). Rainwater may be taken in using the upper part of the shape as a receiving part.

  Furthermore, although the case where the piping part 20 is arrange | positioned in the back side of the wall part 14 was demonstrated in the said 1st-4th embodiment, you may arrange | position the piping part 20 inside the wall part 14. FIG.

  Furthermore, in the first to fourth embodiments, the case where the sound insulating wall 12 is applied as a road side wall has been described as an example, but a road side wall in which the sound absorbing material 14A or the like is not disposed may be used. Moreover, it is good also considering the existing sound-insulating wall as a wall part, and attaching a receiving part, a piping part, and a watering part as a road side wall of this invention.

  In addition, in the said 1st-4th embodiment, although the piping part 20 is piped by the inflow part 21, the vertical pipe 22, and the water supply header 23, piping in a piping part is not limited to this, Various Can be applied. For example, if there is a place where water needs to be sprayed frequently on the road, piping may be provided so that water can be collected on the side of the road. Moreover, in the said embodiment, although the vertical pipe 22 is stretched around the back side (anti-road side 100) of the wall part 14, you may widen the space | interval of the vertical pipes 22 according to watering frequency.

It is a perspective view which shows the sound insulation wall which concerns on the 1st Embodiment of this invention. (The wall portion is indicated by a two-dot chain line, and the pipe portion and the water sprinkling portion are seen through.) FIG. 2 is a cross-sectional view corresponding to a cross section taken along line 2-2 of FIG. It is sectional drawing which shows the state before and behind the connection of an inflow part and a vertical pipe. FIG. 3A shows a state before connection. FIG. 3B shows a state after connection. It is a perspective view which shows the sound insulation wall which concerns on the 4th Embodiment of this invention. (The wall portion is indicated by a two-dot chain line, and the pipe portion and the water sprinkling portion are seen through.) FIG. 5 is a cross-sectional view corresponding to a cross section taken along line 5-5 of FIG.

Explanation of symbols

10 Expressway (road)
12 Sound insulation wall (roadside wall)
14 Wall part 16 Receiving part 20 Piping part 24 Watering part 26 On-off valve 27 Cock (on-off valve)

Claims (2)

A wall installed on the side of the road;
A receiving portion attached to the wall portion for receiving rainwater;
A piping part for guiding rain water from the receiving part to the lower part of the pipe and storing the water;
A sprinkler connected to the lower part of the pipe part, provided with an openable / closable valve, for spraying rainwater stored in the pipe of the pipe part on the road surface,
A road side wall characterized by comprising:   The road side wall according to claim 1, wherein at least a part of the pipe portion is disposed on a back side of the wall portion.

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