JP7229524B2 - Cage of earth and sand for gutter - Google Patents

Description

The present invention is attached to a gutter installed, for example, on a forest road, a slope, a roadside, etc., and the earth and sand, garbage, leaves, etc. that flow into the gutter from the upstream side or from the side (these earth, sand, garbage, leaves, etc.) In the present specification, it is simply referred to as “earth and sand.” Therefore, in the present invention, earth and sand includes garbage other than earth and sand, and solid matter mixed in with rainwater, such as tree leaves.).

The side wall is often provided with a cistern for depositing sediment mixed with rainwater and preventing the sediment from flowing downstream.
Patent Document 1 below describes a device for removing sediment that flows into and accumulates in a catch basin of a side ditch. A leg part that is grounded and supported on the bottom surface of the water basin, a sediment collection net attached to the frame downward from the upper opening of the frame, and an earth and sand collection net attached around the upper opening of the frame. The net consists of a string member for tying the net to a frame, and is attached to a water collecting basin to collect rainwater mixed with earth and sand flowing into the water collecting basin, and the earth and sand accumulated in the net are removed together with the net by untying the string member. An apparatus is disclosed that enables.

JP 2014-058804 A

According to the sediment removing device disclosed in Patent Document 1, sediment mixed with rainwater that has flowed into a catch basin is collected, sediment deposited in the net is removed together with the net, and the sediment can be easily and safely disposed of. However, it takes time and effort to install the frame on the catch basin and to attach and detach the net. In addition, the net is easily deformed, and if it swells with accumulated earth and sand and becomes heavy, it becomes difficult to remove it from the frame. It is not easy, and troubles tend to occur.

SUMMARY OF THE INVENTION An object of the present invention is to provide an earth and sand collection basket which is attached to a side ditch and which can be easily attached to and detached from the side ditch.

The invention according to claim 1 is an earth and sand collection basket detachably attached to a downstream groove having a depth that is at least twice as deep as the upstream groove and connecting to the upstream groove to form a step. a rectangular box or a substantially rectangular box installed in the step so as to be lower than the groove bottom of the upstream groove, and a rectangular box arranged along the longitudinal direction of the downstream groove so as to be lower than the groove bottom of the upstream groove. Including another rectangular box or substantially rectangular box provided, at least the part constituting the outline of the box is made of metal or hard synthetic resin and has rigidity, or the part constituting the outline is made of metal or hard synthetic resin is attached to the box, the upper surface of the hexahedron constituting the box is open, and of the walls constituting each surface other than the upper surface, at least the bottom is formed of a net or a porous wall.

The invention according to claim 2 is the invention according to claim 1, wherein both side walls of the downstream groove are inclined so as to widen upward, and the inclined downstream groove includes a receiving member and a receiving member. A horizontal support portion projecting into the downstream groove from the receiving material is provided below the material, and the receiving material attached to the inclined downstream groove has a vertical inner surface and is inserted between the receiving materials from above. The earth and sand collection basket is characterized in that the whole including the wall portion has high rigidity and is supported by being locked to the support portion.

The invention according to claim 3 is characterized in that, in the invention according to claim 1, the earth and sand collection basket is installed by being attached to the bottom of the downstream ditch,
The invention according to claim 4 is the invention according to claim 1, wherein the earth and sand collection basket comprises a bottom wall and side walls on both sides of the bottom wall, and both side walls of the downstream ditch widen upward. and is inserted into the downstream groove from above.

The invention according to claim 5 is the invention according to claim 1, wherein at least the bottom wall and side walls in the flow direction of the earth and sand collection basket are net or perforated walls, and a pedestal is installed at the bottom of the downstream groove. A water channel is formed inside and outside the pedestal at the bottom of the earth and sand collection basket installed on the pedestal. The invention according to claim 6 is characterized in that, in the invention according to claim 5, the box has a water stop plate on a downstream side surface of the hexahedron.

According to the first aspect of the invention, the earth and sand collection cage can be removed from the gutter when necessary, the earth and sand accumulated in the earth and sand can be removed and cleaned, and after the earth and sand is removed, it can be easily returned to the gutter. Since the part including the outline of is made of metal or hard synthetic resin and has high rigidity, it is difficult for the whole to be deformed even if the earth and sand accumulate, and the necessary baskets can be selected from among the cages installed side by side along the gutter. It is possible to easily take out the basket and attach the basket to an empty portion of the basket.

According to the second aspect of the invention, since the cage as a whole has high rigidity, it can be easily inserted from above between the receiving members provided on both side walls of the side ditch and supported by the support portion, so that the cage can be placed under the cage. A channel is formed in the side ditch, and the rainwater sieved from the bottom of the basket flows out through the channel.

According to the third aspect of the invention, the cage can be installed simply by placing it on the bottom of the side ditch, and the work for mounting is simple, and neither mounting fixtures nor mounting tools are required.
According to the fourth aspect of the present invention, the cage can be installed by wedging the edge of the lower end of the cage into the side wall only by pushing it into the inclined side ditch from above, and a waterway is formed under the cage that has been installed. can do.

According to the fifth aspect of the invention, the basket can be attached simply by placing it on the pedestal installed at the bottom of the gutter, and rainwater filtered by the basket can be discharged through the water channels inside and outside the pedestal. can.

FIG. 2 is a vertical cross-sectional view of a side ditch to which the earth and sand collection basket according to the present invention is attached; Sectional drawing in the AA line of the side ditch shown in FIG. Sectional drawing in the BB line of the side ditch shown in FIG. Sectional drawing in the CC line of the side ditch shown in FIG. Sectional drawing in the DD line of the side ditch shown in FIG. Sectional drawing in the EE line of the side ditch shown in FIG. FIG. 4 is an enlarged cross-sectional view of part a in FIG. 3 ; Sectional drawing of the receiving cage which combined a pair of receiving cages and set it as one set.

The gutter 1 shown in FIG. 1 is connected to the gutter 1a on the upstream side, the gutter 1b on the downstream side connected to the gutter 1a with a downward step, and the gutter 1b on the downstream side with a step. It consists of a side groove 1c formed in a stepped shape. Each of the side grooves 1a, 1b, and 1c has a substantially U-shaped cross section in which the left and right side walls are inclined to widen upward as shown in FIGS. As shown in FIG. 6, they have the same cross-sectional shape.

The gutter 1b has an upper end on the same level as the gutter 1a, a bottom surface flush with the bottom surface of the gutter 1c, and a depth to the bottom of the gutter 1b that is greater than the depth of the gutter 1a, 1c, and is about twice as large.
The side ditch 1b also has angle members 2 fixed to the lower left and right side walls of the side ditch 1b by chemical anchors 3 (FIG. 7). A wedge-shaped receiving member 5 is mounted on the horizontal portion of the angle member 2 along the inner surface of the inclined side wall 1d. In this attached state, the inner surface of the support member 5 is vertical, and the horizontal portions 2a of the angle members 2 attached to corresponding positions on both side walls of the side groove 1b protrude inward from the support member 5, respectively. A horizontal portion 2a that protrudes into the gutter from the receiving material 5 serves as a support portion for the earth and sand box 6. As shown in FIG.

Between the vertical inner surfaces of the left and right receiving members 5 mounted on the horizontal portion 2a of the angle member 2, an earth and sand box 6 as a basket for collecting earth and sand, which will be described later, is inserted from above. are engaged with and supported by the horizontal portions 2a of the angle members protruding inward from the receiving members 5 attached to the left and right side walls of the side ditch 1b.

In the figure, 7 is a closing plate that is applied to the end of the gutter 1a from below and hangs down to close the step with the gutter 1b. It is a closing plate that closes the step.

The earth and sand box 6 as a cage for collecting earth and sand is a rectangular parallelepiped and has an open upper surface, and the entire other surfaces are formed of high-rigidity expanded metal so that the earth and sand stored therein are not easily deformed. This expanded metal can be replaced with, for example, a highly rigid wire mesh, grid, punching metal, or the like. The same applies to other expanded metals described below.

As shown in FIG. 8, the earth and sand box 6 also has a flange 7 protruding outward from the upper end of the side wall, and the earth and sand box, which is a pair of earth and sand boxes 6, flows so that the flanges face each other. A plurality of sets are arranged side by side in the direction. A water stop plate 8 is mounted on the horizontal portion 2a of the angle member 2 along the downstream side wall under the flange of the downstream side wall of one of the earth and sand boxes 6 on the downstream side. , the entire surface of the downstream side wall of the sand box 6 is covered to block rainwater and prevent the rainwater from flowing in and out between the sandboxes 6. - 特許庁

The earth and sand box 6 having the water stop plate 8 and the earth and sand box 6 without the water stop plate 8 are combined as a pair, as shown in FIG. The flanges are arranged side by side so as to face each other, and a waterway 11 is formed on the side ditch 1b under the earth and sand box. It is designed to flow out to The earth and sand mixed in the rainwater in the earth and sand box are filtered by the bottom wall made of expanded metal, and the sifted earth and sand are left in the earth and sand box and accumulated.

The sand box 6 is also provided with a dam plate 13 made of expanded metal standing upright on the water stop plate 8 of the sand box 6 at an appropriate place, and is used to prevent sand, dirt, etc. mixed with rainwater overflowing the sand box 6. It is filtered so that it does not flow downstream. Specifically, as shown in FIG. 5, another wedge-shaped support member 9 is attached to the side wall of the side ditch 1b in the same manner as the support member 5 above the support member 5 attached to both side walls of the side ditch 1b. A blocking plate 13 made of expanded metal is inserted between the receiving members 9 from above.

In the illustrated embodiment, one blocking plate 13 is provided, but a plurality of blocking plates 13 may be provided in the side ditch 1b at appropriate intervals in the flow direction.

According to this embodiment, rainwater mixed with earth, sand, garbage, etc., flows from the gutter 1a through the gutter 1b, under the cover plate 8, and flows into the gutter 1c (see FIG. 1). It flows into the second dirt box 6 through the dirt box 6 and then the downstream side wall in the direction of flow. Rainwater or the like that has flowed into the second sand box 6 is blocked by the water stop plate 8 and does not flow out to the third sand box 6. - 特許庁The rainwater or the like blocked by the water stop plate 8 is filtered through the bottoms made of expanded metal in both the first and second earth and sand boxes 6, and the sifted earth and sand, garbage, etc. are left in the earth and sand boxes. Then, the remaining rainwater including earth and sand, garbage, etc. under the sieve (rainwater including earth, sand, garbage, etc. is hereinafter referred to as "rainwater, etc.") flows into the waterway 11, and the rainwater, etc. that has passed under the blocking plate 8 is It flows out to 1c.

As the sieved sediment, garbage, etc. left in the sediment box accumulates in the sediment box, the outflow of rainwater, etc. to the waterway 11 gradually decreases, and the rainwater, etc. blocked by the water stop plate 8 is discharged into both sediment boxes. Stay within 6 and gradually increase the water volume.

When both earth and sand boxes 6 are filled with rainwater and the like, rainwater and the like flowing from the side gutter 1a overflows both earth and sand boxes and flows into the third and fourth earth and sand boxes 6.例文帳に追加Thereafter, the same action as that of the first and second earth and sand boxes 6 described above is produced. The same applies to the n-th and n+1-th earth and sand boxes 6 .

In the last pair of earth and sand boxes 6, rainwater or the like passes through the side walls without waterstops, passes under the closing plate 8, and flows out to the side gutter 1c.
The earth and sand accumulated in the earth and sand box 6 is removed from the earth and sand box 6 as needed for cleaning and removal. Since the earth and sand box 6 is inserted between the receiving members and only supported on the horizontal portion of the angle member 2, it can be easily removed by pulling it up.

In the above embodiment, the earth and sand box 6 as a whole is made of, for example, steel or hard resin and has high rigidity so as not to be easily deformed. If it is made of steel or hard resin having rigidity, or if a rigid member made of steel or hard resin having rigidity is affixed, the other wall portion may be replaced with a non-rigid wall such as a wire mesh or a resin net. It can also be made of material. In this earth and sand box 6, if the framework has a high rigidity and is solid and is not easily deformed, the walls other than the framework have no rigidity, and the stored earth and sand can move a little. Even if it swells, there is no practical problem.

In the above-described embodiment, the angle member 2 is also supported on the horizontal portion of the angle member 2 with an appropriate gap from the bottom wall of the gutter 1b. However, the earth and sand box 6 may be placed directly on the bottom surface of the gutter 1b. Alternatively, the edge of the lower end of the earth and sand box 6 inserted by pushing it in from above bites into the inclined wall surface of the side ditch 1b, and the earth and sand box 6 may be supported by the side ditch 1b by a wedge effect. In either of the above cases, it is possible to eliminate the need for the mounting fixture for the sand box 6 and the tools and work for mounting the mounting fixture as shown in the above embodiment.

In another embodiment, pedestals are attached to both sides of the bottom of the side ditch 1b or to the bottom of the ditch, and the earth and sand box 6 is attached thereon. A water channel is formed under the earth and sand box between the pedestals on both sides or between the pedestal and the side wall of the gutter. The pedestal may also be hollow to allow rainwater or the like to pass through.

The pedestal supporting the sand box 6 also simply rests on the bottom of the ditch and requires no additional fittings or tools.
In the above-described embodiment, the sand box 6 is provided with the water stop plate 8 and further the dam plate 13, but the water stop plate 8 and the dam plate 13 are not necessarily essential and may be omitted. In particular, as described above, when the earth and sand box 6 is placed directly on the bottom surface of the gutter 1, rainwater or the like can flow through the earth and sand box 6 successively into the gutter 1c without providing a water stop plate 8. is desirable.

1a, 1b, 1c Gutter 2 Angle material 3 Chemical anchors 5, 9 Receiving material 6 Earth and sand box 8 Water stop plate 11 Water channel 13 Dam plate

Claims (6)

A catch basket for collecting earth and sand detachably attached to a downstream ditch which has a depth two times or more than the depth of the upstream ditch and forms a step connected to the upstream ditch, wherein the ditch bottom of the upstream ditch . One rectangular box or substantially rectangular box installed at the step so as to be lower than the above, and another rectangular box or substantially rectangular box arranged side by side along the longitudinal direction of the downstream side groove so as to be lower than the groove bottom of the upstream side groove. A generally rectangular box , at least a portion forming an outline of the box is made of metal or hard synthetic resin and has rigidity, or a rigid body made of metal or hard synthetic resin is attached to a portion forming the outline, and the box of the hexahedron constituting the upper surface is open, and at least the bottom of the walls constituting each surface other than the upper surface is formed of a net or a porous wall. Both side walls of the downstream groove are inclined so as to widen upward, and in the inclined downstream groove, a support member and a horizontal support projecting below the support member into the downstream groove are provided. The receiving material attached to the inclined downstream groove has a vertical inner surface, and the earth and sand collecting basket inserted between the receiving materials from above has a high height as a whole including the wall portion. 2. The earth and sand collecting basket for a side ditch according to claim 1, wherein the earth and sand collecting basket for a side ditch is supported by being locked to said support portion with rigidity. 2. The earth and sand collection basket for a side ditch according to claim 1, wherein the earth and sand collection basket is installed on the bottom of the groove of the downstream side ditch. The earth and sand collection cage is composed of a bottom wall and side walls on both sides of the bottom wall . 2. A sediment collecting basket for a side ditch according to claim 1, wherein said bottom edge of said basket is engaged with said inclined side wall and supported. At least the bottom wall and the front and rear side walls in the flow direction of the earth and sand collection cage are made of nets or porous walls, and a pedestal is installed at the bottom of the downstream groove. 2. The sediment collecting basket for a side ditch according to claim 1, wherein water channels are formed inside and outside said pedestal. 6. The earth and sand collection basket for a side ditch according to claim 5, wherein said box has a water stop plate on a downstream side surface of said hexahedron.

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