JPH0739986Y2 - Drainage - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a drainage channel to be buried as a side ditch of a road surface, and is particularly referred to as a circular channel, and has a narrow slit-like top surface. The present invention relates to a drainage channel having a water collection groove.

(Prior Art) In recent years, as shown in FIG. 5, a circular drainage channel 1 is often provided as a gutter for draining rainwater and the like on a road surface A. This circular drainage channel 1 has a large number of concrete water channel building blocks 2 of a proper length, which penetrate a round hole 2a in the center of the inside and have a narrow slit-shaped opening 2b right above the channel, and lay them in a line. A water collecting groove component 3 is attached on the water channel forming block 2 so that rainwater or the like on the road surface A can be drained from the water collecting groove to the round hole 2a in the block 2 through the slit-shaped opening 2b. There is. In this water collection groove component 3, a pair of left and right groove side plates 4, 4 made of stainless steel and having an L shape are attached and fixed to both sides of the upper surface of the water channel component block 2 in an upright state via anchor bolts 5, respectively. The left and right groove side plates 4, 4 are mounted on the upper step portions of each other, and a grooved cover (grating) 6 with a slit having an appropriate length, such as ductile cast iron, is fitted therein. The road surface A is constructed by providing a paving material b such as a decorative block on the mortar base layer a.

With such a circular drainage channel 1, although the drainage channel has a large amount of drainage, the opening groove width of the water collection channel can be narrowed, the effective area of the road surface can be widened, and the water collection channel component 3 can be made compact and lightweight. It is economical.

(Problems to be solved by the invention) By the way, in the above-described conventional drainage channel 1, since the left and right groove side plates 4, 4 of the water collection channel component 3 are directly fixed to the upper surface of the channel configuration block 2 by the anchor 5. , This drainage component 3
In order to make the upper end surface flush with the road surface A, the laying depth of the waterway construction block 2 itself in the ground must be accurate,
The leveling was very troublesome and difficult. In particular, the waterway construction block 2 laid under the road surface needs to have a drainage flow gradient regardless of the road surface A. In such a case, the upper end surface of the drainage channel component 3 may be flush with the road surface A. There was a difficult problem.

The present invention has been made in view of the above circumstances, and the height of a water collecting groove component mounted on the upper surface of a water channel constructing block can be easily adjusted, and the upper end surface of the drainage can be accurately leveled with the road surface. The purpose is to provide a path.

[Constitution of device]

(Means for Solving the Problem) In order to achieve the above object, the present invention lays a waterway construction block having a slit-shaped opening in the upper surface in the longitudinal direction under the road surface, and on the upper surface of the waterway construction block, Anchor bolts are attached to the upper surface of the water channel construction block in a drainage channel in which the left and right channel side plates are connected by a connecting member at parallel intervals and have leg portions that project to the left and right. , Forming a mounting hole corresponding to the anchor bolt in the leg portion of the water collecting groove component, fitting the mounting hole into the anchor bolt, and screwing the leg portion of the water collecting groove component to the anchor bolt By sandwiching and tightening with a pair of nuts from above and below, the water collecting groove component is mounted on the water channel constructing block such that its upper end surface is flush with the road surface and the height is adjustable. It is characterized by being successful.

(Operation) In the drainage channel of the present invention having the above configuration, after the waterway component block is laid under the road surface with a drainage flow gradient, the left and right legs of the water collection groove component are anchored to the water channel component block by anchor bolts and Adjust the height with a pair of nuts screwed to this bolt. This allows the water collecting groove component to be easily and reliably leveled so that the upper end surface is flush with the road surface.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. In this case as well, the circular drainage channel 11 as a gutter for draining rainwater and the like on the road surface A is exemplified here. This circular drainage channel 11
Is a concrete water channel construction block 12 of a proper length that penetrates the circular hole 12a in the inner center and has a narrow slit-shaped opening 12b directly above it and lays it under the road surface by laying a large number of the blocks. The water collecting groove component 13 is placed on the water channel component block 12.
With such a structure, the rainwater or the like on the road surface A can be drained from the water collecting groove to the round hole 12a in the block 12 through the slit-shaped opening 12b.

The water collecting groove component 13 constitutes a narrow water collecting groove which opens into the road surface A and through which rainwater flows, and the left and right groove side plates 14 and 14 made of stainless steel and having a width of about 20 cm from each other. It has leg portions 16 and 16 which are connected in parallel by a connecting member 15 at an interval of and which juts out to the left and right at the lower side, and is further fitted between the left and right groove side plates 14 and 14 to form a grating (fine slit water collecting groove lid). ) 17 is attached. As shown in FIG. 3, the grating 17 is composed of stainless steel left and right and intermediate plates 17a, 17b, 17c and a cross bar (cylindrical sleeve such as spacer and bolt nut) 17d for connecting them with a parallel interval. Has been done. Its left and right plates 1
7a and 17b have a substantially T-shaped cross section, and non-slip irregularities (not shown) are formed on the upper surface.

The water collecting groove component 13 is mounted such that the left and right leg portions 16 and 16 are height-adjustable via anchor bolts 18 provided upright on both sides of the upper surface of the water channel constituting block 12. In other words, a plurality of anchor bolts 18 are erected and fixed on both sides of the upper surface of the waterway structure block 12 by punching holes with an appropriate depth using a drill or the like and driving them.
Corresponding to 18, mounting holes 16a are formed in the left and right leg portions 16, 16 of the water collecting groove component 13, respectively. Then, by fitting the mounting holes 16a of the left and right leg portions 16 and 16 into the anchor bolt 18 and tightening and adjusting the nuts 19 and 20, the water collecting groove component 13 has a height such that the upper end surface thereof is flush with the road surface A. It is designed so that it can be mounted on a level.

Incidentally, mortar blocking plates 16b, 16b whose lower ends invade into the slit-shaped openings 12b of the water channel forming block 12 are hung on the lower surfaces of the left and right legs 16, 16 of the water collecting groove component 13. Instead of this, styrofoam or the like may be fitted over the slit-shaped opening 12b at the time of construction so as to stop the mortar.

In addition, 21 layers of crushed stone are provided under the road surface, and mortar is placed on this.
The base block 23 is placed via 22 layers, and the waterway construction block 12 is laid on the base block 23 via 24 layers of mortar. Further, the road surface A is constructed by providing a paving material b such as a decorative block on the mortar base layer a as in the above.

Thus, in the construction method of the drainage channel having the above-described configuration, first, a large number of the waterway configuration blocks 12 are laid under the road surface via the crushed stones 21, the base block 23, etc.
Is tilted to match the drainage flow gradient. After this,
Left and right legs 1 of the water collecting groove component 13 are attached to a plurality of anchor bolts 18 that are erected on both sides of the upper surface of the water channel structure block 12.
Insert the mounting holes 16a of 6, 16 and insert the legs 16, 16 into the nut 1
The water collection groove component 13 is mounted on the water channel component block 12 by sandwiching and tightening it from the upper and lower sides with 9,20. At this time, looking at the heights of the left and right road surfaces A, the road surface A and the water collecting groove component 13
The upper surface (upper end surfaces of the left and right plates 17a, 17b of the grating 17) are flush with each other, the nuts 19, 20 are loosened once, and the height of the water collecting groove component 13 is adjusted. , 20
While fully tightening, the leveling mortar (adjustment mortar) a'is placed between the upper surface of the water channel constructing block 12 and the left and right leg portions 16, 16 of the water collecting groove constructing body 13. After adjusting the leveling of the water collecting groove component 13 in this way, a mortar underlayer a is provided, and a paving material b such as a decorative block is laid to form a road surface A.
Repair. This completes the construction of the water collecting groove component 13 with its upper end surface flush with the road surface A, and the rainwater on the road surface A is left between the left and right groove side plates 14, 14 of the water collecting groove component 13. Round hole 1 in the block 12 from the water collection groove through the slit-shaped opening 12b
It will be drained to 2a.

The drainage channel of the present invention is not limited to the above-mentioned embodiment, and the water collecting groove component 30 having the configuration shown in FIG. 4 may be used. The water collecting groove component 30 The left and right groove side plates 31, 31 of a flat plate made of stainless steel are connected in parallel to each other by a connecting member 32 at intervals of about 10 cm in width, and plate-like leg portions 33, 33 projecting leftward and rightward. It has a simple structure in which welding is fixed. The mounting holes 33a of the leg portions 33 are fitted into the anchor bolts on the upper surface of the waterway structure block in the same manner as described above, and the height adjustment is possible. Even in this case, the same effect as in the above embodiment can be obtained.

[Effect of device]

Since the drainage channel of the present invention is as described above, after laying the drainage channel block under the road surface with a drainage flow gradient,
By installing the left and right legs of the water collecting groove component on the water channel constructing block by adjusting the height with anchor bolts and a pair of nuts screwed to the bolts, It is possible to easily and surely level the road so that it is flush with the road surface.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention. FIG. 1 is a sectional view of a construction state, FIG. 2 is a plan view of a water collecting groove component, and FIG. 3 is the water collecting groove. FIG. 4 is a partially sectional perspective view of a component, FIG. 4 is a partially sectional perspective view of a water collecting groove component showing another embodiment of the present invention, and FIG. 5 is a sectional view showing a conventional example. A: Road surface, 11: Drainage path, 12: Waterway building block,
12a …… Opening part, 13,30 …… Water collecting groove component, 14,31 …… Groove side plate, 15d, 32 …… Connecting member, 16,33 …… Leg part, 18 …… Anchor bolt.

Claims (1)

[Scope of utility model registration request] 1. A waterway constructing block having a slit-shaped opening in the longitudinal direction on the upper surface is laid under the road surface, and left and right groove side plates are joined to the upper face of the waterway constructing block by a connecting member at parallel intervals. In addition, in the drainage channel formed by attaching the water collecting groove component having the leg portion protruding to the left and right, an anchor bolt is attached to the upper surface of the water channel constituting block, and the anchor bolt is attached to the leg portion of the water collecting groove component. A corresponding mounting hole is formed, the mounting hole is fitted into the anchor bolt, and the leg portion of the water collecting groove component is sandwiched by a pair of nuts screwed to the anchor bolt from above and below to tighten the collecting hole. A drainage channel, characterized in that the water channel component is mounted on the channel block so that its upper end surface is flush with the road surface and the height of the channel channel block is adjustable.