JPH0434198Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cover attached to a waterway such as an agricultural waterway to prevent garbage from being thrown in or children from falling.

[Conventional technology and its problems]

Such a cover is long provided on the open surface of the waterway, and is desired to have a certain degree of structural strength, be easy to assemble, and be easy to extend and install.

Therefore, the inventors first created a cover as shown in Figure 8 with Utility Model Registration No. 1584567 (Utility Model Registration No.
23794).

In the figure, reference numeral 1 denotes a main frame formed into a roof shape using pipes. Inside this frame, a reinforcing frame 2 also made of pipes is disposed, and these form a frame 3.
In this case, the reinforcing frame 2 is partially connected to the main frame 1 in the middle, and becomes like a brace.

Such frames 3 are erected at appropriate intervals via angle-shaped base plates 5 provided on the dam 41 of the waterway 4, and the parallel frames 3 are connected to each other by connecting the main frame 1 to a horizontal member made of a pipe. The water channels 4 are connected in the length direction by connecting them with a joint frame 6 as shown in FIG. Then, a cover net 7 made of a steel net was laid on the entire upper surface.

The cover shown in Figure 8 constructed in this way is
It can be easily extended by simply increasing the required number of frames 3, which have increased strength with the reinforcing frame 2, and the overall strength is high because the frames 3 mainly bear the burden.For example, in an emergency, people cannot stand on the cover You can ride safely.

[Problem that the invention attempts to solve]

Incidentally, it is desirable that the main frame 1 and the reinforcing frame 2 forming the frame body 3 be strongly connected so as not to separate, but in addition, it is required that fine adjustments can be made for positioning during construction. Ru. In the above-mentioned Utility Model Publication No. 59-23794, as shown in Figs. 9 and 10, the main frame 1 and the reinforcing frame 2 are fixed by a band-shaped tightening band 8 so as to surround them. , the band 8
The expansion of the band 8 when the main frame 1 and the reinforcing frame 2 try to separate by simply fixing the ends of the bolts and nuts 9 is due to the stress caused by the bolts and nuts 9.
It concentrated on the nut 9 and was easily loosened.

The purpose of the present invention is to eliminate the disadvantages of the conventional example,
It is an object of the present invention to provide a cover for an agricultural waterway, etc., which allows fine adjustment of the connection between a main frame and a reinforcing frame, and which can be firmly fixed without loosening after the connection.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention consists of a main frame with a reinforcing frame arranged inside it, which is erected on the dam of a waterway with a gap between them, and the frame bodies are connected to each other by connecting frames as cross members. In the case of covers for agricultural canals, etc. that are continuous and have a cover net installed on the upper surface, the main frame and the reinforcing frame can be partially connected by using a plate having long holes on the left and right along the sides of both the main frame and the reinforcing frame. The main idea is that the plates are attached at the center by welding, the plates are overlapped, and the plates are secured to each other with bolts and nuts through the long holes located so as to project from the main frame and the reinforcing frame. .

[Effect]

According to the present invention, the main frame and the reinforcing frame are connected through the plates, and the plates are overlapped with each other, so that the contact area is large and it is difficult to separate them from each other. Further, during installation, the connecting position of the main frame and the reinforcing frame can be freely adjusted by appropriately shifting the plates from each other through the elongated holes.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a front view showing one embodiment of the cover for agricultural waterways, etc. of the present invention, with the cover net omitted. The overall structure is the same as that of the conventional example shown in FIG. 8, and the same reference numerals are given to the same components.

That is, 41 in the figure is a dam of the waterway 4, and frames 3 with reinforcing frames 2 arranged inside the main frame 1 are erected at appropriate intervals via a base plate 5, and the frames 3 are connected to each other to form a frame. Connected with 6.

The present invention consists of a main frame 1 and a reinforcing frame 2.
As shown in FIGS. 2 and 3, elongated holes 12a are formed in the sides of the main frame 1 and the reinforcing frame 2 in substantially the same shape and at corresponding locations.
The metal plates 10 and 11 formed with the shapes 12c to 12c are attached by welding, and the plates 10 and 11 are overlapped with each other, and bolts are inserted through the long holes 12a to 12c.
Secure with nut 9.

In this way, when the frame body 3 is formed by combining the main frame 1 and the reinforcing frame 2, the plate body
Even if 0 and 11 shift, they can be fixed.

4 and 5 show other embodiments of the present invention, in which one of the plates (plate 11 in the figure)
The end of the plate is folded back to form a fitting groove 15, into which the end of the other plate (plate 10 in the figure) is slidably fitted. In this way, only one elongated hole needs to be provided on the opposite side, and the bolt,
The nut 9 only needs to be fixed in one place.

Figures 6 and 7 show how the ends of the main frame 1 and the reinforcing frame 2 are connected to each other.A gusset plate 13 like a partition plate is provided on the angle-shaped base plate 5, and the main frame 1 and the reinforcing frame 2 are connected to each other. The ends of the frame 2 were overlapped and fixed through with bolts and nuts 9. In the figure, reference numeral 14 indicates an anchor bolt for fixing the base plate 5.

Although not shown in the drawings, the main frame 1 and the joint frame 6 are fixed using hook bolts or other fixing metal fittings, welding, or the like.

[Effect of idea]

As described above, the cover for agricultural waterways, etc. of the present invention consists of a frame body consisting of a main frame with a reinforcing frame arranged inside it, which is erected at intervals on the dam of the waterway.
The frame bodies are connected to each other with a joint frame as a cross member,
In covers for agricultural waterways, etc., where a cover net is laid on the top surface, the main frame of the frame and the reinforcing frame are connected by overlapping the plates provided on each frame, and these plates are slid together through long holes. Since it is movable, it is possible to make fine adjustments during assembly, and after joining, it can be firmly fixed without causing any loosening that would cause the two parts to separate.

[Brief explanation of the drawing]

Fig. 1 is a front view showing one embodiment of the cover for agricultural waterways, etc. of the present invention, Fig. 2 is a longitudinal sectional side view of the main part of the same, Fig. 3 is a plan view of the same, and Fig. 4 is a diagram showing another embodiment. 5 is a plan view of the same as above, FIG. 6 is a front view showing the connection of the ends of the main frame and the reinforcing frame, FIG. 7 is a side view of the above, and FIG. 8 is a conventional example. FIG. 9 is a longitudinal sectional side view of the main parts of the same, and FIG. 10 is a plan view of the same. 1...Main frame, 2...Reinforcement frame, 3...
... Frame body, 4 ... Channel, 41 ... Weir, 5 ... Base plate, 6 ... Joint frame, 7 ... Cover net, 8 ... Tightening band, 9 ... Bolt, nut, 10, 11 ... Plate body, 12a to 12c... Long hole, 13... Gusset plate, 14... Anchor bolt, 15... Fitting groove.

Claims (1)

[Scope of utility model registration request] A frame body consisting of a reinforcing frame arranged inside the main frame was erected on the embankment of a waterway with a gap between them, the frames were connected to each other by a joint frame serving as a cross member, and a cover net was laid on the top surface. In the case of covers for agricultural waterways, etc., the main frame and the reinforcing frame can be partially connected by welding the centers of plates with long holes on the left and right along the sides of both the main frame and the reinforcing frame, and then attaching the plates to each other by welding. A cover for an agricultural waterway, etc., characterized in that the plates are superimposed on each other and the plates are secured to each other with bolts and nuts through the elongated holes located so as to protrude from the main frame and the reinforcing frame.