JP2958524B1 - Apparatus for forming a mounting step for drainage ditch - Google Patents

Abstract

Abstract: A forming device capable of automatically forming a vertical notch constituting a mounting step portion at a correct position and along a longitudinal direction of the drainage groove by using the drainage groove itself. To provide. A support base supported by a drain groove and housed in the drain groove, a protection frame provided on the support base, and horizontally integrated with the protection frame. The supporting beam 30, the moving supporting table 40 movably mounted on the supporting beam 30, and a mounting step provided on the moving supporting table 40 at the upper end of the drain groove 60. And a cutting device 50 having a cutting blade 51a for making a vertical cut 61a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for forming a mounting step for mounting and storing a grating or a gutter on the inside upper part of a concrete drainage ditch, also called a U-shaped ditch. About.

[0002]

2. Description of the Related Art Waterways near agricultural lands and rivers, or small and medium-sized rivers themselves are mainly protected by revetments using drainage ditches also called U-shaped ditches. In other words, irrigation canals and small and medium-sized rivers in recent years are being completely improved by concrete drains.

[0003] As shown in Fig. 12, most of such drainage gutters, which have been provided particularly in the early days, are of an open type, and the upper portion thereof is provided with a grating or a gutter. It is not covered by.

[0004] Such an open type drainage ditch was hardly a problem in an era where the population was not so concentrated in the vicinity and the traffic volume was low. However, when the irrigation canals and roads along small and medium rivers are also improved, and the traffic and traffic volume increase, the open drains naturally become a problem. Therefore, as shown in FIG. 12, it has been demanded that a grating or a gutter can be placed on the open drain so as to secure safety and contribute to road surface expansion. It is.

[0005] However, the open drainage gutter, which was prepared in the early days, is not intended to be provided with a gutter or the like, and is not subjected to such processing. For this reason, up to now, a mounting step portion for mounting and storing a groove cover or the like is provided inside the upper part of the drainage groove, for example, as shown in FIG.
Was formed as shown in FIG. That is, as shown in the left part of FIG. 13, first, the periphery of the drainage groove is dug up to secure a space in which the formwork can be installed, and then the upper part of the drainage groove is cut off. Then, as shown in the left part of FIG. 13, a formwork was installed so as to surround the cut portion, and fresh concrete was poured into the formwork to form a mounting step.

[0006] This means that a wide variety of operations are required, such as excavation around the drainage ditch, cutting of the drainage ditch, installation of the formwork, and placing of concrete. It took considerable time and money, and it took a lot of work because of the large number of open drains.

Therefore, the present inventors have studied how to easily form a mounting step for mounting and storing a grating or a groove cover inside the upper part of an open drainage groove. As a result of various studies, the present invention has been completed.

[0008]

SUMMARY OF THE INVENTION The present invention has been made on the basis of the above-mentioned situation, and the problem to be solved is to place a grating or a groove cover on the inside of the upper part of the drainage ditch.
An object of the present invention is to make it possible to mechanically form a mounting step portion for storing.

That is, an object of the first aspect of the present invention is to use a drainage groove itself to make a vertical notch constituting a mounting step at a correct position, and furthermore, to set a longitudinal direction of the drainage groove. To provide a forming apparatus capable of forming automatically along the line.

The object of the invention according to claim 2 is to achieve the same object as in claim 1, and to ensure that the frame for creting can be fixed. It is an object of the present invention to provide a forming apparatus capable of performing the above.

Further, it is an object of the invention according to claim 3 that the horizontal notch constituting the mounting step portion is formed at a correct position while using the drainage groove itself, and furthermore, in the longitudinal direction of the drainage groove. It is an object of the present invention to provide a forming apparatus capable of automatically forming the sheet along the same.

[0012]

Means for Solving the Problems In order to solve the above problems, first, means according to the first aspect of the present invention will be described with reference numerals used in the following description of embodiments. "This is a device for forming a mounting step 61 on the upper inside of the drain groove 60 for mounting the grating and the groove lid 70, and is supported by the drain groove 60 and housed in the drain groove 60. And the support 10
A protection frame 20 provided thereon, a support beam 30 integrated horizontally with the protection frame 20, a movable support table 40 movably mounted on the support beam 30, and a movable support table 40 provided on the movable support table 40. The cutting blade 5 is provided with a vertical notch 62a that forms the mounting step 61 at the upper end of the drain groove 60.
And a cutting device 50a having the cutting device 1a.

That is, in the step forming apparatus 100A according to the first embodiment, the mounting step 6 is disposed in the drain groove 60 shown in FIG.
1 is formed by forming a vertical cut 62a shown in the left part of FIG. 12 together with a horizontal cut 62b formed by a step forming device 100B of claim 3 described later. Alternatively, as shown in FIG. 4, the inside of the upper end portion of the drainage groove 60 is broken by using a vertical cut
The mounting step 61 for mounting the grating or groove cover 70 shown in FIG.

As shown in FIG. 1, the step forming apparatus 100A is supported at the upper end of a drain groove 60 by a support base 10, and supports a support beam 30 mounted horizontally on a protective frame 20. , The movable support 40 can move along the drain groove 60. In this step forming apparatus 100A, a cutting device 50a having a cutting blade 51a for forming a vertical cut 62a is supported on the movable support table 40. Also, the cutting device 5
0a is provided on a suspension plate 52a guided vertically by a guide rod 52c, so that the cutting device 50a can move along the support beam 30, and thus the drain groove 60.

Of course, the moving support table 40 of the step forming apparatus 100A is guided by each guide roller 41 so as to be able to move completely parallel to the supporting beam 30, and its moving motor is provided. 42 is driven by a pinion 43
Is transmitted to Since the pinion 43 is engaged with the rack 32 provided horizontally on the guide rail 31 side on the support beam 30, the pinion 43 is
2, the movable support table 40
Means that the cutting device 50a is moved in parallel along the drain groove 60. Needless to say, the movement of the movable support table 40 with respect to the support beam 30 may be performed by other moving means in addition to the above-described movement by the engagement between the rack 32 and the pinion 43.

By the step forming apparatus 100A according to the first aspect, the mounting step 6 of the drain groove 60 is formed.
The operation of forming the vertical notch 62a that constitutes No. 1 will be described step by step as follows. First, the step forming device 100A is carried into the vicinity of the drain groove 60 where the mounting step 61 is required,
Is inserted into the drain groove 60 as shown in FIG. At this time, by operating the position adjustment handle 53, the suspension plate 52a is arranged above the position shown in FIG.
The cutting blade 51a of the cutting device 50a is
Do not touch on top of 0.

As shown in FIG. 1, the support 10 inserted into the drainage groove 60 has the locking portion 11a of each locking plate 11 engaged with the upper surface inside one upper end of the drainage groove 60 as shown in FIG. So that the lower part of the protection frame 20 at the left end in the figure is
The left side of the figure is positioned so as to be placed on the zero. The support table 10 is adjusted by a vertical adjustment screw 13 provided on the right end side in the figure so that the whole is brought into a correct vertical state. , The heads of the respective rotation stoppers 12 are firmly brought into contact with the inner surface of the right side wall of the drain groove 60, and the positioning with respect to the drain groove 60 is completed.

As described above, when the position of the step forming device 100A is completed, the driving motor 54 of the cutting device 50a is driven.
Is operated to rotate the cutting blade 51a, and the cutting device 50a is gently lowered by the position adjustment handle 53. That is, since the drain groove 60 is not formed with a groove into which the cutting blade 51a can enter, as a matter of course, by gently lowering the cutting device 50a,
First vertical cut 62a into which cutting blade 51a should enter
Is formed. When the vertical cut 62a reaches a predetermined depth, the moving motor 42 is operated in the present embodiment.

The moving motor 42 is provided with a pinion portion 43 via a predetermined reduction gear. The pinion portion 43 meshes with the rack portion 32 provided horizontally on the support beam 30 side. The moving support table 40 supporting the water is slowly moved along the longitudinal direction of the drain groove 60 (3 times per hour).
m or less). Thereby, the cutting device 5
The 0a cutting blade 51a forms a vertical cut 62a as shown in FIG. 1 along the inside of the upper end of the drain groove 60.

Of course, since the drain groove 60 is long, the above operation is repeated along the longitudinal direction. It is needless to say that a vertical cut 62a is similarly formed on the side of the drain groove 60 opposite to the side shown in FIG.

After the vertical cut 62a is formed at the upper end of the drain groove 60 as described above, the vertical cut 62a is formed by using a step forming apparatus 100B according to the third aspect described later. Cross notch 62b in the horizontal direction perpendicular to
May be formed in the upper part of the inside of the drainage groove 60 to form the mounting step 61. However, when the step forming device 100B is not provided, the setting step may be as shown in FIG.

That is, if the vertical notch 62a as shown in FIG. 4 is formed by the step forming apparatus 100B, a "crack" by a filer is cut toward the lower end of the vertical notch 62a. If you do
The mounting step 61 is easily formed.

By the way, as shown in FIG. 6, when it is desired to attach the grating 70 together with the frame 71 to the mounting step 61 formed as described above, and when the frame 71 is Therefore, when the width becomes narrow, the cutting blade 51a must be inclined inward. In such a case, the step forming apparatus 100A according to claim 2 is employed.

That is, in order to solve the above-mentioned problems, means adopted by the invention according to claim 2 is as shown in FIG.
Regarding the step forming apparatus 100A according to claim 1,
"The cutting blade 51a of the cutting device 50a is supported by being slightly inclined inward with respect to the vertical direction so that the vertical notch 62a formed by the cutting blade 51a can be inclined inside the drain groove 60. What I did ".

When the frame 71 as shown in FIG. 6 is employed, it is necessary to make the vertical cut 62a be inclined inside the drain groove 60. This is because concrete is cast between the mounting step 61 and the mounting step 61. Since the newly cast concrete and the old concrete forming the drain groove 60 are hard to be integrated with each other, when the newly cast concrete is separated from the drain groove 60, This is to prevent the new concrete or frame 71 from easily floating.

As shown in FIG. 5, the step forming apparatus 100A is also supported at the upper end of the drainage groove 60 by the support base 10, and supports the support beam 30 mounted horizontally on the protective frame 20. , The movable support 40 can move along the drain groove 60. The step forming apparatus 100A also has a cutting blade 5 for forming a notch 62a slightly inclined with respect to the vertical direction on the movable support table 40.
This supports a cutting device 50a having 1a.
The cutting device 50a is guided in the same direction as the inclination direction of the cutting blade 51a.
a can be moved along the direction of its inclination.

Therefore, the frame 71 can be firmly fixed to the drain groove 60 by forming the inclined vertical notch 62a inside the drain groove 60 by the step forming apparatus 100A according to the second aspect. It is.

In order to solve the above-mentioned problem, the means adopted by the invention according to claim 3 is a method similar to that described above, which is called “placement on the inside upper part of the drain groove 60 in order to place the grating and the groove lid 70. An apparatus for forming a stepped portion 61, comprising a support base 10 supported by a drain groove 60 and housed in the drain groove 60, a protection frame 20 provided on the support base 10, A support beam 30 horizontally integrated with the frame 20, a movable support table 40 movably mounted on the support beam 30,
A cutting device 5 having a cutting blade 51b provided on the movable support table 40 and having a horizontal notch 62b for forming the mounting step 61 inside the upper end of the drain groove 60.
0b, the apparatus 100B for forming the mounting step 61 ".

That is, in the step forming apparatus 100B according to the third aspect, the horizontal portion of the mounting step 61 to be formed inside the drain groove 60, that is, the horizontal cut 62
b, and the cutting blade 51b thereof is oriented in the horizontal direction as shown in FIG. 7, and the structure of the cutting device 50b is a step forming device 100A according to claim 1.
Is different. Of course, other structures are the same as those of the step forming apparatus 100A of the first aspect.

Therefore, the step forming apparatus 10 according to claim 3
In the case of 0B, a horizontal cut 62b as shown in FIG. 7 can be formed in the upper inside of the drain groove 60, and such movement is performed.

Of course, after the horizontal cut 62b is formed by the step forming apparatus 100B, the vertical cut 62a can also be made with a sharpening tool as shown in FIG. The mounting step 61 can be formed on the step forming apparatus 100A. As described in the step forming apparatus 100A of the first embodiment, after the operation of the step forming apparatus 100B of the third embodiment, Cut 62 in the vertical direction by the step forming device 100A of FIG.
a may be formed.

At the corners and ends of the drainage groove 60, there are portions where the step forming device 100A or 100B does not enter, but those portions are to be subjected to the usual construction work. .

[0033]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a step forming apparatus according to a first embodiment of the present invention; FIG.
FIG. 5 shows a step forming apparatus 100A according to claim 2.
And FIG. 7 to FIG. 11 show the step forming apparatus 1 according to claim 3.
00B is shown. In the step forming device 100B according to the second and third aspects, the cutting device 50a or 50
Only 0b is different from the cutting device 50a of claim 1, and other configurations have many portions common to those of claim 1. Therefore, the difference will be described below.

FIG. 1 shows a state in which the step forming apparatus 100A is assembled on the drain groove 60 where the mounting step 61 is to be formed on both upper inner sides. And the cutting blade 51 of the cutting device 50a
A cross-sectional view is shown where a forms a vertical cut 62a.

The step forming apparatus 100A is shown in FIGS.
As shown in FIG.
0, a support frame 10 provided on the support frame 10, a support beam 30 horizontally integrated with the protection frame 20, and a movement on the support beam 30. A movable support base 40 that is assembled as possible, and a cutting blade 51a that is provided on the movable support base 40 and that inserts a vertical cut 61a at the upper end of the drain groove 60 to constitute the mounting step 61. And a cutting device 50a having the same.

As shown in FIG. 1, the support base 10 has a plurality of locking plates 11 having locking portions 11a to be engaged with the upper end of the drain groove 60 from inside. Each of the locking plates 11 is provided with a rotation stopper 12 that comes into contact with the inner surface on the opposite side of the drain groove 60.

Each of the rotation stoppers 12 is brought into contact with the inner surface of the drainage groove 60 by literally rotating the rotation stopper 12. A certain protection frame 2
0 is stabilized with respect to the drain groove 60. Further, as shown in the right side of FIG. 1, the support base 10 has a vertical adjusting screw 13, and by adjusting the vertical adjusting screw 13, the step forming apparatus 100 </ b> A The whole is erected vertically with respect to the drain groove 60.

On the support base 10, a protection frame 20, which plays a role of ensuring safety and supporting a support beam 30, which will be described later, is integrated. In addition, this protection frame 2
Regarding 0, a guide path 21 for guiding the guide roller 41a on the movable support base 40 side is provided substantially horizontally at a portion opposite to a cutting blade 51a described later (right side in FIG. 1). is there. The support beam 30 supports the movable support table 40 and the cutting device 50a.
A guide rail 31 is provided for guiding the guide roller 41b on the side of the movable support table 40. As shown in FIGS. 1 and 2, a rack 32 in which the pinion 43 on the movable support base 40 meshes with the front surface of the support beam 30 is integrated in a substantially horizontal shape.

As shown in FIG. 1, the movable support 40 is
It has a portion that wraps around the front portion of the support beam 30, and a protection frame 2 is provided at the lower end of this portion.
0 has a guide roller 41a to be engaged in the guide path 21. The guide rails 31 provided on both upper and lower surfaces of the support beam 30 are provided with guide rollers 41b which are engaged so as to sandwich the guide rails.

The moving support table 40 is horizontally moved on the support beam 30 by a moving motor 42 provided on the upper part thereof. A pinion 43 provided at the lower end of the moving motor 42 in the drawing is shown. Is the rack 3 on the support beam 30 side.
The gears 2 mesh with each other via a reduction gear. A position adjustment handle 53 for adjusting the position of the cutting device 50a in the vertical direction is provided on the left side of the movable support table 40 in FIG.

The cutting device 50a mainly has a vertical cutting blade 51a and a driving motor 54 for driving the cutting blade 51a.
As shown in FIG. 3, the movable support table 40 is vertically movable. As shown in FIG. 1, the suspension plate 52a is movable vertically by the guide rod 52c with respect to the movable support table 40, and its vertical movement is controlled by the position adjustment shown in FIG. This is performed by the handle 53.

(Regarding the Step Forming Apparatus 100A of Claim 2) As shown in FIG. 5, the step forming apparatus 100A according to claim 1 of the present invention has the following steps.
The cutting blade 51a of the cutting device 50a is supported by being inclined slightly inward with respect to the vertical direction, and the vertical cut 62a formed by the cutting blade 51a is
It is designed to be able to be inclined inside 0. The inclination angle Θ of the cutting blade 51a in the present embodiment and the vertical cut 62a formed thereby is
About 1 ° to 5 °.

Therefore, according to the step forming apparatus 100A according to the second aspect, if the inclined notch 62a in the vertical direction is formed inside the drain groove 60, the frame 71 and the mounting step 61 are formed.
When concrete is poured in between and this is solidified,
This new concrete will be retained by the vertical cuts 62a sloped inside the drain 60 and will secure the frame 71 and thus the grating 70 to the drain 60.

(Regarding the Step Forming Apparatus 100B of Claim 3) The step forming apparatus 100B of Claim 3 is shown in FIGS. 7 to 10, and includes a cutting device 50b of this step forming apparatus 100B. 2. The step forming apparatus 100 according to claim 1, except for the mounting table 45 on the side of the moving support table 40 that supports this.
Since it has the same constituent members as A, the same members of both devices are denoted by the same reference numerals in FIGS.

As shown in FIG. 7, the mounting table 45 for supporting the cutting device 50b is provided at the lower part of the front surface of the movable support table 40 so as to hang down. This mounting base 4
5 is attached to the mounting plate 52b via the guide rod 52c.
Are mounted so as to be able to move in the left-right direction of FIG.

The cutting device 50b includes a step forming device 100A.
It has the same drive motor 54 as the cutting device 50a on the side, but its mounting direction is such that the rotation axis is perpendicular to the drive motor 54 on the cutting device 50a side.
Therefore, the cutting blade 51b provided on the driving motor 54 of the cutting device 50b is located in the vertical direction as shown in FIG.

The moving motor 4 on the moving support table 40 side
As for 2, a safety device that automatically stops when the load resistance becomes too large is provided. Needless to say, the cutting blades 51a and 51b are so-called diamond cutters that can cut the drainage groove 60 made of concrete.

[0048]

As described above in detail, according to the first aspect of the present invention, as exemplified in the above embodiment, the support base supported by the drain groove 60 and housed in the drain groove 60. 10 and a protection frame 2 provided on the support base 10.
0 and a support beam 30 integrated horizontally with the protection frame 20.
A movable support table 40 movably mounted on the support beam 30, and a drain groove 60 provided on the movable support table 40;
Is provided with a cutting device 50a having a cutting blade 51a for making a vertical cut 62a that constitutes the mounting step portion 61 at the upper end portion thereof. By using the groove itself, it is possible to provide a forming device capable of automatically forming a vertical cut forming the mounting step portion at a correct position and along the longitudinal direction of the drain groove. is there.

The step forming apparatus 100 according to claim 2
According to A, the cutting device 5 according to claim 1 described above.
0a, the cutting blade 51a is supported by being inclined slightly inward with respect to the vertical direction, so that the vertical notch 62a formed by the cutting blade 51a can be inclined inside the drain groove 60. Has its structural features,
Thereby, the same object as in claim 1 can be achieved, and the frame 71 for the creating 70 can be securely fixed.
Can be provided.

Furthermore, the step forming apparatus 10 according to claim 3
According to 0B, the drainage grooves 60
The support base 10 to be stored in the inside, and the support base 1
0, a support beam 30 horizontally integrated with the protection frame 20, a movable support 40 movably mounted on the support beam 30, and a movable support 40. And a cutting device 50b having a cutting blade 51b for forming a horizontal notch 62b to form the mounting step portion 61 inside the upper end of the drain groove 60. Accordingly, there is provided a forming apparatus capable of automatically forming a horizontal cut forming the mounting step portion at a correct position and along the longitudinal direction of the drain groove using the drain groove itself. can do.

If the above-described step forming apparatus 100A and step forming apparatus 100B are used at the same time, the mounting step 61 for mounting and storing the grating or groove lid 70 is provided.
Can be continuously and automatically formed on the upper inside of the drain groove 60.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of the step forming device according to claim 1 in a state where the step forming device is assembled in a drain groove.

FIG. 2 is a side view of the same step forming apparatus as viewed from the cutting blade side in FIG.

FIG. 3 is a side view of the position adjustment handle taken along line 1-1 of FIG. 1;

FIG. 4 is a sectional view of a drain groove showing a state in which a mounting step is formed by using a vertical cut formed by the step forming apparatus of claim 1;

FIG. 5 is a cross-sectional view showing another embodiment of the step forming device according to the second embodiment, which is assembled to a drain groove.

6 is a cross-sectional view of a drain groove showing a state in which a mounting step is formed using a vertical cut formed by the step forming apparatus shown in FIG. 5, and a grating frame is attached thereto.

FIG. 7 is a sectional view showing a step forming device according to claim 3;

FIG. 8 is a side view of the step forming device.

9 is a side view of the position adjustment handle taken along line 2-2 in FIG. 7;

FIG. 10 is a partially enlarged plan view taken along line 3-3 in FIG. 7;

FIG. 11 is a cross-sectional view of a drain groove showing a state in which a mounting step is formed using a horizontal cut formed by the step forming apparatus of claim 3;

FIG. 12 is a cross-sectional view showing a state in which a mounting step portion is formed in a drain groove and grating or a groove cover is mounted and stored.

FIG. 13 is a cross-sectional view showing a conventional technique for forming a mounting step in a drain groove.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100A step forming device 100B step forming device 10 support stand 11 locking plate 11a locking portion 12 rotation stopper 13 vertical adjustment screw 20 protection frame 21 guide path 30 support beam 31 guide rail 32 rack section 40 moving support table 41 guide roller Reference Signs List 42 Moving motor 43 Pinion 45 Mounting table 50a Cutting device 50b Cutting device 51a Cutting blade 51b Cutting blade 52a Suspension plate 52b Mounting plate 52c Guide rod 53 Position adjustment handle 54 Driving groove 61 Mounting step 62a Vertical Directional cut 62b Horizontal cut 70 Grating or groove lid 71 Frame

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E02B 5/02 B28D 1/04 E03F 5/04

Claims (3)

(57) [Claims] 1. To place a grating or a gutter,
What is claimed is: 1. A device for forming a mounting step on an inner upper part of a drainage groove, comprising: a support base supported by the drainage groove and housed in the drainage groove; A support beam horizontally integrated with the protective frame, a movable support movably mounted on the support beam, and a movable support provided on the movable support, and an upper end of the drainage groove, A cutting device having a cutting blade for making a cut in a vertical direction that constitutes the mounting step portion. 2. A cutting device for supporting the cutting blade of the cutting device in such a manner that the cutting blade is slightly inclined inward with respect to a vertical direction, and a vertical cut formed by the cutting blade is inclined inside the drain groove. The apparatus for forming a mounting step according to claim 1, wherein the apparatus can be used. 3. For mounting a grating or a groove cover,
What is claimed is: 1. A device for forming a mounting step on an inner upper part of a drainage groove, comprising: a support base supported by the drainage groove and housed in the drainage groove; And a support beam horizontally integrated with the protection frame, a movable support movably assembled on the support beam, and provided on the movable support, inside the upper end of the drainage groove, A cutting device having a cutting blade for making a cut in a horizontal direction that constitutes the step portion.