JP2582841Y2 - Installation structure of the repair plate - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a repair plate to be mounted on an inner surface of a water channel when the inner surface of an existing water channel is to be repaired.

[0002]

2. Description of the Related Art Conventionally, as a mounting structure of a repair plate of this kind, there is, for example, one shown in FIGS. That is,
Reference numeral 31 denotes an existing concrete water channel.
34, and air mortar 35 or cement mortar is poured into the gap between the repair plate 34 and the inner surface 33 of the water channel.

[0003] The mounting member 32 is formed in a channel shape with one side open, and the open surface is directed to the inner surface 33 of the water channel. One side of these attachment members 32 is attached to the tip of an anchor bolt 36 that is cast into the water channel 31 by welding A,
Thereby, the mounting member 32 is fixed to the water channel inner surface 33 at a predetermined level. The repair plate 34 is mounted on the mounting member 32 by inserting the mounting bolt 37 into the mounting bolt hole 38 and screwing it into the tap hole 39.

[0004]

However, in the above-mentioned conventional example, as shown in FIG. 9, the welding A between one side of the mounting member 32 and the tip of the anchor bolt 36 is formed by the shape of the two members 32 and 36. Is likely to be incomplete due to differences in
The connection strength between the anchor bolt 32 and the anchor bolt 36 may be insufficient. In addition, the welding work had to be performed at the renovation site, which required a lot of work.

[0005] The mounting bolt holes 38 can be formed in advance in the repair plate 34 at the manufacturing factory, but the tapped holes 39 are applied to the mounting member 32 at the repair site and the mounting bolt holes 38 are provided. A drill hole must be drilled and tapped to position 38. As described above, since the mounting member 32 needs to be drilled and tapped at the repair site, the work is troublesome.

Further, since the tap hole 39 is formed in the mounting member 32, the length of the tap hole 39 is only as large as the thickness of the mounting member 32, and therefore the number of female threads is insufficient.
There was a possibility that the connection strength between the repair plate 34 and the mounting member 32 was insufficient.

An object of the present invention is to solve the above-mentioned problem, and it is an object of the present invention to provide a mounting structure of a repair plate which can securely and easily mount the repair plate in a groove at a repair site.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a mounting structure of a modified plate mounted on an inner surface of a groove, wherein an anchor bolt is driven into the groove and inserted into the anchor bolt. A channel-shaped mounting member having a fixing bolt hole to be fixed, and a fixing nut screwed to the anchor bolt to fix the mounting member to the inner surface of the groove are provided. And a nut body movable in the width direction, and holding means for holding the nut body on a mounting member, and a mounting bolt that is inserted into a mounting bolt hole formed in the repair plate and screwed into the nut body. Is provided.

[0009]

According to the configuration of the present invention, the fixing member is securely and firmly attached to the anchor bolt by inserting the fixing bolt hole into the anchor bolt and screwing the fixing nut to the anchor bolt at the repair site. The connection and the welding of the mounting member and the anchor bolt, which are conventionally performed at the renovation site, are not required, so that the work at the site is facilitated.

[0010] Further, by providing the nut body in the mounting member in advance in the manufacturing factory and holding the nut body on the mounting member by the holding means, it is possible to prevent the nut body from being accidentally dropped off from the mounting member at the repair site. Is prevented. Since the thread number of the internal thread of the nut body is sufficiently formed, the repair plate is securely and firmly attached to the mounting member by inserting the mounting bolt into the mounting bolt hole and screwing the nut to the nut body. Can be connected. At this time, by moving the nut body in the length direction and the width direction of the mounting member, the nut body can be adjusted to the position of the mounting bolt hole of the repair plate.
This eliminates the need for drilling and tapping of the mounting member that has been conventionally performed at the repair site, thereby facilitating the work at the site.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 3, a repair plate 4 is attached to an inner surface 2 of an existing concrete water channel 1 which is an example of a groove, via a plurality of mounting members 3, and the water channel inner surface 2 and the repair plate 4 are connected to each other. Air mortar 5 and cement mortar are poured into the gap.

The mounting members 3 are juxtaposed along the length of the water channel 1 and are formed in a channel shape with one side open as shown in FIGS. Is turned. Leg portions 6 that can be applied to the inner surface of the water channel 2 are formed on both sides of each mounting member 3 so as to project outward. These leg portions 6 are formed with fixing bolt holes 8 that can be inserted into the distal ends of anchor bolts 7 that are driven into the water channel 1. Reference numeral 9 denotes a fixing nut that is screwed to the anchor bolt 7 to fix the mounting member 3 to the inner surface 2 of the water channel. A spacer 10 for level adjustment is provided between the leg 6 and the inner surface 2 of the water channel.

Inside the mounting member 3, a plurality of nut bodies 13 are provided at predetermined intervals in the length direction of the mounting member 3. Each of the nut bodies 13 has a tapped hole at the center of a hexagonal rod, and one end of the nut body 13 is provided with a flange 14 formed in a rectangular flat plate shape. A holding plate 16 is provided between a pair of opposed plate portions 15a and 15b of the mounting member 3. The holding plate 16 is formed with a holding hole 17 larger than the outer diameter of the nut body 13, and the nut body 13 is inserted into the holding hole 17 so that the flange portion 14 is engaged with the holding plate 16.
The distance between the plate 15c provided between one end of the pair of plates 15a and 15b and the holding plate 16 is set to be larger than the thickness of the flange 14. The flange 14 is held by the plate 15c. It is slidably fitted between the plate 16. Thereby, the nut body 13 becomes movable in the length direction and the width direction of the mounting member 3, and
The collar 14 and the holding plate 16 are provided as an example of holding means for holding the nut body 13 on the mounting member 3. Further, a through hole 18 having the same diameter as the holding hole 17 is formed in the plate portion 15c.

The repair plate 4 is a plate made of FRP, FRPM or stainless steel, and has a plurality of mounting bolt holes.
Has 19 These repair plates 4 have mounting bolt holes 19
The mounting member 3 is connected to the mounting member 3 by a mounting bolt 20 (counterhead bolt) that is inserted through the through hole 18 and screwed into the nut body 13.

The operation of the above configuration will be described below.
At the rehabilitation site, a spacer is installed between the leg 6 and the inner surface 2 of the channel.
After the level of the mounting member 3 is adjusted by providing 10, the fixing bolt hole 8 is inserted through the anchor bolt 7 to fix the fixing nut 9.
Is screwed into the anchor bolt 7 so that the mounting member 3
Is securely and firmly connected to the anchor bolt 7, and
Since the welding between the mounting member 3 and the anchor bolts 7 conventionally performed at the renovation site is not required, work on the site is facilitated.

Further, the nut body 13 is provided in the mounting member 3 in advance in the manufacturing factory, and the flange portion 14 is engaged with the holding plate 16 so that the nut body 13 is held by the mounting member 3 so that it can be used at the repair site. Thus, the nut body 13 is prevented from being accidentally dropped from the mounting member 3. Since the number of female threads of the nut body 13 is sufficiently formed, the mounting bolt 20
Through the mounting bolt hole 19 and the through hole 18 to insert the nut body 13
The repair plate 4 can be securely and firmly connected to the mounting member 3 by being screwed into the fixing member 4. At this time, as shown in FIG. 4, the nut body 13 is moved in the width direction and the length direction of the mounting member 3 (see the phantom line in FIG. 2) so that the nut body 13 is attached to the mounting bolt hole 19 of the repair plate 4. Can be adjusted to the position. This eliminates the need for drilling and tapping of the mounting member 3 conventionally performed at the repair site, thereby facilitating the work at the site.

As shown in FIG. 2, since the flange 14 is formed in a rectangular flat plate shape, when the mounting bolt 20 is screwed into the nut body 13, the flange 14 is Plate 15
The a and 15b abut against the inner surface and are prevented from rotating.

Hereinafter, a second embodiment of the present invention will be described with reference to FIG. That is, in the first embodiment described above, the mounting member 3 is mounted with the open surface facing the inner surface 2 of the water channel, but in the second embodiment, the nut body 13, the flange portion 14, and the holding plate 16 are mounted.
Is mounted as it is, with the open surface of the mounting member 3 facing the side opposite to the inner surface 2 of the water channel. Therefore, the plate portion 15c of the mounting member 3 faces the inner surface 2 of the water channel, and the through hole 18 (see FIG. 1) provided in the plate portion 15c in the first embodiment is unnecessary here. Further, on both side ends of the mounting member 3, leg portions 6 which can be applied to the inner surface 2 of the water channel are formed so as to protrude outward.

According to this, as in the first embodiment,
The mounting member 3 is securely and firmly connected to the anchor bolt 7 by the fixing nut 9, and since the welding between the mounting member 3 and the anchor bolt 7, which has been conventionally performed at the repair site, becomes unnecessary, work on the site is not required. It will be easier.

Further, the mounting bolt 20 is inserted into the mounting bolt hole 19.
The repair plate 4 can be securely and firmly connected to the mounting member 3 by being screwed into the nut body 13 by being inserted through the hole. At this time, the nut body 13 is moved in the length direction and the width direction of the mounting member 3 so that the nut body 13 is
Can be adjusted to the position of the mounting bolt hole 19. This eliminates the need for drilling and tapping of the mounting member 3 conventionally performed at the repair site, thereby facilitating the work at the site.

A third embodiment of the present invention will be described below with reference to FIGS. That is, in the third embodiment, the leg portions 6 (see FIG. 5) of the above-described second embodiment are not provided, and the fixing bolt holes 25 that can be inserted into the anchor bolts 7 face the water channel inner surface 2 of the mounting member 3. It is formed on the plate portion 15c. These fixing bolt holes 25 are formed in an intermediate portion between the plurality of nut bodies 13 provided at a predetermined interval.

According to this, the spacer 10 is inserted into the distal end portion of the anchor bolt 7, then the fixing bolt hole 25 is inserted, and the fixing nut 26 is screwed into the anchor bolt 7, so that the mounting member 3 is formed on the inner surface of the water channel. 2 attached. In the third embodiment, since the legs 6 (see FIGS. 1 and 5) provided in the first and second embodiments can be dispensed with, the manufacture is easy and the weight can be reduced.

In the above embodiment, the water channel 1 has been described as an example of the groove, but this may be a horseshoe-shaped or circular water-conducting tunnel. In this case, the mounting member 3 is formed in an arc shape in accordance with the shape of the tunnel, and the repair plate 4 can be formed in an arc shape or by attaching a large number of narrow repair plates 4 together.

[0024]

[Effects of the Invention] As described above, according to the present invention, the fixing member is inserted into the anchor bolt and the fixing nut is screwed into the anchor bolt at the repair site, so that the mounting member is connected to the anchor bolt. It is surely and firmly connected, and the work on the site becomes easy because welding of the mounting member and the anchor bolt, which has been conventionally performed on the renovation site, becomes unnecessary.

Further, by providing the nut body in the mounting member in advance in the manufacturing factory and holding the nut body on the mounting member by the holding means, it is possible for the nut body to be inadvertently detached from the mounting member at the repair site. Is prevented. Since the thread number of the internal thread of the nut body is sufficiently formed, the repair plate is securely and firmly attached to the mounting member by inserting the mounting bolt into the mounting bolt hole and screwing the nut to the nut body. Can be connected. At this time, by moving the nut body in the length direction and the width direction of the mounting member, the nut body can be adjusted to the position of the mounting bolt hole of the repair plate.
This eliminates the need for drilling and tapping of the mounting member that has been conventionally performed at the repair site, thereby facilitating the work at the site. As described above, the number of work steps on site can be reduced, so that the work period can be shortened.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a mounting structure of a repair plate in a first embodiment of the present invention.

FIG. 2 is a view taken in the direction of arrows AA in FIG.

FIG. 3 is a longitudinal sectional view of a renovated water channel.

FIG. 4 is a view showing position adjustment of a nut body.

FIG. 5 is a vertical cross-sectional view showing a structure for mounting a refurbished plate in a second embodiment of the present invention.

FIG. 6 is a vertical cross-sectional view illustrating a structure for mounting a refurbished plate according to a third embodiment of the present invention.

FIG. 7 is a view taken in the direction of arrows BB in FIG. 6;

FIG. 8 is a longitudinal sectional view of a modified waterway in a conventional example.

FIG. 9 is a longitudinal sectional view showing a mounting structure of a repair plate in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Waterway (groove) 2 Inner surface 3 Mounting member 4 Repair plate 7 Anchor bolt 8 Fixing bolt hole 9 Fixing nut 13 Nut body 14 Flange (holding means) 16 Holding plate (holding means) 19 Mounting bolt hole 20 Mounting Bolt 25 Bolt hole for fixing

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

Claims (1)

(57) [Scope of request for utility model registration] 1. A mounting structure for a repair plate to be mounted on an inner surface of a groove, comprising a channel-shaped mounting member having an anchor bolt driven into the groove and having a fixing bolt hole inserted through the anchor bolt. A fixing nut for screwing to the anchor bolt and fixing the mounting member to the inner surface of the groove is provided,
A nut body movable in the length direction and the width direction of the mounting member and holding means for holding the nut body on the mounting member are provided in the mounting member, and a mounting bolt hole formed in the repair plate is provided in a mounting bolt hole. A mounting structure for a repair plate, wherein mounting bolts are inserted and screwed to the nut body.