JP2576083B2 - Backing material filling device for pavement plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for filling a backing material of a pavement plate used for a pavement road.

[0002]

2. Description of the Related Art In recent years, as a pavement plate used for repairing an existing pavement or for a new pavement, for example, a pavement plate made of precast concrete has been known. It is widely used due to its excellent wear properties. In the construction using this precast concrete pavement slab, the laid pavement slabs are connected to each other by connecting reinforcing bars, and
As disclosed in Japanese Patent No. 24965, the height of the pavement plate is adjusted by a bolt portion which is a height adjustment bolt, and a backing material such as a grout material is filled from the through hole which is a filling hole to the back surface. I have. When filling the backing material into the pavement plate, a pump is connected to a filling hole drilled in the pavement plate to feed the filling material, or the filling operation is performed by pouring the backing material from a funnel-shaped container. I was

[0003]

In the case of filling the filler by pumping by the above pump, air is mixed into the backing material, and bubbles are easily generated inside the backing material after curing.
There were problems such as a decrease in the strength of the backing material. In addition, in the filling with the above funnel-shaped container, air is relatively difficult to mix due to natural flow, but if air is mixed in when transferring the backing material from the outside to the funnel-shaped container, it is confirmed that air is mixed at the time of filling. As a result, the backing is performed in a state where the air is mixed, so that there is a problem that bubbles are generated in the backing material after curing.

Accordingly, an object of the present invention is to provide a backing material filling apparatus for a pavement plate which can prevent air from being mixed into the backing material.

[0005]

According to a first aspect of the present invention, there is provided an apparatus for filling a backing material of a pavement plate for filling a backing material from a filling hole formed in the pavement plate, wherein an upper portion for storing the backing material is provided. Opening
And a storage container provided in the storage container.
A leg for supporting the bottom plate above the paving slab, and an upper end communicating with a lower portion of the storage container and having an inclination angle of 45 degrees or less
The outlet pipe is inclined downward and is installed at the upper end of the outlet pipe.
And vignetting said outlet pipe capable of adjusting the flow rate of the Urakomi material for natural flow opening and closing valve, which is connected to the lower end of the outflow pipe flexible
A tapered nozzle made of a member, the on- off valve and the
The outlet is provided between the nozzles and above the outlet pipe.
The flow formed by cutting out approximately a quarter of the pipe diameter.
And an opening window which is long in the length direction of the outlet pipe .

Further according to claim 2 invention, the pavement Urakomi material filling device for filling the Urakomi material from the filling hole formed in pavement, a storage container top for accommodating the Urakomi member is opened The bottom plate of the storage container is provided on the pavement.
A leg for supporting the upper Soban, the outflow pipe that obliquely downward inclination angle of 45 degrees or less communicated with an upper end to a lower portion of the container, the outlet pipe provided at the lower side of the outlet pipe An on-off valve capable of adjusting the flow rate of the backing material that naturally flows down, and a flexible member connected to a lower end side of the on-off valve.
A nozzle tapered that, between the said opening and closing valve the receiving container
And a plurality of outlet pipes are provided above the outlet pipe.
And a see-through window made of a light-transmitting material that allows the inside to be viewed .

[0007]

According to the first aspect of the present invention, the inclination angle is 45 degrees.
By following the run off slowly is Urakomi material outflow tube and obliquely disposed in degrees, contamination of the air is prevented, and the outflow pipe
By operating the opening and closing valve provided at the upper side, if the mixed air to Urakomi material flowing through the flow exit tube, this
The flow rate of the backing material that flows down and is visually recognized from the opening window that is long in the length direction of the outflow pipe can be adjusted to suppress the entry of air into the backing material. In addition, when the backing material flows more than necessary into the outflow pipe, the backing material overflows from the open window at the top of the outflow pipe, so that an appropriate amount of the backing material flows down by operating the open / close valve. The filling operation can be performed while confirming that air bubbles are not mixed in the backing material from the opening window.

[0008] In the configuration of the second aspect, the inclination angle
The backing material gently flows down the outflow pipe which is inclined at an angle of 45 degrees or less to prevent air from being mixed in.
By providing an on-off valve at the lower end of the outflow pipe, if the mixed air to Urakomi material flowing through the flow exits the tube, a plurality of which
The filling operation can be performed while confirming from the see-through window part that the on-off valve is closed and confirming that no bubbles are mixed in the backing material from the see-through window part.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 4 show a first embodiment of the present invention.
A plurality of filling holes 2 are formed in a vertical direction in a paving slab (hereinafter referred to as a “paving plate” ), and the filling holes 2 are formed on a straight lower hole portion 3 by a taper that expands upward through a step 3A. A hole 4 is formed. A backing material 5 such as grout is provided between the filling hole 2 and the back surface 1A of the paving slab 1 and the subgrade R.
As shown in FIG. 1, a filling device 6 for filling the backing material 5 is provided with a relatively large storage container 8 for storing the backing material 5 at the upper part of the leg 7. container 8 as well as have a bottom plate 8A and the side plates 8B, as is apparent in FIG. 1
The upper is open and connected in communication with the upper end of the flow-down adjustment path serving outlet pipe 9 which is obliquely downward at the bottom of the container 8, the upper end of the outflow pipe 9, through the fluid outflow tract 9 An on-off valve 10 capable of adjusting the flow rate of the backing material 5 is provided.
By adjusting the opening of a valve body (not shown) by operating the opening adjustment knob 10A, the flow rate of the backing material 5 can be adjusted. Further, a tapered nozzle 11 is connected to the lower end of the outflow pipe 9. I have. The outflow pipe 9 is set at an inclination angle θ of 45 degrees or less and has a length of, for example, about 3 meters, and the upper part thereof is approximately one-fourth the diameter of the outflow pipe 9 as shown in FIG. Is cut out to form an open window 12 which is long in the length direction of the outflow pipe 9, the amount of air entrained in the backing material 5 is visible, and when the on-off valve 10 is opened more than necessary, The backing material 5 overflows. The nozzle 11 is made of a flexible member such as a hose, and has an inner diameter that decreases toward the tip, and an outlet 11A is formed at the tip. Then, the backing material 5 from the backing material source container 13 is stored in the storage container 8 by the pump 14.

In FIG. 3, 15 is a lid for closing the lower hole 3 through the step 3A, 16 is a non-shrink mortar filled in the tapered hole 4, and 17 is a lower end of the outflow pipe 9. It is support to support. FIG. 4 is a cross-sectional view showing the vicinity of the height adjusting tool T.
A plurality of stepped holes 18 are formed in the vertical nut body 20 having a plurality of raised ribs 19 formed on the outer periphery below the stepped holes 18.
Are integrally fixed by an insert, and the nut body 20 is fixed.
The height adjusting bolt 21 is screwed into the
A protection plate 22 made of a metal plate or the like is arranged between the lower end of the pavement R and the roadbed R, and the height of the pavement plate 1 is adjusted by rotating the height adjustment bolt 21. After the adjustment, the non-shrink mortar 16 is filled in the stepped hole 18.

Next, the method of constructing the paving slab having the above construction will be described. As shown in FIG. 1, adjacent paving slabs 1 and 1 are laid, and the paving slabs 1 and 1 are adjusted by a height adjusting tool T shown in FIG.
Adjust the height of 1. When filling the backing material 5 between the back surface 1A of the paving slab 1 and the roadbed R, the above-described filling device 6 is used, and as shown in FIG. The backing material 5 sent through the nozzle is collected and allowed to stand still, and the outlet 11A of the nozzle 11 is inserted into the filling hole 2 and set. An opening window formed by cutting the upper part of the outflow pipe 9
The opening of the on-off valve 10 is adjusted while confirming that no air bubbles are mixed into the backing material 5 in the outflow pipe 9 through the outlet pipe 12, and the backing material 5 is removed from the back surface of the paving slab 1 through the outlet 11A. Fill the 1A side,
If air bubbles are mixed, the filling from the filling hole 2 is stopped, the backing material 5 is flowed by a predetermined amount, and the filling is performed after confirming that there are no air bubbles. And the backing material 5 flowing in the outflow pipe 9
The outflow pipe 9 is obliquely provided, and an excessive flow rate flows through the outflow pipe 9 so that the outflow pipe 9 overflows from the opening window 32 above the outflow pipe 9. It is sent to the nozzle 11 and the outlet 11
By adjusting the flow rate flowing down from A, the backing material 5
Can be reliably prevented from mixing with air to generate air bubbles.

As described above, in this embodiment, in the backing material filling apparatus for the pavement plate 1 for filling the backing material 5 from the filling hole 2 formed in the pavement plate 1, 5 and the receiving container 8 an open top for housing, set in the container 8
The bottom plate 8A of the storage container 8 is supported above the paving slab 1.
When the upper end communicates with the lower leg 7 of the storage container 8
Outflow pipe 9 inclined downward at an inclination angle θ of 45 degrees or less
When, the outlet pipe 9 provided at the upper side of the outflow pipe 9 Nature
An adjustable opening and closing valve 10 the flow rate of Urakomizai 5 flowing down, tapering made of a flexible member that is connected to the lower end of the flow tube 9
Nozzle 11 with a shape, and a flow located between on-off valve 10 and nozzle 11
Approximately one-fourth of the diameter of the outflow pipe 9 provided at the top of the outflow pipe 9
Of the outflow pipe 9 formed by cutting off a portion of
Since the backing material 5 slowly flows down the slanted outflow pipe 9, the entry of air is prevented, and the opening / closing valve 10 is operated.
By adjusting the flow rate of the backing material 5 flowing out, the intrusion of air into the backing material 5 can be suppressed . Also, since the outlet pipe 9 is provided with a interior visible window portion serving opening window portion 12 of the flow extraction tube 9, if the mixed air to Urakomi material 5 flowing in the outflow pipe 9, This can be visually recognized from the opening window portion 12 to close the on-off valve 10 to stop filling, or the opening degree of the on-off valve 10 can be adjusted to prevent air from being mixed . Furthermore, since the upper part of the outflow pipe 9 is opened between the on-off valve 10 and the nozzle 11 to form an open window 12 serving as a window, the outflow pipe 9 is unnecessarily formed. When the backing material 5 flows, since the backing material 5 overflows from the opening window 12 above the outflow pipe 9, an appropriate amount of the backing material 5 is caused to flow down by operating the on-off valve 10 to prevent air from being mixed. In addition, the filling operation can be performed while confirming that air bubbles are not mixed in the backing material 5 from the opening / closing window portion 12 . Further, with a simple structure that cut the upper portion of the outlet pipe 9, to be able to visually recognize the state of Urakomi material 5 flowing fluid extraction tube 9 and it is overflowing outside when flow excessive flow out Further, since the opening window portion 12 is long in the length direction of the outflow pipe 9 and is formed up to a position close to the nozzle 11, the excess filler material 5 overflows to the outside during this time, so that air is released. It is possible to make a gentle flow without mixing, and it is possible to confirm the air mixing of the filler 5 almost immediately before filling the filling hole 2. Further, since the inclination angle θ of the outflow pipe 9 is set to 45 degrees or less, it is possible to prevent the filling material from flowing down relatively vigorously as in the case of the conventional funnel-shaped container, thereby preventing air from being mixed. Furthermore, since the nozzle 11 provided at the lower end of the inclined outflow pipe 9 has flexibility, the tip of the nozzle 11 can be easily inserted and arranged in the vertical filling hole 2.

FIG. 5 shows a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the detailed description thereof will be omitted. At the lower end, an on-off valve 10 is connected, and at the same time, a nozzle 11 is connected to the on-off valve 10, thereby connecting the nozzle 11 to the lower end of the outflow pipe 9. A plurality of see-through windows 12A made of a light-transmissive material are provided so that the inside of the backing material 5 flowing through the outflow pipe 9 from the see-through windows 12A can be checked . It has the same operation and effect as the first embodiment.

As described above, this embodiment corresponds to claim 2.
Then, the backing material 5 is filled from the filling holes 2 formed in the pavement plate 1.
Backing material 5 is stored in the backing material filling device for the paving slab 1
A storage container 8 having an open upper part,
The bottom plate 8A of the storage container 8 is supported above the paving slab 1.
When the upper end communicates with the lower leg 7 of the storage container 8
Outflow pipe 9 inclined downward at an inclination angle θ of 45 degrees or less
And provided at the lower end of the outflow pipe 9
An on-off valve 10 capable of adjusting the flow rate of the backing material 5 flowing down;
A taper made of a flexible member connected to the lower end of the on-off valve 10
Nozzle 11, located between the on-off valve 10 and the storage container 8.
Are provided at the upper part of the outflow pipe 9 to view the inside of the outflow pipe 9.
A transparent window portion 12A made of an acceptable translucent material.
Therefore, the outflow was inclined at an inclination angle θ of 45 degrees or less.
As the backing material 5 flows down slowly in the pipe 9,
Air is prevented from entering, and an on-off valve is provided at the lower end of the outflow pipe 9.
By providing 10, the backing material 5 flowing in the outflow pipe 9
If air is mixed, remove it through multiple
Confirmation, close the on-off valve 10, and in this way, the see-through window 12
Check that no air bubbles are mixed in the backing material 5 from A.
The filling operation can be performed.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, as the on-off valve, the opening degree can be easily adjusted by using a gate valve or a butterfly valve, but other types of valves such as a globe valve and an angle valve can be used.

[0016]

According to a first aspect of the present invention, there is provided an apparatus for filling a backing material of a paving slab in which a backing material is filled from a filling hole formed in a pavement slab, the storage container having an open upper part for storing the backing material. When the bottom plate of the receiving container provided in the container the shop
A leg for supporting the upper Soban, the outflow pipe that obliquely downward inclination angle of 45 degrees or less communicated with an upper end to a lower portion of the container, the outlet pipe provided at the upper side of the outflow pipe consisting of the natural flow of the Urakomi material flowing down the adjustable opening and closing valve, the flexible member connected to the lower end of the outlet tube
A tapered nozzle and a position between the on-off valve and the nozzle.
The outlet pipe is provided above the outlet pipe and has a diameter substantially equal to the diameter of the outlet pipe.
The length of the outflow tube formed by cutting a quarter part
A backing material filling device for a pavement plate, which has an opening window portion that is long in the direction of the backing and can prevent air from being mixed into the backing material.

According to a second aspect of the present invention, there is provided a backing material filling apparatus for a pavement plate for filling a backing material from a filling hole formed in a pavement plate, wherein a storage container having an open upper part for storing the backing material is provided. The bottom plate of the storage container is provided on the pavement.
A leg for supporting the upper Soban, the outflow pipe that obliquely downward inclination angle of 45 degrees or less communicated with an upper end to a lower portion of the container, the outlet pipe provided at the lower side of the outlet pipe An on-off valve capable of adjusting the flow rate of the backing material that naturally flows down, and a flexible member connected to a lower end side of the on-off valve.
A nozzle tapered that, between the said opening and closing valve the receiving container
And a plurality of outlet pipes are provided above the outlet pipe.
It is provided with a see-through window portion made of a translucent material whose inside can be visually recognized, and it is possible to provide a backing material filling device for a pavement plate capable of preventing air from being mixed into the backing material.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a first embodiment of the present invention.

FIG. 2 is a sectional view of an outflow pipe according to the first embodiment of the present invention.

FIG. 3 is a sectional view of a filling hole showing the first embodiment of the present invention.

FIG. 4 is a sectional view showing the vicinity of a height adjuster according to the first embodiment of the present invention.

FIG. 5 is a sectional view showing a second embodiment of the present invention.

[Explanation of symbols]

1 pavement 1A backside second filling hole 5 Urakomizai 6 filling device 7 leg 8 container 9 outlet pipe 10 off valve 11 nozzle 12 opening windows 12A through window portion θ tilt angle

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Minoru Hatakeyama 3-3-7 Kita 1-Jo Nishi, Chuo-ku, Sapporo-shi, Hokkaido Inside Obayashi-gumi Sapporo Branch (72) Inventor Kazuei Kudo 1 Oyaji Nishi, Atsubetsu-ku, Sapporo-shi, Hokkaido -10-1 Nippon Samicon Co., Ltd. Sapporo Branch (56) References Japanese Utility Model Showa 57-178805 (JP, U) Japanese Patent Publication 43-4697 (JP, B1) Japanese Patent Publication 47-38101 (JP, B1) 47-1594 (JP, Y1) 7-12067, JP (Y1)

Claims (2)

(57) [Claims] 1. A pavement Urakomi material filling device for filling the Urakomi material from the filling hole formed in pavement, a storage container top for accommodating the Urakomi member is opened, set this container
And supports the bottom plate of the storage container above the paving slab.
The upper end communicates with the leg and the lower part of the storage container and is tilted.
An outlet pipe swash angle is obliquely downward at 45 degrees or less, and the Urakomi material flow adjustable-off valve for gravity flow of the provided the outflow pipe to the upper end side of the outflow pipe, the outlet pipe the lower end
A tapered nozzle made of a flexible member connected to the on- off valve and the outlet pipe located between the on-off valve and the nozzle.
Cut off approximately one-fourth of the diameter of the outflow pipe provided at the top.
A backing material filling device for a pavement plate, comprising: an opening window formed in the lengthwise direction of the outflow pipe. 2. A pavement Urakomi material filling device for filling the Urakomi material from the filling hole formed in pavement, a storage container top for accommodating the Urakomi member is opened, set this container
And supports the bottom plate of the storage container above the paving slab.
The upper end communicates with the leg and the lower part of the storage container and is tilted.
An outlet pipe swash angle is obliquely downward at 45 degrees or less, and the Urakomi material flow adjustable-off valve for gravity flow of the provided the outflow pipe to the lower end side of the outflow pipe, the on-off valve lower end
A nozzle having a tapered shape made of a flexible member connected to a side thereof, and the outflow pipe located between the on-off valve and the storage container.
A plurality of light transmissions are provided at the top of the
And a see-through window made of a conductive material.