JP3229290B2 - Underground snowmelt - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground snow-melting shelter capable of dropping snow in a snowfall area and melting the dropped snow with hot air.

[0002]

2. Description of the Related Art Conventionally, in a snowfall area, snow removed in a parking lot or the like is piled up in a corner of the parking lot or loaded into a dump truck and dumped in a river, the sea, or a dedicated snow dump. The snow removal method in which the snow is piled up at the corner of the parking lot has inconveniences, for example, when the amount of snow to be removed is large, the space in the parking lot is reduced, and the piled-up snow does not melt easily even in spring. Also, rivers,
The snow removal method of dumping in the sea or a dedicated snow dump has disadvantages such as an enormous cost for snow removal and an economically large burden.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention provides an underground snow-melting pit which can solve the above-mentioned inconvenience by dropping snow from a parking lot or the like and melting the dropped snow with hot air. is there.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a snow melting tank buried in the ground and having a bottom surface as a ground, a metal front wall around four sides, and a surface facing the front wall. A front wall, a rear wall, a rear wall connected to the rear wall, a left wall connected to the front wall and the rear wall on the left and right, and a right wall connected to the front wall and the rear wall. A rectangular parallelepiped container assembled with bolts and nuts, a large-capacity snow input room consisting of a front wall, a right wall, a rear wall, and a partition wall, and a front wall and a partition formed by a metal plate partition wall that partitions the container into right and left. It is divided into a machine room consisting of a wall, a rear wall and a left side wall. The machine room houses a jet heater, a drum for storing fuel, and a submersible pump, and the jet heater is provided with an electric fan provided outside. Connect a fan pipe that takes in outside air, and A hot-air port lid is provided in the hot-air port opened to the partition wall opposite to the mouth so as to be vertically movable and openable and closable, a hot-air vent gap is provided at the upper end of the right side wall of the snow throwing chamber, and the opening of each chamber of the container is individually set. It is covered with a metal plate lid so that it can be opened and closed freely.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION When an iron plate lid of a container of an underground snow melting trench is lifted upward and an opening of the container is opened, snow in a parking lot or the like is removed by a loader or a snow dump, and a snow dump or the like is performed. Is put into the snow chamber of the container, and when the snow chamber becomes full of the dumped snow, the hot-air porch of the partition wall is pulled up, and the opening of the container is closed with a steel plate lid. Next, when the switch is turned on to the jet heater and hot air is injected from the hot air port into the snow input chamber, the snow in the snow input chamber is melted by the direct hot air, the hot air further rises, and the right wall side is along the iron plate lid. While flowing to and being exhausted to the outside from the gap between the iron plate lid and the right side wall, the hot air along the iron plate lid flows to the gap while melting the surrounding snow,
Since the surrounding iron plate walls are also warmed, the snow can be effectively melted, and the water melted by the hot air flows downward to melt the snow. Then, the iron plate lid is opened again, and the snow in the parking lot or the like is put on a snow dump or the like and dumped into the snow input chamber, and the snow can be melted in a short time by the jet heater repeatedly as described above. This means that once the snow drops and the jet heater is ignited, you can concentrate on your job.

[0006]

Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG.
A groove having a required width and depth is excavated in one corner of a parking lot or the like, and a metal plate, for example, an iron plate front wall 1, a right wall 2,
A rectangular parallelepiped container 7 surrounded by a rear wall 3, a rear wall 4, a left side wall 5, and a front wall 6 is provided, and a metal plate, for example, an iron plate partition wall 8 is provided in the container 7 to partition left and right. , A snow input room 9 composed of a right side wall 2, a rear wall 3 and a partition wall 8, and a machine room 1 composed of a front wall 6, a partition wall 8, a rear wall 4 and a left side wall 5.
0, and the opening of the container 7 is covered with a metal plate, for example, an iron plate lid 11. The bottom surface 12 of the container 7 is made of ground and is not coated with an iron plate so that the melted water of the snow can penetrate into the basement. Or a drainage pipe may be buried and drained to an irrigation canal.

As shown in FIG. 1, the container 7 includes a front wall 1, a right side wall 2, a rear wall 3, a rear standing wall 4, a left side wall 5, and a front standing wall 6.
And the partition wall 8 can be assembled and formed with the insertion bolts 13 and the nuts 17. The front wall 1, the rear wall 3, the rear standing wall 4, and the front standing wall 6 are welded with L-shaped angle members at least at both left and right end portions. The right-side wall 5, the left-side wall 5, and the partition wall 8 are provided with bolt holes 14 that are fixed and provided with bolt holes 14 on the rising surfaces of the L-shaped angle members, into which the bolts 13 are fitted. 13 is inserted, and the sponge packing 15 is sandwiched between the nuts 17 and fixed.

Next, each wall will be described in detail.
As shown in the figure, the front wall 1 and the rear wall 3 are rectangular, and an attachment portion 16 is formed by welding and fixing an L-shaped angle material to both left and right outer walls, and a bolt hole is formed in a rising surface of the attachment portion 16. 14. A hinge 28 is provided on the upper part of the rear wall 3 so as to be able to open and close the iron plate lid 11 of the snow throwing chamber 9, and a handle 29 is provided on the upper surface of the iron plate lid 11.

The right side wall 2 and the left side wall 5 are rectangular and have bolt holes 14 formed at both ends in the front-rear direction so as to be fitted into the bolt holes 14 of the mounting portion 16, and the upper end inner wall surface has L holes. The lid mounting 27 is formed by welding and fixing the U-shaped angle material. The right side wall 2 is assembled and fixed to a mounting portion 16 of the front wall 2 and the rear wall 3 via a plug bolt 13, and the left side wall 5 is inserted into a mounting portion 16 of the rear wall 4 and the front wall 6. It is assembled and fixed via bolts 13. A notch is formed between the lid rest 27 of the right side wall 2 and the front wall 1 and the rear wall 3 so as to be slightly lower than the other walls, so that the iron plate lid 1 is formed.
1 to form a hot air vent gap 18 for hot air to escape
I do .

The rear standing wall 4 and the front standing wall 6 are rectangles narrower than the front wall 1, the right side wall 2, the rear wall 3, the left side wall 5, and the partition wall 8, and have L-shaped outer wall surfaces at both ends in the left-right direction. The mounting portion 16 is formed by welding and fixing the mold angle material.
Has a bolt hole 14 on its rising surface. And
A hinge 28 is provided on the upper part of the rear wall 3 so that the iron plate lid 11 of the machine room 10 can be opened and closed.
A handle 29 is provided on the upper surface of 1. In addition, an attachment portion 16 between the front wall 1 and the front wall 6 and an attachment portion 1 between the rear wall 3 and the rear wall 4
6 and the two ends of the partition wall 8 are inserted between the joints thereof. After the three bolt holes 14 are aligned with each other, the insertion bolt 13 is inserted and tightened with the nut 17 to secure the partition wall. 8 is assembled and fixed.

The partition wall 8 is a rectangle having the same size as the right side wall 2 and the left side wall 5, and has the mounting portions 16 at both ends in the front-rear direction.
A bolt hole 14 is formed at a position where the bolt hole 14 is fitted to the bolt hole 14, and an L-shaped angle material is welded and fixed to both upper end wall surfaces to form a lid mount 27. Furthermore, the partition wall 8
A hot air port 19 is opened in the lower center of the hot air port 19, and a hot air port lid 21 fitted to a reinforcing bar frame 20 is supported on the machine room 10 side of the hot air port 19 so as to be openable and closable.

The snow chamber 9 is a large space, and the machine room 10 is provided with a jet heater 22 having a hot-air injection port facing the hot-air port 19 of the partition wall 8 to take in outside air. Is connected to the jet heater 22, and an electric fan 24 connected to the fan pipe 23 is provided outside. In the space of the machine room 10, a drum 25 for storing fuel of the jet heater 22, a submersible pump 26 for discharging water accumulated in the snow chamber 9 and the like are provided.

Next, the method of using the underground snow-melting pit of the present invention will be described. The iron-plate lid 11 of the container 7 of the underground snow-melting pit is lifted upward and through the hinge 28 provided on the upper part of the rear wall 3. The iron plate lid 11 of the snow throwing chamber 9 can be opened by opening the iron plate lid 11 of the machine room 10 or by hooking and pulling a winch wire on the handle 29 of the iron plate lid 11.

If the opening of the snow chamber 9 is opened,
The snow in the parking lot or the like is removed by a loader or a snow dump, and the snow is dumped on the snow dump or the like into the snow input chamber 9. When the snow input chamber 9 is full of the dumped snow, the partition wall 8 is removed. After the hot air mouth cover 21 is lifted, the iron plate cover 11
To close the opening of the snow input chamber 9.

Since the hot-air port lid 21 has already been lifted, the hot-air port 19 of the partition wall 8 is open. When the jet heater 22 is switched on and hot air is injected from the hot-air port 19 into the snow chamber 9, direct hot air is applied. The snow in the snow input chamber 9 is melted, and the hot air further rises and flows along the iron plate lid 11 to the right side wall 2 side, and is exhausted to the outside through the gap 18 between the iron plate lid 11 and the right side wall 2.

At this time, the hot air flowing along the iron plate lid 11 flows into the gap 18 while melting the surrounding snow, and also heats the surrounding steel plate walls, so that the snow can be melted effectively and the hot air The water that has been melted will melt snow while flowing downward. In this way, the snow in the underground snowmelt can be melted in a short time by the hot air from the jet heater 22, and if the melted water does not penetrate into the underground, the water flows from the hot air vent 19 into the machine room 10. However, if water accumulates in the machine room 10, the water can be drained to the outside by operating the submersible pump 26.

When all of the snow that has been thrown in has melted, the iron plate lid 11 of the snow throwing chamber 9 is opened again, and snow from a parking lot or the like is put on a snow dump or the like and dumped into the snow throwing chamber 9. As described above, the snow can be melted by the jet heater 22 in a short time. In the embodiment, the case where only one underground snow-melting pit is provided is described. However, in the case of a large parking lot or the like, two underground snow-melting pits can be provided in series to efficiently melt snow.

[0018]

According to the present invention, the hot air of the jet heater flows from below the partition wall to the upper side of the opposing right side wall and is exhausted, so that the injected snow is directly melted, and the lid and the four peripheral wall surfaces are heated. The melted water flows downward and melts the snow, so that the synergistic effect can melt the snow efficiently. Further, since the hot air port facing the hot air injection port can be opened and closed, there is an effect that safety of combustion is ensured.

[Brief description of the drawings]

FIG. 1 is a perspective view of an underground snow melting pit of the present invention.

FIG. 2 is a plan view of an underground snow melting pit of the present invention.

FIG. 3 is a perspective view of the underground snow melting pit of the present invention from another direction.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front wall 2 Right side wall 3 Rear wall 4 Rear wall 5 Left side wall 6 Front wall 7 Container 8 Partition wall 9 Snow input room 10 Machine room 11 Iron plate lid 12 Bottom 13 Plug-in bolt 14 Bolt hole 15 Sponge packing 16 Mounting part 17 Nut 18 Hot air vent gap 19 Hot air port 20 Reinforcement frame 21 Hot air mouth lid 22 Jet heater 23 Fan pipe 24 Electric fan 25 Drum can 26 Submersible pump 27 Cover rest 28 Hinge 29 Handle

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E01H 5/10

Claims (1)

(57) [Claims] 1. A snow melting tank buried in the ground and having a bottom surface.
And articulating four surrounding metal of the front wall, vertical wall prior to connecting flush to the front wall, a rear wall, vertical wall after the articulating flush the rear wall, the vertical wall before and after the standing wall respectively the left and right left Wall, a rectangular parallelepiped container assembled with plug-in bolts and nuts surrounded by a right wall connected to the front wall and the rear wall, and a front wall, a right wall, a rear wall, and a metal plate partitioning the container into left and right. It is divided into a large-capacity snow input room consisting of a partition wall, and a machine room consisting of a front wall, a partition wall, a rear wall, and a left side wall. The machine room has a jet heater, a fuel storage drum, and a submersible pump. The storage
The jet heater is equipped with an electric fan
Connecting the fan pipe to incorporate the outside air, said jet
Hot air opened on the partition wall facing the hot air injection port of the heater
Mouth hot palate provided vertically movable closing the right snow loading chamber
An underground snowmelt, wherein a hot air vent gap is provided at an upper end of a side wall, and an opening of each chamber of the container is openably and closably covered with a lid made of a metal plate.