JPH0230436A - Repairing method of snow extinguishing nozzle - Google Patents

Abstract

PURPOSE:To repair an existing snow extinguishing nozzle without destruction of buried concrete, by removing stored materials including a valve cutting out in a circle a center of a ceiling wall of the nozzle by an end mill, and by loading a new material for storage in a vacancy generated after the removal furnishing a balling, a tap and else that fit in with the stored materials such as a new valve. CONSTITUTION:An electric drill being focused to a center of an existing snow extinguishing nozzle 47, a ceiling wall 48 thereof is cut out in a circle by an end mill 21, leaving a watering hole 49. Then, a stored material 51 such as an old valve is removed out of a hollow part cut out. The end mill being removed, a piercing drill 22, a tap 23 are furnished in sequence, and a screw hole is formed in a nozzle case 52, a part that includes the watering hole of the ceiling wall is removed by an end mill for balling 24. A new material for storage 45 including the watering hole is inserted and engaged with a screw in a hollow part 57 generated by the removal process. There is no need for cutting buried concrete during repairing the snow extinguishing nozzle, the repairing can thus be done rapidly.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a repair method for snow removal nozzles buried in paved surfaces such as paved roads.

[Conventional technology]

Conventionally, the repair method for this type of snow removal nozzle was to remove the entire old snow removal nozzle by scraping the buried concrete on the snow removal nozzle, install a new snow removal nozzle in its place, and fix the surrounding area with concrete. Are known.

[Problem to be solved by the invention]

The total replacement method described in the above-mentioned conventional technology causes large noise and vibration when breaking the concrete, requires a long curing time for the concrete to harden, and also requires traffic control during curing. In particular, repairs carried out in the winter are not only inconvenient because concrete is difficult to harden in cold temperatures, but also the curing time and traffic regulation time are extended, and there is also snow on the roadside, which means that the road is inconvenient for a long time during construction. There were deficiencies such as the danger level being increased due to the narrowness of the area.

An object of the present invention is to provide a method for repairing a snow removal nozzle that fully eliminates the above-mentioned defects.

[Failure to solve the problem]

In order to achieve the above object, the repair method for the snow removal nozzle of the present invention includes the steps of cutting the center part of the top wall of the nozzle body of the existing snow removal nozzle into a circle with an end mill, A process of removing the old parts and built-in parts such as old pulp, a boring process and a tapping process to fit the built-in parts such as new valves, which are performed in the space created by the removal, and a process of drilling new valves, etc. in the said space. This process includes a step of loading the built-in components into a suitable state using the tapped holes, and a finishing step of cutting the built-in items to the same height as the road surface.

[Example] and [Effect] Next, embodiments of the present invention will be described with reference to the drawings.

First, a base plate made of magnetic metal plate with a manual handle (1)'
Screw holes (not shown) penetrating vertically are provided at both corners of the front side and at the center of the rear side of 1), and the threaded rods for landing legs (2) ( 2+' (3)
Screw the top and bottom ends of the screws into both the top and bottom of the base plate (1), and attach these landing screw rods (202)' (3
) has a removable no. / dollar (4) on the top end of the platform (1), and conveyance floats (5) on both sides of the rear edge of the platform (1).
' to configure the pedestal (6), and the base plate (1
) is equipped with a saddle (9) with a set screw (8) that can be moved forward and backward by force, and a rotary table αυ with a set screw (1G) is installed on top of this saddle (9). , A slide head I that slides up and down by a machine base (12, a handle Q3 and a rack mechanism not shown on the front of this machine base α2) is attached to this slide head (B) on top of this rotary base I. Metal fittings (I9 and mounting screws (Ll (1G')
A shank holder is provided at the lower end of the main shaft a barrel of the electric drill main body a, and a blade holder (a) is provided on the outer periphery and bottom of the cylinder in the shank holder (11). End milk for ceiling wall cutting with
, between the prepared holes, a drill (22+), a tap (c), and an end mill for boring (2)
At the same time, on the machine stand tL2, a slide gauge (c) for measuring the vertical movement of the slide head U is installed next to the slide head α so as to be movable up and down. A pair of weight bodies (goods) with handles are constructed separately, and a construction machine (c) is constructed which is used by placing the weight bodies (c) on a base plate (1).

Separately from this, a lid body (C) is formed which is donut-shaped, has an O-ring 0υ fitted on its outer circumferential surface, and has new slanted water holes (C) with both upper and lower ends open at appropriate locations. , a second female screw (material) is carved on the inner circumferential surface of this lid body (c), and a first
Insert the male thread (to) and the zl@screw holder and the third female thread 0' on the inner periphery of the upper end. ) are connected by screwing the second female screw (2) and the first male screw (to), and the tube c! A fixing hole (toward) for water conduction that communicates with the inside and outside is opened at the intermediate height of 4, and separately from this, it has a cylindrical shape with a closed top surface and an open bottom surface, and a third hole is provided on the outer peripheral surface of the upper half. This water control piece (A3
into the tube body (to) from above and tighten the third female screw c.
37) and the third male screw (4η), and then attach the water control piece (
Movable hole for water introduction (2) with both ends opening inward and outward in the peripheral wall of
) will constitute the new pulp, etc. built-in material 4.

In this way, the construction equipment (c) and the new pulp contents were brought to the site, and the construction equipment (c) was connected to the existing snow removal nozzle (c).
47) on the buried road surface and place the weight body (c) on it, then use the handle (4) to attach the threaded rod (2) (2)' (3) for the Keiru landing leg. Rotation, power,
After adjusting the horizontal orientation of the base plate (1),
) to move the saddle (9), loosen the rotation stop screw αQ and turn the rotation white side, tighten the rotation stop screw 鵵, tighten the movement stop screw (8), handle (13) to adjust the height of the drill body (17), align the center of the shank holder α field with the center of the existing snow removal nozzle (47), and use this shank holder α9 for ceiling wall cutting. Attach the end mill T21) and check whether the bottom blade of the ceiling wall cutting end mill (T21) hits the predetermined location of the existing snow removal nozzle (4 forces) using the handle (1).
3), check by lowering the electric drill body (17), and if at this time the bottom blade of the end mill Cv for cutting the ceiling wall does not hit the existing snow removal nozzle 07) accurately, lower the saddle (9). ) position, direction of rotating table (Ll),
Furthermore, the position of the base plate (1) is corrected, and after the ceiling wall cutting end mill Cυ is accurately positioned, the tightening of the set screw (8) and the set screw aO) is confirmed.

Next, operate the handle holder Q to insert the bottom blade of the top wall cutting end mill I21) into the top wall (9) of the existing snow removal nozzle 0η.
), and while it is in contact, move the slide gauge (c) up and down to align its point with the reference point (not shown), then return the handle α~. Connect the bottom blade (E) of the end mill CL knife to the existing snow removal nozzle (
471 from the top wall (9), and in this separated state, rotate the electric drill body (lη) and rotate the handle (9).
Lower the end mill (2) by operating the
Cut into a circle, leaving the edges intact. To check whether this cutting has been done sufficiently, use the slide gauge (
Confirm that the depth of cutting has reached a predetermined dimension by checking the amount of descent of the threaded head a4 on the scale (c).

After that, remove the electric drill body (stop Lη and return it to the upper position, end mill QI for ceiling wall cutting) from the shank holder ← place, and cut the part surrounded by the circular cutting mentioned above.
+ and old built-in valves (5+) are removed using special pliers.

Furthermore, a drill bit is attached to the shank holder a9 between the pilot holes, and the drill bit (2) is rotated and lowered between the pilot holes, and the case of the existing snow removal nozzle (47) is also installed in the case 2.
, 4. A pilot hole 63) is bored in the bottom surface.

Next, a first female screw is carved into the pilot hole (53) using a tap (C). This engraving work is performed using a wrench 69 with a built-in pawl wheel (not shown) for turning the tag (c) with one hand.
This is achieved by rotating the wrench can by using the wrench can, and rotatably fitting the short round bar bottle pre-installed on the wrench can into the shank holder holder to prevent the head from wobbling.

After that, remove the shank holder a9, the tab (c) and the wrench (b), attach the boring end mill Q (a) to the shank holder, and use this boring end mill to connect the existing tube snow nozzle ( The ceiling wall and other parts including the old water sprinkling hole (49) at 4η are removed.

By doing this, the processing for the existing tube snow nozzle 07) is completed.

Next, insert the new valve and other built-in parts 9 into the space 7) created by removing the old pulp and other built-in parts 61), and connect the second male screw (to) to the first female screw (to). Through this screwing, the outer circumferential surface of the lid body (to) and the incisal edge surface (
) and between these opposing surfaces is the 0 ring 01.
) to make it airtight, and then connect the existing tube snow nozzle (for case 4, the top surface of 2 and the top surface of built-in materials such as new pulp (c) and lf
The work is completed by carving and finishing the work to the same height using a Sangu.

In addition, drilling the pilot hole line between the pilot holes with the drill bit (2), carving the first female screw with the tap (second floor), and cutting out the ceiling wall, etc. with the boring end mill are as described above. They do not have to be written in the same order as .

〔Effect of the invention〕

The snow removal nozzle repair method of the present invention does not require scraping the buried concrete around the old snow removal nozzle, and greatly solves the above-mentioned problems such as noise, vibration, time, and danger. .

[Brief explanation of the drawing]

FIG. 1 is a flowchart of an embodiment of the present invention, FIG. 2 is a front view showing a construction machine used for carrying out the present invention, FIG. 3 is a plan view, and FIG. 4 is a side view. (1)...Baseboard, (1)'...Handle, (
2)(2)' (3)...Screw rod ready for landing, (4)・
...Handle, (5H5)'...Float, (6)...
Frame, (7)...handle, (8)...movement screw,
(9)...saddle, kiln...rotation stop screw, ■...
Turntable, ■...Machine base, α-teng...handle, α-hiro...
・Slide head, Lue...Mounting metal 4, (Lue' ・
...Mounting screw, (L7) ...Electric drill body, (18
---Main shaft, wire...shank holder, CI! 0) Kan'
...Blade, 3υ...End mill, ■...Drill, (
C)...Tag, (Foundation)...End mill, (C)...
...Slide gauge, kiln...handle, (c)...weight body, @...construction machine, 0 gauze...0 ring, (to)...folding water hole, (to) ... Lid body, (B) ... Second female screw, (C) ... First male screw, (To) ... Second
Male thread, (c)... 3rd female thread % (to)... pipe body,
G...Fixing hole, (4υ...3rd male screw, (mouth...
・Driver groove, αj... water control piece, (4 (a)...
・Movable hole, 4...New pulp built-in, (47)...Existing snow removal nozzle, (Foundation) ceiling wall, (49)...Old watering hole,
(!50)...Part, 6υ...Built-in old valve, 6
3... Case, e531... Pilot hole, (Foundation)... No. 1 L screw, Hammer... Wrench, (G)... Faint bottle,
F17)...space, (to)...incisal surface, 69...
The old cap, the new cap.

Claims (1)

[Claims] The process of cutting the central part of the top wall of the nozzle body of the existing snow removal nozzle into a circle using an end mill, the process of removing the part surrounded by the circular cut and the built-in contents such as the old bubble, and the process of removing the A boring process and a tapped hole cutting process to fit the built-in parts such as new valves are carried out in the formed space, and a process to load the new valves and other built-in parts into the space using the tapped holes in a compatible state, and the process is the same as the road surface. A snow removal nozzle repair method characterized by a finishing process that involves cutting to height.