JPH0683926B2 - Construction machinery used to repair snow-melting nozzles - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a repairing machine for a snow-melting nozzle buried in a pavement surface such as a pavement, and more particularly to a nozzle body of an existing snow-melting nozzle. Process of cutting the central part of the ceiling wall of the car in a circle with an end mill, the process of removing the part surrounded by the circular cutting and the internal components such as old valves, and the new valve to be applied in the space formed by the removal. Snow-melting that consists of a boring process and tap hole cutting process with an end mill that fits the built-in object, a process of loading the new valve built-in object into the above space in a suitable state by using the tap hole, and a finishing process to cut to the same height as the road The present invention relates to a snow repairing nozzle repairing machine used for carrying out a nozzle repairing method (refer to Japanese Utility Model Publication No. 3-60964 by the same inventor).

(Prior art) Conventionally, this kind of snow-melting nozzle has been repaired by shaving the concrete for burying the snow-melting nozzle with a concrete crusher or a concrete cutter to remove the entire old snow-melting nozzle and installing a new snow-melting nozzle instead. , The whole area was fixed by concrete and the surroundings were replaced.

However, in the case of the whole replacement method, noise and vibration at the time of hardening concrete are large, a long curing time is required until the concrete is hardened, and traffic regulation is required during the curing. Especially during repairs that are performed in the winter, concrete does not easily harden in cold temperatures, so the curing time and traffic regulation time will be longer, and there is snow on the roadside, so the road width will be long during construction. There was a defect that the danger level was extremely high because the width became narrower.

In addition, Japanese Utility Model Publication No. 54-5415 discloses a self-propelled horizontal drilling machine, which is horizontal or horizontal because its main shaft (indicated by reference numeral (20) in the publication) is horizontal. It is not possible to repair an existing snow-melting nozzle that is buried on a road surface that is almost horizontal. Cutting the central part of the top wall of the nozzle body, which will be described later, into a smooth circular shape on the cut peripheral wall surface (in the present invention, an end mill is used. Since it is easy to obtain the close contact state of the O-ring 31, it is difficult to perform advanced techniques, long working hours, and complicated processing. Therefore, it is not suitable for repair work with restrictions such as the above traffic regulations. In addition, according to Japanese Utility Model Publication No. 528152, there is a concrete core drill that can move up and down with the cutting edge facing downward (it cannot rotate). Be disclosed That is, also, there is the above defects, in which not suitable for repair work with a similarly transportation regulations limit the above known example.

It is an object of the present invention to provide a new snow-melting nozzle repairing machine that is effective for repairing work, that is, can sufficiently eliminate the above-mentioned defects.

(Means for Solving the Problems) In order to achieve the above object, a snow-melting nozzle repair work machine according to the present invention is designed to cut a central portion of a ceiling wall of a nozzle body of an existing snow-melting nozzle for cutting the ceiling wall. A step of cutting into a circle with an end mill,
The process of removing the part surrounded by the circular cutting and the internal components such as the old valve, the boring process by the end mill for boring that is suitable for the internal components such as the new valve to be performed in the space formed by the removal, and the drilling Drilling process and tapping process with taps for tapping the prepared hole, the process of loading the new valve built-in object in the above space to the applicable state using the tapped hole, and the finishing process of cutting to the same height as the road surface. It is used to carry out the repairing method of the snow-melting nozzle, and it has a portable platform that has a tilt adjustment part, a saddle that can be moved forward and backward on the platform, and a rotation angle can be changed in the forward and reverse directions. A machine stand provided via a possible rotating table, an electric drill body equipped downward on the front of the machine stand via a vertical slide slide head with a handle-operated slide gauge, and an electric drill book The shank holder provided on the lower end of the downward spindle of the body, the end mill for ceiling wall cutting that has blades on the outer circumference and bottom surface of the cylinder that can be arbitrarily replaced with the shank holder, and the shank holder A drill for drilling a hole that can be mounted downward by replacing it, and an end mill for boring that has blades on the outer circumference and bottom surface of a cylinder that can be optionally replaced by a shank holder and can be mounted downward,
The shank holder is provided with a tap for threading into a prepared hole that can be arbitrarily replaced and mounted downward, and a weight body placed on the base.

(Embodiment) and (Operation) Next, an embodiment of the present invention will be described with reference to the drawings. First, both sides on the front side and the center on the rear side of the magnetic metal plate base 1 with a hand handle 1 '. Screw holes (not shown) are formed at the points to penetrate vertically, and these two screw holes for the front side and screw holes for landing legs 2 and 3 are attached to the screw holes on the rear side. It is screwed into both of them, and a handle 4 is detachably attached to the upper ends of the landing leg screw rods 2, 2 ′ and 3, and the floating floats 5 and 5 are provided on both sides of the rear edge of the base 1. The pedestal 6 is constructed by attaching the ‘
Equipped with a saddle 9 with a detent screw 8 on the top of the handle so that it can be moved in the front-rear direction via a handle 7, a rotary base 11 with a rotation stop screw 10 is mounted on the saddle 9, and a machine base is mounted on the rotary base 11.
A slide head 14 that slides 12 up and down on the front of the machine base 12 by a handle 13 and a rack mechanism (not shown).
To the slide head 14 using the mounting bracket 15 and mounting screws.
An electric drill main body 17 is provided downwardly via 16, 16 ', and a shank holder 19 is provided at the lower end of a main shaft 18 of the electric drill main body 17, and the shank holder 19 has blades 20, 20' on the outer circumference and bottom surface of the cylinder. End mill for ceiling wall cutting 21, drill 22 for pre-drilling, tap 23 and end mill for boring
The slide head 14 can be mounted by exchanging it at the same time as the slide head 14 on the machine base 12 beside the slide head 14.
A slide gauge 25 for measuring the vertical movement amount is provided so as to be movable up and down, and separately from this, a pair of weight bodies 27 with handles 26 is configured, and the weight bodies 27 are placed on the base 1. The construction machine 28 to be used as the above is constructed.

Separately from this, a lid 33 having a donut shape and having an O-ring 31 fitted on the outer peripheral surface thereof and further having inclined new water spray holes 32 opened at both upper and lower ends is formed at an appropriate position.
A second female screw 34 is engraved on the inner peripheral surface of 33 to form the second female screw 34.
The first male screw 35 and the second male screw on the outer circumference of the upper and lower ends.
A tubular body having 36 and a third female screw 37 on the inner circumference of the upper end portion.
The second female screw 34 and the first male screw 35 are connected to each other 38 by means of a hinge, and a water guiding fixing hole 39 communicating with the inside and the outside is opened at an intermediate height position of the pipe body 38. A water control piece 43 having a circular shape in which the bottom surface is closed and the lower surface is opened, and a third male screw 41 is engraved on the outer peripheral surface of the upper half and has a driver groove 42 on the upper surface. The third female screw 37 and the third male screw 41 are screwed into the pipe body 38 from above, and a water guiding movable hole 44 having both ends open inward and outward is formed in the peripheral wall portion of the water control piece 43. By incorporating new valves, etc.
Make up 45.

In this way, the construction machine 28 and the new valve and other internal components are brought to the site, the construction machine 28 is placed on the road surface in which the existing snow-melting nozzle 47 is buried, and then the handle 4 is replaced. Turn the landing leg screw rods 2, 2 ', 3
After adjusting the horizontal (tilt) direction of the base 1, operation to loosen the detent screw 8 to move the saddle 9, operation to loosen the detent screw 10 to turn the turntable 11, and re-tighten the detent screw 10 The shank holder 19 is aligned with the center of the shank holder 19 by adjusting the height of the electric drill body 17 with the handle 13, the operation of refastening the detent screw 8, and the like. Attach the ceiling wall cutting end mill 21, and confirm whether the bottom blade 20 'of the ceiling wall cutting end mill 21 hits a predetermined location of the existing snow-melting nozzle 47 by lowering the electric drill body 17 with the handle 13, If at this time the bottom blade 20 'of the end mill 21 for ceiling wall cutting
If it does not hit the existing snow-melting nozzle 47 accurately, the position of the saddle 9, the orientation of the turntable 11, and the inclination and position of the base 1 are corrected, and thus the ceiling wall cutting end mill 21 is accurately corrected. After the positioning, the tightening of the movement stop screw 8 and the rotation stop screw 10 is confirmed, and after this confirmation, the weight body 27 is placed on the base 1.

Next, operate the handle 13 to operate the end mill 21 for ceiling wall cutting.
The bottom blade 20 'of this is lightly applied to the upper surface of the top wall 48 of the existing snow-melting nozzle 47, and in this state, the slide gauge 25 is moved up and down to set its zero point as a reference point (not shown). And then return the handle 13 to the bottom blade of the end mill 21.
20 'is separated from the ceiling wall 48 of the existing snow-melting nozzle 47, and in this separated state, the electric drill main body 17 is rotated and the handle 13 is operated to lower the end mill 21, and then the existing snow-melting nozzle is removed. The central portion of the ceiling wall 48 of 47 is cut into a circle with the old water spray holes 49 left. Whether or not this cutting has been sufficiently performed is confirmed by means of knowing that the depth of cutting has reached a predetermined dimension by looking at the descending amount of the slide head 14 on the scale of the slide gauge 25 that has been adjusted to zero.

After that, stop the electric drill body 17 and then handle
Operate 13 to return it to the upper position, and end wall cutting end mill 21
Is removed from the shank holder 19, and the portion 50 surrounded by the circular cutting and the built-in object 51 such as the old valve are removed by a special pliers.

Further, a pilot hole drilling drill 22 is attached to the shank holder 19, and the pilot hole drilling drill 22 is rotated and lowered to drill a pilot hole 53 on the bottom surface of the case 52 of the existing snow-melting nozzle 47.

Next, the tap 23 is used to engrave the first female screw 54 in the prepared hole 53. In this engraving work, the tap 23 is rotated by using a built-in wrench 55 (not shown) for one-handed reverse rotation stopper and the short round bar pin 56 provided in advance on the wrench 55 is rotated to the shank holder 19. Fits freely to prevent head shake.

After that, tap 23 and wrench from shank holder 19.
55 is removed, the boring end mill 24 is attached to the shank holder 19, and the boring end mill 24 is used to cut off a portion such as the ceiling wall including the old water spray holes 49 in the existing snow removal nozzle 47.

In this way, the processing for the existing snow removal nozzle 47 is completed.

Next, the new built-in valve etc. 45 is inserted into the space 57 formed by removing the old built-in valve 51, and the second male screw 36 is screwed into the first female screw 54. Lid 33
The outer peripheral surface of the above and the smooth cutting edge surface 58 of the hole formed by cutting by the boring end mill 24 are opposed to each other, and the O-ring 31 is used to make the opposing surfaces airtight, and then the existing snow-removing nozzle 47. The upper surface of the case 52 and the upper surface of the built-in object 45 such as a new valve are ground to the same height with a sander,
The work will be completed.

In addition, drilling the pilot hole 53 by the drill 22 for drilling the pilot hole, tap 23
Engraving of the first female screw 54 by the, end mill for boring 24
The removal of parts such as the top wall by the procedure does not have to be in the order described above.

(Effects of the Invention) Since the snow-melting nozzle repairing machine according to the present invention has the above-described configuration, it is effective when used in the above-mentioned snow-melting nozzle repairing method and greatly helps to eliminate the above defects. ,
It has an excellent effect of completely achieving the intended purpose.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, which is a bottom view of the whole, FIG. 2 is a plan view of the same, FIG. 3 is a side view of the same, and FIG. 4 is a flowchart of a construction method using the construction machine of the present invention. Is. 1 ... Base, 1 '... Handwheel, 2, 2', 3 ...
Landing leg screw rod, 4 ... handle, 5, 5 '... floating ring,
6 ... Stand, 7 ... Handle, 8 ... Stop screw, 9 ...
Saddle, 10 ... Rotation stop screw, 11 ... Rotation base, 12 ... Machine base, 13 ... Handle, 14 ... Slide head, 15 ... Mounting bracket, 16, 16 '... Mounting screw, 17 ... Electric drill body, 18 …… spindle, 19 …… shank holder, 20,20 ′ ……
Blade, 21 ... end mill, 22 ... drill, 23 ... tap,
24 …… End mill, 25 …… Slide gauge, 26 …… Grip, 27 …… Original body, 28 …… Construction machine, 31 …… O-ring, 32 …… New sprinkling hole, 33 …… Lid body, 34… … Second female screw,
35 …… First male screw, 36 …… Second male screw, 37 …… Third female screw, 38 …… Tube, 39 …… Fixing hole, 41 …… Third male screw, 42
...... Driver groove, 43 …… Water control piece, 44 …… Movable hole, 45
…… New valve built-in object, 47 …… Existing snow-melting nozzle, 48 …… Top wall, 49 …… Old water spray hole, 50 …… Part, 51 …… Old valve built-in object, 52 …… Case, 53 …… Bottom Hole, 54 ...... first female screw, 55
…… Wrench, 56 …… Round bar pin, 57 …… Space, 58 …… Cut edge, 59 …… Old cap, 60 …… New cap.

Claims (1)

[Claims] 1. A step of cutting a central portion of a ceiling wall of a nozzle body of an existing snow-melting nozzle into a circular shape by an end mill for ceiling wall cutting, and a portion surrounded by the circular cutting and an internal component such as an old valve. Removal process, boring process with a boring end mill suitable for built-in objects such as new valves performed in the space formed by the removal, tap drilling with a drill for drilling a prepared hole and taps for threading to the prepared hole It is used to carry out the repairing method of the snow-melting nozzle, which is the process, the process of loading the new valve built-in object in the above space in a suitable state by using the tap hole, and the finishing process of cutting to the same height as the road surface. , A portable base with a tilt adjustment unit, a machine base installed on the base via a saddle that can change the position in the front-rear direction, and a rotary table that can change the rotation angle in the forward and reverse directions. Front of the table The electric drill body is mounted downward through the vertical slide slide head with slide gauge for handle operation, the shank holder is provided at the lower end of the downward spindle of the electric drill body, and the shank holder can be replaced arbitrarily to face down. End mill for ceiling wall cutting that has blades on the outer circumference and bottom surface of the cylinder that can be attached to the shank, a drill for drilling holes that can be attached to the shank holder and mounted downward, and a shank holder. And a boring end mill with blades on the outer circumference and bottom surface of the cylinder that can be mounted downward,
For repair work of snow-melting nozzle, which is equipped with a tap for tapping into a pilot hole that can be arbitrarily replaced with a shank holder and installed downward, and a weight body placed on the base machine.