JPH0230410A - Construction machine used for repair of snow-melting nozzle - Google Patents

Abstract

PURPOSE:To intend the replacement and the repair of snow-melting nozzle parts by providing a inclination adjustable portable-type block with a machine bed, which has its front mounted with an electric drill body downward in a vertically slidable relation, to mount the shank holder of a drill main shaft tip with an endmill, a boring drill and a tap exchanged. CONSTITUTION:The inclination of a portable-type block 1 is leveled by grounding screw rods 2, 3 to rotate a rotary bed 11 on the block 1, so that an electric drill body 17 to be vertically slidable is mounted on a machine bed 12 set standingly on a rotary bed 11 with a rotary shaft 18 directed downward. The rotary shaft 18 is mounted with a shank holder 19 and with an endmill 21, a boring drill, a tap and, etc., exchanged at need. These tools removes the built-in elements of an existing snow-melting nozzle 47 to permit the built-in elements of a new snow-melting nozzle to be mounted. It is thus possible to exchange the built-in elements only without destroying an embedded structure by concrete, etc., of the snow-melting nozzle.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a construction machine used for repairing snow removal nozzles buried in a paved surface such as a paved road.

[Prior art] and [Problems to be solved by the invention]
Conventionally, the repair of this type of snow removal nozzle involves removing the entire old snow removal nozzle by scraping the concrete used for installing the snow removal nozzle using a concrete crusher or concrete cutter, and then installing a new snow removal nozzle in its place. It was constructed by replacing the entire structure with concrete surrounding it.

However, when using the total replacement method, there is a lot of noise and vibration when concrete is poured, a long curing time is required for the concrete to harden, and traffic restrictions are imposed during curing, especially in winter. Concrete is difficult to solidify in cold temperatures, so repairs carried out during construction are not only inconvenient, but also require longer curing times and traffic control times. There are defects such as being narrow and extremely dangerous.

Therefore, the inventor of the present invention invented a construction method, which will be described later, that can repair the surrounding concrete without damaging it.

The object of the present invention is to provide a new construction machine that is effective for use in the above-mentioned construction method, that is, useful for sufficiently eliminating the above-mentioned defects.

Means for Solving Problem C11] In order to achieve the above object, the construction machine used for repairing the snow removal nozzle of the present invention includes a portable base plate having an inclination adjustment part and a machine installed on the base plate. a base, and an electric drill body that is mounted downward through a handle-operated vertical sliding slide head on the front of the machine base;
A shank holder provided at the tip of the main shaft of the electric drill body, and a cylindrical blade that has blades on the outer periphery and bottom surface of the cylinder that can be attached to the shank holder by replacing it at will.
The lower Daimei is equipped with a drill and a tap, and the mounting of the machine base to the base plate is done through a saddle whose position can be changed in the front and back direction. This was done via a rotary table that could change the rotation angle in forward and reverse directions, and was equipped with a weight body that was placed on the table.

[Embodiments] and [Operations] Next, embodiments of the present invention will be described with reference to the drawings.First, a hand push handle (1) with a 1! Magnetic metal plate base (
1), screw holes (not shown) penetrating vertically are provided at both corners of the front side and at the center of the extraction side, and screw holes for landing legs (2H2+' ( 31 with its upper and lower ends attached to both the upper and lower sides of the base plate (1), and screw it into the screw landing screw rod (2+(2+'(3)
A handle (4) is removably attached to the upper end of the platform (1), and there are floats for transportation on both sides of the rear edge of the platform (1).
The pedestal (6) is constructed by attaching the pedestal (1).
) is equipped with a saddle (9) with a locking screw (8), which is movable in the front-rear direction via a horizontal lever (7), and a rotating table (11) with a locking screw (8) is mounted on the saddle (9). )
A machine assembly is placed on this rotary table I, and a slide head I that slides up and down by means of a handle and a rack unit (not shown) is mounted on the front of this machine α2.
Attach the electric drill main body I downward through the mounting bracket (L9 and mounting screws a*ae'), and install the main shaft of the electric drill main body α force (18 below), respectively.
The shank holder is equipped with an end mill for cutting the top wall that has blades on the outer periphery and bottom of the cylinder, and a drill for making pilot holes. 2. The tap (c) and the end mill for polling (Foundation) can be replaced and installed as desired, and a slide gauge for measuring the vertical movement of the slide head I ( (e) is movable up and down, and a pair of corporal punishment weights with a handle is constructed, and the weight body (goods) is placed on the platform (1). Configure the engineering machine (c) to be used.

Separately from this, the lid body (to) is formed into a donut shape, has an O-ring Gυ fitted on its outer circumferential surface, and has new slanted water holes (2) with both upper and lower ends open at appropriate locations. A second female thread (b) is carved into the inner peripheral surface of this lid body (c), and a first male thread (to) and a second thread are formed on the outer periphery of both the upper and lower ends. 2 male threads (to) and a 34th thread (to) on the inner periphery of the upper end.
A fixing hole for water conduction that communicates with the inside and outside is opened at the intermediate height of the pipe body (Q), which is connected by screwing the screw (material) and the FS1 male screw (end), and is separate from this. It has a cylindrical shape with the upper surface closed and the lower surface open, and a third male screw θη is carved on the outer peripheral surface of the upper half, and a driver groove (
Construct a water control piece I having a water control piece (43
Insert it upward into the tube body (end) and tighten the third female screw t.
3? ) and the third male screw h1)-, and a movable water guide hole (
By opening the new valves and other built-in components (c).

In this way, the construction equipment (c) and built-in items such as new valves were brought to the site, and the construction equipment (c) was installed with the existing snow removal nozzle @
Place the weight body @ on the road surface where η has been installed, and then use the handle (4) while changing the position to attach the landing leg threaded rod (21 (2)' (turn 31 and hold it). , after adjusting the horizontal orientation of the base plate (1), loosen the movement set screw (8) and move the saddle (9);
Loosen G and turn rotary base U, tighten rotation set screw 4, tighten movement set screw (8), adjust the height of the electric drill body (L7) using handle 0. Align the center of the shank holder 0 with the center of the existing snow removal nozzle 9η, attach the ceiling wall cutting end mill &l to this shank holder member, and then attach the ceiling wall cutting end mill (
(c) Check whether the bottom blade crest' hits the designated spot on the existing snow removal nozzle (4'7) by lowering the electric drill body (l?) using the handle α4. If the bottom blade υ′ of the end milling knife for wall cutting does not hit the existing snow removal nozzle 07) accurately, the saddle (9)
), the direction of the turntable I, and ultimately the position of the base plate (1), and after the top wall cutting end mill Qυ is accurately positioned, set the stop screw (8) and the turn stop screw 鵠. Check tightness.

Next, operate the handle 0 to turn the ceiling wall cutting end mill (
2) Lightly place the bottom blade (2)' on the upper surface of the existing snow removal nozzle ← η's top wall, and while it is in contact with it, move the slide gauge (c) up and down to find its zero point. the reference point (
(not shown), then return the handle orientation and insert the bottom blade of the end mill Q into the top wall (4) of the existing snow removal nozzle αη.
8) Separate the electric drill body (L) in this separated state.
Rotate the end mill C21 and operate the handle to lower the end mill C21 and use force to connect the existing snow removal nozzle (471
The central part of the ceiling wall Km was cut into a circular shape with the old watering hole 4 remaining. To determine whether or not this cutting has been made sufficiently, refer to the above-mentioned method for determining whether the depth of the cut has reached a predetermined dimension by checking the depth of the slide head 14 on the scale of the slide gauge (2) with a cap. Check it out.

After that, the electric drill body a7) is stopped and returned to the upper position, and the end mill ab for cutting the ceiling wall is moved to the shank holder a.
1, and remove the part surrounded by the circular cut and the old valve internals 6]) using a special gouger.

Furthermore, a drill (c) is attached to the shank holder holder between the pilot holes, and the drill (2) is rotated and lowered between the pilot holes to open the case 63 of the existing snow removal nozzle (47).
---j! Eil! Drill a pilot hole @ in ff.

Next, use the tap (C) on the pilot hole mallet to create the first female screw (F). ) Built-in wrench 6S
The wrench mallet is rotated using the wrench mallet, and a short round bar provided in advance on the wrench mallet is rotatably fitted onto the shank holder α to prevent head play.

After that, remove the tap (C) and wrench (G) from the shank holder a9, install the shank holder (tlK polling end mill a The large wall, etc. including the old church water hole (c) in the area will be removed.

In this way, the machining of the existing snow removal nozzle (4-force) is completed.

Next, the internal contents 61) such as old pulp are removed.

Insert the inner material (c) such as the new pulp into the formed pressure space FJ7) and connect the second male screw (to) to the first female screw (to).
& so that the outer circumferential surface of the threaded cap (to) faces the incisal edge (c) of the hole formed by cutting with the poling end mill (c), and the gap between these opposing surfaces is After that, the existing snow removal nozzle was made airtight with an o-ring (OI), and then the top surface of the existing snow removal nozzle and the top surface of the new pulp internals (C) were cut to the same height. It is something that will be completed.

In addition, between the pilot holes, drill the pilot holes (up to) using the drill bit (2).
Creation of the first female screw (B) with the tag (C), cutting line of the top wall, etc. with the poling end mill (Incorporated).The description part does not have to be as described above.

The present invention has a structure in which the machine base is fixed directly on the base plate without using a saddle or a rotating table, a structure in which the machine table can be changed in front and back position only by the saddle without using a rotating table, and It is also possible to implement a configuration in which the rotation angle of the machine base can be changed by using only a rotary base, or a configuration in which the base plate is made heavy so that it can be tethered and fixed, so that no weight body is required. The push handle (1) may be foldable.

〔Effect of the invention〕

Since the present invention has the above-mentioned configuration, it is effective for use in the above-mentioned construction method and greatly helps in eliminating the above-mentioned defects.
It has an excellent effect of completely achieving the intended purpose.

[Brief explanation of the drawing]

Fig. 1 shows an embodiment of the present invention, and is an overall front view, Fig. 2 is a plan view, Fig. 3 is a side view, and Fig. 4 is a flowchart of the construction method using the construction machine of the present invention. It is. (1)...Baseboard, (1)'...Handle, (
202)' (31 Threaded rod for landing legs, (4)...handle, (5H5)'...buoy, (6)...frame,
(7)...Handle, (8)...Movement screw, (9)
...saddle, frame...rotation stop screw, I...turntable, a side...machine base, facing...handle, ■...slide head, (LS...mounting bracket, C161 (L[9'
...Mounting screw, (Lη...electric drill body, α barrel,
・・Main shaft, α wing...Shank holder, 翰■'...Blade, 12υ...End mill, @ Tori rare, (c)...
Tap, H...end mill% (c)...slide gauge, (2)...handle, (2'n...weight body, can...construction machine, 0υ...0 ring, (to)...
Shinkyo water hole, face...lid, (b)...second female screw, @
...First male screw, (to)...Second male screw, (3'r
I...Third female thread, ■...Pipe body, (to)...Fixing hole, (41)...Third male thread, (6)...Driver groove, 431... Water control piece, (Foundation)...Movable hole,
(c)...New valve built-in item, (47)...Existing snow removal nozzle, (Foundation) ceiling wall, 4...Old water hole, haze...part, 6υ...Old valve built-in item , 6 edges...case, hook...
... pilot hole, (goods) ... first female screw, (to) ... wrench, (c) ... round monument bottle, 67'l ... space, (c) ... incisal edge Face, (! 5 people...old cap...
New cap. (1)... Base plate 07)... Weight body

Claims (1)

[Claims] 1. A portable platform with a tilt adjustment section, a machine platform provided on the platform, and a vertically sliding slide head operated by a handle on the front surface of the machine platform to face downward. an electric drill body, a shank holder provided at the tip of the main shaft of the electric drill body, an end mill with blades on the outer periphery and bottom of a cylinder that can be attached to the shank holder by optional replacement, and a pilot hole drilled end mill. A construction machine used for repairing snow removal nozzles, characterized by being equipped with a drill and a tap. 2. The construction machine used for repairing a snow removal nozzle according to claim 1, wherein the machine base is attached to the base plate through a saddle whose position can be changed in the front and rear directions. 3. The construction machine used for repairing a snow removal nozzle according to claim 1 or 2, wherein the mounting of the machine base to the base plate is done via a rotary table whose rotation angle can be changed in forward and reverse directions. . 4. A construction machine used for repairing a snow removal nozzle according to claim 1, 2 or 3, characterized in that it has a weight body placed on a base.