KR102358261B1 - Apparatus for crushing the road surface to repair a manhole and manhole repairing methode using the same - Google Patents

Abstract

A road surface crushing device for manhole repair according to the present invention comprises: an upper plate having a plurality of support legs seated on the ground so as to be positioned at a point spaced upward from the ground; an excavation wheel formed in a vertically erected cylindrical shape and having an open lower side and an excavating blade provided at a lower end; a driving means for rotating the excavation wheel about a vertical central axis while moving the excavation wheel up and down; and a plurality of external cutting edges mounted so that one side in a width direction protrudes from an outer surface of a side wall of the excavation wheel, and the one end in the width direction is inclined in a direction away from the side wall of the excavation wheel toward an upper side. When the road surface crushing device for manhole repair according to the present invention is used, a manhole repair part is crushed in a circular shape, and an upper entrance of a crushing part can be crushed widely, thereby more facilitating manhole repair. Even when debris and dust are generated in a process of crushing a road surface, the generated debris and dust do not leak to the outside, thereby preventing injuries and civil complaints.

Description

{Apparatus for crushing the road surface to repair a manhole and manhole repairing methode using the same}

The present invention relates to a crushing device and a manhole repair method for crushing a road surface in a circular shape for manhole repair. It relates to a road crushing device for manhole repair and a manhole repair method that can prevent

In general, various facilities such as water pipes, sewage pipes, electric wires, and communication cables are buried underground in roads, and manholes are installed at a predetermined distance on the road for installation and repair of these facilities.

On the other hand, the surface of the road becomes uneven due to the frequent traffic of automobiles and various reasons. Such repair work mainly involves overlaying the road surface. Due to this overlay work, the manhole is also located lower than the road surface or deteriorates due to various reasons such as cracks due to fine subsidence of the ground, so it is usually 4 to 5 years Manhole repair work should be carried out on a regular basis.

The manhole repair work as described above uses a cutter to vertically cut the surrounding road surface of the manhole housing, excavate the vertically cut road surface, and install a height adjustment member on the floor where the manhole housing is placed while the manhole housing is lifted. After that, the manhole housing is placed on it again, and road paving materials such as asphalt are filled and cured in the space part of the excavated and removed road surface.

In the manhole repair work as described above, the construction of cutting the road surface of the manhole repair part vertically must be precisely cut in a circular shape in consideration of the aesthetics. A crushing cutter' (as Korean Patent No. 10-1397537) has been proposed.

There is an advantage that the periphery of the manhole repair part can be cleanly cut in a circular shape using a conventional road surface shredding cutter. At this time, when cutting and digging the periphery of the manhole repair part in a circle, it is necessary to dig the road surface so that the upper entrance is gradually widened. The disadvantage is that the upper entrance cannot be dug widely.

In addition, in the process of cutting the road surface, a large amount of various debris or dust is generated. In the case of using a conventional road surface shredding cutter, the fragments and dust as described above are scattered to the outside as it is, and various injuries and accidents occur as well as various kinds of accidents. There is a problem that complaints arise.

KR 10-1397537 B1

The present invention has been proposed to solve the above problems, and it is possible to crush the manhole repair part in a circular shape, but the upper entrance of the crushing part can be widely crushed, and the phenomenon of debris and dust from scattering can be prevented. An object of the present invention is to provide a scarring device and a manhole repair method.

A road crushing device for manhole repair according to the present invention for achieving the above object includes: a top plate having a plurality of support legs seated on the ground so as to be positioned at a point spaced upward from the ground; an excavation wheel formed in a vertically erected cylindrical shape and having an open lower side and an excavation blade provided at the lower end; a driving means for rotating the excavation wheel about a vertical central axis while moving the excavation wheel up and down; A plurality of external cutting blades are mounted so that one side in the width direction protrudes from the outer surface of the side wall of the excavation wheel, and the one end in the width direction is inclined in a direction away from the side wall of the excavation wheel as it goes upward.

An insertion slot extending in the vertical direction and having a width through which the external cutting edge can pass is formed on the side wall of the excavation wheel, and a fastening bracket is formed on one side of the side wall of the excavation wheel in the width direction of the insertion slot, The lower side of the external cutting edge is rotatably coupled to the fastening bracket by a hinge pin inserted in a tangential direction of the excavation wheel.

A fastening hole is formed on the upper side of the fastening bracket, and a plurality of outer fastening holes arranged in a circular arc direction with respect to the hinge pin are formed in a portion corresponding to the fastening hole on the upper side of the external cutting blade, the fastening hole and It further includes a fastening pin fastened to be inserted into the outer fastening hole to fix the external cutting edge to the fastening bracket.

It further includes a plurality of internal cutting edges mounted so that one side in the width direction protrudes from the inner surface of the side wall of the excavation wheel, and the one end in the width direction is inclined in a direction away from the side wall of the excavation wheel as it goes upward.

Mounting positions of the external cutting edge and the internal cutting edge are alternately arranged.

The other side of the inner cutting edge in the width direction is integrally coupled to the other side of the outer cutting edge in the width direction.

The inner cutting edge is arranged in a structure stacked with the outer cutting edge, and the lower side is coupled to the fastening bracket in a rotatable structure by the hinge pin, and the upper side of the inner cutting edge is located at a portion corresponding to the fastening hole. A plurality of inner fastening holes arranged in an arc direction around the hinge pin are formed, and the fastening pins are fastened to be inserted into the fastening hole, the outer fastening hole, and the inner fastening hole to fix the external cutting edge to the fastening bracket. configured to do

a screen covering a space in which the excavation wheel is located among the lower spaces of the upper plate; It further includes; a dust collector that sucks the air inside the screen through the suction port formed on the upper plate to filter out foreign substances and dust in the sucked air.
The manhole repair method according to the present invention is configured to repair a manhole buried underground after breaking the road surface in a circular shape using the road surface crushing device configured as described above.

Using the road crushing device for manhole repair and the manhole repair method according to the present invention, the manhole repair part is crushed in a circular shape, but the upper entrance of the crushing part can be widely crushed, so that the manhole repair can be made more easily, and the road surface can be crushed Even if fragments and dust are generated in the process, the generated fragments and dust do not leak to the outside, so there is an advantage in that injuries and civil complaints can be prevented.

1 is a perspective view of a road crushing device for manhole repair according to the present invention.
2 and 3 are a perspective view and a bottom perspective view illustrating a coupling structure of an excavation wheel.
4 is a cross-sectional view of a road crushing device for manhole repair according to the present invention.
5 and 6 are exploded perspective views and cross-sectional views illustrating the external cutting blade coupling structure included in the second embodiment of the road crushing device for manhole repair according to the present invention.
7 and 8 are a plan view and a cross-sectional view showing the internal cutting edge coupling structure included in the third embodiment of the road crushing device for manhole repair according to the present invention.
9 is a state diagram of a third embodiment of the road crushing device for manhole repair according to the present invention.
10 is a cross-sectional view showing the internal cutting edge coupling structure included in the fourth embodiment of the road crushing device for manhole repair according to the present invention.
11 and 12 are perspective and cross-sectional views showing the external cutting edge and the internal cutting edge coupling structure included in the fifth embodiment of the scarifier for manhole repair according to the present invention.

Hereinafter, with reference to the accompanying drawings, an embodiment of the road crushing apparatus for manhole repair according to the present invention will be described in detail.

1 is a perspective view of a road crushing device for manhole repair according to the present invention, FIGS. 2 and 3 are a perspective view and a bottom perspective view showing a coupling structure of an excavation wheel, and FIG. 4 is a road crushing device for manhole repair according to the present invention is a cross section of

The road crushing device for manhole repair according to the present invention is a device for circularly crushing points on the road surface that require manhole maintenance, and it does not simply cut the road surface in a circular shape, but rather widely crushes the upper inlet of the crushing part. It is characterized by being able to do it quickly and easily.

That is, the road crushing device for manhole repair according to the present invention includes a top plate 100 having a plurality of support legs 200 seated on the ground so as to be positioned at a point spaced upward from the ground, and a vertically erected cylindrical shape. An excavation wheel 300 formed with an open lower side and an excavation blade 310 provided at the lower end, a driving means 500 for rotating the excavation wheel 300 up and down while rotating about a vertical central axis, and a width; A plurality of external cutting blades 400 are mounted so that one side in the direction protrudes from the outer surface of the side wall of the excavation wheel 300, and the one end in the width direction is inclined in a direction away from the side wall of the excavation wheel 300 as it goes upward. is comprised of

The driving means 500 does not simply rotate the excavation wheel 300 but rotates it while pressing it downward toward the road surface, which is excavated by the excavation blade 310 provided at the lower end of the excavation wheel 300 . do. At this time, a plurality of crushing bits are provided at the outer ends of the plurality of external cutting blades 400 mounted on the sidewalls of the excavation wheel 300. In the state shown in FIG. 4, the excavation wheel 300 rotates while descending. In this case, the road surface is excavated in a circular shape by the excavation blade 310 , and the sidewall of the excavated area is crushed obliquely in a vertical structure by the external cutting blade 400 .

As described above, when the road surface crushing device for manhole repair according to the present invention is used, the operation of excavating the road surface in a circular shape and the operation of crushing the side wall of the excavation area obliquely are performed at once, significantly reducing the time required for manhole repair. The advantage is that it can be shortened.

On the other hand, in the process of the excavation wheel 300 descending while rotating and crushing the road surface, a large amount of debris and dust are generated and scattered. The downside is that complaints may arise.

In order to solve the above problems, the road crushing device for manhole repair according to the present invention includes a shield 600 surrounding a space in which the excavation wheel 300 is located among the lower space of the upper plate 100, and the upper plate The dust collector 700 may further include a dust collector 700 that sucks the air inside the shielding film 600 through the suction port 110 formed in the 100 , and filters foreign substances and dust in the sucked air.

The suction pipe of the dust collector 700 is coupled to the suction port 110 in a detachable structure, and the dust collector 700 may be integrally mounted to the upper plate 100 or to be mounted at a point spaced apart from the upper plate 100 by a certain distance. may be At this time, the dust collector 700 for filtering various foreign substances and dust has been commercialized in various structures in the technical field to which the present invention pertains, and detailed descriptions of the internal structure and operating principle of the dust collector 700 are omitted.

When the excavation wheel 300 is configured to be surrounded by the screen 600 as described above, various debris and dust generated in the process of the excavation wheel 300 excavating the road surface cannot flow to the outside of the screen 600 and the dust collector Since it is recovered to (700), it has the advantage of preventing injuries and civil complaints by preventing the generation and scattering of debris and dust.

5 and 6 are exploded perspective views and cross-sectional views showing the coupling structure of the external cutting edge 400 included in the second embodiment of the road crushing device for manhole repair according to the present invention.

The road surface crushing device for manhole repair according to the present invention is characterized in that it obliquely crushes the side wall of the excavation area. can be configured.

That is, in the road surface crushing device for manhole repair according to the present invention, an insertion slot 320 extending in the vertical direction on the sidewall of the excavation wheel 300 and having a width of a size through which the external cutting blade 400 can pass is formed. A fastening bracket 330 is formed on one side (right side in this embodiment) in the width direction of the insertion slot 320 among the side walls of the excavation wheel 300 , and the lower side of the external cutting edge 400 is the excavation It may be coupled to the fastening bracket 330 in a rotatable structure by a hinge pin 340 inserted in a tangential direction of the wheel 300 .

The hinge pin 340 is mounted to penetrate the hinge hole 332 formed on the lower side of the fastening bracket 330 and the outer hinge hole 410 formed on the lower side of the external cutting edge 400 , the external cutting edge 400 . ) can rotate clockwise and counterclockwise around the hinge pin 340 as shown in FIG. 6 .

When the external cutting blade 400 is rotated and mounted in the clockwise direction in the state shown in FIG. 6, the upper entrance of the excavation area becomes wider, and when the external cutting blade 400 is rotated and mounted in the counterclockwise direction, the area of the excavation area Since the upper entrance is narrowed, the operator has the advantage of being able to freely process the size of the upper entrance of the excavation area by appropriately adjusting the mounting angle of the external cutting edge 400 .

At this time, a fastening hole 334 is formed on the upper side of the fastening bracket 330 so that the external cutting edge 400 can be fixedly coupled to the fastening bracket 330 in a state in which the external cutting edge 400 is rotated at a predetermined angle. A plurality of outer fastening holes 420 arranged in a circular arc direction around the hinge pin 340 are formed in a portion corresponding to the fastening hole 334 on the upper side of the 400, and the fastening hole 334 and A fastening pin 350 which is fastened to be inserted into the outer fastening hole 420 and fixes the external cutting edge 400 to the fastening bracket 330 may be additionally provided. That is, the operator can adjust the angle of the outer cutting blade 400 to a desired angle by appropriately selecting the outer fastening hole 420 into which the fastening pin 350 is inserted among the plurality of outer fastening holes 420 . There is this.

Of course, if the external cutting edge 400 can be mounted on the excavation wheel 300 so that the inclination angle of one end in the width direction (the right end in FIG. 6) can be changed, it can have various structures other than the coupling structure shown in this embodiment. can be combined.

7 and 8 are a plan view and a cross-sectional view showing the internal cutting edge 800 coupling structure included in the third embodiment of the road crushing device for manhole repair according to the present invention, and FIG. 9 is a road surface for manhole repair according to the present invention. It is a usage state diagram of the third embodiment of the crushing device.

In general, the manhole retractor 20 installed at the entrance of the manhole 10 is formed to have a wider diameter at the lower side than at the upper side, as shown in FIG. 9 . Therefore, when only the external cutting blade 400 is mounted on the excavation wheel 300, the upper surrounding packaging material of the manhole retractor 20 is not crushed when the road surface is excavated with the road surface crushing device for manhole repair according to the present invention. (20) There is a problem that a separate operation of crushing the surrounding surrounding packaging material is required.

The road crushing device for manhole repair according to the present invention can be configured to solve the above problems, that is, to crush up to the upper surrounding pavement of the manhole retractor 20 at once. That is, the road crushing device for manhole repair according to the present invention is mounted so that one side in the width direction (the left side in FIG. 8) protrudes from the inner surface of the side wall of the excavation wheel 300, and the one side in the width direction (the left side in FIG. 8) ends A plurality of internal cutting edges 800 that are inclined in a direction away from the side wall of the excavation wheel 300 may be additionally provided toward the upper side. A plurality of crushing bits are provided on one side of the inner cutting edge 800 in the width direction. When excavating a road surface with the excavation wheel 300 equipped with the outer cutting blade 400 and the inner cutting edge 800, As shown in Figure 9, there is an advantage that both the outer wall and the inner wall of the excavation area are crushed obliquely.

At this time, it is preferable that the external cutting edge 400 and the internal cutting edge 800 are alternately arranged as shown in FIG. 7 so as not to interfere with each other. The number of mounting and the arrangement interval of the external cutting edge 400 and the internal cutting edge 800 may be freely changed according to various conditions such as the size of the excavation wheel 300 and the condition of the road surface.

10 is a cross-sectional view showing the coupling structure of the internal cutting edge 800 included in the fourth embodiment of the road crushing device for manhole repair according to the present invention.

As shown in FIG. 10 , in the road crushing device for manhole repair according to the present invention, the external cutting edge 400 and the internal cutting edge 800 may be integrally coupled. That is, the other side of the inner cutting edge 800 in the width direction (the right side in this embodiment) may be integrally coupled to the other side (the left side in the present embodiment) of the outer cutting edge 400 in the width direction.

As described above, when the external cutting edge 400 and the internal cutting edge 800 are integrally combined, the structure in which the external cutting edge 400 and the internal cutting edge 800 are mounted to the excavation wheel 300 becomes simple, so the present invention It has the advantage that it is easy to manufacture the road crushing device for manhole repair by this, so that the productivity is improved, and the number of parts is reduced, so that the effect of cost reduction can be obtained.

At this time, the shapes and coupling positions of the external cutting edge 400 and the internal cutting edge 800 may be variously changed according to a designer's selection.

11 and 12 are perspective and cross-sectional views showing the coupling structure of the external cutting edge 400 and the internal cutting edge 800 included in the fifth embodiment of the road crushing device for manhole repair according to the present invention.

The road crushing device for manhole repair according to the present invention may be configured such that the inclination of the external cutting edge 400 and the inclination of the internal cutting edge 800 are each independently controlled.

That is, in the road crushing device for manhole repair according to the present invention, the inner cutting edge 800 is arranged in a stacked structure with the outer cutting blade 400, and the lower side is the fastening bracket ( 330) in a rotatable structure, and in a portion corresponding to the fastening hole 334 on the upper side of the inner cutting edge 800, a plurality of inner fastening holes arranged in a circular arc direction around the hinge pin 340 820 may be formed. An inner hinge hole 810 is formed on the lower side of the inner cutting edge 800 , and the hinge pin 340 is fastened to pass through the hinge hole 332 , the outer hinge hole 410 , and the inner hinge hole 810 . do.

In this way, when the inner cutting edge 800 is arranged in a stacked structure on the inner cutting edge 800, the fastening pin 350 includes the fastening hole 334, the outer fastening hole 420, and the inner fastening hole ( 820 , so that the external cutting edge 400 can be fixed to the fastening bracket 330 .

As shown in this embodiment, when the external cutting edge 400 and the internal cutting edge 800 are separately manufactured and arranged in a stacked structure, the external cutting edge 400 and the internal cutting edge 800 are mounted on the excavation wheel ( 300), since the inclinations of the external cutting edge 400 and the internal cutting edge 800 can be individually adjusted while simplifying the structure, there is an advantage that the road surface can be excavated in various ways.

As mentioned above, although the present invention has been described in detail using preferred embodiments, the scope of the present invention is not limited to specific embodiments, and should be interpreted by the appended claims. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

10: manhole 20: manhole removal
100: top plate 110: intake port
200: support leg 300: excavation wheel
310: excavation blade 320: insertion slot
330: fastening bracket 332: hinge hole
334: fastening hole 340: hinge pin
350: fastening pin 400: external cutting edge
410: outer hinge hole 420: outer fastening hole
500: driving means 600: screen
700: dust collector 800: internal cutting edge
810: inner hinge hole 820: inner fastening hole

Claims (9)

an upper plate having a plurality of support legs seated on the ground so as to be positioned at a point spaced upward from the ground;
an excavation wheel formed in a vertically erected cylindrical shape and having an open lower side and an excavating blade provided at the lower end;
a driving means for rotating the excavation wheel about a vertical central axis while moving the excavation wheel up and down; and
A plurality of external cutting blades mounted so that one side in the width direction protrudes from the outer surface of the side wall of the excavation wheel, and the one end in the width direction is inclined in a direction away from the side wall of the excavation wheel as it goes upward.
An insertion slot extending in the vertical direction and having a width through which the external cutting edge can pass is formed on the side wall of the excavation wheel,
A fastening bracket is formed on one side in the width direction of the insertion slot among the side walls of the excavation wheel,
The lower side of the external cutting edge is a road crushing device for manhole repair, characterized in that it is coupled to the fastening bracket in a rotatable structure by a hinge pin inserted in a tangential direction of the excavation wheel. delete The method according to claim 1,
A fastening hole is formed on the upper side of the fastening bracket,
A plurality of outer fastening holes arranged in a circular arc around the hinge pin are formed in a portion corresponding to the fastening hole on the upper side of the external cutting edge,
The road crushing device for manhole repair, characterized in that it further comprises a fastening pin fastened to be inserted into the fastening hole and the outer fastening hole to fix the external cutting blade to the fastening bracket. 4. The method according to claim 3,
A plurality of internal cutting blades mounted so that one side in the width direction protrudes from the inner surface of the side wall of the excavation wheel, and the one end in the width direction is inclined in a direction away from the side wall of the excavation wheel as it goes upward. A road crusher for manhole repair. 5. The method according to claim 4,
A road crushing device for manhole repair, characterized in that the mounting positions of the external cutting edge and the internal cutting edge are alternately arranged. 5. The method according to claim 4,
The other side of the inner cutting edge in the width direction is integrally coupled to the other side of the outer cutting edge in the width direction. 5. The method according to claim 4,
The inner cutting edge is arranged in a stacked structure with the outer cutting edge, and the lower side is coupled to the fastening bracket in a rotatable structure by the hinge pin,
A plurality of inner fastening holes arranged in a circular arc direction around the hinge pin are formed in a portion corresponding to the fastening hole on the upper side of the inner cutting edge,
The fastening pin is fastened to be inserted into the fastening hole, the outer fastening hole, and the inner fastening hole, and is configured to fix the external cutting edge to the fastening bracket. The method according to claim 1,
a screen covering a space in which the excavation wheel is located among the lower spaces of the upper plate; and
a dust collector for sucking the air inside the screen through a suction port formed on the upper plate and filtering out foreign substances and dust in the sucked air;
A road crushing device for manhole repair, characterized in that it further comprises a. 9. A manhole repair method, characterized in that the manhole is repaired underground after breaking the road surface in a circular shape using the road crushing device for manhole repair according to any one of claims 1 and 3 to 8.

Images