KR101725271B1 - Manhole rehabilitation devices and methods of installation - Google Patents

Abstract

According to an aspect of the present invention, a reinforcement device may comprise: a plurality of height adjustment devices fixated to a floor surface, and coupled to an iron lid of a manhole to adjust a height of the iron lid; a falling prevention device connected to the height adjustment devices, and placed in an internal space of the manhole to prevent a pedestrian from falling into the internal space of the manhole when a lid of the manhole is opened; and a loss prevention device provided to connect the falling prevention device and the lid, preventing the lid from being lost when the lid is opened.

Description

Technical Field [0001] The present invention relates to a manhole rehabilitation apparatus and methods,

The present invention relates to a manhole maintenance reinforcing apparatus and a method for installing the same, and more particularly, to a manhole maintenance reinforcing apparatus having a disaster reduction function and a method for installing the same.

Normally, the manhole is made up of an iron dog and a lid. Such a manhole is often forcibly opened by an external impact or a pressure generated in the manhole, causing a secondary safety accident when it explodes, or a safety accident in which a pedestrian falls off due to the loss of the lid of the manhole.

In order to solve such a problem, a manhole having a locking device on a lid that can prevent the lid from being opened has been developed and partly used.

However, since the conventional manhole has a complicated structure and requires a lot of manufacturing cost, it is mostly expensive. If the manhole is not completely replaced, the function can not be realized. Due to the nature of the manhole, There was a problem.

Further, when the locking device is easily broken by the repeated impact and the locking device is broken, the manhole is eventually opened.

In order to solve such a problem, a manhole having a fall prevention structure has been developed, as disclosed in Korean Patent No. 10-0750497 (2007.08.17).

However, the conventional manhole has the effect of preventing the fall of the pedestrian or the small-sized vehicle wheel by the safety net when the lid is opened. However, there is a possibility that the manhole is opened when a strong water pressure is generated. And the installation was also very difficult. In the case of conventional manholes, there are almost no countermeasures and alternatives to disaster safety accidents.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a manhole maintenance reinforcing apparatus and a method of installing the same that prevent a pedestrian from falling into an inner space of a manhole when a lid of a manhole is opened .

It is another object of the present invention to provide a manhole maintenance reinforcing apparatus and a method of installing the same, which can prevent the loss of the lid when the lid of the manhole is opened.

It is another object of the present invention to provide a manhole maintenance reinforcing apparatus capable of easily adjusting and fixing the height of a manhole, and a method of installing the same.

According to another aspect of the present invention, there is provided a manhole reinforcement apparatus comprising: a plurality of height adjusting devices fixed to a floor surface and coupled to a manhole to adjust a height of the manholes; A fall preventing device connected to the adjusting device and located in an inner space of the manhole to prevent a pedestrian from falling into an inner space of the manhole when the lid of the manhole is opened; And a lid prevention device for preventing the lid from leaking when the lid is opened.

The height adjusting device includes a strong anchor fixed to a floor surface, a bolt provided at one end of the strong anchor to be fastened to the steel bar, a pedestal placed under the iron and fastened to the bolt, A washer fastened to the bolt so as to be positioned on the upper part of the iron, and a washer fastened to the bolt so as to be positioned on the upper part of the iron, And a height fixing nut for fixing the height of the iron.

The pedestal includes a plate-like body portion through which the bolts are passed, a support portion extending from both opposite ends of the body portion to the side of the pillar and supporting the pillar, and a support portion between the body portion and the lower portion of the pillar As shown in FIG.

Wherein the space portion includes a first space formed in the outer direction of the iron core around the bolt fastened to the body portion and a second space formed in the inner direction of the iron core around the bolt fastened to the body portion, Space can be provided.

The first space may include a packing member for preventing a reinforcement material or ultra low velocity mortar from being introduced into the second space when a reinforcing material or ultra low velocity mortar is injected into the first space.

The fall prevention device includes a main body positioned in an inner space of the manhole, a plurality of legs extending from the main body in the direction of the plurality of height adjusting devices, and a projection provided at one end of the leg, A handle which is formed in one end of the leg and on which the projection is seated, a handle which is engaged with the projection to move the projection easily into and out of the seating space, And a guide groove that defines a movement range of the handle.

The loss prevention device may include a first fixing member that engages with the lid, a second fixing member that engages with the handle, and a chain that connects the first fixing member and the second fixing member.

According to another aspect of the present invention, there is provided a method of installing a manhole reinforcement apparatus, comprising: (a) removing ascon and concrete around a manhole buried in a floor; (b) separating the manhole of the manhole from the floor; (c) installing a plurality of height adjustment devices on the ridge; (d) placing an anti-fall device in the inner space of the iron; (e) connecting the fall prevention device with the height adjustment device; And (f) installing a loss prevention device for connecting the fall prevention device and the lid.

(C) fixing the strong anchor provided at one end of the bolt to the floor; Tightening a height adjusting nut for adjusting the height of the iron to the bolt; A support portion extending from both opposite ends of the body portion to the side of the pillar to support the pillar, and a supporting portion that supports the pillar, a pillar- And a space having a first space formed by the metal bolt and a second space formed in the direction of the inner portion of the iron around the metal bolt fastened to the steel bar, to the bolt; Coupling the ridge with the computerized bolt; Tightening the washer with the bolt; And fixing a height fixing nut for fixing the height of the pedestal and the iron to the bolts so as to be positioned on the iron.

After step (e), a step of installing a packing member to prevent the reinforcement material or the ultra low velocity mortar from being introduced into the second space may be provided in the first space.

Wherein the step (e) comprises: a body positioned in the inner space of the iron; a plurality of legs extending from the body in the direction of the plurality of height adjustment devices; And a guide groove formed on one side of the leg to which the handle is exposed to move the handle in a predetermined range, wherein the handle is provided with a protrusion, a handle coupled to the protrusion and exposed to the outside of the leg, And placing the projection in the second space using the handle.

Wherein the step (f) includes the steps of: attaching a first fixing member to the lid; engaging a second fixing member with the handle; and connecting the first fixing member and the second fixing member with a chain .

According to the manhole reinforcement apparatus and the installation method therefor according to the present invention, it is possible to prevent a pedestrian from falling due to the fall prevention apparatus.

Also, in case of heavy rainfall, other foreign substances can be prevented from entering the manhole tube, so that the secondary disaster reduction effect can be expected.

In addition, since the loss prevention device is provided, it is possible to prevent the loss of the lid.

In addition, it is possible to install a device having the same function at low cost even when a plurality of existing manholes and KS standard manholes are newly installed.

Further, the height of the manhole can be easily adjusted and fixed by providing the height adjusting device.

1 is a perspective view showing a manhole maintenance reinforcing apparatus according to an embodiment of the present invention;
FIG. 2 is a side view showing a height adjusting device of the manhole maintenance reinforcing apparatus shown in FIG. 1. FIG.
3 is a plan view of the height adjustment device shown in Fig.
4 is a perspective view showing a state where the fall prevention device of the manhole maintenance reinforcing apparatus shown in FIG. 1 is installed.
5 is a perspective view showing the fall prevention device shown in FIG. 4 connected to the height adjustment device.
FIG. 6 is a side view of the portion A of FIG. 1 enlarged. FIG.
7 is a flowchart showing a method of installing a manhole maintenance reinforcing apparatus according to an embodiment of the present invention.

Hereinafter, a manhole reinforcement apparatus and a method for installing the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view illustrating a manhole maintenance reinforcing apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the manhole reinforcement apparatus 10 according to an embodiment of the present invention may include a height adjustment apparatus 100, a fall prevention apparatus 200, and a loss prevention apparatus 300.

A plurality of the height adjusting devices 100 may be fastened to the pillar 21 of the manhole 20. The height adjusting device 100 fastened to the peg 21 may be disposed at a lower portion of the peg 21 and may be inserted into the bottom surface. At this time, since only a part of the height adjusting device 100 is inserted into the bottom surface, the elevator 21 may be elevated by a height adjusting device 100 from the bottom surface. Thus, the elevation of the manhole 20 can be adjusted by the vibration and the load applied continuously as the elevator 21 can be lifted from the floor by using the height adjusting device 100. [

The fall prevention device 200 may be connected to a plurality of height adjustment devices 100 installed in the pillar 21 and may be located in the inner space 23 of the manhole 20. This makes it possible to prevent the pedestrian from falling into the inner space 23 of the manhole 20 when the lid 22 of the manhole 20 is opened by external impact or pressure generated in the manhole 20 . Here, it is preferable that the fall prevention apparatus 200 prevents the fall of the pedestrian, but does not prevent the rain from flowing into the inner space 23 of the manhole 20.

Both ends of the loss prevention device 300 may be connected to the fall prevention device 200 and the lid 22 of the manhole 20 so that the fall prevention device 200 and the lid 22 are connected to each other . The lid 22 of the manhole 20 can be opened by an external impact or pressure in the manhole 20 as in the fall prevention apparatus 200 described above. At this time, the lid 22 may be lost due to an external impact or a pressure in the manhole 20, and the lid 22 may cause the pedestrian to be injured or the facilities or the like to be damaged. In order to prevent this, the lid 22 is connected to the fall prevention device 200 through the loss prevention device 300, so that the loss can be prevented by the external impact or the pressure in the manhole 20. Accordingly, it is possible to prevent an external impact or a loss of the lid 22 due to the pressure in the manhole 20, and to prevent a pedestrian from being hurt by a lost lid 22 or damage to facilities etc. Can be exercised.

As described above, the manhole reinforcement apparatus 10 according to the present invention performs maintenance of the manhole 20 by pulling up the manhole 20 through the height adjusting apparatus 100, The effect of reducing the damage of the manhole 20, which may be caused by an external impact or a pressure in the manhole 20, can be exhibited.

Hereinafter, the height adjusting apparatus 100 of the manhole maintenance reinforcing apparatus 10 according to the embodiment of the present invention will be described in detail. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 2 is a side view showing a height adjusting apparatus of the manhole maintenance reinforcing apparatus shown in FIG. 1, and FIG. 3 is a plan view of the height adjusting apparatus shown in FIG.

1 to 3, a height adjusting apparatus 100 of a manhole maintenance reinforcing apparatus 10 according to an embodiment of the present invention includes a strong anchor 110, a computer bolt 120, a pedestal 130, An adjusting nut 140, a washer 150, and a height fixing nut 160.

The strong anchor 110 is inserted into the bottom surface of the height adjusting device 100 after the height adjusting device 100 is fastened to the elevating device 21 so that the elevating device 21 fastened to the height adjusting device 100 is fixed to the bottom surface .

The bolt 120 may be provided at one end of the strong anchor 110 and may be exposed to the outside of the bottom surface of the bolster 120. The bolt 120 may include a height adjusting nut 140, a pedestal 130, a pillar 21, a washer 150, And the fixing nuts 160 may be fastened to the bolts 120 in this order.

The height adjusting nut 140 may be fastened to the bolt 120 to adjust the height of the pedestal 130 and the pillar 21 located at the upper portion of the height adjusting nut 140. The height of the pedestal 130 and the pillar 21 can be easily adjusted according to the direction in which the height adjusting nut 140 is turned.

The height fixing nut 160 may be fastened to the bolt 120 in a state of being positioned on the upper portion of the pillar 21 and may fix the height of the pillar 21 adjusted through the height adjusting nut 140 have. By fixing the height of the pillar 21 through the height fixing nut 160, it is possible to prevent the height of the pillar 21 controlled by the impact on the exterior from being deformed during construction.

As described above, since the height of the pillar 21 is easily adjusted through the bolt-nut coupling method, the workability of the repair work of the manhole 20 can be improved and the construction cost can be reduced accordingly.

The pedestal 130 may be fastened to the bolt 120 so as to be positioned below the pillar 21. The pedestal 130 fastened to the computer bolt 120 may include a body portion 131, a support portion 132, and a space portion 133.

The body portion 131 may be formed in a plate shape having a long shape in one direction as the through bolt 120 passes through the body portion 131. The support portion 132 may be formed in a shape having a relatively long length in the opposite ends of the body portion 131 It is possible to extend from the long end to the side of the pillar 21 to support the pillar 21.

As shown in the drawing, the pedestal 130 may be formed in a 'C' shape by a body part 131 and a support part 132, and the space part 133 may include a 'U' 131, the support portion 132, and the lower portion of the pillar 21. At this time, the pedestal 130 may be provided such that a 'C' shape is exposed in the outward direction and the inward direction of the pillar 21, respectively. The space 133 includes a first space 133a formed in the outer direction of the pillar 21 around the computer bolt 120 fastened to the body 131, And a second space 133b formed in the inner direction of the pillar 21 around the computer bolt 120. [

In the first space 133a, a reinforcing material for filling between the manhole 20 raised by the height adjusting device 100 and the bottom surface, or a reinforcement material or ultra low speed mortar when the ultra low speed mortar is injected, The packing member 134 may be provided on the outer circumferential surface thereof.

A part of the fall prevention device 200 is seated in the second space 133b so that the fall prevention device 200 can be connected to the height adjustment device 100.

The fall prevention device 200 of the manhole maintenance reinforcing apparatus 10 according to an embodiment of the present invention will now be described in detail. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

FIG. 4 is a perspective view of a manhole reinforcement apparatus shown in FIG. 1 in a state where a fall prevention apparatus is installed, and FIG. 5 is a perspective view showing a fall prevention apparatus shown in FIG. 4 connected to a height adjustment apparatus.

1 to 5, a fall prevention apparatus 200 of a manhole maintenance reinforcing apparatus 10 according to an embodiment of the present invention includes a main body 210, a leg 220, protrusions 230, 240, a handle 250, and a guide groove 260.

The main body 210 may be located in the inner space 23 of the manhole 20 to integrate the plurality of legs 220. In this embodiment, the main body 210 has a circular shape, but the main body 210 may have various shapes.

The legs 220 are provided in the same number as the number of the pedestals 130 of the height adjusting apparatus 100 and may extend in the direction of the plurality of height adjusting apparatuses 100.

One end of the leg 220 may be provided with a protrusion 230 that is seated in the second space 133b of the pedestal 130. The protrusions 230 are vertically and horizontally enclosed by the lower surface of the 'C' -shaped pedestal 130 and the lower surface of the pillar 21 when they are seated in the second space 133b, Can be prevented from being separated from the second space 133b.

Meanwhile, a seating space 240 may be formed in one end of the leg 220. The seating space 240 may be the same size and shape as the protrusion 230 and may be positioned inside the leg 220 by inserting the protrusion 230 into the seating space 240. Therefore, when the fall prevention device 200 is connected to the height adjustment device 100, the fall prevention device 200 is positioned in the inner space 23 of the manhole 20, So as to be seated in the second space 133b of the pedestal 130. Conversely, when the fall prevention device 200 is separated from the height adjusting device 100, the protrusion 230 positioned in the second space 133b may be inserted into the seating space 240. FIG. As described above, since the fall prevention device 200 can be easily connected or separated depending on the presence or absence of the protrusion 230, the workability of the manhole 20 can be improved.

The handle 250 is coupled with the protrusions 230 so that the protrusions 230 can move easily to the inside and the outside of the seating space 240 by using the handle 250. Thus, You can make it move faster.

The guide groove 260 may provide a space through which the handle 250 can move so that the protrusion 230 moves through the handle 250 and may limit the range of movement of the handle 250. At this time, the guide groove 260 may be formed on one side of the leg 220 having the handle 250.

When the lid 22 of the manhole 20 is opened by an external impact or a pressure generated in the manhole 20 by providing the fall prevention device 200 in the internal space 23 of the manhole 20 as described above, , It is possible to prevent the pedestrian from falling into the inner space (23) of the manhole (20). The inner space 23 of the manhole 20 is not closed but is connected to the height adjusting device 100 through the leg 220 so that the inner space 23 of the manhole 20 can easily enter Can be obtained.

Hereinafter, an apparatus 300 for preventing loss of manhole reinforcement apparatus 10 according to an embodiment of the present invention will be described. In the following description, only different parts from the above-described embodiment will be described in detail and the same or similar parts will not be described in detail.

6 is an enlarged side view of a portion A in Fig.

1 to 6, an apparatus 300 for preventing a loss of manhole of a manhole reinforcement apparatus 10 according to an embodiment of the present invention includes a first fixing member 310, a second fixing member 320, 330 may be provided.

The first fixing member 310 is engaged with the lid 22 of the manhole 20 and the second fixing member 320 is engaged with the handle 250 of the fall prevention apparatus 200. The first fixing member 310 and the second fixing member 320 may be connected to each other through a chain 330.

The first fixing member 310 is provided so as to penetrate the lid 22 so that the first fixing member 310 does not protrude from the outer surface of the lid 22 and the first fixing member 310 affects the pedestrian or the vehicle . ≪ / RTI >

The second fixing member 320 is detachably attached to the handle 250 so that the lid 22 can be easily removed when replacing the lid 22 or performing work in the inner space 23 of the manhole 20 It is possible to prevent the maintenance and repair work from being affected by the loss prevention device 300.

Since the loss prevention device 300 is not directly connected to the pillar 21 or the bottom surface, the pillar 21 or the slab main body and the bottom surface may be pierced to install the pillar prevention device 300 It is possible to exert the effect of improving the workability of the manhole 20 reinforcement work.

As described above, since the loss prevention device 300 is provided, it is possible to prevent the loss of the lid 22 due to an external impact or the pressure in the manhole 20, and at the same time, And the like can be prevented from being damaged in advance.

Next, a method of installing the manhole reinforcement apparatus 10 according to an embodiment of the present invention will be described.

7 is a flowchart illustrating a method for installing a manhole maintenance reinforcing apparatus according to an embodiment of the present invention.

7, the method for installing the manhole reinforcement apparatus 10 according to an embodiment of the present invention includes the steps of (a) removing the ascon and concrete around the manhole 20 embedded in the floor surface (S110 ); (b) separating the lid 22 of the manhole 20 from the pillar 21 (S120); (c) installing (S130) a plurality of height adjusting devices 100 on the pillar 21; (d) placing the fall prevention device 200 in the internal space 23 of the pillar 21 (S140); (e) connecting the fall prevention device 200 with the height adjustment device 100 (S150); And (f) installing (S160) a loss prevention device 300 for connecting the fall prevention device 200 and the lid 22 to each other.

In the step (c), the strong anchor 110 having the bolts 120 at one end is fixed to the floor; Tightening a height adjusting nut (140) for adjusting the height of the ridge (21) to the bolt (120); A supporting portion 132 extending from the opposite ends of the body portion 131 to the side of the rear side of the rear side of the body portion 131 to support the rear side of the rear side of the rear side of the body portion 131, A first space 133a formed in the outer direction of the pillar 21 around the computer bolt 120 fastened to the pillar 131 and a metal bolt 120 fastened to the body 131, Tightening the pedestal (130) having the space (133) having the second space (133b) formed in the inner direction of the bolt (120); Engaging the ridge (21) with the bolt (120); Fastening the washer (150) to the bolt (120); And fastening the height fixing nut 160 for fixing the height of the pedestal 130 and the pillar 21 to the bolts 120 so as to be positioned on the top of the pillar 21. [

In addition, after the step (e), a packing member 134 for preventing the reinforcement or the ultra low velocity mortar from being introduced into the second space 133b when the reinforcing material or the ultra low velocity mortar is injected into the first space 133a May be provided.

The step (e) includes a main body 210 located in the inner space 23 of the manhole 20, a plurality of legs (not shown) extending from the main body 210 in the direction of the plurality of height adjusting devices 100 A protrusion 230 provided at one end of the leg 220 and seated in the second space 133b and a seating space 240 formed in one end of the leg 220 and on which the protrusion 230 is seated, A handle 250 which is engaged with the protrusion 230 to move the protrusion 230 to the inside and the outside of the seating space 240 with ease and a handle 250 formed on one side of the leg 220 having the handle 250, (230) to the second space (133b) using the handle (250) of the fall prevention apparatus (200) having the guide groove (260) have.

The step (f) includes the steps of coupling the first fixing member 310 to the lid 22, coupling the second fixing member 320 to the handle 250, 310 and the second fastening member 320 to the chain 330. In this case,

The height of the manhole 20, which is settled by the vibration and the load applied continuously as the pillar 21 can be lifted from the bottom surface by using the height adjusting device 100 installed as described above, And it is possible to exert an effect of reducing the damage of the manhole 20 caused by the external impact or the pressure in the manhole 20 through the fall prevention device 200 and the loss prevention device 300 .

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. Those skilled in the art, who understands the spirit of the present invention, can readily suggest another embodiment by adding, changing, deleting, or adding elements within the scope of the same idea, but this is also within the spirit of the present invention something to do.

10: manhole maintenance reinforcement device 20: manhole
100: height adjusting device 200: fall preventing device
300: Loss prevention device

Claims (12)

A plurality of height adjusting devices fixed to the floor surface and coupled to the iron holes of the manholes to adjust the height of the iron,
A fall preventing device connected to a plurality of the height adjusting devices and located in an inner space of the manhole to prevent a pedestrian from falling into an inner space of the manhole when the lid of the manhole is opened;
And a lid preventing device provided to connect the fall preventing device and the lid to prevent loss of the lid when the lid is opened,
The height adjusting device includes a strong anchor fixed to a floor surface, a bolt provided at one end of the strong anchor to be fastened to the steel bar, a pedestal placed under the iron and fastened to the bolt, A washer fastened to the bolt so as to be positioned on the upper part of the iron, and a washer fastened to the bolt so as to be positioned on the upper part of the iron, And a height fixing nut for fixing the height of the iron,
The pedestal includes a plate-like body portion through which the bolts are passed, a support portion extending from both opposite ends of the body portion to the side of the pillar and supporting the pillar, and a support portion between the body portion and the lower portion of the pillar And a space formed in the manhole reinforcement apparatus.
delete delete The method according to claim 1,
Wherein the space portion includes a first space formed in the outer direction of the iron piece around the bolt fastened to the body portion,
And a second space formed in the inner direction of the iron core around the bolt fastened to the body portion.
5. The method of claim 4,
And a packing member for preventing a reinforcement or a hardening agent from flowing into the second space when the reinforcing material or the hardening agent is injected into the first space.
5. The method of claim 4,
The fall prevention device includes a main body positioned in an inner space of the manhole,
A plurality of legs extending from the body in the direction of the plurality of height adjustment devices,
A protrusion provided at one end of the leg and seated in the second space,
A seating space formed inside the one end of the leg to seat the projection,
A handle for engaging with the projection to easily move the projection into and out of the seating space,
And a guide groove formed on one side of the leg to define a movement range of the handle.
The method according to claim 6,
Wherein the loss prevention device includes a first fixing member for engaging with the lid,
A second fixing member for engaging with the handle,
And a chain connecting the first fixing member and the second fixing member to each other.
delete delete delete delete delete

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