KR102274030B1 - Manhole construction method using gradient and height adjuster of manhole cover - Google Patents

Abstract

The present invention relates to a construction method using an inclination and height adjustment device of a manhole cover installed between a manhole cover support frame and a manhole slab or a metal plate installed on the manhole slab. According to the present invention, the construction method using the inclination and height adjustment device of the manhole cover may comprise the steps of: forming a manhole cover support frame connection bolt hole and a fixing frame connection bolt hole in the manhole slab and a fixing frame, respectively; laminating a height adjustment plate, a wedge for fine height adjustment, and a lower inclination adjustment member in an installation space; moving the wedge for fine height adjustment by using an adjusting means and determining the height of the lower inclination adjustment member; temporarily installing the manhole cover support frame positioned on an upper surface of an upper inclination adjustment member; and filling an empty space between the manhole cover support frame and the manhole slab or road surface by using concrete or asphalt.

Description

{Manhole construction method using gradient and height adjuster of manhole cover}

The present invention relates to a manhole construction method, and more particularly, to create a comfortable road environment by solving problems such as destruction around the manhole cover, subsidence, partial rise due to destruction, and inconsistency with the road surface on an inclined road. will be.

The manhole cover installed in the road is made by constructing concrete containing concrete reinforcement or geotextile under the manhole cover, and it is applied to concrete such as repeated loads from vehicle traffic, softening of concrete due to rain, and toxicity of calcium deterioration due to snow removal. When various adverse effects are applied and a long period of time elapses, there is a problem in that the manhole cover is subsided due to a decrease in the strength of the concrete, and the surrounding area of the manhole cover is destroyed.

In addition, it is difficult to construct the conventional manhole cover by accurately reflecting the inclination of the road surface, and since the inclination of the manhole cover and the inclination of the road surface are different from each other, as irregularities occur on the road, vibration and noise are likely to occur when a vehicle passes by. had its drawbacks.

Republic of Korea Patent Publication No. 1999-0070882

The present invention has been devised to solve the problems of the prior art, and the present invention is to install a device capable of adjusting the height and inclination to a fine degree to a fine degree at the lower part of the manhole cover support frame, thereby promoting comfortable driving of the vehicle and surrounding the manhole cover. Its purpose is to provide a construction method that dramatically reduces the cost of repairing the

The manhole construction method of the present invention for achieving the above object is sandwiched between a manhole cover support frame and a manhole slab or a metal plate installed on the manhole slab, and a plurality of installed manhole covers inclination and height adjustment device using a construction method As, the inclination and height adjustment device of the manhole cover, a bottom plate fixed on the upper surface of the manhole slab, and a fixed frame comprising an installation space formed by a lower end coupled to the bottom plate and surrounded by walls erected upwards , The height adjustment plate laminated on the bottom plate in the interior of the installation space, the lower surface is flat and the upper surface has an inclined surface inclined in one direction, a wedge for fine height adjustment stacked on the height adjustment plate in the interior of the installation space, the fine height Adjusting means for allowing the adjustment wedge to move linearly or to be fixed within the installation space, the upper surface is flat and the lower surface has an inclined surface inclined in one direction, the lower inclination adjustment member overlapped on the wedge for fine height adjustment, the lower part A concave portion for accommodating the convex portion is formed on the lower surface so that the convex portion coupled to the upper surface of the inclination adjustment member and protruding upward and the inner surface are in close contact with the outer surface of the convex portion, and an upper surface for supporting the manhole cover support frame and an upper inclination adjusting member configured to be inclined in a free direction with the convex part as an axis, and the lower inclination when the wedge for fine height adjustment is moved by the adjusting means in a direction in which the upper surface is inclined and descends The adjustment member is pushed up by the wedge for fine height adjustment, and when the wedge for fine height adjustment is moved along the direction in which the upper surface slopes and rises by the adjustment means, the lower inclination adjustment member goes down and the upper surface of the upper inclination adjustment member It is configured to be able to adjust the height, and the walls of the fixed frame, a pair of supports erected to face each other with the installation space therebetween so that the wedge for fine height adjustment is sandwiched therebetween, and the linear movement of the wedge for fine height adjustment in a position that blocks and a pair of movement prevention plates erected to face each other with the installation space interposed therebetween, wherein an adjustment bolt hole is formed through the movement prevention plate, and the adjustment means passes through the adjustment bolt hole and the adjustment bolt hole and It is a screw-coupled adjustment bolt, and by loosening or tightening the adjustment bolt and moving the adjustment bolt, when the end of the adjustment bolt is brought into contact with the wedge for fine height adjustment, the movement of the wedge for fine height adjustment is restricted, and the wedge for fine height adjustment can be fixed, and when the end of the adjustment bolt is separated from the wedge for fine height adjustment, it is characterized in that the wedge for fine height adjustment is configured to move within a certain range within the installation space, and in the installation space Stacking the height adjustment plate, the wedge for fine height adjustment, and the lower inclination adjustment member, moving the wedge for fine height adjustment using the adjustment means and determining the height of the lower inclination adjustment member, the upper inclination adjustment member It may include the step of temporarily installing the manhole cover support frame located on the upper surface of the and filling the empty space between the manhole cover support frame, the manhole slab or the road surface using concrete or asphalt.

Or, the manhole construction method of the present invention is a construction method using a manhole cover support frame and a manhole slab or a metal plate installed on the manhole slab and installed in a plurality of inclination and height adjustment devices as a construction method using the inclination and height adjustment device of the manhole cover. And the height adjustment device, a bottom plate fixed on the upper surface of the manhole slab, and a fixed frame comprising an installation space formed by combining the lower end with the bottom plate and being surrounded by the walls erected upward, in the interior of the installation space The height adjustment plate laminated on the bottom plate, the lower surface is flat and the upper surface has an inclined surface inclined in one direction, the wedge for fine height adjustment stacked on the height adjustment plate in the interior of the installation space, and the wedge for fine height adjustment inside the installation space Adjusting means to enable linear movement or to be fixed in, the upper surface is flat and the lower surface has an inclined surface inclined in one direction, a concave portion is formed on the upper surface, and a lower inclination adjustment member superimposed on the wedge for fine height adjustment, the manhole It has an upper surface for supporting the lid support frame, and a convex portion protruding downward so that the outer surface is in close contact with the inner surface of the concave portion is coupled to the lower surface, and an upper slope configured to be tilted in a free direction with the convex portion as an axis It is configured to include an adjustment member, and when the wedge for fine height adjustment is moved along the direction in which the upper surface is inclined and descends by the adjustment means, the lower inclination adjustment member is pushed up by the wedge for minute height adjustment, and by the adjustment means When the wedge for fine height adjustment is moved in a direction in which the upper surface is inclined and ascends, the lower inclination adjustment member is descended and is configured to adjust the height of the upper surface of the upper inclination adjustment member, and the walls of the fixed frame are interposed therebetween. A pair of supports erected to face each other with the installation space interposed therebetween so that the wedge for fine height adjustment is fitted, and a pair of stand facing each other with the installation space interposed therebetween so as to block the linear movement of the wedge for fine height adjustment with anti-move plate and an adjustment bolt hole is formed through the movement preventing plate, and the adjustment means is an adjustment bolt screwed with the adjustment bolt hole while passing through the adjustment bolt hole, and moves the adjustment bolt by loosening or tightening the adjustment bolt By making the end of the adjustment bolt in contact with the wedge for fine height adjustment, it is possible to limit the movement of the wedge for fine height adjustment to fix the position of the wedge for fine height adjustment, and the end of the adjustment bolt to the wedge for fine height adjustment The step of stacking the height adjustment plate, the fine height adjustment wedge and the lower inclination adjustment member in the installation space, characterized in that it is configured to move the wedge for fine height adjustment within a certain range within the installation space when separated from the installation space, Moving the wedge for fine height adjustment using the adjusting means and determining the height of the lower inclination adjustment member, temporarily installing the manhole cover support frame located on the upper surface of the upper inclination adjustment member, and concrete or asphalt It may include the step of filling the empty space between the manhole cover support frame, the manhole slab or the road surface by using.

At this time, the support is formed with an installation groove recessed by a predetermined length downward from the upper end, and the movement prevention plate is installed detachably by inserting the edge portion into the installation groove. is available.

As described above, the construction method using the device for adjusting the inclination and height of the manhole cover according to the present invention uses a non-deformable material with high rigidity, such as cast iron or cast steel, instead of a concrete-based material for structural stability such as a road, to support the manhole cover. By completing a semi-permanent structure in the lower part of the frame, a pleasant road environment is created according to the stabilization around the manhole cover, and damage caused by the impact of vehicle movement and corrosion of the concrete system by rainwater and calcium chloride used for snow removal is prevented. By providing an installation method that exactly matches the slope and height of the road, the cost of road maintenance and management is reduced, and the road performance is improved to provide a comfortable driving condition to the driver.

1 is a block diagram of a manhole construction method of the present invention.
2 and 3 is an exploded perspective view showing a manhole cover support frame provided with a device for adjusting the inclination and height of the manhole cover according to the present invention.
Figure 4 is an exploded perspective view showing the fixed frame of the inclination and height adjustment device of the manhole cover according to the present invention.
5 is a perspective view showing a device for adjusting the inclination and height of the manhole cover according to the present invention.
And Figure 6 is a cross-sectional view showing a device for adjusting the inclination and height of the manhole cover according to the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of the manhole construction method of the present invention, the manhole construction method of the present invention uses the inclination and height adjustment device of the manhole cover.

First, the inclination and height adjustment device of the manhole cover used in the manhole construction method of the present invention will be described with reference to FIGS. 2 to 6 . 2 and 3 are exploded perspective views showing a manhole cover support frame provided with a device for adjusting the inclination and height of the manhole cover according to the present invention, and FIG. 4 is a fixed frame of the device for adjusting the inclination and height of the manhole cover according to the present invention. It is an exploded perspective view shown, and FIG. 5 is a perspective view showing the inclination and height adjustment device of the manhole cover according to the present invention. And Figure 6 is a cross-sectional view showing a device for adjusting the inclination and height of the manhole cover according to the present invention.

The operation of matching the manhole cover support frame with the road surface by the first embodiment of the inclination and height adjustment device of the manhole cover used in the manhole construction method of the present invention according to FIG. 2 is first, a concrete manhole slab 40 Remove and arrange foreign substances on the surface of the , and form a hole in the manhole slab 40 to form the manhole cover support frame connection bolt hole 11 and the fixed frame connection bolt hole 111 .

The fixed frame connection bolt hole 111 is formed in a position corresponding to the bolt hole formed in the four corners of the bottom plate 110 of the fixed frame 100 among the manhole slab 40 when positioned on the manhole slab 40. Then, the bolts are sequentially fastened to the bolt holes formed in the fixing frame 100 and the fixing frame connection bolt holes 111 so that the fixing frame 100 is not separated from the initially fixed position.

The manhole cover support frame connection bolt hole 11 is formed around the lower end of the manhole cover support frame 10 of the manhole slab 40 when the manhole cover support frame 10 is placed on the manhole slab 40. Formed at a corresponding position, and in turn fastening the elongated computational bolts 30 in the vertical direction to the bolt holes formed in the manhole cover support frame 10 and the manhole cover support frame connection bolt holes 11 to provide the manhole cover support frame (10) It is fixed so as not to be separated from the state supported by the inclination and height adjustment device of the manhole cover.

The second embodiment of the inclination and height adjustment device of the manhole cover used in the manhole construction method of the present invention according to FIG. 3 is different from the first embodiment described above, in the case of the embodiment of FIG. 2, the inclination and height adjustment device of the manhole cover While the bottom surface of the manhole slab 40 is in direct contact, in the case of the embodiment of FIG. 3, the metal plate 20 in the form of a circular ring is placed on the manhole slab forming the periphery of the manhole, and the inclination and height adjustment device of the manhole cover That the bottom surface is installed on the metal plate (20). In the case of the embodiment of Figure 3, in addition to the manhole slab 40, the fixing frame connection bolt hole 111 is also formed in the metal plate 20, and the bolt for fixing the fixing frame 100 is the fixing frame 100 and the metal plate 20. Penetrating through the bolt hole formed in the manhole slab 40 is fastened.

The fixing frame 100 is laminated directly on the manhole slab 40 or the metal plate 20 and is fixed on the manhole slab 40 by bolting through the four corners. The bottom plate 110 and the bottom plate 110 ) The above rectangular parallelepiped installation space is composed of walls surrounding it from all sides.

The wall of the fixed frame 100 is vertically erected from each of the left and right ends of the bottom plate 110 , and a pair of supporters 120 in the form of plates facing each other while positioned side by side, and the left and right ends of the supports 120 ) and includes a movement preventing plate 130 that is vertically erected while forming a right angle with the support 120 .

In each of the front part and the rear part of the support 120, an installation groove 121 having a rectangular hole shape when viewed from the side is formed downward by a predetermined length from the upper edge, and the movement prevention plate 130 is a rectangular plate shape and It is composed of a fitting wing portion 132 coupled to the upper portion of both edges thereof, and the fitting wing portion 132 of the movement prevention plate 130 is fitted into the installation groove 121 of the support 120 , and thus the support 120 and The movement prevention plate 130 is coupled to each other. When the movement prevention plate 130 is pulled upward and the fitting wing part 132 is removed from the installation groove 121 , the movement prevention plate 130 can be separated from the support 120 .

A total of four adjustment bolt holes 131 are formed through the movement prevention plate 130, two on each left and right of the upper part, and a female thread is formed on the inner circumferential surface of the adjustment bolt hole 131. . The configuration of the above-described adjustment bolt hole 131 is only one example, and at least one or more may be formed in various ways.

By completing the semi-permanent structure in the lower part of the manhole cover support frame by the inclination and height adjustment device of the manhole cover used in the manhole construction method of the present invention described above, a comfortable road environment is created according to the stabilization around the manhole cover, Damage caused by the impact and corrosion of the concrete system by calcium chloride used for rainwater and snow removal can be prevented.

Next, the manhole construction method of the present invention according to FIG. 1 is a step of stacking a height adjustment plate, a wedge for fine height adjustment and a lower inclination adjustment member in the installation space, and determining the height of the lower inclination adjustment member using the wedge for fine height adjustment It may include a step, a step of temporarily installing the manhole cover support frame, and a finishing step using concrete or asphalt.

The step of stacking the height adjustment plate, the wedge for fine height adjustment and the lower inclination adjustment member in the installation space is the upper surface is opened and the bottom plate 110, the pair of supporters 120 and the pair of movement prevention plates 130 are used. It is a step in which the height adjustment plate 300, the wedge 400 for fine height adjustment, and the lower inclination adjustment member 500 are sequentially stacked from the bottom to the top in the installation space, which is a space in the form of a rectangular parallelepiped.

At this time, since there is a difference in height for each location depending on the conditions of each site, the height adjustment plate 300, which is a rectangular iron plate of a certain thickness, is superimposed on the bottom plate 110 so that it is sandwiched between the pair of supports 120, so that the primary height can be adjusted with

The step of determining the height of the lower inclination adjusting member by using the wedge for fine height adjustment is a step of finely adjusting the height using the wedge 400 for fine height adjustment after the height adjustment is primarily made, the fine The height adjustment wedge 400 has a flat lower surface and is overlapped with the upper surface of the height adjustment plate 300, and the upper surface is a wedge-shaped member having an inclined surface inclined in one direction, and is fixed or fixed on the height adjustment plate 300 or in the front and rear directions. installed to be movable.

Whether the wedge 400 for fine height adjustment is fixed depends on the adjustment bolt 200 screwed to the adjustment bolt hole 131 and penetrating the adjustment bolt hole 131 .

When the adjustment bolt 200 is tightened or loosened, the adjustment bolt 200 moves back and forth. When one end of the adjustment bolt 200 comes into contact with the wedge 400 for fine height adjustment, the movement of the wedge 400 for fine height adjustment is limited. As shown in FIG. 5, by tightening both the front and rear adjustment bolts 200 of the wedge 400 for fine height adjustment, the adjustment bolts 200 are in contact with both the front and rear surfaces of the wedge 400 for fine height adjustment. The wedge 400 cannot move forward nor backward, so it is in a fixed state. Conversely, when the adjusting bolt 200 is loosened so that the adjusting bolt 200 and the fine height adjusting wedge 400 are separated from each other, the fine height adjusting wedge 400 can be moved in a straight direction.

The lower inclination adjustment member 500 has a flat upper surface and a lower surface inclined in one direction, is superimposed on the wedge 400 for fine height adjustment, and is a member fitted between a pair of movement prevention plates 130, for fine height adjustment When the wedge 400 moves forward, the inclined upper surface of the wedge 400 for fine height adjustment pushes up the lower inclination adjustment member 500 so that the lower inclination adjustment member 500 rises, and the wedge 400 for fine height adjustment When moving backward, the lower inclination adjusting member 500 is lowered on the contrary. In this way, the height of the lower inclination adjusting member 500 can be precisely adjusted at a fine level.

At this time, a guide or guide groove is formed in the wedge 400 for fine height adjustment or the lower inclination adjusting member 500 to smoothly induce the movement of the fine height adjusting wedge 400 and the lower inclination adjusting member 500 . can do.

Specifically, a convex guide is formed in the center of the wedge 400 for fine height adjustment, and a guide groove is formed in the lower inclination adjusting member 500 to correspond thereto, so that the guide slides in the guide groove and the lower inclination adjusting member ( 500) can be adjusted in height.

A hemispherical convex portion 600 convexly protruding upward is coupled to the central portion of the upper surface forming the horizontal of the lower inclination adjusting member 500 so as to be integrated with the lower inclination adjusting member 500 .

The upper inclination adjustment member 700 has a flat upper surface for supporting the manhole cover support frame 10, and a concave portion 800 having a size and shape to fit the convex portion 600 is formed in the center of the lower surface. The lower surface portion has a structure inclined upward while going to the edge with the concave portion 800 as the center.

The upper inclination adjustment member 700 is configured to be inclined in any direction, forward, backward, left, right, or left with the convex part 600 as an axis, and the inclination of the manhole cover support frame 10 mounted on the upper surface of the upper inclination adjustment member 700 is measured. It can be installed in an inclined state to reflect it as it is.

In this embodiment, the concave portion 800 is provided on the upper inclination adjustment member 700 and the convex portion 600 is provided on the lower inclination adjustment member 500 , but the convex portion 600 is provided on the upper inclination adjustment member 700 . ) is provided and it is also possible to configure the concave portion 800 to be provided in the lower inclination adjusting member 500 .

And in the step of temporarily installing the manhole cover support frame and the finishing step using the concrete or asphalt, the installation height and inclination degree of the manhole cover support frame 10 are temporarily placed on the inclination and height adjustment device of the manhole cover. Then, in the state in which the manhole cover support frame 10 is temporarily removed, the empty space between the manhole cover support frame 10 and the manhole slab 40 is filled with concrete and finished, and the manhole cover support frame 10 is installed again. Then, this time, the empty space between the road surface and the manhole cover support frame is finished with concrete or asphalt.

Through the manhole construction method of the present invention, it is possible to provide an installation method that accurately matches the slope and height of the surrounding road, thereby reducing the cost of road maintenance and management, and providing comfortable driving conditions to the driver by improving road performance.

As in the above description, the present invention has been described only with respect to preferred specific examples, but it is apparent to those skilled in the art that various modifications and variations are possible within the technical spirit of the present invention based on the above specific examples. and modifications are intended to fall within the scope of the appended claims.

The conventional manhole cover had a problem that depression and surrounding destruction occurred as time elapsed, but this problem will be remarkably improved by the semi-permanent device according to the present invention.

10: Manhole cover support frame 11: Manhole cover support frame connection bolt hole
20: metal plate 30: computerized bolt
40: manhole slab 100: fixed frame
110: bottom plate 111: fixing frame connection bolt hole
120: support 121: installation groove
130: movement prevention plate 131: adjustment bolt hole
132: fitting wing 200: adjusting bolt
300: height adjustment plate 400: wedge for fine height adjustment
500: lower inclination adjustment member 600: convex portion
700: upper inclination control member 800: concave

Claims (3)

In the manhole construction method using a manhole cover support frame and a manhole slab or a metal plate installed on the manhole slab and installed in a plurality of inclination and height adjustment devices,
The inclination and height adjustment device of the manhole cover,
a fixed frame including a floor plate fixed on the upper surface of the manhole slab, and an installation space formed by being surrounded by walls erected upward in combination with the lower end of the floor plate;
a height adjustment plate stacked on the bottom plate in the installation space;
The lower surface is flat and the upper surface has an inclined surface inclined in one direction, the wedge for fine height adjustment is stacked on the height adjustment plate in the interior of the installation space;
adjusting means for allowing the wedge for fine height adjustment to be linearly moved or fixed within the installation space;
The upper surface is flat and the lower surface has an inclined surface inclined in one direction, the lower inclination adjustment member overlapped on the wedge for fine height adjustment;
a convex portion coupled to the upper surface of the lower inclination adjusting member and protruding upward; and
A concave portion for accommodating the convex portion is formed on the lower surface so that the inner surface of the convex portion is in close contact with the outer surface of the convex portion, and an upper surface for supporting the manhole cover support frame is provided, and the convex portion is configured to be tilted in a free direction as an axis. Consists of including an upper inclination adjustment member,
When the wedge for fine height adjustment is moved along the direction in which the upper surface is inclined and descended by the adjusting means, the lower inclination adjustment member is pushed up by the wedge for fine height adjustment, and the upper surface of the wedge for fine height adjustment by the adjusting means is moved When it is moved along the inclined upward direction, the lower inclination adjustment member is descended and is configured to adjust the height of the upper surface of the upper inclination adjustment member,
The walls of the fixed frame, a pair of supports erected to face each other with the installation space interposed therebetween so that the wedge for fine height adjustment is sandwiched therebetween, and the installation space so as to block the linear movement of the wedge for fine height adjustment It includes a pair of movement prevention plates erected to face each other across the
An adjustment bolt hole is formed through the movement preventing plate, and the adjustment means is an adjustment bolt screwed with the adjustment bolt hole while passing through the adjustment bolt hole, and by loosening or tightening the adjustment bolt to move the adjustment bolt. When the end of the adjustment bolt is in contact with the wedge for fine height adjustment, the position of the wedge for fine height adjustment can be fixed by limiting the movement of the wedge for fine height adjustment, and the end of the adjustment bolt is separated from the wedge for fine height adjustment It is characterized in that it is configured to move the wedge for fine height adjustment in a certain range within the installation space when dropped,
laminating the height adjustment plate, the wedge for fine height adjustment, and the lower inclination adjustment member in the installation space;
moving the wedge for fine height adjustment using the adjusting means and determining the height of the lower inclination adjusting member;
Temporarily installing the manhole cover support frame positioned on the upper surface of the upper inclination control member; and
Filling the empty space between the manhole cover support frame, the manhole slab or the road surface using concrete or asphalt;
A manhole construction method using a device for adjusting the inclination and height of the manhole cover comprising a. A manhole construction method using a manhole cover support frame and a manhole slab or a metal plate installed on the manhole slab and using a device for adjusting the inclination and height of a plurality of manhole covers,
The inclination and height adjustment device of the manhole cover,
a fixed frame including a floor plate fixed on the upper surface of the manhole slab, and an installation space formed by being surrounded by walls erected upward in combination with the lower end of the floor plate;
a height adjustment plate stacked on the bottom plate in the installation space;
The lower surface is flat and the upper surface has an inclined surface inclined in one direction, the wedge for fine height adjustment is stacked on the height adjustment plate in the interior of the installation space;
adjusting means for allowing the wedge for fine height adjustment to be linearly moved or fixed within the installation space;
The upper surface is flat and the lower surface has an inclined surface inclined in one direction, the upper surface is formed with a concave portion, the lower inclination adjustment member overlapped on the wedge for fine height adjustment;
It has an upper surface for supporting the manhole cover support frame, and a convex portion protruding downward so that the outer surface is in close contact with the inner surface of the concave portion is coupled to the lower surface, and is configured to be tilted in a free direction with the convex portion as an axis Consists of including an upper inclination adjustment member,
When the wedge for fine height adjustment is moved along the direction in which the upper surface is inclined and descended by the adjusting means, the lower inclination adjustment member is pushed up by the wedge for fine height adjustment, and the upper surface of the wedge for fine height adjustment by the adjusting means is moved When it is moved along the inclined upward direction, the lower inclination adjustment member is descended and is configured to adjust the height of the upper surface of the upper inclination adjustment member,
The walls of the fixed frame, a pair of supports erected to face each other with the installation space interposed therebetween so that the wedge for fine height adjustment is sandwiched therebetween, and the installation space so as to block the linear movement of the wedge for fine height adjustment It includes a pair of movement prevention plates erected to face each other across the
An adjustment bolt hole is formed through the movement preventing plate, and the adjustment means is an adjustment bolt screwed with the adjustment bolt hole while passing through the adjustment bolt hole, and by loosening or tightening the adjustment bolt to move the adjustment bolt. When the end of the adjustment bolt is in contact with the wedge for fine height adjustment, the position of the wedge for fine height adjustment can be fixed by limiting the movement of the wedge for fine height adjustment, and the end of the adjustment bolt is separated from the wedge for fine height adjustment It is characterized in that it is configured to move the wedge for fine height adjustment in a certain range within the installation space when dropped,
laminating the height adjustment plate, the wedge for fine height adjustment, and the lower inclination adjustment member in the installation space;
moving the wedge for fine height adjustment using the adjusting means and determining the height of the lower inclination adjusting member;
Temporarily installing the manhole cover support frame positioned on the upper surface of the upper inclination control member; and
Filling the empty space between the manhole cover support frame, the manhole slab or the road surface using concrete or asphalt;
A manhole construction method using a device for adjusting the inclination and height of the manhole cover comprising a. 3. The method of claim 1 or 2,
The support is provided with an installation groove recessed by a predetermined length downward from the upper end, and the movement prevention plate is installed detachably by inserting the edge into the installation groove. Using a device for adjusting the inclination and height of the manhole cover How to build a manhole.

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