KR100880802B1 - Prefab manhole with inclination adjust device for manhole cover - Google Patents

Abstract

A prefabricated manhole with the variable installation angle is provided to prevent the formation of irregularities on a road surface caused by installing a manhole cover at the different inclination angle from the inclination of a road surface and installing a manhole cover at the different height from the height of a road surface. A prefabricated manhole with the variable installation angle includes a manhole cover(12), a fixed bracket(14) having step height, an inclination control member(16) controlling the inclined direction of the manhole cover, a first support member(30) having a through hole inside, a cylindrical body member(40) whose top is coupled to the first support member, and a second support member(50) fixed with the bottom of the body member, wherein the inclination control member and the first support member are coupled by a fastening bolt(24) and a fastening nut(26), and the inclination control member is provided with a sliding hole(18) to penetrate the fastening bolt.

Description

Adjustable angle prefabricated manhole {PREFAB MANHOLE WITH INCLINATION ADJUST DEVICE FOR MANHOLE COVER}

The present invention relates to a manhole, and more particularly, to an installation angle variable type prefabricated manhole made easy to change the installation angle of the manhole cover and height adjustment.

In general, a manhole is a concrete structure prepared for human access to inspect or clean underground sewer pipes, water pipes, gas pipes, and telephone lines, and is generally a place where the thickness or direction of a pipe is changed, It is installed in the middle of intersection and long straight part.

The manhole includes a manhole inlet that is open toward a road surface so that an operator can enter and exit a facility for failure inspection or parts replacement when a buried telephone line or gas pipe is broken or damaged. In order to selectively open and close the manhole cover made of various shapes is provided on the upper manhole.

However, the conventional manhole cover is installed to be lower or partially higher than the road surface and the manhole cover is installed in a flat manner without being inclined according to the inclination of the road, thereby threatening safe driving. Therefore, there is a need for improvement.

The present invention has been created by the necessity as described above, the manhole cover can be prevented from forming irregularities on the road surface by being installed at an inclination angle different from the inclination of the road surface or by installing the manhole cover at a height different from the height of the road surface. The purpose is to provide a prefabricated manhole with variable installation angle.

The installation angle variable prefabricated manhole according to the present invention includes: a manhole cover, an inclination adjusting member for supporting an edge of the manhole cover and adjusting the inclined direction of the manhole cover, and coupled to a lower side of the inclination adjusting member and having a through hole inside. The first support member is formed, and a cylindrical body member having an upper end coupled to the first support member, and a second support member to which the lower end of the body member is inserted and fixed.

Preferably, the upper side of the inclination control member in contact with the manhole cover is formed to be inclined, the inclination direction of the manhole cover is adjusted by the rotation of the inclination control member.

And, the lower side of the inclination adjustment member is laminated with a ring-shaped height adjustment plate for adjusting the height of the manhole cover.

A ring-shaped sealing plate using an elastic material provided between the inclination adjusting member and the height adjusting plate is provided.

In addition, the inclination adjustment member and the first support member are fastened by a fastening bolt and a fastening nut, and the inclined adjustment member is provided with a sliding hole in a long hole shape to allow the fastening bolt to pass therethrough.

And, the body member is manufactured using glass fiber reinforced plastics (GRP; Glass-fiber Reinforced Plastics).

A first mounting groove for inserting the upper end of the body member is provided below the first support member, and a second mounting groove for inserting the lower end of the body member is provided on the upper side of the second support member. do.

In addition, an uneven portion is provided on a side surface of the body member inserted into the first mounting groove and the second mounting groove.

After the upper end of the body member is inserted into the first mounting groove and the lower end of the body member is inserted into the second mounting groove, non-contraction mortar is filled in the first mounting groove and the second mounting groove. The first support member and the second support member are fixed to the body member.

And a mounting part having a connection hole at a side surface of the second support member, a joint pipe member inserted and fixed to the mounting part, and a shielding member blocking an outer side of the connection hole in which the joint pipe member is installed. do.

As described above, the installation angle variable prefabricated manhole according to the present invention can prevent the irregularities due to the manhole cover is not parallel to the road surface by adjusting the inclination angle and height of the manhole cover unlike the conventional invention Can be.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the mounting angle variable prefabricated manhole according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is an exploded perspective view of an installation angle variable prefabricated manhole according to an embodiment of the present invention, FIG. 2 is a side cross-sectional view of the installation angle variable prefabricated manhole shown in FIG. 1, and FIG. 3 is a variable installation angle shown in FIG. 2. Side cross-sectional view showing a coupling state of the prefabricated manhole, Figure 4 is an enlarged perspective view of the inclination adjustment member shown in Figure 1, Figure 5 is a partial cutaway perspective view of the inclination control member shown in Figure 4, Figure 6 3 is a view illustrating a state in which an installation angle of the manhole cover is changed as the inclination adjusting member shown in FIG. 3 is rotated, and FIG. 7 is an enlarged view of the shielding member shown in FIG. 1.

Installation angle variable prefabricated manhole according to the present invention, the manhole cover 12, the inclination adjustment member 16 for supporting the edge of the manhole cover 12 and adjusting the inclined direction of the manhole cover 12 and A first support member 30 coupled to a lower side of the inclination control member 16 and having a through hole formed therein, a cylindrical body member 40 having an upper end coupled to the first support member 30, and the The lower end of the body member 40 is configured to include a second support member 50 is fixed.

The inlet member 10 provided on the upper side of the body member 40 has a manhole cover 12 which is detachable to the upper side, and a fixing bracket 14 having a step for supporting the edge of the manhole cover 12. It is coupled to the lower side of the fixing bracket 14 is configured to include a tilt adjusting member 16 for adjusting the inclined direction of the manhole cover 12.

The manhole cover 12 is coupled to the inclination adjusting member 16 after being fixed to the fixing bracket 14 primarily, or the manhole cover to the inclination adjusting member 16 supporting the edge of the manhole cover 12. Various embodiments are possible, such as direct coupling (12).

The upper side of the inclination control member 16 in contact with the manhole cover 12 is formed to be inclined, the inclination direction of the manhole cover 12 is adjusted by the rotation of the inclination control member 16.

To this end, the inclination control member 16 is formed in a ring shape, the height of one side is low and the other side has a sloped upper shape that gradually increases.

When the operator rotates the inclination adjustment member 16 in consideration of the inclination direction of the road surface by fixing the inclination adjustment member 16 as described above, the inclination direction of the manhole cover 12 fixed thereto may also be adjusted. .

In addition, the lower side of the inclination control member 16 is laminated with a single or a plurality of height adjustment plates 20 having a height of a set dimension is formed in a ring shape to adjust the height of the manhole cover 12. .

The height control plate 20 is also made of a ring shape having a through-hole inside, by having a thickness of the set dimensions, increase or decrease the number of the height control plate 20 as necessary to adjust the height of the manhole cover 12 Done.

The height adjusting plate 20 and the fixing bracket 14 form a fastening hole 22, and the inclined adjustment member 16 is provided with a sliding hole 18 to the fastening bolt 24 and the fastening nut 26 The fastening is made.

The sliding hole 18 is formed of a long hole formed along the circumference, and a support partition wall is provided between the sliding hole 18 and the sliding hole 18.

The sliding hole 18 may be formed in a vertical hole shape, when the fastening nut 26 is fixed to the upper side of the inclination control member 16, the inner projection 17 inside the sliding hole 18. May protrude to have a stepped shape.

A ring-shaped sealing plate 19 using an elastic material provided between the inclination adjusting member 16 and the height adjusting plate 20 is provided.

The sealing plate 19 is preferably made of rubber, but is not limited thereto, and various materials may be applied within the technical concept of buffering and watertight.

The sealing plate 19 may be installed between the inclination adjusting member 16 and the height adjusting plate 20 or installed between the height adjusting plate 20 and the height adjusting plate 20.

In addition, the body member 40 is manufactured using glass fiber reinforced plastics (GRP; Glass-fiber Reinforced Plastics).

The glass fiber reinforced plastic is a compound made of a mixture of unsaturated polyester resin and glass fiber, and is a kind of plastic widely used in all fields of industry such as petrochemical, architecture, leisure, automobile industry, environmental industry due to its excellent corrosion resistance and heat resistance. to be.

When the glass fiber reinforced plastic is used as the body member 40 of the manhole, the construction and manufacturing process is facilitated by a light load, and the service life is extended by providing excellent semi-permanent manhole structure due to excellent elasticity and watertightness. Done.

In addition, the first support member 30 and the second support member 50 are manufactured using concrete.

However, the material of the first support member 30, the second support member 50, and the body member 40 is not limited thereto, and may be changed to various materials in consideration of strength, durability, and economy. .

Inside the body member 40 is provided with a ladder 44 for the worker to move up and down.

And, the first mounting groove 32 for inserting the upper end of the body member 40 is provided on the lower side of the first support member 30, the second for inserting the lower end of the body member 40 The mounting groove 52 is provided above the second supporting member 50.

By the structure of the manhole as described above, the body member 40 can be fixed with the first support member 30 and the second support member 50 without a separate fastening tool.

In addition, an uneven portion 42 is provided on a side surface of the body member 40 inserted into the first mounting groove 32 and the second mounting groove 52.

The uneven part 42 has a plurality of ring-shaped protrusions protruding from the inner side of the top and bottom of the body member 40, the body member 40 is the first mounting groove 32 and the second The fastening force inserted into the mounting groove 52 is improved.

In order for the body member 40 having the above configuration to be coupled to the first support member 30 and the second support member 50, the first mounting groove 32 for inserting the upper end of the body member 40 is provided. It is provided on the lower side of the first support member 30, the second mounting groove 52 for inserting the lower end of the body member 40 is provided on the upper side of the second support member (50).

By the structure of the manhole as described above, the body member 40 can be fixed with the first support member 30 and the second support member 50 without a separate fastening tool.

After the upper end of the body member 40 is inserted into the first mounting groove 32 and the lower end of the body member 40 is inserted into the second mounting groove 52, the first mounting groove ( 32 and the second mounting groove 52 are filled with the non-shrink mortar 54 is fixed to the body member 40, the first support member 30 and the second support member 50.

The body member 40 may be fixed only in a state of being inserted into the first mounting groove 32 and the second mounting groove 52 by interference fit, the body member 40 is the first mounting groove 32 ) And the non-shrink mortar 54 or a separate coagulant in the state inserted into the second mounting groove 52 to supply the body member 40 with the first support member 30 and the second support member 50. Fix it to

And, the mounting portion 60 having a connecting hole 62 on the side of the second support member 50, the joint pipe member 70 is inserted into and fixed to the mounting portion 60, and the joint pipe member ( It is configured to further include a shielding member 80 to block the outside of the connection hole 62 is installed 70.

A joint pipe member 70 for guiding the movement of water into the manhole is connected to the body member 40 or the second support member 50.

The connection hole 62 formed for the connection of the fitting pipe member 70 is formed in a tapered shape in which the diameter increases toward the outer side from the inner side of the mounting portion 60.

The connection hole 62 is formed in a tapered shape to facilitate the insertion of the fitting tube member 70, and the non-shrink mortar in the state in which the fitting tube member 70 is inserted into the connecting hole 62. 54) to secure a space for filling.

In addition, a coupling groove 64 is formed in the circumferential direction on a side surface of the second support member 50 in contact with the connection hole 62, and the coupling groove (to exhaust the air of the coupling groove 64 to the outside) By connecting the upper side of 64, one end is provided with a ventilation groove 66 in communication with the outside.

The non-shrink mortar 54 is filled and hardened in the coupling groove 64 to prevent the joint member 70 and the non-shrink mortar 54 from being separated from the second support member 50.

And, when the non-shrink mortar 54 is supplied to the connection hole 62 in the state in which the connection pipe member 70 is installed in the connection hole 62, a ventilation groove for connecting the upper side of the coupling groove 64 Air remaining in the coupling groove 64 is exhausted to the outside through the 66 to block the generation of bubbles inside the coupling groove 64, thereby increasing the structural rigidity.

An injection groove 68 is provided separately above the connection hole 62 to serve as a passage for injecting the non-shrink mortar 54 into the connection hole 62.

The mounting portion 60 is described in the embodiment installed in the second support member 50, in addition to the side of the second support member 50 of the body member 40 and the first support member 30 Another embodiment of the present invention is provided with a mounting portion 60 having a connecting hole 62 on the side and a fitting pipe member 70 coupled thereto, in which case the difference in dimensions is one embodiment of the present invention. You will use the same structure as

In addition, the joint pipe member 70 includes a pipe-shaped private joint pipe 72 and an uneven joint pipe 74 having irregularities formed on an outer surface thereof, and the private joint pipe 72 and the uneven joint pipe ( 74) can be used in combination or only one side can be used.

Further, elastic sealing members 90 and 91 are provided to surround the outer circumferential surface of the fitting tube member 70 in contact with the mounting portion 60 and have a wedge-shaped cross section.

The private joint tube 72 is provided with an elastic airtight member 90 having no internal concave-convex 99, and the elastic constriction member 91 provided with an internal concave-convex 99 is installed at the uneven joint tube 74.

The outer diameter of the elastic airtight members 90 and 91 is slightly larger than the inner diameter of the connecting hole 62, so that the elastic airtight members 90 and 91 are attached to one end of the joint tube member 70. In the insertion hole 62 is inserted into the elastic sealing member (90,91) is inserted into the inside of the connection hole 62 by interference fit.

The shielding member 80 which blocks the outside of the connecting hole 62 in which the fitting pipe member 70 is installed has a hole for penetrating the fitting pipe member 70 and is formed radially around the hole. The wing piece 82 is cut and is in contact with the outside of the fitting pipe member 70, and a flat shield plate 86 is connected to one end of the wing piece 82.

In addition, an airtight member 84 is mounted on the inner side of the wing piece 82 in contact with the outside of the fitting pipe member 70 and is elastically deformed along the outer shape of the fitting pipe member 70.

When the shielding member 80 supplies the non-shrink mortar 54 into the connection hole 62 through the injection groove 68 in the state in which the fitting pipe member 70 is installed in the connection hole 62. In order to prevent leakage of the non-shrink mortar 54 supplied to the connection hole 62 to the outside, the water leakage is prevented by surrounding the connection part outer side of the joint member 70 and the second support member 50. Will be prevented.

The airtight member 84 separately mounted inside the wing piece 82 is preferably formed of a material having a certain elasticity including rubber or sponge, and thus, the shielding member is formed on the uneven fitting pipe 74. When 80 is installed, the shape of the airtight member 84 is deformed and adhered along the outer concave-convex shape of the concave-convex pipe 74 to maximize the effect of preventing leakage.

In addition, an adhesive is applied to the airtight member 84 in contact with the joint pipe member 70.

Meanwhile, the rubber ring 88 is connected to a portion where the blade piece 82 and the shield plate 86 are connected to each other while the blade piece 82 of the shielding member 80 surrounds the outer side of the fitting tube member 70. By installing the shielding member 80 is prevented from being separated from the fitting pipe member (70).

In the installation angle variable prefabricated manhole according to an embodiment of the present invention having the configuration as described above will be described the effect of the inclination angle adjustment and height adjustment of the manhole cover 12.

Considering the height of the road surface on which the manhole cover 12 is installed, the number of height adjusting plates 20 is set.

For this reason, when the manhole cover 12 is lower than the road surface, the number of height adjusting plates 20 is added. (12) and the height of the road surface is adjusted to be the same.

In addition, the inclination angle of the manhole cover 12 is adjusted to be equal to the inclination angle of the road surface by rotating the inclination adjustment member 16 in accordance with the inclination angle of the road surface on which the manhole cover 12 is installed.

The inclination angle of the manhole cover 12 is rotated by rotating the inclination control member 16 within an angle range set in the state in which the fastening bolt 24 is inserted into the sliding hole 18 of the inclination control member 16. Will be adjusted.

Then, the sealing plate 19 of the elastic material is installed between the inclination adjusting member 16 and the height adjusting plate 20 and the height adjusting plate 20 is stacked to have a watertight action and a buffering action.

The non-shrink mortar 54 used in the present invention is only one embodiment of the present invention, in addition to the various mortars added to the cement for the purpose of compensating the shrinkage of the cement and cement and the super-speed mortar including the general mortar Various binding coagulation component materials including mortar of the kind can be used in place of the non-condensation mortar 54, of course.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

Therefore, the true technical protection scope of the present invention will be defined by the claims.

1 is an exploded perspective view of an installation angle variable prefabricated manhole according to an embodiment of the present invention.

Figure 2 is a side cross-sectional view of the installation angle variable prefabricated manhole shown in FIG.

Figure 3 is a side cross-sectional view showing a coupling state of the mounting angle variable prefabricated manhole shown in FIG.

Figure 4 is an enlarged perspective view of the inclination adjustment member shown in FIG.

5 is a partial cutaway perspective view of the inclination control member shown in FIG.

6 is a view showing a state in which the installation angle of the manhole cover is changed by the inclination adjustment member shown in FIG.

FIG. 7 is an enlarged view of the shield member shown in FIG. 1.

<Description of Symbols for Main Parts of Drawings>

10: entrance member 12: manhole cover

14: fixing bracket 16: tilt adjusting member

17: inner projection 18: sliding hole

19: sealing plate 20: height adjustment plate

22: fastening hole 24: fastening bolt

26: fastening nut 30: first support member

32: first mounting groove 40: body member

42: uneven portion 44: ladder

50: second support member 52: second mounting groove

54: non-contraction mortar 60: mounting portion

62: connector 64: coupling groove

66: aeration groove 68: injection groove

70: joint pipe member 72: private joint pipe

74: uneven fitting pipe 80: shielding member

82: wing piece 84: airtight member

86: shield plate 88: rubber ring

90, 91: elastic airtight member 99: internal irregularities

Claims (10)

Manhole cover; A fixing bracket having a step for supporting an edge of the manhole cover; An inclination adjusting member coupled to a lower side of the fixing bracket to adjust an inclined direction of the manhole cover; A first support member coupled to a lower side of the inclination control member and having a through hole formed therein; A cylindrical body member having an upper end coupled to the first support member; And A second support member to which the lower end of the body member is inserted and fixed, The inclination adjustment member and the first support member are fastened by a fastening bolt and a fastening nut, and the inclined adjustment member is provided with a sliding hole in a long hole shape to allow the fastening bolt to pass therethrough. After the upper end of the body member is inserted into the first mounting groove and the lower end of the body member is inserted into the second mounting groove, the first mounting groove and the second mounting groove are filled with non-contraction mortar. The installation angle variable prefabricated manhole characterized in that the first support member and the second support member is fixed to the member. delete delete delete delete delete delete delete delete delete

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