KR101278168B1 - Square manhole for sewage conduit - Google Patents

Abstract

PURPOSE: A rectangular manhole for a drainpipe is provided to easily access the inside of a manhole for maintenance and to reduce the generation of noise due to a loosened nut member by equipping a double locking structure. CONSTITUTION: A rectangular manhole for a drainpipe comprises a concrete manhole body(100), a support frame(110), a main manhole cover(120), a sub manhole cover(130), and an elastic pad. The sub manhole cover is formed in one side of the main manhole cover. The main manhole cover is doubly locked to the support frame by a double locking unit. The double locking unit comprises a bolt fastening device and a bolt locking device positioned at each edge of the main manhole cover. The bolt locking device comprises a pinion, a locking rod, a guiderail, and a locking groove.

Description

Square manhole for sewage pipes {Square manhole for sewage conduit}

The present invention relates to a large-scale square manhole that is installed as an auxiliary facility in a sewer pipe, such as a tea house, and more specifically, by having a structure that can easily open only a part of the manhole cover to facilitate access to the inside of the manhole, It relates to a square manhole having a double locking structure that the manhole cover is not easily separated.

In Cheongcheon, sewage generated from the urbanized areas such as homes and factories is collected and collected separately from rivers.In rainy weather, sewage pipes are installed to effectively collect a certain amount of rainwater and transfer it to the treatment plant along with the sewage that flows out from confluence. This is called tea house.

Manholes are always installed in places where the starting point, direction, slope, and diameter of sewage pipes, such as house drainage, changes in level, occurs, where conduits join, or where maintenance is necessary.

On the other hand, sewage pipe should be able to transport the fixed flow without difficulty. When the poor stormwater is excessively collected, a pressure pipe is formed in the sewage pipe, which causes the manhole to be broken or the manhole cover is released, and the sewage flows backward or overflows.

Therefore, in order to prevent such a phenomenon such as backflow in advance and to maintain the function of the sewage pipe, it is required to promptly and continuously dredge or clean the sediment in the sewage pipe, and also to the high pressure internal pressure in the manhole cover. It has a structure and weight that can withstand it sufficiently. For large sewage pipes, the manhole cover weighs several tons.

While the heavy weight of the manhole cover can reduce the possibility of departure by the passage or the internal pressure of the vehicle, on the other hand, the manhole cover of the heavy weight even if only the operator wants to enter the manhole for simple maintenance or confirmation In order to open the equipment, such as a crane is required to increase the working time and cost is excessive, and the range of traffic closure also increases, there is a problem that the inconvenience of road users such as vehicles and the room of safety accidents increase.

In addition, the steel lid of the square manhole for sewage pipe used up to now has not only inconvenienced the cyclists or pedestrians due to sliding by summer rain or winter freezing, but also maintained by separating materials such as asphalt, etc. Management costs were added and problems such as deteriorating road aesthetics were caused.

KR 20-0125321 Y1 KR 10-0320687 B1 KR 10-1067610 B1

The present invention is to solve the problems of the prior art as described above, while reducing the working time and cost by varying the opening and closing degree of the manhole according to the scope of the work, while the manhole cover is not easily detached square for sewer pipes The purpose is to provide a manhole.

In addition, the present invention, while having an elastic force, does not generate a slip due to rain, it is semi-permanent to minimize the maintenance cost, can be harmonized with the surrounding environment and easy to identify at night to prevent safety accidents Another purpose is to provide a rectangular manhole for sewerage.

According to a preferred embodiment of the present invention for solving the above problems, the rectangular support frame is fixed to the upper portion of the concrete manhole body; A main manhole cover seated on the support frame and covering the manhole body; An auxiliary manhole cover formed on one surface of the main manhole cover; It is made of an elastic pad attached to the upper surface of the main manhole cover and the auxiliary manhole cover to absorb the shock and prevent slipping; The main manhole cover, the upper plate to which the elastic pad is attached, the lower plate directly facing the support frame, the square tube lattice frame is inserted into a grid between the upper plate and the lower plate, and I to form a border of the manhole cover Made of section steel; The auxiliary manhole cover is composed of an auxiliary upper plate, a lateral side plate attached to the lower portion of the auxiliary upper plate, and a handle that is pin-coupled to be rotatable to the auxiliary upper plate; The main manhole cover is double-locked to the support frame by a double locking means, the double locking means is made of a bolt fastening device made at the corner of the main manhole cover and a latch lock device operated by the handle of the auxiliary manhole cover and ; The latch lock device, the pinion is formed on the lower end of the handle, the locking rod is formed with a horizontal movement by the pinion, the guide rail is attached to the square tube lattice or I-shaped steel and guides the horizontal movement of the locking rod, Square manhole for sewer pipe is provided, characterized in that consisting of a locking groove provided in the support frame so that the end of the locking rod is inserted.

According to another embodiment of the present invention, the auxiliary upper plate of the auxiliary manhole cover is provided with a space recessed in a position symmetrical to each other, the handle is installed in the space, the upper portion of the space further comprises a handle protection cap Provided is a rectangular manhole for sewerage.

According to another embodiment of the present invention, the guide rods are provided at both sides of the lock rod, and guide holes are provided at both sides of the guide rail, and the guide rod is inserted into the guide hole to move the lock rod along the guide hole. Provided is a rectangular manhole for sewage pipe.

According to another embodiment of the present invention, the surface of the elastic pad is provided with a rectangular manhole for sewer pipes, characterized in that the embossing is formed.

According to another embodiment of the present invention, the surface of the elastic pad is provided with a rectangular manhole for sewer pipes, characterized in that the night identification means is further formed.

According to the present invention, the manhole cover can be opened in whole or in part only according to the scope of work, so that maintenance can be easily performed, and unnecessary traffic control can be avoided. The noise caused by the loosening of the nut member can be reduced, and the effect of minimizing the occurrence of inconvenience and safety accidents for road users can be expected.

The present invention is made of a material and a structure that can sufficiently cope with the upper load and the internal pressure of the sewer pipe and the material separation to the upper manhole can not easily occur, it can be expected with a high structural stability and very improved durability.

The present invention can be harmonized with the surrounding environment, eco-friendly, and non-slip shock absorbing structure to allow the bicycle users, joggers or pedestrians to use the road without inconvenience caused by the manhole installed on the road It makes it possible to activate road use as space more.

1 is a perspective view showing the structure of a manhole according to the present invention as a whole.
2 is a perspective view showing the shape of the support frame of the present invention.
Figure 3 is a partial cross-sectional perspective view showing the manhole cover as a whole.
Figure 4 is a cross-sectional view AA of Figure 3 showing the structure of the main manhole cover according to the present invention.
5 is a cross-sectional view showing a bolting device as a first locking means for the main manhole cover of the present invention.
Figure 6 is a perspective view showing the structure of the auxiliary manhole cover according to the present invention.
Figure 7 is a perspective view showing the latch device of the present invention and an exploded view of each configuration.
8 is an explanatory view of an operation relationship of the latch lock device.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in describing the present invention, when the technical spirit of the present invention is obscured or obscured by describing the well-known configuration in detail, The description thereof will be omitted.

1 is a perspective view showing the structure of a manhole according to the present invention as a whole.

Square manhole for sewage pipe of the present invention, as shown in Figure 1, the rectangular manhole body 100 open to the top, the support frame 110 is fixed to the upper portion of the manhole body 100 and the support It consists of a manhole cover seated on the frame (110).

The manhole body 100 is constructed in a box shape of reinforced concrete structure, and a plurality of stepping portions 101 are fixedly installed on one surface of the inner side up and down. The foot step portion 101 is made of a structure that allows the operator to safely enter and exit to the deep bottom of the manhole, made of a material that is not easily corroded. The foot step portion 101 is preferably installed in a portion where the auxiliary manhole cover 130, which will be described later.

On the upper part of the manhole body 100, a rectangular support frame 110 corresponding to the manhole body 100 is fixedly installed. 2 is a perspective view showing the shape of the support frame 110.

As shown in FIG. 2, the support frame 110 includes a side wall 111 forming a rectangular border, and a seating surface 112 that is bent horizontally from the side wall 111 and supports the manhole cover while mounting the manhole cover. It has a self-sectional shape, the outer side is buried in the concrete of the manhole body 100 is attached to the shear connecting member 113 anchored so that the support frame 110 is not easily separated from the manhole body 100 at regular intervals.

Figure 3 is a perspective view showing the manhole cover as a whole.

The manhole cover of the present invention is seated on the support frame 110, the main manhole cover 120 to cover the manhole body 100 as a whole, and is installed on one surface of the main manhole cover 120, the small auxiliary manhole It consists of a lid (130).

4 is a cross-sectional view taken along line A-A of FIG. 3, showing a detailed structure of the main manhole cover 120.

The main manhole cover 120 is for supporting the load applied to the upper part of the manhole to ensure safety and to facilitate the entry of workers and large equipment into the interior for maintenance of the sewage pipe, the elastic pad 140 to be described later Is attached to the upper plate 121, the lower plate 122 directly facing the support frame 110, the square tube lattice frame 123 is inserted into the grid between the upper plate 121 and the lower plate 122, and It consists of an I-shaped steel 124 forming the rim of the manhole cover.

The upper plate 121, the lower plate 122, and the square tube lattice frame 123 constituting the main manhole cover 120 are all made of steel like the I-shaped steel 124 and have a high weight, thereby providing a double locking means to be described later. In addition, by the internal pressure of the sewage pipe that may occur during the rain so as not to be easily separated from the manhole body 100 or to break even under a large load and impact.

The square tube lattice 123 between the upper plate 121 and the lower plate 122 has a lattice structure, and the lattice structure evenly distributes the load acting on the upper plate 121 to form the I-shaped steel 124 and the edge. Since the mantle body 100 is securely transmitted through the support frame 110, the main manhole cover 120 having the above structure of the present invention easily generates bending deformation even with a large load such as a vehicle passing through the upper portion thereof. It does not have the effect of increasing the durability.

5 is a cross-sectional view showing the bolt fastening device 150 as the first locking means for the main manhole cover 120. The main manhole cover 120 is not easily separated from the manhole body 100 by the bolt fastening device 150 in the support frame 110.

To this end, a nut member may be formed on the seating surface 112 of the support frame 110 or a bolt thereof. Preferably, the nut member is fixed to a separate nut 152 embedded in the concrete of the manhole body 100, but does not include the separate nut 152, and the seating surface 112 of the support frame 110 is fixed. You can also form the nut directly).

In response to the nut member fixed to the manhole body 100 or the support frame 110, the main manhole cover 120 has a bolt hole communicating the upper plate 121, the I-shaped steel 124 and the lower plate 122 of the rim. Formed.

The nut member and the bolt ball as described above are installed and formed at each corner of the manhole body 100 and the manhole cover, and the manhole cover is a manhole body by screwing the fastening bolt 151 to the nut member through the bolt hole. Primary lock on 100).

As described above, the fastening bolt 151 is inserted into the fastening bolt, and the anchor bolt is embedded in the manhole body 100. Then, the fastening phenomenon is reduced and the fastening bolt 151 is fastened to the manhole cover. The expectation of a more positive effect is to prevent protruding to the top of.

The main manhole cover 120 having the above structure is further provided with an auxiliary manhole cover 130 that allows only an operator to enter the manhole. 6 illustrates the structure of the auxiliary manhole cover 130 as a whole.

The upper plate 121 and the lower plate 122 of the main manhole cover 120, the opening surface 125 is formed with respect to the portion where the auxiliary manhole cover 130 is located, the auxiliary manhole cover 130 is an auxiliary top plate ( 131, the edge side plate 132 attached to the lower side of the auxiliary upper plate 131, and a handle 133 installed to be pin-coupled to the auxiliary upper plate 131 so as to be rotatable.

The edge side plate 132 is formed vertically with a predetermined distance from the end of the auxiliary upper plate 131, when the auxiliary manhole cover 130 is to be closed, the auxiliary upper plate 131 is a square of the main manhole cover 120 It is seated on the upper surface of the tube grid 123 and the edge side plate 132 is sandwiched between the square tube grid 123 to close the open surface 125, each corner portion of the auxiliary top plate 131 square tube By screwing into the upper flange surface of the lattice frame 123 or the I-shaped steel 124 with the fastening bolt 151, it is possible to fix the auxiliary manhole cover 130 to the main manhole cover 120.

The auxiliary upper plate 131 is provided with spaces 134 recessed in positions symmetrical to each other, and a hinge hole is formed at a side surface constituting the space 134, the handle 133 for opening and closing the auxiliary upper plate 131 is It is pinned to the hinge hole is installed in the space 134. A handle protection cap 135 may be further provided to cover the space 134 to protect the handle 133.

The handle 133 has a unique function for opening and closing the auxiliary manhole cover 130 to open and close the auxiliary top plate 131, and second locking means for fixing the main manhole cover 120 to the support frame 110. By the function of the main manhole cover 120 to minimize the possibility of departure from the manhole body 100.

The second locking means is composed of a latch lock device 160 that is locked and released by the rotation of the handle 133. 7 is a perspective view showing the latch lock device 160 and an exploded view of each configuration.

As shown in FIG. 7B, the latch lock device 160 includes a pinion 161 formed at a lower end of the handle 133 and a lock rod formed with a horizontal horizontal movement by the pinion 161. 163, a guide rail 165 attached to the square tube lattice 123 or the I-shaped steel 124 to guide the horizontal movement of the lock rod 163, and an end of the lock rod 163 to be inserted. It consists of a locking groove 114 provided in the support frame (110).

FIG. 8 is an explanatory diagram of an operation relationship in which the main manhole cover 120 is locked or released by the lock locking device 114 of the support frame 110 by the latch lock device 160. b) shows each state of revocation.

That is, when the handle 133 is rotated in a direction opposite to the direction in which the locking groove 114 is located, the pinion 161 formed at the lower end of the handle 133 rotates with the handle around the hinge hole and engages with the leg 162. The rear lock rod 163 is pushed into the locking groove 114 of the support frame 110 so that the main manhole cover 120 is fixedly locked to the support frame 110.

On the contrary, when the handle 133 is erected vertically or rotated in the direction of the locking groove 114, the pinion 161 locks the locking rod 163 by the lock 162 to the locking groove of the support frame 110. Departing from the 114, the main manhole cover 120 can be detached from the support frame 110.

As such, the pinion 161 formed on the handle 133 moves the lock rod 163 horizontally while engaging the rack 162. The main manhole for the lock rod 163 to be moved horizontally more smoothly. A guide rail 165 is installed on the I-shaped steel 124 or the square tube lattice 123 forming the edge of the lid 120.

The guide rail 165 has a U-shaped cross section so that the lock rod 163 can be inserted into the inner space and is vertically bonded to the I-shaped steel 124 or the square tube lattice frame 123, and the guide rail 165. Through hole is formed in the junction of the I-shaped steel 124 or the square tube lattice frame 123 so that the inner space of the communication in the longitudinal direction to the insertion groove of the support frame 110.

On the other hand, the locking rod 163 moving along the guide rail 165 may be separated from the guide rail 165 due to the imbalance of the acting force or external impact, the amount of the locking rod 163 to prevent this The guide rod 164 is further provided at the side portion, and the guide long hole 166 is further provided at both sides of the guide rail 165 corresponding thereto.

The guide rod 164 is inserted into the guide long hole 166 is moved along the guide long hole 166, the length of the guide long hole 166 may have a function of limiting the moving distance of the lock rod 163. .

An elastic pad 140 may be further attached to each top surface of the upper plate 121 of the main manhole cover 120 and the auxiliary upper plate 131 of the auxiliary manhole cover 130 and the handle protecting cap 135.

The elastic pad 140 is able to harmonize with the surrounding environment, in the case of a walkway installed on the ceiling, it is possible to protect the health of pedestrians by absorbing the shock with excellent elastic force, and to use a material of excellent synthetic rubber desirable.

The embossing 141 may be installed on the surface of the elastic pad 140 to prevent slippage due to rain. In addition, night identification means 142, such as a luminous lamp, may be further provided to further secure safety and convenience of a night passerby. It can be done.

In addition, the elastic pad 140 forms a through hole in the head portion of the fastening bolt 151 located at each corner of the main manhole cover 120 and the auxiliary manhole cover 130, and the elastic pad 140 By having a structure for inserting the fastening bolt protective cap 153 thinner than the thickness into the through hole, it is possible to protect the fastening bolt 151 and to prevent damage to the appearance due to the fastening bolt 151.

The manhole structure of the present invention described so far, harmonizes with the surrounding environment when the manhole cover is closed, ensures the safety and durability of the manhole by double locking of the manhole cover, and ensures safety for road users, as well as to the required range Facilitating opening and closing of the manhole cover facilitates access to sewage pipes without excessive traffic control, and facilitates maintenance of sewage pipes.

That is to say in detail with respect to the opening and closing method of the manhole cover, the main manhole cover 120 in the state in which the manhole is closed to the manhole body 100 by the fastening bolt device 150 and the latch lock device 160 located at each corner. It is double locked, and the auxiliary manhole cover 130 is also locked to the main manhole cover 120 by a fastening bolt 151 located at each corner.

However, in order to enter the equipment into the manhole in order to dredge the sediment, such as sediment piled up in the sewage pipe, because the main manhole cover 120 must be opened, the auxiliary manhole cover 130 is the main manhole cover 120 ) To be fixed and locked, the latch lock device 160 operated by the handle 133 installed in the auxiliary manhole cover 130 is to be terminated.

To this end, the handle 133 is rotated in the direction of the locking groove 114 of the support frame 110, and then release the fastening bolts 151 located at each corner of the main manhole cover 120, the main manhole cover 120 ) Is placed in a state separated from the manhole body 100, it is possible to easily remove the main manhole cover 120 using a crane or the like.

Next, when only the worker should enter the inside of the manhole in order to simply remove the dirt inside the sewage pipe, only loosen the fastening bolt 151 located at each corner of the auxiliary manhole, the main manhole cover 120 each corner In the state of being fixed to the manhole body 100 by the fastening bolt 151, only the auxiliary manhole cover 130 by lifting the handle 133 to open the open surface 125 provided in the main manhole cover 120 It becomes possible.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious that it will be possible to carry out various modifications thereof. It is therefore intended that such modifications are within the scope of the invention as set forth in the claims.

100: manhole body 101: foot step
110: support frame 111: side wall
112: seating surface 113: shear connector
114: locking groove 120: main manhole cover
121: top 122; Bottom plate
123: square tube grating 124: I-beam
125: open side 130: auxiliary manhole cover
131: auxiliary top plate 132: border side plate
133: handle 134: space
135: handle protection cap 140: elastic pad
141: embossing 142: night identification means
150: bolt fastening device 151: fastening bolt
152: nut 153: fastening bolt protective cap
160: latch lock 161: pinion
162: Reck 163: Locking rod
164: guide rod 165: guide rail
166: guideman

Claims (5)

A rectangular support frame 110 fixed to the upper portion of the concrete manhole body 100; A main manhole cover 120 seated on the support frame 110 to cover the manhole body 100; An auxiliary manhole cover 130 formed on one surface of the main manhole cover 120; It is made of an elastic pad 140 attached to the upper surface of the main manhole cover 120 and the auxiliary manhole cover 130 to absorb the shock and prevent slipping;
The main manhole cover 120 includes an upper plate 121 to which the elastic pad 140 is attached, a lower plate 122 directly facing the support frame 110, and an upper plate 121 and a lower plate 122. A square tube lattice frame 123 inserted into a lattice shape and an I-shaped steel 124 forming an edge of a manhole cover;
The auxiliary manhole cover 130, the auxiliary upper plate 131, the edge side plate 132 attached to the lower portion of the auxiliary upper plate 131, and the handle 133 is pin-mounted to be rotatable to the auxiliary upper plate 131. Consisting of;
The main manhole cover 120 is double-locked to the support frame 110 by a double locking means, the double locking means, the bolt fastening device 150 and the auxiliary manhole cover made of the edge of the main manhole cover 120 ( A latch lock device (160) operated by the handle (133) of the 130;
The latch lock device 160, the pinion 161 is formed on the lower end of the handle 133, the locking rod 163 is formed with a rake 162 to move horizontally by the pinion 161, square tube lattice A guide rail 165 attached to the frame 123 or the I-shaped steel 124 to guide the horizontal movement of the lock rod 163, and provided on the support frame 110 to insert an end of the lock rod 163. Square manhole for sewer pipes, characterized in that consisting of a locking groove 114
The auxiliary upper plate 131 of the auxiliary manhole cover 130 is provided with a space 134 recessed in a position symmetrical with each other, the handle 133 is installed in the space 134, Square manhole for sewer pipes, characterized in that the upper portion of the space 134, the handle protection cap 135 is further included.
The guide rod 164 is provided at both sides of the locking rod 163, the guide rod 166 is provided at both sides of the guide rail 165, the guide rod 164 The guide manhole 166 is inserted into the lock rod 163, the square manhole for sewer pipes, characterized in that moved along the guide hole (166).
The square manhole for sewer pipes of claim 1, wherein an embossing (141) is formed on the surface of the elastic pad (140).
The square manhole for sewer pipes according to claim 1, wherein a night identification means (142) is further formed on the surface of the elastic pad (140).

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