KR102665798B1 - Electric manhole water leak prevention facility in the complex - Google Patents

Abstract

The present invention provides an electric manhole water leak prevention facility in a complex. The electric manhole water leak prevention facility in the complex includes a manhole body that is buried in the ground, has an internal space, an opening is formed at the top, and a first through hole through which a cable passes is formed on both sides; a lid coupled to the opening and sealing the internal space; Parts are inserted and combined into both sides of the manhole body where the first through hole is formed, a filling space is formed on the inner side, a second through hole is aligned in position with the first through hole, and through which the cable passes. A pair of sealing portions formed by: A pair of inlet cylinders installed on both sides of the manhole body and forcing the pair of sealing parts into close contact with both sides of the manhole body; a waterproofing material filling part installed in the manhole body and supplying and filling the filling space of the pair of sealing parts with a gel-like waterproofing material; a pressure sensor that measures pressure due to filling of the waterproof material in the filling space; and a control unit that controls the operation of the pair of inlet cylinders and controls the operation of the waterproof material filling unit so that the measured pressure reaches a preset standard filling pressure.

Description

Electric manhole water leak prevention facility in the complex}

The present invention relates to an electric manhole water leak prevention facility in a complex, and more specifically, a space is formed inside the outer periphery of both sides of the manhole body through which the cable passes, and a pair of sealing parts that can be automatically joined is provided, and the sealing parts In addition to guiding the cable in and out of the manhole body, the internal space of the seal is filled with waterproofing material, and the filling pressure is monitored in real time to maintain a constant level to prevent waterproofing performance from deformation or leakage of the waterproofing material. This is about electric manhole water leak prevention facilities in the complex that can effectively prevent falling.

In order to protect and manage various cables that are usually installed underground within the complex, manholes (e.g., telecommunication manholes, sewer manholes, etc.) are installed at the branching points and connection points of the cables to facilitate branching or connection of lines. A lid that can be opened and closed is placed on the top to prevent damage to the track during the thawing season and to allow repair work to be carried out.

The work to install various cables underground like this is done by pouring concrete into the form, constructing a manhole, and then installing various cables into it.

Looking at the construction of the conventionally installed manhole, first, dig the soil to an appropriate depth at the location where the manhole is to be installed on the cable line, make a form according to the standard, then pour concrete into the form and harden it for an appropriate time, and then pour the concrete into the form. The work is being completed by removing the gravel, backfilling the area around the manhole formed by pouring concrete, and connecting the cable within the manhole.

As shown in FIG. 1, wiring holes 2a through which the cable 3 passes are formed in both walls 2 of the conventional manhole 1, and the cable 3 passes through the wiring hole 2a into the manhole 1. When inserted inside, it is connected with a connector (4), etc.

However, according to the manhole according to the prior art, underground water flows in through the wiring hole (2a) of the manhole (1) and the cable (3) is submerged in water inside the manhole (1), causing an electric short circuit or electric shock. There is a problem.

In particular, the cable is passed through a hole formed in a manhole, and this hole is exposed to the underground soil, so there is a problem that moisture contained in the underground soil penetrates into the interior of the manhole, causing water leakage.

In addition, when a connector for connecting a cable to a hole is provided, the connector itself may be partially damaged and leakage may occur as the temperature and humidity of the ground change depending on the season.

Republic of Korea Patent No. 10-0579003 (registration date: May 4, 2006)

The present invention was devised to solve the above-mentioned problems, and the purposes of the present invention are as follows.

The present invention has a space formed inside the outer periphery of both sides of the manhole body through which the cable passes, and is provided with a pair of sealing parts that can be automatically joined, and guides the cable in and out of the manhole body through this sealing part. , The internal space of the sealed part is filled with a gel-like waterproofing material, but the filling pressure is monitored in real time to maintain a constant level, effectively preventing a decrease in waterproofing performance due to deformation or leakage of the waterproofing material. Electric manhole leakage in the complex. The purpose is to provide prevention facilities.

In addition, the present invention covers the cable exposed inside the manhole body to prevent the cable from being exposed to water due to water leakage, and also controls the cable to be exposed inside the manhole body during maintenance, so that water leakage occurs during periods other than maintenance. The purpose is to provide electric manhole water leak prevention facilities within the complex that can be used freely.

The objects of the present invention are not limited to the objects mentioned above, and other objects and advantages of the present invention that are not mentioned can be understood by the following description and will be more clearly understood by the examples of the present invention. Additionally, it will be readily apparent that the objects and advantages of the present invention can be realized by the means and combinations thereof indicated in the patent claims.

In order to achieve the above objectives, the present invention provides an electric manhole water leak prevention facility within the complex.

The electric manhole water leak prevention facility in the complex includes a manhole body that is buried in the ground, has an internal space, an opening is formed at the top, and a first through hole through which a cable passes is formed on both sides; a lid coupled to the opening and sealing the internal space; Parts are inserted and combined into both sides of the manhole body where the first through hole is formed, a filling space is formed on the inner side, a second through hole is aligned in position with the first through hole, and through which the cable passes. A pair of sealing portions formed by: A pair of inlet cylinders installed on both sides of the manhole body and forcing the pair of sealing parts into close contact with both sides of the manhole body; a waterproofing material filling part installed in the manhole body and supplying and filling the filling space of the pair of sealing parts with a gel-like waterproofing material; a pressure sensor that measures pressure due to filling of the waterproof material in the filling space; and a control unit that controls the operation of the pair of inlet cylinders and controls the operation of the waterproof material filling unit so that the measured pressure reaches a preset standard filling pressure.

Here, the waterproofing material is an inorganic gel,

The waterproof material filling part is,

A waterproofing material supplier provided in the manhole body and supplying a certain amount of gel-like waterproofing material;

a supply pipe connected to the waterproof material supply unit and the filling space of the sealing unit;

a supply pump installed on the supply pipe and supplying the waterproof material to the filling space under the control of the control unit;

a recovery pipe connected to the waterproof material supply unit and the filling space of the sealing unit;

a recovery pump installed on the recovery pipe and recovering the waterproof material filled in the filling space to the waterproof material supplier under the control of the control unit;

It is preferable to include a filter member installed on the recovery pipe to filter out foreign substances contained in the recovered waterproof material.

And, on both sides of the manhole body,

Fitting grooves in which the first through holes are formed are formed, respectively,

The pair of sealing parts,

It is inserted into each of the above fitting grooves and combined,

Each of the fitting grooves and each of the pair of sealing portions are coupled to each other through step coupling,

The pair of hydraulic cylinders has a hydraulic shaft that expands and contracts under control of the control unit,

The pair of hydraulic cylinders are fixed to both sides of the manhole body,

The hydraulic shaft of each of the pair of hydraulic cylinders is,

Coupled to each of the pair of sealing parts,

It is preferable that a moisture absorption layer that absorbs moisture is formed at a certain thickness on the inner periphery of the fitting groove.

In addition, on the inner periphery of the manhole body,

An elastic fixing member is connected to the first through hole and has a hollow structure through which the cable passes,

The elastic fixing member is,

A contact plate installed to elastically adhere to the inner wall of the manhole body through screw members and having a first hollow,

It is elastic, protrudes at a certain length from one side of the contact plate, and includes a contact pipe in which a second hollow connected to the first hollow is formed,

Preferably, the first hollow and the second hollow form the hollow, and the cable is elastically adhered to the inner periphery of the hollow.

In particular, fixing protrusions protrude around one side of the sealing portion, and fixing grooves into which the fixing protrusions are inserted are formed on the inner wall of the fitting groove.

Additionally, an auxiliary water leakage waterproofing portion is disposed inside the manhole body portion.

The auxiliary water leak prevention unit is installed to cover each cable located inside the manhole body.

The auxiliary water leak prevention unit includes a central pipe and a pair of side pipes screwed to both ends of the central pipe.

A cable is located inside the auxiliary water leak prevention unit.

A corrugated pipe is formed in the center of the central pipe.

When the pair of side pipes are rotated along the direction in which the screw connection is performed at both ends of the central pipe, the entire length of the auxiliary water leak prevention portion is reduced, and when the pair of side pipes are rotated along the direction in which the screw connection is released, the entire length of the auxiliary water leak prevention section is reduced. It can increase.

Here, a pair of pipe fixing grooves into which the ends of the pair of side pipes are inserted are formed on the inner wall of the manhole body.

A moisture sensor that measures moisture is installed inside the central pipe or inside the pair of side pipes. The moisture sensor transmits the measured moisture to the control unit.

The pair of side pipes or the central pipe are connected to a moisture discharge line.

A moisture discharge pump is installed on the moisture discharge line. One end of the moisture discharge line is connected to the inside of the pair of side pipes or the central pipe, and the other end of the moisture discharge line is exposed to the outside of the ground.

In addition, the central pipe and the pair of side pipes are each configured as a pair so that they can be coupled to and released from each other along the longitudinal direction.

Here, a separate moisture absorption layer is formed on the inner periphery of the central pipe and the inner periphery of the pair of side pipes.

Additionally, the floor of the inner space of the manhole body portion is formed as a concave curved surface along the center of the floor on the inner wall of the inner space.

At the center of the floor, one end of a water discharge pipe is connected, the other end of the water discharge pipe is exposed to the outside of the ground, and a water discharge pump is installed on the water discharge pipe. When a water leak occurs on the floor and moisture is generated, the control unit uses the moisture discharge pump to discharge the moisture generated on the floor to the outside through the moisture discharge pipe.

A moisture detection sensor is installed on the floor to detect the moisture and transmit a moisture generation signal to the control unit.

Through the above tasks, the present invention can achieve the following effects.

The present invention has a space formed inside the outer periphery of both sides of the manhole body through which the cable passes, and is provided with a pair of sealing parts that can be automatically joined, and guides the cable in and out of the manhole body through this sealing part. , the internal space of the sealed portion is filled with a gel-like waterproofing material, but the filling pressure is monitored in real time to maintain a constant level, effectively preventing a decrease in waterproofing performance due to deformation or leakage of the waterproofing material.

In addition, the present invention covers the cable exposed inside the manhole body to prevent the cable from being exposed to water due to water leakage, and also controls the cable to be exposed inside the manhole body during maintenance, so that water leakage occurs during periods other than maintenance. It has the effect of being free from.

In addition to the above-described effects, specific effects of the present invention are described below while explaining specific details for carrying out the invention.

Figure 1 is a diagram showing the configuration of an electric manhole water leak prevention facility in a complex according to the present invention.
Figure 2 is a view showing a state in which a pair of sealing parts are inserted into close contact with the fitting groove.
Figure 3 is a diagram showing an example of a moisture absorption layer being formed on the inner periphery of a fitting groove according to the present invention.
Figure 4 is a diagram showing an example in which an elastic fixing member is installed in the manhole body according to the present invention.
Figure 5 is a diagram showing an example in which an auxiliary water leak prevention unit is disposed inside the manhole body.
Figure 6 is a view showing a state in which the auxiliary water leak prevention part is fixed inside the manhole body.
Figure 7 is a diagram showing a state in which a pair of side pipes of the auxiliary water leak prevention unit are reduced in length along the direction facing each other and can be removed from the inside of the manhole body.
Figure 8 is a cross-sectional view taken along AA in Figure 8.
Figure 9 is a diagram showing an example including a configuration for discharging water from the bottom of the manhole main body according to the present invention.

The above-described objects, features, and advantages will be described in detail later with reference to the attached drawings, so that those skilled in the art will be able to easily implement the technical idea of the present invention. In describing the present invention, if it is determined that a detailed description of known technologies related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings. In the drawings, identical reference numerals are used to indicate identical or similar components.

Although first, second, etc. are used to describe various components, these components are of course not limited by these terms. These terms are only used to distinguish one component from another component, and unless specifically stated to the contrary, the first component may also be a second component.

Hereinafter, the “top (or bottom)” of a component or the arrangement of any component on the “top (or bottom)” of a component means that any component is placed in contact with the top (or bottom) of the component. Additionally, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

Additionally, when a component is described as being “connected,” “coupled,” or “connected” to another component, the components may be directly connected or connected to each other, but the other component is “interposed” between each component. It should be understood that “or, each component may be “connected,” “combined,” or “connected” through other components.

Throughout the specification, unless otherwise stated, each element may be singular or plural.

As used herein, singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, terms such as “consists of” or “comprises” should not be construed as necessarily including all of the various components or steps described in the specification, and some of the components or steps may include It may not be included, or it should be interpreted as including additional components or steps.

Hereinafter, the electric manhole water leak prevention facility in the complex according to the present invention will be described with reference to the attached drawings.

Figure 1 is a diagram showing the configuration of an electric manhole water leak prevention facility in a complex according to the present invention. Figure 2 is a view showing a state in which a pair of sealing parts are inserted into close contact with the fitting groove.

Figure 1 shows a state in which a pair of sealing parts are opened on both sides of the manhole body.

Referring to Figures 1 and 2, the electric manhole water leak prevention facility in the complex of the present invention is buried in the ground, an internal space is formed, an opening is formed at the top, and a first cable 10 is passed through both sides. A manhole body portion 100 in which a through hole 110 is formed, a lid portion 200 coupled to the opening to seal the internal space, and the manhole body portion in which the first through hole 110 is formed. Parts are inserted and coupled to both sides of (100), a filling space is formed on the inner side, a second through hole (310) is aligned in position with the first through hole (110), and through which the cable (10) passes. ) is formed on both sides of the manhole body 100 and a pair of sealing parts 300, and the pair of seals 300 are forced on both sides of the manhole body 100. A pair of inlet cylinders 400 that are in close contact with each other, and a waterproof material filling unit ( 500), a pressure sensor 600 that measures the pressure due to filling of the waterproof material in the filling space, and a standard for controlling the operation of the pair of inflow cylinders 400, and the measured pressure is preset. It includes a control unit 700 that controls the operation of the waterproof material filling unit 500 to reach the filling pressure.

Here, the waterproof material is an inorganic gel.

In order to prevent groundwater from flowing in through the wiring hole of the manhole, seals are installed on both sides of the manhole body, and waterproofing material is filled between them. The waterproof material is made of an inorganic gel that can effectively prevent groundwater infiltration.

To prevent the cable from touching and damaging the inner wall of the manhole, allow the cable to pass through the seal. Additionally, the sealing portion serves to secure the cable and prevent the cable from being disconnected.

You can repair or maintain the cable by separating the lid and seal. Additionally, the waterproof material makes it easy to check the filling condition, allowing you to check for water leaks.

In addition, the waterproof material filling part 500 is provided in the manhole body 100, and includes a waterproof material supplier 510 that supplies a certain amount of gel-like waterproof material, the waterproof material supplier 510, and the sealing part. A supply pipe 520 connected to the filling space of 300, and a supply pump 530 installed on the supply pipe 520 and supplying the waterproof material to the filling space under the control of the control unit 700. , a recovery pipe 540 connected to the waterproof material supplier 510 and the filling space of the sealing unit 300, and installed on the recovery pipe 540, and the filling is controlled by the control unit 700. A recovery pump 550 that recovers the waterproof material filled in the space to the waterproof material supplier 510, and a filter member 560 installed on the recovery pipe 540 and filtering out foreign substances included in the recovered waterproof material. ) is composed of.

In addition, fitting grooves 120 in which the first through hole 110 is formed are formed on both sides of the manhole body 100, respectively.

The pair of sealing parts 300 are fitted and coupled to each of the fitting grooves 120.

Each of the fitting grooves 120 and the pair of sealing portions 300 may be coupled to each other through step coupling.

The pair of hydraulic cylinders 400 has a hydraulic shaft 410 that expands and contracts under the control of the control unit 700.

The pair of hydraulic cylinders 400 are fixed to both sides of the manhole body 100.

The hydraulic shaft 410 of each of the pair of hydraulic cylinders 400 is coupled to each of the pair of sealing parts 300.

Figure 3 is a diagram showing an example of a moisture absorption layer being formed on the inner periphery of a fitting groove according to the present invention.

Referring to Figure 3, on the inner periphery of the fitting groove 120, a moisture absorption layer 121 is formed to a certain thickness and absorbs moisture. Additionally, another moisture absorption layer may be further formed on the inner periphery of the groove shape forming the filling space.

Through this, the waterproof material can be supplied through the waterproof material supplier 510 and the supply pipe 520, and the waterproof material can be recovered through the recovery pipe 540 and the recovery pump 550. Therefore, filling and recovery of the waterproofing material is easy.

Foreign substances contained in the recovered waterproof material can be filtered through the filter member 560. Therefore, leakage of the waterproof material can be prevented.

A certain amount of waterproofing material can be supplied through the waterproofing material supply device 510. Therefore, the quality of the waterproof material can be maintained.

When the moisture absorption layer 130 is formed on the inner periphery of the fitting groove 120, the following effects can be obtained.

The moisture absorption layer 130 can maintain pressure by absorbing the waterproof material. Therefore, the pressure of the waterproofing material is maintained constant, thereby effectively preventing groundwater inflow.

The moisture absorption layer 130 can control the moisture of the waterproof material to extend the life of the waterproof material.

The moisture absorption layer 130 can filter out foreign substances in the waterproof material and recycle the waterproof material.

Therefore, when the moisture absorption layer 130 is formed on the inner periphery of the waterproofing material filling portion 500 and the fitting groove 120 according to the present invention, the effect of improving the waterproofing effect and maintaining the quality and lifespan of the waterproofing material is obtained. You can.

Figure 4 is a diagram showing an example in which an elastic fixing member is installed on the manhole body according to the present invention.

Referring to FIG. 4, an elastic fixing member 150 is installed on the inner periphery of the manhole body 100 and is connected to the first through hole 110 to form a hollow through which the cable 10 passes.

The elastic fixing member 150 is installed to elastically adhere to the inner wall of the manhole body 100 through screw members B, and is elastic with the contact plate 151 having a first hollow, It protrudes at a certain length from one side of the contact plate 151 and includes a contact pipe 152 in which a second hollow connected to the first hollow is formed.

The first hollow and the second hollow form the hollow, and the cable 10 is elastically adhered to the inner periphery of the hollow.

In addition, fixing protrusions 320 protrude around one side of the sealing portion 300, and fixing grooves 130 into which the fixing protrusions 320 are inserted and fixed are formed on the inner wall of the fitting groove 120. .

The elastic fixing member 150 shown in FIG. 4 can achieve the following effects.

The cable can be elastically adhered to the inner circumference of the adhesion pipe 152 to prevent disconnection.

The cable may be fixed by the elastic fixing member 150 to prevent it from moving.

The elastic fixing member 150 can be separated through the screw members B, making it easy to repair or maintain the cable.

In addition, the following effects can be obtained through the sealing portion 300 in which the fixing protrusions 320 protrude and the fitting groove 120 in which the fixing grooves 130 are formed.

The fixing protrusions 320 are inserted into the fixing grooves 130 to stably couple the sealing portion, thereby effectively preventing the inflow of groundwater.

The sealing portion 300 can be separated from the fitting groove 120 through the fixing protrusions 320, making repair and maintenance easy.

Therefore, the elastic fixing member 150 and the sealing portion 300 with the fixing protrusions 320 protruding according to the present invention can improve the safety of the cable and facilitate repair and maintenance.

Figure 5 is a diagram showing an example in which an auxiliary water leak prevention part is disposed inside the manhole body. Figure 6 is a view showing a state in which the auxiliary water leak prevention part is fixed inside the manhole body. Figure 7 is a diagram showing a state in which a pair of side pipes of the auxiliary water leak prevention unit are reduced in length along the direction facing each other and can be removed from the inside of the manhole body. Figure 8 is a cross-sectional view taken along A-A in Figure 8.

Referring to FIGS. 5 to 8, an auxiliary water leakage waterproofing unit 800 is disposed inside the manhole body 100.

The auxiliary water leak prevention unit 800 is installed to cover each of the cables 10 located inside the manhole body 100.

The auxiliary water leak prevention unit 800 includes a central pipe 810 and a pair of side pipes 820 screwed to both ends of the central pipe 810.

A cable 10 is located inside the auxiliary water leak prevention unit 800.

A corrugated pipe 811 is formed in the center of the central pipe 810.

When the pair of side pipes 820 are rotated along the direction in which the screw connection is performed at both ends of the central pipe 810, the entire length of the auxiliary water leak prevention portion 800ㅍ is reduced, and when rotated along the direction in which the screw connection is released, the pair of side pipes 820 are rotated along the direction in which the screw connection is released. The overall length of the auxiliary water leak prevention unit 800 may be increased.

Here, a pair of pipe fixing grooves 160 into which the ends of the pair of side pipes 820 are inserted are formed on the inner wall of the manhole body 100.

A moisture sensor 830 that measures moisture is installed inside the central pipe 810 or the pair of side pipes 820. The moisture sensor 830 transmits the measured moisture to the control unit 700.

The pair of side pipes 820 or the central pipe 820 are connected to a moisture discharge line 840.

A moisture discharge pump 850 is installed on the moisture discharge line 840. One end of the moisture discharge line 840 is connected to the inside of the pair of side pipes 820 or the central pipe 810, and the other end of the moisture discharge line 840 is exposed to the outside of the ground.

In addition, the central pipe 810 and the pair of side pipes 820 each consist of a pair of unit pipes 821 that can be coupled and disengaged from each other along the longitudinal direction.

Here, a separate moisture absorption layer (not shown) is formed on the inner circumference of the central pipe 810 and the inner circumference of the pair of side pipes 820.

Figure 9 is a diagram showing an example including a configuration for discharging water from the bottom of the manhole main body according to the present invention.

Referring to FIG. 9, the floor of the inner space of the manhole body 100 is formed as a concave curved surface along the center of the floor from the inner wall of the inner space.

At the center of the floor, one end of the water discharge pipe 190 is connected, the other end of the water discharge pipe 190 is exposed to the outside of the ground, and a water discharge pump 191 is installed on the water discharge pipe 190. When a water leak occurs on the floor and moisture is generated, the control unit 700 uses the moisture discharge pump 191 to discharge the moisture generated on the floor to the outside through the moisture discharge pipe 190.

A moisture detection sensor 710 is installed on the floor, which detects the moisture and transmits a moisture generation signal to the control unit 700.

The auxiliary water leak prevention unit 800 shown in FIGS. 5 to 8 can achieve the following effects.

The cable can be prevented from being disconnected by being located inside the auxiliary water leak prevention unit 800.

The cable can be fixed and prevented from moving by the auxiliary water leak prevention unit 800.

The auxiliary water leak prevention unit 800 can be separated through screw connection, making it easy to repair or maintain the cable.

Water leakage can be detected through the moisture sensor 830, and the water leakage can be discharged through the moisture discharge line 840.

Therefore, the auxiliary water leak prevention unit 800 according to the present invention can improve the safety of the cable, facilitate repair and maintenance, and detect and discharge water leaks.

The configuration for discharging water from the bottom of the manhole body 100 shown in FIG. 9 can achieve the following effects.

If a water leak occurs on the floor, the water generated on the floor can be discharged to the outside using the water discharge pump 191.

Water leakage can be detected through the moisture detection sensor 710 and discharged through the moisture discharge line 190, making repair and maintenance easy.

Therefore, the configuration for discharging water from the bottom of the manhole body 100 according to the present invention can achieve the effect of effectively discharging water leaks and facilitating repair and maintenance.

In particular, the conventional manhole had a problem in that water leakage may occur due to groundwater inflow through the wiring hole 2a of the manhole body 100. In order to solve this problem, the present invention adopts a method of protecting the cable 10 by installing an auxiliary water leak prevention unit 800 inside the manhole body 100.

The auxiliary water leak prevention unit 800 is composed of a central pipe 810 and a pair of side pipes 820, and the cable 10 is located inside the central pipe 810. A pair of side pipes 820 are screw-coupled to both ends of the central pipe 810, so that the cable 10 can be firmly fixed inside the central pipe 810. Additionally, a moisture absorption layer (not shown) is formed on the inner periphery of the auxiliary water leak prevention unit 800, thereby effectively preventing the inflow of groundwater.

In addition, the cable 10 is firmly fixed by the auxiliary water leak prevention unit 800, thereby preventing disconnection or damage to the cable due to groundwater inflow.

Additionally, a moisture absorption layer (not shown) is formed on the inner periphery of the central pipe 810, thereby effectively preventing the inflow of groundwater.

In addition, the auxiliary water leak prevention unit 800 can be separated through screw connection, making it easy to repair or maintain the cable.

As described above, the present invention has been described with reference to the illustrative drawings, but the present invention is not limited to the embodiments and drawings disclosed herein, and various modifications may be made by those skilled in the art within the scope of the technical idea of the present invention. It is obvious that transformation can occur. In addition, although the operational effects according to the configuration of the present invention were not explicitly described and explained while explaining the embodiments of the present invention above, it is natural that the predictable effects due to the configuration should also be recognized.

100: Manhole body
200: Lid part
300: sealed part
400: hydraulic cylinder
410:axis
500: Waterproof material filling part
600: pressure sensor
700: Control unit

Claims (4)

A manhole body portion that is buried in the ground, has an internal space, an opening is formed at the top, and a first through hole through which a cable passes is formed on both sides;
a lid coupled to the opening and sealing the internal space;
Parts are inserted and combined into both sides of the manhole body where the first through hole is formed, a filling space is formed on the inner side, a second through hole is aligned in position with the first through hole, and through which the cable passes. A pair of sealing portions formed by:
A pair of inflow cylinders installed on both sides of the manhole body and forcing the pair of sealing parts into close contact with both sides of the manhole body;
a waterproofing material filling part installed in the manhole body and supplying and filling the filling space of the pair of sealing parts with a gel-like waterproofing material;
a pressure sensor that measures pressure due to filling of the waterproof material in the filling space; and,
An electric manhole water leak prevention facility in a complex, characterized in that it includes a control unit that controls the operation of the pair of inlet cylinders and controls the operation of the waterproof material filling unit so that the measured pressure reaches a preset standard filling pressure. .
According to clause 1,
The waterproofing material is an inorganic gel,
The waterproof material filling part is,
A waterproofing material supplier provided in the manhole body and supplying a certain amount of gel-like waterproofing material;
a supply pipe connected to the waterproof material supply unit and the filling space of the sealing unit;
a supply pump installed on the supply pipe and supplying the waterproof material to the filling space under the control of the control unit;
a recovery pipe connected to the waterproof material supply unit and the filling space of the sealing unit;
a recovery pump installed on the recovery pipe and recovering the waterproof material filled in the filling space to the waterproof material supplier under the control of the control unit;
An electric manhole water leak prevention facility in a complex, which is installed on the recovery pipe and has a filter member that filters foreign substances contained in the recovered waterproof material.
According to clause 2,
On both sides of the manhole body,
Fitting grooves in which the first through holes are formed are formed, respectively,
The pair of sealing parts,
It is inserted into each of the above fitting grooves and combined,
Each of the fitting grooves and each of the pair of sealing portions are coupled to each other through step coupling,
The pair of hydraulic cylinders has a hydraulic shaft that expands and contracts under control of the control unit,
The pair of hydraulic cylinders are fixed to both sides of the manhole body,
The hydraulic shaft of each of the pair of hydraulic cylinders is,
Coupled to each of the pair of sealing parts,
An electric manhole water leak prevention facility in a complex, characterized in that a moisture absorption layer that absorbs moisture is formed on the inner periphery of the fitting groove to a certain thickness.
According to clause 3,
On the inner periphery of the manhole body,
An elastic fixing member is connected to the first through hole and has a hollow structure through which the cable passes,
The elastic fixing member is,
A contact plate installed to elastically adhere to the inner wall of the manhole body through screw members and having a first hollow,
It is elastic, protrudes at a certain length from one side of the contact plate, and includes a contact pipe in which a second hollow connected to the first hollow is formed,
The first hollow and the second hollow form the hollow,
The cable is an electric manhole water leak prevention facility in a complex, characterized in that it is elastically adhered to the inner periphery of the hollow.