JP3225931B2 - Installation structure of underground burial equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an installation structure for installing an underground buried facility having a facility body and a storage container for housing the facility body in a handhole buried underground. It is.

[0002]

2. Description of the Related Art First, a manhole pump control panel, which is one of the underground burial facilities, will be described to simplify the underground burial facility, which is the object of the present invention, mainly by its own structure. Will be described. As shown in FIG. 9, the manhole pump control panel A ′ is for controlling the pump P for pumping up the sewage flowing through the sewer in the manhole M, and is initially installed on the ground. Alternatively, it was attached to a concrete pillar erected on the ground. However, when installed on the ground, the control panel A ′ itself is relatively large (width × depth × height is 700 mm).
mm x 500 mm x 1600 mm), which impairs the cityscape at the same time with walking and traffic obstacles.
In addition, there are various problems such as the fact that most of the land is occupied on private land, and it is often difficult to secure the land.

[0003] In order to solve most of the above-mentioned problems, an idea of burying a manhole pump control panel A 'underground has appeared, and the present applicant has realized this. Here, the general structure of the manhole M and various facilities attached thereto will be described. As shown in FIG. 9, the manhole M and the manhole pump control panel A ′ are buried in the roadway R _1, and each transaction related to manhole control is located at a predetermined height position of the steel pipe column 51 erected on the sidewalk R _2. An instrument storage box 52 for accommodating instruments is attached. Here, the manhole pump control panel A ′ is embedded in a handhole H ′ close to the manhole M. The first cable 1 for supplying power to the manhole pump control panel A 'is connected to the control panel main body B via a first connector storage box 2 attached to the inner wall surface (side wall portion 20 in FIG. 1) of the handhole H'. '
It is connected to various control devices K ′ (see FIG. 11) attached to (see FIG. 11). Then, the second cable 3 drawn from the control device K ′ is connected to a pump P, a water level gauge (not shown) and the like in the manhole M via a second connector storage box 4. Rainwater and the like enter and accumulate in the handhole H ′. However, hand hole H '
The water collected inside is drained by a drain pipe 53 connected to the bottom.
Through the manhole M. In FIG. 9, reference numeral 54 denotes a handhole cover.

As shown in FIG. 11, this underground buried manhole pump control panel A 'includes various control devices K'.
And a bell-shaped storage container C 'which covers the whole from above and has a plurality of connecting bolts B' and C 'at their lower ends. 55 are integrally connected. The whole manhole pump control panel A 'is installed in a handhole H' buried underground. Therefore, even when the water enters the handhole H ', the control panel A'
Control panel A 'with a force greater than the buoyancy acting on
Is connected and fixed to the handhole H ′, the air in the bell-shaped storage container C ′ is compressed, and only water enters the storage container C ′ by a height corresponding to the compressed amount of the air. ,
Water is prevented from entering the control panel body B 'to the portion where each control device K' is attached. With this structure, even if the manhole pump control panel A 'is buried underground using the handhole H', the waterproofness can be achieved. As one specific structure for this purpose, as shown in FIG. 11, a plurality (usually two) of floating prevention columns D are vertically fixed to the bottom surface of the handhole H ′, There is a type in which a levitation-preventing bracket 56 provided at the upper end of a storage container C 'of a manhole pump control panel A' is integrally connected with a connecting bolt 57.

[0005] The control panel body B 'will be described. FIG.
As shown in the figure, a disc-shaped support base 58 is provided below the control panel body B ', and various control devices K' are provided on both sides of a control device mounting plate 59 erected on the upper surface thereof. Is installed. Four arms 62 are fixed to the lower part of the arm 62 in a cross shape via a plurality of short columns 61.

The storage container C 'will be described. As shown in FIGS. 10 and 11, the storage container C 'is for covering the entire control panel body B' from above and storing the control panel body B '. It has a bell shape slightly larger than the outer diameter of the support base 58 constituting the board body B '. At the lower end of the storage container C ′, support legs 63 are integrally provided at a plurality of positions (four positions in this embodiment) along the circumferential direction, and between the adjacent support legs 63, First connected to each control device K '
And a cable accommodation space V ′ capable of accommodating the second cables 1 and 3. On the outside of each support leg 63,
The reinforcing member 63a is fixed. And the storage container C '
A pair of guides 64 are fixed vertically on the outer peripheral wall surface of the. When the manhole pump control panel A 'is installed in the handhole H', the pair of guide bodies 64 are guided by the levitation prevention columns D, so that the control panel A 'does not tilt during suspension. . A ring-shaped packing 60 is attached to the inner peripheral surface of the storage container C ′, and various kinds of control devices K ′ are brought into elastic contact with the support base 58.
Is separated from the outside (atmosphere such as methane gas).

The above manhole pump control panel A '
As shown in FIG. 7, it is suspended from the ground surface and installed in the handhole H ′. As described above, the control device K 'of the manhole pump control panel A' and the connector housing boxes 2 and 4 are connected by the first and second cables 1 and 3, respectively. Therefore, when the manhole pump control panel A ′ is hung and installed in the handhole H ′, if the control panel A ′ is hung as it is, each support leg 63 may hook the cables 1, 3. , And the trouble of stepping on it has occurred. In such a case,
Each cable 1 and 3 may be damaged. For this reason,
One worker operates a lifting trolley (not shown), and another worker operates each of the cables 1 and 3 with a rope or the like and works while being careful not to get caught on each support leg 63. It must be made. As a result, work efficiency is poor in addition to the need for two workers.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned problems, and has as its object to prevent interference between an underground facility and a cable when the facility is installed in a handhole.

[0009]

Means for Solving the Problems A first means adopted by the present invention to solve the above-mentioned problem is to provide an underground buried facility equipped with an equipment body and a storage container for housing the equipment body.
An installation structure for installing the anti-floating structure in a handhole using a plurality of anti-floating columns, wherein the connecting portion provided near the upper end of the storage container and the anti-floating column are connected. The underground buried facility is suspended from the levitation prevention column to form a cable accommodation space between the facility and the bottom wall of the handhole. Further, the second means is to use an underground buried facility provided with a facility main body and a storage container for storing the whole of the facility body by a hand hoe.
A structure for installation in Le, so as to form a cable receiving space between the underground facilities and the hand bottom wall portion of the hole, provided with a container support means for supporting at suspended state the container It is characterized by that.

[0010] In the first means, the underground buried facility is
It has a facility body and a storage container. When this underground facility is installed in a handhole, it is installed while being guided by a levitation prevention column erected around the facility. In the vicinity of the upper end of the storage container constituting the underground buried facility, a connection portion is provided which is in contact with the upper end of the opposing levitation prevention column, so that the underground burying facility is suspended from the levitation prevention column. Installed in Moreover, in this state, a cable housing space is formed between the underground buried facility and the handhole, so that the cables connected to the equipment main body constituting the facility are housed in the cable housing space. Therefore, there is no possibility that the equipment and the cable will interfere with each other. In the second means, the container constituting the underground facility in the so that the cable accommodating space is formed between the bottom wall portion of the underground facilities and the hand hole, the container support means Since the cable is supported in a suspended state, the cable connected to the equipment body is stored in the cable storage space, so that the cable and the underground buried equipment do not interfere with each other.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail by way of examples. FIG. 1 is a side view showing a state in which a manhole pump control panel A of the present invention is installed in a handhole H, FIG. 2 is a longitudinal sectional view of the manhole pump control panel A, and FIG.
Is a cross-sectional view taken along the line XX of FIG. 2 with a part cut away, FIG. 4 is a plan view of the manhole pump control panel A, and FIG. 5 is a cross-sectional view taken along the line YY of FIG. As shown in FIGS. 1 and 2, the manhole pump control panel A according to the present invention includes a control panel main body B and a storage container C. And
In a state where the control panel body B and the storage container C are united, the control panel body B is suspended and installed in the handhole H.

First, a description will be given of a part of the handhole H different from the conventional handhole H ′. FIG.
As shown in FIG. 4, the handhole H has a hollow cubic shape and includes a bottom wall portion 10, a side wall portion 20, and an upper wall portion 30. A plurality (three in this embodiment) of anti-floating columns D are erected on the bottom wall 10 on the same circumference. On the upper surface of the upper wall 30 of the handhole H,
An annular adjusting body 40 is provided. This annular adjusting body 40
Has a function of burying mortar between the lower surface and the upper surface of the upper wall portion 30 of the handhole H, if necessary, to make the upper surface the same as the road surface. The upper wall 30 of the handhole H and the annular adjusting body 40 are provided with an insertion port 30a for inserting the manhole pump control panel A.

In each of the anti-floating columns D, the angle θ between the adjacent anti-floating columns D is the same (120 °).
It is. These anti-floating columns D have a form in which a section steel 6 having a U-shaped cross section is erected on a column fixing plate 5 fixed to a bottom wall 10 of a hand hole H. The pressure receiving plate 7 is fixed to the upper ends thereof. A bolt insertion hole 7a is provided substantially at the center of the pressure receiving plate 7, and a hexagon nut 7b (see FIG. 5) is fixed to the back surface thereof. In each of the floating prevention columns D, the height J ₁ from the bottom wall portion 10 of the hand hole H to the upper surface of the pressure receiving plate 7 is slightly higher than the height J ₂ of the storage container C.

Next, the control panel body B will be described. As shown in FIG. 2, a disk-shaped support base 8 is provided horizontally at the lower end of the control panel main body B. At a substantially central portion of the upper surface of the support base 8, a plate-like control panel mounting plate 9 is provided upright, and various control devices K are mounted on both sides of the control panel mounting plate 9.
Is installed. As shown in FIG. 3, a top plate 11 for covering all control devices K in a plan view is integrally attached to the upper end of the control panel attachment plate 9. An elastic body 12 is attached to substantially the center of the upper surface of the top plate 11. The elastic body 12 is elastically contacted with the storage container C when the control panel body B and the storage container C are combined.

Next, the storage container C will be described. FIG.
As shown in FIG. 5, this storage container C is for covering the entire control panel main body B from above and storing the same, and the inner diameter thereof is
Has a bell-like shape slightly larger than the outer diameter of the support base 8 constituting the bell. And the height of this storage container C (J ₂ )
Is higher than the height of the control panel body B. The storage container C includes a curved top plate portion 13 and a cylindrical outer peripheral wall portion 14. On the upper surface of the top plate 13 of the storage container C, a lifting belt 15 for lifting the storage container C (see FIG. 7).
The lifting brackets 16 for inserting the
Individually fixed. The outer peripheral wall portion 14 of the storage container C
At the upper and lower ends, a pair of guide plates 17 for sandwiching the section steel 6 of the anti-floating column D from both sides is fixed along the vertical direction. These guide plates 17 are
It is provided in the same phase as the anti-floating pillar D. When the manhole pump control panel A is installed in the handhole H, it guides its insertion, and after the installation, the control panel A moves in the circumferential direction with respect to the center of the handhole H. It has the function of positioning so that it does not. At the lower end of the storage container C of the present embodiment, no projection (for example, the support leg 63 in the conventional storage container C ′) is provided.

In the storage container C, the top plate 1
A connecting plate for connecting the manhole pump control panel A and the levitation prevention column D is located at a connecting portion between the outer peripheral wall portion 14 and the same phase with each guide plate 17 along the circumferential direction. 18 are provided. The connecting plate 18 is fixed via a pedestal 19 having different heights of both legs so as to be fixed to a portion of the top plate 13 of the storage container C having the smallest curvature. At approximately the center of the connecting plate 18, a bolt insertion hole 18a for inserting the connecting bolt 21 is provided.

A plurality of (three in this embodiment) connecting bolts 22 are provided at the lower portion of the storage container C with bolt insertion holes 23 for inserting the connecting bolts 22. These connecting bolts 2
Reference numeral 2 denotes a bolt for combining the control panel body B and the storage container C. As shown in FIG. 4, these bolt insertion holes 23 are provided at positions out of phase with each other so as not to interfere with each of the floating prevention columns D. A bolt insertion hole 8a is provided in a portion of the support base 8 of the control panel body B corresponding to the bolt insertion hole 23, and a hexagon nut 8b is fixed thereto. As shown in FIG. 2, in a state where the control panel body B and the storage container C are combined, a space (a pressure holding section W) is formed below the control panel body B. The air existing in the pressure holding portion W is compressed, and water only enters the storage container C by a height corresponding to the compressed amount of the air. Water) is prevented from penetrating to the area where the water is supplied. Moreover, the ring-shaped packing 14 is provided on the inner peripheral surface of the outer peripheral wall portion 14 of the storage container C.
a is attached, and by elastic contact with the support 8, a portion where the control device K is attached is separated from the outside (atmosphere such as methane gas).

As shown in FIG. 1, the manhole pump control panel A is installed in the handhole H by mounting the connecting plate 18 on the upper surface of the pressure receiving plate 7 of each of the floating prevention columns D. . After the connecting plate 18 is placed on the upper surface of the pressure receiving plate 7, the connecting bolt 21 is inserted into the bolt insertion hole 18a. The connection plate 18 and the pressure receiving plate 7 are connected by screwing the connection bolt 21 to a hexagon nut 7b fixed to the pressure receiving plate 7. Thus, the manhole pump control panel A is installed in the handhole H. Manhole pump control panel A weighs about 150-20
It is 0 kg, and each anti-floating column D and connecting plate 18 are designed and manufactured so as to hold the entire weight of the control panel A. As described above, the connection of the manhole pump control panel A and the levitation prevention columns D prevents the control panel A from floating.

The manhole pump control panel A of this embodiment is
The operation in the case of installing in the hand hole H will be described. As shown in FIG.
And the storage container C are combined. The control panel main body B is mounted on a raising stand 24 having a predetermined height in advance, and is raised above the ground surface. The storage container C suspended just above the control panel body B is suspended as it is by means such as the lifting belt 15 and a lifting carriage (not shown). At this time, the various control devices K mounted on the control device mounting plate 9
It is desirable that the two B and C be integrated with their axes substantially aligned so as not to damage them. Then, the bolt insertion holes 23 in the storage container C and the bolt insertion holes 8a in the support 8 of the control panel body B are aligned. The connection bolt 22 is inserted into each of the bolt insertion holes 23 and 8a, and is screwed to each of the hexagon nuts 8b. Thus, the control panel body B and the storage container C are combined.

Subsequently, as shown in FIG. 7, the manhole pump control panel A, in which the control panel body B and the storage container C are combined, is lifted again, and is disposed immediately above the handhole H. The control panel A is suspended while the upper and lower guide plates 17 are guided by the corresponding floating prevention columns D. Since the manhole pump control panel A is suspended while being guided by the three levitation prevention columns D, the state where the axis CL and the center of the handhole H are substantially matched is maintained. Moreover, since the guide plate 17 sandwiches the section steel 6 constituting the anti-floating column D, the control panel A is prevented from swinging in the circumferential direction.

A connection plate 18 is provided on the top plate 13 of the storage container C so as to face each of the floating prevention columns D. Therefore, the connection plate 18 and the pressure receiving plate 7 fixed to the upper end surface of each of the floating prevention columns D come into contact with each other. In this state, since the height J ₁ of each of the floating prevention columns D is higher than the height J ₂ of the storage container C, the lower end of the control panel A and the bottom wall 1 of the handhole H
0, a cable housing space V (see FIG. 1) is formed over the entire periphery of the lower end of the control panel A. Control panel A
1st and 2nd cables 1 and 3 arranged below
Is not stepped on by the control panel A because it is accommodated in the cable accommodation space V. Control panel A
Since no protrusion is provided at the lower end of the cable, the cables 1 and 3 are not hooked. As a result, there is no possibility that the cables 1 and 3 are damaged. In addition, the work efficiency can be improved because one operator only has to suspend the control panel A casually without considering the positions where the cables 1 and 3 are present. Subsequently, the pressure receiving plate 7 and the connection plate 18 are connected by the connection bolt 21,
The manhole pump control panel A is fixed to the levitation prevention column D.

For repair and inspection of various control devices K,
When the manhole pump control panel A is lifted from the inside of the handhole H, an operation reverse to the above is performed.

The connecting plate 18 of the present embodiment is a flat plate as shown in FIG. However, as shown in FIG.
The connecting plate 25 may be bent in a crank shape. In the case of this embodiment, there is an effect that the manhole pump control panel A can be more firmly connected to the levitation prevention pillar D.

In this specification, a case has been described in which the number of the pillars D is three, and the number of the connecting plates 18 is three in correspondence with the number of the pillars D. However, the anti-floating column D
May be two or four or more. In the case where four or more levitation prevention columns D are provided, an effect that the installed manhole pump control panel A is more stable is exhibited.

In each of the above-described embodiments, the manhole pump control panel A has been described as an example of the underground buried facility, and the manhole pump control panel A has been described. The present invention can be applied to any equipment as long as it is an underground facility that includes a storage container that covers from above and stores therein.

[0026]

According to the installation structure of the underground buried facility according to the present invention, the connecting portion provided on the storage container constituting the facility is connected to the floating prevention column, and the underground buried installation is suspended from the floating prevention column. Thus, a cable accommodation space is formed between the facility and the handhole. Therefore, the following effects can be obtained. (1) When an underground facility is installed in a handhole, a cable connected to the facility is housed in the cable housing space. As a result, the cable is not trampled by the underground burial facility, and the cable is prevented from being damaged. (2) Since the underground facility and the floating prevention pillar are connected, the facility is prevented from floating.
(3) The worker only has to suspend the underground buried facility as it is, regardless of the cable arrangement position, so that the work efficiency is improved.

[Brief description of the drawings]

FIG. 1 is a side view of a state in which a manhole pump control panel A of the present invention is installed in a handhole H. FIG.

FIG. 2 is a longitudinal sectional view of a manhole pump control panel A.

FIG. 3 is a sectional view taken along line XX of FIG. 2 with a part cut away.

FIG. 4 is a plan view of a manhole pump control panel A.

FIG. 5 is a sectional view taken along line YY of FIG. 4 with a part cut away.

FIG. 6 is a longitudinal sectional view showing a state where the control panel body B and the storage container C are combined.

FIG. 7 is an operation explanatory view of a state in which a manhole pump control panel A is suspended and installed in a handhole H;

FIG. 8 is an enlarged view of a connection plate 25 in another embodiment.

FIG. 9 is a conceptual diagram of a conventional manhole pump control panel A ′ and manhole M installation.

FIG. 10 is a sectional view showing a state in which a conventional manhole pump control panel A ′ is installed in a handhole H buried underground.

FIG. 11 is a longitudinal sectional view of a conventional manhole pump control panel A ′.

[Explanation of symbols]

 A: Manhole pump control panel (underground burial equipment) B: Control panel body (equipment body) C: Storage container D: Floating prevention pillar H: Hand hole V: Cable housing space W: Pressure holding unit 7: Pressure receiving plate (connection unit) 10: Bottom wall 13: Top plate (upper end of storage container) 18, 25: Connection plate (connection portion)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-9-165816 (JP, A) Jiko 5-21586 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) F04D 29/60 E02D 29/00-29/16 E03F 5/22-5/26

Claims (5)

(57) [Claims] 1. An installation structure for installing an underground buried facility having an equipment body and a storage container for housing the equipment body in a handhole using a plurality of anti-floating columns with a floating-preventing structure. By connecting a connecting part provided near the upper end of the storage container and the anti-floating column, and installing the underground buried facility in a suspended state on the anti-floating column, the facility and the handhole An installation structure for underground burial equipment, characterized in that a cable accommodation space is formed between the cable and the bottom wall. 2. The installation structure of underground burial equipment according to claim 1, wherein the connecting portions are provided in correspondence with the number of floating prevention columns. 3. The installation of the underground burial facility according to claim 1, wherein the connecting portion is fixed to a top plate portion of the storage container at three locations along a circumferential direction thereof. Construction. 4. The installation structure of an underground burial facility according to claim 1, wherein a pressure holding portion for holding a pressure against inundation is provided in a lower portion of the underground burial facility. . 5. A structure in which an underground buried facility including a facility body and a storage container for entirely storing the facility body is installed in a handhole , wherein a space between the underground buried facility and a bottom wall of the handhole is provided. Hang the storage container to form a cable storage space
An installation structure for an underground burial facility, comprising: means for supporting in a state .