JP2598206Y2 - Tube and cable storage material - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention is mainly concerned with pipes buried in the ground (electric pipes, fluid pipes such as plumbing pipes and gas pipes, protective pipes for protecting the fluid pipes, etc.) or cables. The present invention relates to a tube / cable storage material provided with a storage path for storing piping / wiring of a power cable, a communication cable, and the like.

[0002]

2. Description of the Related Art Conventionally, as a storage material for pipes or cables buried and laid underground, as shown in FIG.
As shown in FIG. 21, a plurality of pipes 52 constituting a storage path 53 for storing pipes or cables therein are concretely embedded in the outer pipe 51, and as shown in FIG.
A storage material 60 having a plurality of through holes 62 forming a storage path 63 for storing a pipe or a cable is used.

[0003] The storage paths 53,
In order to lay a pipe or a cable in 63, first, a laying tool made of a rope having rigidity is inserted into the pipe 52 or the through hole 62 from one end side of the storage materials 50 and 60, The tip of the cloth fitting is sent out to the other ends of the storage members 50 and 60, and a pipe or a cable is connected to the tip of the cloth fitting and the cloth fitting is pulled back to one end of the storage members 50 and 60 for storage. Lumber 5
Pipes or cables are drawn into the storage paths 53, 63 of 0, 60 and laid.

However, these conventional storage materials 50,
60, the storage path 5 for one tubular body 52 or the through hole 62
When pipes or cables have already been laid in the storage paths 53, 63, new pipes or cables are stored in the storage paths 53, 63.
When the installation tool is fed into the tubular body 52 or the through hole 63, the already installed pipe or cable becomes an obstacle, and the installation tool cannot be easily fed. The problem had arisen.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of such problems of the prior art, and has as its object to mainly provide a pipe buried underground and laid. Alternatively, when laying a cable in a storage material storage path, laying a rigid rope in the storage path without being obstructed by existing pipes or cables in the storage path. It is an object of the present invention to provide a tube or cable storage material which can easily feed the tool and can efficiently perform the work of laying the tube or cable.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a pipe having a plurality of pipes embedded therein for forming a storage path for storing pipes and cables.・
In the cable storage material, at least one of the pipes has a hollow guideway for moving a laying tool for laying a pipe or a cable in its own storage path in the longitudinal direction of the storage path. The guideway has a slit facing the storage
Tube Ke characterized that you become continuously provided in the direction
-Bull storage material " as its gist.

According to a second aspect of the present invention, there is provided a pipe / cable storage material having a plurality of through holes forming a storage path for storing a pipe / cable. However, a hollow guideway for moving a laying tool for laying a pipe / cable in its own storage path is provided continuously in the longitudinal direction of the storage path, and the guide path includes a storage path. Facing slit
Are provided continuously in the longitudinal direction.
"Pipe and cable storage material" .

[0008]

According to the pipe / cable storing material constructed as in the first aspect, a pipe or a cable is already laid in the storing path of one pipe buried in the storing material. Even if it is, the installation tool can be moved along the guide path provided continuously in the longitudinal direction of the storage path of the pipe without being hindered by these, so that a new pipe or The cable can be easily laid in the storage passage of one tube.

Further, in the pipe / cable storage material constructed as in the second aspect, as in the first aspect, the inside of the storage passage of one through hole formed in the storage material is provided. Already a pipe or case
Even when the bull is laid, the laying tool can be moved along the guide path continuously provided in the longitudinal direction of the storage path of the through-hole without being hindered by these. A new tube or cable can be easily laid in the storage passage of one through hole.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention;

FIGS. 1 and 2 show a tube / cage according to the first aspect.
1 shows an embodiment of a bull storage material. This storage material 1 is formed by concretely embedding a plurality of hard synthetic resin hollow tubes in an outer tube 11 made of metal. The pipe constitutes a storage path for storing a pipe or a cable buried and buried underground. One tubular body 12 of the storage material 1 has a hollow shutter 14 formed above the storage path 13 as a guide path for guiding a laying tool, which will be described later, and formed continuously in the longitudinal direction of the storage path 13. The shutter 14 is provided with a slit 15 facing the storage path 13 continuously in the longitudinal direction, and the storage path 13 and the inside of the shutter 14 communicate with each other through the slit 15. It is formed so that. The shutter 14 is used to guide a movement of the cloth fitting along the storage path 13 through a cloth fitting, which will be described later, used for laying a pipe or a cable in the storage path 13. Things.

In this embodiment, the outer tube 1 of the storage material 1 is used.
1 is formed in a circular cross section, the lower surface of the outer tube 11 is formed in a flat shape so that the shutter 14 is always disposed above the storage path 13 with the storage material 1 installed. It may be formed as a configuration having a mounting surface,
The outer tube 11 may be formed in an elliptical shape, a polygonal shape, or another shape. The outer tube 11 is not limited to metal, but may be formed of a hard synthetic resin. The material of the outer tube 11 is not particularly limited as long as the outer tube 11 has a strength that can withstand the underground burial pressure.

The tubular body 12 of the storage material 1 is formed in a circular cross section, but is not limited to this, and may be formed in an elliptical shape, a polygonal shape, or another shape. The tube 12 is not limited to a synthetic resin, but may be a metal.

The shutter 14 may be formed integrally with the tube 12, or may be formed separately and attached to the tube 12 later. In the case of (1), the former configuration formed integrally with the tube body 12 by extrusion molding is adopted. Further, although the shutter 14 is formed to have a square cross section, it has a circular shape, an elliptical shape, a triangular shape,
It may be formed in other shapes. In addition, starter 1
4 is disposed above the storage path 13, but is not limited thereto, and may be disposed on the side of the storage path 13, and a plurality of pipes 4 are provided for one pipe 12. Alternatively, the positions or the number of arrangements are not limited to those in this embodiment.

As the installation tool inserted into the shutter 14, for example, the one shown in FIG. 3 can be used. The laying tool 2 comprises a spindle-shaped shuttle 21 constituting a tip end, and a rope 22 which is connected to the shuttle 21 integrally or separately and has rigidity itself. Thus, the shuttle 21 can be sent into the shuttle 14. Rope 22
For example, a braided rigid wire or a plurality of thin wires, a synthetic resin extruded, a synthetic resin fiber tightly twisted, a FRP (fiber reinforced plastic) formed into a rope, etc. Suitable to use. Shuttle 2
As shown in FIG. 3, 1 has a connection hole 23 and a plate-shaped protruding piece 24 having a thickness capable of passing through the slit 15.
The connecting hole 23 is for connecting the cord or the like inserted into the hole 23 to a tube or a cable to connect the installation tool 2 to the tube or the cable. The shuttle 21 has
The projecting piece 24 is not particularly required, and the shuttle 21 itself may be provided with a connection hole. In addition, the cloth fixture 2 and the pipe or the case
The connection with the cable is not limited to the one using a cord or the like, and the shuttle 21 itself may have a function of directly holding a tube or a cable. According to the present embodiment, since the shuttle 21 has a spindle shape, the shuttle 21 can be smoothly inserted into the shuttle 14 without resistance. However, the present invention is not limited to this. Any shape may be used as long as it can be inserted into the shutter 14. In addition, by providing the shuttle 21 with a roller that comes into contact with the inner surface of the shutter 14, the insertion of the installation tool 2 into the shutter 14 can be further facilitated.

The slit 15 of the tube 12 is
A pipe 14 or a cable is laid in the storage passage 13 by moving the laying tool 2 inserted therein.
And a pipe or cable in the storage path 13. In this embodiment, the slit 1
5 is formed narrower than the shuttle 21 and the rope 22 and wider than the thickness of the projecting piece 24.

Next, the storage path 13 for the storage material 1 of the above embodiment.
A method of laying a cable using the laying tool 2 will be described. First, as shown in FIG. 4, they are connected to manholes 31 and 32 installed in the ground, and the manholes 31 and 32 are connected.
The cloth fitting 2 is inserted into the shutter 14 from one end of the storage material 1 disposed therebetween, and the shuttle 21 is sent out to the other end of the storage material 1. Next, as shown in FIG. 5, on the other end side of the storage material 1, the string material 4 inserted through the connection hole 23 of the protruding piece 24 of the shuttle 21 is connected to the cable 5, so that the installation tool 2 and the cable are connected. Bull 5 is connected. The connection between the laying fixture 2 and the cable 5 may be performed by using a net-like pull-in member for holding the cable in addition to the string material 4, and the connecting member used is not limited at all. Further, in the case of using a cloth tool having no projecting piece 24 and having a connecting hole formed in the shuttle itself, a connecting member such as a string material that can pass through the slit 15 is used. Then, the cable may be connected to the connection hole of the shuttle. Next, as shown in FIG.
The cable 5 is pulled into the storage path 13 by pulling the shuttle 22 back to one end of the storage material 1 by pulling the cable 22, and then the connection between the laying fixture 2 and the cable 5 is released and stored. The cable 5 is laid in the road 13.

Next, another method for laying a cable using the laying fixture 2 in the storage path 13 of the storage material 1 will be described. First, as shown in FIG.
The cloth fitting 2 is inserted into the shutter 14 from one end of the storage material 1 disposed between the two, and the shuttle 21 is sent out to the other end of the storage material 1. Then, as shown in FIG. 7, the spare rope 6 is connected to the connection hole 23 of the shuttle 21 at the other end of the storage material 1, and the cloth fixture 2 is connected to one end of the storage material 1 as shown in FIG. , The auxiliary rope 6 is drawn into the storage path 13 of the storage material 1. Next, at one end (or the other end) of the storage material 1, as shown in FIG.
The cable 5 is connected to the cable 6 and the spare rope 6 is pulled back to the other end (or one end) of the storage material 1 to pull the cable 5 into the storage path 13 as shown in FIG. After pulling in
The connection between the auxiliary rope 6 and the cable 5 is released, and the cable 5 is laid in the storage path 13.

This spare rope is not rigid and can be wound with a small diameter and has a breaking strength capable of withstanding the tension applied when the cable is drawn into the storage path. Is done. Therefore, when this spare rope is used, the spare rope can be easily towed by a retractable towing machine or the like, so that a heavy cable can be laid or a long cable can be laid. Even when laying a cable between roads, or when laying a plurality of cables at once, a large pulling force is required for laying the cable, the cable can be easily pulled in. Can be laid.

Further, in the installation method using the spare rope, the first rope is drawn into the storage path by the first method.
As shown in FIG. 1, by feeding the installation tool 2 into the shutter 14 in a state where the auxiliary rope 6 is connected to the installation tool 2 in advance, the auxiliary rope can be passed over the storage path. it can.

Next, a specific example of the storage material 7 according to the second aspect will be described. As shown in FIGS. 12 and 13, the storage material 7 is a ceramic storage material having a plurality of through-holes penetrating in the longitudinal direction, and is buried in the ground by the through-holes. A storage path for storing a pipe or cable to be laid is formed. One through hole 7 of this storage material 7
2, a storage path 73 is provided above the storage path 73 as a guide path.
The holding portion 74 is formed by a T-shaped protrusion which is provided continuously along the longitudinal direction of the holding member 74. This holding part 7
Numeral 4 is for moving the laying tool along the storage path 73 while holding a laying tool for drawing and laying a pipe or a cable into the storage path 73 described later.

In this embodiment, the storage material 7 is formed to have a substantially square cross section, but is not limited to this.
It may be formed in an elliptical shape or another shape. Further, in this embodiment, the storage material 7 is made of ceramics, but any hard synthetic resin having strength enough to withstand the burial pressure under the ground and protecting the pipe or cable in the storage path 73 can be used. Or a member made of metal or the like.

The through hole 72 of the storage member 7 is formed in a circular cross section, but is not limited to this, and may be formed in an elliptical shape, a polygonal shape, or another shape.

The holding portion 74 of the through-hole 72 may be formed separately and attached to the inner surface of the through-hole 72 of the storage material 7 later, or may be formed integrally with the storage material 7. In the present embodiment, the latter configuration is adopted. Further, the holding portion 74 is disposed above the storage path 73, but is not limited thereto, and may be disposed on the side of the storage path 73, and a plurality of the holding portions 74 are provided for one through hole 72. The positions or the number of arrangements are not limited to those in this embodiment.

As a laying tool for laying a pipe or a cable in the storage path of the storage material 7, for example, the one shown in FIG. 14 can be used. The laying tool 8 comprises a spindle-shaped shuttle 81 constituting a distal end portion, and a rope 82 connected to the shuttle 81 integrally or separately and having rigidity itself. As an engagement means for being held by the T-shaped projection which is the holding portion 74,
An engagement piece 83 having both ends bent at an angle is provided continuously in the longitudinal direction. Therefore, the cloth mounting tool 8 can be fed along the holding part 74 by the rigidity of the rope 82 in a state where the engaging piece 83 is engaged with the protruding piece and held by the holding part 74. ing. In addition, rope 7
2 is suitably made of the same material as the rope 22 of the fabric fixture 2 of the previous embodiment. Further, in this embodiment, the engaging pieces 83 are provided continuously in the longitudinal direction of the rope 82, but are not limited to this, and are provided at appropriate intervals in the longitudinal direction of the rope 82. In this case, the engaging piece 8
3 may be manufactured separately from the rope 82 and attached later. The shuttle 81 of the laying fixture 8 has a pipe or a casing.
A connection hole 84 for connecting the cable is provided. The connection hole 84 is used in the same manner as the connection hole 23 provided in the shuttle 21 of the cloth installation tool 2. Note that the shuttle 81 may be integrally formed of the same material as the rope 82.

Next, the storage path 73 of the storage material 7 of the above embodiment.
A method of laying a cable using the laying tool 8 will be described. First, as shown in FIG. 15, a connection is made between the manholes 31 and 32 installed in the ground,
From one end side of the storage material 7 disposed between the
In a state where the engaging piece 83 is engaged with and held by the holding portion 74, the cloth fixture 8 is fed along the holding portion 74, and the shuttle 81 is sent out to the other end of the storage material 7. Next, as shown in FIG. 16, at the other end of the storage material 7, the cable 5 is laid by the string material 4 inserted through the connection hole 84 of the shuttle 81.
Connect to. The connection between the laying device 8 and the cable 5 may be made by a connecting means other than the string material as in the previous embodiment. Next, as shown in FIG. 17, by pulling the rope 82 of the installation tool 8 and pulling the shuttle 81 back to one end of the storage material 7, the cable 5 is drawn into the storage path 73.
The connection between the laying tool 8 and the cable 5 is released, and the storage path 73 is released.
The cable 5 is laid inside.

As another method of laying the cable using the laying tool 8 in the storage path 73 of the storage material 7 of this embodiment, the spare rope described in the previous embodiment is used. Needless to say, it is possible to adopt a method of laying.

In this embodiment, the holding portion 74 as the guide path is formed by a T-shaped projection.
As shown in FIG. 8, it is formed by a protruding piece 75 having a circular cross section,
As shown in FIG. 19, a dovetail groove 76 communicating with the through hole 73 may be formed. In this case, an engaging piece having a shape corresponding to the holding portion is formed so as to be held by these holding portions. A cloth fixture may be used. That is, the form of engagement between the engaging piece of the installation tool and the holding section is not limited at all, as long as the installation tool can move the holding section while being held by the holding section.

Further, the guide path of the storage material according to the present invention is described in the embodiment according to claim 1 by a hollow shutter provided with a slit and through which a cloth fixture is inserted. In the embodiment, the holding portion formed by the protruding piece or the dovetail groove has been described.
The guide path may be provided by providing the holding portion formed by the protruding piece or the dovetail described in the above, and further providing a hollow shutter provided with a slit in the through hole of the storage material according to claim 2. It may be. In this case, the installation tool corresponding to each guide path described in the above embodiment is used.

Further, in the embodiments according to the first and second aspects, only one of the pipes or the through-holes constituting the plurality of storage paths has the configuration provided with the guide path. However, the storage material of the present invention is not limited to this, and may be implemented as a configuration in which a guide path is provided in two or more pipes or through holes, or a configuration in which a guide path is provided in all pipes or through holes. Can be.

[0031]

As described above, according to the pipe / cable storage material according to the present invention, a plurality of pipes or tubes are provided in one pipe or through-hole constituting a storage path for the storage material. Even when a cable is laid, it is not obstructed by a pipe or a cable already laid in a pipe or a through-hole, and is guided along a guide path provided continuously in the longitudinal direction of the storage path. Thus, there is an excellent effect that the installation work of the pipe or the cable can be efficiently performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a tube / cable storage material according to the present invention.

FIG. 2 is a central longitudinal sectional view of the tube / cable storage material shown in FIG.

FIG. 3 is a perspective view showing a laying tool used for the pipe / cable storage material shown in FIG. 1;

FIG. 4 is a cross-sectional view showing a method of laying a cable in a storage path of the tube / cable storage material shown in FIG.

FIG. 5 is a cross-sectional view showing a method of laying a cable in a storage path of the tube / cable storage material shown in FIG.

FIG. 6 is a cross-sectional view showing a method of laying a cable in the pipe / cable storage material storage path shown in FIG. 1;

FIG. 7 is a cross-sectional view showing a method of laying a cable in a storage path of the tube / cable storage material shown in FIG.

FIG. 8 is a cross-sectional view showing a method of laying a cable in the storage path of the tube / cable storage material shown in FIG.

FIG. 9 is a cross-sectional view showing a method of laying a cable in the storage path of the pipe / cable storage material shown in FIG.

FIG. 10 is a cross-sectional view showing a method of laying a cable in the storage path of the pipe / cable storage material shown in FIG.

FIG. 11 is a cross-sectional view showing a method of laying a cable in the pipe / cable storage material storage path shown in FIG. 1;

FIG. 12 is a perspective view showing an embodiment of a tube / cable storage material according to the invention of claim 2;

FIG. 13 is a central longitudinal sectional view of the tube / cable storage material shown in FIG.

14 is a perspective view showing a laying tool used for the tube / cable storing material shown in FIG.

FIG. 15 is a cross-sectional view showing a method of laying a cable in the storage path of the pipe / cable storage material shown in FIG.

FIG. 16 is a cross-sectional view showing a method of laying a cable in the storage path of the tube / cable storage material shown in FIG.

FIG. 17 is a cross-sectional view showing a method of laying a cable in the storage path of the tube / cable storage material shown in FIG.

FIG. 18 is a perspective view showing another embodiment of the tube / cable storage material according to the present invention.

FIG. 19 is a perspective view showing another embodiment of the tube / cable storage material according to the present invention.

FIG. 20 is a perspective view showing a conventional tube / cable storage material.

FIG. 21 is a perspective view showing a conventional tube / cable storage material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pipe / cable storage material 2 Cloth fixture 7 Pipe / cable storage material 8 Cloth fixture 12 Tube 13 Storage path 14 Shuter as guide path 72 Through hole 73 Storage path 74 Holding part as guide path

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI H02G 1/08 H02G 1/08 E

Claims (2)

(57) [Scope of request for utility model registration] 1. A pipe / cable storage material comprising a plurality of pipes constituting a storage path for storing pipes and cables embedded therein, wherein at least one of the pipes is in its own storage path. A hollow guideway for moving a laying tool for laying pipes and cables is continuously provided in the longitudinal direction of the storage path, and a slit facing the storage path is continuous in the longitudinal direction of the guideway.
Pipe and cable storage characterized by being provided as
Wood. 2. A tube / cable storage material having a plurality of through holes forming a storage path for storing a pipe / cable, wherein at least one of the through holes is provided in its own storage path. A hollow guideway for moving a laying device for laying pipes and cables is continuously provided in the longitudinal direction of the storage path, and a slit facing the storage path is continuous in the longitudinal direction of the guideway.
Pipe and cable storage characterized by being provided as
Wood.