JP2019183984A - Piping construction method - Google Patents

Abstract

To eliminate a difficult storage or delivery and the like due to bulky packaging of a set of piping work components at the time of shipment and to eliminate a difficulty in delivery of a set of the piping work parts after opening the package at a piping work site upon its carrying-in because of a large-sized formation of a set of piping work parts by a prefabrication method applied as a prior method for water supply and hot water supply piping.SOLUTION: This invention comprises an assembling step for assembling several piping units 10 each of which is provided with a first connection member 13 having one pipe 11 flowing service water or drainage water and having a first connection part 12 connected to one end of the pipe 11 that can be connected to other members and a second connection member 15 connected to the other end of the pipe 11 and having a second connection part 14 that can be connected to the other member, a shipment step for shipping several pipe units 10 assembled at the shipment step and a laying step connecting several pipe units 10 shipped at the shipment step at a work site and laying them at the working site.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a piping construction method.

There is a prefabricated construction method as a method for constructing piping for water supply and hot water supply at a piping construction site such as a construction site. In the prefabricated construction method, pipe construction parts such as pipes and joints necessary for pipe construction are assembled in advance at parts factories and processing manufacturers, shipped as an assembled pipe construction part set, and assembled at the installed pipe construction place. The piping construction is performed using the piping construction part set. This piping construction part set is assembled by connecting all piping and fittings included in the piping construction part set at parts factories and processing manufacturers, and after confirming that there is no water leakage etc. in the connection part by water flow inspection They are packed and shipped together.
In the case of the prefabricated construction method, piping, joints, etc. that make up the assembled pipe construction part set that has been delivered are not required for length measurement, cutting, connection, etc. Since the quality of the product is ensured and inspection can be omitted, it is not necessary to reduce work and confirm the quality.
Examples of such a prefabricated method include a pipe laying method and a pipe unit (see Patent Document 1).

JP-A-5-179678

However, in the prefabricated construction method as a conventional water supply and hot water supply pipe construction method, piping construction parts such as pipes and joints necessary for piping construction are all connected as a piping construction part set. Larger sets were inevitable. For this reason, the packaging of the piping construction part set at the time of shipment becomes bulky, making it difficult to store and deliver, and it is not easy to handle the piping construction part set after opening the packaging at the piping construction site after carrying in. There wasn't.
Accordingly, an object of the present invention is to provide a piping construction method in which the packaging at the time of shipment of piping construction parts is not bulky, and the piping construction parts can be easily handled at the piping construction site.

  In order to achieve the above object, a pipe construction method according to the present invention has one pipe that passes water and sewage, and a first connecting part that is connected to one end of the pipe and can be connected to another member. Assembling a plurality of piping units each having a first connecting member and a second connecting member connected to the other end of the pipe and having a second connecting portion connectable to other members. Assembling process, shipping the plurality of piping units assembled in the assembling process, shipping process, and connecting the plurality of piping units shipped in the shipping process at a construction site and laying at the construction site And a laying step. According to the piping construction method according to the present invention, the packaging at the time of shipment of the piping construction parts is not bulky, and the piping construction parts can be easily handled on the piping construction site.

  In the piping construction method of the present invention, the second connecting portion of the piping unit may be a joint connectable with another cylindrical member and / or a cylindrical member connectable with another joint. preferable. According to this configuration, the second connecting member with a simple configuration can be connected to another joint or another cylindrical member.

  In the piping construction method according to the present invention, at least one of the plurality of piping units includes a cylindrical member that can be connected to another joint as the second connecting member. Can be. According to this structure, in a laying process, a 2nd connection member can be connected with another coupling as it is.

  In the piping construction method according to the present invention, at least one of the plurality of piping units includes a separate cylindrical member that can be connected to another joint as the second connecting member. Can be connected. Also with this configuration, the second connecting member can be directly connected to another joint in the laying step.

  In the piping construction method according to the present invention, in the laying step, at least one of the plurality of piping units can be connected to a separate cylindrical member to the second connecting portion. . According to this configuration, the second connecting member can be connected to the other joint via the separate cylindrical member in the laying step without making the packaging at the time of shipment more bulky.

  In the pipe construction method of the present invention, in the laying step, at least one pipe unit among the plurality of pipe units, the second connecting portion has one extension pipe having a predetermined length; The third connecting part of the extension unit, which is connected to one end of the extension pipe and has a third connecting part having a third connecting part connectable to another member, is connected. Is preferred. According to this configuration, when connecting a plurality of shipped piping units at the construction site and laying them at the construction site, if at least one of the piping units is insufficient for the required piping length at the site, By connecting an extension unit, the length of the pipe can be adjusted.

  According to the present invention, it is possible to provide a piping construction method in which packaging at the time of shipment of piping construction parts is not bulky, and the piping construction parts can be easily handled at the piping construction site.

It is explanatory drawing which shows the piping laying state using the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the structure of the piping unit used for the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the other example of a structure of the piping unit used for the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the further another example of a structure of the piping unit used for the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the example of the connection method of the piping unit used for the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the other example of the connection method of the piping unit used for the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the structure of the extension unit used for the piping construction method which concerns on one embodiment of this invention. It is explanatory drawing which shows the example of the connection method of the extension unit used for the piping construction method which concerns on one embodiment of this invention.

Hereinafter, an embodiment for carrying out the present invention will be described with reference to the drawings.
As shown in FIG. 1, by using the piping construction method of the present embodiment, a plurality of piping units 10 are laid under the floor F (inside) at a construction site that is a construction site, and a plurality of pipings laid. By using the unit 10, water supply / hot water supply pipes for supplying water / hot water can be installed on the water supply device S such as a kitchen or bath installed on the floor F (in the room).
As shown in FIGS. 2-4, the piping construction method of this embodiment assembles a plurality of piping units 10, an assembling process, and a shipping process of shipping the plurality of piping units 10 assembled in the assembling process. The laying process of connecting the plurality of piping units 10 shipped in the shipping process at the construction site and laying the piping unit 10 at the construction site.

In the piping construction method of the present embodiment, a plurality of piping units 10 are first assembled by an assembly process. The piping unit 10 assembled in the assembly process of the present embodiment is connected to one pipe 11 (more specifically, only one) pipe 11 that passes water and sewage, and one end of the pipe 11, A first connecting member 13 having a first connecting part 12 that can be connected to another member (for example, a watering device) and the other end of the pipe 11 are connected to the other member (for example, another piping unit). And a second connecting member 15 having a second connecting portion 14 connectable to each other.
The above-mentioned “water and sewage” means clean water or sewage, and the piping unit 10 of the present embodiment is used for water supply / hot water supply. Not only water but also sewage is acceptable.
The piping 11 is formed of various elastic materials such as rubber and polybutene, and the first connecting portion 12 and the second connecting portion 14 are formed of a material such as metal or resin, respectively.

The piping 11 of the piping unit 10 of the present embodiment is cut to a length required as a water supply / hot water supply pipe laid at a construction site, which is requested based on a design drawing, for example. The first connecting member 13 or the second connecting member 15 is provided.
The first connecting portion 12 of the present embodiment is formed by, for example, an internal thread portion, and with respect to the pipe 11, the horizontal direction substantially perpendicular to the pipe extension direction (see FIGS. 2 and 4), or the vertical direction along the pipe extension direction. (See FIG. 3). The first connecting portion 12 can be connected and connected (communicated) with another member (for example, a watering device) having a male screw portion screwed into the female screw portion.

However, the other member to which the first connecting portion 12 can be connected is not limited to the water supply device, and may be, for example, other piping. Moreover, as long as the connection of the 1st connection part 12 is possible by the structure of the connection part of the said other member, the 1st connection part 12 is not limited to an internal thread part, For example, an external thread part, a coupling, a cylindrical member Etc.
The first connecting member 13 of the present embodiment has a joint 16 connected to one end of the pipe 11 together with the first connecting part 12, and the first connecting part 12, As a result, the 1st connection member 13 is connected and connected (communication) to the piping 11 (refer FIGS. 2-4).

In the piping construction method of the present embodiment, the second connecting portion 14 of the piping unit 10 is a joint that can be connected to another cylindrical member and / or a cylindrical member that can be connected to another joint.
In the present embodiment, the second connecting portion 14 includes a joint connectable with another cylindrical member, a cylindrical member connectable with another joint, a joint connectable with another cylindrical member, or other It consists of a cylindrical member that can be connected to the joint.
The second connecting portion 14 is connectable to a joint that can be connected to another cylindrical member, a cylindrical member that can be connected to another joint, a joint that can be connected to another cylindrical member, or a joint that can be connected to another joint. By being made of a cylindrical member, the second connecting portion 14 and eventually the second connecting member 15 and another cylindrical member or other joint are connected by a joint, a cylindrical member, a joint, and a cylindrical member. Can be linked.
In the present embodiment, the cylindrical member and the joint that can be connected to the cylindrical member can be inserted, locked or released with one touch.

  As shown in FIG. 5, the second connecting member 15 of the present embodiment is connected to the joint 16 connected to the other end of the pipe 11 together with the second connecting portion 14 and connected to the joint 16 (communication). The joint connecting portion 17 is connected, and the second connecting portion 14 is connected to the joint connecting portion 17 to be connected (communicated), whereby the second connection is established via the joint 16 and the joint connecting portion 17. The part 14 and thus the second connecting member 15 is connected to the other end of the pipe 11 to be connected (communicated).

As described above, in the piping unit 10 of the present embodiment, the first connecting portion 12 of the first connecting member 13 is connected to one end of the piping 11, and the second connecting portion 14 is connected to the other end of the piping 11. , A pipe (cylindrical member, other member) 14a (see FIG. 2), a joint (other member) 14b (see FIG. 4), a pipe 14a and a joint 14b (see FIG. 3), or a second A connecting member 15 is connected. In addition, although the 2nd connection member 15 of FIGS. 2-4 has a total of 2 joints and / or piping, a total of 3 or more may be sufficient. Further, only two or three or more joints may be only two or three or more pipes.
The first connecting part 12 can connect and connect (communicate with) the piping unit 10 of the present embodiment to water supply equipment for supplying water or hot water to the water supply equipment. The piping unit 10 of this embodiment is connected and connected to any one or more of the second connecting portions 14 connected (communicated) by water or hot water supply sources for supplying water or hot water by the portion 14. (Communication).

At least one of the plurality of piping units 10 of the present embodiment includes a pipe (cylindrical member, etc.) in which the second connecting member 15 can be connected to the joint (other member) 14b as the second connecting portion 14. The member 14a may be integrally provided. That is, in the piping unit assembled in the assembly process, the second connecting member 15 has a pipe 14 a that can be connected to the joint 14 b as the second connecting portion 14 integrally with the second connecting member 15. And will be shipped in this state. More specifically, the second connecting portion 14 may include a pipe 14a (see FIG. 2), or a pipe 14a and a joint 14b (see FIG. 3), or a joint 14b (see FIG. 4). The second connecting member 15 integrally including the pipe 14 a may be one or more of the plurality of piping units 10, and may not necessarily be all of the plurality of piping units 10.
By having the said structure, in the laying process, the 2nd connection member 15 can be connected with the other coupling 14b as it is in the laying process.

At least one of the plurality of piping units 10 of the present embodiment is a separate pipe (cylindrical shape) that can be connected to the second connecting member 15 as a second connecting portion 14 with a joint (other member) 14b. Member, other member) 14a may be connected. That is, in the piping unit assembled in the assembly process, the second connecting member 15 may have a pipe 14a that can be connected to the joint 14b, and the pipe 14a is connected to, for example, a joint. And may be shipped in this state. More specifically, the second connecting portion 14 may include a pipe 14a (see FIG. 2), or a pipe 14a and a joint 14b (see FIG. 3), or a joint 14b (see FIG. 4). The second connecting member 15 having the pipe 14 a as a separate body may be one or more of the plurality of piping units 10, and may not necessarily be all of the plurality of piping units 10.
Also by having the said structure, in the laying process, the 2nd connection member 15 can be connected with another coupling as it is.

In the laying process of the present embodiment, at least one of the plurality of piping units 10 is connected to the second connecting portion 14 with a separate cylindrical member.
As shown in FIG. 6, the connecting pipe 18 (separate cylindrical member) connected to the second connecting portion 14 is connected to the second connecting member 15 in the assembly process of the piping construction method. Instead of the assembly process, the plurality of piping units 10 may be connected to the connecting member 15 in a laying process in which a plurality of piping units 10 are connected at the construction site and laid on the construction site.

After the assembly process of the pipe construction method of the present embodiment, before the shipping process, the connection part between the pipe 11 and the first connection member 13 having the first connection part 12, the pipe 11 and the second connection part 14. It is preferable to provide an inspection step for performing a water flow inspection on a pipe connection portion such as a connection portion with the second connecting member 15 having the above.
That is, for each piping unit 10 assembled in the assembly process of the piping construction method of the present embodiment, the connecting portion between the piping 11 and the first connecting member 13 having the first connecting portion 12 before shipping, After confirming that there is no water leakage or the like in the connection part by performing a water flow inspection on the connection part, such as a connection part between the pipe 11 and the second connection member 15 having the second connection part 14, a plurality of The piping unit 10 is packed together and packed.
By providing an inspection process for performing a water flow inspection, the assembled piping unit 10 is inspected and confirmed by the factory or processing manufacturer for water leakage or the like at each unit before shipment. Since the quality of the connection point is ensured at the piping construction site, it is not necessary to check the quality at the piping construction site.

  As described above, the plurality of piping units 10 are assembled by the assembly process of the piping construction method of the present embodiment. Each piping unit 10 assembled in the assembly process is connected to the piping 11, the first connecting member 13 having the first connecting portion 12 connected to one end of the piping 11, and the other end of the piping 11. And the second connecting member 15 having the second connecting portion 14. For this reason, even if it is a plurality of piping units 10, it does not enlarge as a whole, and packing does not become bulky in a shipping process, and storage, movement, etc. do not become difficult. Also, compared to the case where all the members used for piping construction are shipped without assembling, it is not necessary to perform assembling work for every member when laying at the piping construction site, so the amount of work in the laying process Can be reduced.

A plurality of piping units 10 assembled in the assembling process of the piping construction method of the present embodiment are shipped to the construction site by the shipping process of the piping construction method of the present embodiment.
The plurality of piping units 10 shipped to the construction site are, for example, a plurality of piping units 10 used at one construction site.
In the shipping process of the present embodiment, each piping unit 10 to be shipped is connected to the piping 11, the first connecting member 13 connected to one end of the piping 11, and the other end of the piping 11 as described above. Therefore, the plurality of piping units 10 are not increased in size, and the packaging at the time of shipment is not bulky, and it is not bulky and difficult to deliver. . In addition, at the time of shipment, it is not limited to one, but may be divided into a plurality of packages and shipped in a plurality of times.

By the laying process of the piping construction method of the present embodiment, the plurality of piping units 10 shipped in the shipping process of the piping construction method of the present embodiment are connected at the construction site and laid at the construction site.
In the said construction site, the some piping unit 10 connects each piping unit 10 with the 2nd connection part 14 and the 2nd connection part 14 of each 2nd connection member 15. FIG. The connection between the second connecting portion 14 and the second connecting portion 14 is performed by connecting the pipe 14a and the joint 14b of the second connecting portion 14 to each other (see FIG. 5).
In the laying process of the present embodiment, each piping unit 10 carried into the delivered piping construction site has the piping 11 and the first connecting member 13 connected to one end of the piping 11 as described above. Since it consists only of the 2nd connection member 15 connected to the other end of the piping 11, even if it is a some piping unit 10, it does not enlarge, but the piping unit in the piping construction site after opening a package 10 is easy to handle.

In this embodiment, each piping unit 10 that has been unpacked and taken out at a piping construction site is connected to the first connecting member 13 and various other members of each piping unit 10 according to the piping procedure at the piping construction site. The second connecting member 15 of each piping unit 10 and other members are connected (communicated) at the piping construction site.
In the laying process of the present embodiment, each unit of the plurality of piping units 10 can be connected and laid at the piping construction site, so that the handling at the piping construction site is facilitated, and the laying work itself is performed. It becomes simple.

In the laying process of the piping construction method of the present embodiment, at least one of the plurality of piping units 10 may be connected to the second connecting portion 14 by a connecting pipe (separate cylindrical member) 18 ( (See FIG. 6).
When connecting a plurality of piping units 10 at a construction site and laying them at the construction site, the second connection member 15 is separated from the second connection member 15, for example, a connection pipe 18 similar to the pipe 14a. May be connected. The second connecting member 15 to which the separate connecting pipe 18 is connected may be one or more of the plurality of piping units 10, and may not necessarily be all of the plurality of piping units 10.
In the laying step, a separate connection pipe 18 is connected to the second connection member 15, so that the second connection member 15 can be connected to another second connection via the connection pipe 18 as necessary. Since it can connect with the member 15, in the laying process, the 2nd connection member 15 can be connected with another coupling as it is. The connection pipe 18 can be carried into the construction site by being shipped together with the plurality of piping units 10 when the plurality of piping units 10 are shipped.

When a plurality of piping units 10 are connected at a construction site and laid at the construction site by the laying process of the piping construction method of the present embodiment, for example, the length of the piping 11 of the piping unit 10 does not match, and the piping unit 10 May not be connected, the extension unit 19 may be used for connection.
As shown in FIGS. 7 and 8, in the laying process of the present embodiment, the second connecting portion 14 of at least one piping unit 10 among the plurality of piping units 10 has a predetermined length. A third connecting member 22 having a third connecting member 22 having a third connecting part 21 connected to one end of the extending pipe 20 and connectable to another member. The connecting part 21 is connected.

The extension unit 19 of the present embodiment including the third connecting member 22 having the third connecting portion 21 at one end of the extension pipe 20 is connected to the pipe unit 10 of the present embodiment at the other end of the extension pipe 20. Similarly, the 2nd connection member 15 which has the 2nd connection part 14 connected via the joint 16 and the joint connection part 17 is provided (refer FIG. 7).
The third connecting portion 21 of the extension unit 19 of the present embodiment is a pipe (cylindrical member, other member) 14a of the second connecting portion 14 of the piping unit 10 to which the third connecting portion 21 is connected. (See FIG. 2) or from a pipe (cylindrical member, other member, not shown) or a joint (other member) 21b (see FIG. 7) similar to the joint (other member) 14b (see FIG. 3). Thus, by connecting the third connecting portion 21 to the second connecting portion 14, the extension unit 19 can be connected to and connected (communication) to the piping unit 10 (see FIG. 7). And the 2nd connection part 14 of the 2nd connection member 15 of the other piping unit 10 can be connected to the 2nd connection part 14 of the 2nd connection member 15 to this extension unit 19 ( (See FIG. 8).
In the present embodiment, as shown in FIG. 8, the extension unit 19 is preferably connected to a supply source side for supplying water and hot water for water supply / hot water supply to the watering device. That is, in the construction site, the plurality of piping units 10 connect the respective piping units 10 to each other with the second connecting portion 14 and the second connecting portion 14 of each second connecting member 15 ( At that time, the piping unit 10 is connected via the extension unit 19 connected to the second connecting member 15.

The extension pipe 20 of the extension unit 19 of this embodiment is formed by, for example, the same pipe as the pipe 11 of the pipe unit 10 of this embodiment, and the length is, for example, 0.5 to 1.5 m. It is preferable. Since the piping 11 of the piping unit 10 of the present embodiment is cut to a length necessary for water supply / hot water supply piping laid at the construction site based on the design drawing, even if it is insufficient, for example, 0 .5 to 1.5 m can be handled.
For example, the extension pipe 20 is set to a standard length of 1 m, so that the third connection member 22 of the extension unit 19, that is, the extension, is provided, for example, 1 m ahead of the second connection portion 14 of the second connection member 15. It can be clearly seen that there is a connection portion of the piping unit 10 to which the unit 19 is connected to the extension unit 19. For this reason, if an identification mark (for example, a color or a mark of a mark) is attached to an arbitrary place of the second connecting member 15 of the extension unit 19, when the other member is viewed, the identification mark For example, the connection part of the piping unit 10 to which the extension unit 19 is connected is 1 m ahead, and the position of the connection part can be specified.

  The extension unit 19 of the present embodiment is assembled in the same manner as the pipe unit 10 of the present embodiment in the assembly process of the pipe construction method of the present embodiment, and is connected to the extension pipe 20 and extended at the factory or processing manufacturer before shipment. The connection portion between the member 22 and the connection portion between the extension pipe 20 and the second connecting member 15 are inspected and confirmed to have no water leakage, and together with the plurality of piping units 10 or separately from the plurality of piping units 10. Can be packed and shipped. In this case, the quality of the connection location is ensured at the time of shipment. For this reason, it is not necessary to check the quality at the piping construction site.

  10: piping unit, 11: piping, 12: first connecting portion, 13: first connecting member, 14: second connecting portion, 14a: pipe (cylindrical member, other member), 14b: joint ( 15: second connecting member, 16: joint, 17: joint connecting portion, 18: connecting pipe (cylindrical member, other member), 19: extension unit, 20: extension pipe, 21: first Third connecting part 22: Third connecting member

Claims (6)

One pipe that passes water and sewage, and a first connecting member that is connected to one end of the pipe and can be connected to another member, and connected to the other end of the pipe, Assembling a plurality of piping units each having a second connecting member having a second connecting part connectable with other members,
Shipping the plurality of piping units assembled in the assembly process;
The laying step of connecting the plurality of piping units shipped in the shipping process at a construction site and laying the construction unit,
A piping construction method comprising:   The piping construction method according to claim 1, wherein the second connecting portion of the piping unit is a joint connectable with another cylindrical member and / or a cylindrical member connectable with another joint.   At least one of the plurality of piping units, the second connecting member integrally includes a cylindrical member that can be connected to another joint as the second connecting portion. 2. The piping construction method according to 2.   At least one of the plurality of piping units is connected to the second connecting member, as a second connecting portion, a separate cylindrical member that can be connected to another joint. 4. The piping construction method according to any one of items 3 to 3.   The piping according to any one of claims 1 to 4, wherein in the laying step, at least one of the plurality of piping units is connected to a separate cylindrical member at the second connecting portion. Construction method.   In the laying step, the second connecting portion of at least one of the plurality of piping units is connected to one extension pipe having a predetermined length and one end of the extension pipe. The third connecting portion of the extension unit having a third connecting member having a third connecting portion connectable to another member is connected to the third connecting member. The piping construction method described in the paragraph.

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