JP2010048398A - Piping unit and connection structure of the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a piping unit and a connection structure of the piping unit which are lightweight and increasable in mutual connection strength of racks. <P>SOLUTION: The piping unit 40 is formed by mounting piping 60 to the rack of rectangular parallelepiped shape having lower stage side main beams 41, 42 and upper stage side main beams 43, 44; first end pillars 45, 46 and second end pillars 47, 48 erected on one end side and the other end side of the respective main beams 41-44; and first cross beams 49, 50 and second cross beams 51, 52 erected between both end sides of the upper stage side main beams 43, 44 and between both end sides of the lower stage side main beams 41, 42 respectively. Both end sides of the respective main beams 41-44 extend in the longitudinal direction of the main beams 41-44 from the end pillars 45-48 and the cross beams 49-52. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a piping unit in which piping is attached to a rack, and a connection structure between the piping units.

  In plant facilities such as various factories and industrial complexes, if one pipe is arranged and constructed one by one, the construction efficiency is remarkably low. Therefore, a plurality of pipes are collected and attached to a rack as a piping unit, a large number of piping units are carried into the construction site, and the piping units (rack and piping) are connected to greatly improve the construction efficiency. Such a construction method is adopted.

  An example of such a piping unit is shown in FIGS. 6 and 7 of Japanese Patent Application Laid-Open No. 2007-32738, and its connecting structure is shown in FIGS.

  This conventional example will be described next with reference to FIGS.

  FIG. 6 is a perspective view of the piping unit shown in FIG. 6 of JP-A-2007-32738. FIG. 7 is FIG. 7 of Japanese Patent Application Laid-Open No. 2007-32738, and is a perspective view of a skeleton frame of a rack. FIG. 8 is FIG. 11 of Japanese Patent Application Laid-Open No. 2007-32738, and is a plan view of a connecting portion between the piping units. FIG. 9 is FIG. 14 of Japanese Patent Application Laid-Open No. 2007-32738, and is a perspective view of a connecting portion between the piping units.

  As shown in FIGS. 6 and 7, in this piping unit 10, main beams 11, 12, 13, and 14 are provided on the upper side and the lower side, respectively, and vertical end pillars 15, 16, 17 and 18 are erected, and side pillars 19 and 20 are erected on the way. The upper main beams 11 and 12 and the lower main beams 13 and 14 are connected to each other by cross beams 21, 22, 23, and 24, and are connected by mid cross beams 25 and 26 in the middle. . Both ends of the upper stage side main beam 11 and the lower stage side main beam 13 are connected by vertical members 27 and 28. Both ends of the upper stage side main beam 12 and the lower stage side main beam 14 are connected by vertical members 29 and 30.

  A rack skeleton frame shown in FIG. 7 is constituted by these beams 11 to 30, and the carry beam 31 shown in FIG. 6 is fixed to the rack skeleton frame to form a rack. The pipes 32 and 33 are loaded on the carry beam 31 and fixed to the carry beam 31 by U bolts (not shown).

  A plurality of piping units 10 are arranged adjacent to each other so that each pipe is coaxial, and the vertical members 27 and 28 and the vertical members 29 and 30 of the adjacent racks are butted together.

Therefore, these longitudinal members are connected to each other by a pair of flat plates 34 and a joint tool 33 including a bolt 35 and a nut 36 (the same publication [0056]). Further, the pipes 32 and the pipes 33 are connected to each other.
JP2007-32738A

  In the above conventional piping unit, the vertical members 27 and 29 and the vertical members 28 and 30 of the rack of the piping unit are connected to each other by the joint 33, but the vertical members 27 to 30 are present. Only the rack weight increases. Further, in the rack-to-rack connection structure in which the vertical members 27 and 28 or the vertical members 29 and 30 are sandwiched between a pair of flat plates 34 and the flat plates 34 are connected to each other with bolts 35 and nuts 36, the connection strength between the racks is high. Low.

  An object of the present invention is to solve the above-described conventional problems, and to provide a piping unit that can reduce the weight and increase the connection strength between racks, and a connection structure thereof.

  The piping unit of the present invention (Claim 1) includes a pair of parallel lower main beams on the lower side, a pair of upper main beams parallel to the lower main beam, and one end side of each main beam. Between the first end pillar erected, the second end pillar erected on the other end side of each main beam, the one end sides of the upper main beam, and the one end sides of the lower main beam A first cross beam installed on each of the first and second cross beams installed between the other end sides of the upper main beam and the other end sides of the lower main beam. In a pipe unit in which pipes are attached to a lattice-shaped rack so as to extend in a direction parallel to the main beam, one end side of the main beam is closer to the main beam than the first end pillar and the first cross beam. The other end side of the main beam extends in the longitudinal direction of the main beam from the second end pillar and the second cross beam, and the one end side of the upper main beam is extended in the longitudinal direction of the beam. There is no vertical member between the tip and the tip on the one end side of the lower main beam, and the tip on the other end of the upper main beam and the tip on the other end of the lower main beam It is characterized by the absence of longitudinal members between them.

  A piping unit according to a second aspect is the piping unit according to the first aspect, wherein the upper main beam and the lower main beam are connected to each other in the longitudinal direction by a vertical side pillar, the side pillar, the upper main beam, and Reinforcing braces are installed in a diagonal direction on a rectangular frame portion surrounded by the lower main beam and the end pillar.

  A piping unit according to a third aspect is the piping unit according to the first aspect, wherein a plurality of portions in the longitudinal direction of the upper main beam and the lower main beam are connected by vertical side pillars, and a pair of the side pillars Further, a reinforcing brace is constructed in a diagonal direction on a rectangular frame portion surrounded by the upper stage main beam and the lower stage main beam.

  A piping unit according to a fourth aspect is the piping unit according to the second or third aspect, wherein the pair of side pillars facing each other in the direction orthogonal to the longitudinal direction of the main beam is between the first end pillars, between the second end pillars. A carry beam is installed between them, and the pipe is attached to the carry beam.

  A piping unit according to a fifth aspect of the present invention is the piping unit according to any one of the first to fourth aspects, wherein a leading end surface on one end side of the main beam is flush with a leading end surface on the one end side of the piping. The other end side tip surface and the other end side tip surface of the pipe are flush with each other.

  The pipe unit of claim 6 is the pipe unit according to any one of claims 1 to 5, wherein a tie plate for connecting to the one end side of each main beam is connected to the other end side of the main beam of the pipe unit arranged adjacent thereto. The tie plate is a flat plate extending in the longitudinal direction of the main beam, and one end of the main beam of the tie plate is fastened to the main beam by a fastening bolt. The attachment bolt extends in a direction orthogonal to the longitudinal direction of the main beam, and the other end of the tie plate is provided with a first hole for inserting a bolt. A second hole for inserting a bolt is provided on the end side.

  The piping unit connection structure according to claim 7 is such that the piping unit according to any one of claims 1 to 6 is arranged adjacent to the longitudinal direction of the piping, and the main beams of the piping units and the piping are connected to each other. It is characterized by.

  The piping unit connection structure according to claim 8 is the piping unit according to claim 6, wherein the piping unit is a piping unit according to claim 6, wherein the main beams of adjacent piping units are on the one end side of the main beam of one piping unit. The rate is rotated around the fastening bolt, passed to the other end of the main beam of the other piping unit, and connected to the first hole and the second hole by tightening a nut through a fastening bolt. It is characterized by being.

  In the piping unit of the present invention, there is no vertical member that connects both ends of the main beam above and below the rack. Therefore, the rack is lightweight.

  By providing braces as in claims 2 and 3, the strength of the rack is increased. In addition, the brace is lightweight, and the weight increase accompanying the brace installation is slight.

  According to the fifth aspect, the racks can be connected to each other and the pipes can be connected to each other.

  In the piping unit connection structure of the present invention, the piping units are connected to each other via a tie plate.

  According to the sixth and eighth aspects, since the tie plate is connected to the main beam by the bolt, the connection strength between the piping units is high. Further, the tie plate of one rack is rotated about 180 ° around the bolt, and the tie plate is transferred to the main beam of the other rack and bolted to increase the connection strength between the racks.

  Hereinafter, embodiments will be described with reference to the drawings.

  1 is a perspective view of a piping unit according to an embodiment, FIG. 2 is a perspective view of a skeleton frame of a rack of the piping unit of FIG. 1, FIG. 3 is a perspective view showing a coupling body of the piping units, FIG. FIG. 4 is a perspective view showing a method of connecting main beams, and FIG. 5 is a perspective view showing a connecting structure of main beams.

  The rack of the piping unit 40 includes, as main beams, a pair of parallel lower side main beams 41 and 42 on the lower side and a pair of upper side main beams 43 and 44 parallel to the lower side main beams 41 and 42. And have.

  The rack, as end pillars, includes first end pillars 45 and 46 erected on one end side of the main beams 41 to 44 and second end pillars erected on the other end side of the main beams 41 to 44. 47, 48.

  The rack includes cross beams, first cross beams 49 and 50 installed between the one end sides of the upper main beams 43 and 44 and the one end sides of the lower main beams 41 and 42, respectively. And second cross beams 51 and 52 installed between the other end sides of the upper stage main beams 43 and 44 and between the other end sides of the lower stage side main beams 41 and 42, respectively.

  The rack includes vertical side pillars 53 and 54 that connect a plurality of positions in the longitudinal direction of the upper main beam 43 and the lower main beam 41 and the upper main beam 44 and the lower main beam 42 in the longitudinal direction. In addition, a pair of side pillars 53 and 53 that face each other between the first end pillars 45 and 46, between the second end pillars 47 and 48, and in the direction orthogonal to the longitudinal direction of the main beams 41 to 44, and the side A carry beam 55 is provided between the pillars 54 and 54 in a multistage manner.

  The piping unit 40 connects the piping 60 to the carry beam 55 and the lower cross beams 50 and 52 so as to extend in a direction parallel to the main beams 41 to 44 with respect to the rectangular grid rack configured as described above. It is attached with a U bolt 61. A flange 62 is provided at the tip of the pipe 60.

  One end side of each main beam 41 to 44 extends to the one end side in the longitudinal direction of the main beams 41 to 44 from the first end pillars 45 and 46 and the first cross beams 49 and 50. The distal end surface of the one end side to 44 and the distal end surface (flange surface) of the one end side of the pipe 60 are flush with each other.

  The other end side of each main beam 41-44 extends to the other end side in the longitudinal direction of the main beam 41-44 rather than the second end pillars 47, 48 and the second cross beams 51, 52, The tip surface on the other end side of the beams 41 to 44 and the tip surface (flange surface) on the other end side of the pipe 60 are flush with each other.

  There is no vertical member between the tip of one end of the upper main beam 43, 44 and the tip of the one end of the lower main beam 41, 42, and the other of the upper main beam 43, 44. There is no vertical member between the tip on the end side and the tip on the other end side of the lower-stage main beams 41 and 42.

  A steel rod in a diagonal direction is formed in a rectangular frame portion surrounded by the side pillar 53 or 54, the upper main beam 43 or 44, the lower main beam 41 or 42, and the end pillar 45, 46, 47 or 48. A reinforcing brace 70 is constructed.

  A rectangular frame-shaped portion surrounded by the pair of side pillars 53 and 54, the upper main beam 43 and the lower main beam 41, and the pair of side pillars 53 and 54, the upper main beam 44 and the lower main Reinforcing braces 70 are also installed in a diagonal direction on the rectangular frame portion surrounded by the beam 42. Each brace 70 is provided with a turnbuckle (not shown) for tension.

  A tie plate 80 for connection to the adjacent piping unit 40 is attached to the side surface of the tip portion on the one end side of each main beam 41 to 44. The tie plate 80 has a rectangular flat plate shape that is long in the longitudinal direction of the main beams 41 to 44.

  One end side in the longitudinal direction of the rectangular tie plate 80 is fastened to the main beams 41 to 44 by fastening bolts 84. The fastening bolt 84 extends in a direction perpendicular to the longitudinal direction of the main beams 41 to 44 and in the horizontal direction.

  A first hole 81 for inserting a bolt is provided on the other end side of the tie plate 80, and a second hole 82 for inserting a bolt is provided on the other end side of each main beam 41 to 44. It has been.

  In order to clarify the drawings, only one pipe 60 is shown in FIGS. 1 and 3, but in reality, a pipe is also installed on each carry beam 55 and first cross beam 50. .

  As shown in FIG. 3, a plurality of piping units 40 are arranged adjacent to each other in the longitudinal direction of the piping 60, and the main beams 41 to 44 of the piping units 40 and 40 and the piping 60 are connected to each other.

  As shown in FIGS. 4 and 5, in order to connect the adjacent piping units 40, 40, the tie plate 80 on one end side of the main beams 41 to 44 of one piping unit 40 is moved about the fastening bolt 84. It is turned 180 ° and passed to the other end side of the main beams 41 to 44 of the other piping unit 40, and a nut (not shown) is fastened to the first hole 81 and the second hole 82 through a fastening bolt 85. . Thereby, the piping units 40 are connected easily and firmly.

  Moreover, since the flanges 62 and 62 of each piping 60 and 60 will overlap when each piping unit 40 and 40 are connected, both are connected with a volt | bolt (not shown).

  Note that the entire length of the pipe 60 may be shorter than the main beam 41 to 44 by a predetermined length so that one end of the pipe 60 is retracted by a predetermined length from the tip of the main beam 41 to 44. In this case, an extendable pipe joint having an axial length of the predetermined length is interposed between the pipes 60 and 60 to be connected. This pipe joint is for absorbing thermal expansion of the pipe 60.

  In the piping unit 40 configured as described above and its connection structure, there is no vertical member that connects both ends of the main beams 41 to 44. Therefore, the rack is lightweight.

  In this embodiment, the strength of the rack is high because the brace 70 is provided. In addition, the brace 70 is lightweight and the weight increase accompanying brace installation is slight.

  According to this embodiment, the main beams 41 to 44 can be butted together and easily connected by the tie plate 80. Further, the pipes 60 can be easily butted together.

  That is, in this piping unit connection structure, the piping units 40 are connected to each other via the tie plate 80. Since the tie plate 80 is connected to the main beams 41 to 44 by the bolts 84 and 85, the connection strength between the piping units 40 and 40 is high. Further, the tie plate 80 of one piping unit 40 is rotated about 180 ° around the bolt 84, and the tie plate 80 is transferred to the main beams 41 to 44 of the other piping unit 40 and fastened with the bolt 85, whereby the piping unit 40. , 40 can be easily connected to each other, and the connection strength between the two is high.

  The above embodiment is an example of the present invention, and the present invention is not limited to the illustrated configuration.

It is a perspective view of a piping unit concerning an embodiment. It is a perspective view of the frame | skeleton frame of the rack of the piping unit of FIG. It is a perspective view which shows the coupling body of piping units. It is a perspective view which shows the connection method of main beams. It is a perspective view which shows the connection structure of main beams. It is a perspective view of the piping unit which concerns on a prior art example. It is a perspective view of the skeleton frame of the rack which concerns on a prior art example. It is a top view of the connection part of the piping units which concern on a prior art example. It is a perspective view of the connection part of the piping units which concern on a prior art example.

Explanation of symbols

40 Piping unit 41, 42 Lower main beam 43, 44 Upper main beam 45, 46 First end pillar 47, 48 Second end pillar 49, 50 First cross beam 51, 52 Second cross beam 53, 54 Side pillar 55 Carry beam 60 Piping 61 U bolt 62 Flange 70 Brace 80 Tie plate 81 First hole 82 Second hole 84 Fastening bolt 85 Fastening bolt

Claims (8)

A pair of parallel lower main beams on the lower side;
A pair of upper main beams parallel to the lower main beam;
A first end pillar erected on one end side of each main beam;
A second end pillar erected on the other end of each main beam;
A first cross beam constructed between the one end sides of the upper main beam and the one end sides of the lower main beam;
A second cross beam constructed between the other ends of the upper main beam and the other ends of the lower main beam;
In a piping unit in which piping is attached so as to extend in a direction parallel to the main beam with respect to a rectangular lattice rack having
One end side of the main beam extends in the longitudinal direction of the main beam from the first end pillar and the first cross beam,
The other end side of the main beam extends in the longitudinal direction of the main beam from the second end pillar and the second cross beam,
There is no vertical member between the tip on the one end side of the upper main beam and the tip on the one end side of the lower main beam,
A piping unit characterized in that no vertical member is present between the tip of the upper main beam on the other end and the tip of the lower main beam on the other end. In claim 1, while the middle of the longitudinal direction of the upper stage side main beam and the lower stage side main beam are connected by a vertical side pillar,
A piping unit characterized in that a reinforcing brace is constructed in a diagonal direction on a rectangular frame portion surrounded by the side pillar, the upper main beam, the lower main beam, and the end pillar. In claim 1, a plurality of locations in the longitudinal direction of the upper main beam and the lower main beam are connected by vertical side pillars,
A piping unit characterized in that a reinforcing brace is installed in a diagonal direction on a rectangular frame portion surrounded by a pair of the side pillars, an upper main beam and a lower main beam. In Claim 2 or 3, a carry beam is erected between the first end pillars, between the second end pillars, and between a pair of side pillars facing each other in the direction orthogonal to the main beam longitudinal direction. And
A piping unit, wherein the piping is attached to the carry beam. In any one of Claims 1 thru | or 4,
The distal end surface on one end side of the main beam and the distal end surface on the one end side of the pipe are flush with each other,
A pipe unit, wherein a tip surface on the other end side of the main beam and a tip surface on the other end side of the pipe are flush with each other. In any one of Claims 1 thru | or 5, the tie plate for connecting with the other end side of the main beam of the piping unit arrange | positioned adjacently is attached to the said one end side of each main beam,
The tie plate is a flat plate extending in the longitudinal direction of the main beam,
One end side of the main beam of the tie plate is fastened to the main beam by a fastening bolt, and the fastening bolt extends in a direction perpendicular to the longitudinal direction of the main beam,
A first hole for inserting a bolt is provided at the other end of the tie plate,
A piping unit, wherein a second hole for inserting a bolt is provided on the other end side of each main beam. The piping unit according to any one of claims 1 to 6 is arranged adjacent to the longitudinal direction of the piping,
A piping unit connecting structure characterized in that main beams and piping of each piping unit are connected. In Claim 7, the said piping unit is a piping unit of Claim 6,
The main beams of the adjacent piping units rotate the tie plate on one end of the main beam of one piping unit around the fastening bolt and pass it to the other end of the main beam of the other piping unit. A piping unit connecting structure characterized in that it is connected to the first hole and the second hole by tightening a nut through a fastening bolt.

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