JP2004162741A - Pipe supporting device and pipe supporting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pipe supporting device capable of reducing work time and cost when supporting and fixing a pipe. <P>SOLUTION: This pipe supporting device is provided with a ringlike supporting part supporting the pipe from the circumferential direction of pipe, a flat plate part 14 for fixing the ringlike supporting part on a fixed basement, and a height adjusting mechanism for adjusting mounting height for the fixed basement in the flat plate part 14. The height adjusting mechanism is provided with an anchor bolt 40 buried in the fixed basement and a female screw member 41 movable along the axial direction of the anchor bolt 40. The flat plate part 14 can move in the interlocking relationship with moving of the female screw member 41. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a pipe support device including a ring-shaped support portion for supporting a pipe from a pipe peripheral direction, and a base portion for attaching the pipe supported by the ring-shaped support portion to a fixed base. Pipe support method.
[0002]
[Prior art]
A pipe supporting device is used to support an exposed pipe in a tunnel, a common ditch, a water purification plant, and the like. An example of such a pipe support device is a support device disclosed in Japanese Patent Application Laid-Open No. 2002-243066 by the present applicant. With this support device, the piping can be fixed to a fixed base such as a floor surface or a wall surface.
[0003]
[Patent Document 1]
JP-A-2002-243066 (FIGS. 1, 3, and 4)
[Problems to be solved by the invention]
However, the above-mentioned fixed base such as the floor surface (ground) and the wall surface is not always flat, but has gentle irregularities. That is, the position where the pipe is to be fixed is not always at the same height from the fixed base. Therefore, an adjusting mechanism for absorbing such a difference in height is required. Such a conventional adjusting mechanism will be described with reference to FIG.
[0004]
In FIG. 8, a pipe 100 is supported by a pipe support device 101 in a horizontal direction. The pipe support device 101 includes a ring-shaped support portion 101a for supporting the pipe 100 from the pipe peripheral direction, and a base portion 101b for fixing the same to a floor K serving as a fixed base. Since the distance between the pipe 100 and the floor surface K varies depending on the location, in order to absorb the height, a steel material 102 is used in (a), and a concrete 103 with a reinforcing bar is cast in (b). However, the use of such a steel material or concrete increases the working time and cost.
[0005]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a pipe support device and a pipe support method that can reduce work time and cost when supporting and fixing a pipe.
[Means for Solving the Problems]
In order to solve the above problems, a pipe support device according to the present invention is provided.
A ring-shaped support portion for supporting the pipe from the pipe peripheral direction,
A base portion for attaching the pipe supported by the ring-shaped support portion to a fixed base,
A height adjusting mechanism for adjusting a mounting height of the base portion to the fixed base.
[0006]
According to this configuration, when attaching the base portion to the fixed base, the height can be adjusted by the height adjustment mechanism. That is, even if the fixed base has irregularities, the mounting height position of each pipe support device can be adjusted by the height adjustment mechanism. Therefore, it is not necessary to adjust the height with steel or concrete. As a result, it is possible to provide a pipe supporting device capable of reducing the working time and cost when supporting and fixing the pipe.
[0007]
As a preferred embodiment of the present invention, the height adjusting mechanism includes an anchor bolt driven into a fixed base, and an adjusting member movable along the axial direction of the anchor bolt. The base portion is also configured to be movable in conjunction with the movement of the base.
[0008]
The anchor bolt is fixed in position by being embedded in the fixed base. An adjusting member movable along the axial direction of the anchor bolt is provided. Therefore, the adjusting member may be set at an appropriate position along the axial direction so that the pipe can be supported in an appropriate posture.
[0009]
As another preferred embodiment of the present invention, the base portion includes a flat plate portion formed with a through hole for penetrating an anchor bolt,
The adjusting member has an insertion portion having an outer diameter that can be inserted into the through-hole, a retaining portion formed at one end of the insertion portion and having an outer diameter larger than the through-hole, and an other end of the insertion portion. A nut screwing portion to which a fixing nut having an outer diameter larger than the through hole can be screwed; wherein the flat plate portion is sandwiched between a retaining portion of the adjusting member and the fixing nut.
[0010]
According to this configuration, since the base portion (flat plate portion) is held between the adjusting member and the fixing nut inserted into the through hole, when the adjusting member is moved along the axial direction of the anchor bolt, the base portion is also moved. Moving. Thus, the height can be adjusted by a simple mechanism.
[0011]
As another preferred embodiment of the present invention, an insertion portion of the adjustment member has a cut portion formed in an outer peripheral direction.
[0012]
After the adjustment by the height adjusting mechanism provided on the anchor bolt is completed, the periphery of the anchor bolt is filled with a filler and fixed. In this case, if a cut portion is formed in the outer peripheral direction of the insertion portion, the filler also enters the cut portion. Thereby, the pipe support device can be securely fixed to the fixed base.
[0013]
As still another preferred embodiment of the present invention, there is provided a structure in which, when the pipe is supported from the circumferential direction of the pipe by the ring-shaped support portion, a blocking mechanism for preventing the pipe from moving along the pipe axis direction is provided. Can be
[0014]
When the pipe has a bent portion, an uneven force acts on the joints of the plurality of pipes due to the fluid pressure in the pipes. Due to this non-average force, a force is applied to the joint portion of the pipe along the axial direction of the pipe. Therefore, by providing a blocking means for preventing the pipe from moving along the pipe axis direction, the pipe can be reliably supported.
[0015]
A pipe support method for supporting a pipe using the pipe support device according to the present invention,
Placing an anchor bolt against the fixed base;
Adjusting the height of the base,
Supporting the pipe on a ring-shaped support;
Setting the formwork in a position to attach the base on the fixed base;
And filling the mold with a filler in an appropriate order.
[0016]
According to such a pipe support method, after adjusting the height of the base portion of the pipe support device, the pipe is supported by the ring-shaped support portion. After the height adjustment, the filling material is filled in the set mold. Thereby, the pipe support device can be reliably fixed to the fixed base.
[0017]
In a preferred embodiment of the present invention, the filler is a non-shrink mortar. Since the non-shrink mortar hardly shrinks in the course of hardening, the mortar can reliably hold the pipe support device even after hardening.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
A preferred embodiment of a pipe support device according to the present invention will be described with reference to the drawings. 1 to 5 show the configuration of the pipe support device. 1 is a front view (viewed in the tube axis direction), FIG. 2 is a sectional view taken along line AA of FIG. 1, FIG. 3 is a side view, FIG. 4 is a sectional view taken along line BB of FIG. 1, and FIG. is there.
[0019]
<Basic configuration of piping support device>
The pipe 1 is supported by the pipe support device according to the present invention. The pipe support device supports the pipe by arranging the pipe at appropriate intervals. The pipe support device includes a first pipe support 10 and a second pipe support 20. The first pipe support section 10 is located below the pipe body 1, and has a semicircular first pipe receiving section 11 having an inner diameter slightly larger than the outer diameter of the pipe body 1, in a direction perpendicular to the pipe direction. It has a first reinforcing rib 12 formed and a second reinforcing rib 13 formed in the pipe direction. The lowermost surface of the first tube supporting portion 10 is a flat plate portion 14 functioning as a base portion. The plate portion 14 is formed with four through holes 15. Using this flat plate portion 14, the pipe is fixed to the fixed base.
[0020]
The second pipe support 20 is located above the pipe 1, and is provided with a semicircular second pipe receiver 21 having an inner diameter slightly larger than the outer diameter of the pipe 1. The first pipe receiving part 11 and the second pipe receiving part 21 constitute a ring-shaped support part that supports the pipe from the pipe peripheral direction. As shown in FIG. 1, a flange portion 16 formed on the first pipe support portion 10 and a flange portion 22 formed on the second pipe support portion 20 are faced to each other, and the two are joined by a bolt / nut mechanism 23. can do.
[0021]
Next, a description will be given of a blocking mechanism for preventing the tube body 1 from moving along the tube axis direction due to the non-average force. Therefore, 12 internal thread portions 31 are formed in the circumferential direction of the tube 1. As shown in FIG. 3, the female screw portions 31 are provided at two places (two rows) along the pipe axis direction. The male screw member 30 is screwed into the female screw portion 31. The distal end portion 30a of the male screw member 30 is sharply formed, and acts to bite into the outer surface of the tubular body 1. Thereby, the movement of the tube body 1 in the tube axis direction can be prevented.
[0022]
Further, as shown in FIG. 2, a caulking agent 25 is filled to fill a gap formed between the surface of the tube 1 and the second tube support 20 (the same applies to the first tube support 10). . Reinforcing ribs 24 are also formed on the second pipe support 20, and have a shape that is continuous with the first reinforcing ribs 12 of the first pipe support 10.
[0023]
<Configuration of height adjustment mechanism>
Next, the height adjusting mechanism will be described. In a tunnel where pipes are laid, a common ditch, a water purification plant, and the like, a fixed base such as a floor surface (ground) or a wall surface is not always flat, but has irregularities. That is, the position where the pipe is to be fixed is not always at the same height (distance) from the fixed base. Therefore, an adjusting mechanism for absorbing such a difference in height (distance) is required. The present invention intends to provide such a height adjusting mechanism with a simple configuration. FIG. 6 is a diagram illustrating a configuration of the height adjustment mechanism.
[0024]
As shown in FIG. 6, an anchor bolt 40 is provided, which is driven and embedded in a fixed base. The anchor bolt 40 has an external thread formed on the outer periphery. A female screw member 41 (corresponding to an adjusting member) is screwed to the anchor bolt 40 and is movable along the axial direction of the anchor bolt 40.
[0025]
The female screw member 41 includes a retaining portion 41a, an insertion portion 41b, a nut screw portion 41c, a tool action portion 41d, and a notch portion 41e. The retaining portion 41 a has a larger outer diameter than the through hole 15 formed in the flat plate portion 14. The insertion portion 41b has an outer diameter smaller than the through hole 15 and can be inserted into the through hole 15. A male screw is formed on the outer diameter portion of the nut screw 41, and the fixing nut 42 is screwed. The fixing nut 42 has an outer diameter larger than the through hole 15. The tool action portion 41d has a hexagonal shape, and can be mounted with a tool. By mounting a tool here, the female screw member 41 can be rotated. FIG. 7 is a diagram of the female screw member 41 as viewed from below in the axial direction. As can be seen from this figure, cutouts 41e are formed at a plurality of locations on the outer periphery of the retaining portion 41a and the insertion portion 41b at a predetermined pitch.
[0026]
The height adjusting mechanism shown in FIG. 6 is provided at four locations on the base portion (the flat plate portion 14). As shown in FIG. 6, the flat plate portion 14 is assembled so as to be sandwiched between the retaining portion 41 a of the female screw member 41 and the fixing nut 42. When the female screw member 41 is rotated, the female screw member 41 moves along the axial direction of the anchor bolt 40, so that the flat plate portion 14 also moves. That is, the portion other than the anchor bolts 40 of the pipe support device moves with respect to the fixed base K, so that the mounting height of the pipe can be adjusted. After adjusting the height, the periphery of the flat plate portion 14 is surrounded by the mold 43, and the non-shrinkable mortar M is poured into the inside of the mold 43. When the non-shrink mortar M is used, no gap due to shrinkage is generated after curing, so that the pipe support device can be firmly fixed. In this case, since the non-shrinkable mortar M enters the notch 41b, the female screw member 41 is prevented from rotating carelessly, and can be fixed more firmly.
[0027]
In order to increase the adjustment width, the length of the anchor bolt 40 may be sufficiently long. That is, from the minute adjustment to the large adjustment can be performed according to the uneven shape of the fixed base K. Further, as shown in FIG. 6, a gap S is formed between the outer diameter portion of the insertion portion 41b and the through hole 15. This is because even if a slight misalignment occurs at the installation site of the four anchor bolts 40 at the construction site, the misalignment can be absorbed by providing the gap S.
[0028]
<Construction method>
Next, a description will be given of a construction procedure in a case where the pipe is supported using the pipe support device. The height adjustment mechanism is removed from the pipe support device. First, the anchor bolts 40 are driven into the fixed base at four locations. Next, the female screw member 41 and the fixing nut 42 are loosened and disassembled. Four female screw members 41 are screwed into each anchor bolt 40. The female screw member 41 may be screwed to an approximate position. The first pipe support 10 of the pipe support device is attached to each anchor bolt 40. In this case, the fixing nut 42 is also inserted into the anchor bolt 40 and temporarily fixed.
[0029]
Next, centering is performed with a transit, and the height of the female screw member 41 is finely adjusted. After the fine adjustment, the fixing nut 42 is connected to the nut screw portion 41c of the female screw member 41. Thereby, the height of the base portion (the flat plate portion 14) is determined. Next, the pipe body 1 is placed in the first pipe support section 10, and then the second pipe support section 20 is set from above, and connected to the first pipe support section 10 by the bolt / nut mechanism 23. Further, the male screw member 30 is screwed into the female screw portion 31 formed on the first and second pipe support portions 10 and 20. Thereby, the tube 1 is firmly fixed. Next, the mold 43 is set, filled with the non-shrinkable mortar M, and cured. The space S is also filled with the non-shrinkable mortar M through the notch 41b, so that the horizontal movement of the tube 1 can be prevented.
[0030]
<Another embodiment>
(1) The configuration of the pipe support device is not limited to the one disclosed in the present embodiment, and various configurations disclosed in, for example, JP-A-2002-243066 can be adopted. Various configurations can be similarly adopted for the blocking mechanism. Note that the blocking mechanism is not necessarily required in an environment where the non-average force does not act.
[0031]
(2) The pipe support device is not limited to a device installed on a fixed base in the horizontal direction, and can be used, for example, when a side wall in a tunnel is used as a fixed base. The height direction in this case corresponds to the horizontal direction.
[0032]
(3) The configuration of the height adjustment mechanism is not limited to the structure of the present embodiment, and various modifications are possible. For example, the number of anchor bolts need not be four. The shape of the flat plate portion 14 need not be square or rectangular. Various modifications of the shape of the female screw member 41 are also conceivable.
[Brief description of the drawings]
FIG. 1 is a front view showing the configuration of a pipe support device. FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1. FIG. 3 is a side view showing the configuration of the pipe support device. FIG. 5 is a perspective view showing a configuration of a pipe support device. FIG. 6 is a diagram showing a detailed configuration of a height adjusting mechanism. FIG. 7 is a diagram showing a configuration of a female screw member shown in FIG. Figure [Explanation of symbols]
Reference Signs List 1 pipe 10 first pipe support 11 first pipe receiver 14 flat plate 15 through hole 20 second pipe support 21 second pipe receiver 40 anchor bolt 41 female screw member 41a retaining part 41b insertion part 41c nut screwed Part 41d Tool working part 41e Cut part 42 Fixing nut 43 Formwork K Fixing base M Non-shrink mortar

Claims (7)

A ring-shaped support portion for supporting the pipe from the pipe peripheral direction,
A base portion for attaching the pipe supported by the ring-shaped support portion to a fixed base,
A height adjusting mechanism for adjusting a mounting height of the base to the fixed base; The height adjustment mechanism includes an anchor bolt driven into a fixed base, and an adjustment member movable along an axial direction of the anchor bolt, and the base portion interlocks with movement of the adjustment member. The piping support device according to claim 1, wherein the pipe support device is also configured to be movable. The base portion includes a flat plate portion formed with a through hole for penetrating the anchor bolt,
The adjusting member has an insertion portion having an outer diameter that can be inserted into the through-hole, a retaining portion formed at one end of the insertion portion and having an outer diameter larger than the through-hole, and an other end of the insertion portion. 3. A nut screwing portion capable of screwing a fixing nut having an outer diameter larger than the through hole, wherein the flat plate portion is sandwiched between a retaining portion of the adjusting member and the fixing nut. A pipe support device according to item 1. The pipe support device according to claim 3, wherein a cut portion is formed in an outer peripheral direction in an insertion portion of the adjustment member. 5. The pipe according to claim 1, further comprising a blocking mechanism for preventing the pipe from moving along the pipe axis direction when the pipe is supported from the pipe peripheral direction by the ring-shaped support portion. The pipe support device according to item 1. A pipe support method for supporting a pipe using the pipe support device according to any one of claims 2 to 5,
Placing an anchor bolt against the fixed base;
Adjusting the height of the base,
Supporting the pipe on a ring-shaped support;
Setting the formwork in a position to attach the base on the fixed base;
Filling the mold with a filler in an appropriate order. The method according to claim 6, wherein the filler is a non-shrink mortar.

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