JPS60222680A - Rail supporter - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) 0 Technical distribution of the invention The present invention provides for the construction of cable conduits, water pipes,
The present invention relates to a rail support device that supports a rail for running a pipe-laying truck for laying pipes such as gas pipes and sewer pipes.

(b), Technical Background In Japanese Patent Application No. 58-234842 and others, the applicant has laid a cable conduit into the pipe by running a cart for laying the cable along a rail provided above the pipe. However, if a rail to support the truck is provided at the top of the pipe, the problem is how to support the rail with respect to the pipe.

Normally, installed pipes are provided with bolt holes at an appropriate pitch, such as a 90' pitch, for connection fittings to connect the pipes. The most common method is

However, it is not known how the installed pipes will be buried underground, and therefore it cannot be said that the phases of the retaining means of adjacent installed pipes will necessarily match, but rather, it is more common for the phases to be out of sync. be.

In addition, laying heavy pipes so that the phases of their engagement means match will unnecessarily increase the number of work hours on site, and it is not appropriate to lay them in phase positions that are out of phase with each other. It has been desired to develop a rail support device that can install a rail on the top of a laid pipe.

(C)0Object of the Invention In order to eliminate the above-mentioned drawbacks, the present invention provides a rail support that can easily attach a rail to the top of a laying pipe even if the phases of the engaging means of the laying pipe do not match. The purpose is to provide a device.

(d) Configuration of the invention 0, that is, the present invention has a base plate capable of engaging with an engaging means provided on a laying pipe, a guide means is provided on the base plate in the inner circumferential direction of the laying pipe, and the guide To the means,
A rail support mechanism provided with a rail holding means for holding and folding the rail is provided so as to be movable and fixed along the inner periphery of the laying pipe.

(e) 0 Examples of the Invention Examples of the present invention will now be described in detail based on the drawings.

FIG. 1 is a front view showing one embodiment of the rail support device according to the present invention, FIG. 2 is a schematic diagram showing a pipeline installation site where the rail support device according to the present invention is used, and FIG. 3 is the same as FIG. 4 is a sectional view taken along the line ■-■ in FIG. 3, FIG. 5 is a view taken along the ■ arrow in FIG. 1, and FIG. FIG. 7 is a front view showing the joint bar, FIG. 8 is a perspective view showing how the rails are connected, and FIG. 9 is a front view showing the contact portion of the rail.

As shown in Fig. 2, the pipeline installation site 1 has a vertical shaft 3 lowered from the ground level 2, and from the vertical shaft 3, cylindrical installation pipes 5 are connected to each other in the horizontal direction. It is buried 17 times underground. As shown in FIG. 1, bolt holes 5a serving as engagement means are provided at 90° pitches along the inner periphery of the connecting portion of the laying pipe 5, that is, near both ends of the laying pipe 5, as shown in FIG. Furthermore, a rail support device 6 according to the present invention is provided on the top of each laying pipe 5. As shown in FIG. 1, the rail support device 6 has a base plate 7 formed along the inner circumferential surface 5b of the laying pipe 5, and at both ends of the base plate 7, as shown in FIG. A total of four bolt insertion holes 7a are drilled, two each. Also, base plate 7
As shown in FIG. 6, the pedestal 7b that contacts the installation pipe 5 in the center is located in the direction perpendicular to the plane of the paper in the figure, that is, the base plate 1.
Therefore, guide rails 7c, 7c are similarly formed in the longitudinal direction of the base plate 7 on both sides of the pedestal 7b. A rail support mechanism 9 is provided on the guide rail 70 so as to be movable along the guide rail 7C in the direction of arrow A1B in FIG. It has a rail holder 9a19a. Each rail holder 9a is
As shown in FIGS. 3 and 4, it has a pair of holding plates h9c in which rail engagement grooves 9b are formed, and each holding plate 9C has two threaded holes 9e through which they are screwed. They are connected by a connecting plate 9d.

In addition, brackets 9f, 9f are formed in the upper part of each rail holder 9a in FIG.
g and 9g are provided with penetrating screws, as shown in FIG. Further, between each rail holder 9a19a, a joint bar 22.22 has a shape in which bolts 10 screwed into each bolt hole 9g are passed through bolt holes 22a and elongated holes 22b drilled on both sides of the joint bar 22. Therefore, the elongated hole 22b allows the rail holder 9a on the right side of FIG. 3 to move in the directions of arrows A and B along the guide rail 7C within a certain range with respect to the rail holder 9a on the left side. I can do it.

(The following is a blank space) □ □ □ Moreover, in the rail holding space 23 of the rail support mechanism 9, a plurality of rail members 11x, 11. As shown in FIG. 8, the rail 11 configured by connecting the rail members 11 is fitted and supported, and the web end of one of the rail members 11x in the connected state has two guide plates 11a facing each other, as shown in FIG. The tips of both guide plates 11a and lla protrude forward in the figure to form a web insertion space 11 between the guide plates 11a and lla.
It forms b. In addition, the adjacent rail member 11x,
Connection plates 15 and 16 are welded and connected to the upper flanges of 117 so as to face each other, and the connection plate 15 has a protrusion 15a, and the connection plate 16 has a recess into which the protrusion 15a can fit and engage. 16a is formed.

Since the conduit installation site 1 has the above configuration, in order to lay the conduit in the installation pipe 5 buried underground 17,
First, it is necessary to lay the rails 11 that support the conduit-laying trolley for carrying the conduit into the pipe-laying pipe 5. rail 1
1 is installed at the top of the laying pipe 5 in the direction of arrow C in FIG. 2, which is the laying direction of the laying pipe 5, as shown in FIG. Attach the support device 6.

The rail support device 6 is attached to the base plate 7 at 4.
Install the bolt 13 through the hole 7a of the bolt hole 5 of the pipe 5.
However, the positions of the bolt holes 5a vary depending on the installation state of each installation pipe 5 and do not match. Therefore, with the base plate 7 attached to each installation pipe 5, the guide rail 7C of the base plate 7 is
The rail support mechanism 9, which is movably engaged in the A1B direction, is moved with the base plate 7 sandwiched between the bracket 9f and the connecting plate 9d, and each of the opposing rail holders 9
Rail 1 supported by rail engaging groove 9b of a, 9a
Adjust so that the center CL of 1 can coincide with the top of the installation pipe 5. In this way, when the positioning of the rail support mechanism 9 with respect to the base plate 7 is completed, the bolt 25 screwed into the connecting plate 9d of the rail holder 9a on the left side of FIG.
Tighten G' and attach the rail holder 9a to the base plate 7.
Fixed against. Then, only the rail holder 9a on the right side in FIG. 3 becomes movable within a certain range in the ASB direction via the long length 22'b of the cylinder bar 22. In this way, one rail holder 9a of all the rail support mechanisms 9 of the installation pipe 5 is fixed, the other rail holder 9a is made movable, and then the third rail holder 9a is moved.
A pair of holding plates 9 facing each other are moved to the rightmost side in the figure.
Rail holding space 23 formed by the retaining groove 9b etc. of C
is expanded, and the rail 11 is inserted and set into the expanded rail holding space 23 from below in FIG. rail 1
1 is set in the rail holding space 23, the other rail holder 9a, which had been moved to the far right (ζ) in the figure, is moved in the direction A along the elongated hole 22b, and the rail holding space 23 is moved. The rail 11 is held in the rail holding space 23, and therefore between the engagement grooves 9b, 9b.Third
When the rail holder 9a on the right side of the figure has moved in the A direction enough to hold the rail 11, tighten the bolt 25 on the connecting plate 9d of the rail holder 9a to fix the rail holder 9a to the base plate 7. Thus, the rail 11 is reliably supported with respect to the installation pipe 5.

In this way, by moving the rail support mechanism 9 along the base plate 7, no matter where the bolt holes 5a of the laying pipe 5 are located, it is easy to move the i-center CL of the rail 11 to the laying pipe 5. It can be held in a shape that matches the top of the

In addition, the rail members 11, 11V that constitute the rail 11
For mutual connection, as shown in FIG. 8, the web of the other rail member 117 is inserted into the web insertion space 11b consisting of the guide plates 11a and lla provided at the end of one rail member 11x. When you insert ′
In addition, the protrusion of the connection plate 15 of the rail member 11x'
This is done by inserting and engaging the portion 15m into the recess 16g of the connection plate 16 of the rail member 11. Connection plate 15.1
As shown in FIG. 9, the protruding portions 15a and the recesses 16a of the rail members 11.
1. : are connected to each other without shifting in the vertical direction in FIG. In this state, the rail members 11x, 11. Although the rail members 11x and 11.v may be welded together, the rail members 11x, 11.
are connected continuously in the left and right direction in Figure 9, that is, in the arrow direction and E direction, so once the rail member 11x111v is connected, it will not easily move in the E and F directions due to its own weight. ,Weld. Guide plate 11
Engagement only by a, lla and the connecting plates 15, 16 does not cause any practical problems.

In this way, as shown in FIG. 2, when the rail 11 is continuously laid to pass through each laying pipe 5, a pipe line supporting a plurality of pipe lines 21 is installed from the vertical shaft 3 to the rail 11. Set the trolley 20 so that the wheels 20a are engaged with the rail 11 as shown in FIG. The trolley 20 and the pipe line 21 are pushed in the direction of arrow C along the rail 11, and the pipe line 21 is laid inside the laid pipe 5. (The laying of the pipe Ws21 inside the laid pipe 5 is completed, Then, the pipe 5 is filled with concrete (containing only cement) to fix the conduit 21 in the pipe 5.

(f) 0 Effects of the Invention As explained above, according to the present invention, the base plate 7 that can be engaged with the engagement means such as the bolt hole 5a provided in the installation pipe 5 via the bolt 13 or the like is provided. A guide means such as a guide rail 70 is provided on the base plate 7 in the inner peripheral direction of the installation pipe 5 (that is, in the direction of arrows A and B), and the guide means is provided with a rail holder 9a capable of holding the rail 11.
Since the rail support mechanism 9 provided with a rail holding means such as the above is provided so as to be movable and fixed along the inner circumference of the installation pipe 5, bolt holes 5a provided at equal angular pitches on the inner circumferential surface 5b are provided.
Regardless of the phase of the engaging means such as It becomes possible to set the rail 11 accurately at the top of the laying pipe 5, and the work of laying the rail 11 can be carried out smoothly without increasing the number of man-hours on site.

[Brief explanation of the drawing]

FIG. 1 is a front view showing one embodiment of the rail support device according to the present invention, FIG. 2 is a schematic diagram showing a pipeline installation site where the rail support device according to the present invention is used, and FIG. 3 is the same as FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3, FIG. 5 is a view in the direction of the ■ arrow in FIG. 1, and FIG. FIG. 7 is a front view showing the joint bar, FIG. 8 is a perspective view showing the connected state of the rails, and FIG. 9 is a front view showing the connecting portion of the rails. 5... Laying pipe 5a... Engaging means (bolt hole) 5b... Inner peripheral surface 6... Rail support device 7... Base plate 7c. ...Guide means (guide rail) 9...
...Rail support mechanism 9a...Rail holding means (rail holder) Applicant Mitsui Construction Co., Ltd. Agent Patent attorney Phase 1) Shinji:; Fig. 5 Fig. 6 Fig. 7

Claims (1)

[Claims] The above-mentioned engaging means 1 is attached to a laid pipe having a plurality of engaging means provided on the inner circumferential surface.
A rail support device in which the attachment 9 is supported through a coupling means, has a base plate capable of engaging with the engagement means provided on the laying pipe, and has a guide means on the base plate in the inner circumferential direction of the laying pipe. A rail support device comprising a cough guide means and a rail support mechanism provided with a rail holding means capable of holding the rail so as to be movable and fixed along the inner periphery of a laid pipe.