JP2003021272A - Spring hanger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To read a scale even where and in whatever direction a spring hanger is installed. SOLUTION: A piston plate 4 is supported by a coil spring 5 inside a cylindrical spring hanger case 1. A hanger rod 6 supported by the piston plate 4 is suspended from the inside center of the case 1. A turnbuckle 7 is hung on the hanger rod 6, and a sling bolt, 12 is fixed on the lower end of the turnbuckle 7 and inserted into a piercing hole 10a on the bottom face of an index plate 10 from a lower part of the turnbuckle 7 for fixing it by a lock nut 11. A side face of the index plate 10 has the scale. An ear 8 weldingly connected on an upper cover 2 is connected at a load point such as a support beam, and the sling bolt 12 is fixed on the support structure side such as a piping. Accordingly, arranging position of side face of the index plate 10 having the scale can be optionally changed and then in daily checks, the scale on side face of the index plate 10 can easily be checked from optional directions for early detection of abnormality of the hanger and the support structure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spring hanger for supporting structures such as various devices and pipes without restraining heat transfer.

[0002]

2. Description of the Related Art A conventional spring hanger is shown in a side view of FIG. 4 and a sectional view taken along the line BB of FIG. A piston plate 24 is provided in a space surrounded by a cylindrical spring hanger case 21, its upper cover 2 and lower cover 3.
The coil spring 5 in which the piston plate 24 is placed on the upper end and the lower end is fixed on the lower cover 3 is housed. In addition, a display side index plate 2 having a scale written on a part of the side wall surface of the spring hanger case 21.
0 is provided.

A hanger rod 6 whose end is supported by a piston plate 24 is suspended in the center of the inside of a cylindrical spring hanger case 21. Hanger rod 6
A turnbuckle 7 is suspended at the lower end of the.
An ear 8 is welded and connected to the upper cover 2.

A spring hanger is installed by connecting the ear 8 to a not-shown ear at a load point such as a support beam with a pin or the like, and a supporting structure such as piping is connected to the turnbuckle side to complete the installation of the spring hanger.

The tip of the piston plate 24 is shaped so as to serve as a guide for the scale of the index plate 20,
The pointer portion of the piston plate 24 is configured to indicate the scale of the index plate 20 on the side surface of the case 21 via the slit 21a provided on the side wall of the case 21.
The support structure connected to the turnbuckle 7 side resists the urging force of the coil spring 5 due to the weight of the support structure.
Move up and down. Therefore, piston plate 2
The scale of the index plate 20 can be read by the pointer at the tip of No. 4.

Before mounting the structure such as piping on the spring hanger, the piston plate 24 should be installed.
Is fixed by a lock pin 9 from the outside of the case 21 so as not to move up and down, and after the installation is completed, the lock pin is removed to make the piston plate 24 movable.

[0007]

Since the index plate 20 of the conventional spring hanger is provided on the side wall surface of the case 21, the scale of the index plate 20 indicated by the pointer at the tip of the piston plate 24 will be read. However, there were some places that could not be read.

If the scale of the index plate 20 cannot be read, it may not be possible to monitor the applicability of the hanger itself or the legitimacy of the hanger application device.

An object of the present invention is to make it possible to read the scale even if the spring hanger is installed in any place and direction.

[0010]

The above-mentioned object of the present invention can be achieved by providing the index plate with a rotatable structure.

The present invention provides a cylindrical spring hanger case, an upper cover thereof, a lower cover thereof, a piston plate housed in a space surrounded by the spring hanger case, the upper cover and the lower cover, and the piston. A coil spring with the plate placed on the upper end and the lower end fixed on the lower cover, a hanger rod supported at the end by the piston plate, and hanging down to the center inside the cylindrical spring hanger case, and the lower end of the hanger rod. Connection between a turnbuckle penetrating the lower cover and suspended outside the case, an L-shaped cross-section index plate rotatably supported by the turnbuckle portion, and a connected member connected on the upper cover. With a sling bolt for connecting the ear for the car and the structure provided at the lower end of the turnbuckle. Is Guhanga.

Here, the index plate has a bottom portion provided with a through hole which is temporarily fixed on the turnbuckle after passing through the turnbuckle, and a side portion with a scale which can be arranged around the turnbuckle. It is possible to use an L-shaped one when viewed from the side.

[0013]

According to the present invention, the index plate is separated from the spring hanger case, and when the sling bolt is incorporated into the hanger at the site where the spring hanger is installed, the index plate is set in the direction visible from the corridor or the like and fixed with a lock nut or the like.

The index plate incorporated between the turnbuckle and the lock nut can be rotated by loosening the lock nut. Further, since the lower cover is provided with through holes for the hanger rod and the turnbuckle, the index plate can be turned with respect to the entire circumferential direction.

Therefore, in any case, by reading the scale of the index plate, it becomes possible to inspect the structure suspended on the spring hanger.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION A spring hanger according to an embodiment of the present invention is shown in FIG. 2 which is a side view of FIG. 1 and a sectional view taken along the line AA of FIG. A perspective view of the index plate is shown in FIG.

A piston plate 4 and the piston plate 4 are placed on the upper end portion in a space surrounded by a cylindrical spring hanger case 1, an upper cover 2 and a lower cover 3 thereof, and a lower end portion is placed on the lower cover 3. The fixed coil spring 5 is stored.

A hanger rod 6 whose end is supported by the piston plate 4 is suspended in the center of the inside of the cylindrical spring hanger case 1. A turnbuckle 7 is hung outside the case 1 through the lower cover 3 at the lower end of the hanger rod 6. A sling bolt 12 is provided at the lower end of the turnbuckle 7, and an ear 8 is welded and connected to the upper cover 2.

The index plate 20 described in the prior art is provided on the side wall surface of the case 21, but in the present embodiment, as shown in FIG.
0 is L-shaped in a side view, a through hole 10a is provided on the bottom surface, and a scale is provided on the side surface.

Then, the turnbuckle 7 is inserted from below into the through hole 10a in the bottom surface of the index plate 10,
Then, the sling bolt 12 is screwed into the turnbuckle 7. The bottom surface of the index plate 10 is fixed with a lock nut 11 that is screwed into a sling bolt 12. When the bottom surface of the L-shaped index plate 10 is fixed by the lock nut 11 in a side view, the side surface is arranged along the hanger rod 6 and the turnbuckle 7.

When the spring hanger is installed by connecting the ear 8 to a not-shown ear at a load point such as a support beam with a pin or the like, and the sling bolt 12 is attached to the support structure side, the installation of the spring hanger is completed.

Before the installation is completed so that the structure such as the pipe is hung on the spring hanger, the piston plate 4 is fixed by the lock pin 9 from the outside of the case 1 so as not to move up and down, and after the installation is completed. The lock pin 9 is removed to make the piston plate 4 movable.

According to the above construction, since the mounting direction of the index plate 10 can be freely changed around the longitudinal direction of the turnbuckle 7, the arrangement position of the side surface having the scale can be freely changed. It is easy to check the scale on the side surface of 10 from any direction.

Thus, this embodiment is effective for early detection of abnormalities in the spring hanger and the support structure.

Further, in the prior art shown in FIGS. 4 and 5, the slit for actuating the piston plate 24 which also serves as the pointer is provided on the side surface of the case 21, but in the present embodiment, the slit is provided in the spring hanger case 1. There is no need to install it on the side surface, and there is no risk of rainwater entering it. Therefore, the spring hanger has higher corrosion resistance than before.

[0026]

According to the present invention, since the index plate can be turned along the mounting direction, it is possible to easily confirm the indicator in daily inspection, and to detect the abnormality of the spring hanger and the supporting structure at an early stage. You can

Further, there is no possibility that rainwater will enter the spring hanger case, and the corrosion resistance of the spring hanger will be better than before.

[Brief description of drawings]

FIG. 1 is a front view of a spring hanger according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view of an index plate of the spring hanger according to the embodiment of the present invention.

FIG. 4 is a front view of a conventional spring hanger.

5 is a cross-sectional view taken along the line BB of FIG.

[Explanation of symbols]

1 Spring Hanger Case 2 Upper Cover 3 Lower Cover 4 Piston Plate 5 Coil Spring 6 Hanger Rod 7 Turnbuckle 8 Ear 9 Lock Pin 10 Index Plate 10a Through Hole 11 Lock Nut 12 Sling Bolt

Claims (2)

[Claims] 1. A cylindrical spring hanger case, an upper cover thereof, a lower cover thereof, a piston plate housed in a space surrounded by the spring hanger case, the upper cover and the lower cover, and the piston plate. Is placed on the upper end and the lower end is fixed on the lower cover, the end is supported by the piston plate, and the hanger rod hangs in the center of the inside of the cylindrical spring hanger case, and the lower end of the hanger rod. A turnbuckle penetrating the lower cover and suspended outside the case, and a cross section L rotatably supported by the turnbuckle portion.
It is characterized in that it is provided with a character-shaped index plate, an ear for connecting with a connected member connected on the upper cover, and a sling bolt for connecting with a structure provided at the lower end of the turnbuckle. Spring hanger. 2. The index plate comprises a bottom portion provided with a through hole that is temporarily fixed on the turnbuckle after passing through the turnbuckle, and a side portion with a scale that can be arranged around the turnbuckle. The spring hanger according to claim 1, wherein the spring hanger has an L shape in side view.