JPS61282639A - Flastic supporter - Google Patents

Abstract

PURPOSE:To obtain easy assembling of an elastic supporter, which protects a structure for nuclear power equipment from the earthquake, to a stable board by providing a screw to the central part of a flange, thereby forming the flange into a shape which allows the flange to be fastened by the screw. CONSTITUTION:An elastic supporter 10 is formed by fixing flanges 12 and 13 to both upper and lower ends of a part consisting of both a rubber elastic member 5 and a laminated elastic part formed by laminating a reinforcing plate 6 alternately. A male screw is formed at the center of the flange 12, while a female screw 15 is formed at the center of the flange 13. Both upper and lower flanges 12 and 13 are hexagonal so that both can be fastened by a wrench. With this contrivance, the supporter 10 can be fixed to a stable board 16 easily, thereby reducing the assembling man-hour.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to an elastic support used in a vibration absorbing support device that reduces energy such as earthquakes and vibrations transmitted between a foundation and structures such as buildings and machines. Regarding.

[Prior art]

When protecting structures such as buildings or buildings for nuclear power or computer equipment from earthquakes, or when supporting a stand for the installation of precision machinery that resists vibration, vibration absorbing support devices that reduce vibration energy are used.

As this type of vibration absorbing support device, as shown in FIGS. 1 and 2, an elastic support 3 is used between base #1 and structure 2.
There is a type in which a structure is supported by an elastic support.

Each elastic support 3 is fixed to a stable plate 4 made of a rigid material such as a steel plate.

That is, in the illustrated example, the elastic supports 3 of two upper and lower stages are connected at four locations by three stabilizing plates 4.

Each elastic support 3 has a structure in which a fixing flange 7.7 is fixed to the upper and lower ends of a laminated rubber layer in which a rubber-like elastic material 5 and reinforcing plates 6 such as steel plates are alternately laminated.

By the way, in the conventional elastic support 3, as shown in the figure, the peripheral part of the flange 7 and the corresponding part 6 of the stable plate 4
The elastic support 3 and the stabilizer plate 4 were assembled by forming holes at ~8 locations and inserting bolts 8 into these holes to fasten the elastic support 3 and the stable plate 4.

However, this method of assembly has the problem that it requires a large number of assembly steps because it is fixed with a large number of bolts 8, and that it is difficult to tighten the bolts on the inside (the OA part in Figure 2). there were.

In addition, it is necessary to machine a large number of holes in the stabilizer plate 4 and the flange 7, and the pitch accuracy of these holes is also required, resulting in the problem of a large number of machining steps, and the difficulty in aligning the bolt holes of the stabilizer plate 4 and the flange 7. There were also problems.

〔the purpose〕

An object of the present invention is to provide an elastic support that can solve the problems of the prior art, is easy to assemble to a stable plate, and can significantly reduce the number of parts required for assembly.

〔overview〕

The present invention provides a screw (male or female thread) at the center of the flange fixed to the top and bottom of the elastic support, and the flange is made into a shape such as a polygon that can be fastened with a screw, and the mounting hole formed on the stable plate is provided. The above object is achieved by the configuration in which the threaded portion is fastened using the threaded portion.

〔Example〕

The present invention will be specifically described below with reference to the drawings.

3 and 4 show a central vertical section and a plane of an elastic support 10A according to a first embodiment of the present invention.

In FIGS. 3 and 4, the elastic support 10A has a structure in which flanges 12 and 13 are fixed to the upper and lower end surfaces of a laminated elastic part 11 in which rubber-like elastic materials 5 and reinforcing plates 6 are alternately laminated, and The flange 12 has a male thread 14 in its center.
are integrally formed, and a lower flange 13 (7) and a female thread 15 are formed in the center. Upper and lower flanges 1
2.13 has a hexagonal shape that can be tightened with a spanner or the like as shown in FIG.

Note that each rubber-like elastic material 5 and reinforcing plate 6 made of metal or plastic are integrated by bonding or vulcanization, and the upper and lower flanges 12 and 13 are also integrated by bonding or vulcanization. It is fixed.

FIG. 5 shows a central longitudinal section of an elastic support 10B according to a second embodiment of the present invention.

This elastic support 10B differs from the first embodiment in that both the upper and lower flanges 12, 12 have a male thread 14 in the center, and all other parts have substantially the same structure.

Therefore, corresponding parts will be designated by the same reference numerals and their description will be omitted.

FIG. 6 shows a central longitudinal section of an elastic support 10C according to a third embodiment of the present invention.

This elastic support 10C differs from the first and second embodiments in that both the upper and lower flanges 13.13 have female threads 15 at their centers, and all other parts have substantially the same structure. Therefore, corresponding parts of this elastic support 10G are designated by the same reference numerals, and their explanations will be omitted.

The three types of elastic supports 10A, 10B, and IO explained above
C is used by being fixed to a stable plate made of steel plates, etc., and as a whole constitutes a vibration absorbing support device for supporting structures such as buildings and machines. Various vibration absorbing support devices can be constructed.

7 and 8 are longitudinal sectional views illustrating a vibration absorbing support device constructed by assembling the elastic support 10 (any one of the three types of elastic supports 10A, IOB, and 10C) according to the present invention. and a plan view.

This vibration absorbing support device has elastic supports 1 at four locations.
0 are stacked in three tiers, and the flanges (12 or 13) at the same level of each elastic support are connected to a common stable plate (such as a steel plate) 16.
In other words, the structure uses four stabilizing plates 16 as shown in the figure. One or more of such vibration absorbing support devices are installed on a foundation 17, and a structure 18 such as a building or a machine is installed on top of the foundation 17.

Next, a vibration absorbing support device such as the one shown in FIG. 7 and FIG.
Elastic support body 1 when applying the present invention to gt type
Various types of assembly of 0A, IOB, and IOC will be explained in terms of modes (examples of use).

Figure 9 shows one use.

In FIG. 9, a screw hole 19 is formed in the lowermost stable plate 16A, and the male screw 14 of the elastic support 10A is screwed into the screw hole 19 to fix the first stage elastic support.

A second stable plate 16B with a hole 20 formed thereon is placed, and the male screw 14 of the elastic support 10B is inserted from above and screwed into the female screw 15 of the first elastic support 10A, so that they are connected to each other. Secure by tightening the screws.

Next, the third stable plate 16C in which the hole 20 is formed is placed in a state where it is fitted to the upper male screw 14 of the second stage elastic support 10B, and Female thread 15
are screwed into the male screw 14 to fasten and fix them together.

Next, place the topmost stable plate 16D in which the hole 21 with the upper countersunk seat is formed, and insert the countersunk screw 22, which is a separate part, into the hole 21.
1 and screw it into the female thread 15 to attach the stable plate 1.
Fasten and secure 6D.

The elastic supports 10A, IOB, and IOC are fixed by using a tool such as a spanner to fasten flanges 12 and 13 that have a polygonal (hexagonal shape in the illustrated example) shape that can be fastened with screws.

FIG. 10 shows another example of use.

In FIG. 10, the same elastic support 10A is used in each stage, and in this case, each elastic support 10A is attached to each stable plate 16A, 16B, and 1 in the same manner as in the case of FIG.
6C and 16D to form a three-stage vibration absorbing support device having substantially the same functions. It is clear from the above two usage examples (by partially changing the usage example in Figure 9, the elastic support is moved from the lower stage to the upper stage by IOB,
10A, IOC or IOB, IOC.

It is also possible to assemble the vibration absorbing support device using an appropriate combination and procedure other than the usage example described above, taking into consideration workability etc., such as fixing in the order of 10A.

Further, in the above usage example, the case of stacking three stages was explained, but the elastic supports 10A, 10B, and IOC according to the present invention can be similarly used in the case of a single stage or a plurality of stages other than three stages.

According to the embodiment described above, the upper and lower flanges, the jig 12.
Since a screw (male or female thread) is provided in the center of the flange 13, it can be easily attached to the stable plate 16, and the bolts and nuts required with conventional flanges are no longer required, reducing the number of parts. Also, the number of assembly steps can be reduced.

Moreover, since the flanges 12 and 13 are shaped into a hexagonal shape that can be screwed together, they can be easily fixed with a tool such as a spanner.

Furthermore, the screws formed on the upper and lower flanges 12 and 13 are male threaded 14 and female threaded 15, or both are made male threaded 14 or female threaded 15, and three types of elastic supports 10A, IOB
By preparing an IOC, it is possible to select an advantageous combination by considering the work environment, assembly procedure, or number of stages.

In the illustrated embodiment, the flanges 12 and 13 have a hexagonal shape, but any shape that can be fastened with a spanner or other suitable tool may be used, such as a circular shape with two sides cut off or other various shapes. The shape can be freely selected, such as a rectangular or circular shape with holes and protrusions for hanging tools.

In addition, as the elastic support 10 shown in the drawings, a rubber-like elastic material 5 and a reinforcing plate 6 made of metal or plastic are alternately laminated, but the present invention can be applied only to a rubber-like elastic material or reinforced to a rubber-like elastic material. The same applies to elastic supports using integrated cords or fabrics.

〔effect〕

As is clear from the above description, according to the present invention, a screw is provided at the center of the flange and the shape of the flange is shaped so that it can be fastened by screws, making it easy to fix to the stabilizing plate and reducing the number of assembly steps. A flexible support is obtained.

[Brief explanation of drawings]

Fig. 1 is a side view illustrating a conventional elastic support and its assembly method, Fig. 2 is a partially sectional plan view taken from line ■-■ in Fig. 1, and Fig. 3 is a first embodiment of the present invention. FIG. 4 is a plan view taken along the line IV-IV in FIG. FIG. 7 is a side view illustrating the assembled state of the elastic support according to the present invention, and FIG. 8 is a partial cross section taken along the line ■-■ in FIG. 7. 9 is an exploded perspective view showing an example of use of the elastic support according to the present invention, and FIG. 10 is an exploded perspective view showing another example of use of the elastic support according to the present invention. 10, IOA, IOB, l0C-111--elastic support, 11---laminated elastic part (laminated structure), 12.13
...-1.Flange, 14.15--Screw, 16.1
6A. 16 B, 16 C, 16 D, ------- one stable plate, 17...- foundation, 18--- one structure,
19.20.21・・・− Mounting is through holes. Agent Patent Attorney Yasushi Oto Grain cylinder Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 Fig. 8

Claims (2)

[Claims] (1) In a type of elastic support that has flanges on the upper and lower surfaces and is assembled by fixing the flanges to a stable plate, a screw is provided at the center of the flange and the flange can be fastened with a screw such as a polygon. An elastic support body characterized in that the screw is fastened using a mounting hole formed in the stabilizing plate. (2) The elastic support according to claim 1, wherein the elastic support has a laminated structure in which rubber-like elastic materials and reinforcing plates are alternately laminated.