JPH0763227A - Flexible joint - Google Patents

Abstract

PURPOSE:To provide a flexible joint capable of facilitating assembling work in a fitting site to the utmost, shortening a working time to improve workability, and moreover realizing high safety even in high-spot work. CONSTITUTION:This joint is provided with a spacer 4, wherein a bending member 5 is fastened by a bolt-and-nut 23 arranged in a position where the diameter direction of the bending member 5 is opposite to one-end surface and a bending member 6 is fastened by a bolt-and-nut arranged in a position where the diameter direction of the bending member 6 is opposite to the other end surface; and a position, which is different from the position of the bolt-and-nut 23 with which the bending member 5 in one-end surface of the spacer is fastened and to which a diameter direction is opposite, is fastened with the opposite end surface of one-side hub 2 by a bolt-and-nut 25; and also the bending member 6 is engaged with the opposite end surface of the other side hub 3. Notched holes 16, having a size wherein the bolt-and-nut 23 can be inserted, are provided on positions corresponding to the bolt-and-nut 23 of both the hubs 2 and 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible joint capable of facilitating an assembling work at a mounting site and shortening an assembling time.

[0002]

2. Description of the Related Art An example of a conventional flexible joint of this type is shown in FIGS. 51 and 52 are hubs, 53 is a cylindrical spacer, 5
4 and 55 are flexible members. The flexure member 54 is fastened with a bolt nut 56 at radially opposite positions on one end face of the spacer 53, and at the same time as the position where the bolt nut 56 is fastened at the opposite end face of the hub 51 with the bolt nut 57 and the circumference. They are fastened at positions that are out of phase with each other at right angles to the direction and that are opposed to each other in the radial direction. 58 and 59 are bolts and nuts 56 formed on the facing surfaces of the spacer 53 and the hub 51,
The notch hole into which the 57 bolt is inserted absorbs the bending in the axial direction. 60 is a washer. Similarly, the flexible member 55 is fastened with bolts and nuts 62 at positions opposite to each other in the radial direction on the other end surface of the spacer 53, and also the bolts and nuts 63.
At the position where the bolt nut 62 on the opposite end surface of the hub 52 is fastened and the position shifted in phase at right angles to the circumferential direction,
It is fastened at mutually opposing positions in the radial direction. 64 and 65 are bolts and nuts formed on the opposing surfaces of the spacer 53 and the hub 52.
A notch hole into which the bolts 62 and 63 are fitted, and 66 is a washer.

[0003]

By the way, the above flexible joint includes the hubs 51 and 52, the spacer 53, and the flexible member.
Since 54, 55 and bolts and nuts 56, 57, 62, 63 must be carried to the installation site in a loose state and installed,
The assembling work was difficult and it took a very long time. In addition, there is a problem in terms of safety because the work is performed at a high place, which is more dangerous.

In view of the above, the present invention solves the above-mentioned problems of the prior art, makes the assembling work at the installation site as easy as possible, shortens the work time, and improves the workability, and is high in quality. It is an object of the present invention to provide a flexible joint that can be highly safe even in the field work.

[0005]

In order to achieve the above object, according to the present invention, a first flexible member is fastened by a first fastening member arranged at one end face at positions opposed to each other in the radial direction,
The second flexible member comprises a spacer fastened to the other end surface by a second fastening member arranged at a position opposed to each other in the radial direction,
At a position different from the position of the first fastening member that fastens the first flexible member on one end face of this spacer, and at positions that face each other in the radial direction, fasten the opposite end face of one hub with the third fastening member, A position different from the position of the second fastening member at which the second flexible member is fastened on the other end surface of the spacer is provided by providing a notch portion having a size into which the member can be fitted at a position corresponding to the first fastening member of the one hub. And a notch having a size such that the radially opposite positions are fastened to the facing end surface of the other hub by the fourth fastening member, and the members can be fitted into the hub at positions corresponding to the second fastening members. Is provided.

[0006]

With the above-described structure, it is possible to prepare a spacer to which the first and second flexible members are attached in advance. Therefore, when assembling at the attachment site, the spacer is carried to the attachment site and is attached to both hubs. It only needs to be installed.

[0007]

FIG. 1 is a vertical sectional front view of an embodiment of the present invention.
The left half is cut along the line XX in FIG. This Figure 1
Shows only the attachment state of the left half portion and omits the right half portion, but the right half portion also has the same attachment state. FIG. 2 is a side view of FIG. 1, and the right half part is omitted. 1 is a flexible joint, which comprises hubs 2 and 3 and a block-shaped spacer 4
The flexible members 5 and 6 are composed of several flexible disks. The hubs 2 and 3 have flanges 7 and 8 extending outward in the radial direction. As shown in FIG. 3, the spacer 4 has a body 9 having a shape in which both sides of a disk having substantially the same diameter as the flanges 7 and 8 of the hubs 2 and 3 are cut out. Recesses 10 and 11 are formed in notches at positions facing each other in the radial direction, and bolt insertion holes 12 and 13 are formed. 14 is the central hole.

A bolt insertion hole 15 is formed in the flange 7 of the hub 2.
A cutout hole 16 having a size into which the bolt of the bolt nut described later for the spacer 4 can be fitted is formed. The notch hole 16 is for absorbing the bending in the axial direction. The flange 8 of the hub 3 also has similar bolt insertion holes and cutout holes, which are not shown. As shown in FIG. 4, the flexure members 5 and 6 have a quadrangular shape, and at four corners thereof, bolt insertion holes 18 and 19 corresponding to the bolt insertion holes 12 and 13 of the spacer 4, respectively, and the hub 2 and 2.
Bolt insertion holes 20 and 21 corresponding to the bolt insertion hole 15 of No. 3 (the bolt insertion hole of the hub 3 is omitted) are provided. In Figure 1
A bolt and nut 23 has a function of a washer and is used to attach the flexible members 5 and 6 to the spacer 4, and has a shape as shown in FIG. Reference numeral 25 is a bolt and nut for attaching the flexible members 5 and 6 to the hubs 2 and 3, and 26 is a washer. Also
Reference numerals 27 and 28 denote central holes formed in the hubs 2 and 3 for connecting the joint 1 to a shaft (not shown), and 29 and 30 are key grooves for key-joining with the shaft fitted in the central holes.

The operation of the above embodiment will be described. First, before the work at the installation site, the flexible member 5 is attached to the one end face side of the spacer 4, the bolt insertion hole 18 of the flexible member 5 and the bolt insertion hole of the spacer 4.
A bolt and nut that is fastened through a bolt and nut 23 that is inserted between the bolt 12 and 12 and that inserts the flexible member 6 on the other end surface side of the spacer 4 between the bolt insertion hole 19 and the bolt insertion hole 13 of the spacer 4. Fasten through 23. As a result, the flexible members 5 and 6 are attached to the spacer 4 on both end surfaces thereof as shown in FIG. Next, carry the spacer 4 to which the flexible members 5 and 6 are attached to the attachment site,
The flexible member 5 is inserted and arranged between the hubs 2 and 3 that are separately carried to the site, and the flexible member 5 is fastened through a bolt nut 25 that is inserted between the bolt insertion hole 20 and the bolt insertion hole 15 of the hub 2. , The flexible member 6 is fastened via a bolt nut inserted between the bolt insertion hole 21 and the bolt insertion hole of the hub 3. This completes the assembly work. As described above, the work at the site is performed by simply attaching the flexible members 5 and 6 that are previously attached to the spacer 4 to the hubs 2 and 3, and the work is extremely simple and can be completed in a short time. Therefore, even when the installation site is at a high place, the work can be performed more safely than in the conventional case. Further, the disassembling work may be carried out in the reverse order of the above procedure, whereby the work can be facilitated and speeded up like the assembly.

6 to 8 show another embodiment. Figure 6
Is a vertical sectional front view of the embodiment, taken along line YY in FIG. FIG. 7 shows the left half part of the left side view of FIG. 6, and the right half part is omitted, but it appears in the same manner as the left half part (becomes symmetric). Although the right side view is omitted, it is displayed in the same manner as the right side view. FIG. 8 shows the left side surface of the flexure member attached to the spacer, and the right side surface is also shown.
The difference from the above embodiment is that the spacer 44 is composed of a relatively long cylindrical body having annular flanges 45 and 46 at both ends, and the flexible members 48 and 49 attached to the spacer 44 have the same phase in the circumferential direction. Is the point. When the spacer 44 is long in the axial direction as described above, the bending members 48, 49
It is not necessary to change the phase in the circumferential direction as in the above embodiment, but the phases may be attached in the same phase. Other configurations of the hub and the like are almost the same as those of the above-described embodiment, and therefore, the same reference numerals are given and the description thereof will be omitted.

The spacers 4 and 44 shown in this embodiment are merely preferable examples, and the configuration including the shape thereof can be appropriately changed in practice. Further, if the bolts and nuts 23 and 25 that are fastening members can be fastened, other fastening members may be used.

[0012]

The present invention has the above-mentioned structure,
Since it suffices to prepare a spacer to which the first and second flexible members are attached in advance, carry this to the installation site, and attach it to both hubs, the assembly work at the installation site becomes extremely easy and In addition to reducing work time and improving workability, there is an excellent effect that work efficiency can be improved even in high places.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of the present invention and showing only a left half portion in an attached state.

FIG. 2 is a side view of FIG. 1 with the right half part omitted.

FIG. 3 shows a spacer, (A) is a side view thereof, (B) is
(A) is a front sectional view taken along line Y-Y of (A), and (C) is a plan view of (A).

FIG. 4 is a side view of a flexible member attached to a spacer.

FIG. 5 shows a bolt nut for mounting, (A) is a front view,
(B) is a side view.

FIG. 6 is a vertical sectional front view of another embodiment.

FIG. 7 is a side view of FIG. 6 with the right half part omitted.

FIG. 8 is a side view of the bending member attached to the spacer.

FIG. 9 is a vertical sectional front view showing a conventional example.

FIG. 10 is a side view of FIG. 6 with the right half part omitted.

[Explanation of symbols]

 1 Flexible joint 2,3 Hub 4,44 Spacer 5,6,48,49 Flexible member 7,8 Flange 16 Notch hole 23,25 Bolt nut

Claims (1)

[Claims] 1. A first bending member is fastened by a first fastening member arranged at one end surface at a position facing each other in the radial direction, and a second bending member is positioned at another end surface at a position facing each other in the radial direction. A spacer fastened by the second fastening member, and a position different from the position of the first fastening member fastening the first flexible member on one end face of the spacer, and the radially opposite position is the third fastening A member is fastened to the opposite end surface of one hub, and a notch having a size into which the member can be fitted is provided at a position corresponding to the first fastening member of the one hub, and a second end portion of the other end surface of the spacer is provided. A position different from the position of the second fastening member fastening the flexible member,
A fourth fastening member is fastened to the opposite end surface of the other hub at radially opposite positions, and a notch having a size that allows the members to be fitted is provided at a position corresponding to the second fastening member of the hub. Flexible joint characterized by.