JPH04190654A - Rotary machine having composite function - Google Patents

Abstract

PURPOSE:To enable the free combination of option factors by providing at least one relay shaft, which is joined by a stage in the same direction, on the side opposite to the load of the rotary shaft, and mounting rotating option factors on each relay shaft. CONSTITUTION:Controls comprising an electromagnet 4 for braking, a movable plate 5, a friction plate 6, a fixed plate 7, a braking spring 8, and a collar 9 for braking is fixed to the step 3a of a bracket 3. The first relay shaft 11 is set and fixed to the rotary shaft 2a projecting from the collar 9, and these controls 4-9 are covered with a cover 10. A self-cooling fan 12 is set on the first relay shaft 11 to cool the rotating machine 1. The second relay shaft 14 is set on the rotary shaft 11a projecting from the boss of the fan, and a cover 13 covers the controls 4-9 and the cooler. A rotation detector 15 is attached to the end of the second relay shaft 14, and it is fixed to the cover 13. Hereby, a plurality of option factors for the braking device can be mounted.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a rotating machine, and more particularly to a structure that can easily provide a rotating machine with multiple functions such as variable speed operation using an inverter and a braking function.

[Prior Art] As described in Japanese Utility Model Publication No. 60-33725, conventional devices include a braking device, a cooling fan, etc., which are connected to the opposite side of the rotating shaft. Multiple options! When installing equipment, the structure was such that it could not be installed at any time in the morning.

[Problem to be solved by the invention] The above conventional technology has a structure in which devices such as a braking device and a cooling fan can be installed, but the structure is such that devices such as a braking device and a cooling fan can be installed by combining the necessary devices. It wasn't. For this reason, a special rotating machine had to be manufactured each time the optional equipment was assembled, resulting in problems such as high prices and long manufacturing times.In particular, inverter drive electric motors, etc., required a complex combination of various combinations. Functionality was required, and it was desired to quickly supply this requirement at a low cost.

The actual purpose of the present invention is to correspond to a multi-function electric motor required for variable speed operation, such as the above-mentioned inverter, and to enable the multi-function motor to be freely selected and easily installed. In addition, the purpose is to be able to adapt to the usage environment and to mount the rotary machine in either upward or downward directions.

[Means for solving the problem] In order to achieve the above purpose, the bracket of the rotating machine main body, which is the basic structure, is provided with a step in advance on the anti-load side.
This step is used as a mounting seat, and the structure allows multiple optional elements such as a braking device and rotation detection device to be attached, giving a degree of freedom in their combinations.

To this end, the structure is such that relay shafts of the same shape can be connected in multiple stages, and the parts that fit each optional element to each relay shaft have a common structure so that they can be replaced with other optional elements. (The rotating machine side of the relay shaft has a female structure, and the opposite side has a male structure.

It is also possible to combine the female and male structures in reverse.)

In addition, the shaft shape of the rotary machine for driving the cooling fan is structured so that a fan, which is an optional element, can be fitted thereto, thereby further increasing the degree of freedom in combinations. In addition, a shaft end abutment plate for preventing removal, which corresponds to the female part of the relay shaft, is attached to the shaft end of the rotating shaft to ensure the fixation of optional elements. , the load device mentioned above can be easily attached.

[Function] The optional elements attached to the anti-load side of the rotating machine are attached with a mutually exchangeable attachment structure via a relay shaft.

The installation of the braking device is given top priority compared to other optional elements (rotation detection device, cooling fan, etc.). Since the braking device is heavy and the braking torque acts repulsively in the direction of rotation of the rotating machine, it is fitted onto the shaft of the rotating machine itself. On the other hand, a rotation detection device, a cooling fan, etc., which are relatively light in weight and do not require much torque, are fixed to a relay shaft connected to the rotating shaft if a braking device is provided.

This makes it possible to respond to a variety of needs in terms of strength and multiple functions.

[Example] Hereinafter, one example of the present invention will be described with reference to the first diagram. In a rotating machine l having a rotating shaft 2 connected to a load and a bracket 3 that pivotally supports the rotating shaft 2, the bracket 3
A brake electromagnet 4, a movable plate 5, a friction plate 6, a fixed plate 7
, and is fixed using a device consisting of a braking spring 8. Further, a brake collar 9 that is shorter than the shaft length of the rotating shaft 2 is fitted to the end of the rotating shaft 2, and the friction plate 6 is slidable in the axial direction with respect to the collar 9, but in the rotational direction. It has a structure that does not slide. A first relay shaft 11 is attached to the rotating shaft 2a protruding from the collar 9.
are fitted and fixed, and these braking device parts are covered with a cover 10. A self-cooling fan 12 is fitted to the first relay shaft 1 to cool the rotating machine 1. 11a protruding from the boss of the self-cooling fan has a second relay shaft 1.
4 are fitted together, and a cover 13 covers the entire braking device section and cooling device section. At the shaft end of the second relay shaft I4,
A rotation detection device 15 for detecting rotation of the rotating shaft 2 is attached and fixed to the cover 13.

According to this embodiment, the configuration of a general rotating machine (housing, bracket, shaft, self-cooling fan, end cover) can be easily adapted to a rotating machine with multiple functions.

Further, another embodiment will be explained with reference to FIG.

A rotation detection device 15 is attached to the shaft end of the rotating shaft 2,
It is fixed to bracket 3. The cooling fan 12 is rotated by a drive rotating machine 17 dedicated to the fan, separate from the rotating machine 1, and cools the rotating machine 1.

The cooling fan 12 is fitted to the shaft end of the rotating shaft 18 of the rotating machine 17, and a retaining plate 16 is fitted and fixed to the rotating shaft 18a protruding from the boss of the cooling fan. There is.

This embodiment can also be easily applied to a rotating machine having multiple functions.

Still another embodiment will be explained with reference to FIG.

A self-cooling fan 12 is fitted to the shaft end of the rotating shaft 2, and a first relay shaft 11 is fitted and fixed to the rotating shaft 2a, which protrudes from the boss of the natural cooling fan that cools the rotating machine 1. The self-cooling fan is covered with a cover 13. 1st
A rotation detection device 15 for detecting rotation of the rotating shaft 2 is attached to the shaft end of the relay shaft 11, and is fixed to the cover 3.

This embodiment can also be easily applied to a rotating machine having multiple functions.

Further, still another embodiment will be explained with reference to FIG.

As explained with reference to FIG. 1, the brake device section is fixed to the bracket 3, the rotation detection device 15 is attached to the first relay shaft 11, and is fixed to the cover 10 that covers the brake device section. The cooling fan 12 is rotated by a drive rotating machine 17 dedicated to the fan separately from the rotating machine 1.
to cool down.

The rotary machine 17 is fixed to a cover 13 that covers the entire brake H placement section and rotation detection device section. In addition, the cooling fan l
2 is fitted onto the shaft end of a rotating wheel l8 of the rotating machine 17, and a shaft end abutment plate l6 for preventing removal is fitted and fixed to the rotating shaft 18a protruding from the cooling fan boss.

This embodiment also has the advantage that it can be easily modified via the relay shaft and that multiple functions can be freely attached and detached.

In the above embodiments, the rotation detecting device is not mounted in a shaft-through type, but if the optional element is to be expanded beyond the rotation detecting device, a shaft-through type may be used.

In addition, when a large number of optional elements are deployed, stability against rotational runout can be improved by supporting the rotation of the intervening relay shafts and the final stage relay shafts with bearings attached using covers, etc. improves.

The following is an example of a structure that allows a general rotating machine to have multiple functions. (Expanded from the bracket to the opposite load side, the cover is omitted) ■ Natural cooling fan (general rotating machine) ■ Braking device section Natural cooling fan ■ Braking device section Natural cooling fan 10 rotation detection device (Fig. 1) ■ Self-cooling fan (general rotating machine) Cooling fan 10 revolutions detection device (Fig. 3) ■ Usage fan ■ Braking device + Usage fan ■ Braking device 10 revolutions detection device + Usage fan (Fig. 4) ■ Rotation detection device + Usage fan (Fig. 2) [Invention Effects According to the water chamber, by replacing the basic parts of the rotating machine with optional elements, it is possible to remodel the rotating machine into a rotating machine with multifunctional performance, resulting in the following effects.

■The manufacturing process can be done by partially modifying the standard model, and all you need to do is attach the prepared optional elements.
Significant cost reductions can be achieved, and delivery times can also be significantly shortened.

■Since the mounting of the rotary machine body is the same, it can be used for equipment with added value.

■Since all parts can be fixed in the axial direction, the rotating machine body can be installed regardless of the direction.

■Each device can be used outdoors, so it is not affected by the environment. ■Standardization of installed parts reduces the number of parts, which also leads to fewer defects.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view showing a specific example of an embodiment according to the present invention, in which a braking device, a self-cooling fan, and a rotation detecting device are attached. FIG. 2 is a vertical cross-sectional view showing a specific example in which a rotation detecting device and a usage fan are attached, according to an embodiment of the present invention. FIG. 3 is a vertical cross-sectional view showing a specific example in which a usage fan and a rotation detection device are attached, according to an embodiment of the present invention. FIG. 4 is a vertical cross-sectional view showing a specific example in which a braking device, a rotation detecting device, and a usage fan are attached, according to an embodiment of the present invention. Description of symbols 1 Rotating machine, 2...Rotating shaft, 3...Bracket, 4~
9...Brake device section, 1O113...Cover, 11.
... First relay shaft, 12 ... Cooling fan, 14 ... Second relay shaft, 15 ... Rotation detection device, 17 ... Rotating machine for driving the cooling fan,] 8 ... Rotating shaft, 2a,lla%
18a... Rotation shaft (portion protruding from the optional element boss) and above Figure 2/6 /θα

Claims (1)

[Claims] 1. In a rotating machine having a rotating shaft connected to a load and a bracket that pivotally supports the rotating shaft, at least one stepped joint is provided on the opposite side of the rotating shaft in the same direction. A rotating machine comprising: a relay shaft; and an optional element attached to each of the relay shafts and rotationally driven. 2. The rotating machine according to claim 1, wherein the optional elements according to claim 1 are installed in the order of a braking device, a self-cooling fan, and a rotation detection device from the rotating machine side. 3. The rotating machine according to claim 1, wherein the optional elements according to claim 1 are installed in the order of a self-cooling fan and a rotation detection device from the rotating machine side. 4. In a rotating machine having a rotating shaft connected to a load and a bracket supporting the rotating shaft, a first rotary shaft having at least one relay shaft stepped in the same direction on the opposite side of the rotating shaft. an optional element that is attached to each relay shaft of the first group and is rotationally driven and has a coaxial fitting structure; an end cover that covers the optional element; and an optional element that is attached to the end cover that covers the optional element. an optional element driving rotating machine with an output shaft facing the rotating machine and rotationally driving the optional element; and at least one relay connected in the same direction on the output shaft side of the optional element driving rotating machine. the second with an axis
A rotating machine comprising: a set of the above; and the optional element, which is attached to each relay shaft of the second set, is rotationally driven, and has a coaxial fitting structure. 5. According to claim 4, instead of the second set, each relay shaft of the second set is constituted by only the output shaft of the rotary machine for driving the optional element. Rotating machine. 6. The optional element attached to the first set of relay shafts according to claim 5 includes a braking device,
6. The optional element installed in the order of the rotation detection device and attached to the second set of relay shafts is a cooling fan.
The rotating machine described. 7. In claim 4, the first set of relay shafts is composed of only the rotation shafts on the opposite load side of the rotary machine, and each relay shaft of the second set is composed of the output of the optional element driving rotary machine. 5. The rotating machine according to claim 4, wherein the rotating machine includes only a shaft.