JP2002126669A - Coil cleaning method for rotary machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coil cleaning method for a rotary machine by which dust adhered to the inside of the tip section of an armature coil is surely removed. SOLUTION: A flexible tube 19 is fixed along an insertion soft section 13 of a fiberscope 11. The section 13 and the tube 19 are inserted into the tip section of the armature coil 5 through an air duct port 10 of the rotary machine 1. Then, dust is confirmed by the scope 11 and air is blown to clean the inside of the tip section of the coil 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cleaning a coil of a rotating machine for removing dust adhering to both ends of an armature of the rotating machine.

[0002]

2. Description of the Related Art Conventionally, in general, cleaning of an armature coil provided in a rotating machine is performed by inserting an air nozzle from an exhaust port provided in a stator frame of the rotating machine and blowing air.

[0003] Examples of this kind include those described in, for example, JP-A-6-31709.

[0004]

However, in the above-mentioned conventional device, when dust adhering to the inside of the end portion of the armature coil, particularly when the dust absorbs moisture, it is difficult to remove the dust even by blowing air. This was a major cause of the drop in resistance.

The present invention has been made in view of such circumstances in the prior art, and an object of the present invention is to provide a method of cleaning a coil of a rotating machine capable of reliably removing dust adhering to the inside of an end of an amateur coil. Is to provide.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a method of cleaning a coil of a rotating machine for removing dust adhering to the inside of both ends of an amateur coil of the rotating machine. A flexible tube having an opening at the tip is fixed along the insertion flexible portion of the rotating machine, and the insertion flexible portion and the flexible tube are inserted together from the exhaust port of the rotating machine with the opening at the top, and the amateur Air is blown through the opening to clean the inside of both ends of the amateur coil while checking the contaminated portion with the fiber scope.

According to the present invention having the above-described structure, when cleaning the inside of both ends of the armature of the rotating machine, first, the flexible tube having the insertion flexible portion and the opening at the tip is fixed. Inserting the opening from the exhaust port of the rotating machine with the opening at the top, reaching to the inside of both ends of the amateur coil, then, while checking the contaminated portion with the fiber scope, blowing air through the opening, dust adhering Is removed. As described above, by cleaning while checking the dirty portion, dust attached to the inside of the end of the amateur coil can be reliably removed.

In addition, if a suction port of a vacuum cleaner is inserted into the inside of the rotating machine to suck the dust when the air is blown, the floating dust can be reliably removed.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view showing a state in which the inside of an end portion of an amateur coil is cleaned by using a method for cleaning a coil of a rotating machine according to an embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a rotating machine.
Comprises a stator frame 2, a shaft 3, an iron core 4, an armature coil 5, a commutator 6 and a cooling fan 7 provided on the shaft 3, a magnetic pole 9 provided on the stator frame 2, and an exhaust port 10. I have.

Reference numeral 11 denotes a fiberscope. The fiberscope 11 includes an endoscope 12 and an insertion flexible portion 13 made of an optical fiber inserted into the subject.
And one end is connected to the endoscope 12 and the other end is
And a communication tube 14 made of an optical fiber connected to the communication tube.

Reference numeral 16 denotes an air duster. The air duster 16 has a handle 17 and a trigger 19, one end of which is connected to an inlet of the handle 17, and the other end of which has a compressor 20.
And a tube 21 connected to the

Reference numeral 22 denotes a suction port connected to a cleaner body (not shown). The suction port 22 is inserted into the rotating machine 1 during a cleaning operation.

In this embodiment, when dust adheres to the end portion of the armature 5 of the rotating machine 1, the insertion flexible portion 13 and the flexible tube 19 attached to and integrated with the insertion flexible portion 13 are formed. To the exhaust port 1 of the rotating machine 1.
After the insertion from 0, the tip is brought to the end a along the side surface of the iron core 4 without being inserted into the hole 4a. Then the endoscope 12
, The trigger 18 is operated while looking at the end A, and air is blown out to the dirt portion from the opening 19A of the flexible tube 19 to remove dirt. At this time, by starting a vacuum cleaner (not shown) and sucking the floating dust from the suction port 22, dust can be more reliably removed.

In the embodiment configured as described above, the dust can be reliably removed while observing the dirt on the amateur coil 5.

[0017]

Since the present invention is constructed as described above, it is possible to reliably remove dust adhering to the inside of the end portion of the amateur coil by cleaning the armature coil while confirming the stained portion with a fiberscope. Can,
Thereby, there is an effect that a decrease in insulation resistance can be prevented.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state in which the inside of an end of an amateur coil is cleaned by a method for cleaning a coil of a rotating machine according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotating machine 2 Stator frame 3 Shaft 4 Iron core 4a hole 5 Amateur coil 6 Commutator 7 Cooling fan 8 Brush holder 9 Magnetic pole 10 Exhaust port 11 Fiberscope 12 Endoscope 13 Insertion flexible part 14 Connecting pipe 15 Light source 16 Air duster 17 Handle Part 18 Trigger 19 Flexible tube 19A Opening 20 Compressor 21 Tube 22 Suction port

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3B116 AA47 AB51 BB62 BB72 BB75 BB77 CC05 5H615 AA07 BB01 BB02 BB04 PP02 PP12

Claims (2)

[Claims] 1. A method for cleaning a coil of a rotating machine for removing dust adhering to the inside of both ends of an amateur coil of the rotating machine, wherein an opening is provided at the tip along with an insertion flexible portion of a fiberscope for irradiating light from the tip. The flexible tube is fixed, the insertion flexible portion and the flexible tube are inserted together from the exhaust port of the rotating machine with the opening at the top, and the inside of both ends of the amateur coil is reached. A method for cleaning a coil of a rotating machine, characterized in that air is blown from the opening while checking the portion to clean the inside of both ends of the amateur coil. 2. The method for cleaning a coil of a rotating machine according to claim 1, wherein a suction port of a vacuum cleaner is inserted into the inside of the rotating machine to suck dust when the air is blown.