JPH08122048A - Clearance measuring/recording device by use of taper gauge - Google Patents

Abstract

PURPOSE: To prevent mistakes and improve the working efficiency by fitting a data transmitter connected to a digital display part to the slide member of a taper gauge and inputting data to a personal computer via a processor by receiving the data with a data receiver. CONSTITUTION: A data transmitter 10 is fitted to a slide member 7 of a taper gauge and is electrically connected to a digital display part. By sliding the slide member 7 forward and allowing the tip surface to come into contact with the stationary blade of a turbine and then press the button of the transmitter 10 to transmit measurement data. A receiver 20 for receiving the output is connected to a processor 30 and the processor 30 processes the data to a form suitable for processing by a personal computer 40, for example, that for RC-232C interface before inputting to the personal computer 40. A turbine name, a measurement point, and a reference clearance value are displayed on the display screen of the personal computer 40 and the compensation clearance values are successively displayed by measurement, thus reducing human mistakes and improving working efficiency.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gap measuring / recording device using a taper gauge.

[0002]

2. Description of the Related Art In the main turbine regular inspection work, the number of measurement points exceeds 12,000 points, and among them, the measurement between turbine impellers for confirming the soundness of the turbine rotor is an important work occupying about 2,600 points. It has become. A taper gauge as shown in FIG. 5, for example, is used for the measurement between turbine blades. That is,
The fixing member 3 in which the rear end portion 1b of the taper member 1 is fixed to the tip end portion 3a and the stopper 2 projects from the upper surface 3b, and the tip end surface 5a comes into contact with the surface of the object to be measured during measurement and slits Abutting member 5 formed with 4
Is fixed to the tip end portion 7a, the digital display portion 6 is mounted, and the slide member 7 is slidably fitted to the fixing member 3. And the contact member 5
The bottom surface faces the taper member 1 and the upper surface 3b of a part of the fixing member 3, and the stopper 2 projects from the upper surface 5b of the abutting member 5 through the slit 4. When the rear end 4b of the slit 4 is in contact with the stopper 2, the front end surface 5a of the contact member 5 projects from the front end surface 1a of the taper member 1. In this state, the digital display unit 6 is set to zero. To do. Then, when the contact member 5 is slid, the thickness of the taper member 1 is digitally displayed on the digital display unit 6. The amount of movement of the contact member 5, and thus of the slide member 7, is determined by the length of the slit 4.

Turbine blade-to-vehicle distance measurement using this taper gauge is performed by sliding the slide member 7 forward,
The rear end 4b of the slit 4 is brought into contact with the stopper 2, and the digital display portion 6 is set to zero. Then, the slide member 7 is slid in the opposite direction (the thickness of the taper member 1 in this state is digitally displayed on the digital display portion 6), and when the taper member 1 cannot be inserted thereafter, the slide member 7 is moved. The tip surface 5a of the contact member 5 is brought into contact with the stationary blade by sliding it forward. The digital display of the digital display unit 6 at this time represents a gap.

[0004]

In this prior art, a person who measures the gap using the taper gauge and a person who records the reading of the person on the recording paper are measured by a group of two persons. ing. Then, the measurer must pull out the taper gauge from between the stationary blade and the moving blade in order to read the digital display on the digital display section, and the digital display moves during the pulling out depending on the skill level of the measurer. In addition, there is a risk of misreading in places where the work environment such as lighting is bad. In addition, since the turbine room is a controlled area in a nuclear power plant,
Two rubber gloves must be placed on top of cotton gloves for recording, and workability is poor. As described above, in the measurement between turbine blades and wheels, the processes of reading, verbal transmission, and handwriting are indispensable, and a measurer and a recorder are required, so human error is likely to occur and work efficiency is high. Not good.

The present invention has been made for the purpose of solving the problems of the prior art.

[0006]

Means for solving the above problems will be described below with reference to FIG. 1 corresponding to the embodiment. The present invention relates to a data transmitter 10 mounted on a slide member 7 of a taper gauge and electrically connected to a digital display section 6, a data receiver 20 for receiving an output of the data transmitter 10, and a data receiver. It comprises a processor 30 to which the output of the machine 20 is input and a personal computer 40 to which the output of the processor 30 is input.

[0007]

In the above-mentioned structure, when the slide member 7 is slid forward to bring the tip surface 5a of the contact member 5 into contact with the stationary blade, the transmission button 10a of the data transmitter 10 is pushed. When pressed, the measurement result is displayed on the display screen of the personal computer 40.

[0008]

1 is a diagram showing an embodiment of the present invention. In FIG. 1, 10 is a data transmitter, 20 is a data receiver, 30 is a processor, and 40 is a personal computer.

The data transmitter 10, as shown in FIG.
It is attached to the slide member 7 of the taper gauge and is electrically connected to the digital display unit 6.

In FIG. 2, 11 is a stopper, 12 is a grip portion, 13 is a grip portion connecting member, and 14 is a grip portion.

The stopper 11 is composed of a plate, and is projected and fixed to the bottom surface 3d of the fixing member 3.
Although the stopper 11 is fixed to the bottom surface 3d by a plate, it may be fixed to the upper surface 3b. Further, instead of a plate, a simple protrusion may be used. To slide the slide member 7 forward, the stopper 1 on the tip surface 7b of the slide member 7
The slide member 7 is restricted from sliding rearward by the contact with the stopper 2 at the tip 4a of the slit 4. Due to the presence of the stopper 11, the taper member 1 and the slide member 7 are separated from each other by the stopper 2
It is isolated for a certain period regardless of the position of. Therefore, there is no risk that the slide member 7 and the taper member 1 approach each other and the measurement cannot be performed.

The knob portion 12 is formed so as to facilitate sliding of the slide member 7, and the hook portion 12a is located at the rear of the slide member 7 and in the center of the upper surface 3b of the fixing member 3. Formed bending member 11
The bending member 12b is fixed to the slide member 7. Due to the presence of the knob portion 12, the slide member 7 can be slid by gripping the knob portion 12. Therefore, the measurement is facilitated, and the risk of touching the operation button of the digital display unit 6 is eliminated.

The grip portion connecting member 13 is composed of a cylinder,
The tip portion has a notch portion 13 conforming to the sectional shape of the fixing member 3.
a is formed, and a screw hole (not shown) is dug in the rear end portion. The grip portion connecting member 13 is inserted into the rear end portion 3c of the fixing member 3 via the notch portion 13a and is fixed by a fixing tool 13b such as a bolt.

The grip portion 14 is adjustable in length, and as shown in FIG. 3, several cylindrical members 14a, 14 are provided.
It is composed of b and 14c. Cylindrical members 14a, 14
The surfaces of b and 14c are knurled. The male threaded portion 1 is provided at the tip of the cylindrical members 14a, 14b, 14c.
4d is formed, and screw holes 14e are dug in the rear ends of the cylindrical members 14a and 14b. The rear end portion of the cylindrical member 14c is formed in a columnar shape, and has a hole 14f for passing a string or the like.
Has been drilled. The length of the cylindrical members 14a, 14b, 14c is set appropriately. By screwing the grip portion 14 onto the grip portion connecting member 13, the rear end portion 3 of the fixing member 3 is fixed.
A grip portion 14 is formed on c. Therefore, the measurement becomes easy. Moreover, since the length of the fixed portion including the fixing member 3 can be changed by adjusting the length of the grip portion 14, the measurement becomes easy.

In the turbine blade-to-vehicle measurement using the taper gauge, first, the length of the grip portion 14 is adjusted according to the measurement location. Next, pinch the knob 12,
Slide the slide member 7 forward to slide the slide member 7
The tip surface 7b of the above is brought into contact with the stopper 11 and the digital display portion 6 is set to zero. Then, the slide member 7 is slid in the opposite direction (the taper member 1 in this state is
Is digitally displayed on the digital display unit 6. ),
Then, the taper member 1 is inserted into the gap between the stationary blade and the moving blade. When the slide member 7 cannot be inserted, the slide member 7 is slid forward to bring the tip surface 5a of the contact member 5 into contact with the stationary blade. At this time, the send button 1 of the data transmitter 10
When 0a is pressed, the measurement data is transmitted.

The data receiver 20 for receiving the output of the data transmitter 10 is connected to the processor 30, and the processor 3
0 is connected to the personal computer 40. These are placed near the measurement points. The processor 30 converts the output signal of the data receiver 20 into a form suitable for the personal computer 40 to process (RC-232C interface). In the processor 30, it is also possible to print out the measured value.

The personal computer 40 is started up, and its display screen displays a turbine name, a measurement location name, and a reference gap value (a value in a normal state in which a plurality of turbines are connected) in a table, and , Corrected gap value (When disassembling and checking, the connection is released and moves, and the measurement is performed in this state, so the measurement value must be corrected by the amount of movement. This correction calculation is programmed in the personal computer 40. Process) is sequentially displayed by measurement. When the transmission button 10a of the data transmitter 10 is pressed, the corrected gap value is instantly displayed on the display screen of the personal computer 40.

As described above, the processes of reading, verbal communication, and handwriting are required, and only the measurer is sufficient, so that human error is reduced and work efficiency is improved.

After the corrected gap value of a certain measurement point of a certain turbine is displayed on the display screen of the personal computer 40, the turbine name, the measurement point name, the end of measurement and the next turbine name, the measurement point name are as shown in FIG. As shown in, the measurer is notified by voice through the voice interface 51 to which the output of the personal computer 40 is input and the monitor speaker 52 to which the output of the voice interface 51 is input. Alternatively, as shown in FIG. 4, an audio interface 51 to which the output of the personal computer 40 is input, an FM transmitter 53 to which the output of the audio interface 51 is input, and an FM receiver (earphone) that receives the output of the FM transmitter 53. ) 54 to inform the measurer by voice. As a result, the measurer can perform measurement while confirming the match between the measurement site and the personal computer 40.

The personal computer 40 is also programmed with a comparison between the above-mentioned reference gap value and the corrected gap value and a judgment as to whether the difference is within the allowable range. If the difference is within the allowable range, measurement is performed. Is instructed by voice, but if it is outside the allowable range, remeasurement is instructed by voice. in this case,
As shown in FIG. 4, the measurer sends a cancel signal to the transmitter 61, the receiver 62, and the data input interface 63.
Is input to the personal computer 40 via to cancel the corrected gap value. Then, the measurer performs the remeasurement. If the end of measurement is instructed by voice, it means that there was a mistake in the previous measurement, but if re-measurement is instructed by voice, the existence of defects other than measurement errors such as corrosion is expected, and re-inspection is performed. I have to Thereby, the measurer can perform the measurement while confirming the presence or absence of the measurement error.

The above is the sequential measurement,
As shown in FIG. 4, the measurer sends the measurement location change signal to the transmitter 71, the receiver 62, and the data input interface 6
It is also possible to input data to the personal computer 40 via 3 and change the measurement location on the personal computer 40 to perform random measurement. In this case, the measurement location is notified to the measurer by voice through the monitor speaker 52 or the FM receiver (earphone) 54. Then, if the desired measurement location can be designated, the measurement is performed.

It should be noted that the measurement between turbine blades has been described as an example, but it is needless to say that the present invention is not limited to this and can be used in other clearance measurement.

[0023]

As described above, the present invention is
A data transmitter mounted on the slide member of the taper gauge and electrically connected to the digital display unit, a data receiver for receiving an output of the data transmitter, and an output of the data receiver are input. It is composed of a processor and a personal computer to which the output of the processor is input. Therefore, when the slide member is slid forward and the tip surface of the contact member is brought into contact with the stationary blade, pressing the send button of the data transmitter displays the measurement result on the display screen of the PC, In doing so, the process of reading, oral communication, and handwriting is unnecessary, and only the measurer is required. Therefore, according to the present invention, it is possible to obtain the effects of reducing human error and improving work efficiency.

[Brief description of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention.

2A and 2B are views showing a taper gauge that constitutes the present invention, in which FIG. 2A is a plan view in a use state, and FIG. 2B is a front view in a non-use state.

FIG. 3 is an exploded perspective view of a grip portion that constitutes a taper gauge.

FIG. 4 is a block diagram illustrating an invention according to claims 2, 3, 4, and 5.

FIG. 5 is a view showing a taper gauge of the prior art, (A)
Is a plan view in a used state, and (B) is a front view in a non-used state.

[Explanation of symbols]

 10 data transmitter 20 data receiver 30 processor 40 personal computer

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location G01D 9/00 A G08C 17/00

Claims (5)

[Claims] 1. A data transmitter mounted on a slide member of a taper gauge and electrically connected to a digital display unit, a data receiver for receiving an output of the data transmitter, and a data receiver of the data receiver. Gap measuring / recording device using a taper gauge consisting of a processor to which the output is input and a personal computer to which the output of the processor is input 2. The measurement result is output via a personal computer, a voice interface and a monitor speaker.
Gap measuring / recording device using taper gauge 3. The gap measuring / recording device using a taper gauge according to claim 1, wherein the measurement result is output via a personal computer, a voice interface, an FM transmitter and an FM receiver. 4. A gap measuring / recording apparatus using a taper gauge according to claim 2 or 3, wherein the cancel signal is inputted to a personal computer through a transmitter, a receiver and a data input interface. 5. A gap measuring / recording apparatus using a taper gauge according to claim 2, wherein the measuring point changing signal is inputted to a personal computer through a transmitter, a receiver and a data input interface.