JPH06282552A - Piping inspecting bar code system - Google Patents

Abstract

PURPOSE:To provide a piping inspection bar code system suitable to the saving of manpower related with the inspection recording preparation of the piping construction of a process device or the like and to the rationalization of an inspection management job. CONSTITUTION:The bar code of a data related with a welding part corresponding to each piping spool drawing is adhered or tagged to a piping part to be welded of piping prefab articles manufactured in a factory shop and the piping part to be welded in a job site, the bar code is read from an inspection item by a bar code reader at the time of inspection before and after the piping welding operation, and read in a computer. Then, the inspection end recording of an arbitrary format for office management and customer presentation is outputted from the computer Thus, a great amount of labor can be saved at the time of inputting the inspection data of the piping construction of the process device or the like, the change, correction, and copy of the inspection data can be simplified, and entry miss and transfer miss can be reduced. Therefore, the number of operators required for the inspection of the piping construction can be reduced, and a working quality and working efficiency can be improved.

Description

Detailed Description of the Invention

[0001]

The present invention relates to inspection data of piping work for process equipment (steam trace piping, home station piping, fire extinguishing piping, instrument pressure guiding piping, sampling piping, pump / cooling piping, slop piping, etc.). Relates to a pipe inspection bar code system for creating various inspection records for in-house management, customer submission, etc., after the completion of inspection work for piping work.

[0002]

2. Description of the Related Art Quality control in construction work is positioned as a major element in managing construction work along with process control, safety control, and cost control. The most important factor in this quality control is piping work. is there. This is not only recognized as a very important component so that the piping in the plant can be compared to the blood flowing in the human body, but also as the construction element that must be shaped on site, the most quality control is required. Because it is difficult. Therefore, the inspection work after the plumbing is a particularly important work,
It is necessary to manage the inspection data and prepare the records as various inspection records for in-house management and customer submission. In the conventional technology, as shown in FIG. 2, every time the inspector finishes the inspection work of the plumbing work every day, a handwritten record is created for in-house management, and when all the inspection work of the plumbing work of the plant is completed. , The inspector created the records by handwriting or by computerizing them, as various inspection records for internal management and customer submission. According to this method, in the case of making a record by handwriting, a great deal of labor is required for changing, correcting or purifying inspection data, and there are many entry errors and transcription errors. In addition, with regard to record creation using a computer, although problems with handwriting such as changes, corrections, engraving, and entry errors of inspection data are alleviated to some extent, a great deal of effort is put into inputting inspection data, resulting in total It was impossible to rationalize the inspection work.

[0003]

SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a pipe inspection bar code system suitable for labor saving and rationalization of inspection management work related to generation of inspection records for piping work of process equipment and the like. Especially.

[0004]

[Means for Solving the Problems] The above-described object is to provide data on welding points corresponding to respective piping spool drawings at piping points to be welded in a pipe prefabricated product manufactured at a factory shop and at piping points to be welded on site. Attach or tag the barcode of the above, and inspect the inspection items and the barcode with a barcode reader for the inspection before and after the pipe welding work, and let the computer read it, and use the arbitrary format for in-house management and customer submission from the computer. This is achieved by outputting the inspection completion record.

[0005]

The pipe inspection bar code system of the present invention reads the inspection item and the bar code for inspection before and after the pipe welding work from the bar code affixed or tagged to the pipe portion to be welded and read by the computer. It is not necessary to spend a lot of effort to input inspection data for piping work such as process equipment, and after the completion of inspection work for piping work, the inspector records the records for in-house management and for customer submission. When output as a report, the inspection data can be easily changed, corrected, and purified, and mistakes in entry and transcription can be eliminated to reduce the number of workers in the inspection of piping work and improve work quality and work efficiency.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the drawings along with embodiments. FIG. 1 is a schematic diagram of a pipe inspection bar code system of the present invention, FIG. 2 is a schematic diagram of a conventional pipe inspection procedure, FIG. 3 is an example of a pipe prefabricated product, and FIG. (B) is a welded finished product. FIG. 4 is a welding configuration diagram of piping on site, FIG. 5 is an operating procedure of the system of the present invention in a factory shop, FIG. 6 is an operating procedure of the system of the present invention on the site, and FIG. 7 is a command for inspecting inspection items. An example of a card, FIG. 8 is an example of a bar code representing a weld joint number. Next, the operation of the pipe inspection bar code system of the present invention will be described with reference to FIG. Attach a bar code to the welded portion of the welded pipe at the factory shop or on-site. As shown in FIG. 8, the affixed bar code is coded with the spool number and joint number of the pipe. And this barcode is 1 per weld
A barcode will be attached. When the inspector performs inspection work, a desired inspection item is selected from the inspection items of the inspection command card of FIG. 7 for each welded portion of the pipe, and the bar code is read by the bar code reader. Then, the bar code attached at the end of welding is similarly read by the bar code reader. The read barcode data is read into the memory of the computer via the barcode interface. When the inspection of the welding location is completed, the data is organized and edited by a computer and output in a desired format for in-house management or customer submission. In this way, according to the present invention, it is not necessary to spend a great deal of effort to input the inspection data of the plumbing work of the process equipment, etc., and after the inspection work of the plumbing work is completed, the inspector records the record for in-house management. In addition, when outputting as various inspection records for customer submission, etc., the inspection data can be easily changed, corrected and purified, and mistakes in entry and transcription can be eliminated to rationalize the inspection of piping work. In the actual piping welding work, in consideration of the ease of welding work and the welding work environment, a pipe prefabricated product that has undergone the welding work and inspection is prepared and prepared in advance at the factory shop. The piping prefabricated product is relatively compact because it can be brought to the site. Bring a predetermined number of pipe prefabricated products prepared in this way to the welding work site,
It is common to assemble and weld to complete piping for process equipment and the like.

Next, referring to FIGS. 3 and 4, a state in which the pipe prefabricated product and the bar code are attached, and a part of the welding configuration diagram of the pipe on site and the state in which the bar code is attached are described with reference to FIGS. In FIG. 4, 1 is a straight pipe, 2 is a bent pipe, 3 and 3'are bar codes attached, 4 is a clamp for temporarily fixing the pipe, and 5 is a branch pipe. Figure 3 shows the production of piping prefabricated products in a factory shop.
FIG. 3A shows a temporarily fixed state of the pipe. The straight pipe 1 and the curved pipe 2 of the pipe are butted and temporarily fixed by the clamp 4. In this state, a bar code 3 in which the spool number and the joint number of the pipe are coded is attached to the welding location at the welding location, as shown in FIG. Next, welding is performed to complete a pipe prefabricated product as shown in FIG. 3B. At this point, the inspection of the welded part is also completed. FIG. 4 shows the welding situation of the pipes on the site. The required number of the pipe prefabricated products shown in FIG. 3 produced in the factory shop are carried into the welding work site, assembled, temporarily fixed, and welded. For example, straight pipe 1 of piping
2 of the pre-fabricated curved pipe 2 consisting of
Temporarily fasten them in the assembled direction and weld them. Further, in other parts, the straight pipe 1 and the branch pipe 5 of the pipe are temporarily fixed and welded. Then, a bar code 3'in which the spool number and the joint number of the pipe are coded is newly attached to the position where the temporary fixing is completed. Further, if necessary, the straight pipes 1 are sequentially added and welded to continue the piping of the process equipment or the like. Of course, the bar code 3'is attached to the position where the temporary fixing and welding are completed.

Further, the pipe inspection bar code system of the present invention in a factory shop and a welding site is shown in FIG.
And, it will be described in detail with reference to FIG. First, referring to FIG.
A pipe inspection bar code system for pipe prefabricated products in a factory shop will be described. Draw a spool diagram of piping and input initial data to the computer. Next, a predetermined spool diagram is selected to create a construction group plan, and the piping is cut according to the drawing. The cut pipes are assembled and temporarily fixed. At the stage of selecting the spool diagram, the bar code (see FIG. 8) in which the spool numbers and the joint numbers of the pipes of all welding points are coded is printed out based on the input initial data. Then, when the temporary fixing is made, a bar code corresponding to the welded portion is attached. In the temporarily fixed state, first read the inspector code with a bar code reader, inspect the groove surface,
A groove temporary inspection is performed, and a barcode corresponding to the groove surface inspection and the groove temporary inspection of the inspection command card prepared in advance shown in FIG. 7 is read by the barcode reader, and then the inspection point is checked. The bar code reader reads the bar code (Fig. 8) in which the spool number and joint number of the pipe are coded. Next, pipe welding is performed on the temporary fixing part, the welder code and the spool number of the pipe at the welding point,
The bar code (FIG. 8) in which the joint number is coded is read by the bar code reader, and then the pipe welding is inspected. Inspection items for pipe welding include visual inspection, PT-MT (non-destructive) inspection, RT (radiation) inspection, etc., but the inspection code and actual visual inspection performed prior to the inspection, PT-MT (non-destructive) ) Inspection, RT (radiation)
A barcode corresponding to the inspection is read by a barcode reader from an inspection command card (Fig. 7) prepared in advance. Then, the bar code (FIG. 8) in which the spool number and the joint number of the pipe at the welding location are coded is read by the bar code reader. In this way, all the piping prefabricated products in the factory shop are made,
The inspection result of the pipe welding read by the bar code reader is automatically read by the computer through the bar code interface. The inspection result data of the pipe welding which is automatically read by the computer is created as data to be sent to the welding site and output to a floppy disk.
The required number of pipe prefabricated products and the floppy disk in which the data of the inspection results of those pipe welding are written, and the spool number and joint number of the pipe where the pipe prefabricated products are assembled and welded at the welding site are coded. The barcode will be sent to the welding site together.

Next, the pipe inspection bar code system at the welding site will be described with reference to FIG. At the welding site, the inspection result data of the piping prefabricated product of the floppy disk brought in from the factory shop is automatically imported to the computer at the site, and the piping prefabricated product is assembled and installed according to the construction assembly plan. The operation procedure of the pipe welding work and its welding inspection after assembly and installation is the same as the operation procedure in the factory shop. That is, when the pipe prefabricated product is assembled, attached and temporarily fixed, the bar code (FIG. 8) corresponding to the welding location sent from the factory shop is attached. In the temporarily fixed state, first, the inspector code is read by the bar code reader to perform the groove surface inspection and the groove temporary attachment inspection, and the groove surface inspection and the opening of the inspection command card prepared in advance shown in FIG. 7 are performed. The bar code corresponding to the preliminary tack inspection is read by the bar code reader, and then the bar code (FIG. 8) in which the spool number and the joint number of the pipe at the inspection point are encoded is read by the bar code reader.
Next, pipe welding is performed on the temporarily fixed part, and the bar code (Fig. 8) in which the welder code and the spool number and joint number of the pipe at the welding point are coded is read by the bar code reader, and then the pipe welding is performed. Perform an inspection. Inspection items for pipe welding are visual inspection, PT-MT (non-destructive) inspection, RT (radiation), similar to welding inspection at factory shops.
Although there are inspections, etc., an inspection command card that is prepared in advance with an inspector code and a bar code corresponding to the actual appearance inspection, PT-MT (non-destructive) inspection, RT (radiation) inspection prior to the inspection. Read from (Figure 7) with a barcode reader. And the spool number of the pipe at the welding point,
The barcode (Fig. 8) in which the joint number is encoded is read by the barcode reader. Assembling, mounting, and welding inspection of these pipe prefabricated products are performed on all the pipes of the plant, and the inspection result of the pipe welding read by the bar code reader is automatically read into the computer through the bar code interface. The inspection result data of the pipe welding automatically read by the computer and the inspection result data of the pipe prefabricated product of the floppy disk brought in from the factory shop are sorted and edited by the computer to be used for in-house management or customer submission. It is output as an inspection completion record in the form. Of course, the inspection record can be output at any time, even if welding and inspection have not been completed for all the pipes, and the inspection record for the spool that has been completed at any time. Further, in the above-described embodiment, the inspection result data of the pipe welding of the pipe prefabricated product created in the factory shop was written to the floppy disk and sent to the welding site. It is also possible to transmit directly via.

[0010]

As described above, according to the present invention, the welding of the piping prefabricated product manufactured at the factory shop to the welding spots to be welded and the welding spots to be welded at the site corresponding to the respective piping spool drawings. By attaching or tagging the bar code of the data on the location, the inspection items and the bar code can be read by the bar code reader for inspection before and after the pipe welding work, and can be read by the computer, so the inspection data of the piping work such as process equipment can be input. To do so, a great deal of labor must be paid, and labor can be saved.
In addition, after the inspection work of the plumbing work is completed, when the inspector outputs the records as various inspection records for in-house management and customer submission, the inspection data can be easily changed, corrected, and certified. Eliminates entry errors and transcription errors, reduces the number of workers in the inspection of piping work, and improves work quality and work efficiency. Further, the automatic data management can realize labor saving in creating inspection records and rationalization of total inspection management work.

[Brief description of drawings]

FIG. 1 is a schematic diagram of a pipe inspection bar code system of the present invention.

FIG. 2 is a schematic diagram of a conventional pipe inspection procedure.

FIG. 3 is an example of a piping prefabricated product, (A) temporary fixing diagram,
(B) Welded finished product.

FIG. 4 is a welding configuration diagram of piping on site.

FIG. 5 is an operation procedure of the system of the present invention in a factory shop.

FIG. 6 shows a procedure for operating the system of the present invention in the field.

FIG. 7 shows an example of a command card for inspection of inspection items.

FIG. 8 is an example of a bar code representing a weld joint number.

[Explanation of symbols]

 1 straight pipe 2 bent pipe 3 bar code applied at factory shop 3'bar code applied at welding site 4 clamp for temporary fixing 5 pipe branch pipe

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hitoshi Ito 3-17 Egasaki-cho, Tsurumi-ku, Yokohama-shi, Kanagawa JGC Corporation

Claims (3)

[Claims] 1. A bar code of data relating to a welding point corresponding to a piping spool drawing is attached or tagged to a piping point to be welded in a factory shop and a site,
A pipe inspection bar code system characterized in that the inspection items and the bar code are read by a bar code reader before and after the pipe welding work, read by a computer, and an inspection completion record is output from the computer. 2. The pipe according to claim 1, wherein computer data on a welding point corresponding to a piping spool drawing created in a factory shop is stored in a magnetic disk, and the data on the magnetic disk is read by a computer in the field. Inspection bar code system. 3. The computer data relating to the welding point corresponding to the piping spool drawing created in the factory shop is transferred from the factory shop to the on-site computer via a communication line and is read by the on-site computer. Item 1. Piping inspection bar code system.