WO2018030175A1 - フランジの締付け管理方法、締付け管理システム、締付け管理プログラムおよび締付け管理装置 - Google Patents

フランジの締付け管理方法、締付け管理システム、締付け管理プログラムおよび締付け管理装置 Download PDF

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Publication number
WO2018030175A1
WO2018030175A1 PCT/JP2017/027396 JP2017027396W WO2018030175A1 WO 2018030175 A1 WO2018030175 A1 WO 2018030175A1 JP 2017027396 W JP2017027396 W JP 2017027396W WO 2018030175 A1 WO2018030175 A1 WO 2018030175A1
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WO
WIPO (PCT)
Prior art keywords
tightening
information
flange
gasket
condition
Prior art date
Application number
PCT/JP2017/027396
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
善昭 椿山
和也 栗原
Original Assignee
日本バルカー工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本バルカー工業株式会社 filed Critical 日本バルカー工業株式会社
Priority to JP2018532933A priority Critical patent/JP6654244B2/ja
Priority to KR1020197002762A priority patent/KR102268947B1/ko
Priority to SG11201900820TA priority patent/SG11201900820TA/en
Priority to CN201780046288.8A priority patent/CN109478058B/zh
Publication of WO2018030175A1 publication Critical patent/WO2018030175A1/ja

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3296—Arrangements for monitoring the condition or operation of elastic sealings; Arrangements for control of elastic sealings, e.g. of their geometry or stiffness
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
    • G05B19/4187—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow by tool management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the present invention relates to a tightening management technique for a flange connecting pipes, valves, pumps and the like.
  • Flange joints are used for connecting pipes and connecting pumps to pipes.
  • a gasket is sandwiched between the flanges of the flange joint, and tightening is performed with bolts and nuts arranged at a plurality of locations between the flanges.
  • a manual tool such as a torque wrench is used, and an electric screw tightening device can be used.
  • Patent Document 1 Regarding the pressure acting on the gasket between the flanges that are fastened by tightening bolts and nuts, it is known to measure this pressure with a pressure sensor and determine the flange fastening force based on the measured value (for example, Patent Document 1). ).
  • an object of the present invention is to consistently manage from the selection and implementation of gaskets and tightening conditions in relation to the flange, to realize highly reliable flange tightening management and reduce the burden on the operator. .
  • a flange tightening management method using a computer for tightening management for tightening a plurality of bolts and nuts between flanges sandwiching a gasket Obtaining tightening condition information related to the step, obtaining flange information from the first information tag on the flange side, obtaining gasket information from the second information tag on the gasket side, The tightening condition is selected from the tightening condition information on the condition that the gasket information included in the flange information is compared with the gasket information acquired from the second information tag, and that the gasket matches the flange.
  • a flange tightening management method using a computer for tightening management for tightening a plurality of bolts and nuts between flanges sandwiching a gasket Obtaining the tightening condition information related to the flange, obtaining the flange information including gasket information suitable for the flange from the flange tag, obtaining the gasket information from the gasket tag, and the flange information.
  • the flange tightening management method may further include a step of outputting presentation information indicating whether or not the gasket is compatible with the flange when the gasket information is collated.
  • the flange tightening management method may further include a step of determining whether the tightening condition is satisfied during the tightening of the flange and a step of presenting the determination result.
  • the flange tightening management method may further include a step of obtaining worker information from a worker tag, and a step of presenting the flange, the tightening condition, and the evaluation result related to the worker information.
  • the flange information may include at least information representing a tightening procedure together with gasket information suitable for the flange.
  • the tightening condition information may include the flange information and the gasket information.
  • the tightening condition information may include the flange information and the gasket information.
  • the flange tightening management method may further include a step of forming a gasket from a gasket material and a step of attaching the gasket tag including the gasket information to the gasket.
  • a flange tightening management system used for tightening management for tightening a plurality of bolts and nuts between flanges sandwiching a gasket.
  • a server connected to the sensor by wire or wirelessly, the server acquires tightening condition information related to the flange, and flange information from the first information tag on the flange side
  • the gasket information is acquired from the second information tag on the gasket side, the gasket information included in the flange information is compared with the gasket information acquired from the second information tag, and the gasket is checked against the flange.
  • a flange tightening management system used for tightening management for tightening a plurality of bolts and nuts between flanges sandwiching a gasket.
  • Flange information including suitable gasket information is acquired, gasket information is acquired from the gasket tag, the gasket information included in the flange information is compared with the gasket information acquired from the gasket, and the gasket matches the flange. From the above tightening condition information, Select and acquire tightening information during or after tightening from the sensor, evaluate whether the flange tightening conforms to the tightening condition, and relate at least the tightening condition and evaluation result to the flange. Present tightening result information.
  • a computer is used for tightening management in which a gasket is sandwiched between flanges and tightened with a plurality of bolts and nuts, and the flange is executed by the computer.
  • a tightening management program that acquires tightening condition information related to a flange, acquires flange information from a first information tag on the flange side, and acquires gasket information from a second information tag on the gasket side The gasket information included in the flange information is compared with the gasket information acquired from the second information tag, and the tightening condition is selected from the tightening condition information on the condition that the gasket matches the flange.
  • a computer is used for tightening management in which a gasket is sandwiched between flanges and tightened with a plurality of bolts and nuts, and the flange is executed by the computer.
  • a tightening management program that acquires tightening condition information related to a flange, acquires flange information including gasket information that matches the flange from the flange tag, acquires gasket information from the gasket tag, and acquires the flange information.
  • the gasket information contained in the gasket and the gasket information acquired from the gasket are collated, and if the gasket is suitable for the flange, the tightening condition is selected from the tightening condition information and tightening is performed from the sensor attached to the bolt. Or tightening information after tightening Acquired, and evaluate whether tightening is adapted to the clamping condition, in association with the flange to execute a function of presenting the tightening result information including at least the clamping condition and the evaluation result to the computer.
  • a flange tightening management apparatus used for tightening management for tightening a plurality of bolts and nuts between flanges sandwiching a gasket.
  • Acquire related tightening condition information acquire flange information from the first information tag on the flange side, acquire gasket information from the second information tag on the gasket side, and during or after tightening
  • An information acquisition unit that acquires tightening information, the gasket information included in the flange information and the gasket information acquired from the second information tag are collated, and the tightening is performed on the condition that the gasket matches the flange.
  • a flange tightening management apparatus used for tightening management for tightening a plurality of bolts and nuts between flanges sandwiching a gasket is provided.
  • Acquire related tightening condition information acquire flange information including gasket information that matches the flange from the flange tag, acquire gasket information from the gasket tag, and tighten or tighten from the sensor attached to the bolt
  • the information acquisition unit that acquires the tightening information after the completion, the gasket information included in the flange information and the gasket information acquired from the gasket are collated, and if the gasket matches the flange, the tightening condition information Select the tightening conditions and tighten the flange.
  • Tightening result information including the tightening conditions and tightening evaluation results is presented, and the tightening condition can be confirmed from the information.
  • FIG. It is a figure which shows a 2nd log information table. It is a flowchart which shows the process sequence of the fastening of a flange. It is a flowchart which shows the process sequence of a server. It is a flowchart which shows the process sequence of the server after clamping
  • FIG. It is a figure which shows the structural example of a controller. It is a figure which shows the process and sorting of the gasket which concern on Example 3.
  • FIG. It is a figure which shows the classification example of a gasket.
  • FIG. 1 shows a flange tightening management system according to an embodiment.
  • the configuration shown in FIG. 1 is an example, and the present invention is not limited to such a configuration.
  • the flange tightening management system 2 includes a sensor group (hereinafter simply referred to as “sensor”) 4 and a server computer (hereinafter simply referred to as “server”) 6 for detecting a flange tightening force.
  • sensor a sensor group
  • server a server computer
  • the gasket 12 is sandwiched between the opposing surfaces of the flanges 10-1 and 10-2 of the flange joint, and a plurality of bolts 14 for tightening the flanges 10-1 and 10-2 together. And a nut 16 is attached.
  • the operator applies torque T to each nut 16 using the tightening tool 18.
  • T By tightening the nut 16 to the bolt 14 in this way, a tightening force is applied to the gasket 12 sandwiched between the flanges 10-1 and 10-2.
  • Examples of the tightening tool 18 include a ratchet torque wrench, a digital torque wrench, a bolt tensioner, a ratchet wrench, a spanner, a spectacle wrench, a hammer wrench, and other manual tools, and an electric tool.
  • the bolts 14-1, 14-2... 14-8 generate an axial force F in the Z-axis direction in the figure, and this axial force F becomes a tightening force for the gasket 12.
  • the sensor 4 is an example of a means for detecting the tightening force of the flange tightening portion 8, and a plurality of sensors 4 corresponding to each bolt 14-1, 14-2,... 14-N (N is a natural number). ⁇ 1, 4-2,..., 4-N.
  • a sensor that outputs an axial force F as an electric signal may be used, and any of a pressure sensor, a strain gauge, a displacement meter, a load meter, etc. may be used.
  • a sensor that directly detects the tightening force of the gasket 12 may be used.
  • the sensor 4 is connected to the server 6 by wire or wirelessly, and the detected tightening force is taken into the server 6.
  • the tightening force detected by the sensor 4 is an example of tightening information that is a tightening result of the flange.
  • each sensor 4-1, 4-2,..., 4-N may have a function of performing wireless communication with the server 6, or the detection data may be collected with the server 6.
  • a data accumulation unit 20 that performs transmission management.
  • the data accumulation unit 20 is a computer having a data processing function or a communication function, and may be a data logger, for example.
  • the server 6 is an example of a flange tightening management device, and includes, for example, a PC (Personal Computer) or a tightening management computer.
  • the server 6 includes, for example, a processing unit 22, a monitor 24, and an input operation unit 26.
  • this server 6 for example, a) Acquisition of tightening condition information related to the flange 10, b) Acquisition of flange information of the flange 10; c) Acquisition of gasket information of the gasket 12; d) Verification of gasket information included in the flange information and gasket information acquired from the gasket 12; e) If the flange 10 and the gasket 12 are compatible, the tightening condition is selected from the tightening condition information. f) Acquisition of tightening information during or after tightening from the sensor 4, evaluation of whether the tightening meets the tightening conditions, g) presentation of tightening information including at least the tightening conditions and evaluation results in relation to the flange 10; Etc. are executed.
  • the server 6 may acquire the detection information detected by the sensor 4 when the tightening is completed or during the tightening, for example.
  • the data transmission from the sensor 4 to the server 6 may be performed at a timing detected by each sensor 4-1, 4-2,... 4-N, or may be performed in a predetermined order.
  • FIG. 2 shows a processing sequence of flange tightening management using the sensor 4 and the server 6.
  • each step is indicated by a step (Step: S) and a number.
  • the processing contents and processing procedures shown in FIG. 2 are examples, and the present invention is not limited to such contents.
  • This flange tightening management is an example of the flange tightening management method or tightening management program of the present disclosure.
  • the flange tag 30 is attached to the flange 10 before tightening, for example, and flange information including gasket information is displayed.
  • the flange tag 30 is an example of a first information tag.
  • the gasket tag 32 is attached to the gasket 12 before tightening, and gasket information is displayed.
  • the gasket tag 32 is an example of a second information tag.
  • the server 6 includes, for example, a management function unit 34 that performs tightening management processing of the flange 10, and a storage / display function unit 36 that includes a function of storing a database and log information including tightening conditions, and a function of displaying them.
  • the management function unit 34 reads the above-described tightening condition information related to the flange 10 from the storage / display function unit 36 (S 101).
  • the management function unit 34 acquires flange information from the flange tag 30 (S102).
  • This flange information includes gasket information representing a gasket that fits the flange to which the flange tag 30 is attached.
  • the gasket information is acquired from the gasket tag 32 (S103), and the gasket information included in the flange information is collated with the gasket information acquired from the gasket tag 32 (S104).
  • the management function unit 34 selects a suitable tightening condition from the tightening condition information (S106).
  • the sensor 4 detects the axial force F applied to the bolt 14 as tightening information during or after tightening (S108).
  • the management function unit 34 of the server 6 acquires the tightening information during or after the tightening from the sensor 4 (S109), and evaluates whether the tightening of the flange 10 meets the tightening conditions (S110).
  • the management function unit 34 creates tightening result information including at least the tightening condition and the evaluation result in relation to the flange 10, and notifies the storage / display function unit 36 (S111).
  • the storage / display function unit 36 displays the provided tightening result information on the monitor 24 (S112).
  • the saddle server 6 selects appropriate tightening conditions for the flange 10 and the gasket 12 from the stored tightening condition information, and evaluates the tightening information detected by the sensor 4 based on such tightening conditions. It is possible to monitor whether or not proper tightening has been performed, to avoid tightening mistakes, and to achieve appropriate tightening regardless of the operator's experience.
  • the flange information acquired from the flange tag 30 includes gasket information indicating the compatible gasket 12.
  • gasket information acquired from the gasket tag 32 By comparing this gasket information with the gasket information acquired from the gasket tag 32, the gasket matches the flange. Therefore, it is possible to prevent mistakes in the selection of gaskets for the specified flanges, and to realize integrated management of flanges, gaskets and tightening conditions. As a result, highly reliable flange tightening management can be realized.
  • Tightening result information including tightening conditions and tightening evaluation results can be recorded and presented, and it is easy to monitor and confirm the tightening condition during tightening. Can also be confirmed.
  • FIG. 3 shows an example of the server 6.
  • the server 6 is an example of a flange tightening management device, and is configured by a computer. Further, the server 6 may have a function of storing tightening condition information, a function of presenting tightening evaluation results, and log information.
  • the server 6 includes a processor 42, a storage unit 44, an input / output unit (I / O) 46, and a communication unit 48, and an input operation unit 52 and a display unit 54. Is provided.
  • the processor 42 performs information processing such as an OS (Operating System) and a flange tightening management program stored in the storage unit 44.
  • This information processing includes controls such as reading of tightening condition information, selection of tightening conditions, acquisition of tightening result information from the sensor 4, monitoring and evaluation of the tightening state, display of evaluation results, and output of tightening result information.
  • the processor 42 functions as the management function unit 34 described above.
  • the storage unit 44 is used to store an OS, a flange tightening management program, tightening condition information, log information, and the like, and includes a ROM (Read Only Memory) and a RAM (Random Access Memory).
  • the storage unit 44 may be a storage device such as a hard disk or a semiconductor memory capable of holding stored contents.
  • the storage unit 44 constitutes the storage / display function unit 36 described above.
  • the I / O 46 is controlled by the processor 42 and used for input / output of control information.
  • the communication unit 48 is used for connection to the sensor 4, the display unit 54, the touch panel 56, and an external device (not shown).
  • an external memory 50 may be connected to the I / O 46 as an external device.
  • the communication unit 48 is controlled by the processor 42, and is used for wireless connection with the sensor 4, wireless connection with an external device (not shown), and Internet connection.
  • the input operation unit 52 is an example of means used for inputting input information, taking out output information, switching modes, etc.
  • a keyboard or a mouse is used.
  • the display unit 54 is an example of an information presentation unit and a display unit, and is used, for example, to display a log information table (B in FIG. 9).
  • the screen display unit of the display unit 54 may be provided with a touch panel 56, and input information corresponding to display information may be performed instead of the input operation unit 52.
  • a bar code reader (not shown) is connected to the processing unit 40 as reading means for reading, for example, worker information, flange information, and gasket information.
  • the storage unit 44 of the server 6 includes a temporary storage area 44-1 and a storage area 44-2, for example, as shown in FIG.
  • the temporary storage area 44-1 includes flange information 60 acquired from the flange 10, gasket information 62 acquired from the gasket 12, worker information 64 acquired from the worker tag 84 (B in FIG. 5), tightening result information 66, and the like. Stored temporarily.
  • databases such as a tightening condition table 68 and log information tables 70-1 and 70-2 are constructed.
  • the tightening condition table 68 records tightening condition information related to the flange 10.
  • Information such as tightening results and tightening determination results is recorded in the log information tables 70-1 and 70-2.
  • FIG. 4 shows an example of the bolt 14 provided with the sensor 4.
  • the bolt 14 is provided with a strain gauge 74 inside the bolt body 72.
  • This strain gauge 74 is an example of the sensor 4-1, 4-2,... 4-N of the present disclosure, and is added to the bolts 14-1, 14-2,.
  • the distortion of the bolt main body 72 due to the torque T is detected.
  • This strain represents the axial force F applied to the bolt 14 by tightening.
  • a cable 76 may be connected to the strain gauge 72, and the detected axial force F may be taken out as a sensor output through the cable 76.
  • FIG. 5A shows an operator information table.
  • the worker information table 80 is stored in, for example, the server 6 and stores worker information acquired from a worker in charge of tightening.
  • the worker information table 80 includes information such as a worker ID (IDentification), a user, and a worker name as an example of worker information.
  • the worker ID is identification information that identifies the worker.
  • the user is the company to which the worker belongs and the name of the company at the tightening point.
  • the worker name is the name of the worker.
  • the worker information table 80 includes an ID part 80-1, a company name part 80-2, and a worker name part 80-3.
  • the ID part 80-1 stores the worker ID.
  • the company name section 80-2 stores the name of the company to which it belongs.
  • the worker name part 80-3 stores the name of the worker.
  • the worker information stored in the worker information table 80 may be acquired from the worker tag 84 worn by the worker 82 as shown in FIG.
  • a bar code 86 may be used as the worker information display means for the worker tag 84, and the worker tag information 88 may be read from the bar code 86 using a bar code reader connected to the server 6.
  • FIG. 5C shows an example of the worker tag information 88.
  • the worker tag information 88 includes a worker ID, company name, and worker name to be stored in the worker information table 80.
  • This worker information is acquired from the worker tag 84 at the start of tightening, and if the worker information table 80 is formed, the worker information becomes one of information constituting the tightening record by associating with the above-described flange information.
  • FIG. 6 shows an example of the tightening condition table 68.
  • the tightening condition table 68 stores tightening condition information.
  • the tightening condition table 68 is stored in the storage unit 44 of the server 6, for example, and is read and used when performing tightening management processing.
  • the tightening condition table 68 includes application location information, flange information 60, gasket information 62, tightening information, and tightening condition information as an example of tightening condition information.
  • the application location information is information such as the execution line where the gasket is installed.
  • the flange information 60 is individual information used for identifying the flange 10.
  • the gasket information 62 is individual information used for identifying the gasket 12.
  • the tightening information is information such as the number of bolts in the flange tightening portion 8.
  • the tightening condition information includes tightening condition identification information and the number of times of tightening.
  • the tightening condition table 68 may be acquired through, for example, an externally connected storage medium or network in addition to the storage unit 44 of the server 6.
  • the tightening condition table 68 includes a line information section 68-1, a flange information section 68-2, a gasket information section 68-3, a bolt information section 68-4, and a tightening condition information section 68-5. included.
  • the line information section 68-1 for example, identification information of a tightening portion such as a piping line such as Line A, Line B, etc. is stored as a line name.
  • the flange information part 68-2 stores a flange number for identifying the flange 10, a flange dimension, and the like.
  • the gasket information part 68-3 stores a gasket product number for identifying the gasket 12, a gasket size, and the like.
  • the bolt information section 68-4 stores the number of bolts and the like.
  • the tightening condition information section 68-5 stores a tightening condition number (No.) for identifying the tightening condition, Pass1, Pass2,.
  • the server 6 can grasp necessary tightening condition information related to tightening.
  • FIG. 7A shows an example of the flange 10 and the flange tag 30.
  • Bar code 90 is displayed on the flange tag 30 as an example of information display means, and the flange tag information 92 can be acquired by reading the bar code 90 with a bar code reader.
  • the flange tag information 92 is an example of flange information, and includes flange information and related information stored in the tightening condition table 68 described above. This relationship information includes line information and gasket information.
  • the flange tag information 92 includes application location information, flange identification information, gasket information, and tightening condition information, as shown in FIG. 7B.
  • the line name 92-1 which is an example of the line information part, identification information of a tightening portion such as a piping line such as Line A, Line B,.
  • the flange information 92-2 stores a flange number for identifying the flange 10, a flange dimension, and the like.
  • a gasket product number for identifying the gasket 12 is stored in the gasket information 92-3.
  • the tightening condition number 92-4 stores a tightening condition number for identifying a tightening condition as an example of tightening procedure information.
  • the gasket 12 that is automatically matched can be specified by selecting the flange 10. Then, by comparing the gasket information included in the flange tag information 92 with the gasket information obtained from the gasket tag 32, it is possible to quickly determine whether or not the gasket 12 is suitable for the flange 10, and the highly reliable compatibility. Judgment can be made.
  • the gasket case 100 is, for example, a synthetic resin case provided with a lid 104 that can be opened and closed on a case main body 102 in which the gasket 12 can be stored.
  • the lid 104 is provided with a transparent window 106. The gasket 12 can be visually confirmed from the transparent window 106.
  • the gasket case 100 is provided with a gasket tag 32, and a barcode 108 is displayed on the gasket tag 32.
  • the gasket tag information 110 can be obtained by reading the barcode 108 with a reading means such as a barcode reader. it can.
  • the gasket tag information 110 includes gasket information 62.
  • the gasket tag information 110 stores the gasket product number and dimensions as shown in FIG. 8B.
  • the tightening result information 120 includes a tightening condition 120-1, a construction date 120-2, an error determination result 120-3, a first tightening result 120-4, and a second tightening result 120-5.
  • the tightening result information 120 is specified by, for example, Line A as the tightening condition 120-1 and application location information.
  • the tightening condition of each bolt is stored.
  • the construction date and time 120-2 displays the tightening date and time or time zone.
  • the error determination result 120-3 displays a determination result as to whether the tightening state matches the tightening condition.
  • a measured value of the tightening torque of the bolt 14 is displayed. This tightening torque may be calculated from, for example, the axial force F detected by the sensor 4 and the nominal diameters of the bolts 14 and nuts 16 used.
  • the nut tightening angle is displayed in the second tightening result 120-5.
  • the tightening result information 120 includes the result information in the log information table 70-1 (B in FIG. 3) as the tightening result acquired from the sensor 4, as shown in FIG. Both of the result information in the log information table 70-2 (B in FIG. 3) to which related information such as work date and time is added are included.
  • the log information table 70-1 includes application location information, flange information 60, gasket information 62, tightening portion information, and tightening condition information as in the tightening condition information (FIG. 6).
  • the tightening result is added in relation to these.
  • the tightening result is, for example, tightening result information such as the axial force F acquired from the sensor 4 or the tightening torque calculated from the axial force F.
  • the log information table 70-1 includes a line information section 70-11, a flange information section 70-12, a gasket information section 70-13, a bolt information section 70-14, a tightening condition information section 70-15, and a tightening result information section. 70-16 and worker ID part 70-17.
  • the log information table 70-2 includes a line information section 70-21, a flange information section 70-22, a gasket information section 70-like the log information table 70-1 (FIG. 9B). 23, a tightening condition information section 70-25, an operator ID section 70-27, a construction date and time section 70-28, an error determination section 70-29, a first peripheral tightening result section 70-30, and a final peripheral tightening result.
  • a unit 70-31 and a circulation number unit 70-32 are provided.
  • the worker ID section 70-27 stores the same worker ID as the worker ID section 70-17. Thereby, an operator is specified in relation to the flange 10.
  • the bolt information unit 70-14 is omitted.
  • the date and time of tightening is stored in the construction date and time section 70-28. Thereby, the tightening date is specified in relation to the flange 10.
  • the error determination section 70-29 displays a determination result as to whether or not the tightening state is suitable for the tightening condition. If it is “OK”, it is conformable, and if it is “NG”, it is not possible.
  • the first circumferential tightening result portion 70-30 the first round tightening result (torque) of the circumferential tightening of the plurality of bolts 14 on the flange 10 is displayed.
  • the final peripheral tightening result section 70-31 displays the final tightening result (axial force F or torque) of the peripheral tightening of the plurality of bolts 14.
  • the number of laps is displayed in the lap number section 70-32.
  • FIG. 11 shows a tightening procedure of the flange tightening management system 2 (FIG. 1) according to the first embodiment.
  • worker information 64 is acquired at the start of tightening (S201).
  • the worker information 64 may be read from the barcode 86 of the worker tag 84 by reading means such as a barcode reader.
  • the server 6 determines whether the worker information 64 has been read (S202). If the worker information 64 is not read (NO in S202), an error is displayed on the display unit 54 (S203), for example, a red lamp that is a warning display may be turned on. As a result, the worker 82 is prompted to re-read the worker information 64, and the barcode 86 can be read again by the barcode reader. As a result, if the worker information 64 can be acquired, the warning display is canceled and a green lamp or the like is turned on as a display for determining appropriateness to indicate that the worker information 64 has been acquired.
  • the flange information 60 is acquired (S204). Similarly, the flange information 60 may be obtained by reading the flange tag information 92 (B in FIG. 7) from the flange tag 30 using a barcode reader or the like. In this example, it is not determined whether the flange information 60 has been read, but a read error may be determined in the same manner as the worker information 64 described above.
  • the gasket information 62 is acquired (S205).
  • the gasket tag information 110 may be read from the barcode 108 of the gasket tag 32 using a barcode reader or the like.
  • the gasket 12 After obtaining the worker information 64, the flange information 60, and the gasket information 62, it is determined whether the gasket 12 is suitable for the flange 10 (S206). That is, it is determined whether or not the gasket information 62 acquired from the gasket 12 matches the gasket information included in the flange information 60.
  • an error is displayed on the display unit 54 (S207). This error display is performed, for example, by turning on a red lamp. This prompts the operator 82 to reselect the matching gasket 12. As a result, if a suitable gasket 12 is selected, the red lamp is turned off and the green lamp is turned on.
  • the gasket 12 that matches the worker information 64 and the flange information 60 is selected, and the preconditions for tightening are established. At this time, the tightening condition is automatically selected from the tightening condition information (S208).
  • the server 6 acquires tightening result information from the sensor 4 (S210).
  • This result information includes the tightening result such as the axial force F described above.
  • the server 6 determines whether the tightening result is suitable for the tightening condition from the acquired result information (S211). If the tightening result does not match the tightening conditions (NO in S211), an error display is performed (S212). The error display turns on the red lamp to notify the operator 82 that a tightening result that matches the tightening condition is not obtained.
  • the server 6 records the tightening result including the error determination (S213).
  • the tightening result is recorded in the log information table 70-1 (S214), and this process is completed.
  • the recorded information can be output to the external memory 50 and stored.
  • the server 6 can display the above-described log information table 70-2 on the monitor 24.
  • FIG. 12 shows a processing procedure from tightening preparation to tightening.
  • the worker information 64 is obtained from the worker tag 84 (S301)
  • the flange information 60 is obtained from the flange tag 30 (S302)
  • the gasket information 62 is obtained from the gasket tag 32 (S303).
  • the gasket information included in the flange information 60 and the gasket information representing the actual gasket 12 are collated and determined (S304). In this collation and determination (S304), it is determined whether the gasket 12 is suitable for the flange 10 (S305). Thereby, it is determined whether the selected gasket 12 is suitable for the flange 10 to be tightened.
  • a red lamp or the like is turned on as an error determination notification (S306), and the process returns to S303. That is, the worker is notified by lighting of the red lamp that the gasket 12 is not suitable, and the worker is prompted to replace the gasket 12.
  • the collation / judgment (S304) is performed again.
  • the green lamp is turned on as notification of appropriateness determination (S307), and the tightening condition can be selected (S308). That is, if the green lamp is not lit, selection of the tightening condition is prevented.
  • the tightening condition table 68 in the storage unit 44 is referred to, and a tightening condition number is selected from the tightening condition table 68 (S308).
  • FIG. 13 shows a processing procedure from the tightening to the output of log information.
  • the tightening result is acquired from the sensor 4 (S401), and the tightening result is temporarily stored in the temporary storage area 44-1 of the storage unit 44.
  • This tightening result includes the detected axial force F of the strain gauge 74.
  • a log information table 70-1 is created from this tightening result.
  • the tightening condition number X in the tightening condition table 68 is referred to, and the tightening condition is determined (S402). In this determination, it is determined whether the tightening result matches the tightening condition (S403).
  • the green lamp is turned on as an appropriate determination notification (S404). If the tightening result does not match the tightening condition (NO in S403), an error determination is made. As a notification (S407), the red lamp is turned on.
  • the log information table 70-1 is created based on the tightening result, the log information is organized and processed, and the log information table 70-2 is created (S405).
  • the log information table 70-2 is written to the external memory 50, for example, and output through the display unit 54 (S406).
  • the gasket 12 is selected, and the gasket information obtained from the gasket 12 is compared with the gasket information in the flange information to determine whether or not the gasket 12 is suitable. Can be selected.
  • a reader such as a barcode reader can be used to speed up information acquisition. And can increase the reliability.
  • the tightening result including such suitability information is provided from the sensor 4 to the server 6 and recorded.
  • the server 6 can organize the tightening results, extract not only all information but also necessary information and edit it to create log information.
  • This tightening result information is collected in the log information tables 70-1 and 70-2 and can be transferred from the server 6 to the external memory 50.
  • the log information table 70-2 can be presented by removing the external memory 50 from the server 6 and mounting it in an external computer.
  • the administrator can easily know whether a tightening result that conforms to the tightening condition is obtained.
  • the log information table 70-2 it is possible to know the result of error determination as appropriateness information in the tightening result related to the flange 10. Since the tightening result includes detailed related information such as a work date related to the flange 10, it is possible to easily know the details of the work result.
  • FIG. 14 shows a flange tightening management system according to the second embodiment.
  • the configuration shown in FIG. 14 is an example, and the present invention is not limited to such a configuration. 14, the same components as those in FIGS. 1 and 3 are denoted by the same reference numerals.
  • the flange tightening management system 130 includes, for example, a sensor 4 that detects a flange tightening force, a server 6, and a controller 132.
  • the controller 132 is connected to the sensor 4 by wire or wireless.
  • the controller 132 is an example of a flange tightening management device, and is configured by a computer, for example.
  • the controller 132 may be a terminal device having a size that can be carried and carried by an operator or an administrator, for example, and the front panel unit 134 includes a plurality of input keys 136 and a display unit 138.
  • the controller 132 is, for example, a) Acquisition of tightening condition information related to the flange 10, b) Acquisition of flange information of the flange 10; c) Acquisition of gasket information of the gasket 12; d) Verification of gasket information included in the flange information and gasket information acquired from the gasket 12; e) If the flange 10 and the gasket 12 are compatible, select the tightening condition from the tightening condition information. f) Obtain the tightening information during or after tightening from the sensor 4, and evaluate whether the tightening conforms to the tightening condition. g) Presentation of tightening result information including at least a tightening condition and an evaluation result in relation to the flange 10; Etc. are executed.
  • the controller 132 is linked to the server 6 by a wired or wireless connection as indicated by a broken line 140.
  • the server 6 supports or manages the controller 132.
  • FIG. 15 shows an example of the controller 132.
  • the controller 132 is configured by a computer, and includes a processor 142, a storage unit 144, an input / output unit (I / O) 146, an input operation unit 148, a communication unit 150, and a display unit 152.
  • the processor 142 performs information processing such as an OS and a flange tightening management program stored in the storage unit 144.
  • This information processing includes controls such as acquisition of tightening condition information from the server 6, acquisition of tightening result information from the sensor 4, monitoring and evaluation of the tightening state, display of evaluation results, and output of tightening result information.
  • the storage unit 144 is used for storing an OS, a program, tightening condition information, detection information, and the like, and includes a ROM and a RAM.
  • the storage unit 144 may have the same configuration as the temporary storage area 44-1 and the storage area 44-2 formed in the server 6 described above.
  • a storage element capable of holding stored content may be used for the storage unit 144.
  • the I / O 146 is controlled by the processor 142 and used for input / output of control information.
  • the communication unit 150 is used for connection with the server 6 by radio, for example.
  • a barcode reader 154 and a removable external memory 156 are connected to the I / O 146 as external devices.
  • the external memory 156 is a log information extraction memory.
  • a USB (Universal Serial Bus) memory may be used.
  • the input operation unit 148 includes a key switch and a touch sensor, and is used for input information input trigger, output information extraction trigger, mode switching, and the like.
  • the communication unit 150 is controlled by the processor 142 and is used for wireless connection with an external device such as the sensor 4 or the server 6 or for Internet connection.
  • the display unit 152 includes, for example, a green lamp 152-1 and a red lamp 152-2.
  • the display unit 152 is controlled by the processor 142, and when the state evaluation result is normal, the green lamp 152-1 is turned on, and when abnormal, the red lamp 152-2 is turned on.
  • the controller 132 operates as the management function unit 34 described above, and the gasket information and the flange information are collated, the evaluation result of the detection result by the sensor 4 and the tightening condition information, etc. Can be done.
  • the server 6 may provide tightening condition information stored in the controller 132, store log information created by the controller 132, display processing, and the like.
  • the controller 132 obtains the tightening result from the heel sensor 4 and determines the tightening result, so that the tightening state can be quickly grasped at the work place, and the work speed such as improvement of workability and re-tightening can be performed. Can be improved.
  • FIG. 16 shows processing steps from formation of the gasket 12 to sorting.
  • the gasket 12 is formed using a plurality of types of gasket material plates 160-1, 160-2,.
  • gasket material plates 160-1, 160-2,..., 160-N are punched out to form gaskets 12-11, 12 having predetermined shapes that are individually adapted to various flanges 10, as shown in FIG. -12 ... 12-1N, 12-21, 12-22 ... 12-2N ... 12-N1, 12-N2 ... 12-NN are created.
  • Each gasket 12-11, 12-12 ... 12-1N, 12-21, 12-22 ... 12-2N ... 12-N1, 12-N2 ... 12-NN is shown in FIG.
  • C After being individually housed in suitable gasket cases 100-1, 100-2,... 100-N, racks 162-1, 162-2,. It is sorted and stored.
  • the racks 162-1, 162-2,... 162-N are examples of sorting means.
  • Each rack 162-1, 162-2,... 162-N is provided with a rack tag 164-1, 164-2,.
  • the rack tags 164-1, 164-2,... 164-N may be used to identify the rack or the storage gasket.
  • FIG. 17 shows racks 162 sorted by line.
  • a line A rack 162-A, a line B rack 162-B, a line C rack 162-C, and a line D rack 162-D are provided for each line as a plurality of dedicated racks.
  • the rack A for line A 162-A is used for line A and is distinguished from other lines.
  • the rack for line B 162-B to rack D for line D 162-D are used for line B to line D, etc. It is distinguished from those for the line.
  • Each rack 162-A... 162-D accommodates a gasket case 100 that houses a gasket 12 used in the corresponding line.
  • Each rack 162-1, 162-2 ... 162-N has gaskets 12-11, 12-12 ... 12-1N, 12-21, 12-22 ... 12-2N .. 12-N1, 12-N2,..., 12-NN can be sorted and stored. For example, a predetermined number of gaskets can be stored, and the number of consumption and the number of sufficiency can be managed.
  • Necessary gaskets 12 for each line must be sorted and stored in the rack A for line A 162-A, rack for line B 162-B, rack for line C 162-C, rack for line D 162-D. Can do. Thereby, it is possible to prevent the gasket 12 from being inserted between the lines, and to realize highly reliable tightening management.
  • Racks 162-1, 162-2 ... 162-N line A rack 162-A, line B rack 162-B, line C rack 162-C, line D rack 162-D Is attached with a rack tag 164, and the rack tag 164 can identify the application destination and the gasket 12 to be stored.
  • Each rack 162-1, 162-2 ... 162-N, line A rack 162-A, line B rack 162-B, line C rack 162-C, line D rack 162-D Is recyclable and can provide the necessary gaskets 12 and their quantities to the construction site without excess or deficiency.
  • the tightening management may be performed by combining the tightening information obtained by the sensor 4 and the tightening information detected by a torque sensor provided in the tightening tool 18 or the like.
  • the tightened state of the tightened bolt 14 or gasket 12 can be grasped, and the detection result of the torque T added on the tightening side by the tightening tool 18 can be used for tightening management, and the tightened state by the flange 10 can be grasped in detail. It is possible to improve the accuracy of the tightening process and stabilize the tightening operation.
  • the tightening condition information may include information indicating the types and dimensions of the bolts 14 and the nuts 16 associated with the flange information and the gasket information, and information on the tightening tool 18 suitable for the nuts 16. Then, the tightening management may be performed by collating the information with the bolts 14, nuts 16, and tightening tools 18 to be used.
  • Information included in the tightening management may include information on the elapsed time since the last tightening operation.
  • the server 6 or the controller 132 may include a timer as a timing unit inside, or may acquire date and time information and time information from an external timing unit. Then, the server 6 may store elapsed time information from the information of the construction date / time section 70-28 stored in the log information table 70-2 and the current date / time information, for example. By storing such elapsed time information, it may be used for life management of the gasket 12, notification of replacement time, and the like.
  • the sensor 4 is illustrated as a means for acquiring tightening information during or after tightening.
  • the sensor 4 may be a sensor means for acquiring tightening information from a part other than the bolt.
  • the monitor 24 is provided as an example of the display means.
  • the information presentation means corresponding to the monitor 24 is provided in an external device connected to the server 6, and the tightening condition and evaluation are provided in the information presentation means. Tightening result information indicating the result may be presented.
  • the tightening result indicating the tightening state from the flange tightening portion side is acquired by the sensor, the flange and gasket are selected, and the tightening condition It is possible to realize integrated management of multi-function processing such as setting, tightening state determination, tightening result recording and information presentation, and flange tightening management independent of the operator's experience and intuition can be realized.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • General Factory Administration (AREA)
  • Gasket Seals (AREA)
  • Sealing Devices (AREA)
PCT/JP2017/027396 2016-08-08 2017-07-28 フランジの締付け管理方法、締付け管理システム、締付け管理プログラムおよび締付け管理装置 WO2018030175A1 (ja)

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JP2018532933A JP6654244B2 (ja) 2016-08-08 2017-07-28 フランジの締付け管理方法、締付け管理システム、締付け管理プログラムおよび締付け管理装置
KR1020197002762A KR102268947B1 (ko) 2016-08-08 2017-07-28 플랜지의 체결 관리 방법, 체결 관리 시스템, 체결 관리 프로그램 및 체결 관리 장치
SG11201900820TA SG11201900820TA (en) 2016-08-08 2017-07-28 Flange tightening management method, flange tightening management system, flange tightening management program, and flange tightening management device
CN201780046288.8A CN109478058B (zh) 2016-08-08 2017-07-28 凸缘紧固管理方法、紧固管理系统、存储介质和紧固管理装置

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TWI752989B (zh) 2022-01-21
SG11201900820TA (en) 2019-02-27
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