JPWO2019064444A1 - Flange tightening management system, management program, management device, control unit and management method - Google Patents

Abstract

An object of the present invention is to realize simplification, efficiency improvement or high accuracy of tightening of a bolt member arranged on a flange for tightening by sandwiching a sealing material. In order to achieve this purpose, it is a flange tightening management system that tightens between flanges sandwiching a sealing material with a plurality of sets of bolts and nuts (hereinafter referred to as "bolt members"), and identifies information of the bolt members (10). The information acquisition unit (22) to be acquired, the storage unit (26) that stores the identification information or position information of the bolt member, and the information acquisition unit are connected by wire or wirelessly, and the identification information of the bolt member is related to the position information. It is provided with a processing unit (24) that stores the bolt member identification information and the position information corresponding to the identification information from the storage unit (26).

Description

The present invention relates to an automation technique for flange tightening management using identification information and position information of bolt members arranged on flanges to be tightened by sandwiching a sealing material.

Bolts and nuts (hereinafter referred to as "bolt members") are used to fasten the flanges that sandwich the sealing material. For example, a torque wrench is used to rotate the bolt member.
In a flange where multiple bolt members are arranged, the position of the bolt members to be tightened, the tightening order, and the tightening force of each affect the fastening accuracy of the flange and the sealing accuracy of the sealing material. Therefore, in the tightening work using the torque wrench, It is important for workers to avoid human error.
Regarding this torque wrench, it is known that a fastening member (that is, a bolt member) to be tightened can be detected by an IC tag to automatically recognize a bolt (Patent Document 1).

JP-A-2016-093873

By the way, in a flange that sandwiches and tightens a sealing material, in a flange in which more than 20 sets of bolt members are arranged around a disk-shaped flange surface, the position of the bolt members, the tightening order, the number of laps, the operation of the tightening force, etc. The operation becomes complicated and the burden on the operator increases.
If the above-mentioned torque wrench or automatic recognition technology (Patent Document 1) is used, even if the identification information and the state information can be obtained from the bolt member operated by the torque wrench, the position, tightening order, number of laps of the bolt member, Since the adjustment of the tightening force is left to the operator, there is a problem that human error cannot be excluded from the tightening by the bolt members of the flange in which a plurality of sets of bolt members are arranged. Moreover, there is a problem that the work of recognizing the bolt member is added and the burden on the operator is not reduced.

Therefore, in view of the above problems, an object of the present invention is to realize simplification, efficiency improvement or high accuracy of tightening of bolt members arranged on flanges to be tightened by sandwiching a sealing material.

In order to achieve the above object, according to one aspect of the flange tightening management system of the present invention, flange tightening management in which the flanges sandwiching the sealing material are tightened with a plurality of sets of bolts and nuts (hereinafter referred to as "bolt members"). In the system, an information acquisition unit that acquires the identification information of the bolt member, a storage unit that stores the identification information or the position information of the bolt member, and the information acquisition unit are connected by wire or wirelessly to identify the bolt member. Is stored in the storage unit in relation to the position information, and includes a processing unit that reads out the position information corresponding to the identification information together with the identification information of the bolt member from the storage unit.

The flange tightening management system may further include an information presenting unit that presents the position information or the identification information.
In the flange tightening management system, the processing unit further stores the bolt member tightening order information in relation to the bolt member position information or identification information in the storage unit, and the position of the bolt member is the tightening order information. It may be determined that it fits the designated position and the tightening tool may be presented with instructions or information that the tightening is permitted or not allowed.
In the flange tightening management system, the processing unit may further store the bolt member tightening information in relation to the bolt member position information or identification information in the storage unit, and output the bolt member tightening information.
In the flange tightening management system, the information acquisition unit further acquires the axial force information of the bolt member and provides it to the processing unit, and the processing unit associates the axial force information with the identification information or the position information. It may be stored in the storage unit.
In the flange tightening management system, the processing unit may further generate tightening information by referring to the axial force information of the bolt member, and cause the tightening tool to output the tightening force.

In order to achieve the above object, according to one aspect of the flange tightening management program of the present invention, it is a flange tightening management program to be realized by a computer, and has a function of acquiring identification information of a bolt member and identification of a bolt member. The function of storing information or position information in the storage unit and the identification information of the bolt member are stored in the storage unit in relation to the position information, and the position information corresponding to the identification information is stored together with the identification information of the bolt member. The computer realizes the function of reading from the unit.

In the flange tightening management program, the function of storing the bolt member tightening order information in relation to the bolt member position information or the identification information in the storage unit and the position of the bolt member are set to the designated positions of the tightening order information. It may include a function of determining conformity and a function of presenting a tightening permission or non-tightening instruction or information to the tightening tool.
In the flange tightening management program, a function of storing bolt member tightening information in relation to the bolt member position information or identification information in the storage unit, a function of reading out tightening information for the bolt member, and the tightening information. It may include a function of presenting.
In the flange tightening management program, the information acquisition unit further has a function of acquiring axial force information of the bolt member and a function of relating the axial force information to the identification information or the position information and storing the axial force information in the storage unit. May include.
The flange tightening management program may further include a function of generating tightening information by referring to the axial force information of the bolt member and a function of outputting the tightening force to the tightening tool.

In order to achieve the above object, according to one aspect of the flange tightening management device of the present invention, it is a flange tightening management device that tightens between the flanges sandwiching the sealing material with a plurality of sets of bolt members, and provides identification information of the bolt members. The information acquisition unit to be acquired, the storage unit that stores the identification information or the position information of the bolt member, and the information acquisition unit are connected by wire or wirelessly, and the identification information of the bolt member is associated with the position information in the storage unit. It is provided with a processing unit that is stored and reads out the position information corresponding to the identification information from the storage unit together with the identification information of the bolt member.

The flange tightening management device may include an information presenting unit that presents the position information or the identification information.
In the flange tightening management device, the processing unit further stores the bolt member tightening order information in relation to the bolt member position information or identification information in the storage unit, and the position of the bolt member is the tightening order information. It may be determined that it fits the designated position and the tightening tool may be presented with instructions or information that the tightening is permitted or not allowed.
In the flange tightening management device, the processing unit may further store the tightening information of the bolt member in relation to the position information or the identification information of the bolt member in the storage unit, and output the tightening information to the bolt member.
In the flange tightening management device, the information acquisition unit further acquires axial force information of the bolt member and provides it to the processing unit, and the processing unit associates the axial force information with the identification information or the position information. It may be stored in the storage unit.
In the flange tightening management device, the processing unit may further generate tightening information by referring to the axial force information of the bolt member, and cause the tightening tool to output the tightening force.

In order to achieve the above object, according to one aspect of the tightening control unit of the present invention, it is a flange tightening control unit that tightens between flanges sandwiching a sealing material with a plurality of sets of bolt members, and is a tightening tool or tightening of bolt members. A unit housing that is detachably installed on a related member is provided, and the unit housing is installed together with a storage unit that stores identification information or position information of the bolt member, and the identification information is acquired from the information transmission unit of the bolt member. , The identification information is stored in the storage unit in relation to the position information, and the position information corresponding to the identification information is read out from the storage unit together with the identification information of the bolt member, and the information presentation or the tightening tool is controlled. To be equipped.

In order to achieve the above object, according to one aspect of the flange tightening management method of the present invention, it is a flange tightening management method in which a plurality of sets of bolt members are used to tighten between the flanges sandwiching the sealing material, and the identification information of the bolt members is obtained. The process of acquiring by the information acquisition unit, the process of storing the identification information or the position information of the bolt member, and the storage unit which is connected to the information acquisition unit by wire or wirelessly and associates the identification information of the bolt member with the position information. Includes a step of reading the identification information of the bolt member and the position information corresponding to the identification information from the storage unit.

In the flange tightening management method, further, a step of storing the bolt member tightening order information in relation to the bolt member position information or identification information in the storage unit and the position of the bolt member are set to the designated positions of the tightening order information. It may include a step of determining conformity and presenting a tightening permit or non-tightening instruction or information to the tightening tool.
The flange tightening management method may further include a step of storing the bolt member tightening information in relation to the bolt member position information or identification information in the storage unit and a step of outputting the tightening information to the bolt member. ..
In the flange tightening management method, further, the information acquisition unit acquires the axial force information of the bolt member and provides it to the processing unit, and the processing unit relates the axial force information to the identification information or the position information. It may include a step of attaching and storing it in the storage unit.
The flange tightening management method may further include a step of generating tightening information with reference to axial force information of the bolt member and causing the tightening tool to output the tightening force.

According to the present invention, any of the following effects can be obtained.
(1) Since the identification information of the bolt member arranged on the flange and the arrangement information of the bolt member on the flange are related, when the tightening tool is arranged on an arbitrary bolt member, the bolt is to be tightened. It is easy to recognize whether or not the members match.
(2) Even if the worker does not recognize the bolt member corresponding to a specific position on the flange, the bolt member that matches the placement position can be placed without mistake, causing human error or work by the worker. Highly reliable construction can be realized without imposing an excessive burden on the person.
(3) It is possible to simplify, improve efficiency or improve accuracy of seal construction.

It is a figure which shows the flange tightening management system which concerns on 1st Embodiment. It is a figure which shows the arrangement position and position information of a bolt member. It is a flowchart which shows the processing procedure of a tightening management system. It is a flowchart which shows the processing procedure of the tightening management system which concerns on 2nd Embodiment. It is a figure which shows the flange tightening management system which concerns on 3rd Embodiment. A is a diagram showing a flange tightening management system according to a fourth embodiment, and B is a diagram showing a flange tightening management system according to a modified example thereof. It is a figure which shows the flange tightening management system which concerns on Example 1. FIG. It is a figure for demonstrating acquisition of identification information of a bolt member. It is a figure which shows the hardware of the tightening tool. It is a figure which shows the hardware of an information terminal. It is a figure which shows the tightening information database. It is a flowchart which shows the processing procedure of flange tightening. It is a sequence diagram which shows the process of information registration. It is a sequence diagram which shows the process of final tightening. It is a figure which shows the screen transition at the time of registration of a bolt member. It is a figure which shows the screen transition at the time of the final tightening (one round) of a bolt member. It is a figure which shows the screen transition at the time of the final tightening of a bolt member (after two rounds). It is a figure which shows the error display of the information presentation part. It is a figure which shows the flange tightening management system which concerns on Example 2. It is a figure which shows the bolt member and the axial force sensor. It is a figure which shows the tightening information database. A is a diagram showing the reference axial force of the bolt member on the flange and the axial force distribution after tightening, and B is a diagram showing the reference axial force and the axial force distribution after tightening adjustment. It is a figure which shows the flange tightening management system which concerns on Example 3. FIG.

[First Embodiment]
FIG. 1 shows a flange tightening management system according to the first embodiment.
Flange 4-1 and 4-2 formed on each member 2-1 and 2-2 are used to connect members 2-1 and 2-2 such as pipes through which a fluid such as gas or liquid passes (hereinafter, simply referred to as simply. "Flange 4") is used. A sealing material 8 such as a gasket is sandwiched between the flanges 4, and a plurality of sets of bolt members 10 are installed on the peripheral edge of the sealing material 8. The bolt member 10 includes, for example, a bolt 10-1 and a pair of nuts 10-2. Therefore, by tightening the bolt member 10, the sealing material 8 is tightened between the flanges 4, and the joint portion 6 of the members 2-1 and 2-2 is sealed.

Regarding the bolt member 10, the information tag 12 is installed on the bolt 10-1 in this example. The information tag 12 is an example of an information transmission unit that wirelessly transmits the identification information of the bolt member 10. The identification information is information for identifying the bolt member 10, and may include an ID (IDentification) information for identifying the bolt member 10 and incidental information such as a material and a date of manufacture. Instead of the information tag 12, a display label may be installed on the bolt member 10, and identification information may be attached to the display label.
A tightening tool 14 such as a torque wrench is used to tighten the bolt member 10. The tightening tool 14 is provided with a flange tightening management system (hereinafter, simply referred to as “management system”) 20. The management system 20 includes an information acquisition unit 22, a processing unit 24, a storage unit 26, and an information presentation unit 28.

The information acquisition unit 22 acquires identification information from the information tag 12 under the control of the processing unit 24. When the information acquisition unit 22 is wirelessly or wiredly connected to the information tag 12, information such as acquisition of identification information of the bolt member 10 can be exchanged.
The processing unit 24 exchanges information with the information acquisition unit 22 connected by wire or wirelessly. The storage unit 26 stores identification information of the bolt member 10 and position information of the bolt member 10 on the flange 4. The position information of the bolt member 10 is information indicating the arrangement position of the bolt member 10 on the flange 4. For example, when the flange 4 is specified, the identification information and the position information of the bolt member 10 are associated with each other and stored in the storage unit 26.

The processing of the processing unit 24 includes the following information processing.
a) Acquisition of identification information of the bolt member 10.
b) The identification information is stored in the storage unit 26 in relation to the position information of the bolt member 10 on the flange 4.
c) When the tightening tool 14 is placed on the bolt member 10 on the flange 4, identification information is acquired from the bolt member 10 on which the tightening tool 14 is installed.
d) Reading the position information corresponding to the identification information from the storage unit 26.
Then, the information presenting unit 28 is controlled by the processing unit 24 to present information such as identification information and position information of the bolt member 10 as well as control information of the tightening tool 14. The information presenting unit 28 may be installed on the tightening tool 14 side together with the processing unit 24, or may be configured as an independent information terminal.

As shown in FIG. 2, a plurality of sets of bolt members 10 are circularly arranged on the flange 4 at regular angular intervals. Therefore, the position information of each bolt member 10 can be specified by, for example, the parenthesized numbers [1], [2], ... [12] attached to the hand movement direction of the clock on the flange 4.

<Processing procedure of the first embodiment>
FIG. 3 shows a processing procedure of the management system 20. This processing procedure is an example of processing or processing method by executing a program. Each function, process or step is indicated by the number together with the step (= S). This is common to each of the following embodiments and examples.
According to this processing procedure, the information acquisition unit 22 is connected to the processing unit 24 by wire or wirelessly (S101). After this linkage operation, the information acquisition unit 22 acquires identification information from the bolt member 10 on the flange 4 (S102). The processing unit 24 stores the identification information of the bolt member 10 in the storage unit 26 in relation to the position information representing the arrangement position on the flange 4 (S103).

The processing unit 24 monitors the operation of the tightening tool 14 and determines whether the tightening tool 14 is arranged on an arbitrary bolt member 10 (S104).
When the tightening tool 14 is arranged on the bolt member 10 (YES in S104), identification information is acquired from the bolt member 10 in which the tightening tool 14 is installed (S105), and the position information corresponding to this identification information is stored in the storage unit. Read from 26 (S106).
If the tightening tool 14 is not arranged on the bolt member 10 (NO in S104), the bolt member 10 is in a standby state in S104 until the tightening tool 14 is arranged.

By such a processing procedure, it is possible to recognize the identification information of the bolt member 10 and the position information indicating the position where the bolt member 10 should be arranged, triggered by the arrangement of the tightening tool 14.

<Effect of the first embodiment>
According to the first embodiment, the following effects can be obtained.
(1) Identification of bolt members placed on the flange can be automated, and matching or placement accuracy of bolt members can be improved.
(2) Highly reliable construction can be realized without human error of the worker or imposing an excessive burden on the worker.
(3) It is possible to simplify, improve efficiency or improve accuracy of tightening of bolt members.
(4) In the first embodiment, the information acquisition unit 22, the processing unit 24, the storage unit 26, and the information presentation unit 28 are configured in the management system 20 including independent units, but these functional units are one. It is not necessary to install them in one place, and the installation intervals can be set arbitrarily in multiple places and scattered, and they can be linked by wire or wirelessly. Further, the management system 20 can be configured as a management device by incorporating the information acquisition unit 22, the processing unit 24, and the storage unit 26 in one housing. Further, the information presentation unit 28 may be provided separately from such a management device, or may be incorporated in the management device.

[Second Embodiment]
The management system 20 according to the second embodiment has a configuration in which the tightening tool 14 is controlled. In this embodiment, in addition to the identification information of the bolt member 10 and the position information thereof, the information presenting unit 28 is presented with information such as instruction information for tightening permission or non-tightening as an operation mode of the tightening tool 14.
In this embodiment, the processing of the processing unit 24 includes the following information processing.
e) The tightening order information of the bolt member 10 on the flange 4 is stored in the storage unit 26 in relation to the position information or the identification information of the bolt member 10.
f) When the tightening tool 14 is arranged on an arbitrary bolt member 10, it is determined whether the position information of the bolt member 10 on which the tightening tool 14 is arranged is the position information conforming to the tightening order.
g) Presenting instructions or information to the tightening tool 14 to the information presenting unit 28 for permission or non-tightening.
h) Further, the control of the tightening tool 14 may include a control for putting the tightening tool 14 into a tightening permitted state or a tightening disabled state.

<Processing procedure of the second embodiment>
FIG. 4 shows a processing procedure of the management system 20. According to this processing procedure, the information acquisition unit 22 is connected to the processing unit 24 by wire or wirelessly (S201).
After this linkage operation, the information acquisition unit 22 stores the tightening order information of the bolt member 10 with respect to the flange 4 in the storage unit 26 in relation to the position information or the identification information of the bolt member 10 (S202).

The processing unit 24 determines whether the tightening tool 14 is arranged on any bolt member 10 (S203). It is determined whether the position where the tightening tool 14 is arranged matches the position information of the tightening order (S204).
If the position of the tightening tool 14 is suitable (YES in S204), the processing unit 24 causes the information presenting unit 28 to present the tightening permission information (S205). If the position of the tightening tool 14 does not match (NO in S204), the processing unit 24 causes the information presenting unit 28 to present an instruction or information that cannot be tightened (S206).

<Effect of the second embodiment>
According to the second embodiment, the following effects can be obtained.
(1) The tightening order can be automated as well as the identification of bolt members.
(2) The tightening order and mistakes of the tightening target can be confirmed in advance, and the tightening position of the bolt member can be determined and its accuracy can be improved.

[Third Embodiment]
FIG. 5 shows an example of the management system 20 according to the third embodiment. In FIGS. 5 to 7, the same parts as those in FIG. 1 are designated by the same reference numerals.
In this management system 20, as shown in FIG. 5, an information acquisition unit 30 and a control unit 32 are provided for the flange 4 and the tightening tool 14. The information acquisition unit 30 is provided with the above-mentioned information acquisition unit 22 and communication unit 34. The information acquisition unit 30 constitutes two units separated from the control unit 32, and is detachably installed on the bolt member 10 of the flange 4.

The control unit 32 includes a processing unit 24, a storage unit 26, an information presentation unit 28, and first and second communication units 36 and 38. The communication unit 36 makes a wired or wireless communication connection with the communication unit 34 on the information acquisition unit 30 side, and can take in the information acquired by the information acquisition unit 30. Since the functions of the processing unit 24, the storage unit 26, and the information presentation unit 28 are as described above, the description thereof will be omitted.
The tightening tool 14 is provided with a control unit 40 and a communication unit 42. The control unit 40 is a means for controlling the tightening of the drive system of the tightening tool 14. The communication unit 42 makes a wired or wireless communication connection with the control unit 32, and exchanges information with the communication unit 38 on the control unit 32 side.

<Effect of the third embodiment>
According to the third embodiment, the following effects can be obtained.
(1) The information acquisition unit 30 is separated from the control unit 32 and installed on the flange 4 side, and can function as a relay unit between the information tag 12 (FIG. 1) on the bolt member 10 side and the control unit 32. That is, since it is separated from the control unit 32, it can be freely installed on the flange 4 side independently of the control unit 32.
(2) The identification information output by the information tag 12 is transmitted to the control unit 32 via the information acquisition unit 30, and the control unit 32 can generate control information and presentation information using the acquired identification information. ..
(3) The control unit 32 can generate information to be provided to the tightening tool 14 with high accuracy without being affected by the arrangement of the information acquisition unit 30 or the like.

[Fourth Embodiment]
FIG. 6A shows an example of the tightening management system according to the fourth embodiment. In A of FIG. 6, the same parts as those of FIG. 5 are designated by the same reference numerals.
As shown in A of FIG. 6, the management system 20 has a configuration in which the information acquisition unit 30 is integrally provided with the functional unit of the control unit 32 described above. The information acquisition unit 30 includes the above-mentioned information acquisition unit 22, a processing unit 24, a storage unit 26, an information presentation unit 28, and a communication unit 38, and has a one-unit configuration. That is, the information acquisition unit 30 has a built-in function of the control unit 32 and can be detachably installed on the bolt member 10 of the flange 4.
In such a configuration, information such as identification information acquired by the information acquisition unit 22 is taken into the processing unit 24 directly connected to the information acquisition unit 22. The communication unit 38 makes a wired or wireless communication connection with the communication unit 42 of the tightening tool 14 (FIG. 5) to exchange information.
Since the functions of the processing unit 24, the storage unit 26, and the information presentation unit 28 are as described above, the description thereof will be omitted.

FIG. 6B shows a modified example of the management system 20 according to the fourth embodiment. In B of FIG. 6, the same parts as those of FIG. 5 are designated by the same reference numerals. In this modification, the configuration shown in A of FIG. 6 is the information acquisition unit 30, whereas the control unit 32 is configured with the same function. That is, the control unit 32 incorporating the information acquisition unit 22 can be detachably installed on the bolt member 10 of the flange 4. In addition, the same part is given the same reference numeral, and the explanation thereof is omitted.

<Effect of the fourth embodiment>
According to the fourth embodiment, the following effects can be obtained.
(1) By integrating the information acquisition unit 30 and the control unit 32, it is possible to unify the parts or devices that make up the system.
(2) From the viewpoint of the operator who operates the tightening tool 14, the labor can be reduced by simplifying the device.
(3) Cost reduction can be achieved by unifying or simplifying the equipment.

<Flange tightening system>
FIG. 7 shows a flange tightening management system and a flange tightening control unit according to the first embodiment. The configuration shown in FIG. 7 is an example, and the present invention is not limited to such a configuration. In FIG. 7, the same or corresponding members as those in FIG. 1 are designated by the same reference numerals.
The management system 20 according to the first embodiment is provided with an information acquisition unit 30 and an information terminal 50. The information acquisition unit 30 is detachably installed on the gear unit 52 on the tightening tool 14 side. The gear unit 52 is provided with a socket 54 that is coupled to the bolt member 10.
The information terminal 50 is an example of the control unit 32 (FIG. 5) described above. The information terminal 50 can exchange information with the information acquisition unit 30 by wireless communication, and can exchange information with the tightening tool 14 by wireless communication.
The information terminal 50 is provided with a display unit 58 and an input operation unit 60 on the front surface of the housing 56. The display unit 58 is an example of the information presentation unit 28, and is provided with a touch panel 62. The input operation unit 60 includes a plurality of keys and is used for inputting position information of the bolt member 10 of the flange 4.

<Acquisition of information on bolt member 10>
FIG. 8A shows an example of the bolt member 10 and the information acquisition unit 30. As described above, the bolt member 10 is provided with the bolt 10-1 and the nut 10-2. For example, as shown in B of FIG. 8, the information tag 12 is installed on the top of the bolt 10-1. As described above, the information tag 12 transmits, in addition to the ID information for identifying the bolt member 10, incidental information such as the material and the date of manufacture by wireless signals. The information tag 12 is, for example, an IC (Integrated Circuit) chip, and has a transmitting antenna 66 on the surface of the chip body 64. The radio signal generated by the chip body 64 of the information tag 12 is transmitted from the transmitting antenna 66.

The information acquisition unit 30 is provided with a housing 68 that can be attached to and detached from the gear unit 52 on the tightening tool 14 side. For example, a receiving antenna 70, a receiving unit 72, a signal conversion unit 74, a transmitting unit 76, and a transmitting antenna 78 are installed in the housing 68 as functional units of the information acquisition unit 30. The housing 68 may be provided with a magnet for fixing to the gear unit 52. If the gear unit 52 is a ferromagnetic material such as iron, the housing 68 can be fixed to the gear unit 52 (FIG. 7) and maintained in a fixed position by magnetizing, and can be moved as necessary. You can also.
The receiving antenna 70 is made of, for example, an elastic member such as a coil spring made of a conductor material, and if the tip thereof is arranged on the top of the bolt 10-1, it can be electromagnetically coupled to the transmitting antenna 66 on the information tag 12 side. Can be done.
When the radio signal from the information tag 12 is received by the receiving antenna 70, the receiving unit 72 acquires an information signal such as an ID from the received signal and hands it over to the signal conversion unit 74. The signal conversion unit 74 performs processing for level conversion of the signal and conversion of the format of the information signal into, for example, a format conforming to the specifications on the information terminal 50 side. An information signal is provided to the transmission unit 76 from the signal conversion unit 74, and the transmission unit 76 generates a transmission signal for transmitting the information signal and transmits it from the transmission antenna 78. This signal is in the short-range wireless signal format, for example, Bluetooth® format.

<Tightening tool 14>
FIG. 9 shows an example of the hardware of the tightening tool 14. The tightening tool 14 includes a motor 80, a torque sensor 82, a control unit 40 (FIG. 5), a communication unit 42 (FIG. 5), and an information presentation unit 84.
The motor 80 is driven by a motor drive unit on the control unit 40 side. A gear unit 52 is connected to the rotating shaft 86 of the motor 80, and a tightening torque τ is applied to the nut 10-2 of the bolt member 10 via the gear unit 52. The gear unit 52 includes a gear mechanism that converts the rotation of the rotating shaft 86, and transmits the tightening torque τ to the socket 54 at a desired gear ratio. This tightening torque τ is detected by the torque sensor 82 and is taken into the control unit 40. The torque sensor 82 may detect the tightening torque τ acting on the bolt member 10 side, and may be provided outside the tightening tool 14.

The control unit 40 is provided with a computer together with the motor drive unit described above. The information terminal 50 provides control information such as a torque value to the control unit 40. When the trigger switch 88 is conducting, a drive current flows from the control unit 40 to the motor 80.
The communication unit 42 is a means for connecting the information terminal 50 (FIG. 7) to the control unit 40, and exchanges information with the information terminal 50. The connection by the communication unit 42 may be a wired connection as well as a wireless connection.
The information presenting unit 84 is controlled by the control unit 40 and presents control information such as information acquired from the information terminal 50, information sent to the information terminal 50, and detection information.

<Hardware of information terminal 50>
FIG. 10 shows the hardware of the information terminal 50. The information terminal 50 is an example of the control unit 32 (FIG. 5) described above.
The information terminal 50 is not only a control means for the tightening tool 14, but also an example of a seal construction management means for flange tightening.
For example, a computer is used in the information terminal 50, and includes a processor 90, a storage unit 26, an input / output unit (I / O) 92, an input operation unit 60, a touch panel 62, communication units 36 and 38, and an information presentation unit 28. Be done.

The processor 90 is an example of processing means, and performs information processing such as an OS and a flange tightening management program in the storage unit 26. In this information processing, tightening condition information is acquired from a server (not shown), tightening conditions including torque values are input to the tightening tool 14, output torque T is acquired from the tightening tool 14, monitoring and evaluation of the tightening state, and display of evaluation results. , Output of tightening result information, etc. may be included.
The storage unit 26 is used for storing the OS, the flange tightening management program, the tightening condition information, the detection information, and the like, and is provided with a ROM and a RAM. A storage element capable of holding the stored contents may be used for the storage unit 26. The tightening information database (DB) 94 is stored in the storage unit 26.

The I / O 92 is controlled by the processor 90 and used for input / output of control information. For this I / O 92, for example, a barcode reader or a detachable external memory is used as an external device. A barcode reader is an example of an information acquisition unit. As the external memory, for example, a USB (Universal Serial Bus) memory may be used as a memory for extracting log information.
The input operation unit 60 includes a key switch, a touch sensor, and the like, and is used for input information input triggers, output information retrieval triggers, mode switching, and the like.

The communication unit 36 is controlled by the processor 90 and is used for a wireless connection with the information acquisition unit 30 and the Bluetooth communication connection described above. The communication unit 38 is controlled by the processor 90 and is used for wireless connection with the tightening tool 14 and Internet connection.
The information presenting unit 28 is controlled by the processor 90 and is an example of means for presenting input information and output information. The control information and input information described above are displayed on the information presentation unit 28. By touching the touch panel 62, desired information can be input to the processor 90.

<Tightening information DB94>
FIG. 11 shows an example of the tightening information DB 94. The tightening information DB 94 stores bolt number information 96, date and time information 98, correctness information 100, bolt number information 102, and tag information 104. The number of bolts information 96 stores the number of bolt members 10 installed in units of the flange 4. The date and time information 98 stores the year, month, day, hour, and seconds as the date and time indicating the work time. The correctness information 100 stores information indicating whether or not the bolt member 10 to which the tightening tool 14 is applied is correct with respect to the reference tightening order. In this case, positive = ○ and negative = × are displayed, but they may be symbols.

The bolt number information 102 stores the bolt numbers (for example, [1], [2] ... [12] in FIG. 2) that specify the position of the bolt member 10 as the position information of the bolt member 10 on the flange 4. To.
The tag information 104 stores information such as an ID acquired by the information acquisition unit 30 from the information tag 12 of the bolt member 10.
According to the tightening information DB 94, the bolt number information 102 and the tag information 104 are related to each other, and it is possible to specify at which position the specific bolt member 10 is on the flange 4, in other words, the identification on the flange 4. The bolt member 10 can be specified from the position.

<Processing procedure from registration to final tightening>
FIG. 12 shows a processing procedure for flange tightening work. This processing procedure is an example of a flange tightening control program or tightening process.
In this processing procedure, after the power is turned on and the initial settings are made, the wireless connection between the information acquisition unit 30 and the information terminal 50 is established (S301). After this wireless connection, it is determined whether the tightening management program is terminated (S302). If the tightening management program is terminated (YES in S302), this processing procedure is terminated.

When continuing this application (NO in S302), the screen of the information presentation unit 28 is displayed (S303). Information such as application startup, registration, and tightening (FIGS. 15 and 16), error information display (FIG. 17), and the like are displayed on this screen display.
After this screen display, the process proceeds to the registration process (S304). This registration process includes registration of preparation information before tightening, such as registration of the bolt member 10, and the registration information is stored in the tightening information DB 94.
In this registration process, it is determined whether or not the reset has been performed by operating the reset button on the display screen (S305). If it is reset (YES in S305), the registration process is interrupted and the screen display returns to (S303).

If it is not reset (NO in S305), the registration process (S304) is continued, and if the registration process is completed, the process proceeds to the final tightening process of the bolt member 10 (S306).
In this final tightening, it is determined whether or not the processing has been reset by operating the reset button on the display screen (S307). If it is reset (YES in S307), the registration process is interrupted and the screen display (S303) is restored.
If it is not reset (NO in S307), the final tightening (S306) is continued, and this process ends when the final tightening is completed.

<Registration of information on bolt member 10>
FIG. 13 shows a processing sequence of information registration of the bolt member 10. Prior to this registration process, the information terminal 50 is wirelessly connected to the information acquisition unit 30 (S401). After the establishment of this wireless connection, the information terminal 50 gives an instruction to the information acquisition unit 30 to acquire information (S402). Upon receiving this instruction, the information acquisition unit 30 acquires information from the information tag 12 (FIG. 1) of the bolt member 10 and notifies the information terminal 50 (S403).
The information terminal 50 registers the information acquired from the information tag 12 (S404). During this registration, it is determined whether or not the registration of information has been completed for all the bolt members 10 to be registered on the flange 4 (S405).
If the registration of information is not completed for all the bolt members 10 on the flange 4 (NO in S405), the process returns to S402, and the information acquisition and notification (S403) is continued, and the registration of the information (S404) is continued.
After this process, if the registration of information for all the bolt members 10 to be registered on the flange 4 is completed (YES in S405), the registration process is completed (S406).

<Final tightening of bolt member 10>
FIG. 14 shows a final tightening processing sequence after information registration (FIG. 13) of the bolt member 10. Prior to this final tightening process, the information terminal 50 is wirelessly connected to the information acquisition unit 30 (S501). After the establishment of this wireless connection, the information terminal 50 gives an instruction to the information acquisition unit 30 to acquire information (S502). Upon receiving this instruction, the information acquisition unit 30 acquires information from the information tag 12 and notifies the information terminal 50 (S503).
The information terminal 50 determines whether the information acquired from the information tag 12 is appropriate (S504). That is, in this S504, when the operator installs the information acquisition unit 30 on the bolt member 10 as the target of final tightening, the information obtained from the bolt member 10 is combined with the information of the bolt member 10 to be tightened. Determine if you are doing it.

If the information acquired from the information acquisition unit 30 is appropriate (YES in S504), an appropriate display is performed (S505), and if the acquired information is inappropriate (NO in S504), an inappropriate display is performed (S506). .. As a result, the operator is urged to move the information acquisition unit 30 and the tightening tool 14 to an appropriate position from the displayed contents.
When this improper display is issued, the system returns to S502, an instruction to acquire information is issued from the information terminal 50 (S502), and the information acquisition unit 30 acquires information again and notifies the information (S503).

Then, if an appropriate display is obtained (S505), the information terminal 50 instructs the tightening tool 14 to allow final tightening (S507). With this final tightening permission, the trigger switch 88 of the tightening tool 14 can be pressed. As a result, the tightening tool 14 is finally tightened (S508), and the tightening tool 14 issues a final tightening notification (S509).
The information terminal 50 receives the final tightening notification from the tightening tool 14, and determines whether the final tightening of all the bolt members 10 to be registered on the flange 4 has been completed (S510).
If the final tightening of all the bolt members 10 on the flange 4 is not completed (NO in S510), the process returns to S502 and the final tightening process of S502 to S510 is continued.
After this process, if the final tightening of all the bolt members 10 to be registered on the flange 4 is completed (YES in S510), the final tightening is completed (S511).

<Screen display at the time of registration>
A, B ... E in FIG. 15 show the transition of the screen display at the time of registration. This screen display is an example, and the present invention is not limited to such display contents.
(1) Starting the tightening management program When the tightening management program is started and the information acquisition unit 30 and the information terminal 50 are connected, the start screen 106 is displayed on the display unit 58 of the information terminal 50 as shown in A of FIG. Will be done. On the start screen 106, the program name display unit 108, the end button 110 and the connection form display unit 112 are displayed on the upper side of the program name display unit 108, and the registration button 114 and the final tightening button 116 are displayed on the lower side of the program name display unit 108. Is displayed. The end button 110, the registration button 114, and the final tightening button 116 are icons for instructing the transition of processing, and the processing can be selected by operation. That is, this process can be terminated by operating the end button 110. If the registration button 114 is operated, the mode shifts to the registration mode, and if the final tightening button 116 is operated, the mode shifts to the final tightening mode.

(2) Registration start When the registration button 114 on the startup screen 106 (A in FIG. 15) is pressed, the transition to the registration screen 118-0 shown in B in FIG. 15 is entered. The registration screen 118-0 is provided with a number display unit 120, an end button 110, a registration button 114, a final tightening button 116, and a bolt number display unit 122. The number being input is displayed on the number display unit 120. The number of the bolt member 10 is displayed on the bolt number display unit 122 as a target for information registration. “0” indicates a state in which the bolt member 10 is not selected.

(3) Registration display When the registration button 114 on the registration screen 118-0 (B in FIG. 15) is pressed, the screen transitions to the registration screen 118-1 shown in C in FIG. The registration screen 118-1 is provided with a number display unit 120, a reset button 126, a registration button 114, a final tightening button 116, a bolt number display unit 122, and a completion button 128.
On the number display unit 120, the input number "1" that has transitioned from the above-mentioned number "0" is displayed. The reset button 126 is an icon for resetting the registration process, and by pressing the reset button 126, it is possible to transition to the registration screen 118-0 (B in FIG. 15), which is the initial screen for registration.

The bolt number display unit 122 displays the number [1] of the bolt member 10 that has transitioned from the above-mentioned number “0” as the target of information registration. In this case, pressing the completion button 128 completes the registration process.
Then, D in FIG. 15 is a registration screen 118-2 transitioned from C in FIG. 15 in order to register the number [2] of the bolt member 10. Similarly, after passing through the numbers [3] ... [7] of the bolt member 10, E in FIG. 15 is a registration screen 118-8 transitioned to register the number [8] of the bolt member 10.

<Screen display of final tightening>
A, B ... D in FIG. 16 show screen transitions at the time of final tightening. This screen display is an example, and the present invention is not limited to such display contents.
(1) Start of final tightening (first round) When the final tightening button 116 on the start screen 106 (A in FIG. 15) is pressed, the transition to the final tightening screen 130-0 shown in A in FIG. 16 is performed. The final tightening screen 130-0 is provided with a number display unit 120, a reset button 126, a registration button 114, a final tightening button 116, and a bolt number display unit 122. If the total number of screens is, for example, "8" on the number display unit 120, the number "0/8" being input for the number of screens is displayed. In this case, pressing the reset button 126 returns to the registration screen 118-0 (B in FIG. 15). The number of the bolt member 10 is displayed on the bolt number display unit 122 as a target for information registration. “0” indicates a state in which the bolt member 10 is not selected.

(3) Final tightening (first round) display When the final tightening button 116 on the final tightening screen 130-0 (A in FIG. 16) is pressed, the transition to the final tightening screen 130-11 shown in B in FIG. 16 is performed. The final tightening screen 130-11 is provided with a number display unit 120, a reset button 126, a registration button 114, a final tightening button 116, a bolt number display unit 122, and a back button 132.
On the number display unit 120, the input number "1" that has transitioned from the above-mentioned number "0" is displayed. The reset button 126 is an icon for resetting the registration process, and by pressing the reset button 126, it is possible to transition to the final tightening screen 130-0 (A in FIG. 16), which is the initial screen for final tightening.

The bolt number display unit 122 displays the number [1] of the bolt member 10 that has transitioned from the above-mentioned number “0” as the target of information registration. In this state, the final tightening (first round) of the bolt member 10 according to the number [1] can be performed. In this case, when the back button 132 is pressed, the screen returns to the previous screen (A in FIG. 16).
C in FIG. 16 is a final tightening screen 130-12 transitioned from B in FIG. 16 in order to final tighten the number [2] of the bolt member 10. Similarly, after passing through the numbers [3] ... [7] of the bolt member 10, D in FIG. 16 is a registration screen 130-18 transitioned for final tightening of the number [8] of the bolt member 10.

(4) Final tightening (second and subsequent rounds) display A, B, and C in FIG. 17 indicate screen transitions of the final tightening (second and subsequent rounds). As is well known, in flange tightening, a plurality of bolt members 10 are circulated and tightened stepwise. After completing the first round of tightening, the process shifts to the second round of tightening that patrols the bolt member 10, and the final tightening is completed by a plurality of patrols.
When the first round is completed, the final tightening screen 130-21 shown in A of FIG. 17 is displayed in the second round. Like the final tightening screen 130-0, the final tightening screen 130-21 is provided with a number display unit 120, a reset button 126, a registration button 114, a final tightening button 116, a bolt number display unit 122, and a back button 132. ..

In this case, "1 / 8-2" is displayed on the number display unit 120 as a number display indicating that the final tightening is the second round. That is, of "1 / 8-2", "1/8" means that the number of bolt members 10 is "8" and represents the screen of "1", and "-2" indicates the screen of the second round. Represents. "-N" will be displayed according to the number of cycles n. The display of B and C in FIG. 17 is the same as that of C and D in FIG. 16, although the number display unit 120 is different.
Then, when the completion button 128 is pressed at the end of the final tightening, the final tightening mode is completed and the final tightening screen 130-0 (A in FIG. 16) is returned.

<Error detection and error display>
FIG. 18A shows a screen display of a registration error. There are both registration error and final tightening error in the error handling of this management system. In the registration error, for example, after the bolt members 10 [1] to [4] are normally registered, the operator installs the information acquisition unit 30 on the already registered bolt member 10 and attempts to re-register. There is.
If the information registration of the bolt member 10 for which registration has been attempted has already been registered, an error screen 134-4 is displayed as shown in A of FIG.

The error screen 134-4 includes a number display unit 120, a reset button 126, a registration button 114, a final tightening button 116, an error display unit 136, a guide display 138, and a completion button 128. In this case, "4" is displayed on the number display unit 120 as the number of the bolt member 10 that the operator tried to register. Since the information has already been registered for the bolt member 10, "registered" is displayed on the error display unit 136 as an indication of the error status.
Regarding this error display, "The fourth bolt has been registered" is displayed on the guide display 138 as guide information for the operator together with the notification information of the error state.

B in FIG. 18 shows a screen display of a final tightening error. If the bolt member 10 for which final tightening has been attempted has already been final tightened, an error screen 134-7 is displayed as shown in B of FIG.
The error screen 134-7 is provided with a number display unit 120, a reset button 126, a registration button 114, a final tightening button 116, an error display unit 136, a back button 132, and a guide display 140. In this case, "7/8" is displayed on the number display unit 120 as the number of the bolt member 10 for which the operator has completed the final tightening.

When the operator tries to perform the final tightening on the final tightening number [7] that has already been performed, the bolt member 10 has already been fully tightened. Therefore, the error display unit 136 displays the error status as ". 7 ”is displayed.
Regarding this error display, on the guide display 140, along with the notification information of the error state, as guide information for the operator, as message information for guiding to the bolt member 10 in the order of final tightening, "Tighten the sixth bolt. . "Is displayed.

<Effect of Example 1>
According to the first embodiment, the following effects can be obtained.
(1) The same effects as those of the first to fourth embodiments can be obtained, and the tightening work of the bolt member 10 on the flange 4 can be facilitated, improved in efficiency, and improved in accuracy.
(2) Since the tightening position can be easily specified and the operator can be guided by the guide information when a mistake occurs, erroneous operation can be prevented.
(3) The reliability of seal construction can be improved.

<Flange tightening system>
FIG. 19 shows the management system 20 according to the second embodiment. In FIG. 19, the same parts as those in FIG. 7 are designated by the same reference numerals.
In the management system 20 according to the second embodiment, axial force sensors 142-1, 142-2 ... 142-n are provided corresponding to each bolt 10-1 of the bolt member 10 installed on the flange 4. The axial force sensors 142-1, 142-2 ... 142-n detect the axial force applied to each bolt member 10. After being collected by the data logger 144, the detection axial force is transmitted from the communication unit 146 to the information terminal 50 together with the identification information of the bolt member 10. The detection axial force is transmitted to the data logger 144 wirelessly or by wire.

<Axial force detection of bolt member 10>
FIG. 20 shows an example of the bolt member 10 provided with the axial force sensor 142. An information tag 12 is arranged at one end of the bolt 10-1 of each bolt member 10, and a cavity 141 is formed inside the bolt from the other end. An axial force sensor 142 is installed in the cavity 141. The axial force sensor 142 is an example of means for detecting the axial force applied to each bolt 10-1, and for example, a strain sensor may be used. The axial force sensor 142 is provided with an output extraction unit 148, and the data logger 144 described above is connected to the output extraction unit 148. A conductor wire such as a coaxial cable may be used for the output extraction unit 148.

<Database>
FIG. 21 shows the tightening information DB 94 in which the axial force information is stored. In this tightening information DB 94, based on the tightening information DB 94 shown in FIG. 11, axial force information is stored together with identification information of the bolt member 10.
In this tightening information DB 94, a reference axial force unit 150 and a detection axial force unit 152 are set. The reference axial force unit 150 stores the reference axial forces Yref1, Yref2, ... Related to the identification information of the bolt member 10. As an example of the axial force information, the reference axial force Yref1, Yref2 ... Are the reference values of the set axial force Y.
As an example of tightening information of the bolt member 10, the detection axial force unit 152 contains information on tightening of the detection axial forces Y1, Y2 ..., Torque, etc. obtained from the axial force sensors 142-1, 142-2 ... Is stored.
Although not shown, the reference axial force portion 150 and the detection axial force portion 152 store axial force values according to the circulation of tightening of the bolt member 10.

<Distribution of reference axial force Yref and detected axial force Y>
FIG. 22A shows the screen display before the axial force adjustment. Before the axial force adjustment, the distribution figure of the reference axial force Yref and the detected axial force Y is displayed on the display screen of the display unit 58.
On the display screen of the display unit 58, the center of the flange 4 is set as the coordinate center, and for example, the coordinate axes y1, y2 ... y12 corresponding to the arrangement of the 12 bolt members 10 are displayed. The angle formed by the adjacent coordinate axes y of the respective coordinate axes y1, y2 ... y12 corresponds to the arrangement angle of the bolt member 10, and in this example, it is 30 degrees. Axial force levels are set in the radial direction of each coordinate axis y1, y2 ... y12, and 0 to 120 indicate the magnitude of the axial force level.

The reference axial force Yref of the bolt member 10 on the flange 4 is a regular dodecagon with the positions of the coordinate axes y1, y2 ... y12 as the apex angles. On the other hand, the axial force sensors 142-1, 142-2 ... Show the detected axial force of the bolt member 10. That is, the detected axial force Y in [4] and [7] coincides with the reference axial force Yref, whereas the detected axial force Y in [5] and [6] exceeds the reference axial force Yref. The detected axial force Y in [1] to [3] and [8] to [12] has not reached the reference axial force Yref. From these values, the detection axial force Y has a dodecagon shape in which the positions of the apex angles are different.
While visually recognizing the difference between the detected axial force Y and the reference axial force Yref, the axial force is adjusted so that the detected axial force Y reaches the reference axial force Yref.

FIG. 22B shows a screen display after adjusting the axial force. After adjusting the axial force, the display screen of the display unit 58 displays a distribution figure of the detected axial force Y after adjusting the axial force together with the reference axial force Yref. In B of FIG. 22, the same parts as A of FIG. 22 are designated by the same reference numerals.
As a result of the axial force adjustment, the distribution figure of the detected axial force Y generally matches the distribution figure of the reference axial force Yref, and an ideal axial force distribution can be obtained. Since such adjustment of the axial force distribution can be performed based on the visual recognition of the screen display, the operator can easily improve the skill of the adjustment sense as well as simplify the work.

<Effect of Example 2>
According to the second embodiment, the following effects can be obtained.
(1) The detected axial force of the bolt member 10 can be acquired together with the identification information, the axial force and the tightening torque can be easily managed, and the accuracy can be improved.
(2) The axial force can be adjusted while visually comparing the detected axial force with the reference axial force, and the axial force can be set according to the reference axial force.

<Flange tightening management system>
FIG. 23 shows the management system 20 according to the third embodiment. In FIG. 23, the same parts as those in FIG. 19 are designated by the same reference numerals.
The management system 20 according to the third embodiment is configured as a training system. In this management system 20, a flange 4 is installed on the top of the training base 156 erected on the floor 154, and the bolt member 10 described above is installed on the flange 4. A tightening tool 14 is used as a means for tightening the bolt member 10. The tightening tool 14 is provided with the above-mentioned information acquisition unit 30 detachably. That is, when the tightening tool 14 is arranged on the bolt member 10 of the flange 4, the identification information from the information tag 12 of the bolt member 10 can be output.

In this example, the detection axial force Y of each axial force sensor 142 provided on the bolt member 10 is taken into the data logger 144 on the training table 160 side via the cable 158. The data logger 144 is controlled by PC 162, which is an example of the processing unit 24 (FIG. 1), and the detection axial force Y is taken into PC 162.
The PC 162 is provided with an information presentation unit 28, and the detection axial force Y and the reference axial force Yref described above are displayed on the display unit 164.
The training table 160 can be moved to a desired training base 156 or the like by the casters 166.

<Effect of Example 3>
According to the third embodiment, the seal construction can be performed with the same feeling as that of the actual machine, and the skill of the seal construction can be improved.

[Other Embodiments]
(1) In the above embodiments and examples, the tightening management system has been described, but the present invention can be configured and used as a tightening management training system as illustrated in the third embodiment. It is not limited to the embodiment.
(2) In the above embodiment, the error display and the guide information are specified as character information, but graphic information or voice information may be output together with such character information. Needless to say, the operation of the device is stopped when a dangerous state occurs.

(3) Although the level value of the detected axial force is specified, the present invention is not limited to such a numerical value.
(4) The number of bolt members installed is described in 8 to 12, but these are examples, and the present invention can cope with the number of bolt members installed more than this, and the number of bolt members installed can be 8 to 12 or less. It may be made to correspond.
(5) In the embodiment, the information terminal 50 is illustrated as an example of the control unit 32, but a communication device such as a tablet terminal or a smartphone may be used for the information terminal 50.

As described above, the most preferable embodiment of the present invention has been described. The present invention is not limited to the above description. Various modifications and modifications can be made by those skilled in the art based on the gist of the invention described in the claims or disclosed in the form for carrying out the invention. Needless to say, such modifications and modifications are included in the scope of the present invention.

According to the present invention, the information acquisition unit can be moved to an arbitrary bolt member to be tightened and arranged, and control information such as identification information of the bolt member and an accompanying axial force level is acquired, and the acquired information is acquired. It is beneficial to be able to perform tightening management according to the above.

2-1 and 2-2 members 4, 4-1 and 4-2 flanges 6 joints 8 sealants 10 bolt members 10-1 bolts 10-2 nuts 12 information tags 14 tightening tools 20 flange tightening management system 22 information acquisition unit 24 Processing unit 26 Storage unit 28 Information presentation unit 30 Information acquisition unit 32 Control unit 34 Communication unit 36 Communication unit 38 Communication unit 40 Control unit 42 Communication unit 50 Information terminal 52 Gear unit 54 Socket 56 Housing 58 Display unit 60 Input operation unit 62 Touch panel 64 Chip body 66 Transmitting antenna 68 Housing 70 Receiving antenna 72 Receiving part 74 Signal conversion part 76 Transmitting part 78 Transmitting antenna 80 Motor 82 Torque sensor 84 Information presenting part 86 Rotating axis 88 Trigger switch 90 Processor 92 Input / output part (I) / O)
94 Tightening Information Database (DB)
96 Bolt number information 98 Date and time information 100 Correct / fail information 102 Bolt number information 104 Tag information 106 Start screen 108 Program name display 110 End button 112 Connection form display 114 Registration button 116 Final tightening button 118-0, 118-1, 118- 2 ... Registration screen 120 Number display unit 122 Bolt number display unit 126 Reset button 128 Completion button 130-0, 130-1, 130-2 ... Final tightening screen 132 Back button 134-4, 134-7 Error screen 136 Error display unit 138 Guide display 140 Guide display 142, 142-1, 142-2 ... 142-n Axial force sensor 144 Data logger 146 Communication unit 148 Output extraction unit 150 Reference axial force unit 152 Detection axial force unit 154 Floor 156 Training base 158 Cable 160 Training table 162 PC
164 Display unit 166 Caster

Claims (23)

A flange tightening management system that tightens between flanges sandwiching a sealing material with a plurality of sets of bolts and nuts (hereinafter referred to as "bolt members").
An information acquisition unit that acquires identification information of bolt members,
A storage unit that stores identification information or position information of bolt members,
It is connected to the information acquisition unit by wire or wirelessly, and the identification information of the bolt member is stored in the storage unit in relation to the position information, and the identification information of the bolt member and the position information corresponding to the identification information are stored from the storage unit. The processing unit to read and
Flange tightening management system characterized by being equipped with. Further, an information presentation unit that presents the location information or the identification information, and
The flange tightening management system according to claim 1, wherein the flange tightening management system is provided. Further, the processing unit stores the bolt member tightening order information in relation to the bolt member position information or identification information in the storage unit, and determines whether the position of the bolt member matches the designated position of the tightening order information. The flange tightening management system according to claim 1, further comprising determining and presenting a tightening permit or non-tightening instruction or information to the tightening tool. The first aspect of the present invention is characterized in that the processing unit stores the tightening information of the bolt member in relation to the position information or the identification information of the bolt member in the storage unit and outputs the tightening information of the bolt member. Flange tightening management system. Further, the information acquisition unit acquires the axial force information of the bolt member and provides it to the processing unit.
The flange tightening management system according to claim 1, wherein the processing unit associates the axial force information with the identification information or the position information and stores the information in the storage unit. The flange tightening management system according to claim 1, wherein the processing unit generates tightening information with reference to axial force information of the bolt member, and causes the tightening tool to output the tightening force. It is a flange tightening management program to be realized by a computer.
The function to acquire the identification information of the bolt member and
A function to store the identification information or position information of the bolt member in the storage unit,
A function of storing the identification information of the bolt member in the storage unit in relation to the position information and reading the identification information of the bolt member and the position information corresponding to the identification information from the storage unit.
Flange tightening management program for realizing the above-mentioned computer. Further, a function of relating the tightening order information of the bolt members to the position information or the identification information of the bolt members and storing them in the storage unit.
A function to determine whether the position of the bolt member matches the specified position of the tightening order information,
The ability to present tightening permission or non-tightening instructions or information to the tightening tool,
The flange tightening management program according to claim 7, wherein the flange tightening management program comprises. Further, a function of storing the tightening information of the bolt member in the storage unit in relation to the position information or the identification information of the bolt member.
The function to read the tightening information for the bolt member and
The function to present the tightening information and
7. The flange tightening management program according to claim 7. Furthermore, the function that the information acquisition unit acquires the axial force information of the bolt member,
A function of relating the axial force information to the identification information or the position information and storing the axial force information in the storage unit.
The flange tightening management program according to claim 7, wherein the flange tightening management program comprises. Furthermore, the function to generate tightening information by referring to the axial force information of the bolt member,
The function to output the tightening force to the tightening tool and
The flange tightening management program according to claim 7, wherein the flange tightening management program comprises. A flange tightening management device that tightens between flanges sandwiching a sealing material with multiple sets of bolt members.
An information acquisition unit that acquires identification information of bolt members,
A storage unit that stores identification information or position information of bolt members,
It is connected to the information acquisition unit by wire or wirelessly, the identification information of the bolt member is stored in the storage unit in relation to the position information, and the position information corresponding to the identification information is stored in the storage unit together with the identification information of the bolt member. Processing unit to read from
A flange tightening management device characterized by being provided with. An information presentation unit that presents the location information or the identification information, and
12. The flange tightening management device according to claim 12. Further, the processing unit stores the bolt member tightening order information in relation to the bolt member position information or identification information in the storage unit, and determines whether the position of the bolt member matches the designated position of the tightening order information. The flange tightening management device according to claim 12, further comprising determining and presenting a tightening permit or non-tightening instruction or information to the tightening tool. The twelfth claim is characterized in that the processing unit stores the tightening information of the bolt member in relation to the position information or the identification information of the bolt member in the storage unit, and outputs the tightening information to the bolt member. Flange tightening management device. Further, the information acquisition unit acquires the axial force information of the bolt member and provides it to the processing unit.
The flange tightening management device according to claim 12, wherein the processing unit stores the axial force information in relation to the identification information or the position information in the storage unit. The flange tightening management device according to claim 12, wherein the processing unit generates tightening information with reference to axial force information of the bolt member, and causes the tightening tool to output the tightening force. It is a flange tightening control unit that tightens between the flanges that sandwich the sealing material with multiple sets of bolt members.
Equipped with a unit housing that can be attached to and detached from the bolt member tightening tool or tightening related member.
The unit housing is installed together with a storage unit that stores identification information or position information of the bolt member, acquires identification information from the information transmission unit of the bolt member, associates the identification information with the position information, and stores the identification information in the storage unit. A flange tightening control unit characterized by having a function unit that stores and reads out position information corresponding to the identification information together with identification information of a bolt member from the storage unit to present information or control a tightening tool. It is a flange tightening management method that tightens between the flanges sandwiching the sealing material with multiple sets of bolt members.
The process of acquiring the identification information of the bolt member in the information acquisition unit,
The process of storing the identification information or position information of the bolt member,
It is connected to the information acquisition unit by wire or wirelessly, the identification information of the bolt member is stored in the storage unit in relation to the position information, and the identification information of the bolt member and the position information corresponding to the identification information are stored from the storage unit. The process of reading and
Flange tightening management method characterized by including. Further, a step of relating the bolt member tightening order information to the bolt member position information or identification information and storing the bolt member in the storage unit.
A process of determining whether the position of the bolt member conforms to the specified position of the tightening order information, and presenting a tightening permission or non-tightening instruction or information to the tightening tool.
The flange tightening management method according to claim 19, wherein the flange tightening management method comprises. Further, a step of relating the tightening information of the bolt member to the position information or the identification information of the bolt member and storing it in the storage unit, and
The process of outputting tightening information for bolt members and
The flange tightening management method according to claim 19, wherein the flange tightening management method comprises. Further, a process in which the information acquisition unit acquires axial force information of the bolt member and provides the information to the processing unit.
A step in which the processing unit associates the axial force information with the identification information or the position information and stores the axial force information in the storage unit.
The flange tightening management method according to claim 19, wherein the flange tightening management method comprises. Further, a process of generating tightening information by referring to the axial force information of the bolt member and causing the tightening tool to output the tightening force.
The flange tightening management method according to claim 19, wherein the flange tightening management method comprises.

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