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WO2018123816A1 - Système de réglage de valeur de couple, dispositif de réglage de valeur de couple et procédé de réglage de valeur de couple - Google Patents

Système de réglage de valeur de couple, dispositif de réglage de valeur de couple et procédé de réglage de valeur de couple Download PDF

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Publication number
WO2018123816A1
WO2018123816A1 PCT/JP2017/045968 JP2017045968W WO2018123816A1 WO 2018123816 A1 WO2018123816 A1 WO 2018123816A1 JP 2017045968 W JP2017045968 W JP 2017045968W WO 2018123816 A1 WO2018123816 A1 WO 2018123816A1
Authority
WO
WIPO (PCT)
Prior art keywords
torque value
value setting
tightening
unit
torque
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2017/045968
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English (en)
Japanese (ja)
Inventor
佳之 山口
喜晴 松本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyoto Tool Co Ltd
Original Assignee
Kyoto Tool Co Ltd
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
Priority claimed from JP2016251426A external-priority patent/JP6865955B2/ja
Priority claimed from JP2016251425A external-priority patent/JP6864314B2/ja
Application filed by Kyoto Tool Co Ltd filed Critical Kyoto Tool Co Ltd
Priority to CN201780080071.9A priority Critical patent/CN110099771B/zh
Publication of WO2018123816A1 publication Critical patent/WO2018123816A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present invention relates to a torque value setting system, a torque value setting device, and a torque value setting method.
  • a torque wrench is known as a tightening tool capable of managing the tightening torque by measuring the tightening torque when a tightening member such as a bolt or a nut is tightened at a tightening location.
  • a torque wrench there are two types of torque wrench: a single-function type torque wrench that cannot change the numerical value of the tightening torque to be measured, and a preset type torque wrench that can change the value of the tightening torque that can be measured by an operator's operation.
  • the compression force from the spring acts in the direction in which the toggle rotates around the connecting portion. .
  • the toggle slides relative to the head portion.
  • sound and vibration are generated from the torque wrench. The operator can confirm that the tightening torque value of the tightening member is greater than or equal to the set value by sound or vibration generated from the torque wrench.
  • a tightening torque management technique for a tightening location using a torque wrench a technology is disclosed in which a set value of a tightening torque at a specified tightening location is sent from a computer to a torque wrench (for example, Patent Document 1). reference).
  • a torque wrench for example, Patent Document 1
  • the operator adjusts the tightening torque of the torque wrench to be within the range of the set value, and then tightens the tightening member.
  • the mechanical preset torque wrench unloads the compression force applied to the spring during storage as much as possible (for example, to the origin position of the tightening torque value setting range). Is desirable.
  • the present invention aims to improve the traceability of the tightening work of the tightening member. Another object of the present invention is to maintain the measurement accuracy of a mechanical preset torque wrench.
  • the present invention relates to a tightening tool capable of measuring that a tightening torque when tightening a tightening member is a predetermined tightening torque value, and a torque value setting for setting the tightening torque value in the tightening tool.
  • the tightening tool includes a torque value setting unit capable of setting the tightening torque value to an arbitrary value, and the torque value setting device is connected to the torque value setting unit.
  • control unit may calibrate the origin position of the torque value setting unit of the tightening tool and the origin position of the drive unit before setting the tightening torque value.
  • the torque value setting unit can set a tightening torque value by a turning operation
  • the drive unit is a motor that rotates the torque value setting unit
  • the connection unit is a torque value setting unit.
  • the engaging part engaged with the to-be-engaged part provided in may be sufficient.
  • the torque value setting device may include an input unit that inputs a tightening torque value to the control unit.
  • the torque value setting device may include a communication unit that communicates the tightening torque value with the information processing device and sets the tightening torque value in the control unit.
  • the torque value setting device includes a detection unit that detects a connection status between the torque value setting unit and the connection unit, and the control unit stores a connection status between the torque value setting unit and the connection unit. May be.
  • control unit may store the connection date and time of connection between the torque value setting unit and the connection unit as the connection status.
  • control unit may set the tightening torque value of the torque value setting unit to the origin position.
  • control unit may be able to set the tightening torque value at the origin position by rotating the torque value setting unit.
  • the present invention provides a torque for setting a tightening torque value in a torque value setting portion provided in a tightening tool capable of measuring that the tightening torque when tightening a tightening member is a predetermined tightening torque value. It is a value setting device.
  • the present invention sets a tightening torque value for a torque value setting portion of a tightening tool capable of measuring that the tightening torque at the time of tightening the tightening member is a predetermined tightening torque value.
  • a torque value setting method executed by a torque value setting device wherein the torque value setting device calculates a drive amount of a drive unit for setting a tightening torque value in a torque value setting unit, and based on the drive amount Then, the driving unit is driven to execute a tightening torque setting step of setting a tightening torque value in the torque value setting unit.
  • a calibration step of calibrating the origin position of the torque value setting section and the origin position of the drive section may be executed before setting the tightening torque value.
  • the traceability of the tightening work of the tightening member can be improved. Further, according to the present invention, the measurement accuracy of a mechanical preset torque wrench can be maintained.
  • FIG. 1 It is a mimetic diagram of a torque value setting system showing an embodiment concerning the present invention. It is a fragmentary sectional view which shows an example of the torque wrench by which a torque value is set by the torque value setting system shown in FIG. It is a bottom view which shows the vicinity of the torque value setting part of the torque wrench shown in FIG. It is a schematic diagram which shows an example of the connection part of the torque value setting apparatus in the torque value setting system shown in FIG. It is a schematic diagram which shows another example of the connection part of the torque value setting apparatus in the torque value setting system shown in FIG. It is a flowchart which shows an example of the torque value setting method which a torque value setting system performs.
  • FIG. 1 is a schematic diagram of a torque value setting system 1 showing an embodiment according to the present invention.
  • the torque value setting system 1 includes a torque wrench 10 and a torque value setting device 20.
  • the torque wrench 10 is an example of a tightening tool for tightening a tightening member such as a bolt or a nut to a predetermined tightening location.
  • the torque wrench 10 can measure that the tightening torque when tightening the tightening member is a predetermined tightening torque (hereinafter referred to as “tightening torque value”).
  • the torque value setting device 20 is a device that sets a tightening torque value for a tightening tool such as the torque wrench 10.
  • FIG. 2 is a partial cross-sectional view showing an example of a torque wrench 10 whose tightening torque value is set by the torque value setting system 1 shown in FIG.
  • the torque wrench 10 is a so-called mechanical preset torque wrench.
  • the torque wrench 10 includes a case 11, a head part 12, a head pin 13, a toggle 14, a connection part 15, a holding part 16, a spring 17, a torque value setting part 18, and a setting position detection part 19. Prepare.
  • the case 11 is a substantially cylindrical member that houses the components of the torque wrench 10 such as the head portion 12 and the toggle 14 and constitutes the outer shape of the torque wrench 10.
  • the case 11 is provided with a head portion 12 at one end. Further, the case 11 is provided with a grip portion 11b for the operator to hold at the other end.
  • the head unit 12 includes a ratchet head 12a, an arm unit 12b, and a link 12c.
  • the head portion 12 is pivotally supported with respect to the case 11 by a head pin 13 provided at the boundary between the ratchet head 12a and the arm portion 12b.
  • the ratchet head 12a is exposed from the case 11.
  • a socket wrench (not shown) that engages with a fastening member (for bolt or nut fastening) can be detachably attached to the ratchet head 12a.
  • the arm portion 12b is housed inside the case 11.
  • the arm portion 12 b can swing inside the case 11 around the head pin 13.
  • a link 12c connected to the toggle 14 is provided at the tip of the arm portion 12b.
  • the toggle 14 is a substantially rectangular plate member.
  • the toggle 14 has one end connected to the link 12 c of the head unit 12 and the other end connected to the holding unit 16 via the connection unit 15.
  • the toggle 14 is pivotally supported inside the case 11 by a link 12c.
  • the holding part 16 is a substantially cylindrical member.
  • the holding part 16 is disposed inside the case 11 so that a direction perpendicular to the axial direction (longitudinal direction) of the torque wrench 10 is a plane.
  • the other end of the toggle 14 is slidably connected to one side of the holding part 16 via the connection part 15.
  • the holding portion 16 has one of the springs 17 in contact with the other flat surface.
  • the spring 17 is provided at a position near the grip portion 11 b inside the case 11.
  • the spring 17 is a compression spring in which the longitudinal direction of the torque wrench 10 is the compression direction.
  • a coil spring can be used as the spring 17, for example.
  • the torque value setting portion 18 is provided at the tip of the grip portion 11b of the case 11, for example.
  • the torque value setting unit 18 includes a setting bolt 18a, a stopper 18b, a head portion 18c, a lock portion 18d, and a spring support portion 18e.
  • FIG. 3 is a bottom view showing the vicinity of the torque value setting unit 18 of the torque wrench 10.
  • the setting bolt 18a passes through a hole provided in the stopper 18b, and only the head 18c is exposed to the outside of the stopper 18b.
  • the setting bolt 18 a has a shaft body housed inside the case 11. Engaged parts such as gears and hexagonal holes are formed on the head 18c.
  • the setting bolt 18a can be rotated by engaging the head 18c with an engaging portion such as a gear or a hexagon wrench provided in the torque value setting device 20.
  • ⁇ Male screw threads are cut at least partially on the setting bolt 18a.
  • the setting bolt 18a is screwed into a female screw provided on the spring support 18e.
  • the stopper 18b regulates the amount of movement of the setting bolt 18a by contacting the head 18c.
  • the contact surface provided inside the case 11 is in contact with the spring 17 in the spring support portion 18e.
  • the spring support portion 18 e compresses the spring 17 in the direction of the holding portion 16.
  • the torque value setting unit 18 moves the position of the spring support 18e to which the setting bolt 18a is screwed by rotating the head 18c. For this reason, the torque value setting unit 18 can change the pressing force of the spring 17 against the holding unit 16.
  • the torque value setting unit 18 adjusts the degree of compression of the spring 17 by rotating the setting bolt 18a, and sets a tightening torque value to a predetermined value (for example, a prescribed value determined for each tightening member at the tightening point). (Tightening torque value) can be set (see FIGS. 4 and 5).
  • the lock portion 18d is provided at the upper end of the grip portion 11b of the case 11 (the end portion near the head portion 12).
  • the lock portion 18d prevents the torque value setting portion 18 from changing the tightening torque value even if the setting bolt 18a is rotated.
  • the lock portion 18d is, for example, a ring-shaped member provided coaxially with the grip portion 11b, and can change a relative position with respect to the case 11 along the longitudinal direction of the torque wrench 10.
  • the set position detector 19 is provided at a position where the position of the set bolt 18a inside the case 11 can be detected, for example.
  • the set position detector 19 is a sensor that detects the position of the set bolt 18a and the head 18c.
  • the setting position detection unit 19 includes, for example, a camera that detects the positions of the setting bolt 18a and the head 18c from an image, a combination of a light emitting unit such as infrared rays, and a light receiving element (photodiode).
  • the setting position detection unit 19 transmits information such as the detected position of the setting bolt 18a and the head 18c to the control unit 23 of the torque value setting device 20 wirelessly or by wire.
  • the toggle force 14 rotates around the link 12c by the compression force from the spring 17. Work in the direction.
  • the toggle 14 slides with respect to the head portion 12 as the toggle 14 rotates about the link 12c.
  • sound and vibration are generated from the torque wrench 10 when the toggle 14 slides with respect to the head portion 12 and comes into contact with other parts such as the case 11.
  • the operator can recognize that the tightening torque has reached the set value by the sound and vibration generated by the toggle 14 sliding with respect to the head portion 12.
  • the torque value setting device 20 includes a connection unit 21, a drive unit 22, a control unit 23, a communication unit 24, and a housing 25.
  • connection unit 21 is provided at a position where the torque value setting unit 18 can be operated in a state where the torque wrench 10 is attached to the torque value setting device 20.
  • the connection unit 21 is connected to the torque value setting unit 18 of the torque wrench 10 attached to the torque value setting device 20.
  • FIG. 4 is a schematic diagram illustrating an example of the connection portion 21 of the torque value setting device 20.
  • FIG. 5 is a schematic diagram showing another example of the connecting portion 21 of the torque value setting device 20 shown in FIG.
  • connection portion 21 is provided in, for example, the housing portion 25 a of the housing 25.
  • the accommodating portion 25 a can accommodate the grip portion 11 b of the torque wrench 10.
  • the connecting portion 21 is an engaging portion such as a gear shown in FIG. 4 or a hexagon wrench shown in FIG. 5 that can be engaged with an engaged portion such as a gear of the head 18c of the torque value setting portion 18 or a hexagonal hole. is there. Since the engaging portion is engageable with the engaged portion of the head 18 c of the torque wrench 10, the connecting portion 21 can be connected to the torque value setting portion 18.
  • the drive unit 22 is an actuator capable of controlling the drive amount, such as a servo motor or a solenoid.
  • the drive unit 22 operates the connection unit 21 with a drive amount based on control by the control unit 23.
  • the control unit (control board) 23 usually executes a torque value setting method by an electronic device mounted on the control board to realize the function of the torque value setting device. For example, the control unit 23 sets the tightening torque to an arbitrary set value, such as an origin position of the tightening torque value (an arbitrary initial value or a limit position of the setting range of the torque value setting unit 18). That is, the control unit 23 functions as an origin setting unit together with the connection unit 21 and the drive unit 22.
  • the control unit 23 operates the torque value setting unit 18 via the connection unit 21 by controlling the drive amount of the drive unit 22.
  • the control unit 23 operates the torque value setting unit 18 based on the position information of the setting bolt 18 a and the head 18 c transmitted from the setting position detection unit 19 of the torque wrench 10, thereby adjusting the tightening torque of the torque wrench 10. Set to the set value.
  • the communication unit (communication module) 24 communicates tightening torque value information corresponding to the tightening position of the tightening member with the information processing apparatus 30 such as a smartphone, a tablet terminal, or a personal computer.
  • the communication unit 24 receives the transmitted position information of the setting bolt 18 a and the head 18 c from the setting position detection unit 19 of the torque wrench 10.
  • the communication path by the communication unit 24 may be either wireless communication or wired communication.
  • the type of communication format between the communication unit 24 and the information processing device 30 is not limited. For example, Bluetooth (registered trademark), infrared communication, USB (Universal Serial Bus), WAN (Wide Network Network), LAN (Local Network Network) ) Etc. can be used.
  • the torque value setting device 20 is not limited to setting the tightening torque value in the control unit 23 by communication between the communication unit 24 and the information processing device 30 as described above, and for example, an input unit such as a touch panel of the information processing device 30 The setting value may be input to the control unit 23 via the communication unit 24.
  • the torque value setting device 20 may include a lock operation unit that releases the lock unit 18d.
  • the lock operation unit operates the lock unit 18 d of the torque wrench 10 set in the torque value setting device 20 to switch whether to accept the torque value setting operation to the torque value setting unit 18.
  • the torque value setting device 20 may include a setting position detection unit 19 provided in the torque wrench 10 in the vicinity of the driving unit 22.
  • the setting position detection unit 19 is a camera, for example, and detects the position of the setting bolt 18 a or the like from the captured image.
  • FIG. 6 is a flowchart showing an example of a torque value setting method executed by the torque value setting system 1.
  • the control unit 23 confirms that the torque wrench 10 has been set in the accommodating portion 25a by a detection unit such as a limit switch or an optical sensor. To detect. That is, the detection unit detects that the torque value setting unit 18 and the connection unit 21 of the torque value setting device 20 are connected as a connection state between the torque value setting unit 18 and the connection unit 21 of the torque value setting device 20. To do.
  • the control unit 23 stores, in the storage unit, a record of the connection status in which it is detected that the torque wrench 10 is set in the housing unit 25a together with information such as date and time.
  • the control unit 23 determines the model of the set torque wrench 10 in order to set the tightening torque value by the torque value setting device 20 (S101).
  • the control unit 23 sets a tightening torque range (for example, 20 to 100 N ⁇ m, 40 to 200 N ⁇ m, etc.) that can be set by the torque wrench 10 that is different for each model (S102).
  • a tightening torque range for example, 20 to 100 N ⁇ m, 40 to 200 N ⁇ m, etc.
  • the tightening torque value is transmitted from the information processing device 30 to the communication unit 24 of the torque value setting device 20
  • the tightening torque value is input to the memory unit of the control unit 23 (S103).
  • the input of the tightening torque may be received from an input unit provided in the torque value setting device 20.
  • the control unit (control board) 23 sets the drive amount of the drive unit 22 necessary for setting the tightening torque value in the torque value setting unit 18 based on the information of the tightening torque value range determined in S102.
  • a calculation step for calculation is executed (S104).
  • the torque value setting device 20 receives an operation for starting the setting of the tightening torque value to the torque value setting unit 18 of the torque wrench 10 (S105).
  • the control unit 23 performs a process of releasing the lock state of the lock unit 18d of the setting bolt 18a of the torque value setting unit 18 of the torque wrench 10 (S106).
  • the control unit 23 After releasing the lock state, the control unit 23 adjusts the set value to an arbitrary initial value or the limit position of the set range of the torque value setting unit 18 (hereinafter referred to as “origin position”) before setting the set value. Processing is performed (S107).
  • the origin position adjustment process is a calibration process for accurately setting the set value of the torque wrench 10.
  • the control unit 23 After adjusting the set value to the origin position, the control unit 23 sets a tightening torque value in the torque value setting unit 18 as a tightening torque setting step (S108). In order to set the tightening torque value, the control unit 23 drives the drive unit 22 with the previously calculated drive amount, and drives the torque value setting unit 18 from the origin position to a position corresponding to the tightening torque value.
  • the control unit 23 locks the lock unit 18d of the setting bolt 18a of the torque value setting unit 18 of the torque wrench 10 (S109). If the operator removes the torque wrench 10 from the accommodating portion 25a after locking the lock portion 18d, the control unit 23 detects that the torque wrench 10 has been removed from the accommodating portion 25a by the detection device (not shown). That is, the control unit 23 detects the release of the connection between the torque value setting unit 18 and the connection unit 21. The control unit 23 stores information on the connection status such as the date and time when the release of the connection between the torque value setting unit 18 and the connection unit 21 is detected in the storage unit.
  • the tightening torque value of the torque wrench 10 can be set by the torque value setting device 20.
  • the torque value setting system 1 can set the value of the tightening torque by operating the torque value setting unit 18 of the torque wrench 10 with the connection unit 21. That is, according to the torque value setting system 1, a predetermined tightening torque value can be set without an operator or the like operating the torque value setting unit 18.
  • the control unit 23 can store information such as the date and time when it is detected that the torque wrench 10 has been taken out from the storage unit 25 a in the storage unit.
  • the torque value setting system 1 it is possible to appropriately manage the tightening torque of the tightening member and improve the traceability of the tightening torque management.
  • the torque value setting system 1 operates the torque value setting unit 18 of the torque wrench 10 with the connection unit 21 to set the tightening torque value set in the torque value setting unit 18 to any position including the origin position. Can be set to
  • the torque value setting system 1 the measurement accuracy of the mechanical preset torque wrench can be maintained.
  • the torque wrench 10 is shown as a tightening tool in the present embodiment, the tightening tool according to the present invention is not limited to this, and a so-called tightening torque is measured when a screw is tightened as a tightening member. It can also be applied to torque drivers.
  • the gear and the hexagon socket are shown as the shape of the engaged portion
  • the gear and the hexagon wrench are shown as the shape of the engaging portion.
  • the shapes of the engaged part and the engaging part are not limited to this.
  • the shapes of the engaged portion and the engaging portion may be, for example, shapes such as a Phillips screw and a Phillips screwdriver.
  • the present invention can be used for management of tightening torque in various industries that use a tightening member such as maintenance of transportation facilities such as aircraft, railways, and automobiles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne un système de réglage de valeur de couple comprenant : un outil de fixation apte à mesurer si un couple de fixation pendant la fixation d'un élément de fixation est une valeur de couple de fixation prédéterminée ; et un dispositif de réglage de valeur de couple destiné à régler une valeur de couple de fixation sur l'outil de fixation. L'outil de fixation comprend une unité de réglage de valeur de couple apte à régler la valeur de couple de fixation à une valeur arbitraire. Le dispositif de réglage de valeur de couple comprend : une unité de connexion connectée à l'unité de réglage de valeur de couple ; une unité d'entraînement destinée à entraîner l'unité de connexion ; et une unité de commande qui commande à l'unité d'entraînement de régler la valeur de couple de fixation sur l'unité de réglage de valeur de couple.
PCT/JP2017/045968 2016-12-26 2017-12-21 Système de réglage de valeur de couple, dispositif de réglage de valeur de couple et procédé de réglage de valeur de couple Ceased WO2018123816A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780080071.9A CN110099771B (zh) 2016-12-26 2017-12-21 扭矩值设定系统、扭矩值设定装置以及扭矩值设定方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016251426A JP6865955B2 (ja) 2016-12-26 2016-12-26 締付工具のトルク値設定システム、及び、締付工具のトルク値設定装置
JP2016-251426 2016-12-26
JP2016251425A JP6864314B2 (ja) 2016-12-26 2016-12-26 締付工具のトルク値設定システム、締付工具のトルク値設定装置、及び、締付工具のトルク値設定方法
JP2016-251425 2016-12-26

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Publication Number Publication Date
WO2018123816A1 true WO2018123816A1 (fr) 2018-07-05

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PCT/JP2017/045968 Ceased WO2018123816A1 (fr) 2016-12-26 2017-12-21 Système de réglage de valeur de couple, dispositif de réglage de valeur de couple et procédé de réglage de valeur de couple

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CN (1) CN110099771B (fr)
TW (1) TWI737876B (fr)
WO (1) WO2018123816A1 (fr)

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TWI812373B (zh) * 2022-07-29 2023-08-11 胡厚飛 以機械方式調整扭力的數位顯示扭力扳手
TWI811077B (zh) * 2022-08-24 2023-08-01 首君企業股份有限公司 扭力扳手自動調整裝置
TWI875562B (zh) * 2024-04-09 2025-03-01 陳昱廷 具無線傳輸扭力值之扭力扳手結構

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CN110099771A (zh) 2019-08-06
TWI737876B (zh) 2021-09-01
CN110099771B (zh) 2021-03-12

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