EP2415560A2 - Affiche rotative d'une clé dynamométrique - Google Patents

Affiche rotative d'une clé dynamométrique Download PDF

Info

Publication number
EP2415560A2
EP2415560A2 EP11005466A EP11005466A EP2415560A2 EP 2415560 A2 EP2415560 A2 EP 2415560A2 EP 11005466 A EP11005466 A EP 11005466A EP 11005466 A EP11005466 A EP 11005466A EP 2415560 A2 EP2415560 A2 EP 2415560A2
Authority
EP
European Patent Office
Prior art keywords
display
torque wrench
value
torque
wrench according
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.)
Granted
Application number
EP11005466A
Other languages
German (de)
English (en)
Other versions
EP2415560B1 (fr
EP2415560A3 (fr
Inventor
Thomas Beyert
Peter Welp
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.)
Hazet Werk Hermann Zerver GmbH and Co KG
Original Assignee
Hazet Werk Hermann Zerver GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hazet Werk Hermann Zerver GmbH and Co KG filed Critical Hazet Werk Hermann Zerver GmbH and Co KG
Publication of EP2415560A2 publication Critical patent/EP2415560A2/fr
Publication of EP2415560A3 publication Critical patent/EP2415560A3/fr
Application granted granted Critical
Publication of EP2415560B1 publication Critical patent/EP2415560B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • B25B23/1425—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by electrical means

Definitions

  • the present invention relates to a torque wrench for applying a torque to a screw according to the preamble of claim 1.
  • Electronic torque wrenches are known from the prior art and serve to tighten screw in a well-defined manner, or to control the tightening of the screw.
  • the key head is e.g. on the head of a screw to be tightened or put on a nut.
  • the bolt or nut is tightened and a size determining the suit can be read on a display, preferably an electronic display device.
  • the displayed quantity is detected by means of a sensor and displayed in the display device
  • Object of the present invention is therefore to provide a torque wrench whose electronic display value is better readable in different working positions.
  • An inventive torque wrench for applying a torque to a screw connection has a shank, a handle, a tool head and a digital display for displaying a display value. It is inventively characterized in that the display value is relatively rotatable in the display can be displayed.
  • a torque wrench is also understood to mean a torque / rotation angle wrench.
  • a torque angle key indicates the required angle of rotation or optionally a combination of torque and angle of rotation.
  • the display is preferably fixed in position fixed to the torque key.
  • the display is located in the area between the shaft and a handle and there is firmly connected to the torque tool or is part of the shaft or handle.
  • Various measured values and display texts can be displayed on the electronic digital display.
  • a torque value is displayed in the electronic display within the scope of the invention.
  • This torque value is superficially the display value below.
  • the display value according to the invention is rotatably displayed in the display.
  • the display value can be displayed, for example, upside down, so that the display value is always correctly readable for a right-handed or left-handed person using a torque wrench according to the invention.
  • the display value can also be displayed rotatably in the display by any desired number of degrees, for example 1, 10 or even 100 degrees. According to the invention, this results in the advantage that the display value is always shown in an easily readable position in the display.
  • the display is particularly preferably arranged on the shaft, preferably in the region of the handle.
  • this almost always gives the possibility to read the display value in the area of the handle, because it requires a space for the application of the torque wrench in the area of the handle.
  • the display value shown according to the invention is a torque value which represents a preset torque.
  • this signal can be, for example, an electronically generated acoustic signal in the form of a warning tone, a visual signal or else a mechanically generated signal in the form of a warning signal a classic crack. It is in this embodiment of the present invention is a triggering torque wrench.
  • a torque value is displayed as the display value, which indicates the respective currently applied torque.
  • the measurement by means of a strain gauge on the torsion bar.
  • the measurement signal obtained is converted into the force unit to be displayed, for example Newton meters, by means of a measured value amplifier and displayed on the digital display.
  • the display value can be changed so that it indicates the respective applied torque.
  • the standard case would be; starting from a starting position of 0 Nm increases slowly or quickly, depending on the suit speed, the applied torque up to a target value, for example, of 100 Nm, from which the fitter knows, now the predetermined torque is reached.
  • a target value for example, of 100 Nm
  • the fitter can read in each case at which tightening torque it is currently and when reaching a value of 100 Nm is an audible or visual signal so that he knows that now the desired torque is reached ,
  • this embodiment of the invention enables a particularly user-friendly application.
  • the fitter can attach the torque wrench, for example, set 100 Nm tightening torque and from this good readable value is him it is known that he still has to make a further rotation through 90 degrees of the torque wrench in the described embodiment.
  • the display value can be displayed rotatably in the display by means of an adjustment means by a selectable number of degrees.
  • the adjustment means is, for example, a button located near the indication value or else on the torque wrench. By pressing the button, the display value is rotated by a selectable number of degrees in the display.
  • rotation of the display value takes place here by preselected degrees of steps of 45, 90 or 180 degrees.
  • Most application standard situations are thereby shown, so that when tightening a screw with exactly set torque each for the position in the tightening torque by pressing the button, a following angle is adjustable.
  • a rotation that moves approximately in a 90 degree angle range of the torque wrench thus an actuation or rotation of the display value in the display by 90 degrees is particularly advantageous.
  • an angle measuring device is provided with which the rotation of the display value in the display can be automatically determined.
  • this is understood to mean that the rotation takes place automatically, with an angle measuring device specifying the respective angle of rotation of the display value in the display.
  • the necessary measuring sensors such as a gyroscope sensor or an acceleration sensor, which are required for the measurement and display of the rotational angle value or the torque value, at the same time for the rotation of the Display value can be used in the display.
  • a rotation of the display value in the display would automatically follow the rotational movement of the torque key or the torque-rotation angle key.
  • a rotation of the display value in the display is automatically feasible with predetermined angular ranges.
  • a rotation angle range of 45 to 135 degrees would be set. If the torque wrench is now moved within a range of 0 to 44 degrees, the display value will not be rotated in the display. If the torque wrench is now turned further, so that the range between 45 and 135 degrees is traversed, the display value is rotated by 90 degrees in the display. Further traversing the angular range of greater than 135 degrees, for example in a range of 135 to 225 degrees, would result in a further 90 degree rotation of the indication value in the display, such that a rotation occurs at the home position of the indication value in the display 180 degrees.
  • the display value in the display, relative to an adjustable reference position is displaceable relative to the position of the torque wrench.
  • a reference position in the context of the invention is a position that can be preset by the factory or by the user or, for example, a position that takes place after the attachment of the torque wrench to be tightened screw.
  • a factory preset reference position is a position where a torque wrench is always set to the same start position for a particular operation.
  • a preset reference position by the user may be individually programmed at the respective work station in response to repeated, checking or tightening torque connections by the user himself.
  • An individually definable reference position for each work operation can be determined, for example, individually before or during the respective work process by the respective installer.
  • a kind of tilt sensor which detects by a trigger signal, for example generated by a head pressure, the current position and this represents the display value in the display.
  • the display itself is within the scope of the invention an electronic display, for example in the form of an LED display or even an LCD display.
  • a TFT display or a plasma display are also conceivable within the scope of the invention, as well as other possibilities of electronic displays.
  • torque wrench are preferably used in applications such that they make essentially vertically oriented movements. That is, most applications are such that the torque wrench is moved from an upper position to a lower position. In the case of a vertically oriented movement of the torque wrench, the display value generally assumes a horizontally readable position.
  • a rotation angle sensor for adjusting the display position of the display value is provided in the display.
  • This reference position can be formed, for example, in the form of a preset reference position or the previously set individually adjustable reference position.
  • a gyroscope sensor is provided for setting the display position.
  • a gyroscope sensor is a sensor that works on the gyroscope principle. Consequently, it measures the relative movement that has taken place and adjusts the inclination or rotation of the display value in the display accordingly.
  • an acceleration sensor for setting the display position is provided. It is also possible to adjust the display position in the torque wrench via an inclination sensor.
  • FIG. 1 shows a torque wrench 1 according to the invention, which has a shaft 2, a handle 3, a tool head 4 and a digital display 5. Between the handle 3, an electronic Elnstell- and evaluation device 6 is additionally provided on the shaft 2.
  • the electronic adjustment and evaluation device 6 comprises on the one hand the digital display 5 and on the other hand different input buttons 7 and several not here shown components, such as a setting mechanism, various sensors or even batteries.
  • the digital display 5 itself comprises, on the one hand, the display of various values, for example the state of the battery 8, the set unit 9 and / or a set tolerance 10.
  • the digital display 5 mainly comprises the torque value 11, which is either absolutely preset or each applied torque corresponds.
  • the total figures and values shown in the digital display 5 together form the display value 12.
  • the display value 12 is in FIG. 1b shown rotated by 180 degrees in the digital display 5.
  • the torque wrench 1 has therefore maintained the same position, only the display value 12 has been turned upside down. It is thus possible to use the torque wrench 1 for both right-handed and left-handed people with always well readable display value 12. Also, upon actuation of the torque wrench 1 and a pivoting of substantially 180 degrees, the display value 12 can be turned upside down, so that it in turn is easy to read.
  • FIG. 2 shows a same torque wrench 1, as in FIG. 1 with the difference that the digital display 5 has a substantially square shape.
  • the display value 12 from an initial state in FIG. 2a by 90 degrees, shown in FIG. 2b and again this 90 degrees shown in Figure 2c to turn.
  • an input means such as eg an input button 7.
  • FIG. 3 is analogous to FIG. 1 and FIG. 2 formed torque wrench 1, but in contrast has a substantially round, digital display 5.
  • the display value 12 itself is rotatably displayed in the digital display 5, so that upon actuation of the torque tool by an angle ⁇ , shown in FIG. 3b , of the Display value 12 in the digital display 5 also inclined by an angle ⁇ such that it is basically horizontally readable in the example shown here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP11005466.5A 2010-08-05 2011-07-05 Affiche rotative d'une clé dynamométrique Active EP2415560B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010011064U DE202010011064U1 (de) 2010-08-05 2010-08-05 Drehbare Anzeige eines Drehmomentschlüssels

Publications (3)

Publication Number Publication Date
EP2415560A2 true EP2415560A2 (fr) 2012-02-08
EP2415560A3 EP2415560A3 (fr) 2014-02-19
EP2415560B1 EP2415560B1 (fr) 2016-05-18

Family

ID=42994117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11005466.5A Active EP2415560B1 (fr) 2010-08-05 2011-07-05 Affiche rotative d'une clé dynamométrique

Country Status (4)

Country Link
EP (1) EP2415560B1 (fr)
CN (1) CN102371564A (fr)
DE (1) DE202010011064U1 (fr)
TW (1) TWI441718B (fr)

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US9724787B2 (en) 2014-08-07 2017-08-08 Illinois Tool Works Inc. System and method of monitoring a welding environment
US9862049B2 (en) 2014-06-27 2018-01-09 Illinois Tool Works Inc. System and method of welding system operator identification
US9875665B2 (en) 2014-08-18 2018-01-23 Illinois Tool Works Inc. Weld training system and method
US9937578B2 (en) 2014-06-27 2018-04-10 Illinois Tool Works Inc. System and method for remote welding training
US10204406B2 (en) 2014-11-05 2019-02-12 Illinois Tool Works Inc. System and method of controlling welding system camera exposure and marker illumination
US10210773B2 (en) 2014-11-05 2019-02-19 Illinois Tool Works Inc. System and method for welding torch display
US10239147B2 (en) 2014-10-16 2019-03-26 Illinois Tool Works Inc. Sensor-based power controls for a welding system
US10307853B2 (en) 2014-06-27 2019-06-04 Illinois Tool Works Inc. System and method for managing welding data
US10373517B2 (en) 2015-08-12 2019-08-06 Illinois Tool Works Inc. Simulation stick welding electrode holder systems and methods
US10373304B2 (en) 2014-11-05 2019-08-06 Illinois Tool Works Inc. System and method of arranging welding device markers
US10402959B2 (en) 2014-11-05 2019-09-03 Illinois Tool Works Inc. System and method of active torch marker control
US10417935B2 (en) 2012-11-09 2019-09-17 Illinois Tool Works Inc. System and device for welding training
US10417934B2 (en) 2014-11-05 2019-09-17 Illinois Tool Works Inc. System and method of reviewing weld data
US10427239B2 (en) 2015-04-02 2019-10-01 Illinois Tool Works Inc. Systems and methods for tracking weld training arc parameters
US10438505B2 (en) 2015-08-12 2019-10-08 Illinois Tool Works Welding training system interface
US10482788B2 (en) 2013-03-15 2019-11-19 Illinois Tool Works Inc. Welding torch for a welding training system
US10490098B2 (en) 2014-11-05 2019-11-26 Illinois Tool Works Inc. System and method of recording multi-run data
US10593230B2 (en) 2015-08-12 2020-03-17 Illinois Tool Works Inc. Stick welding electrode holder systems and methods
US10657839B2 (en) 2015-08-12 2020-05-19 Illinois Tool Works Inc. Stick welding electrode holders with real-time feedback features
US10665128B2 (en) 2014-06-27 2020-05-26 Illinois Tool Works Inc. System and method of monitoring welding information
US10913126B2 (en) 2014-01-07 2021-02-09 Illinois Tool Works Inc. Welding software for detection and control of devices and for analysis of data
US10964229B2 (en) 2014-01-07 2021-03-30 Illinois Tool Works Inc. Feedback from a welding torch of a welding system
US11014183B2 (en) 2014-08-07 2021-05-25 Illinois Tool Works Inc. System and method of marking a welding workpiece
US11127313B2 (en) 2013-12-03 2021-09-21 Illinois Tool Works Inc. Systems and methods for a weld training system
US11241754B2 (en) 2014-01-07 2022-02-08 Illinois Tool Works Inc. Feedback from a welding torch of a welding system
US11247289B2 (en) 2014-10-16 2022-02-15 Illinois Tool Works Inc. Remote power supply parameter adjustment
US11288978B2 (en) 2019-07-22 2022-03-29 Illinois Tool Works Inc. Gas tungsten arc welding training systems
US11423800B2 (en) 2008-05-28 2022-08-23 Illinois Tool Works Inc. Welding training system
US11776423B2 (en) 2019-07-22 2023-10-03 Illinois Tool Works Inc. Connection boxes for gas tungsten arc welding training systems
DE102021130078B4 (de) 2020-12-10 2024-07-25 Kabo Tool Company Warnstruktur für elektronische Drehmomentwerkzeuge

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DE202013100263U1 (de) * 2013-01-21 2014-04-24 Hazet-Werk Hermann Zerver Gmbh & Co. Kg Justierung eines Drehmomentschlüssels
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US11423800B2 (en) 2008-05-28 2022-08-23 Illinois Tool Works Inc. Welding training system
US11749133B2 (en) 2008-05-28 2023-09-05 Illinois Tool Works Inc. Welding training system
US10417935B2 (en) 2012-11-09 2019-09-17 Illinois Tool Works Inc. System and device for welding training
US10482788B2 (en) 2013-03-15 2019-11-19 Illinois Tool Works Inc. Welding torch for a welding training system
US11127313B2 (en) 2013-12-03 2021-09-21 Illinois Tool Works Inc. Systems and methods for a weld training system
US10913126B2 (en) 2014-01-07 2021-02-09 Illinois Tool Works Inc. Welding software for detection and control of devices and for analysis of data
US11676509B2 (en) 2014-01-07 2023-06-13 Illinois Tool Works Inc. Feedback from a welding torch of a welding system
US10964229B2 (en) 2014-01-07 2021-03-30 Illinois Tool Works Inc. Feedback from a welding torch of a welding system
US11241754B2 (en) 2014-01-07 2022-02-08 Illinois Tool Works Inc. Feedback from a welding torch of a welding system
US10839718B2 (en) 2014-06-27 2020-11-17 Illinois Tool Works Inc. System and method of monitoring welding information
US9862049B2 (en) 2014-06-27 2018-01-09 Illinois Tool Works Inc. System and method of welding system operator identification
US10307853B2 (en) 2014-06-27 2019-06-04 Illinois Tool Works Inc. System and method for managing welding data
US9937578B2 (en) 2014-06-27 2018-04-10 Illinois Tool Works Inc. System and method for remote welding training
US10665128B2 (en) 2014-06-27 2020-05-26 Illinois Tool Works Inc. System and method of monitoring welding information
US11014183B2 (en) 2014-08-07 2021-05-25 Illinois Tool Works Inc. System and method of marking a welding workpiece
US9724787B2 (en) 2014-08-07 2017-08-08 Illinois Tool Works Inc. System and method of monitoring a welding environment
US9875665B2 (en) 2014-08-18 2018-01-23 Illinois Tool Works Inc. Weld training system and method
US11475785B2 (en) 2014-08-18 2022-10-18 Illinois Tool Works Inc. Weld training systems and methods
US10861345B2 (en) 2014-08-18 2020-12-08 Illinois Tool Works Inc. Weld training systems and methods
US11247289B2 (en) 2014-10-16 2022-02-15 Illinois Tool Works Inc. Remote power supply parameter adjustment
US10239147B2 (en) 2014-10-16 2019-03-26 Illinois Tool Works Inc. Sensor-based power controls for a welding system
US11482131B2 (en) 2014-11-05 2022-10-25 Illinois Tool Works Inc. System and method of reviewing weld data
US10210773B2 (en) 2014-11-05 2019-02-19 Illinois Tool Works Inc. System and method for welding torch display
US10204406B2 (en) 2014-11-05 2019-02-12 Illinois Tool Works Inc. System and method of controlling welding system camera exposure and marker illumination
US10490098B2 (en) 2014-11-05 2019-11-26 Illinois Tool Works Inc. System and method of recording multi-run data
US10373304B2 (en) 2014-11-05 2019-08-06 Illinois Tool Works Inc. System and method of arranging welding device markers
US11127133B2 (en) 2014-11-05 2021-09-21 Illinois Tool Works Inc. System and method of active torch marker control
US10417934B2 (en) 2014-11-05 2019-09-17 Illinois Tool Works Inc. System and method of reviewing weld data
US11192199B2 (en) 2014-11-05 2021-12-07 Illinois Tool Works Inc. System and method for weld-training system
US10402959B2 (en) 2014-11-05 2019-09-03 Illinois Tool Works Inc. System and method of active torch marker control
US10427239B2 (en) 2015-04-02 2019-10-01 Illinois Tool Works Inc. Systems and methods for tracking weld training arc parameters
US10373517B2 (en) 2015-08-12 2019-08-06 Illinois Tool Works Inc. Simulation stick welding electrode holder systems and methods
US10438505B2 (en) 2015-08-12 2019-10-08 Illinois Tool Works Welding training system interface
US11081020B2 (en) 2015-08-12 2021-08-03 Illinois Tool Works Inc. Stick welding electrode with real-time feedback features
US10593230B2 (en) 2015-08-12 2020-03-17 Illinois Tool Works Inc. Stick welding electrode holder systems and methods
US10657839B2 (en) 2015-08-12 2020-05-19 Illinois Tool Works Inc. Stick welding electrode holders with real-time feedback features
US11594148B2 (en) 2015-08-12 2023-02-28 Illinois Tool Works Inc. Stick welding electrode holder systems and methods
US11462124B2 (en) 2015-08-12 2022-10-04 Illinois Tool Works Inc. Welding training system interface
US12020586B2 (en) 2015-08-12 2024-06-25 Illinois Tool Works Inc. Stick welding electrode holder systems and methods
US11288978B2 (en) 2019-07-22 2022-03-29 Illinois Tool Works Inc. Gas tungsten arc welding training systems
US11776423B2 (en) 2019-07-22 2023-10-03 Illinois Tool Works Inc. Connection boxes for gas tungsten arc welding training systems
DE102021130078B4 (de) 2020-12-10 2024-07-25 Kabo Tool Company Warnstruktur für elektronische Drehmomentwerkzeuge

Also Published As

Publication number Publication date
EP2415560B1 (fr) 2016-05-18
DE202010011064U1 (de) 2010-10-21
CN102371564A (zh) 2012-03-14
TWI441718B (zh) 2014-06-21
EP2415560A3 (fr) 2014-02-19
TW201213063A (en) 2012-04-01

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