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EP1591206B1 - Drehmoment-Werkzeug, insbesondere Schlüssel und Verfahren zur Detektion des Endes eines Gleichgewichtszustands während der Aufbringung eines Drehmoments - Google Patents

Drehmoment-Werkzeug, insbesondere Schlüssel und Verfahren zur Detektion des Endes eines Gleichgewichtszustands während der Aufbringung eines Drehmoments Download PDF

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Publication number
EP1591206B1
EP1591206B1 EP05290725.0A EP05290725A EP1591206B1 EP 1591206 B1 EP1591206 B1 EP 1591206B1 EP 05290725 A EP05290725 A EP 05290725A EP 1591206 B1 EP1591206 B1 EP 1591206B1
Authority
EP
European Patent Office
Prior art keywords
torque
measurement
fastener element
tool
mechanical
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.)
Not-in-force
Application number
EP05290725.0A
Other languages
English (en)
French (fr)
Other versions
EP1591206A2 (de
EP1591206A3 (de
Inventor
Bertrand Cupif
Philippe Praudel
Jocelyn Vecchio
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.)
Stanley Works Europe GmbH
Original Assignee
Stanley Works Europe GmbH
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 FR0403722A external-priority patent/FR2868722B1/fr
Priority claimed from FR0403724A external-priority patent/FR2868723B1/fr
Application filed by Stanley Works Europe GmbH filed Critical Stanley Works Europe GmbH
Publication of EP1591206A2 publication Critical patent/EP1591206A2/de
Publication of EP1591206A3 publication Critical patent/EP1591206A3/de
Application granted granted Critical
Publication of EP1591206B1 publication Critical patent/EP1591206B1/de
Not-in-force 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
    • 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
    • B25B23/1427—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 mechanical means

Definitions

  • the present invention relates to a tool according to the preamble of claim 1, in particular a mechanical torque wrench with manual application of the torque comprising mechanical means able to provide a predetermined torque to a driving portion intended to cooperate with a body member. screwing to drive a fastener, said mechanical means being in equilibrium under the action of suitable biasing means, said mechanical means being releasable by breaking equilibrium, and means for detecting the breakage of equilibrium.
  • the invention also relates to an equilibrium breakage detection method according to the preamble of claim 17 and a clamping method according to the preamble of claim 21.
  • clamping operations of fasteners in the industrial sector require more and more traceability, ie knowledge of all the information and measures to follow and quickly find the steps of the process.
  • the dynamometer tool manufacturers propose mechanical tools, the principle of which is based on a highly perceptible break in equilibrium, making it possible to detect the break in equilibrium by a device comprising an electrical circuit provided with a switching means whose state is changed by the breaking of equilibrium, and a processing unit, adapted to exploit information relating to the state of said switching means.
  • the entire detection device is generally housed in a casing fixed externally to the body of the tool.
  • such a construction uses a miniature switch whose life is relatively short, and which poses reliability problems when it is subjected to sudden actuations, which is generally the case for tools breaking balance. mechanical.
  • the known devices also have the disadvantage of not taking into account the phenomenon of over-torque exerted during the torque tightening operation, once the equilibrium is broken. This over-torque value can reach 50% of the predetermined setpoint torque under certain conditions of use of the key.
  • a main goal is to overcome these disadvantages, and to provide a mechanical torque tool whose size does not increase and whose reliability is increased.
  • Another aim is to provide a mechanical torque tool that improves the traceability of torque tightening operations, taking into account the over-torque phenomenon.
  • the means for detecting the mechanical equilibrium break include measuring means which provide a signal corresponding to the measurement of the torque applied to the fastener, means electronic processing of said signal and processing means by calculating data from the electronic processing of said signal.
  • the key 1 which has been shown essentially comprises a tubular assembly 3 of generally cylindrical shape, defining an external hollow body, a head or drive element 5 towards the front of the key, a handle assembly 7 for grasping the tool , located towards the back of the key.
  • the tubular assembly 3 is formed of an outer sleeve 3a defined by a cylindrical sleeve, and of an inner tube 3b, the sleeve 3a being fit-fitted on the tube 3b and covering the tube 3b in the front part of this tube. latest.
  • the sheath 3a, the tube 3b and the head 5 are preferably metal parts.
  • the key shown is of the type of production trigger, ie the type used in the production workshop to tighten following a large number of identical elements of bolts, to the same predetermined torque. For this type of tool, it is not necessary to readjust the triggering torque frequently. It is understood that the invention applies as well to a so-called production key, particularly trigger as shown in the figures or breakage, an adjustable torque wrench.
  • the handle assembly 7 is fixedly mounted on the tube assembly 3, the proximal end of the handle assembly 7 comprising a plug 111 having a shutter 119 preserving a passage inwardly of the tubular assembly 3.
  • the set torque adjustment members are accessible by means of tool inside the tubular assemblies 3 and handle 7, after removal of the shutter 119 of the plug 111.
  • the key 1 represented on the figures 2 and 3 has a handle assembly 7 comprising a handle-holder 71 of generally cylindrical shape extending coaxially with the axis XX of the key in which a support module 41 is mounted and fixed, said support-handle 71 being fitted and fixed on the rear part of the tube 3b.
  • the handle assembly 7 also comprises a sleeve 101 partially covering the support-handle 71, and on which it is fixed. The rear end of the sleeve 3a engages with play in the front end of the handle holder 71.
  • the drive head 5 is a part which comprises a front block 21 projecting from the front of the tube assembly 3, an intermediate hinge zone 23, and a rear tail 25 fitted with play in the tube 3 and mounted with possibility of pivoting on the tube 3 around a ZZ axis represented by a pin 27.
  • the drive head also comprises, located between the front block 21 and the hinge zone 23, an elastic bar 26 having in cross section a rectangular shape of constant dimensions along its entire length.
  • the bar 26 has side faces 26a made in a plane parallel to the axis Z-Z, so that they undergo the deformations of the bar 26.
  • the pin 27 traverses diametrically the hinge zone 23, the sleeve 3a and the tube 3b being integral with the latter two.
  • the block 21 has, from its front end, an attachment 29, in which can be fitted and attach an actuator (not shown).
  • the latter is typically a reversible reversible ratchet head, provided with a drive square on which fits a screw socket.
  • the cutting plane XZ is assumed vertical and the axis XX is assumed to be horizontal, for the convenience of the description.
  • the orientation of the key shown in this figure corresponds to the actuation of a screw or a nut (not shown) whose axis is vertical.
  • the assembly formed of the pusher 65 and die 67 defines an axial bearing means on the drive head 25.
  • the axial position of the threaded cylinder 31 determines the compression of the spring 61, and thus the axial bearing force of the pusher 65 on the tail 25, through the die 67.
  • the die 67 tilts and backs the pusher.
  • the handle assembly 7 comprises a support module 41 of electrical / electronic means and / or power supply.
  • the support module 41 comprises a support comprising recesses and / or housing and end faces adapted respectively to receive power supply members 42, such as "AAA" type batteries and electrical / electronic circuit boards.
  • the proximal end 74 of the handle-holder 71 has a longitudinally extending tubular section of shape and size adapted to receive the support-module 41.
  • An elongate lumen 75 is made axially and away from the proximal end face 74, over a half circumference of the outer wall of the handle-holder 71.
  • the recesses adapted to receive the organs power supply 42 are positioned opposite the elongate light 75 of the handle-holder 71. This configuration allows quick access to the batteries 42.
  • a fixing element 86 holds the support module 41 in position in the handle-holder 71.
  • means 121 for measuring the deformation of the elastic bar 26 of the driving head 5 consist of measuring element sensitive elements, such as bonded resistive extensometers (strain gages) on the faces 26a of the bar 26.
  • measuring element sensitive elements such as bonded resistive extensometers (strain gages) on the faces 26a of the bar 26.
  • strain gages bonded resistive extensometers
  • a thin elongated insulating plate 121 carrying extensometers formed and wired directly onto it is fixed rigidly, and in a manner known per se, on a lateral face 26a of the bar 26.
  • the extensometers are connected to a sheet of conductive wires 123.
  • This sheet 123 travels through an inner conduit of the tail 25 of the drive head 5, just behind the hinge zone 23, through an orifice of input 26b in communication with an outlet port 26c.
  • the sheet 123 then passes through an oblong slot 3c located in the distal portion of the tube 3b to continue its path, inserted in a longitudinal groove 3d made on the outer surface of the tube 3b.
  • the end of the ply 123 opposite the plate 121 carrying the extensometers is connected to a connector 124, itself connected to one of the electrical circuit plates of the support module 41 via a clearance 77 made on the handle support 71 between the light 75 and the distal end 72 in the half circumference opposite that of the light 75.
  • the handle holder 71 has, between the clearance 77 and the distal end 72, a groove 78 is adapted to receive a seal 80, such as an O-ring.
  • the plug 111 also comprises a passage 118 extending in the axis XX of the key 61 and in the extension of a central duct 47 of the support of the support module 41.
  • This arrangement allows an operator to introduce a screwdriver blade or a male key to access from the outside to the drive portion 33 of the second threaded cylinder 31 passing successively and from outside, the plug 111, the support module 41, the first threaded cylinder 91.
  • the plug 111 also comprises a passage 120 capable of passing a flexible antenna 87 connected to one of the electrical / electronic circuit boards of the support module 41.
  • the resistive sensitive elements such as extensometers or strain gauges 121, are connected, in known manner, in a Wheatstone bridge circuit, reflecting the deformation of the test bar 26 in resistance difference.
  • the batteries or accumulators 42 located on the support module 41 constitute the voltage source supplying the bridge circuit.
  • the support module 41 comprises electronic means for processing the signal from the strain gauges 121.
  • the support module 41 also comprises electronic calculation means for detecting whether or not the break in mechanical equilibrium has occurred.
  • the support module 41 also comprises electronic means for transmitting information corresponding to the detection of breakage of equilibrium and / or the measurement.
  • the electronic diagram comprises a bridge gage circuit 121 connected to one or more amplifier inputs 201.
  • the output of the amplifier is connected to a double analog / digital conversion device 203 and a microcontroller 205.
  • Memory means electronic 207 can store one or more information.
  • Means 215 make it possible to perform calculations on digital data from the preceding electronic devices. The power supply of these elements is provided by the batteries 42.
  • Information from the electronic equipment of the key described above can be transmitted remotely 217 to a control equipment 219 via a transmission module 209 and an antenna 87.
  • these same information can be displayed via a display device such as a screen 211 or a light emitting diode display device 213.
  • the figure 4a represents a measuring curve of the tightening torque Ci in the time t, characteristic of a mechanical equilibrium breaking key.
  • the curve has two consecutive peaks 301 and 302, separated by a valley shape 305.
  • the valley form 305 corresponds to the breakage of mechanical equilibrium.
  • the peak 302 corresponds to the measurement of the excess torque applied after the break in equilibrium, that is to say the maximum torque CM applied to the fastener once the equilibrium has been broken.
  • the peak 301 corresponds to the measurement of the torque applied before the break in equilibrium.
  • the figure 5 presents a flowchart of a torque tightening cycle.
  • a parameterization phase of the tool is performed before any operation. It consists of storing an identification number of the tool, predetermining a first low measurement threshold C0, a second low measurement threshold C1 and initializing the number of clamping cycles.
  • the key has a 401 slow sampling "sleep" mode. is realized.
  • This measurement Ci is stored and compared 405 to the first predetermined low threshold C0.
  • the microcontroller stores in a memory 409 a value of the maximum torque CM equal to the threshold value C0.
  • the microcontroller continuously samples the voltage of the gauges 410 and compares the measurement value Ci to the maximum torque value CM. The microcontroller retains the highest value. The value of the measured maximum torque CM is thus stored in a memory 413.
  • the stored value is then compared 415 to the second predetermined lower threshold C1.
  • the microcontroller executes a mechanical equilibrium break presence test 417.
  • a positive presence test conditions the transmission 421 of one or more information relating to the clamping sequence, such as the presence of the mechanical equilibrium break. and / or the maximum torque value CM, an identifier number of the tool, the number of the cycle.
  • the mechanical equilibrium break detection is performed by analyzing the specific waveform created by the sudden change in the resistance of the gauges at the moment of tripping.
  • the variation of the gauge voltage is in the form of a pulse whose relaxation time is characterized by the natural frequency of the test body. This relaxation time is fixed because it is linked to the accuracy of the mechanical equilibrium break.
  • the figure 6a presents a flowchart of a first mode of detection of the mechanical equilibrium break.
  • the microcontroller samples 501 the output voltage of the measuring means of the gauges.
  • a computer 215 performs a derivation calculation dCi / dt of the output voltage Ci with respect to the time t and stores 503 the value of this derivative in a memory m.
  • the computer 215 compares 505 the value of the calculated derivative m to a predetermined slope value m0.
  • the computer 215 performs a new derivative calculation on the following sampling.
  • the microcontroller If the calculated value m is greater than the predetermined value of slope m0, the microcontroller provides a mechanical equilibrium break presence information. After digital-to-analog conversion, a trip presence signal can be transmitted 507.
  • the figure 6b presents a flow diagram of a second mode of detection of the mechanical equilibrium break.
  • the microcontroller samples 600 the output voltage of the measuring means of the gauges.
  • a first curve 601 for measuring the tightening torque Ci as a function of time t is stored.
  • a second curve 602, identical to the first curve 601, is stored with a delta offset t, positive and low, in time t.
  • a calculator performs a test of identifying the presence of an intersection 305 'between the first 601 and the second curve 602.
  • the mechanical equilibrium break 305 is present.
  • the microcontroller provides information of presence of breakage of mechanical equilibrium. After digital-to-analog conversion, a trip presence or break-off signal can be transmitted 607.
  • the figure 4b represents a first curve 601 for measuring the tightening torque Ci in time t.
  • the first curve 601 has a first peak 301 'characteristic of a trigger key.
  • the second constructed curve 602 has a peak 301 ", itself shifted by a delta interval t in time.
  • intersection 305 'of the first 601 and second 602 curves defines the calculated instant of the triggering or breaking of mechanical equilibrium.
  • the transmission may be a wireless link transmission 217 to a control equipment 219 either outside or integrated in the key.
  • it may be a radio frequency link in the 869Mhz ISM band.
  • the previous wireless transmission can be replaced by wired link transmission.
  • the value of the maximum torque measured after breaking the mechanical balance of the key can then be displayed on a screen of the control equipment.
  • the detection method according to the invention allows other steps such as, successively, the measurement of the maximum torque after the break of mechanical equilibrium, the transmission of the measurement of the maximum torque after the breakdown of mechanical equilibrium and the display. the measurement value of the maximum torque after the break in mechanical equilibrium.
  • the steps of the detection method may be preceded by a step of identifying the tool.
  • the clamping method according to the invention is characterized in that it comprises the steps of providing information corresponding to the measurement of the torque applied to the fixing element, the electronic processing and the provision of information corresponding to the measurement of the maximum torque applied after the failure of mechanical equilibrium, the transmission of said information corresponding to the measurement of the maximum torque after the break of mechanical equilibrium.
  • the steps of the clamping process may be preceded by a step of identifying the tool. These steps can be followed by a step of displaying the measurement value of the maximum torque after the break in mechanical equilibrium.
  • the invention that has just been described makes it possible to make reliable the break-off detection function. mechanical, without additional space for a dynamometric tool.
  • the invention which has just been described makes it possible to improve the traceability of a tightening by a dynamometric tool, by measuring the over-torque.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Claims (24)

  1. Handgeführtes, mechanisches Drehmoment-Werkzeug, insbesondere Drehmomentschlüssel, umfassend mechanische Mittel (3, 7, 63, 64, 65, 67), die geeignet sind, ein vorbestimmtes Torsionsmoment an einen Antriebsabschnitt (5) zu liefern, der dazu bestimmt ist, mit einem Schrauborgan zusammenzuwirken, um ein Befestigungselement anzutreiben, wobei sich die mechanischen Mittel unter der Einwirkung der angepassten Vorspannmittel (31, 61) im mechanischen Gleichgewicht befinden, wobei die mechanischen Mittel durch das Beenden des mechanischen Gleichgewichts lösbar sind, und Mittel zur Detektion des Endes des mechanischen Gleichgewichts
    dadurch gekennzeichnet, dass
    die Mittel zur Detektion des Endes des mechanischen Gleichgewichts Mittel zum Messen (121), die ein Signal liefern, das dem Messen des auf das Befestigungselement aufgebrachten Drehmoments entspricht, Mittel zum elektronischen Verarbeiten (201, 203, 205, 207) des Signals und Mittel zum rechnerischen Verarbeiten (215) von Daten, die aus der elektronischen Verarbeitung des Signals stammen, umfassen.
  2. Drehmoment-Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Berechnen das Ende des mechanischen Gleichgewichts durch Berechnen des (501, 503, 507) Derivats des Messwerts des Drehmoments bezogen auf die Zeit detektieren.
  3. Drehmoment-Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Berechnen das Endes des mechanischen Gleichgewichts durch Berechnen des Schnittpunkts (600, 601, 602, 605, 607) einer ersten (601) und einer zweiten (602) Kurve detektieren, wobei die erste Kurve den Messwert des Drehmoments bezogen auf die Zeit darstellt, wobei die zweite Kurve, abgesehen von einem geringen und positiven Zeitversatz (603), mit der ersten identisch ist.
  4. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Mittel zum elektronischen Verarbeiten des Signals (201, 203, 205, 207) und die Mittel zum Berechnen (215) im Innern des Schlüssels angeordnet sind.
  5. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Schlüssel ferner Mittel zum Übertragen (209) der Messung des maximalen Anzugsdrehmoment, das auf das Befestigungselement aufgebracht wird, an eine außerhalb des Werkzeugs liegende Station (219) umfasst, und dadurch, dass die Station den Wert des maximalen Anzugsdrehmoments, das auf das Befestigungselement aufgebracht wird, anzeigt.
  6. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Schlüssel ferner Mittel zum Übertragen (209) der Messung des maximalen Anzugsdrehmoment, das auf das Befestigungselement aufgebracht wird, an Mittel zum Empfangen (211; 213), die fest mit dem Werkzeug verbunden sind, umfasst, und dadurch, dass die Mittel zum Empfangen den Wert des maximalen Anzugsdrehmoments, das auf das Befestigungselement aufgebracht wird, anzeigen.
  7. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Mittel zum Messen empfindliche Widerstandselemente (121) umfassen.
  8. Drehmoment-Werkzeug nach Anspruch 7, dadurch gekennzeichnet, dass die Mittel zum Messen mehrere als Brücke angeordnete Dehnmessstreifen (121) umfassen.
  9. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass es sich bei dem Werkzeug um einen Drehmomentschlüssel mit Auslösung handelt.
  10. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass es sich bei dem Werkzeug um einen Knick-Drehmomentschlüssel handelt.
  11. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass es sich bei dem Werkzeug um einen Schraubendreher handelt.
  12. Drehmoment-Werkzeug nach einem der Ansprüche 7 bis 11 in Kombination mit Anspruch 5, dadurch gekennzeichnet, dass die Information über Funkfrequenzen übertragen wird.
  13. Drehmoment-Werkzeug nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Vorspannmittel eine Feder umfassen, deren Kompression das Sollmoment bestimmt, wobei die Feder zur axialen Kraftbeaufschlagung auf die mechanischen Mittel beiträgt, dadurch, dass Mittel zum Messen (121), die aus empfindlichen Messorganelementen, wie etwa Widerstands-Extensometern oder Dehnmessstreifen, bestehen, eine Information liefern, die der Messung des Drehmoments, das auf das Befestigungselement aufgebracht wird, entspricht, und dadurch, dass eine Einheit zur elektronischen Verarbeitung (41), die in das Werkzeug integriert ist, eine Information liefert, die der Messung des maximalen Drehmoments, das auf das Befestigungselement aufgebracht wird, entspricht, nachdem das mechanische Gleichgewicht beendet wurde, und an eine Empfangseinheit (211, 213, 219) die Information überträgt, die der Messung des maximalen Drehmoments, das nach dem Ende des mechanischen Gleichgewichts auf das Befestigungselement aufgebracht wird, entspricht.
  14. Drehmoment-Werkzeug nach Anspruch 13, dadurch gekennzeichnet, dass die Verarbeitungseinheit im Innern des Schlüssels angeordnet ist.
  15. Drehmoment-Werkzeug nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass die Empfangseinheit eine außerhalb des Werkzeugs liegende Station (219) ist, und dadurch, dass sie den Messwert des maximalen Anzugsdrehmoments, das auf das Befestigungselement aufgebracht wird, anzeigt.
  16. Drehmoment-Werkzeug nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass die Empfangseinheit eine fest mit dem Werkzeug verbundene Einheit (211, 213) ist, und dadurch, dass sie den Messwert des maximalen Anzugsdrehmoments, das auf das Befestigungselement aufgebracht wird, anzeigt.
  17. Verfahren zur Detektion des Endes des mechanischen Gleichgewichts während des händischen Anziehens eines Befestigungselement mit einem Drehmoment, wenn das aufgebrachte Drehmoment ein vorbestimmtes Sollmoment erreicht, dadurch gekennzeichnet, dass das Verfahren die folgenden Schritte umfasst
    - Liefern einer Information, die der Messung (501; 600) des Drehmoments, das auf das Befestigungselement aufgebracht wird, entspricht, - elektronisches Verarbeiten der Information (201, 203, 205, 207),
    - rechnerisches Verarbeiten (503, 505; 601, 602, 305') der digitalen Daten, die aus der elektronischen Verarbeitung der Information stammen.
  18. Verfahren zur Detektion des Endes des mechanischen Gleichgewichts während des händischen Anziehens eines Befestigungselements mit einem Drehmoment, wenn das aufgebrachte Drehmoment ein vorbestimmtes Sollmoment erreicht, dadurch gekennzeichnet, dass ein Schritt zum Liefern (413) einer Information, die der Messung des maximalen Drehmoments, das auf das Befestigungselement aufgebracht wird, entspricht, sobald das Gleichgewicht beendet ist, auf den Schritt zum Berechnen gemäß Anspruch 17 folgt.
  19. Verfahren zur Detektion des Endes des mechanischen Gleichgewichts während des händischen Anziehens eines Befestigungselements mit einem Drehmoment, wenn das aufgebrachte Drehmoment ein vorbestimmtes Sollmoment erreicht, dadurch gekennzeichnet, dass ein Schritt zum Übertragen (421) der Information, die der Messung des maximalen Drehmoments, das auf das Befestigungselement aufgebracht wird, entspricht, sobald das Gleichgewicht beendet ist, auf den Schritt zum Liefern gemäß Anspruch 18 folgt.
  20. Verfahren nach Anspruch 19, dadurch gekennzeichnet, dass der Schritt zum Übertragen ein Schritt zum Übertragen mittels Funkfrequenz ist.
  21. Verfahren zum händischen Anziehen eines Befestigungselements mit einem Drehmoment durch ein Prinzip des Beendens des mechanischen Gleichgewichts, wenn das aufgebrachte Drehmoment ein vorbestimmtes Sollmoment erreicht, dadurch gekennzeichnet, dass das Verfahren die folgenden Schritte umfasst
    - Liefern einer Information, die der Messung (401, 403, 407, 410) des Drehmoments entspricht, das auf das Befestigungselement aufgebracht wird,
    - elektronisches Verarbeiten (405, 409, 411, 415) und Liefern (413) einer Information, die der Messung des maximalen Drehmoments, das nach dem Ende des mechanischen Gleichgewichts (417) aufgebracht wird, entspricht,
    - Übertragen (421) der Information, die der Messung des maximalen Drehmoments, das nach dem Ende des mechanischen Gleichgewichts aufgebracht wird, entspricht.
  22. Verfahren zum Anziehen, dadurch gekennzeichnet, dass den Schritten nach Anspruch 21 ein Schritt zum Identifizieren des Werkzeugs vorausgeht.
  23. Verfahren zum Anziehen, dadurch gekennzeichnet, dass auf die Schritte nach Anspruch 21 ein Schritt zum Anzeigen des Werkzeugs folgt.
  24. Verfahren zum Anziehen nach einem der Ansprüche 21 bis 23, dadurch gekennzeichnet, dass der Schritt zum Übertragen ein Schritt zum Übertragen mittels Funkfrequenz ist.
EP05290725.0A 2004-04-09 2005-04-01 Drehmoment-Werkzeug, insbesondere Schlüssel und Verfahren zur Detektion des Endes eines Gleichgewichtszustands während der Aufbringung eines Drehmoments Not-in-force EP1591206B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0403722A FR2868722B1 (fr) 2004-04-09 2004-04-09 Outil, notamment cle, dynamometrique et procede de serrage au couple
FR0403724 2004-04-09
FR0403722 2004-04-09
FR0403724A FR2868723B1 (fr) 2004-04-09 2004-04-09 Outil, notamment cle, dynamometrique et procede de detection de rupture d'equilibre lors d'un serrage au couple

Publications (3)

Publication Number Publication Date
EP1591206A2 EP1591206A2 (de) 2005-11-02
EP1591206A3 EP1591206A3 (de) 2007-03-28
EP1591206B1 true EP1591206B1 (de) 2015-02-11

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EP05290725.0A Not-in-force EP1591206B1 (de) 2004-04-09 2005-04-01 Drehmoment-Werkzeug, insbesondere Schlüssel und Verfahren zur Detektion des Endes eines Gleichgewichtszustands während der Aufbringung eines Drehmoments

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US (1) US7284451B2 (de)
EP (1) EP1591206B1 (de)

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US7343824B2 (en) * 2006-06-20 2008-03-18 Bradshaw Medical, Inc. Variable torque-limiting driver
FR2915122B1 (fr) * 2007-04-18 2009-06-05 Georges Renault Soc Par Action Outil de vissage comprenant une fenetre de reglage d'un couple de vissage et une trappe d'obturation de la fenetre susceptible d'etre entrainee par un mecanisme presentant des moyens d'actionnement
US7934428B2 (en) * 2007-09-20 2011-05-03 Asi Datamyte, Inc. Residual torque analyzer
DE102010019792A1 (de) * 2010-05-06 2011-11-10 Lösomat Schraubtechnik Neef Gmbh Vorrichtung zur Erzeugung eines drehmomentgenauen Anzugsmoments für Schraubverbindungen und Verfahren zur Kalibrierung einer solchen Vorrichtung
TW201402282A (zh) * 2012-07-10 2014-01-16 Matatakitoyo Tool Co Ltd 扭力扳手結構
WO2014201243A2 (en) * 2013-06-13 2014-12-18 Stanley Black & Decker, Inc. Wireless tool system
AU2015405004A1 (en) * 2015-07-31 2018-02-08 Stanley Black & Decker Mea Fze A device and method for monitoring a tool
DE102018113744B4 (de) * 2018-06-08 2022-08-11 Asm Assembly Systems Gmbh & Co. Kg Nivelliervorrichtung
TWI827306B (zh) * 2022-10-13 2023-12-21 和嘉興精密股份有限公司 扭力結構

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JPH08118251A (ja) * 1994-10-19 1996-05-14 Tonichi Seisakusho:Kk トルクレンチにおけるデータ転送装置
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IT1312407B1 (it) * 1999-06-16 2002-04-17 Blm S A S Di L Bareggi & C Attrezzo perfezionato per il serraggio,con inserti intercambiabili
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FR2842449B1 (fr) * 2002-07-17 2005-02-11 Facom Dispositif et outil d'assemblage a sortie de donnees

Also Published As

Publication number Publication date
EP1591206A2 (de) 2005-11-02
US7284451B2 (en) 2007-10-23
US20050223817A1 (en) 2005-10-13
EP1591206A3 (de) 2007-03-28

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