EP1277548A1 - Bolt driving tool with setting depth control - Google Patents

Bolt driving tool with setting depth control Download PDF

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Publication number
EP1277548A1
EP1277548A1 EP01810717A EP01810717A EP1277548A1 EP 1277548 A1 EP1277548 A1 EP 1277548A1 EP 01810717 A EP01810717 A EP 01810717A EP 01810717 A EP01810717 A EP 01810717A EP 1277548 A1 EP1277548 A1 EP 1277548A1
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EP
European Patent Office
Prior art keywords
setting
sensor
bolt
control
depth
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Granted
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EP01810717A
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German (de)
French (fr)
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EP1277548B1 (en
Inventor
Christoph Würsch
Albert Binder
Harald Schmitzer
Wolfgang Zesch
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Hilti AG
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Hilti AG
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00Hand-held nailing tools; Nail feeding devices
    • B25C1/08Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18Details and accessories, e.g. splinter guards, spall minimisers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00Hand-held nailing tools; Nail feeding devices
    • B25C1/08Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/14Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil
    • B25C1/143Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil trigger operated

Abstract

A control circuit (I) has control electronics (7), a setting transmitter (8) for depth settings (T), a position-measurement sensor (9) to determine the bottom dead center of motion (uTP) for a setting piston (4) and a control device (10) for automatic adjustment of motion energy for the setting piston for the next action to drive home a stud. An Independent claim is also included for a method for regulating the setting depth of a stud nail set up by a stud-setting device to drive a stud home in just one action.

Description

Die Erfindung bezeichnet ein Bolzensetzgerät mit einer Setztiefenregelung und ein zugeordnetes Regelungsverfahren.The invention relates to a bolt setting device with a setting depth control and a associated regulatory procedure.

Bei Bolzensetzgeräten wird in einem einmaligen Eintreibvorgang, welcher üblicherweise durch die Explosion einer Pulverkartusche oder die Verbrennung eines Gasgemisches in einer Brennkammer entsteht, ein Setzkolben beschleunigt, welcher mit seiner Bewegungsenergie einen Nagelbolzen in den Untergrund eintreibt. Die Bewegungsenergie ist entsprechend der Härte des Untergrundes und der gewünschten Setztiefe durch die Wahl der Pulverkartusche bzw. der Zusammensetzung des Gasgemisches sowie der Veränderung des Brennkammervolumens, der Anfangsposition des Setzkolbens und zugeordneter Dämpferelemente vorzuwählen. Üblicherweise sind dazu Vorversuche erforderlich, welche Zeit und Material verbrauchen.In bolt guns is in a one-time drive-in, which usually by the explosion of a powder cartridge or the combustion of a gas mixture in a combustion chamber is created, a setting piston accelerates, which with his Kinetic energy drives a nail bolt into the ground. The kinetic energy is due to the hardness of the substrate and the desired depth by the choice the powder cartridge or the composition of the gas mixture and the change the combustion chamber volume, the initial position of the setting piston and associated To select damper elements. Usually this preliminary tests are required, which Consume time and material.

Nach der DE3930592A1 ist ein pulvergetriebenes Bolzensetzgerät mit einem Setzkolben und elastischen Dämpferelementen zur Setztiefenregelung vorbekannt, bei dem mittels manueller Variation der Anfangsposition des Setzkolbens zu den zugeordneten Dämpferelementen über Vorversuche die Setztiefe des nächsten Nagelbolzens einstellbar ist.According to DE3930592A1 is a powder-operated bolt gun with a setting piston and elastic damper elements for setting depth control previously known in the means of Manual variation of the initial position of the setting piston to the assigned Damper elements via preliminary tests, the setting depth of the next nail pin adjustable is.

Nach der EP338257B1 weist ein Mehrschlagnagelgerät eine elektronische Schlagenergieregelung für den nächsten Teilschlag auf denselben Nagelbolzen über eine abgespeicherte Regelfunktion für den Stromflusswinkel des elektromagnetischen Schlagwerks von der erzielten Teileindringtiefenänderung auf, welche mit einem optischen oder magnetischen inkrementellen Wegmesssensor für den elektromagnetisch angetriebenen Setzkolben über die Position des unteren Bewegungstotpunktes ermittelt wird. Nach dem Erreichen des vorwählbaren Sollwertes der Setztiefe, welche durch eine Summierung der Teileindringtiefenänderungen über alle Teilschläge oder einen Endpositionssensor ermittelt wird, wird der Eintreibvorgang beendet und die Schlagenergieregelung für den nächsten Eintreibvorgang initialisiert. Eine derartige Schlagenergieregelung für Teilschläge ist bei Bolzensetzgeräten mit einem einmaligen Eintreibvorgang nicht anwendbar. According to EP338257B1 a Mehrschlagnagelgerät has an electronic Schlagenergieregelung for the next part of the stroke on the same nail bolts on a stored control function for the current flow angle of the electromagnetic Schlagwerks of the achieved Teilindringtiefenänderung, which with an optical or magnetic incremental displacement sensor for the electromagnetic driven set piston determined by the position of the lower Bewegungsstotpunktes becomes. After reaching the preselectable setpoint of the setting depth, which by a Summation of Teilindringtiefenänderungen over all partial strikes or one Endpositionssensor is detected, the driving is terminated and the Schlierenergieregelung initialized for the next drive. Such Schlagenergieregelung for partial blows is in bolt guns with a unique Drive not applicable.

Die Aufgabe der Erfindung besteht in der Realisierung eines Bolzensetzgerätes mit einer Setztiefenregelung für einen einmaligen Eintreibvorgang und eines zugeordneten Regelungsverfahrens.The object of the invention is the realization of a bolt gun with a Settling depth control for a single driving operation and an assigned Regulatory procedure.

Die Aufgabe wird im wesentlichen durch die Merkmale der unabhängigen Ansprüche gelöst. Vorteilhafte Weiterbildungen ergeben sich aus den Unteransprüchen.The object is essentially achieved by the features of the independent claims. Advantageous developments emerge from the subclaims.

Im wesentlichen weist ein Bolzensetzgerät mit einem, von einem expandierenden Treibgas in einer Brennkammer angetriebenen, Setzkolben zum Eintreiben eines Nagelbolzens in einem einmaligen Eintreibvorgang einen Regelkreis mit einer Regelungselektronik, einem Sollwertgeber für die Setztiefe, einem Positionsmesssensor zur Bestimmung der Position des unteren Bewegungstotpunktes des Setzkolbens und einem Steuermittel zur selbstständigen Einstellung der Bewegungsenergie des Setzkolbens für den nächsten Eintreibvorgang auf.Essentially, a bolt gun has one of an expanding propellant gas in a combustion chamber driven, setting piston for driving a nail bolt in a one-time Eintreibvorgang a control loop with a control electronics, a Setpoint adjuster for the set depth, a position measuring sensor for determining the position the lower Bewegungsstotpunktes of the setting piston and a control means for Independent adjustment of the kinetic energy of the setting piston for the next Drive on.

Beim Regelungsverfahren wird in einem ersten Schritt durch Betätigung des Betätigungsschalters der Eintreibvorgang ausgelöst; in einem zweiten Schritt vom Positionsmesssensor die Position des Setzkolbens während des Eintreibvorgangs zumindest an Stützstellen mehrfach gemessen und daraus von der Regelungselektronik die Position des unteren Bewegungstotpunktes ermittelt, welche mit der Setztiefe des Nagelbolzens korreliert ist. In einem dritten Schritt wird von der Regelungselektronik aus der Position des unteren Bewegungstotpunktes und des Sollwertes der Setztiefe für den nächsten Setzvorgang eine Stellgrösse für das Steuermittel für die Änderung der Bewegungsenergie des Setzkolbens ermittelt und temporär als Einstellung für den nächsten Setzvorgang zwischengespeichert, welche in einem vierten Schritt vom Steuermittel eingestellt wird. In den folgenden Schritten wiederholen sich die Schritte eins bis vier periodisch, wodurch ab dem zweiten Eintreibvorgang eine selbsttätige Regelung der Setztiefe erzielt wird.In the regulatory procedure, in a first step, pressing the Actuator switch the drive initiated; in a second step from Position measuring sensor, the position of the setting piston during the driving at least repeatedly measured at support points and from the control electronics position the lower Bewegungsstotpunktes determined, which with the setting depth of the nail bolt is correlated. In a third step is from the control electronics from the position of bottom dead center and the setpoint of the set depth for the next Setting process a manipulated variable for the control means for the change of kinetic energy the setting piston determined and temporarily as a setting for the next setting process which is set by the control means in a fourth step. In In the following steps, steps one to four are repeated periodically, which causes the second driving operation, an automatic control of the setting depth is achieved.

Anhängig von der über den Positionsmesssensor ermittelten Setztiefe des letzten Nagelbolzens wird über die Regelungselektronik die Bewegungsenergie des nächsten Eintreibvorgangs für den nächsten Nagelbolzen bestimmt und über das Steuermittel temporär gespeichert eingestellt, wodurch innerhalb weniger Setzvorgänge selbstständig eine in einen einmaligen Eintreibvorgang erzielte Setztiefe entsprechend des vorwählbaren Sollwertes erzielt wird. Dependent on the setting depth of the last determined via the position measuring sensor Nail bolt is the electronic control of the kinetic energy of the next Driving operation for the next nail bolt determined and the control means temporarily stored, which makes it self-contained within a few setting processes a setting depth achieved in a single drive operation according to the pre-selectable Target value is achieved.

Vorteilhaft ist das Steuermittel als ein elektrisch steuerbarer, mechanischer Aktuator ausgebildet, welcher weiter vorteilhaft in üblicher Weise zur Änderung der Treibstoffmenge, des Mischungsverhältnisses, des Brennkammervolumens, der Ablassvorrichtungen für das Treibgas oder der Position der Dämpferelemente ausgebildet ist.Advantageously, the control means as an electrically controllable, mechanical actuator formed, which further advantageous in the usual way to change the amount of fuel, the mixing ratio, the combustion chamber volume, the discharge devices for the Propellant or the position of the damper elements is formed.

Vorteilhaft ist der Positionsmesssensor mit mehreren, auf dem Setzkolben axial äquidistant beabstandeten und weiter vorteilhaft rotationssymmetrischen, Sensormarken als inkrementeller Sensor ausgebildet, welcher mit einer, weiter vorteilhaft in die Regelungselektronik integrierten, Zähleinrichtung verbunden ist, wodurch der Positionsmesssensor sehr klein und robust ausführbar ist.Advantageously, the position measuring sensor with a plurality of axially equidistant on the setting piston spaced and more advantageous rotationally symmetric, sensor marks as formed incremental sensor, which with a, further advantageous in the Integrated control electronics, counting device is connected, causing the Position measuring sensor is very small and robust executable.

Vorteilhaft ist der inkrementelle Sensor ein magnetfeldsensitiver Halbleitersensor wie ein magnetoresistiver Sensor oder ein Hall-Sensor, welchem Nasen oder Aussparungen am Setzkolben als Sensormarken zugeordnet sind, die ein permanentes Magnetfeld, welches weiter vorteilhaft durch einen Permanentmagneten erzeugt wird, am Ort des Halbleitersensors für diesen auswertbar modulieren, wodurch ein sehr robuster Aufbau des Positionsmesssensors gegeben ist.Advantageously, the incremental sensor is a magnetic field sensitive semiconductor sensor such as a Magnetoresistive sensor or a Hall sensor, which lugs or recesses on Setting piston are assigned as sensor marks that a permanent magnetic field, which is further advantageously produced by a permanent magnet, at the place of Semiconductor sensor for this evaluable modulate, creating a very robust design of the Position measuring sensor is given.

Vorteilhaft sind die Sensormarken als schmale Reststege zwischen je zwei eng benachbarten, umlaufenden Rundnuten ausgebildet, wodurch einerseits eine durch die starke Krümmung der Oberfläche an den Reststegen bestimmte Änderung der magnetischen Feldstärke als Messgrösse hinreichend gross und andererseits die Kerbwirkungszahl der Rundnuten für den Restquerschnitt des mechanisch stark wechselbeanspruchten Setzkolbens möglichst gering ist.Advantageously, the sensor marks as narrow residual webs between two closely formed adjacent circumferential grooves, whereby on the one hand by the strong curvature of the surface at the residual webs certain change in the magnetic Field strength as a measure sufficiently large and on the other hand, the notch number of the Round grooves for the remaining cross-section of the mechanically heavily loaded Setting piston is as low as possible.

Vorteilhaft besteht der inkrementelle Sensor aus zumindest zwei Teilsensoren, welche zur Messung eines differentiellen Messwertergebnisses gegenphasig miteinander verbunden sind, wodurch absolute Messwertschwankungen, wie sie insbesondere durch das bis zu 0.6 mm betragende radiale Führungsspiel des Setzbolzens im Führungslauf des Bolzensetzgerätes auftreten können, messtechnisch eliminiert werden.Advantageously, the incremental sensor consists of at least two partial sensors, which for Measurement of a differential measurement result connected in opposite phase which causes absolute variations in the measured value, in particular by up to 0.6 mm amount of radial guide play of the setting bolt in the guide run of the Bolzensetzgerätes occur can be metrologically eliminated.

Vorteilhaft sind zwei Teilsensoren um eine viertel Periode der Sensormarken axial versetzt angeordnet, wodurch über den Zeitrang einer in beiden Teilsensoren registrierten Messwertänderung mittels einer Quadraturdetektion die axiale Bewegungsrichtung des Setzbolzens bestimmbar ist, wodurch insbesondere der untere Bewegungstotpunkt über die Richtungsumkehr zuverlässig detektierbar ist. Advantageously, two partial sensors are offset axially by a quarter period of the sensor marks arranged, whereby over the time rank of a registered in both part sensors Measurement value change by means of a quadrature detection, the axial direction of movement of the Setting pin is determinable, whereby in particular the lower Bewegungsstotpunkt on the Direction reversal is reliably detectable.

Vorteilhaft ist dem Positionsmesssensor ein Zeitgeber zugeordnet, wodurch der untere Bewegungstotpunkt über das Zeitmaximum zuverlässig detektierbar und zusätzlich in Verbindung mit der Periodenlänge der Sensormarken die Geschwindigkeit des Setzbolzens, welche mit der Setzenergie korreliert ist, berechenbar sowie eine Berechnung der Härte des Untergrunds nach dem Windsor-Verfahren ermöglicht wird, welche vom Bolzensetzgerät anzeigbar ist.Advantageously, the position measuring sensor is assigned a timer, whereby the lower Bewegungsstotpunkt over the maximum time reliably detectable and additionally in Connection with the period length of the sensor marks the speed of the setting bolt, which is correlated with the set energy, calculable and a calculation of the hardness of the Underground after the Windsor process is made possible, which by the bolt gun can be displayed.

Die Erfindung wird bezüglich eines vorteilhaften Ausführungsbeispiels näher erläutert mit:

  • Fig. 1 als pulverkraftgetriebenes Bolzensetzgerät
  • Fig. 2 als Einzelheit mit Positionsmesssensor
  • The invention will be explained in more detail with respect to an advantageous embodiment with:
  • Fig. 1 as a powder-powered bolt gun
  • Fig. 2 as a detail with position measuring sensor
  • Nach der Fig. 1 weist ein schematisch dargestelltes pulverkraftgetriebenes Bolzensetzgerät 1 einen, von einem expandierenden Treibgas einer Pulverkartusche in einer Brennkammer 2 angetriebenen, in einem Führungslauf 3 begrenzt axial beweglich geführten Setzkolben 4 zum Eintreiben eines in axialer Richtung zugeordneten Nagelbolzens 5 in einen Untergrund 6 bis zu einem unteren Bewegungstotpunkt uTP bzw. einer zugeordneten Setztiefe T einen stark dargestellten elektromechanischen Regelkreis I auf. Eine Regelungselektronik 7 in Form eines Mikrocontrollers mit integriertem Zähler n und Zeitgeber t ist mit einem dreheinstellbaren Sollwertgeber 8 für die Setztiefe T, einem im Führungslauf 3 angeordneten Positionsmesssensor 9, einem Steuermittel 10 in Form einer als elektrisch steuerbarer, mechanischer Aktuator ausgebildeten elektromechanisch versetzbaren Auslassventilhülse sowie einem Betätigungsschalter 11 steuerbar verbunden. Die Regelungselektronik 7 steuert ein mit diesem verbundenes numerisches Display zur Anzeige der Setztiefe T bzw. der Härte des Untergrundes 6 an.1 shows a schematically illustrated powder-powered bolt gun 1, from an expanding propellant gas of a powder cartridge in a combustion chamber 2 driven, limited in a guide 3 limited axially movable setting piston. 4 for driving a nail pin 5 assigned in the axial direction into a substrate 6 to a lower Bewegungsstotpunkt uTP or an associated setting depth T a strongly illustrated electromechanical control loop I on. A control electronics 7 in Form of a microcontroller with integrated counter n and timer t is with a adjustable rotary setpoint generator 8 for the setting depth T, one arranged in the guide run 3 Position measuring sensor 9, a control means 10 in the form of an electrically controllable, mechanical actuator trained electromechanically displaceable Auslassventilhülse and an actuating switch 11 controllably connected. The control electronics 7 controls a connected to this numeric display for displaying the setting depth T or the hardness of the subsoil 6.

    Nach Fig. 2 ist der Positionsmesssensor 9 als ein inkrementeller Hallsensor ausgebildet, dem viele, auf dem ferromagnetischen Setzkolben 4 axial mit der Periodenlänge P von 3 mm äquidistant beabstandete, rotationssymmetrische Sensormarken 12 in Form von schmalen Reststegen zwischen je zwei eng benachbarten, umlaufenden Rundnuten von jeweils 0.5 mm Tiefe und 2.5 mm Breite ausgebildet, welche ein permanentes Magnetfeld H, das durch einen zum Hallsensor benachbarten, torusförmigen Permanentmagneten 13, 13a erzeugt wird, am Ort des Hallsensors für diesen auswertbar modulieren. Der Positionsmesssensor 9 besteht aus zwei radial diametral zum Setzkolben 4 angeordneten Teilsensoren 14a, 14b, welche um eine viertel Periode P der Sensormarken 12 axial versetzt angeordnet sind.2, the position measuring sensor 9 is designed as an incremental Hall sensor, the many, on the ferromagnetic setting piston 4 axially with the period length P of 3 mm equidistant spaced, rotationally symmetric sensor marks 12 in the form of narrow Remaining webs between each two closely spaced, circumferential grooves of 0.5 each mm depth and 2.5 mm width, which forms a permanent magnetic field H through generates a torus-shaped permanent magnet 13, 13a adjacent to the Hall sensor will modulate at the location of the Hall sensor for this evaluable. The position measuring sensor 9 consists of two radially arranged diametrically to the setting piston 4 part sensors 14a, 14b, which are arranged axially offset by a quarter period P of the sensor marks 12.

    Claims (10)

    Bolzensetzgerät mit einem, von einem expandierenden Treibgas in einer Brennkammer (2) angetriebenen, Setzkolben (4) zum Eintreiben eines Nagelbolzens (5) in einem einmaligen Eintreibvorgang in einen Untergrund (6) und mit einer Setztiefenregelung, dadurch gekennzeichnet, dass ein Regelkreis (I) mit einer Regelungselektronik (7), einem Sollwertgeber (8) für eine Setztiefe (T), einem Positionsmesssensor (9) zur Bestimmung der Position des unteren Bewegungstotpunktes (uTP) des Setzkolbens (4) und einem Steuermittel (10) zur selbstständigen Einstellung der Bewegungsenergie des Setzkolbens (4) für den nächsten Eintreibvorgang vorhanden ist.Bolt setting device with a, of an expanding propellant gas in a combustion chamber (2) driven, setting piston (4) for driving a nail pin (5) in a single driving operation in a substrate (6) and with a settlement depth control, characterized in that a control loop (I ) with a control electronics (7), a setpoint generator (8) for a setting depth (T), a position measuring sensor (9) for determining the position of the lower Bewegungsstotpunktes (uTP) of the setting piston (4) and a control means (10) for autonomous adjustment of Motion energy of the setting piston (4) for the next driving operation is present. Bolzensetzgerät nach Anspruch 1, dadurch gekennzeichnet, dass das Steuermittel (10) als ein elektrisch steuerbarer, mechanischer Aktuator ausgebildet ist, welcher optional zur Änderung der Treibstoffmenge, des Mischungsverhältnisses, des Brennkammervolumens, der Ablassvorrichtungen für das Treibgas oder der Position der Dämpferelemente ausgebildet ist.Bolt setting tool according to claim 1, characterized in that the control means (10) is designed as an electrically controllable, mechanical actuator, which is optionally designed to change the fuel quantity, the mixing ratio, the combustion chamber volume, the discharge devices for the propellant gas or the position of the damper elements. Bolzensetzgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Positionsmesssensor (9) mit mehreren, auf dem Setzkolben (4) axial äquidistant beabstandeten und optional rotationssymmetrischen, Sensormarken (12) als inkrementeller Sensor ausgebildet ist, welcher mit einer, optional in die Regelungselektronik (7) integrierten, Zähleinrichtung (n) verbunden ist.Bolt setting tool according to claim 1 or 2, characterized in that the position measuring sensor (9) with a plurality, on the setting piston (4) axially equidistantly spaced and optionally rotationally symmetric sensor marks (12) is designed as an incremental sensor, which with one, optionally in the control electronics (7) integrated, counter (s) is connected. Bolzensetzgerät nach Anspruch 3, dadurch gekennzeichnet, dass der inkrementelle Sensor ein magnetfeldsensitiver Halbleitersensor ist, welchem Nasen oder Aussparungen am Setzkolben (4) als Sensormarken (12) zugeordnet sind, die ein permanentes Magnetfeld (H) am Ort des Halbleitersensors für diesen auswertbar modulieren.Stud gun according to claim 3, characterized in that the incremental sensor is a magnetic-field-sensitive semiconductor sensor, which lugs or recesses associated with the setting piston (4) as the sensor marks (12) modulating a permanent magnetic field (H) at the location of the semiconductor sensor for this evaluable. Bolzensetzgerät nach Anspruch 4, dadurch gekennzeichnet, dass die Sensormarken (12) als schmale Reststege zwischen je zwei eng benachbarten, umlaufenden Rundnuten ausgebildet sind.Bolt setting tool according to claim 4, characterized in that the sensor marks (12) are formed as narrow residual webs between each two closely adjacent circumferential grooves. Bolzensetzgerät nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass der inkrementelle Sensor aus zumindest zwei Teilsensoren (14a, 14b) besteht, welche zur Messung eines differentiellen Messwertergebnisses gegenphasig miteinander verbunden sind. Bolt setting tool according to one of claims 3 to 5, characterized in that the incremental sensor consists of at least two partial sensors (14a, 14b), which are connected to each other in an opposite phase for measuring a differential measurement result. Bolzensetzgerät nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass zwei Teilsensoren (14a, 14b) um eine viertel Periode (P) der Sensormarken (12) axial versetzt angeordnet sind.Bolt setting tool according to one of claims 3 to 6, characterized in that two part sensors (14a, 14b) are arranged offset axially by a quarter period (P) of the sensor marks (12). Bolzensetzgerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass dem Positionsmesssensor (9) ein Zeitgeber (t) zugeordnet ist.Bolt setting tool according to one of the preceding claims, characterized in that the position measuring sensor (9) is associated with a timer (t). Verfahren zum Regeln der Setztiefe (T) eines von einem Bolzensetzgerät (1) in genau einem Eintreibvorgang gesetzten Nagelbolzens (5), dadurch gekennzeichnet, dass in einem ersten Schritt durch Betätigung des Betätigungsschalters (11) der Eintreibvorgang ausgelöst wird; in einem zweiten Schritt vom Positionsmesssensor (9) die Position des Setzkolbens (4) während des Eintreibvorgangs mehrfach gemessen und daraus von der Regelungselektronik (7) die Position des unteren Bewegungstotpunktes (uTP) ermittelt wird, welche mit der Setztiefe (T) des Nagelbolzens (5) korreliert ist; in einem dritten Schritt von der Regelungselektronik (7) aus der Position des unteren Bewegungstotpunktes (uTP) und des Sollwertes der Setztiefe (T) für den nächsten Setzvorgang eine Stellgrösse für das Steuermittel (10) für die Änderung der Bewegungsenergie des Setzkolbens (4) ermittelt und temporär als Einstellung für den nächsten Setzvorgang zwischengespeichert wird; in einem vierten Schritt die Einstellung für den nächsten Setzvorgang vorgenommen wird und in den folgenden Schritten sich die Schritte eins bis vier periodisch wiederholen.Method for regulating the setting depth (T) of a nail bolt (5) set by a bolt setting tool (1) in exactly one driving operation, characterized in that in a first step the driving operation is triggered by actuation of the actuating switch (11); in a second step by the position measuring sensor (9) the position of the setting piston (4) during the driving operation repeatedly measured and from the control electronics (7) the position of the lower Bewegungsstotpunktes (uTP) is determined, which with the setting depth (T) of the nail bolt ( 5) is correlated; in a third step of the control electronics (7) from the position of the lower Bewegungsstotpunktes (uTP) and the set value of the setting depth (T) for the next setting a manipulated variable for the control means (10) for the change of the kinetic energy of the setting piston (4) determined and temporarily cached as a setting for the next setting process; in a fourth step, the setting for the next setting process is made and in the following steps, the steps one to four repeat periodically. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass im dritten Schritt zusätzlich die Setztiefe (T) und optional eine berechnete Härte des Untergrundes (6) in einem Display numerisch angezeigt wird.A method according to claim 9, characterized in that in the third step additionally the setting depth (T) and optionally a calculated hardness of the substrate (6) is displayed numerically in a display.
    EP01810717A 2001-07-19 2001-07-19 Bolt driving tool with setting depth control Expired - Lifetime EP1277548B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    EP01810717A EP1277548B1 (en) 2001-07-19 2001-07-19 Bolt driving tool with setting depth control

    Applications Claiming Priority (5)

    Application Number Priority Date Filing Date Title
    EP01810717A EP1277548B1 (en) 2001-07-19 2001-07-19 Bolt driving tool with setting depth control
    DE50109817T DE50109817D1 (en) 2001-07-19 2001-07-19 Bolt setting tool with setting depth control
    AU52745/02A AU784939B2 (en) 2001-07-19 2002-07-01 Setting tool with a setting depth control
    US10/197,174 US6679410B2 (en) 2001-07-19 2002-07-16 Setting tool with a setting depth control
    CNB02126189XA CN1289264C (en) 2001-07-19 2002-07-18 Pin mounting device with mounting depth regulator

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    AU5274502A (en) 2003-01-23
    EP1277548B1 (en) 2006-05-17
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    CN1289264C (en) 2006-12-13
    US20030015088A1 (en) 2003-01-23
    DE50109817D1 (en) 2006-06-22
    US6679410B2 (en) 2004-01-20

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