WO2008080713A1 - Dispositif de mesure de distance - Google Patents

Dispositif de mesure de distance Download PDF

Info

Publication number
WO2008080713A1
WO2008080713A1 PCT/EP2007/063036 EP2007063036W WO2008080713A1 WO 2008080713 A1 WO2008080713 A1 WO 2008080713A1 EP 2007063036 W EP2007063036 W EP 2007063036W WO 2008080713 A1 WO2008080713 A1 WO 2008080713A1
Authority
WO
WIPO (PCT)
Prior art keywords
distance measuring
measuring device
unit
distance
tool
Prior art date
Application number
PCT/EP2007/063036
Other languages
German (de)
English (en)
Inventor
Steffen Tiede
Original Assignee
Robert Bosch 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
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2008080713A1 publication Critical patent/WO2008080713A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B23B49/003—Stops attached to drilling tools, tool holders or drilling machines
    • B23B49/006—Attached to drilling machines
    • B23B49/008—Attached to the nose of the drilling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/003—Stops for limiting depth in rotary hand tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/128—Sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/38—Using magnetic fields

Definitions

  • the invention is based on a distance measuring device according to the preamble of claim 1.
  • a distance measuring device for a hand tool for measuring a borehole depth comprises a distance measuring unit with a stop means and a housing, wherein the stop means is arranged during a distance measurement stationary relative to the housing.
  • the invention is based on a distance measuring device for measuring a borehole depth, in particular for a hand-operated machine, which is provided for a drilling and / or beating driving of a tool, with a distance measuring device.
  • measuring unit which has at least one stop means and a housing.
  • the stop means and the housing are intended to be moved relative to one another for a distance measurement during the distance measurement.
  • a particularly convenient determination of a distance such as a borehole depth
  • different tool lengths can be taken into account particularly easily in a distance measurement and / or a depth of already drilled holes or a thickness of a workpiece can be measured particularly advantageously.
  • the stop means is in constant contact with a workpiece to be machined during the distance measurement of the distance measuring device in interaction with a machine tool, wherein the stop means is advantageously adapted to a maximum length of the tool, in particular a drilling tool.
  • the distance measuring device can be used in conjunction with all machine tools, in particular hand-held power tools, which appear appropriate to the person skilled in the art and which penetrate into a material of a workpiece. Because of the large variance in the dimensions of the tools used, use in conjunction with drills or drills and / or chisel hammers is particularly beneficial.
  • a "distance measurement” should be understood to mean a process which, together with a working process of the handheld power tool on which the distance measuring device is arranged, begins, such as, for example, placing a drilling tool on a workpiece. Surface for a drilling operation, and to reach the desired distance, such as a borehole depth persists.
  • the distance measuring device has a detection unit for detecting a parameter of the distance traveled during the distance measurement by the stop means relative to the housing, whereby a particularly simple determination of a distance on the basis of the detected characteristic of the relative movement between stop means and Housing can be achieved.
  • the detection unit comprises a sensor unit and / or an evaluation unit, which is provided in addition to a detection and an evaluation of the detected characteristic.
  • the detection unit can be formed by mechanical components, such as, for example, a mechanical step counter, electrical components and / or further components that appear appropriate to the person skilled in the art.
  • an absolute value of a distance is determined by means of the detection unit, which can be communicated to an operator.
  • the distance measuring unit has a mechanical gear unit for detecting a path-dependent parameter, whereby a structurally simple and cost-effective detection of the path-dependent parameter can be achieved.
  • the gear unit has at least one gear element which has a surface shape corresponding to a surface shape of the stop means.
  • the surface shape of the sling or The gear element may be formed by a toothing, a friction surface, such as in particular a rubber coating, and / or further surface formations which appear to be useful to a person skilled in the art.
  • the mechanical transmission unit is formed at least partially in one piece with the detection unit.
  • the distance measuring unit has a magnetic unit for detecting a path-dependent parameter.
  • the magnetic unit is formed at least partially in one piece with the detection unit.
  • a detection of the path-dependent parameter is preferably achieved via a magnetoresistive effect, so that a particularly space-saving magnetic unit with a high magnetic field sensitivity can be achieved.
  • a detection of the path-dependent characteristic which is substantially insensitive to temperature fluctuations and vibrations is possible, as may be particularly advantageous in the case of strongly oscillating hand-held power tools.
  • the stop means of the magnetic unit at least partially on a magnetizable surface layer.
  • the magnetizable surface layer can be magnetized by means of a magnetic layer, wherein the magnetic layer advantageously below the upper surface layer is disposed within the stop means.
  • the magnetizable surface layer is adhered to the stop means.
  • other cohesive, non-positive and / or positive connections between the stop means and the magnetizable surface layer are also conceivable at any time.
  • the magnetic unit has a magnetic sensor means for sensing a path-dependent parameter
  • a change in a magnetic quantity can advantageously also be detected as a function of a path, and a path change or a distance can be determined with high accuracy.
  • the magnetic sensor means can furthermore be arranged at a distance from a magnetizable surface layer. A structurally simple and rapid sensing of the path-dependent parameter can be achieved if the magnetic sensor means has a Wheatstones bridge circuit.
  • the housing has a housing portion in which the magnetic sensor means is arranged and which is intended to be applied to a workpiece, whereby the magnetic sensor means is advantageously protected against shocks and vibrations, such as when using the distance measuring device together with a hammer drill.
  • wear of the magnetic sensor means is thus advantageously reduced.
  • An at least partially automatic activation of the distance measuring device at the beginning or during a working process of a hand tool, in particular a drilling operation, can advantageously be achieved if the distance measuring unit has at least one sensor means for detecting a tool-dependent parameter.
  • the sensor means is provided for detecting the characteristic variable of different tools.
  • the sensor means is provided for a non-contact detection of the characteristic.
  • the sensor means can be formed by an optical light barrier, a reflection light scanner, a capacitive component and / or further components that appear appropriate to the person skilled in the art.
  • a spatial starting point for a distance measurement can be determined at least partially automatically at the beginning of a work process. Sensing at the beginning of the operation expediently avoids an interruption during the working process for activating the distance measurement.
  • the distance measuring unit has at least one spring element for supporting the stop means on the housing, whereby a return of the stop means after a distance measurement in an initial position for a new distance measurement can be advantageously achieved.
  • the distance measuring device at least one signal output unit, which leads to an output of a signal when it reaches a distance is provided, a determined distance of the distance measuring device can be made visible to an operator.
  • the signal output unit may have an acoustic, an optical output device and / or further output means that appears appropriate to the person skilled in the art. It is particularly advantageous if the signal output unit has an output device formed by a digital display or a display, which displays a value of the distance particularly well readable for the operator. In addition, the current value during a distance measurement can also be continuously output to the operator via the signal output unit.
  • the distance measuring device comprises at least one actuating element which is provided for an input of a distance variable.
  • the actuating element is preferably formed by a key, a rotary knob and / or further actuating elements that appear to be useful to the skilled person.
  • the actuating element can be formed in one piece with an optical signal output means, such as in particular in a touchscreen display, and thus further components, installation space, assembly costs and costs can advantageously be saved.
  • the distance measuring device comprises at least one receiving unit for receiving at least one energy storage means, whereby a flexible area of application of the distance measuring device can be achieved, in particular regardless of an external power supply, such as a power supply via a power outlet or a hand tool, is.
  • An "energy storage means” is to be understood as a means for storing, in particular, electrical energy, such as accumulators.
  • the distance measuring device has at least one coupling unit for coupling to a handheld power tool, a high level of flexibility for an operator can advantageously be achieved by using the distance measuring device together with different handheld power tools.
  • the distance measuring device is part of an auxiliary handle device for a hand tool, so that a structurally simple assembly or disassembly of the distance measuring device can be achieved at a provided for mounting the auxiliary handle device clamping neck of the power tool.
  • a particularly short distance of the distance measuring device can be achieved to a workpiece surface.
  • FIG. 1 shows a handheld power tool with a distance measuring device according to the invention integrated in an auxiliary handle of the handheld power tool in a schematic side view (FIG. 1 a), a schematic view from above (FIG. 1 b) and in a front view (FIG. 1 c), FIG.
  • FIG. 2 shows the hand tool with an alternative distance measuring device with a magnetic unit in a schematic side view
  • FIG. 3 shows the handheld power tool with a distance measuring device that is alternative to FIG. 2 in a schematic side view (FIG. 3 a), a schematic view from above (FIG. 3 b) and in a front view (FIG. 3 c), FIG.
  • FIG. 5 is an illustration of different distances of a drilling tool to a workpiece surface during a drilling operation for determining a borehole depth. Description of the embodiments
  • FIG. 1 a shows a handheld power tool 12 a formed by a drilling machine.
  • the hand tool 12a comprises a main handle 62a, which is provided for a power transmission from an operator to the hand tool 12a.
  • an actuating element 64a is arranged, via which the power tool 12a or a not explicitly shown drive unit of the power tool 12a is switched on or off.
  • the latter On a side of the hand-held power tool 12a facing away from the main handle 62a, the latter has a clamping neck 68a and a tool holder 70a for receiving a tool 14a.
  • the clamping collar 68a is provided for attachment of an auxiliary handle device 60a together with a distance measuring device 10a integrated in the auxiliary handle device 60a.
  • the distance measuring device 10a is provided for determining a borehole depth.
  • the auxiliary handle device 60a For attachment to the clamping neck 68a of the power tool 12a, the auxiliary handle device 60a has a coupling unit 58a together with the distance measuring device 10a.
  • the coupling unit 58a comprises a receiving means 72a (FIG. 1c, a front view of the hand tool 12a together with the distance measuring device 10a) for receiving the clamping neck 68a, which can be fastened by a user to a rotatable clamping screw 74a on the clamping neck 68a.
  • the auxiliary handle device 60a is removable from the hand tool 12a.
  • a distance measuring unit 16a of the abutment Stand measuring device 10a arranged ( Figure Ia).
  • a housing 20a of the auxiliary handle device 60a is cross-shaped, with a partial section 78a of the housing 20a extending perpendicularly along a tool axis 84a of the portable power tool 12a to a main direction of extent 82a of the auxiliary handle 76a.
  • the partial section 78a has a receiving region 88a along a measuring axis 66a with an opening arranged on a side 86a of the housing 20a facing a workpiece 42a, in which a stop means 18a of the distance measuring unit 16a is located.
  • the measuring axis 66a extends parallel to the tool axis 84a.
  • the stop means 18a is movably arranged along the measuring axis 66a within the receiving area 88a and is supported by a spring element 48a on a side 90a of the housing 20a facing away from the workpiece 42a or the stop means 18a becomes in an axial direction 80a parallel to the measuring axis 66a runs, biased ( Figure Ia).
  • the stop means 18a is secured by means not shown securing elements in an end position in the axial direction 80a against a spring force of the spring element 48a.
  • a mechanical gear unit 26a is arranged in the region of the stop means 18a.
  • This comprises a gear element 28a formed by a gear.
  • the toothed wheel has a surface formation 32a formed by a toothing, which has a surface formation 30a of the stop means 18a formed by a toothing while an axial movement of the stop means 18a meshes.
  • the toothing of the stop means 18a extends to a portion 102a along a main extension direction of the stop means 18a.
  • the surface formations 30a, 32a of the gear element 28a and of the stop means 18a can also be formed by a friction surface and / or further surface formations 30a, 32a which appear useful to the person skilled in the art for transmitting a movement (FIG. 1a).
  • the distance measuring device 10a comprises a mechanical detection unit 22a, which comprises a mechanical step counter 96a and the gear element 28a formed by the gear.
  • the path-dependent parameter of a relative movement between the stop means 18a and the housing 20a is determined.
  • the path-dependent parameter is converted by the mechanical step counter 96a of the detection unit 22a for an operator into a numerical value with a unit in mm and by means of a mechanical digital output element 98a a signal output unit 50a, which couples to the detection unit 22a via a connection, not shown, to the Operator output ( Figure Ib).
  • the distance measuring device 10a in the area of the signal output unit 50a has an actuating element 52a formed by a pushbutton, by means of which an operator can reset a display of the mechanical digital output element 98a to a value of zero by pressing the pushbutton.
  • the signal output unit 50a and the actuating element 52a are arranged on a side 92a of the auxiliary handle device 60a facing away from the auxiliary handle 76a, as is from Figure Ib, a view of the power tool 12a with the distance measuring device 10a from above, can be seen.
  • the tool 14a of the hand tool 12a is applied, together with the stop means 18a of the distance measuring device 10a, to a surface of the workpiece 42a to be machined.
  • the stop means 18a which was located in the axial direction 80a before application of the hand tool 12a, is pressed against the spring force of the spring element 48a during application of the hand tool 12a to the surface until a tool tip 100a facing away from the tool holder 70a of the tool 14a abuts the surface of the workpiece 42a.
  • the mechanical digital output element 98a is reset to the value zero.
  • the abutment means 18a is simultaneously moved relative to the housing 20a against the axial direction 80a, and by means of the teeth of the abutment means becomes the gear for detection
  • the path-dependent characteristic rotated.
  • the mechanical step counter 96a and the mechanical digital output element 98a the instantaneous borehole depth is always displayed for an operator.
  • a depth of existing boreholes or a depth of the workpiece 14a can be measured by means of the distance measuring device 10a together with the hand tool 12a.
  • the tool tip 100a of the tool 14a is applied to the surface of the workpiece 42a together with the stopper 18a, and an operator depresses the actuator 52a. If the tool 14a is then brought into the borehole when the handheld power tool 12a is switched off, the borehole depth is simultaneously determined by means of the distance measuring device 10a.
  • FIG. 2 shows a further embodiment of a distance measuring device 10b according to the invention.
  • a distance measuring unit 16b of the distance measuring device 10b here comprises a magnetic unit 34b for detecting a path-dependent characteristic.
  • the magnetic unit 34b has a magnetic sensor means 38b and a stop means 18b with a magnetic surface layer 36b.
  • the magnetic surface layer 36b extends along an a portion 102b of the stop means 18b, which moves along the magnetic sensor means 38b along a measuring axis 66b, wherein the magnetic surface layer 36b is adhered to a magnetic sensor means 38b facing side of the stop means 18b.
  • the magnetic surface layer 36b comprises three different ribbon-like layers, wherein a layer facing the magnetic sensor means 38b is formed by a magnetizable steel strip.
  • the magnetizable steel belt is followed by a magnetic plastic belt arranged underneath, with a magnetized steel strip arranged underneath.
  • the magnetized steel strip has a magnetic structure dependent on a path along the measuring axis 66a.
  • the magnetic sensor means 38b determines a path-dependent characteristic from the changing magnetic field during movement of the knock-over means 18b along the measuring axis 66b, the magnetic sensor means 38b being disposed at a distance of about 1 mm from the surface magnetic layer 36b.
  • a measurement of the magnetic sensor means 38b takes place by means of a magnetoresistive effect, wherein a magnetic field change is determined by means of a resistance change by means of a Wheatstone bridge circuit within the magnetic sensor means 38b.
  • An electronic detection unit 22b of the distance measuring device 10b has, in addition to the magnetic unit 34b, an electronic circuit board 104b which comprises a processor with an electronic step counter and a memory unit. By means of the electronic step counter, a distance or a drilling depth is determined on the basis of the path-dependent parameter.
  • the electronic board 104b is together with an electrical energy storage means 56b disposed within a receiving unit 54b of the distance measuring device 10b.
  • the receiving unit 54b is disposed within an auxiliary handle 76b. Via an internal electrical connection 106b, the energy storage means 56b is connected to the electronic board 104b, the magnetic unit 34b, a signal output unit 50b and an actuating element 52b.
  • a distance measuring device 10c in FIGS. 3a to 3c differs from the exemplary embodiment in FIG. 2 in that a magnetic unit 34c, together with an electronic board 104c and an energy storage device 56c, is arranged in a housing section 40c of a housing 20c which is in abutment is provided on a workpiece 42c.
  • the housing portion 40c is movable to a distance measurement with respect to another, integrally formed with an additional handle 76c housing portion 128c of the housing 20c and a stop means 18c arranged.
  • the housing section 40c is movably mounted within a receiving region 88c of the housing section 128c along a measuring axis 66c.
  • the stop means 18c of the magnetic unit 34c is arranged on a side of the receiving area 88c facing away from the workpiece 42c.
  • a spring member 48c of a distance measuring unit 16c supports the abutment means 18c on the housing portion 40c where the distance measuring apparatus 10c for abutting against the workpiece 42c is provided.
  • a damping of the magnetic unit 34c of vibrations the during operation of a hand tool 12c are achieved.
  • a signal output unit 50c is also arranged in the housing section 40c (FIG. 3b).
  • the signal output unit 50c comprises an optical output element 98c and two actuators 52c, 116c, via which, apart from resetting an indicated distance, a desired distance or depth is also input by an operator of the portable power tool 12c and the distance measuring device 10c is switched on or off can.
  • the housing section 40c extends perpendicular to the measuring axis 66c in the direction of a tool 14c and thus has an enlarged, contiguous contact surface 130c (FIG. 3c, a front view of the handheld power tool 12c together with the distance measuring device 10c).
  • the housing portion 40c in a portion 110c of the tool 14c has a circular recess 112c, which is provided for performing the tool 14 during operation of the power tool 12c.
  • the recess 112c or a diameter of the recess 112c is adapted to the maximum diameter of the tools 14c.
  • the region 110c with the circular recess 112c can also be connected to a device for coupling to a device
  • FIGS. 4 and 5 show an alternative embodiment of a distance measuring device 10d to FIGS. 3a to 3c.
  • the distance measuring device 10d has a further sensor means 44d, which is provided for a non-contact detection of a tool-dependent characteristic.
  • the further, formed by a reflection light sensor sensor means 44d is for this purpose to a recess 112d, which is provided for receiving a tool 14d, disposed adjacent within a housing portion 4Od.
  • the sensor means 44d is connected to a processor of an electronic board 104d by means of an internal data line 118d (FIG. 5).
  • the distance measuring device 10d is actuated by an operator by means of an actuating element (analogous to the FIGS
  • Embodiments 1 to 3) activated. If the tool 14d is then moved toward a surface of a workpiece 42d by an operator, a characteristic of an end of the tool 14d facing the workpiece 42d and formed by a tool tip 10Od is scanned by the sensor means 44d as soon as the tool tip 10Od of the tool Tool 14d on a perpendicular to a tool axis 84d extending axis 12Od with the sensor means 44d.
  • the sensor means 44d triggers a switching pulse which activates a detection unit 22d, so that a characteristic dependent on a relative movement of a stop means 18d relative to the housing portion 40c is sensed by means of a magnetic sensor means 38d and a drilling operation for activating the magnetic unit 34d continues without interruption can be. Due to a fixed distance 122d of the sensor means 44d to the workpiece 42d, further movement of the tool 14d in an axial direction 8Od and associated movement of the surface magnetic layer 36d in the axial direction 8Od will detect a path dependent characteristic by means of the magnetic sensor means 38d.
  • a borehole depth 124d is determined from a difference between the total measured distance 126d from a time of a sensing of the tool tip 10Od and the fixed distance 122d of the sensor means 44d with respect to the surface of the workpiece 42d (FIG. 5).
  • a value of the hole depth 124d is output to an operator of the distance measuring device 10d by means of a signal output unit 50d.
  • a signal is additionally output via the signal output unit 50d after sensing the tool tip 10Od by means of the sensor means 44d. If the operator additionally enters a maximum borehole depth 124d to be drilled before the commencement of the drilling process, an optical and / or acoustic signal is output to the operator when the borehole depth 124d is reached during the drilling process.
  • the optical signal is detected by means of the optical Output element 98d and / or other output elements, such as a light emitting diode, the acoustic signal via not shown in detail acoustic output elements.

Abstract

L'invention concerne un dispositif de mesure de distance qui mesure la profondeur d'un trou foré, en particulier pour un outil manuel motorisé (12) prévu pour entraîner en forage et/ou percussion un outil (14), et qui présente une unité (16) de mesure de distance qui présente au moins un moyen de butée (18) et un boîtier (20). L'invention propose que le moyen de butée (18) et le boîtier (20) puissent être déplacés l'un par rapport à l'autre pour effectuer une mesure de distance pendant la mesure de la distance.
PCT/EP2007/063036 2006-12-28 2007-11-30 Dispositif de mesure de distance WO2008080713A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006061726.6 2006-12-28
DE200610061726 DE102006061726A1 (de) 2006-12-28 2006-12-28 Abstandsmessvorrichtung

Publications (1)

Publication Number Publication Date
WO2008080713A1 true WO2008080713A1 (fr) 2008-07-10

Family

ID=39052716

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/063036 WO2008080713A1 (fr) 2006-12-28 2007-11-30 Dispositif de mesure de distance

Country Status (2)

Country Link
DE (1) DE102006061726A1 (fr)
WO (1) WO2008080713A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107036546A (zh) * 2017-05-12 2017-08-11 北京中矿华沃科技股份有限公司 一种基于无人机技术的露天矿钻孔深度测定装置及方法
US10024646B2 (en) 2014-12-19 2018-07-17 Airbus Operations Limited Method and apparatus for determining a hole depth

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101992317A (zh) * 2009-08-17 2011-03-30 徐秉朗 手持钻具钻孔深度控制杆
DE102011111671B4 (de) * 2011-08-26 2013-08-22 Roland-Klinik gGmbH Bohrmaschine, insbesondere medizinische Bohrmaschine, und Bohrverfahren
DE102013105841A1 (de) * 2013-06-06 2014-12-11 Aesculap Ag Chirurgisches instrument
CN106583792B (zh) * 2017-01-30 2018-03-23 陈烁 手电钻的拉杆深度尺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555956A1 (de) * 1975-12-12 1977-06-23 Guenter Trautmann Einstellbarer bohrtiefenanschlag fuer handbohrmaschinen mit masskala und bohrwinkeleinrichtung
DE2705410A1 (de) * 1977-02-09 1978-08-10 Bosch Gmbh Robert Vorrichtung zum auffangen von bohrklein
NL8202317A (nl) * 1982-06-08 1984-01-02 Skil Nederland Nv Inrichting voor het onder een hoek houden van handgereedschap.
DE19751209A1 (de) * 1997-11-19 1998-05-14 Walter A Dipl Ing Maier Automatische Bohrtiefen-Messung mit direkten Anzeigen
EP1163982A2 (fr) * 2000-06-14 2001-12-19 HILTI Aktiengesellschaft Butée de profondeur pour outil à main motorisé
EP1637291A1 (fr) * 2004-09-15 2006-03-22 Carlo Scotti Base réglable et coulissante pour perceuse ou machines-outils

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555956A1 (de) * 1975-12-12 1977-06-23 Guenter Trautmann Einstellbarer bohrtiefenanschlag fuer handbohrmaschinen mit masskala und bohrwinkeleinrichtung
DE2705410A1 (de) * 1977-02-09 1978-08-10 Bosch Gmbh Robert Vorrichtung zum auffangen von bohrklein
NL8202317A (nl) * 1982-06-08 1984-01-02 Skil Nederland Nv Inrichting voor het onder een hoek houden van handgereedschap.
DE19751209A1 (de) * 1997-11-19 1998-05-14 Walter A Dipl Ing Maier Automatische Bohrtiefen-Messung mit direkten Anzeigen
EP1163982A2 (fr) * 2000-06-14 2001-12-19 HILTI Aktiengesellschaft Butée de profondeur pour outil à main motorisé
EP1637291A1 (fr) * 2004-09-15 2006-03-22 Carlo Scotti Base réglable et coulissante pour perceuse ou machines-outils

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10024646B2 (en) 2014-12-19 2018-07-17 Airbus Operations Limited Method and apparatus for determining a hole depth
CN107036546A (zh) * 2017-05-12 2017-08-11 北京中矿华沃科技股份有限公司 一种基于无人机技术的露天矿钻孔深度测定装置及方法
CN107036546B (zh) * 2017-05-12 2023-10-03 北京中矿华沃科技股份有限公司 一种基于无人机技术的露天矿钻孔深度测定装置及方法

Also Published As

Publication number Publication date
DE102006061726A1 (de) 2008-07-03

Similar Documents

Publication Publication Date Title
WO2008080713A1 (fr) Dispositif de mesure de distance
EP1945410B1 (fr) Machine-outil
US7182148B1 (en) Tool with motion and orientation indicators
EP1440771B1 (fr) Dispositif de commande d'un outil portatif motorisé
US20050261870A1 (en) Penetration-depth-determining device
US5382120A (en) Drill bit depth minder
EP1752243B1 (fr) Machine-outil avec mesure de profondeur de pénétration des outils
EP2059370B1 (fr) Dispositif de manipulation supplémentaire
EP3027366B1 (fr) Dispositif d'alimentation en énergie d'une machine-outil portative
US20040215395A1 (en) Device for automatic measurement of drilling depth on hand power tools, as well as hand power tool for drilling, and method of drilling with drilling depth measurements
DE3324615A1 (de) Vorrichtung zum auffangen von bohrklein
DE10117952A1 (de) Handwerkzeuggerät mit elektronischem Tiefenanschlag
DE102011003828A1 (de) Handwerkzeugmaschine
DE102008055057A1 (de) Werkzeugmaschine, insbesondere handgehaltene Werkzeugmaschine
DE102019124134A1 (de) Arbeitswerkzeug
CN100999026B (zh) 钻类工具的深度限制器
DE202004018003U1 (de) Positioniergerät
EP1464428B1 (fr) Détection de la profondeur d'un trou par faisceau lumineux
DE19751209C2 (de) Vorrichtung für Handwerkzeugmaschinen, insbesondere für Handbohrmaschinen, Innenschleifer o. dgl. zur Messung und Anzeige der Bohrtiefe
EP1271094A1 (fr) Appareil de mesure de la profondeur d'un trou pour une perceuse
DE10326066A1 (de) Werkzeug mit Spannungserkennung
EP3833510B1 (fr) Machine-outil portative et procédé de fonctionnement d'une machine-outil portative
AU2020371558B2 (en) Underground development drill return system
DE102012218279A1 (de) Handwerkzeugmaschine
DE102012218277A1 (de) Handwerkzeugmaschine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07847552

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 07847552

Country of ref document: EP

Kind code of ref document: A1