EP0175643B1 - Stativbohrvorrichtung mit Führungssäule - Google Patents

Stativbohrvorrichtung mit Führungssäule Download PDF

Info

Publication number
EP0175643B1
EP0175643B1 EP85810397A EP85810397A EP0175643B1 EP 0175643 B1 EP0175643 B1 EP 0175643B1 EP 85810397 A EP85810397 A EP 85810397A EP 85810397 A EP85810397 A EP 85810397A EP 0175643 B1 EP0175643 B1 EP 0175643B1
Authority
EP
European Patent Office
Prior art keywords
drilling device
guide column
supports
drilling
guide
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.)
Expired
Application number
EP85810397A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0175643A1 (de
Inventor
Wolfgang Erdt
Rudolf Reitberger
Erwin Stocker
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to AT85810397T priority Critical patent/ATE39635T1/de
Publication of EP0175643A1 publication Critical patent/EP0175643A1/de
Application granted granted Critical
Publication of EP0175643B1 publication Critical patent/EP0175643B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0057—Devices for securing hand tools to the work
    • B25H1/0064—Stands attached to the workpiece
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S408/00—Cutting by use of rotating axially moving tool
    • Y10S408/712—Drill press adapted to use portable hand drill
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/91—Machine frame
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/309576—Machine frame

Definitions

  • the invention relates to a tripod drilling device with a base plate, a guide column connected to the base plate and consisting of two supports arranged at a lateral distance from one another and having the same cross section, and a drilling device which can be displaced along the guide column, the guide column and the drilling device having mutually corresponding guide means.
  • drilling devices of the type mentioned above have also been used as mobile devices in the construction industry for some time.
  • a mobile device US Pat. No. 3,890,058
  • US Pat. No. 3,890,058 has a base plate and two supports connected to it, between which a hand drill guided on the supports can be displaced against the force of return springs.
  • the device is used in particular to drill holes at a certain angle to the surface of the subsurface and from a certain depth.
  • the performance of the drilling device used and thus the reaction forces and moments that occur are relatively small. Therefore, the demands made on the guide column formed by the supports are rather low in terms of bending and torsional rigidity.
  • drill bits are mainly used together with diamond-tipped drill bits. Such drill bits can be used to produce breakthroughs of larger diameter even in structures provided with iron reinforcements, provided the drill has a correspondingly high output.
  • a major problem with these drilling devices is the guidance of the drilling device. Due to the outreach of the drilling device required for the largest borehole diameter and the forces to be exerted with the larger tools, large bending and torsional loads can occur on the guide column.
  • the drilling devices must be mobile and, if possible, one or at most two people must be able to handle them.
  • the guide column can therefore not be reinforced arbitrarily due to the increasing total weight of the drilling device.
  • the guide column has a U-shaped or C-shaped cross section.
  • the drill is mounted on guides inside the guide column.
  • the processing of the guides by their arrangement inside such a guide column is very complex and can usually only be done with special tools. Since, due to the cross-sectional design, only the part of the drilling device provided with the bearing for the drilling spindle can protrude beyond the guide column, the feed device for the drilling device must also be arranged inside the guide column. This means that a complex construction with gear, threaded spindle and threaded nut is required.
  • the invention has for its object to provide a tripod drilling device, the guide column has a high bending and torsional rigidity and allows easy feeding of the drill.
  • the object is achieved in that the beams are essentially L-shaped in cross section and carry gripping means designed as a rack for a feed device arranged on the drilling device and guiding means designed as dovetail-shaped strips, with the rack and strips on opposite sides of mutually pointing legs Carriers are arranged.
  • Beams which are L-shaped in cross section have high bending rigidity in two perpendicular directions.
  • the torsional rigidity of such carriers is relatively high, the arrangement of the engagement means designed as toothed racks still contributing to increasing both the bending and torsional rigidity.
  • the beams can also be reinforced with ribs.
  • the feed device arranged on the drilling device consists in a simple manner of a pinion which is connected to the engagement means designed as a rack.
  • a pinion can either be driven manually via a handwheel or a motor.
  • the drive shaft for the pinion can be provided with driving means at both ends, so that the handwheel can be attached to the left or right side of the drilling device, depending on the position of the drilling device.
  • guide means as dovetail-shaped strips leads to a further stiffening of the beams.
  • guide means designed as dovetail-shaped strips allow simple adjustment of the operating play.
  • such strips can be easily machined, for example by machining, since on the one hand the arrangement of two supports and on the other hand the shape of the profile ensures good accessibility.
  • the guide column required for this is relatively long.
  • the guide column By designing the guide column as two individual supports, it is possible for the free ends of the supports to bend towards or away from one another.
  • a cover plate connecting the carriers to one another at the end of the carrier opposite the base plate.
  • the cover plate can be screwed, riveted or welded to the free ends of the carrier.
  • such a cover plate also fulfills another function. In this way, the rear end position of the drilling device can be limited by the cover plate and inadvertent movement out of the guide column can be prevented.
  • An advantageous embodiment consists in that the engagement means on the carriers are designed as a toothed rack for the feed device arranged on the drilling device.
  • a feed device working by means of a rack enables the use of standardized components. If the stroke of a tripod drilling device according to the invention is to be changed subsequently, for example by lengthening or replacing the guide column, the toothed rack can be used again and can also be lengthened by a corresponding amount. Racks can also be purchased as standard yard goods and adjusted to the length of the guide column.
  • the stand drilling device according to the invention shown in FIGS. 1 and 2 has a base plate 1 and a guide column, designated overall by 2, connected to the base plate 1.
  • the guide column 2 consists of two supports 2a, 2b arranged at a lateral distance from one another and running parallel to one another. The ends of the supports 2a, 2b opposite the base plate 1 are connected to one another via a cover plate 3.
  • a drilling device generally designated 4 is slidably arranged.
  • the drilling device 4 is connected to a tool holder 5, in which a drilling tool 6 is inserted.
  • the carriers 2a, 2b have dovetail-shaped strips 2c, 2d which are in engagement with correspondingly designed counter profiles 7.
  • the counter profiles 7 are detachably connected to the drilling device 4. If necessary, the counter profiles 7 can thus be replaced quickly and easily.
  • the drilling device 4 has a drive motor 4a and two arms 4b, 4c projecting laterally.
  • the arms 4b, 4c are also provided with interchangeable jaws 8, which are supported on the front edge of the carrier 2a, 2b.
  • the carrier 2b is connected to a rack 9.
  • This toothed rack 9 serves to feed the drill 4.
  • a drive shaft designated overall by 10
  • the drive shaft 10 is provided with a pinion 10 a, which is in engagement with the rack 9.
  • this has a polygon 10b at both ends.
  • a handwheel 12 is attached to the polygon 10b.
  • the handwheel 12 can also be removed and placed on the polygon 10b on the opposite side.
  • a stop 13 is provided to limit the drilling depth.
  • This stop 13 can be locked in any position with the aid of a sliding block 14 guided in a dovetail-shaped groove 2e, 2f and a clamping lever 15. If necessary, the stop 13 can also be arranged on the other support 2a. Since the two beams 2a, 2b have the same cross-section, they can easily be produced from the same profiles. This enables the profile to be produced in larger quantities and therefore more economically.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Optical Head (AREA)
  • Led Device Packages (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling Tools (AREA)
EP85810397A 1984-09-17 1985-09-02 Stativbohrvorrichtung mit Führungssäule Expired EP0175643B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85810397T ATE39635T1 (de) 1984-09-17 1985-09-02 Stativbohrvorrichtung mit fuehrungssaeule.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843434075 DE3434075A1 (de) 1984-09-17 1984-09-17 Stativbohrvorrichtung mit fuehrungssaeule
DE3434075 1984-09-17

Publications (2)

Publication Number Publication Date
EP0175643A1 EP0175643A1 (de) 1986-03-26
EP0175643B1 true EP0175643B1 (de) 1989-01-04

Family

ID=6245585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85810397A Expired EP0175643B1 (de) 1984-09-17 1985-09-02 Stativbohrvorrichtung mit Führungssäule

Country Status (8)

Country Link
US (1) US4684303A (da)
EP (1) EP0175643B1 (da)
JP (1) JPS6174805A (da)
AT (1) ATE39635T1 (da)
DE (2) DE3434075A1 (da)
DK (1) DK161873C (da)
FI (1) FI77597C (da)
NO (1) NO162951C (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812526A1 (de) * 1988-04-15 1989-10-26 Fein C & E Bohrstaender
US5006022A (en) * 1989-05-02 1991-04-09 Bernard Miller Axially movable tool and guide
DE4009241A1 (de) * 1990-03-22 1991-09-26 Fein C & E Stativ-bohrmaschine
DE9010313U1 (de) * 1990-07-07 1992-01-02 C. & E. Fein Gmbh & Co, 7000 Stuttgart Bohreinrichtung
JPH0542630U (ja) * 1991-11-05 1993-06-11 株式会社三五 サブマフラ
DE9204693U1 (de) * 1992-04-04 1992-06-25 Maschinenbau Meißner GmbH, 5250 Engelskirchen Werkzeugständer, insbesondere für Steinbohrer und Steinsägen
US5294220A (en) * 1993-06-22 1994-03-15 Ohmstede, Inc. Machining apparatus
DE9406622U1 (de) * 1994-04-20 1995-02-02 Gateway Werkzeug- und Maschinen Vertriebs GmbH, 46446 Emmerich Alu-Profil mit Führungsrollen zur Vorschubsführung von Kernbohrständer
DE19703911B4 (de) * 1997-02-03 2014-07-10 Robert Bosch Gmbh Anbohrhilfe für ein handgeführtes Bohrgerät
DE19731773C1 (de) * 1997-07-24 1999-03-11 Rothenberger Werkzeuge Ag Bohrmaschinenständer, insbesondere für Gesteinsbohrer, mit einer Standsäule
KR100436754B1 (ko) * 2001-05-26 2004-06-22 주식회사 호산기술 휴대용 드릴링 머신
DE10226866A1 (de) * 2002-06-17 2004-01-08 Hilti Ag Bohrständer für eine transportable Kernbohrmaschine
DE10231878A1 (de) * 2002-07-12 2004-01-22 Hilti Ag Bohrständer für eine Kernbohrmaschine
US7487576B2 (en) * 2003-02-03 2009-02-10 Husqvarna Outdoor Products Inc. Composite track, column and other supports, including for machinery
US7214007B2 (en) * 2003-02-03 2007-05-08 Husqvarna Outdoor Products Inc. Composite track, column and other supports, including for machinery
US20040240952A1 (en) * 2003-03-18 2004-12-02 Perry Eugene D. Device for drilling holes in a ceiling
US20050175423A1 (en) * 2004-02-06 2005-08-11 George Ku Drilling device for left-handed and right-handed users
US8245997B2 (en) * 2007-11-02 2012-08-21 Husqvarana Professional Outdoor Products Inc. Drill stand
DE102010030227A1 (de) * 2010-06-17 2011-12-22 Hilti Aktiengesellschaft Vorrichtung zur Führung eines Werkzeuggerätes
CN102335776A (zh) * 2011-09-05 2012-02-01 沪东中华造船(集团)有限公司 一种用于大直径钻孔的定位装置
CN104833542B (zh) * 2015-04-01 2019-04-19 江苏省电力公司徐州供电公司 一种旧有混凝土可连续取芯装置
WO2019027954A1 (en) 2017-07-31 2019-02-07 Milwaukee Electric Tool Corporation ROTARY ELECTRIC TOOL
CN112265155A (zh) * 2020-10-10 2021-01-26 徐树强 精准定位定角度的墙面开孔装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US734082A (en) * 1903-01-13 1903-07-21 Frederick J Nutting Multiple-drill press.
US1206358A (en) * 1908-01-02 1916-11-28 Sullivan Machinery Co Stoneworking-machine.
US1940443A (en) * 1931-01-15 1933-12-19 Cincinnati Milling Machine Co Milling machine
US2832241A (en) * 1956-10-29 1958-04-29 Nelson Brothers Inc Portable drill stand and guide apparatus
US3060770A (en) * 1960-03-04 1962-10-30 Peter P Schnurr Guide attachment for a portable drill
GB1150464A (en) * 1966-05-28 1969-04-30 Stabilimenti Di Sant Eustacchi A Vertical Lathe
JPS4815689B1 (da) * 1969-02-27 1973-05-16
US3890058A (en) * 1973-11-01 1975-06-17 Rhodes Investment Company Drill guiding apparatus
EP0002291A3 (de) * 1977-11-16 1979-07-25 VANDAELE GEBROEDERS personenvennootschap met beperkte aansprakelijkheid Hydraulische Kernbohrvorrichtung
GB1593242A (en) * 1978-05-26 1981-07-15 Mega Electronics Ltd Drill holders
US4261673A (en) * 1979-04-05 1981-04-14 Hougen Everett D Magnetic base drill
DE2940864A1 (de) * 1979-10-09 1981-04-23 Wohlhaupter E & Co Vorrichtung zum festklemmen einer gleitfuehrung insbesondere schwalbenschwanzfuehrung
DE3221709A1 (de) * 1982-06-09 1983-12-15 Robert 5446 Engeln Wolff Bohrstaender mit bohrhubanzeige
DE3334753A1 (de) * 1983-09-26 1985-06-27 Hilti Ag, Schaan Stativbohrvorrichtung

Also Published As

Publication number Publication date
FI77597B (fi) 1988-12-30
DK419985A (da) 1986-03-18
NO162951C (no) 1990-03-14
JPS6174805A (ja) 1986-04-17
FI77597C (fi) 1989-04-10
US4684303A (en) 1987-08-04
EP0175643A1 (de) 1986-03-26
FI853530A0 (fi) 1985-09-16
ATE39635T1 (de) 1989-01-15
FI853530L (fi) 1986-03-18
NO853620L (no) 1986-03-18
DE3434075A1 (de) 1986-03-27
DK161873C (da) 1992-02-03
DK419985D0 (da) 1985-09-16
NO162951B (no) 1989-12-04
DE3567161D1 (en) 1989-02-09
DK161873B (da) 1991-08-26

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