EP2067578B1 - Maschinenständer mit Maschinenkupplung für eine transportable Werkzeugmaschine - Google Patents

Maschinenständer mit Maschinenkupplung für eine transportable Werkzeugmaschine Download PDF

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Publication number
EP2067578B1
EP2067578B1 EP08105848A EP08105848A EP2067578B1 EP 2067578 B1 EP2067578 B1 EP 2067578B1 EP 08105848 A EP08105848 A EP 08105848A EP 08105848 A EP08105848 A EP 08105848A EP 2067578 B1 EP2067578 B1 EP 2067578B1
Authority
EP
European Patent Office
Prior art keywords
machine
coupling part
carriage
stand according
machine stand
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.)
Active
Application number
EP08105848A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2067578A3 (de
EP2067578A2 (de
Inventor
John Van Taack-Takranen
Christian Sattler
Markus Jocham
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
Publication of EP2067578A2 publication Critical patent/EP2067578A2/de
Publication of EP2067578A3 publication Critical patent/EP2067578A3/de
Application granted granted Critical
Publication of EP2067578B1 publication Critical patent/EP2067578B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • 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
    • B25H1/0042—Stands

Definitions

  • the invention refers to a machine frame with a machine coupling for a portable machine tool, in particular for driving a core bit for drilling concrete and masonry.
  • the necessary during the core drilling of rock high torques and feed forces are usually applied by the machine tool against a machine stand, which is firmly connected to the ground.
  • the forces are transmitted from the machine tool via a displaceable, with a machine coupling part for central mounting of the machine tool, guide carriage symmetrically on a guide rail and further via a bottom plate into the ground.
  • DE3237057 is on a guide rail of a machine stand a displaceable guide carriage with a carriage coupling part arranged with a clamping surface on which a machine-coupling part with an associated clamping surface via a coupling-associated, a machine tool via an acute-angled, exposed protruding nose (in the usual assembly below) mounted in the carriage coupling part, in the Can be pivoted clamping position and securely locked and clamped by a plug-in lever by means of the lever, a circumferentially exposed bolt of the carriage coupling part is eccentrically offset.
  • the object of the invention is the realization of a machine stand with a machine coupling with a smaller and less cantilevered machine coupling part. Another aspect is the technologically simpler production, in particular of the machine coupling part.
  • a machine stand has a machine coupling arranged on the guide carriage for a transportable machine tool, wherein the guide carriage has a Carriage coupling part is arranged with a clamping surface, which is assigned a machine coupling part for the machine tool coupled with a clamping surface, wherein the machine coupling part has two at least partially circumferentially exposed bolts which are hooked behind two coupling associated hooks of the carriage coupling part, wherein at least a first hook in the carriage coupling part along whose clamping surface is displaceable.
  • the first hook is displaceable by an eccentric mechanism, whereby the lock is designed self-locking.
  • the eccentric mechanism is designed as an eccentric bolt guided in a cylinder sleeve, which furthermore advantageously has a radially sprial-shaped contact surface, as a result of which high-tensioning forces can be applied with little wear.
  • the eccentric mechanism has a lever receptacle for inserting a lever, whereby the lever itself can be removed and does not interfere with appropriate use.
  • the first hook is formed on a pivot lever, which is pivotable via the eccentric mechanism, whereby the clamping force is translatable.
  • a second hook is rigidly fixed to the carriage coupling part, whereby this is technologically easy to assemble, for example.
  • a fitting bolt By a fitting bolt.
  • the clamping surfaces are arranged inclined to the direction of displacement of the guide carriage, whereby when used in the horizontal direction of dislocation any befindettess on the clamping surfaces water can drain off independently.
  • Two mutually oriented guide surfaces are advantageously formed both on the machine coupling part and on the carriage coupling part, which run perpendicular to the clamping surfaces, whereby a working axis of the machine tool is defined aligned to the displacement direction of the guide carriage.
  • the carriage coupling part is in the general case an integral part of the guide carriage.
  • slot nuts are advantageously connected to the carriage coupling part, which engage in perpendicular to the displacement direction of a separate guide carriage extending T-shaped transverse grooves, whereby an adjustment of the position of the carriage coupling part on a separate guide carriage is possible.
  • FIG. 1 has a (only hinted) machine stand 2 a machine coupling 1 to a (only partially shown) portable machine tool 3 in the form of a core drill with a rotation axis A.
  • a carriage coupling part 1 a and a coupled associated machine coupling part 1 b of the machine tool 3 are coupled to a guide carriage 4 with a displacement direction V of the machine stand 2 .
  • the machine coupling part 1b mounted on the machine tool 3 has two circumferentially exposed bolts 6, which can be suspended behind two hooks 7a, 7b of the carriage coupling part 1a that are coupled to one another.
  • the first hook 7a is displaceable in the carriage coupling part 1a along its clamping surface 5a by an eccentric mechanism.
  • the eccentric mechanism itself is designed as a guided in a cylinder sleeve 8 eccentric pin 9 having a radially spiral contact surface 10 which presses on a resiliently biased pivotally mounted pivot lever 11, on which the first hook 7a is formed.
  • the second hook 7b is rigidly fixed to the carriage coupling part 1a. Further, with the carriage coupling part 1a braced sliding blocks 12 which engage in perpendicular to the displacement direction V of the guide carriage 4 extending T-shaped transverse grooves 13 engage.
  • Fig. 2 has the direction transverse to the displacement direction V ( Fig. 1 ) along its eccentric axis E displaceable eccentric pin 9 an externally exposed lever receptacle 14 in the form of a square socket for insertion of an associated matching lever 15.
  • an externally exposed lever receptacle 14 in the form of a square socket for insertion of an associated matching lever 15.
  • two mutually oriented guide surfaces 16a, 16b are formed which run perpendicular to the clamping surfaces 5a, 5b.
  • Fig. 4 happens to hang the machine coupling part 1b, which is itself largely embedded in the machine tool 3 by the machine tool 3 is suspended from top to bottom with the upper pin 6 first in the second hook 7b and then with a pivoting movement S on the clamping surface 5a of the carriage coupling part 1a is pivoted.
  • the pivot lever 11 rotates against the force of a spring 17 until the (previously extracted) eccentric pin 9 along its eccentric axis E ( Fig. 2 ) can be inserted laterally into the carriage coupling part 1a and with its spiral contact surface 10 (FIG. Fig. 1 ) engages behind the pivot lever 11.
  • the machine tool 3 is fixed but not yet braced, which is then done by the rotation of the eccentric pin 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Gripping On Spindles (AREA)
  • Machine Tool Units (AREA)
EP08105848A 2007-12-06 2008-11-21 Maschinenständer mit Maschinenkupplung für eine transportable Werkzeugmaschine Active EP2067578B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007055716A DE102007055716A1 (de) 2007-12-06 2007-12-06 Maschinenständer mit Maschinenkupplung für eine transportable Werzeugmaschine

Publications (3)

Publication Number Publication Date
EP2067578A2 EP2067578A2 (de) 2009-06-10
EP2067578A3 EP2067578A3 (de) 2010-01-27
EP2067578B1 true EP2067578B1 (de) 2012-04-11

Family

ID=40506480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105848A Active EP2067578B1 (de) 2007-12-06 2008-11-21 Maschinenständer mit Maschinenkupplung für eine transportable Werkzeugmaschine

Country Status (6)

Country Link
US (1) US8201548B2 (es)
EP (1) EP2067578B1 (es)
JP (1) JP5421579B2 (es)
AT (1) ATE552947T1 (es)
DE (1) DE102007055716A1 (es)
ES (1) ES2382011T3 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010041782A1 (de) 2010-09-30 2012-04-05 Hilti Aktiengesellschaft Gerätesystem mit einer Vorrichtung zur Befestigung eines Werkzeuggerätes an einem Geräteständer
DE102013201612A1 (de) 2013-01-31 2014-07-31 Hilti Aktiengesellschaft Geräteaufhängung
DE102013205827A1 (de) 2013-04-03 2014-10-09 Hilti Aktiengesellschaft Vorschubeinrichtung
EP3088150A1 (de) 2015-04-28 2016-11-02 HILTI Aktiengesellschaft Adaptive generierung von bohrparametern beim automatisierten kernbohren
DE202015003619U1 (de) * 2015-05-19 2016-08-22 Liebherr-Aerospace Lindenberg Gmbh Verriegelungsvorrichtung eines Luftfahrzeugfahrwerks
CN215256059U (zh) 2021-02-10 2021-12-21 米沃奇电动工具公司 钻孔取芯机组件

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464655A (en) * 1968-10-11 1969-09-02 Albert Schuman Concrete core drill
SE442960B (sv) * 1980-09-05 1986-02-10 Gearmek Hb Linjert styrd maskindel
JPS58196015U (ja) * 1982-06-24 1983-12-27 日産自動車株式会社 マグネツト式ボ−ル盤
DE3237057A1 (de) * 1982-10-06 1984-04-12 Hilti AG, 9494 Schaan Stativbohrgeraet
SE465021B (sv) 1989-11-27 1991-07-15 Anders Johnsen Anordning foer loesgoerbar foerbindning av tvaa delar
JP3540410B2 (ja) * 1995-01-27 2004-07-07 三洋電機株式会社 プレハブパネル用フック装置
DE10043429A1 (de) * 2000-09-04 2002-03-14 Hilti Ag Bohrvorrichtung
JP2004082254A (ja) * 2002-08-26 2004-03-18 Harada Shoten:Kk 持ち運び式穴加工用工具支持装置

Also Published As

Publication number Publication date
ATE552947T1 (de) 2012-04-15
JP2009137008A (ja) 2009-06-25
JP5421579B2 (ja) 2014-02-19
ES2382011T3 (es) 2012-06-04
US8201548B2 (en) 2012-06-19
EP2067578A3 (de) 2010-01-27
US20090145417A1 (en) 2009-06-11
DE102007055716A1 (de) 2009-06-10
EP2067578A2 (de) 2009-06-10

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