EP3341158A1 - Outil de pose - Google Patents

Outil de pose

Info

Publication number
EP3341158A1
EP3341158A1 EP16751602.0A EP16751602A EP3341158A1 EP 3341158 A1 EP3341158 A1 EP 3341158A1 EP 16751602 A EP16751602 A EP 16751602A EP 3341158 A1 EP3341158 A1 EP 3341158A1
Authority
EP
European Patent Office
Prior art keywords
drill
setting tool
anchor rod
nut
receptacle
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.)
Withdrawn
Application number
EP16751602.0A
Other languages
German (de)
English (en)
Inventor
Roland Foser
Tanja Meindorfer
Gerald Schreiber
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 EP3341158A1 publication Critical patent/EP3341158A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B25B31/00—Hand tools for applying fasteners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/08—Drills combined with tool parts or tools for performing additional working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/051—Couplings, e.g. special connections between components

Definitions

  • the invention relates to a setting tool, in particular for the striking driving of an anchor rod in a substrate, according to the preamble of claim 1.
  • a setting tool is equipped with an anchor rod receptacle open to a front side of the setting tool, and an open to a rear side of the setting tool drill chuck.
  • the invention also relates to a fastening arrangement with such a setting tool.
  • EP 1281481 A2 describes a setting tool for a bolt anchor with a hollow shaft for receiving a drill, wherein the hollow shaft is followed by a solid shaft for striking the bolt anchor.
  • the setting tool has a receptacle for the bolt anchor without nut and a second receptacle for the bolt anchor with screwed nut.
  • DE 102012221 1 14 B3 describes a setting tool consisting of a first part for driving a hammer anchor and a second part which can be placed on the first part for drilling a borehole for the impact anchor.
  • the object of the invention is to provide a setting tool for anchor rods and a fastening arrangement with such a setting tool, wherein a particularly efficient momentum transfer to the anchor rod is possible with a particularly simple and economical construction and good handling and thereby gives a particularly good wear resistance is.
  • a setting tool according to the invention is characterized in that it has a passage through which an anchor rod accommodated in the anchor rod receptacle can be acted upon directly axially by a drill received in the drill receptacle.
  • a basic idea of the invention can be seen in configuring the setting tool for a direct momentum transfer from the drill to the anchor rod, that is, the setting tool forms a guide for the drill, which directs the tip of the drill directly onto the head of the anchor rod.
  • the invention is characterized by a passage through which the tip of the drill arranged in the drill bit can act directly on the rear end face of the anchor rod.
  • the drill strikes a stop surface which changes during each setting operation, namely the rear end face of the anchor rod, and not always the same intermediate piece as in an indirect power transmission, premature wear of the setting tool or even unwanted incorporation of the setting tool Drill counteracted in the setting tool in a particularly simple manner. Since the head of the anchor rod, that is, her rearward area, are often work hardened in the manufacture of the anchor rod, it is generally expected that this will not affect the intended function of the anchor rod.
  • the anchor rod receptacle is used for receiving, preferably axial insertion, an anchor rod and the drill receptacle for receiving, preferably axial insertion, a drill.
  • the setting tool can be used in particular for the striking driving the anchor rod into a bore.
  • the anchor rod may be part of an expansion anchor, preferably a bolt-type expansion anchor.
  • An expansion anchor can be distinguished, in particular, by having a spreading element, for example an expansion sleeve, which is urged radially outwardly by an expansion element arranged on the anchor rod when the expansion element is displaced axially relative to the expansion element.
  • the anchor rod may have an external thread.
  • the anchor rod which is preferably metallic, may also have a protective cap, for example made of plastic, on its rear end face to be acted upon by the drill. In the passage of the setting tool and a pierceable by the drill membrane can be arranged.
  • this may in particular relate to the longitudinal axis of the drill receiver, the longitudinal axis of the anchor rod holder, the longitudinal axis of the drill, the longitudinal axis of the anchor rod and / or a common longitudinal axis.
  • the drill may preferably be a stone drill.
  • the drill may in particular be a helical drill and / or preferably has a cylindrical shank, in particular with at least one helical groove, wherein the shank is insertable into the drill holder.
  • the drill may have a carbide tip.
  • the setting tool has a drill sleeve in which the drill receptacle is formed.
  • a sleeve allows a particularly effective guidance of the drill.
  • the drill sleeve in particular in its front end region, an inner cross-sectional constriction as an axial stop for the recorded in the drill bit drills and / or as a guide for a rear end of the anchor rod.
  • a particularly reliable guidance of the anchor rod relative to the drill can be realized precisely in the area in which the pulses are transmitted from the drill to the anchor rod, so that the operational reliability can be further increased.
  • the inner cross-sectional constriction can be formed, for example, by one or more webs or by a constriction.
  • the inner cross-sectional constriction can be seen in particular in the direction of view in the axial direction, whereas in other viewing directions even a cross-sectional widening can be given.
  • the tip of the drill can rest at least temporarily on the inner cross-sectional constriction.
  • a free residual cross-section is given in the inner cross-sectional constriction, which defines the passage according to the invention at least, and through which the drill act directly on the anchor rod can.
  • the inner cross-sectional constriction can, especially on its side facing the drill bit, be rotationally symmetrical, with rotation about any desired angle, so that the drill does not have any has preferential attack point. This can be positive for the wear behavior.
  • the inner cross-sectional constriction may also have separate projections, which may serve for example for a particularly effective coupling with the drill and / or the anchor rod.
  • a further preferred embodiment of the setting tool is that it has a nut holding element, in which a nut receptacle for the rotationally fixed receiving a screwed onto the anchor rod nut is formed.
  • the nut holding member may be formed as a handle member and / or coupled to a handle member.
  • the nut receptacle may have an internal polygonal structure, in particular a hexagonal hexagonal structure.
  • This internal polygon structure can correspond to an outer contour of the nut and thus secure the nut in a form-fitting manner against rotation.
  • the nut receptacle can also have a friction surface, which secures the nut frictionally in a rotationally fixed manner. This friction surface can be arranged in particular at the bottom of the nut receptacle.
  • the nut receptacle have elastic parts which adapt to the rotationally secure securing to the shape of the nut.
  • the nut receiving a bottom which forms an axial stop for the mother.
  • the axial position of the setting tool can be defined relative to the anchor rod in a particularly simple manner.
  • the anchor rod receptacle may be formed in the bottom of the nut receptacle.
  • the anchor rod receptacle may be formed by a, preferably central, bore in the bottom of the nut receptacle.
  • the nut receptacle is expediently cup-shaped and / or its bottom annular.
  • the nut retaining element and the drill sleeve are axially displaceable to each other attached to each other.
  • a particularly robust and at the same time reliable setting tool can be obtained.
  • the drill has particularly reliable contact with the anchor rod during the setting process.
  • the nut holding element and the drill sleeve are telescopically, in particular axially telescoped.
  • the drill sleeve can be arranged inside the nut holding element.
  • This embodiment can be particularly advantageous when the mother is larger than the diameter of the drill, which may be the case in particular, the drill and the anchor rod have approximately the same diameter.
  • this embodiment can allow a more compact and at the same time robust and reliable design of the setting tool.
  • a further preferred embodiment of the invention is that the setting tool has a bellows which, on the one hand, in particular on the rear side, is arranged on the drill sleeve and on the other hand, in particular on the front side, on the nut holding element, indirectly or directly.
  • a bellows can be understood in the usual way, in particular an elastically folded hose.
  • the bellows surrounds the drill sleeve at least partially and / or the bellows can protect the displacement mechanism from external influences.
  • the elastic construction of the bellows ensures that the nut can be held reliably at different positions along the anchor rod by the nut retaining element.
  • the wall of the bellows may, for example, have a sinusoidal wave structure or a triangular wave structure or other forms.
  • the bellows is supported on the one hand on the drill sleeve and on the other hand on the nut holding element, and / or that the bellows forms a compression spring which stores energy when telescoping nut retaining element and drill sleeve. Accordingly, the bellows can axially press the nut retainer, particularly the bottom of the nut retainer, against the nut, which can further increase operational reliability.
  • a rear region of the drill sleeve may be provided on the drill sleeve preferably an annular shoulder on which the bellows is supported.
  • an annular shoulder on which the bellows is supported Preferably in a rear region of the drill sleeve may be provided on the drill sleeve preferably an annular shoulder on which the bellows is supported.
  • the drill sleeve can also be designed in several parts.
  • anchor rod holder and the drill holder are arranged coaxially. This can be a special effective force and / or momentum transfer between drill and anchor rod are obtained because the power flow is transmitted through the center axis of the drill.
  • the invention also relates to a fastening arrangement with a setting tool according to the invention, an anchor rod which is arranged in the anchor rod receptacle of the setting tool, and a drill which is arranged in the drill receptacle of the setting tool. This corresponds to the ready configuration of the setting tool.
  • the drill and the anchor rod are at least approximately the same diameter.
  • the drill which serves to create the bore hole for the anchor rod, also serve to operate the setting tool for the same anchor rod, which can further simplify the setting process.
  • FIG. 1 shows a longitudinal sectional view of an embodiment of a fastening arrangement according to the invention with a setting tool according to the invention, before the setting process;
  • Figure 2 the mounting assembly of Figure 1 in a longitudinal sectional view with sprung
  • FIGS. 1 and 2 A first exemplary embodiment of a fastening arrangement according to the invention with a setting tool according to the invention is shown in FIGS. 1 and 2.
  • the fastening arrangement comprises a setting tool, a drill 20 with a front-side tip 21, and an anchor rod 10, the anchor rod 10 having in its rear end region a nut 12 screwed onto the anchor rod 10.
  • the setting tool has a nut-holder element 30 designed as a sleeve.
  • a cup-shaped, open-topped nut receptacle 32 is provided, in which the nut 12 arranged on the anchor rod 10 is received in a rotationally fixed manner.
  • the nut receptacle 32 may, for example, have an internal polygonal structure 39.
  • the cup-shaped nut receptacle 32 is bounded by an annular bottom 33, which forms an axial stop for the nut 12.
  • a recess is provided, which forms an anchor rod receptacle 31, and through which the rear end of the mother 12 supporting anchor rod 10 is inserted into the setting tool.
  • the nut retaining element 30 On its rear side facing the nut receptacle 32, the nut retaining element 30 has a pot-shaped receiving space 35 which is open towards the rear and explained in greater detail below.
  • the setting tool also has a drill sleeve 40, in which an approximately cylindrical drill receptacle 41 which is open towards the rear side of the setting tool is formed.
  • this drill holder 41 of trained as a twist drill drill 20 is inserted.
  • the drill sleeve 40 has, for example, an annular inner cross-sectional constriction 49.
  • This inner cross-sectional constriction 49 forms an axial stop for the drill bit 20 accommodated in the drill bit holder 41, in particular for its tip 21, the axial stop limiting a movement of the drill bit 20 relative to the drill sleeve sleeve 40 towards the front.
  • the inner cross-sectional constriction 49 as can be seen in particular in FIG. 2, also forms a guide for the rear end of the anchor rod 10 arranged in the anchor rod receptacle 31.
  • the drill bit 20, the drill bit receptacle 41, the anchor rod 10 and the anchor rod receptacle 31 are arranged coaxially and define a common longitudinal axis 99.
  • the drill sleeve 40 is received in its front end region, preferably at the level of the inner cross-sectional constriction 49, in the rear receiving space 35 of the nut holding member 30 and telescopically inserted into the nut holding member 30.
  • the setting tool also has a bellows 50, which surrounds the drill sleeve 40 partially.
  • the bellows 50 is supported at its front end on the Nuthalteele- element 30 and at its rear end on an axially fixed to the drill sleeve 40 annular shoulder 47 from.
  • the drill bit holder 41 extends through this annular shoulder 47.
  • the drill sleeve is designed in several parts with an outer diameter-small front element which projects into the receiving space 35 and an outer-diameter rear element on which the annular shoulder 47 is formed. But it is also a one-piece design possible.
  • the wall of the bellows 50 in longitudinal section on a sinusoidal wave structure. But there are also other wall shapes possible.
  • the receiving space 35 of the nut holding member 30 and the inner cross-sectional constriction 49 form a passage 3, through which the drill 20 received in the drill bit holder 41 with its front tip 21 can act directly axially striking the rear end side of the anchor rod receptacle 31 arranged anchor rod.
  • FIG. 1 shows the state of the setting tool before the actual setting process, but after the anchor rod 10 and the drill 20 have already been introduced into the corresponding receptacles 31 and 41 respectively.
  • the drill 20 is still spaced from the anchor rod 10.
  • the drill bit 20 is moved axially forward toward the rearward end of the anchor rod 10 until the drill bit 20 passes through the passageway 3 at the rear end of the anchor rod 10.
  • the drill sleeve 40 is thereby inserted axially into the receiving space 35 of the nut 12 and the bottom 33 axially fixed nut holding member 30 of the voltage applied to the inner cross-sectional constriction 49 drill 20, wherein the bellows 50 springs radially in storage of energy.
  • the resulting state is shown in FIG.
  • shock pulses introduced into the drill 20 can be transmitted from the drill 20 directly to the anchor rod 10 resting against the drill 20.
  • the shock pulses may preferably be introduced at the rear end region of the drill 20, for example by a drive, not shown, which is arranged at the rear, ie at the opposite end of the tip 21 of the drill 20.
  • FIG. 10 A further embodiment of a fastening arrangement according to the invention is shown in FIG. It differs from the embodiment shown above only in that the anchor rod 10 according to Figure 3 at its rear, the drill 20th facing end portion an additional protective cap 100, for example made of plastic, having.
  • This protective cap 100 covers, in particular, the rear end face of the anchor rod 10, against which the drill 20 acts in a beating manner, and thus protects the rear end face.
  • the other features correspond to the embodiment of Figures 1 and 2, so that reference is made in this regard to the corresponding statements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

L'invention concerne un outil de pose comprenant un logement (31) de tige d'ancrage ouvert en direction d'une face avant de l'outil de pose et un logement (41) de foret ouvert en direction d'une face arrière de l'outil de pose. Selon l'invention, l'outil de pose présente un passage (3) à travers lequel une tige d'ancrage (10) logée dans le logement (31) de tige d'ancrage peut être sollicitée par percussion directement axialement par un foret (20) logé dans le logement (41) de foret. L'invention concerne également un ensemble de fixation pourvu d'un outil de pose de ce type.
EP16751602.0A 2015-08-25 2016-08-16 Outil de pose Withdrawn EP3341158A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15182262.4A EP3135435A1 (fr) 2015-08-25 2015-08-25 Outil de pose
PCT/EP2016/069411 WO2017032642A1 (fr) 2015-08-25 2016-08-16 Outil de pose

Publications (1)

Publication Number Publication Date
EP3341158A1 true EP3341158A1 (fr) 2018-07-04

Family

ID=53969300

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15182262.4A Withdrawn EP3135435A1 (fr) 2015-08-25 2015-08-25 Outil de pose
EP16751602.0A Withdrawn EP3341158A1 (fr) 2015-08-25 2016-08-16 Outil de pose

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15182262.4A Withdrawn EP3135435A1 (fr) 2015-08-25 2015-08-25 Outil de pose

Country Status (3)

Country Link
US (1) US20180250801A1 (fr)
EP (2) EP3135435A1 (fr)
WO (1) WO2017032642A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3546127A1 (fr) 2018-03-28 2019-10-02 Inventio AG Outil de pose et procédé d'enfoncement à percussions d'une tige d'ancrage dans un trou de forage
DE102019121907A1 (de) * 2019-08-14 2021-02-18 Fischerwerke Gmbh & Co. Kg Setzwerkzeug, Montageanordnung und Verfahren zum Setzen eines Spreizankers

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890779A (en) * 1984-08-23 1990-01-02 Giannuzzi Louis Automatic setting tool for masonry anchors
DE3533396C2 (de) 1985-09-19 1994-12-01 Hilti Ag Setzwerkzeug zum Eindrehen von Gewindestangen
DE8903996U1 (de) * 1989-04-01 1990-08-02 Fischer-Werke Artur Fischer GmbH & Co KG, 7244 Waldachtal Einschlagwerkzeug für Einschlaganker
DE19755769A1 (de) 1997-12-16 1999-06-17 Hilti Ag Setzwerkzeug
DE19904849A1 (de) * 1999-02-08 2000-08-17 Gerhard Lauger Vorrichtung zum Eintreiben von nagelartigen Befestigungsstiften
DE10028012A1 (de) 2000-06-06 2001-12-13 Hilti Ag Setzwerkzeug für Befestigungselemente
EP1281481A3 (fr) 2001-08-03 2005-08-03 fischerwerke Artur Fischer GmbH & Co. KG Outil pour la mise en place d' un boulon d'ancrage
DE102006000362B4 (de) 2006-07-21 2017-03-02 Hilti Aktiengesellschaft Setzwerkzeug
US8424180B2 (en) * 2007-01-22 2013-04-23 Thomas Allan Wallek Wedge anchor setting apparatus
EP2138277B1 (fr) * 2008-06-25 2013-01-09 MHT Patentverwertungs-, Beteiligungs- und Verwaltungs GmbH Procédé destiné à poser une cheville pour la prise en charge d'un élément de fixation dans un trou mural et kit d'exécution du procédé
CN103338908B (zh) * 2011-05-30 2015-04-01 株式会社宫永 冷却液供给装置及具备该冷却液供给装置的电钻单元
DE102012200462A1 (de) 2012-01-13 2013-07-18 Hilti Aktiengesellschaft Spreizanker
DE102012221114B3 (de) 2012-11-19 2014-04-10 Hilti Aktiengesellschaft Setzwerkzeug für Einschlaganker
DE102013200227A1 (de) 2013-01-10 2014-07-10 Hilti Aktiengesellschaft Torsionsstab

Also Published As

Publication number Publication date
WO2017032642A1 (fr) 2017-03-02
EP3135435A1 (fr) 2017-03-01
US20180250801A1 (en) 2018-09-06

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