EP2559813B1 - Pince de serrage - Google Patents

Pince de serrage Download PDF

Info

Publication number
EP2559813B1
EP2559813B1 EP20110006716 EP11006716A EP2559813B1 EP 2559813 B1 EP2559813 B1 EP 2559813B1 EP 20110006716 EP20110006716 EP 20110006716 EP 11006716 A EP11006716 A EP 11006716A EP 2559813 B1 EP2559813 B1 EP 2559813B1
Authority
EP
European Patent Office
Prior art keywords
clamping
accordance
connecting rod
hydraulic piston
clamping tongs
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.)
Not-in-force
Application number
EP20110006716
Other languages
German (de)
English (en)
Other versions
EP2559813A1 (fr
Inventor
Christian Heichel
Albrecht Kleibl
Sebastian Spitzer
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.)
ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Original Assignee
ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
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 ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH filed Critical ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Priority to EP20110006716 priority Critical patent/EP2559813B1/fr
Publication of EP2559813A1 publication Critical patent/EP2559813A1/fr
Application granted granted Critical
Publication of EP2559813B1 publication Critical patent/EP2559813B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/02—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers specially adapted for placing or removing bulkheads

Definitions

  • the invention relates to a clamping pliers for fixing pile material to a pile driver according to the preamble of patent claim 1.
  • the invention aims to remedy this situation.
  • the invention has for its object to provide a gripping clamp for fixing pile to a piling device, which allows for the same maximum clamping force a smaller size of the clamp. According to the invention, this object is solved by the features of the characterizing part of patent claim 1.
  • a clamp for attachment of pile material is created on a pile driver, which allows for the same maximum clamping force a smaller size of the clamp. Due to the arrangement of the at least one hydraulic piston such that its effective direction does not correspond to the effective direction of the jaws, also a compact and weight-reduced design can be achieved.
  • the hydraulic piston is connected via a toggle lever arrangement with the clamping jaw.
  • the toggle lever assembly comprises a connecting rod and a push rod, which are pivotally connected to each other via a bolt.
  • a connecting rod and a push rod which are pivotally connected to each other via a bolt.
  • a sliding disk is arranged between the connecting rod and the push rod on the bolt, which is preferably made of polyamide.
  • polyamide is characterized by good wear properties.
  • a guide bush is arranged on the hydraulic piston, in which the connecting rod is arranged.
  • a guide of the connecting rod is achieved, whereby the force is optimized in the push rod.
  • the toggle lever assembly is connected via a guide rod to the housing.
  • the force is further optimized in the push rod.
  • the guide rod is pivotally connected to the housing and pivotally connected via the bolt with the toggle lever assembly.
  • a defined bottom guide of the bolt is achieved, whereby the force is further improved in the push rod.
  • two push rods are arranged on both sides of the connecting rod on the bolt.
  • a uniform force of the jaw is achieved.
  • a smaller dimensioning of the push rods is required.
  • two guide rods are arranged on both sides of the connecting rod on the bolt.
  • a uniform guidance of the bolt is achieved with distributed force introduction into the housing.
  • a smaller dimensioning of the guide rods is possible.
  • the guide rod is at least partially made of a fiber-reinforced composite material.
  • a weight-reduced design of the guide rod is possible.
  • the clamping tongs 1 chosen as an embodiment consists essentially of a housing 2 in which a clamping jaw 3 is movably mounted opposite and a clamping jaw 3 / fixedly arranged, wherein the movable jaw 3 is connected via a toggle lever arrangement 5 with a hydraulic piston 4.
  • the housing 2 is formed in the embodiment as a casting. On its side facing the Rammgut two opposite to the housing 2 arranged hollow cylindrical jaw chambers 21, between which a gap 22 is formed. On a side facing away from the gap 22, a hollow cylindrical piston chamber 23 is arranged in the housing 2, whose center axis of rotation is directed orthogonally to the rotation central axis of the jaw chambers 21.
  • the piston chamber 23 is closed by a cover 24 on its side facing the Rammgut opposite side.
  • the piston chamber 23 has an opening 26 for the passage of the guide bushing 43 of the hydraulic piston 4 arranged inside the piston chamber 23.
  • two bearing bushes 25 for receiving a respective tie rod 53 are arranged within the housing 2 above the movable jaw associated with the jaw chamber 21 opposite.
  • the jaws 3 are formed substantially cylindrical. At its side facing the gap 22, the clamping jaws 3 are provided with a corrugated clamping surface 31 for increasing the coefficient of friction between the clamping jaw 3 and the pile.
  • a replaceable wear lug 30 is arranged on the jaws 3, 3 /, on which the fluted clamping surface 31 is formed.
  • a web 32 is integrally formed in the movable jaw 3, which is provided on both sides with a bolt receptacle 34 for receiving a push rod 52.
  • a bearing shell 33 is introduced into the movable clamping jaw 3 on both sides of the web 32.
  • the hydraulic piston 4 is cylindrical. On its underside facing the opening 26, a bearing shell 41 with a bolt receptacle 42 for receiving a connecting rod 51 is inserted in the hydraulic piston 4. Furthermore, the bearing shell 41 surrounding a guide bush 43 is disposed on the underside of the hydraulic piston 4, which passes through the opening 26 of the housing 2 passes.
  • the toggle lever assembly 5 consists of a connecting rod 51, two on both sides of the connecting rod 51 arranged push rods 52 and two sides of the
  • Push rods 52 arranged tension rods 53 which are arranged side by side on a bolt 54 pivotally mounted. Between the individual rods or bars 51, 52, 53 54 sliders 55 are arranged on the bolt.
  • the connecting rod 51 is formed waisted in the manner of a cat tongue.
  • the radius of the outer contour of the hydraulic piston 4 facing the end of the connecting rod substantially corresponds to the radius of the inner contour of the bearing shell 41.
  • a bore 511 introduced in this end of the connecting rod 51, which corresponds to the bolt receptacle 42 of the hydraulic piston 4.
  • an eye 512 is inserted into the connecting rod 51, which receives a plain bearing bushing 513.
  • the plain bearing bushing 513 has an inner diameter that substantially corresponds to the outer diameter of the bolt 54.
  • the push rod is formed similar to the connecting rod, wherein the diameter of the outer contour of the jaw 3 facing the end substantially corresponds to the inner diameter of the bearing shell 33 of the jaw 3.
  • the bore 521 which is arranged centrally to this outer diameter, corresponds to the bolt receptacle 34 of the clamping jaw 3.
  • an eye 522 is likewise introduced, which receives a plain bearing bush 523 whose inner diameter substantially corresponds to the outer diameter of the bolt 54.
  • the tie rod 53 is formed substantially in the manner of a cuboid, on whose transverse sides a semicircular disc is formed. At its two ends, an eye 531 is introduced into the pull rod 53, which receives a plain bearing bushing 532.
  • a plain bearing bushing 532 In the exemplary embodiment, two identical plain bearing bushes 532 are arranged, the inner diameter of which substantially corresponds to the outer diameter of the bolt 54.
  • the tension rod 53 is designed to reduce weight as a composite piece, in which an aluminum base body is provided circumferentially outside to accommodate the tensile forces with a circumferential carbon fiber ribbon.
  • the toggle lever assembly 5 is arranged in the clamping jaw 1, which is the connecting rod 51 is introduced with its bore 511 in the bolt receptacle 42 of the hydraulic piston 4, wherein the bore 521 of the push rod 52 is received by the bolt receptacle 34 of the jaw 3.
  • the tension rod 53 is received at its end facing away from the bolt 54 with the journal bearing 532 received by the latter from a bearing bush 25 of the housing 2.
  • the clamping force acting on the movable jaw 3 is derived directly via the tie rods 53 to the housing 2. This reduces the bending moment in the tong body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Claims (10)

  1. Pince de serrage servant à fixer un produit de battage contre un appareil de battage, comprenant un carter avec au moins deux mâchoires de serrage agencées l'une en face de l'autre, dont au moins une mâchoire de serrage 3 est agencée de manière mobile, mâchoires qui sont déplaçables l'une contre l'autre via au moins un piston hydraulique, caractérisée en ce qu'au moins un piston hydraulique (4) est agencé de telle manière que son sens d' action ne correspond pas au sens d' action des mâchoires de serrage (3), sachant qu' au moins un piston hydraulique (4) est relié de manière articulée avec une mâchoire de serrage (3).
  2. Pince de serrage selon la revendication 1, caractérisée en ce qu'au moins un piston hydraulique (4) est relié à la mâchoire de serrage (3) via un agencement à genouillère (5).
  3. Pince de serrage selon la revendication 2, caractérisée en ce que l'agencement à genouillère (5) comprend une bielle (51) et une barre de poussée (52) reliées entre elles via un goujon (54).
  4. Pince de serrage selon la revendication 3, caractérisée en ce qu'une rondelle de glissement (55) fabriquée de préférence en polyamide est agencée sur le goujon (54) entre la bielle (51) et la barre de poussée (52).
  5. Pince de serrage selon la revendication 3 ou 4, caractérisée en ce que contre le piston hydraulique (4) est agencée une douille de guidage (43) dans laquelle est agencée la bielle (51).
  6. Pince de serrage selon l'une des revendications 3 à 5, caractérisée en ce que l'agencement à genouillère (5) est relié via une barre de traction (53) avec le carter (2).
  7. Pince de serrage selon la revendication 6, caractérisée en ce que la barre de traction (53) est reliée de manière pivotante avec le carter (2) et, via le goujon (54), de manière pivotante avec l'agencement à genouillère (5).
  8. Pince de serrage selon l'une des revendications 3 à 7, caractérisée en ce que deux barres de poussée (52) sont agencées sur le goujon (54) des deux côtés de la bielle (51).
  9. Pince de serrage selon l'une des revendications 6 à 8, caractérisée en ce que deux barres de traction (53) sont agencées sur le goujon (54) des deux côtés de la bielle (51).
  10. Pince de serrage selon l'une des revendications 6 à 9, caractérisée en ce qu' au moins certaines zones des barres de traction (53) sont fabriquées en un matériau composite renforcé de fibres.
EP20110006716 2011-08-17 2011-08-17 Pince de serrage Not-in-force EP2559813B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20110006716 EP2559813B1 (fr) 2011-08-17 2011-08-17 Pince de serrage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110006716 EP2559813B1 (fr) 2011-08-17 2011-08-17 Pince de serrage

Publications (2)

Publication Number Publication Date
EP2559813A1 EP2559813A1 (fr) 2013-02-20
EP2559813B1 true EP2559813B1 (fr) 2013-07-17

Family

ID=44677315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110006716 Not-in-force EP2559813B1 (fr) 2011-08-17 2011-08-17 Pince de serrage

Country Status (1)

Country Link
EP (1) EP2559813B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962318C3 (de) * 1969-12-12 1973-09-13 Wacker Werke Kg, 8000 Muenchen Vorrichtung zum Klemmen von Bohlen, Dielen, Pfählen, Rohren usw. an Rammund Ziehgeräten
DE2948221A1 (de) * 1979-11-30 1981-06-04 Hütte & Bohrtechnik GmbH, 5960 Olpe Hydraulischer rohrloeser
US6073704A (en) * 1997-08-11 2000-06-13 Tosa Machinery Industries Co., Ltd. Machine support including means for angular control of a supported device
DE602007004304D1 (de) * 2007-04-16 2010-03-04 Ihc Holland Ie Bv Vibrationsrüttler zum Niederbringen eines Pfahls oder eines Formrohres

Also Published As

Publication number Publication date
EP2559813A1 (fr) 2013-02-20

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