DE102007039482A1 - Coupling device for motor vehicle, has tow rope or tow rod and motor vehicle to be towed is joined or connected, and is manufactured from fiber reinforced plastic after composite flow pressing process - Google Patents
Coupling device for motor vehicle, has tow rope or tow rod and motor vehicle to be towed is joined or connected, and is manufactured from fiber reinforced plastic after composite flow pressing process Download PDFInfo
- Publication number
- DE102007039482A1 DE102007039482A1 DE102007039482A DE102007039482A DE102007039482A1 DE 102007039482 A1 DE102007039482 A1 DE 102007039482A1 DE 102007039482 A DE102007039482 A DE 102007039482A DE 102007039482 A DE102007039482 A DE 102007039482A DE 102007039482 A1 DE102007039482 A1 DE 102007039482A1
- Authority
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- Germany
- Prior art keywords
- coupling device
- motor vehicle
- fibers
- reinforced plastic
- tow
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/143—Draw-gear or towing devices characterised by their type characterised by the mounting of the draw-gear on the towed vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/56—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
- B60D1/565—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper having an eyelet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2071/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
- B29K2077/10—Aromatic polyamides [polyaramides] or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
- B29K2707/04—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
- B29K2709/08—Glass
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Kopplungseinrichtung, welche einerseits mit einem Abschleppseil oder einer Abschleppstange und andererseits mit einem abzuschleppenden Kraftfahrzeug verbunden oder verbindbar ist. Die Erfindung betrifft außerdem ein mit einer derartigen Kopplungseinrichtung ausgestattetes Kraftfahrzeug.The The present invention relates to a coupling device which on the one hand with a tow rope or a tow bar and on the other hand connected to a towed vehicle or connectable. The invention also relates to a with such Coupling device equipped motor vehicle.
Abschleppeinrichtungen, welche wie in vorigem Absatz erwähnt, zur Kopplung eines Kraftfahrzeuges mit einem Abschleppseil oder einer Abschleppstange dienen, sind üblicherweise aus Metall ausgebildet und fest mit den tragenden Teilen einer Fahrzeugkarosserie verbunden. Die Ausbildung aus Metall wird dabei deshalb gewählt, da die Abschleppeinrichtung im Abschleppfall hohe Kräfte von dem Abschleppseil bzw. der Abschleppstange auf das Kraftfahrzeug übertragen muss. Die Ausbildung der Abschleppeinrichtung aus Metall birgt jedoch das Problem, dass stets zusätzliches Gewicht mit dem Fahrzeug bewegt werden muss, was über die Lebensdauer des Kraftfahrzeuges gesehen an nicht zu unterschätzenden Mehrbedarf an Energiekosten verursacht. Generell werden hierbei zwei unterschiedliche Varianten unterschieden, nämlich eine kontinuierlich fest mit dem Fahrzeug verbundene Abschleppeinrichtung sowie eine lediglich im Bedarfsfall mit dem Kraftfahrzeug verbindbare Abschleppeinrichtung. Bei den meisten Fahrzeugen sind dabei die genannten Abschleppeinrichtungen sowohl vorne als auch hinten angebracht bzw. anbringbar und üblicherweise zusätzlich seitenversetzt, um dem hinteren Fahrer eine verbesserte Sicht auf das Verkehrsgeschehen zu ermöglichen. Die versetzte Anordnung der Abschleppeinrichtungen bietet darüber hinaus den großen Vorteil, dass das Abschleppseil bzw. die Abschleppstange während des Abschleppvorganges gerade bleibt.Towing devices, which as mentioned in the previous paragraph, for coupling a motor vehicle with a tow rope or serve a tow bar are usually formed of metal and firmly connected to the supporting parts of a vehicle body. The training of metal is therefore chosen because the towing in the towing case high forces transmitted from the tow or the tow bar on the motor vehicle got to. However, the formation of the towing device made of metal harbors the problem that always additional Weight with the vehicle must be moved, what about the Life of the motor vehicle seen at not to be underestimated Increased demand for energy costs caused. Generally hereby distinguished two different variants, namely a continuously fixed connected to the vehicle towing device and a merely If necessary, connectable to the motor vehicle towing device. For most vehicles are the mentioned towing devices both front and rear mounted and usually and additionally offset to give the rear driver an improved view to enable the traffic. The staggered arrangement of the towing devices also offers the huge Advantage that the tow rope or the tow bar during the Towing process just remains.
Die vorliegende Erfindung beschäftigt sich mit dem Problem, eine Kopplungseinrichtung zu schaffen, welche insbesondere leichter als eine vergleichbare aus Metall ausgebildete Abschleppeinrichtung ausgebildet ist.The present invention employs with the problem of providing a coupling device which especially lighter than a comparable made of metal Towing device is formed.
Die Erfindung löst diese Problem durch den Gegenstand des unabhängigen Anspruchs 1. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.The Invention solves This problem is solved by the subject matter of independent claim 1. Advantageous embodiments are the subject of the dependent Claims.
Die Erfindung beruht auf dem allgemeinen Gedanken, die Kopplungseinrichtung nicht wie bisher üblich aus Metall, sondern aus faserverstärktem Kunststoff auszubilden und nach dem Composite-Fließ-Pressverfahren herzustellen. Faserverstärkte Kunststoffe bestehen üblicherweise aus den Verstärkungsfasern, welche in eine Kunststoffmatrix eingebettet sind. Die Matrix umgibt dabei die Fasern, die durch Adhäsiv- oder Kohäsivkräfte an die Matrix gebunden sind. Mit derartigen Faserverbundwerkstoffen lassen sich hohe spezifische Steifigkeiten bzw. Festigkeiten erzielen bei gleichzeitig geringem Gewicht. Das Composite-Fließpressen ist dabei ein Net-shape-Verfahren mit nur einem Arbeitsschritt, welches die Verarbeitung von endlos faserverstärkten Kunststoffen mit hohem Faseranteil erlaubt. Beim Composite-Fließpressen wird ein endlos faserverstärkter Rohling über den Schmelzpunkt der Matrix erwähnt und durch axiales Pressen, axiale und radiale Verformung in die Form gepresst. Das Composite-Fließpressen zeichnet sich dabei durch eine gute funktionale Faserausrichtung sowie einen geringen Lunkergehalt der so hergestellten Bauteile aus. Darüber hinaus ist eine nach dem Composite-Fließ-Pressverfahren herstellte Kopplungseinrichtung im Vergleich zu herkömmlichen metallischen Kopplungseinrichtungen korrosionsresistent, was insbesondere im Kraftfahrzeugbau von Bedeutung ist.The The invention is based on the general idea of the coupling device not as usual made of metal, but of fiber-reinforced plastic and after the composite flow-pressing process manufacture. fiber-reinforced Plastics usually exist from the reinforcing fibers, which are embedded in a plastic matrix. The matrix surrounds the fibers, which are covered by adhesive or cohesive forces to the Matrix are bound. With such fiber composites let high specific stiffnesses or strengths can be achieved at the same time low weight. The composite extrusion is a net shape process with only one step, which the processing of endless fiber-reinforced plastics with high Fiber content allowed. In composite extrusion, an endless fiber-reinforced blank over the Melting point of the matrix mentioned and by axial pressing, axial and radial deformation in the Mold pressed. The composite extrusion is characterized due to a good functional fiber orientation and a low voids content of the components thus produced. In addition, one is after the Composite flow-pressing method produced Coupling device compared to conventional metallic coupling devices Corrosion resistant, which is particularly important in the automotive industry.
Zweckmäßig sind die Fasern des faserverstärkten Kunststoffes als Kohlefasern, Aramidfasern, Glasfasern oder dgl. ausgebildet. Kohlefasern sind industriell hergestellten Fasern aus kohlenstoffhaltigen Ausgangsmaterialien, die üblicherweise durch Pyrolyse in grafitartig angeordneten Kohlenstoff umgewandelt werden. Beim üblichen Herstellungsprozess werden 1.000 bis 24.000 Einzelkohlefasern mit jeweils einem Durchmesser von ca. 5 bis 8 μm z einem Bündel, einem sogenannten Rowing, zusammengefasst. Typisch für Kohlefasern ist dabei deren hohe Zugfestigkeit bei gleichzeitig geringem Gewicht.Are useful the fibers of the fiber reinforced Plastic as carbon fibers, aramid fibers, glass fibers or the like. educated. Carbon fibers are industrially manufactured fibers carbonaceous starting materials, usually by pyrolysis be converted into graphitic carbon. With the usual Manufacturing process will be 1,000 to 24,000 individual carbon fibers each a diameter of about 5 to 8 microns z a bundle, a so-called rowing, summarized. Typical for Carbon fibers is their high tensile strength at the same time low weight.
Zweckmäßig weist die Kopplungseinrichtung ein Außengewinde zur Befestigung an einem komplementären Innengewinde des Kraftfahrzeuges auf. Bei einer derartigen Ausführungsform wird die Kopplungseinrichtung, welche beispielsweise als Abschleppöse ausgebildet sein kann, als separates Bauteil gefertigt, welches lediglich im Abschleppfall mit dem Kraftfahrzeug fest verbunden wird. Um diese feste Verbindung herzustellen, weist die Kopplungseinrichtung besagtes Außengewinde auf, über welches die Kopplungseinrichtung in ein kraftfahrzeugseitiges Innengewinde einschraubbar ist. Vorzugsweise ist dabei die gesamte Kopplungseinrichtung aus faserverstärktem Kunststoff ausgebildet und nach dem Composite-Fließ-Pressverfahren hergestellt, wobei aber auch denkbar ist, dass insbesondere ein Gewindebereich aus Metall ausgebildet und fest mit übrigen aus faserverstärktem Kunststoff ausgebildeten Bereich der Kopplungseinrichtung verbunden ist.Appropriately points the coupling device an external thread for attachment to a complementary internal thread of the motor vehicle on. In such an embodiment is the coupling device, which is formed for example as towing can be made as a separate component, which only in the Towing the vehicle is firmly connected. To this firm Connect, the coupling means has said external thread up, over which the coupling device in a motor vehicle side internal thread can be screwed. Preferably, the entire coupling device is off fiber reinforced Plastic formed and after the composite flow-pressing process produced, but it is also conceivable that in particular a Threaded area made of metal and fixed with the rest fiber reinforced Plastic trained area of the coupling device connected is.
Bei einer weiteren vorteilhaften Ausführungsform der erfindungsgemäßen Lösung ist der Kunststoff der Kopplungseinrichtung ein Thermoplast, insbesondere ein PEEK (Polyetheretherketon). Polyetheretherketone sind hochtemperaturbeständige thermoplastische Kunststoffe mit einer Schmelztemperatur von ca. 335°C sowie einer hohen Beständigkeit gegenüber organischen und anorganischen Chemikalien. Generell lässt sich ein derartiger Kunststoff in einem bestimmten Temperaturbereich einfach (thermoplastisch) verformen, wobei dieser Vorgang reversibel ist, das heißt er kann durch Abkühlung und Wiedererwärmung bis in den schmelzflüssigen Zustand beliebig oft wiederholt werden, solange nicht durch Überhitzung die sogenannte thermische Zersetzung des Materials einsetzt.In a further advantageous embodiment of the solution according to the invention, the plastic of the coupling device is a thermo plast, in particular a PEEK (polyetheretherketone). Polyetheretherketones are high-temperature-resistant thermoplastics with a melting temperature of approx. 335 ° C and a high resistance to organic and inorganic chemicals. In general, such a plastic in a certain temperature range easily (thermoplastic) deform, this process is reversible, that is, it can be repeated as many times by cooling and reheating to the molten state, as long as not by overheating the so-called thermal decomposition of the material starts.
Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus der Zeichnung und aus der zugehörigen Figurenbeschreibung anhand der Zeichnung.Further important features and advantages of the invention will become apparent from the Dependent claims, from the drawing and the associated Description of the figures with reference to the drawing.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It it is understood that the above and the following yet to be explained features not only in the specified combination, but also in other combinations or alone, without to leave the scope of the present invention.
Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird in der nachfolgenden Beschreibung näher erläutert.One preferred embodiment The invention is illustrated in the drawing and will be described in the following Description closer explained.
Die einzige Fig. zeigt eine erfindungsgemäße Kopplungseinrichtung, welche als Abschleppöse ausgebildet ist.The only Fig. Shows a coupling device according to the invention, which designed as towing is.
In
der Fig. ist eine erfindungsgemäße Kopplungseinrichtung
An
ihrem zweiten Endbereich
Um
die bei einem Abschleppvorgang hohen auftretenden Abschleppkräfte übertragen
zu können, ist
die Kopplungseinrichtung
Durch
die Herstellung der erfindungsgemäßen Kopplungseinrichtung
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007039482.0A DE102007039482B4 (en) | 2007-08-21 | 2007-08-21 | coupling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007039482.0A DE102007039482B4 (en) | 2007-08-21 | 2007-08-21 | coupling device |
Publications (2)
Publication Number | Publication Date |
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DE102007039482A1 true DE102007039482A1 (en) | 2009-02-26 |
DE102007039482B4 DE102007039482B4 (en) | 2016-09-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102007039482.0A Active DE102007039482B4 (en) | 2007-08-21 | 2007-08-21 | coupling device |
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DE (1) | DE102007039482B4 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2959166A1 (en) * | 2010-04-27 | 2011-10-28 | Peugeot Citroen Automobiles Sa | Tow ring for use in front or rear beam of vehicle, has mooring loop with cylindrical opening that is obtained by piercing of flattened end of hollow cylinder section, where cylindrical opening is realized at center of flattened part |
CN103660817A (en) * | 2012-09-13 | 2014-03-26 | 理研精工股份有限公司 | Traction hook |
CN104228496A (en) * | 2013-06-19 | 2014-12-24 | 福特全球技术公司 | Traction element |
DE102014200722A1 (en) * | 2014-01-16 | 2015-07-16 | Bayerische Motoren Werke Aktiengesellschaft | Towing eye for attachment to a chassis of in particular a motor vehicle |
DE102017205909A1 (en) * | 2017-04-06 | 2018-10-11 | Ford Global Technologies, Llc | Towing eye for a motor vehicle and method for its production |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017220548A1 (en) | 2017-11-17 | 2019-05-23 | Ford Global Technologies, Llc | Composite trailer coupling for a motor vehicle and method for its production |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4445307C1 (en) * | 1994-12-19 | 1996-09-12 | Amsler Peter | Fibre-reinforced thermoplastics mouldings prodn. e.g. tool handle or screw, esp. for osteosynthesis |
US20080284134A1 (en) * | 2007-05-14 | 2008-11-20 | Dorian David Temple | Tow hitch hook and method of use |
-
2007
- 2007-08-21 DE DE102007039482.0A patent/DE102007039482B4/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2959166A1 (en) * | 2010-04-27 | 2011-10-28 | Peugeot Citroen Automobiles Sa | Tow ring for use in front or rear beam of vehicle, has mooring loop with cylindrical opening that is obtained by piercing of flattened end of hollow cylinder section, where cylindrical opening is realized at center of flattened part |
CN103660817A (en) * | 2012-09-13 | 2014-03-26 | 理研精工股份有限公司 | Traction hook |
CN104228496A (en) * | 2013-06-19 | 2014-12-24 | 福特全球技术公司 | Traction element |
DE102014200722A1 (en) * | 2014-01-16 | 2015-07-16 | Bayerische Motoren Werke Aktiengesellschaft | Towing eye for attachment to a chassis of in particular a motor vehicle |
DE102014200722B4 (en) | 2014-01-16 | 2022-09-08 | Bayerische Motoren Werke Aktiengesellschaft | Towing eye for attachment to a chassis, in particular of a motor vehicle |
DE102017205909A1 (en) * | 2017-04-06 | 2018-10-11 | Ford Global Technologies, Llc | Towing eye for a motor vehicle and method for its production |
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Publication number | Publication date |
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DE102007039482B4 (en) | 2016-09-01 |
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