EP2852811B1 - Dispositif et procédé d'accouplement d'un accessoire à un véhicule - Google Patents

Dispositif et procédé d'accouplement d'un accessoire à un véhicule Download PDF

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Publication number
EP2852811B1
EP2852811B1 EP13736470.9A EP13736470A EP2852811B1 EP 2852811 B1 EP2852811 B1 EP 2852811B1 EP 13736470 A EP13736470 A EP 13736470A EP 2852811 B1 EP2852811 B1 EP 2852811B1
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EP
European Patent Office
Prior art keywords
force
rotary latch
vehicle
attachment
lever
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
EP13736470.9A
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German (de)
English (en)
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EP2852811A1 (fr
Inventor
Ludwig FORSTNER
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.)
Krauss Maffei Wegmann GmbH and Co KG
Original Assignee
Krauss Maffei Wegmann GmbH and Co KG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/12—Means for clearing land minefields; Systems specially adapted for detection of landmines
    • F41H11/16—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles
    • F41H11/20—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles with ground-penetrating elements, e.g. with means for removing buried landmines from the soil
    • F41H11/22—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles with ground-penetrating elements, e.g. with means for removing buried landmines from the soil the elements being excavation buckets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/12—Means for clearing land minefields; Systems specially adapted for detection of landmines
    • F41H11/16—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles
    • F41H11/20—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles with ground-penetrating elements, e.g. with means for removing buried landmines from the soil
    • F41H11/24—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles with ground-penetrating elements, e.g. with means for removing buried landmines from the soil the elements being ploughs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/12—Means for clearing land minefields; Systems specially adapted for detection of landmines
    • F41H11/16—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles
    • F41H11/28—Self-propelled mine-clearing vehicles; Mine-clearing devices attachable to vehicles using brushing or sweeping means or dozers to push mines lying on a surface aside; using means for removing mines intact from a surface

Definitions

  • the invention relates to a device for coupling an attachment, in particular a dozer blade or a mine clearance device, to a vehicle, the device having a catch.
  • Other objects form an attachment for a vehicle and a vehicle for receiving an attachment.
  • the invention relates to a method for emergency decoupling of an attachment, in particular a dozer blade or a mine dump, from a vehicle.
  • a device and such a method are known from US 3,172,686 known.
  • the attachments are usually used to extend the functionality of the vehicles.
  • pyrotechnic emergency decoupling which are arranged directly on the pin of the attachment, while an improvement, but also can not ensure a safe emergency decoupling of the attachment.
  • the force of the pyrotechnic charge acts only briefly, on the other hand, the bolts tend to jam in the coupling device, so that the attachment is not released by the ignition of the pyrotechnic charge from the vehicle.
  • the invention is based on the US 3,172,686 , the object of which is to achieve a reliable emergency decoupling of an attachment from a vehicle.
  • This object is achieved in a device of the type mentioned by the subject of independent claim 1, wherein an acting under leverage on the rotary latch, which is biased towards the closed position of the rotary latch and the emergency decoupling of the implement is relaxed.
  • an acting under leverage on the rotary latch which is biased towards the closed position of the rotary latch and the emergency decoupling of the implement is relaxed.
  • the rotary latch By biasing the rotary latch under leverage, the rotary latch can be held in the closed position with a small force compared to the shutter force.
  • Attachment and vehicle can solve each other without jamming components of the coupling attachment and vehicle together. To open the catch and thus to separate the vehicle and attachment, it may be sufficient to take the biasing force of the catch.
  • the locking device has a toggle lever.
  • the toggle lever serves to reinforce the force acting on the rotary latch. With a toggle, a high power gain is achieved in a small space.
  • the toggle may have two hingedly connected legs. Favor both legs of the toggle lever are the same length.
  • the rotary latch has a first holding element movable from an open position into the closed position and a second, in particular device-fixed holding element for holding the bolt in the rotary latch.
  • the holding elements Preferably, the holding elements only round receiving surfaces for holding a round cylindrical bolt.
  • the bolt may be formed as a square. In this case, the rotary latch could be designed such that it can absorb moments.
  • a lever in particular a toggle lever, engages the movable holding element of the rotary latch.
  • the other leg of the toggle lever engages a rigid part of the device.
  • the legs may be arranged horizontally, vertically or diagonally in the device. If both holding elements are designed to be movable, it is advantageous if each one leg of the toggle lever acts on a holding element. Alternatively, however, a toggle can also act on each retaining element.
  • the angle between the two legs of the toggle lever in the closed position of the rotary latch is between 160 degrees and 180 degrees.
  • the angle is between 170 degrees and 180 degrees, more preferably between 175 degrees and 180 degrees.
  • the reinforcing effect of the toggle lever increases the more, the more the angle between the legs approaches 180 degrees.
  • the rotary latch and / or a lever, in particular a toggle lever in the closed position of the rotary latch has a stop which ensures a predetermined clearance between the two holding elements and a bolt to be held therein. On the one hand this ensures a simple connection and disconnection of vehicle and hitch by passing or pulling the bolt into the catch during normal coupling and uncoupling.
  • the closing device has a force-generating device for generating the leverage.
  • the force-generating device provides the biasing force for the catch.
  • the force-generating device it has proved to be advantageous for the force-generating device to have a spring and / or a screw element.
  • the spring and / or the screw allow a very precise adjustment of the force acting on the lever and thus on the rotary latch force.
  • the spring of the force-generating element is designed as a compression spring.
  • the force-generating device acts in the region of a joint between the legs of the toggle lever on the toggle.
  • the direction of action of the force-generating device is orthogonal to a connecting line, which by the two outer articulation points or joints of the legs of the toggle lever runs.
  • the force-generating device and or the catch is substantially protected in the device is received.
  • the Device have a housing.
  • the housing protects the force-generating device and / or the knee lever, in particular laterally, from environmental influences and / or mechanical action from the outside.
  • the housing may in particular be formed by side walls of the device.
  • the side walls at the same time also form, in particular, rigid retaining elements of the rotary latch.
  • the power flow between the force-generating device and the rotary latch can be interrupted, canceled, in particular mechanically or explosively.
  • the action of the force-generating device can be lifted on the catch in the direction of the closed position.
  • the power flow is pyrotechnic interruptible.
  • the biasing force can be taken from the catch, so that it can open without resistance.
  • the power flow is interrupted by the destruction of the force-generating device.
  • a cutting charge may be provided in the force-generating device, which destroys the force-generating device and thus eliminates the bias of the catch.
  • the force flow can be interrupted by the kinking of a spring present in the force-generating device, in this way canceling the biases of the rotary latch.
  • the power flow between the force-generating device and the rotary latch can be interrupted or canceled by interrupting at least one connection between the force-generating device and the device or is separated, for example, by removing a bearing pin.
  • the bearing pin can be removed by motor or manually.
  • a cutting load can also destroy or release an anchorage of the force-generating device and thereby cancel the bias of the rotary latch.
  • the force-generating device may continue to be connected to the lever or the catch without, however, continue to exert force, for example in the case of a spring as kraftenddem element by relaxation of the spring.
  • the force-generating device has at least one of the following elements: a screw head, a threaded portion, a tapered cylindrical portion with a cutting charge and / or a spring.
  • the spring is guided for kink protection in a sleeve or a pot closed on one side.
  • the outer diameters of all sections on one side of the threaded section are smaller than the inner diameter of the threaded section.
  • the locking device is manually, motor-driven and / or remotely controlled. In this way, the emergency decoupling of the crew of the vehicle from the protected area of the vehicle can be made.
  • an attachment and / or vehicle of the type mentioned is proposed to solve the above problem, which has at least one, preferably two, devices of the type already described, so that the advantages already described arise.
  • the attachment or vehicle has two devices and the devices are arranged so that the central axis of the male in the devices bolt is located on a straight line.
  • the device is arranged on the attachment and / or vehicle, that the movable holding element is arranged above the device-fixed holding element.
  • the attachment and / or the vehicle may have an interface to the hydraulic and / or electrical supply of the attachment by the vehicle. These interfaces or connections can be achieved in emergency decoupling in the manner known from the prior art. Also, interfaces for controlling the attachment from the vehicle may be provided.
  • the catch is held in a closed position before decoupling via a lever, in particular toggle lever.
  • the lever amplifies the force with which the catch is held in a closed position.
  • the power flow between the rotary latch and a force-generating device is interrupted for emergency decoupling.
  • the bias of the catch is released, so that can be easily decoupled vehicle and implement.
  • the force-generating device is destroyed to interrupt the power flow, in particular mechanically or explosively, particularly preferably pyrotechnic.
  • the destruction of the force-generating device the biasing force is released on the catch, so that they open and can release the bolt. Mechanically, this can be done for example by a deliberately induced kinking of an existing in the force-generating device spring. Explosive, in particular pyrotechnic, the force-generating device can be destroyed for example by a cutting charge in the force-generating device.
  • Fig. 1 shows vehicle 2 coupling points at which external attachments 3 of different types can be coupled to the vehicle 2. Due to the possibility of coupling different tools, the range of application and the functional range of vehicles 2 can be flexibly adapted to different tasks.
  • the attachments and / or the vehicle may also have additional interfaces for the hydraulic and / or electrical supply of the attachment by the vehicle. Additionally or alternatively, a control interface between the attachment and the vehicle may be provided, so that the attachment can be controlled from the vehicle.
  • vehicle 2 is coupled to an attachment 3 for soil or earthworks.
  • attachment 3 is a plow blade 4.
  • a mine clearance equipment such as a mine plowing could be coupled to the same coupling points.
  • the coupling points and thus the attachments 3 can also be arranged at the rear of the vehicle 2 or, for example, on the roof of the vehicle 2.
  • coupling points have, in addition to the mechanical coupling points, additional interfaces for electrics and / or hydraulics for supplying the attachment and control interfaces to the attachment 3.
  • the implements 3 may have additional facilities that extend their range of functions. These may be, for example, sensors for controlling and / or operating the device or else headlights which can additionally illuminate the working area of the attachment 3.
  • Fig. 2 shows the device in a perspective plan view.
  • the device 1 has a rotary latch 5 and a locking device 10.
  • the rotary latch 5 has a first holding element 6 which is movable from an open position to a closed position and a second holding element 7 which is resistant to action.
  • the movable holding element 6 is mounted pivotably in the device-fixed holding element 7 via a hinge pin 8.
  • the rotary latch 5 is in a closed position and comprises a bolt 9.
  • the holding elements 6, 7 of the device 1 shown are trained in the manner of a Doppelgreifers. They each have two holding surfaces.
  • the rotary latch 5 has a stop 30, abuts the movable support member 6 in a closed position of the rotary latch 5.
  • the stop 30 ensures that the rotary latch 5 encloses the pin 9, but this does not jam.
  • the locking device 10 has a lever and a force-generating element 20.
  • the force-generating element 20 acts on the lever on the movable support member 6 and holds in this way the catch 5 in a closed position. By the lever, it is possible to unlock the catch 5 away from the bolt 9 to be held by the force-generating element 20.
  • the locking device 10 is, as in Fig. 2 clearly visible, protected by side walls 18, 19 arranged inside the device 1.
  • the side walls 18, 19 form a kind of housing for protecting the force-generating device 20 and the toggle lever 11.
  • the side walls 18, 19 are integrally formed as a device-fixed holding elements 7.
  • the toggle 11 is formed by two articulated legs 12, 13.
  • the legs 12, 13 are substantially the same length.
  • a leg 12 is pivotally connected via the hinge 15 with the movable support member 6.
  • the other leg 13 is connected via the hinge 16 with a device-fixed part of the device 1.
  • a side wall 18, 19 which at the same time integrally forms a device-fixed holding element 7.
  • the legs 12, 13 of the toggle lever are arranged almost horizontally in the device, as the Figures 3 . 4 . 8th and 9 demonstrate.
  • the toggle can also be arranged horizontally or diagonally in the device.
  • a leg 13 has a U-shaped end formed. In this U-shaped end of the other leg 12 of the toggle lever 11 is pivotally received. On the other leg 12, a curved stop surface 17 for the force-generating element 20 is formed in the region of the joint 14 with the leg.
  • the lever ratio of the toggle lever 11 is dependent on the angle A formed by the legs 12, 13. The more the angle A approaches 180 degrees, the more the toggle lever 11 amplifies the force of the force-generating element 20.
  • the force-generating element 20 extends in its longitudinal direction from the stop 17 on the knee lever to its attachment to a device-fixed point of the device 1. In the first embodiment shown, the force-generating element 20 is screwed into the device 1. The extension of the longitudinal axis of the force-generating element 20 leads substantially centrally through the joint 14, through which the two legs 12, 13 of the toggle lever 11 are hinged together. The longitudinal axis of the force-generating element 20 is also formed orthogonal to the connecting line of the two outer articulation points of the toggle lever 11.
  • the force-generating element 20 has a portion 21 for engaging a tool, to which a threaded portion 22 is adjacent. These are followed by a tapered section 23 with a cutting charge 24 at.
  • the tapered portion 23 is adjoined by a wider portion 25 before a rejuvenated portion 26 terminates the bolt-like member of the force-generating device 20.
  • the latter tapered portion 26 serves to receive a spring 27.
  • the spring 27 is guided in a sleeve 28, the movement of which is guided over the wider portion 25.
  • the sleeve 28 serves to kink protection of the spring 27.
  • the sleeve 28 is closed on one side and thus pot-shaped.
  • the outer diameter of the sleeve is smaller than the inner diameter diameter of the threaded portion, so that the force-generating element can be inserted and screwed into the device from the outside of the device.
  • the rotary latch 5 surrounds the bolt 9.
  • the movable support member 6 is held by the force amplification of the toggle lever 11 of the force-generating element 20 in the closed position.
  • the force-generating element 20 is screwed into a device-fixed portion of the device 1 and presses with a spring 27 against the stop 17 of the toggle lever eleventh
  • the cutting charge 24 in the force-generating element 20 can be ignited, for example, by remote control from the interior of the vehicle 2. This separates the rejuvenated section 23, as in Fig. 5 and 6 can be seen and the force-generating element 20 is thereby destroyed.
  • the power flow through the toggle lever 11 is interrupted to the movable support member 6.
  • the catch 5 is no longer biased and easy to open.
  • the opening of the rotary latch 5 is due to the dead weight of the attachment 3 and the attachment 3 slides from the bolt 9 from.
  • the coupling between the vehicle 2 and attachment 3 is repealed.
  • the force-generating element 20 is, as can be clearly seen in the figures, designed as a spring 29.
  • the spring 29 is designed as a compression spring. It is connected at one end to a device-fixed part of the device 1 and engages with its other end in the region of the central joint 14 between the legs 12, 13 of the toggle lever 11. In this way, the spring 29 biases the rotary latch 5 over the toggle lever 11 in its closed position.
  • the second embodiment also has, as in the 8 to 11 to see a stop 30, which ensures that the bolt 9 is not clamped in the closed position of the rotary latch 5 of this. In this way, a simple mounting of an attachment 3 on a vehicle 2 by inserting or pulling out of the bolt 9 is ensured.
  • a stop 30 may also be provided on the knee lever 11, which also results in that the pin 9 is not clamped.
  • the device according to the second embodiment can be emergency opened in various ways.
  • the force-generating element 20, in the present case the spring 29, can be released from the device 1 at one end.
  • the bearing pin 31, 32 with which the force-generating element 20 is connected to the device 1.
  • the bearing pin 32 is removed, which connects the force-generating element 20 remote from the toggle lever 11 end with the device 1.
  • the power flow from the force-generating element 20 is lifted to the rotary latch 5.
  • the power flow would be interrupted.
  • the bearing pins 31, 32 can be removed manually or by hand for emergency opening.
  • the side walls 18, 19 in the region of the bearing pins 31, 32 have an opening. In the Fig. 8 the breakthrough is formed as a hole 33.
  • the device 1 described above, as well as the attachment 3 described above, as well as the vehicle 2 described above and the above-described method for coupling and emergency decoupling of an attachment 3 from a vehicle 2 are characterized in particular by a simple opening by the rotary latch 5 and ensure safe, low-force emergency decoupling.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Lock And Its Accessories (AREA)

Claims (11)

  1. Dispositif d'accouplement d'un accessoire (3), en particulier d'un bouclier de déblayage (4) ou d'un appareil de déminage, à un véhicule (2) avec un pêne tournant (5) et
    un dispositif de fermeture (10) agissant par une force de levier sur le pêne tournant (5), et qui est précontraint en direction de la position de fermeture du pêne tournant (5),
    dans lequel le dispositif est configuré de telle manière que pour le découplage d'urgence le flux de force entre un dispositif de production de force (20) et le pêne tournant (5) puisse être interrompu ou supprimé,
    dans lequel le dispositif de fermeture (10) présente un levier à genouillère (11), dans lequel le levier à genouillère (11) présente deux branches (12, 13) reliées l'une à l'autre de façon articulée,
    dans lequel l'angle (A) entre les deux branches (12, 13) du levier à genouillère (11) dans la position de fermeture du pêne tournant (5) vaut entre 160 degrés et 180 degrés,
    dans lequel le pêne tournant (5) présente deux éléments de maintien (6, 7), dans lequel le pêne tournant (5) et/ou le levier à genouillère (11) présente une butée (30), qui assure un jeu prédéterminé entre les deux éléments de maintien (6, 7) et un axe (8) devant y être maintenu, et
    dans lequel on assure au moyen de la butée (30) que le levier à genouillère (11) n'est pas fléchi.
  2. Dispositif selon la revendication 1, caractérisé en ce que le pêne tournant (5) présente un premier élément de maintien (6) mobile d'une position d'ouverture à la position de fermeture et un second élément de maintien (7), en particulier fixe sur le dispositif, pour le maintien d'un axe dans le pêne tournant (5).
  3. Dispositif selon la revendication 2, caractérisé en ce qu'un levier, en particulier un levier à genouillère (11), agit sur l'élément de maintien mobile (6) du pêne tournant (5).
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de fermeture (10) présente le dispositif de production de force (20), en particulier un ressort (27, 29) et/ou un élément à vis (22) pour la production de la force de levier.
  5. Dispositif selon la revendication 4, caractérisé en ce que le dispositif de production de force (20) agit sur le levier à genouillère (11) dans la région d'une articulation entre les branches (12, 13) du levier à genouillère (11).
  6. Dispositif selon la revendication 4 ou 5, caractérisé en ce que pour le découplage d'urgence le flux de force entre le dispositif de production de force (20) et le pêne tournant (5) peut être interrompu ou supprimé de façon mécanique ou par explosion.
  7. Accessoire pour un véhicule (2) et/ou véhicule destiné à recevoir un accessoire (3), caractérisé par au moins un, de préférence deux dispositif(s) (1) selon l'une quelconque des revendications 1 à 6.
  8. Procédé de découplage d'urgence d'un accessoire (3), en particulier d'un bouclier de déblayage (4) ou d'un appareil de déminage, d'un véhicule (2) au moyen d'un dispositif selon l'une quelconque des revendications précédentes,
    dans lequel on détend un dispositif de fermeture (5) agissant sur un pêne tournant (5) par une force de levier, dans lequel pour le découplage d'urgence on interrompt ou on supprime le flux de force entre le pêne tournant (5) et un dispositif de production de force (20) et on découple ainsi l'accessoire (3) du véhicule (2).
  9. Procédé selon la revendication 8, caractérisé en ce que pour interrompre le flux de force on détruit le dispositif de production de force (20), en particulier de façon mécanique ou par explosion.
  10. Procédé selon une des revendications 8 ou 9, caractérisé en ce que l'on interrompt le flux de force de façon manuelle, motorisée et/ou télécommandée.
  11. Procédé selon l'une quelconque des revendications 8 à 10, caractérisé en ce que lors d'un découplage d'urgence le pêne tournant (5) s'ouvre par le poids propre de l'accessoire (3) et/ou du véhicule (2) et on découple l'accessoire (3) du véhicule (2).
EP13736470.9A 2012-05-22 2013-05-21 Dispositif et procédé d'accouplement d'un accessoire à un véhicule Active EP2852811B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210104397 DE102012104397B4 (de) 2012-05-22 2012-05-22 Vorrichtung und Verfahren zum Koppeln von einem Anbaugerät an einem Fahrzeug
PCT/DE2013/100185 WO2013174372A1 (fr) 2012-05-22 2013-05-21 Dispositif et procédé d'accouplement d'un accessoire à un véhicule

Publications (2)

Publication Number Publication Date
EP2852811A1 EP2852811A1 (fr) 2015-04-01
EP2852811B1 true EP2852811B1 (fr) 2019-03-06

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Application Number Title Priority Date Filing Date
EP13736470.9A Active EP2852811B1 (fr) 2012-05-22 2013-05-21 Dispositif et procédé d'accouplement d'un accessoire à un véhicule

Country Status (4)

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EP (1) EP2852811B1 (fr)
CA (1) CA2874404A1 (fr)
DE (1) DE102012104397B4 (fr)
WO (1) WO2013174372A1 (fr)

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Publication number Priority date Publication date Assignee Title
GB2521178B (en) 2013-12-11 2021-05-05 Pearson Eng Ltd A demountable vehicle implement
DE102019125861A1 (de) * 2019-09-25 2021-03-25 Lehnhoff Hartstahl Gmbh Schnellwechsler
CN111912299B (zh) * 2020-08-31 2022-06-28 重庆元韩汽车技术设计研究院有限公司 一种用于扫雷辊的连接机构
CN112432558A (zh) * 2020-10-23 2021-03-02 重庆长安工业(集团)有限责任公司 一种扫雷辊用主动脱离装置

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GB0101663D0 (en) * 2001-01-23 2001-03-07 Scott Peter W Hydro mechanical clamp
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FR2939366B1 (fr) 2008-12-10 2011-02-04 Mbda France Dispositif de liaison mecanique entre un vehicule motorise et un materiel de travail

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Publication number Publication date
DE102012104397B4 (de) 2014-03-13
CA2874404A1 (fr) 2013-11-28
DE102012104397A1 (de) 2013-11-28
EP2852811A1 (fr) 2015-04-01
WO2013174372A1 (fr) 2013-11-28

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