EP1150090B1 - Device for opening and closing the cover of a sliding hatch of an armoured vehicle, in particular a tank - Google Patents
Device for opening and closing the cover of a sliding hatch of an armoured vehicle, in particular a tank Download PDFInfo
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- EP1150090B1 EP1150090B1 EP01109810A EP01109810A EP1150090B1 EP 1150090 B1 EP1150090 B1 EP 1150090B1 EP 01109810 A EP01109810 A EP 01109810A EP 01109810 A EP01109810 A EP 01109810A EP 1150090 B1 EP1150090 B1 EP 1150090B1
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- clamp
- housing
- inner ring
- outer ring
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- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000000314 lubricant Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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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
- F41H5/00—Armour; Armour plates
- F41H5/22—Manhole covers, e.g. on tanks; Doors on armoured vehicles or structures
- F41H5/223—Manhole covers specially adapted for armoured or fighting vehicles
Definitions
- the invention relates to a device for opening and closing the hatch cover of a sliding hatch on a combat vehicle, in particular a main battle tank with the features of the preamble of the protection claim. 1
- Document GB 482091 discloses a pinch roller torque lock arranged in the housing of a gearbox. It serves as an automatic braking and locking device and has a fixedly connected to the housing outer ring in which an inner ring is rotatably mounted, which is positively connected to an output element. In a nip between the inner ring and outer ring two pairs of clamping rollers are arranged, the Klenunrollen be pressed under the action of compression springs in a clamping position in which the output element is locked.
- a drive element has actuating pins which, depending on the direction of rotation of the drive element under the action of the torque in each case press a pinch roller of each pair of pinch rollers against the force of the compression spring in a release position.
- an automatic braking and locking device in such a device is extremely important for safety reasons, since, so as not to endanger the operator, the heavy hatch cover a Schiebeluke in any position even with an external force, which may be caused for example by an inclination of the combat vehicle, may not perform any unwanted intrinsic movements and in particular may never fall under its own weight by itself.
- the hatch cover should be able to be opened and closed by means of a manual actuator even with larger slopes of the combat vehicle with reasonable effort and can be both from the interior of the vehicle and from the outside.
- the invention has the object of providing a device with the features of the preamble of claim 1 in such a way that it is less expensive with reduced installation space, in which all waves, including the drive and output shafts are parallel and at high security a good Efficiency guaranteed.
- the basic idea of the invention is to use, instead of a self-locking worm drive as an automatic braking and locking device, a pinch roller torque lock which has hitherto not been used in such devices because it was considered that it does not have the necessary safety and functionality.
- a pinch roller load moment lock can be used when care is taken that the clamping angle is within a predetermined range above the usual clamping angle range and the pinch rollers are loaded by the springs with a sufficiently high total force.
- the clamping roller load torque lock then has the advantage that it has a high efficiency in propulsion due to the positive motion transmission and only the output element is locked or braked safely if necessary safely. Furthermore, it has the advantage that its function is translation-independent and it can be arranged on the drive side of the drive, which in turn means that it can be made small. Finally, it does not need to be absorbed high axial forces. The stronger springing of the pinch rollers ensures a secure frictional engagement, even under difficult conditions such as vibrations, shocks, low temperatures and leading loads.
- the output shaft is designed as a hollow shaft through which the drive shaft is passed.
- the device shown in FIGS. 1 to 5 essentially consists of a spur gear with an upstream pinch roller load moment lock.
- a drive shaft 9 is passed so that its two ends 9.1 and 9.2 are arranged on both sides of the transmission.
- actuating device such as a hand crank or a handwheel attachable.
- the drive shaft 9 is directly connected to a pinch roller load moment lock, which will be explained in more detail below.
- the drive shaft 9 has a disposed inside the housing inner flange 9.3, which is opposite to a fixedly connected to the housing 1 outer ring 2 and disposed within the outer ring 2 inner ring 3.
- the inner ring 3 is rotatably mounted relative to the outer ring 2.
- the inner ring 3 is positively connected to an output shaft, which is designed as a hollow shaft 4, through which the drive shaft 9 is passed.
- the hollow shaft 4 is mounted on the drive shaft 9 via needle bearings 13 and 13.1 and in the housing 1 via ball bearings 12.1 and the drive shaft 9 is mounted on ball bearings 12 in the housing 1.
- two pinch roller pairs 6.1, 6.2 and 7.1, 7.2 are arranged in the nip 5 between the inner ring 3 and outer ring 2, in such a way that they face each other with respect to the rotational axis D of the inner ring 3 diametrically.
- Each of the pinch rollers 6.1, 6.2, 7.1 and 7.2 is under the action of two juxtaposed compression springs, of which in Fig. 5, the compression springs 8.1 to 8.4 are visible, through which it is pressed into a clamping position, in which the inner ring 3 and thus the output member representing hollow shaft 4 are locked by the clamping action against rotation.
- the inner flange 9.3 of the drive shaft 9 is on the one hand via arranged on the inner ring 3 driving pins 10.1 and 10.2, which engage with play in holes 10.3 and 10.4 of the inner flange 9.3, coupled with this and on the other hand, it has actuation pins 11.1 and 11.2, which protrude into the nip 5 and each press a pinch roller 6.1 and 7.1 or 6.2 and 7.2 of each pair of pinch rollers against the force of the compression springs in a release position. In order for the action of a driving torque, the rotation of the inner ring 3 and thus the hollow shaft 4 is released.
- the geometric conditions between the outer ring 2, inner ring 3 and the clamping rollers 6.1, 6.2, 7.1, 7.2 are chosen such that the clamping angle is in the range between 4.5 ° and 7 °. Particularly advantageous is a clamping angle of 5.75 ° has been found.
- the drive shaft 9 and the hollow shaft 4 with radial shaft sealing rings 15, 15.1, 15.2 are sealed relative to the housing 1 and the outer ring 2.
- the housing 1 is a known, automatic locking and unlocking device for the hatch cover is arranged with a locking bolt 17, under the action of a compression spring 17.1 controlled by a cooperating with a cam bar on the hatch cover control 18th the hatch cover in the closed position and the open position additionally locked and unlocked.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Closures For Containers (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Braking Arrangements (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Öffnen und Schließen des Lukendeckels einer Schiebeluke an einem Kampffahrzeug, insbesondere einem Kampfpanzer mit den Merkmalen aus dem Oberbegriff des Schutzanspruchs 1.The invention relates to a device for opening and closing the hatch cover of a sliding hatch on a combat vehicle, in particular a main battle tank with the features of the preamble of the protection claim. 1
Schiebeluken an Kampffahrzeugen mit einer derartigen Vorrichtung zum Öffnen und Schließen des Lukendeckels sind bekannt und beispielsweise in DE 42 40 140 A1, das eine Basis für den Oberbegriff des Anspruchs 1 bildet, und DE 195 04 922 A 1 beschrieben.Sliders on combat vehicles with such a device for opening and closing the hatch cover are known and described for example in DE 42 40 140 A1, which forms a basis for the preamble of
In dem Dokument GB 482091 ist eine im Gehäuse eines Getriebes angeordnete Klemmrollen-Lastmomentsperre geoffenbart. Sie dient als automatische Brems- und Arretiervorrichtung und besitzt einen fest mit dem Gehäuse verbundenen Außenring, in welchem ein Innenring drehbar gelagert ist, der formschlüssig mit einem Abtriebselement verbunden ist. In einem Klemmspalt zwischen Innenring und Außenring sind zwei Klemmrollenpaare angeordnet, dessen Klenunrollen unter der Wirkung von Druckfedern in eine Klemmstellung gedrückt werden, in welcher das Abtriebselement gesperrt ist. Ein Antriebselement besitzt Betätigungsstifte, welche in Abhängigkeit von der Drehrichtung des Antriebselements unter Einwirkung des Drehmoments jeweils eine Klemmrolle jedes Klemmrollenpaares gegen die Kraft der Druckfeder in eine Freigabestellung drücken.Document GB 482091 discloses a pinch roller torque lock arranged in the housing of a gearbox. It serves as an automatic braking and locking device and has a fixedly connected to the housing outer ring in which an inner ring is rotatably mounted, which is positively connected to an output element. In a nip between the inner ring and outer ring two pairs of clamping rollers are arranged, the Klenunrollen be pressed under the action of compression springs in a clamping position in which the output element is locked. A drive element has actuating pins which, depending on the direction of rotation of the drive element under the action of the torque in each case press a pinch roller of each pair of pinch rollers against the force of the compression spring in a release position.
Eine Aussage über die Größe des Klemmwinkels und über die Auslegung der Druckfedern ist in dem Dokument nicht gemacht.A statement about the size of the clamping angle and the interpretation of the compression springs is not made in the document.
Die Anordnung einer automatischen Brems- und Arretiervorrichtung in einer derartigen Vorrichtung ist aus Sicherheitsgründen außerordentlich wichtig, da, um das Bedienungspersonal nicht zu gefährden, der schwere Lukendeckel einer Schiebeluke in jeder beliebigen Position auch bei einer äußeren Krafteinwirkung, die beispielsweise durch eine Schrägstellung des Kampffahrzeugs verursacht sein kann, keine unerwünschten Eigenbewegungen ausführen darf und insbesondere niemals unter seinem Eigengewicht von selbst zufallen darf. Andererseits soll der Lukendeckel mittels einer manuellen Betätigungsvorrichtung auch bei größeren Schräglagen des Kampffahrzeugs mit zumutbarem Kraftaufwand geöffnet und geschlossen werden können und zwar sowohl aus dem Innenraum des Fahrzeugs als auch von außen.The arrangement of an automatic braking and locking device in such a device is extremely important for safety reasons, since, so as not to endanger the operator, the heavy hatch cover a Schiebeluke in any position even with an external force, which may be caused for example by an inclination of the combat vehicle, may not perform any unwanted intrinsic movements and in particular may never fall under its own weight by itself. On the other hand, the hatch cover should be able to be opened and closed by means of a manual actuator even with larger slopes of the combat vehicle with reasonable effort and can be both from the interior of the vehicle and from the outside.
Bisher wurde bei derartigen Vorrichtungen als automatische Brems- und Arretiervorrichtung ein innerhalb des Untersetzungsgetriebes auf der Abtriebsseite angeordneter selbsthemmender Schneckentrieb eingesetzt. Dieser hat jedoch den Nachteil, daß die Konstruktion relativ teuer wird und einen großen Einbauraum erfordert, daß beim Schneckentrieb keine parallelen Wellen vorhanden sind und Axialkräfte aufgenommen werden müssen. Weiterhin hat, bedingt durch den kleinen Steigungswinkel, der selbsthemmende Schneckentrieb einen äußerst geringen Wirkungsgrad im Vortrieb und bedingt somit erhöhte Antriebsleistungen. Ein maximaler Wirkungsgrad wird nur erreicht, wenn größere Abmessungen verwendet werden, eine aufwendige Einlaufprozedur vorgenommen wird und relativ hohe Antriebsdrehzahlen realisiert sind. Zudem muß konstruktiv die hohe und oftmals unerwünschte Übersetzung ins Langsame berücksichtigt werden.So far, in such devices as an automatic braking and locking device disposed within the reduction gear on the output side self-locking worm drive was used. However, this has the disadvantage that the construction is relatively expensive and requires a large installation space that the worm drive no parallel waves are present and axial forces must be absorbed. Furthermore, due to the small pitch angle, the self-locking worm drive has a very low efficiency in propulsion and thus requires increased drive power. A maximum efficiency is only achieved if larger dimensions are used, a complex intake procedure is carried out and relatively high drive speeds are realized. In addition, the high and often unwanted translation into the slow must be considered constructively.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung mit den Merkmalen aus dem Oberbegriff des Patentanspruchs 1 so auszubilden, daß sie bei verringertem Einbauraum weniger kostspielig ist, bei der alle Wellen, einschließlich der Antriebs- und Abtriebswelle parallel verlaufen und die bei hoher Sicherheit einen guten Wirkungsgrad garantiert.The invention has the object of providing a device with the features of the preamble of
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den Merkmalen aus dem kennzeichnenden Teil des Schutzanspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen beschrieben.The solution of this object is achieved according to the invention with the features of the characterizing part of the
Der Grundgedanke der Erfindung besteht darin, anstelle eines selbsthemmenden Schneckentriebs als automatische Brems- und Arretiervorrichtung eine Klemmrollen-Lastmomentsperre zu verwenden, die bisher bei derartigen Vorrichtungen nicht eingesetzt wurde, weil man der Auffassung war, daß sie die notwendige Sicherheit und Funktionstüchtigkeit nicht aufweise. Es hat sich aber überraschenderweise herausgestellt, daß eine Klemmrollen-Lastmomentsperre einsetzbar ist, wenn dafür Sorge getragen wird, daß der Klemmwinkel innerhalb eines vorgegebenen Bereiches oberhalb des üblichen Klemmwinkelbereiches liegt und die Klemmrollen durch die Druckfedern mit einer genügend hohen Gesamtkraft belastet werden.The basic idea of the invention is to use, instead of a self-locking worm drive as an automatic braking and locking device, a pinch roller torque lock which has hitherto not been used in such devices because it was considered that it does not have the necessary safety and functionality. However, it has surprisingly been found that a pinch roller load moment lock can be used when care is taken that the clamping angle is within a predetermined range above the usual clamping angle range and the pinch rollers are loaded by the springs with a sufficiently high total force.
Die Klemmrollen-Lastmomentsperre hat dann den Vorteil, daß sie im Vortrieb aufgrund der formschlüssigen Bewegungsübertragung einen hohen Wirkungsgrad aufweist und nur das Abtriebselement im Bedarfsfall reibschlüssig sicher arretiert bzw. gebremst wird. Weiterhin hat sie den Vorteil, daß ihre Funktion übersetzungsunabhängig ist und sie auf der Antriebsseite des Gebtriebes angeordnet werden kann, was wiederum dazu führt, daß sie klein dimensioniert werden kann. Schließlich brauchen bei ihr keine hohen Axialkräfte aufgenommen zu werden. Durch die stärkere Anfederung der Klemmrollen wird, selbst bei erschwerten Bedingungen, wie Vibrationen, Stößen, tiefen Temperaturen und voreilenden Lasten ein sicherer Reibschluß gewährleistet.The clamping roller load torque lock then has the advantage that it has a high efficiency in propulsion due to the positive motion transmission and only the output element is locked or braked safely if necessary safely. Furthermore, it has the advantage that its function is translation-independent and it can be arranged on the drive side of the drive, which in turn means that it can be made small. Finally, it does not need to be absorbed high axial forces. The stronger springing of the pinch rollers ensures a secure frictional engagement, even under difficult conditions such as vibrations, shocks, low temperatures and leading loads.
Durch die Parallelführung von Antriebswelle und Abtriebswelle ist es möglich, die Antriebswelle durch das Gehäuse hindurchzuführen, so daß an beiden Enden eine Betätigungsvorrichtung anschließbar und somit eine Betätigung aus dem Fahrzeuginneren und von außen möglich ist. Die Abtriebswelle wird als Hohlwelle ausgebildet, durch welche die Antriebswelle hindurchgeführt ist.Due to the parallel guidance of drive shaft and output shaft, it is possible to drive through the shaft Pass the housing through, so that an actuator connected at both ends and thus an operation from the vehicle interior and from the outside is possible. The output shaft is designed as a hollow shaft through which the drive shaft is passed.
Weiterhin hat es sich als vorteilhaft erwiesen, wenn zwischen Innenring und Außenring der Klemmrollen-Lastmomentsperre zwei Klemmrollenpaare derart angeordnet sind, daß sie in bezug auf die Drehachse des Innenrings einander diametral gegenüberliegen. Hiermit wird eine einseitige Biegebeanspruchung der Antriebswelle vermieden.Furthermore, it has proved to be advantageous if two pairs of clamping rollers are arranged between the inner ring and outer ring of the pinch roller load torque lock in such a way that they face each other diametrically with respect to the axis of rotation of the inner ring. This is a one-sided bending stress of the drive shaft is avoided.
Im folgenden wird anhand der beigefügten Zeichnungen ein Ausführungsbeispiel für eine Vorrichtung nach der Erfindung näher erläutert.In the following an embodiment of a device according to the invention will be explained in more detail with reference to the accompanying drawings.
In den Zeichnungen zeigen:
- Fig. 1 eine Vorrichtung zum Öffnen und Schließen des Lukendeckels einer Schiebeluke von außen in einer Draufsicht;
- Fig. 2 die Vorrichtung nach Fig. 1 in einer Seitenansicht;
- Fig. 3 einen Schnitt durch die Vorrichtung nach Fig. 1 nach der Linie A-G;
- Fig. 4 einen Schnitt durch die Vorrichtung nach Fig. 1 nach der Linie M-M;
- Fig. 5 einen vergrößerten Teilschnitt nach der Linie K-K in Fig. 2.
- 1 shows a device for opening and closing the hatch cover of a sliding hatch from the outside in a plan view.
- FIG. 2 shows the device according to FIG. 1 in a side view; FIG.
- FIG. 3 shows a section through the device according to FIG. 1 along the line AG; FIG.
- FIG. 4 shows a section through the device according to FIG. 1 along the line MM; FIG.
- 5 is an enlarged partial section along the line KK in Fig. 2nd
Es werden im folgenden von den in den Fig. 1 bis 5 dargestellten Bauteilen nur diejenigen näher erläutert, die für die Funktionsweise der Vorrichtung, insbesondere der Klemmrollen-Lastmomentsperre von besonderer Bedeutung sind. Die Schiebeluke selbst mit dem Lukendeckel und der am Lukendeckel angeordneten Zahnstange sind nicht dargestellt. Bezüglich dieser Ausbildung wird auf DE 42 40140 A1 und DE 195 04 922 A1 verwiesen.In the following, only those components which are described in detail for the functioning of the device, in particular of the components shown in FIGS the pinch roller load torque lock are of particular importance. The sliding hatch itself with the hatch cover and arranged on the hatch cover rack are not shown. With regard to this training reference is made to DE 42 40140 A1 and DE 195 04 922 A1.
Die in den Fig. 1 bis 5 dargestellte Vorrichtung besteht im wesentlichen aus einem Stirnradgetriebe mit einer vorgeschalteten Klemmrollen-Lastmomentsperre.The device shown in FIGS. 1 to 5 essentially consists of a spur gear with an upstream pinch roller load moment lock.
Durch das Getriebegehäuse 1 ist eine Antriebswelle 9 so hindurchgeführt, daß ihre beiden Enden 9.1 und 9.2 zu beiden Seiten des Getriebes angeordnet sind.Through the
Auf diese Enden 9.1 und 9.2 ist eine nicht dargestellte Betätigungsvorrichtung, beispielsweise eine Handkurbel oder ein Handrad aufsteckbar.At these ends 9.1 and 9.2 is not shown actuating device, such as a hand crank or a handwheel attachable.
Die Antriebswelle 9 ist unmittelbar mit einer Klemmrollen-Lastmomentsperre verbunden, die im folgenden näher erläutert wird.The
Hierzu besitzt die Antriebswelle 9 einen innerhalb des Gehäuses angeordneten Innenflansch 9.3, dem ein mit dem Gehäuse 1 fest verbundener Außenring 2 sowie ein innerhalb des Außenrings 2 angeordneter Innenring 3 gegenüberliegt. Der Innenring 3 ist gegenüber dem Außenring 2 verdrehbar gelagert. Der Innenring 3 ist formschlüssig mit einer Abtriebswelle verbunden, die als Hohlwelle 4 ausgebildet ist, durch welche die Antriebswelle 9 hindurchgeführt ist. Zur Erzielung eines guten Wirkungsgrades ist die Hohlwelle 4 auf der Antriebswelle 9 über Nadellager 13 und 13.1 und im Gehäuse 1 über Kugellager 12.1 gelagert und die Antriebswelle 9 ist über Kugellager 12 im Gehäuse 1 gelagert.For this purpose, the
Wie insbesondere Fig. 5 zu entnehmen, sind im Klemmspalt 5 zwischen Innenring 3 und Außenring 2 zwei Klemmrollenpaare 6.1, 6.2 und 7.1, 7.2 angeordnet und zwar so, daß sie in bezug auf die Drehachse D des Innenrings 3 einander diametral gegenüberliegen. Jede der Klemmrollen 6.1, 6.2, 7.1 und 7.2 steht unter der Wirkung von zwei nebeneinander angeordneten Druckfedern, von denen in Fig. 5 die Druckfedern 8.1 bis 8.4 sichtbar sind, durch welche sie in eine Klemmstellung gedrückt wird, in welcher der Innenring 3 und damit die das Abtriebselement darstellende Hohlwelle 4 durch die Klemmwirkung gegen Verdrehung verriegelt sind. Der Innenflansch 9.3 der Antriebswelle 9 ist einerseits über am Innenring 3 angeordnete Mitnehmerstifte 10.1 und 10.2, die mit Spiel in Bohrungen 10.3 und 10.4 des Innenflansches 9.3 eingreifen, mit diesem gekoppelt und andererseits weist er Betätigungsstifte 11.1 und 11.2 auf, welche in den Klemmspalt 5 hineinragen und jeweils eine Klemmrolle 6.1 und 7.1 bzw. 6.2 und 7.2 jedes Klemmrollenpaares gegen die Kraft der Druckfedern in eine Freigabestellung drücken. Damit ist bei Einwirkung eines antreibenden Drehmoments die Drehung des Innenrings 3 und damit der Hohlwelle 4 freigegeben. Die geometrischen Bedingungen zwischen Außenring 2, Innenring 3 und den Klemmrollen 6.1, 6.2, 7.1, 7.2 sind derart gewählt, daß der Klemmwinkel im Bereich zwischen 4,5° und 7° liegt. Als besonders vorteilhaft hat sich ein Klemmwinkel von 5,75° erwiesen.As can be seen in particular Fig. 5, two pinch roller pairs 6.1, 6.2 and 7.1, 7.2 are arranged in the
Die Druckfedern 8.1 bis 8.4 sind so ausgelegt, daß jede der Klemmrollen 6.1, 6.2, 7.1, 7.2 mit einer Gesamtkraft von mindestens 45 N belastet wird. Es hat sich herausgestellt, daß zu diesem Zweck Druckfedern nach DIN 2098 mit einem Drahtdurchmesser d=1mm, einem mittleren Windungsdurchmesser Dm=5mm und einer Länge L0=12mm besonders gut geeignet sind.The compression springs 8.1 to 8.4 are designed so that each of the clamping rollers 6.1, 6.2, 7.1, 7.2 is loaded with a total force of at least 45 N. It has been found that for this purpose compression springs according to DIN 2098 with a wire diameter d = 1mm, a mean turn diameter D m = 5mm and a length L 0 = 12mm are particularly well suited.
Von der Hohlwelle 4 wird über ein Abtriebsritzel 4.1 das Drehmoment über die Stirnräder 16.1, 16.2, 16.3, 16.4 und 16.5, die das Untersetzungsgetriebe bilden, auf das Abtriebsritzel 14 des Untersetzungsgetriebes übertragen, welches in die nicht dargestellte Zahnstange des Lukendeckels eingreift.From the
Um die Funktionsfähigkeit der oben beschriebenen Vorrichtung auch bei extremen Außentemperaturen zu gewährleisten, sind alle bewegbaren Bauteile mit einem speziellen Schmierfett versehen, das bei einem Außentemperaturbereich von mindestens -40°C bis +100°C funktionsfähig ist. Es hat sich hier ein unter dem Handelsnamen ISOFLEX PDB38 CX 1000 EP bekanntes Schmierfett besonders bewährt.In order to ensure the functionality of the device described above, even at extreme outside temperatures, all movable components are provided with a special grease, which is functional at an outdoor temperature range of at least -40 ° C to + 100 ° C. A grease known under the trade name ISOFLEX PDB38 CX 1000 EP has proven to be particularly useful here.
Damit der Austritt von Schmiermitteln sowie das Eindringen von Verunreinigungen verhindert wird, sind die Antriebswelle 9 und die Hohlwelle 4 mit Radial-Wellendichtringen 15, 15.1, 15.2 gegenüber dem Gehäuse 1 bzw. dem Außenring 2 abgedichtet.In order to prevent the escape of lubricant and the ingress of impurities, the
Aus Fig. 4 ist zu entnehmen, daß am Gehäuse 1 eine an sich bekannte, automatische Ver- und Entriegelungseinrichtung für den Lukendeckel angeordnet ist mit einem Verriegelungsbolzen 17, der unter der Wirkung einer Druckfeder 17.1 gesteuert von einem mit einer Nockenleiste am Lukendeckel zusammenwirkenden Steuerelement 18 den Lukendeckel in der Schließstellung und der Offenstellung zusätzlich verriegelt und entriegelt.From Fig. 4 it can be seen that the
Claims (7)
- Device for opening and closing the hatch cover of a sliding hatch on a combat vehicle, in particular a combat tank, wherein disposed on the hatch cover is a gear rack, into which engages an output pinion of a gear drive, which is disposed on the vehicle and connected to an actuating device, wherein between the output pinion and the actuating device an automatic braking and locking device is inserted, characterized in that as an automatic braking and locking device a clamp-roller load-moment ratchet disposed in the housing (1) of the gear drive is used, comprising an outer ring (2), which is firmly connected to the housing (1) and in which an inner ring (3) positively connected to an output element (4) connected to the gear drive is rotatably supported, wherein in a clamping gap (5) between inner ring (3) and outer ring (2) at least one clamp-roller pair (6.1-6.2, 7.1-7.2) is disposed, the clamp-rollers of which under the action of at least one compression spring (8.1 to 8.4) are pressed into a clamping position, in which the output element is blocked, and comprising an input element (9), which on the one hand is connected by driving pins (10.1, 10.3) to the inner ring (3) and on the other hand has actuating pins (11.1, 11.2), which in dependence upon the direction of rotation of the input element under the action of the torque press in each case one clamp-roller (6.1 and 7.1 or 6.2 and 7.2) of each clamp-roller pair counter to the action of the compression spring into a release position, wherein the clamping angle is 4.5° to 7° and each of the compression springs (8.1 to 8.4) is so designed that each of the clamp-rollers (6.1, 6.2, 7.1, 7.2) is loaded with a total force of at least 45 N, and that the input element takes the form of an input shaft (9), which extends through the housing (1) and is connectable at both ends (9.1, 9.2) to an actuating device, and the output element takes the form of a hollow shaft (4), through which the input shaft (9) extends.
- Device according to claim 1, characterized in that the clamping angle is 5.75°.
- Device according to claim 1 or 2, characterized in that the input shaft (9) is supported in the housing (1) by means of ball bearings (12).
- Device according to one of claims 1 to 3, characterized in that the hollow shaft (4) is supported on the through input shaft (9) by means of needle bearings (13, 13.1) and in the housing (1) by means of ball bearings (12.1).
- Device according to one of claims 1 to 4, characterized in that between inner ring (3) and outer ring (2) two clamp-roller pairs (6.1-6.2 and/or 7.1-7.2) are disposed in such a way that they lie, in relation to the axis of rotation (D) of the inner ring (3), diametrically opposite one another.
- Device according to one of claims 1 to 5, characterized in that the input shaft (9) and the hollow shaft (4) are sealed relative to the housing (1) and outer ring (2) respectively by means of rotary shaft seals (15, 15.1, 15.2).
- Device according to claim 6, characterized in that the movable components are provided with a lubricant that is capable of functioning in the temperature range of at least -40°C to at least +100°C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20007620U DE20007620U1 (en) | 2000-04-27 | 2000-04-27 | Device for opening and closing the hatch cover of a sliding hatch on a combat vehicle, in particular a battle tank |
| DE20007620U | 2000-04-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1150090A2 EP1150090A2 (en) | 2001-10-31 |
| EP1150090A3 EP1150090A3 (en) | 2004-06-09 |
| EP1150090B1 true EP1150090B1 (en) | 2006-03-15 |
Family
ID=7940766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01109810A Expired - Lifetime EP1150090B1 (en) | 2000-04-27 | 2001-04-21 | Device for opening and closing the cover of a sliding hatch of an armoured vehicle, in particular a tank |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1150090B1 (en) |
| AT (1) | ATE320585T1 (en) |
| DE (2) | DE20007620U1 (en) |
| DK (1) | DK1150090T3 (en) |
| ES (1) | ES2260114T3 (en) |
| NO (1) | NO321749B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004006967U1 (en) * | 2004-04-30 | 2005-09-08 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Device for opening and closing a hatch cover, in particular a sliding hatch, on a combat vehicle |
| DE102004059016B4 (en) * | 2004-12-08 | 2007-03-08 | Rheinmetall Landsysteme Gmbh | Device for opening and closing a hatch cover, in particular for an armored vehicle |
| DE202005003541U1 (en) * | 2005-03-05 | 2006-07-20 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Device for opening and closing a hatch cover, in particular a sliding hatch on a combat vehicle |
| DE102009048366B4 (en) | 2009-10-06 | 2012-01-26 | Rheinmetall Landsysteme Gmbh | Device for safe opening in a particular emergency opening of a hatch cover on a combat vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB482091A (en) * | 1936-06-29 | 1938-03-23 | Rene Benjamin Houplain | Improvements in and relating to locking devices |
| DE3800767A1 (en) * | 1988-01-13 | 1989-07-27 | Hoermann Kg | DEVICE FOR MOVING A DOOR LEAF ALSO BY MEANS OF A SAFETY-MONITORED MOTOR DRIVE OR A MANUAL DRIVE |
| DE4240140A1 (en) * | 1992-11-28 | 1994-06-01 | Wegmann & Co Gmbh | Device for opening and closing a hatch cover on a combat vehicle, in particular a battle tank |
| DE19504922C2 (en) * | 1994-02-17 | 1996-07-04 | Wegmann & Co Gmbh | Entry hatch for a combat vehicle, especially a battle tank |
| AT403080B (en) * | 1995-02-06 | 1997-11-25 | Ife Gmbh | DRIVE FOR A DOOR |
| DE19525454C2 (en) * | 1995-07-13 | 1998-06-10 | Beikirch Industrieelektronik G | Push spindle drive |
| DE29919107U1 (en) * | 1999-11-01 | 2000-03-16 | IWD Ingenieur Werner Dill GmbH & Co.KG, 61462 Königstein | Planetary gear with integrated pinch roller load torque lock |
-
2000
- 2000-04-27 DE DE20007620U patent/DE20007620U1/en not_active Expired - Lifetime
-
2001
- 2001-04-21 DE DE50109190T patent/DE50109190D1/en not_active Expired - Lifetime
- 2001-04-21 ES ES01109810T patent/ES2260114T3/en not_active Expired - Lifetime
- 2001-04-21 DK DK01109810T patent/DK1150090T3/en active
- 2001-04-21 AT AT01109810T patent/ATE320585T1/en active
- 2001-04-21 EP EP01109810A patent/EP1150090B1/en not_active Expired - Lifetime
- 2001-04-25 NO NO20012031A patent/NO321749B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1150090A2 (en) | 2001-10-31 |
| DK1150090T3 (en) | 2006-07-24 |
| NO20012031D0 (en) | 2001-04-25 |
| DE20007620U1 (en) | 2001-08-30 |
| ATE320585T1 (en) | 2006-04-15 |
| EP1150090A3 (en) | 2004-06-09 |
| DE50109190D1 (en) | 2006-05-11 |
| NO20012031L (en) | 2001-10-29 |
| NO321749B1 (en) | 2006-06-26 |
| ES2260114T3 (en) | 2006-11-01 |
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