EP2565144A1 - Winch - Google Patents
Winch Download PDFInfo
- Publication number
- EP2565144A1 EP2565144A1 EP12178687A EP12178687A EP2565144A1 EP 2565144 A1 EP2565144 A1 EP 2565144A1 EP 12178687 A EP12178687 A EP 12178687A EP 12178687 A EP12178687 A EP 12178687A EP 2565144 A1 EP2565144 A1 EP 2565144A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- cable
- coupling
- winch according
- brake
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims abstract description 40
- 238000010168 coupling process Methods 0.000 claims abstract description 40
- 238000005859 coupling reaction Methods 0.000 claims abstract description 40
- 238000004804 winding Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
Definitions
- the invention relates to a winch, in particular a forestry winch having a drive shaft, a cable drum for winding a rope, a drum coupling for transmitting the rotational movement of the drive shaft to the cable drum and a drum brake for braking the cable drum.
- Such a winch is for example from the DE 20 2005 020 694 U1 known.
- the pull-out is often only possible with greater effort.
- a cable ejection device has been provided which comprises a driven by a hydraulic motor pulley, to allow in this way a machine pulley extension.
- the invention is based on the object to realize a mechanical cable discharge, with simpler means.
- This drive train can be on an additional drive unit for controlling the pulley (eg a hydraulic or electric motor), which would be operated via a further energy source, be dispensed with.
- an additional drive unit for controlling the pulley eg a hydraulic or electric motor
- both the drum clutch and the drum brake are hydraulically formed and each have an associated valve for actuation.
- the drum clutch is preferably opened without pressure and the drum brake is formed without pressure closed.
- the cable ejection coupling is formed by a hydraulically actuated clutch, in particular a hydraulically actuated and pressure-free open friction clutch.
- a hydraulic cylinder is provided for actuating the cable ejection coupling, which may in particular have two hydraulic connections, one communicating with a pressure line of the drum brake and the other with a pressure line of the drum coupling.
- the hydraulic cylinder may have a piston with a first and a second piston surface, wherein the two piston surfaces are different in size.
- the winch provides for the following three modes of operation: neutral, cable and unwind
- the drum brake In the neutral position the drum brake is closed, the drum clutch and the rope ejection coupling open. With the "cable pull", the drum brake is open, the drum clutch is closed and the cable ejection coupling is opened. In the unwinding mode, the drum brake and the drum clutch are open while the cable ejection clutch is closed so that the rotational movement of the drive shaft is transmitted to the cable pulley of the cable ejector.
- the pulley of the cable ejecting device is preferably designed as a friction wheel and acts with at least one, preferably a plurality of pressure rollers together such that the at least one pressure roller, the rope on the drivable Pulley presses.
- This friction clutch also serves as overload protection, if it should come to a blockage in the cable output.
- the at least one pressure roller is prestressed with at least one spring element in the direction of the drivable pulley.
- a cable inlet brake can be provided which ensures a uniform or uniform and tight winding of the rope on the cable drum.
- the cable ejection device may further provide an input shaft in communication with the drive shaft and an output shaft, and the hydraulic cylinder includes a rotatably mounted piston for actuating the cable exhaust coupling which simultaneously forms the input shaft. In this way, the required components are reduced and costs saved.
- winch consists essentially of a drive shaft 1, a cable drum 2 for winding a rope 3, a drum coupling 4 for transmitting the rotational movement of the drive shaft 1 to the cable drum 2 and a drum brake 5 for braking the cable drum. 2
- a cable ejecting device 6 is provided with at least one drivable pulley 60 for unwinding the cable 3.
- the entire winch is mounted on a frame, not shown, which can be attached to a towing vehicle, such as a forestry vehicle.
- the drive shaft 1 is connected to the PTO of the towing vehicle.
- a gear 7, in particular a worm gear for adjusting the rotational speed of the PTO shaft on the useful for winding the rope on the cable drum 2 rotational speed.
- a hydraulic block 8 is further provided, which is connected via a pressure line 9 with the drum coupling 4 and a pressure line 10 with the drum brake 5 for controlling the same in hydraulic operative connection.
- Fig. 2 the drivable pulley 60 of the cable ejecting device 6 is shown in more detail.
- the cable 3 passes over the pulley 60, wherein the arrow 11 points in the direction of the cable drum 2.
- the pulley 60 is formed as a friction wheel and cooperates with pressure rollers 61 such that the cable 3 is pressed by the pressure rollers 61 on the pulley 60.
- the pressure rollers 61 are prestressed in the direction of the pulley 60 with the aid of a spring element 65 designed as a spring assembly.
- the pulley 60 can be driven in the direction of the arrow 12 via a drive train described in more detail below, as a result of which the cable 3 is pulled off the roller and ejected in the direction of the arrow 13.
- a cable retraction brake 14 can be seen, which comprises a pressure roller 140 movable in the direction of the double arrow 142 and a brake pad 141.
- the pressure roller 140 is driven, for example via a hydraulic cylinder, not shown, and presses the cable during winding of the rope against the brake pad 141.
- the cable 3 is held taut during winding, so that a uniform tight winding the rope is possible.
- the wear of the cable 3 can be kept in a negligible order of magnitude.
- this drive train essentially comprises the gear 7, a cable ejection coupling 62, and two transmission means 63, 64 designed, for example, as chains, toothed belts or toothed wheels.
- the cable ejector coupling 62 is shown in its open or closed position. It has an input shaft 621 which communicates with the drive shaft via the transmission means 63 and the transmission 7 and provides an output shaft 622 which is drivingly connected to the transmission means 64 with the pulley 60. Furthermore, the cable ejection coupling 62 comprises a hydraulic cylinder 624, which has a piston 625 with a first piston surface 626 and a second piston surface 627. As can be seen from the drawing, the first piston surface 626 is smaller than the second piston surface 627 is formed. Furthermore, the hydraulic cylinder 624 has two hydraulic connections B, K, the hydraulic connection B communicating via the pressure line 10 with the drum brake 5 and the hydraulic connection K via the pressure line 9 with the drum coupling 4.
- the cable ejection coupling is also in the in Fig. 3 brought open position shown when applied to both hydraulic connections B, K, the same pressure.
- the rotatably mounted piston 625 transmits the transmitted via the transmission means 63 rotational movement only in the closed, in Fig. 4 darg Horen position on the output shaft 622 by the piston 625 is in frictional contact with the friction lining 628.
- the hydraulic block 8 essentially comprises two valves 80, 81, a main valve 82, an oil reservoir 83, a hydraulic pump 84, a pressure limiting valve 85 and a pressure accumulator 86.
- position of the main valve 62 is the hydraulic block in the neutral position.
- the pressure at the two valves 80, 81 is at.
- the pressure to the drum brake 5 or drum clutch 4 and the cable ejector 62 is forwarded.
- the drum brake 5 In the neutral position, the drum brake 5 is closed, wherein the drum brake is designed as a non-pressure-closed drum brake, so that therefore no pressure is applied in the pressure line 9.
- the drum clutch 4, however, is open, which is designed as a depressibly open cable drum brake, so that even in the line 10 no pressure is applied.
- the hydraulic circuit diagram according to Fig. 5 reflects exactly this neutral position, in which the cable ejection coupling in its open position according to Fig. 3 located.
- the brake is opened by the valves 81 in the Fig. 5 be switched so that the pressure line 10 is under pressure.
- the drum clutch 4 is also closed by the valve 80 is switched, so that thus the pressure line 9 is under pressure.
- the Seilaus contacterkupplung 62 is still held in its open position, since the larger piston surface 627 generates a greater force toward the open position, as caused by the smaller piston surface 626 counterforce.
- the drum brake 5 must be opened by the pressure line 10 is pressurized.
- the drum clutch 4 must be open, which is achieved in that the pressure line 9 is depressurized.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Die Erfindung betrifft eine Seilwinde, insbesondere eine Forstseilwinde, die eine Antriebswelle, eine Seiltrommel zum Aufwickeln eines Seils, eine Trommelkupplung zur Übertragung der Drehbewegung der Antriebswelle auf die Seiltrommel und eine Trommelbremse zum Bremsen der Seiltrommel aufweist.The invention relates to a winch, in particular a forestry winch having a drive shaft, a cable drum for winding a rope, a drum coupling for transmitting the rotational movement of the drive shaft to the cable drum and a drum brake for braking the cable drum.
Eine derartige Seilwinde ist beispielsweise aus der
Der Erfindung liegt nun die Aufgabe zugrunde, einen maschinellen Seilausstoß, mit einfacheren Mitteln zu realisieren.The invention is based on the object to realize a mechanical cable discharge, with simpler means.
Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruches 1 gelöst.According to the invention, this object is solved by the features of
Die erfindungsgemäße Seilwinde weist im Wesentlichen folgende Bestandteile auf:
- a. eine Antriebswelle,
- b. eine Seiltrommel zum Aufwickeln eines Seils,
- c. eine Trommelkupplung zur Übertragung der Drehbewegung der Antriebswelle auf die Seiltrommel,
- d. eine Trommelbremse zum Bremsen der Seiltrommel und
- e. eine Seilausstoßvorrichtung mit wenigstens einer antreibbaren Seilrolle zum Abwickeln des Seils, die über einen eine Seilausstoßkupplung aufweisenden Antriebsstrang mit der Antriebswelle in Verbindung steht.
- a. a drive shaft,
- b. a cable drum for winding a rope,
- c. a drum coupling for transmitting the rotational movement of the drive shaft to the cable drum,
- d. a drum brake for braking the rope drum and
- e. a cable ejector having at least one drivable pulley for unwinding the cable which is in communication with the drive shaft via a drive train having a cable exhaust coupling.
Durch diesen Antriebsstrang kann auf eine zusätzliche Antriebseinheit zur Ansteuerung der Seilrolle (z.B. ein Hydraulik- oder Elektromotor), welche über eine weitere Energiequelle zu betreiben wäre, verzichtet werden.Through this drive train can be on an additional drive unit for controlling the pulley (eg a hydraulic or electric motor), which would be operated via a further energy source, be dispensed with.
Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further embodiments of the invention are the subject of the dependent claims.
Gemäß einer Ausbildung der Erfindung sind sowohl die Trommelkupplung als auch die Trommelbremse hydraulisch ausgebildet und weisen zur Betätigung jeweils ein zugeordnetes Ventil auf. Die Trommelkupplung wird dabei vorzugsweise drucklos geöffnet und die Trommelbremse drucklos geschlossen ausgebildet. Weiterhin kann vorgesehen werden, dass die Seilausstoßkupplung durch eine hydraulisch betätigte Kupplung, insbesondere eine hydraulisch betätigte und drucklos geöffnete Reibkupplung, ausgebildet ist. Gemäß einer weiteren Ausgestaltung der Erfindung ist zur Betätigung der Seilausstoßkupplung ein Hydraulikzylinder vorgesehen, der insbesondere zwei hydraulische Anschlüsse aufweisen kann, wobei der eine mit einer Druckleitung der Trommelbremse und der andere mit einer Druckleitung der Trommelkupplung in Verbindung steht. Weiterhin kann der Hydraulikzylinder einen Kolben mit einer ersten und einer zweiten Kolbenfläche aufweisen, wobei die beiden Kolbenflächen unterschiedlich groß sind. So kann dann vorgesehen werden, dass die erste Kolbenfläche mit der Druckleitung der Trommelbremse und die zweite Kolbenfläche mit der Druckleitung der Trommelkupplung in Verbindung steht, wobei die erste Kolbenfläche kleiner als die zweite Kolbenfläche ausgebildet ist.According to one embodiment of the invention, both the drum clutch and the drum brake are hydraulically formed and each have an associated valve for actuation. The drum clutch is preferably opened without pressure and the drum brake is formed without pressure closed. Furthermore, it can be provided that the cable ejection coupling is formed by a hydraulically actuated clutch, in particular a hydraulically actuated and pressure-free open friction clutch. According to a further embodiment of the invention, a hydraulic cylinder is provided for actuating the cable ejection coupling, which may in particular have two hydraulic connections, one communicating with a pressure line of the drum brake and the other with a pressure line of the drum coupling. Furthermore, the hydraulic cylinder may have a piston with a first and a second piston surface, wherein the two piston surfaces are different in size. Thus, it can then be provided that the first piston surface communicates with the pressure line of the drum brake and the second piston surface with the pressure line of the drum coupling, wherein the first piston surface is smaller than the second piston surface.
Die Seilwinde sieht insbesondere die drei folgenden Betriebsarten vor: "Neutralstellung", "Seilzug" und "Seil abwickeln"In particular, the winch provides for the following three modes of operation: neutral, cable and unwind
In der Neutralstellung ist die Trommelbremse geschlossen, die Trommelkupplung und die Seilausstoßkupplung geöffnet. Beim "Seilzug" ist die Trommelbremse geöffnet, die Trommelkupplung geschlossen und die Seilausstoßkupplung geöffnet. In der Betriebsart "Seil abwickeln" ist die Trommelbremse und die Trommelkupplung geöffnet, während die Seilausstoßkupplung geschlossen ist, sodass die Drehbewegung der Antriebswelle auf die Seilrolle der Seilausstoßvorrichtung übertragen wird.In the neutral position the drum brake is closed, the drum clutch and the rope ejection coupling open. With the "cable pull", the drum brake is open, the drum clutch is closed and the cable ejection coupling is opened. In the unwinding mode, the drum brake and the drum clutch are open while the cable ejection clutch is closed so that the rotational movement of the drive shaft is transmitted to the cable pulley of the cable ejector.
Die Seilrolle der Seilausstoßvorrichtung ist vorzugsweise als Reibrad ausgebildet und wirkt mit wenigstens einer, vorzugsweise mehreren Andrückrollen derart zusammen, dass die wenigstens eine Andrückrolle das Seil auf die antreibbare Seilrolle drückt. In der Betriebsart "Seil abwickeln" wird auf diese Weise das Seil durch die angetriebene Seilrolle ausgestoßen, sodass sich das Seil auch bei großen Seillängen problemlos ausziehen lässt. Diese Reibkupplung dient gleichzeitig als Überlastschutz, wenn es beim Seilausstoß zu einer Blockade kommen sollte.The pulley of the cable ejecting device is preferably designed as a friction wheel and acts with at least one, preferably a plurality of pressure rollers together such that the at least one pressure roller, the rope on the drivable Pulley presses. In the operating mode "unwinding rope", the rope is thus ejected by the driven pulley, so that the rope can be easily removed even with long rope lengths. This friction clutch also serves as overload protection, if it should come to a blockage in the cable output.
Es ist zweckmäßigerweise vorgesehen, dass die wenigstens eine Andrückrolle mit wenigstens einem Federelement in Richtung der antreibbaren Seilrolle vorgespannt ist.It is expediently provided that the at least one pressure roller is prestressed with at least one spring element in the direction of the drivable pulley.
Gemäß einer weiteren Ausgestaltung der Erfindung kann eine Seileinlaufbremse vorgesehen werden, die ein gleichförmiges bzw. gleichmäßiges sowie straffes Aufwickeln des Seiles auf die Seiltrommel gewährleistet.According to a further embodiment of the invention, a cable inlet brake can be provided which ensures a uniform or uniform and tight winding of the rope on the cable drum.
Die Seilausstoßvorrichtung kann weiterhin eine mit der Antriebswelle in Verbindung stehende Eingangswelle und eine Abtriebswelle vorsehen und der Hydraulikzylinder umfasst zur Betätigung der Seilausstoßkupplung einen drehbar gelagerten Kolben, der gleichzeitig die Eingangswelle bildet. Auf diese Weise werden die erforderlichen Bauteil reduziert und Kosten gespart.The cable ejection device may further provide an input shaft in communication with the drive shaft and an output shaft, and the hydraulic cylinder includes a rotatably mounted piston for actuating the cable exhaust coupling which simultaneously forms the input shaft. In this way, the required components are reduced and costs saved.
Im Folgenden wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnung näher beschrieben.In the following an embodiment of the invention will be described in more detail with reference to the drawing.
In der Zeichnung zeigen
- Fig. 1
- eine schematische Übersichtsdarstellung der Seilwinde,
- Fig. 2
- eine Schnittdarstellung der Seilausstoßvorrichtung im Bereich der antreibbaren Seilrolle,
- Fig. 3
- eine Schnittdarstellung der Seilausstoßkupplung in der geöffneten Stellung,
- Fig. 4
- eine Schnittdarstellung der Seilausstoßkupplung in der geschlossenen Stellung und
- Fig. 5
- einen Hydraulikschaltplan der Seilwinde.
- Fig. 1
- a schematic overview of the winch,
- Fig. 2
- a sectional view of the cable ejection device in the field of drivable pulley,
- Fig. 3
- a sectional view of the cable ejection coupling in the open position,
- Fig. 4
- a sectional view of the cable ejection coupling in the closed position and
- Fig. 5
- a hydraulic circuit diagram of the winch.
Die in
Weiterhin ist eine Seilausstoßvorrichtung 6 mit wenigstens einer antreibbaren Seilrolle 60 zum Abwickeln des Seiles 3 vorgesehen. Die gesamte Seilwinde ist an einem nicht näher dargestellten Rahmen gehaltert, der an einem Zugfahrzeug, beispielsweise einem Forstfahrzeug, befestigt werden kann.Furthermore, a cable ejecting device 6 is provided with at least one
Die Antriebswelle 1 wird dabei an die Zapfwelle des Zugfahrzeuges angeschlossen. Zwischen Zapfwelle und Trommelkupplung 4 ist ein Getriebe 7, insbesondere ein Schneckenradgetriebe zur Anpassung der Drehgeschwindigkeit der Zapfwelle auf die für das Aufwickeln des Seils auf der Seiltrommel 2 sinnvolle Rotationsgeschwindigkeit. Zur Ansteuerung der Trommelkupplung 4 und der Trommelbremse 5 ist ferner ein Hydraulikblock 8 vorgesehen, der über eine Druckleitung 9 mit der Trommelkupplung 4 und über eine Druckleitung 10 mit der Trommelbremse 5 zur Ansteuerung derselben in hydraulischer Wirkverbindung steht.The
In
Aus
Im Folgenden wird der Antriebsstrang, mit dem die Drehbewegung der Antriebswelle 1 auf die Seilrolle 60 übertragen wird, näher erläutert. Wie aus
In den
Durch die beiden unterschiedlich großen Kolbenflächen 626, 627 wird die Seilausstoßkupplung auch dann in die in
Der drehbar gelagerte Kolben 625 überträgt die über das Übertragungsmittel 63 übertragende Drehbewegung nur in der geschlossenen, in
Anhand des Hydraulikschaltplans in
Der Hydraulikblock 8 umfasst im Wesentlichen zwei Ventile 80, 81, ein Hauptventil 82, einen Ölbehälter 83, eine Hydraulikpumpe 84, ein Druckbegrenzungsventil 85 und einen Druckspeicher 86.The
In der in
Mit dem dargestellten Hydraulikschaltplan können im Wesentlichen die folgenden drei Betriebsarten realisiert werden: "Neutralstellung", "Seilzug" und "Seil abwickeln".With the hydraulic circuit diagram shown, essentially the following three operating modes can be realized: "neutral position", "cable pull" and "unwind rope".
In der Neutralstellung ist die Trommelbremse 5 geschlossen, wobei die Trommelbremse als drucklos geschlossene Trommelbremse ausgebildet ist, sodass demnach in der Druckleitung 9 kein Druck anliegt. Die Trommelkupplung 4 hingegen ist geöffnet, wobei diese als drucklos geöffnete Seiltrommelbremse ausgebildet ist, sodass auch in der Leitung 10 kein Druck anliegt. Der Hydraulikschaltplan gemäß
Soll nun das Seil 3 auf die Seiltrommel 2 aufgewickelt werden, wird die Bremse geöffnet, indem die Ventile 81 in die
Soll hingegen das Seil 3 von der Seiltrommel 2 abgewickelt werden, muss die Trommelbremse 5 geöffnet werden, indem die Druckleitung 10 unter Druck gesetzt wird. Auch die Trommelkupplung 4 muss geöffnet sein, was dadurch erreicht wird, dass die Druckleitung 9 drucklos geschaltet wird.If, however, the
Durch die drei unterschiedlichen Schaltmöglichkeiten der beiden Ventile 80, 81 können somit die drei oben beschriebenen Betriebsarten realisiert werden. Zum Antrieb der Seilrolle 60 ist somit kein zusätzlicher Antriebsmotor bzw. keine weitere Energiequelle erforderlich. Es ist darüber hinaus auch kein weiteres Ventil oder gar eine zusätzliche elektrische Ansteuerung für die Seilausstoßkupplung notwendig. Der gesamte Aufbau der Seilausstoßvorrichtung vereinfacht sich dadurch erheblich.By the three different switching options of the two
Claims (15)
dadurch gekennzeichnet, dass die antreibbare Seilrolle (60) über einen eine Seilausstoßkupplung (62) aufweisenden Antriebsstrang mit der Antriebswelle (1) in Verbindung steht.
characterized in that the drivable pulley (60) is connected to the drive shaft (1) via a drive train having a cable ejection coupling (62).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201230008T SI2565144T1 (en) | 2011-08-31 | 2012-07-31 | Winch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202011051167U DE202011051167U1 (en) | 2011-08-31 | 2011-08-31 | winch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2565144A1 true EP2565144A1 (en) | 2013-03-06 |
EP2565144B1 EP2565144B1 (en) | 2013-09-11 |
Family
ID=45471421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12178687.5A Active EP2565144B1 (en) | 2011-08-31 | 2012-07-31 | Winch |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2565144B1 (en) |
DE (1) | DE202011051167U1 (en) |
SI (1) | SI2565144T1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696412A (en) * | 2013-12-31 | 2014-04-02 | 泰安市新创工程机械有限公司 | Hoisting mechanism for dynamic compactor |
EP3093265A1 (en) | 2015-05-09 | 2016-11-16 | Pisek - Vitli Krpan, d.o.o. | A mechanic-hydraulic system with a safety device for switching off winding of a cable rope of a winch |
EP3093264A1 (en) | 2015-05-09 | 2016-11-16 | Pisek - Vitli Krpan, d.o.o. | A mechanic-hydraulic system with a pressure regulator for maintaining a constant tractive force power of a winch |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104495668A (en) * | 2014-11-13 | 2015-04-08 | 安徽恒源煤电股份有限公司钱营孜煤矿 | Automatic rope arranging device for coalmine winches |
DE102020125562A1 (en) * | 2020-09-30 | 2022-03-31 | Suffel Fördertechnik GmbH & Co. KG. | forest winch |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1936097A1 (en) * | 1969-07-16 | 1971-01-28 | Rotzler Kg Maschf Ernst | Winch |
US5388781A (en) * | 1991-01-30 | 1995-02-14 | Sauber; Charles J. | Cable pulling and reeling apparatus having anti-spill device and method |
DE202005020694U1 (en) | 2005-04-08 | 2006-06-22 | A. Ritter u. Söhne, Maschinenfabrik und Landmaschinen GmbH & Co KG | Cable feeder for cable winches used in logging has a cable-tensioning device for tightening a cable when pulling it in |
-
2011
- 2011-08-31 DE DE202011051167U patent/DE202011051167U1/en not_active Expired - Lifetime
-
2012
- 2012-07-31 SI SI201230008T patent/SI2565144T1/en unknown
- 2012-07-31 EP EP12178687.5A patent/EP2565144B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1936097A1 (en) * | 1969-07-16 | 1971-01-28 | Rotzler Kg Maschf Ernst | Winch |
US5388781A (en) * | 1991-01-30 | 1995-02-14 | Sauber; Charles J. | Cable pulling and reeling apparatus having anti-spill device and method |
DE202005020694U1 (en) | 2005-04-08 | 2006-06-22 | A. Ritter u. Söhne, Maschinenfabrik und Landmaschinen GmbH & Co KG | Cable feeder for cable winches used in logging has a cable-tensioning device for tightening a cable when pulling it in |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696412A (en) * | 2013-12-31 | 2014-04-02 | 泰安市新创工程机械有限公司 | Hoisting mechanism for dynamic compactor |
EP3093265A1 (en) | 2015-05-09 | 2016-11-16 | Pisek - Vitli Krpan, d.o.o. | A mechanic-hydraulic system with a safety device for switching off winding of a cable rope of a winch |
EP3093264A1 (en) | 2015-05-09 | 2016-11-16 | Pisek - Vitli Krpan, d.o.o. | A mechanic-hydraulic system with a pressure regulator for maintaining a constant tractive force power of a winch |
Also Published As
Publication number | Publication date |
---|---|
SI2565144T1 (en) | 2013-11-29 |
DE202011051167U1 (en) | 2011-12-08 |
EP2565144B1 (en) | 2013-09-11 |
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