EP2807108A1 - Treuil à câble - Google Patents

Treuil à câble

Info

Publication number
EP2807108A1
EP2807108A1 EP12794199.5A EP12794199A EP2807108A1 EP 2807108 A1 EP2807108 A1 EP 2807108A1 EP 12794199 A EP12794199 A EP 12794199A EP 2807108 A1 EP2807108 A1 EP 2807108A1
Authority
EP
European Patent Office
Prior art keywords
cable
drum
cable drum
winding
winch
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
Application number
EP12794199.5A
Other languages
German (de)
English (en)
Other versions
EP2807108B1 (fr
Inventor
Norbert Hausladen
Gerd HEPP
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.)
Liebherr Components Biberach GmbH
Original Assignee
Liebherr Components Biberach GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liebherr Components Biberach GmbH filed Critical Liebherr Components Biberach GmbH
Publication of EP2807108A1 publication Critical patent/EP2807108A1/fr
Application granted granted Critical
Publication of EP2807108B1 publication Critical patent/EP2807108B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B66D1/39—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of axially-movable drums or barrels
    • 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
    • B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
    • 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
    • B66D1/30—Rope, cable, or chain drums or barrels
    • 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
    • B66D1/365—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of pivotably mounted drums or barrels
    • 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
    • B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel

Definitions

  • the present invention relates to a winch, in particular hoist winch, with a cable drum, the winding area is limited by two lateral flanges, wherein between the side flanges at least one further flanged wheel for dividing the winding area is provided in at least two Operawickel Suitee, wherein the rope on said further Flange wheel away in the at least two Operawickel Suitee is feasible.
  • the rope gap lying between the turns can vary depending on the tolerance of the rope diameter, whereby the rope gaps add up over the turns, so that it can happen in the aforementioned tolerance ranges and the usual for hoists rope thickness at about a number of turns of 40 that the maximum , added gap can exceed the rope thickness. Accordingly, it can by a taut in the next winding layer rope that the underlying layers can move or cut the said rope between two underlying winding sections.
  • the winding problems mentioned are also influenced by the outflow angle or entry angle of the cable to the drum longitudinal axis.
  • a cable drum with a very large drum diameter is usually chosen for very large rope lengths, in order to be able to wind up and unroll large pitches with a limited number of turns.
  • due to the cable pull and the drum radius as well as the lever arm derived therefrom inevitably high torques in the winch gear are produced with large drum diameters, which lead to corresponding loads and wear.
  • the document DE 20 2005 01 1 277 U1 proposes a cable winch of the type mentioned in the introduction, in which the winding area is subdivided into a plurality of sub-winding areas, in which the cable is wound in succession. Between the side flanges, which limit the entire winding area in a conventional manner, another flanged wheel is arranged approximately centrally, which divides the winding area into two sub-winding areas. Via a spiral-shaped cable guide channel on the said further flanged wheel, the cable can be guided over the flanged wheel in order to wind the cable in the second partial winding area after winding of the first partial winding area.
  • the above-described winding problems can be significantly mitigated.
  • the windable pitches are also ultimately limited here, since with correspondingly higher cable lengths a larger number of subdivisions would have to be made, which, in turn, would lead to large drum lengths or widths, in which the lateral sub-winding areas always lead to the front end of the cable drum sloping inlet angle of the rope would lead to ever greater lateral forces on the cable winding.
  • the present invention has for its object to provide an improved winch of the type mentioned above, which avoids the disadvantages of the prior art and the latter develops in an advantageous manner.
  • Winding problems such as the cutting of the rope between underlying winding sections even with very large cable lengths of up to several thousand meters even with no or only low rope prestressing or greatly varying rope tension safely avoided, without excessive drum diameter, high winch weight and resulting high torques buy.
  • the cable drum and / or a cable drum arranged in front of the cable transverse transverse to the longitudinal direction of the incoming / outgoing rope approximately in the drum longitudinal direction to proceed and / or the cable drum in its angular position with respect to at least one transverse axis transverse to To adjust the drum longitudinal direction to keep the helix angle of the incoming / outgoing rope in the different sub-winding areas small.
  • the axial and / or angular position of the cable drum and / or the axial position of the cable transverse guide in front of the cable drum are adapted to the partial winding area to be wound / unwound.
  • the cable drum is axially adjustable in the drum longitudinal direction, wherein a cable inlet control device is provided for adjusting at least two different axial positions of the cable drum for the winding / unwinding of at least two different Operawickel Schemee the cable drum. If the rope is wound / unwound on one side of the dividing flange, the cable drum is moved in a different axial position than when the rope is wound / unwound on the other side of said dividing flange.
  • a cable inlet guide which may be provided for guiding the incoming / outgoing cable in front of the cable drum, are adjusted relative to the cable drum axially in the drum longitudinal direction to guide the incoming / outgoing cable section in different axial positions When the rope is wound / unwound in different Operawickel Symposiume the cable drum.
  • the axial adjustability of the cable drum and / or the cable inlet guide in drum longitudinal direction can be done more or less exactly parallel to the drum rotation axis, but in an alternative development of the invention, a drum rotation axis more or less inclined adjustment can be provided as long as the adjustment a component in Drum longitudinal direction.
  • said travel is in this case formed straight or linear and aligned substantially parallel to the drum rotation axis in order to have no unwanted effects on the cable length in a transverse adjustment or not to have to compensate consuming.
  • the cable drum may be tiltable and / or pivotable about at least one transverse axis transverse to the drum longitudinal direction to bring the cable drum in different tilt and / or pivot positions when the cable wound into different Operawickel Schemee the cable drum / is handled.
  • tilting or pivoting the cable drum By tilting or pivoting the cable drum, a skew of the cable otherwise produced at different cable entry directions or during winding of different partial winding areas of the cable drum can be compensated or reduced.
  • the space required for the adjustment of the winch can be minimized, since tilting or pivoting can be carried out in the smallest space.
  • the cable drum is tilted or pivoted to a different angular position than when the rope is wound / unwound on the other side of said dividing flange.
  • the cable drum can be tilted and pivoted biaxially about differently oriented transverse axes in order to be able to compensate for or reduce skewing of the cable for different cable entry directions.
  • the cable drum may be tiltable about a tilting axis and pivotable about a pivot axis, wherein the tilting axis and the pivoting axis are at least approximately vertically aligned relative to each other and in each case at least approximately perpendicular to the drum longitudinal direction.
  • the tilting axis and the pivoting axis need not intersect one another, but may also be arranged offset to one another in different, preferably parallel planes in the case of approximately right-angled or transverse alignment, depending on how the tiltability and pivotability are realized.
  • a multi-axis tiltability or pivoting of the cable drum is particularly advantageous if the cable inlet / cable outlet not only transversely to the cable drum, but also in terms of the circumferential angle varies, ie the inlet point of the rope on the cable drum in different angular sectors can, as for example the Case is when a crane boom, on which the inlet roller is mounted, moves relative to the winch, in particular up and down.
  • the adjustability of the cable drum transversely to the cable longitudinal direction can basically be realized in various ways.
  • the cable drum could be adjustable via a handlebar guide or the like in the desired direction.
  • the cable drum is supported at opposite end portions by a respective bearing carriage, wherein the bearing carriage are mounted displaceable substantially parallel to the drum longitudinal direction.
  • a slide guide of the cable drum allows easy movement with simultaneous stable removal of high bearing forces.
  • the said end-side bearing carriage parts could in principle be connected to each other and form part of a common sliding carriage, which is displaceable in a sliding guide in the desired manner.
  • the bearing carriage which are provided at opposite end portions of the cable drum, be independently displaceable or be held in the axial direction only by the cable drum relative to each other.
  • the cable drum can be stored tension-free and adjusted in the manner of a fixed-lot camp. A distortion of the winch plates due to heat influence, component tolerances and deformations due to the cable tensile forces are thereby prevented.
  • the lateral bearing skate parts may well be displaceably mounted on a common, possibly continuous sliding guide.
  • each of the said lateral bearing slide parts is held displaceably on its own sliding guide.
  • an actuator is provided in a further development of the invention, which may be connected to one of said bearing carriage parts to move the cable drum in the drum longitudinal direction back and forth.
  • the said actuator can in principle be designed differently, for example, have a pressure medium cylinder or other actuating actuators such as a spindle drive include.
  • the adjustability of the angular orientation of the cable drum can basically be realized in various ways.
  • the bearing plates or bearing carriage, between which the cable drum is arranged and on which the opposite end portions of the cable drum are rotatably mounted tiltable about a tilting axis and / or pivotally mounted about a pivot axis, so that a tilting or pivoting of the cable drum can be effected by a corresponding adjustment of the bearing plates or bearing carriage.
  • simple pivot bearing can be provided between the end shields and the ends of the cable drum.
  • the end shields can in this case be connected to one another and, for example, form an approximately U-shaped bearing block, which is mounted tiltably or pivotably.
  • the desired tilting and / or pivoting of the cable drum can be achieved by appropriate movement of the cable drum relative to the end shields.
  • one of the end portions of the cable drum on the corresponding bearing plate or bearing carriage not only rotatable, but also be mounted oscillating or tiltable, for example by a corresponding self-aligning bearing.
  • the opposite end portion of the cable drum can be adjusted with at least one suitable actuator relative to the bearing plate or bearing carriage provided there transversely to the drum longitudinal direction, so that the desired tilting or pivoting movement of the cable drum takes place.
  • actuators in the form of adjusting cylinders can be used.
  • a bearing can be provided by means of an eccentric, which in the corresponding bearing plate or Bearing carriage can be integrated such that a rotation of the eccentric leads to an adjustment of the corresponding cable drum end transverse to the drum longitudinal direction.
  • a transversely adjustable cable inlet guide such a cable inlet guide can be designed basically different.
  • said cable inlet guide may comprise an axially adjustable in the drum longitudinal direction Seilumlenkrolle. Depending on which partial winding area is to be wound / developed, the cable deflection roller is adjusted relative to the cable drum.
  • the cable inlet guide can also comprise other axially adjustable cable transverse guide means, which can be advantageously arranged between said Seilumlenkrolle and the cable drum.
  • said Seilumlenkrolle in particular when this Seilumlenkrolle is axially fixed, be mounted oscillating such that said Seilumlenkrolle aligns with the cable transverse guide means out.
  • the cable deflection roller can be mounted pivotably or gimbal-like on the inlet / outlet of the cable, so that the cable deflection roller can follow the diagonal tension which arises due to the method of said cable guide means and less wear occurs on the cable pulley edges.
  • the axial adjustment of the winch and / or the cable inlet guide can basically be adapted in different ways to the winding / unwinding of the different sub-winding areas or controlled in dependence thereon.
  • the axial adjustment of the winch and / or the rope inlet guide can be continuous or approximately continuous, ie incrementally in small steps, advantageously as a function of drum rotation and winch pitch.
  • the aforementioned axial adjustment can actually be carried out continuously, wherein the speed of the axial displacement is adapted to the drum rotation speed and the winch pitch, so that the rope always runs or is guided exactly in front of the respective winding section to be wound / unwound.
  • such a continuous axial adjustment can also be approximated incrementally or stepwise, for example to the effect that, for example, after each full rotation of the cable drum or every other revolution, ie, rotation through 720 °, the cable drum and / or the cable inlet guide is axially set a little further.
  • only one axial position or optionally a limited number of axial positions of the cable drum and / or the cable inlet guide is set for each sub-winding area, for example such that when passing over the sub-winding area limit, i. the dividing intermediate pulley, the cable drum and / or the cable inlet guide is moved to a new axial position, which is provided for the winding / unwinding of the new or next sectionwickel Symposiums.
  • the cable entry control device may provide different axial travel ranges for the various sub-winding areas, the different axial travel ranges for the axial adjustment of the cable drum and / or the cable inlet guide can be formed differently from each other, in particular can be free of overlap.
  • the cable drum and / or the cable inlet guide can be brought into axial positions, which differ from the axial positions in which the cable drum and / or the cable inlet guide are brought when another Clauswickel Scheme wound or developed becomes.
  • a detection device for detecting the cable entry angle may be provided, wherein the cable inlet Control device controls the cable drum and / or the cable inlet guide in response to a signal of said detection device.
  • said detection device and / or a further detection device can detect the position of the cable relative to the cable drum, in particular a position indicating overrunning or overflow of the sub-winding area boundary and / or the subdividing, interposed flanged wheel.
  • a detection device may for example be a gear cam limit switch, but also be designed differently. If a passing over of the subdividing flange or the sub-winding area boundary is detected, the control device of the winch can reduce the rotational speed of the cable drum to a predetermined extent in an advantageous development of the invention in order to achieve the transition from one sub-winding area to another sub-winding area without appreciable cable wear.
  • the winch in addition to said, divided into different sub-winding areas cable drum have another cable drum, which can serve as an auxiliary winch.
  • the second cable drum can be placed on the first cable drum and / or stored axially displaceably together with the first cable drum.
  • the second, additional cable drum can be designed axially adjustable relative to the aforementioned first cable drum.
  • 1 is a plan view of a winch of a hoist according to an advantageous embodiment of the invention, wherein the cable drum is divided into two Partwickel Schemee and schematically the Bewickelung both sections is shown, wherein the cable drum is formed axially slidably via a carriage
  • 2 is a plan view of the winch of a hoist according to a further advantageous embodiment of the invention, according to which the cable drum is divided into three Sectionwickel Schemee, wherein the winding of a central Operawickel Schemees is shown and the cable drum is longitudinally displaceable via a carriage
  • FIG. 3 is a plan view of the winch of a hoist similar to Figure 1 according to a further advantageous embodiment of the invention, according to which a Seilumlenkrolle is axially displaceable, the Seilumlenkrolle is shown in different positions for the winding of different Operawickel Symposiume,
  • FIG. 4 is a plan view of the winch of a hoist according to a further advantageous embodiment of the invention, according to the cable entry guide between the cable drum and Seilumlenkrolle arranged, axially adjustable cable transverse guide means, said cable transverse guide means in different positions for the winding of different Operawickel Schemee the cable drum are shown
  • FIG. 5 is a plan view of the winch of a hoist according to a further advantageous embodiment of the invention, according to which the winch comprises two cable drums, which can be used as a main winch and auxiliary winch and are axially adjustable in the drum longitudinal direction,
  • FIG. 6 is a plan view of the winch of a hoist according to a further advantageous embodiment of the invention, according to which the winch comprises two cable drums, which can be used as a main winch and auxiliary winch and are mutually adjustable relative to each other axially in the drum longitudinal direction
  • 7 is a plan view of a winch of a hoist according to a further advantageous embodiment of the invention, according to which the cable drum is divided into several sub-winding areas and about a tilt axis transverse to the drum longitudinal direction is tilted, the two views Fig. 7a and Fig. 7b different Show tilting positions of the cable drum,
  • FIG. 8 is an illustration of a winch of a hoist according to a further advantageous embodiment of the invention, according to which the cable drum is divided into several sub-winding areas and about a pivot axis perpendicular to the drum longitudinal direction is pivotable, wherein the partial view Fig. 8a is a plan view of the cable drum and the partial view 8b shows a side view of the cable drum,
  • FIG. 9 is a plan view of a winch of a hoist according to a further advantageous embodiment of the invention, according to which the cable drum is divided into two or more Generalwickel Schemee and biaxially adjustable in their angular orientation, namely tiltable about a tilting axis and about a pivot axis pivotable, wherein the tilting axis and the pivot axis extend in mutually perpendicular directions,
  • FIG. 10 is an illustration of a winch of a hoist according to a further advantageous embodiment of the invention, according to which the cable drum is divided into several sub-winding areas and in its angular position - similar to the embodiment of FIG. 9 - biaxially adjustable, namely tiltable about a tilt axis and order a pivot axis is pivotable, wherein - unlike the embodiment of FIG. 9 - the cable drum is tiltable and pivotable relative to a fixed bearing plate and is connected to two operable in mutually perpendicular directions of action Stellaktoren, wherein the partial view Fig. 10a is a plan view of the winch and the partial view Fig. 10b shows a side view of the winch, and Fig.
  • 1 1 an illustration of a winch of a hoist according to a further advantageous embodiment of the invention, according to which the cable drum is divided into several Partwickel Schemee and biaxially adjustable in its angular position, wherein for angular adjustment of the cable drum one of the drum ends oscillating and stored the other of the drum ends is adjustable by an eccentric transverse to the drum longitudinal direction.
  • the winch 1 shown in the figures comprises a substantially cylindrical cable drum 2, on whose end faces two flanges 4 and 5 extending radially to the cable drum rotation axis 3 are provided, between which the winding region 6 of the cable drum 2 is defined.
  • a substantially cylindrical cable drum 2 on whose end faces two flanges 4 and 5 extending radially to the cable drum rotation axis 3 are provided, between which the winding region 6 of the cable drum 2 is defined.
  • the cable drum 2 bearing and / or drive stub 7 in the form of axially projecting stub shafts with which the winch 1 in a hoist of a crane or the like can be installed and stored longitudinally displaceable, as will be explained ,
  • the lateral surface of the cable drum 2 is, as Figure 1 shows, provided with cable grooves 8, which extend in the manner of a thread helically on the outside of the cable drum 2 to lead the wound rope, more precisely, the first rope layer on the cable drum 2.
  • the winding region 6 of the cable drum 2 is subdivided into two partial winding regions 10 and 11 by a further flanged disk 9, which sits between the two end flanges 4 and 5 on the cable drum 2 and likewise extends radially.
  • the additional flange disc 9 is located centrally between the two front side flanges 4 and 5, but it can be moved depending on the circumstances in the usual cable winder to one or the other flanged wheel 4 or 5 out.
  • the winding region 6 of the cable drum 2 can be subdivided by more additional flanged wheels 9 in more than two Operawickel Schemee. In the usual applications of a crane hoist, the problem can be However, between the winding layers einklemmenden hoist rope are already effectively prevented by an additional flanged wheel, so that an additional flanged wheel 9 is already sufficient.
  • a cable guide channel 13 is provided as a cable guide device 12 over the flanged disk 9, which cable groove 13 is incorporated into the lateral surface of the flanged disk 9 in a groove-like or groove-like manner.
  • the said cable guide channel 13 has in this case both partial winding areas 10 and 11, .d.h. on both sides of the flanged wheel 9 out, ends or mouths, so that it leads from the first part of the winding area 10 to the second part of the winding area 1 1.
  • the cable guide channel 13 is formed overall helical. Its inlet 14 facing the first part-winding region 10 lies approximately at the level of the uppermost winding layer, i. the rope 16 runs when it rests on the flanged wheel 9 only in the inlet 14 when the first part of winding area 10 completely wound and the rope runs in the uppermost winding layer on the flange 9.
  • the first wound part-winding area 10 is the one in which the attachment point of the cable 16 is provided on the cable drum 2.
  • the second sub-winding area 1 1 Upon further winding on the cable drum 2, the second sub-winding area 1 1 is then wound until it is full and the rope is completely wound up.
  • the second sub-winding area 1 1 empties until the cable 16 is unwound from the cable guide channel 13 during further unwinding while the outgoing end is guided over the flange 9 away in the first sub-winding area 10, so that this unwound can be.
  • the cable drum 2 in the axial direction, i. be moved approximately parallel to the drum rotation axis 3 and the drum longitudinal direction.
  • the two bearing carriages 17 and 18 can advantageously be longitudinally displaced independently of one another, wherein they are held in the axial direction relative to one another only by the cable drum 2. As a result, tensions of said bearing plates or bearing carriage 17 and 18 can be avoided.
  • an actuator 20 may be connected to one of the bearing carriage 17, which may be formed according to the illustrated embodiment, for example as a pressure cylinder and one of the bearing carriage 17 in the axial direction S shifts.
  • the cable drum storage is accordingly designed in the manner of a lot-fixed storage, the fixed storage by said actuator 20 is axially adjustable.
  • the displacement of the cable drum 2 in the axial direction can basically be controlled differently, wherein in an advantageous embodiment of the invention, the control is at least such that the deflection angle ⁇ of the running of the cable drum 2 or incoming rope 16 does not exceed a predetermined limit, advantageously 1, 5 ° is held.
  • a predetermined limit advantageously 1, 5 ° is held.
  • each sub-winding region 10 and 1 1 are each approached a plurality of axial positions to keep the deflection angle ⁇ of the cable 16 sufficiently small.
  • the axial positions of the cable drum 2 relative to the Seilumlenkrolle 21 are hereby advantageously varied for each sub-winding area 10 and 1 1 within a respective adjustment range, wherein the adjustment for the different sub-winding areas differently formed, in particular can be without overlap each other.
  • the cable drum 2 can also be adjusted continuously or quasi-continuously in the sense of incremental steps as a function of the rotational position of the cable drum 2 and the pitch of the cable grooves 2 in order to keep the aforementioned deflection angle ⁇ as low as possible.
  • the said deflection angle ⁇ itself can also be taken into account.
  • it can be monitored or determined by a suitable detection device, for example in the form of a limit switch or another sensor.
  • the actuator 20 can be controlled in dependence on the detected deflection angle ⁇ in order to keep said deflection angle ⁇ within a predetermined range or to a desired value.
  • the rotational speed of the cable drum 2 can advantageously be reduced in order to minimize wear on the cheeks of the cable guide channel 13.
  • the cable drum 2 can be moved into an axial position, in which said deflection angle ⁇ is minimal or goes to zero, so that the cable 16 runs exactly straight into the cable guide channel 13 in the flange 9, as Fig. 1 illustrates , 2, the cable drum 2 can also be divided into more than two Operawickel Schemee, according to the embodiment of FIG. 2, for example, two additional flanges 9 and 23 between the end-side, side flange 8 and 9 may be arranged to the winding area.
  • the cable drum 2 is subdivided into a plurality of sub-winding areas such that less than 40 windings are wound side by side and less than eight layers one above the other in one sub-winding area, the axial adjustment of the cable drum 2 and / or the cable inlet guide 24 being controlled in such a way, that the maximum deflection angle ⁇ does not exceed 1, 5 °.
  • the cable inlet guide 24 can be adjusted axially approximately parallel to the drum rotation axis 3.
  • the cable entry guide 24 may in this case comprise a cable deflection roller 21 which can be displaced axially displaceably in the longitudinal direction S in the aforementioned manner, wherein an actuator 20, for example in the form of a pressure medium cylinder, can provide a displacement of the cable deflection roller 21.
  • an actuator 20 for example in the form of a pressure medium cylinder
  • the Querverschiebritt the cable inlet guide 24 can also be effected by cable transverse guide means 25, which can be arranged between the Seilumlenkrolle 21 and the cable drum 2 and the cable 16 can transversely.
  • the said cable transverse guide means 25 may, for example, comprise two deflection rollers, between which the cable 16 runs.
  • the cable transverse guide means 25 can be axially displaced approximately parallel to the drum rotation axis 3, wherein an actuator 20 with said cable transverse guide means 25 is connected, for example, can be formed by a pressure cylinder.
  • the Seilumlenkrolle 21 align automatically and can adapt to the respective axial position of the cable cross guide means 25, said Seilumlenkrolle 21 can advantageously be pivoted, for example, gimbal mounted, so that the orientation of the pivot axis may change, see. Fig. 4, depending on which axial position take the cable transverse guide means 25.
  • the cable winch arrangement may also comprise two cable drums 2 and 26, of which a first cable drum 2 may be subdivided into a plurality of partial winding areas 10 and 11 in the manner described above.
  • an actuator 20 may be provided here, which may be connected, for example, with one of the bearing carriage 17 of the winch assembly.
  • the two cable drums 2 and 26 can also have different drum lengths or widths.
  • the cable drum 26 having only one winding area can be made wider than the cable drum 2 divided into different partial winding areas.
  • a Axialverschiebles the cable drums 2 and 26 may be provided relative to each other.
  • the cable 16 running away from or arriving at the cable drum 2 can also be kept small despite the fact that the cable drum 2 can be tilted about a tilting axis 30 despite several partial winding areas.
  • Said tilting axis 30 extends transversely to the drum longitudinal direction S and advantageously at least approximately perpendicular to the inlet direction of the cable 16, so that a skew of the cable with respect to the cable drum can be eliminated or minimized by tilting the cable drum.
  • said tilting axis 30 can thereby run approximately parallel to the fastening plane of the cable winch 1.
  • a bearing plate 17 may be tiltably mounted about the said tilting axis 30, while the opposite end plate 18 is adjustable by an actuator 32, for example in the form of an actuating cylinder such that the winch 1 can tilt about the tilting axis 30, as this a comparison of Figures 7a and 7b shows.
  • the cable drum 2 can also be designed to be pivotable about a pivot axis 31, in which case the said pivot axis 31 is aligned essentially perpendicular to the longitudinal axis of the drum and extends in the region of the cable drum. drum center may extend, so that perform the same movements when pivoting the cable drum 2 whose ends.
  • the said pivot axis 31 advantageously also extends at least approximately perpendicular to the inlet direction of the cable 16, cf. Fig. 8b.
  • the pivoting of the cable drum 2 can, as shown in FIG. 8, be achieved by corresponding pivotal suspension of the side end plates 17 and 18.
  • the aforementioned bearing plates 17 and 18 may be mounted on a base support 34 which is pivotally mounted about said pivot axis.
  • a corresponding pivot drive 33 By a corresponding pivot drive 33, the base support 34 and thus the cable drum 2 can be pivoted in the desired manner.
  • the tiltability of the embodiment of FIG. 7 and the pivotability of the embodiment of FIG. 8 can also be combined with one another, in particular such that the tilting axis 30 and the pivoting axis 33 are aligned in mutually transverse directions.
  • Such a biaxial angular adjustability of the cable drum 2 is particularly advantageous when the cable entry into the winch 1 is variable, i. the incoming / outgoing cable 16 is pivoted about the drum longitudinal axis or an axis parallel thereto, so that the cable entry point / rope discharge point moves in the circumferential direction.
  • This is often the case, for example, in cranes, which have a tilting arm, to which the inlet roller is attached, so that when the crane boom rises and falls, the cable entry direction pivots in the manner mentioned.
  • the bearing plates 17 and 18 of the cable drum 2 are similar to the embodiment of FIG. 7 tiltably mounted about a tilt axis 30 or connected to a corresponding tilting drive 32, wherein the tiltability is provided with respect to a base support 34, which in turn similar the embodiment of FIG. 8 pivotally mounted about the pivot axis 31 and can be actuated by a pivot drive 33.
  • the angular adjustability of the cable drum 2 can also be achieved by a mobility of the cable drum 2 relative to the end shields, as shown in FIGS. 10 and 11. According to FIG.
  • a rigidly fixed bearing plate 17 can be provided, on which the cable drum 2 is mounted with one of its ends rotatable and oscillating or tiltable. This is possible, for example, by a self-aligning bearing 35 with a spherically curved bearing shell.
  • the cable drum 2 is multi-axis tilted relative to said bearing plate 17.
  • two actuators are provided at the opposite end of the cable drum 2, which have mutually substantially vertical directions of action and make it possible to move the cable drum 2 at this end in each case perpendicular to the drum longitudinal direction S.
  • the one actuator here forms a tilting drive 32, while the other actuator forms a pivot drive 33, so that the cable drum two in the aforementioned manner about tilt and pivot axes 30 and 31 is both tiltable and pivotable.
  • an adjustment of the angular orientation of the cable drum 2 can also be achieved by an eccentric bearing.
  • one end of the cable drum 2 can be mounted rotatably and oscillating or tiltable on a bearing shield 17 which is rigid in itself.
  • the opposite end of the cable drum 2 is rotatably mounted in an eccentric 36 which is adjustable relative to a likewise rigidly mounted bearing plate 18.
  • Said eccentric 36 may in this case form a rotatable eccentric disc, which is mounted rotatably about an axis parallel to the drum longitudinal direction in said bearing plate 18.
  • said end of the cable drum 2 can be adjusted, so that a tilting or pivoting of the cable drum 2 is achieved about an axis transverse to the drum longitudinal direction.
  • a corresponding actuator may be provided to adjust said eccentric, wherein as an actuator, for example, an electric motor via a gear stage can drive said eccentric.
  • the tilting and / or pivoting of the cable drum 2 can in principle be controlled differently, wherein in an advantageous embodiment of the invention, the control is at least such that the deflection angle ⁇ of the running of the cable drum 2 or incoming rope 16 does not exceed a predetermined limit, advantageously ⁇ 1, 5 ° is maintained.
  • each sub-winding area 10 and 1 1 may be sufficient for each sub-winding area 10 and 1 1 a fixed angular position of the cable drum 2 with respect to the tilting axis 30 and / or with respect to the pivot axis 31.
  • each sub-winding region 10 and 1 1 each have a plurality of angular positions are approached to keep the deflection angle ⁇ of the cable 16 sufficiently small.
  • the tilting or pivoting positions of the cable drum 2 are here advantageously varied for each sub-winding area 10 and 11 within a respective adjustment range, wherein the adjustment ranges for the different sub-winding areas may be different, in particular non-overlapping with each other.
  • the cable drum 2 can also be tilted or pivoted continuously or quasi continuously in the sense of incremental steps as a function of the rotational position of the cable drum 2 and the pitch of the cable grooves 2 in order to keep the said deflection angle ⁇ as low as possible.
  • the setting of the angular position of the cable drum 2 and the said deflection angle ⁇ itself be taken into account.
  • it can be monitored or determined by a suitable detection device, for example in the form of a limit switch or another sensor.
  • the tilting drive 32 and / or the pivoting drive 33 can be activated as a function of the detected deflection angle ⁇ in order to keep the aforementioned deflection angle ⁇ within a predetermined range or to a desired value. If, after winding a partial winding area 0, the flange 9 delimiting this partial winding area 10 is run over by the cable 16, the rotational speed of the cable drum 2 can advantageously be reduced in order to minimize the wear on the cheeks of the cable guide channel 13.
  • the cable drum 2 can be tilted or pivoted, so that said deflection angle ⁇ is minimal or goes to zero, so that the cable 16 runs exactly straight into the cable guide channel 13 in the flange 9, as Fig. 1 illustrates.
  • the cable drum 2 can also be tilted or pivoted so that the rope runs away from the flanged wheels or end plates.
  • Said tilting or gift of the cable drum can optionally be combined with the axial displacement of the cable drum and / or the Seilumlenkrolle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)

Abstract

L'invention concerne un treuil à câble, en particulier un treuil d'un mécanisme de levage, comprenant un tambour à câble, dont la zone d'enroulement est délimitée par deux anneaux d'épaulement latéraux. Au moins un autre anneau d'épaulement est placé entre les anneaux d'épaulement latéraux et divise la zone d'enroulement en au moins deux zones d'enroulement partielles. Le câble peut être guidé par ledit ou lesdits autres anneaux d'épaulement dans les deux zones d'enroulement partielles ou plus. Le tambour à câble et/ou un dispositif de guidage transversal du câble agencé en amont du tambour à câble peuvent être déplacés transversalement à la direction longitudinale du câble entrant/sortant à peu près dans la direction longitudinale du tambour, et/ou le tambour à câble peut être déplacé transversalement à la direction longitudinale du tambour dans sa position angulaire par rapport à au moins un axe transversal.
EP12794199.5A 2012-01-27 2012-11-22 Treuil Active EP2807108B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012001592.5A DE102012001592B4 (de) 2012-01-27 2012-01-27 Seilwinde
PCT/EP2012/004834 WO2013110300A1 (fr) 2012-01-27 2012-11-22 Treuil à câble

Publications (2)

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EP2807108A1 true EP2807108A1 (fr) 2014-12-03
EP2807108B1 EP2807108B1 (fr) 2016-04-20

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US (1) US9783399B2 (fr)
EP (1) EP2807108B1 (fr)
KR (1) KR101945431B1 (fr)
CN (1) CN104144871B (fr)
DE (1) DE102012001592B4 (fr)
ES (1) ES2582329T3 (fr)
PL (1) PL2807108T3 (fr)
WO (1) WO2013110300A1 (fr)

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KR20140131930A (ko) 2014-11-14
CN104144871B (zh) 2017-05-17
US9783399B2 (en) 2017-10-10
ES2582329T3 (es) 2016-09-12
DE102012001592A1 (de) 2013-08-01
WO2013110300A1 (fr) 2013-08-01
PL2807108T3 (pl) 2016-10-31
KR101945431B1 (ko) 2019-02-07
US20150008381A1 (en) 2015-01-08
EP2807108B1 (fr) 2016-04-20
DE102012001592B4 (de) 2019-02-28
CN104144871A (zh) 2014-11-12

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