EP0756575A1 - Winde - Google Patents
WindeInfo
- Publication number
- EP0756575A1 EP0756575A1 EP95915865A EP95915865A EP0756575A1 EP 0756575 A1 EP0756575 A1 EP 0756575A1 EP 95915865 A EP95915865 A EP 95915865A EP 95915865 A EP95915865 A EP 95915865A EP 0756575 A1 EP0756575 A1 EP 0756575A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- drum
- rope
- conical
- roller
- 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
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
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7415—Friction drives, e.g. pulleys, having a cable winding angle of less than 360 degrees
Definitions
- the invention relates to a device for holding and tensioning ropes, ropes or lines, particularly in as sheet, downdraft or anchor winches, in tackle or pulley blocks by means of conical disks which are connected to one another in a fixed or drive manner and which are connected by motor or by hand Crank or a cable can be driven and have a surface profile that generates a sufficient holding force with only one loop of the traction means.
- the profiles of the conical discs are designed so that the holding forces are generated primarily by positive locking and not by friction locking as in previously known designs.
- the surface profile is designed in such a way that when the lines engage, the lines are compressed longitudinally by the conically constricted waves and thus increase in volume. By moving the upper to the lower wave profile, the entire volume increase of the line is pressed into the opposite wave trough.
- the shaft is designed such that the flank of the profile is steeper in the pulling direction than in the downward direction in order to prevent the rope from being pulled through.
- the steepness of the pulling wave flank and the formation of the wave rounding are designed in such a way that there is no notch effect which damages the rope or its sheathing. As a result, a considerable improvement in the clamping effect is achieved compared to the prior art without a rope-destroying wear effect. Waves are also to be understood as webs or ribs.
- the profile can be placed in an arc shape or straight against the pulling direction.
- An arm, pin or roller attached to the base body on which the cable drum or the conical pulleys are rotatably arranged preferably prevents an inadvertent pulling on the loose line or sheet end, thereby removing the tensioning means the clamping groove would be pulled out.
- this guide pin or this role serves to determine a minimum wrap of the drum or the groove of the conical disks. According to the invention, this role is on a radial. To be arranged in the direction of the movable lever held by a spring.
- this pin can also make sense to arrange this pin rotatably in the direction of tension in the wrap direction, on the one hand to achieve the maximum possible wrap, on the other hand to reduce the wrap by returning the pin against the spring pressure and thus to enable the tensioning means to be loosened (fished).
- a scraper is also attached to the main body parallel to the axis of rotation of the drum, so-called overruns can be effectively prevented, which arise when the free or loose end of the line is pulled under the pulling (tensioned) line and thus clamped by rotating the drum.
- the pin or the roller and the scraper are preferably arranged at approximately the same distance from the longitudinal axis of the drum. They can also be combined in one element.
- the scraper has a finger or wedge-shaped arm which projects into the keyway between the conical disks but at a distance from them.
- the distance to the bottom of the groove should be max. correspond to the thickness of the rope or rope to be tensioned. This provides precaution against multiple wrapping of the drum and thus prevents dangerous overruns.
- the device is also provided with a reduction gear with an upstream conical disk brake mechanism and with a ratchet clutch that can be switched off for the direct drive of the cable drum.
- FIG. 1 is a perspective view of a device according to the invention with an inserted rope
- La is a view from the pulling direction of the rope
- FIG. 2 shows a cross-sectional view of the device according to FIG. 1,
- FIG. 8 shows a detailed representation of FIG. 7, Fig. 9-12 sectional views along section lines AA, BB and CC in Fig. 7, and
- FIG. 13 shows, in two views, an application according to the invention in the violin block of a main sheet block and tackle with a clamping roller 201 according to the invention and a resilient looping pin 202.
- the winch 100 shown in FIG. 1 is basically known from DE 26 02 629 C3.
- a drum 11 consisting of two rotatably mounted conical disks 111, 112 is rotatably known, in the groove of which a cable 110 can be inserted.
- the drum 11 has a drive head 12 with a recess 13 into which a ratchet crank, not shown in the drawing, can be inserted.
- a locking mechanism can also be used which, depending on the crank rotation, releases the desired direction of rotation, but blocks the opposite direction when the crank is released and vice versa.
- an arm, a roller or a pin 15 and a wiper 16 are arranged parallel to the axis of rotation of the drum 11 and at a short distance from the keyway of the conical disks.
- the latter has one Wedge-shaped protuberance 17, which projects into the keyway 18 between the conical disks 111 and 112, but at a distance from the keyway base 18a. The distance should be smaller than the thickness of the rope or rope 110 to be tensioned.
- the drum 11 consists of an upper conical disc 111 and a lower conical disc 112, which are centered by a bushing 113, which at the same time allows adjustment to different rope diameters by changing their height and is connected by screws 19 and are rotatably arranged relative to the base body 10.
- the rotatable mounting is known from the prior art, so that there is no need to go into this further.
- the wrap pin 15 is shown offset in the plane of the drawing.
- the upper conical disk 111 shown in FIGS. 3a-c has on its inside purple a straight or curved profile, which consists of waves running in the form of rays.
- Their pitch t corresponds to about half to a rope strength and their profile is offset by 1/2 t to the lower cone pulley 112.
- the profiles are directed inward, like purple, c, d, so that the divisions of the upper against the lower are offset by 1/2 division.
- the angle alpha of the conical pulley profiles can be adapted to the rope design.
- the profiles 111 and 112a, c, d change their cross section over their course, as shown in FIGS. 3d and 3e.
- the waves forming the profiling have a distance t which, owing to the start, increases to a distance T in the region of the edge 111b.
- the lower conical disk 112 shown in Fig. 4a-c has holes 23 for the passage of the screws 19, furthermore, like the upper conical disk 111, a central bore 24 to 25 for receiving the drive head 12 or a hollow shaft in order to rotate the drum 11 to ensure relative to the base body 10.
- the profiling 112a, c, d of the lower conical disk corresponds in terms of the profile profile and the orientation of the profiling purple, c, d with the proviso that it runs in opposite directions in the case of double-acting winds.
- the profiling purple, c or 112a, c ensures, on the one hand, that the rope is guided in the direction of rotation with respect to the groove base 18a, while the opposing profiling on the opposite side increases the frictional action of the tensioning means inserted.
- the direction of pull is designated Z here.
- the bottom of the groove 18a is formed by a cylinder liner which centers both conical disks and with which the clearance is set for different rope strengths.
- Fig. 5 and 6a-c The profiling shown in Fig. 5 and 6a-c is shown so that the holding force of the tapered drums is effected by a positive profile, which is designed on the one hand so that it generates the required holding force and on the other hand the ropes, ropes or lines are not worn out or a braided sheath is overstressed or torn.
- the structure of the profiling is such as can be seen in particular from FIGS. 6a to 6c.
- the basic radius R of the drum profiles in the corresponding contact circle of the rope, rope or line is designed in accordance with or smaller than the radius of the rope, rope or line.
- the head radius r of the profile is greater than 1.5 mm and less than 3 mm in contact diameter (1.5 mm ⁇ r ⁇ 3 mm).
- the angle of attack of the profile against the direction of pull is 35 ° - 45 ° and the center line M of the profile runs through the center of the drum or affects a circle with a diameter d smaller than the outer diameter D of the drum.
- the profiling of the upper conical disk in opposite, d. H. mirror-image direction as the profiling of the lower conical disk runs.
- the height H of the profile is at least 2 mm and a maximum of 3 mm, and that the flank angle alpha of the profile is steeper in the pulling direction than on the opposite side (flank angle Beta) of the profile.
- the top of the profile is provided with a wear-reducing hard layer.
- the winch 200 is shown as a further embodiment in FIGS. 7 to 12.
- a base body 31 is screwed on a bearing flange 32.
- the lower drum part 33 is rotatably mounted thereon, since it is connected to the upper drum part 34 by means of screws 35.
- the drive of the winch drum can be coupled directly to the drum when the crank rotates via the crank receptacle 36, the latches 37 (section AA).
- the locking ring brake consisting of brake cone surface 36a, brake locking disk 39 and gear shaft 38 opens, so that the pawls 40 (section BB) can grip, but the locking brake ring 39 can rotate freely.
- the gear pawls 42 cannot grip, the gear shaft 36 rotates freely in the central pinion 43.
- the planetary gear consisting of central pinion 43, intermediate gears 44, planet gears 45 driven by the drum teeth 33a overtakes the direct coupling and only rotates. If the tensile force in the rope increases so much that the 1: 1 drive is no longer sufficient and the crank movement is stopped, the drum (33 + 34) is pulled back by the pull rope until the gear pawls 42 engage in the central pinion 43.
- the central pinion is coupled to the gear shaft 36, which now rotates with its left-hand thread 38a into the crank receptacle 36 and clamps the locking brake ring 39 and takes it to the left until it catches the pawls 40 in the locking ring 39. This will block the winch and maintain traction.
- a switching disc 46 with a non-slip profile 46a and a stop pin 47 is supported on the upper drum part 34.
- a switching ring 48 with locking grooves 48a and pawl windows 48b is pressed into the switching disc.
- a stop pocket 49 which limits the stop movement of the switching disk 46 via the stop pin 47.
- a ball locking element 51 which locks into the locking grooves 48a of the locking ring 48 and holds the switching disc in the set position.
- a violin block 200 is shown in a side view and in section to illustrate an application of the invention, the pinch roller with 201 and the U looping pin with 202 are designated.
- Reference list
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Pulleys (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95915865A EP0756575B1 (de) | 1994-04-19 | 1995-04-04 | Winde |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94106051 | 1994-04-19 | ||
| EP94106051A EP0685423A1 (de) | 1994-04-19 | 1994-04-19 | Vorrichtung zum Spannen von Tauen, Seilen oder Drähten |
| EP95915865A EP0756575B1 (de) | 1994-04-19 | 1995-04-04 | Winde |
| PCT/EP1995/001338 WO1995028349A1 (de) | 1994-04-19 | 1995-04-04 | Winde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0756575A1 true EP0756575A1 (de) | 1997-02-05 |
| EP0756575B1 EP0756575B1 (de) | 1998-01-21 |
Family
ID=8215874
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94106051A Withdrawn EP0685423A1 (de) | 1994-04-19 | 1994-04-19 | Vorrichtung zum Spannen von Tauen, Seilen oder Drähten |
| EP95915865A Expired - Lifetime EP0756575B1 (de) | 1994-04-19 | 1995-04-04 | Winde |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94106051A Withdrawn EP0685423A1 (de) | 1994-04-19 | 1994-04-19 | Vorrichtung zum Spannen von Tauen, Seilen oder Drähten |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP0685423A1 (de) |
| AU (1) | AU684362B2 (de) |
| DE (1) | DE59501336D1 (de) |
| NZ (1) | NZ284073A (de) |
| WO (1) | WO1995028349A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE532850C2 (sv) * | 2007-11-09 | 2010-04-20 | Selden Mast Ab | Anordning för linvinsch på segelbåt |
| WO2018185379A1 (fr) * | 2017-04-06 | 2018-10-11 | Maes Nicolas | Moufle de palan, et dispositif de tension de ligne mettant en oeuvre une telle moufle |
| FR3064992B1 (fr) * | 2017-04-06 | 2020-11-06 | Nicolas Maes | Moufle de palan, et dispositif de tension de ligne mettant en œuvre une telle moufle |
| CN112694025B (zh) * | 2020-12-22 | 2022-06-21 | 山东百海逸机电股份有限公司 | 一种固装绞车速度传感器的机械装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB327560A (en) * | 1929-03-27 | 1930-04-10 | Karl Dingertz | Improvements in or relating to winches |
| US3078074A (en) * | 1960-05-19 | 1963-02-19 | Benson S Anchors Inc | Windlass |
| ES416699A1 (es) * | 1972-07-08 | 1976-06-16 | Greifzug Hebezeugbau Gmbh | Perfeccionamientos en las poleas para cables. |
| CA1032524A (en) * | 1973-12-19 | 1978-06-06 | Derek J. Fawcett | Winch |
| DE2602629C3 (de) * | 1976-01-24 | 1978-08-24 | Robert 2000 Hamburg Kieslich | Vorrichtung zum Spannen von Tauen, Seilen oder Drähten |
| US4151980A (en) * | 1976-11-26 | 1979-05-01 | Lewmar Marine Limited | Winch |
| US4225118A (en) * | 1978-11-20 | 1980-09-30 | Barient Company | Direct drive deck winch |
| AT366967B (de) * | 1980-08-11 | 1982-05-25 | Elin Union Ag | Seilrollenanordnung fuer den antrieb von selbstfah-renden seilbahnfahrzeugen |
| US4603839A (en) * | 1983-05-27 | 1986-08-05 | Igelfors Bruks Ab | Device for transport or displacement of elongated objects in particular, as well as a pulling or traction wheel comprised in said device |
| FR2637579B1 (fr) * | 1988-10-11 | 1992-03-06 | Gattioni Laurent | Appareil pour la traction de charges sur cables lisses |
| GB2255763A (en) * | 1991-03-12 | 1992-11-18 | Cambril Investments Ltd | Improved rope winch. |
-
1994
- 1994-04-19 EP EP94106051A patent/EP0685423A1/de not_active Withdrawn
-
1995
- 1995-04-04 DE DE59501336T patent/DE59501336D1/de not_active Expired - Fee Related
- 1995-04-04 EP EP95915865A patent/EP0756575B1/de not_active Expired - Lifetime
- 1995-04-04 AU AU22573/95A patent/AU684362B2/en not_active Ceased
- 1995-04-04 WO PCT/EP1995/001338 patent/WO1995028349A1/de not_active Ceased
- 1995-04-04 NZ NZ284073A patent/NZ284073A/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9528349A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1995028349A1 (de) | 1995-10-26 |
| AU684362B2 (en) | 1997-12-11 |
| EP0756575B1 (de) | 1998-01-21 |
| EP0685423A1 (de) | 1995-12-06 |
| DE59501336D1 (de) | 1998-02-26 |
| AU2257395A (en) | 1995-11-10 |
| NZ284073A (en) | 1998-07-28 |
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