WO1997017106A1 - Winch for rope hoisting and lowering devices - Google Patents
Winch for rope hoisting and lowering devices Download PDFInfo
- Publication number
- WO1997017106A1 WO1997017106A1 PCT/CH1995/000288 CH9500288W WO9717106A1 WO 1997017106 A1 WO1997017106 A1 WO 1997017106A1 CH 9500288 W CH9500288 W CH 9500288W WO 9717106 A1 WO9717106 A1 WO 9717106A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive roller
- roller
- rope
- guide
- winch
- Prior art date
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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
- A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
Definitions
- the present invention relates to a hand winch according to the preamble of claim 1.
- Ascending / descending devices are preferably used to pull people or loads up or down on a rope. Preferred areas of application are rescue services or the mobile use of these devices in general.
- the ascending / descending devices essentially have the function of reducing the restraining force when abseiling in connection with securing against uncontrolled falling of the person or load hanging on the rope.
- the object of the present invention is therefore to provide a device which facilitates pulling on a pull rope and can be easily brought into engagement with the pull rope on the pull side of an up / down rope device.
- the winch according to the invention is therefore characterized in that the traction rope is guided over a first guide roller around a drive roller provided with a circumferential groove and finally over a second guide roller.
- the drive roller is slidably mounted so that it is pressed against the guide rollers under the pull of the rope.
- the running surface of the first guide roller presses the rope into the cut of the drive roller, whereby at least a frictional engagement of the rope with the drive roller is created.
- a rotating movement of the traction roller then leads to a corresponding movement on the pull rope.
- the drive roller has a hand crank, but a motorized drive, for example through a geared motor, is also conceivable.
- the circumferential groove in the drive roller is preferably tapered, i. H. with an essentially V-shaped cross-section, designed and additionally equipped with an uneven surface, on the one hand to ensure that the rope is clamped securely and to obtain a positive-locking component between the rope and the drive roller due to the shape of the surface.
- the guide rollers are preferably arranged in such a way that the driving roller is wrapped around at least 180 ° and preferably significantly more.
- Figure 1 shows a plan view of a hand winch according to the invention
- Figure 2 shows the hand winch with cuts through the drive roller according to II-II in Fig. 3;
- Figure 3 shows a front view of the hand winch
- FIG. 4 shows a guide roller in section according to IV-IV in FIG. 1.
- the rope 2 which comes from the ascending / descending device and is under appropriate tension, first passes through a previously known handle 3, which is provided with a clamping device 4.
- the clamping device 4 blocks the rope 2 from running back.
- Such handles are used, for example, to pull a rope by hand against the clamping direction of the clamping device.
- the handle has holes 5 with which it can be placed on bolts 6.
- the bolts 6 are fixed on the base plate 7 of the hand winch 8.
- the rope 2 runs from the handle 3 under a guide plate 9, over a second guide roller 10, around the drive roller 11 and finally over the first guide roller 12 on the output side where the free end 13 of the rope hangs freely.
- the guide rollers 10 and 12 can be simple rollers with a flat running surface that are freely rotatable on axes 14.
- the second guide roller 10 is preferably equipped with a concave tread, as shown in FIG. 4.
- a guide tongue 15 is also present.
- the guide rollers 10, 12 are arranged as close as possible to one another so that, on the one hand, the driving roller 11 is wrapped as far as possible through the loop-shaped cable section 25, without the opposite between the guide rollers 10, 12 continuous rope sections 2, 13 hinder each other.
- the wrap is the angular range in which the cable section 25 lies firmly against the drive roller 11 when it is pressed against the guide rollers 10, 12.
- the drive roller 11 is easily rotatably mounted on an axle stub 18 which is located on the slider 19.
- the slider 19 is slidably arranged in the incision 20 in the base plate 7.
- a fuse 21 is also present, in the present case a screw with a washer that narrows the opening of the incision 20.
- the crank 16 with a rotatably mounted handle 17 is attached directly to the drive roller 11.
- the loop-shaped cable section 25 lies completely in the groove 22 of the drive roller 11 (FIG. 3).
- the flanks 23 of the groove 22 are, as can be seen in the section through the drive roller 11 in FIG. 2, additionally provided with depressions 24 which are arranged offset on the two flanks 23 with respect to one another.
- the unevenness of the flank surface thus generated creates an additional positive connection between the cable section 25, which lies in the groove 22, and the drive roller 11.
- FIG. 2 in contrast to FIG. 1, the state of the drive roller 11 during the actuation of the hand winch 8 is shown: under the pull of the cable 2, the drive roller 11 has moved towards the guide rollers 10, 12, the running surfaces of which, in particular that of the first guide roller 12, push the rope 2, 25 deep into the groove 22. This results in a coupling of the rope 2, 25 to the drive roller 11, which becomes even stronger as the tension on the rope 2 increases. Initially, if the train is still picked up by the clamping device 4, the drive roller can also be pressed by pulling on the free end 13 11 to the guide rollers 10, 12 are effected.
- the groove 22 is V-shaped in cross section.
- FIG. 3 finally shows the preferred fastening device 30, which is attached to the back of the base plate 7. It essentially consists of a clamping device with a clamping screw 31.
- the hand winch can thus be fastened, for example, to a profile tube 32 of a tripod, at the tip of which the up / down rope device is fastened, for example when installed above a shaft opening.
- the second guide roller 10 could also be dispensed with and instead a simple, stationary cable guide or a cable guide moving with the drive roller could be provided.
- the hand crank can be adjustable in length.
- the opening of the incision 20 can be completely closed by a screwed-on or otherwise fastened plate or the like.
- the preferred materials for the parts of the hand winch are high-quality aluminum alloys and, for example, plastic guide rollers, which are less loaded.
- the choice of material can, however, be freely made to a large extent under the applicable requirements, as long as a secure coupling of the traction cable to the drive roller is guaranteed under the operating conditions.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulleys (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Jib Cranes (AREA)
- Ropes Or Cables (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95936931A EP0859646B1 (en) | 1995-11-06 | 1995-12-04 | Winch for rope hoisting and lowering devices |
AT95936931T ATE214622T1 (en) | 1995-11-06 | 1995-12-04 | WINCH FOR ASCENT/DOWN DEVICE |
DE59510118T DE59510118D1 (en) | 1995-11-06 | 1995-12-04 | WINCH FOR ROPE / DESCELLER |
AU39216/95A AU3921695A (en) | 1995-11-06 | 1995-12-04 | Winch for rope hoisting and lowering devices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3135/95 | 1995-11-06 | ||
CH313595 | 1995-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997017106A1 true WO1997017106A1 (en) | 1997-05-15 |
Family
ID=4249380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1995/000288 WO1997017106A1 (en) | 1995-11-06 | 1995-12-04 | Winch for rope hoisting and lowering devices |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0859646B1 (en) |
AT (1) | ATE214622T1 (en) |
AU (1) | AU3921695A (en) |
DE (2) | DE59510118D1 (en) |
WO (1) | WO1997017106A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10210969A1 (en) * | 2002-03-13 | 2003-10-09 | Mittelmann Armaturen | Abseil device with winding function for abseiling has second lever element able to move on first lever element |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH702910A2 (en) * | 2010-03-16 | 2011-09-30 | Flakes S A | Winding device for flexible bond. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1481900A1 (en) * | 1966-12-14 | 1969-06-12 | Stahlberg Hans Joachim | Abseiling winch |
FR2212757A5 (en) * | 1973-01-02 | 1974-07-26 | Fertier Raymond | |
WO1990012620A1 (en) * | 1989-04-21 | 1990-11-01 | Per Klokseth | Rescue appliance for lowering persons from or out of buildings |
WO1991008798A1 (en) * | 1989-12-20 | 1991-06-27 | Per Klokseth | Apparatus for lowering people from buildings and the like |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2307761A1 (en) * | 1975-04-18 | 1976-11-12 | Dressler Bruno | SELF-LIFTING HOIST |
DE3243754C2 (en) * | 1982-11-26 | 1994-04-21 | Heinz Haenel | Drive device for a pull rope |
-
1995
- 1995-12-04 EP EP95936931A patent/EP0859646B1/en not_active Expired - Lifetime
- 1995-12-04 AU AU39216/95A patent/AU3921695A/en not_active Abandoned
- 1995-12-04 WO PCT/CH1995/000288 patent/WO1997017106A1/en active IP Right Grant
- 1995-12-04 AT AT95936931T patent/ATE214622T1/en not_active IP Right Cessation
- 1995-12-04 DE DE59510118T patent/DE59510118D1/en not_active Expired - Fee Related
- 1995-12-05 DE DE29519252U patent/DE29519252U1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1481900A1 (en) * | 1966-12-14 | 1969-06-12 | Stahlberg Hans Joachim | Abseiling winch |
FR2212757A5 (en) * | 1973-01-02 | 1974-07-26 | Fertier Raymond | |
WO1990012620A1 (en) * | 1989-04-21 | 1990-11-01 | Per Klokseth | Rescue appliance for lowering persons from or out of buildings |
WO1991008798A1 (en) * | 1989-12-20 | 1991-06-27 | Per Klokseth | Apparatus for lowering people from buildings and the like |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10210969A1 (en) * | 2002-03-13 | 2003-10-09 | Mittelmann Armaturen | Abseil device with winding function for abseiling has second lever element able to move on first lever element |
Also Published As
Publication number | Publication date |
---|---|
DE29519252U1 (en) | 1996-01-25 |
EP0859646B1 (en) | 2002-03-20 |
EP0859646A1 (en) | 1998-08-26 |
AU3921695A (en) | 1997-05-29 |
ATE214622T1 (en) | 2002-04-15 |
DE59510118D1 (en) | 2002-04-25 |
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