EP0586030A1 - Appareil de levage avec un dispositif de levage - Google Patents

Appareil de levage avec un dispositif de levage Download PDF

Info

Publication number
EP0586030A1
EP0586030A1 EP93250233A EP93250233A EP0586030A1 EP 0586030 A1 EP0586030 A1 EP 0586030A1 EP 93250233 A EP93250233 A EP 93250233A EP 93250233 A EP93250233 A EP 93250233A EP 0586030 A1 EP0586030 A1 EP 0586030A1
Authority
EP
European Patent Office
Prior art keywords
housing
connecting element
load
hoist according
handle
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
EP93250233A
Other languages
German (de)
English (en)
Other versions
EP0586030B1 (fr
Inventor
Harald Bitsch
Heinz Hasselmann
Johannes Kluge
Wolfgang Krebs
Uwe Lichtenvort
Anton Münzebrock
Günter Somborn
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0586030A1 publication Critical patent/EP0586030A1/fr
Application granted granted Critical
Publication of EP0586030B1 publication Critical patent/EP0586030B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00Portable or mobile lifting or hauling appliances
    • B66D3/18Power-operated hoists

Definitions

  • the invention relates to a hoist with a lifting device according to the preamble of claim 1.
  • Such a hoist with a lifting device is known from DE 25 13 031 C2.
  • the lifting device is connected to a traction means which can be wound up or unwound therefrom and a control device is arranged at the free end thereof.
  • a load suspension device is attached to the control device.
  • the control device has a housing to which a straight and horizontally arranged handle is attached for manipulating the load hanging on the load-carrying means.
  • Switching elements for controlling the lifting device are arranged in the housing and can be actuated via switches arranged on the housing. The switches can be reached by the thumb of a hand gripping the handle without having to release the hand from the handle.
  • a bracket made of a high-strength material, for example steel, is arranged in the housing, at the upper end of which the traction means engages and the load-carrying means is fastened at the lower end.
  • This bracket is designed as a rectangular frame in order to provide sufficient installation space for the switching elements within the housing.
  • the invention is therefore based on the object of providing a lifting device with a lifting device and a control device acting on the load suspension device, which provides a secure seal of the switching elements arranged in the control device against environmental influences, such as e.g. Has moisture, dust.
  • the sealing of the electrical part against external influences is fundamentally facilitated.
  • the at least partially Integration of the fixed connecting element in the partition wall enables a particularly compact design of the control device.
  • the arrangement of the connecting element - seen in a housing hanging on a traction device - in a vertical position and the design as a flat sheet steel strip leads to a torque-free passage of the load acting on the load suspension device through the housing to the traction device, which is in particular designed as a chain.
  • the load-bearing function of the control device is clearly assigned to the sheet steel strip.
  • the housing with the handle has the task, on the one hand, of protecting the switching elements and the actuating mechanism and, on the other hand, of transferring the handling forces of the operator to the connecting element.
  • the design of the connecting element as a sheet steel strip for the transmission of the load proves to be optimal.
  • the load range of the hoist according to the invention is expanded to approximately 250 kg by the direct power flow.
  • the housing also serves to transmit the handling forces of the operator, who acts on the connecting element and thus the load via the handle and the housing. It proves to be particularly advantageous to provide the connecting element and the partition with bores in order to guide the switching plunger of the switching elements out of the electrical part into the mechanical part of the control device. As a result, the switching plungers can be sealed particularly easily.
  • this sealing can take place via hat-shaped sealing elements which are placed over the switching plunger and whose open ends are positively connected to the boundary edges of the bores.
  • the vertically divided design of the electrical part of the housing also proves to be particularly advantageous since, after removing the container-shaped cover, the switching elements are exposed to such an extent that the switching contacts can be easily connected to the lines.
  • the horizontal separation of the mechanical part of the housing at the level of the middle of the handle and an additional vertical separation of the upper, mechanical part in front of and immediately adjacent to the partition and the connecting means This ensures that the actuating mechanism for the switching elements is particularly easily accessible after removal of the upper housing part.
  • the lower mechanical housing part including the lower half of the handle and the front electrical part form an L-shaped housing unit in side view, which surrounds the connecting element in a form-fitting manner, that the operating forces introduced on the handle securely on the connecting element and thus the load-carrying means be transmitted.
  • the 1 shows a hoist with a lifting device 1 which can be moved horizontally on a rail.
  • the lifting device 1 is used to raise or lower a load-carrying device 3, which is connected to the lifting device 1 via a traction device 2 and is designed as a hook.
  • a control device 4 is arranged between the load-carrying device and the end of the traction device 2.
  • the control device 4 contains switching elements, not shown, by means of which the lifting device 1 can be switched via a control line 5 which is helically guided around the traction means 2.
  • the control device 4 has a handle 6, seen horizontally on the control means 4 and hanging vertically on the traction means, and arranged on the front of the housing 6. The handle 6 is used for manually guiding the load hanging on the control device 4 via the load suspension means 3 by an operator.
  • control device 4 shows a longitudinal section through a control device 4 according to the invention with the handle 6 partially shown.
  • control device 4 is essentially constructed from a housing 7 and a connecting element 8, which is designed in particular as a sheet steel strip.
  • the connecting element 8 extends in the longitudinal direction through the entire housing 7 and, when the control device 4 is suspended on the traction means 2, protrudes out of the housing 7 at the top and bottom. 2 also shows that the connecting element 8 and a partition 20 divide the interior of the housing 7 into a mechanical part 11 and an electrical part 12 lengthways and parallel to the longitudinal extent of the handle 6.
  • the switching elements 13, in particular in the form of pressure snap switches, for controlling the lifting device 1 and an emergency stop switching element 14 are arranged.
  • the switching elements 13, 14 arranged one above the other are enclosed by the side walls 19 and the partition wall 20 of the housing 7 and by the connecting element 8 in the form of a container.
  • the electrical part 12 of the housing 7 that is open to the outside is closed in a water and dust-tight manner by a cover 15 which is also designed in the form of a container. With the cover 15 removed, the switching elements 13, 14 protrude beyond the side walls 19 of the housing 7 to the rear.
  • the mechanical part 11 of the housing 7 serves to receive the switching plungers 16 of the switching elements 13, 14, which are guided through bores 17 in the connecting element 8 and the partition 20, and the actuating mechanism for transmitting the switching forces from the outside to the housing 7 and not shown, to one switching paddle two-armed and mounted on a lever shaft 24 lever 18, via which the two switching plunger 16 of the switching element 13 can be actuated.
  • the switching plunger 16 of the emergency stop switching element 14 can be actuated via a push button 34, which is arranged in the housing wall on the front of the mechanical part 11 above the handle 6.
  • the switching plungers 16 are surrounded within the mechanical part 11 by sealing elements 32 designed as rubber membranes, which seal tightly with the bores 17.
  • the sealing elements 32 are hat-shaped and have a circumferential bend in their side wall in order to enable the sealing element 32 to be folded in a targeted manner when the switching plunger 16 is actuated. It can also be seen from FIG. 2 that the mechanical part 11 of the housing 7 is horizontally divided into an upper part 11o and a lower part 11u at the level of the lever shaft 24, which is level with the center of the handle 6.
  • the upper part 11o additionally has a vertical and parallel to the connecting element 8 separating plane, so that when the upper part 11o is removed, the electrical part 12o and the lower part 11u of the housing are L-shaped in side view and accordingly the upper part 11o is angular is trained.
  • FIG. 3 shows a cross section through the control device 4 according to the invention with the upper part 110 of the housing 7 removed according to the section line II in FIG. 2.
  • This figure clearly shows that the limitation of the electrical part 12 of the housing 7 consists of the side wall 19 of the housing 7, the connecting element 8 of the partition 20 and the cover 15.
  • the container-shaped electrical part 12 of the housing 7 is formed by side walls 19 and the bottom by the connecting element 8 and the partition 20.
  • the connecting element 8 extends parallel and adjacent to the dividing wall 20 and is surrounded by webs 20 'on its lateral edges.
  • the housing 7 of the mechanical part 11 has essentially the shape of an oval ring at the height of the handle 6, the handle 6 being located on one long side of the oval, which is part of the mechanical part 11 of the housing 7.
  • the mechanical part 11 of the housing 7 assumes a cuboid shape and merges towards the rear into the likewise cuboid electrical part 12 of the housing 7.
  • a rocker switch 21 is arranged, which can be pivoted about horizontal rocker shafts 22 mounted in the housing 7.
  • the rocker shafts 22 are provided at the ends facing away from the shift rockers 21 with gear segments 23, which in turn mesh with further gear segments 23 '.
  • the gear segments 23 ' are arranged at the ends of a common lever shaft 24, which is aligned with its longitudinal extent parallel to the width of the housing 7. In the middle of the horizontal lever shaft 24 the two-armed lever 18 is slid on, which is used via its lever ends to actuate the switching plunger 16 of the switching elements 13.
  • the rocker shafts 22 and the lever shaft 24 are arranged at an angle a to one another, the angle a being approximately 70-85, in particular 83 degrees. This results in an inclination of the rocker shaft 22 in the direction of the center 6m of the handle 6. This inclination is continued in the contact surface 25 for the actuating thumb on the rocker switch 21, since this contact surface 25 is at an angle b of approximately 10-20, in particular 15 degrees is inclined to the axis of the rocker shaft 22.
  • the central region 27 - shown in dash-dotted lines - (see also FIG. 5) of the support surface 25 merges without a step into the outside of the handle 6a in order to avoid a disruptive edge for the actuating thumb.
  • the angle between the rocker shaft 22 and the central region 27 has been chosen somewhat smaller than the angle b and is between 5 and 15 degrees, in particular it is 10 degrees.
  • the handle 6 is designed in the form of a ring segment which, when viewed from the electrical part 12 of the housing, is convexly curved. The curvature of the handle 6 is selected so that the outside 6a of the handle 6 intersects the contact surface 25 of the rocker switch 21 in an imaginary extension of the curvature.
  • the curvature of the handle 6 and the angular position of the support surface 25 are directed towards one another, so that the transition from the handle 6 to the support surface 25 is largely fluid and thus an ergonomic posture of the hand, in particular of the thumb, is ensured.
  • the handle 6 is formed symmetrically to an imaginary plane running perpendicularly and transversely through the center 6m of the handle 6.
  • two straight lines G can be drawn in for this purpose, the included angle c of which represents a measure of the curvature of the handle.
  • the auxiliary straight lines G begin in the direction seen in the transverse and longitudinal directions in the middle of the handle 6m and each run through the center of the handle ends 6e seen in the transverse direction.
  • the included angle c is in the range between 150-170 degrees and is in particular 160 degrees.
  • the width f of the handle 6 is 100-110 mm. especially 105 mm.
  • the connecting element 8 shows a front view of the connecting element 8, which is designed in particular as a steel sheet.
  • the connecting element 8 is in the form of a band and is provided on the flat side and in the middle with three bores 17 spaced apart in the longitudinal direction.
  • the bores 17 serve for the passage of the switching plunger 16.
  • two further fastening bores 26 are arranged, into which form-fitting pins are inserted, which are part of a half of the longitudinally divided connecting pieces 10.
  • Another bore 26 'arranged between the fastening bores 26 serves to receive a screw, not shown, for connecting the longitudinally divided connecting pieces 10 to the connecting element 8.
  • the lower connecting piece 10 is connected to a load-carrying means 3, the bolt of which is partially shown.
  • the upper connecting piece 10 serves to fasten the traction means 2 to the connecting element 8.
  • the connecting pieces 10 and the ends 9 of the connecting element 8 protruding from the housing 7 at the top and bottom are covered by caps 31.
  • the lower cap 31 can be displaced vertically in order to be able to unlock the bolt for fastening the load-carrying means 3.
  • FIG. 5 shows a section from the area of the rocker switch 21 according to the section line II - II in FIG. 3 but with the rocker switch 21 actuated downward and the upper part 11o of the housing 7 inserted.
  • the rocker switch 21 has the function of a two-armed lever comparable and has a central bore for receiving the rocker shaft 22, so that the lever arms have the same length.
  • the rocker switch 21 on the side facing away from the housing 7 and protruding from it has a support surface 25 for the thumb of the operating hand, which is inclined in the direction of the rocker shaft 22.
  • the bearing surface 25 is divided into a central region 27, a transition region 28 and an edge region 29.
  • the central region 27 of the bearing surface 25 is arranged opposite the rocker shaft 21, so that the length of the lever arms is very short.
  • the central region 27 is slightly convex when viewed from the outside.
  • the central region 27 serves to receive the actuating thumb in the rest position and has a width e of 15-25 mm, in particular 20 mm, oriented transversely to the rocker shaft 22. In the rest position of the rocker switch 21, the central region 27 is oriented vertically.
  • transition regions 28 provided with a small radius, which then merge into the edge region 29 with a noticeable edge 30.
  • the edge regions 29 and the central region 27 are each arranged at an angle d to one another which is 25-35 degrees, in particular 28 degrees.
  • the free ends of the edge region 29 have a projection 29 'on the side facing away from the actuating surface 25, as a result of which the edge region 29 is given a hook-shaped configuration when viewed from the side.
  • the length of the rocker switch 21 is selected so that when the actuated edge region 29 abuts the housing 7, the latter projects beyond the contour of the housing 7 upwards or downwards.
  • the projection 29 ' is directed towards the wall of the housing.
  • the distance g which lies between the inside of the handle end 6e and the edge region 29 of an actuated rocker switch 25.
  • This distance g assumes values of 15-25 mm, in particular 21 mm, and thus determines the distance between the thumb surface and the side surface of the index finger.
  • the selected values allow a powerful and fatigue-free actuation of the rocker switch 25.
  • a flap 33 on a round Approach of the rocker switch 21 is performed. The flap 33 pivots when the switching rocker 21 is actuated by a driver with it and thus closes a gap which arises between the housing 7 and the non-actuated end of the switching rocker 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Manipulator (AREA)
EP93250233A 1992-09-03 1993-08-25 Appareil de levage avec un dispositif de levage Expired - Lifetime EP0586030B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4229673 1992-09-03
DE4229673A DE4229673C1 (fr) 1992-09-03 1992-09-03

Publications (2)

Publication Number Publication Date
EP0586030A1 true EP0586030A1 (fr) 1994-03-09
EP0586030B1 EP0586030B1 (fr) 1996-06-19

Family

ID=6467297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93250233A Expired - Lifetime EP0586030B1 (fr) 1992-09-03 1993-08-25 Appareil de levage avec un dispositif de levage

Country Status (5)

Country Link
US (1) US5480125A (fr)
EP (1) EP0586030B1 (fr)
JP (1) JP3352782B2 (fr)
DE (2) DE4229673C1 (fr)
ES (1) ES2088634T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915673A (en) * 1996-03-27 1999-06-29 Kazerooni; Homayoon Pneumatic human power amplifer module
US5865426A (en) 1996-03-27 1999-02-02 Kazerooni; Homayoon Human power amplifier for vertical maneuvers
US5863027A (en) * 1996-08-26 1999-01-26 Columbus Mckinnon Corporation Hook mounted control device
US6386513B1 (en) 1999-05-13 2002-05-14 Hamayoon Kazerooni Human power amplifier for lifting load including apparatus for preventing slack in lifting cable
CN1083798C (zh) * 1999-10-21 2002-05-01 刘民昌 一种牵引方法以及利用该方法制造的牵引机
US6681638B2 (en) 2001-05-04 2004-01-27 Homayoon Kazerooni Device and method for wireless material handling systems
US6554252B2 (en) 2001-09-28 2003-04-29 Homayoon Kazerooni Device and method for wireless lifting assist devices
US7334776B2 (en) * 2004-07-08 2008-02-26 Homayoon Kazerooni Apparatus and method for vehicle on-board cargo handling system
US7559533B2 (en) * 2006-01-17 2009-07-14 Gorbel, Inc. Lift actuator
USD668424S1 (en) * 2010-07-20 2012-10-02 Ilcon Gmbh Patient hoist controller
CN104860220B (zh) * 2015-06-09 2017-07-04 嘉善三星轴承有限公司 提升装置
JP6812960B2 (ja) * 2017-12-22 2021-01-13 トヨタ車体株式会社 ワーク搬送装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1453138A (fr) * 1964-11-13 1966-04-15 King Ltd Geo W Dispositifs commutateurs pour la commande de moteurs électriques, notamment pour appareils de levage
DE1456457A1 (de) * 1966-02-04 1969-06-19 Eaton Yale & Towne Druckknopfsteuerung fuer Hebezeuge
US4520247A (en) * 1984-03-05 1985-05-28 Columbus Mckinnon Corporation Pendant type electrical switching device
US4830049A (en) * 1987-10-26 1989-05-16 Beebe International Inc. Pneumatic pendant
EP0432285A1 (fr) * 1989-12-09 1991-06-19 ABUS Kransysteme GmbH & Co. KG. Manipulateur suspendu pour la commande d'engins de levage et/ou de grues

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408502A (en) * 1944-09-21 1946-10-01 Cutler Hammer Inc Waterproof combined electric switch and pistol grip
US2801760A (en) * 1953-01-09 1957-08-06 Columbia Broadcasting Syst Inc Hoist
US2750480A (en) * 1953-01-29 1956-06-12 Charles B Freeman Circuit control device
US2989288A (en) * 1955-06-03 1961-06-20 Gardner Denver Co Air hoist
DE2214530B2 (de) * 1972-03-24 1975-09-25 Demag Ag, 4100 Duisburg Elektrozug
US3921959A (en) * 1974-07-22 1975-11-25 Columbus Mckinnon Corp Load balancer and hoist control
DE2513031C2 (de) * 1975-03-25 1987-08-20 Mannesmann AG, 4000 Düsseldorf Hebezeug
FI873724A (fi) * 1986-08-29 1988-03-01 Kito Kk Manoeverdon foer elektrisk kran.
JPS6360898A (ja) * 1986-08-29 1988-03-16 株式会社 キト− 電気チエ−ンブロツクの操作装置
US4844421A (en) * 1987-02-18 1989-07-04 Kabushiki Kaisha Kito Operating device for electric hoist

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1453138A (fr) * 1964-11-13 1966-04-15 King Ltd Geo W Dispositifs commutateurs pour la commande de moteurs électriques, notamment pour appareils de levage
DE1456457A1 (de) * 1966-02-04 1969-06-19 Eaton Yale & Towne Druckknopfsteuerung fuer Hebezeuge
US4520247A (en) * 1984-03-05 1985-05-28 Columbus Mckinnon Corporation Pendant type electrical switching device
US4830049A (en) * 1987-10-26 1989-05-16 Beebe International Inc. Pneumatic pendant
EP0432285A1 (fr) * 1989-12-09 1991-06-19 ABUS Kransysteme GmbH & Co. KG. Manipulateur suspendu pour la commande d'engins de levage et/ou de grues

Also Published As

Publication number Publication date
DE4229673C1 (fr) 1993-08-19
JPH06206697A (ja) 1994-07-26
ES2088634T3 (es) 1996-08-16
DE59302998D1 (de) 1996-07-25
EP0586030B1 (fr) 1996-06-19
JP3352782B2 (ja) 2002-12-03
US5480125A (en) 1996-01-02

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