EP3581537B1 - Monte-charge - Google Patents

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Publication number
EP3581537B1
EP3581537B1 EP19178709.2A EP19178709A EP3581537B1 EP 3581537 B1 EP3581537 B1 EP 3581537B1 EP 19178709 A EP19178709 A EP 19178709A EP 3581537 B1 EP3581537 B1 EP 3581537B1
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EP
European Patent Office
Prior art keywords
hoist
running rail
accordance
slide rail
support
Prior art date
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Application number
EP19178709.2A
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German (de)
English (en)
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EP3581537A1 (fr
Inventor
Werner Steppat
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.)
Profi Metall & Technik GmbH
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Profi Metall & Technik GmbH
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Priority claimed from DE202018103287.9U external-priority patent/DE202018103287U1/de
Application filed by Profi Metall & Technik GmbH filed Critical Profi Metall & Technik GmbH
Publication of EP3581537A1 publication Critical patent/EP3581537A1/fr
Application granted granted Critical
Publication of EP3581537B1 publication Critical patent/EP3581537B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/201—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from above, e.g. by ceilings of buildings

Definitions

  • the innovation relates to a freight elevator according to the preamble of claim 1.
  • a generic freight elevator known as a mobile transport crane. Due to the minimal construction and the correspondingly few components used, generic freight elevators can be dismantled and set up for a limited period of use inside rooms, for example in a shell or for renovation purposes, in order to move building materials from the surrounding property to a higher floor outside the building To be able to transport the building, or to be able to move rubble and similar materials from the building to the surrounding property, without transport routes such. B. having to use the stairwell. Furthermore, generic freight elevators can be used in the context of removals in order to be able to transport moving boxes, possibly also smaller pieces of furniture, in the same manner as described.
  • generic small, transportable goods lifts can be used to make work easier and for faster work progress in the field of finishing trades (Tile and parquet layers, plumbers, painters, electricians, etc.), by moving and clearing companies, property management companies as well as door and window manufacturers, and they can be used by car rental companies, hardware stores or building dealers, firewood dealers or furniture stores themselves or for their respective customers Be made available from the US 2002 084 238 a goods elevator is known as a mobile transport crane which discloses the preamble of claim 1.
  • the generic freight extract has a columnar support, the running rail being guided along at a lateral distance next to the support by means of a boom protruding to the side. In this way, an optimal accessibility to the load hanging on the running rail should be guaranteed.
  • the innovation is based on the task of improving a generic freight elevator in such a way that it has a high degree of inherent stability and ensures stable guidance of the load hanging on the rope, as well as protection of the surfaces that the support rests in the room of the building.
  • the innovation proposes providing several support points of the support distributed over a certain area instead of a columnar support, so that the load acting on the floor of the room is distributed over a larger area.
  • the construction of the freight elevator itself gains stability
  • the guidance of the load hanging on the running rail is safer due to the larger-area support
  • the large-area load distribution also protects the floor of the room, so that, for example, undesirable impressions in a carpet, a parquet floor o. The like. Can be avoided.
  • the floor frame runs close to the floor and serves to accommodate two arch-like brackets that are spaced apart from one another and on which the running rail hangs.
  • the running rail connects the two brackets in their upper area, for example by being mounted on the crossbars of the two brackets.
  • the running rail hangs under the brackets, it can be designed to be open at the bottom, for example to guide an electromotive cable winch there over the length of the running rail in a displaceable manner.
  • a cable winch to be fixed in place on the freight elevator and only to guide the cable over a deflection roller which is held longitudinally movable on the running rail, so that in this way the load hanging on the rope along the running rail between one in the room and one in the room a position outside the building can be moved, namely when the freight elevator is set up in such a way that the running rail extends out of the room through, for example, a window opening to the outside of the building.
  • the brackets can either be dismantled from the base frame or remain on the base frame and be swiveled from their upright position of use into a lying rest position.
  • the base frame can advantageously have upright sleeves into which the brackets are inserted. In this way, not only a quick assembly or disassembly of the goods elevator is made possible, but also a particularly small transport dimension.
  • brackets are subjected to pressure during the use of the freight elevator, i.e. on the floor frame or in the There are provided sleeves are pressed, a secure fixing of the bracket in the sleeves is automatically guaranteed while the freight elevator is in use.
  • a particularly quick assembly and disassembly of the goods elevator is possible because the handling of additional fastening or securing elements, which would otherwise secure the bracket on the floor frame, can be dispensed with.
  • the fastening or securing elements mentioned can nevertheless be provided: in this case, the brackets are when they are inserted into the sleeves , fixed in the sleeves with the help of locking means so that this connection cannot be accidentally and unintentionally loosened.
  • the brackets in the sleeves can advantageously have a lateral play of at least 2 mm. Surprisingly, this does not affect the desired stable connection between the individual elements of the freight elevator. However, it ensures that, even with rough handling or due to manufacturing tolerances, the brackets can always be easily and quickly inserted into the sleeves of the floor frame and thus the assembly and disassembly of the freight elevator can be carried out in a short time.
  • a prototype of the proposed freight elevator for example, has a total weight of around 85 kg.
  • the individual components or modules into which the freight elevator can be dismantled weigh between 3 kg and 22 kg, so that they can each be carried and handled individually without any problems.
  • the assembled dimensions of this prototype are about 85 cm wide, about 2 m high and about 3 m long. Disassembled, this prototype has a transport size of only 25 cm high, with unchanged length and width dimensions.
  • the two brackets can advantageously have different widths in order to allow the transport of the goods elevator to be as small as possible. Due to the different widths, the two brackets can be placed one inside the other, namely if the outside width of one bracket is smaller than the inside width, i.e. the inside width, of the other bracket.
  • This configuration of the two brackets of different widths is particularly advantageous if the two brackets are hinged to the floor frame so that they can be hinged: then the two brackets do not have to be folded outwards from the floor frame, but can be folded inwards, penetrating each other. If the brackets are higher than the length of the base frame, in this case the brackets protrude in their flat rest position at both ends of the base frame beyond the base frame, so that there is a larger transport dimension than can be achieved with two removable brackets. However, the quick and uncomplicated handling of the foldable bracket during assembly or disassembly of the goods elevator is advantageous.
  • the brackets can each have a clear width of at least 810 mm. In this way, there is a large free space through which the load is easily accessible when it is located above the base of the floor frame and accordingly between the two brackets.
  • the brackets have a distance of at least 1210 mm between them, so that problem-free access to the load is ensured not only in the longitudinal direction of the running rail, but also across it, when it is between the two Ironing is located above the floor frame.
  • the specified dimensions of at least 810 mm and at least 1210 mm clear width also ensure that Euro pallets can be handled with a standardized dimension of 800 x 1200 mm by means of the freight elevator.
  • the head of the support can advantageously be provided with a removable cover.
  • a removable cover For example, provision can be made to use a new cover before each use of the freight elevator, for example in the form of a plastic film or the like. Or it can be provided to use a washable textile cover that is removed regularly, especially after each use of the freight elevator and can be cleaned.
  • the removable cover on the head of the support ensures that dirt stains on the ceiling of the room in which the freight elevator is set up can be avoided.
  • the head can be designed with a deformable layer, for example in the form of a felt plate, so that the head can optimally rest against the underside of the room ceiling and thus enable optimal pressure distribution and, consequently, optimal protection of the room ceiling becomes.
  • the removable cover ensures that the felt element, which is otherwise difficult to clean, does not become soiled over time and then lead to dirt stains on the ceiling.
  • a stable support of the head on the support of the goods elevator can advantageously be achieved by at least three support points. Two of these support points are provided at a distance from each other on the bracket, for example on both sides of the running rail, and a third support point is provided on the running rail itself, in the longitudinal direction of the two bracket-side support points, so that there is a stable three-point support.
  • a support point can also be designed as a so-called head sleeve that is open at the top.
  • the head arrangement which has the head of the freight elevator, furthermore has an element which can be inserted into this head sleeve from above.
  • This construction supports quick assembly and disassembly of the freight elevator.
  • the use of locking means can also be provided here in order to securely fix the head arrangement in the head sleeves.
  • the head serves to support the floor frame and the support as well as the running rail against a floor slab of a building against tilting movement when the running rail is loaded with a load in its area protruding from the building. If this area of the running rail is referred to as the front area of the goods elevator, the head is accordingly located in the rear area of the goods elevator, for example above the rear bracket. In the area of the goods elevator, which is located in front of the head, the goods elevator is supported by the floor frame against forces acting downwards.
  • the freight elevator can have a second head which are spaced apart from one another in the longitudinal direction of the running rail, so that the second head is arranged in a further forward area of the freight elevator in front of the head which is provided anyway.
  • the second head can be arranged above the second, front bracket of the freight elevator.
  • the running rail can therefore be extended beyond the rear bracket when using the two heads mentioned. This makes it possible not only to place loads lifted up from the outside inside the floor frame, but also to guide them beyond the floor frame and deeper into the interior of the building. It will be the same It is possible to hang loads to be brought to the outside not only inside the floor frame on the goods elevator, but also to load the goods elevator next to the floor frame in the building, so that as a result the handling of the goods elevator is facilitated during its use.
  • the running rail has suitable holding means.
  • the running rail has two holding means of the same type at a certain distance from one another in the longitudinal direction of the running rail.
  • the running rail can be attached to the brackets in two different positions, so that the running rail protrudes beyond the base frame to a different extent. Due to the correspondingly different length of the cantilever arm of the running rail, the freight elevator can be used in two different performance classes, namely with a longer cantilever arm with a lower permissible maximum load for safety reasons, while the running rail is mounted on the support with a correspondingly shorter cantilever arm for transporting particularly heavy loads.
  • a quick and uncomplicated fastening of the running rail to the brackets can be provided that the running rail is simply plugged onto one bracket, while it is fixed on the second in a non-shiftable manner, so that an inadvertent detachment of the running rail from the brackets is prevented.
  • the running rail accordingly has first holding means for releasable attachment to one of the two brackets, and these first holding means can be fixed in place. It can be a screw connection, for example.
  • the running rail has second holding means which enable an insertion movement in the longitudinal direction of the running rail and which can, for example, be inserted into corresponding eyelets, bores or similar receptacles in the other bracket.
  • the design of the freight elevator to accommodate different loads can be made particularly economical by using a comparatively inexpensive running rail that allows a sufficient load capacity for many applications and that is reinforced by a longitudinal reinforcement profile for special applications.
  • the manufacturer does not have to provide different running rail profiles and different trolleys adapted to them.
  • a tube can be welded onto the running rail in order to create a running rail that can withstand higher loads, the use of a tube representing a particularly economical configuration of a reinforcement profile.
  • the support can advantageously be stabilized by providing inclined struts which run from the base frame to the brackets, similar to what is otherwise known, for example, from welded-in gusset plates.
  • the inclined struts are particularly advantageous with regard to occupational safety: They prevent or at least make it more difficult for people to step into the area surrounded by the floor frame, for example out of carelessness. Apart from the risk of stumbling over the floor frame itself, there is also the risk of colliding with the load hanging on the running rail, in particular if it is being moved along the running rail at that moment. In this respect, the diagonal struts act like an access barrier, so that the dangers mentioned are avoided.
  • the diagonal struts are advantageously not immovably arranged on the floor frame and on the brackets, for example welded, but they are advantageously fixed on the floor frame and / or on the brackets by means of detachable locking means in order to enable the most space-saving dismantling of the freight elevator.
  • the diagonal struts serve to ensure or improve a stable bond between the components forming the support despite the play mentioned.
  • foot plates can advantageously be arranged on the underside of the floor frame, with which the floor frame is placed on the floor of the room.
  • foot plates can be located on the underside of the mentioned upright sleeves in which the brackets are set.
  • the base plates also serve as a stop for the brackets, so that the downward load applied by the brackets acts on the base plates and can be distributed over a large area.
  • the floor panels can be used to achieve better stability of the freight elevator: in the rarest of cases, a floor is exactly flat.
  • the locking means mentioned can be designed as tilting pins at all of the mentioned locations.
  • tool-free assembly of the freight elevator is made possible by inserting such a tilting pin of one component through a hole or a similar receptacle in the other component and then pivoting it about a hinge axis so that the two components are prevented from becoming detached from each other .
  • an electromotive cable winch can also be hung from a clamp which can be moved lengthways in the running rail.
  • the two brackets of the support of the freight elevator can be formed from almost any profile.
  • a high rigidity with a comparatively low weight can be guaranteed by using tubes.
  • round tubes can advantageously be used to create the brackets, since round tubes can be bent without any problems.
  • the brackets can each be created from a single, U-shaped bent pipe section, which supports an economical production of the bracket and avoids potential flaws, such as could be given, for example, by welds in a bracket existing on several separate sections.
  • the rear frame strut of the floor frame rests on the floor. If the floor frame is supported by feet (e.g. including height-adjustable Footplates) basically runs at a distance above the floor, the rear frame strut can accordingly run downwards. Furthermore, the rear frame strut can advantageously be designed particularly flat, for. B. in the form of a flat iron with a flat cross-section oriented.
  • the running rail firstly has a helmet rail that is open at the bottom.
  • a reinforcement profile is arranged on its upper side in order to improve the flexural strength of the running rail.
  • the reinforcement profile can be designed in the form of a rectangular hollow profile.
  • a special profile does not have to be used to create the running rail, but for example a commercially available helmet rail can be connected, for example welded, to a commercially available rectangular hollow profile which serves as a reinforcement profile.
  • the suspension of the running rail on the traverse of a bracket can advantageously be carried out by means of a suspension bracket which is arranged on the running rail and has a suspension eyelet on both sides of the running rail, the two suspension eyelets for receiving retaining pins or Locking pins are used and thus for fastening on the aforementioned traverse.
  • Two downwardly open, U-shaped truss clamps can be arranged on the traverse, which have bores which are aligned with one another near the lower ends of their respective two legs.
  • the running rail is raised in such a way that there is a suspension eyelet between the two aligned bores of a truss clamp, so that a safety bolt can be passed through the two bores and the suspension eyelet in between. Accordingly, two safety bolts are used that run parallel to the running rail. Pins with tilt pins, for example, can be used as securing bolts.
  • the suspension bracket has a smaller material thickness than corresponds to the distance between the two legs of a truss clamp. This is the case, for example, if the suspension bracket is formed from a punched or lasered sheet metal blank, the width or the diameter of the crossbar is greater than the material thickness of the sheet metal blank, and the two legs of the U-shaped crossbar clamp run parallel to each other, their distance to each other so is determined by the width or the diameter of the cross member.
  • the suspension eyelets can each be formed by a tube which is so long that it almost completely fills or bridges the mentioned distance between the two legs of the truss clamp. This ensures that the tilt pins are held in their assembly position when they are guided through the two bores of the truss clamp and the suspension eyelet in between, so that they cannot accidentally tip prematurely from their assembly position into their locking position.
  • the suspension of the running rail on the traverse of the rear bracket can advantageously be designed in the manner of a hinge.
  • two mounting brackets are attached to the traverse and extend parallel to the running rail. They have aligned through holes through which a safety bolt can be inserted.
  • a guide for a securing bolt is arranged, for. B. in the form of a retaining tab, is also provided with a through hole which is aligned with the two through holes of the receiving tabs, or in the form of a guide tube which runs transversely to the running rail and is welded onto the top of the running rail.
  • the running rail is raised until the guide of the running rail and the two through-holes of the mounting tabs are aligned and the locking bolt is inserted through these three aligned openings so that it forms the hinge axis of the hinge mentioned.
  • a pivot with a tilt pin can be used as a securing bolt.
  • the running rail can then be lifted at the front and attached to the front bracket.
  • the front suspension of the running rail described above can be mounted.
  • the running rail can have dimensions of 65 mm in width and 70 mm in height. If the running rail is stripped by a reinforcement profile, it is enlarged in this case, the reinforcement profile, if necessary, the outer dimensions of the running rail.
  • the reinforcement profile can be designed as a rectangular profile and have a width of 60 mm and a height of 30 mm. Accordingly, the running rail created as a whole is unwieldy to grasp and in any case not to be grasped with a single hand.
  • a particularly problem-free transport of the dismantled individual components or assemblies of the freight elevator can advantageously be supported by the fact that carrying handles are arranged on the running rail so that not the running rail itself, but rather its carrying handles can be grasped for transporting the running rail.
  • the handles can in particular have a cross-section that is dimensioned so large that they can each be grasped by a single hand.
  • the two handles can be spaced so far apart that the running rail can be carried by two people using these handles and these two people do not hinder each other, e.g. by a distance of at least 50 cm between the two handles.
  • the distance between the two carrying handles can advantageously be greater than 1 m.
  • the handles can, for example, be attached to the side or top of the running rail, for example welded onto the running rail at the top.
  • the height of the bracket can advantageously be adjusted so that the height of the two cross members and thus the height of the running rail can be adjusted.
  • a window - the running rail can therefore be set as high as possible in order to enable problem-free handling of material below the running rail and to use the largest possible free space within the masonry opening.
  • the height adjustment can take place, for example, through a multi-part design of the bracket from upper and lower elements, as well as through a row of holes.
  • the fixation of the upper elements and the lower elements of the bracket can each be done with the help of a locking bolt, for. B. in the form of a tilt pin.
  • the freight elevator can be dismantled for transport purposes or the freight elevator can be assembled for its commissioning by separating components or assemblies of the freight elevator from one another or connecting them to one another.
  • the use of pins with tilt pins can advantageously be provided. This enables the components or assemblies to be connected to mechanically highly resilient securing elements, which can be handled quickly and easily, in particular without tools, and to enable the components or assemblies to be separated quickly and easily, in particular without tools.
  • the pins including the tilt pins can be firmly attached to an element of the freight elevator so that they are lost-proof and always available.
  • the inclined struts releasably connect to the upright struts of the stirrups.
  • the diagonal struts are released from the brackets.
  • the longer diagonal struts With the frame struts of the floor frame, however, the longer diagonal struts always remain connected, they are hinged to the frame struts, and the shorter diagonal struts in turn are hinged to the longer diagonal struts.
  • Each inclined strut assembly can be swiveled flat onto the floor frame to transport the freight elevator.
  • the shorter diagonal struts are on top of the longer diagonal struts.
  • a band as a securing element can be passed through a hole in the shorter inclined strut and around the frame strut in order to hold the shorter inclined strut and thus also the longer inclined strut underneath it on the floor frame.
  • a band can be awkward to use, e.g. with regard to the necessary creation of a knot, or it can be unsure of its holding power, e.g. when a band has a hook fastener and it is dirty.
  • a holder for the shorter inclined struts can therefore advantageously be provided on the base frame.
  • This bracket is used to secure a strut assembly to the floor frame.
  • a retaining tab can extend upward from a frame strut of the floor frame where the free end of the shorter diagonal struts is when the diagonal strut assembly is folded up.
  • This retaining tab can be provided with a bore so that the shorter inclined strut by means of a securing element, for. B. a securing bolt can be secured, which is passed through the shorter inclined strut and the aforementioned hole in the retaining bracket.
  • a securely mounted safety bolt can be attached to the retaining bracket or a similar securing element can be arranged on which the free end of the shorter inclined strut can be fixed in a manner similar to that of a bracket strut.
  • the cable winch can be moved lengthways on the running rail.
  • a motorized drive for the cable winch can advantageously be dispensed with and instead the cable winch can be moved by hand along the running rail.
  • the running rail protrudes through the masonry opening - e.g. a window - into the open.
  • the risk of accidents can be prevented by means of a handle that connects to the cable winch.
  • the handle connects to the cable winch by means of a pull and push rod.
  • the length of the pull and push rod makes it possible to move the cable winch from a certain distance.
  • the user does not have to lean far out of a window, for example, in order to be able to push the cable winch to the front end of the running rail or to be able to pull it back towards him from there.
  • the pull and push rod from the cable winch can run obliquely downwards to the handle.
  • the pull and push rod can run either in a straight line or in a curved oblique manner, or in a stepped manner, for example in an S or Z shape, as shown in the drawings.
  • the cable winch is at the rear end of the freight elevator and the above-mentioned handle is provided, it protrudes backwards far beyond the other dimensions of the freight elevator due to the length of the pull and push rod. This can be a problem in particular if the material is transported into the area enclosed by the floor frame or out of this area through the rear bracket.
  • the pull and push rod can therefore advantageously be connected to the cable winch so that it can pivot about an upright axis. In this way it can be swiveled sideways out of the way so as not to obstruct the passage through the bracket.
  • the pull and push rod is in a straight line with the running rail, this corresponds to the usual working position, namely when the cable winch is to be moved forwards along the running rail (by pressing the handle) or backwards (by pulling the handle).
  • the handle assumes its rest position, in which the passage through the rear bracket is not obstructed by the handle or the pull and push rod.
  • the working position of the handle can be unchanged as described above. In its rest position, however, the handle is not pivoted to the side, but rather moved in the longitudinal direction of the running rail after a corresponding lock has been released. In this way, the handle can be pushed right up to the cable winch, where it is practically no longer in the way.
  • the pull and push rod can advantageously be designed without paragraphs and z. B. extend evenly curved, so that the handle is guided on a circular arc line forwards and upwards when it is moved from its working position to its rest position.
  • the running rail can be reduced to a shorter transport length compared to its useful length of, for example, 2 or 3 m.
  • the running rail can be folded up or folded up by means of a correspondingly stable hinge arrangement.
  • the running rail can be dismantled into two or more sections.
  • a cover sheet called a "shoe" can be provided which surrounds one end of a section of the running rail in a substantially U-shape and extends beyond this end.
  • the end of a second section can accordingly be inserted into this shoe, so that the two sections are connected to one another in a stable manner.
  • the essentially U-shaped design of the shoe ensures that the lower opening of the running rail is continuous, so that a trolley can be moved along the running rail over the length of both sections.
  • the reinforcement profile of the second section can have a recess with which it engages over the shoe.
  • an insertion tongue can be provided which bridges the separation point of the reinforcement profiles of the two sections and is, for example, fixed in one of the two reinforcement profiles and is inserted into the connection profile of the other section when the two sections are connected.
  • the insert tongue has another effect Stabilization of the connection between the two sections of the running rail.
  • the foldable or foldable or divisible design of the running rail enables, in particular, the transport of the individual assemblies of the dismantled freight elevator in private individuals' vehicles.
  • Such vehicles often, unlike the typical craftsman vehicles, furniture vans or the like, do not have a loading space or interior space that would allow the entire running rail to be accommodated in a traffic-safe manner.
  • the possibility of reducing the useful length of the running rail to a significantly smaller transport length of, for example, 1.5 m or 2 m, also makes it easier for private individuals to use the freight elevator. For example, private individuals can thus be given the option of renting a freight elevator for the duration of a weekend for the purpose of moving.
  • 1 denotes a freight elevator, which has a support 2 and a running rail 3.
  • An electromotive cable winch 4 with a crane hook 5 at the end of the cable is suspended from the running rail 3.
  • the running rail 3 is designed to be open at the bottom in a manner known per se, that is to say it forms an approximately C-shaped profile in cross section.
  • the support 2 has a base frame 6 which is formed from rectangularly arranged frame struts 7 and sleeves 8 arranged upright at the corners.
  • the sleeves 8 are closed at the bottom by foot plates 9, whereby, in deviation from the illustrated embodiment, the foot plates 9 can also be made considerably larger than illustrated for better force distribution.
  • inclined struts 10 run, which are firmly welded at both ends to the respective components of the floor frame 6.
  • the supports 2 each have two parallel bracket struts 11 and an upper cross member 12 which connects the two bracket struts 11 to one another and which, in the illustrated embodiment, consists of three segments that are each aligned at an angle to one another.
  • the head arrangement 14 comprises a platform 15, which is supported via three head struts 16 on a cross member 12 on the one hand and on the running rail 3 on the other hand.
  • head sleeves 17, into which the head struts 16 are inserted from above, are provided on the cross member 12 and on the running rail 3.
  • a plate-like head 18 is supported on the platform 15 in a height-adjustable manner by means of a spindle 19.
  • the head 18 has an elastically deformable layer on its upper side, for example in the form of a felt plate, it being provided that the head 18 protects the ceiling from direct contact with this felt plate of the head 18 by means of a removable cover.
  • the running rail 3 has two L-shaped retaining pins 20 projecting to the side and forwards, which are inserted into two eyelets which are each formed by a U-shaped bent wire bracket 21 welded to the cross member 12.
  • the running rail 3 is fixed by means of a locating pin, as shown in FIG Fig. 2 is explained in more detail.
  • Fig. 2 shows a freight elevator 1 in the dismantled state.
  • This freight elevator 1 essentially corresponds to the exemplary embodiment in FIG Fig. 1 , however, the running rail 3 is shown in the form of a second embodiment, which differs from that of the Fig. 1 deviates: Instead of only two retaining pins 20 arranged opposite one another, FIG Fig. 2 the running rail 3 has two such sets of retaining pins 20, these two sets being arranged at a distance from one another in the longitudinal direction of the running rail 3.
  • the head sleeve 17 on the running rail 3 is also in the exemplary embodiment Fig. 2 present in duplicate, at the same distance in the longitudinal direction as the sets of retaining pins 20.
  • a fixing pin 23 is arranged on the cross member 12 of the bracket 22, which can engage in an L-shaped bent retaining tab 24 which is welded onto the running rail 3 at the top.
  • the retaining tab 24 is also provided a second time at the same distance mentioned in the longitudinal direction on the running rail 3, so that the running rail 3 can be fixed in two different positions on the support 2, namely on the cross members 12 of the two brackets 22.
  • the in Fig. 2 The illustrated embodiment is provided to design the fixing pin 23 as a screw to which a nut 25 is assigned. In a departure from this exemplary embodiment, however, it can be provided that the fixing pin 23 is designed as a tilting pin.
  • Fig. 3 a third embodiment is shown, which is completely assembled except for the assembly of the winch and which differs from the embodiments of Fig. 1 and 2 differs by the following features:
  • the frame struts 7 of the floor frame 6 are mitred, and the sleeves 8 do not stand on the frame struts 7, but are arranged in the corners of the floor frame 6 and welded to the frame struts 7 there.
  • the inclined struts 10 in this exemplary embodiment are designed to be longer and run from the bottom frame 6 to the upper half of the brackets 22.
  • a long and a short inclined brace 10 are provided in each case , which form an overall approximately T-shaped arrangement.
  • tilting pins are provided as locking means in each case in order to secure the inclined struts 10 in their position.
  • the brackets 22 each consist of a single round tube which has been bent into its U-shaped course.
  • the head arrangement 14 has a guide tube 26 which receives the spindle 19.
  • the guide tube 26 is not only held directly by the three head struts 16, but also connected indirectly to the three head struts 16 at a different height by connecting struts 27.
  • a handle 28 is used to operate the spindle 19 and to adjust the height of the head 18.
  • the retaining pins 20 of the running rail 3 are each received in a bore in a fitting plate 29.
  • a precise guidance of the retaining pins 20 with little play is made possible.
  • the approximately Z-shaped course of the fitting plate 29 improves the stability of the freight elevator 1 in the area where the running rail 3 connects to the cross member 12 of the bracket 22.
  • the two bores for receiving the two retaining pins 20 are arranged in the same fitting plate 29, as a result of which the precision of the running rail holder is further improved.
  • FIG. 4 this area of the running rail holder can be seen in a perspective view obliquely from below.
  • a hole 30 in the fitting plate 29 leads in comparison to a wire bracket 21 of the Fig. 1 and 2 the retaining pin 20 of the running rail 3 with considerably less play.
  • the fitting plate 29 has a welded guide plate 31 on both sides of the running rail 3, which is provided with a similar bore 30 and is aligned with the bore 30 of the fitting plate 29.
  • the guidance of the retaining pin is also provided by these two bores 30 provided at a distance from one another 20 improved and the retaining pin 20 secured against tilting movements, for example.
  • Fig. 5 shows the connection of an inclined strut 10 to a bracket strut 11 of a bracket 22.
  • the inclined brace 10 is secured to the bracket strut 11 by locking means, these locking means having a tilting pin 32.
  • the tilt pin 32 is shown in its locking position, in which it is oriented transversely to a pin 33. From this locking position, the tilt pin 32 can be pivoted into an assembly position for assembly or disassembly of the inclined strut 10, in which it extends the pin 33 in the axial direction.
  • Fig. 6 shows that the rear frame strut 7 of the floor frame 6 rests on the floor. While the bottom frame 6 using feet, e.g. B. together with height-adjustable footplates 9, basically at a distance above the ground, the rear frame strut 7 is lowered and accordingly lower than the other frame struts 7.
  • the rear frame strut 7 has a different cross-sectional profile than the other frame struts 7 and is configured particularly flat in this way, namely in the form of a flat iron with a cross-section oriented flat.
  • Both measures make it easier to drive a hand pallet truck, a wheelbarrow or the like into the area enclosed by the floor frame 6. This is regularly necessary in order to be able to attach material to the crane hook 5 or to be able to remove it from it. In addition, the risk of a trip hazard is reduced if this area enclosed by the floor frame 6 is to be entered on foot.
  • Fig. 6 and 7th also show that the running rail 3 firstly has a downwardly open helmet rail 34 and secondly a reinforcing profile 35 in the form of a rectangular hollow profile on its upper side.
  • the reinforcement profile 35 Through the reinforcement profile 35, the flexural rigidity of the running rail 3 is improved.
  • a special profile does not have to be used for this purpose; instead, in the exemplary embodiment shown, a commercially available helmet rail 34 is welded to a commercially available rectangular hollow profile as a reinforcement profile 35.
  • the Fig. 8 and 10 show the suspension of the running rail 3 on the cross member 12 of a bracket 22, in particular the front bracket 22, by means of a suspension bracket 36.
  • the suspension bracket 36 is arranged on the running rail 3 and has a suspension eyelet 37 on both sides of the running rail 3.
  • the suspension bracket 36 basically consists of a sheet metal blank and has 2 bores which, taken individually, can each serve as a suspension eyelet 37. In the illustrated embodiment, however, the two suspension eyelets 37 are each formed by a tube.
  • Fig. 6 and 8th show that two downwardly open, U-shaped traverse clamps 38 are arranged on the traverse 12, which have bores which are aligned with one another near the lower ends of their respective two legs.
  • the running rail 3 is raised in such a way that there is a suspension eyelet 37 between the two aligned bores of a truss clamp 38, so that a securing bolt can be passed through these two bores and the suspension eyelet 37 in between.
  • two securing bolts are used which run parallel to the running rail 3.
  • pins 33 with tilting pins 32 can be used as securing bolts.
  • the suspension bracket 36 has a smaller material thickness than corresponds to the distance between the two legs of a truss clamp 38, since the suspension bracket 36 is formed from a punched or lasered sheet metal blank.
  • the width or the In the illustrated embodiment, the diameter of the crossbeam 12 is greater than the material thickness of the sheet metal blank, and the two legs of the U-shaped crossbeam clamp 38 run parallel to one another; their distance from one another is therefore determined by the width or the diameter of the crossbeam 12.
  • the suspension eyelets 37 are therefore each formed by a tube which is so long that it almost completely fills or bridges the mentioned distance between the two legs of the traverse clamp 38. This ensures that the tilt pins 32 are held in their assembly position when they are guided through the two bores of the cross member 38 and the hanging eyelet 37 between them, so that they cannot accidentally tip prematurely from their assembly position into their locking position .
  • Fig. 7 shows the suspension of the running rail 3 on the cross member 12 of the rear bracket 22.
  • This suspension is designed in the manner of a hinge.
  • two receiving tabs 39 are attached to the cross member 12 and extend parallel to the running rail 3. They have through holes aligned with one another through which a securing bolt can be inserted.
  • a guide for a securing bolt is arranged on the running rail 3, preferably on its upper side.
  • This guide is designed in the form of a retaining tab, which is also provided with a through-hole which is aligned with the two through-holes of the receiving tabs 39.
  • the guide can be designed in the form of a guide tube which runs transversely to the running rail 3 and is welded onto the running rail 3 at the top.
  • the running rail 3 is raised until the guide of the running rail 3 and the two through-holes of the receiving tabs 39 are aligned with one another and the Safety bolt is inserted through these three aligned openings so that it forms the hinge axis of the hinge mentioned.
  • a pin 33 with a tilting pin 32 can be used as a securing bolt.
  • the running rail 3 can then be lifted at the front and the front suspension of the running rail 3 described above can be mounted.
  • the Fig. 6 , 7th and 9 show that the running rail 3 is provided with handles 40.
  • the handles 40 are spaced from one another so far that the running rail 3 can be carried by two people by means of these handles 40 and these two people do not interfere with each other.
  • the handles 40 are fastened on top of the running rail 3, namely welded onto the reinforcement profile 35, however, in contrast to this, they can be fastened to the side of the running rail 3, for example.
  • the brackets 22 are adjustable in height, so that the height of the two cross members 12 and thus the height of the running rail 3 can be adjusted.
  • a window - the running rail 3 can therefore be set as high as possible in order to enable problem-free handling of material below the running rail 3 and to use the largest possible free space within the masonry opening.
  • the height adjustment takes place in the illustrated embodiment, for example, through a row of holes 41.
  • the upper elements 42 and lower elements 43 of the bracket 22 are fixed in the desired relative arrangement to each other with the help of a securing bolt.
  • B. can be designed in the form of tilt pins 32.
  • the freight elevator 1 can be dismantled for transport purposes or the freight elevator 1 can be assembled to put it into operation, in that components or assemblies of the freight elevator 1 are separated from one another or connected to one another.
  • the use of pins 33 with tilt pins 32 can advantageously be provided, as shown in FIG Fig. 5 evident. Colloquially, a distinction is often not made between the pin 33 and the tilting pin 32 movably mounted therein, but rather the entire securing element is referred to as a "tilting pin".
  • the use of toggle pins enables the components or assemblies to be connected to mechanically highly resilient securing elements, which can be handled quickly and easily, in particular without tools, and to enable the components or assemblies to be separated quickly and easily, in particular without tools.
  • Fig. 6 shows that the pins 33 together with the tilting pins 32 can be firmly attached to an element of the freight elevator 1, so that they are captive and always available.
  • the pins 33 are attached to the lower elements 43 of the brackets 22 in order to receive the oblique struts 10.
  • the inclined struts 10 releasably connect to the upright bracket struts 11 of the bracket 22.
  • the inclined struts 10 are released from the brackets 11.
  • the longer inclined struts 10 With the frame struts 7 of the base frame 6, however, the longer inclined struts 10 always remain connected, they close in an articulated manner to the frame struts 7, and the shorter diagonal struts 10 for their part are articulated to the longer diagonal struts 10.
  • each inclined strut assembly consisting of a longer and a shorter inclined strut 10, can be pivoted flat onto the floor frame 6 on both sides of the floor frame 6.
  • the shorter inclined struts 10 lie on top of the longer inclined struts 10.
  • This flat-folded inclined strut assembly can be secured to the base frame 6 by a band which serves as a securing element.
  • the tape is guided through a hole in the shorter inclined strut 10 and around the frame strut 7 in order to hold the shorter inclined strut 10 and thus also the longer inclined strut 10 underneath on the floor frame 6.
  • a holder for the shorter inclined struts 10 can be provided on the base frame 6, but this is not shown in the drawings.
  • This bracket is used to secure an inclined strut assembly on the floor frame 6.
  • a retaining tab can extend upward from a frame strut 7 of the floor frame 6 where the free end of the shorter diagonal struts 10 is when the diagonal strut assembly is folded up.
  • This retaining tab can be provided with a bore so that the shorter inclined strut 10 by means of a securing element, for. B.
  • a securing bolt can be secured, which is passed through the shorter inclined strut 10 and the aforementioned hole in the retaining bracket.
  • a securely mounted securing bolt or a similar securing element, on which the free end of the shorter inclined strut 10 can be fixed in a manner similar to that of a bracket strut 11, can be arranged on the retaining bracket.
  • a handle 44 connects to the cable winch 4.
  • the handle 44 connects to the cable winch 4 by means of a pull and push rod 45.
  • the length of the pull and push rod 45 makes it possible to move the cable winch 4 from a certain distance. For example, the user does not have to lean far out of a window in order to be able to push the cable winch 4 to the front end of the running rail 3 or to be able to pull it back towards him from there.
  • the pull and push rod 45 runs from the cable winch 4 downwards to the handle 44.
  • the pull and push rod 45 can run obliquely in a straight line or in an arc, or in steps, as in the illustrated embodiment, for example approximately S- or Z-shaped.
  • Fig. 9 shows in dashed lines that the handle 44, due to the length of the pull and push rod 45, protrudes far beyond the other dimensions of the freight elevator 1 when the cable winch 4 is located at the rear end of the freight elevator 1. This can be a problem in particular if the material is transported into the area enclosed by the base frame 6 or out of this area through the rear bracket 22.
  • the pull and push rod 45 is therefore connected to the cable winch 4 so as to be pivotable about an upright axis. In this way it can be pivoted to the side out of the way so as not to obstruct the passage through the bracket 22.
  • Fig. 9 but also in the Fig. 6 and 7th two pivot positions of the handle 44 are shown: in dashed lines, the pull and push rod 45 is shown in a straight line with the running rail 3, which corresponds to the usual working position, namely when the cable winch 4 moves forward along the running rail 3 (by pressing the handle 44) or should be moved backwards (pull).
  • the rest position pivoted to the side is shown in solid lines, in which the passage through the rear bracket 22 is not obstructed by the handle 44 or the pull and push rod 45.
  • the handle 44 does not protrude lower than the assembly of the cable winch 4.
  • a different mobility of the handle 44 between the working and rest position can be provided in the manner: the working position of the handle 44 shown in dashed lines can be unchanged be. In its rest position, however, in this alternative embodiment it is not pivoted to the side, but rather displaced in the longitudinal direction of the running rail 3 after a corresponding lock has been released. The handle 44 can thus be pushed close to the cable winch 4, where it is practically no longer in the way.
  • the pull and push rod 45 can be designed in a way different from the illustrated embodiment without the paragraphs shown in the drawings and z. B. extend evenly curved, so that the handle 44 is guided on an arc line forwards and upwards when it is moved from its working position to its rest position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (17)

  1. Monte-charge (1) installable dans la salle d'un bâtiment,
    comprenant un appui (2),
    * appui qui présente un pied installable sur un sol de la salle
    * ainsi qu'une tête (18) applicable par le bas contre un plafond de la salle,
    et comprenant un rail (3)
    * qui, retenu contre l'appui (2), présente un tracé horizontal et dépasse de la surface de base de l'appui (2),
    et comprenant un câble
    * qui est retenu contre le rail (3)
    * et déplaçable le long du rail (3),
    sachant que le rail (3) est démontable de l'appui (2), caractérisé en ce
    que l'appui (2) présente un cadre (6) au sol
    ainsi que deux étriers (22),
    qui sont disposés verticalement à distance l'un de l'autre,
    qui sont configurés en arcade de portail
    et qui sont disposés se raccordant au cadre (6) au sol,
    sachant que le rail (3) qui relie les deux étriers (22), est retenu contre eux et disposé suspendu sous les étriers (22).
  2. Monte-charge selon la revendication 1, caractérisé en ce
    que les étriers (22) sont démontables du cadre (6) au sol.
  3. Monte-charge selon la revendication 2, caractérisé en ce
    que le cadre (6) au sol présente des douilles (8) verticales,
    les étriers (22) sont enfichables par le haut dans les douilles (8),
    et immobilisables dans les douilles (8) à l'aide de moyens de verrouillage.
  4. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que la tête (18) de l'appui (2) est appuyée aussi bien sur un étrier (22) que sur le rail (3),
    sachant que deux points d'appui sur l'étrier (22) sont situés réciproquement distants transversalement au sens longitudinal du rail (3)
    et qu'un point d'appui sur le rail (3) est disposé à distance des points d'appui disposés contre l'étrier (22), dans le sens longitudinal du rail (3).
  5. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que le rail (3) présente des moyens de retenue pour le fixer de manière détachable contre les deux étriers (22),
    sachant que deux moyens de retenue du même type sont disposés réciproquement à une certaine distance dans le sens longitudinal du rail (3),
    de sorte que le rail (3) est montable sur deux agencements contre l'appui (2), agencements saillants à des distances différentes au-dessus de la surface de base de l'appui (2).
  6. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    le rail (3) est muni d'un profilé renfort au tracé longitudinal.
  7. Monte-charge selon la revendication 6, caractérisé en ce
    que le profilé renfort est configuré comme tube soudé contre le rail (3).
  8. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que des renforts obliques (10) vont du cadre (6) au sol aux étriers (22),
    sachant que les renforts obliques (10) sont immobilisés contre le cadre (6) au sol et/ou contre les étriers (22) à l'aide de moyens de verrouillage détachables.
  9. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que contre le dessous du cadre (6) au sol sont disposées des plaques de piètement (9) au moyen desquelles le cadre (6) au sol peut être posé sur le sol de la salle.
  10. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    qu'un moyen de verrouillage est configuré en tige basculante (32).
  11. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que les étriers (22) se composent respectivement d'un tube monobloc rond coudé en U.
  12. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que le renfort (7) arrière du cadre (6) au sol a un tracé appliquant sur le sol.
  13. Monte-charge selon la revendication 12, caractérisé en ce
    que le renfort (7) arrière de cadre présente un profilé transversal plat horizontal.
  14. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que contre le rail (3) sont disposées deux poignées de transport (40) disposées réciproquement distantes.
  15. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que les étriers (22) sont configurés réglables en hauteur.
  16. Monte-charge selon l'une des revendications précédentes, caractérisé en ce
    que contre le treuil (4) est raccordée une poignée (44) au moyen d'une barre de traction et de compression (45).
  17. Monte-charge selon la revendication 16, caractérisé en ce
    que la poignée (44) est en appui pivotant, autour d'un axe vertical, entre une position de travail dans l'alignement du rail (3) et, par rapport à la position de travail, une position de repos pivotée sur le côté.
EP19178709.2A 2018-06-12 2019-06-06 Monte-charge Active EP3581537B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018103287.9U DE202018103287U1 (de) 2018-06-12 2018-06-12 Lastenaufzug
DE202019100098 2019-01-10

Publications (2)

Publication Number Publication Date
EP3581537A1 EP3581537A1 (fr) 2019-12-18
EP3581537B1 true EP3581537B1 (fr) 2021-04-21

Family

ID=66776195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19178709.2A Active EP3581537B1 (fr) 2018-06-12 2019-06-06 Monte-charge

Country Status (1)

Country Link
EP (1) EP3581537B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000001882A1 (it) * 2020-01-31 2021-07-31 Alfredo Michele Sallustio Elevatore elettrico a cavalletto con elevata capacità di carico, atto soprattutto all'utilizzo in ambienti con finestre di ridotte dimensioni
CN116986493B (zh) * 2023-09-25 2023-11-28 成都市大通路桥机械有限公司 一种起重机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2338887A1 (fr) * 1976-01-22 1977-08-19 Deleau Daniel Potence de levage
AUPO635097A0 (en) * 1997-04-23 1997-05-15 Best, Bruce Rodney Lifting apparatus
US6478172B2 (en) * 2001-01-04 2002-11-12 David Zingerman Portable lifting device
DE102005022599B3 (de) 2005-05-17 2006-09-21 Oliver Hartmann Mobiler Transportkran
DE202013102702U1 (de) * 2013-06-21 2013-10-08 Jörg Wernsing Stützschiene

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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