EP3381858B1 - Ascenseur temporaire concu à partir d'un kit - Google Patents

Ascenseur temporaire concu à partir d'un kit Download PDF

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Publication number
EP3381858B1
EP3381858B1 EP18161232.6A EP18161232A EP3381858B1 EP 3381858 B1 EP3381858 B1 EP 3381858B1 EP 18161232 A EP18161232 A EP 18161232A EP 3381858 B1 EP3381858 B1 EP 3381858B1
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EP
European Patent Office
Prior art keywords
elevator
tower
rope
accordance
tubes
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EP18161232.6A
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German (de)
English (en)
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EP3381858A1 (fr
Inventor
Bernhard Lösing
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
    • B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure

Definitions

  • the invention relates to a temporary elevator made from a kit.
  • a temporary elevator is an elevator that is not operated permanently at a specific location.
  • an elevator is referred to as a temporary freight elevator, which is erected on site for a certain period of time and then not as one mobile goods lift is moved to another place of use, but rather is dismantled, so that this kit can then be reassembled at another place of use and the goods lift can be used there again for a certain operating time.
  • a temporary elevator in which a height-movable platform has a frame formed from metallic tubes.
  • a safety device for lifts is known in which locking elements are arranged on a load basket and the supports of the elevator have a special profile.
  • a fitting connects the locking elements with the rope on which the load basket hangs.
  • the locking elements are pulled together by means of the rope, the weight of the load basket ensuring the rope tension or rope force with which the rope acts on the fitting. If the rope breaks, this rope force is lost and the locking elements are pressed outwards by the spring force so that they engage in the special profile of the supports.
  • the invention is based on the object of specifying a temporary elevator formed from a kit which can also be used for the transport of people and which has the highest possible level of security in an economical manner.
  • the proposed elevator is often referred to below as a freight elevator.
  • it can also be used as a passenger elevator especially because it is equipped with suitable safety equipment.
  • the invention proposes to design the kit as a plug-in system with metallic tubes.
  • a platform which can be set up on an appropriately stable surface and from which a tower extends upwards. Both the platform and the tower can be dismantled in that the platform has at least two frame parts that can be separated from one another and the tower has a plurality of supports, which in turn each have a plurality of plug-in support parts arranged one above the other. Due to the fact that they can be dismantled, these basic components of the goods lift can be reduced to such small dimensions that they can be loaded onto a pallet, for example, and thus can also be transported to their intended location in comparatively small transport vehicles.
  • the supports of the tower are set up at a distance from one another and between the supports there is a load cage that can be moved vertically.
  • guide rails are provided on the support parts of the supports, which are designed as profile strips with a longitudinal groove. A boom of the load basket extends into this groove, so that in this way the load basket is guided in the horizontal direction, while it can be moved in the upright direction.
  • a motor-driven cable winch is provided, so that hydraulic rams or the like can be dispensed with and a particularly reliable, robust design of the freight elevator is ensured.
  • This can advantageously be an electric motor-driven winch, because the electrical power supply is guaranteed at all usual and typical places of use of the freight elevator, and can otherwise can be easily ensured by a mobile generator.
  • connection of the individual frame parts of the platform or the individual support parts of the tower supports to one another takes place in the form of a plug-in connection in that the frame parts or support parts are designed as metallic tubes.
  • the metal pipes mentioned are designed as square pipes.
  • Securing elements, such as split pins, locking screws or the like, which extend through the plug connections, can be installed particularly easily and in a short time in this way, since, in contrast to, for example, circular tubes, the shape of the square tubes represents an anti-rotation device, so that mutually aligned bores Align each other reliably when fitting the pipes.
  • the plug connection can advantageously be brought about in that the square tubes have inner tubes at the connection points, which extend partially into one tube.
  • the inner tubes can be in the form of components that can be handled separately, or enable particularly rapid construction progress by fixing them at one end in an outer tube by screwing or welding or the like, with a protrusion of the inner tube protruding from the tube in question, so that a adjacent metallic tube can be plugged onto this protrusion and the protrusion of the inner tube is received in the inner cavity of the second metallic tube.
  • the plug connection can advantageously be secured by means of a screw connection which extends transversely through the tubes which are inserted into one another.
  • a screw connection which extends transversely through the tubes which are inserted into one another.
  • the platform can advantageously have a square frame which is placed on the ground.
  • a leveling screw is arranged on at least one of the four corners, so that the frame can be placed on the surface without play and is protected against wobbling.
  • leveling screws can be provided at all four corners, so that the frame can not only be placed securely on the ground, but can also be reliably leveled, that is to say can be leveled.
  • the leveling screw is provided with a base plate at the lower end, so that the weight load or support load with which the leveling screw is supported on the ground is distributed over a larger area compared to the cross-sectional area of the leveling screw itself, for example compared to the shaft of the leveling screw . Even later, when the goods lift has been put into operation, corrections can be made with the leveling screws if the surface is e.g. B. should put.
  • the tower can advantageously be braced with the aid of crossbars, such a crossbar extending from a first to an adjacent second support of the tower.
  • the stiffening of the tower by means of the crossbar can be achieved particularly effectively by the fact that the crossbar not only connects to a support part of a support, but is connected to the two adjacent support parts in both supports which the crossbar connects, so that one is as possible Low-play composite of these four support parts is created by means of the crossbar.
  • the cable winch can advantageously be arranged in the lower region of the freight elevator, so that the assembly of the freight elevator is facilitated since the cable winch and the drive motor do not have to be raised to a great height. Rather, a deflection fitting is arranged at the top of the tower, so that the rope is guided from below, namely from the cable winch upwards to the deflection fitting and runs from the deflection fitting to the load basket.
  • Such a deflection fitting can advantageously have a so-called center bolt, which extends namely over the center of the tower cross section and which carries two deflection rollers: a first deflection roller is referred to as an outer roller because it is located outside the cross-sectional area of the tower, where the load basket is located - and moves downwards. From the cable winch, the cable runs essentially perpendicular to this first deflection roller, namely the outer roller of the deflection fitting. The rope then runs essentially horizontally from the outer pulley to a second deflecting pulley, which is referred to as the inner pulley, since it is located centrally within the tower cross section, namely centrally above the load basket. From there, the rope runs to the load basket so that it engages in the center over the base of the load basket.
  • a first deflection roller is referred to as an outer roller because it is located outside the cross-sectional area of the tower, where the load basket is located - and moves downwards. From the cable win
  • the guide rails which are provided for the load basket on the supports or the individual support parts, have grooves which have an undercut in their groove cross section, in which case the arms of the load basket initially have a comparatively narrow so-called neck and then, on their outer end, each have a head that is received in the undercut of the groove.
  • the guide rails can advantageously have a plastic profile, which is provided with the groove and which ensures low-friction running of the cantilevers in the guide rails.
  • a plastic profile can be arranged in a metallic profile rail, for example in a U-shaped metal profile.
  • the cable winch can advantageously be mounted on a support frame which in turn can be screwed to the supports or the platform of the goods lift.
  • This support frame ensures the correct positioning of the cable winch in the manner of a console, so that it is arranged outside the movement space of the load basket.
  • the proposed temporary elevator can be used as a freight elevator on construction sites, so that in the context of the present proposal the elevator is always referred to as a freight elevator.
  • it can also be used as a temporary passenger elevator if the appropriate safety devices are provided, e.g. Railings or protective plates at the prescribed height. For example, workers can reach the different levels of a building shell in a time-saving manner.
  • the proposed temporary freight elevator can also be built inside a building. For example be provided to provide the individual floor ceilings with aligned recesses one above the other within a shell. Composite irons, which are anchored in the surrounding floor ceiling, are bent downward in the area of the cutouts, for example, so that the cutout is freely passable.
  • the temporary freight elevator can now be erected, with its tower extending through these recesses arranged one above the other, for example over part of the building height, or over the entire height, or even up to and above the building height.
  • the composite iron can be bent back horizontally, the recesses are then shuttered and poured with concrete, so that a monolithic, continuous floor ceiling is created without the previously existing recess.
  • the proposed elevator which was previously primarily intended as a freight elevator, can be technically expanded or improved so that it can also be used for the transportation of people and has the highest possible level of security. For this purpose, it is proposed according to the present invention to provide fall protection.
  • the present proposal uses the construction of the tower from supports and crossbars:
  • the fall protection system has a spring-loaded locking bar that is held against the spring action in a driving position in which it enables the lift cage to be moved.
  • the load basket moves within a clearance profile in the tower. If, for example, the rope breaks, on which the load basket hangs, the effect with which the locking bar is held in its driving position by the rope against the spring action lapses.
  • Spring-loaded the locking bolt is now moved from its driving position into a locking position in which the locking bolt protrudes beyond the clearance profile.
  • the load basket can now fall down over a certain distance, but is caught on the next crossbars, since the locking bar comes to rest against these crossbars.
  • the drop height of the freight elevator is limited where obstacles to the locking bolt limit the clearance profile.
  • the crossbars are used for this, as already mentioned, so that no additional elements are required in the construction of the elevator that would be provided specifically as stops for the locking bars.
  • the vertical supports of the tower are assembled from individual support parts and a crossbar is always provided in the connection area of two support parts, the length of the support parts and thus, as it were, the height of the tower level determines the distance at which the individual crossbars are arranged and thus also the maximum drop height of the load basket.
  • the construction of both the crossbars and the locking bolts can be calculated in such a way that the load basket can be reliably intercepted by means of the locking bolts after this maximum drop height and a further fall of the load basket downwards is thus prevented.
  • the locking bolt can be pivoted, for example, or can be movable in another way between its driving and locking positions. It can advantageously be provided that the locking bolt is designed as part of a telescopic linkage and can accordingly be moved linearly. In this way, not only is rapid mobility and thus a very short reaction time of the locking bolt ensured, but also a minimal free space for the movement of the locking bolt is required compared to, for example, a pivoting movement, so that due to this minimally required movement space In addition to the rapid mobility, there is also the advantage that this movement can be carried out with a high degree of security, since the probability that interference elements can protrude into this movement space is correspondingly reduced due to the small movement space.
  • the locking bar is designed as an inner part of the telescopic linkage and an outer part of the telescopic linkage is designed as a tube that receives the locking bar, so that in its driving position the locking bar is at least partially and possibly entirely immersed in this tube.
  • the tube provides excellent protection for the locking bolt, for example against dirt, which could otherwise impair the free movement of the locking bolt in use.
  • the tube enables secure guidance and a secure hold for the locking bar when it is in its locked position, the tube in turn being able to be reliably attached to the load cage of the elevator, for example being welded to other components of the load cage.
  • the rope does not act directly on the locking bolt, but rather is firmly connected to the receiving fitting of the load basket. Rather, a tension element runs from the rope to the locking bar, so that the tension bar keeps the locking bar in its driving position by means of this tension element.
  • the weight of the load basket tightens the rope and, accordingly, the locking bar is held in its driving position against the action of the spring by means of the tension element.
  • the tension element connects to the cable at a distance from the connection fitting of the load basket.
  • the tension element is designed as a safety rope.
  • a particularly space-saving, light and inexpensive way of actuating the locking bolt can be created by means of a rope.
  • This rope is referred to as a safety rope also expresses the fact that this rope serving as a pulling element can be designed differently from the rope which runs from the winch to the load basket and is used for the up and down movement of the load basket.
  • the safety rope can be dimensioned weaker, because on the one hand it does not have to take up the entire load of the load basket, and on the other hand it is a self-locking system: If the safety rope fails and breaks, the locking bar is no longer held in its driving position against the spring force, but is automatically brought out into its locked position by the spring force, so that the load cage of the elevator assumes a safe state in this way.
  • the elevator has not only one but a plurality of locking bolts, that is to say at least two, wherein it is preferably provided that two locking bolts are arranged opposite one another.
  • two locking bolts are arranged opposite one another.
  • the avoidance of such tilting forces prevents the load basket from sloping, which on the one hand transported for those in the load basket Load, possibly people, is advantageous, but also protects the load basket itself and the tower from damage that could otherwise be caused by the load basket tipping over when braking, when the locking bolts hit their stops.
  • 1 indicates a total of a temporary elevator, which is composed of a kit and serves as a freight elevator.
  • Fig. 1 shows a platform 2, which is designed in the form of an essentially square frame and has two frame parts 3 and 4, which adjoin one another at a separation point 5.
  • the two frame parts 4 and 5 have metallic tubes 6, which are each arranged in a U-shape and inserted into one another at separation points 5, so that a rectangular frame is obtained, which in the exemplary embodiment shown is square.
  • the tubes 6 consist of square steel tubes with an outer edge length of 60 mm and a wall thickness of 2 mm.
  • the tubes 6 are connected to one another by inner tubes 7, which are also designed as steel tubes, with a square cross section, an edge length of 55 mm and a wall thickness of 2 mm.
  • the inner tubes 7 can be screwed to both frame parts 3 and 4. In favor of faster work progress, however, it is provided that they are fixedly mounted in one of the two frame parts 3 or 4, and that they are only inserted into the other frame part 4 or 3 in the tube 6 there and secured by a screw connection, which extends across the tube 6 in question and the inner tube 7.
  • a leveling screw 9 is provided in each foot plate 8, so that the entire platform 2 can be aligned horizontally by means of the leveling screws 9.
  • Fig. 2 shows that the leveling screws 9 are each provided with a bottom plate 10 at their lower end.
  • the tubes 6 extend beyond the base plates 8 to the outside, where from Fig. 2 visible rollers 11 enable the platform 2 to be moved before the platform 2 is set up in a stationary manner and leveled by means of the leveling screws 9.
  • Fig. 1 shows that an upright support 12 is arranged in the area of the four corners of the platform 2.
  • Fig. 2 shows that each support 12 consists of several superimposed Support parts 14 is formed.
  • each support part 14 is formed from metallic tubes 6.
  • connection principle of the described plug-in system with outer tubes 6 and inner tubes 7 is applied at several points of the temporary elevator 1.
  • the tubes 6, which are used on the one hand for the platform 2 and on the other hand for the supports 12, are configured differently or not, they are identified with the same reference number 6 in the present description for the sake of simplicity.
  • the wall thickness of the tubes 6 used for the supports 12 is 3 mm larger than the wall thickness of 2 mm of the tubes 6 used for the platform 2.
  • the inner tubes 7 used for the connection are also designed differently . Accordingly, the inner tubes 7 are always identified with the same reference number 7 in the present description, regardless of whether they are configured differently or not.
  • a load basket 17 is arranged between the supports 12, that is to say within the area surrounded by the four supports 12.
  • This has a U-shaped, demountable support bracket 18, which is formed from a plurality of tubes 6 and inner tubes 7 and has reinforcing straps 39 in the upper region.
  • the upper half of the mounting bracket 18 is connected to the lower half of the mounting bracket 18 by a plug-in connection with inner tubes 7 and screws 25, as shown in particular in FIG Fig. 3 can be seen.
  • the load basket 17 has a square base, and in the area of its four corners each have a bracket 19.
  • Each bracket 19 is provided with a spherical head 20 which fits into the groove 16 of a guide rail 15 extends.
  • the undercut of the groove 16 takes on the head 20 of the arm 19.
  • an electromotive driven winch 21 can also be seen, which contains a rope drum with the rope wound thereon and also an electric drive motor.
  • a changeover switch is provided directly on the cable winch 21, with a wired or wireless remote control advantageously also enabling this operation of the cable winch 21.
  • Fig. 3 shows that the cable winch 21 is not attached directly to the platform 2, but rather to a support frame 22.
  • Inclined supports 32 support two bracket struts 33, which are connected to one another by a support tube 34 and an angle profile 35.
  • the angle profile 35 is fixed to two adjacent supports 12 and the lower ends of the inclined supports 32 are fastened to the platform 2, these fastenings always being in the form of screw connections, so that the entire support frame 22 together with the cable winch 21 is handled as a compact assembly can be.
  • the four supports 12 extend upward from the horizontally aligned platform 2 and form a tower 23, the height of which is determined by the number of support parts 14 arranged one above the other.
  • the tubes 6 of the support parts 14 are also connected to one another by inner tubes 7, a cross bar 24 running wherever two support parts 14 adjoin each other.
  • a cross bar 24 is configured as an L-profile with an upper, lying profile section 36 and an angled downward-projecting profile section 37, which is extended at both ends to a tab 38.
  • the tabs 38 each extend partially over the two adjacent tubes 6.
  • Two screws 25 extend through each tab 38, the lower screw 25 through the lower tube 6 and the upper screw 25 through the upper tube 6, so that these screws 25 also represent the safety screw connection which extend through the outer tubes 6 and the inner tube 7.
  • a deflection fitting 26 is provided on top of the tower 23 and guides a rope 27 from the rope drum 21 to the support bracket 18 of the load basket 17.
  • This deflection fitting 26 has a central bolt 28 which is provided with straps which on the one hand carry a first deflection roller which is arranged as an outer roller 29 outside the tower cross section and to which the cable 27 runs upwards from the cable winch 21. From this first outer roller 29, the rope 27 is deflected into the horizontal and runs above the center bar 28 to a second deflecting roller, which is referred to as the inner roller 30 and leads the rope downward over the center of the tower cross section, so that the rope end is above the center the load basket 17 connects to its bracket 18.
  • the structure of the load basket 17 is off Fig. 3 can be seen more precisely: has a scaffold consisting of several tubes 6 and cage walls 31, which serve as a securing device to secure material transported in the load basket 17 from falling down.
  • These basket walls 31 can be designed as metal plates, for example as so-called tear plates. They are movable in such a way that they can be arranged lying down or upright. For example, they can be inserted loosely into corresponding holders of the load basket 17 from above, or they can be movably attached to the frame of the load basket 17 via hinges.
  • two opposite basket walls 31 are designed to be movable by being hinged to the bottom of the load basket 17.
  • the view of such a movable basket wall 31 falls Alignment serves the two movable basket walls 31 as walking floors, for example to be able to spend material from the building site on the floor of the load basket 17, and later, when the load basket 17 has been lifted, the material from the load basket 17 to the floor of a building to bring.
  • the two other basket walls, which are arranged transversely to the movable basket walls 31, are immovably fixedly mounted.
  • the movable basket walls 31 can be securely held in their raised, upright, secured position by simple sliding or swivel bolts which are provided on the frame of the load basket 17 formed by tubes 6.
  • the load basket 17 has bottom profiles 40, in the form of metallic tubes 6, wherein brackets in the form of inner tubes 7 can be inserted into the bottom profiles 40. These arms extend so far outwards that they protrude beyond the cross section of the tower 23. If the brackets are not mounted, the load basket 17 can be moved up and down within the tower 23 and lowered so far that it stands on the floor with its floor profiles 40 within the frame formed by the platform 2. However, if the load basket 17 is raised so far that the floor profiles 40 are above the platform 2 or inside the tower 23 above crossbars 24, the booms can be inserted into the floor profiles 40 and the load basket 17 can then be lowered so that the boom on the platform 2 or on the crossbar 24.
  • Fig. 4 shows the top of the tower 23 below, as does it from Fig. 2 can be seen, but on a larger scale.
  • the uppermost support parts 14 are connected to one another on two opposite sides by two crossbars 24.
  • the other two, opposite sides, where there are none Crossbars 24 are connected to one another by two tubes 6 serving as crossbeams, which are connected on the one hand by means of inner tubes 7 to the uppermost support parts 14, and on the other hand are fixed to the uppermost support parts 14 by means of screws 25 in the tabs 38 of the crossbars 24 .
  • the center bar 28, which carries the outer roller 29 and the inner roller 30, runs in the center transversely to these two upper, horizontally arranged tubes 6.
  • Fig. 4 is a view of the upper end of the tower 23 is shown above, which is rotated by 90 ° compared to the lower view.
  • the two crossbeams 24 and the central bolt 28 can be seen in cross-section while looking at one of the two upper, lying tubes 6.
  • the center bolt 28 and the two upper, lying tubes 6 serving as cross members are components which will be used later to form the deflection fitting 26.
  • a cable winch 21 is held on the center bar 28. It can be the same cable winch 21 that is mounted on the support frame 22 after completion of the tower 23.
  • a quick assembly of the elevator 1 is favored, however, if the cable winch 21 always remains firmly on the support frame 22, and if a second cable winch 21 is used on the central bar 28 during the assembly of the tower 23, which, for example, is also not approved for such a high load capacity needs to be like the cable winch 21 used later in the operation of the elevator 1.
  • a cable runs from the cable winch 21 held on the central bar 28 directly down to the floor of the elevator 17 and is attached to an eyelet 42 there.
  • FIG. 1 shows the fully assembled temporary elevator 1, it is assembled in accordance with the following description:
  • the two frame parts 3 and 4 are inserted into one another in the region of the separation points 5 and connected to one another. These plug connections are secured by screws 25 which extend across the tubes 6 and the inner tubes 7.
  • the platform 2 created in this way can be moved on the rollers 11 and is moved exactly to the desired installation location of the elevator 1.
  • the platform 2 is then aligned exactly horizontally at this installation site using the leveling screws 9.
  • the platform 2 is raised so far that the rollers 11 are relieved.
  • the load basket 17 is placed in the middle of the platform 2.
  • the load basket 17 is not yet finally assembled at this point in time by the upper half of the carrying bracket 18 not yet being connected to the lower half thereof using the plug connections mentioned.
  • the pipe socket 41 can either be designed as an inner pipe 7 or as a pipe 6. In the illustrated embodiment, they are each designed as a short tube 6. Accordingly, all the support parts 14 have at their lower ends inner tubes 7, with which they are inserted into the tubes located below them or into the tube sockets 41. Alternatively, it can be provided that the inner tubes 7 are present as separate components and, for example, are first fastened in the respective lower tube 6 or tube socket 41 before a tube 6 is then fitted from above onto the protruding projection of the inner tube 7.
  • the tubes 6 of the support parts 14 have a length of 150 cm, so that the tower 23 can be brought to the desired height in several floors and each floor has a height of 150 cm. After assembly of the first, lower support parts 14, their upper ends are at an easily accessible working height, so that the next higher support parts 14 and the crossbars 24 can still be assembled from the floor without any problems.
  • the load basket 17 is gradually raised by one floor so that it can be used as a work platform for assembling the next floor. Because the support bracket 18 has not yet been fully assembled, its upper half is not a hindrance when the tower 23 is erected.
  • the cable winch 21 is installed on the central bar 28 and the cable 27 is connected to the eyelet 42 on the bottom of the load basket 17.
  • the load basket 17 can be pulled up and used as a work platform. For this purpose, the load basket 17 is raised so far that its base profiles 40 are located above cross bars 24. Then the boom inserted into the floor profiles 40 and the load basket 17 lowered again, so that the arms lie on the crossbars 24.
  • the tower 23 can be built up floor by floor up to the desired tower height.
  • the support frame 22 is fixed to the platform 2 and the lower support parts 14 using screws 25.
  • the support bracket 18 and the deflection fitting 26 are completed.
  • the cable winch 21 is removed from the central bolt 28 and the inner roller 30 is fastened to the same fastening points of the central bolt 28 that have now become free.
  • the outer roller 29 is mounted on the center bar 28. If the same cable winch 21 is to be used first for the assembly of the tower 23 and later for the operation of the elevator 1, this is now mounted on the support frame 22.
  • the rope 27 is guided by the winch 21, which is located on the support frame 22, over the outer roller 29 and the inner roller 30 to the load basket 17 and attached there.
  • the carrying bracket 18 is designed to be resilient in such a way that the cable 27 is attached to the carrying bracket 18.
  • the space below the cable 27 in the load basket 17 can be used freely without the cable 27 extending as far as the eyelet 42, that is to the bottom of the load basket 17. If, however, the eyelet 42 is to be used for attaching the rope 27, the rope 27 can run through a guide eye on the support bracket 18 in order to stabilize the load basket 17 against undesired pendulum movements.
  • the two frame parts 3 and 4 are not immediate to connect to each other, but to mount 5 intermediate elements in the form of tubes 6 at the separation points.
  • the platform 2 no longer has a square plan, but a rectangular, elongated cross section. Together with appropriately designed crossbars 24, the width of the elevator 1 can be changed in this way.
  • the load basket 17 also has a framework assembled from tubes 6, so that basically the same plug-in system with tubes 6, inner tubes 7 and screws 25 is used as for platform 2 or tower 23, although the components can be dimensioned differently, for example the tubes 6 for the load basket 17 can have smaller cross-sectional dimensions than for the platform 2 or the tower 23. Because of the use of the plug-in system, the dimensions of the load basket 17 can also be changed by using corresponding intermediate elements, to match the dimensions of the platform 2.
  • the two frame parts 3 and 4 and the supporting frame 22 with the cable winch 21, which may always remain there, represent the largest individual components of the kit from which the elevator 1 is constructed.
  • the platform 2, the tower 23 and the load basket 17 can be disassembled into several small elements, in particular into a bundle of tubes and crossbars, which enables space-saving storage and transport of the entire elevator 1 in the disassembled state.
  • a practical exemplary embodiment brings about dimensions of the entire kit in the order of 1.5 mx 1.0 mx 0.6 m for an elevator with a height of 12 meters, so that the total space requirement of such a kit is less than 1 m 3 .
  • the proposed elevator 1 has the components of one or the two used winches 21, practically no need for maintenance and is accordingly inexpensive to maintain.
  • the load basket 17 can also be used to form a mobile scaffold together with the platform 2.
  • the leveling screws 9 are screwed up so that the platform 2 can be moved on its rollers 11, which are preferably designed as heavy-duty rollers.
  • the upper half of the support bracket 18 is preferably not mounted so as not to be an obstacle in the way, and the booms 19 can be placed on the tubes 6 of the frame parts 3 and 4 of the platform 2, so that the floor profiles 40 of the Load basket 17 are objected to and raised from the ground.
  • Fig. 5 1 designates an elevator as a whole, which can basically serve as a freight elevator, but according to the proposal is also developed in such a way that it can be used for the transport of people.
  • the elevator 1 stands on the floor with a platform 2, and a tower 23 extends upward from the platform 2.
  • the tower 23 is formed by four vertically arranged supports 12 which are arranged in a square and are connected to one another at regular intervals by crossbars 24, so that there is a square light space within this tower 23 in which a load basket 17 moves up and down can be.
  • a cable winch 21 is provided, which is arranged outside the clearance profile of the tower 23 and from which a cable 27 extends to the upper end of the tower 23. From there, the rope 27 runs around an outer roller 29 and an inner roller 30, the rope 27 running downward from the inner roller 30 to a support bracket 18 of the load basket 17.
  • the four supports 12 each consist of a plurality of support parts 14 arranged one above the other. Where two support parts 14 adjoin one another, a cross bar 24 runs from a support 12 to an adjacent support 12, so that several floors of the tower 23 result from these multiple crossbeams 24 and, accordingly, the height of the tower 23 during the construction of the temporary elevator 1 to the respective circumstances, e.g. B. a construction site can be adjusted.
  • a fall protection device is arranged on the carrying bracket 18 of the load basket 17.
  • This fall protection comprises a safety rope 103, which connects to the rope 27 at a distance above the support bracket 18 and from there runs to a deflection roller 104 on both sides. From the deflecting rollers 104, the two ends of the safety rope 103 each extend in a telescopic arrangement up to a locking bar 105 shown in FIG Fig. 6 is shown in dashed lines in its locking position, in which it projects beyond the cross-sectional contour of the tower 23 outwards, the mobility of the two locking bolts 105 being indicated by outward-pointing horizontal arrows. Furthermore, in Fig. 6 Within the telescope arrangement mentioned, a spring 106 is indicated, which is designed as a compression spring in the form of a helical spring and strives to urge the respectively assigned locking bolt 105 outward into its locking position.
  • FIG. 6 It can be seen that where two superposed support parts 14 adjoin one another, the crossbars 24 run, which are each fastened to the supports 12 with screws 25, so that by means of these screws 25 both the adjacent support parts 14 and the crossbars 24 are connected to one another will.
  • the crossbars 24 are designed as L-shaped steel angle profiles, while the support parts 14 are designed as steel hollow profiles made of a steel tube with a square cross section.
  • Fig. 7 shows the right half of the in Fig. 6 Fall protection shown. It can be seen that the safety rope 103 is formed from two separate sections, each of which connects to a fitting 115, which is fixed to the rope 27.
  • the telescopic arrangement has an outer tube 108, in which the locking bolt 105, which is also designed as a tube, is guided to be longitudinally movable.
  • a guide tube 109 extends axially through the tube 108 and the locking bolt 105.
  • This guide tube 109 serves to guide the safety rope 103.
  • the compression spring 106 designed as a helical spring extends around this guide tube 109 and is supported against two tube plates 110, which are each provided on the end of the tube 108 and the locking bolt 105 directed towards the deflection roller 104.
  • Another tube sheet 110 is arranged within the locking bar 105, near the opposite free end, so that a comparatively short projection of the tube of the locking bar 105 relative to this tube sheet 110 remains up to the free end of the locking bar 105.
  • the end of the safety rope 103 is accommodated within this projection, this end being secured with a nipple, clamp fitting or the like.
  • the free end of this locking bolt 105 is covered by a cap 111 which is made of plastic and is held in the tube of the locking bolt 105 by a clamp fit.
  • the cable 27 With tensile forces acting on the cable 27, the cable 27 is tightened, as shown in the drawings, so that the fitting 115 is held at a distance above the support bracket 18 and the connecting fitting 107. Accordingly, the safety cable 103 is tightened, so that a cable clamp 116, which is provided at the end of the safety cable 103, transmits compressive forces to the tube sheet 110 there, so that the locking bar 105 is drawn as deep as possible into the tube 108 against the action of the spring 106.
  • the section of the cable 27 which is located between the connection fitting 107 and the fitting 115 of the securing arrangement can slacken. Even if this section of the rope 27 breaks or if the safety rope 103 breaks, the consequence in any case is that the spring 106 can relax and push the locking bar 105 out of the tube 108 as far as possible.
  • the locking bolt 105 thus extends beyond the clearance profile of the tower 23 to the outside, so that when the load basket 17 is lowered, the two locking bolts 105 hit the next lower cross bolt 24 from above, thereby preventing a further downward movement of the load basket 17.
  • the securing rope 103 runs as a single piece of rope from a locking bar 105 via the fitting 115 to the opposite locking bar 105, in particular if the securing rope 103 is not clamped in the area of the fitting 115, but only is guided by means of the fitting 115, it can be ensured that both locking bolts 105 are triggered and moved into their locking position if the safety rope 103 should tear at any point between its two ends.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (15)

  1. Monte-charge (1) temporaire conçu à partir d'un kit, comprenant
    • une plate-forme (2) configurée en châssis, sachant que la plate-forme (2) présente au moins deux parties (3, 4) de châssis reliées entre elles de manière détachable,
    • plusieurs appuis (12) et traverses (24) pour former une tour (23), sachant que chaque appui (12) est construit à partir de pièces d'appui (14) emboîtables disposées superposées, et que les pièces d'appui (14) sont munies de rails de guidage (15) configurés en bandeaux profilés à gorge (16) présentant un tracé longitudinal, et que les appuis (12) et traverses (24) délimitent un gabarit de la tour (23),
    • un treuil (21) à entraînement motorisé,
    • un panier porte-charge (17) disposé mobile en hauteur entre les appuis (12) de la tour (23), présentant une ferrure de raccordement (107) reliable au câble (27) du treuil (21), et présentant des flèches (19) qui peuvent être introduites dans les gorges (16) des rails de guidage (15), de sorte que le panier porte-charge (17) est guidé dans le sens horizontal dans les rails de guidage (15) et est déplaçable en hauteur dans le sens vertical, à l'intérieur du gabarit, au moyen du câble (27) circulant du treuil (21) vers la ferrure de raccordement (107) du panier porte-charge (17), et sachant que les parties (3, 4) du châssis de la plate-forme (2) ainsi que les pièces d'appui (14) de la tour (23) sont configurées sous forme de tubes (6) métalliques et qu'au moyen d'une jonction emboîtée, elles sont au choix reliables entre elles ou détachables les unes des autres,
    caractérisé en ce que contre le panier porte-charge (17) est disposé un verrou de blocage (105), sous contrainte ressort, pouvant se déplacer entre une position de déplacement que le verrou de blocage (105) prend à l'intérieur du gabarit, et une position de blocage dans laquelle le verrou de blocage (105) fait saillie vers l'extérieur au-delà du gabarit, et sachant que le verrou de blocage (105) est maintenu sur sa position de déplacement par le câble (27) en contrant l'effet ressort.
  2. Monte-charge selon la revendication 1, caractérisé en ce que les tubes métalliques (6) sont configurés en tubes quadrangulaires et que des tubes intérieurs (7) sont disposés contre les zones de liaison, tubes intérieurs qui s'étendent respectivement en partie dans les deux tubes (6) réciproquement limitrophes, tandis que la cavité de l'autre tube métallique (6) forme un volume réceptacle pour le segment saillant du tube intérieur (7).
  3. Monte-charge selon la revendication 1 ou 2, caractérisé en ce que les tubes métalliques (6) sont sécurisés par un raccord vissé dans la zone de leur jonction enfichée respective, raccord qui s'étend transversalement aux tubes (6, 7) emboîtés l'un dans l'autre.
  4. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que la plate-forme (2) présente un cadre quadrangulaire et que dans au moins l'un des quatre coins est disposée une vis de nivellement (9) qui s'étend verticalement et qui est munie à son extrémité inférieure d'une plaque de fond (10) dont la surface d'appui sur le sol est supérieure à la surface de la section que présente la tige de la vis de nivellement (9).
  5. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que là où se jouxtent des pièces d'appui (14) voisines composant la tour (23), une traverse (24) part d'un premier appui vers un deuxième appui (12) voisin composant la tour (23), sachant que la traverse (24) est reliée, au niveau des deux appuis (12), respectivement avec les deux pièces d'appui (14) réciproquement limitrophes.
  6. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que le treuil (21) est disposé dans la zone inférieure du monte-charge (1), et qu'une ferrure de renvoi (26) est disposée en haut contre la tour (23), sachant que le câble (27) partant du treuil (21) monte vers la ferrure de renvoi (26) et part de là vers le panier porte-charge (17).
  7. Monte-charge selon la revendication 6, caractérisé en ce que la ferrure de renvoi (26) présente une traverse médiane (28) qui s'étend au-delà du milieu de la section de la tour, sachant qu'elle présente un premier galet de renvoi appelé galet extérieur (29) qu'il faut disposer au-dessus du treuil (21) ainsi qu'un deuxième galet de renvoi appelé galet intérieur (30), qu'il faut disposer au-dessus du panier porte-charge (17).
  8. Monte-charge selon la revendication 7, caractérisé en ce que le galet intérieur (30) est fixé de manière détachable contre la traverse médiane (28), et en ce que le kit présente un treuil (21) qu'il est possible de monter contre la traverse médiane (28).
  9. Monte-charge selon la revendication 8, caractérisé en ce que le galet intérieur (30) est fixé de manière détachable contre certains points de montage sur la traverse médiane (28), et en ce que le treuil (21) peut être monté contre ces points de montage.
  10. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que les rails de guidage (15) des appuis (12) présentent des gorges (16) dont la section comporte une contre-dépouille, et en ce que les flèches (19) du panier porte-charge (17) présentent respectivement une tête (20) pouvant être logée dans la contre-dépouille.
  11. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que le rail de guidage (15) présente un profilé en plastique muni d'une gorge (16).
  12. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que le treuil (21) est monté contre un châssis porteur (22) qu'il est possible de raccorder de manière vissée contre les appuis (12) et/ou la plate-forme (2).
  13. Monte-charge selon l'une des revendications précédentes, caractérisé en ce que le panier porte-charge (17) présente des parois (31) disposées latéralement, qui s'étendent redressées depuis le fond du panier porte-charge (17), sachant qu'au moins une paroi (31) du panier est déplaçable de sa position de sécurisation redressée vers une position de fond mobile couchée.
  14. Monte-charge selon la revendication 13, caractérisé en ce que deux parois (31) de panier se faisant face sont configurées déplaçables.
  15. Monte-charge selon la revendication 13 ou 14, caractérisé en ce qu'une paroi mobile (31) de panier est en appui, lui permettant de pivoter, autour d'un axe de charnière disposé à l'horizontale contre son extrémité inférieure.
EP18161232.6A 2017-03-27 2018-03-12 Ascenseur temporaire concu à partir d'un kit Active EP3381858B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017101760.5U DE202017101760U1 (de) 2017-03-27 2017-03-27 Bausatz für einen temporären Lastenaufzug
DE202017102730.9U DE202017102730U1 (de) 2017-03-27 2017-05-08 Temporärer Aufzug mit Absturzsicherung

Publications (2)

Publication Number Publication Date
EP3381858A1 EP3381858A1 (fr) 2018-10-03
EP3381858B1 true EP3381858B1 (fr) 2020-06-03

Family

ID=58773901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18161232.6A Active EP3381858B1 (fr) 2017-03-27 2018-03-12 Ascenseur temporaire concu à partir d'un kit

Country Status (2)

Country Link
EP (1) EP3381858B1 (fr)
DE (2) DE202017101760U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017101760U1 (de) 2017-03-27 2017-05-10 Bernhard Lösing Bausatz für einen temporären Lastenaufzug
CN112707267A (zh) * 2020-12-22 2021-04-27 住友富士电梯有限公司 防坠落的安全性电梯
CN114249202A (zh) * 2021-12-21 2022-03-29 重庆宝铭建设工程有限公司 一种自锁式绿色建筑施工电梯防坠装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1398216A (en) * 1920-03-16 1921-11-22 Jr John S Barnette Safety device for mine-elevators
US1853085A (en) * 1929-03-11 1932-04-12 Albert T Scannell Tower for elevating construction materials
US2644545A (en) * 1950-11-09 1953-07-07 Universal Mfg Co Elevator tower assembled from prefabricated panels
US5579865A (en) * 1994-02-23 1996-12-03 Butler; J. Frank Scaffold
DE202016106594U1 (de) * 2016-08-02 2016-12-05 Bernhard Lösing Schienensystem mit Rundkörpern
DE202017101760U1 (de) 2017-03-27 2017-05-10 Bernhard Lösing Bausatz für einen temporären Lastenaufzug

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
DE202017101760U1 (de) 2017-05-10
EP3381858A1 (fr) 2018-10-03
DE202017102730U1 (de) 2017-06-08

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