EP3381858A1 - Kit for a temporary hoist - Google Patents

Abstract

The invention proposes a kit for a temporary elevator (1) and an elevator (1) formed therefrom, with €¢ a platform designed as a frame (2), the platform (2) having at least two frame parts (3, 4) which are detachably connected to one another, €¢ several supports (12) to create a tower (23), each support (12) being made up of pluggable support parts (14) arranged one above the other, and the support parts (14) are provided with guide rails (15) which are designed as profile strips with a longitudinal groove (16), €¢ a motor-driven cable winch (21), €¢ a load basket (17), which can be arranged in a height-adjustable manner between the supports (12) of the tower (23), has a connection fitting (107) that can be connected to the cable (27) of the cable winch (21), and cantilevers (19) which can be inserted into the grooves (16) of the guide rails (15), such that the load basket (17) is guided in the horizontal direction in the guide rails (15) and can be moved in the vertical direction, and wherein the frame parts (3, 4) of the platform (2) and the support parts (14) of the tower (23) are designed as metal tubes (6) and can be connected to one another or detached from one another by means of a plug-in connection.

Description

The invention relates to a kit for producing a temporary elevator.

Freight lifts are used for material transport. In the context of the present proposal, a temporary elevator is an elevator which is not permanently operated at a specific site. In contrast to, for example, mobile goods lifts, which are mounted on bogies and are known, for example, as a roofer lift or the like, is referred to in the context of the present proposal as a temporary goods lift elevator, which is built for a certain period of time in place and then not like a mobile freight elevator is moved to another location, but rather is dismantled so that then this kit to be re-installed at another site can and where the goods lift can be used again for a certain period of operation.

The invention has for its object to provide a kit for a temporary elevator, and to provide an elevator created therefrom, on the one hand allows the construction or disassembly of a temporary elevator within a short time and allows the transport of the individual components of the elevator with a small footprint ,

This object is achieved by a kit according to claim 1 and by a lift according to claim 16. Advantageous embodiments are described in the subclaims.

Due to the limited time, but repeatable useful life, as z. B. is advantageous for use on several construction sites, the proposed elevator is often referred to as freight lift below. However, it can also be used as a passenger elevator, especially if it is technically developed in accordance with appropriate regulations and provided with a suitable safety equipment.

In other words, the invention proposes designing the kit as a plug-in system with metallic tubes. In this case, on the one hand, a platform is provided which can be set up on a correspondingly load-bearing base and from which a tower extends upwards. Both the platform and the tower are dismantled by the platform has at least two separable frame parts and the tower has a plurality of supports, which in turn each have a plurality of superposed, plug-in support members. Due to the dismantling of these basic components of the goods lift can be reduced to such a small extent that they can be loaded, for example, on a pallet and thus, for example, in relatively small transport vehicles can be brought to their intended location.

The supports of the tower are placed at a distance from each other and between the supports a cargo basket is provided vertically movable. To guide them reliably, guide rails are respectively provided on the support parts of the supports, which are designed as profiled strips with a longitudinal groove. In this groove each extending a boom of the cargo basket, so that in this way the cargo basket is guided in the horizontal direction, while it is movable in the upright direction.

In order to move the cargo basket in the upright direction, a motor-driven winch is provided so that it can be dispensed with hydraulic punch or the like and a special reliable, robust design of the goods lift is ensured. This may advantageously be an electric motor driven winch, because the electrical power is guaranteed at all usual and typical locations of the goods lift, and can otherwise be easily ensured by a mobile generator.

The connection of the individual frame parts of the platform or the individual support parts of the tower supports with each other takes place in the form of a plug connection in that the frame parts or support parts are designed as metallic tubes.

A particularly simple handling during assembly or disassembly of the goods lift can be made possible in that the mentioned metallic tubes are designed as square tubes. Securing elements, such as cotter pins, locking screws or the like, which extend through the connectors, can be mounted in this way particularly simple and in a short time, as opposed to For example, circular tubes, the shape of the square tubes represents an anti-rotation, so that aligned holes in the assembly of the pipes reliably accurately aligned with each other. The connector can be advantageously effected by the fact that the square tubes have at the junctions inner tubes which extend partially into the one tube. The inner tubes may be present as separately manageable components, or allow a particularly rapid construction progress, that they are each fixed at one end in an outer tube by screwing or welding or the like, wherein a supernatant of the inner tube protrudes from the respective tube, so that a adjacent metallic tube can be plugged onto this supernatant and the supernatant of the inner tube is received in the inner cavity of the second metallic tube.

As tubes, for example as the mentioned square tubes, commercially available semi-finished products can be used, so that an economical, low-cost production of the goods lift is possible. In particular, if no special, deformed at the end pipes are used for the creation of the connector, but the mentioned inner tubes, and if the connector is secured by a screw frame elements or support parts of the goods lift can be inexpensively created from commercially available semi-finished products.

The connector can be advantageously secured by a screw which extends transversely through the nested tubes. The fact that a tool is required to release the screw, the fuse of the connector is protected against unintentional loosening, as otherwise could not be excluded with tool-operated fuses, for example, in resilient Splints, with resilient snap closures or the like.

Advantageously, the platform may have a quadrangular frame which is placed on the ground. At least one of the four corners while a leveling screw is arranged so that the frame can be placed without play on the ground and is protected against wobbling. However, it is particularly advantageous for leveling screws to be provided at all four corners, so that the frame can not only be stored on the ground in a wobbly manner, but can also be reliably accurately leveled, that is, leveled. The leveling screw is provided at the lower end with a bottom plate, 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, can be made with the leveling screws corrections, if the ground is z. B. should set.

A stiffening of the tower can be carried out advantageously by means of cross bars, with such a crossbar extending from a first to an adjacent second support of the tower. In this case, the stiffening of the tower by means of the crossbar is particularly effective reachable that the cross bar not only connects to a support part of a support, but is connected to both supports, which connects the crossbar, each with the two adjacent support members, so that as possible low-play composite of these four support members is created by means of the cross bar.

Advantageously, the winch can be arranged in the lower region of the goods lift, so that the assembly of the goods lift is facilitated, since the winch and the drive motor do not need to be raised to a high altitude. Rather, a deflection fitting is arranged at the top of the tower, so that the rope is guided from below, namely from the winch up to the deflection fitting and runs from the deflection fitting to the cargo basket.

Such a deflection fitting may advantageously have a so-called center bar, which extends over the center of the tower cross section, and carries two pulleys: A first pulley is referred to as outer roller, because it is located outside the cross-sectional area of the tower, where the cargo basket on - and moves down. From the cable winch, the cable extends to this first guide roller, namely the outer roller of the deflection fitting substantially perpendicular. From the outer roller, the cable then runs substantially horizontally up to a second deflection roller, which is referred to as inner roller, since it is located centrally within the tower cross section, namely centrally above the cargo basket. From there, the rope runs to the cargo basket, so that it attacks the center of the base of the cargo basket.

Advantageously, the guide rails, which are provided for the cargo basket on the supports or the individual support parts, have grooves which have an undercut in their groove cross-section, cooperating with the boom of the cargo basket initially having a comparatively narrow so-called neck and then, on their outer end, each having a head which is received in the undercut of the groove.

Advantageously, the guide rails may have a plastic profile, which is provided with the groove and which ensures a low-friction running of the boom in the guide rails. To stiffen the plastic profile and as mechanical protection, such a plastic profile in a metallic Rail be arranged, for example in a U-shaped metal profile.

The winch can be advantageously 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 winch in the manner of a console, so that it is located outside the movement space of the cargo basket.

The proposed temporary elevator is intended primarily as a goods lift on construction sites, so that in the context of the present proposal, the elevator is always referred to as goods lift. However, it can also be used as a temporary passenger elevator if the corresponding safety devices are provided, such as e.g. Railings or protective plates of the prescribed height. For example, workers can save time to reach the various floors of a shell.

The proposed temporary goods lift can also be built inside a building. For example, it may be provided to provide the individual floor slabs with flush arranged one above the other within a shell. Composite iron, which are anchored in the surrounding floor slab, for example, bent downwards in the region of the recesses, so that the recess is freely passable. The temporary goods lift can now be erected, with its tower extending through these stacked recesses, for example, over part of the building height, or over the entire height, or even up to beyond the building height upwards. If the goods lift has been disassembled after its use, the composite iron can be bent back into the horizontal, the recesses are then shrouded and poured with concrete, so that a monolithic, continuous floor ceiling without the previously existing recess is created.

The proposed elevator, which was previously intended primarily as a freight elevator, can be technically expanded or improved, so that it can also be used for passenger transport and thereby has the highest possible degree of safety. For this purpose, it is proposed to provide a fall protection.

The present proposal uses the construction of the tower of columns and cross bars: The fall protection has a spring-loaded locking latch, which is held against the spring action in a driving position in which it allows the mobility of the cargo basket of the elevator. The cargo basket moves within a clearance gauge in the tower. For example, if the rope breaks, on which hangs the cargo basket, eliminates the effect with which the locking bar is held by the rope against the spring action in its driving position. Spring-loaded, the locking bolt is now moved from its driving position into a blocking position, in which the locking bolt projects beyond the clearance profile to the outside.

Although the cargo basket can now fall downwards over a certain distance, it is collected at the next crossbars, since the locking bar comes into abutment against these crossbars. The drop height of the goods lift is thus limited due to the construction of the tower, where obstacles for the locking bar limit the clearance space. In the simplest case, this, as already mentioned, the crossbar used, so that it requires no additional elements in the construction of the elevator, which would be provided specifically as stops for the locking bolt.

For example, if the tower's vertical columns are composed of individual posts and in the terminal area two support parts is always provided a cross bar, so determines the length of the support members and thus, so to speak, the floor height of the tower the distance in which the individual crossbar are arranged and thus the maximum drop height of the cargo basket. On the basis of this maximum fall height and the maximum gross weight of the cargo cage including its load, the construction of both the crossbar and the locking bar can be calculated in such a way that reliably the cargo basket can be intercepted by this locking bar after this maximum fall height and another case of the cargo basket is thus prevented downwards.

The locking bolt, for example, be pivotally mounted or be movable in other ways between its driving and locking position. Advantageously, it can be provided that the locking bolt is designed as part of a telescopic linkage and, accordingly, is linearly movable. In this way, not only a fast mobility and thus a very short reaction time of the locking bar is ensured, but also a minimum clearance for the movement of the locking bar required, compared to, for example, a pivoting movement, so that due to this minimum required space for movement in addition to the fast mobility There is also the advantage that this movement can be carried out with a high degree of safety, since the probability that interfering elements can protrude into this movement space is correspondingly reduced on account of the small movement space.

Advantageously may be provided in such a telescopic design, that 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 which receives the locking bar, so that in its driving position of the locking bolt at least partially and possibly completely dips into this tube. By this arrangement, the tube causes excellent protection for the locking bolt, for example, against contamination, which could otherwise affect the free movement of the locking bolt in use. In addition, the tube allows safe guidance and a secure hold for the locking bolt when it is in its locked position, the tube in turn can be reliably attached to the cargo basket of the elevator, for example, can be welded to other components of the cargo basket.

Advantageously, it can be provided that the rope does not engage directly on the locking bolt, but rather is firmly connected to the receiving fitting of the cargo basket. Rather, a tension element extends from the rope to the locking bolt, so that is held by means of this tension element due to the tightly held rope of the locking bolt in its driving position. Due to the weight of the cargo basket, the rope is tightened and accordingly held the locking bar by means of the tension element against the action of the spring in its driving position. It is provided that the tension element connects at a distance from the connection fitting of the cargo basket to the rope. Should the rope break, so the rope is accordingly no longer kept taut between the connection fitting and the point where the tension element connects to the rope and the tension element can accordingly approximate under deformation of the rope to the connection fitting of the cargo basket, so that accordingly the locking bolt a greater mobility is mediated and then this spring force assisted from its driving position is moved to the blocking position.

It can be advantageously provided that the tension element is designed as a safety rope. Instead of using a lever arrangement or similar rigid elements can be created by means of a rope, a particularly space-saving, easy and inexpensive way to operate the locking bar. The fact that this rope is designated as safety rope, it is also expressed that this rope as a tension element serving rope can be configured differently than the rope, which runs from the winch to the cargo basket and is used for the up and down movement of the cargo basket. The safety rope can be dimensioned, for example, weaker, because on the one hand it does not absorb the entire load of the goods basket, and on the other hand is a self-locking system: Should the safety rope fail and tear, the locking bolt is no longer held against the spring force in its driving position, but automatically spent by the spring force to the outside in its locked position, so that the cargo basket of the elevator occupies a safe state in this way.

Advantageously, it can be provided that the elevator has not only one but several locking bolts, that is, at least two, wherein it is preferably provided that two locking bolts are arranged opposite one another. In this way, tilting moments are avoided when the cargo basket moves down and the two locking bars simultaneously and opposite each other against corresponding obstacles such. B. strike the mentioned cross bar of the tower. The avoidance of such tilting forces prevents the cargo basket from entering an inclined position, which is beneficial for the cargo carried in the cargo basket, possibly persons, but also protects the cargo cage itself and the tower against damage, which otherwise results from a tilting of the cargo cage when braking, when the locking latch on their attacks, could be caused.

Fig. 1

eine Ansicht von oben auf die Plattform und den Lastenkorb eines als temporärer Lastenaufzug ausgestalteten Aufzugs,

Fig. 2

eine Seitenansicht, teilweise geschnitten, auf den Aufzug von Fig.1,

Fig. 3

einen Ausschnitt aus Fig. 2 in einem größeren Maßstab,

Fig. 4

den oberen Abschluss des Aufzugs während der Montage und nach Fertigstellung,

Fig. 5

eine vereinfachte und teilweise weggebrochene Seitenansicht auf einen als Personenaufzug ausgestalteten Aufzug, der mit einer Absturzsicherung versehen ist,

Fig. 6

in gegenüber Fig. 5 vergrößertem Maßstab den Bereich der Absturzsicherung, und

Fig. 7

in gegenüber Fig. 6 wiederum vergrößertem Maßstab eine schematische Ansicht, teilweise geschnitten, auf die Absturzsicherung im Bereich eines Sperrriegels.

Embodiments of the invention are explained in more detail below with reference to the purely schematic representations. It shows

Fig. 1

a view from above of the platform and the cargo basket of a lift designed as a temporary freight elevator,

Fig. 2

a side view, partially cut, on the elevator of Fig.1 .

Fig. 3

a section from Fig. 2 on a larger scale,

Fig. 4

the upper end of the lift during assembly and after completion,

Fig. 5

a simplified and partially broken side view of a designed as a lift elevator, which is provided with a fall protection,

Fig. 6

in opposite Fig. 5 enlarged scale the field of fall protection, and

Fig. 7

in opposite Fig. 6 again enlarged scale a schematic view, partially cut, on the fall protection in the range of a locking bolt.

In the drawings, 1 is a total of a temporary elevator marked, 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 a substantially square frame and 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 plugged into each other at separation points 5, so that there is a rectangular frame, which is designed square in the illustrated embodiment.

The tubes 6 consist of square steel tubes with an outer edge length of 60 mm and a wall thickness of 2 mm. In the area of the separation points 5, the tubes 6 are connected to each other by inner tubes 7, which are also configured 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 be. In favor of a faster work progress, however, it is provided that they are permanently mounted in one of the two frame parts 3 and 4, and that they are inserted only in the respective other frame part 4 or 3 in the local pipe 6 and secured by a screw, the extends transversely through the respective tube 6 and the inner tube 7.

In the area of the four corners of the platform 2 each foot plates 8 are arranged, with which the platform 2 is supported on the ground. For this purpose, a leveling screw 9 is provided in each foot plate 8, so that by means of the leveling screws 9, the entire platform 2 can be aligned horizontally. Fig. 2 shows that the leveling screws 9 are each provided at its lower end with a bottom plate 10.

The tubes 6 extend beyond the foot plates 8 to the outside, where out Fig. 2 allow visible rollers 11 a mobility of the platform 2 before the platform 2 is set up and leveled by means of the leveling screws 9.

Fig. 1 shows that in the region of the four corners of the platform 2 each have an upright support 12 is arranged. Fig. 2 shows that each support 12 is formed of a plurality of superposed support members 14. Each support member 14 is formed as the frame of the platform 2 of metallic tubes 6. In addition to each such tube 6 extends a guide rail 15, which has a groove 16 which extends over the entire length of the guide rail 15 and is provided with an undercut.

The 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. Regardless of whether the tubes 6, which are used on the one hand for the platform 2 and on the other hand for the supports 12, are designed differently or not, they are for the sake of simplicity marked with the same reference numeral 6 in the present description. For example, it may be provided that the wall thickness of the tubes used for the supports 12 6 with 3 mm is greater than the wall thickness of 2 mm of the tubes used for the platform 2 6. In adaptation to it, the inner tubes 7 used in each case for connection are designed differently , Accordingly, in the present description, the inner tubes 7 are always marked with the same reference numeral 7, regardless of whether they are designed differently or not.

Between the supports 12, ie within the area surrounded by the four supports 12, a cargo basket 17 is arranged. This has a U-shaped, demountable mounting bracket 18, which is formed from a plurality of tubes 6 and inner tubes 7 and in the upper region reinforcing tabs 39 has. The upper half of the support bracket 18 is connected by a plug connection with inner tubes 7 and screws 25 with the lower half of the support bracket 18, in particular with reference to FIG Fig. 3 is apparent. Furthermore, the cargo basket 17 has a square bottom, and in the region of its four corners each have a boom 19. Each boom 19 is provided with a spherical head 20 which extends into the groove 16 of a guide rail 15. The undercut of the groove 16 receives the head 20 of the boom 19.

In Fig. 1 Furthermore, an electric motor-driven cable winch 21 can be seen, which contains a cable drum with the rope wound thereon and also an electric drive motor. To switch on and off and to select the direction of rotation of the drive motor, a switch is provided directly to the winch 21, which advantageously also allows a wired or wireless remote control this operation of the winch 21.

Fig. 3 shows that the winch 21 is not directly attached to the platform 2, but rather on a support frame 22. Inclined supports 32 support two braces 33, which are interconnected by a support tube 34 and an angle section 35. The angle profile 35 is fixed to two adjacent supports 12, and the lower ends of the diagonal supports 32 are attached to the platform 2, these fasteners are always realized in the form of fittings, so that the entire support frame 22, including the winch 21 handled as a compact assembly can be.

Out Fig. 2 It can be seen that the four supports 12 extend upwardly from the lying platform 2 and form a tower 23, the height of which is determined by the number of superimposed support members 14. Also, the tubes 6 of the support members 14 are interconnected by inner tubes 7, wherein there, where each two support members 14 adjacent to each other, a cross bar 24 extends. In cross-section, such a cross bar 24 is configured as an L-profile with an upper, lying profile section 36 and an angled therefrom, downwardly projecting profile section 37, which is extended at its two ends in each case to a tab 38. The tabs 38 each extend partially over the two adjacent tubes 6. Two screws 25 extend through each tab 38, with the lower screw 25 passing through the lower tube 6 and the upper screw 25 through the upper tube 6, so that these Screw 25 simultaneously represent the safety fitting, which extend through the outer tubes 6 and the inner tube 7.

On top of the tower 23, a deflection fitting 26 is provided which guides a cable 27 from the cable drum 21 to the mounting bracket 18 of the load cage 17. In this case, this deflection fitting 26 has a center bar 28 which is provided with tabs, 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 rope 27 extends from the winch 21 upwards. From this first outer roller 29, the cable 27 is deflected in the horizontal and extends above the center bar 28 to a second pulley, which is referred to as inner roller 30 and the rope over the center of the tower cross section leads down so that the rope end over the center the goods basket 17 connects to the mounting bracket 18.

The construction of the cargo basket 17 is off Fig. 3 to be more precise, a framework consisting of several tubes 6 and basket walls 31, which serve as securing means for securing material transported in the cargo basket 17 from falling down, is shown. These basket walls 31 may be configured as metal plates, for example as so-called tear sheets. They are movable in such a way that they can be arranged either lying or upright. For example, they may be loosely plugged into corresponding brackets of the load cage 17 from above, or they may be hingedly mounted on the frame of the cargo basket 17 via hinges.

In the illustrated embodiment, two opposite basket walls 31 are designed to be movable by being hinged to the bottom of the cargo basket 17. In Fig. 3 falls the view of such a movable basket wall 31. In its flat orientation, the two movable basket walls 31 serve as running floors, for example, on the one hand to spend material from the building plot on the floor of the cargo basket 17, and later, when the cargo basket 17 has been raised is to bring the material on the other hand from the cargo basket 17 on a floor ceiling of a building can. 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 securing position by simple sliding or pivoting latch on the provided by tubes 6 scaffold of the cargo basket 17 are provided.

Below its bottom, the load basket 17 floor profiles 40, in the form of metallic tubes 6, wherein cantilevers in the form of inner tubes 7 can be inserted into the bottom profiles 40. These arms extend outwardly so far that they protrude beyond the cross section of the tower 23. If the booms are not mounted, the cargo basket 17 can be moved up and down within the tower 23 and lowered so that it rests with its bottom profiles 40 within the frame formed by the platform 2 on the ground. However, if the cargo cage 17 is raised so far that the floor profiles 40 are located above the platform 2 or within the tower 23 above crossbars 24, so the boom can be inserted into the bottom profiles 40 and the cargo basket 17 then lowered so far that Hang up the boom on the platform 2 and on the crossbar 24.

Fig. 4 below shows the top of the tower 23, as well as out Fig. 2 is apparent, but on a larger scale. The uppermost support members 14 are connected on two opposite sides by two cross bar 24 with each other. The two other, opposite sides, where there are no cross bar 24, are interconnected by two serving as a cross member tubes 6, which are connected on the one hand by means of inner tubes 7 with the uppermost support members 14, and on the other hand by means of screws 25 in the tabs 38 of the cross bar 24 are fixed to the uppermost support members 14. In the middle extends transversely to these two upper, horizontally disposed tubes 6 of the center bar 28, which carries the outer roller 29 and the inner roller 30.

In Fig. 4 At the top, a view is shown on the upper end of the tower 23, which is rotated 90 ° with respect to the lower view is. In this view, the two cross bar 24 and the center bar 28 are seen in cross-section, while the view of one of the two upper, lying tubes 6 falls. In the middle bar 28 and the two upper, serving as a cross member, lying tubes 6 are components that will be used later to form the deflection fitting 26. At the middle bar 28 a winch 21 is held. It may be the same winch 21, which is mounted on the support frame 22 after completion of the tower 23. A quick installation of the elevator 1 is favored, however, if the winch 21 always remains firmly on the support frame 22, and if during the installation of the tower 23, a second winch 21 is used on the center bar 28, for example, not allowed for such a high load capacity In any case, during the installation of the tower 23, a rope runs from the cable winch 21 held on the center bar 28 directly down to the bottom of the elevator 17 and is struck there at an eyelet 42.

• Die beiden Rahmenteile 3 und 4 werden im Bereich der Trennstellen 5 ineinander gesteckt und miteinander verbunden. Diese Steckverbindungen werden durch Schrauben 25 gesichert, die sich quer durch die Rohre 6 und die Innenrohre 7 erstrecken. Die so geschaffene Plattform 2 ist auf den Laufrollen 11 verfahrbar und wird exakt zu dem gewünschten Aufstellungsort des Aufzugs 1 verfahren. An diesem Aufstellungsort wird die Plattform 2 dann mit Hilfe der Nivellierschrauben 9 exakt waagerecht ausgerichtet. Dabei wird die Plattform 2 so weit angehoben, dass die Laufrollen 11 entlastet sind.

While the drawings show the assembled temporary elevator 1, it is assembled according to the following description:

• The two frame parts 3 and 4 are inserted into each other in the region of the separation points 5 and connected to each other. These connectors are secured by screws 25 which extend transversely through the tubes 6 and the inner tubes 7. The thus created platform 2 is movable on the rollers 11 and is moved exactly to the desired site of the elevator 1. At this site, the platform 2 is then aligned exactly horizontally by means of the leveling screws 9. The platform 2 is raised so far that the rollers 11 are relieved.

The cargo basket 17 is placed in the middle of the platform 2. The cargo basket 17 is not finally mounted at this time by the upper half of the support bracket 18 is not yet connected by means of the aforementioned connectors with the lower half.

In the four corners of the platform 2 there are four upright pipe sockets 41 for creating a plug connection with the above-described plug-in system, these pipe sockets 41 are an integral part of the platform 2 and are welded, for example, with the tubes 6 of the two frame parts 3 and 4. The pipe stubs 41 can be configured either as an inner tube 7 or as a tube 6. In the illustrated embodiment, they are each configured as a short tube 6. Accordingly, all the support parts 14 at their lower ends inner tubes 7, with which they are inserted into the respectively underlying tubes or in the pipe socket 41. Alternatively it can be provided that the inner tubes 7 are present as separate components and, for example, first in the respective lower tube 6 or pipe socket 41 are fastened before a tube 6 is then attached from above to the upstanding projection of the inner tube 7.

When mounting the first, lower support members 14 which are located on these support members 14 guide rails 15 are threaded onto the heads 20 of the boom 19 of the cargo basket 17. The connections between the lower ends of the lower support members 14 and the pipe socket 41 are now secured with screws 25.

On the upper ends of the lower support members 14 four further support members 14 are mounted and then bolted to the crossbar 24. Screws 25 extend through the tabs 38, the tubes 6 and the inner tubes 7, so that on the one hand the superimposed adjacent support members 14 one and the same support 12 are connected together and also the cross bar 24 is attached to the two adjacent columns 12. The cross bar 24 results in a stable composite. The tubes 6 of the support members 14 have in the illustrated embodiment, a length of 150 cm, so that the tower 23 can be brought in several floors to the desired height and each floor has a height of 150 cm. After mounting the first, lower support members 14 whose upper ends are located in a readily achievable working height, so that the next higher support members 14 and the cross bar 24 can be easily mounted from the ground.

For mounting the next floors of the cargo basket 17 is gradually raised by one floor, so that it can be used as a work platform for mounting the next floor. Characterized in that the mounting bracket 18 is not fully assembled, the upper half is not hindering in the construction of the tower 23 in the way. In order to use the cargo basket 17 in this way for the construction of the tower 23, the winch 21 is installed on the center bar 28 and the cable 27 is connected to the eyelet 42 at the bottom of the cargo basket 17. Now the cargo basket 17 can be pulled up and used as a work platform. For this purpose, the cargo basket 17 is raised so far that its bottom profiles 40 are located above crossbars 24. Subsequently, the boom are inserted into the bottom profiles 40 and the cargo basket 17 is lowered again, so that the arms put on the crossbar 24. With the procedure described, the tower can be built 23 floor by floor up to the desired tower height.

The support frame 22 is fixed to the platform 2 and the lower support members 14 by means of screws 25.

When the desired number of floors of the tower 23 has been mounted and the tower 23 has reached its desired height, the support bracket 18 and the deflection fitting 26 are completed. In order to form the deflection fitting 26, the winch 21 is removed from the center bar 28 and the inner roller 30 is attached to the same, now freed, fastening points of the middle bar 28. In addition, the outer roller 29 is mounted on the center bar 28. If the same winch 21 is to be used first for the assembly of the tower 23 and later for the operation of the elevator 1, this will now be mounted on the support frame 22.

Subsequently, the rope 27 is guided by the winch 21, which is located on the support frame 22, via the outer roller 29 and the inner roller 30 to the cargo basket 17 and struck there. In the illustrated embodiment, the mounting bracket 18 is configured so resilient that the cable 27 is posted on the support bracket 18. As a result, in the cargo basket 17, the space below the rope 27 can be used freely, without the rope 27 to the eyelet 42, ie to the bottom of the cargo basket 17, runs. However, if either the eyelet 42 is to be used for striking the rope 27, the cable 27 can pass through a guide eye on the support bracket 18 to stabilize the cargo basket 17 against unwanted pendulum movements.

Notwithstanding the illustrated embodiment can be provided not to connect the two frame parts 3 and 4 directly to each other, but to mount at the separation points 5 intermediate elements in the form of tubes 6. In this way, the platform 2 no longer 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.

Also, the cargo basket 17 has a scaffold 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 the platform 2 or the tower 23, although the components can be dimensioned differently, for example, the tubes 6 for the cargo basket 17 may have smaller cross-sectional dimensions than for the platform 2 or the tower 23. Due to the use of the plug-in system, the dimensions of the cargo basket 17 can be changed by using appropriate intermediate elements, in adaptation to the dimensions of the platform 2.

The two frame parts 3 and 4 and the support frame 22 with the possibly always remaining there winch 21 represent the largest individual components of the kit, from which the elevator 1 is constructed. The platform 2, the tower 23 and the cargo basket 17 can be disassembled into several small elements, in particular into a bundle of tubes and crossbars, whereby a space-saving storage and space-saving transport of the entire elevator 1 is possible in the disassembled state. A practical embodiment causes, for example, for a lift with 12 meters height dimensions of the entire kit in the order of 1.5 mx 1.0 mx 0.6 m, so that the total space requirement of such a kit is less than 1m ³ .

The proposed elevator 1, except for the engine and the traction cable, so the components of the one or two used winches 21, virtually no need for maintenance and is therefore inexpensive to maintain.

The cargo basket 17 can also be used to form together with the platform 2 a mobile scaffold. In this case, the leveling screws 9 are screwed into the height, so that the platform 2 is movable on its rollers 11, which are preferably designed as heavy duty rollers. When used as a mobile scaffolding preferably the upper half of the support bracket 18 is not mounted so as not to be in the way, and the boom 19 can be placed on the tubes 6 of the frame parts 3 and 4 of the platform 2, so that the bottom profiles 40th of the cargo basket 17 are objected to from the ground and raised.

In Fig. 5 is denoted by a total of 1 elevator, which can serve as a freight lift in principle, but according to the proposal is also developed such that it can be used for passenger transport. On the floor of the elevator 1 is with a platform 2, and from the platform 2 from a tower 23 extends upward. The tower 23 is formed by four square, each perpendicular supports 12, which are interconnected at regular intervals by transverse bar 24, so that a square clearance within this tower 23 results, in which a cargo basket 17 move up and down can be. For this purpose, a winch 21 is provided which is arranged outside the clearance of the tower 23 and from which a rope 27 extends to the upper end of the tower 23. From there, the cable 27 extends around an outer roller 29 and an inner roller 30, wherein the cable 27 extends from the inner roller 30 down to a mounting bracket 18 of the cargo basket 17th

The four supports 12 each consist of a plurality of superposed support members 14. Where two support members 14 adjoin each other, a cross bar 24 extends from a support 12 to an adjacent support 12, so that through this plurality of cross bar 24 more floors of the tower 23rd arise and accordingly the height of the tower 23 in the construction of the temporary elevator 1 to the respective circumstances, eg. As a construction site, can be adjusted.

How out Fig. 6 it can be seen more clearly, a fall protection is arranged on the mounting bracket 18 of the cargo basket 17. This fall protection comprises a safety cable 103, which connects at a distance above the support bracket 18 to the cable 27 and from there to both sides to a respective deflection roller 104 runs. From the pulleys 104, the two extend Ends of the safety cable 103 each in a telescopic arrangement up to a locking bar 105 of in Fig. 6 is shown in dashed lines in its blocking position in which it projects beyond the cross-sectional contour of the tower 23 also outward, wherein the mobility of the two locking bolt 105 is indicated by outwardly facing horizontal arrows. Furthermore, in Fig. 6 within the mentioned telescopic arrangement in each case a spring 106 indicated, which is designed as a compression spring in the form of a helical spring and endeavors to urge the respectively associated locking bolt 105 to the outside in its blocking position.

In Fig. 6 is also apparent that the cable 27 connects exactly in the middle of the bracket 18 to this support bracket 18, said middle region is referred to as a connection fitting 107 of the cargo basket 17.

Furthermore, in Fig. 6 It can be seen that where two superimposed support members 14 adjoin one another, the crossbars 24 extend, which are each fastened with screws 25 to the supports 12, so that by means of these screws 25, both the adjacent support members 14 and the cross bar 24 connected become. The crossbars 24 are designed as L-shaped angle profiles made of steel, while the support members 14 are designed as steel hollow sections of a steel tube with a square cross-section.

Fig. 7 shows the right half of in Fig. 6 shown fall protection. It can be seen that the safety cable 103 is formed of two separate sections, each connecting to a fitting 115 which is fixed to the cable 27.

Furthermore, it can be seen that the telescopic arrangement has an outer tube 108, in which the likewise designed as a tube locking bar 105 is guided longitudinally movable. In addition, a guide tube 109 extends axially through the tube 108 and the locking bar 105. This guide tube 109 serves to guide the safety cable 103. The compression spring 106 configured as a helical spring runs around this guide tube 109 and is supported against two tubesheets 110, which are respectively provided on the end of the tube 108 and the locking bar 105 facing the deflection roller 104. Another tube plate 110 is disposed 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 plate 110 remains up to the free end of the locking bolt 105. Within this supernatant, the end of the safety cable 103 is received, this end with a nipple, clamping fitting o. The like. Is secured. The free end of this locking bar 105 is covered by a cap 111, which consists of plastic and is held by a press fit in the tube of the locking bolt 105.

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 mounting bracket 18 and the connection 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, compressive forces on the local tube sheet 110 transmits, so that the locking bar 105 against the action of the spring 106 as deeply as possible drawn into the tube 108.

Should the pull cable 27 tear, the portion of the cable 27 which is located between the connection fitting 107 and the fitting 115 of the safety arrangement can become slack. Even if this portion of the rope 27 ruptures or if the safety cable 103 breaks, the consequence is in any case 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 gets beyond the clearance of the tower 23 out to the outside, so that in a lowering movement of the cargo basket 17th the two locking bolts 105 from above on the next lower crossbar 24 meet and thereby further downward movement of the cargo basket 17 is prevented.

Notwithstanding the illustrated embodiment can be provided that the safety cable 103 extends as a single piece of rope from a locking bar 105 on the fitting 115 to the opposite locking bar 105, especially if the safety cable 103 is not clamped in the region of the fitting 115, but only is guided by the fitting 115, it can be ensured that both locking bolt 105 is triggered and moved into its blocking position when the safety cable 103 should tear at any point between its two ends. Reference numerals: 1 elevator 2 platform 3 frame part 4 frame part 5 separation point 6 Tube 7 inner tube 8th footplate 9 Leveling 10 baseplate 11 castors 12 support 14 support part 15 guide rail 16 groove 17 Lastkorb 18 support bracket 19 boom 20 head 21 winch 22 supporting frame 23 tower 24 crossbars 25 screw 26 through anchor 27 rope 28 product blocks 29 outer roller 30 Inside roll 31 backboard 32 diagonal supports 33 console pursuit 34 support tube 35 angle section 36 lying profile section 37 downwardly projecting profile section 38 flap 39 reinforcing tab 40 soil profile 41 pipe socket 42 eyelet 103 safety rope 104 idler pulley 105 safety catch 106 compression spring 107 connection fitting 108 pipe 109 guide tube 110 tube sheet 111 cap 115 fitting 116 Seilklemme

Claims (17)

Kit for a temporary elevator (1), with A platform (2) designed as a frame, wherein the platform (2) has at least two frame parts (3, 4) detachably interconnected, A plurality of supports (12) for creating a tower (23), each support (12) being constructed of plug-in support parts (14) arranged one above the other,
and the support parts (14) are provided with guide rails (15) which are designed as profiled strips with a longitudinal groove (16), A motor-driven winch (21), A cargo basket (17),
which is vertically movable between the supports (12) of the tower (23),
a connection fitting (107) which can be connected to the cable (27) of the cable winch (21),
and cantilevers (19) which are insertable into the grooves (16) of the guide rails (15), such that the cargo basket (17) is guided in the horizontal direction in the guide rails (15) and can be moved in the vertical direction, and wherein the frame parts (3, 4) of the platform (2) and the support parts (14) of the tower (23) are designed as metallic tubes (6) and are selectively connectable or detachable from each other by means of a plug connection. Kit according to claim 1,
characterized,
that the metallic tubes (6) are designed as square tubes
and at the junctions inner tubes (7) are arranged, each partially extending into both adjoining tubes (6), while the cavity of the other Metallic tube (6) forms a receiving space for the protruding portion of the inner tube (7). Kit according to claim 1 or 2,
characterized,
that the metallic pipes (6) are secured in the region of their respective plug-in connection by a screw extending transversely through the nested pipes themselves (6, 7). Kit according to one of the preceding claims,
characterized,
that the platform (2) comprises a quadrangular frame and a jack screw (9) is arranged on at least one of the four corners,
which extends vertically and is provided at the lower end with a bottom plate (10), the ground contact surface is greater than the cross-sectional area of the shank of the leveling screw (9). Kit according to one of the preceding claims,
characterized,
that where adjacent support parts (14) of the tower (23) adjoin one another, a transverse bar (24) extends from a first to an adjacent second support (12) of the tower (23),
wherein the cross bar (24) is connected at both supports (12) in each case with the two adjoining support parts (14). Kit according to one of the preceding claims,
characterized,
that the cable winch (21) in the lower region of the lift (1) is arranged,
and a deflection fitting (26) is arranged at the top of the tower (23),
wherein the cable (27) from the winch (21) up to the deflection fitting (26) and from this to the cargo basket (17). Kit according to claim 6,
characterized,
that the deflector fitting (26) has a center bolt (28) which extends over the center of the tower cross section of time,
wherein a first, as outer roller (29) designated deflection roller which is to be arranged above the winch (21)
and a second, as inner roller (30) designated deflection roller which is centrally above the cargo basket (17) to be arranged. Kit according to claim 7,
characterized,
in that the inner roller (30) is detachably fastened to the middle bar (28), and that the kit has a winch (21) which can be mounted on the center bar (28). Kit according to claim 8,
characterized,
in that the inner roller (30) can be detachably fastened to the center bar (28) at specific mounting points, and that the winch (21) can be mounted on these mounting points. Kit according to one of the preceding claims, characterized
in that the guide rails (15) of the supports (12) have grooves (16) which have a cross-section with an undercut,
and that the boom (19) of the cargo basket (17) respectively a head (20) receivable in the undercut. Kit according to one of the preceding claims,
characterized,
that a guide rail (15) comprises a plastic profile which is provided with the groove (16). Kit according to one of the preceding claims,
characterized,
in that a cable winch (21) is mounted on a supporting frame (22) which can be screwed to the supports (12) and / or the platform (2). Kit according to one of the preceding claims,
characterized,
that the load basket (17) laterally arranged basket walls (31) extending from the bottom of the load basket (17) extend upright,
wherein at least one basket wall (31) are movable from its upright securing position into a horizontal walking position. Kit according to claim 13,
characterized,
that two opposite basket walls (31) are designed to be movable. Kit according to claim 13 or 14,
characterized,
that a movable basket wall (31) is pivotally mounted about a lying at its lower end, lying horizontally extending hinge axis. A temporary elevator (1) formed from a kit according to one of the preceding claims. Elevator (1) according to claim 16,
with a tower (23) having a plurality of supports (12) and transverse bars (24),
wherein the supports (12) and transverse bars (24) surround a clearance space of the tower (23),
and with a cargo basket (17) arranged between the supports (12) of the tower (23) and vertically movable by means of a rope (27) extending from a cable winch (21) to a connection fitting (107) of the cargo basket (17) within the clearance space profile is
characterized,
that a spring-loaded locking bolt (105) is arranged on the cargo basket (17),
which is movable between a driving position which the locking bolt (105) occupies within the clearance space, and a blocking position in which the locking bolt (105) projects beyond the clearance profile to the outside, and wherein the locking bolt (105) through the cable (27) held against the spring action in its driving position.

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