EP3551565A1 - Rail foot holder for fastening a rail of an elevator system - Google Patents
Rail foot holder for fastening a rail of an elevator systemInfo
- Publication number
- EP3551565A1 EP3551565A1 EP17828848.6A EP17828848A EP3551565A1 EP 3551565 A1 EP3551565 A1 EP 3551565A1 EP 17828848 A EP17828848 A EP 17828848A EP 3551565 A1 EP3551565 A1 EP 3551565A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding
- rail
- holding device
- rotation
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012791 sliding layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
- B66B7/024—Lateral supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/002—Mining-hoist operation installing or exchanging guide rails
Definitions
- the invention relates to a rail foot holder for fastening a rail of an elevator installation in an elevator shaft and to a method for fastening a rail of an elevator installation in an elevator shaft by means of preferably a plurality of such rail foot holders
- a fastening device for guide rails of elevators is known.
- the known fastening device allows a change of a biasing force of a rail bracket.
- Such a change or adjustment of the biasing force of the rail bracket is achieved by a serving as a support lining for the guide rail half-round profile can have different thicknesses. Accordingly, however, it is necessary that it is determined before assembly of the fastening device and thus usually before the installation of the elevator installation, which half-round profile is required and must be delivered as part of the fastening device.
- the elevator rails can be fastened directly or indirectly to a building wall.
- Such an elevator rail may for example serve as a guide rail for an elevator car or a counterweight of the elevator system.
- Such elevator rails usually extend over the entire route of the elevator, which can often correspond approximately to the height of the building.
- the elevator rails are here so strongly attached in the building that lateral executives can be safely absorbed.
- the building height can change over time. There are several reasons for this. For example, after its completion, a building may shrink as a result of dehydration of concrete and building settling. Changes in the building height can also be caused by changes in temperature and solar radiation.
- Changes in height of the building usually have an effect in uncompensated relative length changes to the metallic elevator rails.
- This means that the guide rails thus move in the elevator shaft opposite the building.
- the guide rails grow in relation to the building.
- the attachment points for a rail, in particular guide rail must be designed so that a length compensation is possible.
- a fastening of the rail which satisfies the respective requirements must also be ensured so that, for example, in the case of a guide rail, the executives can be accommodated.
- the object of the invention is to provide a rail foot holder, which serves for fastening a rail of an elevator installation in an elevator shaft, and a method for fastening a rail of an elevator installation in an elevator shaft by means of at least one rail foot holder, which are designed improved.
- this may be the object of the invention to provide such a Schienenfußhalter and such a method that allow improved mounting, in particular a simplified adjustment and assembly is made possible, wherein in the assembled state allows both a relative displacement of the rail along its extension as well as a movement or rotation is prevented transversely or about their extent.
- a rail foot holder which serves for fastening a rail in an elevator shaft, with a contact body, which can be arranged in the elevator shaft, and at least one holding device may be formed, wherein by the contact body a contact plane for a rail of the rail is predetermined, the holding device has a holding head, wherein for fixing the rail, a first side part of the rail foot between the holding head of the holding device and the abutment plane can be arranged, wherein when mounting the rail a holding measure between the holding head of the holding device and the abutment plane to compensate for tolerances of the first side part of the Rail foot changeable, wherein the holding head of the holding device for reducing the holding dimension in a rotational direction about an axis of rotation of the holding device is rotatable in a mounting position and wherein a planting plane facing side of the holding head of the holding device in to minimum a fastening region extending in the direction of rotation about the axis of rotation of the holding device, on which an at least indirect contact between the
- the rail is not part of the rail foot holder.
- the rail foot holder can also be manufactured and distributed independently of a rail or other components of an elevator installation.
- the rail foot holder is configured such that with respect to a particular arrangement of the rail an improved arrangement and / or mounting of the rail is made possible.
- an improved adjustment in relation to, for example, backlash-free fastening of the rail can take place.
- the material thickness of the rail foot can vary from rail section to rail section. If such rail sections are then joined together to form the rail, then a slightly different adjustment of the holding dimension may be required in each section. This adjustment can be made in a particularly simple way by an installer when the rail is mounted in the elevator shaft.
- a method for attaching a rail of an elevator installation in a lift shaft by means of at least one invention Schienenfußhalter be specified, the plant body is arranged stationarily in the elevator shaft, wherein a first side part of the rail between the holding head of the holding device and by the plant body predetermined contact plane is arranged, and wherein the holding head is rotated to reduce the holding dimension between the holding head of the holding device and the abutment plane about the axis of rotation of the holding device.
- first side part and second side part of the rail foot are here made to denote the two side parts of the rail without this should be done a definition of which the two side parts is referred to as the first or second side part.
- the rail foot can be designed modified so that the two side parts of Rail foot just in an interchangeable manner are referred to as the first and second side part. Constructively, this may correspond to a mirroring of the rail foot holder at a suitable construction level. In principle, however, mirror-symmetrical designs of the rail foot holder are also conceivable in this respect.
- holding device and further holding device or first and second holding device are also conceivable in this respect.
- a special feature of the proposed embodiment is that an adjustment of the holding head of the holding device is made possible to the generally tolerant dimensions of the rail foot without disassembly of the holding device, which is referred to as "setting without disassembly" in the context of this application.
- Fastening without disassembly "possible by an advancement or approach of the holding device to the rail is possible in a possible development, which can be realized for example by a suitable slot.
- an embodiment can be realized in an advantageous manner, in which both in terms of setting without disassembly and with respect to fixing without disassembly locking or fixing the holding head in the desired position by a single assembly step, which consists for example in tightening a screw allows is.
- Possible embodiments for setting without disassembly and fastening without disassembly are also explained below and with reference to the description of the figures in further detail.
- the holding head of the holding device for a serving to reduce the holding dimension setting in the direction of rotation about the axis of rotation of the holding device is rotatable in the fastening position. Further, it is advantageous that the holding head of the holding device is rotated in the direction of rotation about the axis of rotation of the holding device in the fixing position serving to reduce the holding dimension setting.
- a setting without disassembly is possible.
- fastening without disassembly is possible for fastening the rails or when fastening the rail.
- the holding head is rotatable about the axis of rotation in a fixed position opposite to the rotation direction in a fastening position at a serving to reduce the holding gauge setting, in particular when setting without disassembly, and that the plant level facing side of Holding head in a further in the other direction of rotation about the axis of rotation extending further attachment region on which an at least indirect contact between the holding head and the first side part of the rail is made possible with a slope against the further direction of rotation is configured.
- the fitter can reduce the holding gauge regardless of whether he sets to rotate the holding head in the direction of rotation or in the other, namely further, direction of rotation.
- the holding head can in this regard in its size and design, in particular on its side facing away from the plant side, are designed so that, for example, an advantageous gripping with a glove is possible.
- the holding device relative to the base body is adjustable so that a distance between the axis of rotation of the holding device and a further holding device, between which the rail is fastened, is changeable.
- the rail can be positioned with its rail foot between the two holding devices, then the holding device can be adjusted relative to the main body such that the distance between the axis of rotation of the holding device and the further holding device is reduced until the desired mounting position for the axis of rotation is reached, and then the holding head are rotated about the axis of rotation until the appropriate holding dimension is set.
- the contact body for this purpose has a slot in which a bolt of the holding device is guided. This embodiment then allows an adjustment of the holding device relative to the plant body.
- the holding head of the holding device has a side facing the contact body, which is acted upon for fixing the holding head relative to the contact body by means of a fastening means of the holding device against the contact body.
- a fastening means may comprise, for example, a screw bolt, which is fastened to the contact body, for example, by means of a nut and a washer.
- the bolt also serves as a bolt, which is guided for example in a slot of the contact body to an adjustment of the holding device to allow relative to the plant body.
- the end face of the holding head of the holding device facing the contact body is designed as a structured end face.
- the structured end face can support the function of a fixation, since the influence of dirt, liquids, such as oil, and the like is reduced.
- a combination of such measures is conceivable.
- grooves in particular grooves extending radially with respect to the axis of rotation, can also be combined with other structural elements on the end face in order to form a structured end face.
- the structured end face is preferably designed such that the end face of the holding head digs into the contact body during fixing or screwing. As a result, an unintentional rotation of the holding head in the mounted state is prevented.
- These grooves which run radially relative to the axis of rotation of the holding device and can serve to form the structured front side, fulfill this criterion.
- a further holding device is provided and that a further holding device or a rotation axis of the further holding device is arranged fixedly on the contact body.
- the holding device is adjustable relative to the contact body, that the axis of rotation of the holding device can be adjusted relative to the contact body. If a positioning of the further holding device relative to the rail is required, this can be achieved in an advantageous manner by an adjustment of the contact body relative to a fastening body.
- the further holding device is then first brought into the desired position in the elevator shaft. Then, the contact body can be fixed in its position, which is possible for example by a corresponding attachment to the mounting body. Subsequently, the holding device can be adjusted relative to the further holding device. In the last step, a holding head of the holding device and a holding head of the further holding device can then be adjusted.
- a further holding device which a holding head, wherein for fixing the rail, a second side part of the rail between the holding head of the further holding device and the plant level can be arranged, wherein when mounting the rail another holding measure between the holding head of the further holding device and the abutment plane to compensate for tolerances of the second side part of the rail foot is changeable, wherein the holding head of the further holding device is rotatable in a rotational direction of the further holding means in a fixing position serving to reduce the further holding gauge setting in a rotational direction and wherein a planting plane facing side of the holding head of the further holding device in at least one in the direction of rotation about the axis of rotation of the holding device extending mounting portion on which made possible at least indirect contact between the holding head of the further holding device and the second side part of the rail foot is light, designed with a slope opposite to the direction of rotation.
- This embodiment allows, for example, assembly steps, after which the rail foot is fixed on both sides at least substantially free of play.
- the holding dimension and the further holding dimension differ, if this is necessary in the respective application, in particular due to different tolerances on the rail foot.
- the holding head of the holding device or the holding head of the further holding device is configured on the side facing the contact surface in the at least one attachment region with a continuous slope in the direction of rotation or in the further direction of rotation. The slope undergoes no sudden change.
- This embodiment can thus relate to the holding head of the holding device and / or the holding head of the further holding device.
- this can relate to only one or only the single fastening region or, if two fastening regions are provided, to both fastening regions.
- a preferred embodiment of the not abruptly changing slope consists in a continuous gradient.
- different embodiments are conceivable.
- the pitch may be configured so that the holding dimension changes linearly with the angle of rotation when rotating in the direction of rotation or in the further direction of rotation.
- a fastening body is provided which can be fastened in a stationary manner in the elevator shaft, and that the contact body can be connected to the fastening body.
- the abutment body can be connected to the fastening body in a plurality of possible connection positions.
- discrete and / or continuous adjustment options can be realized. This then allows for the fixed attachment of the fastening body an advantageous adaptation of the position of the contact body to the predetermined position for fastening the rail target position.
- a cylinder jacket-shaped sliding surface is provided on the holding head or the further holding head, on which a contact between the first side part and the second side part of the rail foot and the holding head is made possible for guiding the rail foot when the rail is attached.
- a longitudinal compensation along the extension of the rail is required, which is thereby held by the Schienenfußhalter.
- the rail should remain movable along its extension relative to the rail holder. Specifically, it makes sense here that a buildup of mechanical stresses along the extension of a rail is avoided.
- an over the holding gauge or the other holding gauge realized substantially backlash-free, but virtually powerless attachment this is made possible by reducing a holding friction between the holding head and the rail.
- the uniform surface is formed on a friction-reduced coating of the holding head or the further holding head, which reduces the related static friction among others.
- an at least approximately hollow-cylindrical sliding ring is mounted on the sliding surface of the holding head or the further holding head. In this case, a contact between the first side part or the second side part of the rail foot and the sliding ring can then be made possible for guiding the rail foot.
- the respective holding dimension can be set accurately according to a local rail foot thickness.
- rail tolerances in particular tolerances on the side parts of the rail foot, can be absorbed.
- a lateral delivery For example, by means of a lateral elongated hole, in the plant body possible. Due to this lateral feed, an exact lateral guide for the rail can optionally be set in combination with a positionability of the abutment body in the elevator shaft. At occurring contact or contact surfaces, a lubricant, a sliding layer and / or (in the lateral direction) may be provided a sliding ring. As a result, in particular a delayed and temporally indeterminate occurring and then in a jerk resulting length compensation is avoided.
- Fig. 1 shows a Schienenfußhalter and a short piece of a rail in one
- FIG. 2 shows a holding head for a holding device of the one shown in FIG.
- Feet holder in a spatial representation Feet holder in a spatial representation.
- Fig. 3 shows the retaining head shown in Fig. 2 from the designated III
- FIG. 4 shows an excerpt, schematic representation of a contact body with a slot and a bolt of a holding device according to a possible embodiment of the rail base holder shown in FIG.
- Fig. 5 shows in several diagrams a possible sequence of an assembly in which the rail foot holder shown in Fig. 1 can be used for fastening the rail in an elevator shaft, to explain a method according to an embodiment of the invention and to explain the operation of the rail holder ,
- Fig. 6 shows the holding head shown in Fig. 2 according to another
- FIG. 7 shows an elevator installation in which at least one rail is connected to that in FIG. 1
- FIG. 8 shows the rail foot holder shown in FIG. 1 and the short piece of rail in an excerpt from the viewing direction indicated by VIII.
- 1 shows a rail foot holder 2 and a rail 3 for an elevator installation 1 (FIG. 7) in a three-dimensional representation according to an exemplary embodiment. To simplify the illustration here only a short piece of the rail 3 is shown.
- the rail foot holder 2 has a fastening body 4 which can be connected via fastening means 5, 6, in particular fastening dowels 5, 6, to a wall 7 of an elevator shaft 8 with a wall 9 (FIG. 7).
- the rail foot holder 2 has a contact body 10 which can be connected to the fastening body 4 in a suitable manner.
- connecting means 11, 12 are provided which allow a connection of the contact body 10 and the fastening body 4 with each other.
- Such connection means 11, 12 can be realized for example by screws, nuts and washers.
- several connection positions are possible in this case. This means that with already attached to the wall 9 mounting body 4 are still freedoms for the positioning of the contact body 10 in the elevator shaft 8.
- exemplary long slots 13, 14 in the mounting body 4 and slots 17, 18 are realized in the plant body 10 for the realization of multiple connection positions.
- a plurality of holes 15, 16 are realized in the contact body 10, wherein for simplicity of illustration, only the holes 15, 16 are marked.
- 4 holes may be additionally or alternatively provided on the mounting body.
- only elongated holes 17, 18 or only bores 15, 15 may be provided on the contact body 10.
- more than two elongated holes 13, 14, 17, 18 and / or a different number of bores 15, 16 may alternatively be provided on the fastening body 4 and / or the contact body 10.
- connection of the fastening body 4 with the contact body 10 in a plurality of connection positions are made possible.
- a discrete setting and / or a variable setting can be made possible.
- the installation body 10 mounted in this way in the elevator shaft 8 defines a contact plane 17, which in this exemplary embodiment is determined by an end face 17 'on the contact body 10.
- an additional layer, in particular a support may also be provided on the end face 17 'on which the actual abutment plane 17 is located.
- the rail 3 has a rail foot 20 with side parts 21, 22.
- the side part 21 is referred to as a first side part, while the side part 22 is then referred to as a second side part.
- the rail foot 20 also has an underside 23, which faces the front side 17 'of the contact body 10 and at least partially rests against the contact plane 17.
- the rail foot 20 has an upper side 27 of the rail foot 20, which faces away from its underside 23.
- the rail 3 has a rail head 24 on which webs 25, 26 are formed. Depending on the function of the rail 3, the webs 25, 26 can serve, for example, as braking and / or guideways 25, 26.
- the rail foot holder 2 has holding devices 31, 32.
- the holding device 31 associated with the first side part 21 of the rail foot 20 is referred to as the first holding device
- the holding device 32 assigned to the second side part 22 is referred to as the second holding device 32.
- the first holding device 31 serves in the mounted state for holding the first side part 21 against the abutment plane 17.
- the second holding device 32 serves in the mounted state for holding the second side part 22 against the abutment plane 17.
- the first holding device 31 has a holding head 33.
- the second holding device 32 has a holding head 34.
- a rotation axis 35 is defined.
- a rotation axis 36 is defined.
- the holding head 33 is in principle rotatable about the axis of rotation 35.
- the holding head 33 can be fixed in a rotational position resulting from the assembly.
- the holding head 34 of the second holding device 32 is in principle rotatable and fixable via a fastening means 38 of the second holding device 32 in a rotational position resulting from the assembly.
- a first direction 41, a second direction 42 and a third direction 43 which are each perpendicular oriented to each other, reference is made.
- the first direction 41 is oriented perpendicular to the abutment plane 17.
- the second direction 42 and the third direction 43 are oriented parallel to the abutment plane 17.
- the second direction 42 is oriented perpendicular to the tracks 25, 26 of the rail head 24, while the direction 43 is oriented along an extension 44 of the rail 3 through the elevator shaft 8, when the rail 3 after assembly in the elevator shaft 8 on the rail 2 is mounted in the elevator shaft.
- the axis of rotation 36 of the second holding device 32 is stationary with respect to the contact body 10.
- the axis of rotation 35 of the first holding device 31 is (only) in the second direction 42 displaced when the fastening means 37 is released.
- the holding head 33 or the axis of rotation 35 of the first holding device 31 is initially opposite the illustrated mounting position in a starting position in which the holding head 33 is opposite the second direction 42 at a greater distance from the holding head 34 of the second holding device 32.
- the distance between the holding heads 33, 34 is in this case in the starting position so large that the rail 20 of the rail 3 in the first direction 41 between the holding heads 33, 34 can be inserted.
- the rail 3 can be moved with its rail base 20 in the second direction 42 and suspended in the holding head 34 of the second holding device 32.
- the holding head 34 or the axis of rotation 36 of the second holding device 32 can also be adjusted counter to the second holding device 42, so that the rail foot 20 only in the first direction 41 must be applied to the contact plane 17.
- the holding head 33 of the first holding device 31 is adjusted in the second direction 42.
- the first side part 21 is then suspended between the holding head 33 of the first holding device 31 and the abutment plane 17.
- the second side part 22 of the rail base 20 is suspended between the holding head of the second holding device 32 and the abutment level 17.
- the rail 3 is in and against the first direction 41 clearance, but held as powerless. Further, the rail 3 is in and opposite to the second Direction 42 free of play, but held as powerless. With respect to the third direction 43, however, there is a degree of freedom. Thereby, the rail 3 can be moved along its extension 44, for example to allow a relative length compensation with respect to the wall 9 (FIG. 7).
- FIG. 2 shows the holding head 33 for the holding device 31 of the rail foot holder 2 shown in FIG. 1 in a three-dimensional representation.
- the holding head 34 may in this case be designed in accordance with the holding head 33.
- the holding head 33 has a hollow cylindrical spacer 47 and a plate-shaped holding part 48.
- the attachment regions 49, 50 are in this case formed on a side 51 of the holding part 48 of the holding head 33, which faces the abutment plane 17 in the mounted state. In a modified embodiment, only one attachment region 49 can be provided.
- the fastening region 49 extends in a direction of rotation 52 about the axis of rotation 35.
- the further fastening region 50 extends in a further direction of rotation 53 about the axis of rotation 35.
- the direction of rotation 52 and the further direction of rotation 53 are oriented relative to one another.
- the plate-shaped holding part 48 In a region 54, where meet the two mounting portions 49, 50, the plate-shaped holding part 48 has a minimum thickness d.
- the plate-shaped holding part 48 In a region 55, which is opposite to the region 54 with respect to the axis of rotation 35 and in which the attachment regions 49, 50 also meet, the plate-shaped holding part 48 has its maximum thickness D.
- the maximum thickness D results here from the minimum thickness d plus one Slope s. The slope s thus results in a rotation in the direction of rotation 52 and the further direction of rotation 53 of 180 °.
- the holding head 33 is designed starting from the region 54 against the direction of rotation 52 or counter to the further direction of rotation 53 with a pitch s.
- the holding head 33 is initially oriented at least approximately with respect to its axis of rotation 35 such that the first side part 21 is located between the region 54 of the side 51 of the holding head 33 and the abutment plane 17. Subsequently, the fitter can rotate the holding head 33 about its axis of rotation 35, whereby a holding dimension H is reduced, as is also described with reference to FIG. 5.
- the Installer set to no direction of rotation. That is, he can selectively achieve in the direction of rotation 52 or in the further direction of rotation 53 attachment.
- the holding head 33 has an end face 56 facing the abutment plane 17 or the end face 17 'of the abutment body 10.
- the end face 56 of the holding head 33 provided on the spacer 47 is acted upon against the contact body 10 in such a way that the holding head 33 is fixed against rotation about the axis of rotation 35 and, in this embodiment, against displacement along the second direction 42.
- the fastening force is applied via the fastening means 37, 38 (FIG. 1).
- the end face 56 is designed as a structured end face 56.
- 33 grooves 57 are formed in this regard on the end face 56 of the holding head, of which only the groove 57 is for the sake of simplicity of illustration.
- the groove 57 extends in this embodiment radially with respect to the axis of rotation 35 of the holding device 31.
- the end face 56 is otherwise configured so that the axis of rotation 35 is oriented perpendicular to the end face 56.
- other structural elements, in particular depressions can also be configured in the end face 56.
- the grooves 57 are here a possible embodiment variant for recesses 57.
- a structuring of the end face 56 has the advantage that dirt, liquids, such as oil, and the like have a reduced influence on the fixation of the holding head 33 on the contact body 10.
- the recesses 57, that the end face 56 digs when tightening the fasteners 37, 38 with the contact surface 17. The holding head 33 is thereby secured against rotation.
- FIG. 3 shows the retaining head 33 shown in FIG. 2 from the viewing direction designated III.
- the plate-shaped holding part 48 has an end face 58 facing away from the abutment plane 17 or the end face 17 'of the abutment body 10.
- From the front side 58 from a receptacle 59 extends for a head 60 of the fastener 37.
- the receptacle 59 is not rotationally symmetrical with respect to the axis of rotation 35 configured.
- the also not rotationally symmetrical head 60 fits into the receptacle 59, that in the mounted state, the holding head 33 and the fastening means 37 are rotationally fixed against each other. The same applies to a head 61 of the fastening means 38 and the holding head 34.
- a depth of the receptacle 59th is smaller than a corresponding height of the head 61, 60 of the fastener 37.
- the holding head 33 has an axial through-bore 62, through which a bolt (bolt portion) 63 (FIG. 4) of the fastening means 37 extends in the assembled state.
- Fig. 4 shows a partial, schematic representation of the contact body 10 and the bolt 63 of the first holding means 31 in an excerpted, cut view corresponding to a possible embodiment of the Schienenfußhalters shown in Fig. 1 2.
- the bolt 63 or bolt portion 63 in this case in the second Direction 42 movably guided in a slot 64 of the contact body 10.
- a broken line 65 illustrates a possible target position for a stop of the bolt 63 on the first side part 21 of the rail base 20 in the mounted state. Since the interrupted line 65 intersects through the slot 64, a certain tolerance compensation with respect to the design of the rail foot 20 is made possible.
- Fig. 5 shows in several diagrams a possible sequence of an assembly in which the rail foot holder 2 shown in Fig. 1 can be used for securing the rail 3 in a hoistway to explain a method according to an embodiment of the invention and to explain the operation of the rail foot holder 2.
- the individual diagrams here show steps S1, S2, S3, S4, which can be carried out during such an assembly.
- step S1 first, the holding device 31 is adjusted to the first side part 21 of the rail foot 20.
- the line 65 shown in Fig. 4, shown in broken lines is illustrated in its position, wherein the relevant stopper 66 is now realized on the first side part 21 by a side 66 'of the first side part 21.
- the holding device 31 strikes against the stop 66 with its hollow-cylindrical spacer 47, the result is between the region 54 on the side 51 of FIG Holding parts 48 and the plant level 17 and the end face 17 'of the contact body 10, first, the maximum possible holding dimension H as an initial holding measure H for assembly.
- the holding dimension H between the area 54 and the abutment level 17 is preferably predetermined such that with respect to all possible, production-related tolerances of the rail foot 20 a more or less large clearance for the rail foot 20 remains. This means that only in step S2, the desired play-free, but powerless attachment is achieved.
- step S2 the holding head 33 is rotated by the installer in the first direction of rotation 52 or in the further direction of rotation 53.
- the holding dimension decreases H.
- the rotation in the direction of rotation 52 and the further direction of rotation 53 takes place until a play-free, but powerless attachment is achieved, as shown in step S3.
- This results in a holding dimension H which is a backlash-free attachment of the first side part 21 of the rail 20 between the here selected exemplary mounting area 50 and the contact plane 17 and the end face 17 'of the contact body 10.
- the area 55 moves closer to the stop 66 or closer to the interrupted line 65.
- a portion of the available pitch s has been used to reduce the holding amount H to the desired value.
- step S4 the retaining head 33 is then fixed relative to the contact body 10.
- the head 60 of the fastening means 37 is fixed by the installer with a suitable tool 68 or with the hand 67.
- a nut 69 (FIG. 8) of the holding device 38 can then be tightened.
- the rail foot holder 2 can already be preassembled correspondingly upon delivery, so that in particular the holding devices 31, 32 are already in the preassembled state on the contact body 10. Disassembly of the holding means 31, 32 for adjusting and / or fixing is then not required.
- Another holding measure H ' can be adjusted in a corresponding manner to the holding head 34 of the second holding device 32.
- contacts 75, 76 result between the rail foot 20 and the holding head 33 of the first holding device 31.
- the contact 75 results here between the first side part 21 in the region of its abutment 66 or its side 66 '. and the hollow cylindrical spacer 47.
- the contact 76 results between the attachment region 50 or the attachment region 49 and an upper side 27 of the rail base 20, which faces away from its underside 23.
- a sliding surface 77 is provided on the hohlzylmderförmigen spacer 47 to prevent relative displacement of the rail foot 20 along its extension 44 with respect to the building, in particular the wall 9, a static friction on the contact 75.
- a suitable lubricant can be attached to the sliding surface 77.
- the attachment areas 49, 50 are preferably made as smooth as possible.
- the sliding surface 77 and / or the fastening regions 49, 50 may be formed on or with a friction-reducing coating.
- Fig. 6 shows the retaining head 33 shown in FIG. 2 according to a further embodiment.
- a sliding ring 80 is mounted on the hollow cylindrical spacer 47 of the holding head 33.
- the contact 75 (FIG. 5) then comes about between an outer side 81 of the sliding ring 80 and the side 66 'of the first side part 21 of the rail foot 20.
- the slide ring 80 can rotate relative to the holding head 33 about the rotation axis 35.
- the bearing 82 of the sliding ring 80 formed here as a sliding bearing 82 on the hollow cylindrical spacer 47 can be lubricated by a suitable lubricant.
- 7 shows the elevator installation 1, in which the rail 3 with the rail foot holder 2 shown in FIG.
- the elevator installation 1 in this case has an elevator car 90, which is suspended on a suspension element 91. Furthermore, by way of example, a guide roller 92 is shown, by means of which the elevator car 90 is guided on the rail 3.
- the guide roller 92 acts in this case with the rail head 24 of the rail 3. In this case, guide forces act essentially in or counter to the second direction 42.
- the rail 3 is reliably fixed via the holding heads 33, 34. Furthermore, the rail 3 is also reliably held on the wall 9 or the wall 7 of the elevator shaft 8.
- FIG. 8 shows the rail foot holder 2 shown in FIG. 1 and the rail 3 in an excerpt from the viewing direction designated VIII.
- the nut 70 for the bolt 71, in particular screw 71, the second holding device 32 is shown.
- the bolt 71 in this case has the head 61.
- the nut 70 is tightened in step S4 (Fig. 5) while the head 61 and thus the holding head 34 are held in position.
- Another nut 69 which is designed like the nut 70, is used for the bolt 63, in particular bolts 63, wherein for the sake of simplicity of illustration only one nut 69, 70 is shown by way of example. In this case, further elements can be used, in particular a washer 72.
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16202634 | 2016-12-07 | ||
PCT/EP2017/081795 WO2018104435A1 (en) | 2016-12-07 | 2017-12-07 | Rail foot holder for fastening a rail of an elevator system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3551565A1 true EP3551565A1 (en) | 2019-10-16 |
EP3551565B1 EP3551565B1 (en) | 2021-02-03 |
Family
ID=57517786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17828848.6A Active EP3551565B1 (en) | 2016-12-07 | 2017-12-07 | Rail foot holder for fastening a rail of a lift facility |
Country Status (4)
Country | Link |
---|---|
US (1) | US10906779B2 (en) |
EP (1) | EP3551565B1 (en) |
CN (1) | CN110023226B (en) |
WO (1) | WO2018104435A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015217262A1 (en) * | 2015-09-10 | 2017-03-16 | Thyssenkrupp Ag | Guide rail for an elevator installation |
US10906779B2 (en) * | 2016-12-07 | 2021-02-02 | Inventio Ag | Rail foot holder for fastening a rail of an elevator system |
WO2018104157A1 (en) * | 2016-12-07 | 2018-06-14 | Inventio Ag | Rail foot holder for fastening a rail of an elevator system |
US10906778B2 (en) * | 2017-08-21 | 2021-02-02 | Brian K. Keller | Elevator rail clamping system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3420337A (en) * | 1967-09-21 | 1969-01-07 | John E Magee | Rail fastener |
DE3010826A1 (en) * | 1980-03-21 | 1981-10-01 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Sliding rail fastener for lift rails - has rails screwed to anchored plates by conically heated screws, touching rail foot |
US4431087A (en) * | 1981-05-29 | 1984-02-14 | Westinghouse Electric Corp. | Guide rail clamping method and assembly |
US4577729A (en) * | 1984-12-05 | 1986-03-25 | Westinghouse Electric Corp. | Guide rail clamping assembly |
CH680786A5 (en) | 1990-03-26 | 1992-11-13 | Inventio Ag | |
US6413005B1 (en) * | 1999-03-23 | 2002-07-02 | Wahoo Concrete Products, Inc. | Fastener having a self-centering and self-aligning capability for one-sided insertion and tightening on a slat floor |
JP2004536002A (en) * | 2001-07-30 | 2004-12-02 | インベンテイオ・アクテイエンゲゼルシヤフト | Method and apparatus for mounting guide rails |
US7752978B2 (en) * | 2007-11-21 | 2010-07-13 | Pacifiic Bearing Company | Multifaceted guide rail, guide assembly and method of forming guide assemblies |
WO2010112620A1 (en) * | 2009-04-02 | 2010-10-07 | S.A. De Vera (Savera) | Connection system, with self-alignment, for elevator guides |
US20120133164A1 (en) * | 2010-11-29 | 2012-05-31 | S.A. De Vera (Savera) | Adjustment flange for lift guides |
ES2421083B1 (en) | 2012-02-22 | 2014-11-04 | S.A. De Vera (Savera) | Adaptive flange system, for elevator guides |
CN108698794B (en) * | 2015-12-17 | 2020-02-21 | 因温特奥股份公司 | Fixing module for fixing elevator rails |
EP3231757B1 (en) * | 2016-04-15 | 2020-04-08 | Otis Elevator Company | Guide rail support |
US10906779B2 (en) * | 2016-12-07 | 2021-02-02 | Inventio Ag | Rail foot holder for fastening a rail of an elevator system |
-
2017
- 2017-12-07 US US16/466,654 patent/US10906779B2/en active Active
- 2017-12-07 WO PCT/EP2017/081795 patent/WO2018104435A1/en unknown
- 2017-12-07 CN CN201780074260.5A patent/CN110023226B/en active Active
- 2017-12-07 EP EP17828848.6A patent/EP3551565B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20200062547A1 (en) | 2020-02-27 |
CN110023226B (en) | 2021-02-05 |
US10906779B2 (en) | 2021-02-02 |
CN110023226A (en) | 2019-07-16 |
EP3551565B1 (en) | 2021-02-03 |
WO2018104435A1 (en) | 2018-06-14 |
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