EP0855989A2 - Bloc de roue mobile - Google Patents

Bloc de roue mobile

Info

Publication number
EP0855989A2
EP0855989A2 EP96945695A EP96945695A EP0855989A2 EP 0855989 A2 EP0855989 A2 EP 0855989A2 EP 96945695 A EP96945695 A EP 96945695A EP 96945695 A EP96945695 A EP 96945695A EP 0855989 A2 EP0855989 A2 EP 0855989A2
Authority
EP
European Patent Office
Prior art keywords
impeller
housing
width
block
connection surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96945695A
Other languages
German (de)
English (en)
Other versions
EP0855989B1 (fr
EP0855989B2 (fr
Inventor
Eberhard Becker
Udo Gersemsky
Winfried Gievers
Klaus-Peter Hoffmann
Karl Liebig
Bernd Neupert
Hans-Hermann Osthoff
Thomas Schweflinghaus
Roland Staggl
Karl Zacharias
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27512479&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0855989(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE1995140216 external-priority patent/DE19540216C1/de
Priority claimed from DE1995140217 external-priority patent/DE19540217C1/de
Priority claimed from DE1995140215 external-priority patent/DE19540215C1/de
Priority claimed from DE1995140220 external-priority patent/DE19540220C2/de
Priority claimed from DE1995140219 external-priority patent/DE19540219C1/de
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0855989A2 publication Critical patent/EP0855989A2/fr
Publication of EP0855989B1 publication Critical patent/EP0855989B1/fr
Publication of EP0855989B2 publication Critical patent/EP0855989B2/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08—Runners; Runner bearings

Definitions

  • the invention relates to impeller blocks according to the preambles of claims 1, 4, 6, 9 and 12.
  • a generic impeller block is manufactured and sold by Mannesmann Demag Fetttechnik AG under the name "RS”.
  • the known impeller block is also known from DE 31 34 750 C2.
  • This known impeller block is formed from two welded together or otherwise connected halves of the bearing housing and has inwardly pressed rotary bearing seats for bearings in which the hub of the impeller is supported.
  • the rotary bearing seat surfaces are directed towards the hub, and the impeller extends with its hub over the bearings and is supported directly on the housing, and the hub also has ring grooves on its outer rings on both sides for the end faces of the Bearing snap rings and a receiving opening with an internal toothing for an external toothing of a drive shaft.
  • the present invention is therefore based on the object, manufacturing and
  • a block-shaped housing has at least one head connection area which takes up the load-bearing capacity and extends approximately to the width of the housing or of the impeller, on the side of the connecting means between the housing and a structure to be connected to the impeller block, carrier, traveling frame or the like. are arranged.
  • the present invention enables the impeller and / or the bearing to be replaced without the housing having to be detached from the supporting structure. This eliminates the time-consuming and costly alignment process after replacing
  • the housing is reusable and remains aligned with the structure or the like, as long as this is desired.
  • the head connection surface and / or a cheek surface and / or a stim connection surface is divided into overlying and non-overlying partial surfaces.
  • an overlying partial area is undivided, i.e. has no parting line.
  • the flatness of the surface becomes correspondingly more precise with a homogeneous material and smaller partial surfaces as connecting surfaces than with several or large partial surfaces. Forces are also defined in the smaller subareas
  • Connection construction initiated. This allows an optimized design of the connecting structure with a known power flow.
  • the housing consists of lids arranged on both sides and at least one, both
  • This variant of the invention enables the impeller and / or the bearing to be replaced without the housing having to be detached from the supporting structure.
  • detachable connecting means as well as non-detachable ones because the block-shaped housing no longer has to be detached from the supporting structure, support or traveling frame in question.
  • Further advantages result from the fact that both the cover and the spacers can be manufactured as inexpensive mass-produced goods, so that the individual piece costs can be significantly reduced with correspondingly high numbers of pieces.
  • the newly developed impeller block can be completely dismantled and recycled in its components. This is particularly with a view to increasing disposal costs and the separate disposal according to materials are advantageous
  • two separate spacers viewed in the direction of travel, are arranged in front of and behind the impeller. These are relatively light pieces with plane-parallel side surfaces, which can be produced in a correspondingly advantageous manner
  • the housing has at least one load-bearing capacity, which extends approximately to the width of the housing or the impeller width, cheek or face connection surface and on a cheek side in the direction of the shaft axis without a supporting housing part
  • An impeller block assembled in this way remains aligned even when the slide and roller bearing and / or the impeller are removed, because both the slide and roller bearings and the impeller after one Side can be deducted, to which there is enough space for the expansion movement.
  • This variant of the invention therefore enables the impeller and / or the bearing to be replaced without the housing having to be detached from the supporting structure. This eliminates the time-consuming and costly alignment process following the replacement of wear parts, the housing can still be used and remains aligned with the structure or the like, as long as this is desired.
  • the housing is made in one piece and is open at the bottom and towards one side of the cheek
  • the center hub is integrally formed and the impeller is also provided with an asymmetrically molded impeller hub connected to the shaft and extending from the open cheek side of the housing into the hub.
  • Impeller blocks is achieved.
  • the respective application is directed e.g. according to the manufacturing processes available.
  • the housing has at least one load-bearing capacity, which extends approximately to the housing width or the impeller width, and that the impeller, together with pivot bearings attached on both sides, is detachable from the outside to the outside Housing axially fixed ring bodies, which form axial contact surfaces for the rotary bearings, is held.
  • This variant of the invention thus enables the replacement of the impeller and / or the bearing without the housing having to be detached from the supporting structure. This eliminates the time and costly alignment process following the replacement of wearing parts, the housing is reusable and remains aligned on the structure u. Like. As long as this is desired.
  • Components can be disassembled and recycled. This is particularly important with regard to rising disposal costs and the separate disposal according to material.
  • the housing is made in one piece and is open at the bottom.
  • the object is achieved according to claim 12 in a fifth variant in that the housing made of material-dependent and manufacturing process-dependent wall thickness at least one bearing the load capacity, for example on the
  • the housing is reusable and remains aligned with the structure or the like, as long as this is desired.
  • the manufacturing costs are significantly reduced by the underlying shell parts, whereby not only the same and symmetrically molded (sheet) shell halves, but also different widths of the shells, ie unequal shell parts, can be used.
  • non-detachable connecting means in addition to detachable connecting means, because the block-shaped housing no longer has to be detached from the relevant carrier or supporting frame or traveling frame.
  • Components can be disassembled and recycled. This is particularly advantageous in view of rising disposal costs and the separate disposal according to materials.
  • Fig. 1 A is a front view of the entire wheel block in the direction of a
  • 3A is a plan view of the head pad
  • FIG. 4A shows a section AB - AB according to FIG. 1A
  • FIG. 5A shows a cross section according to section information AC-AC in FIG. 1A
  • FIG. 6A shows a cross section according to section AA - AA in FIG. 1A, F Fiigg. 7 7AA a view from below against the wheel block,
  • 8A is a side view with a view of the cheek of the wheel block or the like on a carrier, traveling frame. is attached
  • FIG. 9A shows a cross section corresponding to the section information AD-AD from FIG.
  • Fig. 11A is a view of a laterally attached wheel block, which on a
  • Cheek surface is attached
  • FIG. 12A shows a section AG - AG according to FIG. 1A.
  • 1B is a side view of the impeller block
  • FIG. 2B shows the same side view as FIG. 1B, partially cut away, 3B is an axial vertical cross section through an embodiment of the impeller block,
  • FIG. 5B the same cross section as Figures 3B and 4B for another
  • Fig. 6B shows a cross section through the impeller block in a plane
  • FIG. 7B shows a cross section through the fastening of the impeller block to a supporting structure by means of supporting bolts
  • Fig. 8B is a side view like the figures 1 B and 2B with offset
  • FIG. 9B shows a central cross section according to FIG. 8B and
  • 10B shows an exemplary embodiment for fastening the impeller block to a supporting structure, a carrier, traveling frame or the like.
  • Fig. 1C is a front view of the entire wheel block in the direction of
  • FIG. 2C the top view belonging to FIG. 1C
  • FIG. 3C an end view of the impeller block
  • Fig. 4C is a vertical cross section in the central plane of Fig. 3C
  • 1 E is a front view of the entire impeller block in the direction of a cheek, F Fiigg .. 2 2EE the top view belonging to FIG. 1 E,
  • 3E is a side view of the impeller block in the direction of one
  • Embodiment of the impeller block, F Fiigg 5 5EE an axial cross section of a second alternative
  • Fig. 6E an axial cross section of a third alternative
  • FIG. 7E is a front view like FIG. 1E for the second alternative
  • FIG. 8E shows an axial cross section according to FIG. 7E and
  • FIGS. 7E and 8E are a top view of the impeller block according to FIGS. 7E and 8E
  • F Fiigg 5 5FF is a side view of the impeller block
  • 6F shows a cross section according to the section information FB-FB according to FIG. 1 F and
  • FIG. 7F shows a cross section in a plane offset from the axis plane in accordance with the section information FC-FC in FIG. 1F
  • An impeller block (FIGS. 1A and 2A) has a housing 101, in which rotary bearing
  • Seating surfaces 102 (cf. FIG. 6A) for slide and / or roller bearings 103 are provided for accommodating an impeller 104 which usually protrudes downward
  • Housing 101 can be dismantled and reconnected into housing parts at least on one side for the purpose of removing the sliding and / or roller bearings 103 and / or the impeller 104, a carrier or traveling frame 105 (see FIGS. 8A to 12A) determining the direction of removal
  • the impeller block attached to such a carrier or traveling frame 105, as will be described below
  • the housing 101 is block-shaped, ie viewed from the side and from above or below, either square or rectangular or also trapezoidal. The basic shape can resemble a cuboid.
  • This block-shaped housing 101 has at least one of the carrying capacity (of the impeller
  • receiving head connection surface 108 which extends approximately to the housing width 106 or the impeller width 107, on the side 108a of which the connecting means 109 (e.g. connecting screws 109a, nuts, bolts, rivets, etc.) - cf. 8A - between the housing 101 and the carrier to be connected to the wheel block, traveling frame 105 or the like. are arranged.
  • the connecting means 109 e.g. connecting screws 109a, nuts, bolts, rivets, etc.
  • the head connection surface 108 and / or a cheek surface 110 and / or a stim connection surface 111 are subdivided into overlying and non-overlapping partial surfaces 112 and 113 (cf. FIGS. 2A and 7A).
  • the introduction of force is more defined than before, and it is significant in the manufacture of the impeller block
  • the overlying sub-areas 112 assume the respective load capacity or partial load capacity.
  • An overlying partial surface 112 is itself undivided, although there may be several such overlying partial surfaces 112. This system of the surface areas 112 and the surface areas 113 not lying makes the position of the whole
  • Impeller block statically determined after its adjustment to the carrier or traveling frame 105, safely and unambiguously. This position can therefore be maintained practically for life before, during and during the exchange of the sliding and / or rolling bearings. It is advantageous here that an overlying partial surface 112 is undivided, ie has no parting line. The flatness of the surface becomes correspondingly more precise with a homogeneous material and smaller partial surfaces as connecting surfaces than with several or large partial surfaces. Furthermore, forces are introduced into the connecting structure in a defined manner via the smaller partial areas. This permits an optimized design of the connecting structure with a known power flow.
  • a detachable cover 114 is now attached to at least one side (cheek surface 110) of the housing, which in the operating position is centered on the pivot bearing seat surfaces 102. This enables the bearings and / or the impeller to be removed laterally reduces the disassembly and assembly effort of the impeller by the fact that the supporting structure, the carrier or the traveling frame now only has to be raised by the flange height of the impeller
  • the head connection surface 108 has one or more openings 15
  • this allows the impeller radius to be increased by more than the thickness of the upper plate boundary. It is also advantageous that the breakthrough prevents dirt deposits even in the event that the housing with the open side from which the impeller protrudes points upward against the direction of gravity
  • the breakthroughs 1 15 can by means of
  • Closure pieces 116 which are made of materials with a low specific weight, can be closed (see FIG. 3A).
  • the closure pieces prevent the ingress of dirt or other contaminants even in the event that the housing with the open side on which the impeller protrudes in Direction of gravity points downwards
  • the head connection surface 108 is provided with at least one recess 117 (two recesses are shown in FIG. 3A), which runs parallel to the impeller axis 118.
  • Pre-fabricated bolts can thereby be used, an imprecise hole pattern of the counterpart being possible without this leading to disadvantages, because the bolts move in the recess and can adapt to the inaccurate hole pattern
  • the recess 1 17 can be designed as a groove guide 119, as a through hole or as a threaded hole 120, depending on the accuracy of the connection, the appropriate type of passage can be selected as shown (Fig. 3A) are located in the groove guides 119 groove nuts 121 for connecting means 109, which consist of the connecting screws 109a.
  • This embodiment thus serves to facilitate the connection and alignment during the initial assembly between the supporting structure, support, traveling frame or the like and the housing of the impeller block
  • the housing 101 is constructed asymmetrically for the reasons described above for permanent attachment in the sense that the side cover 114 is provided, the housing width being a multiple of the thickness 114a of the cover 114.
  • Such a cover has various advantages because it is simple , plate-shaped part can be designed differently. It serves to form locks, the attachment of Senso ⁇ kemia and can be designed as an adapter for connection to a drive unit
  • the width 106 of the housing 101 can, depending on the size and load capacity of the impeller 104, be two to forty times the thickness 114a of the cover 114, the cover 114 being set lower to the head connection surface 108 and thus in no way assuming load capacities and in the absence of such easily Load condition can be disassembled This results in easy disassembly of the cover
  • the cover 114 is also designed to spring back to an end connection surface 111 and thus does not interfere with a lateral contact for fastening the impeller block in another way (see FIGS. 11A and 12A).
  • the cover 114 also has integrally formed centering hubs 122 which engage in corresponding bores 123 in the housing 101 in order to maintain an exact position and to avoid errors in the bearing arrangement and to ensure advantageous power transmission
  • the cross section 114b of the cover 114 thickens outside the impeller diameter 104b.
  • Countersinks 138 for screw heads 139 and nuts 140 are incorporated into these thickenings. Fasteners, spacers and the like can be attached in these areas
  • the countersinks 138 can have a hexagonal shape 141, alternating with either Hexagon socket head 142 (FIG. 1A) or a hexagon nut 143 (FIG. 4A) is used.
  • the centering hubs 122 are provided with inner bores 124.
  • the inner bores 124 receive support bolts 125 and run concentrically to the centering hub 122.
  • This design ensures good power transmission to support the reaction forces in the housing of the impeller block.
  • the centering hubs 122, the corresponding bores 123 in the housing 101 and the inner bores 124 each run with their common axis 126 outside the circumference 104a of the impeller 104 (cf. FIG. 1A) parallel to the impeller axis 118 (FIG. 10A).
  • Such a system is correspondingly low-tolerance and therefore economical to manufacture.
  • the housing 101 is on the side 127 opposite the cover 114
  • Receiving hub 128 (FIG. 6A) for a rotary bearing 129 for receiving the inner ring 129a or the outer ring 129b.
  • the rotary bearing can easily be brought into its exact position within tolerances, which is made possible by appropriate manufacturing technology.
  • a receiving hub 130 (FIG. 6A) for a rotary bearing 129 for receiving the inner ring 129a or the outer ring 129b is then formed on the cover 114 in an analogous form to the housing 101.
  • End connection surfaces 111 (FIG. 2A) of the housing 101 have receiving means 131 for the connecting means 109 arranged.
  • the receiving means can be used to adjust the connecting means 109 in accordance with the setting of the entire impeller block.
  • slot guides 119 (FIG. 10A) with slot nuts 121 provided on the head connection surface 108 there are also recesses
  • the recesses 117 and 132 are each equipped as groove guides 119 and designed either as a through hole 133 or as a threaded hole 120
  • the housing 101 has an outer surface 134 opposite to the head connection surface 108, which is shown in view in FIG. 7A.
  • Other units such as e.g. Guide rollers, measuring devices and the like.
  • This partial connection surface can also be designed in such a way that the entire impeller block can be connected to the supporting structure, support or traveling frame on this surface.
  • This outer surface 134 is divided into partial connection surfaces 135.
  • outer end connection surfaces 1 1 1 of the housing 101 are undivided (FIG. 2A) and each represent a receiving surface 136 for load capacities
  • the cover 114 is connected to the housing 101 in a form-fitting manner via the centering hubs 122 (FIG. 5A) and non-positively connected via the connecting means 109, the
  • Connecting means 109 e.g. consist of connecting screws 109a.
  • housing 101 and cover 114 can each be injection molded or cast from molten materials. Manufacture by forging is also possible.
  • the material can e.g. from one
  • FIGS. 11A and 12A attachment of the housing 101 and the cover 114 to the cheek surfaces 110 is shown by means of the connecting screws 109a, hexagon nuts 143 and adjusting bushes 144.
  • An impeller block (FIGS. 1B and 2B) has a housing 201 in which rotary bearing seat surfaces 202 (cf. FIG. 3B) are provided for slide and / or roller bearings 203 for the purpose of accommodating an impeller 204 which usually protrudes downward.
  • the housing 201 can be disassembled and reconnected at least on one side into housing parts, a supporting structure, carrier, traveling frame 205 or the like. (see FIGS. 7B and 10B) determines the direction of removal.
  • the impeller block is on one
  • Support structure support or chassis 205 attached, as will be described below.
  • the housing 201 is block-shaped, i.e. Viewed from the side and from above or below, either square or rectangular or also trapezoidal.
  • Basic shape can resemble a cuboid.
  • This block-shaped housing 201 has at least one head connection surface 210 which receives the load-bearing capacity of the impeller 204 and extends approximately to the housing width 201 a or the impeller width 204a, on the side of which connecting means 21 1 between the housing 201 and the support structure to be provided with the impeller block, carrier , Traveling frame 205 or the like are arranged.
  • the housing 201 is composed of covers 206 and 207 arranged on both sides and at least one spacer 209 connecting both covers 206, 207 on a circumferential section 208 with a load-bearing capacity that extends to the housing width 201a or the impeller width 204a (FIG. 3B)
  • Head pad 210 formed. At the head connection surface 210, the connecting means 211 to a structure, carrier, traveling frame 205 or the like. intended.
  • the covers 206, 207 have pivot bearings 203 on or in the cover hubs 206a, 207a on both sides, which end approximately with the width 204a of the impeller 204 or an impeller hub 204b.
  • two separate spacers 209 are arranged in front of and behind the impeller 204 (FIGS. 1B and 2B). These are relatively light pieces with plane-parallel side surfaces, which can be manufactured advantageously.
  • an opening 213 is created which can be closed by means of a closure piece 214.
  • the closure piece does not have to be made of the same material as the cover or the spacers, since it does not take up any load capacities and does not have to be of sufficient strength. The closure piece prevents the ingress of dirt or other contaminants even in the event that the housing with the open side on which the impeller protrudes points downward in the direction of gravity.
  • the spacer 209 is made from an extruded profile 209a. Post-processing of the spacers can largely be dispensed with, so that only one work step for adjusting the thickness of the spacer has to be carried out on the extending extruded profile.
  • the width of the spacer 209 now corresponds to the distance between the support surfaces of the two covers 206 and 207.
  • the spacer 209 can be designed for different wheel widths 204a with a corresponding width 209b, as can be seen from FIGS. 3B to 5B results. Only a single thickness setting is required when cutting a spacer to thickness.
  • the two cover hubs 206a and 207a are brought up to a gap distance 216 (FIG. 4B), so that an adaptation to different impeller diameters / load capacities can take place.
  • the cover cross section 217 of the covers 206 and 207 is made thicker outside the impeller diameter 204c (FIG. 6B), so that components can be accommodated in the thickenings.
  • a thicker cross section 217a of the cover 206 In a thicker cross section 217a of the cover 206; 207 countersinks 218 are arranged for screw heads 219 and nuts 220.
  • the countersinks 218 (FIG. 6B) have a hexagonal shape 221, which in the
  • the two covers 206 and 207 are normally of the same design.
  • Spacers 209c are provided as spacers 209, which are laterally on the
  • Circumferential section 204d of the impeller 204 fill a space 222 between the two covers 206 and 207, from which the block shape of the impeller block results and which enables the impeller to protrude upwards or downwards.
  • the intermediate pieces 209c have bores 223 or in their place hubs 224, into which hubs 225 or bores 226 engage in the covers 206 and 207, which enables the assembly of the impeller block in combination with an adjustment of the individual parts.
  • the intermediate pieces 209c are each provided with at least one recess 227 which runs parallel to the impeller axis 204e. This allows prefabricated bolts to be used, with an inaccurate hole pattern of the
  • the recesses 227 are designed as a groove guide 227a, as through bores 227b or as threaded bores 227c.
  • slot nuts 228 for connecting screws 229 (FIG. 10B) can be adjusted transversely and with little play. This embodiment thus serves to facilitate the connection and Aus ⁇ chtens during the initial assembly between the structure, carrier, traveling frame or the like and the formed housing of the impeller block
  • the intermediate pieces 209c are essentially arranged on the housing faces 201b, which are formed together with the cover faces 206b and 207b
  • the intermediate pieces 209c have groove guides 227a and through bores 227b or threaded bores 227c, which are part of the extruded profile 209a.
  • the corresponding type of passage can be selected a cover 206 or 207 to the head connection surface 210 is set lower. This also enables a cover 206 or 207 to be easily detached from the impeller block, without the entire impeller block being misaligned with respect to the supporting structure, carrier, traveling frame 205 or the like, that is, as a result easy removal of the lid to be removed on one side
  • At least one cover 206 or 207 is provided with centering hubs 206c or 207c, which engage in corresponding bores 230 of the spacer 209 or an intermediate piece 209c, so that an advantageous force transmission takes place
  • cover hubs 225 are provided with inner bores 231 for receiving support bolts 232, which are concentric with the cover hub 225. This design contributes to good force transmission for supporting the reaction forces in the housing of the impeller block
  • the center bores 206c or 207c, corresponding bores 230 in the spacer 209 or an intermediate piece 209c, and the inner bores 231 each run with their common axis 233 outside the peripheral portion 204d of the impeller 204 parallel to the impeller axis 204e, thereby favoring assembly, disassembly and adjustment
  • a receiving hub 234 for a rotary bearing 203 for receiving the inner ring 235 or the outer ring 236 is formed on the side 209e opposite a cover 206 or 207 (not shown on the spacer 209).
  • At least one partial connection surface 237 is formed on the outer surface 209f of the spacer 209 or the intermediate piece 209c opposite the head connection surface 210 (FIG. 10B).
  • the impeller block can therefore also be used in an attached or erected position.
  • the outer end connection surfaces 209d of the spacer or spacers 209 are undivided and each form a receiving surface for load capacities.
  • the covers 206 and 207 are made of sheet steel, the sheet thickness 206d and 207d being crimped inwards around the wheel block center 238 around the impeller 204 (FIGS. 5B and 6B); a manufacturing route for the essential parts of the impeller block.
  • the screw heads 219, the nuts 220 and the countersinks 218 for fastening bolts 239 lie under recessed surfaces 240 and are thus behind the outer contour 241 of the impeller block, as a result of which the impeller block is held together.
  • the spacers 209 or the intermediate pieces 209c and / or the covers 206 or 207 consist of a material to be processed in the molten state in order to avoid corrosion or to save weight.
  • the material can e.g. consist of a light metal alloy.
  • the material can alternatively consist of an iron alloy.
  • the material can also be selected from a plastic that can be plasticized.
  • the material consists of composite material or forms a composite material with other materials.
  • An impeller (FIGS. 1C and 4C) has a housing 301 in which pivot bearing seat surfaces 302 for pivot bearings 303, namely sliding and / or roller bearings 303a, are provided for the bearing of an impeller 304 which usually protrudes downward.
  • the impeller 304 and / or the rotary bearing 303 can be expanded without the housing 301 from a carrier (not shown), traveling frame or the like. to separate, on which the housing 301 is attached detachably or non-detachably in several directions.
  • the housing 301 shows at least one head connection surface which absorbs the load-bearing capacity and extends approximately to the housing width 301a or the impeller width 304a
  • the housing 301 is designed on a cheek side 306 in the direction of the shaft axis 307a of the shaft 307 without a supporting housing part, so that a floating bearing is formed.
  • the housing 301 is made in one piece by casting, injection molding, forging, extrusion, deep drawing or similar manufacturing processes. Due to the one-piece design, it is not necessary to connect several housing parts to one another, which saves special fasteners, assembly times and production times (set-up times).
  • this manufacture is determined by a housing hub 309 which extends axially to below the rotary bearings 303 and which receives the rotary bearings 303 and is formed asymmetrically to the width-center plane 308.
  • the impeller 304 is analogously provided with an impeller hub 304b, which extends from the open cheek side 306 of the housing 301 into the housing hub 309 and is formed asymmetrically from the opposite side and is connected to the shaft 307.
  • Another improvement is that the housing hub 309 and / or
  • Impeller hub 304b are cylindrical or stepped.
  • the position and the load-bearing capacity are improved in that the head connection surface 305 and / or a cheek connection surface 310 and / or a stim connection surface 31 1 in overlying and non-resting partial surfaces 305a and
  • An overlying partial surface 305a can be undivided.
  • the flatness of the surface becomes with a homogeneous material and smaller partial surfaces as a connecting surface correspondingly more precise than with several or large partial surfaces and conditionally shorter production times. Furthermore, forces are introduced into the connecting structure in a defined manner via the smaller partial surfaces. This permits an optimized design of the connecting structure with a known power flow
  • the strength (bending strength) of the flying bearing is influenced by the shape, material can be saved. It is provided that the housing hub 309 in the cross section penetrated by the shaft 307 faces away from the open cheek side 306, with the larger diameter 312 at the open Cheek side 306 lying first cone 312a is executed
  • Construction also allows different manufacturing processes in a wide range.This results in almost complete use of space for parts designed to be inexpensive in terms of load.A transition from the first cone which is designed to be advantageous in terms of production technology and is also designed to be space-saving then looks such that the housing hub 309 is penetrated by the shaft 307
  • Cross-section on the first cone 312a in the opposite direction connects a second cone 313a, the larger diameter 313 of which is arranged facing away from the larger diameter 312 of the first cone 312a.
  • the outer surface 304c of the impeller hub 304b is adapted to the inner surface 312b of the second cone 313a with a gap distance 314 , as far as the space utilization can be promoted.
  • a stress-resistant design is created with the lowest material consumption
  • the length of the housing hub 309 can be made so short that the wheel rim 304d of the impeller 304 and the
  • Impeller hub 304b is connected by a web cross-section 304e which is flatly conical to the width-center plane 308, which serves to make better use of space.
  • the pivot bearings 303 can be arranged symmetrically to the central width plane 308 in the interior 304f of the impeller 304 or on the housing hub 309 in order to achieve a compact design With a slight removal of the pivot bearing and / or the impeller is in principle accompanied by an opening to be created, which must be secured against the ingress of dust and dirt.
  • the open cheek side 306, which is designed without a supporting housing part, can be closed by means of a detachable cover plate 315.
  • the detachability favors a lateral removal of the bearings and / or the impeller the supporting structure, the carrier or the traveling frame only has to be raised by the flange height of the impeller.
  • the housing 301 Opposite the open cheek side 306, the housing 301 is on the opposite side of the housing 301c (opposite to the housing side 301b) with a
  • Flange contact surface 316 designed for fastening elements 317 (FIG. 2C)
  • the head connection surface 305 is provided with one or more openings 318 which can be closed by means of closure pieces 319, which need not be made of the same material as the housing, since they are neither
  • the sealing pieces prevent the ingress of dirt or other contaminants even in the event that the housing, with the open side on which the impeller protrudes, points in the direction of gravity (downward).
  • the fixed side of the housing can be used for flange mounting, detachable or non-detachable fastening.
  • the impeller radius can also be increased by more than the thickness of the upper plate limit
  • the head connection surface 305 has at least one recess 320, which runs parallel to the shaft axis 307a.
  • a recess 320 can be designed as a groove guide 320a, as a through bore 320b or as a threaded bore 320c.
  • the appropriate type of passage can be selected.
  • slot nuts 321 are for Connecting screws 322 can be adjusted transversely and guided with little play. This embodiment thus serves to facilitate the connection and alignment during the initial assembly between the supporting structure, carrier, traveling frame or the like and the housing of the impeller block
  • the entire wheel block is held either by non-detachable or releasable fastenings on a driving or carrying frame.
  • receiving means 323 for fastening elements are provided which, as shown, consist of inner eyes with through holes
  • recesses 324 can also be provided on the end connection surfaces 31 1 of the housing 301
  • Housing 301 has at least one partial connection surface 326 formed.
  • the outer end surfaces 311 of housing 301 are undivided and each represent a receiving partial surface 327 for load capacities.
  • Other units such as e.g. Guide rollers, measuring devices and the like can be connected.
  • This partial connection surface can also be designed in such a way that the entire impeller block can be connected to the supporting structure, support or traveling frame on this surface
  • the housing 301 and / or the cover disk 315 consist of a material to be processed in the molten state, which consists of a light metal
  • Alloy can be chosen, in particular to save weight. Light metal materials and plastics are particularly suitable for this. Corrosion is also avoided when using these materials. For higher strength requirements, it is provided that the material consists of an iron alloy. Analogously to the corresponding manufacturing process, the material consists of a plasticizable plastic. It is also possible that the material consists of composite material or forms a composite material with other materials An exemplary embodiment of the fourth variant of the invention is described below:
  • An impeller block ( Figures 1E, 3E, 5E and 7E) has a housing 401 in which
  • Rotary bearing seat surfaces 402 for slide and / or roller bearings 403 are provided for receiving an impeller 404 which protrudes with its circumference 404a on at least one side (down here).
  • the sliding and rolling bearings 403 and / or the impeller 404 can be expanded at least on one side, namely horizontally (FIGS. 1E and 3E), downwards (FIGS. 5E and 7E).
  • the housing 401 is on a structure, support, chassis and. Adjusted attached after several levels and this attachment must also be maintained when removing the impeller 404 and / or the sliding or rolling bearing 403.
  • the housing 401 is held with at least one head connection surface 405 which receives the load-bearing capacity and extends approximately to a housing width 401a or an impeller width 404b.
  • the impeller 404 together with the pivot bearings 403 attached on both sides, is mounted axially directly between contact surfaces 406a, 406b of the housing 401.
  • the housing 401 has one or more head connection surface 405 which receives the load-bearing capacity and extends approximately to the housing width 401a or to the impeller width 404b, which can be located on the upper side, the cheek surfaces 407 or 408 or a stim connection surface 409. For a confined space
  • the housing 401 is closed at the end with a cover 410.
  • the impeller 404 can be expanded through a cover opening 41 1 (FIG. 3E).
  • the housing 401 can therefore be made in one piece. In particular, this creates access in the running direction above the rails, so that the adjusted, fastened housing can remain in its position as desired.
  • flange bushings 412 (FIG. 6E) are arranged concentrically to the impeller axis 404c, in each of which a rotary bearing 403 is inserted into the rotary bearing seat surfaces 402. It is sufficient to remove the ring body, which consists of a flange bushing, in order to be able to loosen the respective pivot bearing
  • FIG. 4E provides pivot bearing seat surfaces 402 directly in the housing 401, the outer rings of the pivot bearings 403 being axially fixed by means of retaining rings 413 each held in grooves 401c
  • the impeller shaft 404d can be installed and removed through openings 401d and is axially secured with securing elements 414 attached to the outside on the impeller 404 (FIGS. 4E and 6E), as a result of which the assembly or disassembly of further important parts with respect to drive parts can be advantageously designed in this regard, too can be used, the z. B. consist of snap rings with associated grooves in the impeller axis.
  • the head connection surface 405 and / or a cheek surface 407 or 408 and / or a stim connection surface 409 can be subdivided into overlying and non-overlapping partial surfaces 415a, 415b.
  • the introduction of force is more defined than before, and it is in the manufacture of the
  • An overlying partial surface 415a is itself undivided (FIG. 2E).
  • the flatness of the surface is correspondingly more precise in the case of a homogeneous material and smaller partial surfaces as connecting surfaces than in the case of several or large partial surfaces.
  • forces are introduced into the connecting structure in a defined manner via the smaller partial surfaces. This allows an optimized design of the connection structure with a known power flow.
  • the selected pad such. B. the head connection surface 405 has one or more openings 416, which in turn can be closed by means of closure pieces 417 (FIG. 4E), these not having to be made of the same material as the housing, since they neither absorb load capacities nor from The sealing pieces prevent the ingress of dirt or other contaminants even in the event that the housing with the open side on which the impeller protrudes points in the direction of gravity (downwards)
  • this allows the impeller radius to be increased by more than the thickness of the upper plate limit. It is also advantageous that the breakthrough prevents dirt deposits even in the event that the housing with the open side from which the impeller protrudes counter to the direction of gravity (upwards) ) points
  • the head connection surface 405 is provided with at least one recess 418, which runs parallel to the impeller axis 404d.
  • the recess 418 is designed as a groove guide 418a or as a through hole 418b or as a threaded hole 418c.
  • the corresponding combination can be made to be selected
  • receiving means 421 for fastening elements 422 are provided on the head connection surface 405 and / or on the outer end connection surfaces 409 of the housing 401
  • Adjustment of the connecting means according to the setting of the entire impeller block can be done with the latter Structure, with beams, undercarriage u. Like. Be connected and rigidly arranged in this, so that the fastener element head, etc. is integrated.
  • recesses 418 are also arranged on the end connection surfaces 409 of the housing 401. As a result, additional elements can be connected without finally occupying the end connection surface. It is also possible to even u the whole wheel block on this stim connecting surface of the housing to a carrier or traveling frame. Like to connect.
  • the recesses 418 can each as
  • Groove guide 418a as a through hole 418b or as a threaded hole 418c.
  • At least one partial connection surface 405a is formed on the outer surface 401e of the housing 401 opposite the head connection surface.
  • the said recess can also be designed as a groove guide, as a through hole or as a threaded hole.
  • the appropriate type of passage can be selected depending on the accuracy of the connection.
  • the outer end connection surfaces 409 of the housing 401 are undivided and each represent a receiving surface for load capacities, which is advantageous for the attachment of further units.
  • the housing 401 and / or the cover 410 are made of a material to be processed in the molten state, e.g. B. from a light metal alloy, from a
  • Iron alloy from plasticizable plastic or from a composite material to avoid corrosion or to save weight.
  • the material can also form a composite material with other materials.
  • the housing 401 is made by economical use of the material, which z. B. is supported by indentations 401 b.
  • An impeller block (FIG. 1 F) is formed from two complementary shell parts that form a housing 501.
  • two halves of housing shells 502 and 503 are selected as shell parts.
  • the shell parts can also be unequal be in width.
  • the housing shells 502 and 503 are non-positively and / or positively connected to one another and each have pivot bearing seating surfaces 504 and 505 for pivot bearings 506, which consist of slide and / or roller bearings for supporting an impeller projecting out of the housing 501 on at least one side 507 exist.
  • the housing 501 or the housing shells 502 and 503 are for the purpose
  • Removal of the rotary bearing 506 and / or the impeller 507 can be dismantled and reconnected at least in any direction.
  • At least one carrying capacity extends to the housing width
  • the housing shell connecting means 509 are arranged outside the head pad 508.
  • housing shell connecting means 509 can e.g. be arranged on the end faces 510 of the housing 501, which is rectangular in the direction of the impeller axis 511 (FIG. 2F). This results in good accessibility when installing or removing one of the housing shells.
  • the head connection surface 508 and / or a cheek surface 512 and / or an end surface 510 is subdivided into surface areas 513 and non-surface areas 514 for manufacturing and functional reasons.
  • An overlying partial area 513 is undivided (FIG. 4F).
  • the flatness of the surface becomes correspondingly more precise with a homogeneous material and smaller partial surfaces as connecting surfaces than with several or large partial surfaces.
  • defined forces are introduced into the adjacent construction via the smaller sub-areas. This allows an optimized design of the connecting structure with a known power flow.
  • the processing, alignment, assembly and adjustment of the housing shells is favored in that the outer end faces 510 of the housing 501 are divided and each represent a receiving partial surface 510a, 510b for load capacities.
  • the introduction of force is more defined than before, and considerable savings are made in machining performance or machining volume in the manufacture of the impeller block, unless such partial surfaces can already be produced by pulling or pressing.
  • One or more openings 515 are formed in the head connection surface 508. This advantageously allows the impeller radius to be increased by more than the thickness of the upper plate boundary. It is also advantageous that the breakthrough prevents dirt deposits even in the event that the housing, with the open side from which the impeller protrudes, points upward against the direction of gravity.
  • the housing shells (halves) 502 and 503 can be closed at the openings 515 by means of locking pieces 516.
  • the housing shells 502 and 503 are primarily made of materials that allow a thickness such as steel or sheet metal.
  • the head connection surface 508 is provided with at least one recess 517, which is arranged symmetrically to the impeller axis 51 1.
  • the recesses 517 can be designed as a through hole 518 or as a threaded hole 519. Depending on the accuracy of the connection and the manufacturing process of the housing shells, the appropriate type of passage can be selected. Both through bores 518 and threaded bores 519 are created by means of welded-on setting nuts 520 with a very thin wall thickness (approx. 1 to 2 mm).
  • Receiving means 521 for fastening elements 522 are provided on the head connection surface 508 and / or on the outer end connection surfaces 510 of the housing. These fastening means can be adapted to the respective type of fastening. These can be both releasable fastening means and non-releasable ones
  • the housing shell connecting means 509 then consist of tabs 523, which form positive and / or non-positive connections.
  • the tabs can be embedded in such a way that they easily fit into the contour of the housing shells, so that none of the
  • the tabs 523 are fastened by countersunk screws 524 with washers 525 and lock nuts 526 in pressed-in or drawn grooves 527 on the end face and are somewhat lower than the end face 510.
  • the fastening means therefore do not interfere in any way a smooth contour of the
  • Wheel block housing The tabs 523 are deeply recessed in the grooves 527 preformed in the housing shells 502, 503.
  • the sheet metal material is suitable for shaping grooves, particularly when producing a large number of housing shells.
  • the housing 501 consists of a material to be processed in the molten state, such as a light metal alloy or an iron alloy or plastic that can be plasticized, in order to avoid corrosion or to save weight
  • the material can also consist of composite material or form a composite material with other materials.
  • the housing shells (halves) 502 and 503 are held together via the housing shell connecting means 509.
  • the entire housing 501 is via bolts and pins, not shown, which are inserted through bores 531 and 532, on the above-mentioned supporting structure, chassis, traveling frame or the like. adjusted and held.
  • the impeller shaft 511 is pulled out after a snap ring 533 has been released.
  • Housing hub 403 plain and / or roller bearings
  • removable cover plate 406 ring body

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rolling Contact Bearings (AREA)
  • Toys (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Connection Of Plates (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Saccharide Compounds (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Rotational Drive Of Disk (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Vehicle Body Suspensions (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Handcart (AREA)

Abstract

Ce bloc de roue mobile comprend un boîtier (101) pourvu de coussinets de pivotement à surfaces d'appui (102) pour des paliers à glissement et/ou à roulement (103) qui reçoivent une roue mobile (104) qui fait saillie au moins d'un côté. Dans une première variante, le boîtier (101) peut être démonté au moins d'un côté en plusieurs parties et remonté, pour permettre d'enlever les paliers à glissement et/ou à roulement (103) et/ou la roue mobile (104). Afin de faciliter le démontage, le boîtier (301) comprend au moins une face portante supérieure (305), latérale ou frontale (310; 311) de raccordement qui s'étend à peu près sur la largeur (301a) du boîtier ou sur la largeur (304a) de la roue mobile. Du côté d'une face (306) le boîtier (301) est réalisé sans parties portantes dans la direction de l'axe (307a) de l'arbre. Le boîtier (501) peut être constitué de deux coques (502, 503) qui peuvent être reliées l'une à l'autre par liaison de force et/ou de forme.
EP96945695A 1995-10-18 1996-10-18 Bloc de roue mobile Expired - Lifetime EP0855989B2 (fr)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
DE19540215 1995-10-18
DE19540217 1995-10-18
DE19540216 1995-10-18
DE1995140217 DE19540217C1 (de) 1995-10-18 1995-10-18 Laufradblock mit einem Gehäuse
DE1995140215 DE19540215C1 (de) 1995-10-18 1995-10-18 Laufradblock mit einem Gehäuse
DE1995140220 DE19540220C2 (de) 1995-10-18 1995-10-18 Laufradblock
DE19540220 1995-10-18
DE19540219 1995-10-18
DE1995140219 DE19540219C1 (de) 1995-10-18 1995-10-18 Laufradblock mit aus zwei sich ergänzenden Schalenteilen gebildetem Gehäuse
DE1995140216 DE19540216C1 (de) 1995-10-18 1995-10-18 Laufradblock mit einem Gehäuse
PCT/DE1996/002023 WO1997014645A2 (fr) 1995-10-18 1996-10-18 Bloc de roue mobile

Publications (3)

Publication Number Publication Date
EP0855989A2 true EP0855989A2 (fr) 1998-08-05
EP0855989B1 EP0855989B1 (fr) 1999-12-08
EP0855989B2 EP0855989B2 (fr) 2006-08-02

Family

ID=27512479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945695A Expired - Lifetime EP0855989B2 (fr) 1995-10-18 1996-10-18 Bloc de roue mobile

Country Status (10)

Country Link
US (2) US5931584A (fr)
EP (1) EP0855989B2 (fr)
JP (1) JP3818666B2 (fr)
KR (1) KR100420289B1 (fr)
AT (1) ATE187416T1 (fr)
DE (1) DE59603886D1 (fr)
DK (1) DK0855989T4 (fr)
ES (1) ES2140153T5 (fr)
PT (1) PT855989E (fr)
WO (1) WO1997014645A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822220A (en) * 1996-09-03 1998-10-13 Fisher-Rosemount Systems, Inc. Process for controlling the efficiency of the causticizing process
US6375243B1 (en) * 1999-06-14 2002-04-23 The Wheel Thing, Inc. Wheel assembly for a roller coaster
DE102011002044A1 (de) * 2011-04-14 2012-10-18 Demag Cranes & Components Gmbh Anordnung und Verfahren zur Ausrichtung eines Laufradblocks
CN111115446B (zh) * 2019-12-18 2021-03-09 河钢股份有限公司承德分公司 一种大型起重机车轮更换调整方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415924A (en) * 1945-03-01 1947-02-18 Blair Mfg Company Lawn mower wheel bearing
DE2005949A1 (de) * 1970-02-10 1971-08-19 Brunnhuber Maschf Josef Laufradantrieb und Lagerung fur einen Kran
DE3134750C2 (de) * 1981-09-02 1983-11-17 Mannesmann AG, 4000 Düsseldorf "Laufradblock"
US4682901A (en) * 1982-09-29 1987-07-28 Peter Hauber Ball bearing apparatus having snap fit feature
DE3741193C1 (de) * 1987-12-04 1989-07-27 Man Ghh Krantechnik Radblock
DE4031685C3 (de) * 1990-10-04 2001-11-08 Mannesmann Ag Laufradblock
DE9210797U1 (de) * 1992-08-12 1993-12-16 Karl Georg Stahlherstellungs- und Verarbeitungsgesellschaft mbH & Co. KG, 57638 Neitersen Laufradblock
DE4235345A1 (de) * 1992-10-20 1994-04-21 Man Ghh Logistics Laufradanordnung für einen Kran
US5468070A (en) * 1993-11-05 1995-11-21 Sears Manufacturing Company Composite roller assembly
FI93000C (fi) * 1993-12-02 1995-02-10 Kone Oy Laitteisto ja menetelmä laakeripesän kiinnittämiseksi

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9714645A3 *

Also Published As

Publication number Publication date
DE59603886D1 (de) 2000-01-13
EP0855989B1 (fr) 1999-12-08
ATE187416T1 (de) 1999-12-15
KR100420289B1 (ko) 2004-07-01
WO1997014645A3 (fr) 1997-06-12
PT855989E (pt) 2000-05-31
EP0855989B2 (fr) 2006-08-02
DK0855989T3 (da) 2000-05-01
JP3818666B2 (ja) 2006-09-06
DK0855989T4 (da) 2006-12-04
US6033119A (en) 2000-03-07
JPH11513629A (ja) 1999-11-24
WO1997014645A2 (fr) 1997-04-24
KR19990064235A (ko) 1999-07-26
ES2140153T3 (es) 2000-02-16
ES2140153T5 (es) 2007-04-01
US5931584A (en) 1999-08-03

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