EP0997429A1 - Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe - Google Patents
Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe Download PDFInfo
- Publication number
- EP0997429A1 EP0997429A1 EP99120593A EP99120593A EP0997429A1 EP 0997429 A1 EP0997429 A1 EP 0997429A1 EP 99120593 A EP99120593 A EP 99120593A EP 99120593 A EP99120593 A EP 99120593A EP 0997429 A1 EP0997429 A1 EP 0997429A1
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- EP
- European Patent Office
- Prior art keywords
- chain
- housing
- chain sprocket
- sprocket
- hoist according
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
- B66D3/22—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing with variable-speed gearings between driving motor and drum or barrel
Definitions
- the monorail hanging cat from DE-A-43 21 758 has a landing gear to which two landing gear shields belong which a total of four castors are rotatably mounted.
- the Casters are coaxial in pairs.
- the landing gear shields are below the track by two Crossbeams connected in the form of cylindrical bolts. These cylindrical bolts sit with less Distance than the landing gear shields two holding plates, between which a chain follower is rotatably mounted, which is surrounded by a chain guide. On one end the two holding plates are bevelled and welded on Provide flange plates on which the gearbox or the motor of the electric chain hoist is screwed on.
- the chain sprocket housing of the electric chain hoist is there from two congruent half shells, in whose interior thus formed runs the chain sprocket.
- the Chain sprocket housing cannot transmit any significant forces, because it is made of plastic. It doesn't take over Supporting function, but only serves to guide the Chain.
- the chain storage system that is usual with chain hoists is also on the flanges supporting the gearbox and the motor screwed onto the two support plates.
- the chain sprocket is ready for use above the engine, which is why in connection with the approximately rectangular cross section of the electric chain hoist below the rail gives a height that is about larger cross-sectional dimension of the rectangular cross-section corresponds.
- the known arrangement is suitable therefore only for relatively light chain hoists with lower Load capacity. Enlarged with increasing load capacity the cross section of the gearbox, based on a level in which the running rail lies. The height dimensions then become correspondingly larger because the cross-sectional area, on which the axes of the individual gear wheels stand vertically, enlarges accordingly.
- the electric chain hoist has a gearbox on that a mounting surface on one side for flange mounting the drive motor and for flange mounting of the chain sprocket housing, i.e. the drive motor and the chain sprocket housing is on the same side of the Gearbox.
- the chain sprocket housing itself consists of a high-strength material and also serves as an anchor for hanging the electric chain hoist.
- the gearbox itself be made of less strong light metal what saves a lot of weight overall.
- a chain sprocket housing which has a mounting surface for flange mounting on the gearbox housing.
- Chain sprocket housing is located on the mounting surface open interior, in which the chain sprocket rotates.
- the chain sprocket housing has two separate outlet sides on, one for the chain's load strand and one for the empty strand. These two exit side faces form an angle of approx. 90 ° with each other.
- In the chain sprocket housing contains two chain guide channels, that from the interior to the relevant exit side to lead. Are on the exit side two fasteners, which are intended to To connect the electric chain hoist to the trolley. On in this way the attachment is done exclusively with Help the chain sprocket housing, which is why all other parts of the electric chain hoist made of a light material with less Strength can be produced. Hereby is saved significantly in weight.
- the transverse forces emanating from the load strand remain in the Essentially inside the chain sprocket housing from there directly into the corresponding parts of the trolley initiated.
- the gearbox or the motor are from the lateral forces caused by the load strand become practically free.
- a particularly stable connection between the gearbox and to manufacture the chain sprocket housing contain an annular groove in the mounting surface of the gearbox housing, which surrounds the transmission output shaft. This annular groove interacts with an annular rib, on the relevant side of the chain sprocket housing is formed and engages in the groove in the assembled state. As a result, the transverse forces from the rib over the annular area between the tip and the output shaft bearing introduced into the output shaft.
- the chain sprocket of the chain hoist at regular intervals be inspected to determine if excessive Wear has occurred on the chain pockets. This inspection will be easier if the chain sprocket housing on its opposite the exit side of the load strand Side contains an opening, which is closed by a lid is.
- the lid carries the chain sprocket on it facing the chain guide profile, as also in the chain guide channels is included. In this way can be easily removed without removing the chain hoist from the trolley by opening the lid, the chain nut is examined become.
- the opening is preferred designed so that less than 140 ° circumferential angle of the chain sprocket are covered by the lid.
- a good alignment of the chain hoist to the trolley with safe escape of the empty strand from the Chain sprocket housing is achieved when the two chain guide channels an angle of not less than 25 °, preferably enclose around 37.5 °.
- the guide channel containing the empty strand has a downward component.
- this chain guide channel has a short length, i.e. the area in which the Chain is completely enclosed, has a length that shorter than the overall length of a chain link is.
- a particularly high stability and simple manufacture is achieved when the chain sprocket housing in one piece is.
- the chain ejector is plugged in, expediently from the housing surface, which is the outlet side of the last dream.
- the fasteners of the chain sprocket housing are in the simplest case several tabs that are rectangular or straight from the relevant side of the chain sprocket housing stand away. These tabs are in the sense of one even distribution of forces around that guide channel arranged through which the load strand leads. This will Bending moments largely avoided. Instead of the tabs tapped holes can also be provided.
- the drive motor is above the chain sprocket housing there is a very good mass distribution. It is also advantageous if the section of the burden that lies between the loose running Deflection chain sprocket and the chain sprocket housing of the hoist located between the crossbeam of the trolley and the chain sprocket extends.
- the crossbar can be in in this case very close to the underside of the rail can be moved in, which reduces the bending moments that occur on the crossbeams.
- the trolley suitable for the hoist has expediently two support plates on each other have a smaller distance than the undercarriage shields.
- the guide nut is rotatably mounted between the support plates, which in turn is surrounded by a chain guide.
- the supporting or holding plates can be simple smooth plates be with fasteners on the forehead where the Attach hoist.
- the chain hoist fasteners are simple Bores whose axes are parallel to the axes of rotation of the Wheels lie.
- a counter pressure roller is stored at the far end of the chassis be that acts against the underside of the rail.
- Fig. 1 shows a monorail 1, to which a Trolley 2, which runs along a running rail 3, and an electric chain hoist 4 belong.
- the representation is one Sectional view in the plane, as through a round link chain 5 is defined on which a bottom block 6 hangs as a load handler.
- the trolley has 2 two landing gear shields running parallel and at a distance from each other 7 on that of essentially smooth steel plates are formed.
- the undercarriage shields 7 are a total of four journals 8 in associated Bores used on which double deep groove ball bearings 9 stuck.
- the bearing pins 8 are coaxial in pairs and, insofar as they are on the same landing gear plate 7 are axially parallel to each other.
- deep groove ball bearings 9 is a roller on each of the journals 8 11 rotatable with a tread 12 and a flange 13 stored.
- the mounted on the right chassis plate 7 Rollers 11 have a flange with external teeth 14 into which a pinion is not illustrated Travel motor engages around the trolley 2 to move along the rail 3.
- connection of the two landing gear shields 7 happens with the help of two cross members 15 in the form of cylindrical Bolts with threads at their free ends are, on which nuts 16 are screwed.
- On the cylindrical bolts sit between the two landing gear shields 7 a total of three spacers 17 to the distance to be able to adjust between the landing gear shields 7.
- the two holding plates 18 are smooth steel plates with holes, which are kept at a distance from the middle spacer 17 are. They serve to connect the chassis 2 with the chain hoist 4.
- a counter pressure roller 24 which is adjustable in height Carriage 25 is rotatably mounted.
- the Counter pressure roller 24 acts with the underside of the running rail 3 together to prevent the trolley 2 from tipping over.
- the storage and type of preload of such counter pressure rollers are known and therefore need to be discussed here in detail not to be described.
- the left end has a downward extension 26, in which four through holes aligned in pairs 27 are included.
- the axes of the through holes 27 are parallel to the axes of rotation of the impellers 11.
- two through holes 27 are aligned in pairs together.
- All through bores 27 lie in one plane, which is parallel to the axes of rotation of the impellers 11 and which is aligned obliquely to the vertical, such that this level is upward from the perpendicular increasingly divergent.
- Chain hoist 4 in a horizontal longitudinal section shown, based on the normal position of use.
- Chain hoist 4 includes a drive motor 31, one in a gear housing 32 included spur gear 33, one Chain sprocket 34, which is located in a chain sprocket housing 35 rotates, as well as an electrical connection box 36.
- the motor 31 is an asynchronous motor with a field winding 37, which in a motor housing 38th is inserted.
- the motor housing 38 is cup-shaped, in such a way that an approximately cylindrical one, with cooling fins providing side wall assembly 39 with an end wall 41 is integrally connected.
- the motor housing 38 closed with a back cover 44.
- ball bearings 45 and 46 are included, in which an armature shaft 47 is rotatably mounted.
- the armature shaft 47 is sufficient through the end wall 41 into the gear housing 32 and there forms a pinion 48.
- the back cover 44 in turn provides a housing represents a friction brake acting on the armature shaft 47 49.
- the friction brake 49 includes an annular one Brake release magnet 51 and a rotationally fixed with the armature shaft 47 connected brake disc 52. With the help of a further shown spring device, the brake 49 in Brake position preloaded and with the help of the electromagnet 51 released.
- a fan wheel 53 protruding shaft stub of the armature shaft 47 .
- the cup-shaped shape of the back cover 44 protrudes beyond the fan wheel 53 and the so formed Opening is closed by a lid 54, which is radial protrudes beyond the motor housing 38 and an extension 55 forms.
- the length that extension 55 cantilevered corresponds to the depth of the electrical connection box is located directly next to the motor housing 38.
- the back cover 44 together with the extension 55 has one Dimension measured perpendicular to the plane of the drawing that corresponds to the Diameter of the motor housing 38 corresponds.
- the gear housing 32 is a two-shell construction, consisting of a first housing shell 56, the the motor housing 38 adjoins and a second housing shell 57.
- the first housing shell 56 has a largely flat, serving as mounting surface floor 58 and one around Edge of this mounting surface 58 surrounding, self-contained Sidewall assembly 59 on. Your edge 61 lies in one Level.
- the base or mounting surface 58 is from the perspective of Motors 31 approximately rectangular.
- the housing shell 57 is congruent with the housing shell 55 and also from an approximately flat floor 61 and an open sidewall assembly integrally molded thereon 62 formed. Sidewall assembly 62 ends an edge 63 which in the assembled state on the edge 61 lies on.
- the connecting screws to hold the Housing shells 56, 57 are not shown.
- the intermediate waves 64, 65 and the output shaft 66 are to the armature shaft 47 axially parallel and in corresponding structures in the Figure shown, but not explained further, are rotatable stored.
- the intermediate shaft 64 rotatably carries a spur gear 67, which meshes with the pinion 48 stands.
- the intermediate shaft 64 forms next to the spur gear 67 a pinion 68 with a gear 69 of the intermediate shaft 65 combs.
- This gear 69 is via an overload slip clutch 71 coupled to the intermediate shaft 65.
- the overload slip clutch 71 consists of two in a known manner friction discs connected non-rotatably to the intermediate shaft 65 72 and 73, which by means of an unrecognizable Compression spring pressed against the flat sides of the spur gear 69 to create a frictional connection to the To produce intermediate shaft 65.
- the intermediate shaft forms 65, a pinion 74 with a spur gear 75 combs.
- the spur gear 75 is rotationally fixed to the output shaft 66 connected.
- the output shaft 66 is on its rear End with the help of a deep groove ball bearing 76 next the bottom 61 of the second housing shell 57 mounted. you other end is in a deep groove ball bearing 77, which in a bearing seat 78 is received, which is in the mounting surface 58 is located. Its free end 79 faces outwards beyond the mounting surface 58 and carries on the protruding End of chain lock 34.
- This annular groove 81 concentrically surrounds the bearing seat 78.
- a shaft seal 82 which is next to the ball bearing 77 is arranged, the output shaft 66 seals against the Interior of the gear housing 32 from.
- the chain sprocket 34 is designed in a known manner and has several chain pockets for the lying chain links and a circumferential groove 83 for the standing chain links. It has a profile toothing 84 rotatably connected to the output shaft 66 and axially secured by means of a snap ring 85.
- Both the drive motor 31 and the chain sprocket housing 35 are on the outside of the mounting surface 58 flanged.
- the chain sprocket housing 35 is located here in the space between the electrical connection box 36, the Drive motor 31 and the mounting surface 58.
- the chain sprocket housing 35 is a one-piece casting made of a high-strength material that in the broadest sense, for example is cuboid. It is made of two parallel to each other Flat side surfaces 87 and 88 and four narrow side surfaces 89, 91, 92 and 93 limited.
- the flat side surfaces 87 and 88 are essentially flat, smooth surfaces. From the Flat side surface 88 is a tubular, cylindrical Extension 94 in one piece, which is designed so that it practically free of play in the annular groove 81 fits in.
- the clear width of the bore 95 is chosen so that the outside cylindrical sprocket 34 with little radial play (1 to 5 mm gap width).
- the chain guide channel 99 forms an arc of a circle curved sliding surface 101 on its narrow side 89 remote side.
- the chain guide channels 98, 99 are intended to ensure that the links of the round link chain 5 without twisting in the chain sprocket 34 run in.
- the slot 97 forms a gap with a gap width that is slightly narrower than the width of the groove 83 and thus corresponding groove in the chain guide channels 98, 99 corresponds. This creates a raised contact surface 102. This extends from hole 95 to the narrow side 89.
- the support surface 102 defines a plane that is rectangular the axis of rotation of the chain sprocket 34 and thus also the Output shaft 66 intersects.
- the concave narrow side 106 extends in a known manner except for a small gap from the bottom of the groove 83 into this groove 83.
- the narrow sides 107 and 108 are designed in such a way that the chain guide channels 98 and 99 in those areas close almost completely, in which these in the area of the area defined by the contact surface 102 Pass over slot.
- the chain ejector 105 is with the Support surface 102, which can be seen in plan view in FIG. 1 is congruent.
- the chain ejector 105 in the chain sprocket housing 35 to fix contains two cross holes 109. These cross holes 109 are congruent with the threaded bores 104, if the chain ejector 105 is on the right one constructively provided location. Then it will Allen screws, not shown, from the bore sections 103 turned to the chain ejector 105 on the support surface 102 to screw tight.
- the through holes 111 have of the side adjacent to the flat side surface 88 larger diameter, which is sufficient to accommodate adapter sleeves 112.
- the fitting sleeves 112 stand when they are in the through hole 111 inserted from the flat side surface 88 are about this and reach into corresponding ones cylindrical holes in it that are in the mounting surface 58 are formed. Because of the nature of the cut they are not recognizable in the figures. Through the holes 111 and the fitting sleeves 112 pass fastening screws through, screwed into the blind holes in the mounting surface 58 are.
- the tab 113 contains a through hole 117, the with a through hole 118 of the same diameter in the tab 114 is aligned.
- the axes of these through holes 117 and 118 are parallel to the axis of the bore 95.
- the tab 115 contains another through hole 119, which has a through hole 121 in the tab 116 flees. These through bores 119, 121 are also closed the axis of the bore 95 axially parallel.
- the distance between the bores 118 and 119 corresponds to one another the distance between the through holes 27 in the holding plates 18th
- the bolts 122 and 123 are the only links between the chain hoist 4 and the trolley 2. All between the trolley 2 and the chain hoist 4 effective forces over the chain sprocket housing 35 initiated in the chain hoist 4. Because, as above, explained that caused by the transverse forces Forces on the chain sprocket housing 35, the output shaft and the narrow ring between the groove 81 and the deep groove ball bearing 77 limit, the gear housing 32 does not need to have high strength.
- the chain guide channel 98 shows, as can be seen in FIG. 1 leaves, tangential to the deflection chain sprocket 19, in such a way that its extension between the left crossbar 15 (Fig. 1) and the chain link 19 runs through.
- the end the load strand of the chain 5 emerging from the chain nut housing 35 runs on the underside of the chain hoist 4 adjacent Cross member 15 over and rises between the two cross members 15 upwards in the direction of the running rail 3 high.
- Above the center of the two cross members 15 is the chain 5 with the aid of the guide chain follower 19 downwards redirected.
- Fig. 1 a two-strand version is shown. It goes without saying that a single strand Execution in the same way is possible, simply by doing that Chain end no longer at 23, but fixed in the load hook becomes.
- a worn one Chain nut 34 can be changed without the chain hoist 4 from to have to dismantle the trolley 2.
- the chain sprocket housing 35 can be used as shown in Fig. 5. So much for this chain sprocket housing 35 parts already described, they are provided with the same reference number and are not described again.
- the chain sprocket housing contains in the narrow side 92 a rectangular opening 131 that up to the bore 95 is sufficient. It also penetrates the chain guide groove 96.
- the width of the rectangular opening 131 corresponds approximately to the width of a chain pocket on the Chain sprocket 34.
- the length of the opening in the circumferential direction of the Chain sprocket 34 seen corresponds to a circumferential length of approx. 100 ° central angle.
- This extension 133 fills the opening 131 completely out and he has a that at the bottom Profile of the inner wall of the bore 95 complementary profile, i.e. the groove 96 continues in the extension 33.
- the cover 132 is fastened with the aid several Allen screws 134, which are through stepped holes 135 pass through in the cover 132. They are in threaded blind holes 136 of the chain sprocket housing 35 screwed.
- the chain hoist 4 described can also be used in conjunction can be used with so-called long cats, as shown in Fig. 6 reveals.
- one Beam 141 two beams 142 and 143 screwed.
- the carrier 143 stores the deflection chain sprocket 19 already described, while the bracket 142 is provided for attaching the chain hoist 4 is.
- the connection of the chain hoist 4 to the carrier 141 again happens with the help of the tabs 113 ... 116 of the Chain nut housing 35.
- the fastening means is formed by tabs, 7 protruding from the chain sprocket housing 35 an embodiment in which the fastening means of simple threaded bores 151 are formed, which are the places where in the previous embodiments the tabs 113 ... 116 are formed.
- the fasteners in the form of the threaded blind holes 151 are advantageous if the counterpart on which the chain hoist 4 is to be attached, one parallel to the Narrow side surface 89 has extending flange surface 152, as can be seen in Fig. 7.
- the tabs 113 ... 116 allow a connection to the front a plate without flanges on that plate beforehand to have to provide.
- a chain hoist for a trolley has a gear on, which is provided with a mounting surface. On the mounting surface are the drive motor and a chain sprocket housing flanged.
- the chain sprocket housing consists of a high-strength Material and is on the side where the Chain load exits, provided with fasteners, which serve to close the chain hoist with the trolley connect. This limits the flow of force like he does caused by transverse forces on the chain sprocket housing and the areas between the chain sprocket and the transmission output shaft.
- the other housing parts are free of lateral forces. As a result of this attachment is considerable Weight saving possible.
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Abstract
Description
Claims (24)
- Kettenzug (4) insbesondere zur Anbringung an einem Katzfahrwerk (2),mit einem Antriebsmotor (31),mit einem Getriebegehäuse (32), das eine Montagefläche (58) zum Anflanschen aufweist, in dem ein Getriebe (33) enthalten ist, dessen eine Kettennuss (34) tragende Ausgangswelle (66) aus der Montagefläche (58) auskragt,mit einem an das Getriebegehäuse (32) angeflanschten Kettennussgehäuse (35), daseine Montagefläche (88) zum Anflanschen an das Getriebegehäuse (32),einen zu der Montagefläche (88) hin offenen Innenraum (95), in dem sich die Kettennuss (34) befindet,eine Gehäusefläche (89) mit der Austrittsseite für ein Lasttrum einer Kette (5),eine Gehäusefläche (91) mit der Austrittsseite für ein Leertrum der Kette (5),zwei Kettenführungskanäle (98,99), von denen der eine (98) aus dem Innenraum (95) zu der Gehäusefläche (89) mit der Austrittsseite des Lasttrums und der andere (99) aus dem Innenraum (95) zu der Gehäusefläche (91) mit der Austrittsseite des Leertrums führt, sowiean seiner Gehäusefläche (89) mit der Austrittsseite für das Lasttrum Befestigungsmittel (13..116;151) aufweist, die mit dem Kettennussgehäuse (35) einstückig sind und mittels derer der Kettenzug (4) mit dem Katzfahrwerk (2) verbindbar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Getriebegehäuse (32) in seiner Montagefläche (58) eine die Ausgangswelle (66) konzentrisch umgebende ringförmig verlaufende Nut (81) enthält und das Kettennussgehäuse (35) auf seiner Montagefläche (88) eine ringförmig verlaufende Rippe (94) trägt, die montierten Zustand in der Nut (81) steckt.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass Kettennussgehäuse (35) aus einem festen Material besteht.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass Kettennussgehäuse (35) quer zu der Drehachse der Kettennuss (34) ungeteilt ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Kettennussgehäuse (35) auf seiner der Gehäusefläche (89) mit der Austrittsseite für das Lasttrum gegenüber liegenden Gehäuseseite (92) eine Inspektionsöffnung (131) für die Kettennuss (34) enthält, in der ein Deckel (132) sitzt, dessen dem Innenraum (95) zugekehrte Seite (133) ein Kettenführungsprofil (96) aufweist, über das sich das Kettenführungsprofil (96) der Kettenführungskanäle (98,99) fortsetzt.
- Kettenzug nach Anspruch 5, dadurch gekennzeichnet, dass das Kettenführungsprofil (96) des Deckels (132) sich über einen Umfangswinkel von ≤ 140° erstreckt.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die Kettenführungskanäle (98,99) einen Winkel von ≥25° miteinander einschließen.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der das Leertrum führende Kettenführungskanal (99) im montierten Zustand eine nach unten gerichtete Komponente aufweist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die Gehäusefläche (89) mit der Austrittseite des Lasttrums im rechten Winkel zu der Montagefläche (88) verläuft.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Kettenführungskanal (99) für das Leertrum in jenem Bereich in dem er die Kette (5) vollständig umschließt kürzer ist als es der über Alles gemessenen Länge eines Kettenglieds entspricht.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass Kettennussgehäuse (35) einen Kettenauswerfer (105) enthält, der sich zwischen den Kettenführungskanälen (98,99) befindet und von der Gehäusefläche (89) mit der Austrittseite des Lasttrums her in das Kettennussgehäuse (35) einsetzbar und demontierbar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass Kettennussgehäuse (35) einstückig ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Innenraum (95) des Kettennussgehäuses (35) auf seiner von dem Getriebegehäuse (32) abliegenden Seite offen ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die ersten Befestigungsmittel (113..116;151) von wenigstens einem Fortsatz (113..116) an dem Kettennussgehäuse (35) gebildet ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die ersten Befestigungsmittel (113..116;151) beidseits des Kettenführungskanals (98) angeordnet sind, der das Lasttrum enthält.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass zu den ersten Befestigungsmittel (113..116;151) insgesamt vier Laschen (113..116) gehören, die mit dem Kettennussgehäuse (35) einstückig sind.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass zu den ersten Befestigungsmittel (113..116;151) insgesamt vier Bohrungen (151) gehören, die in dem Kettennussgehäuse (35) enthalten und achsparallel sind.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die Gehäusefläche (89) mit der Austrittsseite des Lasttrums schräg verlaufend mit dem Katzfahrwerk (2) verbunden ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass sich im Gebrauchszustand das Kettennussgehäuse (35) unterhalb des Antriebsmotors (31) befindet.
- Katzfahrwerk für den Kettenzug nach einem oder mehreren der Ansprüche 1 bis 19, dadurch gekennzeichnet, dass das Katzfahrwerk (2) zwei voneinander beabstandete Fahrwerksschilde (7) aufweist, an denen Laufräder (11) drehbar gelagert sind und die über wenigstens eine Quertraverse (15) miteinander verbunden sind, und dass an der wenigstens einen Quertraverse (15) zwei Tragplatten (18) befestigt sind, die Befestigungsmittel (27) zum Anbringen des Kettenzugs (4) aufweisen.
- Katzfahrwerk nach Anspruch 20, dadurch gekennzeichnet, dass die Tragplatten (18) als Befestigungsmittel (27) Durchgangsöffnungen enthalten, deren Achsen parallel zu den Drehachsen der Laufräder (11) liegen.
- Katzfahrwerk nach Anspruch 20, dadurch gekennzeichnet, dass zwischen den Tragplatten (18) eine Umlenkkettennuss (19) frei drehbar gelagert ist.
- Katzfahrwerk nach Anspruch 20, dadurch gekennzeichnet, dass zwischen den Tragplatten (18) wenigsten eine Gegendruckrolle (24) drehbar gelagert ist, um ein Abheben von Laufrädern (11) von einer zugehörigen Fahrschiene (3) infolge des Gewichts des Kettenzugs (4) zu verhindern, wenn an dem Kettenzug (4) keine Last hängt.
- Katzfahrwerk nach Anspruch 20, dadurch gekennzeichnet, dass das Lasttrum der Kette (5) im Bereich zwischen der Umlenkkettennuss (19) und dem Kettennussgehäuse (35) zwischen der Quertraverse (15) und der Umlenkkettennuss (19) hindurchführt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19849995 | 1998-10-30 | ||
DE19849995A DE19849995A1 (de) | 1998-10-30 | 1998-10-30 | Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe |
Publications (2)
Publication Number | Publication Date |
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EP0997429A1 true EP0997429A1 (de) | 2000-05-03 |
EP0997429B1 EP0997429B1 (de) | 2003-09-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP99120593A Expired - Lifetime EP0997429B1 (de) | 1998-10-30 | 1999-10-16 | Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe |
Country Status (2)
Country | Link |
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EP (1) | EP0997429B1 (de) |
DE (2) | DE19849995A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112573368A (zh) * | 2020-12-23 | 2021-03-30 | 浙江双鸟机械有限公司 | 风电专用小转弯四轮双小车组合式环链电动葫芦 |
SE2050763A1 (en) * | 2020-06-25 | 2021-12-26 | Svero Lifting Ab | Compact and portable lifting arrangement, conversion kit for a lifting arrangement, and a method to assemble such conversion kit |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19817013C2 (de) * | 1998-04-17 | 2000-08-31 | Stahl R Foerdertech Gmbh | Kettenzug |
DE10335984B4 (de) * | 2003-08-01 | 2005-09-22 | Demag Cranes & Components Gmbh | Kettenzug |
DE102019118225B3 (de) * | 2019-07-05 | 2020-10-01 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Kettenantriebssystem |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3710331A1 (de) * | 1987-03-28 | 1988-10-13 | Stahl R Foerdertech Gmbh | Elektrokettenzug |
DE4321758A1 (de) * | 1993-06-30 | 1995-01-12 | Stahl R Foerdertech Gmbh | Einschienenhängekatze mit niedriger Bauhöhe und kurzen Anfahrmaßen |
EP0758623A1 (de) * | 1995-08-14 | 1997-02-19 | MANNESMANN Aktiengesellschaft | Hebezeug, das mit einem Zugmittel betrieben ist |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3911292A1 (de) * | 1989-04-04 | 1990-10-11 | Mannesmann Ag | Kompakthebezeug |
DE19817013C2 (de) * | 1998-04-17 | 2000-08-31 | Stahl R Foerdertech Gmbh | Kettenzug |
-
1998
- 1998-10-30 DE DE19849995A patent/DE19849995A1/de not_active Ceased
-
1999
- 1999-10-16 EP EP99120593A patent/EP0997429B1/de not_active Expired - Lifetime
- 1999-10-16 DE DE59906934T patent/DE59906934D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3710331A1 (de) * | 1987-03-28 | 1988-10-13 | Stahl R Foerdertech Gmbh | Elektrokettenzug |
DE4321758A1 (de) * | 1993-06-30 | 1995-01-12 | Stahl R Foerdertech Gmbh | Einschienenhängekatze mit niedriger Bauhöhe und kurzen Anfahrmaßen |
EP0758623A1 (de) * | 1995-08-14 | 1997-02-19 | MANNESMANN Aktiengesellschaft | Hebezeug, das mit einem Zugmittel betrieben ist |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE2050763A1 (en) * | 2020-06-25 | 2021-12-26 | Svero Lifting Ab | Compact and portable lifting arrangement, conversion kit for a lifting arrangement, and a method to assemble such conversion kit |
SE544420C2 (en) * | 2020-06-25 | 2022-05-17 | Svero Lifting Ab | Compact and portable lifting arrangement, conversion kit for a lifting arrangement, and a method to assemble such conversion kit |
CN112573368A (zh) * | 2020-12-23 | 2021-03-30 | 浙江双鸟机械有限公司 | 风电专用小转弯四轮双小车组合式环链电动葫芦 |
Also Published As
Publication number | Publication date |
---|---|
DE19849995A1 (de) | 2000-05-11 |
EP0997429B1 (de) | 2003-09-10 |
DE59906934D1 (de) | 2003-10-16 |
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