EP0950632A2 - Kettenzug - Google Patents
Kettenzug Download PDFInfo
- Publication number
- EP0950632A2 EP0950632A2 EP99107130A EP99107130A EP0950632A2 EP 0950632 A2 EP0950632 A2 EP 0950632A2 EP 99107130 A EP99107130 A EP 99107130A EP 99107130 A EP99107130 A EP 99107130A EP 0950632 A2 EP0950632 A2 EP 0950632A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- chain
- housing
- hoist according
- chain hoist
- chain sprocket
- 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
-
- 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
- DE-A-195 30 891 shows a chain hoist consisting of from an engine, one housed in a gearbox Gearbox and a chain sprocket housing that on the Gearbox is flanged. Chain sprocket housing and motor are on the same side of the gearbox.
- the chain sprocket housing has an interior, in which the sprocket turns on the gearbox output shaft is on the fly. On the gearbox opposite side is the interior for the chain sprocket closed with a lid.
- the chain sprocket housing itself is in two parts and consists of two housing halves, which run along a parting line are joined together, which are perpendicular to the axis of rotation of the Chain nut runs.
- the required chain ejector inserted, with a fastening screw for screwing the chain sprocket housing onto the gear housing through the chain sprocket ejector.
- Each half of the housing consists of a perforated metal plate, which is encapsulated with plastic. On the metal plates The chain hoist housing can be suspended from the chain hoist become.
- the known construction is only suitable for chain hoists with low load capacity.
- the originating from the hook load Power must go from the chain sprocket to the gearbox, in which the output shaft is mounted, in the chain sprocket housing be initiated. Since this is critical Places made of plastic can only be small Powers are removed.
- the longitudinal division also leads to the hook load essentially only over that housing half in the Suspension for the chain hoist is initiated, which the Gearbox housing is closest adjacent.
- the other Half of the housing is only because of the smooth joint connected frictionally and will with appropriate Shift the load relative to the other half of the housing.
- the chain sprocket housing Made of a solid material that has an immediate suspension on the chain sprocket housing. With that you find the suspension in immediate extension or in immediate Near the axis along which the hook force occurs. They are useful for balancing the chain hoist no additional weights required.
- the chain hoist is located due to the design-related mass distribution and the position of the suspension in a spatial position in which the The chain does not come from the guide parts of the chain follower housing grazes.
- the chain ejector is from below in the Chain sprocket housing inserted. He can without dismantling the Chain sprocket housing or its removal from the gear housing get extended. After removing the chain ejector is with the appropriate design of the chain sprocket housing an inspection or removal of the chain sprocket easily possible.
- the gearbox is made of a less rigid material.
- the chain ejector can be found in the bottom of the Insert the opening or slot contained in the chain nut housing. To increase the strength in this area is the opening contained in the bottom through a web divided into two sections.
- the chain ejector has in this case the shape of a fork and overlaps in the inserted Condition with its two legs this bridge.
- the chain ejector is attached very much simply with the help of one contained in the chain sprocket housing Threaded hole into one through the chain ejector through screw is screwed.
- the suspension point is located at the the chain hoist is in balance on another Set as in when using the same chain hoist in two-leg version.
- the suspension point shifts itself in a plane that is on the axis of rotation of the chain sprocket is vertical. It wanders from a point that is vertical above the chain exit point at the single-strand Execution is at a point between the Point of departure of the chain from the chain sprocket and the Fastening point of the tied chain end is located.
- These two points are usually quite close together and result from the diameter of the chain sprocket in the bottom bottle. The close proximity makes it difficult it to provide two sufficiently firm attachment points.
- a first fastener is provided while a second and a third on the chain sprocket housing Fasteners are.
- the second and the third Fasteners are on different seen from above Sides of the axis of the output shaft and have a distance from each other that is equal to the distance between the engine-side fastener and the closest one adjacent fasteners of the chain sprocket housing is.
- Very simple fasteners can be attached to the relevant Housing-designed tabs with cross holes be with the appropriate tabs on the suspension work together. These tabs can, if necessary Longitudinal direction, i.e. transverse to the axis of rotation of the output shaft be grooved to achieve good power transmission.
- the weight of a chain hoist is especially when it is designed for loads of up to five tons, not insignificant.
- An electric junction box can handle these forces quite damaging.
- the chain hoist according to the invention with one the cover provided for the motor or a protective plate, which protrudes over the engine, so between the protrusion of this cover and the chain sprocket housing largely protected space is created in which the electrical box is attached.
- This also has the advantage that the space requirement becomes small.
- the electrical connection box not only mechanically, but also simply electrically connected to the engine.
- a very inspection-friendly connection exists in a hinge connection between the electrical connection box and the motor housing or the side Protective cover.
- gearbox for a kit of gear pairs designed. Without changing the gearbox shape or the bearings contained in it are replaced by others Gear pairs changed the gear ratio.
- the variety can be increased if the armature shaft of the motor is provided with a hole in which a shaft provided with a pinion can be used in a rotationally fixed manner is.
- a chain hoist 1 is in a horizontal Longitudinal section shown, related to the normal position of use.
- a chain drive 1 includes a drive motor 2, a spur gear transmission contained in a transmission housing 3 4, a chain sprocket 5, which is in a chain sprocket housing 6 rotates, as well as an electrical connection box 7.
- Motor 2 is an asynchronous motor with a field winding 10, which is in a motor housing 8 is inserted.
- the motor housing 8 is cup-shaped in such a way that an approximately cylindrical one, with cooling fins provided side wall assembly 9 with an end wall 11 is integrally connected.
- the end wall 11 has one outward protuberance 12 on a bearing seat contains for a deep groove ball bearing 13 inserted therein.
- the motor housing 8 With help the two deep groove ball bearings 13 and 15 is a squirrel-cage rotor 16, the rotationally fixed on an armature shaft 17 sits, stored.
- the armature shaft 17 stands up towards the right the gear housing 3 in front and there contains a longitudinal bore 18, in which a shaft 19 is pressed, on its protruding end carries a pinion 21.
- the back cover 14 is in turn a housing for a friction brake acting on the armature shaft 17 22.
- the friction brake 22 includes an annular one Brake release magnet 23 and one with the armature shaft 17 rotatably connected brake disc 24. With the help of a not further shown spring device is the brake in the Brake position preloaded and with the help of the electromagnet 23 vented against the effect.
- the back cover 14 On the back cover 14 is an approximately cup-shaped collar 26 integrally formed, which extends beyond the fan wheel 25.
- the opening bounded by the collar 26 is one Cover 27 closed, one radially over the motor housing 8 protruding extension 28 forms.
- the Extension 28 of the back cover 27 has a height, measured perpendicular to the drawing plane of Fig. 1, that of the thickness of the motor housing 8, measured in the same direction, corresponds.
- the lateral protrusion over the motor housing 8 is dimensioned so that it is connected to the electrical connection box next to it 7 is congruent.
- the gear housing 3 is a two-shell construction, consisting of a first housing shell 31 and a second housing shell 32.
- the first housing shell 31 has a largely flat, serving as a mounting surface Floor 33 and one around the edge of this mounting surface 33 circumferential, self-contained side wall arrangement 34 on. Its edge 35 lies in one plane.
- the base or mounting surface 33 is from the point of view of the motor 2 approximately rectangular.
- the housing shell is congruent with the housing shell 31 32, which also consists of a bottom 36 and a there is integrally molded side wall assembly 37.
- the side wall arrangement 37 ends at an edge 38, which is also on one level. When assembled butt the two edges 35 and 38 largely sealed on each other.
- the fastening screws for screwing together of the two housing shells 31 and 32 are clear omitted for the sake of it.
- the transmission 4 is a three-stage spur gear transmission with two intermediate shafts 39 and 41 as well an output shaft 42.
- first intermediate shaft 39 are on the inside of the bottoms 33, 36 of the two Housing shells 31 and 32 cup-shaped aligned with each other Bearing seats 43 and 44 formed on the inside of the housing open and in which deep groove ball bearings 45 and 46 sit.
- the first intermediate shaft 39 In the deep groove ball bearings 45 and 46 is the first intermediate shaft 39 with the help of recognizable in the drawing End spigot. In this way, it is axially parallel rotatably mounted to the motor shaft 17.
- On it is a with the pinion 21 meshing gear 47 and rotatably arranged it also carries a further pinion 48 in one piece.
- the remote second intermediate shaft 41 arranged.
- This second intermediate shaft 41 is on the inside of the bottom 33 of the housing shell 31 also a cup-shaped Molded-in bearing seat 49 with a bearing seat bore 51 is aligned in the housing base 36.
- This Bearing seat bore 51 contains a deep groove ball bearing 52 while another roller bearing 53 in the cup-shaped bearing seat 49 is.
- this safety slip clutch 56 is not the subject of the invention, it suffices to mention at the point that the disc-shaped gear 55 between two plates biased against each other by means of a spring is held, of which at least one rotatably with the second intermediate shaft 41 is connected. With help of a adjustment member accessible from the outside via the bearing bore 51 the slip torque can be adjusted. After The bearing bore 51 is adjusted by means of a cover 57 closed.
- the last wave seen in the direction of power flow of the transmission 4 is the output shaft 42, for its storage a cup-shaped on the inside of the housing base 36
- Seat 58 is integrally formed in the interior of the gear housing protrudes. It accommodates a deep groove ball bearing 59.
- a bearing bore is aligned with the cup-shaped bearing seat 58 61 in the housing base 33.
- the bearing bore 61 outwards from a radially inward projecting Ring shoulder 62 limited, which is also a cylindrical Limited opening in which a shaft seal 63 is arranged is.
- the output shaft 42 is with its rear rear end in the deep groove ball bearing 59 and performs a deep groove ball bearing 64, which is arranged in the bearing seat 61 is through the housing base 33 and thus that of the Housing bottom 33 formed mounting surface to the outside.
- the output shaft 42 is inside the housing 3 rotatably coupled with an output gear 65, the with constantly combs the pinion 54.
- the housing base 33 contains on its outside an annular groove 66 with a rectangular cross section, which leads to the Bearing seat 61 is concentric and has a rectangular cross section with a flat groove bottom. It surrounds the Bearing seat 61 and protrudes so far inwards that the Bearing seat 61 almost over its entire axial extent is surrounded by the annular groove 66.
- Fig. 2 shows the closed assembled perspective Gear housing 3 with the molded in the housing base 33 Ring groove 66.
- the output shaft stands out of the housing base 33 42 with a stub 67 before that on his Provide free end with a profile toothing 68 is.
- a profile shown in Fig. 68 1 shown snap ring groove 69, which is used as a seat for a snap ring 70 is used (FIG. 1).
- the chain sprocket housing 6 is a one-piece casting made of a high-strength material, which in the broadest sense is about is cuboid. It is made of two parallel to each other Flat side surfaces 76 and 78 and four narrow side surfaces 79, 81, 82 and 83 limited.
- a tubular one cylindrical extension 84 formed of a rectangular Has cross section.
- the extension 84 is to the annular groove 66 complementary, as can be seen in FIG. 1, the Extension 84 fits into the annular groove 66 with little play and also almost complete in terms of depth fills out. It is thereby achieved that the bearing seat 61 by means of the tubular extension 84, which, like that remaining chain nut housing 6 made of a high-strength material exists, the bearing seat 61 bandaged from the outside as it were.
- the radial forces emanating from the chain sprocket 5 are practically immediately in the chain sprocket 6th initiated.
- the deformation of the housing base 3 in the area the bearing seat 61 can thereby be kept low. Accordingly, it is possible to remove the gear housing 3 a light, less strong material or comparatively to be able to manufacture very thin walls.
- the clear width of the bore section 86 is so chosen that the outside cylindrical chain sprocket 5 with little Fit (1-5 mm gap width).
- a shallow slot 89 into the chain sprocket housing 6 traverses to bore 85.
- the Slot 89 is divided into two sections by a web 91.
- the slot 89 forms Cross-section cross-shaped chain guide channels 92 and 93, which open tangentially into the bore section 86 and align with the chain guide groove 88.
- the chain guide channels 92 and 93 are supposed to ensure that the limbs the round link chain 74 without twisting in the chain sprocket 5 break in.
- the position of the chain guide channels 92 and 93 relative to the chain sprocket 5 is known and results otherwise from the sectional views according to FIG. 5 and 6.
- the wall of the Slot 89 is basically similar and designed the bearing surface 95 parallel. There is a difference however, in that the opposite of the threaded blind bore 96 Area contains a recess 80 which at flat side surface 78 begins and extends to slot 89 enough. In the extension at right angles it covers the bearing surface 95, while the height, measured from the Bottom 81 extends to the web 91.
- the part of the surface defined by the contact surface 95 Slot 89 serves to receive a chain ejector 97, whose thickness in a known manner the width of the groove 75 in the chain sprocket 5 corresponds to it with its free End can extend into this groove 75.
- the chain ejector 97 is a U-shaped, flat one Part with two mutually parallel legs 98 and 99, which are integrally connected to one another via a back part 101 are. Extends between the two legs 98 and 99 a slot 102, the width of the width of the Corresponds to web 91. Remote from the back part 101 Form free ends 103 and 104 of the two legs 98 and 99 a section of a cylindrical surface with a Radius of curvature slightly larger than the inside diameter corresponds to the groove 75 in the chain sprocket 5.
- the relation between the chain ejector 97 and the chain sprocket 5 shows the sectional view in FIGS. 5 and 6. From these Figures shows how the chain ejector 97 in the Groove of the chain sprocket 5 penetrates.
- the chain ejector 97 in the chain sprocket housing 6 to fix contains a cross hole in a back part 101 105, which, when the slot 102 abuts the web 91, aligned with the threaded blind bore 96. Then he can screwed into a screw, not shown, around the Fix chain ejector 97.
- a sideways swivel, i.e. a movement in the circumferential direction, based on the passing chain sprocket 5 is in the interaction between the mounting screw and the one spaced therefrom Bridge 91 in connection with the slot 102 prevented.
- the two through bores 106 and 107 have adjacent to the flat side surface 76, an enlarged Diameter for receiving a fitting sleeve 109 through which a respective fastening screw, not shown, passes through.
- the pass sleeve 109 is inserted with little play the expanded section of the through hole concerned 106 or 107 and extends into the housing base 33, which is why the threaded blind bore 108 has a section correspondingly large diameter is upstream.
- a cantilever arm 115 On the opposite narrow side surface 82 formed below a cantilever arm 115, in which the Bottom 81 continues.
- This arm 115 is on his Free end with a slot 116 and also leads to the slot 116, which in the direction of the Slot 89 shows a transverse bore 117 through. Because of the slot 116 creates two mutually parallel Leg 118.
- the arm 115 is used in the two-strand Execution as anchoring point for the bound end the round link chain 74. The distance is accordingly the bore 117 selected by the chain guide channel 92 so that it has the diameter of a chain sprocket in a bottom block 119 (Fig. 6) is compatible.
- the motor housing 8 is next to it End face 11 is provided with a free tab 121.
- the tab 121 is created by the rectangular there Housing profile with two grooves running to the side 122 and 123 is provided. Form these grooves 122 and 123 a section of a cylindrical surface. It remains one approximately triangular tab 121 in cross section, such as it can be seen in Fig. 5. This tab 121 is flanked of two more tabs 124 and 125, the same Have cross-sectional shape.
- the position of the tab 121, based on the end face 11, is chosen so that when the engine 2 is connected to the gearbox 3 is flanged, the tab 121 with the groove in the chain sprocket 5 is aligned.
- Tabs 121, 124 and 125 are with through holes 126 aligned with one another provided that are parallel to the armature shaft 17.
- the tabs 121, 124 and 125 form a first fastening means the chain hoist 1.
- the second fastening means 127 are from that Corner at which the narrow side surface 82 with the narrow side surface 83 collides, a total of three tabs 129, 131 and 132. They are parallel from each other in the direction equally spaced from the axis of rotation of the chain sprocket 5, wherein the middle tab 131 is somewhat thicker than the two side tabs 129 and 132.
- the middle tab 131 is aligned in the assembled state with respect to its longitudinal extent with the tab 121 on the motor housing 8 while the side tabs 129, 132 and those in between grooves defined with tab 131 with tabs 122 and 125 or the grooves 122, 123 formed therebetween swear.
- tabs 134, 135 and 136 are available as third fastener 128 from the chain sprocket housing 5 at the point where the flat side surface 83 in the flat side surface 79 merges.
- the thickness of the tabs 134, 135 and 136 correspond with the tabs 121, 124 and 125 of the motor housing 8 and also the grooves between the tabs 134 and 135 and 135 and 136 corresponds to the width of the grooves 122, 123 of the motor housing 8. Grooves and tabs of the third fastener 128 are aligned with the grooves 122, 123 and the tabs 121, 124 and 125 of the motor housing 8.
- the second can be found Fasteners 127 next to the motor housing 8 while the third fastener 128 on that of the motor housing 8 remote side are arranged.
- the distance between holes 133 and 137 is the same size as the distance between the holes 126 and the holes 133.
- the suspension means 141 consists of a bracket 142, on the top of which a hook 143 is formed.
- the coat hanger 142 includes one parallel to the drawing plane of FIG. 5 running groove, which is designed so that the bracket 142nd fits over the tab 131, 135 or 121.
- Across the Bracket 142 has a first bore 144 adjacent one end as well as a second hole next to the other side end 145. The distance between these holes 144, 145 corresponds the distance between the holes 137, 133 and 133, 126.
- 5 is the single-strand version of the chain hoist 1 illustrates.
- Leertrum 146, the with an additional counterweight or end stop 148 is complained and usually in the not illustrated Chain store runs depends on the drive motor 3 remote side of the chain sprocket 5 down.
- the load strand 147 runs between the chain sprocket 5 and the drive motor 3 from the sprocket 5.
- In order to the load strand is near the bore 133 of the Chain sprocket housing 6, but not immediately below, if it is assumed that the chain guide channels 92 and 93 lead vertically downwards in the chain sprocket housing 6. In this position there are holes 137 and 126 on a common horizontal level.
- the hook 143 is at such a point on the bracket 142 attached that the highest point of his hook mouth 149 in the single-strand version directly in the vertical extension of the load axis leading upwards the load strand 147 is arranged when the bracket 142, such shown in Fig. 5 is attached. In this position aligns its mounting hole 145 with the mounting hole 133 in tabs 129, 131 and 132 while the mounting hole 144 on the holes 137 in the Tabs 134, 135, 136 is aligned. By appropriate Bolts in these aligned holes are inserted, the bracket on the chain sprocket housing 6 attached.
- the force exerted by the load hanging on the chain 75 is exercised, flying over the chain sprocket 5 stored shaft end 67 transmitted and from there to initiated a large part in the ball bearing 64. From here the power flow goes through the bearing seat 61 and there relatively thin wall directly in the tubular Extension 84 of the chain sprocket housing 6. From there it goes over the two fasteners 127 and 128 in the positively connected bracket 142 of the Suspension device 141 initiated. The hanging device 141 transmits the force to the hook 143 Building structure.
- the gear housing 3 largely free of transverse forces in this arrangement, resulting from the load hanging on the chain 74.
- the forces flow only in the immediate vicinity of the Ball bearing 64 through the gear housing 3. Accordingly it can be comparatively weak or consist of a light metal.
- the rest of the Gear housing 3 is practically free of forces.
- Fig. 6 illustrates the two-strand design.
- the empty run 146 of the chain runs 74, as in the single-strand version, by the Chain guide channel 93 into the chain sprocket housing 6.
- the Chain 74 leads around the sprocket 5 and emerges from the Chain guide channel 92 and forms a first there Lasttrum 151.
- the Lasttrum 151 runs to a lower hook block 119, in which a loosely rotatable chain sprocket is stored is.
- the load strand 151 leads around so that a second ascending load strand 152 arises.
- the last Chain link of this second load strand 152 is in the Slot 116 of arm 115 and is there by means of a pin, which leads through the bore 117, anchored.
- the location the bore 117 is selected so that the two load strand sections 151 and 152 run parallel to each other.
- the main advantage of the arrangement shown is in that for the single-stranded and the double-stranded Execution only one suspension means 141 ready depending on the design of the chain hoist 1 mounted either according to FIG. 5 or according to FIG. 6 becomes. In both cases, the majority runs from the hook load outgoing force on the chain sprocket housing 6, in In the case of single-stranded execution exclusively and in In the case of the two-strand version, approx. 85% accordingly the position of the hook jaw 149.
- the electrical connection box 7 is essentially one cuboid, openable housing with an upper Sidewall 162, a lower sidewall 163, one outside lying side wall 164 and an inner, the Motor housing 8 adjacent side wall 165 and two end faces 166 and 167.
- the end face 166 is the gear housing 3 facing and the end face 167 of the cover 27 or its extension 28.
- the height of the electrical connection box 7, measured between corresponds to the upper and lower side walls 162, 163 the height of the motor housing 8, measured in the same Direction.
- a hinge 168 To attach the electrical connection box 7 to the Motor housing 8 is a hinge 168, of which a hinge strap 169 on the underside of the motor housing 8 and another hinge strap 171 with the lower side wall 163 is connected.
- the hinge strap 163 can be in one piece Be part of the lower side wall 163 because the electrical connection box 7 with regard to the required electrical insulation consists of molded plastic parts.
- the two hinge tabs 169 and 171 are through a hinge pin 172 connected together, the Axis is parallel to the armature shaft 17.
- the electrical connection between the electrical connection box 7 and the electronic and electromechanical components and the motor 2 as well the brake 22 is done via coupling and separable connectors 173 and 174.
- the electrical connector 174 sits in the motor housing 8 or alternatively also in the Housing section 26 in which the brake 22 is housed is. Electrical connection lines (not shown) lead from there to the field winding 10 or the electromagnet 23.
- the Seal can be a round cord or inserted in a groove be an O-ring seal that compresses when closed becomes.
- Labyrinth seal that prevents water from entering, on the other hand, the ventilation through the gap the labyrinth seal ensures that within the The resulting condensate can escape to the outside can.
- the labyrinth seal is shown schematically by a rib 177 indicated on the outer wall of the engine case 8 is formed and in a corresponding groove in the Engages outside of the inner side wall 175.
- the chain hoist described is very simple carry out the proper inspection without to require prior detachment.
- the bore section 86 is cylindrical and leads without changing the cross-section through the flat side surface 78 through, with a pulling off the chain sprocket 5 in None in the way towards the viewer of Fig. 8 stands. Under certain circumstances, this can be done with a facility be provided for attaching a puller.
- the removed chain sprocket 5 can now be completely removed inspect and if necessary, when the wear has grown too large, will be replaced or will the dismantled chain sprocket in the reverse order 5 reinstalled.
- a cable similar to the connecting cable 178, be used, that at both ends via screw terminals is connected, which is in the motor 3 or in the Electrical connection box 7 are located.
- the replacement of the connectors 173, 174 through a permanently installed connection cable makes the need for sealing not necessary, since the cable entry is sufficient anyway is sealed.
- An electric chain hoist has a gearbox, an electric motor and a chain sprocket housing on the same side are flanged.
- the chain sprocket housing is there made of a high-strength material and is directly with the Hanging device for the chain hoist connected. Thereby is the weight of the load in the single-strand version almost bypassing the gearbox into the suspension device initiated and in the double-strand version only a small part of the hook load runs over it Gear housing.
- the chain sprocket housing is a one-piece part, whereby the strength becomes very high. At the bottom is a slot leading into the interior, which both the chain guide channels also form a receiving space for a plug-in and removable chain ejector.
- the chain ejector can be removed disassembly and inspection of the chain sprocket without Remove the chain hoist.
- the electrical connection box is hinged to the motor, so that he too during the inspection with the chain hoist remains mechanically connected.
- the electrical connection happens through cables or connectors.
- To the Protection of the electrical connection box is a cover of the motor housing accordingly extended laterally.
- the shafts are arranged within the gearbox in such a way that by simply changing the bearing seats Exchange of gear shafts and gears different Translation levels can be realized.
- the electric chain hoist is thus designed as a kit.
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- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
113,9 | 142,9 | 76,2 | 59,1 | 47,8 | 28,8 | |
21 | 9 | 11 | 19 | 23 | 27 | 38 |
47 | 58 | 89 | 82 | 77 | 73 | 62 |
48 | 15 | 15 | 15 | 15 | 15 | 15 |
55 | 65 | 65 | 65 | 65 | 65 | 65 |
54 | 13 | 13 | 13 | 13 | 13 | 13 |
65 | 53 | 53 | 53 | 53 | 53 | 53 |
Claims (42)
- Kettenzug (1)mit einem Antriebsmotor (2), der ein Motorgehäuse (8) mit einer Stirnseite (11) aufweist, aus der eine Ankerwelle (17) auskragt,mit einem Getriebegehäuse (3), das eine Montagefläche (33) zum Anflanschen aufweist und in dem ein Getriebe (4) enthalten ist, dessen eine Kettennuss (5) tragende Ausgangswelle (42) aus der Montagefläche (33) auskragt,mit einem an des Getriebegehäuse (3) angeflanschten Kettennussgehäuse (6),das aus einem festen Material besteht,eine Montagefläche (76) zum Anflanschen an das Getriebegehäuse (3) sowieeine im Winkel zu der Montagefläche (76) verlaufende Unterseite (81) aufweist,das einen zu der Montagefläche (76) hin offenen Innenraum (85) für die Kettennuss (5) sowiewenigstens eine von der Unterseite (81) zu dem Innenraum (85) führende Öffnung (89) für den Durchtritt einer Kette (74) enthält unddas mit Mitteln (127,128) zur Anbringung einer Aufhängung (141) versehen ist, undmit einem Kettenauswerfer (97), der von der Unterseite (81) her in das Kettennussgehäuse (6) einsetzbar und demontierbar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Getriebegehäuse (3) aus einem weniger festen Material besteht als das Kettennussgehäuse (6).
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Kettennußgehäuse (6) frei von einer Trennfläche ist, die parallel zu der Montagefläche (76) verläuft.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Kettennussgehäuse (6) einstückig und unteilbar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Kettennussgehäuse (6) auf seiner Montagefläche (76) einen zylindrischen rohrförmigen Fortsatz (84) trägt und dass in dem Getriebegehäuse (3) eine zylindrische Ringnut (66) enthalten ist, in die im montierten Zustand der zylindrische rohrförmige Fortsatz (84) spielfrei hineinpasst.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die Ausgangswelle (42) des Getriebes (4) in einem Lager (64) gelagert ist und dass sich das Lager (64) zumindest mit einem axialen Abschnitt innerhalb des von der Ringnut (66) umgrenzten Bereiches befindet.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Innenraum (85) in dem Kettennussgehäuse (6) auf der von der Montageseite (76) abliegenden Seite des Kettennussgehäuses (6) offen ist, derart, dass durch diese Öffnung die Kettennuss (5) ausbaubar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Innenraum (85) für die Kettennuss (5) eine zylindrische Bohrung (85) ist.
- Kettenzug nach Anspruch 8, dadurch gekennzeichnet, dass die zylindrische Bohrung (85) zu dem zylindrischen rohrförmigen Fortsatz (84) konzentrisch ist.
- Kettenzug nach Anspruch 8, dadurch gekennzeichnet, dass die zylindrische Bohrung (85), die den Innenraum bildet, durch das Kettennussgehäuse (6) hindurchführt.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass in dem Innenraum (85) eine Kettenführungsnut (88) enthalten ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die Kettennuss (5) auf der Ausgangswelle (42) fliegend gelagert ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Kettenauswerfer (97) in der in der Unterseite (81) befindlichen Öffnung (89) sitzt.
- Kettenzug nach Anspruch 13, dadurch gekennzeichnet, dass die auf der Unterseite (81) befindliche Öffnung (89) durch einen Steg (91) in zwei Öffnugnsabschnitte unterteilt ist.
- Kettenzug nach Anspruch 13, dadurch gekennzeichnet, dass der Kettenauswerfer (97) gegabelt ist und im eingesetzten Zustand den die Öffnung (89) in der Unterseite (81) unterteilenden Steg (91) übergreift.
- Kettenzug nach Anspruch 13, dadurch gekennzeichnet, dass der Kettenauswerfer (97) zur Befestigung an dem Kettennussgehäuse (6) eine Querbohrung (105) enthält, die bei montiertem Kettenauswerfer (97) mit einem Gewindeloch (96) in dem Kettennussgehäuse (6) fluchtet, und dass das Kettennussgehäuse (6) auf der dem Gewindeloch (96) gegenüberliegenden Seite ausgenommen ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Kettennussgehäuse (6) an seiner Unterseite (81) eine Befestigungseinrichtung (115) für das gefesselte Ende einer Kette (74) bei einer zweisträngigen Ausführung aufweist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Motorgehäuse (8) an seiner Oberseite wenigstens ein erstes Befestigungsmittel (121) aufweist, an der ein Aufhängemittel (141) zum Aufhängen des Kettenzugs (1) anbringbar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass das Kettennussgehäuse (6) an seiner Oberseite (83) wenigstens ein zweites Befestigungsmittel (127,128) aufweist, an dem ein Aufhängemittel (141) zum Aufhängen des Kettenzugs (1) anbringbar ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass die an der Oberseite (83) des Kettennussgehäuses (6) ein drittes Befestigungsmittel (127,128) vorhanden ist, wobei der Abstand zwischen der ersten (121) und der zweiten (128) Befestigungsmittel gleich dem Abstand zwischen der zweiten (127) und der dritten (128) Befestigungsmittel ist.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Motor (2) und das Kettennussgehäuse (6) auf derselben Seite des Getriebegehäuses (3) angeflanscht sind.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass der Motor (2) an seinem von der Stirnseite (11) mit der auskragenden Ankerwelle (17) abliegenden Seite mit einem Deckel (27) versehen ist, der seitlich über das Motorgehäuse (8) übersteht und dessen Fläche im Wesentlichen mit der Querschnittsfläche des Getriebegehäuses (3) übereinstimmt, die parallel zu der Montagefläche (33) des Getriebegehäuses (3) verläuft.
- Kettenzug nach Anspruch 1, dadurch gekennzeichnet, dass zwischen dem Kettennussgehäuse (6) und dem an dem Motor (2) befestigten Deckel (27) ein Raum gebildet ist, in dem sich ein Elektroanschlusskasten (7) befindet.
- Kettenzug ()mit einem Antriebsmotor (2), der ein Motorgehäuse (8) mit einer Stirnseite (11) aufweist, aus der eine Ankerwelle (17) auskragt und an dem ein erstes Befestigungsmittel (121) vorgesehen ist,mit einem Getriebegehäuse (3), das eine Montagefläche (33) zum Anflanschen aufweist, in dem ein Getriebe (4) enthalten ist, dessen eine Kettennuss (5) tragende Ausgangswelle (42) aus der Montagefläche (33) auskragt,mit einem an das Getriebegehäuse (3) angeflanschten Kettennussgehäuse (6), daseine Montagefläche (76) zum Anflanschen an das Getriebegehäuse (3) sowieeinen zu der Montagefläche (76) hin offenen Innenraum (85) für die Kettennuss (5) aufweist unddas an seiner Oberseite (83) ein zweites und ein drittes Befestigungsmittel (127,128) vorhanden ist, das von dem zweiten Befestigungsmittel (127) bezüglich einer Vertikaleben beabstandet ist, die die Getriebeausgangswelle (42) enthält, wobei der Abstand zwischen dem zweiten und dem dritten Befestigungsmittel (127,128) genau so groß ist, wie zwischen dem zweiten und dem ersten Befestigungsmittel (121,128) an dem Motorgehäuse (8), undmit einem Aufhängemittel (141), das wahlweise mit dem ersten und dem zweiten Befestigungsmittel (121,127) oder dem zweiten und dem dritten Befestigungsmittel (127,128) verbindbar ist.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass das erste und das dritte Befestigungsmittel (121,128) hinsichtlich ihrer Gestalt gleich sind.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass das erste, das zweite und das dritte Befestigungsmittel (121,127,128) von jeweils wenigstens einer Lasche (121,131,135) gebildet ist, die rechtwinklig zu der Achse der Getriebeausgangswelle (42) aus dem Motorgehäuse (8) bzw. dem Kettennussgehäuse (6) vorsteht und eine Bohrung (126,133,137) enthält, die parallel zu der Achse der Getriebeausgangswelle (42) ausgerichtet ist.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass der Durchmesser der Bohrung (133) des zweiten Befestigungsmittels (127) größer ist als die Bohrung (126, 137) bei dem ersten und dem dritten Befestigungsmittel (121,128).
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass das zweite Befestigungsmittel (127) bezogen auf eine Horizontalebene, zwischen der Getriebeausgangswelle (42) und der Motorwelle (17) liegt.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass die drei Befestigungsmittel (121,127,128) in einer gmeinsamen Vertikalebene liegen.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass die Befestigungsmittel (121,127,128) derart angeordnet sind, dass die Belastung durch eine an der Kette (74) hängenden Last unabhängig davon, ob es sich um eine einoder um eine zweisträngige Ausführung handelt, die Kraft an dem zweiten Befestigungsmittel (127) größer ist als die Kraft an dem ersten oder dem dritten Befestigungsmittel (121,128).
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass die Laschen (121,131,135) durch Nuten (122,123), die quer zu der Achse der Getriebeausgangswelle (42) verlaufen, in wenigstens zwei Laschenabschnitte unterteilt sind.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass das dritte Befestigungsmittel (128) auf derjenigen Seite des Kettennussgehäuses (6) angeordnet ist, die von dem Motorgehäuse (8) abliegt.
- Kettenzug nach Anspruch 24, dadurch gekennzeichnet, dass das erste Befestigungsmittel (121) auf jener Seite des Motorgehäuses (8) angeordnet ist, die von dem Kettenussgehäuse (6) abliegt.
- Kettenzug (1)mit einem Antriebsmotor (2), der ein Motorgehäuse (8) mit einer Stirnseite (11) aufweist, aus der eine Ankerwelle (17) auskragt,mit einem Getriebegehäuse (3), das eine Montagefläche zum Anflanschen aufweist und in dem ein Getriebe (4) enthalten ist, dessen eine Kettennuss (5) tragende Ausgangswelle (42) aus der Montagefläche (33) auskragt,mit einem an des Getriebegehäuse (3) angeflanschten Kettennussgehäuse (6),das eine Montagefläche (76) zum Anflanschen an das Getriebegehäuse (3) aufweist,das einen zu der Montagefläche (76) hin offenen Innenraum (85) für die Kettennuss (5) unddas wenigstens eine von der Unterseite (81) zu dem Innenraum (85) führende Öffnung (89) für den Durchtritt einer Kette (74) enthält,mit einem an dem Motorgehäuse (8) angebrachten Deckel (27), der an der von der Stirnseite (11) mit der auskragenden Ankerwelle (17) abliegenden Seite vorhanden ist, der seitlich über das Motorgehäuse (8) übersteht und dessen Fläche im Wesentlichen mit der Querschnittsfläche des Getriebegehäuses (3) übereinstimmt, die parallel zu der Montagefläche des Getriebegehäuses (3) verläuft, undmit einem Elektroanschlusskasten (7), der zwischen dem Deckel und dem Kettennussgehäuse (6) angeordnet ist.
- Kettenzug nach Anspruch 34, dadurch gekennzeichnet, dass der Elektroanschlusskasten (7) über eine Steckverbindung (173,174) mit dem Motor (2) verbindbar ist.
- Kettenzug nach Anspruch 34, dadurch gekennzeichnet, dass der Elektroanschlusskasten (7) über ein Kabel mit dem Motor (2) verbindbar ist.
- Kettenzug nach Anspruch 34, dadurch gekennzeichnet, das der Elektronschlusskasten (7) an dem Motorgehäuse (8) anscharniert ist.
- Kettenzug nach Anspruch 34, dadurch gekennzeichnet, das der Elektronschlusskasten (7) an dem Motorgehäuse (8) angeschraubt ist.
- Kettenzug nach Anspruch 34, dadurch gekennzeichnet, dass der Elektroanschlusskasten (7) an dem seitlich überstehenden Deckel (27) anscharniert ist.
- Kettenzug nach Anspruch 34, dadurch gekennzeichnet, dass der Elektroanschlusskasten (7) an dem Motorgehäuse (8) anscharniert ist.
- Kettenzug (1)mit einem Antriebsmotor (2), der ein Motorgehäuse (8) mit einer Stirnseite (11) aufweist, aus der eine Ankerwelle (17) auskragt,mit einem Getriebegehäuse (4), das eine Montagefläche (33) zum Anflanschen aufweist und in dem ein Getriebe (4) enthalten ist, dessen eine Kettennuss (5) tragende Ausgangswelle (42) aus der Montagefläche (33) auskragt und das wenigstens eine Getriebestufe enthält, wobei für das Getriebe (4) unterschiedliche Zahnradpaare vorgesehen sind, um ohne Änderung an dem Getriebegehäuse (3) unterschiedliche Übersetzungsverhältnisse zu realisieren.
- Kettenzug nach Anspruch 41, dadurch gekennzeichnet, dass die Ankerwelle (17) eine Längsbohrung (18) enthält, in die eine ein Ritzel (21) tragende Welle (19) drehfest eingesetzt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19817013A DE19817013C2 (de) | 1998-04-17 | 1998-04-17 | Kettenzug |
DE19817013 | 1998-04-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0950632A2 true EP0950632A2 (de) | 1999-10-20 |
EP0950632A3 EP0950632A3 (de) | 2003-05-07 |
EP0950632B1 EP0950632B1 (de) | 2005-02-16 |
Family
ID=7864811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99107130A Expired - Lifetime EP0950632B1 (de) | 1998-04-17 | 1999-04-13 | Kettenzug |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0950632B1 (de) |
DE (2) | DE19817013C2 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1400484A1 (de) * | 2002-09-23 | 2004-03-24 | Demag Cranes & Components GmbH | Kettenzug |
CN108285102A (zh) * | 2018-03-02 | 2018-07-17 | 浙江永天机电制造有限公司 | 单双链可切换的环链电动葫芦 |
EP4292973A3 (de) * | 2021-09-23 | 2024-03-13 | Pewag Austria GmbH | Doppelkettenrad und kettenzug mit doppelkettenrad |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19849995A1 (de) * | 1998-10-30 | 2000-05-11 | Stahl R Foerdertech Gmbh | Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe |
DE102004034589B3 (de) * | 2004-07-16 | 2006-01-05 | Demag Cranes & Components Gmbh | Kettenzug |
DE102004040180A1 (de) * | 2004-08-18 | 2006-02-23 | R. Stahl Fördertechnik GmbH | Hebezeug mit Dehnungssensor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0284807A2 (de) * | 1987-03-28 | 1988-10-05 | R. Stahl Fördertechnik GmbH | Elektrozug |
DE3710331A1 (de) * | 1987-03-28 | 1988-10-13 | Stahl R Foerdertech Gmbh | Elektrokettenzug |
EP0692447A1 (de) * | 1994-07-15 | 1996-01-17 | Javier Amenabar Axpe | Hebezeug |
DE19530891A1 (de) * | 1995-08-14 | 1997-02-20 | Mannesmann Ag | Hebezeug, das mit einem Zugmittel betrieben wird |
DE19849995A1 (de) * | 1998-10-30 | 2000-05-11 | Stahl R Foerdertech Gmbh | Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe |
DE19849693A1 (de) * | 1998-10-28 | 2000-05-11 | Stahl R Foerdertech Gmbh | Kettenzug mit Aufhängung am Kettennussgehäuse |
-
1998
- 1998-04-17 DE DE19817013A patent/DE19817013C2/de not_active Expired - Fee Related
-
1999
- 1999-04-13 DE DE59911628T patent/DE59911628D1/de not_active Expired - Lifetime
- 1999-04-13 EP EP99107130A patent/EP0950632B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0284807A2 (de) * | 1987-03-28 | 1988-10-05 | R. Stahl Fördertechnik GmbH | Elektrozug |
DE3710331A1 (de) * | 1987-03-28 | 1988-10-13 | Stahl R Foerdertech Gmbh | Elektrokettenzug |
EP0692447A1 (de) * | 1994-07-15 | 1996-01-17 | Javier Amenabar Axpe | Hebezeug |
DE19530891A1 (de) * | 1995-08-14 | 1997-02-20 | Mannesmann Ag | Hebezeug, das mit einem Zugmittel betrieben wird |
DE19849693A1 (de) * | 1998-10-28 | 2000-05-11 | Stahl R Foerdertech Gmbh | Kettenzug mit Aufhängung am Kettennussgehäuse |
DE19849995A1 (de) * | 1998-10-30 | 2000-05-11 | Stahl R Foerdertech Gmbh | Hebezeug für Einschienenhängekatze mit niedriger Bauhöhe |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1400484A1 (de) * | 2002-09-23 | 2004-03-24 | Demag Cranes & Components GmbH | Kettenzug |
US6964409B2 (en) | 2002-09-23 | 2005-11-15 | Demag Cranes & Components Gmbh | Chain block |
CN108285102A (zh) * | 2018-03-02 | 2018-07-17 | 浙江永天机电制造有限公司 | 单双链可切换的环链电动葫芦 |
EP4292973A3 (de) * | 2021-09-23 | 2024-03-13 | Pewag Austria GmbH | Doppelkettenrad und kettenzug mit doppelkettenrad |
Also Published As
Publication number | Publication date |
---|---|
DE19817013A1 (de) | 1999-10-28 |
DE19817013C2 (de) | 2000-08-31 |
EP0950632B1 (de) | 2005-02-16 |
DE59911628D1 (de) | 2005-03-24 |
EP0950632A3 (de) | 2003-05-07 |
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