WO2013023743A1 - Kupplungsvorichtung, insbesondere für industrieanwendungen - Google Patents
Kupplungsvorichtung, insbesondere für industrieanwendungen Download PDFInfo
- Publication number
- WO2013023743A1 WO2013023743A1 PCT/EP2012/003263 EP2012003263W WO2013023743A1 WO 2013023743 A1 WO2013023743 A1 WO 2013023743A1 EP 2012003263 W EP2012003263 W EP 2012003263W WO 2013023743 A1 WO2013023743 A1 WO 2013023743A1
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- WIPO (PCT)
- Prior art keywords
- coupling
- coupling part
- tabs
- coupling device
- shoes
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/60—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising pushing or pulling links attached to both parts
- F16D3/62—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising pushing or pulling links attached to both parts the links or their attachments being elastic
Definitions
- Coupling device in particular for industrial applications
- the present invention relates to a coupling device, in particular for industrial applications or heavy duty vehicles, for the torque-transmitting connection of two shaft sections.
- first coupling part for coupling to a first shaft portion
- second coupling part for coupling to a second shaft portion
- first coupling part has a plurality of coupling projections arranged at regular angular intervals about a central axis of the first coupling part, which are arranged in at least two coupling planes orthogonal to the central axis of the first coupling part
- second coupling part has a corresponding number of at regular angular intervals about a central axis of the has at least two orthogonal to the central axis of the second coupling part coupling planes or define at least two orthogonal to the central axis of the second coupling part coupling planes
- in the idle state of the coupling device at least two coupling levels of the first coupling part with at least two coupling levels of the second Clutch parts essentially coincide
- the two coupling parts so to speak mesh with each other, wherein the coupling projections are arranged in the at least two coupling levels. Even if it comes to the failure of each or all coupling tabs, the two coupling parts engage each other like a tooth and can be brought into direct contact with each other after overcoming a rotational play, so that a direct torque transmission between the one coupling part and the other coupling part. So it is impossible that in case of failure, the two coupling parts rotatably coupled from each other and it can lead to a massive malfunction.
- the present invention by the possibility of a direct torque-transmitting coupling of the two coupling parts an emergency operating state with direct torque transmission between the two coupling parts possible if the coupling tabs fail.
- the coupling device according to the present invention can be adjusted as needed to the application and the mechanical stresses occurring.
- the clutch is equipped with correspondingly fewer coupling levels or there are correspondingly fewer coupling straps used.
- the coupling device according to the invention dimensions of couplings, which offer a very high reliability, ie which are designed so that even in the case of failure of individual coupling straps still a sufficiently secure torque transmission is possible.
- the life of the coupling device can be increased because the individual coupling tabs are less heavily loaded or even in case of failure of individual coupling tabs, the remaining coupling tabs sufficient to ensure a safe torque transmission in use of the coupling device according to the invention.
- coupling straps can be interpreted differently.
- coupling straps are used in which thread inserts are incorporated in an elastomeric body, which wind around clutch sockets.
- Such coupling straps are known from the prior art. The applicant itself develops and distributes such coupling tabs for a long time.
- a further development of the invention provides that the coupling straps are connected to transmit power by means of fastening bolts with the coupling projections. It is possible that the fastening bolts extend substantially orthogonal to the first and / or second coupling plane. Alternatively, it is also possible that the fastening bolts are arranged in the radial direction.
- each fastening bolt connects only one coupling tab with a corresponding coupling part.
- the present invention provides that the fastening bolts each fix a plurality of coupling straps on the coupling part. This makes it possible to achieve a construction with a reduced number of parts, wherein the fastening bolts can be arranged such that they are uniformly loaded over their length, for example on both sides of a fixation in the corresponding coupling part.
- the coupling projections are formed by coupling shoes, which are formed as separate components and arranged at regular angular intervals about the central axis of the first coupling part and / or on the second coupling part.
- the attachment of coupling shoes to the coupling parts offers the possibility of a modular structure.
- the coupling parts are relatively simple circular or in the form of a polygonal plate and then attached as needed and design of the coupling device a desired number of coupling shoes for power transmitting coupling of the two coupling parts and coupled with coupling tabs.
- the coupling shoes each have a radially inner mounting portion, with which they are attached to the first coupling part and / or on the second coupling part.
- the attachment portion is fork-shaped, and for securing the respective coupling shoe, a radially inner component substantially engages positively or engages in this.
- the radially inner component can directly be the respectively assigned coupling part.
- a connecting member is arranged, with its radially inner region on the respective coupling part and with its radially outer region on the attachment portion of the respective coupling shoe is appropriate.
- the modular design of the coupling device according to the invention not only offers the advantage that, depending on the design of the clutch, a corresponding number of coupling projections, in particular clutch shoes, can be used.
- the coupling shoes and / or the connecting components can be attached, as required, to different axial positions with respect to the respective coupling part.
- the coupling tabs can be arranged as required at different radial levels, which increases, for example, in a radially outer arrangement the available space on the radially outer periphery and so allows that a larger number of coupling tabs for power transmission is available.
- it can also be changed by the elasticity of the entire arrangement, for example, if necessary
- Coupling projections used with longer radial extent and correspondingly greater elasticity in the circumferential direction can be further provided according to the invention that these recesses have, in each of which at least one coupling tab is received force transmitting. It is possible that in each recess at least two coupling tabs force transmitting, preferably spread parallel to each other or in the radial direction, are added. If the spread arrangement of two coupling straps is used in one embodiment, this means that the two spread coupling straps are fastened in the respective coupling shoe via one and the same pin, but extend in different angles starting from the coupling shoe in the radial direction.
- a complementary arrangement of spread coupling tabs on the opposite coupling shoe of the other coupling part leads to a total rhombic arrangement of four coupling tabs, which are then connected at their mutually facing ends to transmit power.
- a connecting member is arranged, which is designed to couple the spread ends of the coupling tabs at different radial levels.
- the connecting member has recesses in which the spread ends of the coupling straps are receivable.
- the recesses of the connecting member receive the spread ends of the coupling tabs directed according to their spread and geometry.
- the force-transmitting connection is preferably achieved in that the connecting member is penetrated for force-transmitting attachment of the ends of the coupling tabs in the axial direction of at least two bolts.
- connection link has two bearing elements which are arranged to be movable relative to each other and via an elastically deformable rubber layer or other pressure or tension spring against the action of a spring force to each other deflectable, in particular towards each other, are.
- the clutch can be made somewhat softer in use and the elastically deformable connecting member can be used as an additional vibration use damper.
- a further embodiment variant of the invention provides that at least one of the first and second coupling part comprises a first coupling body having a plurality of coupling arms extending radially from a central portion and a second coupling body having a plurality of coupling arms extending radially from a central portion, the two Coupling body are firmly connected or connectable at its central portion.
- the coupling body may be provided, for example, star-shaped with three, four, five or more coupling arms.
- each coupling plane is assigned in each case to a coupling body.
- the connection of the two coupling body in the central portion can be effected in that they are welded together, screwed or riveted or each individually connected via a toothing with the shaft portion.
- the first coupling body is formed substantially planar and that the second coupling part, starting from its central portion from the plane of the central portion out running coupling arms.
- the coupling arms of the two coupling bodies are arranged at an axial distance from each other. If a corresponding second coupling part provided with a corresponding coupling body, it is possible that then hineinerrown the arms of the two coupling body in the respective levels of the coupling body of the first coupling part and so the two coinciding coupling planes are achieved.
- a larger number of coupling bodies per coupling part is used, for example, to provide the ability to attach more coupling straps or provide additional coupling levels for torque-transmitting coupling of the two coupling parts.
- a development of the invention provides that the first coupling part and the second coupling part are arranged at rest in such angular offset from one another that the coupling arms of the first coupling part and the coupling arms of the second coupling part are arranged alternately successively at regular angular intervals. As indicated above, so grip the two coupling parts like a toothed one another. However, a rotational play is provided between the two coupling parts, in particular between the coupling arms, which determines the effective range of the coupling straps.
- the coupling tabs act depending on the characteristic in a known manner vibration damping for torque transmission. They usually behave progressively, that is, the damping decreases with increasing stress, so they become harder with increasing stretch.
- the rotational play between the two coupling parts can be dimensioned so that it finally comes at maximum intended load of the coupling tabs to a mutual mechanical system of first and second coupling part, from the time of mutual contact then a rotational play free torque transmission between the first coupling part and the second coupling part takes place.
- an alternative embodiment of the invention provides that the coupling projections are formed by coupling fins extending in the direction of the longitudinal axis, to which coupling shoes can be attached in at least two planes at regular angular intervals about the central axis of the respective coupling part.
- the coupling projections are formed by coupling fins extending in the direction of the longitudinal axis, to which coupling shoes can be attached in at least two planes at regular angular intervals about the central axis of the respective coupling part.
- the coupling fins each have receiving slots which are opened in the radial direction and into which the coupling shoes can be inserted in a substantially form-fitting manner.
- the positive fit already results in relatively good torque transmission properties, which are further improved by the fact that the coupling shoes are additionally fixed to the coupling fins, for example by screwing or welding.
- the coupling fins are connected to each other via connecting segments extending in the circumferential direction.
- the rigidity of the respective coupling part of this embodiment is further increased.
- the connecting segments support the coupling fins in the circumferential direction against a bending load.
- the connecting segments have on their outer circumference in the middle region at least one recess for circumferential play receiving a corresponding coupling fin of the complementary coupling part.
- a predetermined game can be set in the circumferential direction, this game is dimensioned.
- the play of the two coupling parts in the circumferential direction can thus be predetermined. If a certain maximum deflection of the coupling tabs is achieved, then the two coupling parts abut each other in such a way that the coupling fins of the first coupling part come into contact with a corresponding contact surface of the recess in the connecting segment of the other coupling part. The same can be done vice versa for the coupling fins of the second
- Coupling part can be provided with respect to the recesses in the connecting segments of the first coupling part. This makes it possible to achieve a mutual contact of the two coupling parts via respective coupling fins and connecting segments, which finally leads to a direct torque transmission from the first coupling part to the second coupling part when reaching the maximum deflection of the coupling lug.
- each support bracket can counteract a bending load of the individual coupling fins in the axial direction, in particular when the coupling fins are formed in the axial direction with a relatively large length. This can then be the case if in the axial direction at each individual Kupplungsfinne a plurality of receiving slots is provided for the positive reception of the coupling shoes.
- a development of the invention provides that the coupling fins extend into the central portion of the coupling device.
- the coupling fins for example, be welded directly to a shaft portion which is fixed in the central region of the respective coupling part.
- the coupling fins are arranged at regular angular intervals on an outer peripheral portion of a clutch disc of a respective coupling part, preferably attached thereto, wherein between two adjacent coupling fins one and the same clutch disc of a coupling part in each case a recess for circumferential play receiving an intermediate Clutch fin of the other coupling part is provided.
- a clutch disc is used. This has on its outer circumference appropriate provisions, such as recesses into which then the coupling fins are inserted and can be fixed by welding or screwing.
- This embodiment shows the particular advantage of the present invention, namely the modular structure with the ability to install more or less coupling fins as needed, or provide as needed coupling fins that carry a larger number of coupling shoes or a smaller number at lower load.
- a coupling device designed for transmitting larger or less large torques can be assembled according to the modular principle, without providing a complete new design each time.
- the modular design provides the ability to assemble clutch plates of various diameters with a suitable number of coupling fins, which in turn carry a suitable number of coupling shoes. In this way, optimally designed coupling parts can be assembled for the respective application.
- each support bracket are provided between the coupling fins and the clutch disc.
- the coupling fins extend substantially flush with one side of the clutch disc in the axial direction. This makes it possible to design the coupling device according to the invention more compact and provide as few protruding parts. Alternatively, it is possible that the coupling fins are on both sides in the axial direction beyond the clutch disc. This makes it possible to provide a more uniform distribution of force on the coupling disc in the axial direction.
- the fastening bolts can be inserted in closed receiving openings in the coupling shoes in the axial direction.
- the fastening bolts are thus inserted axially into closed receiving openings.
- the fastening bolts are insertable in receiving slots in the radial direction in the coupling shoes, wherein the receiving slots are closable by means of sealing pliers which can be placed in the radial direction.
- the closure tongs for closing a plurality of the same Kupplungsfinne associated receiving slots are formed. It is possible that the locking tongs can be fixed for fixing to a coupling fin. Alternatively, it is possible that the fixing takes place by means of radial fixing bolts or by means of fixing brackets, which optionally additionally act on the outer peripheral surface of the coupling device.
- the central portion of at least one coupling part is formed with a fastening profile, preferably with a toothed profile for the torque-transmitting attachment of a shaft section.
- the central portion of at least one coupling part with an axis approach to
- Fig. 1 is a perspective view of a coupling device according to the invention according to a first embodiment of the invention
- Fig. 2 is an illustration of the first coupling part to the embodiment
- FIG 3 shows an illustration of both coupling parts and the fastening bolts with omission of the tabs to the first embodiment.
- FIG. 4 is a perspective view of a second embodiment of the coupling device according to the invention.
- Fig. 5 is an illustration of a coupling part of the second embodiment
- FIG. 6 is an illustration of two interlocking coupling parts with fastening bolts, but omitting the coupling straps.
- Fig. 7 is a perspective view of a coupling device according to a third embodiment of the invention; a spatial view of a coupling part of this third embodiment; a spatial view of a coupling part of a fourth embodiment of the invention; a spatial view of the coupling according to the fourth embodiment of the invention; an illustration of the coupling of Figure 10, but omitting the coupling tabs.
- FIG. 12 a spatial view of a clutch of a fifth embodiment of the invention; an illustration of a coupling part of the fifth embodiment of the invention; two locking tongs for the embodiment of Figure 12 in detail.
- FIG. 21 shows a further modification of the coupling of FIG. 12 in a three-dimensional representation;
- Fig. 22 is a perspective view of another embodiment of the invention.
- FIG. 23 is an enlarged view of the area encircled in FIG. 22; FIG.
- FIG. 24 is an exploded view of a coupling part according to the embodiment of FIG. 22; FIG.
- FIGS. 29 and 30 show different views of a clutch shoe according to the embodiment of FIGS. 22 and 23;
- Fig. 33 is a perspective view of another embodiment of the invention.
- FIG. 34 is an enlarged view of the area encircled in FIG. 33; FIG.
- Fig. 35 is a perspective view of another embodiment of the invention.
- FIG. 36 is an enlarged view of the area encircled in FIG. 35; FIG. and
- FIG. 37 shows a modification of the connecting web to the embodiments according to FIGS. 22-34.
- a coupling device according to the invention is shown in a perspective view and generally designated 10.
- Figures 2 and 3 show individual parts.
- the coupling device 10 comprises a first coupling part 12, which in individual parts 2 is shown, and a second coupling part 14, which is substantially identical, but mirror-inverted to the first coupling part 12 is formed.
- the first coupling part 12 has a central region 16, in which an opening 18 provided with an internal toothing is formed. It is composed of a first coupling body 20 and a second coupling body 22.
- the first coupling body 20 is substantially planar (planar) and has four radially extending arms 24, 26, 28, 30, on each of which a pair of receiving openings 32, 34 is provided.
- the second coupling body 22 also has four arms 36, 38, 40, 42, with corresponding receiving openings 44, 46.
- the second coupling body 22 is connected via a central region 48 with the central region 16 of the first coupling body 20, preferably welded. In the central region 48 of the receiving opening 18 corresponding receiving opening is provided with internal teeth. It can be seen in Fig. 2 that the lower coupling body 22 is not formed planar, but that its arms extending from the central region 48 obliquely downward and then in the radially outer region parallel to the arms 24, 26, 28, 30 extend.
- the second coupling part 14 is, as already stated above, identical to the first coupling part 12, but arranged mirror-inverted.
- the same reference numerals are used for the second coupling part 14, but adjusted with the lower case letter a.
- the two coupling parts 12 and 14 are arranged such that their arms engage and lie on two mutually parallel to the longitudinal axis L orthogonal plane El and E2.
- two fastening bolts 50, 52 pass through the overlapping openings 32, 34, 44, 46.
- FIG. 1 finally shows the assembled state, in each case three superimposed coupling tabs 54, 56, 58 each angle offset from each other arranged coupling arms of the two coupling parts 12, 14 interconnect.
- the above-described coupling tabs 54, 56, 58 thus connect the two coupling arms 38a and 28a of the coupling part 14 with the coupling arms 28 and 38 of the first coupling part 12.
- the respective coupling tabs 54, 56, 58 lie with other coupling tabs in common planes on both sides of the coupling planes El, E2, as shown in dotted lines in Figs. 1 and 3.
- the first coupling part 12 is connected to a shaft portion, which is coupled to transmit torque to a drive unit, for example a large combustion engine for industrial applications.
- the second coupling part 14 is coupled on the output side with a driven unit. If the first coupling part 12 is driven, it transmits the torque via the coupling straps under tensile load of the respective coupling straps on the second coupling part 14.
- the coupling straps can be designed so that they damp torsional vibrations and are able to be stretched in the circumferential direction to some extent become.
- the coupling tabs 54 to 58 can be made of an elastomeric material with thread insert, wherein the fastening bolts 50, 52 are received in bearing bushes which are embedded in the elastomeric material of the coupling tabs 54 - 58 and wrapped by the thread insert.
- the coupling tabs 54-58 stretch. It is possible that the extension is designed for the circumferential clearance between the two coupling parts 12 and 14, so that, starting from a certain Relatiwerwindung between the first coupling part and second coupling part in a maximum load situation, the two Clutch parts 12, 14 put together by using the circumferential clearance together and as a result an immediate torque transmission from the first coupling part 12 to the second coupling part 14 takes place. In other words, the arms move towards each other as a result of the load and under stretching of the coupling tabs (or compression, which is less relevant to the load situation) and finally abut each other, whereupon an immediate damping-free torque transmission takes place.
- FIGS. 4 to 6 show a second embodiment of the invention. To describe the second embodiment, the same reference numerals are used for similar or equivalent parts, but preceded by the numeral 1.
- both coupling parts 112, 114 are each firmly connected to a shaft portion 160, 161.
- Welded to the shaft portion 160 are four arm-like coupling fins 124, 126, 128, 130. These extend in the direction of the longitudinal axis L. They have recording Slits 162, in the plate-like coupling shoes 164 are inserted.
- the coupling shoes have attachment openings 132, 134, 144, 146, which in turn serve to receive fastening bolts 150.
- connection segments 166 which support the adjacent coupling fins in the circumferential direction against each other, are provided between two adjacent coupling fins 124, 126 etc., respectively.
- the connecting segments 166 may be welded to the coupling fins 124, 126, etc., as well as welded directly to the shaft portion 160.
- support brackets 168 are also arranged, which further stiffen the structure.
- a recess 170 with a width b is provided on its outer peripheral surface in the central region. The width b is dimensioned larger than the width d of a coupling fin (see coupling fin 128).
- FIGS. 4 to 6 shows that the coupling device according to the invention offers various modularization options.
- various coupling fins 124, 126, etc. may have two or more slots 162 for receiving at least two or more coupling shoes 164. If more coupling shoes 164 are to be provided, then the coupling fins 124, 126, etc., are correspondingly made longer in the axial direction. It is also possible to provide corresponding recesses 162 on both sides of the connecting segments 166. Also, the two coupling parts 112 and 114 need not be identical.
- Figs. 7 and 8 show a third embodiment of the invention. Again, the same reference numerals are used for the same or equivalent components, but preceded by the numeral 2.
- the first coupling part 212 comprises a coupling disk 270 with a central opening 218 around which the fastening openings 219 are arranged.
- the clutch plate 212 has a plurality of recesses 270 and a corresponding plurality of receiving portions (eg, slots) for mounting coupling fins 224 at regular angular intervals.
- Fig. 7 it can be seen that the embodiment has ten coupling fins, which are arranged at regular angular intervals on the clutch disc 212. This can also be seen again in the single part illustration according to FIG. 8 for the coupling part 212.
- the individual coupling fins 224 are formed similarly as described with reference to FIG. 5, but do not extend into the central region of the coupling part 212. They in turn each have two slots 262, the coupling shoes 232 are fitted with corresponding openings. It can be seen, however, that in each case four openings per coupling shoe 232 are provided, so that each coupling shoe 232 a larger number of coupling tabs (namely compared to the embodiment of FIG. 4 to 6 twice the number) for connecting the two coupling parts 212 and 214 attach leaves. In a plane of the coupling tabs, a total of 40 coupling tabs can be arranged in the embodiment according to FIG. Overall, the clutch 210 can be executed according to the embodiment of FIGS. 7 and 8 with a total of 120 coupling straps. Such a coupling is suitable for transmitting very large torques, as they may occur in industrial applications.
- stop function as described in the embodiment of FIG. 4 to 6 in view of the interaction of the coupling fins and the recess 170, as it is provided in the embodiment of FIGS. 7 and 8.
- a coupling device is shown, which is similar to the coupling device according to FIGS. 7 and 8, but dimensioned substantially smaller. Again, the same reference numerals are used for the same or equivalent components, but preceded by the numeral 3.
- the local clutch disc 370 has the same function as the clutch sliding 270, but only four coupling fins 324 with coupling shoes, as shown for example in the embodiment of FIG. 4 to 6, ie coupling shoes 364 with only two openings for attaching coupling tabs , Fig. 10 shows the assembled state. Again, two coupling levels are provided. A total of 24 coupling straps 354, 356, 368 were installed.
- the comparison between the embodiments according to FIGS. 7 and 8 as well as 9 and 10 reveals the modularization concept of the present invention.
- the coupling parts can be made larger or smaller or / and with more or less straps and / or with greater or lesser clearance in the circumferential direction.
- FIGS. 12 to 16 shows a similar arrangement as described with reference to FIGS. 9 to 11. Again, the same reference numerals are used for the same or equivalent components, but preceded by the numeral 4.
- each closure pliers 474 is H-shaped and has in a central region an opening 476 into which a fastening bolt can be inserted, with which the locking pliers 474 is bolted to the coupling fin 424.
- the arms are each curved and shaped so that they surround the radially outer region of the coupling shoes 464 and enclose the slots 474 after their assembly. The result is an arrangement as shown in FIGS. 12, 13, 15 and 16.
- the mounting bolts 450 are enclosed so captive.
- the embodiment according to FIGS. 12 to 16 has the advantage that a type of chain can be produced from the coupling tabs 454, 456, 458 and the coupling shoes 464, which can then be placed on the two coupling parts with the associated coupling fins and connected at a connection point , As a result, then the locking pliers are screwed on and so put the clutch in operational condition.
- This installation method can be used, for example, when there is little mounting space available.
- the embodiment according to FIGS. 12 to 16 has the advantage that individual coupling straps can be exchanged more easily than is the case with the plug-in solution according to the embodiments according to FIGS. 1 to 11.
- FIGS. 17 to 20 is similar to the embodiment of FIGS. 12 to 15. Again, the same reference numerals are used for the same or equivalent components, but preceded by the numeral 5.
- coupling fins 524 used with three slots 562 for receiving three coupling shoes 564 per Kupplungsfinne. Again, one recognizes the radially outwardly open receiving slots 572, which are closed with six-armed locking tongs 574. These have in their central web two openings 576 for fixing to the coupling shoes.
- FIG. 21 shows a coupling device according to the invention similar to the embodiment of FIG. 11 to 16. Again, the same reference numerals are used for the same or equivalent components, but preceded by the numeral 6.
- additional clip-like fixing plates 680 are provided in the central region, which are positioned via positioning pins 682 and fixed on the end faces of the respective coupling fins via further fastening bolts 684.
- the embodiment of the embodiment according to FIGS. 12 to 16 is also similar in terms of its mode of operation.
- the coupling device offers a concept for the modular design of high-performance clutches, which can be used in particular in industrial applications, but also in the heavy vehicle sector and can be designed according to requirements, in particular depending on the torque to be transmitted.
- brackets 680 can be made longer or shorter, depending on the application.
- the number of coupling tabs used can also be varied. All solutions can use more or fewer coupling tabs.
- the number of coupling tabs can be increased, for example, by the fact that each coupling shoe instead of only two four or more openings for attachment of coupling tabs are provided, as shown in the embodiment of FIG. 7.
- FIGS. 22 to 32 show an overall view as well as details and individual parts of a further embodiment of the invention.
- the coupling device is provided with the reference numeral 710. It in turn has a first coupling part 712 and a second coupling part 714, which are both arranged coaxially about the longitudinal axis L.
- Both coupling parts 712, 714 are plate-shaped and polygonal in the form of a 14-corner, as shown in detail in Figure 24.
- individual openings 719 are provided, with which the coupling part 712 can be screwed to a first shaft portion.
- five openings 721 are provided in the radially outer area of each polygon side. These openings 721 serve to attach connecting parts 724 with suitable bolts 725 to the coupling part 712 and 714, respectively. This can be seen from FIG. 22 and in detail from FIG.
- the connecting parts 724 are shown in detail in FIGS. 31 and 32, wherein FIG. 32 is a sectional view corresponding to the section line AA from FIG. It can be seen that the connecting part 724 is provided with a radially inner region 727 in the mounted state and a radially outer region 729 in the assembled state, which are connected to one another via a shoulder 731. On the side facing away from the shoulder 731, the two areas 727 and 729 are harmoniously connected to each other by a slope 733. At the radially inner section 727, the connecting part 724 penetrated by five openings 735, which are mounted in the same arrangement as the openings 721 in the respective coupling part 712 and 714 (see Figure 24). The connecting parts 724 have in their assembled state radially outer region 729 six openings 737, which serve for attachment of the coupling shoes 739.
- the coupling shoes 739 are shown in detail in FIGS. 29 and 30. They have an in the assembled state radially inner mounting portion 741 which is fork-shaped, with a first mounting jaw 743 and a solid parallel formed second second mounting jaw 745, which define a receiving space 747 between them. Both mounting jaws 743 and 745 are penetrated by six openings 749, which, as shown in section in section 30, are formed in the solid mounting jaw 745 as threaded holes.
- each coupling shoe 739 In its radially outer region in the assembled state, each coupling shoe 739 has an angle profile 751 which is provided with bearing walls 753 at its end sections and in the middle. These are penetrated by three coaxial bearing openings 755. Between two adjacent bearing walls 753 receiving areas 757 are formed.
- two adjacent coupling tabs 759, 761 are arranged, which are mounted in the respective coupling shoe 739 via a common bearing pin 763.
- two coupling tabs 759, 761 are thus provided per receiving area 757.
- the two coupling tabs 759, 761 are spread apart. They are received in a connecting member 765 with their free ends and coupled with this force-transmitting, as shown in the assembled view in Figures 22 and 23. It can also be seen in FIG. 23 that a further coupling shoe 767, which lies adjacent to the coupling shoe 739, is arranged on the coupling part 714. Also, the clutch shoe 767 is formed in accordance with the above description and receives a total of four coupling tabs, which extend in a complementary spread arrangement starting from the coupling shoe 767 to the connecting member 765 and are received in this accordingly.
- the connecting member 765 is an elongated rounded body, with a plurality of recesses 771 and 773, respectively, which extend in accordance with the diamond-shaped arrangement of the coupling tabs, and so on provide for a directed power transmission. Furthermore, it can be seen in FIGS. 25 to 28 that the connecting member 765 is penetrated by two bearing bores 775, 777 which serve to receive the bearing bolts 769.
- a stop surface 779 is provided on each rear side of each clutch shoe 767, which serves as a stop for the case in which the two coupling parts 712 and 714 are rotated relative to each other by a predetermined maximum angle range ⁇ .
- this can only take place when individual or all coupling tabs break in an extreme overload case. Even in such a situation, the coupling device 710 according to the invention remains functional insofar as torque is transmitted from the one coupling part 712 to the other coupling part 714 via the abutting contact surfaces 779 of two adjacent coupling shoes 767.
- the embodiment according to FIGS. 33 and 34 shows a modification of the coupling device 710.
- the coupling device according to FIGS. 33 and 34 is generally designated by the reference numeral 810.
- the same reference numerals are used for identical or similar components as in the coupling device 710, but increased by 100.
- the embodiment of the coupling device 810 provides that the coupling shoes 839 are arranged directly on corresponding radial projections 824 on the coupling parts 812 and 814, respectively.
- the force-transmitting coupling between the coupling part 812 or 814 and respective coupling shoe 839 by a positive connection for example, a radial cut in the projection 824 and a cut in this incision positively engaging web on the clutch shoe 839.
- a safety pin 881 is provided as a captive, however does not contribute to the transmission of force and torque.
- the arrangement of the coupling straps is identical to the arrangement described with reference to FIGS. 22 to 32.
- the coupling tabs are arranged diamond-shaped with the involvement of a connecting member 865.
- FIGS. 35 and 36 is similar to the embodiment according to FIGS. 33 and 34.
- the embodiment according to FIGS. 35 and 36 shows a modification of the coupling device 810.
- the coupling device according to FIGS. 35 and 36 is designated generally by the reference numeral 910.
- the same reference numerals are used for identical or similar components as in the coupling device 810, but increased by 100.
- the coupling parts 912 and 914 are formed with windows 983 between their radially inner and radially outer regions. These windows 983 may be formed only as local recesses or extend through the entire material thickness of the respective coupling parts 912, 914, so that the radially outer regions are connected via spokes or webs 985 to the radially inner region to transmit torque.
- the arrangement of the coupling tabs is significantly simplified over the embodiments to the coupling devices 710 and 810. Between two adjacent coupling shoes 939 and 967 four coupling tabs are arranged parallel to each other. The above described diamond arrangement with interconnected link is thereby replaced.
- the coupling device 910 is therefore designed somewhat weaker overall and in particular more lightweight. However, it can also be load-bearing when using larger-dimensioned coupling straps than embodiments with a rhombic arrangement or even more resiliently than these.
- FIG. 37 shows a slightly modified embodiment of a connecting member 1065, as can be used in the embodiments according to the coupling devices 710 and 810.
- This link 1065 which is loaded during operation during a torque transmission within the diamond arrangement on pressure is actually formed in several parts, wherein it has two mutually movable, possibly mechanically mutually guided bearing elements 1087 and 1089, between which an elastic rubber track 1091 is arranged.
- This When this is loaded under pressure, it gives way to damping, so that the two bearing elements 1087 and 1089 move under elastic deformation of the rubber track 1091 toward each other.
- the entire arrangement of the coupling device is slightly more elastic.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012001945.8T DE112012001945A5 (de) | 2011-08-18 | 2012-07-31 | Kupplungsvorrichtung, inbesondere für Industrieanwendungen |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011111072A DE102011111072A1 (de) | 2011-08-18 | 2011-08-18 | Kupplungsvorrichtung, insbesondere für Industrieanwendungen |
DE102011111072.4 | 2011-08-18 | ||
DE201110120395 DE102011120395A1 (de) | 2011-12-06 | 2011-12-06 | Kupplungsvorrichtung, insbesondere für Industrieanwendungen |
DE102011120395.1 | 2011-12-06 |
Publications (1)
Publication Number | Publication Date |
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WO2013023743A1 true WO2013023743A1 (de) | 2013-02-21 |
Family
ID=46642470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2012/003263 WO2013023743A1 (de) | 2011-08-18 | 2012-07-31 | Kupplungsvorichtung, insbesondere für industrieanwendungen |
Country Status (2)
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DE (1) | DE112012001945A5 (de) |
WO (1) | WO2013023743A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021164978A1 (de) * | 2020-02-20 | 2021-08-26 | Zf Friedrichshafen Ag | Ausgleichskupplung |
CN114829797A (zh) * | 2019-12-23 | 2022-07-29 | 西门子交通有限责任公司 | 补偿联接件 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2024474A (en) * | 1934-07-18 | 1935-12-17 | Morse Chain Co | Flexible coupling |
DE1040854B (de) | 1953-02-24 | 1958-10-09 | Eduard Erhardt Fa | Elastische Wellengelenkscheibe |
US3204943A (en) * | 1963-01-21 | 1965-09-07 | Isolation Systems Inc | Vibration absorbing force transmitting structures |
DE1206671B (de) * | 1956-01-16 | 1965-12-09 | Hanns Willy Schmidt | Elastische Wellenkupplung |
US3242693A (en) * | 1962-02-24 | 1966-03-29 | Luxembourg Brev Participations | Coupling devices, in particular for shafts intended to transmit high torques |
EP0167654A1 (de) | 1984-07-12 | 1986-01-15 | WOCO Franz-Josef Wolf & Co. | Kardanische Laschenkupplung und deren Verwendung |
DE19515101C1 (de) | 1995-04-25 | 1996-07-25 | Freudenberg Carl Fa | Laschenkupplung |
-
2012
- 2012-07-31 WO PCT/EP2012/003263 patent/WO2013023743A1/de active Application Filing
- 2012-07-31 DE DE112012001945.8T patent/DE112012001945A5/de not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2024474A (en) * | 1934-07-18 | 1935-12-17 | Morse Chain Co | Flexible coupling |
DE1040854B (de) | 1953-02-24 | 1958-10-09 | Eduard Erhardt Fa | Elastische Wellengelenkscheibe |
DE1206671B (de) * | 1956-01-16 | 1965-12-09 | Hanns Willy Schmidt | Elastische Wellenkupplung |
US3242693A (en) * | 1962-02-24 | 1966-03-29 | Luxembourg Brev Participations | Coupling devices, in particular for shafts intended to transmit high torques |
US3204943A (en) * | 1963-01-21 | 1965-09-07 | Isolation Systems Inc | Vibration absorbing force transmitting structures |
EP0167654A1 (de) | 1984-07-12 | 1986-01-15 | WOCO Franz-Josef Wolf & Co. | Kardanische Laschenkupplung und deren Verwendung |
DE19515101C1 (de) | 1995-04-25 | 1996-07-25 | Freudenberg Carl Fa | Laschenkupplung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114829797A (zh) * | 2019-12-23 | 2022-07-29 | 西门子交通有限责任公司 | 补偿联接件 |
WO2021164978A1 (de) * | 2020-02-20 | 2021-08-26 | Zf Friedrichshafen Ag | Ausgleichskupplung |
Also Published As
Publication number | Publication date |
---|---|
DE112012001945A5 (de) | 2014-05-15 |
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