EP4481200B1 - Hydraulikanschlussanordnung - Google Patents

Hydraulikanschlussanordnung

Info

Publication number
EP4481200B1
EP4481200B1 EP23305967.4A EP23305967A EP4481200B1 EP 4481200 B1 EP4481200 B1 EP 4481200B1 EP 23305967 A EP23305967 A EP 23305967A EP 4481200 B1 EP4481200 B1 EP 4481200B1
Authority
EP
European Patent Office
Prior art keywords
connection arrangement
hydraulic
connection
connecting part
hydraulic connection
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.)
Active
Application number
EP23305967.4A
Other languages
English (en)
French (fr)
Other versions
EP4481200A1 (de
Inventor
Xavier HAREL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilo SE
Original Assignee
Wilo SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilo SE filed Critical Wilo SE
Priority to EP23305967.4A priority Critical patent/EP4481200B1/de
Priority to CN202421394513.0U priority patent/CN222823383U/zh
Publication of EP4481200A1 publication Critical patent/EP4481200A1/de
Application granted granted Critical
Publication of EP4481200B1 publication Critical patent/EP4481200B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Definitions

  • the present invention relates a hydraulic connection arrangement for connecting a hydraulic system with a pump unit, wherein the hydraulic connection arrangement comprises at least a wear part and a valve, and furthermore comprises a connecting part, wherein the hydraulic connection arrangement comprises a first side and a second side, wherein the hydraulic connection arrangement is configured to be connected, at its first side, to the pump unit, and, at its second side, to the hydraulic system.
  • the present invention relates to a corresponding hydraulic system comprising a plurality of pump units besides the hydraulic system, wherein each pump unit is connected, to the hydraulic system, by means of a respective hydraulic connection arrangement.
  • the present invention relates to a method for removing and/or exchanging a wear part and/or for removing and/or exchanging at least part of a hydraulic connection arrangement, wherein the hydraulic connection arrangement connects a hydraulic system with a pump unit, wherein the hydraulic connection arrangement comprises at least the wear part and a valve, and furthermore comprises a connecting part, wherein the hydraulic connection arrangement comprises a first side and a second side, wherein the hydraulic connection arrangement is configured to be connected, at its first side, to the pump unit, and, at its second side, to the hydraulic system.
  • the present invention relates to the use of a hydraulic connection arrangement for connecting a hydraulic system with a pump unit or use of a wear part for providing a hydraulic connection arrangement, wherein the hydraulic connection arrangement comprises at least a wear part and a valve, and furthermore comprises a connecting part, wherein the hydraulic connection arrangement comprises a first side and a second side, wherein the hydraulic connection arrangement is configured to be connected, at its first side, to the pump unit, and, at its second side, to the hydraulic system.
  • Hydraulic connection arrangements for connecting a hydraulic system with a pump unit are generally know.
  • several pump units are connected together to form a pump system that provides the required pressure.
  • several pump units are combined to so-called booster pump systems in order to increase an existing water pressure and also to provide an adequate water pressure on higher floors.
  • the pump units in such pump systems have usually two hydraulic connection ports, whereby the fluid is sucked in at a suction port and discharged at a discharge port at a higher pressure.
  • the hydraulic connection ports are, e.g., formed by a threaded pipe or another connection means.
  • such a pump unit is typically connected to a hydraulic system (i.e. typically each one of such pump units is separately connected to the hydraulic system, and typically to a manifold thereof).
  • a hydraulic connection arrangement is typically provided for connecting the hydraulic system with each one of the pump units.
  • such hydraulic connection arrangement comprise at least a wear part and a valve, wherein the wear part is required to be completely removed (in order to be checked) or even replaced either regularly or in case of sufficient wear.
  • a wear part is the use of a non-return valve (or check valve):
  • Such a non-return valve (or check valve) typically needs to be checked and/or replaced regularly according to certain intervals, e.g. time intervals - such as, e.g., every year - or usage intervals - such as, e.g., each specific number of operating hours or volumes (of a medium) pumped - in order to ensure its good operation.
  • An object of the present invention is to provide a technically simple, effective and cost-effective solution for connecting a hydraulic system with a pump unit in a manner such that the drawbacks of the prior art are able to be avoided as much as possible.
  • it should be able to check and/or to remove and/or to replace a wear part (being part of the hydraulic connection arrangement) with the hydraulic system being under pressure, i.e. without the necessity to completely remove a part of the hydraulic system, especially completely remove the manifold, and also without the necessity to completely shut off the hydraulic system and/or isolate it from the water network.
  • checking and/or removing and/or replacing of the wear part shall be possible without increased tightness problems and/or leakages (i.e. due to misalignment of components).
  • a further object of the present invention is to provide a corresponding hydraulic system, a corresponding method for removing and/or exchanging a wear part and/or for removing and/or exchanging at least part of a hydraulic connection arrangement, a corresponding use of a hydraulic connection arrangement for connecting a hydraulic system with a pump unit, and a corresponding use of a wear part for providing a hydraulic connection arrangement.
  • a hydraulic connection arrangement for connecting a hydraulic system with a pump unit, wherein the hydraulic connection arrangement comprises at least a wear part and a valve, and furthermore comprises a connecting part, wherein the hydraulic connection arrangement comprises a first side and a second side, wherein the hydraulic connection arrangement is configured to be connected, at its first side, to the pump unit, and, at its second side, to the hydraulic system, wherein the second side of the hydraulic connection arrangement corresponds to one connection side of the valve, wherein the wear part, the connecting part and the valve are connected with each other by means of screw connections to form the hydraulic connection arrangement, and wherein the connecting part comprises a union nut and a lock nut.
  • the connecting part having, or comprising, both the union nut and the lock nut, provides - especially by means of an interaction of a thread portion with a corresponding internal thread, e.g. of the valve, or the wear part or the pump unit - the possibility to easily replace and/or remove and/or exchange the wear part.
  • the use of threaded connections also advantageously realizes benefits, especially with regard to an increased tightness and the possibility to realize, for a given interior diameter, smaller outer (or external) diameter, especially of a sliding piece.
  • the hydraulic connection arrangement advantageously provides the possibility to avoid drawbacks associated with such an exchange and/or a removal of the wear part in relation to hydraulic systems conventionally known.
  • drawbacks include, e.g., quality problems related to leakage due to the difficulty to center the wear part, especially in case the wear part corresponds to a non-return valve.
  • the concept of the present invention is able to be applied to a wide variety of different hydraulic systems, especially hydraulic systems comprising a plurality of pump units besides the hydraulic system, wherein each pump unit is connected, to the hydraulic system, by means of a respective hydraulic connection arrangement according to the present invention.
  • the present invention provides the possibility to not having to shut off (at an inspection or revision point in time) all pump units (and corresponding hydraulic connection arrangements) of such a hydraulic system but only the one (pump unit and hydraulic connection arrangement) under revision or inspection; this especially provides the advantage to be able to continuously operate such a hydraulic system despite the wear part (of, e.g., one of the involved hydraulic connection arrangements) being removed and/or exchanged, i.e. there is the possibility to more easily remove (or replace) a wear part, e.g.
  • this advantage is able to be realized and applied for a wide variety of different categories of hydraulic systems and/or pump units involved, e.g. all 6" pump units and/or regarding pump units or hydraulic systems in the range of being able to pump between 2 and 6 cubic meters per hour and/or to pump between 10 and 16 cubic meters per hour.
  • non-return valve or non-return valve cartridge
  • non-return valve housing which is not possible in conventionally known hydraulic systems as the non-return valve (or the non-return valve cartridge) has to be broken in order to remove it from the non-return valve housing.
  • a further advantage according to the present invention concerns the possibility to use standard ball valves: Regarding the whole range of different power specifications, it is advantageously possible to use standard ball valves, e.g. brass ball valves (or stainless steel ball valves), hence there is no need, according to the present invention, to use (typically more costly) special ball valves, especially ball valves made of stainless steel.
  • standard ball valves e.g. brass ball valves (or stainless steel ball valves)
  • Still a further advantage is related to the connecting part comprising the union nut used to tightly connect the connecting part (with, e.g., the wear part) wherein a seal ring is used at the interface of the union nut (e.g., towards a first thread of the wear part).
  • this seal ring corresponds to an integrated seal ring (or O-ring) and - especially compared to conventionally known hydraulic systems - it is not possible anymore to loose this O-ring..
  • the union nut is used at the connection of the connecting part to the wear part, and wherein the lock nut is used at the connection of the connecting part to the valve, especially to assure this connection and its tightness, wherein the first side of the hydraulic connection arrangement corresponds to one connection side of the wear part, wherein especially the hydraulic connection arrangement is formed
  • the union nut is used at the connection of the connecting part to the valve, and wherein the lock nut is used at the connection of the connecting part to the wear part, especially to assure this connection and its tightness, wherein the first side of the hydraulic connection arrangement corresponds to one connection side of the wear part, wherein especially the hydraulic connection arrangement is formed
  • the wear part is connected, at the first side of the hydraulic connection arrangement towards the pump unit, by means of a flange connection, especially comprising two screws.
  • the first side of the hydraulic connection arrangement corresponds to one connection side of the connecting part, wherein the lock nut and especially a thread portion is used, at this connection side of the connecting part, for its connection to the pump unit, especially to assure this connection and its tightness, the thread portion especially being screwed into an internal thread of the pump unit, wherein especially the hydraulic connection arrangement is formed
  • the first side of the hydraulic connection arrangement corresponds to one connection side of the connecting part, wherein the union nut is used, at this connection side of the connecting part, for its connection to the pump unit, wherein especially the hydraulic connection arrangement is formed
  • the wear part corresponds to a check valve or to a filter element and/or that the valve corresponds to a ball valve.
  • the present invention relates to a hydraulic system comprising a plurality of pump units besides the hydraulic system, wherein each pump unit is connected, to the hydraulic system, by means of a respective hydraulic connection arrangement according to the present invention.
  • the present invention relates to a method for removing and/or exchanging a wear part and/or for removing and/or exchanging at least part of a hydraulic connection arrangement, wherein the hydraulic connection arrangement connects a hydraulic system with a pump unit, wherein the hydraulic connection arrangement comprises at least the wear part and a valve, and furthermore comprises a connecting part,
  • the present invention relates to the use of a hydraulic connection arrangement for connecting a hydraulic system with a pump unit or to the use of a wear part for providing a hydraulic connection arrangement, especially according to the present invention or for providing an inventive system or for being used in an inventive method, wherein the hydraulic connection arrangement comprises at least a (or the) wear part and a valve, and furthermore comprises a connecting part,
  • FIG 1 an exemplary embodiment of a hydraulic connection arrangement 100 is schematically shown according to a perspective view.
  • the hydraulic connection arrangement 100 is connected to a pump unit 300 and to a hydraulic system 200.
  • the hydraulic connection arrangement 100 comprises a first side A and a second side B. At its first side A, the hydraulic connection arrangement 100 is configured to be connected to the pump unit 300. At its second side B, the hydraulic connection arrangement 100 in configured to be connected to the hydraulic system 200.
  • Figure 1 only shows a small portion (such as a pipe end leading to a manifold) of the hydraulic system 200.
  • the hydraulic connection arrangement 100 comprises at least a wear part 110 and a valve 130, and furthermore comprises a connecting part 120, wherein the wear part 110, the connecting part 120 and the valve 130 are connected with each other by means of screw connections to form the hydraulic connection arrangement 100.
  • the second side B of the hydraulic connection arrangement 100 corresponds to one connection side of the valve 130, and the connecting part 120 comprises a union nut 125 and a lock nut 126.
  • the hydraulic connection arrangement 100 comprises the wear part 110, the connecting part 120 and the valve 130 such that the wear part 110 (at one of its two connection sides) is connected to (one of the two connection sides of) the connecting part 120 (using a screw connection), and the connecting part 120 is in turn connected (at its other connection side and again using a screw connection) with (one of the two connection sides of) the valve 130 - i.e. starting from the first side A of the hydraulic connection arrangement 100, the wear part 110 comes first and then comes the connecting part 120; and thereafter the valve 130.
  • the parts of the hydraulic connection arrangement 100 - i.e. the wear part 110, the valve 130, and the connecting part 120 - are represented separately and, thus, are more clearly visible:
  • the wear part 110 comprises a flange element 112 that is used to tightly connect the first side A of the hydraulic connection arrangement 100, with the pump unit 300, in the exemplary embodiment shown, with a flange of the pump unit 300.
  • the connecting part 120 comprises the union nut 125: According to the exemplarily represented embodiment, the union nut 125 is used to tightly connect the connecting part 120 with the wear part 110; according to the exemplary embodiment shown, this is done using a seal ring 125' between the union nut 125 and a first thread 115 of the wear part 110.
  • the connecting part 120 comprises the lock nut 126:
  • the lock nut 126 is used to tightly connect the connecting part 120 with the valve 130; according to the exemplary embodiment shown, this is done using a further seal ring 126' between the lock nut 126 and the valve 130: an external thread, hereinafter called thread portion 120', of the connecting part 120 (shown, in Figure 2 , on the left hand side of the connecting part 120) is first screwed into an internal thread 136 of the valve 130; this connection is then secured (and tightened) by means of the further seal ring 126' and the lock nut 126 against the valve 130.
  • valve 130 is connected to the hydraulic system 200 using connection techniques known in the art.
  • Figures 1 and 2 show an embodiment of the hydraulic connection arrangement 100 where the union nut 125 is used at the connection of the connecting part 120 to the wear part 110, and wherein the lock nut 126 is used at the connection of the connecting part 120 to the valve 130, especially to assure this connection and its tightness.
  • the first side A of the hydraulic connection arrangement 100 corresponds to one connection side of the wear part 110.
  • the hydraulic connection arrangement 100 is formed by means of another connection side (first thread 115) of the wear part 110 being connected, using the union nut 125, with one connection side of the connecting part 120, and by means of the connecting part 120 being connected, on its other connection side (using the thread portion 120'), with the valve 130, using the lock nut 126.
  • the hydraulic connection arrangement 100 it is advantageously possible, according to the present invention, to remove and/or to exchange the wear part 110 and/or to remove and/or exchange at least part of the hydraulic connection arrangement 100, and this despite the fact that the hydraulic connection arrangement 100 is fixedly integrated between the pump unit 300 (on its first side A) and the hydraulic system 200 (on its second side B), i.e.
  • the axial distance between the pump unit 300 and the hydraulic system 200 (or between the pump unit 300 and the internal thread 136 of the valve 130) is fixed and cannot be modified, at least not meaningfully enlarged (in order to be able to more easily remove and/or exchange at least a part of a hydraulic connection arrangement 100); to the contrary, it might very well be the case that - in a scenario where the hydraulic system is under pressure - this axial distance (between the pump unit 300 and the hydraulic system 200 or between the pump unit 300 and the internal thread 136 of the valve 130) might be even reduced (e.g. due to mechanical stress and corresponding elastic displacements).
  • this is possible by means of using both the union nut 125 and the lock nut 126 of the connecting part 120: in a first step - after the connection of the hydraulic connection arrangement 100, at its first side A, is loosened or opened - the lock nut 126 is loosened with regard to the thread portion 120' of the connecting part (120); in other words, the lock nut 126 is moved, on the thread portion 120', away from the valve 130, thereby providing the possibility to screw (or to rotate) - in a second step - the thread portion 120' further into the internal thread 136 of the valve 130.
  • Such screwing (or rotating) of the thread portion 120' further into the internal thread 136 of the valve 130 provides axial space in order to be able to remove and/or to exchange at least a part of the hydraulic connection arrangement 100; the rotation of the thread portion 120' of the connecting part 120 is preferably (but not necessarily) done together with the wear part 110.
  • the union nut 125 is loosened or opened, and the wear part 110 is able to be removed and/or exchanged.
  • the rotation of the thread portion 120' of the connecting part 120 is not necessarily done together with the wear part 110.
  • the wear part 110 is connected, at the first side A of the hydraulic connection arrangement 100 towards the pump unit 300, by means of a flange connection, especially comprising two screws.
  • a flange connection especially comprising two screws.
  • the flange element 112 being realized as part of the wear part 110 (or connected to the wear part 110) and providing a flange interface or flange connection towards the pump unit 300.
  • the connecting part 120 is somehow rotated (about a vertical axis) by 180 degrees such that the locations of the union nut 125 and the lock nut 126 are exchanged, i.e. the union nut 125 is used at the connection of the connecting part 120 to the valve 130, and the lock nut 126 is used at the connection of the connecting part 120 to the wear part 110, especially to assure this connection and its tightness.
  • the first side A of the hydraulic connection arrangement 100 corresponds to one connection side of the wear part 110, and especially the hydraulic connection arrangement 100 is formed by means of another connection side (which needs to be an internal thread) of the wear part 110 being connected, using the lock nut 126, with one connection side of the connecting part 120 - namely with the thread portion 120' -, and by means of the connecting part 120 being connected, on its other connection side, with the valve 130, using the union nut 125 (in this case, the valve needs to have an external thread instead of the internal thread 136 as shown in Figure 2 ).
  • the first side A of the hydraulic connection arrangement 100 corresponds to one connection side of the connecting part 120 (namely the side of the connecting part 120 having the thread portion 120'), wherein the lock nut 126 is used, at this connection side of the connecting part 120, for its connection to the pump unit 300 (in this case, the pump unit 300 needs to provide an internal thread), especially to assure this connection and its tightness.
  • the hydraulic connection arrangement 100 is formed by means of using, at the other connection side of the connecting part 120, the union nut 125, with one connection side of the wear part 110 (i.e. the side corresponding to the first thread 115), and by means of the wear part 110, being connected, on its other connection side, with the valve 130, especially using a further union nut.
  • the first side A of the hydraulic connection arrangement 100 corresponds to one connection side of the connecting part 120, wherein the union nut 125 is used, at this connection side of the connecting part 120, for its connection to the pump unit 300 (in this case, the pump unit 300 needs to provide an external thread in order to be able to accommodate the union nut 125).
  • especially the hydraulic connection arrangement 100 is formed by means of using, at the other connection side of the connecting part (120), the lock nut 126, with one connection side of the wear part 110 (which needs to be an internal thread), especially to assure this connection and its tightness, and by means of the wear part 110, being connected, on its other connection side, with the valve 130, especially using a further union nut.
  • the connecting part 120 is arranged such that an axial distance or an axial space is able to be realized, which axial distance or axial space is used to be able to remove and/or to exchange and/or to mount the wear part 110:
  • This axial distance or axial space is able to be realized by means of using the side of the connecting part 120 having the thread portion 120'; after the lock nut 126 (interacting with this thread portion 120') having been loosened, it is possible to rotate (i.e. screw) the connecting part 120 with its thread portion 120' further into an internal thread, thereby providing the axial distance or space.
  • the connecting part 120 comprises, on its opposing side (i.e. opposite the thread portion 120'), the union nut 125.
  • Figure 2 shows the embodiment where, starting from the first side A of the hydraulic connection arrangement 100 (i.e. at the interface of the pump unit 300), first comes the wear part 110 which is facing the connecting part 120 by means of the connection side of the connecting part 120 having the union nut 125; after the connecting part 120 comes the valve 130, wherein these two are connected using the connection side of the connecting part 120 having the thread portion 120' and the lock nut 126 and using the internal thread 136 of the valve 130 as the internal thread providing the possibility to achieve or realize the axial distance or axial space.
  • an internal thread analogous to internal thread 136 of the valve 130 (and having the same functionality) is able to be implemented as part of the wear part 110:
  • Such a configuration is possible, according to the present invention, by means of two different embodiments or configurations of the hydraulic connection arrangement 100.
  • the connecting part 120 has its two sides inverted (compared to the representation of Figure 2 , i.e.
  • the connecting part 120 is rotated by 180 degrees about a vertical axis, or, stated differently, the locations of the union nut 125 and the lock nut 126 are exchanged, and the union nut 125 is used at the connection of the connecting part 120 to the valve 130, whereas the lock nut 126 is used at the connection of the connecting part 120 to the wear part 110 with the wear part 110 needs to have, in this case, the internal thread), according to the other of these embodiments or configurations, the positions of the wear part 110 and the connecting part 120 are exchanged, i.e. starting from the first side A of the hydraulic connection arrangement 100 (i.e.
  • the connecting part 120 comes first (facing, the pump unit 300 by means of its connection side having the union nut 125) and the wear part 110 comes second, and both the connecting part 120 and the wear part 110 are connected using the connection side of the connecting part 120 having the lock nut 126 (and the wear part 110 has a corresponding internal thread analogous to internal thread 136 of the valve 130).
  • an internal thread is implemented at the interface between the connecting part 120 and the pump unit 300:
  • Such an embodiment or configuration corresponds - compared to the representation of Figure 2 - to a rotation (by 180 degrees and about a vertical axis) of not only the connecting part 120 alone but to a rotation of both the connecting part 120 and the wear part 110 (of course, in case of the wear part 110 having a directionality, e.g.
  • the wear part 110 needs to be configured such that the required directionality is preserved), i.e. starting from the first side A of the hydraulic connection arrangement 100 (i.e. at the interface of the pump unit 300), again the connecting part 120 comes first (using the connection side of the connecting part 120 having the lock nut 126 and the pump unit 300 having a corresponding internal thread analogous to internal thread 136 of the valve 130 shown in Figure 2 ) and the wear part 110 comes second, and both the connecting part 120 and the wear part 110 are connected by means of the connection side of the connecting part 120 having the union nut 125.
  • an axial distance or space is advantageously able to be realized due to the connecting part 120 having the (external) thread portion 120' (and the lock nut 126) and by means of an interaction of that thread portion 120' with a corresponding internal thread - of either the valve 130 (shown in Figures 1 and 2 ), or the wear part 110 or the pump unit 300 - by means of screwing, or rotating, at least the connecting part 120 further into the corresponding internal thread after the lock nut 126 having been loosened.
  • the inventive method for removing and/or exchanging the wear part 110 and/or for removing and/or exchanging at least part of the hydraulic connection arrangement 100 is able to be applied: the connecting part 120 comprises the union nut 125 as well as the lock nut 126 and the method comprises loosening or opening the connection of the hydraulic connection arrangement 100 at a location opposite of the lock nut 126, e.g.
  • the thread portion 120' of the connecting part 120 is rotated further into the internal thread (of the valve 130 (reference sign 136), or of the wear part or of the pump unit 300) - especially together with the wear part 110 - and the union nut 125 is loosened or opened, and the wear part 110 removed and/or exchanged.

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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)

Claims (11)

  1. Hydraulische Anschlussanordnung (100) zum Verbinden eines Hydrauliksystems (200) mit einem Pumpenaggregat (300), wobei die hydraulische Anschlussanordnung (100) mindestens ein Verschleißteil (110) und ein Ventil (130) aufweist,
    wobei die hydraulische Anschlussanordnung (100) eine erste Seite (A) und eine zweite Seite (B) aufweist, wobei die hydraulische Anschlussanordnung (100) so konfiguriert ist, dass sie an ihrer ersten Seite (A) mit der Pumpeneinheit (300) und an ihrer zweiten Seite (B) mit dem Hydrauliksystem (200) verbunden ist,
    wobei die zweite Seite (B) der hydraulischen Anschlussanordnung (100) einer Anschlussseite des Ventils (130) entspricht,
    dadurch gekennzeichnet, dass die hydraulische Anschlussanordnung (100) weiterhin ein Anschlussteil (120) umfasst, wobei das Verschleißteil (110), das Anschlussteil (120) und das Ventil (130) mittels Schraubverbindungen miteinander verbunden sind, um die hydraulische Anschlussanordnung (100) zu bilden,
    wobei das Anschlussteil (120) eine Überwurfmutter (125) und eine Kontermutter (126) aufweist.
  2. Hydraulische Anschlussanordnung (100) nach Anspruch 1, wobei die Überwurfmutter (125) an der Verbindung des Anschlussteils (120) mit dem Verschleißteil (110) verwendet wird, und wobei die Kontermutter (126) an der Verbindung des Anschlussteils (120) mit dem Ventil (130) verwendet wird, insbesondere um diese Verbindung und deren Dichtheit zu gewährleisten, wobei die erste Seite (A) der hydraulischen Anschlussanordnung (100) einer Anschlussseite des Verschleißteils (110) entspricht,
    wobei insbesondere die hydraulische Anschlussanordnung (100) gebildet ist
    -- indem eine andere Anschlussseite des Verschleißteils (110) unter Verwendung der Überwurfmutter (125) mit einer Anschlussseite des Anschlussteils (120) verbunden wird, und
    -- indem das Anschlussteil (120) an seiner anderen Anschlussseite unter Verwendung der Kontermutter (126) und insbesondere unter Verwendung eines Gewindeabschnitts (120') mit dem Ventil (130) verbunden ist, wobei der Gewindeabschnitt (120') insbesondere in ein Innengewinde (136) des Ventils (130) eingeschraubt ist.
  3. Hydraulische Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche, wobei die Überwurfmutter (125) an der Verbindung des Anschlussteils (120) mit dem Ventil (130) verwendet wird, und wobei die Kontermutter (126) an der Verbindung des Anschlussteils (120) mit dem Verschleißteil (110) verwendet wird, insbesondere um diese Verbindung und deren Dichtheit zu gewährleisten, wobei die erste Seite (A) der hydraulischen Anschlussanordnung (100) einer Anschlussseite des Verschleißteils (110) entspricht,
    wobei insbesondere die hydraulische Anschlussanordnung (100) gebildet ist
    -- indem eine andere Anschlussseite des Verschleißteils (110) unter Verwendung der Kontermutter (126) und insbesondere eines Gewindeabschnitts (120') mit einer Anschlussseite des Anschlussteils (120) verbunden wird, wobei der Gewindeabschnitt (120') insbesondere in ein Innengewinde des Verschleißteils (110) eingeschraubt ist, und
    -- indem das Anschlussteil (120) an seiner anderen Anschlussseite mit der Überwurfmutter (125) mit dem Ventil (130) verbunden ist.
  4. Hydraulische Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche, wobei das Verschleißteil (110) an der ersten Seite (A) der hydraulischen Anschlussanordnung (100) zum Pumpenaggregat (300) hin mittels einer Flanschverbindung, insbesondere mit zwei Schrauben, verbunden ist.
  5. Hydraulische Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche, wobei die erste Seite (A) der hydraulischen Anschlussanordnung (100) einer Anschlussseite des Anschlussteils (120) entspricht, wobei an dieser Anschlussseite des Anschlussteils (120) die Kontermutter (126) und insbesondere ein Gewindeabschnitt (120') zu dessen Verbindung mit dem Pumpenaggregat (300) verwendet wird, insbesondere um diese Verbindung und deren Dichtheit zu gewährleisten, wobei der Gewindeabschnitt (120') insbesondere in ein Innengewinde des Pumpenaggregats (300) eingeschraubt ist,
    wobei insbesondere die hydraulische Anschlussanordnung (100) ausgebildet ist
    -- unter Verwendung der Überwurfmutter (125) an der anderen Anschlussseite des Anschlussteils (120) mit einer Anschlussseite des Verschleißteils (110), und
    -- indem das Verschleißteil (110) an seiner anderen Anschlussseite mit dem Ventil (130) verbunden wird, insbesondere unter Verwendung einer weiteren Überwurfmutter.
  6. Hydraulische Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche, wobei die erste Seite (A) der hydraulischen Anschlussanordnung (100) der einen Anschlussseite des Anschlussteils (120) entspricht, wobei die Überwurfmutter (125) an dieser Anschlussseite des Anschlussteils (120) zu dessen Verbindung mit dem Pumpenaggregat (300) verwendet wird,
    wobei insbesondere die hydraulische Anschlussanordnung (100) gebildet ist
    -- durch Verwendung der Kontermutter (126) und insbesondere eines Gewindeabschnitts (120') an der anderen Anschlussseite des Anschlussteils (120), mit einer Anschlussseite des Verschleißteils (110), insbesondere zur Sicherstellung dieser Verbindung und deren Dichtheit, wobei der Gewindeabschnitt (120') insbesondere in ein Innengewinde des Verschleißteils (110) eingeschraubt ist, und
    -- mittels des Verschleißteils (110) an dessen anderer Anschlussseite mit dem Ventil (130) verbunden ist, insbesondere unter Verwendung einer weiteren Überwurfmutter.
  7. Hydraulische Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche, wobei das Verschleißteil (110) einem Rückschlagventil oder einem Filterelement entspricht.
  8. Hydraulische Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche, wobei das Ventil (130) einem Kugelventil entspricht.
  9. Hydrauliksystem (200), das neben dem Hydrauliksystem (200) eine Mehrzahl von Pumpeneinheiten (300) umfasst, wobei jede Pumpeneinheit (300) mittels einer jeweiligen hydraulischen Anschlussanordnung (100) nach einem der vorhergehenden Ansprüche mit dem Hydrauliksystem (200) verbunden ist.
  10. Verfahren zum Entfernen und/oder Austauschen eines Verschleißteils (110) und/oder zum Entfernen und/oder Austauschen zumindest eines Teils einer hydraulischen Anschlussanordnung (100), wobei die hydraulische Anschlussanordnung (100) ein hydraulisches System (200) mit einer Pumpeneinheit (300) verbindet, wobei die hydraulische Anschlussanordnung (100) zumindest das Verschleißteil (110) und ein Ventil (130) umfasst, und ferner ein Anschlussteil (120) umfasst,
    wobei die hydraulische Anschlussanordnung (100) eine erste Seite (A) und eine zweite Seite (B) aufweist, wobei die hydraulische Anschlussanordnung (100) ausgebildet ist, um an ihrer ersten Seite (A) mit der Pumpeneinheit (300) und an ihrer zweiten Seite (B) mit dem Hydrauliksystem (200) verbunden zu werden, wobei die zweite Seite (B) der hydraulischen Anschlussanordnung (100) einer Anschlussseite des Ventils (130) entspricht,
    dadurch gekennzeichnet, dass das Verschleißteil (110), das Anschlussteil (120) und das Ventil (130) mittels Schraubverbindungen miteinander verbunden sind, um die hydraulische Anschlussanordnung (100) zu bilden,
    wobei das Anschlussteil (120) eine Überwurfmutter (125) und eine Kontermutter (126) aufweist, wobei das Verfahren die folgenden Schritte umfasst:
    -- in einem ersten Schritt wird die Verbindung der hydraulischen Anschlussanordnung (100) an ihrer ersten Seite (A) gelöst oder geöffnet und die Kontermutter (126) in Bezug auf einen Gewindeabschnitt (120') des Anschlussteils (120) gelockert,
    -- in einem zweiten Schritt wird der Gewindeabschnitt (120') des Anschlussteils (120) zusammen mit dem Verschleißteil (110) gedreht.
    -- in einem dritten Schritt wird die Überwurfmutter (125) gelöst oder geöffnet und das Verschleißteil (110) entfernt und/oder ausgetauscht.
  11. Verwendung einer hydraulischen Anschlussanordnung (100) zur Verbindung eines Hydrauliksystems (200) mit einem Pumpenaggregat (300) oder Verwendung eines Verschleißteils (110) zur Bereitstellung einer hydraulischen Anschlussanordnung (100), insbesondere nach einem der vorhergehenden Ansprüche und/oder zur Bereitstellung eines Systems nach Anspruch 9 und/oder zur Verwendung in einem Verfahren nach Anspruch 10, wobei die hydraulische Anschlussanordnung (100) zumindest ein Verschleißteil (110) und ein Ventil (130) umfasst,
    wobei die hydraulische Anschlussanordnung (100) eine erste Seite (A) und eine zweite Seite (B) aufweist, wobei die hydraulische Anschlussanordnung (100) ausgebildet ist, um an ihrer ersten Seite (A) mit der Pumpeneinheit (300) und an ihrer zweiten Seite (B) mit dem Hydrauliksystem (200) verbunden zu werden, wobei die zweite Seite (B) der hydraulischen Anschlussanordnung (100) einer Anschlussseite des Ventils (130) entspricht,
    dadurch gekennzeichnet, dass die hydraulische Anschlussanordnung (100) weiterhin ein Anschlussteil (120) umfasst, wobei das Anschlussteil (120) mindestens eine Überwurfmutter (125) und eine Kontermutter (126) umfasst, wobei - in einem Betriebszustand der hydraulischen Anschlussanordnung (100) - das Anschlussteil (120) mit dem Verschleißteil (110) verbunden ist,
    wobei - in einem Wartungszustand der hydraulischen Anschlussanordnung (100) - sowohl die Überwurfmutter (125) als auch die Kontermutter (126) gelöst ist, so dass das Verschleißteil (110) bei geschlossenem Ventil (130) vom Hydrauliksystem (200) getrennt ausgebaut oder ausgetauscht werden kann.
EP23305967.4A 2023-06-19 2023-06-19 Hydraulikanschlussanordnung Active EP4481200B1 (de)

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EP23305967.4A EP4481200B1 (de) 2023-06-19 2023-06-19 Hydraulikanschlussanordnung
CN202421394513.0U CN222823383U (zh) 2023-06-19 2024-06-18 液压连接装置以及液压系统

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Publication number Priority date Publication date Assignee Title
DE3644662A1 (de) * 1986-12-30 1988-07-14 Josef Goellner Hydraulischer endlagenstossdaempfer
CA2512799C (en) * 2003-01-07 2012-03-20 Itt Manufacturing Enterprises, Inc. Isolation valve with rotatable flange
EP3670927B1 (de) * 2018-12-17 2022-03-30 Wilo Se Pumpeneinheit und pumpensystem
CN211371387U (zh) * 2020-01-10 2020-08-28 叶福西 一种活接截止止回阀

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