EP3536952A1 - Dispositif de raccordement d'une unite de pompage hydraulique - Google Patents

Dispositif de raccordement d'une unite de pompage hydraulique Download PDF

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Publication number
EP3536952A1
EP3536952A1 EP19157616.4A EP19157616A EP3536952A1 EP 3536952 A1 EP3536952 A1 EP 3536952A1 EP 19157616 A EP19157616 A EP 19157616A EP 3536952 A1 EP3536952 A1 EP 3536952A1
Authority
EP
European Patent Office
Prior art keywords
unit
connection
connection unit
machined
topography
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19157616.4A
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German (de)
English (en)
Other versions
EP3536952B1 (fr
Inventor
Markus Veit
Patrick Hans
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.)
Hydac Fluidtechnik GmbH
Original Assignee
Hydac Fluidtechnik GmbH
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.)
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Publication date
Application filed by Hydac Fluidtechnik GmbH filed Critical Hydac Fluidtechnik GmbH
Publication of EP3536952A1 publication Critical patent/EP3536952A1/fr
Application granted granted Critical
Publication of EP3536952B1 publication Critical patent/EP3536952B1/fr
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
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • F04B23/023—Pumping installations or systems having reservoirs the pump being immersed in the reservoir only the pump-part being immersed, the driving-part being outside the reservoir
    • 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

Definitions

  • the invention relates to a connecting device, comprising a base body having at least two connection units provided with different topographies and functions, which are integrally connected to each other, and which is designed as a master or forming part machined on its outer surfaces at least partially machined.
  • connection device is used for example in hydraulic units, which are used as compact units in various types of lifting and lifting equipment for the actuation of lifting cylinders.
  • WO 2009/156017 A1 discloses a hydraulic unit, in particular for the supply of conveying and lifting equipment with hydraulic fluid, with a device main axis end-side tank and attached to this functional components, the at least one hydraulic pump and a connector body with a valve device and a conduit arrangement for suction and return of hydraulic fluid has or to the tank.
  • the hydraulic unit is designed as a so-called turning unit, in which the inlet end of the suction line of the line arrangement is disposed within the tank at a position at which during operation of the unit with vertical main axis and during operation of the unit with the vertical inclined, preferably vertical, main axis which is the cause of the liquid in the tank.
  • connection body is composed of at least one structural unit and at least one further structural unit, wherein the one structural unit is at least partially accommodated in the further structural unit.
  • the one structural unit made of a metal material, such as aluminum material, as a die-cast or forged part and the further structural unit made of a plastic material, such as glass fiber reinforced polyamide material.
  • the preparation of the connecting device or the connection body is time consuming and costly.
  • the machining of the designed as a master or forming part basic body is typically carried out in several processing steps, wherein the main body is held and processed in several positions by re-clamping on a processing machine by means of corresponding holding devices or collets.
  • the object of the invention is to simplify the production of a connection device without restricting its functionality, in particular by reducing the number and complexity of the production steps.
  • At least one outer surface of the one connection unit is left unprocessed and designed as a possible engagement surface for the engagement of a holding device pivotable about at least one axis, wherein at least one outer surface of the other connection unit is processed more in number than the number of processed outer surfaces of the one connection unit, and wherein these each have a more machined outer surface perpendicular or at a predeterminable angle to at least a portion of the machined outer surfaces of the one connection unit, which are arranged on opposite sides of a connection unit at least partially parallel to each other.
  • connection device allows the basic body to be completely machined in only one clamping of a machine arrangement, for example in a cutting machine tool, wherein the holding device as workpiece holder rests defined on the at least one non-machinable contact surface on the base body.
  • the main body is a forged or cast blank as a forming or Urformteil.
  • the geometry of the at least two terminal units forming the base body is selected such that in one clamping of the base body all exterior surfaces to be machined are accessible from only one processing side of the machine and all connection bores and receptacles for connecting lines and control valves are associated with, preferably machined, Processing steps can be introduced into the body.
  • the main body can be obtained in the context of a forming process also from an extruded profile.
  • Topography in the sense of the invention means the three-dimensional shape design or the geometry of the respective connection unit. This is with their faces according to the present connection options arbitrarily conceivable, but the faces are part of an overall geometry whose fictitious outer contour forms, for example, a cuboid or a plate, which are known in this respect with cuboid or plate-shaped topography.
  • the respective connection unit is selected depending on the configuration of an associated hydraulic pump unit as well as the attachment and installation of the associated components, such as a tank unit, a motor unit and a pump unit and associated control valves, demand-optimized.
  • connection and attachment of a motor unit, a pump unit and / or a tank unit of a connection unit and the connection and attachment of control valves and control lines of the other terminal unit spatially associated.
  • the two connection units and the respective outer surfaces provided on them are selected and configured to suit individual requirements.
  • the at least partially mutually parallel, typically two machined outer surfaces having a connection unit preferably serves to form a support member.
  • the more machined outer surfaces having other terminal unit serves to form a control unit.
  • the topography of one connection unit is plate-shaped and that of the other connection unit is cuboid, wherein the cuboid topography at one point of the unworked left outer surface of a connection unit, which is released for a possible attack of the holding device, in the other connection unit so integrally passes that the cuboid topography protrudes on at least one side of the plate-shaped topography with a predetermined projection.
  • the terminal unit having a plate-like topography is generally used as a carrier part, wherein on one side, typically in the normal installation position above, the motor unit and on another side, typically below, the tank unit and the pump unit are arranged.
  • the unprocessed outer surface of the one connection unit is given by an outer surface following the outer peripheral contour of the plate-shaped topography.
  • the plate-shaped topography may have a rectangular, preferably square, elliptical or circular cross-section, however, any further cross-sectional shapes are conceivable.
  • a substantially circular cross-section of a cylinder is given as the plate-shaped topography for the connection unit.
  • connection unit adjoining the untreated outer surface of the connection unit with its parallelepiped topography projects beyond the composite of the tank unit, connection device and motor unit on its side.
  • control valves and control terminals are easily accessible from the outside and arranged to save space in a central location.
  • connection unit with the plate-shaped topography with its oppositely arranged outer surfaces serves as a functional part for receiving a motor unit or for receiving a pump unit, which is preferably in a tank unit is integrated, wherein the other terminal unit with the cuboid topography serves as a functional part of the at least partially receiving control valves.
  • the frontally opposite outer surfaces of a connection unit with the plate-shaped topography are particularly preferably formed substantially flat. This facilitates the installation and attachment of the motor unit and the pump unit on the body.
  • structuring such as specially shaped depressions or receptacles, forming surface sections within the respective topography and as a component thereof are provided on the respective outer surface adjacent to the planar surface sections.
  • the one terminal unit with its plate-like topography forms an at least partially cylindrical part of the basic body, wherein a center recess is provided concentrically concentrically with this cylindrical outer contour and the one connecting unit, which is provided by a drive shaft of the motor unit, preferably in the form of an electric motor Drive the pump unit is configured as a pressure supply meansteurgreifbar.
  • a connection device configured in this way can be arranged in a particularly simple manner on a hydraulic unit which is substantially cylindrical as a whole, wherein preferably the motor unit which has a connection unit with the plate-shaped topography and the tank unit has approximately the same outside diameter.
  • connection unit Due to the central recess formed in the associated connection unit, the shaft drive of the motor unit for the hydraulic pump can be guided safely and centrally in the connection device and extends through the tank housing, protected against possible damage, into the interior of the tank. This results in the further advantage of a particularly simple and secure embodiment of a hydraulic pump unit equipped with the connecting device according to the invention.
  • the connecting device designed according to the invention is characterized in particular by the fact that all processing steps for machining the base body can be carried out in only one working direction with the cutting machining tool.
  • the different processing positions "from the front, from the back and the side" each by a pivoting movement of the pivotable about at least one axis holding device which engages and holds the main body of the unprocessed left attack surface during the entire processing, taken. Due to the one clamping alignment errors are excluded and errors, as they can otherwise occur during re-tightening avoided.
  • the spatial arrangement and design of the individual outer surfaces and the topographies of the individual connection units are chosen such that all connection and control lines and installation spaces for associated control valves can be introduced through corresponding holes in machining in the body.
  • the associated fluid-carrying branches and intersections result from the introduction of different partial holes from different directions in the respective terminal unit of the body.
  • the machining direction is preferably via the feed axis of a rotationally driven tool, such as a drill, milling cutter, etc., specified.
  • connection bores each have one in the one connection unit extending connecting bore part and another extending in the other connection unit connecting bore part.
  • a connecting bore of the pressure supply of a consumer with fluid under pump pressure and another, at least partially separated from the one connecting hole and branches off from this bore is the return of fluid from the consumer to the tank.
  • the connection bore extends from an outer surface at the one connection unit via the location of the transition between the two topographies to an outer surface of the other connection unit.
  • the bore part assigned to the connection point for pressure supply and return is introduced into the base body from an outer surface of the other connection unit extending at an angle of preferably 45 ° to the machined outer surface of the one connection unit.
  • the holes may have the same or different bore diameter.
  • the bores or bore parts have a stepped profile in the end regions assigned to the respective outer surface.
  • a receptacle for a pressure limiting valve is provided at a location between the connecting holes of pressure supply and return, which passes through an outer surface of the other terminal unit, which in the present case perpendicular to at least one machined Outer surface of a connection unit runs. It is further advantageous that in the other connection unit in the connection bore, which serves the pressure supply, a receptacle for a check valve opens, which passes through an outer surface of the other terminal unit, which extends parallel to at least one machined outer surface of a connection unit.
  • a further valve group which preferably has an electromagnetically actuated proportional valve or other hydraulic valve, a receptacle provided which engages through the outer surface of the other terminal unit which parallel extends to at least one machined outer surface of a connection unit.
  • the number and arrangement of the outer surfaces of the other terminal unit, which form the control block for the hydraulic unit with its cuboid topography, is selected such that the valve mounting spaces, formed by receptacles, and the control lines, formed by connecting holes, together with associated intersections in one direction and in a clamping of an associated chip tool can be introduced into the body.
  • the holding device holding the base body assumes at least three, preferably four, pivoting positions, wherein the outer surfaces to be machined are aligned perpendicular to the working direction and machined by the cutting tool.
  • a special embodiment of the control block formed by the connection device is achieved in that pressure supply and return together share a connection point which emerges on an outer surface of the other connection unit, which at a predetermined angle, preferably of 45 °, to at least one machined outer surface of the one Connection unit runs. It should be noted that a part of the bore for the formation of the connecting bore part for the return during operation of the associated hydraulic unit closed, as is without function. While the one connection unit which accommodates the motor unit, the pump unit and the tank unit only has this receiving or carrier function, all components and associated installation spaces for the hydraulic control are formed in the typically laterally arranged other connection unit. Due to the one-piece design of the base body with the one connection unit and the at least one other connection unit, the arrangement of a separate control block on the receiving or carrier part can be omitted.
  • the invention further relates to a hydraulic pump unit with a connection device according to the invention, wherein an electric motor unit on one side and a pump unit, which is preferably integrated in a tank unit, are mounted on the other side of the one connection unit, and wherein at least one control valve for operating the Aggregate is included in the recordings of the other connection unit.
  • the invention further relates to a method for producing a connection device according to the invention, wherein by means of a pivotable about at least one axis holding device which an unprocessed outer surface of a connection unit is gripped to by a pivoting operation, for example, 180 ° on various, a machining from only one working direction out in at least three, preferably four, to enable pivotal positions, and thereby to edit the outer surfaces of two terminal units for the later recording of a motor-pump unit together with at least one control valve. Pivoting operations around larger angles than 180 ° are possible.
  • the inventive method allows processing of the base body for the connecting device in a clamping of the body, wherein the individual positions for processing of outer surfaces are taken by an associated pivoting movement of the holding device with the base body arranged therein. Processing from only one working direction results in a reduction of complexity and a further saving of time and expense.
  • the main body for the connecting device according to the invention is particularly preferably designed such that after the mechanical machining in the context of the inventive method, only the control valves must be used to obtain a ready-connection device for a hydraulic pump unit. Typical areas of application of such hydraulic power units are machine tools or lifting / lowering applications, such as industrial trucks or lifting platforms.
  • Fig. 1 shows in a side view of a hydraulic pump assembly 10 with a tank unit 12 and a motor unit 14.
  • a housing cover 16 is arranged with a arranged on the right side, rectangular labeling field 18 in the upper region of the motor unit 14.
  • the tank unit 12, the motor unit 14 and the housing cover 16 predetermine the substantially cylindrical shape of the hydraulic pump assembly 10.
  • the pump unit 10 further comprises a connection device 20, which is arranged in the periphery of its first connection unit 28 sandwiched between the tank unit 12 with a pump unit 42 accommodated in its tank housing and the motor unit 14.
  • a filler neck 22 is further arranged for fluid, such as hydraulic oil, which is closed by a cover 14.
  • the first connection unit 28 of the connection device 20 is arranged between the tank unit 12 with the pump unit 42 and the motor unit 14 and thus forms a carrier part for all three units 12, 14, 42.
  • a second connection unit 30 is arranged laterally on the composite of tank unit 12, first connection unit 28 and motor unit 14 and integrally connected to a radial outer surface of the first connection unit 28 to form the base body of the connection device 20.
  • Fig. 1 is the mentioned compound of the two terminal units 28, 30 covered by the filler neck 22 with cover 24.
  • the electric motor can be connected by means of two electrical connection points 26a, 26b to a power supply in the usual way.
  • first terminal unit 28 performs the function of a support member and the second terminal unit 30, the function of a control part with inserted valves.
  • a pressure relief valve 32, a spring-loaded check valve 34, an electromagnetically actuated directional control valve 36 and a flow control valve 38, 48 are arranged as valves of the control part.
  • a measuring device 40 is connected to the control part as a pressure transducer. The aforementioned control valves 32, 34, 36, 38 and 48 are inserted into corresponding receptacles of the second connection unit 30 and in Fig. 1 only partially visible.
  • the Fig. 2 shows the hydraulic pump unit 10 from Fig. 1 in the top view from above.
  • the motor unit 14 which corresponds to the cross-section of the first connection unit 28 of the connection device 20 and the cross section of the tank unit 12, protrude in the radial direction, the electrical connection means 26a, 26b, the filler neck 22 with the cover 24 and the second terminal unit 30 of Connecting device 20 with the control valves 32 to 38 and 48 and the measuring device 40 before.
  • a consumer port P for supplying a hydraulic consumer (not shown) provided by the hydraulic pump assembly 10.
  • the Fig. 3 shows a circuit diagram of the pump unit 10 with the usual hydraulic symbols for pertinent schematics.
  • the electric motor unit 14 drives the pump unit 42 to deliver fluid from the tank unit 12 to the consumer P.
  • a filter element 44 is arranged between the tank unit 12 and the pump unit 42.
  • the non-return valve 34 is arranged in the fluid line leading from the pump unit 42 to the consumer port P, which is shown spring-loaded in its closed position in the direction of the pump unit 42.
  • the measuring device 40 measures the fluid pressure present at the consumer connection P and transmits its ascertaining measured values to a control and computer unit, not shown, which actuates the electromagnetically actuated proportional valve 36.
  • the directional control valve 36 blocks the fluid path between the check valve 34 and the consumer port P to the tank side with the tank unit 12 under the influence of its valve spring.
  • the further valve position opens the directional control valve 36 and releases the return from the consumer port P to the tank unit 12.
  • Fig. 4 shows a perspective view of the connecting device 20, wherein the topographies and functions of the two terminal units 28, 30, the holes introduced into this are shown in dashed lines to illustrate.
  • the first connection unit 28 has a substantially plate-shaped topography and a circular cross-section.
  • a circular edge surface 50 is part of a first outer surface 52 of the connection unit 28, wherein the first outer surface 52 surrounds a central recess 54 formed coaxially with the cross section of the connection unit 28.
  • On the first outer surface 52 are two mounting holes 56a, 56b for fixing the pump unit 42 (see. Fig. 3 ), an opening 58 as a supply or pump port P and a tank port T provided.
  • the first outer surface 52 is formed only in the areas surrounding the respective opening 56a, 56b, 58, P, T and on the edge surface 50 lying flat in a plane on the outside of the first connection unit 28. In the remaining sections of the in Fig. 4 shown outside, the topography of the first terminal unit 28 is provided with a recess.
  • the opening 58 and the tank connection T each form one end of a connecting bore 60, 60 'or a further bore 62, 62'.
  • the bores 60, 60 'and 62, 62' extend in each case in two connection units 28, 30 of the connection device 20.
  • a first bore part 60 ', 62' in the first connection unit 28 and a second bore part 60, 62 in the second connection unit 30 running trained and introduced there each by machining.
  • the connection bore 60, 60 ' serves to supply pressure from the tank unit 12 (cf. Fig. 3 ) via the pump unit 42 to be connected to the opening 58 (see. Fig. 3 ) to the consumer port P, which is provided on the second terminal unit 30.
  • the further bore 62, 62 ' serves a return from the consumer port P to the tank port T, wherein the consumer port P also represents the connection point for the return R, as in the hydraulic circuit diagram of Fig. 3 illustrated.
  • the hydraulic medium flows from P, R via the building components 74, 62 and 62 'to T.
  • a second outer surface 64, a third outer surface 66 and a fourth outer surface 68, a fifth outer surface 78 and a sixth outer surface 80 are formed.
  • the second outer surface 64 is arranged at an angle of approximately 45 ° to the vertical and has the connection P which is allocated to the consumer connection P and the return R as the end of the connection bore 60, 60 '.
  • a further opening 76 for forming the second bore part 62 of the further bore 62, 62 ' is provided on the third outer surface 66, which is also penetrated by a horizontally arranged first receptacle 70 for a control valve.
  • the machined third outer surface 66 and the unprocessed sixth outer surface 80 are each vertically arranged.
  • the fourth and the fifth outer surface 68, 78 disposed horizontally.
  • the fourth outer surface 68 is disposed in an upper horizontal plane substantially corresponding to the plane receiving the first outer surface 52 of the first terminal unit 28, and the fifth outer surface 78 is arranged in a lower horizontal plane.
  • the fourth outer surface 68 forms an upper end surface of the first receptacle 70.
  • two further vertically aligned, one second and one third receptacles 72, 74 are formed. These two receptacles 72, 74 pass through horizontal outer surfaces 86, 88 (cf. Fig. 5c, 5d ) of the other second terminal unit 30.
  • a seventh outer surface 82 is provided radially on the outside, which remains unprocessed and so far forms a possible contact surface for a holding device.
  • FIG. 5a to 5d is the in Fig. 4 shown enlarged connection device 20 shown from four different perspectives.
  • the Fig. 5a and 5b show, according to the Fig. 4 , the side associated with the pump side with the first outer surface 52 of the first terminal unit 28.
  • the connection device 20 is rotated in such a way that the openings formed in the second connection unit 30 are not visible.
  • the unprocessed outer surfaces 68, 78 and 80 visible.
  • Fig. 5b shows one opposite Fig. 5a rotated about 180 ° view of the connecting device 20 so that the formed on the vertical outer surface 66 openings 70, 76 of the second terminal unit 30 are clearly visible.
  • a drive shaft of the motor unit 14 (see. Fig. 1 and 3 ) to a pump unit 42 (see. Fig. 3 ), wherein the pump unit 42 into the tank unit 12 (see. Fig. 1 ) is integrated.
  • the Fig. 5c and 5d show the motor unit 14 (see. Fig. 1 ) associated side of the first terminal unit 28 and thus the mounting position of the connecting device 20 in the hydraulic pump assembly 10 (see. Fig. 1 and 2 ).
  • FIG. 5c and 5d For example, another unprocessed, vertically aligned eighth outer surface 84 and two machined, ninth, and tenth outer surfaces 86, 88 of the second connector assembly 30 are shown.
  • the ninth outer surface 86 is penetrated by the second receptacle 72, the tenth outer surface 88 of the third receptacle 74. While in Fig. 5c only the two recordings 72, 74 are visible, shows Fig.
  • the first connection unit 28 has on the pump side an eleventh outer surface 90, on which mounting holes 56c, 56b and 56e for fixing the motor unit 14 (see FIG. Fig. 1 ) and which has an edge surface 50 'for engaging a housing of the motor unit 14.
  • Fig. 6 illustrates the processing steps for the production of in the Fig. 1, 2 . 4 . 5a to 5d
  • a connection device 20 shown pivotable about an axis of rotation R, in Fig. 6 Not shown holding device is located on the unprocessed seventh outer surface 82 (see. Fig. 4 ) of the first terminal unit 28.
  • the holding device is moved along the axis of rotation R in the four pivotal positions shown.
  • the first connection unit 28 with the plate-shaped topography is arranged vertically and is machined along a working direction A on the first outer surface 52. This represents the first processing step B1.
  • the fastening holes 56a, 56b, the opening 58, the tank connection T and the central recess 54 are introduced into the first connection unit 28 on the first outer surface 52.
  • the likewise vertically oriented, fourth and fifth outer surface 68, 78 of the second connection unit 30 remain unprocessed.
  • the said holding device may be formed from a holding or collet or by another recording, in the fixed state on the annular outer surface 82 in again detachable Way attacks. If the outer surface 82 is mentioned as an unprocessed surface, this does not exclude that outside of the described processing method, whatever kind of processing can take place, for example also in the context of a coating process.
  • the machining sections B1 to B4 can also be performed in any order.
  • the first connection unit 28 is aligned horizontally and the second connection unit 30 is machined on the third outer surface 66.
  • the working direction A of the second processing step B2 corresponds to that of the first processing step B1.
  • the holding device is moved further clockwise along the axis of rotation R, approximately at an angle of 45 °, this angle of inclination of the second outer surface 64 of the second terminal unit 30 relative to the first outer surface 52 of the first terminal unit 28 corresponds. Due to the thus selected third pivot position, the second outer surface 64 is vertically aligned and is processed in a third processing step B3 along the same working direction A. In the third processing step B3, the connection point P, R and the second connection bore part 60 of the connection bore 60, 60 'are introduced into the second connection unit 30 on the second outer surface 64.
  • the first connection unit 28 is again vertically aligned and is machined on the eleventh outer surface 90 along the working direction A.
  • the ninth and the tenth outer surface 86, 88 of the second terminal unit 30 processed.
  • the mounting holes 56c, 56d, 56e are inserted into the first connection unit 28 on the eleventh outer surface 90, and the second receptacle 72 on the ninth outer surface 86 and the third receptacle 74 in the second connection unit 30 on the tenth outer surface 88.
  • Fig. 6 illustrates that in four processing steps B1 to B4 two outer surfaces 52, 90 of the first terminal unit 28 and four outer surfaces 64, 66, 86, 88 of the second terminal unit 30 are processed. In this case, all processing steps B1 to B4 take place along the horizontally directed working direction A. In particular, no re-clamping of the base body arranged in the pivotable holding device for the connecting device 20 along the entire processing sequence is required. It is understood that the cutting machining tools used (not shown) relative to the workpiece held movable at least in three mutually perpendicular Zustellachsen and are evidently actuated by the processing or machine tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP19157616.4A 2018-03-05 2019-02-18 Dispositif de raccordement d'une unite de pompage hydraulique Active EP3536952B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018001725.8A DE102018001725A1 (de) 2018-03-05 2018-03-05 Anschlussvorrichtung

Publications (2)

Publication Number Publication Date
EP3536952A1 true EP3536952A1 (fr) 2019-09-11
EP3536952B1 EP3536952B1 (fr) 2022-10-12

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DE (1) DE102018001725A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959022C1 (de) * 1999-12-08 2001-06-21 Bosch Gmbh Robert Antriebseinheit
EP1666726A2 (fr) * 2004-12-04 2006-06-07 Hydac Fluidtechnik GmbH Système modulaire pour pompes à fluides
DE202005005620U1 (de) * 2005-04-08 2006-08-17 Hawe Hydraulik Gmbh & Co. Kg Pumpenaggregat
EP2241753A1 (fr) * 2009-04-15 2010-10-20 HAWE Hydraulik SE Agrégat de pompes de moteur
DE102016010669A1 (de) * 2016-08-29 2018-03-01 Hydac Fluidtechnik Gmbh Motor-Pumpenvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008030715A1 (de) 2008-06-27 2009-12-31 Hydac Fluidtechnik Gmbh Hydraulikaggregat
DE102015008837A1 (de) 2015-07-08 2017-01-12 Hydac Fluidtechnik Gmbh Hydraulikaggregat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959022C1 (de) * 1999-12-08 2001-06-21 Bosch Gmbh Robert Antriebseinheit
EP1666726A2 (fr) * 2004-12-04 2006-06-07 Hydac Fluidtechnik GmbH Système modulaire pour pompes à fluides
DE202005005620U1 (de) * 2005-04-08 2006-08-17 Hawe Hydraulik Gmbh & Co. Kg Pumpenaggregat
EP2241753A1 (fr) * 2009-04-15 2010-10-20 HAWE Hydraulik SE Agrégat de pompes de moteur
DE102016010669A1 (de) * 2016-08-29 2018-03-01 Hydac Fluidtechnik Gmbh Motor-Pumpenvorrichtung

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EP3536952B1 (fr) 2022-10-12
DE102018001725A1 (de) 2019-09-05

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