EP1413772B1 - Geräuscharmes Hydraulikaggregat - Google Patents

Geräuscharmes Hydraulikaggregat Download PDF

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Publication number
EP1413772B1
EP1413772B1 EP03021586A EP03021586A EP1413772B1 EP 1413772 B1 EP1413772 B1 EP 1413772B1 EP 03021586 A EP03021586 A EP 03021586A EP 03021586 A EP03021586 A EP 03021586A EP 1413772 B1 EP1413772 B1 EP 1413772B1
Authority
EP
European Patent Office
Prior art keywords
frame
reservoir
motor
pump
power unit
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.)
Expired - Lifetime
Application number
EP03021586A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1413772A1 (de
Inventor
Alfons Herr
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.)
Bosch Rexroth AG
Original Assignee
Bosch Rexroth AG
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 Bosch Rexroth AG filed Critical Bosch Rexroth AG
Publication of EP1413772A1 publication Critical patent/EP1413772A1/de
Application granted granted Critical
Publication of EP1413772B1 publication Critical patent/EP1413772B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration
    • 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
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • 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
    • F04B53/001—Noise damping
    • F04B53/002—Noise damping by encapsulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies

Definitions

  • the invention relates to a low-noise hydraulic power unit, in the manner of a cuboid on all sides Frame is formed, according to the preamble of the claim 1.
  • One Reservoir for hydraulic pressure medium in U-shape encloses from three sides a motor pump group that out an air-cooled electric motor and a driven by this Pump is formed.
  • the reservoir forms while three side walls of a cuboid frame whose Floor is formed by a base plate.
  • the frame is completed laterally by a first insulating wall, the so arranged between the legs of the reservoir, that it forms the fourth side wall of the cuboid frame.
  • At the top is the cuboid frame by a second Insulation wall completed, which rests on the reservoir and the ceiling of the frame forms.
  • the engine-pump group is arranged horizontally in a reception room, by the base plate, three side walls formed by the reservoir and two Dämmdevn is enclosed.
  • the engine-pump group is via vibration damper on the base plate held the frame.
  • This structural design of the Hydraulic unit allows a very good noise reduction.
  • the lateral insulating wall and also as Dämmwand trained blanket can be easily inserted into the frame and release it from the frame if necessary. This facilitates not only in the production of the hydraulic unit the Assembly of the individual components inside the frame but also allows a good accessibility of the later individual components, eg. B. for maintenance or Repairs.
  • the invention is based on the object, a hydraulic unit of the type mentioned above to create an increase the number of motor-pump groups allowed, without the individual Insulating walls corresponding to the base of the hydraulic unit to enlarge.
  • FIG. 1 shows a horizontal section through an invention trained hydraulic unit, along the in the figure 2 with C - D line is guided.
  • the FIG. 2 shows a vertical section through the hydraulic unit, the along the designated in Figure 1 with A - B Line is guided. Since the figures 1 and 2 in their Complete illustration of the hydraulic unit, respectively The following description refers both to FIG. 1 as also to the figure 2.
  • the hydraulic unit has the shape of a closed on all sides cuboidal frame 10.
  • the bottom of the frame 10 forms a base plate 11, which consists of two in one another placed and welded tubs 11u and 11o is formed. While the bottom pan 11u on a foundation 12 rests, is at the upper trough 11o an H-shaped Reservoir 13 for receiving hydraulic fluid held.
  • the tub 11o forms the bottom of the reservoir 13.
  • Two sections 13 a and 13 b of the reservoir 13 form a first side wall of the frame 10.
  • Two more sections 13c and 13d of the reservoir 13 form a second side wall of the frame 10.
  • the two side walls of the Frame 10 are connected by a transverse wall 13e.
  • a first lateral insulating wall 15 is arranged, which is another Side wall of the frame 10 forms.
  • the insulating wall 15 is located two vertically arranged angle sections 16, 17 and at two horizontally arranged angle sections 18, 19 at.
  • a second lateral insulating wall 20 is arranged, which is the fourth Side wall of the frame 10 forms.
  • the insulating wall 20 is located two vertically arranged angle sections 21, 22 and two horizontally arranged angle sections 23, 24 at.
  • the section 13a, the transverse wall 13e, the section 13c and the insulating wall 15 enclose a first receiving space 25, the down through the base plate 11 and up through a Dämmwand 28 is completed.
  • the insulating wall 28 is located on the Angular profile 18, held on a portion 13 a on the Angled section 29, an angle profile held on the transverse wall 13e 30 and on a not visible in Figures 1 and 2 another angle profile held on the portion 13c is on.
  • the section 13b, the transverse wall 13e, the section 13d and the insulating wall 20 enclose a second Receiving space 32, the down through the base plate 11 and is completed at the top by another insulating wall 33.
  • the insulating wall 33 rests on the angle section 24, on a held on the section 13b angle profile 35, on a the transverse wall 13e held angle section 36 and on a in Figures 1 and 2 not visible further angle profile, which is held on the portion 13d, on.
  • Each of the motor-pump groups has an electric motor M, each having two hydraulic pumps P1 and P2 drives.
  • the electric motor M is on a motor carrier T fastened, in turn, via damping elements D on the upper tray 11o of the base plate 11 is held.
  • the Motor-pump groups 40 to 42 are arranged horizontally.
  • the Pumps P1 and P2 face the transverse wall 13e. Of the Pump P1 leads a suction line S1 into the transverse wall 13e of the Reservoir 13 for the hydraulic pressure medium. In Similarly, leads from the pump P2, a suction line S2 in the transverse wall 13e. This measure allows the suction lines Keep S1 and S2 of pumps P1 and P2 short.
  • the Motor-pump groups 44 to 46 also have an electric motor M on, each of two held on him hydraulic pumps P1 and P2 drives.
  • the pumps P1 and P2 of the motor-pump groups 44 to 46 are like the corresponding pumps of the motor-pump groups 40 to 42 facing the transverse wall 13e, wherein of the Pumps P1 and P2 each have a suction line S1 or S2 in the transverse wall 13e of the reservoir 13 for the hydraulic pressure medium leads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valve Device For Special Equipments (AREA)
EP03021586A 2002-10-22 2003-09-25 Geräuscharmes Hydraulikaggregat Expired - Lifetime EP1413772B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10249337A DE10249337A1 (de) 2002-10-22 2002-10-22 Geräuscharmes Hydraulikaggregat
DE10249337 2002-10-22

Publications (2)

Publication Number Publication Date
EP1413772A1 EP1413772A1 (de) 2004-04-28
EP1413772B1 true EP1413772B1 (de) 2005-11-09

Family

ID=32049558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03021586A Expired - Lifetime EP1413772B1 (de) 2002-10-22 2003-09-25 Geräuscharmes Hydraulikaggregat

Country Status (4)

Country Link
EP (1) EP1413772B1 (es)
AT (1) ATE309470T1 (es)
DE (2) DE10249337A1 (es)
ES (1) ES2251659T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104141605A (zh) * 2013-05-08 2014-11-12 罗伯特·博世有限公司 低噪声的液压设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016009951A1 (de) * 2016-08-12 2018-02-15 Volker Kay Müller Hydraulisches Antriebsaggregat
AT519817A1 (de) * 2017-04-06 2018-10-15 Engel Austria Gmbh Hydrauliksystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337131A1 (de) * 1993-02-02 1994-09-08 Rexroth Mannesmann Gmbh Hydraulikaggregat
DE4406233A1 (de) * 1994-02-25 1995-08-31 Wilo Gmbh Vorrichtung mit einer elektromotorisch betriebenen Pumpe
DE4421375A1 (de) * 1994-06-18 1995-12-21 Rexroth Mannesmann Gmbh Hydraulikaggregat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104141605A (zh) * 2013-05-08 2014-11-12 罗伯特·博世有限公司 低噪声的液压设备
CN104141605B (zh) * 2013-05-08 2018-11-13 罗伯特·博世有限公司 低噪声的液压设备

Also Published As

Publication number Publication date
EP1413772A1 (de) 2004-04-28
DE50301604D1 (de) 2005-12-15
ES2251659T3 (es) 2006-05-01
DE10249337A1 (de) 2004-05-06
ATE309470T1 (de) 2005-11-15

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