EP0070342A1 - Vibrateur - Google Patents

Vibrateur Download PDF

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Publication number
EP0070342A1
EP0070342A1 EP81710024A EP81710024A EP0070342A1 EP 0070342 A1 EP0070342 A1 EP 0070342A1 EP 81710024 A EP81710024 A EP 81710024A EP 81710024 A EP81710024 A EP 81710024A EP 0070342 A1 EP0070342 A1 EP 0070342A1
Authority
EP
European Patent Office
Prior art keywords
unbalanced
rocker
gearwheel
shaft
gear
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.)
Withdrawn
Application number
EP81710024A
Other languages
German (de)
English (en)
Inventor
Johannes Ing. grad. Bäumers
Werner Lisken
Heinz Ing. Grad. Lietzke
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.)
Losenhausen Maschinenbau AG and Co KG
Losenhausen Maschinenbau AG
Original Assignee
Losenhausen Maschinenbau AG and Co KG
Losenhausen Maschinenbau 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 Losenhausen Maschinenbau AG and Co KG, Losenhausen Maschinenbau AG filed Critical Losenhausen Maschinenbau AG and Co KG
Priority to EP81710024A priority Critical patent/EP0070342A1/fr
Publication of EP0070342A1 publication Critical patent/EP0070342A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/166—Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase

Definitions

  • Such an unbalance vibrator is known from GB-PS 1 051 483.
  • the second unbalance shaft is designed as a hollow shaft which coaxially surrounds the first unbalance shaft.
  • the second unbalanced shaft runs out into a bell body, which is provided with an internal toothing. This internal toothing is in engagement with the second gearwheel mounted in the rocker arm.
  • the known construction is relatively complex.
  • the second unbalanced shaft must be designed as a hollow shaft with a bell body. This bell body must be provided with an internal toothing. These are relatively complex components to manufacture.
  • Unbalance vibrators are known in which the two unbalanced shafts are mounted next to one another and parallel to one another in the housing.
  • the phase adjustment of one unbalanced shaft relative to the other is carried out by means of a "counter-claw coupling" with a gear wheel which can be switched back and forth between two stop disks (CH-PS 349 932 or GB-PS 1 166 025) or by means of a high-speed screw drive.
  • the counter-claw coupling allows only a gradual angular adjustment of one imbalance to the other.
  • a steep screw drive is very expensive to construct.
  • the invention has for its object to build an unbalance vibrator of the type defined with structurally simple components.
  • the rocker can carry a counterweight on the side diametrically opposite the first and second gearwheel with respect to the first unbalanced shaft.
  • a first unbalanced shaft 12 is supported in bearings 14 and 16 in a housing 10.
  • the unbalanced shaft 12 carries an unbalance 18.
  • a pinion 22 is fixedly attached to the unbalanced shaft 12 at the left end of the unbalanced shaft 12 in FIG. 1.
  • a rocker 24 is also pivotally supported via ball bearings 26 and 28.
  • the rocker 24 is a double-armed lever.
  • a first gearwheel 26 is rotatably mounted on an arm on the rocker 24 by means of ball bearings 28 and 30.
  • the gear 26 is in engagement with the pinion 22.
  • On the axis 32 of the gear 26 sits on the other side of the rocker 24 a second gear 34 with a reduced diameter compared to the gear 26.
  • the second gear 34 is thus coaxially and firmly connected to the gear 26.
  • An intermediate gear 36 is also rotatably supported on the first unbalanced shaft 12 via ball bearings 38 and 40.
  • the intermediate gear 36 is in engagement with a gear 42 which is firmly seated on a second unbalanced shaft 44.
  • the unbalanced shaft 44 is supported in bearings 46 and 48 in the housing 10. It runs laterally and parallel to the first unbalanced shaft 12.
  • a V-belt pulley 50 is fastened to the right end of the unbalanced shaft 44 in FIG. 1, via which the unbalanced shaft 44 can be driven by an engine.
  • An attachment 52 is attached to the rocker arm 24, on which a pair of links 54 are articulated by means of a pin 56.
  • the links 54 are articulated by means of a pin 58 at one end of a shift lever 60.
  • the shift lever 60 is mounted with a pin 62 in a bearing 64.
  • the pin 62 carries an arm 66 on which an actuating linkage (not shown) engages.
  • the rocker 24 carries a counterweight 68 on the side diametrically opposite the first and second gearwheels 26 and 34 with respect to the first unbalanced shaft 12.
  • the diameters of the gears 42 and 44 are the same.
  • the intermediate gear 36 has a relatively large diameter so that it bridges the distances between the shafts 12 and 44.
  • the gear 26 has the same diameter as the pinion 22.
  • the first gearwheel 26 connected to the gearwheel 34 then also runs at speed.
  • the pinion 22 seated on the first shaft 12 is driven at the same speed as the gearwheel 26 (and thus like the shaft 44) but with the opposite direction of rotation.
  • the imbalances on the shafts 44 and 12 therefore run in opposite directions at the same speed, so that a linear oscillation occurs in one plane, the position of which depends on the phase position of the counter-rotating imbalances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
EP81710024A 1981-07-18 1981-07-18 Vibrateur Withdrawn EP0070342A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP81710024A EP0070342A1 (fr) 1981-07-18 1981-07-18 Vibrateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81710024A EP0070342A1 (fr) 1981-07-18 1981-07-18 Vibrateur

Publications (1)

Publication Number Publication Date
EP0070342A1 true EP0070342A1 (fr) 1983-01-26

Family

ID=8188617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81710024A Withdrawn EP0070342A1 (fr) 1981-07-18 1981-07-18 Vibrateur

Country Status (1)

Country Link
EP (1) EP0070342A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051483A (fr) * 1900-01-01
US2977809A (en) * 1957-10-16 1961-04-04 Nordberg Manufacturing Co Variable actuator for screens, feeders and the like
DE1236842B (de) * 1965-10-22 1967-03-16 Delmag Maschinenfabrik Vorrichtung, insbesondere fuer ein Ruettelgeraet, zum AEndern der Phasenlage zweier Unwuchten
FR2006974A1 (fr) * 1968-04-26 1970-01-02 Losenhausen Maschinenbau Ag
GB2059543A (en) * 1979-08-09 1981-04-23 Daimler Benz Ag Spring plate with a supporting groove for a helical spring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051483A (fr) * 1900-01-01
US2977809A (en) * 1957-10-16 1961-04-04 Nordberg Manufacturing Co Variable actuator for screens, feeders and the like
DE1236842B (de) * 1965-10-22 1967-03-16 Delmag Maschinenfabrik Vorrichtung, insbesondere fuer ein Ruettelgeraet, zum AEndern der Phasenlage zweier Unwuchten
FR2006974A1 (fr) * 1968-04-26 1970-01-02 Losenhausen Maschinenbau Ag
GB2059543A (en) * 1979-08-09 1981-04-23 Daimler Benz Ag Spring plate with a supporting groove for a helical spring

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT DE SE

RBV Designated contracting states (corrected)

Designated state(s): AT DE SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840111

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LIETZKE, HEINZ, ING. GRAD.

Inventor name: BAEUMERS, JOHANNES, ING. GRAD.

Inventor name: LISKEN, WERNER