EP0243763B1 - Höhenverstellbares Gummitopflager mit einer Elastomere-Platte - Google Patents

Höhenverstellbares Gummitopflager mit einer Elastomere-Platte Download PDF

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Publication number
EP0243763B1
EP0243763B1 EP87105352A EP87105352A EP0243763B1 EP 0243763 B1 EP0243763 B1 EP 0243763B1 EP 87105352 A EP87105352 A EP 87105352A EP 87105352 A EP87105352 A EP 87105352A EP 0243763 B1 EP0243763 B1 EP 0243763B1
Authority
EP
European Patent Office
Prior art keywords
elastomeric
pot
strips
fact
bearing
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
EP87105352A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0243763A2 (de
EP0243763A3 (en
Inventor
Hans-Martin Dipl.-Ing. Brauer
Manfred Graeve
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive 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.)
Filing date
Publication date
Application filed by Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Priority to AT87105352T priority Critical patent/ATE57213T1/de
Publication of EP0243763A2 publication Critical patent/EP0243763A2/de
Publication of EP0243763A3 publication Critical patent/EP0243763A3/de
Application granted granted Critical
Publication of EP0243763B1 publication Critical patent/EP0243763B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/04—Bearings; Hinges
    • E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching

Definitions

  • the invention relates to a height-adjustable rubber pot bearing with an elastomer plate for transferring and lifting or lowering heavy loads, especially in bridge construction, in which a locally displacing the amount of pressure fluid from the elastomer can be pressed in between the bottom of the pot and the elastomer plate.
  • Rubber cup bearings of this type are known, for example from "Bautechnik” 7/1984, page 227, Figure 13.
  • the task now is to seal the peripheral edge region of the elastomer plate against the inner wall of the bearing cup in order to press out the pressed-in parts To prevent hydraulic fluid.
  • the stated object is achieved in that the elastomer plate has a narrow slot at a short distance from the inner wall of the pot and parallel to it, which is open at the bottom and is up to 3/4 of its deep, and in the slot a circular-cylindrical insert is used, which consists of two strips leaving a small space between each other and parallel and integrally connected at their upper edges, which are angled at their lower edges at right angles to edge strips pointing in opposite directions and parallel to the bottom of the pot.
  • This configuration creates an annular cavity open at the bottom and enclosed by the two strips, in which the pressure fluid supplied from below can enter and the insert can spread apart. This increases the pressure of the sealing lips on the inner wall of the pot and improves the sealing effect.
  • the two strips can be provided with beads running perpendicular to the angled edge strips, whereby these beads can be directed inwards from both sides of the strips and touch one another, or they can also be directed outwards from the space between the strips .
  • these beads can be such that they only extend to a certain distance from the interconnected upper edges of the two strips, so that an upper edge area remains free of beads, thereby reducing the rigidity of the upper edge area and this part can perform a joint function to spread the two strips.
  • This hinge function is further improved if the part connecting the two strips at their upper edges has a tubular, circular cross section.
  • the design can also be such that the part connecting the two strips at their upper edges has a tubular, rectangular cross section.
  • the insert can either consist of sheet steel or of a plastic. It can furthermore be advantageous if the angled lower edge strips running at right angles to the strips have incisions at regular intervals. By means of these incisions it is avoided that when the originally flat insert is deformed into a circular cylindrical structure, upsetting or excessive expansion stresses occur. It can furthermore be expedient if the peripheral surface of the elastomer plate is designed before it is pressed into the pot in such a way that it tapers upwards like a cone.
  • the circular-cylindrical insert can consist of a plurality of separate individual sections, wherein the individual sections furthermore have a plug-like extension on one side and can be used to overlap astride one another.
  • the insert inserted from the individual sections can slightly change its circumferential length or its diameter when the elastomer plate is pressed into the bearing pot.
  • the circular-cylindrical insert consists of a polygonal line in straight individual elements, the individual elements being slightly bent in the region of the expansion around the vertical axis in the case of small diameters of the elastomer plate.
  • the elastomer plate is denoted by 1, the pot side wall by 2 and the pot bottom by 3.
  • the bearing cap 4 is placed on the elastomer plate 1. 5 with the lid edge seal is referred to, which is inserted into the elastomer plate 1.
  • the pressure fluid is injected so that it covers the space between the lower surface of the Elastomeric plate 1 and the surface (8) of the pot bottom 3 fulfilled, which results in the space 7.
  • the pressure fluid also penetrates into the cavities 22 of the insert from below and tries to spread them apart, so that the pressure of the sealing lip against the inner wall 10 of the pot side wall 2 is increased.
  • the open cavities 22 of the insert can be seen from FIG.
  • Fig. 3 of the insert shows that the beads 26 only make up about 2/3 to 3/4 of the total height of the insert, so that a strip 27 remains free of beads.
  • the inwardly directed beads 26 touch one another without being connected to one another.
  • the upper, free of beads area 27 practically represents a hinge, so that the sides acting as expansion legs parts of the material strips can spread apart.
  • this joint function is further improved in that this upper region is designed to be annular.
  • the cavities 22 between the beads 26, which are filled by the pressure means can spread apart under the effect of the pressing pressure of the pressure fluid supplied.
  • the angled lower edge strips can be provided with the slots 28 in order to avoid compression and expansion stresses when the originally flat insert is formed into the circular cylindrical shape.
  • FIG. 8 Another advantageous embodiment of the elastomer plate 1 is shown in FIG. 8. Due to the conical tapering outer surface of the elastomer plate before it is pressed into the pot, the contact pressure of the sealing lip can be increased.
  • FIG. 8a shows the elastomer plate 1 before being inserted into the bearing pot, of which the inner wall 10 of the pot is indicated by dash-dotted lines.
  • the insert E (see FIG. 1) consisting of strips 21 is inserted, through which the gap is kept open in a radial width, which is designated by 12.
  • the bottom of the pot is indicated by dash-dotted lines at 8.
  • the edge strips 25 rest on the pot bottom 8 and on the underside 8 of the elastomer plate 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Bridges Or Land Bridges (AREA)
  • Springs (AREA)
  • Support Of The Bearing (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
EP87105352A 1986-04-22 1987-04-10 Höhenverstellbares Gummitopflager mit einer Elastomere-Platte Expired - Lifetime EP0243763B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87105352T ATE57213T1 (de) 1986-04-22 1987-04-10 Hoehenverstellbares gummitopflager mit einer elastomere-platte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3613545 1986-04-22
DE3613545 1986-04-22

Publications (3)

Publication Number Publication Date
EP0243763A2 EP0243763A2 (de) 1987-11-04
EP0243763A3 EP0243763A3 (en) 1988-11-17
EP0243763B1 true EP0243763B1 (de) 1990-10-03

Family

ID=6299236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105352A Expired - Lifetime EP0243763B1 (de) 1986-04-22 1987-04-10 Höhenverstellbares Gummitopflager mit einer Elastomere-Platte

Country Status (5)

Country Link
US (1) US4779842A (cs)
EP (1) EP0243763B1 (cs)
AT (1) ATE57213T1 (cs)
CS (1) CS270223B2 (cs)
DE (1) DE3765296D1 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719987A1 (de) * 1997-05-13 1998-06-04 Zueblin Ag Feste Fahrbahn auf Eisenbahn-Brücken
CN106192736A (zh) * 2016-07-18 2016-12-07 深圳市市政设计研究院有限公司 高阻尼橡胶隔震支座、智能支座以及支座监测系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157640B (de) * 1960-12-17 1963-11-21 Esslingen Maschf Kipplager, insbesondere fuer Bruecken od. dgl. Tragwerke
DE1179477B (de) * 1962-08-30 1964-10-08 Schoen & Cie G M B H Maschine zum Spalten, Schaerfen und Aufrauhen von Sohlen fuer Schuhwerk mit einer Stempeleinrichtung
DE2063746A1 (de) * 1970-12-24 1972-07-13 Kober Ag, Glarus (Schweiz) Kipplager für Brücken oder ähnliche Tragwerke
DE2461325B1 (de) * 1974-12-24 1976-04-01 Kober Ag Gleitlager fuer Bruecken oder aehnliche Bauwerke
US4046354A (en) * 1975-08-26 1977-09-06 Stith Jr Morris Randall Apparatus for positioning and supporting a machine
US4173329A (en) * 1976-09-22 1979-11-06 Stith Morris R Jr Jack for positioning and supporting a machine
US4484512A (en) * 1981-09-10 1984-11-27 Jacques Dechavanne Seal, scraper, and guide for double-acting piston
DE3209120C1 (de) * 1982-03-12 1987-10-01 Boris Dr-Ing Topaloff Bewehrtes Elastomerlager zur Auflagerung von schweren Bauteilen,insbesondere bei Bruecken
EP0122474A3 (de) * 1983-04-13 1986-02-05 Schwäbische Hüttenwerke Gesellschaft mit beschränkter Haftung Hublager zum Übertragen und Anheben bzw. Absenken schwerer Lasten
US4592532A (en) * 1983-11-14 1986-06-03 Stith Jr M Randall Expansible support and method of use
DE3443120C2 (de) * 1984-11-27 1987-01-08 SHW Schwäbische Hüttenwerke GmbH, 7080 Aalen Höhenverstellbares Gummitopflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten, insbesondere im Brückenbau

Also Published As

Publication number Publication date
ATE57213T1 (de) 1990-10-15
DE3765296D1 (de) 1990-11-08
EP0243763A2 (de) 1987-11-04
US4779842A (en) 1988-10-25
CS270223B2 (en) 1990-06-13
EP0243763A3 (en) 1988-11-17
CS285487A2 (en) 1989-10-13

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