EP0183208B1 - Höhenverstellbares Topflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten von Bauwerken, insbesondere Brückenbauwerken - Google Patents

Höhenverstellbares Topflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten von Bauwerken, insbesondere Brückenbauwerken Download PDF

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Publication number
EP0183208B1
EP0183208B1 EP85114877A EP85114877A EP0183208B1 EP 0183208 B1 EP0183208 B1 EP 0183208B1 EP 85114877 A EP85114877 A EP 85114877A EP 85114877 A EP85114877 A EP 85114877A EP 0183208 B1 EP0183208 B1 EP 0183208B1
Authority
EP
European Patent Office
Prior art keywords
pot
plate
radius
insert
fact
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
EP85114877A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0183208A3 (en
EP0183208A2 (de
Inventor
Wolfhart Dr. Ing. Andrä
Hans-Peter Dr. Ing. Andrä
Erwin Dr. Ing. E.H. Beyer
Karl Obering. Bayer
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 AT85114877T priority Critical patent/ATE57212T1/de
Publication of EP0183208A2 publication Critical patent/EP0183208A2/de
Publication of EP0183208A3 publication Critical patent/EP0183208A3/de
Application granted granted Critical
Publication of EP0183208B1 publication Critical patent/EP0183208B1/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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/36—Bearings or like supports allowing movement

Definitions

  • the invention relates to a height-adjustable pot bearing for transferring and lifting or lowering heavy loads of structures, in particular bridge structures.
  • Height-adjustable bearings of this type consist of a pot made of steel with a circular or rectangular plan. Partially embedded in the pot is a cover plate, also made of steel, through which a pressure space enclosed on all sides is formed together with the walls of the pot and the bottom thereof.
  • this pressure chamber there is a plate that completely fills it out of a rubber-like deformable, practically incompressible material, preferably an elastomer material. So that the deformable material under high pressure cannot squeeze into the gap between the contour surface of the cover plate and the wall of the pot or even emerge upwards, special sealing elements are arranged, which are embedded in a circumferential recess at the upper edge of the plate .
  • This type of bearing has the property that the cover plate on which the structure or the bridge part rests can perform tilting movements about any horizontal axis because the plate made of the deformable material behaves like a hydraulic fluid under high pressure.
  • the bearing can also be rotated 180 ° around a horizontal axis so that the pot is on top and the cover plate is on the bottom.
  • bearings can also be used to raise or subsequently lower a heavy load of a building or a bridge.
  • they are equipped with a device for pressing in a low-viscosity fluid, which is compatible with the plastic material, by means of a bore opening into the pressure chamber which is enclosed on all sides.
  • a device for pressing in a low-viscosity fluid which is compatible with the plastic material
  • the deformable plate is displaced locally and the volume of the pressure space enclosed on all sides is increased, so that the cover plate rises with the structure resting on it.
  • the enclosed volume can be reduced again and thus the cover plate with the building can be lowered again.
  • the invention is based on the consideration that instead of the annular seals used between the inner wall of the pot and the outer surface of the deformable plate, this plate itself should be designed in such a way that it is also able to perform a reliable sealing function.
  • the design according to the invention consists in the fact that the deformable plate has a circumferential slot which is cut at a short distance from the circumferential line of the inner wall of the pot and concentrically to this narrow, open at the bottom, up to about 3/4 of the thickness of the deformable plate having.
  • a particularly advantageous embodiment consists in arranging the outlet opening for the pressure fluid opening into the pressure chamber immediately below the circumferential, open slot in the deformable plate. This allows the hydraulic fluid to penetrate the slot in the shortest possible way and bring the sealing lip into contact with the inner wall of the pot.
  • a development of the invention is that the deformable plate before installation in the pot in the lower region of the plate thickness a radius larger by a certain amount than the inner pot or plate surface radius and that the radial width of the slot open at the bottom is about the same Dimension has increased radius.
  • the deformable plate is pressed onto the inside radius of the pot using a clamp and inserted into the pot pushed. After inserting the plate, which is pressed onto the inner radius of the pot by means of the clamp, the springback of the deformed sealing lip creates the desired and immediately effective "primary" contact pressure on the inner wall of the pot, so that the full sealing effect is achieved before the pressure fluid is pressed in.
  • a similar mode of operation can be achieved by another modification of the invention.
  • the "primary" contact pressure between the sealing lip and the inner wall of the pot can also be achieved by inserting an insert with a round or angular cross section against one or both of the slot side wall surfaces, which spreads the slot side wall surfaces apart, into the circumferential slot of the deformable plate which is open at the bottom.
  • the outer radius of the deformable plate in the lower region of its thickness is greater than the inner radius of the pot before installation, and the plate can be pressed onto the inner radius of the pot by means of a clamp and pushed into the pot.
  • Such an insert can be rigid or resilient in the radial direction.
  • An insert rigid in the direction of the slot width can e.g. be a one- or multi-part ring made of metal or plastic, which is pressed into the slot in the pot before the deformable plate is installed, thereby widening it by the required amount:
  • the insert in the case of an annular insert resting on both sides of the slot walls, the latter is designed such that the liquid pressure can spread over the entire height of the slot.
  • the insert made of a ring made of metal or plastic with a triangular cross section, which abuts the slot walls on both sides and presses them apart in a wedge shape
  • the insert can be provided with radial slots in cross section, in which the pressure fluid can rise up to the wedge tip.
  • the horizontal liquid pressure can thus have an even effect on the entire slot height or press the sealing lip against the inside wall of the pot at full height.
  • a radially elastic insert can e.g. consist of a corrugated spring steel strip in the plan, which is inserted into the slot and this spreads by a certain amount.
  • the pressure fluid is pressed into the gap 7 between the surface of the pot bottom 3 and the lower surface of the deformable plate 1, whereby this increases from the dimension 7 to the dimension 8 or the plate 1 and thus the cover plate 4 oppose each other lift the load (not shown) by this amount. It slides with its outer surface 9 of the plate 1 along the inner wall 10 of the pot in the vertical direction.
  • the deformable plate 1 has a small distance from the inner wall of the pot and concentric to it a narrow, circumferential slot 11 which is open at the bottom and is cut to about 3/4 of the thickness of the plate 1.
  • the slot width is 12 and the slot side panels are designated 13.
  • the plate 1 in the pot 2 and 3 the plate is pressed together in the radial direction to the dimension 2 R by a ferrule, the gap width being reduced to the dimension 12.
  • the lower side of the sealing lip is now pressed against the inner wall 9 of the pot in accordance with its radial resistance to deformation.
  • the sealing effect is initially generated by a kind of preload, even without the hydraulic contact pressure, i.e. through a "primary" contact pressure.
  • the radius r of the deformable plate 1 in the lower region before the installation is 14 greater than the radius R of the pot.
  • This enlargement is achieved by inserting an insert 16 which is deformable in the radial direction into the gap 11, as a result of which the initial width 12 spreads it out to the width 17.
  • the insert here consists of corrugated ring-shaped spring steel band pieces which are corrugated in plan and which lie locally with their wave crests or valleys on the two slit side surfaces.
  • the corrugated steel strip 16 which spreads the slot 11 is deformed and changes into the shape 18 with correspondingly flatter waves: the sealing lip separated by the slot is now pressed against the element according to the deformation resistance of the corrugated spring band steel Pot wall 10 pressed.
  • FIG. 4 shows a similar embodiment of a prestressed lip seal according to the invention.
  • the slot 26 is a separating section. Before installation in the pot 2, the slot 26 of the deformable plate 1 is spread in the lower region by an annular spreading insert 24 of triangular or trapezoidal cross section.
  • the annular spreading insert 24 is provided with vertically extending slots 25 which form cavities in which the pressurized fluid which is subsequently injected can rise.
  • the spreading insert expands the elastomer plate, especially in the lower area, so that the radius r of the elastomer plate 1 increases by the amount 22; for installation, the radius of the container is pressed onto the inside radius R of the container in the manner described.
  • the view acc. Fig. 6 shows a view in the direction "A" acc. Fig. 5 on the development of the spreading insert 24, from which the vertically extending slots 25 can be seen.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Sealing Of Bearings (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP85114877A 1984-11-27 1985-11-23 Höhenverstellbares Topflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten von Bauwerken, insbesondere Brückenbauwerken Expired - Lifetime EP0183208B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85114877T ATE57212T1 (de) 1984-11-27 1985-11-23 Hoehenverstellbares topflager zum uebertragen und anheben bzw. absenken schwerer lasten von bauwerken, insbesondere brueckenbauwerken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3443120 1984-11-27
DE3443120A DE3443120C2 (de) 1984-11-27 1984-11-27 Höhenverstellbares Gummitopflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten, insbesondere im Brückenbau

Publications (3)

Publication Number Publication Date
EP0183208A2 EP0183208A2 (de) 1986-06-04
EP0183208A3 EP0183208A3 (en) 1989-04-19
EP0183208B1 true EP0183208B1 (de) 1990-10-03

Family

ID=6251211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85114877A Expired - Lifetime EP0183208B1 (de) 1984-11-27 1985-11-23 Höhenverstellbares Topflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten von Bauwerken, insbesondere Brückenbauwerken

Country Status (6)

Country Link
US (1) US4687182A (cs)
EP (1) EP0183208B1 (cs)
AT (1) ATE57212T1 (cs)
CA (1) CA1271211A (cs)
CS (1) CS258475B2 (cs)
DE (1) DE3443120C2 (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3765296D1 (de) * 1986-04-22 1990-11-08 Schwaebische Huettenwerke Gmbh Hoehenverstellbares gummitopflager mit einer elastomere-platte.
AT395047B (de) * 1990-11-21 1992-08-25 Reisner & Wolff Eng Topfartiger hydraulikzylinder
EP2784220B1 (de) 2013-03-28 2015-09-09 Mageba S.A. Topflager
CN108677700B (zh) * 2018-07-09 2019-11-08 广州市市政工程设计研究总院有限公司 一种大吨位分级连续测力调力支座及集群控制体系

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1429036A (en) * 1921-03-15 1922-09-12 Iftiger William Carl Plunger
US2664163A (en) * 1949-04-16 1953-12-29 L L Rector Well cementing apparatus
US2753230A (en) * 1954-09-02 1956-07-03 George A Mosites Slush pump piston
US2727471A (en) * 1955-04-29 1955-12-20 Ralph W Walsh Pressure responsive seal units
US3182568A (en) * 1963-11-18 1965-05-11 Davis Arthur George Piston for expanding arbor
GB1355789A (en) * 1970-11-21 1974-06-05 Hepworth & Grandage Ltd Pistons
DE2527128B2 (de) * 1975-06-18 1977-06-30 Gutehoffnungshütte Sterkrade AG, 4200 Oberhausen Hoehenverstellbares topflager
JPS58131469A (ja) * 1982-01-29 1983-08-05 Honda Motor Co Ltd シ−ル装置
DE3330143C2 (de) * 1983-04-13 1986-01-23 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Höhenverstellbares Gummitopflager zum Übertragen und Anheben bzw. Absenken schwerer Lasten, insbesondere im Brückenbau
EP0122474A3 (de) * 1983-04-13 1986-02-05 Schwäbische Hüttenwerke Gesellschaft mit beschränkter Haftung Hublager zum Übertragen und Anheben bzw. Absenken schwerer Lasten

Also Published As

Publication number Publication date
ATE57212T1 (de) 1990-10-15
EP0183208A3 (en) 1989-04-19
CS853585A2 (en) 1987-09-17
DE3443120A1 (de) 1986-06-05
DE3443120C2 (de) 1987-01-08
US4687182A (en) 1987-08-18
CS258475B2 (en) 1988-08-16
EP0183208A2 (de) 1986-06-04
CA1271211A (en) 1990-07-03

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