EP0006621A1 - Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis - Google Patents

Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis Download PDF

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Publication number
EP0006621A1
EP0006621A1 EP79102161A EP79102161A EP0006621A1 EP 0006621 A1 EP0006621 A1 EP 0006621A1 EP 79102161 A EP79102161 A EP 79102161A EP 79102161 A EP79102161 A EP 79102161A EP 0006621 A1 EP0006621 A1 EP 0006621A1
Authority
EP
European Patent Office
Prior art keywords
lower plate
support
slide bearing
curved surface
plate
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
EP79102161A
Other languages
German (de)
English (en)
Other versions
EP0006621B1 (fr
EP0006621B2 (fr
Inventor
Gerhard Greb
Maurice G. Baigent
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.)
Federal Mogul Deva GmbH
Original Assignee
Glacier GmbH Deva Werke
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6043503&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0006621(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Glacier GmbH Deva Werke filed Critical Glacier GmbH Deva Werke
Priority to AT79102161T priority Critical patent/ATE152T1/de
Publication of EP0006621A1 publication Critical patent/EP0006621A1/fr
Publication of EP0006621B1 publication Critical patent/EP0006621B1/fr
Application granted granted Critical
Publication of EP0006621B2 publication Critical patent/EP0006621B2/fr
Expired 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
    • E01D19/042—Mechanical bearings
    • E01D19/046—Spherical bearings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49641—Linear bearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49643—Rotary bearing
    • Y10T29/49647—Plain bearing

Definitions

  • the invention relates to a tilting slide bearing for bridges or similar structures, with a flat top plate, an intermediate plate and a lower plate, the intermediate plate being displaceably mounted along an arched curved surface on the lower plate, the surface of the lower plate having a curvature attached to it provided with a correspondingly arched support made of corrosion-resistant material and on the underside of the intermediate plate a coating made of a material with a low coefficient of friction compared to the material for the support of the lower plate is attached.
  • the invention further relates to a method for lining the concavely curved top of the lower plate of such a tilting slide bearing, in which a layer of good corrosion-resistant material corresponding to the curvature surface of the lower plate of the bearing is applied to this and attached to it.
  • the sliding surface is conventionally designed in the spherical plane in such a way that there is a friction combination of PTFE and hard chrome.
  • the PTFE layer is chambered in the concavely curved upper side of the lower bearing part, while the curvature against the PTFE layer, which is convexly adapted to the concave curvature of the lower layer, is hard-chromed on its surface on the underside of the intermediate plate ("calotte") .
  • a tilting slide bearing according to the preamble of claim 1 is known (Swiss Patent No. 421 167), in which the curved surface of the lower plate is convex and the curved surface of the intermediate plate lying against it is correspondingly concave.
  • the corrosion protection layer is applied to the outwardly shaped (convex) spherical surface of the lower plate, which, from a manufacturing point of view, already poses considerable difficulties.
  • this known bearing construction has so far not been successful in practical use: For example, Due to the center shift behavior of the center of gravity in such bearings, load initiation is often not sufficiently cheap.
  • the object of the invention is to improve such a known tilting slide bearing in such a way that the disadvantages mentioned are largely avoided with economical manufacturing possibilities and simple assembly and nevertheless the application of a hard chrome layer on the spherical sliding surface of the lower bearing part is not necessary. Furthermore, the invention has for its object to provide a method for lining the spherically curved top of the lower plate for tilt slide bearings according to the invention.
  • the object on which the invention is based is achieved in a tilting slide bearing in accordance with the preamble of claim 1 in that the sliding surface of the support and the curved surface of the lower plate are concave and the arched support fastened to the lower plate consists of an austenitic sheet steel plate ground and polished on one side , whose uncut and polished surface faces the curved surface of the base plate.
  • the thickness of the arched support is preferably between 0.75 and 5 mm, with a steel sheet thickness between 1 mm and 2.5 mm advantageously being used in most applications.
  • the throughput times in the manufacture of such bearings can be shortened considerably, since, because of the pre-deformation of the support separate from the other bearing manufacture, the creation and processing of the individual parts can take place parallel to one another.
  • the tilting slide bearings according to the invention can also be carried out very inexpensively, because the preformed arched supports to be used according to the invention (mostly designed as partial spherical disks) can be obtained commercially without difficulty as a purchased part.
  • the measures according to the invention impress with a particular simplicity of the lining, the use of polished and polished bearing plates that are polished on one side can be carried out and any kind of reworking of the concavely curved sliding surface of the support designed as a bearing surface is completely avoided; because the commercially available steel sheets already have the prescribed surface quality.
  • a particularly secure fastening option in the sense of the operational safety to be required can be achieved in a slide bearing according to the invention in that the support, which is designed as a concave bulging disc, is glued to the lower plate and / or is screwed to the lower plate with countersunk screws in the outer region of its circumference.
  • the concavely arched support is against the concave curved surface of the lower plate by means of an externally attached to its periphery on the lower plate Screwed retaining ring clamped, the inner surface, again preferably, may have a slope that runs against a correspondingly complementary slope on the outer circumference of the support and thereby presses the disc firmly onto the seat.
  • Another advantageous embodiment can also consist in that a lower slope is provided on the inside of the retaining ring, which bears against a correspondingly complementary slope on the outer circumference of the support and which merges into a radially inwardly directed retaining ring projection against which the upper circumferential edge of the support rests. This results in a non-positive and form-fitting pressing of the disk against its base, and at the same time a centering effect can also be used.
  • Another advantageous embodiment of the tilting slide bearing according to the invention also consists in the fact that the retaining ring presses the steel sheet disc in its edge region against the lower plate from above via a rounded inner bead.
  • the austenitic steel sheet used for the bulging disc consists of a chromium-nickel-molybdenum alloy, preferably the material with the material number 1.4401 according to DIN 17440 (material designation: X 5 Cr Ni Mo 18 10).
  • the material covering facing the preformed curved disc is made of PTFE on the underside of the intermediate plate and is provided with lubrication pockets on its surface facing the preformed disc, which in turn are completely filled with lubricant.
  • the bearing according to the invention impresses with the particular simplicity of the lining, while at the same time the desired design accuracies for such bearings can be maintained without difficulty even using commercially available sheet metal, and the selected fastening options shown are also completely satisfactorily effective with regard to the required operational reliability.
  • the method according to the invention is based on a method for lining the concavely curved top of the Bottom plate of such a tilting slide bearing according to the invention, in which a support made of a material which is resistant to corrosion is applied to and fixed to the curvature surface of the bottom plate of the bearing.
  • a disk made of austenitic steel sheet ground and polished on one side and having a thickness between 0.75 mm and 5 mm is preformed corresponding to the concave curved surface of the lower plate of the bearing, but with a slight overmolding in its central area, the ground and polished side of the steel sheet which does not form the sliding surface of the disk which is intended to bear against the curved surface of the lower plate, and then further braces the concave preformed support in this way using a fastening acting on its outer area on the lower plate in its end position on the concave curved surface of the lower plate.
  • the method according to the invention can be carried out simply and quickly, and all suitable fastening options can be provided as the fastening.
  • the outer area is pressed against the lower plate by means of a retaining ring for the bracing fastening of the support; further preferably, the support on the lower plate, if necessary additionally, can also be glued and / or screwed and / or welded.
  • the bearings according to the invention can also be produced more quickly and with a particularly high degree of uniformity, at the same time that of the plane Lateral deflections of the top plate to be accommodated in the event of a deformation movement of the superstructure are smaller than, for example, in the case of slide bearings of the generic type and, likewise, the load introduction into the bearing can be kept more favorable than in the case of the generic tilting slide bearing due to the center shift behavior of the center of gravity. Furthermore, the bearings according to the invention can also be produced much more quickly than when applying a hard chrome layer and can be produced with particularly great uniformity (particularly small tolerances).
  • the shell sheets which have a thickness of 2 mm or less, preferably of 1 mm or less, are used in an adhesive bond between the shell and the base plate. This allows a good post-deformation possibility to be achieved during the assembly and bonding process. If thicker sheets are used here, the post-deformation forces to be applied may be relatively high during assembly, so that the load-bearing capacity of the adhesive layer may be exceeded and this could lead to undesired detachment phenomena.
  • the preformed shell is simply attached to the base using a suitable metal adhesive and, as has already been pointed out, can also be added in its arched shape after the adhesive has set the outer edges can also be held down with countersunk screws (or by using a retaining ring, by welding or similar).
  • a suitable metal adhesive can also be added in its arched shape after the adhesive has set the outer edges can also be held down with countersunk screws (or by using a retaining ring, by welding or similar).
  • additional pretreatment of the steel surface is also necessary Prevention of rusting not necessary.
  • an upper plate 1 can be seen, which is flat on its underside and with a good corrosion resistance Support layer 2 is provided.
  • This support layer 2 can consist of a suitable stainless steel sheet as well as a hard chrome layer.
  • the intermediate plate 4 of the bearing is flat on its upper side and there has a PTFE layer in a chambered receptacle, which protrudes slightly beyond the flat surface of the intermediate plate 4 and is in (frictional) contact with the support 2 on the upper plate 1.
  • the intermediate plate 4 is spherically curved on its underside, in the exemplary embodiment shown it is spherical.
  • This "anti-corrosion layer” is designed in the form of a concave configuration of the curved surface of the lower plate 7, which bulges 6, which on the lower plate 7 in the example shown with an adhesive layer 10 (FIG. 2) and in its edge region additionally in bores 12 (FIG 3) recessed countersunk screws 9 (Fig. 1 or Fig. 2) is attached.
  • the lower plate 7 in turn is then arranged on a suitable foundation 8, which is not shown in FIG. 1.
  • the chambered PTFE friction layer 5 is provided in the curved lower surface of the intermediate plate 4 on its side facing the lower plate with lubricant-filled lubrication pockets 11, by means of which permanent lubrication of the spherical sliding surface can be ensured.
  • the round shape shown in FIG. 3 for a disk 6 represents only one possible embodiment of such a disk.
  • a corrosion-preventing layer 17 is (at least) applied to the lower plate 7 in the area of the contact surface of the lower plate 7 for the pane 6.
  • This corrosion protection layer 17 is carried out as a double application of the so-called “base coat”, which is in a range of approximately 50 ⁇ m layer thickness.
  • the retaining ring 13 which is clamped on the lower plate 7 by means of screws 9 ′, is provided with a bevel 14 lying on the inside at the bottom thereof, which bears against a corresponding bevel at the end of the layer 6. If the retaining ring 13 is now tightened against the lower plate 7 by means of the screws 9 ', then an increasing tensioning of the shell 6 against the lower plate 7 is achieved due to the wedge action between the bevels of the retaining ring 13 and the shell 6 until a complete adaptation to the base and there is an absolutely tight fit.
  • the retaining ring 13 in the exemplary embodiment according to FIG. 5 in turn has a bevel 14 at the bottom on its inside, but this time it is not (as in the exemplary embodiment according to FIG. 4) considerably longer than the bevel of the bulging disk 6; rather, the bevel 14 here merges directly at the upper outer edge of the curved disc 6 into a radially inwardly projecting shoulder 15 of the retaining ring 13, so that when the retaining ring 13 is screwed onto the lower plate 7, the wedge effect on the bevel 14 (similarly) as in the example according to FIG. 4), at the same time, however, due to the angle formed between the bevel 14 and the projection 15, an upward deflection of the disc 6 is prevented by contacting the projection 15 and thereby additionally a depression of the end of the disc 6 the facility is achieved there.
  • the bulging disk 6 is preformed before it is applied to the lower plate 7 in such a way that a slight overmolding is formed in its center (ie the radius of curvature there is somewhat smaller than the corresponding radius of curvature on the lower plate 7). If the arched disc 6 preformed in this way is then placed on the lower plate 7, the end region of the plate 6 protrudes somewhat from the associated contact surface.
  • This protrusion is then broken down again by mechanical pressing via the retaining ring 13, which not only leads to the end region of the disk 6 also resting against the receiving surface on the lower plate 7, but at the same time also forms a tension build-up within the plate 6 such that a particularly firm and full contact of the disc 6 on the base 7 is ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Bridges Or Land Bridges (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Bolts, Nuts, And Washers (AREA)
EP79102161A 1978-07-04 1979-06-28 Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis Expired EP0006621B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79102161T ATE152T1 (de) 1978-07-04 1979-06-28 Kippgleitlager fuer bruecken oder aehnliche bauwerke, mit ober-, zwischen- und unterplatte, und verfahren zum auskleiden der gekruemmten oberseite der unterplatte solcher kippgleitlager.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2829309 1978-07-04
DE2829309A DE2829309B2 (de) 1978-07-04 1978-07-04 Verfahren zum Auskleiden der Konkav gewölbten Oberseite der Unterplatte eines Kippbewegungen eines Brückenüberbaus o.dgl. ermöglichenden Lagers und nach diesem Verfahren ausgekleidetes Lager

Publications (3)

Publication Number Publication Date
EP0006621A1 true EP0006621A1 (fr) 1980-01-09
EP0006621B1 EP0006621B1 (fr) 1981-08-12
EP0006621B2 EP0006621B2 (fr) 1986-05-28

Family

ID=6043503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79102161A Expired EP0006621B2 (fr) 1978-07-04 1979-06-28 Appui oscillant et à glissement pour ponts et ouvrages d'art analogues comprenant une plaque supérieure, une plaque intermédiaire et une plaque inférieure et procédé pour revêtir la surface courbée de la plaque inférieure de ces appuis

Country Status (9)

Country Link
US (1) US4320549A (fr)
EP (1) EP0006621B2 (fr)
JP (1) JPS5815561B2 (fr)
AT (1) ATE152T1 (fr)
AU (1) AU527033B2 (fr)
CA (1) CA1133973A (fr)
DE (1) DE2829309B2 (fr)
NZ (1) NZ190908A (fr)
ZA (1) ZA793188B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614329A1 (fr) * 1987-04-23 1988-10-28 Creation Mecanique Appliquee Dispositif de liaison intermediaire entre un tablier de pont et ses piliers de soutien.
EP0551550A1 (fr) * 1992-01-17 1993-07-21 Siemens Aktiengesellschaft Pompe à rotor mouillé

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RU180825U1 (ru) * 2017-05-25 2018-06-26 Общество с ограниченной ответственностью "Альфатех" Опорная часть моста
RU176296U1 (ru) * 2017-06-26 2018-01-16 Общество с ограниченной ответственностью "Альфатех" Опорная часть моста
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DE102018117712A1 (de) * 2018-07-23 2020-01-23 Schreiber Brücken Dehntechnik GmbH Gleitlager im Bauwesen
CN109747773A (zh) * 2018-12-05 2019-05-14 大连中远海运重工有限公司 支撑fpso上部模块的球型轴承安装方法
KR102027794B1 (ko) * 2019-01-03 2019-10-04 아이컨 주식회사 마찰판의 이탈 및 손상이 방지된 교량 받침
RU2730231C1 (ru) * 2019-06-25 2020-08-19 Илья Михайлович Шаферман Устройство и способ изготовления опорной части

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FR2614329A1 (fr) * 1987-04-23 1988-10-28 Creation Mecanique Appliquee Dispositif de liaison intermediaire entre un tablier de pont et ses piliers de soutien.
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Also Published As

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US4320549A (en) 1982-03-23
AU527033B2 (en) 1983-02-10
ATE152T1 (de) 1981-09-15
DE2829309A1 (de) 1980-01-17
DE2829309B2 (de) 1980-08-07
ZA793188B (en) 1980-06-25
EP0006621B1 (fr) 1981-08-12
AU4851579A (en) 1980-01-10
EP0006621B2 (fr) 1986-05-28
JPS5815561B2 (ja) 1983-03-26
CA1133973A (fr) 1982-10-19
JPS559999A (en) 1980-01-24
NZ190908A (en) 1982-12-21

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