EP0589419A1 - Dispositif de blindage - Google Patents
Dispositif de blindage Download PDFInfo
- Publication number
- EP0589419A1 EP0589419A1 EP93115200A EP93115200A EP0589419A1 EP 0589419 A1 EP0589419 A1 EP 0589419A1 EP 93115200 A EP93115200 A EP 93115200A EP 93115200 A EP93115200 A EP 93115200A EP 0589419 A1 EP0589419 A1 EP 0589419A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- abutment
- shoring
- plates
- leaf
- posts
- 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- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
- E02D17/083—Shoring struts
Definitions
- the invention relates to a shoring device for supporting trench walls with two large-area shoring plates, which are held apart by a supporting frame arranged in the middle of the shoring plates or two support frames arranged at the ends of the shoring plates and connected to form a unit, a supporting frame consisting of two vertical, cross-sectionally U-shaped abutment posts and two length-adjustable spreaders connected to the abutment posts pivotably about horizontal axes, and the spreaders by means of leaf springs attached to the abutment posts, the resilient ends of which press against the spreaders from above and below, at right angles to the abutment posts and sheeting plates are held.
- a shoring device of this type is known from DE 22 57 881 C3.
- the ends of the struts are mounted in open bearing shells which are fastened to the inside of the side walls of the abutment posts.
- the two lateral surfaces of the stub axles, each pointing towards the longitudinal axis of the trench, are encompassed by curved ends of at least two leaf springs arranged in mirror image to one another, each of which wraps around a horizontal retaining bolt inserted above and below the stub axle in the side walls.
- the inward-facing, resilient legs of the leaf springs which press against the ends of the struts from above and from below, are pretensioned by means of horizontal tensioning bolts, which are inserted inwards against the retaining bolts, ie away from the shoring panels, into the abutment posts.
- the invention has for its object to improve a shoring device of the type mentioned so that it is lighter in weight and less expensive to manufacture with the same resilience and that the stock-holding and replacement of the springs is significantly simplified.
- Each leaf spring can consist of a spring steel part or a package of spring steel parts. If a progressive spring characteristic is desired, the spring leaves of a package can be stepped. It will be useful for a spring assembly to be composed of only two or at most three spring leaves.
- the shoring device which is partially shown in FIGS. 1 and 2, consists of two shoring plates 1 and 2, which are kept at a distance from a support frame and are connected to form a unit.
- the support frame is composed of two vertical abutment posts 3 and 4 with a U-shaped cross section and two length-adjustable spreaders 5 connected to the abutment posts 3, 4 and pivotable about vertical axes 6 and 7.
- the spreaders 5 are held at right angles to the abutment posts 3 and 4 by means of leaf springs 15 and 16 fastened to the abutment posts 3 and 4.
- the free ends of the leaf springs 15 and 16 lie with prestress on support webs 21 which are attached to the ends of the struts 5 and to the bearing bushes 12 of the struts 5.
- Above and below the horizontal axes 6 and 7 are arranged in the abutment posts 3 and 4 parallel to the axes 6 and 7 abutment plates 17, on each of which a substantially flat leaf spring 15, 16 is attached easily replaceable.
- the leaf springs 15 and 16 have a through hole 20 which at System of the leaf springs 15 and 16 on the base wall of the abutment posts 3 and 4 is aligned with a threaded bore which is arranged in the abutment plate 17.
- a screw 19 and a clamping plate 18 By means of a screw 19 and a clamping plate 18, the leaf springs 15 and 16 can be fastened on the abutment plates 17 in such a way that they rest on the support webs 21 of the bearing bushes 12 with a certain preload.
- the abutment plates 17 are essentially rectangular and are welded to the side walls of the U-shaped abutment posts 3 and 4.
- the clamping plates 18 can be loose, but they can also be welded to the base wall of the abutment posts 3 and 4 with their edge facing the base wall of the abutment posts 3 and 4.
- the gap between the abutment plate 17 and the clamping plate 18 is dimensioned so that the leaf springs 15 and 16 can be easily inserted into the gap thus formed.
- the leaf springs 15 and 16 can each consist of only one steel spring leaf, but they can also be formed by a package of steel spring leaves. 1 and 2, the leaf spring 16 'is formed by two spring leaves, the outer spring leaf resting on the inner spring leaf being shorter than the inner spring leaf.
- the spreader 5 shown in FIGS. 1 and 2 is composed of a spindle 9, a spindle nut 10, a spacer tube 11 and the two bearing bushes 12. Furthermore, there is an intermediate bushing 13 between the spindle tube 9 and the bearing bush 12.
- shoring panels 1 and 2 When dismantling a shoring device, shoring panels 1 and 2 are raised alternately.
- the spreaders 5 pivot relative to the abutment posts 3 and 4 against the force of the springs 15 and 16 by about 5 to 8 °.
- FIG. 2 when the left shoring plate 1 is raised compared to the right shoring plate 2, the lower leaf spring 16 of the left abutment post 3 and the upper leaf spring 15 of the right abutment post 4 are loaded, while the other two leaf springs 15 and 16 'are relieved.
- parts 23 are provided on the bearing bushes 12 'parallel to the support webs 21 and form a through opening 22 for the leaf springs 15 and 16 between them and the support web 21.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Springs (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4231614A DE4231614A1 (de) | 1992-09-22 | 1992-09-22 | Verbauvorrichtung |
DE4231614 | 1992-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0589419A1 true EP0589419A1 (fr) | 1994-03-30 |
Family
ID=6468487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93115200A Withdrawn EP0589419A1 (fr) | 1992-09-22 | 1993-09-21 | Dispositif de blindage |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0589419A1 (fr) |
DE (1) | DE4231614A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021189751A1 (fr) * | 2020-03-25 | 2021-09-30 | 上海建工二建集团有限公司 | Système de support annulaire de colonne de précontrainte, et son procédé de contrôle de déformation |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103243722B (zh) * | 2012-02-13 | 2015-10-28 | 郑鸿彰 | 基坑新型内支撑的施工方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2257881A1 (de) * | 1972-11-25 | 1974-05-30 | Josef Emunds | Verbauvorrichtung zum abstuetzen von grabenwaenden |
JPS6073914A (ja) * | 1983-09-30 | 1985-04-26 | Umezawa Eng:Kk | 土留装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE417805C (de) * | 1925-08-18 | Traugott Onnasch | Abfederung fuer Kraftfahrzeuge | |
DE3149309A1 (de) * | 1981-12-12 | 1983-06-16 | Volkswagenwerk Ag, 3180 Wolfsburg | "radaufhaengung fuer kraftfahrzeuge, insbesondere personenkraftwagen" |
FR2528364B1 (fr) * | 1982-06-14 | 1985-12-20 | Renault | Train arriere de suspension notamment pour petits vehicules automobiles |
DE3432244A1 (de) * | 1984-07-13 | 1986-01-16 | Benno 8400 Regensburg Domesle | Gelenkkopfanordnung zum gelenkigen und jederzeit wieder loesbaren verbinden einer spreize mit einer verbauwand eines verbaus |
DE3711408A1 (de) * | 1987-03-31 | 1988-10-20 | Sbh Anlage Technik Gmbh | Gleitschuh |
-
1992
- 1992-09-22 DE DE4231614A patent/DE4231614A1/de not_active Withdrawn
-
1993
- 1993-09-21 EP EP93115200A patent/EP0589419A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2257881A1 (de) * | 1972-11-25 | 1974-05-30 | Josef Emunds | Verbauvorrichtung zum abstuetzen von grabenwaenden |
JPS6073914A (ja) * | 1983-09-30 | 1985-04-26 | Umezawa Eng:Kk | 土留装置 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 9, no. 215 (M - 409)<1938> 3 September 1985 (1985-09-03) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021189751A1 (fr) * | 2020-03-25 | 2021-09-30 | 上海建工二建集团有限公司 | Système de support annulaire de colonne de précontrainte, et son procédé de contrôle de déformation |
Also Published As
Publication number | Publication date |
---|---|
DE4231614A1 (de) | 1994-03-24 |
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Legal Events
Date | Code | Title | Description |
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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 |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
17P | Request for examination filed |
Effective date: 19940409 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT DE ES FR GB PT |
|
17Q | First examination report despatched |
Effective date: 19950220 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
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: 19960706 |