EP1935834A1 - Elément télescopique - Google Patents
Elément télescopique Download PDFInfo
- Publication number
- EP1935834A1 EP1935834A1 EP07022978A EP07022978A EP1935834A1 EP 1935834 A1 EP1935834 A1 EP 1935834A1 EP 07022978 A EP07022978 A EP 07022978A EP 07022978 A EP07022978 A EP 07022978A EP 1935834 A1 EP1935834 A1 EP 1935834A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recess
- profile tube
- reinforcing
- verbolzstelle
- plates
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
Definitions
- the invention relates to a telescopic weft according to the preamble of claim 1.
- Telescopic shots are used, for example, in mobile cranes. They usually consist of profile tubes. After pushing out, they are bolted together. These Verbolzstellen transfer large forces. Therefore, they are usually performed reinforced. Such a reinforced version is carried out by a further sheet metal layer which is applied in this area. This additional sheet metal layer is commonly referred to as a bolt plate or locking plate.
- Object of the present invention is to provide a generic telescope shot with a simple to apply and thus cost-effective reinforcement in the field of Verbolzstelle.
- Verbolzstelle reinforcing plates may be glued on both sides of the profile tube.
- the plates which reinforce the bolting point may advantageously have a thickness which increases towards its recess.
- the recess in the profile tube is dimensioned so that it receives a projection of the Verbolzstelle reinforcing plates.
- the advantage lies in the fact that already in the connection point between the bolt plate and telescopic profile a positive connection is made.
- the recess of the telescopic profile defined here exactly the place in which the bolt plate must be positioned, so that the arrangement of the bolt plate is additionally facilitated during assembly.
- Verbolzstelle reinforcing plates may be glued together in the region of their projections within the recess of the profile tube, while they are glued outside the recess on the profile tube.
- the Verbolzstelle reinforcing plates can complete with their recess congruent with the recess of the profile tube. This allows the Verbolzstelle and the Verbolzteller be made particularly simple and inexpensive.
- the Verbolzstelle can be arranged in the upper flange, in one or both of the side walls and / or the lower flange of the profile tube.
- FIG. 1 a section through a detail of a telescopic section 10 is shown.
- an upper flange 12 of the telescopic section 10 forming profile tube is shown here, which has a recess 22 through which a not shown here pin for making a bolt connection can be inserted.
- the recess 22 is formed in the profile tube larger than the diameter of the plug pin not shown here.
- a recess corresponding to the diameter of the plug-in pin for connection has the otherwise circularly formed plates 16 and 18 which serve to reinforce the bolting point 14.
- these sheets 16 and 18 each have a projection 26 which is dimensioned so that the plates 16 and 18 in the recess 22 in the profile tube 12 abut by the correspondingly formed paragraph (see , FIG. 1 ).
- the projections 26 are further dimensioned so that the sheets 16 and 18 in the region of the recess 22 of the profile tube 12 are connected to each other in area by an adhesive surface 20.
- the sheets 16 and 18 have an increasing thickness towards their recess 24. This thickness can, as in FIG. 1 is shown, gradually increase.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200620019308 DE202006019308U1 (de) | 2006-12-21 | 2006-12-21 | Teleskopschuß |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1935834A1 true EP1935834A1 (fr) | 2008-06-25 |
EP1935834B1 EP1935834B1 (fr) | 2011-09-28 |
Family
ID=39205953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20070022978 Expired - Fee Related EP1935834B1 (fr) | 2006-12-21 | 2007-11-27 | Elément télescopique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1935834B1 (fr) |
DE (1) | DE202006019308U1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010013544U1 (de) * | 2010-09-23 | 2012-01-19 | Liebherr-Werk Ehingen Gmbh | Teleskopschuß und Kran mit Teleskopschuß |
DE202019101975U1 (de) | 2019-04-05 | 2019-04-15 | Manitowoc Crane Group France Sas | Teleskopschuss mit Blechaussteifung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29824867U1 (de) | 1997-05-28 | 2003-03-06 | Demag Mobile Cranes Gmbh & Co | Kran mit einem Teleskopausleger |
US6786233B1 (en) * | 2001-02-23 | 2004-09-07 | Schwing America, Inc. | Boom utilizing composite material construction |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1193544A (en) * | 1968-02-28 | 1970-06-03 | Jones Cranes Ltd | Improvements in or relating to Cranes. |
DE4018222A1 (de) * | 1990-06-07 | 1991-12-12 | Krupp Industrietech | Teleskopausleger mit kupplungsvorrichtung fuer ausschiebeanordnung |
ATE286849T1 (de) * | 1999-04-29 | 2005-01-15 | Terex Demag Gmbh & Co Kg | Kran mit einem teleskopausleger |
-
2006
- 2006-12-21 DE DE200620019308 patent/DE202006019308U1/de not_active Expired - Lifetime
-
2007
- 2007-11-27 EP EP20070022978 patent/EP1935834B1/fr not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29824867U1 (de) | 1997-05-28 | 2003-03-06 | Demag Mobile Cranes Gmbh & Co | Kran mit einem Teleskopausleger |
US6786233B1 (en) * | 2001-02-23 | 2004-09-07 | Schwing America, Inc. | Boom utilizing composite material construction |
Also Published As
Publication number | Publication date |
---|---|
DE202006019308U1 (de) | 2008-04-30 |
EP1935834B1 (fr) | 2011-09-28 |
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