EP1062400A1 - Device for introducing or transmitting forces and/or bending moments into the bar of a bar-type supporting frame and bar-type supporting frame having such a device - Google Patents
Device for introducing or transmitting forces and/or bending moments into the bar of a bar-type supporting frame and bar-type supporting frame having such a deviceInfo
- Publication number
- EP1062400A1 EP1062400A1 EP99913114A EP99913114A EP1062400A1 EP 1062400 A1 EP1062400 A1 EP 1062400A1 EP 99913114 A EP99913114 A EP 99913114A EP 99913114 A EP99913114 A EP 99913114A EP 1062400 A1 EP1062400 A1 EP 1062400A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bar
- rod
- sleeve
- supporting frame
- bending moments
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Definitions
- the invention relates to a device for introducing or transferring forces and / or bending moments into the bar of a bar structure and a bar structure equipped with such a device.
- a bar support structure is understood to mean an arrangement of one or more statically coupled bars to which various load bodies or supporting or tensioning cables are fastened.
- Rod structures can therefore include individual masts, such as those used in overhead line and overhead line systems, or entire frame structures, such as those used in the construction of factory buildings.
- the bar structures can be made of metal or shotcrete.
- Load bodies can e.g. Boom or wheel tensioner, as used in overhead line systems for holding and bracing the contact wires and suspension cables.
- Load bodies can also be road lights or similar bodies that are carried by masts.
- the aforementioned suspension or tensioning ropes are not only used for anchoring the contact wires and suspension ropes, they can also be used for anchoring e.g. be provided in the load transfer into a back anchor. They can also be used for suspension or bracing e.g. of the above-mentioned road lights.
- a concrete mast for high-voltage lines is known, on which several reinforced concrete brackets are arranged one above the other.
- the brackets are prefabricated concrete parts with steel reinforcement, which are placed on the concrete mast and concreted on the concrete mast in a manner known from concrete cross beams.
- At the ends of the brackets there are sheet metal plates welded to the steel reinforcement with welded-on fastening bolts to which insulators can be screwed.
- the forces can only be transferred or transferred at points via the fastening bolts of the reinforced concrete brackets.
- the document does not provide any suggestion for the introduction or transfer of forces and / or bending moments at any point on the entire outer surface of a sleeve placed over the rod of a rod supporting structure.
- the device consists of an anchoring ring which is fixed in place at the installation site of the antenna by means of tensioning cables, and a likewise annular receiving part for the antenna mast which is rotatably held on the anchoring ring.
- the antenna mast is attached to the receiving part by means of several clamping screws arranged on the circumference.
- the holder of the receiving part on the anchoring ring is designed to be frictionless or low-friction.
- corresponding roller bearings or similar ⁇ are antifriction Means' is provided.
- the object of the present invention is to improve a device of the type mentioned and a rod supporting structure equipped with it in such a way that an optimal connection between the rod and the load or load carrier is created, which allows a higher load capacity and which enables forces and / or To be able to transfer or transfer bending moments of any size and direction into the bar.
- the device should also be cheaper to manufacture and easier to assemble.
- a rigid cuff made of metal which is adapted to the cross-section of the rod and which extends over the rod 4 can be put over and with the interposition of a bonding bridge non-positively fastened to the rod, the cuff on the outer circumference containing at least one connecting means to which the forces and / or bending moments can be introduced.
- the loads or forces are introduced directly into the sleeve and into the rod via the connection nodes. Since the rigid sleeve is connected to the rod in a shear-resistant manner, both form a composite cross-section from a static point of view. At any point along the circumferential line, this can securely absorb all forces, even bending moments from guying, anchoring, tensioning devices, brackets or the like, using welded or glued-on connecting plates or profiles.
- the rigid sleeve is advantageously made in one piece, and according to a particularly advantageous embodiment it is formed from a closed metal ring.
- the connection means at the connection nodes can be adapted to the circumstances, i.e.
- Corresponding connecting plates can be attached to the cuff for the connection of pulling or guy ropes.
- the cuff can also be provided with a [-profile to link a tensioning device.
- the sleeve can advantageously also serve, as it were, for the connection of earthing lines.
- connecting bolts are provided on the outer circumference of the sleeves, which cooperate with openings in the grounding line, which are preferably designed as elongated holes.
- the adhesive bridge provided between the sleeve and the rod or mast serves on the one hand to compensate for any tolerances and on the other hand to ensure a defined transmission of force between the rod or mast and the sleeve.
- the positive and positive connection can thus be optimized and a shear-resistant composite joint can be produced. Suitable adhesives or grouting mortars can be used as adhesive bridges. Further advantages result from the following description of several exemplary embodiments. Show it:
- FIG. 1 shows a first embodiment of a rod supporting structure with a conical rod in a side view for the connection of a swivel arm
- FIG. 2 shows a section along the line II-II in FIG. 1,
- FIG. 3 shows a second embodiment of a bar supporting structure for the connection of ropes and anchors
- FIG. 4 shows a section along the line IV-IV in FIG. 3,
- FIG. 5 shows a third embodiment of a rod supporting structure for holding tensioning devices
- FIG. 6 shows a section along the line VI-VI in FIG. 5
- FIG. 7 shows a fourth embodiment of a rod supporting structure also for holding tensioning devices
- FIG. 8 shows a section along the line VIII-VIII in FIG. 7,
- FIGS. 9 and 10 details of the connection means on the sleeve according to FIGS. 7 and 8 in front and side view
- FIG. 11 shows a fifth embodiment of a rod supporting structure with an earthing system
- FIG. 12 shows a section along the line XII-XII in FIG. 11,
- FIG. 13 shows a detail from FIG. 11.
- FIG. 1 shows a schematic representation and a side view of a section of a first embodiment 6 of a bar structure.
- the rod support structure 1 comprises a conically shaped rod 2 with a round cross section, on which a swivel arm 3 for holding contact wires and supporting cables of an overhead line system, not explained in more detail, is held.
- the rod 2 can be a concrete mast, for example.
- the swivel bracket 3 is held on the rod 2 by means of two sleeves 4, 5, which have connection elements in the form of welded-on connection plates 6, 7 at nodes which are not described in more detail.
- the sleeves 4, 5 are formed from rigid, closed steel rings 8, which have a wall thickness of approximately 5 to 8 mm and - with the usual mast diameters of approximately 200 to 500 mm - a height of 60 to 200 mm.
- an adhesive bridge 9 in the form of, for example, an adhesive or cement or plastic mortar.
- Figures 3 and 4 show an embodiment of a bar support structure with only one sleeve 10, which is preferably used for the connection of tensioning cables or anchor cables and for this purpose contains two connecting plates 12 welded to the sleeve 10.
- an adhesive bridge 9 is provided between the conical rod 2 and the sleeve 10.
- the embodiment described can also be provided for carrying or bracing roadway lights.
- FIGS. 5 and 6 show an embodiment of a rod support structure in which two wheel tensioners for tensioning or re-tensioning a contact wire and a suspension cable are held on the rod 2 with the aid of two spaced-apart sleeves 13, 14.
- the wheel tensioners are held by bolts 16 on the two sleeves 13, 14.
- two staggered connecting plates 17, 18 are fastened to the circumference of the sleeves, which have corresponding bores for hanging in the wheel tensioner axle 16 or anchoring cables.
- FIGS. 7 to 10 show an embodiment which also serves to hold two wheel tensioners, whereby, in contrast to the previously explained embodiment, the two wheel tensioners are only carried by a single sleeve 19.
- two profiles 21 with welded-on end plates 22 and, on the other hand, two connecting plates 23 are fastened for fastening back anchor cables.
- the end plates 22 are provided with corresponding bores for receiving the wheel tensioner axis 24.
- FIGS. 11 to 13 show an embodiment in which, instead of the relatively complex internal grounding previously used in such bar structures, an earthing line laid outside along the bar or mast is provided.
- Both the sleeves 25, 26 provided for holding the boom 3 and a further sleeve 27 serve, as it were, for holding an earthing line 30.
- Threaded bolts 28 are fastened, which engage through openings 29, which are preferably in the form of an elongated hole, in the grounding line 30 in the form of a ribbon cable.
- the attachment of the earth line 30 8 then follows as a conventional screw connection.
- the load-bearing ring of the lowest collar 27 contains a welded gusset plate 32.
- Swing boom can be saved.
- the relatively complex screw and welded constructions made of angular profile parts are no longer necessary.
- Another advantage can be seen in the fact that the sleeves with connection knots can be completely prefabricated in a workshop, so that no more work is required on site at the assembly point. Savings of up to 50% in mast costs and simplifications also result in the manufacture of the masts, because the threaded bushings mentioned at the outset, incorporated in the rods or masts, for fastening the attachments and for grounding connections, as well as the grounding rods inside, can be omitted.
- the external earthing system also has the advantage that it is not only less expensive, but that the quality of the earth connections can also be easily checked on the outside.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Reinforcement Elements For Buildings (AREA)
- Tents Or Canopies (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19811619A DE19811619A1 (en) | 1998-03-17 | 1998-03-17 | Device for introducing or transferring forces and / or bending moments into the bar of a bar structure and bar structure equipped with such a device |
DE19811619 | 1998-03-17 | ||
PCT/DE1999/000661 WO1999047771A1 (en) | 1998-03-17 | 1999-03-10 | Device for introducing or transmitting forces and/or bending moments into the bar of a bar-type supporting frame and bar-type supporting frame having such a device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1062400A1 true EP1062400A1 (en) | 2000-12-27 |
EP1062400B1 EP1062400B1 (en) | 2002-08-28 |
Family
ID=7861228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99913114A Expired - Lifetime EP1062400B1 (en) | 1998-03-17 | 1999-03-10 | Bar-type supporting |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1062400B1 (en) |
AT (1) | ATE222985T1 (en) |
CA (1) | CA2324111A1 (en) |
DE (2) | DE19811619A1 (en) |
WO (1) | WO1999047771A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10026109C1 (en) * | 2000-05-26 | 2002-01-31 | Pfleiderer Infrastrukturt Gmbh | Clamping system holding platform to conical, reinforced concrete antenna mast comprises two flexible, circumferential clamping rings |
CN102003098A (en) * | 2009-09-02 | 2011-04-06 | 南通市神马电力科技有限公司 | Composite insulating tower for power grid transmission line |
US20170058547A1 (en) * | 2015-08-28 | 2017-03-02 | Maple Mountain Composites | Systems and Methods for Remote Tower Implementation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2066419A (en) * | 1934-07-26 | 1937-01-05 | Pfistershammer Josef | Tubular post |
US2693255A (en) * | 1949-12-31 | 1954-11-02 | Crown Controls Company Inc | Antifriction guy ring |
DE1434559B2 (en) * | 1962-12-17 | 1971-01-21 | Beton Schleuderwerke GmbH, 8520 Erlangen | Fastening a traverse to a m concrete pole |
DE1960474U (en) * | 1966-05-18 | 1967-05-18 | Beton Schleuderwerke G M B H | CONCRETE POST WITH AT LEAST ONE TRAVERSE OR AN AUSLER ARM. |
DE1658882A1 (en) * | 1967-08-18 | 1971-02-11 | Inst Stahlbeton | Lanyard for reinforced concrete parts, especially for reinforced concrete poles |
DE2111719A1 (en) * | 1971-03-11 | 1972-11-09 | Hans Langmatz | Cantilever arm - for a mast or lamp standard |
DE2613152C3 (en) * | 1976-03-27 | 1980-06-26 | Beton-Schleuderwerke Rudolf Kempe, 8520 Erlangen | Concrete mast for high voltage lines |
DE9100863U1 (en) * | 1991-01-25 | 1992-05-21 | Siemens AG, 80333 München | Device for holding fastening parts on columnar bodies |
DE29622637U1 (en) * | 1996-12-12 | 1997-03-13 | Elsic Elektrische Sicherheitsausrüstungen und Betriebsmittel GmbH, 41189 Mönchengladbach | Assembly aid for equipping or retrofitting floor-spaced devices |
-
1998
- 1998-03-17 DE DE19811619A patent/DE19811619A1/en not_active Withdrawn
-
1999
- 1999-03-10 DE DE59902467T patent/DE59902467D1/en not_active Expired - Lifetime
- 1999-03-10 AT AT99913114T patent/ATE222985T1/en active
- 1999-03-10 CA CA002324111A patent/CA2324111A1/en not_active Abandoned
- 1999-03-10 EP EP99913114A patent/EP1062400B1/en not_active Expired - Lifetime
- 1999-03-10 WO PCT/DE1999/000661 patent/WO1999047771A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9947771A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19811619A1 (en) | 1999-09-30 |
ATE222985T1 (en) | 2002-09-15 |
WO1999047771A1 (en) | 1999-09-23 |
EP1062400B1 (en) | 2002-08-28 |
DE59902467D1 (en) | 2002-10-02 |
CA2324111A1 (en) | 1999-09-23 |
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