WO2024161046A2 - Unité de serrage allongée - Google Patents

Unité de serrage allongée Download PDF

Info

Publication number
WO2024161046A2
WO2024161046A2 PCT/EP2024/059952 EP2024059952W WO2024161046A2 WO 2024161046 A2 WO2024161046 A2 WO 2024161046A2 EP 2024059952 W EP2024059952 W EP 2024059952W WO 2024161046 A2 WO2024161046 A2 WO 2024161046A2
Authority
WO
WIPO (PCT)
Prior art keywords
clamping unit
unit according
jacket tube
tube
recesses
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.)
Pending
Application number
PCT/EP2024/059952
Other languages
German (de)
English (en)
Other versions
WO2024161046A3 (fr
Inventor
Werner Brand
Thomas Kahl
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.)
Dywidag Systems International GmbH
Original Assignee
Dywidag Systems International 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 Dywidag Systems International GmbH filed Critical Dywidag Systems International GmbH
Priority to ES24718814T priority Critical patent/ES3020457T1/es
Priority to EP24718814.7A priority patent/EP4526519A2/fr
Priority to PCT/EP2024/059952 priority patent/WO2024161046A2/fr
Publication of WO2024161046A2 publication Critical patent/WO2024161046A2/fr
Publication of WO2024161046A3 publication Critical patent/WO2024161046A3/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/148—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising marks or luminous elements
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
    • 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
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables

Definitions

  • the invention relates to an elongated clamping unit comprising a casing tube, an inner surface of which encloses an interior of the casing tube, a plurality of clamping elements running in the longitudinal direction of the clamping unit, which are accommodated in the interior of the casing tube, and at least two electrical functional units, in particular lighting units, each of which is accommodated in a recess made in the casing tube from an outer surface of the casing tube, wherein at least one connecting channel is provided which connects at least two adjacent recesses to one another and is designed and intended to accommodate at least one connecting line for connecting the electrical functional units assigned to the two adjacent recesses.
  • the jacket pipe used in connection with the present invention can, for example, be a one-piece jacket pipe, whereby a “one-piece jacket pipe” is also understood to mean a jacket pipe which is composed of a plurality of parts in the longitudinal direction and/or in the circumferential direction, provided that the parts of the jacket pipe are connected to one another in a materially bonded manner, for example by welding.
  • the parts of the jacket pipe used according to the invention can, however, also be connected to one another by mechanical connections, for example click connections. This enables, for example, the retrofitting of a jacket pipe according to the invention provided with electrical functional units, whether by replacing or retaining the original jacket pipe.
  • electrical functional units can also be used, for example sensor units.
  • WO 2018/072 902 A1 discloses a generic clamping unit in its figures 5 and 6, in which the casing tube is designed with three connecting channels that project radially inwards and are closed to the outer circumferential surface of the casing tube. At predetermined intervals from the outer surface of the casing tube, recesses are made in the casing tube, in which lighting units are inserted as examples of electrical functional units. Although they are particularly attractive, of the appearance, the assembly effort required for this embodiment has proven to be too high in practice. Firstly, the rail elements carrying the connecting cables must be inserted into the connecting channels along the entire length of the casing tube in its longitudinal direction. And secondly, care must be taken to ensure that the recesses for the lighting units are made in the casing tube at exactly the same points where the connecting cables have the plug contacts for connecting to the lighting units.
  • WO 2018/072 902 A1 also presents another solution that is easier to install in its figures 1 and 2.
  • rail elements which integrate both the lighting units and the connecting cables, are inserted into continuous grooves that are open towards the outer peripheral surface of the casing tube.
  • the practical implementation of this embodiment has proven difficult due to the different thermal expansion coefficients of the materials used to manufacture the casing tube on the one hand and the rail elements on the other.
  • WO 2018/072 902 A1 it is the object of the invention to provide an elongated clamping unit of the type mentioned at the beginning, which is easier to assemble.
  • this object is achieved by an elongated clamping unit of the type mentioned at the outset, in which the at least one connecting channel is designed as a connecting groove that is open towards the outer surface of the jacket tube and can be closed by means of at least one cover element.
  • the pre-assembled assemblies which include both the electrical functional units and the connecting lines, can thus be easily inserted from the outside into the recesses provided for them and the connecting channels that connect them and are open towards the outer surface of the jacket tube.
  • the at least one connecting channel then only needs to be closed by means of the at least one cover element. Overall, this results in simple assembly that can be carried out entirely from the radial outside.
  • the tensioning unit according to the invention can also be a tensioning cable, for example a stay cable or a hanger, as is used in cable-stayed bridges, arched bridges, suspension bridges, towers and similar structures.
  • the at least one connecting line can be at least one energy supply line, in particular a line for supplying electrical energy to the at least one electrical functional unit, and/or a data line for unidirectional or bidirectional data connection with the at least one electrical functional unit.
  • a ground line can also be provided. If the intensity and/or the color of the light emitted by the lighting units is to be varied, the data line can be used for communication between a control unit and the lighting units. If status information is also to be retrieved from the lighting units, this status information can also be transmitted via the data line. Alternatively, at least one further data line can be provided for data transmission.
  • the electrical functional units are sensor units, analogous considerations apply.
  • the distance between characteristic points of the two adjacent depressions measured in the longitudinal direction of the jacket pipe at a given temperature is a predetermined length shorter than the distance between associated characteristic points of the electrical functional units associated with the adjacent depressions when the connecting line connecting the two functional units is completely elongated.
  • This dimensioning rule ensures that the connecting line runs in a serpentine or meandering manner in the connecting channel and thus has an excess length that can be used to compensate for the different thermal expansion of the jacket pipe and the connecting line.
  • the characteristic points of a depression and the functional unit assigned to it are preferably selected such that they coincide when the functional unit is inserted into the depression.
  • the center of the circle or a transition point to an adjacent connecting channel can be selected as the characteristic point.
  • the specified temperature can be a standard temperature, for example 20°C. In principle, however, it is also conceivable to select a different temperature as the specified temperature, for example the lowest temperature expected for a cold night.
  • the predetermined length can be selected such that the completely elongated course of the connecting line is not reached even on a hot day at the highest daily temperature, but the connecting line still runs in a slightly serpentine or meandering manner in the connecting channel.
  • the connecting line and/or the functional unit comprise length compensation means which are designed and intended to compensate for different thermal linear expansions.
  • the at least one cover element preferably all cover elements, be made of the same material as the jacket pipe, for example high-density polyethylene (HDPE).
  • HDPE high-density polyethylene
  • other materials preferably other plastics, can also be used.
  • an outer surface of the cover element or at least one of the cover elements, preferably all of the cover elements essentially follows an envelope curve of the jacket tube.
  • an outer boundary surface of the at least one cover element also follows the circular line of the outline of the jacket tube.
  • the at least one electrical functional unit can be detachably connected to the casing tube of the clamping unit.
  • the electrical functional unit itself can be detachably connected to the casing tube or to a base element that is permanently connected to it.
  • the replacement can be carried out, for example, by means of a robot that can move autonomously along the clamping unit.
  • the detachable connection can be made, for example, by screwing, locking, clamping, using a bayonet-type connection or the like.
  • the permanent connection can be made, for example, by gluing, clipping, clamping, screwing or the like.
  • the functional units are connected by means of the at least one connecting line, it is further proposed in connection with the exchange of functional units that the cover element or at least one of the cover elements, preferably all cover elements, is detachably connected to the jacket tube.
  • At least one of the side surfaces, preferably both side surfaces, of the connecting channel or at least one of the connecting channels is designed to be undercut at least in sections. This undercut can be engaged by an associated projection of the at least one cover element. This can be done, for example, in the sense of producing a locking connection between the cover element and the connecting channel.
  • snap-in connections can therefore be provided on both sides of the connecting channel.
  • a rigid engagement element on one side of the connecting channel and a snap-in connection on the other side.
  • the cover element can be released from the casing pipe again, for example, by slightly compressing it at one of its longitudinal ends with a tool, such as pliers, in the circumferential direction of the casing pipe and thereby arching it so that the engagement behind it is released. Now you only need to lift the end of the cover element in question out of the connecting channel in order to then be able to completely release it from the connecting channel, moving towards the other longitudinal end of the cover element.
  • This releasable engagement The cover element and the casing pipe can be designed to be so stable that there is no risk of the cover element becoming accidentally detached from the casing pipe due to wind and weather-related movements of the clamping unit.
  • the detachable connection can also be designed as a clamp connection and/or as a screw connection.
  • the connecting channel is symmetrical with respect to its longitudinal center plane running through the axis of the casing pipe, it can be produced in a simple manner by means of a milling cutter designed according to its cross-sectional shape, which is introduced into the recess already made in the casing pipe and then guided in the longitudinal direction of the casing pipe to the adjacent recess.
  • the cover element or at least one of the cover elements, preferably all of the cover elements has an opening at at least one of its longitudinal ends or adjacent to at least one of its longitudinal ends, which opening connects the associated connecting channel to the external environment of the casing pipe.
  • this opening as an attack point for a release tool to release the cover element from the casing pipe.
  • the recess or at least one of the recesses preferably all Recesses of the casing pipe extend in the circumferential direction over a greater distance than the connecting channel or at least one of the connecting channels, preferably all of the connecting channels. This measure also enables a more powerful and thus larger functional unit to be accommodated in the recess.
  • the recess or at least one of the recesses may be deeper than the at least one connecting channel.
  • the depth of the recess may be at most 95%, preferably at most 90%, more preferably at most 85%, even more preferably at most 80%, of the wall thickness of the jacket pipe.
  • the depth of the connecting channel can be at most 65%, preferably at most 60%, more preferably at most 55%, even more preferably at most 50%, of the wall thickness of the jacket pipe.
  • the electrical functional unit or at least one of the electrical functional units extends beyond the envelope curve of the casing tube. Aerodynamically, this represents only a minor problem due to the only localized disruption of the outer circumferential surface of the casing tube.
  • the at least one lighting unit has integrated optics, preferably scattering optics, in order to be able to improve the visibility of the lighting unit regardless of the viewing angle.
  • the recess advantageously has a circular outline for manufacturing reasons, other outline shapes are also conceivable in principle, for example a substantially oval, a substantially rectangular or a substantially square outline.
  • the jacket tube has a substantially circular cross-section.
  • the at least one connecting channel projects radially inward in such a way that the interior of the jacket tube has a cross-section that deviates from the circular disk shape, it is advantageous that the interior of the jacket tube has a substantially circular cross-section.
  • the jacket tube must be designed with such thick walls that the at least one connecting channel can be formed entirely in the wall thickness.
  • At least one water-repellent element can be provided on the outer surface of the jacket pipe.
  • the ratio of the pitch or half the pitch of the helix to the distance between adjacent recesses has a whole number or a fractional value.
  • a water-repellent element protrudes from the cover element or at least one of the cover elements, preferably all of the cover elements. Since the prefabricated assemblies, which comprise a plurality of electrical functional units and their connecting and connection lines, usually have a predetermined length that is smaller than the usual length of clamping units, it is proposed that the jacket pipe has an opening at predetermined intervals that leads from the interior of the jacket pipe to the outside, for example to the bottom surface of a connecting channel.
  • a connecting line guided in the interior of the jacket pipe can be guided to the outside of the jacket pipe and connected there to another strand of functional units and connecting lines.
  • cross-sectional area does not need to be reserved in the connecting channels for one or more such connecting lines.
  • the problem of routing the connecting lines past the functional units is easily avoided.
  • the openings can be protected from the ingress of moisture or liquid, in particular rainwater, by suitable sealing means.
  • a protective channel can also be provided in the interior of the jacket pipe, which protects the connecting cables from contact with the clamping elements.
  • the tensioning elements can be designed as tensioning strands in a manner known per se.
  • the tensioning strands can be made of seven wires and/or have a diameter of approximately 15.7 mm.
  • the tensioning elements are made of non-stranded wires that run essentially parallel to one another, with these wires preferably having a diameter of approximately 7.0 mm.
  • the interior of the jacket tube can be at least partially, preferably completely, filled with a filling material, preferably a corrosion protection material, for example wax, mortar or the like, when the clamping unit is in the operational state.
  • Figure 1 is a plan view of a first embodiment of a clamping unit according to the invention.
  • Figure 2 is a sectional view of the embodiment of Figure 1 taken along the line II-II in Figure 1;
  • Figure 3 is a partial section of the embodiment of Figure 1 taken along the line III-III in Figure 1;
  • Figure 4 is a view similar to Figure 3 of a second embodiment of the invention.
  • a first embodiment of a clamping unit according to the invention is generally designated 100.
  • the clamping unit 100 comprises a casing tube 102, which encloses an interior space 104, and a plurality of clamping elements 106, which run in the longitudinal direction A of the clamping unit 100 or the casing tube 102 and are accommodated in the interior space 104 of the casing tube 102.
  • the casing tube 102 has recesses 108 made in the casing tube 102 at several, preferably equidistant, longitudinal positions, which are preferably all arranged at the same circumferential position of the casing tube 102.
  • Adjacent recesses 108 are formed according to the invention by a connecting channel 110, which opens at each of its two longitudinal ends into one of the adjacent recesses 108.
  • cover elements 112 are provided, which serve to close the connecting channels 110.
  • the recesses 108 and the connecting channels 110 serve to accommodate electrical functional units 114 and the connecting lines 116 connecting them, as well as at least one connecting line (not shown).
  • the electrical functional units 114 are preferably lighting units, for example LED lighting units. However, they can also be sensor units.
  • both the outer surface 102a and the inner surface 102b of the jacket tube 102 forming the interior 104 have a circular cross-section. Furthermore, both the recesses 108 and the connecting channels 110 are formed completely within the jacket tube 102. In particular, the recesses 108, which are formed deeper in the radial direction of the jacket tube 102 than the connecting channels 110, do not penetrate the inner surface 102b of the jacket tube 102. This ensures that no moisture, in particular rainwater, can penetrate into the interior 104.
  • the recesses 108 extend in the circumferential direction U of the jacket tube 102 over a greater distance than the connecting channels 112 (D > d). In this way, it is ensured that there is sufficient installation space for accommodating the functional units 114 and any peripheral units associated with them, for example control units.
  • the functional units 114 are preferably detachably received in the recesses so that they can be replaced in the event of a malfunction or damage.
  • This detachable connection can be made, for example, by screwing, locking, clamping, using a bayonet-type connection or the like.
  • the functional units 1 14 and in particular their connecting lines 1 16 are made of a different material than the jacket tube 102, different expansion behavior must be expected at changing temperatures.
  • the distance L between characteristic points 108a of two adjacent depressions 108 measured in the longitudinal direction A of the jacket tube 102 at a given temperature is dimensioned to be a predetermined length shorter than the distance between associated characteristic points 1 14a of the electrical functional units 1 14 associated with the adjacent depressions 108 when the connecting line 1 16 connecting the two functional units 1 14 is completely elongated.
  • this circumstance is expressed by the fact that the connecting lines 116 run in the connecting channels 1 10 in a serpentine or meandering manner (dotted lines).
  • the cover elements 112 are also detachably connected to the connecting channels 110.
  • the cover element 112 has two locking feet 112a, the outwardly projecting locking ends 112b of which engage in undercuts 110a of the connecting channel 110.
  • To attach a cover element 112 only one of its longitudinal ends has to be pressed together slightly so that the locking ends 112b are spaced closer together than shown in Figure 3 and can thus be inserted into the connecting channel 110.
  • the cover element 112 is then gradually pressed into the connecting channel 110 in sections until the locking feet 112a are fully engaged with the undercuts 110a.
  • the cover section 112c of the cover element 112 can now be gradually pulled out of the connecting channel 110.
  • the embodiment in Figure 3 helps that the cover section 112c does not end flush with the outer peripheral surface 102a, but only rests on it.
  • the cover section 112c can have an opening 112d at one of its longitudinal ends or adjacent to one of the longitudinal ends (see Figure 1), which can be used to insert a release tool, for example a release hook. In this case, the inherent elasticity of the locking feet 112a is used for release.
  • this opening 112d is arranged at the lower end of the cover element 112 in the case of obliquely or vertically mounted clamping units 100, this opening 112d can additionally be used to allow any moisture, in particular rainwater, that has entered the connecting channel 110 to escape again.
  • Figure 4 shows a slightly modified embodiment of the clamping unit according to the invention. This corresponds in its essential features to the embodiment of Figures 1 to 3. Therefore, in Figure 4, analogous parts are provided with the same reference numerals as in Figures 1 to 3, but increased by the number 100.
  • the clamping unit 200 of the Figure 4 will be described below only insofar as it differs from the embodiment of Figures 1 to 3, to whose description express reference is otherwise made.
  • a first difference from the embodiment of Figures 1 to 3 is that the cover section 212c of the cover element 212 is flush with the outer surface 202a of the jacket tube 202.
  • the course of the cover section 212c follows the circular envelope curve H of the outer surface 202a of the jacket tube 202.
  • the jacket tube 202 supplemented by the cover element 212 has a perfectly circular cross-section and offers wind and weather a surface that is no different from that of a jacket tube without a connecting channel.
  • a third difference is that the connecting line 216 is designed as a flat cable.
  • the circular cross-section of the connecting line 116 in Figure 3 does have the advantage that it can bend both in the radial direction and in the circumferential direction of the jacket tube 102 in order to form the serpentine or meandering course.
  • the flat cable in Figure 4 where the bending direction is predetermined, sufficient length compensation between the connecting line 216 and the jacket tube 202 is possible.
  • the clamping unit 100 can also have at least one water-repellent element on the outer surface 102a of the casing tube 102, which is preferably designed as a water-repellent spiral.
  • two water-repellent elements 120, 122 are provided, which extend helically along the outer surface 102a of the casing tube 102 with a circumferential offset of 180° and a pitch G.
  • two electrical functional units 114 are arranged within the pitch of each of the water-repellent elements 120, 122. Since two water-repellent elements 120, 122 are present, the electrical functional units 114 and the water-repellent elements 120, 122 follow one another in an apparently alternating manner.
  • water-repellent elements 120, 122 In order to enable a continuous extension of the water-repellent elements 120, 122 also in the area of the cover elements 112, these also have water-repellent projections 124 at the locations corresponding to the water-repellent elements 120, 122.
  • the jacket tube 102 can have openings 130 at predetermined locations.
  • the functional assembly formed from a plurality of functional units 114 and their connecting lines 116 is shorter than the clamping unit 100, connecting lines (not shown) in the interior 104 of the jacket tube 102 can be guided through these openings 130 to the point at which two successively arranged functional assemblies adjoin one another in order to be able to supply the subsequent functional assembly with power and, if necessary, data.
  • the opening 130 is sealed liquid-tight after the connecting line has been guided through.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

L'invention concerne une unité de serrage allongée (100) comprenant un tube de boîtier (102) et au moins deux unités fonctionnelles électriques (114), chacune étant reçue dans une dépression (108) introduite dans le tube de boîtier (102), au moins un canal de connexion (110) étant prévu qui relie au moins deux dépressions mutuellement adjacentes (108) l'une à l'autre et est conçu et prévu pour recevoir au moins une ligne de connexion (116) pour connecter les unités fonctionnelles électriques (114) attribuées aux deux dépressions mutuellement adjacentes (108). Selon l'invention, l'au moins un canal de raccordement (110) est réalisé sous la forme d'une rainure de raccordement ouverte vers la surface extérieure (102a) du tube de boîtier (102) et peut être fermé au moyen d'au moins un élément de recouvrement (112).
PCT/EP2024/059952 2024-04-12 2024-04-12 Unité de serrage allongée Pending WO2024161046A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES24718814T ES3020457T1 (en) 2024-04-12 2024-04-12 Elongate clamping unit
EP24718814.7A EP4526519A2 (fr) 2024-04-12 2024-04-12 Unité de serrage allongée
PCT/EP2024/059952 WO2024161046A2 (fr) 2024-04-12 2024-04-12 Unité de serrage allongée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2024/059952 WO2024161046A2 (fr) 2024-04-12 2024-04-12 Unité de serrage allongée

Publications (2)

Publication Number Publication Date
WO2024161046A2 true WO2024161046A2 (fr) 2024-08-08
WO2024161046A3 WO2024161046A3 (fr) 2024-12-26

Family

ID=90730270

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/059952 Pending WO2024161046A2 (fr) 2024-04-12 2024-04-12 Unité de serrage allongée

Country Status (3)

Country Link
EP (1) EP4526519A2 (fr)
ES (1) ES3020457T1 (fr)
WO (1) WO2024161046A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3334864B2 (fr) † 2016-10-19 2025-12-24 Dywidag-Systems International GmbH Unité de serrage allongée

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101180049B1 (ko) 2012-02-20 2012-09-05 주식회사 금영 교량용 엘이디 경관조명장치
WO2018072902A1 (fr) 2016-10-19 2018-04-26 Dywidag-Systems International Gmbh Unité de serrage allongée

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016416839B2 (en) * 2016-07-27 2022-08-18 Soletanche Freyssinet Double-sheathed structural cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101180049B1 (ko) 2012-02-20 2012-09-05 주식회사 금영 교량용 엘이디 경관조명장치
WO2018072902A1 (fr) 2016-10-19 2018-04-26 Dywidag-Systems International Gmbh Unité de serrage allongée

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3334864B2 (fr) † 2016-10-19 2025-12-24 Dywidag-Systems International GmbH Unité de serrage allongée

Also Published As

Publication number Publication date
EP4526519A2 (fr) 2025-03-26
ES3020457T1 (en) 2025-05-22
WO2024161046A3 (fr) 2024-12-26

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