EP0263787B1 - Spule für ein Wickelgut, insbesondere für ein isoliertes Kabel - Google Patents

Spule für ein Wickelgut, insbesondere für ein isoliertes Kabel Download PDF

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Publication number
EP0263787B1
EP0263787B1 EP19870810539 EP87810539A EP0263787B1 EP 0263787 B1 EP0263787 B1 EP 0263787B1 EP 19870810539 EP19870810539 EP 19870810539 EP 87810539 A EP87810539 A EP 87810539A EP 0263787 B1 EP0263787 B1 EP 0263787B1
Authority
EP
European Patent Office
Prior art keywords
spool according
core
spokes
segments
spoke
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.)
Expired - Lifetime
Application number
EP19870810539
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0263787A1 (de
Inventor
Herbert Isler
Karl Günter Schmidt
Thomas Züst
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.)
SWIL-TECHNIK AG
Original Assignee
SWIL-TECHNIK AG
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 SWIL-TECHNIK AG filed Critical SWIL-TECHNIK AG
Publication of EP0263787A1 publication Critical patent/EP0263787A1/de
Application granted granted Critical
Publication of EP0263787B1 publication Critical patent/EP0263787B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/515—Cores or reels characterised by the material assembled from parts made of different materials

Definitions

  • Energy cables are wound on spools in the manufacturing plant and then shipped on spools.
  • Conventional coils of this type are welded steel structures with two wheel tires, which are connected to inner rings, for example, by spokes.
  • the inner rings in turn carry a drum on which the cable is wound and are connected to two hub spokes with two or three central spokes.
  • the hub flanges have a central hole with which they are mounted on a shaft or on conical pins. In order to absorb the axial forces in the latter case, the hub flanges are braced diagonally in the central spoke planes with the inner rings in the known coils.
  • the zinc oxidizes relatively quickly under these conditions and becomes powdery, so that the surface of the drum and the side walls becomes rough. If the cable slips on these coil parts, the thin outer insulation layer can therefore be damaged, in particular in the not yet cross-linked, relatively soft state. As a result, the innermost winding of the cable is lost, which leads to high losses.
  • a collapsible coil is known from DE-A-2 439 488, from which claim 1 is delimited.
  • This coil has a wheel tire on both sides.
  • Each wheel tire is directly connected to a hub tube via spokes made of L-profiles.
  • a tire-shaped collar is welded onto the spokes, concentric with the hub tube.
  • the inner flange surfaces of the coil are each formed by an annular plate between the collar and the wheel tire.
  • a core consisting of several core segments is inserted between the two sheets. The core segments rest on the two collars.
  • the side parts of the coil are clamped together with several anchor rods, which extend between two opposing spokes.
  • This coil is removable and has a smaller transport volume in the disassembled state than the rigidly welded constructions described above, but also suffers from the other defects described.
  • the assembly of the coil is relatively complex and the coil is not very rigid.
  • the present invention has for its object to form a collapsible coil so that it is easy to assemble and has a high torsional rigidity in the assembled state. This object is achieved by the characterizing features of claim 1.
  • the torques are transmitted via the form-fitting centering between spokes and end ribs, which results in the high torsional rigidity. Because each end rib is bolted to at least two spokes, the bending stresses acting in the circumferential direction on the core segments are optimally absorbed.
  • FIG. 1 for the sake of a better overview, only part of half of an axial section through the coil is shown.
  • the coil has a wheel tire 1 with a U-shaped cross section on both sides. 12 radial spokes 2 made of C-profiles are welded evenly to the tire 1. Inside, all spokes 2 are welded to two hub flanges 3, which have a deep-drawn attachment 4 for receiving a bearing journal. Each spoke 2 is connected to a cylindrical drum 6 by a screw connection 5.
  • the drum 6 consists of six sixth circle segments 7. The segments 7 have on their two longitudinal edges parallel to the axial direction a U-shaped, stiffening 8 (FIG. 4) and ribs 9 welded to their two end edges.
  • FIGS. 3 and 4 The screw connection 5 between the spoke 2 and the rib 9 is shown in more detail in FIGS. 3 and 4: an eye 14 is welded onto the spoke 2. An arm 16 with lugs 17 is snapped into the bore 15 of the eye 14 at the free ends of two resilient legs 18. For this purpose, the edge of the bore 15 facing away from the spoke 2 is only slightly thicker than the distance between the lugs 17. The arm 16 has a square hole 19 at its opposite end. A holder 20 made of thin sheet metal is snapped into the hole 19. which encloses a square nut 21. A screw 24 is screwed into the nut 21 through through bores 22, 23 in the spoke 2 and the rib 9. Spoke 2 and rib 9 are centered adjacent to the bores 22, 23 with a pin 25 stuck in the spoke 2.
  • This design of the screw connection 5 enables simple assembly. By centering with the pin 25, an exact positioning of the segment 7 is achieved. Now the nut 21 is pivoted in by means of the arm 16 and is thus automatically aligned with the bores 22, 23, so that the screw 24 can be screwed in comfortably. When the screw 24 is tightened, the arm 16 also acts as a counter wrench.
  • segments 29 of a side wall 30 are fastened to the spokes 2 by means of screws 32.
  • the segments 29 can instead or additionally be connected to the wheel tire 1 and / or the core 6 and have stiffening ribs 31 in the radial and circumferential directions and consist of fiber-reinforced plastic or are plastic-coated.
  • each core segment 7 is individually covered with a thermoplastic plastic film 36.
  • the plastic film 36 has along its two longitudinal edges a seam 38 formed by a weld seam 37, in which a rod 39 is inserted, for example made of aluminum or GRP.
  • the rod 39 is braced with a series of springs 40 against a bar 41 welded onto the segment 7 with a series of bores 42.
  • the winding material is optimally protected by the plastic film 36 and the plastic wall 30. If the wall 30 or the film 36 is damaged, these parts can easily be replaced.
  • the coil has a central axle tube 47, which is positioned on the inner hub flange 4 by means of two pins 48.
  • the axle tube 47 can additionally have an end flange on both sides and can be screwed to the hub flanges 4. With this axle tube 47, axial forces acting on one side, for example when the coil is upright, are distributed to both spoke rings, so that the coil can also be used as a machine coil, for example when stranding cables.
  • the central spoke rim 49 shown in FIG. 1 can also be installed.
  • the axle tube 47 has a central flange 50 in the center.
  • Shorter spokes 52 are screwed to the central flange 50.
  • Each spoke 52 is connected to a further screw connection 5 according to FIGS. 3 and 4 with a central rib 53.
  • the spoke ring 49 supports the drum 6 in the middle and transmits it a part of the axial load on the drum 6, so that the spool can be used with this addition as a machine spool even with heavier winding material. If it is only used as a transport spool, the axle tube 47 and the spoke ring 49 can be omitted and the tare weight of the spool can thus be reduced.
  • the described design of the coil makes it easy to assemble and repair.
  • the power transmission from the journal to the drum is good due to the many spokes, so that the spokes and the end ribs of the drum can be built relatively easily.
  • the coil takes up very little space when disassembled and can therefore be inexpensively shipped and stored for first use.

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  • Storage Of Web-Like Or Filamentary Materials (AREA)
EP19870810539 1986-09-29 1987-09-18 Spule für ein Wickelgut, insbesondere für ein isoliertes Kabel Expired - Lifetime EP0263787B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH391386A CH671390A5 (enrdf_load_stackoverflow) 1986-09-29 1986-09-29
CH3913/86 1986-09-29

Publications (2)

Publication Number Publication Date
EP0263787A1 EP0263787A1 (de) 1988-04-13
EP0263787B1 true EP0263787B1 (de) 1991-06-05

Family

ID=4266193

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870810539 Expired - Lifetime EP0263787B1 (de) 1986-09-29 1987-09-18 Spule für ein Wickelgut, insbesondere für ein isoliertes Kabel

Country Status (5)

Country Link
EP (1) EP0263787B1 (enrdf_load_stackoverflow)
CN (1) CN1012162B (enrdf_load_stackoverflow)
CH (1) CH671390A5 (enrdf_load_stackoverflow)
DE (1) DE3770570D1 (enrdf_load_stackoverflow)
DK (1) DK506687A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210380378A1 (en) * 2019-01-16 2021-12-09 Liebherr-Components Biberach Gmbh Cable drum for a cable winch and method for production thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669615B1 (fr) * 1990-11-27 1993-08-06 Efsa Bobine metallique utilisee pour la fabrication et le stockage ou le transport de cordes ou de cables.
DE4141276A1 (de) * 1991-12-14 1993-06-17 Hecker & Krosch Gmbh & Co Kg Verbundkabeltrommel mit auswechselbaren seitensegmenten
JP2014201375A (ja) * 2013-04-01 2014-10-27 株式会社豊田自動織機 巻取用リール
FR3098209B1 (fr) * 2019-07-01 2021-06-04 Conductix Wampfler France Bobine pour l’enroulement et le deroulement d’un lien

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316950C3 (de) * 1973-04-05 1978-10-05 Industriewerk Nachf. Seifert & Co, Kg, 8632 Neustadt Teilbare Maschinenspule
DE2439488A1 (de) 1973-08-17 1975-02-27 Paul W Clendenen Zerlegbare haspel
SE8301867L (sv) * 1983-04-05 1984-10-06 Joenkoeping Vulcan Ab Trumma for upplindning av langstreckta foremal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210380378A1 (en) * 2019-01-16 2021-12-09 Liebherr-Components Biberach Gmbh Cable drum for a cable winch and method for production thereof
US12264048B2 (en) * 2019-01-16 2025-04-01 Liebherr-Components Biberach Gmbh Cable drum for a cable winch and method for production thereof

Also Published As

Publication number Publication date
CN87106547A (zh) 1988-05-04
CH671390A5 (enrdf_load_stackoverflow) 1989-08-31
DK506687A (da) 1988-03-30
CN1012162B (zh) 1991-03-27
EP0263787A1 (de) 1988-04-13
DE3770570D1 (de) 1991-07-11
DK506687D0 (da) 1987-09-25

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