EP3246992B1 - Verbindungsvorrichtung für ein endstück eines elektrokabels - Google Patents

Verbindungsvorrichtung für ein endstück eines elektrokabels Download PDF

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Publication number
EP3246992B1
EP3246992B1 EP17171855.4A EP17171855A EP3246992B1 EP 3246992 B1 EP3246992 B1 EP 3246992B1 EP 17171855 A EP17171855 A EP 17171855A EP 3246992 B1 EP3246992 B1 EP 3246992B1
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EP
European Patent Office
Prior art keywords
face
longitudinal
insert
tubular portion
housing
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EP17171855.4A
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English (en)
French (fr)
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EP3246992A1 (de
Inventor
Stéphane Areias
Hubert LAVERSANE
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Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
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Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position

Definitions

  • the invention relates to connection devices for a terminal section of electric cable.
  • EP2065978A1 , EP2662932A2 , US8550842B1 and CN105576397A also discloses connection devices for terminal sections.
  • the invention aims to provide a similar but simpler and more convenient connection device.
  • connection device according to the invention is provided for be used with a terminal section of cable.
  • the invention is in fact based on the observation that if the characteristics which have just been exposed are present, then the interactions between the tightening screws, the cable end section and the insert during the immobilization of the end section of cable in the device will lead to a final arrangement offering excellent tightening of the cable end section and therefore excellent quality of electrical contact, in particular because it prevents the insert from prematurely blocking the progression of a screw.
  • the cable knot illustrated on the Figures 1 and 2 comprises a connection device 1, an electric cable 3 and an electric cable 5 of larger cross section than the electric cable 3.
  • the insulating sheath 7 of the cable 3 has been removed on an end section 6 while the insulating sheath 9 of the cable 5 has been removed on a end section 8, so that only the conductive core of the cables 3 and 5 is present on the terminal sections 6 and 8.
  • connection device 1 comprises a connection sleeve 2 and an insert 4.
  • connection sleeve 2 comprises a conductive element 10 made of aluminum or other metallic material that is good conductor of electricity, to receive the terminal sections 6 and 8 of the electric cables 3 and 5, as well as tightening screws 42 and 43 configured to tighten the terminal sections 6 and 8 introduced into the conductive element 10.
  • the conductive element 10 has a first tubular portion 11, a second tubular portion 12 similar to the first tubular portion 11 and a junction portion 13 connecting the first tubular portion 11 and the second tubular portion 12.
  • the first tubular portion 11 receives the end section 6 of the cable 3 with the insert 4, while the second tubular portion 12 receives the end section 8 of the cable 5 alone, that is to say without insert.
  • tubular portions 11 and 12 being similar, the description of the first tubular portion 11 which follows also applies to the second tubular portion 12.
  • the first tubular portion 11 is oriented in an axial direction and has a first thread 14 and a second thread 15 each passing through and oriented in a radial direction.
  • the first internal thread 14 and the second internal thread 15 are arranged with an axial distance and with an angular distance.
  • the first thread 14 is configured to cooperate with the clamping screw 42, while the second thread 15 is configured to cooperate with the clamping screw 43, in order to clamp a terminal section of cable such as 6 or 8.
  • the first tubular portion 11 has an internal surface 16 delimiting a housing 17 configured to receive the end section of a cable when it has a relatively large section, like the end section 8 of the cable 5.
  • Annular ribs 18 are formed on the internal surface 16.
  • the junction portion 13 forms a bottom wall 19 for the housing 17, which opens opposite the bottom wall 19 through an opening 21.
  • the cable end section is introduced into the housing 17 through the opening 21.
  • the first thread 14 is located on the side of the junction portion 13, while the second thread 15 is located on the side of the opening 21.
  • clamping screws 42 and 43 are identical, as are the threads 14 and 15.
  • the screws 42 and 43 each comprise a threaded rod 30, a head 31 and a fuse portion 32 connecting the threaded rod 30 to the head 31, the fuse portion 32 being configured to automatically break when a predetermined tightening torque is reached. This is to prevent damage to the end section of cable by over-tightening.
  • the threaded rod 30 has, on the side opposite to the head 31, a distal surface 33 which is straight.
  • the housing 17 is dimensioned to accommodate an end section of cable of a section included in a range from 120 mm 2 to 240 mm 2 .
  • the insert 4 is placed in the housing 17 and the terminal section is received in the portion of the housing 17 not occupied by the insert 4.
  • the range of smaller sections of the cable end sections is from 50 mm 2 to 95 mm 2 .
  • the insert 4 is in the form of a gutter and has an external face 24, an internal face 25, a first longitudinal intermediate face 22 extending between the external face 24 and the internal face 25, and a second longitudinal intermediate face 23, extending between the external face 24 and the internal face 25.
  • the first longitudinal intermediate face 22 is located on a first side of the insert 4 and the second longitudinal intermediate face 23 is located on a second side of the insert 4 opposite the first side.
  • the external face 24 and the internal face 25 are each curved.
  • the external face 24 has a generally convex profile while the internal face 25 has a generally concave profile.
  • the insert 4 is configured to be placed in the housing 17 delimited by the tubular portion 11 with the external face 24 in contact with the internal surface 16 of the tubular portion 11.
  • the insert 4 has a length such that it extends from the bottom wall 19 to the opening 21 when it is received in the housing 17 of the tubular portion 11, as is clearly visible on the figure 4 .
  • the insert 4 extends longitudinally between a first intermediate end face 39 and a second intermediate end face 40 opposite the first intermediate end face 39.
  • the first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 each have a stepped profile.
  • first longitudinal intermediate face 22 and the second longitudinal intermediate face 23 of the insert 4 each have a first longitudinal portion 35 set back with respect to a second longitudinal portion 36.
  • the first longitudinal portion 35 of the first longitudinal intermediate face 22 is at the right of the second longitudinal portion 36 of the second longitudinal intermediate face 23 while the second longitudinal portion 36 of the first longitudinal intermediate face 22 is at the right of the first longitudinal portion 35 of the second longitudinal intermediate face 23.
  • the first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23 are provided to be opposite the first clamping screw 42, engaged in the first thread 14; while the second longitudinal portion 36 of the first longitudinal intermediate face 22 and the first longitudinal portion 35 of the second longitudinal intermediate face 23 are provided to be opposite the second clamping screw 43, engaged in the second internal thread 15.
  • Each first longitudinal portion 35 is the same length as the second longitudinal portion 36 of which it is at right.
  • first longitudinal portion 35 of the first longitudinal intermediate face 22 and the second longitudinal portion 36 of the second longitudinal intermediate face 23 have the same length
  • the second longitudinal portion 36 of the first longitudinal intermediate face 22 and the first portion longitudinal 35 of the second longitudinal intermediate face 23 have the same length
  • the first and second longitudinal intermediate faces 22 and 23 of the insert 4 each have a shoulder 37 at the junction between the first longitudinal portion 35 and the second longitudinal portion 36.
  • the shoulder 37 of the first longitudinal intermediate face 22 is in line with the shoulder 37 of the second longitudinal intermediate face 23.
  • each shoulder 37 is straight.
  • the shrinkage between the first longitudinal portion 35 and the second longitudinal portion 36 is identical for each longitudinal intermediate face 22 and 23.
  • the first longitudinal intermediate face 22 is narrower in the portion 36 than in the portion 35.
  • the second longitudinal intermediate face 23 is narrower in the portion 36 than in the portion 35.
  • the external face 24 of the insert 4 also has a plurality of reentrant surface portions 38 extending longitudinally.
  • the reentrant portions 38 extend from the first intermediate end face 39 to at the shoulder 37 of the first longitudinal intermediate face 22.
  • the reentrant portions 38 extend from the second intermediate end face 40 to at the shoulder 37 of the second longitudinal intermediate face 23.
  • the re-entrant portions 38 extend from the first face intermediate end 39 to the second intermediate end face 40.
  • a reentrant portion 38 of the first sectoral portion and a reentrant portion 38 of the third sectoral portion form a first longitudinal groove 44.
  • a re-entrant portion 38 of the second sectoral portion and a re-entrant portion 38 of the third sectoral portion form a second longitudinal groove 45.
  • two re-entrant portions 38 form a third longitudinal groove 46 midway between the first longitudinal groove 44 and the second longitudinal groove 45.
  • the insert 4 thus has a petaloid transverse profile, clearly visible on the Figures 6, 8 and 9 .
  • the insert 4 has a certain symmetry.
  • the insert 4 has a profile, when viewed with its first intermediate end face 39 facing a first side, its second intermediate end face 40 facing a second side opposite the first side, its internal face 25 facing upwards and its external face 24 facing downwards, which is similar to the profile it presents when viewed with its second intermediate end face 40 facing the first side, its first intermediate face end 39 facing the second side, its internal face 25 facing upwards and its external face 24 facing downwards.
  • the insert 4 can be introduced into the housing 17 with either its first intermediate end face 39 or its second intermediate end face 40 first.
  • the sleeve 2 (conductive element 10 and screws 42, 43) is initially in a state where the screws 42 and 43 are in place in the threads 14 and 15 with each of the screws 42 and 43 which has its distal surface 33 at the outlet internal of the internal thread in which it is engaged (see on the figure 8 the screw 43 which is in this position).
  • the insert 4 is positioned in the housing 17 of the tubular portion 11 as shown in the drawings, that is to say with its external face 24 which is against the internal surface 16 of the tubular portion 11 and with its internal face 25 which faces the screws 42 and 43.
  • each distal surface 33 is away from the first longitudinal intermediate face 22 and from the second longitudinal intermediate face 23 of the insert 4, which is then free to pivot around of the axial direction: the insert 4 can be in the angularly centered position shown on the figures 3 , 4 , 8 and 9 or in an inclined position relative to this centered position, for example the position shown on the figure 6 .
  • the external face 24 of the insert 4 rests on the annular ribs 18 formed on the internal surface 16 of the tubular portion 11.
  • the terminal section 6 of the cable 3 is introduced through the opening 21 in the housing 17 of the tubular portion 11, and more precisely in the part 34 of this housing not occupied by the insert 4; and the end section 8 of the cable 5 is introduced into the housing of the tubular portion 12.
  • the end section 6 is clamped between the distal surface 33 of the screw 42 and the internal face 25 of the insert 4 and also between the distal surface 33 of the screw 43 and the internal face 25 of the insert 4.
  • the end section 8 is clamped between the distal surface 33 of the screw 42 and the internal surface 16 of the tubular portion 12 and also between the distal surface 33 of the screw 43 and the internal surface 16 of the portion tubular 12.
  • the annular ribs 18 are favorable for mechanical retention and electrical contact with the end sections of cables.
  • the device 1 is intended to be used in an electricity distribution network both at low voltage and at medium voltage, that is to say up to 50,000 volts.
  • the presence of the insert 4 is also favorable to these electromagnetic performances, since the insert 4 provides a certain centering of the end section 6 of the cable 3, and given that the rods 30 of the screws 42 and 43 of the tubular portion 11 sink into the housing 17 by an amount close to that of the screws 42 and 43 of the tubular portion 12, despite the smaller diameter of the end section 6 of the cable 3.
  • the layered arrangement of the longitudinal intermediate faces 22 and 23 of the insert 4 makes it possible to prevent the insert prematurely blocking the progression of one of the screws 42 and 43.
  • connection device 1 being in no way intended to be used in the absence of a cable to be connected.
  • connection device 1 admits a state ready to receive a terminal section of electric cable where the insert 4 is received in the housing 17 with the distal surface 33 of the first clamping screw 42 which is at away from each of the first and second longitudinal intermediate faces 22 and 23, and with the distal surface 33 of the second clamping screw 43 which is away from each of the first and second longitudinal intermediate faces 22 and 23; and in this state insert 4 is free from pivot around the axial direction in which the tubular portion 11 is oriented.
  • the insert 4 can no longer pivot and therefore remains in the angular position reached.
  • the layered arrangement of the longitudinal intermediate face 22 and of the longitudinal intermediate face 23 and the angular orientation of the screw 42 are such that the angular position reached is the aforementioned centered angular position.
  • the angular difference between the insert 4 and the screw 42 is assessed between the median longitudinal plane 26 of the insert 4 and the general direction 27 of the screw 42; and likewise the angular difference between the insert 4 and the screw 43 is assessed between the median longitudinal plane 26 of the insert 4 and the general direction 28 of the screw 43.
  • the insert 4 can have any angular position.
  • the longitudinal intermediate faces 22 and 23 may be at equal distance or at different distances from the distal surface 33 of the screw 42.
  • the insert 4 is in the angular position illustrated on the figure 6 , it is the longitudinal intermediate face 23 which is closest to the distal surface 33 of the screw 42.
  • the insert 4 In the case where in the state ready to receive the end section of cable, the insert 4 is in an angular position where it is the longitudinal intermediate face 22 which is closest to the distal surface 33 of the screw 42, l 'We arrive at the same centered angular position of the insert 4 when the screw 42 is at the end of its travel: during screwing, the distal surface 33 first meets the longitudinal intermediate face 22 through its first longitudinal portion 35, when the continued tightening of the screw 42, this causes the insert 4 to pivot around the axial direction in the direction where the second longitudinal intermediate face 23 approaches the distal surface 33, and when the second longitudinal intermediate face 23 , and more precisely its second longitudinal portion 36, comes into contact with the distal surface 33, the movement can no longer continue, the screw 42 is at the end of its travel.
  • the stepped arrangement of the first longitudinal intermediate face 22 and the stepped arrangement of the second longitudinal intermediate face 23 are chosen so that, in the angular centered position, the distal surface 33 of the screw 43 is equidistant from the first longitudinal portion 35 of the first longitudinal intermediate face 22 and of the second longitudinal portion 36 of the second longitudinal intermediate face 23.
  • connection device 1 illustrated on the figure 9 .
  • the driving depth of the screw 42 or of the screw 43 is the length of the portion of its threaded rod 30 which projects into the housing 17 from the internal surface 16 of the tubular portion 11; that is to say the total length of the screw, minus the thickness of the wall of the tubular portion 11, minus the length between the external surface of the tubular portion 11 and the upper surface of the head 31.
  • the screw which comes into abutment after the other screw has already been brought into abutment is in contact with only one of the longitudinal intermediate faces 22 and 23.
  • the angular position of the insert in the end-of-travel state of the connection device 1 is not the same if the screw 42 or the screw 43 are first tightened.
  • the driving depth of the first clamping screw 42 until the end of travel and the driving depth of the second clamping screw 43 until the end of travel are slightly different.
  • the driving depths are less than 20% of the smallest driving depth, or even less than 10 %.
  • the end position of screw 42 would be that illustrated on the figure 8 but the screw 43 could not then be screwed, it would already be at the end of its travel with its distal surface 33 in contact with the insert. This premature blocking of the progress of the screw 43 would prevent it from tightening the cable end section.
  • the stepped profile of the longitudinal intermediate faces 22 and 23 has a configuration such that in the end-of-travel state ( figure 9 ) the driving depth of the tightened screw first (for example the screw 42) and the driving depth of the tightened screw the second (for example the screw 43) are closer to each other than if the first and second longitudinal intermediate faces 22 and 23 had a flat profile.
  • the cable end section is obviously inserted in the part of the housing 17 not occupied by the insert 4 before the screws 42 and 43 are tightened.
  • the screws 42 and 43 are in principle maneuvered in turn, being each time turned by a similar angular quantity, in order to maintain a balance between their progressions.
  • the driving depths of the screws 42 and 43 are not necessarily balanced.
  • the end section can flourish less under the screw 43 than under the screw 42, because on the side of the screw 43 the insulating sheath of the cable has an effect of limiting the blooming of the cable.
  • connection device 1 is particularly simple and convenient to use, since no angular centering of the insert 4 is to be carried out before tightening the screws 42 and 43: in the event that the distal surface 33 of one of the screws 42 and 43 meets the longitudinal intermediate face 22 or 23, the insert 4 will be automatically driven to pivot towards a centered position.
  • connection device is different from a connection sleeve between two cables, for example a connection lug similar to the connection sleeve illustrated on the figures 1 to 4 , 8 and 9 except that one of the tubular portions is replaced by a contact pad.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (12)

  1. Verbindungsvorrichtung für ein Endstück (6, 8) eines Stromkabels (3, 5), enthaltend:
    - ein leitfähiges Element (10) mit einem rohrförmigen Abschnitt (11), der in einer axialen Richtung ausgerichtet ist, mit einem ersten Innengewinde (14) und einem zweiten Innengewinde (15), die jeweils durchgängig sind und in einer radialen Richtung ausgerichtet sind, wobei das erste Innengewinde (14) und das zweite Innengewinde (15) mit einem axialen Abstand und mit einem Winkelabstand angeordnet sind, wobei der rohrförmige Abschnitt (11, 12) eine Innenfläche (16) aufweist, die eine Aufnahmeausnehmung (17) definiert, die dazu ausgelegt ist, das Endstück (8) dann aufzunehmen, wenn es einen Querschnitt innerhalb eines vorbestimmten ersten Bereichs hat;
    - ein rinnenförmiger Einsatz (4), der eine Außenseite (24) und eine Innenseite (25) aufweist und dazu ausgelegt ist, in die von dem rohrförmigen Abschnitt (11, 12) begrenzte Aufnahmeausnehmung (17) angeordnet zu werden, wobei er mit seiner Außenseite (24) mit der Innenfläche (16) des rohrförmigen Abschnitts (11, 12) in Kontakt steht, wobei der nicht von dem Einsatz (4) eingenommene Teil der Aufnahmeausnehmung (17) dazu ausgelegt ist, das Endstück (6) dann aufzunehmen, wenn es einen Querschnitt innerhalb eines vorbestimmten zweiten Bereichs hat;
    - eine erste Klemmschraube (42) und eine zweite Klemmschraube (43), die jeweils in das erste Innengewinde (14) bzw. in das zweite Innengewinde (15) eingreifen, wobei jede dazu ausgelegt ist, zwischen ihrer distalen Fläche (33) und der Innenfläche (16) des rohrförmigen Abschnitts (11, 12) das in der Aufnahmeausnehmung (17) aufgenommene Endstück (8) mit dem Querschnitt innerhalb des vorbestimmten ersten Bereichs einzuklemmen und zwischen ihrer distalen Fläche (33) und der Innenseite (25) des Einsatzes (4) das in dem nicht von dem Einsatz (4) eingenommenen Teil der Aufnahmeausnehmung (17) aufgenommene Endstück (6) mit dem Querschnitt innerhalb eines vorbestimmten zweiten Bereichs einzuklemmen;
    wobei die Vorrichtung dadurch gekennzeichnet ist, dass
    - jede der ersten und zweiten longitudinalen Zwischenfläche (22, 23), welche der Einsatz (4) zwischen seiner Innenseite (25) und seiner Außenseite (24) enthält, jeweils auf einer ersten Seite bzw. einer zweiten, der ersten Seite gegenüberliegenden Seite, ein abgestuftes Profil aufweist,
    - in einem Zustand der Vorrichtung (1), in dem sie bereit ist, das Endstück (6) mit dem Querschnitt innerhalb eines vorbestimmten zweiten Bereichs aufzunehmen, wo der Einsatz (4) mit der distalen Fläche (33) der ersten Klemmschraube (42), die von jeder der ersten und zweiten longitudinalen Zwischenfläche (22, 23) beabstandet ist, und mit der distalen Fläche (33) der zweiten Klemmschraube (43), die von jeder der ersten und zweiten longitudinalen Zwischenfläche (22, 23) beabstandet ist, in der Aufnahmeausnehmung (17) aufgenommen ist, der Einsatz (4) frei um die axiale Richtung herum schwenken kann;
    - in einem Bewegungsendzustand der Vorrichtung (1), der von dem genannten empfangsbereiten Zustand aus erreicht wird, indem zuerst die erste Klemmschraube (42) und dann die zweite Klemmschraube (43) bis zum Bewegungsende angezogen wird, die distale Fläche (33) der ersten Klemmschraube (42) mit der ersten longitudinalen Zwischenfläche (22) und der zweiten longitudinalen Zwischenfläche (23) des Einsatzes (4) in Kontakt steht, während die distale Fläche (33) der zweiten Klemmschraube (43) mit mindestens einer der ersten und zweiten longitudinalen Zwischenfläche (22, 23) in Kontakt steht; und
    - das gestufte Profil dazu ausgelegt ist, dass die Eindringtiefe der ersten Klemmschraube (42) und die Eindringtiefe der zweiten Klemmschraube (43) in diesem Bewegungsendzustand näher beieinander liegen, als wenn die erste und die zweite longitudinale Zwischenfläche ein flaches Profil hätten.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass in dem Bewegungsendzustand die distale Fläche (33) der zweiten Klemmschraube (43) zugleich mit der ersten longitudinalen Zwischenfläche (22) und der zweiten longitudinalen Zwischenfläche (23) in Kontakt steht.
  3. Vorrichtung nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die erste longitudinale Zwischenfläche (22) und die zweite longitudinale Zwischenfläche (23) des Einsatzes (4) jeweils einen ersten Längsabschnitt (35) aufweisen, der bezüglich eines zweiten Längsabschnitts (36) zurückversetzt ist, wobei der erste Längsabschnitt (35) der ersten longitudinalen Zwischenfläche (22) im Bereich des zweiten Längsabschnitts (36) der zweiten longitudinalen Zwischenfläche (23) liegt, während der zweite Längsabschnitt (36) der ersten longitudinalen Zwischenfläche (22) im Bereich des ersten Längsabschnitts (35) der zweiten longitudinalen Zwischenfläche (23) liegt.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die erste longitudinale Zwischenfläche (22) und die zweite longitudinale Zwischenfläche (23) des Einsatzes (4) jeweils eine Schulter (37) an der Verbindung zwischen dem ersten Längsabschnitt (35) und dem zweiten Längsabschnitt (36) aufweisen, wobei die Schultern (37) im Bereich jeweils voneinander liegen.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Einsatz (4) sich längs zwischen einer ersten Endzwischenfläche (39) und einer der ersten Endzwischenfläche (39) entgegengesetzten zweiten Endzwischenfläche (40) erstreckt und der Einsatz (4) ein Profil aufweist, das bei Betrachtung mit seiner einer ersten Seite zugewandten ersten Endzwischenfläche (39), mit seiner einer der ersten Seite entgegengesetzten zweiten Seite zugewandten zweiten Endzwischenfläche (40), seiner nach oben gerichteten Innenseite (25) und seiner nach unten gerichteten Außenseite (24) dem Profil ähnlich ist, das er bei Betrachtung mit seiner der ersten Seite zugewandten zweiten Endzwischenfläche (40), seiner der zweiten Seite zugewandten ersten Endzwischenfläche (39), seiner nach oben gerichteten Innenseite (25) und seiner nach unten gerichteten Außenseite (24) aufweist.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass in dem Bewegungsendzustand die Innenseite (25) des Einsatzes (4) bezüglich der Innenseite (25) des rohrförmigen Abschnitts (11, 12) zu den Innengewinden (14, 15) hin exzentrisch liegt.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Außenseite (24) des Einsatzes (4) ferner eine Mehrzahl von einspringenden Flächenabschnitten (38) aufweist, die longitudinal verlaufen, so dass der Einsatz (4) ein blütenblätterförmiges Querschnittprofil aufweist.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Einsatz (4) einen ersten Sektorabschnitt, der winklig zwischen dem ersten Längsabschnitt (35) und dem zweiten Längsabschnitt (36) der ersten longitudinalen Zwischenfläche (22) liegt, einen zweiten Sektorabschnitt, der winklig zwischen dem ersten Längsabschnitt (35) und dem zweiten Längsabschnitt (36) der zweiten longitudinalen Zwischenfläche (23) liegt, und einen dritten Sektorabschnitt, der winklig zwischen dem ersten Längsabschnitt (35) der ersten longitudinalen Zwischenfläche (22) und dem ersten Längsabschnitt (35) der zweiten longitudinalen Zwischenfläche (23) liegt, aufweist; wobei an der Verbindungsstelle zwischen dem ersten Sektorabschnitt und dem dritten Sektorabschnitt ein einspringender Flächenabschnitt (38) des ersten Sektorabschnitts und ein einspringender Flächenabschnitt (38) des dritten Sektorabschnitts eine erste Längsnut bilden (44), an der Verbindungsstelle zwischen dem zweiten Sektorabschnitt und dem dritten Sektorabschnitt ein einspringender Flächenabschnitt (38) des zweiten Sektorabschnitts und ein einspringender Flächenabschnitt (38) des dritten Sektorabschnitts eine zweite Längsnut (45) bilden, und zwei einspringende Flächenabschnitte (38) im dritten Sektorabschnitt eine dritte Längsnut (46) auf halbem Abstand zwischen der ersten Längsnut (44) und der zweiten Längsnut (45) bilden.
  9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der rohrförmige Abschnitt (11, 12) eine die Aufnahmeausnehmung (17) begrenzende Bodenwand (19) und eine Einführöffnung (21) zum Einführen des Endstücks enthält, über welche die Aufnahmeausnehmung (17) der Bodenwand (19) entgegengesetzt ausmündet, wobei der Einsatz (4) sich dann, wenn er in der Aufnahmeausnehmung (17) des rohrförmigen Abschnitts (11, 12) aufgenommen ist, von der Bodenwand (19) bis zur Öffnung (21) erstreckt.
  10. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Innenfläche (16) des rohrförmigen Abschnitts (11, 12) eine Mehrzahl von ringförmigen Rippen (18) aufweist.
  11. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Klemmschrauben (42, 43) einen Gewindeschaft (30), einen Schraubenkopf (31) und einen Sicherungsabschnitt (32) aufweisen, welcher den Gewindeschaft (30) mit dem Schraubenkopf (31) verbindet, wobei der Sicherungsabschnitt (32) dazu ausgelegt ist, bei Erreichen eines vorbestimmten Anziehmoments sich selbsttägig zu lösen.
  12. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass sie einen Anschlussstutzen enthält, zu dem der rohrförmige Abschnitt (11), erster rohrförmiger Abschnitt (11) genannt, gehört, wobei der Stutzen einen zweiten rohrförmigen Abschnitt (12) enthält, der ähnlich wie der erste rohrförmige Abschnitt (11) ausgebildet ist, wobei der erste rohrförmige Abschnitt (11) und der zweite rohrförmige Abschnitt (12) über einen Verbindungsabschnitt (13) verbunden sind, wobei jeder des ersten und zweiten rohrförmigen Abschnitts (11, 12) an einem dem Verbindungsabschnitt (13) entgegengesetzten Ende eine Einführöffnung (21) zum Einführen eines Endstücks des Kabels (3, 5) in die Aufnahmeausnehmung (17) aufweist.
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GB0012804D0 (en) 2000-05-25 2000-07-19 Tyco Electronics Raychem Gmbh Cable lug
EP2065978B1 (de) * 2007-11-30 2015-08-19 Ridelin, S.L. Mechanische Verbinder mit darin enthaltenen Kabelzentrierungsmitteln
AU2013205481B2 (en) * 2009-10-21 2015-12-10 Sicame Australia Pty Ltd A Power Line Coupler
US8550842B1 (en) * 2012-05-24 2013-10-08 Tyco Electronics Corporation Cable connector systems and methods including same
CN105576397A (zh) * 2016-03-02 2016-05-11 国网山东省电力公司蓬莱市供电公司 电力线缆接线装置

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