Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
  • H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G15/00—Cable fittings
  • H02G15/007—Devices for relieving mechanical stress
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
  • F16G13/00—Chains
  • F16G13/12—Hauling- or hoisting-chains so called ornamental chains
  • F16G13/16—Hauling- or hoisting-chains so called ornamental chains with arrangements for holding electric cables, hoses, or the like
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
  • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
  • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
  • F16L3/1066—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing with three or more members surrounding the pipe
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
  • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
  • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
  • F16L3/1075—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing with two members, the two members being joined with a hinge on one side and fastened together on the other side
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
  • F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/30—Installations of cables or lines on walls, floors or ceilings
  • H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps

Definitions

• the invention generally relates to a cable feedthrough for the orderly implementation of multiple supply lines, such as cables, hoses or the like. , And in particular such a conduit feedthrough, which is usable as a strain relief for a power transmission chain.
• Strain relief function known in many designs, e.g. as cable sleeves with compression fitting. Also as
• Strain relief can be optimally matched to each line, but the assembly is very expensive, especially for a larger number of different lines such. quite common with cable drag chains.
• FIG.3 has, according to the wording in the preamble of claim 1, a multi-part approximately rectangular support frame with two opposing horizontal strips (2, 5), namely a lower C-rail (5) for attachment and an upper clamping rail (2 ), which by means of a
• Clamping device (3, 4) is clamped against the C-rail.
• the strips (2, 5) are connected by side parts (1), namely a plurality of vertically stacked holding blocks.
• the holding blocks (1) hold the two in the assembled state
• Strain relief by non-positive fixing of the cables at the spacers comprises in the known design according to FIG.3 two clamping screws (3,4), which are supported with threaded bolts in the C-rail. With threaded nuts the
• Clamping device has long been known e.g. out
• a first object of the present invention is thus to propose a cable bushing for a plurality of supply lines, which simplifies the assembly. In particular, a simplified adjustment or production of a strain relief effect can be provided. This object is achieved by a device according to
• the assembled state in which the frame parts are firmly connected to each other, can be achieved by the quick release, i. of the
• Quick-releases it is e.g. a circumferential clamping clamp with a clamping plate and a quick release conceivable. In a preferred embodiment, however, it is provided that the clamping device with two quick release
• End portions of the first bar are stored and with the transverse interact with the strips arranged side panels.
• Side panels provided two one-piece side panels, which connect the strips and can transfer traction from the first bar on the second bar.
• a particularly preferred embodiment provides that the two side parts, each with an end portion
• the pivoted-side parts exert the clamping force on the spacers and the lines.
• This design is particularly easy to handle and retains even in the open position still a certain frame function so that the frame and the dissolved spacers do not fall apart.
• an additional leverage for the clamping force can be realized depending on the pivot point position and length of the side parts.
• the second bar as a stationary frame of
• Quick-release mechanism and possibly also be carried out for attachment of the holding frame.
• the clamping force can be achieved by mutually parallel bars. This too can be achieved with two quick-releases, e.g. if the second bar is designed as a stationary frame, possibly also for fixing the holding frame, and the first bar on the basis of the two
• clamping screws and avoids overstraining them.
• two clamping devices designed as a toggle clamps are provided as clamping device, which are preferably arranged symmetrically on the support frame and exercise symmetrical clamping forces on two sides of the side parts and the first bar.
• toggle clamp With a toggle clamp can be manually operated with little force and without additional tool, a relatively high clamping force can be generated. In addition, an inherent lock in a desired closed position can be provided to exert a predetermined force.
• the arrangement of two toggle levers on the support frame a more uniform force distribution is simplified on the multiple lines.
• each toggle lever tensioner has a tensioning arm, with a first end portion shaped as a holding claw and one by means of a
• the hinge bracket defines a first pivot axis on the first bar and the second
• the retaining claw can on a
• Retaining pin on the cross member define the third pivot axis.
• the hinge bracket define two pivot axes perpendicular to the mounting plane to as accurately as possible in the
• Swivel joints are releasably designed, in particular, the swivel bar can be releasably mounted on the first bar and / or the clamping arm releasably mounted on the swivel bracket to facilitate removal and attachment of at least one frame part. All pivot axes can be perpendicular to
• Mounting level run, u.a. to ensure the stability of the frame in the mounting plane.
• the first Strip is designed as a profile strip with an outwardly open receptacle for lowering the two toggle clamps in a locking position. This allows everyone
• Toggle levers are substantially recessed in the first bar, especially when the toggle clamp is pivoted beyond the dead center position of the toggle clamp (i.e., when the three pivot axes are in one plane and all pivot points are on a straight line). This avoids disturbing protruding parts of the toggle clamps during operation and reduces the risk of accidental opening of the
• Toggle clamps e.g. by hooking the tensioning arm to another object.
• the object is achieved in a line bushing according to the preamble of claim 10 by the two side parts are pivotally mounted with its first end portion on the second bar and with their other
• Closed position can be pivoted into an open position, in which the spacers for insertion or
• the first bar at both ends is in each case with one of the two side parts
• the first bar can solve only one
• Screw connection i. the screw connection to a
• each side member has a first end portion Swivel opening, by means of which it is detachable on a
• the pivot axis of the side parts e.g. defined by
• Pivot opening and pivot pin is preferably parallel to the direction of insertion or perpendicular to the mounting plane or
• the primary clamping action is preferably achieved by the swiveling of the side parts relative to one another. This also allows leverage to be exploited.
• the first strip has at least one end perpendicular to its longitudinal extent
• the first bar can already hold or latch after swiveling, so that clamping force between the side panels is already achieved even before the screw connection.
• the first strip can also be secured to the side parts with other connections, e.g. by means of locking connectors or other non-positive and / or positive connection, in particular by means of quick release (see above).
• spacers designed to be elastically deformable are and establish the lines frictionally in the mounting plane when the closed position of the clamping device is reached.
• the desired clamping force can be specified via the properties of the spacers. It can with the proposed closure on
• the support frame may in particular consist of four main parts, two strips and two side parts, which in the mounting plane in the closed position in the
• soft elastic spacers used in the form of elongated clamping parts with opposite clamping surfaces used.
• the elasticity or deformability can in particular with a honeycomb-like cavity structure between the
• strain relief can be the bushing according to one of the above
• the cable feedthrough is particularly suitable as a strain relief for a power supply chain, i. for an active one
• Cable guide device for guiding cables
• Endbefest onlyslaschen can by screw connection and / or done by positive locking.
• jaws are arranged on each side part, which in the
• FIG. 1A-1B a perspective view of a
• FIGS.2A-2B a vertical section through the
• FIG. 3 one known from the prior art
• Strain relief type "strain relief plug-in system” from igus GmbH
• FIG. 4A-4B show a vertical section (FIG. 4A) and a horizontal section (FIG. 4B) according to line B-B of a second exemplary embodiment of a cable bushing as strain relief on the end fastening element of FIG.
• FIGS.5A-5D views of a third embodiment a strain relief device for a
• FIGS. 6A-6B a strain relief device according to FIG. SA-SD, with retaining clips (FIG.6B) for mounting on
• FIGS. 1-2 show a strain relief 10 for the passage of supply lines (not shown) at the end to an energy guide chain (not shown).
• the strain relief 10 consists essentially of four frame parts and the spacer 16 received therein, namely an upper first strip 11, a lower second strip 12 and two
• the strip parts 11, 12 and the side parts 13, 14 form a rectangular support frame 15 which holds the spacers 16 when the support frame 15 is closed or mounted.
• the side parts 13, 14 hold the two strips 11, 12 keep parallel at a distance. Between the individual spacers 16 are the supply lines not shown here
• FIGS.2A-2B i. the spacers 16 serve as
• a clamping device consisting of two toggle clamps 20 integrated.
• Toggle clamps 20 serve as quick release and
• the toggle clamps 20 are identical and arranged mirror-symmetrically.
• the two side parts 13, 14 are in one piece,
• the side parts 13, 14 can be performed with respect to a horizontal mirror symmetry.
• the side parts 13, 14 have two serving as a pivot axis cylindrical
• the retaining pins 17 are each perpendicular to the longitudinal extent, in one of the two exposed
• each side part 13, 14 are provided.
• the lower retaining pins 17 engage behind releasably in a pivot opening 18 and thus the second bar 12 are releasably connected.
• the retaining pins 17 form in the pivoting openings 18 a pivotable in the mounting plane (FIG 2A-B) swivel for raising and Zuschenken the
• the strips 11, 12 can as
• Injection molded parts are made of plastic.
• Each toggle clamp 20 has a clamping arm 22 and is preferably made as an injection molded part.
• Each toggle clamp 20 has a first end portion formed as a retaining claw 23 and retaining hook. The retaining claw 23 engages in each case the upper retaining pin 17 of a
• a hinge bracket 25 can thereby, e.g. be performed in the manner of a C-clamp or as a fully continuous bracket in the manner of a closed ring and is made of solid material against deformation.
• Hanger 25 forms two cylindrical pivot pin 26, which serve as a rotation axis. The one pivot pin 26 is locked in the holder 24 of the clamping arm 22.
• pivot bracket 19 is at the respective end of the first Strip 11 as a cross-sectionally C-shaped bearing receptacle
• Swivel bracket 19 is open inwardly open and allows easy release of the hinge bracket 25 from the first bar 11.
• the retaining pin 17, the pivot bracket 19 and the pivot pin 26 of the hinge bracket 25 are perpendicular to the mounting plane with a rotation axis
• Retaining pin 17 or swivel mount 19 allows the frame parts, i. the strip parts 11, 12 and the
• Side parts 13, 14 can be easily assembled and easily disassembled. In particular, as well as the access to the spacers 16 and the intermediate supply lines is simplified.
• Strip 11 designed as a profile strip with an outwardly open receptacle, in which a predominant part of the two toggle clamp 20 is sunk in the closed position.
• the clamping arm 22 at the inner end region has a corresponding bent back actuating tab 28, which can be unlocked by hand.
• All the frame parts 11, 12, 13, 14 preferably have on the inside a receiving profile matching the thickness of the spacers 16, e.g. in the form of a groove, for holding the spacers 16 and strain relief blocks.
• Spacers 16 are preferably designed elastically deformable to establish the lines non-positively.
• Holder frame 15 have on a power transmission chain.
• the disclosure of DE 20 2017 101 483 is hereby incorporated by reference for the purpose of brevity, in particular
• FIGS.4A-4B show another variant of a
• Cable bushing 100 which serves as a strain relief on the end attachment 40 of a power transmission chain.
• the end fitting 40 has two mirror-symmetrical end fastening tabs 41, 42 which are designed for articulated connection to a chain link (not shown).
• the Endbefest Whileslaschen 41, 42 are made of plastic and held by transverse webs 43 parallel to each other. Both Endbefest Trent 41, 42 have frame areas with inserted screw bushes 45 made of metal for screwing on the movable or fixed connection area.
• the line feedthrough 100 in FIGS. 4A-4B differs essentially in two points from FIG. 1 with regard to the construction of the two side parts 113, 114 and the first strip 111. For securing in the chain longitudinal direction or
• the construction of the quick release 20 is in principle identical to in FIG.1-2.
• the tensioning arm 20 and the pivoting brackets 25 are made of dimensionally stable, warp-resistant material, e.g. made of metal or reinforced plastic or a
• FIGS.5A-5D show a third variant of a
• the strain relief 200 has a four-part holding frame 215 of two parallel horizontal strips 211, 212, and two vertical side parts 213, 214. A number of block-like spacers 16 are held in the holding frame 215. Between each two vertical spacers 16 may have more Cables, such as cables, hoses or the like. , inserted and clamped. Again, spacers 16 are used with honeycomb-like according to utility model DE 20 2017 101 483. On both narrow sides, the spacers 16 have projections with which they are positively held against tensile force in the inside longitudinal grooves of the profile-like strips 211, 212. In the closed position generates the
• the two side parts 213, 214 are each pivotally mounted with their first end portion on the second bar 212. At the other end region, the two side parts 213, 214 are respectively screwed to the first strip 211 by a screw 235 and have, for example, a suitable internal thread or an inside receptacle for a nut (not shown).
• each side part 213, 214 ends an inwardly open pivot opening 218, the detachable and
• Pivot pin 217 of the second bar 212 cooperates.
• the pivot axis is perpendicular to the mounting plane or
• each side part 213, 214 pivot in an open position to release spacers 16 and lines.
• FIG.5A and FIG.5C illustrate, the first
• Strip 211 after solving only one of the screws 235 together with the other side part 213, 214 open and closed. In the open position of FIG.5A and 5C are the
• the first strip 211 has at both ends a projecting sleeve 236 projecting perpendicularly to its longitudinal extension for aligning the screw 235, which is in a vertical position
• Receptacle 237 fits in the side part 213 and 214, so that the bar 211 is quickly closed even in FIG.5-6 already before the screw is done by means of the screw 235.
• the retaining clip 230 stops the frame 215 and thus the strain relief 200
• FIG. 6A furthermore shows four corners arranged vertically through one another
• the strips 211, 212 may be designed as aluminum profile rails and as common parts possibly with attachments for pivotal mounting.
• the side parts 213, 214 are identical parts and preferably injection-molded plastic parts.
• the holding frame 215 is thus symmetrical or side-exchangeable as well as equivalent to both sides hinged, see. 5A.
• the holding frame 215 consists of rigid parts 211, 212; 213, 214 are made robust, especially with torsion-resistant cross-sectional profile.
• the holding frame 15; 215 according to both concepts (FIG.1-4 and FIG.5-6) allow a considerable time saving in the assembly (and disassembly during maintenance).
• honeycomb spacers or clamping blocks 16 also different lines can be inserted together in one layer.
• FIG.1-2 LIST OF REFERENCES FIG.1-2:
• FIG. 3 (prior art):
• FIG.4 6 strain relief blocks
• FIG.5-6 is a diagrammatic representation of FIG.5-6.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Mechanical Engineering (AREA)
• Clamps And Clips (AREA)
• Mutual Connection Of Rods And Tubes (AREA)
• Supports For Pipes And Cables (AREA)
• Installation Of Indoor Wiring (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=58773756

Family Applications (1)

Country Status (7)

Cited By (2)

Families Citing this family (10)

Citations (10)

Family Cites Families (132)

• 2017
  • 2017-04-10 DE DE202017102147.5U patent/DE202017102147U1/de active Active
• 2018
  • 2018-04-10 EP EP18717336.4A patent/EP3610541A1/de not_active Withdrawn
  • 2018-04-10 WO PCT/EP2018/059164 patent/WO2018189182A1/de not_active Ceased
  • 2018-04-10 KR KR1020197033093A patent/KR102569726B1/ko active Active
  • 2018-04-10 JP JP2019555149A patent/JP7264825B2/ja active Active
  • 2018-04-10 CN CN201880031000.4A patent/CN110800179B/zh active Active
  • 2018-04-10 US US16/604,255 patent/US11600981B2/en active Active

Patent Citations (10)

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