Line guiding device for clean room applications, and holding element therefor

Abstract

The invention relates to a line guiding device (1), in particular for clean room applications, for guiding supply lines, which line guiding device is moveable back and forth so as to form a lower strand (3), an upper strand (2) and a deflection curve (4), comprising at least two flexible sheaths stacked one on top of the other and having receiving channels (25; 31; 47; 59) arranged next to one another in a transverse direction for at least one supply line (45) in each case. According to the invention, at least one holding element (8; 21; 46; 60; 70) is provided, which is attached to at least one lateral receiving channel of one of the sheaths in such a way that the holding element can be removed from the side, and protrudes beyond the height of said lateral receiving channel on one or both sides in a height direction perpendicular to the sheath in order to limit a displacement of the sheaths relative to each other in the transverse direction (Q). The invention also relates to the holding element (8; 21; 46; 60; 70) per se.

Description

[0001] Cable routing device for clean room applications and

[0002] Holding element for this

[0003] Technical field of the invention

[0004] The invention generally relates to a cable guide device with a holding element, in particular for clean room applications, for the protected dynamic guidance of supply lines such as cables, hoses or the like between two connection points, at least one of which is movable relative to the other.

[0005] Technical background of the invention

[0006] Such dynamic or active cable guide devices protect the cables against unwanted stresses during movement, usually between a stationary connection and a moving consumer, e.g. on a machine. They are typically linear or can be moved back and forth in a plane of movement along a longitudinal direction and typically form two strands.

[0007] - Lower run and upper run - and a roughly U-shaped deflection bend in between.

[0008] The plane of movement usually runs through the longitudinal direction and through a vertical direction that runs transversely, in particular perpendicularly, to the longitudinal direction. The deflection arc is curved around a deflection axis that usually runs along a transverse direction, transversely, in particular perpendicularly, to the longitudinal direction and transversely, in particular perpendicularly, to the vertical direction.

[0009] Furthermore, the invention relates to a holding element suitable for use in this cable guide device.

[0010] The invention specifically relates to a cable guide device intended for clean room applications, having at least one dust-tight, flexible covering, which has a number of receiving channels arranged next to one another in the transverse direction and extending in the longitudinal direction for dust-protective covering of supply lines, each of which typically accommodates at least one supply line. The covering is intended in particular to prevent abrasion of the lines, which inevitably occurs during travel, from being released into the environment. In addition, a covering made of a suitable material can improve the abrasion behavior overall. In addition, it is necessary to prevent the upper run from sliding on the lower run when the cable guide device is moved, which is why at least the upper run must assume a substantially elongated shape so that it does not touch the lower run.The lower run and the upper run should be spaced apart from each other in the vertical direction.

[0011] A sheath is flexible and can be bent around a deflection axis running in the transverse direction to form a deflection curve. The inside of the sheath, or inner side, faces the deflection axis or the opposite strand. The outside of the sheath, or outer side, faces away from the deflection axis or the opposite strand.

[0012] Cable guidance devices of this type are offered, for example, by the applicant under the name e-skin® ribbon cable (https: / / www.igus.de / info / e-skin-flat, accessed on April 15, 2024). They essentially comprise two connection points, the first of which is assigned to the power sources and is generally fixed, while the second is generally connected to the movable machine part to be supplied and moves back and forth against the first during operation. The supply cables are generally guided through the connection points so that their protruding ends can be further connected, while the ends of the flexible sheath are attached to the connection points.

[0013] The sheathing has a series of receiving channels that run side by side from one connection point to the other in the longitudinal direction. Multi-core cables or stranded structures for electrical signals, or even fluid lines, can be inserted into these receiving channels. The transverse arrangement of the receiving channels next to one another results in the shape of a strip, whereby the individual receiving channels can be interconnected.

[0014] The sheath is thus band-shaped. It has a main plane in which the longitudinal and transverse directions lie.

[0015] In this case, the receiving channels located on the outer sides, i.e. on the side edges, of the strip or the strip-shaped covering, i.e. the outer receiving channels with respect to the transverse direction, are referred to below as lateral receiving channels and the receiving channels arranged in between are referred to as middle receiving channels. Examples of such strips are described, for example, in the published applications WO 2020 / 148300 A1, WO 2020 / 249642 A1 and WO 2021 / 116467 A1 by the applicant of the present invention. The receiving channels can be provided individually, placed next to one another and, if necessary, connected to one another with connecting means. It is also possible to realize receiving channels lying next to one another which have a lens-shaped cross-section. The receiving channels can each be closed in the circumferential direction, so that the cables have to be threaded in from one end.It is also possible to provide the receiving channels with a closable opening running longitudinally, which particularly facilitates inspections and repairs.

[0016] For complex supply tasks, it is possible not only to combine the receiving channels side by side in the transverse direction in the form of a single strip, but also to arrange several strips or layers vertically one above the other. This is shown, for example, in the above-cited WO 2021 / 116467 A1 and also described on the applicant's aforementioned website "Flat Ribbon Cable e-skin®". According to this, up to six layers of receiving channels or up to six sheaths are possible. Typically, connection points with several "levels" of feedthroughs and attachment points for the sheath are provided.

[0017] It is also known to design the cable guide device so that it is asymmetrical in terms of bending behavior, i.e., it is bent from the extended configuration in the deflection bend, while it remains largely extended in the self-supporting upper run and essentially does not sag under the influence of gravity. This can be achieved both by designing the sheath (for example, WO 2016 / 042134 A1) and by inserting support elements connected to the connection points, preferably in the form of support chains, into at least one of the receiving channels.

[0018] A stack of layers or wrappings arranged one above the other has an inner side facing the deflection axis or the opposite strand and located radially inward in the deflection arc, and an outer side facing away from the deflection axis or the opposite strand and located radially outward in the deflection arc. Within a stack of layers or wrappings arranged one above the other, one of the layers lies on the inside in the deflection arc, i.e. on the inside of the stack, and one of the layers lies on the outside in the deflection arc, i.e. on the outside of the stack.

[0019] Due to the shape of the individual receiving channels, when they are folded together to form a strip or a strip-shaped covering, a structure of more or less deep grooves running longitudinally results between the receiving channels. This means that there is a general tendency for the receiving channels of an overlying strip to sink into these grooves when shifted sideways. This can indeed result in a certain stabilization of the layer package in the transverse direction. In practice, however, it has been shown that this is not sufficient to reliably rule out displacement of the layers in the transverse direction against one another, particularly in the area of ​​the deflection bend and in the event of transverse acceleration and over longer travel distances. It can also happen that layers become detached from one another instead of remaining in contact with one another. This leads to parts of the cable guide device sliding against one another, which must be avoided at all costs due to the risk of particle formation due to abrasion.In addition, individual parts of the cable guide device may not move parallel to each other as required. Increased friction between the cables inside the receiving channels may create additional moments of resistance and increase wear.

[0020] Attempts were made to avoid these problems by using a closed, elastic, tensioned belt that runs around the entire layer package in one direction around the lengthwise direction. However, this is not reliable and also has the disadvantage that the rotating belt has to be attached before the connection points are joined to the wrapping and therefore cannot be retrofitted. With this measure there is also the risk that the movement of the receiving channels against each other under the pressure of the tensioned elastic belt will result in increased wear and corresponding abrasion. In addition, severe wear of the rotating belt was observed on the outer sides of the multi-layer stack.

[0021] Object of the invention

[0022] Therefore, it is an object of the invention to provide a cable routing device suitable for clean rooms, in which a safe routing of the individual receiving channels and cables is ensured at all times during operation.

[0023] A further object of the invention is that the measures proposed to achieve the above object can be carried out at any time in the form of a retrofit, even in existing cable routing devices.

[0024] These objects are achieved by a cable guide device according to the main claim and a holding element according to the independent subsidiary claim 12.

[0025] The dependent subclaims relate only to preferred embodiments of the cable guide device according to the invention and of the holding element according to the invention and are not intended to limit their scope of protection.

[0026] General description of the invention

[0027] According to the invention, the cable guide device has at least one holding element which is detachably attached, in particular plugged, to at least one lateral receiving channel of one of the sheaths and which projects in the height direction beyond the height of this lateral receiving channel on one or both sides.

[0028] It has surprisingly been found that by the relatively simple measure of attaching, in particular plugging, at least one holding element onto at least one of the lateral receiving channels, the part of the holding element projecting inwards and / or outwards, or downwards and / or upwards, beyond the height of this receiving channel can stabilize the receiving channels located inside or outside this receiving channel in an adjacent layer, in particular when it touches this layer.

[0029] The holding element can have a section which, in the normal operating position or the installation position of the holding element in which the holding element is attached to a lateral receiving channel, extends in one or both directions or to one or both sides along the height direction, or upwards and / or downwards, and projects beyond the height of the receiving channel to which the holding element is attached.

[0030] The height of the receiving channel is understood to mean in particular the dimension of the receiving channel in the height direction perpendicular to the longitudinal direction and perpendicular to the transverse direction.

[0031] In the above-mentioned operational position, the holding element can in particular limit a displacement of the coverings or the layers against each other in the transverse direction.

[0032] This effect is not limited to the adjacent layers but, depending on the extent of the holding element along the height direction, also extends to more distant layers if these can come into contact with the holding element. Since in the layer stack the orientation of the layers changes according to the height at the transition from the lower run to the upper run, the layer lying on the outside with respect to the deflection bend, i.e. on the side facing away from the opposite run of the cable guide device, is referred to here as the outer layer, the layer lying on the inside with respect to the deflection bend, i.e. on the side facing the opposite run of the cable guide device, is referred to as the inner layer and any further layers present in between are referred to as the middle layers. The at least one holding element is preferably attached to the outer layer.

[0033] In a preferred embodiment, the holding element has a clamp section which partially encloses the lateral receiving channel onto which the holding element is attached or plugged, as well as at least one flat tab section, the plane of which is oriented both substantially perpendicular to the plane of the casing and in its longitudinal direction. In the installed position, the at least one tab section can then rest against the outer surface or side surface or side edge of the stack of multiple layers of the casing and stabilize it.

[0034] The side surface or side edge is understood to be the outer surface or edge of the stack which limits the stack in the transverse direction.

[0035] The cable guide device according to the invention preferably comprises a plurality of such holding elements. These can more preferably be attached in pairs to both lateral receiving channels of the same or different layers and can be arranged opposite one another in pairs in the transverse direction. Other arrangements are also possible.

[0036] The cable guide device according to the invention preferably has two to six superimposed layers of band-shaped sheaths.

[0037] In order to make full use of the advantages of the invention, the tab sections of the holding elements are dimensioned so long that they reach at least to the height of the outer or inner layers in the stack. If the holding element is therefore plugged onto a lateral receiving channel of the outer or outer layer, the tab section reaches at least to the inner or inner layer. If the holding element is plugged onto a lateral receiving channel of the inner layer, the tab section reaches at least to the outer layer. And if, in the case of several layers, the holding element is plugged onto a receiving channel of a middle layer, there are preferably two tab sections which reach at least to the inner or outer layer.

[0038] It happens that the individual layers or band-shaped wrappings have different widths, for example because they comprise receiving channels in a different number or with different diameters. In this case, it is particularly advantageous if the tab section adjacent to the outer surface or the side surface of the multi-layer stack is adapted to the profile of this outer surface. This means, for example, that the tab section has a bulge that engages in a recess in the outer surface of the stack.

[0039] In a further preferred embodiment, at least one support element is provided, which runs in at least one of the receiving channels and is fastened by its ends to the two connection points. Such support elements are intended to prevent the freely suspended upper run from sagging under the influence of gravity and coming into contact with the lower run during travel. Suitable support elements include, for example, structures made of wires, spring steel, or a suitable plastic. Support chains, such as those described in the published applications WO 2020 / 249642 A1 and WO 2021 / 116462 A1, are particularly preferred.

[0040] If the retaining elements on both sides of the multi-layer

[0041] stack and lie opposite one another in pairs, both holding elements of such a pair can preferably be connected to one another by a flexible band, which can particularly preferably also be under tension. The band preferably encloses that layer of the layer stack on which the clamp sections of the holding sections are held, particularly preferably the outer layer. This band is preferably not particularly elastic. This ensures that the holding elements do not slip and the stack is further stabilized. The band preferably has a closure part which can be closed after attachment by connecting both ends. So-called cable ties are suitable, for example.

[0042] Preferably, this flexible band runs from the outside of the clamp section of the holding element through an opening in the tab section.

[0043] The invention also includes a holding element for use in the cable guide device described above, which comprises a multi-layer stack of band-shaped flexible sheaths stacked in a height direction, each of which has receiving channels extending in a longitudinal direction and arranged next to one another in a transverse direction which runs transversely, in particular perpendicularly, to the longitudinal direction, for at least one supply line and / or for a support element, with lateral and central receiving channels with respect to the transverse direction.

[0044] The holding element has a clamp section which can be attached, in particular placed, onto a lateral receiving channel of one of the band-shaped flexible coverings of the multi-layer stack and can be removed from this. The clamp section has a longitudinal axis which, in the installed position, runs parallel to the longitudinal direction of the covering or to the longitudinal axis of the receiving channel. The holding element also has at least one flat tab section which extends away from the clamp section in the vertical direction or, in the installed position, extends from the clamp section essentially perpendicular to the plane of the covering. There can also be two tab sections which then run from the clamp section in opposite directions or on both sides along the vertical direction.

[0045] The clamp section preferably has two legs that complement each other to form an open ring. To attach or remove the retaining element from the receiving channel, the open ring can be elastically opened further and closes elastically around the receiving channel after being attached.

[0046] The removal procedure can be similar. At least one of the at least one tab section is connected to at least one of the legs substantially opposite the opening of the open ring, for example, by being integrally formed.

[0047] The shape of the legs or the open ring is preferably adapted to the circumference of the lateral receiving channel to which the holding element is to be attached.

[0048] The length of at least one tab section can advantageously be adapted to the height of the multi-layer stack of wrappers. This allows a specific shape of the holding element to be used for stacks of different heights.

[0049] The dimension of the at least one tab portion in the height direction is preferably greater than the dimension of the clamp portion in the height direction.

[0050] The dimension of the at least one tab section in the height direction is preferably adapted to the height of the multi-layer

[0051] Stack of wrappers can be adjusted. To adjust the length of a tab section, one or more predetermined breaking points, such as notches, created by weakening the material and running transversely to the tab section are particularly preferably provided.

[0052] To reduce the required number of retaining elements to be kept in stock, the retaining element can advantageously consist of two parts that can be connected together for use. One part comprises a first leg of the clamp portion and the tab portion connected thereto, while the other part comprises the second leg and optionally a second tab portion.

[0053] Preferably, the two parts of the holding element can be connected to one another by a pin with a toothed profile on one part and a corresponding blind hole on the other part, in which the pin can be received under frictional engagement.

[0054] The material of the retaining element is generally an elastic material, with the dimensions and material thicknesses being selected according to the task, namely to be attachable to and detachable from the receiving channel while simultaneously exhibiting sufficient holding force. The retaining element is preferably made of a thermoplastic elastomer.

[0055] Short description of the drawings

[0056] The invention will now be explained in more detail by way of example and without limitation with reference to the accompanying drawings. They show:

[0057] Figures 1A and 1B: an inventive

[0058] Cable guide device in schematic side view, Figure 2: the upper run of an inventive

[0059] Cable routing device in oblique view from above,

[0060] Figure 3A: a section AA ' through the upper run according to Figure 2 ,

[0061] Figure 3B : a side view B according to Figure 2 ,

[0062] Figure 4 : an oblique view of an inventive

[0063] Cable guiding device,

[0064] Figure 5: a section through the upper run according to an alternative embodiment of the invention,

[0065] Figures 6A to 6E: a holding element according to the invention in front, side, rear, top and oblique views,

[0066] Figures 7A and 7B: a second embodiment of the holding element according to the invention in side view.

[0067] Detailed description of preferred embodiments

[0068] In Figures 1A and 1B, a cable guide device according to the invention is shown schematically in side view, which guides cables 45 (see Figure 4) from a fixed connection point 10 on a base to a mobile connection point 9 on a moving component (not shown in detail), for example an automatically operated tool. The cable guide device is divided into a lower run 3, a deflection bend 4 and an upper run 2. During operation, the mobile connection point is moved back and forth in the longitudinal direction L, whereby the runs become shorter or longer in opposite directions. In general, the lower run rests on a support surface and rolls there during the movement, while the upper run floats freely or rests on the lower run and in the longitudinal direction

[0069] L slides. In clean room applications, however, the latter is excluded or undesirable because the sliding creates the risk of contamination through abrasion. In order to further limit contamination of the clean room even with a freely suspended upper run, the cables are guided in flexible sheaths, for example made of soft plastic. The cable guide device 1 has for this purpose a plurality of receiving channels 25 (Figure 2) which are arranged parallel to one another and can be connected to one another to form a band-like structure. The receiving channels can each accommodate one or more cables. Usually, a plurality of the band-like structures are placed on top of one another to form a stack, with each of the structures forming a layer of the stack. In the example shown, there are three layers. According to their position in the layer stack with respect to the deflection bend 4, the layers are referred to as the outer 7, middle 6 and inner 5 layer.

[0070] The cable guide device according to the invention also has holding elements 8, which are held on the outer layer 7 by their clamp portion 62 (Figure 6B). The tab portion 61 (Figure 6B) of the holding elements rests laterally against the side edges of the middle and inner layers 5, 6 and thus stabilizes the layer stack, particularly during the process.

[0071] In Figure 1A, the retaining elements 8 are dimensioned such that their tab sections extend inward (relative to the entire cable routing device) beyond the stack of layers. This has the advantage that, if necessary, additional layers of receiving channels can be added during retrofitting, provided the connection points can be retrofitted accordingly. In contrast, Figure 1B shows retaining elements in which the tab sections are essentially flush with the inner layer.

[0072] Figure 2 shows the upper run of a cable guiding device according to the invention in an oblique view of the outer layer of the layer stack. In this layer, five receiving channels 25 lie next to one another and are held in the outer clamping block 23 of the connection point 22. The connection point 22 also comprises an inner clamping block 24 for the inner layer of receiving channels (hidden here). To stabilize the stack, four holding elements 21 are provided, which are arranged in pairs opposite one another on the two lateral receiving channels. They are held to the lateral receiving channels by their clamp sections.

[0073] Figure 3A shows a section AA' through the upper run 30 of a cable guide device according to the invention shown in Figure 2. It has two layers 32, 33 of receiving channels. The inner layer 33 here consists of four receiving channels 31, on which the outer layer 32 rests. Holding elements with their clamp sections 34 are held on the lateral receiving channels of the outer layer 32, and their tab sections 35 project beyond the height of the layer stack.

[0074] Cables can be inserted into the still empty receiving channels 31 shown here, for example individually or in the form of stranded structures. This can be done from the end, but also after opening at the side, if the receiving channels are designed accordingly (for example according to WO 2020 / 148596 A1). If stiffening of the upper run is necessary, for example due to a long travel path and / or greater weight of the guided cables, support elements, such as support chains, can also be inserted into individual or all receiving channels 31 of the inner layer 33. The ends of the support elements as well as the receiving channels must be fastened at the connection points.

[0075] The tab sections 35 of the retaining elements extend inward beyond the layer stack. This opens up the possibility of incorporating additional layers into the cable guide device, even within layer 33. The curved design of the tab sections 35 allows a certain holding force to act on these additional layers, preventing them from possibly detaching from layer 33, which is stiffened by support elements.

[0076] Figure 3B shows a view from direction B (Figure 2) of the end face of the connection point 9 for the upper run. This connection point comprises two clamping blocks 37, 38 for the receiving channels of the two layers 32, 33. The fastening of the receiving channels and, if applicable, the support elements in the clamping blocks can be effected in a known manner using force-locking and / or form-locking methods and is not shown in detail here.

[0077] Figure 4 shows a further embodiment of a cable guide device 40 according to the invention, with an outer layer 42 consisting of five receiving channels 47 and a corresponding inner layer 41. Cables 45 are already inserted into the receiving channels. Due to the relatively short design, no support elements are present between the connection points 44 and 43. They can be installed, if necessary, by rearranging the cables in free receiving channels. The holding elements 46 are sufficient for stabilization here.

[0078] A second embodiment of the cable guiding device according to the invention is illustrated in Figure 5, specifically in a cross-section through the upper run. Two holding elements can be seen with the clamp sections 52 and the tab sections 51, which are held on the lateral receiving channels 59 of the outer layer 56 and lie opposite one another as a mirror-image pair. Furthermore, a middle layer 57 and an inner layer 58 are arranged between the tab sections 51, which are only indicated schematically here and can be designed variably with regard to the number and shape of the receiving channels. A flexible band 53 runs around the receiving channels of the outer layer 56, specifically in the area of ​​the clamp sections 52 outside the holding elements and in the area of ​​the tab sections 51 inside on the inward-facing side of the outer layer. It is guided through openings 55 in the holding element.This band is typically narrower than the width of the retaining element. The band can be an endless elastic band.

[0079] According to the invention, it is particularly provided that the band can be closed into an endless ring by means of a closure part 54. This closure part can be, for example, a hook-and-loop fastener. So-called cable ties are also usable. The closure part can also be formed by a material connection such as gluing or welding the band ends. This band further stabilizes the layer stack. Furthermore, with this embodiment, it is possible to replace the band or to add, replace, or even remove further layers of receiving channels in a retrofitting process.

[0080] The holding element according to the invention is shown in detail in Figures 6A to 6E. Figure 6A is a front view of the holding element 60 with the tab section 61 and the clamp section 62. The clamp section 62 comprises, as can be seen better in Figure 6B, the two legs 63 and 64 which are connected to one another at one end to form the clamp section 62 and are separated at the other end by a gap 65. If the holding element is made from an elastic material, the legs 63, 64 can be moved away from one another while widening the gap 65, so that the holding element can be pushed from the side onto a lateral receiving channel of the band-like structure to form the cable guide device according to the invention. The tab section 61 is bound to the clamp section at one end near the connection point of the legs 63, 64.

[0081] In the holding element according to Figure 6A, notches 67 are provided in the tab section 61 as predetermined breaking points in order to shorten the length of the tab section if necessary.

[0082] Figure 6C is a rear view of a retaining element according to the invention. Here, an opening 66 for the passage of the flexible band can be seen in the second embodiment of the cable guide device according to the invention. This opening can also be seen in the top view of Figure 6D.

[0083] The oblique view Figure 6E also shows the features of the holding element according to the invention.

[0084] A second embodiment of the holding element according to the invention is shown in Figures 7A and 7B. In this case, the tab section 71 is only connected to a first leg 73 of the clamp section, while the other second leg 74 is initially present in a separate component that is also provided with a pin 75. This pin can be inserted into a blind hole (not shown here) on the underside of the first leg 73. The pin 75 is provided with a toothed profile on its surface so that it is held in the blind hole by friction. This means that the force required to insert it is considerably less than that required to remove it.

[0085] When attaching a holding element of this embodiment to the layer stack of a cable routing device, the gap between the legs 73, 74 therefore does not need to be opened by elastic deformation of the material, but each leg can be placed individually against the lateral receiving channel and then the pin 75 can be secured in the blind hole. This makes it possible to use materials with low elasticity but higher strength values. If necessary, the clamp section can also be opened by destroying the holding element, since this does not generally entail high costs. With this embodiment, it is also possible to keep the gap between the two legs very small, so that the receiving channel is almost completely enclosed by the clamp section.

[0086] List of reference symbols Cable guide device Upper run Lower run Deflection bend Inner layer Middle layer Outer layer Holding elements Mobile connection point Fixed connection point Upper run Holding elements Mobile connection point Outer clamping block Inner clamping block Receiving channels Outer layer Upper run Receiving channels Outer layer Inner layer Holding element, clamp section Holding element, tab section Mobile connection point Outer clamping block Inner clamping block Webs Cable guide device Lower run Upper run Mobile connection point Fixed connection point Cables Holding elements Receiving channels Deflection bend Upper run Holding element, tab section Holding element, clamp section Flexible band Closure part Opening Outer layer Middle layer, schematic Inner layer, schematic Receiving channel Holding element Tab section Clamp section Leg Leg Gap Opening Notch Holding elements Tab section First leg Second leg Pin

Claims

Claims 1. Cable guiding device (1), in particular for clean room applications, for the protected guiding of supply lines (45) such as cables, hoses or the like between two connection points (9, 10), at least one of which is movable relative to the other, wherein the cable guiding device (1) has a longitudinal direction (L) and is movable back and forth to form a lower run (3), an upper run (2) and a deflection bend (4) located between the two, wherein the cable guiding device (1) is in a substantially extended position with respect to the longitudinal direction (L) within the upper run (2) and in a curved deflection position within the deflection bend (4), comprising: - at least two layers of band-shaped flexible sheaths lying one above the other to form a stack, comprising a layer (5; 33) lying inside the deflection bend (4) and a layer (7; 32) lying outside the deflection bend (4), wherein the sheaths each extend in the longitudinal direction (L) at least between the connection points (9, 10) and have receiving channels (25; 31; 47; 59) arranged next to one another in a transverse direction for at least one supply line (45) and / or for a support element, wherein each sheath has lateral and central receiving channels with respect to the transverse direction, characterized in that - the cable guide device (1) has at least one holding element (8; 21; 46; 60; 70) which is removably attached to at least one lateral receiving channel of one of the sheaths and which projects beyond the height of this lateral receiving channel on one or both sides in a height direction perpendicular to the sheath.

2. Cable guide device (1) according to claim 1, characterized in that the holding element (8; 21; 46; 60; 70) has a clamp section (34; 52; 62) which at least partially encloses the lateral receiving channel, and at least one flat-shaped tab section (35; 51; 61) which is oriented with its plane both substantially perpendicular to the plane of the sheath and in its longitudinal direction (L).

3. Cable guiding device (1) according to claim 1 or 2, characterized in that it has a plurality of holding elements (8; 21; 46; 60; 70).

4. Cable guide device (1) according to claim 3, characterized in that the holding elements (8; 21; 46; 60; 70) are arranged opposite one another in pairs on both lateral receiving channels.

5. Cable guiding device (1) according to one of the preceding claims, characterized in that the cable guiding device (1) has two to six superimposed layers (5, 6, 7) of band-shaped coverings.

6. Cable guide device (1) according to claim 5, characterized in that the tab sections (61) of the holding elements (8; 21; 46; 60; 70) extend along the height direction at least as far as the outer (7; 32) and / or inner layer (5; 33).

7. Cable guide device (1) according to claim 5 or 6, characterized in that the tab sections of the holding elements (8; 21; 46; 60; 70) are adapted to the profile of the side surface of the stack of superimposed sheaths.

8. Cable guide device (1) according to one of the preceding claims, characterized in that a support element runs through at least one of the receiving channels (25; 31; 47; 59).

9. Cable guide device (1) according to claim 8, characterized in that the support element is a support chain.

10. Cable guide device (1) according to one of the preceding claims 4 to 9, characterized in that holding elements lying opposite one another in pairs are connected by a flexible band (53) which runs in a closed manner in the circumferential direction around that layer of the multi-layer stack by which the holding elements are held.

11. Cable guide device (1) according to claim 10, characterized in that the tab section (61) of the holding elements (60) has an opening (66) for the passage of the flexible band (53). 12.Holding element (8; 21; 46; 60; 70) for use in the cable guide device (1) according to one of the preceding claims, which comprises a multi-layer stack in a height direction of stacked band-shaped flexible sheaths, each having receiving channels (25; 31; 47; 59) extending in a longitudinal direction (L) and arranged next to one another in a transverse direction, for at least one supply line (45) and / or for a support element, with lateral and central receiving channels with respect to the transverse direction, characterized in that the holding element (8; 21; 46; 60; 70) has a clamp section (34; 52; 62) which can be attached to and removed from a lateral receiving channel of one of the band-shaped flexible sheaths, wherein the clamp section (34; 52; 62) has a longitudinal axis which, in the installed position, is parallel to the longitudinal direction (L) of the band-shaped wrapping, and has at least one tab section (61; 71) which is in. Installation position away from the clamp section (34; 52; 62) in the height direction.

13. Holding element (8; 21; 46; 60; 70) according to claim 12, characterized in that the clamp section (34; 52; 62) has two legs (63, 64; 73, 74) which can be opened elastically and can engage around the lateral receiving channel, wherein at least one tab section (61; 71) is connected to one of the legs (63, 64; 73, 74). Holding element (8; 21; 46; 60; 70) according to claim 13, characterized in that the shape of the legs (63, 64; 73, 74) is adapted to the circumference of the lateral receiving channel.

15. Holding element (60) according to one of claims 12 to 14, characterized in that the dimension of the at least one tab section (61; 71) in the height direction is greater than the dimension of the clamp section (34; 52; 62) in the height direction, preferably wherein the dimension of the at least one tab section (61; 71) in the height direction is adaptable to the height of the multi-layer stack of the wrappers.

16. Holding element (60) according to claim 15, characterized in that the tab section (61) is provided with at least one predetermined breaking point (67).

17. Holding element (70) according to one of claims 13 to 16, characterized in that it consists of two parts which can be connected to one another, one of which comprises a leg (73) of the clamping section and the tab section (71) connected thereto and the other of which comprises the second leg (74) of the clamping section and optionally a second tab section, the two parts being connected in particular by a pin (75) with a toothed profile on one part and a corresponding blind hole on the other part, wherein the pin (25) can be received in the blind hole preferably under frictional engagement.

18. Holding element (8; 21; 46; 60; 70) according to one of the claims 12 to 17, characterized in that it is made of an elastic, preferably thermoplastic material.

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