TW202403202A - Line guide device and support chain for cleanroom applications - Google Patents

Abstract

The invention relates to a line guiding device (1) comprising an envelope (8) and a support chain (10), as well as the support chain per se, consisting of alternating chain links (20) and joint connectors (30) having a deformable region (32) and holding together two adjacent chain links (20) swivelable relative to one another. The chain links (20) and/or articulated connectors (30) are connectable to and/or detachable from one another in a joining direction other than the longitudinal direction of the chain. The invention also relates to a support chain (10) comprising chain links (20) connected to each other for transmitting tensile and/or compressive forces. A rear lower part (202B) of a first adjacent chain link (20’) is insertable into a front space (241) between a front upper (201A) and lower part (201B) of a respective chain link (20), and a front upper part (201A) of a second adjacent chain link (20’’) is insertable into a rear space (242) between a rear upper (202A) and lower part (202B) of the respective chain link (20).

Description

Line guides and support chains for clean room applications

The present invention relates generally to a line guiding device, in particular for clean room applications, for the protective dynamic guidance of supply lines, such as cables, hoses, etc., in the longitudinal direction between two connection points. , at least one of the connection points is moveable relative to the other. Such dynamic or active line guides protect the line from unintended stresses during movement, typically between a fixed connection and a movable consumer, such as on a machine. They are generally displaceable linearly in the longitudinal direction or reciprocally in a plane of movement and generally form two segments extending substantially in the longitudinal guidance direction and a deflection arc therebetween. The deflection arc is generally curved in a generally U-shape about a deflection axis extending in a transverse direction transverse to the longitudinal direction. Therefore, the deflection arc is approximately U-shaped in the plane of the longitudinal direction and the height direction. In the intended operating state, the line guide is folded back in the deflection arc so that one of the segments can merge into the deflection arc and thus into the other segment.

The invention also relates in particular to a support chain itself for such a line guide.

In particular, the present invention relates to a line guide device with a flexible envelope for clean room applications, the flexible envelope having a plurality of storage ducts arranged adjacent to each other and extending in the longitudinal direction, for Supply lines are enclosed to protect them from dust, and each of these ducts typically houses at least one supply line. The envelope is specifically intended to prevent the release into the surrounding environment of any material inevitably formed during the traveling movement from the wear of the line. Furthermore, an envelope made of suitable materials can improve the overall wear behavior.

For stability or for longer lengths, so-called support chains are used to support line guide rails, especially in the extended position of self-supporting or unsupported segments. To this end, support chains can be arranged in the receiving duct instead of wires, and the support chains occupy extended positions to form segments and arcuate positions to form deflection arcs, wherein the support chains also predetermine the desired radius.

Depending on the load weight, for example two support chains are used transversely outside the envelope. Multi-layer structures are also known, in which more than two support chains are used in the envelope of the support layer, and even layers without circuits at all, ie with only support chains in the envelope of one layer.

Such a line guide with a support chain is proposed, for example, in WO 2021/116467 A1. A typical support chain of this type consists of a plurality of chain links that are hingedly connectable or connected together in the longitudinal direction. Each pair of adjacent or consecutive links is rotatably connected with respect to each other by a hinged joint in or opposite to the bending direction.

The two chain links are designed to be rotatable relative to each other between an extended position and a bent position in the plane of the longitudinal direction and the height direction. In this way, the support chain is displaceable, forming two segments extending generally in the longitudinal direction and a deflection arc connecting the segments. In this case, the deflection arc is generally generally U-shaped in the plane in which the longitudinal direction and the height direction lie. Such support chains ensure in particular that a specific radius is maintained in the deflection arc, ie, kinking of the line is prevented. Furthermore, the length is increased because the support chain achieves a greater self-supporting length, mainly the length of the upper section. Therefore, it is possible to use such support chains instead of wires in the envelope, which usually have particularly compact dimensions at least in the cross-sectional direction, especially compared with common energy chains. Therefore, the general support chain itself usually and preferably does not have a receiving duct for the line.

The articulated joint in WO 2021/116467 A1 is implemented in the form of a pin/socket rotary joint connection, in which each link has two laterally protruding joint pins and two complementary joint sockets, the joint pins being rotatably received in the joint sockets middle. The disadvantage here is that the friction between the corresponding connection pin and the connection socket releases particles during operation, which is particularly undesirable in clean rooms. As described above, the support chain and the supplied supply lines are inserted into the envelope. The support chain may wear out faster than the supply line, requiring replacement of the entire envelope or opening the envelope and replacing the support chain or providing separate envelope units specific to the support chain. Therefore, it is necessary to increase the service life of the support chain. A known weak point of a support chain may be the hinge joint, for example in the case of a pin/socket swivel joint, which is exposed to considerable shear and alternating stresses during reciprocating travel.

The chain links according to WO 2021 116467 A1 each have a front longitudinal portion and a rear longitudinal portion relative to the longitudinal direction. The two longitudinal portions are suitably shaped to connect the links together in a predetermined articulated manner, in particular so that the predetermined geometry of the deflection arc is maintained.

The chain link according to WO 2021 116467 A1 has a space between two sides in a rear longitudinal portion into which the front longitudinal portion of another rear link following in the chain or of an adjacent link can be inserted in the longitudinal direction. in this space; and two recesses spaced apart from each other in the longitudinal direction, one on the top of the link, i.e. on the outside side of the deflection arc, and one on the bottom, i.e. on the inside of the deflection arc on that side. The front longitudinal portion has two protrusions protruding in the height direction for interaction with the transverse connector. When the links are joined together, the lower projection projects into the lower recess in the extended position of the two links and the upper projection projects into the upper recess in the fully bent position of the two links.

However, in the configuration of the support chain according to the teaching of WO 2021 116467 A1, there is a position in which the two links are in relation to each other between a straight position and a fully bent position, in which position there are no protrusions and depressions in each other. Function or only a very small public activity area. In such a position, the links may separate from each other in the longitudinal direction, or excessive loading may lead to breakage.

In the event of expected displacements, the support chain is subjected to tensile or compressive stresses, especially in the longitudinal direction. Therefore, according to WO 2021 116467 A1, in the above-mentioned intermediate position, tensile forces can only be transmitted by the pin/hole hinge joint. In this case, especially the hinge pin is subjected to shear stress. This can shorten the maximum service life of the support chain or require an undesirably bulky construction.

Therefore, the object of the present invention is to propose a line guide with a support chain or a support chain for the line guide, which support chain is more stable and suitable for transmitting tensile and compressive forces and has a longer service life while maximizing compactness is intended, especially in the cross-section of the chain links. This object is achieved by a line guide or a support chain according to claim 1 or 2 and independently by a line guide according to independent claim 7. first form

According to an independent first aspect, the above object is achieved simply in a general line guide according to the preamble of claim 1 or in a support chain according to the preamble of claim 2, since the support chain is at least in the longitudinal direction of the strands. Composed in parts, the strands have alternating successive links in the longitudinal direction and connectors, wherein the connectors in each case contain deformable regions that are elastically deformable in particular in the bending direction, wherein the connectors The connector holds two adjacent chain links together in each case, especially in the longitudinal direction.

Joint connectors or joint elements with bendable or deformable regions make it possible in this case in particular to avoid the pin/socket articulated joints typical of articulated chains and the accompanying wear.

The chain links are rotatable relative to one another, in particular in the bending direction or opposite to the bending direction, in particular between the extended position and the bending position of two adjacent, connected chain links relative to each other in each case. .

Furthermore, according to the first aspect, it can in particular be provided that at least some of the links of the strands and/or the joint connectors can be connected together in a joining direction different from the longitudinal direction, in particular perpendicular to the longitudinal direction, and/ Or can be separated from each other. Therefore, under normal operating conditions, connections between chain links, especially articulated joints, cannot be separated or disassembled non-destructively by tensile forces acting in the longitudinal direction. This connection is stable and the service life of the support chain is therefore increased.

In a particularly preferred configuration, the joint connector or joint element is intentionally subjected to bending stresses when two adjacent chain links connected by the joint connector are rotated between an extended position and a bent position. In this case, the joint connector or joint element has an elastic configuration at least in the deformable region.

The joint connectors or joint elements can in particular be embodied as separate, separate components which can be connected to the chain links in a detachable or non-destructive manner. However, alternative configurations are also conceivable in which the joint connector or joint element is a one-piece component of the chain link, for example molded onto the chain link using two-component injection molding. At least one end region of each terminal connector is preferably detachably connectable to an adjacent chain link. However, it is also conceivable that the chain link is formed by fitting together two separate components, which components in each case contain a joint connector produced integrally therewith. Also in this case, the direction of engagement of the link components preferably differs from the longitudinal direction and may for example correspond to the transverse direction.

The respective chain links may have two outer sides spaced apart from each other in a transverse direction perpendicular to the longitudinal direction, facing away from each other in the transverse direction and delimiting the chain link. In this case, the chain link is designed with a continuous cross-section at least between the outer sides or is designed as a solid body at least in the cross-sectional direction.

A particularly preferred configuration is that, at least between the joint connector and the chain link, the joining direction extends essentially in the transverse direction.

In one embodiment, provision is made for the strand to be configured as a series of chain links and individual connectors that are alternately connected together and implemented as separate components, wherein Each of the plurality of joint connectors is preferably detachably connected to two adjacent chain links in each case.

In a particularly preferred configuration, the chain link is configured according to the following independent second aspect of the invention, the preferred features of the second aspect also applying to the first aspect and vice versa.

Related sub-requests reveal additional preferred configuration features that are relevant to both aspects. second form

As an alternative to or in addition to the first aspect, the above object is achieved according to an independent second aspect, since in the case of a support chain, in particular according to the preamble of claim 7, it is provided that the front upper part and the front lower part of the corresponding chain link are in opposite directions. They are separated from each other by a front space in a height direction in which the longitudinal direction is transverse, into which the rear lower part of the first adjacent chain link can be inserted or inserted, and it is provided that the rear upper part and the rear lower part of the corresponding chain link are in They are spaced apart from each other in the height direction by a rear space into which the front upper part of the second adjacent chain link can be inserted or inserted.

This achieves in particular a stable configuration of the chain link connection in the longitudinal direction, wherein in each relative bending position the expected tensile and compressive forces are transmitted at least mainly via the chain links themselves, so that in particular according to the first aspect Preferably the header connector is provided without stress or with only slight stress.

Also in the case of the second aspect, it is preferably provided that at least some of the chain links are connectable together and/or detachable from each other in a joining direction different from the longitudinal direction, in particular perpendicular to the longitudinal direction, wherein the joining The direction preferably extends generally in the transverse direction and/or the height direction. The direction in which the chain links engage one another particularly preferably does not have a significant component in the longitudinal direction, so that unintended disassembly during operation can be reliably avoided.

In the second aspect, connectors are preferably used, in particular according to the first aspect, ie the support chain preferably contains a plurality of connectors, which connectors are preferably implemented as separate components. The joint connector in particular has an elastically deformable region in the bending direction of the chain link. In this case, each of the plurality of joint connectors is particularly preferably detachably connectable to two adjacent chain links in each case.

In an advantageous further development of the second aspect, it is provided that the front upper part has an upper projection projecting in the height direction, and the rear upper part has an upper recess; and it is provided that the rear lower part has a lower projection projecting in the height direction, And the front lower part has a lower recessed part. In this case, in particular it is further provided that the upper projection of the corresponding chain link is configured to engage in the upper recess of the first adjacent chain link both in the extended position and in the bent position, and that the corresponding chain link The lower projection is configured to engage in the lower recess of the second adjacent link in both the extended position and the bent position. In this way, both tensile and compressive forces can be transmitted by the interaction of the protrusions and recesses in the extended and bent positions.

It is further preferred that the upper projection is configured to engage in the upper recess from the rear space of one adjacent link towards its top, and that the lower projection is configured to engage from the front of the other adjacent link. The space is engaged in the lower recessed portion toward its bottom, the inner height of the front space is preferably equal to or greater than the dimension in the height direction of the rear lower portion including the lower protrusion, and the interior height of the rear space is equal to or greater than the front portion including the upper protrusion. The height dimension of the upper part. In this way, by joining the links in the transverse direction Q or the longitudinal direction L and deflecting them relative to each other in the height direction H, the protrusions are inserted into or aligned with the corresponding recesses. Engagement. This is thus achieved without the chain links being deformed and without twisting or twisting, and thus also allows simple assembly of the support chain and simple replacement of individual parts when required, for example for preventive maintenance.

The chain link is preferably configured such that the upper recess forms an opening starting from the rear space towards the top and/or the lower recess forms an opening starting from the front space towards the bottom. In this way, in particular a maximum stop surface can be provided.

Furthermore, it can advantageously be provided that the upper projection, the lower projection, the upper recess and the lower recess of the respective chain link are provided in each case for bearing in the extended position in such a manner as to absorb compressive and/or tensile forces. a contact surface on a corresponding mating contact surface of an adjacent link and a contact surface intended to rest on a corresponding mating contact surface of an adjacent link in a bent position in a manner that absorbs compressive and/or tensile forces , wherein each of the stop surfaces preferably extends transversely to the longitudinal direction.

All contact surfaces preferably extend as a whole perpendicularly to the plane of displacement (ie parallel to the transverse direction), or so that transverse forces are avoided.

In the bent and extended relative positions, preferably at least in each case two pairs of stop surfaces interact in a force-transmitting manner, wherein the pairs are diametrically opposed to each other in longitudinal section relative to the center of the chain link.

It is advantageously provided that the contact surface of the upper protrusion or the contact surface of the lower protrusion is at a corresponding angle to each other, and the contact surface of the upper recess or the contact surface of the lower recess is provided at a corresponding angle to each other, wherein the upper protrusion and the upper recess are The angular size difference between the angles of the lower protruding portion and the lower recessed portion is preferably substantially equal or equal. The corresponding configuration of the angles ensures a simultaneous mating interaction of the plurality of limit stops and thus an overall enlargement of the force transmission area.

In a further development, it is advantageously provided that the upper projection to be implemented is flush with the top of the chain link in the upper depression into which it engages in the bent position, and/or that the lower projection to be implemented is in the extended position. Flush with the bottom of the link in the lower recess it engages. Overall, the intention is to achieve a non-protruding, flush outer surface in every operating position to avoid damage or wear to the envelope.

A further enlargement of the surface for force transmission is achieved if the corresponding chain link has in each case an end contact surface at the upper front and upper rear part and at the lower front and lower rear part configured as follows: Front The end contact surfaces of the upper and rear upper portions rest against the end contact surfaces of the upper and rear portions of adjacent links in the extended position, and the end contact surfaces of the lower front and rear portions rest against each other in the bent position. on the contact surface of the end of the adjacent link.

Preferably, both the front and rear spaces are open to or in an open manner into each of the lateral sides, so that these spaces are in each case accessible to For insertion into rear lower or front upper and/or header connectors. This facilitates and simplifies assembly and maintenance.

It is advantageous for force flow and/or mechanical conditions if the size of the corresponding joint connector in the transverse direction is equal to more than 30% of the distance between the outer sides of the corresponding chain links, in particular between 50% and 100% . The width of the header connector is preferably generally equal to this distance. Furthermore, it is advantageous for the force flow if the corresponding joint connector extends in an intermediate region with respect to the transverse direction between the outer sides of the chain links, or is arranged centrally in the middle, so that no transverse forces are generated.

In a particularly robust embodiment, it is provided that each joint connector is located at least partially in the front upper part and the front lower part of one of the two adjacent chain links with respect to the height direction and the other of the two adjacent chain links. It extends between the upper and lower parts of the back. In this way, the splice connectors simultaneously form an interlock to prevent the links from disengaging from their engagement. In this case, the joint connector preferably prevents a deflection of the two adjacent chain links relative to each other in each case via the associated joint connector, for example by preventing the movement gap required for this. . Additional advantageous features (two versions)

Some preferred further developments are explained below, which (like the above-mentioned features) should be considered advantageous for the two core aspects of the invention.

The joint connector is preferably embodied as a spring element which exerts an elastic restoring force on adjacent chain links when these chain links are bent, which leads to an at least partial restoring movement of the chain links opposite to the direction of bending. This results in a damping of vibrations during movement of the support chain and optionally the entire line rail.

The length of the elastically deformable region of each or respective connector in the longitudinal direction is in each case equal to a multiple of the thickness of the respective connector in the height direction.

For the detachable fastening of the individual terminal connectors, it is particularly advantageous if each terminal connector has two fastening areas spaced apart from each other in the longitudinal direction and by providing in each case a fastening area in the fastening area. One of is fastened to each of two adjacent links to prevent deflection in the longitudinal direction. The joint connector may be configured in such a way that, with respect to the longitudinal direction, at least two areas of the joint connector, between the fastening areas, have at least one different property selected from the group consisting of cross-section, material thickness and elastic modulus. group.

Preferably, each or corresponding chain link has two fastening sockets for form-locking and/or force-locking interaction with in each case one fastening area of the joint connector. Each fastening socket may preferably be configured between a front upper part and a front lower part or a rear upper part and a rear lower part respectively of the corresponding chain link, and/or the respective fastening socket may preferably be open on both sides accessible or in an open manner to at least one of the sides of the chain link.

The joint connector can preferably be inserted in the transverse direction from either side, in particular pressed into the fastening sockets of two adjacent chain links, which means that assembly is particularly simple.

The corresponding fastening socket is advantageously arranged in an intermediate region with respect to the height direction between the top and the bottom. The fastening sockets are preferably at substantially the same distance from the top and bottom.

In order to further avoid wear, it is advantageous for the respective chain links at the respective fastening sockets, in particular at the transition from the fastening sockets to the front space or the rear space, to have mutually facing surfaces spaced apart from each other in the height direction. clamping surface. These clamping surfaces are configured for force-locking retention of the fastening area of the associated header connector and counteracting movement of the fastening area relative to the corresponding fastening socket, such as to resist movement in a transverse direction and/or to resist Tighten the twist in the socket. In this case, the corresponding joint connector may preferably have a thickened portion at the fastening area for interaction with the clamping surface.

In particular in order to fix the position of the assembled connector or connector element in the transverse direction, it can be advantageously provided that the respective connector has a detent member in the fastening region, which detent member is designed to be associated with The chain links interact with complementary mating detent members.

Preferably, all or at least some of the joint connectors are embodied as substantially plate-shaped components or as components that are curved in the plane in which the longitudinal direction and the height direction lie.

The joint connector is preferably made of a plastic material that is elastic relative to the chain links and exhibits long-term resistance to bending. The joint connector and the chain link are preferably made of different materials.

In order to prevent transverse forces during operation, each link and/or each joint connector consists of a body that is mirror symmetrical about its longitudinal center plane.

Each link may preferably consist of a block, preferably of a one-piece block, i.e. without any entirely internal cavities, in particular in the longitudinal direction, except for weight-saving tapers and openings on the body of any channel opening.

The two basic or sole components of the supporting chain, namely the chain link and the joint connector, can in each case advantageously be produced as separate plastic material components, in particular by injection moulding.

The chain links and splice connectors may in particular be produced as mutually isolated, individual components which may be detachably connected together. In order to connect in series the strands forming the support chain, each joint connector is preferably at least detachably connectable to at least one of the two links of an adjacent pair. However, detachable connections within the chain links are also conceivable, in particular as a variant according to the first aspect. Preferably, however, the support chain is configured with a plurality of individual joint elements or joint connectors, which joint elements or joint connectors are embodied as separate components and in each case have means for detachable connection with the chain links. Two open end regions and at least one deformable region therebetween.

The support chain proposed according to both the first and second aspects is particularly suitable for use in line guides for clean room applications.

Figure 1 shows an exemplary line guide 1 which guides a supply line 3 between a fixed connection point 2 on the base and a movable connection point 4 on the moving end (Figure 2). The moving end is not shown in more detail and may generally be displaceable back and forth in a linear manner in the longitudinal direction L. The supply lines 3 are cables, hoses etc. and supply the moving parts of the machine with eg power, signals and/or operating media. Figure 1 shows a snapshot of a line guide assembly 1 with a self-supporting, extended upper section 5, a lower section 6 optionally located on a support surface, and a deflection arc 7. The deflection arc 7 has a predetermined bending radius or deflection radius around the imaginary deflection axis U. In operation, the deflection arc 7 travels reciprocally relative to the fixed connection point 2 as the upper section 5 with the movable connection point 4 moves forward or backward in the longitudinal direction L.

The line guide 1 is suitable and particularly intended for use in clean rooms or other areas of application where the release of particles must be reduced or prevented. To this end, it has one or more flexible envelopes 8 of flexible plastic material extending in the longitudinal direction L, which envelopes are enclosed in a dust-tight manner along their entire length between the connection points 2 and 4 Supply line 3. The ends of each envelope 8 and line 3 are fastened at the ends to the connection points 2, 4, for example using end fastening means 11 or end connectors.

According to FIG. 2 , each envelope 8 has a plurality of tubular receiving ducts 9 for conducting in each case at least one or more supply lines 3 . Each envelope 8 is generally hose-like and sufficiently flexible, in particular through suitable design and/or material selection, to allow reversible flexible curvature of the deflection arc 7 with the application of small forces. and follows the movement in the longitudinal direction L with as little resistance as possible.

The line guide 1 also includes a plurality of support chains 10 extending along the entire length of the line guide 1 from the connection point 2 to the connection point 4 . In a purely exemplary configuration according to FIG. 2 , the multilayer structure is shown as a plurality of stacked layers with an envelope 8 having lines 3 . In this regard, an inner support layer is provided facing the deflection arc 7 , in which support chains 10 are provided in all receiving ducts 9 of the envelope 8 , ie this inner support layer does not lead any lines 3 . For stabilization against transverse forces (see Figure 2), additional support chains 10 can also be arranged in further layers in the envelope 8, for example on the outside. The envelope 8 may comprise a plurality of individual envelope units, which are detachably connected together in the transverse direction, for example by means of fastening profiles or fastening strips 13 extending in the longitudinal direction L, as shown for example in FIG. 2 . A corresponding envelope unit may, for example, have only one receiving channel 9 in which the support chain 10 is accommodated and which may be connected to further envelope units by means of fastening profiles or fastening straps 13 . This allows individual support chains 10 to be replaced if required. Regarding the configuration of the envelope 8 , reference is made here to the teaching of WO 2020/148300 A1. For example, WO 2020/148300 A1 describes with reference to Figures 9D, 10C, 10D, 13A to 13C and 18A and 18B having only one socket and having a tight connector for connecting the envelope unit. Envelope unit with solid profiles or fastening strips.

The core function of the support chain 10 is to predetermine the radius of curvature of the deflection arc 7 or limit its minimum radius around the deflection axis U. Another core function of each support chain 10 is to support the self-supporting length of the upper section 5 or indeed to achieve a sufficient self-supporting length, especially in the fully advanced position of the moving end (not shown in Figure 1). In this case, each support chain 10 supports the envelope 8 , in particular against gravity-induced sagging in the height direction H, or has a load-bearing effect. A sufficient number of support chains 10 are provided for the load weight and length of the line guide device 1 .

Exemplary embodiments of the support chain 10 according to the invention are described in more detail below with reference to Figures 3 to 7 .

Figure 3 shows the support chain 10 according to the invention in the desired position (i.e. folded around the deflection axis U), wherein the support chain 10 is formed: two sections (upper section 5 and lower section 6), these sections in the longitudinal direction L Extension; and deflection arc 7. The deflection arc 7 is substantially U-shaped in the plane of Figure 3, in which the longitudinal direction L and the height direction H lie. The configuration of the support chain 10 determines the shape of the deflection arc 7 and the entire line guide 1 . The deflection axis U extends perpendicularly to the plane of FIG. 3 , ie in a transverse direction Q perpendicular to the longitudinal direction L and perpendicular to the height direction H. The support chain 10 is configured to support the self-supporting upper section 5 , ie in the height direction H the sections 5 , 6 remain spaced apart from each other throughout the displacement path.

The support chain 10 is implemented as a type of articulated chain and consists of exactly one strand 12 containing a plurality of individual chain links 20 , the pipe links being detachably connected by an articulated joint in each case. together. Due to the articulated joint, adjacent links 20, 20' of each pair can be bent in the bending direction relative to each other up to a limited angle, for example approximately 5° to 20°. The links 20, 20' are rotatable relative to each other between an extended position (eg within segments 5, 6) and a bent position (eg within deflection arc 7), which allows the support chain 10 to fold back on itself while maintaining the deflection arc 7 The minimum allowed or possible radius of .

The corresponding articulated joint contains a joint connector 30 which in each case connects two chain links 20, 20', which are adjacent or successive in the longitudinal direction L so as to be detachably connected together, The header connector will be explained in more detail below with reference to Figures 7A to 7C. In the example shown, exactly one separate, separate splice connector 30 is provided for each pair of adjacent chain links 20, 20', and the splice connectors are detachably connected, one of their ends is connected to one chain link 20 and the other end is connected to the other chain link 20'. Each chain link 20 within the strand 12 is, for its part, connected in each case to one terminal connector 30 on both sides in its longitudinal direction or at both end regions.

The chain links 20 and joint connectors 30 thus alternate in the longitudinal direction within the strand 12 . The corresponding connector 30 contains a deformable intermediate region 32 which is elastically deformable during displacement of the line guide 1 or the support chain 10 via the action of expected bending forces acting on the connector 30 . In this regard, the deformable region 32 is also elastically deformable in or against the bending direction of the associated adjacent chain link 20 , 20 ′.

As shown in Figures 3 to 5, adjacent chain links 20, 20' are interdigitated and configured to fit within each other in such a way that the links 20, 20' themselves contribute to the correspondence via their shape. of hinged joints or affecting mutual rotational degrees of freedom. The chain links 20 here interact together and with the joint connector 30 in such a way that the segments 5 , 6 remain extended in the longitudinal direction L and do not sag downwards, and the deflection arc 7 is achieved and does not fall below its desired radius. In the example shown, all links 20 of the support chain 10 have the same configuration, and all joint connectors 30 have the same configuration, so that the support chain 10 can be made from only two basic components.

Figures 4 to 5 show a preferred first embodiment of an individual link 20 that combines the two core aspects of the invention. FIG. 6 shows a portion of the length of the support chain 10 in longitudinal section, showing in each case the extended and bent positions of the two chain links 20 . What is not shown in FIG. 6 is an equally possible or advantageous pretensioning of the support chain 10 in its extended position. The configuration of the chain link 20 is explained below with reference to Figure 3 and Figures 4 to 6 .

The chain link 20 is preferably made in one piece or in one piece, in particular made in one piece from plastic by injection moulding. However, it can also be assembled from multiple parts. The chain link 20 is implemented in the form of a block, with a top 204A, a bottom 204B, two outer sides 23 and a front end face 231 and a rear end face 232 . The dimension of the chain link 20 in the transverse direction Q, that is, the width of the chain link 20, and the dimension in the height direction H, that is, the height or thickness of the chain link 20, are of approximately the same order of magnitude. The width of the chain link 20 may also be greater than its height in order to further reduce twisting about the longitudinal direction L. In the example shown, the dimension in the longitudinal direction L, ie the length of the chain link, is at least twice as large as the width and/or twice as large as the height. The length selected depends on the desired chain pitch. The top 204A is the outer side of the link 20 which, in the expected position of the link 20 within the support chain 10 , is arranged on the side of the link 20 that is external with respect to the deflection arc 7 , that is, away from the deflection axis U or on the opposite side of the segment (see Figure 3). The base 204A is the outer side of the chain link 20 which, in the intended position of the chain link 20 within the support chain 10 , is arranged on the side of the chain link 20 that is inboard with respect to the deflection arc 7 , that is, facing the deflection axis U or on the opposite side of the segment (see Figure 3). The outer sides 23 of the chain links 20 are the outer surfaces of the chain links 20 which delimit the respective chain links 20 in the transverse direction Q, ie are spaced apart from and away from each other in the transverse direction Q. The front end face 231 faces the adjacent link 20' located in front of the link 20 in the support chain 10, and the rear end face 232 faces the adjacent link 20" located behind the link 20 in the support chain 10. With respect to surface area, top 204A (Fig. 4C), bottom 204B (Fig. 4B) and outer side 23 (Fig. 4A) are of approximately equal order of magnitude and are at least twice as large as the cross-sectional area perpendicular to the longitudinal direction L of the link 20.

The corresponding chain link 20 can be hypothetically subdivided with respect to the longitudinal direction L into a front longitudinal portion 21 (on the right in Figure 4 ) and a rear longitudinal portion 22 (on the left in Figure 4 ) (the terms "front" and " "after" is used here only for differentiation purposes and is in principle interchangeable). The front longitudinal portion 21 includes a front upper portion 201A at the top 204A and a front lower portion 201B at the bottom 204B, which portions are spaced apart from each other in the height direction H by a front space 241 . The rear longitudinal portion 22 in turn includes an upper rear portion 202A at the top 204A and a lower rear portion 202B at the bottom 204B, which portions are spaced apart from each other in the height direction H by a rear space 242 . Both the front space 241 and the rear space 242 are laterally continuous and open on each of the two outer sides 23 . Spaces 241 and 242 are therefore accessible in front of the respective outer sides 23 for insertion of the rear lower part 202B or the front upper part 201A respectively and the header connector 30 (see below).

For the purpose of explanation, consider only three arbitrary links 20', 20 and 20" that follow each other within the support chain 10, which links have been pushed together and connected by the joint connector 30, where The intermediate link 20 is disposed between the first adjacent (ie, front) link 20' and the second adjacent (ie, rear) link 20" (see Figure 6). The front upper portion 201A of the middle link 20 is inserted into the rear space 242 of the front link 20'. The rear upper portion 202A of the middle link 20 is inserted into the front space 241 of the rear link 20".

Adjacent chain links 20, 20', 20" are interdigitated together in the longitudinal direction in such a way as to transmit tensile or compressive forces or both tensile and thrust forces, such that they are at least some, or preferably all, relative to each other. The curved relative positions are inseparable from each other in the longitudinal direction L. To this end, the front upper part 201A has an upper protrusion 206A pointing upward in the height direction H, and the rear upper part 202A has an upper recess 208A complementary to the upper protrusion 206A. The upper protrusion 206A engages in the upper recess 208A in the front link 20', specifically from the rear space 242 of the front link 20' toward its top 204A. The rear lower portion 202B has a lower portion pointing downward in the height direction H. Protrusion 206B, and the front lower portion 201A has a lower recess 208B complementary to the lower protrusion 206B. The lower protrusion 206B engages in the lower recess 208B in the rear link 20", specifically from the rear link 20". The front space 241 is towards its base 204B. The protrusions 206A, 206B are configured such that they are in each case in the extended position and the bent position of the adjacent chain link 20, 20' or adjacent chain link 20, 20" All mesh with the corresponding recessed portions 208A, 208B. This allows tensile and compressive forces in the longitudinal direction L to be transmitted by the interaction of the protrusions 206A, 206B and the recesses 208A, 208B when the support chain 10 is displaced, so that the joint connector 30 does not need to undergo it or only needs to be insignificant. The ground is subjected to tensile or compressive stress.

The recesses 208A, 208B are in each case implemented continuously in the height direction H, ie as openings in the height direction H through the rear upper part 202A or the front lower part 201B. However, the upper protrusion 206A does not protrude beyond the top 204A, i.e., it does not protrude beyond the upper outer edge of the upper recess 208A (i.e., protrude beyond the top) in the extended or bent position of the adjacent link 20, 20'. Recess 208A) at 204A. Likewise, lower protrusion 206B does not protrude beyond bottom 204B, i.e., it does not protrude beyond the lower outer edge of lower recess 208A (i.e., protrude beyond the bottom) in the extended or bent position of adjacent links 20, 20'. Recessed portion 208B at 204B). In the maximum possible fully bent position, the upper projection 206A is flush with the top 204 of the front link 20', which engages in the upper recess 208A of the front link. In the straight or extended position, the lower projection 206B is flush with the bottom 204B of the rear link 20", and it engages in the lower recess 208B of the rear link.

As is most easily seen in Figure 6, the corresponding chain link in each case has contact surfaces at its projections and recesses, which contact surfaces rest against the adjacent chain link 20' in the extended or bent position. , 20" on the corresponding mating contact surface, and thereby transmits a compressive force or a tensile force in the longitudinal direction L. In the extended position, the contact surface 216A of the upper protrusion 206A rests against the mating contact surface of the upper recess 208A 218A. Thus, the contact surface 216B of the lower protrusion 206A rests against the mating contact surface 218B of the lower recess 208B. In the full or maximum possible flexed position, the contact surface 226A of the upper protrusion 206A rests against the mating contact surface 218B of the upper recess 208A. on the mating contact surface 228A. Thus, the contact surface 226B of the lower protrusion 206A here rests on the mating contact surface 228B of the lower recess 208B. The contact surfaces 216A, 216B, 218A, 218B, 226A, 226B, 228A, 228B are in longitudinal section When viewed in each case parallel to the transverse direction Q but inclined with respect to the longitudinal direction L.

The two contact surfaces 216A, 226A of the upper protrusion 206A are inclined at an angle αA relative to each other, and the contact surfaces 216B, 226B of the lower protrusion 206B are inclined at a corresponding angle αB relative to each other. The contact surfaces 218A, 228A of the upper recess 208A are inclined at an angle βA relative to each other, and the contact surfaces 218B, 228B of the lower recess 208B are inclined at an angle βB relative to each other. The angular size difference between the angle αA of the protruding portion 206A and the angle βA of the upper recessed portion 208A is equal to the angular size difference between the angle αB of the lower protruding portion 206B and the angle βB of the lower recessed portion 208B. In this way, both in the extended position and in the fully bent position, in each case the two contact surfaces of the corresponding chain link 20 , and in particular the lower and upper contact surfaces, rest against the adjacent chain link 20 ′ The corresponding mating contact surface allows the tensile force or compressive force to be transmitted more effectively and the protrusion is subjected to less stress, especially shear stress.

Furthermore, each link 20 has an end contact surface at its end faces 231, 232. In the extended position, the end contact surface 231A of the front upper portion 201A rests against the end contact surface 232A of the rear upper portion 202A of the front link 20'. In the fully bent position, the end contact surface 231B of the front lower portion 201B rests against the end contact surface 232B of the rear upper portion 202B of the front link 20'. This allows efficient transfer of thrust forces in either the extended or bent position.

The internal height of the front space 241 is slightly larger than the corresponding dimension of the rear lower part 202B, ie the maximum dimension in the height direction H in the area of the lower protrusion 206B. The rear lower part 202B of the front adjacent chain link 20' can therefore be inserted into the front space 241 of the chain link 20 in both the transverse direction Q and the longitudinal direction L in the specifically shown example. The lower protrusion 206B of the front link 20' can then be inserted downwardly in the height direction H from the front space 241 into the lower recess 208B of the middle link 20. The internal height of the rear space 242 is in turn slightly larger than the maximum dimension of the front upper part 201A, ie in the height direction H in the area of the upper projection 206A. The front lower part 201A of the rear adjacent chain link 20" can therefore be inserted into the rear space 242 of the intermediate chain link 20 in the specifically shown example both in the transverse direction Q and in the longitudinal direction L. The upper protrusion of the rear chain link 20" 206A can then be inserted upwardly in the height direction H from the rear space 242 into the upper recess 208A of the intermediate link 20. Thus, the links 20, 20', 20" (before they are fixed by the joint connector 30) There are two possible directions of engagement for pushing the chain links together without torsion or for pulling them apart: in the transverse direction Q and in the longitudinal direction L, with subsequent movement in the height direction H. A type of interlocking is achieved by inserting protrusions 206A, 206B in the height direction (i.e. perpendicular to each engagement direction) so that they engage subsequent links 20, 20', 20". This can also be Prevents support chain 12 from falling apart during operation, particularly when interacting with obliquely positioned contact surfaces 216A, 226A or 216B, 226B and 218A, 228A or 218B, 228B that cause the contact surfaces of protrusions 206A, 206B to Engagement is formed under tensile stress. Therefore, the end contact surfaces 231A, 231B, 232A, 232B also have the following effect: under thrust load, the chain links 20, 20', 20" are more strongly moved by a wedge effect Move into engaged position.

When the joint connector 30 has been inserted between the two chain links 20, 20' in each case, it is between the upper front part 241A and the lower front part 241B of one link 20 and the upper rear part 242A and the rear part of the front link 20'. The lower portion 242B extends between, and here occupies a part of the front space 241 of the link 20 and a part of the rear space 242 of the front link 20', so that the internal height of the corresponding space becomes smaller than, specifically smaller than the front upper portion 201A. Or the maximum size of the rear lower portion 202B. Owing to this alone, the chain links 20 are securely and irreleasably fixed by a type of interlocking against accidental separation from each other, since without twisting or even braking the chain links 20, 20', 20" The protrusions 206A, 206B cannot be removed from the recesses 208A, 208B in adjacent links.

The chain link 20 consists of a body that is mirror-symmetrical with respect to its longitudinal center plane, so that under tensile and thrust loads force transmission occurs between the interacting surfaces without a component in the transverse direction Q.

Figures 3 to 6 further show that each chain link 20 has a cutout 25 for weight reduction purposes, which in the example shown is embodied as a substantially cylindrical channel opening in the transverse direction Q, opening on the two outer sides. The side surfaces 23 are open and intermediate with respect to the longitudinal direction L between the fastening sockets 36 . The cutout 25 may also have a different shape in side view (as in Figure 4A), such as an elliptical cross-section. The transition between the cutout 25 and the side 23 is preferably circular.

Figures 7A-7C show an exemplary embodiment of a header connector 30, here implemented as a generally flat or plate-like component of plastic material. The main extent and main plane of the joint connector 30 extend in the longitudinal direction L and the transverse direction Q. It can also be embodied as a component that is curved or partially curved in the height direction H. The joint connector 30 has a deformable area 32 in an intermediate area relative to the longitudinal direction L. The header connector 30 has a fastening area 34 at each longitudinal end thereof. Each fastening area 34 is intended for fastening to one of two adjacent chain links 20, 20'. The fastening area 34 may have a uniform shape and size in the transverse direction Q. The chain link 20 then has two fastening sockets 36 spaced apart from each other in the longitudinal direction L and facing away from each other, in each case for receiving a fastening area 34 . Each chain link 20 can be connected to two joint connectors 30 and thus to the front chain link 20' and the rear chain link 20". One or front fastening socket 36 is arranged on the chain link 20 with respect to the height direction H. The gap between the front upper part 201A and the front lower part 201B constitutes the front space 241. The other or rear fastening socket 36 is arranged between the rear upper part 202A and the rear lower part 202B of the link 20 with respect to the height direction H and constitutes the rear space. 242. The respective fastening sockets 36 are preferably equidistant from the top 204A and bottom 204B of the link 20. The respective fastening sockets 36 are otherwise open into each of the outer sides 23 of the link 20. Each Each fastening socket 36 has a uniform shape and size in the transverse direction Q, and is consistent with the shape of the fastening area 34, so that the fastening area 34 can preferably only be inserted into the fastening socket 36 in the transverse direction Q and At least in a form-locking manner, the fastening socket 36 is secured against deflection in the longitudinal direction L. The joint connector 30 can thus be inserted in the transverse direction Q between the chain links 20 , 20 ′. is connected to two successive chain links 20 , 20 ′ in each case and is again removed in the transverse direction Q. The dimensions of the joint connector 30 in the transverse direction Q, ie its width, are equal to those of the chain links 20 The distance between the outer sides 23 is such that in the intended connection state the end of the joint connector 30 in the transverse direction Q is flush with the corresponding outer side 23 of the chain link on both sides.

The joint connector 30 connecting two consecutive chain links 20 , 20 ′ prevents the chain links 20 , 20 ′ from being offset relative to each other in the height direction H and thus also prevents the protrusions 206A, 206B of the chain links 20 from adjoining each other. The recesses 208A, 208B in the links 20', 20" disengage. However, tensile and compressive forces are absorbed and transmitted at least primarily through the interaction of the contact surfaces of the links 20, 20', 20" (specifically , preferably at least two contact surfaces per link at the same time, as mentioned above, so that the force is distributed over a larger area), so that the articulated connection of the chain links 20 in series can absorb particularly high tensile forces/compressions force. The above configuration is also achieved because the chain links 20, 20', 20" cannot be connected together or separated from each other in the longitudinal direction L, but only generally perpendicularly to the longitudinal direction L. During operation, the joint connector 30 is at least Subject mainly to bending stresses and only slight tension or compression or no tension or compression at all (tensile/compressive stress relief via interdigitated links 20). Therefore, the joint connector 30 may be made of a particularly suitable This differs from the more rigid, high tensile strength chain links 20 due to the production of different materials with frequent bending cycles.

In the example shown, the respective fastening region 34 is embodied as a cylindrical thickening relative to the central deformable region 32 and is circular in longitudinal section. Other shapes are equally possible, such as goblet-shaped or triangular, to prevent the fastening area 34 from rotating, which would cause wear. In the example shown, rotation of the fastening area 34 is also avoided since the chain link 20 has at the fastening socket 36 two mutually facing clamping surfaces 37 spaced apart from each other in the height direction H, which The clamping surface extends in the longitudinal direction L and the transverse direction Q and interacts with the slightly thickened portion 38 at the fastening area 34 of the header connector 30 and holds the slightly thickened portion in a force-locked manner against torsion, Furthermore, deflection in the transverse direction Q is also prevented. The thickened portion 38 is thus accommodated in the intended operating condition of the support chain 10 by being pressed in or by an interference fit between the clamping surfaces 37 . In this way, not only a twisting of the fastening area 34 in the fastening socket 36 is prevented, but also at the same time an unintended detachment of the connector 30 from the support chain 10 in the transverse direction Q is prevented. In order to remove the header connector, a force must be applied in the transverse direction Q, which does not occur under normal operating conditions.

Furthermore, the respective fastening areas 34 and the fastening sockets 36 have corresponding detent members 39 , 39 ′ which snap together to prevent deflection in the transverse direction Q and are here for example in the form of a header connector Notches or grooves 39 in the circumference of the fastening area 34 of the chain link 20 (see Figures 7B, 7C) and corresponding raised portions 39' in the fastening socket 36 of the chain link 20 (see Figures 4D, 7C) Figure 4E).

The joint connector 30 is implemented in the form of a hinge-like spring element which acts like a leaf spring when the two chain links 20 are bent, ie has elastic properties. In the event of expected deformation, that is to say in the event of rotation of the adjacent links 20, 20' connected together with the joint element 30 relative to each other, the joint connector 30 exerts an elastic restoring force in the direction opposite to the rotation. On these chain links 20, 20'. This results in a uniform, low-vibration displacement of the support chain 10 , which in particular reduces wear on the protrusions 206A, 206B of the links and generally counteracts the occurrence of wear.

At least the elastically deformable region 32 or the entire joint connector 30 is made of a material different from that of the chain link 20 , for example of another plastic material with a different elastic modulus. In addition, the shape of the deformable region 32 also determines its elastic properties. The length of the deformable region 32 in the longitudinal direction L, and optionally also its width Q in the transverse direction, is in each case equal to a multiple of its material thickness or dimension in the height direction H. Bending forces during rotation of the chain link 20 act on the deformable region 32 of the joint connector 30 , in particular in the height direction H transverse to the longitudinal direction L. In other embodiments, the deformable region 32 may be curved in its longitudinal section to affect its flexibility, or may be formed, for example, from two layers or stacks spaced apart from each other by a space in the height direction H, The layers or stacks intersect in fastening area 34. Other shapes are also possible for the longitudinal section and optionally also for the cross section, in order to influence the area moment of inertia of the deformable region 32 .

Alternatively, however, the joint connector can also be implemented so that substantially no restoring forces are exerted, for which purpose hinge regions, for example in the form of film hinges, can be provided.

By using flexible joint connectors 30 in support chains 10 according to the invention, it is in particular possible to avoid the typical joint/pin hinge joints of typical support chains and therefore also the wear that inevitably goes with them.

1: Line guidance device 2, 4: connection point 3: Supply line 5, 6: Section 7: Deflection arc 8:Envelope 9: Storage pipe 10: Support chain 11: End fastening device 12: Strand 13: Fastening profiles or fastening strips 20, 20', 20": chain link 21: The front longitudinal part of the chain link 22: Rear longitudinal part of the chain link 23:Outer side 25: Incisions for weight loss 30: Header connector 32: Deformable area of joint connector 34: Fastening area of header connector 36: Fastening socket for chain link 37: Clamping surface of chain link 38: Thickened portion on the fastening area of the header connector 39:Latch member of joint connector 39': Matching detent component of chain link 201A: The front upper part of the chain link 201B: Front lower part of chain link 202A: The upper rear part of the chain link 202B:Rear lower part of chain link 204A: Top of chain link 204B: Bottom of chain link 206A: Upper protrusion 206B: Lower protrusion 208A: Upper depression 208B: Lower depression 216A, 226A: Stop surface of the upper protrusion 216B, 226B: Stop surface of the lower protrusion αA: Angle between the stop surfaces of the upper protrusion αB: Angle between the stop surfaces of the lower protrusion 218A, 228A: Stop surface of the upper recess 218B, 228B: Stopping surface of the lower recessed part βA: Angle between the stop surfaces of the upper recess βB: Angle between the stop surfaces of the lower recess 231, 232: Front or rear end face of chain link 231A: End contact surface of front upper part 232A: End contact surface of rear upper part 231B: End contact surface of front lower part 232B: End contact surface of rear lower part 241: Front space of chain link 242: Rear space of chain link A: The distance between the outer sides of the chain links H: height direction L:Longitudinal direction Q: Horizontal direction U: Deflection axis

Without limiting the general nature of the foregoing, further details and advantages of individual aspects of the invention may be deduced from the following explanation of preferred exemplary embodiments based on the accompanying figures. Features with corresponding or identical structures or functions have corresponding reference symbols and may not be described repeatedly. In the picture:

Figure 1 is a perspective view of a line guide for clean room applications, here with two envelopes, in a purely exemplary operating position, with an extended self-supporting upper section, an extended resting lower section and the deflection arc therebetween;

Figure 2 is a cross-section (perpendicular to the longitudinal direction) through an exemplary multi-layer structure having a plurality of stacked envelopes for a plurality of circuits, wherein the support chains are received within the receiving ducts of the plurality of envelopes;

Figure 3 is a side view of a support chain according to an exemplary embodiment of the present invention;

Figures 4A to 4F: Showing the support according to Figure 3 in side view (A), bottom view (B), plan view (C), front view (D), rear view (E) and longitudinal section (F) Structural diagram of individual links of the chain;

Figures 5A to 5B: showing perspective views of chain links according to Figure 4;

Figure 6: Longitudinal section showing a portion of the length of the support chain from Figure 3 to The chain link composition in Figure 5, and

Figures 7A to 7C: Structures of individual joint elements according to exemplary embodiments for the support chain of Figures 3 to 5 shown in side view (A), plan view (B) and perspective view (C) Figure.

Domestic storage information (please note in order of storage institution, date and number) without Overseas storage information (please note in order of storage country, institution, date, and number) without

10: Support chain

20,20',20": chain link

21: The front longitudinal part of the chain link

22: Rear longitudinal part of the chain link

30: Header connector

204A: Top of chain link

204B: Bottom of chain link

206A: Upper protrusion

206B: Lower protrusion

208A: Upper depression

208B: Lower depression

216A, 226A: Stop surface of the upper protrusion

216B, 226B: Stop surface of the lower protrusion

218A, 228A: Stop surface of the upper recess

218B, 228B: Stopping surface of the lower recessed part

H: height direction

L:Longitudinal direction

Claims (30)

A line guide (1), in particular for clean room applications, for the protective dynamic guidance of supply lines (3) such as cables, hoses, etc., between two connection points (2, 4) , at least one of the connection points is movable relative to the other, and the line guide device (1) can be displaced back and forth in a longitudinal direction (L) to form two segments (5, 6) and a deflection Arc (7), the deflection arc connects the segments and is located in a plane in which the longitudinal direction (L) and a height direction (H) are located. The line guide device (1) includes: - a flexible envelope (8) with a plurality of receiving ducts (9) arranged adjacent to each other and extending in the longitudinal direction (L), in each case for at least one supply line (3), and - at least one support chain (10), configurable or arranged in a receiving duct (9) to support the line guide (1), the support chain (10) configured to form the segments (5, 6) and the deflection arc (7), where The support chain (10) consists at least in a longitudinal portion of a strand (12) with alternating successive chain links (20) and joint connectors (30) in the longitudinal direction (L), wherein The joint connectors (30) in each case comprise a deformable region (32) which is elastically deformable, in particular in a bending direction, wherein the joint connectors (30) in each case Two adjacent chain links (20, 20') are held together, in particular between an extended position and a bending position in the bending direction or with the bending position. are rotatable relative to each other in opposite directions, and At least some of the links (20) and/or connectors (30) of the strand (12) are in a direction different from the longitudinal direction (L), in particular perpendicular to the longitudinal direction (L). They can be connected together and/or detachable from each other in the joining direction. A support chain (10) for supporting a line guide (1) with a flexible envelope (8), in particular as claimed in claim 1, the support chain (10) being in a longitudinal direction (L) extending upward and configured to form two segments (5, 6) and a deflection arc (7) connecting the segments (5, 6) and located in the longitudinal direction (L) and a height direction (H ) in a plane in which the support chain (10) consists at least in a longitudinal part of a strand (12) with alternating successive links (20) in the longitudinal direction (L) and Joint connectors (30), wherein the joint connectors (30) in each case comprise a deformable region (32) which is elastically deformable, in particular in a bending direction, wherein the joint connectors (30) The device (30) in each case holds together two adjacent chain links (20, 20'), in particular between an extended position and a bent position. rotatable relative to each other in or opposite to the bending direction, and At least some of the links (20) and/or connectors (30) of the strand (12) are in a direction different from the longitudinal direction (L), in particular perpendicular to the longitudinal direction (L). They can be connected together and/or detachable from each other in the joining direction. The device according to claim 1 or 2, wherein the corresponding chain links (20) have spaces spaced apart from each other in a transverse direction (Q) perpendicular to the longitudinal direction (L), facing away from each other in the transverse direction (Q). mutually and delimiting the two outer sides (23) of the chain link (20), which chain link (20) is preferably embodied as having a continuous cross-section at least between the outer sides (23) or as A solid body. Device as claimed in one of claims 1 to 3, in particular claim 3, wherein the joining direction extends substantially in the transverse direction (Q). The device of claim 3 or 4, wherein the strand (12) is configured as a series of chain links (20) and individual connectors (30), the chain links and individual connectors (30) The joint connectors are alternately connected together and implemented as separate components, wherein each of the plurality of joint connectors (30) is preferably connected to in each case two adjacent chain links (20, 20') detachably connected. A device (1, 10) as claimed in one of claims 1 to 5, wherein a respective link (20) of the plurality of links (20) has a forward direction relative to the longitudinal direction (L). a longitudinal portion (21) and a rear longitudinal portion (22), wherein the front longitudinal portion (21) of the corresponding link (20) is configured for interaction with a rear longitudinal portion (22) of an adjacent link (20) 22) Form-locking interaction is performed to transmit tensile and/or compressive forces in the longitudinal direction (L), wherein the front longitudinal portion (21) is at a top (204A) externally relative to the deflection arc (7) ) has a front upper portion (201A) and a front lower portion (201B) at a bottom (204B) internally relative to the deflection arc (7), and the rear longitudinal portion (22) has a front lower portion (201B) at the top (204A) ) and a rear lower part (202B) at the bottom (204B), wherein the front upper part (201A) and the front lower part (201B) of the corresponding link (20) are at the height are spaced apart from each other in the direction (H) by a front space (241) into which the rear lower portion (202B) of a first adjacent link (20') can be inserted or inserted, and wherein the The rear upper part (202A) and the rear lower part (202B) of the corresponding chain link (20) are spaced apart from each other in the height direction (H) by a rear space (242), a second adjacent chain link (20" ) can be inserted into or into the rear space. A support chain (10) for supporting a line guide (1) with a flexible envelope (8), in particular as claimed in claim 1, the support chain (10) having a plurality of individual links ( 20), the links can be connected or connected together in a hinged manner to form segments (5, 6) extending in a longitudinal direction (L) and a U-shaped deflection arc (7), the U-shaped deflection arc connecting the segments and lying in a plane in which the longitudinal direction (L) and a height direction (H) lie, in each case between two adjacent chain links (20) between an extended position and a bent position Rotatable relative to each other, a respective link (20) of the plurality of chain links (20) has a front longitudinal portion (21) and a rear longitudinal portion (22) relative to the longitudinal direction (L), the The front longitudinal portion (21) of the corresponding chain link (20) is configured for form-locking interaction with a rear longitudinal portion (22) of an adjacent chain link (20) in the longitudinal direction (L) Transmitting tensile and/or compressive forces, the front longitudinal portion (21) has a front upper portion (201A) at a top (204A) of the link (20) externally with respect to the deflection arc (7) and The link (20) has a front lower portion (201B) at a bottom (204B) internally with respect to the deflection arc (7), and the rear longitudinal portion (22) has a bottom portion (204A) at the top (204A). a rear upper part (202A) and a rear lower part (202B) located at the bottom (204B) of the link (20), the corresponding link (20) having a transverse direction perpendicular to the longitudinal direction (L) (Q) two outer sides (23) facing away from each other and spaced apart from each other, which sides delimit the chain link (20) in the transverse direction (Q), in - The front upper part (201A) and the front lower part (201B) of the corresponding link (20) are connected by a front space (241) in a height direction (H) transverse to the longitudinal direction (L) Spaced apart from each other, the rear lower portion (202B) of a first adjacent link (20') can be inserted or inserted into the front space, and is - The rear upper part (202A) and the rear lower part (202B) of the corresponding link (20) are spaced apart from each other in the height direction (H) by a rear space (242), a second adjacent link ( The front upper portion (201A) of the 20") can be inserted into or into the rear space. Support chain as claimed in claim 7, wherein at least some of the links (20) are connectable in a joining direction different from the longitudinal direction (L), in particular perpendicular to the longitudinal direction (L). together and/or detachable from each other, wherein the joining direction preferably extends generally in the transverse direction (Q). The support chain (10) as claimed in claim 7 or 8, wherein the support chain (10) includes a plurality of joint connectors (30), which are preferably implemented as separate components, wherein in the In the bending direction of the chain link (20), the joint connectors (30) specifically have an elastically deformable region (32), wherein each of the plurality of joint connectors (30) specifically has an elastically deformable region (32). It is preferably detachably connected to two adjacent chain links (20) in each case. Device (1, 10) as claimed in one of claims 6 to 9, wherein - The front upper part (201A) has an upper protruding part (206A) protruding in the height direction (H), and the rear upper part (202A) has an upper recessed part (208A); and - The rear lower part (202B) has a lower protruding part (206B) protruding in the height direction (H), and the front lower part (201B) has a lower recessed part (208B); wherein the upper protrusion (206A) of the corresponding link (20) is configured to engage the upper recess (206A) of the first adjacent link (20') in both the extended position and the bent position. 208A), and the lower projection (206B) of the corresponding link (20) is configured to engage the second adjacent link (20") in both the extended position and the bent position. in the lower recess (208B), preferably wherein the upper protrusion (206A) is configured to engage from the rear space (242) of the one adjacent link (20') toward its top (204A) The upper recess (208A) and the lower protrusion (206B) are configured to engage in the lower protrusion (206B) from the front space (241) of the other adjacent link (20") toward its bottom (204B). In the recessed portion (208B), the internal height of the front space (241) is particularly preferably equal to or greater than the size of the rear lower portion (202B) including the lower protruding portion (206B) in the height direction (H) and The internal height of the rear space (242) is equal to or greater than the size of the front upper portion (202A) including the upper protruding portion (206A) in the height direction (H). The device (1, 10) according to claim 10, wherein the upper recessed portion (208A) forms an opening starting from the rear space (242) toward the top (204A) and/or the lower recessed portion (208B) An opening is formed starting from the front space (241) toward the bottom (204B). The device (1, 10) according to one of claims 10 or 11, wherein the upper protruding portion (206A), the lower protruding portion (206B), the upper recessed portion (206B) of the corresponding link (20) 208A) and the lower recess (208B) in each case have a corresponding one for bearing against an adjacent link (20') in the extended position in a manner that absorbs compressive and/or tensile forces. A contact surface (216A, 216B, 218A, 218B) on the mating contact surface and for bearing against an adjacent link (20') in the bent position in a manner that absorbs compressive and/or tensile forces. a contact surface (226A, 226B, 228A, 228B) on a corresponding mating contact surface, wherein each of the stop surfaces (216A, 216B, 218A, 218B, 226A, 226B, 228A, 228B) preferably extends transversely to the longitudinal direction (L). The device (1, 10) as claimed in claim 12, wherein the contact surfaces (216A, 226A) of the upper protrusion (206A) or the contact surfaces (216A, 226B) of the lower protrusion (206B) are at a corresponding angle (αA, αB) to each other, and the contact surfaces (218A, 228A) of the upper recessed portion (208A) or the contact surfaces (218A, 228B) of the lower recessed portion (208B) are at a corresponding angle to each other. angles (βA, βB), wherein the angular size difference between the angles (αA, αB) of the upper protruding part (206A) and the upper recessed part (208A) and the lower protruding part (206B) and the lower The angular size differences between the angles (αB, βB) of the recessed portion (208B) are preferably substantially equal or equal. Device (1, 10) as claimed in one of claims 10 to 13, wherein the upper protrusion (206B) in the bent position is embodied in the upper recess (208A) in which it engages with the The top (204A) of the chain link (20') is flush, and/or the lower protrusion (206B) in the extended position is configured to be flush with the chain link (208B) in the lower recess (208B) into which it engages. 20") flush with the bottom (204B). Device (1, 10) as claimed in one of claims 6 to 14, wherein the corresponding chain link (20) is in each case at the front upper part (201A) and the rear upper part (202A) and There are end contact surfaces (231A, 232A, 231B, 232B) configured in the following manner at the front lower portion (201B) and the rear lower portion (202B): of the front upper portion (201A) and the rear upper portion (202A) The end contact surfaces (231A, 232A) are in the extended position against the end contact surfaces (231A, 232A) of the front upper portion (201A) and the rear upper portion (202A) of the adjacent link (20') ), and the end contact surfaces (231B, 232B) of the front lower part (201B) and the rear lower part (202B) are in the bent position against the end contact surfaces of the adjacent chain link (20') (231B, 232B) on. The device (1, 10) according to one of claims 6 to 15, wherein both the front space (241) and the rear space (242) are open to the outer sides (23) of each. Device (1, 10) as claimed in one of claims 1 to 16, wherein - the size of the corresponding joint connector (30) in the transverse direction (Q) is equal to more than 30% of the distance (A) between the outer sides (23) of the corresponding chain link (20), in particular is between 50% and 100%, preferably substantially equal to the distance (A), and/or - the respective joint connector (30) extends in a middle region with respect to the transverse direction between the outer sides (23) of the chain link (20). Device (1, 10) as claimed in one of claims 6 or 9 to 17, wherein each joint connector (30) is at least partially located between the two adjacent chains with respect to a height direction (H). The front upper part (201A) and the front lower part (201B) of one of the links (20) and the rear upper part (202A) and the rear lower part of the other of the two adjacent chain links (20) (202B) extends between. Device (1, 10) as claimed in one of claims 1 to 18, wherein the joint connectors (30) are implemented as spring elements which elastically change the elasticity of adjacent chain links (20) when bending. A restoring force is exerted on the chain links (20), which causes an at least partial restoring movement of the chain links (20) opposite to the bending direction. The device (1, 10) according to one of claims 1 to 19, wherein the elastically deformable region (32) of the corresponding joint connector (30) has a length in the longitudinal direction (L) of In each case equal to a multiple of the thickness of the respective connector (30) in the height direction (H). Device (1, 10) according to one of claims 1 to 20, wherein the respective joint connector (30) has two fastening areas (34) spaced apart from each other in the longitudinal direction (L) ) and by fastening in each case one of the fastening areas (34) to each of the two adjacent chain links (20) to prevent in the longitudinal direction (L) offset. The device (1, 10) according to claim 21, wherein with respect to the longitudinal direction (L), between the fastening areas (34), at least two areas of the joint connector (30) have at least A distinct property selected from the group consisting of cross-section, material thickness, and elastic modulus. Device (1, 10) as claimed in claim 21 or 22, wherein the respective chain link (20) has two fastening sockets (36) for one fastening area (34) in each case A form locking and/or force locking interaction is carried out, wherein each fastening socket (36) is preferably configured respectively on the front upper part (201A) and the front lower part (201B) of the corresponding chain link (20) or between the rear upper part (202A) and the rear lower part (202B); and/or where the corresponding fastening sockets (36) preferably lead in an open manner to the sides (23) of the chain link (20) ), preferably leads to both sides. The device (1, 10) as claimed in claim 23, wherein the corresponding fastening socket (36) is arranged between the top (204A) and the bottom (204B) relative to the height direction (H). In the middle region, preferably the distance between the fastening socket (36) and the top (204A) and the bottom (204B) is substantially the same. Device (1, 10) as claimed in claim 23 or 24, wherein the corresponding chain link (20) is at the corresponding fastening socket (36), in particular from the fastening socket (36) to the The transition to the front space (241) or the rear space (242) has mutually facing clamping surfaces (37) spaced apart from each other in the height direction (H), which clamping surfaces (37) are configured for The force lock retains a fastening area (34) of an associated header connector (30) and counteracts movement of the fastening area (34) relative to the corresponding fastening socket (36), wherein the respective header connector (30) Having thickened portions (38) at the fastening areas (34) for interaction with the clamping surfaces (37). A device (1, 10) as claimed in any one of the preceding claims, wherein the corresponding header connector (30) has detent members (39) in the fastening areas (34), the detents The member is implemented to interact with a complementary mating detent member (39') of the associated link (20) to preferably prevent deflection in the transverse direction (Q). Device (1, 10) according to one of the preceding claims, wherein some of the connectors (30) are embodied as substantially plate-shaped components or are embodied in the longitudinal direction (L) and in the A component that is curved in the plane in which the height direction (H) lies. The device (1, 10) according to one of the preceding claims, wherein the joint connectors (30) are made of plastic material, and/or the joint connectors (30) and the chain links (20) consists of different materials. Device (1, 10) as claimed in one of the preceding claims, wherein Each link (20) and/or each joint connector (30) consists of a body that is mirror symmetrical about its longitudinal center plane (L-H); and/or Each chain link (20) consists of a block part, preferably of a one-piece block part. Device (1, 10) according to one of the preceding claims, wherein each link (20) and/or each joint connector (30) is made in one piece from a plastic material, in particular by injection molding forming.