EP3807563A1 - Line routing device for hanging applications, particularly as a service loop for a drill - Google Patents

Abstract

The invention relates to a line routing device (10) for guiding a plurality of lines, such as cables, hoses, or the like, particularly for hanging applications, such as supplying a vertically traveling power head (3) of a drill (1). The line routing device (10) has a flexible carrying strand (11) and a plurality of guide bodies (14) arranged one behind the other in the longitudinal direction of the carrying strand. According to the invention, adjacent guide bodies (14) can be deflected spatially toward each other and each guide body has a central part (15A) having a center axis (A), which extends coaxially to the carrying strand (11), and an outer part (15B) having at least one circumferential element (17). The outer part (15B) delimits a receiving region (L), which is open in the axial direction, for the lines, radially to the outside.

Description

Cable routing device for hanging applications, especially as a service loop for a drilling rig

The invention relates generally to a device for guiding multiple supply lines, e.g. Cables, hoses or the like , hereinafter referred to as a cable routing device, in particular for hanging applications in which the

Cable routing device is arranged with two depending sections and a loop between them.

The invention particularly, but not exclusively, relates to a line routing device which is suitable as a so-called “service loop”, for example for a drilling rig. Service loops are bundles of lines which are used to supply a consumer, which is usually vertically movable, for example the top drive Drilling rig, used and between two freely hanging

Sections form a loop in order to

To offer freedom of movement.

Such a service loop is described by way of example in patent EP2105575B1 and is shown in the attached FIG. 4 (prior art) with reference number 6 as part of a drilling rig 1. Hoses 5 and cables supply the rotary head 3 electrically,

hydraulically and / or pneumatically with energy and possibly also transmit measurement and control signals via electrical and / or optical lines (not shown). The power turret 3 is supplied by the service loop 6 and moved vertically with a lifting device 2. In EP2105575B1, a structurally complex device is proposed for the further development of a service loop, which is intended to prevent the supply lines from opening and closing Tangle down the drive head 3 together.

In conventional "service loops" there are several lines

summarized carried by a reinforced rubber tube with a large diameter. Typically, the hose is then filled with potting material, e.g. in US7966724B2

described to support the lines against the inside of the outer hose. This design complicates subsequent repair and maintenance, such as. e.g. the exchange of a line, significantly. To reduce downtime, the entire hose package is replaced with all lines, even if e.g. only one line is defective. Another disadvantage, especially with drilling rigs, is the relatively large minimum radius of the loop, among other things. due to the large outside diameter.

As a further development, a solution with a smaller diameter is proposed in patent US9449737B2. There is a special inner plastic jacket and a special shield

proposed that both have high load-bearing capacity in order to avoid the load-bearing outer hose.

However, a different type is known from patent EP2986869B1

Line management device known, in particular for

Supply of a drill head in marine (Engl, offshore) drilling rigs is suitable. This cable routing device has two tensile, flexible load strands which extend over the length of the cable routing device and on which, in

Arranged one behind the other in the longitudinal direction of the load strands, a large number of guide bodies are fixed. This chain-like cable routing device is suitable for very high tensile forces, e.g.

hanging applications up to 200 m in length, such as in deep drilling rigs or the like , suitable and among other things resistant to salt water. The

Design according to EP2986869B1 enables very long lengths and offers good protection i.e. long service life of the cables,

especially when reeling up and down, but is less suitable for use as a service loop, e.g. because of the

required space of e.g. is usually not available inside the derrick.

There is a first over the prior art The object of the invention is to design a line routing device in such a way that the finished manufacture, including the assembly with the desired lines, is simplified, in particular even with a large overall length. Furthermore, the new cable routing device should offer good protection, avoid tangling of several cables and yet be compact and

comparatively easy to build.

According to a further aspect, subsequent maintenance work, in particular the replacement of individual lines, is to be facilitated. Furthermore, in comparison to conventional service loops, a smaller minimum radius in the deflection area or the loop between two longitudinal sections is desirable.

The proposed line routing device has one

tensile, flexible support strand that extends over the length of the

Line guidance device extends and along it

In the longitudinal direction a number of guide bodies one behind the other or

are arranged sequentially.

According to a core concept of the invention, it is proposed to achieve the first object that adjacent guide bodies can each be spatially deflected relative to one another (ie can each be pivoted about at least two axes with respect to one another) and each guide body has a central part with a central axis that extends coaxially to the supporting strand (11), as well as an outer part with at least one peripheral element. The peripheral element is held on the central part and delimits a receiving area, open in the axial direction, radially outwards for one or more

Lines or defines this recording area accordingly. Preferably, but not necessarily, each central part can be provided with an axial through opening, which forms a central axis and through which the supporting strand extends.

The supporting strand carries a substantial part of the weight and relieves the cables from tensile forces, similar to the inner soul of a rope. The supporting strand is so flexible that it can

Deflection of the guide body to each other is not affected. The guide bodies keep the cables in the receiving area, i.e.

relative to the central part and thus at least in the radial direction opposite the supporting strand. This avoids tangling and the need for a load-bearing outer hose. The cables are kept relatively free of play by appropriate dimensioning of the outer part, which is the case with known service loops

Potting material would require. With a suitable design, the guide bodies also allow the exchange of individual lines.

Strain relief for the lines is usually advantageous. For this, e.g. each end-end strain relief in a suitable design, for example. So-called strain relief stockings, on both sides of the

Cable routing device may be provided, possibly without

Strain relief for the lines within the

 Cable guide. As an alternative or in addition, strain reliefs can also be provided within the cable routing device at a number of points along its longitudinal direction, but this reduces the mobility of the cables. to

Strain relief within the cable routing device can, for example, tightly constrict the peripheral elements at the respective points and pull-tightly at the respective points

Hold the central part or support strand.

The invention offers particular advantages where relatively heavy line bundles have to be arranged substantially vertically hanging over a considerable length. The present

The invention is therefore particularly suitable for use in a land or onshore or marine or offshore drilling rig, in particular as a service loop, but is not restricted to these areas. Other applications of marine technology are e.g.

Supply cable (Engl, umbilical) between platform and

Supply ship, or the shore power supply of ships. Also for land-based applications, especially hanging applications, e.g. in drilling and civil engineering equipment or in mining technology, the solution is particularly suitable.

According to first aspects of the invention, it can be provided that the outer part can be opened for each guide body and / or it can be provided that at least some guide bodies,

in particular, all guide bodies each have a fastening device on their central part for stationary fastening of the central part on the support strand at least in the axial direction, in particular non-positively and / or positively.

Openable outer parts can in particular be provided in that at least one peripheral element is connected to the central part so as to be movable or pivotable. Alternatively or additionally, at least one peripheral element can also be from

Guide body can be detachably attached, e.g. by a

Screw connection, plug connection or the like. , preferably by a drop-safe fastening.

In particular in the case of drilling rigs, such as land or onshore or marine or offshore drilling rigs, all detachable elements of a guide body should in principle be secured against falling, in particular at least twice, on the guide body, e.g. by means of screws with a pin lock or similar

 Screwing solutions. Accordingly, the central parts are also preferably fall-safe, at least in at least

Fixed in the axial direction on the supporting string so that in the event of a breaking of the supporting string, the guide bodies cannot fall down. Openable outer parts, e.g. with swing out

Circumferential elements allow lateral access to the receiving area and thus facilitate manufacture and maintenance, since cables can be inserted and removed from the side, i.e. do not have to be carried out or "threaded" in the axial direction, such as in the carrying hose of conventional service loops. The peripheral elements can, for example, be flexible or through a pronounced joint

be swing open. The attachment to the support strand fixes the position in the axial direction, this may only be necessary in sections, e.g. if the guide body is axial

against one another. Swiveling peripheral elements can in particular be held so that they cannot be tied to the guide body, so that subsequent maintenance is simplified and parts are prevented from falling off.

According to a further aspect of the invention, it can be provided that at least some, in particular all, guide bodies have an elastic buffer on the outside on their at least one peripheral element for shock absorption, in particular radial impacts. The buffer preferably runs around the circumference Central axis, preferably over the entire circumference. The buffers dampen lateral stops of the guide body during horizontal swinging due to the intended vertical movement. Furthermore, the buffers can also serve as an angle stop between the individual guide bodies in order to limit their relative deflection with respect to one another with a damping effect. With a good protective effect, a small radius of the loop is made possible at the same time, despite the simple construction. The radius can be passed through

The dimensions of the circumferential elements and buffers on the one hand and the axial spacing between successive circumferential elements on the other hand should be chosen as desired, but should not be less than the smallest permissible minimum radius of the cables.

The number or number of guide bodies is selected such that they are present along the predominant length of the supporting strand, but the ends of which are exposed. The guide body can

follow one another in particular directly or without empty spaces or else be arranged with spaces. The guide bodies are preferably not tensioned against one another, but rather are fixed on the supporting strand without pretensioning or with play. In a preferred embodiment, the central part has as

Fastening device, a clamping and / or tensioning device, in order to non-positively on the supporting strand on an inner surface of the

Determine through opening in the central part. Among other things, this allows a simplified production.

In principle, all suitable approaches are considered as fastening devices, which do not place an unfavorable strain on the supporting strand.

Especially if each central part with an axial

Through opening is provided, which is the supporting strand

extends e.g. a screw-clamp device with

Clamping screw may be provided. This can be designed in particular in the manner of a clamp, in particular an articulated clamp with a hinge-like joint. Are there

preferably two bowl-shaped areas on the central part

intended. These can be connected by the joint, so that a clamping screw is only required on one side. With a clamping screw opposite the joint, which the cup-shaped areas against each other can be securely fastened in a similar way to a clamp.

Alternatively, a quick release, bracket clamp or similar device can be provided, which the free

The diameter of the through opening is at least partially reduced or the central part is non-positively and / or positively fastened to the supporting strand, e.g. tightens.

Other types of stationary fastening of the guide bodies are also within the scope of the invention. In a further embodiment, the supporting strand can be in the form of a link chain, e.g.

Round link chain, be executed, each central part forms a kind of special chain link as a load-bearing component of the support strand. You can use this to reduce the length weight

preferably two successive central parts by one or more actual chain links, which as

Intermediate links (without outer part) are provided, can be spatially deflected connected. Intermediate links can then e.g. Conventional metal links of a round link chain can be used, which are chained to opposite eyelets of the central parts.

In a further embodiment, the supporting strand can be designed in the manner of a “pearl chain”, with supporting bodies which are stationary in the longitudinal direction of the supporting strand and to which the central parts are positively attached by means of a suitable respective fastening device.

Regardless of the type of fastening chosen, the central parts are preferably fixed and not rotatable, in particular torsionally rigid, to the supporting strand. This can be achieved in a particularly simple manner by means of a non-positive clamping on the supporting strand.

In the ready-to-operate state, the outer part preferably forms a closed one in the circumferential direction or around the central axis of the

Guide body completely circumferential boundary, so that all lines in the plane perpendicular to the support string in the

respective recording area are held. In preferred

The outer part of each guide body has two further training

Peripheral elements, each of which has a swivel joint, Hinge joint, hinge strap or the like , flexible or

are pivotally connected to the central part in order to insert or remove lines from the receiving area. However, the peripheral elements can also be designed to be openable in another way, e.g. removable. The latter is particularly considered if a service loop is replaced completely or as a package with all lines in the event of line damage and line replacement does not have to take place on the system.

The peripheral elements are preferably semi-ring-shaped. Furthermore, the peripheral elements can preferably be used as identical parts, i.e. Both are identical, designed to reduce the number of parts.

All or the essential components of the central part and the outer part, in particular the peripheral elements, can be made from

Plastic, especially as injection molded parts.

The elastic buffer is preferably made of an elastomer

manufactured, e.g. from a synthetic rubber or the like, and e.g. designed as a rubber buffer. The buffer is more elastic than the other components of the guide body. The buffer is preferably designed in the shape of a ring or a torus. The buffer should encompass most of the scope. Especially

the buffer preferably surrounds the peripheral element or elements

fully, e.g. as a closed or closable ring. The buffer can also be used to secure or lock the movable peripheral element (s) and e.g. as axial

slide-on retaining ring serve. The buffer can also be used as

separated ring to be executed together with the

Circumferential elements is closed.

All guide bodies preferably have a buffer, each buffer preferably projecting axially with respect to the peripheral element (s) or lying axially flush with them, so that the buffers of adjacent guide bodies abut one another around the

To limit the maximum angle of the spatial deflection of these guide bodies to one another as stops. By buffer as

Deflection limitation reduces wear and, among other things, reduces noise. The buffers can be held, for example, in that each peripheral element has one on its outside has in the circumferential direction holding groove, in which the annular buffer for axial retention engages positively or vice versa.

In a preferred embodiment, the support strand has a connection device at both ends for the detachable fastening of the line routing device to the system to be supplied, e.g. on the drilling rig. This is an exchange of

Line routing device facilitated. When using a rope as a supporting strand, all common rope end connectors or rope end connections are considered, such as, for example, spliced or pressed eyelets, pressed or spliced thimbles, pressed clamps or cast threaded fittings or the like. , etc. In the case of a link chain as a supporting strand, all common, releasable end connections, such as shackles, hooks,

Screw connections, clamps, eyelets, etc.

A fastening device for strain relief of the lines is particularly preferred on each connection device

provided, in particular by means of so-called cable pulling socks or

Cable strain relief stockings (Engl, meshed cable supporting grip), preferably with a loop / thimble or holding eyelet. For this purpose, each connection device is preferably connected to the connection device with at least two horizontally opposite ones

provide load-bearing holding arms to which the guided cables can be attached for strain relief, e.g.

by means of shackles, each of which holds a cable strain relief sock releasably. Such a design is a

Complete replacement of the cable routing device incl. the

Lines simplified, since only loosening the two

Connection devices is required.

The outer part can have exactly one circumferential element with a large circumference, in particular> 300 ° angular dimension. The is preferred

Outer part but made of several parts,

Circumferential elements. The outer part can define an approximately circular shape in cross section, i.e. the peripheral elements can preferably be in the form of a circular arc, the outer part

in particular with two semicircular elements. Other shapes, such as a polygonal cross section, are possible.

The outer part should preferably be sufficient

Specify the inside diameter or diameter of the receptacle for receiving the intended cables. The diameter of the receiving space should be noticeably larger than 100mm, in particular at least 125mm, in order to supply lines in

to be able to carry out intended applications.

In one embodiment, the central part can have two joint regions which project axially relative to the peripheral elements and are axially opposite one another. The joint areas are designed conjugated, so that one joint area of a first

Guide body is releasably insertable in the axial direction in the conjugate other joint area of an adjacent second guide body, i.e. the guide body can be axially

be put together. Due to the axially detachable design of the joint areas, the assembly is considerably simplified since the guide body is only attached to the supporting strand or the

Carrying strand must be passed through the central parts and then can be "inserted" into each other. Accordingly, such an optional articulated connection of successive guide bodies is preferably loose in the axial direction, but at least axially easily detachable or pluggable.

Thanks to the supporting strand, tensile strength in the optional articulated connection between the guide bodies, in particular the adjacent articulated areas, is fundamentally not necessary for hanging applications. In a preferred further training, the

Joint areas form a ball joint-like joint connection for spatial deflection of adjacent guide bodies. A pluggable articulated connection can be achieved with a

partially spherical joint head and an approximately hemispherical

Joint socket and / or with joint head / socket which can be inserted axially into one another by widening the socket and / or squeezing the head. However, a ball joint-like joint connection is not mandatory.

In another embodiment, the guide bodies are axially spaced apart on the supporting strand by means of their Fastening device determines what material costs and

Weight reduced.

The through opening in the central part can preferably

have opposite axial mouth areas that radially widen outward to avoid wear of the central part and / or support strand.

In a particularly preferred embodiment, the central part of each guide body has two one-piece support arms, each of which has an inner clamping shell and a radial web. The clamping shells can be connected to one another in between

Form through opening for the support strand, in particular as a clamping device. The central part can essentially consist of these two support arms. The webs of the support arms preferably have an outer end region with which the outer part,

in particular both peripheral elements are connected. The webs thus hold the peripheral element (s) and thus secure the lines (radially) on the supporting strand on which the clamping shells are fixed. The or each peripheral element can optionally be connected in one piece to the webs and e.g. can be flexibly swung open. Each peripheral element is preferably connected to the webs as a separate part via a joint.

Furthermore, the central part on the inside of the feed-through opening can have a clamping toothing running transversely to the central axis

Have axial securing on the supporting string.

The supporting strand can in particular be a tensile supporting rope, e.g. made of high-strength plastic. In the present case, tensile means that the supporting strand or the supporting rope is sufficiently resistant to tensile stress to support the total weight of the cable routing device, including all

To carry lines, i.e. a thought end-side weight that the total weight of the cable routing device with all

Lines corresponds. The required static load-bearing capacity of the supporting string depends on the application, but should typically be »1000kg.

A wire rope made of individual rope wires can also be considered as a supporting strand, preferably with a nominal strength of the wire material> 900 N / mm2. In addition or as an alternative to rope wires Plastic can also be made of steel cable wires, possibly with a plastic core. The supporting strand or the supporting rope should be as little stretch as possible. As an alternative to a suspension cable, there is also a link chain, for example made of steel links, as

Support strand into consideration.

However, a support rope made of high-strength plastic is preferred in connection with guide bodies which are at least predominantly made of plastic. This allows for

Cable routing device per se (without guided cables) even with a comparatively large holding capacity of the guide body or large inner diameter, e.g. »200mm, and corresponding load capacity, achieve a comparatively low length weight <40kg / m. Compared to link chains, the noise emissions are also significantly lower.

For intended applications, in particular in drilling rigs, the supporting strand preferably has a length of at least 5 m, in particular at least 10 m. The support strand is preferably completely continuous and has a higher tear and

Tensile strength on than the guided lines.

In hanging applications, the cable routing device has in particular a first depending longitudinal section, which has a first end connected to a consumer, a second depending longitudinal section, which has a second end, with the supplying plant / machine part

is connected, as well as one of the two hanging ones

Loop connecting longitudinal sections. The drooping

In a first approximation, longitudinal sections run quasi vertically in a first partial area starting from the ends,

Strictly speaking mathematically or depending on the horizontal distance between the ends along a rope curve or chain curve i.e. Katenoide (Engl, catenary) which corresponds to the function of the cosine hyperbolic (or cosh).

The supporting strand or the supporting rope extends beyond both ends, ie extends over the desired total length of the cable routing device and projects from the end of the guide body or in front of the weight-bearing attachment of the To facilitate the supporting strand or rope.

As an independent aspect of the invention, there is also an individual

Guide body for a cable routing device claimed according to one of the above embodiments.

According to a core concept, the guide body has a central part with an axial through opening, which forms a central axis and through which a supporting strand can be passed, and an outer part with at least one peripheral element. The peripheral element delimits a receiving area for the lines that is open in the axial direction and is held on the central part for this purpose.

According to one aspect of the invention, the peripheral element is connected to the central part in a movable or pivotable manner.

According to another aspect of the invention, a fastening device for the stationary fastening of the

Central part provided on a support strand.

According to another aspect of the invention

On the outside of the circumferential element, an elastic buffer is provided for shock absorption, for damping in particular in the event of radial impacts and / or as a stop for the guide bodies against one another.

The guide body can advantageously have one or more of the further features described above as advantageous in any combination with one of the above aspects.

The invention also relates to a drilling rig with a

Top-drive comprising a hanging cable routing device according to one of the preceding

Embodiments for supplying the power turret.

The cable routing device is particularly suitable for use in a land or offshore drilling rig as a replacement for a conventional service loop, for original equipment or

Exchange. Depending on the requirements, a thin, flexible protective cover without a carrying function can also be provided, which should, however, be designed so that it can be opened.

Further details, features and advantages of the invention emerge from the following, detailed description of preferred exemplary embodiments with reference to the accompanying

Illustrations. Here show:

FIG.1A-1B: a first embodiment of a

 Cable routing device in a hanging arrangement

 Supply of a vertically mobile consumer in

 Side view (FIG.1A) and in perspective enlargement of the lower region or the deflection loop (FIG.1B);

FIG.2A-2C: an axial section / longitudinal section (FIG.2A) and a radial section / cross section (FIG.2B) and a

 Perspective view (FIG.2C) of a guide body of the

 Line routing device according to FIG. 1A-1B;

3 shows a radial section / cross section of a second

Embodiment of a guide body;

FIG.4: as an application example of the invention, a

 Drilling system with a power head (top drive), which is supplied with a service loop which is known per se and which is to be replaced by the line routing device (prior art);

5A-5B: a preferred third exemplary embodiment of guide bodies in a modification FIG.2A-2C;

6 shows a further embodiment of a

 Cable routing device, wherein the supporting strand is designed in the manner of a link chain;

7: another embodiment of a

 Cable routing device, the supporting strand supporting body for the form-fitting fastening of the guide body;

8: a schematic cross section through a

 Connection device for fastening one end of a

 Support rope with a rope sleeve and holding arms for strain relief of the lines; and

FIG. 9: a line with a cable strain relief stocking

Strain relief and attachment to a connection device, e.g. B. according to FIG. 8. 1A-1B show a first example of a line routing device 10 according to the invention in a hanging arrangement with a first vertical longitudinal section 12A which has a first end 12C and a second vertical longitudinal section 12B which has a second end 12D. The first end 12C is connected to a machine part M which in this example moves vertically up and down, for example a power rotary head 3 (FIG. 4) of a drilling tower. The second longitudinal section 12B is in turn fixed at its end 12D to a frame or stationary machine part F. A loop 13 forms a deflection area of the two in

Connects substantially vertically depending longitudinal sections 12B, 12B.

The cable routing device 10 has a flexible suspension cable 11 made of high-strength plastic fibers, e.g. Made of high-modulus polyethylene or high-modulus polyamide, which carries the weight load of the cable routing device 10 as a supporting strand. For this purpose, the free or protruding end regions 11A, 11B of the supporting cable 11 are fastened in a suitable manner to the movable machine part M and to the stationary machine part F (shown schematically in FIG. 1A). The cable routing device 10 has the second essential

Part of a plurality of successively, in the longitudinal direction of the support strand 11, annularly closed guide body 14 (FIG.1B). The guide bodies 14 are lined up on the supporting cable 11 and are held and carried by the latter. The suspension cable 11 thus carries at least the entire weight of all guide bodies 14.

As FIG.1B shows, the loop 13 forms between the

Longitudinal sections 12A, 12B have a relatively small radius, i.e. the longitudinal sections 12A, 12B can run at a small horizontal distance from one another. The small radius is among others possible by the fact that adjacent guide bodies 14 can be strongly angled relative to one another. The guide bodies 14 are each spatially movable with respect to one another, as shown in FIG. 1B. However, the distance between the longitudinal sections 12A, 12B can vary

Application should also be significantly larger and they do not have to hang down vertically. Depending on the application, the

Cable routing device 10, for example, also run similar to a suspension bridge. FIGS. 2A-2B show a first exemplary embodiment of a guide body 14 for the line routing device 10. Each guide body 14 has a central part 15A with an inside

Central axis A and one to this coaxial through opening 16 to carry out the supporting strand 11 (FIG.1A) and the outside one

Outer part 15B with two circular-arc-shaped circumferential elements 17, here with an arc length of approximately 160-180 °, in order to hold the lines.

 Each circumferential element 17 defines a radially outward

Axial direction open receiving area L for the lines (not shown).

The central part 15A comprises a fastening device 18 for the axially stationary fastening of the guide body 14 to the support cable 11. This is embodied in FIG. 2A-2B as a screw-clamping device 18 in the manner of a joint clamp. For this purpose, the central part 15A has two one-piece support arms 20A, 20B made in one piece from plastic, each of which has an inner clamping shell 21A, 21B. Due to the conjugated design, the clamping shells 21A, 21B form on one side a hinge-like joint 24 (cf. FIG. 3), which pivotably connects the clamping shells 21A, 21B. At the

opposite side have the clamping shells 21A, 21B

Screw openings for a clamping screw 25 to clamp the U-shaped clamping shells 21A, 21B against one another. Alternatively, quick releases or the like come. into consideration. The clamping shells 21A, 21B also form two approximately semi-cylindrical ones in the center

Inner surfaces of the through opening 16. By tensioning the

Clamping shells 21A, 21B becomes the central part 15A i.e. the

Guide body 14 attached to the suspension cable 11, because the inner surface of the through opening 16 is non-positively fixed on the support strand 11. For better axial securing, there is a transverse to the central axis A on the inner surfaces of both clamping shells 21A, 21B

extending clamping teeth 28 provided.

As shown in FIG. 2B, each support arm 20A, 20B comprises, in one piece with the respective clamping shell 21A, 21B, also a radial web 22A, 22B with the outer end region of which the outer part 15B, ie the two peripheral elements 17 are articulated, here pivotally connected. As a result, the two circumferential elements 17 are each via an associated swivel joint 23, for example a hinge, between the closed position in FIG. 2B and an open position (not shown) pivotally connected to the one web 22A of the central part 15A. This facilitates the insertion or removal of lines in one of the receiving areas L. The peripheral elements 17 are identical parts and semi-ring-shaped, for example as plastic parts or made of sheet metal. The peripheral elements 17 form detachable eyelets for the pivot joint 23, which are similar to

Pipe clamps, on a bearing pin or shaft on which a web 22A are rotatably supported. At the opposite end they have

Circumferential elements 17 and the other web 22B continuous

Screw openings for a locking screw 29 with

 Safety nut or the like The peripheral elements 17 are thus fastened to the other web 22B in the closed position (FIG. 2B). The inside diameter of the receiving areas L limited in this way, measured radially between the circumferential elements 17, is in the range of approximately at least 150 mm to 300 mm or larger. The

Absorption capacity is determined by appropriate dimensioning of the

Circumferential elements 17 and possibly webs 22A, 22B are specified.

FIG. 2A also shows two central, axially projecting joint regions 26A, 26B of the central part 15A. These serve a defined, low-wear relative movement of adjacent guide bodies 14 without transverse displacements relative to one another, from the extended position in the longitudinal sections 12A, 12B to the completely angled position in the apex of the loop 13 (FIG. 1B below) and back. For this purpose, each central part 15A has two joint regions 26A, 26B, which are opposite on the end face, coaxial to the central axis 16

opposite joint regions 26A, 26B are designed conjugated or paired such that one joint region 26A is detachably coaxial with the respectively conjugated other joint region 26B of an adjacent guide body with little or none

Exertion of force, in particular without tools, can be inserted axially.

The joint regions 26A, 26B can have a joint connection similar to a ball joint for spatial deflection of neighboring ones

Form guide body 14 around any two axes. For this purpose, the one joint region 26A is designed as a joint head 27A with the outer surface of a spherical ring (see FIG. 2C) (partially spherical) and the correspondingly conjugated joint region 26B as a joint socket 27B with an approximately hemispherical (hemispherical) inner surface (see FIG. 2A) , FIG. 2A-2C also show an annular elastic buffer 19 made of an elastomer, which essentially completely surrounds the peripheral elements 17. The buffer 19 can be rounded in the transition between the axial end face and the peripheral surface and serves on the one hand as an angular stop to limit the minimum

Deflection radius of loop 13 (FIG. 1B below) and on the other hand for damping radial impacts, e.g. when striking the

Plant / machine or during transport.

Each buffer 19 is designed as an open ring with a gap for attachment to the outer part 15B and is with the

Locking screw 19 closed. In the example shown here, the buffer 19 does not protrude axially with respect to the peripheral elements 17, but lies axially flush with the axial end face of the

Circumferential elements 17, but a protrusion is also possible. For axial securing, the buffers 19 engage radially in a circumferential holding groove or receptacle on the outside of the circumferential elements 17.

Circumferentially closed buffers 19 (without a gap) such as wheel tires can also be clamped e.g. to additionally secure the peripheral elements 17. The elastically shock-absorbing buffers 19 can be solid bodies or, depending on the size, as a hollow body to save weight.

FIG. 3 shows a second embodiment of a guide body 34 for a line routing device 10. The guide body 34 differs from that from FIG. 2A-2C primarily in that it has no pronounced joint regions 26A, 26B. The

Guide body 34 is intended for a line-up on the suspension cable 11 with an axial distance between adjacent guide bodies 34. In the guide body 34 from FIG. 3 are opposite

trumpet-shaped, mirror-symmetrical mouth regions 36

intended. The mouth regions 36 enlarge radially outwards or widen in order to reduce frictional wear with the supporting cable 11 when angled. In this way, an even smaller radius of the loop 13 (FIG. IB) can be achieved if necessary.

 Otherwise, the same reference numerals in FIG. 3 denote the same parts as in FIG. 2A-2C. A greater widening of the through opening 16 can also be provided in FIG. 2A-2C.

FIG.4 shows an application example for the Cable routing device 10 according to FIG. 1-3 in a drilling rig 1. The cable routing device 10 can serve as an exchange for the conventional service loop 6, which supplies the power rotary head 3.

FIG. 5A-5B show a variant of FIG. 2A-2C with guide bodies 54. One difference is that the support arms for protecting the lines each have material thickenings 52C, 52D on both webs 52A, 52B in the area around the clamping screw 25.

 Furthermore, the web 52A, on which the rotary joints 53 are provided for pivoting open the peripheral elements 57, forms further ones

Material thickenings 52E, 52F to protect the lines against the swivel joints 53 and for mechanical reinforcement of the

Swivel joints 53. In FIG. 5A-5B, pivot pins are on the

Circumferential elements 57 provided and pivotable on the web 52A

stored. In other essential features, they are correct

Guide body with FIG.2A-2C. As with FIG. 2A-2C, in particular the central part and also the outer part can be constructed at least predominantly from plastic injection-molded parts.

FIG. 6 shows in perspective a short longitudinal section of an alternative exemplary embodiment in which the supporting strand 11 (cf. FIG. 1A) is not designed as a supporting rope, but in the manner of a link chain. For this purpose, the individual guide bodies 64 each have two holding eyelets 63 axially opposite each other with which they can be fastened using intermediate members 62, e.g. in the design of typical chain links of a round link chain, chained in the longitudinal direction and deflectable to each other. The central parts 65A in FIG. 6 are thus load-bearing, integral components of the chain-like support strand. Each central part 65A of each guide body 64 also has two diametrically opposite support arms 60A, 60B on which the outer part 65B is held. Another

The difference to FIG. 2A-2C or FIG. 5A-5B is that the outer part 65B here has two fixed, non-detachable circumferential elements 67A in the shape of a circular arc, which e.g. are made in one piece with the support arms 60A, 60B. On the non-detachable circumferential elements 67A of the outer part 65B there are two detachable circular arcs

Circumferential elements 67B are removably attached, e.g. by

Screw connection, as shown in FIG. 6 in the upper guide body 64 in an exploded view. FIG. 7 shows a perspective partial view of a longitudinal section of a further, alternative exemplary embodiment in which the supporting strand is designed as a supporting cable 71. In even

Intervals are block-like support body 72 fixedly attached to the support cable 71. The support body 72 can be pressed and / or fixed in the longitudinal direction by an adhesive connection to the support cable. This design enables a positive connection of the

Central parts 75A, for securing the position on the support cable 71. For this purpose, the central parts 75A in FIG. 7 each have receptacles 77 molded onto the support arms 76A, 76B, which are designed to match the positive engagement with the support bodies 72. The receptacles 77 are form-fitting to the support body 72 in a similar manner to holders

attached and firmly connected to each other, e.g. screwed. The outer parts, which are not shown in FIG. 7 for relief, can have a construction corresponding to FIG. 5A-5B or also FIG. 6. In the example from FIG. 7, the central parts 75A,

in particular support arms 76A, 76B and recordings in one piece as

Injection molded parts made of plastic.

FIG. 8 and FIG. 9 illustrate a connection device 80 with which the end regions 11A, 11B of the support cable 11 (FIG. 1) can be detachably attached to the connection points of the system. The connection device 80 in FIG. 8 comprises a base body, e.g. Machined as a metal component, with a cable sleeve 82 in the lower region, which comprises a coaxial receptacle 83, in which the respective end region 11A, 11B of the support cable 11 (FIG. 1) is received and by pressing and / or casting with a casting compound (adhesive connection) is attached tensile. At the

A threaded pin 84 with an external or internal thread is provided at the opposite end, by means of which a shackle, a load eye, a load hook or the like (not shown) is preferably screwed in order to enable easy assembly / disassembly. Furthermore, the connection device 80 comprises at least two

Opposing, radial holding arms 85A, 85B with transverse bores 86 for fastening a single line 93 each directly to the connection device 80 and thus also to the supporting cable 11. Through the bores 86, strain relief stockings 90 (FIG. 9) with a loop / thimble 92 can be made using shackles can be suspended from the holding arms 85A, 85B with strain relief. PE June 18, 2018

Applicant:

igus GmbH

51147 Cologne

Cable routing device for hanging applications, especially as a service loop for a drilling rig

LIST OF REFERENCE NUMBERS

1A-1B

 10 cable routing device

 11 suspension rope (suspension rope)

 11A, 11B end region (supporting strand)

 12A, 12B hanging longitudinal section

 12C, 12D ends (cable routing device)

 13 loop

 14 guide body

 M movable machine part

F stationary machine part

2A-2B

 14 guide body

 15A central part (of the guide body)

 15B outer part (of the guide body)

 16 through opening

 17 circumferential element

 18 fastening device

 19 buffers

 20A, 20B support arm (on the central part)

 21A, 21B clamping shell (on the central part)

 22A, 22B bridge (on the central part)

 23 swivel joint (between circumferential element and support arm)

 24 hinge joint (on clamping shells)

25 clamping screw 26A, 26B joint areas (on the central part 15A) 27A joint head

27B socket

 28 clamping teeth

 29 locking screw

A central axis

 L Recording area

FIG. 3

 34 guide body

 15A central part (of the guide body)

 15B outer part (of the guide body)

 17 circumferential element

19 buffers

 21A, 21B clamping shell (on the central part)

 36 mouth area (at the central part 15A)

FIG. 4 (state of the art)

 1 derrick

 2 lifting device

 3 top drive

 5 lines

 6 Service Loop (state of the art)

FIG. 5A-5B

 19 buffers

 25 clamping screw

 29 locking screw

 52A, 52B bridge (on the central part)

 52C, 52D; 52E, 52F material thickening

 53 swivel joint (between circumferential element and support arm)

54 guide body

57 circumferential element

FIG. 6

 60A, 60B support arm (on the central part)

 62 pontic

 63 eyelet

64 guide bodies 65A central part (of the guide body) 65B outer part (of the guide body)

66 through opening

67A circumferential element (fixed)

67B peripheral element (detachable)

 69 buffers

FIG. 7

 71 suspension cable

72 support body

 75A central parts

 76A, 76B support arm (on the central part)

77 shots FIG. 8th

 80 connection device

 82 rope sleeve

 83 recording

 84 threaded pin

85A, 85B holding arms

 86 cross holes

FIG. 9

 90 strain relief stockings

92 loop / thimble

 93 line (cable)

Claims

Cable routing device for hanging applications, especially as a service loop for a drilling rig claims

1. Cable routing device (10) for guiding several

 Lines, such as cables, hoses, or the like. , especially for hanging applications, e.g. the supply of a vertically moving turret (3) of a drilling rig (1) or the like, comprising

 - A tensile, flexible support strand (11) which extends over the length of the cable routing device; and

 - A number of guide bodies (14) arranged one behind the other in the longitudinal direction of the supporting strand;

 characterized,

 - That adjacent guide bodies (14) are spatially deflectable to each other and each guide body has a central part (15A) with a central axis (A) which is coaxial to

 Carrying strand (11) extends, and has an outer part (15B) with at least one peripheral element (17), the peripheral element (17) having an open in the axial direction

 Receiving area (L) for the lines is limited to the outside and is held on the central part (15A);

 - That for each guide body (14) the outer part (15B) can be opened, the at least one peripheral element (17) being detachably, movably and / or pivotally connected to the central part (15A); and

 - That at least some guide body (14) on her

Central part (15A) each have a fastening device (18) for fastening the central part (15A) to the supporting strand (11).

2. Line routing device (10) for guiding several lines, such as cables, hoses, or the like. , especially for hanging applications, e.g. the supply of a vertically moving turret (3) of a drilling rig (1) or the like, comprising

 - A tensile, flexible support strand (11) which extends over the length of the cable routing device; and

 - A number of guide bodies (14) arranged one behind the other in the longitudinal direction of the supporting strand;

 characterized,

 - That adjacent guide bodies (14) are spatially deflectable to each other and each guide body has a central part (15A) with a central axis (A) which is coaxial to

 Carrying strand (11) extends, and has an outer part (15B) with at least one peripheral element (17), the peripheral element (17) having an open in the axial direction

 Receiving area (L) for the lines is limited to the outside and is held on the central part (15A); and

 - That at least some, in particular all, guide bodies (14) have an elastic buffer (19) on the outside on their at least one peripheral element for shock absorption.

3. Cable routing device according to claim 1 or 2, characterized in that the central part (15A) has an axial

 Has through opening (16), which forms the central axis (A) and through which the supporting strand (11) extends, and / or as a fastening device, a clamping and / or tensioning device (18) around the central part with an inner surface of the through hole non-positively to be fixed on the supporting strand.

4. Cable routing device according to claim 3, characterized in that as a fastening device

- a clamping device (18) in the manner of a joint clamp with a hinge-like joint (24) which connects two shell-shaped regions (21A, 21B) which can be tensioned against the supporting strand; or

A quick release, clamp clamp or the like is provided, which at least partially reduces the free diameter of the through opening.

5. Cable routing device according to claim 1 or 2, characterized in

 that the supporting strand is designed in the manner of a link chain and each central part (65A) forms a chain link, preferably two successive central parts each being spatially deflectably connected by at least one intermediate link (62); or

 that the supporting strand (71) has fixedly attached supporting bodies (72) in the longitudinal direction of the supporting strand, to which the central parts (75A) are positively attached by means of the respective fastening device (77).

6. Cable routing device according to one of claims 1 to 5, characterized in that the outer part of each guide body has two circumferential elements (17) which are each pivotally connected via a swivel joint (23) to the central part in order to insert lines into and out of the receiving area can be seen, the peripheral elements (17) are preferably semi-ring-shaped and / or designed as identical parts.

7. Cable routing device according to one of claims 1 to 6, characterized in that the elastic buffer (19) is made of an elastomer and / or the buffer is ring-shaped or toroidal, the buffer preferably the or the peripheral elements (17) completely surrounds.

8. Cable routing device according to claim 7, characterized in that all guide bodies (14) have a buffer (19) and each buffer relative to the or

Circumferential elements (17) protrude axially or lie axially flush with them, so that the buffers of adjacent guide bodies limit the maximum angle of the spatial deflection of these guide bodies (14) to one another as stops.

9. Cable routing device according to one of claims 1 to 8, characterized in that the supporting strand has a first end (11A) and a second end (11B), each end having a connecting device (80) for releasably fastening (84) the cable routing device.

10. Cable routing device according to claim 9, characterized characterized in that each connection device (80) has at least two opposite holding arms (85A, 85B) attached to the connection device for strain relief of lines.

11. Cable routing device according to one of the preceding

Claims 1 to 10, characterized in that the central part (15A) has two axially protruding, opposite joint regions (26A, 26B), the joint regions being designed conjugated, so that one joint region (26A) is releasable in the axial direction in the conjugated other joint region ( 26B) of an adjacent guide body, and the joint areas are preferably a ball joint

Form articulated connection (27A, 27B) for the spatial deflection of adjacent guide bodies.

12. Cable routing device according to one of the preceding

Claims 1 to 10, characterized in that the guide bodies (34) are fixed axially spaced apart from one another on the supporting strand (11), the through opening (16) preferably having opposite mouth regions (36) which expand radially outward.

13. Cable routing device according to one of the preceding

Claims, in particular according to claim 6, characterized in that the central part (15A) of each guide body (14) comprises two one-piece support arms (20A, 20B), each of which has an inner clamping shell (21A, 21B) and a radial web (22A, 22B) The clamping shells can be connected in order to form the through opening (16) for the strand (11) and the webs (22A, 22B) have an outer end area to which the outer part (15B), in particular both peripheral elements, is connected (23). is or are.

14. Cable routing device according to one of the preceding

Claims, characterized in that the central part (15A) on the inside of the feed-through opening (16) has a clamping toothing (28) running transversely to the central axis (A) for axially securing the supporting strand (11) and / or the supporting strand as a supporting rope (11) made of plastic is executed and / or has a length of at least 5m, in particular at least 10m.

15. Cable routing device according to one of the preceding claims, characterized in that it has a first substantially vertically depending longitudinal section (12A) which has a first end (12C) connected to a consumer (M) to be supplied, a second essentially vertically depending longitudinal section (12B), which has a second end (12D), and comprises a loop (13) connecting the two depending longitudinal sections, and the supporting strand (11) extends beyond both ends (12C, 12D).

16. Guide body for a cable routing device according to one of claims 1 to 15, comprising a central part (15A) with an axial through opening (16) which forms a central axis (A) and through which a supporting strand (11) can be passed, and an outer part ( 15B) with at least one circumferential element (17), the circumferential element delimiting an accommodating area (L) which is open in the axial direction for the lines and is held on the central part (15A); characterized in that the peripheral element (17) is pivotally connected to the central part (15A); and or

 A fastening device (18) is provided on the central part (15A) for the stationary fastening of the central part (15A) to a supporting strand (11).

17. Guide body according to claim 16, characterized in that the peripheral element (17) has an elastic buffer (19) on the outside for damping radial impacts.

18. Guide body according to claim 16 or 17, characterized by the characterizing features according to one of claims 3 to 11.

19. drilling system (1) with a power turret (3) or top drive comprising a cable routing device (10) according to one of claims 1 to 15 for supplying the power turret.

20. Use of a cable routing device (11) according to one of claims 1 to 15 as a service loop in a land or offshore drilling rig (1), in a deep drilling rig or the like. , With two substantially vertically depending longitudinal sections (12A, 12B), which are connected by a loop (13).