US20030226927A1 - Deployment arrangement for elongated flexible connecting members - Google Patents
Deployment arrangement for elongated flexible connecting members Download PDFInfo
- Publication number
- US20030226927A1 US20030226927A1 US10/163,800 US16380002A US2003226927A1 US 20030226927 A1 US20030226927 A1 US 20030226927A1 US 16380002 A US16380002 A US 16380002A US 2003226927 A1 US2003226927 A1 US 2003226927A1
- Authority
- US
- United States
- Prior art keywords
- component
- deployment arrangement
- arrangement according
- flexible member
- annular space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 5
- 239000003831 antifriction material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229920000271 Kevlar® Polymers 0.000 claims description 2
- 239000004761 kevlar Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 239000002783 friction material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000576 coating method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/36—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables without essentially involving the use of a core or former internal to a stored package of material, e.g. with stored material housed within casing or container, or intermittently engaging a plurality of supports as in sinuous or serpentine fashion
- B65H75/362—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables without essentially involving the use of a core or former internal to a stored package of material, e.g. with stored material housed within casing or container, or intermittently engaging a plurality of supports as in sinuous or serpentine fashion with stored material housed within a casing or container
- B65H75/364—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables without essentially involving the use of a core or former internal to a stored package of material, e.g. with stored material housed within casing or container, or intermittently engaging a plurality of supports as in sinuous or serpentine fashion with stored material housed within a casing or container the stored material being coiled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/33—Hollow or hose-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6918—With hose storage or retrieval means
Definitions
- This invention relates to arrangements for coupling elongated flexible members such as cables and hoses having a limited twisting ability between a stationary component and a rotatable component.
- Flexible connecting members such as electrical cables and hoses, for example, are not designed to permit extensive twisting without loss of integrity.
- most such flexible members are subject to a limit of 400° of rotation between components to which they are connected. If more rotation is required slip rings have been used to transfer electrical power and control signals from one component to another but these must be centered on the axis of rotation and slip ring brushes are subject to wear which can result in failures.
- rotatable mechanical seals have been used to permit relative rotation of hoses and conduits which transfer fluids between stationary and rotating components, but these also must be centered on the axis of rotation and are prone to leakage and require periodic adjustment.
- Various attempts have been made to overcome the disadvantages of such conventional arrangements.
- the Betker et al. U.S. Pat. No. 5,566,900 discloses a cable takeup/payout system for a multi rotation assembly in which an interconnect cable is fixed at one end to a peripheral wall of a circular enclosure and at the other end to a mount located between two lobes of a central heart-shaped hub so as to enter the space between them in a radial direction. As the hub rotates with respect to the peripheral wall the cable can assume various configurations between the hub and the wall, including an S-shaped configuration.
- the Obata U.S. Pat. No. 5,328,112 shows an arrangement for controlling motion of a flexible flat cable between a hub and a peripheral wall in which the flat cable extends around a planet roll which is fitted with a planet gear enmeshed with a sun gear attached to the hub so that the cable is guided between the hub and the peripheral wall during relative rotation of those components.
- Another object of the invention is to provide a simple and convenient deployment arrangement for elongated flexible members permitting relative rotation between components to which the flexible members are attached up to 400° or more of rotation or more without producing excessive bending or compression of the members.
- a deployment arrangement having an annular space defined by two cylindrical walls of different diameter extending between a stationary component and a rotating component along with couplings for a flexible member extending into the annular space from each of the rotating and stationary components in the direction toward the other component.
- each of the couplings is shaped to assure that bending of the flexible member at the point of attachment is limited does not exceed the manufacturer's specification.
- the flexible member or the cylindrical walls defining the annular space and the adjacent surfaces of the rotating and stationary components can be treated to reduce dragging or binding of the flexible members as they move through the annular space, for example, by applying anti-friction coatings or rolling members on surfaces subject to frictional contact.
- FIG. 1 is a perspective view illustrating a representative embodiment of a deployment arrangement for flexible members in accordance with the invention
- FIG. 2 is a top perspective view schematically illustrating the components of the deployment arrangement in greater detail.
- FIG. 3 is a schematic side view of the deployment arrangement of the invention.
- a rotating component such as a platform 12 is disposed in spaced relation to a stationary component such as table 14 and an elongated flexible member 16 is connected at one end to a support assembly 18 mounted on the platform 12 and at the other end to another support assembly 20 mounted on the stationary component 14 .
- the elongated flexible member 16 may, for example, be a hose carrying a liquid or a gas under pressure, or a cable or bundle of wires carrying electrical power or control signals.
- Such flexible members are normally subject to limitations which prevent twisting of more than about 400° over convenient connecting lengths.
- two cylinders 22 and 24 of different diameter are mounted on the platform 12 and spaced to define an annular region 26 which includes the locations of the support assemblies 18 and 20 between their facing surfaces 28 and 30 , respectively.
- each support assembly 18 and 20 are arranged to introduce the flexible member 16 into the annular region 26 between the components 12 and 14 in a direction substantially perpendicular to the facing surfaces 28 and 30 of the platform 12 and the table 14 , respectively, and each support assembly includes a guard 32 with a surface 34 which is inclined outwardly away from the adjacent surface 28 or 30 to prevent excessive bending of the member 16 in the region adjacent to the support assembly.
- the outer edge of each guard 24 is spaced by a distance 36 from the adjacent surface 28 or 30 to prevent the flexible member from being bent at the location of the support assembly to an extent that exceeds the limit suggested by the manufacturer of the flexible member.
- the walls of the annular space 26 confine the flexible connecting member 16 during relative rotation of the components so that the flexible connecting member can attain various configurations such as S-shaped configurations which will not interfere with relative rotation of the components 12 and 14 or cause damage to the flexible member.
- the width 38 of the annular space 26 increases with the overall width of the deployment arrangement, providing enough margin to permit relative motion of the flexible member.
- the height 40 of the cylindrical members 22 and 24 which, together with the length of the flexible member 16 between the support assemblies 18 and 20 , limits the extent of relative rotation of the components, should preferably be greater than the sum of the distance 36 and four times the effective diameter of the deployment arrangement.
- each of the support assemblies 18 and 20 also has a support section 42 affixed by a mount 44 to the corresponding stationary or rotatable component 12 or 14 to guide the member 16 into the annular space 26 in a direction substantially perpendicular to the surface 28 or 30 of the component facing the space 26 .
- the flexible member 16 follows a combination of movements which includes, for example, folding over in an S-shape. With this arrangement, it is possible to permit relative angular motion of the two components 12 and 14 of more than 200° in each direction without causing damage to the flexible component.
- the inner surfaces of the cylindrical members 22 and 24 defining the annular space 26 may be coated with an anti-friction material such as polytetrafluoroethylene or may contain rolling elements such as balls or rollers to reduce frictional resistance to motion of the flexible member within the annular space.
- the flexible member 16 may have an anti-friction coating or outer layer such as a Kevlar woven sleeve.
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
In the embodiments described in the specification a deployment arrangement for elongated flexible members such as hoses and cables connected between spaced stationary and rotatable components includes two spaced cylinders of different diameter having walls defining an annular path in the space between the components and a support assembly on each component for supplying a flexible member into the annular space between the walls in a direction substantially perpendicular to the surface of the component facing the annular space. Each of the support assemblies includes a guide which limits the bending angle of the flexible member at the location in which it is introduced into the annular space.
Description
- This invention relates to arrangements for coupling elongated flexible members such as cables and hoses having a limited twisting ability between a stationary component and a rotatable component.
- Flexible connecting members such as electrical cables and hoses, for example, are not designed to permit extensive twisting without loss of integrity. For couplings of convenient length, most such flexible members are subject to a limit of 400° of rotation between components to which they are connected. If more rotation is required slip rings have been used to transfer electrical power and control signals from one component to another but these must be centered on the axis of rotation and slip ring brushes are subject to wear which can result in failures. Also, rotatable mechanical seals have been used to permit relative rotation of hoses and conduits which transfer fluids between stationary and rotating components, but these also must be centered on the axis of rotation and are prone to leakage and require periodic adjustment. Various attempts have been made to overcome the disadvantages of such conventional arrangements.
- The Betker et al. U.S. Pat. No. 5,566,900 discloses a cable takeup/payout system for a multi rotation assembly in which an interconnect cable is fixed at one end to a peripheral wall of a circular enclosure and at the other end to a mount located between two lobes of a central heart-shaped hub so as to enter the space between them in a radial direction. As the hub rotates with respect to the peripheral wall the cable can assume various configurations between the hub and the wall, including an S-shaped configuration.
- The Obata U.S. Pat. No. 5,328,112 shows an arrangement for controlling motion of a flexible flat cable between a hub and a peripheral wall in which the flat cable extends around a planet roll which is fitted with a planet gear enmeshed with a sun gear attached to the hub so that the cable is guided between the hub and the peripheral wall during relative rotation of those components.
- In the Fladung U.S. Pat. No. 5,358,190 connecting cables extending axially into a space between a fixed wall in a winding drum and a rotating wall pass through a central rotatable disc which divides the interior of the drum into two regions in which the connecting cables can be wound without interference with each other.
- According to the Nagaoka et al. U.S. Pat. No. 5,841,069 a flexible flat cable extending between a central hub and a peripheral drum is confined by a C-shaped movable body disposed within the space between the hub and the drum to maintain the flexible cable in a desired orientation.
- Accordingly, it is an object of the present invention to provide a deployment arrangement for elongated flexible members such as hoses, cables and the like extending between relatively rotatable components which overcomes disadvantages of the prior art.
- Another object of the invention is to provide a simple and convenient deployment arrangement for elongated flexible members permitting relative rotation between components to which the flexible members are attached up to 400° or more of rotation or more without producing excessive bending or compression of the members.
- These and other objects of the invention are attained by providing a deployment arrangement having an annular space defined by two cylindrical walls of different diameter extending between a stationary component and a rotating component along with couplings for a flexible member extending into the annular space from each of the rotating and stationary components in the direction toward the other component. In a preferred embodiment each of the couplings is shaped to assure that bending of the flexible member at the point of attachment is limited does not exceed the manufacturer's specification. If desired the flexible member or the cylindrical walls defining the annular space and the adjacent surfaces of the rotating and stationary components can be treated to reduce dragging or binding of the flexible members as they move through the annular space, for example, by applying anti-friction coatings or rolling members on surfaces subject to frictional contact.
- Further objects and advantages of the invention will be apparent from a reading of the following description in conjunction with the accompanying drawings, in which:
- FIG. 1 is a perspective view illustrating a representative embodiment of a deployment arrangement for flexible members in accordance with the invention;
- FIG. 2 is a top perspective view schematically illustrating the components of the deployment arrangement in greater detail; and
- FIG. 3 is a schematic side view of the deployment arrangement of the invention.
- In the typical embodiment of a flexible
member deployment arrangement 10 shown schematically in the drawings, a rotating component such as aplatform 12 is disposed in spaced relation to a stationary component such as table 14 and an elongatedflexible member 16 is connected at one end to asupport assembly 18 mounted on theplatform 12 and at the other end to anothersupport assembly 20 mounted on thestationary component 14. - The elongated
flexible member 16 may, for example, be a hose carrying a liquid or a gas under pressure, or a cable or bundle of wires carrying electrical power or control signals. Such flexible members are normally subject to limitations which prevent twisting of more than about 400° over convenient connecting lengths. - In order to guide the flexible member between the two
support assemblies components cylinders platform 12 and spaced to define anannular region 26 which includes the locations of thesupport assemblies surfaces - As best seen in FIG. 3, the support assemblies 18 and 20 are arranged to introduce the
flexible member 16 into theannular region 26 between thecomponents surfaces platform 12 and the table 14, respectively, and each support assembly includes aguard 32 with asurface 34 which is inclined outwardly away from theadjacent surface member 16 in the region adjacent to the support assembly. As shown in FIG. 3 the outer edge of eachguard 24 is spaced by adistance 36 from theadjacent surface - The walls of the
annular space 26 confine the flexible connectingmember 16 during relative rotation of the components so that the flexible connecting member can attain various configurations such as S-shaped configurations which will not interfere with relative rotation of thecomponents width 38 of theannular space 26 increases with the overall width of the deployment arrangement, providing enough margin to permit relative motion of the flexible member. Theheight 40 of thecylindrical members flexible member 16 between thesupport assemblies distance 36 and four times the effective diameter of the deployment arrangement. - As best seen in FIG. 2 each of the
support assemblies support section 42 affixed by amount 44 to the corresponding stationary orrotatable component member 16 into theannular space 26 in a direction substantially perpendicular to thesurface space 26. - As the
rotatable component 12 turns with respect to thestationary component 14 theflexible member 16 follows a combination of movements which includes, for example, folding over in an S-shape. With this arrangement, it is possible to permit relative angular motion of the twocomponents cylindrical members annular space 26 may be coated with an anti-friction material such as polytetrafluoroethylene or may contain rolling elements such as balls or rollers to reduce frictional resistance to motion of the flexible member within the annular space. Alternatively or in addition, theflexible member 16 may have an anti-friction coating or outer layer such as a Kevlar woven sleeve. - Although the invention has been described herein with reference to specific embodiments many modifications and variations therein will readily occur to those skilled in the art. Accordingly, all such variations and modifications are included within the intended scope of the invention.
Claims (11)
1. A deployment arrangement for a flexible member comprising:
a fixed component and a rotatable component having facing surfaces disposed in spaced relation;
a support assembly mounted on each of the stationary and rotatable components and arranged to guide a flexible member toward the space between the components in a direction substantially perpendicular to the adjacent surface of the component on which that support assembly is mounted including a guide for limiting the extent of bending of a flexible member supported by the support assembly; and
a pair of generally cylindrical members disposed in the space between the facing surfaces of the stationary and rotatable components defining an annular space which encompasses regions adjacent to the support assemblies during relative rotation of the rotatable component and the stationary component.
2. A deployment arrangement according to claim 1 including a flexible member connected between the support assembly mounted on the stationary component and the support assembly mounted on the rotatable component and having a length between the support components which is great enough to permit relative rotation between the stationary component and the rotatable component through an angle of at least 400°.
3. A deployment arrangement according to claim 1 wherein the height of the cylindrical wall extending between the facing surfaces is at least four times the diameter of the annular space.
4. A deployment arrangement according to claim 1 including a friction-reducing arrangement to reduce friction between the walls of the annular space and a flexible member moving in the annular space.
5. A deployment arrangement according to claim 4 wherein the walls defining the annular space are provided with a low friction material.
6. A deployment arrangement according to claim 4 wherein the walls defining the annular space are coated with polytetrafluoroethylene.
7. A deployment arrangement according to claim 4 wherein the walls defining the annular space are provided with rolling members.
8. A deployment arrangement according to claim 4 including a flexible member covered with an anti-friction material.
9. A deployment arrangement according to claim 8 wherein the anti-friction material is a Kevlar sleeve.
10. A deployment arrangement according to claim 1 wherein the guide includes a surface inclined away from the adjacent component in the direction away from the support assembly.
11. A deployment arrangement according to claim 1 wherein the support assembly includes a support which confines the flexible member in an orientation substantially perpendicular to the adjacent surface of the component in a region between the facing surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/163,800 US20030226927A1 (en) | 2002-06-06 | 2002-06-06 | Deployment arrangement for elongated flexible connecting members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/163,800 US20030226927A1 (en) | 2002-06-06 | 2002-06-06 | Deployment arrangement for elongated flexible connecting members |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20030226927A1 true US20030226927A1 (en) | 2003-12-11 |
Family
ID=29710056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/163,800 Abandoned US20030226927A1 (en) | 2002-06-06 | 2002-06-06 | Deployment arrangement for elongated flexible connecting members |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US20030226927A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323747A (en) * | 2011-09-27 | 2012-01-18 | 北京理工大学 | Assembly simulation method and device for flexible cable |
| US9499373B1 (en) * | 2015-06-18 | 2016-11-22 | Kum Oh Electronics Co., Ltd. | Cable retraction unit assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2334141A (en) * | 1942-03-26 | 1943-11-09 | Frank P Zierden | Hose reel |
| US2339901A (en) * | 1942-08-17 | 1944-01-25 | Frank P Zierden | Hose reel |
| US2872246A (en) * | 1957-04-04 | 1959-02-03 | Frank P Zierden | Hose reel mounting |
| US4360715A (en) * | 1980-01-25 | 1982-11-23 | Electric Power Research Institute, Inc. | Reel assembly for flexible tubing and the like |
| US4436250A (en) * | 1980-08-20 | 1984-03-13 | Metallwerk Max Brose Gmbh & Co. | Drive unit for a transport cable |
| US4874138A (en) * | 1987-04-22 | 1989-10-17 | Max-Planck-Gesellschaft Zur Foerderung Der Wissenschften E.V. | Rotary transmission device for a plurality of cables between two restrictedly rotatable structures |
| US5681131A (en) * | 1995-07-18 | 1997-10-28 | The Consumers' Gas Company Ltd. | Cable feeding system and umbilical cable therefor |
-
2002
- 2002-06-06 US US10/163,800 patent/US20030226927A1/en not_active Abandoned
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2334141A (en) * | 1942-03-26 | 1943-11-09 | Frank P Zierden | Hose reel |
| US2339901A (en) * | 1942-08-17 | 1944-01-25 | Frank P Zierden | Hose reel |
| US2872246A (en) * | 1957-04-04 | 1959-02-03 | Frank P Zierden | Hose reel mounting |
| US4360715A (en) * | 1980-01-25 | 1982-11-23 | Electric Power Research Institute, Inc. | Reel assembly for flexible tubing and the like |
| US4436250A (en) * | 1980-08-20 | 1984-03-13 | Metallwerk Max Brose Gmbh & Co. | Drive unit for a transport cable |
| US4874138A (en) * | 1987-04-22 | 1989-10-17 | Max-Planck-Gesellschaft Zur Foerderung Der Wissenschften E.V. | Rotary transmission device for a plurality of cables between two restrictedly rotatable structures |
| US5681131A (en) * | 1995-07-18 | 1997-10-28 | The Consumers' Gas Company Ltd. | Cable feeding system and umbilical cable therefor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323747A (en) * | 2011-09-27 | 2012-01-18 | 北京理工大学 | Assembly simulation method and device for flexible cable |
| US9499373B1 (en) * | 2015-06-18 | 2016-11-22 | Kum Oh Electronics Co., Ltd. | Cable retraction unit assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: ELECTRIC BOAT CORPORATION, CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VAN DINE, PIETER;BERGER, DAVID D., SR.;MACHINSKI, GREGORY;REEL/FRAME:013600/0374;SIGNING DATES FROM 20020523 TO 20020528 |
|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |