EP0837828A1 - Method and arrangement in connection with an accumulator of a cable or the like - Google Patents
Method and arrangement in connection with an accumulator of a cable or the likeInfo
- Publication number
- EP0837828A1 EP0837828A1 EP96910987A EP96910987A EP0837828A1 EP 0837828 A1 EP0837828 A1 EP 0837828A1 EP 96910987 A EP96910987 A EP 96910987A EP 96910987 A EP96910987 A EP 96910987A EP 0837828 A1 EP0837828 A1 EP 0837828A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- movable wheel
- cable
- force
- accumulator
- actuator
- 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.)
- Granted
Links
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
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/18—Driven rotary elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
Definitions
- the invention relates to a method in connection with an accumulator of a cable or the like, the accumulator being used to adjust the tension of the cable or the like during spooling, whereupon the cable or the like is made to pass around a movable wheel, preferably a movable wheel with a balancing spring, and the movable wheel provides the desired tension in the cable or the like.
- the invention further relates to an arrangement in connection with an accumulator of a cable or the like.
- This kind of accumulators are known at present especially in the cable industry, where the accumulator is used as a device that adjusts the cable tension to the desired level for example during spooling.
- the accumulator comprises a movable wheel, which provides the cable with the desired force or tension.
- the force is produced in the cable either by the mass of the movable wheel or by a separate actuator, which acts on the movable wheel .
- the actuator may be for example a hydraulic or pneumatic cylinder, electric motor, solenoid or some other corresponding apparatus. In apparatuses utilizing the mass, tension can be adjusted simply by changing the position of the weight attached to the movable wheel .
- the movable wheel may also comprise an associated balance system provided by means of a spring.
- the balancing spring is used since the mass of the movable wheel causes a certain tension in the cable with its gravity, and since the tension caused by this mass may be greater than the desired minimum tension of the cable; it is thus necessary to reduce the mass of the movable wheel for example with a spring.
- the purpose of the invention is to provide a method and arrangement by means of which the prior art drawbacks can be eliminated. This is achieved with the invention.
- the method according to the invention is characterized by first measuring the acceleration and speed of the movable wheel, then determining the additional force resulting from the inertial mass of the movable wheel at the acceleration measured, and then adding the aforementioned additional force to the force applied by an actuator of the movable wheel on the movable wheel or subtracting the aforementioned additional force from the force applied by the actuator of the movable wheel on the movable wheel .
- the arrangement according to the invention is in turn characterized in that the arrangement comprises first means arranged to measure the acceleration and speed of the movable wheel, second means arranged to determine the additional force resulting from the inertial mass of the movable wheel at the acceleration measured, and third means arranged to add the aforementioned additional force to the force applied by an actuator of the movable wheel on the movable wheel or to subtract the aforementioned additional force from the force applied by the actuator of the movable wheel on the movable wheel .
- An alternative embodiment of the method according to the invention is characterized by first measuring the position of the movable wheel, then determining the spring force dependent on the spring constant of the spring balancing the movable wheel and on the position of the movable wheel, and adding the aforementioned additional force to the force applied by an actuator of the movable wheel on the movable wheel or subtracting the aforementioned additional force from the force applied by the actuator of the movable wheel on the movable wheel .
- An alternative embodiment of the arrangement according to the invention is in turn characterized in that the arrangement comprises first means arranged to measure the position of the movable wheel, second means arranged to determine the spring force dependent on the spring constant of the spring balancing the movable wheel and on the position of the movable wheel, and third means arranged to add the aforementioned additional force to the force applied by an actuator of the movable wheel on the movable wheel or to subtract the aforementioned additional force from the force applied by the actuator of the movable wheel on the movable wheel.
- the primary advantage of the invention is that the additional force caused by the inertial mass of the accumulator can be compensated for when the accumulator is in the accelerating state.
- the tension caused by the accumulator in the cable or the like is also constant regardless of the acceleration of the accumulator.
- Another advantage is that the variable force depending on the position and caused by the balancing spring of the accumulator can be compensated for. Therefore the tension produced by the accumulator in the cable or the like is constant regardless of the position of the accumulator and the balancing force of the spring.
- a further advantage of the invention is its simplicity with respect to the advantages it provides, which makes the invention inexpensive to implement.
- Reference numeral 1 in the figure generally denotes an accumulator of a spooler.
- Reference numeral 2 denotes a movable wheel around which a cable or the like 3 is applied.
- the movable wheel 2 provides the cable or the like 3 with a desired tension.
- the force producing the tension T in the cable or the like is provided with an actuator 4, which may be for example a pneumatic cylinder.
- the actuator 4 is arranged in the example of the figure to act on the movable wheel 2 in such a way that the wheel moves according to the arrows marked in the figure.
- the level of the tension produced by the actuator 4 in the cable can be adjusted by regulating the actuator by means of a valve element 5.
- the force producing the tension can also be provided by means of the mass of the movable wheel 2.
- Reference numeral 6 denotes a spring balancing the load of the movable wheel.
- the structure and the operation of the accumulator constitute fully conventional technology to a person skilled in the art, wherefore they will not be described in greater detail in this connection. It is only stated that the cable or the like 3 is guided onto the movable wheel 2 by means of suitably positioned guide wheels, as shown in the figure. According to an essential feature of the invention, the additional force, which may result from the inertial forces of the movable wheel 2 or from the position of the movable wheel 2 and the spring constant of the spring 6, is measured. The aforementioned additional force is taken into account when determining the force that is provided in the cable or the like 3 by means of the actuator 4.
- the aforementioned essential feature can be implemented by first measuring the acceleration and speed of the movable wheel 2 and by then determining the additional force resulting from the inertial mass of the movable wheel 2 at the acceleration measured.
- the additional force is added to the force that the actuator 4 of the movable wheel 2 applies on the movable wheel or it is subtracted from the force the actuator 4 of the movable wheel 2 applies thereon, depending on whether the additional force is positive or negative in the situation.
- the essential feature of the invention can also be implemented by first measuring the position of the movable wheel 2, then determining the spring force dependent on the spring constant of the spring 6 balancing the movable wheel 2 and on the position of the movable wheel 2.
- the aforementioned additional force is added to the force that the actuator 4 of the movable wheel 2 applies on the movable wheel or it is subtracted from the force the actuator 4 of the movable wheel 2 applies on the movable wheel, depending on whether the additional force is positive or negative in the situation.
- the acceleration and speed of the movable wheel 2 can be measured by means of first means 7.
- the first means 7 can also measure the position of the movable wheel 2.
- the arrangement also comprises second means 8 that are arranged to determine the additional force resulting from the inertial mass of the movable wheel 2 at the acceleration measured above.
- the second means 8 can also determine the additional force, i.e.
- the arrangement also comprises third means 9 that are arranged either to add the aforementioned additional force to the force applied by the actuator 4 of the movable wheel 2 on the movable wheel or to subtract it from the force of the actuator 4, as described above.
- the means 8 and 9 can be positioned in a control unit 10, as in the example of the figure.
- the means 8 and 9 can be implemented for example by means of suitable processors and programming.
- the invention provides a uniform tension of exactly the desired level within the entire operating range of the accumulator.
- the actuator may be for example a hydraulic cylinder, an electric actuator etc.
- the accumulator may ' consist of a lever construction as in the example of the figure, or of a linear accumulator wherein the movable wheel moves rectilinearly in the vertical direction.
- the invention is not restricted to cables, either, but it can be used for example in connection with ropes, cable wires, wires and other similar products. Even though the invention is described above by means of an embodiment related to a cable spooler, it should be noted that the invention is not restricted in any way to spoolers, but it can also be applied in other connections.
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
- Electric Cable Installation (AREA)
- Communication Cables (AREA)
- Bridges Or Land Bridges (AREA)
- Ropes Or Cables (AREA)
- Paper (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI953342A FI97795C (en) | 1995-07-06 | 1995-07-06 | Method and apparatus for accumulating a cable or the like |
FI953342 | 1995-07-06 | ||
PCT/FI1996/000220 WO1997002203A1 (en) | 1995-07-06 | 1996-04-23 | Method and arrangement in connection with an accumulator of a cable or the like |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0837828A1 true EP0837828A1 (en) | 1998-04-29 |
EP0837828B1 EP0837828B1 (en) | 2001-10-17 |
Family
ID=8543751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96910987A Expired - Lifetime EP0837828B1 (en) | 1995-07-06 | 1996-04-23 | Method and arrangement in connection with an accumulator of a cable or the like |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0837828B1 (en) |
JP (1) | JPH11508527A (en) |
KR (1) | KR100436387B1 (en) |
CN (1) | CN1190378A (en) |
AT (1) | ATE207033T1 (en) |
AU (1) | AU5401296A (en) |
DE (1) | DE69616061T2 (en) |
FI (1) | FI97795C (en) |
WO (1) | WO1997002203A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021148922A1 (en) * | 2020-01-20 | 2021-07-29 | Lohia Corp Limited | A winding apparatus and a method for winding continuously arriving yarn or slit film tapes |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112464B (en) * | 1998-04-17 | 2003-12-15 | T Drill Oy | Dispensing device with adjustable force for roll-packed materials |
EP1975106B1 (en) * | 2007-03-26 | 2012-07-18 | Lunatone Industrielle Elektronik GmbH | Yarn tension |
EP3615464A1 (en) * | 2017-04-24 | 2020-03-04 | Bartell Machinery Systems L.L.C | Modular festoon system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0090504A1 (en) * | 1982-03-04 | 1983-10-05 | DAVID PARR & ASSOCIATES LIMITED | Spooling machines |
GB8421448D0 (en) * | 1984-08-23 | 1984-09-26 | Taliana Sa | Coiling pile weatherstrip |
-
1995
- 1995-07-06 FI FI953342A patent/FI97795C/en not_active IP Right Cessation
-
1996
- 1996-04-23 WO PCT/FI1996/000220 patent/WO1997002203A1/en active IP Right Grant
- 1996-04-23 JP JP9504845A patent/JPH11508527A/en active Pending
- 1996-04-23 AU AU54012/96A patent/AU5401296A/en not_active Abandoned
- 1996-04-23 AT AT96910987T patent/ATE207033T1/en not_active IP Right Cessation
- 1996-04-23 EP EP96910987A patent/EP0837828B1/en not_active Expired - Lifetime
- 1996-04-23 CN CN96195319A patent/CN1190378A/en active Pending
- 1996-04-23 KR KR1019970709529A patent/KR100436387B1/en not_active IP Right Cessation
- 1996-04-23 DE DE69616061T patent/DE69616061T2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9702203A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021148922A1 (en) * | 2020-01-20 | 2021-07-29 | Lohia Corp Limited | A winding apparatus and a method for winding continuously arriving yarn or slit film tapes |
Also Published As
Publication number | Publication date |
---|---|
WO1997002203A1 (en) | 1997-01-23 |
DE69616061T2 (en) | 2002-03-14 |
KR100436387B1 (en) | 2004-10-14 |
KR19990028218A (en) | 1999-04-15 |
JPH11508527A (en) | 1999-07-27 |
CN1190378A (en) | 1998-08-12 |
FI953342A0 (en) | 1995-07-06 |
FI97795C (en) | 1997-02-25 |
FI97795B (en) | 1996-11-15 |
ATE207033T1 (en) | 2001-11-15 |
AU5401296A (en) | 1997-02-05 |
EP0837828B1 (en) | 2001-10-17 |
DE69616061D1 (en) | 2001-11-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4790606A (en) | Apparatus for the measurement and/or regulation of a braking force and/or of a braking torque | |
KR100299466B1 (en) | Controllers for controlling moving objects, control methods and sensors for use in those controllers | |
US5731528A (en) | Rope tension measuring apparatus for use with an elevator | |
JP3628814B2 (en) | Method and apparatus for measuring loads in a lift cage | |
EP0402790B1 (en) | Procedure for damping the sway of the load of a crane | |
US6488128B1 (en) | Integrated shaft sensor for load measurement and torque control in elevators and escalators | |
EP0507631A1 (en) | Method and apparatus for testing two or four wheel drive vehicles under simulated road conditions | |
JP2625550B2 (en) | Method and apparatus for measuring load in elevator | |
EP0837828B1 (en) | Method and arrangement in connection with an accumulator of a cable or the like | |
KR890001857A (en) | Method for Providing Load Compensation Signal to Traction Elevator System | |
GB2136582A (en) | Measuring electrically parameters of a cable being laid | |
FI96673B (en) | Elevator operation with control device for jerk-free movement | |
JP4839006B2 (en) | Elevator load detection device | |
ATE27134T1 (en) | MEASURING AND CONTROL DEVICE FOR LOADS ATTACHED TO ROPES, PARTICULARLY FOR THEATER POINT TRAINS. | |
EP0805961A1 (en) | A method and a device for two-shaft force measurement and its application to the determination of tensile force and varying deflection angle in a continuous web | |
US4166590A (en) | Process and apparatus for maintaining a constant material web speed during winding operations | |
GB2114319A (en) | Equipment for controlling the drive element of a horizontal movement | |
EP0114365A2 (en) | Wire or thread tension controlling dancer roller device | |
DE3360459D1 (en) | Heave compensating device for a submerged load suspended from a vessel | |
US5060764A (en) | Velocity control method for elevator | |
JPH1160089A (en) | Method and device for adjusting drive | |
EP0030134B1 (en) | Elevator cab load measuring system | |
Hind | An experimental investigation of the mechanical losses due to the bending of wire ropes over sheaves under load | |
SU895910A1 (en) | Apparatus for balancing suspended cargo | |
JPS6117367Y2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19980115 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT CH DE ES FR GB IT LI NL SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NEXTROM HOLDING S.A. |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
17Q | First examination report despatched |
Effective date: 20001218 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT CH DE ES FR GB IT LI NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20011017 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20011017 |
|
REF | Corresponds to: |
Ref document number: 207033 Country of ref document: AT Date of ref document: 20011115 Kind code of ref document: T |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: BOVARD AG PATENTANWAELTE Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 69616061 Country of ref document: DE Date of ref document: 20011122 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020117 |
|
ET | Fr: translation filed | ||
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20020430 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20070403 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20070427 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20070531 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20070425 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20070417 Year of fee payment: 12 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20080423 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080430 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081101 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080430 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20081231 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080423 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080430 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080423 |