EP2325394B1 - Method and device for applying a liquid to a rope - Google Patents
Method and device for applying a liquid to a rope Download PDFInfo
- Publication number
- EP2325394B1 EP2325394B1 EP10191024.8A EP10191024A EP2325394B1 EP 2325394 B1 EP2325394 B1 EP 2325394B1 EP 10191024 A EP10191024 A EP 10191024A EP 2325394 B1 EP2325394 B1 EP 2325394B1
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- European Patent Office
- Prior art keywords
- rope
- liquid
- applying
- components
- motor
- Prior art date
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- 239000007788 liquid Substances 0.000 title claims description 72
- 238000000034 method Methods 0.000 title claims description 31
- 238000000576 coating method Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 42
- 239000010410 layer Substances 0.000 description 12
- 239000000725 suspension Substances 0.000 description 11
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000012512 characterization method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
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- 238000013016 damping Methods 0.000 description 1
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- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/12—Machine details; Auxiliary devices for softening, lubricating or impregnating ropes, cables, or component strands thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
Definitions
- the present invention is a method for applying a liquid to a rope and a device for applying a liquid to a rope.
- Methods and apparatus can be used in particular for the examination, cleaning, repair and application of coatings and for marking of supporting ropes, as they are used for example on bridges or similar structures.
- Ropes or bars which are installed to transfer tensile forces stationary into technical structures, such as rope or suspension bridges, must be inspected regularly to prevent the risk to third parties and the structures themselves by unexpected ruptures of the ropes or rods. For this it is often necessary to apply liquid inspection systems or indicator fluids to the ropes to detect damage or corrosion. In addition, the ropes must be cleaned, coated and marked and their coatings repaired. So far, this work has been done on ropes or rods over manned inspection equipment and aerial work platforms. Unmanned inspection devices are known, for example from the DE 203 11 395 U 1 and the not previously published German patent application DE 10 2008 049 942.0 , Furthermore, from the US 2,858,555 a device for cleaning or painting of ropes known.
- the object of the following invention is to provide a method and a device, with the even from work on ropes of great length from the state of Technique known disadvantages can be at least partially overcome and in particular an unmanned liquid application can be made on a rope. This task is achieved by a method and an apparatus having the features of the independent claims.
- the inventive method for applying a liquid to a rope in which a rope is driven by a device comprising at least three rollers which are non-positively connected to the rope, wherein at least one roller is driven by at least one motor, so that the device The rope is movable on the rope, wherein the at least one motor is controlled so that the device anf tone predeterminable positions on the rope reproducible, characterized by the fact that at least temporarily at least one liquid is applied at least in some areas on the rope.
- An embodiment of the method according to the invention is preferred in which a rope to be inspected is driven by an inspection device which carries at least one inspection device for receiving data for characterizing the condition of the rope, wherein the inspection device comprises at least three rollers which are non-positively connected to the rope, wherein at least one roller is driven by at least one motor, so that the inspection device is movable on the rope, characterized in that the at least one motor is controllable so that the inspection device anförbarer positions on the rope reproducible anang and data for state characterization of Ropes are taken at least temporarily.
- the inspection device may be part of the device for driving the rope according to the method according to the invention or this part of an inspection device.
- the term "rope” in the sense of the present invention is understood to mean an element which is suitable for receiving of tensile forces is suitable.
- the term “rope” includes a rope and a rod, as they are installed, for example in rope or suspension bridges and / or a plurality of ropes, which together form such a rope for a rope or suspension bridge and in particular in a pipe , preferably made of metal and / or a plastic, are guided.
- the device is unmanned, so it can drive automatically or remotely controlled the rope, especially in the installed state as a rope in suspension bridges.
- the device is in contact with the rope.
- a non-positive connection between the rollers and the rope is generated.
- all roles are driven by a common or role-specific engine and are driven so.
- the device is moved on the rope.
- a corresponding control of the motor which includes, for example, a stepper motor and / or based on data of a corresponding sensor for position determination, a reproducible control of a specific position on the rope and / or a position-resolved data acquisition takes place on the rope.
- the liquid which may consist of one or more components, may in particular be paint, coating, a contact liquid and / or an analysis liquid with which the rope or its coating can be examined for possible defects or anomalies.
- a contact liquid is understood to mean, in particular, a liquid via which a contact to an analyzer, for example an ultrasound, can be produced.
- the contact liquid is used in particular for coupling the ultrasonic signal in the upper surface layers on the rope.
- the contact liquid comprises a liquid having a viscosity higher than that of water in the temperature range from 5 ° C (degrees Celsius) to 50 ° C.
- the contact liquid is preferably applied in such a way that a layer of contact liquid forms between an ultrasonic sensor and the cable.
- the pressing force of the rollers is controlled to the rope.
- this can be done based on the slip data of the roles on the rope.
- the control of the contact pressure is carried out in particular depending on the surface condition of the rope and in particular its corrosion protection, which must not be damaged.
- the contact force of the rollers can be varied by appropriate Anpressmotoren or manually by a corresponding bias of elastic elements on the roller suspensions and the roll material.
- the pendulum shear stress of the rope is less than 2% (percent) of the adhesive tensile strength of the surface layer, preferably a paint, on the rope.
- point h will be understood to mean the mechanical cleaning of the rope by means of small brushes and wipers, which are mounted in front of the rollers.
- Magnetic field detection is the measurement of induced magnetic fields in the cable. Under measurements by optical means, in particular the recording of data by means of one or more image recording devices, such as. B. cameras understood. The recording of the vibration modes can be done in particular by appropriately trained inertial sensors. By measuring a layer thickness of a layer near the surface, in particular the determination of the layer thickness of a paint and / or the corrosion protection layers, such. B. galvanizing on a rope understood by magnetic or eddy current method. By ultrasound measurements, the introduction of an ultrasound signal into the cable surface and measurement of its reflection at boundary layers are called whose disturbances are thus imaged.
- Measurements of the hardness of the material can be made, in particular, on a corrosion protection layer and / or a coat of the rope and / or underlying layers, preferably by suitably designed sensors in which a defined force is exerted on the cable with a corresponding probe on a defined surface and the corresponding deformation resistance of the material is determined.
- the data is transmitted to a receiver.
- This transmission can in particular be wireless, for example via the formation of a wireless network (W-LAN) or wired.
- the receiver may in this case preferably be formed on the bottom or on the surface of the structure to be inspected, for example the bridge. Due to the often large amount of data to be transmitted, the long transfer paths and the design of the ropes usually made of steel with the corresponding electromagnetic interference, a wired transmission to the receiver is preferred. Commercially available and special network cables can be used for this purpose.
- the device and / or inspection device is preferably to be supplied with power via the same or another cable so as to save weight in the construction of the device and / or inspection device by saving the weight of the accumulators or batteries.
- location information is recorded with the data, which are correlated with the position on the cable during the recording of the data.
- These may in particular be specifications of the stepping motor, for example a number of steps taken. It may also be data from an angle encoder that detects the roll rotations. Furthermore, it is alternatively or additionally possible to record calibration or calibration data of the location information, in which, for example, the distance traveled is recorded on the cable after a specific initialization and stored with it.
- the liquid application by spraying is particularly suitable for ropes with a rough or textured surface, as the liquid can also be easily introduced into small spaces on the surface of the rope.
- the wear of the nozzles for spraying the liquid is comparatively low.
- two-color examination systems are used to detect cracks in the rope.
- two different liquids are successively applied to the rope, which react with each other and can show cracks in welds by a color change.
- indicator liquids are used which react with deposits or corrosion products on the rope and also indicate these by color change.
- the method according to the invention is also suitable for repairing coatings and for applying coatings to the rope.
- several layers and components of an applied anti-corrosion and paint system can be applied in one or more components to the cable surface at predefinable positions in one or more operations in larger areas. In this way, either individual sections that can be limited in length and on the circumference of the rope or the entire rope are treated.
- an ultrasonic sensor is formed, by means of which corresponding ultrasound signals are generated, which are coupled via the contact liquid into at least the near-surface layers or regions of the rope and can be recorded with the reflected signals from the cable.
- a device for applying a liquid to a rope comprising at least three rollers, by means of which the cable is to be driven with the device, wherein at least one roller is driven by a motor, so that the device on Rope is movable, wherein a control means is formed, by means of which the motor is controlled so that predeterminable positions on the rope are reproducible approachable, wherein at least one application means is formed, by means of which at least one liquid can be applied to the rope.
- this device may be part of an inspection device or an inspection device part of this device, wherein the inspection device for inspecting ropes comprises at least three rollers, by means of which the rope to be inspected with the inspection device is to drive and at least one inspection device for receiving data for state characterization of the rope. At least one roller is drivable by a motor, so that the inspection device is movable on the rope.
- a control means is formed, by means of which the motor is controlled so that predeterminable positions on the rope are reproducibly approached.
- the contact pressure of the contact pressure on the rope is adjustable.
- a sensor for measuring self-induced or externally induced local magnetic fields is a device by means of which a magnetic field can be induced in the rope to be inspected, which is subsequently measured. Disturbances of the existing or induced homogeneous magnetic field may indicate wire breaks in the rope.
- the device and / or inspection device comprises a plurality of cameras and in particular several types of cameras, preferably with a kind of cameras a positionally accurate image, preferably a lower resolution, in particular for simultaneously transmitting and / or viewing the data for immediate local inspection of the rope during the Driving at higher speed is shown and recorded.
- a second type of camera is designed for the high-resolution optical inspection of the rope in exact position after the drive.
- the spray unit and the nozzle are preferably used for liquids with low viscosity application.
- the two-component nozzle is suitable for simultaneously applying two liquid components with low viscosity to the surface of the rope.
- a brush and / or a roller are preferably used for liquids of higher viscosity.
- the at least one brush can be used to clean the rope and / or to apply the liquid to the rope.
- At least one tank for receiving a liquid is formed.
- At least one conveying means is provided for conveying the at least one liquid which is connected to the tank and the at least one application means.
- conveying means compressors for the production of compressed air, membrane and / or peristaltic pumps, as well as hose systems with valves understood. These are advantageously suitable for to carry the entrained liquids from the tank to the corresponding application agent.
- a mixer for mixing at least two liquids is formed.
- the mixer is designed as a flow-tube mixer.
- FIG. 1 shows a cross section of a device according to the invention 2. This is used to apply at least one liquid on the surface of a rope 1, for example, a rope of a rope or suspension bridge.
- the device 2 is connected via rollers 3, which are formed of soft rubber, non-positively connected to the specific strand for liquid application.
- rollers 3 which are formed of soft rubber, non-positively connected to the specific strand for liquid application.
- the device 2 contains as application means 5, 6 a nozzle 5 and a roller 6, with which a liquid can be applied to the cable 1.
- the nozzle 5 is connected via a mixer 4 and via conveyor 8 to the tank 7, so that the entrained liquid from the tank 6 to the nozzle 5 is transportable.
- FIG. 2 shows a further cross section of a device according to the invention 2. This is compared to FIG. 1 equipped with two nozzles 5.
- the Figures 3 and 4 each show an inspection device 2 for inspecting a rope 1.
- At least one inspection device 10 is formed on a measuring device carrier 9. These inspection devices 10 include cameras 11 and magnetic field measuring devices 12.
- the rollers 3 are mounted in wheel suspensions 13.
- the data supplied by the inspection devices 10 and in particular the cameras 11 and magnetic field measuring devices 12 are evaluated in a measurement evaluation means 14 and possibly transmitted to a receiver (not shown).
- a control means 15 is formed, by means of which the motor 16 is monitored and driven to drive the rollers 3.
- the control means 15 comprise position counters for determining location information so that it can be correlated and stored with the data supplied by the inspection devices 10, and optionally thrust force sensors.
- Fig. 5 shows a further embodiment of a device 2 according to the invention, which is movable over rollers 3 on the rope 1.
- the frictional connection of the rollers 3 to the rope 1 is basically as in Fig. 3 shown designed.
- a tank 7 for the liquid, in particular for a one- or multi-component paint and / or coating and a conveyor 8 is formed on a support 17, a tank 7 for the liquid, in particular for a one- or multi-component paint and / or coating and a conveyor 8 is formed.
- the conveying means 8 preferably a pump
- the liquid is fed via a metering means 18 via at least one nozzle 5 to the surface of the rope 1.
- the dosing agent can also be designed as a mixer 4, in which a plurality of components of the liquid are mixed with one another.
- Preferred is an embodiment with three or more nozzles 5, which are preferably formed in the circumferential direction so that substantially the entire circumference of the rope 1 can be provided with the liquid.
- the device 2 is moved via the motor 16, not shown here, in a direction of movement 19.
- at least one brush 20 is formed.
- These are preferably designed to rotate in a direction of rotation 21 and are driven in rotation by a brush drive 22.
- the brush are formed in the direction of movement 19 behind the nozzle 5, the liquid is uniformly distributed over the surface of the rope 1.
- several brushes 20 are formed in the circumferential direction of the rope 1, in particular four or more.
- the application means thus comprises the at least one nozzle 5 and the at least one brush 20.
- Fig. 6 shows a further embodiment of a device 2 according to the invention, similar to the embodiment in FIG Fig. 5 educated is.
- a tank 7 is designed for a liquid, in particular a tank for a cleaning agent, for example, with surfactants added water.
- the liquid is applied via at least one nozzle 5 to the surface of the rope 1.
- a plurality of nozzles 5 are preferably formed in the circumferential direction of the rope 1, so that substantially the entire circumference of the rope 1 can be provided with liquid.
- the at least one nozzle 5 is preferably formed in a washing chamber 23, which is movable with the device 2 via the cable 1.
- the device 2 is moved in a direction of movement 19, in which the nozzle 5 is formed in front of at least one brush 24.
- the at least one brush 24 is excited to vibrate via one or more vibration motors 25.
- the relative movement of the vibrating brushes 24 relative to the cable 1 cause a further improved cleaning performance.
- the liquid can preferably be returned to the tank 7 via a return line 26 and reused.
- the method according to the invention and the device 2 according to the invention allow an automated and unmanned examination, cleaning, repair of coating and marking of cables, for example, suspension bridges.
- a defect on the rope with the device can be specifically approached and repaired.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
Gegenstand der vorliegenden Erfindung ist ein Verfahren zum Auftragen einer Flüssigkeit auf ein Seil sowie eine Vorrichtung zum Auftragen einer Flüssigkeit auf ein Seil. Verfahren und Vorrichtung lassen sich insbesondere zur Untersuchung, Reinigung, zur Reparatur und zum Auftrag von Beschichtungen und zur Markierung von tragenden Seilen, wie sie beispielsweise an Brücken oder ähnlichen Bauwerken eingesetzt werden, anwenden.The present invention is a method for applying a liquid to a rope and a device for applying a liquid to a rope. Methods and apparatus can be used in particular for the examination, cleaning, repair and application of coatings and for marking of supporting ropes, as they are used for example on bridges or similar structures.
Seile oder Stäbe, die zur Übertragung von Zugkräften stationär in technische Strukturen, wie beispielsweise Seil- oder Hängebrücken eingebaut werden, sind regelmäßig zu inspizieren, um die Gefährdung Dritter und der Bauwerke selber durch unerwartete Brüche der Seile oder Stäbe zu verhindern. Dazu ist es häufig erforderlich, flüssige Untersuchungssysteme oder Indikatorflüssigkeiten auf die Seile aufzutragen, um Beschädigungen oder Korrosionen festzustellen. Zudem müssen die Seile gereinigt, beschichtet und markiert sowie deren Beschichtungen repariert werden. Bisher haben diese Arbeiten an Seilen oder Stäben über bemannte Inspektionsgeräte und Hubarbeitsbühnen stattgefunden. Auch unbemannte Inspektionsgeräte sind bekannt, beispielsweise aus der
Da bei den genannten Arbeiten an den Seilen oder Stäben insbesondere bei Hänge- oder Seilbrücken oft große Seillängen zu inspizieren und bearbeiten sind - Seillängen von mehreren hundert Metern Länge sind üblich - liegt der folgenden Erfindung die Aufgabe zu Grunde, ein Verfahren und eine Vorrichtung anzugeben, mit der auch bei Arbeiten an Seilen großer Länge die aus dem Stand der Technik bekannten Nachteile zumindest teilweise überwunden werden können und insbesondere ein unbemannter Flüssigkeitsauftrag auf ein Seil erfolgen kann. Diese Aufgabe wird gelöst durch ein Verfahren und eine Vorrichtung mit den Merkmalen der unabhängigen Ansprüche.Since in the mentioned work on the ropes or rods, in particular in suspension or rope bridges, large rope lengths are often to be inspected and processed - rope lengths of several hundred meters in length are common - the object of the following invention is to provide a method and a device, with the even from work on ropes of great length from the state of Technique known disadvantages can be at least partially overcome and in particular an unmanned liquid application can be made on a rope. This task is achieved by a method and an apparatus having the features of the independent claims.
Die jeweiligen abhängigen Ansprüche sind auf vorteilhafte Weiterbildungen gerichtet.The respective dependent claims are directed to advantageous developments.
Das erfindungsgemäße Verfahren zum Auftragen einer Flüssigkeit auf ein Seil, bei dem ein Seil mit einer Vorrichtung befahren wird, die mindestens drei Rollen umfasst, die kraftschlüssig mit dem Seil verbunden sind, wobei mindestens eine Rolle durch mindestens einen Motor angetrieben wird, so dass die Vorrichtung am Seil verfahrbar ist, wobei der mindestens eine Motor so ansteuerbar ist, dass die Vorrichtung vorbestimmbare Positionen an dem Seil reproduzierbar anfährt, zeichnet sich dadurch aus, dass zumindest zeitweise mindestens eine Flüssigkeit zumindest in Teilbereichen auf das Seil aufgetragen wird.The inventive method for applying a liquid to a rope, in which a rope is driven by a device comprising at least three rollers which are non-positively connected to the rope, wherein at least one roller is driven by at least one motor, so that the device The rope is movable on the rope, wherein the at least one motor is controlled so that the device anfstellbar predeterminable positions on the rope reproducible, characterized by the fact that at least temporarily at least one liquid is applied at least in some areas on the rope.
Bevorzugt ist eine Ausgestaltung des erfindungsgemäßen Verfahrens, beim dem ein zu inspizierendes Seil mit einer Inspektionsvorrichtung befahren wird, die mindestens ein Inspektionsgerät zur Aufnahme von Daten zur Zustandscharakterisierung des Seiles trägt, wobei die Inspektionsvorrichtung zumindest drei Rollen umfasst, die kraftschlüssig mit dem Seil verbunden sind, wobei mindestens eine Rolle durch mindestens einen Motor angetrieben wird, so dass die Inspektionsvorrichtung am Seil verfahrbar ist, zeichnet sich dadurch aus, dass der mindestens eine Motor so ansteuerbar ist, dass die Inspektionsvorrichtung vorbestimmbare Positionen an dem Seilen reproduzierbar anfährt und wobei Daten zur Zustandscharakterisierung des Seiles zumindest zeitweise aufgenommen werden.An embodiment of the method according to the invention is preferred in which a rope to be inspected is driven by an inspection device which carries at least one inspection device for receiving data for characterizing the condition of the rope, wherein the inspection device comprises at least three rollers which are non-positively connected to the rope, wherein at least one roller is driven by at least one motor, so that the inspection device is movable on the rope, characterized in that the at least one motor is controllable so that the inspection device anförbarer positions on the rope reproducible anfährt and data for state characterization of Ropes are taken at least temporarily.
Die Inspektionsvorrichtung kann Teil der Vorrichtung zur Befahrung des Seils gemäß dem erfindungsgemäßen Verfahren oder diese Teil einer Inspektionsvorrichtung sein. Unter dem Begriff "Seil" im Sinne der vorliegenden Erfindung wird ein Element verstanden, welches zur Aufnahme von Zugkräften geeignet ist. Insbesondere umfasst der Begriff "Seil" ein Seil und einen Stab, wie sie beispielsweise in Seil- oder Hängebrücken verbaut werden und/oder auch eine Mehrzahl von Seilen, die gemeinsam ein solches Seil für eine Seil- oder Hängebrücke bilden und die insbesondere in einem Rohr, bevorzugt aus Metall und/oder einem Kunststoff, geführt werden. Die Vorrichtung ist unbemannt, kann also automatisch oder ferngesteuert das Seil befahren, insbesondere im verbauten Zustand als Standseil bei Hängebrücken. Durch die mindestens drei, bevorzugt vier Rollen, steht die Vorrichtung mit dem Seil im Kontakt. Hierbei wird eine kraftschlüssige Verbindung zwischen den Rollen und dem Seil erzeugt. Bevorzugt sind sämtliche Rollen mit einem gemeinsamen oder rollenindividuellen Motor antreibbar und werden so angetrieben. Durch den Antrieb wenigstens einer Rolle wird die Vorrichtung am Seil verfahren. Durch eine entsprechende Ansteuerung des Motors, der beispielsweise einen Schrittmotor umfasst und/oder basierend auf Daten eines entsprechenden Sensors zur Positionsbestimmung erfolgt eine reproduzierbare Ansteuerung einer bestimmten Position am Seil und/oder eine positionsaufgelöste Datenaufnahme am Seil.The inspection device may be part of the device for driving the rope according to the method according to the invention or this part of an inspection device. The term "rope" in the sense of the present invention is understood to mean an element which is suitable for receiving of tensile forces is suitable. In particular, the term "rope" includes a rope and a rod, as they are installed, for example in rope or suspension bridges and / or a plurality of ropes, which together form such a rope for a rope or suspension bridge and in particular in a pipe , preferably made of metal and / or a plastic, are guided. The device is unmanned, so it can drive automatically or remotely controlled the rope, especially in the installed state as a rope in suspension bridges. By at least three, preferably four roles, the device is in contact with the rope. In this case, a non-positive connection between the rollers and the rope is generated. Preferably, all roles are driven by a common or role-specific engine and are driven so. By driving at least one roller, the device is moved on the rope. By a corresponding control of the motor, which includes, for example, a stepper motor and / or based on data of a corresponding sensor for position determination, a reproducible control of a specific position on the rope and / or a position-resolved data acquisition takes place on the rope.
Das bedeutet, dass beispielsweise nach Abschluss einer Gesamtbefahrung eines Seiles von mehreren 100 m oder sogar mehr als 1 km Länge eine ganz bestimmte Position an dem Seil, die beispielsweise als Abstand von einer Seilaufhängung und/oder einer Markierung auf dem Seil definiert werden kann, anfahrbar ist, um einen bestimmten Defekt oder die Oberflächenbeschaffenheit an dieser Position genauer zu inspizieren oder mit Flüssigkeit zu behandeln, beispielsweise mit Reparaturlösung für eine beschädigte Beschichtung. So können auch bei aufeinanderfolgenden Inspektionen über die Zeit auftretende Zustandsveränderungen mit großer Präzision positionsaufgelöst beobachtet werden. Insbesondere ist es möglich, die Position am Seil auf 5 mm genau und besser wieder anzufahren. Mit diesem Verfahren können entsprechend auch große Seillängen regelmäßig reproduzierbar inspiziert werden. Die Daten zur Zustandscharakterisierung des Seiles können in vorgebbaren Zeit- und/oder Ortabständen oder auch kontinuierlich aufgenommen werden.This means that, for example, after completion of a total journey of a rope of several 100 m or even more than 1 km in length, a very specific position on the rope, which can be defined for example as a distance from a cable suspension and / or a mark on the rope, approachable to more accurately inspect or treat a particular defect or surface condition at that location, such as with a repair solution for a damaged coating. Thus, even with successive inspections over time occurring state changes can be observed with high precision position-resolved. In particular, it is possible to approach the position on the rope to 5 mm exactly and better again. With this method, correspondingly large cable lengths can be regularly inspected in a reproducible manner. The data for state characterization of the rope can be recorded in predetermined time and / or location intervals or continuously.
Bei der Flüssigkeit, die aus einer oder mehreren Komponenten bestehen kann, kann es sich insbesondere um Farbe, Beschichtung, eine Kontaktflüssigkeit und/oder eine Analyseflüssigkeit handeln, mit der das Seil oder dessen Beschichtung auf mögliche Fehler oder Anomalien untersucht werden können. Unter einer Kontaktflüssigkeit wird insbesondere auch eine Flüssigkeit verstanden, über die ein Kontakt zu einem Analysegerät, beispielsweise einem Ultraschall, herstellbar ist. Bei einer Kontaktflüssigkeit für den Einsatz eines Ultraschallsensors dient die Kontaktflüssigkeit insbesondere zum Einkoppeln des Ultraschallsignals in die oberen Oberflächenschichten auf dem Seil. Insbesondere umfasst die Kontaktflüssigkeit eine Flüssigkeit mit einer höheren Viskosität als die von Wasser im Temperaturbereich von 5°C (Grad Celsius) bis 50°C. Bevorzugt wird die Kontaktflüssigkeit so aufgetragen, dass sich eine Schicht Kontaktflüssigkeit zwischen einem Ultraschallsensor und dem Seil bildet.The liquid, which may consist of one or more components, may in particular be paint, coating, a contact liquid and / or an analysis liquid with which the rope or its coating can be examined for possible defects or anomalies. A contact liquid is understood to mean, in particular, a liquid via which a contact to an analyzer, for example an ultrasound, can be produced. In a contact liquid for the use of an ultrasonic sensor, the contact liquid is used in particular for coupling the ultrasonic signal in the upper surface layers on the rope. In particular, the contact liquid comprises a liquid having a viscosity higher than that of water in the temperature range from 5 ° C (degrees Celsius) to 50 ° C. The contact liquid is preferably applied in such a way that a layer of contact liquid forms between an ultrasonic sensor and the cable.
Gemäß einer vorteilhaften Weiterbildung des erfindungsgemäßen Verfahrens wird die Anpresskraft der Rollen an das Seil gesteuert.According to an advantageous embodiment of the method according to the invention, the pressing force of the rollers is controlled to the rope.
Insbesondere kann dies basierend auf den Schlupfdaten der Rollen am Seil erfolgen. Die Steuerung der Anpresskraft erfolgt insbesondere in Abhängigkeit von der Oberflächenbeschaffenheit des Seiles und insbesondere dessen Korrosionsschutzes, der nicht beschädigt werden darf. Die Anpresskraft der Rollen kann durch entsprechende Anpressmotoren oder manuell durch eine entsprechende Vorspannung elastischer Elemente an den Rollenaufhängungen und des Rollenmaterials variiert werden.In particular, this can be done based on the slip data of the roles on the rope. The control of the contact pressure is carried out in particular depending on the surface condition of the rope and in particular its corrosion protection, which must not be damaged. The contact force of the rollers can be varied by appropriate Anpressmotoren or manually by a corresponding bias of elastic elements on the roller suspensions and the roll material.
Gemäß einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens ist die Pendelscherbeanspruchung des Seils kleiner als 2 % (Prozent) der Haftzugfestigkeit der Oberflächenschicht, bevorzugt eines Anstrichs, auf dem Seil.According to a further advantageous embodiment of the method according to the invention, the pendulum shear stress of the rope is less than 2% (percent) of the adhesive tensile strength of the surface layer, preferably a paint, on the rope.
Hierdurch kann vermieden werden, dass das Seil durch die Befahrung mit der Vorrichtung und/oder Inspektionsvorrichtung beschädigt wird. Besonders bevorzugt sind Pendelscherbeanspruchungen von kleiner als 20, insbesondere weniger als 10% oder sogar weniger als 2% der Haftzugfestigkeit der Oberflächenschicht auf dem Seil. Die Pendelscherbeanspruchung entsteht durch die Kombination des Antriebsmomentes mit Roll- und Pendelbewegungen der Vorrichtung und/oder Inspektionsvorrichtung an und/oder auf dem Seil, die zu einer Scherung des Seiles führt. Die Pendelscherbeanspruchung kann insbesondere durch eine der folgenden Maßnahmen eingestellt werden:
- a) die Einstellung der Anpresskraft der Rollen;
- b) die Regelung der Anpresskraft der Rollen;
- c) die Auswahl des Materials der Rollen;
- d) die Einstellung der Anlagefläche der Rolle an dem Seil;
- e) die Begrenzung der Beschleunigungen und/oder Antriebskräfte;
- f) eine Dämpfung von Torkelbewegung in den Rollenlagern
- g) die Führung von Leitungen hin zu der Vorrichtung und/oder Inspektionsvorrichtung, insbesondere von mindestens einer Versorgungsleitung und/oder Datenleitung;
- h) Reinigung und Trocknung der Seiloberfläche vor den Rollen
- a) the adjustment of the contact force of the rollers;
- b) the regulation of the pressing force of the rollers;
- c) the selection of the material of the rolls;
- d) the adjustment of the contact surface of the roller on the rope;
- e) the limitation of accelerations and / or driving forces;
- f) a damping of Storkelbewegung in the roller bearings
- g) the guidance of lines towards the device and / or inspection device, in particular of at least one supply line and / or data line;
- h) Cleaning and drying the rope surface in front of the rollers
Unter Punkt h wird hier insbesondere die mechanische Reinigung des Seiles durch kleine Bürsten und Abstreifer verstehen, die vor die Rollen montiert sind.In particular, point h will be understood to mean the mechanical cleaning of the rope by means of small brushes and wipers, which are mounted in front of the rollers.
Gemäß einer vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens werden die Daten auf mindestens einer der folgenden Arten aufgenommen:
- a) mittels Magnetfelddetektion;
- b) auf optischem Wege;
- c) durch Aufnahme von Schwingungen;
- d) durch Messung einer Schichtdicke mindestens einer oberflächennahen Schicht;
- e) Ultraschallmessungen; und
- f) Messungen der Materialhärte.
- a) by magnetic field detection;
- b) by optical means;
- c) by absorbing vibrations;
- d) by measuring a layer thickness of at least one near-surface layer;
- e) ultrasonic measurements; and
- f) Measurements of material hardness.
Unter der Magnetfelddetektion wird die Messung induzierter Magnetfelder im Seil verstanden. Unter Messungen auf optischem Wege wird insbesondere die Aufnahme von Daten mittels einer oder mehrere Bildaufnahmegeräte, wie z. B. Kameras verstanden. Die Aufnahme der Schwingungsmoden kann insbesondere durch entsprechend ausgebildete Trägheitssensoren erfolgen. Unter der Messung einer Schichtdicke einer oberflächennahen Schicht wird insbesondere die Bestimmung der Schichtdicke eines Anstrichs und/oder der Korrosionsschutzschichten, wie z. B. Verzinkung auf einem Seil mittels magnetischer oder Wirbelstromverfahren verstanden. Unter Ultraschallmessungen wird das Einleiten eines Ultraschallsignals in die Seiloberfläche und Messung deren Reflektion an Grenzschichten bezeichnet, deren Störungen somit abgebildet werden. Messungen der Materialhärte können insbesondere an Korrosionsschutzschicht und/oder einem Anstrich des Seiles und/oder darunter liegender Schichten bevorzugt durch entsprechend ausgebildete Sensoren erfolgen, bei denen mit einer entsprechenden Sonde eine definierte Kraft auf einer definierten Fläche auf das Seil ausgeübt und der entsprechende Verformungswiderstand des Materials ermittelt wird.Magnetic field detection is the measurement of induced magnetic fields in the cable. Under measurements by optical means, in particular the recording of data by means of one or more image recording devices, such as. B. cameras understood. The recording of the vibration modes can be done in particular by appropriately trained inertial sensors. By measuring a layer thickness of a layer near the surface, in particular the determination of the layer thickness of a paint and / or the corrosion protection layers, such. B. galvanizing on a rope understood by magnetic or eddy current method. By ultrasound measurements, the introduction of an ultrasound signal into the cable surface and measurement of its reflection at boundary layers are called whose disturbances are thus imaged. Measurements of the hardness of the material can be made, in particular, on a corrosion protection layer and / or a coat of the rope and / or underlying layers, preferably by suitably designed sensors in which a defined force is exerted on the cable with a corresponding probe on a defined surface and the corresponding deformation resistance of the material is determined.
Gemäß einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens werden die Daten an einen Empfänger übertragen.According to a further advantageous embodiment of the method according to the invention, the data is transmitted to a receiver.
Diese Übertragung kann insbesondere kabellos beispielsweise über die Ausbildung eines drahtlosen Netzwerk (W-LAN) oder kabelgebunden erfolgen. Der Empfänger kann hierbei bevorzugt am Boden oder auf der Oberfläche des zu inspizierenden Bauwerks beispielsweise der Brücke ausgebildet sein. Aufgrund der oftmals großen zu übertragenden Datenmenge, der langen Überragungswege und der Ausgestaltung der Seile üblicherweise aus Stahl mit den entsprechenden elektromagnetischen Störungen ist eine drahtgebundene Übertragung an den Empfänger bevorzugt. Hierzu können handelsübliche und spezielle Netzwerkkabel eingesetzt werden. Weiterhin ist die Vorrichtung und/oder Inspektionsvorrichtung bevorzugt über dasselbe oder ein anderes Kabel mit Strom zu versorgen, um so Gewicht beim Aufbau der Vorrichtung und/oder Inspektionsvorrichtung durch Einsparung des Gewichts der Akkumulatoren oder Batterien einzusparen.This transmission can in particular be wireless, for example via the formation of a wireless network (W-LAN) or wired. The receiver may in this case preferably be formed on the bottom or on the surface of the structure to be inspected, for example the bridge. Due to the often large amount of data to be transmitted, the long transfer paths and the design of the ropes usually made of steel with the corresponding electromagnetic interference, a wired transmission to the receiver is preferred. Commercially available and special network cables can be used for this purpose. Furthermore, the device and / or inspection device is preferably to be supplied with power via the same or another cable so as to save weight in the construction of the device and / or inspection device by saving the weight of the accumulators or batteries.
Gemäß einer weiteren vorteilhaften Ausgestaltung werden mit den Daten Ortsinformationen aufgezeichnet, die mit der Position am Seil bei der Aufnahme der Daten korreliert sind.According to a further advantageous embodiment, location information is recorded with the data, which are correlated with the position on the cable during the recording of the data.
Hierbei kann es sich insbesondere um Vorgaben des Schrittmotors, beispielsweise eine Anzahl von erfolgten Schritten, handeln. Außerdem kann es sich um Daten eines Winkelcodierers handeln, der die Rollendrehungen detektiert. Weiterhin ist es alternativ oder zusätzlich möglich, Eich- oder Kalibrierungsdaten der Ortsinformation aufzuzeichnen, bei der beispielsweise die zurückgelegte Strecke am Seil nach einer bestimmten Initialisierung aufgezeichnet und mit abgespeichert wird.These may in particular be specifications of the stepping motor, for example a number of steps taken. It may also be data from an angle encoder that detects the roll rotations. Furthermore, it is alternatively or additionally possible to record calibration or calibration data of the location information, in which, for example, the distance traveled is recorded on the cable after a specific initialization and stored with it.
Gemäß einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens erfolgt das Auftragen der Flüssigkeit durch mindestens eine der folgenden Arten:
- a) durch Aufsprühen,
- b) durch Bepinseln und
- c) durch Aufrollen.
- a) by spraying,
- b) by brushing and
- c) by rolling up.
Der Flüssigkeitsauftrag durch Aufsprühen eignet sich besonders bei Seilen mit einer rauen oder strukturierten Oberfläche, da die Flüssigkeit so auch leicht in kleine Zwischenräume auf der Seiloberfläche eingebracht werden kann. Zudem ist der Verschleiß der Düsen zum Aufsprühen der Flüssigkeit vergleichsweise gering.The liquid application by spraying is particularly suitable for ropes with a rough or textured surface, as the liquid can also be easily introduced into small spaces on the surface of the rope. In addition, the wear of the nozzles for spraying the liquid is comparatively low.
Bei der Verarbeitung einer Flüssigkeit mit hoher Viskosität wird diese vorzugsweise durch Bepinseln oder Aufrollen auf das Seil aufgebracht.When processing a high viscosity liquid, it is preferably applied to the rope by brushing or rolling.
Gemäß einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens, bei dem die Flüssigkeit aus mindestens zwei Komponenten besteht, erfolgt die Vermischung der Komponenten durch mindestens eine der folgenden Arten:
- a) gleichzeitiges Aufsprühen mindestens zweier Komponenten auf die Seiloberfläche;
- b) Aufsprühen der Komponenten auf die Seiloberfläche mit kurzem zeitlichem Abstand; und
- c) Vermischung in einem Mischer.
- a) simultaneous spraying of at least two components on the cable surface;
- b) spraying the components on the cable surface with a short time interval; and
- c) mixing in a mixer.
Die drei genannten Arten haben alle gemeinsam, dass zwischen der Vermischung der Komponenten und dem Flüssigkeitsauftrag nur eine kurze Zeitspanne liegt, sodass die Komponenten höchstens kurze Zeit miteinander reagieren, bevor sie auf die Seiloberfläche aufgebracht werden. So wird beispielsweise ein Eintrocknen der Flüssigkeit verhindert. Je nach Eigenschaften der Flüssigkeit wie beispielsweise Viskosität oder Reaktionsfähigkeit, wird eine entsprechende Art der Vermischung angewendet, so beispielsweise die Vermischung in einem Mischer bei sehr viskosen Flüssigkeiten, für die ein Aufsprühen nur schwer möglich ist.All three have in common that there is only a short amount of time between mixing the components and applying the liquid so that the components react with each other for at most a short time before being applied to the surface of the rope. For example, a drying of the liquid is prevented. Depending on the properties of the liquid, such as viscosity or reactivity, an appropriate type of mixing is used, such as mixing in a mixer for very viscous liquids, for which spraying is difficult.
Gemäß einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens ist die Flüssigkeit mindestens zu einem der folgenden Zwecke geeignet:
- a) Untersuchungen des Seils;
- b) Reinigung des Seils;
- c) Reparatur von Beschichtungen des Seils;
- d) Auftrag von Beschichtungen auf das Seil; und
- e) Markierung des Seils.
- a) investigations of the rope;
- b) cleaning the rope;
- c) repair of coatings of the rope;
- d) applying coatings to the rope; and
- e) Marking the rope.
Zur Detektion von Rissen im Seil werden beispielsweise Zweifarb-Untersuchungssysteme verwendet. Hierbei werden nacheinander zwei verschiedene Flüssigkeiten auf das Seil aufgetragen, die miteinander reagieren und durch einen Farbumschlag Risse in Schweißnähten aufzeigen können. Des Weiteren werden Indikator-Flüssigkeiten eingesetzt, die mit Ablagerungen oder Korrosionsprodukten auf dem Seil reagieren und diese ebenfalls durch Farbumschlag anzeigen.For example, two-color examination systems are used to detect cracks in the rope. Here, two different liquids are successively applied to the rope, which react with each other and can show cracks in welds by a color change. Furthermore, indicator liquids are used which react with deposits or corrosion products on the rope and also indicate these by color change.
Zur Reinigung von Seilen finden beispielsweise Wasser, das nötigenfalls mit Reinigungszusätzen versetzt wird, Tenside und/oder Lösemittelgeschmische Anwendung.To clean ropes find, for example, water, which is added, if necessary, with cleaning additives, surfactants and / or Lösemittelgeschmische application.
Das erfindungsgemäße Verfahren eignet sich zudem zur Reparatur von Beschichtungen sowie zum Auftrag von Beschichtungen auf das Seil. Dazu können mehrere Schichten und Komponenten eines eingesetzten Korrosionsschutz- und Anstrichsystems ein- oder mehrkomponentig auf die Seiloberfläche an vorgebbaren Positionen in einem oder mehreren Arbeitsgängen in größeren Flächen aufgetragen werden. Behandelt werden auf diese Weise entweder einzelne Teilabschnitte, die in der Länge und auf dem Umfang des Seils begrenzt sein können oder das gesamte Seil.The method according to the invention is also suitable for repairing coatings and for applying coatings to the rope. For this purpose, several layers and components of an applied anti-corrosion and paint system can be applied in one or more components to the cable surface at predefinable positions in one or more operations in larger areas. In this way, either individual sections that can be limited in length and on the circumference of the rope or the entire rope are treated.
Weiterhin können mit dem erfindungsgemäßen Verfahren mehrere Schichten oder Komponenten eines Anstrichsystems an ausgesuchten Positionen in einem oder mehreren Arbeitsgängen in Punkten oder Linien zur Kennzeichnung oder Beschriftung der Seile auf deren Oberflächen aufgebracht werden.Furthermore, with the method according to the invention, several layers or components of a paint system can be applied at selected positions in one or more operations in points or lines for marking or inscribing the cables on their surfaces.
Gemäß einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens wird als Flüssigkeit eine Kontaktflüssigkeit zur Einkopplung von Ultraschallsignalen in zumindest Teilbereiche des Seils, insbesondere in oberflächennahe Schichten des Seils aufgetragen.According to a further advantageous embodiment of the method according to the invention is applied as a liquid, a contact liquid for coupling ultrasound signals in at least portions of the rope, in particular in near-surface layers of the rope.
Bevorzugt ist auch eine Verfahrensführung, bei der ein Ultraschallsensor ausgebildet ist, mittels dem entsprechende Ultraschallsignale erzeugt werden, die über die Kontaktflüssigkeit in zumindest die oberflächennahen Schichten oder Bereiche des Seils eingekoppelt werden und mit dem reflektierte Signale aus dem Seil aufzeichenbar sind.Also preferred is a process control in which an ultrasonic sensor is formed, by means of which corresponding ultrasound signals are generated, which are coupled via the contact liquid into at least the near-surface layers or regions of the rope and can be recorded with the reflected signals from the cable.
Gemäß einem weiteren Aspekt der vorliegenden Erfindung wird eine Vorrichtung zum Auftragen einer Flüssigkeit auf ein Seil vorgeschlagen, umfassend mindestens drei Rollen, mittels denen das Seil mit der Vorrichtung zu befahren ist, wobei mindestens eine Rolle durch einen Motor antreibbar ist, so dass die Vorrichtung am Seil verfahrbar ist, wobei ein Steuermittel ausgebildet ist, mittels welchem der Motor so ansteuerbar ist, dass vorbestimmbare Positionen an dem Seil reproduzierbar anfahrbar sind, wobei mindestens ein Auftragsmittel ausgebildet ist, mittels dem mindestens eine Flüssigkeit auf das Seil auftragbar ist.According to a further aspect of the present invention, a device for applying a liquid to a rope is proposed, comprising at least three rollers, by means of which the cable is to be driven with the device, wherein at least one roller is driven by a motor, so that the device on Rope is movable, wherein a control means is formed, by means of which the motor is controlled so that predeterminable positions on the rope are reproducible approachable, wherein at least one application means is formed, by means of which at least one liquid can be applied to the rope.
Insbesondere kann diese Vorrichtung Teil einer Inspektionsvorrichtung oder eine Inspektionsvorrichtung Teil dieser Vorrichtung sein, wobei die Inspektionsvorrichtung zum Inspizieren von Seilen mindestens drei Rollen umfasst, mittels denen das zu inspizierende Seil mit der Inspektionsvorrichtung zu befahren ist und weiterhin mindestens ein Inspektionsgerät zur Aufnahme von Daten zur Zustandscharakterisierung des Seiles umfasst. Mindestens eine Rolle ist durch einen Motor antreibbar, so dass die Inspektionsvorrichtung am Seil verfahrbar ist. Erfindungsgemäß ist ein Steuermittel ausgebildet, mittels welchem der Motor so ansteuerbar ist, dass vorbestimmbare Positionen an dem Seil reproduzierbar anfahrbar sind.In particular, this device may be part of an inspection device or an inspection device part of this device, wherein the inspection device for inspecting ropes comprises at least three rollers, by means of which the rope to be inspected with the inspection device is to drive and at least one inspection device for receiving data for state characterization of the rope. At least one roller is drivable by a motor, so that the inspection device is movable on the rope. According to the invention a control means is formed, by means of which the motor is controlled so that predeterminable positions on the rope are reproducibly approached.
Gemäß einer vorteilhaften Ausgestaltung der erfindungsgemäßen Vorrichtung und/oder Inspektionsvorrichtung sind Anpressmittel zum Anpressen der Rollen an das Seil ausgebildet.According to an advantageous embodiment of the device according to the invention and / or inspection device pressing means for pressing the rollers are formed on the rope.
Gemäß einer vorteilhaften Weiterbildung ist die Anpresskraft der Anpressmittel an das Seil regelbar.According to an advantageous embodiment, the contact pressure of the contact pressure on the rope is adjustable.
Gemäß einer vorteilhaften Ausgestaltung der Vorrichtung und/oder Inspektionsvorrichtung ist mindestens eines der folgenden Inspektionsgeräte ausgebildet:
- a) mindestens ein Sensor zur Messung selbst- oder fremdinduzierter lokalen Magnetfelder;
- b) mindestens eine Kamera zur Aufnahme optischer Daten;
- c) mindestens ein Schwingungsaufnehmer;
- d) mindestens ein Sensor zur Bestimmung einer Schichtdicke mindestens einer oberflächennahen Schicht;
- e) mindestens ein Ultraschallsensor; und
- f) mindestens ein Sensor zur Messung der Materialhärte.
- a) at least one sensor for measuring self-induced or foreign-induced local magnetic fields;
- b) at least one camera for recording optical data;
- c) at least one vibration sensor;
- d) at least one sensor for determining a layer thickness of at least one near-surface layer;
- e) at least one ultrasonic sensor; and
- f) at least one sensor for measuring the material hardness.
Unter einem Sensor zur Messung selbst- oder fremdinduzierter lokaler Magnetfelder, einem so genannten Magnetinduktionsmessgerät, wird ein Gerät verstanden, mittels dem ein Magnetfeld in dem zu inspizierenden Seil induziert werden kann, das anschließend vermessen wird. Störungen des vorhandenen oder des derart induzierten homogenen Magnetfeldes können auf Drahtbrüche im Seil hinwiesen. Bevorzugt umfasst die Vorrichtung und/oder Inspektionsvorrichtung mehrere Kameras und insbesondere mehrere Arten von Kameras, wobei bevorzugt mit einer Art Kameras ein positionsgenaues Bild, bevorzugt einer niedrigeren Auflösung, insbesondere zum zeitgleichen Übertragen und/oder Betrachten der Daten zur unmittelbaren örtlichen Inspektion des Seiles während der Befahrung bei höherer Befahrgeschwindigkeit dargestellt und aufgezeichnet wird. Eine zweite Art Kameras ist zur hochaufgelösten optischen Inspektion des Seiles positionsgenau nach der Befahrung ausgebildet.A sensor for measuring self-induced or externally induced local magnetic fields, a so-called magnetic induction measuring device, is a device by means of which a magnetic field can be induced in the rope to be inspected, which is subsequently measured. Disturbances of the existing or induced homogeneous magnetic field may indicate wire breaks in the rope. Preferably, the device and / or inspection device comprises a plurality of cameras and in particular several types of cameras, preferably with a kind of cameras a positionally accurate image, preferably a lower resolution, in particular for simultaneously transmitting and / or viewing the data for immediate local inspection of the rope during the Driving at higher speed is shown and recorded. A second type of camera is designed for the high-resolution optical inspection of the rope in exact position after the drive.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Vorrichtung und/oder Inspektionsvorrichtung ist mindestens eines der folgenden Auftragsmittel ausgebildet:
- a) mindestens eine Spritzanlage;
- b) mindestens eine Düse;
- c) mindestens eine Zweikomponentendüse;
- d) mindestens ein Pinsel;
- e) mindestens eine Walze; und
- f) mindestens eine Bürste.
- a) at least one spray booth;
- b) at least one nozzle;
- c) at least one two-component nozzle;
- d) at least one brush;
- e) at least one roller; and
- f) at least one brush.
Die Spritzanlage sowie die Düse finden vorzugsweise bei Flüssigkeiten mit geringer Viskosität Anwendung. Die Zweikomponentendüse eignet sich, um zwei Flüssigkeitskomponenten mit geringer Viskosität zeitgleich auf die Seiloberfläche aufzubringen. Bei Flüssigkeiten mit höherer Viskosität werden vorzugsweise ein Pinsel und/oder eine Walze verwendet. Die mindestens eine Bürste kann zum Reinigen des Seils und/oder zum Auftragen der Flüssigkeit auf das Seil genutzt werden.The spray unit and the nozzle are preferably used for liquids with low viscosity application. The two-component nozzle is suitable for simultaneously applying two liquid components with low viscosity to the surface of the rope. For liquids of higher viscosity, a brush and / or a roller are preferably used. The at least one brush can be used to clean the rope and / or to apply the liquid to the rope.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Vorrichtung und/oder Inspektionsvorrichtung ist mindestens ein Tank zur Aufnahme einer Flüssigkeit ausgebildet.According to a further advantageous embodiment of the device and / or inspection device, at least one tank for receiving a liquid is formed.
Es können mehrere Tanks für verschiedene Flüssigkeitskomponenten ausgebildet sein, so dass beim Befahren und Inspizieren des Seils die gerade benötigte Flüssigkeit umgehend ausgewählt und verwendet werden kann, ohne einen Austausch am Gerät vornehmen zu müssen.It can be formed several tanks for different liquid components, so that when driving on and inspecting the rope, the liquid just needed can be immediately selected and used without having to make an exchange on the device.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Vorrichtung und/oder Inspektionsvorrichtung ist mindestens ein Fördermittel zur Förderung der mindestens einen Flüssigkeit ausgebildet, das mit dem Tank und dem mindestens einen Auftragsmittel verbunden ist.According to a further advantageous embodiment of the device and / or inspection device, at least one conveying means is provided for conveying the at least one liquid which is connected to the tank and the at least one application means.
Unter dem Begriff Fördermittel werden Kompressoren zur Erzeugung von Druckluft, Membran- und/oder Schlauchpumpen, sowie Schlauchsysteme mit Ventilen verstanden. Diese sind in vorteilhafter Weise dazu geeignet, die mitgeführten Flüssigkeiten vom Tank zum entsprechenden Auftragsmittel zu befördern.The term conveying means compressors for the production of compressed air, membrane and / or peristaltic pumps, as well as hose systems with valves understood. These are advantageously suitable for to carry the entrained liquids from the tank to the corresponding application agent.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Vorrichtung und/oder Inspektionsvorrichtung ist ein Mischer zur Vermischung mindestens zweier Flüssigkeiten ausgebildet.According to a further advantageous embodiment of the device and / or inspection device, a mixer for mixing at least two liquids is formed.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Vorrichtung und/oder Inspektionsvorrichtung ist der Mischer als Durchfluss-Rohrmischer ausgebildet.According to a further advantageous embodiment of the device and / or inspection device, the mixer is designed as a flow-tube mixer.
Die erfindungsgemäße Vorrichtung ist insbesondere zur Durchführung des erfindungsgemäßen Verfahrens geeignet. Die für das erfindungsgemäße Verfahren offenbarten Details und Vorteile sind auf die erfindungsgemäße Vorrichtung und/oder Inspektionsvorrichtung übertrag- und anwendbar und umgekehrt. Im Folgenden wird die Erfindung anhand der beigefügten Zeichnungen näher erläutert, ohne auf die dort gezeichneten Details und Vorteile beschränkt zu sein. Es zeigen schematisch:
- Fig. 1
- ein Schnittbild eines ersten Ausführungsbeispiels einer erfindungsgemäßen Vorrichtung an einem zum Flüssigkeitsauftrag bestimmten Seil,
- Fig. 2
- ein Schnittbild eines zweiten Ausführungsbeispiels einer erfindungsgemäßen Vorrichtung an einem Seil,
- Fig. 3
- ein erstes Schnittbild einer Inspektionsvorrichtung an einem zu inspizierenden Seil,
- Fig. 4
- ein zweites Schnittbild einer Inspektionsvorrichtung an einem Seil,
- Fig. 5
- ein Schnittbild eines dritten Ausführungsbeispiels einer erfindungsgemäßen Vorrichtung an einem Sei. und
- Fig. 6
- ein Schnittbild eines vierten Ausführungsbeispiels einer erfindungsgemäßen Vorrichtung an einem Seil.
- Fig. 1
- 1 is a sectional view of a first embodiment of a device according to the invention on a rope intended for the application of liquid,
- Fig. 2
- a sectional view of a second embodiment of a device according to the invention on a rope,
- Fig. 3
- a first sectional view of an inspection device on a rope to be inspected,
- Fig. 4
- a second sectional view of an inspection device on a rope,
- Fig. 5
- a sectional view of a third embodiment of a device according to the invention on a Sei. and
- Fig. 6
- a sectional view of a fourth embodiment of a device according to the invention on a rope.
Die
Hierbei wird die Vorrichtung 2 über den hier nicht gezeigten Motor 16 in einer Bewegungsrichtung 19 bewegt. In Bewegungsrichtung 19 hinter der Düse 5 ist mindestens ein Pinsel 20 ausgebildet. Bevorzugt sind diese rotierend in einer Rotationsrichtung 21 ausgebildet und werden durch einen Pinselantrieb 22 rotierend angetrieben. Dadurch, dass die Pinsel in Bewegungsrichtung 19 hinter der Düse 5 ausgebildet sind, wird die Flüssigkeit gleichmäßig über die Oberfläche des Seils 1 verteilt. Insbesondere sind in Umfangsrichtung des Seiles 1 mehrere Pinsel 20 ausgebildet, insbesondere vier oder mehr. In diesem Ausführungsbeispiel umfasst das Auftragsmittel also die mindestens eine Düse 5 und den mindestens einen Pinsel 20.In this case, the
Die mindestens eine Düse 5 ist bevorzugt in einer Waschkammer 23 ausgebildet, die mit der Vorrichtung 2 über das Seil 1 bewegbar ist. Bevorzugt wird die Vorrichtung 2 in einer Bewegungsrichtung 19 bewegt, in der die Düse 5 vor mindestens einer Bürste 24 ausgebildet ist. Durch das Bewegen der Vorrichtung 2 und damit der mindestens einen Bürste 24 über das Seil 1 wird die Oberfläche des Seils 1 gereinigt. Bevorzugt wird dabei die mindestens eine Bürste 24 über einen oder mehrere Vibrationsmotoren 25 zur Vibration angeregt. Die Relativbewegung der vibrierenden Bürsten 24 relativ zum Seil 1 bewirken eine weiterhin verbesserte Reinigungsleistung. Die Flüssigkeit kann bevorzugt über eine Rückführleitung 26 zum Tank 7 zurückgeführt und wiederverwendet werden.The at least one
Das erfindungsgemäße Verfahren und die erfindungsgemäße Vorrichtung 2 gestatten eine automatisierte und unbemannte Untersuchung, Reinigung, Reparatur von Beschichtung sowie Markierung von Seilen beispielsweise von Hängebrücken. So ist beispielsweise ein Defekt am Seil mit der Vorrichtung gezielt anfahrbar und ausbesserbar.The method according to the invention and the
- 11
- Seilrope
- 22
- Vorrichtungcontraption
- 33
- Rollenroll
- 44
- Mischermixer
- 55
- Düsejet
- 66
- Walzeroller
- 77
- Tanktank
- 88th
- Fördermittelfunding
- 99
- MessgeräteträgerMeters carrier
- 1010
- Inspektionsgeräteinspection equipment
- 1111
- Kamerascameras
- 1212
- Magnetfeldmessgerätemagnetic field measuring equipment
- 1313
- Radaufhängungensuspension
- 1414
- MessauswertungsmittelMeasurement analysis means
- 1515
- Steuermittelcontrol means
- 1616
- Motorengine
- 1717
- Trägercarrier
- 1818
- Dosiermitteldosing
- 1919
- Bewegungsrichtungmovement direction
- 2020
- Pinselbrush
- 2121
- Rotationsrichtungdirection of rotation
- 2222
- Pinselantriebbrush drive
- 2323
- Waschkammerwashing chamber
- 2424
- Bürstebrush
- 2525
- Vibrationsmotorvibration motor
- 2626
- RückführleitungReturn line
Claims (11)
- A method for applying a liquid to a rope (1), wherein a rope (1) is traveled on by a device (2) that comprises at least three rollers (3), which are force-fitted connected with the rope (1), wherein at least one roller (3) is driven by at least one motor so that the device (2) can be moved on the rope (1), wherein the at least one motor can be controlled so that the device (2) can reproducibly travel to predeterminable positions on the rope (1), wherein at least one liquid is at least temporarily applied to at least partial sections of the rope (1).
- The method according to claim 1, wherein applying the liquid to the rope (1) is carried out using at least one of the following procedures:a) spraying;b) painting; andc) rolling.
- The method according to any of the preceding claims, wherein the liquid is comprised of at least two components, wherein the mixing of the components is carried out using at least one the following procedures:a) simultaneous spraying of at least two components onto the surface of the rope;b) spraying the components onto the surface of the rope at short time intervals; andc) mixing in a mixer (4).
- The method according to any of the preceding claims, wherein the liquid is suitable for at least one of the following purposes:a) inspecting the rope;b) cleaning the rope;c) repairing rope coatings;d) applying coatings onto the rope; ande) marking the rope.
- The method according to any of the preceding claims, wherein the applied liquid is a contact liquid for coupling ultrasound signals into at least partial sections of the rope, especially into layers of the rope which are close to the surface.
- A device (2) for applying a liquid onto a rope (1), comprising at least three rollers (3), by means of which the device (2) is to travel along the rope (1), wherein at least one roller (3) can be driven by a motor so that the device (2) can be moved on the rope (1), wherein a control means is provided for controlling the motor so that predeterminable positions on the rope (1) can be reproducibly traveled to, wherein at least one application means (5, 6) is provided, with which at least one liquid can be applied to the rope (1).
- The device (2) according to claim 6, wherein at least one of the following application means (5, 6) is provided:a) at least one spraying unit;b) at least one nozzle (5);c) at least one two-component nozzle;d) at least one fine brush (20);e) at least one roller (6); andf) at least one brush (24).
- The device (2) according to claim 6 or 7, wherein at least a tank (7) is provided for receiving a liquid.
- The device (2) according to claim 8, wherein at least a conveyor means (8) is provided for conveying the at least one liquid said conveyor means (8) being connected with the tank (7) and the at least one application means (5, 6).
- The device (2) according to claims 6 to 9, wherein a mixer (4) is provided for mixing at least two liquid components.
- The device (2) according to claim 10, wherein the mixer (4) is provided as a flow-through pipe mixer.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009052829A DE102009052829A1 (en) | 2009-11-13 | 2009-11-13 | Method and device for applying a liquid to a rope |
Publications (4)
Publication Number | Publication Date |
---|---|
EP2325394A2 EP2325394A2 (en) | 2011-05-25 |
EP2325394A3 EP2325394A3 (en) | 2016-07-13 |
EP2325394B1 true EP2325394B1 (en) | 2018-01-24 |
EP2325394B2 EP2325394B2 (en) | 2023-10-11 |
Family
ID=43617880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP10191024.8A Active EP2325394B2 (en) | 2009-11-13 | 2010-11-12 | Method and device for applying a liquid to a rope |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2325394B2 (en) |
DE (2) | DE102009052829A1 (en) |
DK (1) | DK2325394T4 (en) |
NO (1) | NO2325394T3 (en) |
Families Citing this family (8)
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US8697178B2 (en) * | 2011-08-26 | 2014-04-15 | Diagnose-und Ingenieurgesellschaft Dr. Boué | Method and apparatus for applying a coating to a cable |
DE202012013040U1 (en) | 2012-06-19 | 2014-08-26 | Diagnose- und Ingenieurgesellschaft Dr. Boué mbH | Device for driving on a rope |
EP2677080A1 (en) | 2012-06-19 | 2013-12-25 | Diagnose- und Ingenieurgesellschaft Dr. Boué mbH | Device and method for travelling along a cable |
CN103806377B (en) * | 2014-02-25 | 2015-09-23 | 福建建工集团总公司 | The overall positive replacement structure of the many pile foundations of a kind of bridge large-tonnage and support and change method |
CN105088976B (en) * | 2015-08-14 | 2016-12-21 | 青岛玉兰祥商务服务有限公司 | A kind of can fast cooling and for bridge automatically clear up attending device |
CN105019383B (en) * | 2015-08-14 | 2016-07-13 | 宁波市江东明联物联科技有限公司 | A kind of warning lamp be installed and automatically clear up attending device for bridge |
CN111058378A (en) * | 2020-01-14 | 2020-04-24 | 中北大学 | Civil engineering's road and bridge self-propelled survey device |
CN117107630B (en) * | 2023-10-25 | 2024-01-09 | 山东省路桥集团有限公司 | Stay cable destructive detection device of cable-stayed bridge |
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EP2172593A2 (en) | 2008-10-02 | 2010-04-07 | Diagnose- und Ingenieurgesellschaft Dr. Boué mbH | Method and apparatus for inspecting cables |
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DE3937928A1 (en) * | 1989-11-15 | 1991-05-16 | Asea Brown Boveri | Cleaning machine to clean ropes and cables - has crab connected to drive and guide on cable |
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- 2009-11-13 DE DE102009052829A patent/DE102009052829A1/en not_active Withdrawn
-
2010
- 2010-11-12 DK DK10191024.8T patent/DK2325394T4/en active
- 2010-11-12 EP EP10191024.8A patent/EP2325394B2/en active Active
- 2010-11-12 DE DE202010017969U patent/DE202010017969U1/en not_active Expired - Lifetime
- 2010-11-12 NO NO10191024A patent/NO2325394T3/no unknown
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Also Published As
Publication number | Publication date |
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NO2325394T3 (en) | 2018-06-23 |
DK2325394T4 (en) | 2023-11-13 |
DE202010017969U1 (en) | 2013-08-22 |
DE102009052829A1 (en) | 2011-05-19 |
DK2325394T3 (en) | 2018-05-07 |
EP2325394A2 (en) | 2011-05-25 |
EP2325394A3 (en) | 2016-07-13 |
EP2325394B2 (en) | 2023-10-11 |
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