WO2017017289A1 - Sensor de desgaste y elemento de desgaste, conjunto y uso correspondientes - Google Patents
Sensor de desgaste y elemento de desgaste, conjunto y uso correspondientes Download PDFInfo
- Publication number
- WO2017017289A1 WO2017017289A1 PCT/ES2015/070574 ES2015070574W WO2017017289A1 WO 2017017289 A1 WO2017017289 A1 WO 2017017289A1 ES 2015070574 W ES2015070574 W ES 2015070574W WO 2017017289 A1 WO2017017289 A1 WO 2017017289A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- sensor according
- wear
- wear element
- support
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0664—Indicating or recording means; Sensing means using witness specimens
Definitions
- the invention relates to a wear sensor for a wear element in a shovel of a earth moving machine. It is also suitable for dredging boats equipped with cutting heads that excavate, transport and deposit material from submerged areas.
- the invention also relates to a wear element of a shovel of a earth moving machine with a sensor according to the invention as well as to an assembly formed by said wear element and the corresponding support or adapter, where the element of wear has a rear end suitable for mounting on the support and the support has a front end suitable for mounting to the wear element, where the rear end of the wear element has an inner surface that, when mounted, faces an inner surface of the front end of the support.
- the invention also relates to a use of a wear sensor according to the invention.
- Earthmoving machines are used in excavation, demolition, construction, mining, dredging and similar activities.
- the shovel or bucket has a plurality of wear elements that protect it from wear and impacts and / or that improve penetration into the ground, such as with teeth, supports or holders and / or protectors (front and side).
- the wear elements do wear out so it is necessary to replace them periodically.
- the working conditions of the wear elements are particularly demanding, with large mechanical stresses, vibrations, shocks and high temperatures (more than 100 e C and even more than 200 e C in some areas).
- a wear sensor of the type indicated at the beginning characterized in that it comprises an electrical sensor circuit and at least one elongated arm extending in a detection direction defining a longitudinal axis, where the elongated arm has a base and one end, where the end is apt to be worn together with the wear material of the wear element, and where the elongate arm comprises a plurality of electrical connections that are part of the sensor electrical circuit and that extend different lengths from each other, measures along the longitudinal axis along the arm.
- the wear elements have a part of wear material already designed and intended to be worn. That is to say, it is a part of the piece that will wear out over time and, therefore, will be physically removed from the piece.
- the sensor according to the invention has an electrical sensor circuit a part of which (the arm) extends towards the part area that is intended to be removed by wear.
- the sensor arm has its end housed in this area of the part that will be removed and, therefore, during the subsequent use of the wear element, the end of the sensor arm will also be removed. Consequently, the electrical connections arranged in the arm will be physically eliminated, which will cause the corresponding circuits to remain open.
- the electrical sensor circuit is preferably arranged on a printed circuit board (PBC).
- the electrical sensor circuit is advantageously formed by passive elements (resistors, coils and / or capacitors) since these elements are the ones that best withstand the high temperatures.
- a detection circuit can detect the breakage of each of these electrical conduits and, from there, detect the wear progress of the wear element. For this, the detection circuit sends a preset electrical signal to the sensor electrical circuit and measures and analyzes the response signal received from the sensor electrical circuit.
- the arm is embedded in a mass of polymeric material.
- the wear sensor will be subject to very demanding working conditions, due to the environment of the wear element itself. In particular, the arm will be exposed to the outside.
- the mass of polymeric material is a bi-component silicone elastomer, which combines a low thermal conductivity with high elastic properties, which give the assembly a good flexibility, better absorbing the mechanical stresses to which it is subjected.
- a commercial example of bi-component silicone elastomers suitable for carrying out the present invention is the product under the trade name SYLGARD® 170, marketed by Dow Corning®.
- the arm can have any shape, as long as it extends in at least one direction that is the one that you want to control as an indicator of the progression of wear. It is the direction that has been considered that defines the aforementioned longitudinal axis.
- the arm will be as small as possible in the directions in which it is not interesting to measure wear, so it will have a substantially elongated configuration (in the direction of the longitudinal axis) and narrows perpendicularly to the longitudinal axis.
- the area of wear to be measured will be different for each application (type of wear element in question, concrete design of the same, type of terrain on which to work, etc.).
- the elongated arm has between 3 and 7 of the aforementioned electrical connections that extend different lengths from each other along the arm, measured along the longitudinal axis.
- a sensor that had a single electrical connection on the elongated arm might be sufficient.
- the electrical connection could be arranged in what would correspond to the maximum wear expected for the wear element. In this way the moment in which the change of part should be made could be detected.
- the sensor can be designed with two different strategies.
- the sensor can be monobloc, so that a single printed circuit board integrates all the necessary elements to fulfill the functions of the sensor.
- the printed circuit board will already include a detection circuit capable of detecting the breakage of each of the electrical connections arranged in the arm.
- the sensor only needs to make changes in the tooth, so it can be mounted on conventional brackets or adapters and / or can be used on teeth that are directly mounted on the lip of the blade.
- the electrical sensor circuit and the detection circuit are simpler and the presence of wireless communication means is not necessary (as will be discussed later).
- it also has some drawbacks: the entire sensor is subjected to the high temperatures of the wear element, the sensor has the useful life of the wear element itself, etc.
- the senor also comprises a data transmission circuit with a radio frequency transmitter.
- a control system that can be arranged in the excavator machine cabin.
- This control system can be connected via 3G, internet or satellite to a central headquarters away from the working area of the machine, which can manage the data obtained.
- the radio frequency emitter emits at a frequency between 50 MHz and 990 MHz, preferably between 150 MHz and 950 MHz and most preferably at 433 MHz.
- the sensor is arranged in an environment completely metallic and, in fact, is housed inside metal parts. This greatly hinders radio frequency communications.
- the indicated frequencies can be transmitted through the spaces and clearances of the wear elements and, in general, of the elements arranged in the shovels of the excavating machines. In this way it is possible to establish a radio frequency communication without having to put the antennas out of the wear element, which would leave them exposed to the aggressive environment of the wear element.
- the electrical connections are part of a plurality of resistive circuits connected in parallel with each other, where the detection circuit is suitable for detecting the voltage drop in terminals of the plurality of resistive circuits. Indeed, this solution is particularly economical and simple to implement.
- the other strategy is to design the sensor so that it is formed into two physically independent parts or parts.
- the first part is the one comprising the elongated arm while the second part is arranged outside the wear element and is the one that includes the detection circuit.
- the first part also includes wireless interconnection means.
- the second part also includes the data transmission circuit and second wireless interconnection means suitable for establishing a wireless connection with the wireless interconnection means. That is, the wireless connection means and the second wireless connection means are those that allow establishing a connection between the two parts of the sensor, in particular between the sensor electrical circuit and the detection circuit.
- This alternative allows to house the detection circuit, the transmission circuit and, above all, the battery, in a place at a lower temperature.
- the first part of the sensor contains only elements much more resistant to temperature.
- wireless interconnection means is required, and the support or adapter (or, in general, the place on which the wear element is mounted) is required to be adapted to include the second part of the sensor.
- the senor is housed in a polymeric material capsule (a single capsule in the case of the monobloc sensor or two capsules , one for each part of the sensor formed in two pieces).
- the polymeric material of the capsule is preferably a semi-crystalline aliphatic polyamide, and it is particularly advantageous to be PA 66, that is to say poly [imino (1,6-dioxohexamethylene) iminohexamethylene], of general formula:
- the PA 66 has a high stiffness, high melting point and dimensional stability. It also has a low moisture absorption, so it can be designed with tighter tolerances. It also has a high tensile and wear resistance, and is an adherent and weldable material. Another advantageous alternative is that the material is PEEK (polyester ether ketone, English polyether ether ketone), specifically it is the compound obtained from the following reaction:
- This compound also has excellent mechanical and chemical properties at high temperatures (with low degradation at high temperatures).
- the hollow space inside the capsule is preferably filled with the mass of polymeric material indicated above.
- the electrical connections are part of a plurality of LC circuits cascaded together, where the detection circuit is capable of detecting the resonance of the plurality of LC circuits at a preset signal.
- the sensor electrical circuit must receive a signal that has been transmitted through the wireless connection.
- this signal be a signal variable.
- this signal is the signal called Sinc (which is the signal corresponding to (sin (x)) / x).
- the detection circuit can detect the resonance of the LC circuits to the sync signal.
- the detection circuit is capable of processing the signal received from the sensor electrical circuit through a fast Fourier transform (FFT) of English Fast Fourier Transform).
- FFT fast Fourier transform
- the sync signal has a frequency between 1 kHz and 100 kHz, and most preferably between 4 kHz and 10 kHz. It is particularly advantageous if the frequency is 5 kHz. In this way the return of the induced impulse is received with maximum energy and power, which facilitates its processing through the fast Fourier transform.
- the wireless interconnection means and the second wireless interconnection means each comprise a ferrite core.
- Ferrite cores have a low mechanical resistance so they can be damaged if they are subjected to the aggressive environment of the wear element. Therefore, advantageously, each of the ferrite cores is at one end of the corresponding part (specifically at the ends that face each other) and is protected from the outside by a sheet of ceramic material, preferably alumina.
- the sheet of ceramic material rests adhered on a silicone-based sealant adhesive pad (such as that sold by Dow Corning® under the name 7091 Adhesive Sealant), which serves to keep the system sealed against aggressions external (dust, humidity, etc.) and that of absorbing shocks and / or vibrations that could affect both the integrity of the ferrite and that of the same ceramic sheet that acts as protection of the assembly at its open end.
- a silicone-based sealant adhesive pad such as that sold by Dow Corning® under the name 7091 Adhesive Sealant
- the ferrites are round, which allows maximizing the field lines, with the lowest possible losses, minimizing the energy cost and allowing communication with the least possible space.
- the field lines do not disperse significantly and communication can continue to take place.
- the ferrite cores have a race in their outer perimeter that houses a coil. In this way the size necessary to accommodate the ferrite core is minimized.
- the bobbin is made with Litz thread.
- the senor has an antenna arranged at the rear end of the sensor.
- this position is the one that is closest to the junction zone between the wear element and the corresponding support.
- This junction zone is where there is usually a slack through which the radio frequency signal can be transmitted.
- the antenna is zigzag-shaped, that is, it is formed by a first plurality of parallel sections joined together by a second plurality of sections also parallel to each other and forming a non-zero angle with the first plurality of sections. In this way an antenna of equivalent performance to a monopole is achieved, but with a considerably shorter length.
- the wear sensor additionally comprises some additional sensor, in particular a temperature, pressure sensor, an accelerometer and / or a gyroscope.
- the wear sensor also includes a location system, such as GPS or RFID type, which facilitates its location in case of detachment of the wear element. This facilitates its collection and prevents it from damaging other machines or installations, such as crushers, etc.
- the wear sensor can itself detect the fall of the wear element, thus facilitating its collection to prevent damage to other machines such as crushers, etc. Indeed, its fall will in any case cause a "change of state" (lack of communications between sensor wear and the outside, lack of communication between the two parts of the wear sensor) that can be recognized as a fall of the wear element.
- the wear sensor comprises consumption reduction means capable of periodically activating the sensor from a low consumption mode to an active mode and returning the sensor to the low consumption mode.
- consumption reduction means capable of periodically activating the sensor from a low consumption mode to an active mode and returning the sensor to the low consumption mode.
- the senor comprises energy storage means, preferably a battery.
- the sensor can act in a totally autonomous way with respect to the outside.
- the sensor may include some energy harvesting means (in English, energy harvesting).
- the elements of wear after their manufacture, are stored in more or less long periods of time. Due to the limitations of space (and cost), the battery will have a limited capacity, so it is interesting that the sensor is disabled while it is not installed in the machine. Therefore, it is advantageous for the sensor to include battery connection means suitable for being activated from the outside.
- a subject of the invention is also a wear element of a shovel of a earth moving machine characterized in that it comprises a wear sensor according to the invention.
- the wear element has a rear end suitable for being mounted to the blade or to a support fixed to the blade, where the rear end has an inner surface that, in the mounted position, faces the blade or the support, and has a hole extending from the inner surface into the wear element, and the sensor is housed in the hole.
- a subject of the invention is also an assembly formed by a wear element of a shovel of a earth moving machine and a support of the wear element, where the wear element has a rear end suitable for being mounted to the support and the support It has a front end suitable for mounting to the wear element, where the rear end has an inner surface that, in the assembled position, faces an inner surface of the front end of the support, and comprises a sensor composed of two parts according to the invention.
- the inner surface of the wear element has a hole that extends from the inner surface to the inside of the wear element and the first part of the sensor is housed in this hole
- the inner surface of the support has a second hole that extends from the inner surface of the support towards the inside of the support and the second part of the sensor is housed in this second hole.
- the support comprises a third hole suitable for housing a retaining pin of the wear element in the support and the second hole is communicated with the third hole through a communication hole. This communication hole allows radiofrequency transmission to be established through the gaps between the retaining pin and the third hole.
- the senor has the antenna arranged at the rear end of the sensor, specifically at the rear end of the second part of the sensor and, in particular, next to the communication hole.
- the object of the invention is also the use of a wear sensor according to the invention for the determination of the wear of a wear element in a shovel of a earth moving machine.
- Fig. 1 a sectional side elevation view of a first embodiment of an assembly formed by a wear element, its support and a wear sensor according to the invention.
- Fig. 2 a perspective view of the assembly section of Fig. 1.
- Fig. 3 a schematic side elevation view of the sensor of Fig. 1.
- Fig. 4 a top plan view of the sensor of Fig. 1, without the capsule.
- FIG. 5 an electrical diagram of the sensor sensor electrical circuit of Fig. 1.
- Fig. 6 a sectional side elevation view of a second embodiment of an assembly formed by a wear element, its support and a wear sensor according to the invention.
- Fig. 7 a perspective view of the assembly section of Fig. 6.
- Fig. 8 a schematic side elevation view of the sensor of Fig. 6, which is formed by a first part and a second part.
- Fig. 9 a top plan view of the first part of the sensor of Fig. 6, without the capsule.
- Fig. 10 a top plan view of the second part of the sensor of Fig. 6, without the capsule.
- Fig. 1 an electrical diagram of the electrical sensor circuit, the wireless connection means and the second wireless connection means of the sensor of Fig. 6, new.
- Fig. 13 a perspective view of a saucepan with a plurality of supports and wear elements mounted on its lip.
- Fig. 14 a sectional side elevation view of a third embodiment of a wear element according to the invention.
- Figs. 1 to 5 show a first embodiment of the present invention.
- a tooth 1 is mounted on a conventional support or adapter 3 which, in turn, is suitable for being mounted on the lip of a bucket of a earthmoving machine or the like (see Fig. 13).
- the tooth 1 is the wear element according to the present invention.
- the tooth 1 has at its rear end a housing in which a nose 7 is located located at the front end of the support 3.
- the housing has an inner surface 9 which, in a mounted position, will face an inner surface 1 1 of the nose 7.
- the inner surface 1 1 of the nose 7 is "inner" because it is isolated from the environment in the mounted position and not because it is a concave type surface.
- the designation "inner” is also because it remains isolated from the environment in the mounted position although, in the present case, it is also a convex surface. Therefore, in the case of other geometric solutions for coupling between the tooth and the support (for example that the tooth has a nose and the support a housing), it should always be understood that the interior surfaces are those that are not in contact with the environment in a mounted position.
- the wear sensor is monobloc, that is, it is formed by a single piece.
- the wear sensor comprises a capsule 15 inside which a printed circuit board 17 and a battery 19 are housed. All the hollow space available in the capsule 15 is filled with a polymeric material, so that both the printed circuit board and The battery 19 is embedded in the mass of polymeric material.
- the capsule 15 has substantially an elongated cylindrical shape with a closed end, although other geometries, such as a square cross section, are also possible. The other end has been closed by a lid 21.
- the printed circuit board 17 is conceptually divided into two parts, the control part, which is close to the cover 21 and the sensor part that is close to the closed end of the capsule 15.
- the sensor part is the one comprising the electrical circuit sensor that is formed by a plurality of resistors connected in parallel to each other.
- the sensing part is elongated and extends to the closed end of the capsule 15 thus defining the arm 23.
- Physically the resistances are arranged at the end of the sensing part close to the control part, that is, at the base 25 of the arm 23, while a plurality of electrical connections 27 (which establish the parallel electrical connection of the resistors) each extend a different length along the arm 23.
- the tooth 1 when worn away, will also wear the end of the sensor, so that the electrical connections 27 will be cut. This will cause the equivalent resistance of the set of resistors connected in parallel varies depending on the number of electrical connections 27 cut.
- the control part comprises a detection circuit capable of passing a certain current through the sensor electrical circuit and capable of detecting the voltage at terminals of the resistor assembly. In this way you can determine the value of the equivalent resistance and, consequently, know how many electrical connections 27 are cut.
- the control part further comprises a data transmission circuit, an antenna 28, a battery 19 as well as other elements necessary for the correct operation of the sensor.
- the antenna 28 is arranged at the rear end of the control part, that is, close to the inner surface 9 of the housing. In this way the radio frequency transmission can be established through the clearance between the inner surface 9 of the housing and the inner surface 1 1 of the nose 7.
- Figs. 6 to 12 show a second embodiment of the present invention.
- a tooth 1 mounted on a support 3 which, in turn, is suitable to be mounted on the lip of an excavator shovel.
- the support 3 has a second hole 29 and the sensor is composed of two parts, which are two independent parts.
- the first part 31 is housed in the hole 13 of the tooth 1 while the second part 33 is housed in the second hole 29 of the support 3.
- Both holes 13 and 29 face each other in the mounted position whereby the First part 31 and second part 33 are also facing each other in the mounted position.
- the first part 31 comprises the electrical sensor circuit which, as in the previous case, is formed by a substantially elongated printed circuit board that defines the arm 23.
- the electrical circuit sensor comprises a cascade of LC circuits.
- a plurality of electrical connections extend along the arm 23, which will be the ones that will be cut as the wear of the tooth 1 progresses.
- the electrical sensor circuit is wrapped by a capsule 15 and the hollow space between the capsule 15 and the printed circuit board is filled with a polymeric material.
- the detection circuit, the data transmission circuit, the antenna 28, the battery 19 and the remaining elements necessary for the correct operation of the sensor are in the second part 33. Since there is no electrical connection between the first part 31 and The second part 33, each of them comprises a ferrite core 35, which make up the wireless connection means and the second wireless connection means.
- the ferrite core 35 of the first part 31 is disposed at the rear end thereof, while the ferrite core 35 of the second part 33 is disposed at the front end thereof, so that, in the assembled position, both ferrite cores 35 are facing each other and as close as possible to each other.
- the second part 33 is housed in a second capsule 37 and the hollow space between the second capsule 37 and the printed circuit board is also filled with a polymeric material.
- caps 21 which, in this case, are made of a ceramic material, such as alumina. This is because, in the present alternative, these caps 21 must protect the ferrite cores 35, which are very delicate.
- the antenna 28 is again at the rear end of the sensor, specifically at the rear end of the second part 33. This end is close to a third hole 38 disposed in the support 3 on the that tooth 1 is mounted.
- a retention pin is inserted through holes arranged on both sides of the tooth 1, the retention pin being housed in the third hole 38.
- the orientation of the pin is not relevant and, for example, could be arranged vertically, that is, in a rotated position 90 e with respect to the position shown in Figs.
- the clearance between the retention pin, the support 3 and the tooth 1 is sufficient to allow the passage of the radiofrequency signal. Therefore, the support 3 has the second hole 29 communicated with the third hole 38 through a communication hole 39, which facilitates the transmission of the radio frequency signal from the antenna 28 to the third hole 38 and, from there , to the outside.
- Figs. 1 1 and 12 allow to see the corresponding part of the sensor electrical circuit to the right of the scheme and the wireless connection means and the second wireless connection means with the corresponding ferrite cores 35 in the central part.
- Fig. 12 two LC circuits that have already been destroyed by wear have been marked with a cross.
- the response of the sensor electrical circuit of Figs. 1 1 and 12 at a given input signal (for example, a sync signal) will be different in both cases, so the sensor can know the wear level of the wear element.
- the wear sensor has two arms, which extend in two different directions (which can be perpendicular but could also form an acute angle between them). In this way, wear of the wear element in two different directions can be controlled.
- This solution is compatible with both the monobloc alternative and the alternative of a sensor consisting of two physically independent parts.
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580081879.XA CN107849836B (zh) | 2015-07-24 | 2015-07-24 | 磨损传感器以及相应的磨损元件、组件和用途 |
CA2993410A CA2993410C (en) | 2015-07-24 | 2015-07-24 | Wear sensor and the corresponding wear element, assembly and use |
EP15760207.9A EP3327205A1 (en) | 2015-07-24 | 2015-07-24 | Wear sensor and wear element, and corresponding assembly and use |
PCT/ES2015/070574 WO2017017289A1 (es) | 2015-07-24 | 2015-07-24 | Sensor de desgaste y elemento de desgaste, conjunto y uso correspondientes |
US15/746,891 US10677699B2 (en) | 2015-07-24 | 2015-07-24 | Wear sensor and the corresponding wear element, assembly and use |
AU2015403425A AU2015403425B2 (en) | 2015-07-24 | 2015-07-24 | Wear sensor and wear element, and corresponding assembly and use |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2015/070574 WO2017017289A1 (es) | 2015-07-24 | 2015-07-24 | Sensor de desgaste y elemento de desgaste, conjunto y uso correspondientes |
Publications (1)
Publication Number | Publication Date |
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WO2017017289A1 true WO2017017289A1 (es) | 2017-02-02 |
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ID=54065382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/ES2015/070574 WO2017017289A1 (es) | 2015-07-24 | 2015-07-24 | Sensor de desgaste y elemento de desgaste, conjunto y uso correspondientes |
Country Status (6)
Country | Link |
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US (1) | US10677699B2 (es) |
EP (1) | EP3327205A1 (es) |
CN (1) | CN107849836B (es) |
AU (1) | AU2015403425B2 (es) |
CA (1) | CA2993410C (es) |
WO (1) | WO2017017289A1 (es) |
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US10011975B2 (en) | 2015-02-13 | 2018-07-03 | Esco Corporation | Monitoring ground-engaging products for earth working equipment |
US10024033B2 (en) | 2013-11-25 | 2018-07-17 | Esco Corporation | Wear part monitoring |
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EP3992376A1 (en) | 2020-10-28 | 2022-05-04 | Metalogenia Research & Technologies S.L. | Apparatuses for earth moving machines with data transmission capabilities |
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DE102018115959A1 (de) * | 2018-07-02 | 2020-01-02 | Wirtgen Gmbh | Verschleißbauteil einer Fräsmaschine, Fräsmaschine und Verfahren zur Bestimmung des Verschleißes des Verschleißbauteils |
DE102018118134A1 (de) * | 2018-07-26 | 2020-01-30 | Frank Walz- und Schmiedetechnik GmbH | Werkzeuganordnung für die Montage an der Landmaschine, Landmaschine sowie Verfahren zum Betreiben einer solchen |
EP3666983A1 (en) * | 2018-12-12 | 2020-06-17 | Metalogenia Research & Technologies S.L. | Force measuring system for earth moving machinery |
US11711990B2 (en) | 2019-03-27 | 2023-08-01 | Cnh Industrial America Llc | Systems and methods for monitoring the presence of a shank attachment member of an agricultural implement |
US11225778B2 (en) | 2019-03-27 | 2022-01-18 | Cnh Industrial America Llc | Systems and methods for monitoring the wear of a shank attachment member of an agricultural implement |
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Also Published As
Publication number | Publication date |
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EP3327205A1 (en) | 2018-05-30 |
US10677699B2 (en) | 2020-06-09 |
US20200088617A1 (en) | 2020-03-19 |
CN107849836B (zh) | 2020-10-23 |
CN107849836A (zh) | 2018-03-27 |
AU2015403425A1 (en) | 2018-01-25 |
AU2015403425B2 (en) | 2020-02-27 |
CA2993410C (en) | 2020-05-26 |
CA2993410A1 (en) | 2017-02-02 |
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