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WO2016158586A1 - Unité de détection pour détecter le desserrement d'un écrou de roue, et dispositif la comprenant - Google Patents

Unité de détection pour détecter le desserrement d'un écrou de roue, et dispositif la comprenant Download PDF

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Publication number
WO2016158586A1
WO2016158586A1 PCT/JP2016/059059 JP2016059059W WO2016158586A1 WO 2016158586 A1 WO2016158586 A1 WO 2016158586A1 JP 2016059059 W JP2016059059 W JP 2016059059W WO 2016158586 A1 WO2016158586 A1 WO 2016158586A1
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WO
WIPO (PCT)
Prior art keywords
sensor unit
wheel
sensor
spacer
hub
Prior art date
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Ceased
Application number
PCT/JP2016/059059
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English (en)
Japanese (ja)
Inventor
泰孝 楠見
雄一郎 野呂
浩也 加藤
健太郎 西川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Publication of WO2016158586A1 publication Critical patent/WO2016158586A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed

Definitions

  • the present invention relates to a wheel nut looseness detecting device for detecting looseness of a wheel nut in a fastening portion between a hub and a wheel used in a power transmission system of automobiles and various industrial machines, and a sensor unit for detecting the looseness.
  • the appearance check after tightening the nut, indicate the circumferential phase between the nut and the wheel with a paint marker, or attach a cap that understands the circumferential phase to the nut to make it easier to detect the circumferential phase shift due to looseness.
  • the hammering check is generally based on the inspector's empirical rules, but there are also diagnostic tools that incorporate an accelerometer into the hammering device to detect changes in the resonance frequency due to nut loosening or bolt damage. Exists.
  • the device for detecting the acting force of the tire includes an elastic body having a columnar portion and a plate-like portion between a wheel support portion (hub) and a wheel, and the tire contact is determined from information such as stress and strain generated in each portion. Calculate and detect the acting force on the ground.
  • This device is provided with a stress concentrating portion that increases the strain in the plate-like portion, but the specific proposal is not described in the patent document.
  • Japanese Patent No. 4860680 Japanese Patent No. 5455357 Japanese Patent No. 5083314
  • the method and apparatus for confirming the fastening state described above have the following problems.
  • An object of the present invention is to detect a wheel nut looseness that can detect an abnormality such as looseness of a wheel nut during operation such as traveling, has excellent detection accuracy, has a simple structure, and has little influence on the support rigidity of the wheel. To provide a sensor unit for detecting the looseness.
  • the sensor unit for detecting the loosening of the wheel nut is provided over the entire circumference of the hub, and between the heads of the plurality of hub bolts for attaching the wheel to the hub and the corresponding wheel nuts.
  • the ring-shaped spacer member is interposed between the heads of the plurality of hub bolts arranged in the circumferential direction and the corresponding wheel nuts.
  • the spacer-like member is distorted at the circumferential phase portion between the two bolt holes due to the difference in tightening force with other wheel nuts. This distortion is detected by the distortion sensor, and abnormality can be determined from the detected data.
  • the spacer member for causing distortion is a ring-shaped member interposed between the head of the hub bolt and the wheel nut, and a structure in which a strain sensor is attached to the spacer member has a structure. Is simple and has little effect on the support rigidity of the wheel.
  • the sensor unit only needs to be interposed between the head of the hub bolt and the wheel nut.
  • the sensor unit may be disposed between the hub and the wheel, between the double wheel and between the wheel and the nut. .
  • a recess and / or a lacking portion may be formed in a region other than the region within the outermost diameter of the plurality of wheel nuts.
  • the spacer-like member includes a power supply for energizing the strain sensor and the communication device, and a communication device that communicates a detection signal of the strain sensor at a circumferential phase portion between the at least two bolt holes. It may be provided.
  • a communication device and a power source are required, but by arranging the communication device and the power source in the circumferential phase portion between the bolt holes of the spacer-like member,
  • the sensor unit can be configured compactly.
  • the spacer-like member needs a certain thickness for tightening at the circumferential phase portion where the bolt holes are present, but the circumferential phase portion between the two bolt holes may be thin. Therefore, for example, by arranging the communication device and the power source in the space generated by the thinning, the communication device and the power source can be arranged without increasing the overall thickness of the sensor unit.
  • the circumferential phase portion between the at least two bolt holes of the spacer member may be a thin portion.
  • a thin portion By providing such a thin portion, it can be used as a mounting part for a sensor, a communication device, a power supply, etc., and the mounted sensor can be prevented from protruding from the entire thickness of the spacer member. Therefore, the spacer member can be sandwiched between the members without hindrance.
  • strain can be concentrated, the sensitivity of a distortion detection can be improved, and the precision of the abnormality determination of a fastening state can be improved.
  • the spacer member may have a thinnest portion serving as a strain concentration portion in a part of the circumferential phase portion that is the thin portion between the at least two bolt holes.
  • the at least one strain sensor may be composed of a diaphragm attached to the spacer member and distorted by deformation of the spacer member, and a sensor element attached to the diaphragm and detecting the distortion of the diaphragm. . Rather than providing a thin portion on the spacer-like member itself, even if the diaphragm is provided as described above, the distortion of the spacer-like member can be detected with high sensitivity.
  • the sensor unit may further include a temperature sensor that detects temperature and an acceleration sensor that detects acceleration. Since the detection value of the strain of the strain sensor varies depending on the temperature, it is preferable to detect the temperature by the temperature sensor and perform temperature correction in order to improve the accuracy of the fastening state abnormality determination.
  • the temperature sensor can also detect abnormal heat generation due to brake dragging.
  • the acceleration sensor can also detect damage to the hub bearing and abnormalities such as tire punctures.
  • the sensor unit may further include wireless communication means for performing wireless communication for transmitting detection data of the strain sensor. Since the sensor unit rotates together with the wheel, a sliding part such as a slip ring is required for wired wiring. Therefore, it is preferable to use wireless communication.
  • wireless communication means short-range wireless communication means of various standards can be adopted.
  • a wheel nut loosening detection device includes the sensor unit and a fastening state determination unit that determines an abnormality in a fastening state of the wheel nut according to a predetermined reference from detection data of the at least one strain sensor.
  • the “predetermined standard” may be an arbitrarily defined standard.
  • the fastening state determination means determines the abnormality of the fastening state according to a predetermined standard from the distortion detection data, the detection accuracy is excellent.
  • the fastening state determination unit can arbitrarily set the frequency of determining the abnormality and can determine during the traveling of the vehicle including the wheel. Since the usage pattern of the vehicle or the like in which the wheel is used varies greatly depending on the user or the like, it is convenient to use the abnormality determination at a frequency corresponding to the usage pattern. Further, if the determination can be made during traveling, it becomes possible to detect loosening of the nut that has occurred during traveling.
  • FIG. 2 is a cutaway perspective view showing a mounting portion of a sensor unit of a wheel assembly in the wheel nut loosening detection device of FIG. 1.
  • FIG. 1 It is a fragmentary perspective view which shows the 3rd example of the form of the thin part in the sensor unit of FIG. 2 from the front side and a back side.
  • FIG. 1 It is a block diagram of a conceptual structure of the wheel nut loosening detection apparatus of FIG. It is a figure which shows the flow of operation
  • FIG. 1 shows an entire system in which the wheel nut loosening detection device S according to the first embodiment is adopted in a large commercial vehicle.
  • the wheel nut looseness detection device S is a fastening state determination provided in the spacer type sensor unit 3 mounted on the wheel portion of the wheel assembly 2A of the vehicle 1 and the information processing device 4 such as the vehicle-mounted device 4A or the portable terminal 4B.
  • the information processing device 4 such as the vehicle-mounted device 4A or the portable terminal 4B.
  • And means 5 In FIG. 1, a vehicle 1 is a truck that is a large commercial vehicle.
  • the vehicle-mounted device 4A may be able to read information from an ECU (electric control unit) mounted on the vehicle 1.
  • ECU electric control unit
  • the mobile terminal 4B is a mobile phone such as a so-called smart phone having an information processing function, or a terminal dedicated to maintenance including portability-free locking detection or other maintenance applications.
  • the fastening state determination unit 5 may be provided in any one of the information processing devices 4, but a plurality of information processing devices 4 such as the vehicle-mounted device 4 ⁇ / b> A and the portable terminal 4 ⁇ / b> B having the fastening state determination unit 5 may be provided.
  • the said fastening state determination means 5 may be provided in information processing apparatuses, such as a server (not shown) connected to the said onboard equipment 4A and the portable terminal 4B via a wide area network.
  • FIG. 2 is a cross-sectional view showing the sensor unit 3 mounted on a rear axle double wheel when the vehicle 1 is a large commercial vehicle, cut along a plane passing through the rotation axis. .
  • the wheel assembly 2A two wheels 2 and 2 are stacked on one side of the flange 6a of the hub 6 so as to face each other, and a brake drum 9 is stacked on the other side of the flange 6a. These wheels 2 and 2 and the brake drum 9 are clamped and fixed between the head 7 a of the hub bolt 7 and the wheel nut 8.
  • the hub bolts 7 are provided at a plurality of locations in the circumferential direction of the hub 6 and are inserted through bolt holes provided in the flange 6 a, the wheels 2, 2, and the brake drum 9.
  • the hub 6 is installed on the outer periphery of an axle (not shown), but even if it is a part that constitutes a part of a hub bearing (that is, a wheel bearing), the part is provided separately from the hub bearing. It may be.
  • a tire 10 is provided on the outer periphery of each wheel 2, 2, and the wheel 2 and the tire 10 constitute a wheel assembly 2 ⁇ / b> A.
  • the sensor unit 3 is a circular ring-shaped and plate-like component concentric with the wheel 2.
  • the sensor unit 3 is positioned between the two wheels 2, 2, and the head 7 a of each hub bolt 7 and the wheel nut 8. It is interposed between the hub bolt 7 and the wheel nut 8.
  • the sensor unit 3 has bolt holes 11 (FIG. 1) at a plurality of locations in the circumferential direction, and hub bolts 7 are inserted through these bolt holes 11.
  • FIG. 3A to 3C are enlarged views of the tightening portion of the sensor unit 3 in FIG. 2 by the wheel nut 8.
  • the sensor unit 3 may be disposed between the two wheels 2 and 2 as in the first mounting example of FIG. 3A. Instead, it may be disposed between the wheel 2 and the wheel nut 8 as in the second mounting example of FIG. 3B. Further alternatively, it may be disposed between the flange 6a of the hub 6 and the wheel 2 as in the second mounting example of FIG. 3C.
  • the sensor unit 3 is between the head 7 a of the hub bolt 7 and the wheel nut 8, it is between the flange 6 a of the hub 6 and the brake drum 9, or between the brake drum 9 and the head 7 a of the hub bolt 7.
  • the hub bolt 7 may be disposed between the head 7a of the hub bolt 7 and the flange 6a of the hub 6.
  • 6 is preferably arranged closer to the wheel nut 8 than the flange 6a.
  • the spacer type sensor unit 3 is disposed in the rear wheel double wheel portion.
  • the wheel assembly to which the wheel nut looseness detecting device is applied is a front tire single tire specification. May be.
  • FIG. 4 shows the sensor unit 3 according to this embodiment.
  • the sensor unit 3 includes a ring-like plate-like spacer member 12 and one or a plurality of strain sensors 13 attached to the spacer member 12.
  • the strain sensor 13 is, for example, a foil strain gauge, a line strain gauge, or a semiconductor strain gauge.
  • a temperature sensor 14 and an acceleration sensor 15 are attached to the spacer member 12 as a state detection sensor 21 that detects the state of the wheel 2.
  • a gyroscope and a rotation sensor both not shown
  • the state detection sensor 21 is a generic name for the sensors.
  • the spacer member 12 is provided with a communication device 16 and a power source 17.
  • a power source / communication unit 18 is used in which the communication device 16 and the power source 17 are combined into one component.
  • the spacer-like member 12 is a member for causing deformation due to a difference in tightening force between the hub bolt 7 and the wheel nut 8 at each part of the hub. As described above, the bolt hole 11 through which each hub bolt 7 is inserted is provided. It has been.
  • the material of the spacer-like member 12 may be formed of a metal material having high strength and rigidity such as an iron alloy, or may be formed of a metal material having relatively high elasticity such as an aluminum alloy. .
  • the spacer member 12 has a thick portion 12a described later.
  • the spacer-like member 12 has a shape in which neither a dent nor a missing portion exists in a region within the outermost diameter of the wheel nut 8, and this region is constituted by a thick portion 12 a. By adopting this shape, it is possible to connect firmly without impairing the axial force applied to the member related to the fastening of the wheel 2 by fastening the wheel nut 8.
  • the wheel nut 8 has a washer part (not shown) integrally, the said outermost diameter is an outermost diameter containing the said washer part.
  • the spacer member 12 further has a thin portion 12b.
  • the phase portion where the bolt hole 11 exists, that is, the portion around the bolt hole 11 is the thick portion 12a, whereas the phase portion between the bolt holes 11 is the thin portion 12b.
  • the thin-walled portion 12b has a shape in which only one main surface of the spacer-shaped member 12 is recessed from the thick-walled portion 12a even if both main surfaces of the spacer-shaped member 12 are recessed from the thick-walled portion 12a. Also good. Sensors such as the strain sensor 13, the temperature sensor 14, and the acceleration sensor 15, the communication device 16, the power supply 17, and the power supply / communication unit 18 are mounted on the phase portion between the bolt holes 11 that are the thin wall portions 12 b. . In addition, as shown in FIG. 4, the inner peripheral part of one main surface of the spacer-shaped member 12 is a thin part covering the whole periphery, and is utilized for wiring.
  • the spacer-like member 12 may further have a thinnest portion 12c serving as a strain concentration portion as shown in FIGS. 5A to 5C, for example, in a part of the phase portion that is the thin portion 12b.
  • the thin wall portion 12b has both main surfaces of the spacer member 12 recessed with respect to the thick wall portion 12a, and the phase portion between the bolt holes 11 on the front surface of the spacer member 12
  • An intermediate protrusion 12d which is in the same plane as the thick portion 12a, is provided in the center so as to extend in the radial direction, so that the thin portion 12b is divided into two portions arranged in the circumferential direction.
  • a groove extending in the radial direction is formed at each of the divided portions, and the bottom portion of the groove is the thinnest portion 12c.
  • These thinnest portions 12c are sensor mounting positions 12e.
  • the intermediate protrusion 12d in FIG. 5A does not exist in any of the second and third examples, and the thin portion 12b continues to the entire phase portion between the bolt holes 11.
  • a groove extending in the radial direction is formed in the center of the thin portion 12b in the circumferential direction, and the bottom portion of the groove is the thinnest portion 12c.
  • the thinnest part 12 c is formed by the groove as in the second example of FIG. 5B, but the thinnest part 12 c is biased in the circumferential direction from the center between the bolt holes 11. . 5B and 5C, the thinnest portion 12c is the sensor mounting position 12e.
  • the strain sensor 13 (FIG. 4) is attached to the back surface of the thinnest portion 12c, that is, the main surface opposite to the groove constituting the thinnest portion 12c. May be. Instead, it may be attached to the bottom of the groove of the thinnest part 12c. In any case, the strain sensor 13 detects strain concentrated on the thinnest portion 12c.
  • the illustrated phase portion is inverted between the front and the back, so that the position of the thinnest portion 12c is inverted between the front and back views. Appears.
  • a diaphragm-type strain sensor 13 for detecting strain may be mounted on the spacer-like member 12 as shown in an example of the strain sensor in FIG.
  • the diaphragm type strain sensor 13 includes a diaphragm 13a and a sensor element 13b that detects the distortion of the diaphragm 13a.
  • the first and second examples of attachment are respectively provided with the thinnest portion 12c in the spacer-like member 12 itself, and the distortion formed by the diaphragm 13a and the sensor element 13a is provided here.
  • a sensor 13 may be provided.
  • the spacer member 12 is composed of one sheet. However, a plurality of spacer members (not shown) are combined to form one spacer member. You may comprise a member.
  • FIG. 6 is a block diagram showing the system configuration of this wheel nut loosening detection device.
  • arrows indicate the flow of detection data.
  • the sensor unit 3 is provided for each wheel assembly 2A.
  • Each sensor unit 3 includes a state detection sensor 21 including a strain sensor 13, a temperature sensor 14, and an acceleration sensor 15, and a communication device 16 that communicates detection data of these state detection sensors 21.
  • a double wheel as shown in FIGS. 2 and 3A to 3C, one sensor unit 3 is provided for the two wheels 2 and 2 constituting the double wheel.
  • reference numerals “A to Z” shown in the blocks of the wheel assembly 2A and the sensor unit 3 are codes for identifying individual pairs of the wheel assembly 2A and the sensor unit 3, and the wheel assembly 2A.
  • the sensor unit 3 provided in the wheel assembly 2A are given the same reference numerals “AZ”.
  • the information processing device 4 such as the vehicle-mounted device 4A or the portable or communication terminal 4B having the fastening state determination means 5 is provided for a plurality of sensor units 3, for example, for all the sensor units 3 provided in one vehicle. One is provided.
  • the information processing apparatus 4 is mainly composed of a computer and a program.
  • the information processing device 4 includes a communication device 22 that communicates with the communication device 16 of each sensor unit 3, an information processing unit 23, and a display unit 24.
  • the information processing unit 23 is provided with the fastening state determination means 5. That is, the processor of the information processing device 4 is programmed to execute the fastening state determination means 5.
  • the display unit 24 is a means for displaying an image on a screen composed of a liquid crystal display device or the like. The display unit 24 displays the result and the like determined by the fastening state determination unit 5 on the screen.
  • the communication device 16 of the sensor unit 3 and the communication device 22 of the information processing device 4 perform wireless communication in accordance with standards for wireless communication and short-range wireless communication (for example, Bluetooth (registered trademark)).
  • standards for wireless communication and short-range wireless communication for example, Bluetooth (registered trademark)
  • the engagement state determination means 5 determines abnormality of the engagement state of the wheel nut 8 from the detection data of the strain sensor 13 according to a predetermined standard.
  • the said fastening state determination means 5 determines the abnormality of the fastening state of the wheel nut 8 for every sensor unit 3.
  • the fastening state determination means 5 includes a data storage unit 5a, a signal analysis unit 5b, and a state determination unit 5c.
  • the data storage unit 5 a stores the detection signal of the state detection sensor 21 such as the strain sensor 13 and other determined information transmitted from the sensor unit 3.
  • the signal analysis unit 5b analyzes a signal that is a preprocessing necessary for determining the abnormality in the fastening state.
  • the state determination part 5c determines abnormality of the fastening state of the wheel nut 8 using the information analyzed by the signal analysis part 5b.
  • the engagement state determination means 5 performs brake dragging based on the function of correcting the temperature drift of the distortion using the detected temperature of the temperature sensor 14 and the detected temperature of the temperature sensor 14 in addition to the determination of the abnormality of the engagement state of the wheel nut 8. It is possible to detect abnormal heat generation of the wheel 2 due to the above.
  • the fastening state determination means 5 further has a function of detecting abnormality such as damage to a hub bearing (not shown) and puncture of the tire 10 from detection data of the acceleration sensor 15.
  • the fastening state determination unit 5 has a function of displaying each detection result on the display unit 24.
  • the frequency of each detection such as abnormality in the fastening state can be appropriately set by an input from an input means (not shown) provided in the information processing apparatus 4. Further, in the engagement state determination means 5, an abnormality in the engagement state can be detected even while the vehicle is traveling.
  • the input means is, for example, a key switch or a touch panel provided on the screen of the display unit 24.
  • the spacer type sensor unit 3 is installed at the wheel fastening portion (between the flange 6a of the hub 6 and the wheel 2 or between the wheel 2 and the wheel nut 8). Then, using the measurement data of the state detection sensor 21 such as the strain sensor 13 installed in the sensor unit 3, a fastening abnormality such as looseness of the wheel nut 8 or breakage of the hub bolt 7 is detected.
  • the state detection sensor 21 mounted on the sensor unit 3 includes a strain sensor 13 and a temperature sensor 14 for detecting strain and temperature (for distortion temperature drift correction and detection of abnormal heating of wheels), and an acceleration 15 sensor, respectively.
  • the wheel nut loosening detection device according to the present embodiment can also monitor the state during traveling.
  • FIG. 7 is a block diagram showing a method for using the wheel nut loosening detection device according to the present embodiment and a flow of operation. The supplementary explanation of the operation and configuration of the wheel nut loosening detection device will be given with reference to FIG.
  • the sensor unit 3 is assembled between the hub 6 and the wheel nut 8, and the wheel nut 8 is assembled with a regular tightening torque.
  • the state of components such as the wheel 2 is measured by the built-in state detection sensors 21, and the measurement data is transmitted to the communication terminal 4B or the vehicle-mounted device 4A.
  • the measurement data is received from the sensor unit 3. Further, the measurement data is stored in the data storage unit 5a as input of vehicle type and part information and as reference data for abnormality determination.
  • the vehicle type and part information may be input from the input device unit of the communication terminal 4B or the vehicle-mounted device 4A, or stored in the sensor unit 3 as initial setting data, and the stored data is communicated.
  • the terminal 4B or the vehicle-mounted device 4A may be transmitted and the received data may be input.
  • the sensor unit 3 measures the state of the component by each built-in state detection sensor 21.
  • the measurement object is the distortion, temperature, acceleration, etc. of the spacer-like member 12.
  • the communication terminal 4B or the vehicle-mounted device 4A performs the following processing.
  • the data storage unit 5a, the signal analysis unit 5b, or the state determination unit 5c, the data storage unit, the signal analysis unit, or the state determination unit will be described below. Specify what will be done.
  • the communication terminal 4B or the vehicle-mounted device 4A receives the measurement data from each sensor unit 3, corrects the temperature of the distortion data (data storage unit 5a) with the temperature data (signal analysis unit 5b), and uses the corrected distortion data. Then, a determination process of a fastening abnormality is performed (state determination unit 5c). Also, abnormal heat generation determination processing is performed based on the temperature data (data storage unit 5a) (state determination unit 5c). From the input specific information (data storage unit 5a) of the measurement part described above, past measurement data for the part is extracted (data storage part 5a), the fastening abnormality determination process (state determination part 5c), and Used in the abnormal heat generation determination process (state determination unit 5c).
  • the sensor unit 3 includes the acceleration sensor 15
  • frequency analysis is performed from the received acceleration data (data storage unit 5 a) (signal analysis unit 5 b), and abnormality determination processing for peripheral components of the wheel 2 is performed (state determination unit) 5c).
  • the extracted past measurement data is also used for this process.
  • each determination process it is determined whether there is an abnormality in the data (state determination unit 5c). For example, it is determined whether or not the data exceeds a threshold value, and whether or not there is a tendency to be different from detection data of other strain sensors 13 provided at a plurality of other locations of the sensor unit 3 (state determination unit 5c). . When there is no abnormality, “no abnormality” is displayed on the display unit 24, and when there is an abnormality, “abnormal” is displayed. Each measurement data and determination result are stored (data storage unit 5a).
  • abnormalities such as looseness of the wheel nut 8 can be monitored and detected during operation such as running, the detection accuracy is excellent, the structure is simple, and the wheel is supported.
  • the effect on rigidity is small.
  • maintainability is improved, determination accuracy is improved, and determination criteria are quantified (abnormal portions can be determined).
  • the sensor unit 3 can be easily attached to and detached from the vehicle, and has little influence on the vehicle weight, axle width, and support rigidity.

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Abstract

L'invention concerne une unité de détection (3) pouvant détecter une anomalie dans l'état de desserrement ou analogue d'un écrou de roue (8) au cours du fonctionnement lors d'un déplacement ou analogue, présentant une excellente précision de détection, une structure simple, et ayant peu d'impact sur la rigidité de support de la roue (2). La présente invention est équipée d'une unité de détection de type à espacement (3) et un moyen de détermination d'état de fixation (5). L'unité de détection (3) est équipée : d'un élément en forme d'espacement produisant une déformation (12) qui forme une forme d'anneau et qui est interposé le long de la circonférence totale d'un moyeu (6) entre l'écrou de roue (8) et la tête (7a) de chaque boulon de moyeu (7) pour fixer la roue (2) au moyeu (6), et reçoit la force de serrage provenant des boulons de moyeu (7) et des écrous de roue (8); et d'un détecteur de contrainte (13). En outre, le moyen de détermination d'état de fixation (5) comprend un dispositif de traitement d'informations (4) comprenant une unité embarquée (4A) dans un véhicule ou un terminal portatif (4B).
PCT/JP2016/059059 2015-03-30 2016-03-22 Unité de détection pour détecter le desserrement d'un écrou de roue, et dispositif la comprenant Ceased WO2016158586A1 (fr)

Applications Claiming Priority (2)

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JP2015067948A JP6466223B2 (ja) 2015-03-30 2015-03-30 ホイールナット緩み検出装置およびその緩み検出用のセンサユニット
JP2015-067948 2015-03-30

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WO2023026454A1 (fr) * 2021-08-27 2023-03-02 太平洋工業株式会社 Support et dispositif de détermination de relâchement

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CN111551105B (zh) * 2020-06-16 2022-02-11 襄阳吉盛邦机械有限公司 一种后轮毂加工用变形检测方法
CN111976737B (zh) * 2020-09-03 2024-03-19 摩登汽车有限公司 汽车的车轮松动监测系统及汽车
JP7770184B2 (ja) * 2021-12-27 2025-11-14 Ｔｏｙｏ Ｔｉｒｅ株式会社 ホイールナット緩み予測装置、ホイールナット緩み予測方法、演算モデル生成システムおよび車両運用システム
WO2023144942A1 (fr) * 2022-01-26 2023-08-03 太平洋工業株式会社 Dispositif de détection de jeu d'élément de fixation et dispositif d'avertissement de jeu d'élément de fixation
WO2024024731A1 (fr) * 2022-07-27 2024-02-01 株式会社東海理化電機製作所 Dispositif de détection, dispositif de détection d'état et procédé de détection
JP2024078910A (ja) * 2022-11-30 2024-06-11 株式会社東海理化電機製作所 判定装置
JP7533661B1 (ja) 2023-03-20 2024-08-14 いすゞ自動車株式会社 測定制御装置及び測定制御方法
JP7716048B2 (ja) * 2023-06-21 2025-07-31 為升電装工業股▲分▼有限公司 ホイール緩み検出装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004198185A (ja) * 2002-12-17 2004-07-15 Honda Motor Co Ltd 車両運動情報検出装置
JP2007127586A (ja) * 2005-11-07 2007-05-24 Toyota Motor Corp 圧力検出装置
WO2008142841A1 (fr) * 2007-05-14 2008-11-27 Ntn Corporation Dispositif de palier et dispositif pour détecter une précharge de palier
JP2009128265A (ja) * 2007-11-27 2009-06-11 Ntn Corp センサ付車輪用軸受
JP2012088091A (ja) * 2010-10-15 2012-05-10 Nitto Seiko Co Ltd ワッシャ型ロードセルおよびスラスト荷重検出機構

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033031A (en) * 1959-07-27 1962-05-08 Waukesha Bearings Corp Tilting pad type thrust bearings having integral means for measuring thrust loads
JPS6161440U (fr) * 1984-09-28 1986-04-25
JPH0645106B2 (ja) * 1989-02-08 1994-06-15 株式会社日立製作所 ボルト締結方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004198185A (ja) * 2002-12-17 2004-07-15 Honda Motor Co Ltd 車両運動情報検出装置
JP2007127586A (ja) * 2005-11-07 2007-05-24 Toyota Motor Corp 圧力検出装置
WO2008142841A1 (fr) * 2007-05-14 2008-11-27 Ntn Corporation Dispositif de palier et dispositif pour détecter une précharge de palier
JP2009128265A (ja) * 2007-11-27 2009-06-11 Ntn Corp センサ付車輪用軸受
JP2012088091A (ja) * 2010-10-15 2012-05-10 Nitto Seiko Co Ltd ワッシャ型ロードセルおよびスラスト荷重検出機構

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104511A3 (fr) * 2016-12-09 2018-08-16 iq contec GmbH Dispositif d'assemblage, procédé de surveillance et outil de montage pour un dispositif d'assemblage
WO2023026454A1 (fr) * 2021-08-27 2023-03-02 太平洋工業株式会社 Support et dispositif de détermination de relâchement

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