US20180306578A1 - Master disk, master disk mounting method, and master disk removal method - Google Patents

Master disk, master disk mounting method, and master disk removal method Download PDF

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Publication number
US20180306578A1
US20180306578A1 US15/548,090 US201515548090A US2018306578A1 US 20180306578 A1 US20180306578 A1 US 20180306578A1 US 201515548090 A US201515548090 A US 201515548090A US 2018306578 A1 US2018306578 A1 US 2018306578A1
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United States
Prior art keywords
tire
master disk
section
rim
holding device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/548,090
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English (en)
Inventor
Yoshikazu Nishihara
Kunio Matsunaga
Tatsuya Ueda
Hiroaki YONEDA
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.)
Mitsubishi Heavy Industries Machinery Systems Co Ltd
Original Assignee
Mitsubishi Heavy Industries Machinery Systems 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.)
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Publication date
Application filed by Mitsubishi Heavy Industries Machinery Systems Co Ltd filed Critical Mitsubishi Heavy Industries Machinery Systems Co Ltd
Assigned to MITSUBISHI HEAVY INDUSTRIES MACHINERY TECHNOLOGY CORPORATION reassignment MITSUBISHI HEAVY INDUSTRIES MACHINERY TECHNOLOGY CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MATSUNAGA, Kunio, NISHIHARA, YOSHIKAZU, UEDA, TATSUYA, YONEDA, HIROAKI
Assigned to MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. reassignment MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MITSUBISHI HEAVY INDUSTRIES MACHINERY TECHNOLOGY CORPORATION
Publication of US20180306578A1 publication Critical patent/US20180306578A1/en
Abandoned legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • G01M17/02Tyres
    • G01M17/021Tyre supporting devices, e.g. chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/20Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • G01M17/02Tyres

Definitions

  • the present invention relates to a master disk which simulates a tire and is used at the time of confirmation or correction of the measurement accuracy of a geometry measuring device for measuring the surface shape of a tire, of a tire testing machine, a method of mounting the master disk on a spindle of a tire holding device of the tire testing machine, and a method of removing the master disk from the spindle.
  • a shape inspection of inspecting the presence or absence of a defect by measuring a surface shape such as concavity and convexity or undulation is performed in a tire testing machine.
  • a geometry measuring device which is used for measurement of the surface shape of such a tire for example, a geometry measuring device made so as to be able to inspect the presence or absence of a defect of the surface shape such as concavity and convexity or undulation of a tire by measuring the tire with a laser displacement meter or the like while irradiating the tire with a laser beam while rotating a spindle of a tire holding device of a tire testing machine, after the tire is held by a test rim mounted on the spindle, is known (refer to PTL 1 below).
  • the present invention has an object to provide a master disk in which mounting work or removal work can be easily carried out, a method of mounting the master disk, and a method of removing the master disk.
  • a master disk which simulates a tire and is used at the time of confirmation or correction of measurement accuracy of a geometry measuring device for measuring a surface shape of a tire, of a tire testing machine, the master disk being able to be mounted on and removed from automatic exchange means.
  • the master disk includes: a simulated tire section simulating a tire; a first tubular section having a cylindrical shape, in which a tip side thereof is connected to one end side in an axial direction of the simulated tire section so as to be coaxial with the simulated tire section and a guide surface inclined in a tapered shape so as to have a larger diameter toward a base end side is formed on the base end side of an inner peripheral surface; and an engaging member which is provided on the other end side in the axial direction of the simulated tire section and detachably engaged with the automatic exchange means.
  • the engaging member in the master disk according to the second aspect of the present invention, includes a neck section disposed on the other end side in the axial direction of the simulated tire section so as to be coaxial with the simulated tire section, and a flange section coaxially provided at the neck section and having a larger diameter than the neck section.
  • the engaging member further includes a second tubular section having a cylindrical shape, in which a base end side thereof is connected to the other end side in the axial direction of the simulated tire section so as to be coaxial with the simulated tire section, and a lid section which is provided on a tip side of the second tubular section and on which the neck section is mounted.
  • the automatic exchange means is test rim moving and exchanging means of a tire holding device of the tire testing machine.
  • a master disk mounting method which is a method of mounting the master disk according to the fifth aspect of the present invention on a spindle of a tire holding device of a tire testing machine, including: transferring the master disk such that a base end side of the first tubular section of the master disk is fitted on the spindle, after the test rim moving and exchanging means of the tire holding device of the tire testing machine is engaged with the engaging member of the master disk so as to hold the master disk placed on a stocker frame of a rim stocker of the tire testing machine.
  • a master disk removal method which is a method of removing the master disk according to the fifth aspect of the present invention mounted on a spindle of a tire holding device of a tire testing machine from the spindle, including: transferring the master disk such that a base end side of the first tubular section of the master disk is placed on a stocker frame of a rim stocker of the tire testing machine, after the test rim moving and exchanging means of the tire holding device of the tire testing machine is engaged with the engaging member of the master disk so as to hold the master disk mounted on the spindle.
  • a tire shape inspection method including repeatedly performing: a test rim mounting step of transferring a test rim placed on a stocker frame of a rim stocker of a tire testing machine by test rim moving and exchanging means of a tire holding device of the tire testing machine such that the test rim is held by the tire holding device; an inspection step of performing inspection of a tire by holding the tire with the test rim of the tire holding device and measuring a surface shape of the tire with a geometry measuring device; a test rim removal step of transferring the test rim of the tire holding device by the test rim moving and exchanging means of the tire holding device such that the test rim of the tire holding device is placed on the stocker frame of the rim stocker, after the inspection step is performed by a specified number of times or for a specified period of time; a master disk mounting step of mounting the master disk according to the fifth aspect of the present invention on the spindle of the tire holding device from the stocker frame of the rim stock
  • the master disk can be mounted on and removed from automatic exchange means, master disk mounting work or master disk removal work can be performed with the automatic exchange means. Therefore, it is not necessary for a worker to manually perform master disk mounting or removal, and thus it is possible to remarkably reduce a load on the worker. Further, a time when the work of inspecting the surface shape of the tire is interrupted can be greatly shortened, and thus it is possible to remarkably suppress a decrease in working efficiency. As a result, it is possible to easily perform the master disk mounting work or the master disk removal work, and thus it is possible to greatly improve the efficiency of the work of inspecting the surface shape of the tire.
  • FIG. 1 is a sectional view showing a schematic structure of a main embodiment of a master disk according to the present invention.
  • FIG. 2 is a side view showing a schematic structure of a main section of a main embodiment of a tire testing machine.
  • FIG. 3 is a sectional view taken along line III-III of FIG. 2 and viewed in the direction of an arrow.
  • FIG. 4 is a sectional view showing a schematic structure of a main embodiment of a test rim.
  • FIG. 5 is an explanatory diagram of a method of mounting the master disk of FIG. 1 and a method of removing the master disk.
  • FIG. 6 is an explanatory diagram of a method of mounting the master disk of FIG. 1 and a method of removing the master disk.
  • the master disk according to this embodiment is a master disk 10 which simulates a tire and is used at the time of confirmation or correction of the measurement accuracy of a geometry measuring device for measuring the surface shape of a tire, of a tire testing machine, the master disk 10 being provided with: a simulated tire section 11 simulating a tire and oriented such that an axial direction thereof is directed in an up-and-down direction; a lower tubular section 12 that is a first tubular section having a cylindrical shape, in which the tip side (the upper end side) thereof is connected to one end side (the lower end side) in the axial direction of the simulated tire section 11 so as to be coaxial with the simulated tire section 11 and a guide surface 12 a inclined in a tapered shape so as to have a larger diameter toward the base end side (the lower end side) is formed on the base end side (the lower end side) of an inner peripheral surface; an upper tubular section 13 that is a second tubular section having a cylindrical shape, in which the base end side (the lower end side) thereof
  • an engaging member is configured with the upper tubular section 13 , the lid section 14 , the neck section 15 , the flange section 16 , and the like.
  • a tire testing machine 100 is provided with: a tire holding device 110 on which a test rim 20 is detachably mounted and which detachably holds and rotates a tire by the test rim 20 ; a rim stocker 120 which detachably holds a plurality of test rims 20 corresponding to various sizes of tires; and a geometry measuring device 130 which measures the surface shape of the tire held on the test rim 20 of the tire holding device 110 .
  • the test rim 20 is composed of a detachable lower rim body 21 and an upper rim body 24 .
  • the lower rim body 21 is provided with: a lower rim section 22 which is oriented such that an axial direction thereof is directed in the up-and-down direction, and is detachably fitted to the lower side of the inner periphery of the tire; and a lower tubular section 23 having a cylindrical shape, in which the tip side (the upper end side) thereof is connected to the lower end side that is one end side in the axial direction of the lower rim section 22 so as to be coaxial with the lower rim section 22 and a guide surface 23 a inclined in a tapered shape so as to have a larger diameter toward the base end side (the lower end side) is formed on the base end side (the lower end side) of an inner peripheral surface (specifically, refer to the above-described PTL 2 or the like).
  • the upper rim body 24 is provided with: an upper rim section 25 which is oriented such that an axial direction thereof is directed in the up-and-down direction, and is detachably fitted to the upper side of the inner periphery of the tire; an upper tubular section 26 having a cylindrical shape, in which the base end side (the lower end side) thereof is connected to the upper end side that is the other end side in the axial direction of the upper rim section 25 so as to be coaxial with the upper rim section 25 ; a disk-shaped lid section 27 coaxially mounted on the tip side (the upper end side) of the upper tubular section 26 so as to close the tip side (the upper end side) of the upper tubular section 26 ; a columnar neck section 28 coaxially mounted on the lid section 27 ; and a disk-shaped flange section 29 coaxially mounted on an upper portion of the neck section 28 and having a larger diameter than the neck section 28 (specifically, refer to the above-described PTL 2 or the like).
  • a spindle 111 in which an axial direction thereof is directed in the up-and-down direction is rotatably provided on a pedestal 110 B of a base 110 A.
  • a guide portion 111 a inclined in a tapered shape so as to have a larger diameter toward the lower side is formed on the lower side of the outer peripheral surface of the spindle 111 , as shown in FIG. 6 .
  • a guide rail 112 in which a longitudinal direction thereof is directed in the up-and-down direction is mounted on the pedestal 110 B side of a frame 110 C provided to be erected on the base 110 A.
  • a slider 113 capable of sliding along the longitudinal direction of the guide rail 112 is provided at the guide rail 112 .
  • the base end side of a support 114 oriented such that the tip side thereof is located above the spindle 111 is connected to the slider 113 .
  • a ball screw shaft 115 in which an axial direction thereof is directed in the up-and-down direction is mounted on the support 114 .
  • the ball screw shaft 115 is supported, at an upper end portion and a lower end portion thereof, on the frame 110 C through brackets 110 Ca and 110 Cb, and is made so as to be able to move the support 114 up and down by being rotated by an operation of a drive motor 115 a.
  • a pair of guide rails 116 in which a longitudinal direction thereof is directed along a radial direction of the spindle 111 is mounted on the lower surface on the tip side of the support 114 so as to be located on a straight line centered on the position of a shaft center of the spindle 111 .
  • a slider 117 slidable along each of the guide rails 116 is provided at each of the guide rails 116 .
  • the base end side of each of a pair of engaging arms 118 oriented such that the tip side thereof faces in a direction of the shaft center of the spindle 111 is mounted on each of the sliders 117 through a connecting block 117 a.
  • each of rods 119 a of a pair of air cylinders 119 in which an axial direction thereof is directed along the longitudinal direction of the guide rail 116 is connected to the connecting block 117 a .
  • Each of the air cylinders 119 is supported on the support 114 through a bracket 114 a.
  • a configuration is made such that if the rods 119 a of the air cylinders 119 are extended, the tip sides of the paired engaging arms 118 move so as to approach each other and if the rods 119 a of the air cylinders 119 are contracted, the tip sides of the paired engaging arms 118 move away from each other.
  • upper rim body holding means is configured with the support 114 , the guide rails 116 , the sliders 117 , the engaging arms 118 , the air cylinders 119 , and the like
  • upper rim body lifting and lowering means is configured with the guide rail 112 , the slider 113 , the ball screw shaft 115 , and the like
  • test rim moving and exchanging means is configured with the upper rim body holding means, the upper rim body lifting and lowering means, and the like.
  • a guide rail 121 in which a longitudinal direction thereof is directed toward the spindle 111 is laid on a base frame 120 A.
  • a slider 122 slidable along the longitudinal direction of the guide rail 121 is provided on the guide rail 121 .
  • a support table 123 is mounted on the slider 122 through a support plate 123 a .
  • a turning shaft 124 in which an axial direction thereof is directed in the up- and-down direction is rotatably supported on the support table 123 .
  • a sprocket 126 a is coaxially mounted on the turning shaft 124 .
  • a servomotor 125 having a drive shaft 125 a in which an axial direction thereof is directed in the up-and-down direction is mounted on the support table 123 .
  • a sprocket 126 b is coaxially mounted on the drive shaft 125 a of the servomotor 125 .
  • An endless chain 126 c is wound around the sprockets 126 a and 126 b , and the drive shaft 125 a is rotated by an operation of the servomotor 125 , whereby the turning shaft 124 can be rotated through the sprockets 126 a and 126 b and the endless chain 126 c.
  • a stocker frame 127 which supports the test rim 20 and the like is mounted around the turning shaft 124 through a connecting member 124 a , and a plurality of (in this embodiment, four) stocker frames 127 are disposed at predetermined intervals along a circumferential direction of the turning shaft 124 .
  • a pedestal 127 a is provided on each of the stocker frames 127 .
  • a configuration is made such that the stocker frame 127 which is located above the spindle 111 side of the support table 123 can be selectively switched by rotating the turning shaft 124 by rotating the drive shaft 125 a of the servomotor 125 and the stocker frame 127 which is located on the spindle 111 side of the support table 123 can be positioned above the spindle 111 by moving the support table 123 toward the spindle 111 side along the guide rail 121 through the slider 122 .
  • advancing and retreating means is configured with the guide rail 121 , the slider 122 , the support table 123 , and the like, and switching means is configured with the turning shaft 124 , the servomotor 125 , the sprockets 126 a and 126 b , the endless chain 126 c , the stocker frame 127 , and the like.
  • the geometry measuring device 130 is disposed in the vicinity of the tire holding device 110 and is made so as to be able to measure the surface shape such as concavity and convexity or undulation of a tire held on the spindle 111 through the test rim 20 by extending and operating the tip side so as to be located in the vicinity of the spindle 111 of the tire holding device 110 (refer to, for example, PTL 1 or the like).
  • the master disk 10 is placed on the pedestal 127 a of one stocker frame 127 of the rim stocker 120 of the tire testing machine 100 , and on the other hand, the test rim 20 corresponding to each of various sizes of tires is placed on the pedestal 127 a of the other stocker frame 127 of the rim stocker 120 of the tire testing machine 100 .
  • the turning shaft 124 is rotated by an operation of the servomotor 125 such that the stocker frame 127 of the rim stocker 120 , on which the test rim 20 corresponding to the tire to be inspected is placed, is located on the spindle 111 side of the tire holding device 110 , and the support table 123 is slid along the guide rail 121 through the slider 122 such that the stocker frame 127 is located above the spindle 111 of the tire holding device 110 .
  • the neck section 28 of the upper rim body 24 of the test rim 20 on the stocker frame 127 is located between the facing tips of the engaging arms 118 .
  • the tapered guide portion 111 a having a larger diameter toward the lower side is formed on the lower side of the outer peripheral surface of the spindle 111 and the tapered guide surface 23 a having a larger diameter toward the lower end side is formed on the lower end side of the inner peripheral surface of the lower tubular section 23 of the lower rim body 21 of the test rim 20 , it is possible to easily perform mounting of the test rim 20 on the spindle 111 and it is possible to easily perform alignment of the test rim 20 with respect to the spindle 111 .
  • the upper rim body 24 is separated from the lower rim body 21 by lifting only the upper rim body 24 through the engaging arms 118 by rotating the ball screw shaft 115 by an operation of the drive motor 115 a so as to separate the lower rim body 21 and the upper rim body 24 of the test rim 20 from each other and raise the engaging arms 118 again (specifically, refer to PTL 2 or the like).
  • test rim 20 having been placed on the stocker frame 127 of the rim stocker 120 is held by the tire holding device 110 (the above is a test rim mounting step).
  • the upper rim section 25 of the upper rim body 24 is fitted to the inner periphery of the tire by rotating the ball screw shaft 115 by an operation of the drive motor 115 a so as to lower the engaging arms 118 , and the upper rim body 24 and the lower rim body 21 are integrated (specifically, refer to PTL 2 or the like), and thereafter, the rods 119 a of the air cylinders 119 are contracted to move the tip sides of the paired engaging arms 118 so as to move away from each other, whereby the engaging arms 118 are separated from the neck section 28 and the flange section 29 of the upper rim body 24 .
  • the geometry measuring device 130 is operated so as to be extended and the spindle 111 rotates, whereby the surface shape such as concavity and convexity or undulation of the tire is measured, and thus the presence or absence of a defect on the surface of the tire is inspected (the above is an inspection step).
  • the geometry measuring device 130 is operated so as to be contracted, thereby being returned to the original state, each of the rods 119 a of the air cylinders 119 is extended, thereby clamping the neck section 28 of the upper rim body 24 again at the tip sides of the paired engaging arms 118 , and the upper surfaces of the engaging arms 118 are engaged with the lower surface of the flange section 29 of the upper rim body 24 again, and thereafter, the upper rim body 24 and the lower rim body 21 are separated from each other (specifically, refer to PTL 2 or the like), and the upper rim body 24 is separated from the lower rim body 21 and the tire by lifting only the upper rim body 24 through the engaging arms 118 by rotating the ball screw shaft 115 by an operation of the drive motor 115 a so as to raise the engaging arms 118 again.
  • the master disk 10 is mounted on the spindle 111 of the tire holding device 110 .
  • the lower rim body 21 and the upper rim body 24 of the test rim 20 held by the spindle 111 and the engaging arms 118 of the tire holding device 110 are transferred and returned to the pedestal 127 a of the stocker frame 127 initially disposed, of the rim stocker 120 , by the procedure reverse to the above (the above is a test rim removal step).
  • the neck section 15 of the master disk 10 is located between the facing tips of the engaging arms 118 by rotating the ball screw shaft 115 by an operation of the drive motor 115 a so as to lower the engaging arms 118 of the tire holding device 110 .
  • the tapered guide portion 111 a having a larger diameter toward the lower side is formed on the lower side of the outer peripheral surface of the spindle 111 and the tapered guide surface 12 a having a larger diameter toward the lower end side is formed on the lower end side of the inner peripheral surface of the lower tubular section 12 of the master disk 10 , it is possible to easily perform mounting of the master disk 10 on the spindle 111 and it is possible to easily perform alignment of the master disk 10 with respect to the spindle 111 .
  • the engaging arms 118 are separated from the neck section 15 and the flange section 16 of the master disk 10 by moving the tip sides of the paired engaging arms 118 so as to be separated from each other by contracting each of the rods 119 a of the air cylinders 119 .
  • the master disk 10 having been placed on the stocker frame 127 of the rim stocker 120 is mounted on the spindle 111 of the tire holding device 110 (the above is a master disk mounting step).
  • confirmation or correction of the measurement accuracy of the geometry measuring device 130 is performed by measuring the simulated tire section 11 of the master disk 10 with the geometry measuring device 130 by extending and operating the geometry measuring device 130 and rotating the spindle 111 (the above is a confirmation and correction step).
  • the test rim 20 corresponding to a tire to be inspected from now is mounted on the spindle 111 of the tire holding device 110 again.
  • the above-described procedure is repeatedly performed so as to mount the test rim 20 corresponding to a tire to be inspected on the spindle 111 of the tire holding device 110 again.
  • the master disk 10 is provided with the engaging members 13 to 16 which are detachably engaged with the test rim moving and exchanging means 112 to 119 of the tire holding device 110 , whereby the master disk 10 can be automatically exchanged for the test rim 20 between the stocker frame 127 of the rim stocker 120 and the spindle 111 of the tire holding device 110 .
  • weight limitation of the master disk 10 can be greatly relaxed, and thus it is possible to variously set the conditions of the master disk 10 .
  • the engaging member of the master disk 10 is configured with the upper tubular section 13 , the lid section 14 , the neck section 15 , the flange section 16 , and the like.
  • the master disk 10 is automatically exchanged by using the test rim moving and exchanging means 112 to 119 of the tire holding device 110 of the tire testing machine 100 .
  • it is also possible to perform automatic exchange by installing a dedicated exchange device which performs only the exchange of the master disk 10 .
  • the master disk 10 is automatically exchanged by using the test rim moving and exchanging means 112 to 119 of the tire holding device 110 of the tire testing machine 100 , as in the embodiment described above, compared to a case of performing automatic exchange by installing a dedicated exchange device which performs only the exchange of the master disk 10 , there is very little waste in terms of not only installation space but also cost, and therefore, it is very preferable.
  • the mounting work or the removal work can be easily carried out and the efficiency of the inspection work can be greatly improved. Therefore, the master disk, the master disk mounting method, and the master disk removal method according to the present invention can be very beneficially used in the tire manufacturing industry.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tires In General (AREA)
  • Testing Of Balance (AREA)
US15/548,090 2015-12-24 2015-12-24 Master disk, master disk mounting method, and master disk removal method Abandoned US20180306578A1 (en)

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PCT/JP2015/085928 WO2017109875A1 (ja) 2015-12-24 2015-12-24 マスタディスク及びその装着方法並びに取外方法

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US (2) US20180306578A1 (ko)
JP (1) JP6652977B2 (ko)
KR (1) KR20180084962A (ko)
CN (2) CN110793788B (ko)
DE (1) DE112015007230B4 (ko)
WO (1) WO2017109875A1 (ko)

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CN110793788B (zh) 2021-12-03
DE112015007230T5 (de) 2018-11-22
CN108603810A (zh) 2018-09-28
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