WO2019207623A1 - 無限軌道走行装置、及びこれを備えた発電機点検用ロボットの移動体 - Google Patents
無限軌道走行装置、及びこれを備えた発電機点検用ロボットの移動体 Download PDFInfo
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- WO2019207623A1 WO2019207623A1 PCT/JP2018/016436 JP2018016436W WO2019207623A1 WO 2019207623 A1 WO2019207623 A1 WO 2019207623A1 JP 2018016436 W JP2018016436 W JP 2018016436W WO 2019207623 A1 WO2019207623 A1 WO 2019207623A1
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- WIPO (PCT)
- Prior art keywords
- endless track
- traveling device
- crawler
- moving body
- traveling
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/024—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members specially adapted for moving on inclined or vertical surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/18—Tracks
- B62D55/26—Ground engaging parts or elements
- B62D55/265—Ground engaging parts or elements having magnetic or pneumatic adhesion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
Definitions
- the present application relates to an endless track traveling device and a moving body of a generator checking robot equipped with the same.
- the vehicle travels by contacting a wheel with a traveling object and an endless track such as a crawler belt contacting the traveling object.
- an endless track running system There is an endless track running system.
- all four wheels provided before and after the moving body are driven by independent power sources in order to cause the moving body to travel stably against obstacles such as a level difference of the traveling object.
- Four-wheel independent drive system, and front and rear wheel synchronous drive system that drives the front and rear wheels in synchronization by installing timing pulleys on the front and rear wheels of the moving body, and mounting the timing belt across the front and rear timing pulleys (For example, see Patent Document 1).
- a traveling body that travels in a narrow gap using a wheel traveling system a plurality of wheels are arranged in series before and after the moving body, and the width of the moving body is about the width of one wheel.
- a traveling device having dimensions and mounting equipment such as a control box provided with a control board in a space existing between front and rear wheels (see, for example, Patent Document 2).
- a crawler belt made of a flexible member wound between front and rear pulleys by generating a negative pressure in a decompression chamber provided in a moving body in order to stably contact the crawler belt with a traveling object.
- a method in which the vehicle is driven while being pressed against a traveling object see, for example, Patent Document 3
- a mechanism has been proposed in which the tread surfaces of the crawler shoes arranged on the outer periphery of the crawler belt do not bend each other (for example, see Patent Document 4).
- the distance is detected by receiving the reflected light with respect to the light emitted to the front space in the traveling direction to determine the state of the traveling object (for example, Patent Document 5), and detecting and controlling a traveling abnormal state using a distance sensor directed to a traveling object (for example, refer to Patent Document 6) have been proposed.
- JP 2004-232702 A Japanese Patent No. 5992893 JP 2016-084118 A JP 2002-46667 A JP 2016-224854 A Japanese Patent No. 3484619
- Patent Document 1 there is a problem that it is difficult to reduce the size so that it can travel through a narrow gap, although it can move freely over obstacles with a four-wheel drive system. Further, in the above-mentioned Patent Document 2, although thinning is realized, it becomes impossible to travel when the bottom surface of the traveling device body and the traveling object come into contact with each other due to an obstacle such as a concave or convex portion such as a hole existing in the traveling object. There was a problem that a large vibration was generated in the apparatus. In order to avoid the problem, it is desired to increase the diameter of the wheel. However, when the diameter of the wheel is increased, there is a problem that the traveling device becomes larger as a whole and it is difficult to reduce the thickness.
- Patent Documents 5 and 6 described above although the distance sensor is provided to determine the state of the object to be traveled, it is difficult to detect all small uneven surfaces or foreign matters, and in order to improve detection accuracy There was a problem that the traveling device was increased in size.
- the present application has been made to solve the above-described problems, and can be reduced in size and thickness, and can smoothly run while suppressing vibration even if there is an obstacle due to a groove or the like existing in the traveling target. It is an object of the present invention to obtain an endless track traveling device that can be used, and a moving body of a generator inspection robot including the same.
- An endless track traveling device disclosed in the present application includes a housing, a pulley having an axial center arranged parallel to the housing, a motor for driving the pulley, and the pulley wound around the outer peripheral surface of the pulley.
- An endless track traveling device having an endless track that rotates and moves on a travel target, and is provided in contact with the endless track in a space surrounded by the endless track, A plate-like member mounted in the case; a magnet fixed in the case for attracting the traveling object; one end contacting the case and the other end contacting the plate-like member; And an elastic member that urges the member in the direction in which the member is pressed against the endless track.
- the endless track traveling device can smoothly travel while suppressing vibration even if there is an obstacle due to a groove or the like present in the traveling target.
- FIG. 3 is a perspective view showing an outline of the configuration of a moving body provided with the endless track traveling device in the first embodiment. It is a figure explaining the normal driving
- FIG. 1 is an exploded perspective view showing a schematic configuration of an endless track traveling device in Embodiment 1.
- FIG. 2 is an exploded perspective view of a part of the endless track traveling device according to Embodiment 1.
- FIG. 3 is a cross-sectional view illustrating an outline of a crawler pressing unit according to Embodiment 1.
- FIG. FIG. 5 is another cross-sectional view illustrating an outline of the crawler pressing unit according to the first embodiment.
- FIG. 1 is an exploded perspective view showing a schematic configuration of an endless track traveling device in Embodiment 1.
- FIG. 2 is an exploded perspective view of a part of the endless track traveling device according to Embodiment 1.
- FIG. 3 is a cross-sectional view illustrating an outline of a
- FIG. 3 is a cross-sectional view of the endless track traveling device in Embodiment 1 during normal traveling.
- FIG. 3 is a partial cross-sectional view of the endless track traveling device in the first embodiment during normal traveling. It is sectional drawing at the time of abnormal driving
- FIG. 3 is a partial cross-sectional view of the endless track traveling device according to Embodiment 1 during abnormal traveling. It is sectional drawing at the time of another abnormal running of the endless track running device in Embodiment 1. It is a figure explaining abnormal driving
- FIG. 1 is a perspective view showing an outline of the configuration of the moving body 1.
- the moving body 1 is a generator inspection robot that performs, for example, an interlayer short circuit inspection and a wedge tapping inspection in a large generator.
- the moving body 1 is grounded on the XY plane to be traveled, and the X direction is the forward direction F of the moving body 1 and the ⁇ X direction is the reverse direction B.
- the moving body 1 includes two endless track traveling devices 2 (a first endless track traveling device 2a and a second endless track traveling device 2b) and a sensor mounting portion 3, each having a rectangular parallelepiped shape. .
- the first endless track traveling device 2 a and the second endless track traveling device 2 b are connected to each of the side wall portions 3 a facing the longitudinal direction of the sensor mounting portion 3 via the connecting member 5, and are connected to the sensor mounting portion 3.
- the endless track traveling device 2 is provided with a crawler belt 4 that is an endless track on the base 6 of the housing 8, and the crawler belt 4 comes into contact with a traveling object on the side of the lid portion 7.
- the connecting member 5 is connected to the side portion 6 a of the base portion 6.
- inspection sensors such as force sensors and acceleration sensors used for inspection, and inspection devices such as cameras are mounted inside the housing 3b.
- the sensor mounting unit 3 is not in contact with the object to be traveled and is supported by the first endless track traveling device 2a and the second endless track traveling device 2b via the connecting member 5.
- the connecting member 5 is made of, for example, aluminum and includes a bent portion 5a having a bending mechanism. By bending the bent portion 5a, the moving object 1 can travel with the crawler belt 4 sufficiently in contact with the traveling object even if the traveling object is an arc surface without being limited to a flat surface. .
- the moving body 1 moves straight in the direction of F or B by rotating the two crawler belts 4 in the same direction at the same speed. Further, the moving body 1 can perform a turning operation by rotating the two crawler belts 4 in the opposite directions at the same speed, and can proceed to the right turn or the left turn by rotating in the same direction at different speeds. For example, when the moving body 1 is moving forward in the F direction, the speed of the crawler belt 4 of the second endless track traveling device 2b is made slower than the speed of the crawler belt 4 of the first endless track traveling device 2a. Proceeding to the right turn, the speed of the crawler belt 4 of the first endless track traveling device 2a can be made slower than the speed of the crawler belt 4 of the second endless track traveling device 2b, so that it can proceed to the left turn. .
- FIG. 2 is a diagram for explaining normal traveling of the moving body 1.
- the moving body 1 is inserted into a space 26 between the stator 24 and the rotor 25 constituting the generator 23, travels in an axial direction perpendicular to the paper surface, and inspects the inside of the generator 23.
- the generator 23 shows a cross section
- the stator 24 includes a stator core 24a in which magnetic steel plates are laminated, a coil 24c inserted in slots 24b provided at equal intervals in the stator core 24a, and a coil 24c. It is comprised with the resin member 24d which hold
- the connecting member 5 Since the stator core 24a, which is the traveling object of the moving body 1, is a circular arc surface, the connecting member 5 is bent to bring the crawler belt 4 into contact with the stator core 24a.
- the crawler belt 4 is pressed in the direction of the stator core 24a by the crawler side pressing member 17 in accordance with the suction, and is attracted to the stator core 24a.
- the state in which the crawler belt 4 is adsorbed is maintained, and the moving body 1 can travel on the surface of the stator core 24a by rotating the crawler belt 4.
- the traveling of the moving body 1 is not limited to the position shown in FIG.
- the traveling body 1 can also travel at other positions in the plane of FIG. 2 because the moving body 1 is attracted to the stator core 24a. Further, the moving body 1 is adjusted in the traveling direction by the speed difference between the two crawler belts 4 and can travel while applying straight-line correction. In addition, since the attraction
- the moving body 1 finishes traveling in the axial direction of the generator 23, the moving body 1 is pulled out of the generator 23, changes the position in the circumferential direction of the generator 23, and travels again in the axial direction of the generator 23. . In this way, the generator 23 is inspected by the moving body 1 over the entire circumference.
- FIG. 3 is an exploded perspective view showing a schematic configuration of the first endless track traveling device 2a. Since the first endless track traveling device 2a and the second endless track traveling device 2b have the same configuration, only the first endless track traveling device 2a will be described here.
- the first endless track traveling device 2a includes a housing 8, a motor unit 9, a magnet 10, a crawler pressing unit 11, a driving pulley shaft unit 13, a driven pulley shaft unit 15, a bevel gear mechanism 16, a control board (
- the housing 8 is composed of a base portion 6 and a lid portion 7.
- the casing 8 is formed by bringing the end surface 6c of the side portion 6a and the lid portion 7 into contact with each other so as to cover the bottom of the base portion 6 that is open.
- the base 6 is made of, for example, aluminum, and the lid 7 is made of a resin material.
- a motor unit 9, a magnet 10, a crawler pressing unit 11, a driving pulley shaft unit 13, a driven pulley shaft unit 15, a bevel gear mechanism 16, and a control board (not shown) are fixed inside the housing 8. Is done.
- a through hole 6d is formed in the top 6b of the base 6 so that a part of the crawler belt 4 is exposed. By exposing the crawler belt 4, the endless track traveling device 2 is configured to be thin.
- a through-hole 7a is also formed in the lid portion 7, and a part of the crawler belt 4 is exposed and comes into contact with the traveling object.
- the motor unit 9 is connected to the drive side pulley shaft unit 13 via the bevel gear mechanism 16, and the drive side pulley 12 included in the drive side pulley shaft unit rotates as the motor included in the motor unit 9 rotates.
- the driven pulley shaft unit 15 includes a driven pulley 14.
- the motor unit 9 is connected to the control board, and the rotation of the motor is controlled.
- the crawler belt 4 made of a rubber material such as urethane is wound around the outer peripheral surface portions of the driving pulley 12 and the driven pulley 14, and the driving pulley 12 and the driven pulley 14 are rotated as the driving pulley 12 rotates. Rotate around.
- a crawler pressing unit 11 including a crawler side pressing member 17 which is a plate-like member is opposed to a traveling object via the crawler belt 4 in a space surrounded by the driving pulley 12, the driven pulley 14 and the crawler belt 4.
- the housing 8 is small and thin. Details of the configuration of the crawler pressing unit 11 will be described later with reference to FIG.
- the magnet 10 is composed of a permanent magnet and attracts a traveling object. A force is applied to the casing 8 to which the magnet 10 is fixed in a direction approaching the traveling target, and the crawler side pressing member 17 attached to the casing 8 via the coil spring 19 presses the crawler belt 4 against the traveling target.
- FIG. 4 is an exploded perspective view of the crawler pressing unit 11.
- the crawler pressing unit 11 includes a crawler side pressing member 17, a base side plate member 18, a coil spring 19, a support member 20, a guide shaft member 21, and a detection switch 22.
- the crawler side pressing member 17 is attached to the base side plate member 18 by a guide shaft member 21 through a coil spring 19 and a support member 20 which are elastic members.
- the guide shaft member 21 is attached through the opening 17b provided in the crawler side pressing member 17.
- the coil spring 19 is provided with one end in contact with the base side plate member 18 and the other end in contact with the crawler side pressing member 17.
- the coil spring 19 is provided so as to be extendable and contractable so as to urge the crawler side pressing member 17 in a direction in which the crawler side pressing member 17 is pressed against the crawler belt 4.
- the crawler side pressing member 17 is in contact with the crawler belt 4 at the flat surface portion 17a and faces the traveling object.
- the support member 20 limits the direction of expansion and contraction of the coil spring 19 and the range of expansion and contraction, and is provided with a shorter length than the coil spring 19.
- the detection switch 22 fixed to the base side plate member 18 is a contact type sensor that detects expansion and contraction of the coil spring 19.
- the detection switch 22 When the coil spring 19 contracts and the support member 20 comes into contact with the crawler-side pressing member 17, the detection switch 22 also comes into contact with the crawler-side pressing member 17, and the output of the detection switch 22 is turned on.
- the detection switch 22 is not in contact with the crawler side pressing member 17 when the coil spring 19 extends and exceeds a predetermined interval, and the output is turned off. However, the output is turned on when the predetermined interval is exceeded. It may be a thing. Since the crawler side pressing member 17 is attached together with the coil spring 19 at two locations, detection switches are also provided at two locations.
- the detection switch 22 is not limited to a contact type sensor, and may be a sensor of another method such as an optical type.
- the base side plate member 18 is fixed to the base 6.
- FIG. 5 is a cross-sectional view showing an outline of the crawler pressing unit 11 when there is no suction by the magnet 10
- FIG. 6 is a cross-sectional view showing an outline of the crawler pressing unit 11 when the magnet 10 is attracting a traveling object.
- 5 and 6 are schematic views showing only main components.
- the coil spring 19 is attached between the crawler side pressing member 17 and the base side plate member 18, and the crawler side pressing member 17 is pressed against the crawler belt 4 in the direction in which it is not attracted by the magnet 10. 19 is energized.
- the support member 20 is shorter than the length of the coil spring 19, the support member 20 is not in contact with the crawler side pressing member 17.
- FIG. 7 is a cross-sectional view of the endless track traveling device 2a during normal travel
- FIG. 8 is an enlarged cross-sectional view of the periphery of the coil spring 19 during normal travel of the endless track travel device 2a.
- FIG. 7 the endless track traveling device 2a travels in the axial direction (X direction) on the stator core 24a as described in FIG.
- the stator core 24a is provided at predetermined intervals in the axial direction via a cooling space 24e.
- the stator core 24a is provided with the same height in the Z direction, but the width in the X direction may be different.
- a guide member may be provided in the cooling space 24e to further facilitate the traveling of the endless track traveling device 2a.
- the magnet 10 attracts the stator core 24a to be traveled, the coil spring 19 bends and contracts in the direction of the stator core 24a, and the crawler side pressing member 17 presses the crawler belt 4 against the stator core 24a.
- the length of the flat surface portion 17a of the crawler side pressing member 17 is set to a length facing at least three stator cores 24a. As a result, the crawler belt 4 and the three stator cores 24a are in contact with each other, so that the endless track traveling device 2a can be stably and smoothly traveled.
- the expansion / contraction amount of the coil spring 19 is limited by contacting the bottom 20a of the support member 20 and the upper end 17c of the crawler side pressing member 17, and the detection switch 22 is also connected to the crawler side pressing member 17.
- the output of the detection switch 22 is turned on by contacting with the upper portion 17d. Since the expansion / contraction amount of the coil spring 19 is limited, the guide shaft member 21 does not protrude toward the crawler belt 4 from the flat surface portion 17 a side of the crawler side pressing member 17. By determining the output of the detection switch 22, it is possible to detect that the vehicle is traveling normally.
- the crawler side pressing member 17 Since the crawler side pressing member 17 always presses the crawler belt 4 by the coil spring 19, even when there is an obstacle such as a groove or a small foreign object such as a cooling space 24e, the crawler side pressing member 17 can smoothly run while suppressing vibration. . Since the surface of the flat portion 17a is provided with a low wear material, the crawler belt 4 is not hindered from rotating even when the flat portion 17a is in contact with the crawler belt 4.
- FIG. 9 is a cross-sectional view of the endless track traveling device 2a during abnormal running
- FIG. 10 is an enlarged cross-sectional view of the coil spring 19 around the endless track traveling device 2a during abnormal running.
- the endless track traveling device 2a travels in the axial direction (X direction) on the stator core 24a as described in FIG. 2, and travels on the endless track due to the foreign matter 27 adhering to the stator core 24a.
- This is an abnormal running state in which a part of the device 2a is detached from the stator core 24a.
- a gap portion 28 is provided between the side surface of the opening 17 b of the crawler side pressing member 17 and the side surface portion 21 b of the guide shaft member 21 to form a connecting portion 17 f.
- the deformation direction of the coil spring 19 is not limited to the Z-axis direction to which the guide shaft member 21 is attached, and can be deformed in a direction inclined from the Z-axis. Therefore, it is possible to detect an abnormal traveling state in which the endless track traveling device 2a is inclined such that one detection switch 22 as shown in FIG. 9 is turned on and the other detection switch 22 is turned off.
- FIG. 12 is a diagram for explaining abnormal traveling of the moving body 1.
- the moving body 1 travels only with the endless track traveling device 2b, and depending on the position of the moving body 1 at that time, the endless track traveling device 2b is also detached from the stator core 24a.
- Such a disengaged state occurs even in a state in which the moving body 1 is pulled by a wiring connected to the moving body 1 to supply a signal and electric power. Therefore, it is necessary to quickly detect the separation state, and in order to detect the state shown in FIG. 7 before the crawler belt 4 is completely separated from the stator core 24a and to avoid the states of FIGS.
- a detection switch 22 is provided.
- FIG. 9 is a measure after the state shown in FIG. 9 is detected.
- the rotational movement of the crawler belt 4 is temporarily stopped, and then the crawler belt 4 is reversely rotated to slightly move the moving body 1 backward.
- the position of the moving body 1 is corrected and stabilized, and is moved forward again.
- two detection switches 22 are provided in consideration of downsizing and ease of manufacture, and the expansion / contraction amount of the coil spring 19 is detected in a contact state between the detection switch 22 and the crawler side pressing member 17.
- the present invention is not limited to this, and the number of detection switches 22 may be increased to improve the detection accuracy of the contact state.
- the expansion / contraction amount of the coil spring 19 may be obtained by measuring the distance or angle between the crawler side pressing member 17 and the base side plate member 18.
- the elastic member is not limited to the coil spring 19 and may be another elastic member such as a leaf spring.
- two pulleys are provided in consideration of downsizing, thinning, and ease of manufacture.
- the present invention is not limited to this, and another pulley is disposed inside the crawler belt 4. Then, the traveling of the moving body 1 may be stabilized.
- the magnet 10 is provided fixed only to the base portion 6, the present invention is not limited to this, and may be configured to be further provided on the crawler pressing unit 11 to attract the stator core 24 a more.
- the crawler side pressing member 17 is attached to the housing 8 via the coil spring 19 and comes into contact with the crawler belt 4 and the stator core 24a. Since they face each other, even if there is an obstacle due to a groove or the like existing in the stator core 24a, the vibration can be suppressed and the vehicle can run smoothly. Further, since the support member 20 that restricts the direction of expansion and contraction of the coil spring 19 is provided, the guide shaft member 21 protrudes from the flat surface portion 17a side of the crawler side pressing member 17 toward the crawler belt 4 to prevent traveling. The detection switch 22 is not pushed in strongly.
- the detection switch 22 as a sensor for detecting the amount of expansion and contraction of the coil spring 19 is provided in the crawler pressing unit 11, a small and thin endless track traveling device 2 is configured, and when the crawler belt 4 is detached from the stator core 24a. It is possible to detect abnormal running. Further, since the connecting portion 17f is formed by providing the gap portion 28 between the side surface of the opening portion 17b of the crawler side pressing member 17 and the side surface portion 21b of the guide shaft member 21, the endless track traveling device 2 is inclined. It is possible to detect abnormal running at the time.
- the grounding state of the moving body 1 to the stator core 24a can be easily detected, the grounding state can be easily confirmed even when the moving body 1 is installed in a generator that is difficult to insert. Furthermore, since vibration data acquired when the crawler belt 4 is not properly grounded to the stator core 24a in the vibration test, there is a problem in the accuracy of the data. Whether the grounding state is unstable or not is determined, and the position of the moving body 1 is corrected, so that the grounding state is improved and high-precision inspection can be performed.
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Abstract
Description
実施の形態1における無限軌道走行装置2を備えた発電機点検用ロボットの移動体1の概略構成について説明する。図1は移動体1の構成概要を示した斜視図である。移動体1は大型の発電機において、例えば層間短絡検査、ウエッジタッピング検査を行う発電機点検用ロボットである。図1では移動体1は走行対象となるXY面に接地され、X方向を移動体1の前進方向F、-X方向を後進方向Bとする。
従って、例示されていない無数の変形例が、本願明細書に開示される技術の範囲内において想定される。例えば、少なくとも1つの構成要素を変形する場合、追加する場合または省略する場合が含まれるものとする。
Claims (5)
- 筐体と、
前記筐体に軸心が平行に配置されたプーリと、
前記プーリを駆動するモータと、
前記プーリの外周面部に巻き掛けられ前記プーリとともに回転し走行対象の上を移動する無限軌道と、を備えた無限軌道走行装置であって、
前記無限軌道により囲まれた空間内に前記無限軌道と接触して前記走行対象と対向して設けられ前記筐体内に取り付けられた板状部材と、
前記筐体内に固定され前記走行対象を吸引する磁石と、
一端が前記筐体内に接触し他端が前記板状部材に接触して設けられ前記板状部材を前記無限軌道に押し付ける方向に付勢する弾性部材と、を備えたことを特徴とする無限軌道走行装置。 - 前記弾性部材は前記弾性部材の伸縮の方向と伸縮の範囲を制限する支持部材とともに、前記弾性部材および前記支持部材を貫通するガイド軸部材で取り付けられていることを特徴とする請求項1に記載の無限軌道走行装置。
- 前記弾性部材の伸縮を検知するセンサを備えたことを特徴とする請求項2に記載の無限軌道走行装置。
- 前記ガイド軸部材は前記板状部材が備える開口部を貫通し、前記ガイド軸部材と前記板状部材は、前記開口部の側面と前記ガイド軸部材の側面との間に隙間部を設けて連結されていることを特徴とする請求項3に記載の無限軌道走行装置。
- 請求項1から4のいずれか1項に記載の無限軌道走行装置を備えたことを特徴とする発電機点検用ロボットの移動体。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3096802A CA3096802C (en) | 2018-04-23 | 2018-04-23 | Endless-track traveling apparatus, and movable body of generator inspection robot including the same |
EP18915809.0A EP3786036B1 (en) | 2018-04-23 | 2018-04-23 | Endless track traveling device and moving body for generator inspection robot equipped with same |
US17/045,504 US11319003B2 (en) | 2018-04-23 | 2018-04-23 | Endless-track traveling apparatus, and movable body of generator inspection robot including the same |
CN201880092229.9A CN112020463B (zh) | 2018-04-23 | 2018-04-23 | 环形轨道行驶装置以及包括该环形轨道行驶装置的发电机检修用机器人的移动体 |
JP2020515325A JP6935008B2 (ja) | 2018-04-23 | 2018-04-23 | 無限軌道走行装置、及びこれを備えた発電機点検用ロボットの移動体 |
PCT/JP2018/016436 WO2019207623A1 (ja) | 2018-04-23 | 2018-04-23 | 無限軌道走行装置、及びこれを備えた発電機点検用ロボットの移動体 |
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PCT/JP2018/016436 WO2019207623A1 (ja) | 2018-04-23 | 2018-04-23 | 無限軌道走行装置、及びこれを備えた発電機点検用ロボットの移動体 |
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PCT/JP2018/016436 WO2019207623A1 (ja) | 2018-04-23 | 2018-04-23 | 無限軌道走行装置、及びこれを備えた発電機点検用ロボットの移動体 |
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US (1) | US11319003B2 (ja) |
EP (1) | EP3786036B1 (ja) |
JP (1) | JP6935008B2 (ja) |
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JP6647476B1 (ja) * | 2019-06-14 | 2020-02-14 | 三菱電機株式会社 | 回転電機のウェッジ緩み検査装置、回転電機のウェッジ緩み検査システム、および、回転電機のウェッジ緩み検査方法 |
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CN117740417B (zh) * | 2023-11-17 | 2024-10-29 | 华电电力科学研究院有限公司 | 发电机膛内机器人的故障检测方法、系统、设备及介质 |
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CA3096802C (en) | 2022-05-03 |
EP3786036B1 (en) | 2022-05-11 |
EP3786036A4 (en) | 2021-04-21 |
CN112020463A (zh) | 2020-12-01 |
JP6935008B2 (ja) | 2021-09-15 |
EP3786036A1 (en) | 2021-03-03 |
CN112020463B (zh) | 2022-04-15 |
JPWO2019207623A1 (ja) | 2021-02-25 |
US20210155300A1 (en) | 2021-05-27 |
CA3096802A1 (en) | 2019-10-31 |
US11319003B2 (en) | 2022-05-03 |
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