WO2007125800A1 - 回転装置 - Google Patents
回転装置 Download PDFInfo
- Publication number
- WO2007125800A1 WO2007125800A1 PCT/JP2007/058442 JP2007058442W WO2007125800A1 WO 2007125800 A1 WO2007125800 A1 WO 2007125800A1 JP 2007058442 W JP2007058442 W JP 2007058442W WO 2007125800 A1 WO2007125800 A1 WO 2007125800A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotating disk
- gear
- rotating
- speed reducer
- external gear
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/323—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising eccentric crankshafts driving or driven by a gearing
Definitions
- the present invention relates to a rotating device capable of precisely controlling the rotation angle of a rotating disk.
- This type of rotating device includes a rotating disk that fixes a workpiece, and rotates the rotating disk by decelerating the rotation of the motor with a reduction device.
- An example of the rotating device is disclosed in Japanese Patent Laid-Open No. 11-347868 (Patent Document 1).
- Patent Document 1 a reduction gear is attached to the output shaft of the motor, and a pinion is fixed to the output shaft of the reduction gear, and the pinion is formed on the inner periphery of the rotating disk. Te! /, Rubbing with your inner teeth.
- the reduction gear of Patent Document 2 includes a crankshaft, an external gear, and an internal gear.
- a part of the crankshaft is provided with an eccentric cam that rotates eccentrically when the crankshaft rotates.
- the external gear has a hole that engages with the eccentric cam, and the external gear revolves when the eccentric cam rotates eccentrically.
- the internal gear has a number of teeth different from that of the external gear, and surrounds the external gear in a state of being meshed with the external gear while allowing the external gear to revolve.
- This type of speed reducer is sometimes called an inscribed planetary gear type speed reducer.
- the conventional rotating apparatus In order to require a space through which the cylindrical bar, hose, and cables can pass on the back of the rotating disk, the conventional rotating apparatus cannot arrange the rotating disk and the speed reducer coaxially.
- the output shaft of the speed reducer extends parallel to the central axis at a position separated from the central axial force distance of the rotating disk.
- the rotating device In a layout in which the output shaft of the speed reducer extends parallel to the central axis at a position separated from the central axial force distance of the rotating disk, the rotating device cannot be made compact. If the center axis of the rotating disk and the output shaft of the reduction gear can be arranged coaxially, the rotating apparatus can be made compact by utilizing the space on the back surface of the rotating disk. However, in the layout in which the output shaft of the reduction gear is offset from the central axial force of the rotating disk, the space on the back of the rotating disk cannot be used effectively.
- the present invention secures a space through which a cylindrical bar, hose, and cables can pass on the back surface of the rotating disk, and at the same time, arranges the center axis of the rotating disk and the output shaft of the reduction gear coaxially.
- the objective is to make the rotating device compact by effectively using the space on the back of the panel.
- the rotating device of the present invention is an inscribed planetary gear type speed reducer, even if the center axis of the rotating disk and the output shaft of the speed reducer are arranged coaxially, It was conceived based on the knowledge that it was possible to secure a space through which horses could be passed. That is, if an inscribed planetary gear type speed reducer is used, a circle along the center axis of the speed reducer Since it is possible to secure a space through which column bars, hoses and cables can pass, even if the center axis of the rotating disk and the output shaft of the speed reducer are arranged coaxially, the cylindrical bar is Utilize the knowledge that a space through which cables can pass can be secured.
- the rotating device of the present invention includes a speed reducer, a rotating disk, and a cylindrical bar.
- the speed reducer has an input shaft formed with an eccentric rotating part that rotates eccentrically with its rotation, revolves by engaging with the eccentric rotating part, and has a through-hole formed in the center! A tooth gear, and an internal gear that surrounds the external gear while allowing the external gear to revolve and engages with the external gear and has a number of teeth different from the number of teeth of the external gear.
- the turntable is fixed to either the external gear or the internal gear.
- the cylindrical bar penetrates the rotating disk force external gear and extends longer than the input shaft, and rotates together with the rotating disk.
- the cylindrical bar may be fixed directly to the rotating disk, or may be fixed to one of the external gear or the internal gear fixed to the rotating disk.
- the rotation device When torque is applied from the motor and the input shaft of the reduction gear rotates, the rotation device decelerates by the reduction device and is fixed to the external gear or the internal gear to rotate the rotating disk.
- a reduction gear including an inscribed planetary gear is used.
- the speed reducer using the inscribed planetary gear is compact and easily obtains a large reduction ratio.
- a through hole can be formed in the central portion of the external gear, and a cylindrical rod or a hose cable can be passed through the through hole.
- the rotating device of the present invention does not require a torque transmission gear between the speed reducer and the rotating disk. Therefore, the structure of the apparatus can be simplified and made compact. In addition, since the output shaft of the reduction gear and the rotating disk rotate together, no backlash occurs between the reduction gear and the rotating disk. It becomes possible to accurately control the rotation angle of the turntable.
- a through hole is formed at the center of the cylindrical bar. According to this rotating device, piping and wiring can be passed through the through hole. Since wiring or the like attached to the workpiece can pass through the inside of the through hole, it is possible to prevent the wiring and the like from being scattered around the apparatus. [0010]
- the distance to the end of the rotating disk surface force reduction device opposite to the rotating disk is longer than the distance of the motor. It is preferable to arrange the motor between the plane that is perpendicular to the central axis of the rotating disk and the plane that is perpendicular to the central axis of the rotating disk including the end opposite to the rotating disk of the reduction gear. ,.
- the distance along the rotating shaft of the rotating device is determined by the distance of the rotating disk along the rotating shaft and the distance of the speed reducer along the rotating shaft. Furthermore, by arranging the motor at the above position, the distance along the rotation axis of the rotating device can be kept to the minimum necessary. Thereby, a compact rotating device can be realized.
- the input shaft of the speed reducer is coaxially disposed on the outer peripheral side of the cylindrical bar.
- the degree of freedom of the motor type and motor installation method is expanded.
- the output shaft of the motor and the input shaft of the speed reducer can be connected by a pulley belt.
- the distance along the rotation axis of the rotating device can be minimized.
- the input shaft of the speed reducer may extend in parallel to a position separated from the central axial force distance of the cylindrical rod.
- various measuring devices can be freely attached to the cylindrical rod.
- Rotation angle detection means for detecting the rotation angle of the rotating disk is attached to the cylindrical bar, and a control device for controlling the operation of the motor by a detection signal from the rotation angle detection means is added. preferable.
- the rotation angle of the rotating disk can be detected and controlled.
- the rotation angle detection means When the rotation angle detection means is installed on the rotating disk, the rotation angle detection means may accidentally come into contact with the workpiece attached to the rotating disk. If the rotation angle detection means is attached to the cylindrical rod, such a problem does not occur.
- the rotating device of the present invention by using the speed reducer provided with the inscribed planetary gear.
- the speed reducer can be arranged coaxially with the rotating disk on the back of the rotating disk, and the cylindrical rod that rotates with the rotating disk can be extended.
- the rotating device can be made compact.
- the output shaft of the reduction gear and the rotating disk are fixed and rotate together. For this reason, no backlash occurs between the output shaft of the reduction gear and the rotating disk.
- the rotation angle of the turntable can be accurately controlled.
- a jig or the like attached to the rotating disk or a cable or wiring connected to the workpiece can be passed through the rotating disk.
- FIG. 1 is a cross-sectional view of a rotating device according to Embodiment 1.
- FIG. 1 is a cross-sectional view of a rotating device according to Embodiment 1.
- FIG. 2 A cross-sectional view taken along line II-II in FIG.
- FIG. 3 shows an enlarged view of the dotted line area in FIG.
- FIG. 4 shows a cross-sectional view of the rotating device of Example 2.
- FIG. 5 A cross-sectional view taken along line V—V in FIG. 4 is shown.
- FIG. 6 shows a sectional view of the rotating device of Example 3.
- the reduction gear is formed with a through-hole penetrating the center.
- a cylindrical bar that passes through the through hole that penetrates the reduction gear extends from the back of the rotating disk.
- An encoder that detects the rotation angle of the rotating disk is attached to the cylindrical bar.
- the cylindrical rod is hollow, and wiring and cables pass through it.
- (Fifth feature) Either the external gear or the internal gear of the reduction gear rotates as the input shaft rotates.
- the rotating disk is fixed to the rotating gear of either the external gear or the internal gear.
- FIG. 1 shows a cross-sectional view of the main part of the rotating device 10 of this embodiment.
- the rotating device 10 includes a rotating disk 12, a speed reducer 14, a cylindrical rod 28, and a motor 50.
- the motor 50 is fixed to the frame 20 by bolts (not shown), and includes a pulley 48, a belt 46, and a pulley. Thus, it is connected to the relay shaft 36.
- the relay shaft 36 is supported by a pair of angular ball bearings 32a and 32b so that it can rotate with respect to the housing 34 and cannot be displaced in the axial direction.
- the housing 34 is fixed to the support member 22 by bolts 30, and the support member 22 is fixed to the frame 20.
- the support member 22 fixes the speed reducer 14.
- a gear portion 40 is formed at the end of the relay shaft 36, and the gear portion 40 meshes with the spur gear 82.
- the spur gear 82 meshes with the spur gear 78 by a gear portion 80 formed in a part of the spur gear 82.
- the spur gear 78 is fixed to the input shaft (crank shaft) 60 of the speed reducer 14.
- the spur gear 82 is supported by a pair of bearings 76a and 76b so as to be rotatable and non-displaceable in the axial direction with respect to the stationary part of the speed reducer 14.
- the spur gear 82 is not in contact with the cylindrical rod 28 described later.
- the speed reducer 14 is fixed to the support member 22 by bolts 24 and 42.
- the support member 22 is fixed to the frame 20 by bolts 18 and 44. Details of the reduction gear 14 will be described later.
- the turntable 12 is fixed to the carrier 72a of the speed reducer 14 (forming the output portion of the speed reducer 14) 72a by a bolt 70.
- a through hole 66 is formed in the central portion of the turntable 12.
- the input shaft 60 of the speed reducer 14 extends parallel to the center axis 92 of the turntable 12 at a position away from the center axis 92 of the turntable 12 by a predetermined distance. Force described later with reference to FIG. 2
- the reduction gear 14 of the present embodiment has three input shafts.
- the cylindrical rod 28 is fixed to the carrier 72a by a bolt 68.
- a through hole 63 is formed in the central portion of the cylindrical rod 28, and is connected to the through hole 66 of the rotating disk 12.
- the circular rod 28 passes through the speed reducer 14, and an encoder 26 that detects the rotation angle of the rotating disk 12 is installed. It extends to the installed part.
- the encoder 26 is electrically connected to a control device (not shown) that controls the motor 50.
- the speed reducer 14 includes a crankshaft 60 on which eccentric cams 58a and 58b are formed, external gears 62a and 62b that revolve by engaging with the eccentric cams 58a and 58b, and external gears.
- An internal gear 54 is provided that surrounds the external gears 62a and 62b in a state of being engaged with the external gears 62a and 62b while allowing the revolution of the 62a and 62b.
- the number of teeth of the internal gear 54 is different from the number of teeth of the external gears 62a and 62b.
- the crankshaft 60 is supported by a pair of tapered roller bearings 52a and 52b so as to be able to rotate with respect to the carriers 72a and 72b and not to be displaced in the axial direction.
- the eccentric cams 58a and 58b rotate eccentrically.
- the carrier 72a and the carrier 72b are fixed by bolts 74.
- the carriers 72a and 72b are supported by a pair of angular ball bearings 16a and 16b so that they can rotate with respect to the internal gear 54 and cannot be displaced in the axial direction.
- the columnar portion 64 of the carrier 72a passes through through holes formed in the external gears 62a and 62b.
- the carrier 72a cannot rotate with respect to the external gears 62a and 62b. When the external gears 62a and 62b rotate, the carrier 72a also rotates.
- FIG. 2 shows a cross section of the speed reducer 14 taken along line II-II in FIG.
- the external gear 62a has nine holes 84a to 84i formed in the circumferential direction.
- FIG. 3 shows a partially enlarged view near the hole 84a in FIG. 58a shows an eccentric cam formed on the crankshaft 60a.
- the outer shape of the eccentric cam 58a is circular, and its center 58x is eccentric from the center axis 60x of the rotation of the crankshaft 60a.
- the eccentric cam 58a is engaged with the hole 84a of the external gear 62a via the double dollar bearing 56! /.
- the center 58x of the eccentric cam 58a rotates eccentrically around the central axis 60x of the crankshaft 60a as indicated by an arrow 96.
- the external gear 62a revolves as indicated by an arrow 86 (see FIG. 2).
- crankshaft 60a and the eccentric cam 58a are provided with different diagonal lines for ease of force sharing, which is the same member. The same applies to the crankshaft 60d and the eccentric cam 58d, and the crankshaft 60g and the eccentric cam 58g.
- the external gear 62a has 39 teeth, and the internal gear 54 has 40 teeth. That is, the number of teeth of the external gear 62a is one less than the number of teeth of the internal gear 54.
- the external gear 62a is configured as shown by an arrow 86 in a state in which some external teeth in the circumferential direction of the external gear 62a and some internal teeth pins 94 in the circumferential direction of the internal gear 54 are in mesh. Can revolve around the central axis 92 of the internal gear 54.
- the internal tooth pin 94 is not fixed to the internal gear 54 and is disposed in a groove 54a (see FIG. 3) formed in the internal gear 54.
- the internal tooth pin 94 can rotate around its center 94x.
- the difference between the number of teeth of external gear 62a and the number of teeth of internal gear 54 is 1, and the number of teeth of internal gear 54 is 40, so when external gear 62a revolves 40 times, external gear 62a force Rotates S i times. That is, when the crankshaft 60a rotates 40 times, the external gear 62a rotates once.
- a hole 88 is formed in the central portion of the external gear 62 a, and the cylindrical rod 28 passes through the hole 88.
- a through hole 63 is formed inside the cylindrical rod 28, and a cable, wiring, or the like can pass through the inside of the through hole 63.
- the center 58x of the eccentric cam 58a for the external gear 62a is The center axis 60x of the rotation of the crankshaft 60a is eccentric in the upward direction of the drawing.
- the center 58x of the eccentric cam 58a for the external gear 62a and the center of the eccentric cam 58b for the external gear 62b are always in a symmetrical position with respect to the center axis 60x of the rotation of the crankshaft 60a. That is, in FIG. 2, if the external gear 62a is eccentric leftward, the external gear 62b is eccentric rightward, and if the external gear 62a is eccentric upward, the external gear 62b is eccentric downward.
- the external gear 62a is eccentric in the right direction
- the external gear 62b is eccentric in the left direction
- the external gear 62a is eccentric in the downward direction
- the external gear 62b is eccentric in the upward direction. That is, when the external gear 62a, the external gear 62b, and the crankshaft 60a are observed as a whole, the external gear 62a and the external gear 62b are symmetrical with respect to the rotation center axis 60x of the crankshaft 60a. The relationship that ensures the balance of rotation is realized.
- the torque is transmitted to the relay shaft 36 by the belt 46 connecting the torque force pulleys 38 and 48 of the motor 50.
- the rotation of the relay shaft 36 is transmitted to a spur gear 82 that meshes with the gear portion 40 of the relay shaft 36.
- it is transmitted to the crankshaft 60 via a spur gear 78 meshing with a gear portion 80 formed in a part of the spur gear 82.
- the torque of the motor 50 is transmitted to all the crankshafts 60a, 60d, 60g via the spur gears 82, 78.
- the crankshaft 60a rotates around the center shaft 60x (see FIG.
- the eccentric cams 58a and 58b revolve around the center shaft 60x.
- the eccentric cams 58a and 58b revolve, the external gears 62a and 62b revolve as shown by an arrow 86 in a state of being engaged with the internal gear 54 via the internal tooth pins 94.
- the internal gear 54 is fixed to the support member 22 by bolts 24 and 42. That is, the rotation of the internal gear 54 is restricted, and the rotation of the external gears 62a and 62b is allowed.
- the external gears 62a and 62b revolve in a state of being engaged with the internal gear 54, the external gears 62a and 62b rotate.
- the encoder 26 can detect the rotation direction and the rotation angle of the cylindrical bar 28.
- Encoder 26 It is electrically connected to a control device (not shown), and the detection signal of the encoder 26 is input to the control device.
- the control device can control the rotation direction and rotation speed of the motor 50 in accordance with a preset program.
- FIG. 4 shows a cross-sectional view of the main parts of the speed reducer 114 and the rotating disk 112 of this embodiment. Since the configuration of the entire rotating device is the same as that of the first embodiment, a description thereof will be omitted. Here, only the portions of the reduction gear 114 that are different from the first embodiment will be described. The same members as those in the first embodiment are denoted by the same reference numerals or the same reference numerals in the last two digits, thereby omitting redundant description.
- a motor (not shown) is connected to an input shaft (crank shaft) 160 of the reduction gear 114 by a belt 46 and a pulley 138.
- the input shaft 160 is supported by a pair of bearings 152a and 152b so as to be able to rotate with respect to the carriers 172a and 172b and not to be displaced in the axial direction.
- Eccentric portions 158a and 158b are formed in the central portion of the input shaft 160 in the axial direction.
- External gears 162a and 162b are formed so as to surround the eccentric portions 158a and 158b.
- An internal gear 154 surrounding the external gears 162a and 162b is formed in a state of being engaged with the external gears 162a and 162b.
- the carrier 172a and the carrier 172b are fixed by a bolt 174 via a columnar member 164.
- the inner pin 98 passes through a through hole formed in the external gears 162a and 162b. A part of the carrier 172a and the carrier 172b is fixed by an inner pin 98.
- the central axis 160x of the input shaft 160 of the speed reducer 114 coincides with the central axis of the rotating disk 112.
- FIG. 5 shows a cross section of the reduction gear 114 taken along line V—V in FIG.
- a hole 188 is formed in the central portion of the external gear 162a.
- An eccentric portion 158 a of the input shaft 160 is engaged with the inside of the hole 188 via a needle bearing 156. It should be noted that the input shaft 160 and the eccentric portion 158a are separately shaded for ease of force component, which is an integral member.
- the center 158x of the eccentric part 158a is eccentric from the center axis 160x of the input shaft 160.
- Input shaft A through hole is formed in the central portion of 160, and a cylindrical rod 128 passes through the inner peripheral side of the through hole. Further, a through hole 163 is also formed in the central portion of the cylindrical bar 128. Twelve holes 184a to 1841 are formed in the external gear 162a in the circumferential direction. Three columnar brackets 164a, 164e, and 164i connecting the carriers 172a and 172b (For simplicity of illustration, only the columnar member 164a is provided with a reference number, and the reference numbers of other columnar members are omitted.
- the external gear 162a revolves while rotating. That is, the carrier 172a, 172b force S rotates following the rotation of the external gears 162a, 162b, and is fixed to the carriers 172a, 172b by the Bonore 70! Rotate.
- FIG. 6 shows a cross-sectional view of the main parts of the speed reducer 214, the rotary disk 212, and the motor 250 of the rotary device that does not use the pulley belt of this embodiment. Since the configuration of the entire rotating device is the same as that of the first embodiment, a description thereof will be omitted. Here, only portions different from the above-described embodiment will be described. The same members as those in the above-described embodiment are denoted by the same reference numerals or the same reference numerals in the last two digits, and redundant description is omitted.
- the motor 250 is fixed to the speed reducer 214 with bolts 224.
- the motor 250 includes a stator 202, a rotor (rotating body) 204, and a nosing 222.
- the stator 202 is fixed to the housing 222.
- the motor 250 can rotate the rotor 204 by generating a magnetic field in at least one of the stator 202 and the rotor 204.
- the rotor 204 is in mesh with a gear portion 206 formed at the end of the input shaft 260.
- the input shaft 260 is formed with an elliptical part (eccentric rotating part) 258.
- the elliptical part 258 has an elliptical shape centered on the central axis CL of the input shaft 260 and is engaged with the external gear 262 via the bearing 208.
- the external gear 262 is flexible and deforms following the shape of the oval part 258. As shown in FIG. 6, the external gear 262 meshes with the internal gear 254 at the end of the elliptical long axis of the elliptical portion 258. The external gear 262 does not mesh with the internal gear 254 at the end of the elliptical portion 258 other than the long axis of the elliptical shape.
- the input shaft 260 rotates once, the external gear 262 rotates with respect to the internal gear 254 according to the difference in the number of teeth between the external gear 262 and the internal gear 254.
- the external gear 262 has 100 teeth and the internal gear 254 has 102 teeth, the external gear 262 rotates 1Z50 times against the internal gear 254 when the input shaft 260 rotates once. Only spin. In this embodiment, since the external gear 260 is fixed, the rotation of the input shaft 260 is output from the internal gear 254.
- a through hole 288 is formed in the central portion of the input shaft 260 of the speed reducer 214.
- a through hole 251 is formed in the central portion of the motor 250. The through holes 288 and 251 are connected, and the cylindrical rod 228 extends through the through holes 288 and 251.
- the force that the cylindrical bar is hollow. It may be solid if there is no need to pass wiring etc. inside the rotating device. That is, the shape of the cylindrical bar can be determined in accordance with the use and purpose of the rotating device.
- a pulley 'belt is used to connect the motor and the input shaft of the speed reducer.
- a motor having a through hole in the central portion is used.
- the motor output may be directly input to the input shaft of the reduction gear.
- the motor and the input shaft of the speed reducer are directly connected.
- a pulley 'belt is used to connect the motor output shaft to the speed reducer. May be connected to the input shaft.
- the rotation of the input shaft is output using the rotation of the external gear, but may be output using the rotation of the internal gear.
- the external gear may be fixed to the fixed frame, and the internal gear may be fixed to the rotating disk.
- the force shown when the difference in the number of teeth between the external gear and the internal gear is 1 or 2
- the difference in the number of teeth between the external gear and the internal gear may be either 1 or 2, or 3 or more. But you can. Decide it according to the desired reduction ratio.
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008513159A JP5189973B2 (ja) | 2006-04-25 | 2007-04-18 | 回転装置 |
US12/226,526 US7988581B2 (en) | 2006-04-25 | 2007-04-18 | Rotation output device |
CN2007800146590A CN101427053B (zh) | 2006-04-25 | 2007-04-18 | 旋转装置 |
EP07741878.8A EP2012045B1 (en) | 2006-04-25 | 2007-04-18 | Rotation device |
KR1020087027717A KR101375972B1 (ko) | 2006-04-25 | 2007-04-18 | 회전 출력 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-120096 | 2006-04-25 | ||
JP2006120096 | 2006-04-25 |
Publications (1)
Publication Number | Publication Date |
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WO2007125800A1 true WO2007125800A1 (ja) | 2007-11-08 |
Family
ID=38655327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/058442 WO2007125800A1 (ja) | 2006-04-25 | 2007-04-18 | 回転装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7988581B2 (ja) |
EP (1) | EP2012045B1 (ja) |
JP (1) | JP5189973B2 (ja) |
KR (1) | KR101375972B1 (ja) |
CN (1) | CN101427053B (ja) |
WO (1) | WO2007125800A1 (ja) |
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JP2011190908A (ja) * | 2010-03-16 | 2011-09-29 | Sumitomo Heavy Ind Ltd | ワーク回転装置 |
JP2011230252A (ja) * | 2010-04-28 | 2011-11-17 | Sumitomo Heavy Ind Ltd | ワーク回転装置 |
JP2018194150A (ja) * | 2017-05-22 | 2018-12-06 | Skg株式会社 | 回転減速伝達装置 |
US20220403918A1 (en) * | 2020-09-28 | 2022-12-22 | Mintrobot Co.,Ltd. | Cycloidal speed reducer |
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JP6271343B2 (ja) * | 2014-05-30 | 2018-01-31 | ナブテスコ株式会社 | 歯車装置 |
US9915319B2 (en) | 2014-09-29 | 2018-03-13 | Delbert Tesar | Compact parallel eccentric rotary actuator |
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Also Published As
Publication number | Publication date |
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CN101427053B (zh) | 2012-04-04 |
US20090062053A1 (en) | 2009-03-05 |
CN101427053A (zh) | 2009-05-06 |
KR101375972B1 (ko) | 2014-03-18 |
EP2012045B1 (en) | 2014-06-04 |
US7988581B2 (en) | 2011-08-02 |
KR20090009858A (ko) | 2009-01-23 |
EP2012045A4 (en) | 2012-03-21 |
JPWO2007125800A1 (ja) | 2009-09-10 |
EP2012045A1 (en) | 2009-01-07 |
JP5189973B2 (ja) | 2013-04-24 |
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