JP2012037009A - Power transmission device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power transmission device with a simple constitution capable of converting rotating motion or reciprocating motion into rotating motion by raising rotation torque via undulating motion.SOLUTION: A first reciprocating rotation gear 23 and a second reciprocating rotation gear 35 are respectively engaged with a reciprocating driving gear 5, when the reciprocating driving gear 5 rotates clockwise, the first reciprocating rotation gear 23 rotates counterclockwise and a first one-directional rotation gear 26 is caused to rotate counterclockwise via a first one-directional clutch 34 and, when the reciprocating driving gear 5 rotates counterclockwise, the second reciprocating rotation gear 35 rotates counterclockwise and a second one-directional rotation gear 38 is caused to rotate counterclockwise via a second one-directional clutch 36 and a rotation direction converting mechanism 52.

Description

  The present invention relates to a power transmission device.

  Conventionally, as an element technology for transmitting rotational power rotating about a first axis to rotational power rotating about a second axis in a direction orthogonal to the first axis, for example, a bevel gear transmission mechanism is used. is there. In addition, as elemental technologies for converting linear reciprocating motion and swinging motion into rotational power, there are, for example, a crank rotating mechanism (a mechanism for converting reciprocating motion into rotational power of a crankshaft), a rack and pinion mechanism, and the like.

  Furthermore, conventionally, an invention in which a linear reciprocating motion is converted into a normal / reverse rotation and this normal / reverse rotation is converted into a one-way rotation using a one-way clutch is known (see Patent Document 1). The applicant of the present application has already applied for a power transmission device as Japanese Patent Application No. 2009-75674, but the present invention is an improvement of the invention according to this prior application.

JP 2002-66864 A

  A mechanism for converting a reciprocating motion into a unidirectional rotational motion is known in Patent Document 1 and the like, but can transmit only intermittent rotation and is not suitable as a mechanism for continuous rotation. In order to increase the torque of the rotational force obtained by the reciprocating motion, it is necessary to combine a plurality of transmission gears, a belt mechanism, and the like. Furthermore, in order to make the rotational motion rotation axis orthogonal, orthogonal bevel gears or the like must be used, which increases the number of transmission elements and makes them complicated.

  In the invention according to the above-mentioned prior application by the applicant of the present application, the reciprocating drive gear, the first reciprocating rotating gear, and the second reciprocating rotating gear are sequentially meshed in series. In the combined configuration, there is a point that there is no flexibility in the layout design of the parts of the device to be used.

  The present invention converts a reciprocating motion and a rocking motion into a rotational motion, and even if it is input with a weak force, it can be powered up to increase rotational torque, and the direction of the axis of rotation can also be converted to a perpendicular direction. It is an object to realize a power transmission device having a simple structure. Another object of the present invention is to realize a configuration for obtaining the degree of freedom of arrangement of the components of the device to be used and the first and second reciprocating rotary gears.

  In order to solve the above-mentioned problem, the present invention is a power transmission device including a reciprocating rotation generating mechanism, a one-way rotation converting mechanism, and an interlocking output mechanism, and transmitting the input rotation of the input rotating shaft to the output rotating shaft. The reciprocating rotation generating mechanism includes the input rotating shaft, a rotating disk rotated by the input rotating shaft, a reciprocating drive gear, and a yoke protruding radially outward from the gear surface of the reciprocating drive gear, A oscillating arm whose base end is attached to the yoke and whose tip is interlocked with the rotating disk. When the rotating disk rotates, the oscillating arm reciprocally swings around the rotation center of the reciprocating drive gear. The reciprocating drive gear is configured to reciprocate, and the one-way rotation conversion mechanism includes a first conversion unit and a second conversion unit, and the first conversion unit is a first reciprocating gear that directly meshes with the reciprocating drive gear. A rotating gear, a first one-way clutch, a first When the first reciprocating rotary gear is reciprocally rotated by the reciprocating drive gear, only the rotation in one direction is transmitted to the first rotated shaft by the one-way clutch, The conversion unit includes a second reciprocating rotation gear that directly meshes with the reciprocating drive gear, a second one-way clutch, and a second rotated shaft, and the second reciprocating rotation gear is reciprocated by the reciprocating drive gear. When rotating, only the rotation in the other direction is transmitted to the second rotated shaft by the one-way clutch, and the interlock output mechanism is configured such that the rotating force of the first rotated shaft and the rotating force of the second rotated shaft are transmitted. Are alternately output as rotational forces in the same direction, and a power transmission device is provided.

  The rotating disk is disposed in a direction orthogonal to the reciprocating rotating gear, a socket having a spherical receiving surface on the inner surface is formed on the peripheral edge thereof, and a sphere is formed on the tip of the swing arm, It is good also as a structure which this spherical body part fits rotatably in the receiving surface of a socket.

  The rotating disk is arranged in the same direction as the reciprocating rotating gear, and a connecting link is pivotally attached to the peripheral portion of the rotating disk, and the tip of the swing arm is pivotally attached to the connecting link. The swing arm may be configured to be movable on the same plane.

  The interlock output mechanism includes a first unidirectional rotating member concentrically fixed to a first rotated shaft of the first converting unit, and a rotating direction conversion to a second rotated shaft of the second converting unit. And a second one-way rotating member concentrically fixed to the rotation transmission shaft coupled through the working mechanism, and the first one-way rotating member and the second one-way rotating member are interlocked with each other. It is good also as a structure provided with the transmission means to make and the said output rotating shaft.

  The first unidirectional rotating member and the second unidirectional rotating member are gears having the same configuration, and the transmission means is a chain attached to the first unidirectional rotating member and the second unidirectional rotating member. It is good also as a certain structure.

  The first unidirectional rotating member and the second unidirectional rotating member are rollers having the same configuration, and the transmission means is a belt attached to the first unidirectional rotating member and the second unidirectional rotating member. It is good also as a certain structure.

  A flywheel is preferably attached to the output rotation shaft.

  According to the power transmission device of the present invention, the one composed of the reciprocating drive gear, the bifurcated yoke and the swing arm as a whole acts as a lever (moment arm) around the rotating shaft, and reciprocally rotates the reciprocating rotating gear. Since the rotational output is obtained via the one-way clutch, the rotational force applied to the tip of the swing arm can be increased and output by the lever principle. Therefore, the reciprocating motion and the swinging motion can be converted into a rotational motion, and even if a weak force is input, the power can be increased to increase the rotational torque, and the direction of the rotational axis can also be converted to a direction orthogonal.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which illustrates typically a structure, an effect | action, etc. of Example 1 of the power transmission device based on this invention. It is the perspective view which looked at Example 1 of the power transmission device concerning the present invention from the slant front. It is the perspective view which looked at Example 1 of the power transmission device concerning the present invention from the upper surface. It is AA sectional drawing of FIG. It is a figure which illustrates typically a principle, composition, an operation, etc. of Example 2 of a power transmission device concerning the present invention. It is a figure explaining the principle and basic composition of the power transmission device concerning the present invention.

  EMBODIMENT OF THE INVENTION The form for implementing the power transmission device which concerns on this invention is demonstrated below with reference to drawings based on an Example.

(Principle and basic configuration)
The principle and basic configuration of the power transmission device 1 according to the present invention will be described with reference to FIG. The power transmission device 1 includes a reciprocating rotation generating mechanism 2, a one-way rotation converting mechanism 3, and an interlocking output mechanism 4.

  The reciprocating rotation generating mechanism 2 includes an input rotating shaft 16, a rotating disk 11 rotated by the input rotating shaft 16, a reciprocating drive gear 5, and a bifurcated yoke projecting radially outward from the gear surface of the reciprocating drive gear 5. 9 and a swing arm 10 whose base end is pivotally attached to the yoke 9 and whose tip is interlocked with the rotary disk. When the rotary disk 11 rotates, the swing arm 10 is centered on the rotation center of the reciprocating drive gear 5. The reciprocating drive gear 5 is reciprocally rotated.

  The one-way rotation conversion mechanism 3 includes a first conversion unit 21 and a second conversion unit 22, and the first conversion unit 21 and the second conversion unit 22 are reciprocating rotation gears that directly mesh with the reciprocating drive gear 5, respectively. 23, 35, one-way clutches 34, 39, and rotated shafts 25, 37. The reciprocating rotation gears 23 and 35 are reciprocally rotated by the reciprocating drive gear 5, and the reciprocating rotation is converted into rotation in one direction by the one-way clutches 34 and 39 and transmitted to the rotated shafts 25 and 37.

  In the interlocking output mechanism 4, the first one-way rotating gear 26 and the second one-way rotating gear 38 are interlocked by a chain 40, and for example, the output is extracted from the second one-way rotating gear 38. Intermittent rotation from the driven shaft 25 and intermittent rotation from the driven shaft 37, and rotation that has undergone direction change via a rotation direction conversion mechanism 52 (for example, rotation direction conversion gears 50 and 51). Is output as continuous rotation in the same direction.

  The first reciprocating rotation gear 23 of the first converter 21 is rotated counterclockwise during the rotation of the reciprocating drive gear 5 in one direction (for example, clockwise rotation), and the first The first rotating shaft 25 is rotated counterclockwise via the direction clutch 34. The counterclockwise rotation is output as rotation only in the counterclockwise direction via the first one-way rotating gear 26, the chain 40, and the second one-way rotating gear 38 of the interlock output mechanism 4. Output from the shaft 41.

  The second reciprocating rotation gear 35 of the second conversion unit 22 is rotated clockwise when the reciprocating drive gear 5 rotates in the other direction (for example, counterclockwise rotation), and the second reciprocating rotation gear 35 rotates in the second direction. The second rotated shaft 37 is rotated clockwise through the one-way clutch 39. Further, this clockwise rotation is converted into counterclockwise rotation via a rotation direction conversion mechanism 52 (for example, rotation direction conversion gears 50 and 51), and the rotated transmission shaft 43 and the interlocking output mechanism. The rotation is output from the output rotation shaft 41 as rotation only in the counterclockwise direction via the fourth second one-way rotation gear 38. However, the first conversion unit 21 and the second conversion unit 22 are intermittent rotations that rotate counterclockwise only at a timing (period) at which they do not rotate.

  As described above, the clockwise and counterclockwise rotations of the reciprocating drive gear 5 are rotated only in the counterclockwise direction by the first conversion unit 21 (since the clockwise rotation is lacking, the counterclockwise as a whole is intermittent. And the second converter 22 rotates only in the counterclockwise direction (since the clockwise rotation is lacking, the rotation is intermittent only in the counterclockwise direction as a whole). And the 1st conversion part 21 and the 2nd conversion part 22 are output from the interlocking output mechanism 4 as continuous rotation by rotating at the timing which does not mutually rotate, respectively.

  FIG. 1 is a diagram schematically illustrating the configuration, operation, and the like of the power transmission device according to the first embodiment of the present invention. FIGS. 2 to 4 illustrate the configuration of the power transmission device according to the first embodiment of the present invention. It is a figure explaining. As shown in FIGS. 1 and 3, the power transmission device 1 according to the first embodiment includes a reciprocating rotation generating mechanism 2, a one-way rotation converting mechanism 3, and an interlocking output mechanism 4.

  The reciprocating rotation generating mechanism 2 applies a reciprocating rotational force to a part of the circumferential surface of the reciprocating drive gear 5, and reciprocates (oscillates) the reciprocating drive gear 5 within a predetermined angle about its axis. It is. The unidirectional rotation conversion mechanism 3 is a mechanism that converts the reciprocating rotation of the reciprocating drive gear 5 into a unidirectional rotation. The interlocking output mechanism 4 is a mechanism that takes out the rotation in one direction converted by the one-way rotation conversion mechanism 3 as an output. Hereinafter, the configuration and operation of the first embodiment will be described in detail.

(Reciprocating rotation generation mechanism)
As shown in FIGS. 1 to 3, the reciprocating rotation generating mechanism 2 includes a reciprocating drive gear 5 (gear that drives reciprocating rotation), a swing mechanism 6 that generates reciprocating rotation, and an input shaft 16.

  The reciprocating drive gear 5 is concentrically fixed to a rotating shaft 7, and the rotating shaft 7 is rotatably attached to a first fixed frame 8 by a bearing (not shown). In the reciprocating drive gear 5, a bifurcated yoke 9 is provided so as to protrude from the gear surface on one side thereof in the radial direction from the axis of the gear.

  Note that the reciprocating drive gear 5 may be concentrically attached to a fixed shaft fixed to the first fixed frame 8.

  The swing mechanism 6 includes a swing arm 10 and a rotating disk 11. A flat portion 12 is formed at the base end portion of the swing arm 10, and this flat portion 12 is fitted between the flat inner surface 13 of the bifurcated yoke 9 of the reciprocating drive gear 5, and the yoke shaft 14 It is clamped so that it can rotate between the flat inner surfaces 13 of the forked yoke 9. A sphere 15 is formed at the tip of the swing arm 10.

  The rotating disk 11 is concentrically attached to the input rotating shaft 16. The input rotary shaft 16 is rotatably attached to a second fixed frame 17 by a bearing (not shown), and is rotationally driven by a prime mover such as an electric motor, a hydraulic motor, an engine, a windmill, or a water turbine. In short, the input rotation shaft 16 constitutes the input shaft of the power transmission device 1. The rotating disk 11 is formed with a socket 18 having a spherical receiving surface at a position near its periphery. The first fixed frame 8 and the second fixed frame 17 are provided upright on the base 19.

  As shown in FIG. 1, the spherical body portion 15 formed at the distal end portion of the swing arm 10 is rotatably fitted in the receiving surface of the socket 18 of the rotating disk 11. In short, the ball portion 15 formed at the tip of the swing arm 10 is fitted into the socket 18 to constitute a ball joint.

  When the rotating disk 11 is rotated by the input rotating shaft 16, as shown in FIG. 1, the sphere 15 at the tip of the swing arm 10 rotates (revolves) with the rotating disk 11 while rotating at the ball joint. Thus, when the spherical body portion 15 rotates together with the rotating disk 11, the flat portion 12 of the swing arm 10 can rotate around the yoke shaft 14 between the flat inner surfaces 13 of the bifurcated yoke 9.

  Moreover, as shown in FIG. 1, the whole of the swing arm 10, the bifurcated yoke 9, and the reciprocating drive gear 5 constitutes a single insulator, and the rotating shaft 7 of the reciprocating drive gear 5 is as shown in FIG. Reciprocating around the axis of If this pays attention to the reciprocating drive gear 5, it means that the reciprocating rotation is carried out around the axis of the rotating shaft 7 together with the rotating shaft 7.

  The reciprocating rotation generating mechanism 2 only needs to reciprocately rotate the reciprocating drive gear 5 together with the rotating shaft 7 and has a configuration including a swing arm 10 and a rotating disk 11 as in the first embodiment. It is not always necessary. In a second embodiment to be described later, a reciprocating rotation generating mechanism in which the reciprocating drive gear 5 reciprocates together with the rotating shaft 7 using a swing arm and a rotating disk having different configurations will be described. Further, for example, the tip end side of the swing arm 10 may be reciprocated by a linear reciprocating mechanism such as a cylinder piston.

(One-way rotation conversion mechanism)
The one-way rotation converting mechanism 3 is a mechanism for converting the reciprocating rotation of the reciprocating drive gear 5 generated by the reciprocating rotation generating mechanism 2 into one-way rotation. As shown in FIGS. 21 and a second conversion unit 22. The first conversion unit 21 and the second conversion unit 22 have substantially the same configuration, but the second conversion unit 22 is different in that it includes a rotation direction conversion mechanism 52 and a rotated transmission shaft 43. .

  As shown in FIGS. 1 to 4, the first converter 21 includes a first reciprocating rotary gear 23, a first one-way clutch shaft 24, and a first rotated shaft 25. A first one-way rotating gear 26 of the interlocking output mechanism 4 to be described later is coaxially fixed to the first rotated shaft 25.

  As shown in FIGS. 1, 3, and 4, the first reciprocating rotation gear 23 is configured integrally with a gear portion 27 and a boss portion 28 that are formed in an annular shape. The inner peripheral surface of the gear portion 27 is supported by being fitted to the outer peripheral surface of the first one-way clutch shaft 24 and can rotate the first one-way clutch shaft 24 only in one direction as will be described later. And The first reciprocating rotation gear 23 is in mesh with the reciprocating drive gear 5. The boss portion 28 is rotatably attached to the first fixed frame 8 by a bearing 29.

  As shown in FIG. 4, the first one-way clutch shaft 24 has a cylindrical portion 30 formed at the tip thereof, and is rotatably attached to the first fixed frame 8 by a bearing 31 in the cylindrical portion 30. . And the base end of the 1st to-be-rotated shaft 25 is fitted concentrically to this cylindrical part 30, and it is fixed by screwing. A first one-way rotating gear 26 of the interlocking output mechanism 4 is concentrically fixed to the first rotated shaft 25.

  A plurality of depressions 32 are formed on the inner peripheral surface of the first reciprocating rotation gear 23 at regular intervals in the circumferential direction. The plurality of dents 32 are gradually formed deeper in the outer circumferential direction toward one direction in the circumferential direction of the first reciprocating rotary gear 23 (counterclockwise in the example of FIG. 1), and are wedge-shaped in cross section (tapered in cross section). It is formed as an indented.

  In the space formed by the recess 32 and the outer peripheral surface of the first one-way clutch shaft 24, as shown in FIG. 1, a spherical clutch ball 33 or a cylindrical clutch roller (hereinafter referred to as the present embodiment). 1 is described with a clutch ball 33).

  A wedge-shaped recess 32 formed on the inner peripheral surface of the first reciprocating rotary gear 23, a clutch ball 33, and a first one-way clutch shaft 24 form a first one-way clutch 34. By providing such a first one-way clutch 34, as shown in FIG. 1, when the first reciprocating rotation gear 23 rotates counterclockwise, the clutch ball 33 moves to a shallow portion of the wedge-shaped recess 32. The first one-way clutch shaft 24 is pressed and rotated counterclockwise, and the first reciprocating rotation gear 23 transmits the counterclockwise rotation to the first one-way clutch shaft 24.

  On the contrary, when the first reciprocating rotation gear 23 rotates in the clockwise direction, the clutch ball 33 moves to a deep portion of the wedge-shaped deep recess 32 and enters a play state, so that the first one-way clutch shaft 24 is pressed. The first reciprocating rotation gear 23 is freely rotated (swing) with respect to the first one-way clutch shaft 24, and the first reciprocating rotation gear 23 rotates clockwise in the first one direction. It is not transmitted to the clutch shaft 24.

  Thus, only the counterclockwise rotation of the first reciprocating rotation gear 23 is transmitted to the first one-way clutch shaft 24. The counterclockwise rotation is further transmitted from the first one-way clutch shaft 24 to the first one-way rotation gear 26 via the first rotated shaft 25. Eventually, when the first reciprocating rotation gear 23 reciprocates, the first one-way rotation gear 26 rotates intermittently counterclockwise. Here, intermittently rotating means that only the first rotation period of the reciprocating rotation gear 5 in the clockwise direction and the first reciprocating rotation gear 23 in the counterclockwise rotation period in the reciprocating rotation of the first reciprocating rotation gear 23. This means that the direction clutch shaft 24 rotates counterclockwise.

  As shown in FIGS. 1 and 2, the second conversion unit 22 includes a second reciprocating rotation gear 35 meshed with the reciprocating drive gear 5, a second one-way clutch shaft 36, and a second rotated object. A shaft 37, a rotation direction changing mechanism 52 (rotation direction changing gears 50 and 51), and a rotated transmission shaft 43 are provided. The second reciprocating rotary gear 35, the second one-way clutch shaft 36, and the second rotated shaft 37 in the second converting unit 22 are the first reciprocating rotary gear 23 and the second revolving rotary shaft 37 in the first converting unit 21, respectively. The one-way clutch shaft 24 and the first rotated shaft 25 have substantially the same configuration.

  A rotation direction conversion gear 50 is concentrically fixed to the second rotated shaft 37, and a rotation direction conversion gear 51 and a second one-way rotation gear 38 are concentric to the rotation transmission shaft 43. It is fixed to. The rotation direction changing gear 50 and the rotation direction changing gear 51 are meshed with each other.

  Like the first reciprocating rotary gear 23, the second reciprocating rotary gear 35 has a plurality of wedges 32 having a wedge-shaped cross section formed at regular intervals in the circumferential direction. The clutch ball 33 is inserted to constitute a second one-way clutch 39 together with the second one-way clutch shaft 36. However, the recess 32 formed in the second reciprocating rotary gear 35 gradually increases in the direction opposite to the recess 32 formed in the first reciprocating rotary gear 23 (clockwise in the example of FIG. 1). Are formed deeply in the outer peripheral direction, and are formed as depressions having a wedge-shaped section (tapered section).

  In short, the configuration of the second conversion unit 22 is substantially the same as the configuration of the first conversion unit 21, and detailed description of the common configuration is omitted, but the important point is that the second conversion unit 22 The operation direction of the clutch 22 is opposite to that of the first converter 21 in the circumferential direction.

  Therefore, in the second converter 22, only when the second reciprocating gear 35 rotates in the clockwise direction, the rotation is transmitted to the second one-way clutch shaft 36 and rotated in the clockwise direction. When the reciprocating rotary gear 35 rotates counterclockwise, the rotation is not transmitted to the second one-way clutch shaft 36.

  As a result, when the reciprocating rotation gear 5 reciprocates and the second reciprocating rotation gear 35 reciprocates, the second one-way clutch shaft 36 intermittently rotates clockwise, and further the second one-way clutch shaft. A second rotating shaft 37 fixed to 36 rotates intermittently in the clockwise direction. Here, intermittent rotation means that the second first reciprocating gear 5 is rotated only in the counterclockwise rotation period and the second reciprocating rotation gear 35 in the clockwise rotation period in the reciprocating rotation. This means that the direction clutch shaft 36 rotates in the clockwise direction.

  Eventually, as a whole, intermittent rotation of the first rotated shaft 25 in the counterclockwise direction and intermittent rotation of the second rotated shaft 37 in the clockwise direction alternately occur as timings. Are set in the same direction and output as a continuous rotational force from the interlocking output mechanism described later.

  In order to set the intermittent rotation of the first rotated shaft 25 in the counterclockwise direction and the intermittent rotation of the second rotated shaft 37 in the clockwise direction in the same direction, for example, It is possible to attach a chain between the first direction rotating gear 26 and the second direction rotating gear 38 by dragging or by various other rotation direction changing mechanisms.

  In the first embodiment, a rotation transmission shaft 43 coupled to the second rotation shaft 37 via a rotation direction converting mechanism 52 is provided, and the rotation transmission shaft 43 is connected to the first rotation shaft 25. It was configured to rotate intermittently in the same counterclockwise direction. The rotation direction changing mechanism 52 is configured such that a rotation direction changing gear 50 fixed to the second rotated shaft 37 and a rotation direction changing gear 51 fixed to the rotated transmission shaft 43 are engaged with each other. Has been.

  It should be noted here that the first reciprocating gear 23 and the second reciprocating gear 35 are directly meshed with the reciprocating drive gear 5, respectively. Through the directional clutch 39, the first unidirectional rotating gear 26 fixed to the first rotated shaft 25 and the second unidirectional rotating gear 38 fixed to the rotated transmission shaft 43 are intermittently provided in the same direction. However, the intermittent rotation of the first unidirectional rotating gear 26 and the intermittent rotation of the second unidirectional rotating gear 38 are not simultaneously with each other but at different timings, as will be described later in the section of action. Occurs to make up.

  In the interlocking output mechanism 4 described below, the first one-way rotating gear 26 and the second one-way rotating gear 38 are interlocked with each other by transmission means, and intermittent output rotation by the first converter 21 is performed. The intermittent output rotation by the second conversion unit 22 is adjusted so as to complement the rotation period. As a result, the power transmission device 1 according to the present invention finally generates a continuous rotational output.

(Linked output mechanism)
The interlocking output mechanism 4 is a part having a function of outputting a continuous rotation by combining the output rotation by the first conversion unit 21 and the output rotation by the second conversion unit 22 so as to supplement the rotation period.

  As shown in FIGS. 1 and 3, the interlock output mechanism 4 includes a first one-way rotating gear 26 (first one-way rotating member) fixed concentrically to the first rotating shaft 25, The second one-way rotating gear 38 (second one-way rotating member) concentrically fixed to the rotation transmission shaft 43 and the first one-way rotating gear 26 and the second one-way rotating gear. Transmission means for interlocking 38 with each other and an output rotating shaft 41 are provided. The first one-way rotating gear 26 and the second one-way rotating gear 38 have the same configuration, that is, the same configuration in diameter and number of teeth.

  In the first embodiment, a chain 40 mounted between the first one-way rotating gear 26 and the second one-way rotating gear 38 is provided as the transmission means. In addition, by attaching the chain 40 between the first unidirectional rotating gear 26 and the second unidirectional rotating gear 38, the rotational direction converting mechanism 52 and the rotated transmission shaft 43 are not provided. The second one-way rotating gear 38 may be directly fixed to the second rotated shaft 37 and provided.

  Although not shown, the first one-way rotating gear 26 and the second one-way rotating gear 38 are not directly linked by the chain 40, and the chain travels between the two gears 26 and 38 as necessary. An idle gear (not shown) may be provided on the road, and the chain may be attached via the idle gear.

  Moreover, as a transmission means, you may employ | adopt the gear transmission mechanism via the intermediate gear between the 1st one way rotation gear 26 and the 2nd one way rotation gear instead of the chain 40. FIG.

  The first unidirectional rotating member and the second unidirectional rotating member are not gears, but have the same configuration, that is, rollers having the same diameter, and the transmission means includes at least the first unidirectional rotating member and the second unidirectional rotating member. It may be a transmission mechanism such as a belt attached to the unidirectional rotating member.

  The rotational output is taken from the first one-way rotating gear 26 or the second one-way rotating gear 38. In the first embodiment, the output is taken out from the output rotation shaft 41 of the second one-way rotation gear 38. In the first embodiment, the output rotating shaft 41 uses the rotated transmission shaft 43 in common. However, the output rotating shaft 41 may be a different shaft, or the second one-way rotating gear 38 may be rotated by another gear. It is good also as a structure taken out via.

  If the flywheel 42 is concentrically fixed to the output rotation shaft 41, a smooth rotation output can be obtained by the rotation inertia force, and the first one-way rotation gear 26 and the second one-way rotation gear 38 are provided. Even if the rotation is intermittent, smooth rotation can be obtained as a whole.

(Function)
The operation of the power transmission device 1 of the first embodiment having the above configuration will be described. As shown in FIGS. 1 to 3, when a rotation input is applied to the input rotation shaft 16, the rotating disk 11 rotates. When the rotating disk 11 rotates, the flat portion 12 at the base end portion of the swing arm 10 rotates about the yoke shaft 14 between the flat inner surfaces 13 of the bifurcated yoke 9 (rotates in a two-dimensional plane). At the same time, the spherical portion 15 at the tip of the swing arm 10 rotates in the socket 18 of the rotating disk 11 (rotates in a three-dimensional space) and follows the rotation of the rotating disk 11 so as to follow the socket of the rotating disk 11. It rotates (revolves) along 18 rotation trajectories.

  Then, the reciprocating drive gear 5, the bifurcated yoke 9, and the swing arm 10 as a whole act as a lever (moment arm) around the axis of the rotating shaft 7, and the reciprocating driving gear 5 is The first reciprocating rotation gear 23 and the second reciprocating rotation gear 35 are reciprocally rotated in the same direction at the same time.

  At this time, as shown in FIG. 1, the length from the axial center of the rotating shaft 7 to the distal end portion (spherical portion 15) of the swing arm 10 in the length on the projection surface viewed from the front is L1, the rotating shaft. 7 to the tooth of the reciprocating drive gear 5 (more precisely, the portion meshing with the first reciprocating rotary gear 23), the length of the rotary disc 11 is added to the tip of the swing arm 10. The generated rotational force F becomes F × L1 / L2 according to the principle of the lever, and is increased and transmitted to the first reciprocating rotary gear 23 and the second reciprocating rotary gear 35.

  When the reciprocating drive gear 5 rotates clockwise and the first reciprocating rotating gear 23 and the second reciprocating rotating gear 35 rotate counterclockwise, the clutch balls 33 of the first reciprocating rotating gear 23 are wedge-shaped depressions. The first one-way clutch shaft 24 is pressed and rotated counterclockwise while moving relative to the shallow portion 32.

  Even if the reciprocating drive gear 5 rotates counterclockwise and the first reciprocating rotating gear 23 rotates clockwise, the clutch ball 33 moves to a deep portion of the wedge-shaped recess 32, so that the first one-way clutch Without pressing the shaft 24, the first reciprocating rotary gear 23 freely rotates (swivel) with respect to the first one-way clutch shaft 24, and the first reciprocating rotary gear 23 rotates clockwise. Is not transmitted to the first one-way clutch shaft 24.

  Thus, only the counterclockwise rotation of the first reciprocating rotation gear 23 is transmitted to the first one-way clutch shaft 24. The counterclockwise rotation is further transmitted to the first one-way rotating gear 26 via the first rotated shaft 25. Eventually, when the first reciprocating rotation gear 23 reciprocates, the first one-way rotating gear 26 rotates counterclockwise only during the counterclockwise rotation period, and intermittently with respect to the reciprocating rotation of the reciprocating drive gear 5. Rotation will occur.

  On the other hand, when the second reciprocating rotation gear 35 rotates counterclockwise, the second reciprocating rotation gear 35 idles around the second one-way clutch shaft 36, and the second one-way clutch shaft. No rotational force is transmitted to 36.

  However, when the reciprocating drive gear 5 rotates counterclockwise and the second reciprocating rotational gear 35 rotates clockwise, the second one-way clutch shaft 36 of the second one-way clutch 39, the second rotated body The second one-way rotating gear 38 is rotated counterclockwise by the shaft 37 and the rotated transmission shaft 43. Eventually, when the second reciprocating rotation gear 35 reciprocates, the second one-way rotating gear 38 rotates counterclockwise only during the clockwise rotation period, and intermittently with respect to the reciprocating rotation of the reciprocating drive gear 5. Rotation will occur.

  Here, the operations from the reciprocating drive gear 5 to the first conversion unit 21 and the second conversion unit 22 and further to the interlocking output mechanism 4 are arranged. When the reciprocating drive gear 5 rotates clockwise, the first reciprocating rotating gear 23 rotates counterclockwise, and the first one-way rotating gear 26 is counterclockwise via the first one-way clutch 34. The second reciprocating rotation gear 35 is rotated counterclockwise, but the rotation is not transmitted to the second one-way rotation gear 38.

  Further, when the reciprocating drive gear 5 rotates counterclockwise, the first reciprocating rotational gear 23 rotates clockwise, but the rotation is not transmitted to the first one-way rotating gear 26 and the second reciprocating rotational gear 26 is rotated. The gear 35 rotates in the clockwise direction, and rotates the second one-way rotating gear 38 in the counterclockwise direction through the second one-way clutch 39 or the rotation direction changing mechanism 52.

  Accordingly, during the period in which the reciprocating drive gear 5 rotates in the clockwise direction, the first one-way rotating gear 26 rotates in the counterclockwise direction, and during the period in which the reciprocating driving gear 5 rotates in the counterclockwise direction, the second one direction The rotating gear 38 rotates counterclockwise. In short, the first unidirectional rotating gear 26 and the second unidirectional rotating gear 38 alternately rotate counterclockwise during continuous rotation of the reciprocating drive gear 5 in either direction, A rotational output is generated.

  Since the first one-way rotating gear 26 and the second one-way rotating gear 38 are interlocked by the chain 40, the first one-way rotating gear 26 and the second one-way rotating gear 38 are connected to each other. The rotations are adjusted so as to compensate for a period in which the rotations do not rotate with each other, and are extracted from the output rotation shaft 41 as a counterclockwise rotation output. If the flywheel 42 is attached to the output rotation shaft 41, the inertial force acts to obtain a smooth continuous rotation output.

  FIG. 5 is a diagram schematically illustrating the configuration and operation of the power transmission device according to the second embodiment of the present invention. In the second embodiment, the one-way rotation conversion mechanism 3 and the interlocking mechanism 4 are the same as in the first embodiment, but the reciprocating rotation generation mechanism is different. Hereinafter, the second embodiment will be described focusing on the reciprocating rotation generating mechanism 2 '. In the second embodiment, parts having the same configuration as in the first embodiment are denoted by the same reference numerals.

  In the second embodiment, the reciprocating rotation generating mechanism 2 ′ has a reciprocating drive gear 5 and a swing mechanism 6 ′ that generates reciprocating rotation, as shown in FIG. 5, as in the first embodiment. The reciprocating drive gear 5 is the same as that of the first embodiment, is concentrically fixed to a rotating shaft 7 rotatably attached to a first fixed frame 8 by a bearing, and is rotatably supported by the first frame 8. ing. In the reciprocating drive gear 5, a bifurcated yoke 9 projects from the gear surface on one side thereof in the radial direction from the shaft center of the gear.

  As shown in FIG. 5, the rotating disk 45 is disposed in the same direction as the reciprocating drive gear 5 (front direction in FIG. 5), and is concentrically fixed to the input rotating shaft 16 '. Therefore, the second fixed frame 17 ′ that supports the input rotary shaft 16 ′ via a bearing has the same orientation as the first fixed frame 8 that rotatably supports the rotary shaft 7 of the reciprocating drive gear 5 (FIG. 5). (Center front direction).

  One end of a connecting link 46 composed of two link rods is pivotally attached to the surface near the peripheral edge of the rotating disk 45. The tip of the swing arm 10 ′ is pivotally attached to the other end of the connecting link 46. A flat portion 12 is formed at the base end portion of the swing arm 10 ′ similarly to the first embodiment, and this flat portion 12 is screwed between the flat inner surface 13 of the bifurcated yoke 9 fixed to the reciprocating drive gear 5. 47 is attached. The mounting structure in the second embodiment may or may not rotate around the axis of the screw 47, but at least when the swing arm 10 ′ swings, the reciprocating drive gear 5 reciprocates. It must have a proper mounting structure.

  According to the reciprocating rotation generating mechanism 2 ′ of the second embodiment configured as described above, when the input rotating shaft 16 ′ rotates and the rotating disk 45 rotates, the swing arm 10 ′ is centered on the axis of the rotating shaft 7. The reciprocating drive gear 5 and the bifurcated yoke 9 oscillate in one vertical plane. By this swinging, the reciprocating drive gear 5 is reciprocally rotated around the axis of the rotating shaft 7. The reciprocating rotation of the reciprocating drive gear 5 operates the unidirectional rotation converting mechanism 3 in the same manner as in the first embodiment, and the interlocking output mechanism 4 provides a unidirectional rotational output.

  As mentioned above, although the form for implementing the power transmission device which concerns on this invention was demonstrated based on the Example, this invention is not limited to such an Example, The technique described in the claim It goes without saying that there are various embodiments within the scope of the subject matter.

  For example, in the interlock output mechanism, a first one-way rotating gear, a second one-way rotating gear, a chain, and the like are used, but rollers and a belt may be used instead of the gear and the chain. The one-way clutch may be any one of various known one-way clutches, not the one-way clutch described in the embodiment.

  Since the power transmission device according to the present invention has the above-described configuration, the field of energy technology such as a power transmission device that rotates the generator using the rotational force of the wind turbine of wind power generation, and other industrial technology fields. It is applicable to. In particular, since the rotational torque can be increased by utilizing the lever principle, it is suitable for a device requiring a large torque.

1 Power transmission device
2 Reciprocating rotation generation mechanism
3 Unidirectional rotation conversion mechanism
4 Interlocking output mechanism
5 Reciprocating drive gear
6 Swing mechanism
7 Rotary shaft of reciprocating drive gear
8 First fixed frame
9 Forked yoke
10 Swing arm
11 Rotating disc
12 Flat part of swing arm
13 Flat inner surface of bifurcated yoke
14 Yoke shaft
15 Sphere part of swing arm
16 Input rotation axis
17 Second fixed frame
18 socket 19 base
21 1st conversion part
22 Second converter
23 First reciprocating gear
24 first one-way clutch shaft
25 First rotated shaft
26 First one-way rotating gear
27 Gear portion of first and second reciprocating rotary gears
28 Boss portions of first and second reciprocating rotary gears
29 First reciprocating rotary gear bearing
30 cylindrical portion of first and second one-way clutch shafts
31 First one-way clutch shaft bearing
32 depression
33 Clutch ball
34 First one-way clutch
35 Second reciprocating rotation gear
36 second one-way clutch shaft
37 Second rotated shaft
38 Second one-way rotating gear
39 Second one-way clutch
40 chain
41 Output rotation axis
42 Flywheel 43 Rotated transmission shaft
2 'reciprocating rotation generation mechanism
6 'swing mechanism
10 'swing arm
16 'input rotation axis
17 'second fixed frame
45 rotating disc
46 Link
47 Screw 50, 51 Rotation direction conversion gear 52 Rotation direction conversion mechanism

Claims (7)

A power transmission device comprising a reciprocating rotation generating mechanism, a one-way rotation converting mechanism, and an interlocking output mechanism, and transmitting the input rotation of the input rotating shaft to the output rotating shaft,
The reciprocating rotation generating mechanism includes the input rotating shaft, a rotating disk rotated by the input rotating shaft, a reciprocating drive gear, a yoke projecting radially outward from the gear surface of the reciprocating drive gear, A swing arm whose end is attached to the yoke and whose tip is interlocked with the rotating disk, and when the rotating disk rotates, the swing arm swings reciprocally around the rotation center of the reciprocating drive gear; The reciprocating drive gear is configured to reciprocate,
The one-way rotation conversion mechanism includes a first conversion unit and a second conversion unit,
The first conversion unit includes a first reciprocating rotation gear that directly meshes with the reciprocating drive gear, a first one-way clutch, and a first rotated shaft, and the first reciprocating rotation gear by the reciprocating drive gear. When the reciprocating rotation, only the rotation in one direction is transmitted to the first rotated shaft by the one-way clutch,
The second conversion unit includes a second reciprocating rotation gear that directly meshes with the reciprocating driving gear, a second one-way clutch, and a second rotated shaft, and the second reciprocating driving gear performs the second reciprocating rotation. When the gear reciprocates, only the rotation in the other direction is transmitted to the second rotated shaft by the one-way clutch,
The interlock output mechanism is configured to alternately output the rotational force of the first rotational shaft and the rotational force of the second rotational shaft as rotational forces in the same direction.   The rotating disk is disposed in a direction orthogonal to the reciprocating rotating gear, a socket having a spherical receiving surface on the inner surface is formed on the peripheral edge thereof, and a sphere is formed on the tip of the swing arm, The power transmission device according to claim 1, wherein the spherical body portion is rotatably fitted in a receiving surface of the socket.   The rotating disk is arranged in the same direction as the reciprocating rotating gear, and a connecting link is pivotally attached to the peripheral portion of the rotating disk, and the tip of the swing arm is pivotally attached to the connecting link. The power transmission device according to claim 1, wherein the swing arms are movable in the same plane.   The interlock output mechanism includes a first unidirectional rotating member concentrically fixed to a first rotated shaft of the first converting unit, and a rotating direction conversion to a second rotated shaft of the second converting unit. And a second one-way rotating member concentrically fixed to the rotation transmission shaft coupled through the working mechanism, and the first one-way rotating member and the second one-way rotating member are interlocked with each other. The power transmission device according to claim 1, 2 or 3, further comprising: a transmission means to be operated and the output rotation shaft.   The first unidirectional rotating member and the second unidirectional rotating member are gears having the same configuration, and the transmission means is a chain attached to the first unidirectional rotating member and the second unidirectional rotating member. The power transmission device according to claim 4, wherein the power transmission device is provided.   The first unidirectional rotating member and the second unidirectional rotating member are rollers having the same configuration, and the transmission means is a belt attached to the first unidirectional rotating member and the second unidirectional rotating member. The power transmission device according to claim 4, wherein the power transmission device is provided.   The power transmission device according to claim 1, wherein a flywheel is attached to the output rotation shaft.

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