阅读说明：本技术 一种小型风力发电机的行星齿轮装置 (Planetary gear device of small wind driven generator ) 是由 李虎 彭怀正 张志远 于 2021-08-21 设计创作，主要内容包括：本发明公开了一种小型风力发电机的行星齿轮装置,属于风力发电设备技术领域,包括底座、传动机构、换挡机构、加速机构、减速机构。底座包括连接圆盘、安装座,所述的安装座转动安装在连接圆盘上,传动机构转动安装在底座上,当输出轴输出转速过小时,加速机构与传动机构啮合配合,用于加大输出轴转速,当输出轴输出转速过大时,减速机构与传动机构啮合配合,用于减小输出轴转速。(The invention discloses a planetary gear device of a small wind driven generator, belonging to the technical field of wind power generation equipment. The base comprises a connecting disc and a mounting seat, the mounting seat is rotatably mounted on the connecting disc, the transmission mechanism is rotatably mounted on the base, when the output rotating speed of the output shaft is too small, the accelerating mechanism is meshed and matched with the transmission mechanism and used for increasing the rotating speed of the output shaft, and when the output rotating speed of the output shaft is too large, the decelerating mechanism is meshed and matched with the transmission mechanism and used for reducing the rotating speed of the output shaft.)

1. The utility model provides a small-size aerogenerator's planetary gear device, includes the base, its characterized in that: the gear shifting mechanism is characterized by also comprising a transmission mechanism, a gear shifting mechanism, an accelerating mechanism and a decelerating mechanism; the base comprises a connecting disc and a mounting seat, and the mounting seat is rotatably mounted on the connecting disc;

the transmission mechanism is rotatably arranged on the base and comprises a rotating disc, a multi-gear set and an output shaft, the rotating disc is used for inputting rotating speed to drive the multi-gear set, and the output shaft is arranged on the multi-gear set;

the gear shifting mechanism is arranged on the base and comprises a roller and a sliding rod assembly, and the roller is driven to rotate so as to enable the sliding rod assembly to finish speed regulation;

when the output rotating speed of the output shaft is too small, the accelerating mechanism is meshed with the transmission mechanism and is used for increasing the rotating speed of the output shaft;

when the output rotating speed of the output shaft is too high, the speed reducing mechanism is meshed with the transmission mechanism and is used for reducing the rotating speed of the output shaft.

2. The planetary gear device of a small wind power generator as set forth in claim 1, wherein: the transmission mechanism further comprises a rotary large gear, the rotary large gear is fixedly connected with the rotary disc, the rotary large gear is rotatably installed on the installation seat and meshed with the driven long gear, and the driven long gear is fixedly installed on the sliding rod assembly.

3. The planetary gear device of a small wind power generator as set forth in claim 2, wherein: the multi-gear set comprises an installation wheel, the installation wheel is fixedly installed on a base, a toothed disc is installed on the installation wheel in a rotating mode, an edge pinion is matched with the inside of the toothed disc in an engaged mode, the edge pinion is installed on the installation wheel in a rotating mode, the edge pinion is meshed with a central gear, the central gear is installed on the installation wheel in a rotating mode, an output shaft is in sliding fit with the central gear, and the installation wheel is arranged between the output shaft and the base.

4. A planetary gear unit for a small wind power generator as set forth in claim 3, wherein: the gear shifting mechanism further comprises a gear shifting pinion, the gear shifting pinion is meshed with the rotary large gear in a matched mode, the gear shifting pinion is rotatably installed on the base through an intermediate shaft, a driving conical gear is fixedly installed on the intermediate shaft and meshed with a driven conical gear in a matched mode, a rotating shaft where the driven conical gear is located is rotatably installed on the base, a driving belt is rotatably installed at the output end of the rotating shaft, and a roller is rotatably installed at the output end of the driving belt.

5. The planetary gear device of a small wind power generator as set forth in claim 4, wherein: the sliding rod assembly comprises a multi-side rotating rod, wherein a reset spring is fixedly installed at the first end of the multi-side rotating rod, a gear shifting shaft is rotatably installed at the second end of the multi-side rotating rod, the multi-side rotating rod is in sliding fit with the idler wheel, the reset spring is fixedly installed on the base, the gear shifting shaft is slidably installed on the base, gear shifting discs are fixedly installed on the gear shifting shaft, two gear shifting discs are arranged, the first end of a push rod is slidably installed at one end, far away from the driven bevel gear, of the gear shifting shaft, and the second end of the push rod is slidably installed on the output shaft.

6. The planetary gear device of a small wind power generator as set forth in claim 5, wherein: the gear shifting mechanism further comprises an electromagnet, the bottom end of the electromagnet is fixedly installed on the base, and the upper end of the electromagnet is in sliding fit with the base of the roller.

7. The planetary gear device of a small wind power generator as set forth in claim 6, wherein: accelerating mechanism including accelerating gear wheel and accelerating pinion, accelerating gear wheel slidable mounting on the connection disc, accelerating gear wheel and connection disc between be provided with reset spring, accelerating gear wheel inner circle and accelerating pinion meshing cooperation, accelerating pinion rotate to install on the installation wheel, accelerating pinion and profile of tooth dish meshing cooperation, accelerating gear wheel and a shift dish meshing cooperation.

8. A planetary gear unit for a small wind power generator as set forth in claim 3, wherein: the speed reducing mechanism comprises a speed reducing gearwheel, the speed reducing gearwheel is slidably mounted on the connecting disc, a return spring is arranged between the speed reducing gearwheel and the connecting disc, and the speed reducing gearwheel is meshed with the toothed disc and used for primary speed reduction.

9. The planetary gear device of a small wind power generator as set forth in claim 8, wherein: the speed reducing mechanism further comprises a speed reducing intermediate gear and a speed reducing long gear, the speed reducing long gear is rotatably arranged on the mounting wheel, the speed reducing long gear is meshed and matched with the inner ring of the toothed disc, the speed reducing intermediate gear is slidably arranged on the output shaft, and when the speed is reduced in a second stage, the speed reducing intermediate gear is meshed and matched with the speed reducing long gear.

Technical Field

The invention belongs to the technical field of wind power generation equipment, and particularly relates to a planetary gear device of a small wind driven generator.

Background

The principle of wind power generation is to convert kinetic energy of wind into mechanical energy and then convert the mechanical energy into kinetic energy of electricity for storage or direct use, and the wind power generation is an environment-friendly power generation mode. Since the wind power generation speed depends on the wind power, the wind power generation speed and the wind power generation amount are stable when the wind power generation device is directly used, so that the power consumption of electric equipment is met.

The patent with application number 2016200376086 discloses a planetary gear transmission for wind power generation, which comprises a central wheel, an inner gear ring, a planet support, a planetary gear, a radial sliding bearing, an arc-shaped pad and the like. But still can not adjust the rotating speed of the output of the generator according to the size of the wind power. In view of the above problems, the present invention provides a planetary gear device of a small wind power generator.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: a planetary gear device of a small wind driven generator comprises a base, a transmission mechanism, a gear shifting mechanism, an accelerating mechanism and a decelerating mechanism; the base comprises a connecting disc and a mounting seat, and the mounting seat is rotatably mounted on the connecting disc.

The transmission mechanism is rotatably arranged on the base and comprises a rotating disc, a multi-gear set and an output shaft, wherein the rotating disc is used for inputting rotating speed to drive the multi-gear set, and the multi-gear set is provided with the output shaft. The gear shifting mechanism is arranged on the base and comprises a roller and a sliding rod assembly, and the roller is driven to rotate so that the sliding rod assembly can complete speed regulation. When the output rotating speed of the output shaft is too small, the accelerating mechanism is meshed and matched with the transmission mechanism and used for increasing the rotating speed of the output shaft. When the output rotating speed of the output shaft is too high, the speed reducing mechanism is meshed with the transmission mechanism and is used for reducing the rotating speed of the output shaft.

Furthermore, drive mechanism still include rotatory gear wheel, rotatory gear wheel and rotating disc fixed connection, rotatory gear wheel rotate and install on the mount pad, rotatory gear wheel and driven long gear meshing cooperation, driven long gear fixed mounting on the slide bar subassembly.

Furthermore, many gear groups including the installation wheel, installation wheel fixed mounting on the base, the installation wheel on rotate and install the profile of tooth dish, profile of tooth dish inside meshing cooperation have an edge pinion, edge pinion rotate and install on the installation wheel, edge pinion and sun gear meshing, sun gear rotate and install on the installation wheel, output shaft and sun gear sliding fit, output shaft and base between be provided with the installation wheel.

Furthermore, the gear shifting mechanism further comprises a gear shifting pinion, the gear shifting pinion is meshed with the rotary large gear in a matched mode, the gear shifting pinion is rotatably installed on the base through an intermediate shaft, a driving conical gear is fixedly installed on the intermediate shaft and meshed with a driven conical gear, a rotating shaft where the driven conical gear is located is rotatably installed on the base, a driving belt is rotatably installed at the output end of the rotating shaft, and a roller is rotatably installed at the output end of the driving belt.

Furthermore, the slide bar assembly comprises a multi-side rotating bar, a reset spring is fixedly installed at the first end of the multi-side rotating bar, a gear shifting shaft is rotatably installed at the second end of the multi-side rotating bar, the multi-side rotating bar is in sliding fit with the idler wheel, the reset spring is fixedly installed on the base, the gear shifting shaft is slidably installed on the base, two gear shifting discs are fixedly installed on the gear shifting shaft, a first end of a push rod is slidably installed at one end, far away from the driven bevel gear, of the gear shifting shaft, and the second end of the push rod is slidably installed on the output shaft.

Furthermore, the gear shifting mechanism further comprises an electromagnet, the bottom end of the electromagnet is fixedly installed on the base, and the upper end of the electromagnet is in sliding fit with the base of the roller.

Further, accelerating mechanism including accelerating gear wheel and accelerating pinion, accelerating gear wheel slidable mounting on the connection disc, accelerating gear wheel and connection disc between be provided with reset spring, accelerating gear wheel inner circle and accelerating pinion meshing cooperation, accelerating pinion rotate to install on the installation wheel, accelerating pinion and profile of tooth dish meshing cooperation, accelerating gear wheel and a shift dish meshing cooperation.

Furthermore, the speed reduction mechanism comprises a speed reduction gear wheel, the speed reduction gear wheel is slidably mounted on the connecting disc, a return spring is arranged between the speed reduction gear wheel and the connecting disc, and the speed reduction gear wheel is meshed with the toothed disc and used for primary speed reduction.

Furthermore, the reduction mechanism also comprises a reduction intermediate gear and a reduction long gear, the reduction long gear is rotatably arranged on the mounting wheel, the reduction long gear is meshed and matched with the inner ring of the toothed disc, the reduction intermediate gear is slidably arranged on the output shaft, and when the two-stage reduction is carried out, the reduction intermediate gear is meshed and matched with the reduction long gear.

Compared with the prior art, the invention has the beneficial effects that: (1) the invention automatically completes the adjustment of the generating speed of the small generator through the transmission mechanism, the gear shifting mechanism, the accelerating mechanism and the decelerating mechanism; (2) the gear shifting mechanism adjusts the gear shifting mechanism to select an accelerating mechanism or a decelerating mechanism according to the power generation condition through the magnetism of the electromagnet, so that the automation degree is high, and the practicability is high; (3) by using the accelerating mechanism and the decelerating mechanism in a matching way, wind power can be fully utilized to generate power stably.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a partial structure diagram of the transmission mechanism.

Fig. 4 is a schematic structural view of the shift mechanism.

Fig. 5 is a schematic view of a part of the structure of the transmission mechanism and the accelerating mechanism.

FIG. 6 is a schematic view of a part of the structure of the base, the transmission mechanism and the accelerating mechanism.

Fig. 7 is a partial structural schematic diagram of the base and the speed reducing mechanism.

Fig. 8 is a partial structural schematic view of the speed reducing mechanism.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better explain the embodiments of the present invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product, and it may be understood that some well-known structures in the drawings and descriptions thereof may be omitted to those skilled in the art.

Example (b): the planetary gear device of a small wind driven generator shown in fig. 1-6 comprises a base 1, a transmission mechanism 2, a gear shifting mechanism 3, an accelerating mechanism 4 and a decelerating mechanism 5; base 1 is including connecting disc 101, mount pad 102 rotates and installs on connecting disc 101, drive mechanism 2 rotates and installs on base 1, drive mechanism 2 is including rotating disc 201, the multiple gear train, output shaft 207, rotating disc 201 is used for the input rotational speed, drive the multiple gear train, install output shaft 207 on the multiple gear train, gearshift 3 sets up on base 1, gearshift 3 includes gyro wheel 305, the slide bar subassembly, rotate through drive gyro wheel 305, so that the speed governing is accomplished to the slide bar subassembly, when output shaft 207 output rotational speed was too little, acceleration mechanism 4 and drive mechanism 2 meshing cooperation, be used for increaseing output shaft 207 rotational speed, when output shaft 207 output rotational speed was too big, 5 and drive mechanism 2 meshing cooperation, be used for reducing output shaft 207 rotational speed. The output end of the rotating disc 201 is connected with a wind power generation device, and the rotating disc 201 is driven to rotate by wind power.

As shown in fig. 1, 2, 3, 5, and 6, the transmission mechanism 2 further includes a rotary large gear 202, the rotary large gear 202 is fixedly connected to the rotary disc 201, the rotary large gear 202 is rotatably mounted on the mounting base 102, the rotary large gear 202 is engaged with the driven long gear 203, and the driven long gear 203 is fixedly mounted on the slide bar assembly. When the rotating disc 201 rotates, the rotating gearwheel 202 is driven to rotate, the rotating gearwheel 202 drives the driven long gear 203 to rotate, and meanwhile, the rotating gearwheel 202 also drives the gear shifting pinion 301 to rotate.

The multi-gear set comprises a mounting wheel 204, the mounting wheel 204 is fixedly mounted on the base 1, a toothed disc 209 is rotatably mounted on the mounting wheel 204, an edge pinion 206 is meshed and matched inside the toothed disc 209, the edge pinion 206 is rotatably mounted on the mounting wheel 204, the edge pinion 206 is meshed with a central gear 205, the central gear 205 is rotatably mounted on the mounting wheel 204, an output shaft 207 is in sliding fit with the central gear 205, and the mounting wheel 204 is arranged between the output shaft 207 and the base 1. When the toothed disc 209 rotates, the edge pinion 206 and the central gear 205 of the inner ring rotate to drive the output shaft 207 to rotate, and the power generation speed of the power generation device at the tail end of the output shaft 207 is controlled.

As shown in fig. 1, fig. 2 and fig. 4, the shift mechanism 3 further includes a shift pinion 301, the shift pinion 301 is engaged with the large rotary gear 202, the shift pinion 301 is rotatably installed on the base 1 through an intermediate shaft, a driving conical gear 302 is fixedly installed on the intermediate shaft, the driving conical gear 302 is engaged with a driven conical gear 303, a rotating shaft where the driven conical gear 303 is located is rotatably installed on the base 1, a transmission belt 304 is rotatably installed at an output end of the rotating shaft, and a roller 305 is rotatably installed at an output end of the transmission belt 304. When the shift pinion 301 rotates, the driving bevel gear 302 rotates, the driven bevel gear 303 engaged with the driving bevel gear 302 rotates, the driving belt 304 rotates the roller 305, and the roller 305 and the polygon bar 307 are connected in a sliding manner.

The sliding rod assembly comprises a multi-side rotating rod 307, a return spring 306 is fixedly installed at the first end of the multi-side rotating rod 307, a shifting shaft 311 is rotatably installed at the second end of the multi-side rotating rod 307, the multi-side rotating rod 307 is in sliding fit with a roller 305, the return spring 306 is fixedly installed on the base 1, the shifting shaft 311 is slidably installed on the base 1, a shifting plate 310 is fixedly installed on the shifting shaft 311, the number of the shifting plates 310 is two, a first end of a push rod 308 is slidably installed at one end, away from the driven conical gear 303, of the shifting shaft 311, and the second end of the push rod 308. The upward movement of the roller 305 increases the friction between the multi-turn lever 307, which pushes the multi-turn lever 307 toward the end close to the driven bevel gear 303, carrying the shift shaft 311 forward, and the push rod 308 pushes the output shaft 207 forward, and the output shaft 207 is in spline fit with the sun gear 205 and can slide through the sun gear 205.

The gear shifting mechanism 3 further comprises an electromagnet 309, the bottom end of the electromagnet 309 is fixedly installed on the base 1, and the upper end of the electromagnet is in sliding fit with the base of the roller 305. When the input speed of the rotating disc 201 is too low, the power generation device connected to the output end of the output shaft 207 transmits a signal to the electromagnet 309, so that the electromagnet 309 pushes the roller 305 upward.

As shown in fig. 1, 2, 5 and 6, the accelerating mechanism 4 includes an accelerating gearwheel 401 and an accelerating pinion 402, the accelerating gearwheel 401 is slidably mounted on the connecting disc 101, a return spring is disposed between the accelerating gearwheel 401 and the connecting disc 101, an inner ring of the accelerating gearwheel 401 is engaged with the accelerating pinion 402, the accelerating pinion 402 is rotatably mounted on the mounting wheel 204, the accelerating pinion 402 is engaged with the toothed disc 209, and the accelerating gearwheel 401 is engaged with one of the shift discs 310. When the gear shifting shaft 311 moves, the gear shifting plate 310 close to the driven long gear 203 pushes the accelerating big gear 401 to a position meshed with the accelerating small gear 402, the polygonal rotating rod 307 and the gear shifting shaft 311 do not slide any more, at the moment, the driven long gear 203 drives the gear shifting shaft 311 to rotate, the gear shifting plate 310 also rotates, when the accelerating big gear 401 is driven to rotate, the accelerating small gear 402 rotates, and the accelerating small gear 402 drives the toothed plate 209 to rotate.

As shown in fig. 1 to 8, the decelerating mechanism 5 includes a decelerating large gear 501, the decelerating large gear 501 is slidably mounted on the connecting disc 101, a return spring is disposed between the decelerating large gear 501 and the connecting disc 101, and the decelerating large gear 501 is engaged with the toothed disc 209 for primary deceleration. When the rotating speed input by the rotating disc 201 is faster, the electromagnet 309 continuously pushes the roller 305 upwards, so that the roller 305 continuously pushes the polygonal rotating rod 307 and the shifting shaft 311 forwards, until the shifting disc 310 far away from the driven long gear 203 drives the reduction large gear 501 to move to be meshed with the toothed disc 209, the roller 305 does not push the polygonal rotating rod 307 to move any more, at this time, the transmission path is that the driven long gear 203 drives the shifting shaft 311 to rotate, the reduction large gear 501 is driven to rotate by the shifting disc 310, after the shifting disc 310 close to the driven long gear 203 pushes the acceleration large gear 401 forwards during moving, the acceleration large gear 401 idles and does not work any more, and when the reduction large gear 501 rotates, the inner ring gear drives the toothed disc 209 to rotate, so that the edge small gear 206 of the inner ring of the toothed disc 209 and the central gear 205 drive the output shaft 207 to rotate.

The reduction mechanism 5 further comprises a reduction intermediate gear 502 and a reduction long gear 503, the reduction long gear 503 is rotatably mounted on the mounting wheel 204, the reduction long gear 503 is engaged with the inner ring of the toothed disc 209, the reduction intermediate gear 502 is slidably mounted on the output shaft 207, and when the two-stage reduction is performed, the reduction intermediate gear 502 is engaged with the reduction long gear 503. When the rotating disc 201 inputs a rotating speed and needs to start secondary speed reduction soon, the shift shaft 311 drives the push rod 308 to move forwards until the speed reduction intermediate gear 502 moves to be meshed with the speed reduction long gear 503, at the moment, the transmission path is that the driven long gear 203 drives the shift shaft 311 and the shift disc 310 to rotate, the shift disc 310 enables the speed reduction large gear 501 to rotate, the toothed disc 209 rotates along with the speed reduction large gear 501, the speed reduction long gear 503 on the inner ring of the toothed disc 209 rotates along with the toothed disc 209, and the speed reduction intermediate gear 502 drives the output shaft 207 to rotate.