KR100428653B1 - A reduction gear apparatus generating multiple output - Google Patents

Abstract

The present invention relates to a gearbox for generating multiple outputs, the present invention relates to a gear housing, an internal gear fixed to the gear housing, and an input shaft having one end inserted into the gear housing and the other end connected to the motor shaft. And a base planet gear group including a sun gear coupled to one end of the input shaft, a plurality of planet gears meshing with the sun gear and the internal gear in the gear housing, and the planet gear of the base planet gear group. A third planet gear group respectively coupled to an upper surface and comprising a plurality of planet gears having a diameter different from the planet gears of the base planet gear group, and coupled to an upper surface of the planet gear of the third planet gear group, respectively; And a fourth planet composed of a plurality of planet gears having a diameter different from that of the third planet gear group. Rotating support means for supporting the planetary gears of the first gear group, the base planet gear group, the third planet gear group and the fourth planet gear group so as to be able to rotate and revolve around the input shaft, and the third planet gear group. And a third output means engaged with and rotating at a third output speed, and a fourth output means engaged with the fourth planet gear group and rotating at a fourth output speed to receive a rotational force from one motor. This effectively decelerates, as well as enabling output of different speeds in the desired direction of rotation during forward and reverse rotation.

Description

A reduction gear apparatus generating multiple output

The present invention relates to a reduction gear device, and in particular, receives a rotational force from a single motor, and decelerates it, as well as multiple outputs suitable for outputting multiple outputs combined in the desired rotational direction during forward and reverse rotation. It relates to a reduction gear device for generating.

In general, the reduction gear device is an assembly of gears of different diameters that receive the rotational force of a motor rotating at a considerable speed and convert it to a lower rotational speed, and is used in most devices using the rotational force of the motor. And the variety is very diverse.

1A is a reference view showing a vertical cross section of a conventional reduction gear unit, and FIG. 1B is a reference view showing a horizontal cross section taken along line AA ′ of FIG. 1A.

As shown, the conventional reduction gear device has an internal gear formed gear housing 101, one end is connected to the motor 113 shaft and the other end is input shaft 103 is inserted into the gear housing 101 on the input side And a plurality of planet gears 107 simultaneously engaged with the sun gear 105 coupled to the other end of the input shaft 103, and the internal gears of the sun gear 105 and the gear housing 101. The planetary gear 107 is provided with a plurality of connecting pins to be fitted in the center and the upper portion is configured to include a rotating plate 109 is provided with an output shaft 111 in the center.

By such a configuration, when the input shaft 103 is rotated by receiving the rotational force from the motor 113, the plurality of planet gears 107 engaged with the rotation as the rotation around the input shaft 103 at the same time as the rotation The rotating plate 109 is rotated at the idle speed of the planet gear 107 and output through the output shaft 111.

However, it is difficult for a conventional reduction gear to have two or more output shafts rotating at different speeds with only the simple configuration as described above. Therefore, a device requiring two or more output shafts having different rotation speeds, such as a stirring device, is difficult. In the problem of bulky and excessive installation cost.

Accordingly, the present invention has been proposed to solve the conventional problems as described above, an object of the present invention is to receive a rotational force from one motor with a simple configuration, and to effectively reduce it, as well as desired rotation during forward and reverse rotation. It is to provide a reduction gear device for generating multiple outputs that enable output of different speeds in the direction.

1A is a reference diagram showing a vertical section of a conventional reduction gear unit;

FIG. 1B is a reference view showing a horizontal section taken along the line AA ′ of FIG. 1A. FIG.

2 is a reference diagram showing the appearance of the present invention.

3 is an exploded perspective view of the present invention according to the first embodiment;

4 is a reference diagram showing a cross section of the present invention according to the first embodiment;

5 is a reference view showing the configuration of the rotation support means of the present invention according to the first embodiment.

6 is a reference diagram showing a configuration of a first output means of the present invention according to the first embodiment;

Fig. 7 is a reference diagram showing the construction of a second output means of the present invention according to the first embodiment.

8 is an exploded perspective view of the present invention according to a second embodiment;

9 is a reference diagram showing a cross section of the present invention according to a second embodiment;

10 is a reference view showing the configuration of the rotation support means of the present invention according to the second embodiment.

Fig. 11 is a reference diagram showing the arrangement of the third output means of the present invention according to the second embodiment.

12 is a reference diagram showing a configuration of a fourth output means of the present invention according to the second embodiment.

* Description of the symbols for the main parts of the drawings *

1,51: gear housing 3,55: input shaft

5,57: Sun gear 7,9,59,61,63: Planet gear

20,70: rotation support means 30: first output means

40: second output means 53: internal gear

80: third output means 90: fourth output means

In order to achieve the above object, a reduction gear device generating multiple outputs according to the present invention includes a gear housing, an input shaft having one end inserted into the gear housing and the other end connected to a motor shaft, Sun gear coupled to one end, the first planet gear group consisting of a plurality of planet gears meshing with the sun gear in the gear housing, and the planet gear upper surface of the first planet gear group, respectively, A second planet gear group including a plurality of planet gears having a diameter different from that of the first planet gear group, and rotation support means for supporting the planet gears of the first planet gear group and the second planet gear group to be rotatable; First output means engaged with the first planet gear group and rotating at a first output speed, and second engaged with the second planet gear group; And a second output means rotating at an output speed.

Here, the rotation support means, the lower support plate that is rotatably fitted to the input shaft in the lower portion of the sun gear, is installed vertically in the circumferential direction on the upper portion of the lower support plate, the first planet gear group and the second It may be configured to include a plurality of coupling pins fitted to the planet gear of the planet gear group, and an upper support plate for supporting the plurality of coupling pins from the top.

In addition, the first output means may include a first cylindrical member having an internal gear engaged with the first planet gear group on an inner circumferential surface thereof, and a first disk member coupled to an upper portion of the first cylindrical member; And a first output shaft installed above the first disc-shaped member and penetrating the output side of the gear housing, wherein the second output means is located inside the first cylindrical member and is positioned on the inner circumferential surface thereof. A second cylindrical member having an internal gear meshed with the planet gear group, a second disk member coupled to an upper portion of the second cylindrical member, and a second cylindrical member mounted on an upper portion of the second disk member; It may be configured to include a second output shaft penetrating the first output shaft.

On the other hand, the reduction gear device for generating a multiple output of the present invention is a gear housing, an internal gear fixed to the gear housing, an input shaft one end is inserted into the gear housing and the other end is connected to the motor shaft, and the input shaft Sun gear coupled to one end of the base planet gear group consisting of a plurality of planet gears meshed with the sun gear and the internal gear in the gear housing, and coupled to the planet gear upper surface of the base planet gear group, respectively And a third planet gear group having a plurality of planet gears different in diameter from the planet gears of the base planet gear group, and coupled to an upper surface of the planet gears of the third planet gear group, respectively, the base planet gear and the third planet. A fourth planet gear group composed of a plurality of planet gears having a diameter different from that of the gear group; Rotation support means for supporting the planet gears of the base planet gear group, the third planet gear group and the fourth planet gear group so as to be able to revolve around the input shaft at the same time as the rotation, and the third planet gear group being engaged with the third planet gear group. And a third output means for rotating at a speed and a fourth output means for engaging with the fourth planet gear group and rotating at a fourth output speed.

Here, the rotation support means, the lower support plate that is rotatably fitted to the input shaft in the lower portion of the sun gear, and vertically installed in the circumferential direction on the upper portion of the lower support plate, the base planet gear group, the third planet The gear group and the planet gear of the fourth planet gear group may include a plurality of coupling pins, and an upper support plate for supporting the plurality of coupling pins from the top.

The third output means may further include a third cylindrical member having an internal gear meshed with the third planet gear group on an inner circumferential surface thereof, and a third disk member coupled to an upper portion of the third cylindrical member. And a third output shaft installed above the third disc-shaped member and penetrating the output side of the gear housing, wherein the fourth output means is located inside the third cylindrical member and located on the inner circumferential surface thereof. A fourth cylindrical member having an internal gear meshed with the planet gear group, a fourth disk member coupled to an upper portion of the fourth cylindrical member, and an upper portion of the fourth disk member disposed on the fourth disk member; It may be configured to include a fourth output shaft passing through the three output shaft.

In addition, the planet gear of the third planet gear group is larger in diameter than the planet gear of the base planet gear group, and the planet gear of the fourth planet gear group is smaller in diameter than the planet gear of the base planet gear group. .

Hereinafter, embodiments of the present invention as described above will be described in detail with reference to the accompanying drawings.

2 is a reference diagram showing the appearance of the present invention.

As shown, the reduction gear device for generating multiple outputs of the present invention includes two or more output shafts (a, b) for outputting the rotational force input from the motor at different rotational speeds.

As a result, the present invention divides the rotational force of the input motor and decelerates at different speeds, and then outputs them multiplely through the output shafts a and b.

Thus, hereinafter, a configuration of a reduction gear device for generating multiple outputs of the present invention will be described as the first and second embodiments.

First, the configuration of the present invention according to the first embodiment will be described.

3 is an exploded perspective view of the present invention according to the first embodiment, and FIG. 4 is a reference view showing a cross section of the present invention according to the first embodiment.

As shown, the present invention is a gear housing (1), an input shaft (3) receiving the rotational force of the motor, a sun gear (5) coupled to the input shaft (3) and rotate together, the sun gear (5) ), The first planet gear group (7), the second planet gear group (9), and the planet gears of the first and second planet gear groups (7, 9) Rotating support means 20 for supporting the rotation, and the first output means 30 and the second output means 40 meshed with the first and second planet gear group (7, 9) respectively. .

Here, the input shaft 3 is inserted into the gear housing 1 one end and the other end is connected to the motor shaft.

As a result, the input shaft 3 transmits the rotational force of the motor into the gear housing 1.

In addition, the sun gear 5 is coupled to one end of the input shaft (3) inserted into the gear housing (1).

In addition, a plurality of planet gears constituting the first planet gear group 7 is engaged with the sun gear 5 in the gear housing 1.

Here, the planet gear constituting the first planet gear group (7) is disposed radially around the sun gear (5) appropriately to balance the force with the sun gear (5), the number is shown As many as three are suitable.

The planet gear of the first planet gear group 7 installed as described above is meshed with the sun gear 5 and the first output means 30 at the same time, thereby receiving rotational force from the sun gear 5. 1 to rotate the output means (30).

In addition, a plurality of planet gears constituting the second planet gear group 9 are fixed to the upper surface of the planet gear of the first planet gear group 7.

Here, the planet gear of the second planet gear group (9) and the planet gear of the first planet gear group (7) may be coupled by a pin coupling or screw coupling method, and all the planet gears mentioned below The same is true for bonding.

Thus, the planet gear of the second planet gear group 9 rotates at the same speed (angular velocity) as the planet gear of the first planet gear group 7, and rotates the engaged second output means 40. Let's go.

Here, the planet gear of the second planet gear group 9 is provided with a diameter different from the planet gear of the first planet gear group 7.

As such, when the planet gear diameters of the first planet gear group 7 and the second planet gear group 9 are different from each other, the first output means 30 and the second output means 40 meshed thereto are You can rotate at different speeds.

In addition, between the gear housing 1 and the first output means 30, between the first output means 30 and the second output means 40, the gear housing 1 and Between the rotation support means 20, between the rotation support means 20 and the input shaft 3, and between the upper end of the input shaft 3 and the lower portion of the second output means 40 in contact with the input shaft 3. It is preferred that an appropriate number of bearings be installed.

Here, between the gear housing 1 and the first output means 30, between the first output means 30 and the second output means 40, between the gear housing 1 and the rotation support means 20 The bearings installed between the rotation support means 20 and the input shaft 3 and between the upper end of the input shaft 3 and the lower portion of the second output means 40 in contact with the input shaft 3 are each in order. b1, b2, b3, b4, b5.

5 is a reference view showing the configuration of the rotation support means of the present invention according to the first embodiment.

As shown, the rotation support means 20 is configured to include a lower support plate 21, a plurality of coupling pins 23a, and an upper support plate 25.

Here, the lower support plate 21 of the rotation support means 20 is fitted to the input shaft 3 in the lower portion of the sun gear (5).

In addition, the coupling pin 23a is vertically installed along the circumferential direction on the upper portion of the lower support plate 21 and fitted to the planet gears of the first planet gear group 7 and the second planet gear group 9. Lose.

In addition, the upper support plate 25 supports the upper ends of the plurality of coupling pins 23a and is fixed to the coupling pins 23a at the top of the upper support plate 25 to fix the coupling pins 23a. It is preferable that the pin 23b is provided.

Here, the support 27 may be further installed between the lower support plate 21 and the upper support plate 25 so as to space the two support plates at predetermined intervals.

As a result, the rotation support means 20 supports the planet gears of the first planet gear group 7 and the second planet gear group 9 to be rotatable.

On the other hand, when the rotation support means 20 can rotate about the input shaft 3, the first planet gear group 7 and the second planet gear group (supported by the rotation support means 20 ( The planet gear 9 can rotate and rotate about the input shaft 3 at the same time.

In addition, the first output means 30 of the present invention is meshed with the planet gears 7 of the first planet gear group 7 to rotate and output at a first output speed, the second output means ( 40 is engaged with the planet gears 9 of the second planet gear group 9 to rotate and output at a second output speed.

Thus, the configuration of the first output means 30 and the second output means 40 will be described in more detail.

6 is a reference diagram showing the configuration of the first output means of the present invention according to the first embodiment.

As shown, the first output means 30 of the present invention comprises a first cylindrical member 31, a first disk-shaped member 33, and a first output shaft 35.

Here, the first cylindrical member 31 is formed on the inner circumferential surface is an internal gear meshing with the first planet gear group (7).

In addition, the first disk-shaped member 33 is coupled to the upper portion of the first cylindrical member 31.

In addition, the first output shaft 35 is provided above the first disc-shaped member 33 and is configured to penetrate the output side of the gear housing 1.

With such a configuration, the first output means 30 receives the rotational force from the planet gears of the first planet gear group 7 and finally outputs the reduced rotational force through the first output shaft 35. However, in order to easily understand the overall effect, the first output means 30 is fixed to the gear housing 1 and assumes no movement, and then observes the movement of each gear.

Here, the rotation speed of the sun gear (5) while the rotation support means 20 is one rotation, as is well known {1 + (number of internal gear teeth / sun gear 5 of the first output means 30) Number of teeth)).

In addition, the planet gear of the first planet gear group 7 is rotated while revolving around the sun gear 5 once, the number of the rotation (internal of the first output means 30) Number of gear teeth / number of planet gear teeth of the first planet gear group (7).

For example, if the number of teeth of the sun gear 5 is 20, the number of planet gear teeth of the first planet gear group 7 is 90, and the number of internal gear teeth of the first output means 30 is 200, In order for the rotation support means 20 to rotate about the sun gear 5, the sun gear 5 should be rotated {1 + (200/20)}, wherein the first planet gear group The planet gear in (7) will rotate (200/90) times.

However, this is limited when the first output means 30 is fixed to the gear housing 1 and does not move.

7 is a reference diagram showing the configuration of the second output means of the present invention according to the first embodiment.

As shown, the second output means 40 of the present invention, like the first output means 30, the second cylindrical member 41, the second disk member 43, and the second The output shaft 45 is comprised.

In this case, the second cylindrical member 41 is located inside the first cylindrical member 31 is formed on the inner peripheral surface is meshed with the second planet gear group (9) is formed.

In addition, the second disk-shaped member 43 is coupled to the upper portion of the second cylindrical member 41.

In addition, the second output shaft 45 is installed above the second disc-shaped member 43 and is configured to penetrate the first output shaft 35.

In this configuration, the second output means 40 receives the rotational force from the planet gears of the second planet gear group 9 and decelerates it, and finally outputs the reduced rotational force through the second output shaft 45. do.

Here, the rotation speed of the second output shaft 45 is the planet gear number of the first planet gear group (7) and the second planet gear group (8), the first planet gear group (7) and the first The number of teeth between the planet gears of the two planet gear groups 8 and the number of internal gear teeth of the second output means 40 are mainly determined.

That is, when the rotation support means 20 is rotated once, the rotation speed of the second output shaft 45 is equal to the rotation of the planet gears of the first planet gear group 7 of the second output means 40. It can be obtained by multiplying the revolutions per rotation of the planet gear of the first planet gear group (7).

For example, the number of teeth of the sun gear 5 is 20, the number of internal gear teeth of the first output means 30 is 200, the number of planet gear teeth of the first planet gear group 7 is 90, If the number of planet gear teeth of the second planet gear group 9 is 80 and the number of internal gear teeth of the second output means 40 is 190, the sun gear 5 is configured to move the second output shaft 45. 1 (1 + number of internal gear teeth of the first output means 30 / number of teeth of the sun gear 5)} / {{number of internal gear teeth of the first output means / first planet gear group ( 7) Number of teeth of the planet gear)} × {Number of internal gear teeth of the second output means / (Number of teeth of the planet gear of the first planet gear group 7-Number of planet gear teeth of the second planet gear group 9)}] It is calculated and calculated to be approximately 94.5 revolutions.

At this time, the second output means 40 is one rotation difference from the first output means 30 per 94.5 revolutions of the sun gear (5).

However, even here, the first output means 30 is fixed to the gear housing 1 and cannot be rotated.

Here, when the first output means 30 is not fixed to the gear housing 1 and configured to rotate freely, when the sun gear 5 rotates 94.5, the first output means 30 and the The second output means 40 is rotated so as to differ only by one rotation from each other.

That is, if any one output shaft rotates 0.5 rotation due to an arbitrary load property applied to the first output shaft 35 and the second output shaft 45, the other output shaft rotates 0.5 rotation in the opposite direction and the rotation difference is Compensate for one rotation.

If any one output shaft rotates 1.5 turns due to an arbitrary load property applied to the first output shaft 35 and the second output shaft 45, the other output shaft rotates 0.5 turns in the same direction and the rotation difference is Compensate for one round.

At this time, it is virtually impossible to accurately predict the rotational speed of the rotation support means 20 to be freely rotated, so that the reduced rotational speeds of the first output shaft 35 and the second output shaft 45 are also accurately predicted. Becomes difficult.

However, if the resistance applied to the first output shaft 35 and the second output shaft 45 from the outside, that is, the external load is largely applied to one output shaft, the rotation speed of the rotation support means 20 is the other output shaft. It automatically adjusts to have a speed to compensate for the reduced speed of the output shaft under heavy load.

As such, when the rotation of the first output shaft 35 and the second output shaft 45 are complementary to each other, the output shaft of the other output shaft releases a cause that may cause damage to the reducer itself by an overload applied to one output shaft. Have.

Therefore, when the present invention is used in a stirring device or the like, it is possible to properly adjust the configuration of a stirring blade or the like connected to the first output shaft 35 and the second output shaft 45 and subjected to an external load. The feature can be used effectively.

The operation of the present invention according to the first embodiment configured as described above will be described briefly based on the accompanying drawings.

First, when power is applied to a motor (not shown) and the shaft rotates, the input shaft 3 and the sun gear 5 coupled thereto of the present invention are rotated.

Thus, the planet gear of the first planet gear group 7 meshed with the sun gear 5 is rotated (rotated) by receiving the rotational force.

In addition, the planet gear of the second planet gear group 9 coupled to the upper surface of the planet gear of the first planet gear group 7 also rotates at the same speed.

As described above, the planet gears of the first planet gear group 7 and the second planet gear group 9 rotate, and are engaged with the planet gears of the first planet gear group 7 and the second planet gear group 9, respectively. The first output means 30 and the second output means 40 are rotated.

As a result, the first output shaft 35 and the second output shaft 45 included in the first output means 30 and the second output means 40 rotate, respectively, to decelerate the motor to the outside of the gear housing 1. The torque is output separately.

In this case, since the planet gears of the first planet gear group 7 and the second planet gear group 9 have different diameters, the first and second output means 30 and the second output means 40 engaged with the planet gears may have different diameters. The first output shaft 35 and the second output shaft 45 are rotated with a constant rotation speed difference between the predetermined rotation of the sun gear (5).

As a result, the first output shaft 35 and the second output shaft 45 of the first output means 30 and the second output means 40 have the effect of further deceleration, as well as the output of different speeds in the same direction. This has the effect of producing outputs in opposite directions to divide loads or loads.

Subsequently, the configuration of the present invention according to the second embodiment will be described below.

8 is an exploded perspective view of the present invention according to the second embodiment, and FIG. 9 is a reference view showing a cross section of the present invention according to the second embodiment.

As shown, according to the second embodiment of the present invention, the gear housing 51, the internal gear 53 fixed to the gear housing 51, the input shaft 55, and the sun gear 57 are provided. And the base planet gear group 59, the third planet gear group 61, the fourth planet gear group 63, the rotation support means 70, and the third planet gear group 61 and the third And third output means 80 and fourth output means 90 meshed with the four planet gear groups 63, respectively.

Here, since the gear housing 51, the input shaft 55, and the sun gear 57 are substantially the same as the configuration of the first embodiment, detailed description thereof will be omitted.

On the other hand, the base planet gear group 59 is composed of a plurality of planet gear meshing with the sun gear 57 and the internal gear 53 in the gear housing 51.

In this configuration, the planet gear of the base planet gear group 59 receives the rotational force from the sun gear 57 and rotates (rotates) the center of the gear housing 51. Revolves in a fixedly installed internal gear (53).

In addition, the third planet gear group 61 is coupled to the planet gear upper surface of the base planet gear group 59, respectively, and composed of a plurality of planet gears different in diameter from the planet gears of the base planet gear group 59. do.

In addition, the fourth planet gear group 63 is coupled to the upper surface of the planet gear of the third planet gear group 61, respectively, and the planet gears of the base planet gear group 59 and the third planet gear group 61; Is composed of a plurality of planet gears of different diameters.

As described above, when the planet gear diameters of the third planet gear group 61 and the fourth planet gear group 63 are configured to be different from the planet gear diameters of the base planet gear group 59, the third gear meshed with the third planet gear group 61 The output means 80 and the fourth output means 90 can rotate at different speeds.

Here, the planet gear of the third planet gear group 61 is larger in diameter than the planet gear of the base planet gear group 59, and the planet gear of the fourth planet gear group 63 is the base planet gear group ( It is preferable that the diameter is smaller than the planet gear of 59).

When configured in this way, the third output means 80 and the fourth output means 90 is rotated in different directions, which will be described in more detail later.

In addition, between the gear housing 51 and the third output means 80, between the third output means 80 and the fourth output means 90, the gear housing 51 and Between the input shaft 55, between the rotation support means 70 and the input shaft 55, between the gear housing 51 and the rotation support means 70, the base planet gear group 59, the third planet gear group ( 61) between the planet gears of the fourth planet gear group 63 and the rotation supporting means 70 and the upper end of the input shaft 55 and the lower portion of the second output means 40 in contact with the input shaft 55. It is preferable that an appropriate number of bearings be provided in between.

Here, between the gear housing 51 and the third output means 80, between the third output means 80 and the fourth output means 90, between the gear housing 51 and the input shaft 55, Between the rotation support means 70 and the input shaft 55, between the gear housing 51 and the rotation support means 70, the base planet gear group 59, the third planet gear group 61, the fourth planet gear The bearings are installed between the planet gears of the group 63 and the rotation support means 70 and between the upper end of the input shaft 55 and the lower portion of the second output means 40 in contact with the input shaft 55. As indicated by b7, b6, b8, b9, b10, b11 and b12, respectively.

10 is a reference view showing the rotation support means of the present invention according to the second embodiment.

As shown, the rotation support means 70 is composed of a lower support plate 71, a plurality of coupling pins 73, the upper support plate 75.

Here, the lower support plate 71 is rotatably fitted to the input shaft 55 in the lower portion of the sun gear 57.

In addition, the coupling pin 73 is installed vertically in the circumferential direction on the upper portion of the lower support plate 71, the base planet gear group 59, the third planet gear group 61 and the fourth planet gear group. (63) is fitted to the planet gear.

In addition, the upper support plate 75 is coupled to the upper ends of the plurality of coupling pins 73, thereby supporting the coupling pins 73 from above.

Thus, the rotation support means 70 is a planet gear of the base planet gear group 59, the third planet gear group 61 and the fourth planet gear group 63 rotates around the input shaft 55 at the same time It can be supported so that it can revolve.

In addition, the third output means 80 is engaged with the third planet gear group 61 to rotate while outputting at a third output speed, and the fourth output means 90 is the fourth planet gear group 63. ) Is rotated at the fourth output speed and output.

Hereinafter, the configuration of the third output means 80 and the fourth output means 90 will be described in more detail.

11 is a reference diagram showing the configuration of the third output means of the present invention according to the second embodiment.

As shown, the third output means 80 includes a third cylindrical member 81, a third disk member 83, and a third output shaft 85.

Here, the third cylindrical member 81 is formed on the inner circumferential surface is an internal gear meshing with the third planet gear group 61.

In addition, the third disk-shaped member 83 is coupled to the upper portion of the third cylindrical member 81.

In addition, the third output shaft 85 is provided above the third disc-shaped member 83, and is configured to penetrate the output side of the gear housing 51.

With this configuration, the third output means 80 receives the rotational force from the planet gears of the third planet gear group 61 and decelerates it, and finally outputs the reduced rotational force through the third output shaft 85. do.

12 is a reference diagram showing a configuration of a fourth output means of the present invention according to the second embodiment.

As shown, the fourth output means 90 of the present invention includes a fourth cylindrical member 91, a fourth disk member 93, and a fourth output shaft 95.

Here, the fourth cylindrical member 91 is located inside the third cylindrical member 81, the inner gear is formed on the inner peripheral surface is meshed with the fourth planet gear group 63.

In addition, the fourth disk-shaped member 93 is coupled to the upper portion of the fourth cylindrical member 91.

In addition, the fourth output shaft 95 is provided above the fourth disc-shaped member 93 and is configured to pass through the third output shaft 85.

With this configuration, the fourth output means 90 receives the rotational force from the planet gears of the fourth planet gear group 63 and decelerates it, and finally outputs the reduced rotational force through the fourth output shaft 95. do.

When describing the output speed of the third output shaft 85 and the fourth output shaft 95 according to the rotation of the sun gear 57 in the present invention configured as described above are as follows.

First, the rotation speed of the sun gear 57 when the planet gear of the base planet gear group 59 rotates about the sun gear 57, that is, one revolution, and the base planet gear group 59 If you find the number of times the planet gear rotates,

First, the rotation speed of the sun gear 57,

{1 + (Number of internal gear teeth of the gear housing (51) / sun gear (57))} number of teeth,

The number of times the planet gears of the base planet gear group 59 rotates,

(Number of internal gear teeth of the gear housing 51 / planet gear teeth of the base planet gear group 59).

Hereinafter, the rotation speed of the third output means 80 is obtained based on the value.

First, while the planet gear of the base planet gear group 59 rotates once, the rotation speed of the third output means 80 is the number of planet gear teeth of the base planet gear group 59 and the third planet gear group 61. As it corresponds to the number of teeth of the planet gear,

{Number of planet gear teeth of the base planet gear group 59-number of planet gear teeth of the third planet gear group 61) / Internal gear teeth of the third output means 80}.

Therefore, the rotation speed of the third output means 80 when the planet gear of the base planet gear group 59 is revolved about the sun gear 57 once,

[{Number of planet gear teeth of base planet gear group 59-number of planet gear teeth of third planet gear group 61)} / Number of internal gear teeth of third output means 80] × (Gear housing 51) Number of internal gear teeth / number of planet gear teeth of the base planet gear group 59).

In addition, the rotation speed, that is, the reduction ratio, of the sun gear 57 per one rotation of the third output means 80 is determined once by the planet gear of the base planet gear group 59 obtained above. The rotation speed of the sun gear 57 at the time of idle rotation is divided by the rotation speed of the third output means 80, and thus the rotation speed of the sun gear 57 per rotation of the third output means 80. Is,

{1 + (Number of internal gear teeth of gear housing (51) / number of sun gear (57) teeth)} / [{Planet gear teeth of base planet gear group (59)-Planet gear of third planet gear group (61) Number of teeth)} / number of internal gear teeth of the third output means 80] x {(number of internal gear teeth of the gear housing 51 / number of planet gear teeth of the base planet gear group 59)}.

On the other hand, the rotation speed of the sun gear 57 per one rotation of the fourth output means 90 is the third output means in the equation to obtain the rotation speed of the sun gear 57 per one rotation of the third output means (80) Replace the number of internal gear teeth of 80 and the number of planet gear teeth of the third planet gear group 61 with the number of internal gear teeth of the fourth output means 90 and the number of planet gear teeth of the fourth planet gear group 63, respectively. Therefore, the rotation speed of the sun gear 57 per one rotation of the fourth output means 90,

{1 + (Number of internal gear teeth of gear housing (51) / number of sun gear (57) teeth)} / {(Number of planet gear teeth of base planet gear group (59)-Number of planet gear teeth of fourth planet gear group (63) )} / Number of internal gear teeth of fourth output means 90] × {(number of internal gear teeth of gear housing 51 / number of planet gear teeth of base planet gear group 59)}.

Here, when the reduction ratio of the third output means 80 and the fourth output means 90 is negative, it means to rotate in the direction opposite to the rotation direction of the sun gear 57, the determining factor is 3 is the number of planet gear teeth (or diameter) of the third planet gear group 61 in relation to the rotation of the output means 80, and of the fourth planet gear group 63 in relation to the rotation of the fourth output means 90. Planet gear teeth (or diameter).

Therefore, if the diameter of the planet gears of the third planet gear group 61 and the fourth planet gear group 63 is properly configured with respect to the diameter of the planet gears of the base planet gear group 59, the forward direction is required. It is possible to obtain multiple outputs in which reverse rotation is combined.

For example, the diameter of the planet gear of the third planet gear group 61 is larger than the diameter of the planet gear of the base planet gear group 59, and the diameter of the planet gear of the fourth planet gear group 63 is When the diameter is smaller than the diameter of the planet gear of the base planet gear group 59, the third output means 80 and the fourth output means 90 are decelerated and rotated in the reverse direction and the forward direction, respectively. The output shaft 85 of 80 and the output shaft 95 of the fourth output means 90 output in different directions.

On the other hand, the present invention can be configured to output not only two output shafts but also more than one output shaft, the configuration for this is also much the same as compared to the second embodiment will be described only briefly below the characteristic parts .

In the present invention for having two or more output shafts as described above, in the configuration of the second embodiment, a plurality of planet gears having different diameters are further coupled in multiple stages on the planet gears of the fourth planet gear group 63.

In addition, a plurality of output means having an output shaft instead of the third output means 80 and the fourth output means 90 of the second embodiment are sequentially stacked and engaged with each other from the upper end to the lower end of the multi-stage planet gear group. The output shaft formed on the upper surface of each output means is penetrated by the output shaft of the output means located below.

With such a configuration, the present invention can divide the rotational force of the motor into two or more output shafts and output them separately.

The operation of the present invention according to the second embodiment configured as described above will be described in detail with reference to the accompanying drawings.

First, when power is applied to a motor (not shown) and the shaft rotates, the input shaft 55 and the sun gear 57 coupled thereto are rotated.

Thus, the planet gear of the base planet gear group 59 engaged with the sun gear 57 rotates while receiving rotational force, and is fixed to the gear housing 51 around the sun gear 57. Take a ride on 53.

In addition, both the planet gears of the third planet gear group 61 and the fourth planet gear group 63 coupled to the upper surface of the planet gear group 59 of the base planet gear group 59 rotate while rotating at the same speed.

As described above, the planet gears of the third planet gear group 61 and the fourth planet gear group 63 rotate (rotate) the planet gears of the third planet gear group 61 and the fourth planet gear group 63. The third output means 80 and the fourth output means 90 meshed with each other rotate.

As a result, the third output shaft 85 of the third output means 80 and the fourth output shaft 95 of the fourth output means 90 output the decelerated rotational force to the outside of the gear housing 51.

Here, the rotation direction and the rotational speed of the third output means 80 and the fourth output means 90 is the third planet gear group 61 and the third relative to the diameter of the planet gear of the base planet gear group 59 4 is determined according to the diameter of the planet gear of the planet gear group 63.

As described above, the reduction gear device for generating multiple outputs according to the present invention receives a rotational force from a single motor with a simple configuration and effectively decelerates it, as well as combined in a desired rotational direction during forward and reverse rotation. This has the effect of enabling different speeds of output.

In particular, the present invention has the effect that can be very useful in the stirring device due to the above effects.

Claims (6)

Gear housing; An input shaft having one end inserted into the gear housing and the other end connected to the motor shaft; A sun gear coupled to one end of the input shaft; A first planet gear group including a plurality of planet gears engaged with the sun gear in the gear housing; A second planet gear group each coupled to an upper surface of the planet gear of the first planet gear group and comprising a plurality of planet gears having a diameter different from that of the first planet gear group; Rotation support means for supporting the planet gears of the first planet gear group and the second planet gear group so as to be rotatable; First output means engaged with the first planet gear group and rotating at a first output speed; And a second output means engaged with the second planet gear group and rotating at a second output speed. The method of claim 1, wherein the rotation support means, A lower support plate rotatably fitted to the input shaft at a lower portion of the sun gear; A plurality of coupling pins installed vertically in a circumferential direction on an upper portion of the lower support plate and fitted to planet gears of the first planet gear group and the second planet gear group; Reduction gear device for generating multiple outputs, characterized in that it comprises an upper support plate for supporting the plurality of coupling pins from above. The method of claim 1, The first output means may include a first cylindrical member having an internal gear meshed with the first planet gear group on an inner circumferential surface thereof, a first disk member coupled to an upper portion of the first cylindrical member, and A first output shaft installed above the first disc-shaped member and penetrating the output side of the gear housing; The second output means may be coupled to a second cylindrical member located inside the first cylindrical member and having an internal gear formed therein at an inner circumferential surface thereof to be engaged with the second planet gear group, and to an upper portion of the second cylindrical member. And a second output shaft disposed above the second circular member and having a second output shaft penetrating the first output shaft. Gear housing; An internal gear fixed to the gear housing; An input shaft having one end inserted into the gear housing and the other end connected to the motor shaft; A sun gear coupled to one end of the input shaft; A base planet gear group including a plurality of planet gears engaged with the sun gear and the internal gear in the gear housing; A third planet gear group each coupled to an upper surface of the planet gear group of the base planet gear group and comprising a plurality of planet gears having a diameter different from that of the base planet gear group; A fourth planet gear group each coupled to an upper surface of the planet gear of the third planet gear group and comprising a plurality of planet gears different in diameter from the planet gears of the base planet gear and the third planet gear group; Rotation support means for supporting the planet gears of the base planet gear group, the third planet gear group and the fourth planet gear group so as to rotate and rotate about the input shaft; Third output means engaged with the third planet gear group and rotating at a third output speed; And a fourth output means engaged with the fourth planet gear group and rotating at a fourth output speed. The method of claim 4, wherein the rotation support means, A lower support plate rotatably fitted to the input shaft at a lower portion of the sun gear; A plurality of coupling pins installed vertically in a circumferential direction on an upper portion of the lower support plate and fitted to planet gears of the base planet gear group, the third planet gear group, and the fourth planet gear group; Reduction gear device for generating multiple outputs, characterized in that it comprises an upper support plate for supporting the plurality of coupling pins from above. The method of claim 4, wherein The third output means may include: a third cylindrical member having an internal gear meshed with the third planet gear group on an inner circumferential surface thereof, a third disk member coupled to an upper portion of the third cylindrical member, and A third output shaft installed above the third disc-shaped member and penetrating the output side of the gear housing; The fourth output means may be coupled to a fourth cylindrical member located inside the third cylindrical member and having an internal gear formed therein at an inner circumferential surface thereof to be engaged with the fourth planet gear group, and to an upper portion of the fourth cylindrical member. And a fourth output member arranged above the fourth circular member and a fourth output shaft passing through the third output shaft.