A coaxial multi-output reduction drive device

Abstract

The present invention discloses a coaxial multi-output reduction drive device, which comprises: a first output shaft; a second output shaft, which is coaxially arranged with the first output shaft; a first drive device, whose power output end is transmission-connected with the first output shaft; a second drive device, whose power output end is transmission-connected with the second output shaft; a controller, which is electrically connected with the first drive device and the second drive device; wherein the controller is electrically connected with a feedback device for obtaining rotation information of the first output shaft and the second output shaft; the present invention can realize coaxial output, and the output shafts do not interfere with each other, and the feedback device can feedback the rotation information of the output shafts, so as to realize precise transmission output.

Description

Technical Field

[0001] The present invention relates to the technical field of reduction drive devices, and in particular to a coaxial multi-output reduction drive device. Background Art

[0002] At present, the coaxial double-output planetary gear reducer is the most common on the market. The coaxial double-output planetary gear reducer uses a single drive method to drive the double output shafts to rotate. The double output shafts interfere with each other, which is subject to certain limitations in the application of precision transmission. Summary of the invention

[0003] The purpose of the present invention is to address the problem in the prior art that there is no coaxial dual-output device on the market that does not interfere with each other, and to propose a reduction drive device that can achieve coaxial multiple outputs without interfering with each other.

[0004] In order to achieve the above-mentioned objectives, the present invention provides a coaxial multi-output reduction drive device, which includes: a first output shaft; a second output shaft, which is coaxially arranged with the first output shaft; a first drive device, whose power output end is transmission-connected to the first output shaft; a second drive device, whose power output end is transmission-connected to the second output shaft; a controller, which is electrically connected to the first drive device and the second drive device; wherein the controller is electrically connected to a feedback device for obtaining rotation information of the first output shaft and the second output shaft.

[0005] As a preferred embodiment, the first drive device includes a first drive motor and a first transmission assembly, the power input end of the first transmission assembly is connected to the power output end of the first drive motor, and the power output end of the first transmission assembly is connected to the first output shaft; the second drive device includes a second drive motor and a second transmission assembly, the power input end of the second transmission assembly is connected to the power output end of the second drive motor, and the power output end of the second transmission assembly is connected to the second output shaft.

[0006] As a preferred embodiment, the first transmission assembly includes a first A gear, a first gear shaft, a first B gear and a first C gear; the first A gear is installed at the power output end of the first drive motor, one end of the first gear shaft is meshed with the first A gear, the other end of the first gear shaft is meshed with the first B gear, the first B gear is meshed with the first C gear, and the first output shaft is installed on the first C gear.

[0007] As a preferred embodiment, the second transmission assembly includes a second A gear, a second gear shaft, a second B gear and a second C gear; the second A gear is installed at the power output end of the second drive motor, one end of the second gear shaft is meshed with the second A gear, the other end of the second gear shaft is meshed with the second B gear, the second B gear is meshed with the second C gear, and the second output shaft is installed on the second C gear.

[0008] As a preferred solution, it further includes a support frame, and the first driving device, the second driving device, the first output shaft and the second output shaft are all installed on the support frame.

[0009] As a preferred solution, the first output shaft is a tubular shaft body with a hollow interior, and the second output shaft passes through the lumen of the first output shaft.

[0010] As a preferred embodiment, the support frame includes a first support plate, a second support plate and a third support plate arranged in parallel and spaced apart; one end of the first drive motor and the second drive motor close to their power output ends are fixedly mounted on the first support plate, and the power output ends of the first drive motor and the second drive motor pass through the first support plate and are respectively connected to the first A gear and the second A gear; the first gear shaft passes through the second support plate and is respectively meshed with the first A gear and the first B gear, the first B gear is meshed with the first C gear, one end of the first output shaft is mounted on the first C gear, and the other end of the first output shaft passes through the third support plate; the second gear shaft, the second B gear and the second C gear are all arranged in the space enclosed between the first support plate and the second support plate, one end of the second output shaft is mounted on the second C gear, and the other end of the second output shaft passes through the second support plate and the tubular cavity of the first output shaft; a plurality of support rods for supporting adjacent support plates are arranged between the first support plate and the second support plate and between the second support plate and the third support plate.

[0011] As a preferred solution, the feedback device includes a first feedback component for obtaining the rotation information of the first output shaft and a second feedback component for obtaining the rotation information of the second output shaft.

[0012] As a preferred embodiment, the first feedback component includes a first induction magnet and a first sensor that cooperate with each other for induction, the first induction magnet is installed on the first output shaft, the first induction magnet rotates along with the first output shaft, the first sensor is installed on the support frame, the first sensor is electrically connected to the controller, and the first sensor can obtain the signal generated when the first induction magnet passes through the first sensor, and feed it back to the controller.

[0013] As a preferred embodiment, the second feedback component includes a second induction magnet and a second sensor that cooperate with each other for induction, the second induction magnet is installed on the second output shaft, the second induction magnet rotates along with the second output shaft, the second sensor is installed on the support frame, the second sensor is electrically connected to the controller, and the second sensor can obtain the signal generated by the second induction magnet when passing through the second sensor, and feed it back to the controller.

[0014] The embodiment of the present invention provides a coaxial multi-output reduction drive device, which has the following beneficial effects compared with the prior art:

[0015] The first output shaft is driven by the first driving device, and the second output shaft is driven by the second driving device. The first output shaft and the second output shaft are coaxially arranged, and rotate independently without interfering with each other. The feedback device feeds back the rotation information of the first output shaft and the second output shaft to the controller, and the controller can control the output status of the corresponding driving device according to the feedback information, and then drive the corresponding output shaft to rotate. The present invention can realize coaxial output, and the output shafts do not interfere with each other, and the power output status of the driving device can be controlled according to the rotation information of the output shaft to realize precise transmission output. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a coaxial multi-output reduction drive device according to an embodiment of the present invention;

[0017] Figure 2 is an exploded view of a coaxial multi-output reduction drive device according to an embodiment of the present invention;

[0018] In the figure, 1, support frame; 11, first support plate; 12, second support plate; 13, third support plate; 14, support rod; 2, first drive motor; 3, second drive motor; 4, first transmission assembly; 41, first A gear; 42, first gear shaft; 43, first B gear; 44, first C gear; 5, second transmission assembly; 51, second A gear; 52, second gear shaft; 53, second B gear; 54, second C gear; 6, first output shaft; 7, second output shaft; 8, first feedback assembly; 81, first induction magnet; 82, first inductor; 9, second feedback assembly; 91, second induction magnet; 92, second inductor. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] In the description of the present invention, it should be understood that the present invention uses the terms "first", "second", etc. to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0021] like Figure 1-Figure 2 As shown, a preferred embodiment of the embodiment of the present invention provides a coaxial multi-output reduction drive device, which includes: a first output shaft 6; a second output shaft 7, which is coaxially arranged with the first output shaft 6; a first drive device, whose power output end is transmission-connected to the first output shaft 6; a second drive device, whose power output end is transmission-connected to the second output shaft 7; a controller (not shown in the drawings), which is electrically connected to the first drive device and the second drive device; wherein the controller is electrically connected to a feedback device for obtaining rotation information of the first output shaft 6 and the second output shaft 7.

[0022] Based on the above technical solution, the first output shaft 6 is driven by the first drive device, and the second output shaft 7 is driven by the second drive device. The first output shaft 6 and the second output shaft 7 are coaxially arranged, and rotate independently without interfering with each other; the feedback device feeds back the rotation information of the first output shaft 6 and the second output shaft 7 to the controller, and the controller can control the output condition of the corresponding drive device according to the feedback information, and then drive the corresponding output shaft to rotate; the present invention can achieve coaxial output, and the output shafts do not interfere with each other, and the power output condition of the drive device can be controlled according to the rotation information of the output shaft to achieve precise transmission output.

[0023] In this embodiment, the rotation information of the output shaft is the number of revolutions or the rotation speed of the output shaft within a preset time.

[0024] Specifically, the first drive device includes a first drive motor 2 and a first transmission assembly 4, the power input end of the first transmission assembly 4 is connected to the power output end of the first drive motor 2, and the power output end of the first transmission assembly 4 is connected to the first output shaft 6; the second drive device includes a second drive motor 3 and a second transmission assembly 5, the power input end of the second transmission assembly 5 is connected to the power output end of the second drive motor 3, and the power output end of the second transmission assembly 5 is connected to the second output shaft 7.

[0025] Further, the first transmission assembly 4 includes a first A gear 41, a first gear shaft 42, a first B gear 43 and a first C gear 44; the first A gear 41 is installed at the power output end of the first drive motor 2, one end of the first gear shaft 42 is meshed with the first A gear 41, the other end of the first gear shaft 42 is meshed with the first B gear 43, the first B gear 43 is meshed with the first C gear 44, and the first output shaft 6 is installed on the first C gear 44. The first drive motor 2 drives the first A gear 41 to rotate, which in turn drives the first gear shaft 42, the first B gear 43 and the first C gear 44 to rotate, and then drives the first output shaft 6 to rotate; similarly, the second transmission assembly 5 It includes a second A gear 51, a second gear shaft 52, a second B gear 53 and a second C gear 54; the second A gear 51 is installed at the power output end of the second drive motor 3, one end of the second gear shaft 52 is meshed with the second A gear 51, the other end of the second gear shaft 52 is meshed with the second B gear 53, the second B gear 53 is meshed with the second C gear 54, and the second output shaft 7 is installed on the second C gear 54. The second drive motor 3 drives the second A gear 51 to rotate, and successively drives the second gear shaft 52, the second B gear 53, and the second C gear 54 to rotate, and then drives the second output shaft 7 to rotate; the gear transmission structure of this embodiment is compact, the friction is small, and the transmission effect is good.

[0026] The present embodiment also includes a support frame 1, and the first drive device, the second drive device, the first output shaft 6 and the second output shaft 7 are all installed on the support frame 1; the first output shaft 6 is a tubular shaft body with a hollow interior, and the second output shaft 7 passes through the tubular cavity of the first output shaft 6. Specifically, the support frame 1 includes a first support plate 11, a second support plate 12 and a third support plate 13 arranged in parallel and spaced apart; the first drive motor 2 and the second drive motor 3 are fixedly installed on the first support plate 11 at one end close to their power output ends, and the power output ends of the first drive motor 2 and the second drive motor 3 pass through the first support plate 11 and are respectively connected to the first A gear 41 and the second A gear 51; the first gear shaft 42 passes through the second support plate 12 and is respectively meshed with the first A gear 41 and the first B gear 43, and the first B gear 43 is meshed with the first C gear 44, one end of the first output shaft 6 is installed on the first C gear 44, and the other end of the first output shaft 6 passes through the third support plate 13; and the second gear shaft 52, the second B gear 53 and the second C gear 54 are all arranged on the first support plate 11. In the space enclosed by the plate 11 and the second support plate 12, one end of the second output shaft 7 is installed on the second C gear 54, and the other end of the second output shaft 7 passes through the second support plate 12 and passes through the tubular cavity of the first output shaft 6. In this embodiment, it is preferably arranged that the second output shaft 7 passes through the tubular cavity inside the first output shaft 6, which can achieve co-directional and coaxial output, saves space structure to a great extent, and can be applied to the transmission of precision structures such as clocks, and the first output shaft 6 is rotatably connected to the third support plate 13 through a bearing, and the second output shaft 6 is rotatably connected to the second support plate 12 through a bearing, and the first output shaft 6 and the second output shaft 7 do not interfere with each other; a plurality of support rods 14 for supporting adjacent support plates are arranged between the first support plate 11 and the second support plate 12 and between the second support plate 12 and the third support plate 13.

[0027] In this embodiment, the feedback device includes a first feedback component 8 for obtaining the rotation information of the first output shaft 6 and a second feedback component 9 for obtaining the rotation information of the second output shaft 7 .

[0028] The first feedback component 8 includes a first induction magnet 81 and a first sensor 82 that cooperate with each other for induction. The first induction magnet 81 is installed on the first output shaft 6, and the first induction magnet 81 rotates with the first output shaft 6. The first sensor 82 is installed on the support frame 1, and the first sensor 82 is electrically connected to the controller. When the first induction magnet 81 rotates, the first sensor 82 can obtain the signal generated when the first induction magnet 81 passes through the first sensor 82, and feed it back to the controller. For example, the first sensor 82 obtains the information of two adjacent passages of the first induction magnet 81, and feeds it back to the controller as the information of one rotation of the first output shaft 6. The controller can control the operating condition of the first drive motor 2 to control the number of rotations and the rotation rate of the first output shaft 6 within a preset time; specifically, the first sensor 82 is arranged on the third support plate 13.

[0029] Similarly, the second feedback component 9 includes a second induction magnet 91 and a second sensor 92 that cooperate with each other for induction. The second induction magnet 91 is installed on the second output shaft 7, and the second induction magnet 91 rotates with the second output shaft 7. The second sensor 92 is installed on the support frame 1, and the second sensor 92 is electrically connected to the controller. When the second induction magnet 91 rotates, the second sensor 92 can obtain the signal generated when the second induction magnet 91 passes through the second sensor 92, and feed it back to the controller. For example, the second sensor 92 obtains the information of the second induction magnet 91 passing through two adjacent times, and feeds it back to the controller as the information of the second output shaft 7 rotating one circle. The controller can control the operation of the second drive motor 3 to control the number of circles and the rotation rate of the second output shaft 7 within a preset time; the second sensor 92 is arranged on the first support plate 11. In this embodiment, the first sensor 82 and the second sensor 92 are both selected as Hall elements, and the first induction magnet 81 and the second induction magnet 91 are also electrically connected to the controller.

[0030] The working process of the present invention is:

[0031] The first drive motor 2 drives the first A gear 41 to rotate, and successively drives the first gear shaft 42, the first B gear 43 and the first C gear 44 to rotate, so as to drive the first output shaft 6 to rotate. The first feedback component 8 feeds back the information of the rotation of the first output shaft 6 to the controller, and the controller controls the operation of the first drive motor 2 to control the number of revolutions and the rotation rate of the first output shaft 6 within a preset time; the second drive motor 3 drives the second A gear 51 to rotate, and successively drives the second gear shaft 52, the second B gear 53 and the second C gear 54 to rotate, so as to drive the second output shaft 7 to rotate. The second feedback component 9 feeds back the information of the rotation of the second output shaft 7 to the controller, and the controller controls the operation of the second drive motor 3 to control the number of revolutions and the rotation rate of the second output shaft 7 within a preset time; and the second output shaft 7 is arranged inside the first output shaft 6, and the first output shaft 6 and the second output shaft 7 can rotate simultaneously without interfering with each other.

[0032] In summary, the embodiment of the present invention provides a coaxial multi-output reduction drive device, which has the following beneficial effects:

[0033] The first output shaft is driven by the first driving device, and the second output shaft is driven by the second driving device. The first output shaft and the second output shaft are coaxially arranged, and rotate independently without interfering with each other. The feedback device feeds back the rotation information of the first output shaft and the second output shaft to the controller, and the controller can control the output status of the corresponding driving device according to the feedback information, and then drive the corresponding output shaft to rotate. The present invention can realize coaxial output, and the output shafts do not interfere with each other, and the power output status of the driving device can be controlled according to the rotation information of the output shaft to realize precise transmission output.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A coaxial multi-output reduction drive device, characterized in that: include: a first output shaft; a second output shaft, which is coaxially arranged with the first output shaft; A first driving device, whose power output end is drivingly connected to the first output shaft; A second driving device, whose power output end is drivingly connected to the second output shaft; a controller electrically connected to the first driving device and the second driving device; Wherein, the controller is electrically connected to a feedback device for obtaining rotation information of the first output shaft and the second output shaft; The first driving device comprises a first driving motor and a first transmission assembly, the power input end of the first transmission assembly is connected to the power output end of the first driving motor, and the power output end of the first transmission assembly is connected to the first output shaft; The second driving device comprises a second driving motor and a second transmission assembly, the power input end of the second transmission assembly is connected to the power output end of the second driving motor, and the power output end of the second transmission assembly is connected to the second output shaft; The first transmission assembly includes a first A gear, a first gear shaft, a first B gear and a first C gear; The first A gear is installed at the power output end of the first driving motor, one end of the first gear shaft is meshed with the first A gear, the other end of the first gear shaft is meshed with the first B gear, the first B gear is meshed with the first C gear, and the first output shaft is installed on the first C gear; The second transmission assembly includes a second A gear, a second gear shaft, a second B gear and a second C gear; The second A gear is installed at the power output end of the second driving motor, one end of the second gear shaft is meshed with the second A gear, the other end of the second gear shaft is meshed with the second B gear, the second B gear is meshed with the second C gear, and the second output shaft is installed on the second C gear; The first output shaft is a tubular shaft body with a hollow interior, and the second output shaft passes through the lumen of the first output shaft.

2. The coaxial multi-output reduction drive device according to claim 1, characterized in that: It also includes a support frame, and the first driving device, the second driving device, the first output shaft and the second output shaft are all installed on the support frame.

3. The coaxial multi-output reduction drive device according to claim 2, characterized in that: The support frame includes a first support plate, a second support plate and a third support plate arranged in parallel and spaced apart; one end of the first drive motor and the second drive motor close to their power output ends are fixedly mounted on the first support plate, and the power output ends of the first drive motor and the second drive motor pass through the first support plate and are respectively connected to the first A gear and the second A gear; The first gear shaft passes through the second support plate and meshes with the first A gear and the first B gear respectively, the first B gear meshes with the first C gear, one end of the first output shaft is mounted on the first C gear, and the other end of the first output shaft passes through the third support plate; The second gear shaft, the second B gear and the second C gear are all arranged in a space enclosed between the first support plate and the second support plate, one end of the second output shaft is mounted on the second C gear, and the other end of the second output shaft passes through the second support plate and the lumen of the first output shaft; A plurality of support rods for supporting adjacent support plates are arranged between the first support plate and the second support plate, and between the second support plate and the third support plate.

4. The coaxial multi-output reduction drive device according to claim 2, characterized in that: The feedback device includes a first feedback component for obtaining the first output shaft rotation information and a second feedback component for obtaining the second output shaft rotation information.

5. The coaxial multi-output reduction drive device according to claim 4, characterized in that: The first feedback component includes a first induction magnet and a first sensor that cooperate with each other for induction. The first induction magnet is installed on the first output shaft, and the first induction magnet rotates along with the first output shaft. The first sensor is installed on the support frame. The first sensor is electrically connected to the controller. The first sensor can obtain the signal generated when the first induction magnet passes through the first sensor and feed it back to the controller.

6. The coaxial multi-output reduction drive device according to claim 4, characterized in that: The second feedback component includes a second induction magnet and a second sensor that cooperate with each other for induction. The second induction magnet is installed on the second output shaft, and the second induction magnet rotates along with the second output shaft. The second sensor is installed on the support frame, and the second sensor is electrically connected to the controller. The second sensor can obtain the signal generated by the second induction magnet when passing through the second sensor, and feed it back to the controller.

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