CN116697004A - A reducer for AGV trolley - Google Patents

Abstract

The invention discloses a speed reducer for an AGV trolley. The planetary gear transmission device comprises a coupling, a first-stage sun gear, a first-stage planet gear, a first-stage annular gear, a first-stage planet carrier, a second-stage sun gear, a second-stage planet gear, a second-stage annular gear and a second-stage planet carrier, wherein the first-stage sun gear is sleeved on the output end of the coupling, the first-stage inner gear is sleeved on the outer side of the first-stage sun gear, the first-stage planet gear is meshed with the first-stage sun gear and the first-stage annular gear respectively, the second-stage sun gear is sleeved on the outer side of the first-stage sun gear, the second-stage planet carrier is sleeved on the outer side of the second-stage sun gear, the first-stage planet gear is rotatably connected with the first-stage planet carrier, the second-stage inner gear is sleeved on the outer side of the first-stage planet carrier, the second-stage inner gear is rotatably connected with the second-stage planet carrier through a bearing, the second-stage planet gear is meshed with the second-stage annular gear respectively, and the second-stage planet carrier is rotatably connected with the second-stage planet carrier. The invention has compact structure, small occupied space and low noise.

Description

A reducer for AGV trolley

technical field

The invention relates to the technical field of reducers, in particular to a reducer for an AGV trolley.

Background technique

With the development of modern logistics and handling industry, the requirements for material handling tools are getting higher and higher, so the AGV trolley came into being. The bottom of the AGV trolley is equipped with a reducer connected to the driving wheel. The traditional reducer is reduced by two stages. The output from the secondary planet carrier to the driving wheel of the AGV trolley is longer overall, takes up a lot of space, and is noisy.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides a speed reducer for an AGV trolley, which has a compact structure, takes up little space, and has low noise.

In order to solve the above problems, the present invention adopts the following technical solutions to achieve:

A reducer for an AGV trolley according to the present invention includes a shaft coupling, a primary sun gear, a primary planetary gear, a primary internal ring gear, a primary planet carrier, a secondary sun gear, a secondary planetary gear, and a secondary planetary gear. The first-stage inner ring gear and the second-stage planetary carrier, the input end of the coupling is used to connect the motor shaft, the first-stage sun gear is sleeved on the output end of the coupling, and the first-stage inner ring gear is sleeved on the first-stage Outside the sun gear, the first-stage planetary gear is located between the first-stage sun gear and the first-stage ring gear, the first-stage planetary gear meshes with the first-stage sun gear and the first-stage ring gear respectively, and the second-stage sun gear Sleeved on the outer side of the first-stage sun gear and coaxial with the first-stage sun gear, the outer side of the second-stage sun gear is provided with a first-stage planetary carrier, the first-stage planetary carrier is coaxially connected with the second-stage sun gear, and the first-stage The planetary gear is rotatably connected with the first-stage planetary carrier, the second-stage planetary carrier is sleeved on the outside of the first-stage planetary carrier, the first-stage planetary carrier is rotatably connected with the second-stage planetary carrier through bearings, and the second-stage inner ring gear is sleeved on the The secondary planet carrier is outside and coaxial with the primary sun gear. The secondary ring gear is rotatably connected to the secondary planet carrier through bearings. The secondary planetary gear is located between the secondary sun gear and the secondary ring gear. , the secondary planetary gear meshes with the secondary sun gear and the secondary ring gear respectively, and the secondary planetary gear is rotatably connected with the secondary planetary carrier.

In this scheme, when the reducer is installed at the bottom of the AGV trolley, the motor shaft of the drive motor of the AGV trolley is connected to the input end of the coupling, and the driving wheel of the AGV trolley is connected to the secondary internal ring gear. Nested with each other, the structure is compact, the horizontal length of the reducer is greatly reduced, the space occupied is small, and the noise is low.

Preferably, the secondary internal ring gear includes an annular ring body and an annular internal tooth portion disposed on the inner wall of the annular ring, the secondary planetary gear is located inside the annular internal tooth portion and meshes with the annular internal tooth portion, the The annular ring body is sleeved on the outer side of the secondary planetary carrier and is rotatably connected with the secondary planetary carrier through bearings, and the annular ring body is provided with a connecting piece for connecting the wheels.

During installation, the driving wheel sleeve of the AGV trolley is set on the outside of the ring body, and is fixedly connected with the connecting piece by bolts.

As a preference, the reducer for AGV trolley also includes a mounting cover and an outer baffle, the mounting cover is located on the front side of the secondary planet carrier and is fixedly connected with the secondary planet carrier, and the primary ring gear It is located at the rear side of the secondary planetary carrier and is fixedly connected with the secondary planetary carrier. The outer baffle is located at the rear side of the primary ring gear and is fixedly connected with the primary ring gear. The coupling is located inside the mounting cover. The coupling is rotatably connected to the installation cover through a bearing, and the primary sun gear is rotatably connected to the outer baffle through a bearing.

Preferably, the coupling includes a first connecting portion for connecting the motor shaft, a second connecting portion for connecting the first-stage sun gear, and the second-stage sun gear is sleeved outside the second connecting portion, the Both the secondary sun gear and the primary planet carrier are located between the primary planetary gear and the second connecting portion.

Preferably, the secondary planetary gear is located between the secondary planetary carrier and the mounting cover.

Preferably, the annular ring body is rotatably connected with the mounting cover through a bearing.

Preferably, the mounting cover has a plurality of mounting holes.

Preferably, the connecting piece includes a connecting ring sheathed on the outside of the annular ring body, and the connecting ring is provided with a connecting hole.

The invention has the advantages of compact structure, small occupied space and low noise.

Description of drawings

Fig. 1 is the structural representation of embodiment;

Fig. 2 is a sectional view of the embodiment.

In the figure: 1. coupling, 2. primary sun gear, 3. primary planetary gear, 4. primary ring gear, 5. primary planet carrier, 6. secondary sun gear, 7. secondary planet Wheel, 8. Secondary inner ring gear, 9. Secondary planetary carrier, 10. Annular ring body, 11. Annular inner gear part, 12. Connecting piece, 13. Mounting cover, 14. Outer baffle plate, 15. First Connecting part, 16, second connecting part, 17, mounting hole, 18, connecting ring, 19, connecting hole.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: A reducer for an AGV trolley in this embodiment, as shown in Figure 1 and Figure 2, includes a coupling 1, a primary sun gear 2, a primary planetary gear 3, and a primary internal ring gear 4 , primary planetary carrier 5, secondary sun gear 6, secondary planetary gear 7, secondary ring gear 8, secondary planetary carrier 9, mounting cover 13 and outer baffle 14, mounting cover 13 is located on secondary planetary carrier 9 The front side is fixedly connected with the secondary planet carrier 9, the primary ring gear 4 is located at the rear side of the secondary planet carrier 9 and is fixedly connected with the secondary planet carrier 9, the outer baffle plate 14 is located at the rear side of the primary ring gear 4 and It is fixedly connected with the first-stage internal ring gear 4, and the coupling 1 is located inside the through hole of the mounting cover 13. The coupling 1 is connected to the mounting cover 13 through bearings, and the input end of the coupling 1 is used to connect the motor shaft. The sun gear 2 is set on the output end of the coupling 1, the first-stage sun gear 2 is rotationally connected with the outer baffle plate 14 through bearings, the first-stage inner ring gear 4 is set on the outer side of the first-stage sun gear 2, and the first-stage planetary gear 3 Located between the primary sun gear 2 and the primary ring gear 4, the primary planetary gear 3 meshes with the primary sun gear 2 and the primary internal ring gear 4 respectively, and the secondary sun gear 6 is set on the primary sun gear 2 The outer side is coaxial with the first-stage sun gear 2, the outer side of the second-stage sun gear 6 is provided with a first-stage planetary carrier 5, the first-stage planetary carrier 5 is coaxially connected with the second-stage sun gear 6, and the first-stage planetary wheel 3 is connected to the first-stage planetary wheel through rollers. The first-stage planetary carrier 5 is rotationally connected, the second-stage planetary carrier 9 is set on the outer side of the first-stage planetary carrier 5, the first-stage planetary carrier 5 is rotationally connected with the second-stage planetary carrier 9 through bearings, and the second-stage inner ring gear 8 is set on the second-stage planetary The outer side of the frame 9 is coaxial with the primary sun gear 2, the secondary internal ring gear 8 is rotationally connected with the secondary planet carrier 9 through bearings, and the secondary planetary gear 7 is located between the secondary sun gear 6 and the secondary internal ring gear 8 , the secondary planetary gear 7 meshes with the secondary sun gear 6 and the secondary ring gear 8 respectively, and the secondary planetary gear 7 is rotationally connected with the secondary planet carrier 9 through rollers.

The secondary internal ring gear 8 includes an annular ring body 10 and an annular internal tooth portion 11 arranged on the inner wall of the annular ring body 10. The secondary planetary gear 7 is located inside the annular internal tooth portion 11 and meshes with the annular internal tooth portion 11. The annular ring The body 10 is sleeved on the outer side of the secondary planet carrier 9 and is rotatably connected with the secondary planet carrier 9 through bearings. The annular ring body 10 is provided with a connecting piece 12 for connecting the wheel. The connecting piece 12 includes a The connecting ring 18 is provided with a connecting hole 19 on the connecting ring 18 .

The coupling 1 includes a first connecting portion 15 for connecting the motor shaft, a second connecting portion 16 for connecting the first-stage sun gear 2, the second-stage sun gear 6 is sleeved outside the second connecting portion 16, and the second-stage sun gear Both the wheel 6 and the primary planetary carrier 5 are located between the primary planetary wheel 3 and the second connecting part 16, the secondary planetary wheel 7 is located between the secondary planetary carrier 9 and the installation cover 13, and the annular ring body 10 is installed through the bearing and The cover 13 is rotatably connected to install a plurality of mounting holes 17 on the cover 13 .

In this scheme, when the reducer is installed at the bottom of the AGV trolley, the motor shaft of the drive motor of the AGV trolley is connected to the input end of the coupling, and the driving wheel of the AGV trolley is set on the outside of the annular ring body, and is fixedly connected to the connector by bolts , The various structures of the reducer are nested with each other, and the structure is compact, which greatly reduces the horizontal length of the reducer, occupies a small space, and has low noise.

Claims (8)

1. The utility model provides a speed reducer for AGV dolly, its characterized in that includes shaft coupling (1), one-level sun gear (2), one-level planet wheel (3), one-level ring gear (4), one-level planet carrier (5), second grade sun gear (6), second grade planet wheel (7), second grade ring gear (8), second grade planet carrier (9), shaft coupling (1) input is used for connecting the motor shaft, one-level sun gear (2) cover is established on shaft coupling (1) output, one-level ring gear (4) cover is established in one-level sun gear (2) outside, one-level planet wheel (3) are located between one-level sun gear (2) and one-level ring gear (4), one-level planet wheel (3) are respectively with one-level sun gear (2), one-level ring gear (4) meshing, second grade sun gear (6) cover is established in one-level sun gear (2) outside and with one-level sun gear (2) coaxial, second grade sun gear (6) outside cover is equipped with one-level planet carrier (5), one-level planet carrier (5) and second grade sun gear (6) coaxial coupling, one-level planet carrier (5) are established with one-level planet carrier (5) and one-level planet carrier (5) rotation, the secondary planet gear (7) is located between the secondary sun gear (6) and the secondary planet gear (8), the secondary planet gear (7) is meshed with the secondary sun gear (6) and the secondary planet gear (8) respectively, and the secondary planet gear (7) is connected with the secondary planet carrier (9) in a rotating mode.

2. The speed reducer for AGV according to claim l, wherein the secondary ring gear (8) comprises an annular ring body (10) and an annular inner tooth part (11) arranged on the inner wall of the annular ring body (10), the secondary planet wheel (7) is positioned on the inner side of the annular inner tooth part (11) and meshed with the annular inner tooth part (11), the annular ring body (10) is sleeved on the outer side of the secondary planet carrier (9) and is rotationally connected with the secondary planet carrier (9) through a bearing, and a connecting piece (12) for connecting wheels is arranged on the annular ring body (10).

3. The speed reducer for AGV (automatic guided vehicle) according to claim 2, further comprising a mounting cover (13) and an outer baffle (14), wherein the mounting cover (13) is positioned at the front side of the secondary planet carrier (9) and is fixedly connected with the secondary planet carrier (9), the primary annular gear (4) is positioned at the rear side of the secondary planet carrier (9) and is fixedly connected with the secondary planet carrier (9), the outer baffle (14) is positioned at the rear side of the primary annular gear (4) and is fixedly connected with the primary annular gear (4), the coupler (1) is positioned at the inner side of the mounting cover (13), the coupler (1) is rotationally connected with the mounting cover (13) through a bearing, and the primary sun gear (2) is rotationally connected with the outer baffle (14) through a bearing.

4. A speed reducer for an AGV trolley according to claim 3, wherein the coupling (1) comprises a first connecting portion (15) for connecting a motor shaft, a second connecting portion (16) for connecting a primary sun gear (2), the secondary sun gear (6) is sleeved outside the second connecting portion (16), and the secondary sun gear (6) and the primary planet carrier (5) are both located between the primary planet gear (3) and the second connecting portion (16).

5. A reducer for an AGV trolley according to claim 4, characterized in that the secondary planet (7) is located between the secondary planet carrier (9) and the mounting cover (13).

6. A reducer for an AGV trolley according to claim 4, characterized in that the annular ring (10) is rotatably connected to the mounting cover (13) by means of bearings.

7. A speed reducer for an AGV trolley according to claim 3, characterized in that the mounting cover (13) has a plurality of mounting holes (17).

8. The speed reducer for an AGV according to claim 2 wherein the connecting member comprises a connecting ring which is sleeved outside the annular ring body, and the connecting ring is provided with a connecting hole.