CN211693389U

CN211693389U - Special planetary reducer for AGV (automatic guided vehicle)

Info

Publication number: CN211693389U
Application number: CN201922361495.1U
Authority: CN
Inventors: 彭新飞; 彭彪
Original assignee: Dongguan Pulet Transmission Equipment Co ltd
Current assignee: Dongguan Pulet Transmission Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a special planetary reducer of AGV dolly, including the motor connecting plate, the input shaft, the planet carrier, support bearing and screw, be equipped with the input bearing in the middle of the motor connecting plate, the motor connecting plate is connected with fixed axle left side, the input bearing is connected with the input shaft interference, input shaft one end and input sun gear fixed connection, input sun gear meshes with input planet wheel mutually, input planet wheel meshes with fixed ring gear, fixed ring gear is fixed and is covered after the input, input planet wheel fixes on the planet carrier, the planet carrier other end is equipped with middle sun gear, the planet carrier is connected with the intermediate bearing interference, the intermediate bearing outer lane is connected with the fixed axle right side, middle planet wheel meshes with rotatory ring gear. The utility model directly manufactures the wheel hub of the trolley into the speed reducer, and realizes the rotation of the outer ring of the speed reducer by utilizing the walking mechanism, thereby meeting the rotation requirement of the wheel hub; under the same torque requirement, the utility model has the advantages of short axial dimension, high operation efficiency, large radial bearing capacity and more stable operation.

Description

Special planetary reducer for AGV (automatic guided vehicle)

Technical Field

The utility model relates to a speed reducer technical field, more specifically the special planetary reducer of AGV dolly that says so relates to.

Background

With the development of science and technology, intelligent logistics is a trend. The AGV trolley is an indispensable main force army in the industry, the existing AGV trolley mainly comprises a motor, a planetary reducer, a hub or a motor, a common reducer and a hub, the two matching modes are long in axial size, the installation space is limited, only small models or corner reducers can be selected, and the model selection is difficult. And the speed reducer has low efficiency and is easy to damage. Therefore, it is an urgent problem to provide a speed reducer capable of solving the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a special planetary reducer for AGV trolley, which directly manufactures the wheel hub of the trolley into a reducer, and realizes the rotation of the outer ring of the reducer by using a traveling mechanism, thereby meeting the rotation requirement of the wheel hub; under the same torque requirement, the speed reducer has the advantages of short axial dimension, high running efficiency, large radial bearing capacity and more stable running.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special planetary reducer of AGV dolly, includes motor connecting plate, input shaft, planet carrier, support bearing and screw, be equipped with the input bearing in the middle of the motor connecting plate, the motor connecting plate is connected with the fixed axle left side, the input bearing is connected with the input shaft interference, input shaft one end and input sun gear fixed connection, input sun gear meshes with input planet wheel mutually, input planet wheel meshes with fixed ring gear, fixed ring gear is fixed and is covered after the input, input planet wheel fixes on the planet carrier, the planet carrier other end is equipped with middle sun gear, the planet carrier is connected with the intermediate bearing interference, the intermediate bearing outer lane is connected with the fixed axle right side, middle sun gear meshes with middle planet wheel, middle planet wheel meshes with rotatory ring gear.

Preferably, in the above planetary reducer special for the AGV, the left fixed shaft is connected with the right middle pin of the fixed shaft.

Preferably, in the above planetary reducer dedicated for AGV carts, a support bearing is disposed in the middle of the inner rotating ring gear.

Preferably, in the above planetary reducer for AGV carts, the intermediate planetary gear is provided with a needle bearing.

Preferably, in the above planetary reducer dedicated for AGV carts, the rotating ring gear is wrapped by a hub.

According to the technical scheme, compared with the prior art, the special planetary reducer for the AGV trolley comprises a motor connecting plate, an input shaft, a planet carrier, a supporting bearing and a screw, wherein the input bearing is arranged in the middle of the motor connecting plate, the motor connecting plate is connected with a left side of a fixed shaft, the fixed shaft is connected with an input inner gear ring and a right side of a rear cover, and the four parts are fixed relatively; the input bearing is in transition connection with the input shaft, one end of the input shaft is fixedly connected with the input sun gear, the input sun gear is meshed with the input planet gear, and the planet gear is meshed with the fixed input inner gear ring to realize the first-stage planet deceleration; the first-stage planet is decelerated through a middle sun gear on a planet carrier to start transmitting the second-stage deceleration, the middle sun gear and the first-stage planet carrier are in spline interference fit to realize relative fixation, a bearing is arranged between the first-stage planet carrier and an output planet carrier, an output planet carrier is fixed on the outer ring of the middle bearing, the first-stage planet carrier is fixed on the inner ring, the middle sun gear enters through the right end of the output planet carrier and is meshed with an output planet gear, a pin shaft is arranged in the planet gear and is fixed on a fixed shaft (the output planet carrier), and the output planet gear. The output rotating inner gear ring and the fixed shaft (output planet carrier) realize supporting stress through a bearing. The utility model directly manufactures the wheel hub of the trolley into the speed reducer, and realizes the rotation of the outer ring of the speed reducer by utilizing the walking mechanism, thereby meeting the rotation requirement of the wheel hub; under the same torque requirement, the utility model has the advantages of short axial dimension, high operation efficiency, large radial bearing capacity and more stable operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic sectional structure diagram of the present invention.

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

In the figure: 1. a motor connecting plate; 2. the left side of the fixed shaft; 3. the right side of the fixed shaft; 4. an input shaft; 5. inputting a sun gear; 6. an input planet wheel; 7. a needle bearing; 8. a pin shaft; 9. fixing the inner gear ring; 10. inputting a rear cover; 11. a planet carrier; 12. an intermediate sun gear; 13. a middle planet wheel; 14. a needle bearing; 15. a pin shaft; 16. rotating the inner gear ring; 17. an input bearing; 18. a support bearing; 19. a middle bearing; 20. a screw; 21. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 and fig. 2, for the utility model discloses a special planetary reducer for AGV dolly, specifically include: the motor connecting plate comprises a motor connecting plate 1, an input shaft 4, a planet carrier 11, a supporting bearing 18 and a screw 20, wherein an input bearing 17 is arranged in the middle of the motor connecting plate 1, the motor connecting plate 1 is connected with a left fixed shaft 2, the input bearing 17 is in interference fit with the input shaft 4, one end of the input shaft 4 is fixedly connected with an input sun wheel 5, the input sun wheel 5 is meshed with an input planet wheel 6, the input planet wheel 6 is meshed with a fixed inner gear ring 9, the fixed inner gear ring 9 is fixed on an input rear cover 10, the input planet wheel 6 is fixed on the planet carrier 11, the other end of the planet carrier 11 is provided with an intermediate sun wheel 12, the planet carrier 11 is in interference fit connection with an intermediate bearing 19, the outer ring of the intermediate bearing 19 is connected with a right fixed shaft 3.

The utility model discloses the theory of operation, motor rotor shaft connection input shaft 4, input shaft 4 rotates and drives input sun gear 5 and rotate, input planet wheel 6 is fixed on planet carrier 11 that can rotate, input sun gear 5 and input planet wheel 6 are through the gear engagement transmission, and input planet wheel 6 meshes with fixed ring gear 9 simultaneously to drive planet carrier 11 to rotate, for the speed reduction transmission, turn to the same; the other end of the planet carrier 11 is provided with an intermediate planet wheel 13, the intermediate sun wheel 12 is fixed, the planet carrier 11 rotates to drive the intermediate planet wheel 13 to rotate, the intermediate planet wheel 13 is meshed with the intermediate sun wheel 12, the intermediate planet wheel 13 is meshed with the rotating inner gear ring 16 to drive the rotating inner gear ring 16 to rotate, and the scheme that the hub is combined with the speed reducer is realized.

In order to further optimize the technical scheme, the left fixed shaft 2 is connected with the right fixed shaft 3 through a middle pin shaft 15.

In order to further optimize the technical scheme, a support bearing 18 is arranged in the middle of the rotating inner gear ring 16.

In order to further optimize the solution described above, the intermediate planet 13 is equipped with needle bearings 14.

In order to further optimize the above technical solution, the rotating ring gear 16 wraps the hub.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a special planetary reducer of AGV dolly, includes motor connecting plate (1), input shaft (4), planet carrier (11), support bearing (18) and screw (20), its characterized in that, be equipped with input bearing (17) in the middle of motor connecting plate (1), motor connecting plate (1) is connected with fixed axle left side (2), input bearing (17) and input shaft (4) interference are connected, input shaft (4) one end and input sun gear (5) fixed connection, input sun gear (5) mesh with input planet gear (6), input planet gear (6) mesh with fixed ring gear (9), fixed ring gear (9) are fixed on input back lid (10), input planet gear (6) are fixed on planet carrier (11), planet carrier (11) other end is equipped with middle sun gear (12), the planet carrier (11) is connected with the middle bearing (19) in an interference mode, the outer ring of the middle bearing (19) is connected with the right side (3) of the fixed shaft, the middle sun wheel (12) is meshed with the middle planet wheel (13), and the middle planet wheel (13) is meshed with the rotating inner gear ring (16).

2. The planetary reducer for AGV carts as claimed in claim 1, wherein the left fixed shaft (2) is connected to the right fixed shaft (3) by a middle pin (15).

3. A planetary reducer for AGV carts as claimed in claim 1, wherein the rotating inner gear ring (16) is provided with a support bearing (18) in the middle.

4. A planetary reducer for AGV carts as claimed in claim 1, characterised in that the intermediate planet (13) is equipped with needle bearings (14).

5. An AGV-cart dedicated planetary reducer according to claim 1, characterized in that said rotating ring gear (16) is wrapped around the hub.