CN216904582U

CN216904582U - High-integration large-torque walking wheel speed reduction motor

Info

Publication number: CN216904582U
Application number: CN202220740394.4U
Authority: CN
Inventors: 孙成群; 赵建兴
Original assignee: Changzhou Yunkong Electronic Co ltd
Current assignee: Changzhou Yunkong Electronic Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-05
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a high-integration large-torque walking wheel speed reduction motor which comprises a first shell, a second shell, a fixed shaft, a stator core, a rotor, a planet carrier, a planet wheel, a sun wheel, a gear ring, an outer rubber covered wheel and an encoder. According to the utility model, core function devices such as the motor, the speed reducer and the encoder are integrated into a whole, so that the axial space is saved, a larger capacity space is created for a power source, and the pioneer is opened for improving the application performance of the AGV for the intelligent warehouse logistics industry.

Description

High-integration large-torque walking wheel speed reduction motor

Technical Field

The utility model discloses a high-integration large-torque walking wheel speed reducing motor, and belongs to the technical field of speed reducing motors.

Background

With the rapid development of the intelligent storage logistics industry, the requirements of high-performance AGV logistics trolleys on large battery capacity, low charging frequency and long travel time are particularly outstanding, and in order to save the space of an automobile body and reserve larger space capacity for the battery, how to design a high-integration large-torque walking wheel speed reduction motor is always a technical target of related engineering designers.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model discloses a high-integration large-torque walking wheel speed reducing motor.

The technical scheme of the utility model is as follows:

a high-integration large-torque walking wheel speed reduction motor comprises a first shell, a second shell, a fixed shaft, a stator core, a rotor, a planet carrier, a planet wheel, a sun wheel, a gear ring, an outer rubber covered wheel and an encoder;

the gear ring is pressed into the rubber covered wheel through interference fit; the first shell and the second shell are respectively fixed with the rubber wheel wrapped outside through screws to form the whole machine body of the speed reducing motor;

the fixed shaft is used as a fixed part and penetrates through the machine body of the whole speed reducing motor, the left end of the fixed shaft is connected with the first shell through a large bearing I, the right end of the fixed shaft is connected with the second shell through a large bearing II, the planet carrier is connected with the fixed shaft through interference fit, the planet carrier is fixed relative to the fixed shaft, the stator core is fixed with the planet carrier through a screw, and the stator core, the planet carrier and the fixed shaft are all fixed;

the sun gear is connected with the rotor through a screw, magnetic steel is pasted on the outer surface of the rotor, and the rotor freely rotates on the fixed shaft under the support of the small bearing II;

the sun wheel is meshed with 3 planet wheels, the planet wheels are connected with a pin shaft through a small bearing, the pin shaft is fixedly connected to a planet carrier, a clamp spring is arranged on the pin shaft, the planet wheels rotate under the support of the pin shaft, the 3 planet wheels are respectively meshed with a gear ring to realize the rotation of the gear ring, the integral rotation of the externally-coated rubber wheel is realized, and the torque output is realized;

the encoder is connected to the rotor and used for reading the position of the rotor and feeding back signals to the driver and the upper computer to realize position closed loop.

Preferably, the right end of the fixed shaft is provided with a wire passing groove for the wire of the motor winding and the encoder to pass through.

Preferably, the rubber-covered wheel is made of steel.

The utility model has the beneficial effects that:

the utility model integrates the core function devices such as the motor, the reducer, the encoder and the like into a whole, saves the axial space, creates larger capacity space for a power source (a battery pack), and creates the pioneer for improving the application performance of the AGV for the intelligent storage logistics industry.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the high-integration large-torque walking wheel speed reduction motor comprises a first shell 1, a second shell 2, a fixed shaft 3, a stator core 4, a rotor 5, a planet carrier 6, a planet wheel 7, a sun wheel 8, a gear ring 9, an outer rubber coated wheel 10 and an encoder 11;

the gear ring 9 is pressed into the rubber wheel 10 by interference fit; the first shell 1 and the second shell 2 are respectively fixed with an outer rubber covered wheel 10 through screws to form the whole machine body of the speed reducing motor;

the fixed shaft 3 is used as a fixed part and penetrates through the machine body of the whole speed reducing motor, the left end of the fixed shaft 3 is connected with the first shell through a large bearing I12, the right end of the fixed shaft 3 is connected with the second shell 2 through a large bearing II 13, the planet carrier 6 is connected with the fixed shaft 3 through interference fit, the planet carrier 6 is fixed relative to the fixed shaft, the stator core 4 is fixed with the planet carrier 6 through a screw, and the stator core 4, the planet carrier 6 and the fixed shaft 3 are all fixed;

the sun gear 8 is connected with the rotor 5 through a screw, magnetic steel 14 is pasted on the outer surface of the rotor 5, and the rotor 5 freely rotates on the fixed shaft 3 under the support of a small bearing II 15;

the sun wheel 8 is meshed with the 3 planet wheels 7, the planet wheels 7 are connected with a pin shaft 17 through a small bearing I16, the pin shaft 17 is fixedly connected to the planet carrier 6, a clamp spring 18 is arranged on the pin shaft 17, the planet wheels 7 rotate under the support of the pin shaft 17, the 3 planet wheels 7 are respectively meshed with the gear ring 9, the gear ring 9 rotates, the outer rubber covered wheel 10 rotates integrally, and torque output is achieved;

and the encoder 11 is connected to the rotor 5 and used for reading the position of the rotor 5 and feeding back signals to the driver and the upper computer to realize position closed loop.

Preferably, the right end of the fixed shaft 3 is provided with a wire passing groove 3-1 for passing the wire of the motor winding and the encoder 11.

Preferably, the rubber-covered wheel 10 is made of steel.

The working principle of the utility model is as follows:

during operation stator core 4 circular telegram, rotor 5 rotates, drives sun gear 8 and rotates,

sun gear

8 and 3 planet wheel 7 meshing, planet wheel 7 realizes the rotation under the support of

round pin axle

17, 3 planet wheel 7 mesh with ring gear 9 respectively, realize ring gear 9 rotation, just so realized the whole rotation of outsourcing rubber tyer 10, finally realize torque output, encoder 11 can read rotor position and feedback signal and give driver and host computer, realize the position closed loop simultaneously.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A high-integration large-torque walking wheel speed reduction motor is characterized by comprising a first shell, a second shell, a fixed shaft, a stator core, a rotor, a planet carrier, a planet wheel, a sun wheel, a gear ring, an outer rubber covered wheel and an encoder, wherein the first shell is connected with the second shell;

the gear ring is pressed into the rubber covered wheel in an interference fit manner; the first shell and the second shell are respectively fixed with the rubber wheel wrapped outside through screws to form the whole machine body of the speed reducing motor;

2. The high-integration large-torque road wheel speed reducing motor as claimed in claim 1, wherein a wire passing groove is formed at the right end of the fixed shaft and used for a motor winding and a wire of an encoder to pass through.

3. The high integrated large torque road wheel gear motor of claim 1, wherein said rubber covered wheel is made of steel.