CN-224233483-U - Energy-saving forklift hub motor

Abstract

The utility model relates to the technical field of forklift motors, in particular to an energy-saving forklift hub motor which comprises a main shaft, a hub rotatably mounted on the main shaft, a motor and a planetary reduction mechanism, wherein the motor and the planetary reduction mechanism are arranged in the hub and are sleeved on the main shaft, the planetary reduction mechanism is arranged on one side of the motor, the planetary reduction mechanism comprises a sun wheel, a planet carrier assembly and at least one group of planet wheel assemblies mounted on the planet carrier assembly, the sun wheel is driven by the motor to rotate, the planet wheel assemblies are driven by the sun wheel to rotate, then a gear ring is driven by the gear ring to rotate, and the hub is driven by the output of the gear ring to rotate.

Inventors

• Qi Shengxiong
• SUN JIAOJIAO

Assignees

• 浙江对号科技有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (5)

1. 1. The energy-saving forklift hub motor comprises a main shaft (1), a hub (2) rotatably mounted on the main shaft (1), and a motor (3) and a planetary reduction mechanism which are arranged in the hub (2), and is characterized in that the motor (3) and the planetary reduction mechanism are both sleeved on the main shaft (1), and the planetary reduction mechanism is arranged on one side of the motor (3); The planetary reduction mechanism comprises a sun gear (4), a planet carrier assembly and at least one group of planet gear assemblies arranged on the planet carrier assembly, wherein the sun gear (4) is fixedly connected with an output shaft of a motor, the planet carrier assembly is annularly arranged on a main shaft (1), the planet gear assembly comprises a large planet gear (5) and a small planet gear (6), the small planet gear (6) is sleeved on a mandrel of the large planet gear (5), the large planet gear (5) is meshed with the sun gear (4), the small planet gear (6) is meshed with a gear ring (7), the gear ring (7) is arranged on the inner side wall of a motor end cover (8), and the motor end cover (8) is fixedly connected with a hub (2).
2. 2. An energy efficient forklift hub motor as claimed in claim 1, wherein said planetary gear assemblies are in groups 1-4.
3. 3. An energy efficient forklift hub motor as claimed in claim 1, wherein said planet carrier assembly comprises an outer planet carrier (9), an inner planet carrier (10) and a number of connecting posts (11), a number of said connecting posts (11) being arranged between the outer planet carrier (9) and the inner planet carrier (10) and being adapted to connect the outer planet carrier (9) and the inner planet carrier (10).
4. 4. An energy-saving forklift hub motor according to claim 3, wherein the number of the connecting posts (11) is four, and the four connecting posts (11) are arranged at equal intervals in a ring shape.
5. 5. An energy-efficient forklift hub motor as claimed in claim 1, wherein the motor end cap (8) is fixedly connected with the hub (2) by means of a number of bolts.

Description

Energy-saving forklift hub motor Technical Field The utility model relates to the technical field of forklift motors, in particular to an energy-saving forklift hub motor. Background The forklift is an industrial transport vehicle, takes a motor as power, has the bearing capacity of 1.0-3.0 tons, and is widely applied to indoor operation and other working conditions with higher requirements on the environment, such as industries of medicines, foods and the like, because of no pollution and low noise. The wheel of the electric forklift is arranged on the fork head through a main shaft, but the torque of the existing forklift motor is small, and the power is insufficient, so that the energy consumption is increased, and the production and working efficiency are reduced. Therefore, the application needs to design an energy-saving forklift hub motor to solve the technical problems. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides an energy-saving forklift hub motor which has the advantages of large output torque, sufficient power, energy saving, electricity saving, long service life and reduction of operation cost. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The energy-saving forklift hub motor comprises a main shaft, a hub rotatably mounted on the main shaft, and a motor and a planetary reduction mechanism which are arranged in the hub, wherein the motor and the planetary reduction mechanism are both sleeved on the main shaft, and the planetary reduction mechanism is arranged on one side of the motor; The planetary reduction mechanism comprises a sun gear, a planet carrier assembly and at least one group of planetary gear assemblies arranged on the planet carrier assembly, wherein the sun gear is fixedly connected with an output shaft of a motor, the planet carrier assembly is arranged on a main shaft in a surrounding mode, the planetary gear assemblies comprise a large planetary gear and a small planetary gear, the small planetary gear is sleeved on a mandrel of the large planetary gear, the large planetary gear is meshed with the sun gear, the small planetary gear is meshed with a gear ring, the gear ring is arranged on the inner side wall of an end cover of the motor, and the end cover of the motor is fixedly connected with a hub. Preferably, the planetary gear assembly is in the group of 1-4. Preferably, the planet carrier assembly comprises an outer planet carrier, an inner planet carrier and a plurality of connecting posts, wherein the connecting posts are arranged between the outer planet carrier and the inner planet carrier and are used for connecting the outer planet carrier and the inner planet carrier. Preferably, the number of the connecting columns is four, and the four connecting columns are uniformly arranged at intervals in a ring shape. Preferably, the motor end cover is fixedly connected with the hub through a plurality of bolts. The energy-saving forklift hub motor has the advantages that the energy-saving forklift hub motor comprises a main shaft, a hub rotatably arranged on the main shaft, a motor and a planetary reduction mechanism which are arranged in the hub, wherein the motor and the planetary reduction mechanism are sleeved on the main shaft, the planetary reduction mechanism is arranged on one side of the motor, the planetary reduction mechanism comprises a sun gear, a planet carrier assembly and at least one group of planet wheel assemblies arranged on the planet carrier assembly, the sun gear is driven by the motor to rotate, the planet wheel assemblies are driven by the sun gear to rotate, then a gear ring is driven by the gear ring to rotate, and the gear ring is output to drive the hub to rotate. Drawings Fig. 1 is a schematic diagram of the overall structure of the present utility model. Fig. 2 is a partial cross-sectional view of fig. 1. Fig. 3 is a cross-sectional view taken along the direction A-A of fig. 2. Fig. 4 is a sectional view taken along the direction B-B of fig. 2. In the figure, a main shaft 1, a hub 2, a motor 3, a sun gear 4, a planet gear 5, a planet gear 6, a gear ring 7, a motor end cover 8, an outer planet carrier 9, an inner planet carrier 10 and a connecting column 11 are arranged. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Referring to fig. 1-4, an energy-saving forklift hub motor comprises a main shaft 1, a hub 2 rotatably mounted on the main shaft 1, and a motor 3 and a planetary reduction mechanism which are arranged in the hub 2, wherein the motor 3 and the planetary reduction mechanism are both sleeved on the main shaft 1, and the planetary reduction mechanism is arranged o