CN220857823U

CN220857823U - Inward rotation forklift hub motor

Info

Publication number: CN220857823U
Application number: CN202322664044.1U
Authority: CN
Inventors: 朱伟飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-26
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to the technical field of hub motors, in particular to an inward-rotation forklift hub motor which comprises a central shaft and an iron core sleeved on the central shaft, wherein the rear end part of the iron core is provided with a rear cover, the front end part of the iron core is provided with a front cover, and the front side of the front cover is provided with a motor cover; the center pin is connected with the gear assembly through the cross connecting axle, and the motor fixed axle has been cup jointed in the outside of cross connecting axle, has cup jointed output shaft on the motor fixed axle, has cup jointed output gear on the output shaft, and output gear's outside is equipped with fixed cover, and fixed cover's outside is equipped with wheel hub, wheel hub and output shaft connection. According to the utility model, the iron core is arranged on the inner side of the output shaft, so that the volume of the whole motor is greatly reduced, meanwhile, the distance between the output shaft and the tire is relatively short, and the gear assembly is adopted for transmission, so that the structure is simple and compact, larger torque can be provided, larger power is brought to a forklift, the forklift can be relatively easy to carry goods and climb up and down a slope, and the forklift can also climb up on a slope easily when carrying the goods.

Description

Inward rotation forklift hub motor

Technical Field

The utility model relates to the technical field of hub motors, in particular to an inward-rotating forklift hub motor.

Background

A forklift is one of the conventional transport vehicles, and is a generic name for various wheeled transport vehicles for handling, stacking, and transporting goods in short distance, and for transporting heavy objects. The device is widely applied to ports, stations, airports, goods yards, factory workshops, warehouses, circulation centers, distribution centers and the like, can enter cabins, carriages and containers to carry out loading and unloading operations of pallet goods, and is an indispensable device in pallet transportation and container transportation.

Because fork truck during operation generally all bears a burden more, fork truck is lower to the requirement of speed, and is higher to the requirement of power, and present fork truck drive structure is complicated, and from motor output shaft to drive wheel drive gear more, the transmission number of times is also more, causes the transmission moment of torsion less, leads to the power inadequately.

Therefore, the application needs to design an inward rotation 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 inward rotation forklift hub motor which has the advantages of simple structure, small volume, large torque and the like.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The inner rotating forklift hub motor comprises a central shaft and an iron core sleeved on the central shaft, wherein the rear end part of the iron core is provided with a rear cover, the front end part of the iron core is provided with a front cover, and the front side of the front cover is provided with a motor cover;

The central shaft is connected with the gear assembly through a cross connecting shaft, a motor fixing shaft is sleeved on the outer side of the cross connecting shaft, an output shaft is sleeved on the motor fixing shaft, an output gear is sleeved on the output shaft, a fixing sleeve is arranged outside the output gear, a hub is arranged outside the fixing sleeve and connected with the output shaft, a tire is arranged outside the hub,

The gear shaft is connected with the gear assembly, and the gear assembly is meshed with the output gear;

a bracket is arranged between the gear assembly and the tire, and the bracket is connected with the handle.

Preferably, the gear assembly comprises a gear shaft connected with the cross connecting shaft, a first cylindrical gear and a second cylindrical gear, wherein the gear shaft is meshed with the first cylindrical gear, the first cylindrical gear is meshed with the second cylindrical gear, the second cylindrical gear is meshed with the output gear, and a gear box cover is arranged on the outer side of the gear assembly.

By adopting the technical scheme: the iron core is arranged on the inner side of the output shaft, the volume of the whole motor is greatly reduced, meanwhile, the distance between the output shaft and the tire is relatively short, and the gear assembly is adopted for transmission, so that the structure is simple and compact, larger torque can be provided, larger power is brought to a forklift, the forklift is easy to carry cargoes and climb up and down slopes, and the forklift can climb easily on a slope when carrying cargoes.

Preferably, the output gear is fixedly connected with the output shaft through a lock nut.

Preferably, the output shaft is fixedly connected with the hub through bolts.

Preferably, two rows of tapered roller bearings are arranged between the fixed sleeve and the output shaft, the two rows of tapered roller bearings are sleeved on the output shaft, and the two rows of tapered roller bearings are arranged at intervals.

Preferably, a clamping ring is arranged on the inner side wall of the fixed sleeve, and the clamping ring is clamped with the two rows of tapered roller bearings.

Preferably, a housing is provided on the outer side of the core.

The utility model has the following beneficial effects:

According to the utility model, the iron core is arranged on the inner side of the output shaft, so that the volume of the whole motor is greatly reduced, meanwhile, the distance between the output shaft and the tire is relatively short, and the gear assembly is adopted for transmission, so that the structure is simple and compact, larger torque can be provided, larger power is brought to a forklift, the forklift can be relatively easy to carry goods and climb up and down a slope, and the forklift can also climb up on a slope easily when carrying the goods.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of another view angle structure of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is a schematic diagram illustrating the installation of a gear assembly and an output shaft according to the present utility model.

In the figure: 1 central shaft, 2 iron cores, 3 rear covers, 4 front covers, 5 motor covers, 6 cross connecting shafts, 7 motor fixing shafts, 8 output shafts, 9 output gears, 10 fixing sleeves, 11 hubs, 12 tires, 13 brackets, 14 handles, 15 gear shafts, 16 first cylindrical gears, 17 second cylindrical gears, 18 gear box covers, 19 lock nuts, 20 tapered roller bearings and 21 shells.

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. 1-5, an in-rotation forklift hub motor comprises a central shaft 1 and an iron core 2 sleeved on the central shaft 1, wherein a rear cover 3 is arranged at the rear end part of the iron core 2, a front cover 4 is arranged at the front end part of the iron core 2, and a motor cover 5 is arranged at the front side of the front cover 4;

Referring to fig. 4, the central shaft 1 is connected with a gear assembly through a cross connecting shaft 6, a motor fixing shaft 7 is sleeved on the outer side of the cross connecting shaft 6, an output shaft 8 is sleeved on the motor fixing shaft 7, an output gear 9 is sleeved on the output shaft 8, a fixing sleeve 10 is arranged on the outer portion of the output gear 9, a hub 11 is arranged on the outer portion of the fixing sleeve 10, the hub 11 is connected with the output shaft 8, and a tire 12 is arranged on the outer portion of the hub 11;

the gear assembly meshes with an output gear 9;

A bracket 13 is arranged between the gear assembly and the tire 12, and the bracket 13 is connected with a handle 14.

Specifically, referring to fig. 5, the gear assembly includes a gear shaft 15 connected with the cross connecting shaft 6, and a first cylindrical gear 16 and a second cylindrical gear 17, the gear shaft 15 is meshed with the first cylindrical gear 16, the first cylindrical gear 16 is meshed with the second cylindrical gear 17, the second cylindrical gear 17 is meshed with the output gear 9, and a gear box cover 18 is arranged on the outer side of the gear assembly.

In this embodiment, through setting up iron core 2 in the inboard of output shaft 8, reduced the volume of whole motor greatly, output shaft 8 is nearer with the distance of tire 12 simultaneously to adopt gear assembly transmission, its simple structure is compact, can provide bigger moment of torsion, brings bigger power for fork truck, makes it all lighter when carrying goods and going up and down the slope, and it also can easily climb on the degree slope when carrying the goods.

Specifically, the output gear 9 is fixedly connected with the output shaft 8 through a lock nut 19.

Specifically, the output shaft 8 is fixedly connected with the hub 11 through bolts.

In this embodiment, when the above gear assembly drives the output gear 9 to rotate, the lock nut 19 can drive the output shaft 8 connected with the output gear to rotate, so that the output shaft 8 drives the hub 11 to rotate, and finally drives the tire 12 to rotate.

Specifically, referring to fig. 4-5, two rows of tapered roller bearings 20 are disposed between the fixed sleeve 10 and the output shaft 8, the two rows of tapered roller bearings 20 are sleeved on the output shaft 8, and the two rows of tapered roller bearings 20 are disposed at intervals.

Referring to fig. 4, a snap ring 10-1 is disposed on an inner side wall of the fixed sleeve 10, and the snap ring 10-1 is engaged with two rows of tapered roller bearings 20.

In this embodiment, the fixing sleeve 10 is used to protect the output shaft 8 and the output gear 9, and two rows of tapered roller bearings 20 are used to fix the fixing sleeve 10 against rotation when the output shaft 8 rotates.

Specifically, a housing 21 is provided on the outer side of the core 2.

In this embodiment, the case 21 is used to protect the core 2.

According to the working principle of the utility model, the central shaft 1 is driven by the cross connecting shaft 6 to drive the gear shaft 15 of the gear assembly to rotate, and as the gear shaft 15 is meshed with the first cylindrical gear 16, the first cylindrical gear 16 is meshed with the second cylindrical gear 17, the second cylindrical gear 17 is meshed with the output gear 9, and then the gear shaft 15 sequentially drives the first cylindrical gear 16, the second cylindrical gear 17 and the output gear 9 to rotate and drives the output shaft 8 to rotate, so that the output shaft 8 drives the hub 11 to rotate and finally drives the tire 12 to rotate.

In summary, the iron core is arranged on the inner side of the output shaft, so that the size of the whole motor is greatly reduced, meanwhile, the distance between the output shaft and the tire is relatively short, and the gear assembly is adopted for transmission, so that the structure is simple and compact, larger torque can be provided, larger power is provided for a forklift, the forklift can easily carry goods and go up and down slopes, and the forklift can easily climb on the slope when carrying the goods.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The inner rotating forklift hub motor comprises a central shaft (1) and an iron core (2) sleeved on the central shaft (1), and is characterized in that a rear cover (3) is arranged at the rear end part of the iron core (2), a front cover (4) is arranged at the front end part of the iron core (2), and a motor cover (5) is arranged at the front side of the front cover (4);

The central shaft (1) is connected with the gear assembly through a cross connecting shaft (6), a motor fixing shaft (7) is sleeved on the outer side of the cross connecting shaft (6), an output shaft (8) is sleeved on the motor fixing shaft (7), an output gear (9) is sleeved on the output shaft (8), a fixed sleeve (10) is arranged outside the output gear (9), a hub (11) is arranged outside the fixed sleeve (10), the hub (11) is connected with the output shaft (8), and a tire (12) is arranged outside the hub (11);

The gear assembly is meshed with an output gear (9);

A bracket (13) is arranged between the gear assembly and the tire (12), and the bracket (13) is connected with a handle (14).

2. An in-wheel forklift hub motor as claimed in claim 1, wherein the gear assembly comprises a gear shaft (15) connected with the cross connecting shaft (6), a first cylindrical gear (16) and a second cylindrical gear (17), the gear shaft (15) is meshed with the first cylindrical gear (16), the first cylindrical gear (16) is meshed with the second cylindrical gear (17), the second cylindrical gear (17) is meshed with the output gear (9), and a gear box cover (18) is arranged on the outer side of the gear assembly.

3. An in-turn forklift hub motor as claimed in claim 1, wherein the output gear (9) is fixedly connected to the output shaft (8) by means of a lock nut (19).

4. An in-turn forklift hub motor as claimed in claim 1, wherein the output shaft (8) is fixedly connected to the hub (11) by means of bolts.

5. The in-rotation forklift hub motor according to claim 1, wherein two rows of tapered roller bearings (20) are arranged between the fixed sleeve (10) and the output shaft (8), the two rows of tapered roller bearings (20) are sleeved on the output shaft (8), and the two rows of tapered roller bearings (20) are arranged at intervals.

6. The hub motor of an internal rotation forklift truck according to claim 1, wherein a clamping ring (10-1) is arranged on the inner side wall of the fixed sleeve (10), and the clamping ring (10-1) is clamped with two rows of tapered roller bearings (20).

7. An in-turn forklift hub motor as claimed in claim 1, wherein the outer side of the core (2) is provided with a housing (21).