CN215011739U

CN215011739U - Self-propelled electric lawn mower driven by hub motor

Info

Publication number: CN215011739U
Application number: CN202120334102.2U
Authority: CN
Inventors: 李军; 郭超; 曹慧昌; 赵晓英; 王金羽
Original assignee: Huai'an Zhonglu Garden Machinery Co ltd
Current assignee: Huai'an Zhonglu Garden Machinery Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-07
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a self-propelled electric lawn mower driven by a hub motor, which comprises a cutter head, wherein a cutter head motor is fixed on the surface of the top end of the cutter head, a wheel hub motor driving component is arranged on the front and back travelling wheels of the cutter head, a battery component, a cutter head motor controller and a wheel hub motor controller are arranged at the rear end of the cutter head, support lugs are fixed on both sides of one end of the cutter head, two ends of a cutter head control wire harness are respectively connected with a cutter head motor control switch and a cutter head motor controller, two ends of a cutter head motor wire harness are respectively connected with the cutter head motor controller and the cutter head motor, two ends of a drive control wire harness are respectively connected with the wheel hub motor control switch and the wheel hub motor controller, two ends of the wheel hub motor wire harness are respectively connected with the cutter head motor controller and the cutter head motor, an instruction is given to the controller through the motor control switch kneading, so that the cutter head motor and the wheel hub motor work, the lawn mower is driven by the hub motor to walk and mow at the same time.

Description

Self-propelled electric lawn mower driven by hub motor

Technical Field

The utility model belongs to the technical field of the lawn mower, concretely relates to wheel hub motor driven self-propelled electronic lawn mower.

Background

The lawn mower is mechanical equipment for mowing, can cut grass and weeds in gardens and forests, air-dries the grass, and uses the recovered hay for livestock feed, a cutter head is arranged on a traveling wheel, power is arranged on the cutter head, a blade is arranged on a power output shaft, and the blade rotates at a high speed by utilizing the power to trim the lawn.

The existing lawn mower has the advantages that the gasoline engine and the blade are arranged on the lawn mower when the existing lawn mower is used, an operator pushes the lawn mower to move forward, the effect of trimming grass is achieved, the hand-push type lawn mower can bring fatigue to the operator quickly when in work, particularly, the walking resistance is larger for the lawn mower with the grass collecting device, the hand-push type lawn mower is increasingly unpopular for large-area lawns, the problem that the applicability of the hand-push type lawn mower is not wide is solved, meanwhile, the requirement that the emission of the gasoline engine cannot be met, the green life and the environmental protection which are advocated by the nation cannot be met, and the self-propelled electric lawn mower driven by the hub motor is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an in-wheel motor driven self-propelled electric lawn mower to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an in-wheel motor driven self-propelled electric lawn mower, includes the blade disc, blade disc top end surface fixing has the blade disc motor, walking wheel is equipped with in-wheel motor drive assembly around the blade disc, the blade disc rear end sets up battery pack, blade disc motor controller and driving motor controller, blade disc one end both sides all are fixed with the journal stirrup, and the front end is equipped with the fan-shaped hole, realizes the different height of handrail in the different positions in fan-shaped hole through screw bolt and nut, the journal stirrup is provided with down the handrail, handrail one end is provided with the handrail down, the lower extreme cross section of going up the handrail is U type structure, handrail under going up handrail both ends U type structure cooperation to fasten with ingot shape bolt and triangle-shaped nut, realize folding fast.

Preferably, one department or the multiple departments are connected with the brushless in-wheel motor drive assembly of unipolar output on the blade disc front-rear axle, in-wheel motor drive assembly comprises tire, first in-wheel motor rotor assembly, second in-wheel motor rotor assembly, in-wheel motor shaft and in-wheel motor end cover, the tire surface is with the decorative pattern, increases drive power, inside rotor and the rotor winding of setting up of first in-wheel motor rotor assembly, second in-wheel motor rotor assembly cup joints at in-wheel motor shaft outer wall, in-wheel motor drive assembly one end is connected with the in-wheel motor end cover.

Preferably, the battery assembly comprises a battery and a battery seat, the lower end of the battery is provided with a double-insert structure, and the upper part of the battery seat is provided with a double-insert structure.

Preferably, a cutter head motor controller and a hub motor controller are respectively arranged at two ends of the battery seat.

Preferably, the cutter head motor controller sets technical parameters to control the rotating speed and the torque of the motor shaft of the cutter head, and the driving motor controller sets technical parameters to control the rotating speed and the torque of the motor shaft of the hub.

Preferably, a cutter motor control switch and a hub motor control switch are respectively arranged in the middle of the upper handrail.

Preferably, the cutter motor comprises a rotor assembly, a cutter motor shaft and a cutter motor end cover, wherein a rotor and a rotor winding are arranged in the rotor assembly, the cutter motor rotor assembly is sleeved on the outer wall of the cutter motor shaft, and one end of the cutter motor is connected with the end cover.

Preferably, two ends of the cutter head control wire harness are respectively connected with the cutter head motor control switch and the cutter head motor controller, two ends of the cutter head motor wire harness are respectively connected with the cutter head motor controller and the cutter head motor, two ends of the drive control wire harness are respectively connected with the hub motor control switch and the hub motor controller, and two ends of the hub motor wire harness are respectively connected with the hub motor controller and the hub motor.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the designed battery holder, the battery holder is provided with a cutter head motor controller, an in-wheel motor controller and a battery, and further integrates a battery assembly, the supply of power and the compression of space are realized, the integral arrangement of a machine is met, through the design of an upper handrail, the cutter head motor control switch and the in-wheel motor control switch are intensively arranged, the convenience of operation of an operator is realized, the man-machine engineering is met, through the design of the in-wheel motor, a brushless structure and single-shaft output are adopted, a specific stator and stator winding, a rotor and rotor winding are adopted, further, the traveling mechanism of the mower is arranged, the traveling system is ensured to be more stable, meanwhile, the modes of realizing rear-shaft single-wheel drive, rear-shaft double-wheel drive and front-rear-shaft multi-wheel drive of the mower can be realized, through the design of the cutter head motor, a structure and single-shaft output are adopted, a specific brushless stator and stator winding is adopted, Rotor and rotor winding, and then arrange lawn mower grass cutting mechanism, guarantee the more stable of work system mows, through the design of cutter head motor pencil, with cutter head motor, cutter head motor controller, cutter head motor control switch, battery formation an organic whole, realize lawn mower grass cutting function, through the design of in-wheel motor pencil, with in-wheel motor, in-wheel motor controller, in-wheel motor control switch, battery formation an organic whole, realize the lawn mower from walking, save operator's physical power, improve the work efficiency of lawn mower.

(2) Through the fan-shaped design to the journal stirrup fixed orifices of both sides, the handrail can be in the different positions of sector hole from top to bottom, and then refines the height of going up the handrail and arranges, guarantees different operators' multiple demand.

(3) Through the designed cutter head motor and the hub motor, when the magnetic field generated by the cutter head motor and the hub motor through the stator and the magnetic field generated by the rotor interact, the motor rotor runs, the total mass of the motor rotor is reduced, a large number of transmission parts are omitted, the transmission structure is simpler, and various complex driving modes can be realized.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a schematic mechanism diagram of the hub motor of the present invention;

fig. 3 is a schematic mechanism diagram of the cutter head motor of the present invention;

fig. 4 is a schematic mechanism diagram of the battery holder of the present invention;

in the figure: 1. an upper armrest; 2. a cutter motor control switch; 3. a hub motor control switch; 4. a lower armrest; 5. a shoe-shaped bolt; 6. a triangular nut; 7. a nut; 8. a bolt; 9. supporting a lug; 10. a hub motor controller; 11. a battery assembly; 12. a cutter motor controller; 13. a hub motor; 14. a cutter head; 15. a cutter motor; 16. a blade; 17. a first in-wheel motor rotor assembly; 18. a second in-wheel motor rotor assembly; 19. a hub motor shaft; 20. a hub motor end cover; 21. a tire; 22. a cutter motor rotor assembly; 23. a cutter head motor end cover; 24. a blade; 25. a cutter head motor shaft; 26. a battery; 27. a battery holder.

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.

Examples

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an in-wheel motor driven self-propelled electric lawn mower, includes blade disc 14, 14 top surface fixing of blade disc has blade disc motor 15, the walking wheel is equipped with in-wheel motor drive assembly behind the blade disc 14, 14 rear ends of blade disc set up battery pack 11, blade disc motor controller 12 and in-wheel motor controller 10, 14 one end both sides of blade disc all are fixed with journal stirrup 9, and the front end is equipped with the fan-shaped hole, realizes the different height of handrail in the different positions in fan-shaped hole through bolt 8 and nut 7, journal stirrup 9 is provided with down handrail 4, handrail 4 one end is provided with handrail 1 down, the lower extreme cross section of going up handrail 1 is U type structure, handrail 4 under the cooperation of 1 both ends U type structure of going up handrail to the fastening of ingot bolt 5 and triangle-shaped nut 6 realizes folding fast.

In this embodiment, it is preferred, one department or two departments are connected with the brushless in-wheel motor drive assembly of unipolar output on the axle around blade disc 14, in-wheel motor drive assembly comprises tire 21, the first in-wheel motor rotor assembly 17 of in-wheel motor, in-wheel motor second in-wheel motor rotor assembly 18, in-wheel hub motor shaft 19 and in-wheel motor end cover 20, the outer surface of tire 21 has the decorative pattern, increases drive power, the inside rotor and the rotor winding that sets up of the first in-wheel motor rotor assembly 17 of in-wheel motor, in-wheel motor second in-wheel motor rotor assembly 18 cup joints at the 19 outer walls of in-wheel hub motor shaft, in-wheel motor drive assembly one end is connected with in-wheel motor end cover 20.

In this embodiment, preferably, the battery assembly 11 includes a battery 26 and a battery holder 27, a double-plug structure is disposed at a lower end of the battery 26, and a double-plug structure is disposed at an upper portion of the battery holder 27.

In this embodiment, preferably, the two ends of the battery holder 27 are respectively provided with the cutter motor controller 12 and the hub motor controller 10.

In this embodiment, it is preferable that the cutter motor controller 12 sets technical parameters to control the rotation speed and the torque of the cutter motor shaft 25, and the hub motor controller 10 sets technical parameters to control the rotation speed and the torque of the hub motor shaft 19.

In this embodiment, preferably, a cutter motor control switch 2 and a hub motor control switch 3 are respectively disposed in the middle of the upper handrail 1.

In this embodiment, preferably, the cutter motor 15 is composed of a cutter motor and cutter rotor assembly 22, a cutter motor shaft 25 and a cutter motor end cover 23, a rotor and a rotor winding are arranged inside the cutter motor and cutter rotor assembly 22, the cutter motor and cutter stator assembly 22 is sleeved on the outer wall of the cutter motor shaft 25, and one end of the cutter motor 15 is connected with the cutter motor end cover 23.

In this embodiment, preferably, the two ends of the cutter head control wire harness 28 are connected to the cutter head motor control switch 2 and the cutter head motor controller 12 respectively, the two ends of the cutter head motor wire harness 29 are connected to the cutter head motor controller 12 and the cutter head motor 15 respectively, the two ends of the drive control wire harness 30 are connected to the hub motor control switch 3 and the hub motor controller 10 respectively, and the two ends of the hub motor wire harness 31 are connected to the hub motor controller 10 and the hub motor 13 respectively.

The utility model discloses a theory of operation and use flow: the utility model discloses in use, adjust the angle of handrail 1 and lower handrail 4 on it according to the height of self, in realizing the adjustment to its angle, the user loosens bolt 8 and nut 7 with the spanner, fastens with the spanner when the height that the lug 9 fan-shaped hole corresponds, realizes fixed spacing, when needing to be folded to handrail on the lawn mower, can loosen ingot bolt 5 and triangle-shaped nut 6 by bare-handed, make handrail 1 and lower handrail 4 part the certain distance and can realize handrail 1 folding.

The utility model discloses at the removal in-process, the drive assembly of 14 lateral parts of blade disc works, and then realizes the displacement adjustment, and in the time of the produced magnetic field of in-wheel motor 13 through second in-wheel motor rotor assembly 18 and the produced magnetic field interact of first in-wheel motor rotor assembly 17, makes in-wheel motor shaft 19 operate, and then realizes that power provides, and its overall quality reduces, omits a large amount of drive disk assembly, lets transmission structure simpler, can realize multiple complicated drive mode. The utility model discloses in the course of the work, the blade disc motor 15 at blade disc 14 top works, and then realizes mowing, and wherein blade disc motor 15 makes blade disc motor shaft 22 and blade 24 move together when the produced magnetic field of blade disc motor stator assembly 21 and the produced magnetic field of blade disc electric rotor assembly 20 interact, and then realization work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an in-wheel motor driven self-propelled electric lawn mower, includes blade disc (14), blade disc (14) top surface mounting has blade disc motor (15), walking wheel is equipped with in-wheel motor drive assembly around blade disc (14), blade disc (14) rear end sets up battery pack (11), blade disc motor controller (12) and in-wheel motor controller (10), blade disc (14) one end both sides all are fixed with journal stirrup (9), and the front end is equipped with the sector hole, realizes the different height of handrail in the different positions of sector hole through bolt (8) and nut (7), journal stirrup (9) are provided with down handrail (4), its characterized in that: the lower handrail (4) one end is provided with handrail (1), the lower extreme cross section of going up handrail (1) is U type structure, handrail (4) under the cooperation of going up handrail (1) both ends U type structure to fasten with ingot-shaped bolt (5) and triangle-shaped nut (6), realize folding fast.

2. The in-wheel motor driven self-propelled electric lawn mower of claim 1, wherein: blade disc (14) epaxial one department or two department connection have the brushless in-wheel motor drive assembly of unipolar output around the axis, in-wheel motor drive assembly comprises tire (21), first in-wheel motor rotor assembly (17), second in-wheel motor rotor assembly (18), in-wheel motor shaft (19) and in-wheel motor end cover (20), tire (21) surface is with the decorative pattern, increases drive power, first in-wheel motor rotor assembly (17) inside sets up rotor and rotor winding, second in-wheel motor rotor assembly (18) cup joint in-wheel motor shaft (19) outer wall, in-wheel motor drive assembly one end is connected with in-wheel motor end cover (20).

3. The in-wheel motor driven self-propelled electric lawn mower of claim 1, wherein: battery pack (11) are including battery (26) and battery seat (27), battery (26) lower extreme is equipped with two inserted sheet structures, battery seat (27) upper portion is equipped with two jack structures.

4. An in-wheel motor driven self-propelled electric lawn mower according to claim 3, wherein: and a cutter head motor controller (12) and a hub motor controller (10) are respectively arranged at two ends of the battery seat (27).

5. An in-wheel motor driven self-propelled electric lawn mower according to claim 3, wherein: the cutter head motor controller (12) sets technical parameters to control the rotating speed and the torque of the cutter head motor shaft (25), and the hub motor controller (10) sets technical parameters to control the rotating speed and the torque of the hub motor shaft (19).

6. The in-wheel motor driven self-propelled electric lawn mower of claim 1, wherein: and a cutter head motor control switch (2) and a hub motor control switch (3) are respectively arranged in the middle of the upper handrail (1).

7. The in-wheel motor driven self-propelled electric lawn mower of claim 1, wherein: the cutter head motor (15) is composed of a cutter head motor rotor assembly (22), a cutter head motor shaft (25) and a cutter head motor end cover (23), a rotor and a rotor winding are arranged inside the cutter head motor rotor assembly (22), the cutter head motor rotor assembly (22) is sleeved on the outer wall of the cutter head motor shaft (25), and one end of the cutter head motor (15) is connected with the cutter head motor end cover (23).

8. The in-wheel motor driven self-propelled electric lawn mower of claim 1, wherein: two ends of a cutter head control wire harness (28) are respectively connected with a cutter head motor control switch (2) and a cutter head motor controller (12), two ends of a cutter head motor wire harness (29) are respectively connected with the cutter head motor controller (12) and a cutter head motor (15), two ends of a drive control wire harness (30) are respectively connected with a hub motor control switch (3) and a hub motor controller (10), and two ends of a hub motor wire harness (31) are respectively connected with the hub motor controller (10) and a hub motor (13).