WO2017173945A1

WO2017173945A1 - Electric-powered zero-turn stand-on mower

Info

Publication number: WO2017173945A1
Application number: PCT/CN2017/078532
Authority: WO
Inventors: 施清华
Original assignee: 常州格力博有限公司
Priority date: 2016-04-07
Filing date: 2017-03-29
Publication date: 2017-10-12
Also published as: CN105850346A

Abstract

An electric-powered zero-turn stand-on mower, comprising: a frame formed by connecting a rear frame assembly (1) and a front frame assembly (2); an operating assembly (3), provided on the rear frame assembly, for controlling the mower; a drive wheel assembly (11) connected to the rear frame assembly; a turning wheel assembly (21) connected to the front frame assembly; a stand-on assembly (4), fixedly connected to the rear frame assembly, for an operator to stand on; a height adjustment assembly (5) connected to the rear frame assembly; a mowing platform assembly (6) connected to the height adjustment assembly, wherein the height adjustment assembly is used for adjusting the height of a mowing assembly; a drive axle (12), provided on the rear frame assembly, for independently driving the drive wheel assembly; a battery housing formed by a connection of the front frame assembly and the rear frame assembly; and a battery pack (7), provided in the battery housing, for providing power to the drive axle and the mowing platform assembly (7). The electric-powered zero-turn stand-on mower uses electric power and an optimized transmission structure to enhance control precision and reduce costs. The mower generates little vibration, low noise, and zero pollution, and provides user comfort.

Description

Electric standing zero-turn mower

The present application claims priority to Chinese Patent Application No. 201610211870.2, entitled "Electric Standing Zero Steering Mower" on April 7, 2016, the entire contents of which are incorporated herein by reference. in.

Technical field

The invention relates to the field of lawn mowers, and in particular to an electric standing zero-turn lawn mower.

Background technique

The mainstream zero-turn stand-type lawn mowers currently on the market are mainly gasoline engines. When the petrol mower is working, the gasoline engine works to convert the internal energy into mechanical energy, and the power is directly transmitted to the mowing blade, and the power is transmitted to the gearbox pulley indirectly through the belt, and the gearbox device is converted into the wheel driving force forward, the gasoline engine The output power must provide the power of the blade and the power of the walking separately, so the transmission mechanism of the whole machine becomes very complicated and cumbersome, which often causes limitations on the structure of the whole machine.

In addition, the current zero-turn standing mower on the market has its header lifting and lowering fixed by the bolt. When switching the mowing height, the operator needs to directly apply force to raise or lower the header to a new height. Very laborious and difficult to operate.

Gasoline lawn mowers also have the following disadvantages:

1. When the gasoline engine is in working condition, the vibration is relatively large, and the mower produces a large vibration. The noise will be relatively large. The noise and vibration will bring physical discomfort to the operator. At the same time, the vibration generated by the gasoline engine will work. It will also cause the drive belt to shake, which will cause the belt to wear in advance;

2. The discharge of gasoline engines will cause pollution to the atmosphere;

3. The cost of using and maintaining the gasoline engine is relatively high.

Summary of the invention

The technical problem to be solved by the present invention is to provide an electric standing zero-steer mower capable of driving by electric power, optimizing the transmission structure, improving controllability accuracy, reducing cost, small vibration, low noise, no pollution, and comfortable operation. .

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide an electric standing zero-turn lawn mower, comprising: a frame formed by connecting a rear frame assembly and a front frame assembly, the rear frame A control assembly for controlling the lawn mower is disposed on the assembly, a driving wheel assembly is coupled to the rear frame assembly, and a movable steering wheel assembly is coupled to the front frame assembly, and the rear frame assembly is fixedly coupled There is a standing assembly for the operator to stand, a height adjustment assembly is connected to the rear frame assembly, a header assembly is connected to the height adjustment assembly, and the height of the assembly lifting and adjusting the mowing assembly is raised, the rear frame The assembly is provided with a drive axle for driving the drive wheel assembly separately. The front frame assembly and the rear frame assembly are connected to form a battery receiving cavity, and the battery receiving cavity is provided with power for outputting the drive axle and the header assembly. Battery pack.

In a preferred embodiment of the present invention, the height adjustment assembly includes a front height adjustment member and a rear height adjustment member coupled to the header assembly, the front height adjustment member being coupled to the front frame assembly, the rear portion The height adjusting member is connected to the rear frame assembly, and the rear height adjusting member and the front height adjusting member are connected by a connecting rod to form a parallelogram structure, and the rear height adjusting member and the connecting rod connection are connected with the height adjusting plate The rear height adjusting member rotates through the height adjusting plate and the connecting rod to rotate the front adjusting member to adjust the height of the header assembly.

In a preferred embodiment of the present invention, the front height adjusting member and the rear height adjusting member are provided with a rotating shaft, and the front adjusting member and the rear adjusting member are rotated around the rotating shaft, and the rotating shaft is connected to the vehicle through the mounting seat. On the shelf.

In a preferred embodiment of the invention, the front frame assembly is provided with a mowing controller that provides power to the header assembly to drive the header assembly.

In a preferred embodiment of the present invention, the header assembly includes a header welding and a plurality of mowing motors disposed on the header welding, and the mowing motor is connected with a mowing blade The mowing motor is connected to the mowing controller, and the header welding is connected with the front height adjusting member and the rear height adjusting member to raise and lower the header assembly.

In a preferred embodiment of the present invention, the number of the mowing motor is three, the output shaft of the mowing motor extends to the inside of the header welding, and the mowing blade is disposed on the holder through the knife. The seat is connected to the output shaft of the mowing motor, and the header welding assembly is further connected with a grass cover assembly and a plurality of floating wheels.

In a preferred embodiment of the invention, the front frame assembly includes front frame welds that are disposed at the front end of the front frame weld and are 360° free to steer.

In a preferred embodiment of the present invention, the rear frame assembly is provided with a drive controller for controlling the drive axle, and the drive controller provides power of the battery pack to the drive axle to cause the drive axle to drive the drive wheel assembly to move. .

In a preferred embodiment of the present invention, the number of the drive axles is two, and the two drive axles respectively drive two drive wheel assemblies disposed on the left and right sides of the rear frame assembly.

In a preferred embodiment of the present invention, the rear frame assembly includes a soldering of the connecting frame and a rear frame welding connected to the lower portion of the connecting frame, and the vertical surfaces of the two driving bridges are welded to the rear frame. They are disposed at an inclination of 35° and are staggered from each other, and the rear frame is welded to the bottom connection member, and the bottom connector is hinged to the rear side portion of the header assembly.

In a preferred embodiment of the invention, the battery pack is a battery pack of 80V, 12KWH.

In a preferred embodiment of the present invention, the battery pack is provided with a battery cover covering the battery pack.

In a preferred embodiment of the present invention, the rear frame assembly is further provided with a plurality of cushions for the human body to lean against.

The invention has the beneficial effects that the electric standing zero-turn lawn mower of the invention can be driven by electric power, optimizes the transmission structure, improves the controllability accuracy, reduces the cost, has small vibration, low noise, no pollution, and is comfortable to operate.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained according to these drawings without any creative work, wherein:

1 is a schematic structural view of a preferred embodiment of the electric standing zero-turn lawn mower of the present invention;

Figure 2 is an exploded perspective view of the electric standing zero-turn mower shown in Figure 1;

Figure 3 is a schematic structural view of the rear frame assembly of the electric standing zero-turn mower shown in Figure 1;

Figure 4 is a schematic structural view of a header assembly of the electric standing zero-turn mower shown in Figure 1;

Figure 5 is a perspective view showing the structure of the lifting assembly of the electric standing type zero-steer mower shown in Figure 1;

Figure 6 is a front elevational view of the lifting assembly of the electric standing zero-turn mower of Figure 4;

The components of the drawings are marked as follows: 1. Rear frame assembly, 2. Front frame assembly, 3. Operating components, 4. Standing components, 5. Height-adjusting components, 6. Header assembly, 7. Battery pack, 8, battery cover, 9, cushions, 11, drive wheel assembly, 12, drive axle, 13, drive controller, 14, connecting frame welding, 15, rear frame welding, 16, bottom connector, 21, steering Wheel assembly, 22, mowing controller, 23, front frame welding, 51, front height adjustment, 52, rear height adjustment, 53, connecting rod, 54, height adjustment plate, 55, shaft, 56, installation Seat, 61, header welding, 62, mowing motor, 63, mowing blade, 64, knife holder, 65, grass cover assembly, 66, floating wheel.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. However, the described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 to FIG. 6, an electric standing zero-steer mower includes a frame in which a rear frame assembly 1 and a front frame assembly 2 are connected, and a rear frame assembly 1 is provided for controlling cutting. The operating unit 3 of the grass machine is connected to the rear frame assembly 1 with a driving wheel assembly 11 to which a movable steering wheel assembly 21 is attached, and the rear frame assembly 1 is fixedly connected with a stand for the operator to stand. The assembly 4, the rear frame assembly 1 is connected with the height adjustment assembly 5, the height adjustment assembly 5 is connected with the header assembly 6, the height adjustment assembly 5 is raised and lowered to adjust the height of the mowing assembly 6, and the rear frame assembly 1 is provided with a separate The transaxle 12 driving the driving wheel assembly, the front frame assembly 2 and the rear frame assembly 1 are connected to form a battery receiving cavity, and the battery receiving cavity is provided with a battery for outputting power to the transaxle 12 and the header assembly 6. Package 7.

In addition, the height adjustment assembly 5 includes a front height adjustment member 51 and a rear height adjustment member 52 connected to the header assembly, the front height adjustment member 51 is coupled to the front frame assembly 2, and the rear height adjustment member 52 is coupled to the rear frame. In the assembly 1, the rear height adjusting member 52 and the front height adjusting member 51 are connected by a connecting rod 53 to form a parallelogram structure, and the rear height adjusting member 52 and the connecting rod 53 are connected with a height adjusting plate 54 and a rear height adjusting member. 52 is rotated by the height adjustment plate 54 and the link 53 to rotate the front height adjustment member 51 to adjust the height of the header assembly. The front height adjusting member 51 and the rear height adjusting member 52 are provided with a rotating shaft 55. The front height adjusting member 51 and the rear height adjusting member 52 are rotated about the rotating shaft 55, and the rotating shaft 55 is coupled to the frame through the mounting seat 56. When the rear height adjusting member 52 is rotated, the height adjusting plate 54 and the connecting rod 53 are affected by the rear height adjusting member 52 and simultaneously drive the front height adjusting member 51 to rotate, and the hinge driving head on the front height adjusting plate 51 and the rear height adjusting plate 52. Lifting of components.

In addition, the front frame assembly 2 is provided with a mowing controller 22 which supplies the power of the battery pack 7 to the header assembly 6 to drive the header assembly 6, the front frame assembly 2 including the front frame welding In addition, the steering wheel assembly 21 is disposed at the front end of the front frame weld 23, and 360° freely steered, and the mowing controller 22 is disposed at a lower portion of the front frame weld 23.

In addition, the header assembly 6 includes a header welding 61 and a plurality of mowing motors 62 disposed on the header welding 61. The mowing motor 62 is connected with a mowing blade 63, a mowing motor. 62 is connected to the mowing controller 22, and the header welding 61 is connected to the front height adjusting member 51 and the rear height adjusting member 52 to raise and lower the header unit 6. The number of mowing machines 62 is three, the output shaft of the mowing motor 62 extends to the inside of the header weld 61, and the mowing blade 63 is disposed on the holder 64, and is connected to the output of the mowing motor 62 through the holder 64. On the shaft, a header cover assembly 65 and a plurality of floating wheels 66 are also connected to the header weld 61.

In addition, the rear frame assembly 1 is provided with a drive controller 13 for controlling the transaxle 12, and the drive controller 13 supplies the power of the battery pack 7 to the transaxle 12 to cause the transaxle 12 to drive the drive wheel assembly 11 to move. The number of the drive axles 12 is two, and the two drive axles 12 respectively drive the two drive wheel assemblies 11 provided on the left and right sides of the rear frame assembly 1. The rear frame assembly 11 includes a bracket weld 14 and a rear frame weld 15 connected to a lower portion of the joint weld 14, the vertical faces of the two drive axles 12 and the rear frame weld 15 are inclined at 35° and Disconnected from each other, a bottom connector 16 is attached to the rear frame weld 15 and the bottom connector 16 is hinged to the rear side of the header assembly 6. The two transaxles 12 drive the two drive wheel assemblies 11, respectively. When the speeds of the two drive wheels are the same, the mower walks directly. When the speed difference between the two drive wheels is, the mowing machine turns, when a drive wheel has a speed. When the other drive wheel speed is 0, the entire frame achieves zero turns.

In addition, the battery pack 7 is a battery pack of 80V and 12KWH. The battery pack 7 is provided with a battery cover 8 that covers the battery pack 7. The rear frame assembly 1 is also provided with a plurality of cushions 9 for the human body to lean against.

In addition, the operating component 3 is fixed on the rear frame assembly, and the operating component comprises: a cutter switch, which can control the starting and stopping of the cutter; an ignition switch to control the starting of the whole vehicle; a multifunctional hour meter, which displays various system parameters, Such as battery charging status, running time and maintenance status, bring great convenience to the operator; 2 ship type switches, respectively control the walking speed and cutter speed of the whole vehicle; the left control combination, control the left rear wheel walking speed, Including forward and backward; right manipulation combination, controlling the right rear wheel walking speed, including forward and backward;

Different from the prior art, the electric standing zero-turn lawn mower of the invention can be driven by electric power, optimizes the transmission structure, improves the controllability accuracy, reduces the cost, has small vibration, low noise, no pollution, and is comfortable to operate.

The above is only the embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification of the present invention, or directly or indirectly applied to other related technical fields, The same is included in the scope of patent protection of the present invention.

Claims

An electric standing zero-turn lawn mower comprising: a frame formed by connecting a rear frame assembly and a front frame assembly, the rear frame assembly being provided with a manipulation component for controlling the lawn mower, the rear A drive wheel assembly is coupled to the frame assembly, a movable steering wheel assembly is coupled to the front frame assembly, and a standing assembly for operator standing is fixedly coupled to the rear frame assembly, wherein the rear frame is An elevation assembly is connected to the frame assembly, a header assembly is connected to the height adjustment assembly, and a height of the assembly is adjusted to adjust the mowing assembly. The rear frame assembly is provided with a drive axle for separately driving the drive wheel assembly. The front frame assembly and the rear frame assembly are connected to form a battery receiving cavity, and the battery receiving cavity is provided with a battery pack for outputting power to the transaxle and the header assembly.
The electric standing zero-turn lawn mower according to claim 1, wherein the height adjustment assembly comprises a front height adjustment member and a rear height adjustment member connected to the header assembly, and the front height adjustment member is connected. In the front frame assembly, the rear height adjusting member is coupled to the rear frame assembly, and the rear height adjusting member and the front height adjusting member are connected by a connecting rod to form a parallelogram structure, and the rear height adjusting member and An adjustment plate is connected between the connecting rods, and the rear height adjusting member rotates through the height adjusting plate and the connecting rod to rotate the front adjusting member to adjust the height of the header assembly.
The electric standing type zero-steer mower according to claim 2, wherein the front height adjusting member and the rear height adjusting member are provided with a rotating shaft, and the front adjusting member and the rear adjusting member rotating around the rotating shaft. The rotating shaft is connected to the frame through a mounting seat.
The electric standing zero-turn lawn mower according to claim 3, wherein the front frame assembly is provided with a mowing controller, and the mowing controller is provided with a battery pack Power is supplied to the header assembly to drive the header assembly.
The electric standing zero-turn lawn mower according to claim 4, wherein the header assembly comprises a header welding and a plurality of mowing motors disposed on the header welding, the mowing motor Correspondingly, a mowing blade is connected, and the mowing motor is connected with a mowing controller, and the header welding is connected with the front height adjusting member and the rear height adjusting member to raise and lower the header assembly.
The electric standing zero-turn lawn mower according to claim 5, wherein the number of the mowing machines is three, and the output shaft of the mowing machine extends to the inside of the header welding, The mowing blade is disposed on the tool holder and connected to the output shaft of the mowing motor through the knife seat, and the grass cover assembly and the plurality of floating wheels are also connected to the header welding.
The electric standing zero-turn lawn mower according to claim 4, wherein said front frame assembly includes front frame welding, said steering wheel assembly is disposed at a front end of front frame welding, and 360 ° Free steering, the mowing controller is placed in the lower part of the front frame welding.
The electric standing zero-steer mower according to claim 1, wherein the rear frame assembly is provided with a drive controller for controlling the transaxle, and the drive controller provides power supply of the battery pack. To the transaxle, the transaxle drives the drive wheel assembly to move.
The electric standing zero-steer mower according to claim 8, wherein the number of the drive axles is two, and the two drive axles are respectively driven to be disposed on the rear frame assembly. Two drive wheel assemblies on the left and right sides.
The electric standing zero-steer mower according to claim 9, wherein the rear frame assembly comprises a bracket welding and a rear frame welding connected to the lower portion of the connecting frame, two driving axles The vertical faces that are welded to the rear frame are disposed at an inclination of 35° and are offset from each other, and the rear frame is welded to the bottom connector, and the bottom connector is hinged to the rear side of the header assembly.
The electric standing zero-turn lawn mower according to any one of claims 1 to 10, wherein the battery pack is an 80V, 12KWH battery pack.
The electric standing zero-turn lawn mower according to claim 10, wherein the battery pack is provided with a battery cover covering the battery pack.
The electric standing zero-turn lawn mower according to claim 11, wherein the rear frame assembly is further provided with a plurality of cushions for the human body to lean against.