CN115517069A

CN115517069A - Traveling wheel driven lawnmower

Info

Publication number: CN115517069A
Application number: CN202110498670.0A
Authority: CN
Inventors: 张旭超; 陈伟
Original assignee: Dongguan Muqin Intelligent Technology Co ltd
Current assignee: Dongguan Muqin Intelligent Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-12-27

Abstract

The invention provides a travelling wheel driven grass mower which comprises an independent travelling wheel coaxial driving grass cutting device, a driving wheel, a transmission strip, a connecting plate, a toothed cylinder and a connecting frame, wherein the independent travelling wheel coaxial driving grass cutting device comprises a toothed travelling wheel, a mounting frame, an overrunning output shaft, a toothed driving wheel, a turning driving wheel, a transmission strip, a superposed gear, a guard plate, a fixed toothed cutter and a movable toothed cutter, one end of the connecting frame is fixedly connected to the mounting frame, one end of the connecting plate is fixedly connected to the mounting frame, the other end of the connecting plate is connected with the shaft of the toothed cylinder through a bearing, the transmission strip is connected between the driving wheel on the toothed cylinder and the driving wheel on the independent travelling wheel coaxial driving grass cutting device, and two ends of a grass scraping guide plate are fixedly connected to the upper portion of the mounting frame. The invention has the advantages of simple structure, low cost, smaller volume and higher operation reliability.

Description

Traveling wheel driven lawnmower

Technical Field

The invention belongs to the technical field of unpowered lawnmowers, and particularly relates to a traveling wheel driven lawnmower.

Background

At present, a common grass mower needs to be provided with a power device or connected with a power mechanism of a vehicle through a transmission part to run, so that the cost is high, and the composition or connection is complex; although the vehicle traction ploughshare can weed, the grass cutting is difficult to realize.

Patent CN2538129Y hand propelled trimming lawn machine, including support body (15), install universal wheel (14) on support body (15), install walking wheel (4), its characterized in that at the both ends of main shaft (5): be equipped with transmission case (1) on support body (15), main shaft (5) of transmission case (1) are power input shaft, vertical scroll (6) of transmission case (1) are power output shaft, be equipped with the multiple-blade of being connected with support body (15) and decide scissors (2) lieing in transmission case (1) front end, it decides scissors (2) matched with rotation scissors (3) to install with the multiple-blade at vertical scroll (6) lower extreme of transmission case (1), this patent technology will realize wideer grass cutting scope, need increase the multiple-blade of being connected with support body (15) and decide scissors (2), lead to the length increase of equipment, and during the turn, the walking wheel of one side drags ground etc. easily.

Disclosure of Invention

The invention aims to solve the problems and provide a travelling wheel driven lawnmower which is simple in structure, low in cost and smaller in size.

In order to achieve the purpose, the invention has the following technical scheme:

the invention provides a traveling wheel driven lawnmower, which comprises an independent traveling wheel coaxial driving lawnmower device, a driving wheel, a driving strip, a connecting plate, a tooth cylinder and a connecting frame, wherein the independent traveling wheel coaxial driving lawnmower device is arranged on the connecting plate;

one end of the connecting frame is fixedly connected to a mounting frame of the coaxial driving grass cutting device of the independent travelling wheel, the driving wheel is fixedly connected to a shaft at one end of the toothed cylinder and one end of a wheel shaft of the coaxial driving grass cutting device of the independent travelling wheel, one end of the connecting plate is fixedly connected to the mounting frame of the coaxial driving grass cutting device of the independent travelling wheel, the other end of the connecting plate is connected with the shaft of the toothed cylinder through a bearing, and the driving strip is connected between the driving wheel on the toothed cylinder and the driving wheel on the coaxial driving grass cutting device of the independent travelling wheel.

Preferably, the independent wheel coaxial drive grass cutting device comprises a tooth head wheel, a mounting frame, an overrunning output shaft, a tooth head transmission wheel, a turning transmission wheel, a transmission strip, a superposed gear, a guard plate, a fixed tooth cutter and a movable tooth cutter, wherein two ends and the bottom of the mounting frame are respectively provided with a hole, three transmission wheel shafts are arranged at the lower end of the inner part of the mounting frame, at least two tooth cutter joints are arranged at the lower end of the outer part of the mounting frame, the fixed tooth cutter is fixedly connected to the tooth cutter joints, the movable tooth cutter is movably connected to the tooth cutter joints and positioned above the fixed tooth cutter, the tooth head transmission wheel and the superposed gear are respectively arranged on the transmission wheel shafts at the two ends, the turning transmission wheel is connected to the transmission wheel shaft at the middle part of the mounting frame, the upper end of an eccentric shaft of the overrunning output shaft is connected to the hole at the bottom of the mounting frame through bearings, the lower end of the eccentric shaft is inserted into the hole at the middle part of the movable tooth cutter, the transmission strip is connected between the one-way transmission wheel and the tooth head transmission wheel and the turning transmission wheel, the one-way transmission wheel is connected to the two tooth head wheels are respectively meshed with the bevel wheel and the bevel wheel at the end of the mounting frame.

Preferably, the grass-scraping guide plate is further arranged, and two ends of the grass-scraping guide plate are fixedly connected to the upper portion of a mounting frame of the coaxial driving grass cutting device with the independent travelling wheels.

Due to the adoption of the technical scheme, the invention has the advantages that:

1. the two gear head traveling wheels can simultaneously or respectively and independently drive the movable gear cutter to move relative to the fixed gear cutter, so that the running reliability is higher;

2. the grass cutting serrated knife is arranged below the wheel shaft, so that the equipment is smaller in size;

3. when the grass mower is used, the grass mower is connected with driving equipment such as a vehicle and the like only through the connecting frame for grass cutting, and the operation is convenient.

Drawings

FIG. 1 is a schematic side view of an example 1 of a wheel-drive lawnmower according to an embodiment of the present invention;

FIG. 2 is a schematic top view of an example 2 of a wheel-driven lawnmower according to an embodiment of the present invention;

FIG. 3 is a schematic front view of a gear box with bearings and a driving wheel according to an embodiment of the present invention;

FIG. 4 is a schematic view of a grass scraping guide of an embodiment of the present invention;

FIG. 5 is a schematic illustration of a connection plate of an embodiment of the present invention;

FIG. 6 is a side view of an embodiment of the invention showing a lawnmower apparatus driven coaxially by independent wheels;

FIG. 7 is a schematic view of the invention from direction A of FIG. 6;

FIG. 8 is a schematic view of the invention in the direction A of FIG. 6 with the guard removed;

FIG. 9 is a schematic view of a mount provided by an embodiment of the present invention;

FIG. 10 is a schematic top view of a fixed tooth knife in accordance with an embodiment of the present invention;

FIG. 11 is a schematic top view of a moving-tooth knife in accordance with an embodiment of the present invention;

FIG. 12 is a schematic top view of a tooth head wheel according to an embodiment of the present invention;

FIG. 13 is a schematic representation of an overrunning output shaft of the illustrative embodiment of the present invention;

FIG. 14 is a schematic view of the invention from direction A of FIG. 13;

FIG. 15 is a schematic top view of an embodiment of the invention with the independent wheel coaxial drive lawnmower apparatus coupled to the frame;

fig. 16 is a front view of the invention of fig. 15.

In the figure: 1. a hole; 2. a groove; 3. a driving wheel; 4. a bearing; 5. a drive bar; 6. a one-way bearing; 10. the independent traveling wheels coaxially drive the grass cutting device; 11. a tooth head traveling wheel; 111. a wheel; 112. an axle; 113. umbrella teeth; 12. a mounting frame; 121. a frame body; 122. a serrated knife joint; 123. a drive axle; 13. an overrunning output shaft; 131. a one-way transmission wheel; 132. an eccentric shaft; 14. a tooth head transmission wheel; 15. a turning transmission wheel; 16. a fixed-tooth cutter; 17. a movable toothed cutter; 18. a guard plate; 19. overlapping the gears; 20. a connecting frame; 21. a frame body; 22. a connector; 30. a gear cylinder; 40. a connecting plate; 50. scrape grass baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the present invention is used to usually place, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1, 2, 3, 5, 6, 7, 15 and 16, the invention discloses a travelling wheel driven lawnmower which comprises an independent travelling wheel coaxial drive grass cutting device 10, a transmission wheel 3, a transmission bar 5, a connecting plate 40, a tooth cylinder 30 and a connecting frame 20;

one end of the connecting frame 20 is fixedly connected to the mounting frame 12 of the coaxial driving grass cutting device 10 of the independent travelling wheel, the driving wheel 3 is a belt wheel or a chain wheel, the driving wheel 3 is fixedly connected to a shaft at one end of the toothed cylinder 30 and a shaft of the coaxial driving grass cutting device 10 of the independent travelling wheel, one end of the connecting plate 40 is fixedly connected to the mounting frame 12 of the coaxial driving grass cutting device 10 of the independent travelling wheel, the other end of the connecting plate is connected with the shaft of the toothed cylinder 30 through a bearing 4, the driving strip 5 is a belt or a chain, and the driving strip 5 is connected between the driving wheel 3 on the toothed cylinder 30 and the driving wheel 3 on the coaxial driving grass cutting device 10 of the independent travelling wheel.

The specific embodiments will now be described as follows:

1. referring to fig. 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, the independent wheel feed coaxial driving grass cutting device 10 of the present invention includes a gear head wheel feed 11, a mounting frame 12, an overrunning output shaft 13, a gear head driving wheel 14, a direction-changing driving wheel 15, a driving strip 5, a superposed gear 19, a guard plate 18, a fixed cutter 16 and a movable cutter 17, wherein two ends and a bottom of a frame body 121 of the mounting frame 12 are respectively provided with a hole 1, three driving wheel shafts 123 are arranged at an inner lower end, at least two cutter joints 122 are arranged at an outer lower end, the fixed cutter 16 is fixedly connected to the cutter joints 122 by means of screws or rivets or welding, the movable cutter 17 is movably connected to the cutter joints 122 and positioned above the fixed cutter 16, the gear head driving wheel 14 is formed by coaxially connecting bevel teeth to a belt wheel or a sprocket, the superposed gear 19 is formed by coaxially connecting bevel teeth to a spur gear or a bevel gear, the eccentric shaft 121 is connected to the inner end of the eccentric shaft 121, the eccentric shaft 121 is connected to the eccentric shaft 121, the eccentric shaft 15, the eccentric shaft 121, the eccentric shaft 15 is connected to the unidirectional driving wheel shaft 131, and the bevel teeth 113 at the end parts of the two tooth head traveling wheels 11 are respectively meshed with the tooth head transmission wheel 14 and the superposed gear 19, and one surface of the guard plate 18 is fixedly connected to the frame body 121.

2. Referring to fig. 1, 4 and 6, the grass-scraping guide 50 of the present invention is fixedly connected at both ends to the upper portion of the mounting frame 12 of the coaxial driving lawnmower apparatus 10 with independent traveling wheels.

3. Referring to fig. 1, 2, 4, 6, 7 and 13, when the grass mower is used, the grass mower is connected with a driving device such as a vehicle through a connector 22 on a connecting frame 20, when the driving device such as the vehicle pushes or pulls an independent travelling wheel to coaxially drive the grass cutting device 10 through the connecting frame 20, the travelling wheel 11 on one side rolls to drive the travelling wheel 14 and further drive the overrunning output shaft 13 to rotate, the travelling wheel 11 on the other side rolls to drive the superposed gear 19, then the travelling wheels 11 on the two sides drive the overrunning output shaft 13 in the same direction through the direction-changing transmission wheel 15, finally the eccentric shaft 132 of the overrunning output shaft 13 drives the movable toothed cutter 17, and grass is cut in a reciprocating manner between the toothed cutter joint 122 and the fixed toothed cutter 16; the guard plate 18 of the invention can prevent weeds from entering the inside of the mounting frame 12, influence the transmission of driving force and guide higher weeds to be discharged from the upper end of the mounting frame 12; the gear head traveling wheel 11 of the invention can also drive the gear barrel 30 to rotate through a belt or a chain when rolling, so that higher grass is pushed into the gear cutter, the cut grass is pushed upwards to the grass scraping guide plate 50 along the guard plate 18, and finally the cut grass is discharged from the upper end of the mounting frame 12 to the rear of the mounting frame 12.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not exhaustive here for all embodiments. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.

Claims

1. A traveling wheel drive lawnmower, characterized in that: comprises an independent travelling wheel coaxial driving grass cutting device, a driving wheel, a driving strip, a connecting plate, a tooth cylinder and a connecting frame;

2. A wheel-drive lawnmower according to claim 1, wherein: the independent travelling wheel coaxial driving grass cutting device comprises a travelling wheel, a mounting frame, an overrunning output shaft, a travelling wheel, a turning transmission wheel, transmission bars, a superposed gear, a guard plate, a fixed serrated knife and a movable serrated knife, wherein two ends and the bottom of the mounting frame are respectively provided with a hole, three transmission wheel shafts are arranged at the lower end of the inner part of the mounting frame, at least two serrated knife joints are arranged at the lower end of the outer part of the mounting frame, the fixed serrated knife is fixedly connected to the serrated knife joints, the movable serrated knife is movably connected to the serrated knife joints and is positioned above the fixed serrated knife, the toothed transmission wheel and the superposed gear are respectively arranged on the transmission wheel shafts at the two ends, the turning transmission wheel is connected to the transmission wheel shaft at the middle part of the overrunning output shaft, the middle part of the eccentric shaft is connected to the hole at the bottom of the mounting frame through a bearing, the lower end of the eccentric shaft is inserted into the hole at the middle part of the movable knife, the transmission bars are connected between the unidirectional transmission wheel and the toothed transmission wheel, and between the turning transmission wheel, the two travelling wheel are respectively connected to the holes at the two end parts of the bevel wheels through bearings, and the bevel wheels are respectively meshed with the bevel wheels at the two ends of the two travelling wheels.

3. A wheel-drive lawnmower according to claim 1, wherein: and the grass scraping guide plate is also arranged, and two ends of the grass scraping guide plate are fixedly connected to the upper part of the mounting frame of the coaxial driving grass cutting device of the independent travelling wheel.