CN219719114U - Grass mower robot - Google Patents

Abstract

The utility model relates to a grass cutting robot, which comprises a vehicle body part and a grass cutting part, wherein the travelling wheels are fixedly arranged on two sides of the rear end part of a vehicle shell; the grass cutting part is arranged at the front end part of the vehicle body part through a movable shaft assembly; the grass cutting component comprises a grass cutting shell, a grass cutting assembly and a grass collecting plate assembly, a pair of grass cutting assemblies are arranged in the grass cutting shell, and the grass collecting plate assembly is arranged at the front end part of the grass cutting shell; the grass cutting assembly comprises rotating arms, push rods and grass cutting units, one end part of each rotating arm is hinged in the grass cutting shell through a vertical shaft, the grass cutting units are arranged at the other cantilever end parts of the rotating arms, and the rotating arms push the rotating arms to swing around the vertical shafts through the push rods. The two grass cutting assemblies of the grass cutting robot are geometrically symmetrically arranged, the working range of the two grass cutting assemblies can be adjusted through the rotating arm, the flexibility is high, and the pruning efficiency is effectively improved.

Description

Grass mower robot

Technical Field

The utility model belongs to the field of lawn maintenance equipment, and relates to a grass mower robot.

Background

Lawns are widely used in residential areas, parks and public places, and trimming of lawns is an important task in the maintenance of lawns. Lawn mowing refers to the process of cutting out excessively long grass stems and leaves on a lawn by using tools such as a lawnmower, and along with the continuous development of technology, lawnmowers are gradually developed and applied to lawn maintenance and mowing work.

Although the traditional grass cutting robot has the functions of moving and cutting grass, the traditional grass cutting robot still has the following problems:

1. the working range of the traditional grass mower robot blade is fixed, cannot be adjusted, and has low pruning efficiency and poor flexibility;

2. the grass cutting part of the traditional grass cutting robot is fixedly connected with the vehicle body, and if the grass cutting part encounters the fluctuation of the lawn ground, the grass cutting part frequently idles or overturns in situ.

To this end, we propose a lawnmower robot to solve the above problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the grass mower robot with strong flexibility and wide application range.

In order to solve the problems, the technical scheme of the utility model is as follows:

the grass cutting robot comprises a vehicle body part and a grass cutting part, wherein the vehicle body part comprises a vehicle shell, travelling wheels and steering wheels, the steering wheels are arranged on two sides of the front end part of the vehicle shell, and the travelling wheels are fixedly arranged on two sides of the rear end part of the vehicle shell; the grass cutting part is arranged at the front end part of the vehicle body part through a movable shaft assembly;

the grass cutting component comprises a grass cutting shell, a grass cutting assembly and a grass collecting plate assembly, a pair of grass cutting assemblies are arranged in the grass cutting shell, and the grass collecting plate assembly is arranged at the front end part of the grass cutting shell;

the grass cutting assembly comprises rotating arms, push rods and grass cutting units, one end part of each rotating arm is hinged in the grass cutting shell through a vertical shaft, the grass cutting units are arranged at the other cantilever end parts of the rotating arms, and the rotating arms push the rotating arms to swing around the vertical shafts through the push rods.

In a further embodiment, the two vertical shafts are respectively and symmetrically and fixedly arranged on a fixed seat in the grass cutting shell, and the two rotating arms respectively hinged on the two vertical shafts are symmetrically arranged along the fixed seat in a geometric center.

In a further embodiment, the grass gathering plate assembly comprises a first grass gathering plate, a second grass gathering plate and a connecting rod which are symmetrically arranged, one end part of the first grass gathering plate is fixedly arranged on the rotating arm of the grass cutting assembly positioned at the front side, and the first grass gathering plate is driven to swing through the rotating arm;

the middle part of the second grass gathering plate is hinged in the grass cutting shell through a hinge shaft, one end part of the connecting rod is arranged on a connecting shaft fixedly arranged at the rear end part of the second grass gathering plate, the other end part of the connecting rod is hinged with the rotating arm, and the second grass gathering plate is driven to swing through the rotating arm.

In a further embodiment, the movable shaft assembly comprises a first movable shaft and a second movable shaft, wherein the first movable shaft is transversely arranged, one end of the first movable shaft is movably installed in a first installation seat, the other end of the first movable shaft is fixedly installed in a connecting seat, the second movable shaft is vertically and fixedly installed in the connecting seat, and two ends of the second movable shaft are respectively movably installed in a second installation seat;

the first mounting seat is fixedly mounted at the front end part of the vehicle shell, and the connecting seat and the two second mounting seats are fixedly mounted at the rear end part of the grass cutting shell.

In a further embodiment, lateral stoppers are fixedly mounted on two sides of the rear end portion of the grass cutting housing, and limit grooves corresponding to the lateral stoppers are formed on two sides of the front end portion of the vehicle housing.

In a further embodiment, the grass cutting unit includes a grass cutting motor and a rotary blade mounted at a cantilever end of the rotary arm and driven by the grass cutting motor.

In a further embodiment, a lithium battery is fixedly mounted in the vehicle housing.

In a further embodiment, a wheel motor R and a wheel motor L are symmetrically and fixedly installed at two sides of the rear end of the vehicle shell, and the wheel motor R and the wheel motor L are respectively connected with the travelling wheels.

In a further embodiment, a direct-current steering engine is fixedly mounted at the front end part of the vehicle shell, and the direct-current steering engine is connected with two steering wheels.

In a further embodiment, a plurality of support rods are fixedly arranged in the vehicle shell at intervals along the edge.

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

1. the grass cutting robot is provided with the pair of grass cutting assemblies, the two grass cutting assemblies are arranged in a geometrically symmetrical mode, the two grass cutting assemblies can work independently and also can work simultaneously, the working range of the two grass cutting assemblies can be adjusted through the rotating arm, the flexibility is high, and the trimming efficiency is effectively improved.

2. The grass cutting part of the grass cutting robot is movably connected with the vehicle body part through the movable shaft assembly, so that the grass cutting part can swing left and right and up and down relative to the vehicle body part, the bottom of the grass cutting robot is more attached to the ground and smoothly passes through the high and low uneven lawns, and the car turning accident is prevented.

3. The grass collecting plate component of the grass mower robot can be adjusted in opening and closing degree, is wide in application range, and is in linkage with the grass cutting component, ingenious in conception, simple in structure and low in cost.

4. The utility model has scientific and reasonable design and ingenious conception, the grass cutting part can be adjusted in two dimensions relative to the vehicle body, the work is stable and reliable, the trimming efficiency is high, and the utility model has wide popularization and application values.

Drawings

FIG. 1 is a schematic illustration of the profile of a lawnmower robot;

FIG. 2 is a schematic view of a body component of the lawnmower robot;

FIG. 3 is a schematic view of a grass cutting part of a grass cutting robot;

FIG. 4 is a schematic view of a grass cutting assembly of the grass cutting robot;

FIG. 5 is a schematic view of a grass gathering plate assembly of the grass cutting robot;

fig. 6 is a schematic view of a movable shaft assembly of the lawnmower robot.

In the figure: 1. a vehicle body member; 11. a vehicle housing; 12. steering the wheels; 13. a traveling wheel; 2. a grass cutting part; 21. a grass cutting shell; 22. a grass cutting assembly; 221. a vertical shaft; 222. a rotating arm; 223. a push rod; 224. a grass cutting unit; 2241. a grass cutting motor; 2242. a rotary blade; 23. a grass gathering plate assembly; 231. a first grass gathering plate; 232. a second grass gathering plate; 233. a connecting rod; 234. a connecting shaft; 235. a rotary piece; 236. a hinge shaft; 24. a fixing seat; 3. a movable shaft assembly; 31. a first movable shaft; 32. a second movable shaft; 33. a first mount; 34. a connecting seat; 35. a second mounting base; 36. a lateral stop; 37. a limit groove; 4. a support rod; 5. a direct current steering engine; 6. a lithium battery; 7. wheel motor R; 8. wheel motor L.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Example 1:

a grass cutting robot, as shown in fig. 1, comprises a grass cutting part 2 and a vehicle body part 1, wherein the grass cutting part 2 is arranged at the front end part of the vehicle body part 1 through a movable shaft assembly 3; the vehicle body member 1 includes a vehicle housing 11, traveling wheels 13, and steering wheels 12, the steering wheels 12 are mounted on both sides of a front end portion of the vehicle housing 11, and the traveling wheels 13 are mounted on both sides of a rear end portion of the vehicle housing 11.

As shown in fig. 2, a lithium battery 6 is fixedly installed in the vehicle housing 11, and is used for providing power; a wheel motor R7 and a wheel motor L8 with the model MD36 are symmetrically and fixedly arranged at two sides of the rear end part of the vehicle shell 11, and the wheel motor R7 and the wheel motor L8 are respectively connected with the travelling wheels 13 so as to drive the lawnmower robot to advance; the front end part of the vehicle shell 11 is fixedly provided with a direct-current steering engine 5 with a model MG996, the direct-current steering engine 5 is connected with two steering wheels 12, and simultaneously the two steering wheels 12 are controlled to finish steering; a plurality of support rods 4 are arranged in the vehicle shell 11 at intervals along the edge, and the upper end and the lower end of each support rod 4 are respectively fixedly arranged on the upper side surface and the lower side surface of the vehicle shell 11 to strengthen the structure of the vehicle shell 11; the number of the support rods 4 in fig. 2 is five; vertical limit grooves 37 are formed in the left side and the right side of the front end portion of the vehicle shell 11.

As shown in fig. 3, the grass cutting part 2 is in an octagonal structure, the grass cutting part 2 comprises a grass cutting shell 21, a grass cutting assembly 22 and a grass collecting plate assembly 23, a fixing seat 24 is fixedly arranged in the grass cutting shell 21, the fixing seat 24 is in a straight line structure and is perpendicular to the grass cutting direction, vertical shafts 221 are respectively and fixedly arranged at the left end and the right end of the fixing seat 24, the grass cutting assembly 22 is respectively and fixedly arranged on the two vertical shafts 221, the two grass cutting assemblies 22 hinged on the vertical shafts 221 are arranged in geometric center symmetry along the fixing seat 24, and the projection parts of the trimming coverage areas of the two grass cutting assemblies 22 are overlapped in the perpendicular direction of the robot movement so as to avoid middle part missing; the grass collecting plate assembly 23 is fixedly arranged on the grass cutting assembly 22 positioned in front.

As shown in fig. 4, the grass cutting assembly 22 includes a rotating arm 222, a push rod 223 and a grass cutting unit 224, one end of each rotating arm 222 is hinged in the grass cutting housing 21 through a vertical shaft 221, the other cantilever end of the rotating arm 222 is fixedly provided with the grass cutting unit 224, and the rotating arm 222 has a structure similar to a trapezoid; the movable end of the push rod 223 is fixedly arranged on the rotary arm 222, the fixed end of the push rod 223 is fixedly arranged in the grass cutting shell 21, and the rotary arm 222 drives the push rod 223 to swing around the vertical shaft 221; the grass cutting unit 224 includes a grass cutting motor 2241 and a rotary blade 2242, and the rotary blade 2242 is mounted at a cantilever end of the rotary arm 222 and driven by the grass cutting motor 2241.

As shown in fig. 5, the grass gathering plate assembly 23 includes a first grass gathering plate 231, a second grass gathering plate 232, and a connecting rod 233 that are symmetrically disposed, wherein one end of the first grass gathering plate 231 is fixedly mounted on the rotating arm 222 of the grass cutting assembly 22 that is located at the front side, and the rotating arm 222 drives the first grass gathering plate 231 to swing;

the second grass gathering plate 232 is hinged in the grass cutting shell 21 through a hinge shaft 236, one end of the connecting rod 233 is mounted on a connecting shaft 234 fixedly mounted at the rear end of the second grass gathering plate 232, the other end of the connecting rod 233 is hinged with the rotating arm 222, one end of a rotating plate 235 is fixedly mounted on the connecting shaft 234, the other end of the rotating plate 235 is fixedly mounted at the middle end of the second grass gathering plate 232, the rotating plate 235 is of a middle bent sheet structure, the hinge shaft 236 is positioned at the inner side of the rotating plate 235 and fixedly mounted on the grass cutting shell 21, and the first grass gathering plate 231 and the second grass gathering plate 232 can swing to open and close through the cooperation of the connecting rod 233, the connecting shaft 234, the rotating plate 235 and the hinge shaft 236, so that the grass cutting range is adjusted.

The grass cutting assembly 22 rotates around the vertical shaft 221 under the action of the push rod 223, and the change range of the included angle between the rotating arm 222 and the fixed seat 24 in the rotating process is 30-150 degrees; the two grass cutting assemblies 22 have the same trimming height and do not interfere with each other during operation.

As shown in fig. 6, the movable shaft assembly 3 includes a first movable shaft 31 and a second movable shaft 32, where the first movable shaft 31 is disposed transversely and one end of the first movable shaft is movably mounted in a first mounting seat 33, and a bearing is fixedly mounted in the first mounting seat 33, so that the grass cutting component 2 can swing left and right; the other end part of the first movable shaft 31 is fixedly arranged in a connecting seat 34, the second movable shaft 32 is vertically and fixedly arranged in the connecting seat 34, the two ends of the second movable shaft 32 are respectively and movably arranged in a second mounting seat 35, and a bearing is fixedly arranged in the second mounting seat 35, so that the grass cutting part 2 can swing up and down;

the first mounting seat 33 is fixedly mounted at the front end part of the vehicle housing 11, and the connecting seat 34, the second movable shaft 32 and the two second mounting seats 35 are fixedly mounted at the rear end part of the grass cutting housing 21; lateral stoppers 36 are fixedly mounted on two sides of the rear end portion of the grass cutting housing 21, and the lateral stoppers 36 are positioned in the limit grooves 37 on the vehicle body part 1, so that the excessive swing amplitude of the grass cutting part 2 is avoided.

The working principle of the utility model is as follows: in the working process of the grass cutting robot, when each side of the part where the grass is not cut is longer than 10 times of the width of the robot, the positions of the two grass cutting assemblies 22 are stretched and adjusted through the push rods 223 so as to enlarge the cutting amplitude; when the width of the uncut part of the lawn is smaller than the width of the robot, the positions of the two grass cutting assemblies 22 are adjusted to reduce the trimming amplitude; the trimming areas of the two scissor assemblies 22 are kept partially coincident as the positions of the two scissor assemblies 22 are adjusted.

When the grass cutting robot encounters uneven ground, the grass cutting part 2 can swing up and down and left and right through the movable shaft assembly 3, so that the height of the grass cutting part 2 from the ground is kept consistent, the trimmed lawn is smoother and more attractive, and meanwhile, the occurrence of a rollover accident is prevented.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a grass cutting robot, includes automobile body part (1), automobile body part (1) include car casing (11), marcing wheel (13) and turn to wheel (12), install in the front end both sides of car casing (11) turn to wheel (12), the rear end both sides of car casing (11) fixed mounting have marcing wheel (13), its characterized in that: the novel grass cutting machine also comprises a grass cutting component (2), wherein the grass cutting component (2) is arranged at the front end part of the car body component (1) through a movable shaft assembly (3);

the grass cutting component (2) comprises a grass cutting shell (21), a grass cutting assembly (22) and a grass collecting plate assembly (23), a pair of grass cutting assemblies (22) are arranged in the grass cutting shell (21), and the grass collecting plate assembly (23) is arranged at the front end part of the grass cutting shell (21);

the grass cutting assembly (22) comprises rotating arms (222), push rods (223) and grass cutting units (224), one end portion of each rotating arm (222) is hinged in the grass cutting shell (21) through a vertical shaft (221), the grass cutting units (224) are mounted at the other cantilever end portion of each rotating arm (222), and the rotating arms (222) push the rotating arms to swing around the vertical shafts (221) through the push rods (223).

2. A lawnmower robot according to claim 1, wherein: the two vertical shafts (221) are symmetrically and fixedly arranged on a fixed seat (24) in the grass cutting shell (21), and two rotating arms (222) hinged to the two vertical shafts (221) are symmetrically arranged along the fixed seat (24) in a geometric center.

3. A lawnmower robot according to claim 1 or 2, wherein: the grass gathering plate assembly (23) comprises a first grass gathering plate (231), a second grass gathering plate (232) and a connecting rod (233) which are symmetrically arranged, one end part of the first grass gathering plate (231) is fixedly arranged on the rotating arm (222) of the grass cutting assembly (22) positioned at the front side, and the rotating arm (222) drives the first grass gathering plate (231) to swing;

the middle part of the second grass gathering plate (232) is hinged in the grass cutting shell (21) through a hinge shaft (236), one end part of a connecting rod (233) is arranged on a connecting shaft (234) fixedly arranged at the rear end part of the second grass gathering plate (232), the other end part of the connecting rod (233) is hinged with the rotating arm (222), and the second grass gathering plate (232) is driven to swing through the rotating arm (222).

4. A lawnmower robot according to claim 1 or 2, wherein: the movable shaft assembly (3) comprises a first movable shaft (31) and a second movable shaft (32), the first movable shaft (31) is transversely arranged, one end of the first movable shaft is movably arranged in a first mounting seat (33), the other end of the first movable shaft (31) is fixedly arranged in a connecting seat (34), the second movable shaft (32) is vertically and fixedly arranged in the connecting seat (34), and two ends of the second movable shaft (32) are respectively movably arranged in a second mounting seat (35);

the first mounting seat (33) is fixedly mounted at the front end part of the vehicle shell (11), and the connecting seat (34) and the two second mounting seats (35) are fixedly mounted at the rear end part of the grass cutting shell (21).

5. A lawnmower robot according to claim 1 or 2, wherein: lateral stop blocks (36) are fixedly arranged on two sides of the rear end part of the grass cutting shell (21), and limit grooves (37) corresponding to the lateral stop blocks (36) are formed on two sides of the front end part of the vehicle shell (11).

6. A lawnmower robot according to claim 1 or 2, wherein: the grass cutting unit (224) comprises a grass cutting motor (2241) and a rotary blade (2242), wherein the rotary blade (2242) is installed at the cantilever end of the rotary arm (222) and is driven by the grass cutting motor (2241).

7. A lawnmower robot according to claim 1 or 2, wherein: a lithium battery (6) is fixedly arranged in the vehicle shell (11).

8. A lawnmower robot according to claim 1 or 2, wherein: wheel motor R (7) and wheel motor L (8) are symmetrically and fixedly arranged on two sides of the rear end part of the vehicle shell (11), and the wheel motor R (7) and the wheel motor L (8) are respectively connected with the travelling wheels (13).

9. A lawnmower robot according to claim 1 or 2, wherein: the front end part of the vehicle shell (11) is fixedly provided with a direct-current steering engine (5), and the direct-current steering engine (5) is connected with two steering wheels (12).

10. A lawnmower robot according to claim 1 or 2, wherein: a plurality of support rods (4) are fixedly arranged in the vehicle shell (11) at intervals along the edge.