CN113016326B

CN113016326B - Robot-type sweeping mower

Info

Publication number: CN113016326B
Application number: CN202110251230.5A
Authority: CN
Inventors: 田路明; 曹玉芬; 董星光; 张莹; 齐丹; 霍宏亮; 徐家玉; 刘超
Original assignee: Fruit Tree Institute of CAAS
Current assignee: Fruit Tree Institute of CAAS
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2022-06-07
Anticipated expiration: 2041-03-08
Also published as: CN115136783A; CN113016326A; CN115136783B

Abstract

The invention discloses a sweeping robot type mower, relates to the technical field of gardening tools, and solves the problems that the existing mower is easy to scratch a trunk and inconvenient to use; the rear side of the top of the main frame body is fixedly connected with a group of handles through welding; the rear side of the main frame body is embedded with two storage boxes; a motor is embedded and mounted on the inner sides of the bottoms of the three motor fixing seats; the bottom of a rotating shaft of the motor is fixedly connected with a group of blades; the outer sides of the first knife rest and the second knife rest are fixedly connected with two guide bent rods. When this device the place ahead has the trunk and need mow around the trunk, the interval between two blades of a knife rest and No. two knife rest bottoms just can widen to weed to the trunk both sides, because keep away the barrier runner diameter great moreover, so can effectively avoid the blade fish tail trunk, also can adapt to the trunk with different thicknesses simultaneously, it is safe convenient more when the weeds around the trunk is clear.

Description

Robot-type sweeping mower

Technical Field

The invention relates to the technical field of gardening tools, in particular to a sweeping robot type mower.

Background

The mower, also called lawn mower, is composed of a cutter head, an engine, a traveling wheel, a traveling mechanism, a blade, a handrail and a control part. The device consists of a parallel four-bar lifting device, a frame, a left single-wing weeding device, a right single-wing weeding device, a whole machine deviation adjusting device, a comb tooth rotating conical gear speed-increasing transmission mechanism and a comb tooth profiling depth adjusting device; the efficiency is improved by 8 to 10 times compared with the manual weeding, the seedling injury rate is low, and the seedling removing and cleaning rate is high.

For example, patent application No. 201510224942.2, discloses a lawn mower comprising: a cutting element for mowing the grass, a motor for driving the cutting element to rotate, a housing for accommodating the motor, and a handle device for a user to operate the mower; wherein, handle device includes: a handle portion for being held by a user, a connecting portion extending substantially along a first straight line direction, and a first operation piece having a holding portion for being held by a user; the first operating member rotates relative to the handle portion about a first axis that is parallel to the connecting portion. The mower of the invention is provided with a novel handle device which is convenient for users to operate.

Based on the above, the weeding structures of the existing lawn mowers are all one blade, the weeding efficiency is low, a trunk is arranged in a weeding field, and when weeds around the trunk need to be cut off, the blades are very easy to contact the outer wall of the trunk when rotating at a high speed, so that the trunk is scratched, careful wings are needed when the weeds around the trunk are cut off, and the operation is very inconvenient; therefore, the existing requirements are not met, and a sweeping robot type mower is provided for the existing requirements.

Disclosure of Invention

The invention aims to provide a sweeping robot type mower, which solves the problems that the existing mower provided by the background technology has a single weeding structure, the weeding efficiency is low, a trunk exists in a weeding field, and when weeds around the trunk need to be cut off, the blades are easy to contact the outer wall of the trunk when rotating at a high speed to scratch the trunk, so that careless wings are needed when the weeds around the trunk are cut off, and the operation is very inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a sweeping robot type mower comprises a main frame body; the rear side of the top of the main frame body is fixedly connected with a group of handles through welding; the rear side of the main frame body is embedded with two storage boxes; the two sides of the bottom of the main frame body are rotatably provided with four idler wheels; the middle position of the front side of the main frame body is fixedly connected with a fixed tool rest through welding; the front side of the fixed tool rest is fixedly connected with a main support rod through three connecting rods; the outer side of the main support rod is rotatably connected with two groups of four support arms, the other end of one group of support arms on the left side is fixedly connected with a first tool rest, and the other end of one group of support arms on the right side is fixedly connected with a second tool rest; the outer side of the main support rod is also fixedly provided with four torsion springs; two obstacle avoidance rotating wheels are rotatably arranged on the outer sides of the first tool rest and the second tool rest; the bottoms of the fixed tool rest, the first tool rest and the second tool rest are fixedly connected with a motor fixing seat; a motor is embedded and mounted on the inner sides of the bottoms of the three motor fixing seats; the bottom of a rotating shaft of the motor is fixedly connected with a group of blades; the outer sides of the first knife rest and the second knife rest are fixedly connected with two guide bent rods, and the guide bent rods penetrate through the fixed knife rest and extend outwards from the other side of the fixed knife rest.

Preferably, one end of the supporting arm is a circular ring, and the circular ring can horizontally rotate outside the main supporting rod, so that the first tool rest and the second tool rest can rotate outside the main supporting rod.

Preferably, the support arms are divided into two groups of four support arms, the two groups of support arms are arranged in a vertically staggered mode, the four torsion springs are arranged below circular rings at one ends of the four support arms respectively, one ends of the torsion springs are fixedly connected with the bottoms of the support arms, and the other ends of the torsion springs are fixedly connected with the outer sides of the main support rods.

Preferably, the guide bent rods on the outer sides of the first knife rest and the second knife rest are both arc-shaped structures, and the circle centers of the guide bent rods and the circle centers of the main support rods are located on the same vertical line.

Preferably, the one end of direction knee all is fixed and is provided with a thick plectane, and the torsional spring promotes a knife rest and No. two knife rests and rotates to the forefront back, and the thick plectane of direction knee one end can with the fixed knife rest outside in close contact with.

Preferably, after the first tool rest and the second tool rest rotate to the forefront, the fixed tool rests, the first tool rest and the second tool rest are arranged on the outer side of the main support rod in an annular array at equal intervals.

Preferably, the obstacle avoidance rotating wheel can rotate on the outer sides of the first tool rest and the second tool rest respectively, and the diameter of the obstacle avoidance rotating wheel is larger than the maximum diameter of the blade.

Preferably, when the supporting arms on one sides of the first knife rest and the second knife rest rotate to be parallel to the left square cross rod and the right square cross rod of the main frame body, the blades at the bottoms of the first knife rest and the second knife rest cannot contact the two sides of the main frame body.

Compared with the prior art, the invention has the beneficial effects that:

three blade mow simultaneously when using this device to weed, the efficiency of mowing will improve greatly, when this device the place ahead has the trunk and need mow around the trunk, aim at the trunk and promote forward this device the place ahead intermediate position, the obstacle-avoiding runner in a knife rest and No. two knife rest outsides can contact the trunk outer wall earlier this moment, at this moment continue to promote this device and keep away the obstacle runner and can drive a knife rest and No. two knife rest backward side rotation respectively, interval between two blades of a knife rest and No. two knife rest bottoms just can widen like this, thereby weed the trunk both sides, and because it is great to keep away the obstacle runner diameter, so can effectively avoid the blade trunk fish tail, also can adapt to the trunk with different thicknesses simultaneously, it is safer convenient when the weeds around the trunk is clear.

Drawings

FIG. 1 is a schematic front axial side view of the first and second tool holders of the present invention rotated to the front and back;

FIG. 2 is a schematic view of the rear axle side of the first and second tool holders of the present invention rotated to the foremost position;

FIG. 3 is a schematic top view of the first and second tool holders of the present invention rotated to the foremost position;

FIG. 4 is a schematic side view of the front axle of the first and second tool holders of the present invention after they are rotated backward;

FIG. 5 is a schematic side view of the assembled front axle of the main frame, stationary blade carrier and main support rods of the present invention;

FIG. 6 is a schematic side view of the front axle of the first tool holder of the present invention after assembly on the main support bar;

FIG. 7 is a schematic bottom view of the first tool holder of the present invention after being assembled to the main support bar;

in the figure: 1. a main frame body; 2. a handle; 3. a storage box; 4. a roller; 5. fixing a tool rest; 6. a connecting rod; 7. a main support bar; 8. a support arm; 9. a first tool rest; 10. an obstacle avoidance rotating wheel; 11. a motor fixing seat; 12. a motor; 13. a blade; 14. a second tool rest; 15. a torsion spring; 16. and (5) guiding the bent rod.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention includes: a sweeping robot type mower comprises a main frame body 1; the rear side of the top of the main frame body 1 is fixedly connected with a group of handles 2 through welding; the rear side of the main frame body 1 is embedded with two storage boxes 3; the two sides of the bottom of the main frame body 1 are rotatably provided with four rollers 4; the middle position of the front side of the main frame body 1 is fixedly connected with a fixed tool rest 5 through welding; the front side of the fixed knife rest 5 is fixedly connected with a main supporting rod 7 through three connecting rods 6; the outer side of the main support rod 7 is rotatably connected with two groups of four support arms 8, the other end of one group of support arms 8 on the left side is fixedly connected with a first tool rest 9, and the other end of one group of support arms 8 on the right side is fixedly connected with a second tool rest 14; the guide bent rods 16 on the outer sides of the first tool rest 9 and the second tool rest 14 are both arc-shaped structures, the circle centers of the guide bent rods 16 and the circle center of the main support rod 7 are located on the same vertical line, and the guide bent rods 16 can play a stable supporting role when the first tool rest 9 and the second tool rest 14 rotate; after the first tool rest 9 and the second tool rest 14 rotate to the forefront, the fixed tool rests 5, the first tool rest 9 and the second tool rest 14 are arranged on the outer side of the main support rod 7 in an annular array at equal intervals; four torsion springs 15 are fixedly arranged on the outer side of the main support rod 7; two obstacle avoidance rotating wheels 10 are rotatably arranged on the outer sides of the first tool rest 9 and the second tool rest 14; the obstacle avoidance rotating wheel 10 can rotate on the outer sides of the first knife rest 9 and the second knife rest 14 respectively, and the diameter of the obstacle avoidance rotating wheel 10 is larger than the maximum diameter of the blade 13, so that the blade 13 can be effectively prevented from scratching the trunk; the bottoms of the fixed knife rest 5, the first knife rest 9 and the second knife rest 14 are fixedly connected with a motor fixing seat 11; the inner sides of the bottoms of the three motor fixing seats 11 are respectively embedded with a motor 12; the bottom of a rotating shaft of the motor 12 is fixedly connected with a group of blades 13; two guiding bent rods 16 are fixedly connected to the outer sides of the first tool rest 9 and the second tool rest 14, and the guiding bent rods 16 penetrate through the fixed tool rest 5 and extend outwards from the other side of the fixed tool rest 5.

Further, 8 one ends of support arms are a ring, and this ring homoenergetic is at main tributary vaulting pole 7 outside horizontal rotation, thereby can make a knife rest 9 and No. two knife rests 14 rotatory in main tributary vaulting pole 7 outside, when this device the place ahead has the trunk and need mow around the trunk, aim at the trunk and promote forward this device the place ahead intermediate position, the obstacle avoidance runner 10 in the place ahead of this time knife rest 9 and No. two knife rests 14 outside can contact the trunk outer wall earlier, continue to promote this device obstacle avoidance runner 10 at this moment and can drive a knife rest 9 and No. two knife rests 14 respectively and rotate to the rear side, the interval between two blades 13 of a knife rest 9 like this and No. two knife rests 14 bottom just can widen, thereby weed the trunk both sides.

Further, support arm 8 divide into two sets of totally four, and two sets of support arms 8 crisscross setting from top to bottom, and four torsional springs 15 set up respectively in the below of the 8 one end rings of four support arms, and 15 one ends of torsional spring and 8 bottom fixed connection of support arm, the 15 other ends of torsional spring and 7 outside fixed connection of main tributary vaulting poles, and 15 can drive support arm 8 rotations in the place ahead of support arm to make a knife rest 9 and No. two knife rests 14 rotate in the place ahead.

Further, the one end of direction knee 16 is all fixed and is provided with a thick plectane, and torsional spring 15 promotes a knife rest 9 and No. two knife rests 14 and rotates the forefront back, and the thick plectane of direction knee 16 one end can with the 5 outside in close contact with of fixed knife rest, and the thick plectane of direction knee 16 one end can play limiting displacement, avoids a knife rest 9 and No. two knife rests 14 to rotate excessively forward.

Further, when the supporting arms 8 on one sides of the first knife rest 9 and the second knife rest 14 rotate to be parallel to the left square cross bar and the right square cross bar of the main frame body 1, the blades 13 at the bottoms of the first knife rest 9 and the second knife rest 14 still cannot contact the two sides of the main frame body 1, and damage caused by collision between the blades 13 and the main frame body 1 is avoided.

The working principle is as follows: when the device is used for mowing, firstly, some auxiliary weeding tools can be placed in the idle storage box 3, then the three motors 12 are started through the controller, at the moment, the three motors 12 can drive the three blades 13 to rotate at a high speed, then the handle 2 is held by hands and the device is pushed to move for mowing, the three blades 13 simultaneously mow, the mowing efficiency is greatly improved, when a trunk is in front of the device and the periphery of the trunk needs to be mowed, the front middle position of the device is aligned with the trunk and pushed forwards, at the moment, the obstacle avoiding rotating wheels 10 on the outer sides of the first knife rest 9 and the second knife rest 14 firstly contact the outer wall of the trunk, at the moment, the obstacle avoiding rotating wheels 10 are continuously pushed to drive the first knife rest 9 and the second knife rest 14 to rotate backwards, spacing between two blades 13 of a knife rest 9 and No. two knife rest 14 bottoms just can widen like this to weed the trunk both sides, and because it is great to keep away barrier runner 10 diameter, so can effectively avoid blade 13 fish tail trunk, also can adapt to the trunk with different thicknesses simultaneously, it is safer convenient when the weeds around the trunk is clear, after this device is putd aside from the trunk outside, torsional spring 15 can promote a knife rest 9 and No. two knife rest 14 and rotate to the forefront, thereby make this device resume normal mowing state.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lawn mower of robot formula of sweeping floor which characterized in that: comprises a main frame body (1); the rear side of the top of the main frame body (1) is fixedly connected with a group of handles (2) through welding; the rear side of the main frame body (1) is embedded with two storage boxes (3); the two sides of the bottom of the main frame body (1) are rotatably provided with four rollers (4); the middle position of the front side of the main frame body (1) is fixedly connected with a fixed tool rest (5) through welding; the front side of the fixed tool rest (5) is fixedly connected with a main support rod (7) through three connecting rods (6); the outer side of the main support rod (7) is rotatably connected with two groups of four support arms (8), the other end of one group of the support arms (8) on the left side is fixedly connected with a first tool rest (9), and the other end of one group of the support arms (8) on the right side is fixedly connected with a second tool rest (14); four torsion springs (15) are fixedly arranged on the outer side of the main support rod (7); two obstacle avoidance rotating wheels (10) are rotatably arranged on the outer sides of the first knife rest (9) and the second knife rest (14); the bottoms of the fixed tool rest (5), the first tool rest (9) and the second tool rest (14) are fixedly connected with a motor fixing seat (11); the inner sides of the bottoms of the three motor fixing seats (11) are respectively embedded with a motor (12); the bottom of a rotating shaft of the motor (12) is fixedly connected with a group of blades (13); the outer sides of the first tool rest (9) and the second tool rest (14) are fixedly connected with two guide bent rods (16), and the guide bent rods (16) penetrate through the fixed tool rest (5) and extend outwards from the other side of the fixed tool rest (5); one end of the supporting arm (8) is a circular ring, and the circular ring can horizontally rotate on the outer side of the main supporting rod (7), so that the first tool rest (9) and the second tool rest (14) can rotate on the outer side of the main supporting rod (7); the support arms (8) are divided into two groups of four, the two groups of support arms (8) are arranged in a vertically staggered manner, four torsion springs (15) are respectively arranged below a circular ring at one end of each of the four support arms (8), one end of each torsion spring (15) is fixedly connected with the bottom of each support arm (8), and the other end of each torsion spring (15) is fixedly connected with the outer side of each main support rod (7); the guide bent rods (16) on the outer sides of the first tool rest (9) and the second tool rest (14) are both arc-shaped structures, and the circle centers of the guide bent rods (16) and the circle centers of the main support rods (7) are positioned on the same vertical line; one end of each guide bent rod (16) is fixedly provided with a thick circular plate, and after the torsion spring (15) pushes the first tool rest (9) and the second tool rest (14) to rotate to the forefront, the thick circular plate at one end of each guide bent rod (16) can be in close contact with the outer side of the fixed tool rest (5); after the first tool rest (9) and the second tool rest (14) rotate to the forefront, the fixed tool rest (5), the first tool rest (9) and the second tool rest (14) are arranged on the outer side of the main support rod (7) in an annular array at equal intervals; when the supporting arms (8) on one sides of the first knife rest (9) and the second knife rest (14) rotate to be parallel to the left square cross bar and the right square cross bar of the main frame body (1), the blades (13) at the bottoms of the first knife rest (9) and the second knife rest (14) cannot contact with the two sides of the main frame body (1).

2. A sweeping robot type mower as claimed in claim 1 wherein: the obstacle avoidance rotating wheel (10) can rotate on the outer sides of the first tool rest (9) and the second tool rest (14) respectively, and the diameter of the obstacle avoidance rotating wheel (10) is larger than the maximum diameter of the blade (13).