CN210298560U - Automatic trimming machine for new energy lawn - Google Patents

Abstract

The technology relates to the field of garden machinery, and provides an automatic trimmer for a new energy lawn, wherein solar energy is converted into electric energy to serve as an energy source, and when the lawn is trimmed, the trimming height can be automatically adjusted, the lawn is trimmed, grass residues are crushed into grass, and the grass fragments are stored in a grass collecting box; including setting up the working chamber in the automobile body, the setting is used for pruning the lawn grass after the automatically regulated pruning height at the working chamber, rely on self produced wind-force to carry the automatic trimming mechanism to automatic grass conveying mechanism with sediment grass, an automatic grass conveying mechanism for carrying the sediment grass that automatic trimming mechanism carried to automatic grass crushing mechanism, an automatic grass crushing mechanism for forming the broken grass with the sediment grass breakage that automatic grass conveying mechanism carried and carrying the broken grass to automatic grass collecting mechanism, an automatic grass collecting mechanism for accepting, accomodate the broken grass that automatic grass crushing mechanism carried and judge the broken grass pressure automatically.

Description

Automatic trimming machine for new energy lawn

Technical Field

The utility model relates to a garden machine field provides an automatic trimmer in new forms of energy lawn to solar energy conversion is as the energy, when pruning the lawn, but automatically regulated prunes the height, prunes the lawn, breaks the sediment grass into garrulous grass, accomodates the garrulous grass in the grass collection box.

Background

Lawn trimming, the operation content and the purpose are mainly as follows: firstly, cutting the upper part of the lawn grass, controlling the growth height of the lawn grass, keeping the lawn smooth and beautiful, promoting the growth points at the base part of the lawn grass to sprout new branches, promoting the transverse growth and increasing the density of the lawn; and secondly, trimming and removing excessive blades, facilitating sunlight to reach the basal part of the lawn, improving photosynthesis of the blades at the basal part, providing more assimilation products for the growth of the root system, improving the activity of the root system of the lawn, promoting the absorption of the root system of the lawn on water and nutrients, and improving the elasticity and the flatness of the lawn.

Particularly, in the actual lawn mowing operation, when the growth height of the lawn grass is controlled at the upper part of the mown grass, the excessive blades of the lawn grass are also removed.

Conventionally, the height of the lawn grass after trimming is referred to as the trimming height, and the width of the lawn grass after one-time trimming is referred to as the trimming width.

In the present case, the cut grass is called grass residue.

The automatic lawn trimmer is still in a semi-automatic state from the birth of the nineteenth century, is mainly used for greening management and cultivation in park districts, weeding in agriculture, forestry and animal farms and the like, and still needs to be manually operated on the spot. In order to avoid environmental pollution, fluffy grass residues need to be temporarily stored on the automatic lawn trimmer, and in order to ensure that the automatic lawn trimmer has better suitability for the lawn trimming operation with larger trimming amount, the volume of the grass storage box is often enlarged, so that the whole volume of the automatic lawn trimmer is larger. In addition, the problems of time and labor consumption, large investment, low mowing efficiency and the like exist for the large area of trimming and weeding, and the method is particularly not suitable for the requirements of trimming and weeding of lawns with complex terrain, agriculture, forestry and animal farms.

Disclosure of Invention

The technical purpose of the technology is to provide an automatic trimmer for a new energy lawn, which uses solar energy converted into electric energy as energy, and can automatically adjust trimming height, trim the lawn, crush grass residues into broken grass and store the broken grass in a grass collecting box when trimming the lawn.

The technical purpose is realized by the following technical scheme:

an automatic trimmer for a new energy lawn comprises a vehicle body driven by a driving motor, a solar cell panel arranged on the roof of the vehicle body, a storage battery arranged in the vehicle body and electrically connected with the solar cell panel, an infrared distance meter, an ultrasonic distance meter and a GPS module which are arranged at the head of the vehicle body and used for providing external information for the vehicle body during working and path running, and an industrial personal computer arranged in the vehicle body and used for receiving signals and sending action instructions to execution components; the automatic grass cutting device comprises a working cavity arranged in a vehicle body, an automatic trimming mechanism, an automatic grass conveying mechanism, an automatic grass crushing mechanism, an automatic grass collecting mechanism and an automatic grass collecting mechanism, wherein the automatic trimming mechanism is arranged in the working cavity and used for trimming lawn grass after automatically adjusting the trimming height and conveying the slag grass to the automatic grass conveying mechanism by virtue of wind power generated by the automatic trimming mechanism;

the diameter of a trimming cavity of the working cavity is reduced from a bottom opening in front of the vehicle body to a rear ascending cavity, the left wall plate, the right wall plate, the rear wall plate are vertically arranged, and the front wall plate is obliquely backwards arranged from bottom to top; the grass conveying cavity of the working cavity, the front end of which is communicated with the upper end of the trimming cavity, is horizontally arranged, the bottom plate of the grass conveying cavity inclines from front to back to lower, the top plate of the grass conveying cavity extends from front to back along an arc with the circle center positioned above the top plate, and the front wall plate, the left wall plate and the right wall plate of the grass conveying cavity are vertically arranged; the grass crushing cavity with the front end communicated with the rear end of the grass conveying cavity is horizontally arranged, and the grass collecting cavity communicated with the rear end of the grass crushing cavity is vertically arranged;

the automatic trimming mechanism is arranged in the trimming cavity and comprises a plurality of blade type blade assemblies which are rotatably arranged in the trimming cavity, and each blade type blade assembly is vertically movably arranged on the trimming support;

the automatic grass conveying mechanism is arranged in the grass conveying cavity and comprises an adsorption partition plate, an adsorption fan blade assembly, a straight wheel fan blade assembly and a fine net, wherein the adsorption partition plate is transversely arranged in the lower part of the grass conveying cavity;

the automatic grass chopping mechanism is arranged in the grass chopping cavity and comprises a plurality of double-blade hob assemblies which are vertically arranged and rotatably arranged in the grass chopping cavity and used for chopping grass residues into chopped grass, and the adjacent double-blade hob assemblies are arranged in a crossed nested manner;

the automatic grass collecting mechanism is arranged in the grass collecting cavity and comprises a grass collecting box which is arranged in the grass collecting cavity and is open at the upper surface, a pressure sensor which is arranged at the bottom of the grass collecting cavity and is used for measuring the pressure of the grass collecting box, hinge mechanisms which are respectively driven and arranged on the left wall plate, the right wall plate and the rear wall plate of the grass collecting cavity by hinge air cylinders arranged on the left wall plate, the right wall plate and the rear wall plate of the grass collecting cavity in a swinging mode, and a wind meter arranged on the top of the vehicle body;

the storage battery provides power for the driving motor, the automatic trimming mechanism, the automatic grass conveying mechanism, the automatic grass smashing mechanism and the industrial personal computer; the automatic trimming mechanism, the automatic grass conveying mechanism, the automatic grass smashing mechanism, the automatic grass collecting mechanism, the infrared distance meter, the ultrasonic distance meter and the GPS module are electrically connected with the industrial personal computer; the automatic trimming mechanism, the automatic grass conveying mechanism and the automatic grass smashing mechanism are linked.

The beneficial effect of this technique is:

when in use:

1. the new energy lawn automatic trimmer moves to a target place: marking the working position through the GPS module, and automatically advancing the new energy lawn automatic trimmer to the lawn to be trimmed under the navigation guidance of the GPS module;

2. trimming the lawn by the automatic trimming mechanism: adjusting the ground height of the fan blade type blade assembly according to the requirement of the trimming height; in the trimming cavity, the fan blade type blade assembly rotates to trim the upper part of lawn grass, the grass residues move upwards to the automatic grass conveying mechanism under the action of upward wind generated by the rotation of the fan blade type blade assembly, and a front wall plate which is inclined from bottom to top and is arranged backwards gradually reduces the space above the fan blade type blade assembly so as to improve the wind speed;

3. conveying the grass residues by an automatic grass conveying mechanism: in the grass conveying cavity, under the action of upward wind generated by the rotation of the fan blade type blade assembly and the adsorption fan blade assembly, the grass residues are adsorbed below the adsorption partition plate, and the rotating straight wheel fan blade assembly rolls the grass residues adsorbed below the adsorption partition plate and conveys the grass residues to the automatic grass smashing mechanism;

4. crushing the grass residues by an automatic grass crushing mechanism: in the grass crushing cavity, the double-blade hob assembly rotates to crush the grass residues into crushed grass, and the crushed grass is conveyed to the automatic grass collecting mechanism under the action of the double-blade hob assembly and wind;

5. the automatic grass collecting mechanism receives broken grass: in the grass collecting cavity, the grass collecting box receives the crushed grass discharged from the outlet of the grass crushing cavity and temporarily stores the crushed grass; the pressure sensor measures the pressure of the grass collecting box on the bottom plate of the grass collecting cavity in real time, namely measures the amount of the crushed grass in the grass collecting box in real time; the wind measuring instrument measures external wind power and wind direction and sends data to the industrial personal computer, and the industrial personal computer sends an instruction to the hinge mechanism according to the returned data to adjust, so that the wind is prevented from generating backflow to the grass in the grass collecting box and being blown out; when the crushed grass reaches the maximum accommodation value in the grass collecting box, the pressure sensor sends an unloading warning to the industrial personal computer, the industrial personal computer sends a stop command, the automatic trimming mechanism, the automatic grass conveying mechanism and the automatic grass crushing mechanism stop working, the hinge mechanism resets, and the GPS module marks the stop position;

6. unloading: under the navigation guidance of the GPS module, the vehicle body drives to the grass collecting point, the grass collecting box is taken out, the broken grass in the grass collecting box is poured out, and the emptied grass collecting box is put into the grass collecting cavity again; or directly replacing the grass collecting box;

7. under the navigation guidance of the GPS module, the vehicle body drives to a stop position from a grass collecting point;

8. and continuing to trim the lawn.

Above-mentioned new forms of energy lawn automatic trimming machine to solar energy conversion is as the energy, when pruning the lawn, but automatic regulation pruning height, pruning lawn, the broken grass of sediment grass is broken into the grass, accomodate the grass chopping in the grass collection box.

The automatic trimming mechanism of the new energy lawn comprises a trimming support horizontally and fixedly connected in a trimming cavity, trimming cylinders vertically arranged and uniformly distributed below the trimming support, a vertical trimming motor which is arranged on an execution rod of the trimming cylinder and is powered by a storage battery, a fan blade type blade assembly fixedly connected on a main shaft of the trimming motor, and a distance measuring sensor which is embedded at the lower end of the fan blade type blade assembly and is in weak electric connection with a central control machine; the fan blade type blade assembly comprises a cutter shaft and a plurality of fan blade type blades which are uniformly distributed at the lower end of the cutter shaft along the circumferential direction, each fan blade type blade bends upwards in the direction of the cutter shaft, and the lower end of each fan blade type blade is horizontally edged.

In the automatic trimming machine for the new energy lawn, the fan blade type blade assemblies are arranged according to a rule of 3 multiplied by 3.

According to the new energy lawn automatic trimmer, the fan blade type blade assembly with the structure and the arrangement mode is adopted, the trimming width can be effectively enlarged, and the lawn passing through the new energy lawn automatic trimmer can be trimmed for multiple times, so that the trimming quality is favorably ensured.

The new energy lawn automatic trimmer is characterized in that the adsorption fan blade assembly comprises a vertical adsorption fan blade main shaft driven by a grass conveying motor powered by a storage battery, and adsorption fan blades uniformly distributed at the lower end of the adsorption fan blade main shaft along the circumferential direction; the adsorption clapboard is provided with a through hole; the straight wheel fan blade assembly comprises a straight wheel fan blade main shaft which is driven by a grass conveying motor and is rotatably arranged in the through hole in a vertical manner, straight wheel fan blades are uniformly distributed at the lower end of the straight wheel fan blade main shaft along the circumferential direction, and each straight wheel fan blade of which the end surface is abutted to the adsorption partition plate is bent upwards in a way of facing the direction of the straight wheel fan blade main shaft; the straight wheel fan blade assembly is positioned behind the adsorption fan blade assembly, the radius of the straight wheel fan blade assembly is not smaller than the diameter of the adsorption fan blade assembly, and the axial distance between the main shaft of the straight wheel fan blade and the main shaft of the adsorption fan blade is not smaller than the sum of the radius of the straight wheel fan blade assembly and the radius of the main shaft of the straight wheel fan blade.

The automatic new-energy lawn trimmer further comprises a compressed air station arranged in the vehicle body and used for providing power for the trimming cylinder and the hinge cylinder.

The automatic trimmer for the new energy lawn comprises an automatic grass chopping mechanism, wherein a double-blade hob assembly comprises a grass chopping motor which is powered by a storage battery, a plurality of rows of vertical double-blade hob rotating shafts which are rotatably arranged in a grass chopping cavity, and double-blade hob blades which are fixedly connected to the double-blade hob rotating shafts; the double-blade hob blades of the double-blade hob assemblies on one row are mutually staggered, the double-blade hob blades of the double-blade hob assemblies in the middle row are mutually staggered with the double-blade hob blades of the double-blade hob assemblies in the front row and the back row, and are closely arranged without gaps.

Foretell new forms of energy lawn automatic trimming machine adopts above-mentioned arrangement's automatic garrulous grass mechanism, can be effectively with the broken grass of sediment grass for the tiny granule, does benefit to the density that improves the garrulous grass, is favorable to then increasing to accomodate the weight of garrulous grass in the grass collection box temporarily.

Drawings

FIG. 1 is a schematic view of a new energy lawn robotic trimmer;

FIG. 2 is a bottom view of the automatic trimming mechanism, a top view of the automatic grass chopping mechanism and a top view of the automatic grass collecting mechanism of the same longitudinal section of FIG. 1;

fig. 3 is a side view of the body 1;

FIG. 4 is a schematic view of a fan blade type blade assembly;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a side view of FIG. 4;

FIG. 7 is a schematic view of an automatic grass feeding mechanism at perspective 1;

FIG. 8 is a schematic view of an automatic grass feeding mechanism, perspective 2;

FIG. 9 is a schematic view of an automatic weed gathering mechanism;

FIG. 10 is a schematic view of the automatic weed catching mechanism showing the closing of the flaps;

FIG. 11 is a schematic view of the automatic grass catcher showing the opening of the flaps;

FIG. 12 is a schematic view of a new energy lawn mower operation;

fig. 13 is a schematic view of a new energy lawn mower work path.

Detailed Description

The present technology is further described below with reference to the accompanying drawings:

referring to fig. 1, 2, 3 and 12, the new energy lawn automatic trimmer comprises a vehicle body 21 driven by a driving motor 7, a solar cell panel 11 arranged on the roof of the vehicle body 21, a storage battery (not shown in the figure) arranged in the vehicle body 21 and electrically connected with the solar cell panel 11, an infrared distance meter 4, an ultrasonic distance meter 17 and a GPS module 13 which are arranged at the head of the vehicle body 21 and used for providing external information for the vehicle body 21 during working and path running, and an industrial personal computer 5 which is arranged in the vehicle body 21 and used for receiving signals and sending action instructions to executing components.

The automatic grass cutting machine also comprises a working chamber 22 arranged in the vehicle body 21, an automatic trimming mechanism 23 which is arranged in the working chamber 22 and used for trimming lawn grass 01 after automatically adjusting the trimming height and conveying the slag grass 02 to the automatic grass conveying mechanism 24 by means of wind power generated by the automatic trimming mechanism 23, the automatic grass conveying mechanism 24 used for conveying the slag grass 02 conveyed by the automatic trimming mechanism 23 to the automatic grass crushing mechanism 6, the automatic grass crushing mechanism 6 used for crushing the slag grass 02 conveyed by the automatic grass conveying mechanism 24 into crushed grass 03 and automatically conveying the crushed grass 03 to the automatic grass collecting mechanism 25, and the automatic grass collecting mechanism 25 used for receiving and temporarily receiving the crushed grass 03 conveyed by the automatic grass crushing mechanism 6 and automatically judging the pressure of the crushed grass;

the diameter of the trimming cavity 221 of the working cavity 22 is reduced from the bottom opening in front of the vehicle body 21 to the rear ascending cavity, the left wall plate, the right wall plate and the rear wall plate are vertically arranged, the front wall plate 20 is obliquely and backwards arranged from bottom to top, so that the trimming cavity 221 is similar to a trapezoidal frustum pyramid structure, the space above the automatic trimming mechanism 23 is gradually contracted, the air flow speed is gradually increased, and the absorption strength of the automatic grass conveying mechanism 24 on the grass residues 02 is favorably enhanced.

The grass conveying cavity 222 of the working cavity 22, the front end of which is communicated with the upper end of the trimming cavity 221, is horizontally arranged, the bottom plate 2221 of the grass conveying cavity inclines from front to back to lower, the top plate 2222 of the grass conveying cavity extends from front to back along an arc with the circle center positioned above the top plate 2222, and the front wall plate, the left wall plate and the right wall plate of the grass conveying cavity are vertically arranged. The inclined bottom plate 2221 is arranged, so that the grass residues 02 can slide to the automatic grass smashing mechanism 6 conveniently; an arc-shaped ceiling 2222 is provided to guide the wind in the working chamber 22 to be discharged from the rear of the vehicle body 21.

The grass chopping cavity 223 of front end and defeated grass chamber 222 rear end UNICOM is put flatly, and the collection grass chamber 224 vertical setting with grass chopping cavity 223 rear end UNICOM all is rectangular box structure in the main part.

Referring to fig. 4, 5 and 6, regarding the automatic trimming mechanism 23, the automatic trimming mechanism 23 disposed in the trimming chamber 221 includes a plurality of vane assemblies 1 rotatably disposed in the trimming chamber 221, and each vane assembly 1 is vertically movably disposed on the trimming bracket 231. Specifically, the automatic trimming mechanism 23 comprises a trimming support 231 horizontally and fixedly connected in the trimming cavity 221, trimming cylinders 2 uniformly distributed and vertically arranged below the trimming support 231, a vertical trimming motor 3 arranged on an execution rod of the trimming cylinder 2 and powered by a storage battery, a fan blade type blade assembly 1 fixedly connected on a main shaft of the trimming motor, and a distance measuring sensor 14 embedded in a groove of the lower end 1 of the fan blade type blade assembly 1 and weakly electrically connected with the central control machine 5; the fan blade assembly 1 includes a cutter shaft 101, and a plurality of fan blades 102 (in the figure, each fan blade assembly 1 has four fan blades 102) uniformly distributed along the circumferential direction at the lower end of the cutter shaft 101, each fan blade 102 turns to 04 against the cutter shaft 101 and bends spirally upwards, and the lower end thereof is horizontally edged 103. When the blade 102 with the structure works, the blade plays a role of cutting the lawn grass 01, and simultaneously generates upward wind to act on the grass residues 02, so that the grass residues 02 move upwards.

In the automatic trimming mechanism 23, the fan blade assemblies 1 are arranged according to a rule of 3 × 3, that is, three rows are provided, each row is three, and the rotating excircles of adjacent fan blade assemblies 1 are tangent.

In order to reduce the influence of the trimming support 231 on the upward movement of the grass clippings 02, the trimming support 231 is a longitudinal beam uniformly distributed in the trimming cavity 221.

Referring to fig. 7 and 8, the automatic grass conveying mechanism 24 disposed in the grass conveying chamber 222 includes an adsorption partition 18 transversely disposed in the grass conveying chamber 222 (the adsorption partition 18 is located at the middle lower portion of the grass conveying chamber 222), an adsorption fan assembly 19 rotatably disposed on the adsorption partition 18 and used for adsorbing the grass residues 02 on the lower surface of the adsorption partition 18, a straight wheel fan assembly 12 rotatably disposed below the adsorption partition 18 and used for rolling the grass residues 02 adsorbed below the adsorption partition 18 and conveying the grass residues to the automatic grass crushing mechanism 6, and a fine mesh 181 disposed on the adsorption partition 18 and located below the adsorption fan assembly 19. Specifically, a plurality of adsorption pores 183 are uniformly distributed on the adsorption partition 18 in a grid shape to form a fine net 181, and the adsorption fan blade assembly 19 comprises a vertical adsorption fan blade main shaft 191 driven by a grass conveying motor (not shown in the figure) powered by a storage battery, and adsorption fan blades 192 are uniformly distributed at the lower end of the adsorption fan blade main shaft 191 along the circumferential direction; the absorption clapboard 18 is provided with a through hole 182; the straight wheel fan blade assembly 12 comprises a straight wheel fan blade main shaft 121 which is driven by a grass conveying motor, penetrates through the through hole 182 and is rotatably arranged in the through hole 182 in a vertical direction, and straight wheel fan blades 122 which are uniformly distributed at the lower end of the straight wheel fan blade main shaft 121 along the circumferential direction, wherein each straight wheel fan blade 122 of which the end surface is connected with the adsorption partition plate 18 is bent upwards spirally in a way of facing the direction 04 of the straight wheel fan blade main shaft 121, namely the upper end surfaces of a plurality of straight wheel fan blades 122 bent upwards spirally in a way of facing the direction 04 of the straight wheel fan blade main shaft 121 are connected with the lower surface of the; the straight wheel fan blade assembly 12 is located behind the adsorption fan blade assembly 19, the radius of the straight wheel fan blade assembly 12 is not less than the diameter of the adsorption fan blade assembly 19, and the axial distance between the straight wheel fan blade main shaft 121 and the adsorption fan blade main shaft 191 is not less than the sum of the radius of the straight wheel fan blade assembly 12 and the radius of the straight wheel fan blade main shaft 121 (in this case, the axial distance between the straight wheel fan blade main shaft 121 and the adsorption fan blade main shaft 191 is equal to the sum of the radius of the straight wheel fan blade assembly 12 and the radius of the straight wheel fan blade main shaft 121). It is prior art that a grass-feeding motor drives the straight-wheel fan assembly 12 and the suction fan assembly 19 simultaneously, and the details are not repeated.

Regarding the automatic grass chopping mechanism 6, the automatic grass chopping mechanism 6 arranged in the grass chopping cavity 223 comprises a plurality of double-blade hob assemblies which are vertically arranged and rotatably arranged in the grass chopping cavity 223 and used for chopping the grass residues 02 into the chopped grass 03, and the adjacent double-blade hob assemblies are arranged in a crossed nested manner. Specifically, the double-blade hob assembly comprises a grass chopping motor (not shown in the figure) powered by a storage battery, a plurality of rows of vertical double-blade hob rotating shafts 61 arranged in the grass chopping cavity 223 in a rotating manner, and double-blade hob blades 62 fixedly connected to the double-blade hob rotating shafts 61; the double-blade hob blades 62 of the double-blade hob assemblies on one row are mutually staggered, the double-blade hob blades 62 of the middle row of double-blade hob assemblies and the double-blade hob blades 62 of the front and rear rows of double-blade hob assemblies are mutually staggered and tightly arranged without gaps, namely, the axle center distance of two adjacent double-blade hob assemblies is smaller than the diameter of one double-blade hob assembly by 10-30 mm (in the present case, the axle center distance of two adjacent double-blade hob assemblies is smaller than the diameter of one double-blade hob assembly by 20 mm). The spiral rising double blade hob blade 62 is prior art and will not be described in detail.

In the present case, the rotation directions of the cutter shaft 101, the suction fan blade main shaft 191, the straight wheel fan blade main shaft 121, and the double-blade hob rotating shaft 61 are the same.

Referring to fig. 9, 10 and 11, the automatic grass-collecting mechanism 25 includes a grass-collecting box 9 disposed in the grass-collecting chamber 224 and having an open upper surface, a pressure sensor 16 disposed at the bottom of the grass-collecting chamber 224 for measuring the pressure applied to the bottom of the grass-collecting chamber 224 by the grass-collecting box 9, a flap mechanism 8 disposed on the left, right and rear walls of the grass-collecting chamber 224 and driven by flap cylinders (not shown) disposed on the left, right and rear walls of the grass-collecting chamber 224, respectively, and a wind meter 10 disposed on the top of the vehicle body 21. The grass collecting box 9 can be a box body with side plates and a bottom plate both made of plates, or a box body with side plates and a bottom plate both made of fine mesh plates, in this example, the grass collecting box 9 is a fine mesh box 15 with side plates and a bottom plate both made of fine mesh plates. The prior art hinge mechanism 8 driven by a hinge cylinder is briefly described as follows: the loose-leaf mechanism 8 comprises a plurality of loose leaves 81 which are vertically arranged and respectively and uniformly distributed on the left, right and rear wall plates of the grass collecting cavity 224, swing shafts are fixedly connected with the upper and lower ends of the loose leaves 81, radial swing rods are fixedly connected with the swing shafts at one end, the swing rods of all the loose leaves 81 on the same wall plate are parallel, the outer ends of the swing rods are hinged with the push-pull rod to form a parallelogram mechanism, and a loose-leaf cylinder drives the push-pull rod to reciprocate, so that the loose leaves 81 are arranged on the left, right and rear wall plates of the grass collecting cavity 224 in a swinging mode by taking the swing shafts. The hinge mechanisms 8 on each wall plate can be independently opened or closed so as to prevent the wind backflow in the automatic new energy lawn trimmer from blowing the grass chopping 03 out of the grass collecting box 9 and prevent the trimming operation from being influenced by overlarge external wind force.

The automatic new energy lawn trimmer further comprises a compressed air station (not shown) arranged in the vehicle body 21 and used for providing compressed air for the trimming cylinder 2 and the hinge cylinder.

The battery provides power for the driving motor 7, the automatic trimming mechanism 23, the automatic grass conveying mechanism 24, the automatic grass smashing mechanism 6 and the industrial personal computer 5; the automatic trimming mechanism 23, the automatic grass conveying mechanism 24, the automatic grass smashing mechanism 6, the automatic grass collecting mechanism 25, the infrared distance meter 4, the ultrasonic distance meter 17 and the GPS module 13 are electrically connected with the industrial personal computer 5. Specifically, the storage battery provides power for the driving motor 7, the trimming motor 3, the grass conveying motor, the grass chopping motor, the compressed air station and the industrial personal computer 5; the distance measuring sensor 14 of the automatic trimming mechanism 23, the pressure sensor 16 of the automatic grass collecting mechanism 25, the infrared distance measuring instrument 4, the ultrasonic distance measuring instrument 17 and the GPS module 13 are all in weak current connection with the industrial personal computer 5; the driving motor 7, the trimming motor 3, the grass conveying motor, the grass chopping motor, the trimming cylinder 2, the hinge cylinder and the compressed air station are execution components.

The automatic trimming mechanism 23, the automatic grass conveying mechanism 24 and the automatic grass smashing mechanism 6 are linked.

The industrial personal computer 5 is the prior art and is not described in detail herein.

The following describes the operation process of the new energy lawn automatic trimmer in detail, taking the example that the new energy lawn automatic trimmer meets obstacles and needs to unload goods midway in the trimming operation process as an example, with reference to the attached drawings.

Referring again to fig. 13, in use:

1. the new energy lawn automatic trimmer moves to a target place: the working position is marked through the GPS module 13, and under the navigation guidance of the GPS module 13, the industrial personal computer 5 sends a working instruction to the driving motor 7 to drive the automatic trimmer of the new energy lawn to automatically move to the lawn to be trimmed;

2. automatically adjusting the trimming height: according to the requirement of the trimming height, the industrial personal computer 5 sends a working instruction to the trimming cylinder 2 according to data sent back by the ranging sensor 14, and the height of the blade 102 from the ground is adjusted;

3. pruning motor 3, defeated grass motor, garrulous grass motor linkage start: the industrial personal computer 5 sends a starting instruction to the trimming motor 3, the grass conveying motor and the grass smashing motor, and the trimming motor 3, the grass conveying motor and the grass smashing motor are started simultaneously;

4. trimming the lawn by the automatic trimming mechanism: the driving motor 7 drives the vehicle body 21 to move along the planned path 05; in the trimming cavity 221, the fan blade type blade assembly 1 rotates, the fan blade type blade 102 trims the upper part of lawn grass 01, the grass residue 02 moves upwards to the automatic grass conveying mechanism 24 under the action of upward wind generated by the rotation of the fan blade type blade assembly 1, and the front wall plate 20 which is inclined backwards from bottom to top gradually reduces the space above the fan blade type blade assembly 1 so as to improve the wind speed;

5. conveying the grass residues by an automatic grass conveying mechanism: in the grass conveying cavity 222, under the action of upward wind generated by the rotation of the fan blade type blade assembly 1 and the adsorption fan blade assembly 19, the grass residues 02 are adsorbed below the fine net 181 of the adsorption clapboard 18, and the rotating straight wheel fan blade assembly 12 rolls down the grass residues 02 adsorbed below the fine net 181 of the adsorption clapboard 18 and conveys the grass residues to the automatic grass smashing mechanism 6;

6. crushing the grass residues by an automatic grass crushing mechanism: in the grass chopping cavity 223, the double-blade hob assembly 6 rotates, the double-blade hob blades 62 crush the grass residues 02 into chopped grass 03, and the chopped grass 03 is conveyed to the automatic grass collecting mechanism 25 under the action of the double-blade hob assembly 5 and wind;

7. the automatic grass collecting mechanism receives broken grass: in the grass collecting cavity 224, the fine net cage 15 receives and temporarily stores the grass 03 discharged from the outlet of the grass chopping cavity 223; the pressure sensor 16 measures the pressure of the fine net cage 15 to the grass collecting cavity bottom plate in real time, namely measures the amount of the crushed grass 03 in the fine net cage 15 in real time; the wind measuring instrument 10 measures external wind power and wind direction and sends data to the industrial personal computer 5, the industrial personal computer 5 sends an instruction to the hinge mechanism 8 according to the returned data to adjust the opening and closing of the hinge 81, and the wind is prevented from generating backflow to the grass chopping 03 in the fine net cage 15 and being blown out; when the crushed grass 03 reaches the maximum accommodation value in the fine net box 15, the pressure sensor 16 sends an unloading warning to the industrial personal computer 5, the industrial personal computer sends a stop instruction, the automatic trimming mechanism, the automatic grass conveying mechanism and the automatic grass crushing mechanism stop working, the hinge mechanism 8 resets, and the GPS module 13 marks the stop position;

8. unloading: under the navigation guidance of the GPS module 13, the vehicle body 21 drives to a grass collecting point, the fine net cage 15 is taken out, the crushed grass 03 in the fine net cage 15 is poured to a grass collecting pile, and the emptied fine net cage 15 is put into the grass collecting cavity 224 again; or directly replacing the fine net cage 15; vehicle body 21 travels along path 06;

9. under the navigation guidance of the GPS module, the vehicle body 21 is driven to a stop position from a grass collecting point; vehicle body 21 travels along path 07;

10. continuously trimming the lawn;

11. in the process of trimming operation, if an obstacle is met and the given path is blocked, the infrared distance measuring instrument 4 and the ultrasonic distance measuring instrument 17 send out a warning to the industrial personal computer 5, and the industrial personal computer 5 returns to the planned path 05 to travel after bypassing the obstacle along the path 08 through the GPS 13.

The beneficial effect of this technique is:

according to the automatic trimmer for the new energy lawn, solar energy is converted into electric energy to serve as energy, automation can be completely achieved in the whole flow of the operation of driving to the lawn to be trimmed, adjusting the trimming height, trimming the lawn, conveying grass, breaking grass and collecting grass when the lawn is trimmed, and in the trimming operation process, obstacles can be automatically avoided to return to a planned path to continue trimming operation.

Claims (6)

1. An automatic trimmer for a new energy lawn comprises a vehicle body driven by a driving motor, a solar cell panel arranged on the roof of the vehicle body, a storage battery arranged in the vehicle body and electrically connected with the solar cell panel, an infrared distance meter, an ultrasonic distance meter and a GPS module which are arranged at the head of the vehicle body and used for providing external information for the vehicle body during working and path running, and an industrial personal computer arranged in the vehicle body and used for receiving signals and sending action instructions to execution components; the automatic grass cutting machine is characterized by further comprising a working cavity arranged in the vehicle body, an automatic trimming mechanism arranged in the working cavity and used for trimming lawn grass after the trimming height is automatically adjusted and conveying the grass residues to the automatic grass conveying mechanism by means of wind power generated by the automatic trimming mechanism, the automatic grass conveying mechanism used for conveying the grass residues conveyed by the automatic trimming mechanism to the automatic grass crushing mechanism, the automatic grass crushing mechanism used for crushing the grass residues conveyed by the automatic grass conveying mechanism into crushed grass and automatically conveying the crushed grass to the automatic grass collecting mechanism, and the automatic grass collecting mechanism used for receiving and temporarily receiving the crushed grass conveyed by the automatic grass crushing mechanism and automatically judging the pressure of the crushed grass;

the diameter of a trimming cavity of the working cavity is reduced from a bottom opening in front of the vehicle body to a rear ascending cavity, the left wall plate, the right wall plate, the rear wall plate are vertically arranged, and the front wall plate is obliquely backwards arranged from bottom to top; the grass conveying cavity of the working cavity with the front end communicated with the upper end of the trimming cavity is horizontally arranged, the bottom plate of the grass conveying cavity is inclined from front to back to lower, the top plate of the grass conveying cavity extends from front to back along an arc with the circle center positioned above the top plate, and the front wall plate, the left wall plate and the right wall plate of the grass conveying cavity are vertically arranged; the grass crushing cavity with the front end communicated with the rear end of the grass conveying cavity is horizontally arranged, and the grass collecting cavity communicated with the rear end of the grass crushing cavity is vertically arranged;

the automatic trimming mechanism is arranged in the trimming cavity and comprises a plurality of blade type blade assemblies which are rotatably arranged in the trimming cavity, and each blade type blade assembly is vertically movably arranged on the trimming support;

the automatic grass conveying mechanism is arranged in the grass conveying cavity and comprises an adsorption partition plate, an adsorption fan blade assembly, a straight wheel fan blade assembly and a fine net, wherein the adsorption partition plate is transversely arranged in the grass conveying cavity;

the automatic grass chopping mechanism is arranged in the grass chopping cavity and comprises a plurality of double-blade hob assemblies which are vertically arranged and rotatably arranged in the grass chopping cavity and used for chopping grass residues into chopped grass, and the adjacent double-blade hob assemblies are arranged in a crossed nested manner;

the automatic grass collecting mechanism is arranged in the grass collecting cavity and comprises a grass collecting box which is arranged in the grass collecting cavity and is open at the upper surface, a pressure sensor which is arranged at the bottom of the grass collecting cavity and is used for measuring the pressure of the grass collecting box, hinge mechanisms which are respectively driven and arranged on the left wall plate, the right wall plate and the rear wall plate of the grass collecting cavity by hinge air cylinders arranged on the left wall plate, the right wall plate and the rear wall plate of the grass collecting cavity in a swinging mode, and a wind meter arranged on the top of the vehicle body;

the storage battery provides power for the driving motor, the automatic trimming mechanism, the automatic grass conveying mechanism, the automatic grass smashing mechanism and the industrial personal computer; the automatic trimming mechanism, the automatic grass conveying mechanism, the automatic grass smashing mechanism, the automatic grass collecting mechanism, the infrared distance meter, the ultrasonic distance meter and the GPS module are electrically connected with the industrial personal computer; the automatic trimming mechanism, the automatic grass conveying mechanism and the automatic grass smashing mechanism are linked.

2. The automatic new energy lawn trimmer according to claim 1, wherein the automatic trimming mechanism comprises a trimming bracket horizontally and fixedly connected in the trimming cavity, trimming cylinders vertically arranged and uniformly distributed below the trimming bracket, a vertical trimming motor which is arranged on an actuating rod of the trimming cylinder and is powered by a battery jar, a fan blade type blade assembly fixedly connected to a main shaft of the trimming motor, and a distance measuring sensor embedded at the lower end of the fan blade type blade assembly and weakly electrically connected with the central control computer; the fan blade type blade assembly comprises a cutter shaft and a plurality of fan blade type blades which are uniformly distributed at the lower end of the cutter shaft along the circumferential direction, each fan blade type blade bends upwards in the direction of the cutter shaft, and the lower end of each fan blade type blade is horizontally edged.

3. The automatic new energy lawn trimmer of claim 1 or 2, wherein the fan blade type blade assemblies are arranged in a 3 x 3 pattern.

4. The automatic trimmer for the new energy lawn as claimed in claim 1, wherein the automatic grass feeding mechanism comprises a vertical main shaft of the adsorption fan blade driven by a grass feeding motor powered by a battery, the adsorption fan blades being uniformly distributed at the lower end of the main shaft of the adsorption fan blade along the circumferential direction; the adsorption clapboard is provided with a through hole; the straight wheel fan blade assembly comprises a straight wheel fan blade main shaft which is driven by a grass conveying motor and is rotatably arranged in the through hole in a vertical manner, straight wheel fan blades are uniformly distributed at the lower end of the straight wheel fan blade main shaft along the circumferential direction, and each straight wheel fan blade of which the end surface is abutted to the adsorption partition plate is bent upwards in a way of facing the direction of the straight wheel fan blade main shaft; the straight wheel fan blade assembly is positioned behind the adsorption fan blade assembly, the radius of the straight wheel fan blade assembly is not smaller than the diameter of the adsorption fan blade assembly, and the axial distance between the main shaft of the straight wheel fan blade and the main shaft of the adsorption fan blade is not smaller than the sum of the radius of the straight wheel fan blade assembly and the radius of the main shaft of the straight wheel fan blade.

5. The automatic trimmer for new energy lawns according to any one of claims 1, 2, and 4, further comprising a compressed air station disposed in the vehicle body for powering the trimming cylinder and the hinge cylinder.

6. The automatic trimming machine for new energy lawns as claimed in claim 1, wherein regarding the automatic grass chopping mechanism, the double-blade hob assembly comprises a plurality of rows of vertical double-blade hob rotating shafts which are rotationally arranged in the grass chopping cavity and driven by a grass chopping motor powered by a battery, and double-blade hob blades which are fixedly connected to the double-blade hob rotating shafts; the double-blade hob blades of the double-blade hob assemblies on one row are mutually staggered, the double-blade hob blades of the double-blade hob assemblies in the middle row are mutually staggered with the double-blade hob blades of the double-blade hob assemblies in the front row and the back row, and are closely arranged without gaps.

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