CN114402796A - Park lawn mowing robot - Google Patents

Abstract

The invention discloses a park lawn mowing robot, which comprises a machine shell, wherein a rotating shaft in a cavity at the bottom of the machine shell is connected with a control seat; further comprising: the reciprocating screw rod is mounted in an inner cavity of the control seat through a multi-screw rod bearing, a movable sleeve is sleeved on the reciprocating screw rod in a threaded manner, a mounting gear roller is fixed on a bearing at the bottom of the movable sleeve, and a cutter head is fixed at the bottom of the mounting gear roller; the continuous storage tank is arranged on the inner wall of the bottom of the machine shell, the bottom of the outer side of the continuous storage tank is communicated with the conveying tank, the top of the machine shell is provided with the mounting groove, the outer side of the machine shell is provided with wheels, one end of the guide shaft is fixed with a worm, and one side of the worm is meshed with a worm wheel. This park lawn mowing robot is applicable to complicated ground, keeps the cutting level and smooth, utilizes single motor to realize cutting and altitude mixture control, can utilize the power of marcing to extrude the collection to the grass bits simultaneously, and is energy-concerving and environment-protective.

Description

Park lawn mowing robot

Technical Field

The invention relates to the technical field of mowing robots, in particular to a mowing robot for a park lawn.

Background

The use in park can lay a large amount of lawns usually and improve the sight, reduces soil erosion and water loss simultaneously, and the natural growth on lawn needs often to weed grass the operation, avoids influencing normal use, adopts mowing robot to be current conventional means, and the most drives the cutter through drive arrangement and rotates and carry out automatic mowing operation, but current mowing robot still has following problem when using:

because personnel frequently walk in a park, the lawn and the land are easily damaged, the situation of unevenness occurs, meanwhile, different areas are affected by the environment, the grass vigor growth is different, the conventional mowing robot is inconvenient to carry out convenient height adjustment and self-adaptive horizontal mowing, the flatness of the lawn is difficult to maintain, meanwhile, when the mowing robot travels, a cutter is easy to follow the integral inclination and causes the problems of uneven mowing and soil cutting, and simultaneously, a large amount of splashed grass scraps can be generated during mowing, the conventional mowing robot is mostly provided with a dust collection device for absorbing or independently absorbing the grass scraps subsequently again, the stable timely treatment and extrusion collection of the grass scraps are inconvenient, when the dust collection device is used, a larger space is needed for absorbing and storing the grass scraps, the blockage is easy, the subsequent maintenance is troublesome, and when the grass scraps are absorbed subsequently, the scraps generated during mowing can splash into the air, and the environment is affected.

In order to solve the problems, innovative design is urgently needed on the basis of the original mowing robot.

Disclosure of Invention

The invention aims to provide a park lawn mowing robot, which aims to solve the problems that the conventional mowing robot is inconvenient to carry out convenient and fast height adjustment and adaptive horizontal mowing, and is inconvenient to stably and timely treat and extrude grass scraps.

In order to achieve the purpose, the invention provides the following technical scheme: a park lawn mowing robot comprises a machine shell, wherein a rotating shaft in a cavity at the bottom of the machine shell is connected with a control seat, a motor is embedded in the control seat, and the output end of the motor is connected with a main toothed roller;

further comprising:

the reciprocating screw rod is mounted in an inner cavity of the control seat through a bearing of the reciprocating screw rod, the top of the reciprocating screw rod is sleeved with an unidirectional gear sleeve through a ratchet assembly, the unidirectional gear sleeve is mounted inside the control seat through a bearing of the unidirectional gear sleeve, a movable sleeve is sleeved on the reciprocating screw rod in a threaded manner, a positioning groove is formed in the outer side of the movable sleeve, a positioning rod is connected in the positioning groove and is fixed on the inner wall of the control seat, a mounting gear roller is fixed on the bottom of the movable sleeve through the bearing, the bottom of the mounting gear roller penetrates through the lower portion of the machine shell, a cutter disc is fixed at the bottom of the mounting gear roller, a cutter is fixed at the top of the cutter disc, and the center position of the bottom of the cutter disc is connected with a positioning roller through an elastic telescopic rod bearing;

the continuous storage tank is arranged on the inner wall of the bottom of the case, one end of a cutter is arranged in the continuous storage tank, the bottom of the outer side of the continuous storage tank is provided with a conveying tank in a penetrating way, the conveying tank is vertically arranged in the case, a conveying auger is arranged in the conveying tank, the top of the case is provided with a mounting groove, a collecting ring box is arranged in the mounting groove, an extrusion opening is arranged between the side wall of the mounting groove and the side wall of the mounting groove in a penetrating way and corresponds to the opening position on the collecting ring box, the outer side of the case is provided with wheels, guide shafts are connected to the wheels through chain transmission, guide shaft bearings are arranged at the top position of the outer side of the case, one end of each guide shaft is fixed with a worm, the worm is positioned in the inner part of the top of the case, one side of the worm is engaged with a worm wheel, and one side of the top of the worm wheel is engaged with a toothed ring, and the ring gear activity sets up in the casing, the inboard meshing of ring gear has the ring gear, and the fixed cover of ring gear is established at the top of carrying the auger.

Preferably, the one-way gear sleeve and the mounting gear roller are meshed with the main gear roller, the one-way gear sleeve drives the reciprocating screw rod to rotate in a one-way mode through the ratchet wheel assembly, mowing operation can be conducted due to forward rotation of the motor, and the reciprocating screw rod can be driven to rotate through the gear sleeve due to reverse rotation of the motor.

Preferably, the locating lever is laminated in the constant head tank and slides, and the constant angle distribution of constant head tank in the outside of movable sleeve has threely, fixes a position the movable sleeve through constant head tank and locating lever for when reciprocal lead screw rotated, can drive the movable sleeve and reciprocate.

Preferably, the top of cutter is half circular ring structural design, and the cutter is located the one end of lasting inslot and is cylindric structural design, and the cutter can be so that the grass bits are detained at the top position of cutter when cutting to throw the grass bits to lasting inslot through centrifugal force.

Preferably, the continuous storage tank is of an annular structure and shares a central axis with the cutter head, the front surface and the bottom of the side surface of the continuous storage tank are both arranged in a manner of inclining downwards towards the conveying auger, and the grass scraps in the continuous storage tank can be guided to fall to the bottom position of the conveying auger.

Preferably, carry the auger etc. angular distribution in the casing, and carry the distance between the auger upper blade and decrease progressively from bottom to top in proper order, a plurality of transport augers carry the grass bits to progressively extrude the grass bits.

Preferably, the collection ring case is the central axis with the blade disc altogether, and the both sides of collecting the ring case are unsmooth cooperation between protruding structure and the mounting groove, fix a position the installation to the collection ring case through protruding structure for carry the extruded grass bits of auger to get into in the collection ring case through the extrusion mouth of loudspeaker form.

Preferably, the top of worm wheel is intermeshing between gear column structure and the ring gear, and the upper and lower both ends of ring gear and the concave-convex cooperation of the inside depressed part of casing, and the rotation of wheel drives guide shaft and worm through the chain and rotates, and then drives the ring gear through worm wheel and ring gear and rotates, can drive and carry the auger and rotate.

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

1. the lawn mower is provided with a height adjusting mechanism, wherein under the action of a ratchet wheel assembly, a motor drives a one-way gear sleeve and a mounting gear roller to rotate when rotating in the forward direction, at the moment, the reverse rotation of the one-way gear sleeve cannot drive a reciprocating screw rod to rotate, a cutter disc and a cutter can be driven to rotate by the mounting gear roller to perform mowing operation, meanwhile, the motor drives the one-way gear sleeve to rotate in the forward direction when rotating in the reverse direction, the ratchet wheel assembly can drive the reciprocating screw rod to rotate, under the action of a positioning groove and a positioning rod, a movable sleeve and the mounting gear roller are driven to move up and down, the heights of the cutter disc and the cutter are adjusted, and the mowing and height adjusting operation can be realized by utilizing the forward and reverse rotation of a single motor, so that the use of electrical equipment is reduced, the energy is saved, and the lawn mower is suitable for lawns with different growth vigors under different environments;

2. according to the invention, the self-adaptive horizontal cutting structure is arranged, the center of the bottom of the cutter disc is connected with the positioning roller through the elastic telescopic rod, and the elastic telescopic rod is used, so that the positioning roller can always contact with the ground when the cutter disc is adjusted in height, and further when the cutter disc moves to a hollow section and the single-side wheel moves downwards to drive the machine shell to incline, the cutter disc is stably supported through the positioning roller, and meanwhile, the cavity at the bottom of the machine shell can rotate on the control seat, so that the stability of the control seat and the cutter disc cannot be influenced when the machine shell inclines, and further, the cutter can maintain horizontal cutting, the problem of uneven mowing and the trouble of touching soil by the cutter are avoided, the attractiveness is improved, and the safety performance is improved;

3. the straw scrap collecting mechanism is arranged, the top of the cutter is designed to be of a semicircular structure, cut straw scraps are retained in the cutter along with the rotation of the bottom of the cutter, the straw scraps are thrown into the continuous storage groove through the end part of the cutter by using centrifugal force along with the rotation of the cutter to be primarily collected, and the straw scraps are guided into the conveying groove through the inclined structure at the bottom of the continuous storage groove and the vibration of the machine shell, so that the straw scraps are prevented from splashing around after being cut, the working environment is greatly improved, and the pollution to peripheral air is avoided;

4. according to the grass clippings collecting and storing mechanism, the pushing of the machine shell drives the wheels to rotate, so that the wheels drive the guide shafts to rotate through the chains, further the worm drives the worm gears to rotate through the worms, the gear rings and the conveying screw conveyer are driven to rotate under the conduction of the gear rings, the grass clippings are conveyed upwards and extruded through the decreasing of the blade intervals on the conveying screw conveyer, and then the grass clippings are extruded again through the horn-shaped extruding opening and conveyed into the collecting ring box to be stored, on one hand, the collection and conveying of the grass clippings can be realized by utilizing the advancing power of the machine shell, on the other hand, the grass clippings are extruded and stored in a centralized manner, the space occupation is reduced, the mowing duration time can be prolonged, and the trouble of frequently dumping the grass clippings is avoided;

5. in conclusion, when the lawn mower is used for a hollow terrain, the cutter can be kept to stably cut, the situation that the whole integrity of the lawn is influenced due to the inclination of the casing is avoided, the cutter is prevented from touching the ground, the safety performance is improved, mowing and height adjusting operations can be integrally realized by using a single motor, the trouble of using a plurality of driving powers is avoided, the grass scraps are conveyed, extruded and collected by using the force for pushing the casing to advance, the energy is greatly saved, the endurance operation time is prolonged, the cut grass scraps can be collected and centrifugally thrown out in real time through reasonable design of the cutter, the grass scraps are limited in the casing and are timely dredged and collected, the environment is effectively prevented from being influenced by the splashing of the grass scraps, the energy is saved, and meanwhile, the environment is protected.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top sectional view of the control seat of the present invention;

FIG. 3 is a schematic top sectional view of the reciprocating screw and the one-way gear sleeve of the present invention;

FIG. 4 is a schematic side view of a cutter according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the top view of the continuous storage tank and the conveying auger of the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

fig. 8 is a schematic top sectional view of a ring gear and ring gear of the present invention.

In the figure: 1. a housing; 2. a control seat; 3. a motor; 4. a main toothed roller; 5. a reciprocating screw rod; 6. a ratchet assembly; 7. a unidirectional gear sleeve; 8. a movable sleeve; 9. positioning a groove; 10. positioning a rod; 11. mounting a toothed roller; 12. a cutter head; 13. a cutter; 14. an elastic telescopic rod; 15. positioning the roller; 16. a storage slot; 17. a conveying trough; 18. conveying the auger; 19. mounting grooves; 20. a collection ring box; 21. an extrusion port; 22. a wheel; 23. a chain; 24. a guide shaft; 25. a worm; 26. a worm gear; 27. a toothed ring; 28. a ring gear.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a park lawn mowing robot comprises a machine shell 1, a control seat 2, a motor 3, a main toothed roller 4, a reciprocating screw rod 5, a ratchet wheel assembly 6, a one-way toothed sleeve 7, a movable sleeve 8, a positioning groove 9, a positioning rod 10, an installation toothed roller 11, a cutter head 12, a cutter 13, an elastic telescopic rod 14, a positioning roller 15, a storage groove 16, a conveying groove 17, a conveying auger 18, a mounting groove 19, a collecting ring box 20, an extrusion opening 21, wheels 22, a chain 23, a guide shaft 24, a worm 25, a worm wheel 26, a toothed ring 27 and a gear ring 28;

example 1

Referring to fig. 1-5, the device comprises a casing 1, a control base 2 is connected to a rotating shaft in a cavity at the bottom of the casing 1, a motor 3 is embedded in the control base 2, and an output end of the motor 3 is connected with a main toothed roller 4; further comprising: the reciprocating screw rod 5 is installed in an inner cavity of the control seat 2 in a bearing mode, a one-way gear sleeve 7 is sleeved on the top of the reciprocating screw rod 5 through a ratchet wheel assembly 6, the one-way gear sleeve 7 is installed inside the control seat 2 in a bearing mode, a movable sleeve 8 is sleeved on the reciprocating screw rod 5 in a threaded mode, a positioning groove 9 is formed in the outer side of the movable sleeve 8, a positioning rod 10 is connected into the positioning groove 9, the positioning rod 10 is fixed on the inner wall of the control seat 2, an installation gear roller 11 is fixed on the bottom of the movable sleeve 8 in a bearing mode, the bottom of the installation gear roller 11 penetrates through the lower portion of the machine shell 1, a cutter disc 12 is fixed at the bottom of the installation gear roller 11, a cutter 13 is fixed at the top of the cutter disc 12, and a positioning roller 15 is connected to the center position of the bottom of the cutter disc 12 in a bearing mode through an elastic telescopic rod 14; the unidirectional gear sleeve 7 and the mounting gear roller 11 are both meshed with the main gear roller 4, the unidirectional gear sleeve 7 drives the reciprocating screw rod 5 to rotate unidirectionally through the ratchet wheel assembly 6, the positioning rod 10 slides in the positioning groove 9 in a fitting manner, the positioning grooves 9 are distributed on the outer side of the movable sleeve 8 at equal angles, the top of the cutter 13 is in a semicircular annular structure design, and one end of the cutter 13, which is positioned in the continuous storage groove 16, is in a cylindrical structure design; the motor 3 rotates in the positive direction, the main toothed roller 4 is meshed with the mounting toothed roller 11 to drive the cutter disc 12 and the cutter 13 to rotate in the reverse direction for mowing, the motor 3 rotates in the reverse direction, the reciprocating screw rod 5 is driven to rotate through the one-way toothed sleeve 7 and the ratchet wheel assembly 6, the mounting toothed roller 11 and the cutter disc 12 are driven to move up and down, mowing and up and down adjusting operations are achieved by the single motor 3, meanwhile, the positioning roller 15 is used for horizontally supporting the cutter disc 12, when the cutter disc 12 meets a hollow section, the wheels 22 and the machine shell 1 incline, the control seat 2 can rotate in the machine shell 1, and horizontal mowing of the cutter disc 12 and the cutter 13 is maintained;

example 2

Referring to fig. 1, 4 and 6-8, a continuous storage tank 16 is provided, the continuous storage tank 16 is provided on an inner wall of a bottom of a casing 1, one end of a cutter 13 is disposed in the continuous storage tank 16, a conveying tank 17 is provided at a bottom of an outer side of the continuous storage tank 16 in a penetrating manner, the conveying tank 17 is vertically provided in the casing 1, a conveying auger 18 is installed in the conveying tank 17, an installation groove 19 is provided at a top of the casing 1, a collecting ring box 20 is disposed in the installation groove 19, an extrusion port 21 is provided between a side wall of the installation groove 19 and a side wall of the installation groove 19 in a penetrating manner, the extrusion port 21 corresponds to an opening position of the collecting ring box 20, wheels 22 are installed on the outer side of the casing 1, a guide shaft 24 is drivingly connected to the wheels 22 through a chain 23, the guide shaft 24 is bearing-mounted at a top position of the outer side of the casing 1, a worm 25 is fixed at one end of the guide shaft 24, and the worm 25 is located inside the top of the casing 1, one side of the worm 25 is engaged with a worm wheel 26, one side of the top of the worm wheel 26 is engaged with a toothed ring 27, the toothed ring 27 is movably arranged in the casing 1, the inner side of the toothed ring 27 is engaged with a toothed ring 28, the toothed ring 28 is fixedly sleeved on the top of the conveying auger 18, the continuous storage tank 16 is of an annular structure and shares a central axis with the cutterhead 12, the bottoms of the front surface and the side surface of the continuous storage tank 16 are obliquely and downwards arranged towards the conveying auger 18, the conveying auger 18 is distributed in the casing 1 at equal angles, the distances between blades on the conveying auger 18 are sequentially reduced from bottom to top, the collecting ring box 20 shares a central axis with the cutterhead 12, two sides of the collecting ring box 20 are of a convex structure and are in concave-convex fit with the mounting groove 19, the top of the worm wheel 26 is in a gear-shaped structure and is engaged with the toothed ring 27, and the upper and lower ends of the toothed ring 27 are in concave-convex fit with the concave parts in the casing 1; the rotation of the wheel 22 drives the conveying auger 18 to rotate through the guide shaft 24, the worm 25, the worm wheel 26, the toothed ring 27 and the gear ring 28, the cutter 13 rotates to cut grass, grass scraps are thrown into the continuous storage groove 16 through centrifugal force and enter the bottom of the conveying groove 17, the conveying auger 18 conveys and compresses the grass scraps, and the compressed grass scraps are conveyed into the collecting ring box 20 to be collected in a concentrated mode.

The working principle is as follows: when the lawn mowing robot is used in the park, firstly, as shown in figures 1-5, a collecting ring box 20 is inserted into a mounting groove 19, a user pushes a machine shell 1, a motor 3 in a control seat 2 is started, power is supplied through a conventional storage battery arranged in the machine shell 1, the forward rotation of the motor 3 drives a main toothed roller 4 to rotate, the main toothed roller 4 is meshed with a one-way toothed sleeve 7 and a mounting toothed roller 11 to drive the one-way toothed sleeve 7 and the mounting toothed roller 11 to rotate reversely, at the moment, under the action of a ratchet assembly 6, a reciprocating screw rod 5 cannot rotate, so that the mounting toothed roller 11 rotates at the bottom of a movable sleeve 8 and drives a cutter disc 12 and a cutter 13 to rotate to mow, and meanwhile, when the mowing height needs to be adjusted, the motor 3 is reversely driven, under the action of the ratchet assembly 6, the one-way toothed sleeve 7 drives the reciprocating screw rod 5 to rotate, under the limiting action of a positioning groove 9 and a positioning rod 10, the movable sleeve 8 is driven to move up and down through the reciprocating screw rod 5, the movable sleeve 8 drives the mounting gear roller 11 to move up and down, the cutter disc 12 and the cutter 13 are further driven to move up and down to adjust the height, at the moment, under the action of the elastic telescopic rod 14, the positioning roller 15 can be always in contact with the ground, further, when moving mowing is carried out, the cutter disc 12 can be horizontally positioned through the positioning roller 15, when the cutter disc moves to a low-lying position, the wheels 22 on one side of the machine shell 1 move downwards, at the moment, the wheels are supported by the positioning roller 15, the cutter disc 12 is kept horizontal, meanwhile, a cavity in the machine shell 1 rotates on the control seat 2 until the machine shell 1 is reset and kept flat, stable mowing operation is realized, and meanwhile, the positioning roller 15 and the elastic telescopic rod 14 are arranged;

then, as shown in fig. 1, 4 and 6-8, the cut grass clippings enter the concave position at the top of the cutting knife 13, and along with the rotation of the cutting knife 13, centrifugal force is generated, so that the grass clippings in the cutting knife 13 are thrown into the storage tank 16, and through the inclined structure at the bottom of the storage tank 16, along with the vibration generated when the machine shell 1 carries out mowing, the grass clippings enter the conveying tank 17 through the storage tank 16, the opening height of the storage tank 16 is greater than the height of the cutting knife 13, the height adjustment and relative inclination of the cutting knife 13 are not influenced, meanwhile, the rotation of the wheel 22 at one side drives the guide shaft 24 to rotate through the chain 23, further drives the worm 25 to rotate in the machine shell 1, the worm 25 drives the toothed ring 27 to rotate through the worm wheel 26, then the toothed ring 27 drives the conveying auger 18 to rotate through the toothed ring 28, the grass clippings at the bottom of the conveying tank 17 are conveyed upwards, and are extruded during the conveying process, make the grass bits after the extrusion extrude once more through extrusion mouth 21 of loudspeaker form and get into the collection after extruding in the collection ring case 20 through the opening that corresponds on the collection ring case 20, avoid the grass bits to splash, extrude the grass bits simultaneously, reduce the space and occupy, increase the duration of mowing, after cutting the grass, take out collection ring case 20, and empty the extruded grass bits through the top cap that collection ring case 20 top can open, the buckle formula structure that has now commonly used is adopted to the top cap dismantled of collection ring case 20, do not do here any more.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (8)

1. A lawn mowing robot for a park comprises a machine shell (1), wherein a control seat (2) is connected to a rotating shaft in a cavity at the bottom of the machine shell (1), a motor (3) is embedded in the control seat (2), and the output end of the motor (3) is connected with a main toothed roller (4);

the method is characterized in that: further comprising:

reciprocating screw rod (5), reciprocating screw rod (5) bearing installation is in the inside cavity of control seat (2), and the top of reciprocating screw rod (5) is equipped with one-way tooth cover (7) through ratchet subassembly (6) cover, and one-way tooth cover (7) bearing installation is in the inside of control seat (2), threaded sleeve is equipped with movable sleeve (8) on reciprocating screw rod (5), and the outside of movable sleeve (8) has seted up constant head tank (9), and constant head tank (9) in-connection has locating lever (10), and locating lever (10) are fixed in on the inner wall of control seat (2), the bottom bearing of movable sleeve (8) is fixed with installation fluted roller (11), and the bottom of installation fluted roller (11) runs through the below of casing (1), the bottom of installation fluted roller (11) is fixed with blade disc (12), and the top of blade disc (12) is fixed with cutter (13), the center of the bottom of the cutter head (12) is connected with a positioning roller (15) through an elastic telescopic rod (14) by a bearing;

a continuous storage groove (16), wherein the continuous storage groove (16) is arranged on the inner wall of the bottom of the machine shell (1), one end of a cutter (13) is placed in the continuous storage groove (16), a conveying groove (17) is formed in the bottom of the outer side of the continuous storage groove (16) in a penetrating mode, the conveying groove (17) is vertically arranged in the machine shell (1), a conveying auger (18) is installed in the conveying groove (17), a mounting groove (19) is formed in the top of the machine shell (1), a collecting ring box (20) is arranged in the mounting groove (19), an extrusion opening (21) is formed in a penetrating mode between the side wall of the mounting groove (19) and the side wall of the mounting groove (19), the extrusion opening (21) corresponds to the opening position on the collecting ring box (20), wheels (22) are installed on the outer side of the machine shell (1), and guide shafts (24) are connected to the wheels (22) through chains (23) in a transmission mode, and leading axle (24) bearing installation is in the top position in casing (1) outside, the one end of leading axle (24) is fixed with worm (25), and worm (25) are located the inside at casing (1) top, one side meshing of worm (25) is connected with worm wheel (26), and one side meshing at worm wheel (26) top has ring gear (27) to ring gear (27) activity sets up in casing (1), the inboard meshing of ring gear (27) has ring gear (28), and ring gear (28) fixed cover is established at the top of carrying auger (18).

2. A park lawn mowing robot as claimed in claim 1, wherein: the unidirectional gear sleeve (7) and the mounting gear roller (11) are both meshed with the main gear roller (4), and the unidirectional gear sleeve (7) drives the reciprocating screw rod (5) to rotate in a unidirectional mode through the ratchet wheel assembly (6).

3. A park lawn mowing robot as claimed in claim 1, wherein: the positioning rods (10) are in fit sliding in the positioning grooves (9), and the positioning grooves (9) are distributed in the outer side of the movable sleeve (8) at equal angles.

4. A park lawn mowing robot as claimed in claim 1, wherein: the top of the cutter (13) is designed into a semicircular annular structure, and one end of the cutter (13) positioned in the continuous storage groove (16) is designed into a cylindrical structure.

5. A park lawn mowing robot as claimed in claim 1, wherein: the continuous storage tank (16) is of an annular structure and shares a central axis with the cutter head (12), and the front surface and the bottom of the side surface of the continuous storage tank (16) are both arranged in a manner of inclining downwards towards the conveying auger (18).

6. A park lawn mowing robot as claimed in claim 1, wherein: the conveying auger (18) is distributed in the casing (1) at equal angles, and the distance between the blades on the conveying auger (18) is gradually reduced from bottom to top.

7. A park lawn mowing robot as claimed in claim 1, wherein: the central axis of the collecting ring box (20) and the cutter head (12) is the same, and the two sides of the collecting ring box (20) are in concave-convex fit between the protruding structures and the mounting grooves (19).

8. A park lawn mowing robot as claimed in claim 1, wherein: the top of the worm wheel (26) is in a gear-shaped structure and is meshed with the gear ring (27), and the upper end and the lower end of the gear ring (27) are in concave-convex fit with the inner concave part of the machine shell (1).

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