CN114711014A

CN114711014A - Lawn harvester

Info

Publication number: CN114711014A
Application number: CN202210372656.0A
Authority: CN
Inventors: 季现亮; 张立; 马洼; 盛政尚; 常召科; 赵军; 步亚允; 孙宝地
Original assignee: Pengzhuang Coal Mine Of Heze Coal Power Co Ltd Of Linyi Mining Group
Current assignee: Pengzhuang Coal Mine Of Heze Coal Power Co Ltd Of Linyi Mining Group
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-08
Anticipated expiration: 2042-04-11
Also published as: CN114711014B

Abstract

The invention discloses a lawn harvester which comprises a vehicle body, a cutting part and a power device. The vehicle body comprises a main frame, a vehicle cover arranged above the main frame, a control handle and two travelling wheels arranged below the main frame; the cutting part is arranged at the front end of the vehicle body and comprises a cutting roller and a cutting shield, the cutting roller comprises a power rotating shaft, two cutting blades fixed on the power rotating shaft and a plurality of cutting ropes arranged between the two cutting blades; the power device comprises a storage battery, an electric control device, a direct current brushless motor and a main switch which are connected with each other through a line. The invention has simple structure, easy manufacture and cost saving; when in use, the noise is low, the energy is saved, the environment is protected, and the safety and the efficiency are high; the energy is supplied by utilizing electric power storage, the battery can be charged once, can be used for four hours, has higher durability, and effectively solves the problem that the battery cannot be normally used due to difficulty in purchasing bulk gasoline or diesel oil; the grass cutter has beautiful forming after mowing, avoids weed flying, and effectively improves the working efficiency.

Description

Lawn harvester

Technical Field

The invention relates to the technical field of mowing equipment, in particular to a lawn harvester.

Background

Most mining areas are in a more geographical position, which causes weeds in areas which are not developed and built in mining area companies to bunch up, and the weeds need to be trimmed and cleaned regularly. The existing mower, such as the Strauu mower, is generally selected when weeds are harvested, but the mower in the prior art is supplied with energy by fuel oil (gasoline or diesel oil), so that although the power is strong, the noise is high, the energy consumption is high, and the environmental pollution is caused in the using process; meanwhile, due to the existing safety, environmental protection and fire protection limitations, gasoline and diesel oil cannot be purchased in bulk, so that the original mower driven by gasoline and diesel oil cannot be normally used, and therefore manual trimming and cleaning are adopted, time and labor are wasted, and efficiency is low.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provide a lawn harvester.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a lawn harvester comprises a vehicle body, a cutting part and a power device. The vehicle body comprises a main vehicle frame, a vehicle cover arranged above the main vehicle frame, a control handle and walking wheels arranged on the main vehicle frame, wherein a battery mounting bin and a mounting plate are arranged inside the main vehicle frame; an adjusting support is arranged below the handle support, a vertical sliding groove hole is formed in the tail end of the adjusting support, through holes are formed in the left side wall and the right side wall of the vertical sliding groove hole in a penetrating mode, and an auxiliary wheel structure is detachably mounted in the vertical sliding groove hole.

The cutting part is arranged on a first fixed support at the front end of the main frame and comprises a cutting roller and a cutting shield, the cutting roller comprises a power rotating shaft, two cutting blades and a cutting rope arranged between the two cutting blades, the power rotating shaft is rotatably arranged in a first shaft hole at the tail end of the first fixed support, and the tail end of the left side of the power rotating shaft is also fixedly provided with a driven wheel; two cutting blades are sleeved and fixed at the designated position on the power rotating shaft and are vertical to the power rotating shaft; a plurality of cutting ropes are arranged at positions close to the outer edges of the cutting blades, are arranged at equal intervals around the periphery of the cutting blades and are parallel to each other; the cutting protective cover is positioned between the cutting roller and the main frame, and the centers of the protective covers at the two ends of the cutting protective cover are also sleeved on the power rotating shaft.

The power device comprises a storage battery, an electric control device, a direct current brushless motor and a main switch, wherein the storage battery is placed in a battery installation bin of the main frame, the electric control device is fixedly installed on the upper side of the installation plate through an installation seat, the direct current brushless motor is supported and installed in the second fixed support, and the output end of the direct current brushless motor is connected with a driving wheel and is in transmission connection with a driven wheel on the power rotating shaft; the main switch is arranged on the handle bracket and is connected with the electric control device through a circuit, and the electric control device is respectively connected with the storage battery, the direct current brushless motor and the control handle through circuits.

Furthermore, the vehicle cover is of a shell structure with an opening at the lower end, the lower edge of the front end of the vehicle cover is mounted on the upper edge of the front end of the main vehicle frame through a hinge, and the lower part of the rear end of the vehicle cover is provided with a hasp connected with the main vehicle frame and can be opened and closed for fixing; a lifting handle is fixedly arranged on the upper side surface of the vehicle cover; and a notch corresponding to the second fixing bracket is arranged on the left side wall of the vehicle cover.

Furthermore, the second fixing bracket is of a U-shaped structure, two side walls of the rear end opening of the second fixing bracket are provided with sliding grooves which are symmetrical to each other along the length direction of the side walls, and a rotating shaft of the direct current brushless motor is fixed in the sliding grooves in a sliding manner; and an adjusting screw rod is arranged on the outer side wall of the second fixed support, one end of the adjusting screw rod is connected to the outer end of the rotating shaft of the DC brushless motor through a rod end bearing, the other end of the adjusting screw rod is sleeved with an adjusting nut, and the adjusting nut is fixed on the outer side wall of the second fixed support.

Furthermore, the positions of the handle bracket, which are contacted with the main frame, are fixed by welding, and a section of hollow channel communicated with the control handle is arranged in the handle bracket and used for arranging and placing connecting circuits; the outer portion of the right hand end of the control handle is sleeved with a rotary speed regulating handle which is connected with an electric control device through a circuit to control the rotating speed of the direct current brushless motor.

Furthermore, the auxiliary wheel structure comprises a limiting support rod and a universal wheel, and the universal wheel is fixedly arranged at the lower end of the limiting support rod; the limiting support rod is matched with the vertical sliding groove hole in the adjusting support, limiting holes corresponding to the through holes in the adjusting support are arranged in the limiting support rod at equal intervals, and the positioning pin penetrates through the through holes and the limiting holes to install the auxiliary wheel structure in the vertical sliding groove hole.

Furthermore, each cutting blade and the power rotating shaft are welded and fixed through three reinforcing rib plates, and the three reinforcing rib plates are arranged in the circumferential direction around the power rotating shaft at equal intervals; the position that is close to cutting leaf outer edge on the extension line of deep floor on the cutting leaf all is equipped with the mounting hole, and the mounting hole that corresponds on two cutting leaves is passed respectively at the both ends of cutting rope, and the outer end is fixed through the rope tightening cap, is equipped with three altogether.

Further, the cutting rope is a tensioned steel rope with a structure of phi 18.5mm and 6 x 19+ FC.

Furthermore, the cutting shield is of a semi-cylindrical shell structure and is fixedly connected to the front end of the main frame through a connecting bolt, two parallel straight groove openings are formed above the cutting shield, and the connecting bolt penetrates through the corresponding straight groove openings to be installed in a sliding mode, so that the orientation of an opening in the cutting shield can be adjusted; the lower end edge of the cutting shield is arranged in a zigzag manner.

Further, buffer gaskets are arranged in the battery installation bin and are placed between the storage battery and the bulkhead and between the storage battery and the storage battery; the right side wall of the battery installation bin is provided with a connection charging port, and the connection charging port is connected with a storage battery through a circuit.

Furthermore, the driving wheel and the driven wheel are in transmission connection through a belt or a chain; the driving wheel and the driven wheel are externally provided with a transmission shield which is fixedly arranged on the main frame through a connecting suspension loop.

Compared with the prior art, the invention has the following beneficial effects: the invention has simple structure, easy manufacture and cost saving; the noise is low when the device is used, the energy is saved, the environment is protected, and the device is safe and efficient; the energy is supplied by utilizing electric power storage, the battery can be charged once, can be used for four hours, has higher durability, and effectively solves the problem that the battery cannot be normally used due to difficulty in purchasing bulk gasoline or diesel oil; the grass cutter has beautiful forming after mowing, avoids weed flying, and effectively improves the working efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of the overall structure of the present invention;

FIG. 3 is a top view of the overall structure of the present invention;

FIG. 4 is a view showing the inner structure of the hood and a circuit connection diagram according to the present invention;

FIG. 5 is a schematic view of the main frame and the operating handle of the present invention;

FIG. 6 is a schematic view of the construction of the cutting drum of the present invention;

in the figure: 1. the device comprises a main frame, 2, a vehicle cover, 3, a control handle, 4, an auxiliary wheel structure, 5, a main switch, 6, a cutting roller, 7, a cutting shield, 8, a traveling wheel, 9, a storage battery, 10, an electric control device, 11, a direct current brushless motor, 12, a driving wheel, 13, a transmission shield, 21, a lifting handle, 31, a rotary speed regulation handle, 41, a limit support rod, 42, a universal wheel, 43, a limit hole, 44, a positioning pin, 61, a power rotating shaft, 62, a cutting blade, 63, a driven wheel, 64, a reinforcing rib plate, 65, an installation hole, 66, a cutting rope, 67, a light weight hole, 71, a straight notch, 81 and a bearing;

101. the battery fixing device comprises a battery mounting bin 102, a mounting plate 103, a first fixing support 104, a wheel fixing frame 105, a second fixing support 106, a handle support 107, an adjusting support 108, a first shaft hole 109, a second shaft hole 110, a sliding groove 111, a vertical sliding groove hole 112, a through hole 113, an adjusting screw rod 114 and an adjusting nut.

Detailed Description

It should be noted that in the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the respective components of the present invention, and do not particularly indicate that any component of the present invention must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the present invention.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally 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.

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:

as shown in fig. 1, the lawn harvester comprises a vehicle body, a cutting part and a power device, wherein the vehicle body comprises a main frame 1, a vehicle cover 2 arranged above the main frame 1, a control handle 3 and two travelling wheels 8 arranged below the main frame 1; the cutting part is arranged at the front end of the vehicle body and comprises a cutting roller 6 and a cutting shield 7; with reference to fig. 3 and 4, the power device includes four batteries 9, an electric control device 10, a dc brushless motor 11 and a general switch 5 for controlling the operation of the whole harvester.

As shown in fig. 5, the main frame 1 is a frame structure, a battery installation bin 101 and an installation plate 102 are arranged in the frame structure, a buffer gasket is arranged in the battery installation bin 101, four storage batteries 9 are stably placed in the battery installation bin 101 and are connected in series through a line, and the buffer gasket is arranged to prevent collision and abrasion between the storage batteries; the electric control device 10 is fixedly installed on the upper side surface of the installation plate 102 through an installation seat, and the electric control device 10 is connected with the storage battery 9 through a line. The front end of the main frame 1 is provided with two first fixing supports 103 extending downwards and forwards, the two first fixing supports 103 are respectively positioned at the left end and the right end of the front end of the main frame 1 and are symmetrical to each other, and the tail end of the first fixing support 103 is transversely provided with a first shaft hole 108. The central positions of the left side and the right side of the bottom of the main frame 1 are respectively fixedly welded with a wheel fixing frame 104 in an inverted U-shaped structure, the wheel fixing frames are symmetrical to each other, the lower parts of the wheel fixing frames 104 are respectively provided with a second shaft hole 109 for installing a walking wheel 8, and the two walking wheels 8 are respectively rotatably installed on the corresponding wheel fixing frames 104 through bearings 81, as shown in fig. 2, so that the walking wheels 8 play a role in supporting and walking. The upper end at the left side edge of the main frame 1 is also fixedly provided with a second fixing bracket 105, the second fixing bracket 105 is also of a U-shaped structure, and two side walls of the rear end opening of the second fixing bracket 105 are provided with sliding grooves 110 along the length direction of the side walls, and the sliding grooves are symmetrical with each other. A handle bracket 106 is arranged at the rear part of the main frame 1, and the positions of the handle bracket 106, which are contacted with the main frame 1, are fixed by welding so as to enhance the stability of the handle bracket 106; the upper rear end of the handle support 106 is fixedly connected with the control handle 3, and an operator can control the movement of the whole harvester by pushing the control handle 3; a horizontal adjusting bracket 107 extending backwards is fixedly arranged at a lower position below the handle bracket 106, a square vertical sliding slot hole 111 is arranged at the tail end of the adjusting bracket 107, and a through hole 112 penetrating through the side wall of the vertical sliding slot hole 111 is perpendicular to the vertical sliding slot hole 111. Referring to fig. 1 and 2, the vertical sliding slot 111 is detachably mounted with an auxiliary wheel structure 4, the auxiliary wheel structure 4 includes a limit stay 41 adapted to the vertical sliding slot 111 and a universal wheel 42 fixedly mounted at the lower end of the limit stay 41 through a bolt, a plurality of limit holes 43 corresponding to the through holes 112 are provided on the vertical side wall of the limit stay 41, the limit holes 43 are arranged on the limit stay 41 at equal intervals, and when the limit stay 41 is inserted into the vertical sliding slot 111 from bottom to top, the positioning pin 44 sequentially passes through the through hole 112 and the limit holes 43 at corresponding positions to fix the auxiliary wheel structure 4 and the adjusting bracket 107.

The vehicle cover 2 is of a shell structure with an opening at the lower end, the lower edge of the front end of the vehicle cover 2 is fixedly arranged on the upper edge of the front end of the main frame 1 through a hinge, and the lower part of the rear end of the vehicle cover 2 is provided with a hasp connected with the main frame 1, so that the vehicle cover 2 can be opened and closed; meanwhile, a lifting handle 21 is fixedly arranged on the upper side surface of the vehicle cover 2; and the left side wall of the vehicle cover 2 is provided with a notch corresponding to the second fixing bracket 105, so that the arrangement of the second fixing bracket 105 can not be obstructed when the vehicle cover 2 is closed.

As shown in fig. 6, the cutting drum 6 includes a power rotating shaft 61 at a central position, two cutting blades 62 fixed to the power rotating shaft 61, a driven pulley 63 at a left end of the power rotating shaft 61, and a plurality of cutting ropes 66 fastened between the two cutting blades 62. The power rotating shaft 61 is columnar and is rotatably mounted in the first shaft hole 108 of the first fixing bracket 103 through a bearing; the two cutting blades 62 are sleeved and fixed on the power rotating shaft 61 at a fixed distance and are positioned between the two first fixed brackets 103; each cutting blade 62 is perpendicular to the central axis of the power rotating shaft 61, and the cutting blades and the power rotating shaft are welded and fixed through three reinforcing rib plates 64, the three reinforcing rib plates 64 are circumferentially arranged around the circumference of the power rotating shaft 61 at equal intervals, and the stability between the cutting blades 62 and the power rotating shaft 61 is improved. Each cutting blade 62 is provided with a mounting hole 65 of a cutting rope 66, each mounting hole 65 is positioned on the extension line of the corresponding reinforcing rib plate 64 and close to the outer edge of the cutting blade 62, and the mounting holes 65 on the two cutting blades 62 correspond to each other. Two ends of the cutting ropes 66 respectively penetrate through the corresponding mounting holes 65, and the outer ends of the cutting ropes are fixed through rope tightening caps, and the number of the cutting ropes is three, and the cutting ropes are parallel to each other; the cutting rope 66 is a tensioned wire rope of 18.5mm diameter, 6 x 19+ FC construction. Each cutting blade 62 is further provided with three light holes 67 circumferentially arranged between the reinforcing rib plates 64 to reduce the weight of the entire cutting drum 6 and increase the rotational speed. The driven pulley 63 is fixedly mounted at the left end of the power rotating shaft 61 by a key.

As shown in fig. 1 and 3, the cutting guard 7 has a semi-cylindrical housing structure, and is installed between the cutting drum 6 and the main frame 1, circular holes are formed at the center positions of both ends of the cutting guard 7, and the power rotating shaft 61 passes through the circular holes of the cutting guard 7 and rotates in the cutting guard 7; two symmetrical straight notches 71 are formed in the upper portion of the cutting shield 7, the fastening bolts penetrate through the straight notches 71 to be fixed with the front end of the main frame 1 in a sliding mode, the orientation of an opening in the cutting shield 7 can be controlled by adjusting the fixing positions of the fastening bolts in the straight notches 71, and therefore the discharge direction of chopped weeds is controlled. Meanwhile, the lower edge of the cutting shield 7 is arranged in a zigzag manner and is matched with the cutting rope 66 to achieve more efficient cutting efficiency.

The brushless DC motor 11 in the power device is supported and mounted on the second fixed bracket 105, and is combined with the driving wheel 12 into a whole, the rotating shaft of the brushless DC motor is slidably mounted in the sliding groove 110 of the second fixed bracket 105, the outer end of the brushless DC motor is fixed by a nut, and the input end of the brushless DC motor 11 is connected with the storage battery 9 and the electric control device 10 by a line; the driving wheel 12 is in transmission connection with the driven wheel 63 at the left end of the power rotating shaft 61 through a belt or a chain, the transmission shield 13 is installed outside the driving wheel, and the transmission shield 13 is fixed on the main frame 1 through a connecting lug and a bolt, so that firstly, weeds are prevented from being wound between the belt and the wheel to influence power transmission, and secondly, workers are prevented from being injured due to misoperation. Referring to fig. 1 and 2, an adjusting screw 113 is disposed on an outer side wall of the second fixing support 105, one end of the adjusting screw 113 is connected to a rotating shaft of the dc brushless motor 11 through a rod end bearing, an adjusting nut 114 is sleeved on the other end of the adjusting screw, the adjusting nut 114 is mounted on a side wall of the second fixing support 105 through a nut fixing seat, and can rotate around the nut fixing seat to drive the adjusting screw 113 to adjust a fixing mounting position of the dc brushless motor 11, so as to tension a transmission belt and improve transmission efficiency.

A hollow channel is arranged inside the handle bracket 106 and is communicated with the control handle 3; the right grip of the control handle 3 is sleeved with a rotary speed regulating handle 31, the rotary speed regulating handle 31 is connected with the electric control device 10 through a circuit, and the rotating speed of the direct current brushless motor 11 is controlled by rotating the rotary speed regulating handle 31 when the electric control device is used. The main switch 5 for controlling the operation of the whole equipment is fixedly arranged on the upper side wall of the handle bracket 106 and is connected with the electric control device 10 through a line. As shown in fig. 4, the above-mentioned line connections are all arranged and installed in the hollow channel in the handle bracket 106, so that the whole device looks neat, and the occurrence of potential safety hazard in the using process due to the tangling of the lines is prevented.

As a further optimized technical scheme of the invention, the right side wall of the battery installation bin 101 is provided with a connecting charging port, the interior of the connecting charging port is connected with the storage battery 9 and the electric control device 10 through lines, and the battery can be charged once and continuously used for four hours, so that the running power of the whole equipment is ensured.

When the lawn mower is used, firstly, the height of weeds is cut off according to actual needs to adjust the height of the auxiliary wheel structure 4, the auxiliary wheel structure is fixed through the positioning pin 44, the walking wheels 8 and the universal wheels 42 are simultaneously positioned on the ground, and the height from the lower edge of the cutting shield 7 in the cutting part to the ground is just right reserved for the height of the lawn. Then, the main switch 5 is pressed down to be in an ON state, the circuit is connected, the direct current brushless motor 11 rotates, the driving wheel 12 drives the driven wheel 63 to rotate through belt transmission, the driven wheel 63 drives the power rotating shaft 61 to rotate, the cutting rope 66 is matched with the lower edge of the cutting shield 7 to cut weeds, the cut weeds enter the cutting shield 7 to be further crushed, and then the weeds are sprayed forwards from the upper edge of the cutting shield 7 to finish the trimming of the whole lawn. The rotating speed of the direct current brushless motor 11 can be controlled by rotating the rotating speed regulating handle 31 in the trimming process, so that the rotating speed of the cutting roller 6 is regulated, and weeds with different densities are trimmed.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention, and the present invention is not limited to the above-mentioned examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.

Claims

1. A lawn harvester characterized in that: comprises a vehicle body, a cutting part and a power device; the vehicle body comprises a main vehicle frame, a vehicle cover arranged above the main vehicle frame, a control handle and walking wheels arranged on the main vehicle frame, wherein a battery mounting bin and a mounting plate are arranged inside the main vehicle frame; an adjusting bracket is arranged below the handle bracket, a vertical sliding groove hole is formed in the tail end of the adjusting bracket, through holes penetrating through the left side wall and the right side wall of the vertical sliding groove hole are formed in the left side wall and the right side wall of the vertical sliding groove hole, and an auxiliary wheel structure is detachably mounted in the vertical sliding groove hole;

the cutting part is arranged on a first fixed support at the front end of the main frame and comprises a cutting roller and a cutting shield, the cutting roller comprises a power rotating shaft, two cutting blades and a cutting rope arranged between the two cutting blades, the power rotating shaft is rotatably arranged in a first shaft hole at the tail end of the first fixed support, and the tail end of the left side of the power rotating shaft is also fixedly provided with a driven wheel; two cutting blades are sleeved and fixed at the designated position on the power rotating shaft and are vertical to the power rotating shaft; a plurality of cutting ropes are arranged at positions close to the outer edges of the cutting blades, are arranged at equal intervals around the periphery of the cutting blades and are parallel to each other; the cutting protective cover is positioned between the cutting roller and the main frame, and the centers of the protective covers at the two ends of the cutting protective cover are also sleeved on the power rotating shaft;

2. A lawn harvester according to claim 1, characterized in that: the lower part of the rear end of the car cover is provided with a hasp connected with the main frame, and the hasp can be opened and closed and fixed; a lifting handle is fixedly arranged on the upper side surface of the vehicle cover; and a notch corresponding to the second fixing bracket is arranged on the left side wall of the vehicle cover.

3. A lawn harvester according to claim 1, characterized in that: the second fixing support is of a U-shaped structure, two side walls of an opening at the rear end of the second fixing support are provided with sliding grooves which are symmetrical to each other along the length direction of the side walls, and a rotating shaft of the direct-current brushless motor is fixed in the sliding grooves in a sliding manner; and an adjusting screw rod is arranged on the outer side wall of the second fixed support, one end of the adjusting screw rod is connected to the outer end of the rotating shaft of the DC brushless motor through a rod end bearing, the other end of the adjusting screw rod is sleeved with an adjusting nut, and the adjusting nut is fixed on the outer side wall of the second fixed support.

4. A lawn harvester according to claim 1, characterized in that: the positions of the handle bracket, which are contacted with the main frame, are fixed by welding, and a section of hollow channel communicated with the control handle is arranged in the handle bracket and used for arranging and placing connecting circuits; the outer portion of the right hand end of the control handle is sleeved with a rotary speed regulating handle which is connected with an electric control device through a circuit to control the rotating speed of the direct current brushless motor.

5. A lawn harvester according to claim 1, characterized in that: the auxiliary wheel structure comprises a limiting support rod and a universal wheel, and the universal wheel is fixedly arranged at the lower end of the limiting support rod; the limiting support rod is matched with the vertical sliding groove hole in the adjusting support, limiting holes corresponding to the through holes in the adjusting support are arranged in the limiting support rod at equal intervals, and the positioning pin penetrates through the through holes and the limiting holes to install the auxiliary wheel structure in the vertical sliding groove hole.

6. The lawn harvester of claim 1, wherein: each cutting blade and the power rotating shaft are fixedly welded through three reinforcing rib plates, and the three reinforcing rib plates are arranged around the power rotating shaft at equal intervals in the circumferential direction; the position that is close to cutting leaf outer edge on the extension line of deep floor on the cutting leaf all is equipped with the mounting hole, and the mounting hole that corresponds on two cutting leaves is passed respectively at the both ends of cutting rope, and the outer end is fixed through the rope tightening cap, is equipped with three altogether.

7. A lawn harvester according to claim 6, characterized in that: the cutting rope is a tension steel wire rope with a diameter of 18.5mm and a 6 x 19+ FC structure.

8. A lawn harvester according to claim 1, characterized in that: the cutting shield is of a semi-cylindrical shell structure and is fixedly connected to the front end of the main frame through a connecting bolt, two parallel straight groove openings are formed above the cutting shield, and the connecting bolt penetrates through the corresponding straight groove openings to be installed in a sliding mode, so that the direction of an opening in the cutting shield can be adjusted; the lower end edge of the cutting shield is arranged in a zigzag manner.

9. A lawn harvester according to claim 1, characterized in that: buffer gaskets are arranged in the battery mounting bin and are arranged between the storage battery and the bulkhead and between the storage battery and the storage battery; the right side wall of the battery installation bin is provided with a connection charging port, and the connection charging port is connected with a storage battery through a circuit.

10. A lawn harvester according to claim 1, characterized in that: the driving wheel and the driven wheel are in transmission connection through a belt or a chain; the driving wheel and the driven wheel are externally provided with a transmission shield which is fixedly arranged on the main frame through a connecting suspension loop.