CN113785690B - Zero-steering electric mower - Google Patents

Abstract

A zero-steering electric mower comprising: the intelligent emergency braking system comprises a universal front wheel assembly A, an emergency braking parking braking assembly B, an integral welding frame assembly C, a middle mowing disc and height adjusting assembly D, a covering part and control console assembly E, a running control assembly F, a seat assembly G, a wheel edge speed reduction driving wheel assembly H and an energy system assembly I, wherein the middle mowing disc and height adjusting assembly D consists of a mowing disc height adjusting assembly and a middle mowing disc assembly; the mowing disc height adjusting assembly comprises a lifting operating lever assembly, a lifting device rocker arm, a lifting connection welding assembly, a J-shaped side connecting shaft, a rear transition connecting plate, a J-shaped front shaft assembly, a rotating shaft and a bushing seat; the middle mowing disc assembly comprises a mowing disc caster, a cutting knife, a mowing disc front connecting plate, a mowing disc rear connecting plate and a side grass discharge cover. Through carrying out optimal design to the component structure of lawn mower, make it can satisfy horticulture lawn mowing management operation demand among the complex environment.

Description

Zero-steering electric mower

Technical Field

The invention relates to the technical field of garden machinery, in particular to a zero-steering electric mower.

Background

At present, the international market is mainly provided with an internal combustion engine power riding type mower, the domestic market is mainly provided with an internal combustion engine power manual pushing type or manual carrying type mower, the internal combustion engine power riding type mower has the problems of environmental pollution, large steering radius, large noise, low intelligent degree, poor lawn terrain adaptability and the like, and the internal combustion engine power pushing type or carrying type mower has the problems of environmental pollution, large noise, low efficiency, high labor intensity, lawn damage and the like.

When the traditional internal combustion engine power riding type mower works in courtyards and parks, the noise of the internal combustion engine greatly affects the life quality of residents, and the internal combustion engine has the defects of large steering radius, complex operation and environmental pollution caused by exhaust emission, so that the traditional internal combustion engine power riding type mower is difficult to adapt to the lawn trimming operation requirement in the environment with narrow special-shaped space and strict environmental protection requirement.

The traditional internal combustion engine power manual push type or manual backpack type mower has the advantages that the advancing speed and the mowing height are manually controlled, the phenomena of uneven lawn trimming, torn and broken grass blades, excessively low grass trimming, grass root damage and the like exist, the greening value and the ornamental value of the lawn are influenced, the lawn is damaged, the degradation of the lawn is caused, the service life of the lawn is influenced, and meanwhile, the problems of high labor intensity, poor operation quality, high labor cost and the like exist in the trimming management of football fields, golf courses, airplane factories, roadside roads and municipal greening lawns with large areas.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a zero-steering electric mower which can meet the requirements of gardening lawn trimming management in a complex environment by optimally designing the composition structure of the mower.

The technical scheme adopted by the invention is as follows: a zero-turn electric mower comprising: the universal front wheel assembly A, the emergency braking parking braking assembly B, the integral welding frame assembly C, the middle mowing disc and height adjusting assembly D, the covering piece and control console assembly E, the running control assembly F, the seat assembly G, the wheel edge speed reduction driving wheel assembly H and the energy system assembly I, wherein the middle mowing disc and height adjusting assembly D is composed of a mowing disc height adjusting assembly and a middle mowing disc assembly; the mowing disc height adjusting assembly comprises a lifting operating lever assembly, a lifting device rocker arm, a lifting connection welding assembly, a J-shaped side connecting shaft, a rear transition connecting plate, a J-shaped front shaft assembly, a rotating shaft and a bushing seat; the middle mowing disc assembly comprises a mowing disc caster, a cutting knife, a mowing disc front connecting plate, a mowing disc rear connecting plate and a side grass discharge cover;

the lower end of a rear transition connecting plate in the mowing disc height adjusting assembly is connected to two ends of a rotating shaft, the lower end of a rocker arm of a lifting device is connected to the end face of one side of the rotating shaft, a bushing seat is installed in an installation hole of an integral welding frame assembly C, a combined piece of the rear transition connecting plate, the rocker arm of the lifting device and the rotating shaft is installed in the bushing seat, and a combined piece of a lifting control rod penetrates through an arc-shaped plate welding piece in the integral welding frame assembly C and is hinged to the upper end of the rocker arm of the lifting device; a front connecting plate of a mowing disc in the middle mowing disc assembly is connected to the mowing disc, a rear connecting plate of the mowing disc is respectively connected to the left side and the right side of the rear section of the mowing disc, and trundles of the mowing disc are respectively installed on installation supports at two sides of the mowing disc; the cutting knife motor is arranged in the mounting hole at the upper part of the mowing disc and drives the cutting knife, and the side grass discharge cover is arranged on the mounting support of the mowing disc; the front ends of the lifting connection welding pieces are hinged to an integral welding frame assembly C respectively, the rear ends of the lifting connection welding pieces are hinged to holes of a rear connecting plate of a mowing disc through the lower ends of J-shaped side connecting shafts, the upper ends of the J-shaped side connecting shafts are hinged to holes of the upper end of a rear transition connecting plate, the lower ends of the J-shaped front shaft pieces are hinged to a front connecting plate of the mowing disc, the upper ends of the J-shaped front shaft pieces are hinged to the integral welding frame assembly C, and a rocker arm of the lifting device, the rear transition connecting plate and a rotating shaft are of an integrated structure, so that a four-link mechanism consisting of the J-shaped side connecting shafts, the lifting connection welding pieces and the rear connecting plate of the mowing disc is driven to move in the rotation of the rear transition connecting plate and the rotating shaft, the mowing disc is driven to move up and down, and automatic leveling of the mowing disc is achieved through the J-shaped front shaft pieces under the action of gravity.

As a preferred scheme, an integral welding frame assembly C is taken as a base, a universal front wheel assembly A is arranged in a front wheel shaft sleeve at the front end of longitudinal beams at two sides of the integral welding frame assembly C, a wheel edge speed reduction driving wheel assembly H is arranged at the rear end of the longitudinal beams at two sides of the integral welding frame assembly C, an emergency braking parking braking assembly B is arranged at the center position of the front part of the integral welding frame assembly C, a braking flexible shaft assembly of the emergency braking parking braking assembly B is connected with a braking rocker arm on the wheel edge speed reduction driving wheel assembly H, a mowing disc and a height adjusting assembly D are arranged at the middle part of the integral welding frame assembly C, an energy source system I is arranged at the right upper part of the rear section of the integral welding frame assembly C, a covering piece and a control console assembly E are arranged at the upper part of the integral welding frame assembly C, and a running control assembly F is arranged on the middle part of the integral welding frame assembly C, the seat assembly G is arranged at the upper part of the rear end of the covering part and the control console assembly E and is hinged with the mounting bracket of the integral welding frame assembly C.

Preferably, the universal front wheel assembly A comprises a front wheel main pin, a front wheel support U-shaped plate, a front wheel shaft spacer bush, a front wheel main shaft, a front wheel assembly, a front wheel bearing and a dust cover;

a front wheel main pin in a universal front wheel assembly A is installed in a front wheel shaft sleeve at the front end of longitudinal beams on two sides of an integral welding frame assembly C in an interference fit mode through front wheel bearings on two ends, a front wheel support U-shaped plate is connected to the lower end of the front wheel main pin, a front wheel spindle penetrates into a mounting hole in one side of the lower end of the front wheel support U-shaped plate, a front wheel shaft spacer bush, a front wheel assembly and a front wheel shaft spacer bush are sequentially installed on the front wheel spindle, and the front wheel spindle penetrates out of the mounting hole in the other side of the lower end of the front wheel support U-shaped plate and is fixed.

As the preferred scheme, the emergency braking parking brake assembly B comprises an ear seat base welding part, a brake pedal rocker arm part, a braking rotating shaft, a flexible shaft front assembling shaft and a braking flexible shaft part;

the lug seat base welding piece is installed on a front cross beam of the integral welding frame assembly C, the brake pedal rocker arm assembly is installed on a support at the center of the front portion of the integral welding frame assembly C through a brake rotating shaft, an assembling shaft in front of a flexible shaft is installed on the brake pedal rocker arm assembly, the front end of the brake flexible shaft assembly is installed at two ends of a flexible shaft front assembling shaft respectively, and the rear end of the brake flexible shaft assembly is installed on a brake rocker arm of a wheel edge speed reduction driving wheel assembly G.

As a preferred scheme, the integral welding frame assembly C comprises a frame rear beam welding piece, a charging port support, a frame welding piece, an electric appliance comprehensive control panel support welding piece, an arc-shaped plate welding piece and a front decoration mounting plate welding piece;

the frame seam piece assembly becomes the basic part of integral welding frame assembly C, and frame back beam seam piece is installed the frame seam piece assembly both sides crossbeam and is just the rear end, and the mouthful support that charges is installed the upper end centre position of frame back beam seam piece, and on frame seam piece middle part left side and right side support were installed respectively to electrical apparatus integrated control panel support seam piece, on the anterior right side support was installed to the frame seam piece to the arc plate seam piece, on the anterior crossbeam of frame seam piece was installed to the preceding decorative mounting panel seam piece.

Preferably, the covering part and console assembly E comprises a back panel assembly, a back plate, a lower panel, a side panel, a right console panel, a left display panel, a console assembly, a floor assembly and a front trim panel;

the lower surrounding plate in the covering part and the control console assembly E are respectively arranged on the welding brackets on the left side and the right side of the rear section of the integral welding frame assembly C, the rear side plate is arranged on the welding bracket on the upper rear part of the integral welding frame assembly C, the side surrounding plates are respectively arranged on the welding brackets on the left side and the right side of the middle upper part of the integral welding frame assembly C and are connected with the lower surrounding plate, the control console assembly is arranged on the welding bracket on the middle upper part of the integral welding frame assembly C and is connected with the side surrounding plates through seam end surface buckles, the rear surrounding plate assembly is arranged on the rear end brackets on the longitudinal beams on the two sides of the integral welding frame assembly C and is connected with the rear side plate and the lower surrounding plate through end surface buckles, the right control panel is pressed on the right side of the control console assembly and is arranged on the welding assembly of the electric appliance integrated control panel bracket on the right side of the integral welding frame assembly C through screws, and the left display panel is pressed on the left side of the control console assembly, and is installed on the welding piece of the bracket of the electrical appliance integrated control panel on the left side of the integral welding frame assembly C through screws, the floor assembly is installed on the front section of the middle part of the integral welding frame assembly C, and the front decorative plate is installed on the welding piece of the front decorative mounting plate.

Preferably, the driving control assembly F comprises a driving control handle, an automatic return spiral spring, a driving control safety switch, a driving control handle sheath, a sensor assembly, a driving control rocker arm and a damper assembly;

based on a running control rocker arm, an automatic reset spiral spring is installed on the outer side of the lower end of the running control rocker arm, a sensor assembly is installed on the outer side of the automatic reset spiral spring, the relative positions of the sensor assembly, the reset spiral spring and the running control rocker arm are adjusted, the upper end of a damper assembly is installed in a hole in the lower end of the running control rocker arm, a running control handle is installed at the upper end of the running control rocker arm, a running control safety switch is installed in the middle of the running control handle, the upper end of a running control handle sheath is installed at the lower end of the running control handle, a running control assembly F is installed on a welding support in the middle of an integral welding frame assembly C through the sensor assembly, the lower end of the damper assembly is connected with a support at the bottom of the integral welding frame assembly C, and the lower end of the running control handle sheath is fixed on a control platform assembly.

Preferably, the seat assembly G comprises a damping spring, a seat armrest, a seat rail, a seat bottom plate assembly and a seat;

the seat bottom plate assembly is used as a base, the damping spring is arranged below the rear part of the seat bottom plate assembly, the seat guide rail is arranged on the seat bottom plate assembly, the seat is arranged on the seat guide rail, the seat armrests are arranged in the middle parts of two sides of a seat backrest to form a seat assembly G, and the seat assembly G is arranged on the upper parts of the rear ends of the covering piece and the control console assembly E through a front end support of the seat bottom plate assembly and is hinged with a mounting support of the integral welding frame assembly C.

Preferably, the wheel-side speed reduction driving wheel assembly H comprises a driving wheel assembly, a speed reducer assembly, a driving motor, a speed reducer connecting rod, a braking rocker arm and a driving wheel connecting flange;

the speed reducer assembly is installed on the lower end face of longitudinal beams on two sides of the rear end of the integral welding frame assembly C, the speed reducer connecting rod is installed between the left speed reducer assembly and the right speed reducer assembly, the driving motor is installed on the end face of the inner side of the speed reducer assembly, the brake rocker arm is installed on the shell on the outer side of the speed reducer assembly, the driving wheel connecting flange is installed on the driving shaft on the outer side of the speed reducer assembly, and the driving wheel assembly is installed on the flange on the outer side of the driving wheel connecting flange.

Preferably, the energy system assembly I comprises a charging seat assembly, a lifting lug welding assembly, a battery pack and an energy system base;

the energy system base is arranged on the integral welding frame assembly C, the battery pack is arranged on the energy system base, the lifting lug welding parts are respectively arranged on two side surfaces of the battery pack, one end of the charging seat component is arranged on a socket at the rear end of the battery pack, and the other end of the charging seat component is fixed on a charging port support at the rear end of the integral welding frame assembly C through the covering part and a back panel part at the rear end of the console assembly E.

The invention has the beneficial effects that:

according to the scheme, the composition structure of the mower is optimally designed, so that the requirements of gardening lawn trimming management operation in a complex environment can be met; the electric mower adopts the lithium battery pack to provide the working power of the whole mower, the two rear driving wheels respectively and independently control the rotating speed and the rotating direction, and the front wheels follow the universal sliding, so that the zero-steering function can be realized, and the operational use performance is greatly improved; the two-gear mowing working device is adopted, so that the working rotating speed of the mowing tool bit can be adjusted according to the requirements of working conditions, and the use requirements of various working conditions are met; by adopting the 12-level grass cutting device height adjusting mechanism, the height of the grass cutting device can be adjusted in a larger range. The zero-steering electric mower is comfortable and simple to operate, has good use performance and can meet various operation requirements; the specific technical effects are summarized as follows:

firstly, the output power of a driving motor is decelerated through a speed reducer assembly, so that the output power meets the driving requirements of the mower under different working conditions; secondly, the energy system adopts a lithium battery pack to provide power for a driving motor and a cutting knife motor, so that the endurance time of the whole machine can be ensured to meet the operation requirement; and the output rotating speeds of the left driving motor and the right driving motor are controlled by the independent controllers, the whole mower has smaller steering radius by adjusting the control handle assembly on the corresponding side, when the motor on one side rotates forwards and the motor on one side rotates backwards, zero steering of the mower can be realized, the operation adaptability of the mower is improved, and meanwhile, the walking motor stops rotating and provides anti-sound braking torque when the operation handle is arranged in a middle position, so that the driving brake is realized, the structure is compact, and the integration level is high. Fourthly, the two motors of the mowing disc cutter are controlled by an independent controller, so that the mowing disc cutter can work at different rotating speeds, and the cutting knife motor is provided with two rotating speeds, so that the requirements of different working conditions can be met; the whole electric mower adopts an emergency braking and parking braking integrated structure, when the mower is in emergency braking and treads on a brake pedal, a walking motor stops rotating and provides a counter-sound braking torque, and meanwhile, a braking rocker arm is pulled by a braking flexible shaft assembly, so that the braking acceleration is increased and the braking distance is reduced by friction braking of a rear driving wheel, and when the parking brake treads on the brake pedal, the braking flexible shaft assembly pulls the braking rocker arm to directly lock a rear driving wheel brake disc, so that the parking braking is realized, and the intelligent and reliable effects are achieved; sixth, the electric mower adopts integral welding frame assembly, makes the lawn mower have better operating strength.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a direct current zero-steering mower;

FIG. 2 is a schematic structural view of a universal front wheel assembly of the present invention;

FIG. 3 is a schematic structural view of an emergency brake park brake assembly according to the present invention;

FIG. 4 is a schematic structural view of an integral welded frame assembly of the present invention;

FIG. 5 is a schematic view of the height adjustment assembly of the mowing disc of the present invention;

FIG. 6 is a schematic structural view of a center mower reel assembly according to the present invention;

FIG. 7 is a schematic view of the cover and console assembly of the present invention;

FIG. 8 is a schematic structural view of a driving control assembly according to the present invention;

FIG. 9 is a schematic view of a seat assembly according to the present invention;

FIG. 10 is a schematic view of a wheel-side decelerating driving wheel assembly according to the present invention;

fig. 11 is a schematic structural diagram of an energy system assembly according to the present invention.

Reference numerals:

A. a universal front wheel assembly; 1. a front wheel kingpin; 2. a front wheel bracket U-shaped plate; 3. a front axle spacer sleeve; 4. a front wheel spindle; 5. a front wheel assembly; 6. a front wheel bearing; 7. a dust cover;

B. an emergency braking parking brake assembly; 8. an ear mount base weld; 9. a brake pedal rocker assembly; 10. braking the rotating shaft; 11. a shaft is assembled in front of the flexible shaft; 12. braking the flexible shaft assembly;

C. integrally welding a frame assembly; 13. a frame rear beam welding part; 14. a charging port bracket; 15. a frame weldment; 16 electric appliance integrated control panel bracket welding parts; 17. a curved plate weldment; 18. a front trim mounting plate weldment;

D. a mowing disc and a height adjusting assembly are arranged in the middle; 19. a lift lever assembly; 20. a lifting device rocker arm; 21. the welding part is connected in a lifting way; a J-shaped side connecting shaft; 23. a rear transition connecting plate; a J-shaped front axle assembly; 25. a rotating shaft; 26. a bushing seat; 27. mowing disc caster wheels; 28. cutting; 29. a front connecting plate of the mowing disc; 30. a mowing disc; 31. a cutter motor; 32. a rear connecting plate of the mowing disc; 33. a side grass discharge cover;

E. a covering part and a control console assembly; 34. a back panel assembly; 35. a rear side plate; 36. a lower coaming plate; 37. side coaming plates; 38. a right control panel; 39. a left display panel; 40. a console assembly; 41. a floor assembly; 42. a front fascia;

F. a vehicle operation assembly; 43. a travel control handle; 44. an automatic return coil spring; 45. a travel control safety switch; 46. a form control handle sheath; 47. a sensor assembly; 48, a driving control rocker arm; 49 a damper assembly;

a seat assembly; 50. a damping spring; 51. a seat armrest; 52. a seat rail; 53. a seat pan assembly; 54. chair (Ref. now to FIGS)

H. A hub reduction drive wheel assembly; 55. a drive wheel assembly; 56. a reducer assembly; 57 a drive motor; 58 reducer connecting rods; 59 braking the rocker arm; 60. driving wheel connecting flange

I. An energy system assembly; 61. an electrical base assembly; 62. a lifting lug welding part; 63. a battery pack; 64. energy system base.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention are not to be construed as limiting in number, but rather as indicating the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items.

Examples 1,

The detailed structure and arrangement of the components of the present embodiment are described in detail below with reference to fig. 1 to 11:

in this embodiment, the directions described therein all use the direction of the head of the mower as the reference, as shown in fig. 1: a zero turns to electric mower, can be used to operations such as horticulture lawn pruning, mainly includes: the system comprises a universal front wheel assembly A, an emergency braking parking braking assembly B, an integral welding frame assembly C, a middle mowing disc and height adjusting assembly D, a covering part and control console assembly E, a running control assembly F, a seat assembly G, a wheel edge speed reduction driving wheel assembly H and an energy system assembly I;

the integral welding frame assembly C is an assembly foundation of the whole mower, other parts are directly or indirectly assembled and fixed on the frame, and the integral welding frame assembly C can greatly improve the structural strength of the whole mower and meet various operation load requirements; the universal front wheel assembly A is arranged in front wheel shaft sleeves at the front ends of longitudinal beams on two sides of the integral welding frame assembly C, so that the front support of the whole mower is provided and the steering function of the whole mower is realized, and the universal front wheel assembly A can realize 360-degree free rotation according to the speed difference between the left rear driving wheel and the right rear driving wheel and the lawn terrain, so that the zero-steering radius operation of the whole mower is realized, and the operation adaptability of the whole mower is improved; the wheel edge speed reduction driving wheel assembly H is arranged at the rear end of the longitudinal beams at the two sides of the integral welding frame assembly C, rear support, driving power for driving and braking control are provided for the whole electric mower, the motor directly drives the speed reducer, and the energy transmission efficiency and the running safety of parts are improved; the emergency braking parking brake assembly B is arranged in the center of the front part of the integral welding frame assembly C, so that the functions of emergency braking and parking braking in running are realized, the integration level is high, the types of parts are reduced, and the cost is well controlled; the middle mowing disc and the height adjusting assembly D are arranged in the middle of the integral welding frame assembly C, are working devices of the mower, are mainly used for mowing, can adjust mowing heights according to user requirements, meet the control of grass trimming and grass reserving heights of different grass seeds and different lawns, and enhance the adaptability of the mower; the energy system I is arranged right above the rear section of the integral welding frame assembly C and provides electric energy supply and energy storage for driving, mowing, electric appliances and control elements of the mower, and the lithium battery energy system is green, environment-friendly and long in endurance time; the covering piece and the control console assembly E are arranged on the upper part of the integral welding frame assembly C, so that external protection is provided for the whole mower, structural support is provided for the installation of each control system and electrical elements, the appearance is attractive, and the structure is compact and practical; the running control assembly F is arranged on the middle part of the integral welding frame assembly C to provide safe running control for the use of the mower, the left running control assembly F and the right running control assembly F respectively and independently control the corresponding side running driving wheel assemblies, different front and rear positions correspond to different fixed vehicle speeds, the speeds of the two side rear driving wheels are equal when the front and rear positions are the same, the running control handle is pushed forwards from a middle position to be forward, pulled backwards from the middle position to be backward, the pulling back process from the front position to the middle position is forward speed reduction, the pushing back process from the rear position to the middle position is backward speed reduction, the running control handle is used for driving braking when being placed at the middle position, the left running control handle and the right running control handle are used for steering when forming a front and rear position difference, and the steering radius depends on the positions of the running control handles at the two sides to form a front and rear position difference, the larger the difference is, the smaller the turning radius is; the seat assembly G is arranged on the covering part and the upper part of the rear end of the control console assembly E and is used for a driver of the mower to take, the seat assembly G has the function of safely starting the mower, and the driver can normally start the mower only when sitting on the seat assembly G, otherwise, the alarm display can be realized.

As shown in fig. 2 and 4, the universal front wheel assembly a mainly includes: the front wheel assembling device comprises a front wheel main pin 1, a front wheel support U-shaped plate 2, a front wheel shaft spacer 3, a front wheel main shaft 4, a front wheel assembling part 5, a front wheel bearing 6 and a dust cover 7; the front wheel main pin 1 in the universal front wheel assembly A is arranged in front wheel shaft sleeves at the front ends of longitudinal beams on two sides of the integral welding frame assembly C in an interference fit mode through front wheel bearings 6 on two ends, steps are arranged in the front wheel shaft sleeves to achieve axial positioning of the front wheel bearings, the front wheel bearings 6 achieve radial positioning of the front wheel main pin 1, meanwhile, friction force generated when the universal front wheel assembly A rotates around the front wheel main pin 1 is reduced, and steering is flexible; the front wheel support U-shaped plate 2 is welded to the lower end of the front wheel main pin 1 and used for installing and fixing a front wheel, meanwhile, the front wheel support U-shaped plate 2 is of a gravity center offset structure, can rotate around the front wheel main pin 1 and adjust according to the speed difference of the left rear driving wheel and the right rear driving wheel, the lawn terrain position and the gravity center position transfer condition of the mower under the current working condition, can rotate 360 degrees, and can realize the zero-turning radius operation of the whole electric mower by matching with the speed difference of the left rear driving wheel and the right rear driving wheel, so that the operation adaptability of the whole mower is improved; penetrate front wheel main shaft 4 from the mounting hole of 2 lower extreme one sides of front wheel support U template, with front wheel axle spacer 3, prevent front wheel assembly 5, front wheel axle spacer 3 is installed on front wheel main shaft 4 in proper order, and wear out fixedly in the mounting hole of 2 lower extreme opposite sides of front wheel support U template with front wheel main shaft 4, dust cover 7 is installed the front wheel axle sleeve upper end of integral welding frame assembly C both sides longeron front end, prevent that dust and rainwater from getting into, guarantee the 360 degrees free rotations that universal front wheel assembly A goes on around front wheel swizzle 1.

As shown in fig. 3, 4 and 10, the emergency brake parking brake assembly B mainly includes: the device comprises an ear seat base welding part 8, a brake pedal rocker arm part 9, a brake rotating shaft 10, a flexible shaft front assembly shaft 11 and a brake flexible shaft part 12; the lug seat base welding part 8 is arranged on a beam at the front part of the integral welding frame assembly C and is used for locking a brake pedal after a brake pedal rocker arm part 9 is stepped down during parking braking so as to realize the requirement of the parking braking function; the brake pedal rocker assembly 9 is mounted on a bracket at the center of the front part of the integral welding frame assembly C through a brake rotating shaft 10, a flexible shaft front assembly shaft 11 is mounted on the brake pedal rocker assembly 9, the front end of a brake flexible shaft assembly 12 is respectively mounted at two ends of the flexible shaft front assembly shaft 11, and the rear end of the brake flexible shaft assembly 12 is mounted on a brake rocker arm 59 of a wheel edge deceleration driving wheel assembly G; the emergency braking parking braking assembly B is used for emergency braking and parking braking in the operation of the mower, when a brake pedal is stepped on in the operation, the rear wheel is subjected to friction braking, and meanwhile, the driving motor 57 stops rotating and provides reverse braking torque, so that rapid emergency braking is realized; when parking braking is performed, a brake pedal is stepped down and is clockwise rotated and hung to the ear seat base welding piece 8, a brake friction block and a driving structure in the rear wheel reducer assembly 56 are directly locked, mechanical locking parking braking is achieved, and braking is safe and reliable; the integrated mechanism with the front emergency braking and parking braking function is high in safety, simple in structure, convenient to operate and good in operating comfort.

As shown in fig. 4, 5, 6, 7 and 11, the integral welded frame assembly C mainly includes: the welding part of the rear frame beam 13, the charging port bracket 14, the welding part of the frame 15, the welding part of the comprehensive control panel bracket 16 of the electric appliance, the welding part of the arc-shaped plate 17 and the welding part of the front decorative mounting plate 18; the integral welding frame assembly C is used for assembling other part assemblies of the whole mower, wherein the frame welding piece assembly 15 is a basic part of the integral welding frame assembly C, the frame back beam welding piece 13 is installed at the front rear end of cross beams on two sides of the frame welding piece assembly 15, the frame back beam welding piece 13 is an assembly of U-shaped steel and a stamping traction plate and is used for installing other parts, reserving hanging traction auxiliary tools and the like, the structure is firm and reliable, and the integral welding frame assembly C can be adapted to various auxiliary tools; the charging port bracket 14 is arranged at the center of the upper end of the frame rear beam welding piece 13 and is used for installing and fixing the charging seat component 61; the electric appliance integrated control panel bracket welding piece 16 is respectively arranged on the left side and the right side bracket in the middle of the frame welding piece 15, the left side is used for arranging a left display panel 39, the right side is used for a right control panel 38, and the electric appliance integrated control panel bracket welding piece 16 is provided with a snap nut which can be adaptively adjusted according to the installation conditions of the left display panel 39 and the right control panel 38, so that the neat and beautiful appearance of the whole machine is achieved; the arc-shaped plate welding piece 17 is arranged on a right side support in the front of the frame welding piece 15 and used for limiting a lifting control rod assembly 19 in a middle mowing disc and a height adjusting assembly D, 12 limiting grooves are formed in the arc-shaped plate welding piece 17, different limiting grooves correspond to different mowing heights, and a user can select a proper limiting groove to clamp a limiting mechanism on the lifting control rod assembly 19 into the groove for limiting according to needs, so that mowing height adjustment is realized, control of grass remaining heights during mowing of different grass varieties and different lawns is met, and adaptability of the mower is enhanced; the front trim mounting plate seam part 18 is mounted on a front cross beam of the frame seam part 15 for mounting a front trim 42 and the like and simultaneously carrying a driver's pedaling force when the mower is used; the integral welding frame is adopted, the bearing capacity of the whole machine is large, the working strength is high, the assembly is simple, the operation requirements of high strength and severe working conditions can be met, and the product adaptability is wider.

As shown in fig. 4, 5 and 6, the middle mowing disc and height adjusting assembly D is composed of a mowing disc height adjusting assembly and a middle mowing disc assembly, wherein the mowing disc height adjusting assembly mainly includes: the lifting control lever assembly 19, the lifting device rocker arm 20, the lifting connection assembly 21, the J-shaped side connecting shaft 22, the rear transition connecting plate 23, the J-shaped front shaft assembly 24, the rotating shaft 25 and the bushing seat 26; the middle mowing disc assembly mainly comprises: the mowing disc comprises mowing disc castors 27, cutting knives 28, a mowing disc front connecting plate 29, a mowing disc 30, a cutting knife motor 31, a mowing disc rear connecting plate 32 and a side grass discharge cover 33. The lower end of a rear transition connecting plate 23 is welded at the position, close to the end faces, of two ends of a rotating shaft 25 on the basis of the rotating shaft 25, the lower end of a lifting device rocker arm 20 is welded at the position of the right end face of the rotating shaft 25, a bushing seat 26 is installed in an installation hole of a left side longitudinal beam and a right side longitudinal beam in the middle of an integral welding frame assembly C, a combined piece welded with the rear transition connecting plate 23, the lifting device rocker arm 20 and the rotating shaft 25 is installed in the bushing seat 26, and a lifting control rod combined piece 19 penetrates through an arc-shaped plate welding piece 17 to be hinged and installed at the upper end of the lifting device rocker arm 20; based on a mowing disc 30, a front connecting plate 29 of the mowing disc is welded on the middle part of the front section of the mowing disc 30, rear connecting plates 32 of the mowing disc are respectively welded on the left side and the right side of the rear section of the mowing disc 30, and mowing disc caster wheels 27 are respectively installed on a left front side and a right front side installing support of the mowing disc 30; the cutting knife motor 31 is arranged in an installation hole at the upper part of the mowing disc 30, the cutting knife 28 is arranged on a rotating shaft at the lower end of the cutting knife motor 31, and the side grass discharge cover 33 is arranged on a support arranged on the upper surface of the right side of the mowing disc 30; the cutting knife motor 31 outputs power to directly drive the cutting knife 28 to rotate at high speed, so that lawn trimming operation is realized, the energy transfer efficiency is high, the torque reserve is large, meanwhile, the cutting knife motor 31 can realize double-rotating-speed output, a user can select the cutting knife operation speed according to the operation working condition, the lawn trimming device can adapt to lawn operation requirements of different flexibility, different close planting degrees and different grass seeds, and the product operation adaptability is wide; when the lawn mower carries out lawn trimming operation, under the action of the quick rotation of the cutting knife, grass clippings after lawn trimming can be orderly discharged through the guiding of the side grass discharge cover 33, and meanwhile, the side grass discharge cover 33 is provided with a self-resetting device, so that the size of a grass discharge opening can be timely and automatically adjusted according to the grass discharge amount, the grass clippings are prevented from splashing, and the operation environment is protected; the front end of a lifting connection welding piece 21 is respectively hinged and installed in a left side longitudinal beam support and a right side longitudinal beam support of the front section of the integral welding frame assembly C, the rear end of the lifting connection welding piece 21 is hinged and installed in a hole 32 of a rear connecting plate of a mowing disc through the lower end of a J-shaped side connecting shaft 22, the upper end of the J-shaped side connecting shaft 22 is hinged and installed in a hole at the upper end of a rear transition connecting plate 23, the lower end of a J-shaped front shaft piece 24 is hinged and installed on a front connecting plate 29 of the mowing disc, and the upper end of the J-shaped front shaft piece 24 is hinged and installed on a mounting support below the middle part of a front end beam of the integral welding frame assembly C; when the mowing height needs to be adjusted, the lifting control rod assembly 19 is lifted or lowered to drive the lifting device rocker arm 20 to rotate, the lifting device rocker arm 20 is welded with the rear transition connecting plate 23 and the rotating shaft 25 into a whole, so that the rear transition connecting plate 23 and the rotating shaft 25 rotate to drive the four-link mechanism consisting of the J-shaped side connecting shaft 22, the lifting connection welding assembly 21 and the mowing disc rear connecting plate 32 to move, the mowing disc 30 is further driven to move up and down, meanwhile, the mowing disc 30 is automatically leveled through the J-shaped front shaft assembly 24 under the action of gravity, the mowing height is adjusted, control of grass remaining height of different grass varieties and different lawn mowing heights is met, and the adaptability of the mower is enhanced.

As shown in fig. 4 and 7, the cover and console assembly E mainly includes a back panel assembly 34, a back panel 35, a lower panel 36, a side panel 37, a right console panel 38, a left display panel 39, a console assembly 40, a floor assembly 41, and a front trim panel 42; the covering part and the control board assembly E are mainly used for realizing the structural arrangement of the modeling and the control functions of the whole machine, a lower coaming 36 is arranged on a welding bracket on the left side and the right side of the rear section of an integral welding frame assembly C, a rear side plate 35 is arranged on a welding bracket on the upper rear part of the integral welding frame assembly C, side coamings 37 are respectively arranged on the welding brackets on the left side and the right side of the upper middle part of the integral welding frame assembly C and are connected with the lower coamings 36, a control board assembly 40 is arranged on the welding bracket on the upper middle part of the integral welding frame assembly C and is connected with the side coamings 37 through seam end surface buckles, a rear coamings 34 is arranged on the rear end brackets of longitudinal beams on two sides of the integral welding frame assembly C and is connected with the rear side plate 35 and the lower coamings 36 through end surface buckles, a right control panel 38 is pressed on the right side of the control board assembly 40 and is arranged on an electric appliance integrated control panel bracket welding assembly 16 on the right side of the integral welding frame assembly C through screws, the left display panel 39 is pressed on the left upper surface of the control console assembly 40 and is installed on the electric appliance integrated control panel bracket welding assembly 16 on the left side of the integrated welding frame assembly C through screws, the floor assembly 41 is installed on the middle front section of the integrated welding frame assembly C, and the front decorative plate 42 is installed on the front decorative mounting plate welding assembly 18; when the mower needs maintenance, fault diagnosis and part replacement and maintenance can be carried out by quickly removing the back panel assembly 34, which is convenient and quick; the left display panel 39 can display the information of the residual electric quantity SOC, the endurance mileage, the operation duration and the like of the energy system of the mower, the right control panel 38 comprises a starting switch, an emergency stop switch, a cutting knife working rotating speed selecting and installing switch, a mower walking vehicle speed gear selecting and installing switch, a headlight switch and the like, the operation and the observation are convenient and comfortable in the optimal area of the human-machine engineering, and the high-speed or low-speed walking and mowing operation can be flexibly selected according to the operation requirements.

As shown in fig. 4, 8 and 10, the driving operation assembly F mainly includes a driving operation handle 43, an automatic return coil spring 44, a driving operation safety switch 45, a driving operation handle sheath 46, a sensor assembly 47, a driving operation rocker arm 48 and a damper assembly 49; an automatic return coil spring 44 is installed to the outer side of the lower end of the travel manipulation rocker arm 48 on the basis of the travel manipulation rocker arm 48, the automatic return coil spring 44 being used to provide manipulation resistance or an automatic return-back force; the sensor assembly 47 is arranged on the outer side of the automatic return spiral spring 44, and the relative positions of the sensor assembly 47, the return spiral spring 44 and the driving control rocker arm 48 are adjusted, so that the central position of the mechanical structure corresponds to the zero position of the sensor; the upper end of a damper assembly 49 is arranged in a lower end hole of the running control rocker arm 48, and the damper assembly 49 is used for providing running control or automatic return damping force for the running control handle 43, so that the control and the automatic return are more comfortable and smooth, and the control and return impact force is reduced; the running control handle 43 is arranged at the upper end of the running control rocker arm 48, the running control safety switch 45 is arranged in the middle of the running control handle 43, the running control handle 43 is held by the first hand during running control, the running control safety switch 45 arranged on the running control handle 43 is pressed, running control can be normally operated, otherwise, control is failed, and potential safety hazards caused by misoperation are effectively avoided; the upper end of a driving control handle sheath 46 is arranged at the lower end of a driving control handle 43, a driving control assembly F is arranged on a welding support in the middle of an integral welding frame assembly C through a sensor assembly 47, the lower end of a damper assembly 49 is connected with a bottom support of the integral welding frame assembly C, and the lower end of the driving control handle sheath 46 is fixed on the upper surface of a control platform assembly 40. The driving control assembly F is mainly used for controlling the advancing speed, the backing speed and the braking in the driving process of the mower, and in the process of controlling the driving control handle 43, the driving motor 57 realizes the functions of accelerating or decelerating, forward rotating or reverse rotating and stopping rotating under the control of the controller according to the signals fed back by the sensor assembly 47, and provides reverse torque braking and the like; under the action of the automatic return spiral spring 44 and the damper assembly 49, the driving control handle 43 can automatically and slowly return to the middle position after the hands of a driver leave the driving control handle 43, and the safety control guarantee is increased.

As shown in fig. 4 and 9, the seat assembly G mainly includes: a damper spring 50, a seat armrest 51, a seat rail 52, a seat pan assembly 53, and a seat 54; based on a seat bottom plate assembly 53, a damping spring 50 is arranged at the rear lower surface of the seat bottom plate assembly 53, a seat guide rail 52 is arranged on the seat bottom plate assembly 53, a seat 54 is arranged on the seat guide rail 52, seat armrests 51 are arranged at the middle parts of two sides of a backrest of the seat 54, and a seat assembly G is hinged and arranged at the upper part of the rear end of a covering piece and control panel assembly E through a front end bracket of the seat bottom plate assembly 53; the seat assembly G is mainly used for driving a driver when the mower is used, and the damping spring 50 is used for reducing the speed and vibrating of the seat 54 during the operation and the running of the mower; the use requirements of different drivers are comprehensively considered, the seat cushion and the backrest of the seat 54 both adopt a bionic mechanism, the driver can move the seat 54 back and forth along the seat guide rail 52 according to the driving requirements to adjust, and the seat armrests are fixed on the two sides of the seat through the braking rotating shafts, so that the driver has better driving experience.

As shown in fig. 3, 4 and 10, the wheel-side decelerating drive wheel assembly H mainly includes: a driving wheel assembly 55, a speed reducer assembly 56, a driving motor 57, a speed reducer connecting rod 58, a brake rocker arm 59 and a driving wheel connecting flange 60; the reducer assembly 56 is arranged on the lower end face of longitudinal beams on two sides of the rear end of the integral welding frame assembly C, and the reducer connecting rod 58 is arranged between the left reducer assembly 56 and the right reducer assembly 56, so that the left reducer assembly 56 and the right reducer assembly 56 form a whole, and the stability is improved; the driving motor 57 is mounted on the end surface of the inner side of the speed reducer assembly 56, and provides driving force for the driving wheel assembly 55 through the speed reducer assembly 56 and the driving wheel connecting flange 60; the braking rocker arm 59 is arranged on the shell on the outer side of the speed reducer assembly 56, the braking rocker arm 59 can rotate around a mounting shaft on the speed reducer assembly 56, the braking rocker arm 59 is simultaneously connected with the braking flexible shaft assembly 12, and braking force can be provided for the whole mower by stepping on a braking pedal; a driving wheel connecting flange 60 is mounted on the driving shaft outside the reducer assembly 56, and a driving wheel assembly 55 is mounted on the flange outside the driving wheel connecting flange 60; the wheel edge speed reduction driving wheel assembly H is mainly used for supporting the weight of the whole mower and providing driving force for the whole mower to run.

As shown in fig. 4, 7, and 11, the energy system assembly I mainly includes: a charging stand assembly 61, a lifting lug welding element 62, a battery pack 63 and an energy system base 64; an energy system base 64 is arranged on the right upper part of the rear section of the integral welding frame assembly C, a battery pack 63 is arranged on the energy system base 64, lifting lug welding pieces 62 are respectively arranged on two side surfaces of the battery pack 63, one end of a charging seat assembly 61 is arranged on a socket at the rear end of the battery pack 63, and the other end of the charging seat assembly 61 is fixed on a charging port support 14 at the rear end of the integral welding frame assembly C through a covering piece and a back panel assembly 34 at the rear end of an operating console assembly E; the energy system assembly I is used for providing electric energy for the driving motor and the cutting knife motor and driving the motor to work; the battery pack 63 has the advantages of high endurance mileage, low quality and the like, and meets the operation endurance requirement of the electric mower; during the operation process of the electric mower, the information such as the electric quantity SOC of the battery pack of the energy system can be displayed through the display screen in the console assembly.

In conclusion, the whole structure of the zero-steering electric mower provided by the invention has the advantages of good structural strength, convenience in operation, good usability and the like. When the mowing operation of the mower is started, firstly, a driver sits on the seat 54, operates the lifting operating lever assembly 19 to enable the mowing device to be at a proper height and locked, starts a starting switch on the right operating panel 38 to be in a power-on state, selects a proper vehicle speed gear and a mowing gear, steps on the brake pedal rocker arm assembly 9 to release parking brake, holds the driving operating handles on two sides with two hands, and presses the driving operating safety switch with fingers to operate, and starts the lawn mowing operation; when the mower needs to turn during operation, the left driving control handle 43 and the right driving control handle 43 are reasonably operated to enable the left driving wheel assembly 55 and the right driving wheel assembly 55 of the mower to form a speed difference, meanwhile, the front wheel assembly 5 slides to achieve turning, the larger the speed difference formed by the left driving wheel assembly 55 and the right driving wheel assembly 55 is, the smaller the turning radius is, or one driving wheel rotates clockwise and the other driving wheel rotates anticlockwise, and zero turning is achieved. When the mower finishes the operation and stops, firstly, the running control handle is placed at the middle position, the brake pedal rocker arm assembly 9 is treaded down and is hung on the ear seat base welding assembly 8 in a clockwise rotation mode, at the moment, the brake provides braking force to enable the whole mower to be kept in a static state, the starting switch on the right control panel 38 is in a power-off state, the lifting control rod assembly 19 is operated to enable the mowing device to be in the highest position and locked, and a driver leaves the seat 54.

The lawn mower is a gardening lawn mower with direct-current pure electric function, zero turning radius, self-crushing function and side grass discharging function. The novel lawn mowing management system comprises an electronic control system, is powered by a vehicle-mounted power supply for a motor, drives to run and mow, is suitable for lawn trimming management work such as courtyards, parks, football fields, golf courses, roadside lawns and municipal gardens, and has the advantages of flexibility in steering, low use cost, man-machine friendliness, energy conservation, environmental friendliness and the like.

It should be noted that, although the invention has been described in terms of the above-mentioned embodiments, other embodiments are also possible. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications be covered by the appended claims and their equivalents.

Claims (10)

1. A zero-steering electric mower comprising: universal front wheel assembly A, emergency braking parking braking assembly B, integral welding frame assembly C, put in and mow dish and altitude mixture control assembly D, covering and control panel assembly E, travel control assembly F, seat assembly G, wheel limit speed reduction drive wheel assembly H and energy system assembly I, its characterized in that:

the middle mowing disc and height adjusting assembly D consists of a mowing disc height adjusting assembly and a middle mowing disc assembly; the mowing disc height adjusting assembly comprises a lifting operating lever assembly, a lifting device rocker arm, a lifting connection welding assembly, a J-shaped side connecting shaft, a rear transition connecting plate, a J-shaped front shaft assembly, a rotating shaft and a bushing seat; the middle mowing disc assembly comprises a mowing disc caster, a cutting knife, a mowing disc front connecting plate, a mowing disc rear connecting plate and a side grass discharge cover;

the lower end of a rear transition connecting plate in the mowing disc height adjusting assembly is connected to two ends of a rotating shaft, the lower end of a rocker arm of a lifting device is connected to the end face of one side of the rotating shaft, a bushing seat is installed in an installation hole of an integral welding frame assembly C, a combined piece of the rear transition connecting plate, the rocker arm of the lifting device and the rotating shaft is installed in the bushing seat, and a combined piece of a lifting control rod penetrates through an arc-shaped plate welding piece in the integral welding frame assembly C and is hinged to the upper end of the rocker arm of the lifting device; a front connecting plate of a mowing disc in the middle-arranged mowing disc assembly is connected to the mowing disc, rear connecting plates of the mowing disc are respectively connected to the left side and the right side of the rear section of the mowing disc, and trundles of the mowing disc are respectively installed on installation supports on two sides of the mowing disc; the cutting knife motor is arranged in the mounting hole at the upper part of the mowing disc and drives the cutting knife, and the side grass discharge cover is arranged on the mounting support of the mowing disc; the front ends of the lifting connection welding pieces are hinged to an integral welding frame assembly C respectively, the rear ends of the lifting connection welding pieces are hinged to holes of a rear connecting plate of a mowing disc through the lower ends of J-shaped side connecting shafts, the upper ends of the J-shaped side connecting shafts are hinged to holes of the upper end of a rear transition connecting plate, the lower ends of the J-shaped front shaft pieces are hinged to a front connecting plate of the mowing disc, the upper ends of the J-shaped front shaft pieces are hinged to the integral welding frame assembly C, and a rocker arm of the lifting device, the rear transition connecting plate and a rotating shaft are of an integrated structure, so that a four-link mechanism consisting of the J-shaped side connecting shafts, the lifting connection welding pieces and the rear connecting plate of the mowing disc is driven to move in the rotation of the rear transition connecting plate and the rotating shaft, the mowing disc is driven to move up and down, and automatic leveling of the mowing disc is achieved through the J-shaped front shaft pieces under the action of gravity.

2. The zero-turn electric mower of claim 1, wherein: based on an integral welding frame assembly C, a universal front wheel assembly A is arranged in front wheel shaft sleeves at the front ends of longitudinal beams at two sides of the integral welding frame assembly C, a wheel edge speed reducing driving wheel assembly H is arranged at the rear ends of the longitudinal beams at two sides of the integral welding frame assembly C, an emergency braking parking braking assembly B is arranged at the center of the front part of the integral welding frame assembly C, a braking flexible shaft assembly of the emergency braking parking braking assembly B is connected with a braking rocker arm on the wheel edge speed reducing driving wheel assembly H, a middle mowing disc and a height adjusting assembly D are arranged at the middle part of the integral welding frame assembly C, an energy system I is arranged at the right upper part of the rear section of the integral welding frame assembly C, a covering piece and a control console assembly E are arranged at the upper part of the integral welding frame assembly C, and a running control assembly F is arranged on the middle part of the integral welding frame assembly C, the seat assembly G is arranged at the upper part of the rear end of the covering part and the control console assembly E and is hinged with the mounting bracket of the integral welding frame assembly C.

3. The zero-turn electric mower of claim 1, wherein: the universal front wheel assembly A comprises a front wheel main pin, a front wheel support U-shaped plate, a front wheel shaft spacer bush, a front wheel main shaft, a front wheel assembly, a front wheel bearing and a dust cover;

a front wheel main pin in a universal front wheel assembly A is arranged in a front wheel shaft sleeve at the front end of longitudinal beams on two sides of an integral welding frame assembly C in an interference fit mode through front wheel bearings on two ends, a front wheel support U-shaped plate is connected to the lower end of the front wheel main pin, a front wheel main shaft penetrates into a mounting hole in one side of the lower end of the front wheel support U-shaped plate, a front wheel shaft spacer bush, a front wheel assembly and a front wheel shaft spacer bush are sequentially arranged on the front wheel main shaft, and the front wheel main shaft penetrates out of a mounting hole in the other side of the lower end of the front wheel support U-shaped plate to be fixed.

4. The zero-turn electric mower of claim 1 wherein: the emergency braking parking brake assembly B comprises an ear seat base welding part, a brake pedal rocker arm part, a braking rotating shaft, a flexible shaft front assembling shaft and a braking flexible shaft part;

the lug seat base welding piece is installed on a front cross beam of the integral welding frame assembly C, the brake pedal rocker arm assembly is installed on a support at the center of the front portion of the integral welding frame assembly C through a brake rotating shaft, an assembling shaft in front of a flexible shaft is installed on the brake pedal rocker arm assembly, the front end of the brake flexible shaft assembly is installed at two ends of a flexible shaft front assembling shaft respectively, and the rear end of the brake flexible shaft assembly is installed on a brake rocker arm of a wheel edge speed reduction driving wheel assembly G.

5. The zero-turn electric mower of claim 1 wherein: the integral welding frame assembly C comprises a frame rear beam welding piece, a charging port support, a frame welding piece, an electric appliance comprehensive control panel support welding piece, an arc-shaped plate welding piece and a front decoration mounting plate welding piece;

the frame seam piece is the basic part of integral welding frame assembly C, and frame back beam seam piece is installed the frame seam piece both sides crossbeam just rear end, and the mouth that charges support installation is in the middle position of the upper end of frame back beam seam piece, and on frame seam piece middle part left side and right side support were installed respectively to electrical apparatus integrated control panel support seam piece, on the anterior right side support was installed to the frame seam piece to the arc seam piece, on the anterior crossbeam of frame seam piece was installed to preceding decorations mounting panel seam piece.

6. The zero-turn electric mower of claim 1, wherein: the covering part and console assembly E comprises a back panel assembly, a back side plate, a lower back panel, a side panel, a right console panel, a left display panel, a console assembly, a floor assembly and a front trim panel;

the lower surrounding plate in the covering part and the control console assembly E are respectively arranged on the welding brackets on the left side and the right side of the rear section of the integral welding frame assembly C, the rear side plate is arranged on the welding bracket on the upper rear part of the integral welding frame assembly C, the side surrounding plates are respectively arranged on the welding brackets on the left side and the right side of the middle upper part of the integral welding frame assembly C and are connected with the lower surrounding plate, the control console assembly is arranged on the welding bracket on the middle upper part of the integral welding frame assembly C and is connected with the side surrounding plates through seam end surface buckles, the rear surrounding plate assembly is arranged on the rear end brackets on the longitudinal beams on the two sides of the integral welding frame assembly C and is connected with the rear side plate and the lower surrounding plate through end surface buckles, the right control panel is pressed on the right side of the control console assembly and is arranged on the welding assembly of the electric appliance integrated control panel bracket on the right side of the integral welding frame assembly C through screws, and the left display panel is pressed on the left side of the control console assembly, and is installed on the welding piece of the bracket of the electrical appliance integrated control panel on the left side of the integral welding frame assembly C through screws, the floor assembly is installed on the front section of the middle part of the integral welding frame assembly C, and the front decorative plate is installed on the welding piece of the front decorative mounting plate.

7. The zero-turn electric mower of claim 6 wherein: the running control assembly F comprises a running control handle, an automatic reset spiral spring, a running control safety switch, a running control handle sheath, a sensor assembly, a running control rocker arm and a damper assembly;

based on a running control rocker arm, an automatic reset spiral spring is installed on the outer side of the lower end of the running control rocker arm, a sensor assembly is installed on the outer side of the automatic reset spiral spring, the relative positions of the sensor assembly, the automatic reset spiral spring and the running control rocker arm are adjusted, the upper end of a damper assembly is installed in a hole in the lower end of the running control rocker arm, a running control handle is installed at the upper end of the running control rocker arm, a running control safety switch is installed in the middle of the running control handle, the upper end of a running control handle sheath is installed at the lower end of the running control handle, a running control assembly F is installed on a welding support in the middle of an integral welding frame assembly C through the sensor assembly, the lower end of the damper assembly is connected with a support at the bottom of the integral welding frame assembly C, and the lower end of the running control handle sheath is fixed on a control platform assembly.

8. The zero-turn electric mower of claim 1, wherein: the seat assembly G comprises a damping spring, a seat armrest, a seat guide rail, a seat bottom plate assembly and a seat;

the seat bottom plate assembly is used as a base, the damping spring is arranged at the rear lower surface of the seat bottom plate assembly, the seat guide rail is arranged on the seat bottom plate assembly, the seat is arranged on the seat guide rail, the seat armrests are arranged at the middle parts of two sides of the seat backrest to form a seat assembly G, and the seat assembly G is arranged at the upper part of the rear end of the covering piece and the upper part of the rear end of the control console assembly E through a front end support of the seat bottom plate assembly and is hinged with a mounting support of the integral welding frame assembly C.

9. The zero-turn electric mower of claim 1 wherein: the wheel-side speed reduction driving wheel assembly H comprises a driving wheel assembly, a speed reducer assembly, a driving motor, a speed reducer connecting rod, a braking rocker arm and a driving wheel connecting flange;

the speed reducer assembly is installed on the lower end face of longitudinal beams on two sides of the rear end of the integral welding frame assembly C, the speed reducer connecting rod is installed between the left speed reducer assembly and the right speed reducer assembly, the driving motor is installed on the end face of the inner side of the speed reducer assembly, the brake rocker arm is installed on the shell on the outer side of the speed reducer assembly, the driving wheel connecting flange is installed on the driving shaft on the outer side of the speed reducer assembly, and the driving wheel assembly is installed on the flange on the outer side of the driving wheel connecting flange.

10. The zero-turn electric mower of claim 1 wherein: the energy system assembly I comprises a charging seat assembly, a lifting lug welding element, a battery pack and an energy system base;

the energy system base is arranged on the integral welding frame assembly C, the battery pack is arranged on the energy system base, the lifting lug welding parts are respectively arranged on two side surfaces of the battery pack, one end of the charging seat component is arranged on a socket at the rear end of the battery pack, and the other end of the charging seat component is fixed on a charging port support at the rear end of the integral welding frame assembly C through the covering part and a back panel part at the rear end of the console assembly E.

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