CN112219542A

CN112219542A - Oil-electricity hybrid multifunctional lawnmower

Info

Publication number: CN112219542A
Application number: CN202011154904.1A
Authority: CN
Inventors: 周建生
Original assignee: Hefei Zhizhou Agricultural Machinery Co ltd
Current assignee: Hefei Zhizhou Agricultural Machinery Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-15

Abstract

The invention provides an oil-electricity hybrid multifunctional lawnmower which is arranged on a walking tractor and comprises a machine head, a chassis movably connected with the machine head, a drag box arranged on one side of the chassis far away from the machine head and a trimming device arranged at the lower end of the chassis, wherein the machine head comprises a single-cylinder diesel engine for driving front wheels to walk, a generator arranged on one side of the single-cylinder diesel engine and a hand rest for controlling the steering of a vehicle head, and the generator is in transmission connection with the single-cylinder diesel engine through a belt and is used for generating electric energy. The device adopts a hand tractor to be articulated, uses residual kinetic energy generated by the single-cylinder diesel engine during working to drive a generator to generate electricity, realizes the trimming of a lawn, replaces various existing gasoline-powered lawnmowers with high use cost on the market, is most suitable for China conditions, has low purchase cost of the machine, is more economical to use, maintain and repair, and reduces the purchase, use, maintenance and repair cost of the owner of the machine to the maximum extent.

Description

Oil-electricity hybrid multifunctional lawnmower

Technical Field

The invention relates to the technical field of lawnmowers, in particular to an oil-electricity hybrid multifunctional lawnmower.

Background

The grass mower is a common device for garden maintenance, and is mainly used for repairing lawn; the existing grass mower is basically a gasoline engine and has high use and consumption; in addition, the existing grass mower only has the function of grass cutting, cannot roll the lawn bed aiming at the lawn base, cannot adjust the height of the grass to be cut when in use, and has single cutting function.

Disclosure of Invention

The invention aims to provide an oil-electricity hybrid multifunctional lawnmower to solve the problems in the background art.

The technical problem solved by the invention is realized by adopting the following technical scheme: a fuel-electric hybrid multifunctional lawnmower is arranged on a walking tractor and comprises a machine head, a chassis movably connected with the machine head, a dragging box arranged on one side of the chassis far away from the machine head and a trimming device arranged at the lower end of the chassis, wherein the machine head comprises a single-cylinder diesel engine for driving front wheels to walk, a generator arranged on one side of the single-cylinder diesel engine and a hand support for controlling the steering of the machine head;

the trimming device comprises a frame, and a grass cutting mechanism and a rolling mechanism which are arranged on the frame, wherein the frame is of a square frame structure, side plates are arranged at two ends of the frame, a rectangular groove for installing the grass cutting mechanism is arranged in the middle of the frame, a limiting column is arranged at the side end of the grass cutting mechanism, the side plates correspond to the limiting column and are provided with corresponding limiting grooves, the limiting column is inserted into the limiting grooves and is connected in a sliding mode up and down, the range of height difference between the grass cutting mechanism and the frame is limited, and a hand-operated lifting device for controlling the lifting adjustment of the grass cutting mechanism is arranged on the chassis.

The invention adopts the following further scheme: the guide pin mechanism comprises guide rods vertically arranged at four ends of the frame and guide cylinders arranged at the lower end of the chassis corresponding to the guide rods, the guide rods and the guide cylinders are respectively welded and fixed on the frame and the chassis, the guide rods are inserted into the guide cylinders and are in sliding connection, a plurality of groups of pin holes matched with each other are respectively arranged at the side ends of the guide rods and the guide cylinders, and the guide rods are inserted into the guide cylinders and are fixed through the pin holes.

The invention adopts the following further scheme: the outer end of the guide cylinder is fixedly provided with a chain, the lower end of the chain is fixedly connected with the frame, and the chain is respectively arranged at four ends of the frame.

The invention adopts the following further scheme: the grass cutting mechanism comprises a trimming box, a blade and a motor, wherein the blade and the motor are arranged on the trimming box, the motor is used for driving the blade to rotate, a box frame is arranged at the upper end of the trimming box, and the box frame is connected with a hand-operated lifting device and used for lifting adjustment.

The invention adopts the following further scheme: the trimming box is internally provided with a plurality of groups of blades which are distributed in the trimming box in a staggered mode, the front end of the trimming box is of an open structure, the rear end of the trimming box is provided with a baffle corresponding to the blades, and the blades are electrically connected with the control box and the generator.

The invention adopts the following further scheme: the hand-operated lifting device comprises a rope used for being connected with the box frame and a hand-operated winch for pulling the control rope, the rope on the upper end of the box frame is connected with the hand-operated winch through a turntable, and the turntable and the hand-operated winch are fixedly installed on the chassis.

The invention adopts the following further scheme: the rolling mechanism comprises a front roller and a rear roller which are respectively arranged at two ends of the frame, the front roller and the rear roller are of columnar structures, and the front roller and the rear roller are respectively rotatably arranged on the side plates.

The invention adopts the following further scheme: one end of the chassis is articulated with the tail part of the machine head through a bolt, so that the chassis is convenient to disassemble at the later stage, and the other end of the chassis is fixedly welded with the dragging box.

The invention adopts the following further scheme: a tool box is arranged on one side of the pedal, and the tool box is fixedly welded with the pedal, so that the placing stability is improved; the box is of a rectangular structure, and the lower end of the box is provided with a rear wheel.

The invention adopts the following further scheme: the front wheel and the rear wheel are lawn tires.

Compared with the prior art, the invention has the beneficial effects that: the device adopts a hand tractor to be articulated, uses residual kinetic energy generated by the single-cylinder diesel engine during working to drive a generator to generate electricity, realizes the trimming of a lawn, replaces various existing gasoline-powered lawnmowers with high use cost on the market, is most suitable for China conditions, has low purchase cost of the machine, is more economical to use, maintain and repair, and reduces the purchase, use, maintenance and repair cost of the owner of the machine to the maximum extent.

The device can match the generator with corresponding power according to the actual power of the tractor, can realize the rotary trimming of two to three groups of wide grass cutting blades, and has high working efficiency and wide popularization.

The oil-electricity hybrid design adopted by the device reduces physical and chemical damages to the marketable ornamental lawn caused by oil supply and dripping phenomena of machinery in lawn trimming work to the maximum extent, and reduces lawn loss in lawn planting production.

The rolling mechanism is additionally arranged at the front part and the rear part of the grass cutting mechanism, so that the rolling operation of the lawn bed is realized while the machine trims the lawn, the rolling operation is one of the operation contents of the lawn planting base, the purpose is to keep the lawn bed smooth and compact, the lawn is convenient to harvest and sell in the future, and the growth of underground stems of creeping stem type lawns in the growing period is promoted. The machine can replace the work of the lawn roller press when the rotary blade does not work, and has multiple functions.

The stubble height of the device during the lawn trimming operation adopts the full-width adjustable design, the trimmed lawn stubble height can be adjusted according to different varieties and different seasons, the adjustment range is 13mm-100mm, and the device can meet the planting stubble requirements of all garden ornamental lawns in different seasons and different regions.

The device adopts the design of the lawn tires with wide width, and the damage to the lawn and the flatness of the lawn bed when the machine walks on the lawn are reduced to the maximum extent.

The device adopts the design of the hand-operated lifting device of the economical grass cutting mechanism, so that the conversion time between the mechanical walking and the pruning operation state becomes quick, and the purchase cost of the machine is also reduced.

Drawings

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

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

FIG. 3 is a schematic view of the clipping apparatus of the present invention;

the following are marked in the figure: 1. a machine head; 2. a chassis; 3. dragging the box; 4. a frame; 5. a pruning box; 11. a single cylinder diesel engine; 12. a generator; 13. a hand-held rack; 31. a pedal; 32. a seat; 33. a box body; 34. a control box; 35. a tool box; 41. a limiting column; 42. a limiting groove; 43. a side plate; 44. a guide bar; 45. a guide cylinder; 46. a chain; 51. a blade; 52. an electric motor; 53. a box frame; 54. a baffle plate; 61. a rope; 62. a hand winch; 63. a turntable; 64. a front roller; 65. and (4) a rear roller.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining the specific drawings.

As shown in FIGS. 1-3,

a fuel-electric hybrid multifunctional lawnmower is arranged on a walking tractor and comprises a machine head 1, a chassis 2 movably connected with the machine head 1, a drag box 3 arranged on one side of the chassis 2 far away from the machine head 1 and a trimming device arranged at the lower end of the chassis 2, wherein the machine head 1 comprises a single-cylinder diesel engine 11 used for driving front wheels to walk, a generator 12 arranged on one side of the single-cylinder diesel engine 11 and a walking frame 13 used for controlling the steering of a vehicle head, the generator 12 is in transmission connection with the single-cylinder diesel engine 11 through a belt and used for generating electric energy, the chassis 2 is of an inverted concave structure, a groove used for accommodating the trimming device is arranged at the lower end of the chassis 2, the drag box 3 comprises a pedal 31, a seat 32 arranged on the pedal 31 and a box body 33 positioned on one side of the seat 32, a control box 34 is arranged in the; the trimming device comprises a frame 4, and a grass cutting mechanism and a rolling mechanism which are arranged on the frame 4, wherein the frame 4 is of a square frame structure, side plates 43 are arranged at two ends of the frame 4, a rectangular groove for installing the grass cutting mechanism is arranged in the middle of the frame 4, a limiting column 41 is arranged at the side end of the grass cutting mechanism, the side plates 43 are provided with corresponding limiting grooves 42 corresponding to the limiting columns 41, the limiting columns 41 are inserted into the limiting grooves 42 and are connected in a vertical sliding mode, the height difference range between the grass cutting mechanism and the frame 4 is limited, and a hand-operated lifting device for controlling the lifting adjustment of the grass cutting mechanism is arranged on the chassis 2 corresponding to the grass.

In this embodiment, the two ends of the frame 4 are provided with guide pin mechanisms hung on the chassis 2, each guide pin mechanism includes a guide rod 44 vertically arranged at the four ends of the frame 4 and a guide cylinder 45 arranged at the lower end of the chassis 2 corresponding to the guide rod 44, the guide rods 44 and the guide cylinders 45 are respectively welded and fixed on the frame 4 and the chassis 2, the guide rods 44 are inserted into the guide cylinders 45 and are connected in a sliding manner, the side ends of the guide rods 44 and the guide cylinders 45 are respectively provided with a plurality of groups of pin holes matched with each other, and the guide rods 44 are inserted into the guide cylinders 45 and are fixed through the pin insertion pin holes so as to adjust. The outer end of the guide cylinder 45 is fixedly provided with a chain 46, the lower end of the chain 46 is fixedly connected with the frame 4, and the chains 46 are respectively arranged at four ends of the frame 4; the chain 46 limits the descending distance of the frame 4, prevents the guide bar 44 in the frame 4 from being separated from the guide cylinder 45, and simultaneously prevents the frame 4 from descending too low.

In this embodiment, the grass cutting mechanism includes a trimming box 5, a blade 51 disposed on the trimming box 5, and a motor 52 for driving the blade 51 to rotate, wherein a box frame 53 is disposed at the upper end of the trimming box 5, the box frame 53 is connected with a hand-operated lifting device for lifting adjustment, and the blade 51 is electrically connected with the control box 34 and the generator 12. The inside of the pruning box 5 is provided with a plurality of groups of blades 51, the blades 51 are distributed in the pruning box 5 in a staggered manner, the front end of the pruning box 5 is of an open structure so as to facilitate grass planting to enter the interior of the pruning box 5, the rear end of the pruning box 5 is provided with a baffle 54 corresponding to the blades 51, and the baffle 54 supports against the grass planting so as to facilitate cutting when the blades 51 rotate.

In this embodiment, the hand-operated lifting device comprises a rope 61 for connecting the box frame 53 and a hand-operated winch 62 for pulling the control rope 61, the rope 61 at the upper end of the box frame 53 is connected with the hand-operated winch 62 through a turntable 63, and the turntable 63 and the hand-operated winch 62 are fixedly mounted on the chassis 2. Specifically, the hand winch 62 rotates to control the retraction and extension of the rope 61, thereby controlling the elevation adjustment of the grass cutting mechanism. The roller pressing mechanism comprises a front roller 64 and a rear roller 65 which are respectively arranged at two ends of the frame 4, the front roller 64 and the rear roller 65 are of columnar structures, and the front roller 64 and the rear roller 65 are respectively rotatably arranged on the side plates 43. The guide pin mechanism is used for controlling the upgrading of the frame 4, the front roller 64 and the rear roller 65 are used for rolling the lawn bed, the lawn bed is kept flat and compact, the lawn is convenient to harvest and sell in the future, and the growth of underground stems of the creeping stem lawn in the growing period is promoted.

In this embodiment, chassis 2's one end articulates through bolt and 1 afterbody of aircraft nose, and the later stage of being convenient for is dismantled, and the other end with drag 3 fixed weld of case, improve the stability of structure. A tool box 35 is arranged on one side of the pedal 31, and the tool box 35 is fixedly welded with the pedal 31, so that the placing stability is improved; the box body 33 is of a rectangular structure, and rear wheels are arranged at the lower end of the box body 33. The front wheels and the rear wheels are lawn tires, so that damage and damage to the lawn and the flatness of the lawn bed when the machine walks on the lawn are reduced to the maximum extent.

The working principle of the invention is as follows: the lawn mower is hung by a hand tractor, the residual kinetic energy generated by the single-cylinder diesel engine 11 during working drives the generator 12 to generate electricity, the control box 34 controls the rotary drive of the motor 52, and the rotation of the blade 51 realizes the trimming of the lawn; the grass cutting mechanism is arranged in a rectangular groove of the frame 4 and is clamped in the limiting groove 42 through the limiting column 41 to slide, so that the lifting adjusting range of the grass cutting mechanism is limited, the grass cutting mechanism is prevented from falling too low, and the height of the grass cutting mechanism is adjusted through the hand-operated lifting device; according to the machine, the rolling mechanisms are additionally arranged at the front part and the rear part of the frame 4, and the guide pin mechanism is utilized to control the lifting of the frame 4, so that the machine can realize the rolling operation of the lawn bed while trimming the lawn, and the smoothness and compactness of the lawn bed are kept.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multi-functional lawnmower of oil-electricity mixture, installs on hand tractor, includes the chassis of aircraft nose and swing joint aircraft nose, installs the chassis and keeps away from the case that drags of aircraft nose one side, sets up the trimming means at the chassis lower extreme, its characterized in that: the machine head comprises a single-cylinder diesel engine for driving front wheels to walk, a generator arranged on one side of the single-cylinder diesel engine and a hand rack for controlling the steering of a machine head, the generator is in transmission connection with the single-cylinder diesel engine through a belt and is used for generating electric energy, the chassis is of an inverted concave structure, a groove for accommodating the trimming device is formed in the lower end of the chassis, the trailer box comprises a pedal, a seat arranged on the pedal and a box body located on one side of the seat, a control box is arranged in the seat, and the control box is electrically connected with the generator;

2. The hybrid multifunctional lawnmower of claim 1, wherein: the guide pin mechanism comprises guide rods vertically arranged at four ends of the frame and guide cylinders arranged at the lower end of the chassis corresponding to the guide rods, the guide rods and the guide cylinders are respectively welded and fixed on the frame and the chassis, the guide rods are inserted into the guide cylinders and are in sliding connection, a plurality of groups of pin holes matched with each other are respectively arranged at the side ends of the guide rods and the guide cylinders, and the guide rods are inserted into the guide cylinders and are fixed through the pin holes.

3. The hybrid multifunctional lawnmower of claim 2, wherein: the outer end of the guide cylinder is fixedly provided with a chain, the lower end of the chain is fixedly connected with the frame, and the chain is respectively arranged at four ends of the frame.

4. The hybrid multifunctional lawnmower of claim 3, wherein: the grass cutting mechanism comprises a trimming box, a blade and a motor, wherein the blade and the motor are arranged on the trimming box, the motor is used for driving the blade to rotate, a box frame is arranged at the upper end of the trimming box, and the box frame is connected with a hand-operated lifting device and used for lifting adjustment.

5. The hybrid multifunctional lawnmower of claim 4, wherein: the trimming box is internally provided with a plurality of groups of blades which are distributed in the trimming box in a staggered mode, the front end of the trimming box is of an open structure, the rear end of the trimming box is provided with a baffle corresponding to the blades, and the blades are electrically connected with the control box and the generator.

6. The hybrid multifunctional lawnmower of claim 5, wherein: the hand-operated lifting device comprises a rope used for being connected with the box frame and a hand-operated winch for pulling the control rope, the rope on the upper end of the box frame is connected with the hand-operated winch through a turntable, and the turntable and the hand-operated winch are fixedly installed on the chassis.

7. The hybrid multifunctional lawnmower of claim 3, wherein: the rolling mechanism comprises a front roller and a rear roller which are respectively arranged at two ends of the frame, the front roller and the rear roller are of columnar structures, and the front roller and the rear roller are respectively rotatably arranged on the side plates.

8. The hybrid multifunctional lawnmower of claim 7, wherein: one end of the chassis is articulated with the tail part of the machine head through a bolt, so that the chassis is convenient to disassemble at the later stage, and the other end of the chassis is fixedly welded with the dragging box.

9. The hybrid multifunctional lawnmower of claim 8, wherein: a tool box is arranged on one side of the pedal, and the tool box is fixedly welded with the pedal, so that the placing stability is improved; the box is of a rectangular structure, and the lower end of the box is provided with a rear wheel.

10. The hybrid multifunctional lawnmower of claim 9, wherein: the front wheel and the rear wheel are lawn tires.