CN201938031U

CN201938031U - Small-sized labor saving oil saving weeding machine

Info

Publication number: CN201938031U
Application number: CN2010205293665U
Authority: CN
Inventors: 何心
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-06
Filing date: 2010-09-06
Publication date: 2011-08-24
Anticipated expiration: 2020-09-06

Abstract

The utility model relates to an agricultural weeding machine, especially a small-sized labor saving oil saving weeding machine. The machine comprises a power device, a front and back bracing frame apparatus, front-wheel apparatuses, a decelerating apparatus, a weeding rotor apparatus, a rear spade apparatus and an operating means; wherein the operating means is provided with handles, a power supply and throttle control knob and a lead pull rope; the lower end of the operation means is fixed on the front and back bracing frame; the power device is a 168F or 170F engine; two air filtering apparatuses are fixed on the front bracing frame; the front-wheel apparatus are designed into position adjustable fixed hexagonal half shaft structures, and are fixed on the lower part of the front bracing frame; the front and the rear bracing frame are connected by screws; the decelerating apparatus is disposed on the left side of the rear bracing frame while immerged in engine lubricating oil, and can reduce the speed to the target by one time; the weeding rotor apparatus is disposed on the inner lower part of the back bracing frame, while is connected with the decelerating apparatus; the rear spade apparatus is disposed on the rear tail of the back bracing frame, and is designed into a width variable structure capable of moving up and down. The weeding machine of the utility model achieves the advantages of reasonable structure, good appearance, convenient use, simple operation, flexibility, oil saving, high earth loosening speed, clean weeding, low cost, convenience in repairing, adjusting and carrying, long life of more than 10 years, high safety and high reliability.

Description

The fuel-efficient grass-remover of small-sized prompt power

Technical field

The present invention relates to agriculture mechanical weeding, refer in particular to the fuel-efficient grass-remover of a kind of small-sized prompt power.

Background technology

At present hoe up weeds and mostly be free-hand greatly and hoe up weeds with hoe in the rural area, and efficient is low like this, and workload is big; Also some uses weed killer herbicide weeding, but weed killer herbicide too much use the farmland soil property is degenerated, and what can influence crop growth.In our some farmland plantations, some mechanical weedings are not to improve so and strong popularization, just have no idea to carry out field machinery as the crops of little line-spacing and hoe up weeds, and damage grain, and complete machine are heavy, uses dumb in addition; For example, the multi-functional mini-size tillage machine of IZ-135 type that Hesheng Industry Co., Ltd., Chongqing produces, the multi-functional garden supervisor of YF-3WG-5 type that the highly dense farm implements factory in Shandong produces, and what Remote Control Automatic grass-remover and other etc., the cost height, volume is big, and structure is loaded down with trivial details, and is not light, can only uproot the crops of some wide line-spacings, some is also incompatible, refers in particular to the crops of little line-spacing, the plot hardens, hard, loosen the soil and hoe up weeds effect just dying.Can not generally adopt grass-remover, realize that strong mechanization hoes up weeds.

Summary of the invention

The objective of the invention is to be improved, innovate, provide a kind of cost low, simple in structure at the scarce limit and the deficiency that exist in the background technology, volume is little, rotates flexibly, installs, uses the fuel-efficient grass-remover of all so a kind of easily small-sized prompt power.

Technical scheme of the present invention is: construct a kind of small-sized grass-remover that comprises power set, front and back support frame means, preceding wheel apparatus, reduction of speed device, the rotor arrangement of hoeing up weeds, back shovel device and operating means, wherein:

Be provided with in the operating means by the both hands palms and hold symmetrically arranged operation handrail, power supply, Throttle Opening Control knob and stay cord and lead, and the operation handrail be connected by stock before and after on the support frame means, power supply and stay cord are connected on the power set.Power set have been done modification to the air purifier of gasoline engine, because grass-remover is face work in the fields, dust is more serious, and gasoline engine to the quality requirement of air than higher, carry out in the cylinder that work utilizes so just filter just by twice air purifier; The first road air purifier is fixed on the front upper place of gasoline engine by support, because this position air is the cleanest, and it is good-looking that profile is set; And the second road air purifier shell seals, and can only suck the air that the first time, air purifier purified by flexible pipe, does continuous filtration; Selecting for use of engine is 168F or 170F petrol engine, such petrol engine, fuel-efficient, power is big, volume is little, in light weight, profile is good-looking, stable mechanical performance, the easily moving advantage of starting; Power set are fixed on the front support stand, and front support stand is connected with rear support stand.Preceding wheel apparatus is fixed on the below of front support stand; Preceding wheel apparatus adopts pneumatic tire, and the center is provided with six rib square openings and six rib semiaxis join, and preceding two wheels are arranged on that six rib semiaxis ends are adjusted the structure of position width and with fixing, it in the middle of the semiaxis of the left and right sides structure that disconnects, be contained in the cartridge housing by four bearings, become as a whole preceding wheel apparatus; The all weight of grass-remover is all born by preceding wheel apparatus, and wheel apparatus is for supporting the effect of undertaking weight before promptly doing.The reduction of speed device is the left side that is contained in the back support frame; , be connected on the outer upper belt pulley of reduction of speed device by belt by power set, enter then in the reduction of speed case, pass to a last little individual gears by minor axis and pass to 1,2,3 again on the bidentate wheel in proper order, pass at last on the individual gears of a maximum, pass to again on the main shaft, on the rotor of promptly hoeing up weeds; Rotating speed 3600/the rpm of engine commentaries on classics is dropped to 450/rpm change the rotating speed of the rotor of promptly hoeing up weeds; The reduction of speed device is that the power speed of engine is put in place by the disposable reduction of speed of reduction of speed in addition, what flexible device, gearshift structure are not established in the centre, taken down unnecessary machinery combination, reach the effect of mechanical simplicity, also improved mechanical flexibility simultaneously, reduced cost and made compact mechanical structure, quickened and only slowed down with Throttle Opening Control just; Be full of machine oil in the reduction of speed case, promptly all gears, minor axis, bearing all are impregnated with in the lubricating oil the inside, reduced mechanical wear, noise, have improved mechanical service life and efficient.The rotor arrangement of hoeing up weeds is contained in the interior bottom of back support frame, and the main shaft left end is connected with the reduction of speed device, and the main shaft right-hand member is connected with right-hand member bearing shell; The structure of hoeing up weeds just design divides seven to enclose the little perching knife of hoeing up weeds on main shaft above, and each circle has the little perching knife of hoeing up weeds of six arm of force bendings, altogether 42 little perching knives; First and third, five, seven circles are fixing with second, four, six 30 ° of circle difference positions, and just there are 12 impetus in one week of rotor of so hoeing up weeds, i.e. 12 rows; The little perching knife of hoeing up weeds welds mutually with the arm of force of hoeing up weeds, and to 15 ° of circumference outer inclines, the little perching knife of hoeing up weeds is fixed on the fixed head by the arm of force of hoeing up weeds, and promptly on the main shaft, is assembled into the rotor of hoeing up weeds of a round wheeled construction; Each sheet is hoed up weeds major part that little perching knife has a blade forward, be the knife back the microcephaly backward, the reason of the Zhi Zuoing foreign material of dishing out easily make foreign material be difficult for being stuck between little perching knife and the little perching knife like this, keep hoeing up weeds the rotor operate as normal; In addition, also be provided with deer horn, promptly on reduction of speed and the right bearing shell, involve in the grass silk that comes, the operate as normal of the rotor that equally also keeps hoeing up weeds to scratch by the rotor of hoeing up weeds in the rotor both sides of hoeing up weeds; The little perching knife of hoeing up weeds, the arm of force must be selected for use hard steel to make and prevent foreign material such as grass roots, brick, and the surface, soil is hard; The rotor arrangement overall width of hoeing up weeds is about 40cm.Back shovel device is the back afterbody that is connected the back support frame, because grass-remover is not established gear and lightweight reason itself, grass-remover has the existence of pulling force forward, in order to eliminate pulling force the people is operated easily, just design has increased back shovel constructional device, and have the up and down structure of spring, so that pass through various obstacle trench sills etc.; Back perching knife is with screw fixings at the back shovel arm of force bottom, can change variation width; Back shovel device plays one and eliminates pulling force, becomes effort into utilizing, and plays one and weeds soil and weeding for the second time, and make the people prop up easily comfortable sensation.

The present invention has following advantage and beneficial effect:

Reasonable in design of the present invention, good looking appearance.Easy to use, simple to operate, volume is little, in light weight, flexible, fuel-efficient, the speed of loosening the soil of hoeing up weeds is fast, and clean, effect spy is good.Accommodation is very wide, the crops of some little line-spacings can carry out field machinery hoe up weeds (tilling the land by the scientific and standard line-spacing), have more certain advantage and adaptive capacity than more preceding grass-removers, and its cost is low, hoes the fields tens mu in one day, and it is more than what manually hoe the fields to hoe the fields effect, and increased manyfold, identical will save how much strength and time to the people, does not influence the crops normal growth, is that the peasant plants a kind of very desirable agricultural mechanical weeding in ground.The present invention also repairs, regulates, carries very convenient, and the life-span is more than 10 years, and is safe and reliable.

Description of drawings

Fig. 1 is the integrally-built outside drawing of the present invention.

Fig. 2 is a power set decomposition texture schematic diagram of the present invention; Figure A among its Fig. 2 is the shape assumption diagram of power set; Figure A ₁Be the decomposition texture schematic diagram of power set, the petrol engine here is not to make research object, directly adopts petrol engine to be used as power; Figure A ₂Be the decomposition texture schematic diagram of the first road air purifier, wherein scheming a is the sectional view of the first road air evolution device shell, figure a ₁Be the building block principle figure of the first road air purifier.

Fig. 3 is the designed front and back support frame means contour structures schematic diagram of the present invention, and figure B is the shape assumption diagram of preceding support frame, figure B ₁Be the shape assumption diagram of back support frame, figure B ₂It is the shape assumption diagram of anti-earth mulch.

Fig. 4 is the designed preceding wheel apparatus decomposition texture schematic diagram of the present invention, and figure C is the shape assumption diagram of preceding wheel apparatus, figure C ₁Be the sectional view of bearing shell and the outline drawing of six rib semiaxis, figure C ₂It is the schematic sectional view of preceding wheel apparatus.

Fig. 5 is main shaft, fixed head, right-hand member bearing shell and the deer horn of the designed reduction of speed device of the present invention and the rotor arrangement of hoeing up weeds, and belt and the protection watt the structure outside drawing, next be its STRUCTURE DECOMPOSITION figure.Figure D among its Fig. 5 is the reduction of speed device, the structure outside drawing of the main shaft of the rotor arrangement of hoeing up weeds, fixed head, right-hand member bearing shell and deer horn; Figure D ₁Be belt and the protection watt shape assumption diagram; Figure D ₂Be the reduction of speed device, the STRUCTURE DECOMPOSITION figure of the main shaft of the rotor arrangement of hoeing up weeds, fixed head, right-hand member bearing shell and deer horn, wherein scheming a is the Facad structure figure of reduction of speed case, figure a ₁Be the schematic sectional view of reduction of speed case, figure a ₂Be the structure figure of reduction of speed case, figure b is the outer casing construction drawing that oil sealing is installed in the reduction of speed box top, figure b ₁Be the shell sectional view that oil sealing is installed in the reduction of speed box top, figure c is the shape assumption diagram of left deer horn, figure c ₁Be the schematic sectional view of left deer horn, figure d is the Fundamentals of Welding figure of main shaft and fixed head, figure d ₁Be main shaft inside and outside and Fundamentals of Welding figure, figure e is the shape assumption diagram of right deer horn, and figure f is the shape assumption diagram that the oil sealing shell is installed in the right bearing shell, figure f ₁Be the schematic sectional view that the oil sealing shell is installed in the right bearing shell, figure g is the shape assumption diagram of right bearing shell, figure g ₁It is the schematic sectional view of right bearing shell.

Figure E among Fig. 6 is the designed reduction of speed device of the present invention, the overall structure building block principle schematic diagram of the rotor arrangement of hoeing up weeds.

Figure F among Fig. 7 is the designed rotor arrangement overall structure outside drawing of hoeing up weeds of the present invention, figure F ₁Be the hoe up weeds arm of force and the Fundamentals of Welding figure of little perching knife of hoeing up weeds.

Figure G among Fig. 8 ₁Be designed hoe up weeds rotor circular face angle branch theory structure schematic diagram and 360 ° of all scuppit cutter branch planar structure schematic diagrames of hoeing up weeds of figure G circumference of the present invention.

Figure H among Fig. 9 is the designed operating means shape assumption diagram of the present invention, figure H ₁It is the interface (being the interface on the power set) on the gasoline engine generator; Figure I is the profile assembling assumption diagram and the figure I of back shovel device ₁Be axis Fundamentals of Welding figure and other parts.

Embodiment

By Fig. 1 to Fig. 9 as can be known, the present invention includes power set, front and back support frame means, preceding wheel apparatus, reduction of speed device, the rotor arrangement of hoeing up weeds, back shovel device and operating means, wherein:

Be provided with in the operating means 7 (the figure H among Fig. 9) by the both hands palm and hold symmetrically arranged operation handrail 71, power supply, Throttle Opening Control knob 72 and stay cord 74 and lead 75, fixing point 73 is stay cord 74 crust stiff ends, and on the support frame, stiff end 76 was fixed on back support frame 2 (the figure B among Fig. 3 before and after operation handrail 71 was connected by stock ₁) fixing eye 24 on, stiff end pipe 77 and be fixed on fixing card 15 before on the fixing eye 14 of support frame 1 (the figure B among Fig. 3), power lead 75 is connected on the engine power switch, stay cord 74 center-side 79 are connected on (the figure H among Fig. 9 on the engine fixing hole 711 ₁), fixed head 78 is fixed on (the figure A among Fig. 2 in the engine bearing 38 ₁), engine throttle arm-tie 710 is fixed on the engine, and spring 712 other ends are fixed on engine chimney bottom.Power set 3 (Fig. 2) have been done modification to the air purifier 33 of gasoline engine, designed the twice air purifier, the first road air purifier 31 is connected on the second road air purifier 33 by flexible pipe 32,37 is the fixedly jump ring of flexible pipe 32, the first road air purifier 31 is fixed on the front upper place of gasoline engine by support 34, the second road air purifier, 33 shells seal, can only suck the air that the first road air purifier 31 purified by flexible pipe 32, do continuous filtration, engine is selected 168F or 170F petrol engine for use, 35 on power set and be fixed on screw rod before on the position of the square eye 12 of the fixed length of support frame 1 (the figure B among Fig. 3), preceding support frame 1 (the figure B among Fig. 3) stationary plane 11 also is fixed on back support frame 2 (the figure B among Fig. 3 with screw rod ₁) on the stationary plane 21; The first road air purifier, 31 project organization schematic diagrams (the figure A among Fig. 2 ₂) in 39 be end cap, 310 is that outer sponge is filtered, 311 be that paper foldable layer net filters, 312 filter for the internal layer sponge, the 313rd, be welded with air intake duct 314 in the shell, on air admission hole 315 and air admission hole 316 are arranged, also use fixed by nut after assembling.Preceding wheel apparatus 4 (Fig. 4) stationary plane 41 is fixed under the position of the square eye 13 of front support stand 1 (the figure B among Fig. 3) fixed length; Preceding wheel apparatus 4 (Fig. 4) adopts pneumatic tire 43, and the center is provided with six rib square openings 47 and six rib semiaxis 45 join, and preceding two wheels 43 are arranged on the structure that six rib semiaxis, 45 ends are adjusted change in location width, and 46 is hold-down screw, and 44 is charging connector, 411 is cover tire, 412 is interior air tyre, is structure 413 separately in the middle of the left and right sides semiaxis 45, is contained in 410 places in the bearing shell 42 by four bearings 48,49 is end cap, is assembled into the preceding wheel apparatus 4 of an integral body.Reduction of speed device 5 (Fig. 5) i.e. 531 faces is to be fixed on back support frame 2 (the figure B among Fig. 3 ₁) 22 places, left side, and use screw; Pass through belt 52 (the figure D among Fig. 5 by power set 3 (the figure A among Fig. 2) middle belt pulley 36 ₁) be connected on the outer upper belt pulley 53 of reduction of speed device 5 (the figure D among Fig. 5) 51 (the figure D among Fig. 5 ₁) be belt protection watt, enter then in the reduction of speed 54 (the figure D among Fig. 5); (the figure D among Fig. 5 ₂) 55 be reduction of speed case side cover, the 56th, the oil-feed screw-socket, the 57th, the oil drainage screw mouth, the 58th, protection watt fixed screw eye, pass to by minor axis 534 that (517 6 rib bayonet sockets are stuck on 535 6 rib draw-in grooves on the last little individual gears 516, and be stuck on the 536 jump ring grooves with 515 jump rings, overstep the limit to prevent little individual gears 516,532 jump rings are stuck in the 527 jump ring grooves of reduction of speed case 54, overstep the limit to prevent bearing 539,528 are dress bearing 539 places, 546 seal 540 places for charge of oil, the 545th, charge of oil seals 540 shells, the 547th, the axis hole of minor axis 534,533 is interface pads of 545,545 promptly scheme the structure chart that b is amplification, the 541st, fast pulley 53 places, the 537th, key bar trough, the 542nd, the key strip, the 543rd, protection pad and screw are fixed), pass to 1 by little individual gears 516 again, 2,3 is the bidentate wheel (1) 518 of order, bidentate wheel (2) 519, on the bidentate wheel (3) 520 (the 514th, bidentate wheel minor axis, pierce in the bidentate axle hole 529, be fixed on axle mouthful 538 places in the gear-box 54), pass at last that (522 6 rib bayonet sockets are stuck on main shaft 59 left ends 552 6 rib draw-in grooves on the individual gears 521 of a maximum, bearing 523 is contained in 544 places, oil sealing 551 is contained in 530 places, the 550th, left end has the end cap of deer horn 549 and promptly schemes c, the blade direction of deer horn 549 backward, promptly to scheme e opposite with right-hand member 513 deer horns, promptly scheme on the f and 513 deer horns are fixed on right-hand member bearing shell, the blade direction still backward, at this moment two deer horns 549 are promptly schemed c, 513 promptly to scheme the direction of e just consistent, all be backward, promptly scheme F and bring the grass silk that comes into to scratch forward the running rotor 563 of hoeing up weeds), pass to again on the main shaft 59, promptly hoe up weeds on the rotor 563 (the figure F among Fig. 7), the rotating speed 3600/rpm of engine commentaries on classics is dropped to 450/rpm to be changeed, promptly the hoe up weeds rotating speed of rotor 563, the gear train load connects shape as 524, shown in the overall package theory structure schematic diagram of 562 (the figure E among Fig. 6), the 525th, the gear operation directional diagram, the 526th, seal gasket, and be full of lubricating oil in the reduction of speed case 54.The rotor arrangement 563 (the figure F among Fig. 7) of hoeing up weeds is contained in back support frame 2 (the figure B among Fig. 3 ₁) interior bottom, promptly six rib bayonet sockets 522 in last large single tooths wheel 521 join in main shaft 59 left ends six rib draw-in grooves 552 and the reduction of speed device 5, main shaft 59 right-hand members link to each other with sealed bearing shell 512 (the figure D among Fig. 5) (the 511st, the figure B among support frame 2 Fig. 3 backward ₁In 23 place's stationary planes, 553 be oil sealing, 554 for bearing, 556 be left pad, the 557th, right pad, 558 are the oiling screw hole); The structure of hoeing up weeds just designs on main shaft 59, divide seven circles 567 above, 568,569,570,571,572, the 573 little perching knives of hoeing up weeds, all hoe up weeds 360 ° of figure G (566) circumference among Fig. 8 shown in the scuppit cutter branch planar structure schematic diagram, each circle has the scuppit cutter 560 of hoeing up weeds of six arm of force bendings 559, have 42 hoe up weeds scuppit cutter 560 and 42 bending moment arms 559 altogether, scuppit cutter 560 be weldering extremely the arm of force 559 bottom and to 15 ° of circumference outer inclines, the major part that blade arranged forward, be the knife back the microcephaly backward, figure F (563) among Fig. 7 hoes up weeds shown in the rotor, the arm of force other end and the last arm of force superpose and are fixed on the fixed head 510 with screw rod 561, fixed head 510 is to weld extremely on main shaft 59,7 altogether, the one 567,3 569,5 571, the 7 573 and the 2 568,4 570,6 573 30 ° of circle difference positions are fixing, fixed head 510 is in main shaft 59 difference 30 ° of welding in position promptly, the rotor 563 of so hoeing up weeds promptly schemes one week of F 12 impetus are just arranged, promptly 12 arrange, 574,575,576,577,578,579,580,581,582,583,584,585, all hoe up weeds 360 ° of figure G circumference among Fig. 8 shown in the blade branch planar structure schematic diagram, become the rotor 563 of hoeing up weeds (the figure F among Fig. 7) of a round wheeled construction after the assembling, beam overall is about 40cm.Figure E (562) among Fig. 6 is reduction of speed device 5 figure D and hoe up weeds rotor arrangement 563 figure F and back support frame 2 figure B ₁Overall structure building block principle schematic diagram, 28 figure B ₂For anti-earth mulch is screwed at back support frame 2 figure B ₁On, iron bar 27 is fixed on 26; Figure F (563) among Fig. 7 is the rotor profile structure chart of hoeing up weeds; Figure G among Fig. 8 ₁(565) be the circular face angle branch theory structure schematic diagram of rotor 563 figure F of hoeing up weeds, dotted line 564 has represented to enter second circle 568; 566 figure G are 360 ° of all the scuppit cutter branch planar structure schematic diagrames of hoeing up weeds of rotor 563 figure F circumference of hoeing up weeds.Back shovel device 6 (the figure I among Fig. 9) is arranged on back support frame 2 figure B ₁Lower tail, promptly the axis 62 of back shovel device 6 is through back support frame 2 figure B ₁Afterbody 25 circular holes in the middle of, the back shovel arm of force 61 1 ends are to weld extremely on axis 62, and are to have spring 65 up and down structures, so that by trench, sill; The back shovel divides two kind of 63 (40cm), 64 (30cm), can select to change width according to actual conditions and use, and be screwed at the arm of force 61 bottom.

Process structure of the present invention: the connection between concrete structure of the present invention and the each several part all is with the screw rod locking, makes the wearing and tearing back transfer pine to tighten and keep in repair all and makes things convenient for.The present invention mainly is divided into eight major parts, power set 3 are to be fixed on the preceding support frame 1, preceding support frame 1 joins with back support frame 2, preceding wheel apparatus 4 is support frame bottoms before being fixed on, reduction of speed device 5 is to be fixed on support frame 2 left sides, back, the rotor arrangement 563 of hoeing up weeds is to be contained in support frame 2 inside, back, and back shovel device 6 is contained in the fixing eye of support frame 2 afterbodys 25 places, back, and operating means 7 is before and after being fixed on the support frame.

Operating process of the present invention: after final assembly is complete, it at first is opening power, Throttle Opening Control knob 72 ato units 3, make whole grass-remover begin to run well, when needs begin to hoe up weeds, the knob 72 of opening the throttle, grass-remover is run up, at this moment with handrail under the hand 71, make rotor 563 kiss the earths of hoeing up weeds, and get into ground the inside and begin to hoe up weeds, when weeding hoe is intact, lift handrail 71, make rotor 563 built on stilts of hoeing up weeds, be raised to aerial, change the position of hoeing up weeds, it is just passable, very flexible to shove along, and the grass-remover all wt is born by preceding wheel apparatus 4, when stopping to hoe up weeds, it is just passable to knock out engine 3.

Embodiment of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design philosophy of the present invention; engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.

Claims

1. the fuel-efficient grass-remover of small-sized prompt power comprises power set, front and back support frame means, preceding wheel apparatus, reduction of speed device, the rotor arrangement of hoeing up weeds, back shovel device and operating means, it is characterized in that:

Be provided with the both hands palm in the operating means (7) and hold the handrail (71) of symmetry, power supply, Throttle Opening Control knob (72), and power lead (75) and stay cord (74) etc., operating means (7) stiff end (76) down is to adjust handrail (71) structure of height up and down, be fixed on the fixing eye (24) of back support frame (2), following stiff end pipe (77) is also rotatable to be regulated on the fixing eye (14) that is fixed on preceding support frame (1); Power set (3) adopt 168F or 170F petrol engine, air purifier (33) has been done modification, designed the twice air purifier, the air that the first road air purifier (31) purifies enters in the second road air purifier (33) by flexible pipe (32) and carries out the work utilization again in cylinder after the filtration, and power set (3) stationary planes (35) are fixed on the rectangle eye (12) of preceding support frame (1); Preceding wheel apparatus (4) adopts pneumatic tire (43), the centre is provided with six rib square openings (47) and joins with six rib semiaxis (45), and it is fixing with screw (46), about six rib semiaxis (45) be separately structure (413), and be fixed in the cartridge housing (42) with 4 bearings (48), preceding wheel apparatus (4) stationary plane (41) is fixed under the rectangle eye (13) of preceding support frame (1); Reduction of speed device (5) is to be provided with to be fixed on the back support frame (22), power set (3) middle belt pulleys (36) are connected on the outer upper belt pulley of reduction of speed device (5) (53) by belt (52), enter in the reduction of speed case (54) by minor axis (534) then, pass on the little monodentate (516), pass to 1 then again, 2,3 is the bidentate wheel I (518) of order, bidentate wheel II (519), on the bidentate wheel III (520), pass to again on the individual gears (521) of a maximum at last, pass on main shaft (59) and the rotor of hoeing up weeds (563), the reduction of speed case is full of lubricating oil in (54) again; The rotor arrangement (563) of hoeing up weeds is contained in the interior bottom of back support frame (2), the main shaft left end links to each other with last large single tooth wheel (521) in the reduction of speed device (5), right-hand member links to each other with right bearing shell (512), and both sides are provided with blade direction fixing backward left deer horn (549) and right deer horn (513), bring the grass silk that comes into to scratch forward the running rotor (563) of hoeing up weeds, the structure of hoeing up weeds is provided with the little perching knife (560) of a plurality of bending moment arms (559), little perching knife (560) when weld the arm of force (559) lower end to 15 ° of circumference outer inclines, seven enclose altogether, every circle has 6 times, 42 times altogether, difference position, front and back is fixed on the fixed head (510) for 30 °, forms a wheeled rotor structure of hoeing up weeds of circle (563); Back shovel device (6) is provided with and is fixed in the axis hole of assembling bottom (25) of back support frame (2), and be provided with the up and down structure of spring (65), the back shovel divides two kinds, can select for first kind and second kind to use, and be screwed at the back shovel arm of force (61) bottom; Preceding support frame (1) and back support frame (2) are the structures of separating separately, preceding support frame (1) is an integral body, back support frame (2) is an integral body, and preceding support frame (1) and back support frame (2) are to be screwed together, and iron bar (27) is installed and is covered anti-earth mulch (28).

2. the fuel-efficient grass-remover of small-sized prompt power according to claim 1, it is characterized in that described preceding support frame (1) and back support frame (2), preceding support frame (1) is whole, go up the square eye of dynamic device (3) fixed length (12), under the square eye of preceding wheel apparatus (4) fixed length (13) is arranged, on the fixing eye of operating means (7) (14) is arranged, the stationary plane (11) with back support frame (2) is arranged down; Back support frame (2) is whole, there is reduction of speed device (5) stationary plane (22) in the left side, there is right bearing shell (512) stationary plane (23) on the right side, the rotor arrangement (563) of hoeing up weeds is contained in the interior bottom of back support frame (2), on the fixing eye of iron bar (27) and anti-earth mulch (28) is arranged, and the assembling axis hole (25) of the fixing eye (24) of operating means (7) and back shovel device (6), back support frame (2) front fixing surface (21) is the faying face of preceding support frame (1) stationary plane (11), and uses screw.

3. the fuel-efficient grass-remover of small-sized prompt power according to claim 1 is characterized in that having designed the twice air purifier in the described power set (3), i.e. the first road air purifier (31) and the second road air purifier (33).Being provided with two-layer sponge in the first road air purifier (31) filters, the ground floor sponge filters (310) and second layer sponge is filtered (312) and the folding net of one deck paper filters (311), shell all is provided with air admission hole inside and outside (313), interior air admission hole (316) and external admission hole (315), and air intake duct (314), insert flexible pipe (32) and use jump ring (37), lead in the second road air purifier (33), clarifier (33) shell seals, interior is constant, clarifier (33) can only inspiration first road air purifier (31) cleaned air passes filter once more, enter again and carry out the work utilization in the cylinder, be assembled into an integral power device (3) and be fixed on the stationary plane (12) of preceding support frame (1).

4. the fuel-efficient grass-remover of small-sized prompt power according to claim 1, it is characterized in that described preceding wheel apparatus (4), adopt pneumatic tire (43), on charging connector (44) is arranged, cover tire (411), the inner tube of a tyre (412), the centre is provided with six rib square openings (47) and six rib semiaxis (45) join, and hold-down screw (46), this structure is to adjust the structure of change in location width, about six rib semiaxis (45) be structure (413) separately, and be fixed in the bearing shell (42) with 4 bearings (48), end cap (49) is arranged outward, on inclined plane (41) is arranged, be fixed under the stationary plane (13) of preceding support frame (1).

5. the fuel-efficient grass-remover of small-sized prompt power according to claim 1 is characterized in that the outer upper belt pulley of described reduction of speed device (5) (53) key strip (542), and pad (543), hold-down screw are fixed on the minor axis (541); Pinion (516) six rib bayonet sockets (517) are stuck on minor axis (534) six rib draw-in grooves (535), and jump ring (515) is stuck in the jump ring groove (536), and load onto bearing (539), oil sealing (540), seal with the external world, jump ring (532) is stuck in the interior jump ring groove of reduction of speed case (54) (527), oversteps the limit to prevent bearing (539); With 1,2,3 is that bidentate wheel I (518), bidentate wheel II (519), the bidentate wheel III (520) of order is contained in the gear-box (54) with gear minor axis (514) and to fix, the bidentate wheel is movable structure on the gear minor axis, and last lower gear all interconnects, with the transmission of guaranteed output; Main shaft (59) left end six rib draw-in grooves (552) are stuck in the reduction of speed case in the six rib bayonet sockets (522) of last large single tooth wheel (521), and bearing (523) is housed, and oil sealing (551) seals in the external world; Fill lubricating oil in the whole reduction of speed case (54), on tank filler sleeve (56) is arranged, draining hole (57) is arranged down, and the fixed screw holes (58) of protection watt (51).

6. the fuel-efficient grass-remover of small-sized prompt power according to claim 1, it is characterized in that the described rotor arrangement of hoeing up weeds (563) is fixed on the interior bottom of back support frame (2), be that main shaft (59) left end six rib draw-in grooves (552) six rib bayonet sockets (522) in last large single tooth wheel (521) in reduction of speed device (5) join, main shaft (59) right-hand member links to each other in right-hand member sealed bearing shell (512), the structure of hoeing up weeds is arranged on the main shaft (59), the little perching knife (560) of hoeing up weeds that the bending moment arm that is evenly distributed (559) is arranged above, the major part that blade arranged forward, be the knife back the microcephaly backward, little perching knife (560) is microcephaly's one end that welds extremely at bending moment arm (559), and to 15 ° of circumference outer inclines, the other end and the stack of the last arm of force are fixed on the fixed head (510), form uniform one and enclose the loop structure of hoeing up weeds, interval, the front and back number of degrees all are 60 ° to be fixed, the other the 1st, 3,5,7 circles are with the 2nd, 4,6 30 ° of circle difference positions are fixing, that is to say, hoeing up weeds has 12 row's cuttves (560) of hoeing up weeds in (563) one weeks of rotor structure, and assembling becomes a wheeled rotor structure of hoeing up weeds of circle (563); Its two, be provided with in main shaft (59) both sides of the rotor of hoeing up weeds (563), the deer horn that the blade direction is fixing backward, left deer horn (549) is fixed on the reduction of speed device (5), right deer horn (513) is fixed on the right-hand member sealed bearing shell (512).

7. the fuel-efficient grass-remover of small-sized prompt power according to claim 1, it is characterized in that described back shovel device (6) is arranged on the lower tail of back support frame (2), weld mutually with axis (62) the back shovel arm of force (61) upper end, axis (62) two ends are through in the axis hole bottom (25) of back support frame (2), and be to have the up and down structure of spring (65), the back shovel divides long back shovel (64) of two kinds of 30cm and the long back shovel (63) of 40cm, can select to use, after shovel and be screwed bottom at the back shovel arm of force.

8. the fuel-efficient grass-remover of small-sized prompt power according to claim 1, it is characterized in that described operating means (7) is provided with the both hands palm and holds the handrail (71) of symmetry, power supply, Throttle Opening Control knob (72) also has stay cord (74), lead (75), fixing point (73) is stay cord (a 74) crust stiff end, and operating means (7) is fixed on the support frame of front and back, stiff end (76) is fixed on the fixing eye (24) of back support frame (2), stiff end pipe (77) is fixed on the fixing eye (14) of preceding support frame (1), stiff end (76) is for adjusting operating means (7) structure of height up and down, stiff end pipe (77) also can activity fixing operation device (7) structure of height up and down, power lead (75) is connected on the power switch of engine, the core wire end (79) of stay cord (74) is connected on the stiff end (711) of engine throttle arm-tie (710), fixed head (78) is fixed on the fixed position (38) of engine (3), and spring (712) other end is fixed on engine chimney bottom.