CN113711760A - Gasoline engine driven grass chopper - Google Patents

Abstract

The utility model relates to a gasoline engine driven grass chopper, including the frame of installing the walking wheel, the frame lower extreme rotates and is connected with the blade, be equipped with the gasoline engine on the frame, gasoline engine driving blade can rotate, the frame is equipped with front end opening and rear end opening, front end opening and rear end opening are located the both sides of blade respectively, the front end opening supplies the grass to get into, the grass after the rear end opening supplies the cutting is discharged, be equipped with the push pedal on the frame, the push pedal is close to the front end opening and sets up, the push pedal is used for pushing down the grass that will have the height and makes the grass get into from the front end opening part. The grass chopper advances the in-process, if meet higher weeds, the push pedal at first contacts with weeds upper end and pushes away weeds, and weeds after pushing away transversely get into from the front end opening and are discharged from the rear end opening after being cut by the blade, can make things convenient for the grass chopper to cut highly higher weeds.

Description

Gasoline engine driven grass chopper

Technical Field

The application relates to the field of grass chopper, in particular to a gasoline engine-driven grass chopper.

Background

Mowers are also known as weed trimmers, lawnmowers, grass breakers, and the like. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit. The cutter head is arranged on the travelling wheel, the engine is arranged on the cutter head, the blade is arranged on the output shaft of the engine, the blade is greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced.

The invention patent with publication number CN106171253B discloses a mower, comprising: a cutting element for mowing the grass, a motor for driving the cutting element to rotate, a housing for accommodating the motor, and a handle device for a user to operate the mower; wherein, handle device includes: a handle portion for a user to grip, a connecting portion extending substantially in a first linear direction, and a first operation member having a grip portion for a user to grip; the first operating member rotates relative to the handle portion about a first axis that is parallel to the connecting portion.

The above-mentioned related technical solutions have the following drawbacks: when the mower is used for cutting some weeds with high height, the roots of the weeds close to the mower abut against the machine shell, an operator cannot push the mower to continue to advance easily, and meanwhile, the weeds are difficult to push down and are wound into the cutting element, so that the mower cannot cut the weeds with high height easily.

Disclosure of Invention

In order to facilitate the mower to cut weeds with high height, the application provides a gasoline engine-driven grass chopper.

The application provides a garrulous grass machine of gasoline engine driven adopts following technical scheme:

the utility model provides a gasoline engine driven grass chopper, is including the frame of installing the walking wheel, the frame lower extreme rotates and is connected with the blade, be equipped with the gasoline engine on the frame, gasoline engine driving blade can rotate, the frame is equipped with front end opening and rear end opening, front end opening and rear end opening are located the both sides of blade respectively, the front end opening supplies grass to get into, the grass after the rear end opening supplies the cutting is discharged, be equipped with the push pedal on the frame, the push pedal is close to the front end opening setting, the push pedal is used for pushing down the grass that will have the height and makes grass get into from the front end opening part.

Through adopting above-mentioned technical scheme, the grass chopper is at the advancing in-process, if when meetting higher weeds, the push pedal at first contacts with the weeds upper end and pushes away weeds, and the weeds after pushing away transversely gets into from the front end opening and is discharged by the rear end opening after the blade cutting, can make things convenient for the grass chopper to cut highly higher weeds.

Preferably, a baffle is arranged at the opening at the rear end.

Through adopting above-mentioned technical scheme, the baffle can alleviate the garrulous grass to the operating personnel's that is close to rear end opening part impact force.

Preferably, the parts of the side surfaces of the two sides of the machine base, which are close to the rear end opening, are tapered towards one side of the baffle.

Through adopting above-mentioned technical scheme, can make grass fly away towards baffle one side after being cut to the grass that makes after being cut can collect to impact in baffle department, reduces the splash of garrulous grass.

Preferably, be equipped with the supporting seat on the frame, the supporting seat is located frame rear end opening and keeps away from front end open-ended one side, be connected with on the supporting seat and dial grass device and collection device, dial grass device and be used for dialling the grass after the cutting to collection device, collection device will dial the grass of coming and retrieve.

Through adopting above-mentioned technical scheme, the blade rotates and to stay the grass behind the cutting, and garrulous grass can be subaerial, then dials the grass device and dials garrulous grass to collection device, and collection device collects garrulous grass again, can realize the automatic collection of garrulous grass, and the garrulous grass of collection can be used as some fodder of breeding the animal.

Preferably, the traveling wheels comprise two front traveling wheels and two rear traveling wheels, the two front traveling wheels are respectively and rotatably connected to two sides of the base, the support base is rotatably connected with a first rotating shaft, the two rear traveling wheels are respectively and coaxially fixed to two ends of the first rotating shaft, and the base and the support base are supported on the ground by the two front traveling wheels and the two rear traveling wheels;

dial the grass device and include driving piece one, locking piece and vertical sliding connection the removal seat on the supporting seat, it is connected with the second pivot to rotate on the removal seat, the axis direction of second pivot is on a parallel with the axis direction of first pivot, second pivot outer wall is equipped with a plurality of blades along the circumferential direction of second pivot, a driving piece drive second pivot rotates, and a plurality of blades are used for dialling the grass after the subaerial cutting to collection device, the locking piece is used for will removing the seat locking on the supporting seat.

Through adopting above-mentioned technical scheme, operating personnel has adjusted the height of removing the seat on the supporting seat, makes the blade can contact ground, and reuse driving piece drive second pivot to rotate, and the second pivot drives the blade and rotates, and the blade is picked up subaerial accumulational garrulous grass and is dialled to collection device.

Preferably, the first driving member comprises a third rotating shaft, a first gear, a second gear, a rotating rod, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, the third rotating shaft is rotatably connected to the movable seat, the third rotating shaft is positioned above the second rotating shaft and is parallel to the second rotating shaft, the first gear is coaxially arranged on the first rotating shaft, the second gear is coaxially arranged on the third rotating shaft, the second gear is engaged with the first gear, the rotating rod is rotationally connected to the supporting seat, the first bevel gear and the second bevel gear are respectively and coaxially fixed at the top end and the bottom end of the rotating rod, the third bevel gear is coaxially and fixedly connected on a third rotating shaft, the third bevel gear is meshed with the first bevel gear, the fourth bevel gear is coaxially fixed on the second rotating shaft, and the fourth bevel gear is meshed with the second bevel gear.

By adopting the technical scheme, the method has the advantages that,

preferably, the dwang includes first pole, second pole and first spring, the spout has been seted up towards one side of second pole to first pole, vertical sliding connection is followed on the spout to the second pole, the both ends of first spring set up respectively on spout diapire and second pole, first bevel gear and second bevel gear are coaxial setting respectively in the one end that first pole and second pole were kept away from each other.

Through adopting above-mentioned technical scheme, when operating personnel pushes away the in-process that the garrulous grass machine walked, under the effect of first spring, the blade can adapt to unevenness's road surface, and first spring can alleviate the vibrations that remove the seat simultaneously.

Preferably, the locking piece includes locking piece, second spring and driving piece two, locking piece sliding connection is on the supporting seat, the second spring sets up and is used for driving the locking piece to slide towards removing seat one side on the supporting seat, remove the seat and set up two and locking piece complex locking grooves towards one side of locking piece, two locking grooves are located same vertical plane, the driving piece is used for driving the locking piece and slides on the supporting seat, when the locking groove of locking piece above being located, first gear engagement is connected on the second gear, the blade butt is subaerial, when the locking groove of locking piece below being located, the second gear is kept away from first gear setting and is located the top of first gear, the blade breaks away from ground.

By adopting the technical scheme, when the locking block is positioned in the locking groove above, the blades can be abutted against the ground, and meanwhile, the backward wheel rotates to drive the blades to move, so that the blades can stir the grass clippings on the ground; when the locking piece was located the locking groove of below, the blade rebound was to keeping away from ground, and the back wheel rotates simultaneously and no longer drives the blade motion, and garrulous grass is no longer stirred to the blade, can realize dialling the switching of grass device between operating condition and non-operating condition.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the baffle, the cut grass can fly towards one side of the baffle, so that the cut grass can be converged to impact the baffle, and the splashing of the broken grass is reduced;

by arranging the grass poking device and the collecting device, the automatic collection of the broken grass can be realized, and the collected broken grass can be used as feed for some cultured animals;

through setting up first spring, when operating personnel pushes away the in-process that the garrulous grass machine walked, under the effect of first spring, the blade can adapt to unevenness's road surface.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a blade and a base according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of the working state of the grass poking device according to the embodiment of the application.

Fig. 4 is a schematic structural view of the locking member according to the embodiment of the present application.

Description of reference numerals: 1. a machine base; 11. the front end is open; 12. the rear end is open; 13. a traveling wheel; 131. a front wheel; 132. a rear wheel; 133. a first rotating shaft; 1331. a first gear; 14. pushing the plate; 15. a gasoline engine; 16. a blade; 17. a supporting seat; 171. a cavity; 172. a sliding groove; 18. a push handle; 19. a baffle plate; 2. a grass poking device; 21. a movable seat; 211. a locking groove; 22. a first driving part; 221. rotating the rod; 2211. a first lever; 2212. a second lever; 222. a first bevel gear; 223. a second bevel gear; 224. a fourth bevel gear; 225. a third rotating shaft; 226. a second gear; 227. a third bevel gear; 23. a second rotating shaft; 24. a blade; 25. a support frame; 26. a locking member; 261. a locking block; 262. a second spring; 27. a driving part II; 271. a rack; 272. a third gear; 273. a connecting plate; 28. a handle; 29. a vertical slot; 3. a collection device; 31. a collection box; 32. a fan; 33. a suction tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses garrulous grass machine of gasoline engine driven.

Referring to fig. 1 and 2, the grass chopper driven by the gasoline engine of the embodiment includes traveling wheels 13, a machine base 1 and a supporting seat 17, wherein a front opening 11 and a rear opening 12 are respectively formed at two ends of the machine base 1 in the length direction, and the supporting seat 17 is fixedly connected to one side of the rear opening 12 of the machine base 1, which is far away from the front opening 11. The traveling wheels 13 comprise two front traveling wheels 131 and two rear traveling wheels 132, the two front traveling wheels 131 are respectively rotatably connected to two sides of the machine base 1, the supporting base 17 is provided with a first rotating shaft 133 in a penetrating and rotating mode, the axial direction of the first rotating shaft 133 is parallel to the width direction of the machine base 1, the two rear traveling wheels 132 are respectively and coaxially fixed to two ends of the first rotating shaft 133, the two rear traveling wheels 132 are respectively located on two sides of the supporting base 17, and the rotating axial direction of the two front traveling wheels 131 is parallel to the axial direction of the first rotating shaft 133. The two front wheels 131 and the two rear wheels 132 support the stand 1 and the support base 17 on the ground.

Referring to fig. 1 and 2, a gasoline engine 15 is fixedly connected to the top surface of the base 1, a blade 16 is rotatably connected to the center of the bottom surface of the base 1, an output shaft of the gasoline engine 15 is vertically arranged downwards and fixedly connected to the center of the blade 16 in the length direction, the blade 16 is horizontally arranged, weeds enter from the front end opening 11, and are cut by the blade 16, and then the crushed weeds are discharged from the rear end opening 12.

Referring to fig. 1 and 2, while the gasoline engine 15 drives the blade 16 to rotate, the output shaft of the gasoline engine 15 drives the rear wheel 132 on the support seat 17 to move forward (not shown) through a belt transmission and a reduction gearbox. One end fixedly connected with of the top surface of the supporting seat 17, which is far away from the machine base 1, pushes away the handle 18, and the pushing away handle 18 is arranged in an inclined manner, the top end of the pushing away handle 18 is located above the supporting seat 17 and is located on one side of the supporting seat 17, which is far away from the machine base 1, and the pushing away handle 18 is used for an operator to adjust the advancing direction of the grass chopper.

Referring to fig. 1 and 2, a push plate 14 is fixedly connected to the top surface of the housing 1, the push plate 14 is located on a side of the front opening 11 away from the rear opening 12, and the push plate 14 is used for pushing weeds with height to enter from the front opening 11.

Referring to fig. 1 and 2, in order to reduce the impact of the grass clippings on the operator near the rear opening 12, the baffle 19 is fixedly connected to the rear opening 12, the baffle 19 is not in contact with the ground, and the parts of the lateral sides of the machine base 1 in the width direction near the rear opening 12 are tapered towards the baffle 19, so that the cut grass can be converged to impact the baffle 19, and the splashing of the grass clippings is reduced.

Referring to fig. 1 and 3, the supporting seat 17 is movably connected with a grass poking device 2, the supporting seat 17 is fixedly connected with a collecting device 3 on the top surface, the grass poking device 2 is used for poking cut grass to the collecting device 3, and the collecting device 3 recovers and collects the poked grass.

Referring to fig. 3 and 4, the grass poking device 2 comprises a first driving piece 22, a locking piece 26 and a moving seat 21, wherein a cavity 171 with upper and lower ends communicated is formed in the moving seat 21, and the moving seat 21 is connected to the supporting seat 17 in a sliding mode along the vertical direction. Two vertical grooves 29 are further formed in the moving seat 21, and the two vertical grooves 29 are respectively accommodated at two ends of the first rotating shaft 133, so that the moving seat 21 does not affect the first rotating shaft 133. The bottom end of the movable seat 21 is located below the bottom end of the support seat 17, and the top end of the movable seat 21 is located below the top end of the support seat 17. The moving seat 21 is connected to a second rotating shaft 23 in a penetrating manner, an axial direction of the second rotating shaft 23 is parallel to an axial direction of the first rotating shaft 133, and two ends of the second rotating shaft 23 respectively extend out of the moving seat 21 and are located on two sides of the moving seat 21. The outer wall that second pivot 23 is located cavity 171 is along the even fixedly connected with a plurality of blades 24 of the circumferential direction of second pivot 23, and blade 24 has certain toughness and wearability, and the length direction of blade 24 is on a parallel with the length direction of second pivot 23, and cavity 171 is stretched out in the below that blade 24 is located second pivot 23, and driving piece 22 drives second pivot 23 and rotates, and a plurality of blades 24 are used for dialling the grass after cutting on the ground to collection device 3. The locking member 26 is used to lock the movable seat 21 to the support seat 17, thereby controlling the height of the blades 24 from the ground when the blades 24 are not required to collect the grass, and keeping the blades 24 away from the ground.

Referring to fig. 1 and 3, the collecting device 3 includes a collecting box 31, a blower 32, a suction pipe 33 and a discharge pipe, the collecting box 31 is fixedly connected to the top surface of the supporting seat 17, the blower 32 is fixedly connected to the top surface of the collecting box 31, the ends of the suction pipe 33 and the discharge pipe are both communicated with the blower 32, one end of the suction pipe 33 far away from the blower 32 is fixedly connected to the side surface of one side of the movable seat 21 far away from the base 1 and is communicated with the cavity 171, and one end of the discharge pipe far away from the blower 32 is communicated with the collecting box 31. The plurality of blades 24 move the grass clippings on the ground toward the nozzle side of the suction pipe 33.

For example, in open weather, the chopped grass may contain some moisture, and if the method of driving the fan 32 to directly suck the chopped grass into the suction pipe 33 is used, the chopped grass is difficult to be adsorbed by the fan 32 due to a certain weight of the chopped grass. The grass poking device 2 can poke grass to the suction pipe 33, so that the fan 32 can adsorb the broken grass conveniently.

Referring to fig. 3 and 4, the first driving member 22 includes a third rotating shaft 225, two first gears 1331, two second gears 226, two rotating rods 221, two first bevel gears 222, two second bevel gears 223, two third bevel gears 227, and two fourth bevel gears 224. The third rotating shaft 225 is disposed through and rotatably connected to the moving base 21, an axial direction of the third rotating shaft 225 is parallel to an axial direction of the second rotating shaft 23, the third rotating shaft 225 is located right above the second rotating shaft 23, and two ends of the third rotating shaft 225 respectively extend out of the moving base 21. Two first gears 1331 are coaxially fixed at two ends of the first rotating shaft 133 extending out of the moving seat 21, two second gears 226 are coaxially fixed at two ends of the third rotating shaft 225 extending out of the moving seat 21, when the moving seat 21 moves to a certain height position, the two first gears 1331 are respectively engaged with the two second gears 226, and the first rotating shaft 133 rotates and simultaneously drives the third rotating shaft 225 to rotate.

Referring to fig. 3 and 4, brackets 25 are respectively and fixedly connected to the two side surfaces of the movable seat 21 facing the two second gears 226, the two rotating rods 221 are respectively and rotatably connected to the two brackets 25, the rotating rods 221 are located below the first rotating shaft 133, and the rotating rods 221 are vertically arranged. The two first bevel gears 222 are respectively and coaxially and fixedly connected to the top ends of the two rotating rods 221, the two second bevel gears 223 are respectively and coaxially and fixedly connected to the bottom ends of the two rotating rods 221, the two third bevel gears 227 are respectively and coaxially and fixedly connected to the two ends of the third rotating shaft 225, the two third bevel gears 227 are respectively located on the two sides of the two second bevel gears 226, and the two fourth bevel gears 224 are respectively and coaxially and fixedly connected to the two ends of the second rotating shaft 23. Wherein the third bevel gear 227 is in meshed connection with the corresponding first bevel gear 222, and the fourth bevel gear 224 is in meshed connection with the corresponding second bevel gear 223.

When the two first gears 1331 are respectively engaged with the two second gears 226, the rotation of the first rotating shaft 133 drives the third rotating shaft 225 to rotate, and the third rotating shaft 225 drives the second rotating shaft 23 to rotate through the cooperation with the rotating rod 221, so as to drive the vane 24 to move.

Referring to fig. 3 and 4, the rotating rod 221 includes a first rod 2211, a second rod 2212 and a first spring, a vertically disposed sliding groove is formed in a side surface of the first rod 2211 facing the second rod 2212, the second rod 2212 is connected to the sliding groove along a vertical sliding connection, two ends of the first spring are respectively fixed to a bottom wall of the sliding groove and a top surface of the second rod 2212, the first bevel gear 222 is coaxially fixed to a top end of the first rod 2211, and the second bevel gear 223 is coaxially fixed to a bottom end of the second rod 2212. The limiting groove has been seted up on the spout, be fixed with the stopper that matches with the limiting groove on the second pole 2212 outer wall, the stopper can prevent that second pole 2212 from breaking away from first pole 2211.

Referring to fig. 3 and 4, the locking member 26 includes a second driving element 27, two locking blocks 261 and two second springs 262, two locking grooves 211 engaged with the two locking blocks 261 are respectively disposed on two side surfaces of the movable base 21 facing the supporting base 17, and the two locking grooves 211 are disposed opposite to each other in the vertical direction. The sliding groove 172 that sets up along vertical direction is seted up towards the both sides side of removing seat 21 to supporting seat 17, two locking piece 261 are respectively along the axis direction sliding connection that is on a parallel with first pivot 133 on two sliding groove 172, two second springs 262 respectively with two locking piece 261 one-to-ones, the both ends of second spring 262 are fixed connection respectively on sliding groove 172 diapire and locking piece 261 is towards one side of sliding groove 172 diapire on, second spring 262 is the compression state all the time. The second driving element 27 is used for driving the locking block 261 to slide on the sliding groove 172. When the locking block 261 is locked in the locking groove 211 located above, the first gear 1331 is engaged with the second gear 226, the blade 24 abuts against the ground under the action of the first spring, and the grass poking device 2 is in a working state. When the locking block 261 is locked in the locking groove 211 located below, the second gear 226 is far from the first gear 1331 and located above the first gear 1331, the second rotating shaft 23 can not be driven by the first rotating shaft 133 to rotate, meanwhile, the blade 24 is also separated from the ground, and at this time, the grass poking device 2 is in a non-working state.

Referring to fig. 3 and 4, the second driving member 27 includes a third gear 272, two racks 271 and two connecting plates 273. The third gear 272 is rotatably connected to the top surface of the supporting seat 17, the axial direction of the third gear 272 is vertically arranged, the two racks 271 are slidably connected to the top surface of the supporting seat 17, the two racks 271 are respectively located at two sides of the third gear 272 and are engaged with the third gear 272, and the length direction of the racks 271 is parallel to the length direction of the first rotating shaft 133. The two connection plates 273 are respectively fixedly connected to the two racks 271, one end of the connection plate 273 is fixed to the racks 271, the other end of the connection plate 273 is fixedly connected to the locking block 261, and the connection plate 273 can be slidably connected to the locking groove 211 in a sliding direction parallel to the locking block 261.

Referring to fig. 1 and 3, a handle 28 is fixedly connected to the movable seat 21, the handle 28 is U-shaped, two ends of the handle 28 are respectively located at two ends of the top surface of the movable seat 21, the top end of the handle 28 is located above the supporting seat 17, and an operator can lift or put down the movable seat 21 on the handle 28 by applying force.

The operating personnel is through stirring rack 271, can control two locking piece 261 and overcome the elasticity orientation that corresponds second spring 262 respectively and remove towards one side direction of keeping away from corresponding locking groove 211 to make two locking piece 261 break away from two locking grooves 211 simultaneously, the removal of seat 21 is removed in the portable handle 28 control of operating personnel simultaneously, makes two other locking grooves 211 aim at two locking pieces 261, under the effect of second spring 262, two locking piece 261 joints are in two other locking grooves 211. Thereby realizing the switching of the working state of the grass poking device 2.

The implementation principle of the grass chopper driven by the gasoline engine in the embodiment of the application is as follows: whether operating personnel selects to collect garrulous grass according to actual conditions, if need collect garrulous grass, then control locking piece 261 joint is in the locking groove 211 that is located the top, start 15 work of gasoline engine this moment, 15 drive blades of gasoline engine 16 are rotatory to the grass cutting, it advances to drive the back wheel 132 on the supporting seat 17 through belt drive and reducing gear box simultaneously, back wheel 132 rotates and can drive and dial the blade 24 on the grass device 2 and move, thereby dial garrulous grass to collection device 3, then start fan 32 adsorbs garrulous grass, the realization is to the collection of garrulous grass. If not needing to collect garrulous grass, control locking piece 261 joint is in the locking groove 211 that is located the below, and grass poking device 2 no longer works this moment, stops fan 32 work simultaneously, and the grass chopper only cuts the weeds operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a gasoline engine driven grass chopper, is including frame (1) of installing walking wheel (13), frame (1) lower extreme rotates and is connected with blade (16), be equipped with gasoline engine (15) on frame (1), gasoline engine (15) drive blade (16) can rotate, frame (1) is equipped with front end opening (11) and rear end opening (12), front end opening (11) and rear end opening (12) are located the both sides of blade (16) respectively, front end opening (11) supply grass to get into, rear end opening (12) supply the grass after the cutting to discharge its characterized in that: the machine base (1) is provided with a push plate (14), the push plate (14) is arranged close to the front end opening (11), and the push plate (14) is used for pushing the grass with the height to the upside down to enable the grass to enter from the front end opening (11).

2. A gasoline engine driven grass chopper as claimed in claim 1, characterized in that: a baffle plate (19) is arranged at the rear end opening (12).

3. A gasoline engine driven grass chopper as claimed in claim 2, characterized in that: the parts of the side surfaces of the two sides of the engine base (1) close to the rear end opening (12) are tapered towards one side of the baffle (19).

4. A gasoline engine driven grass chopper as claimed in claim 1, characterized in that: be equipped with supporting seat (17) on frame (1), supporting seat (17) are located frame (1) rear end opening (12) and keep away from one side of front end opening (11), be connected with on supporting seat (17) and dial grass device (2) and collection device (3), dial grass device (2) and be used for dialling the grass after the cutting to collection device (3), the grass that collection device (3) will dial is retrieved.

5. A gasoline engine driven grass chopper as claimed in claim 4 wherein: the travelling wheels (13) comprise two front wheels (131) and two rear wheels (132), the two front wheels (131) are respectively and rotatably connected to two sides of the machine base (1), the supporting base (17) is rotatably connected with a first rotating shaft (133), the two rear wheels (132) are respectively and coaxially fixed to two ends of the first rotating shaft (133), and the machine base (1) and the supporting base (17) are jointly supported on the ground by the two front wheels (131) and the two rear wheels (132);

dial grass device (2) including driving piece (22), locking piece (26) and vertical sliding connection removal seat (21) on supporting seat (17), it is connected with second pivot (23) to rotate on removal seat (21), the axis direction of second pivot (23) is on a parallel with the axis direction of first pivot (133), second pivot (23) outer wall is equipped with a plurality of blades (24) along the circumferential direction of second pivot (23), driving piece (22) drive second pivot (23) rotate, and a plurality of blades (24) are used for dialling the grass after cutting subaerial to collection device (3), locking piece (26) are used for will removing seat (21) locking on supporting seat (17).

6. A gasoline engine driven grass chopper as claimed in claim 5, characterized in that: the first driving part (22) comprises a third rotating shaft (225), a first gear (1331), a second gear (226), a rotating rod (221), a first bevel gear (222), a second bevel gear (223), a third bevel gear (227) and a fourth bevel gear (224), the third rotating shaft (225) is rotatably connected to the movable base (21), the third rotating shaft (225) is positioned above the second rotating shaft (23) and arranged in parallel with the second rotating shaft (23), the first gear (1331) is coaxially arranged on the first rotating shaft (133), the second gear (226) is coaxially arranged on the third rotating shaft (225), the second gear (226) is used for being meshed with the first gear (1331) and connected with the supporting base (17), the first bevel gear (222) and the second bevel gear (223) are respectively and coaxially fixed at the top end and the bottom end of the rotating rod (221), the third bevel gear (227) is coaxially and fixedly connected to a third rotating shaft (225), the third bevel gear (227) is meshed with the first bevel gear (222), the fourth bevel gear (224) is coaxially fixed to the second rotating shaft (23), and the fourth bevel gear (224) is meshed with the second bevel gear (223).

7. A gasoline engine driven grass chopper as claimed in claim 6, characterized in that: dwang (221) includes first pole (2211), second pole (2212) and first spring, the spout has been seted up towards one side of second pole (2212) in first pole (2211), vertical sliding connection is followed on the spout in second pole (2212), the both ends of first spring set up respectively on spout diapire and second pole (2212), first bevel gear (222) and second bevel gear (223) are coaxial setting respectively in the one end of keeping away from each other of first pole (2211) and second pole (2212).

8. A gasoline engine driven grass chopper as claimed in claim 6, characterized in that: the locking piece (26) comprises a locking block (261), a second spring (262) and a second driving piece (27), the locking block (261) is connected to the supporting seat (17) in a sliding mode, the second spring (262) is arranged on the supporting seat (17) and used for driving the locking block (261) to slide towards one side of the movable seat (21), the movable seat (21) is provided with two locking grooves (211) matched with the locking block (261) towards one side of the locking block (261), the two locking grooves (211) are located on the same vertical plane, the second driving piece (27) is used for driving the locking block (261) to slide on the supporting seat (17), when the locking block (261) is located on the locking groove (211) above, the first gear (1331) is connected to the second gear (226) in a meshing mode, the blade (24) is abutted to the ground, and when the locking block (261) is located on the locking groove (211) below, the second gear (226) is disposed away from the first gear (1331) and above the first gear (1331), and the blade (24) is disengaged from the ground.

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