CN210406222U

CN210406222U - Rotary mower

Info

Publication number: CN210406222U
Application number: CN201921190563.6U
Authority: CN
Inventors: 赵正旺; 谢乐乐; 李灏
Original assignee: Luoyang Sida Agricultural Machinery Co ltd
Current assignee: Luoyang Sida Agricultural Machinery Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-28
Anticipated expiration: 2029-07-26

Abstract

A rotary mower comprises a mower body, wherein a mower frame is arranged on the right side of the mower body, a lifting device is arranged on the mower frame, the lifting device is provided with a cutting device and comprises a first connecting plate, a second connecting plate, a first connecting arm, a second connecting arm, a first supporting plate, a second supporting plate, a third connecting plate, a fourth connecting plate, a first hydraulic cylinder and a second hydraulic cylinder, the other ends of the first connecting arm and the second connecting arm are provided with a beam, the cutting device comprises a rotary drum, an upper cutter head, a main shaft, a cutting knife and a lower cutter head, the utility model has simple structure and convenient use, the cutting device is positioned in front of the machine head, no dead angle is generated during cutting, the user does not need to carry out secondary trimming, time and labor are saved, a lifting device is arranged, the height of the cutting knife can be freely adjusted, the lawn with the corresponding thickness can be cut according to the will of a user, and the improvement performance is reliable.

Description

Rotary mower

Technical Field

The utility model relates to a mowing equipment technical field especially relates to a rotatory lawn mower.

Background

A lawn mower is a commonly used garden machine for trimming a lawn. In the process of trimming the lawn, the rotary motion of the cutting device of the mower drives the cutting blade to perform mowing operation, and cut grass can be used as lawn fertilizer. Generally, when the mower reaches the limit cutting position, the cutting blade cannot cut grass between the front end of the mower and the cutting blade because the cutting range of the cutting blade is spaced from the front end of the mower, and thus grass near the corner cannot be cut well. The user needs to do the second trimming by hand or using other trimming tools, which causes great inconvenience to the user. In addition, when a common mower mows, the distance between the cutting knife and the ground is not easy to adjust, and a user cannot cut out the lawn with the required thickness according to the selection of the user.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a simple structure, convenient to use, can freely adjust the height of cutting knife, the rotatory lawn mower at cutting no dead angle.

The utility model discloses a realize through following technical scheme:

a rotary mower comprises a mower body, wherein a frame is arranged on the right side of the mower body, a lifting device used for changing the cutting height is arranged on the frame, a cutting device used for mowing is arranged on the lifting device, and the lifting device comprises a first connecting plate located on the rear side of the upper surface of the mower body, a second connecting plate located on the front side of the upper surface of the mower body, a first connecting arm connected with the first connecting plate, a second connecting arm connected with the second connecting plate, a first supporting plate connected with the middle position of the first connecting arm, a second supporting plate connected with the middle position of the second connecting arm, a third connecting plate located on the rear side of the middle position of the right side surface of the mower body, a fourth connecting plate located on the front side of the middle position of the right side surface of the mower body, a first hydraulic cylinder connected with the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate, a first hydraulic cylinder connected with the, With the second pneumatic cylinder that first connecting plate, second connecting plate, third connecting plate and fourth connecting plate are connected, the other end of first connecting arm and second connecting arm is equipped with the crossbeam, cutting device is including being located the rotary drum that the vertical direction in edge of crossbeam below set up, with the last blade disc that just sets up along the horizontal direction is connected to the bottom of rotary drum, runs through the rotary drum just runs through go up the main shaft of the central point of blade disc position, be located go up the cutting knife of the lower surface border position of blade disc, with the lower blade disc that the bottom of main shaft is connected.

Preferably, the number of the cutting devices is not less than two.

Preferably, the number of the cutting knives is not less than three.

Preferably, the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate are welded with the frame.

Preferably, the intermediate position of first backup pad is equipped with the strengthening rib along length direction, the intermediate position of second backup pad is equipped with the strengthening rib along length direction, the one end of first backup pad pass through the bolt with the intermediate position of first connecting arm is connected, the one end of second backup pad pass through the bolt with the intermediate position of second connecting arm is connected, the other end of first backup pad with be equipped with first bolt and second bolt between the other end of second backup pad, be equipped with first round pin axle and second round pin axle between third connecting plate and the fourth connecting plate.

Preferably, the top of first pneumatic cylinder is equipped with first ring, the bottom of first pneumatic cylinder is equipped with the second ring, first ring is located between first backup pad and the second backup pad, the second ring is located between third connecting plate and the fourth connecting plate, first bolt runs through first ring, first round pin axle runs through the second ring, the top of second pneumatic cylinder is equipped with the third ring, the bottom of second pneumatic cylinder is equipped with the fourth ring, the third ring is located between first backup pad and the second backup pad, the fourth ring is located between third connecting plate and the fourth connecting plate, the second bolt runs through the third ring, the second round pin axle runs through the fourth ring.

Preferably, the height of the cutting device is 560-620 mm.

The beneficial effects of the utility model reside in that: the utility model has simple structure and convenient use, the cutting device is positioned in front of the vehicle head, no dead angle exists in cutting, the user is not required to carry out secondary trimming, and time and labor are saved; the lifting device is arranged, the height of the cutting knife can be freely adjusted, the lawn with the corresponding thickness can be cut according to the will of a user, and the lifting performance is reliable.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a schematic structural view of the cutting device of the present invention;

FIG. 5 is a cross-sectional view taken along the line A-A;

wherein: the cutting machine comprises a first supporting plate 1, a first connecting plate 2, a shield 3, a first header shell 4, a second supporting plate 5, a second connecting plate 6, a first connecting arm 7, a second connecting arm 8, a first hydraulic cylinder 9, a first bolt 10, a second hydraulic cylinder 11, a second bolt 12, a third connecting plate 13, a fourth connecting plate 14, a first pin shaft 15, a second pin shaft 16, a first upper cutter head 17, a first lower cutter head 18, a second upper cutter head 19, a second lower cutter head 20, a cutting knife 21, a frame 22, a first main shaft 23, a cross beam 24, a first rotary drum 25, a second header shell 26, a second main shaft 27 and a second rotary drum 28.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in figures 1-5, a rotary mower comprises a mower body, a frame 22 horizontally arranged is connected to the right side of the mower body, a lifting device for changing the cutting height is connected to the frame 22, a cutting device for mowing is connected to the lifting device, the lifting device comprises a first connecting plate 2 located on the rear side of the upper surface of the frame 22, a second connecting plate 6 located on the front side of the upper surface of the frame 22, a first connecting arm 7 connected to the first connecting plate 2, a second connecting arm 8 connected to the second connecting plate 6, a first supporting plate 1 connected to the middle position of the first connecting arm 7, a second supporting plate 5 connected to the middle position of the second connecting arm 8, a third connecting plate 13 located on the rear side of the middle position of the right side of the frame 22, a fourth connecting plate 14 located on the front side of the middle position of the right side of the frame 22, a second connecting plate 6 connected to the first connecting plate 2 and the second connecting plate 6, The first hydraulic cylinder 9 that third connecting plate 13 and fourth connecting plate 14 are connected, the second hydraulic cylinder 11 that is connected with first connecting plate 2, second connecting plate 6, third connecting plate 13 and fourth connecting plate 14, first connecting plate 2, second connecting plate 6, third connecting plate 13, fourth connecting plate 14 all weld with frame 22. The welding of length direction is followed to the intermediate position of first backup pad 1 has the strengthening rib, the welding of length direction is followed to the intermediate position of second backup pad 5 has the strengthening rib, the intermediate position of bolt and first connecting arm 7 is passed through to the one end of first backup pad 1 is connected, the intermediate position of bolt and second connecting arm 8 is passed through to the one end of second backup pad 5 is connected, be connected with first bolt 10 and second bolt 12 between the other end of first backup pad 1 and the other end of second backup pad 5, be connected with first round pin axle 15 and second round pin axle 16 between third connecting plate 13 and the fourth connecting plate 14. The top of first pneumatic cylinder 9 is equipped with first ring, the bottom of first pneumatic cylinder 9 is equipped with the second ring, first ring is located between first backup pad 1 and the second backup pad 5, the second ring is located between third connecting plate 13 and the fourth connecting plate 14, first bolt 10 runs through first ring, first round pin axle 15 runs through the second ring, first round pin axle 15 cooperation flat pad and split pin use, the top of second pneumatic cylinder 11 is equipped with the third ring, the bottom of second pneumatic cylinder 11 is equipped with the fourth ring, the third ring is located between first backup pad 1 and the second backup pad 5, the fourth ring is located between third connecting plate 13 and the fourth connecting plate 14, second bolt 12 runs through the third ring, second round pin axle 16 runs through the fourth ring, second round pin axle 16 cooperation flat pad and split pin use.

The other ends of the first connecting arm 7 and the second connecting arm 8 are connected with a cross beam 24, the cutting device comprises a rotary drum connected below the cross beam 24 and arranged along the vertical direction, an upper cutter head connected with the bottom of the rotary drum and arranged along the horizontal direction, a main shaft penetrating through the rotary drum and penetrating through the central position of the upper cutter head, a cutting knife 21 positioned at the edge position of the lower surface of the upper cutter head, and a lower cutter head connected with the bottom of the main shaft, the periphery of the rotary drum is wrapped with a header shell for protecting the rotary drum, the height of the cutting device is 590mm, the cutting device comprises a first cutting device positioned at the rear side and a second cutting device positioned at the front side, a shield 3 is arranged on the first cutting device and the second cutting device, the first cutting device comprises a first rotary drum 25, a first main shaft 23, a first upper cutter head 17, a first lower cutter head 18 and three cutting knives 21 uniformly distributed at the edge position of the lower surface of the first, the periphery of the first rotary drum 25 is wrapped with a first header shell 4 for protecting the first rotary drum 25 in a wrapping manner, a cutting knife 21 is connected with a first upper cutter head 17 through bolts, matched mounting holes are formed in the first upper cutter head 17 and the cutting knife 21, the bolts penetrate through the mounting holes to enable the cutting knife 21 to be movably connected with the first upper cutter head 17, the cutting knife 21 rotates by taking the bolts as an axis, the second cutting device comprises a second rotary drum 28, a second main shaft 27, a second upper cutter head 19, a second lower cutter head 20 and three cutting knives 21 which are uniformly distributed at the edge position of the lower surface of the second upper cutter head 19, the periphery of the second rotary drum 28 is wrapped with a second header shell 26 for protecting the second rotary drum 28 in a wrapping manner, the cutting knife 21 is connected with the second upper cutter head 19 through bolts, matched mounting holes are formed in the second upper cutter head 19 and the cutting knife 21, and the bolts penetrate through the mounting holes to enable the cutting knife 21 to be movably connected with the second upper, the cutter 21 rotates around the bolt.

During the use, according to the thickness on the lawn that the user wants to prune, adjust hoisting device, first pneumatic cylinder 9 and second pneumatic cylinder 11 function simultaneously, drive first backup pad 1 and the motion of second backup pad 5, drive the motion of first linking arm 7 and second linking arm 8, drive the motion of crossbeam 24, thereby drive hoisting device and do the motion in vertical direction, change the height of cutting knife 21 apart from ground, then open the function of mowing, first rotary drum 25 and second rotary drum 28 are all rotatory, it is rotatory to drive first last blade disc 17 and the second last blade disc 19, cutting knife 21 can freely rotate around the bolt, cut the pruning to the grass.

Example 2

This example differs from example 1 only in that: the height of the cutting device was 560 mm.

Example 3

This example differs from example 1 only in that: the height of the cutting device was 620 mm.

The utility model has simple structure and convenient use, the cutting device is positioned in front of the vehicle head, no dead angle exists in cutting, the user is not required to carry out secondary trimming, and time and labor are saved; the lifting device is arranged, the height of the cutting knife can be freely adjusted, the lawn with the corresponding thickness can be cut according to the will of a user, and the lifting performance is reliable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a rotatory lawn mower, includes the automobile body, the right side of automobile body is equipped with frame, its characterized in that: the frame is provided with a lifting device for changing the cutting height, the lifting device is provided with a cutting device for mowing, and the lifting device comprises a first connecting plate positioned at the rear side of the upper surface of the frame, a second connecting plate positioned at the front side of the upper surface of the frame, a first connecting arm connected with the first connecting plate, a second connecting arm connected with the second connecting plate, a first supporting plate connected with the middle position of the first connecting arm, a second supporting plate connected with the middle position of the second connecting arm, a third connecting plate positioned at the rear side of the middle position of the right side surface of the frame, a fourth connecting plate positioned at the front side of the middle position of the right side surface of the frame, a first hydraulic cylinder connected with the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate, and a first hydraulic cylinder connected with the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate, Second pneumatic cylinder that third connecting plate and fourth connecting plate are connected, the other end of first connecting arm and second connecting arm is equipped with the crossbeam, cutting device is including being located the rotary drum that sets up along vertical direction of crossbeam below, with the last blade disc that the bottom of rotary drum was connected and was set up along the horizontal direction, runs through the rotary drum just runs through go up the main shaft of the central point of blade disc, be located go up the cutting knife of the lower surface border position of blade disc, with the lower blade disc that the bottom of main shaft is connected.

2. A rotary lawnmower as claimed in claim 1, wherein: two or more cutting devices are arranged.

3. A rotary lawnmower as claimed in claim 1, wherein: the number of the cutters is not less than three.

4. A rotary lawnmower as claimed in claim 1, wherein: the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate are welded with the frame.

5. A rotary lawnmower as claimed in claim 1, wherein: the intermediate position of first backup pad is equipped with the strengthening rib along length direction, the intermediate position of second backup pad is equipped with the strengthening rib along length direction, the one end of first backup pad pass through the bolt with the intermediate position of first linking arm is connected, the one end of second backup pad pass through the bolt with the intermediate position of second linking arm is connected, the other end of first backup pad with be equipped with first bolt and second bolt between the other end of second backup pad, be equipped with first round pin axle and second round pin axle between third connecting plate and the fourth connecting plate.

6. A rotary lawnmower according to claim 5, wherein: the top of first pneumatic cylinder is equipped with first ring, the bottom of first pneumatic cylinder is equipped with the second ring, first ring is located between first backup pad and the second backup pad, the second ring is located between third connecting plate and the fourth connecting plate, first bolt runs through first ring, first round pin axle runs through the second ring, the top of second pneumatic cylinder is equipped with the third ring, the bottom of second pneumatic cylinder is equipped with the fourth ring, the third ring is located between first backup pad and the second backup pad, the fourth ring is located between third connecting plate and the fourth connecting plate, the second bolt runs through the third ring, the second round pin axle runs through the fourth ring.

7. A rotary lawnmower as claimed in claim 1, wherein: the height of the cutting device is 560-620 mm.