CN114788452B

CN114788452B - Agricultural automatic all-terrain weeding device

Info

Publication number: CN114788452B
Application number: CN202210630717.9A
Authority: CN
Inventors: 姚智华; 李绍玲; 张春燕
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-05-12
Anticipated expiration: 2042-06-06
Also published as: CN114788452A

Abstract

The invention relates to the technical field of mowers, in particular to an agricultural automatic all-terrain weeding device which comprises a frame, a tractor, a weeding mechanism, a reverse driving mechanism and an adjusting mechanism, wherein the weeding mechanism comprises a first sprocket, a second sprocket, a third sprocket, a fourth sprocket, a first roller chain, a second roller chain, a first tensioning sprocket and a second tensioning sprocket, the first sprocket, the second sprocket, the third sprocket, the fourth sprocket, the first roller chain and the second roller chain are horizontally rotated and arranged in the frame, the first roller chain and the second roller chain are respectively provided with a first cutting edge and a second cutting edge which are staggered when being rotated, the reverse driving mechanism is arranged on the frame, the adjusting mechanism is arranged at the bottom of the frame at equal intervals, and the adjusting mechanism is provided with an adjusting part.

Description

Agricultural automatic all-terrain weeding device

Technical Field

The invention relates to the technical field of mowers, in particular to an agricultural automatic all-terrain weeding device.

Background

At present, most farms are provided with corresponding lands for planting related pasture, because feeding amount of poultry such as cattle and sheep is large in one day, harvesting operation in each day is often heavy, a small farm with 100 cattle as an example is required to be provided with about 20 persons for a single mower, labor intensity is high, labor cost of cultivation is high, pasture is planted in field fields, overall local topography is complex, fluctuation is different, manure discharged by cattle and sheep is directly applied to pasture fields as fertilizer of pasture, local accumulation situation is further aggravated, and a mower with a traditional structure is obviously difficult to adapt to the complex and changeable topography.

Chinese patent CN201510411654.8 discloses an all-terrain mower comprising a frame bar (1), a transmission case (5) mounted in the middle of the frame bar (1), and a plurality of all-terrain mowing devices and linkage devices corresponding to the all-terrain mowing devices, wherein the all-terrain mowing devices are equidistantly arranged on the frame bar (1); all-terrain mowing device contain and offer the hole on frame pole (1), be provided with in this hole rather than axial clearance sliding fit's gear post (2), one side of gear post (2) be provided with rather than meshing complex gear (3), its upper end is connected soon and is fixed with retaining ring (4), its lower extreme is installed rather than concentric mower (16), gear (3) pass through gear shaft (6) fixed mounting on frame pole (1). The invention has simple structure, greatly improves the overall flexibility, simultaneously can ensure that the height of the remained stubble is always kept at the preset height, greatly improves the regeneration capability of pasture and has very small reseeding probability.

The mower is adaptive to the terrain through the mowing disc, and the mowing disc is low in cutting efficiency.

Disclosure of Invention

Based on this, it is necessary to provide an agricultural automated all-terrain weeding device against the prior art problems.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

the utility model provides an agricultural automation all-terrain weeding device, including the frame and be used for the tractor that the traction frame removed, still include weeding mechanism, reverse drive mechanism and adjustment mechanism, weeding mechanism includes first sprocket, the second sprocket, the third sprocket, the fourth sprocket, first roller chain, second roller chain, first tensioning sprocket and second tensioning sprocket, first sprocket, the second sprocket, the third sprocket, the fourth sprocket, first roller chain and second roller chain horizontal rotation's setting are in the frame, first sprocket is coaxial with the third sprocket, second sprocket and fourth sprocket are coaxial, first roller chain cover is established on first sprocket, second sprocket and first tensioning sprocket, second roller chain cover is established on third sprocket, fourth sprocket and second tensioning sprocket, first roller chain and second roller chain counter-rotate, first roller chain and second roller chain have along the weeding section of horizontal direction, first roller chain and second roller chain are last to be equipped with crisscross first shear edge and the second shear edge when rotating respectively, first tensioning chain is used for tensioning first sprocket, second sprocket is used for tensioning first sprocket and first tensioning mechanism, second sprocket and second sprocket are used for adjusting mechanism to have the first roller chain and the bottom adjustment mechanism to stretch out the first sprocket, the first roller chain is close to the ground to the bottom of the adjustment mechanism, the adjustment mechanism is arranged along the horizontal direction of rotation of the bottom of the first sprocket, the adjustment mechanism is close to the bottom the adjustment mechanism, the first sprocket is connected with the first sprocket, the adjustment mechanism is connected with the first roller chain, the bottom is provided with the adjustment mechanism.

Preferably, the weeding mechanism further comprises a first gas spring, a second gas spring, a first connecting rod, a second connecting rod and a first driven shaft, wherein the first driven shaft is arranged in the rack in a sliding manner along the vertical direction, the first tensioning chain wheel and the second tensioning chain wheel are coaxially and rotatably arranged on the first driven shaft, the first gas spring and the second gas spring are arranged at the bottoms of the first tensioning chain wheel and the second tensioning chain wheel along the horizontal direction, the second gas spring and the second gas spring extend along the axial direction perpendicular to the second connecting rod, one side of the first gas spring and one side of the second gas spring are respectively provided with a first straight rod and a second straight rod which extend along the axial direction of the first straight rod, one end of the first straight rod is fixedly connected with an output shaft of the first gas spring, one end of the second straight rod is fixedly connected with an output shaft of the second gas spring, and two ends of the first connecting rod are respectively rotatably connected with the other end of the first straight rod and one end of the first driven shaft; the two ends of the second connecting rod are respectively connected with the other end of the second straight rod and the other end of the first driven shaft in a rotating way.

Preferably, the weeding mechanism further comprises guide rails and fixed blocks, the guide rails are arranged on two sides in the frame along the vertical direction, the fixed blocks are arranged on the guide rails in a sliding mode along the vertical direction, two ends of the first driven shaft are respectively connected with the guide rails on two sides in a rotating mode, and one ends of the first connecting rod and one ends of the second connecting rod are respectively connected with the fixed blocks on two sides in a rotating mode.

Preferably, the guide rail is provided with a limiting pin extending along the horizontal direction, and the limiting pin is positioned at the top of the guide rail.

Preferably, the reverse driving mechanism comprises a driving shaft, a rotating cylinder, a first gear, a second gear, a third gear and a fourth gear, wherein the driving shaft rotates on two sides in the frame, the rotating cylinder coaxially rotates on the circumferential surface of the driving shaft, the first sprocket and the second sprocket are coaxially fixedly arranged on the driving shaft on two sides, the third sprocket and the fourth sprocket are coaxially fixedly arranged on the rotating cylinder on two sides, the first gear is coaxially arranged on the driving shaft, the second gear is coaxially arranged on the rotating cylinder, the third gear and the fourth gear are rotatably arranged in the frame, the third gear is meshed with the second gear, the fourth gear is meshed with the third gear and the first gear, the servo motor is arranged outside the frame, and an output shaft of the servo motor is coaxially and fixedly connected with the fourth gear.

Preferably, the adjusting mechanism further comprises a pressing plate, a fixing rod and an adjusting plate, wherein the pressing plate is arranged at the bottom of the weeding section of the second gear and the bottom of the weeding section of the third gear at equal intervals, the fixing rod is arranged at the top of the pressing plate along the vertical direction, and the top end of the fixing rod penetrates through the rack along the vertical direction and is in sliding fit with the rack; the adjusting plate is arranged on the fixed rod and is provided with a first supporting column extending along the horizontal direction, the first supporting column is in sliding fit with the bottom end of the weeding section of the second roller chain, a first longitudinal plate extending along the vertical direction is arranged on the first supporting column, the bottom end of the first longitudinal plate is provided with a transverse plate extending along the horizontal direction, and the transverse plate is in sliding fit with the top ends of the weeding sections of the first roller chain and the second roller chain; the bottom of diaphragm is provided with the second longitudinal plate that extends along vertical direction, and the second longitudinal plate is located between first roller chain and the second roller chain, still is provided with the second support post that extends along the horizontal direction on the second longitudinal plate, and the second holds in the palm the bottom sliding fit of post and the weeding section of first roller chain.

Preferably, the bottom end of the pressing plate is provided with a universal wheel.

Preferably, the adjusting mechanism further comprises a first nut and a second nut, the adjusting plate is slidably arranged on the fixing rod, the first nut and the second nut are coaxially screwed on the fixing rod, and the first nut and the second nut are respectively abutted to the top end and the bottom end of the adjusting plate.

Preferably, the top end of the fixing rod is provided with a weight sleeve coaxial with the fixing rod, and the weight sleeve is positioned in the frame.

Preferably, the two sides of the frame are provided with rotating rods which rotate with the frame, the rotating rods extend obliquely downwards and are provided with wheels, and two ends of the third gas spring are respectively connected with the frame and the rotating rods in a rotating mode.

Compared with the prior art, the beneficial effects of this application are:

1. the first roller chain and the second roller chain are reversely rotated, so that the first cutting edge and the second cutting edge mounted on the first roller chain and the second cutting edge can cut grass in a staggered mode, the height of the part of the weeding section of the first roller chain and the part of the weeding section of the second roller chain can be adjusted through the adjusting mechanism, and the part of the first roller chain and the part of the weeding section of the second roller chain can keep the same height with the ground to cut grass;

2. the first driven shaft extending along the horizontal direction is arranged in the frame in a sliding mode along the vertical direction, so that the first tensioning chain wheel and the second tensioning chain wheel can respectively tighten the first roller chain and the second roller chain, and the first roller chain and the second roller chain are prevented from being separated from the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel;

3. according to the sliding mechanism, the guide rail extending along the vertical direction is arranged in the frame, so that one ends of the first connecting rod and the second connecting rod are respectively connected with the fixed blocks on the two sides in a rotating mode, and the first driven shaft can stably slide in the frame;

4. according to the guide rail fixing device, the limiting pin extending along the horizontal direction is arranged on the guide rail, and is located at the top of the fixing block, so that the fixing block can be prevented from being separated from the guide rail under the action of elastic force, and the whole structure is more stable;

5. according to the driving shaft, the rotating cylinder, the first gear, the second gear, the third gear and the fourth gear can respectively drive the first sprocket and the third sprocket to coaxially and reversely rotate;

6. according to the weeding machine, the pressing plate slides on the ground, meanwhile, the pressing plate is in sliding fit with the frame through the fixing rod, and the adjusting plate which can be abutted to the upper surface and the lower surface of the weeding section is arranged on the fixing rod, so that the local height of the mowing section can be adjusted to adapt to different terrains;

7. according to the device, the universal wheels are arranged at the bottom end of the pressing plate, so that plane friction is converted into rolling friction, and the friction force between the pressing plate and the ground is reduced, so that the pressing plate can stably ascend or descend;

8. according to the adjusting plate, the adjusting plate is arranged on the fixed rod in a sliding mode, the first nut and the second nut are coaxially screwed on the fixed rod, and the height of the adjusting plate on the fixed rod is adjusted by screwing the first nut and the second nut, so that the height adjustment of the first shearing blade and the second roller chain is sequentially achieved;

9. this application sets up rather than coaxial heavy object cover through the top at the dead lever for dead lever self weight can guide the regulating plate and exert pressure the weeding section downwards, makes first roller chain and second roller chain can overcome elasticity and take place deformation simultaneously can prevent that the dead lever from breaking away from in the frame.

Drawings

FIG. 1 is a perspective view of a weeding apparatus of the present application;

FIG. 2 is a front view of the weeding apparatus of the present application;

FIG. 3 is a schematic view of the internal structure of the frame of the present application;

FIG. 4 is a perspective view of a first roller chain and a second roller chain of the present application;

FIG. 5 is a perspective view of a first idler sprocket and a second idler sprocket of the present application;

FIG. 6 is a top view of the back drive mechanism of the present application;

FIG. 7 is a perspective view of the adjustment mechanism of the present application at a first view angle;

FIG. 8 is a perspective view of the adjustment mechanism of the present application at a second view angle;

fig. 9 is a side view of the adjustment mechanism of the present application.

The reference numerals in the figures are:

1-a frame; 1 a-a rotating rod; 1 b-wheels; 1 c-a third gas spring; 2 a-a first sprocket; 2 b-a second sprocket; 2 c-a third sprocket; 2 d-fourth sprocket; 2 e-a first roller chain; 2e 1-a first cutting edge; 2 f-a second roller chain; 2f 1-a second cutting edge; 2 g-first tensioning sprocket; 2 h-a second tensioning sprocket; 2 i-a first gas spring; 2i 1-a first straight rod; 2 j-a second gas spring; 2j 1-a second straight rod; 2 k-a first link; 2 m-a second link; 2 n-a first driven shaft; 2 o-guide rail; 2o 1-limit pins; 2 p-fixed block; 3-a reverse drive mechanism; 3 a-a driving shaft; 3 c-rotating the cylinder; 3 d-a first gear; 3 e-a second gear; 3 f-a third gear; 3 g-fourth gear; 3 h-a servo motor; 4-an adjusting mechanism; 4 a-an adjusting part; 4 b-a pressing plate; 4b 1-universal wheels; 4 c-a fixed rod; 4c 1-weight sleeve; 4 d-adjusting plate; 4d 1-a first post; 4d 2-a first longitudinal plate; 4d 3-cross plate; 4d 4-second longitudinal plate; 4d 5-second post; 4 e-a first nut; 4 f-a second nut.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

As shown in fig. 1-9, the present application provides:

the utility model provides an automatic all-terrain weeding device of agricultural, including frame 1 and be used for pulling the tractor that frame 1 removed, still include weeding mechanism, reverse drive mechanism 3 and adjustment mechanism 4, weeding mechanism includes first sprocket 2a, second sprocket 2b, third sprocket 2c, fourth sprocket 2d, first roller chain 2e, second roller chain 2f, first tensioning sprocket 2g and second tensioning sprocket 2h, first sprocket 2a, second sprocket 2b, third sprocket 2c, fourth sprocket 2d, first roller chain 2e and the horizontal pivoted setting of second roller chain 2f are in frame 1, first sprocket 2a is coaxial with third sprocket 2c, second sprocket 2b and fourth sprocket 2d are coaxial, first roller chain 2e cover is established on first sprocket 2a, second sprocket 2b and first tensioning sprocket 2g, second roller chain 2f cover is established on third sprocket 2c, fourth sprocket 2d and second tensioning sprocket 2h, first roller chain 2e and second roller chain 2f have the first roller chain 2f to be equipped with the first roller chain 2f and the horizontal adjustment mechanism of the first roller chain 2f and the bottom of the first roller chain 2f adjustment mechanism is equipped with the first roller chain 2f and the horizontal joint of first sprocket 2f and the second roller chain 2f is equipped with the first roller chain 2f adjustment mechanism 4 along the horizontal joint of the first sprocket 1 f and the vertical section of the adjustment mechanism 4, the bottom of the first sprocket 2f adjustment mechanism is equipped with the first roller chain 2f and the second roller chain 2f is coaxial with the second roller chain 2f adjustment mechanism 1, the second roller chain 2f is used for the horizontal blade 1, the bottom blade 1 is used for the first blade 2E is cut down the first blade and the second blade 2E is used to be used to cut down along the first blade 2E is cut down 2E.

Based on the above embodiments, the technical problem to be solved by the present application is how to adapt to the ground for weeding. To this end, the present application mows by rotating the first roller chain 2e and the second roller chain 2f in opposite directions so that the first blade 2e1 and the second blade 2f1 mounted thereon can cut grass alternately, and by adjusting the height of the sections of the first roller chain 2e and the second roller chain 2f to be weeding by adjusting the mechanism 4 so that the sections of the first roller chain 2e and the second roller chain 2f can maintain the same height as the ground;

specifically, the tractor drives the frame 1 to move on the ground, the reverse driving mechanism 3 is started to drive the first sprocket 2a and the third sprocket 2c to coaxially and reversely rotate, and then the first roller chain 2e and the second roller chain 2f sleeved on the first sprocket 2a, the second sprocket 2b and the first tensioning sprocket 2g and the third sprocket 2c, the fourth sprocket 2d and the second tensioning sprocket 2h are synchronously and reversely rotated, so that the first shear blade 2e1 and the second shear blade 2f1 are staggered, the first shear blade 2e1 and the second shear blade 2f1 which are staggered can quickly weed in the walking process of the tractor, and the bottom surface of the adjusting mechanism 4 is abutted against the ground, the adjusting part 4a is abutted against the upper surface and the lower surface of the first roller chain 2e and the second roller chain 2f,

when the adjusting mechanism 4 encounters a protruding ground, namely the bottom end of the adjusting mechanism 4 is lifted, the adjusting part 4a can relatively lift the weeding sections of the first roller chain 2e and the second roller chain 2f to bend upwards, so that a certain distance between all the first shearing edge 2e1 and the second shearing edge 2f1 and the ground can be ensured, and the first tensioning chain wheel 2g and the second tensioning chain wheel 2h can always keep the first roller chain 2e and the second roller chain 2f in a tensioned state, so that the first chain wheel 2a and the third chain wheel 2c can drive the first roller chain 2e and the second roller chain 2f to synchronously and reversely rotate stably;

when the adjusting mechanism 4 encounters the recessed ground, the bottom end thereof is lowered due to the self weight of the adjusting mechanism 4, and the adjusting portion 4a can press down the weeding sections of the first roller chain 2e and the second roller chain 2f, so that the weeding sections are locally bent in opposite directions, thereby ensuring that all the first shearing blades 2e1 and the second shearing blades 2f1 can be kept at a certain distance from the ground, and thus weeding is stabilized.

As shown in fig. 5, further:

the weeding mechanism further comprises a first gas spring 2i, a second gas spring 2j, a first connecting rod 2k, a second connecting rod 2m and a first driven shaft 2n, wherein the first driven shaft 2n is arranged in the frame 1 in a sliding manner along the vertical direction, the first tensioning chain wheel 2g and the second tensioning chain wheel 2h are coaxially and rotatably arranged on the first driven shaft 2n, the first gas spring 2i and the second gas spring 2j are arranged at the bottoms of the first tensioning chain wheel 2g and the second tensioning chain wheel 2h along the horizontal direction, the second gas spring 2j and the second gas spring 2j extend along the axial direction perpendicular to the second connecting rod 2m, one side of the first gas spring 2i and one side of the second gas spring 2j are respectively provided with a first straight rod 2i1 and a second straight rod 2j1 extending along the axial direction, one end of the first straight rod 2i1 is fixedly connected with an output shaft of the first gas spring 2i, one end of the second straight rod 2j1 is fixedly connected with an output shaft of the second gas spring 2j, and two ends of the first connecting rod 2k are respectively rotatably connected with the other end of the first straight rod 2i1 and one end of the first driven shaft 2 n; the two ends of the second connecting rod 2m are respectively connected with the other end of the second straight rod 2j1 and the other end of the first driven shaft 2n in a rotating way.

Based on the above-described embodiment, the technical problem to be solved by the present application is how the first tensioning sprocket 2g and the second tensioning sprocket 2h tighten the first roller chain 2e and the second roller chain 2f, respectively. For this reason, this application is through setting up the first driven shaft 2n that extends along the horizontal direction in vertical direction slip setting in frame 1 to rotate first tensioning sprocket 2g and second tensioning sprocket 2h and set up on first driven shaft 2n, and first straight-bar 2i1 is connected with the one end rotation of first driven shaft 2n through first connecting rod 2k, second straight-bar 2j1 is connected with the other end rotation of first driven shaft 2n through second connecting rod 2m, when first roller chain 2e cover is established on first sprocket 2a, second sprocket 2b and first tensioning sprocket 2g, and second roller chain 2f cover is established on third sprocket 2c, fourth sprocket 2d and second tensioning sprocket 2h, first gas spring 2i and second gas spring 2j can with its elasticity be conducted to first driven shaft 2n through the connecting rod effect respectively for first tensioning sprocket 2g and second tensioning sprocket 2h can tighten first roller chain 2e and second roller chain 2f respectively, in order to prevent first roller chain 2e and second roller chain 2f from breaking away from first sprocket 2c, fourth sprocket 2d and second sprocket 2d.

As shown in fig. 5, further:

the weeding mechanism further comprises guide rails 2o and fixed blocks 2p, the guide rails 2o are arranged on two sides in the frame 1 in the vertical direction, the fixed blocks 2p are arranged on the guide rails 2o in the vertical direction in a sliding mode, two ends of the first driven shaft 2n are respectively connected with the guide rails 2o on two sides in a rotating mode, and one ends of the first connecting rod 2k and one ends of the second connecting rod 2m are respectively connected with the fixed blocks 2p on two sides in a rotating mode.

Based on the above embodiment, the technical problem to be solved by the present application is how to stably lift the first driven shaft 2n in the frame 1. To this end, this application is through setting up the guide rail 2o that extends along vertical direction in frame 1 to make fixed block 2p slide along vertical direction and set up on guide rail 2o, make the both ends of first driven shaft 2n can rotate with guide rail 2o to be connected, and then be convenient for first connecting rod 2k and second connecting rod 2 m's one end rotate with the fixed block 2p of both sides respectively to be connected, thereby make first driven shaft 2n can stably slide in frame 1.

As shown in fig. 5, further:

the guide rail 2o is provided with a limiting pin 2o1 extending along the horizontal direction, and the limiting pin 2o1 is positioned at the top of the guide rail 2o.

Based on the above-described embodiment, the technical problem to be solved by the present application is how to avoid the fixed block 2p from being separated from the guide rail 2o in the vertical direction. For this reason, this application is through setting up along the spacer pin 2o1 that the horizontal direction extends on guide rail 2o to make spacer pin 2o1 be located fixed block 2 p's top, and then can avoid fixed block 2p to break away from guide rail 2o under the elasticity effect, make overall structure more stable.

As shown in fig. 6, further:

the reverse driving mechanism 3 comprises a driving shaft 3a, a rotating cylinder 3c, a first gear 3d, a second gear 3e, a third gear 3f and a fourth gear 3g, wherein the driving shaft 3a is rotatably arranged on two sides in the frame 1, the rotating cylinder 3c is coaxially rotatably arranged on the circumferential surface of the driving shaft 3a, the first sprocket 2a and the second sprocket 2b are coaxially fixedly arranged on the driving shaft 3a on two sides, the third sprocket 2c and the fourth sprocket 2d are coaxially fixedly arranged on the rotating cylinder 3c on two sides, the first gear 3d is coaxially arranged on the driving shaft 3a, the second gear 3e is coaxially arranged on the rotating cylinder 3c, the third gear 3f and the fourth gear 3g are rotatably arranged in the frame 1, the third gear 3f is meshed with the second gear 3e, the fourth gear 3g is meshed with the third gear 3f and the first gear 3d, the servo motor 3h is arranged outside the frame 1, and the output shaft of the servo motor 3h is coaxially fixedly connected with the fourth gear 3 g.

Based on the above embodiment, the technical problem to be solved by the present application is how the back driving mechanism 3 can drive the first sprocket 2a and the third sprocket 2c to coaxially rotate in opposite directions. For this purpose, the first sprocket 2a and the third sprocket 2c can be driven to coaxially and reversely rotate by the driving shaft 3a and the rotating cylinder 3c, and the first gear 3d, the second gear 3e, the third gear 3f and the fourth gear 3g, respectively;

specifically, when the first roller chain 2e and the second roller chain 2f need to be reversely rotated, the servo motor 3h is started so that the output shaft thereof can drive the fourth gear 3g to coaxially rotate, the fourth gear 3g is meshed with the third gear 3f and the first gear 3d so that the third gear 3f and the first gear 3d coaxially rotate, the third gear 3f is meshed with the second gear 3e so that the third gear 3f and the second gear 3e reversely rotate, that is, the first gear 3d and the second gear 3e reversely rotate, and the first gear 3d and the second gear 3e are respectively arranged on the coaxial driving shaft 3a and the rotating cylinder 3c so that the driving shaft 3a and the rotating cylinder 3c coaxially reversely rotate, and further the first sprocket 2a and the third sprocket 2c and the second sprocket 2b and the fourth sprocket 2d coaxially reversely rotate, so that the first roller chain 2e and the second roller chain 2f can reversely rotate to alternately cut the first blade 2e1 and the second blade 1.

As shown in fig. 7, 8 and 9, further:

the adjusting mechanism 4 further comprises a pressing plate 4b, a fixing rod 4c and an adjusting plate 4d, wherein the pressing plate 4b is arranged at the bottom of the weeding section of the second gear 3e and the third gear 3f at equal intervals, the fixing rod 4c is arranged at the top of the pressing plate 4b along the vertical direction, and the top end of the fixing rod 4c penetrates through the frame 1 along the vertical direction and is in sliding fit with the frame 1; the adjusting plate 4d is arranged on the fixed rod 4c, the adjusting plate 4d is provided with a first supporting column 4d1 extending along the horizontal direction, the first supporting column 4d1 is in sliding fit with the bottom end of the weeding section of the second roller chain 2f, the first supporting column 4d1 is provided with a first longitudinal plate 4d2 extending along the vertical direction, the bottom end of the first longitudinal plate 4d2 is provided with a transverse plate 4d3 extending along the horizontal direction, and the transverse plate 4d3 is in sliding fit with the top ends of the weeding sections of the first roller chain 2e and the second roller chain 2 f; the bottom end of the transverse plate 4d3 is provided with a second vertical plate 4d4 extending along the vertical direction, the second vertical plate 4d4 is located between the first roller chain 2e and the second roller chain 2f, the second vertical plate 4d4 is also provided with a second supporting column 4d5 extending along the horizontal direction, and the second supporting column 4d5 is in sliding fit with the bottom end of the weeding section of the first roller chain 2 e.

Based on the above-described embodiments, the technical problem to be solved by the present application is how the adjustment mechanism 4 adjusts the local heights of the first roller chain 2e and the second roller chain 2f. For this reason, the present application can adjust the local height of the mowing section to different terrains by sliding the pressing plate 4b on the ground, simultaneously sliding fit between the pressing plate 4b and the frame 1 through the fixing rod 4c, and disposing the adjusting plate 4d capable of abutting the upper and lower surfaces of the mowing section on the fixing rod 4 c;

specifically, the first support column 4d1 can lift the bottom surface of the weeding section of the second roller chain 2f in the horizontal direction, the second support column 4d5 can lift the ground of the weeding section of the first roller chain 2e in the horizontal direction, and then when the pressing plate 4b and the fixing rod 4c are lifted in the vertical direction, the first support column 4d1 and the second support column 4d5 can lift the part of the weeding section upward;

and the transverse plate 4d3 is connected with the first supporting column 4d1 and the second supporting column 4d5 through the first longitudinal plate 4d2 and the second longitudinal plate 4d4, and the transverse plate 4d3 extends to the top surface of the weeding section along the horizontal direction, so that the transverse plate 4d3 can press the top surface of the weeding section to deform the weeding section, and the weeding section and the ground always keep a certain height, thereby stably weeding.

As shown in fig. 7, 8 and 9, further:

the bottom end of the pressing plate 4b is provided with a universal wheel 4b1.

Based on the above-described embodiment, the technical problem to be solved by the present application is how to reduce the friction force of the platen 4b and the ground. For this reason, this application is through setting up universal wheel 4b1 in the bottom of clamp plate 4b to turn into rolling friction by plane friction, and then reduce clamp plate 4b and the frictional force on ground, make clamp plate 4b can stably rise or descend.

As shown in fig. 7, 8 and 9, further:

the adjusting mechanism 4 further comprises a first nut 4e and a second nut 4f, the adjusting plate 4d is slidably arranged on the fixed rod 4c, the first nut 4e and the second nut 4f are coaxially screwed on the fixed rod 4c, and the first nut 4e and the second nut 4f are respectively abutted against the top end and the bottom end of the adjusting plate 4 d.

Based on the above embodiments, the technical problem to be solved by the present application is how to adjust the heights of the first and second cutting edges 2e1 and 2f1 from the ground. For this purpose, the present application realizes the height adjustment of the first shearing blade 2e1 and the second roller chain 2f in order by slidably disposing the adjustment plate 4d on the fixed rod 4c and coaxially screwing the first nut 4e and the second nut 4f on the fixed rod 4c, thereby adjusting the height of the adjustment plate 4d on the fixed rod 4c by screwing the first nut 4e and the second nut 4 f.

As shown in fig. 7, 8 and 9, further:

the top end of the fixed rod 4c is provided with a weight sleeve 4c1 coaxial with the fixed rod, and the weight sleeve 4c1 is positioned in the frame 1.

Based on the above embodiment, the technical problem to be solved by the present application is how the fixing rod 4c drives the adjusting plate 4d to stably press the weeding section in the vertical direction. For this reason, this application is through setting up rather than coaxial heavy object cover 4c1 at dead lever 4 c's top for dead lever 4c self weight can guide regulating plate 4d to exert pressure the weeding section downwards, makes first roller chain 2e and second roller chain 2f can overcome elasticity and take place deformation simultaneously can prevent that dead lever 4c from breaking away from frame 1.

As shown in fig. 1, further:

the two sides of the frame 1 are provided with a rotating rod 1a which rotates with the frame, the rotating rod 1a extends obliquely downwards and is provided with wheels 1b, and two ends of a third gas spring 1c are respectively connected with the frame 1 and the rotating rod 1a in a rotating way.

Based on the above-described embodiments, the technical problem to be solved by the present application is how to enable the gantry 1 to walk stably on the ground. For this reason, the present application can make the frame 1 stably move on the ground by the rotating lever 1a, the wheel 1b and the third gas spring 1c, and the third gas spring 1c can reduce the vibration generated by the frame 1 during the movement.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides an agricultural automation all-terrain weeding device, including frame (1) and be used for the tractor that traction frame (1) removed, a serial communication port, still include weeding mechanism, reverse drive mechanism (3) and adjustment mechanism (4), weeding mechanism includes first sprocket (2 a), second sprocket (2 b), third sprocket (2 c), fourth sprocket (2 d), first roller chain (2 e), second roller chain (2 f), first tensioning sprocket (2 g) and second tensioning sprocket (2 h), first sprocket (2 a), second sprocket (2 b), third sprocket (2 c), fourth sprocket (2 d), first roller chain (2 e) and second roller chain (2 f) horizontal rotation's setting is in frame (1), first sprocket (2 a) and third sprocket (2 c) coaxial, second sprocket (2 b) and fourth sprocket (2 d) coaxial, first roller chain (2 e) are established on first sprocket (2 a), second sprocket (2 b) and first tensioning sprocket (2 g) and second sprocket (2 f) horizontal rotation, roller chain (2 e) are established on first sprocket (2 f) and second sprocket (2 f) horizontal rotation, the first roller chain (2 e) and the second roller chain (2 f) are respectively provided with a first shearing blade (2 e 1) and a second shearing blade (2 f 1) which are used for staggered mowing when rotating, a first tensioning chain wheel (2 g) is used for tensioning the first roller chain (2 e), a second tensioning chain wheel (2 h) is used for tensioning the second roller chain (2 f), a reverse driving mechanism (3) is arranged on the frame (1) and used for driving the first chain wheel (2 a) and the third chain wheel (2 c) to reversely rotate, an adjusting mechanism (4) is arranged at the bottom of the frame (1) at equal intervals along the horizontal direction, the adjusting mechanism (4) is in sliding fit with the frame (1) along the vertical direction, the adjusting mechanism (4) is provided with an adjusting part (4 a) which is abutted with the upper and lower surfaces of weeding sections of the first roller chain (2 e) and the second roller chain (2 f), and the bottom end of the adjusting mechanism (4) is abutted against the ground;

the weeding mechanism further comprises a first gas spring (2 i), a second gas spring (2 j), a first connecting rod (2 k), a second connecting rod (2 m) and a first driven shaft (2 n), wherein the first driven shaft (2 n) is arranged in the frame (1) in a sliding manner along the vertical direction, the first tensioning sprocket (2 g) and the second tensioning sprocket (2 h) are coaxially and rotatably arranged on the first driven shaft (2 n), the first gas spring (2 i) and the second gas spring (2 j) are arranged at the bottoms of the first tensioning sprocket (2 g) and the second tensioning sprocket (2 h) along the horizontal direction, the second gas spring (2 j) and the second gas spring (2 j) extend along the axial direction perpendicular to the second connecting rod (2 m), one side of the first gas spring (2 i) and one side of the second gas spring (2 j) are respectively provided with a first straight rod (2 i 1) and a second straight rod (2 j 1) which extend along the axial direction, one end of the first straight rod (2 i 1) is fixedly connected with an output shaft of the first spring (2 i), and the other end (2 j) of the first straight rod (2 j) is fixedly connected with the other end (2 j) of the first straight rod (2 j); two ends of the second connecting rod (2 m) are respectively connected with the other end of the second straight rod (2 j 1) and the other end of the first driven shaft (2 n) in a rotating way;

the weeding mechanism further comprises a guide rail (2 o) and fixed blocks (2 p), wherein the guide rail (2 o) is arranged on two sides in the frame (1) along the vertical direction, the fixed blocks (2 p) are arranged on the guide rail (2 o) along the vertical direction in a sliding manner, two ends of a first driven shaft (2 n) are respectively and rotatably connected with the guide rails (2 o) on two sides, and one ends of a first connecting rod (2 k) and a second connecting rod (2 m) are respectively and rotatably connected with the fixed blocks (2 p) on two sides;

the adjusting mechanism (4) further comprises a pressing plate (4 b), a fixing rod (4 c) and an adjusting plate (4 d), wherein the pressing plate (4 b) is arranged at the bottom of the weeding section of the second gear (3 e) and the bottom of the weeding section of the third gear (3 f) at equal intervals, the fixing rod (4 c) is arranged at the top of the pressing plate (4 b) along the vertical direction, and the top end of the fixing rod (4 c) penetrates through the frame (1) along the vertical direction and is in sliding fit with the frame; the adjusting plate (4 d) is arranged on the fixed rod (4 c), the adjusting plate (4 d) is provided with a first supporting column (4 d 1) extending along the horizontal direction, the first supporting column (4 d 1) is in sliding fit with the bottom end of the weeding section of the second roller chain (2 f), the first supporting column (4 d 1) is provided with a first longitudinal plate (4 d 2) extending along the vertical direction, the bottom end of the first longitudinal plate (4 d 2) is provided with a transverse plate (4 d 3) extending along the horizontal direction, and the transverse plate (4 d 3) is in sliding fit with the top ends of the weeding sections of the first roller chain (2 e) and the second roller chain (2 f); the bottom end of the transverse plate (4 d 3) is provided with a second longitudinal plate (4 d 4) extending along the vertical direction, the second longitudinal plate (4 d 4) is positioned between the first roller chain (2 e) and the second roller chain (2 f), the second longitudinal plate (4 d 4) is also provided with a second support column (4 d 5) extending along the horizontal direction, and the second support column (4 d 5) is in sliding fit with the bottom end of the weeding section of the first roller chain (2 e); the bottom end of the pressing plate (4 b) is provided with a universal wheel (4 b 1); the top end of the fixed rod (4 c) is provided with a weight sleeve (4 c 1) coaxial with the fixed rod, and the weight sleeve (4 c 1) is positioned in the frame (1).

2. An agricultural automation all-terrain weeding device according to claim 1, characterized in that the guide rail (2 o) is provided with a limiting pin (2 o 1) extending in the horizontal direction, and the limiting pin (2 o 1) is located at the top of the guide rail (2 o).

3. The agricultural automatic all-terrain weeding device according to claim 1, wherein the reverse driving mechanism (3) comprises a driving shaft (3 a), a rotating cylinder (3 c), a first gear (3 d), a second gear (3 e), a third gear (3 f) and a fourth gear (3 g), the driving shaft (3 a) is rotationally arranged on two sides in the frame (1), the rotating cylinder (3 c) is coaxially rotationally arranged on the circumferential surface of the driving shaft (3 a), the first sprocket (2 a) and the second sprocket (2 b) are coaxially fixed on the driving shaft (3 a) on two sides, the third sprocket (2 c) and the fourth sprocket (2 d) are coaxially fixed on the rotating cylinder (3 c) on two sides, the first gear (3 d) is coaxially arranged on the driving shaft (3 a), the second gear (3 e) is coaxially arranged on the rotating cylinder (3 c), the third gear (3 f) and the fourth gear (3 g) are rotationally arranged in the frame (1), the third gear (3 f) is coaxially meshed with the fourth gear (3 e) and the fourth gear (3 h) are coaxially arranged on the frame (3 h).

4. An agricultural automation all-terrain weeding device according to claim 1, characterized in that the adjusting mechanism (4) further comprises a first nut (4 e) and a second nut (4 f), the adjusting plate (4 d) is slidably arranged on the fixed rod (4 c), the first nut (4 e) and the second nut (4 f) are coaxially screwed on the fixed rod (4 c), and the first nut (4 e) and the second nut (4 f) are respectively abutted against the top end and the bottom end of the adjusting plate (4 d).

5. An agricultural automatic all-terrain weeding device according to claim 1, wherein the two sides of the frame (1) are provided with rotating rods (1 a) which rotate with the frame, the rotating rods (1 a) extend obliquely downwards and are provided with wheels (1 b), and the two ends of the third gas spring (1 c) are respectively connected with the frame (1) and the rotating rods (1 a) in a rotating mode.