CN112471105A

CN112471105A - Self-propelled high-stem crop sprayer

Info

Publication number: CN112471105A
Application number: CN202011322727.3A
Authority: CN
Inventors: 黄启武; 陈日晓; 陈日能; 黄文海; 李彩迎; 温守伟
Original assignee: NANNING WUTUO MACHINERY CO Ltd
Current assignee: NANNING WUTUO MACHINERY CO Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of agricultural mechanical equipment, and relates to a self-propelled high-stalk crop sprayer, which comprises: the chassis is rotatably arranged on the front end of the frame through a traction frame; the rear wheels are arranged at the rear end of the rack, the front wheels are arranged on the chassis, and the wheels simultaneously support the whole rack; the two rear wheels are connected through a wheel shaft and provided with a rear wheel lifting mechanism and a rear wheel track adjusting mechanism; the spraying device is arranged at the rear end of the rack and comprises a medicine box, a spraying pump and a spraying mechanism which are arranged on the rack, and the medicine box, the spraying pump and the spraying mechanism are sequentially connected through a pipeline; a chassis bracket mounted on the chassis; and the engine is mounted on the chassis bracket, and the power of the engine is finally transmitted to the front wheels through the chassis belt pulley so as to drive the front wheels. The invention can flexibly adjust the line spacing and the height of the sprayer and is suitable for southern hilly and mountainous areas and medium and small plots.

Description

Self-propelled high-stem crop sprayer

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to a self-propelled high-stem crop sprayer.

Background

The sprayer is a machine for dispersing liquid into fog, is an indispensable agricultural apparatus in the modern agricultural management process, is commonly used for spraying pesticides or liquid fertilizers, and in southern areas, because mountainous regions and hills are more, the terrain is complex, farmland plots are irregular, and a spraying machine suitable for high-stem crops, particularly sugarcane corns, and the like in the complex terrain is lacked, so that the plant protection requirements of large and small field crops and fruit trees with different row spacing and stem height can be met.

Disclosure of Invention

The invention mainly aims to provide a self-propelled high-stem crop sprayer, and aims to solve the problem that the existing sprayer is difficult to be used for spraying crops on complex terrains in the south.

In order to achieve the above object, the present invention provides a self-propelled high-stalk crop sprayer, comprising:

a frame;

the chassis is rotatably arranged on the front end of the frame through a traction frame;

the wheels comprise rear wheels arranged at the rear end of the rack and front wheels arranged on the chassis, and simultaneously support the whole rack; two rear wheels are arranged and connected through wheel shafts;

the spraying device is arranged at the rear end of the rack and comprises a medicine box, a spraying pump and a spraying mechanism which are arranged on the rack, and the medicine box, the spraying pump and the spraying mechanism are sequentially connected through a pipeline; the spraying mechanism is arranged at the tail part of the frame and comprises a plurality of spray rods, the spray rods are averagely divided into two groups, two adjacent spray rods are connected through a spray rod hinge mechanism, and the two groups of spray rods are respectively directed to the left side and the right side of the axle;

a chassis bracket mounted on the chassis;

and the engine is arranged on the chassis bracket, and the power of the engine is finally transmitted to the front wheel through the chassis belt pulley so as to drive the front wheel.

Further, spray lance articulated mechanism includes spray lance articulated head one, spray lance articulated head two, spray lance articulated bolt and spray lance angular adjustment lock nut, it is articulated to establish ties through spray lance articulated bolt in the spray lance articulated head two that one end embedding spray lance articulated head one end is articulated, spray lance articulated head one through the spray lance articulated cushion with spray lance articulated head two meets, be equipped with the retaining member in the spray lance articulated head two, the retaining member with spray lance angular adjustment lock nut threaded connection, spray lance angular adjustment lock nut with spray lance articulated head two rotate to be connected.

Furthermore, the rear wheel lifting mechanism comprises a lifting oil cylinder body, a lifting oil cylinder piston and a lifting oil cylinder piston rod, the lifting oil cylinder piston is arranged in the lifting oil cylinder body, one end of the lifting oil cylinder piston rod is connected with the frame, the other end of the lifting oil cylinder piston rod is connected with the lifting oil cylinder piston, and one end of the lifting oil cylinder body is connected with the wheel shaft.

Furthermore, the rear wheel track adjusting mechanism comprises a wheel track adjusting oil cylinder body, a wheel track adjusting oil cylinder piston and a wheel track adjusting oil cylinder piston rod, the wheel track adjusting oil cylinder piston is arranged in the wheel track adjusting oil cylinder body, one end of the wheel track adjusting oil cylinder piston rod is connected with a rear wheel, the other end of the wheel track adjusting oil cylinder piston rod is connected with the wheel track adjusting oil cylinder piston, and one end of the wheel track adjusting oil cylinder body is connected with the wheel shaft.

Furthermore, a cab is arranged on the frame.

Furthermore, the spraying device also comprises a spraying transmission shaft, and two ends of the spraying transmission shaft are respectively in power transmission connection with the spraying pump and the chassis.

Further, the spraying device also comprises a spraying control valve which is used for controlling whether the spraying mechanism conducts spraying or not.

Further, the rear wheel lifting mechanism further comprises a lifting oil cylinder sealing ring, a lifting oil cylinder cover, a first lifting oil cylinder oil inlet and outlet and a second lifting oil cylinder oil inlet and outlet, the lifting oil cylinder sealing ring is arranged on the lifting oil cylinder piston, the first lifting oil cylinder oil inlet and outlet and the second lifting oil cylinder oil inlet and outlet are respectively arranged at the upper end and the lower end of the oil cylinder body, and the lifting oil cylinder cover is arranged at the end part, far away from one end of the wheel shaft, of the lifting oil cylinder body.

Further, rear wheel base guiding mechanism still includes wheel base adjustment hydro-cylinder sealing washer, wheel base adjustment hydro-cylinder lid, wheel base adjustment hydro-cylinder business turn over hydraulic fluid port one and wheel base adjustment hydro-cylinder business turn over hydraulic fluid port two, wheel base adjustment hydro-cylinder sealing washer is located on the wheel base adjustment hydro-cylinder piston, wheel base adjustment hydro-cylinder lid is located wheel base adjustment hydro-cylinder body and is close to the tip of rear wheel one end, wheel base adjustment hydro-cylinder business turn over hydraulic fluid port one and wheel base adjustment hydro-cylinder business turn over hydraulic fluid port two are located respectively wheel base adjustment hydro-cylinder body both ends

The technology of the invention can flexibly adjust the distance between two wheels of the rear wheel and the height of the frame from the ground by arranging the rear wheel lifting mechanism and the rear wheel track adjusting mechanism on the spraying machine, thereby being widely suitable for the operation in various mountainous regions, hills, dry lands, greenhouses, orchards, medium and small plots and narrow lands in the south. The labor intensity of agricultural production is reduced, the production efficiency is improved, and the labor and the production cost are saved. The spraying mechanism is formed by connecting a plurality of spray rods, the plurality of spray rods are connected in an angle-adjustable manner, so that the height, the angle and the direction of the spray rods can be adjusted according to actual needs, different spraying modes can be conveniently selected according to different plants, the spraying efficiency is improved, and the application range is wider.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the self-propelled high-stalk crop sprayer of the present invention;

FIG. 2 is a top view of a portion of the structure of one embodiment of the self-propelled high stalk crop sprayer of the present invention;

FIG. 3 is a schematic structural view of a rear wheel track adjusting mechanism of an embodiment of the self-propelled high-stalk crop sprayer of the invention;

fig. 4 is a schematic structural diagram of a rear wheel lifting mechanism of an embodiment of the self-propelled high-stalk crop sprayer of the invention.

Fig. 5 is a schematic structural diagram of a spraying mechanism of an embodiment of the self-propelled high-stem crop sprayer of the invention.

Fig. 6 is a schematic structural diagram of a spray bar hinge mechanism of an embodiment of the self-propelled high-stalk crop sprayer of the invention.

The reference numbers illustrate:

the objects, features, and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-2, the present application provides a structural schematic diagram and a top view of a self-propelled high-stalk crop sprayer, the sprayer includes a frame 13, a spraying device and a cab 4, the spraying device is installed on the rear end of the frame 13, the cab 4 is installed on the front end of the frame, the frame 13 is approximately arranged in a small front and wide back manner, and is used for supporting the whole sprayer; the front end of the frame 13 is connected with the chassis 6 through the traction frame 10 in a rotatable mode, the waist folding can be achieved between the traction frame 10 and the frame 13, the steering wheel controls the steering gear, the drag link is driven to move, the waist folding steering is achieved, and the flexible steering function of the spraying machine is achieved.

The chassis 6 is a transmission speed change mechanism assembly of the spraying machine and is used for converting power of an engine into action of front wheel driving force of the spraying machine, a chassis support 8 is mounted on the chassis 6, the engine 7 is mounted on the chassis support 8, a clutch is arranged on the chassis 6, the power of the engine 7 is transmitted to a chassis belt pulley 5 through a V-belt, the clutch is mounted on the chassis 6, and the chassis 6 has a gear shifting and speed changing function. The bottom of the chassis 6 is provided with a driving shaft, and the driving shaft is provided with a front wheel 9. Power is transmitted to the chassis belt pulley 5 by the engine 7 through the V-belt, reaches the chassis 6 through the clutch, is transmitted to the driving shaft after the speed of the chassis 6 is changed, and finally reaches the front wheel 9 to drive the front wheel 9 to run, so that the spraying machine is driven to run.

Two rear wheels 14 are arranged at the rear end of the frame 13, the sprayer is integrally supported by the two rear wheels 14 and a front wheel 9, the two rear wheels 14 are connected by a wheel shaft 41, the two rear wheels 14 are driven wheels, and the front wheel 9 is a driving wheel. The two rear wheels 14 are provided with a rear wheel lifting mechanism 15 and a rear wheel track adjusting mechanism 16. Rear wheel elevating system 15 is used for rising or reducing the relative ground of frame, through the height on the relative ground of adjustment frame, can be adapted to different topography on the one hand, and keep the level walking relatively in the mountain area hilly land of different slopes, improves the stability of sprayer, and on the other hand, through whole rising frame rear end height, can increase the height of spraying, can better satisfy the spraying demand of high-pole plant. The rear wheel track adjusting mechanism 16 can adjust the distance between the two rear wheels, the walking width of the rear wheels can be adjusted by adjusting the distance between the rear wheels, the requirements of different planting row distances of different crops are met, the applicability is increased, and the damage and the injury to the crops during working are greatly reduced.

Referring to fig. 4, the rear wheel lifting mechanism 15 is a hydraulic lifting mechanism, and includes a lifting oil cylinder body 24, a lifting oil cylinder piston 26 and a lifting oil cylinder piston rod 28, the lifting oil cylinder piston 26 is disposed in the lifting oil cylinder body 24, one end of the lifting oil cylinder piston rod 28 is connected to the frame 13, the other end is connected to the lifting oil cylinder piston 26, and one end of the lifting oil cylinder body 24 is connected to the wheel shaft 41; the lift cylinder piston rod 28 is movable up and down within the lift cylinder body 24. The rear wheel lifting mechanism 15 further comprises a lifting cylinder sealing ring 25, a lifting cylinder cover 27, a first lifting cylinder oil inlet/outlet 29 and a second lifting cylinder oil inlet/outlet 30, wherein the lifting cylinder sealing ring 25 is arranged on the lifting cylinder piston 26 and used for enhancing the sealing performance of the lifting cylinder piston 26. The first lifting oil cylinder oil inlet and outlet 29 and the second lifting oil cylinder oil inlet and outlet 30 are respectively arranged at the upper end and the lower end of the lifting oil cylinder body 24, oil is fed and discharged through the first lifting oil cylinder oil inlet and outlet 29 and the second lifting oil cylinder oil inlet and outlet 30, so that a lifting oil cylinder piston rod 28 moves up and down, and the lifting oil cylinder cover 27 is arranged at the end part of one end, far away from the wheel shaft 41, of the lifting oil cylinder body 24. The two hydraulic lifting mechanisms of the rear wheel 14 can be separately controlled and can also be synchronously controlled, namely the lifting of the rear wheel lifting mechanism 15 of the rear wheel 14 on one side can be independently controlled to ensure that the vehicle body keeps relatively horizontal when the vehicle works on a slope, and the lifting of the rear wheel lifting mechanism 15 of the rear wheel 14 can also be synchronously controlled to simultaneously lift, so that the height of the rear end frame of the sprayer from the ground is integrally lifted.

Referring to fig. 3, the rear wheel track adjusting mechanism 16 includes a track adjusting cylinder 17, a track adjusting cylinder piston 19 and a track adjusting cylinder piston rod 21, the track adjusting cylinder piston 19 is disposed in the track adjusting cylinder 17, one end of the track adjusting cylinder piston rod 21 is connected to a rear wheel 14, the other end is connected to the track adjusting cylinder piston 19, and one end of the track adjusting cylinder 17 is connected to the wheel axle 41. The track adjusting cylinder piston rod 21 is movable within the track adjusting cylinder body 17. The rear wheel track adjusting mechanism 16 further comprises a track adjusting oil cylinder sealing ring 18, a track adjusting oil cylinder cover 20, a track adjusting oil cylinder oil inlet and outlet port I22 and a track adjusting oil cylinder oil inlet and outlet port II 23, wherein the track adjusting oil cylinder sealing ring 18 is arranged on the track adjusting oil cylinder piston 19 and used for enhancing the sealing performance of the track adjusting oil cylinder piston 19 and the inner wall of the track adjusting oil cylinder body 17. The wheel tread adjusting cylinder cover 20 is arranged at the end part of the wheel tread adjusting cylinder body 17 close to one end of the rear wheel 14, and the wheel tread adjusting cylinder oil inlet and outlet port I22 and the wheel tread adjusting cylinder oil inlet and outlet port II 23 are respectively arranged at two ends of the wheel tread adjusting cylinder body 17. The piston rod 21 of the wheel-distance adjusting oil cylinder is controlled to move on the wheel-distance adjusting oil cylinder body 17 through the first wheel-distance adjusting oil cylinder oil inlet/outlet 22 and the second wheel-distance adjusting oil cylinder oil inlet/outlet 23. The wheel track adjusting mechanisms 16 of the two rear wheels are synchronously controlled, and the two rear wheels can be controlled to be synchronously close to or far away from the central axis of the spraying machine. When the wheel track of the rear wheel 14 needs to be adjusted, the rear wheel 14 is lifted to the ground, the wheel track adjusting oil cylinder body 17 is used for feeding oil, and the wheel track adjusting oil cylinder piston 19 moves outwards. And stopping oil supply when the wheel track is adjusted to a proper position, and putting down the rear wheel to finish the adjustment of the wheel track. The walking width of the rear wheel is adjusted according to different planting row spacing of the dry field crops, and the damage and the injury to the crops during working are greatly reduced.

With continued reference to fig. 1-2, the spraying apparatus includes a medicine box 3, a spraying pump 12 and a spraying mechanism 1, which are disposed on a frame 13, and the medicine box 3, the spraying pump 12 and the spraying mechanism 1 are sequentially connected through a pipeline. The spraying mechanism 1 is arranged at the tail part of the vehicle frame, and the liquid of the medicine box 3 is pressurized by the spraying pump 12 and is sprayed out through the spraying mechanism 1. The spraying device also comprises a spraying transmission shaft 11 and a spraying control valve 2, two ends of the spraying transmission shaft 11 are respectively in power transmission connection with a spraying pump 12 and a chassis 6, and the power of the spraying pump 13 is transmitted through the spraying pump transmission shaft 11 through a power output interface of the chassis 6. The spraying control valve 2 is used for controlling whether the spraying mechanism 1 is conducted for spraying, and the spraying control valve 2 can be provided with a plurality of spraying devices to flexibly control the spraying direction and the spraying amount.

Referring to fig. 5, the spraying mechanism 1 is arranged at the tail of the frame 13 and includes a plurality of spray bars 40, the spray bars 40 are divided into two groups, two adjacent spray bars 40 are connected by a spray bar hinge mechanism 32, and the two groups of spray bars 40 are respectively directed to the left and right sides of the axle; in this embodiment, six spray bars 40 are provided, which are divided into two groups, and three spray bars 40 are provided on each of the left and right sides of the machine frame. The spraying mechanism 1 is provided with a hose which is arranged along the spray rod 40, the hose is provided with a plurality of spray ports, the spray ports are provided with spray heads, and the hose can be adjusted in angle along with the spray rod 40.

Referring to fig. 6, the spray bar hinge mechanism 32 includes a first spray bar hinge 35, a second spray bar hinge 38, a spray bar hinge bolt 37, and a spray bar angle adjusting lock nut 39, and the other ends of the first spray bar hinge 35 and the second spray bar hinge 38, which are not connected, are respectively fixedly connected to a spray bar 40. One end of the first spray rod hinge joint 35 is embedded into the second spray rod hinge joint 38 and is connected in series through a spray rod hinge bolt 37 for hinging, and the first spray rod hinge joint 35 is connected with the second spray rod hinge joint 38 through a spray rod hinge rubber pad 36. A locking piece 34 is arranged in the second spray rod hinge joint 38, the locking piece 34 is in threaded connection with a spray rod angle adjustment locking nut 39, and the spray rod angle adjustment locking nut 39 is rotatably connected with the second spray rod hinge joint 38. By rotating the rod angle adjusting lock nut 39, the lock 34 can be brought into abutment with the first rod hinge 35, fixing the first rod hinge 35 and the second rod hinge 38 relative to each other, and thus fixing the angle between two adjacent spray rods 40.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A self-propelled high-stalk crop sprayer, comprising:

a frame (13);

the chassis (6) is rotatably arranged on the front end of the frame (13) through a traction frame (10);

the wheels comprise rear wheels (14) arranged at the rear end of the rack (13) and front wheels (9) arranged on the chassis (6), and simultaneously support the whole rack (11); the two rear wheels (14) are connected through a wheel shaft (41);

the spraying device is arranged at the rear end of the rack (13), and comprises a medicine box (3), a spraying pump (12) and a spraying mechanism (1) which are arranged on the rack (13), wherein the medicine box (3), the spraying pump (12) and the spraying mechanism (1) are sequentially connected through pipelines; the spraying mechanism (1) is arranged at the tail part of the rack (13) and comprises a plurality of spray rods (40), the spray rods (40) are averagely divided into two groups, two adjacent spray rods (40) are connected through a spray rod hinge mechanism (32), and the two groups of spray rods (40) respectively point to the left side and the right side of the axle;

a chassis bracket (8) mounted on the chassis (6);

and the engine (7) is installed on the chassis bracket (8), and the power of the engine (7) is finally transmitted to the front wheel (9) through the chassis belt pulley (5) so as to drive the front wheel (9).

2. The self-propelled high-stem crop sprayer according to claim 1, wherein the spray bar hinge mechanism (32) comprises a first spray bar hinge (35), a second spray bar hinge (38), a spray bar hinge bolt (37) and a spray bar angle adjusting locking nut (39), one end of the first spray bar hinge (35) is embedded in the second spray bar hinge (38) and is hinged in series through the spray bar hinge bolt (37), the first spray bar hinge (35) is connected with the second spray bar hinge (38) through a spray bar hinge rubber mat (36), a locking member (34) is arranged in the second spray bar hinge (38), the locking member (34) is in threaded connection with the spray bar angle adjusting locking nut (39), and the spray bar angle adjusting locking nut (39) is rotatably connected with the second spray bar hinge (38).

3. The sprayer for self-propelled high-stem crops as claimed in claim 1, wherein the rear wheel lifting mechanism (15) comprises a lifting oil cylinder body (24), a lifting oil cylinder piston (26) and a lifting oil cylinder piston rod (28), the lifting oil cylinder piston (26) is arranged in the lifting oil cylinder body (24), one end of the lifting oil cylinder piston rod (28) is connected with the frame (13), the other end of the lifting oil cylinder piston rod is connected with the lifting oil cylinder piston (26), and one end of the lifting oil cylinder body (24) is connected with the wheel shaft (41).

4. The sprayer for self-propelled high-stem crops as claimed in claim 1, wherein the rear wheel track adjusting mechanism (16) comprises a wheel track adjusting cylinder body (17), a wheel track adjusting cylinder piston (19) and a wheel track adjusting cylinder piston rod (21), the wheel track adjusting cylinder piston (19) is arranged in the wheel track adjusting cylinder body (17), one end of the wheel track adjusting cylinder piston rod (21) is connected with a rear wheel (14), the other end of the wheel track adjusting cylinder piston rod is connected with the wheel track adjusting cylinder piston (19), and one end of the wheel track adjusting cylinder body (17) is connected with the wheel shaft (41).

5. The sprayer for self-propelled tall crops as claimed in claim 1, wherein said carriage (13) is provided with a cab (4).

6. The self-propelled high-stem crop sprayer according to claim 1, characterized in that the spraying device further comprises a spraying transmission shaft (11), and both ends of the spraying transmission shaft (11) are respectively in power transmission connection with the spraying pump (12) and the chassis (6).

7. The self-propelled high stem crop sprayer according to claim 1, characterized in that the spraying device further comprises a spray control valve (2), the spray control valve (2) being used to control whether the spraying mechanism (1) conducts the spray.

8. The self-propelled high-stem crop sprayer as claimed in claim 3, wherein the rear wheel lifting mechanism (15) further comprises a lifting cylinder sealing ring (25), a lifting cylinder cover (27), a first lifting cylinder oil inlet/outlet (29) and a second lifting cylinder oil inlet/outlet (30), the lifting cylinder sealing ring (25) is arranged on a lifting cylinder piston (26), the first lifting cylinder oil inlet/outlet (29) and the second lifting cylinder oil inlet/outlet (30) are respectively arranged at the upper end and the lower end of the lifting cylinder body (24), and the lifting cylinder cover (27) is arranged at the end of the lifting cylinder body (24) far away from the wheel shaft (41).

9. The self-propelled high-stem crop sprayer as claimed in claim 4, wherein the rear wheel track adjusting mechanism (16) further comprises a wheel track adjusting cylinder seal ring (18), a wheel track adjusting cylinder cover (20), a wheel track adjusting cylinder oil inlet/outlet port I (22) and a wheel track adjusting cylinder oil inlet/outlet port II (23), the wheel track adjusting cylinder seal ring (18) is arranged on the wheel track adjusting cylinder piston (19), the wheel track adjusting cylinder cover (20) is arranged at the end of the wheel track adjusting cylinder body (17) close to one end of the rear wheel (14), and the wheel track adjusting cylinder oil inlet/outlet port I (22) and the wheel track adjusting cylinder oil inlet/outlet port II (23) are respectively arranged at two ends of the wheel track adjusting cylinder body (17).