CN111742909A

CN111742909A - Small multifunctional pesticide spraying agricultural machine

Info

Publication number: CN111742909A
Application number: CN202010672149.XA
Authority: CN
Inventors: 张金山; 张裕翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-10-09

Abstract

The invention belongs to the technical field of agricultural machinery, and discloses a small multifunctional pesticide spraying agricultural machine which comprises a base, wherein four ejector rods are arranged at the top of the base, two ejector rods are in a group and are symmetrical pairwise, a top plate is arranged between the tops of the four ejector rods, linkage rods are arranged on the opposite sides of the two ejector rods, handle rods are rotatably connected to the positions, close to the lower parts of the linkage rods, of the two ejector rods, one ends of the two linkage rods are rotatably connected with the handle rods, a first adjusting plate and a second adjusting plate are pulled to respectively move the first adjusting plate and the second adjusting plate to positions, required by a user, in a first adjusting frame and a second adjusting frame, the positions, required by the user, on the first adjusting frame and the second adjusting frame are screwed, the device can be adjusted according to the height, the width and the width of crops, and can be used for crops with different specifications, the device can be suitable for different use scenes, and the use range of the device is widened.

Description

Small multifunctional pesticide spraying agricultural machine

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to a small multifunctional pesticide spraying agricultural machine.

Background

Agricultural machinery refers to various machines used in the production process of crop planting industry and animal husbandry, and the primary processing and treatment process of agricultural and animal products, and the agricultural machinery comprises agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like.

However, the pesticide spraying agricultural machine in the market at present cannot be adjusted according to the height, the width and the width of crops, can only be used for crops with fixed specifications, and cannot be applied to different use scenes, the application range of the device has limitations, the water body is inconvenient to add, a water storage barrel and the device of the device are welded, when the water body is added, the device can only be moved integrally, the water body can be added, the water body adding difficulty is increased, the water body adding efficiency is reduced, the device has larger volume and cannot be adjusted according to the requirements of users, the trafficability of the device is poor, the passing efficiency of the device is reduced, the water delivery hose is inconvenient to replace, the water delivery hose needs to be replaced after aging along with the increase of the use time, a large number of fixed structures need to be twisted, the replacing difficulty of the water delivery hose is increased, the replacing efficiency of the water delivery hose is reduced, the crops cannot be, reducing the survival rate of crops.

Disclosure of Invention

The invention aims to provide a small multifunctional pesticide spraying agricultural machine, which aims to solve the problems that the application range of the device provided by the background technology is limited, the water adding efficiency is reduced, the passing efficiency of the device is reduced, the replacement efficiency of a water delivery hose is reduced, and the survival rate of crops is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a small multifunctional pesticide spraying agricultural machine comprises a base, wherein four ejector rods are arranged at the top of the base, two of the four ejector rods are in a group and are symmetrical in pairs, a top plate is arranged between the tops of the four ejector rods, a linkage rod is arranged on one side of each of the two ejector rods, which are opposite to each other, a handle is rotatably connected to the position, close to the lower part of the linkage rod, of each of the two ejector rods, one end of each of the two linkage rods is rotatably connected with the handle, a speed regulating handle is arranged at one end of each handle, a brake handle is arranged on the position, close to the speed regulating handle, of each of the two ejector rods, a first adjusting frame is arranged on one side of the base, a second adjusting frame is arranged on the other side of the base, a first adjusting plate is rotatably connected to the inside of the first adjusting frame, a second adjusting plate is rotatably connected to the inside of the second adjusting frame, two all the cover is equipped with the removal wheel on the wheel hub axle, and two wheel hub axles all install the sill bar near one side position department of removing the wheel, two the sill bar is carried on the back in the one end of wheel hub axle respectively with first regulating plate and second regulating plate fixed connection, the internally mounted of base has the water pump, and the inside one side position department of being close to the water pump of base installs the battery, the inlet tube is installed to the one end of water pump, and the water delivery hose is installed to the other end, the base is close to one side position department of first alignment jig and installs the controller, the internally mounted who removes the wheel has wheel hub.

Preferably, a top adjusting bracket is installed at the top of the top plate, a top adjusting plate is connected to the inside of the top adjusting bracket in a sliding mode, and one side of the top adjusting plate is fixedly connected with the second adjusting bracket.

Preferably, the base is adjacent to one side between first alignment jig and the second alignment jig and is symmetrically installed two bottom spacing framves, two the connecting rod is all installed to the inside of bottom spacing frame, two the lantern ring is all installed in the connecting rod back to the one end of bottom spacing frame, two the bracing piece is all installed to the inside of lantern ring, two install the horizontal pole between the bracing piece bottom, the rotating turret is all installed at the both ends of horizontal pole, two the inside of rotating turret all rotates and is connected with the bull stick, two all overlap on the bull stick and be equipped with solid fixed ring, two all install the spring between solid fixed ring and the rotating turret, the connecting plate is all installed in one side that horizontal pole and bull stick back to the connecting rod, the three-way pipe is installed at the top of connecting plate, the shower nozzle is installed to the bottom of three-way pipe.

Preferably, the base is mutually in the back of two crossbearers in the one side symmetry of spacing frame in bottom, one of them the crossbearer is mutually in the back of one side symmetry of base and is installed two couples, another the crossbearer is mutually in the back of one side of base and is installed a couple, and is three the couple is mutually in one side block of base and is connected with the rotation seat, the inside of rotating the seat is rotated and is connected with the wind-up roll, and rotates one side position department that the seat is close to the couple and all seted up the hanging hole.

Preferably, two all install the fender cover on the wheel hub axle, two the fixed block is all installed to one side of fender cover, two the branch trunk pole is all installed in one side that the fixed block back of the body kept off the cover mutually, install between fender cover and the sill bar and be connected the rope.

Preferably, two equal sliding connection in inside of crossbearer has the transverse adjusting pole, two install the rectangle frame between the transverse adjusting pole one end, the internally mounted of rectangle frame has auxiliary wheel adjusting rod, the bottom plate is installed to the bottom of auxiliary wheel adjusting rod, two auxiliary wheels are installed to the bottom symmetry of bottom plate, one side position department that the base is close to the rectangle frame rotates and is connected with the bedplate, three return pulleys is installed to the bottom of bedplate, wherein two the return pulley one-to-one, another the return pulley is installed between two return pulleys in the bedplate bottom.

Preferably, a pull rod limiting frame is installed on one side of the top adjusting frame, a first limiting frame is installed at a position, close to the top adjusting frame, on one side of the top plate, a pull rod is installed between the first limiting frame and the pull rod limiting frame, two pull ropes are symmetrically installed at the bottom of the pull rod, and the two pull ropes are back on the back of one end of the pull rod and are fixedly connected with the two rotating rods respectively.

Preferably, the cross sections of the lantern ring and the supporting rod are both circular structures, and the diameter of the lantern ring is larger than that of the supporting rod.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the first adjusting plate and the second adjusting plate are respectively moved to the positions, required by a user, in the first adjusting frame and the second adjusting frame by pulling the first adjusting plate and the second adjusting plate, and the positions, required by the user, on the first adjusting frame and the second adjusting frame are screwed, so that the device can be adjusted according to the height, the width and the width of crops, can be used for crops with different specifications, can be suitable for different use scenes, and the application range of the device is improved.

(2) According to the invention, the adjusting plate is pulled to move to the position required by a user on the top adjusting frame, so that the second adjusting frame is moved to the position required by the user, when a water body is added, the user only needs to place water tanks with different specifications on the base, and the water body can be added without moving the device integrally, thereby reducing the water body adding difficulty and improving the water body adding efficiency.

(3) According to the invention, the two rotating rods rotate in the rotating frame, when the size of the device is required to be reduced, the rotating rods only need to rotate around the rotating frame through the rotating rods, and the rotating rods are pulled through the springs, so that the size of the device is reduced, the device can be adjusted according to the requirements of users, the passing performance of the device is improved, and the passing efficiency of the device is improved.

(4) According to the invention, the rotating seat is fixed with the base through the clamping of the three hooks and the hanging holes, the water delivery hose is wound through the winding roller, when the rotating seat needs to be disassembled, the rotating seat can be disassembled only by separating the rotating seat from the hooks, a large number of fixing structures do not need to be screwed, the water delivery hose is convenient to replace, the replacement difficulty of the water delivery hose is reduced, and the replacement efficiency of the water delivery hose is improved.

(5) According to the invention, the fixing block is supported by the blocking cover, so that the position of the plant separating rod is fixed, and the plants are separated by the plant separating rod, so that when the device moves, the plants can be separated towards two sides, crops can be conveniently separated, the device cannot crush the crops, and the survival rate of the crops is improved.

Drawings

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

FIG. 2 is a rear view of the present invention;

FIG. 3 is an internal structural view of the base of the present invention;

FIG. 4 is a top view of the present invention with the handle, link and turret removed;

FIG. 5 is a top view of the turret of the present invention;

FIG. 6 is a side view of the turret of the present invention;

FIG. 7 is a front view of the web of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 1;

FIG. 9 is an enlarged view of portion B of FIG. 2;

FIG. 10 is an enlarged view of section C of FIG. 1;

FIG. 11 is a side view of the base plate of the present invention in connection with an auxiliary wheel;

FIG. 12 is a bottom view of the seat plate of the present invention;

in the figure: 1-hanging holes; 2-top regulating plate; 3, a wind-up roll; 4-rotating the base; 5-brake handle; 6-speed regulating handle; 7-a handle bar; 8-a linkage rod; 9-auxiliary wheel adjusting rod; 10-a top rod; 11-a top plate; 12-a first stop; 13-a pull rod; 14-a pull rope; 15-a first adjustment plate; 16-a first adjustment bracket; 17-a controller; 18-a base; 19-a support bar; 20-connecting ropes; 21-a bottom limiting frame; 22-a collar; 23-a connecting plate; 24-plant separation rods; 25-fixing block; 26-a shield; 27-a moving wheel; 28-a hub; 29-bottom bar; 30-an auxiliary wheel; 31-a second adjusting bracket; 32-a second adjustment plate; 33-a water inlet pipe; 34-water hose; 35-a water pump; 36-a hub axle; 37-a battery; 38-hook; 39-cross frame; 40-transverse adjusting rod; 41-rectangular frame; 42-connecting a hose; 43-a pull rod limiting frame; 44-top adjusting bracket; 45-spring; 46-a turret; 47-a cross-bar; 48-a connecting rod; 49-rotating rod; 50-a fixed ring; 51-a spray head; 52-tee pipe; 53-a backplane; 54-a bottom wheel; 55-seat board.

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.

Referring to fig. 1-12, the present invention provides a technical solution: a small multifunctional pesticide spraying agricultural machine comprises a base 18, four ejector rods 10 are installed at the top of the base 18, two of the four ejector rods 10 form a group, the four ejector rods 10 are symmetrical in pairs, a top plate 11 is installed between the tops of the four ejector rods 10, linkage rods 8 are installed on the opposite sides of the two ejector rods 10, handle bars 7 are rotatably connected to positions, close to the lower portions of the linkage rods 8, of the two ejector rods 10, one ends of the two linkage rods 8 are rotatably connected with the handle bars 7, speed regulating handles 6 are installed at one ends of the handle bars 7, brake handles 5 are installed at positions, close to the speed regulating handles 6, of the handle bars 7, a first adjusting frame 16 is installed at one side of the base 18, a second adjusting frame 31 is installed at the other side of the base 18, a first adjusting plate 15 is rotatably connected to the inside of the first adjusting frame 16, a second adjusting plate 32 is rotatably connected to the inside of the second adjusting frame 31, a hub shaft 36 is installed, the two hub shafts 36 are respectively sleeved with the moving wheel 27, one side positions of the two hub shafts 36 close to the moving wheel 27 are respectively provided with a bottom rod 29, one ends of the two bottom rods 29, which are opposite to the hub shafts 36, are respectively fixedly connected with the first adjusting plate 15 and the second adjusting plate 32, the inside of the base 18 is provided with a water pump 35, the water pump 35 adopts a 50CQ-25 water pump, one side position of the inside of the base 18, which is close to the water pump 35, is provided with a battery 37, one end of the water pump 35 is provided with a water inlet pipe 33, the other end of the water pump is provided with a water delivery hose 34, one side position of the base 18, which is close to the first adjusting frame 16, is provided with a controller 17, the controller 17 adopts a PLC (programmable logic controller) CPU (CPU) 226, the inside of the moving wheel 27 is provided with a hub 28, and the first adjusting plate 15 and the second adjusting plate 32 are pulled to respectively move to the, the first and second adjusting

brackets

16 and 31 are tightened at the position required by the user.

Further, top adjusting bracket 44 is installed at the top of roof 11, and the inside sliding connection of top adjusting bracket 44 has top regulating plate 2, and one side and second adjusting bracket 31 fixed connection of top regulating plate 2, through the pulling of top regulating plate 2, make top regulating plate 2 remove the position department that the user needs on top adjusting bracket 44 to let second adjusting bracket 31 remove the position department that the user needs.

Specifically, two bottom limiting frames 21 are symmetrically installed on one side of the base 18 adjacent to the position between the first adjusting frame 16 and the second adjusting frame 31, connecting rods 48 are installed inside the two bottom limiting frames 21, lantern rings 22 are installed at the ends, opposite to the bottom limiting frames 21, of the two connecting rods 48, supporting rods 19 are installed inside the two lantern rings 22, a cross rod 47 is installed between the bottoms of the two supporting rods 19, rotating frames 46 are installed at the two ends of the cross rod 47, rotating rods 49 are rotatably connected inside the two rotating frames 46, fixing rings 50 are sleeved on the two rotating rods 49, springs 45 are installed between the two fixing rings 50 and the rotating frames 46, connecting plates 23 are installed on the sides, opposite to the connecting rods 48, of the cross rod 47 and the rotating rods 49, a three-way pipe 52 is installed at the top of the connecting plates 23, a spray nozzle 51 is installed at the bottom of the three-way pipe 52, and a, the lantern ring 22 is supported through the connecting rod 48, the supporting rod 19 is moved to a position required by a user through the lantern ring 22, the spray head 51 is moved to the position required by the user, when the user needs to fold the rotating rod 49, the two rotating rods 49 are rotated in the rotating frame 46, and the rotating rod 49 is pulled through the spring 45.

It is worth to say that, two crossbearers 39 are symmetrically installed on one side of the base 18 opposite to the bottom limiting frame 21, two hooks 38 are symmetrically installed on one side of one of the crossbearers 39 opposite to the base 18, one hook 38 is installed on one side of the other crossbearer 39 opposite to the base 18, one side of the three hooks 38 opposite to the base 18 is clamped and connected with the rotating seat 4, the winding roller 3 is rotatably connected inside the rotating seat 4, the hanging holes 1 are formed in the positions, close to the hooks 38, of the rotating seat 4, the rotating seat 4 is fixed with the base 18 through the clamping of the three hooks 38 and the hanging holes 1, and the water delivery hose 34 is wound through the winding roller 3.

Further, all install on two hub shafts 36 and keep off cover 26, fixed block 25 is all installed to one side of two fender covers 26, and branch plant pole 24 is all installed on one side that two fixed blocks 25 kept off cover 26 mutually away from, keeps off and installs between cover 26 and the sill bar 29 and connect rope 20, supports fixed block 25 through keeping off cover 26, makes the fixed position of branch plant pole 24, separates the plant through branch plant pole 24.

Furthermore, the two transverse frames 39 are connected with transverse adjusting rods 40 in a sliding manner, a rectangular frame 41 is installed between one ends of the two transverse adjusting rods 40, auxiliary wheel adjusting rods 9 are installed inside the rectangular frame 41, a bottom plate 53 is installed at the bottom of the auxiliary wheel adjusting rods 9, two auxiliary wheels 30 are symmetrically installed at the bottom of the bottom plate 53, a seat plate 55 is rotatably connected to one side position of the base 18 close to the rectangular frame 41, three bottom wheels 54 are installed at the bottom of the seat plate 55, the two bottom wheels 54 are symmetrical one by one, the other bottom wheel 54 is installed between the two bottom wheels 54 at the bottom of the seat plate 55, the two transverse adjusting rods 40 are pulled to move to the position on the transverse frames 39 required by the user, the transverse adjusting rods 40 are fixed at the position required by the user by screwing bolts on the transverse frames 39, and the auxiliary wheel adjusting rods 9 are pulled, the auxiliary wheel adjustment lever 9 is moved to a position on the rectangular frame 41 required by the user, and the bolt on the rectangular frame 41 is tightened, thereby fixing the auxiliary wheel 30.

Furthermore, a pull rod limiting frame 43 is installed on one side of the top adjusting frame 44, a first limiting frame 12 is installed on one side of the top plate 11 close to the top adjusting frame 44, a pull rod 13 is installed between the first limiting frame 12 and the pull rod limiting frame 43, two pull ropes 14 are symmetrically installed at the bottom of the pull rod 13, one ends of the two pull ropes 14, which are opposite to the pull rod 13, are respectively and fixedly connected with two rotating rods 49, bolts are installed on the first limiting frame 12, the first adjusting frame 16, the bottom limiting frame 21, the lantern ring 22, the second adjusting frame 31, the cross frame 39, the rectangular frame 41, the pull rod limiting frame 43 and the top adjusting frame 44, the position of the clamping rod 13 is limited by the pull rod limiting frame 43 and the first limiting frame 12, and the clamping rod is clamped by the two pull ropes 14 bound at the bottom of the pull rod 13, bind the both ends of two bull sticks 49 through two stay cords 14, support bull stick 49 through stay cord 14, let bull stick 49 place more firmly.

Further, the cross sections of the lantern ring 22 and the supporting rod 19 are circular structures, the diameter of the lantern ring 22 is larger than that of the supporting rod 19, the water delivery hose 34 is wound on the winding roller 3, one end of the water delivery hose 34 is fixedly connected with the three-way pipe 52, and the supporting rod 19 is enabled to move conveniently through the lantern ring 22 with the larger diameter.

The working principle and the using process of the invention are as follows: when the invention is used, the first adjusting plate 15 and the second adjusting plate 32 are pulled to move the first adjusting plate 15 and the second adjusting plate 32 to the positions required by a user on the first adjusting frame 16 and the second adjusting frame 31, the bolts on the first adjusting frame 16 and the second adjusting frame 31 are screwed down to fix the positions of the first adjusting plate 15 and the second adjusting plate 32, the top adjusting plate 2 is pulled in the top adjusting frame 44 to make the top adjusting plate 2 drive the second adjusting frame 31 to move, the bolts on the top adjusting frame 44 are screwed down to adjust the two moving wheels 27 to the positions required by the user, the two transverse adjusting rods 40 are pulled in the transverse frame 39 to make the rectangular frame 41 move to the positions required by the user, the bolts on the transverse frame 39 are screwed down to move the auxiliary wheel adjusting rod 9 to make the auxiliary wheel adjusting rod 9 drive the auxiliary wheel 30 to move, and make the auxiliary wheel 30 and the moving wheel 27 abut against the ground, the rotating seat 4 is clamped with the hook 38 and the rotating seat 4 through the hanging hole 1, the winding roller 3 rotates to drive the water delivery hose 34 to extend, the speed regulating handle 6 is screwed to drive the moving wheel 27 and the hub 28 to rotate, the device is driven to move, the device is moved to a using point, the supporting rod 19 is pulled to move the supporting rod 19 to a position on the lantern ring 22 required by a user, the bolt on the lantern ring 22 is screwed, the cross rod 47 and the supporting rod 19 are adjusted to the position required by the user, the water tank storing the liquid medicine is placed above the base 18, the water inlet pipe 33 is inserted into the water tank, the liquid medicine is sprayed out through the water delivery hose 34 by the operation of the water pump 35 and finally sprayed out through the three-way pipe 52 and the spray nozzle 51, the crops are sprayed out, when the device moves, the plants are separated through the plant separating rod 24 and the fixed block 25, when the objects such as automobiles need to be washed, the object can be washed only by replacing the liquid medicine in the water tank with the water body.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a small-size multi-functional agricultural machinery that spouts medicine which characterized in that: the brake handle comprises a base (18), four ejector rods (10) are installed at the top of the base (18), two of the four ejector rods (10) are in a group, the ejector rods are symmetrical in pairs, a top plate (11) is installed between the tops of the four ejector rods (10), a linkage rod (8) is installed on one side, back to back, of the two ejector rods (10), a handle rod (7) is rotatably connected to the position, below the linkage rod (8), of the two ejector rods (10), one end of each linkage rod (8) is rotatably connected with the handle rod (7), a speed regulation handle (6) is installed at one end of the handle rod (7), a brake handle (5) is installed on the position, close to the speed regulation handle (6), of the handle rod (7), a first adjusting frame (16) is installed on one side of the base (18), a second adjusting frame (31) is installed on the other side of the base, a first adjusting frame (16) is rotatably connected with a first adjusting plate, the inside of second alignment jig (31) closes soon and is connected with second adjusting plate (32), wheel hub axle (36) are all installed to one side that first adjusting plate (15) and second adjusting plate (32) carried on the back mutually, two all the cover is equipped with removal wheel (27) on wheel hub axle (36), and one side position department that two wheel hub axles (36) are close to removal wheel (27) all installs sill bar (29), two one end that sill bar (29) are carried on the back mutually in wheel hub axle (36) respectively with first adjusting plate (15) and second adjusting plate (32) fixed connection, the internally mounted of base (18) has water pump (35), and base (18) inside one side position department that is close to water pump (35) installs battery (37), inlet tube (33) is installed to the one end of water pump (35), water hose (34) are installed to the other end, controller (17) is installed to one side position department that base (18) is close to first adjusting jig (16), a hub (28) is mounted inside the moving wheel (27).

2. The small multifunctional pesticide spraying agricultural machine as claimed in claim 1, which is characterized in that: top alignment jig (44) is installed at the top of roof (11), the inside sliding connection of top alignment jig (44) has top regulating plate (2), one side and second alignment jig (31) fixed connection of top regulating plate (2).

3. The small multifunctional pesticide spraying agricultural machine as claimed in claim 1, which is characterized in that: two bottom limiting frames (21) are symmetrically installed on one side, adjacent to one side between a first adjusting frame (16) and a second adjusting frame (31), of a base (18), connecting rods (48) are installed inside the two bottom limiting frames (21), a sleeve ring (22) is installed at one end, back to the bottom limiting frames (21), of the two connecting rods (48), supporting rods (19) are installed inside the two sleeve rings (22), a cross rod (47) is installed between the bottoms of the two supporting rods (19), rotating frames (46) are installed at two ends of the cross rod (47), rotating rods (49) are rotatably connected inside the two rotating frames (46), fixing rings (50) are sleeved on the two rotating rods (49), springs (45) are installed between the two fixing rings (50) and the rotating frames (46), and connecting plates (23) are installed on one side, back to the connecting rods (48), of the cross rod (47) and the rotating rods (49), the top of the connecting plate (23) is provided with a three-way pipe (52), the bottom of the three-way pipe (52) is provided with a spray head (51), and a connecting hose (42) is arranged between the three-way pipes (52).

4. The small multifunctional pesticide spraying agricultural machine as claimed in claim 3, characterized in that: base (18) are carried on the back in one side symmetry of spacing (21) in bottom and are installed two crossbearers (39), one of them crossbearer (39) are carried on the back in one side symmetry of base (18) and are installed two couples (38), another one couple (38) are installed in one side of crossbearer (39) the back in base (18) on the back, and are three couple (38) are connected with and rotate seat (4) in the block of one side of base (18) on the back, the internal rotation that rotates seat (4) is connected with wind-up roll (3), and rotates seat (4) and all seted up hanging hole (1) in one side position department of being close to couple (38).

5. The small multifunctional pesticide spraying agricultural machine as claimed in claim 1, which is characterized in that: two all install on wheel hub axle (36) and keep off cover (26), two fixed block (25) are all installed to one side of keeping off cover (26), two branch trunk pole (24) are all installed in one side that keeps off cover (26) back to each other in fixed block (25), it connects rope (20) to install between cover (26) and sill bar (29).

6. The small multifunctional pesticide spraying agricultural machine as claimed in claim 4, wherein: two equal sliding connection in inside of crossbearer (39) has transverse adjusting rod (40), two install rectangle frame (41) between transverse adjusting rod (40) one end, the internally mounted of rectangle frame (41) has auxiliary wheel adjusting rod (9), bottom plate (53) are installed to the bottom of auxiliary wheel adjusting rod (9), two auxiliary wheel (30) are installed to the bottom symmetry of bottom plate (53), base (18) are close to one side position department rotation of rectangle frame (41) and are connected with bedplate (55), three return pulley (54) are installed to the bottom of bedplate (55), wherein two return pulley (54) one-to-one, another return pulley (54) are installed between two return pulley (54) in bedplate (55) bottom.

7. The small multifunctional pesticide spraying agricultural machine as claimed in claim 2, characterized in that: pull rod spacing (43) are installed to one side of top alignment jig (44), roof (11) top is close to one side position department of top alignment jig (44) and installs first spacing (12), install pull rod (13) between first spacing (12) and pull rod spacing (43), two stay ropes (14), two are installed to the bottom symmetry of pull rod (13) stay rope (14) are carried on the back in the one end of pull rod (13) respectively with two bull stick (49) fixed connection.

8. The small multifunctional pesticide spraying agricultural machine as claimed in claim 3, characterized in that: the cross sections of the lantern ring (22) and the supporting rod (19) are both circular structures, and the diameter of the lantern ring (22) is larger than that of the supporting rod (19).