CN117501975A - Machine head controllable leek harvester - Google Patents

Abstract

The application discloses controllable leek harvester of aircraft nose, including automobile body and aircraft nose assembly, the aircraft nose assembly includes the aircraft nose frame, angle mill subassembly, conveying component and two direction subassemblies, the aircraft nose frame is installed in the place ahead of automobile body, angle mill subassembly sets up on the aircraft nose frame and is kept away from one side of automobile body, conveying component installs on the aircraft nose frame, two direction subassemblies install the front end in the aircraft nose frame symmetrically, the direction subassembly can rotate round the aircraft nose frame, the direction subassembly includes the guide, mounting panel and driving piece, the one end of mounting panel is fixed in on the aircraft nose frame, be fixed with the inserted bar on the mounting panel, the outside of inserted bar is located through the bearing housing to the one end of guide, the driving piece is connected the guide, the driving piece is suitable for driving the guide and rotates through the inserted bar. Through setting up two direction subassemblies, can adjust the distance between two direction subassemblies according to actual conditions to realize adjusting the reaping scope of leek harvester, in order to satisfy actual harvesting demand.

Description

Machine head controllable leek harvester

Technical Field

The application relates to the technical field of agricultural mechanical equipment, in particular to a machine head-controllable leek harvester.

Background

Chinese chives, perennial root herbs, are 20-45cm high. Has special strong smell, the rhizome lies horizontally, the bulb is narrow and conical, and the hair is clustered; the scale-type crust is yellow brown and is meshed with the cellulose; she Jisheng, strip, flat; umbrella-shaped inflorescences, and top-born. When harvesting leeks with an upper scale (more than hundred mu), because the optimal time of the harvesting period of the leeks is generally not more than 2-3 days, otherwise, the leeks are aged and have extremely bad taste, and therefore, the leeks need to be harvested by adopting a harvester, but the heads of the leeks harvester in the prior art are generally fixed, so that the leeks can only be harvested within the limit range of the heads when harvesting the leeks, and the heads can not fully harvest the leeks in the leeks when the driving direction of the leeks is deviated or the growth of the leeks is relatively dense during driving of the leeks, thereby causing waste.

Disclosure of Invention

The invention provides a machine head-controllable Chinese chive harvester, which aims to solve the problems that the machine head of the traditional Chinese chive harvester is of a fixed structure, so that the harvesting range is fixed and is very narrow, and the harvesting range cannot be adjusted according to actual conditions, so that the practicability of the machine head is poor.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the machine head comprises a machine head frame, an angle grinder assembly, a conveying assembly and two guide assemblies, wherein the machine head frame is arranged in front of the machine head frame, the angle grinder assembly is arranged on one side, far away from the machine body, of the machine head frame, the conveying assembly is arranged on the machine head frame, one end of the conveying assembly is aligned with the angle grinder assembly, the other end of the conveying assembly is aligned with the machine body, the machine head assembly is suitable for conveying the Chinese chives harvested by the angle grinder assembly into the machine body, the two guide assemblies are symmetrically arranged at the front end of the machine head frame, and the guide assemblies can rotate around the machine head frame; the guide assembly comprises a guide piece, a mounting plate and a driving piece, wherein the guide piece is mounted on the machine head frame and arranged in front of the angle grinder assembly, one end of the mounting plate is fixed on the machine head frame, an inserting rod is fixed on the mounting plate, one end of the guide piece is sleeved on the outer side of the inserting rod through a bearing, one end of the driving piece is fixed on the machine head frame, the other end of the driving piece is connected with the guide piece, and the driving piece is suitable for driving the guide piece to rotate around the inserting rod.

As a further improvement of the above scheme, the guide piece comprises a guide plate, a connecting plate and a baseboard, one end of the connecting plate is mounted on the plunger rod through a bearing, the other end of the connecting plate is connected with the guide plate, the guide plate is arranged in a downward inclined mode from the joint of the guide plate, the baseboard is arranged below the guide plate, one end of the baseboard is fixed at the lower end of the guide plate, the other end of the baseboard is mounted on the plunger rod through a bearing, a connecting rod is arranged on the connecting plate, the driving piece is connected with the connecting rod, and the driving piece is suitable for driving the guide piece to rotate through the connecting rod.

As a further improvement of the scheme, the guide plates comprise first guide plates and second guide plates, the second guide plates are fixedly connected to the first guide plates, the first guide plates and the second guide plates can form an inverted V-shaped structure, a harvesting area is formed between the two first guide plates, and the two first guide plates are suitable for guiding Chinese chives in the harvesting area into the angle grinder assembly.

As a further improvement of the scheme, the first guide plates are of triangular structures, the first guide plates are obliquely arranged from the connection positions of the first guide plates and the second guide plates to the direction of the harvesting area, and the distances between the two first guide plates from the inlet of the harvesting area to the direction of the angle grinder assembly are gradually reduced.

As a further improvement of the above scheme, the connection part of the first guide plate and the second guide plate is in a smooth arc structure.

As the further improvement of above-mentioned scheme, the baseboard includes two installation sections and linkage segment, two the installation section is the horizontal structure, the linkage segment is the slope structure, the both ends of linkage segment are connected respectively the installation section, the linkage segment is followed the upward slope of inserted bar direction sets up.

As a further improvement of the scheme, the driving piece is an air cylinder, a strip hole is formed in the connecting plate, one end of the connecting rod is fixedly connected with the driving piece, the other end of the connecting rod is inserted into the strip hole, and the driving piece can push the mounting plate to rotate around the inserted rod through the connecting rod.

As a further improvement of the scheme, the angle grinder assembly comprises a mounting frame and two cutting discs, wherein the upper end of the mounting frame is fixed on the machine head frame, the two cutting discs are respectively mounted on the mounting frame, the cutting discs are respectively provided with a second motor, the second motor can drive the cutting discs to rotate, and the rotating directions of the two cutting discs are opposite.

As a further improvement of the scheme, the cutting discs are of circular structures, two cutting discs run at the same speed in opposite directions, and the two cutting discs are arranged in a staggered mode up and down.

As a further improvement of the scheme, the conveying assembly comprises a transmission assembly and a conveying belt assembly, the transmission assembly is mounted on the vehicle body and arranged below the machine head frame, one end of the conveying belt assembly is connected with the transmission assembly, the other end of the conveying belt assembly is aligned with the cutting disc, the Chinese chives cut by the cutting disc can enter the conveying belt assembly, and the transmission assembly can drive the conveying belt assembly to move so as to convey the harvested Chinese chives into the vehicle body.

Compared with the prior art, the beneficial effect of this application lies in:

(1) Through setting up two direction subassemblies, can adjust the distance between two direction subassemblies according to actual conditions to realize adjusting the reaping scope between the leek harvester, in order to solve among the prior art aircraft nose and be fixed knot structure, will appear can't carry out complete problem of reaping to the leek when driving direction takes place skew or the leek growth is thick.

(2) Through setting up driving piece, guide and inserted bar in this application, the driving piece can promote the guide and rotate round the inserted bar to realize adjusting the purpose of guide position, from this in actual operation in-process, if when the skew appears in the driving direction, the accessible driving piece drives the guide and rotates the position of corresponding adjustment guide, thereby makes the leek can all hold between two guides, in order to reach the purpose of carrying out whole harvesting to the leek.

(3) Through setting up two first deflector, form the district of reaping between two first deflector, and the position of first deflector can be changed to the driving piece to make reaping direction and the reaping scope in reaping the district also can follow the adjustment, improve the practicality of whole harvester greatly.

Drawings

Fig. 1 is a perspective view of a leek harvester provided by the application.

Fig. 2 is an enlarged schematic view of the guide assembly provided in the present application mounted to the head frame.

Fig. 3 is a front view of the guide assembly provided in the present application mounted to the head frame in an enlarged state.

Fig. 4 is a perspective view of the guide assembly of the present application in an enlarged state.

Fig. 5 is a perspective view of the angle grinder assembly of the present application in an enlarged state.

In the figure: 1. a vehicle body; 2. a handpiece assembly; 21. a head frame; 22. an angle grinder assembly; 221. a mounting frame; 222. a cutting disc; 223. a second motor; 23. a transport assembly; 231. a transmission assembly; 232. a conveyor belt assembly; 24. a guide assembly; 241. a mounting plate; 242. a driving member; 243. a guide plate; 244. a connecting plate; 2441. a slit hole; 245. a baseboard; 246. a connecting rod; 247. a first guide plate; 248. a second guide plate; 249. a harvesting area; 25. and a plunger.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied. The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-5, an embodiment of the present application provides a controllable leek harvester of aircraft nose, including automobile body 1 and aircraft nose assembly 2, aircraft nose assembly 2 includes aircraft nose frame 21, angle mill unit 22, conveying component 23 and two direction components 24, aircraft nose frame 21 installs in the place ahead of automobile body 1, angle mill unit 22 sets up on the aircraft nose frame 21 and keeps away from one side of automobile body 1, conveying component 23 installs on aircraft nose frame 21, the one end of conveying component 23 aligns angle mill unit 22, the other end of conveying component 23 aligns automobile body 1, angle mill unit 22 is suitable for carrying in automobile body 1 through conveying component 23, two direction components 24 are installed in the front end of aircraft nose frame 21 symmetrically, direction component 24 can rotate round aircraft nose frame 21, through setting up two direction components 24, can adjust the harvesting scope between two direction components 24 according to actual conditions, even in the actual harvesting process, even when the steering direction of the harvester takes place the skew, can also through adjusting the position of two direction components 24 and carrying out the position to carry out the windk in the windk field, the windk can not all can improve the practicality that the windk harvesting will not appear greatly. The guide assembly 24 comprises a guide piece, a mounting plate 241 and a driving piece 242, wherein the guide piece is mounted on the machine head frame 21 and arranged in front of the angle grinder assembly 22, one end of the mounting plate 241 is fixed on the machine head frame 21, the mounting plate 241 is fixedly provided with an inserting rod 25, one end of the guide piece is sleeved on the outer side of the inserting rod 25 through a bearing, one end of the driving piece 242 is fixed on the machine head frame 21, the other end of the driving piece 242 is connected with the guide piece, and the driving piece 242 is suitable for driving the guide piece to rotate through the inserting rod 25. When the driving direction is deviated, the guiding assembly 24 will also deviate, at this time, the guiding assembly 24 cannot fully harvest the leeks in the leek field, and the driving member 242 needs to be started, and the driving member 242 can adjust the positions of the two guiding members according to the actual situation, so that the leeks to be harvested can be fully located between the two guiding members, and under the guiding action of the two guiding members, the leeks in the leek field can fully enter the angle grinder assembly 22, the angle grinder assembly 22 can harvest the leeks, and the leeks are conveyed into the vehicle body 1 through the conveying assembly 23, thereby harvesting the leeks. Through setting up inserted bar 25, and the one end of guide passes through the bearing and installs on mounting panel 241, from this driving piece 242 when promoting the guide and move, the guide can rotate round inserted bar 25 to reach the purpose of adjusting the distance between two guides, also ensured the stability when the guide moves simultaneously, thereby realized can adjust the reaping range between two guides according to the actual growth condition of leek in the reaping land, improved the practicality of whole leek harvester greatly.

Referring to fig. 2-4, the guide member includes a guide plate 243, a connection plate 244 and a baseboard 245, one end of the connection plate 244 is mounted on the insert rod 25 through a bearing, the other end of the connection plate 244 is connected with the guide plate 243, the guide plate 243 is arranged in a downward inclined manner from the connection position with the connection plate 244, the lower end of the guide plate 243 is inserted into the bottom of the leek land, the leek to be harvested is conveniently and fully contained in a harvesting area 249 between the two guide plates 243, preparation is made for harvesting leeks by the subsequent angle grinder assembly 22, meanwhile, the integrity of harvesting the leeks by the angle grinder assembly 22 is improved, and the condition of missing cutting in the harvesting process is avoided. The baseboard 245 is arranged below the guide plate 243, one end of the baseboard 245 is fixed at the lower end of the guide plate 243, the other end of the baseboard 245 is arranged on the inserting rod 25 through a bearing, the other end of the baseboard 245 is also arranged on the inserting rod 25 through a bearing installation mode, and the joint of the baseboard 245 and the inserting rod 25 is arranged below the joint of the connecting plate 244 and the inserting rod 25, so that the stability of the whole guide piece during rotation around the inserting rod 25 is further improved, and the accuracy of the whole guide piece in adjusting the harvesting range of the whole guide piece is improved. Be equipped with connecting rod 246 on the connecting plate 244, connecting rod 246 is connected to the driving piece 242, and driving piece 242 is suitable for driving the guide through connecting rod 246 and rotates, promotes connecting rod 246 through driving piece 242, and connecting rod 246 promotes the guide and rotates round inserted bar 25 to reach the purpose of adjusting the reaping range between two guides, whole operation process is simple convenient, can rationally adjust the reaping range between two guides according to actual conditions, improves whole leek harvester's practicality greatly.

Referring to fig. 3-4, the guide plate 243 includes a first guide plate 247 and a second guide plate 248, the second guide plate 248 is fixedly connected to the first guide plate 247, the first guide plate 247 and the second guide plate 248 can enclose an inverted V-shaped structure, and the inverted V-shaped structure can separate leeks within a harvesting range and leeks outside the harvesting range. The harvesting area 249 is defined between the two first guide plates 247, and under the action of the two first guide plates 247, the leeks within the harvesting area 249 can be guided into the angle grinder assembly 22, and then the angle grinder assembly 22 can harvest the guided leeks.

Referring to fig. 4, the first guide plates 247 are in a triangular structure, the first guide plates 247 are obliquely arranged from the connection position with the second guide plates 248 to the direction of the harvesting area 249, and the distances between the two first guide plates 247 from the inlet of the harvesting area 249 to the direction of the angle grinder assembly 22 are gradually reduced, so that the harvesting area 249 forms a structure with gradually reduced opening, the leeks in the harvesting area 249 can enter the angle grinder assembly 22 completely, and the angle grinder assembly 22 can harvest all the leeks in the harvesting area 249. Through setting up two first deflector 247, can lead to the leek effectively for the leek that waits to reap can all get into angle mill subassembly 22 in, improves angle mill subassembly 22 greatly and reaps the stability of leek, can not cause the damage to the leek when making to reap the leek.

Referring to fig. 4, the connection between the first guide plate 247 and the second guide plate 248 is a smooth arc structure, which can prevent the first guide plate 247 and the second guide plate 248 from damaging the leeks during guiding, so that the harvested leeks remain intact.

Referring to fig. 3, the skirting 245 includes two installation sections and a connection section, the two installation sections are horizontal structures, the connection section is an inclined structure, the two ends of the connection section are respectively connected with the installation sections, the connection section is arranged in an upward inclined manner from the direction of the inserted link 25, through setting up two installation sections, one end of one installation section is connected with the guide plate 243, the other end is connected with one end of the connection section, one end of the other installation section is installed below the inserted link 25 through a bearing, the other end of the other installation section is connected with the other end of the connection section, the two installation sections are arranged into a horizontal structure, the stability of the connection section in connection with other structures can be guaranteed, and the connection section is arranged to be inclined upward from the direction of the inserted link 25 to the direction of the guide plate 243, so that the skirting 245 can be matched with the guide plate 243 to separate leeks in a harvesting range and leeks out of the harvesting range when the leeks are harvested, the problem that the leeks out of the harvesting range are damaged when the leeks are prevented from being harvested is solved, and the problem that the leeks are arranged in disorder, are difficult to sell and more manual and repeated tidying is needed is solved.

Referring to fig. 4, the driving member 242 is an air cylinder, a connecting plate 244 is provided with a long hole 2441, one end of the connecting rod 246 is fixedly connected with the driving member 242, the other end of the connecting rod 246 is inserted into the long hole 2441, the driving member 242 can push the mounting plate 241 to rotate around the inserting rod 25 through the connecting rod 246, when the connecting rod 246 is pushed by the driving member 242, the connecting rod 246 can push the connecting plate 244 to rotate around the inserting rod 25 while the connecting rod 246 can move in the long hole 2441, and the purpose of adjusting the harvesting range of the harvesting machine is achieved.

Referring to fig. 5, the angle grinder assembly 22 includes a mounting frame 221 and two cutting disks 222, the upper end of the mounting frame 221 is fixed to the head frame 21, and the two cutting disks 222 are respectively mounted on the mounting frame 221. The second motor 223 is arranged on each cutting disc 222, the second motor 223 can drive the cutting discs 222 to rotate, the rotation directions of the two cutting discs 222 are opposite, when the two first guide plates 247 guide the Chinese chives to be harvested to the angle grinder assembly 22, the second motor 223 is started, the second motor 223 can drive the two cutting discs 222 to rotate, and the cutting discs 222 can cut the Chinese chives to achieve the purpose of harvesting the Chinese chives. Through setting up two cutting trays 222 in this application, and two cutting trays 222 are respectively according to positive and negative two direction (contrary/clockwise) staggered rotation, the rotational speed is even adjustable, utilize the principle of crisscross bite line cutting to cut the leek in one time of similar scissors mouth, keep the leek to cut promptly and cut back end neat, obtain holistic better selling looks, can improve again and reap efficiency and really realize mechanized automatic harvesting operation, single cutting tray 222 needs to smash through many times in the trade, the leek is arranged messy, sell looks unsightly, need more manual work repeated arrangement after reaping, long-term the problem of leaving unable harvesting practicality after the machinery is tried out.

Referring to fig. 5, the cutting discs 222 have a circular structure, two cutting discs 222 are operated at a constant speed in opposite directions, and the two cutting discs 222 are installed in a staggered manner up and down and partially overlap.

Referring to fig. 1, the conveying assembly 23 includes a driving assembly 231 and a conveying belt assembly 232, the driving assembly 231 is mounted on the vehicle body 1 and is disposed below the head frame 21, one end of the conveying belt assembly 232 is connected with the driving assembly 231, the other end of the conveying belt assembly 232 is aligned with the cutting disc 222, the leeks cut by the cutting disc 222 enter the conveying belt assembly 232, the driving assembly 231 can drive the conveying belt assembly 232 to move, the harvested leeks are conveyed into the vehicle body 1, the driving assembly 231 includes a mounting frame 221, a chain, a motor and two mounting rods, the mounting frame 221 is mounted on the vehicle body 1, one end of the chain is connected with the mounting rods, the other end of the chain is connected with the motor, the motor can drive the mounting rods to rotate through the chain, the conveying belt assembly 232 includes a conveying belt and two pairs of conveying belt rollers, two ends of the conveying belt rollers are respectively sleeved on the conveying belt rollers, one pair of conveying belt rollers are respectively mounted on the mounting rods, and the other pairs of conveying belt rollers are disposed at the front ends of the angle grinder. When the leek is required to be conveyed, the transmission assembly 231 can be started, and the transmission assembly 231 can drive the conveying belt assembly 232 to rotate, so that the purpose of conveying the harvested leeks by the angle grinder assembly 22 is achieved.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims (10)

1. A head-controllable leek harvester, comprising: vehicle body (1) and head assembly (2), characterized in that the head assembly (2) comprises

A head frame (21), wherein the head frame (21) is mounted in front of the vehicle body (1);

an angle grinder assembly (22), the angle grinder assembly (22) being arranged on a side of the nose frame (21) remote from the vehicle body (1);

-a conveying assembly (23), said conveying assembly (23) being mounted on said head frame (21), one end of said conveying assembly (23) being aligned with said angle grinder assembly (22), the other end of said conveying assembly (23) being aligned with said vehicle body (1), said angle grinder assembly (22) harvesting leeks being adapted to be conveyed into said vehicle body (1) by said conveying assembly (23);

two guide assemblies (24), wherein the two guide assemblies (24) are symmetrically arranged at the front end of the head frame (21), the guide assemblies (24) can rotate around the head frame (21), and the guide assemblies (24) comprise

A guide mounted on the head frame (21) and provided in front of the angle grinder assembly (22);

the device comprises a mounting plate (241), wherein one end of the mounting plate (241) is fixed on a machine head frame (21), an inserting rod (25) is arranged on the mounting plate (241), the inserting rod is fixed on the mounting plate, and one end of the guide piece is sleeved on the outer side of the inserting rod through a bearing;

the driving piece (242), one end of the driving piece (242) is fixed on the machine head frame (21), the other end of the driving piece (242) is connected with the guide piece, and the driving piece (242) is suitable for driving the guide piece to rotate around the inserted link (25).

2. The machine head-controllable leek harvester as in claim 1, characterized in that the guide member comprises a guide plate (243), a connecting plate (244) and a baseboard (245), one end of the connecting plate (244) is mounted on the inserting rod (25) through a bearing, the other end of the connecting plate (244) is connected with the guide plate (243), the guide plate (243) is arranged in a downward inclined manner from a connection position with the connecting plate (244), the baseboard (245) is arranged below the guide plate (243), one end of the baseboard (245) is fixed at the lower end of the guide plate (243), the other end of the baseboard (245) is mounted on the inserting rod (25) through a bearing, a connecting rod (246) is arranged on the connecting plate (244), the driving member (242) is connected with the connecting rod (246), and the driving member (242) is suitable for driving the guide member to rotate through the connecting rod (246).

3. The machine head controllable leek harvester as in claim 2, characterized in that the guide plates (243) comprise a first guide plate (247) and a second guide plate (248), the second guide plate (248) is fixedly connected to the first guide plate (247), the first guide plate (247) and the second guide plate (248) are enclosed into an inverted V-shaped structure, a harvesting area (249) is enclosed between the two first guide plates (247), and the two first guide plates (247) are adapted to guide leeks in the harvesting area (249) into the angular mill assembly (22).

4. A machine head controllable leek harvester as in claim 3, characterised in that the first guide plates (247) are of triangular structure, the first guide plates (247) are arranged obliquely from the connection with the second guide plates (248) towards the harvesting zone (249), and the distance between the two first guide plates (247) from the inlet of the harvesting zone (249) towards the angle grinder assembly (22) is gradually reduced.

5. The machine head controllable leek harvester as in claim 4, characterized in that the junction of the first guide plate (247) and the second guide plate (248) is a smooth arc-shaped structure.

6. The machine head-controllable leek harvester as set forth in claim 5, characterized in that the floor (245) comprises two mounting sections (2451) and a connecting section (2452), the two mounting sections (2451) are both in a horizontal structure, the connecting section (2452) is in an inclined structure, two ends of the connecting section (2452) are respectively connected with the mounting sections (2451), and the connecting section (2452) is arranged obliquely upwards from the direction of the inserting rod (25).

7. The machine head-controllable leek harvester according to any one of claims 1-6, characterized in that the driving member (242) is an air cylinder, a strip hole (2441) is formed in the connecting plate (244), one end of the connecting rod (246) is fixedly connected with the driving member (242), the other end of the connecting rod (246) is inserted into the strip hole (2441), and the driving member (242) can push the mounting plate (241) to rotate around the inserting rod (25) through the connecting rod (246).

8. The machine head-controllable leek harvester as set forth in claim 7, characterized in that the angle grinder assembly (22) comprises a mounting frame (221) and two cutting discs (222), the upper ends of the mounting frame (221) are fixed on the machine head frame (21), the two cutting discs (222) are respectively mounted on the mounting frame (221), a motor two (223) is arranged on each cutting disc (222), and the motor two (223) can drive the cutting discs (222) to rotate, and the rotation directions of the two cutting discs (222) are opposite.

9. The machine head-controllable leek harvester as set forth in claim 8, characterized in that the cutting discs (222) are of circular structure, two of the cutting discs (222) are operated at opposite constant speed, and the two cutting discs (222) are installed in a staggered manner.

10. The machine head-controllable leek harvester as set forth in claim 9, characterized in that the conveying assembly (23) includes a transmission assembly (231) and a conveying belt assembly (232), the transmission assembly (231) is mounted on the vehicle body (1) and disposed below the machine head frame (21), one end of the conveying belt assembly (232) is connected with the transmission assembly (231), and the other end of the conveying belt assembly (232) is aligned with the cutting disc (222).