CN211671405U

CN211671405U - Harvester for vegetable head

Info

Publication number: CN211671405U
Application number: CN201922468801.1U
Authority: CN
Inventors: 庞有伦; 张涛; 宋树民; 吴瑜; 邵伟兴; 王圆明; 唐兴隆
Original assignee: Chongqing Academy of Agricultural Sciences
Current assignee: Chongqing Academy of Agricultural Sciences
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a first harvester of green vegetables, which comprises a frame, running gear and cutting conveyor, the assembly is carried including the frame to this cutting, the vegetable leaf excision subassembly, rhizome cutting device and flexible clamp send the device, this flexible clamp send the device to include first centre gripping conveying component, second centre gripping conveying component and flexible adjustment mechanism, this first centre gripping conveying component and this second centre gripping conveying component set up relatively, form between this first centre gripping conveying component and this second centre gripping conveying component and right and press from both sides the clamp of sending this head and send the passageway, this flexible adjustment mechanism is used for the width of sending the passageway should pressing from both sides according to the regulation of the size self-adaptation of this head. The utility model discloses a first harvester of green vegetables makes the green vegetables head get into to press from both sides the in-process of sending the passageway and is held right and the centre gripping, and press from both sides the width of sending the passageway and according to the big or small self-adaptation regulation of the head of green vegetables head, can effectively press from both sides the green vegetables head of sending the variation in size, has improved the reliability that the green vegetables head transported, has reduced the damage rate that the green vegetables head transported the in-process.

Description

Harvester for vegetable head

Technical Field

The utility model relates to agricultural machinery especially relates to a green vegetable head harvester.

Background

The vegetable head is also called as vegetable head lump, is a vegetable and is also a main raw material for producing hot pickled mustard tuber, the vegetable head in the vegetable field comprises vegetable leaves, a head part and a root part, but the vegetable leaves and the root part are removed no matter fresh vegetable head is used for making dishes or hot pickled mustard tuber, and only the head part is left for eating.

When the mechanical harvesting of the vegetable heads is carried out, the vegetable leaves and roots of the vegetable heads need to be removed, and the vegetable stems of the vegetable heads are conveyed into the collecting device through the conveying device. The existing vegetable head harvester is provided with a vegetable leaf cutting device for cutting vegetable leaves, a rhizome cutting and separating device for cutting vegetable stems from roots of vegetable heads and a conveying device for conveying the separated vegetable stems to a target position, wherein the vegetable leaf cutting device is arranged at the front end of the whole vegetable head harvester in a hanging mode, a collecting bearing plate for collecting the vegetable stems separated from the roots is arranged behind a cutting knife of the rhizome cutting and separating device, the rear end of the bearing plate is an arc plate section, when the vegetable heads are harvested, the vegetable leaves are cut off by the vegetable leaf cutting device firstly, the vegetable stems are cut off from the roots by the rhizome cutting device, the vegetable stems are squeezed into the collecting bearing plate, and then the vegetable stems are stirred into the next position by a rotating stirring sheet to be conveyed.

The existing harvesting device for the head of the green vegetable has the following problems:

firstly, in the existing vegetable head harvester, because the vegetable heads are different in growth conditions, crisp, tender and easy to damage and different in size, some vegetable heads are too small, the tail ends of the shifting pieces cannot contact the small vegetable heads, the shifting pieces may not be shifted to the small vegetable heads, and some vegetable heads are too large, and in the shifting process, the shifting pieces may be extruded and damaged, even the shifting pieces may be clamped, so that equipment failure is caused;

secondly, when the existing vegetable head harvester cuts vegetable leaves, if the vegetable heads cannot stably grow in soil or the whole vegetable head obliquely grows, the vegetable leaves cannot be smoothly cut and separated easily, and the impurity content is high;

thirdly, due to uneven ground surface, the height of the combination position of the vegetable stem and the root is inconsistent, the root can only be cut off at the same height by the existing vegetable head harvesting device, and the vegetable stem is often cut or the vegetable leaves are not collected.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a green vegetable head harvester to improve the reliable results to the green vegetable head of equidimension not, reduce the harm of green vegetable head at the transport, and reduce the probability of equipment jamming, thereby improve the reliability that the green vegetable head transported.

In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:

the utility model provides a green vegetable head harvester, includes the harvester main part and with the cutting conveyor of harvester main part connection, the harvester main part includes frame and running gear, running gear sets up the frame bottom, cutting conveyor includes:

the first support frame is arranged on the harvester main body;

a rhizome cutting assembly for cutting the stem and root of the head of a green vegetable, the rhizome cutting assembly being provided on the first support frame;

a flexible clamping and conveying component for clamping and conveying the vegetable stem of the vegetable head, the flexible clamping and conveying component is arranged on the first support frame,

a vegetable leaf cutting assembly for cutting vegetable from the vegetable head, the vegetable leaf cutting assembly being disposed on the flexible pinch assembly;

the flexible clamping and conveying assembly comprises a first clamping and conveying component, a second clamping and conveying component and a flexible adjusting mechanism, the first clamping and conveying component and the second clamping and conveying component are arranged oppositely, a clamping and conveying channel for righting and clamping the vegetable stem is formed between the first clamping and conveying component and the second clamping and conveying component, and the flexible adjusting mechanism is used for adaptively adjusting the distance between the first clamping and conveying component and the second clamping and conveying component according to the size of the vegetable stem.

Optionally, the rhizome cutting assembly starts to cut and separate the root of the head of the green vegetable and the vegetable stem at the first cutting position;

the vegetable leaf cutting assembly starts to cut and separate vegetable stems and vegetable leaves of the vegetable heads at a second cutting position;

wherein the first cutting position is located right below an initial pinching position of the pinching passage; the second cutting position is located right above the middle position of the pinch channel.

Optionally, the first clamping and conveying component and the second clamping and conveying component each include:

a mounting bracket disposed on the first support frame,

a pinch drive pulley mounted on the first support frame;

a pinch driven pulley mounted on the first support frame;

a grip conveyor belt tensioned over the pinch drive pulley and the pinch driven pulley,

the motor is arranged on the mounting frame and used for providing the rotary power of the pinch driving belt pulley;

in the same group of flexible clamping and conveying assemblies, clamping surfaces used for forming the clamping and conveying channels are arranged on the clamping conveying belts on the first clamping conveying component and the clamping conveying belts on the second clamping conveying component.

Optionally, the flexible adjusting mechanism includes at least two sub-elastic mechanisms, each sub-elastic mechanism is configured to provide a self-adaptive elastic driving force that tends to cause the first clamping and conveying component or the second clamping and conveying component to approach the direction of the pinch channel, and each sub-elastic mechanism is disposed between the first support frame and the corresponding clamping and conveying component.

Optionally, the leaf cutting assembly includes:

the cantilever is arranged on the first support frame, and one end of the cantilever is suspended right above the clamping and conveying channel;

the circular saw is rotatably arranged at one suspended end of the cantilever to be positioned right above the clamping and conveying channel,

the vegetable leaf cutting driving chain wheel is coaxially arranged with the pinch driven belt wheel or the pinch driving belt wheel and synchronously rotates;

the vegetable leaf cutting driven chain wheel is coaxially arranged with the circular saw and synchronously rotates; and

a leaf cutting drive chain tensioned over the leaf cutting drive sprocket and the leaf cutting driven sprocket.

Optionally, the cutting and conveying device further comprises a reel for shifting the vegetable head into the clamping and conveying channel, the clamping and conveying driven belt wheel at the foremost end of each group of clamping and conveying components is coaxially arranged with the corresponding reel, and the reel comprises a central installation part and a plurality of shifting claws which are circumferentially and uniformly distributed on the central installation part.

Optionally, a rotating shaft is arranged at the front end of the harvester main body, and the cutting and conveying device is mounted on the rotating shaft, so that the cutting and conveying device falls on the ground under the action of self weight and swings up and down around the rack according to the height of the ground.

Optionally, the rhizome splitting assembly includes:

a cutting knife is arranged on the upper portion of the cutting knife,

the swinging pieces are rotatably arranged on both sides of the first support frame, the two ends of the cutting knife are correspondingly hinged on the swinging pieces on both sides of the first support frame one by one and swing back and forth along with the swinging pieces,

a rhizome division driving sprocket mounted on the rotating shaft to rotate with the rotating shaft,

a rhizome-divided driven sprocket rotatably mounted on the first support frame, the rhizome-divided driven sprocket being driven by the rhizome-divided driving sprocket to rotate; and

one end of the follow-up rocker is eccentrically hinged with the rhizome division driven chain wheel, and the other end of the follow-up rocker is hinged on the swinging piece;

the rotary axis of the rhizome cutting driving sprocket and the rotary axis of the rhizome cutting driven sprocket are horizontal axes, and the rotary axis between the follow-up rocker and the swinging piece, the rotary axis of the swinging piece rotating around the first support frame and the rotary axis between the cutting knife and the swinging piece are vertical axes perpendicular to the horizontal axes.

Optionally, the harvester main body further comprises:

the vegetable stem collecting tank is positioned in the top area of the rear end of the rack;

the lifting conveying mechanism is used for conveying the vegetable stems sent out by the cutting conveying device into the vegetable stem collecting tank, the lifting conveying mechanism is obliquely arranged and comprises a second supporting frame, a driving conveying belt wheel, a driven conveying belt wheel and a conveying belt; and

one end of the lifting support mechanism is hinged to the rack, and the other end of the lifting support mechanism is hinged to the second support frame;

the vegetable stem collecting tank is arranged on the vegetable stem collecting tank, the driving conveying belt wheel is close to the vegetable stem collecting tank, the driving conveying belt wheel and the driven conveying belt wheel are rotatably arranged on the second supporting frame, the rotating shaft is arranged at the front end of the second supporting frame, and the driven conveying belt wheel is arranged on the rotating shaft, so that the driven conveying belt wheel drives the rotating shaft to rotate.

Optionally, the harvester main body further comprises a power assembly, the power assembly comprises an engine, a generator, a primary driving wheel, a primary transmission belt, a primary driven wheel, a speed reducer, a secondary driving wheel, a secondary driven wheel and a secondary transmission chain, the engine, the generator, the primary driving wheel, the primary driven wheel, the speed reducer and the secondary driving wheel are all mounted on the frame, a belt transmission structure is arranged between the output end of the engine and the input end of the generator, partial power of the engine is transmitted to the driving belt wheel after sequentially passing through the primary driving wheel, the primary transmission belt, the primary driven wheel, the speed reducer, the secondary driving wheel, the secondary transmission chain and the secondary driven wheel, the primary driving wheel is arranged at the output end of the engine, the primary driven wheel is arranged at the input end of the speed reducer, the secondary driving wheel is arranged at the output end of the speed reducer, the secondary driven wheel is positioned above the secondary driving wheel, and the secondary driven wheel and the driving conveying wheel are coaxially arranged;

the rack is further provided with a clutch, the clutch comprises an operating handle and a clutch wheel, and the clutch wheel is driven by the operating handle to tension or loosen the secondary transmission chain

The utility model discloses following beneficial effect has at least:

the utility model discloses a first harvester of green vegetables makes the green vegetables head in-process that gets into to press from both sides the passageway rightly, and press from both sides the width of sending the passageway and according to the big or small self adaptation of the head of green vegetables head and adjust, not only can reduce the green vegetables head and carry the probability damaged, reduce the equipment jamming risk, and can effectively press from both sides the green vegetables head of sending the variation in size, improved the reliability that the green vegetables head transported.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the green vegetable head harvester of the invention;

FIG. 2 is a left side view of the greengrocery head harvester with a portion of the housing removed;

fig. 3 is a right side view of the vegetable head harvester of the present invention after the lifting and conveying mechanism is partially cut open;

FIG. 4 is an enlarged view of a portion of FIG. 1;

FIG. 5 is a schematic view of a partial structure of the cutting conveyor;

fig. 6 is a partial structural schematic view of the cutting and conveying device (only the reference numbers are different from those in fig. 5);

FIG. 7 shows a partial left side view of the cutting conveyor;

FIG. 8 is a schematic view of the distribution of the first paddle and the second paddle;

FIG. 9 is a schematic view of the power train assembly at a viewing angle;

fig. 10 is a schematic view of the installation structure of the powertrain from another perspective.

Description of reference numerals in the examples:

a machine frame 100,

A traveling mechanism 200,

A cutting and conveying device 300, a first cutting position A, a second cutting position B,

A first support frame 310, a support part 311, a bearing part 312,

A rhizome cutting assembly 320, a cutter 321, a swinging member 322, a rhizome cutting drive sprocket 323, a rhizome cutting driven sprocket 324, a follower rocker 325,

A leaf cutting assembly 330, a cantilever 331, a circular saw 332,

A flexible clamping and conveying component 340, a first clamping and conveying component 341, a second clamping and conveying component 342, a flexible adjusting mechanism 343, a clamping and conveying channel 340a,

A mounting rack 301, a pinch driving pulley 302, a pinch driven pulley 303, a clamping conveyer belt 304, a motor 305,

An upper mounting plate 3011, a lower mounting plate 3012, a connecting shaft 3013, a first pick 341a, a second pick 342a,

A first bullet mechanism 3431, a first slide shaft 34311, a first compression spring 34312, a slide base 34313, a bearing 34314, a second bullet mechanism 34311, a first compression spring 34312, a second compression spring 34313, a second compression spring 34314, a third compression spring 34312, a fourth compression spring 34314, a fourth compression spring 34312, a,

A second bullet mechanism 3432, a second slide shaft 34321, a second compression spring 34322, a slide part 34323, a U-shaped hole 34323a,

A partial width adjusting mechanism 3433, a torsion spring 34331, a rotation arm 34332, an auxiliary pinch roller 34333,

A reel 350, a central mounting part 351, a poking claw 352, a reel arc surface 350a,

A vegetable stem collecting tank 400, a discharge port 401,

A lifting conveying mechanism 500, a second support frame 510, a driving conveying belt wheel 520, a driven conveying belt wheel 530, a conveying belt 540, a lifting supporting mechanism 550, a rotating shaft 501,

The device comprises an engine 610, a generator 620, a primary driving wheel 630, a primary driven wheel 640, a first transmission belt 650, a speed reducer 660, a secondary driving wheel 670, a secondary driven wheel 680, a secondary transmission chain 690, a clutch wheel 601 and an operating handle 602.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

It is to be understood that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, like reference numerals refer to like elements throughout.

For the convenience of understanding, in the following embodiments, "front" and "rear" are referred to in a one-to-one correspondence with the front and rear directions of the whole harvester.

Referring to fig. 1 to 10 in combination, the utility model discloses a green vegetable head harvester, harvester main part and the cutting conveyor 300 who is connected with the harvester main part, the harvester main part includes frame 100 and running gear 200, running gear 200 sets up frame 100 bottom, cutting conveyor 300 includes:

a first support frame 310, the first support frame 310 being disposed on the harvester body;

a rhizome cutting assembly 320 for cutting the stem and root of the head of a vegetable, the rhizome cutting assembly 320 being provided on the first support frame 310 for a year;

a flexible clamping and conveying assembly 340, which is used for clamping and conveying the vegetable stem of the vegetable head, wherein the flexible clamping and conveying assembly 340 is arranged on the first supporting frame 310,

a vegetable leaf cutting assembly 330 for cutting vegetable from a vegetable head, said vegetable leaf cutting assembly 330 being disposed on said flexible pinch assembly 340;

the flexible clamping and conveying assembly 340 comprises a first clamping and conveying component 341, a second clamping and conveying component 342 and a flexible adjusting mechanism 343, the first clamping and conveying component 341 and the second clamping and conveying component 342 are oppositely arranged, a clamping and conveying channel 340a for righting and clamping the vegetable stem is formed between the first clamping and conveying component 341 and the second clamping and conveying component 342, and the flexible adjusting mechanism 343 is used for adaptively adjusting the distance between the first clamping and conveying component 341 and the second clamping and conveying component 342 according to the size of the vegetable stem.

During the results, the green vegetable head is held up at the in-process that gets into to press from both sides and send passageway 340a, presss from both sides the width of sending passageway 340a and according to the size self-adaptation regulation of the dish stem of green vegetable head, not only can reduce the green vegetable head and carry the probability that is damaged, reduce equipment jamming risk, and can effectively press from both sides and send the green vegetable head of variation in size, improved the reliability that the green vegetable head transported.

In some embodiments, the number of the flexible pinch assemblies 340 is two, and in actual implementation, the flexible pinch assemblies 340 are provided only in one set or in multiple sets.

In some embodiments, the rhizome-splitting assembly 320 begins to cut and separate the root of the head of the green vegetable and the stem of the vegetable at the first cutting position a; the vegetable leaf cutting assembly 330 starts to cut and separate the vegetable stem and the vegetable leaf of the vegetable head at the second cutting position B; wherein the first cutting position a is located directly below the initial pinching position of the pinching passage 340 a; the second cutting position B is located directly above the middle position of the pinch passage 340A.

When the vegetable heads enter the clamping and conveying position of the clamping and conveying channel 340a during harvesting, the root and stem cutting assembly 320 starts to cut the vegetable heads to separate the vegetable stems from the roots, the flexible clamping and conveying assembly 340 conveys the vegetable stems with the vegetable leaves to the rear end of the clamping and conveying channel 340a until the vegetable stems reach the second cutting position B, the vegetable leaves on the vegetable leaf cutting assembly 330 are cut off from the vegetable stems, and the rest vegetable stem parts are conveyed to the next target position under the action of the flexible clamping and conveying assembly 340.

In some embodiments, the cutting and conveying device 300 further comprises a reel 350 for turning the vegetable heads into the pinch channel 340 a.

In some embodiments, the front end of the pinch channel 340a is a guide channel for guiding the green vegetable head into the pinch channel 340a, and the width of the guide channel gradually decreases from the front end to the rear end of the pinch channel 340a, so that the obliquely-grown green vegetable head and the green vegetable head deviated from the pinch channel 340a are both included in the pinch channel 340a to be pinched, and the harvesting reliability of the green vegetable head is improved. For example, referring to fig. 6, the guide channel may be a V-shaped channel.

In some embodiments, the first and second nip

transport members

341 and 342 each include:

a mounting bracket 301 disposed on the first support frame 310,

a pinch drive pulley 302 mounted on the first support frame 310;

a pinch driven pulley 303 mounted on the first support frame 310;

a pinch conveyor belt 304, the pinch conveyor belt 304 being tensioned over the pinch drive pulley 302 and the pinch driven pulley 303,

a motor 305 mounted on the mounting bracket 301, wherein the motor 305 is used for providing the rotation power of the pinch driving pulley 302;

in the same set of flexible pinch assemblies 340, the clamping conveyer belt 304 on the first clamping conveyer member 341 and the clamping conveyer belt 304 on the second clamping conveyer member 342 are provided with clamping surfaces for forming the pinch channel 340 a.

When in clamping, the power output by the motor 305 drives the clamping driving belt pulley 302 to rotate, the clamping driven belt pulley 303 is driven by the clamping driving belt pulley 302 to rotate, and the green vegetable head is clamped by the clamping surfaces of the two clamping conveying parts and is conveyed to the outlet of the clamping channel 340 a.

In some embodiments, the bottom of the mounting bracket 301 is provided with a bearing part 312 for bearing the vegetable heads separated from the roots.

In some embodiments, referring to fig. 8, a plurality of first shifting pieces 341a are disposed on the clamping conveyer belt 304 of the first clamping conveyer component 341, a plurality of second shifting pieces 342a are disposed on the clamping conveyer belt 304 of the second clamping conveyer component 342, and the first shifting pieces 341a and the second shifting pieces 342a are arranged in pairs, so that two adjacent pairs of the first shifting pieces 341a and the second shifting pieces 342a enter the clamping passage and then form a surrounding space together with the first clamping conveyer component 341 and the second clamping conveyer component 342, which is beneficial to more orderly and more reliable conveying of the green vegetables.

In some embodiments, the pinch driven pulleys 303 at the foremost end of each group of gripping and conveying members are coaxially arranged with the corresponding reel 350, and the reel 350 comprises a central mounting portion 351 and a plurality of pulling claws 352 uniformly distributed on the central mounting portion 351 in the circumferential direction.

In some embodiments, the poking claw 352 is a circular arc claw, and when the seedling poking member 350 rotates along with the pinch driven pulley 303, the poking claw 352 has a seedling poking circular arc surface 350a, and the circle center of the seedling poking circular arc surface 350a deviates from the poked vegetable head when the vegetable head is poked. When the grass is pulled, the grass heads are pulled into the clamping and conveying channel 340a by the grass pulling arc surfaces of the two corresponding grass pulling pieces 350 on the two clamping and conveying components, and then the grass heads are separated under the action of rotating force. The poking claw 352 with the structure is beneficial to the poking claw 352 which is poked by the vegetable head to smoothly separate from the vegetable head, and the damage to the vegetable head in the process of poking the vegetable head by the poking claw is reduced.

In some embodiments, the flexibility adjusting mechanism 343 includes at least two sub-elastic mechanisms, each of which is configured to provide an adaptive elastic driving force that tends to approach the first gripper conveying component 341 or the second gripper conveying component 342 toward the direction of the pinch channel 340a, and each of the sub-elastic mechanisms is disposed between the first supporting frame 310 and the corresponding gripper conveying component.

In some embodiments, the flexibility adjusting mechanism 343 may include a first sub-flexible mechanism 3431 and a second sub-flexible mechanism 3432, each of the first sub-flexible mechanism 3431 and the second sub-flexible mechanism 3432 includes a sliding shaft disposed on the first support frame 310 and a compression spring sleeved on the sliding shaft, the mounting frame 301 is slidably mounted on the sliding shaft, one end of the compression spring directly or indirectly abuts against the mounting frame 301, and the other end of the compression spring directly or indirectly abuts against the first support frame 310.

When the vegetable head passes through the clamping and conveying channel 340a during harvesting, if the size is large, the vegetable head applies acting force to the first clamping and conveying component 341 and the second clamping and conveying component 342, the two clamping and conveying components can slide away from each other on the sliding shaft by overcoming the elastic force of the compression spring by the acting force, so that the clamping and conveying channel 340a is enlarged, and if the size is small, the elastic force of the compression spring pushes the two clamping and conveying components to the direction of approaching each other, so that the clamping and conveying channel 340a is correspondingly narrowed.

In some embodiments, referring to fig. 5 and 6, the mounting block 301 includes an upper mounting plate 3011, a lower mounting plate 3012, and a connecting shaft 3013 connected between the upper mounting plate 3011 and the lower mounting plate 3012.

In some embodiments, referring to fig. 5 and 6, in the first bullet-shaped mechanism 3431, the corresponding sliding shaft is a first sliding shaft 34311, the corresponding compression spring is defined as a first compression spring 34312, the first sliding shaft 34311 is mounted on the first support frame 310 through a bearing 34314, the bearing 34314 is located at the outer end of the first sliding shaft 34311, a first sliding seat 34313 is integrally disposed on the connecting shaft 3013 closest to the rear end of the mounting frame 301, the first sliding seat 34313 is slidably sleeved on the first sliding shaft 34311, one section of the first compression spring 34312 abuts against the sliding seat 34313, and the other end abuts against the bearing 34314 to form the first bullet-shaped mechanism 3431.

In some embodiments, referring to fig. 5 and 6, in the second bullet-shaped mechanism 3432, the corresponding sliding shaft and compression spring are respectively defined as a second sliding shaft 34321 and a second compression spring 34322, the second sliding shaft 34321 is directly fixed on the first support frame 310, the mounting frame 301 is provided with a sliding part 34323, the sliding part 34323 is provided with a U-shaped hole 34323a, the second sliding shaft 34321 penetrates through the U-shaped hole 34323a, one section of the second compression spring 34322 abuts against the first support frame 310, and the other end abuts against the sliding part 34323. During harvesting, the U-shaped hole 34323a is arranged to enable the width of the pinch channel 340a at the first sub-linear mechanism 3431 and the width of the corresponding pinch channel 340a at the second sub-linear mechanism 3432 to be unequal, so that the widths of the pinch channels 340a at the two positions can be adaptively adjusted according to the size of the vegetable head pinched at the current moment.

In some embodiments, referring to fig. 5 and 6, a local width adjusting mechanism 3433 is disposed on the first clamping and conveying member 341 and/or the second clamping and conveying member 342, and the local width adjusting mechanism 3433 is configured to adaptively adjust the local width of the pinch channel 340a according to the size of the vegetable head.

In some embodiments, referring to fig. 5 and 6, the local width adjustment mechanism 3433 includes:

the torsion spring 34331 is sleeved on the corresponding connecting shaft 3013 in a penetrating manner;

a rotating arm 34332 provided on the connecting shaft 3013 to rotate with the connecting shaft 3013;

an auxiliary pinch roller 34333 rotatably mounted on the swivel arm 34332,

one end of the torsion spring 34331 is disposed on the mounting bracket 301, and the other end of the torsion spring 34331 is disposed on the auxiliary pinch roller 34333, so that the auxiliary pinch roller 34333 is adaptively tensioned on the elastic force of the torsion spring 34331 inside the corresponding clamping conveyor belt 304.

In some embodiments, referring to fig. 4, 5, 6, the leaf excision assembly 330 comprises:

a cantilever 331, which is disposed on the first support frame 310, and one end of the cantilever 331 is suspended right above the pinch channel 340 a;

a circular saw 332 for cutting off the leaves of the head of the green vegetable, wherein the circular saw 332 is rotatably installed at one end suspended on the cantilever 331, so that the circular saw 332 is positioned right above the pinch channel 340a,

a vegetable leaf cutting drive sprocket (not shown) which is coaxially arranged with the pinch driven pulley 303 or the pinch drive pulley 302 and synchronously rotates;

a leaf cutting driven sprocket (not shown) coaxially disposed with the circular saw 332 and rotating in synchronization therewith; and

a leaf cutting drive chain (not shown) is tensioned over the leaf cutting drive sprocket and the leaf cutting driven sprocket.

The power for cutting the vegetable leaves in the vegetable leaf cutting assembly 330 is provided by the motor 305 on the corresponding clamping and conveying component, and a power element for cutting the vegetable leaves is not required to be additionally arranged, so that the structure is simple and compact. In fig. 4, 5 and 6, only one set of the leaf cutting assembly 330 is arranged on each set of the flexible clamping and conveying assembly 340.

In some embodiments, the front end of the harvester main body is provided with a rotating shaft 501, and the cutting and conveying device 300 is mounted on the rotating shaft 501, so that the cutting and conveying device 300 falls on the ground surface under the action of self weight and swings up and down around the frame 100 according to the height of the ground surface, and the positions of the vegetable leaf cutting assembly 330 and the rhizome cutting assembly 320 are adjusted according to the surface position, which is beneficial to reducing the occurrence probability of vegetable leaf missing cutting or vegetable stem cutting.

In some embodiments, the bottom of the first support frame 310 is provided with a support portion 311, and the support portion 311 falls on the ground surface to form a fulcrum for supporting the cutting and conveying device 300.

In some embodiments, the rhizome split assembly 320 includes:

the cutting knife (321) is driven by a motor,

the swinging pieces 322 are rotatably arranged on both sides of the first supporting frame 310, both ends of the cutting knife 321 are correspondingly hinged on the swinging pieces 322 on both sides of the first supporting frame 310 one by one and swing back and forth along with the swinging pieces 322,

a rhizome cutting driving sprocket 323 mounted on the rotation shaft 501 to rotate with the rotation shaft 501,

a rhizome division driven sprocket 324 rotatably mounted on the first support frame 310, the rhizome division driven sprocket 324 being rotated by the rhizome division driving sprocket 323; and

one end of the following rocker 325 is eccentrically hinged with the rhizome division driven sprocket 324, and the other end of the following rocker 325 is hinged with the swinging piece 322;

the rotation axis 501 of the root-stem splitting driving sprocket 323 and the rotation axis 501 of the root-stem splitting driven sprocket 324 are horizontal axes, and the rotation axis 501 between the follower rocker 325 and the swinging member 322, the rotation axis 501 of the swinging member 322 rotating around the first support frame 310, and the rotation axis 501 between the cutter 321 and the swinging member 322 are vertical axes perpendicular to the horizontal axes.

During harvesting, the rotating shaft 501 drives the root and stem division driving sprocket 323 to rotate, the root and stem division driving sprocket 323 drives the root and stem division driven sprocket 324 to rotate, the root and stem division driven sprocket 324 drives one end, close to the end, of the follow-up rocker 325 to rotate around the central shaft of the root and stem division driven sprocket 324, the follow-up rocker 325 pulls the swinging piece 322 to swing in a reciprocating mode, and therefore the cutting knife 321 swings in a reciprocating mode along with the swinging piece 322 to achieve reciprocating cutting.

In some embodiments, the harvester body further comprises:

a vegetable stem collection tank 400, the vegetable stem collection tank 400 being located at a top region of a rear end of the rack 100;

a lifting and conveying mechanism for conveying the vegetable stems conveyed by the cutting and conveying device 300 into the vegetable stem collecting tank 400, wherein the lifting and conveying mechanism is arranged obliquely and comprises a second supporting frame, a driving conveying belt wheel 520, a driven conveying belt wheel 530 and a conveying belt 540; and

a lifting support mechanism 550, one end of which is hinged to the frame 100, and the other end of which is hinged to the second support frame;

the driving belt wheel 520 is close to the vegetable stem collecting tank 400, the driving belt wheel 520 and the driven belt wheel 530 are both rotatably arranged on the second supporting frame, the rotating shaft 501 is arranged at the front end of the second supporting frame, and the driven belt wheel 530 is arranged on the rotating shaft 501, so that the driven belt wheel 530 drives the rotating shaft 501 to rotate.

During the results, the green vegetables head that send out of pinch passageway 340a is sent into the green vegetables collecting vat by promoting conveying mechanism, and the power of input not only is used for promoting input mechanism from this initiative band pulley 520 department, still is used for driving this pivot 501 to rotate, makes cutting conveyor 300 include that the power that subassembly 320 was cut the green vegetables head is also provided by this initiative band pulley 520 to the middle rhizome, does not set up the power original paper that the rhizome was cut apart alone, and the structure is simpler, is favorable to reduce cost.

In some embodiments, a discharge port 401 for discharging the vegetable stem of the vegetable head is disposed at one side of the vegetable stem collecting groove 400.

In some embodiments, the harvester main body further includes a power assembly, the power assembly includes a motor 610, a generator 620, a primary driving wheel 630, a primary transmission belt 650, a primary driven wheel 640, a speed reducer 660, a secondary driving wheel 670, a secondary driven wheel 680, and a secondary transmission chain 690, the motor 610, the generator 620, the primary driving wheel 630, the primary driven wheel 640, the speed reducer 660, and the secondary driving wheel 670 are all mounted on the frame 100, a belt transmission structure is provided between an output end of the motor 610 and an input end of the generator 620, part of power of the motor 610 passes through the primary driving wheel 630, the primary transmission belt 650, the primary driven wheel 640, the speed reducer 660, the secondary driving wheel 670, the secondary transmission chain 690, and the secondary driven wheel 680 in sequence and then is transmitted to the driving transmission belt wheel 520, the primary driving wheel 630 is disposed at an output end of the motor, the primary driven wheel 640 is arranged at the input end of the speed reducer 660, the secondary driving wheel 670 is arranged at the output end of the speed reducer 660, the secondary driven wheel 680 is positioned above the secondary driving wheel 670, the secondary driven wheel 680 is coaxially arranged with the driving conveying wheel, and the generator 620 is used for supplying power to the motor 305;

the frame 100 is further provided with a clutch, the clutch includes an operating handle 602 and a clutch pulley 601, and the clutch pulley 601 is driven by the operating handle 602 to tension or loosen the secondary transmission chain 690.

When the vegetable heads are harvested, the engine 610 is started to supply power to the motor 305, the generator 620 starts to generate power, the clutch wheel 601 is controlled by the override handle to tension the secondary transmission chain 690, the whole vegetable head harvester can start rhizome cutting, the lifting and conveying mechanism starts to work, and the motor 305 is started to harvest; on the contrary, when the harvesting is stopped, the control handle is only needed to control the clutch wheel 601 to loosen the secondary transmission chain 690, and the motor 305 is stopped.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other via additional features between them.

In the description of the invention, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, components, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, and/or groups thereof.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a green vegetable head harvester which characterized in that, includes the harvester main part and with the cutting conveyor of harvester main part connection, the harvester main part includes frame and running gear, running gear sets up the frame bottom, cutting conveyor includes:

the first support frame is arranged on the harvester main body;

2. The green vegetable head harvester of claim 1, wherein:

the rhizome cutting assembly starts to cut and separate the root of the head of the green vegetable and the vegetable stem at a first cutting position;

3. The green vegetable head harvester of claim 1, wherein: the first and second clamp conveying members each include:

a mounting bracket disposed on the first support frame,

a pinch drive pulley mounted on the first support frame;

a pinch driven pulley mounted on the first support frame;

4. The vegetable header harvester of claim 3, wherein the flexible adjustment mechanism comprises at least two sub-elastic mechanisms, each sub-elastic mechanism is configured to provide an adaptive elastic driving force tending to approach the first clamping conveying component or the second clamping conveying component in a direction of the clamping channel, and each sub-elastic mechanism is disposed between the first support frame and the corresponding clamping conveying component.

5. The green vegetable head harvester of claim 3, wherein: the vegetable leaf cutting assembly comprises:

6. The green vegetable head harvester of claim 3, wherein: the cutting and conveying device further comprises a reel for shifting the vegetable heads into the clamping and conveying channel, the clamping and conveying driven belt wheel at the foremost end of each group of clamping and conveying components is coaxially arranged with the corresponding reel, and the reel comprises a central installation part and a plurality of shifting claws uniformly distributed in the circumferential direction on the central installation part.

7. The green vegetable head harvester of claim 3, wherein: the front end of the harvester main body is provided with a rotating shaft, and the cutting and conveying device is arranged on the rotating shaft, so that the cutting and conveying device falls on the ground under the action of self weight and swings up and down around the rack according to the height of the ground.

8. The green vegetable head harvester of claim 7, wherein the rhizome splitting assembly comprises:

a cutting knife is arranged on the upper portion of the cutting knife,

9. The green vegetable head harvester of claim 8, wherein: the harvester main part still includes:

10. The green vegetable head harvester of claim 9, wherein: the harvester main body also comprises a power assembly, the power assembly comprises an engine, a generator, a primary driving wheel, a primary transmission belt, a primary driven wheel, a speed reducer, a secondary driving wheel, a secondary driven wheel and a secondary transmission chain, the engine, the generator, the primary driving wheel, the primary driven wheel, the speed reducer and the secondary driving wheel are all arranged on the frame, a belt transmission structure is arranged between the output end of the engine and the input end of the generator, partial power of the engine is transmitted to the driving belt wheel after sequentially passing through the primary driving wheel, the primary transmission belt, the primary driven wheel, the speed reducer, the secondary driving wheel, the secondary transmission chain and the secondary driven wheel, the primary driving wheel is arranged at the output end of the engine, the primary driven wheel is arranged at the input end of the speed reducer, the secondary driving wheel is arranged at the output end of the speed reducer, the secondary driven wheel is positioned above the secondary driving wheel, and the secondary driven wheel and the driving conveying wheel are coaxially arranged;

the rack is further provided with a clutch, the clutch comprises an operating handle and a clutch wheel, and the clutch wheel is driven by the operating handle to tension or loosen the secondary transmission chain.