CN114128477B

CN114128477B - Side hangs pull-out formula carrot harvesting apparatus

Info

Publication number: CN114128477B
Application number: CN202111315829.7A
Authority: CN
Inventors: 李学志; 姚乐; 陈蒙; 舒云隆; 吴俊武; 王卓凡
Original assignee: Xinjiang Institute Of Technology
Current assignee: Xinjiang Institute Of Technology
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-10-14
Anticipated expiration: 2041-11-08
Also published as: CN114128477A

Abstract

The invention discloses a side-hanging pull-out type carrot harvesting device which comprises a rack, and a soil loosening mechanism, a leaf rolling and righting mechanism, a clamping and conveying mechanism, a cutting mechanism, a conveying track and a leaf arranging groove which are arranged on the rack, wherein the soil loosening mechanism is used for loosening the soil of carrots on ridges; the leaf rolling and righting mechanism is used for clamping and righting stems and leaves of the carrots; the clamping and conveying mechanism comprises a bottom arc-shaped conveying section, a rear vertical conveying section, a top arc-shaped conveying section and a front vertical conveying section, and the stem leaves of the carrots are clamped and conveyed through the conveying sections of the clamping and conveying mechanism in sequence; the cutting mechanism is used for cutting off stems, leaves and roots of the carrots; the conveying track is used for receiving and conveying the cut carrot roots; the leaf discharging groove is used for receiving and discharging cut carrot stems and leaves. The whole clamping and conveying mechanism is smaller and more compact, the miniaturization of equipment is facilitated, the operation is more flexible, the harvested carrots are orderly arranged, and the subsequent carrot boxing is facilitated.

Description

Side hangs pull-out formula carrot harvesting apparatus

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a side-hanging pull-out type carrot harvesting device.

Background

The planting area and the yield of carrots in China are in the top of the world, with the continuous maturity of planting technology, high and stable market price, increasing export quantity and obvious growth of planting income, the carrots are being planted in a large scale.

However, in the harvesting process and the later-stage processing process, most of the carrots are harvested by manual or simple harvesting machines, the mechanization level is very low, and foreign harvesting equipment is not suitable for large-area popularization at home, so that the efficiency is low. With the development of technology and the scale planting of carrots, the harvesting of carrots is also gradually mechanized.

The specification of the Chinese patent application CN109479490A discloses a plant clamping, pulling, conveying and root seedling cutting and separating integrated device for a carrot harvester, the device shovels and loosens carrots through a digging shovel, then the carrot plants are clamped and pulled up by a plant clamping, pulling and then conveyed to the rear upper side, when the carrot plants are conveyed to the position of a cutting assembly, stubble alignment cutting of the carrots is completed under the action of a saw-tooth disc cutter rotating at a high speed, the carrots after root seedling separation fall onto a conveying and collecting device below, and fall into a collecting bag after conveying and lifting, and cut seedling leaves are thrown into the field through a clamping and conveying belt, so that the whole harvesting process is completed. The device has the following problems: (1) The plant clamping and pulling conveying component is obliquely arranged, so that the length is longer, the volume of the equipment is larger, and the flexibility of operation is poor; (2) The harvested carrots are messy and need to be manually placed again for boxing.

Disclosure of Invention

In view of the defects in the prior art, the invention provides a side-hanging pull-type carrot harvesting device, which at least solves one of the problems.

The invention provides a side-hanging pull-out type carrot harvesting device which comprises a rack, a soil loosening mechanism, a leaf rolling and righting mechanism, a clamping and conveying mechanism, a cutting mechanism, a conveying track and a leaf arranging groove, wherein the rack is provided with a soil loosening mechanism;

the soil loosening mechanism is arranged at the front lower part of the rack and is used for loosening the soil of the carrots on the ridges;

the leaf rolling and righting mechanism is arranged at the bottom of the rack, connected behind the soil loosening mechanism and used for clamping and righting stem leaves of the loosened carrots;

the clamping and conveying mechanism comprises a bottom arc conveying section, a rear vertical conveying section, a top arc conveying section and a front vertical conveying section, the bottom arc conveying section is arranged on the lower side of the rear part of the rack and connected to the rear part of the leaf rolling and righting mechanism, the rear vertical conveying section is arranged on the rear side of the rack, the top arc conveying section is arranged at the top of the rack, the front vertical conveying section is arranged on the front side of the rack, the bottom arc conveying section, the rear vertical conveying section, the top arc conveying section and the front vertical conveying section are sequentially connected, and stem leaves of carrots which are clamped and righted by the leaf rolling and righting mechanism are sent to the bottom arc conveying section and are clamped and conveyed sequentially through the bottom arc conveying section, the rear vertical conveying section, the top arc conveying section and the front vertical conveying section;

the cutting mechanism is arranged on the front side of the front vertical conveying section and is used for cutting off stems, leaves and roots of carrots which are conveyed to pass through the front vertical conveying section;

the conveying track is arranged below the front side of the cutting mechanism and used for receiving and conveying the roots of the cut carrots;

the leaf discharging groove is arranged below the front vertical conveying section and is used for receiving and discharging cut carrot stems and leaves.

Furthermore, a transmission box is arranged on the lower side of the front part of the rack, the leaf rolling and righting mechanism comprises two symmetrically-arranged righting single bodies, each righting single body comprises a first mounting frame fixed on the lower side of the transmission box, four first belt wheels rotatably mounted on the first mounting frame and a first conveyor belt sleeved outside the four first belt wheels, and a V-shaped lead-in opening is formed in the front part of the first conveyor belts of the two righting single bodies;

a first transmission mechanism is arranged in the transmission box, and a motor drives the first belt wheels of the two righting monomers to rotate through the first transmission mechanism so as to drive the first belt wheels of the two righting monomers to synchronously rotate backwards relative to the inner sides.

Furthermore, two driving arms extending obliquely forwards and downwards are symmetrically fixed on the left side and the right side of the driving box, the soil loosening mechanism comprises two symmetrically-arranged ditching discs, and each ditching disc is mounted at the tail end of a corresponding driving arm through a rotating shaft;

and the two driving arms are respectively provided with a second driving mechanism, and the first driving mechanism drives the two ditching discs to synchronously rotate through the two second driving mechanisms.

Furthermore, the first transmission mechanism comprises a large bevel gear, a first small bevel gear, a first gear, two second gears and three third gears, the large bevel gear is mounted on the rear side in the transmission case through a wheel shaft and is driven by a motor, the first small bevel gear and the first gear are coaxially mounted on the lower side in the transmission case through the wheel shaft, the first small bevel gear is meshed with the large bevel gear, the two second gears and the third gear are respectively mounted on the lower side in the transmission case through the wheel shaft, the other two third gears are respectively coaxially fixed on the upper ends of any first belt wheels of the two centralizing monomers, the two second gears are meshed with the first gears, the third gear fixed on the upper end of one first belt wheel is meshed with one second gear, the third gear mounted on the lower side of the transmission case is meshed with the other second gear, and the third gear fixed on the other first belt wheel is meshed with the second gear mounted on the lower side of the transmission case;

the second transmission mechanism comprises a second small bevel gear, a first belt pulley, a second belt pulley and a belt, the second small bevel gear is installed in the transmission box through a wheel shaft and meshed with the large bevel gear, the first belt pulley is arranged in the transmission arm and coaxially fixed on the wheel shaft of the second small bevel gear, the second belt pulley is arranged in the transmission arm and coaxially fixed on the rotating shaft of the ditching disc, and the belt is sleeved outside the first belt pulley and the second belt pulley.

Further, the bottom arc-shaped conveying section and the top arc-shaped conveying section are formed by two pairs of power roller conveyors which are arranged in bilateral symmetry, the rear vertical conveying section and the front vertical conveying section are formed by two pairs of belt conveyors which are arranged in bilateral symmetry, and a clamping conveying channel is formed between each pair of power roller conveyors and between each pair of belt conveyors.

Further, the power roller conveyor comprises an arc-shaped support and a plurality of electric rollers, the arc-shaped support is fixed on the rack, and the electric rollers are arranged in an arc shape and fixed on the arc-shaped support.

Further, the belt conveyor comprises a second mounting frame fixed on the rack, four second belt wheels rotatably mounted on the second mounting frame, a second conveyor belt sleeved outside the four second belt wheels, and a plurality of tensioning mechanisms, a motor is in transmission connection with any one of the second belt wheels of each belt conveyor and used for driving the second conveyor belt of each belt conveyor to rotate, each tensioning mechanism comprises a first connecting rod, a second connecting rod, a telescopic rod and a tensioning wheel, one end of the first connecting rod is hinged to the second mounting frame, one end of the second connecting rod is hinged to the other end of the first connecting rod, two ends of the telescopic rod are respectively hinged to the middle of the second connecting rod and the second mounting frame, a spring supported between the second mounting frame and the second connecting rod is sleeved on the telescopic rod, and the tensioning wheel is mounted at the other end of the second connecting rod and abuts against the inner side edge of the second conveyor belt.

Furthermore, a side baffle is arranged along the outer side of the clamping and conveying mechanism and fixed on the rack, and a guide groove which extends along the clamping and conveying mechanism and is aligned with the clamping and conveying channel of the clamping and conveying mechanism is arranged on the side baffle.

Furthermore, two groups of brush rollers are symmetrically arranged outside the side baffle of the rear vertical conveying section relative to the guide groove.

Furtherly, cutting mechanism is including fixed sawtooth, slip sawtooth and cam, fixed sawtooth transversely sets up on the front side of the vertical conveying section of front portion is fixed in the frame, slip sawtooth along horizontal sliding installation in fixed sawtooth, the sawtooth of fixed sawtooth and slip sawtooth flushes up, the cam rotates to be installed in the frame and through a motor drive, and eccentric on the cam is provided with a protruding axle, be equipped with protruding axle cooperation portion on the slip sawtooth, the protruding axle with protruding axle cooperation portion links to each other to make the cam drive slip sawtooth through the protruding axle when rotating and control reciprocating sliding.

The invention has the beneficial effects that:

this application during the results carrot, at first loosen the soil through the carrot on the ridge of mechanism that loosens the soil, along with the gos forward of carrot harvesting apparatus, the stem leaf of the carrot after loosening the soil gets into the leaf roll and rights mechanism, and right through the centre gripping of leaf roll right mechanism, make the stem leaf of carrot keep vertical, the stem leaf of the carrot after the leaf roll rights mechanism is right sends into bottom arc conveying section, bottom arc conveying section presss from both sides the stem leaf of conveying carrot to oblique top, make the carrot after loosening the soil pulled up, the carrot that is pulled up passes through bottom arc conveying section in proper order, the vertical conveying section in rear portion, top arc conveying section and the centre gripping conveying of anterior vertical conveying section, when the carrot conveys cutting mechanism, cutting mechanism cuts off the stem leaf and the root of carrot, the carrot root that is downcut falls on the conveying track and transports the vanning through the conveying track, the carrot stem leaf that is downcut then continues to be conveyed to row leaf groove through anterior vertical conveying section, discharge through row leaf groove at last.

Compared with the prior art, this application is by bottom arc conveying section, the vertical conveying section in rear portion, the centre gripping transport mechanism centre gripping conveying carrot of top arc conveying section and the combination of the vertical conveying section in front portion, whole centre gripping transport mechanism is more small-size compact, be favorable to the miniaturization of equipment, the operation is more nimble, and, when cutting mechanism cuts off the stem leaf and the root of carrot, the root of carrot is in horizontal position, keep flat on transfer orbit after the root of carrot is downcut, and neatly pass away one by one through transfer orbit, be favorable to subsequent carrot to vanning.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the transmission structure of the loosening mechanism and the rolling blade centering mechanism according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a clamping and transporting mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a belt conveyor according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a cutting mechanism according to an embodiment of the present invention.

In the drawing, 100-frame; 110-side dams; 111-a guide slot; 200-a soil loosening mechanism; 210-ditching disc; 300-leaf rolling and righting mechanism; 310-a first mounting frame; 320-a first pulley; 330-a first conveyor belt; 331-a V-shaped introduction port; 400-a gripper conveyor; 410-an arcuate conveying section; 420-a rear vertical transport section; 430-top arc transfer section; 440-a front vertical transfer section; 450-powered roller conveyors; 451-bottom arc support; 452-motorized roller; 460-a belt conveyor; 461-second mount; 462-a second pulley; 463-a second conveyor belt; 464-a tensioning mechanism; 4641-a first link; 4642 a second link; 4643-a telescopic rod; 4644-a tensioner; 4645-spring; 500-a cutting mechanism; 510-fixed saw teeth; 520-sliding saw teeth; 521-protruding shaft mating section; 530-a cam; 531-protruding shaft; 600-a transfer track; 700-row of blade grooves; 810-a transmission case; 820-a first transmission mechanism; 821-big bevel gear; 822-a first bevel pinion; 823-first gear; 824-a second gear; 825-a third gear; 830-a drive arm; 840-a second transmission mechanism; 841-second bevel pinion; 842-a first pulley; 843-a second pulley; 844-belts; 900-motor; 1000-brush roller.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

As shown in fig. 1-7, the embodiment of the present invention provides a side-hung pull-type carrot harvesting device, which includes a frame 100, a scarification mechanism 200, a leaf rolling and centering mechanism 300, a clamping and conveying mechanism 400, a cutting mechanism 500, a conveying track 600, and a leaf row groove 700.

The scarification mechanism 200 is arranged at the front lower part of the frame 100 and used for scarifying the carrots on the ridges.

The leaf rolling and righting mechanism 300 is arranged at the bottom of the rack 100, connected behind the soil loosening mechanism 200, and used for clamping and righting stem leaves of the loosened carrots.

The clamping and conveying mechanism 400 comprises a bottom arc conveying section 410, a rear vertical conveying section 420, a top arc conveying section 430 and a front vertical conveying section 440, the bottom arc conveying section 410 is arranged on the lower side of the rear portion of the rack 100 and connected to the rear portion of the leaf rolling and righting mechanism 300 in parallel, the rear vertical conveying section 420 is arranged on the rear side of the rack 100, the top arc conveying section 430 is arranged on the top portion of the rack 100, the front vertical conveying section 440 is arranged on the front side of the rack 100, the bottom arc conveying section 410, the rear vertical conveying section 420, the top arc conveying section 430 and the front vertical conveying section 440 are sequentially connected, stem leaves of carrots which are clamped and righted by the leaf rolling and righting mechanism 300 are sent into the bottom arc conveying section 410 and are clamped and conveyed sequentially through the bottom arc conveying section 410, the rear vertical conveying section 420, the top arc conveying section 430 and the front vertical conveying section 440.

The cutting mechanism 500 is provided at a front side of the front vertical transfer section 440, and cuts off stems, leaves, and roots of carrots transferred through the front vertical transfer section 440.

The conveying track 600 is disposed below the front side of the cutting mechanism 500, and is used for receiving and conveying the cut roots of carrots.

The leaf discharge groove 700 is arranged below the front vertical conveying section 440 and is used for receiving and discharging cut carrot stems and leaves.

When this application is gathered the carrot, at first loosen the soil through loosening mechanism 200 carrot on the ridge, along with the gos forward of carrot harvesting apparatus, the stem leaf of the carrot after loosening the soil gets into rolling leaf righting mechanism 300, and right through rolling leaf righting mechanism 300 centre gripping, make the stem leaf of carrot keep vertical, the stem leaf of the carrot after centering by rolling leaf righting mechanism 300 sends into bottom arc conveying section 410, bottom arc conveying section 410 presss from both sides the stem leaf of conveying the carrot to the oblique top, make the carrot after loosening the soil pulled up, the carrot that is pulled up passes through bottom arc conveying section 410 in proper order, rear portion vertical conveying section 420, top arc conveying section 430 and anterior vertical conveying section 440 centre gripping conveying, when the carrot conveys to cutting mechanism 500, cutting mechanism 500 cuts off the stem leaf and the root of carrot, the carrot root that is downcut falls on conveying track 600 and passes through conveying track 600 and transports, the carrot stem leaf that is downcut continues to be conveyed to row leaf groove 700 through anterior vertical conveying section 440, discharge leaf groove 700 is finally discharged.

Compared with the prior art, this application is by bottom arc conveying section 410, the vertical conveying section 420 in rear portion, the centre gripping transport mechanism 400 centre gripping conveying carrot that top arc conveying section 430 and the vertical conveying section 440 in front portion are constituteed, whole centre gripping transport mechanism 400 is more small-size compact, be favorable to the miniaturization of equipment, the operation is more nimble, and, when cutting mechanism 500 cuts off the stem leaf and the root of carrot, the root of carrot is in horizontal position, the root of carrot is cut down the back and is kept flat on conveying track 600, and pass away through conveying track 600 neatly one by one, be favorable to subsequent carrot to be boxed.

As a specific embodiment, referring to fig. 1, fig. 2, fig. 3, and fig. 4, a transmission case 810 is disposed on a lower side of a front portion of the rack 100, the leaf rolling straightening mechanism 300 includes two symmetrically disposed straightening units, each of the straightening units includes a first mounting frame 310 fixed on a lower side of the transmission case 810, four first pulleys 320 rotatably mounted on the first mounting frame 310, and a first conveyor belt 330 sleeved outside the four first pulleys 320, and the first conveyor belts 330 of the two straightening units form a V-shaped introduction port 331 on a front portion. A first transmission mechanism 820 is arranged in the transmission case 810, and a motor 900 drives the first belt wheels 320 of the two centralizing monomers to rotate through the first transmission mechanism 820, so as to drive the first conveyor belts 330 of the two centralizing monomers to synchronously rotate backwards and inwards relatively.

In the process of harvesting carrots in advance by the carrot harvesting device, the motor 900 drives the first conveying belts 330 of the two centralizing monomers to rotate through the first transmission mechanism 820, stems and leaves of the loosened carrots are guided into the space between the two first conveying belts 330 through the V-shaped guide-in ports 331 formed in the front parts of the two centralizing monomers, and then the stems and leaves of the carrots are centered.

Moreover, two driving arms 830 extending obliquely forward and downward are symmetrically fixed on the left side and the right side of the driving box 810, the soil loosening mechanism 200 includes two symmetrically arranged ditching disks 210, and each ditching disk 210 is mounted at the end of a corresponding driving arm 830 through a rotating shaft. The two driving arms 830 are respectively provided with a second driving mechanism 840, and the first driving mechanism 820 drives the two ditching discs 210 to synchronously rotate through the two second driving mechanisms 840.

In the process of harvesting carrots, the motor 900 drives the two first conveyor belts 330 for righting the carrot bodies to rotate through the first transmission mechanism 820, and meanwhile, the first transmission mechanism 820 can drive the ditching discs 210 on two sides to rotate through the second transmission mechanism 840, so that the carrots on the ridges are loosened through the ditching discs 210.

In this embodiment, referring to fig. 4, the first transmission mechanism 820 includes a large bevel gear 821, a first small bevel gear 822, a first gear 823, two second gears 824, and three third gears 825, the large bevel gear 821 is mounted at the rear side in the transmission case 810 through an axle and is driven by the motor 900, the first small bevel gear 822 and the first gear 823 are coaxially mounted at the lower side in the transmission case 810 through the axle, the first small bevel gear 822 is engaged with the large bevel gear 821, the two second gears 824 and the third gear 825 are respectively mounted at the lower side in the transmission case 810 through the axle, the other two third gears 825 are respectively coaxially fixed at the upper end of any one first gear 320 of the two centering units, the two second gears 824 are engaged with the first gear 823, the third gear 825 fixed at the upper end of the first gear 320 is engaged with the second gear 824, the third gear 825 fixed at the upper end of the transmission case 810 is engaged with the second gear 824, and the third gear 825 fixed at the lower side of the other first gear 320 is engaged with the second gear 824 mounted at the transmission case 810.

The second transmission mechanism 840 comprises a second bevel pinion 841, a first belt pulley 842, a second belt pulley 843 and a belt 844, the second bevel pinion 841 is installed in the transmission case 810 through an axle, the second bevel pinion 841 is meshed with the large bevel pinion 821, the first belt pulley 842 is arranged in the transmission arm 830 and coaxially fixed on the axle of the second bevel pinion 841, the second belt pulley 843 is arranged in the transmission arm 830 and coaxially fixed on the rotating shaft of the ditching disc 210, and the belt 844 is sleeved outside the first belt pulley 842 and the second belt pulley 843.

By adopting the above transmission mode, when the motor 900 drives the large bevel gear 821 to rotate, the large bevel gear 821 drives the first small bevel gear 822 to rotate, the first gear 823 rotates along with the small bevel gear, and simultaneously drives the two second gears 824 to rotate, one of the second gears 824 drives the third gear 825 to rotate, so as to drive the first conveyor belt 330 for one centering monomer to rotate, the other second gear 824 drives the other two third gears 825 to rotate, so as to drive the first conveyor belt 330 for the other centering monomer to rotate in the opposite direction, so that stem leaves of carrots during centering are conveyed between the first conveyor belts 330 for two centering monomers, meanwhile, the large bevel gear 821 drives the two second small bevel gears 841 to rotate, each first belt pulley 842 rotates along with the corresponding second small bevel gear 841, and then the belt 844 drives the second belt pulley 843 to drive the corresponding ditching disc 210 to rotate.

As a specific example, referring to fig. 5, the bottom arc-shaped conveying section 410 and the top arc-shaped conveying section 430 are both composed of two pairs of power roller conveyors 450 arranged in bilateral symmetry, the rear vertical conveying section 420 and the front vertical conveying section 440 are composed of two pairs of belt conveyors 460 arranged in bilateral symmetry, a clamping conveying channel is formed between each pair of power roller conveyors 450 and between each pair of belt conveyors 460, so that the arc-shaped sections of the clamping conveying mechanism 400 are clamped and conveyed by the power roller conveyors 450, and the straight sections are clamped and conveyed by the belt conveyors 460, so that the clamping conveying requirements of carrots are met.

In this embodiment, the power roller conveyor 450 includes an arc-shaped support 451 and a plurality of electric rollers 452, the arc-shaped support 451 is fixed on the frame 100, the plurality of electric rollers 452 are fixed on the arc-shaped support 451 in an arc-shaped arrangement, and each electric roller 452 is powered by itself.

In this embodiment, the belt conveyors 460 include a second mounting frame 461 fixed on the rack 100, four second pulleys 462 rotatably mounted on the second mounting frame 461, a second conveyor 463 sleeved outside the four second pulleys 462, and a plurality of tensioning mechanisms 464, a motor 900 is in transmission connection with any one of the second pulleys 462 of each belt conveyor 460 to drive the second conveyor 463 of each belt conveyor 460 to rotate, the tensioning mechanism 464 includes a first connecting rod 4641, a second connecting rod 4642, a telescopic rod 4643, and a tensioning wheel 4644, one end of the first connecting rod 4641 is hinged to the second mounting frame 461, one end of the second connecting rod 4642 is hinged to the other end of the first connecting rod 4641, two ends of the telescopic rod 4643 are respectively hinged to the middle portion of the second connecting rod 4642 and the second mounting frame 461, a spring 4645 supported between the second connecting rod 4642 is sleeved on the telescopic rod 4643, the telescopic rod 4644 is mounted to the other end of the second connecting rod 4642 and abuts against the inner side edge of the second conveyor 463, and the tensioning wheel 4644 can press the second conveyor 460 to clamp the carrot stem leaf when the two pairs of the conveyor 460 are capable of clamping the carrot stem leaf.

In a preferred embodiment, referring to fig. 1 and 2, a side baffle 110 is arranged along the outer side of the clamping and conveying mechanism 400, the side baffle 110 is fixed on the rack 100, a guide groove 111 extending along the clamping and conveying mechanism 400 and aligned with the clamping and conveying channel of the clamping and conveying mechanism 400 is arranged on the side baffle 110, when carrots are conveyed, the roots of the carrots are blocked outside the side baffle 110, stems and leaves of the carrots are clamped in the guide groove 111, and the side baffle 110 not only can play a role in blocking mud, but also can play a role in stabilizing and guiding the carrots in the conveying process.

Preferably, two sets of brush rollers 1000 are symmetrically arranged outside the side baffle 110 of the rear vertical conveying section 420 relative to the guide groove 111, and when the roots of the carrots pass between the two sets of brush rollers 1000, the mud on the surfaces of the roots of the carrots can be brushed away by the brush rollers 1000, so that the harvested carrots are cleaner.

As a specific example, referring to fig. 7, the cutting mechanism 500 includes a fixed saw tooth 510, a sliding saw tooth 520, and a cam 530, the fixed saw tooth 510 is transversely disposed at a front side of the front vertical conveying section 440 and fixed to the frame 100, the sliding saw tooth 520 is transversely slidably mounted to the fixed saw tooth 510, saw teeth of the fixed saw tooth 510 and the sliding saw tooth 520 face upward and are flush, the cam 530 is rotatably mounted to the frame 100 and driven by a motor 900, a protruding shaft 531 is eccentrically disposed on the cam 530, a protruding shaft mating part 521 is disposed on the sliding saw tooth 520, and the protruding shaft 531 is connected to the protruding shaft mating part 521, so that the cam 530 drives the sliding saw tooth 520 to slide back and forth left and right through the protruding shaft 531 when rotating. This application cam 530 drive slip sawtooth 520 moves about, and the stem leaf of carrot is contacted with the sawtooth of fixed sawtooth 510 and slip sawtooth 520 after, is cut off under the effect of fixed sawtooth 510 and the mutual shearing of slip sawtooth 520, can not draw the carrot during the cutting.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a side hangs pull-out formula carrot harvesting apparatus which characterized in that: the automatic leaf rolling machine comprises a frame, a soil loosening mechanism, a leaf rolling and righting mechanism, a clamping and conveying mechanism, a cutting mechanism, a conveying track and a leaf arranging groove;

the soil loosening mechanism is arranged at the front lower part of the rack and used for loosening the soil of the carrots on the ridges;

the conveying track is arranged below the front side of the cutting mechanism and is used for receiving and conveying the roots of the cut carrots;

the leaf discharge groove is arranged below the front vertical conveying section and is used for receiving and discharging cut carrot stems and leaves;

the bottom arc-shaped conveying section and the top arc-shaped conveying section are formed by two pairs of power roller conveyors which are arranged in a bilateral symmetry mode, the rear vertical conveying section and the front vertical conveying section are formed by two pairs of belt conveyors which are arranged in a bilateral symmetry mode, and a clamping conveying channel is formed between each pair of power roller conveyors and between each pair of belt conveyors;

the power roller conveyor comprises an arc-shaped support and a plurality of electric rollers, the arc-shaped support is fixed on the rack, and the electric rollers are arranged in an arc shape and fixed on the arc-shaped support.

2. The side hung pull carrot harvesting apparatus of claim 1, wherein: a transmission case is arranged on the lower side of the front part of the rack, the leaf rolling and righting mechanism comprises two symmetrically-arranged righting monomers, each righting monomer comprises a first mounting frame fixed on the lower side of the transmission case, four first belt wheels rotatably mounted on the first mounting frame and a first conveyor belt sleeved outside the four first belt wheels, and a V-shaped leading-in port is formed in the front part of the first conveyor belts of the two righting monomers;

3. The side hung pull carrot harvesting apparatus of claim 2, wherein: two driving arms which extend obliquely forwards and downwards are symmetrically fixed on the left side and the right side of the driving box, the soil loosening mechanism comprises two symmetrically arranged ditching discs, and each ditching disc is mounted at the tail end of a corresponding driving arm through a rotating shaft;

and the two driving arms are respectively provided with a second driving mechanism, and the first driving mechanisms drive the two ditching discs to synchronously rotate through the two second driving mechanisms.

4. The side hung pull carrot harvesting device of claim 3, wherein: the first transmission mechanism comprises a large bevel gear, a first small bevel gear, a first gear, two second gears and three third gears, the large bevel gear is mounted on the rear side in the transmission box through a wheel shaft and is driven by a motor, the first small bevel gear and the first gear are coaxially mounted on the lower side in the transmission box through the wheel shaft, the first small bevel gear is meshed with the large bevel gear, the two second gears and the third gear are respectively mounted on the lower side in the transmission box through the wheel shaft, the other two third gears are respectively coaxially fixed at the upper ends of any one first belt wheel of the two centering monomers, the two second gears are respectively meshed with the first gear, the third gear fixed at the upper end of the first belt wheel is meshed with one second gear, the third gear mounted on the lower side of the transmission box is meshed with the other second gear, and the third gear fixed at the upper end of the other first belt wheel is meshed with the second gear mounted on the lower side of the transmission box;

5. The side hung pull carrot harvesting device of claim 1, wherein: the belt conveyor comprises a second mounting frame fixed on the rack, four second belt wheels rotatably mounted on the second mounting frame, a second conveyor belt sleeved outside the four second belt wheels and a plurality of tensioning mechanisms, a motor is in transmission connection with any one second belt wheel of each belt conveyor and used for driving the second conveyor belt of each belt conveyor to rotate, each tensioning mechanism comprises a first connecting rod, a second connecting rod, a telescopic rod and a tensioning wheel, one end of the first connecting rod is hinged to the second mounting frame, one end of the second connecting rod is hinged to the other end of the first connecting rod, two ends of the telescopic rod are hinged to the middle of the second connecting rod and the second mounting frame respectively, a spring supported between the second mounting frame and the second connecting rod is sleeved on the telescopic rod, and the tensioning wheel is mounted at the other end of the second connecting rod and abuts against the outside of the inner side edge of the second conveyor belt.

6. The side hung pull carrot harvesting device of claim 1, wherein: and a side baffle is arranged along the outer side of the clamping and conveying mechanism and fixed on the rack, and a guide groove which extends along the clamping and conveying mechanism and is aligned with the clamping and conveying channel of the clamping and conveying mechanism is arranged on the side baffle.

7. The side hung pull carrot harvesting device of claim 6, wherein: two groups of brush rollers are symmetrically arranged outside the side baffle of the rear vertical conveying section relative to the guide groove.

8. The side hung pull carrot harvesting apparatus of claim 1, wherein: cutting mechanism is including fixed sawtooth, slip sawtooth and cam, fixed sawtooth transversely sets up on the front side of the vertical conveying section of front portion is fixed in the frame, slip the sawtooth along horizontal sliding installation in fixed sawtooth, the sawtooth of fixed sawtooth and slip sawtooth flushes up, the cam rotates to be installed in the frame and through a motor drive, and the eccentric is provided with a protruding axle on the cam, be equipped with protruding axle cooperation portion on the slip sawtooth, the protruding axle with protruding axle cooperation portion links to each other to make the cam drive slip sawtooth through protruding axle when rotating and control reciprocal slip.