CN210042798U - Chinese cabbage harvester - Google Patents

Abstract

The utility model relates to an agricultural product harvester, especially a chinese cabbage harvester belongs to agricultural picking machine technical field. The root cutting device and the lifting device work in a matched mode, the root cutting device cuts off the root of the Chinese cabbage, the lifting device lifts the Chinese cabbage to the horizontal belt, the phenomenon that a worker frequently bends over to cut off the root of the Chinese cabbage is avoided, the worker only needs to stand on the bearing device to take off useless leaves on the outer side of the Chinese cabbage conveyed to the operating platform by the horizontal belt and discard the residual roots into the storage box, the worker can slide the taken-off Chinese cabbage on the long rolling shaft to be collected beside the collection box and then place the Chinese cabbage into the collection box, the worker is prevented from picking up the fallen Chinese cabbage to the ground, labor intensity is reduced, and harvesting efficiency is improved.

Description

Chinese cabbage harvester

Technical Field

The utility model relates to an agricultural product harvester, especially a chinese cabbage harvester belongs to agricultural picking machine technical field.

Background

The Chinese cabbage is rich in nutrition and has certain dietary therapy value. Harvesting of the cabbages at the present stage is mainly completed manually, workers need to cut the roots of the cabbages from the side by a knife, then the fallen cabbages are picked up and transported to the ground, the labor intensity is high, the working efficiency is low, harvesting of the cabbages belongs to labor-intensive work, particularly for the aging countries, due to the fact that labor force is high in age, the labor force is more and more lack of manpower resources, the labor force is high in cost and not easy to obtain, the proportion of the cost of manual harvesting in the whole production cost of the cabbages is up to 33% -50%, and mechanized harvesting of the cabbages is urgently realized, so how to provide a cabbages harvester with the advantages of reducing the labor intensity and high harvesting efficiency is a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem solved by the utility model is: how to provide a chinese cabbage harvester that can reduce intensity of labour, results efficiently, its technical scheme who adopts is as follows:

the Chinese cabbage harvester comprises a tractor and a lifting device, and is characterized in that: one side of the lifting device is fixed on the tractor, the lower end of the lifting device is fixedly provided with a front wheel support, two front wheel support connecting parts are symmetrically arranged on the front wheel support, a front wheel rotating shaft is fixedly arranged on the front wheel support, two sides of the front wheel rotating shaft are in rotating connection with the front wheel, a supporting plate which is arranged in parallel with the lifting device is fixedly arranged below the lifting device, the supporting plate is positioned above the root cutter, the upper end face of the root cutter is fixedly arranged on the front wheel support, two stem holding devices are symmetrically and fixedly arranged on the front end face of the front wheel support, the lower end face of the stem holding device is fixedly connected with the upper end of the first soil turning device on the left side, the lower end face of the stem holding device is fixedly connected with the upper end of the second soil turning device on the right side, and the upper end of the stem holding device is fixed. The lifting device comprises a top support, the top support comprises side plates, side plate grooves, an upper frame, a middle support plate, a front support plate and a top support connecting part, the lower end surface of the upper frame is symmetrically and fixedly provided with two side plates, the outer sides of the side plates are symmetrically provided with two side plate grooves, one side of the upper frame is fixedly provided with two top support connecting parts fixedly connected with a tractor, the middle part of the upper end surface of the bottom plate of the upper frame is provided with the middle support plate, the front part of the upper frame is provided with the front support plate, the front support plate is symmetrically and fixedly provided with two first motors, the rotating speeds and the rotating directions of the two first motors are the same and opposite, output shafts of the two first motors respectively penetrate through two circular through holes on the front support plate to be fixedly connected with a driving belt pulley, the driving belt pulley is connected with a driven belt pulley, the driven belt pulley and the front end roller are rotationally connected with a front end fixing frame, the lower end surface of the driven belt pulley is jointed with the front end fixing frame, the front end fixing frame is fixedly arranged at the front end of the side plate, the rear end fixing frames are fixedly arranged at the rear end of the side plate, the rear end fixing frame is rotationally connected with the rear end roller through a rear end rotating shaft, the front end roller is connected with the rear end roller through a lifting belt, the two sides of the side plate are both provided with a middle roller bracket which is rotationally connected with the middle roller through a bearing, the inner ring of the bearing is in interference fit with the middle roller bracket, the outer ring is in interference fit with the inner wall of the middle roller, the inner wall of the lifting belt is symmetrically provided with belt grooves with the same width as the side plate grooves, the upper ends of the middle rollers are clamped in the side plate grooves in the upper portion and the belt grooves in the upper portion, and the lower ends of the middle rollers are clamped in the side plate grooves in the lower portion and the belt grooves in the lower portion.

Preferably, the middle roller comprises an upper boss, a middle roller main body fixedly mounted at the lower end of the upper boss, and a lower boss fixedly mounted at the lower end of the middle roller main body, the lower end of the middle roller is provided with a middle roller round hole penetrating through the lower boss and penetrating into the middle roller main body, the maximum diameter of the middle roller main body is smaller than the maximum diameters of the upper boss and the lower boss, the maximum diameters and heights of the upper boss and the lower boss are equal, the bearing is positioned at the middle upper part of the middle roller round hole, the outer ring of the bearing is in interference fit with the hole wall of the middle roller round hole, the upper boss is clamped in the side plate groove at the upper part and the leather belt groove at the lower part, the lower boss is clamped in the side plate groove at the lower part and the leather belt groove at the lower part, the heights of the upper boss and the lower boss, The groove bottom of the belt groove is tangent.

Preferably, the supporting plate comprises a supporting plate main body, a supporting plate extending portion fixedly connected with the front end of the supporting plate main body and a supporting plate bending portion fixedly connected with the front end of the supporting plate extending portion, two rows of supporting plate connecting portions are symmetrically arranged on the upper end face of the supporting plate main body, the upper ends of the supporting plate connecting portions are fixedly connected with the side plates, a first rectangular groove is arranged in the middle of the supporting plate main body, and a second rectangular groove is arranged on the supporting plate extending portion.

Preferably, the root cutter comprises a sawtooth cutting disc, a second motor and a root cutter support, the upper end face of the root cutter support is fixedly installed on the front wheel support, the second motor is fixedly installed on the root cutter support, and the sawtooth cutting disc is fixedly connected with an output shaft of the second motor.

Preferably, the stalk lifter comprises a stalk lifter tip section, a semi-cylindrical section fixedly connected with the stalk lifter tip section, and a stalk lifter lengthened section fixedly connected with the semi-cylindrical section, wherein a stalk lifter positioning hole is formed in the stalk lifter lengthened section, one end, far away from the semi-cylindrical section, of the stalk lifter lengthened section is fixedly connected with the front wheel support, a gap is formed between the end face, far away from the stalk lifter tip section, of the semi-cylindrical section and the front end of the lifting belt, the lower end face of the stalk lifter is flush with the upper end face of the sawtooth cutting disc, and the outer plane, close to the longitudinal symmetry plane of the lifting device, of the lifting belt is tangent to the side face of the semi-cylindrical section.

Preferably, first native ware of turning over includes first flat board, with first flat board fixed connection's first swash plate down, the lower extreme and the first swash plate fixed connection of first swash plate, first flat board up end and first swash plate up end parallel and level, terminal surface parallel and level under terminal surface and the first flat board under the first swash plate, contained angle between first swash plate and the first flat board is less than 90. The second soil turning device comprises a second flat plate, a second upper inclined plate fixedly connected with the second flat plate, and a second lower inclined plate fixedly connected with the second flat plate, the upper end face of the second flat plate is flush with the second upper inclined plate, the lower end face of the second lower inclined plate is flush with the lower end face of the second flat plate, an included angle between the second upper inclined plate and the second flat plate is smaller than 90 degrees, and the second soil turning device and the first soil turning device are symmetrical about a symmetry axis of the lifting device.

Preferably, the rear end of the tractor is fixedly mounted on the connecting plate, the rear end of the connecting plate is fixedly mounted on the bearing device, a horizontal transmission device driven by a third motor is arranged behind the lifting device, the third motor is fixedly mounted on the outer side surface of the bearing device, the horizontal transmission device is arranged in the bearing device and is fixed on the bearing device through screws, an operating table is arranged on one side of the horizontal transmission device, the operating table is arranged in the bearing device and is fixed on the bearing device through screws, and the collecting box is suspended outside the bearing device.

Preferably, the bearing device comprises a bearing device main body, six rear wheels rotatably mounted below the bearing device main body, and a working pedal fixedly mounted at the rear end of the bearing device main body, wherein two L-shaped hooks for hanging the collecting boxes are symmetrically and fixedly mounted at the right side of the bearing device main body, four fixing plates for fixing an operating table are fixedly mounted on the upper end face of the bearing device main body, the operating table is fixed on the fixing plates through screws, two limiting frames are arranged at the front end of the bearing device main body, and the upper ends of the limiting frames are fixedly connected with the lifting device. The collecting box comprises a collecting box main body, two hanging rings symmetrically and fixedly arranged at the front end of the collecting box main body, a T-shaped supporting rod fixedly arranged at the rear end of the collecting box main body, and two handles symmetrically arranged on two sides of the collecting box main body, wherein the cross sections of the handles are U-shaped, the height of a through hole in the middle of each hanging ring is equal to that of the hook, the width of each hanging ring is equal to that of the hook, and the thickness of each hanging ring is equal to that of the horizontal section of the hook.

Preferably, the horizontal transmission device comprises a horizontal belt, the horizontal belt is matched with two horizontal rollers, two ends of each horizontal roller are respectively rotatably connected with a high baffle and a low baffle, the lower ends of the high baffle and the low baffle are fixed through a bottom support, the lower end of the bottom support is fixed on the bearing device through screws, the high baffle is welded with a side baffle, the lower end of the side baffle is parallel and level with the lower end of the bottom support, and the outer side face of the side baffle is fixed on the bearing device through screws.

Preferably, the operation panel includes storing box, fixed mounting two long roller support on the storing box, with two long roller support rotate the long roller of being connected, storing box one side opening one side is sealed.

The utility model has the advantages of as follows:

(1) the root cutter and the lifting device work in a matched mode, the root cutter cuts off the root of the Chinese cabbage, the lifting device lifts the Chinese cabbage to the horizontal belt, the worker is prevented from frequently bending down to cut off the root of the Chinese cabbage, the worker only needs to stand on the bearing device, useless leaves outside the Chinese cabbage conveyed to the operating platform by the horizontal belt are scraped off, the residual roots are cut off and thrown into the storage box, the worker slides the scraped Chinese cabbage on the long roller to the side of the collection box and then puts the Chinese cabbage into the collection box, the worker is prevented from picking up and transporting the fallen Chinese cabbage to the ground, labor intensity is reduced, and harvesting efficiency is improved.

(2) The two lifting belts are used for righting and clamping the Chinese cabbages to ascend, the inner wall surface of the front end of each lifting belt is matched with the front end roller, the inner wall surface of the rear end of each lifting belt is matched with the rear end roller, the inner wall surface of the middle of each lifting belt is matched with the middle roller, the middle rollers can keep the distance between the inner wall surface of each lifting belt and the two side surfaces of the side plate, the lifting belts are prevented from vibrating in the moving process, the Chinese cabbages can be clamped well by the lifting belts, the Chinese cabbages are prevented from being inclined to affect the transportation.

(3) The first soil turning device and the second soil turning device turn soil close to two sides of the Chinese cabbage in a direction far away from the Chinese cabbage, two grooves are formed in two sides of the Chinese cabbage, and resistance is reduced when the saw-toothed cutting disc cuts the root of the Chinese cabbage.

(4) In the harvesting process of the Chinese cabbages, the two stem lifter tip sections firstly lift the leaves outside the Chinese cabbages gradually to separate the leaves from the ground, and then the two semi-cylindrical sections gather the leaves outside the Chinese cabbages, so that the Chinese cabbages can be lifted by the lifting belt later.

(5) The staff stands on the horizontal plate of work footboard, and along with the tractor advances together, the staff can be blockked to the vertical board of work footboard, prevents that the staff from falling from the rear.

(6) One side of the storage box is open and closed, one side of the storage box is closed, articles in the storage box can be prevented from falling off, the open side of the storage box enables the articles in the storage box to be conveniently moved out, and in the working process, the collecting box hung outside the bearing device can block the articles in the storage box from falling off from the open side.

(7) The handle cross-section on the collecting box is the U type, and convenient the holding, the height of through-hole equals with the height of couple in the middle of the link, and the width equals with the width of couple, and the thickness of link equals with the length of couple horizontal segment, can prevent effectively that the collecting box from rocking about on bearing device.

Drawings

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

FIG. 1: the utility model relates to an overall structure schematic diagram of a Chinese cabbage harvester;

FIG. 2: the utility model relates to a schematic side view structure diagram of a Chinese cabbage harvester;

FIG. 3: the utility model relates to a top view structure schematic diagram of a Chinese cabbage harvester;

FIG. 4: the utility model relates to a front view structure schematic diagram of a Chinese cabbage harvester;

FIG. 5: the utility model relates to a first structure schematic diagram of a lifting device of a Chinese cabbage harvester;

FIG. 6: the utility model relates to a second structure schematic diagram of a lifting device of a Chinese cabbage harvester;

FIG. 7: the utility model relates to a structural schematic diagram of a top bracket of a Chinese cabbage harvester;

FIG. 8: the utility model relates to a schematic structural diagram of a front end fixing frame of a Chinese cabbage harvester;

FIG. 9: the utility model relates to a schematic structural diagram of a rear end fixing frame of a Chinese cabbage harvester;

FIG. 10: the utility model relates to a structural schematic diagram of a middle roller of a Chinese cabbage harvester;

FIG. 11: the utility model relates to a schematic structural diagram of a supporting plate of a Chinese cabbage harvester;

FIG. 12: the utility model relates to a schematic structural diagram of a root cutter of a Chinese cabbage harvester;

FIG. 13: the utility model relates to a structural schematic diagram of a stem lifter of a Chinese cabbage harvester;

FIG. 14: the utility model relates to a schematic view structure diagram of a first soil turning device of a Chinese cabbage harvester;

FIG. 15: the utility model relates to a side view structure schematic diagram of a first soil turning device of a Chinese cabbage harvester;

FIG. 16: the utility model relates to a structural schematic diagram of a stem lifter and a first soil turner of a Chinese cabbage harvester;

FIG. 17: the utility model relates to a schematic view structure diagram of a second soil turning device of a Chinese cabbage harvester;

FIG. 18: the side view structure schematic diagram of the second rooter of the Chinese cabbage harvester of the utility model is shown;

FIG. 19: the utility model relates to a structural schematic diagram of a stem lifter and a second soil turner of a Chinese cabbage harvester;

FIG. 20: the utility model relates to a structural schematic diagram of a bearing device of a Chinese cabbage harvester;

FIG. 21: the utility model relates to a schematic structural diagram of a collecting box of a Chinese cabbage harvester;

FIG. 22: the utility model relates to a structural schematic diagram of a horizontal transmission device of a Chinese cabbage harvester;

FIG. 23: the utility model relates to an operation panel structure schematic diagram of chinese cabbage harvester.

Description of the symbols:

1. tractor, 2, stalk lifter, 3, first soil turning device, 4, root cutter, 5, front wheel bracket, 501, front wheel bracket connection part, 6, front wheel, 7, lifting device, 8, horizontal transmission device, 9, bearing device, 10, operation table, 11, collecting box, 12, stalk lifter bracket, 13, third motor, 14, connecting plate, 15, second soil turning device, 16, supporting plate, 17, front wheel rotating shaft, 201, stalk lifter tip section, 202, semi-cylindrical section, 203, stalk lifter extension section, 204, stalk lifter positioning hole, 301, first flat plate, 302, first upper inclined plate, 303, first lower inclined plate, 401, sawtooth cutting disc, 402, second motor, 403, root cutter bracket, 701, top bracket, 702, first motor, 703, driving pulley, 704, transmission pulley, 705, driven pulley, 706, front end rotating shaft, 707, front end fixing frame, 708, Front end roller 709, lifting belt 710, rear end fixing frame 711, rear end rotating shaft 712, rear end roller 713, middle roller support 714, middle roller 7141, upper boss 7142, middle roller body 7143, middle roller round hole 7144, lower boss 7011, side plate 7012, side plate groove 7013, upper frame 7014, middle support plate 7015, front support plate 7016, top support connecting part 801, horizontal belt 802, high baffle 803, side baffle 804, horizontal roller 805, low baffle 806, bottom support 901, bearing device body 902, rear wheel 903, working pedal 904, hook 905, fixing plate 906, limiting frame 1001, storage box 1002, long roller support 1003, long roller, 1101, collection box 1102, hanging ring 1103, handle 1104, T-shaped support bar 1501, second plate, 1502, second plate, The second upper sloping plate 1503, the second lower sloping plate 1601, the pallet body 1602, the pallet connecting part 1603, the first rectangular groove 1604, the pallet extending part 1605, the second rectangular groove 1606 and the pallet bending part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, 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 expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention will be further described with reference to the following figures and examples:

as shown in figures 1-4, the Chinese cabbage harvester of the present invention comprises a tractor 1 and a lifting device 7, wherein one side of the lifting device 7 is fixed on the tractor 1 to increase the stability of the lifting device 7, the tractor 1 can be exemplified by a tractor, a front wheel bracket 5 is fixedly installed at the lower end of the lifting device 7, two front wheel bracket connecting parts 501 are symmetrically arranged on the front wheel bracket 5, the upper end of the front wheel bracket connecting part 501 is exemplarily welded with the lifting device 7, a front wheel rotating shaft 17 is fixedly installed on the front wheel bracket 5, the front wheel rotating shaft 17 is exemplarily in interference fit with the front wheel bracket 5, there is no relative rotation and relative movement between the two, both sides of the front wheel rotating shaft 17 are rotatably connected with the front wheel 6, the front wheel bracket 5, the front wheel 6 and the front wheel rotating shaft 17 provide support for the front end of the lifting device 7, a supporting plate 16 is fixedly installed below the lifting device 7 and arranged in parallel with the lifting device 7, in the process that the Chinese cabbage rises along with the lifting device 7, the supporting plate 16 can prevent the Chinese cabbage from falling, the supporting plate 16 is positioned above the root cutter 4, the upper end face of the root cutter 4 is fixedly arranged on the front wheel bracket 5, in an example, the upper end face of the root cutter 4 can be welded on the front wheel bracket 5 or fixed on the front wheel bracket 5 through screws, the front end face of the front wheel bracket 5 is symmetrically and fixedly provided with two stem lifters 2, in an example, the front end face of the front wheel bracket 5 can be fixed with the stem lifter 2 through a welding mode, the lower end face of the left stem lifter 2 is fixedly connected with the upper end of the first soil turner 3, the lower end face of the right stem lifter 2 is fixedly connected with the upper end of the second soil turner 15, in an example, the stem lifter 2 can be fixed with the first soil turner 3 through a welding mode, the second soil turner 15 can be fixed with the stem lifter 2 through a welding mode, and the upper end of the stem lifter 2 is fixed on the lifting device 7 through, in the example, the upper end of the stalk support bracket 12 is welded with the lifting device 7, and the lower end is welded with the stalk support 2.

As shown in fig. 1 to 9, the lifting device 7 includes a top support 701, the top support 701 includes side plates 7011, side plate grooves 7012, an upper frame 7013, a middle support plate 7014, a front support plate 7015, and a top support connection portion 7016, two side plates 7011 are symmetrically and fixedly installed on a lower end surface of the upper frame 7013, illustratively, the lower end surface of the upper frame 7013 and the two side plates 7011 can be fixed by welding, two side plate grooves 7012 are symmetrically arranged on an outer side of the side plates 7011, two top support connection portions 7016 fixedly connected with the retractor 1 are fixedly installed on one side of the upper frame 7013, illustratively, the retractor 1 can be welded with a mounting support, the top support connection portions 7016 and the mounting support on the retractor 1 are fixedly connected by bolts, there is no relative movement between the top support connection portions 7016 and the mounting support, the middle support plate 7014 is disposed in a middle portion of an upper end surface of a bottom, the middle support plate 7014 can increase the stability of the upper frame 7013, the front support plate 7015 is symmetrically and fixedly provided with two first motors 702, the two first motors 702 have the same rotating speed and opposite rotating directions, output shafts of the two first motors 702 respectively penetrate through two circular through holes on the front support plate 7015 and are fixedly connected with the driving pulley 703, for example, the output shaft of the first motor 702 and the driving pulley 703 can be in key connection, the driving pulley 703 and the driven pulley 705 are connected with the driven pulley 705 through the transmission belt 704, the driven pulley 705 and the front end roller 708 are both fixedly connected with the front end rotating shaft 706, the driven pulley 705 and the front end rotating shaft 706 do not rotate relatively, the front end rotating shaft 706 and the front end roller 708 do not rotate relatively, for example, the driven pulley 705 and the front end rotating shaft 706 can be in key connection, the front end rotating shaft 706 and the front end roller 708 can be in key connection, the driven pulley 705 and the front end roller 708 are both, the lower end face of a driven belt pulley 705 is attached to a front end fixing frame 707, the front end fixing frame 707 is fixedly installed at the front end of a side plate 7011, two rear end fixing frames 710 are fixedly installed at the rear end of the side plate 7011, the rear end fixing frames 710 are rotatably connected with a rear end roller 712 through a rear end rotating shaft 711, the front end roller 708 is connected with the rear end roller 712 through a lifting belt 709, a first motor 702 rotates to drive a driving belt pulley 703 to rotate, the rotating driving belt pulley 703 drives the driven belt 705 to rotate through a transmission belt 704 and simultaneously drive the front end roller 708 to rotate, the front end roller 708 drives the rear end roller 712 to rotate through the lifting belt 709, the rotating speeds and the rotating directions of the two first motors 702 are the same and opposite, so that the two lifting belts 709 are opposite in rotating direction, the Chinese cabbage can be clamped to ascend, the Chinese cabbage is clamped by the two lifting belts 709, the root cutter 4 is, the two sides of the side plate 7011 are both provided with middle roller supports 713, the middle roller supports 713 on the two sides are arranged at intervals, the whole middle roller support 713 is J-shaped, the lower end of the middle roller support 713 is bent and welded on the bottom surface of the side plate 7011, the middle roller support 713 is rotatably connected with the middle roller 714 through a bearing, the inner ring of the bearing is in interference fit with the middle roller supports 713, the outer ring is in interference fit with the inner wall of the middle roller 714, belt grooves with the same width as the side plate grooves 7012 are symmetrically arranged on the inner wall of the lifting belt 709, the upper end of the middle roller 714 is clamped in the upper side plate groove 7012 and the upper belt groove, the lower end of the middle roller 714 is clamped in the lower side plate groove 7012 and the lower belt groove, the inner wall surface of the front end of the lifting belt 709 is matched with the front end roller 708, the inner wall surface of the rear end of the lifting belt is matched with the, prevent to promote belt 709 and take place to vibrate in the motion process for promote the fine centre gripping chinese cabbage of belt 709 ability, prevent that chinese cabbage from taking place to incline and influence its transportation.

As shown in FIG. 10, the middle roller 714 comprises an upper boss 7141, a middle roller main body 7142 fixedly arranged at the lower end of the upper boss 7141, and a lower boss 7144 fixedly arranged at the lower end of the middle roller main body 7142, the lower end of the middle roller 714 is provided with a middle roller round hole 7143 penetrating through the lower boss 7144 and penetrating into the middle roller main body 7142, the maximum diameter of the middle roller main body 7142 is smaller than the maximum diameters of the upper boss 7141 and the lower boss 7144, the maximum diameters and the heights of the upper boss 7141 and the lower boss 7144 are equal, the bearing is arranged at the middle upper part of the middle roller round hole 7143, the outer ring of the bearing is in interference fit with the hole wall of the middle roller round hole 7143, the upper boss 7141 is clamped in the side plate groove 7012 and the leather belt groove at the upper part, the lower boss 7144 is clamped in the side plate groove 7012 and the leather belt groove at the lower part, the heights of the upper boss 7141 and the lower boss 7144 are equal to, The groove bottom of the belt groove is tangent.

As shown in fig. 11, the supporting plate 16 includes a supporting plate main body 1601, a supporting plate extension 1604 fixedly connected to the front end of the supporting plate main body 1601, and a supporting plate bending portion 1606 fixedly connected to the front end of the supporting plate extension 1604, for example, the supporting plate main body 1601, the supporting plate extension 1604, and the supporting plate bending portion 1606 may be formed by integral molding or by welding, the supporting plate bending portion 1606 may be bent downward to form a certain radian, so as to shield the upper half portion of the root cutter 4 from damage to the chinese cabbage when touching the upper half portion, and facilitate the chinese cabbage to enter the upper portion of the supporting plate 16 under the driving of the two lifting belts 709, two rows of supporting plate connecting portions 1602 are symmetrically disposed on the upper end surface of the supporting plate main body 1601, the upper end of the supporting plate connecting portion 1602 is fixedly connected to the side plate 7011, for example, the upper end of the supporting, the middle position of layer board main part 1601 sets up first rectangular channel 1603, sets up second rectangular channel 1605 on the layer board extension 1604, can leak the partial earth that chinese cabbage carried through first rectangular channel 1603 and second rectangular channel 1605.

As shown in fig. 12, the root cutter 4 includes a saw-tooth cutting disc 401, a second motor 402, and a root cutter support 403, an upper end surface of the root cutter support 403 is fixedly mounted on the front wheel support 5, for example, the upper end surface of the root cutter support 403 is fixed on the front wheel support 5 by welding, the front wheel rotating shaft 17 passes through a large hole on the root cutter support 403, the second motor 402 is fixedly mounted on the root cutter support 403, the saw-tooth cutting disc 401 is fixedly connected with an output shaft of the second motor 402, and the second motor 402 drives the saw-tooth cutting disc 401 to rotate to cut the root of the chinese cabbage.

As shown in fig. 4 and 13, the stem lifter 2 comprises a stem lifter tip 201, a semi-cylindrical section 202 fixedly connected with the stem lifter tip 201, and a stem lifter elongated section 203 fixedly connected with the semi-cylindrical section 202, the stem lifter elongated section 203 is provided with a stem lifter positioning hole 204, the lower end of the stem lifter bracket 12 is inserted into and welded with the stem lifter positioning hole 204, one end of the stem lifter elongated section 203 far away from the semi-cylindrical section 202 is fixedly connected with the front wheel bracket 5, a gap is formed between the end surface of the semi-cylindrical section 202 far away from the stem lifter tip 201 and the front end of the lifting belt 709 to prevent the semi-cylindrical section 202 from influencing the driving of the lifting belt 709, the lower end surfaces of the stem lifter tip 201, the semi-cylindrical section 202 and the stem lifter elongated section 203 are flush with the ground, the lower end surface of the stem lifter 2 is flush with the upper end surface of the sawtooth cutting disc 401, the sawtooth cutting disc 401 is positioned below the ground, and during harvesting of the Chinese cabbage, the outer side of the two stem lifters 201 gradually lift up the leaves to separate them from the ground, then the two semi-cylindrical sections 202 gather the leaves outside the Chinese cabbage, so that the Chinese cabbage can be conveniently lifted by the lifting belts 709 later, the outer plane of the lifting belts 709, which is close to the longitudinal symmetrical plane of the lifting device 7, is tangent to the side surfaces of the semi-cylindrical sections 202, and the gathered Chinese cabbage can conveniently enter between the two lifting belts 709.

As shown in fig. 4 and 14 to 16, the first soil turning device 3 comprises a first plate 301, a first upper inclined plate 302 fixedly connected with the first plate 301, the lower end of the first upper inclined plate 302 is fixedly connected with the first flat plate 301, for example, the first upper inclined plate 302 and the first lower inclined plate 303 can be fixed in a welding mode, the first flat plate 301, the first upper inclined plate 302 and the first lower inclined plate 303 can be fixed in a welding mode, the upper end surface of the first flat plate 301 is flush with the upper end surface of the first upper inclined plate 302, the lower end surface of the first lower inclined plate 303 is flush with the lower end surface of the first flat plate 301, the first flat plate 301 is parallel to the side plane of the lifting belt 709, an included angle between the first upper inclined plate 302 and the first flat plate 301 is smaller than 90 degrees, all the first soil turning devices 3 are located below the ground, and the first upper inclined plate 302 and the first lower inclined plate 303 can push turned soil to one side away from the first flat plate 301.

As shown in fig. 4 and 17 to 19, the second soil turning device 15 includes a second plate 1501, a second upper sloping plate 1502 fixedly connected to the second plate 1501, and a second lower sloping plate 1503 fixedly connected to the second plate 1501, for example, the second upper sloping plate 1502 and the second lower sloping plate 1503 can be fixed by welding, the second plate 1501, the second upper sloping plate 1502 and the second lower sloping plate 1503 can be fixed by welding, the upper end surface of the second plate 1501 is flush with the second upper sloping plate, the lower end surface of the second lower sloping plate 1503 is flush with the lower end surface of the second plate 1501, the second plate 1501 is parallel with the side plane of the lifting belt 709, the included angle between the second upper sloping plate 1502 and the second plate 1501 is less than 90 °, the second soil turning device 15 is wholly below the ground, the second upper sloping plate 1502 and the second lower sloping plate 1503 push the turned soil to the side far away from the second plate 1501, the second soil turning device 15 and the first soil turning device 3 are symmetrical about the symmetry axis of the lifting device 7, the first soil turning device 3 and the second soil turning device 15 turn soil close to two sides of the Chinese cabbage towards a direction far away from the Chinese cabbage, two grooves are formed on two sides of the Chinese cabbage, resistance is reduced when the subsequent root cutter 4 cuts Chinese cabbage roots, and energy consumption of the sawtooth cutting disc 401 is reduced.

As shown in fig. 1 to 4, the rear end of the tractor 1 is fixedly mounted on the connecting plate 14, the rear end of the connecting plate 14 is fixedly mounted on the bearing device 9, the horizontal transmission device 8 driven by the third motor 13 is arranged behind the lifting device 7, the third motor 13 is fixedly mounted on the outer side surface of the bearing device 9, the horizontal transmission device 8 is arranged in the bearing device 9 and fixed on the bearing device 9 through screws, an operation table 10 is arranged on one side of the horizontal transmission device 8, the operation table 10 is arranged in the bearing device 9 and fixed on the bearing device 9 through screws, a collecting box 11 is suspended outside the bearing device 9, and the horizontal transmission device 8 receives the cabbages conveyed to the top end by the lifting device 7 and conveys the received cabbages to the operation table 10.

As shown in fig. 20, the carrying device 9 includes a carrying device main body 901, six rear wheels 902 rotatably installed below the carrying device main body 901, a working pedal 903 fixedly installed at the rear end of the carrying device main body 901, a worker stands on a horizontal plate of the working pedal 903, a vertical plate of the working pedal 903 can block the worker to prevent the worker from falling off from the rear, L-shaped hooks 904 suspending the collecting box 11 are symmetrically and fixedly installed at the right side of the carrying device main body 901, illustratively, the L-shaped hooks 904 can be fixed on the carrying device main body 901 by welding, four fixing plates 905 for fixing the operation table 10 are fixedly installed on the upper end surface of the carrying device main body 901, illustratively, the fixing plates 905 can be fixed on the carrying device main body 901 by welding, the operation table 10 is fixed on the fixing plates 905 by screws, two limiting frames 906 are arranged at the front end of the carrying device main body 901, the upper end of the limiting frame 906 is fixedly connected with the lifting device 7.

As shown in fig. 21, the collecting box 11 includes a collecting box main body 1101, two hanging rings 1102 symmetrically and fixedly installed at the front end of the collecting box main body 1101, a T-shaped support bar 1104 fixedly installed at the rear end of the collecting box main body 1101, and two handles 1103 symmetrically arranged at two sides of the collecting box main body 1101, for example, the two handles 1103 can be fixed at two sides of the collecting box main body 1101 in a welding manner, the cross section of the handle 1103 is U-shaped, and is convenient to hold, the height of a through hole in the middle of the hanging ring 1102 is equal to the height of the hook 904, the width of the through hole is equal to the width of the hook 904, the thickness of the hanging ring 1102 is equal to the length of the horizontal section of the hook 904.

As shown in fig. 22, the horizontal transmission device 8 includes a horizontal belt 801, the horizontal belt 801 is engaged with two horizontal rollers 804, an output shaft of the third motor 13 is fixedly connected with the horizontal roller 804 close to the console 10, two ends of the horizontal roller 804 are respectively rotatably connected with a high baffle 802 and a low baffle 805, lower ends of the high baffle 802 and the low baffle 805 are fixed by a bottom bracket 806, a lower end of the bottom bracket 806 is fixed on the bearing device 9 by a screw, the high baffle 802 is welded with a side baffle 803, a lower end of the side baffle 803 is flush with a lower end of the bottom bracket 806, an outer side of the side baffle 803 is fixed on the bearing device 9 by a screw, the third motor 13 drives the horizontal roller 804 to rotate, thereby driving the horizontal belt 801 to rotate, the chinese cabbage lifted by the lifting device 7 to the top falls on the horizontal belt 801, and the horizontal belt 801 sends the received chinese cabbage to the console 10.

As shown in fig. 23, the operation table 10 includes a storage box 1001, two long roller supports 1002 fixedly installed at the upper end of the storage box 1001, and a long roller 1003 rotatably connected to the two long roller supports 1002, one side of the opening of the storage box 1001 is closed, a worker standing on the carrying device 9 takes off useless leaves outside the chinese cabbage conveyed by the horizontal belt 801 to the operation table 10 and cuts off the residual roots, the chinese cabbage 1001 is dropped into the storage box 1001 from a gap between the adjacent long rollers 1003, the worker slides the taken-off chinese cabbage on the long roller 1003 to the collection box 11 and then puts the same into the collection box 11, the collection box 11 can be taken off from the carrying device 9 after being filled with the chinese cabbage, and the empty collection box 11 is installed after the chinese cabbage leaves in the storage box 1001 are pulled out by a tool to continue harvesting the chinese cabbage.

When the utility model is used, the tractor 1 is arranged at the periphery of the Chinese cabbage field and harvests the Chinese cabbage from outside to inside along the periphery of the Chinese cabbage field, the lifting device 7 is close to the most outer circle of the Chinese cabbage field, the tractor 1 is adjusted to align the Chinese cabbage to be harvested with the space between the two stem lifters 2, as the tractor 1 moves forwards, the first soil turner 3 and the second soil turner 15 turn the soil close to the two sides of the Chinese cabbage towards the direction far away from the Chinese cabbage, two ditches are formed at the two sides of the Chinese cabbage to reduce the resistance when the root of the Chinese cabbage is cut by the sawtooth cutting disc 401, the two stem lifter sharp sections 201 lift the leaves outside the Chinese cabbage gradually to separate from the ground, then the two semi-cylindrical sections 202 collect the leaves outside the Chinese cabbage, when the two lifting belts 709 just contact the Chinese cabbage, the sawtooth cutting disc 401 below the ground starts to cut the root of the Chinese cabbage until cutting, the lifting belts 709 contact the root of the Chinese cabbage to increase the stability when cutting the root of the Chinese cabbage, the Chinese cabbage is favorably stably positioned between the two lifting belts 709 and is not prone to tilting, the Chinese cabbage ascends to the topmost end along with the lifting belts 709 and falls on the horizontal belt 801, the horizontal belt 801 conveys the received Chinese cabbage to the operating platform 10, a worker standing on the bearing device 9 scrapes off useless leaves outside the Chinese cabbage conveyed to the operating platform 10 by the horizontal belt 801 and discards the residual roots into the storage box 1001, the worker slides the scraped Chinese cabbage on the long roller 1003 to the side of the collection box 11 and then puts the Chinese cabbage into the collection box 11, the collection box 11 can be taken down from the bearing device 9 after being filled with the Chinese cabbage, and the empty collection box 11 is installed after the Chinese cabbage leaves in the storage box 1001 are pulled out by a tool to continue harvesting the Chinese cabbage.

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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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.

Claims (10)

1. The Chinese cabbage harvester comprises a tractor and a lifting device, and is characterized in that: one side of the lifting device is fixed on the tractor, the lower end of the lifting device is fixedly provided with a front wheel support, two front wheel support connecting parts are symmetrically arranged on the front wheel support, a front wheel rotating shaft is fixedly arranged on the front wheel support, two sides of the front wheel rotating shaft are in rotating connection with the front wheel, a supporting plate which is arranged in parallel with the lifting device is fixedly arranged below the lifting device, the supporting plate is positioned above the root cutter, the upper end face of the root cutter is fixedly arranged on the front wheel support, two stem holding devices are symmetrically and fixedly arranged on the front end face of the front wheel support, the lower end face of the stem holding device on the left side is fixedly connected with the upper end of the first soil turning device, the lower end face of the stem holding device on the right side is fixedly connected with the upper end of the second soil turning device, the upper end of the stem holding device is fixed on the lifting device through the stem holding device support, the lifting device, The tractor comprises side plate grooves, an upper frame, a middle support plate, a front support plate and a top support connecting part, wherein two side plates are symmetrically and fixedly installed on the lower end surface of the upper frame, two side plate grooves are symmetrically arranged on the outer sides of the side plates, two top support connecting parts fixedly connected with a tractor are fixedly installed on one side of the upper frame, the middle support plate is arranged in the middle of the upper end surface of a bottom plate of the upper frame, the front support plate is arranged at the front part, two first motors are symmetrically and fixedly installed on the front support plate, the rotating speeds and the rotating directions of the two first motors are the same and opposite, output shafts of the two first motors respectively penetrate through two circular through holes in the front support plate to be fixedly connected with a driving belt pulley, the driving belt pulley is connected with a driven pulley through a transmission belt, the driven pulley and a front end roller are fixedly connected with a front end, the end surface is laminated with the front end mount under the driven pulley, front end fixed mounting is at the front end of curb plate, two rear end fixed mountings of rear end fixed mounting of curb plate, the rear end fixed mounting passes through the rear end pivot with the rear end cylinder and rotates to be connected, the front end cylinder passes through the promotion belt with the rear end cylinder and is connected, the curb plate both sides all set up middle part roller support, middle part roller support passes through the bearing and rotates with the middle part roller to be connected, the inner circle and the middle part roller support interference fit of bearing, the inner wall interference fit of outer lane and middle part roller, the symmetry sets up the race that is the same width with the curb plate recess on the inner wall of promotion belt, the upper end card of middle part roller is in curb plate recess and the race on upper portion, and the lower extreme card is in curb.

2. The Chinese cabbage harvester according to claim 1, wherein: the middle roller comprises an upper boss, a middle roller main body fixedly arranged at the lower end of the upper boss, and a lower boss fixedly arranged at the lower end of the middle roller main body, the lower end of the middle roller is provided with a middle roller round hole which penetrates through the lower boss and goes deep into the middle roller main body, the maximum diameter of the middle roller main body is smaller than the maximum diameters of the upper boss and the lower boss, the maximum diameters and the heights of the upper boss and the lower boss are equal, the bearing is positioned at the middle upper part of the round hole of the middle roller, the outer ring of the roller is in interference fit with the hole wall of the round hole of the roller at the middle part, the upper boss is clamped in the groove of the side plate at the upper part and the groove of the belt at the upper part, the lower boss is clamped in a side plate groove in the lower portion and a belt groove in the lower portion, the height of the upper boss and the height of the lower boss are equal to the width of the side plate groove and the width of the belt groove, and the outer walls of the upper boss and the lower boss are tangent to the bottoms of the side plate groove and the belt groove.

3. A chinese cabbage harvester according to claim 1 or 2, characterized in that: the supporting plate comprises a supporting plate main body, a supporting plate extending portion and a supporting plate bending portion, wherein the supporting plate extending portion is fixedly connected with the front end of the supporting plate main body, the supporting plate bending portion is fixedly connected with the front end of the supporting plate extending portion, two rows of supporting plate connecting portions are symmetrically arranged on the upper end face of the supporting plate main body, the upper ends of the supporting plate connecting portions are fixedly connected with the side plates, a first rectangular groove is arranged in the middle of the supporting plate main body, and a second rectangular.

4. The Chinese cabbage harvester according to claim 1, wherein: root cutter includes sawtooth cutting disc, second motor, root cutter support up end fixed mounting is on the front wheel support, second motor fixed mounting is on root cutter support, the output shaft fixed connection of sawtooth cutting disc and second motor.

5. The Chinese cabbage harvester according to claim 1 or 4, wherein: the stem lifter comprises a stem lifter tip section, a semi-cylindrical section fixedly connected with the stem lifter tip section, and a stem lifter lengthened section fixedly connected with the semi-cylindrical section, wherein a stem lifter positioning hole is formed in the stem lifter lengthened section, one end, far away from the semi-cylindrical section, of the stem lifter lengthened section is fixedly connected with the front wheel support, a gap is formed between the end face, far away from the stem lifter tip section, of the semi-cylindrical section and the front end of the lifting belt, the lower end face of the stem lifter is parallel and level with the upper end face of the sawtooth cutting disc, and the outer plane, close to the longitudinal symmetric surface of the lifting device, of the lifting belt is tangent to the side face of the semi-cylindrical section.

6. The Chinese cabbage harvester according to claim 5, wherein: the first soil turning device comprises a first flat plate, a first upper inclined plate fixedly connected with the first flat plate, and a first lower inclined plate fixedly connected with the first flat plate, the lower end of the first upper inclined plate is fixedly connected with the first lower inclined plate, the upper end surface of the first flat plate is flush with the upper end surface of the first upper inclined plate, the lower end surface of the first lower inclined plate is flush with the lower end surface of the first flat plate, the included angle between the first upper inclined plate and the first flat plate is less than 90 degrees, the second soil turning device comprises a second flat plate, a second upper inclined plate fixedly connected with the second flat plate, and a second lower inclined plate fixedly connected with the second flat plate, the upper end surface of the second flat plate is flush with the second upper inclined plate, the lower end surface of the second lower inclined plate is flush with the lower end surface of the second flat plate, the included angle between the second upper inclined plate and the second flat plate is smaller than 90 degrees, and the second soil turning device and the first soil turning device are symmetrical about the symmetry axis of the lifting device.

7. The Chinese cabbage harvester according to claim 1, wherein: the rear end fixed mounting of tractor is on the connecting plate, connecting plate rear end fixed mounting bears the weight of the device, the rear of hoisting device sets up the horizontal drive device that is driven by the third motor, third motor fixed mounting bears the weight of the device lateral surface, horizontal drive device arranges in and bears the weight of the device and through the fix with screw on bearing the device, horizontal drive device one side sets up the operation panel, the operation panel is arranged in bearing the weight of the device and through the fix with screw on bearing the device, the collecting box hangs in the bearing the device outside.

8. The Chinese cabbage harvester according to claim 7, wherein: the bearing device comprises a bearing device main body, six rear wheels rotatably arranged below the bearing device main body, and a working pedal fixedly arranged at the rear end of the bearing device main body, wherein two L-shaped hooks for hanging the collecting boxes are symmetrically and fixedly arranged at the right side of the bearing device main body, four fixing plates for fixing the operating platform are fixedly arranged on the upper end surface of the bearing device main body, the operating platform is fixed on the fixing plates through screws, two limiting frames are arranged at the front end of the bearing device main body, the upper ends of the limiting frames are fixedly connected with a lifting device, the collecting box comprises a collecting box main body, two hanging rings symmetrically and fixedly arranged at the front end of the collecting box main body, a T-shaped support rod fixedly arranged at the rear end of the collecting box main body, and two handles symmetrically arranged at two sides of the collecting box main body, the cross section of each handle is U-shaped, and, the width is equal to the width of the hook, and the thickness of the hanging ring is equal to the length of the horizontal section of the hook.

9. A Chinese cabbage harvester according to claim 7 or 8, characterized in that: horizontal transmission includes the level area, the level area cooperates with two horizontal rollers, the horizontal roller both ends rotate with high baffle and low baffle respectively and are connected, high baffle and low baffle lower extreme are fixed through the bottom support, the lower extreme of bottom support passes through the fix with screw on bearing the device, high baffle and side shield welding, the lower extreme and the bottom support lower extreme parallel and level of side shield, the lateral surface of side shield passes through the fix with screw on bearing the device.

10. The Chinese cabbage harvester according to claim 7, wherein: the operation panel includes storing box, fixed mounting two long roller bearing supports in storing box upper end, rotates the long roller bearing of being connected with two long roller bearing supports, storing box one side opening one side is sealed.

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