CN107750576B - Self-propelled garlic combine harvester - Google Patents

Abstract

The invention relates to a self-propelled garlic combine harvester which comprises a chassis, an excavating device, a seedling pulling and dividing device, a clamping and conveying device, a garlic head conveying device and a collecting device, wherein a main frame of the clamping and conveying device is provided with a seedling cutting device, and the self-propelled garlic combine harvester also comprises an aligning root cutting device which is positioned in front of the seedling cutting device and is fixed on the bottom surface of the main frame. The garlic harvester can complete digging, soil removal, root cutting, conveying and collection of single-row garlic at one time, and can be suitable for meeting different row spacing; the inclination angle of the seedling dividing device and the ground can be adjusted according to different planting modes and growth conditions of the garlic, so that the garlic seedling dividing device is suitable for the garlic with different specifications; the inclination angle of the clamping device can be adjusted according to different working requirements; the clamping depth-limiting soil removing device adopts two clamping belts, so that the contact area between the clamping belts and the garlic seedlings is increased, and the garlic seedlings are prevented from being damaged by the clamping belts; the volume and the space occupied by the collecting device when the collecting device is walking can be reduced through folding.

Description

Self-propelled garlic combine harvester

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to a self-propelled garlic combine harvester.

Background

The annual output of garlic in China is increasing day by day, and the perennial planting area of garlic in China is large and exceeds more than 60% of the cultivation area of garlic in the world. In addition to supplying the garlic for mass consumption in China, most of the products are sold in Russia, japan and other foreign areas, and although the planting amount of the garlic is increasing, the mechanized harvesting process of the garlic in China is very slow. At present, there are two main ways for harvesting garlic in China: one is traditional manual harvesting and the other is special harvesting machine harvesting. The traditional manual harvesting has the problems of intensive labor, high operation intensity, much occupied farming season, low efficiency and the like; the special harvesting machine has the problems of low harvesting quality and large loss in the harvesting process.

Although some garlic mechanical harvesters in the current domestic market solve the problems to a certain extent, the garlic mechanical harvesters generally have the problems of complex operation, low efficiency, difficult performance meeting requirements and insufficient optimization of operation cost.

The invention patent with application number 201510497335.3 discloses a garlic harvester, which adopts a manual hand-held machine to advance for harvesting, and has the advantages of low power, low harvesting speed, more complex manual operation and low garlic harvesting mechanization degree.

The invention discloses a garlic combine harvester, which realizes the harvesting of garlic by a reciprocating vibration mechanism which transversely and longitudinally reciprocates along the advancing direction of a vehicle, but the mechanism cannot adapt to other terrains, has poor adaptability and low harvesting efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the self-propelled garlic combine harvester which can complete the digging, soil removal, root cutting, conveying and collection of single-row garlic at one time, greatly improve the harvesting efficiency and be suitable for various terrains and working conditions.

The invention is realized through the following technical scheme, a self-propelled garlic combine harvester is provided, which comprises a chassis, an excavating device, a seedling poking and dividing device, a clamping and conveying device, a garlic head conveying device and a collecting device, wherein the chassis is provided with a power system, the excavating device, the seedling poking and dividing device, the clamping and conveying device, the garlic head conveying device and the collecting device are arranged on the chassis, a seedling cutting device is arranged on a main frame of the clamping and conveying device, the garlic combine harvester also comprises an aligning root cutting device which is arranged in front of the seedling cutting device and fixed on the bottom surface of the main frame, the aligning root cutting device comprises a transmission cover fixedly connected with the main frame and a transmission shaft connected in the transmission cover, one end of the transmission shaft is connected with the power system, the transmission shaft is respectively connected with a fluted disc rotating shaft I and a fluted disc rotating shaft II which extend out of the transmission cover through two bevel gear transmission pairs axially distributed along the transmission shaft, the fluted disc rotating shaft I is fixedly connected with a root cutting fluted disc I outside the transmission cover, and a fluted disc rotating shaft II which is fixedly connected with a root cutting fluted disc II outside the transmission cover;

still include with the transmission cover rigid coupling just is located left guide bar, right guide bar in the place ahead of root cutting fluted disc I and the laminating of root cutting fluted disc II, left side guide bar and right guide bar coplane just are the contained angle of certain angle, the plane at left side guide bar and right guide bar place is along garlic direction of delivery tilt up.

According to the scheme, the power system provides power for the movement of the whole machine and the movement of each part, the garlic is dug out from soil through the digging device, the seedling dividing and seedling backward shifting are carried out on the dug garlic through the seedling shifting and seedling dividing device, the garlic seedlings are clamped through the clamping and conveying device and conveyed backward, when conveyed to the seedling cutting device, the seedling cutting device cuts off the garlic seedlings, the garlic heads fall on the garlic head conveying device, and are conveyed to the collecting device by the garlic head conveying device for temporary storage. This scheme has still set up and has aimed at and cut a device, and when the garlic was carried and is aimed at and cut a position, left guide bar and right guide bar will hang up the garlic of low excessively for the garlic can be through cutting a device at same horizontal plane, can effectively avoid cutting a fluted disc I and cutting a fluted disc II and cause mechanical damage to the garlic like this, can effectively amputate the root of garlic again simultaneously, plays fine root effect of cutting.

As optimization, the left guide rod and the right guide rod are fixedly connected with the transmission cover through a left alignment support and a right alignment support respectively, and clamping grooves for clamping the left guide rod and the right guide rod are fixedly arranged on the left alignment support and the right alignment support respectively; the included angle between the left guide rod and the right guide rod is 30-60 degrees, and the included angle between the plane where the left guide rod and the right guide rod are located and the plane where the root cutting fluted disc I and the root cutting fluted disc II are located is 30-60 degrees. This optimization scheme's left guide bar and right guide bar are fixed in respectively through the draw-in groove on the support aligns the support in the left side and the right side, are convenient for carry out the adjustment of protrusion distance according to the difference of garlic, satisfy more in service behavior, and the setting of left guide bar and right guide bar contained angle both can hold up the garlic of carrying, has guaranteed the sufficient scope of accomodating again, and the setting of left guide bar and right guide bar inclination can guarantee that the garlic passes through smoothly and surely puts up.

Preferably, a transmission gear is fixedly arranged at one end of the transmission shaft connected with the power system, and the transmission shaft is connected with the transmission cover through a bearing. The power transmission reliability is stronger through the transmission gear, and the friction force during rotation is reduced through the arrangement of the bearing.

Preferably, the reel dividing device comprises a reel sleeve plate I and a reel sleeve plate II which are arranged on the chassis, and a dividing device arranged on the reel sleeve plate I or the reel sleeve plate II, wherein an annular reel belt I is arranged on the reel sleeve plate I through a reel gear set I, an annular reel belt II which is perpendicular to the reel belt I and has the same reel direction is arranged on the reel sleeve plate II through a reel gear set II, the reel belt I and the reel belt II are respectively connected with a power transmission mechanism for driving the reel belt I and the reel belt II to rotate, the power transmission mechanism comprises a transmission gear box arranged on the chassis, and two output ends of the transmission gear box respectively drive the reel gear set I and the reel gear set II to rotate through a reel transmission rod I and a reel transmission rod II. The optimized scheme utilizes the power transmission mechanism to receive the power transmitted by the garlic combine harvester, then drives the reel belts I and II to rotate for reel, and the reel belts I and II are vertically arranged, so that the unflexed and the lodging garlic can be simultaneously and backwards reel without mutual influence; the garlic seedlings are separated by the seedling separating device, garlic is separated from weeds, and the orderly and smooth seedling shifting is ensured.

Preferably, the seedling dividing device comprises a guide frame hinged to the seedling pulling sleeve plate I, a seedling dividing cover fixedly arranged at the front end of the guide frame and an adjusting rod with one end fixedly connected with the guide frame and the other end extending along the seedling pulling direction, a vertical plate through which the adjusting rod penetrates is fixedly arranged on the seedling pulling sleeve plate I, and an adjusting nut is connected to the adjusting rod, far away from the guide frame, of the vertical plate through threads. The standing grain is divided to this scheme utilization branch standing grain cover, will treat the garlic of reaping and guide backward, stretches out the length of riser through adjusting the adjusting lever, adjusts the angle of dividing the standing grain cover to satisfy different branch standing grain demands and topography condition.

As optimization, centre gripping conveyor include the assembly, install in two sets of driven pulleys and driving pulley on the assembly to and the holding belt of connecting driving pulley and driven pulley, be equipped with two holding belts that distribute from top to bottom on every driven pulley of group and the driving pulley, the rigid coupling has the brush of going soil on the driven pulley, the rigid coupling has with the horizontal rotating shaft that driving system connects on the assembly. According to the optimized scheme, the garlic seedlings are clamped and conveyed backwards through the two groups of clamping belts, and each group of two clamping belts increases the contact area and effectively avoids the garlic seedlings from being damaged by the clamping belts; the soil removing brush is driven to rotate by the driven belt wheel, so that soil adhered to the root of the garlic is removed, and the cleanliness of the garlic is improved; the power transmitted by the garlic harvester is received through the horizontal rotating shaft, and the whole device is driven to rotate, so that the adjustment of the inclination angle is realized.

Preferably, the inner side of the clamping belt is provided with a pre-tightening device, the pre-tightening device comprises an adjusting wheel, a wheel surface of the adjusting wheel is tightly attached to the clamping belt, a vertical plate is fixedly connected to the adjusting wheel, the vertical plate is connected with an adjusting bolt arranged along the tensioning direction through threads, and pre-tightening nuts are respectively arranged on the two sides of the adjusting bolt penetrating through the main frame. This optimization scheme stretches out the length of always putting up through adjustment adjusting bolt, alright carry out tensioning or relax the operation to the centre gripping area, make things convenient for the pretension of centre gripping area, guarantee the reliability that the centre gripping was carried.

Preferably, the main frame is fixedly connected with a support rod extending forwards through a depth-limiting support plate, the front end of the support rod is connected with a depth-limiting arm through a horizontal shaft in a shaft mode, and a land wheel is mounted at the front end of the depth-limiting arm. This optimization scheme passes through the coupling of cradling piece and limit for depth arm, when this device inclination is adjusted, keeps land wheel and ground contact to reduce walking friction.

Preferably, the collecting device comprises a bottom plate, and a left baffle, a front baffle and a right baffle which are sequentially arranged along the circumferential direction of the bottom plate and are hinged to the bottom plate, wherein a collecting space is formed by the bottom plate, the left baffle, the front baffle and the right baffle, the left baffle and the front baffle, the front baffle and the right baffle are connected through bolts, at least two suspension arms are fixedly arranged on one side of the bottom plate opposite to the front baffle, and each suspension arm comprises a suspension rod vertically and fixedly connected with the bottom plate, and a protruding shaft arranged on the suspension rod in a penetrating mode. According to the optimal scheme, a space formed by the bottom plate, the left baffle, the front baffle and the right baffle is used as a garlic collecting space, garlic enters from the rear side for temporary storage, after harvesting is completed, the left baffle or the right baffle is opened, the garlic is unloaded, then the front baffle and the left baffle or the right baffle are disassembled, and the garlic is folded towards the bottom plate, so that the occupied area is reduced; the suspension arm is arranged, so that the suspension arm is conveniently connected with the chassis, and the integral disassembly and assembly of the collecting device are realized; the folding garlic harvester has the advantages that the protruding shaft is connected with the chassis, only the shaft hole needs to be formed in the position to be connected, the mounting is convenient, the manufacturing cost is reduced, meanwhile, the folding collecting device can be folded to the garlic harvester body around the protruding shaft, and the occupied space is further reduced.

As an optimization, the chassis comprises chassis supports provided with two crawler wheels and two suspension rods fixedly connected to the left and right of the front ends of the chassis supports, the crawler of the crawler wheels is a rubber belt, an operating platform, a seat and the power system are sequentially and fixedly arranged on the chassis support opposite to one of the crawler wheels from front to back, the power system comprises an engine connected with a hydraulic oil pump, a radiator connected with the engine is fixedly connected to the chassis support on one side of the seat close to the outside, and the hydraulic oil pump is connected with a hydraulic motor driving the crawler wheels to rotate through an oil pipe. The optimized scheme adopts the rubber crawler wheels as the travelling wheels, utilizes the hydraulic motor as a power source, has strong cross-country performance and high climbing capacity, can adapt to various complex terrains and soils, arranges the operating platform, the seat and the engine above the crawler wheel on one side, reserves the space above the crawler wheel on the other side for the rest parts of the harvester, avoids the deformation of the chassis bracket under pressure, and arranges the seat in a position, thereby not only facilitating the operation on the operating platform, but also facilitating the observation of the working conditions of the radiator, the hydraulic oil pump and the rest parts of the harvester by an operator, facilitating the timely finding of problems and ensuring the smooth operation of harvesting; through the reserved suspension rod, the rest parts of the harvester can be conveniently connected, and the installation time of the whole harvester is saved.

The beneficial effects of the invention are as follows:

1. can complete the digging, soil removal, root cutting, conveying and collection of single-row garlic at one time, and can be suitable for meeting different row spacing.

2. The inclination angle of the seedling dividing device and the ground can be adjusted according to different planting modes and growth conditions of the garlic, so that the garlic seedling dividing device is suitable for the garlic with different specifications. The adjusting rod is used for stretching and retracting through an adjusting nut which is arranged on the adjusting rod in an elastic mode, and then different angles of the seedling dividing device are adjusted.

3. The inclination angle of the clamping device can be adjusted according to different working requirements. The clamping depth-limiting soil removing device is characterized in that two clamping belts are arranged side by side from top to bottom, so that the contact area between the clamping belts and garlic seedlings is increased, the garlic seedlings are prevented from being damaged by the clamping belts, and the tightness of the clamping belts can be adjusted by adjusting the pre-tightening mechanism of the clamping conveying device.

4. The garlic to be harvested can be supported by the left aligning support and the right aligning support, so that the garlic can be on the same horizontal plane, a good aligning effect is achieved, and damage to the garlic in the root cutting process is avoided.

5. Can form a plate shape by folding and rotating the rotating shaft so as to reduce the volume and space occupied by the collecting device when the collecting device walks.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

FIG. 4 is an isometric view of a structure of the present invention;

FIG. 5 is a front view of the chassis structure of the present invention;

FIG. 6 is a left side view of the chassis structure of the present invention;

FIG. 7 is an isometric view of the track chassis of the present invention;

FIG. 8 is an isometric view of the dividing and lifting device of the present invention;

fig. 9 is a rear view of the dividing and lifting device of the present invention;

fig. 10 is a schematic view of the installation structure of the reel I of the present invention;

FIG. 11 is an isometric view of the clamp delivery device of the present invention;

FIG. 12 is an enlarged view of the power end of the gripping and conveying device of the present invention;

FIG. 13 is a schematic view of the soil removing brush of the present invention;

FIG. 14 is an isometric view of the alignment root cutting device of the present invention;

FIG. 15 is a front view of the aligning root cutting device of the present invention;

FIG. 16 is an isometric view of the collection device of the present invention;

shown in the figure:

1. a chassis, 2, a standing grain poking and separating device, 3, an excavating device, 4, a clamping and conveying device, 5, an aligning root cutting device, 6, a seedling cutting device, 7, a garlic head conveying device, 8, a collecting device, 101, a chassis bracket, 102, an engine support, 103, a suspension rod, 104, a front support plate, 105, a bearing wheel bracket, 106, a bearing wheel, 107, a track, 108, a driving wheel bracket, 109, a driving wheel, 1010, a hydraulic motor, 1011, a steering wheel bracket, 1012, a steering wheel, 1013, an engine, 1014, an operation platform, 1015, a seat, 1016, a brake pedal, 1017, a steering rod, 1018, an excavating rod, 1019, a hydraulic oil pump, 1020, an oil pipe, 1021, a radiator, 201, a fixed seat, 202, a guide frame, 203, a guide rod, 204, a standing grain poking cover, 205, an adjusting rod, 206, an adjusting nut, 207, a standing grain poking sleeve plate I,208, a standing grain poking sleeve plate II,209 and a standing grain poking belt I,2010, a reel belt II,2011, a reel gear set I,2013, a reel transmission rod I,2014, a reel transmission rod II,2015, 2016, a support I,2017, a support II,401, a driving pulley, 402, a spline shaft, 403, a gearbox, 404, a transmission gear, 405, a driven pulley, 406, a clamping belt, 407, a clamping wheel, 408, an adjusting wheel, 409, an adjusting bolt, 4010, a pre-tightening nut, 4011, a general frame, 4012, a supporting plate, 4013, a horizontal rotating shaft, 4014, a depth limiting supporting plate, 4015, a support rod, 4016, a depth limiting arm, 4017, a land wheel, 4018, a disc plate, 4019, a soil removing brush, 4020, a screw, 4021, a wheel shaft, 501, a transmission cover, 502, a left aligning bracket, 503, a right aligning bracket, 504, a root cutting fluted disc I,505, a root cutting fluted disc II,506, a fluted disc rotating shaft I,507, a fluted disc rotating shaft II,508, a transmission shaft, 509, a transmission gear 510, a bearing, 801, 802. suspension arms I and 803, suspension arms II and 804, a left baffle plate 805, a right baffle plate 806, a front baffle plate 807, suspension buckles 808, a hinge shaft 809, a connecting bolt 810 and a connecting seat.

Detailed Description

In order to clearly explain the technical features of the present solution, the present solution is explained by the following detailed description.

As shown in fig. 1 to 7, the self-propelled garlic combine harvester comprises a chassis 1 provided with a power system, an excavating device 3, a seedling pulling and dividing device 2, a clamping and conveying device 4, a garlic head conveying device 7 and a collecting device 8 which are arranged on the chassis 1, wherein a seedling cutting device 6 is arranged on a main frame 4011 of the clamping and conveying device, and the garlic combine harvester further comprises an aligning root cutting device 5 which is positioned in front of the seedling cutting device and fixed on the bottom surface of the main frame 4011.

The aligning root cutting device 5 comprises a cylindrical transmission cover 501 and a transmission shaft 508 which is positioned in the transmission cover 501 and connected with the transmission cover through a bearing 510, one end of the transmission shaft 508 extends out of the transmission cover and is fixedly connected with a transmission gear 509, the transmission shaft 508 is respectively connected with a fluted disc rotating shaft I506 and a fluted disc rotating shaft II507 which extend out of the transmission cover through two bevel gear transmission pairs distributed along the axial direction, namely, two driving bevel gears distributed along the axial direction are fixedly sleeved on the transmission shaft in the transmission cover, the two driving bevel gears are respectively meshed with a driven bevel gear, the two driven bevel gears are respectively fixedly connected with the fluted disc rotating shaft I506 and the fluted disc rotating shaft II507, the fluted disc rotating shaft I506 and the fluted disc rotating shaft II507 are connected with the transmission cover through bearings, and the fluted disc rotating shaft I506 and the fluted disc rotating shaft II507 are parallel to each other and positioned at the same side of the transmission shaft.

A root cutting fluted disc I504 is fixedly connected to a fluted disc rotating shaft I506 outside the transmission cover, a root cutting fluted disc II505 which is in contact with the root cutting fluted disc I504 in a bonding manner is fixedly connected to a fluted disc rotating shaft II507 outside the transmission cover, the root cutting fluted disc I504 and the root cutting fluted disc II505 are both made of steel plates through punching, cutting teeth are arranged on the edges, when the fluted disc rotating shaft I506 and the fluted disc rotating shaft II507 rotate, the root cutting fluted disc I504 and the root cutting fluted disc II505 are driven to rotate, and garlic roots are cut by the root cutting fluted disc I504 and the root cutting fluted disc II 505.

A left guide rod and a right guide rod are arranged in front of the joint of the root cutting fluted disc I504 and the root cutting fluted disc II505, the left guide rod and the right guide rod are respectively fixedly connected with the transmission cover 501 through a left alignment support 502 and a right alignment support 503, the left alignment support 502 and the right alignment support 503 are formed by bending steel pipes, the fixedly connected points of the left guide rod and the right guide rod with the transmission cover 501 are respectively positioned on the left side of the root cutting fluted disc I504 and the right side of the root cutting fluted disc II505, clamping grooves for clamping the left guide rod and the right guide rod are respectively fixedly arranged on the left alignment support 502 and the right alignment support 503, the left guide rod and the right guide rod are clamped in the clamping grooves during use, the extending lengths of the left guide rod and the right guide rod can be conveniently adjusted, and the garlic harvesting requirements of different specifications are met.

In order to ensure that the garlic is smoothly supported, the coplanar angle between the left guide rod and the right guide rod is 60 degrees, the plane where the left guide rod and the right guide rod are located inclines upwards along the garlic conveying direction, and the included angle between the plane where the left guide rod and the right guide rod are located and the plane where the root cutting fluted disc I and the root cutting fluted disc II are located is 30 degrees.

The seedling pulling and dividing device comprises a seedling pulling sleeve plate I207 and a seedling pulling sleeve plate II208 which are arranged on the chassis 1, and a seedling dividing device arranged on the seedling pulling sleeve plate I or the seedling pulling sleeve plate II.

An annular reel belt I209 is installed on the reel sleeve plate I207 through a reel gear set I2011, an annular reel belt II2010 which is perpendicular to the reel belt I and has the same reel direction is installed on the reel sleeve plate II208 through a reel gear set II, the reel belt I209 and the reel belt II2010 are rubber belts, and a plurality of soft racks are distributed along the circumferential direction.

The reel belt I and the reel belt II are respectively connected with a power transmission mechanism 2015 for driving the reel belt I and the reel belt II to rotate, the power transmission mechanism 2015 comprises a transmission gear box arranged on a chassis, the input end of the transmission gear box receives power of a power system, two output ends of the transmission gear box are respectively connected with a reel transmission rod I2013 and a reel transmission rod II2014 through a gear pair, the reel transmission rod I2013 drives one gear in a reel gear set I2011 to rotate through a bevel gear pair, and the reel transmission rod II drives one gear in a reel gear set II to rotate through a cylindrical gear pair. A support I2016 and a support II2017 for connecting the garlic harvester are sleeved on the reel transmission rod I2013.

As a preferable scheme, a vertical bevel gear fixedly connected with the input shaft is arranged in the transmission gear box of the embodiment, two sides of the vertical bevel gear are simultaneously meshed with two bevel gears fixedly connected with the output shafts respectively, and when the input shaft serving as an input end receives power to rotate, the two output shafts serving as output ends simultaneously rotate, so that the reel transmission rod I2013 and the reel transmission rod II2014 are driven to rotate.

The seedling dividing device comprises a guide frame 202, a seedling dividing cover 204 and an adjusting rod 205, wherein the guide frame 202 is hinged with a seedling pulling sleeve plate I207 through a fixing seat 201, the seedling dividing cover 204 is fixedly arranged at the front end of the guide frame, one end of the adjusting rod 205 is fixedly connected with the guide frame, the other end of the adjusting rod extends along the seedling pulling direction, the fixing seat 201 is formed by bending a steel plate and is fixedly connected with the seedling pulling sleeve plate I through a bolt, a vertical plate is fixedly arranged on the seedling pulling sleeve plate I, the adjusting rod, far away from one side of the guide frame, of the vertical plate is connected with an adjusting nut 206 through threads. The guide frame comprises a support rod which is enclosed into a vertical triangle, one corner of the triangle faces forwards, and guide rods 203 are fixedly arranged on two sides of the forward corner respectively. The support rods and the guide rods 203 are steel rods with a diameter of 10 mm.

Centre gripping conveyor is including the slope setting total 4011, install in total high-end two driving pulley of frame and install in total two driven pulleys 405 of frame low side, driving pulley 401 and driven pulley one-to-one respectively, corresponding driven pulley 405 and driving pulley pass through the holding belt 406 and connect, and all overlap on every driving pulley and the driven pulley and be equipped with two piece upper and lower holding belts, holding belt 406 inboard is equipped with installation and the last pinch roller 407 of total frame, extrude the adjacent side of two sets of belts to the direction that is close to each other through pinch roller 407, with the centre gripping and the backward transport of formation to the seedling garlic, total 4011 slope sets up and is formed by the rectangular pipe welding.

The inner side of the clamping belt 406 is further provided with a pre-tightening device, the pre-tightening device comprises an adjusting wheel 408, the wheel surface of the adjusting wheel is attached to the clamping belt, and the adjusting wheel 408 is connected with the main frame 4011 through an adjusting bolt 409 arranged along the tensioning direction. Specifically, a vertical plate is fixedly connected to the adjusting wheel 408, the vertical plate is connected to the adjusting bolt 409 through a thread, and two sides of the adjusting bolt, which penetrate through the main frame, are respectively provided with a pre-tightening nut 4010.

The high end of the general frame is fixed with a gearbox 403, the output end of the gearbox 403 is connected with a driving pulley through a spline shaft 402, the input end of the gearbox 403 is connected with a transmission gear 404, and the transmission gear 404 receives power transmitted by a power system, so that a clamping belt is driven to rotate.

The shaft 4021 of the driven pulley 405 extends downwards, a disc plate 4018 is fixedly connected to the lower end of the shaft, the disc plate 4018 is further fixedly connected with the driven pulley through a screw 4020, a soil removing brush 4019 made of plastic is fixedly connected to the disc plate, and the driven pulley rotates and simultaneously drives the disc plate and the soil removing brush to rotate so as to remove soil at the root of garlic.

The upper surface at total frame has the cradling piece 4015 that extends forward through the rigid coupling of limit for depth backup pad 4014, and cradling piece 4015 is formed by the diameter is bent for 30mm solid steel pipe, with limit for depth backup pad welded fastening, and the front end of cradling piece passes through the horizontal axis coupling and has limit for depth arm 4016, and land wheel 4017 is installed to limit for depth arm 4016's front end.

The lower surface welded fastening of general frame has backup pad 4012, and the perpendicular rigid coupling has a horizontal rotating shaft 4013 on backup pad 4012, and horizontal rotating shaft 4013 outside extends general frame, accepts power input through horizontal rotating shaft, realizes device inclination's regulation.

The collecting device comprises a bottom plate 801, a left baffle 804, a front baffle 806 and a right baffle 805 which are sequentially arranged along the circumferential direction of the bottom plate and hinged to the bottom plate through a hinge shaft 808, collecting spaces are formed by the bottom plate 801, the left baffle 804, the front baffle 806 and the right baffle 805, the left baffle and the front baffle, the front baffle and the right baffle are connected through bolts, and two suspension arms, namely a suspension arm I802 and a suspension arm II803, are fixedly arranged on one side of the bottom plate opposite to the front baffle.

The suspension arm I802 comprises a suspension rod vertically fixedly connected with the bottom plate 801 and a protruding shaft I penetrating through the suspension rod; hang arm II and include the pole that hangs with the perpendicular rigid coupling of bottom plate 801 to and wear to establish the protruding axle II on this pole that hangs, connect this collection device on the shaft hole that the garlic harvester corresponds through protruding axle I and protruding axle II during the use, can realize the holistic rotation of collection device.

A suspension buckle 807 and a suspension member used in cooperation with the suspension buckle 807 are installed at the upper edge of the front flap 806, and the suspension member is attached to the chassis in use, and is fixed by the suspension member and the suspension buckle after the collecting apparatus is integrally folded, so as to prevent the collecting apparatus from falling down due to bumping during the course of the movement of the collecting apparatus.

The left baffle, the right baffle and the front baffle are connected by connecting bolts 809, wherein the connecting seats 810 with the front ends extending out of the front baffle are fixedly arranged on the outer sides of the left baffle and the right baffle respectively, the front ends of the connecting seats 810 are provided with threaded holes, the outer side of the front baffle is fixedly provided with a connecting plate, the connecting plate is provided with through holes corresponding to the threaded holes, and the through holes are internally penetrated by the connecting bolts 809 matched with the threaded holes.

The chassis comprises a chassis support 101 provided with two crawler wheels and two suspension rods 103 which are fixedly connected with the left and right of the front end of the chassis support 101 and are arranged left and right, the suspension rods 103 comprise rod bodies fixedly connected with the chassis support and extending forwards, and U-shaped plates fixedly connected with the rod bodies, openings of the U-shaped plates face forwards, pin holes are formed in two side plates of each U-shaped plate, and the pin holes are simply and quickly formed by penetrating pin shafts when the U-shaped plates are connected with the rest parts of the harvester.

The crawler wheels comprise bearing wheel brackets 105 and driving wheel brackets 108 which are connected with the chassis brackets in a shaft mode, four bearing wheels 106 are installed on each bearing wheel bracket 105, a driving wheel 109 is installed on each driving wheel bracket 108, a hydraulic motor 1010 for driving the driving wheel 109 to rotate is installed on the driving wheel 109, and crawler belts 107 of the crawler wheels are rubber belts and are wound on the driving wheel and the bearing wheels for transmitting power and enabling equipment to walk.

Also included is a steering system that includes a steerable wheel support 1011 and steerable wheels 1012. The steering wheel bracket 1011 is arranged at the front end of the chassis bracket through a nut, and the tightness degree of the crawler belt can be adjusted by loosening the nut; the steering wheel 1012 is mounted on a steering bracket for steering the crawler chassis.

An operating platform 1014, a seat 1015 and the power system are fixedly arranged on the chassis support opposite to one of the crawler wheels in sequence from front to back, the power system comprises an engine 1013 connected with a hydraulic oil pump 1019, a radiator 1021 connected with the engine is fixedly connected on the chassis support at one side of the seat 1015 close to the outside, and the hydraulic oil pump is connected with a hydraulic motor 1010 driving the crawler wheels to rotate through an oil pipe 1020.

As an optimized scheme, the operating platform 1014 and the seat 1015 are fixed on the front support plate 104, and the front support plate 104 is connected with the chassis support through bolts; engine 1013 is fixed to engine mount 102, and engine mount 102 is fixed to the chassis bracket by bolts. The installation is more convenient, and the field installation time is saved.

The operating platform 1014 is provided with a brake pedal 1016, a steering rod 1017 and an excavating rod 1018 positioned on the right side of the steering rod, wherein the brake pedal 1016 is used for braking the crawler wheels, the steering rod 1017 is used for controlling the crawler wheels to steer, and the excavating rod 1018 is used for controlling the excavating work of the garlic combine harvester.

The crawler 107 of the crawler is a rubber belt, an operating platform 1014, a seat 1015 and the power system are sequentially and fixedly arranged on a chassis support opposite to one crawler from front to back, the power system comprises an engine 1013 connected with a hydraulic oil pump 1019, a radiator 1021 connected with the engine 1013 is fixedly connected on the chassis support at one side of the seat near the outside, and the hydraulic oil pump is connected with a hydraulic motor 1010 driving the crawler to rotate through an oil pipe 1020.

The digging device 3, the seedling cutting device 6 and the garlic bulb conveying device 7 in the embodiment can be completed by adopting the prior art, and are not described in detail herein.

The crawler-type chassis is adopted, so that the efficiency is improved, key components such as the seedling dividing device, the clamping device and the like can be adjusted according to the terrain and working conditions, the working efficiency is improved, and meanwhile, the requirement of agricultural machinery modernization is met.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a self-propelled garlic combine, is including installing driving system's chassis (1), and install excavating gear (3), reel standing grain dividing device (2), centre gripping conveyor (4), garlic head conveyor (7) and collection device (8) on chassis (1), install on centre gripping conveyor's total frame (4011) and cut seedling device (6), its characterized in that: the rice seedling transplanter is characterized by further comprising an aligning root cutting device (5) which is located in front of the rice seedling cutting device and fixed to the bottom surface of the main frame (4011), wherein the aligning root cutting device (5) comprises a transmission cover (501) fixedly connected with the main frame (4011) and a transmission shaft (508) connected in the transmission cover in a shaft mode, one end of the transmission shaft (508) is connected with the power system, the transmission shaft (508) is respectively connected with a fluted disc rotating shaft I (506) and a fluted disc rotating shaft II (507) which extend out of the transmission cover through two bevel gear transmission pairs distributed along the axial direction of the transmission shaft, a fluted disc rotating shaft I (504) outside the transmission cover is fixedly connected onto the fluted disc rotating shaft I (506), and a root cutting fluted disc II (505) which is in contact with the root cutting fluted disc I in a bonding mode is fixedly connected onto the fluted disc rotating shaft II (507) outside the transmission cover;

also comprises a left guide rod and a right guide rod which are fixedly connected with the transmission cover (501) and positioned in front of the joint of the root cutting fluted disc I and the root cutting fluted disc II, the left guide rod and the right guide rod are coplanar and form an included angle with a certain angle, and the plane where the left guide rod and the right guide rod are located is inclined upwards along the garlic conveying direction;

the left guide rod and the right guide rod are fixedly connected with the transmission cover through a left alignment bracket (502) and a right alignment bracket (503), and clamping grooves for clamping the left guide rod and the right guide rod are fixedly arranged on the left alignment bracket (502) and the right alignment bracket (503) respectively; the included angle between the left guide rod and the right guide rod is 30-60 degrees, and the included angle between the plane where the left guide rod and the right guide rod are located and the plane where the root cutting fluted disc I and the root cutting fluted disc II are located is 30-60 degrees;

a transmission gear (509) is fixedly arranged at one end of the transmission shaft connected with the power system, and the transmission shaft is connected with the transmission cover through a bearing (510);

the reel dividing device comprises a reel sleeve plate I (207) and a reel sleeve plate II (208) which are arranged on the chassis (1) and a dividing device arranged on the reel sleeve plate I or the reel sleeve plate II, wherein an annular reel belt I (209) is arranged on the reel sleeve plate I (207) through a reel gear set I (2011), an annular reel belt II (2010) which is vertical to the reel belt I and has the same reel direction is arranged on the reel sleeve plate II (208) through a reel gear set II, the reel belt I (209) and the reel belt II (2010) are respectively connected with a power transmission mechanism (2015) for driving the reel belt to rotate, the power transmission mechanism comprises a transmission gear box arranged on the chassis (1), and two output ends of the transmission gear box drive the reel gear set I and the reel gear set II to rotate through a reel transmission rod I (2013) and a reel transmission rod II (2014).

2. The self-propelled garlic combine harvester of claim 1, wherein: the seedling dividing device comprises a guide frame (202) hinged with the seedling pulling sleeve plate I (207), a seedling dividing cover (204) fixedly arranged at the front end of the guide frame, and an adjusting rod (205) with one end fixedly connected with the guide frame and the other end extending along the seedling pulling direction, wherein a vertical plate through which the adjusting rod passes is fixedly arranged on the seedling pulling sleeve plate I, and the adjusting rod on one side of the vertical plate far away from the guide frame is connected with an adjusting nut (206) through threads.

3. The self-propelled garlic combine harvester of claim 1, wherein: centre gripping conveyor includes total frame (4011), install in two sets of driven pulleys (405) and driving pulley on the total frame to and the centre gripping area (406) of connecting driving pulley and driven pulley, two centre gripping areas that distribute about being equipped with on every group driven pulley and the driving pulley, the rigid coupling has on the driven pulley to go native brush (4019), on the total frame the rigid coupling have with horizontal rotating shaft (4013) that driving system connects.

4. The self-propelled garlic combine harvester of claim 3, characterized in that: the inner side of the clamping belt (406) is provided with a pre-tightening device, the pre-tightening device comprises a regulating wheel (408) with a wheel surface tightly attached to the clamping belt, a vertical plate is fixedly connected to the regulating wheel (408), a regulating bolt (409) arranged along the tensioning direction is connected to the vertical plate through threads, and pre-tightening nuts (4010) are arranged on two sides of the regulating bolt penetrating through the main frame respectively.

5. The self-propelled garlic combine harvester of claim 4, wherein: the general frame (4011) is fixedly connected with a support rod (4015) extending forwards through a depth limiting support plate (4014), the front end of the support rod (4015) is connected with a depth limiting arm (4016) through a horizontal shaft, and a land wheel (4017) is installed at the front end of the depth limiting arm (4016).

6. The self-propelled garlic combine harvester of claim 1, wherein: the collecting device comprises a bottom plate (801) and a left baffle (804), a front baffle (806) and a right baffle (805) which are sequentially arranged in the circumferential direction of the bottom plate and are hinged to the bottom plate, collecting spaces are formed by the bottom plate (801), the left baffle (804), the front baffle (806) and the right baffle (805), the left baffle and the front baffle are connected through bolts, at least two suspension arms are fixedly arranged on one side, opposite to the front baffle, of the bottom plate, the suspension arms comprise suspension rods fixedly connected with the bottom plate in a perpendicular mode, and protruding shafts penetrate through the suspension rods.

7. The self-propelled garlic combine harvester of claim 1, wherein: chassis including install chassis support (101) and the rigid coupling of two athey wheels in suspension arm (103) of arranging about two of chassis support (101) front end, crawler (107) of athey wheel are the rubber tape, and from having set firmly operation panel (1014), seat (1015) and driving system after going to on the chassis support relative with one of them athey wheel in proper order, driving system is including engine (1013) that is connected with hydraulic oil pump (1019), the rigid coupling has on the one side chassis support that the seat leaned on the outer with radiator (1021) that engine (1013) are connected, hydraulic oil pump passes through oil pipe (1020) and drive athey wheel pivoted hydraulic motor (1010) is connected.

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