CN211721117U

CN211721117U - Lifting and conveying device of garlic combine harvester

Info

Publication number: CN211721117U
Application number: CN201922304972.0U
Authority: CN
Inventors: 彭宝良; 高学梅; 王公仆; 于昭洋
Original assignee: Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Current assignee: Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-23
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a garlic combine promotes conveyor belongs to agricultural machine technical field. The device comprises a main track mounting rack, a horizontal section collecting hopper and a mounting rack rear side plate, wherein the main track mounting rack enables a conveying rod chain to form an L-shaped loop; the main body of the conveying rod chain is two roller conveying chains which are parallel to each other and return to the ring, paired rods which are distributed at intervals are arranged between the two roller conveying chains, the interval distance between every two adjacent paired rods is less than that of garlic heads, and a garlic poking baffle and a grass poking baffle which are respectively positioned in the return ring and outside the return ring are fixed on the rods; the section of the garlic poking baffle plate is formed by a poking plate which extends inwards and is provided with baffle side plates with two inclined sides, and the grass poking baffle plate is in a channel steel shape with two side walls extending outwards; the vertical section of the L-shaped return ring is positioned at the outer side of the multi-channel header, and a discharge chute which leads the fallen garlic heads to the lifting clear soil conveying device is connected below the return ring at the top of the L-shaped return ring. The utility model properly solves the problem of gathering and grass discharge of garlic harvested by multiple rows; and the structure is compact, and a good foundation is laid for stable and reliable mechanized harvesting.

Description

Lifting and conveying device of garlic combine harvester

Technical Field

The utility model relates to a harvester, especially a garlic combine promotes conveyor belongs to agricultural machine technical field.

Background

The garlic is one of important economic crops, and the harvesting procedures of the garlic comprise digging and laying, seedling shearing, root cutting, soil removal and cleaning, collection and bagging and the like. Because garlic is seriously lodging during the harvesting period, how to convey the garlic in a required posture during the harvesting process so as to reliably complete the cutting of garlic sprouts on the basis of the posture is one of the difficult problems of garlic harvesting.

After the fruit and seedling separation is finished, the harvesting table of the existing multi-row garlic combined harvesting equipment adopts two mechanisms, namely a fruit transverse collecting and conveying device and a garlic seedling rear straw discharging roller, for processing operation, the structure is complex, the occupied space is large, and the subsequent garlic seedlings are difficult to process in a centralized way.

The Chinese patent with the application number of 2007100203576 discloses a rhizome crop combine harvester, which comprises a power walking chassis, a main frame arranged on the chassis, a harvesting platform hinged with the main frame, a digging shovel arranged on the harvesting platform, a soil removing mechanism and a separating mechanism positioned behind the digging shovel, and a clamping and conveying mechanism positioned above the digging shovel, the soil removing mechanism and the separating mechanism, wherein the separating mechanism is a blade drum type separating mechanism or a disc cutter type separating mechanism. In addition, chinese patent No. 201710212235.0 discloses a garlic harvester, which comprises a frame, a garlic lifting and feeding unit, a force-increasing vibration shovel, and a garlic breaking unit, wherein the garlic lifting and feeding unit, the force-increasing vibration shovel, and the garlic breaking unit are mounted on the frame, a garlic conveying unit fixedly connected to the frame is arranged below the garlic breaking unit, and a grass-cutting and grain-dividing device is mounted at the front end of the garlic lifting and feeding unit. The harvesting with the full width is not needed in the technical scheme, the problem of collecting garlic seedlings and garlic bulbs is not needed, but the operation efficiency is low, and the un-harvested land in the adjacent harvesting area is damaged by pressure when the garlic seedlings and the garlic bulbs are just started to work in the field, so that the loss is caused.

The application number 2012102465146 discloses a self-propelled garlic combine harvester, which comprises a walking chassis, an engine, a chassis, a lifting frame, a clamping device, a garlic seedling laying groove, a garlic bulb conveying groove, a garlic bulb collecting box and a chassis driving axle arranged on the walking chassis, wherein the chassis is connected with the walking chassis, the rear end of the lifting frame is connected with the chassis, the front end of the lifting frame is hinged with a lifting oil cylinder, the lifting oil cylinder rotates around a rotating shaft of the lifting frame, and the lower part of the front end of the lifting frame is provided with an excavating device. However, the garlic bulbs and the garlic seedlings are respectively collected by two sets of power devices which are arranged in front and back, so that the structure is complex, the reliability of the equipment is influenced, the length of the front extension cantilever of the harvesting table is increased, a longer reserved space of the field is needed, and the integral stability of the equipment is reduced.

The multi-row garlic combine harvester disclosed in the Chinese patent with the application number of 2018111991152 comprises a chassis, a digging shovel, a grain guiding device, a soil cleaning device, a flexible clamping device, a seedling cutting device, a seedling falling device, a conveying disc, a collecting and impurity removing device, a collecting port and a garlic head collecting device; can realize the harvesting of a plurality of rows of garlic together, can carry out the operations of digging, lifting and conveying, soil removal and purification, stem cutting and seedling throwing, gathering, vibration and impurity removal, automatic collection and the like on the garlic at one time; meanwhile, the garlic harvesting quality is guaranteed by the soil purifying device and the collecting and impurity removing device, and the garlic collecting device with the infrared detector can be automatically assembled and disassembled. According to the technical scheme, the garlic bulbs and the garlic seedlings are respectively collected in the front and back directions and are realized by two sets of power devices, the garlic seedlings are directly discharged to the ground between the chassis and the harvesting platform through the horizontal grass poking impeller and the inclined slide carriage, and the garlic seedlings are intensively laid into strips after being not collected; not only the structure is complicated, influences equipment reliability, has also lengthened the cantilever length that stretches ahead of results platform, leads to needing longer field head headspace and has reduced the holistic stability of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the problems in the prior art, the garlic combine harvester lifting and conveying device which can properly solve the problem of gathering and grass discharging of multi-row garlic harvesting and has a compact structure is provided, so that the full-width mechanical harvesting of garlic with high efficiency and good quality is realized.

In order to achieve the above purpose, the utility model discloses garlic combine promotes conveyor's basic technical scheme is: the multi-channel cutting machine comprises a main track mounting rack which enables a power-driven conveying rod chain to form an L-shaped loop, wherein a collecting hopper which is connected below the output end of a multi-channel cutting platform is arranged at one side of the lower part of the horizontal section of the L-shaped loop, which is close to the multi-channel cutting platform, and a mounting rack rear side plate is arranged at one side of the lower part of the horizontal section of the L-shaped loop;

the main body of the conveying rod chain is two roller conveying chains which are parallel to each other and return to the ring, paired rods which are distributed at intervals are arranged between the two roller conveying chains, the interval distance between every two adjacent paired rods is smaller than that of garlic heads, and a garlic poking baffle and a grass poking baffle which are respectively positioned in the return ring and outside the return ring are fixed on the rods; the section of the garlic poking baffle is formed by a poking plate which extends inwards and is provided with baffle side plates with two inclined sides, and the grass poking baffle is in a channel steel shape with two side walls extending outwards;

the vertical section of the L-shaped return ring is positioned at the outer side of the multi-channel header, and a discharge chute which leads the fallen garlic heads to the lifting clear soil conveying device is connected below the return ring at the top of the L-shaped return ring.

In the harvesting operation process, when the multi-channel header outputs the split garlic bulbs and garlic seedlings, the garlic bulbs enter the horizontal section of the conveying rod chain under the guiding action of the collecting hopper, the garlic bulbs are intercepted by the rods and are collected to the vertical section under the stirring action of the garlic stirring baffle plate in the process of moving along with the return ring of the conveying rod chain, and impurities such as broken soil and the like are filtered out; the cut garlic sprouts are directly thrown above the horizontal section of the conveying rod chain from the clamping and conveying tail end and are collected and discharged from the other end far away from the vertical section under the action of the grass poking baffle; the garlic bulbs reaching the vertical section are lifted by the garlic pushing baffle plate and conveyed to the upper part, fall onto the discharge chute when rising to the top and turning over in a loop and are led out, and enter a subsequent treatment station.

Therefore, the utility model adopts a rod-type conveying chain with a double-sided baffle structure, can simultaneously complete the garlic bulb collection and the garlic seedling discharge of multi-row harvesting, and properly solves the problem of the garlic bulb collection and the grass discharge of multi-row harvesting; and the garlic poking baffle capable of poking and lifting is utilized, and the horizontal conveying and the vertical lifting are combined together by one conveying chain, so that the structure is compact, and a good foundation is laid for stable and reliable mechanical harvesting.

The utility model discloses a further perfection is, the clear native conveyor of lift delivery includes the baffle rod-type chain of interval distribution baffle, baffle rod-type chain link winds in the tensioning sprocket and the driving sprocket that support respectively in main part support low side and high-end, the low side has the feeder hopper, the high-end has the whereabouts discharge apparatus that the export guard shield constitutes, discharge apparatus is equipped with the ejection of compact that switches collection fruit storehouse and bagging-off export and turns over the board.

A further improvement of the utility model is that the main rail mounting rack comprises a horizontal rail; the high-out end of the horizontal track is a vertical track, and the other end of the horizontal track is provided with a tensioning track frame.

The utility model discloses further perfect is, the tensioning track frame links firmly through the intermediate junction pipe for the circular track board of two halves front and back and forms, the vertical track and the horizontal track of semicircular track board and main track mounting bracket constitute annular closed orbit jointly.

The utility model discloses further perfect is, sprocket feed is settled to the vertical track of main track mounting bracket and horizontal orbital turn. This simultaneously solves the problem of driving and steering the barrier bar chain and is beneficial to maintaining tension.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the three-dimensional structure of a garlic combine harvester adopting the lifting and conveying device of the utility model.

Fig. 2 is a schematic structural view of a conveyor chain according to an embodiment of the present invention.

Fig. 3 is a perspective view of fig. 2.

Fig. 4 is a perspective view of fig. 2 from another perspective.

Fig. 5 is a schematic sectional view of fig. 2 in D-D.

Fig. 6 is a partially enlarged structural view at B in fig. 2.

Fig. 7 is a schematic perspective view of the lifting clear soil conveying device according to an embodiment of the present invention.

Detailed Description

Example one

The lifting and conveying device of the garlic combine harvester of the embodiment is a conveying rod chain device 2 for collecting and discharging garlic bulbs, and is arranged on a harvesting platform 3 at the front part of the multi-row garlic combine harvester shown in figure 1. A crawler-type walking chassis 9 of the combine harvester is provided with a garlic head lifting clear soil conveying device 10 and a self-unloading fruit collecting bin 11, the front part of the combine harvester is provided with a harvesting table 3 capable of floating up and down through a harvesting table mounting frame 1 capable of rotating left and right, the front end of the harvesting table 3 is provided with a plurality of single-path cutting tables 5 supported on depth limiting wheels 4 at two sides, each single-path cutting table 5 is provided with a clamping conveying chain along the conveying direction from low to high, a front extending digging shovel 6 is respectively arranged below the single-path cutting tables, and the front ends of the cutting tables 5 are provided with a seedling dividing device 7 and a seedling lifting device 8.

The working principle of the garlic harvester is that garlic heads after seedling cutting in the front section process are collected, part of crushed soil carried by the garlic heads is conveyed and removed through the horizontally arranged rod chains, the garlic heads are collected to the left end and then are lifted and conveyed to the top through the vertically arranged rod chains to fall into a discharge chute 2-16 to be discharged into subsequent treatment, and meanwhile, seedling grass generated by seedling cutting in the previous work is collected and conveyed to the right side of the garlic harvester through a grass-poking baffle 2-34 arranged outside the rod chains to be discharged. The main rail mounting frame 2-1 is a main body support and adopts a metal plate welding structure, the middle section and the right section are horizontal rails, and the part higher than the left end is a vertical rail; the tensioning track frame 2-2 is arranged at the right end of the main track mounting frame 2-1, and the length of the running track of the whole conveying chain can be changed through adjusting the horizontal mounting position so as to realize the chain tensioning function; the conveying rod chain 2-3 is arranged in an L-shaped loop closed track formed by the main track mounting frame 2-1 and the tensioning track frame 2-2, and the vertical section of the L-shaped loop is positioned on the outer side of the multi-path cutting table 5; the chain wheel transmission device 2-4 is arranged at the turning position of the vertical track and the horizontal track at the upper part of the main track mounting frame 2-1 through a pair of bearings 2-44 with seats, the front driving chain wheel 2-42 and the rear driving chain wheel 2-43 respectively correspond to the front track and the rear track, and the rear tail end is the driving chain wheel.

The main track mounting rack 2-1 is formed by welding a front side plate 2-11 and a rear side plate 2-12 of the mounting rack through a group of middle connecting pipes 2-13, a right support plate 2-14 is welded at the right end and used for mounting the tensioning track rack 2-2, the front side plate 2-11 of the mounting rack is of a flat plate structure, the periphery of the mounting rack is a running track of a conveying rod chain 2-3, a wide long hole is formed in the middle of the mounting rack, the front side of the mounting rack is welded with a collecting hopper 2-15 which is connected below the output end of the multi-path header 5, and garlic heads which have cut seedlings are collected by the collecting hopper 2-15 and then enter a conveying chain channel through; the rear side plate 2-12 of the mounting frame is of a flat plate structure, the periphery of the mounting frame is an operation track of the conveying rod chain 2-3, and the rear side of the mounting frame is welded with a group of rear mounting plates 2-17 for mounting the whole grass discharging conveying rod chain device 2; the higher part of the left end of the rear side plate 2-12 of the mounting rack is provided with a vertical long hole, and the discharge chute 2-16 passes through the vertical long hole and extends backwards; the upper part of the discharge chute 2-16 is connected with the lower part of the top of the return ring, and the fallen garlic is guided to the lifting soil-clearing conveying device 10; an upper mounting lug 2-18 is arranged above the left upper discharge chute 2-16 of the rear side plate 2-12 of the mounting frame and is used for reinforcing the installation of the whole grass discharging conveying rod chain device 2 so that the work of the grass discharging conveying rod chain device can be kept stable.

The tensioning track frame 2-2 is a structural form formed by welding a front semicircular track plate and a rear semicircular track plate through a middle connecting pipe, is arranged on a right support plate 2-14 of the main track mounting frame 2-1, a semicircular outline track of the tensioning track frame and a track of the main track mounting frame 2-1 form an annular closed track together, and the tensioning of the conveying rod chain 2-3 can be realized by adjusting a mounting horizontal gap between the semicircular outline track and the track.

The conveying rod chain 2-3 is composed of two roller conveying chains 2-31 of a parallel loop hollow shaft structure, rods 2-32, garlic poking baffles 2-33, grass poking baffles 2-34 and bolts 2-35, two ends of each rod 2-32 are respectively arranged in the hollow shaft of the roller conveying chain 2-31, one rod 2-32 is arranged at intervals of 38mm, two pairs of rods 2-32 are arranged at intervals of 5, the interval distance between the adjacent pairs of rods is smaller than that of garlic heads, the garlic poking baffles 2-33 and the grass poking baffles 2-34 which are respectively positioned in the loop and outside the loop are arranged on the double rods 2-32 through the bolts 2-35, namely the garlic poking baffles 2-33 are arranged inside, the grass poking baffles 2-34 are arranged outside, the sections of the garlic poking baffles 2-32 are composed of poking plates which extend inwards and are provided with baffle plates with two inclined side plates, the grass poking baffle plates 2-34 are in the shape of channel steel with two side walls extending outwards. The integral conveying rod chain 2-3 is arranged on a track formed by the main track mounting frame 2-1 and the tensioning track frame 2-2,

the chain wheel transmission device 2-4 comprises a transmission shaft 2-41, a pair of conveying chain wheels 2-42, a transmission chain wheel 2-43 and a pair of belt seat bearings 2-44; the whole body is arranged at the intersection of the horizontal track and the vertical track above the main track mounting frame 2-1 through a bearing with a seat 2-44 to provide power for the conveying rod chain 2-3.

As shown in figure 7, the garlic bulb lifting, soil-clearing and conveying device 10 comprises a main body support 10-1, a baffle rod type chain 10-2, a tensioning sprocket 10-3, a driving sprocket 10-4, an outlet shield 10-5, a discharging device 10-6 and a feeding hopper 10-8. The left side and the right side of a main body support 10-1 are provided with chain track grooves, the middle of the main body support is connected with a front mounting shaft 10-9 and a rear mounting shaft 10-10 in a welding mode, and the right ends of the front mounting shaft 10-9 and the rear mounting shaft 10-10 are provided with extending shaft heads which respectively penetrate into sleeve holes of front and rear upright posts of a platform support of a chassis 9 and are fixedly mounted so as to support the whole lifting clear soil conveying device 10. The baffle rod type chain 10-2 consists of two hollow pin shaft chains, rod pins and baffles, wherein two ends of the rod pins penetrate through the chain pin holes and are riveted, the interval between every two rod pins is about 3.5cm so as to ensure that normal garlic can not pass through, one baffle is arranged at intervals of 5, and the baffles are arranged on two adjacent rod pins; the whole barrier rod type chain 10-2 is installed on a closed track formed by the tension chain wheel 10-3, the driving chain wheel 10-4 and the support rail.

The tensioning chain wheel 10-3 is arranged at the front lower end of the main body bracket 10-1 and can move back and forth through an adjusting screw rod so as to realize the installation and tensioning of the baffle rod type chain 10-2; the driving sprocket 10-4 is installed at the rear high end of the main body frame 10-1 for driving the barrier rod type chain 10-2 to operate. The feed hopper 10-8 is arranged at the front lower end of the main body bracket 10-1, and the feed inlet is upward and used for receiving materials discharged from the discharge groove 2-16 of the conveying rod chain device 2. The outlet shield 10-5 is arranged at the rear high end of the main body support 10-1 to form a discharging device 10-6. The discharging device 10-6 is internally provided with a discharging turning plate 10-7, and the garlic can flow to the fruit collecting bin or directly discharge and bag by switching an outlet through adjusting the oblique or vertical two different working positions of the discharging turning plate 10-7.

The garlic combine lifting and conveying device of the embodiment adopts a transverse double-sided baffle rod type conveying chain to convey garlic bulbs, the garlic bulbs are collected to the left side, the narrow baffles are arranged outside the chain ring, the upper horizontal part is used for conveying garlic seedlings and is collected to the right side, and two paths of conveying are finished by one conveying chain. Experiments prove that the problem of gathering and grass discharging of garlic bulbs during multi-row harvesting can be properly solved, the structure is compact, and good conditions are created for realizing efficient and high-quality multi-row full-width mechanical harvesting of garlic.

Claims

1. A garlic combine promotes conveyor which characterized in that: the multi-channel cutting machine comprises a main track mounting rack (2-1) which enables a power-driven conveying rod chain (2-3) to form an L-shaped loop, wherein a collecting hopper (2-15) which is connected below the output end of a multi-channel cutting platform is arranged on one side, close to the multi-channel cutting platform (5), of the lower portion of a horizontal section of the L-shaped loop, and a mounting rack rear side plate (2-12) is arranged on one side, far away from the multi-channel cutting platform;

the main body of the conveying rod chain is two roller conveying chains (2-31) which are parallel to each other and return to the ring, paired rods (2-32) which are distributed at intervals are arranged between the two roller conveying chains (2-31), the interval distance between every two adjacent paired rods (2-32) is smaller than that of garlic heads, and garlic poking baffles (2-33) and grass poking baffles (2-34) which are respectively positioned in the return ring and outside the return ring are fixed on the rods (2-32); the section of the garlic poking baffle (2-33) is formed by a poking plate which extends inwards and is provided with two side inclined flange plates, and the grass poking baffle (2-34) is in a channel steel shape with two side walls extending outwards;

the vertical section of the L-shaped loop is positioned at the outer side of the multi-channel header, and a discharge chute (2-16) for leading the fallen garlic heads to the lifting clear soil conveying device (10) is connected below the loop at the top of the L-shaped loop.

2. The garlic combine lifting conveyor as claimed in claim 1, wherein: the lifting clear soil conveying device (10) comprises a baffle rod type chain (10-2) with baffles distributed at intervals, the baffle rod type chain is wound on a tension sprocket (10-3) and a driving sprocket (10-4) which are respectively supported at the lower end and the high end of a main body support (10-1), the lower end is provided with a feed hopper (10-8), the high end is provided with a falling discharging device (10-6) consisting of an outlet shield (10-5), and the discharging device is provided with a discharging turnover plate (10-7) for switching a fruit collecting bin and a bagging outlet.

3. The garlic combine lifting conveyor as claimed in claim 2, wherein: the main rail mounting rack comprises a horizontal rail; the high-out end of the horizontal track is a vertical track, and the other end of the horizontal track is provided with a tensioning track frame.

4. The garlic combine lifting conveyor of claim 3, wherein: the tensioning track frame is formed by fixedly connecting front and rear two semicircular track plates through an intermediate connecting pipe, and the semicircular track plates and the vertical track and the horizontal track of the main track mounting frame form an annular closed track together.

5. The garlic combine lifting conveyor as claimed in claim 4, wherein: and a chain wheel transmission device is arranged at the turning part of the vertical rail and the horizontal rail of the main rail mounting frame.