CN108040574A - A kind of crawler belt walks dry type water chestnut harvester certainly - Google Patents

Abstract

Dry type water chestnut harvester is walked the invention discloses a kind of crawler belt certainly, the machine excavates harvesting approach using double-deck shovel, the soil layer of planting area is divided into acarpous topsoil and has the fruit soil layer of fruit, upper strata shovel first roots out the topsoil of no growth horseshoe and quick drain is to the side of machine, lower floor's shovel again scoops up fruit soil layer, is delivered to the separating treatment that rear end carries out fruit soil；Conveying mechanism by the soil containing fruit it is not segmented, convey separating mechanism in continuous banding, roller group mechanism is crushed by the soil of the concave-convex double roller group of adjustable in pitch, band in advance, banding fruit soil layer is squeezed and splits into big walk；Again through tear native broach roller mechanism by it is broken at the beginning of big walk, tear solution as small walk, it is fine crushing to finally enter roller group progress fine crushing, the pre-separation of fruit and soil is realized step by step, adequate preparation is performed for screening sorting below, while takes measures in structure as far as possible horseshoe to be avoided to be damaged.

Description

A kind of crawler belt walks dry type water chestnut harvester certainly

Technical field

The present invention relates to crop harvesting technical fields, and dry type water chestnut harvester is walked certainly more particularly to a kind of crawler belt.

Background technology

Horseshoe is a kind of crop being planted in shallow-layer slowly drained soil, and stolon apex of its growth in underground is expanded for ball Stem, this bulb are widely used as fruit or vegetables with edible because having higher nutritional ingredient；China produces horseshoe per year about Ten thousand tons of 60-80, the bulb of horseshoe are grown on 20~25cm below earth's surface more, and the harvesting approach of horseshoe plantation at present still extremely falls Afterwards, mainly using manual work mode, efficiency is low, time-consuming, of high cost.Link is just harvested, it is average to need 20-30 per acre Manually harvesting.Light harvests about 2000 yuan/mu of cost, accounts for 1/5 or so of horseshoe income.The backward mode of production seriously constrains The large-scale development of horseshoe industry, and hand digging is used to be also easy to cause the damage of water chestnut, therefore, people have invented horseshoe Cropper greatly improves the efficiency of crop to horseshoe in muddy ground, meets the needs of actual cut.

Chinese patent：A kind of water chestnut harvester, application number 201620638124.7, applying date 2016.06.18 are authorized public Announcement CN 205681862 U, authorized announcement date 2016.11.16 disclose a kind of water chestnut harvester, including crawler belt fuselage (1), Weeding mechanism (2), collecting mechanism (3) and sorting mechanism (4)；The crawler belt fuselage (1) is equipped with rack (11), rack (11) bottom is equipped with Athey wheel (111)；Weeding mechanism (2) is movably arranged on rack (11) front end with collecting mechanism (3), screens Mechanism (4) is mounted in the middle part of rack (11)；Rinse bath (6), rinse bath 6 are equipped between collecting mechanism (3) and sorting mechanism (4) Discharge port (61) is equipped with by the one side of sorting mechanism (4)；Engine (12) control transmission device (14) works, transmission device (14) weeding mechanism (2), collecting mechanism (3) and sorting mechanism (4) is driven to work respectively.The present invention, the horseshoe gathered out By rinsing well twice, remove the process that the later stage cleans again from, and soil is carried out by giant in gatherer process Separation, so as to ensure the integrality of horseshoe, remarkable in economical benefits.But the technology has the following disadvantages：(1) giant washes away point It is damaged from horseshoe caused by soil, the harvest for eating horseshoe raw in a small amount is still received, but given birth to secondary operation such as can need to be carried out This drawback of the batch harvest demand of production is then fatal damage；(2) horseshoe damages, is soaked rear perishable, not shelf-stable.

Chinese patent：A kind of water chestnut harvester, application number 201520471332.8 (10), applying date 2015.07.03 are awarded 204762132 U of notification number CN are weighed, authorized announcement date 2015.11.18 discloses a kind of water chestnut harvester, including tracked machine Body, earth scraper structure, rotary blade and screen frame, crawler belt body right side front is by supporting linking arm to connect earth scraper structure, shovel soil Mechanism front upper is provided with rotary blade, and earth scraper structure is provided with water conservancy diversion roller, and water conservancy diversion roller rear lower is provided with screen frame, Screen frame top is connected with sieve by sieve rocking arm, and screen frame is connected with eccentric wheel, the eccentric wheel by rocking arm Pass through pulley drive.The water chestnut harvester power foot of the present invention, cross-country ability are good, smooth ride and failure rate are low, greatly Horseshoe efficiency of crop is improved, reduces cost of labor.But the technology has the following disadvantages：(1) rotary tillage cutter of front fuselage In harvest, tool easily causes to damage to horseshoe fruit.(2) earth scraper structure is unable to smooth delivery of power after scooping up soil and horseshoe and arrives Sieve.(3) due to harvest many horseshoes are still mixed in blocking soil when, and horseshoe is difficult to realize from soil only with sieve Separation.

Chinese patent (invention)：A kind of double-deck shovel two-stage screening type water chestnut harvester, application number (patent No.)： 201520471519.8 204929634 U of Authorization Notice No. CN, authorized announcement date：2016.01.06 disclose a kind of bilayer Two-stage screening type water chestnut harvester is shoveled, including crawler belt body, screening mechanism, conveying mechanism, rack and earth scraper structure, crawler belt body The rack promoted by hydraulic cylinder is installed, frame front is fixed with earth scraper structure, and earth scraper structure rear portion is equipped in front of right side By the conveying mechanism of hydraulic motor transmission, conveying mechanism rear portion is equipped with screening mechanism.The double-deck shovel two-stage screening type of the present invention Water chestnut harvester power foot, cross-country ability are good, smooth ride and failure rate are low, greatly improve horseshoe efficiency of crop, reduce Cost of labor.But the technology has the following disadvantages：(1) distance of the native plate of upper and lower shovel cannot adjust, and may cause fruit soil layer mistake It is easily shoveled when thin and hinders horseshoe, the efficiency that blocked up and influence is sieved below；(2) topsoil is arranged by the fixation guide groove behind the native plate of upper shovel To fixed one side, it is impossible to commutate, the probability for having 50% is emitted on the row not harvested, hence it is evident that increase the resistance of machine, and Fixed guide groove helical pitch length friction is big, and not in time, stifled native phenomenon easily occurs for casting；(3) due to the casting side using fixed guide groove Formula, the speed of travel of cropper is inevitable very slow, not so easily blocks, has seriously affected efficiency of crop；(4) shoveled under behind native plate Banding fruit soil layer is cut into sectional mud item and is conveyed by conveyer, although can shorten fed distance, while is also increased Probability of the horseshoe by cut wound.

The content of the invention

In view of the above shortcomings of the prior art, the purpose of the present invention is designing a kind of crawler belt to walk dry type water chestnut harvester certainly, The machine excavates harvesting approach using double-deck shovel, and the soil layer of planting area is divided into acarpous topsoil and has the fruit soil of fruit Layer, upper strata shovel first roots out the topsoil of no growth horseshoe and quick drain is to the side of machine, and lower floor is shoveled again by fruit soil layer It scoops up, is delivered to the separating treatment that rear end carries out fruit soil；Conveying mechanism by the soil containing fruit it is not segmented, in continuous banding Separating mechanism is conveyed, roller group mechanism is crushed by soil adjustable in pitch, with concave-convex double roller group in advance, banding fruit soil layer is squeezed Split into big walk；Again through tear native broach roller mechanism by it is broken at the beginning of big walk, tear solution as small walk, finally enter roller group fine crushing and carry out It is fine crushing, the pre-separation of fruit and soil is realized step by step, is performed adequate preparation for screening sorting below, while is adopted in structure Measure is taken as far as possible horseshoe to be avoided to be damaged.Water chestnut harvester designed by the present invention, when harvesting horseshoe by adjusting fruit soil layer Thickness is to adapt to the requirement of the harvest of different cultivars horseshoe, to realize optimal harvest effect；Pass through the conveying and seperator Structure avoids the damage caused by horseshoe fruit in processing procedure to greatest extent while harvest quality and efficiency is ensured. It does not get wet from the horseshoe for walking dry type water chestnut harvester harvest by crawler belt, shelf-stable.

The specific technical solution that the present invention takes is：

A kind of crawler belt is fetched earth mechanism, hack part, separation including chassis, reduction box, layering from walking dry type water chestnut harvester Sorting section, chassis is by caterpillar band traveling chassis (14), engine in situ (15), rack (21), transmission distributing shaft (30), driver's cabin (11) etc. components composition, reduction box (114) are connected with engine in situ (15), and effect is the speed drop engine in situ Low, the layering mechanism that fetches earth form by being layered the components such as the mechanism that fetches earth (100), hydraulic cylinder (107), complete topsoil scoop up with Side is arranged, and fruit soil layer scoops up and is delivered to machine back-end processing；Hack part by crushing roller group (40), tearing native broach roller in advance (50), the components groups such as native pecten (18), chute (19), roller group fine crushing (60) are torn in hello mud roller (16), pressing roller holder (17), fixation Into, complete fruit soil layer pre- crushing, it is first it is broken tear the soil series of processes such as agglomerating, fine crushing, carry out standard for the screening and choosing fruit of next step It is standby；Separation sorting section is made of parts such as straight line oscillating riddle (80), fruit extraction mechanism (70), sorting tables (23), is completed The later stages process such as screening, sorting, collection, pack of horseshoe；Caterpillar band traveling chassis (14) top surface is fixed with platform (13), drives Sail room (11), engine in situ (15), rack (21) are installed on platform (13), engine in situ (15) is responsible for providing whole Power needed for machine walking, native fruit delivering sorting and hydraulic system；It is described to be layered fetch earth mechanism (100) both ends and rack (21) Be linked, lower end is connected with hydraulic cylinder (107), by hydraulic cylinder (107) extension and contraction control layering fetch earth mechanism (100) around Axis B is swung, so as to control the embedded depth of colter and promote liftoff height；The transmission distributing shaft (30), pre- crushing Roller group (40), tear native broach roller (50), roller group fine crushing (60), fruit extraction mechanism (70), straight line oscillating riddle (80) pass through phase The bearing block answered is mounted in rack (21), wherein, it tears native broach roller (50) and is mounted on pre- crushing roller group (40) rear, it is fixed It tears native pecten (18) installation to be situated between, chute (19) is mounted on to fix and tear below native pecten (18), two groups of roller groups fine crushing (60) it is mounted on and tears below native broach roller (50)；The straight line oscillating riddle (80) is mounted below two groups of roller groups (60) fine crushing, fruit Real extraction mechanism (70) is in be mounted on toward the angle swung back in rack (21), behind straight line oscillating riddle (80), the sorting table (23) fruit extraction mechanism (70) back upper place is fastened transversely to, sorting table (23) is high in the middle and low on both ends, is distributed in sloped sides If dry screen soil hole, two ends are collection funnels.

Two swing arm hinges (24) are fixed respectively, pass through joint pin in the top both sides for being layered the mechanism (100) that fetches earth (25) linked with the hinge seat (26) being fixed in rack (21).

Transmission distributing shaft (30) component is fixed on by sprocket wheel a (31), sprocket wheel b (32), sprocket wheel c (34), sprocket wheel (36) It distributes in shaft (35), in addition two bearing blocks (33) form as supporting, engine in situ (15) passes through belt pulley (116) The sprocket wheel (115) of reduction box (114) is provided power to, the sprocket wheel c (34) of transmission distributing shaft (30) passes through chain and sprocket wheel p (115) connect, power is distributed to each sprocket wheel, then corresponding component is sent to by chain connection by each sprocket wheel.

The layering fetches earth mechanism by scraper plate (101), flight chain (102), scraping plate mechanism (103), topsoil colter (104), fruit soil layer colter (105), arm carrier (106), hydraulic cylinder (107), conveyer belt (108), conveyer belt driven shaft (109), conveyer belt driving shaft (111), drive sprocket (112), sprocket wheel composition (113) composition, wherein, arm carrier (106) is The rack of entire mechanism, front end installation include scraper plate (101), flight chain (102), scraping plate mechanism (103), scraping plate mechanism (104) topsoil colter (104) is fixed with below, fruit soil layer colter (105) is mounted on topsoil colter (104) back lower place, The front end of arm carrier (106), conveyer belt driven shaft (109) is mounted in fruit soil layer colter (105) rear, with conveyer belt driving shaft (111), the conveyer of conveyer belt (108) composition conveying fruit soil layer, drive sprocket (112), sprocket wheel o (113) are separately fixed at defeated The both sides with driving shaft (111) are sent, drive sprocket (112) is connected by chain with the sprocket wheel b (32) in distribution shaft (35).

The roller group fine crushing (60) is two groups, and every group respectively by shaft (61), disk (62), set glue pole (63), axis Bearing (64), gear (65), sprocket wheel j (66), sprocket wheel k (67) compositions, wherein, two disks are fixed respectively among shaft (61) (62), disk (62) is circumferential installs several set glue poles (63) in caged, covers the interval between glue pole (63) not damage Subject to horseshoe, shaft (61) both ends fixed bearing block (64), gear (65), one group of fixed chain wheels j (66), another group of fixation chain K (67) is taken turns, sprocket wheel k (67) is connected with the sprocket wheel d (36) of transmission distributing shaft (30) by chain, the shaft of installation sprocket wheel k (67) (61) to rotate forward, another shaft (61) is to rotate backward after a pair of of gear (65) is commutated.

The layering fetches earth mechanism by scraper plate (101), flight chain (102), scraping plate mechanism (103), topsoil colter (104), fruit soil layer colter (105), arm carrier (106), hydraulic cylinder (107), conveyer belt (108), conveyer belt driven shaft (109), conveyer belt driving shaft (111), drive sprocket (112), sprocket wheel composition (113) composition, wherein, arm carrier (106) is The rack of entire mechanism, front end installation include scraper plate (101), flight chain (102), scraping plate mechanism (103), scraping plate mechanism (104) topsoil colter (104) is fixed with below, fruit soil layer colter (105) is mounted on topsoil colter (104) back lower place, The front end of arm carrier (106), conveyer belt driven shaft (109) is mounted in fruit soil layer colter (105) rear, with conveyer belt driving shaft (111), the conveyer of conveyer belt (108) composition conveying fruit soil layer, drive sprocket (112), sprocket wheel o (113) are separately fixed at defeated The both sides with driving shaft (111) are sent, drive sprocket (112) is connected by chain with the sprocket wheel b (32) in distribution shaft (35).

Described tears native broach roller (50) by shaft (51), support plate (52), broach (53), bearing block (54), sprocket wheel h (55), sprocket wheel i (56), reinforcing plate (57), sliver (58) composition, shaft (51) both ends fixed bearing block (54), sprocket wheel h (55), Sprocket wheel i (56), intermediate radial, which fixes several support plate (52) both ends, has reinforcing plate (57), each support plate to arrange a row of combs on (52) Tooth (53) is staggeredly arranged with the fixed a row of combs item (58) for tearing native pecten (18), sprocket wheel h (55) and the chain of roller group fine crushing (60) Wheel j (66) is connected by chain, turns to rotate backward.

The pre- crushing roller group (40) is mounted on conveyer belt driving shaft (111) rear, by bearing block (41), plain bearing housing (42), recessed roller (43), convex roller (44), upper roll shaft (45), lower roller shaft (46), sprocket wheel e (47), sprocket wheel f (48), sprocket wheel g (49) group Into, wherein, bearing block (41), recessed roller (43), sprocket wheel g (49) are fixed on lower roller shaft (46), recessed roller (43), convex roller (44) it is recessed Double wedge shape is axially aligned, and the sprocket wheel o (113) of conveyer belt driving shaft (111) is connected by chain with sprocket wheel g (49), lower roll Axis (46) and conveyer belt driving shaft (111) are to rotate forward；Convex roller (44), sprocket wheel e (47), sprocket wheel f (48), sliding bearing Seat (42) is fixed on roll shaft (45), upper roll shaft (45) can by the position up and down adjustment of mobile plain bearing housing (42), Sprocket wheel f (48) is with tearing the sprocket wheel (56) of native broach roller (50), sprocket wheel e (47) is connected with feeding the sprocket wheel of mud roller (16) by chain, It turns to rotate backward；The mud roller (16) of feeding is mounted on directly over conveyer belt driving shaft (111), and upper-lower position can adjust； The pressing roller holder (17) is fixed hello mud roller (16), the rack of upper roll shaft (45), plays support positioning action.

The straight line oscillating riddle (80) is led by sprocket wheel m (81), bearing block (82), sprocket wheel n (83), crank axle (84), straight line Rail (85), idler wheel (86), sieve (87), sieve bucket (88), stir pin (89), bearing block (91), swinging axle (92), connecting rod (93), Crank base (94), adjustable eccentric crank-pin (95), swing arm (96), sliding slot (97), grizzly bar (98) composition, wherein, sieve (87) Mounted on sieve bucket (88) bottom, two line slideways (85) are fixed in rack (86), and 8 groups of idler wheels are installed in sieve bucket (88) both sides (86), slid back and forth on line slideway (85) by idler wheel (86) support sieve bucket (88), fixed on crank axle (84) by sprocket wheel m (81), bearing block (82), sprocket wheel n (83), crank base (94), adjustable eccentric crank-pin (95), the sprocket wheel n on crank axle (84) (83) sprocket wheel (31) with transmission distributing shaft (30) is connected by chain, and to rotate forward, adjustable eccentric crank-pin (95) is solid It is scheduled on crank base (94), position can adjust to obtain different offsets, and both ends are mounted on machine by bearing block (91) Swing arm (96), connecting rod (93) one end and adjustable eccentric crank-pin (95) are fixed on frame (21), among swinging axle (92) to link, The other end is linked with swing arm (96) upper end, and the lower end of swing arm (96) carries sliding slot (97), stirs pin (89) mounted on sieve bucket (88) top, sliding slot (97) the card people of swing arm (96) stir pin (89), by toggle swing arm (96) are driven to put It is dynamic, and then promote and stir pin (89), force sieve bucket (88) swing.

The fruit extraction mechanism (70) by plain bearing housing (71), driven shaft (72), leakproof roller (73), rack (74), Pawl (75), otic placode sprocket wheel (76), driving shaft (77), bearing block (78), sprocket wheel I (79) compositions are promoted, wherein, driving shaft (77) On be fixed with otic placode sprocket wheel (76), bearing block (78), leakproof roller (73), sprocket wheel I (79), sprocket wheel I (79) and straight line oscillating riddle (80) sprocket wheel m (81) is connected by chain；Driven shaft (72) is fixed with plain bearing housing (71), leakproof roller (73), two pairs of ears Plate sprocket wheel (76) is connected by two band ear chains, and several groups of promotion pawl (75) both ends are fixed on chain otic placode, promotes pawl (75) do not contacted with the laterally staggered arrangement of the grizzly bar of straight line oscillating riddle (80) (98), there are certain overlapping, bearing block in longitudinal direction always (78), plain bearing housing (71) is installed in rack (74), and adjusting plain bearing housing (71) position can be with tension band ear chain.

Sorting table (23) both ends are respectively arranged with seat (22), and impurity elimination, sorting, collection, pack etc. are carried out for worker Sequence of operations.

The operation principle of above-mentioned water chestnut harvester is：Water chestnut harvester is driven to field, alignment horseshoe plantation row manipulates liquid Pressure system, which falls arm carrier (106), to be made double-deck colter slowly shovel buries, while controls the hydraulic motor to make flight chain (102) Operating, adjusts its rotation direction and speed, and topsoil is made to reach preferable side row effect, treats that fruit soil layer colter (105) is ploughed completely To arable layer bottom when, locking hydraulic cylinder (107) controls throttle and gear to make the walking of cropper to fix soil depth Speed is adapted to harvest effect, and the fruit soil layer between two colters is by being layered the conveyer conveying hoisting of the mechanism that fetches earth (100) extremely Top, with the help of mud roller (16) is fed, recessed roller (43), the wave of convex roller (44) formation of pre- crushing roller group (40) of being made a gift to someone Shape gap, continuous banding mud layer are extruded as Pork-pieces big walk, fall into the fixed sliver (18) for tearing native pecten (18) On, broach (53) row for tearing native broach roller (50) rotates backward, and big walk is torn small walk of the solution for 5-10CM as comb, Complete the coarse crushing process of fruit soil layer；Fruit the thickness of the layer can adjust topsoil colter (104) to reach, to ensure thickness as low as It does not shovel and hinders horseshoe, the big purpose for taking into account later stage separating effect again；Feed mud roller (16), upper roll shaft (45) also can tune to suitable height Degree is adapted to fruit soil thickness, make fruit soil layer by when squeeze from undue, ensure that horseshoe is not damaged.Native pecten (18) is torn in fixation Sliver (58) and tear the horizontal minimum spacing of broach (53) of native broach roller (50) and be designed to be more than horseshoe maximum gauge, ensure Horseshoe is not damaged when tearing soil.Walk after coarse crushing is under the guiding of chute (19), into the roller group fine crushing of two groups of relative rotations (60) among, under the continuously extruded effect organized in set glue pole (63), further fine crushing is smaller thin mud block, while most of Horseshoe exposes out, falls into together in straight line oscillating riddle (80), and sieve bucket (88) bottom plate constantly swung is installed by macropore sieve (87), most of mud is screened out, it is impossible to which the compass screen surface that the big walk of the horseshoe of sieving and part is inclined by is oriented to going out for sieve bucket (88) At mouth grizzly bar (98), it is promoted to by the promotion pawl (75) of fruit extraction mechanism (70) in sorting table (23), finally by sorting table (23) worker at both ends completes the later stages works such as impurity elimination, sorting, collection, pack.Before u-turn and during without harvest operation, carry It rises arm carrier (106) and leaves ground to extreme higher position, while cut off the power of hydraulic motor and reduction box (114), Fang Kejin Row u-turn and the operation of telephone-moving.

The present invention has the advantage that compared with prior art：

1. using anhydrous dry method harvesting approach, using water wisely reduces harvest energy consumption and cost, effectively avoids with water harvest side Not drawbacks such as shelf-stable after horseshoe damage, horseshoe are soaked caused by the high pressure water that formula occurs washes away；

2. realize topsoil rapidly toward side discharge using scraping plate mechanism, it is not easy to block, reduce walking resistance, improve and receive Obtain efficiency；Soil thickness is adjustable simultaneously, and casting direction can control switching, and soil is made always to come and has harvested that capable one side, The harvest of opposite side is not influenced；

3. the soil layer between two layers of colter comprising fruit, fruit soil layer, fruit soil layer is not segmented, defeated in continuous banding The separate section to machine is sent, flowing is smooth, while can avoid the damage of horseshoe to greatest extent；

4. the fruit soil layer comprising horseshoe is before sieve separation is entered, it is agglomerating, fine crushing etc. that soil is creatively torn using pre- crushing, coarse crushing Series of processes carries out processing early period, can greatly improve the net harvesting rate of horseshoe, efficiency of crop, while reduce horseshoe to the greatest extent again Damage；

5. the hack of stacked vertical, separation placement scheme, it is compact-sized, effectively shorten machine length, save space；

6. straight line swings the adjustable amplitude of screening mechanism, sifting net rate and efficiency of crop can be taken into account；

7. Double-station type sorting table was completed using two human hands simultaneously at a variety of later stages such as sieve soil, sorting, collection, pack Science and engineering is made, man-machine complementary, effectively promotes the quality and efficiency of harvest.

Description of the drawings

Fig. 1 is the overall structure diagram of cropper provided by the invention；

Fig. 2 is the overlooking the structure diagram of cropper provided by the invention；

Fig. 3 is the transmission distributing shaft structure diagram of cropper provided by the invention；

Fig. 4 is the pre- crushing roller group structure diagram of cropper provided by the invention；

Fig. 5 tears native broach roller positive structure schematic for cropper provided by the invention；

Fig. 6 tears native broach roller reverse structure schematic for cropper provided by the invention；

Fig. 7 is the roller group positive structure schematic fine crushing of cropper provided by the invention；

Fig. 8 is the roller group reverse structure schematic fine crushing of cropper provided by the invention；

Fig. 9 is the fruit extraction mechanism structure diagram of cropper provided by the invention；

Figure 10 is the straight line oscillating riddle structure diagram of cropper provided by the invention；

Figure 11 is the straight line oscillating riddle overlooking the structure diagram of cropper provided by the invention；

Figure 12 is the straight line oscillating riddle side structure schematic view of cropper provided by the invention；

Figure 13 is that the layering of cropper provided by the invention is fetched earth mechanism structure schematic diagram；

Figure 14 is that the layering of cropper provided by the invention is fetched earth mechanism overlooking the structure diagram；

Figure 15 is that the complete machine of cropper provided by the invention is driven schematic diagram；

Figure 16 is the three dimensional structure diagram of cropper provided by the invention；

In figure, 11- driver's cabins；13- platforms；14- caterpillar band traveling chassis；15- engines in situ；16- feeds mud roller；17- is pressed Roller support；Native pecten is torn in 18- fixations；19- chutes；21- racks；22- seats；23- sorting tables；24- swing arm hinges；25- hinges Pin；26- hinge seats；30- is driven distributing shaft；31- sprocket wheels a；32- sprocket wheels b；33- bearing blocks；34- sprocket wheels c；35- distributes shaft； 36- sprocket wheels d；40- crushes roller group in advance；41- bearing blocks；42- plain bearing housings；The recessed rollers of 43-；The convex rollers of 44-；The upper roll shafts of 45-；46- Lower roller shaft；47- sprocket wheels e；48- sprocket wheels f；49- sprocket wheels g；50- tears native broach roller；51- shafts；52- support plates；53- broach；54- Bearing block；55- sprocket wheels h；56- sprocket wheels i；57- reinforcing plates；58- slivers；60- roller groups fine crushing；61- shafts；62- disks； 63- Cover glue pole；64- bearing blocks；65- gears；66- sprocket wheels j；67- sprocket wheels k；70- fruit extraction mechanisms；71- plain bearing housings； 72- driven shafts；73- leakproof rollers；74- racks；75- promotes pawl；76- otic placode sprocket wheels；77- driving shafts；78- bearing blocks；79- chains Take turns I；80- straight line oscillating riddles；81- sprocket wheels m；82- bearing blocks；83- sprocket wheels n；84- crank axles；85- line slideways；86- idler wheels； 87- sieves；88- sieve buckets；89- stirs pin；91- bearing blocks；92- swinging axles；93- connecting rods；94- crank bases；95- adjustable eccentrics Crank-pin；96- swing arms；97- sliding slots；98- grizzly bars；100- is layered the mechanism that fetches earth；101- scraper plates；102- flight chains；103- Scraping plate mechanism；104- topsoil colters；105- fruit soil layer colters；106- arm carriers；107- hydraulic cylinders；108- conveyer belts； 109- conveyer belt driven shafts；111- conveyer belt driving shafts；112- drive sprockets；113- sprocket wheels o；114- reduction boxes；115- sprocket wheels p；116- belt pulleys.

Specific embodiment

The present invention is described in further detail below by specific embodiment and with reference to attached drawing.

Crawler belt is present embodiments provided from walking dry type water chestnut harvester, as shown in Fig. 1-2,15, including chassis, reduction box, The mechanism that fetches earth, hack part, separation sorting section are layered, chassis is by caterpillar band traveling chassis (14), engine in situ (15), rack (21), the components such as distributing shaft (30), driver's cabin (11) composition is driven, reduction box (114) is connected with engine in situ (15), Effect is that the speed of engine in situ is reduced, and layering fetches earth mechanism by being layered the mechanism that fetches earth (100), hydraulic cylinder (107) etc. Component forms, and completes scooping up for topsoil and is arranged with side, fruit soil layer scoops up and is delivered to machine back-end processing；Hack part is by pre- Crushing roller group (40) tears native broach roller (50), feeds mud roller (16), pressing roller holder (17), fixes and tear native pecten (18), chute (19), the components such as roller group (60) fine crushing form, complete fruit soil layer pre- crushing, it is first it is broken tear the soil series of processes such as agglomerating, fine crushing, It is ready for the screening and choosing fruit of next step；Separate sorting section by straight line oscillating riddle (80), fruit extraction mechanism (70), point The parts such as channel selection (23) form, and complete the later stages process such as screening, sorting, collection, pack of horseshoe；The caterpillar band traveling chassis (14) top surface is fixed with platform (13), and driver's cabin (11), engine in situ (15), rack (21) are installed on platform (13), Engine in situ (15) is responsible for providing the power needed for complete machine walking, native fruit delivering sorting and hydraulic system；The layering takes Native mechanism (100) both ends are linked with rack (21), and lower end is connected with hydraulic cylinder (107), by the flexible of hydraulic cylinder (107) Control hierarchy fetches earth mechanism (100) around axis B swings, so as to control the embedded depth of colter and promote liftoff height；Institute State transmission distributing shaft (30), in advance crush roller group (40), tear native broach roller (50), roller group fine crushing (60), fruit extraction mechanism (70), Straight line oscillating riddle (80) is mounted on by corresponding bearing block in rack (21), wherein, it tears native broach roller (50) and is mounted in advance Crush roller group (40) rear, fixed to tear native pecten (18) installation and be situated between, chute (19) is mounted on fixation and tears native pecten (18) lower section, two groups of roller groups (60) fine crushing, which are mounted on, tears below native broach roller (50)；The straight line oscillating riddle (80) is mounted on two Below group roller group (60) fine crushing, fruit extraction mechanism (70) is in the angle toward layback in rack (21), straight line oscillating riddle (80) behind, the sorting table (23) is fastened transversely to fruit extraction mechanism (70) back upper place, the intermediate high both ends of sorting table (23) If dry screen soil hole is distributed in low, sloped sides, two ends are collection funnels.The top for being layered mechanism (100) of fetching earth Two swing arm hinges (24) are fixed, by joint pin (25) and hinge seat (26) chain being fixed in rack (21) in both sides respectively It connects.Sorting table (23) both ends are respectively arranged with seat (22), and it is a series of to carry out impurity elimination, sorting, collection, pack etc. for worker Operation.

With reference to shown in Fig. 3, transmission distributing shaft (30) component is by sprocket wheel a (31), sprocket wheel b (32), sprocket wheel c (34), chain Wheel (36) is fixed in distribution shaft (35), in addition two bearing blocks (33) form as supporting, engine in situ (15) is logical The sprocket wheel (115) that belt pulley (116) provides power to reduction box (114) is crossed, the sprocket wheel c (34) of transmission distributing shaft (30) passes through Chain is connected with sprocket wheel p (115), and power is distributed to each sprocket wheel, then is sent to accordingly by chain connection by each sprocket wheel Component.

With reference to shown in Figure 13-14, the layering fetches earth mechanism by scraper plate (101), flight chain (102), scraping plate mechanism (103), topsoil colter (104), fruit soil layer colter (105), arm carrier (106), hydraulic cylinder (107), conveyer belt (108), conveyer belt driven shaft (109), conveyer belt driving shaft (111), drive sprocket (112), sprocket wheel composition (113) composition, In, arm carrier (106) is the rack of entire mechanism, and front end installation includes scraper plate (101), flight chain (102), scraping plate mechanism (103), topsoil colter (104) is fixed with below scraping plate mechanism (104), fruit soil layer colter (105) is ploughed mounted on topsoil Head (104) back lower place, the front end of arm carrier (106), conveyer belt driven shaft (109) are mounted in fruit soil layer colter (105) rear, With conveyer belt driving shaft (111), the conveyer of conveyer belt (108) composition conveying fruit soil layer, drive sprocket (112), sprocket wheel o (113) both sides of conveyer belt driving shaft (111) are separately fixed at, drive sprocket (112) is by chain with distributing in shaft (35) Sprocket wheel b (32) connections.

With reference to shown in Fig. 4, the pre- crushing roller group (40) is mounted on conveyer belt driving shaft (111) rear, by bearing block (41), plain bearing housing (42), recessed roller (43), convex roller (44), upper roll shaft (45), lower roller shaft (46), sprocket wheel e (47), sprocket wheel f (48), sprocket wheel g (49) is formed, wherein, bearing block (41), recessed roller (43), sprocket wheel g (49) are fixed on lower roller shaft (46), recessed roller (43), the concave-convex tooth form of convex roller (44) is axially aligned, and the sprocket wheel o (113) of conveyer belt driving shaft (111) passes through chain and chain It takes turns g (49) to connect, lower roller shaft (46) and conveyer belt driving shaft (111) are to rotate forward；Convex roller (44), sprocket wheel e (47), chain Wheel f (48), plain bearing housing (42) are fixed on roll shaft (45), and upper roll shaft (45) can pass through mobile plain bearing housing (42) Position up and down adjustment, sprocket wheel f (48) and tear the chain of the sprocket wheel (56) of native broach roller (50), sprocket wheel e (47) with feeding mud roller (16) Wheel is connected by chain, turns to rotate backward；The mud roller (16) of feeding is mounted on directly over conveyer belt driving shaft (111), on Lower position can adjust；The pressing roller holder (17) is fixed hello mud roller (16), the rack of upper roll shaft (45), plays support positioning and makees With.

With reference to shown in Fig. 5-6, described tears native broach roller (50) by shaft (51), support plate (52), broach (53), bearing block (54), sprocket wheel h (55), sprocket wheel i (56), reinforcing plate (57), sliver (58) composition, shaft (51) both ends fixed bearing block (54), Sprocket wheel h (55), sprocket wheel i (56), intermediate radial, which fixes several support plate (52) both ends, has reinforcing plate (57), on each support plate (52) A row of combs tooth (53) is arranged, is staggeredly arranged with the fixed a row of combs item (58) for tearing native pecten (18), sprocket wheel h (55) and roller fine crushing The sprocket wheel j (66) of group (60) is connected by chain, turns to rotate backward.

With reference to shown in Fig. 7-8, the roller group fine crushing (60) is two groups, and every group respectively by shaft (61), disk (62), set Glue pole (63), bearing block (64), gear (65), sprocket wheel j (66), sprocket wheel k (67) compositions, wherein, among shaft (61) respectively Fix two disks (62), disk (62) circumferentially installs several set glue poles (63) in caged, covers between glue pole (63) Interval, which is subject to, does not damage horseshoe, shaft (61) both ends fixed bearing block (64), gear (65), one group of fixed chain wheels j (66), separately One group of fixed chain wheels k (67), sprocket wheel k (67) are connected with the sprocket wheel d (36) of transmission distributing shaft (30) by chain, installation sprocket wheel k (67) for shaft (61) to rotate forward, another shaft (61) is to rotate backward after a pair of of gear (65) is commutated.

With reference to shown in Figure 10-12, the straight line oscillating riddle (80) is by sprocket wheel m (81), bearing block (82), sprocket wheel n (83), song Arbor (84), line slideway (85), sieve (87), sieve bucket (88), stir pin (89), bearing block (91), swinging axle at idler wheel (86) (92), connecting rod (93), crank base (94), adjustable eccentric crank-pin (95), swing arm (96), sliding slot (97), grizzly bar (98) composition, Wherein, sieve (87) is mounted on sieve bucket (88) bottom, and two line slideways (85) are fixed in rack (86), sieve bucket (88) two 8 groups of idler wheels (86) are installed in side, are slid back and forth by idler wheel (86) support sieve bucket (88) on line slideway (85), crank axle (84) Upper fixation is by sprocket wheel m (81), bearing block (82), sprocket wheel n (83), crank base (94), adjustable eccentric crank-pin (95), crank axle (84) the sprocket wheel n (83) on is connected with the sprocket wheel (31) of transmission distributing shaft (30) by chain, to rotate forward, adjustable offset innermost being Handle pin (95) is fixed on crank base (94), and position can adjust to obtain different offsets, and both ends pass through bearing block (91) it is mounted in rack (21), swing arm (96), connecting rod (93) one end and adjustable offset innermost being is fixed among swinging axle (92) Handle pin (95) links, and the other end is linked with swing arm (96) upper end, and the lower end of swing arm (96) carries sliding slot (97), stirs pin (89) sliding slot (97) the card people mounted on sieve bucket (88) top, swing arm (96) stirs pin (89), passes through toggle band Movable pendulum swing arm (96) is swung, and then is promoted and stirred pin (89), forces sieve bucket (88) swing.

With reference to shown in Fig. 9, the fruit extraction mechanism (70) is by plain bearing housing (71), driven shaft (72), leakproof roller (73), rack (74), promotion pawl (75), otic placode sprocket wheel (76), driving shaft (77), bearing block (78), sprocket wheel I (79) compositions, In, otic placode sprocket wheel (76), bearing block (78), leakproof roller (73), sprocket wheel I (79), sprocket wheel I (79) are fixed on driving shaft (77) It is connected with the sprocket wheel m (81) of straight line oscillating riddle (80) by chain；Driven shaft (72) is fixed with plain bearing housing (71), leakproof roller (73), two pairs of otic placode sprocket wheels (76) are connected by two band ear chains, and several groups of promotion pawl (75) both ends are fixed on chain otic placode On, it promotes pawl (75) and is not contacted with the laterally staggered arrangement of the grizzly bar (98) of straight line oscillating riddle (80), there is certain weight in longitudinal direction always Folded, bearing block (78), plain bearing housing (71) are installed in rack (74), and adjusting plain bearing housing (71) position can be with tension band Ear chain.

The operation principle of above-mentioned water chestnut harvester is：Water chestnut harvester is driven to field, alignment horseshoe plantation row manipulates liquid Pressure system, which falls arm carrier (106), to be made double-deck colter slowly shovel buries, while controls the hydraulic motor to make flight chain (102) Operating, adjusts its rotation direction and speed, and topsoil is made to reach preferable side row effect, treats that fruit soil layer colter (105) is ploughed completely To arable layer bottom when, locking hydraulic cylinder (107) controls throttle and gear to make the walking of cropper to fix soil depth Speed is adapted to harvest effect, and the fruit soil layer between two colters is by being layered the conveyer conveying hoisting of the mechanism that fetches earth (100) extremely Top, with the help of mud roller (16) is fed, recessed roller (43), the wave of convex roller (44) formation of pre- crushing roller group (40) of being made a gift to someone Shape gap, continuous banding mud layer are extruded as Pork-pieces big walk, fall into the fixed sliver (18) for tearing native pecten (18) On, broach (53) row for tearing native broach roller (50) rotates backward, and big walk is torn small walk of the solution for 5-10CM as comb, Complete the coarse crushing process of fruit soil layer；Fruit the thickness of the layer can adjust topsoil colter (104) to reach, to ensure thickness as low as It does not shovel and hinders horseshoe, the big purpose for taking into account later stage separating effect again；Feed mud roller (16), upper roll shaft (45) also can tune to suitable height Degree is adapted to fruit soil thickness, make fruit soil layer by when squeeze from undue, ensure that horseshoe is not damaged.Native pecten (18) is torn in fixation Sliver (58) and tear the horizontal minimum spacing of broach (53) of native broach roller (50) and be designed to be more than horseshoe maximum gauge, ensure Horseshoe is not damaged when tearing soil.Walk after coarse crushing is under the guiding of chute (19), into the roller group fine crushing of two groups of relative rotations (60) among, under the continuously extruded effect organized in set glue pole (63), further fine crushing is smaller thin mud block, while most of Horseshoe exposes out, falls into together in straight line oscillating riddle (80), and sieve bucket (88) bottom plate constantly swung is installed by macropore sieve (87), most of mud is screened out, it is impossible to which the compass screen surface that the big walk of the horseshoe of sieving and part is inclined by is oriented to going out for sieve bucket (88) At mouth grizzly bar (98), it is promoted to by the promotion pawl (75) of fruit extraction mechanism (70) in sorting table (23), finally by sorting table (23) worker at both ends completes the later stages works such as impurity elimination, sorting, collection, pack.Before u-turn and during without harvest operation, carry It rises arm carrier (106) and leaves ground to extreme higher position, while cut off the power of hydraulic motor and reduction box (114), Fang Kejin Row u-turn and the operation of telephone-moving.

Claims (10)

1. a kind of crawler belt is from walking dry type water chestnut harvester, it is characterised in that fetches earth mechanism, hack including chassis, reduction box, layering Partly, sorting section is separated, chassis is by caterpillar band traveling chassis (14), engine in situ (15), rack (21), transmission distributing shaft (30), the components such as driver's cabin (11) form, and reduction box (114) is connected with engine in situ (15), and effect is that chassis is sent out The speed of motivation reduces, and is layered the mechanism that fetches earth and is formed by being layered the components such as the mechanism that fetches earth (100), hydraulic cylinder (107), completes table Scooping up for layer soil is arranged with side, and fruit soil layer scoops up and is delivered to machine back-end processing；Hack part by crushing roller group (40), tearing in advance Native pecten (18), chute (19), roller group fine crushing (60) etc. are torn in native broach roller (50), hello mud roller (16), pressing roller holder (17), fixation Component forms, and completes the pre- crushing of fruit soil layer, the first broken screening and choosing fruit torn the soil series of processes such as agglomerating, fine crushing, be next step It is ready；Sorting section is separated by parts groups such as straight line oscillating riddle (80), fruit extraction mechanism (70), sorting tables (23) Into completing the later stages process such as screening, sorting, collection, pack of horseshoe；Caterpillar band traveling chassis (14) top surface is fixed with platform (13), driver's cabin (11), engine in situ (15), rack (21) are installed on platform (13), and engine in situ (15) is responsible for Power needed for complete machine walking, native fruit delivering sorting and hydraulic system is provided；It is described to be layered mechanism (100) both ends and the machine of fetching earth Frame (21) is linked, and lower end is connected with hydraulic cylinder (107), and the mechanism that fetches earth is layered by the extension and contraction control of hydraulic cylinder (107) (100) swung around axis B, so as to control the embedded depth of colter and promote liftoff height；The transmission distributing shaft (30), Pre- crushing roller group (40) tears native broach roller (50), roller group fine crushing (60), fruit extraction mechanism (70), straight line oscillating riddle (80) It is mounted on by corresponding bearing block in rack (21), wherein, it tears native broach roller (50) and is mounted on pre- crushing roller group (40) rear, It is fixed to tear native pecten (18) installation and be situated between, chute (19) be mounted on it is fixed tears below native pecten (18), two groups of rollers fine crushing Group (60), which is mounted on, tears below native broach roller (50)；The straight line oscillating riddle (80) is mounted below two groups of roller groups (60) fine crushing, Fruit extraction mechanism (70) is in be mounted on toward the angle swung back in rack (21), behind straight line oscillating riddle (80), the sorting table (23) fruit extraction mechanism (70) back upper place is fastened transversely to, sorting table (23) is high in the middle and low on both ends, is distributed in sloped sides If dry screen soil hole, two ends are collection funnels.

2. water chestnut harvester according to claim 1, it is characterised in that the top both sides for being layered the mechanism (100) that fetches earth Two swing arm hinges (24) are fixed respectively, are linked by joint pin (25) with the hinge seat (26) being fixed in rack (21).

3. water chestnut harvester according to claim 1, it is characterised in that transmission distributing shaft (30) component is by sprocket wheel a (31), sprocket wheel b (32), sprocket wheel c (34), sprocket wheel (36) are fixed in distribution shaft (35), in addition two bearing block (33) conducts It supports and forms, engine in situ (15) provides power to the sprocket wheel (115) of reduction box (114) by belt pulley (116), transmission The sprocket wheel c (34) of distributing shaft (30) is connected by chain with sprocket wheel p (115), and power is distributed to each sprocket wheel, then by each sprocket wheel Corresponding component is sent to by chain connection.

4. water chestnut harvester according to claim 1, it is characterised in that the roller group fine crushing (60) is two groups, per component Not by shaft (61), disk (62), set glue pole (63), bearing block (64), gear (65), sprocket wheel j (66), sprocket wheel k (67) group Into, wherein, two disks (62) are fixed among shaft (61) respectively, disk (62) is circumferential to install several set glue poles in caged (63), the interval between set glue pole (63), which is subject to, does not damage horseshoe, shaft (61) both ends fixed bearing block (64), gear (65), one group of fixed chain wheels j (66), another group of fixed chain wheels k (67), the sprocket wheel d of sprocket wheel k (67) and transmission distributing shaft (30) (36) connected by chain, the shaft (61) of installation sprocket wheel k (67) is rotates forward, and another shaft (61) is by a pair of of gear (65) it is to rotate backward after commutating.

5. water chestnut harvester according to claim 3, it is characterised in that it is described layering fetch earth mechanism by scraper plate (101), scrape Plate chain (102), scraping plate mechanism (103), topsoil colter (104), fruit soil layer colter (105), arm carrier (106), hydraulic pressure Oil cylinder (107), conveyer belt (108), conveyer belt driven shaft (109), conveyer belt driving shaft (111), drive sprocket (112), sprocket wheel (113) composition is formed, wherein, arm carrier (106) is the rack of entire mechanism, and front end installation includes scraper plate (101), scraper chain Item (102), scraping plate mechanism (103) are fixed with topsoil colter (104), fruit soil layer colter below scraping plate mechanism (104) (105) topsoil colter (104) back lower place, the front end of arm carrier (106) are mounted on, conveyer belt driven shaft (109) is mounted in fruit Soil layer colter (105) rear, with conveyer belt driving shaft (111), the conveyer of conveyer belt (108) composition conveying fruit soil layer, driving Sprocket wheel (112), sprocket wheel o (113) are separately fixed at the both sides of conveyer belt driving shaft (111), drive sprocket (112) by chain with Distribute sprocket wheel b (32) connections in shaft (35).

6. water chestnut harvester according to claim 4, it is characterised in that it is described tear native broach roller (50) by shaft (51), Support plate (52), broach (53), bearing block (54), sprocket wheel h (55), sprocket wheel i (56), reinforcing plate (57), sliver (58) composition, shaft (51) both ends fixed bearing block (54), sprocket wheel h (55), sprocket wheel i (56), intermediate radial fix several support plate (52) both ends have plus A row of combs tooth (53) is arranged on strong plate (57), each support plate (52), is staggered with the fixed a row of combs item (58) for tearing native pecten (18) Arrangement, sprocket wheel h (55) are connected by chain with the sprocket wheel j (66) of roller group fine crushing (60), turn to rotate backward.

7. water chestnut harvester according to claim 5, it is characterised in that the pre- crushing roller group (40) is mounted on conveyer belt Driving shaft (111) rear, by bearing block (41), plain bearing housing (42), recessed roller (43), convex roller (44), upper roll shaft (45), lower roll Axis (46), sprocket wheel e (47), sprocket wheel f (48), sprocket wheel g (49) compositions, wherein, bearing block (41), recessed roller (43), sprocket wheel g (49) are solid Due on lower roller shaft (46), recessed roller (43), the concave-convex tooth form of convex roller (44) are axially aligned, conveyer belt driving shaft (111) Sprocket wheel o (113) is connected by chain with sprocket wheel g (49), and lower roller shaft (46) and conveyer belt driving shaft (111) are to rotate forward； Convex roller (44), sprocket wheel e (47), sprocket wheel f (48), plain bearing housing (42) are fixed on roll shaft (45), and upper roll shaft (45) can be with By the position up and down adjustment of mobile plain bearing housing (42), sprocket wheel f (48) and sprocket wheel (56), the sprocket wheel for tearing native broach roller (50) E (47) is connected with feeding the sprocket wheel of mud roller (16) by chain, turns to rotate backward；The mud roller (16) of feeding is mounted on conveyer belt Directly over driving shaft (111), upper-lower position can adjust；The pressing roller holder (17) is fixed hello mud roller (16), upper roll shaft (45) rack plays support positioning action.

8. water chestnut harvester according to claim 1, it is characterised in that the straight line oscillating riddle (80) by sprocket wheel m (81), Bearing block (82), sprocket wheel n (83), crank axle (84), line slideway (85), idler wheel (86), sieve (87), sieve bucket (88), stir Sell (89), bearing block (91), swinging axle (92), connecting rod (93), crank base (94), adjustable eccentric crank-pin (95), swing arm (96), sliding slot (97), grizzly bar (98) composition, wherein, sieve (87) is mounted on sieve bucket (88) bottom, and two line slideways (85) are solid It is scheduled in rack (86), 8 groups of idler wheels (86) are installed in sieve bucket (88) both sides, by idler wheel (86) support sieve bucket (88) in line slideway (85) slid back and forth on, on crank axle (84) fix by sprocket wheel m (81), bearing block (82), sprocket wheel n (83), crank base (94), can Eccentric crank-pin (95), the sprocket wheel (31) of sprocket wheel n (83) and transmission distributing shaft (30) on crank axle (84) are connected by chain It connects, to rotate forward, adjustable eccentric crank-pin (95) is fixed on crank base (94), and position can adjust to obtain different Offset, both ends are mounted on by bearing block (91) in rack (21), and swing arm (96), connecting rod are fixed among swinging axle (92) (93) one end is linked with adjustable eccentric crank-pin (95), and the other end is linked with swing arm (96) upper end, the lower end of swing arm (96) With sliding slot (97), stir pin (89) at the top of the sieve bucket (88), the sliding slot (97) of swing arm (96) card people stir pin (89), By toggle swing arm (96) is driven to swing, and then promote and stir pin (89), force sieve bucket (88) swing.

9. water chestnut harvester according to claim 8, it is characterised in that the fruit extraction mechanism (70) is by sliding bearing Seat (71), driven shaft (72), leakproof roller (73), rack (74), promotion pawl (75), otic placode sprocket wheel (76), driving shaft (77), bearing Seat (78), sprocket wheel I (79) compositions, wherein, otic placode sprocket wheel (76), bearing block (78), leakproof roller are fixed on driving shaft (77) (73), sprocket wheel I (79), sprocket wheel I (79) are connected with the sprocket wheel m (81) of straight line oscillating riddle (80) by chain；Driven shaft (72) is solid Surely there are plain bearing housing (71), leakproof roller (73), two pairs of otic placode sprocket wheels (76) are connected by two band ear chains, several groups of promotions Pawl (75) both ends are fixed on chain otic placode, promote the laterally staggered arrangement of grizzly bar (98) of pawl (75) and straight line oscillating riddle (80) not There are certain overlapping in contact, longitudinal direction always, and bearing block (78), plain bearing housing (71) are installed in rack (74), adjust and slide It bearing block (71) position can be with tension band ear chain.

10. water chestnut harvester according to claim 1, it is characterised in that sorting table (23) both ends are respectively arranged with seat Chair (22) carries out the sequence of operations such as impurity elimination, sorting, collection, pack for worker.