CN208387314U - A kind of novel bionic harvesting roll-type corn corn snapping unit - Google Patents

Abstract

The utility model belongs to agricultural machinery technological field, is related to a kind of novel bionic harvesting roll-type corn corn snapping unit.Ear-picking unit, plant clamping device, harvester are sequentially placed into rack in accordance with the order from top to bottom, and power is provided by hydraulic motor.Under the driving of hydraulic motor, corn plant is gathered in by harvester, and plant clamping device carries out clamping conveying to the plant cut off, and corn fruit ear is harvested under the cooperation of ear-picking unit.The utility model uses slider-crank mechanism harvesting corn plant, cornstalk is fixed and clamps conveying using three sections of clamping carrier chains simultaneously, the opposite rotation of the final cooperation and ear-picking unit with bionical effect harvests corn fruit ear, realize corn fruit ear it is lossless, efficient, smoothly harvest.The utility model is suitable for the fruit ear harvest operation of corn main producing region and mitigates the labor burden at planting of sweet corn family.

Description

A kind of novel bionic harvesting roll-type corn corn snapping unit

Technical field

The utility model belongs to category agricultural machinery technological field, in particular to a kind of novel bionic harvesting roll-type corn is plucked Spike body.

Background technique

2016, domestic corn total amount reached 1,000,000 hectares, moreover, a few years from now on corn demand and go out Mouth amount is likely to increase, and domestic planting scale can also expand.It is calculated according to the level of consumption and the size of population in China, China Plantation corn potentiality are up to 15,000,000 mu, create net output value per acre by 600 yuan of calculating, will create 9,000,000,000 yuan of great markets. With the expansion of planting of sweet corn scale, corn production mechanization is but not carried out, at present the production process of corn also according to By manpower, especially harvest process, which fully relies on, is accomplished manually, and is significantly increased the labor burden of peasant household, is also seriously hindered The popularization of planting of sweet corn technology.

Due to the special operation environment of corn harvesting and the shortage of studies in China, the development base of corn harvest machinery Space state is in sheet, the clamping corn snapping unit in existing corn harvester cutting bench is staggered by corresponding two groups of clamping pipes It is driven afterwards by the hydraulic motor installed on driving pulley, drive passive belt wheel and dials the rotation of standing grain disk, ear corn stalk is dialled Standing grain disk folder is lived, and is clamped by the belt on driving pulley and passive belt wheel, then the drive of the hydraulic motor by installing on snapping bar is plucked Fringe roller harvesting, two groups of belts are homodromous.But the mechanism structure is complicated, needs two groups of hydraulic motors while providing dynamic Power, improves production cost, and productivity effect is low.The critical component of corn harvest machinery is corn snapping unit, existing harvesting equipment When carrying out ear harvesting operation to corn.Its harvesting effect is not ideal enough, harvesting loss is big, serious to fruit ear damage in mechanical work The problems such as low efficiency.

Utility model content

Purpose of the utility model is to solve when corn harvesting described in technical background, harvesting effect is not enough managed Think, the problems such as harvesting loss is big, serious to fruit ear damage and mechanical work efficiency is low, a kind of novel bionic harvesting roll-type sweet tea is provided Corn picking mechanism.

The technical solution of the utility model are as follows: a kind of novel bionic harvesting roll-type corn corn snapping unit, including rack with And it is sequentially placed into ear-picking unit, plant clamping device and harvester in rack in accordance with the order from top to bottom, power is by liquid Pressure motor provides；

In the rack, the crossbeam I parallel to each other of left and right two and former and later two stringers I parallel to each other form rectangular frame Bottom frame, the lateral surface of two crossbeams I weld otic placode, and otic placode is arranged the threaded hole I that diameter is 14mm, and fitted bolt is by entire mechanism It is connected in corn cropper rack, the threaded hole II that front end stringer I is 8mm through setting diameter, two vertical beams I and rectangle Rack bottom frame is fixedly connected, and between two vertical beams I is 10 °~20 ° there are angle, and two vertical beams II are welded on two crossbeams I Upper surface, II upper end of vertical beam are fixedly connected with stringer II, and hydraulic motor seat I, the recessed circle of hydraulic motor seat I is arranged in the middle part of stringer II Face be uniformly arranged diameter be 8mm four threaded holes III, central rack be in tilted layout two cant beams I, gradient be 40 °~ 50 °, one end is fixedly connected with I upper surface of front end stringer, and the other end is fixedly connected on I upper surface of vertical beam, and cant beam I leans on two close end The upper surface in face is welded with attachment base, and two cant beams are welded with two attachment bases, and it is 10mm that attachment base, which is provided through diameter, Threaded hole IV, six diameters are that the threaded hole IV of 12mm is evenly arranged in the two sides of attachment base, and each column arranges three threaded holes IV, the upper surface at the middle part of cant beam I is fixedly connected with that there are two crossbeams II parallel to each other, and one end of two crossbeams II is connected with triangle Harvesting roller seat, two snapping bars that two harvesting roller seat cooperation triangle stringers II connect are arranged in stringer I, one end of triangle stringer I Seat is welded with roller center axis for installing ear-picking unit on harvesting roller seat, shaft length 30mm, is welded with stringer between vertical beam I III, stringer III is 400mm~450mm, upper end welding and the cant beam I of two cant beams I with the distance between the upper surface away from crossbeam I Two vertical cant beams II, two II upper ends of cant beam are provided with triangle stringer II and hydraulic motor seat II, and hydraulic motor seat II hangs down Directly in being provided with perforative diameter on cant beam II, the recessed disc of hydraulic motor seat II as the threaded hole V of 8mm, the length of rack is 800~910mm, width are 150~200mm, are highly 1000~1100mm；

The ear-picking unit is mainly made of two snapping bars, and harvesting roll shaft surface is welded with bionical harvesting spiral, harvesting The basipetal carry out harvesting of the corn plant that Helical Mode apery hand serves plant clamping device, two harvesting spirals are uniformly distributed In on harvesting roll shaft, there is axis hole at harvesting roll shaft both ends, and axis hole depth is 40mm, and diameter 30mm is coupled with roller center axis, Two small-sized BMM-8 hydraulic motors are mounted on harvesting roller seat, provide power source for two snapping bars；

By left clamping, single-stranded, BMR--L hydraulic motor, right clamping double-strand form the plant clamping device, and left clamping is single-stranded In, clamping chain is evenly distributed with ten pieces of stem pulling shackles sections, upper hopper chute seat and downslide groove seat and is bolted on cant beam I by M12 × 45 On attachment base, slider I is installed in upper hopper chute seat, I length of spring is 80mm, and one end connection sliding block I, the other end is placed on M18 × 60 bolts, slider I upper surface are welded with driven gear shaft, and a diameter of 40mm is highly 60mm, driven chain wheel shaft upper surface There is a threaded hole VI, slider I, spring I, the bolt of M18 × 60, driven chain wheel shaft constitute driven wheel tensioning apparatus, on driven chain wheel shaft Driven sprocket is installed, limit plate and the bolt of M8 × 32 cooperate, are installed on driven chain wheel shaft, limit the axial movement of driven sprocket, Sliding block II is installed, II length of spring is 40mm, one end connection sliding block II, and the other end is placed on the spiral shell of M18 × 45 in downslide groove seat Bolt, II upper surface of sliding block are welded with drive sprocket axle, and a diameter of 30mm is highly 60mm, and there is spiral shell in drive sprocket axle upper surface Pit VI, sliding block II, spring II, the bolt of M18 × 45, drive sprocket axle constitute driving wheel tensioning apparatus, pacify on drive sprocket axle Drive sprocket is filled, clamping chain and two sprocket wheels cooperate, and left clamping chain is overlooked in transmission ratio i=1.6~2.0 of two sprocket wheels, clamping Chain rotates clockwise, and the structure of right clamping double-strand is similar with left clamping single-stranded structure, distance between lower clamping chain and upper clamping chain For 100mm, two clamping chains are rotated synchronously, and identical as clamping chain revolving speed, and two BMR-80-L hydraulic motors are that left clamping is single-stranded Power is provided with right clamping double-strand, two BMR-80-L hydraulic motors are installed on hydraulic motor seat II, utilize four M8 × 32 Bolt connects BMR-80-L hydraulic motor；

The harvester is completed the harvesting of corn stem by a four-bar mechanism, is disposed with hydraulic motor seat on stringer II I, for installing the BMR-80-L hydraulic motor of driving four rod harvester structures running, it is defeated that disk is sleeved on BMR-80-L hydraulic motor On shaft, disk is connect by the bolt of M6 × 24 with disc crank, is transferred power to four rod harvester structures, is gathered in the end of knife bar End forms by connecting pin with disc crank and is rotatablely connected, and is slidably connected in the middle part of knife bar with the formation of knife bar guide rail, knife bar guide rail and Track base forms rotation connection, and track base is connected by the bolt of M6 × 18 and the stringer I of rack, under the driving of disc crank, So that knife bar is swung, cuts corn stem；

Preferably, harvesting spiral is involute spiral, and during snapping bar rotation, corn ear transmits from bottom to top, fruit The angle of fringe and corn stem is gradually expanded by harvesting spiral, finally completes ear harvesting operation, and four-bar mechanism simulates human hand held cutter Harvesting is carried out to corn, cutter, which swings, gathers in corn stem, and cutter, which swings, carries out corn stem Harvesting, to cooperate subsequent job.

Preferably, in the snapping bar, the minimum range between two snapping bars of left and right is 35~45mm, and revolving speed is 120r/min, the damage to slowly run, to avoid snapping bar to corn ear.

Preferably, the chain spacing of the single-stranded and right clamping double-strand of the left clamping is 0mm, and three sections of clamping chain spacing for 15~ 20mm forms three contact points to the corn stem under cutting, constitutes lever construction and carries out stable holding.

Preferably, for the stem pulling hook by chain link shaft, stem pulling curved surface, stem pulling hook main body, stem pulling hook height is 45~50mm, real Now the collection of stalk and auxiliary are clamped.

Preferably, the cutter is not more than 130mm apart from ground distance, and cutter puts the first edge on a knife or a pair of scissors processing, conducive to corn stem It is gathered in.

When work, starts hydraulic pump as hydraulic motor and hydraulic power is provided, drive BMR-80-L hydraulic motor and BMM-8 hydraulic Motor rotation, driving clamping device, ear-picking unit, harvester no-load running wait for complete machine even running, driving corn harvest Machine complete machine is advanced, and the cutter of harvester, which swings, realizes cutting to corn stalk, while clamping device will be under cutting Corn stalk clamping, with inclined clamping device, corn stem is sent between ear-picking unit, two relative motions Snapping bar carries out ear harvesting operation to corn fruit ear.

The utility model has the following beneficial effects: the utility model uses the four-bar mechanism harvester with bionical effect, Stem cutting is carried out, the corn stem under cutting is passed up by inclined clamping device, the bionical snapping bar pair of opposite direction rotation Corn ear is picked, and realizes the lossless efficient harvest of corn fruit ear, not only picking efficiency is high for the machine, but also picks loss Rate is low, fluency is good, fruit ear damage is small, and the corn suitable for corn main producing region harvests and mitigates the labor at planting of sweet corn family Fatigue resistance.

Detailed description of the invention

Fig. 1 is the three-dimensional structure diagram of the bionical harvesting roll-type corn corn snapping unit of the utility model；

Fig. 2 is the schematic perspective view of the rack of the utility model；

Fig. 3 is rack sectional perspective structural schematic diagram shown in Fig. 2；

Fig. 4 is the schematic perspective view of the ear-picking unit of the utility model；

Fig. 5 is the schematic perspective view of snapping bar shown in Fig. 4；

Fig. 6 is the clamping device schematic perspective view of the utility model；

Fig. 7 is the single-stranded schematic perspective view of left clamping shown in fig. 6；

Fig. 8 is the schematic perspective view of clamping chain pedestal shown in fig. 6；

Fig. 9 is the schematic perspective view of right clamping double-strand shown in fig. 6；

Figure 10 is the schematic perspective view of stem pulling chain shown in fig. 6；

Figure 11 is the schematic perspective view of stem pulling hook shown in fig. 6；

Figure 12 is the scheme of installation of the harvester of the utility model；

Figure 13 is the schematic perspective view of the four-bar mechanism harvester of the utility model.

In figure: 1-- rack, single-stranded, the 3--BMR-80-L hydraulic motor of the left clamping of 2--, 4-- snapping bar, the right clamping of 5-- are double Chain, 6-- four-bar mechanism, 101-- otic placode, 102-- crossbeam I, 103-- threaded hole I, 104-- vertical beam I, 105-- stringer I, 106-- Threaded hole II, 107-- vertical beam II, 108-- stringer II, 109-- threaded hole III, 110-- hydraulic motor seat I, 111-- attachment base, 112-- threaded hole IV, 113-- crossbeam II, 114-- triangle stringer I, 115-- harvesting roller seat, 116-- roller center axis, 117-- are oblique Beam I, 118-- stringer III, 119-- cant beam II, 120-- triangle stringer II, 121-- hydraulic motor seat II, 122-- threaded hole V, 201-- stem pulling shackles section, 2011-- chain link shaft, 2012-- stem pulling curved surface, 2013-- stem pulling hook main body, 202-- clamping chain, 203-- upper hopper chute seat, the bolt of 204--M8 × 32,205-- limit plate, 206-- driven sprocket, the bolt of 207--M12 × 45, 208-- spring I, 209-- spring II, 210-- drive sprocket, 211-- downslide groove seat, the bolt of 212--M18 × 60,213-- screw thread Hole VI, 214- drive sprocket axle, 215-- driven gear shaft, 216-- slider I, 217-- sliding block II, the bolt of 218--M18 × 45, The bolt of 301--M8 × 32, the bionical harvesting spiral of 401--, 402-- harvesting roll shaft, 403--BMM-8 hydraulic motor, 404-- axis hole, Clamping chain under 501--, the upper clamping chain of 502--, 601-- disk, 602-- knife bar guide rail, 603-- gather in knife bar, 604-- guide rail Seat, the bolt of 605--M6 × 18,606-- connecting pin, 607-- disc crank, the bolt of 608--M6 × 24.

Specific embodiment

It is described below in conjunction with specific structure and the course of work of the drawings and examples to the utility model.

As shown in Figure 1, novel bionic harvesting roll-type corn corn snapping unit mainly by ear-picking unit, plant clamping device, Harvester is constituted, and ear-picking unit, plant clamping device, harvester are sequentially placed into rack 1 in accordance with the order from top to bottom, is moved Power is provided by hydraulic motor.

As shown in Figure 2 and Figure 3, the crossbeam I 102 parallel to each other of the left and right of rack 1 two and former and later two stringers parallel to each other I 105 composition rectangular frame bottom frames, the lateral surface of two crossbeams I 102 weld otic placode 101, and it is 14mm's that diameter, which is arranged, in otic placode 101 Entire mechanism is connected in corn cropper rack by threaded hole I 103, fitted bolt, and front end stringer I 105 is straight through setting Diameter is the threaded hole II 106 of 8mm, and two vertical beams I 104 are fixedly connected with rectangular frame bottom frame, and depositing between two vertical beams I 104 It is 10 °~20 ° in angle, two vertical beams II 107 are welded on two I 102 upper surfaces of crossbeam, II 107 upper end of vertical beam and stringer II 108 are fixedly connected, and hydraulic motor seat I 110 is arranged in the middle part of stringer II 108, and the recessed disc of hydraulic motor seat I 110 is uniformly arranged directly Diameter is four threaded holes III 109 of 8mm, and central rack two cant beams I 117 of inclination arrangement, gradient is 40 °~50 °, one End is fixedly connected with I 105 upper surface of front end stringer, and the other end is fixedly connected on I 104 upper surface of vertical beam, and cant beam I 117 is close to two The upper surface of end face is welded with attachment base 111, and two cant beams 117 are welded with two attachment bases 111, and attachment base 111, which runs through, to be set It is equipped with the threaded hole IV 112 that diameter is 10mm, the threaded hole IV 112 that six diameters are 12mm is evenly arranged in attachment base 111 Two sides, each column arrange three threaded holes IV 112, and the upper surface at the middle part of cant beam I 117 is fixedly connected with that there are two crossbeams parallel to each other II 113, one end of two crossbeams II 113 is connected with triangle stringer I 114, and harvesting roller seat is arranged in one end of triangle stringer I 114 115, two harvesting roller seats 115 that two harvesting roller seats 115 cooperate triangle stringer II 120 to connect are plucked for installing ear-picking unit It is welded with roller center axis 116 on fringe roller seat 115, shaft length 30mm is welded with stringer III 118, stringer III between vertical beam I 104 The distance between 118 and the upper surface away from crossbeam I 102 are 400mm~450mm, upper end welding and the cant beam I of two cant beams I 117 117 two vertical cant beams II 119, two II 119 upper ends of cant beam are provided with triangle stringer II 120 and hydraulic motor seat II 121, For hydraulic motor seat II 121 perpendicular to cant beam II 119, it is 8mm that perforative diameter is provided on the recessed disc of hydraulic motor seat II 121 Threaded hole V 122, the length of rack is 800~910mm, and it is highly 1000~1100mm that width, which is 150~200mm,.

As shown in Figure 4, Figure 5, ear-picking unit is mainly made of two snapping bars 4, and 402 surface of harvesting roll shaft is welded with bionical Harvesting spiral 401, harvesting spiral 401 are imitated manpower and are plucked corn plant that plant clamping device is served is basipetal Fringe, two harvesting spirals 401 are distributed on harvesting roll shaft 402, and there is axis hole 404 at 402 both ends of harvesting roll shaft, and 404 depth of axis hole is 40mm, diameter 30mm are coupled with roller center axis 116, and two small-sized BMM-8 hydraulic motors 403 are mounted on snapping bar On seat 115, power source is provided for two snapping bars 4.

As illustrated in figs. 6-11, plant clamping device mainly clamps single-stranded 2, BMR-80-L hydraulic motor 3, right clamping pair by left Chain 5 forms.In left clamping single-stranded 2, clamping chain 202 is evenly distributed with 10 pieces of stem pulling shackles sections 201, upper hopper chute seat 203 and downslide groove seat 211 It is connected on the attachment base 111 on cant beam I 117 by the bolt of M12 × 45 207, slider I 216 is installed in upper hopper chute seat 203, I 208 length of spring is 80mm, and one end connection sliding block I 216, the other end is placed on the bolt of M18 × 60 212,216 upper surface of slider I It is welded with driven gear shaft 215, a diameter of 40mm is highly 60mm, and there is threaded hole VI 213 in 215 upper surface of driven chain wheel shaft, Slider I 216, spring I 208, the bolt of M18 × 60 212, driven chain wheel shaft 215 constitute driven wheel tensioning apparatus, driven chain wheel shaft Driven sprocket 206 is installed on 215, limit plate 205 and the bolt of M8 × 32 204 cooperate, be installed on driven chain wheel shaft 215, limitation from The axial movement of movable sprocket 206 is equipped with sliding block II 217 in downslide groove seat 211, and II 209 length of spring is 40mm, and one end connects Sliding block II 217 is connect, the other end is placed on the bolt of M18 × 45 218, and II 217 upper surface of sliding block is welded with drive sprocket axle 214, straight Diameter is 30mm, is highly 60mm, and there are threaded hole VI 213, sliding block II 217, spring II 209, M18 in 214 upper surface of drive sprocket axle × 45 bolts 218, drive sprocket axle 214 constitute driving wheel tensioning apparatus, and drive sprocket 210, folder are installed on drive sprocket axle 214 It holds chain 202 and two sprocket wheels cooperates, transmission ratio i=1.6~2.0 of two sprocket wheels are overlooked left clamping chain 2,202 up time of clamping chain The structure of needle rotation, right clamping double-strand 5 is similar with left single-stranded 2 structure of clamping, the spacing of lower clamping chain 501 and upper clamping chain 502 From for 100mm, two clamping chains are rotated synchronously, and identical as 202 revolving speed of clamping chain, and two BMR-80-L hydraulic motors 3 are left folder Single-stranded 2 and right clamping double-strand 5 offer power are held, two BMR-80-L hydraulic motors 3 are installed on hydraulic motor seat II 121, benefit BMR-80-L hydraulic motor 3 is connected with four bolts of M8 × 32 301.

As shown in Figure 12 and Figure 13, harvester is completed the harvesting of corn stem by four-bar mechanism 6, on stringer II 108 It is disposed with hydraulic motor seat I 110, for installing the BMR-80-L hydraulic motor 3 of driving four rod harvester structures running, disk 601 It is sleeved on 3 output shaft of BMR-80-L hydraulic motor, disk 601 is connect by the bolt of M6 × 24 608 with disc crank 607, will Power is transmitted to four rod harvester structures, and the end and disc crank 607 for gathering in knife bar 603 form rotation by connecting pin 606 and connect It connects, 603 middle part of knife bar is slidably connected with the formation of knife bar guide rail 602, and knife bar guide rail 602 and track base 604 are formed and be rotatablely connected, and leads Rail chair 604 is connect by the bolt of M6 × 18 605 with the stringer I 105 of rack 1, under the driving of disc crank 607, makes knife bar 603 It swings, cuts corn stem.

In addition, the bio-mechanism of the utility model patent is embodied in 6 harvester of 4 structure of snapping bar and four-bar mechanism, pluck Fringe spiral 401 is involute spiral, and during 4 rotation of snapping bar, corn ear transmits from bottom to top, fruit ear and corn stem Angle is gradually expanded by harvesting spiral 401, finally completes ear harvesting operation, this process simulation manpower takes corn, four-bar mechanism mould The hand-held cutter of personification carries out harvesting to corn, and cutter 603, which swings, gathers in corn stem, to cooperate subsequent work Industry.

Meanwhile in snapping bar 4, the minimum range between two snapping bars 4 of left and right is 35~45mm, revolving speed 120r/ Min, the damage to slowly run, to avoid snapping bar to corn ear；The chain spacing of left clamping single-stranded 2 and right clamping double-strand 5 For 0mm, strict guarantee clamping force, and three sections of clamping chain spacing are 15~20mm, form three to the corn stem under cutting and connect Contact constitutes lever construction and carries out stable holding；Stem pulling hook 201 is by chain link shaft 2011, stem pulling curved surface 2012, stem pulling hook main body 2013, stem pulling hook height is 45~50mm, realizes that the collection and auxiliary to stalk clamp；Cutter 603 apart from ground distance not Greater than 130mm, cutter 603 puts the first edge on a knife or a pair of scissors processing, gathers in conducive to corn stem.

The banana stem that the utility model is suitable for banana main producing region comprehensively utilizes.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of novel bionic harvesting roll-type corn corn snapping unit, which is characterized in that including rack (1) and according on to Under the sequence ear-picking unit, plant clamping device and harvester, the power that are sequentially placed on rack (1) mentioned by hydraulic motor For；

In the rack (1), two crossbeams I (102) parallel to each other in left and right and former and later two stringer I (105) groups parallel to each other The lateral surface of rectangular rack bottom frame, two crossbeams I (102) welds otic placode (101), and it is 14mm's that diameter, which is arranged, in otic placode (101) Entire mechanism is connected in corn cropper rack by threaded hole I (103), fitted bolt, and front end stringer I (105), which runs through, to be set The threaded hole II (106) that diameter is 8mm is set, two vertical beams I (104) are fixedly connected with rectangular frame bottom frame, and two vertical beams I (104) between is 10 °~20 ° there are angle, and two vertical beams II (107) are welded on two crossbeam I (102) upper surfaces, vertical beam II (107) upper end is fixedly connected with stringer II (108), and hydraulic motor seat I (110) are arranged in the middle part of stringer II (108), hydraulic horse Four threaded holes III (109) that diameter is 8mm are uniformly arranged up to the recessed disc of seat I (110), are in tilted layout two in the middle part of rack (1) Cant beam I (117), gradient are 40 °~50 °, and one end is fixedly connected with front end stringer I (105) upper surface, and the other end is fixed It is connected to vertical beam I (104) upper surface, cant beam I (117) is welded with attachment base (111) close to the upper surface of both ends of the surface, two cant beams (117) two attachment bases (111) are welded with, attachment base (111) is provided through the threaded hole IV (112) that diameter is 10mm, Six diameters are that the threaded hole IV (112) of 12mm is evenly arranged in the two sides of attachment base (111), and each column arranges three threaded holes IV (112), the upper surface in the middle part of cant beam I (117) is fixedly connected there are two crossbeam II (113) parallel to each other, two crossbeams II (113) one end is connected with triangle stringer I (114), and harvesting roller seat (115) are arranged in one end of triangle stringer I (114), and two are plucked Fringe roller seat (115) cooperates two harvesting roller seats (115) of triangle stringer II (120) connection, for installing ear-picking unit, snapping bar It is welded with roller center axis (116) on seat (115), shaft length 30mm, is welded with stringer III (118) between vertical beam I (104), indulged Beam III (118) is 400mm~450mm, the upper end of two cant beams I (117) with the distance between the upper surface away from crossbeam I (102) Two cant beams II (119) vertical with cant beam I (117) are welded, two cant beam II (119) upper ends are provided with triangle stringer II (120) and hydraulic motor seat II (121), hydraulic motor seat II (121) is perpendicular to cant beam II (119), hydraulic motor seat II (121) Recessed disc on be provided with the threaded hole V (122) that perforative diameter is 8mm, the length of rack (1) is 800~910mm, width It is highly 1000~1100mm for 150~200mm；

The ear-picking unit is mainly made of two snapping bars (4), and harvesting roll shaft (402) surface is welded with bionical harvesting spiral (401), harvesting spiral (401) imitates the basipetal carry out harvesting of corn plant that manpower serves plant clamping device, Two harvesting spirals (401) are distributed on harvesting roll shaft (402), and harvesting roll shaft (402) both ends have axis hole (404), axis hole (404) Depth is 40mm, diameter 30mm, is coupled with roller center axis (116), two small-sized BMM-8 hydraulic motor (403) peaces It is that two snapping bars (4) provide power source on harvesting roller seat (115)；

The plant clamping device is made of left clamping single-stranded (2), BMR-80-L hydraulic motor (3), right clamping double-strand (5), left It clamps in single-stranded (2), clamping chain (202) is evenly distributed with ten pieces of stem pulling shackles sections (201), upper hopper chute seat (203) and downslide groove seat (211) On the attachment base (111) being connected on cant beam I (117) by the bolt of M12 × 45 (207), upper hopper chute seat is equipped with cunning in (203) Block I (216), spring I (208) length are 80mm, and one end connection sliding block I (216), the other end is placed on the bolt of M18 × 60 (212), slider I (216) upper surface is welded with driven gear shaft (215), and a diameter of 40mm is highly 60mm, driven sprocket There are threaded hole VI (213), slider I (216), spring I (208), the bolt of M18 × 60 (212), driven sprocket in axis (215) upper surface Axis (215) constitutes driven wheel tensioning apparatus, installs driven sprocket (206) on driven chain wheel shaft (215), limit plate (205) and M8 × 32 bolts (204) cooperation, is installed on driven chain wheel shaft (215), limits the axial movement of driven sprocket (206), downslide groove seat (211) sliding block II (217) is installed, spring II (209) length is 40mm, one end connection sliding block II (217), another end cap in In the bolt of M18 × 45 (218), sliding block II (217) upper surface is welded with drive sprocket axle (214), and a diameter of 30mm is highly There are threaded hole VI (213), sliding block II (217), spring II (209), the bolt of M18 × 45 in 60mm, drive sprocket axle (214) upper surface (218), drive sprocket axle (214) constitutes driving wheel tensioning apparatus, installs drive sprocket (210) on drive sprocket axle (214), folder It holds chain (202) and two sprocket wheels cooperates, transmission ratio i=1.6~2.0 of two sprocket wheels are overlooked left clamping chain (2), clamping chain (202) rotate clockwise, the structure of right clamping double-strand (5) with it is left to clamp single-stranded (2) structure similar, lower clamping chain (501) and upper Distance is 100mm between clamping chain (502), and two clamping chains rotate synchronously, and, two BMR-s identical as clamping chain (202) revolving speed 80-L hydraulic motor (3) is that left clamping single-stranded (2) and right clamping double-strand (5) provide power, two BMR-80-L hydraulic motors (3) It is installed on hydraulic motor seat II (121), is connected BMR-80-L hydraulic motor (3) using four bolts of M8 × 32 (301)；

The harvester is completed the harvesting of corn stem by a four-bar mechanism (6), is disposed with hydraulic horse on stringer II (108) Up to seat I (110), for installing the BMR-80-L hydraulic motor (3) of driving four rod harvester structures running, disk (601) is sleeved on On BMR-80-L hydraulic motor (3) output shaft, disk (601) is connect by the bolt of M6 × 24 (608) with disc crank (607), Four rod harvester structures are transferred power to, the end and disc crank (607) for gathering in knife bar (603) rely on connecting pin (606) shape At rotation connection, is formed and be slidably connected with knife bar guide rail (602) in the middle part of knife bar (603), knife bar guide rail (602) and track base (604) rotation connection is formed, track base (604) is connect by the bolt of M6 × 18 (605) with the stringer I (105) of rack (1), Under the driving of disc crank (607), knife bar (603) is made to swing, cuts corn stem.

2. a kind of novel bionic harvesting roll-type corn corn snapping unit according to claim 1, which is characterized in that harvesting spiral shell Revolving (401) is involute spiral, and during snapping bar (4) rotation, corn ear transmits from bottom to top, fruit ear and corn stem Angle is gradually expanded by harvesting spiral (401), finally completes ear harvesting operation, and four-bar mechanism is simulated human hand held cutter and carried out to corn Harvesting, cutter (603), which swings, gathers in corn stem.

3. a kind of novel bionic harvesting roll-type corn corn snapping unit according to claim 1, which is characterized in that described to pluck In fringe roller (4), the minimum range between left and right two snapping bars (4) is 35~45mm, revolving speed 120r/min.

4. a kind of novel bionic harvesting roll-type corn corn snapping unit according to claim 1, which is characterized in that the left side The chain spacing for clamping single-stranded (2) and right clamping double-strand (5) is 0mm, and three sections of clamping chain spacing are 15~20mm, under cutting Corn stem forms three contact points, constitutes lever construction and carries out stable holding.

5. a kind of novel bionic harvesting roll-type corn corn snapping unit according to claim 1, which is characterized in that the drawing For stem hook (201) by chain link shaft (2011), stem pulling curved surface (2012), stem pulling hook main body (2013), stem pulling hook height is 45~50mm.

6. a kind of novel bionic harvesting roll-type corn corn snapping unit according to claim 1, which is characterized in that described to cut Knife (603) is not more than 130mm apart from ground distance, and cutter (603) puts the first edge on a knife or a pair of scissors processing.