CN209185051U - A kind of intake mechanism and backpack straw feedstuff harvester of crop-harvesting mechanism - Google Patents

Abstract

The utility model proposes a kind of intake mechanism of crop-harvesting mechanism and backpack straw feedstuff harvesters, the upper feeding roller moving tooth of intake mechanism is different from lower feeding roller moving tooth shape and structure, upper feeding roller moving tooth is equidistantly welded on feed roller shaft circumferencial direction, the gap of the corresponding upper feeding roller moving tooth of lower feeding roller moving tooth is equidistantly welded on lower feed roller shaft circumferencial direction, and upper feed roller shaft is located at the upper rear of lower feed roller shaft.Backpack straw feedstuff harvester include the ceding of Taiwan, power drive mechanism, cutting mechanism, intake mechanism, crushing rubber structure, conveying throw mechanism, speed-changing gear box, grass cutting collection box, grass cutting collection box bracket and ceding of Taiwan hitching frame etc..Advantage: intake mechanism can prevent the winding of stalk and weeds in operation process.Cropper can solve the problems such as low tractor utilization rate, large labor intensity, operating efficiency are low, feeding quality is poor, have the characteristics that smooth feeding, good crushing effect, operating efficiency height, reliable performance.

Description

A kind of intake mechanism and backpack straw feedstuff harvester of crop-harvesting mechanism

Technical field

The utility model relates to agricultural machinery technological fields, in particular to the fodder grass harvest machinery in agricultural machinery, tool It is a kind of backpack straw feedstuff harvester that body, which is said,.

Background technique

Stalk is one of principal by product of crops, is a kind of renewable resource of preciousness, while being also industrial or agricultural Important resources of production, China are a large agricultural countries, stalk resource very abundant, and the level of comprehensive utilization for improving stalk has become The new focus of Developing Agriculture Resources and environmental protection.With the development of China's economic society and constantly mentioning for living standards of the people Height, the common people are continuously increased the demand of ox, goat milk product and its meat products, thus greatly develop the penkeepings such as ox, sheep and The production of required forage crop is particularly important, and stalk realized that abdomen returning to the field was that a kind of comprehensive benefit is higher as feed stock keeping Utilization mode, both solved the problems, such as the feed of stock keeping, and promoted animal husbandry in agricultural area development, and realize the indirect returning to the field of stalk, Promote benign ecological cycles.The mechanized harvest of agricultural crop straw is the important component of Developing Animal cultivation, and stalk is raised Expect that cropper is very big in China's crops stalks growing area demand.At present there are mainly three types of the methods of harvesting and stalk feed: artificial to make Industry harvest, semi-mechanization operation harvest and do mechanization operation harvest.When manual work, labor intensity is very big and low efficiency, by In seeding corn and other crops, optimum harvest date only has more than ten days, is unable to complete without enough labours；Semi-mechanization operation is by manually receiving Threshing ground is transported to after cutting, then cutting and grinding are carried out by motor-driven hay cutter；Do mechanization operation is that straw feedstuff harvester is direct in field Harvesting shreds and throws feed to grass cutting collection box.

Existing stalk harvester mainly has self-propelled type straw forage harvester and tractor rear overhang to worry currently on the market Draw formula straw feedstuff harvester, self-propelled type straw cropper is expensive and cannot make full use of the existing tractor conduct of peasant household Power, purchase machine will aggravate peasant economy burden, and rear hanging and tracting type straw feedstuff harvester is in dynamic power machine by crop material Cutting recycling is carried out after overwhelming again, is easy for residual film, soil block, branch, weeds etc. to be mixed into straw feed, is unfavorable for stalk conduct Feed feeding livestock, and operating efficiency is low, feeding quality is poor, oneself is not able to satisfy the need for modernizing extensive harvesting and stalk feed It asks, is unfavorable for aquaculture development, also increases labor intensity and production cost to large aquaculture family.

The intake mechanism of straw feedstuff harvester generally uses for reference wheat/rice combined harvester at present, and there are in operation process The problems such as stalk and weeds wind feeding roller when feeding is uneven, feed quantity is big.

Utility model content

Technical problem to be solved in the utility model is, operation effect low for peasant household's tractor utilization rate in the prior art The problems such as rate is low, feeding quality is poor and provide one kind can using tractor dynamic power, forward mounting design, can once complete cutting, Feeding crushes a kind of straw feedstuff harvester for rubbing, convey, throwing the multiple working procedures such as vanning, while a kind of agriculture especially set out The intake mechanism of crop harvesting machine solves the problems, such as the winding of stalk and weeds in operation process.

The technical issues of to solve the utility model, adopts the following technical scheme that a kind of feeding machine of crop-harvesting mechanism Structure, including upper feed roller shaft, lower feed roller shaft, upper feeding roller moving tooth, lower feeding roller moving tooth, upper feeding roller moving tooth and lower feeding roller Moving tooth shape and structure is different, and upper feeding roller moving tooth is equidistantly welded on feed roller shaft circumferencial direction, on lower feeding roller moving tooth is corresponding The gap of feeding roller moving tooth is equidistantly welded on lower feed roller shaft circumferencial direction, and upper feed roller shaft, lower feed roller shaft are by power transmission Mechanism provides powered rotation, and upper feed roller shaft is located at the upper rear of lower feed roller shaft, and setting in this way can guarantee crop when operation The reliable feeding of stalk and uniform feeding.

Further, the upper feeding roller moving tooth is multi-corner star-shape, by the Member Welding of 3-5 " Λ " shapes in a circumference Upper formation, to guarantee to dial crop material continuous several times when upper feeding roller moving tooth (watches) rotation counterclockwise from right side of machine body It is dynamic, increase the uniformity and reliability of feeding, lower feeding roller moving tooth is shark fin-shaped, and each there are three arcs for lower feeding roller moving tooth Side, one of side are welded in lower feed roller shaft outer circle, and the intersection of another two side is in crescent, to guarantee to feed lower Enter when roll shaft (watches) rotation from right side of machine body clockwise and crop continuous several times are stirred and do not linked up with crop material, guarantees feeding Reliability and uniformity.Upper feeding roller moving tooth and lower feeding roller moving tooth use different structure, and one turn counterclockwise, one it is suitable Hour hands turn, and ensure that the fluency that crop material is dialled in, can prevent the winding of stalk and weeds in operation process.

Further, " Λ " shape Member Welding has stiffening plate, and stiffening plate is welded with upper feed roller shaft simultaneously, to increase " Λ " shape component and upper feed roller shaft firmness of the connection.

A kind of backpack straw feedstuff harvester, including the ceding of Taiwan, power drive mechanism, cutting mechanism, intake mechanism, crushing Kneading mechanism, conveying throw mechanism, speed-changing gear box, grass cutting collection box, and the ceding of Taiwan is articulated in tractor by ceding of Taiwan hitching frame forward mounting Front, power drive mechanism transmit power to tractor front, and the ceding of Taiwan has header frame, install cutting machine by header frame Structure, intake mechanism, crushing rubber structure, conveying throw mechanism, speed-changing gear box, and grass cutting collection box is by being mounted on tractor rear portion Grass cutting collection box bracket is fixed on tractor upper back, and the intake mechanism includes upper feed roller shaft, lower feed roller shaft, upper feeding roller group Tooth, lower feeding roller moving tooth, upper feeding roller moving tooth is different from lower feeding roller moving tooth shape and structure, and upper feeding roller moving tooth is equidistantly welded on The gap of upper feed roller shaft circumferencial direction, the corresponding upper feeding roller moving tooth of lower feeding roller moving tooth is equidistantly welded on lower feed roller shaft circumference Direction, upper feed roller shaft, lower feed roller shaft provide powered rotation by power drive mechanism, and upper feed roller shaft is located at lower feed roller shaft Upper rear.The upper feeding roller moving tooth and lower feeding roller moving tooth of circumferencial direction design can guarantee the reliable feeding of crop material, mention The high uniformity of feed quantity, upper feeding roller moving tooth and lower feeding roller moving tooth use different structure, can prevent straw in operation process The winding of stalk and weeds.

Further, it is fixed with a point straw on header frame, divides straw in the top of intake mechanism, it can in equipment operation Crop material in working width is pulled into allocating out without the crop in working width again, to guarantee in working width Stalk uniform amount.Divide straw integrally inclined upward, header frame is fixed in one end, the other end has turning, two pieces points of straws Respectively on the header frame on both sides, a cross bar is fixed in centre.

The cutting mechanism includes cutting cutter shaft, cutter, before cutting cutter shaft is mounted under header frame by bearing block Side, cutter are fixed on cutting cutter shaft by fastening screw, and cutter have multi-disc, and the adjacent cutter knife edge in left and right is concordant, Constitute three groups of cutter；Cutting cutter shaft is evenly distributed on cutter axis radial direction section, and cutter vertex line is in equilateral triangle Shape.Being evenly distributed cutting cutter shaft keeps cutter thrust load more uniform, chopping performance stabilization, small power consumption.Crop material is by cutter It is fed at once after cutting in crushing rubber structure and crushes rubbing, can avoid stalk in operation process and raised with stalk after ground face contact Residual film, soil block, branch, weeds etc. are mixed into material.

The power drive mechanism includes power output shaft coupling, support connecting frame, transmission shaft, power transmitting shaft coupling Device, power input shaft coupling, front gear box, rear transmission gear box, and support connecting frame is fixed on tractor chassis, and connecting plate is by preceding change Fast case and rear transmission gear box are fixed on tractor, and power is transmitted to the gear of the front ceding of Taiwan by transmission shaft from tractor rear portion In gearbox, solves the problems, such as the power transmission of forward mounting mode.

The crushing rubber structure includes that flail knife axis, spike-tooth stationary knife mounting plate, flail knife, spike-tooth stationary knife, arc-shaped curved surface are thrown Plate, left power driving belt set arc-shaped curved surface at flail knife axis rear and throw plate, and flail knife is installed on flail knife axis, the installation of spike-tooth stationary knife In spike-tooth stationary knife mounting plate, flail knife axis is loaded on header frame, and spike-tooth stationary knife mounting plate is fixed on the bottom plate of header frame；The institute It states conveying and throws mechanism and include delivery chute, conveying axis, helical blade, blower, throw cylinder, right power driving belt, helical blade It is welded on conveying axis outer surface with single conchoid trend, blower is provided in conveying axis one end, right power driving belt for conveying axis Rotatory force, delivery chute throw cylinder and are connected with fan outlet in the periphery of conveying axis；Flail knife is rubbed with spike-tooth stationary knife below Smashed feed is spun up by flail knife high speed and is fallen into delivery chute along cambered surface tangent trajectory direction, and straw feed is along helical-blade Piece is irreversibly delivered to the blower of conveying axis left end, is thrown straw feed into throwing cylinder by high-speed rotating fan blade, Stalk, which is spilled over, under high-speed wind power effect falls into grass cutting collection box.The helical blade of single conchoid trend can guarantee straw feed Quickly push and continuous pusher

The utility model has the beneficial effects that can solve that low tractor utilization rate, large labor intensity, operating efficiency be low, feed The problems such as of poor quality, has the characteristics that the smooth, good crushing effect of feeding, operating efficiency be high, reliable performance, be mainly used for corn, The blueness of the forage crops such as sorghum, yellow storage harvest, and the feed after harvest is the filamentary fibers of the Length discrepancies such as silk, section, end, soft suitable In, it is suitable as the feed of the ruminants such as ox, sheep.

The design is equidistantly welded and interlaced using upper feeding roller moving tooth and lower feeding roller moving tooth in circumferencial direction, thus The reliable feeding for guaranteeing crop material improves the uniformity of feed quantity, upper feeding roller moving tooth and lower feeding roller moving tooth using not Same structure can prevent the winding of stalk and weeds in operation process.Simultaneously power drive mechanism by transmission shaft by power from dragging Machine drawing rear portion is transmitted to the front ceding of Taiwan, solves the problems, such as the power transmission of forward mounting mode.

Detailed description of the invention

Fig. 1 is the utility model complete machine structure schematic diagram；

Fig. 2 is the utility model ceding of Taiwan structural schematic diagram；

Fig. 3 is the utility model cutting mechanism structural schematic diagram；

Fig. 4 is the utility model intake mechanism structural schematic diagram；

Fig. 5 is the utility model crushing rubber structure structural schematic diagram；

Fig. 6 is that the utility model conveying throws mechanism structural schematic diagram；

Fig. 7 is the utility model power drive mechanism structural schematic diagram；

Fig. 8 is the portion the A enlarged drawing of the utility model Fig. 4；

In figure: 1, the ceding of Taiwan, 2, throw cylinder, 3, transmission shaft, 4, ceding of Taiwan hitching frame, 5, tractor, 6, grass cutting collection box bracket, 7, collection Grass box, 8, divide straw, 8-1, cross bar, 9, blower, 10, cutter, 11, upper feed roller shaft, 12, conveying slot cover, 13, flail knife axis, 14, speed-changing gear box, 15, transmission gear, 16, header frame, 17, right power driving belt, 18, helical blade, 19, cutter Axis, 20, fastening screw, 21, bearing block, 22, driven sprocket, 23, lower feed roller shaft, 24, lower feeding roller moving tooth, 25, upper feeding Roller moving tooth, 25-1, stiffening plate, 26, drive sprocket, 27, left power driving belt, 28, arc-shaped curved surface throw plate, 29, spike-tooth it is fixed Knife mounting plate, 30, flail knife, 31, spike-tooth stationary knife, 32, fan blade, 33, delivery chute, 34, conveying axis, 35, power output shaft coupling Device, 36, front gear box, 37, power transmitting shaft coupling, 38, support connecting frame, 39, power input shaft coupling, 40, connecting plate, 41, rear transmission gear box.

Specific embodiment

A kind of intake mechanism of crop-harvesting mechanism, including upper feed roller shaft 11, lower feed roller shaft 23, upper feeding roller are dialled Tooth 25, lower feeding roller moving tooth 24, upper feeding roller moving tooth 25 is different from lower feeding roller 24 shape and structures of moving tooth, upper feeding roller moving tooth 25 It is equidistantly welded on 11 circumferencial direction of feed roller shaft, the gap of the corresponding upper feeding roller moving tooth 25 of lower feeding roller moving tooth 24 is equidistantly welded In lower 23 circumferencial direction of feed roller shaft, upper feed roller shaft 11, lower feed roller shaft 23 provide powered rotation by power drive mechanism, on Feed roller shaft 11 is located at the upper rear of lower feed roller shaft 23.Upper feeding roller moving tooth 25 is multi-corner star-shape, by the structure of 3-5 " Λ " shapes Part is welded on a circumference and is formed, and " Λ " shape Member Welding has a stiffening plate 25-1, stiffening plate 25-1 simultaneously with upper feed roller shaft Welding, with increase " Λ " shape component and upper feed roller shaft firmness of the connection, lower feeding roller moving tooth 24 is shark fin-shaped, is fed under each Enter roller moving tooth there are three arc-shaped side edges, one of side is welded in lower 23 outer circle of feed roller shaft, and the intersection of another two side is in Crescent (can enhance the grip to stalk).

A kind of backpack straw feedstuff harvester of the utility model, including the ceding of Taiwan, power drive mechanism, cutting mechanism, Intake mechanism, crushing rubber structure, conveying throw mechanism, speed-changing gear box, grass cutting collection box, grass cutting collection box bracket and ceding of Taiwan hitching frame Deng.The ceding of Taiwan includes header frame 16, straw 8, cutting mechanism, intake mechanism, crushing rubber structure, conveying is divided to throw mechanism, tooth Wheel-speed regulating change box 14, transmission gear 15, left power driving belt 27, right power driving belt 17, the ceding of Taiwan 1 pass through ceding of Taiwan hitching frame 4 Forward mounting is articulated in 5 front of tractor, and crop material is fed into crushing rubber structure immediately after being cut, and feeds at once after cutting Enter and crush rubbing again, can avoid in operation process stalk with residual film, soil block, branch, miscellaneous is mixed into after face contact in straw feed Grass etc.；Power drive mechanism include power output shaft coupling 35, support connecting frame 38, transmission shaft 3, power transmitting shaft coupling 37, Power inputs shaft coupling 39, front gear box 36, rear transmission gear box 41, and support connecting frame 38 is fixed on 5 chassis of tractor, connecting plate 40 are fixed on front gear box 36 and rear transmission gear box 41 on tractor 5, are transmitted power from 5 rear portion of tractor by transmission shaft 3 Into the speed-changing gear box 14 of the front ceding of Taiwan 1, solves the problems, such as the power transmission of forward mounting mode；Cutting mechanism includes cutter Axis 19, cutter 10, header frame 16, cutting cutter shaft 19 are mounted on 16 inferoanterior of header frame, cutter by bearing block 21 Axis 19 is equipped with three groups of cutter 10 by fastening screw 20 in three equilateral planes, more uniform in order to cut 19 load of cutter shaft, 10 blade of cutter is configured by linear type, chopping performance stabilization, small power consumption；Intake mechanism includes upper feed roller shaft 11, lower feeding Roll shaft 23, upper feeding roller moving tooth 25, lower feeding roller moving tooth 24, upper feeding roller moving tooth 25 are equidistantly welded on 11 circumference of feed roller shaft The gap in direction, the corresponding upper feeding roller moving tooth 25 of lower feeding roller moving tooth 24 is equidistantly welded on lower 23 circumferencial direction of feed roller shaft, circle The upper feeding roller moving tooth 25 and lower feeding roller moving tooth 24 of circumferential direction design can guarantee the reliable feeding of crop material, improve feeding The uniformity of amount, upper feeding roller moving tooth 25 and lower feeding roller moving tooth 24 use different structure, can prevent in operation process stalk with The winding of weeds；Crushing rubber structure includes flail knife axis 13, spike-tooth stationary knife mounting plate 29, flail knife 30, spike-tooth stationary knife 31, arc song Face throws plate 28, left power driving belt 27, mechanism is thrown in order to ensure the feed after crushing rubbing can smoothly enter into conveying, in powder 13 rear of flail knife axis of broken kneading mechanism is equipped with arc-shaped curved surface and throws plate 28, and flail knife 30 rubs powder with spike-tooth stationary knife 31 below Feed after broken is spun up at a high speed along the delivery chute 33 that cambered surface tangent trajectory direction falls into that conveying throws mechanism by flail knife 30； Conveying throws mechanism and includes delivery chute 33, conveying axis 34, helical blade 18, blower 9, throws cylinder 2, right power driving belt 17, Helical blade 18 is welded on 34 outer surface of conveying axis with single conchoid trend, it is ensured that quickly pushes straw feed and continuously pushes away Material, the straw feed that pulverized kneading mechanism is thrown are irreversibly delivered along helical blade 18 to the blower 9 of 34 left end of conveying axis, are led to It crosses high-speed rotating fan blade 32 to throw straw feed into cylinder 2 is thrown, stalk, which is spilled over, under high-speed wind power effect falls into In grass cutting collection box 7, completes straw feed and throw vanning；Grass cutting collection box 7 is solid by the grass cutting collection box bracket 6 for being mounted on 5 upper back of tractor It is fixed；In order to ensure power input, which is also equipped with speed-changing gear box 14 at 16 rear of header frame.

Working principle: when equipment operation, power reaches front by 5 rear portion of tractor through power drive mechanism, passes through gear After gearbox 14 commutates, right outputting axial power is thrown in mechanism by the incoming conveying of right power driving belt 17；Left outputting axial power Crushing rubber structure is passed to by left power driving belt 27, then is reached through drive sprocket 26, driven sprocket 22, transmission gear 15 Feed roller shaft 11, lower feed roller shaft 23 and cutting mechanism；Tractor 5 drives equipment to move forward, and divides straw 8 will be in working width Crop material pull into the cutter 10 of cutting mechanism are rotated clockwise cuts off crop material from root from bottom to top, front It is cut off stalk to push in the case where rear is cut off the promotion of stalk to intake mechanism, via the upper feed roller shaft 11 rotated counterclockwise On upper feeding roller moving tooth 25 and lower feeding roller moving tooth 24 clamping in the lower feed roller shaft 23 that rotates clockwise convey backward, and In feeding to crushing rubber structure；Flail knife 30 that stalk is driven in crushing rubber structure by high-speed rotating flail knife axis 13 with After spike-tooth stationary knife 31 crushes rubbing repeatedly, spun up at a high speed through flail knife 30 and cambered surface tangent trajectory side that arcuately curved surface throws plate 28 To fall into be crushed by the closed delivery chute 33 of conveying slot cover 12 rubbing at silk, section, end stalk conveying axis 34 promotion Under, it is admitted in blower 9 along 18 track of helical blade, finally under the impact of high-speed rotating fan blade 32 and centrifugal force effect It is dished out by throwing cylinder 2 and is fallen into grass cutting collection box 7, to complete the cutting of crop material, crush and rub, convey, throwing vanning Etc. harvests overall process.

Claims (9)

1. a kind of intake mechanism of crop-harvesting mechanism, it is characterized in that: including upper feed roller shaft (11), lower feed roller shaft (23), upper feeding roller moving tooth (25), lower feeding roller moving tooth (24), upper feeding roller moving tooth (25) and lower feeding roller moving tooth (24) shape Structure is different, and upper feeding roller moving tooth (25) is equidistantly welded on feed roller shaft (11) circumferencial direction, and lower feeding roller moving tooth (24) is right The gap that feeding roller moving tooth (25) should be gone up equidistantly is welded on lower feed roller shaft (23) circumferencial direction, and upper feed roller shaft (11) is fed down Enter roll shaft (23) and provide powered rotation by power drive mechanism, upper feed roller shaft (11) be located at lower feed roller shaft (23) it is upper after Side.

2. the intake mechanism of crop-harvesting mechanism according to claim 1, it is characterized in that: the upper feeding roller moving tooth (25) it is multi-corner star-shape, is formed on a circumference by the Member Welding of 3-5 " Λ " shapes, lower feeding roller moving tooth (24) is shark Fin-shaped, each lower feeding roller moving tooth is there are three arc-shaped side edges, and one of side is welded in lower feed roller shaft (23) outer circle, separately Two side intersections are in crescent.

3. the intake mechanism of crop-harvesting mechanism according to claim 2 adds it is characterized in that: " Λ " shape Member Welding has Strong plate (25-1), stiffening plate (25-1) are welded with upper feed roller shaft (11) simultaneously.

4. a kind of backpack straw feedstuff harvester, including the ceding of Taiwan, power drive mechanism, cutting mechanism, intake mechanism, crushing are rubbed Rub mechanism with the hands, conveying throws mechanism, speed-changing gear box, grass cutting collection box, it is characterised in that: the ceding of Taiwan (1) passes through ceding of Taiwan hitching frame (4) front overhang Extension is articulated in tractor (5) front, and power drive mechanism transmits power to tractor (5) front, and the ceding of Taiwan has header frame (16), mechanism, gear shift are thrown by header frame (16) installation cutting mechanism, intake mechanism, crushing rubber structure, conveying Case, grass cutting collection box (7) is fixed on tractor (5) upper back by being mounted on the grass cutting collection box bracket (6) at tractor (5) rear portion, described Intake mechanism includes upper feed roller shaft (11), lower feed roller shaft (23), upper feeding roller moving tooth (25), lower feeding roller moving tooth (24), Upper feeding roller moving tooth (25) is different from lower feeding roller moving tooth (24) shape and structure, and upper feeding roller moving tooth (25), which is equidistantly welded on, feeds Enter roll shaft (11) circumferencial direction, the gap of feeding roller moving tooth (25) is equidistantly welded on lower feeding in lower feeding roller moving tooth (24) correspondence Roll shaft (23) circumferencial direction, upper feed roller shaft (11), lower feed roller shaft (23) provide powered rotation by power drive mechanism, upper to feed Enter the upper rear that roll shaft (11) are located at lower feed roller shaft (23).

5. a kind of backpack straw feedstuff harvester as claimed in claim 4, it is characterised in that: the upper feeding roller moving tooth (25) it is multi-corner star-shape, is formed on a circumference by the Member Welding of 3-5 " Λ " shapes, lower feeding roller moving tooth (24) is shark Fin-shaped, each lower feeding roller moving tooth is there are three arc-shaped side edges, and one of side is welded in lower feed roller shaft (23) outer circle, separately Two side intersections are in crescent.

6. a kind of backpack straw feedstuff harvester as claimed in claim 4, it is characterised in that: fixed on header frame (16) There are a point straw (8), divides straw (8) in the top of intake mechanism, divide straw (8) whole inclined upward, the ceding of Taiwan is fixed in one end Rack (16), the other end have turning, and for two pieces points of straws (8) respectively on the header frame (16) on both sides, a cross is fixed in centre Bar (8-1).

7. a kind of backpack straw feedstuff harvester as claimed in claim 4, it is characterised in that: the cutting mechanism includes cutting Cutter axis (19), cutter (10), cutting cutter shaft (19) are mounted on header frame (16) inferoanterior by bearing block (21), cut Knife (10) is fixed in cutting cutter shaft (19) by fastening screw (20), and cutter (10) have multi-disc, the adjacent cutter in left and right (10) knife edge is concordant, constitutes three groups of cutter (10)；Cutting cutter shaft (19) is evenly distributed on the radial section of cutting cutter shaft (19), Cutter (10) vertex line is in equilateral triangle.

8. a kind of backpack straw feedstuff harvester as claimed in claim 4, it is characterised in that: the power drive mechanism Including power output shaft coupling (35), support connecting frame (38), transmission shaft (3), power transmitting shaft coupling (37), power input connection Axis device (39), front gear box (36), rear transmission gear box (41), support connecting frame (38) are fixed on tractor (5) chassis, connecting plate (40) front gear box (36) and rear transmission gear box (41) are fixed on tractor (5), by transmission shaft (3) by power from tractor (5) rear portion is transmitted in the speed-changing gear box (14) of the front ceding of Taiwan (1).

9. a kind of backpack straw feedstuff harvester as claimed in claim 4, it is characterised in that: the crushing rubber structure packet It includes flail knife axis (13), spike-tooth stationary knife mounting plate (29), flail knife (30), spike-tooth stationary knife (31), arc-shaped curved surface and throws plate (28), left dynamic Power driving belt (27) sets arc-shaped curved surface at flail knife axis (13) rear and throws plate (28), and flail knife (30) is installed on flail knife axis (13), Spike-tooth stationary knife (31) is installed on spike-tooth stationary knife mounting plate (29), and flail knife axis (13) is loaded on header frame (16), the installation of spike-tooth stationary knife Plate (29) is fixed on the bottom plate of header frame (16)；It is described conveying throw mechanism include delivery chute (33), conveying axis (34), Helical blade (18), blower (9) throw cylinder (2), right power driving belt (17), and helical blade (18) is moved towards with single conchoid It is welded on conveying axis (34) outer surface, for blower (9) in conveying axis (34) one end, right power driving belt (17) is conveying axis (34) Rotatory force is provided, delivery chute (33) throws cylinder (2) and be connected with blower (9) outlet in the periphery of conveying axis (34)；Flail knife (30) Smashed feed is rubbed with spike-tooth stationary knife (31) below, is spun up by flail knife (30) high speed along cambered surface tangent trajectory direction It falls into delivery chute (33), straw feed is irreversibly delivered along helical blade (18) to the blower (9) of conveying axis (34) left end, is led to It crosses high-speed rotating fan blade (32) to throw straw feed into cylinder (2) are thrown, stalk is spilled under high-speed wind power effect It falls into grass cutting collection box (7).