CN102405725B

CN102405725B - Harvesting knife and harvesting machine with same

Info

Publication number: CN102405725B
Application number: CN 201110216699
Authority: CN
Inventors: 李小波
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-30
Filing date: 2011-07-30
Publication date: 2013-07-10
Anticipated expiration: 2031-07-30
Also published as: CN102405725A

Abstract

The invention discloses a harvesting knife and a harvesting machine with the same. Through the harvesting knife and the harvesting machine, farmers can easily harvest the rice under the conditions that the geographic environment is severe and large, medium and small harvesting machines cannot be used. The harvesting knife consists of a driving device, a rectangular strip harvesting arm and a rectangular strip cutting knife; the rectangular strip cutting knife consists of a fixed knife and a movable knife which are superposed; a serrated knife is arranged at one side of the long edges of the fixed knife and the movable knife; and the driving device is connected with one end of the movable knife and drives the movable knife to reciprocate close to the fixed knife in the direction of the long edge. Compared with the prior art, the harvesting knife has the advantages that: the harvesting knife consists of the driving device, the strip harvesting arm and the strip cutting knife, and the driving device drives the movable knife to reciprocate close to the fixed knife in the direction of the long edge, so the harvesting knife has a simple structure; and a wheeled hand-pushed harvesting machine, a wheeled hand-pushed straw cutting machine, a wheeled hand-pushed harvesting and threshing integrated machine and a back walking harvesting machine which are provided with the harvesting knife are small, light, convenient to use and low in cost.

Description

Cropping knife and have the grain header of cropping knife

Technical field

The present invention relates to a kind of agricultural harvesting tool, particularly the electronic harvesting tool of a kind of small farm.

Background technology

Realization along with China's agricultural modernization, most areas are when paddy is ripe, generally use large-scale combine, substantially realized harvesting, threshing, transportation, put in storage integrated, but in some knobs, nowadays still with traditional method harvesting paddy rice and wheat, even if can use small harvester in some paddy field, south, but the water in the rice field is too many whenever, when too dark, such small harvester also has no usage because using, and often the between twenty and fifty great majority in these areas all join in the troop of construction of modern urban, thereby for these regional empty nestors, and the time in busy farming season will be that they are the most hard to bear in 1 year, in the time of the most arduous.

Summary of the invention

The purpose of this invention is to provide a kind of cropping knife and have the grain header of cropping knife, the technical problem that solves is in the farming time receiving, because of abominable former of geographical environment thereby can not use under the situation of large, medium and small type grain header, paddy still can gather in easily in peasant household.

The technical solution used in the present invention is:

Cropping knife of the present invention is by drive unit, the harvesting arm and the rectangular cutter of rectangle that are shaped as the rectangle strip are formed, described drive unit is installed in an end of described harvesting arm, the rectangular cutter of described rectangle is made up of equitant stationary knife and moving knife, the apparent surface of stationary knife and moving knife is sliding-contact, side along stationary knife and the long limit of moving knife is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter, stationary knife is fixed on the other end of the upper surface of harvesting arm, drive unit links to each other with an end of moving knife, and it is reciprocating along long side direction that the driving moving knife is close to stationary knife.

Described stationary knife saw cutter, stationary knife sawtooth and the moving knife sawtooth horizontal cross sectional geometry of moving knife saw cutter are tall and big isosceles triangle in the base, wherein, the above tall and big in the above high 1.5 times of described moving knife sawtooth of described stationary knife sawtooth, the drift angle of the described isosceles triangle of moving knife sawtooth falls to be the obtuse angle, stationary knife sawtooth and moving knife sawtooth are right-angled trapezium perpendicular to the cross sectional shape of described serrated knife long side direction, the teeth groove of stationary knife saw cutter and moving knife saw cutter is the circular arc that can hold 2-3 root paddy bar footpath, the stationary knife tooth pitch equals 1.5 times of moving knife tooth pitch, the length of stationary knife saw cutter is greater than the length of moving knife saw cutter, its difference is greater than three moving knife tooth pitches, described stationary knife, the moving knife material therefor is steel alloy, the instrument steel or stainless steel.

Have the stationary knife positioning through hole at described stationary knife, itself and moving knife interior surface opposing upper edge long side direction offer the stationary knife groove that is shaped as rectangle, the position corresponding with the stationary knife positioning through hole offers the moving knife location groove that is shaped as rectangle along long side direction on described moving knife, its length is greater than three moving knife tooth pitches of described moving knife saw cutter, be provided with the moving knife raised line that is shaped as rectangle with the corresponding position of described stationary knife groove on the moving knife with on the stationary knife interior surface opposing, the length of described moving knife raised line is less than the length of stationary knife groove, its difference is sawed three moving knife tooth pitches of cutter at least greater than moving knife, its height is less than the degree of depth of stationary knife groove, its width equals the width of stationary knife groove, be sliding-contact between itself and the stationary knife groove.

The width of described moving knife is less than the width of stationary knife, long side direction is provided with the moving knife groove that is shaped as rectangle in the outer surface upper edge of moving knife, on stationary knife and moving knife, also be provided with the blade tensioning apparatus, described tensioning apparatus is by fixing steel plate, spring leaf, screw rod, nut, form, wherein, fixing steel plate divides fixed head and movable platen, its shape is rectangular slab, hinges therebetween, hinge axis is along the long side direction setting of stationary knife, fixed head is fixed on another relative with described serrated knife on stationary knife long side, the position corresponding with described stationary knife positioning through hole offers moving plate positioning through hole on described movable platen, its with moving knife outer surface opposing lower surface on to be provided with the rectangular long side direction cross sectional shape along moving knife with the corresponding position of described moving knife groove be rectangle and the semicircle moving plate raised line of forming, its length is less than the length of moving knife groove, its difference is sawed three moving knife tooth pitches of cutter at least greater than moving knife, its height and width equate with the degree of depth and the width of moving knife groove respectively, be sliding-contact between itself and the moving knife groove, described screw rod passes the stationary knife positioning through hole, moving knife location groove, moving plate positioning through hole is connected with described nut with through hole on the described spring leaf.

Described stationary knife positioning through hole, moving knife location groove are three, and described blade tensioning apparatus is three groups, and described stationary knife groove, moving knife raised line, moving knife groove and moving plate raised line are two.

On described harvesting arm with an exist together end and be positioned at another long side relative with described serrated knife and spike of rice is installed stores up bag of described stationary knife, be respectively equipped with the entrance and exit of spike of rice thereon, entrance shape is annular or square, along the length of stationary knife long side direction opening size greater than serrated knife; The position of the other end 1/3 brachium on the described harvesting arm of distance is provided with the handle of operating the rudder, the described handle of operating the rudder divides left hand handle, right handgrip, its shape, measure-alike and be crooked pipe, the one end is that operator's right-hand man grips, the other end is connected and is fixed on the harvesting arm, described left hand, right handgrip apart from the vertical height of the upper surface of harvesting arm at 15-25 centimetre, the position at center of gravity place is provided with the annular braces of an adjustable length on the harvesting arm.

A kind of grain header that has cropping knife of the present invention, comprise vehicle frame, wheel, near the position of spike of rice height with near the position of rice pole-footing portion two cropping knifes one on the other are installed in the front portion of vehicle frame, described cropping knife is by drive unit, the harvesting arm and the rectangular cutter of rectangle that are shaped as the rectangle strip are formed, described drive unit is installed in an end of described harvesting arm, the rectangular cutter of described rectangle is made up of equitant stationary knife and moving knife, the apparent surface of stationary knife and moving knife is sliding-contact, side along stationary knife and the long limit of moving knife is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter, stationary knife is fixed on the other end of the upper surface of harvesting arm, drive unit links to each other with an end of moving knife, it is reciprocating along long side direction that the driving moving knife is close to stationary knife, it is dull and stereotyped also to be provided with a guiding after the cropping knife of vehicle frame bottom, and the dull and stereotyped anterior side of vehicle frame that is arranged on of guiding is between the opposite side at vehicle frame rear portion.

A kind of grain header that has cropping knife of the present invention, comprise vehicle frame, wheel, front portion on vehicle frame is equipped with a cropping knife near the position of rice pole-footing portion, described cropping knife is by drive unit, the harvesting arm and the rectangular cutter of rectangle that are shaped as the rectangle strip are formed, described drive unit is installed in an end of described harvesting arm, the rectangular cutter of described rectangle is made up of equitant stationary knife and moving knife, the apparent surface of stationary knife and moving knife is sliding-contact, side along stationary knife and the long limit of moving knife is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter, stationary knife is fixed on the other end of the upper surface of harvesting arm, drive unit links to each other with an end of moving knife, it is reciprocating along long side direction that the driving moving knife is close to stationary knife, it is dull and stereotyped to be provided with a guiding after described cropping knife, and the dull and stereotyped anterior side of vehicle frame that is arranged on of guiding is between the opposite side at vehicle frame rear portion.

A kind of grain header that has cropping knife of the present invention, comprise vehicle frame, wheel and threshing cylinder, threshing cylinder places the front portion of vehicle frame near the position of spike of rice height, front end at vehicle frame is horizontally disposed with two cropping knifes one on the other, the bottom of a front end that is arranged on described vehicle frame is near the position of rice pole-footing portion, another one is arranged on the middle part of described vehicle frame and is positioned at the below of described threshing cylinder near the position of spike of rice root, described cropping knife is by drive unit, the harvesting arm and the rectangular cutter of rectangle that are shaped as the rectangle strip are formed, described drive unit is installed in an end of described harvesting arm, the rectangular cutter of described rectangle is made up of equitant stationary knife and moving knife, the apparent surface of stationary knife and moving knife is sliding-contact, side along stationary knife and the long limit of moving knife is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter, stationary knife is fixed on the other end of the upper surface of harvesting arm, drive unit links to each other with an end of moving knife, it is reciprocating along long side direction that the driving moving knife is close to stationary knife, it is dull and stereotyped to be provided with a guiding after the cropping knife of bottom, and the dull and stereotyped anterior side of vehicle frame that is arranged on of guiding is between the opposite side at vehicle frame rear portion.

A kind of grain header that has cropping knife of the present invention, comprise a hollow metal pipe, in the hollow metal pipe, be provided with a rotating shaft coaxial with it, one end of rotating shaft is connected with a horizontally disposed cropping knife, its other end links to each other with power set, described power set are passed to cropping knife by rotating shaft with power, described cropping knife is by drive unit, the harvesting arm and the rectangular cutter of rectangle that are shaped as the rectangle strip are formed, described drive unit is installed in an end of described harvesting arm, the rectangular cutter of described rectangle is made up of equitant stationary knife and moving knife, the apparent surface of stationary knife and moving knife is sliding-contact, side along stationary knife and the long limit of moving knife is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter, stationary knife is fixed on the other end of the upper surface of harvesting arm, drive unit links to each other with an end of moving knife, and it is reciprocating along long side direction that the driving moving knife is close to stationary knife, and the angle between described rotating shaft and the cropping knife is the 120-150 degree.

The present invention compared with prior art, cropping knife is made up of harvesting arm and the rectangular cutter of drive unit, strip, it is reciprocating along long side direction that drive unit driving moving knife is close to stationary knife, simple in structure, the grain header that has this cropping knife, volume little in light weight, easy to use, cost is low, still can finish the harvesting task of paddy smoothly as small harvester under abominable geographical environment.

Description of drawings

Fig. 1 is schematic perspective view of the present invention.

Fig. 2 is that cropping knife stationary knife of the present invention separates schematic diagram with moving knife.

Fig. 3 is that cropping knife stationary knife of the present invention and moving knife part is in conjunction with schematic diagram.

Fig. 4 is that cropping knife stationary knife of the present invention and moving knife are fully in conjunction with schematic diagram.

Fig. 5 is the A-A view of Fig. 4.

Fig. 6 is the structural representation () that has the grain header of cropping knife.

Fig. 7 is the structural representation (two) that has the grain header of cropping knife.

Fig. 8 is the structural representation (three) that has the grain header of cropping knife.

Fig. 9 is the structural representation (four) that has the grain header of cropping knife.

Embodiment

The invention will be further described below in conjunction with drawings and Examples:

As Fig. 1, shown in 2, cropping knife of the present invention, by drive unit 8, the harvesting arm 7 and the rectangular cutter 6 of rectangle that are shaped as the rectangle strip are formed, described drive unit 8 is installed in an end of described harvesting arm 7, the rectangular cutter 6 of described rectangle is made up of equitant stationary knife 1 and moving knife 2, the apparent surface of stationary knife 1 and moving knife 2 is sliding-contact, side along stationary knife 1 and moving knife 2 long limits is provided with the serrated knife 3 that zigzag fashion is respectively stationary knife saw cutter 31 and moving knife saw cutter 32, stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, drive unit 8 links to each other with an end of moving knife 2, it is reciprocating along long side direction that driving moving knife 2 is close to stationary knife 1, and described serrated knife 3 parts are stretched out the side of described harvesting arm 7.

Described stationary knife saw cutter 31, stationary knife sawtooth 312 and moving knife sawtooth 322 horizontal cross sectional geometry of moving knife saw cutter 32 are tall and big isosceles triangle in the base, wherein, the above tall and big in the above high 1.5 times of described moving knife sawtooth 322 of described stationary knife sawtooth 312, the drift angle of moving knife sawtooth 322 described isosceles triangles falls to be obtuse angle (consulting Fig. 3), stationary knife sawtooth 312 and moving knife sawtooth 322 are right-angled trapezium perpendicular to the cross sectional shape of described serrated knife 3 long side directions, the teeth groove of stationary knife saw cutter 31 and moving knife saw cutter 32 is the circular arc that can hold 2-3 root paddy bar footpath, stationary knife tooth pitch 311 equals 1.5 times of moving knife tooth pitch 321, the length of stationary knife saw cutter 31 is greater than the length of moving knife saw cutter 32, its difference is greater than three moving knife tooth pitches 321, described stationary knife 1, moving knife 2 material therefors are steel alloy, the instrument steel or stainless steel.

Described stationary knife 1 width is at 5-6 centimetre, and the thickness of itself and moving knife 2 is all at 0.3-0.4 centimetre, and stationary knife saw cutter 31 length are at 90-120 centimetre, and moving knife saw cutter 32 length are than little three the moving knife tooth pitches 321 of stationary knife saw cutter 31 length.

As shown in Figure 2, have stationary knife positioning through hole 11 at described stationary knife 1, itself and moving knife 2 interior surface opposing upper edge long side directions offer the stationary knife groove 12 that is shaped as rectangle, the position corresponding with stationary knife positioning through hole 11 offers the moving knife location groove 21 that is shaped as rectangle along long side direction on described moving knife 2, its length is greater than three moving knife tooth pitches 321 of described moving knife saw cutter 32, be provided with the moving knife raised line 22 that is shaped as rectangle with the corresponding position of described stationary knife groove 12 on the moving knife 2 with on stationary knife 1 interior surface opposing, the length of described moving knife raised line 22 is less than the length of stationary knife groove 12, its difference is sawed three moving knife tooth pitches 321 of cutter 32 at least greater than moving knife, its height is less than the degree of depth of stationary knife groove 12, its width equals the width of stationary knife groove 12, be sliding-contact between itself and the stationary knife groove 12.

The width of described moving knife 2 is less than the width of stationary knife 1, as shown in Figure 3, long side direction is provided with the moving knife groove 23 that is shaped as rectangle in the outer surface upper edge of moving knife 2, on stationary knife 1 and moving knife 2, also be provided with blade tensioning apparatus 4 and (consult Fig. 3,4), as Fig. 2,3, shown in 4, described tensioning apparatus 4 is by fixing steel plate 41, spring leaf 42, screw rod 43, nut 44, form, wherein, 41 fens fixed heads 411 of fixing steel plate and movable platen 412, its shape is rectangular slab, hinges therebetween, hinge axis is along the long side direction setting of stationary knife 1, fixed head 411 is fixed on the stationary knife 1 another long side relative with described serrated knife 3, position corresponding with described stationary knife positioning through hole 11 on described movable platen 412 offers moving plate positioning through hole 4121, its with moving knife 2 outer surface opposing lower surface on to be provided with the rectangular long side direction cross sectional shape along moving knife 2 with the corresponding position of described moving knife groove 23 be rectangle and the semicircle moving plate raised line of forming 4122, its length is less than the length of moving knife groove 23, its difference is sawed three moving knife tooth pitches 321 of cutter 32 at least greater than moving knife, its height and width equate with the degree of depth and the width of moving knife groove 23 respectively, be sliding-contact between itself and the moving knife groove 23, described screw rod 43 passes stationary knife positioning through hole 11, moving knife location groove 21, moving plate positioning through hole 4121 is connected with described nut 44 with through hole on the described spring leaf 42.

Be three as Fig. 2,3,4 described stationary knife positioning through hole 11, moving knife location groove 21, described blade tensioning apparatus 4 is three groups, and described stationary knife groove 12, moving knife raised line 22, moving knife groove 23 and moving plate raised line 4122 are two.

As shown in Figure 1, on described harvesting arm 7 with an exist together end and be positioned at another long side relative with described serrated knife 3 and spike of rice is installed stores up bag 5 of described stationary knife 1, be respectively equipped with the entrance and exit of spike of rice thereon, entrance shape is annular or square, along the length of stationary knife 1 long side direction opening size greater than serrated knife 3, the bottom that described spike of rice is stored up bag 5 is provided with outlet.

As shown in Figure 1, the position of 7 the other end 1/3 brachium is provided with the handle 9 of operating the rudder on the described harvesting arm of distance, the described 9 fens left hands of handle of operating the rudder are, right handgrip, its shape, measure-alike and be crooked pipe, the one end is that operator's right-hand man grips, the other end is connected and is fixed on the harvesting arm 7, described left hand, right handgrip apart from the vertical height of the upper surface of harvesting arm 7 at 15-25 centimetre, the position at center of gravity place is provided with the annular braces 10 of adjustable length on harvesting arm 7.

Described harvesting arm 7 can be made of plank or light aluminum alloy material, and the described handle 9 of operating the rudder can be made of light aluminum alloy or plastic material.

When described cropping knife is worked, described stationary knife 1, moving knife 2, fixing steel plate 41 overlaps and passes described stationary knife positioning through hole 11 by described screw rod 43, moving knife location groove 21, through hole on moving plate positioning through hole 4121 and the spring leaf 42 and described nut 44 screw (consults Fig. 4,5), at this moment, described moving knife raised line 22 fall into corresponding stationary knife groove 12 and with its smooth contact, described moving plate raised line 4122 fall into corresponding moving knife groove 23 and with its smooth contact, because the fixed head 411 on the fixing steel plate 41 is fixedlyed connected with stationary knife 1, do not produce displacement with the described movable platen 412 of described fixed head 411 hinges with stationary knife 1 relative fixed, thereby make moving knife 2 only can move back and forth in the generation of stationary knife 1 long side direction.

The used drive unit of cropping knife of the present invention uses engine fuel or charging generator, engine is connected with described moving knife 2 by members such as gear, eccentric wheel, connecting rods, under the effect of this drive unit, it is reciprocating at its long side direction of stationary knife 1 upper edge to finish moving knife 2, and the movement travel of moving knife 2 is the length of three moving knife tooth pitches 321.

During harvesting, annular braces 10 covers are fastened piggyback, hold height, the angle of the described rectangular cutter 6 of handle 9 controls of operating the rudder, unidirectional the waving of a side that is had serrated knife 3 by a side direction that does not have described serrated knife 3 on the rectangular cutter 6 cut, just can very easily paddy fringe head be cut off and make it to fall into described spike of rice stores up in the bag 5, during harvesting, spike of rice is stored up the available slide fastener of following outlet or the rope band of bag 5 and is pricked system.

As shown in Figure 6, the grain header that has cropping knife of the present invention, comprise vehicle frame 102, wheel, near the position of spike of rice height with near the position of rice pole-footing portion two cropping knifes 100 one on the other are installed in the front portion of vehicle frame 102, this cropping knife 100 is by drive unit 8, the harvesting arm 7 and the rectangular cutter 6 of rectangle that are shaped as the rectangle strip are formed, described drive unit 8 is installed in an end of described harvesting arm 7, the rectangular cutter 6 of described rectangle is made up of equitant stationary knife 1 and moving knife 2, the apparent surface of stationary knife 1 and moving knife 2 is sliding-contact, side along stationary knife 1 and moving knife 2 long limits is provided with the serrated knife 3 that zigzag fashion is respectively stationary knife saw cutter 31 and moving knife saw cutter 32, stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, drive unit 8 links to each other with an end of moving knife 2, it is reciprocating along long side direction that driving moving knife 2 is close to stationary knife 1, after the cropping knife 100 of vehicle frame 102 bottoms, also be provided with a guiding dull and stereotyped 101, guiding dull and stereotyped 101 is arranged on vehicle frame 102 anterior sides between the opposite side at vehicle frame 102 rear portions, its objective is the rice bar that guiding is cut off by cropping knife 100, side to wheeled hand push grain header is spread the ground that falls, and constitutes wheeled hand push grain header.

As shown in Figure 7, the grain header that has cropping knife of the present invention, comprise vehicle frame 102, wheel, front portion on vehicle frame 102 is equipped with a cropping knife 100 near the position of rice pole-footing portion, this cropping knife 100 is by drive unit 8, the harvesting arm 7 and the rectangular cutter 6 of rectangle that are shaped as the rectangle strip are formed, described drive unit 8 is installed in an end of described harvesting arm 7, the rectangular cutter 6 of described rectangle is made up of equitant stationary knife 1 and moving knife 2, the apparent surface of stationary knife 1 and moving knife 2 is sliding-contact, side along stationary knife 1 and moving knife 2 long limits is provided with the serrated knife 3 that zigzag fashion is respectively stationary knife saw cutter 31 and moving knife saw cutter 32, stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, drive unit 8 links to each other with an end of moving knife 2, it is reciprocating along long side direction that driving moving knife 2 is close to stationary knife 1, after described cropping knife 100, be provided with a guiding dull and stereotyped 101, guiding dull and stereotyped 101 is arranged on vehicle frame 102 anterior sides between the opposite side at vehicle frame 102 rear portions, its objective is the rice bar that guiding is cut off by cropping knife 100, spread to a side of wheeled hand push cropper and fall ground.This wheeled hand push cropper both can be used for cutting the paddy bar merely, can take on the task of harvesting again, namely earlier paddy was cut off, and it was transported to immovable large-scale thresher place again and concentrated threshing, constituted wheeled hand push cropper.

As shown in Figure 8, the grain header that has cropping knife of the present invention, comprise vehicle frame 102, wheel and threshing cylinder 103, threshing cylinder 103 places the front portion of vehicle frame 102 near the position of spike of rice height, front end at vehicle frame 102 is horizontally disposed with two cropping knifes 100 one on the other, the bottom of a front end that is arranged on described vehicle frame 102 is near the position of rice pole-footing portion, another one is arranged on the middle part of described vehicle frame 102 and is positioned at the below of described threshing cylinder 103 near the position of spike of rice root, described cropping knife 100 is by drive unit 8, the harvesting arm 7 and the rectangular cutter 6 of rectangle that are shaped as the rectangle strip are formed, described drive unit 8 is installed in an end of described harvesting arm 7, the rectangular cutter 6 of described rectangle is made up of equitant stationary knife 1 and moving knife 2, the apparent surface of stationary knife 1 and moving knife 2 is sliding-contact, side along stationary knife 1 and moving knife 2 long limits is provided with the serrated knife 3 that zigzag fashion is respectively stationary knife saw cutter 31 and moving knife saw cutter 32, stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, drive unit 8 links to each other with an end of moving knife 2, it is reciprocating along long side direction that driving moving knife 2 is close to stationary knife 1, after the cropping knife 100 of bottom, be provided with a guiding dull and stereotyped 101, guiding dull and stereotyped 101 is arranged on vehicle frame 102 anterior sides between the opposite side at vehicle frame 102 rear portions, its objective is rice bar that guiding cut off by cropping knife 100 ground that falls to the side shop of wheeled hand push harvesting threshing all-in-one, this wheeled hand push harvesting threshing all-in-one can be finished harvesting (as the harvesting spike of rice) simultaneously, threshing and the task of cutting bar constitute wheeled hand push harvesting threshing all-in-one.

As shown in Figure 9, the grain header that has cropping knife of the present invention, comprise a hollow metal pipe 104, in the hollow metal pipe 104, be provided with a rotating shaft coaxial with it 105, one end of rotating shaft 105 is connected with a horizontally disposed cropping knife 100, its other end links to each other with power set 106, described power set 106 are passed to cropping knife 100 by rotating shaft 105 with power, side at cropping knife 100, be provided with the handrail of control direction when being convenient to the operator and using 107, also be provided with the sling swivels 108 of adjustable-length in the centre position of hollow metal tube 104, described cropping knife 100 is by drive unit 8, the harvesting arm 7 and the rectangular cutter 6 of rectangle that are shaped as the rectangle strip are formed, described drive unit 8 is installed in an end of described harvesting arm 7, the rectangular cutter 6 of described rectangle is made up of equitant stationary knife 1 and moving knife 2, the apparent surface of stationary knife 1 and moving knife 2 is sliding-contact, side along stationary knife 1 and moving knife 2 long limits is provided with the serrated knife 3 that zigzag fashion is respectively stationary knife saw cutter 31 and moving knife saw cutter 32, stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, drive unit 8 links to each other with an end of moving knife 2, it is reciprocating along long side direction that driving moving knife 2 is close to stationary knife 1, angle between described rotating shaft 105 and the cropping knife 100 is the 120-150 degree, constitutes the hand steered grain header of back of the body formula.

Claims

1. cropping knife, it is characterized in that: described cropping knife is by drive unit (8), the harvesting arm (7) and the rectangular cutter of rectangle (6) that are shaped as the rectangle strip are formed, described drive unit (8) is installed in an end of described harvesting arm (7), the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), the apparent surface of stationary knife (1) and moving knife (2) is sliding-contact, side along stationary knife (1) and the long limit of moving knife (2) is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32), stationary knife (1) is fixed on the other end of the upper surface of harvesting arm (7), drive unit (8) links to each other with an end of moving knife (2), and it is reciprocating along long side direction that driving moving knife (2) is close to stationary knife (1); Have stationary knife positioning through hole (11) at described stationary knife (1), itself and moving knife (2) interior surface opposing upper edge long side direction offer the stationary knife groove (12) that is shaped as rectangle, the position corresponding with stationary knife positioning through hole (11) offers the moving knife location groove (21) that is shaped as rectangle along long side direction on described moving knife (2), its length is greater than three moving knife tooth pitches (321) of described moving knife saw cutter (32), moving knife (2) go up with stationary knife (1) interior surface opposing on be provided with the moving knife raised line (22) that is shaped as rectangle with the corresponding position of described stationary knife groove (12), the length of described moving knife raised line (22) is less than the length of stationary knife groove (12), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height is less than the degree of depth of stationary knife groove (12), its width equals the width of stationary knife groove (12), is sliding-contact between itself and the stationary knife groove (12); The width of described moving knife (2) is less than the width of stationary knife (1), be provided with the moving knife groove (23) that is shaped as rectangle at the outer surface upper edge of moving knife (2) long side direction, on stationary knife (1) and moving knife (2), also be provided with blade tensioning apparatus (4), described tensioning apparatus (4) is by fixing steel plate (41), spring leaf (42), screw rod (43) and nut (44) are formed, wherein, fixing steel plate (41) divides fixed head (411) and movable platen (412), its shape is rectangular slab, hinges therebetween, hinge axis is along the long side direction setting of stationary knife (1), fixed head (411) is fixed on stationary knife (1) and goes up another long side relative with described serrated knife (3), go up the position corresponding with described stationary knife positioning through hole (11) at described movable platen (412) and offer moving plate positioning through hole (4121), its with moving knife (2) outer surface opposing lower surface on to be provided with the rectangular long side direction cross sectional shape along moving knife (2) with the corresponding position of described moving knife groove (23) be rectangle and the semicircle moving plate raised line of forming (4122), its length is less than the length of moving knife groove (23), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height and width equate with the degree of depth and the width of moving knife groove (23) respectively, be sliding-contact between itself and the moving knife groove (23), described screw rod (43) passes stationary knife positioning through hole (11), moving knife location groove (21), moving plate positioning through hole (4121) is connected with described nut (44) with through hole on the described spring leaf (42).

2. cropping knife according to claim 1, it is characterized in that: described stationary knife saw cutter (31), stationary knife sawtooth (312) and moving knife sawtooth (322) horizontal cross sectional geometry of moving knife saw cutter (32) are tall and big isosceles triangle in the base, wherein, the above tall and big in the above high 1.5 times of described moving knife sawtooth (322) of described stationary knife sawtooth (312), the drift angle of the described isosceles triangle of moving knife sawtooth (322) falls to be the obtuse angle, stationary knife sawtooth (312) and moving knife sawtooth (322) are right-angled trapezium perpendicular to the cross sectional shape of described serrated knife (3) long side direction, the teeth groove of stationary knife saw cutter (31) and moving knife saw cutter (32) is the circular arc that can hold 2-3 paddy bar footpaths, stationary knife tooth pitch (311) equals 1.5 times of moving knife tooth pitch (321), the length of stationary knife saw cutter (31) is sawed the length of cutter (32) greater than moving knife, its difference is greater than three moving knife tooth pitches (321), described stationary knife (1), moving knife (2) material therefor is steel alloy, the instrument steel or stainless steel.

3. cropping knife according to claim 2, it is characterized in that: described stationary knife positioning through hole (11), moving knife location groove (21) are three, described blade tensioning apparatus (4) is three groups, and described stationary knife groove (12), moving knife raised line (22), moving knife groove (23) and moving plate raised line (4122) are two.

4. cropping knife according to claim 3, it is characterized in that: go up and an exist together end and be positioned at another long side relative with described serrated knife (3) and spike of rice is installed stores up bag (5) of described stationary knife (1) at described harvesting arm (7), be respectively equipped with the entrance and exit of spike of rice thereon, entrance shape is annular or square, along the length of stationary knife (1) long side direction opening size greater than serrated knife (3); The position of the other end 1/3 brachium of (7) is provided with the handle of operating the rudder (9) on the described harvesting arm of distance, the described handle of operating the rudder (9) divides left hand handle, right handgrip, its shape, measure-alike and be crooked pipe, the one end is that operator's right-hand man grips, the other end is connected and is fixed on the harvesting arm (7), described left hand, right handgrip apart from the vertical height of the upper surface of harvesting arm (7) at 15-25 centimetres, be provided with the annular braces (10) of an adjustable length in the position that harvesting arm (7) is gone up the center of gravity place.

5. a grain header that has cropping knife comprises vehicle frame (102), wheel, near the position of spike of rice height with near the position of rice pole-footing portion two cropping knifes one on the other is installed in the front portion of vehicle frame (102)

(100), it is characterized in that: described cropping knife (100) is by drive unit (8), the harvesting arm (7) and the rectangular cutter of rectangle (6) that are shaped as the rectangle strip are formed, described drive unit (8) is installed in an end of described harvesting arm (7), the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), the apparent surface of stationary knife (1) and moving knife (2) is sliding-contact, side along stationary knife (1) and the long limit of moving knife (2) is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32), stationary knife (1) is fixed on the other end of the upper surface of harvesting arm (7), drive unit (8) links to each other with an end of moving knife (2), and it is reciprocating along long side direction that driving moving knife (2) is close to stationary knife (1); Have stationary knife positioning through hole (11) at described stationary knife (1), itself and moving knife (2) interior surface opposing upper edge long side direction offer the stationary knife groove (12) that is shaped as rectangle, the position corresponding with stationary knife positioning through hole (11) offers the moving knife location groove (21) that is shaped as rectangle along long side direction on described moving knife (2), its length is greater than three moving knife tooth pitches (321) of described moving knife saw cutter (32), moving knife (2) go up with stationary knife (1) interior surface opposing on be provided with the moving knife raised line (22) that is shaped as rectangle with the corresponding position of described stationary knife groove (12), the length of described moving knife raised line (22) is less than the length of stationary knife groove (12), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height is less than the degree of depth of stationary knife groove (12), its width equals the width of stationary knife groove (12), is sliding-contact between itself and the stationary knife groove (12); The width of described moving knife (2) is less than the width of stationary knife (1), be provided with the moving knife groove (23) that is shaped as rectangle at the outer surface upper edge of moving knife (2) long side direction, on stationary knife (1) and moving knife (2), also be provided with blade tensioning apparatus (4), described tensioning apparatus (4) is by fixing steel plate (41), spring leaf (42), screw rod (43) and nut (44) are formed, wherein, fixing steel plate (41) divides fixed head (411) and movable platen (412), its shape is rectangular slab, hinges therebetween, hinge axis is along the long side direction setting of stationary knife (1), fixed head (411) is fixed on stationary knife (1) and goes up another long side relative with described serrated knife (3), go up the position corresponding with described stationary knife positioning through hole (11) at described movable platen (412) and offer moving plate positioning through hole (4121), its with moving knife (2) outer surface opposing lower surface on to be provided with the rectangular long side direction cross sectional shape along moving knife (2) with the corresponding position of described moving knife groove (23) be rectangle and the semicircle moving plate raised line of forming (4122), its length is less than the length of moving knife groove (23), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height and width equate with the degree of depth and the width of moving knife groove (23) respectively, be sliding-contact between itself and the moving knife groove (23), described screw rod (43) passes stationary knife positioning through hole (11), moving knife location groove (21), moving plate positioning through hole (4121) is connected with described nut (44) with through hole on the described spring leaf (42); Cropping knife (100) in vehicle frame (102) bottom also is provided with a guiding dull and stereotyped (101) afterwards, and guiding dull and stereotyped (101) is arranged on the anterior side of vehicle frame (102) between the opposite side at vehicle frame (102) rear portion.

6. grain header that has cropping knife, comprise vehicle frame (102), wheel, front portion on vehicle frame (102) is equipped with a cropping knife (100) near the position of rice pole-footing portion, it is characterized in that: described cropping knife (100) is by drive unit (8), the harvesting arm (7) and the rectangular cutter of rectangle (6) that are shaped as the rectangle strip are formed, described drive unit (8) is installed in an end of described harvesting arm (7), the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), the apparent surface of stationary knife (1) and moving knife (2) is sliding-contact, side along stationary knife (1) and the long limit of moving knife (2) is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32), stationary knife (1) is fixed on the other end of the upper surface of harvesting arm (7), drive unit (8) links to each other with an end of moving knife (2), and it is reciprocating along long side direction that driving moving knife (2) is close to stationary knife (1); Have stationary knife positioning through hole (11) at described stationary knife (1), itself and moving knife (2) interior surface opposing upper edge long side direction offer the stationary knife groove (12) that is shaped as rectangle, the position corresponding with stationary knife positioning through hole (11) offers the moving knife location groove (21) that is shaped as rectangle along long side direction on described moving knife (2), its length is greater than three moving knife tooth pitches (321) of described moving knife saw cutter (32), moving knife (2) go up with stationary knife (1) interior surface opposing on be provided with the moving knife raised line (22) that is shaped as rectangle with the corresponding position of described stationary knife groove (12), the length of described moving knife raised line (22) is less than the length of stationary knife groove (12), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height is less than the degree of depth of stationary knife groove (12), its width equals the width of stationary knife groove (12), is sliding-contact between itself and the stationary knife groove (12); The width of described moving knife (2) is less than the width of stationary knife (1), be provided with the moving knife groove (23) that is shaped as rectangle at the outer surface upper edge of moving knife (2) long side direction, on stationary knife (1) and moving knife (2), also be provided with blade tensioning apparatus (4), described tensioning apparatus (4) is by fixing steel plate (41), spring leaf (42), screw rod (43) and nut (44) are formed, wherein, fixing steel plate (41) divides fixed head (411) and movable platen (412), its shape is rectangular slab, hinges therebetween, hinge axis is along the long side direction setting of stationary knife (1), fixed head (411) is fixed on stationary knife (1) and goes up another long side relative with described serrated knife (3), go up the position corresponding with described stationary knife positioning through hole (11) at described movable platen (412) and offer moving plate positioning through hole (4121), its with moving knife (2) outer surface opposing lower surface on to be provided with the rectangular long side direction cross sectional shape along moving knife (2) with the corresponding position of described moving knife groove (23) be rectangle and the semicircle moving plate raised line of forming (4122), its length is less than the length of moving knife groove (23), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height and width equate with the degree of depth and the width of moving knife groove (23) respectively, be sliding-contact between itself and the moving knife groove (23), described screw rod (43) passes stationary knife positioning through hole (11), moving knife location groove (21), moving plate positioning through hole (4121) is connected with described nut (44) with through hole on the described spring leaf (42); Be provided with a guiding dull and stereotyped (101) afterwards at described cropping knife (100), guiding dull and stereotyped (101) is arranged on the anterior side of vehicle frame (102) between the opposite side at vehicle frame (102) rear portion.

7. grain header that has cropping knife, comprise vehicle frame (102), wheel and threshing cylinder (103), threshing cylinder (103) places the front portion of vehicle frame (102) near the position of spike of rice height, front end at vehicle frame (102) is horizontally disposed with two cropping knifes (100) one on the other, the bottom of a front end that is arranged on described vehicle frame (102) is near the position of rice pole-footing portion, another one is arranged on the middle part of described vehicle frame (102) and is positioned at the below of described threshing cylinder (103) near the position of spike of rice root, it is characterized in that: described cropping knife (100) is by drive unit (8), the harvesting arm (7) and the rectangular cutter of rectangle (6) that are shaped as the rectangle strip are formed, described drive unit (8) is installed in an end of described harvesting arm (7), the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), the apparent surface of stationary knife (1) and moving knife (2) is sliding-contact, side along stationary knife (1) and the long limit of moving knife (2) is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32), stationary knife (1) is fixed on the other end of the upper surface of harvesting arm (7), drive unit (8) links to each other with an end of moving knife (2), and it is reciprocating along long side direction that driving moving knife (2) is close to stationary knife (1); Have stationary knife positioning through hole (11) at described stationary knife (1), itself and moving knife (2) interior surface opposing upper edge long side direction offer the stationary knife groove (12) that is shaped as rectangle, the position corresponding with stationary knife positioning through hole (11) offers the moving knife location groove (21) that is shaped as rectangle along long side direction on described moving knife (2), its length is greater than three moving knife tooth pitches (321) of described moving knife saw cutter (32), moving knife (2) go up with stationary knife (1) interior surface opposing on be provided with the moving knife raised line (22) that is shaped as rectangle with the corresponding position of described stationary knife groove (12), the length of described moving knife raised line (22) is less than the length of stationary knife groove (12), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height is less than the degree of depth of stationary knife groove (12), its width equals the width of stationary knife groove (12), is sliding-contact between itself and the stationary knife groove (12); The width of described moving knife (2) is less than the width of stationary knife (1), be provided with the moving knife groove (23) that is shaped as rectangle at the outer surface upper edge of moving knife (2) long side direction, on stationary knife (1) and moving knife (2), also be provided with blade tensioning apparatus (4), described tensioning apparatus (4) is by fixing steel plate (41), spring leaf (42), screw rod (43) and nut (44) are formed, wherein, fixing steel plate (41) divides fixed head (411) and movable platen (412), its shape is rectangular slab, hinges therebetween, hinge axis is along the long side direction setting of stationary knife (1), fixed head (411) is fixed on stationary knife (1) and goes up another long side relative with described serrated knife (3), go up the position corresponding with described stationary knife positioning through hole (11) at described movable platen (412) and offer moving plate positioning through hole (4121), its with moving knife (2) outer surface opposing lower surface on to be provided with the rectangular long side direction cross sectional shape along moving knife (2) with the corresponding position of described moving knife groove (23) be rectangle and the semicircle moving plate raised line of forming (4122), its length is less than the length of moving knife groove (23), its difference is sawed three moving knife tooth pitches (321) of cutter (32) at least greater than moving knife, its height and width equate with the degree of depth and the width of moving knife groove (23) respectively, be sliding-contact between itself and the moving knife groove (23), described screw rod (43) passes stationary knife positioning through hole (11), moving knife location groove (21), moving plate positioning through hole (4121) is connected with described nut (44) with through hole on the described spring leaf (42); Cropping knife (100) in the bottom is provided with a guiding dull and stereotyped (101) afterwards, and guiding dull and stereotyped (101) is arranged on the anterior side of vehicle frame (102) between the opposite side at vehicle frame (102) rear portion.

8. grain header that has cropping knife, comprise a hollow metal pipe (104), in the hollow metal pipe (104), be provided with a rotating shaft coaxial with it (105), one end of rotating shaft (105) is connected with a horizontally disposed cropping knife (100), its other end links to each other with power set (106), described power set (106) are passed to cropping knife (100) by rotating shaft (105) with power, it is characterized in that: described cropping knife (100) is by drive unit (8), the harvesting arm (7) and the rectangular cutter of rectangle (6) that are shaped as the rectangle strip are formed, described drive unit (8) is installed in an end of described harvesting arm (7), the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), the apparent surface of stationary knife (1) and moving knife (2) is sliding-contact, side along stationary knife (1) and the long limit of moving knife (2) is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32), stationary knife (1) is fixed on the other end of the upper surface of harvesting arm (7), drive unit (8) links to each other with an end of moving knife (2), it is reciprocating along long side direction that driving moving knife (2) is close to stationary knife (1), and the angle between described rotating shaft (105) and the cropping knife (100) is 120-150 degree.