CN202222153U

CN202222153U - Harvesting knife and harvester with same

Info

Publication number: CN202222153U
Application number: CN2011202746403U
Authority: CN
Inventors: 李小波
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-30
Filing date: 2011-07-30
Publication date: 2012-05-23
Anticipated expiration: 2021-07-30

Abstract

The utility model discloses a harvesting knife and a harvester with the harvesting knife; and the harvester can lead farmers to freely and easily harvest rice under the condition that large, middle and small harvesters cannot be used in severe geographic environments. The harvesting knife comprises a driving device, a rectangular strip harvesting arm and a rectangular strip cutting knife, wherein the rectangular strip cutting knife comprises a stationary knife and a movable knife which are overlapped; a serrated knife is arranged along one long sides of the stationary knife and the movable knife; and the driving device is connected with one end of the movable knife so as to drive the movable knife to cling to the stationary knife and move to and fro along the long side direction. Compared with the prior art, the harvesting knife comprises the driving device, the long strip harvesting arm and the long strip cutting knife, wherein the driving device drives the moving knife to cling to the stationary knife and move to and fro along the long side direction; the harvesting knife has a simple structure; and a wheel type hand-push harvester, a wheel type hand-push stalk cutting machine, a wheel type hand-push harvesting and threshing all-in-one machine and a back type handrail harvester, which are provided with the harvesting knives, have small volume, light weight and low cost and are convenient to use.

Description

Cropping knife and have the grain header of cropping knife

Technical field

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

Background technology

Along with the realization of China's agricultural modernization, large-scale combine is generally used in most areas when paddy is ripe; Basically realized that harvesting, threshing, transportation, warehouse-in are 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 whenever the water in the rice field too much, when too dark, such small harvester also has no usage because of using, and often these regional between twenty and fifty great majority all join in the troop of construction of modern urban; Thereby for these regional empty nestors, the time in busy farming season will be that they are in 1 year hard to bear, the most arduous the time.

Summary of the invention

The purpose of the utility model provides a kind of cropping knife and has 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 scheme that the utility model adopts is:

The cropping knife of the utility model is made up of drive unit, the harvesting arm that is shaped as the rectangle strip and the rectangular cutter of rectangle; 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, is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter along the side on the long limit of stationary knife and moving knife, and stationary knife is fixed on the other end of the upper surface that gathers in 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.

The stationary knife sawtooth and the moving knife sawtooth horizontal cross sectional geometry of described stationary knife saw cutter, moving knife saw cutter are tall and big isosceles triangle in the base; Wherein, The above tall and big of described stationary knife sawtooth in the above high 1.5 times of described moving knife sawtooth; It is the obtuse angle that the drift angle of the described isosceles triangle of moving knife sawtooth falls, and stationary knife sawtooth and moving knife sawtooth are right-angled trapezium perpendicular to the cross sectional shape of described serrated knife long side direction, and 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, and its difference is greater than three moving knife tooth pitches, and described stationary knife, moving knife material therefor are steel alloy, instrument steel or stainless steel.

On described stationary knife, have the stationary knife positioning through hole; Itself and moving knife interior surface opposing upper edge long side direction offer the stationary knife groove that is shaped as rectangle; On described moving knife, offer the moving knife location groove that is shaped as rectangle along long side direction with the corresponding position of stationary knife positioning through hole; Its length is provided with the moving knife raised line that be shaped as rectangle with the corresponding position of described stationary knife groove greater than three moving knife tooth pitches of described moving knife saw cutter on the moving knife with on the stationary knife interior surface opposing, and 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, and its width equals the width of stationary knife groove, its with the stationary knife groove between be sliding-contact.

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 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, and 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; On described movable platen, offer moving plate positioning through hole with the corresponding position of described stationary knife positioning through hole, 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 moving plate raised line of semicircle composition, 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 equates with the degree of depth and the width of moving knife groove respectively with width, is sliding-contact between itself and the moving knife groove, and described screw rod passes stationary knife positioning through hole, moving knife and locatees groove, moves the plate positioning through hole and be 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 and spike of rice is installed stores up bag of described stationary knife with described serrated knife; Be respectively equipped with the entrance and exit of spike of rice above that; Entrance shape is an 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 of which end grips for operator's right-hand man, and 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 utility model; 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, said cropping knife is made up of drive unit, the harvesting arm that is shaped as the rectangle strip and the rectangular cutter of rectangle, and 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, is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter along the side on the long limit of stationary knife and moving knife, and stationary knife is fixed on the other end of the upper surface that gathers in 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, and it is dull and stereotyped after the cropping knife of vehicle frame bottom, also to be provided with a guiding, and guiding is dull and stereotyped to be arranged between one side to the opposite side at vehicle frame rear portion of vehicle frame front portion.

A kind of grain header that has cropping knife of the utility model; Comprise vehicle frame, wheel; Front portion on vehicle frame is equipped with a cropping knife near the position of rice pole-footing portion, and said cropping knife is made up of drive unit, the harvesting arm that is shaped as the rectangle strip and the rectangular cutter of rectangle, and 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, is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter along the side on the long limit of stationary knife and moving knife, and stationary knife is fixed on the other end of the upper surface that gathers in 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, and it is dull and stereotyped after described cropping knife, to be provided with a guiding, and guiding is dull and stereotyped to be arranged between one side to the opposite side at vehicle frame rear portion of vehicle frame front portion.

A kind of grain header that has cropping knife of the utility model; Comprise vehicle frame, wheel and threshing cylinder, threshing cylinder places the position of the front portion of vehicle frame near the spike of rice height, is horizontally disposed with two cropping knifes one on the other at the front end of vehicle frame; 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 position of the below of described threshing cylinder near the spike of rice root, and said cropping knife is made up of drive unit, the harvesting arm that is shaped as the rectangle strip and the rectangular cutter of rectangle, and 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, is provided with the serrated knife that zigzag fashion is respectively stationary knife saw cutter and moving knife saw cutter along the side on the long limit of stationary knife and moving knife, and stationary knife is fixed on the other end of the upper surface that gathers in 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, and it is dull and stereotyped after the cropping knife of bottom, to be provided with a guiding, and guiding is dull and stereotyped to be arranged between one side to the opposite side at vehicle frame rear portion of vehicle frame front portion.

A kind of grain header that has cropping knife of the utility model comprises a hollow metal pipe, in the hollow metal pipe; Be provided with a rotating shaft coaxial with it, an end of rotating shaft is connected with a horizontally disposed cropping knife, and its other end links to each other with power set; Said power set are passed to cropping knife through rotating shaft with power; Said cropping knife is made up of drive unit, the harvesting arm that is shaped as the rectangle strip and the rectangular cutter of rectangle, and described drive unit is installed in an end of described harvesting arm, and 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, and stationary knife is fixed on the other end of the upper surface of harvesting arm, and 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, and the angle between said rotating shaft and the cropping knife is the 120-150 degree.

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

Description of drawings

Fig. 1 is the schematic perspective view of the utility model.

Fig. 2 is that the cropping knife stationary knife of the utility model separates sketch map with moving knife.

Fig. 3 partly combines sketch map for the cropping knife stationary knife and the moving knife of the utility model.

Fig. 4 combines sketch map fully for the cropping knife stationary knife and the moving knife of the utility model.

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

Below in conjunction with accompanying drawing and embodiment the utility model is described further:

Like Fig. 1, shown in 2; The cropping knife of the utility model; Be made up of drive unit 8, the harvesting arm 7 that is shaped as the rectangle strip and the rectangular cutter 6 of rectangle, described drive unit 8 is installed in an end of described harvesting arm 7, and the rectangular cutter 6 of described rectangle is made up of with moving knife 2 equitant stationary knife 1; 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, and stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, and 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.

The stationary knife sawtooth 312 and moving knife sawtooth 322 horizontal cross sectional geometry of described stationary knife saw cutter 31, moving knife saw cutter 32 are tall and big isosceles triangle in the base; Wherein, The above tall and big of described stationary knife sawtooth 312 in the above high 1.5 times of described moving knife sawtooth 322; 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; Stationary knife saw cutter 31 is the circular arc that can hold 2-3 root paddy bar footpath with the teeth groove of moving knife saw cutter 32, and stationary knife tooth pitch 311 equals 1.5 times of moving knife tooth pitch 321, and 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, and described stationary knife 1, moving knife 2 material therefors are steel alloy, 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; On described stationary knife 1, have stationary knife positioning through hole 11, itself and moving knife 2 interior surface opposing upper edge long side directions offer the stationary knife groove 12 that is shaped as rectangle, on described moving knife 2, offer the moving knife location groove 21 that is shaped as rectangle along long side direction with stationary knife positioning through hole 11 corresponding positions; 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 described stationary knife groove 12 corresponding positions 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, and 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; 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 is provided with blade tensioning apparatus 4 (consulting Fig. 3,4), like Fig. 2,3, shown in 4; Described tensioning apparatus 4 by fixing steel plate 41, spring leaf 42, screw rod 43, nut 44, form; Wherein, 41 fens fixed heads of fixing steel plate 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, and fixed head 411 is fixed on the stationary knife 1 another long side relative with described serrated knife 3, on described movable platen 412, offers moving plate positioning through hole 4121 with described stationary knife positioning through hole 11 corresponding positions; Being provided with the rectangular long side direction cross sectional shape along moving knife 2 with described moving knife groove 23 corresponding positions on itself and the moving knife 2 outer surface opposing lower surface is rectangle and the semicircle moving plate raised line of forming 4122; Its length is less than the length of moving knife groove 23, and greater than three moving knife tooth pitches 321 of moving knife saw cutter 32, its height and width equate with the degree of depth and the width of moving knife groove 23 respectively its difference at least; 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 and is connected with described nut 44 with through hole on the described spring leaf 42.

Be three like 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 described stationary knife 1 exist together an end and be positioned at described serrated knife 3 another relative long sides be equipped with spike of rice store up the bag 5; Be respectively equipped with the entrance and exit of spike of rice above that; Entrance shape is an annular or square, and 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 of which end grips for operator's right-hand man, and 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 with plank or light aluminum alloy material, and the described handle 9 of operating the rudder can be made with 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 pass through hole and described nut 44 on described stationary knife positioning through hole 11, moving knife location groove 21, moving plate positioning through hole 4121 and the spring leaf 42 screw (consulting Fig. 4,5) by described screw rod 43; At this moment; Described moving knife raised line 22 fall into pairing stationary knife groove 12 and smoothly contact with it, described moving plate raised line 4122 falls into pairing moving knife groove 23 and with its smooth contact; Because the fixed head 411 on the fixing steel plate 41 is fixedly connected with stationary knife 1; Do not produce displacement with described movable platen of described fixed head 411 hinges 412 and stationary knife 1 relative fixed, thereby make moving knife 2 only can on stationary knife 1 long side direction, produce to move back and forth.

The used drive unit of the cropping knife of the utility model uses engine fuel or charging generator; Engine is connected with described moving knife 2 through members such as gear, eccentric wheel, connecting rods; Under the effect of this drive unit; Accomplish moving knife 2 in stationary knife 1 upper edge its long side direction reciprocating, 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, and just can very easily paddy fringe head cut off and make it to fall into described spike of rice and store 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 utility model 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 100 one on the other are installed in the front portion of vehicle frame 102; This cropping knife 100 is made up of drive unit 8, the harvesting arm 7 that is shaped as the rectangle strip and the rectangular cutter 6 of rectangle, and described drive unit 8 is installed in an end of described harvesting arm 7, and the rectangular cutter 6 of described rectangle is made up of with moving knife 2 equitant stationary knife 1; 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, and stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, and 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 flat board 101, guiding dull and stereotyped 101 is arranged between vehicle frame 102 an anterior side to the opposite sides 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 utility model comprises vehicle frame 102, wheel, and the 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 made up of drive unit 8, the harvesting arm 7 that is shaped as the rectangle strip and the rectangular cutter 6 of rectangle; Described drive unit 8 is installed in an end of described harvesting arm 7, and the rectangular cutter 6 of described rectangle is made up of with moving knife 2 equitant stationary knife 1, and 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, and 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; After described cropping knife 100, be provided with a guiding dull and stereotyped 101; Guiding dull and stereotyped 101 is arranged between vehicle frame 102 an anterior side to the opposite sides at vehicle frame 102 rear portions, its objective is the rice bar that guiding is cut off by cropping knife 100, falls ground to the side shop of wheeled hand push cropper.This wheeled hand push cropper both can be used for cutting the paddy bar merely, can take on the task of harvesting again, promptly earlier paddy was cut off, and again it was transported to immovable large-scale thresher place and concentrated threshing, constituted wheeled hand push cropper.

As shown in Figure 8; The grain header that has cropping knife of the utility model; Comprise vehicle frame 102, wheel and threshing cylinder 103; Threshing cylinder 103 places the position of the front portion of vehicle frame 102 near the spike of rice height, is horizontally disposed with one on the other the bottom of front end that two 100, one ones of cropping knifes are arranged on described vehicle frame 102 near the position of rice pole-footing portion at the front end of vehicle frame 102; Another one is arranged on the middle part of described vehicle frame 102 and is positioned at the position of the below of described threshing cylinder 103 near the spike of rice root; Described cropping knife 100 is made up of drive unit 8, the harvesting arm 7 that is shaped as the rectangle strip and the rectangular cutter 6 of rectangle, and described drive unit 8 is installed in an end of described harvesting arm 7, and the rectangular cutter 6 of described rectangle is made up of with moving knife 2 equitant stationary knife 1; 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, and stationary knife 1 is fixed on the other end of the upper surface of harvesting arm 7, and 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; It is dull and stereotyped 101 after the cropping knife 100 of bottom, to be provided with guiding, and guiding dull and stereotyped 101 is arranged between vehicle frame 102 an anterior side to the opposite sides at vehicle frame 102 rear portions, its objective is that rice bar that guiding cut off by cropping knife 100 is to the ground that falls, the side shop of wheeled hand push harvesting threshing all-in-one; The task that this wheeled hand push harvesting threshing all-in-one can be accomplished harvesting (like the harvesting spike of rice), threshing simultaneously and cut bar constitutes wheeled hand push harvesting threshing all-in-one.

As shown in Figure 9, the grain header that has cropping knife of the utility model comprises a hollow metal pipe 104; In the hollow metal pipe 104, be provided with a rotating shaft coaxial with it 105, an 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, and said power set 106 are passed to cropping knife 100 through rotating shaft 105 with power, at the side of cropping knife 100; The handrail that is provided with control direction when being convenient to the operator and using is 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 made up of drive unit 8, the harvesting arm 7 that is shaped as the rectangle strip and the rectangular cutter 6 of rectangle, and 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 with moving knife 2 equitant stationary knife 1; The apparent surface of stationary knife 1 and moving knife 2 be sliding-contact, is provided with the serrated knife 3 that zigzag fashion is respectively stationary knife saw cutter 31 and moving knife saw cutter 32 along the side on stationary knife 1 and moving knife 2 long limits, and stationary knife 1 is fixed on the other end of the upper surface that gathers in 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 said 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: said cropping knife is made up of drive unit (8), the harvesting arm (7) that is shaped as the rectangle strip and the rectangular cutter of rectangle (6); 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, is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32) along the side on the long limit of stationary knife (1) and moving knife (2), and stationary knife (1) is fixed on the other end of the upper surface that gathers in 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).

2. cropping knife according to claim 1; It is characterized in that: the stationary knife sawtooth (312) and moving knife sawtooth (322) horizontal cross sectional geometry of described stationary knife saw cutter (31), moving knife saw cutter (32) are tall and big isosceles triangle in the base; Wherein, The above tall and big of described stationary knife sawtooth (312) in the above high 1.5 times of described moving knife sawtooth (322); It is the obtuse angle that the drift angle of the described isosceles triangle of moving knife sawtooth (322) falls, and 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, and 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 sawed the length of cutter (32) greater than moving knife, and its difference is greater than three moving knife tooth pitches (321), and described stationary knife (1), moving knife (2) material therefor are steel alloy, instrument steel or stainless steel.

3. cropping knife according to claim 2; It is characterized in that: on described stationary knife (1), have stationary knife positioning through hole (11); Itself and moving knife (2) interior surface opposing upper edge long side direction offer the stationary knife groove (12) that is shaped as rectangle; Go up to offer along the moving knife that is shaped as rectangle of long side direction at described moving knife (2) and locate groove (21) with the corresponding position of stationary knife positioning through hole (11); Its length is greater than three moving knife tooth pitches (321) of described moving knife saw cutter (32), and moving knife (2) upward and on stationary knife (1) interior surface opposing is provided with the moving knife raised line (22) that is shaped as rectangle with the corresponding position of described stationary knife groove (12), and 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), and its width equals the width of stationary knife groove (12), its with stationary knife groove (12) between be sliding-contact.

4. cropping knife according to claim 3; It is characterized in that: the width of described moving knife (2) is less than the width of stationary knife (1); 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); Described tensioning apparatus (4) by fixing steel plate (41), spring leaf (42), screw rod (43), nut (44), form; Wherein, fixing steel plate (41) divides fixed head (411) and movable platen (412), and its shape is rectangular slab; Hinges therebetween; Hinge axis is along the long side direction setting of stationary knife (1), and fixed head (411) is fixed on stationary knife (1) and goes up another long side relative with described serrated knife (3), goes up with the corresponding position of described stationary knife positioning through hole (11) at described movable platen (412) and offers moving plate positioning through hole (4121); Being provided with the rectangular long side direction cross sectional shape along moving knife (2) with the corresponding position of described moving knife groove (23) on itself and moving knife (2) the outer surface opposing lower surface is rectangle and the semicircle moving plate raised line of forming (4122); Its length is less than the length of moving knife groove (23), and greater than three moving knife tooth pitches (321) of moving knife saw cutter (32), its height and width equate with the degree of depth and the width of moving knife groove (23) respectively its difference at least; 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) and is connected with described nut (44) with through hole on the described spring leaf (42).

5. cropping knife according to claim 4; 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.

6. cropping knife according to claim 5; It is characterized in that: go up and an exist together end and be positioned at another long side relative and spike of rice is installed stores up bag (5) of described stationary knife (1) with described serrated knife (3) at described harvesting arm (7); Be respectively equipped with the entrance and exit of spike of rice above that; Entrance shape is an 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 of which end grips for operator's right-hand man; The other end is connected and is fixed in 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, 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.

7. grain header that has cropping knife; 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); It is characterized in that: said cropping knife (100) is made up of drive unit (8), the harvesting arm (7) that is shaped as the rectangle strip and the rectangular cutter of rectangle (6); Described drive unit (8) is installed in an end of described harvesting arm (7), and the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), and 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), and 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); 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 between the anterior side of vehicle frame (102) to the opposite side at vehicle frame (102) rear portion.

8. 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: said cropping knife (100) is made up of drive unit (8), the harvesting arm (7) that is shaped as the rectangle strip and the rectangular cutter of rectangle (6); Described drive unit (8) is installed in an end of described harvesting arm (7), and the rectangular cutter of described rectangle (6) is made up of equitant stationary knife (1) and moving knife (2), and 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), and 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); Be provided with a guiding dull and stereotyped (101) afterwards at described cropping knife (100), guiding dull and stereotyped (101) is arranged between the anterior side of vehicle frame (102) to the opposite side at vehicle frame (102) rear portion.

9. grain header that has cropping knife; Comprise vehicle frame (102), wheel and threshing cylinder (103); Threshing cylinder (103) places the position of the front portion of vehicle frame (102) near the 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 position of the below of described threshing cylinder (103) near the spike of rice root, it is characterized in that: said cropping knife (100) is made up of drive unit (8), the harvesting arm (7) that is shaped as the rectangle strip and the rectangular cutter of rectangle (6), and 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, is provided with the serrated knife (3) that zigzag fashion is respectively stationary knife saw cutter (31) and moving knife saw cutter (32) along the side on the long limit of stationary knife (1) and moving knife (2), and stationary knife (1) is fixed on the other end of the upper surface that gathers in 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 cropping knife (100) in the bottom is provided with a guiding dull and stereotyped (101) afterwards, and guiding dull and stereotyped (101) is arranged between the anterior side of vehicle frame (102) to the opposite side at vehicle frame (102) rear portion.

10. 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), an end of rotating shaft (105) is connected with a horizontally disposed cropping knife (100), and its other end links to each other with power set (106); Said power set (106) are passed to cropping knife (100) through rotating shaft (105) with power; It is characterized in that: said cropping knife (100) is made up of drive unit (8), the harvesting arm (7) that is shaped as the rectangle strip and the rectangular cutter of rectangle (6), and described drive unit (8) is installed in an end of described harvesting arm (7), and 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), and stationary knife (1) is fixed on the other end of the upper surface of harvesting arm (7), and 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 said rotating shaft (105) and the cropping knife (100) is the 120-150 degree.