CN208940379U

CN208940379U - A kind of stubble-cleaning cuts rattan grass trimmer to pieces

Info

Publication number: CN208940379U
Application number: CN201821508460.5U
Authority: CN
Inventors: 孙宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-15
Filing date: 2018-09-15
Publication date: 2019-06-07
Anticipated expiration: 2028-09-15

Abstract

The utility model relates to a kind of stubble-cleanings to cut rattan grass trimmer, including rack, fuel engines, transmission system and cutter device to pieces.Bottom of the frame is equipped with wheel, and fuel engines is fixed on the rack；Transmission system is made of cutter reciprocating cutting transmission chain and wheel walking transmission chain；Cutter device includes mowing row scissor, stubble-cleaning row scissor and cuts to pieces to cut and cut；The front lower portion of grass trimmer rack is arranged in mowing row scissor, for the reciprocating cutting trimming to lawn, vegetation root；The front center of grass trimmer rack is arranged in stubble-cleaning row scissor, for the cataclasm cutting reciprocal by the waist to rice wheat stalk；The upper front end for cutting and cutting and grass trimmer rack being set is cut to pieces, for cutting to back and forth cutting to pieces for winding tendril.The movement of fuel engines is transmitted to cutter device by cutter reciprocating cutting transmission chain, it is made to obtain reciprocating cutting movement；The movement of fuel engines is transmitted to axletree by wheel walking transmission chain, and running wheel is made to obtain the speed of travel.The utility model has the advantages that full-featured, adaptable, cost performance is high.

Description

A kind of stubble-cleaning cuts rattan grass trimmer to pieces

Technical field

It is not only able to cut the grass on a lawn and can cut to pieces the utility model relates to a kind of grass trimmer more particularly to one kind to cut weeds Tendril broken can also go out the grass trimmer of rice and kernel straw, belong to Manufacture of Agriculture Machines technical field.

Background technique

Grass trimmer is a kind of for cutting the grass on a lawn, cutting the machinery of vegetation.Since weeding working efficiency can be greatly improved, It uses manpower and material resources sparingly, thus is used widely.There are many type of grass trimmer, such as: rotary, drum-type, rotating disc type, flail knife Formula etc., above-mentioned no matter which kind of grass trimmer all has common drawback: 1, structure is complex, higher cost, expensive；2, work It is not strong to make adaptability, such as: weedy, when working under the wilderness environment that tendril four prolongs, often by weeds tendril It winds and causes cutting that cannot normally promote；3, the stubble-cleaning needs of rice and kernel straw are not adapted to, thus are had a single function.Therefore, it passes The all-round popularization application of system grass trimmer will be also further improved in terms of efficient, energy saving, inexpensive, the comprehensive adaptability of enhancing It improves.

Summary of the invention

For traditional grass trimmer drawback as stated in the background art, it is simple, at low cost that the utility model provides a kind of structure It is honest and clean, can cut the grass on a lawn but also cut to pieces and cut weeds tendril, moreover it is possible to the broken stubble-cleaning for going out rice and kernel straw cuts rattan grass trimmer to pieces.

The utility model is implemented by the following technical programs: a kind of stubble-cleaning cuts rattan grass trimmer to pieces, including rack, fuel oil start Machine, transmission system and cutter device, the bottom of the frame are equipped with axletree IV, and the both ends of axletree IV are equipped with running wheel, The rear portion of rack is equipped with handrail, and fuel engines is fixed on the rack, it is characterised in that:

The transmission system is made of cutter reciprocating cutting transmission chain and wheel walking transmission chain；

The cutter device is cut to pieces to cut including one group of mowing row scissor, one group of stubble-cleaning row scissor, one to be cut,

The front lower portion of rack is arranged in the mowing row scissor；

The front center of rack is arranged in the stubble-cleaning row scissor；

It is described cut to pieces to cut cut the upper front end that rack is set；

The cutter reciprocating cutting transmission chain and wheel walking transmission chain jointly comprise fuel engines output shaft I, three Cuticle band a, transmission shaft II, chain b, sprocket wheel c, transmission shaft III, bidirectional clutch；The cutter reciprocating cutting transmission chain is also Including V belt e, transmission shaft V and a crank and rocker mechanism, the wheel walking transmission chain further includes sprocket wheel d, chain f With axletree IV；

The bidirectional clutch is made of right end clutch and left end clutch and spring, and the spring is placed in right end Between clutch and left end clutch, the right end clutch and left end clutch pass through the keyway on key and transmission shaft III It is circumferentially fixed, slide axially；

The sprocket wheel c empty set engages on the spindle nose of transmission shaft III, and with chain b, and engage with right end clutch or It disengages；

The sprocket wheel d empty set engages on the middle part spindle nose of transmission shaft III, and with chain f, and connects with left end clutch It closes or disengages；

The mowing row scissor is made of several the first fixed blades and several the first movable blades, and described is several Only the first fixed blade side-by-side horizontal is fixed on the rack the fixation blade row to form mowing row scissor, several first activities Blade is connected to form the movable blade row of mowing row scissor side by side；If the stubble-cleaning row scissor by several the second fixed blades with Dry only the second movable blades are constituted, and several second fixed blade side-by-side horizontals are fixed on the rack to form stubble-cleaning row scissor Fixation blade row, several second movable blades are connected to form the movable blade row of stubble-cleaning row scissor side by side, described Fixed blade row and the movable blade row form cutting tool line；It is described cut to pieces to cut to cut cutting blade and an activity are cut to pieces by a fixation Cut cutting blade composition to pieces, the fixation is cut cutting blade to pieces and is horizontally fixed in rack, and is located at the center of rack width；

The crank and rocker mechanism is made of crank, connecting rod, rocking bar, and the crank is fixed on the spindle nose of transmission shaft V On, the other end of one end of crank and connecting rod, rocking bar and connecting rod is made up of the hinges of rotary pair universal joint respectively, described Rocking bar and rack constitute the fixed hinge of rotary pair, and hinge axis VI is in company with rocking bar around hinge axis oscillating, it is by transmission shaft V Complete cycle rotary motion be converted into mowing row scissor, movable blade row and cut to pieces to cut and cut the reciprocal fortune that cutting blade is cut in middle activity to pieces in stubble-cleaning row scissor It is dynamic；

It is equipped with the first shift fork in the middle part of the movable blade row of the mowing row scissor, is equipped in the middle part of the movable blade row of the stubble-cleaning row scissor Second shift fork connects two yoke bars on the hinge axis VI, wherein in the first yoke bar and mowing row scissor on movable blade row First shift fork is meshed, wherein the second yoke bar is meshed with the second shift fork on blade row movable in stubble-cleaning row scissor, the work It is dynamic to cut cutting blade to pieces and be fixed on hinge axis VI, and with the fixation in rack cut cutting blade to pieces and form a pair and cut to pieces and cut scissors；

One piece of vertical scraper plate is connected on second yoke bar, vertical scraper plate is located at the lower part that cutting blade is cut in activity to pieces, is used for Strike off the grass cuttings on broken stubble row scissor top；

The second movable blades in the first movable blades and stubble-cleaning row scissor in the mowing row scissor are cut to pieces and cut the fixation in cutting Cut cutting blade to pieces and activity to cut cutting blade to pieces be isosceles triangle blade, and two waists are equipped with sawtooth, and the sawtooth is cutting edge；

The front end of the rack is equipped with involucrum, and the involucrum surrounds the end of cutter reciprocating cutting transmission chain, and is wrapping The wall portion of shell is arranged transverse holes, mowing row scissor, stubble-cleaning row scissor and cuts to pieces to cut to cut and is stretched out except involucrum by the transverse holes；

Gear lever is equipped with by the handrail at the rack rear portion, gear lever converts between right end clutch and left end clutch Axial distance and relative position realize that the starting operating, cutter device movement, grass trimmer of fuel engines roll the movement of walking Switching；

The isosceles triangle activity, which is cut to pieces, is connected with a support rattan bar on the apex angle of cutting blade, the front end of the described support rattan bar to The direction of advance of grass trimmer is sagging；

The involucrum front end is equipped with an arc and presses rattan bar, and the arc pressure rattan rod rear end, which is connected and fixed, to be cut to pieces on cutting blade The center in face, front end are upwarped to the direction of advance of grass trimmer；

The mowing row scissor is parallel with stubble-cleaning row scissor, and the front end of stubble-cleaning row scissor be located at mowing row scissor front end it Before.

In some embodiments, the cutter device includes one group of mowing row scissor, and the mowing row scissor is arranged in machine The front lower portion of frame.

In some embodiments, the cutter device includes one group of mowing row scissor and one group of stubble-cleaning row scissor；Described cuts The front lower portion of rack is arranged in careless row scissor；The front center of rack is arranged in the stubble-cleaning row scissor.

In some embodiments, the cutter device is cut to pieces to cut and be cut including one group of mowing row scissor and one, the mowing The front lower portion of rack is arranged in row scissor；It is described cut to pieces to cut cut the upper front end that rack is set.

Further, the height difference setting between the stubble-cleaning row scissor and mowing row scissor is between 15~20cm.

Further, described to cut the height difference setting cut cut between mowing row scissor to pieces between 25~35cm.

Further, the front end distance that mowing row scissor is stretched out in the front end of the stubble-cleaning row scissor is greater than 10cm, is less than 20cm.

Compared with traditional grass trimmer, mowing row scissor, middle part setting is arranged in the front bottom end of grass trimmer in the utility model Stubble-cleaning row scissor, top setting are cut to pieces to cut and are cut, and by transmission system by the power of fuel engines pass to mowing row scissor to lawn, Vegetation root carries out reciprocating cutting trimming, and stubble-cleaning row scissor carries out reciprocal cataclasm cutting by the waist to rice wheat stalk, cuts to pieces to cut and cut to winding Tendril back and forth cut to pieces and cuts, and realizes the purpose of a tractor serves several purposes.

The utility model is reasonable with design, structure is simple, full-featured, adaptable, manufacturing cost is low, cost performance is high The advantages of.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Attached drawing 1 is the structural schematic diagram of the utility model；

Attached drawing 2, attached drawing 3, attached drawing 4 are the utility model transmission system and cutting tool line reciprocating cutting position and two-way clutch The working state schematic representation of three kinds of switching positions of device；

Attached drawing 5 is the removal enlarged drawing of X section in attached drawing 1；

Attached drawing 6, attached drawing 7 are to cut the activity cut and cut in attached drawing 5 to pieces and cut cutting blade to pieces and back and forth cut to pieces to cut the A of position to structural schematic diagram.

In attached drawing 1-7: 1 is rack, and 2 be fuel engines, and 3 be cutter device, and 4 be connecting rod, and 5 be running wheel, and 6 are Handrail, 7 be right end clutch, and 7 ' be left end clutch, and 8 be gear lever, and 9 be spring, and 10 be crank, and 11 be rocking bar, and 12 be the One fixed blade, 12 ' be the second fixed blade, and 13 be the first movable blades, and 13 ' be the second movable blades；I starts for fuel oil Machine output shaft, II, III, V are transmission shaft, and IV is axletree, and VI is hinge axis；A and e is V belt, and b and f are chain, c and D is sprocket wheel；301 be bracket, and 302 be the first yoke bar, and 303 cut cutting blade to pieces to be fixed, and 304 cut cutting blade to pieces for activity, and 305 be pressure Rattan bar, 306 be support rattan bar, and 307 be the second yoke bar, and 308 be vertical scraper plate, and 309 be involucrum, and 310 be the first shift fork, 310 ' For the second shift fork.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It should be understood that the term " on " occurred in the description of the utility model, " in ", "lower", "left", "right", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, only It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

As shown in attached drawing 1-7, the utility model includes rack 1, fuel engines 2 and transmission system and cutter device, machine The bottom of frame 1 is equipped with axletree IV, and the both ends of axletree IV are equipped with running wheel 5, and the rear portion of rack 1 is equipped with handrail 6, fuel oil hair Motivation 2 is fixed in rack 1；Transmission system is made of cutter reciprocating cutting transmission chain and wheel walking transmission chain, cutter device It cuts to pieces to cut including one group of mowing row scissor, one group of stubble-cleaning row scissor, one and cut, the front lower portion of grass trimmer rack 1 is arranged in mowing row scissor, The front center of grass trimmer rack 1 is arranged in stubble-cleaning row scissor, cuts the upper front end for cutting and cutting and grass trimmer rack 1 being arranged in pieces；Cutter is past Transmission chain is cut again and wheel walking transmission chain jointly comprises fuel engines output shaft I, V belt a, transmission shaft II, chain B, sprocket wheel c, transmission shaft III, right end clutch 7, left end clutch 7 ', cutter reciprocating cutting transmission chain further include V belt e, Transmission shaft V and a crank and rocker mechanism, wheel walking transmission chain further includes sprocket wheel d, chain f and axletree IV；Right end clutch Spring 9 is equipped between device 7 and left end clutch 7 ', spring 9 is placed between right end clutch 7 and left end clutch 7 ', right end from Clutch 7 and left end clutch 7 ' are circumferentially fixed by key and the keyway on transmission shaft III, slide axially；Sprocket wheel c empty set is being driven On the spindle nose of axis III, and engaged with chain b, and engage or disengage with right end clutch；Sprocket wheel d empty set is in transmission shaft III On portion's spindle nose, and engaged with chain f, and engage or disengage with left end clutch；Crank and rocker mechanism is by crank 10,4 and of connecting rod Rocking bar 11 forms, and crank 10 is fixed on the spindle nose of transmission shaft V, and crank 10 and one end of connecting rod 4, rocking bar 11 are another with connecting rod 4 One end is made up of the hinges of rotary pair universal joint respectively, and rocking bar 11 constitutes consolidating for rotary pair with the bracket 301 in rack 1 Determine hinge, and hinge axis VI is rotated in company with 11 around hinge axis of rocking bar, the complete cycle rotary motion of transmission shaft V is converted into mowing by it The first movable blades 13 in row scissor cut middle activity and cut cutting blade 304 to pieces with cutting to pieces to cut with the second movable blades 13 ' in stubble-cleaning row scissor Reciprocally swinging；Mowing row scissor is made of several the first fixed blades 12 and several the first movable blades 13, and several One fixed blade, 12 side-by-side horizontal is fixed on the fixation blade row that mowing row scissor is formed in rack 1, several the first movable blades 13 It is connected to form the movable blade row of mowing row scissor side by side；Stubble-cleaning row scissor is by several the second fixed blades 12 ' and several the Two movable blades 13 ' are constituted, and several 12 ' side-by-side horizontals of the second fixed blade, which are fixed in rack 1, forms consolidating for stubble-cleaning row scissor Stationary knife row, several the second movable blades 13 ' are connected to form the movable blade row of stubble-cleaning row scissor side by side, fixed blade row and activity Blade row forms cutting tool line；It cuts to pieces to cut to cut and cutting blade 303 is cut to pieces by a fixation and an activity is cut cutting blade 304 to pieces and constituted, fixation is cut to pieces Cutting blade 303 is horizontally fixed in rack 1, and is located at the center of 1 width of rack；Mowing row scissor is equal with stubble-cleaning row scissor Row, and the front end of stubble-cleaning row scissor is located at before the front end of mowing row scissor；First group is equipped in the middle part of movable blade row in mowing row scissor 310 are pitched, the second shift fork 310 ' is equipped in the middle part of the movable blade row in stubble-cleaning row scissor, connects two yoke bars on hinge axis VI, wherein First yoke bar 302 is meshed with the first shift fork 310 on blade row movable in mowing row scissor, wherein the second yoke bar 307 with go out The second shift fork 310 ' in stubble row scissor on movable blade row is meshed, and activity is cut cutting blade to pieces and is fixed on hinge axis VI, and with rack 1 On fixation cut cutting blade 303 to pieces and form a pair and cut to pieces and cut scissors；One piece of vertical scraper plate 308 is connected on second yoke bar 307, is scraped vertically Plate 308 is located at the lower part that cutting blade 304 is cut in activity to pieces, and the straw for striking off stubble-cleaning row scissor top is considered to be worth doing；First in mowing row scissor The second movable blades 13 ' in movable blades 13 and stubble-cleaning row scissor are cut to pieces and cut that cutting blade 303 is cut in the fixation in cutting to pieces and cutter is cut in activity to pieces Piece 304 is isosceles triangle blade, and two waists are equipped with sawtooth, and sawtooth is cutting edge；The front end of rack 1 is equipped with involucrum 309, packet Shell 309 surrounds the end of cutter reciprocating cutting transmission chain, and transverse holes, mowing row scissor, stubble-cleaning row is arranged in the wall portion of involucrum 309 It cuts and cuts to pieces to cut to cut and stretched out except involucrum 309 by the transverse holes；Gear lever 8, gear lever 8 are equipped with by the handrail 6 at 1 rear portion of rack Axial distance or relative position between transformation right end clutch 7 and left end clutch 7 ', realization fuel engines starting operating, Cutter device movement, grass trimmer roll the movement switching of walking；Isosceles triangle activity is cut to pieces to be connected on the apex angle of cutting blade 304 One support rattan bar 306 asks the direction of advance of front end to the grass trimmer of rattan bar 306 sagging；309 front end of involucrum is equipped with an arc and presses rattan bar 305, pressure 305 rear end of rattan bar is connected and fixed the center cut to pieces above cutting blade 303, and front end is in the direction of advance of grass trimmer It sticks up.Height difference setting between stubble-cleaning row scissor and mowing row scissor is between 15cm；Cut the difference in height cut and cut between mowing row scissor to pieces It is arranged between 40cm；The front end distance that mowing row scissor is stretched out in the front end of stubble-cleaning row scissor is 15cm.In some embodiments, it cuts Device includes one group of mowing row scissor, and the front lower portion of rack is arranged in mowing row scissor；In some embodiments, cutter device includes The front lower portion of rack is arranged in one group of mowing row scissor and one group of stubble-cleaning row scissor, mowing row scissor, and rack 1 is arranged in stubble-cleaning row scissor Front center；In some embodiments, cutter device is cut to pieces to cut and be cut including one group of mowing row scissor and one, and mowing row scissor is arranged in machine The front lower portion of frame is cut to pieces to cut and cuts the upper front end that rack is arranged in.

Moving line when the utility model starting work is as shown in Fig. 2, and right end clutch 7 and sprocket wheel c are disengaged, fuel oil Engine output shaft I starting operating, moves by fuel engines output shaft I → V belt a → axis II → chain b → sprocket wheel c Dry run.

Moving line when the utility model cutter device works is as shown in Fig. 3, and right end clutch 7 is engaged with sprocket wheel c, Left end clutch 7 ' and sprocket wheel d are disengaged, movement by fuel engines output shaft I → V belt a → transmission shaft II → chain b → Sprocket wheel c → transmission shaft III → V belt e → transmission shaft V → crank 10 → connecting rod, 4 → rocking bar, 11 → hinge axis VI is divided into two Road, wherein the yoke bar 302 of hinge axis VI → first and 307 → the first shift fork 310 of the second yoke bar and the second shift fork 310 ' all the way → the first movable blades 13 and the second movable blades 13 ' make reciprocating cutting movement, and cutting blade is cut in another way hinge axis VI → activity to pieces 304 make reciprocating cutting movement.

The utility model running wheel rolling walking and the moving line that cutter device works at the same time are as shown in Fig. 4, right End clutch 7 is engaged with sprocket wheel c, while left end clutch 7 ' is engaged with sprocket wheel d, is moved by fuel engines output shaft I → tri- Cuticle band a → transmission shaft II → chain b → sprocket wheel c → transmission shaft III is divided into two-way, wherein the cuticle of transmission shaft III → tri- all the way Band e → transmission shaft V → 10 → connecting rod of crank, 4 → rocking bar, 11 → hinge axis VI → first movable blades 13 and the second movable blades 13 ' make reciprocating cutting movement, and hinge axis VI → activity cuts cutting blade 304 to pieces and makees reciprocating cutting movement, another way transmission shaft III → chain Movement is reached axletree IV and transmission shaft V by f, and running wheel 5 is made to roll walking.

When the utility model cutting lawns, vegetation root, one group of mowing row scissor is only installed in 1 front lower portion of rack；Cutting When rice wheat stalk, one group of mowing row scissor is installed in 1 front lower portion of rack, while installing one group in 1 front center of rack and cutting stubble row It cuts, 1 front center of rack cuts the broken straw cut apart from ground about 15cm high of batch row scissor, the mowing row scissor of 1 front lower portion of rack Cut the straw of root；When cutting weeds, tendril, one group of mowing row scissor is installed in 1 front lower portion of rack, while before rack 1 End top, which installs a pair and cuts to pieces to cut, cuts, the mowing row scissor cutting weeds of 1 front lower portion of rack, tendril root, 1 upper front end of rack Cut to pieces to cut to cut to cut to pieces and cut tendril, the winding of grass trimmer is hindered with excluding weeds, tendril, to realize the utility model a tractor serves several purposes Purpose.

Claims

1. a kind of stubble-cleaning cuts rattan grass trimmer, including rack (1), fuel engines (2), transmission system and cutter device to pieces, described Rack (1) bottom is equipped with axletree IV, and the both ends of axletree IV are equipped with running wheel (5), and the rear portion of rack (1) is equipped with handrail (6), fuel engines (2) is fixed on rack (1), it is characterised in that:

Front lower portion of the mowing row scissor setting in rack (1)；

Front center of the stubble-cleaning row scissor setting in rack (1)；

Described cuts the upper front end for cutting and cutting and being arranged in rack (1) to pieces.

2. a kind of stubble-cleaning according to claim 1 cuts rattan grass trimmer to pieces, it is characterised in that: the cutter reciprocating cutting transmission Chain and wheel walking transmission chain jointly comprise fuel engines output shaft I, V belt a, transmission shaft II, chain b, sprocket wheel c, pass Moving axis III, bidirectional clutch；The cutter reciprocating cutting transmission chain further includes V belt e, transmission shaft V and a crank Rocker device, the wheel walking transmission chain further includes sprocket wheel d, chain f and axletree IV；

The bidirectional clutch is made of right end clutch (7) and left end clutch (7 ') and spring (9), the spring (9) it is placed between right end clutch (7) and left end clutch (7 '), the right end clutch (7) and left end clutch (7 ') It is circumferentially fixed by key and the keyway on transmission shaft III, slide axially；

The sprocket wheel c empty set engages on the spindle nose of transmission shaft III, and with chain b, and engage with right end clutch (7) or It disengages；

The sprocket wheel d empty set engages on the middle part spindle nose of transmission shaft III, and with chain f, and connects with left end clutch (7 ') It closes or disengages.

3. a kind of stubble-cleaning according to claim 1 cuts rattan grass trimmer to pieces, it is characterised in that: the mowing row scissor is by several First fixed blade (12) is constituted with several the first movable blades (13), and several first fixed blades (12) are side by side It is horizontally fixed on the fixation blade row that mowing row scissor is formed on rack (1), several first movable blades (13) connect side by side It is integrally formed the movable blade row of mowing row scissor；The stubble-cleaning row scissor is by several the second fixed blades (12 ') and several Second movable blades (13 ') are constituted, and several second described fixed blade (the 12 ') side-by-side horizontals are fixed on shape on rack (1) At the fixation blade row of stubble-cleaning row scissor, several second movable blades (13 ') are connected to form stubble-cleaning row scissor side by side Movable blade row, the fixation blade row and the movable blade row form cutting tool line；It is described cut to pieces to cut to cut cut to pieces by a fixation Cutting blade (304) composition is cut in cutting blade (303) and an activity to pieces, and the fixation cuts cutting blade (303) to pieces and is horizontally fixed on rack (1) on, and it is located at the center of rack (1) width.

4. a kind of stubble-cleaning according to claim 2 cuts rattan grass trimmer to pieces, it is characterised in that: the crank and rocker mechanism is by song Handle (10), connecting rod (4), rocking bar (11) composition, the crank (10) are fixed on the spindle nose of transmission shaft V, crank (10) and company One end of bar (4), rocking bar (11) are made up of the hinges of rotary pair with the other end of connecting rod (4) universal joint respectively, described Rocking bar (11) and rack (1) constitute the fixed hinge of rotary pair, and hinge axis VI is in company with rocking bar (11) around hinge axis oscillating.

5. a kind of stubble-cleaning according to claim 3 or 4 cuts rattan grass trimmer to pieces, it is characterised in that: the activity of the mowing row scissor The first shift fork (310) are equipped in the middle part of blade row, the second shift fork (310 '), the hinge are equipped in the middle part of the movable blade row of the stubble-cleaning row scissor Two yoke bars are connected on chain rivet VI, wherein the first shift fork in the first yoke bar (302) and mowing row scissor on movable blade row (310) it is meshed, wherein the second yoke bar (307) is meshed with the second shift fork (310 ') on blade row movable in stubble-cleaning row scissor, The activity is cut cutting blade (304) to pieces and is fixed on hinge axis VI, and cuts cutting blade (303) composition to pieces with the fixation on rack (1) One pair, which is cut to pieces, cuts scissors.

6. a kind of stubble-cleaning according to claim 5 cuts rattan grass trimmer to pieces, it is characterised in that: on second yoke bar (307) One piece of scraper plate (308) is connected, scraper plate (308) is located at the lower part that cutting blade is cut in activity to pieces, for striking off the grass cuttings on broken stubble row scissor top.

7. a kind of stubble-cleaning according to claim 3 cuts rattan grass trimmer to pieces, it is characterised in that: first in the mowing row scissor is living The second movable blades (13 ') in cutting blade (13) and stubble-cleaning row scissor are cut to pieces and cut that cutting blade (303) is cut in the fixation in cutting to pieces and activity is cut to pieces Cutting blade (304) is isosceles triangle blade, and two waists are equipped with sawtooth, and the sawtooth is cutting edge.

8. a kind of stubble-cleaning according to claim 1 or 2 or 3 cuts rattan grass trimmer to pieces, it is characterised in that: before the rack (1) End is equipped with involucrum (309), and the involucrum (309) surrounds the end of cutter reciprocating cutting transmission chain, and the wall in involucrum (309) Transverse holes are arranged in portion, and mowing row scissor, stubble-cleaning row scissor and cutting to pieces cuts to cut is stretched out except involucrum (309) by the transverse holes.

9. a kind of stubble-cleaning according to claim 1 or 2 cuts rattan grass trimmer to pieces, it is characterised in that: rack (1) rear portion is helped It is equipped with gear lever by hand (6), gear lever converts axial distance between right end clutch (7) and left end clutch (7 ') and relatively Position.

10. a kind of stubble-cleaning according to claim 7 cuts rattan grass trimmer to pieces, it is characterised in that: the isosceles triangle activity is cut to pieces A support rattan bar (306), advance of the front end of the support rattan bar (306) to grass trimmer are connected on the apex angle of cutting blade (304) Direction is sagging.

11. a kind of stubble-cleaning according to claim 8 cuts rattan grass trimmer to pieces, it is characterised in that: described involucrum (309) front end is set There is an arc to press rattan bar (305), described arc pressure rattan bar (305) rear end, which is connected and fixed, cuts the center of cutting blade (303) above to pieces Position, front end are upwarped to the direction of advance of grass trimmer.

12. a kind of stubble-cleaning according to claim 1 cuts rattan grass trimmer to pieces, it is characterised in that: the cutter device includes one Group mowing row scissor, front lower portion of the mowing row scissor setting in rack (1).

13. a kind of stubble-cleaning according to claim 1 cuts rattan grass trimmer to pieces, it is characterised in that: the cutter device includes one Group mowing row scissor and one group of stubble-cleaning row scissor；Front lower portion of the mowing row scissor setting in rack (1)；The stubble-cleaning row scissor Front center in rack (1) is set.

14. a kind of stubble-cleaning according to claim 1 cuts rattan grass trimmer to pieces, it is characterised in that: the cutter device includes one Group mowing row scissor and one cut to pieces to cut and cut, front lower portion of the mowing row scissor setting in rack (1)；It is described cut to pieces to cut cut setting Upper front end in rack (1).

15. a kind of stubble-cleaning described according to claim 1 or 3 or 13 cuts rattan grass trimmer to pieces, it is characterised in that: the mowing row scissor It is parallel with stubble-cleaning row scissor, and the front end of stubble-cleaning row scissor is located at before the front end of mowing row scissor.

16. a kind of stubble-cleaning described according to claim 1 or 3 or 13 or 14 cuts rattan grass trimmer to pieces, it is characterised in that: the stubble-cleaning row The height difference setting between mowing row scissor is cut between 10~20cm, the difference in height cut between mowing row scissor is cut in described cutting to pieces It is arranged between 35~45cm.

17. a kind of stubble-cleaning according to claim 15 cuts rattan grass trimmer to pieces, it is characterised in that: stretch the front end of the stubble-cleaning row scissor The front end distance of mowing row scissor is greater than 10cm, is less than 20cm out.