CN101606450A - Rotary tillage stubble burying side ditcher - Google Patents
Rotary tillage stubble burying side ditcher Download PDFInfo
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- CN101606450A CN101606450A CNA2009101596321A CN200910159632A CN101606450A CN 101606450 A CN101606450 A CN 101606450A CN A2009101596321 A CNA2009101596321 A CN A2009101596321A CN 200910159632 A CN200910159632 A CN 200910159632A CN 101606450 A CN101606450 A CN 101606450A
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- coulter shaft
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Abstract
A kind of rotary tillage stubble burying side ditcher.The coulter shaft of rotary tillage stubble burying side ditcher connects by the reduction gear box of convertible coulter shaft positive and reverse steering and the power set of tractor, be equipped with rotary blade on the coulter shaft, feature is, at least one end of described coulter shaft is provided with in order to connect the coupling mechanism of cutter axis, forms side ditcher behind the assembling cutter-head of machine for making furrows on the cutter axis.The coupling mechanism of the cutter axis of prioritization scheme is the conical male female plug structure of meeting sb. at the airport, and interior end is a spline, and there is locking nut the outer end.The present invention only needs simple adjustment and increases the function that a small amount of part accessory can obtain to bury stubble, trench digging and other purposes on the basis that guarantees original rotovator function.The cutter axis easy accessibility helps in time adjusting different purposes and convenient walking and maintenance, saves farming season, has reduced peasant's the machine of purchasing cost simultaneously significantly.
Description
Technical field
The invention belongs to agricultural mechanical field, be specifically related to a kind of stubble (straw-returning) machine that buries that expands to purposes such as rotary tillage, trench digging, and the syndeton of rotovator coulter shaft and cutter axis (or being called the axis of elongation) and the reduction gear box that can regulate the coulter shaft positive and reverse steering.
Background technology
The existing farmland rotovator that is articulated in the tractor rear portion, be to be extensive use of historical very long type in the agricultural machinery, its structure and operation principle are: the power of tractor is through bevel-gear sett (i.e. a drive bevel gear and a driven wheel of differential) and several roller gear transmission, the rotary blade that drives the coulter shaft below rotate backward (just changeing) the soil chopping is ploughed.
The major defect of this rotovator is a function singleness, can only be used for the fewer field piece of stalk, imbed farmland in the soil to the face of land there being a lot of paddy and wheat stalks, the peasant also needs to purchase in addition stubble (straw-returning) machine that buries of counter-rotating, the main difference part of this stubble burying machine and rotovator is that the driven wheel of differential in its reduction gear box is contained in the opposite side of drive bevel gear, thereby makes the rotary plow cutter shaft make backward rotation to play the effect of rotary tillage stubble burying.Rotary tillage stubble burying finishes the back peasant and buy ditching machine again again when needs is ditched, ditching machine existing and that large sized tractor (about 50KW) is supporting also has history for many years, its structure principal character is: a trench digging cutterhead is arranged in the framework of ditching machine, be assemblied in the centre at tractor rear portion, rotate backward (just changeing) cutting soil and hack shed backward of blade, there is an earth-cleaning shovel at the rear of cutterhead, with surflaes in the cleaning ditch.Its shortcoming is: 1, once can only open Yi Tiaogou.Because the restriction of cutterhead rotating speed and tractor travel speed, ditching machine operation pace should not be greater than 50 meters/minute, soil block that ditching machine cuts too slightly is unfavorable for covering and the problem of the linearity difference of ditching otherwise can produce, and only need power about 10KW at the speed below 50 meters/minute trench digging, there are energy waste and shortcoming of poor benefits for the big-power tractor about 50KW; 2, furrow width is not easy to regulate.Because cutter-head of machine for making furrows is arranged on the middle at tractor rear portion, the place ahead has the barrier of tractor formation and driver's safety problem to be not easy to the soil of throwing forward, so the trench digging cutterhead can only just change (being the rotation backward of cutterhead below) cutting and shed soil block backward, stagnate in the ditch of having held successfully for eliminating the soil block of shedding backward, the cutter-head of machine for making furrows rear must be provided with earth-cleaning shovel, again because the earth-cleaning shovel width be difficult to cutterhead on the width and the furrow width that cuts of ditching knife sheet assembling identical, during less than the furrow width ditch depth, the surflaes in the ditch can not clean up influences draining at earth-cleaning shovel; Again can generation when earth-cleaning shovel is wider than ditch shape or is offset to a side of ditch and the shovel of furrow bank or bottom of trench scrape resistance, so earth-cleaning shovel must have bigger rigidity and width unadjustable, it is not too convenient that the existence of earth-cleaning shovel just makes furrow width regulate, and China is vast in territory, and various places require different to furrow width.About 15 centimetres, Lianyun Harbour and area, Anhui are fit to the furrow width more than 25 centimetres as the furrow width of Jiangsu, Nantong Area, and the ditching machine of prior art is difficult to satisfy the needs of the different furrow widths in various places; 3, earth-cleaning shovel also can be deposited in the surflaes that shovels out two edges of ditch, influences the smooth of field furrow and hinders water down; 4, because the existence of earth-cleaning shovel makes the ditching machine price about 3800 yuan, the about 300KG of weight.At present peasant household will purchase neat rotary tillage, buries stubble, three kinds of agricultural machinery of trench digging will pay more than 10,000 yuan, and it is time-consuming relatively to require great effort when changing.
Summary of the invention
The objective of the invention is: provide a kind of can clockwise rotary tillage again can reversal stubble burying and the multi-functional supporting agricultural machinery of trench digging, help the peasant and carry out different farmland operations; Reduce significantly and purchase the machine cost; The convenient installation saved farming season.Improve the trench digging effect, and adapt to different regions trench digging agronomy demand.The present invention also will provide the reduction gear box of convertible coulter shaft positive and reverse steering on this multi-functional rotovator and the connecting method that can assemble the cutter-head of machine for making furrows axle.
The 1st scheme finishing the object of the invention is:
A kind of rotary tillage stubble burying side ditcher, coulter shaft connects by the power set of reduction gear box and tractor, be equipped with rotary blade on the coulter shaft, it is characterized in that, at least one end of described coulter shaft (preferably simultaneously at two ends, the left and right sides) is provided with in order to connect the coupling mechanism of cutter axis (axis of elongation), is equipped with the trench digging cutterhead on the cutter axis.Form the side ditcher that can ditch in one or both sides after loading onto cutterhead.
Described coupling mechanism in order to the connection cutter axis is the male and female connected structure:
At least one end of described coulter shaft (preferably simultaneously at two ends, the left and right sides) is provided with hollow tube-shape section (female axle); Identical outstanding axles (public axle) such as that the connecting end of preparing the cutter axis that connects with it is provided with is close with this hollow tube-shape section inner chamber equal length, diameter and shape; Be provided with key and locking positioning pin between the two;
Prioritization scheme is: the shape that cutter axis and coulter shaft connect is the little taper shape of outer imperial palace, and the inner conicle end of cutter axis is a spline, on the cutter axis of big conical end step is arranged; The locking nut string is enclosed within outside the step, and locking nut internal screw thread and coulter shaft steel pipe cylindrical thread match, and cutter axis is axially compressed in the coulter shaft steel pipe.
Need to prove: rotary tillage stubble burying side ditcher of the present invention, as long as be provided with in order to connect the coupling mechanism of cutter axis, can constitute new product in the one or both ends of coulter shaft, under the situation that does not dispose any cutter axis, can sell separately.And the cutter axis that cooperates with it can also comprise cutter axis and on cutter-head of machine for making furrows or the gear-box of above-described convertible coulter shaft rotating, can distinguish and constitute product separately, sell separately.But all belong to technical scheme of the present invention.
The 2nd scheme finishing the object of the invention is:
A kind of rotary tillage stubble burying side ditcher, device has the reduction gear box that coulter shaft can be transformed to forward or reverse, be provided with bevel-gear sett in the casing, it is characterized in that, on the driven wheel of differential axle in the described reduction gear box two relative driven wheels of differential are arranged, a roller gear is arranged in the middle of two driven wheels of differential, described two driven wheels of differential all mesh with its middle drive bevel gear, and all can on driven shaft, freely rotate again, when drive bevel gear is rotated, these two driven wheels of differential are done the rotation of relative different directions, at upper gear case's top cover or gear-box rear portion a shifting fork mechanism is set, stir roller gear in the middle of the driven shaft by shift fork and make itself and the tooth embedding engagement of the driven wheel of differential of a side, can make the realization just commentaries on classics of rotary plow cutter shaft rotary tillage or reversal stubble burying and trench digging.
When expanding ditching machine, the present invention also has following prioritization scheme:
Described cutter-head of machine for making furrows and even native cutter shaft pipe can not reverse with cutter axis employing key or pin etc. but can move axially the fixed form of adjusting, the centre distance that can regulate cutterhead and tractor easily;
Also be provided with even native broach shell pipe on the axle of described cutter-head of machine for making furrows both sides, even native cutter is arranged on the sleeve pipe, and should spare and adopt removable mounting means between native cutter and the cutter-head of machine for making furrows, described even native cutter can adopt rotary blade.Its function is to eliminate the long-pending soil on the ditch dual-side edge of being left, and even native broach shell control makes several sections different length, is assemblied in trench digging cutterhead both sides, and the even native broach shell pipe of transposing different length can be regulated cutter axis to distance at the rigging position of cutterhead both sides.
The prioritization scheme that the present invention expands to the reversal stubble burying machine is: the rear cross beam of rotovator framework is improved, get out of the way counter-rotating soil block passage of impelling backward during rotary tillage, and be provided with pectination and block batch grid, make stalk, the root stubble is blocked batch grid blocking and soil block can be dished out from the grid neutral, to reach the effect of burying stalk, root stubble.
Advantage of the present invention is:
One, adaptability is good, purposes is wide.
(1) at first fully guaranteed the function of rotovator.Rotovator is to use maximum types in the agricultural machinery, and dismounting is the cutter axis (axis of elongation) at coulter shaft two ends down, be exactly one with the identical product of common rotovator function, can not bring to be unfavorable for rotary tillage and to be not easy to problem such as walking;
(2) when needs such as ditch at operation, cutter axis is connected fasteningly with coulter shaft, loads onto accessories such as trench digging cutterhead and earth separation plate, stir shifting fork mechanism again, can realize that ditching operation is carried out in the adjusting of the reverse directions of coulter shaft;
(3) because cutterhead of the present invention rear does not have the restriction of earth-cleaning shovel, the axial distance that only needs to regulate the blade on the cutterhead can obtain different furrow widths, can adapt to the different needs in various places;
(4) owing to be the side trench digging, be applicable to the area of ditch being reached balk; It can also adapt to the needs of roadside ditching tubing, has enlarged the scope of application;
(5) because there is even native cutter the cutterhead both sides, so can eliminate the low bank of earth between fields of ditch dual-side along last accumulation;
(6) soft or only need the lighter field of load of shallow rotary tillage at soil, can also on coulter shaft, assemble the lengthening coulter shaft (axis of elongation) that has Rotary tillage blade, make its rotovator that is expanded into a big wide cut, with power and the raising effect that makes full use of tractor.
Two, simple in structure, adjusting is installed and change function very convenient.
(1) when needs are just changeing rotary tillage or reversal stubble burying and trench digging,, can realize the adjusting of the rotating direction of coulter shaft easily as long as stir commutation shifting fork mechanism on the reduction gear box.When needs carry out operation that reversal stubble burying buries stalk, only need operation shift fork handle, and coulter shaft oppositely assembled, the cutting edge that makes Rotary tillage blade from the below forward rotary cut soil can obtain the function of reversal stubble burying.
(2) part of ditching machine is a loose mail, is convenient to people carrying, construction, and is more laborsaving and make things convenient for manyly than the ditching machine of changing an integral body, is fit to present peasant's division of land among peasants to "go it alone", reality that staff is few.
Three, economic benefit height.
(1) saved the cost of buying agricultural machinery significantly.Rotary tillage, bury stubble, these every in three kinds of agricultural machinery of ditching need more than 3,000 yuan approximately, buy neat these three kinds of agricultural machinery and add up to and want more than 10,000 yuan.And multifunctional rotary tillage stubble burying side ditcher of the present invention only needs to increase heavily about more than 100 kilograms accessory, increases about 2,000 yuan of cost, will save the closely cost of half than buying complete three agricultural machinery.
(2) ditching machine of prior art band earth-cleaning shovel, because the soil harmony is squeezed between earth-cleaning shovel and cutterhead, the duty ratio of trench digging is bigger, and cutter-head of machine for making furrows of the present invention rear does not have earth-cleaning shovel, the trench digging load is low weight, the general 10KW left and right sides power that only needs is loaded onto two cutterhead trench diggings, once can open Liang Tiaogou, the large sized tractor power utilization rate about 50KW of having solved is low, the problem of waste oil plant, and can improve double trench digging effect, and saved farming season, improved the benefit of each side.
Description of drawings
Fig. 1 is the structure chart from the embodiment 1 shown in the back apparent direction of tractor;
Fig. 2 is corresponding from the partial structurtes figure shown in the tractor right direction with Fig. 1;
Fig. 3 is and the corresponding sectional structure chart of overlooking the convertible positive and reverse steering of reduction gear box shown in the direction from the rotovator reduction gear box of Fig. 1;
Fig. 4 is a sectional structure chart of overlooking the embodiment 2 of the convertible positive and reverse steering of reduction gear box shown in the direction from the rotovator reduction gear box;
Fig. 5 is the structure chart of coulter shaft and the conical bindiny mechanism of cutter axis;
Fig. 6 is the prioritization scheme structure chart of another kind of cutter axis.
Embodiment
Below in conjunction with accompanying drawing embodiment is elaborated:
Rotary tillage stubble burying side ditcher of the present invention, Fig. 1 are the structures from the embodiment 1 shown in the back apparent direction of tractor: Fig. 1: 1, reduction gear box, 2, coulter shaft, 3, locknut, 4, cutter axis, 5, the rotovator framework, 6, earth separation plate support, 7, the shift fork handle, 8, vault head, 9, connecting bolt, 10, block batch grid, 11, the trench digging cutterhead, 12, rotary blade, 13, earth separation plate, 14, even native broach shell pipe, 15, nut.
The top of Fig. 1 rotovator reduction gear box 1 is provided with a shift fork handle 7, coulter shaft 2 is circular tube structures, the conicle end of its inwall is provided with internal spline, cutter axis 4 is inserted in the conical pipe of coulter shaft 2, its conicle tail end section is and the corresponding external splines of coulter shaft 2 round tube inner walls, to guarantee to transmit moment of torsion.This section spline cross sectional shape can also have step on the cutter axis of big conical end with many prismatics, square or other not rotatable shape; Locking nut 3 strings are enclosed within outside the step, and locking nut 3 internal screw threads and coulter shaft steel pipe 2 cylindrical threads match, and cutter axis 4 is axially compressed in coulter shaft 2 steel pipes, and cutter axis 4 and coulter shaft 2 steel pipes are closely cooperated.Locking nut 3 outsides are even native broach shell pipes 14, and oppositely unscrewing locking nut 3 can will spare native broach shell pipe 14 outside roof pressures, locked by nut 15 with trench digging cutterhead 11 owing to spare native broach shell pipe 14, thereby cutter axis 4 is withdrawed from from coulter shaft 2 taper holes.Coulter shaft 2 ends can be in rotovator framework 5 inboards, or it is concordant, preferably stretch out rotovator framework 5 outer segment distances, if coulter shaft 2 two ends are filled circles, this section shaft extension can be gone out rotovator framework 5 outsides one segment length, 4 of cutter axis adopt the tubular type structure, and cover is inserted on the coulter shaft 2 of stretching out outside the rotovator framework 5, and its cross sectional shape still can adopt foregoing various structure; After locking nut 3 screws, cutter axis 4 axially can be compressed into the inwall tapered sleeve of coulter shaft 2, thereby be made radially tight fit of cutter axis 4 and coulter shaft 2 inwalls; Load onto earth separation plate 13 on rotovator both sides rotovator framework 5, will spare native broach shell pipe 14 and put cutter axis 4, the cutterhead 11 of will ditching again puts cutter axis 4, uses nut 15 fastening good then, to form side ditcher.
Blade on the cutterhead 11 has the adjusting and the tightening mechanism of cutting furrow width, can be adjusted to correct position according to the different furrow width needs blade of will ditching, and use the screw tightening.
By shift fork handle 7 roller gear 21 in the reduction gear box 1 is meshed with counter-rotational driven wheel of differential 26 tooth embeddings, thereby make coulter shaft 2 be adjusted into backward rotation, can carry out ditching operation.
The earth separation plate support 6 of earth separation plate 13 belows can move axially and lateral adjustments with trench digging cutterhead 11 among Fig. 1, to adapt to the needs of different ditch distances.Screw on the support is used for the distance after tightening is regulated.
Fig. 2 is corresponding from the partial structurtes figure shown in the tractor right direction with Fig. 1;
Tractor is forwards walked along arrow A among the figure, tractor driving wheel 6 rotates along arrow B direction positive direction, the shift fork handle 7 that is provided with on the rotovator reduction gear box is stirred to the left, 4 of coulter shaft 2 and cutter axis become running in the other direction, ditch cutterhead 11 along arrow C direction counter-rotation this moment, and Rotary tillage blade 12 is too according to running in the other direction.
Fig. 3 is the plan cross-section structure chart that shift fork handle hinge is arranged on the reduction gear box rear portion;
Respectively be provided with a driven wheel of differential 26 about on the driven wheel of differential axle 24 in the reduction gear box 1, in the middle of two driven wheels of differential 26 roller gear 21 is arranged, two driven wheels of differential 26 all mesh with drive bevel gear 25, and all can on driven shaft 24, freely rotate again, roller gear 21 adopts spline to connect with driven shaft 24, driven shaft 24 is provided with steel ball and spring 23, roller gear 21 inner peripheral surfaces are provided with twice locating slot 22, and can on driven shaft 24, move axially, when drive bevel gear 25 is rotated, these two driven wheels of differential 26 are done the rotation of relative different directions, roller gear 21 two sides and two driven wheel of differential 26 end faces corresponding with it are equipped with tooth embedding 27, when needing to switch the rotation direction of coulter shaft 2, stir the shift fork handle 7 on the shifting fork mechanism that is arranged on the reduction gear box 1, roller gear 21 that U-shaped shift fork 20 is about to be clipped in the middle of it meshes with the tooth embedding of the driven wheel of differential 26 of a side, simultaneously spring springs into steel ball 23 location in the locating slot 22 of adjacent this side, can make coulter shaft 2 make positive direction or counter-rotation.
Fig. 4 is that cutaway view is looked on the right side that is arranged on the embodiment 2 of the prioritization scheme on the gear box cover with the corresponding shifting fork mechanism of Fig. 2;
Among the figure: 1, reduction gear box, 7, the shift fork handle, 20, shift fork, 21, roller gear, 27, the tooth embedding, 28, driving shaft, 29, gear box cover, 30, idler gear, 31, the coulter shaft gear.Among the figure, shifting fork mechanism is arranged on the gear box cover 29, shift fork handle 7 is positioned at the rear portion of reduction gear box 1, shift fork 20 on the shifting fork mechanism is the U shape and clamps roller gear 21, stir shift fork handle 7, can make shift fork 20 stir roller gear 21 to a side shifting, when the tooth embedding 27 of roller gear 21 with after tooth embedding on the corresponding driven wheel of differential 26 of one side is meshed, spring 23 on the driven shaft is pressed into steel ball in the locating slot 22 on roller gear 21 inner peripherys, and driving shaft 28 promptly drives drive bevel gear 25, driven wheel of differential 26, roller gear 21, driven shaft 24 and idler gear 30, coulter shaft gear 31 and coulter shaft 2 runnings.
Fig. 5 is the partial enlarged drawing of conical bindiny mechanism among Fig. 1, when locking nut 3 was compressed into coulter shaft 2 steel pipe inwalls with cutter axis 4 by the step of big conical end after, the holding screw 16 on the locking nut 3 can be screwed in the pit on the coulter shaft steel pipe 2 and to unclamp preventing locking nut 3 is fixing.
Fig. 6 is the another kind of embodiment of conical bindiny mechanism, step among the figure on the cutter axis 4 is fixedlyed connected with cutter axis 4 with a stirrup 19 and is made, there are packing ring 17 and circlip 18 in the nut outside, and this structure to be reducing cutter axis 4 manufacturing costs, and helps dismantling cutter axis 4.
The reduction gearing box assembly that can regulate the coulter shaft rotating in the present embodiment can utilize existing gear housing assembling, and bevel gear and roller gear all are to use existing general part, only need to be provided with on gear box cover shifting fork mechanism; Coulter shaft also only need be changed a social system bindiny mechanism in the end, perhaps changes coulter shaft and gets final product.Also need to prove among the present invention the rear cross beam of rotovator framework is upwards raised, be to get out of the way the native passage of throwing to obtain preferably to bury the prioritization scheme of batch effect, also can still adopt existing general rotovator framework, as long as the coulter shaft counter-rotating still can reach and bury batch effect preferably or carry out ditching operation.Therefore, manufacturing process is fairly simple, and cost is low, and be fit to large-scale production and promote the use of, and user-friendly maintenance.
Claims (10)
1, a kind of rotary tillage stubble burying side ditcher, the rotovator framework is provided with coulter shaft and reduction gear box, coulter shaft connects by the power set of reduction gear box and tractor, be equipped with rotary blade on the coulter shaft, it is characterized in that, at least one end of described coulter shaft is provided with in order to connect the coupling mechanism of cutter axis, this mechanism is a conical male female plug access node structure, terminal with the female interior pipe of coulter shaft in the conical minor diameter place of public cutter axis adopts not rotatable cross section to cooperate, and there is step outer end, conical major diameter place; The locking nut string of coulter shaft outer end is enclosed within the step outside of cutter axis, and the steel pipe cylindrical thread of the internal screw thread of locking nut and coulter shaft matches.
2, rotary tillage stubble burying side ditcher according to claim 1 is characterized in that, terminal with the female interior pipe of coulter shaft in the conical minor diameter place of the cutter axis of the public affairs of the conical male female plug access node structure of described cutter axis adopts spline fitted.
3, rotary tillage stubble burying side ditcher according to claim 1 is characterized in that, the trench digging cutterhead is assemblied on the cutter axis, and the cutterhead top is provided with earth separation plate, constitutes the side ditcher that there is cutterhead in the rotovator framework outside.
4, rotary tillage stubble burying side ditcher according to claim 1 is characterized in that, described locking nut excircle or lateral surface are provided with hole or the groove of being convenient to tightening.
5, rotary tillage stubble burying side ditcher according to claim 1 is characterized in that, the driven shaft of the driven wheel of differential in the described reduction gear box is provided with two relative and driven wheels of differential free to rotate, all meshes with drive bevel gear; On the driven shaft of two driven wheel of differential centres a roller gear is arranged, on driven shaft, can move axially; Roller gear both ends of the surface and two corresponding with it inner side ends of driven wheel of differential are provided with the tooth embedding, shifting fork mechanism with roller gear stir with the driven wheel of differential of either side near the time, the tooth embedding of roller gear one end promptly with the tooth embedding engagement of this side driven wheel of differential.
6, rotary tillage stubble burying side ditcher according to claim 5 is characterized in that, described shifting fork mechanism is arranged on the gear box cover.
7, rotary tillage stubble burying side ditcher according to claim 5 is characterized in that, the hinge of described shifting fork mechanism is arranged on the casing rear side of reduction gear box.
According to claim 5 and 6 and 7 described rotary tillage stubble burying side ditchers, it is characterized in that 8, the driven end of described shifting fork mechanism is a U-shaped chuck, the U-shaped chuck rotates with vertical shaft, gear box cover is protruded in the vertical shaft upper end, and connects with the shift fork handle, and roller gear is arranged in the neutral gear of U-shaped chuck.
9, according to claim 1 and 3 described rotary tillage stubble burying side ditchers, it is characterized in that, but there is the earth separation plate support of lateral adjustments distance cutterhead top, earth separation plate below.
10, according to claim 1 and 9 described rotary tillage stubble burying side ditchers, it is characterized in that the rear cross beam of rotovator framework is higher than the front beam of rotovator framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101596321A CN101606450A (en) | 2009-07-25 | 2009-07-25 | Rotary tillage stubble burying side ditcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101596321A CN101606450A (en) | 2009-07-25 | 2009-07-25 | Rotary tillage stubble burying side ditcher |
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| CN101606450A true CN101606450A (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101596321A Pending CN101606450A (en) | 2009-07-25 | 2009-07-25 | Rotary tillage stubble burying side ditcher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231902A (en) * | 2013-05-08 | 2013-08-07 | 重庆大学 | Power receiving mechanism arranged on fixed conveyor |
| CN107155412A (en) * | 2017-07-03 | 2017-09-15 | 江苏新岛机械有限公司 | A kind of big tilling depth intermediate gearing rotary ploughing machine |
| CN107155421A (en) * | 2017-06-15 | 2017-09-15 | 富平县果树研究推广中心 | A kind of Multifunctional orchard management machine |
| CN108521910A (en) * | 2018-03-30 | 2018-09-14 | 蚌埠市腾宇水产养殖农民专业合作社 | A kind of rotary cultivator facilitated in agricultural greenhouse |
| CN111570034A (en) * | 2020-05-08 | 2020-08-25 | 中国重型机械研究院股份公司 | Acid continuous rolling edge-crushing scissor head assembly, edge-crushing scissors and method |
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2009
- 2009-07-25 CN CNA2009101596321A patent/CN101606450A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231902A (en) * | 2013-05-08 | 2013-08-07 | 重庆大学 | Power receiving mechanism arranged on fixed conveyor |
| CN107155421A (en) * | 2017-06-15 | 2017-09-15 | 富平县果树研究推广中心 | A kind of Multifunctional orchard management machine |
| CN107155412A (en) * | 2017-07-03 | 2017-09-15 | 江苏新岛机械有限公司 | A kind of big tilling depth intermediate gearing rotary ploughing machine |
| CN108521910A (en) * | 2018-03-30 | 2018-09-14 | 蚌埠市腾宇水产养殖农民专业合作社 | A kind of rotary cultivator facilitated in agricultural greenhouse |
| CN111570034A (en) * | 2020-05-08 | 2020-08-25 | 中国重型机械研究院股份公司 | Acid continuous rolling edge-crushing scissor head assembly, edge-crushing scissors and method |
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Application publication date: 20091223 |