CN108142118A - A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal - Google Patents

A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal Download PDF

Info

Publication number
CN108142118A
CN108142118A CN201711211309.5A CN201711211309A CN108142118A CN 108142118 A CN108142118 A CN 108142118A CN 201711211309 A CN201711211309 A CN 201711211309A CN 108142118 A CN108142118 A CN 108142118A
Authority
CN
China
Prior art keywords
noise reduction
crush box
gear
horizontal pole
damping noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711211309.5A
Other languages
Chinese (zh)
Inventor
何辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xiang Xun Enterprise Management Co Ltd
Original Assignee
Hunan Xiang Xun Enterprise Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Xiang Xun Enterprise Management Co Ltd filed Critical Hunan Xiang Xun Enterprise Management Co Ltd
Priority to CN201711211309.5A priority Critical patent/CN108142118A/en
Publication of CN108142118A publication Critical patent/CN108142118A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/02Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
    • A01F29/04Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis with feeding direction transverse to axis
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09Details
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09Details
    • A01F29/095Mounting or adjusting of knives

Abstract

The invention discloses a kind of agricultural stalk reducing mechanisms with damping noise reduction pedestal, including crush box, rack, damping noise reduction pedestal and pretreatment box, rotation is provided with rotation montant in crush box, rotate crushing knife there are three being symmetrically fixedly installed on the excircle of montant, rotating horizontal pole A and rotating horizontal pole B are respectively equipped between two neighboring crushing knife, rotating horizontal pole A and rotating horizontal pole B are rotatably arranged on by bearing connection mode on the side plate of crush box, several crushing tooth A are fixedly installed on the excircle of rotating horizontal pole A and rotating horizontal pole B, several crushing tooth B are uniformly fixedly installed positioned at the lower surface of the crushing knife in rotation montant bottom cylindrical week, the bottom of crush box is erected at by damping noise reduction pedestal in rack.The configuration of the present invention is simple, it is easy to use, stalk can fully be crushed, good crushing effect, while there is good damping effect, low noise is suitble to promote the use of.

Description

A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal
Technical field
The present invention relates to a kind of reducing mechanism, specifically a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal.
Background technology
According to the difference of agricultural production object, agricultural is divided into planting industry, animal husbandry, forestry, fishery and sideline production.World master Areal type of agriculture is wanted, substantially adheres to animal husbandry and planting industry separately;In some cases, peasant manages kind simultaneously on oneself field Industry and animal husbandry are planted, such agricultural is known as mixed farming.Stalk be crops principal by product and industrial or agricultural it is important Living resources, agricultural crop straw contain abundant nutrition, can be used as fertilizer, feed, life fuel and the raw material of work sideline production production Deng referred to as " four material ".
It in agricultural production, generally requires to crush stalk, be utilized in order to the following process of stalk.It is however existing Agricultural straw breaker it is inconvenient to use, crushing effect is poor, efficiency vibrations that are low, and being generated in reducing mechanism operation process Influence the service life of equipment.
Invention content
It is above-mentioned to solve the purpose of the present invention is to provide a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical solution:
A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal, including crush box, rack, damping noise reduction pedestal and pre- place Case is managed, is rotated in the crush box and is provided with rotation montant;There are three being symmetrically fixedly installed on the excircle of the rotation montant Crushing knife;It is provided with to drive the first of rotation montant rotation to crush motor on the top plate of the crush box;Two neighboring institute It states and is respectively equipped with rotating horizontal pole A and rotating horizontal pole B between crushing knife;The rotating horizontal pole A and rotating horizontal pole B are connected by bearing The mode of connecing is rotatably arranged on the side plate of crush box;The outer end of the rotating horizontal pole A is installed with gear A;The rotation is horizontal The end of bar B is fixedly installed gear B;Electric machine support is fixedly installed on the side plate outer wall of the crush box, on electric machine support The second crushing motor is installed with, gear C is provided on the output shaft of the second crushing motor;Between the gear A and gear B It is sequentially connected by gear engagement system, is sequentially connected between gear B and gear C by gear engagement system;The rotation is horizontal Several crushing tooth A are fixedly installed on the excircle of bar A and rotating horizontal pole B;Positioned at the crushing in rotation montant bottom cylindrical week The lower surface of knife is uniformly fixedly installed several crushing tooth B;The top plate both sides of the crush box are equipped with pretreatment box, pretreatment The side of case is equipped with feed inlet, and the inner wall of pretreatment box is welded with one group of shear arm, is rotatably assorted and is connected on pretreatment box Spin axis is equidistantly vertically welded with the shearing wheel with cutting head in spin axis in an axial direction;The lower section of the pretreatment box is equipped with and powder What broken case was connected crosses ferry;The bottom of the crush box is erected at by damping noise reduction pedestal in rack;The damping drop Pedestal of making an uproar includes supporting slider, stop sleeve, sliding block, spring and sound-absorbing cotton balls, and wherein stop sleeve is fixed at rack Top, sliding block are slided up and down set on the inside of stop sleeve, and the top of supporting slider is fixedly connected with the bottom of crush box, support Through being fixedly connected with a slide block after the guiding slide opening opened up on stop sleeve top plate, spring is placed in support for the basal sliding of slide bar Bottom in sleeve, sound-absorbing cotton balls are filled between the gap of spring.
Preferably, it described first crushes between the output shaft of motor and the top of rotation montant through shaft coupling driving company It connects.
Preferably, the gear A, gear B and gear C three are located on same vertical direction and set.
Preferably, the box cavity lower section fixed frame that crushes is equipped with the sieve set in horizontal direction, and sieve is equal for surface Cloth processes meshed mesh-plate structure.
Preferably, pass through bearing connection mode between the bottom end of the rotation montant and sieve middle part upper surface and rotate company It connects.
Preferably, the intracavity bottom of the crush box is obliquely installed in intermediate low both ends are high, the inner cavity bottom end of crush box Middle part is provided with and communicated with discharge gate, and blow-off valve is provided on discharge gate.
Preferably, the tip of the crushing tooth B is set downward.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention carries out preliminary treatment using shearing wheel to the stalk in pretreatment box, rotates montant later and drives crushing knife rotation Lateral crushing is carried out to the stalk entered in crush box, and the rotating horizontal pole A and rotating horizontal pole B that rotate can drive crushing tooth A Feed is vertically crushed, good crushing effect, wherein the steering of rotating horizontal pole A and rotating horizontal pole B are on the contrary, further improve The crushing effect of stalk;Stalk material after fully crushing by entering the intracavity bottom of crush box after the mesh on sieve, And it is discharged by discharge gate;The setting of spring can play whole device good damping, buffering effect, and sound-absorbing cotton balls energy It is enough effectively to absorb the friction noise that spring generates in contraction process, not only good damping effect, but also effectively reduce noise.To sum up Described, whole device is simple in structure, easy to use, stalk fully can be crushed, good crushing effect, while has good Damping effect, low noise is suitble to promote the use of.
Description of the drawings
Fig. 1 is the structure diagram of the agricultural stalk reducing mechanism with damping noise reduction pedestal.
Fig. 2 is the structure diagram of the agricultural stalk reducing mechanism middle gear transmission mechanism with damping noise reduction pedestal.
Fig. 3 is the structure diagram of damping noise reduction pedestal in the agricultural stalk reducing mechanism with damping noise reduction pedestal.
In figure:1- crush boxes, 2- racks, 3- damping noise reduction pedestals, 4- feed inlets, 5- pretreatment boxes, 6- spin axis, 7- shearings Wheel, 8- shear arms, 9- cross ferry, and 10- first crushes motor, 11- rotation montants, 12- crushing knifes, 13- rotating horizontal poles A, 14- powder Broken tooth A, 15- gear As, 16- gear Bs, 17- gear Cs, 18- electric machine supports, 19- second crush motor, 20- sieves, 21- rotations Cross bar B, 22- crushing tooths B, 23- discharge gate, 31- supporting sliders, 32- stop sleevees, 33- sliding blocks, 34- springs, 35- acoustical cottons Ball.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal, packet Crush box 1, rack 2, damping noise reduction pedestal 3 and pretreatment box 5 are included, is rotated in the crush box 1 and is provided with rotation montant 11;Institute State crushing knife 12 there are three being symmetrically fixedly installed on the excircle of rotation montant 11;It is set on the top plate of the crush box 1 useful The top of the output shaft and rotation montant 11 of motor 10 is crushed in the first crushing motor 10 that driving rotation montant 11 rotates, first Between be drivingly connected by shaft coupling;Rotating horizontal pole A13 and rotating horizontal pole are respectively equipped between the two neighboring crushing knife 12 B21;The rotating horizontal pole A13 and rotating horizontal pole B21 are rotatably arranged on the side plate of crush box 1 by bearing connection mode; The outer end of the rotating horizontal pole A13 is installed with gear A 15;The end of the rotating horizontal pole B21 is fixedly installed gear B16;Electric machine support 18 is fixedly installed on the side plate outer wall of the crush box 1, the second powder is installed on electric machine support 18 Broken motor 19, second crushing motor 19 output shaft on be provided with gear C 17;The gear A 15, gear B 16 and gear C 17 3 Person, which is located on same vertical direction, to be set, and be sequentially connected between gear A 15 and gear B 16 by gear engagement system, gear It is sequentially connected between B16 and gear C 17 by gear engagement system, when second crushes 19 drive gear C17 of motor rotations, energy Enough rotating horizontal pole A13 and rotating horizontal pole B21 is driven to rotate backward;On the excircle of the rotating horizontal pole A13 and rotating horizontal pole B21 It is fixedly installed several crushing tooth A14;Fixed frame is equipped with the sieve set in horizontal direction below 1 inner cavity of crush box 20, sieve 20 uniformly processes meshed mesh-plate structure for surface;The bottom end of the rotation montant 11 and 20 middle part upper table of sieve It is rotatablely connected between face by bearing connection mode;The intracavity bottom of the crush box 1 is obliquely installed in intermediate low both ends are high, The inner cavity center bottom of crush box 1 is provided with and communicated with discharge gate 23, and blow-off valve is provided on discharge gate 23;Positioned at rotation montant 11 The lower surface of the crushing knife 12 in bottom cylindrical week is uniformly fixedly installed several tips crushing tooth B22 directed downwardly, and first crushes electricity The driving rotation montant 11 of machine 10 rotates, and it is horizontal to being carried out into the stalk in crush box 1 that rotation montant 11 drives crushing knife 12 to rotate To crushing, and the rotating horizontal pole A13 and rotating horizontal pole B21 that rotate can drive crushing tooth A14 vertically to crush feed, powder Broken effect is good, and the steering of wherein rotating horizontal pole A13 and rotating horizontal pole B21 are on the contrary, further improve the crushing effect of stalk;Through Stalk material after fully crushing passes through discharge gate 23 by entering the intracavity bottom of crush box 1 after the mesh on sieve 20 Discharge.
The top plate both sides of the crush box 1 are equipped with pretreatment box 5, and the side of pretreatment box 5 is equipped with feed inlet 4, and pre- The inner wall for the treatment of box 5 is welded with one group of shear arm 8, is rotatably assorted on pretreatment box 5 and is connected with spin axis 6, in spin axis 6 in an axial direction etc. Spacing is vertically welded with the shearing wheel 7 with cutting head;The lower section of the pretreatment box 5 is equipped with the mistake being connected with crush box 1 Ferry 9, stalk are entered by crossing ferry 9 in crush box 1 after feed inlet 4 enters in pretreatment box 5 and pre-processed.
The bottom of the crush box 1 is erected at by damping noise reduction pedestal 3 in rack 2;The damping noise reduction pedestal 3 includes Supporting slider 31, stop sleeve 32, sliding block 33, spring 34 and sound-absorbing cotton balls 35, wherein stop sleeve 32 are fixed at rack 2 Top, sliding block 33 slided up and down set on the inside of stop sleeve 32, and the top and the bottom of crush box 1 of supporting slider 31 are fixed Connection, the basal sliding of supporting slider 31 connect through being fixed with sliding block 33 after the guiding slide opening opened up on 32 top plate of stop sleeve It connects, spring 34 is placed in bottom in stop sleeve 32, and sound-absorbing cotton balls 35 is filled between the gap of spring 34;The setting energy of spring 34 It is enough that good damping, buffering effect is played to whole device, and sound-absorbing cotton balls 35 can effectively absorb spring 34 in contraction process The friction noise of generation, not only good damping effect, but also effectively reduce noise.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (7)

1. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal, including crush box(1), rack(2), damping noise reduction bottom Seat(3)And pretreatment box(5), it is characterized in that, the crush box(1)Interior rotation is provided with rotation montant(11), the rotating vertical Bar(11)Excircle on symmetrically fixed setting there are three crushing knife(12), the crush box(1)Top plate on be provided with and be used for Driving rotation montant(11)The first of rotation crushes motor(10), the two neighboring crushing knife(12)Between be respectively equipped with rotation Cross bar A(13)With rotating horizontal pole B(21), the rotating horizontal pole A(13)With rotating horizontal pole B(21)Turned by bearing connection mode It is dynamic to be arranged on crush box(1)Side plate on, the rotating horizontal pole A(13)Outer end be installed with gear A(15), the rotation Cross bar B(21)End be fixedly installed gear B(16), the crush box(1)Side plate outer wall on be fixedly installed motor branch Frame(18), electric machine support(18)On be installed with the second crushing motor(19), second crushes motor(19)Output shaft on set It is equipped with gear C(17), the gear A(15)With gear B(16)Between be sequentially connected by gear engagement system, gear B(16) With gear C(17)Between be sequentially connected by gear engagement system, the rotating horizontal pole A(13)With rotating horizontal pole B(21)It is outer Several crushing tooth A are fixedly installed on circumference(14), positioned at rotation montant(11)The crushing knife in bottom cylindrical week(12)Under Surface is uniformly fixedly installed several crushing tooth B(22), the crush box(1)Top plate both sides pretreatment box is installed(5), in advance Treatment box(5)Side be equipped with feed inlet(4), and pretreatment box(5)Inner wall be welded with one group of shear arm(8), pretreatment box (5)On be rotatably assorted and be connected with spin axis(6), spin axis(6)On be equidistantly vertically welded with the shearing wheel with cutting head in an axial direction (7), the pretreatment box(5)Lower section be equipped with and crush box(1)What is be connected crosses ferry(9), the crush box(1)Bottom Portion passes through damping noise reduction pedestal(3)It is erected at rack(2)On, the damping noise reduction pedestal(3)Including supporting slider(31), support Sleeve(32), sliding block(33), spring(34)With sound-absorbing cotton balls(35), wherein stop sleeve(32)It is fixed at rack(2)'s Top, sliding block(33)It slides up and down set on stop sleeve(32)Inside, supporting slider(31)Top and crush box(1)Bottom Portion is fixedly connected, supporting slider(31)Basal sliding through stop sleeve(32)After the guiding slide opening opened up on top plate with cunning Block(33)It is fixedly connected, spring(34)It is placed in stop sleeve(32)Interior bottom, sound-absorbing cotton balls(35)It is filled in spring(34)Between Between gap.
2. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal according to claim 1, it is characterized in that, it is described First crushes motor(10)Output shaft with rotation montant(11)Top between be drivingly connected by shaft coupling.
3. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal according to claim 1, it is characterized in that, it is described Gear A(15), gear B(16)And gear C(17)Three, which is located on same vertical direction, to be set.
4. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal according to claim 1, it is characterized in that, it is described Crush box(1)Fixed frame is equipped with the sieve set in horizontal direction below inner cavity(20), sieve(20)It is uniformly machined with for surface The mesh-plate structure of mesh.
5. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal according to claim 1, it is characterized in that, it is described Rotate montant(11)Bottom end and sieve(20)It is rotatablely connected between the upper surface of middle part by bearing connection mode.
6. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal according to claim 1, it is characterized in that, it is described Crush box(1)Intracavity bottom be obliquely installed in intermediate low both ends are high, crush box(1)Inner cavity center bottom be provided with and communicated with Discharge gate(23), discharge gate(23)On be provided with blow-off valve.
7. a kind of agricultural stalk reducing mechanism with damping noise reduction pedestal according to claim 1, it is characterized in that, it is described Crushing tooth B(22)Tip set downward.
CN201711211309.5A 2017-11-28 2017-11-28 A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal Pending CN108142118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711211309.5A CN108142118A (en) 2017-11-28 2017-11-28 A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711211309.5A CN108142118A (en) 2017-11-28 2017-11-28 A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal

Publications (1)

Publication Number Publication Date
CN108142118A true CN108142118A (en) 2018-06-12

Family

ID=62468229

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711211309.5A Pending CN108142118A (en) 2017-11-28 2017-11-28 A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal

Country Status (1)

Country Link
CN (1) CN108142118A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108901389A (en) * 2018-06-19 2018-11-30 盐城市顺天铸造有限公司 A kind of grinding device recycled for stalk

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106105596A (en) * 2016-08-26 2016-11-16 邵鹏程 A kind of animal husbandry pasture powder crushing device
CN205731436U (en) * 2016-05-27 2016-11-30 江西培康营养科技有限公司 A kind of baby rice powder production reducing mechanism
CN205761578U (en) * 2016-06-27 2016-12-07 王晓岗 A kind of crops stalk crushing packing apparatus
CN106734079A (en) * 2016-12-15 2017-05-31 刘发民 A kind of crushing device of domestic refuse
CN206543612U (en) * 2017-01-17 2017-10-10 贵州理工学院 A kind of adjustable buffer power governor motion of hammer mill

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205731436U (en) * 2016-05-27 2016-11-30 江西培康营养科技有限公司 A kind of baby rice powder production reducing mechanism
CN205761578U (en) * 2016-06-27 2016-12-07 王晓岗 A kind of crops stalk crushing packing apparatus
CN106105596A (en) * 2016-08-26 2016-11-16 邵鹏程 A kind of animal husbandry pasture powder crushing device
CN106734079A (en) * 2016-12-15 2017-05-31 刘发民 A kind of crushing device of domestic refuse
CN206543612U (en) * 2017-01-17 2017-10-10 贵州理工学院 A kind of adjustable buffer power governor motion of hammer mill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108901389A (en) * 2018-06-19 2018-11-30 盐城市顺天铸造有限公司 A kind of grinding device recycled for stalk
CN108901389B (en) * 2018-06-19 2020-09-25 安徽省砀山兴达罐业食品有限公司 A reducing mechanism for straw recycle

Similar Documents

Publication Publication Date Title
CN108160241A (en) A kind of agricultural planting native sorting unit of sieve
CN106717673A (en) A kind of animal husbandry quick shredding facilities of herbage
CN205761578U (en) A kind of crops stalk crushing packing apparatus
CN206168810U (en) Miscellaneous kernel of corn classifying filtration device of band elimination
CN109201186A (en) A kind of adjustable plant straw crushing device of agricultural production
CN108093896A (en) A kind of straw millstone fully crushed
CN203508097U (en) Fodder chopping pulverizer
CN108770469A (en) A kind of farm weeding device with crushing function
CN109197185A (en) A kind of agricultural production efficient straw grinding device and its stalk processing system
CN106694179A (en) Smashing device used for pesticide production
CN206237859U (en) A kind of animal husbandry quick shredding facilities of herbage
CN109156183A (en) A kind of raw material draft machine of stalk biomass organic fertilizer
CN206909196U (en) A kind of agricultural straw millstone
CN206199402U (en) A kind of feed manufacturing disintegrating apparatus
CN206181861U (en) Biological feed grinder
CN209517952U (en) Grinding device is used in a kind of production of plant modifying agent
CN108142118A (en) A kind of agricultural stalk reducing mechanism with damping noise reduction pedestal
CN206909194U (en) A kind of agricultural straw millstone
CN207185296U (en) A kind of agricultural machinery straw environment protection processing unit
CN103766081B (en) Vertical shaft group cutter formula maize straw header mechanism
CN101804372B (en) Combined functional rod-toothed crusher
CN206199447U (en) A kind of pesticide producing reducing mechanism
CN112915871A (en) Improve mine afforestation survival rate's native compounding device of nutrition
CN204907005U (en) Corn root stubble harvester
CN204762270U (en) Special cylinder equipment of threshing of alfalfa

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180612