CN202551640U - Stubble cleaning and rake loosening combined land preparation machine - Google Patents

Stubble cleaning and rake loosening combined land preparation machine Download PDF

Info

Publication number
CN202551640U
CN202551640U CN2012200502860U CN201220050286U CN202551640U CN 202551640 U CN202551640 U CN 202551640U CN 2012200502860 U CN2012200502860 U CN 2012200502860U CN 201220050286 U CN201220050286 U CN 201220050286U CN 202551640 U CN202551640 U CN 202551640U
Authority
CN
China
Prior art keywords
stubble
connects
cleaning
rake group
preparation machine
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.)
Expired - Fee Related
Application number
CN2012200502860U
Other languages
Chinese (zh)
Inventor
张晓青
朱士强
刘慧敏
鄂丽珍
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.)
HEILONGJIANG RONGTUO BEIFANG MACHINERY MANUFACTURING Co Ltd
Original Assignee
HEILONGJIANG RONGTUO BEIFANG MACHINERY MANUFACTURING 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 HEILONGJIANG RONGTUO BEIFANG MACHINERY MANUFACTURING Co Ltd filed Critical HEILONGJIANG RONGTUO BEIFANG MACHINERY MANUFACTURING Co Ltd
Priority to CN2012200502860U priority Critical patent/CN202551640U/en
Application granted granted Critical
Publication of CN202551640U publication Critical patent/CN202551640U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

Landscapes

  • Soil Working Implements (AREA)

Abstract

The utility model discloses a stubble cleaning and rake loosening combined land preparation machine. An existing land preparation machine in China generally comprises a stubble cleaner and a deep loosening and hacking land preparation machine structurally, wherein the stubble cleaner cannot realize deep loosening, so that drought and waterlogging resistant effects cannot be achieved due to the existence of soil hardening layers; and the deep loosening and hacking land preparation machine cannot clean stubbles and is narrow in application range, poor in hacking effect, low in efficiency and high in cost. The stubble cleaning and rake loosening combined land preparation machine comprises a three-point suspension type suspension frame (1) which is connected with a stubble cleaning device (3) with a stubble cleaning knife (2) and a deep loosening and hacking device (5) with a subsoiler assembly (4), and the deep loosening and hacking device is provided with a multi-hole site adjusting plate (6). The stubble cleaning and rake loosening combined land preparation machine is used for preparing farming land.

Description

Stubble-cleaning combined loosening and raking soil preparation machine
Technical field:
the utility model relates to a kind of stubble-cleaning combined loosening and raking soil preparation machine that is used for soil cultivating.
Background technology:
traditional tillage method, simple stubble-cleaning ridging impels the existence of 20cm tilling depth-hardening layer; The permeability of water is limited by hardening layer, and the face of land too much moisture row do not fall, and do not come on the underground water dry days; The nitrogen phosphorus potassium (N, P, K) of depth of soils can not make full use of; Air and moisture can not freely move in soil, and the growth of restriction crop reduces the output of crop.
existing domestic soil preparation machine structure generally is the stubble cleaner and the native soil preparation machine that ravels deeply, and the former is dark loose, and the soil compaction layer exists; Do not reach the waterlogging-resistant effect of drought resisting, the latter is stubble-cleaning not, and the scope of application is little; The hack poor effect, efficient is low, and cost is high.
The utility model content:
The purpose of utility model provides a kind of locomotive that can integration of operation reduces advance the ground number of times, thereby reduces formation to soil packing and secondary hardening layer, reduce the stubble-cleaning combined loosening and raking soil preparation machine of operating cost.
Above-mentioned purpose realizes through following technical scheme:
a kind of stubble-cleaning combined loosening and raking soil preparation machine; Its composition comprises: the hanger bracket of trifilar suspension formula; Described hanger bracket connects and has the stubble-clearing device of stubble-cleaning cutter and the native device that ravels deeply of deep soil loosing shovel assembly, and the described native device that ravels deeply has the multi-hole position adjustable plate.
described stubble-cleaning combined loosening and raking soil preparation machine, described stubble-clearing device comprises the stubble-cleaning frame, described stubble-cleaning frame connects hitch; Described stubble-cleaning frame connecting band has the universal joint assembly of guard shield, and described universal joint assembly connects the idler gear box assembly, and described idler gear box assembly connects right transmission case assembly and Left Drive box assembly respectively; Described idler gear box assembly comprises bevel gear; Described right transmission case assembly comprises right gear, and described Left Drive box assembly comprises left gear, and described bevel gear connects described left gear; Described bevel gear connects described right gear; Described right gear all is connected the cutter shaft splined shaft with described left gear, and described cutter shaft splined shaft connects left cutter shaft and right cutter shaft respectively, and described left cutter shaft is connected the stubble-cleaning cutter with described right cutter shaft.
described stubble-cleaning combined loosening and raking soil preparation machine; The described native device that ravels deeply comprises the subsoiler frame; Described subsoiler frame connects deep soil loosing shovel assembly, gauge wheel assembly and hanger bracket; Described subsoiler frame connects one group of rake group frame connector, and described rake group frame connector comprises Shang Shunliang, four connecting rods, multi-hole position adjustable plate, lower synbeam, and described four connecting rods are connected described going up along beam and described lower synbeam with described multi-hole position adjustable plate; Described going up along the beam front end connects described subsoiler frame; Described lower synbeam connects preceding rake group and back rake group through fixed block, and described multi-hole position adjustable plate connects spacer pin, and described multi-hole position adjustable plate is regulated the degree of depth of described preceding rake group and described back rake group.
described stubble-cleaning combined loosening and raking soil preparation machine; Described deep soil loosing shovel assembly comprises dark loose handle; Described deep soil loosing shovel handle connects the deep soil loosing shovel point, adorns breaker bolt on the described deep soil loosing shovel handle, and described deep soil loosing shovel handle is to have unit installing hole and whole machine installation hole; Described unit installing hole connects unit, and described whole machine installation hole connects complete machine; Described unit leans on the gauge wheel of described gauge wheel assembly to adjust the dark loose degree of depth; Described complete machine is adjusted the dark loose degree of depth through the length of the central tie rod of adjustment tractor.
described stubble-cleaning combined loosening and raking soil preparation machine; The installation angle of rake group and described back rake group is 14-16 ° before described; Rake group and described back rake group include 18-20 blade before described; Rake is assembled with the roundel blade before described, and respectively there is the roundel blade at rake group two ends, described back.
Described stubble-cleaning combined loosening and raking soil preparation machine, the installation angle of described preceding rake group and described back rake group is 15°, Rake group and described back rake group include 19 blades before described, and described preceding rake is assembled with the roundel blade, and respectively there is the roundel blade at rake group two ends, described back.
Beneficial effect:
1. the utility model can disposable completion stubble-cleaning, dark pine, the operation of hack combined working soil, can carry out the native tillage operation that ravels deeply on the ground such as stubble-cleaning operation or soybean of stub lands such as corn again separately, reached a tractor serves several purposes.
2. the dark loose degree of depth of the utility model can reach 30-35cm, have broken tillage pan and soil compaction layer, have increased the drought resisting of soil, waterlogging-resistant ability; Vegetation coverage reaches more than 60%, has increased the content of the soil organic matter, has reached the purpose of conservation tillage.
The hardening layer in soil is eliminated in 3. the soil after the farming of the utility model; The N of depth of soils, P, K can make full use of, and air and moisture are freely moved in soil, improve the soil respiration environment; Increase the growth of crop root, improve the output of crop.
4. the utility model cover a batch farming, increased the content of the soil organic matter; Granularity is moderate, has kept the trophic structure of soil; Solved that soil block is excessive, seed and soil loose contact, seedling are impaired easily, ground out-of-flatness ponding, soil are meticulous, have destroyed the problem of the trophic structure of soil; Soil soil block after the farming of this product is moderate, and seed contacts with soil well, and the smooth soil moisture that makes in ground is even, and ground does not receive rain erosion.
5. the utlity model has the efficient height, are beneficial to and rob farming season, drought-relief, and promptly energy savings can reduce cost again largely; Can solve stubble-cleaning, the ravel common question of two kinds of types of soil deeply with a kind of type, alleviate the input burden that the peasant buys facility, easy to use, maintenance, improve the facility availability, have favorable economic benefit and social benefit.
are the utility model project organization compact 6., and reliability is high, uses maintenance easy to adjust, low cost of manufacture; Replacing and maintenance cost are low; Stubble-cleaning, hack are effective, the integration of operation energy savings, and efficient is high.
are the utility model compact conformation 7., low cost of manufacture, and gauge wheel can be adjusted the stubble-cleaning degree of depth, and the hole potential energy on the deep soil loosing shovel handle is enough adjusted the dark loose degree of depth, and the hole potential energy on the porous adjustable plate is enough adjusted the hack degree of depth, uses maintenance easy to adjust.
8. the deep soil loosing shovel handle of the utility model are furnished with breaker bolt, and breaker bolt fractures during overload, can play the effect of protection complete machine, have reduced replacing and maintenance cost.
are effectively the arranging of stubble-cleaning cutter of the utility model 9., strengthened the stubble-cleaning effect, and the rake string replaces hack to roll, and hack is effective; Integration of operation reduces the soil secondary compaction, reduces locomotive and advances the ground number of times, and energy savings is once accomplished stubble-cleaning; Dark pine, hack, operating efficiency is high.
if 10. mating power is not enough, the utility model can the split operation, promptly first stubble-cleaning, after the soil that ravels deeply, reached the purpose of a tractor serves several purposes.
Be furnished with breaker bolt on the spade of 11. the utility model, like dark loose drag overload, breaker bolt fractures, and plays the effect of protection complete machine.
Description of drawings:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is structural representations of stubble-clearing device in the accompanying drawing 1.
accompanying drawing 3 is left views of accompanying drawing 2.
accompanying drawing 4 is the structural representations of native device of raveling deeply in the accompanying drawing 1.
accompanying drawing 5 is idler gear box assembly sketch mapes in the accompanying drawing 1.
accompanying drawing 6 is left and right transmission case assembly sketch mapes in the accompanying drawing 1.
accompanying drawing 7 is left views of accompanying drawing 6.
Embodiment:
Embodiment 1:
a kind of stubble-cleaning combined loosening and raking soil preparation machine; Its composition comprises: the hanger bracket 1 of trifilar suspension formula; Described hanger bracket connection has the stubble-clearing device 3 of stubble-cleaning cutter 2 and the native device 5 that ravels deeply of deep soil loosing shovel assembly 4, and the described native device that ravels deeply has multi-hole position adjustable plate 6.
Embodiment 2:
embodiment 1 described stubble-cleaning combined loosening and raking soil preparation machine; Described stubble-clearing device 3 comprises stubble-cleaning frame 7, and described stubble-cleaning frame connects hitch 8, and described stubble-cleaning frame connecting band has the universal joint assembly 10 of guard shield 9; Described universal joint assembly connects idler gear box assembly 11; Described idler gear box assembly connects right transmission case assembly 12 and Left Drive box assembly 13 respectively, and described idler gear box assembly comprises bevel gear 14, and described right transmission case assembly comprises right gear 15; Described Left Drive box assembly comprises left gear 16; Described bevel gear connects described left gear, and described bevel gear connects described right gear, and described right gear all is connected cutter shaft splined shaft 17 with described left gear; Described cutter shaft splined shaft connects left cutter shaft 18 and right cutter shaft 19 respectively, and described left cutter shaft is connected stubble-cleaning cutter 2 with described right cutter shaft.
Embodiment 3:
embodiment 1 described stubble-cleaning combined loosening and raking soil preparation machine; The described native device 5 that ravels deeply comprises subsoiler frame 20; Described subsoiler frame connects deep soil loosing shovel assembly 4, gauge wheel assembly 21 and hanger bracket 22; Described subsoiler frame connects one group of rake group frame connector 23, and described rake group frame connector comprises: go up along beam 24, four connecting rods 25, multi-hole position adjustable plate 6, lower synbeam 26, described four connecting rods are connected suitable beam and lower synbeam with the multi-hole position adjustable plate; Described going up along the beam front end connects described subsoiler frame; Described lower synbeam is connected with back rake group 29 with preceding rake group 28 through fixed block 27, and described multi-hole position adjustable plate connects spacer pin 30, and described multi-hole position adjustable plate is regulated the degree of depth of described preceding rake group and described back rake group.
Embodiment 4:
embodiment 1 or 3 described stubble-cleaning combined loosening and raking soil preparation machine; Described deep soil loosing shovel assembly comprises dark loose handle; Described deep soil loosing shovel handle connects the deep soil loosing shovel point, adorns breaker bolt on the described deep soil loosing shovel handle, and described deep soil loosing shovel handle is to have unit installing hole and whole machine installation hole; Described unit installing hole connects unit, and described whole machine installation hole connects complete machine; Described unit leans on the gauge wheel of described gauge wheel assembly to adjust the dark loose degree of depth; Described complete machine is adjusted the dark loose degree of depth through the length of the central tie rod of adjustment tractor.
Embodiment 5:
embodiment 1 or 3 described stubble-cleaning combined loosening and raking soil preparation machine; The installation angle of rake group and described back rake group is 14-16 ° before described; Rake group and described back rake group include 18-20 blade before described; Rake is assembled with the roundel blade before described, and respectively there is the roundel blade at rake group two ends, described back.
Embodiment 6:
embodiment 1 or 3 described stubble-cleaning combined loosening and raking soil preparation machine; The installation angle of rake group and described back rake group is 15 ° before described; Rake group and described back rake group include 19 blades before described; Rake is assembled with the roundel blade before described, and respectively there is the roundel blade at rake group two ends, described back.
Embodiment 7:
the described stubble-cleaning combined loosening and raking of the foregoing description soil preparation machine; Native device ravel deeply mainly by subsoiler frame, gauge wheel assembly, the deep soil loosing shovel assembly with deep soil loosing shovel handle, hanger bracket, rake group frame attaching parts, and multi-hole position adjustable plate, rake group are along compositions such as beam, front and back rake groups.The deep soil loosing shovel assembly is made up of deep soil loosing shovel handle, deep soil loosing shovel point.
The adjustment of dark loose degree of depth; Two mounting hole site are arranged on the deep soil loosing shovel handle.When unit uses, can select the dark loose degree of depth according to regional condition, agriculture requirement.When complete machine uses, can only select the position, hole below the dark loose handle.
When unit uses, adjust the dark loose degree of depth by gauge wheel.The adjustment of the dark loose degree of depth of complete machine is when guaranteeing the stubble-cleaning degree of depth, adjusts the dark loose degree of depth through the length of adjustment central tie rod.Concrete condition can be adjusted the dark loose degree of depth according to the agriculture requirement of this area.
The adjustment of rake group degree of depth; When front and back rake group was installed, the angle of front and back rake group was about 15 °.Front and back rake group string is formed by 19 blades, and preceding rake group string has a roundel blade, and respectively there is a roundel blade at back rake group string two ends.Rake group depth adjustment utilizes the multi-hole position adjustable plate to realize.According to demand spacer pin is placed on the corresponding hole site of the needs degree of depth.
Embodiment 8:
the described stubble-cleaning combined loosening and raking of the foregoing description soil preparation machine, the stubble-cleaning part mainly is made up of frame, universal joint assembly, idler gear box assembly, left and right sides transmission case assembly, left cutter shaft, right cutter shaft assembly, guard shield and hitch.
The power of stubble ploughing knife pivot is driven by tractor motive power output shaft.Tractor dynamic power connects universal joint assembly through power take-off and reaches the idler gear casing.First 31 process bevel-gear sett slows down and changes direction and pass to the cutter shaft splined shaft through the gear of limit case again, through splined shaft power reached left and right cutter shaft again and drives the rotation of stubble-cleaning cutter.
Operation principle:
novel order according to stubble-cleaning, dark pine, hack is once accomplished tillage operation, grading after the operation.Tractor dynamic power connects universal joint assembly through power take-off and reaches the idler gear casing.First beam warp is crossed the bevel-gear sett deceleration and is changed direction and passes to the cutter shaft splined shaft through the gear of limit case again, through splined shaft power is reached left and right cutter shaft again and drives the rotation of stubble-cleaning cutter.The requirement of pulverizing of root stubble and hack is satisfied in the selection of operating speed, should guarantee cultivating quality, gives full play to the effect of tractor again, thereby reaches purpose efficient, low consumption.The dark loose degree of depth is broken tillage pan and is as the criterion, and too dark consume power wastes energy, and too shallowly can not break tillage pan, does not reach the waterlogging-resistant purpose of drought resisting.The hack degree of depth can be regulated through the multi-hole position adjustable plate.

Claims (6)

1. a kind of stubble-cleaning combined loosening and raking soil preparation machine; Its composition comprises: the hanger bracket of trifilar suspension formula; It is characterized in that: described hanger bracket connects and has the stubble-clearing device of stubble-cleaning cutter and the native device that ravels deeply of deep soil loosing shovel assembly, and the described native device that ravels deeply has the multi-hole position adjustable plate.
2. stubble-cleaning combined loosening and raking soil preparation machine according to claim 1, it is characterized in that: described stubble-clearing device comprises the stubble-cleaning frame, described stubble-cleaning frame connects hanger bracket; Described stubble-cleaning frame connecting band has the universal joint assembly of guard shield, and described universal joint assembly connects the idler gear box assembly, and described idler gear box assembly connects right transmission case assembly and Left Drive box assembly respectively; Described idler gear box assembly comprises bevel gear; Described right transmission case assembly comprises right gear, and described Left Drive box assembly comprises left gear, and described bevel gear connects described left gear; Described bevel gear connects described right gear; Described right gear all is connected the cutter shaft splined shaft with described left gear, and described cutter shaft splined shaft connects left cutter shaft and right cutter shaft respectively, and described left cutter shaft is connected the stubble-cleaning cutter with described right cutter shaft.
3. stubble-cleaning combined loosening and raking soil preparation machine according to claim 1 and 2; It is characterized in that: the described native device that ravels deeply comprises the subsoiler frame; Described subsoiler frame connects deep soil loosing shovel assembly, gauge wheel assembly and described hanger bracket; Described subsoiler frame connects one group of rake group frame connector, and described rake group frame connector comprises Shang Shunliang, four connecting rods, multi-hole position adjustable plate, lower synbeam, and described four connecting rods are connected described going up along beam and described lower synbeam with described multi-hole position adjustable plate; Described going up along the beam front end connects described subsoiler frame; Described lower synbeam connects preceding rake group and back rake group through fixed block, and described multi-hole position adjustable plate connects spacer pin, and described multi-hole position adjustable plate is regulated the degree of depth of described preceding rake group and described back rake group.
4. stubble-cleaning combined loosening and raking soil preparation machine according to claim 1 and 2; It is characterized in that: described deep soil loosing shovel assembly comprises dark loose handle; Described deep soil loosing shovel handle connects the deep soil loosing shovel point, adorns breaker bolt on the described deep soil loosing shovel handle, and described deep soil loosing shovel handle is to have unit installing hole and whole machine installation hole; Described unit installing hole connects unit, and described whole machine installation hole connects complete machine; Described unit leans on the gauge wheel of described gauge wheel assembly to adjust the dark loose degree of depth; Described complete machine is adjusted the dark loose degree of depth through the length of the central tie rod of adjustment tractor.
5. stubble-cleaning combined loosening and raking soil preparation machine according to claim 3; It is characterized in that: the installation angle of rake group and described back rake group is 14-16 ° before described; Rake group and described back rake group include 18-20 blade before described; Rake is assembled with the roundel blade before described, and respectively there is the roundel blade at rake group two ends, described back.
6. stubble-cleaning combined loosening and raking soil preparation machine according to claim 5 is characterized in that: the rake group is 15 ° with the installation angle of described back rake group before described, described before rake group and described rake group afterwards include 19 blades.
CN2012200502860U 2012-02-16 2012-02-16 Stubble cleaning and rake loosening combined land preparation machine Expired - Fee Related CN202551640U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200502860U CN202551640U (en) 2012-02-16 2012-02-16 Stubble cleaning and rake loosening combined land preparation machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200502860U CN202551640U (en) 2012-02-16 2012-02-16 Stubble cleaning and rake loosening combined land preparation machine

Publications (1)

Publication Number Publication Date
CN202551640U true CN202551640U (en) 2012-11-28

Family

ID=47201359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200502860U Expired - Fee Related CN202551640U (en) 2012-02-16 2012-02-16 Stubble cleaning and rake loosening combined land preparation machine

Country Status (1)

Country Link
CN (1) CN202551640U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103250482A (en) * 2012-02-16 2013-08-21 黑龙江融拓北方机械制造有限公司 Stubble cleaning and loosen-harrow combined soil preparation machine
CN109463050A (en) * 2019-01-11 2019-03-15 山东运泰机械有限公司 A kind of subsoiler of deep soil loosing shovel plough point protection mechanism and its composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103250482A (en) * 2012-02-16 2013-08-21 黑龙江融拓北方机械制造有限公司 Stubble cleaning and loosen-harrow combined soil preparation machine
CN109463050A (en) * 2019-01-11 2019-03-15 山东运泰机械有限公司 A kind of subsoiler of deep soil loosing shovel plough point protection mechanism and its composition

Similar Documents

Publication Publication Date Title
CN101243750B (en) Method for accelerating rejuvenation and potency growth of Chinese wildrye
CN106888590A (en) Novel hydraulic power pickaxe
CN202697181U (en) Deep-scarification ridging rotary cultivator
CN204498600U (en) A kind of platform-type farming seeding and fertilizing apparatus for work
CN201682759U (en) Front-deep extensive-cultivation and back-shallow fine-crushing rotary cultivator
CN202551640U (en) Stubble cleaning and rake loosening combined land preparation machine
CN103250482A (en) Stubble cleaning and loosen-harrow combined soil preparation machine
CN203912480U (en) Residual film reclaims stubble collecting machine
CN205408450U (en) Multi -functional soil preparation in two ridges of improved generation machine
CN205694080U (en) A kind of branch mailbox speed changing type rotary cultivator
CN205648354U (en) Rotary tillage part of rotary cultivator with clearance function
CN208972002U (en) Comb-shaped rotary straw-throwing turning-burying machine
CN204560138U (en) Rotary tillage beater
CN208338299U (en) A kind of green manure field crushes and turns over machine
CN201123257Y (en) Overall pulverizer for stalk in furrow drilling land
CN204392784U (en) Energy-efficient rotovator
CN202496183U (en) Combined operation machine capable of carrying out subsoiling, rotary tillage, deep fertilizer application and pressing
CN106471886A (en) A kind of adjustable rotary tillage process device
CN101911862A (en) Subsoiler of planetary driving type
CN207070602U (en) Knife hammers combined furrowing and harrowing machine into shape
CN101869016B (en) Coaxial rotary cultivator realizing deep and extensive cultivation and shallow and fine crushing
CN203181517U (en) Stubble-ploughing deep-scarification ridging combined machine
CN201682760U (en) Coaxial rotary cultivator for deep rough cultivation and shallow fine crushing
CN202232120U (en) Rice transplanter with in-situ soil loosening and stubble breaking knife tackle
CN202889903U (en) Adjusting device on rotary cultivator

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121128

Termination date: 20160216

CF01 Termination of patent right due to non-payment of annual fee