CN202979674U - Cutter-windrower for applicable to oilseed rape harvesting - Google Patents
Cutter-windrower for applicable to oilseed rape harvesting Download PDFInfo
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- CN202979674U CN202979674U CN 201220711360 CN201220711360U CN202979674U CN 202979674 U CN202979674 U CN 202979674U CN 201220711360 CN201220711360 CN 201220711360 CN 201220711360 U CN201220711360 U CN 201220711360U CN 202979674 U CN202979674 U CN 202979674U
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- conveyer belt
- edger roll
- axle
- lay
- assembly
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Abstract
The utility model belongs to a cutter-windrower applicable to oilseed rape harvesting, and aims to solve the problem of mechanized cutting and windrowing of the oilseed rape. The cutter-windrower comprises a frame, a divider, a cutter and a reel unit. The cutter-windrower is characterized by comprising a transverse-conveying system, a placing roller assembly and a hydraulic power system. By the aid of the transverse-conveying system, time for oilseed rape stalks remaining on the conveying device is reduced, power consumption of conveying can be reduced, and stock of the conveying device can be effectively prevented. By a middle placing manner, qualify of windrows formed in the field is high. After prompt adjustment, the cutter-windrower can be used for harvesting high stalk crops of the oilseed rape and the like while harvesting crops of rice, wheat and the like. The cutter-windrower is multifunctional.
Description
Technical field
The utility model belongs to swath harvesting technical field in agricultural machinery, is specifically related to a kind of novel rape cutter-rower that is applicable to, and emphasis solves the problems such as cutting, conveying and lay of rape harvest time.
Background technology
Swath harvesting is compared with combining, have advantages of harvesting early, the suitable receipts phase is long, little to crop strong adaptability, yield loss.And existing rape cutter-rower is relatively poor to the harvesting adaptability of rape, and its weak point is: on the one hand, regional disparity, rape variety is various, and planting patterns is various, all makes rapeseed plants differ greatly, and causes existing rape cutter-rower bad adaptability.On the other hand, the conveying plant of existing small-sized rape cutter-rower mostly is greatly single lace conveying device, rice seedling discharge port is in a side, conveyer belt length is longer, easily cause the obstruction of conveying plant, existing solution is to improve the transporting velocity of conveyer belt, or installs additional above conveying plant and dial standing grain mechanism and prevent that conveying plant from stopping up, so not only increase the conveying energy consumption of swather, also caused the bad stability of machine.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, develop a kind of novel rape cutter-rower, the utility model adopts a kind of lateral transfer system, reduces the time of staying of rape stem on conveying plant, both reduced conveying energy consumption, prevented effectively again that conveying plant from stopping up; Owing to adopting hydraulic power system, improved transmission efficiency.The utility model is simple in structure, compact in design, and the rape bar paving quality that the field forms is high.
The utility model is realized by following technical proposal:
A kind of novel rape cutter-rower, comprise that (document is referring to the granted patent before the utility model: utility model title: a kind of rape cutter-rower in frame 1, nearside divider 2, cutter 3, straw shift wheel unit 4, the patent No. is 2010105754543), it also comprises lateral transfer system 6, lay on roller assembly 9 and hydraulic power system 10.
Described lateral transfer system 6 comprises conveyer belt assembly 7 and edger roll assembly 8, and conveyer belt assembly 7 has two of left and right; Two the conveyer belt assemblies 7 in left and right are arranged on the rear of cutter 3, are arranged symmetrically in the frame left and right sides, and neutral gear between the two forms rice seedling discharge port 5.Conveyer belt assembly 7 comprises conveyer belt driven roll 11, conveyer belt 12, cover plate 13, conveyer belt driven axle 14, conveying roller supporting plate 15, tensioning bolt plate washer 16, tensioning bolt 17, conveyer belt drive roll 18 and carries elastic claw 19, and left conveyer belt driving shaft 35 and right conveyer belt driving shaft 48.On conveyer belt 12, uniform three row are carried elastic claw 19, and every row is arranged with six and carries elastic claw 19, considers the agriculture requirement (rape line-spacing 280300mm) of rapeseed cultivation, and the spacing of getting two adjacent groups conveying elastic claw 19 is 250-300mm.
Described edger roll assembly 8 has two of left and right, is arranged on frame 1, and the left and right top, rear portion that is arranged symmetrically in conveyer belt assembly 7 is done gyration in opposite directions.Edger roll assembly 8 comprises on edger roll upper support 25, edger roll upper cover plate 24, edger roll bat 23, lower vertical roll shaft 22, left edger roll axle 47, edger roll lower cover 21 and edger roll lower support 20 on axle 46, right edger roll; Be processed with the oval groove on edger roll upper support 25, edger roll lower support 20, be used for regulating the installation site, front and back of edger roll assembly 8 and conveyer belt assembly 7.
Described lay on roller assembly 9 comprises lay on roller installation side plate 26, lay on roller lid 27, lay on roller cylindrical shell 28 and lay roller axle 29; Lay on roller assembly 9 is arranged on frame 1, is positioned at the top, rear portion of rice seedling discharge port 5.
described hydraulic power system 10 comprises tractor motive power output shaft 30, belt wheel power input shaft 31, oil pump power input shaft 32, hydraulic cylinder is controlled valve 33, hydraulic cylinder 34, left conveyer belt driving shaft 35, left conveyer belt motor 36, lay roll shaft 37, lay on roller deboost axle 38, cutter power input shaft 39, ceding of Taiwan power entering spindle 40, straw shift wheel primary speed-down axle 41, straw shift wheel double reduction axle 42, rice crop-poking wheel axis 43, main motor 44, right conveyer belt motor 45, on left edger roll, axle 46, on right edger roll, axle 47, right conveyer belt driving shaft 48, right edger roll motor 49, left edger roll motor 50, radiator 51, Hydraulic Station 52, liquid level gauge 53, fuel tank 54, thermometer 55, filter 56, load feedback formula regulated variable pump 57.Fuel tank 54 connects by pin and is suspended on the tractor dead astern, and its setting height(from bottom) is regulated by the installing hole on fuel tank 54.Liquid level gauge 53 and thermometer 55 are arranged on fuel tank 54 rear sides, show liquid level and oil liquid temperature in fuel tank 54.Load feedback formula regulated variable pump 57 is arranged on by flange on the installing rack of fuel tank 54 tops, is provided with the adjustable installing hole in up and down on installing rack.Hydraulic Station 52 is arranged on right side, tractor driving position.Left edger roll motor 50 is arranged on axle 46 tops on left edger roll by shaft coupling, and right edger roll motor 49 is arranged on axle 47 tops on right edger roll by shaft coupling.Left conveyer belt motor 36 is arranged on left conveyer belt driving shaft 35 axle heads, and right conveyer belt motor 45 is arranged on right conveyer belt driving shaft 48 axle heads by shaft coupling.Main motor 44 is arranged on ceding of Taiwan power entering spindle 40 right side axle heads.Hydraulic cylinder is controlled valve 33 and is arranged on left side, tractor driving position.Radiator 51 is arranged on the right back of fuel tank 54 upper surfaces.Filter 56 is arranged on the front end of load feedback formula regulated variable pump 57 oil inlet pipes.
The beneficial effects of the utility model are:
The utility model has been changed the conveying of traditional swather and the technological process of lay, adopt the conveyer belt assembly to combine with the edger roll assembly and carry the mode of crop, make these facility that the rape stem of cut-out be arranged, the stem stalk implemented the functions such as conveying, orderly lay, not only effectively reduced the front-extending quantity of machine, alleviate machine weight, lay, reduce energy consumption in order, solved the difficult problem that rape easily is wound around on conveying plant, stops up and pile up.Lay roller in addition is the rape compacting of slivering paving also, prevents that rape stem from floating too high, reduces the nature shattering and picks up loss.
Edger roll assembly of the present utility model is designed to detachable, and installation site before and after can regulating, strengthened the adaptability of this machine to rape variety difference, planting patterns difference, both can be used for harvesting rape, but suitably adjust the also Different Crop such as harvesting corn, paddy rice and wheat class, thereby realize a tractor serves several purposes, increase operation rate.
This clearly demarcated hydraulic power system that adopts provides power by engine, by five hydraulic motors of hydraulic pump control, there is independent transmission system in each total Chengdu, and rotating speed is adjustable, has both made this machine operation flexible, easy, transmission system is simplified greatly, increased the reliability and stability of machine.
Description of drawings
Fig. 1: the overall structure schematic diagram that is rape cutter-rower.
Fig. 2: be conveyer belt assembly structure schematic diagram.
Fig. 3: be edger roll assembly schematic diagram.
Fig. 4: be lay on roller assembly structure schematic diagram.
Fig. 5: be the hydraulic power system structural representation.
number in figure: 1 frame, 2 nearside dividers, 3 cutters, 4 straw shift wheel unit, 5 rice seedling discharge ports, 6 lateral transfer systems, 7 conveyer belt assemblies, 8 edger roll assemblies, 9 lay on roller assemblies, 10 hydraulic power systems, 11 conveyer belt driven rolls, 12 conveyer belts, 13 cover plates, 14 passive roll shafts, 15 conveying roller supporting plates, 16 tensioning bolt plate washers, 17 tensioning bolts, 18 conveyer belt drive rolls, 19 carry elastic claw, 20 edger roll lower supports, 21 edger roll lower covers, 22 times vertical roll shafts, 23 edger roll bats, 24 edger roll upper cover plates, 25 edger roll upper supports, 26 lay on roller are installed side plate, 27 lay on roller lids, 28 lay on roller cylindrical shells, 29 lay roller axles, 30 tractor motive power output shaft, 31 belt wheel power input shafts, 32 oil pump power input shafts, 33 hydraulic cylinders are controlled valve, 34 hydraulic cylinders, 35 left conveyer belt driving shafts, 36 left conveyer belt motors, 37 lay roll shafts, 38 lay on roller deboost axles, 39 cutter power input shafts, 40 ceding of Taiwan power entering spindles, 41 straw shift wheel primary speed-down axles, 42 straw shift wheel double reduction axles, 43 rice crop-poking wheel axis, 44 main motors, 45 right conveyer belt motors, axle on 46 left edger rolls, axle on 47 right edger rolls, 48 right conveyer belt driving shafts, 49 right edger roll motors, 50 left edger roll motors, 51 radiators, 52 Hydraulic Stations, 53 liquid level gauges, 54 fuel tanks, 55 thermometers, 56 filters, 57 load feedback formula regulated variable pumps
Specific embodiments
Below in conjunction with accompanying drawing, the utility model is made further instructions.
By shown in Figure 1, the present embodiment provides a kind of novel rape cutter-rower, and it comprises frame 1, nearside divider 2, cutter 3, straw shift wheel unit 4, and it also comprises a lateral transfer system 6, lay on roller assembly 9 and hydraulic power system 10.
Above-mentioned lateral transfer system 6 comprises conveyer belt assembly 7 (seeing Fig. 2) and edger roll assembly 8 (seeing Fig. 3), and conveyer belt assembly 7 has two of left and right; Two the conveyer belt assemblies 7 in left and right are arranged on the rear of cutter 3, are arranged symmetrically in the frame left and right sides, and neutral gear between the two forms rice seedling discharge port 5.Conveyer belt assembly 7 comprises conveyer belt driven roll 11, conveyer belt 12, cover plate 13, conveyer belt driven axle 14, conveying roller supporting plate 15, tensioning bolt plate washer 16, tensioning bolt 17, conveyer belt drive roll 18 and carries elastic claw 19, and left conveyer belt driving shaft 35 and right conveyer belt driving shaft 48.On conveyer belt 12, uniform three row are carried elastic claw 19, and every row is arranged with six and carries elastic claw 19, considers the agriculture requirement (rape line-spacing 280-300mm) of rapeseed cultivation, and the spacing of getting two adjacent groups conveying elastic claw 19 is 250-300mm.
Above-mentioned edger roll assembly 8 has two of left and right, is arranged on frame, and the left and right top, rear portion that is arranged symmetrically in conveyer belt assembly 7 is done gyration in opposite directions.Edger roll assembly 8 comprises on edger roll upper support 25, edger roll upper cover plate 24, edger roll bat 23, lower vertical roll shaft 22, left edger roll axle 47, edger roll lower cover 21 and edger roll lower support 20 on axle 46, right edger roll; Be processed with the oval groove on edger roll upper support 25, edger roll lower support 20, be used for regulating the installation site, front and back of edger roll assembly 8 and conveyer belt assembly 7.Above-mentioned lay on roller assembly 9 (seeing Fig. 4) comprises that lay on roller installation side plate 26, lay on roller lid 27, lay on roller cylindrical shell 28 and lay roller axle 29 form; Lay on roller assembly 9 is arranged on frame 1, is positioned at the top, rear portion of rice seedling discharge port 5.
above-mentioned hydraulic power system 10 (seeing Fig. 5) comprises tractor motive power output shaft 30, belt wheel power input shaft 31, oil pump power input shaft 32, hydraulic cylinder is controlled valve 33, hydraulic cylinder 34, left conveyer belt driving shaft 35, left conveyer belt motor 36, lay roll shaft 37, lay on roller deboost axle 38, cutter power input shaft 39, ceding of Taiwan power entering spindle 40, straw shift wheel primary speed-down axle 41, straw shift wheel double reduction axle 42, rice crop-poking wheel axis 43, main motor 44, right conveyer belt motor 45, on left edger roll, axle 46, on right edger roll, axle 47, right conveyer belt driving shaft 48, right edger roll motor 49, left edger roll motor 50, radiator 51, Hydraulic Station 52, liquid level gauge 53, fuel tank 54, thermometer 55, filter 56, load feedback formula regulated variable pump 57.Fuel tank 54 connects by pin and is suspended on the tractor dead astern, and its setting height(from bottom) is regulated by the installing hole on fuel tank 54.Liquid level gauge 53 and thermometer 55 are arranged on fuel tank 54 rear sides, show liquid level and oil liquid temperature in fuel tank 54.Load feedback formula regulated variable pump 57 is arranged on by flange on the installing rack of fuel tank 54 tops, is provided with the adjustable installing hole in up and down on installing rack.Hydraulic Station 52 is arranged on right side, tractor driving position.Left edger roll motor 50 is arranged on axle 46 tops on left edger roll by shaft coupling, and right edger roll motor 49 is arranged on axle 47 tops on right edger roll by shaft coupling.Left conveyer belt motor 36 is arranged on left conveyer belt driving shaft 35 axle heads, and right conveyer belt motor 45 is arranged on right conveyer belt driving shaft 48 axle heads by shaft coupling.Main motor 44 is arranged on ceding of Taiwan power entering spindle 40 right side axle heads.Hydraulic cylinder is controlled valve 33 and is arranged on left side, tractor driving position.Radiator 51 is arranged on the right back of fuel tank 54 upper surfaces.Filter 56 is arranged on the front end of load feedback formula regulated variable pump 57 oil inlet pipes.
The utility model operation principle is:
When rape cutter-rower of the present utility model was used for harvesting rape, swath was 1850mm, and operating speed is 1.1m/s.When unit advanced operation, engine provided power by hydraulic power system.Tractor motive power output shaft outputting power band wheel power input shaft passes to the oil pump power input shaft, drives load feedback formula regulated variable pump and provides operating pressure oil for system.The oil-in of load feedback formula regulated variable pump is connected with fuel tank, and oil-out is controlled valve with Hydraulic Station and hydraulic cylinder and is connected.Hydraulic oil in fuel tank is filtered and enters load feedback formula regulated variable pump formation hydraulic oil, the output of high pressure oil content two-way: the one tunnel enters Hydraulic Station controls motor operations; Another road flows to hydraulic cylinder and controls valve, and hydraulic cylinder is controlled the oil inlet and oil return that valve is controlled hydraulic cylinder, realizes taiwan cut off and landing.Hydraulic Station is connected by hydraulic oil pipe with the LS mouth of load feedback formula regulated variable pump, and load feedback formula regulated variable pump is adjusted discharge capacity at any time according to parallel branch load needs.Hydraulic Station is connected with each motor oil-in on three parallel branches respectively by hydraulic tube: article one branch road connects the oil-in of main motor, under the pressure oil effect, main motor drives ceding of Taiwan power entering spindle, the power of main motor input is divided three tunnel outputs by ceding of Taiwan power entering spindle: the one tunnel drives rice crop-poking wheel axis through double reduction, one the road drives the cutter power input shaft, and Third Road drives the lay roll shaft through primary speed-down.The second branch road connects left conveyer belt motor oil-in, and left conveyer belt motor is connected with right conveyer belt motor, at pressure oil effect bottom left conveyer belt motor and right conveyer belt motor opposite direction rotating, drives left conveyer belt driving shaft and right conveyer belt driving shaft opposite direction rotating.Article three, branch road connects left edger roll motor oil-in, and left edger roll motor is connected with right edger roll motor, at pressure oil effect bottom left edger roll motor and right edger roll motor opposite direction rotating, drives on left edger roll axle opposite direction rotating on axle and right edger roll.The oil return opening of main motor, right conveyer belt motor, right edger roll motor connects radiator, and radiator is connected with fuel tank, and the oil return of three branch roads is through the cooling fuel tank that is back to of radiator.
Hydraulic power system is controlled the running of nearside divider, cutter, straw shift wheel unit, conveyer belt assembly, edger roll assembly, lay on roller assembly.During specific works, hydraulic power system is imported power into ceding of Taiwan power input shaft, and ceding of Taiwan power input shaft is inputted rice crop-poking wheel axis with power, drives the straw shift wheel cell operation, and the straw shift wheel unit pushes to cutter with rape stem; Cutter is realized the reciprocating cutting motion, effectively cuts off rape stem, and nearside divider is cut off rape stem branch with the branch that top is wound around, complete rape stem and divide standing grain; The rape stem that is positioned at cutter middle part after cut-out directly is layered on the field by rice seedling discharge port under the acting in conjunction of straw shift wheel unit and cutter; The rape stem that is positioned at the cutter left and right sides after cut-out is carried to the centre under the acting in conjunction of conveyer belt assembly and edger roll assembly, through the rice seedling discharge port lay in the field; The lay on roller assembly is the rape compacting of slivering paving, thereby has completed the harvesting process of cutting, conveying and the lay of whole rape.Through Fields detection, this machine operation efficient is 4-6 mu per hour, and cutting height 300-400mm is put paving width 1000-100mm.
Above embodiment is only unrestricted in order to the technical solution of the utility model to be described, do not break away from the spirit and scope of technical solutions of the utility model and the technical solution of the utility model is modified or replaced on an equal basis, all should be encompassed in claim scope of the present utility model.
Claims (1)
1. swather that is applicable to rape results, it comprises frame 1, nearside divider 2, cutter 3, straw shift wheel unit 4, it is characterized in that, it also comprises lateral transfer system 6, lay on roller assembly 9 and hydraulic power system 10,
Described lateral transfer system 6 comprises conveyer belt assembly 7 and edger roll assembly 8, and conveyer belt assembly 7 is two of left and right, and this conveyer belt assembly 7 is arranged on the rear of cutter 3, is arranged symmetrically in the frame left and right sides, and neutral gear between the two forms rice seedling discharge port 5; Conveyer belt assembly 7 comprises conveyer belt driven roll 11, conveyer belt 12, cover plate 13, conveyer belt driven axle 14, conveying roller supporting plate 15, tensioning bolt plate washer 16, tensioning bolt 17, conveyer belt drive roll 18 and carries elastic claw 19, and left conveyer belt driving shaft 35 and right conveyer belt driving shaft 48; On conveyer belt 12, uniform three row are carried elastic claw 19, and every row is arranged with six and carries elastic claw 19, and it is 250-300mm that two adjacent groups is carried the spacing of elastic claw 19;
Described edger roll assembly 8 is arranged symmetrically in the top, rear portion of conveyer belt assembly 7 for two of left and right, do in opposite directions gyration; Described edger roll assembly 8 comprises on edger roll upper support 25, edger roll upper cover plate 24, edger roll bat 23, lower vertical roll shaft 22, left edger roll axle 47, edger roll lower cover 21 and edger roll lower support 20 on axle 46, right edger roll; Described edger roll upper support 25, edger roll lower support 20 are provided with the oval groove, and its effect is the installation site, front and back of regulating edger roll assembly 8 and conveyer belt assembly 7;
Described lay on roller assembly 9 comprises lay on roller installation side plate 26, lay on roller lid 27, lay on roller cylindrical shell 28 and lay roller axle 29, and lay on roller assembly 9 is arranged on frame 1, is positioned at the top, rear portion of rice seedling discharge port 5;
described hydraulic power system 10 comprises tractor motive power output shaft 30, belt wheel power input shaft 31, oil pump power input shaft 32, hydraulic cylinder is controlled valve 33, hydraulic cylinder 34, left conveyer belt driving shaft 35, left conveyer belt motor 36, lay roll shaft 37, lay on roller deboost axle 38, cutter power input shaft 39, ceding of Taiwan power entering spindle 40, straw shift wheel primary speed-down axle 41, straw shift wheel double reduction axle 42, rice crop-poking wheel axis 43, main motor 44, right conveyer belt motor 45, on left edger roll, axle 46, on right edger roll, axle 47, right conveyer belt driving shaft 48, right edger roll motor 49, left edger roll motor 50, radiator 51, Hydraulic Station 52, liquid level gauge 53, fuel tank 54, thermometer 55, filter 56 and load feedback formula regulated variable pump 57, described fuel tank 54 connects by pin and is suspended on the tractor dead astern, its setting height(from bottom) is regulated by the installing hole on fuel tank 54, liquid level gauge 53 and thermometer 55 are arranged on the rear side of fuel tank 54, load feedback formula regulated variable pump 57 is arranged on by flange on the installing rack of fuel tank 54 tops, is provided with the adjustable installing hole in up and down on installing rack, Hydraulic Station 52 is arranged on right side, tractor driving position, left edger roll motor 50 is arranged on the top of axle 46 on left edger roll by shaft coupling, right edger roll motor 49 is arranged on axle 47 tops on right edger roll by shaft coupling, left conveyer belt motor 36 is arranged on left conveyer belt driving shaft 35 axle heads, and right conveyer belt motor 45 is arranged on right conveyer belt driving shaft 48 axle heads by shaft coupling, main motor 44 is arranged on ceding of Taiwan power entering spindle 40 right side axle heads, hydraulic cylinder is controlled the left side that valve 33 is arranged on the tractor driving position, radiator 51 is arranged on the right back of fuel tank 54 upper surfaces, filter 56 is arranged on the front end of load feedback formula regulated variable pump 57 oil inlet pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711360 CN202979674U (en) | 2012-12-21 | 2012-12-21 | Cutter-windrower for applicable to oilseed rape harvesting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711360 CN202979674U (en) | 2012-12-21 | 2012-12-21 | Cutter-windrower for applicable to oilseed rape harvesting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202979674U true CN202979674U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711360 Expired - Fee Related CN202979674U (en) | 2012-12-21 | 2012-12-21 | Cutter-windrower for applicable to oilseed rape harvesting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202979674U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416152A (en) * | 2012-12-21 | 2013-12-04 | 华中农业大学 | Windrower suitable for rape harvest |
| CN105248040A (en) * | 2015-11-20 | 2016-01-20 | 吕庆东 | Automatic Chinese cabbage harvesting machine |
| CN108848893A (en) * | 2018-08-27 | 2018-11-23 | 北京市农业机械试验鉴定推广站 | A kind of pea cutter-rower |
| CN114246056A (en) * | 2021-12-27 | 2022-03-29 | 华中农业大学 | Wide-width foldable rape cutter-rower based on crawler-type power chassis |
-
2012
- 2012-12-21 CN CN 201220711360 patent/CN202979674U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416152A (en) * | 2012-12-21 | 2013-12-04 | 华中农业大学 | Windrower suitable for rape harvest |
| CN105248040A (en) * | 2015-11-20 | 2016-01-20 | 吕庆东 | Automatic Chinese cabbage harvesting machine |
| CN105248040B (en) * | 2015-11-20 | 2017-03-22 | 启东市机关液化气有限责任公司 | Automatic Chinese cabbage harvesting machine |
| CN108848893A (en) * | 2018-08-27 | 2018-11-23 | 北京市农业机械试验鉴定推广站 | A kind of pea cutter-rower |
| CN114246056A (en) * | 2021-12-27 | 2022-03-29 | 华中农业大学 | Wide-width foldable rape cutter-rower based on crawler-type power chassis |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20181221 |