CN203735028U - Spiral ditching device testing platform for orchard ditcher - Google Patents
Spiral ditching device testing platform for orchard ditcher Download PDFInfo
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- CN203735028U CN203735028U CN201420002724.5U CN201420002724U CN203735028U CN 203735028 U CN203735028 U CN 203735028U CN 201420002724 U CN201420002724 U CN 201420002724U CN 203735028 U CN203735028 U CN 203735028U
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Abstract
The utility model belongs to the technical field of agricultural machinery, and in particular relates to a spiral ditching device testing platform for an orchard ditcher. The spiral ditching device testing platform comprises a travelling mechanism, a lifting mechanism, a ditching angle adjusting mechanism and a ditching mechanism, wherein the travelling mechanism is positioned at the bottom of the testing platform, so that the testing platform can travel; the lifting mechanism is positioned at the rear part of the testing platform and is connected with the travelling mechanism by a hinge; one end of the ditching angle adjusting mechanism is hinged in the lifting mechanism; the other end of the ditching angle adjusting mechanism is hinged with the upper end of the travelling mechanism; the ditching mechanism is positioned at the rear ends of the travelling mechanism and the lifting mechanism and is fixedly connected with the lifting mechanism by a bolt. By adopting the device, tests of soil cutting and throwing performances of a spiral ditching device under the conditions of different working angles and different ditching depths by simulating different structure parameters indoors can be achieved and cannot be influenced by growth seasons of crops; the spiral ditching device is easy and fast to disassemble and change; the repeatability of tests is high; the number of required testing workers is small; the efficiency is high; the labor intensity is low; the damage to the testing workers caused by dust flying pollution is avoided.
Description
Technical field
The utility model belongs to agricultural machinery technological field, particularly the spiral plough testing stand of a kind of garden ditching machine.
Background technology
The spiral plough of garden ditching machine is one of important process parts of garden ditching machine, and its main manipulating object is soil, and therefore the development of spiral plough and the soil environment of its work are inseparable.In research and development early stage of spiral plough, must carry out a series of relevant performance tests to it, to determine cutting soil and throwing the impact on the performance of ditching of structural parameters that soil waits trench digging performance and spiral plough of spiral plough.But China is mainly that spiral plough is arranged on work tool to the comprehensive performance test of spiral plough at present, completes by a large amount of site tests.The shortcoming of this test method is: once can only be for a kind of spiral plough of structural parameters performance test of ditching, and dismounting difficulty, test is repeatable poor; Activity duration is longer, is easily subject to the restriction of crop growing season; Required testing crew is many, and efficiency is low, and labour intensity is large; Serious waste of resources, and easily cause dust pollution.Therefore need to develop and a kind ofly can cut soil and throw the testing stand of native operation at the spiral plough of lab simulation, to improve test efficiency, reduce experimentation cost.
Utility model content
The purpose of this utility model be for solve the spiral plough of existing garden ditching machine to cut soil and throw native performance test be mainly that spiral plough is arranged on work tool, need a large amount of site tests to complete, the long restriction that is also easily subject to crop growing season of activity duration; A site test can only be for a kind of spiral plough of structural parameters performance test of ditching, dismounting difficulty, and test is repeatable poor; The testing crew needing in process of the test is many, and efficiency is low, and labour intensity is large; Serious waste of resources, and easily cause dust pollution etc. problem, provide one can lab simulation complete trench digging spiral cut soil and throw native performance test, test efficiency is high, the spiral plough testing stand that experimentation cost is low.
The technical scheme that realizes the utility model object is: the spiral plough testing stand of a kind of garden ditching machine, and described experimental bench comprises running gear, elevating mechanism, trench digging angle adjusting mechanism and ditcher mechanism; Described running gear is positioned at the bottom of experimental bench, realizes the walking of testing stand; Described elevating mechanism is positioned at the rear portion of testing stand, is connected with running gear by hinge; Described trench digging angle adjusting mechanism one end is hinged in elevating mechanism, and the other end is hinged on the upper end of running gear; Described ditcher mechanism is positioned at the rear end of running gear and trench digging elevating mechanism, and is tightened up and be connected with trench digging elevating mechanism by screw.
Technique scheme, described running gear is by the base plate of walking, drive motors, worm type of reduction gearing, drive sprocket, chain, driven sprocket, active rotating shaft, 2 positive transport wheels, 2 roller bearing units of usheing to seat, 2 driven road wheel supports, driven spindle, 2 driven road wheel connecting plates, 2 deep groove ball bearings, 2 driven road wheels, coupling block, keel, jointed shaft and bottom plate connecting piece composition; The output of drive motors is connected with the input of worm type of reduction gearing, worm-gear speed reducer is fixed in the upper end of walking base plate by screw, worm type of reduction gearing passes through drive sprocket, chain, driven sprocket, active rotating shaft drives 2 positive transport wheel rotations at active rotating shaft two ends, and positive transport wheel and driven road wheel cooperatively interact to realize the walking of whole running gear; Keel and bottom plate connecting piece are fixed in the upper end of walking base plate by screw, coupling block is connected by screw in keel upper end, and jointed shaft is hinged in bottom plate connecting piece.
Technique scheme, described elevating mechanism is by lifting bracket, 2 one slide rails, lower cover, feed screw nut, feed screw nut seat, 4 slide blocks, handwheel, leading screw, upper cover plate, angular adjustment coupling block, scale of depth, angle scale pointer, angle scale composition, lifting bracket is connected with running gear upper end by hinge, lower cover is connected by screw the lower end of lifting bracket, upper cover plate is connected by screw the upper end of lifting bracket, the lower end of leading screw is hinged in lower cover by taper roll bearing, the upper end of leading screw is hinged in upper cover plate by taper roll bearing, the input of leading screw is connected with handwheel by flat key, feed screw nut is sleeved on leading screw, feed screw nut cover for seat is contained on feed screw nut and lower surface is connected with feed screw nut by screw, 2 one slide rails are fixed in respectively the front end face of lifting bracket by screw, on every one slide rail, be set with 2 slide blocks, 2 angular adjustment coupling blocks are fixed in the rear end face of lifting bracket by screw, in job engineering, utilize handwheel to drive leading screw to rotate, elevating mechanism is moved up and down by the drive of feed screw nut, the ditching depth of adjustable screw formula plough, angle scale and angle scale pointer cooperatively interact to realize the measurement of spiral plough operating angle.
Technique scheme, described trench digging angle adjusting mechanism is connected by rocker, angular adjustment leading screw, angular adjustment handwheel, angular adjustment feed screw nut, angular adjustment feed screw nut seat composition; One end of trench digging angle adjustment mechanism is hinged in the angular adjustment coupling block of hoisting mechanism, the other end is hinged in the coupling block of running gear, utilize angular adjustment handwheel to drive angular adjustment leading screw to rotate, ditcher mechanism is rotated around jointed shaft by the drive of angular adjustment feed screw nut seat, realizes spiral plough and becoming perpendicular to horizontal plane or with horizontal plane under 60 ° or marginal unspecified angle to carry out operation.
Technique scheme, described ditcher mechanism is by connecting plate, motor, decelerator, shaft coupling one, torque sensor, the padded plate of torque sensor, shaft coupling two, connecting axle, sleeve, 2 bearing (ball) covers, input flange, output flange, two connecting link pins, spiral plough, breast boards and scale of depth pointer composition, the input of motor is connected with the output of decelerator, the base through screws of decelerator is connected with connecting plate, the output of decelerator is connected with the input of torque sensor by shaft coupling one, torque sensor connects by the padded plate of screw and torque sensor, the padded plate of torque sensor is fixed on connecting plate by screw, the output of torque sensor connects with the input of connecting axle by shaft coupling two, connecting axle is hinged in sleeve by 2 taper roll bearings, 2 bearing (ball) covers are connected with 2 end faces of sleeve by screw respectively, sleeve is affixed by screw and connecting plate, the output of connecting axle is affixed by screw and input flange, input flange is connected with output flange by bolt, spiral plough is connected with output flange by connecting bearing pin, the pin-and-hole connecting on bearing pin and output flange is interference fits, described 2 connecting link pins are mutually vertical, breast boards is connected with connecting plate by screw.In the time that needs are changed spiral plough, only need strike lower bearing pin, just can fast change spiral plough, whole ditcher mechanism utilizes motor, decelerator to drive spiral plough to carry out ditching operation.Scale of depth pointer and scale of depth coordinate to measure the depth of implements of ditching machine.
Adopt after technique scheme, the utlity model has following positive effect: the utility model can be at the spiral plough of lab simulation Different structural parameters cutting soil and throwing native performance test under different work angle, different ditching depth, be not subject to the restriction of crop growing season; Change spiral plough simple and fast, the repeatability of test is strong; Required testing crew is few, and efficiency is high, and labour intensity is low and eliminated the infringement of dust pollution to testing crew.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the integrally-built front view of the utility model garden ditching machine trench digging spiral soil slot test stand,
Fig. 2 is the partial enlarged drawing of connecting link pin and output flange connected mode,
In figure: 1, walking base plate, 2, positive transport wheel, 3, active rotating shaft, 4, the individual roller bearing units of usheing to seat, 5, driven sprocket, 6, driven road wheel connecting plate, 7, driven road wheel support, 8, driven spindle, 9, deep groove ball bearing, 10, driven road wheel, 11, lower cover, 12, spiral plough, 13, breast boards, 14, output flange, 15, connecting link pin, 16, input flange, 17, sleeve, 18, bearing (ball) cover, 19, connecting axle, 20, shaft coupling two, 21, torque sensor, the padded plate of 22 torque sensor, 23, scale of depth pointer, 24, shaft coupling one, 25, connecting plate, 26, motor, 27, slide block, 28, slide rail, 29, handwheel, 30, upper cover plate, 31, lifting bracket, 32, leading screw, 33, feed screw nut seat, 34, feed screw nut, 35, angular adjustment coupling block, 36, rocker connects, and 37, angular adjustment leading screw, 38, angular adjustment feed screw nut seat, 39, coupling block, 40, angular adjustment feed screw nut, 41, angular adjustment handwheel, 42, keel, 43, drive sprocket, 44, worm type of reduction gearing, 45, chain, 46, angle scale, 47, angle scale pointer, 48, scale of depth, 49, jointed shaft, 50, bottom plate connecting piece, 51, drive motors, 52, decelerator.
Embodiment
See Fig. 1, the spiral plough testing stand of the utility model garden ditching machine comprises running gear, elevating mechanism, trench digging angle adjusting mechanism and ditcher mechanism; Described running gear is positioned at the bottom of experimental bench, realizes the walking of testing stand; Described elevating mechanism is positioned at the rear portion of testing stand, is connected with running gear by hinge; Described trench digging angle adjusting mechanism one end is hinged in elevating mechanism, and the other end is hinged on the upper end of running gear; Described ditcher mechanism is positioned at the rear end of running gear and trench digging elevating mechanism, and is tightened up and be connected with trench digging elevating mechanism by screw.
Running gear comprises walking base plate 1, drive motors 51, worm type of reduction gearing 44, drive sprocket 43, chain 45, driven sprocket 5,2,2 roller bearing units 4 of usheing to seat of 3,2 positive transport wheels of active rotating shaft, 2 driven road wheel supports 7,8,2 driven road wheel connecting plates 6 of driven spindle, 9,2 driven road wheels 10 of 2 deep groove ball bearings, coupling block 39, keel 42, jointed shaft 49 and bottom plate connecting piece 50.
The course of work of running gear is: the output of drive motors 51 is connected with the input of worm type of reduction gearing 44, worm-gear speed reducer 44 is fixed in the upper end of walking base plate 1 by screw, worm type of reduction gearing 44 is by drive sprocket 43, chain 45, driven sprocket 5, active rotating shaft 3 drives 2 positive transport wheels 2 at active rotating shaft 3 two ends to rotate, and positive transport wheel 2 and driven road wheel 6 cooperatively interact to realize the walking of whole running gear.
Elevating mechanism is by lifting bracket 31,2 one slide rails 28, lower cover 11, and feed screw nut 34,33,4 slide blocks 27 of feed screw nut seat, handwheel 29, leading screw 32, upper cover plate 30, angular adjustment coupling block 35, scale of depth 48, angle scale pointer 47, angle scale 46 forms.
The course of work of elevating mechanism is: lifting bracket 31 is connected with running gear upper end by hinge, lower cover 11 is connected by screw the lower end of lifting bracket 31, upper cover plate 30 is connected by screw the upper end of lifting bracket 31, the lower end of leading screw 32 is hinged in lower cover 11 by taper roll bearing, the upper end of leading screw 32 is hinged in upper cover plate 30 by taper roll bearing, the input of leading screw 32 is connected with handwheel 29 by flat key, handwheel 29 is realized the axial location on leading screw 32 by shaft end ring, feed screw nut 34 is sleeved on leading screw 32, feed screw nut seat 33 is sleeved on feed screw nut 34 and lower surface is connected with feed screw nut 33 by screw, 2 one slide rails 28 are fixed in respectively the front end face of lifting bracket 31 by screw, on every one slide rail, be set with 2 slide blocks 27, 2 angular adjustment coupling blocks 35 are fixed in the rear end face of lifting bracket 31 by screw, in job engineering, utilize handwheel 29, leading screw 32 is realized feed screw nut 34, the lifting of feed screw nut seat 33, to control the depth of implements of spiral plough.Angle scale 46 and angle scale pointer 47 cooperatively interact to realize the measurement of spiral plough operating angle.
Trench digging angle adjusting mechanism connects 36 by rocker, angular adjustment leading screw 37, and angular adjustment handwheel 41, angular adjustment feed screw nut 40, angular adjustment feed screw nut seat 38 forms.
The course of work of trench digging angle adjusting mechanism is: one end of trench digging angle adjusting mechanism is hinged in the angular adjustment coupling block 35 of hoisting mechanism, the other end is hinged in the coupling block 39 of running gear, utilize angular adjustment handwheel 41 to drive angular adjustment leading screw 37 to rotate, ditcher mechanism is rotated around jointed shaft 49 by the drive of angular adjustment feed screw nut seat 38, realizes spiral plough 12 and becoming perpendicular to horizontal plane or with horizontal plane under 60 ° or marginal unspecified angle to carry out operation.
Ditcher mechanism is by connecting plate 25, motor 26, decelerator 52, shaft coupling 1, torque sensor 21, the padded plate 22 of torque sensor, shaft coupling 2 20, connecting axle 19, sleeve 17,2 bearing (ball) covers 18, input flange 16,14,2 connecting link pins 15 of output flange, spiral plough 12, breast boards 13 and scale of depth pointer 23 form.
The course of work of ditcher mechanism is: the input of motor 26 is connected with the output of decelerator 52, the base through screws of decelerator 52 is connected with connecting plate 25, the output of decelerator 52 is connected with the input of torque sensor 21 by shaft coupling 1, torque sensor 21 connects by the padded plate 22 of screw and torque sensor, the padded plate 22 of torque sensor is fixed on connecting plate 25 by screw, the output of torque sensor 21 connects with the input of connecting axle 19 by shaft coupling 2 20, connecting axle 19 is hinged in sleeve 17 by 2 taper roll bearings, 2 bearing (ball) covers 18 are connected with 2 end faces of sleeve 17 by screw respectively, to realize the axial location of 2 taper roll bearings, sleeve 17 is affixed by screw and connecting plate 25, see Fig. 2, the output of connecting axle 19 is affixed by screw and input flange 16, input flange 16 is connected with output flange 14 by bolt, spiral plough 12 is connected with output flange 14 by connecting bearing pin 15, connecting bearing pin 15 is little interference fits with the pin-and-hole on output flange 14, 2 connecting link pins 15 are mutually vertical, in the time that needs are changed spiral plough, only need strike lower bearing pin, just can fast change spiral plough 12, breast boards 13 is connected with connecting plate 25 by screw, whole ditcher mechanism utilizes motor 26, decelerator 52 drives spiral plough 12 to carry out ditching operation.Scale of depth pointer 23 and scale of depth 48 coordinate to measure the depth of implements of ditching machine.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the spiral plough testing stand of garden ditching machine, is characterized in that: described testing stand comprises running gear, elevating mechanism, trench digging angle adjusting mechanism and ditcher mechanism; Described running gear is positioned at the bottom of testing stand, realizes the walking of testing stand; Described elevating mechanism is positioned at the rear portion of testing stand, is connected with running gear by hinge; Described trench digging angle adjusting mechanism one end is hinged in elevating mechanism, and the other end is hinged on the upper end of running gear; Described ditcher mechanism is positioned at the rear end of running gear and trench digging elevating mechanism, and is tightened up and be connected with trench digging elevating mechanism by screw.
2. the spiral plough testing stand of garden ditching machine according to claim 1, it is characterized in that: described running gear is by the base plate of walking (1), drive motors (51), worm type of reduction gearing (44), drive sprocket (43), chain (45), driven sprocket (5), active rotating shaft (3), 2 positive transport wheels (2), 2 roller bearing units of usheing to seat (4), 2 driven road wheel supports (7), driven spindle (8), 2 driven road wheel connecting plates (6), 2 deep groove ball bearings (9), 2 driven road wheels (10), coupling block (39), keel (42), jointed shaft (49) and bottom plate connecting piece (50) composition, the output of drive motors (51) is connected with the input of worm type of reduction gearing (44), worm-gear speed reducer (44) is fixed in the upper end of walking base plate (1) by screw, worm type of reduction gearing (44) is by drive sprocket (43), chain (45), driven sprocket (5), active rotating shaft (3) drives 2 positive transport wheels (2) rotation at active rotating shaft (3) two ends, and positive transport wheel (2) and driven road wheel (6) cooperatively interact to realize the walking of whole running gear, keel (42) and bottom plate connecting piece (50) are fixed in the upper end of walking base plate (1) by screw, coupling block (39) is connected by screw in keel upper end, and jointed shaft (49) is hinged in bottom plate connecting piece (50).
3. the spiral plough testing stand of garden ditching machine according to claim 1, is characterized in that: described elevating mechanism is by lifting bracket (31), 2 one slide rails (28), lower cover (11), feed screw nut (34), feed screw nut seat (33), 4 slide blocks (27), handwheel (29), leading screw (32), upper cover plate (30), angular adjustment coupling block (35), scale of depth (48), angle scale pointer (47), angle scale (46) composition, lifting bracket (31) is connected with running gear upper end by hinge, lower cover (11) is connected by screw the lower end of lifting bracket (31), upper cover plate (30) is connected by screw the upper end of lifting bracket (31), the lower end of leading screw (32) is hinged in lower cover (11) by taper roll bearing, the upper end of leading screw (32) is hinged in upper cover plate (30) by taper roll bearing, the input of leading screw (32) is connected with handwheel (29) by flat key, feed screw nut (34) is sleeved on leading screw (32), feed screw nut seat (33) is sleeved on feed screw nut (34) above and lower surface is connected with feed screw nut (33) by screw, 2 one slide rails (28) are fixed in respectively the front end face of lifting bracket (31) by screw, on every one slide rail, be set with 2 slide blocks (27), 2 angular adjustment coupling blocks (35) are fixed in the rear end face of lifting bracket (31) by screw, in job engineering, utilize handwheel (29) to drive leading screw (32) to rotate, the drive that makes elevating mechanism pass through feed screw nut (33) moves up and down, the ditching depth of adjustable screw formula plough (12), angle scale (46) and angle scale pointer (47) cooperatively interact to realize the measurement of spiral plough operating angle.
4. the spiral plough testing stand of garden ditching machine according to claim 1, it is characterized in that: described trench digging angle adjusting mechanism connects (36) by rocker, angular adjustment leading screw (37), angular adjustment handwheel (41), angular adjustment feed screw nut (40), angular adjustment feed screw nut seat (38) composition; One end of trench digging angle adjustment mechanism is hinged in the angular adjustment coupling block (35) of hoisting mechanism, the other end is hinged in the coupling block (39) of running gear, utilize angular adjustment handwheel (41) to drive angular adjustment leading screw (37) to rotate, the drive that makes ditcher mechanism pass through angular adjustment feed screw nut seat (38) is rotated around jointed shaft (49), realizes spiral plough (12) and is becoming perpendicular to horizontal plane or with horizontal plane under 60 ° or marginal unspecified angle to carry out operation.
5. the spiral plough testing stand of garden ditching machine according to claim 3, it is characterized in that: described ditcher mechanism is by connecting plate (25), motor (26), decelerator (52), shaft coupling one (24), torque sensor (21), the padded plate of torque sensor (22), shaft coupling two (20), connecting axle (19), sleeve (17), 2 bearing (ball) covers (18), input flange (16), output flange (14), 2 connecting link pins (15), spiral plough (12), breast boards (13) and scale of depth pointer (23) composition, the input of motor (26) is connected with the output of decelerator (52), the base through screws of decelerator (52) is connected with connecting plate (25), the output of decelerator (52) is connected with the input of torque sensor (21) by shaft coupling one (24), torque sensor (21) connects by the padded plate of screw and torque sensor (22), the padded plate of torque sensor (22) is fixed on connecting plate (25) by screw, the output of torque sensor (21) connects with the input of connecting axle (19) by shaft coupling two (20), connecting axle (19) is hinged in sleeve (17) by 2 taper roll bearings, 2 bearing (ball) covers (18) are connected with 2 end faces of sleeve (17) by screw respectively, sleeve (17) is affixed by screw and connecting plate (25), the output of connecting axle (19) is affixed by screw and input flange (16), input flange (16) is connected with output flange (14) by bolt, spiral plough (12) is connected with output flange (14) by connecting bearing pin (15), connecting bearing pin (15) is interference fits with the pin-and-hole on output flange (14), described 2 connecting link pins (15) are mutually vertical, breast boards (13) is connected with connecting plate (25) by screw, described ditcher mechanism utilizes motor (26), decelerator (52) to drive spiral plough (12) to carry out ditching operation, scale of depth pointer (23) and scale of depth (48) coordinate the depth of implements to measure ditching machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002724.5U CN203735028U (en) | 2014-01-03 | 2014-01-03 | Spiral ditching device testing platform for orchard ditcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002724.5U CN203735028U (en) | 2014-01-03 | 2014-01-03 | Spiral ditching device testing platform for orchard ditcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203735028U true CN203735028U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420002724.5U Withdrawn - After Issue CN203735028U (en) | 2014-01-03 | 2014-01-03 | Spiral ditching device testing platform for orchard ditcher |
Country Status (1)
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| CN (1) | CN203735028U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749039A (en) * | 2014-01-03 | 2014-04-30 | 江苏大学 | Spiral opener test bed of orchard ditcher |
| CN106171088A (en) * | 2016-07-10 | 2016-12-07 | 邱艳 | A kind of farmland operation ploughs tooth depth precise adjusting device |
| CN106688384A (en) * | 2015-08-04 | 2017-05-24 | 孙怀亮 | Vehicle-drill-integrated tractor type hillside pit-digging machine with body capable of lifting |
| CN108040543A (en) * | 2017-12-18 | 2018-05-18 | 山东理工大学 | A kind of electrically driven (operated) self-propelled pit-picker |
| CN108633361A (en) * | 2018-07-17 | 2018-10-12 | 辽宁省农业科学院 | A kind of corn no-tillage seedling band powder ditch ditch kind seeder |
| CN117598055A (en) * | 2024-01-03 | 2024-02-27 | 中国热带农业科学院农业机械研究所 | Spiral ditching fertilizer applicator based on milling cutter and broken bar type fertilizer application method |
-
2014
- 2014-01-03 CN CN201420002724.5U patent/CN203735028U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749039A (en) * | 2014-01-03 | 2014-04-30 | 江苏大学 | Spiral opener test bed of orchard ditcher |
| CN103749039B (en) * | 2014-01-03 | 2015-11-18 | 江苏大学 | The spiral plough testing stand of a kind of garden ditching machine |
| CN106688384A (en) * | 2015-08-04 | 2017-05-24 | 孙怀亮 | Vehicle-drill-integrated tractor type hillside pit-digging machine with body capable of lifting |
| CN106688384B (en) * | 2015-08-04 | 2019-03-19 | 孙怀亮 | A kind of tractor-type hillside that wagon drill one vehicle body can be gone up and down is dug a pit, hole, etc. machine |
| CN106171088A (en) * | 2016-07-10 | 2016-12-07 | 邱艳 | A kind of farmland operation ploughs tooth depth precise adjusting device |
| CN108040543A (en) * | 2017-12-18 | 2018-05-18 | 山东理工大学 | A kind of electrically driven (operated) self-propelled pit-picker |
| CN108633361A (en) * | 2018-07-17 | 2018-10-12 | 辽宁省农业科学院 | A kind of corn no-tillage seedling band powder ditch ditch kind seeder |
| CN108633361B (en) * | 2018-07-17 | 2024-02-20 | 辽宁省农业科学院 | Corn no-tillage seedling seed planter with powder furrows |
| CN117598055A (en) * | 2024-01-03 | 2024-02-27 | 中国热带农业科学院农业机械研究所 | Spiral ditching fertilizer applicator based on milling cutter and broken bar type fertilizer application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20151118 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |