CN105133682A - Furrowing machine - Google Patents
Furrowing machine Download PDFInfo
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- CN105133682A CN105133682A CN201510617483.4A CN201510617483A CN105133682A CN 105133682 A CN105133682 A CN 105133682A CN 201510617483 A CN201510617483 A CN 201510617483A CN 105133682 A CN105133682 A CN 105133682A
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- crossbeam
- cutting tool
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- tractor
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Abstract
The invention relates to the field of agricultural machines and particularly relates to a furrowing machine. The furrowing machine comprises a cutter assembly which comprises blades and a cutter disk base used for fixing the blades; a driving mechanism connected with the cutter disk base drives the cutter disk base to rotate; the cutter disk base is fixedly connected to a cutter assembly support in a rotating mode; the cutter assembly support is connected with a tractor; an adjusting mechanism is arranged between the tractor and the cutter assembly support and used for adjusting the height of the cutter disk base in the vertical direction; the adjusting mechanism arranged between the tractor and the cutter assembly support can effectively adjust the height of a cutter base in the vertical direction, and therefore the purpose that the blades are driven to make contact with or be separated from the ground can be achieved, the depth of the portions, entering soil, of the blades is set through the adjusting mechanism, furrowing depth consistency can be guaranteed, an operator only needs to hold the tractor in the hand, the adjusting mechanism enables the blades to be separated from the ground when furrowing operation is not needed, and therefore the tractor can be driven to run while the cutter assembly does not need to be disassembled; the furrowing machine is convenient to operate and can remarkably relieve the labor intensity of an operator.
Description
Technical field
The present invention relates to field of agricultural machinery, particularly a kind of ditching machine.
Background technology
Ditching machine can bury the department such as subsoil drain or railway, post and telecommunications, urban construction underground for burying cable and pipeline etc. underground with excavating in construction work narrow and dark ground lower groove, also can be used for orchard, herbary and other farm environment ditching-fertilizing, draining, irrigation.The existing Mini-type ditching machine for farmland trench digging is mounted in hand tractor mostly.Applicant applied for and has obtained in " the rearmounted left side formula ditching machine " by name of patent for invention disclosing a kind of rearmounted left side formula ditching machine structure on December 30th, 2013, this ditching machine comprises the L shape frame be directly connected with tractor rear portion connection box, frame arranges gearbox, the output spline of gearbox is driven by the actuating unit of tractor and rotates, splined shaft arranges cylinder cutterhead, multiple blade decile is distributed in the periphery of the cylinder cutterhead of rotation, operator drives the ditching operation of hand tractor enforcement to farmland, operator needs hand-held hand tractor, the soil in the blade on cylinder cutterhead and farmland is pressed and cuts in soil and then trench digging of implementing to dig operates, above-mentioned ditching machine is when implementing soil earth moving operations, the pressing force driving the handle of hand tractor due to operator is different, cause ditch the degree of depth time shallow time dark, and when walking when not needing on the ground of ditching, such as in the position of turning round of field, the L shape frame of loading blade is needed to disassemble from hand tractor, hand tractor is lifted blade and ground are departed from, operator is when hand-held above-mentioned rearmounted left side ditching machine, the operation of hand tractor should be taken into account, take into account the situation of the blade of ditching machine and the contact on ground again, require great effort especially when the ditching operation of reality, be difficult to control.
Summary of the invention
The object of the present invention is to provide a kind of ditching machine, conveniently can realize blade earth surface or the lock out operation of ditching machine, reduce the labour intensity of operator, guarantee the uniformity of ditching depth.
For realizing above object, the technical solution used in the present invention is: a kind of ditching machine, comprise cutting tool assembly, cutting tool assembly comprises the cutter chuck holder adapted of blade and fixed blade, the driving mechanism be connected with cutter chuck holder adapted drives cutter chuck holder adapted to rotate, and cutter chuck holder adapted rotary type is fixedly connected on cutting tool assembly support, and cutting tool assembly support is connected with tractor, arrange governor motion between tractor and cutting tool assembly support, this governor motion is for regulating the height of cutter chuck holder adapted above-below direction.
Compared with prior art, there is following technique effect in the present invention: utilizes the governor motion be arranged between tractor and cutting tool assembly effectively can regulate the height of base of tool above-below direction, and then reach the object driving blade and earth surface or be separated, the degree of depth that blade enters soil is set by this governor motion, the depth consistency of ditching can be guaranteed, operator only needs hand-held tractor, when operating without the need to trench digging, governor motion makes blade and ground depart from, and then without the need to cutting tool assembly is disassembled, can advance by plowing tractor, this ditching machine is easy to operate, significantly can reduce the labour intensity of operator.
Accompanying drawing explanation
Fig. 1 is the structural representation that ditching machine is assemblied on hand tractor;
Fig. 2 is assemblied in the structural representation on hand tractor when being and removing the mud guard on ditching machine;
Fig. 3 is the structural representation that the cutting tool assembly of ditching machine is in when trench digging operates;
Fig. 4 is the structural representation (omission cutting tool assembly) that tail wheel assembly and cutting tool assembly support assemble;
Fig. 5 is that governor motion regulates the crossbeam of cutting tool assembly support and tail wheel assembly to be in opening schematic diagram (omission cutting tool assembly);
Fig. 6 is the front view of Fig. 4;
Fig. 7 is the I enlarged drawing of Fig. 5;
Fig. 8 is the II enlarged drawing of Fig. 4;
Fig. 9 is the structural representation of the governor motion in embodiment one;
Figure 10 is the structural representation of the governor motion in embodiment two;
Figure 11 is the structural representation of the governor motion in embodiment two.
Detailed description of the invention
Composition graphs 1 to Figure 11, is further described the present invention:
A kind of ditching machine, comprise cutting tool assembly 10, cutting tool assembly 10 comprises the cutter chuck holder adapted 12 of blade 11 and fixed blade 11, the driving mechanism be connected with cutter chuck holder adapted 12 drives cutter chuck holder adapted 12 to rotate, cutter chuck holder adapted 12 rotary type is fixedly connected on cutting tool assembly support 20, cutting tool assembly support 20 is connected with tractor, arranges governor motion between tractor and cutting tool assembly support 20, and this governor motion is for regulating the height of cutter chuck holder adapted 12 above-below direction.
Utilize the governor motion be arranged between tractor A and cutting tool assembly support 20, solving traditional ditching machine cannot to the drawback of cutter chuck holder adapted 12 up-down adjustment of cutting tool assembly 10, this governor motion is by regulating the height of cutter chuck holder adapted 12 above-below direction, namely the corner dimension between the line of cutter chuck holder adapted 12 to cutting tool assembly support 20 and tractor connecting place and horizontal plane is regulated, thus reach the object driving blade 11 and earth surface or be separated, the degree of depth that blade 11 enters soil is set by this governor motion, the depth consistency of ditching can be guaranteed, operator only needs hand-held tractor A, when operating without the need to trench digging, governor motion makes blade 11 and ground depart from, and then without the need to cutting tool assembly 10 is disassembled, handled easily person plowing tractor is walked, this ditching machine is easy to operate, significantly can reduce the labour intensity of operator.
As preferred version of the present invention, for at utmost reducing the labour intensity of operator, described cutting tool assembly support 20 back segment is also provided with tail wheel assembly 30, tail wheel assembly 30 comprises the crossbeam 31 be connected with cutting tool assembly support 20, front end and the cutting tool assembly support 20 of crossbeam 31 are hinged, described jointed shaft level and vertical with tractor A direct of travel, described governor motion is arranged between cutting tool assembly support 20 and crossbeam 31, and governor motion is for regulating the folding angle of the spaced winding jointed shaft of cutting tool assembly support 20 and crossbeam 31.Operator, when reality is to nonirrigated farmland trench digging operation, is sitting on the tailstock of tail wheel assembly 30, drives governor motion by mode that is artificial or electronic or hydraulic oil cylinder driving, make blade 11 and earth surface or the disengaging of cutting tool assembly 10.
Described cutting tool assembly support 20 entirety is in pole shape, comprise the straight-bar 21 that arrange consistent with tractor direct of travel and the side lever 22 extended to tractor direct of travel side, straight-bar 21 front end is connected with tractor, the cutter chuck holder adapted 12 of blade 11 and fixed blade 11 is positioned at side lever 22 and suspends end setting, described crossbeam 31 is consistent with the length direction of straight-bar 21, the top that described crossbeam 31 is positioned at cutting tool assembly support 20 is arranged, and crossbeam 31 front end and straight-bar 21 are articulated and connected.Tail wheel assembly 30 comprises the tail wheel 32 being arranged on crossbeam 31 rear end, tail wheel 32 core wheel level and rotary type is arranged on tail wheel yoke, tail wheel yoke rotary type is arranged on crossbeam 31 rear end and pivot center is vertical, the tailstock beam 33 for mounted tailstock is also extended with in crossbeam 31 rear end, operator is sitting on tailstock, the folding angle of crossbeam 31 and below straight-bar 21 is regulated by hand-held governor motion, thus control the blade 11 of cutting tool assembly 10 and being separated or contacting of ground, greatly can reduce the labour intensity of operator.This tail wheel assembly 30, in the process of the use of reality, realizes the control to tractor direct of travel by pin swing tail wheel 32.
Preferably, for convenience of the folding angle regulated between straight-bar 21 and crossbeam 31, described governor motion is a lever construction, the shaft of lever construction is hinged to be arranged on straight-bar 21 or crossbeam 31, one end of lever construction overhangs and forms the driving mechanism that activation lever structure rotates around jointed shaft, another free end of lever construction and the lower shaft of crossbeam 31 or the upper shaft of straight-bar 21 form against or away from coordinating.Rotated around jointed shaft by above-mentioned lever construction projecting end activation lever structure, thus make the lower shaft of lever construction free end and crossbeam 31 or the upper shaft of straight-bar 21 form against, and then it is spacing to reach folding angle between crossbeam 31 and straight-bar 21, by operator's activation lever structure projecting end, lever is rotated around jointed shaft a, thus reaching the convenient object regulated, the speed of this adjustment is fast, can realize the adjustment to cutting tool assembly 10 height without the need to too much manual operation.
As embodiments of the invention one, shown in composition graphs 9, described lever construction is the hinged turnover panel 40 be arranged on crossbeam 31, described jointed shaft level and vertical with tractor direct of travel, turnover panel 40 is a platy structure and plate length direction is vertical with tractor direct of travel, jointed shaft is gone back rotary type and be provided with tommy bar 43, tommy bar 43 drives turnover panel 40 to rotate around jointed shaft, turnover panel 40 one end rotary type is arranged on jointed shaft, turnover panel 40 is provided with guiding cambered surface 41 away from the other end both sides of the edge of jointed shaft along plate length direction, turnover panel 40 to fit with shaft on straight-bar 21 away from the end plane 42 of jointed shaft or away from.When in the process that tommy bar 43 drives turnover panel 40 to rotate, when its end plane 42 is fitted with shaft on straight-bar 21, straight-bar 21 and crossbeam 31 is made to be in the maximum state of angle, the blade 11 of cutting tool assembly 10 is now in the trench digging state with earth surface, the process that turnover panel 40 rotates, the blade 11 that straight-bar 21 now and crossbeam 31 close the state cutting tool assembly 10 closed is in the off position departed from ground, the guiding cambered surface 41 of the both sides of the edge setting of this kind of turnover panel 40, the scratch that wedge angle cambered surface causes shaft on straight-bar 21 can be avoided, above-mentioned turnover panel 40 structure is simple, and it is easy to operate.
Composition graphs 4 and Fig. 5, for convenience of the adjustment to turnover panel 40 turnover panel angle, described crossbeam 31 is provided with spacing limiting plate 34 is carried out to tommy bar 43 rotational angle, the shaft of tommy bar 43 is through the bar hole that limiting plate 34 is arranged, on the inwall of bar hole hole, uniform intervals offers stopper slot, when needing the groove offering different depth, thus pull tommy bar 43, and then tommy bar 43 is formed with the stopper slot on limiting plate 34 coordinate, enter the adjustment implemented the rotational angle of turnover panel 43, thus the folding angle between adjustable crossbeam 31 and straight-bar 21.
As embodiments of the invention two, shown in Figure 10, described lever construction is the cam 50 be arranged on crossbeam 31, core wheel 51 rotary type of cam 50 is arranged on crossbeam 31, the turning cylinder cord horizontal of cam 50 and vertical with tractor direct of travel, the core wheel 51 of driving mechanism driving cam 50 rotates, and on the wheel rim of cam 50 and straight-bar 21, shaft is fitted.By moving handle 52, make the rotation of cam 50, thus also conveniently can realize the folding to angle between crossbeam 31 and straight-bar 21.
In like manner, in embodiment two, realize the adjustment to cutting tool assembly ditching depth if want, a kind of same principle of embodiment can be adopted to carry out spacing, identical limiting plate 34 is also set on crossbeam 31 and coordinates with handle 53.
As embodiments of the invention three, shown in Figure 11, described governor motion comprises and is arranged on cutting tool assembly support, adjustment oil cylinder 60 between 20 and crossbeam 31, the tailpiece of the piston rod of described adjustment oil cylinder 60 is connected with straight-bar 21, this connected mode can be pinned connection, or the roller 61 shown in Figure 11 connects against mode, utilize the flexible of the piston rod regulating oil cylinder 60, control the oil inlet quantity into adjustment oil cylinder 60, thus the stroke of the piston rod of convenient control and regulation oil cylinder 60, and then the control reached angular dimension between straight-bar 21 and crossbeam 31, utilize the mode regulating oil cylinder 60, the blade 11 that accurately can control cutting tool assembly 10 enters the degree of depth of soil, thus conveniently can control the ditching depth of ditching machine.
Spacing for convenience of to folding angle between crossbeam 31 and straight-bar 21, the front end of described crossbeam 31 is provided with Limit screw 70, the nut 44 that described Limit screw 70 and crossbeam 31 front end are arranged forms feed screw nut and coordinates, the rod end of Limit screw 70 and the upper beam face of straight-bar 21 form against or away from coordinating.
Lockable mechanism 80 is also provided with, the both sides side oscillation of lockable mechanism 80 for preventing cutting tool assembly support 20 to be positioned at vertical direction and tractor line direction between cutting tool assembly support 20 and crossbeam 31.
Shown in composition graphs 7 and Fig. 8, described lockable mechanism 80 comprises and is positioned at dead bolt 81 below crossbeam 31 and forms locking with the snap close 23 that cutting tool assembly support 20 is arranged and coordinate with unlatching; Crossbeam 31 and cutting tool assembly support 20 are in conjunction when closing, cutting tool assembly 10 can be locked in the crossbeam 31 of tail wheel assembly 30 by mode that this kind of dead bolt 81 coordinates with snap close 23 firmly, that avoids cutting tool assembly 10 to occur rocks, and then avoids the blade 11 of cutting tool assembly 10 to touch with the wiping on ground.
Described dead bolt 81 is in pin shape, its length direction is arranged along the length direction of crossbeam 31, lockable mechanism 80 also comprises the sleeve pipe 82 and guide pipe 84 that are arranged on crossbeam 31 underbeam face, sleeve pipe 82 and guide pipe 84 are with core and be arranged in parallel with the length direction of crossbeam 31, dead bolt 81 is located in sleeve pipe 82 and guide pipe 84 successively, the leading section of dead bolt 81 stretches out the front end mouth of pipe of guide end 84 and end is cone-shaped structure, dead bolt 81 shaft between sleeve pipe 82 and guide pipe 84 is also provided with spring 83, one end and lock pin 81 shaft of described spring 83 are fixed, the other end is resisted against the mouth of pipe place, front end of sleeve pipe 82, the elastic force of spring 83 orders about dead bolt 81 and is positioned at sleeve pipe 82 and guide pipe 84 and moves forward along the length direction of crossbeam 31, described snap close 23 displacement tubular structure, the tube core of snap close 23 is parallel with the length direction of straight-bar 21,
The shaft that sleeve pipe 82 rear end is stretched out in the rear end of dead bolt 81 is provided with handlebar stem 811, and sleeve pipe 82 rear end pipe offers opening 821 with it, and handlebar stem 811 extends to the outside of sleeve pipe 82 from opening 821 place, and opening 821 is offered along sleeve pipe 82 pipe range direction;
By handlebar stem 811, dead bolt 81 is slided along sleeve pipe 82, the end of dead bolt 81, when snap close 23 nozzle position place, is unclamped handlebar stem 811, dead bolt 81 is imported in snap close 23, thus realizes the locking between crossbeam 31 and straight-bar 21, prevent rocking of straight-bar 21.
Claims (10)
1. a ditching machine, comprise cutting tool assembly (10), cutting tool assembly (10) comprises the cutter chuck holder adapted (12) of blade (11) and fixed blade (11), the driving mechanism be connected with cutter chuck holder adapted (12) drives cutter chuck holder adapted (12) to rotate, cutter chuck holder adapted (12) rotary type is fixedly connected on cutting tool assembly support (20), cutting tool assembly support (20) is connected with tractor, it is characterized in that: between tractor and cutting tool assembly support (20), governor motion is set, this governor motion is for regulating the height of cutter chuck holder adapted (12) above-below direction.
2. to remove the ditching machine described in 1 according to right, it is characterized in that: described cutting tool assembly support (20) back segment is also provided with tail wheel assembly (30), tail wheel assembly (30) comprises the crossbeam (31) be connected with cutting tool assembly support (20), front end and the cutting tool assembly support (20) of crossbeam (31) are hinged, described jointed shaft level and vertical with tractor direct of travel, described governor motion is positioned between cutting tool assembly support (20) and crossbeam (31) and arranges, governor motion is for regulating the folding angle of the spaced winding jointed shaft of cutting tool assembly support (20) and crossbeam (31).
3. ditching machine according to claim 2, it is characterized in that: described cutting tool assembly support (20) entirety is in pole shape, comprise the straight-bar (21) that arrange consistent with tractor direct of travel and the side lever (22) extended to tractor direct of travel side, straight-bar (21) front end is connected with tractor, the cutter chuck holder adapted (12) of blade (11) and fixed blade (11) is positioned at side lever (22) suspension end and arranges, described crossbeam (31) is consistent with the length direction of straight-bar (21), the top that described crossbeam (31) is positioned at cutting tool assembly support (20) is arranged, crossbeam (31) front end and straight-bar (21) are articulated and connected.
4. ditching machine according to claim 3, it is characterized in that: described governor motion is a lever construction, the shaft of lever construction is hinged to be arranged on straight-bar (21) or crossbeam (31), one end of lever construction overhangs and forms the driving mechanism that activation lever structure rotates around jointed shaft, another free end of lever construction and the lower shaft of crossbeam (31) or the upper shaft of straight-bar (21) form against or away from coordinating.
5. ditching machine according to claim 4, it is characterized in that: described lever construction is for being arranged on the turnover panel (40) on crossbeam (31), turnover panel (40) is a platy structure and plate length direction is vertical with tractor direct of travel, one end and the crossbeam (31) of turnover panel (40) are hinged, jointed shaft level and vertical with tractor direct of travel, jointed shaft is gone back rotary type and be provided with tommy bar (43), tommy bar (43) drives turnover panel (40) to rotate around jointed shaft, turnover panel (40) is provided with guiding cambered surface (41) away from the other end both sides of the edge of jointed shaft along plate length direction, turnover panel (40) fit away from the upper shaft of end plane (42) and straight-bar (21) of jointed shaft or away from.
6. ditching machine according to claim 4, it is characterized in that: described lever construction is for being arranged on the cam (50) on crossbeam (31), core wheel (51) rotary type of cam (50) is arranged on crossbeam (31), the turning cylinder cord horizontal of cam (50) and vertical with tractor direct of travel, the core wheel (51) of driving mechanism driving cam (50) rotates, the wheel rim of cam (50) and straight-bar (21) go up shaft fit or away from.
7. ditching machine according to claim 3, it is characterized in that: described governor motion comprises the adjustment oil cylinder (60) be arranged between cutting tool assembly support (20) and crossbeam (31), the piston rod of described adjustment oil cylinder (60) is connected with straight-bar (21), regulates the piston rod of oil cylinder (60) to drive straight-bar (21) to rotate around jointed shaft.
8. the ditching machine according to claim 3 to 7 any one, it is characterized in that: the front end of described crossbeam (31) is provided with Limit screw (70), the nut (44) that described Limit screw (70) and crossbeam (31) front end are arranged forms feed screw nut and coordinates, and the rod end of Limit screw (70) is formed against coordinating with the upper shaft of straight-bar (21).
9. the ditching machine according to claim 3 to 7 any one, it is characterized in that: between cutting tool assembly support (20) and crossbeam (31), be also provided with lockable mechanism (80), the both sides side oscillation of lockable mechanism (80) for preventing cutting tool assembly support (20) to be positioned at vertical direction and tractor line direction.
10. ditching machine according to claim 9, is characterized in that: described lockable mechanism (80) comprises the upper snap close (23) arranged of the dead bolt (81) and the cutting tool assembly support (20) that are positioned at crossbeam (31) below and forms locking with opening and coordinate;
Described dead bolt (81) is in pin shape, its length direction is arranged along the length direction of crossbeam (31), lockable mechanism (80) also comprises the sleeve pipe (82) and guide pipe (84) that are arranged on crossbeam (31) underbeam face, sleeve pipe (82) and guide pipe (84) are with core and be arranged in parallel with the length direction of crossbeam (31), dead bolt (81) is located in sleeve pipe (82) and guide pipe (84) successively, the leading section of dead bolt (81) stretches out the front end mouth of pipe of guide end (84) and end is cone-shaped structure, be positioned on dead bolt (81) shaft between sleeve pipe (82) and guide pipe (84) and be also provided with spring (83), one end and lock pin (81) shaft of described spring (83) are fixed, the other end is resisted against the mouth of pipe place, front end of sleeve pipe (82), the elastic force of spring (83) orders about dead bolt (81) and is positioned at sleeve pipe (82) and guide pipe (84) and moves forward along the length direction of crossbeam (31), described snap close (23) displacement tubular structure, the tube core of snap close (23) is parallel with the length direction of straight-bar (21),
The shaft that sleeve pipe (82) rear end is stretched out in the rear end of dead bolt (81) is provided with handlebar stem (811), sleeve pipe (82) rear end pipe offers opening (821) with it, handlebar stem (811 outsides extending to sleeve pipe (82) from opening (821) place, offer along sleeve pipe (82) pipe range direction by opening (821).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617483.4A CN105133682B (en) | 2015-09-24 | 2015-09-24 | Ditching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617483.4A CN105133682B (en) | 2015-09-24 | 2015-09-24 | Ditching machine |
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| CN105133682A true CN105133682A (en) | 2015-12-09 |
| CN105133682B CN105133682B (en) | 2018-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617483.4A Active CN105133682B (en) | 2015-09-24 | 2015-09-24 | Ditching machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489366A (en) * | 2016-10-28 | 2017-03-15 | 蔡庆梅 | Ditching machine |
| CN107567728A (en) * | 2016-07-05 | 2018-01-12 | 镇江市万金农机有限公司 | A kind of hand drags supporting big rear power direct conduction type rotary tillage unit |
| CN107926163A (en) * | 2017-11-30 | 2018-04-20 | 重庆科业动力机械制造有限公司 | A kind of mini-tiller tool apron load support rod |
| CN108934210A (en) * | 2018-09-21 | 2018-12-07 | 田开林 | The cutting tool assembly rotation direction switching mechanism of front-end ditching machine |
| CN109041678A (en) * | 2018-10-10 | 2018-12-21 | 田开林 | Rear digging machine |
| CN117882532A (en) * | 2024-03-05 | 2024-04-16 | 江苏瑞承农业装备科技有限公司 | Paddy field ditcher for land and field traffic and working method thereof |
| CN118020440A (en) * | 2024-04-11 | 2024-05-14 | 甘肃省农业科学院农业经济与信息研究所 | Small-size agricultural ditching device suitable for mountain area hills |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567728A (en) * | 2016-07-05 | 2018-01-12 | 镇江市万金农机有限公司 | A kind of hand drags supporting big rear power direct conduction type rotary tillage unit |
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| CN106489366B (en) * | 2016-10-28 | 2019-01-15 | 蔡庆梅 | Ditching machine |
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| CN107926163B (en) * | 2017-11-30 | 2023-10-03 | 重庆秉立锦为科技有限公司 | Force bearing support rod for cutter holder of mini-tiller |
| CN108934210A (en) * | 2018-09-21 | 2018-12-07 | 田开林 | The cutting tool assembly rotation direction switching mechanism of front-end ditching machine |
| CN109041678A (en) * | 2018-10-10 | 2018-12-21 | 田开林 | Rear digging machine |
| CN109041678B (en) * | 2018-10-10 | 2024-02-09 | 霍邱县开林机械制造有限公司 | Rear-mounted ditching machine |
| CN117882532A (en) * | 2024-03-05 | 2024-04-16 | 江苏瑞承农业装备科技有限公司 | Paddy field ditcher for land and field traffic and working method thereof |
| CN117882532B (en) * | 2024-03-05 | 2024-06-18 | 江苏瑞承农业装备科技有限公司 | Paddy field ditcher for land and field traffic and working method thereof |
| CN118020440A (en) * | 2024-04-11 | 2024-05-14 | 甘肃省农业科学院农业经济与信息研究所 | Small-size agricultural ditching device suitable for mountain area hills |
| CN118020440B (en) * | 2024-04-11 | 2024-06-04 | 甘肃省农业科学院农业经济与信息研究所 | Small-size agricultural ditching device suitable for mountain area hills |
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| CN105133682B (en) | 2018-10-30 |
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