CN205726924U - Longitudinal axis swinging ridge culture ditching machine - Google Patents

Longitudinal axis swinging ridge culture ditching machine Download PDF

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Publication number
CN205726924U
CN205726924U CN201620544133.XU CN201620544133U CN205726924U CN 205726924 U CN205726924 U CN 205726924U CN 201620544133 U CN201620544133 U CN 201620544133U CN 205726924 U CN205726924 U CN 205726924U
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CN
China
Prior art keywords
soil
ridge
pull bar
breast boards
pin
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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.)
Withdrawn - After Issue
Application number
CN201620544133.XU
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Chinese (zh)
Inventor
吴明亮
包攀峰
罗海峰
谢伟
吴志立
向伟
赵建杰
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Hunan Agricultural University
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Hunan Agricultural University
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Priority to CN201620544133.XU priority Critical patent/CN205726924U/en
Application granted granted Critical
Publication of CN205726924U publication Critical patent/CN205726924U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A kind of longitudinal axis swinging ridge culture ditching machine, is mainly made up of the three-link hitch being installed in frame, actuating device, swinging trench digging rotor, ridge type trimming device, soil guiding device etc..Swinging trench digging rotor includes the left and right tool roller axis that is connected with actuating device, and left and right tool roller axis is obliquely installed, and is tiltedly installed with on it and cuts native cutter;Ridge type trimming device is mainly made up of ditch cleaning shovel, the body formed plate in ridge, trailing bar and trailing bar adjusting means etc.;Soil guiding device includes breast boards and the breast boards adjusting means being fixed on frame two ends.This utility model can turn over ground or no-tillage ground completes micro-ridge ridging operation, improves working performance, can effectively realize the soil moisture conservation of soil, it is to avoid water, soil, nutrient loss, promote crop yield while reducing labor intensity.

Description

Longitudinal axis swinging ridge culture ditching machine
Technical field
This utility model relates to the ditching, ridging machinery that the ridge culture of a kind of agricultural produces, and refers in particular to a kind of longitudinal axis swinging ridge culture Ditching machine.
Background technology
Owing to geographical environment affects, each Brassica campestris L producing region, the middle and lower reach of Yangtze River is mostly hilly and mountainous land, and field area is little, the discrepancy in elevation Greatly, rapeseed cultivation relies primarily on the traditional mode of production operating types such as manpower.In recent years, along with the fast development of China's economy, industry Change, the continuous quickening of Development of China's Urbanization, also there is large change in rural laborer's population structure, the between twenty and fifty labour force of major part or Go out to go to school, or manual labour of going down town, rural laborer's population runs off, workforce population aging situation is serious.And rapeseed cultivation is used Work amount is big, and especially dig trenches to drain the water away part, relies on manpower operation's inefficiency, therefore, it is achieved rape production mechanization produces particularly necessary.
The paddy plate field stayed after the previous crops rice harves of Brassica campestris L becomes viscous weight because of soil soaking time length, relies on people's work Industry trench digging labor intensity is very big, and along with expanding economy, labor cost is gradually increased in recent years, the warp of artificial trench digging Ji benefit is more and more lower.Mechanization trench digging can reduce production cost, improves production efficiency, then expands the scale of production, and ensures Rape industry safety.Therefore, it is necessary to research utility model is suitable for the Bedder lister body of Yangtze river basin Rape in Paddy Soil.
Utility model content
This utility model purpose is to provide a kind of longitudinal axis swinging ridge culture ditching machine, to accomplish that once completing to determine row breaks Stubble, rotary tillage ditching operation, improve rapeseed cultivation efficiency and economic benefit thereof, reduces labor intensity.
This utility model adopts the following technical scheme that and realizes object above:
A kind ofLongitudinal axis swinging ridge culture ditching machine, including the three-link hitch being installed in frame, actuating device, revolution Formula trench digging rotor, ridge type trimming device and soil guiding device, described three-link hitch is connected with tractor frame, and it is special Levy and be:
Described actuating device includes the main transmission box being arranged in frame, and the power input shaft of this main transmission box connects dilatory Machine standby exports power, and the two ends of main transmission box output shaft connect left and right side transmission case respectively, set in left and right side transmission case Having and realize the bevel gear that motion turns to, the bevel gear in left and right side transmission case is oppositely arranged, and makes left and right side transmission case output shaft Realizing rotating in opposite directions, left and right side transmission case output shaft connects left and right ditching knife roll shaft power input shaft by universal joint respectively;
Described swinging trench digging rotor includes the left and right trench digging being connected respectively with left and right ditching knife roll shaft power input shaft Tool roller axis, left and right ditching knife roll shaft is followed left and right side transmission case output shaft and is rotated in opposite directions, and difference on left and right ditching knife roll shaft Arrange many with Double helix spread pattern and cut soil cutter;
Described ridge type trimming device includes ditch cleaning shovel, the body formed plate in ridge, trailing bar and trailing bar adjusting means;Ditch cleaning shovel is logical Cross spade pin-and-hole to be connected with frame, and ditch cleaning shovel is arranged at the dead astern of left and right ditching knife roll shaft, with the furrow of formation in work Sidewall forms an enclosed area, stays soil in furrow to collect and heap is in the enclosed area formed by cutting soil cutter rotary-cut, then by revolving The soil cutter of cutting turned throws out furrow and ditch cleaning;Setting that the body formed buttress in ridge shovels according to ditch cleaning and be arranged in groups, often group ridge is body formed Arranged on left and right sides that plate includes being positioned at ditch cleaning shovel and the arc being arranged symmetrically with, the limit, shovel side of two pieces of arcs and ditch cleaning shovel without Seam welding is an entirety, and two pieces of arcs are pacified along the outward-dipping angle in side of facility direction of advance with ditch cleaning shovel respectively Dress, is pressed further by guarantor's type by the body formed plate in ridge with before facility and then by force by furrow side soil;Trailing bar is by covering Soil plate adjusting means is connected to frame rear, and make trailing bar be placed in face, ridge surface and be placed in two groups of body formed plates in ridge it Between;
Described soil guiding device uses single ridge separate configurations, and described soil guiding device includes breast boards and breast boards Adjusting means, breast boards is fixed on the frame left and right sides by breast boards adjusting means, through cutting the soil soil dished out of cutter through gear soil Plate guides to face, ridge, thus completes to cut left and right trench digging rotor the water conservancy diversion of the soil of throwing, it is achieved in furrow, soil is on face, ridge It is uniformly distributed.
Described left and right trench digging rotor is inclined at an angle respectively in horizontally arranged.
Being respectively provided with multiple tool rest on described left and right ditching knife roll shaft, the soil cutter of cutting of respective numbers is bolted peace It is contained in tool rest, and tool rest is that certain inclination angle is installed with the axis of described left and right ditching knife roll shaft and cross section.
175 type tulwars selected by described soil cutter of cutting.
Described left and right ditching knife roll shaft is 20 ° with the angle of horizontal direction, and tool rest presss from both sides with left and right ditching knife roll shaft axis Angle is 60 °.
Described trailing bar adjusting means includes that spring pull bar, pin-and-hole plate, spring, spring pull bar gripper shoe, trailing bar connect Part, trailing bar is connected to frame rear by trailing bar connector, spring pull bar arranges spring, and is positioned at trailing bar rear, The upper end of this spring pull bar is fixed in frame by spring pull bar gripper shoe, and the lower end of spring pull bar is covered with being fixed on by pin Pin-and-hole plate on soil plate connects.
Described spring pull bar lower end is provided with multiple pin-and-hole, is connected with pin-and-hole plate by difference pin-and-hole by pin and realizes earthing plate hight Degree and the regulation at inclination angle.
Described breast boards adjusting means includes that breast boards pull bar, connecting plate, sleeve, pin-and-hole, hinge, gear soil pull bar support Bar, described breast boards ECDC page fixing is in the frame left and right sides, and arranges connecting plate on breast boards, and frame arranges gear soil pull bar Support bar, one end of breast boards pull bar is articulated with on connecting plate, and sleeve is set on breast boards pull bar, another of breast boards pull bar End is provided with multiple pin-and-hole, and sleeve is provided with a hole, location, and the bearing pin of gear soil pull bar support bar positions hole on sleeve, breast boards draws One pin-and-hole of bar fixes the other end of breast boards pull bar.
This utility model uses technique scheme to have a characteristic that
1, in this utility model longitudinal axis swinging ridge culture ditching machine, broken the horizontal rotary tillage ditching mode of routine, used The left and right paired fore-and-aft tilt of trench digging rotor is arranged, and makes to cut soil cutter and buries successively, cuts top layer upturned soil also near anterior soil cutter of cutting Dishing out, the Tu Daoqi that cuts the closer to rear portion cuts and the upturned soil position dished out is the deepest, thus avoids difference and cut soil cutter and repeat to cut Cut the soil of same position, improve work efficiency.
2, the longitudinal direction rotary tillage of this utility model left and right ditching knife roll shaft is arranged, when this utility model facility advance with tractor Time, one will be outputed and move towards identical with ditching knife roll shaft, ditch type transverse section is the furrow of semi-circular section, this semi-circular section furrow Compare existing rectangle, trapezoid cross section furrow, from geometry for more stable.
3, this utility model left and right ditching knife roll shaft turns on the contrary, the soil horizontal stroke to facility when can balance facility work To impulsive force, reduce vibration.
4., in the ridge type trimming device of this utility model longitudinal axis swinging ridge culture ditching machine, trailing bar is placed in face, ridge and just goes up Side, and its tilt adjustable, after trailing bar is bulldozed and rolls soil, the straw of preceding crop on face, ridge can be covered, accomplish straw Also field, thus effectively accomplish that the water conservation of soil protects entropy, provide favourable condition for seed landing germinating growth.
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Accompanying drawing explanation
Fig. 1 is that the complete machine structure of this utility model longitudinal axis swinging ridge culture ditching machine looks up schematic perspective view.
Fig. 2 is the actuating device schematic diagram of this utility model longitudinal axis swinging ridge culture ditching machine.
Fig. 3 is the front-view schematic diagram of this utility model longitudinal axis swinging ridge culture ditching machine.
Fig. 4 is the schematic rear view of this utility model longitudinal axis swinging ridge culture ditching machine.
Fig. 5 is the complete machine structure left view schematic diagram of this utility model longitudinal axis swinging ridge culture ditching machine.
Fig. 6 is the overall structure schematic diagram of this utility model soil guiding device.
Label in figure:
1-three-link hitch, 2 actuating devices, 3-swinging trench digging rotor, 4-soil guiding device, 5-ridge type is repaiied Engagement positions, the upper pin-and-hole of 6-, 7-trifilar suspension plate, pin-and-hole under 8-, 9-main transmission box, 10-anchor ear, 11-power input shaft, 12-machine Frame, 13-main transmission box output shaft, 14-bevel gear, 15-universal joint, 16-left and right ditching knife roll shaft power input shaft, 17-shaft coupling Device, 18-left and right side transmission case, 19-breast boards, 20-cuts soil cutter, and 21 ditch cleanings shovel, the body formed plate in 22-ridge, 23-trailing bar, 24-spring pull bar, 25-left and right side transmission case output shaft, 26-bolt, 27-left and right ditching knife roll shaft, 28-pin-and-hole plate, 29-bullet Spring, 30-spring pull bar gripper shoe, 31-tool rest, 32-trailing bar connector, 33-spade pin-and-hole, 34-breast boards pull bar, 35-is even Fishplate bar, 36-sleeve, 37-pin-and-hole, 38-hinge, 39-gear soil pull bar support bar.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As shown in Figures 1 to 5, this utility model Brassica campestris L ridge culture longitudinal axis swinging ditching machine, including being installed in frame 12 Three-link hitch 1 and actuating device 2, swinging trench digging rotor 3, ridge type trimming device 4, soil guiding device 5.
In the present embodiment, three-link hitch 1 includes 1 suspension plate 7, and anchor ear is passed through in the lower end of 1 suspension plate 7 10 are connected with frame 12, make three-link hitch 1 and frame 12 become an entirety, and the upper end of 1 suspension plate 7 is arranged For the upper pin-and-hole 6 being connected with tractor, lower end arranges lower pin-and-hole 8.
In the present embodiment, actuating device 2 includes the main transmission box 9 being arranged in frame 12, and the power of this main transmission box 9 is defeated Enter axle 11 and connect tractor standby output power, and the two ends of main transmission box output shaft 13 connect left and right side transmission case 18 respectively, It is provided with in left and right side transmission case 18 for realizing the bevel gear 14 turned to that moves, and the bevel gear in left and right side transmission case 18 14 are oppositely arranged, and make left and right side transmission case output shaft 25 realize relatively rotating, and left and right side transmission case output shaft 25 passes through respectively Universal joint 15 connects left and right ditching knife roll shaft power input shaft 16.
In the present embodiment, swinging trench digging rotor 3 includes being connected and defeated with left and right trench digging rotor power input shaft 16 respectively Enter the shaft coupling 17 of power and left and right ditching knife roll shaft 27.Arrange many with Double helix spread pattern on left and right ditching knife roll shaft 27 Individual tool rest 31, is cut soil cutter 20 and is arranged in the tool rest 31 on left and right ditching knife roll shaft by bolt 26 connection, wherein cut soil cutter 20 Selecting 175 type tulwars, the active length of left and right ditching knife roll shaft 27 is 600mm, left and right ditching knife roll shaft 27 and horizontal direction Angle be 20 °, tool rest 31 is 60 ° with the axis angle of left and right ditching knife roll shaft 27.
In the present embodiment, ridge type trimming device 4 mainly by the body formed plate in ridge 22, trailing bar 23 and trailing bar adjusting means and Ditch cleaning shovels 21 compositions such as grade.
Ditch cleaning shovel 21 is arranged at the dead astern of swinging trench digging rotor 3, forms an enclosed area with the furrow sidewall formed, can Will collect and push heap in the enclosed area formed by cutting the soil cutter 20 rotary-cut soil that remains in furrow, finally by rotating Cut soil cutter 20 and throw out furrow and ditch cleaning.Simultaneously by the link position of the spade pin-and-hole 33 of regulation ditch cleaning shovel 21 with frame 12, Control suitable ditching depth.The body formed plate in ridge 22 includes the arranged on left and right sides being positioned at ditch cleaning shovel 21 and the arc being arranged symmetrically with, Limit, the shovel side seamless welding of two pieces of arcs and ditch cleaning shovel 21 is an entirety, and two pieces of arcs shovel 21 edges respectively with ditch cleaning The outward-dipping angle in side of facility direction of advance is installed, and by force will with the forward travel of facility by the body formed plate in ridge 22 Furrow side soil is pressed further by guarantor's type;Trailing bar adjusting means is mainly by spring pull bar 24, pin-and-hole plate 28, spring 29, bullet Spring pull bar gripper shoe 30, trailing bar connector 32 etc. form.After trailing bar 23 is connected to frame 12 by trailing bar connector 32 Side, spring pull bar 24 arranges spring 29, and is positioned at trailing bar 23 rear, and the upper end of this spring pull bar 24 is propped up by spring pull bar Fagging 30 is fixed in frame 12, and the lower end of spring pull bar 24 is connected with the pin-and-hole plate 28 being fixed on trailing bar 23 by pin, And make trailing bar 23 be placed in the surface in face, railway carriage or compartment and be placed between two groups of body formed plates in ridge 22, face, railway carriage or compartment soil is bulldozed and Roll.
In the present embodiment, soil guiding device 5 includes breast boards 19 and breast boards adjusting means etc..Breast boards regulation dress Put and include breast boards pull bar 34, connecting plate 35, sleeve 36, pin-and-hole 37, hinge 38, gear soil pull bar support bar 39.In order to make rotary tillage After soil all fall on face, ridge, the frame 12 outside left and right ditching knife roll shaft 27 is welded at a certain angle through hinge 38 Two pieces of breast boards 19, the soil cut through cutting soil cutter 20 can guide to face, ridge through breast boards 19 by percussion breast boards 19 again.Gear soil Arranging connecting plate 35 on plate 19, frame 12 arranges gear soil pull bar support bar 39, one end of breast boards pull bar 34 is articulated with connection On plate 35, sleeve 36 is set on breast boards pull bar 34, and the other end of breast boards pull bar 34 is provided with multiple pin-and-hole 37, on sleeve 36 Being provided with a hole, location, the bearing pin of gear soil pull bar support bar 39 positions the fixing gear of a pin-and-hole of hole, breast boards pull bar 34 on sleeve The other end of soil plate pull bar 34.Different according to ditching depth, it is different, by gear soil pull bar support bar 39 bearing pin that soil flies to throw angle Pin-and-holes different from breast boards pull bar 34 connection realizes breast boards 19 height and the adjustment of angle, makes breast boards remain at Suitably scope.
The work process that this utility model is concrete:
Frame 12 is articulated on tractor in trifilar suspension mode, and the anterior spline of the power input shaft 11 of main transmission box 9 leads to Crossing gimbal coupling to be connected with tractor output shaft, when tractor output shaft rotates, first moment of torsion passes to frame 12 On main transmission box 9, main transmission box 9 by bevel gear 14 transmission in side transmission case 18 to longitudinal axis swinging ridge culture ditching machine Left and right ditching knife roll shaft 27, makes the ditching knife roll shaft 27 on the right rotate counterclockwise simultaneously, and the ditching knife roll shaft 27 on the left side is clockwise Rotating, left and right ditching knife roll shaft 27 is provided with ditch cleaning shovel 21 below, makes the soil after trench digging focus on the face, ridge of centre.Due to Left and right ditching knife roll shaft 27 is obliquely installed, and cuts soil cutter 20 and will bury successively, cuts top layer upturned soil also near anterior soil cutter 20 of cutting Dish out, cutting soil cutter 20 it cut and the upturned soil position dished out is the deepest the closer to rear portion.Solid owing to respectively cutting soil cutter 20 operating position Fixed, the upturned soil of its effect position also one_to_one corresponding in soil.When this utility model frame 12 is advanced with tractor, will open Go out two semicircle furrows moving towards identical with left and right ditching knife roll shaft 27.Through ridge, the extruding of body formed plate 22 is just again for soil The face, ridge that semicircle furrow encloses, being bulldozed and rolling effect through trailing bar 23 the most again can be formed, just can be allowed to Reach agronomy planting requirement.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment.To those of ordinary skill in the art, gained under without departing from this utility model technology concept thereof To modifications and variations also should be regarded as protection domain of the present utility model.

Claims (8)

1. a longitudinal axis swinging ridge culture ditching machine, including the three-link hitch (1) being installed in frame (12), actuating device (2), swinging trench digging rotor (3), ridge type trimming device (4) and soil guiding device (5), described three-link hitch is with dilatory Machine frame is connected, it is characterised in that:
Described actuating device includes the main transmission box (9) being arranged in frame, and the power input shaft (11) of this main transmission box connects Tractor standby exports power, and the two ends of main transmission box output shaft (13) connect left and right side transmission case (18) respectively, left and right Being provided with in the transmission case of side and realize the bevel gear (14) that turns to of motion, the bevel gear in left and right side transmission case is oppositely arranged, make a left side, Right side transmission case output shaft (25) realizes rotating in opposite directions, left and right side transmission case output shaft (25) respectively by universal joint connect left, Right ditching knife roll shaft power input shaft (16);
Described swinging trench digging rotor includes the left and right trench digging rotor being connected respectively with left and right ditching knife roll shaft power input shaft Axle (27), left and right ditching knife roll shaft is followed left and right side transmission case output shaft and is rotated in opposite directions, and difference on left and right ditching knife roll shaft Arrange many with Double helix spread pattern and cut soil cutter (20);
Described ridge type trimming device includes ditch cleaning shovel (21), the body formed plate in ridge (22), trailing bar (23) and trailing bar adjusting means; Ditch cleaning shovel is connected with frame by spade pin-and-hole (33), and ditch cleaning shovel is arranged at the dead astern of left and right ditching knife roll shaft, with work The furrow sidewall of middle formation forms an enclosed area, stays the soil collection in furrow heap in the closing formed by cutting soil cutter rotary-cut In district, then thrown out furrow and ditch cleaning by the soil cutter of cutting rotated;Setting that the body formed buttress in ridge shovels according to ditch cleaning and be arranged in groups, often The body formed plate in group ridge includes the arranged on left and right sides being positioned at ditch cleaning shovel and the arc being arranged symmetrically with, two pieces of arcs and ditch cleaning shovel Shovel limit, side seamless welding is an entirety, and two pieces of arcs lean outward along the side of facility direction of advance with ditch cleaning shovel respectively An oblique angle is installed, and is pressed further by guarantor's type by the body formed plate in ridge with before facility and then by force by furrow side soil;Cover Soil plate is connected to frame rear by trailing bar adjusting means, and makes trailing bar be placed in the surface in face, ridge and be placed in two groups of ridges Between body formed plate;
Described soil guiding device uses single ridge separate configurations, and described soil guiding device includes breast boards (19) and breast boards Adjusting means, breast boards is fixed on the frame left and right sides by breast boards adjusting means, through cutting the soil soil dished out of cutter through gear soil Plate guides to face, ridge.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 1, it is characterised in that described left and right ditching knife roll shaft It is inclined at an angle respectively in horizontally arranged.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 1, it is characterised in that described left and right ditching knife roll shaft On be respectively provided with multiple tool rest (31), soil cutter (20) of cutting of respective numbers is bolted and is arranged in tool rest, and tool rest with Axis and the cross section of described left and right ditching knife roll shaft are all installed in certain inclination angle.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 3, it is characterised in that described in cut soil cutter select 175 types Tulwar.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 3, it is characterised in that described left and right ditching knife roll shaft Being 20 ° with the angle of horizontal direction, tool rest and left and right ditching knife roll shaft axis angle are 60 °.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 1, it is characterised in that described trailing bar adjusting means bag Include spring pull bar (24), pin-and-hole plate (28), spring (29), spring pull bar gripper shoe (30), trailing bar connector (32), trailing bar It is connected to frame rear by trailing bar connector, spring pull bar arranges spring, and is positioned at trailing bar rear, this spring pull bar Upper end be fixed in frame by spring pull bar gripper shoe, the lower end of spring pull bar pass through pin and the pin being fixed on trailing bar Orifice plate connects.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 6, it is characterised in that described spring pull bar lower end is provided with Different pin-and-holes are connected the regulation realizing trailing bar height and inclination angle by multiple pin-and-holes by pin with pin-and-hole plate.
Longitudinal axis swinging ridge culture ditching machine the most according to claim 1, it is characterised in that described breast boards adjusting means bag Include breast boards pull bar (34), connecting plate (35), sleeve (36), pin-and-hole (37), hinge (38), gear soil pull bar support bar (39), institute State breast boards ECDC page fixing in the frame left and right sides, and connecting plate is set on breast boards, frame arranges gear soil pull bar and supports Bar, one end of breast boards pull bar is articulated with on connecting plate, and sleeve is set on breast boards pull bar, and the other end of breast boards pull bar sets Having multiple pin-and-hole, sleeve is provided with a hole, location, and the bearing pin of gear soil pull bar support bar positions hole, breast boards pull bar on sleeve One pin-and-hole fixes the other end of breast boards pull bar.
CN201620544133.XU 2016-06-07 2016-06-07 Longitudinal axis swinging ridge culture ditching machine Withdrawn - After Issue CN205726924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620544133.XU CN205726924U (en) 2016-06-07 2016-06-07 Longitudinal axis swinging ridge culture ditching machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620544133.XU CN205726924U (en) 2016-06-07 2016-06-07 Longitudinal axis swinging ridge culture ditching machine

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CN201620544133.XU Withdrawn - After Issue CN205726924U (en) 2016-06-07 2016-06-07 Longitudinal axis swinging ridge culture ditching machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105850252A (en) * 2016-06-07 2016-08-17 湖南农业大学 Longitudinal-axis rotary ridge culture furrower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105850252A (en) * 2016-06-07 2016-08-17 湖南农业大学 Longitudinal-axis rotary ridge culture furrower

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Granted publication date: 20161130

Effective date of abandoning: 20171031