CN108307734A - A kind of Landscape sowing suspension type plough - Google Patents
A kind of Landscape sowing suspension type plough Download PDFInfo
- Publication number
- CN108307734A CN108307734A CN201810380444.0A CN201810380444A CN108307734A CN 108307734 A CN108307734 A CN 108307734A CN 201810380444 A CN201810380444 A CN 201810380444A CN 108307734 A CN108307734 A CN 108307734A
- Authority
- CN
- China
- Prior art keywords
- trench digging
- colter
- landscape
- break bar
- suspension type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of Landscape sowing suspension type ploughs,Including body frame of ditching,The top both ends of the trench digging body frame are symmetrically installed there are two telescoping cylinders,And the lower section of the trench digging body frame is connected with suspension frame plate by bumper bracket,The top of two telescoping cylinders is connected by installing attic base with tractor,And it is provided with hydraulic cylinder between the telescoping cylinders,The piston rod of the hydraulic cylinder is connected by round platform seat with tractor,And the bottom of the hydraulic cylinder is set in the groove seat of trench digging body frame,The outside of the bumper bracket is cased with shock-absorbing spring in one week,Trench digging colter and trench digging break bar have been set gradually from left to right below the suspension frame plate,The trench digging colter is fixedly installed in by plow standard on the lower surface of suspension frame plate,Several blades are installed at the outer side ring of the trench digging break bar,And the trench digging break bar is connected by wheel support with suspension frame plate,The depth of trench digging can be adjusted,Also improve trench digging efficiency.
Description
Technical field
The present invention relates to field of mechanical technique, specially a kind of Landscape sowing suspension type plough.
Background technology
In large-scale gardens sowing, it can generally be sowed or transplanted using the methods of mechanical-assisted,
And plough is exactly essential a kind of machinery among these, but in the prior art, working plough exist mostly with
Lower shortcoming problem：
(1) common plough is fixed due to structure, can not be adjusted according to actual conditions, to adapt to different apply
Work demand, and lack certain vibration protection so that plough, which is easy to be given a shock, to be caused to damage, so as to shorten the longevity is used
Life；
(2) general plough due to trench digging measure it is single, in particular by single ditching plow, the both sides after trench digging
Soil be easy to fall into groove, trench digging efficiency is reduced, to cause to need the trench digging of circulating repetition to operate.
Invention content
In order to overcome the shortcomings of that prior art, the present invention provide a kind of Landscape sowing suspension type plough,
Not only it had solved the problems, such as the use that common plough is brought, but also has considerably increased the usable degree of plough, and increased trench digging construction effect
Rate provides the convenience of bigger for construction, height is conveniently adjusted, to adapt to different construction needs, and the person of being conveniently operated into
Row is installed and used, and can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：A kind of Landscape sowing is ditched with suspension type
The top both ends of device, including trench digging body frame, the trench digging body frame are symmetrically installed there are two telescoping cylinders, and the trench digging body frame
Lower section suspension frame plate is connected with by bumper bracket, the top of two telescoping cylinders, which passes through, installs attic base and tractor phase
Even, and hydraulic cylinder is provided between the telescoping cylinders, the piston rod of the hydraulic cylinder passes through round platform seat and tractor
It is connected, and the bottom of the hydraulic cylinder is set in the groove seat of trench digging body frame, the outside of the bumper bracket is cased with for one week
Shock-absorbing spring has been set gradually from left to right trench digging colter and trench digging break bar, the trench digging colter below the suspension frame plate
It is fixedly installed in by plow standard on the lower surface of suspension frame plate, several blades is installed at the outer side ring of the trench digging break bar, and
And the trench digging break bar is connected by wheel support with suspension frame plate, the rear side of the suspension frame plate is connected with scattered kind by dissipating kind of a frame
Funnel.
As a kind of preferred technical solution of the present invention, the bottom of the telescoping cylinders is fixedly installed in by cylinder attic base
It ditches on the upper surface of body frame, described stretch is provided with corresponding screwed plug on installation attic base.
As a kind of preferred technical solution of the present invention, the groove seat is cylinder shape groove, and the groove seat
The big 3mm of radius of radius ratio groove seat.
As a kind of preferred technical solution of the present invention, the quantity of the bumper bracket is two, and the bumper bracket pair
Title is equipped with and is ditched between body frame and suspension frame plate.
As a kind of preferred technical solution of the present invention, the trench digging break bar is connected by wheel support with suspension frame plate, institute
The rear side for stating suspension frame plate dissipates kind of funnel by dissipating kind of a frame and being connected with.
As a kind of preferred technical solution of the present invention, the trench digging colter includes colter frame, colter seat board, tool apron and arc
Shape keeps off knife, and the trailing flank of the colter frame is connected with branch hydraulic cylinder by rotation seat, and the colter frame passes through rotation axis
It is connected with plow standard, the upper end of the colter seat board is connected with colter frame, and the lower end of the colter seat board is connected with tool apron.
As a kind of preferred technical solution of the present invention, the arc gear knife is installed on the downside of tool apron, and institute
The both ends for stating arc gear knife are symmetrically arranged with that left disk breaks ground piece and right disk breaks ground piece, and the left disk breaks ground piece and right disk
By arc cage plate and arc to keep off knife closely coupled for the front side end of piece of breaking ground.
As a kind of preferred technical solution of the present invention, the trench digging break bar includes chuck block, blade, wheel bearing and break bar
Ring, the blade is uniformly equal angular to be installed on break bar ring, and the blade is filled by blade stock geometrical clamp and break bar
On ring, the wheel bearing is connected by wheel strut with break bar ring.
As a kind of preferred technical solution of the present invention, the chuck block is connected with the axle center column of break bar ring, and described
Balancing pole is provided between chuck block.
As a kind of preferred technical solution of the present invention, described dissipate is provided with pan feeding port, and institute on the upside of kind of funnel
Scattered kind of a funnel is stated to be made of polyvinyl chloride.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention is provided with hydraulic cylinder on trench digging body frame, by hydraulic cylinder to change trench digging body frame and draw
The distance between machine, to change the height of trench digging colter and break bar of ditching, to adapt to a variety of different constructing operation demands, from
And the use scope and effect of the suspension type plough are improved, and also there is bumper bracket and shock-absorbing spring, one can be played
Fixed vibration-isolating effect, to reduce the damage that plough is brought by vibration so that ditching plow knife and trench digging break bar are carried out effective
Protection, to extend the service life of the suspension type plough；
(2) present invention is provided with suspension frame plate on trench digging body frame, by hanging trench digging colter and trench digging below frame plate
Break bar avoids the mud on single ditching plow both sides after trench digging so that the plough has dual trench digging measure
Soil is easy to fall into groove, influence trench digging effect with carry out circulating repetition trench digging operate, through trench digging colter trench digging it
Afterwards, the loose soil in both ends for colter of ditching being outputed to groove by trench digging break bar is discharged to outside, and ditch is covered to reduce soil
The occurrence of in slot, reduces the number for repeating trench digging operation to improve the trench digging effect of the plough, to reduce
The waste of resource.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the trench digging cutting wheel structure schematic diagram of the present invention；
Fig. 3 is the trench digging colter structural schematic diagram of the present invention.
In figure：1- trench digging body frames；2- telescoping cylinders；3- bumper brackets；4- hangs frame plate；5- hangs frame plate；6- hangs frame plate；
7- round platform seats；8- groove seats；9- shock-absorbing springs；10- trench digging colters；11- trench digging break bars；12- plow standards；13- wheel supports；14- dissipates
Kind frame；15- dissipates kind of funnel；201- cylinder attic bases；501- screwed plugs；101- colter framves；102- colter seat boards；103- tool aprons；
104- arcs keep off knife；105- rotation seats；106- branch hydraulic cylinders；107- rotation axis；The left disks of 108- break ground piece；The right disks of 109-
Break ground piece；110- arc cage plates；111- chuck blocks；112- blades；113- wheel bearings；114- blade stocks；115- wheel struts；
116- break bar rings；117- balancing poles；151- pan feedings port.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, "upper", " in ", "lower", "front", "rear", "left", "right", "inner", "
Outside ", " side " etc. is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, rather than to limit the present invention.
Embodiment：
As shown in Figure 1, the present invention provides a kind of Landscape sowing suspension type plough, including trench digging body frame 1, institute
The top both ends for stating trench digging body frame 1 are symmetrically installed there are two telescoping cylinders 2, can be trench digging body frame 1 by two telescoping cylinders 2
Suspension effective support is provided, and the lower section of the trench digging body frame 1 is connected with suspension frame plate 4 by bumper bracket 3, by slow
The effect of frame 3 is rushed, can effectively weaken the vibration brought when trench digging colter 10 and the trench digging running of break bar 11, to reduce vibration band
The top of the mechanical damage come, two telescoping cylinders 2 is connected by installing attic base 5 with tractor, wherein the flexible circle
The bottom of column 2 is fixedly installed in by cylinder attic base 201 on the upper surface of trench digging body frame 1, and described stretch is provided on installation attic base 5
Corresponding screwed plug 501 is facilitated and telescoping cylinders 2 is connected with tractor by the screwed plug 501 on installation attic base 5, to
Prodigious facility is brought to people's disassembly and installation, and is provided with hydraulic cylinder 6 between the telescoping cylinders 2, the hydraulic pressure
The piston rod of oil cylinder 6 is connected by round platform seat 7 with tractor, by operating hydraulic cylinder 6, the length of telescoping cylinders 2 can be adjusted
Degree so that the height of trench digging body frame 1 is to adapt to the needs of various different constructions, and the bottom of the hydraulic cylinder 6 is set to
In the groove seat 8 of trench digging body frame 1, wherein the groove seat 8 is cylinder shape groove, and the radius ratio groove of the groove seat 8
Seat 8 the big 3mm of radius, by groove seat 8 can by 8 effective fixed in position of groove seat with wherein.
As shown in figures 1 and 3, the outside of the bumper bracket 3 is cased with shock-absorbing spring 9 in one week, wherein the number of the bumper bracket 3
Amount is two, and the bumper bracket 3 is symmetrically installed with and is ditched between body frame 1 and suspension frame plate 4, is subtracted by shock-absorbing spring 9
The slow vibration for weakening suspension frame plate 4 and bringing, the lower section of the suspension frame plate 4 have been set gradually from left to right trench digging colter 10 and have opened
Ditch break bar 11, the trench digging colter 10 is fixedly installed in by plow standard 12 on the lower surface of suspension frame plate 4, wherein the ditching plow
Knife 10 includes that colter frame 101, colter seat board 102, tool apron 103 and arc keep off knife 104, and the trailing flank of the colter frame 101 passes through
Rotation seat 105 is connected with branch hydraulic cylinder 106, by starting branch hydraulic cylinder 106 so that the piston of branch hydraulic cylinder 106 pushes away
Dynamic rotation seat 105, is adjusted with the angle to colter frame 101, is conducive to the ditching operation of trench digging colter 10, and the plough
Knife rest 101 is connected by rotation axis 107 with plow standard 12, is conducive to rotation axis 107 so that can be between colter frame 101 and plow standard 12
Row rotation, facilitates people's process operation, the upper end of the colter seat board 102 to be connected with colter frame 101, and the colter seat board
102 lower end is connected with tool apron 103, and arc gear knife 104 is installed on the downside of tool apron 103, and the arc
The both ends of shape gear knife 104 are symmetrically arranged with that left disk breaks ground piece 108 and right disk breaks ground piece 109, and the left disk breaks ground piece 108
Breaking ground with right disk, by arc cage plate 110 and arc to keep off knife 104 closely coupled for the front side end of piece 109, is broken ground by left disk
Piece 108 and right disk break ground piece 109, and effectively the soil in groove effectively can be discharged, improve trench digging efficiency.
As depicted in figs. 1 and 2, several blades 112, and the trench digging are installed at the outer side ring of the trench digging break bar 11
Break bar 11 is connected by wheel support 13 with suspension frame plate 4, wherein the ditching knife wheel 11 includes chuck block 111, blade 112, wheel
Bearing 113 and break bar ring 116, the blade 112 is uniformly equal angular to be installed on break bar ring 116 so that blade 112 can have
Effect uniformly running, and the blade 112 by blade stock 114 fixation clamp on break bar ring 116, the wheel bearing 113
It is connected with break bar ring 116 by wheel strut 115, and the chuck block 111 is connected with the axle center column of break bar ring 116, and
It is provided with balancing pole 117 between the chuck block 111, the structural strength of the plough can be enhanced by balancing pole 117, with
Extending the service life of the trench digging break bar 11, the rear side of the suspension frame plate 4 dissipates kind of funnel 15 by dissipating kind of frame 14 and being connected with,
Described in dissipate the upside of kind of funnel 15 and be provided with pan feeding port 151, and kind of the funnel 15 that dissipates is made of polyvinyl chloride, is led to
It crosses and dissipates kind of funnel 15, facilitate people to be sowed while trench digging, bring great convenience to operator.
In conclusion the main characteristic of the invention lies in that：
(1) present invention is provided with hydraulic cylinder on trench digging body frame, by hydraulic cylinder to change trench digging body frame and draw
The distance between machine, to change the height of trench digging colter and break bar of ditching, to adapt to a variety of different constructing operation demands, from
And the use scope and effect of the suspension type plough are improved, and also there is bumper bracket and shock-absorbing spring, one can be played
Fixed vibration-isolating effect, to reduce the damage that plough is brought by vibration so that ditching plow knife and trench digging break bar are carried out effective
Protection, to extend the service life of the suspension type plough；
(2) present invention is provided with suspension frame plate on trench digging body frame, by hanging trench digging colter and trench digging below frame plate
Break bar avoids the mud on single ditching plow both sides after trench digging so that the plough has dual trench digging measure
Soil is easy to fall into groove, influence trench digging effect with carry out circulating repetition trench digging operate, through trench digging colter trench digging it
Afterwards, the loose soil in both ends for colter of ditching being outputed to groove by trench digging break bar is discharged to outside, and ditch is covered to reduce soil
The occurrence of in slot, reduces the number for repeating trench digging operation to improve the trench digging effect of the plough, to reduce
The waste of resource.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of Landscape sowing suspension type plough, it is characterised in that：Including trench digging body frame (1), the trench digging body frame
(1) top both ends are symmetrically installed there are two telescoping cylinders (2), and the lower section of the trench digging body frame (1) passes through bumper bracket (3)
It is connected with suspension frame plate (4), the top of two telescoping cylinders (2) is connected by installing attic base (5) with tractor, and institute
State and be provided with hydraulic cylinder (6) between telescoping cylinders (2), the piston rod of the hydraulic cylinder (6) by round platform seat (7) with it is dilatory
Machine is connected, and the bottom of the hydraulic cylinder (6) is set in the groove seat (8) of trench digging body frame (1), the bumper bracket (3)
Outside be cased within one week shock-absorbing spring (9), be set gradually from left to right trench digging colter (10) below the suspension frame plate (4)
With trench digging break bar (11), the trench digging colter (10) is fixedly installed in by plow standard (12) on the lower surface of suspension frame plate (4), institute
It states and several blades (112) is installed at the outer side ring of trench digging break bar (11).
2. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：The flexible circle
The bottom of column (2) is fixedly installed in by cylinder attic base (201) on the upper surface of trench digging body frame (1), described to stretch installation attic base (5)
On be provided with corresponding screwed plug (501).
3. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：The groove seat
(8) it is cylinder shape groove, and the big 3mm of radius of the radius ratio groove seat (8) of the groove seat (8).
4. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：The bumper bracket
(3) quantity is two, and the bumper bracket (3) is symmetrically installed with and is ditched between body frame (1) and suspension frame plate (4).
5. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：The ditching plow
Knife (10) includes colter frame (101), colter seat board (102), tool apron (103) and arc gear knife (104), the colter frame (101)
Trailing flank branch hydraulic cylinder (106) is connected with by rotation seat (105), and the colter frame (101) passes through rotation axis
(107) it is connected with plow standard (12), the upper end of the colter seat board (102) is connected with colter frame (101), and the colter seat board
(102) lower end is connected with tool apron (103).
6. a kind of Landscape sowing suspension type plough according to claim 5, it is characterised in that：The arc gear
Knife (104) is installed on the downside of tool apron (103), and the both ends of arc gear knife (104) are symmetrically arranged with left disk
It breaks ground piece (108) and right disk breaks ground piece (109), the front side of the left disk breaks ground piece (108) and right disk breaks ground piece (109)
End is closely coupled by arc cage plate (110) and arc gear knife (104).
7. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：The ditching knife
Wheel (11) is connected by wheel support (13) with suspension frame plate (4), and the rear side of the suspension frame plate (4) is connected by dissipating kind of frame (14)
Have and dissipates kind of funnel (15).
8. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：The ditching knife
Wheel (11) includes chuck block (111), blade (112), wheel bearing (113) and break bar ring (116), and the blade (112) is uniform etc.
Angle is installed on break bar ring (116), and the blade (112) is clamped and break bar ring by blade stock (114) fixation
(116) on, the wheel bearing (113) is connected by wheel strut (115) with break bar ring (116).
9. a kind of Landscape sowing suspension type plough according to claim 7, it is characterised in that：The chuck block
(111) it is connected with the axle center column of break bar ring (116), and is provided with balancing pole (117) between the chuck block (111).
10. a kind of Landscape sowing suspension type plough according to claim 1, it is characterised in that：Described scattered kind
Pan feeding port (151) is provided on the upside of funnel (15), and kind of the funnel (15) that dissipates is made of polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380444.0A CN108307734B (en) | 2018-04-25 | 2018-04-25 | Suspension type furrow opener is used in seeding of landscape architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380444.0A CN108307734B (en) | 2018-04-25 | 2018-04-25 | Suspension type furrow opener is used in seeding of landscape architecture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108307734A true CN108307734A (en) | 2018-07-24 |
| CN108307734B CN108307734B (en) | 2020-11-10 |
Family
ID=62895249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810380444.0A Active CN108307734B (en) | 2018-04-25 | 2018-04-25 | Suspension type furrow opener is used in seeding of landscape architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108307734B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874468A (en) * | 2019-03-03 | 2019-06-14 | 李安山 | Garlic planter and its trench digging fabric assembly and corresponding ditching device used |
| CN110073764A (en) * | 2019-05-28 | 2019-08-02 | 曾子师 | A kind of plantation of medicinal material sows trolley with digging pit |
| CN110249752A (en) * | 2019-06-10 | 2019-09-20 | 广西民族大学 | A kind of double rocker arm composition ditcher mechanisms of band front and back plough and rotation combination cutter hub |
| CN113198124A (en) * | 2021-04-25 | 2021-08-03 | 张小兵 | Mountain forest fire prevention is with fire engine running roller |
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| EP1285564A1 (en) * | 2001-08-23 | 2003-02-26 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Sowing machine with hydraulic depth control system |
| CN102823344A (en) * | 2012-09-12 | 2012-12-19 | 连云港市威迪机械有限公司 | Subsoiling furrowing machine |
| CN204475399U (en) * | 2015-02-15 | 2015-07-15 | 李洪宾 | A kind of construction of the highway dual-wheel ditcher for U-shaped ditch |
| CN204652918U (en) * | 2015-04-30 | 2015-09-23 | 江苏清淮机械有限公司 | A kind of bottom of trench that arranges jolt-squeezes the ditching device of device |
| CN206759943U (en) * | 2017-04-13 | 2017-12-19 | 重庆辰央农业科技有限公司 | A kind of Height Adjustable ditching plow of agricultural mini-tiller |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1285564A1 (en) * | 2001-08-23 | 2003-02-26 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Sowing machine with hydraulic depth control system |
| CN102823344A (en) * | 2012-09-12 | 2012-12-19 | 连云港市威迪机械有限公司 | Subsoiling furrowing machine |
| CN204475399U (en) * | 2015-02-15 | 2015-07-15 | 李洪宾 | A kind of construction of the highway dual-wheel ditcher for U-shaped ditch |
| CN204652918U (en) * | 2015-04-30 | 2015-09-23 | 江苏清淮机械有限公司 | A kind of bottom of trench that arranges jolt-squeezes the ditching device of device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874468A (en) * | 2019-03-03 | 2019-06-14 | 李安山 | Garlic planter and its trench digging fabric assembly and corresponding ditching device used |
| CN110073764A (en) * | 2019-05-28 | 2019-08-02 | 曾子师 | A kind of plantation of medicinal material sows trolley with digging pit |
| CN110249752A (en) * | 2019-06-10 | 2019-09-20 | 广西民族大学 | A kind of double rocker arm composition ditcher mechanisms of band front and back plough and rotation combination cutter hub |
| CN113198124A (en) * | 2021-04-25 | 2021-08-03 | 张小兵 | Mountain forest fire prevention is with fire engine running roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108307734B (en) | 2020-11-10 |
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