CN105133682B - Ditching machine - Google Patents
Ditching machine Download PDFInfo
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- CN105133682B CN105133682B CN201510617483.4A CN201510617483A CN105133682B CN 105133682 B CN105133682 B CN 105133682B CN 201510617483 A CN201510617483 A CN 201510617483A CN 105133682 B CN105133682 B CN 105133682B
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- crossbeam
- cutting tool
- tool assembly
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Abstract
The present invention relates to field of agricultural machinery,More particularly to a kind of ditching machine,Including cutting tool assembly,Cutting tool assembly includes blade and the cutter chuck holder adapted of fixed blade,The driving mechanism driving cutter chuck holder adapted rotation being connected with cutter chuck holder adapted,Cutter chuck holder adapted rotary type is fixedly connected on cutting tool assembly holder,Cutting tool assembly holder is connected with tractor,Regulating mechanism is set between tractor and cutting tool assembly holder,The regulating mechanism is used to adjust the height in direction under cutter chuck holder adapted,The height of base of tool upper and lower directions can be effectively adjusted using the regulating mechanism being arranged between tractor and cutting tool assembly,And then achieve the purpose that blade is driven to contact or detach with ground,The depth that blade enters soil is set by the regulating mechanism,It can ensure that the depth consistency of trench digging,Operator need to only hold tractor,When being operated without ditching,Regulating mechanism makes blade be detached from ground,Into without cutting tool assembly is disassembled,It can plowing tractor traveling,The ditching machine is easy to operate,The labor intensity of operator can be significantly reduced.
Description
Technical field
The present invention relates to field of agricultural machinery, more particularly to a kind of ditching machine.
Background technology
Ditching machine can with excavated in architectural engineering narrow and deep ground lower groove bury subsoil drain or railway, post and telecommunications,
The departments such as urban construction are for burying cable and pipeline etc., it can also be used to orchard, herbary and other farm environment ditching-fertilizings, row
Water, irrigation.The existing Mini-type ditching machine for farmland trench digging is mounted in hand tractor mostly.Applicant was in 2013
December 30 applied and had obtained the entitled of patent for invention《Formula ditching machine on the left of postposition》In disclose on the left of a kind of postposition
Formula ditching machine structure, the ditching machine include the L-shaped rack that frame connection is directly connect with tractor rear portion, and speed change is arranged in rack
The output spline of case, gearbox drives rotation by the actuating unit of tractor, and roller cutterhead, multiple knives are arranged on splined shaft
Piece decile is distributed in the periphery of the roller cutterhead of rotation, and operator drives hand tractor implementation to the ditching operation in farmland, behaviour
Author needs hand-held hand tractor so that the soil of blade and farmland on roller cutterhead is pressed and cut in soil and then real
Trench digging operation of digging is applied, above-mentioned ditching machine is when implementing to soil earth moving operations, since operator drives hand tractor
The pressing force of handle is different, deep when shallow when leading to the depth of trench digging, and when walking is on the ground that need not be ditched, such as
At the turn position of field or need the L-shaped rack by loading blade disassembled from hand tractor or
Hand tractor is lifted so that blade is detached from ground, operator is when holding ditching machine on the left of above-mentioned postposition, Ji Yaojian
Care for the operation of hand tractor, the case where taking into account contact of the blade of ditching machine with ground again, in actual ditching operation
It is especially laborious, it is difficult to control.
Invention content
The purpose of the present invention is to provide a kind of ditching machine, the blade ground contact for realizing ditching machine or separation behaviour can be facilitated
Make, reduces the labor intensity of operator, it is ensured that the consistency of ditching depth.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of ditching machine, including cutting tool assembly, cutter are total
At the cutter chuck holder adapted for including blade and fixed blade, the driving mechanism driving cutter chuck holder adapted rotation being connected with cutter chuck holder adapted, cutter chuck holder adapted rotation
Formula is fixedly connected on cutting tool assembly holder, and cutting tool assembly holder is connected with tractor, between tractor and cutting tool assembly holder
Regulating mechanism is set, which is used to adjust the height of cutter chuck holder adapted upper and lower directions.
Compared with prior art, there are following technique effects by the present invention：Using setting between tractor and cutting tool assembly
Regulating mechanism can effectively adjust the height of base of tool upper and lower directions, and then reach the driving blade mesh that contacts or detach with ground
, the depth that blade enters soil is set by the regulating mechanism, it can be ensured that the depth consistency of trench digging, operator only need hand
Tractor is held, when being operated without ditching, regulating mechanism makes blade be detached from ground, into without dismantling down cutting tool assembly
Come, you can plowing tractor is advanced, and the ditching machine is easy to operate, can significantly reduce the labor intensity of operator.
Description of the drawings
Fig. 1 is the structural schematic diagram that ditching machine is assemblied on hand tractor；
Fig. 2 is the structural schematic diagram being assemblied in when removing the mud guard on ditching machine on hand tractor；
Fig. 3 is the structural schematic diagram when cutting tool assembly of ditching machine is in trench digging operation；
Fig. 4 is the structural schematic diagram (omitting cutting tool assembly) of tail wheel assembly and the assembly of cutting tool assembly holder；
Fig. 5 is that regulating mechanism adjusts cutting tool assembly holder and the crossbeam of tail wheel assembly is in open state schematic diagram (omission
Cutting tool assembly)；
Fig. 6 is the front view of Fig. 4；
Fig. 7 is the I enlarged drawings of Fig. 5；
Fig. 8 is the II enlarged drawings of Fig. 4；
Fig. 9 is the structural schematic diagram of the regulating mechanism in embodiment one；
Figure 10 is the structural schematic diagram of the regulating mechanism in embodiment two；
Figure 11 is the structural schematic diagram of the regulating mechanism in embodiment two.
Specific implementation mode
In conjunction with Fig. 1 to Figure 11, the present invention is further described：
A kind of ditching machine, including cutting tool assembly 10, cutting tool assembly 10 include the cutter chuck holder adapted 12 of blade 11 and fixed blade 11,
The driving mechanism driving cutter chuck holder adapted 12 being connected with cutter chuck holder adapted 12 rotates, and 12 rotary type of cutter chuck holder adapted is fixedly connected on cutting tool assembly holder
On 20, cutting tool assembly holder 20 is connected with tractor, and regulating mechanism is arranged between tractor and cutting tool assembly holder 20, the adjusting
Mechanism is used to adjust the height of 12 upper and lower directions of cutter chuck holder adapted.
Using the regulating mechanism being arranged between tractor A and cutting tool assembly holder 20, come solve traditional ditching machine without
The drawbacks of method is to 12 up and down adjustment of cutter chuck holder adapted of cutting tool assembly 10, the regulating mechanism pass through the height for adjusting 12 upper and lower directions of cutter chuck holder adapted
Degree, i.e. adjusting cutter chuck holder adapted 12 to the corner dimension between cutting tool assembly holder 20 and the line and horizontal plane of tractor connecting place,
To achieve the purpose that blade 11 is driven to contact or detach with ground, blade 11 is set by the regulating mechanism and enters soil
Depth, it can be ensured that the depth consistency of trench digging, operator need to only hold tractor A, and when being operated without ditching, regulating mechanism makes
It obtains blade 11 to be detached from ground, into without disassembling cutting tool assembly 10, the walking of the person's of being conveniently operated plowing tractor, this is opened
Ditch machine is easy to operate, can significantly reduce the labor intensity of operator.
As the preferred embodiment of the present invention, utmostly to reduce the labor intensity of operator, the cutting tool assembly holder
Tail wheel assembly 30 is additionally provided on 20 back segments, tail wheel assembly 30 includes the crossbeam 31 being connect with cutting tool assembly holder 20, crossbeam 31
Front end and cutting tool assembly holder 20 it is hinged, the articulated shaft is horizontal and, the regulating mechanism vertical with tractor A direction of travel
It is arranged between cutting tool assembly holder 20 and crossbeam 31, regulating mechanism is for adjusting between cutting tool assembly holder 20 and crossbeam 31
Around the folding angle of articulated shaft.Operator is sitting on the tailstock of tail wheel assembly 30 when reality is ditched to nonirrigated farmland and operated, passes through people
Work or electronic or hydraulic oil cylinder driving mode drive regulating mechanism so that the blade 11 of cutting tool assembly 10 is contacted or taken off with ground
From.
The whole cutting tool assembly holder 20 is in pole shape, include the straight-bar 21 being arranged consistent with tractor direction of travel and
The side lever 22 extended to tractor direction of travel side, 21 front end of straight-bar connect with tractor, blade 11 and fixed blade 11
Cutter chuck holder adapted 12 is located at side lever 22 and suspends end set, and the crossbeam 31 is consistent with the length direction of straight-bar 21,31, the crossbeam
It is arranged in the top of cutting tool assembly holder 20,31 front end of crossbeam is articulated and connected with straight-bar 21.Tail wheel assembly 30 includes being arranged big
The tail wheel 32 of 31 rear end of beam, 32 core wheel of tail wheel is horizontal and rotary type is arranged on tail wheel yoke, and the setting of tail wheel yoke rotary type exists
31 rear end of crossbeam and pivot center is vertical is also extended with the tailstock beam 33 for mounted tailstock in 31 rear end of crossbeam, and operator sits
It is total to control cutter by hand-held regulating mechanism to adjust the folding angle of crossbeam 31 and lower section straight-bar 21 on tailstock
At 10 blade 11 and the separation on ground or contact, the labor intensity of operator can be substantially reduced.The tail wheel assembly 30 is in reality
During the use on border, tail wheel 32 can be swung by foot to realize the control to tractor direction of travel.
Preferably, for convenience of the folding angle adjusted between straight-bar 21 and crossbeam 31, the regulating mechanism is a lever knot
The shaft of structure, lever construction is hingedly arranged on straight-bar 21 or crossbeam 31, and one end of lever construction, which overhangs, constitutes activation lever knot
The driving mechanism that structure is rotated around articulated shaft, another free end of lever construction and the lower shaft of crossbeam 31 or the upper shaft structure of straight-bar 21
At against or far from cooperation.It is rotated around articulated shaft by above-mentioned lever construction projecting end activation lever structure, so that thick stick
The lower shaft of rod structure free end and crossbeam 31 or the upper shaft of straight-bar 21 are constituted against and then reaching to crossbeam 31 and straight-bar 21
Between open and close angle limit, pass through operator's activation lever structure projecting end so that lever around articulated shaft a rotate, to reach
Speed to the purpose for facilitating adjusting, the adjusting is fast, can be realized to 10 height of cutting tool assembly without excessive manual operation
It adjusts.
As the embodiment of the present invention one, in conjunction with shown in Fig. 9, the lever construction is hingedly to be arranged on crossbeam 31
Turnover panel 40, the articulated shaft is horizontal and vertical with tractor direction of travel, turnover panel 40 be a platy structure and plate length direction with
Tractor direction of travel is vertical, and rotary type is gone back on articulated shaft and is provided with tommy bar 43, and tommy bar 43 drives turnover panel 40 to be rotated around articulated shaft,
40 one end rotary type of turnover panel is arranged on articulated shaft, and other end both sides of the edge of the turnover panel 40 far from articulated shaft are arranged along plate length direction
There are guiding cambered surface 41, end plane 42 of the turnover panel 40 far from articulated shaft to be bonded with shaft on straight-bar 21 or separate.When tommy bar 43 drives
During dynamic turnover panel 40 rotates, end plane 42 with when shaft is bonded on straight-bar 21 so that straight-bar 21 is in crossbeam 31
The maximum state of angle, the blade 11 of cutting tool assembly 10 at this time are in the trench digging state contacted with ground, what turnover panel 40 rotated
Process, the blade 11 that straight-bar 21 at this time closes the state cutting tool assembly 10 closed with crossbeam 31 are in the shape that do not work being detached from ground
State, the guiding cambered surface 41 of the both sides of the edge setting of this kind of turnover panel 40, can avoid wedge angle cambered surface and is scraped caused by shaft on straight-bar 21
Wound, above-mentioned turnover panel 40 are simple in structure and easy to operate.
In conjunction with Fig. 4 and Fig. 5, for convenience of the adjusting to 40 turnover panel angle of turnover panel, it is provided with to tommy bar 43 on the crossbeam 31
The limiting plate 34 that rotational angle is limited, the shaft of tommy bar 43 passes through the strip-shaped hole being arranged on limiting plate 34, along strip-shaped hole
It is evenly-spaced on the inner wall of hole to set limiting slot, when needing to open up the groove of different depth, to pull tommy bar 43, so that
Tommy bar 43 is constituted with the limiting slot on limiting plate 34 to be coordinated, into the adjusting implemented to the rotational angle of turnover panel 43, to adjustable
Save the folding angle between crossbeam 31 and straight-bar 21.
As the embodiment of the present invention two, in conjunction with shown in Figure 10, the lever construction is the cam being arranged on crossbeam 31
50,51 rotary type of core wheel of cam 50 is arranged on crossbeam 31, the rotation axis cord horizontal of cam 50 and with tractor traveling side
To vertical, the core wheel 51 of driving mechanism driving cam 50 rotates, and the wheel rim of cam 50 is bonded with shaft on straight-bar 21.By moving
Handle 52 so that the rotation of cam 50, to can also facilitate the folding for realizing the angle between crossbeam 31 and straight-bar 21.
Similarly, in embodiment two, if wanting to realize the adjusting to cutting tool assembly ditching depth, it is a kind of same that embodiment can be used
Principle limited, identical limiting plate 34 and handle 53 are also set on crossbeam 31 and coordinated.
As the embodiment of the present invention three, in conjunction with shown in Figure 11, the regulating mechanism includes setting in cutting tool assembly holder,
Adjusting oil cylinder 60 between 20 and crossbeam 31, the tailpiece of the piston rod for adjusting oil cylinder 60 are connect with straight-bar 21, which can
It is connected against mode for idler wheel 61 shown in axis pin connection or Figure 11, utilizes the flexible of the piston rod for adjusting oil cylinder 60, control
It makes into the oil inlet quantity for adjusting oil cylinder 60, to facilitate the stroke for the piston rod for controlling to adjust oil cylinder 60, and then reaches to straight-bar
The control of angular dimension between 21 and crossbeam 31 can accurately control the blade of cutting tool assembly 10 in the way of adjusting oil cylinder 60
11 enter the depth of soil, so as to facilitate the ditching depth of control ditching machine.
For convenience of the limit of angle is opened and closed between crossbeam 31 and straight-bar 21, the front end of the crossbeam 31 is provided with limit spiral shell
The nut 44 of bar 70, the Limit screw 70 and the setting of 31 front end of crossbeam constitutes feed screw nut's cooperation, the rod end of Limit screw 70
It is constituted against or far from cooperation with the upper beam face of straight-bar 21.
Lockable mechanism 80 is additionally provided between cutting tool assembly holder 20 and crossbeam 31, lockable mechanism 80 is for preventing cutter total
It is located at the both sides side oscillation of vertical direction and tractor line direction at holder 20.
In conjunction with shown in Fig. 7 and Fig. 8, the lockable mechanism 80 includes the lock tongue 81 and cutting tool assembly branch for being located at 31 lower section of crossbeam
The lock 23 being arranged on frame 20 constitutes locking and opens cooperation；When crossbeam 31 and cutting tool assembly holder 20 are in conjunction and close, this kind lock
Cutting tool assembly 10 can be firmly locked in the crossbeam 31 of tail wheel assembly 30 by tongue 81 and the mode of 23 cooperation of lock, avoid cutter total
The shaking occurred at 10, and then the blade 11 of cutting tool assembly 10 and the wiping on ground is avoided to touch.
The lock tongue 81 is in pin shape, and length direction is arranged along the length direction of crossbeam 31, and lockable mechanism 80 also wraps
Include the casing 82 and guide pipe 84 being arranged in 31 underbeam face of crossbeam, casing 82 and 84 same core of guide pipe and with the length side of crossbeam 31
To parallel arrangement, lock tongue 81 is threaded through casing 82 and guide pipe 84 successively, and the front end of guide end 84 is stretched out in the front end of lock tongue 81
Nozzle and end are cone-shaped structure, and spring 83 is additionally provided on 81 shaft of lock tongue between casing 82 and guide pipe 84,
One end of the spring 83 with 81 shaft of lock pin is fixed, the other end is resisted against at the front end nozzle of casing 82, the elastic force of spring 83
The length direction that lock tongue 81 is located in casing 82 and guide pipe 84 along crossbeam 31 is driven to move forward, 23 displacement pipes of the lock
Shape structure, latch 23 tube core it is parallel with the length direction of straight-bar 21；
It is provided with handlebar stem 811 on the shaft of rear end 82 rear end of stretching casing of lock tongue 81, is opened with 82 rear end pipe of casing
Equipped with opening 821, handlebar stem 811 extends to the outside of casing 82 from opening 821, and opening 821 is opened along 82 pipe range direction of casing
If；
By handlebar stem 811 so that lock tongue 81 is slided along casing 82, the end of lock tongue 81 is latching at 23 nozzle positions
When, unclamp handlebar stem 811 so that lock tongue 81 imports in lock 23, to realize the locking between crossbeam 31 and straight-bar 21, prevents
The shaking of straight-bar 21.
Claims (9)
1. a kind of ditching machine, including cutting tool assembly (10), cutting tool assembly (10) includes the knife of blade (11) and fixed blade (11)
Disk seat (12), the driving mechanism driving cutter chuck holder adapted (12) being connected with cutter chuck holder adapted (12) rotate, and cutter chuck holder adapted (12) rotary type, which is fixed, to be connected
It is connected on cutting tool assembly holder (20), cutting tool assembly holder (20) is connected with tractor, it is characterised in that：Tractor is total with cutter
Regulating mechanism is set between holder (20), which is used to adjust the height of cutter chuck holder adapted (12) upper and lower directions；
It is additionally provided with tail wheel assembly (30) on cutting tool assembly holder (20) back segment, tail wheel assembly (30) includes and cutting tool assembly
The crossbeam (31) of holder (20) connection, the front end of crossbeam (31) is hinged with cutting tool assembly holder (20), the articulated shaft it is horizontal and
Vertical with tractor direction of travel, the regulating mechanism, which is located between cutting tool assembly holder (20) and crossbeam (31), to be arranged, and is adjusted
Mechanism is used to adjust the folding angle of cutting tool assembly holder (20) and the spaced winding articulated shaft of crossbeam (31).
2. ditching machine according to claim 1, it is characterised in that：The cutting tool assembly holder (20) is in integrally pole shape,
Include the straight-bar (21) being arranged consistent with tractor direction of travel and the side lever (22) extended to tractor direction of travel side, directly
Bar (21) front end is connect with tractor, and the cutter chuck holder adapted (12) of blade (11) and fixed blade (11) is located at side lever (22) suspension end
Setting, the crossbeam (31) is consistent with the length direction of straight-bar (21), and the crossbeam (31) is located at cutting tool assembly holder (20)
Top is arranged, and crossbeam (31) front end is articulated and connected with straight-bar (21).
3. ditching machine according to claim 2, it is characterised in that：The regulating mechanism is a lever construction, lever construction
Shaft be hingedly arranged on straight-bar (21) or crossbeam (31), one end of lever construction, which overhangs, constitutes activation lever structure around hinged
The dynamic driving mechanism of shaft rotation, another free end of lever construction are supported with the lower shaft of crossbeam (31) or the upper shaft composition of straight-bar (21)
It leans on or far from cooperation.
4. ditching machine according to claim 3, it is characterised in that：The lever construction is to be arranged on crossbeam (31)
Turnover panel (40), turnover panel (40) is a platy structure and plate length direction is vertical with tractor direction of travel, one end of turnover panel (40)
Hinged with crossbeam (31), articulated shaft is horizontal and vertical with tractor direction of travel, and rotary type is gone back on articulated shaft and is provided with tommy bar
(43), tommy bar (43) driving turnover panel (40) is rotated around articulated shaft, and other end both sides of the edge of the turnover panel (40) far from articulated shaft are along plate
Length direction is provided with guiding cambered surface (41), and end plane (42) of the turnover panel (40) far from articulated shaft is bonded with shaft on straight-bar (21)
Or it is separate.
5. ditching machine according to claim 3, it is characterised in that：The lever construction is that setting is convex on crossbeam (31)
Take turns (50), core wheel (51) rotary type of cam (50) is arranged on crossbeam (31), the rotation axis cord horizontal of cam (50) and with
Tractor direction of travel is vertical, core wheel (51) rotation of driving mechanism driving cam (50), the wheel rim and straight-bar of cam (50)
(21) shaft fitting or separate on.
6. ditching machine according to claim 2, it is characterised in that：The regulating mechanism includes being arranged in cutting tool assembly holder
(20) the adjusting oil cylinder (60) between crossbeam (31), the piston rod for adjusting oil cylinder (60) connect with straight-bar (21), adjust
The piston rod driving straight-bar (21) of oil cylinder (60) is rotated around articulated shaft.
7. according to the ditching machine described in claim 2 to 6 any one, it is characterised in that：The front end of the crossbeam (31) is arranged
There are Limit screw (70), the Limit screw (70) and nut (44) the composition feed screw nut of crossbeam (31) front end setting to coordinate,
The rod end of Limit screw (70) is constituted with the upper shaft of straight-bar (21) against cooperation.
8. according to the ditching machine described in claim 2 to 6 any one, it is characterised in that：Cutting tool assembly holder (20) and crossbeam
(31) lockable mechanism (80) is additionally provided between, lockable mechanism (80) is for preventing cutting tool assembly holder (20) to be located at vertical direction
And the both sides side oscillation of tractor line direction.
9. ditching machine according to claim 8, it is characterised in that：The lockable mechanism (80) includes being located under crossbeam (31)
The lock (23) being arranged on the lock tongue (81) of side and cutting tool assembly holder (20) constitutes locking and coordinates with unlatching；
The lock tongue (81) is in pin shape, and length direction is arranged along the length direction of crossbeam (31), and lockable mechanism (80) is also
Include casing (82) and guide pipe (84) of the setting in crossbeam (31) underbeam face, casing (82) and guide pipe (84) same core and with it is big
The length direction of beam (31) is arranged in parallel, and lock tongue (81) is threaded through casing (82) and guide pipe (84) successively, before lock tongue (81)
It is cone-shaped structure that the front end nozzle of guide end (84) and end are stretched out in end, between casing (82) and guide pipe (84)
Be additionally provided with spring (83) on lock tongue (81) shaft, one end of the spring (83) with lock pin (81) shaft is fixed, the other end supports
At the front end nozzle for leaning against casing (82), the elastic force of spring (83) drives lock tongue (81) to be located in casing (82) and guide pipe (84)
It is moved forward along the length direction of crossbeam (31), the lock (23) is tubular structure, latches the tube core and straight-bar of (23)
(21) length direction is parallel；
It is provided with handlebar stem (811), casing (82) rear end pipe shaft on the shaft of rear end stretching casing (82) rear end of lock tongue (81)
On offer opening (821), handlebar stem (811) extends to the outside of casing (82) from opening (821), and opening (821) is along set
Pipe (82) pipe range direction opens up.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105133682A CN105133682A (en) | 2015-12-09 |
| CN105133682B true 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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| CN (1) | CN105133682B (en) |
Families Citing this family (5)
| 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 |
| CN106489366B (en) * | 2016-10-28 | 2019-01-15 | 蔡庆梅 | Ditching machine |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205100271U (en) * | 2015-09-24 | 2016-03-23 | 田开林 | Ditcher |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8601048A (en) * | 1986-04-24 | 1987-11-16 | Lely Nv C Van Der | SOIL TILLER. |
| CN2236207Y (en) * | 1995-10-11 | 1996-10-02 | 保定农业机械厂 | Single ploughshare tractor plough |
| CN201188771Y (en) * | 2007-09-11 | 2009-02-04 | 曾宪权 | Miniature combined harvester |
| CN203369073U (en) * | 2013-07-04 | 2014-01-01 | 南京塞姆科技发展有限公司 | Rear-mounted ditcher |
| CN103703884B (en) * | 2013-12-30 | 2015-07-22 | 田开林 | Rear left-side type ditcher |
| CN104904352B (en) * | 2015-06-01 | 2017-06-30 | 湖北省烟草公司宜昌市公司 | Tobacco leaf planting all-in-one |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205100271U (en) * | 2015-09-24 | 2016-03-23 | 田开林 | Ditcher |
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