CN104213591B - Trenching disc - Google Patents
Trenching disc Download PDFInfo
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- CN104213591B CN104213591B CN201410382857.4A CN201410382857A CN104213591B CN 104213591 B CN104213591 B CN 104213591B CN 201410382857 A CN201410382857 A CN 201410382857A CN 104213591 B CN104213591 B CN 104213591B
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- ditching knife
- connecting portion
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- furrower disc
- transmission shaft
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Abstract
The invention provides a trenching disc, and belongs to the technical field of machinery, which solves the problem of complicated structure of an existing trenching disc. The trenching disc comprises a transmission shaft, a connecting cylinder and two outer trenching cutters, wherein each outer trenching cutter is in a cross shape, the center of the crossing part of the outer trenching cutters is provided with a connecting part I, the transmission shaft is respectively provided with a connecting part II and a connecting part III in the axial direction, the transmission shaft penetrates through the two outer trenching cutters, the connecting part II and the connecting part III are jacked against the corresponding connecting part I, the jacking directions of the connecting part II and the connecting part III respectively face the part between the connecting part II and the connecting part III, and the two outer trenching cutters are respectively abutted against the two ends of the connecting cylinder under the jacking function. The trenching disc has a simple structure.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of ditching machine, particularly ditching machine
In furrower disc.
Background technology
Ditching machine has wide range of applications, and excavates narrow and deep ground hyposulculus in available architectural engineering
Groove buries the department such as subsoil drain or railway, post and telecommunications, urban construction underground for burying cable underground
With pipeline etc. it can also be used to orchard, herbary and other farm environment ditching-fertilizing,
Draining, irrigation.
Existing ditching machine is additionally to arrange a trench digging dress on the basis of common tractor
Put, in tractor driving process thus carry out the operation that irrigation canals and ditches are offered.
Chinese patent its publication number its publication number CN101278610B provides " a kind of farmland
Cutter-head of machine for making furrows ", it includes cutter axis and cutterhead, it is characterized in that: cutter axis exists
Cutterhead load segment and cutterhead positioning section two it is divided into from inside to outside with the section of cutterhead shaft hole matching
Part, cutterhead load segment is cylinder or truncated cone, and cutterhead positioning section is prism；
Corresponding with the cutterhead load segment of cutter axis and cutterhead positioning section, cutterhead axis hole is divided into cutterhead
Pilot hole and hole, cutterhead location, cutterhead pilot hole is interior cylindrical hole or interior truncated cones body opening,
Hole, cutterhead location is interior prism hole.
It solve singly-bound and the spline cutter head dismounting expense of the medium-term and long-term existence of prior art
Power, cutterhead can anti-loaded bad use and flimsy shortcomings.
But, furrower disc is a single disk body, furrower disc single in ditching operation
Trench digging effect is bad.If be applied in combination by multiple furrower discs, can involve how to again make
The problem that two furrower discs link together.And this problem is not currently being had
The solution of effect.
Chinese patent its publication number CN203194092U provides " a kind of ditching machine device ",
It is to be coupled by support, cutter-head of machine for making furrows, left trench digging tulwar, right trench digging tulwar, power
Axle, transmission case assembly, scattered soil cover composition；Cutter-head of machine for making furrows both sides are respectively equipped with 7 trench diggings
Tulwar carries out ditching and furrow bank is modified equipped with 2 cliff cuttves again by both sides simultaneously,
During work, ditching machine is coupled with tractor by hitch, will be dragged by universal joint assembly
The power of machine drawing is delivered to gearbox assembly, is delivered to the cutterhead assembly of subsoiling ditching machine again,
Washed by cutterhead 14 tulwars and cliff cutter and thrown same earth's surface, soil stream through dissipating soil cover and
Comb the soil shunting of tooth, equably spreading on furrow face, achieve the function of trench digging.
Although, above-mentioned patent structure is fairly simple, but, structure is complicated, tulwar of ditching
Load and unload loaded down with trivial details.
Other ditching machine existing the most all also exists similar problem.
Summary of the invention
It is an object of the invention to the problems referred to above existed for prior art, it is provided that Yi Zhongkai
The furrower disc that ditch stability is high and handling are easy.
The purpose of the present invention can be realized by following technical proposal: a kind of furrower disc, its
Being characterised by, it includes power transmission shaft, connecting cylinder and outer ditching knife, above-mentioned outer ditching knife in
Cross and there is connecting portion one, the quantity of above-mentioned outer ditching knife at the center of its infall
Being two, above-mentioned power transmission shaft is axially respectively provided with connecting portion two and connecting portion three along it, on
State power transmission shaft and be pressed in through two outer ditching knifes and connecting portion two and connecting portion three top corresponding
At connecting portion one, the pressure direction, top of above-mentioned connecting portion two and connecting portion three is all towards connecting portion
Between two and connecting portion three, two outer ditching knifes above-mentioned under above-mentioned top pressure effect divide
It is not resisted against the two ends of connecting cylinder.
Connecting portion two is connected with the connecting portion one of one of them outer ditching knife, connecting portion
The connecting portion one of three ditching knifes outer with another one is connected.Due to connecting portion three and company
The top pressure active force meeting portion two is all directed towards between connecting portion two and connecting portion three, therefore,
Pressure is pushed up by above-mentioned connecting portion two or connecting portion three in the outside of outer ditching knife.Outer ditching knife
Connected cylinder top, inner side pressure, so that two outer ditching knifes are the most firmly resisted against connection
At the two ends of cylinder.
Namely two outer ditching knifes are supported by connecting cylinder, so that two
Outer ditching knife is convenient and is securely attached to together.
In above-mentioned furrower disc, having between described connecting cylinder and outer ditching knife can be by two
The location structure of person location.
Can make together with connecting cylinder is securely attached to outer ditching knife by this location structure.
In above-mentioned furrower disc, described location structure includes recessed the determining of connecting cylinder sidepiece
Position groove, is embedded at above-mentioned locating slot in the middle part of above-mentioned outer ditching knife.
Match in the middle part of locating slot and ditching knife, outer trench digging can be prevented by such structure
Cutter rotates around the center.
In above-mentioned furrower disc, described location structure includes that connecting cylinder sidepiece two is in block
The locating piece that shape protrudes, in the middle part of above-mentioned outer ditching knife between two adjacent locating pieces.
Formed for positioning the groove-like structure in the middle part of outer ditching knife between two locating pieces.Logical
Cross two locating pieces thus easily by outer ditching knife stationary positioned.
In above-mentioned furrower disc, described outer ditching knife outer end has along outer ditching knife place
The cutter head of plain bending.
Irrigation canals and ditches can easily be set out on the ground by the cutter head of bending.
In above-mentioned furrower disc, described connecting portion one is for running through leading in the middle part of outer ditching knife
Hole.
Owing to the center of outer ditching knife has the through hole run through, therefore, two outer ditching knifes
Can be enclosed within power transmission shaft.
In above-mentioned furrower disc, the convex shoulder that described connecting portion two protrudes for power transmission shaft sidepiece
And convex shoulder is resisted against at the external port of corresponding outer ditching knife connecting portion one.
Convex shoulder is resisted against at the connecting portion one of outer ditching knife, so that this outer ditching knife is firm
Conflict in above-mentioned connecting cylinder end.
In above-mentioned furrower disc, described connecting portion three is for be threaded on power transmission shaft
Nut, and nut be resisted against correspondence outer ditching knife connecting portion one external port at.
Nut is threaded connection and can easily be connected on power transmission shaft.Passing through, nut is tight
It is pressed in outside outer ditching knife, so that being firmly resisted against connecting cylinder end inside outer ditching knife
Portion.
In above-mentioned furrower disc, at the external port of described connecting portion one, there is recessed location
Seat, above-mentioned positioning seat makes connecting portion one form a shoulder hole, and above-mentioned convex shoulder is resisted against location
At Zuo.
Positioning seat can make power transmission shaft be positioned at positioning seat with the junction of outer ditching knife, it is to avoid
Outside junction is exposed to.
In above-mentioned furrower disc, at the external port of described connecting portion one, there is recessed location
Seat, above-mentioned positioning seat makes connecting portion one form a shoulder hole, and above-mentioned nut is resisted against location
At Zuo.
The junction of nut ditching knife outer with another one is positioned at positioning seat, it is to avoid nut
Outside being exposed to the junction of outer ditching knife.
In above-mentioned furrower disc, described nut is smaller in size than positioning seat size, and described determines
Having guard shield at the seat of position, above-mentioned guard shield is enclosed within power transmission shaft and guard shield end is embedded in above-mentioned spiral shell
Gap location between cap and positioning seat.
Owing to needing often dismounting at nut, if earth or other foreign material enter at nut,
The normal handling of nut can be affected.Therefore, by guard shield, earth or other foreign material are stopped,
It is thus possible to convenient and stable handling nut.
In above-mentioned furrower disc, described guard shield sidepiece has the gear edge protruded ringwise, on
State gear along being resisted against outside outer ditching knife.
Gear is along being blocked in outside outer ditching knife, and increasing contact area rear shield can be stronger
It is connected to outside outer ditching knife.
In above-mentioned furrower disc, inside the outer ditching knife of said two, it is respectively provided with the convex edge of protrusion,
Above-mentioned through hole runs through described convex edge, also has support tube in described connecting cylinder, supports
Jacket casing is on power transmission shaft and the two ends of support tube are respectively fitted on the convex edge of correspondence.
The two ends of support tube are enclosed within the convex edge of correspondence, enter the inner side of two outer ditching knifes
Row support, it is to avoid outer ditching knife local pressure and deform.
In above-mentioned furrower disc, described convex edge is also cased with the sealing gasket of flexibility, above-mentioned
Between sealing gasket is pressed on inside support tube and outer ditching knife.
Sealing gasket can prevent the foreign material such as earth to be attached in cylinder.Meanwhile, it can also play
The effect of buffering, (should even if creating bigger gap between outer ditching knife and support tube
Gap is not more than the thickness of sealing gasket), outside also effectively being prevented by flexible sealing gasket
Ditching knife loosens.
In above-mentioned furrower disc, described sealing gasket is rubber seal.
In above-mentioned furrower disc, described sealing gasket is asbestos seal ring.
Rubber seal and asbestos seal ring can play good sealing function and buffering is made
With.
In above-mentioned furrower disc, the through hole at described connecting portion one is prismatic, above-mentioned transmission
There are on axle two circumferentially fixed portion and circumferentially fixed portions matched with through hole and be positioned at above-mentioned
Through hole.
Fixed part on power transmission shaft coordinates with the prismatic through hole at connecting portion one, can make transmission
Axle and two outer ditching knife firmly circumferences are fixed together.Energy during drive axis
Two outer ditching knifes of stable drive are along with together rotating.
In above-mentioned furrower disc, described connecting cylinder sidepiece also has interior ditching knife.
Outer trench digging cutter spacing is at connecting cylinder two ends, and interior ditching knife is positioned at connecting cylinder sidepiece.Logical
Cross outer ditching knife and interior ditching knife can set out irrigation canals and ditches on ground smoothly.
In above-mentioned furrower disc, described interior ditching knife takes the shape of the letter U and the two ends of its opening part
It is connected at the two ends of connecting cylinder.
The two ends of interior ditching knife are connected with the two ends of connecting cylinder, can make interior ditching knife and be connected
Cylinder is securely attached to together.Meanwhile, the bottom of the U-shaped indent of interior ditching knife and company
Connecing and have gap between cylinder, this section is the blade portion for excavating irrigation canals and ditches.
In above-mentioned furrower disc, described connecting cylinder axially has along it connection run through
Hole, connecting cylinder is stretched out in be positioned at above-mentioned connection hole and the connecting rod outer end of a connecting rod
End is connected with above-mentioned interior ditching knife end.
It is located in the two ends respectively with interior ditching knife, the connecting rod two ends of connection hole to be connected,
Firmly interior ditching knife can be connected to connecting cylinder end.
In above-mentioned furrower disc, described connecting rod outer end is threaded lock nut, on
State interior ditching knife end to be pressed between lock nut and connecting cylinder end.
The lock nut being threaded in connecting rod, can not only position interior ditching knife,
And its handling are the most more convenient.
In above-mentioned furrower disc, described connecting cylinder end has two position and locks protruded
Block, above-mentioned interior ditching knife outer end is between adjacent two clamping blocks.
The internal ditching knife of clamping block is spacing, in preventing in ditching operation ditching knife crooked or
Person is to come off.
In above-mentioned furrower disc, described connecting rod is also cased with a plate-shaped pressing plate, on
State pressing plate to be pressed between lock nut with clamping block and at pressing plate and adjacent two clamping blocks
Between formed for positioning the positioning chamber of interior ditching knife outer end.
Pressing plate is big with interior ditching knife contact area, is positioned by the internal ditching knife of pressing plate
Its position stability is high.
In above-mentioned furrower disc, described clamping block end has the shoulder block of protrusion, above-mentioned pressure
It is respectively provided with the projection of protrusion at the two ends of plate bottom, bears against right inside two projections
On the clamping block answered, the end of two projections is resisted against on the shoulder block of correspondence respectively.
Distance between outside distance between inside two projections and two clamping blocks matches,
It is thus possible to make stable the snapping onto on clamping block of pressing plate.Meanwhile, projection is stopped by shoulder block,
Can also prevent pressing plate from moving along interior ditching knife direction.
Compared with prior art, this furrower disc due to have two outer ditching knifes and several
Interior ditching knife, therefore, when offering irrigation canals and ditches, each position of width along irrigation canals and ditches can
Being excavated, its stability offering irrigation canals and ditches is higher.
Meanwhile, interior ditching knife is mainly responsible for offering the middle part of irrigation canals and ditches, and outer ditching knife is mainly used
In opening the wall portion relating to irrigation canals and ditches.Its irrigation canals and ditches quality of irrigation canals and ditches using this furrower disc to offer is high.
It addition, by connecting cylinder with support cylinder to the center of two outer ditching knifes and outward
Being supported at end, outer ditching knife stress equalization, its strength ratio is higher, has the highest
Practical value.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this furrower disc.
Fig. 2 is the sectional structure schematic diagram of this furrower disc.
Fig. 3 is the sectional structure schematic diagram of this furrower disc China and foreign countries ditching knife.
Fig. 4 is the sectional structure schematic diagram of interior ditching knife in this furrower disc.
Fig. 5 is the sectional structure signal of interior ditching knife and connecting cylinder junction in this furrower disc
Figure.
Fig. 6 is the sectional structure schematic diagram in this furrower disc at clamping block.
Fig. 7 is the sectional structure signal of the outer ditching knife of this furrower disc and connecting cylinder junction
Figure.
In figure, 1, power transmission shaft；1a, connecting portion two；1a1, convex shoulder；1b, connecting portion
Three；1b1, nut；1c, circumferentially fixed portion；2, connecting cylinder；2a, locating slot；2b、
Connecting hole；2c, clamping block；2c1, shoulder block；3, outer ditching knife；3a, connecting portion one；
3b, cutter head；3c, positioning seat；3d, convex edge；4, interior ditching knife；5, guard shield；5a、
Gear edge；6, support tube；7, sealing gasket；8, connecting rod；9, lock nut；10、
Pressing plate；10a, projection.
Detailed description of the invention
This furrower disc is used for being connected to ditching machine, and the actuating unit on ditching machine drives and opens
Ditch dish rotates, and sets out irrigation canals and ditches by the furrower disc rotated on ground.
As depicted in figs. 1 and 2, this furrower disc includes power transmission shaft 1, connecting cylinder 2, external-open
Ditch cutter 3 and interior ditching knife 4.
The quantity of outer ditching knife 3 is two, outer ditching knife 3 in cross, outer ditching knife
The center of 3 infalls has connecting portion one 3a.
As shown in Figure 3 and Figure 4, power transmission shaft 1 is axially respectively provided with connecting portion two 1a along it
With connecting portion three 1b, power transmission shaft 1 through two outer ditching knifes 3 and connecting portion two 1a with
Connecting portion three 1b top is pressed at connecting portion one 3a of correspondence.Connecting portion two 1a and connecting portion
The pressure direction, top of three 1b is all towards between connecting portion two 1a and connecting portion three 1b, above-mentioned
Top pressure effect under two above-mentioned outer ditching knifes 3 bear against at the two ends of connecting cylinder 2.
There is between connecting cylinder 2 and outer ditching knife 3 location structure that can both be positioned.
Location structure includes the locating slot 2a that connecting cylinder 2 sidepiece is recessed, in above-mentioned outer ditching knife 3
Portion is embedded at above-mentioned locating slot 2a.According to practical situation, location structure can also use separately
Outer a kind of scheme, it may be assumed that location structure includes what connecting cylinder 2 sidepiece two protruded in bulk
Locating piece, in the middle part of outer ditching knife 3 between two adjacent locating pieces.
Outer ditching knife 3 outer end has the cutter head 3b along outer ditching knife 3 place plain bending.
Connecting portion one 3a is the through hole running through outer ditching knife 3 center.Connecting portion two 1a is
Convex shoulder 1a1 and convex shoulder 1a1 that power transmission shaft 1 sidepiece protrudes are resisted against corresponding outer ditching knife
At the external port of 3 connecting portion one 3a.Connecting portion three 1b is for being threaded in power transmission shaft 1
On nut 1b1, and nut 1b1 be resisted against correspondence outer ditching knife 3 connecting portion one 3a
External port at.
In the present embodiment, there is at the external port of connecting portion one 3a recessed positioning seat 3c,
Positioning seat 3c makes connecting portion one 3a form a shoulder hole, and convex shoulder 1a1 is resisted against positioning seat
At 3c.There is at the external port of connecting portion one 3a recessed positioning seat 3c, positioning seat 3c
Making connecting portion one 3a form a shoulder hole, above-mentioned nut 1b1 is resisted against at positioning seat 3c.
Nut 1b1 is smaller in size than positioning seat 3c size, has guard shield 5 at positioning seat 3c,
Guard shield 5 is enclosed within power transmission shaft 1, and guard shield 5 end is embedded in above-mentioned nut 1b1 and positioning seat
Gap location between 3c.In the present embodiment, guard shield 5 sidepiece has the gear protruded ringwise
Along 5a, gear is resisted against outside outer ditching knife 3 along 5a.
As shown in Fig. 5 and Fig. 6 and Fig. 7, inside two outer ditching knifes 3, it is respectively provided with protrusion
Convex edge 3d, the through hole at connecting portion one 3a runs through described convex edge 3d, connecting cylinder 2
The most also having support tube 6, support tube 6 is enclosed within power transmission shaft 1 and the two ends of support tube 6
It is respectively fitted on the convex edge 3d of correspondence.
Also being cased with the sealing gasket 7 of flexibility on the 3d of convex edge, sealing gasket 7 is pressed on support tube
6 and outer ditching knife 3 inside between.In the present embodiment, sealing gasket 7 is rubber seal,
According to practical situation, sealing gasket be asbestos seal ring be also feasible.
Through hole at connecting portion one 3a is prismatic, power transmission shaft 1 has two with through hole phase
The circumferentially fixed portion 1c and circumferentially fixed portion 1c of coupling are positioned at above-mentioned through hole.
Connecting cylinder 2 sidepiece also has interior ditching knife 4, and interior ditching knife 4 takes the shape of the letter U and it is opened
Two ends at Kou are connected at the two ends of connecting cylinder 2.
Axially there is on connecting cylinder 2 the connecting hole 2b run through along it, a connecting rod 8
Being positioned at above-mentioned connecting hole 2b, connecting cylinder 2 end is stretched out with above-mentioned in connecting rod 8 outer end
Interior ditching knife 4 end be connected.
Connecting rod 8 outer end is threaded lock nut 9, and interior ditching knife 4 end is by tightly
It is pressed between lock nut 9 and connecting cylinder 2 end.In the present embodiment, connecting cylinder 2 end
Portion has two position and lock block 2c protruded, and interior ditching knife 4 outer end is positioned at adjacent two locks
Determine between block 2c.
Also being cased with a plate-shaped pressing plate 10 in connecting rod 8, pressing plate 10 is pressed on lock
Determine between nut 9 and clamping block 2c, shape between pressing plate 10 with adjacent two clamping block 2c
Become the positioning chamber for positioning interior ditching knife 4 outer end.
Clamping block 2c end has the shoulder block 2c1 of protrusion, at the two ends of pressing plate 10 bottom
It is respectively provided with the projection 10a of protrusion, bears against inside two projection 10a at corresponding lock
Determining on block 2c, the end of two projection 10a is resisted against on the shoulder block 2c1 of correspondence respectively.
Connecting portion two 1a is connected with connecting portion one 3a of one of them outer ditching knife 3,
Connecting portion one 3a of connecting portion three 1b ditching knife 3 outer with another one is connected.By
In the top of connecting portion three 1b and connecting portion two 1a, pressure active force is all directed towards connecting portion two 1a
And between connecting portion three 1b, therefore, the outside of outer ditching knife 3 is by above-mentioned connecting portion two
1a or connecting portion three 1b top pressure.The inner side of outer ditching knife 3 is connected cylinder 2 top pressure, from
And make two outer ditching knifes 3 the most firmly be resisted against at the two ends of connecting cylinder 2.
Meanwhile, the two ends of support tube 6 are enclosed within the convex edge 3d of correspondence, ditch outside two
The inner side of cutter 3 is supported, it is to avoid outer ditching knife 3 local pressure and deform.Namely
Saying, the outside of outer ditching knife 3 is transmitted axle 1 top pressure, in the inner side of outer ditching knife 3
The heart is pushed up pressure by support tube 6, and the center of outer ditching knife 3 is connected cylinder 2 top pressure.
The two ends of interior ditching knife 4 are connected with the two ends of connecting cylinder 2, can make interior ditching knife 4
Together with being securely attached to connecting cylinder 2.Meanwhile, the U-shaped indent of interior ditching knife 4
Bottom and connecting cylinder 2 between there is gap, this section is for excavating the blade portion of irrigation canals and ditches.
Be located in connecting rod 8 two ends at connecting hole 2b respectively with the two ends phase of interior ditching knife 4
Connection, firmly can be connected to connecting cylinder 2 end by interior ditching knife 4.The company of being threaded in
Lock nut 9 on extension bar 8, can not only position interior ditching knife 4, and its handling
The most more convenient.
Clamping block 2c is spacing to interior ditching knife 4, ditching knife 4 in preventing in ditching operation
Crooked or come off.Pressing plate 10 is big with interior ditching knife 4 contact area, passes through pressing plate
In 10 pairs, ditching knife 4 positions its position stability height.Between inside two projection 10a
Distance and two clamping block 2c outside between distance match, it is thus possible to make pressing plate 10
Stable snaps onto on clamping block 2c.Meanwhile, projection 10a is stopped by shoulder block 2c1, also
Can prevent pressing plate 10 from moving along interior ditching knife 4 direction.
Having the ditching machine of this furrower disc during ditching operation, interior ditching knife 4 is main
Being responsible for excavating the depth direction of irrigation canals and ditches, the outer ditching knife 3 of both sides is used for revising ditch
The both sides of canal.
Claims (8)
1. a furrower disc, it is characterised in that it includes power transmission shaft, connecting cylinder and external-open
Ditch cutter, above-mentioned outer ditching knife is cross and has connecting portion one at the center of its infall,
The quantity of above-mentioned outer ditching knife is two, and above-mentioned power transmission shaft is axially respectively provided with connection along it
Portion two and connecting portion three, above-mentioned power transmission shaft passes two outer ditching knifes and connecting portion two and connects
Connect top, portion three and be pressed at the connecting portion one of correspondence, above-mentioned connecting portion two and the top of connecting portion three
Pressure direction all towards between connecting portion two and connecting portion three, under above-mentioned top pressure effect on
Two the outer ditching knifes stated bear against the two ends at connecting cylinder, described connecting cylinder sidepiece
Also having interior ditching knife, described interior ditching knife takes the shape of the letter U and the two ends difference of its opening part
It is connected at the two ends of connecting cylinder.
Furrower disc the most according to claim 1, it is characterised in that described connection
There is between cylinder and outer ditching knife the location structure that can both be positioned.
Furrower disc the most according to claim 2, it is characterised in that described location
Structure includes the locating slot that connecting cylinder sidepiece is recessed, is embedded in above-mentioned in the middle part of above-mentioned outer ditching knife
At locating slot.
Furrower disc the most according to claim 2, it is characterised in that described location
Structure includes the locating piece that connecting cylinder sidepiece two protrudes in bulk, in above-mentioned outer ditching knife
Portion is positioned between two adjacent locating pieces.
Furrower disc the most according to claim 1, it is characterised in that described external-open
Ditch cutter outer end has the cutter head along outer ditching knife place plain bending.
Furrower disc the most according to claim 1, it is characterised in that described connection
Portion one is to run through the through hole in the middle part of outer ditching knife.
Furrower disc the most according to claim 1, it is characterised in that described connection
Convex shoulder and convex shoulder that portion two protrudes for power transmission shaft sidepiece are resisted against corresponding outer ditching knife and connect
At the external port in portion one.
Furrower disc the most according to claim 1, it is characterised in that described connection
Portion three is the nut being threaded on power transmission shaft, and nut is resisted against the outer trench digging of correspondence
At the external port of cutter connecting portion one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382857.4A CN104213591B (en) | 2014-08-06 | 2014-08-06 | Trenching disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382857.4A CN104213591B (en) | 2014-08-06 | 2014-08-06 | Trenching disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104213591A CN104213591A (en) | 2014-12-17 |
| CN104213591B true CN104213591B (en) | 2017-01-11 |
Family
ID=52095474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410382857.4A Active CN104213591B (en) | 2014-08-06 | 2014-08-06 | Trenching disc |
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| Country | Link |
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| CN (1) | CN104213591B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108207186B (en) * | 2018-03-14 | 2023-09-26 | 河北农业大学 | Accurate high-foot positioning topdressing machine for corn and application method thereof |
| CN108738572A (en) * | 2018-06-05 | 2018-11-06 | 塔里木大学 | A kind of orchard essence amount ditching-fertilizing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392350Y (en) * | 1999-11-23 | 2000-08-23 | 董春生 | Cutter-head of machine for making furrows |
| CN201036259Y (en) * | 2007-03-27 | 2008-03-19 | 顾军 | Trencher |
| CN101278610B (en) * | 2008-05-26 | 2011-05-04 | 葛玉明 | Cutter-head of machine for making furrows in farmland |
| US8720352B2 (en) * | 2010-02-11 | 2014-05-13 | HPFM Drill Co., LLC | Apparatus for hill plot farming of cereal grain crops |
| CN202153838U (en) * | 2011-07-29 | 2012-03-07 | 东北农业大学 | Three-direction adjustable soil covering compactor |
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2014
- 2014-08-06 CN CN201410382857.4A patent/CN104213591B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104213591A (en) | 2014-12-17 |
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