CN104264733A - Ditching plate for ditcher - Google Patents
Ditching plate for ditcher Download PDFInfo
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- CN104264733A CN104264733A CN201410382573.5A CN201410382573A CN104264733A CN 104264733 A CN104264733 A CN 104264733A CN 201410382573 A CN201410382573 A CN 201410382573A CN 104264733 A CN104264733 A CN 104264733A
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Abstract
The invention provides a ditching plate for a ditcher, belongs to the technical field of machinery and solves the problem that the present ditching plate of a ditcher is complicated in structure. The ditching plate comprises a transmission shaft, a connecting cylinder and two external ditching tools, wherein the two external ditching tools are cross-shaped, and a connecting part I is arranged in the center of each of the intersections; the transmission shaft is provided with a connecting part II and a connecting part III in the axial direction and penetrates the two external ditching tools; the connecting part II and the connecting part III jack the corresponding connecting parts I; the jacking directions of the connecting part II and the connecting part III both face toward the part between the connecting part II and the connecting part III; and under the jacking action, the two external ditching tools are respectively propped against the two ends of the connecting cylinder. The ditching plate for the ditcher is simple in structure.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the furrower disc in a kind of ditching machine, particularly ditching machine.
Background technology
Ditching machine has wide range of applications, excavate narrow and dark ground lower groove in available construction work and bury the department such as subsoil drain or railway, post and telecommunications, urban construction underground for burying cable and pipeline etc. underground, also can be used for orchard, herbary and other farm environment ditching-fertilizing, draining, irrigation.
Existing ditching machine additionally arranges a ditching device on the basis of common tractor, carries out the operation that irrigation canals and ditches offer in tractor driving process.
Its publication number of its publication number of Chinese patent CN101278610B provides " a kind of cutter-head of machine for making furrows in farmland ", it comprises cutter axis and cutterhead, it is characterized in that: cutter axis is divided into cutterhead load segment and cutterhead positioning section two parts from inside to outside at the section with cutterhead shaft hole matching, 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 cutterhead locating hole, and cutterhead pilot hole is interior cylindrical hole or interior truncated cones body opening, and cutterhead locating hole is interior prism hole.
It solve singly-bound and the spline cutter head dismounting effort of the medium-term and long-term existence of prior art, cutterhead can anti-loaded bad use and flimsy shortcoming.
But furrower disc is an independent disk body, furrower disc trench digging effect single in ditching operation is bad.If combinationally used by multiple furrower disc, the problem how making two furrower discs link together can be related to again.And this problem does not obtain effective solution current.
Its publication number of Chinese patent CN203194092U provides " a kind of ditching machine device ", and it is made up of support, cutter-head of machine for making furrows, left trench digging tulwar, right trench digging tulwar, power coupling spindle, transmission case assembly, loose soil cover; Cutter-head of machine for making furrows both sides are respectively equipped with 7 trench digging tulwars and are carried out ditching and both sides are equipped with again 2 cliff cuttves simultaneously and are revised furrow bank, operationally ditching machine is connected with tractor by hitch, by universal joint assembly by the power transmission of tractor to gearbox assembly, the cutterhead assembly being delivered to subsoiling ditching machine again, by cutterhead 14 is washed tulwar and cliff cutter and has been thrown same earth's surface, shunting, equably spreading that soil flows through loose soil cover and combs native tooth on furrow face, achieve the function of trench digging.
Although above-mentioned patent structure is fairly simple, complex structure, the handling of trench digging tulwar are loaded down with trivial details.
Other ditching machine existing also all also exists similar problem.
Summary of the invention
The object of the invention is the problems referred to above existed for prior art, provide a kind of stability of ditching high and load and unload the furrower disc of easy ditching machine.
Object of the present invention realizes by following technical proposal: a kind of furrower disc of ditching machine, it is characterized in that, it comprises power transmission shaft, connecting cylinder and outer ditching knife, 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, above-mentioned power transmission shaft axially has connecting portion two and connecting portion three respectively along it, above-mentioned power transmission shaft is through two outer ditching knifes and connecting portion two and connecting portion three top are pressed in corresponding connecting portion one place, the pressure direction, top of above-mentioned connecting portion two and connecting portion three is all towards between connecting portion two and connecting portion three, two outer ditching knifes above-mentioned under above-mentioned top pressure effect are resisted against the two ends of connecting cylinder respectively.
Connecting portion two is connected with the connecting portion one of one of them outer ditching knife, and connecting portion three is connected with the connecting portion one of the outer ditching knife of another one.Because the top pressure active force of connecting portion three and connecting portion two is all 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.The inner side of outer ditching knife is connected cylinder top pressure, thus makes two outer ditching knifes firmly be resisted against the two ends place of connecting cylinder respectively.
Namely two outer ditching knifes are supported by connecting cylinder, thus make two outer ditching knifes conveniently and firmly link together.
In the furrower disc of above-mentioned ditching machine, there is between described connecting cylinder and outer ditching knife the location structure both can located.
Connecting cylinder and outer ditching knife can be made firmly to link together by this location structure.
In the furrower disc of above-mentioned ditching machine, described location structure comprises the recessed locating slot of connecting cylinder sidepiece, is embedded in above-mentioned locating slot place in the middle part of above-mentioned outer ditching knife.
Match in the middle part of locating slot and ditching knife, can prevent outer ditching knife from rotating around the center by such structure.
In the furrower disc of above-mentioned ditching machine, described location structure comprises connecting cylinder sidepiece two in the block locating piece protruded, in the middle part of above-mentioned outer ditching knife between two adjacent locating pieces.
The channel-shaped structure for locating in the middle part of outer ditching knife is formed between two locating pieces.By two locating pieces thus easily by outer ditching knife stationary positioned.
In the furrower disc of above-mentioned ditching machine, described outer ditching knife outer end has the cutter head along outer ditching knife place plain bending.
Irrigation canals and ditches can easily be set out on the ground by bending cutter head.
In the furrower disc of above-mentioned ditching machine, described connecting portion one is for running through the through hole in the middle part of outer ditching knife.
Center due to outer ditching knife has the through hole run through, and therefore, two outer ditching knifes can be enclosed within power transmission shaft.
In the furrower disc of above-mentioned ditching machine, the convex shoulder that described connecting portion two protrudes for power transmission shaft sidepiece and convex shoulder are resisted against the external port place of corresponding outer ditching knife connecting portion one.
Convex shoulder is resisted against connecting portion one place of outer ditching knife, thus this outer ditching knife is firmly conflicted in above-mentioned connecting cylinder end.
In the furrower disc of above-mentioned ditching machine, described connecting portion three is for being threaded in the nut on power transmission shaft, and nut is resisted against the external port place of corresponding outer ditching knife connecting portion one.
Nut is threaded connection and can easily be connected on power transmission shaft.Pass through, nut is pressed on outside outer ditching knife, thus makes firmly to be resisted against connecting cylinder end inside outer ditching knife.
In the furrower disc of above-mentioned ditching machine, the external port place of described connecting portion one has recessed positioning seat, and above-mentioned positioning seat makes connecting portion one form a shoulder hole, and above-mentioned convex shoulder is resisted against positioning seat place.
Positioning seat can make the junction of power transmission shaft and outer ditching knife be positioned at positioning seat place, avoids outside junction is exposed to.
In the furrower disc of above-mentioned ditching machine, the external port place of described connecting portion one has recessed positioning seat, and above-mentioned positioning seat makes connecting portion one form a shoulder hole, and above-mentioned nut is resisted against positioning seat place.
The junction of the outer ditching knife of nut and another one is positioned at positioning seat place, avoids outside the junction of nut and outer ditching knife is exposed to.
In the furrower disc of above-mentioned ditching machine, described nut size is less than positioning seat size, and described positioning seat place has guard shield, and above-mentioned guard shield is enclosed within power transmission shaft and guard shield end and is embedded in gap location between above-mentioned nut and positioning seat.
Because nut place needs often dismounting, if earth or other foreign material enter nut place, the normal handling of nut can be affected.Therefore, by guard shield, earth or other foreign material are stopped, thus handling nut that can be convenient and stable.
In the furrower disc of above-mentioned ditching machine, described guard shield sidepiece has the gear edge of protruding ringwise, and above-mentioned gear is along being resisted against outside outer ditching knife.
Gear, along being blocked in outside outer ditching knife, increases contact area rear shield and can more firmly be connected to outside outer ditching knife.
In the furrower disc of above-mentioned ditching machine, all there is inside described two outer ditching knifes the convex edge of protrusion, above-mentioned through hole runs through described convex edge, also has support tube in described connecting cylinder, and support tube is enclosed within power transmission shaft and the two ends of support tube and is enclosed within respectively on corresponding convex edge.
The two ends of support tube are enclosed within corresponding convex edge, support, avoid outer ditching knife local pressure and be out of shape the inner side of two outer ditching knifes.
In the furrower disc of above-mentioned ditching machine, on described convex edge, also cover has flexible sealing mat, between above-mentioned sealing mat is pressed on inside support tube and outer ditching knife.
Sealing mat can prevent the foreign material such as earth from carrying out in connecting cylinder.Meanwhile, it can also play the effect of buffering, even if create larger gap (this gap is not more than the thickness of sealing mat) between outer ditching knife and support tube, also can effectively prevent outer ditching knife from loosening by the sealing mat of flexibility.
In the furrower disc of above-mentioned ditching machine, described sealing mat is rubber seal.
In the furrower disc of above-mentioned ditching machine, described sealing mat is asbestos seal ring.
Rubber seal and asbestos seal ring can play good sealing function and cushioning effect.
In the furrower disc of above-mentioned ditching machine, the through hole at described connecting portion one place is prismatic, above-mentioned power transmission shaft has two circumferential fixed parts and circumferential fixed position matched with through hole in above-mentioned through hole.
Fixed part on power transmission shaft coordinates with the prismatic through hole at connecting portion one place, can make power transmission shaft and two outer ditching knifes firmly circumference be fixed together.Drive two outer ditching knifes that can be stable in drive axis process are along with together rotating.
In the furrower disc of above-mentioned ditching machine, described connecting cylinder sidepiece also has interior ditching knife.
Outer trench digging cutter spacing is in connecting cylinder two ends place, and interior ditching knife is positioned at connecting cylinder sidepiece.Irrigation canals and ditches can be set out on ground smoothly by outer ditching knife and interior ditching knife.
In the furrower disc of above-mentioned ditching machine, described interior ditching knife takes the shape of the letter U and the two ends of its opening part are connected to the two ends place of connecting cylinder.
The two ends of interior ditching knife are connected with the two ends of connecting cylinder, and interior ditching knife and connecting cylinder can be made firmly to link together.Meanwhile, have gap between the bottom of the U-shaped indent of interior ditching knife and connecting cylinder, this section is the blade portion for excavating irrigation canals and ditches.
In the furrower disc of above-mentioned ditching machine, described connecting cylinder axially has the connecting hole run through along it, a connecting rod be positioned at above-mentioned connection hole and connecting cylinder end is stretched out in connecting rod outer end and above-mentioned ditching knife end is connected.
The connecting rod two ends being located in connection hole are connected with the two ends of interior ditching knife respectively, firmly interior ditching knife can be connected to connecting cylinder end.
In the furrower disc of above-mentioned ditching machine, described connecting rod outer end has been threaded lock nut, and above-mentioned interior ditching knife end is pressed between lock nut and connecting cylinder end.
Be threaded in the lock nut on connecting rod, interior ditching knife can not only be located, and its handling are also more convenient.
In the furrower disc of above-mentioned ditching machine, described connecting cylinder end has two position and lock blocks protruded, and above-mentioned interior ditching knife outer end is between adjacent two clamping blocks.
The internal ditching knife of clamping block is spacing, prevents ditching knife in ditching operation crooked or come off.
In the furrower disc of above-mentioned ditching machine, on described connecting rod, also cover has one in the pressing plate of tabular, and above-mentioned pressing plate to be pressed between lock nut and clamping block and the positioning chamber formed between pressing plate and adjacent two clamping blocks for locating interior ditching knife outer end.
Pressing plate and interior ditching knife contact area greatly, position its position stability by the internal ditching knife of pressing plate high.
In the furrower disc of above-mentioned ditching machine, described clamping block end has the shoulder block of protrusion, the two ends place of above-mentioned pressing plate bottom all has the projection of protrusion, is resisted against on corresponding clamping block inside two projections respectively, and the end of two projections is resisted against on corresponding shoulder block respectively.
Distance between outside distance between inside two projections and two clamping blocks matches, thus can make stable the snapping onto on clamping block of pressing plate.Meanwhile, projection stops by shoulder block, can also prevent pressing plate from moving along interior ditching knife direction.
Compared with prior art, the furrower disc of this ditching machine is owing to having two outer ditching knifes and ditching knife in several, and therefore, can be excavated along each position of the width of irrigation canals and ditches when offering irrigation canals and ditches, its stability offering irrigation canals and ditches is higher.
Meanwhile, interior ditching knife primary responsibility offers 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 the irrigation canals and ditches adopting this furrower disc to offer is high.
In addition, supported the center of two outer ditching knifes and outer end place by connecting cylinder and support cylinder, outer ditching knife stress equalization, its strength ratio is higher, has very high practical value.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the furrower disc of this ditching machine.
Fig. 2 is the sectional structure schematic diagram of the furrower disc of this ditching machine.
Fig. 3 is the sectional structure schematic diagram of the furrower disc China and foreign countries ditching knife of this ditching machine.
Fig. 4 is the sectional structure schematic diagram of interior ditching knife in the furrower disc of this ditching machine.
Fig. 5 is the sectional structure schematic diagram of interior ditching knife and connecting cylinder junction in the furrower disc of this ditching machine.
Fig. 6 is the sectional structure schematic diagram at clamping block place in the furrower disc of this ditching machine.
Fig. 7 is the outer ditching knife of furrower disc of this ditching machine and the sectional structure schematic diagram of connecting cylinder junction.
In figure, 1, power transmission shaft; 1a, connecting portion two; 1a1, convex shoulder; 1b, connecting portion three; 1b1, nut; 1c, circumferential fixed part; 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 mat; 8, connecting rod; 9, lock nut; 10, pressing plate; 10a, projection.
Detailed description of the invention
This furrower disc is for being connected to ditching machine, and the actuating unit on ditching machine drives furrower disc to rotate, and sets out irrigation canals and ditches by the furrower disc rotated on ground.
As depicted in figs. 1 and 2, this furrower disc comprises power transmission shaft 1, connecting cylinder 2, outer ditching knife 3 and interior ditching knife 4.
The quantity of outer ditching knife 3 is two, and outer ditching knife 3 is in cross, and the center of outer ditching knife 3 infall has connecting portion one 3a.
As shown in Figure 3 and Figure 4, power transmission shaft 1 axially has connecting portion two 1a and connecting portion three 1b respectively along it, and power transmission shaft 1 is through two outer ditching knifes 3 and connecting portion two 1a and connecting portion three 1b top is pressed in corresponding connecting portion one 3a place.The pressure direction, top of connecting portion two 1a and connecting portion three 1b is all towards between connecting portion two 1a and connecting portion three 1b, and two outer ditching knifes 3 above-mentioned under above-mentioned top pressure effect are resisted against the two ends of connecting cylinder 2 respectively.
There is between connecting cylinder 2 and outer ditching knife 3 location structure both can located.Location structure comprises the recessed locating slot 2a of connecting cylinder 2 sidepiece, is embedded in above-mentioned locating slot 2a place in the middle part of above-mentioned outer ditching knife 3.According to actual conditions, location structure also can adopt another scheme, that is: location structure comprises connecting cylinder 2 sidepiece two in the block locating piece protruded, 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 the convex shoulder 1a1 that protrudes of power transmission shaft 1 sidepiece and convex shoulder 1a1 is resisted against the external port place of corresponding outer ditching knife 3 connecting portion one 3a.Connecting portion three 1b is the nut 1b1 be threaded on power transmission shaft 1, and nut 1b1 is resisted against the external port place of corresponding outer ditching knife 3 connecting portion one 3a.
In the present embodiment, the external port place of connecting portion one 3a has recessed positioning seat 3c, and positioning seat 3c makes connecting portion one 3a form a shoulder hole, and convex shoulder 1a1 is resisted against positioning seat 3c place.The external port place of connecting portion one 3a has recessed positioning seat 3c, and positioning seat 3c makes connecting portion one 3a form a shoulder hole, and above-mentioned nut 1b1 is resisted against positioning seat 3c place.
Nut 1b1 size is less than positioning seat 3c size, and positioning seat 3c place has guard shield 5, and guard shield 5 is enclosed within power transmission shaft 1, and guard shield 5 end is embedded in the gap location between above-mentioned nut 1b1 and positioning seat 3c.In the present embodiment, guard shield 5 sidepiece has the gear that protrudes ringwise along 5a, keeps off and being resisted against outside outer ditching knife 3 along 5a.
As shown in Fig. 5 and Fig. 6 and Fig. 7, all there is inside two outer ditching knifes 3 the convex edge 3d of protrusion, the through hole at connecting portion one 3a place runs through described convex edge 3d, also has support tube 6 in connecting cylinder 2, and support tube 6 is enclosed within the power transmission shaft 1 and two ends of support tube 6 and is enclosed within respectively on corresponding convex edge 3d.
On the 3d of convex edge, also cover has flexible sealing mat 7, between sealing mat 7 is pressed on inside support tube 6 and outer ditching knife 3.In the present embodiment, sealing mat 7 is rubber seal, and according to actual conditions, sealing mat is asbestos seal ring is also feasible.
The through hole at connecting portion one 3a place is prismatic, power transmission shaft 1 has two circumferential fixed part 1c matched with through hole and circumferential fixed part 1c is 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 the two ends of its opening part are connected to the two ends place of connecting cylinder 2.
Connecting cylinder 2 axially has the connecting hole 2b run through along it, a connecting rod 8 be positioned at above-mentioned connecting hole 2b place, connecting rod 8 outer end stretches out connecting cylinder 2 end and above-mentioned interior ditching knife 4 end is connected.
Connecting rod 8 outer end has been threaded lock nut 9, and interior ditching knife 4 end is pressed between lock nut 9 and connecting cylinder 2 end.In the present embodiment, connecting cylinder 2 end has two position and lock block 2c protruded, and interior ditching knife 4 outer end is between adjacent two clamping block 2c.
On connecting rod 8, also cover has one in the pressing plate 10 of tabular, and pressing plate 10 is pressed between lock nut 9 and clamping block 2c, forms the positioning chamber for locating interior ditching knife 4 outer end between pressing plate 10 and adjacent two clamping block 2c.
Clamping block 2c end has the shoulder block 2c1 of protrusion, and the two ends place of pressing plate 10 bottom all has the projection 10a of protrusion, is resisted against on corresponding clamping block 2c inside two projection 10a respectively, and the end of two projection 10a is resisted against on corresponding shoulder block 2c1 respectively.
Connecting portion one 3a of connecting portion two 1a and one of them outer ditching knife 3 is connected, and connecting portion one 3a of connecting portion three 1b and the outer ditching knife 3 of another one is connected.Because the top pressure active force of connecting portion three 1b and connecting portion two 1a is all towards between connecting portion two 1a and connecting portion three 1b, therefore, pressure is pushed up by above-mentioned connecting portion two 1a or connecting portion three 1b in the outside of outer ditching knife 3.The inner side of outer ditching knife 3 is connected cylinder 2 and pushes up pressure, thus makes two outer ditching knifes 3 firmly be resisted against the two ends place of connecting cylinder 2 respectively.
Meanwhile, the two ends of support tube 6 are enclosed within corresponding convex edge 3d, support, avoid outer ditching knife 3 local pressure and be out of shape the inner side of two outer ditching knifes 3.That is, the outside of outer ditching knife 3 is transmitted axle 1 and pushes up pressure, and pressure is pushed up by support tube 6 in the center of the inner side of outer ditching knife 3, and the center of outer ditching knife 3 is connected cylinder 2 and pushes up pressure.
The two ends of interior ditching knife 4 are connected with the two ends of connecting cylinder 2, and interior ditching knife 4 can be made firmly to link together with connecting cylinder 2.Meanwhile, have gap between the bottom of the U-shaped indent of interior ditching knife 4 and connecting cylinder 2, this section is the blade portion for excavating irrigation canals and ditches.Connecting rod 8 two ends being located in connecting hole 2b place are connected with the two ends of interior ditching knife 4 respectively, firmly interior ditching knife 4 can be connected to connecting cylinder 2 end.Be threaded in the lock nut 9 on connecting rod 8, interior ditching knife 4 can not only be located, and its handling are also more convenient.
Clamping block 2c is spacing to interior ditching knife 4, prevents ditching knife 4 in ditching operation crooked or come off.Pressing plate 10 is large with interior ditching knife 4 contact area, positions its position stability high by pressing plate 10 to interior ditching knife 4.Distance between outside distance between inside two projection 10a and two clamping block 2c matches, thus can make stable the snapping onto on clamping block 2c of pressing plate 10.Meanwhile, projection 10a stops by shoulder block 2c1, can also prevent pressing plate 10 from moving along interior ditching knife 4 direction.
Have the ditching machine of this furrower disc in ditching operation process, the depth direction of interior ditching knife 4 primary responsibility to irrigation canals and ditches excavates, and the outer ditching knife 3 of both sides is for revising the both sides of irrigation canals and ditches.
Claims (10)
1. the furrower disc of a ditching machine, it is characterized in that, it comprises power transmission shaft, connecting cylinder and outer ditching knife, 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, above-mentioned power transmission shaft axially has connecting portion two and connecting portion three respectively along it, above-mentioned power transmission shaft is through two outer ditching knifes and connecting portion two and connecting portion three top are pressed in corresponding connecting portion one place, the pressure direction, top of above-mentioned connecting portion two and connecting portion three is all towards between connecting portion two and connecting portion three, two outer ditching knifes above-mentioned under above-mentioned top pressure effect are resisted against the two ends of connecting cylinder respectively.
2. the furrower disc of ditching machine according to claim 1, is characterized in that, has the location structure both can located between described connecting cylinder and outer ditching knife.
3. the furrower disc of ditching machine according to claim 2, is characterized in that, described location structure comprises the recessed locating slot of connecting cylinder sidepiece, is embedded in above-mentioned locating slot place in the middle part of above-mentioned outer ditching knife.
4. the furrower disc of ditching machine according to claim 2, is characterized in that, described location structure comprises connecting cylinder sidepiece two in the block locating piece protruded, in the middle part of above-mentioned outer ditching knife between two adjacent locating pieces.
5. the furrower disc of ditching machine according to claim 1, is characterized in that, described outer ditching knife outer end has the cutter head along outer ditching knife place plain bending.
6. the furrower disc of ditching machine according to claim 1, is characterized in that, described connecting portion one is for running through the through hole in the middle part of outer ditching knife.
7. the furrower disc of ditching machine according to claim 6, is characterized in that, the convex shoulder that described connecting portion two protrudes for power transmission shaft sidepiece and convex shoulder are resisted against the external port place of corresponding outer ditching knife connecting portion one.
8. the furrower disc of ditching machine according to claim 6, is characterized in that, described connecting portion three is for being threaded in the nut on power transmission shaft, and nut is resisted against the external port place of corresponding outer ditching knife connecting portion one.
9. the furrower disc of ditching machine according to claim 1, is characterized in that, the external port place of described connecting portion one has recessed positioning seat, and above-mentioned positioning seat makes connecting portion one form a shoulder hole, and above-mentioned convex shoulder is resisted against positioning seat place.
10. the furrower disc of ditching machine according to claim 1, is characterized in that, the external port place of described connecting portion one has recessed positioning seat, and above-mentioned positioning seat makes connecting portion one form a shoulder hole, and above-mentioned nut is resisted against positioning seat place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382573.5A CN104264733B (en) | 2014-08-06 | 2014-08-06 | The furrower disc of ditching machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382573.5A CN104264733B (en) | 2014-08-06 | 2014-08-06 | The furrower disc of ditching machine |
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| CN104264733A true CN104264733A (en) | 2015-01-07 |
| CN104264733B CN104264733B (en) | 2016-08-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006094711A (en) * | 2004-09-28 | 2006-04-13 | Sukigara Noki Kk | Ditching wheel-driving apparatus of no-tilling direct sowing machine |
| CN101507384A (en) * | 2009-03-19 | 2009-08-19 | 黄东明 | Cutter-head of machine for making furrows |
| CN201536474U (en) * | 2009-11-09 | 2010-08-04 | 东莞市开拓机械制造有限公司 | Ditching type rotary cultivator |
| CN203708768U (en) * | 2014-02-25 | 2014-07-16 | 杨戈 | Built-in ditcher tool for north biological reactor |
-
2014
- 2014-08-06 CN CN201410382573.5A patent/CN104264733B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006094711A (en) * | 2004-09-28 | 2006-04-13 | Sukigara Noki Kk | Ditching wheel-driving apparatus of no-tilling direct sowing machine |
| CN101507384A (en) * | 2009-03-19 | 2009-08-19 | 黄东明 | Cutter-head of machine for making furrows |
| CN201536474U (en) * | 2009-11-09 | 2010-08-04 | 东莞市开拓机械制造有限公司 | Ditching type rotary cultivator |
| CN203708768U (en) * | 2014-02-25 | 2014-07-16 | 杨戈 | Built-in ditcher tool for north biological reactor |
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| CN104264733B (en) | 2016-08-17 |
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