CN204001009U - The interior ditching knife of furrower disc - Google Patents
The interior ditching knife of furrower disc Download PDFInfo
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- CN204001009U CN204001009U CN201420439710.XU CN201420439710U CN204001009U CN 204001009 U CN204001009 U CN 204001009U CN 201420439710 U CN201420439710 U CN 201420439710U CN 204001009 U CN204001009 U CN 204001009U
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Abstract
The utility model provides a kind of interior ditching knife of furrower disc, belongs to field of mechanical technique.It has solved the baroque problem of interior ditching knife of existing furrower disc.This furrower disc 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 respectively connecting portion two and connecting portion three along it, above-mentioned power transmission shaft passes two outer ditching knifes and connecting portion two and connecting portion three tops and is pressed in corresponding connecting portion one place, the top of above-mentioned connecting portion two and connecting portion three presses direction all between connecting portion two and connecting portion three, under above-mentioned top pressure effect, outside above-mentioned two, ditching knife is resisted against respectively the two ends of connecting cylinder.The interior ditching knife of this furrower disc is simple in structure.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the interior ditching knife of the furrower disc in a kind of ditching machine, particularly ditching machine.
Background technology
Ditching machine has wide range of applications, in available construction work, excavate narrow and dark ground lower groove and bury the departments 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 is that a ditching device is additionally set on the basis of common tractor, thereby in tractor driving process, carries out the operation that irrigation canals and ditches are offered.
Its publication number of its publication number of Chinese patent CN101278610B provide " 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 being divided into cutterhead load segment and cutterhead positioning section two parts from inside to outside with the section of cutterhead shaft hole matching, cutterhead load segment is cylinder or truncated cone, and cutterhead positioning section is prism; Corresponding with cutterhead load segment and the cutterhead positioning section of cutter axis, 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 has solved, and singly-bound and the dismounting of spline cutter head of the medium-term and long-term existence of prior art are required great effort, 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 multiple furrower discs are used in combination, can relate to again the problem that how to make two furrower discs link together.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 that 7 trench digging tulwars are ditched and both sides are equipped with again 2 cliff cuttves simultaneously furrow bank is revised, in the time of work, ditching machine connects with tractor by hitch, by universal joint assembly, the power of tractor is delivered to gearbox assembly, is delivered to the cutterhead assembly of subsoiling ditching machine again, by 14 tulwar and cliff cutter being washed and thrown same earth's surface on cutterhead, soil stream through loose soil cover and comb the shunting of native tooth, equably spreading on furrow face, realized 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.
Existing other ditching machine also all exists similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, provides a kind of stability of ditching high and load and unload the interior ditching knife of easy furrower disc.
The purpose of this utility model can realize by following technical proposal: a kind of interior ditching knife of furrower disc, 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 respectively connecting portion two and connecting portion three along it, above-mentioned power transmission shaft passes two outer ditching knifes and connecting portion two and connecting portion three tops and is pressed in corresponding connecting portion one place, the top of above-mentioned connecting portion two and connecting portion three presses direction all between connecting portion two and connecting portion three, under above-mentioned top pressure effect, outside above-mentioned two, ditching knife is resisted against respectively the two ends of connecting cylinder.
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.Pressing active force due to the top of connecting portion three and connecting portion two is all between connecting portion two and connecting portion three, and 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 and presses, thereby makes two outer ditching knifes firmly be resisted against respectively the two ends place of connecting cylinder.
Namely two outer ditching knifes support by connecting cylinder, thereby make two outer ditching knifes convenience and firmly link together.
In the interior ditching knife of above-mentioned furrower disc, between described connecting cylinder and outer ditching knife, having can be by the location structure of both location.
Can make connecting cylinder and outer ditching knife firmly link together by this location structure.
In the interior ditching knife of above-mentioned furrower disc, described location structure comprises the locating slot that connecting cylinder sidepiece is recessed, and above-mentioned outer ditching knife middle part is embedded in above-mentioned locating slot place.
Locating slot and ditching knife middle part match, and can prevent that by such structure outer ditching knife from rotating around the center.
In the interior ditching knife of above-mentioned furrower disc, described location structure comprises that two of connecting cylinder sidepieces are the block locating piece protruding, and above-mentioned outer ditching knife middle part is between two adjacent locating pieces.
Between two locating pieces, be formed for locating the groove shape structure at outer ditching knife middle part.Thereby by two locating pieces easily by outer ditching knife stationary positioned.
In the interior ditching knife of above-mentioned furrower disc, described outer ditching knife outer end has along the cutter head of outer ditching knife place plain bending.
Can easily set out on the ground irrigation canals and ditches by bending cutter head.
In the interior ditching knife of above-mentioned furrower disc, described connecting portion one is for running through the through hole at outer ditching knife middle part.
Because the center of outer ditching knife has the through hole running through, therefore, two outer ditching knifes can be enclosed within on power transmission shaft.
In the interior ditching knife of above-mentioned furrower disc, the convex shoulder that described connecting portion two is power transmission shaft sidepiece protrusion 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, thereby this outer ditching knife is firmly conflicted in above-mentioned connecting cylinder end.
In the interior ditching knife of above-mentioned furrower disc, 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 outer ditching knife outside, thereby makes outer ditching knife inner side firmly be resisted against connecting cylinder end.
In the interior ditching knife of above-mentioned furrower disc, 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 interior ditching knife of above-mentioned furrower disc, 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 interior ditching knife of above-mentioned furrower disc, 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 on power transmission shaft and guard shield end is embedded in the gap location between above-mentioned nut and positioning seat.
Because nut place needs often dismounting, if earth or other foreign material enter nut place, can affect the normal handling of nut.Therefore, by guard shield, earth or other foreign material are stopped, thus can convenient and stable handling nut.
In the interior ditching knife of above-mentioned furrower disc, described guard shield sidepiece has the gear edge of protruding ringwise, and above-mentioned gear is along being resisted against outer ditching knife outside.
Gear, along being blocked in outer ditching knife outside, increasing contact area rear shield and can more firmly be connected to outer ditching knife outside.
In the interior ditching knife of above-mentioned furrower disc, described two outer ditching knife inner sides all have 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 on power transmission shaft and the two ends of support tube are enclosed within respectively on corresponding convex edge.
The two ends of support tube are enclosed within on corresponding convex edge, and the inner side of two outer ditching knifes is supported, and avoid outer ditching knife local pressure and are out of shape.
In the interior ditching knife of above-mentioned furrower disc, on described convex edge, also cover has flexible sealing mat, above-mentioned sealing mat to be pressed between support tube and outer ditching knife inner side.
Sealing mat can prevent that the foreign material such as earth from carrying out in connecting cylinder.Meanwhile, it can also play the effect of buffering, even if produced larger gap (this gap is not more than the thickness of sealing mat) between outer ditching knife and support tube, also can effectively prevent that by flexible sealing mat outer ditching knife is loosening.
In the interior ditching knife of above-mentioned furrower disc, described sealing mat is rubber seal.
In the interior ditching knife of above-mentioned furrower disc, described sealing mat is asbestos seal ring.
Rubber seal and asbestos seal ring can play good sealing function and cushioning effect.
In the interior ditching knife of above-mentioned furrower disc, the through hole at described connecting portion one place is prismatic, on above-mentioned power transmission shaft, have two circumferential fixed parts that match with through hole and circumferentially fixed position 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 circumferentially be fixed together.Two outer ditching knifes of drive that can be stable in power transmission shaft rotation process are along with together rotating.
In the interior ditching knife of above-mentioned furrower disc, 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.Can set out irrigation canals and ditches on ground smoothly by outer ditching knife and interior ditching knife.
In the interior ditching knife of above-mentioned furrower disc, 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, can make interior ditching knife and connecting cylinder firmly link together.Meanwhile, between the bottom of the U-shaped indent of interior ditching knife and connecting cylinder, have gap, this section is for excavating the blade portion of irrigation canals and ditches.
In the interior ditching knife of above-mentioned furrower disc, on described connecting cylinder, axially there is along it connecting hole running through, a connecting rod be positioned at that connecting cylinder end is stretched out in above-mentioned connection hole and connecting rod outer end and above-mentioned ditching knife end is connected.
The connecting rod two ends that are located in connection hole are connected with the two ends of interior ditching knife respectively, can firmly interior ditching knife be connected to connecting cylinder end.
In the interior ditching knife of above-mentioned furrower disc, the described connecting rod outer end lock nut that has been threaded, 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 be also more convenient.
In the interior ditching knife of above-mentioned furrower disc, described connecting cylinder end has the position and lock piece of two protrusions, and above-mentioned interior ditching knife outer end is between adjacent two clamping blocks.
The internal ditching knife of clamping block is spacing, prevent in ditching operation in ditching knife crooked or come off.
In the interior ditching knife of above-mentioned furrower disc, on described connecting rod, also cover has one to be tabular pressing plate, and above-mentioned pressing plate is pressed between lock nut and clamping block and between pressing plate and adjacent two clamping blocks, is formed for locating the positioning chamber of interior ditching knife outer end.
Pressing plate and interior ditching knife contact area are large, position its position stability high by the internal ditching knife of pressing plate.
In the interior ditching knife of above-mentioned furrower disc, 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, and two projection inner sides are resisted against respectively on corresponding clamping block, and the end of two projections is resisted against respectively on corresponding shoulder block.
Distance between distance and two clamping blocks outside between two projection inner sides matches, thereby can make stable the snapping onto on clamping block of pressing plate.Meanwhile, shoulder block stops projection, can also prevent that pressing plate from moving along interior ditching knife direction.
Compared with prior art, this furrower disc is owing to having ditching knife in two outer ditching knifes and several, and therefore, the each position of width along irrigation canals and ditches in the time offering irrigation canals and ditches can be excavated, and its stability of 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 that relates to irrigation canals and ditches.Its irrigation canals and ditches quality of irrigation canals and ditches that adopts this furrower disc to offer is high.
In addition, by connecting cylinder and support cylinder, center and the outer end place to two outer ditching knifes supports, outer ditching knife stress equalization, and its strength ratio is higher, has very high practical value.
Brief description of the drawings
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 be in this furrower disc in the sectional structure schematic diagram of ditching knife and connecting cylinder junction.
Fig. 6 is the sectional structure schematic diagram at clamping block place in this furrower disc.
Fig. 7 is the sectional structure schematic diagram of the outer ditching knife of this furrower disc and 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 used 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 rotating 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 cross, and the center of outer ditching knife 3 infalls has connecting portion one 3a.
As shown in Figure 3 and Figure 4, power transmission shaft 1 axially has respectively connecting portion two 1a and connecting portion three 1b along it, and power transmission shaft 1 passes two outer ditching knifes 3 and connecting portion two 1a and connecting portion three 1b tops and is pressed in corresponding connecting portion one 3a place.The top of connecting portion two 1a and connecting portion three 1b presses direction all between connecting portion two 1a and connecting portion three 1b, and under above-mentioned top pressure effect, outside above-mentioned two, ditching knife 3 is resisted against respectively the two ends of connecting cylinder 2.
Between connecting cylinder 2 and outer ditching knife 3, having can be by the location structure of both location.Location structure comprises the locating slot 2a that connecting cylinder 2 sidepieces are recessed, and above-mentioned outer ditching knife 3 middle parts are embedded in above-mentioned locating slot 2a place.According to actual conditions, location structure also can adopt another scheme, that is: location structure comprises that two of connecting cylinder 2 sidepieces are the block locating piece protruding, and outer ditching knife 3 middle parts are between two adjacent locating pieces.
Outer ditching knife 3 outer ends have along the cutter head 3b of outer ditching knife 3 place plain bendings.
Connecting portion one 3a is the through hole that runs through outer ditching knife 3 centers.Connecting portion two 1a are the external port place that the convex shoulder 1a1 that protrudes of power transmission shaft 1 sidepiece and convex shoulder 1a1 are resisted against corresponding outer ditching knife 3 connecting portion one 3a.Connecting portion three 1b are the nut 1b1 being 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 on power transmission shaft 1, and guard shield 5 ends are embedded in the gap location between above-mentioned nut 1b1 and positioning seat 3c.In the present embodiment, guard shield 5 sidepieces have the gear protruding ringwise along 5a, and gear is resisted against outer ditching knife 3 outsides along 5a.
As shown in Fig. 5 and Fig. 6 and Fig. 7, two outer ditching knife 3 inner sides all have 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 on power transmission shaft 1 and the two ends of support tube 6 are enclosed within respectively on corresponding convex edge 3d.
On the 3d of convex edge, also cover has flexible sealing mat 7, sealing mat 7 to be pressed between support tube 6 and outer ditching knife 3 inner sides.In the present embodiment, sealing mat 7 is rubber seal, and according to actual conditions, sealing mat is that asbestos seal ring is also feasible.
The through hole at connecting portion one 3a place is prismatic, has two circumferential fixed part 1c and circumferential fixed part 1c that match with through hole and be positioned at above-mentioned through hole on power transmission shaft 1.
Connecting cylinder 2 sidepieces also have 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.
On connecting cylinder 2, axially there is along it connecting hole 2b running through, a connecting rod 8 be positioned at above-mentioned connecting hole 2b place, connecting cylinder 2 ends are stretched out in connecting rod 8 outer ends and above-mentioned interior ditching knife 4 ends are connected.
The connecting rod 8 outer ends lock nut 9 that has been threaded, interior ditching knife 4 ends are pressed between lock nut 9 and connecting cylinder 2 ends.In the present embodiment, connecting cylinder 2 ends have the position and lock piece 2c of two protrusions, and interior ditching knife 4 outer ends are between adjacent two clamping block 2c.
On connecting rod 8, also cover has one to be tabular pressing plate 10, and pressing plate 10 is pressed between lock nut 9 and clamping block 2c, is formed for locating the positioning chamber of interior ditching knife 4 outer ends 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 bottoms all has the projection 10a of protrusion, and two projection 10a inner sides are resisted against respectively corresponding clamping block 2c above, and the end of two projection 10a is resisted against respectively on corresponding shoulder block 2c1.
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 the outer ditching knife 3 of connecting portion three 1b and another one is connected.Pressing active force due to the top of connecting portion three 1b and connecting portion two 1a is all between connecting portion two 1a and connecting portion three 1b, and therefore, the outside of outer ditching knife 3 is pressed by above-mentioned connecting portion two 1a or connecting portion three 1b tops.The inner side of outer ditching knife 3 is connected cylinder 2 tops and presses, thereby makes two outer ditching knifes 3 firmly be resisted against respectively the two ends place of connecting cylinder 2.
Meanwhile, it is upper that the two ends of support tube 6 are enclosed within corresponding convex edge 3d, and the inner side of two outer ditching knifes 3 is supported, and avoids outer ditching knife 3 local pressures and be out of shape.That is to say, the outside of outer ditching knife 3 is transmitted axle 1 top and presses, and press on supported cylinder 6 tops, center of the inner side of outer ditching knife 3, and the center of outer ditching knife 3 is connected cylinder 2 tops and presses.
The two ends of interior ditching knife 4 are connected with the two ends of connecting cylinder 2, can make interior ditching knife 4 firmly link together with connecting cylinder 2.Meanwhile, between the bottom of the U-shaped indent of interior ditching knife 4 and connecting cylinder 2, have gap, this section is for excavating the blade portion of irrigation canals and ditches.Connecting rod 8 two ends that are located in connecting hole 2b place are connected with the two ends of interior ditching knife 4 respectively, can firmly interior ditching knife 4 be connected to connecting cylinder 2 ends.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, prevent in ditching operation in ditching knife 4 crooked or come off.Pressing plate 10 is large with interior ditching knife 4 contacts area, by pressing plate 10, interior ditching knife 4 is positioned to its position stability high.Distance between distance and two clamping block 2c outside between two projection 10a inner sides matches, thereby can make stable the snapping onto on clamping block 2c of pressing plate 10.Meanwhile, shoulder block 2c1 stops projection 10a, can also prevent that pressing plate 10 from moving along interior ditching knife 4 directions.
Have the ditching machine of this furrower disc in ditching operation process, main being responsible for of interior ditching knife 4 excavated the depth direction of irrigation canals and ditches, and the outer ditching knife 3 of both sides is for revising the both sides of irrigation canals and ditches.
Claims (6)
1. the interior ditching knife of a furrower disc, 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 respectively connecting portion two and connecting portion three along it, above-mentioned power transmission shaft passes two outer ditching knifes and connecting portion two and connecting portion three tops and is pressed in corresponding connecting portion one place, the top of above-mentioned connecting portion two and connecting portion three presses direction all between connecting portion two and connecting portion three, under above-mentioned top pressure effect, outside above-mentioned two, ditching knife is resisted against respectively the two ends of connecting cylinder, described connecting cylinder sidepiece also has interior ditching knife, 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, on described connecting cylinder, axially there is along it connecting hole running through, a connecting rod be positioned at that connecting cylinder end is stretched out in above-mentioned connection hole and connecting rod outer end and above-mentioned ditching knife end is connected, the described connecting rod outer end lock nut that has been threaded, above-mentioned interior ditching knife end is pressed between lock nut and connecting cylinder end.
2. the interior ditching knife of furrower disc according to claim 1, is characterized in that, between described connecting cylinder and outer ditching knife, having can be by the location structure of both location.
3. the interior ditching knife of furrower disc according to claim 2, is characterized in that, described location structure comprises the locating slot that connecting cylinder sidepiece is recessed, and above-mentioned outer ditching knife middle part is embedded in above-mentioned locating slot place.
4. the interior ditching knife of furrower disc according to claim 1, is characterized in that, described connecting cylinder end has the position and lock piece of two protrusions, and above-mentioned interior ditching knife outer end is between adjacent two clamping blocks.
5. the interior ditching knife of furrower disc according to claim 4, it is characterized in that, on described connecting rod, also cover has one to be tabular pressing plate, and above-mentioned pressing plate is pressed between lock nut and clamping block and between pressing plate and adjacent two clamping blocks, is formed for locating the positioning chamber of interior ditching knife outer end.
6. the interior ditching knife of furrower disc according to claim 5, it is characterized in that, 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, two projection inner sides are resisted against respectively on corresponding clamping block, and the end of two projections is resisted against respectively on corresponding shoulder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439710.XU CN204001009U (en) | 2014-08-06 | 2014-08-06 | The interior ditching knife of furrower disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439710.XU CN204001009U (en) | 2014-08-06 | 2014-08-06 | The interior ditching knife of furrower disc |
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| Publication Number | Publication Date |
|---|---|
| CN204001009U true CN204001009U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439710.XU Expired - Fee Related CN204001009U (en) | 2014-08-06 | 2014-08-06 | The interior ditching knife of furrower disc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104969693A (en) * | 2015-03-27 | 2015-10-14 | 安徽省绿福农业科技股份有限公司 | Cutter wheel of double-wheel furrow opener |
-
2014
- 2014-08-06 CN CN201420439710.XU patent/CN204001009U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104969693A (en) * | 2015-03-27 | 2015-10-14 | 安徽省绿福农业科技股份有限公司 | Cutter wheel of double-wheel furrow opener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150806 |
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| EXPY | Termination of patent right or utility model |