CN204125992U - Wheel-type furrower disc - Google Patents

Wheel-type furrower disc Download PDF

Info

Publication number
CN204125992U
CN204125992U CN201420439608.XU CN201420439608U CN204125992U CN 204125992 U CN204125992 U CN 204125992U CN 201420439608 U CN201420439608 U CN 201420439608U CN 204125992 U CN204125992 U CN 204125992U
Authority
CN
China
Prior art keywords
connecting portion
mentioned
ditching knife
wheel
furrower disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420439608.XU
Other languages
Chinese (zh)
Inventor
王海峰
闻敏杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Vocational and Technical College
Original Assignee
Jiaxing Vocational and Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaxing Vocational and Technical College filed Critical Jiaxing Vocational and Technical College
Priority to CN201420439608.XU priority Critical patent/CN204125992U/en
Application granted granted Critical
Publication of CN204125992U publication Critical patent/CN204125992U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Soil Working Implements (AREA)

Abstract

The utility model provides a kind of Wheel-type furrower disc, belongs to field of mechanical technique.It solve the baroque problem of existing Wheel-type furrower disc.This Wheel-type 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 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.This Wheel-type furrower disc structure is simple.

Description

Wheel-type furrower disc
Technical field
The utility model belongs to field of mechanical technique, relates 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 purpose of this utility model is the problems referred to above existed for prior art, provides a kind of stability of ditching high and loads and unloads easy Wheel-type furrower disc.
The purpose of this utility model realizes by following technical proposal: a kind of Wheel-type 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 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type 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 outside outer ditching knife, thus makes firmly to be resisted against connecting cylinder end inside outer ditching knife.
In above-mentioned Wheel-type 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 above-mentioned Wheel-type 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 above-mentioned Wheel-type 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 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, described sealing mat is rubber seal.
In above-mentioned Wheel-type furrower disc, described sealing mat is asbestos seal ring.
Rubber seal and asbestos seal ring can play good sealing function and cushioning effect.
In above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type 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.Irrigation canals and ditches can be set out on ground smoothly by outer ditching knife and interior ditching knife.
In above-mentioned Wheel-type 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, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type furrower disc, 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 above-mentioned Wheel-type 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, 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, this Wheel-type furrower disc 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 this Wheel-type furrower disc.
Fig. 2 is the sectional structure schematic diagram of this Wheel-type furrower disc.
Fig. 3 is the sectional structure schematic diagram of this Wheel-type furrower disc China and foreign countries ditching knife.
Fig. 4 is the sectional structure schematic diagram of interior ditching knife in this Wheel-type furrower disc.
Fig. 5 is the sectional structure schematic diagram of interior ditching knife and connecting cylinder junction in this Wheel-type furrower disc.
Fig. 6 is the sectional structure schematic diagram at clamping block place in this Wheel-type furrower disc.
Fig. 7 is the sectional structure schematic diagram of the outer ditching knife of this Wheel-type 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 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 (9)

1. a Wheel-type 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 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, 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, described nut size is less than positioning seat size, described positioning seat place has guard shield, 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, described guard shield sidepiece has the gear edge of protruding ringwise, above-mentioned gear is along being resisted against outside outer ditching knife.
2. Wheel-type furrower disc according to claim 1, is characterized in that, has the location structure both can located between described connecting cylinder and outer ditching knife.
3. Wheel-type furrower disc 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. Wheel-type furrower disc 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. Wheel-type furrower disc 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. Wheel-type furrower disc 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. Wheel-type furrower disc 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. Wheel-type furrower disc according to claim 7, 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.
9. Wheel-type furrower disc 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.
CN201420439608.XU 2014-08-06 2014-08-06 Wheel-type furrower disc Expired - Fee Related CN204125992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420439608.XU CN204125992U (en) 2014-08-06 2014-08-06 Wheel-type furrower disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420439608.XU CN204125992U (en) 2014-08-06 2014-08-06 Wheel-type furrower disc

Publications (1)

Publication Number Publication Date
CN204125992U true CN204125992U (en) 2015-01-28

Family

ID=52382360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420439608.XU Expired - Fee Related CN204125992U (en) 2014-08-06 2014-08-06 Wheel-type furrower disc

Country Status (1)

Country Link
CN (1) CN204125992U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105766148A (en) * 2016-05-10 2016-07-20 河南田冠农业机械制造有限公司 Furrowing machine for generating loose soil layer
CN109348784A (en) * 2018-10-12 2019-02-19 银川特锐宝信息技术服务有限公司 A kind of disc type dung sending ditching machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105766148A (en) * 2016-05-10 2016-07-20 河南田冠农业机械制造有限公司 Furrowing machine for generating loose soil layer
CN109348784A (en) * 2018-10-12 2019-02-19 银川特锐宝信息技术服务有限公司 A kind of disc type dung sending ditching machine

Similar Documents

Publication Publication Date Title
KR101250012B1 (en) Tree Uprooting Machine
CN204125992U (en) Wheel-type furrower disc
CN104213591A (en) Trenching disc
CN104322164B (en) Vineyard trench digging vine imbedding machine
CN204001009U (en) The interior ditching knife of furrower disc
CN204151839U (en) Disc type furrower disc device
CN205012383U (en) Chain formula ditching machine
CN204498596U (en) Rotary tillage, ridging ditching machine
CN104264733A (en) Ditching plate for ditcher
CN203872540U (en) Double-disc type furrowing machine
CN114586490B (en) Saline-alkali soil's soil improvement layering deep ploughing machine that digs
CN103749008B (en) Trench digging special vertical rotary plow
CN107318309A (en) Knife group for trench digging
CN105612834A (en) Dual-purpose shallow-ploughing and furrowing knife shaft
CN209403216U (en) A kind of infiltrating irrigation pipe laydown machine
CN102823344A (en) Subsoiling furrowing machine
CN209603149U (en) A kind of Simple adjustable backfilling of pipe canal device
CN207794171U (en) A kind of novel no ridge plough
CN208387222U (en) Vineyard ditching machine
CN106917390A (en) A kind of good mouse-way plough of using effect
CN205567023U (en) Orchard ditcher
CN105265050A (en) Trench digging seeder cooperating with rotocultivator
CN201467641U (en) Ridge forming and trenching cutter
CN107535097A (en) A kind of opposed type inclined rotary tillage device
CN202979628U (en) Double-disk opener

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: 20150128

Termination date: 20150806

EXPY Termination of patent right or utility model