CN105284209A - Blade unit and blade unit assembly used for forming punching ventilator - Google Patents
Blade unit and blade unit assembly used for forming punching ventilator Download PDFInfo
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- CN105284209A CN105284209A CN201510382203.6A CN201510382203A CN105284209A CN 105284209 A CN105284209 A CN 105284209A CN 201510382203 A CN201510382203 A CN 201510382203A CN 105284209 A CN105284209 A CN 105284209A
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- punching
- blade unit
- ventilator
- blade
- back shaft
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Abstract
The present invention discloses a blade unit and blade unit assembly used for forming a punching ventilator (10) operating a working vehicle. The punching ventilator (10) is rotatingly supported at a plurality of blade units (18) on a support shaft. The punching ventilator (10) is driven by a torque received by the working vehicle through a power-output shaft. Each blade unit (18) comprises a hub, a pair of sharp teeth and a cutter blade related to each sharp tooth. The hub of each blade unit (18) comprises a junction part at any one end portion limited at the hub. In the operation process of the punching ventilator (10), blade units (18) are joined with each other through the junction parts, and the torque is transmitted from one blade unit (18) to another blade unit. The stress on the support shaft may be reduced, and the replacing of damaged blade units (18) may be easier, therefore the maintenance cost and the downtime of the punching ventilator (10) may be reduced.
Description
Technical field
The present invention relates to a kind of blade unit for cultivating.Particularly, the present invention relates to the assembly of the multiple blade units for the formation of punching ventilator.
Background technology
Sowing in field is make Soil ventilation for the benefit of the crop/seed of cultivating.Fully ventilative soil can make air, water and nutriment penetrate into the root of crop.This contributes to producing healthy crop.
Traditionally, plough that is that animal drives or mechanization is used to work the fields.Only use plough is found to be deficiency for the Soil ventilation made in field.Therefore, for realizing the better ventilative of soil, need fully to pulverize or chesson.
The better pulverizing of soil or loose requirement are caused to the appearance of rotovator, this rotovator is also referred to as punching ventilator (aerator).Punching ventilator comprises by the Power output of working truck (PTO) shaft-driven blade apparatus.At least one blade contacts continuously with field.Power from PTO axle causes blade to rotate, and the rotation of blade causes the pulverizing of soil in field or loose.
Attempt continuously, to improve the punching pulverizing that realizes of ventilator or loose quality.But conventional punching ventilator locks into several defect.A defect of conventional punching ventilator is, when safeguarding single blade, punching ventilator can not be operated.This causes a large amount of time delays of the preparation to the field for cultivating.Further, another defect of conventional punching ventilator is bolted device to install the requirement of each blade, the situation of the loss of bolt in the quantity which increasing involved element and the operating process adding in field.Thus, except producing a large amount of retardation time in the maintenance process of punching ventilator, conventional punching ventilator also relates to higher maintenance cost and running cost.
Therefore, think and need a kind of punching ventilator, this punching ventilator, by by subtracting reduced-maintenance frequency fully and reducing the retardation time in farming field, overcomes the defect of conventional punching ventilator.
Summary of the invention
The present invention can realize following object, thus overcomes the defect of prior art:
An object of the present invention is to provide a kind of punching ventilator relating to reduction maintenance requirement.
An extra object of the present invention is to provide a kind of punching ventilator relating to the maintenance cost of reduction.
Another object of the present invention is to provide the another kind of punching ventilator reducing the downtime of cultivating.
Another object of the present invention is to provide a kind of punching ventilator that can pulverize fully or loosen the soil.
Also object of the present invention is to provide one and punches efficiently ventilator.
When be combined with accompanying drawing study specification of the present invention carefully time, other object of the present invention will be apparent.The accompanying drawing provided herein is only illustrative, and is not intended to limit the scope of the invention and boundary.
The present invention relates to blade unit and form the assembly blade unit of punching ventilator, the ventilator that wherein punches cooperates with the working truck of particularly tractor, for pulverize or soil in loose field is used for cultivating.Punching ventilator of the present invention cooperates with the working truck of particularly tractor via three point linkage mechanisms (TPL).Punching ventilator relies on the tractive force applied by tractor to move on field.Realization of the present invention is conceived to the defect overcoming conventional punching ventilator, and the maintenance time wherein dropped on punching ventilator and cost are substantially reduced.
According to an aspect, provide multiple identical blade unit, wherein each blade unit cutter blade of comprising hub, a zygodont and being associated with each blade unit.Each blade unit is by welding, casting, molded or securing member fixed form and being made into.
Hub has the cylindric hollow bulb limited by cylindric wall portion, and has first end and the second end.First end and the second end spaced apart along the longitudinal axis of hub.On the first end that graft union is limited at hub and the second end.Graft union comprises arc extension and arc-shaped notch portion.Predetermined party parallactic angle is tangentially moved relative to the graft union be limited on the second end in each graft union be defined on the first end.
This zygodont from the cylindric wall portion of hub radially.Each pointed tooth has the predetermined profile selected from the group be made up of outline of straight line and curved profile.
Cutter blade cooperates with each pointed tooth in the end away from hub.Cutter blade has and is roughly orthogonal to pointed tooth and the operated blade being roughly parallel to longitudinal axis.But each cutter blade has from being made up of Y shape profile, V-arrangement profile, F shape profile, T-shaped profile and S shape profile not being limited to the predetermined profile selected the group of described profile.Each cutter blade comprises Part I and Part II, and wherein, this Part I and Part II are suitable for extending from pointed tooth in the opposite direction.Each Part I limits the first predetermined angle together with the pointed tooth be associated, and each Part II limits the second predetermined angle together with the pointed tooth be associated.The Part I of each cutter blade limits the first predetermined angle together with pointed tooth, and the Part II of each cutter blade limit with pointed tooth together with the second predetermined angle.In one embodiment, the first predetermined angle equals the second predetermined angle.Alternatively, the first predetermined angle can be different from the second predetermined angle.Further, Part I and Part II limit predetermined angular betwixt.
Multiple blade unit is rotatably installed on back shaft to form punching ventilator.Punching ventilator is coated in shell, and this shell is roughly consistent in shape at least partially with punching ventilator.Back shaft is rotatably supported between input flange and output flange.Back shaft receives torque via input flange from torque transmission unit.Input flange and output flange are rotatably supported on and are positioned to roughly be orthogonal on the transversary of back shaft.Each transversary is suitable for the torque transmission unit supported for receiving torque from the power take-off of working truck.Input flange and output flange are rotatably supported on via the bearing arrangement be associated on the transversary that is associated.Preferably, back shaft, input flange and output flange are discrete (discreet) elements, and wherein this back shaft is connected to input flange and output flange.Alternatively, back shaft and input flange or output flange form.Back shaft and output flange are engaged via at least one in the screw thread coupling element being threadedly engaged and being positioned at therebetween betwixt.In the operating process of punching ventilator, each blade unit functionally engages with the blade unit of each vicinity via complimentary engagement portion.
When be combined with accompanying drawing study carefully time, multiple feature of the present invention, aspect and advantage will become obvious, the component that wherein similar numeral is similar according to following detailed description in detail of the present invention.
Accompanying drawing explanation
About accompanying drawing, the present invention will be described now, wherein:
Fig. 1 illustrates according to the punching ventilator cooperated with tractor of the present invention;
Fig. 2 illustrates according to punching ventilator of the present invention and the perspective elevation for receiving the power transmission of power from the power take-off of working truck, and this punching ventilator is by arranging that multiple blade unit is formed;
Fig. 3 illustrates the perspective view of the punching ventilator shown in Fig. 2, wherein for illustrating the power transmission in Fig. 2;
Fig. 4 illustrates the front view of the punching ventilator shown in Fig. 3 when observing from X-direction;
Fig. 5 illustrates the exploded view of the punching ventilator shown in Fig. 3;
Fig. 6 illustrates the angle profile of the cutter be associated with each blade unit of the ventilator that punches;
Fig. 6 A illustrates the hub of blade, to represent the graft union of the tangentially movement of the either side at hub; And
Fig. 7 illustrates the perspective view of the blade unit of punching ventilator.
Embodiment
Routine punching ventilator locks into several defect, and the inefficacy wherein forming the single blade of conventional punching ventilator causes the loss of the production time of punching ventilator.This causes the loss of a large amount of working time of punching ventilator, and too increases the holistic cost of maintenance.Further, blade is supported on axle, but because torque is transferred to blade by this axle, therefore this axle also meets with stresses except the weight of bearing blade.
The present invention comes from following observation, and namely the fault of the blade unit of conventional punching ventilator causes the generation a large amount of time delay when completing the work that needs are performed by punching ventilator.Further, conventional punching ventilator also relates to the frequent fault of axle.
For solving the problem be associated with the conventional ventilator that punches, the present invention's imagination provides a kind of punching ventilator, and this punching ventilator is formed by the multiple blade unit be arranged on the back shaft of supporting blade unit.Back shaft is not configured for torque transfer to blade unit.Blade unit makes to need the maintenance time for the damage revising blade unit to be minimized fully.Further, because back shaft does not bear the stress loading caused by the operation of blade unit in the pulverizing or loose process of soil, therefore, according to the present invention, the fault of back shaft is minimum, thus adds the operating time of punching ventilator.
Fig. 1 illustrates according to punching ventilator of the present invention, and this punching ventilator is illustrated in figs. 2 and 3 particularly, and this punching ventilator is usually by numeral 10 instruction.Punching ventilator 10 cooperates with tractor 12 via three point linkage mechanisms (TPL) 14.The punching ventilator 10 be loaded in shell 13 is operated by the power received from power take-off (PTO) (not shown).See Fig. 2 and Fig. 3, punching ventilator 10 comprises special illustrated back shaft 16 in the diagram, can install multiple blade unit 18.Input flange 22a and output flange 22b is arranged on an end portion of back shaft 16 respectively.Input flange 22a and output flange 22b makes it possible to via supported axle 16 in bearing arrangement (not shown) in Figure 5 illustrated transversary 20a and 20b.Transversary 20a and 20b is roughly orthogonal to back shaft 16.The PTO of the illustrated tractor 12 of Fig. 1 cooperates with splined shaft 24, for via transmission device, torque is delivered to punching ventilator 10 from PTO.Transmission device comprises the gearbox 26 torque being passed to output shaft 28 from splined shaft 24.Be delivered to the back shaft 16 of special instructions in the diagram via the torque transmission unit (not illustrating especially in figure) loaded in housing 30 from the torque of output shaft 28.
See Fig. 6, each blade unit 18 comprises hub 32, has at least one pair of pointed tooth 34 of the cutter blade 36 be associated.Hub 32 is cylindric in shape, and comprises the cylindric hollow bulb limited by cylindrical wall.Hub 32 has longitudinal axis A-A first end spaced apart along hub 32 and the second end.On the first end that graft union is limited at hub 32 and the second end.Each graft union comprises special illustrated arc extension 33a and arc-shaped notch portion 33b in the figure 7.The predetermined party parallactic angle θ that Fig. 6 A indicates relative to each other tangentially is moved at the graft union be limited on the first end of hub 32 and the second end.
This zygodont 34 from hub 32 radially.Each pointed tooth 34 has predetermined profile, as outline of straight line and curved profile.This zygodont 34 is integrated with hub 32 one-tenth or is coupled to the cylindrical wall of hub 34 via suitable locking devicen.
Each pointed tooth 34 comprises the cutter blade 36 be associated in the end away from hub 32.Each cutter blade 36 has the operated blade of the longitudinal axis A-A being roughly orthogonal to pointed tooth 34 and being roughly parallel to hub 32.Cutter blade 36 is integrated with pointed tooth 34 one-tenth or is coupled on pointed tooth 34.Each cutter blade 36 comprises Part I 36a and Part II 36b.Part I 36a and Part II 36b extends from pointed tooth 34 in the opposite direction, Part I 36a is connected an end with Part II 36b, and the other end of Part I 36a and Part II 36b is away from each other separately to limit predetermined angular in-between simultaneously.Preferably, the profile of cutter blade 36 is V-arrangement profile or Y shape profile.Alternatively, the profile of cutter blade 36 is F shape profile, T-shaped profile or S shape profile.Part I 36 limits the first predetermined angle α together with pointed tooth 34, and Part II 36 limits the second predetermined angle β together with pointed tooth 34.Normally, the first predetermined angle α equals the second predetermined angle β.In alternative embodiments, the second predetermined angle β is different from the second predetermined angle β.Blade unit 18 is by welding, casting, molded or securing member fixed form and being made into.In one embodiment, hub 32, pointed tooth 34 and cutter blade 36 are integrally formed by casting or being molded.Alternatively, blade unit 18 is made into by welding or the fastening hub 32, pointed tooth 34 and the cutter blade 36 that are separately formed.In another embodiment, the Part II 36b of cutter blade 36 is fastened to the Part I 36a of cutter blade 36.
As shown in Figure 4, multiple blade unit 18 is arranged on axle 16 to form punching ventilator 10.Punching ventilator 10 is coated in shell 13, the shape of this shell and the roughly consistent at least partially of punching ventilator.Power from the PTO axle of the illustrated tractor 12 of Fig. 1 is passed to input flange 22a.Torque is delivered to blade unit 18 via the structure (not shown) be limited on the composition surface of input flange 22a from input flange 22a.Alternatively, joint element (not shown) is arranged between the blade unit 18 of input flange 22a and adjacent input flange 22a.Joint element is also provided with graft union with complementary with the graft union of adjacent blade unit 18.Torque from input flange 22a is delivered to input flange 22a from adjacent blade unit 18.Torque is subsequently delivered to blade unit 18 immediately via the joint construction engaged with adjacent knife blades unit 18 of each blade unit 18 from a blade unit 18, and the graft union be wherein limited on the hub 32 of each blade unit 18 promotes this transmission of torque.Further, another joint element 38 shown in Fig. 4 is arranged between input flange 22b and the blade unit 18 adjacent with input flange 22b.
The back shaft 16 be arranged between input flange 22a and output flange 22b is suitable for along with the rotation of input flange 22a and rotates.Preferably, back shaft 16 and input flange 22a or output flange 22b form.Alternatively, back shaft 16, input flange 22 and output flange 22b are discrete elements, and back shaft 16 is connected to input flange 22a and output flange 22b.Back shaft 16 and output flange 22b can be threadedly engaged each other, or screw thread coupling element is positioned between back shaft 16 and output flange 22b.Screw thread cooperation between back shaft 16 and output flange 22b makes it possible to cooperate continuously between back shaft 16 and output flange 22b when not departing from risk.
The rotary speed of back shaft 16 is identical with the rotary speed of blade unit 18.Because rotary speed between back shaft 16 and blade unit 18 is synchronous, the stress on blade unit 18 and back shaft 16 is sufficiently decreased.Thus, although back shaft 16 also rotates together in company with blade unit 18, the transmission of the torque of blade unit 18 is not by the Effect of Rotation of back shaft 16.The synchronous rotary of back shaft 16 and blade unit 18 contributes to the service life increasing back shaft 16 and blade unit 18.This contributes to the maintenance cost reducing punching ventilator 10 further.
In the operating process of punching ventilator 10, from the transmission of torque of PTO to splined shaft 24.Torque is subsequently passed to drive punching ventilator 10 by transmission device.Torque is delivered to the blade unit 18 be supported on back shaft 16 immediately from a blade unit 18 by the rotation of input flange 22.The rotation of the multiple blade units 18 contacted with soil causes the pulverizing of soil or loose.
Therefore, although the back shaft 16 in the present invention rotates due to the torque from PTO axle, be not intended to transmit torque to blade unit 18.This reduce the stress loading on back shaft 16, thus add the service life of back shaft 16.Further, because blade unit is not fixed to back shaft 16, therefore this blade unit can be removed by the outside slip of back shaft 16.This can make removing of impaired blade unit 18 and replacing is easier to.Therefore the present invention contributes to reducing fully the downtime that punching ventilator 10 causes due to maintenance.Therefore, the holistic cost related in maintenance is reduced in fully.
Beneficial effect
The present invention has multiple beneficial effect, but comprises the realization not being limited to the following:
The maintenance time reduced;
The maintenance cost reduced;
That reduces cultivates downtime;
Can fully pulverize or loosen the soil; With
Efficient punching ventilator.
Although describe aforesaid specification about at least one embodiment, in the spirit and scope of present disclosure, the present invention can be revised further.Therefore the application is intended to use its general principle to cover any change of the present invention, purposes or amendment.Further, the application is intended to cover and departs from of the present invention and fall into and depart from content in the common practise of the technical field belonging to the present invention or common technology means.
Claims (20)
1., for a blade unit for the ventilator that punches, described punching ventilator cooperates with the working truck of advancing along direct of travel,
Described blade unit comprises:
Hub, described hub has the cylindric hollow bulb limited by cylindric wall portion, and described hub has first end and the second end, described first end and described the second end spaced apart along the longitudinal axis of described hub;
Graft union, on the described first end that described graft union is limited at described hub and described the second end;
At least one pair of pointed tooth, at least one pair of pointed tooth described is from described cylindric wall portion radially; With
Cutter blade, described cutter blade cooperates with each in described pointed tooth in the end away from described hub, and described cutter blade has and is roughly orthogonal to described pointed tooth and the operated blade being roughly parallel to longitudinal axis.
2. blade unit according to claim 1, wherein said cutter blade has the predetermined profile selected from the group be made up of Y shape profile, V-arrangement profile, F shape profile, T-shaped profile and S shape profile.
3. blade unit according to claim 1, wherein each described cutter blade comprises Part I and Part II, and described Part I and described Part II are suitable for extending from described pointed tooth in the opposite direction,
Wherein, each described Part I limits the first predetermined angle together with described pointed tooth; And
Wherein, each described Part II limits the second predetermined angle together with described pointed tooth.
4. blade unit according to claim 3, wherein said first predetermined angle equals described second predetermined angle.
5. blade unit according to claim 3, wherein said first predetermined angle is different from described second predetermined angle.
6. blade unit according to claim 3, wherein said Part I and described Part II limit predetermined angular between.
7. blade unit according to claim 1, wherein said pointed tooth has the predetermined profile selected from the group be made up of outline of straight line and curved profile.
8. blade unit according to claim 1, wherein each described graft union comprises arc extension and arc-shaped notch portion.
9. blade unit according to claim 1, predetermined party parallactic angle is tangentially moved relative to the described graft union be limited on described the second end in each described graft union be wherein limited on described first end.
10. blade unit according to claim 1, wherein said blade unit is made into by the mode selected from the group be made up of at least one welding, casting, molded and securing member fixed form.
11. 1 kinds of punching ventilators, this punching ventilator is formed by being rotatably installed on back shaft by multiple blade unit according to claim 1.
12. punching ventilators according to claim 11, wherein said punching ventilator is coated in shell, and described shell is roughly consistent in shape at least partially with described punching ventilator.
13. punching ventilators according to claim 11, wherein said back shaft can be supported between a pair transversary rotatably at its both ends place, and described transversary is suitable for roughly being orthogonal to described back shaft.
14. punching ventilators according to claim 11, one in wherein said transversary is suitable for supporting the torque transmission unit receiving torque from the power take-off of working truck.
15. punching ventilators according to claim 11, wherein said back shaft can be supported between input flange and output flange rotatably, and described back shaft is suitable for receiving torque via described input flange from torque transmission unit.
16. punching ventilators according to claim 11, wherein said input flange and described output flange can be supported on rotatably via the bearing arrangement be associated on the transversary that is associated.
17. punching ventilators according to claim 11, any one in wherein said back shaft and described input flange and described output flange forms.
18. punching ventilators according to claim 11, wherein said back shaft, described input flange and described output flange are discrete, and described back shaft is connected to described input flange and described output flange.
19. punching ventilators according to claim 11, wherein said back shaft and described output flange are engaged via the threaded connection be arranged in therebetween and at least one being positioned at screw thread coupling element therebetween.
20. punching ventilators according to claim 11, wherein each described blade unit is suitable for functionally engaging with each adjacent blade unit via complimentary engagement portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN2143MU2014 | 2014-07-02 | ||
| IN2143/MUM/2014 | 2014-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105284209A true CN105284209A (en) | 2016-02-03 |
| CN105284209B CN105284209B (en) | 2020-10-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510382203.6A Active CN105284209B (en) | 2014-07-02 | 2015-07-02 | Blade unit and blade unit assembly for forming a perforating ventilator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2016013121A (en) |
| CN (1) | CN105284209B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107836146A (en) * | 2017-07-09 | 2018-03-27 | 扬州市恒邦机械制造有限公司 | A kind of new loosenning tiller |
| CN108353541A (en) * | 2018-04-20 | 2018-08-03 | 河南田冠农业机械制造有限公司 | The tiller of multiple types farming knife |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2348637A1 (en) * | 1976-04-23 | 1977-11-18 | Weichel Ernst | DEVICE FOR SOIL FILLING |
| US5267517A (en) * | 1992-01-27 | 1993-12-07 | Farmers Tractor And Equipment | Multi function tillage or planting implement |
| CN2285046Y (en) * | 1997-04-01 | 1998-07-01 | 张远明 | Roller with cutter |
| CN2547098Y (en) * | 2002-04-28 | 2003-04-30 | 曹承烈 | Dual-frame rotary cultivator |
| CN201191966Y (en) * | 2008-03-21 | 2009-02-11 | 周鹏 | Stubble-cleaning rotary tillage coulter of stubble-cleaning and rotary tillage integration rotavator |
| CN103348790A (en) * | 2013-07-02 | 2013-10-16 | 邓光辉 | Front-arranged type rotary cultivator |
-
2015
- 2015-03-20 JP JP2015058204A patent/JP2016013121A/en active Pending
- 2015-07-02 CN CN201510382203.6A patent/CN105284209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2348637A1 (en) * | 1976-04-23 | 1977-11-18 | Weichel Ernst | DEVICE FOR SOIL FILLING |
| US5267517A (en) * | 1992-01-27 | 1993-12-07 | Farmers Tractor And Equipment | Multi function tillage or planting implement |
| CN2285046Y (en) * | 1997-04-01 | 1998-07-01 | 张远明 | Roller with cutter |
| CN2547098Y (en) * | 2002-04-28 | 2003-04-30 | 曹承烈 | Dual-frame rotary cultivator |
| CN201191966Y (en) * | 2008-03-21 | 2009-02-11 | 周鹏 | Stubble-cleaning rotary tillage coulter of stubble-cleaning and rotary tillage integration rotavator |
| CN103348790A (en) * | 2013-07-02 | 2013-10-16 | 邓光辉 | Front-arranged type rotary cultivator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107836146A (en) * | 2017-07-09 | 2018-03-27 | 扬州市恒邦机械制造有限公司 | A kind of new loosenning tiller |
| CN108353541A (en) * | 2018-04-20 | 2018-08-03 | 河南田冠农业机械制造有限公司 | The tiller of multiple types farming knife |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016013121A (en) | 2016-01-28 |
| CN105284209B (en) | 2020-10-09 |
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