CN104067762A - Soil pulverizing and seedling shifting device for peanuts - Google Patents
Soil pulverizing and seedling shifting device for peanuts Download PDFInfo
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- CN104067762A CN104067762A CN201410280866.2A CN201410280866A CN104067762A CN 104067762 A CN104067762 A CN 104067762A CN 201410280866 A CN201410280866 A CN 201410280866A CN 104067762 A CN104067762 A CN 104067762A
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- roller
- expansion teeth
- tooth
- track
- peanut
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Abstract
The invention provides an extensible tooth type soil pulverizing and seedling shifting device for peanuts. The soil pulverizing and seedling shifting device comprises a roller, a rotating main shaft, extensible teeth, a roller fixing disk, an extensible tooth fixed device and an extensible tooth moving device; the roller fixing disk, the extensible tooth fixed device and the extensible tooth moving device penetrate the rotating main shaft; the rotating main shaft is arranged in the center of the roller and connected with a power device through a driving chain wheel; the surface of the roller is provided with through holes; one end of every extensible tooth is arranged inside the roller and the other end of the extensible tooth is arranged outside the roller through the corresponding through hole; the periphery of the roller fixing disk is fixedly connected with the roller through bolts. The extensible tooth type soil pulverizing and seedling shifting device for peanuts is arranged at the front end of a conveyor device and accordingly clods after crop digging can be broken and accordingly the clods can be refined, the clods in the conveying process can be reduced, and the blocking of a fruit picking device is prevented; meanwhile the cleaning is convenient and the soil containing rate after harvest is reduced; peanut seedlings are directly shifted to a rear sliding plate after the soil pulverizing is achieved so as to fall onto the conveyor device and accordingly the width of the conveyor device is reduced.
Description
Technical field
The present invention relates to a kind of parts of farm machinery, be specifically related to one and shake seedling device, relate in particular to a kind of hack for peanut combine and shake seedling device.
Background technology
Peanut is important economic crops, and growing surface is actively wide.In recent years, along with the continuous increase of peanut cultivation area and a large amount of transfers of rural laborer, " three autumn jobs as harvesting, tilling and planting " labour in rush season is obviously not enough, and harvesting peanut labour intensity is large in addition, and harvest time is long, affects postorder operation.Therefore, Peanut Harvesting Mechanization has become the main research of peanut production link.Peanut combine has excavation, carries, plucks fruit, cleans and collect the complex functions such as fruit, is applicable to larger area plot, possesses the features such as production efficiency is high, yield loss rate is low.Current peanut combine is directly transported in picker by conveying plant after peanut is excavated with digger blade, and this form has following problem:
(1) peanut is dug out to the rear while and also a large amount of earth is dug out, conveying plant is transported to earth in picker, very easily to cause blocking up of picker, and causes follow-up cleaning plant the increase of output power;
(2) because bulk earth is comparatively solid, in course of conveying, be also difficult to it to leak down by network interface, also cannot utilize cleaning plant to remove, finally cause the soil-containing rate of results peanut higher;
(3) be integrated because traditional peanut combine excavates conveying plant, lack and shake seedling reversing arrangement, thereby cause the bulky of overall facility, operating flexibility and operability are poor.
Summary of the invention
In order to overcome the deficiency in existing peanut harvesting machinery, the invention provides a kind of flexible tooth-like peanut hack and shake seedling device.Described peanut hack shakes seedling device and is positioned at the front portion of conveying plant, and what can significantly improve peanut shakes seedling effect and hack effect.
Technical scheme of the present invention:
Peanut hack shakes seedling device, comprises roller, rotary main shaft, expansion teeth and is applied in roller fixed disk, expansion teeth fixture and the expansion teeth telecontrol equipment on rotary main shaft.Rotary main shaft is arranged on the center of roller, and is connected with power set by drive sprocket.The surface of roller is provided with through hole, and one end of expansion teeth is arranged on roller inside, and the other end of expansion teeth is arranged on roller outside by through hole.The surrounding of roller fixed disk is fixedly linked with bolt and roller.Expansion teeth fixture comprises tooth central siphon, tooth spindle nose, UCP bearing block and bearing, tooth central siphon and the tooth spindle nose tooth axostylus axostyle that is composed of a fixed connection, on described tooth central siphon, be processed with axially extending bore, described tooth spindle nose is solid, after the welding of described tooth central siphon and tooth spindle nose, be radially equidistantly drilled with aperture, expansion teeth is inserted in the radial hole on tooth spindle nose and tooth central siphon surface fixing.Tooth central siphon is axially extending bore, can effectively reduce spillage of material, and weight reduction is simultaneously cost-saving; Tooth spindle nose of the present invention is solid, can ensure good supporting role, is difficult for deforming.Tooth central siphon of the present invention and tooth spindle nose are processed and welded together respectively, and the generation of the larger phenomenon of beating degree can avoid processing a major axis time, effectively improves machining accuracy.
Wherein, the quantity of tooth axostylus axostyle is 2-4 root, and described 2-4 rooted tooth axostylus axostyle is uniformly distributed on the circumference of roller inside.Every rooted tooth axostylus axostyle is provided with and is uniformly distributed, towards identical expansion teeth, on described every rooted tooth axostylus axostyle, the quantity of expansion teeth is 10-16 root.One end of expansion teeth is linear, and the other end is circular-arc, and the radian of the arc end shape of expansion teeth is 0.8-1.1rad.The rectilinear end of expansion teeth is inserted in the radial hole of tooth central siphon and tooth spindle nose.Expansion teeth comprises linear bottom and circular-arc top, adopts linear bottom to insert in the radial hole of tooth central siphon and tooth spindle nose fixing, and the effect that circular-arc top can complete hack simultaneously and shake seedling, increases work efficiency and quality.
The hardness of described expansion teeth is 50-60HRC; The material of described expansion teeth is carbon steel wire, piano wire or Cr-Ni alloy-steel wire.What expansion teeth adopted is to possess certain flexible material, and the intensity of this material is high, and plastic property is also relatively better, not only ensured to complete to shake seedling operation, and hack effect is also better, and durable in use, be not prone to phenomenon of rupture.
On roller, the outside of expansion teeth is provided with through hole ball and ball helmet, through hole ball and ball helmet) be applied on expansion teeth.Ball helmet is arranged on the outside of through hole ball, and the internal diameter of through hole ball is slightly larger than the external diameter of ball helmet, and described ball helmet is fixedly connected with the outer surface of roller.Expansion teeth, through through hole ball, can effectively be avoided the friction of expansion teeth and roller wall, can improve the flexibility of expansion teeth motion simultaneously.One end and tooth axostylus axostyle that expansion teeth is arranged on roller inside are fixedly linked, and the two ends of described tooth axostylus axostyle are equipped with UCP bearing block and bearing from inside to outside.
Expansion teeth telecontrol equipment comprises track and track fixed head, and described track is fixed in frame by track fixed head, and described track comprises the left track and the right track that are arranged on roller two ends.Left track and right track are symmetrical structure, and the top of track is circular shape, and the center angle of circular arc is 120 °; The bottom of track is the horn shape that two straight lines form, and the angle of two straight lines is 120 °.Described track top is connected by small arc-shaped with bottom, and described track top is upwards arranged on track fixed head.In orbit, one end of UCP bearing block and tooth axostylus axostyle are fixedly linked in the bearing setting at tooth axostylus axostyle two ends, and the other end of described UCP bearing block is fixedly connected with roller fixed disk by bolt.Expansion teeth movement locus can be effectively controlled in the setting of the tracks of expansion teeth, thereby increases work efficiency.Because collapsing length, the running time of expansion teeth are directly controlled by track, make the course of work of expansion teeth be divided into the stage of shaking seedling and backlash stage.When expansion teeth is in the time shaking seedling the stage, corresponding bearing is arranged in circular-arc track, after guarantee peanut can be pushed smoothly, the relative velocity of expansion teeth should be tilted to, and operates steadily simultaneously; When expansion teeth is during in the backlash stage, corresponding bearing is arranged in the track of linearity, ensures that the pace of change of expansion teeth is larger, makes expansion teeth enter fast the stage of shaking seedling.In addition, owing to adopting the form of expansion teeth, in the time that expansion teeth moves to the straightway of track, retract gradually, the peanut seedling that is wrapped in expansion teeth is smoothed out with the fingers, thereby has avoided the generation of wrapping phenomena.
On rotary main shaft, be also provided with the rolling bearing units and the bearing block fixed head that are applied on rotary main shaft.Described rolling bearing units are fixedly connected with bearing block fixed head by bolt, and described bearing block fixed head is fixed on track fixed head.Rotary main shaft is realized the relative motion of track and roller through rolling bearing units and track.
The invention has the beneficial effects as follows:
(1) peanut hack of the present invention shakes seedling device and is arranged on the front end of conveying plant, and the soil block after crop can being excavated carry out fragmentation, makes soil block refinement, soil block in course of conveying is reduced, prevent blocking up of picker, be convenient to clean simultaneously, reduce the soil-containing rate after results.
(2) peanut hack of the present invention shakes seedling device, can be after hack completes, thereby directly peanut seedling being pushed to rear square slide falls on conveying plant, thereby reduce the width of conveying plant, avoided the direct combination of conveying plant and digger blade to make the width of conveying plant be subject to the impact of digger blade.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is cross-sectional view of the present invention;
Fig. 3 is the structural representation in L cross section in Fig. 2 of the present invention;
Fig. 4 is the structural representation that the expansion teeth fixture of expansion teeth has been installed in the present invention;
Fig. 5 is the structural representation of tracks of the present invention;
Wherein, 1. left track 10. track fixed head 11. roller fixed disk 12. ball helmet 13. through hole ball 14. tooth spindle nose 15. tooth central siphon 16.UCP bearing block 17. bearings of drive sprocket 2. rotary main shaft 3. bolt right track 6. rolling bearing units 7. bearing block fixed head 8. roller 9. of 4. expansion teeth 5.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1:
Peanut hack shakes seedling device, comprises drive sprocket 1, rotary main shaft 2, bolt 3, expansion teeth 4, right track 5, rolling bearing units 6, track fixed head 7, roller 8, left track 9, bearing block fixed head 10, roller fixed disk 11, ball helmet 12, through hole ball 13, tooth spindle nose 14, tooth central siphon 15, UCP bearing block 16 and bearing 17.Described rotary main shaft 2 is arranged on the center of roller 8, and is connected with power set by drive sprocket 1.The surface of described roller 8 is provided with through hole, and one end of described expansion teeth 4 is arranged on roller 8 inside, and the other end of expansion teeth 4 is arranged on the outside of roller 8 by through hole.The surrounding of described roller fixed disk 11 is fixedly linked with bolt 3 and roller 8.Described tooth central siphon 15, tooth spindle nose 14, UCP bearing block 16 and bearing 17 form expansion teeth fixture, described tooth central siphon 15 and the tooth spindle nose 14 tooth axostylus axostyle that is composed of a fixed connection, one end and tooth axostylus axostyle that described expansion teeth 4 is arranged on roller 8 inside are fixedly linked, and the two ends of described tooth axostylus axostyle are equipped with UCP bearing block 16 and bearing 17 from inside to outside.Described right track 5, left track 9 and track fixed head 10 form expansion teeth telecontrol equipment, and described track is fixed in frame by track fixed head 10.The bearing 17 at described tooth axostylus axostyle two ends arranges in orbit, and one end of described UCP bearing block 16 and tooth axostylus axostyle are fixedly linked, and the other end of described UCP bearing block 16 is fixedly connected with roller fixed disk 11 by bolt.Described rolling bearing units 6 and bearing block fixed head 7 are applied on rotary main shaft 2, and described rolling bearing units 6 are fixedly connected with bearing block fixed head 7 by bolt, and described bearing block fixed head 7 is fixed on track fixed head 10.
Described expansion teeth 4 even circumferential on roller is installed four rows, and described every row's expansion teeth comprises equally distributed 14 expansion teeths 4, and the bending of described every row's expansion teeth 4 is oriented same direction.Described expansion teeth 4 materials are carbon steel wire.One end of described expansion teeth 4 is linear, and the other end of described expansion teeth 4 is circular-arc, and the radian of described expansion teeth 4 arc end shapes is 1.0rad.On described tooth central siphon 15, be processed with axially extending bore, described tooth spindle nose 14 is solid, and described tooth central siphon 15 is radially equidistantly drilled with aperture after welding with tooth spindle nose 14.The rectilinear end of described expansion teeth 4 is inserted in the radial hole of tooth central siphon and tooth spindle nose.Described right track 5 and left track 9 are symmetrical structure, the top of described track is circular shape, and the center angle of described circular arc is 120 °, and the bottom of described track is rectilinear form, the angle of described two straight lines is 120 °, and described top is connected with small arc-shaped with bottom.The orthodrome end on described track top is upwards arranged on track fixed head 10.
When work, after digger blade digs out peanut and earth, being transported to hack shakes seedling on device, hack shakes seedling device and ceaselessly rotates, when expansion teeth 4 run to track shake seedling the stage time, expansion teeth 4 stretch out gradually and be inserted into clod in the middle of make clod fragmentation, after peanut moves under the stirring of expansion teeth 4 simultaneously, the clod not being broken continues to be rolled and make it broken refinement by roller 7.Due to shake seedling at hack device under be provided with web plate, the earth's surface that the clod of the refinement that is broken falls by web plate, after peanut is pushed.Shake seedling after hack operation when completing, expansion teeth 4 moves to the backlash stage of track and regains fast, for next one circulation is prepared.
Embodiment 2:
As different from Example 1, on described roller 8, the outside of expansion teeth 4 is provided with through hole ball 13 and ball helmet 12.On described through hole ball 13, be drilled with than the slightly large through hole of expansion teeth 4 diameters, the interior diameter of described ball helmet 12 is slightly larger than the overall diameter of through hole ball 13.The radian of described expansion teeth 4 arc end shapes is 0.9rad.The material of described expansion teeth 4 is Cr-Ni alloy-steel wire.
Embodiment 3:
As different from Example 2, the quantity of described tooth axostylus axostyle is 3, and on described every rooted tooth axostylus axostyle, the quantity of expansion teeth is 12.The radian of described expansion teeth 4 arc end shapes is 0.8rad.The material of described expansion teeth 4 is piano wire.
Embodiment 4:
As different from Example 2, the quantity of described tooth axostylus axostyle is 2, and on described every rooted tooth axostylus axostyle, the quantity of expansion teeth is 16.The radian of described expansion teeth 4 arc end shapes is 1.1rad.The material of described expansion teeth 4 is carbon steel wire.
Claims (7)
1. peanut hack shakes seedling device, comprise roller (8), rotary main shaft (2) and expansion teeth (4), described rotary main shaft (2) is arranged on the center of roller (8), and is connected with power set by drive sprocket (1); The surface of described roller (8) is provided with through hole, and one end of described expansion teeth (4) is arranged on roller (8) inside, and the other end of expansion teeth (4) is arranged on roller (8) outside by through hole; It is characterized in that: described peanut hack shakes seedling device and also comprises the roller fixed disk (11), expansion teeth fixture and the expansion teeth telecontrol equipment that are applied on rotary main shaft (2), the bolt for surrounding (3) of described roller fixed disk (11) is fixedly linked with roller (8); Described expansion teeth fixture comprises tooth central siphon (15), tooth spindle nose (14), UCP bearing block (16) and bearing (17), described tooth central siphon (15) and tooth spindle nose (14) the tooth axostylus axostyle that is composed of a fixed connection, described expansion teeth (4) is arranged on roller (8) inner one end and tooth axostylus axostyle and is fixedly linked, and the two ends of described tooth axostylus axostyle are equipped with UCP bearing block (16) and bearing (17) from inside to outside; Described expansion teeth telecontrol equipment comprises track and track fixed head (10), described track is fixed in frame by track fixed head (10), and described track comprises the left track (9) and the right track (5) that are arranged on roller (8) two ends; The bearing (17) at described tooth axostylus axostyle two ends arranges in orbit, one end and the tooth axostylus axostyle of described UCP bearing block (16) are fixedly linked, and the other end of described UCP bearing block (16) is fixedly connected with roller fixed disk (11) by bolt.
2. peanut hack according to claim 1 shakes seedling device, it is characterized in that: the quantity of described tooth axostylus axostyle is 2-4 root, and described many rooted teeth axostylus axostyle is uniformly distributed on the inner circumference of roller (8); Described every rooted tooth axostylus axostyle is provided with and is uniformly distributed, towards identical expansion teeth (4), on described every rooted tooth axostylus axostyle, the quantity of expansion teeth (4) is 10-16 root.
3. peanut hack according to claim 1 shakes seedling device, it is characterized in that: one end of described expansion teeth (4) is linear, the other end of described expansion teeth (4) is circular-arc, and the radian of the arc end shape of described expansion teeth (4) is 0.8-1.1rad; The rectilinear end of described expansion teeth (4) is inserted in the radial hole of tooth central siphon (15) and tooth spindle nose (14).
4. shake seedling device according to the peanut hack described in any one in claim 1-3, it is characterized in that: the hardness of described expansion teeth (4) is 50-60HRC; The material of described expansion teeth (4) is carbon steel wire, piano wire or Cr-Ni alloy-steel wire.
5. peanut hack according to claim 1 shakes seedling device, it is characterized in that: described left track (9) and right track (5) are symmetrical structure; The top of described track is circular shape, and the center angle of described circular arc is 120 °; The bottom of described track is the horn shape that two straight lines form, and the angle of described two straight lines is 120 °; Described track top is connected by small arc-shaped with bottom; Described track top is upwards arranged on track fixed head (10).
6. peanut hack according to claim 1 shakes seedling device, it is characterized in that: on described rotary main shaft (2), be also provided with the rolling bearing units (6) and the bearing block fixed head (7) that are applied on rotary main shaft (2), described rolling bearing units (6) are fixedly connected with bearing block fixed head (7) by bolt, and described bearing block fixed head (7) is fixed on track fixed head (10).
7. peanut hack according to claim 1 shakes seedling device, it is characterized in that: the outside of the upper expansion teeth (4) of described roller (8) is provided with through hole ball (13) and ball helmet (12), described through hole ball (13) and ball helmet (12) are applied on expansion teeth (4), described ball helmet (12) is arranged on the outside of through hole ball (13), the internal diameter of described through hole ball (13) is slightly larger than the external diameter of ball helmet (12), and described ball helmet (12) is fixedly connected with the outer surface of roller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280866.2A CN104067762B (en) | 2014-06-20 | 2014-06-20 | Peanut hack shakes seedling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280866.2A CN104067762B (en) | 2014-06-20 | 2014-06-20 | Peanut hack shakes seedling device |
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| Publication Number | Publication Date |
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| CN104067762A true CN104067762A (en) | 2014-10-01 |
| CN104067762B CN104067762B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410280866.2A Active CN104067762B (en) | 2014-06-20 | 2014-06-20 | Peanut hack shakes seedling device |
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| CN (1) | CN104067762B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488436A (en) * | 2014-12-15 | 2015-04-08 | 青岛农业大学 | Toothed-roll carrot soil-removing device |
| CN105123138A (en) * | 2015-07-17 | 2015-12-09 | 滁州学院 | Vertical clamping-type peanut picking device and working principle thereof |
| CN106818020A (en) * | 2017-02-14 | 2017-06-13 | 临沭县东泰机械有限公司 | A kind of shedding Fu Shou mechanisms and peanut combine |
| CN111842443A (en) * | 2020-06-28 | 2020-10-30 | 南京久大路桥建设有限公司 | Soil prosthetic devices of usefulness is administered to environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785336Y (en) * | 2005-03-18 | 2006-06-07 | 聊城市农业机械科学研究所 | Peanut combine harvester |
| CN201733627U (en) * | 2010-07-23 | 2011-02-09 | 江苏沃得农业机械有限公司 | Telescopic tooth device of auger of header of combine harvester |
| CN102210220A (en) * | 2011-04-13 | 2011-10-12 | 连丰源 | Telescopic tooth roller cotton picker |
| CN103583140A (en) * | 2012-08-15 | 2014-02-19 | 彭华伟 | Peanut combine |
| CN203912556U (en) * | 2014-06-20 | 2014-11-05 | 青岛农业大学 | Peanut hack shakes seedling device |
-
2014
- 2014-06-20 CN CN201410280866.2A patent/CN104067762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785336Y (en) * | 2005-03-18 | 2006-06-07 | 聊城市农业机械科学研究所 | Peanut combine harvester |
| CN201733627U (en) * | 2010-07-23 | 2011-02-09 | 江苏沃得农业机械有限公司 | Telescopic tooth device of auger of header of combine harvester |
| CN102210220A (en) * | 2011-04-13 | 2011-10-12 | 连丰源 | Telescopic tooth roller cotton picker |
| CN103583140A (en) * | 2012-08-15 | 2014-02-19 | 彭华伟 | Peanut combine |
| CN203912556U (en) * | 2014-06-20 | 2014-11-05 | 青岛农业大学 | Peanut hack shakes seedling device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488436A (en) * | 2014-12-15 | 2015-04-08 | 青岛农业大学 | Toothed-roll carrot soil-removing device |
| CN105123138A (en) * | 2015-07-17 | 2015-12-09 | 滁州学院 | Vertical clamping-type peanut picking device and working principle thereof |
| CN106818020A (en) * | 2017-02-14 | 2017-06-13 | 临沭县东泰机械有限公司 | A kind of shedding Fu Shou mechanisms and peanut combine |
| CN106818020B (en) * | 2017-02-14 | 2019-05-28 | 临沭县东泰机械有限公司 | A kind of shedding Fu Shou mechanism and peanut combine |
| CN111842443A (en) * | 2020-06-28 | 2020-10-30 | 南京久大路桥建设有限公司 | Soil prosthetic devices of usefulness is administered to environment |
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| CN104067762B (en) | 2016-02-10 |
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