CN101548610A - Straw chopping apparatus in combine harvester - Google Patents
Straw chopping apparatus in combine harvester Download PDFInfo
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- CN101548610A CN101548610A CNA2009100980687A CN200910098068A CN101548610A CN 101548610 A CN101548610 A CN 101548610A CN A2009100980687 A CNA2009100980687 A CN A2009100980687A CN 200910098068 A CN200910098068 A CN 200910098068A CN 101548610 A CN101548610 A CN 101548610A
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- knife
- straw chopping
- grass
- chopping apparatus
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Abstract
The invention discloses a straw chopping apparatus in combine harvester, which comprises a casing; wallboards are disposed respectively on the left and right side of the casing; a backboard is disposed on the back of the casing; a bottom board is disposed on the bottom of the casing; a roller mechanism is transversely mounted between the wallboards of the casing by passing through; a plurality of movable cutter mechanisms are installed along the axial direction of the roller mechanism; two movable blades are mounted in parallel on each movable cutter mechanism; fixed blades with rests are disposed on the bottom board interleaved with the movable blades; the movable blades and rest in each group is integrated by connected in series by at least two fastening mechanisms; blade protectors for improving the strength and rigidity of the movable blades are disposed on the connection points between the movable blades and rests; spacing sheets are disposed between the rests to keep fixed space between the movable blades; Thus, the rest positions and the original balance can be kept even the movable blades are replaced. Matched with combine harvester, the invention has the functions of harvesting, arranging grass, cutting grass and broadcasting the broken grass on the land after harvesting.
Description
Technical field
The present invention relates to field of agricultural machinery, especially a kind of straw chopping apparatus of combine.
Background technology
Stalk is as the cauline leaf of a kind of crops, and in traditional handicraft, crops are used as remaining straw burning as the energy or waste material behind the results seed.At present, the national Ministry of Agriculture promotes and returns crop stocks to the field, to replace the burning of former straw.Like this, both fertile soil has reduced environmental pollution again, also can reduce the generation of some fire to a certain extent.Combine does not in the past have the straw shredding mechanism substantially, and returning crop stocks to the field also needs artificial chopping or use miscellaneous equipment, and stalk can only both have been wasted ample resources based on burning disposal, also can cause environmental pollution.
Structurally also there is certain defective in the straw chopping apparatus of installing on the existing grain header, and the blade rigidity is not enough, and blade exists slip, positioning or the like in rotary course.A kind of shredding mechanism of grain header is disclosed at Chinese patent CN00251550.4, what knife section adopted on mounting structure is single-tool holder list bolt, this structure is poor rigidity not only, and on the blade circumference, do not locate, after using a period of time, blade position can change, and is difficult to reset on the original position in addition after changing knife section, finally has influence on the dynamic balancing of whole moving knife roller.
Summary of the invention
Problem to be solved by this invention is exactly the weak point at shredding mechanism in the existing grain header, provides a kind of simple in structure, and blade is installed simple and convenient, the straw chopping apparatus of the combine of the reliable and long service life of rotor Stability Analysis of Structures.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of straw chopping apparatus of combine, comprise the housing that is connected with threshing cylinder, a housing left side, right both sides are respectively equipped with wallboard, the rear end of housing is provided with backboard, at housing bottom base plate is installed, laterally install a rotor mechanism between the wallboard of housing, to annular a plurality of moving knife mechanism is installed along the rotor mechanism shaft, moving knife mechanism is provided with two knife sections of installing side by side, base plate is provided with the ledger-plate that is crisscross arranged with the knife section position, it is characterized in that: all be equipped with knife rest on each knife section, the combination of each group knife section and knife rest is an one by at least two retention mechanism parallel series.
Further, described retention mechanism comprises the bolt that is installed between two groups of knife sections and knife rest combination, and bolt end is provided with stop nut.
As improved, be equipped with in knife section and knife rest junction and protect blade, protect the strength and stiffness that being provided with of blade improved knife section.
As improved, clamped distance piece between the knife rest, the setting of distance piece makes and is maintained fixed spacing between the knife section, even also can the holding position after changing knife section constant, keeps original balance.
Further, described moving knife mechanism is one group with two and is in-line and is symmetrically distributed on the rotor mechanism periphery that every group of moving knife mechanism is in different parallel planes respectively, and the inter-agency interlaced setting of two adjacent groups moving knife.
Further, described rotor mechanism comprises roller body, and two ends are provided with the roller disc in the roller body, roller disc center wears rotating shaft, the roll shaft two ends are by being provided with the bearing switching on wallboard, and the termination of described roll shaft also is provided with sprocket wheel one, and sprocket wheel one connects the sprocket wheel two that is located in the threshing cylinder by chain.
Further, installation site one side of the corresponding base plate of wallboard is provided with elongated slot, base plate one side is provided with bearing pin, bearing pin is installed in the elongated slot, clamp nut is installed in the bearing pin termination, in elongated slot, slide adjusting by bearing pin, can change the spacing of ledger-plate and knife section, to adapt to passing through of different length straw.
Further, the bottom-hinged of described backboard has grass guard, and the side and the wallboard of grass guard are slidingly connected.
Further, the internal face of described grass guard is provided with left and right two grass guide boards, the switching of grass guide board one end is on grass guard, the middle part of grass guide board is provided with screw rod, offer two crescent arc grooves corresponding on the grass guard with screw rod, screw rod is installed in the arc groove, at screw end head adjusting nut is installed.
Compare the shredding mechanism of existing grain header, the blade location in the shredding mechanism of the present invention is better, and rigidity strengthens, and long-time use also can be kept good dynamic balancing.Fundamentally improve the service life of this device.This invention with combine supporting after, just possessed harvesting, Lysimachia sikokiana, disconnected grass and the continuous uniform broadcasting of broken grass in the first-class function in harvested soil, should invent simultaneously simple in structure, easily manufactured, compliance with environmental protection requirements, easy to utilize.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing:
Fig. 1 is an assembly structure schematic diagram of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that A among Fig. 2 is to view;
Fig. 4 is the distribution schematic diagram of moving knife mechanism of the present invention in rotor mechanism;
Fig. 5 is the C-C cutaway view of Fig. 4;
Embodiment
As Fig. 1, Fig. 2, assembly structure schematic diagram of the present invention shown in Figure 3, a kind of straw chopping apparatus of combine, comprise the housing 1 that is connected with threshing cylinder 2, housing 1 left side, right both sides are respectively equipped with wallboard 11, the rear end of housing 1 is provided with backboard 12, in housing 1 bottom base plate 13 is installed, 11 of the wallboards of housing 1 laterally install a rotor mechanism, to annular a plurality of moving knife mechanism is installed along the rotor mechanism shaft, the moving knife roller mechanism is provided with two knife sections of installing side by side 61, base plate 13 is provided with the ledger-plate 131 that is crisscross arranged with knife section 61 positions, installation site one side of wallboard 11 corresponding base plates 13 is provided with elongated slot 112, base plate 13 1 sides are provided with bearing pin 132, bearing pin 132 is installed in the elongated slot 112, and clamp nut 133 is installed in bearing pin 132 terminations, vertically slides adjusting by bearing pin 132 in elongated slot 112, can change the spacing of ledger-plate 131 and knife section 61, to adapt to passing through of different length straw.
Described backboard 12 is slidingly connected with wallboard 11, the installed position of wallboard 11 corresponding backboards 12 is provided with the elongated slot 14 of horizontal direction, the side of backboard 12 is provided with bearing pin 121, bearing pin 121 is installed in the elongated slot 14, bearing pin 121 is installed clamp nut 122, by bearing pin 121 laterally sliding in elongated slot 14, can regulate the gap of backboard 12 and knife section 61, the bottom-hinged of backboard 12 is connected with grass guard 3, the side of grass guard 3 is provided with bearing pin 31, be provided with elongated slot 111 in wallboard 11 corresponding bearing pins 31 positions, bearing pin 31 is installed in the elongated slot 111, nut 311 is installed in bearing pin 31 terminations, by bearing pin 31 sliding in elongated slot 111, can regulate the opening angle of grass guard 3.Internal face at grass guard 3 is provided with left and right two grass guide boards 4, the switching of grass guide board 4 one ends is on grass guard 3, the middle part of grass guide board 4 is provided with screw rod 41, offer two crescent arc grooves 32 corresponding on the grass guard 3 with screw rod 41, screw rod 41 is installed in the arc groove 32, in screw rod 41 terminations adjusting nut 411 is installed.Screw rod 41 slides in arc groove 32, drive grass guide board 4 simultaneously and do circular motion, has changed the direction that grass guide board 4 is shed broken grass.
As shown in Figure 4, described rotor mechanism comprises roller body 5, two ends are provided with roller disc 52 in the roller body 5, roller disc 52 centers wear roll shaft 51, roll shaft 51 two ends are by being provided with bearing 53 switchings on wallboard 11, the termination of described roll shaft 51 also is provided with sprocket wheel 1, and sprocket wheel 1 connects the sprocket wheel 2 21 that is located in the threshing cylinder 2 by chain 7, gives rotor mechanism by threshing cylinder with transmission of power.
As Fig. 4, shown in Figure 5, described moving knife mechanism comprises two knife sections 61, all is equipped with knife rest 6 on each knife section 61, and each group knife section 61 is one with combination of knife rest 6 by two retention mechanism parallel series.Retention mechanism comprises the bolt 62 that is installed between two groups of knife sections 61 and knife rest 6 combinations, and bolt 62 terminations are provided with stop nut 621, have strengthened the locating effect to knife section 61.Be equipped with in knife section 61 and knife rest 6 junctions and protect blade 63, be provided with distance piece 64 between the knife rest 6, protect the strength and stiffness that being provided with of blade 63 improved knife section 61, the setting of distance piece 64 makes between the knife section 61 and is maintained fixed spacing, even also can the holding position after changing knife section 61 constant, keep original balance.As shown in Figure 5, moving knife mechanism is one group with two and is in-line and is symmetrically distributed on the rotor mechanism periphery that every group of moving knife mechanism is in different parallel planes respectively, and the inter-agency interlaced setting of two adjacent groups moving knife.
When grain header is worked, crops are after the processing by disengaging cylinder 2, remaining stalk enters in the shredding mechanism of the present invention, knife section 61 and ledger-plate 131 interlaced settings, stalk is along with the direction of rotation motion of knife section 61, when stalk is run into ledger-plate 131, because the inertia of stalk adds the revolving force of upper cutter 61, stalk is shredded, stalk after the chopping is along with the high speed rotating of knife section 61 is thrown to grass guard 3 places and since grass guard 3 stop that stalk falls into grass guide board 4, grass guide board 4 shed adjustable angle, have direction to shed equably on harvested soil at stalk under the guiding of grass guide board 4.
Claims (9)
1, a kind of straw chopping apparatus of combine, comprise the housing (1) that is connected with threshing cylinder (2), housing (a 1) left side, right both sides are respectively equipped with wallboard (11), the rear end of housing (1) is provided with backboard (12), in housing (1) bottom base plate (13) is installed, laterally install a rotor mechanism between the wallboard (11) of housing (1), to annular a plurality of moving knife mechanism is installed along the rotor mechanism shaft, moving knife mechanism is provided with two knife sections of installing side by side (61), base plate (13) is provided with the ledger-plate (131) that is crisscross arranged with knife section (61) position, it is characterized in that: all be equipped with knife rest (6) on each knife section (61), each group knife section (61) is one with the combination of knife rest (6) by at least two retention mechanism parallel series.
2, the straw chopping apparatus of a kind of combine according to claim 1, it is characterized in that: described retention mechanism comprises the bolt (62) that is installed between two groups of knife sections (61) and knife rest (6) combination, and bolt (62) termination is provided with stop nut (621).
3, the straw chopping apparatus of a kind of combine according to claim 1 is characterized in that: be equipped with in knife section (61) and knife rest (6) junction and protect blade (63).
4, the straw chopping apparatus of a kind of combine according to claim 1 is characterized in that: clamped distance piece (64) between the knife rest (6).
5, the straw chopping apparatus of a kind of combine according to claim 1, it is characterized in that: described moving knife mechanism is one group with two and is in-line and is symmetrically distributed on the rotor mechanism periphery, every group of moving knife mechanism is in different parallel planes respectively, and the inter-agency interlaced setting of two adjacent groups moving knife.
6, the straw chopping apparatus of a kind of combine according to claim 1, it is characterized in that: described rotor mechanism comprises roller body (5), the interior two ends of roller body (5) are provided with roller disc (52), roller disc (52) center wears roll shaft (51), roll shaft (51) two ends are by being provided with bearing (53) switching on wallboard (11), the termination of described roll shaft (51) also is provided with sprocket wheel one (54), and sprocket wheel one (54) connects the sprocket wheel two (21) that is located in the threshing cylinder (2) by chain (7).
7, the straw chopping apparatus of a kind of combine according to claim 1, it is characterized in that: installation site one side of the corresponding base plate of wallboard (11) (13) is provided with elongated slot (112), base plate (13) one sides are provided with bearing pin (132), bearing pin (132) is installed in the elongated slot (112), and clamp nut (133) is installed in bearing pin (132) termination.
8, the straw chopping apparatus of a kind of combine according to claim 1 is characterized in that: the bottom-hinged of described backboard (12) has grass guard (3), and the side of grass guard (3) and wallboard (11) are slidingly connected.
9, the straw chopping apparatus of a kind of combine according to claim 8, it is characterized in that: the internal face of described grass guard (3) is provided with left and right two grass guide boards (4), the switching of grass guide board (4) one ends is on grass guard (3), the middle part of grass guide board (4) is provided with screw rod (41), offer two crescent arc grooves (32) corresponding on the grass guard (3) with screw rod (41), screw rod (41) is installed in the arc groove (32), in screw rod (41) termination adjusting nut (411) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100980687A CN101548610B (en) | 2009-04-28 | 2009-04-28 | Straw chopping apparatus in combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100980687A CN101548610B (en) | 2009-04-28 | 2009-04-28 | Straw chopping apparatus in combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101548610A true CN101548610A (en) | 2009-10-07 |
| CN101548610B CN101548610B (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100980687A Expired - Fee Related CN101548610B (en) | 2009-04-28 | 2009-04-28 | Straw chopping apparatus in combine harvester |
Country Status (1)
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| CN (1) | CN101548610B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270855A (en) * | 2013-01-13 | 2013-09-04 | 兴化市利源农业装备制造有限公司 | Longitudinal axial flow belt cut-up type combined roller of combined harvester |
| CN103918400A (en) * | 2014-04-25 | 2014-07-16 | 奉节县感恩牧草种植专业合作社 | Harvester for harvesting rice or wheat |
| CN104303718A (en) * | 2014-10-14 | 2015-01-28 | 金湖县兴鹏机械制造有限公司 | Straw cutting, throwing and returning machine for combined harvester and mounting method of straw cutting, throwing and returning machine |
| CN105230247A (en) * | 2015-09-08 | 2016-01-13 | 中国农业大学 | Straw crushing returning-to-field throwing machine |
| CN105340491A (en) * | 2015-09-18 | 2016-02-24 | 朱洪建 | Straw returning machine enclosure provided with reverse blocking strip |
| CN106068956A (en) * | 2015-04-30 | 2016-11-09 | 凯斯纽荷兰(中国)管理有限公司 | Chipper for agricultural harvester |
| CN106576606A (en) * | 2016-12-27 | 2017-04-26 | 沃得重工(中国)有限公司 | Straw chopping, discharging and scattering device of harvester |
| CN107360807A (en) * | 2016-05-13 | 2017-11-21 | 勇猛机械股份有限公司 | The shredding mechanism of stalk debris after a kind of cropper threshing |
| CN108419537A (en) * | 2017-02-15 | 2018-08-21 | 株式会社久保田 | Combine harvester |
| CN110754209A (en) * | 2019-12-03 | 2020-02-07 | 湖南省农友农业装备股份有限公司 | Shredding device and harvester |
| CN112642718A (en) * | 2020-12-17 | 2021-04-13 | 湖北科技学院 | Tea harvesting machine head with sorting function |
-
2009
- 2009-04-28 CN CN2009100980687A patent/CN101548610B/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270855A (en) * | 2013-01-13 | 2013-09-04 | 兴化市利源农业装备制造有限公司 | Longitudinal axial flow belt cut-up type combined roller of combined harvester |
| CN103270855B (en) * | 2013-01-13 | 2015-03-18 | 兴化市利源农业装备制造有限公司 | Longitudinal axial flow belt cut-up type combined roller of combined harvester |
| CN103918400A (en) * | 2014-04-25 | 2014-07-16 | 奉节县感恩牧草种植专业合作社 | Harvester for harvesting rice or wheat |
| CN104303718A (en) * | 2014-10-14 | 2015-01-28 | 金湖县兴鹏机械制造有限公司 | Straw cutting, throwing and returning machine for combined harvester and mounting method of straw cutting, throwing and returning machine |
| CN106068956A (en) * | 2015-04-30 | 2016-11-09 | 凯斯纽荷兰(中国)管理有限公司 | Chipper for agricultural harvester |
| CN106068956B (en) * | 2015-04-30 | 2018-10-16 | 凯斯纽荷兰(中国)管理有限公司 | Shredding machine for agricultural harvester |
| CN105230247A (en) * | 2015-09-08 | 2016-01-13 | 中国农业大学 | Straw crushing returning-to-field throwing machine |
| CN105340491A (en) * | 2015-09-18 | 2016-02-24 | 朱洪建 | Straw returning machine enclosure provided with reverse blocking strip |
| CN107360807A (en) * | 2016-05-13 | 2017-11-21 | 勇猛机械股份有限公司 | The shredding mechanism of stalk debris after a kind of cropper threshing |
| CN106576606A (en) * | 2016-12-27 | 2017-04-26 | 沃得重工(中国)有限公司 | Straw chopping, discharging and scattering device of harvester |
| CN108419537A (en) * | 2017-02-15 | 2018-08-21 | 株式会社久保田 | Combine harvester |
| CN110754209A (en) * | 2019-12-03 | 2020-02-07 | 湖南省农友农业装备股份有限公司 | Shredding device and harvester |
| CN112642718A (en) * | 2020-12-17 | 2021-04-13 | 湖北科技学院 | Tea harvesting machine head with sorting function |
| CN112642718B (en) * | 2020-12-17 | 2024-05-14 | 湖北科技学院 | Tea harvester head with sorting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101548610B (en) | 2011-02-09 |
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