CN110915430A - Multipurpose threshing cylinder - Google Patents
Multipurpose threshing cylinder Download PDFInfo
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- CN110915430A CN110915430A CN201911300560.8A CN201911300560A CN110915430A CN 110915430 A CN110915430 A CN 110915430A CN 201911300560 A CN201911300560 A CN 201911300560A CN 110915430 A CN110915430 A CN 110915430A
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- Prior art keywords
- main shaft
- threshing
- sliding
- teeth
- threshing cylinder
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/22—Threshing cylinders with teeth
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Abstract
The invention discloses a multi-purpose threshing cylinder, which comprises a main shaft and a plurality of supports arranged on the main shaft, wherein the plurality of supports are arranged at intervals around the main shaft, each support is provided with a first toothed bar with a plurality of first threshing teeth, the supports are also provided with a second toothed bar, the second toothed bar is provided with a plurality of second threshing teeth which radially penetrate through the second toothed bar along the main shaft, the second toothed bar is arranged on the supports in a sliding manner and can enable one end of the second threshing teeth, far away from the main shaft, to extend out of and retract into a through hole through sliding, and the multi-purpose threshing cylinder further comprises a sliding driving assembly for driving the second toothed bar to slide. The multi-purpose threshing cylinder has the functions of threshing various crops, and has the advantages of simple and compact structure, low cost, easy manufacture and assembly, good threshing effect, simple and flexible adjustment and the like.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a multipurpose threshing cylinder.
Background
Rice and corn are two main grain crops in China, and play an important role in food safety in China. At present, the harvesting of rice and corn is realized by using special machines, and the purpose that one harvesting machine can harvest two grain crops of rice and corn at the same time cannot be realized. The southern area is the main production area of rice in China, the rice harvesting mechanization degree is high, the rice harvesting mechanical technology is mature, corn is planted in partial areas in the southern area, but a single piece of planting area is small, large-scale machinery in the northern area cannot be directly introduced into the southern area to harvest corn, and the problems of high research and development cost, small market range, low return profit and the like exist in the independent research and development of machinery for harvesting corn in the southern area, so the southern area is low in corn harvesting mechanization degree and high in harvesting difficulty. The existing rice combine harvester in the south is improved, the multiple purposes of one machine are realized, and the problems of low mechanization degree and high harvesting difficulty of corn harvesting in the south can be solved. The core problem of realizing multiple crop threshing of the threshing device is realizing multiple purposes of one machine, so the invention provides the multifunctional threshing cylinder suitable for threshing multiple crops, and has important significance for realizing multiple purposes of one machine.
The existing threshing cylinder suitable for threshing various crops mostly adopts a structure of combining various threshing elements, combines the advantages of the threshing elements suitable for different crops, can realize threshing of various crops, but can not realize conversion of the threshing elements, simultaneously keeps the defects of the threshing elements, and has poor threshing effect. And in order to ensure the threshing performance, the combined threshing cylinder of various threshing elements relatively increases the length of the threshing cylinder, so that the size of the whole machine is increased.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provide the multipurpose threshing cylinder which has the functions of threshing various crops, has simple and compact structure, low cost, easy manufacture and assembly, good threshing effect and simple, convenient and flexible adjustment.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a multi-purpose threshing cylinder, includes the main shaft and installs a plurality of supports on the main shaft, and is a plurality of the support is around main shaft interval arrangement, installs the first ratch that has a plurality of first threshing teeth on each support, still be equipped with the second ratch on the support, the second ratch has a plurality of along the main shaft radially to run through the second threshing teeth of second ratch, the second ratch slides and establishes to install on the support and can make the second threshing teeth keep away from the one end of main shaft through sliding and stretch out and retract the through-hole, multi-purpose threshing cylinder is still including being used for ordering about the gliding slip drive assembly of second ratch.
As a further improvement of the above technical solution:
the sliding driving assembly comprises a sliding sleeve, the sliding sleeve is sleeved on the main shaft along the axial direction of the main shaft in a sliding mode, each second toothed bar is connected with the sliding sleeve through a connecting rod, one end of each connecting rod is connected with the second toothed bar in a hinged mode, the other end of each connecting rod is connected with the sliding sleeve in a hinged mode, and the sliding driving assembly further comprises a sliding driving mechanism used for driving the sliding sleeve to slide.
The sliding driving mechanism comprises a control mandrel, the main shaft is provided with an inner cavity, the control mandrel is installed in the inner cavity in a mode of reciprocating along the axial direction of the main shaft, the sliding sleeve is connected with the control mandrel, and one end, extending out of the main shaft, of the control mandrel is connected with a sliding driving unit used for driving the control mandrel to reciprocate.
The main shaft is provided with a limiting groove hole communicating the inner cavity with the outside of the main shaft, and the sliding sleeve is connected with the control core shaft through a fastener penetrating through the corresponding limiting groove hole.
The sliding driving unit comprises a swing adjusting rod and a fixed seat which is fixedly arranged, the swing adjusting rod is hinged to the fixed seat and provided with an adjusting groove, the control core shaft is connected with a matching rod, and the matching rod is inserted into the adjusting groove and forces the control core shaft to do reciprocating motion when the swing adjusting rod swings in a reciprocating mode.
The control mandrel is installed in the inner cavity in a sliding mode along the axial direction of the main shaft.
The sliding driving unit is an electric push rod or an air cylinder or an oil cylinder connected with the control mandrel.
The first threshing teeth are gear teeth, and the second threshing teeth are nail teeth.
The support comprises two vertical rods, the two vertical rods are connected to the main shaft in the axial direction of the main shaft at intervals, each vertical rod is provided with a sliding groove, two ends of the first toothed bar are respectively and correspondingly fixedly connected with the two vertical rods, and two ends of the second toothed bar are respectively and correspondingly arranged in the sliding grooves of the two vertical rods in a sliding mode.
Compared with the prior art, the invention has the advantages that:
the multi-purpose threshing cylinder can be switched between two states of threshing by adopting the first threshing teeth and threshing by adopting the second threshing teeth, so that the multi-purpose threshing cylinder is suitable for threshing different crops, when the multi-purpose threshing cylinder is applied to a threshing device and a harvester, the threshing device and the harvester can have the functions of processing various crops, the machine cost can be reduced, and the problems of low mechanization degree and high harvesting difficulty of corn harvesting in southern regions can be solved. The multifunctional threshing cylinder also has the advantages of simple and compact structure, low cost, easy manufacture and assembly, good threshing effect and simple and flexible adjustment.
Drawings
Fig. 1 is a schematic perspective view of a multi-purpose threshing cylinder during threshing by using first threshing teeth.
Fig. 2 is a schematic side view of the multi-purpose threshing cylinder when the first threshing teeth are used for threshing.
Fig. 3 is a schematic perspective view of the multi-purpose threshing cylinder when the second threshing teeth are used for threshing.
Fig. 4 is a schematic side view of the multi-purpose threshing cylinder when threshing with the second threshing teeth.
Fig. 5 is a partial perspective view of the connection between the second rack bar and the sliding driving assembly.
Illustration of the drawings:
1. a main shaft; 101. an inner cavity; 102. limiting slotted holes; 2. a support; 21. a vertical rod; 211. a chute; 3. a first rack bar; 31. a first threshing tooth; 4. a second rack bar; 41. a second threshing tooth; 5. a sliding sleeve; 6. a connecting rod; 7. controlling the mandrel; 8. a fastener; 9. swinging the adjusting rod; 91. an adjustment groove; 10. a fixed seat; 11. a mating rod.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 4, the multi-purpose threshing cylinder of the present embodiment includes a main shaft 1 and a plurality of brackets 2 mounted on the main shaft 1, the plurality of brackets 2 are arranged at intervals around the main shaft 1, each bracket 2 is mounted with a first rack 3 having a plurality of first threshing teeth 31, the bracket 2 is further provided with a second rack 4, the second rack 4 has a plurality of second threshing teeth 41 radially penetrating through the second rack 4 along the main shaft 1, the second rack 4 is slidably mounted on the bracket 2 and can extend out and retract into a through hole through sliding of one end of the second threshing teeth 41 away from the main shaft 1, and the multi-purpose threshing cylinder further includes a sliding driving component for driving the second rack 4 to slide. When the sliding driving component drives the second toothed bar 4 to slide so that one end of the second threshing tooth 41, which is far away from the main shaft 1, is retracted into the through hole, the first threshing tooth 31 plays a role in threshing, and the multi-purpose threshing cylinder is in a state of threshing by adopting the first threshing tooth 31; when the sliding driving component drives the second toothed bar 4 to slide so that one end of the second threshing teeth 41, which is far away from the main shaft 1, extends out of the through hole, the maximum radial distance from the second threshing teeth 41 to the main shaft 1 is greater than the maximum radial distance from the first threshing teeth 31 to the main shaft 1, at the moment, the second threshing teeth 41 play a role in threshing, and the multi-purpose threshing cylinder adopts the second threshing teeth 41 to thresh. This multi-purpose threshing cylinder can thresh and adopt second threshing teeth 41 to thresh and switch between two kinds of states adopting first threshing teeth 31 to be applicable to the thresh of different crops, makes thresher and harvester can have the function of handling multiple crops concurrently when being applied to among thresher and the harvester, can reduce the cost of using the machine, still can solve southern area maize results mechanization degree and hang down, the problem that the results degree of difficulty is big. The multifunctional threshing cylinder also has the advantages of simple and compact structure, low cost, easy manufacture and assembly, good threshing effect and simple and flexible adjustment.
In this embodiment, as shown in fig. 5, the sliding driving assembly includes a sliding sleeve 5, the sliding sleeve 5 is slidably sleeved on the main shaft 1 along the axial direction of the main shaft 1, each second rack bar 4 is connected to the sliding sleeve 5 through a connecting rod 6, one end of the connecting rod 6 is connected to the second rack bar 4 in a hinged manner, the other end of the connecting rod 6 is connected to the sliding sleeve 5 in a hinged manner, and the sliding driving assembly further includes a sliding driving mechanism for driving the sliding sleeve 5 to slide. The sliding driving mechanism can drive the sliding sleeve 5 to slide in a reciprocating mode, when the sliding sleeve 5 slides in the reciprocating mode, the second toothed bar 4 is forced to slide in the reciprocating mode through the connecting bar 6, and therefore one end, far away from the main shaft 1, of the second threshing tooth 41 extends out of and retracts into the through hole. The sliding driving assembly is simple and compact in structure and stable and reliable in operation.
In this embodiment, the sliding driving mechanism includes a control spindle 7, the main shaft 1 is provided with an inner cavity 101, the control spindle 7 is installed in the inner cavity 101 in a manner of reciprocating along the axial direction of the main shaft 1, the sliding sleeve 5 is connected with the control spindle 7, and one end of the control spindle 7 extending out of the main shaft 1 is connected with a sliding driving unit for driving the control spindle 7 to reciprocate. The control mandrel 7 of the sliding driving mechanism is arranged in the inner cavity 101 of the main shaft 1, which is beneficial to further improving the structure compactness and can not interfere the normal work of the threshing cylinder.
In this embodiment, the main shaft 1 is provided with a limit slot 102 communicating the inner cavity 101 with the outside of the main shaft 1, and the sliding sleeve 5 is connected with the control core shaft 7 through a fastener 8 penetrating through the corresponding limit slot 102. Sliding sleeve 5 links to each other with control dabber 7 through fastener 8, makes things convenient for dismouting and maintenance, and fastener 8 runs through main shaft 1's spacing slotted hole 102 simultaneously, and spacing slotted hole 102 plays limiting displacement to fastener 8's sliding range, also plays limiting displacement to sliding sleeve 5 and control dabber 7's motion range, need not set up stop gear in addition and limits sliding sleeve 5 and control dabber 7's motion range, has saved the cost, does benefit to and improves simple structure compactness.
In this embodiment, the sliding driving unit includes a swing adjusting rod 9 and a fixed seat 10 fixedly disposed, the swing adjusting rod 9 is hinged to the fixed seat 10, the swing adjusting rod 9 is provided with an adjusting groove 91, the control spindle 7 is connected with a matching rod 11, the matching rod 11 is inserted into the adjusting groove 91, and the control spindle 7 is forced to reciprocate when the swing adjusting rod 9 swings reciprocally. When the swing adjusting rod 9 swings back and forth, the adjusting groove 91 forces the engaging rod 11 to move back and forth in the adjusting groove 91, so that the control core shaft 7 reciprocates. The sliding driving unit has the advantages of simple and compact structure, easy manufacture and assembly and simple and convenient control. Preferably, the swing adjusting rod 9 is connected to an automatic driving member, the automatic driving member is a rotating motor or a hydraulic motor, or the automatic driving member is a telescopic cylinder or a telescopic oil cylinder or an electric push rod.
In this embodiment, the control core shaft 7 is installed in the inner cavity 101 along the axial direction of the main shaft 1 in a sliding manner, so that the sliding stability is good, and the stability and accuracy of threshing gap adjustment can be improved.
In other embodiments, the sliding driving unit may also adopt other structural forms, for example, the sliding driving mechanism is an electric push rod or an air cylinder or an oil cylinder connected with the control spindle 7, or other driving pieces or driving mechanisms capable of driving the control spindle 7 to reciprocate.
In this embodiment, the first threshing teeth 31 are rasp teeth for threshing corn. The second threshing teeth 41 are spike teeth for threshing rice. In other embodiments, the first threshing teeth 31 and the second threshing teeth 41 can also take other forms of threshing teeth depending on the crop.
In this embodiment, the support 2 includes two montants 21, and two montants 21 are connected on main shaft 1 at 1 axial interval of main shaft, all is equipped with spout 211 on each montant 21, and the both ends of first ratch 3 correspond respectively with two montants 21 fixed connection, its simple structure, steadiness are good. The two ends of the second rack bar 4 are respectively and correspondingly arranged in the sliding grooves 211 of the two vertical bars 21 in a sliding way, the sliding mounting structure has good structure compactness and easy manufacture and assembly, and the normal threshing function of the threshing cylinder can not be influenced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (9)
1. The utility model provides a multi-purpose threshing cylinder, includes main shaft (1) and installs a plurality of supports (2) on main shaft (1), and is a plurality of support (2) are around main shaft (1) interval arrangement, install first ratch (3) that have a plurality of first threshing teeth (31) on each support (2), its characterized in that: still be equipped with second ratch (4) on support (2), second ratch (4) have a plurality of along main shaft (1) radially run through second threshing teeth (41) of second ratch (4), second ratch (4) are slided and are established and install on support (2) and can make second threshing teeth (41) keep away from the one end of main shaft (1) through sliding and stretch out and retract the through-hole, multi-purpose threshing cylinder still is including being used for ordering about the gliding slip drive assembly of second ratch (4).
2. The multi-purpose threshing cylinder of claim 1, wherein: the sliding driving assembly comprises a sliding sleeve (5), the sliding sleeve (5) is sleeved on the main shaft (1) along the axial sliding direction of the main shaft (1), each second toothed bar (4) is connected with the sliding sleeve (5) through a connecting rod (6), one end of the connecting rod (6) is hinged to the second toothed bar (4), the other end of the connecting rod (6) is hinged to the sliding sleeve (5), and the sliding driving assembly further comprises a sliding driving mechanism used for driving the sliding sleeve (5) to slide.
3. The multi-purpose threshing cylinder of claim 2, wherein: the sliding driving mechanism comprises a control mandrel (7), an inner cavity (101) is formed in the main shaft (1), the control mandrel (7) is installed in the inner cavity (101) in a mode of reciprocating along the axial direction of the main shaft (1), the sliding sleeve (5) is connected with the control mandrel (7), and one end, extending out of the main shaft (1), of the control mandrel (7) is connected with a sliding driving unit used for driving the control mandrel (7) to reciprocate.
4. The multi-purpose threshing cylinder of claim 3, wherein: the main shaft (1) is provided with a limiting groove hole (102) communicating the inner cavity (101) and the outside of the main shaft (1), and the sliding sleeve (5) is connected with the control core shaft (7) through a fastener (8) penetrating through the corresponding limiting groove hole (102).
5. The multi-purpose threshing cylinder of claim 3, wherein: the sliding driving unit comprises a swing adjusting rod (9) and a fixed fixing seat (10), the swing adjusting rod (9) is hinged to the fixing seat (10), an adjusting groove (91) is formed in the swing adjusting rod (9), a matching rod (11) is connected to the control mandrel (7), and the matching rod (11) is inserted into the adjusting groove (91) and forces the control mandrel (7) to reciprocate during the reciprocating swing of the swing adjusting rod (9).
6. The multi-purpose threshing cylinder of claim 3, wherein: the control mandrel (7) is arranged in the inner cavity (101) in a sliding mode along the axial direction of the main shaft (1).
7. The multi-purpose threshing cylinder of claim 3, wherein: the sliding driving unit is an electric push rod or an air cylinder or an oil cylinder connected with the control mandrel (7).
8. The multi-purpose threshing cylinder of claim 1, wherein: the first threshing teeth (31) are rasp bar teeth, and the second threshing teeth (41) are spike teeth.
9. The multipurpose threshing cylinder according to any one of claims 1 to 8, wherein: support (2) include two montants (21), and two montants (21) are all equipped with spout (211) on main shaft (1) axial interval connection on main shaft (1), the both ends of first ratch (3) correspond respectively with two montants (21) fixed connection, the both ends of second ratch (4) correspond respectively and slide and locate in spout (211) of two montants (21).
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CN201911300560.8A CN110915430A (en) | 2019-12-17 | 2019-12-17 | Multipurpose threshing cylinder |
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CN201911300560.8A CN110915430A (en) | 2019-12-17 | 2019-12-17 | Multipurpose threshing cylinder |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113179768A (en) * | 2021-05-21 | 2021-07-30 | 金华职业技术学院 | Double longitudinal axial flow separating drum |
CN115362829A (en) * | 2022-10-25 | 2022-11-22 | 江苏友清生物科技有限公司 | Grain threshing device |
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GB951098A (en) * | 1959-11-07 | 1964-03-04 | Stokland Sigmund | Improvements in or relating to apparatus for threshing grain |
EP0244402A1 (en) * | 1984-11-27 | 1987-11-11 | Pohjala Lauri | The harvesting and assorting machine. |
CN101036435A (en) * | 2006-03-17 | 2007-09-19 | 钱志义 | Adjustable axial-flow type drum thresher |
CN101595789A (en) * | 2009-07-03 | 2009-12-09 | 中机南方机械股份有限公司 | A kind of multifunctional threshing device of combine |
CN201700181U (en) * | 2010-04-21 | 2011-01-12 | 汤联生 | Nail tooth and threaded rod combined type axial flow roller of harvesting machine |
JP2011067156A (en) * | 2009-09-28 | 2011-04-07 | Iseki & Co Ltd | Thresher |
CN102349399A (en) * | 2011-11-11 | 2012-02-15 | 鹤岗市田丰农机制造有限公司 | Semi-open axial flow threshing cylinder |
CN103960003A (en) * | 2014-05-29 | 2014-08-06 | 湖南农业大学 | Flexible-tooth threshing system with adjustable threshing gap |
EP3064054A1 (en) * | 2015-03-04 | 2016-09-07 | CNH Industrial Belgium nv | Threshing drum |
CN108142110A (en) * | 2018-01-08 | 2018-06-12 | 湖南农业大学 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
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2019
- 2019-12-17 CN CN201911300560.8A patent/CN110915430A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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GB951098A (en) * | 1959-11-07 | 1964-03-04 | Stokland Sigmund | Improvements in or relating to apparatus for threshing grain |
EP0244402A1 (en) * | 1984-11-27 | 1987-11-11 | Pohjala Lauri | The harvesting and assorting machine. |
CN101036435A (en) * | 2006-03-17 | 2007-09-19 | 钱志义 | Adjustable axial-flow type drum thresher |
CN101595789A (en) * | 2009-07-03 | 2009-12-09 | 中机南方机械股份有限公司 | A kind of multifunctional threshing device of combine |
JP2011067156A (en) * | 2009-09-28 | 2011-04-07 | Iseki & Co Ltd | Thresher |
CN201700181U (en) * | 2010-04-21 | 2011-01-12 | 汤联生 | Nail tooth and threaded rod combined type axial flow roller of harvesting machine |
CN102349399A (en) * | 2011-11-11 | 2012-02-15 | 鹤岗市田丰农机制造有限公司 | Semi-open axial flow threshing cylinder |
CN103960003A (en) * | 2014-05-29 | 2014-08-06 | 湖南农业大学 | Flexible-tooth threshing system with adjustable threshing gap |
EP3064054A1 (en) * | 2015-03-04 | 2016-09-07 | CNH Industrial Belgium nv | Threshing drum |
CN108142110A (en) * | 2018-01-08 | 2018-06-12 | 湖南农业大学 | A kind of adjustable threshing cylinder of cylinder-concave clearance |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113179768A (en) * | 2021-05-21 | 2021-07-30 | 金华职业技术学院 | Double longitudinal axial flow separating drum |
CN115362829A (en) * | 2022-10-25 | 2022-11-22 | 江苏友清生物科技有限公司 | Grain threshing device |
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