CN102217456A - Automatic lifting low cutter device of harvester - Google Patents
Automatic lifting low cutter device of harvester Download PDFInfo
- Publication number
- CN102217456A CN102217456A CN201110077913XA CN201110077913A CN102217456A CN 102217456 A CN102217456 A CN 102217456A CN 201110077913X A CN201110077913X A CN 201110077913XA CN 201110077913 A CN201110077913 A CN 201110077913A CN 102217456 A CN102217456 A CN 102217456A
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- hitch point
- lower cutter
- cutter
- toggle
- support bar
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Abstract
The invention discloses an automatic lifting low cutter device of harvester, which comprises a lower cutter; the lower cutter is movably hinged on a frame through a hinge joint of a support rod; the rotating stroke of the support rod surrounding the hinge joint is limited by one direction by a locating pin so as to determine the lowest working position of the lower cutter; a cutting platform is movably hinged with a machine body; the cutting platform is supported by a lifting device and the working height of the cutting platform is adjusted; a hauling point is arranged on the support rod; a hanging point is arranged on the cutting platform; the hauling point and the hanging point are in allowance connection by a connector; when the hanging point is altered in a set scope, the connector can not generate a traction which can lead the hauling point to rotate and rise surrounding the hinge joint of the support rod. As the lowest working position of the lower cutter is set; moreover, the hauling point and the hanging point are in allowance connection by the connector, the low cutter automatically rises and descends with the cutting platform, thus reducing the probability of damage caused by accidental collision, simplifying the operating procedures, and lightening the working loads of operators; moreover, the stubble breaking effect is good; the residual stubbles are basically cut by the lower cutter when the lower cutter is at the lowest working position, thus having fewer residual stubbles and little influences on subsequent farming production; moreover, an independent lifting mechanism of the cutter device is omitted, thus saving the cost.
Description
Technical field
The present invention relates to a kind of grain header, specifically relate to a kind of grain header lower cutter device.
Background technology
Publication number is in the patent documentation of CN201726676U, a kind of crawler belt combine is disclosed, comprise the ceding of Taiwan and delivery chute, delivery chute is divided into two sections of preceding groove, pits, preceding groove is fixed on ceding of Taiwan discharging opening place, pit is fixed on threshing bin feeding mouth place, and forward and backward groove is movably hinged, and ceding of Taiwan middle part connects elevator.But, still lack lower cutter device in this technical scheme, can not carry out further disconnected stubble to the harvested surplus stubble of the ceding of Taiwan, be unfavorable for the follow-up farming in farmland.
Publication number is to disclose a kind of liftable lower cutter device of reaping machine in the patent documentation of CN101563973, elevator comprises the elevating lever that is fixedly connected on the support bar, the control end of elevating lever connects the link of pedal by connecting rod, the control end of pedal is provided with stressed plate, pedal is movably articulated on the frame, and backstay is movably articulated on the pedal, and backstay one end is provided with positioning tooth, on the frame corresponding with positioning tooth alignment pin is set, the backstay other end is provided with control panel.This elevator needs operating personnel to regulate the operating position of lower cutter device by pedal, shift in the grain header field, or when crossing bank and crossing the ridge, the operator is because can not visually arrive the location status of cutter down, after lifting the high ceding of Taiwan, often forget the lower cutter device that raises simultaneously, lower cutter device often takes place be subjected to the phenomenon of ridge damaged in collision because of not having to raise.
Summary of the invention
The present invention aims to provide a kind of grain header automatic lifting lower cutter device, and it down can follow the highly automated lifting of the ceding of Taiwan in cutter position, and in the ceding of Taiwan is in, during lower position, following cutter position is constant substantially; When the ceding of Taiwan was in the high position, following cutter position raise automatically, damaged to avoid being subjected to the collision of ridge or other barrier.
Technical scheme of the present invention is: a kind of grain header automatic lifting lower cutter device, comprise cutter down, following cutter is movably articulated on the frame by the support bar pin joint, and locating pin is carried out unidirectional spacing around the rotational travel of pin joint to support bar, to determine the minimum operating position of cutter down; The ceding of Taiwan is movably articulated on the body, and working depth is supported and regulated in the ceding of Taiwan by elevator; Be provided with on the support bar and care for a little, hitch point is set in the ceding of Taiwan, care for a little with hitch point between carry out surplus by connector and be connected, when the hitch point position changed in setting range, connector can not make it to rotate the tractive force that raises around the support bar pin joint to caring for a generation.
Described setting range is meant the ceding of Taiwan because of adapting to the scope that high and low crop harvesting lifting causes the hitch point change in location, and the value range of different type of machines can there are differences, but this value range of same type is fixed.
The ceding of Taiwan is gathered in high and low crop when the hitch point position is changed in setting range, because of there is the activity surplus in connector, connector can not make it to rotate the tractive force that raises around the support bar pin joint to caring for a generation, following cutter is in minimum operating position all the time surplus stubble is cut, the stubble that stays is low, effect is good, and is little to follow-up farming production influence; The ceding of Taiwan raises when making the hitch point change in location exceed setting range, show that the ceding of Taiwan breaks away from the harvesting state, begin to lift high the preparation through higher barrier, as the ridge ditch, hitch point increases, activity surplus on the connector is reduced to zero, connector is changed to the stressed joint state, hitch point makes it to rotate the tractive force that raises around the support bar pin joint to caring for a generation by connector, care for a little and raise fast, care for a little and to drive down by support bar that the cutter position raises automatically fast, can arrive higher home always, can avoid when process ridge ditch, being collided and damage; The ceding of Taiwan descends from the high position, shows that ceding of Taiwan preparation enters the harvesting state, and following cutter is followed decline under the self gravitation effect, and when the hitch point position dropped in the setting range, following cutter had arrived minimum operating position, returns to optimum Working.
Above-mentioned connector comprises that an end is movably articulated in the connecting rod of caring for a little, the connecting rod other end is provided with bar hole, bar hole is sleeved on the pin that is fixed in hitch point, and the hitch point position is when being elevated to the highest order of setting range, and pin slides into the top dead centre of bar hole.When the hitch point position changes in setting range, pin slides to the activity surplus of lower dead center at the top dead centre of bar hole, can not make it to rotate the tractive force that raises around the support bar pin joint to caring for a generation by connecting rod, following cutter be in minimum operating position all the time; When the hitch point position was elevated to the highest order of setting range, pin slided to the top dead centre place of bar hole; When the rising of hitch point position exceeds in the setting range, pin makes it to rotate the tractive force that raises around the support bar pin joint to caring for a generation by connecting rod at the top dead centre place, care for a little and raise fast, care for a little and drive cutter position rising fast automatically down by support bar, can arrive higher home always, can avoid through the ridge ditch time, being collided and damage.Suit slip ring or bearing on the described pin, it is more smooth and easy to allow pin slide in bar hole, should be considered as the equivalent technologies feature of pin.
Above-mentioned connector comprises that an end is movably articulated in the toggle of caring for a little, one end is movably articulated in the toggle two of hitch point, the other end of toggle one, toggle two is movably hinged mutually, and the hitch point position is when being elevated to the highest order of setting range, toggle one and toggle two state that is in line.The highest order of described setting range is meant in setting range, hitch point the highest liftoff position.When the hitch point position changes below the highest order of setting range, toggle one is in non-directional semi-collapsed condition with toggle two, the variation of hitch point position only can cause that the angle that toggle one and toggle two are movably hinged changes, can not make it to rotate the tractive force that raises around the support bar pin joint to caring for a generation, following cutter be in minimum operating position all the time; When the rising of hitch point position exceeds in the setting range, toggle one and toggle two state that is in line, hitch point is cared for a generation by toggle one, two pairs of toggles and is made it to rotate the tractive force that raises around the support bar pin joint, care for a little and raise fast, care for a little and drive cutter position rising fast automatically down by support bar, can arrive higher home always, can avoid through the ridge ditch time, being collided and damage.
Above-mentioned connector comprises that an end is installed in and cares for the flexible strand that point, the other end are installed in hitch point, and the hitch point position is when being elevated to the highest order of setting range, the flexible strand state of being in line that is straightened.Flexible strand can adopt steel wire rope, or nylon rope, or the kernmantle made of other material.The highest order of described setting range is meant in setting range, hitch point the highest liftoff position.When the hitch point position changes below the highest order of setting range, flexible strand is non-stretching case of bending, the variation of hitch point position only can cause that the case of bending of flexible strand changes, can not make it to rotate the tractive force that raises around the support bar pin joint to caring for a generation, following cutter be in minimum operating position all the time; When the rising of hitch point position exceeds in the setting range, the flexible strand state of being in line that is straightened, hitch point makes it to rotate the tractive force that raises around the support bar pin joint to caring for a generation by flexible strand, care for a little and raise fast, care for a little and drive cutter position rising fast automatically down by support bar, can arrive higher home always, can avoid through the ridge ditch time, being collided and damage.
On the above-mentioned support bar back-moving spring is installed, helping down, cutter resets to minimum operating position.The ceding of Taiwan descends from limit high position, and following cutter is followed decline under the self gravitation effect, and back-moving spring produces elastic force and self gravitation stack, and helping down, cutter drops to extreme lower position more reliably.
The present invention is by being provided with down the minimum operating position of cutter, care for a little with hitch point between carry out surplus with connector and be connected, the beneficial effect that produces has: 1, cutter is followed taiwan cut off and landing automatically down, reduced the probability of the damaged in collision that meets accident, simplify operation sequence again, alleviated operator's work load.2, disconnected stubble is effective, and following cutter is in minimum operating position substantially surplus stubble is cut, and stubble is low, and is little to follow-up farming production influence.3, omit the independent-lifting mechanism of lower cutter device, reduced cost.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the present invention.
Fig. 2, Fig. 3 are work schematic diagrames embodiment illustrated in fig. 1.
The structural representation of Fig. 4 second kind of embodiment of the present invention.
Fig. 5, Fig. 6 are work schematic diagrames embodiment illustrated in fig. 4.
Fig. 7 is the structural representation of the third embodiment of the present invention.
Fig. 8, Fig. 9 are work schematic diagrames embodiment illustrated in fig. 7.
Embodiment
Below, in conjunction with the accompanying drawings embodiments of the present invention are described further.
Fig. 1 shows first kind of embodiment of a kind of grain header automatic lifting lower cutter device, comprise cutter 1 down, following cutter 1 is movably articulated on the frame 2 by support bar 11 pin joints 12,21 pairs of support bars 11 of locating pin carry out unidirectional spacing around the rotational travel of pin joint 12, to determine the minimum operating position of cutter 1 down, back-moving spring 5 is installed on the support bar 11, and helping down, cutter 1 resets to minimum operating position; The ceding of Taiwan 3 is movably articulated on the body 6, and working depth is supported and regulated to the ceding of Taiwan 3 by elevator 32; Be provided with on the support bar 11 and care for a little 13, hitch point 33 is set in the ceding of Taiwan 3, connecting rod 4 one ends are movably articulated in cares for a little 13, and connecting rod 4 other ends are provided with bar hole 41, and bar hole 41 is sleeved on the pin that is fixed in hitch point 33.When hitch point 33 positions change in setting range, the pin that is fixed in hitch point 33 slides in the lower dead center 411 of bar hole 41 and the activity surplus between the top dead centre 412, connecting rod 4 can 13 not produce the tractive force that makes it to rotate around support bar 11 pin joints 12 rising to caring for a little, and following cutter 1 is in minimum operating position all the time; When the rising of hitch point 33 positions exceeds in the setting range, pin is cared for a little 13 generations at top dead centre 412 places by 4 pairs of connecting rods and is made it to rotate the tractive force that raises around support bar 11 pin joints 12, care for a little and 13 raise fast, care for a little 13 and drive down by support bar 11 that cutter 1 position raises automatically fast, can arrive higher home, can avoiding in process ridge ditch at present, cutter 1 is collided and damages always.
Fig. 2, Fig. 3 show work schematic diagram embodiment illustrated in fig. 1, among Fig. 2, elevator 32 shrinks the ceding of Taiwan 3 working depths is descended, to tackle the harvesting of short crop, the pin that is fixed in hitch point 33 slides to lower dead center 411 directions in bar hole 41, care for a little and 13 be not subjected to the tractive force that connecting rod 4 makes it to rotate around support bar 11 pin joints 12 rising, following cutter 1 is in minimum operating position all the time, realizes best disconnected stubble effect.Among Fig. 3, elevator 32 elongations promote the ceding of Taiwan 3 and lift high the preparation through higher barrier, as the ridge ditch, hitch point 33 change in location exceed setting range, the pin that is fixed in hitch point 33 arrives the top dead centre 412 of bar hole 41, connecting rod 4 is changed to the stressed joint state, pin is cared for a little 13 generations at top dead centre 412 places by 4 pairs of connecting rods and is made it to rotate the tractive force that raises around support bar 11 pin joints 12, care for a little and 13 raise fast, care for a little 13 and drive down by support bar 11 that cutter 1 position raises automatically fast, until higher home.
Fig. 4 shows second kind of embodiment of a kind of grain header automatic lifting lower cutter device, comprise cutter 1 down, following cutter 1 is movably articulated on the frame 2 by support bar 11 pin joints 12,21 pairs of support bars 11 of locating pin carry out unidirectional spacing around the rotational travel of pin joint 12, to determine the minimum operating position of cutter 1 down, back-moving spring 5 is installed on the support bar 11, and helping down, cutter 1 resets to minimum operating position; The ceding of Taiwan 3 is movably articulated on the body 6, and working depth is supported and regulated to the ceding of Taiwan 3 by elevator 32; Be provided with on the support bar 11 and care for a little 13, hitch point 33 is set in the ceding of Taiwan 3, toggle one 201 tops are movably articulated in hitch point 33, toggle 2 202 tail ends are movably articulated in cares for a little 13, toggle one 201 tail ends, toggle 2 202 tops are movably hinged mutually, when hitch point 33 positions change below the highest order of setting range, toggle 1 is in non-directional semi-collapsed condition with toggle 2 202, the variation of hitch point 33 positions only can cause that the angle α that toggle 1 and toggle 2 202 are movably hinged changes, can 13 not produce the tractive force that makes it to rotate around support bar 11 pin joints 12 rising to caring for a little, following cutter 1 is in minimum operating position all the time.
Fig. 5, Fig. 6 show work schematic diagram embodiment illustrated in fig. 4, among Fig. 5, elevator 32 shrinks the ceding of Taiwan 3 working depths is descended, to tackle the harvesting of short crop, hitch point 33 positions reduce, toggle 1 increases with the angle α that toggle 2 202 is movably hinged, and cares for a little 13 not to be subjected to making it rotating the tractive force that raises around support bar 11 pin joints 12, and following cutter 1 is in minimum operating position all the time; Among Fig. 6, elevator 32 elongations promote the ceding of Taiwan 3 and raise when exceeding in the setting range, hitch point 33 raises, toggle 1 and toggle 2 202 state that is in line, angle is zero, and hitch point 33 is cared for a little by toggle 1,2 202 pairs of toggles and 13 produced the tractive force that makes it to rotate around support bar 11 pin joints 12 rising, cares for a little 13 to raise fast, care for a little 13 and drive down by support bar 11 that cutter 1 position raises automatically fast, can arrive higher home always.
Fig. 7 shows a kind of the third embodiment of grain header automatic lifting lower cutter device, comprise cutter 1 down, following cutter 1 is movably articulated on the frame 2 by support bar 11 pin joints 12,21 pairs of support bars 11 of locating pin carry out unidirectional spacing around the rotational travel of pin joint 12, to determine the minimum operating position of cutter 1 down, back-moving spring 5 is installed on the support bar 11, and helping down, cutter 1 resets to minimum operating position; The ceding of Taiwan 3 is movably articulated on the body 6, and working depth is supported and regulated to the ceding of Taiwan 3 by elevator 32; Be provided with on the support bar 11 and care for a little 13, hitch point 33 is set in the ceding of Taiwan 3, steel wire rope 301 head ends are installed in hitch point 33, tail end is installed in cares for a little 13, hitch point 33 positions are under the highest order of setting range the time, steel wire rope 301 is crooked more than needed state, when hitch point 33 positions are elevated to the highest order of setting range, and steel wire rope 301 state of being in line that is straightened.
Fig. 8, Fig. 9 show work schematic diagram embodiment illustrated in fig. 7, among Fig. 8, elevator 32 shrinks the ceding of Taiwan 3 working depths is descended, to tackle the harvesting of short crop, hitch point 33 positions reduce, steel wire rope 301 crooked degree more than needed strengthen, and care for a little and 13 are not subjected to the tractive force that steel wire rope 301 makes it to rotate around support bar 11 pin joints 12 rising, and following cutter 1 is in minimum operating position all the time; Among Fig. 9, elevator 32 elongations promote the ceding of Taiwan 3 and raise when exceeding in the setting range, hitch point 33 raises, steel wire rope 301 state of being in line that is straightened, hitch point 33 is cared for a little by 301 pairs on steel wire rope and 13 is produced the tractive force that makes it to rotate around support bar 11 pin joints 12 rising, care for a little 13 and raise fast, care for a little 13 and drive cutter 1 position rising fast automatically down, can arrive higher home always by support bar 11.
Certainly, care among the present invention a little with hitch point between carry out surplus by connector and be connected, the embodiment of described connector is not limited in above-mentioned three kinds of embodiment, those skilled in the art are enlightened by technology of the present invention, the embodiment of making in conjunction with common practise, should be considered as the other embodiment of connector, belong to right covering scope of the present invention.
Claims (5)
1. grain header automatic lifting lower cutter device, comprise cutter down, following cutter is movably articulated on the frame by the support bar pin joint, it is characterized in that locating pin support bar is carried out around the rotational travel of pin joint unidirectional spacing, to determine the minimum operating position of cutter down; The ceding of Taiwan is movably articulated on the body, and working depth is supported and regulated in the ceding of Taiwan by elevator; Be provided with on the support bar and care for a little, hitch point is set in the ceding of Taiwan, care for a little with hitch point between carry out surplus by connector and be connected, when the hitch point position changed in setting range, connector can not make it to rotate the tractive force that raises around the support bar pin joint to caring for a generation.
2. grain header automatic lifting lower cutter device as claimed in claim 1, it is characterized in that connector comprises that an end is movably articulated in the connecting rod of caring for a little, the connecting rod other end is provided with bar hole, bar hole is sleeved on the pin that is fixed in hitch point, and when the hitch point position was elevated to the highest order of setting range, pin slided into the top dead centre of bar hole.
3. grain header automatic lifting lower cutter device as claimed in claim 1, it is characterized in that connector comprises that an end is movably articulated in the toggle of caring for a little, one end is movably articulated in the toggle two of hitch point, the other end of toggle one, toggle two is movably hinged mutually, and when the hitch point position is elevated to the highest order of setting range, toggle one and toggle two state that is in line.
4. grain header automatic lifting lower cutter device as claimed in claim 1, it is characterized in that connector comprises that an end is installed in and cares for the flexible strand that point, the other end are installed in hitch point, and when the hitch point position is elevated to the highest order of setting range, the flexible strand state of being in line that is straightened.
5. as each described grain header automatic lifting lower cutter device of claim 1-4, it is characterized in that installing on the support bar back-moving spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077913XA CN102217456A (en) | 2011-03-30 | 2011-03-30 | Automatic lifting low cutter device of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077913XA CN102217456A (en) | 2011-03-30 | 2011-03-30 | Automatic lifting low cutter device of harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102217456A true CN102217456A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110077913XA Pending CN102217456A (en) | 2011-03-30 | 2011-03-30 | Automatic lifting low cutter device of harvester |
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| Country | Link |
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| CN (1) | CN102217456A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988629A (en) * | 2014-05-14 | 2014-08-20 | 山东五征集团有限公司 | Multi-dimensional adjustable segment clamping header of peanut combine |
| CN110268857A (en) * | 2019-07-02 | 2019-09-24 | 深圳市俊达通办公智能科技有限公司 | A kind of grass dressing machine with anticollision and height adjusting function |
| CN111108903A (en) * | 2018-10-31 | 2020-05-08 | 迪尔公司 | Corn harvester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588742Y (en) * | 2002-09-23 | 2003-12-03 | 李中亭 | Harvester repeated cutting apparatus |
| JP2005348604A (en) * | 2004-06-08 | 2005-12-22 | Iseki & Co Ltd | Combine harvester |
| CN200983759Y (en) * | 2006-12-25 | 2007-12-05 | 广东省第二农机厂 | Multi-functional miniature combine |
| CN101347072A (en) * | 2008-08-29 | 2009-01-21 | 江苏沃得农业机械有限公司 | Soybean flexible cutting knife device |
| CN202043450U (en) * | 2011-03-30 | 2011-11-23 | 胡克仁 | Automatic lower cutting knife lifting device of harvester |
-
2011
- 2011-03-30 CN CN201110077913XA patent/CN102217456A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2588742Y (en) * | 2002-09-23 | 2003-12-03 | 李中亭 | Harvester repeated cutting apparatus |
| JP2005348604A (en) * | 2004-06-08 | 2005-12-22 | Iseki & Co Ltd | Combine harvester |
| CN200983759Y (en) * | 2006-12-25 | 2007-12-05 | 广东省第二农机厂 | Multi-functional miniature combine |
| CN101347072A (en) * | 2008-08-29 | 2009-01-21 | 江苏沃得农业机械有限公司 | Soybean flexible cutting knife device |
| CN202043450U (en) * | 2011-03-30 | 2011-11-23 | 胡克仁 | Automatic lower cutting knife lifting device of harvester |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988629A (en) * | 2014-05-14 | 2014-08-20 | 山东五征集团有限公司 | Multi-dimensional adjustable segment clamping header of peanut combine |
| CN103988629B (en) * | 2014-05-14 | 2015-12-23 | 山东五征集团有限公司 | The multidimensional adjustable segment clamping ceding of Taiwan of peanut combine |
| CN111108903A (en) * | 2018-10-31 | 2020-05-08 | 迪尔公司 | Corn harvester |
| CN110268857A (en) * | 2019-07-02 | 2019-09-24 | 深圳市俊达通办公智能科技有限公司 | A kind of grass dressing machine with anticollision and height adjusting function |
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Application publication date: 20111019 |