CN109729847A - A kind of gradable drum threshing system for adjusting cylinder-concave clearance - Google Patents
A kind of gradable drum threshing system for adjusting cylinder-concave clearance Download PDFInfo
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- CN109729847A CN109729847A CN201910094985.1A CN201910094985A CN109729847A CN 109729847 A CN109729847 A CN 109729847A CN 201910094985 A CN201910094985 A CN 201910094985A CN 109729847 A CN109729847 A CN 109729847A
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- connecting rod
- concave
- shell
- hinged
- concave grate
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Abstract
The present invention relates to grain threshing device field, specifically a kind of gradable drum threshing system for adjusting cylinder-concave clearance.Including shell, threshing cylinder and concave grate, the adjustment mechanism for adjusting gap between concave grate and threshing cylinder is equipped between the two sides and inner walls of concave grate, adjustment mechanism includes first connecting rod, second connecting rod, steering engine and sliding rail, one end of first connecting rod is hinged on the inner wall of the housing, the other end and second connecting rod are hinged, the second connecting rod other end is hinged at the side of concave grate, steering engine is fixed on the inner wall of the housing, the tiller sliding of steering engine is threaded through along the first strip-shaped hole that first connecting rod length direction is provided on first connecting rod, sliding rail fixation is distributed on the inner wall of the housing and along the vertical direction, the articulated section of second connecting rod and concave grate is slidably arranged on sliding rail.The present invention can conveniently handle the blocking between threshing cylinder winding and threshing cylinder and grid concave plate sieve, and then improve operating efficiency.
Description
Technical field
The present invention relates to grain threshing device field, specifically a kind of gradable drum threshing for adjusting cylinder-concave clearance
System.
Background technique
The threshing system used on combine harvester at present includes shell body and setting grain roller in the housing and recessed
Screen is separated with shell cereal by the strike kneading action seed shell between threshing cylinder and concave grate, sieve of the seed from concave grate
It is fallen in hole, husk is discharged through shell side.To synchronously complete the harvesting and threshing of seed in harvester traveling process,
Substantially increase the efficiency of crop of grain.
Most of concave grate in the prior art is the west that gap is fixed on threshing cylinder, and concave grate cannot be according to reality
Charging number and material humidity progress cylinder-concave clearance adjusting, and the concave grate of a part of adjustable clearance cannot automatically adjust
To optimal gap size, Threshing is influenced whether.When encountering, material feed quantity is big, when longevity of service, threshing work
Efficiency is just substantially reduced.It even needs to shut down to carry out gap adjustment.Cause the waste of working time and the increase of workload.
Summary of the invention
The present invention is intended to provide a kind of gradable drum threshing system for adjusting cylinder-concave clearance, can conveniently be handled de-
Blocking between the winding of grain roller and threshing cylinder and grid concave plate sieve, and then improve operating efficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: the gradable adjusting cylinder-concave clearance of one kind
Drum threshing system, including shell, the threshing cylinder being rotatably arranged in shell and setting in the housing and positioned at threshing roll
The concave grate of cylinder lower position, is equipped between the two sides and inner walls of concave grate for adjusting concave grate and threshing cylinder
Between gap adjustment mechanism, adjustment mechanism includes first connecting rod, second connecting rod, steering engine and sliding rail, one end of first connecting rod
It is hinged on the inner wall of the housing, the other end and second connecting rod are hinged, and second connecting rod is hinged at notch board in one end of first connecting rod opposite to each other
The side of sieve, steering engine is fixed on the inner wall of the housing, and eccentric setting has tiller on the steering wheel of steering engine, and tiller sliding is threaded through edge
First connecting rod length direction is provided in the first strip-shaped hole on first connecting rod, and sliding rail is fixed on the inner wall of the housing and along vertical
The articulated section of directional spreding, second connecting rod and concave grate is slidably arranged on sliding rail.
Preferably, adjustment mechanism is equipped between the both ends and shell of any side of concave grate.
It preferably, further include for according to spacing between feeding capacity and feeding Humidity Automatic Control threshing cylinder and concave grate
Classification adjustment control mechanism, control mechanism includes for the visual sensor of real-time monitoring feeding capacity, for real-time monitoring
The humidity sensor and single-chip microcontroller of feeding humidity, single-chip microcontroller are used to receive the monitoring signals of visual sensor and humidity sensor
And it drives the steering engine in all adjustment mechanisms synchronous according to monitoring signals and is rotated with width.
Preferably, first connecting rod is hinged on the inner wall of the housing by the first pin shaft, and second connecting rod is cut with scissors by the second pin shaft
It is connected in concave grate lateral edge, is hinged between first connecting rod and second connecting rod by third pin shaft, the first pin shaft, the second pin shaft and
Three pin shafts are distributed in the horizontal direction.
Preferably, the second strip-shaped hole that sliding rail includes substrate and is provided on substrate along the vertical direction, the second pin shaft are sliding
It is dynamic to be arranged in the second strip-shaped hole.
Beneficial effect
The adjustment mechanism that grid concave plate sieve of the invention is made of steering engine and connecting rod controls the movement of vertical direction to adjust threshing
The gap of roller and concave grate.In a preferred embodiment, material can be judged according to humidity sensor and visual sensor
Dry and wet degree and material feed quantity.Signal is issued to steering engine by single-chip microcontroller, it is identical to control four steering engine synchronous rotaries
Angle.It moves concave grate integrally in the vertical direction, achievees the effect that be classified adjustable clearance.According to not sympathizing with for charging
Condition adjusts the gap between concave grate and roller, reaches best disengaging effect.Improve the working efficiency of entire machine.Guarantee de-
The quality and the percentage of thresh of grain reach standard.
Detailed description of the invention
Fig. 1 is structural scheme of mechanism of the invention；
Fig. 2 is the partial enlargement diagram of part A in Fig. 1；
Marked in the figure: 1, steering engine, 101, tiller, 102, steering wheel, 2, first connecting rod, the 201, first strip-shaped hole, 3, second connecting rod, 4,
Sliding rail, 401, substrate, the 402, second strip-shaped hole, 5, concave grate, 6, threshing cylinder, the 7, second pin shaft, 8, third pin shaft, 9, first
Pin shaft, 10, shell.
Specific embodiment
As shown in Figures 1 and 2, the gradable drum threshing system for adjusting cylinder-concave clearance of one kind of the invention, including shell
10, the threshing cylinder 6 being rotatably arranged in shell 10 and setting are in the housing 10 and positioned at the recessed of 6 lower position of threshing cylinder
Screen 5.(shell 10 therein in fig. 1 and fig. 2 only local display to show relativeness).By being distributed in threshing cylinder 6
On spike-tooth and concave grate 5 between strike curry effect carry out threshing.In the end of 5 two sides of concave grate and the shell of corresponding position
Total four adjustment mechanisms for adjusting gap between concave grate 5 and threshing cylinder 6 are equipped between 10 inner wall of body (in Fig. 1
Only show that two adjustment mechanisms, other two adjustment mechanism are located at the weak side Fig. 1 and hide), four adjustment mechanisms are two-by-two with threshing roll
It is symmetrical centered on cylinder 6.
Any one adjustment mechanism in the present invention includes first connecting rod 2, second connecting rod 3, steering engine 1 and sliding rail 4.Such as
Shown in Fig. 2, the right end of first connecting rod 2 therein is hinged on 10 inner wall of shell by the first pin shaft 9, left end and second connecting rod 3
Right end by third pin shaft 8 be hinged, the left end of second connecting rod 3 is hinged at the side of concave grate 5, the first pin shaft 9, the second pin shaft
7 and third pin shaft 8 be distributed in the horizontal direction perpendicular to first connecting rod 2 and second connecting rod 3, for first connecting rod 2 and second
The crank connecting link that the composition driving concave grate 5 of connecting rod 3 is gone up and down along the vertical direction.Steering engine 1 is fixed on the inner wall of shell 10, in steering engine
Eccentric setting is parallel to the tiller 101 of the first pin shaft 9, the second pin shaft 7 and third pin shaft 8, tiller 101 on 1 steering wheel 102
Sliding is threaded through along the first strip-shaped hole 201 that 2 length direction of first connecting rod is provided on first connecting rod 2.Sliding rail 4 is fixed on shell
It is distributed on the inner wall of body 10 and along the vertical direction, the articulated section of second connecting rod 3 and concave grate 5 is slidably arranged on sliding rail 4.
The rotational angle of steering engine 1 is 180 °, and the rotation amplitude region overlay of tiller 101 on left side steering engine 1 is located in Fig. 1
The right semi-circle of its steering wheel 102, the left semicircle of its steering wheel 102 of the rotation amplitude region overlay of tiller 101 on right side steering engine 1.
It is divided into level-one according to every 10 ° of the rotational angle of steering engine 1, rotates 180 ° altogether and be divided into 18 grades, wherein 0 ° of corresponding recessed sieve plate gap
Maximum, 180 ° of corresponding recessed sieve plate gaps are minimum.Made in each angle position by the combination of steering engine 1 and crank connecting link recessed
Grid sieve plate transfers position to achieve the purpose that adjust gap between roller and sieve plate.
In the present embodiment, in order to realize according to feed quantity and feeding humidity automatic adjustment cylinder-concave clearance, to avoid blocking
Situation is additionally provided with for the classification according to spacing between feeding capacity and feeding Humidity Automatic Control threshing cylinder 6 and concave grate 5
The control mechanism of adjustment.Control mechanism include for real-time monitoring feeding capacity visual sensor, for real-time monitoring feeding it is wet
The humidity sensor and single-chip microcontroller of degree.Visual sensor and humidity sensor are arranged at the spout position of threshing system,
Single-chip microcontroller is used to receive the monitoring signals of visual sensor and humidity sensor and drives all adjustment mechanisms according to monitoring signals
In steering engine 1 it is synchronous and rotated with width.In a particular application, with the common diameter 390mm of combine harvester, length 647mm's
For ratch threshing cylinder 6 carries out grain threshing, in the flailing action of 600 turns/min, when feed quantity is 3kg/s, steering engine 1
The rotational angle of tiller 101 be 90 °, feed quantity it is every increase 0.2kg/s when steering engine 1 101 rotational angle of tiller reduce 10 °, feed
When entering the every reduction 0.2kg/s of amount, 1 rotational angle of steering engine increases by 10 °.Can also be when feed quantity be 1.8kg/s and be following, angle of rotation
Degree is 180 °, when every the increases 0.2kg/s of feed quantity, 10 ° of rotational angle reduction.Humidity belongs to normal humidity, tiller no more than 30%
101 rotational angles are adjusted at 30 ° to 180 °, and humidity is greater than 30% and belongs to the larger situation of humidity, adjustable range at 120 ° to 0 °,
It keeps gap cannot be too small, avoids the small winding be easy to causeing of humidity wide arc gap.
According to how much situations of the humidity condition of material and feed quantity, when feed quantity increases, steering engine 1 is reduced by rotation
Angle increases recessed sieve plate gap, increases the passability and the percentage of thresh of material, when feed quantity decline, is caught by visual sensor
It catches signal and is transferred to control platform, by pulse control steering engine 1, increase rotational angle to reduce recessed sieve plate gap and reach best
Threshing.The humidity that material is judged by humidity sensor, sends a signal to control platform, when the humidity for judging material
When very high, control 1 maximum rotation angle of steering engine is no more than 120 °, and rotational angle range is 0 ° ~ 120 ° and keeps the smallest recessed sieve plate
Gap is not less than certain value.When judging that humidity of materials is smaller, when more dry, control 1 minimum rotation angle of steering engine is not less than
30 °, rotation angular region is 30 ° ~ 180 °, and maximum recessed sieve plate gap is kept to be not more than certain value.Crank connecting link is by three parts group
At 1 connecting rod 2 of connecting rod and sliding bar 3,1 one end of connecting rod is fixed on the rack one end connection connecting rod 2, the connection of 2 other end of connecting rod
Among sliding bar.Sliding bar can be moved up and down in vertical direction one degree of freedom.1 output shaft of steering engine is connected among connecting rod 1
On disk convex block on.
Sliding rail 4 includes substrate 401 and the second strip-shaped hole 402 being provided on substrate 401 along the vertical direction, the second pin shaft
7 are slidably arranged in the second strip-shaped hole 402.Improve the rough surface of 402 relative sliding portions of the second pin shaft 7 and the second strip-shaped hole
It spends to guarantee the stability of entire mechanism during the work time, mitigates vibration bring unstable factor.
Claims (5)
1. a kind of gradable drum threshing system for adjusting cylinder-concave clearance, including shell (10), it is rotatably arranged in shell (10)
Threshing cylinder (6) and be arranged in shell (10) and be located at threshing cylinder (6) lower position concave grate (5), feature
It is: is equipped between the two sides and shell (10) inner wall of concave grate (5) for adjusting concave grate (5) and threshing cylinder (6)
Between gap adjustment mechanism, adjustment mechanism includes first connecting rod (2), second connecting rod (3), steering engine (1) and sliding rail (4),
One end of one connecting rod (2) is hinged on shell (10) inner wall, and the other end and second connecting rod (3) are hinged, second connecting rod (3) opposite to each other in
One end of first connecting rod (2) is hinged at the side of concave grate (5), and steering engine (1) is fixed on the inner wall of shell (10), in steering engine
(1) there is tiller (101) eccentric setting on steering wheel (102), tiller (101) sliding is threaded through along first connecting rod (2) length direction
It is provided in the first strip-shaped hole (201) on first connecting rod (2), sliding rail (4) is fixed on the inner wall of shell (10) and along vertical
Directional spreding, second connecting rod (3) and the articulated section of concave grate (5) are slidably arranged on sliding rail (4).
2. the gradable drum threshing system for adjusting cylinder-concave clearance of one kind according to claim 1, it is characterised in that: recessed
Adjustment mechanism is equipped between the both ends and shell (10) of any side of screen (5).
3. the gradable drum threshing system for adjusting cylinder-concave clearance of one kind according to claim 2, it is characterised in that: also wrap
It includes for according to the classification adjustment of spacing between feeding capacity and feeding Humidity Automatic Control threshing cylinder (6) and concave grate (5)
Control mechanism, control mechanism include for the visual sensor of real-time monitoring feeding capacity, for the wet of real-time monitoring feeding humidity
Sensor and single-chip microcontroller are spent, single-chip microcontroller is used to receive the monitoring signals of visual sensor and humidity sensor and believes according to monitoring
Steering engine (1) in number all adjustment mechanisms of driving is synchronous and rotates with width.
4. the gradable drum threshing system for adjusting cylinder-concave clearance of one kind according to claim 1, it is characterised in that: first
Connecting rod (2) is hinged on the inner wall of shell (10) by the first pin shaft (9), and second connecting rod (3) is hinged at by the second pin shaft (7)
Concave grate (5) lateral edge is hinged between first connecting rod (2) and second connecting rod (3) by third pin shaft (8), the first pin shaft (9), the
Two pin shafts (7) and third pin shaft (8) are distributed in the horizontal direction.
5. the gradable drum threshing system for adjusting cylinder-concave clearance of one kind according to claim 4, it is characterised in that: sliding rail
It (4) include substrate (401) and the second strip-shaped hole (402) being provided on substrate (401) along the vertical direction, the second pin shaft (7)
It is slidably arranged in the second strip-shaped hole (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094985.1A CN109729847A (en) | 2019-01-31 | 2019-01-31 | A kind of gradable drum threshing system for adjusting cylinder-concave clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094985.1A CN109729847A (en) | 2019-01-31 | 2019-01-31 | A kind of gradable drum threshing system for adjusting cylinder-concave clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109729847A true CN109729847A (en) | 2019-05-10 |
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ID=66366931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910094985.1A Pending CN109729847A (en) | 2019-01-31 | 2019-01-31 | A kind of gradable drum threshing system for adjusting cylinder-concave clearance |
Country Status (1)
| Country | Link |
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| CN (1) | CN109729847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113424699A (en) * | 2021-06-22 | 2021-09-24 | 湖南农业大学 | Harvester with self-adaptive and uniformly distributed threshed objects and adjusting method thereof |
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|---|---|---|---|---|
| CN2518309Y (en) * | 2002-01-22 | 2002-10-30 | 王瑞斌 | Structure preventing threshing unit of combine from being stopped |
| CN102804980A (en) * | 2012-07-20 | 2012-12-05 | 农业部南京农业机械化研究所 | Automatic monitoring and trouble-shooting device for blocking fault of cylinder-type threshing parts |
| CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
| CN107172973A (en) * | 2017-06-05 | 2017-09-19 | 济南大学 | A kind of sheller unit of adjustable cylinder-concave clearance |
| CN207025857U (en) * | 2017-06-16 | 2018-02-23 | 康美药业股份有限公司 | A kind of winnowing machine of anti-splashing |
| CN109156176A (en) * | 2018-10-30 | 2019-01-08 | 河南科技大学 | A kind of cylinder concave sieve formula threshing system with antiwind anti-blockage function |
-
2019
- 2019-01-31 CN CN201910094985.1A patent/CN109729847A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2518309Y (en) * | 2002-01-22 | 2002-10-30 | 王瑞斌 | Structure preventing threshing unit of combine from being stopped |
| CN102804980A (en) * | 2012-07-20 | 2012-12-05 | 农业部南京农业机械化研究所 | Automatic monitoring and trouble-shooting device for blocking fault of cylinder-type threshing parts |
| CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
| CN107172973A (en) * | 2017-06-05 | 2017-09-19 | 济南大学 | A kind of sheller unit of adjustable cylinder-concave clearance |
| CN207025857U (en) * | 2017-06-16 | 2018-02-23 | 康美药业股份有限公司 | A kind of winnowing machine of anti-splashing |
| CN109156176A (en) * | 2018-10-30 | 2019-01-08 | 河南科技大学 | A kind of cylinder concave sieve formula threshing system with antiwind anti-blockage function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113424699A (en) * | 2021-06-22 | 2021-09-24 | 湖南农业大学 | Harvester with self-adaptive and uniformly distributed threshed objects and adjusting method thereof |
| CN113424699B (en) * | 2021-06-22 | 2023-11-21 | 湖南农业大学 | Harvester capable of adaptively and uniformly distributing removed objects and adjusting method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190510 |