CN206547373U - Grain threshing roller concave clearance adjusting means - Google Patents
Grain threshing roller concave clearance adjusting means Download PDFInfo
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- CN206547373U CN206547373U CN201621475110.4U CN201621475110U CN206547373U CN 206547373 U CN206547373 U CN 206547373U CN 201621475110 U CN201621475110 U CN 201621475110U CN 206547373 U CN206547373 U CN 206547373U
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- threshing
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Abstract
The utility model is related to a kind of grain threshing roller concave clearance adjusting means, including top cover, threshing cylinder, concave grate, motor, frame, threshing tooth stress test system and signal are received and processing system;Detection device manufacturing cost is low, easy installation and removal, detection method and result treatment intelligence degree are high, and motor driving apparatus easy installation and removal, positioning precision is high, and reaction speed is fast, sensitivity is high, and trackability is good, safe and reliable, long lifespan.The device not only increases working performance, also improves installed threshing separator functional reliability and operating efficiency.It is simple to operate in addition, the device can also realize the harvest to Different Crop by the regulation of control system parameter, it is not necessary to artificially de-regulation concave clearance, it is time saving and energy saving.
Description
Technical field
The utility model is related to a kind of grain threshing roller concave clearance adjusting means, specifically be by threshing tooth
Stress collection produce feedback signal motor with processing and work, automatically adjusting for concave clearance can be achieved.
Background technology
Installed threshing separator is one of core work part of combined harvester, determines the quality of overall performance.Tradition
Sheller unit mainly includes threshing cylinder, concave grate and top cover.When combined harvester works, crop fills through delivery chute feeding threshing
Put, producing rubbing, collision with concave grate in the case where threshing cylinder is hit at a high speed realizes threshing, while making approximate along concave grate and top cover
Screw.The grain taken off is separated from notch board sieve aperture, and into subsequently cleaning, a large amount of complete stalks are discharged outside machine.
During real work, feed quantity can be fluctuated with the distribution density difference of field crops, and this just directly results in threshing cylinder
Load can change, and can cause to block stalling when serious.
From the point of view of the combine mass follow-up investigation situation of Ministry of Agriculture's tissue in 1999, the mean free error time is
8.8 hours, wherein self-propelled combine time between failures were 8.4 hours, and mounted combine is 9.7
Hour.2000 in emphasis follow-up check, during the Mean work of 3 representational self-propelled combines
Between be only 19.1 hours, far below the external level of 50 ~ 80 hours, serious restriction whole nation rice combine
Development.After harvester feed blocking failure occurs, exclude and block general all very time-consuming laborious, shutdown maintenance can be caused when serious,
Directly affecting the harvest season robs farming season, also directly affects the income of machine hand, this to original machine just in the urgent need to being improved.It is existing
In some sheller units, the harvester threshing lash adjusting device of the utility model such as Zhao Guangjun(CN 203340634 U), its energy
Enough for the different cylinder-concave clearance of different crop choices, to obtain optimal Threshing.This and traditional threshing dress
Put, concave clearance can be adjusted manually, but in the course of the work, cylinder-concave clearance(Concave clearance)It is changeless, it is impossible to root
According to real-time service load, adjust automatically concave clearance does not just reach pre- anti-clogging yet, improves functional reliability and operating efficiency
Purpose.
Utility model content
Technical problem to be solved in the utility model is to overcome the technical disadvantages of above-mentioned installed threshing separator there is provided one
In the case of kind combined harvester field harvest feed quantity is fluctuated, a kind of combining for automatically adjusting concave clearance can be realized
Machine installed threshing separator;The utility model can be used for the stress mornitoring of threshing toothed bar during the harvest of combined harvester field, and detection is set
Standby manufacturing cost is low, easy installation and removal, detection method and result treatment intelligence degree it is high, motor driving apparatus installing/dismounting
Convenient, positioning precision is high, and reaction speed is fast, sensitivity is high, and trackability is good, safe and reliable, long lifespan.
Technical solution adopted in the utility model is, a kind of grain threshing roller concave clearance adjusting means, including top
Lid, threshing cylinder, concave grate, motor, frame, threshing tooth stress test system and signal are received and processing system;Top cover
In the top of threshing cylinder, concave grate is in the lower section of threshing cylinder;Threshing cylinder includes the threshing toothed bar being arranged on width disk;It is recessed
Screen is made up of left hinged ear, sieve nest, right hinged ear;One end of left hinged ear and motor is hinged, and motor is another
End is connected with frame;Right hinged ear is hinged with frame;Threshing tooth stress test system is by resistance strain gage, foil gauge signal
Line, stress acquisition module, bolt, power module, nut, Dual module mounting bracket composition;Resistance strain gage is arranged on threshing tooth
On bar, Dual module mounting bracket is arranged on width disk, and stress acquisition module and power module are located in Dual module mounting bracket, should
Become piece signal wire with resistance strain gage, stress acquisition module and power module to be connected, signal is received to be used for receiving with processing system
The signal of stress acquisition module transmitting, and by feedback signal transmission to motor.
In such scheme, threshing cylinder also includes bearing block, bearing, power transmission shaft and sprocket wheel;Power transmission shaft is disposed by bearing
On bearing block, bearing block is bolted in frame, and width disk is placed on the inside of bearing block and is connected by key with power transmission shaft,
Sprocket wheel is placed on the side termination of power transmission shaft.
In such scheme, the signal is received and is made up of with processing system wireless signal receiver, signal transacting display,
Wireless signal receiver receives signal of the stress acquisition module by wireless signal transmission, and is transferred to signal transacting display
Interior, feedback signal is transferred to motor by signal transacting display by signal wire.
In such scheme, wireless signal receiver, signal transacting display are respectively positioned in combined harvester driver's cabin.
In such scheme, the concave grate is that grid-type concave is sieved or punched holes type concave grate.
In such scheme, the threshing toothed bar is spike-tooth;The threshing cylinder is cut flow roller or axial-flow type drum.
The utility model additionally provides what is automatically adjusted using grain threshing roller concave clearance self-checking device
Method, comprises the following steps:
(1)In the combined harvester course of work, signal receive with processing system obtain in real time depart from tooth on stress this
Running parameter;
(2)Signal is received carries out abnormal data replacement, Completing Missing Values, Data Denoising with processing system to Monitoring Data
Deng pretreatment, to eliminate random, influence of the uncertain factor to subsequent data analysis;
(3)Using the stress parameters by pretreatment as input signal, corresponding control signal is exported in real time and acts on drive
Dynamic motor completes automatically adjusting for concave clearance, so that the stress distribution on threshing tooth is in rational scope.
Further, it is by the deterministic process of input signal to output signal:Stress signal X is more than presetting upper limit
Value XMAX, then the negative signal of a retraction motor is produced;If stress signal X is less than presetting lower bound limit value XMIN, then produce
The positive signal of raw elongation motor;Otherwise a zero-signal is produced, motor is failure to actuate.
Further, the adjustable range of concave clearance is 10 ~ 50mm
The beneficial effects of the utility model are:(1)It is adapted to combine under the multi-state complex environment of field there is provided one kind and receives
The concave clearance for obtaining the stress mornitoring based on threshing toothed bar of machine field harvest-seed extraction separator automatically adjusts device and method,
The threshing toothed bar stress mornitoring of installed threshing separator and concave clearance is adaptive when being harvested available for combined harvester field
Adjustment;(2)Detection device manufacturing cost is low, easy installation and removal, detection method and result treatment intelligence degree are high, and motor drives
Dynamic equipment easy installation and removal, positioning precision is high, and reaction speed is fast, sensitivity is high, and trackability is good, safe and reliable, the life-span
It is long.(3)Due to field crops skewness, when feed quantity becomes big suddenly, the stress on threshing toothed bar becomes big suddenly, at signal
Reason system control motor tunes up concave clearance, so as to prevent roller to block;When feed quantity is too small, answering on threshing toothed bar
Power is too small, and signal processing system control motor turns concave clearance down, it is possible to increase the working performance of roller, reduction is de-
Grain separation loss.The device not only increases working performance, also improves installed threshing separator functional reliability and work
Efficiency.(4)In addition, the device can also realize the harvest to Different Crop, it is not necessary to people by the regulation of control system parameter
It is simple to operate for ground de-regulation concave clearance, it is time saving and energy saving.
Brief description of the drawings
Fig. 1 is concave clearance adjusting means structural representation.
Fig. 2 is concave sieve structure schematic diagram.
Fig. 3 is threshing roller structure schematic diagram.
Fig. 4 is threshing tooth stress test system structure and schematic view of the mounting position.
Fig. 5 is reception of wireless signals and processing.
Fig. 6 is signal transacting monitor signal processing procedure.
In figure:1 top cover, 2 threshing cylinders, 3 concave grates, 4 motors, 5 frames, 6 stress test systems.201 bearing blocks,
202 bearings, 203 power transmission shafts, 204 width disks, 205 threshing toothed bars, 206 sprocket wheels, 301 left hinged ears, 302 sieve nests, 303 right sides are hinged
Ear, 601 resistance strain gages, 602 foil gauge signal wires, 603 stress acquisition modules, 604 bolts, 605 power modules, 606 nuts,
607 Dual module mounting brackets, 701 wireless signal receivers, 702 signal transacting displays, 4 motors.
Embodiment
Dress is automatically adjusted to a kind of grain threshing roller concave clearance of the utility model concrete model below in conjunction with the accompanying drawings
Put and adjusting method specific implementation process is described further.
As shown in figure 1, a kind of grain threshing roller concave clearance self-checking device and adjusting method, including it is top cover 1, de-
Grain roller 2, concave grate 3, motor 4, frame 5, threshing tooth stress test system 6 and signal are received and processing system 7;
As shown in Fig. 2 concave grate 3 is made up of left hinged ear 301, sieve nest 302, right hinged ear 303;Left hinged ear 301 with
The right-hand member of motor 4 is hinged, and right hinged ear 303 is hinged with frame 5, and the adjustable range of concave clearance is 10 ~ 50mm.
As shown in figure 3, threshing cylinder 2 by bearing block 201, bearing 202, power transmission shaft 203, width disk 204, threshing toothed bar 205,
Sprocket wheel 206 is constituted;Power transmission shaft 203 is placed on bearing block 201 by bearing 202, and bearing block 201 is bolted on frame
On 5, width disk 204 is placed on the inner side of bearing block 201 and is connected by key with power transmission shaft 203, and threshing toothed bar 205 is arranged on width disk 204
On, sprocket wheel 206 is placed on the side termination of power transmission shaft 203;
As shown in figure 4, threshing tooth stress test system 6 is gathered by resistance strain gage 601, foil gauge signal wire 602, stress
Module 603, bolt 604, power module 605, nut 606, Dual module mounting bracket 607 are constituted;Resistance strain gage 601 is arranged on
On threshing toothed bar 205, Dual module mounting bracket 607 is arranged on width disk 204, stress acquisition module 603 and power module 605
In in Dual module mounting bracket 607, foil gauge signal wire 602 and resistance strain gage 601, stress acquisition module 603 and power supply mould
Block 605 is connected, and the stress signal frequency acquisition of stress acquisition module 603 is 0.5Hz ~ 10Hz.
As shown in figure 5, wireless signal receiver 701 receives signal of the stress acquisition module 603 by wireless signal transmission,
And be transferred in signal transacting display 702, signal transacting display produces feedback signal, and driving electricity is transferred to by signal wire
Machine 4.
As shown in fig. 6, the process of the generation feedback signal for signal transacting display interior, presets if force signal X is more than
Fixed upper bound limit value XMAX, then the negative signal of a retraction motor is produced;If force signal X is less than presetting lower bound limit value
XMIN, then the positive signal of an elongation motor is produced;Otherwise a zero-signal is produced, motor is failure to actuate, so as to realize
Concave clearance is automatically adjusted.
A kind of grain threshing roller concave clearance self-checking device and adjusting method specific implementation process of the model be,
Dual module mounting bracket is fastened by bolts on width disk, make power module and stress acquisition module together with threshing cylinder with
Identical angular speed is rotated;Foil gauge lead is connected with the binding post on stress acquisition module again, in order to avoid trembling for line
The dynamic signal errors that may be brought and accident, foil gauge signal wire are arranged along threshing toothed bar and width disk, and are fixed with tied silk;By
Stress acquisition module gathers the Dynamic Signal of stress, and Dynamic Signal is transferred into wireless signal receiver by wireless signal,
And the signal received is transferred to signal transacting display, collection, processing, display and the generation feedback letter of complete paired data
Number;Feedback signal is transferred to motor by signal wire, and motor drives concave grate motion to change concave clearance.
A kind of grain threshing roller concave clearance self-checking device and adjusting method of the model can be used for combining
The threshing toothed bar stress mornitoring of installed threshing separator and the adaptive adjustment of concave clearance, detection device system when machine field is harvested
Cause a low, easy installation and removal, detection method and result treatment intelligence degree high, motor driving apparatus installing/dismounting side
Just, drive signal is handled quick and precisely.Automatically adjusting for concave clearance can realize concave clearance with the change of feed quantity
Change, can reduce the possibility of threshing cylinder blocking, improve installed threshing separator functional reliability and operating efficiency.This
Outside, the device can also realize the harvest to Different Crop, it is not necessary to artificially de-regulation by the regulation of control system parameter
Concave clearance, it is simple to operate.
Claims (6)
1. a kind of grain threshing roller concave clearance adjusting means, it is characterised in that including top cover(1), threshing cylinder(2), it is recessed
Screen(3), motor(4), frame(5), threshing tooth stress test system(6)Received with signal and processing system(7);Top cover
(1)In threshing cylinder(2)Top, concave grate(3)In threshing cylinder(2)Lower section;Threshing cylinder(2)Including installed in width disk
(204)On threshing toothed bar(205);Concave grate(3)By left hinged ear(301), sieve nest(302), right hinged ear(303)Composition;
Left hinged ear(301)With motor(4)One end be hinged, motor(4)The other end and frame(5)It is connected;The right side is hinged
Ear(303)With frame(5)It is hinged;Threshing tooth stress test system(6)By resistance strain gage(601), foil gauge signal wire
(602), stress acquisition module(603), bolt(604), power module(605), nut(606), Dual module mounting bracket(607)
Composition;Resistance strain gage(601)Installed in threshing toothed bar(205)On, Dual module mounting bracket(607)Installed in width disk(204)
On, stress acquisition module(603)And power module(605)Positioned at Dual module mounting bracket(607)It is interior, foil gauge signal wire
(602)With resistance strain gage(601), stress acquisition module(603)And power module(605)It is connected, signal is received and processing system
System(7)For receiving stress acquisition module(603)The signal of transmitting, and by feedback signal transmission to motor(4).
2. a kind of grain threshing roller concave clearance adjusting means according to claim 1, it is characterised in that threshing cylinder
(2)Also include bearing block(201), bearing(202), power transmission shaft(203)And sprocket wheel(206);Power transmission shaft(203)Pass through bearing
(202)It is placed in bearing block(201)On, bearing block(201)It is bolted on frame(5)On, width disk(204)It is placed on axle
Bearing(201)Inner side passes through key and power transmission shaft(203)Connection, sprocket wheel(206)It is placed on power transmission shaft(203)Side termination.
3. a kind of grain threshing roller concave clearance adjusting means according to claim 1 or 2, it is characterised in that described
Signal is received and processing system(7)By wireless signal receiver(701), signal transacting display(702)Composition, wireless signal connects
Receive device(701)Receive stress acquisition module(603)By the signal of wireless signal transmission, and it is transferred to signal transacting display
(702)It is interior, signal transacting display(702)Feedback signal is transferred to motor by signal wire(4).
4. a kind of grain threshing roller concave clearance adjusting means according to claim 3, it is characterised in that wireless signal
Receiver(701), signal transacting display(702)It is respectively positioned in combined harvester driver's cabin.
5. a kind of grain threshing roller concave clearance adjusting means according to claim 1 or 2, it is characterised in that described
Concave grate(3)For grid-type concave sieve or punched holes type concave grate.
6. a kind of grain threshing roller concave clearance adjusting means according to claim 1 or 2, it is characterised in that described
Threshing toothed bar is spike-tooth;The threshing cylinder is cut flow roller or axial-flow type drum.
Priority Applications (1)
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CN201621475110.4U CN206547373U (en) | 2016-12-30 | 2016-12-30 | Grain threshing roller concave clearance adjusting means |
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CN201621475110.4U CN206547373U (en) | 2016-12-30 | 2016-12-30 | Grain threshing roller concave clearance adjusting means |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
CN108432473A (en) * | 2018-05-09 | 2018-08-24 | 江苏大学 | A kind of efficient installed threshing separator |
CN112189455A (en) * | 2020-09-30 | 2021-01-08 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
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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2016
- 2016-12-30 CN CN201621475110.4U patent/CN206547373U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106664990A (en) * | 2016-12-30 | 2017-05-17 | 江苏大学 | Adjusting device and adjusting method for cereal threshing cylinder concave clearance |
CN108432473A (en) * | 2018-05-09 | 2018-08-24 | 江苏大学 | A kind of efficient installed threshing separator |
CN108432473B (en) * | 2018-05-09 | 2024-06-07 | 江苏大学 | High-efficient threshing and separating device |
CN112189455A (en) * | 2020-09-30 | 2021-01-08 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
CN112189455B (en) * | 2020-09-30 | 2021-08-03 | 江苏大学 | Self-locking hydraulic variable-diameter threshing cylinder and combine harvester |
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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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20191230 |
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CF01 | Termination of patent right due to non-payment of annual fee |