CN107131901A - A kind of Combine Harvester Grain Loss Sensor Calibration device - Google Patents
A kind of Combine Harvester Grain Loss Sensor Calibration device Download PDFInfo
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- CN107131901A CN107131901A CN201710330243.5A CN201710330243A CN107131901A CN 107131901 A CN107131901 A CN 107131901A CN 201710330243 A CN201710330243 A CN 201710330243A CN 107131901 A CN107131901 A CN 107131901A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/127—Control or measuring arrangements specially adapted for combines
- A01D41/1271—Control or measuring arrangements specially adapted for combines for measuring crop flow
- A01D41/1272—Control or measuring arrangements specially adapted for combines for measuring crop flow for measuring grain flow
- A01D41/1273—Control or measuring arrangements specially adapted for combines for measuring crop flow for measuring grain flow for measuring grain loss
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of Combine Harvester Grain Loss Sensor Calibration device.Including support frame, elevating mechanism, moving platform, fall seed component, sensor support platform, camera assembly, control system；Support frame is placed vertically, sensor support platform and elevating mechanism are each attached on support frame, elevating mechanism is connected with the moving platform above sensor support platform, it is provided with seed component on moving platform, camera assembly is arranged on sensor support platform, control system connects elevating mechanism, moving platform, falls seed component, sensor support platform and camera assembly respectively, to control the motion of each mechanism or component.Repeated experiment is carried out using apparatus of the present invention, the performances such as sensitivity, the signal uniformity of Combine Harvester Grain Loss Sensor can be demarcated, and then optimize the design of sensor, improve the detection efficiency and job stability of Combine Harvester Grain Loss Sensor.
Description
Technical field
The invention belongs to Combine Harvester Grain Loss Sensor Calibration device design field, more particularly, to one
Plant Combine Harvester Grain Loss Sensor Calibration device.
Background technology
Current united reaper is mainly using seed of the Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve being made up of blower fan and vibratory sieve to harvest
Separating cleaning is carried out with the debris such as stalk.United reaper causes the cereal of harvest to mix in farm work, inevitably
In the debris such as stalk, the air-flow produced in vibrating sieve tail by blower fan is blown out from side, is directly shed to field and is caused damage.
Some scholars have carried out the research of correlation to Grain Loss Sensor both at home and abroad at present, but to Grain Loss Sensor performance
The research of caliberating device is simultaneously immature, exist throw that quantity is uncontrolled under seed, many seeds simultaneously impact microphone when can only examine
Measure the defect of single shock signal.Patent CN103404299A and CN103141214A are Typical Representative, it is impossible to judged whether
There are double seeds while striking sensor, Grain Loss detection efficiency is than relatively low, therefore can to carry out double seeds same for research and development one kind
At present throw, the Combine Harvester Grain Loss Sensor performance mark of the speed of seed impact microphone, position and adjustable angle
Determine device, it is most important for improving Grain Loss detection efficiency.
The content of the invention
The present invention is the sensors demarcated and designed for the performance to Combine Harvester Grain Loss Sensor
Can caliberating device, this to optimize Combine Harvester Grain Loss Sensor design, determine sensor in united reaper most
Good installation site, improves the job stability of sensor, all with very positive meaning.
The present invention is reaches that above-mentioned purpose is adopted the technical scheme that：
The present invention includes support frame, elevating mechanism, moving platform, falls seed component, sensor support platform, camera assembly, control
System；Support frame is placed vertically, and sensor support platform and elevating mechanism are each attached on support frame, and elevating mechanism is with being located at sensing
Moving platform above device supporting table is connected, and is provided with seed component on moving platform, and camera assembly is arranged on sensor support platform
On, control system connects elevating mechanism, moving platform, falls seed component, sensor support platform and camera assembly to control each respectively
The motion of mechanism or component.
Described elevating mechanism includes lifting motor, lifting slider and elevating screw, and lifting motor is fixed on support frame,
The output shaft of lifting motor arranges that the output shaft of lifting motor is coaxially connected through elevating screw, and lifting slider passes through screw thread vertically
Adapter sleeve is fixedly connected with lifting connecting plate on elevating screw on lifting slider.
Described moving platform includes lifting connecting plate, two longitudinal slide units, two horizontal slide units, portal frame connecting plates and consolidated
Determine corner fittings, lifting connecting plate is fixedly mounted on the lifting slider of the elevating mechanism by fixed corner fittings, two longitudinal slide units
One end be fixedly installed on lifting connecting plate, two longitudinal slide unit horizontal parallels arrangement；The slide unit other end is pacified longitudinally in each
Equipped with longitudinal motor, the coaxially connected longitudinal leadscrew of output shaft of longitudinal motor, longitudinal leadscrew is installed along longitudinal slide unit arrangement support
In longitudinal slide unit, by thread bush equipped with two longitudinal sliding blocks on longitudinal leadscrew；Two horizontal slide unit two bottom sides are led to respectively
Cross portal frame connecting plate to be fixedly installed on two longitudinal sliding blocks of two longitudinal slide units, two horizontal slide unit horizontal parallel arrangements
And it is transversely to the machine direction slide unit；Each horizontal slide unit one end is provided with cross motor, the coaxially connected transverse direction of output shaft of cross motor
Leading screw, transversely the support of slide unit arrangement is arranged in horizontal slide unit horizontal leading screw, by thread bush equipped with laterally in horizontal leading screw
Sliding block, transverse slider side be fixedly mounted described in fall seed component.
It is described to fall seed component and include falling seed component connecting plate, seed dropping pipe frame, seed dropping pipe, motor rack, fall seed motor, connecting shaft
Clamping plate and seed dropping pipe lid, fall seed component connecting plate and are fixed on the side of transverse slider of the moving platform and vertically-mounted, fall seed
Pipe support and motor rack are each attached on seed component connecting plate, and motor is provided with motor rack, and seed dropping pipe is vertically mounted to
In seed pipe support, seed dropping pipe bottom is provided with seed dropping pipe lid, seed dropping pipe lid and the connection of connecting shaft Boards wall, connecting shaft clamping plate and motor it is defeated
Shaft is connected, and motor operation drives seed dropping pipe to cover the displacement in seed dropping pipe bottom via connecting shaft clamping plate, is blocked or is opened.
Described sensor support platform includes support slide unit, support motor, support slipper, support leading screw, supporting table and shelved
Plate, hinge, sensor fixation plate and support bar；Supporting table shelves plate and is fixed on support frame bottom, the side of sensor fixation plate one
Plate is shelved by hinge and supporting table to be hinged, camera assembly is installed in another side of sensor fixation plate, support slide unit is located at support
Platform shelves the lower section of plate, and support motor, support slipper, support leading screw are provided with support slide unit, support the output shaft of motor with
Support leading screw coaxially connected, by thread set support slipper on support leading screw, one end and the sensor fixation plate bottom of support bar
Middle face is hinged, and the other end and the support slipper of support bar are hinged.
Described camera assembly includes camera and lens supporting structure, and lens supporting structure is parallelly mounted to sensor and consolidated
Another side of fixed board, camera is fixed on lens supporting structure, and camera is horizontally mounted simultaneously relative to sensor fixation plate
Towards in the middle of sensor fixation plate.
The jointed shaft and horizontal slide unit of the hinge are perpendicular.
The angle of the sensor fixation plate and horizontal plane is adjustable.Purpose realizes that seed collides Grain Loss Sensor
Angular adjustment, the area requirement seed of angular adjustment can accurate crash sensor, can be ejected again after crash sensor and
Secondary impact is not caused to sensor, therefore angle adjustable range is set as 0 °~75 °.
Described control system include microcontroller and sensor, microcontroller respectively with camera, lifting motor, longitudinal direction
Motor, cross motor, fall seed motor and support motor connection, microcontroller by drive lifting motor, longitudinal motor, laterally electricity
Machine, fall seed motor and support motor action and then adjust seed falling seed component and reach under appropriate position is carried out to throw, and pass through
Dynamic consecutive image when being thrown under camera collection seed, two grain of monitoring hit the time domain difference value of Grain Loss Sensor,
Grain Loss Sensor is examined or check to time domain and its recognition capability of two close seeds.
The present invention is connected using moving platform with lifting platform, can pass through moving platform longitudinal slide unit, horizontal slide unit and lifting
The motor of platform coordinates, and realizes the regulation of seed impact microphone position and speed.Seed impact microphone position meets two
Seed falls to hitting Grain Loss Sensor simultaneously, and the adjustable range of two rum points is pressed for Grain Loss Sensor surface PVDF
Conductive film area coverage；Seed impact microphone speed adjustable range is set as 1.8m/s~3.5m/ according to former achievement in research
S, corresponding seed freely falling body regulation height is 165mm~625mm.
One is respectively mounted in two horizontal slide units of moving platform and falls seed component, can carry out double seeds with throwing experiment at present；
Lower throwing seed drives the action of connecting shaft clamping plate to open by falling the motor in seed component again by being slid in seed dropping pipe road after a segment distance
Seed dropping pipe lid, lower throwing seed carries out the movement of falling object, can reduce the uncertain factor such as gentle breeze and vibration in experimental enviroment
The influence tested impeller ramming under seed.
Sensor fixation plate is shelved plate by hinge and supporting table and is hinged, one end of support bar and the back of the body of sensor fixation plate
Face middle side edge is hinged, the other end of support bar be fixed on support slide unit on support slipper be hinged, when support motor it is defeated
When shaft is rotated at different angles, support slipper is driven to move forward and backward, and then the support bar being hinged with support slipper drives and passed
Sensor fixed plate is risen and fallen motion, changes the angle between sensor fixation plate and horizontal plane, realizes that seed collision Grain Loss is passed
The angular adjustment of sensor.The area requirement seed of angular adjustment can accurate crash sensor, again can be after crash sensor
Angle adjustable range is set as 0 °~75 ° by ejection without causing secondary impact to sensor.
Dynamic consecutive image when being thrown under camera assembly, collection seed, monitoring double seeds are installed on sensor support bottom plate
Hit the time domain difference value of Grain Loss Sensor, identification of the examination Grain Loss Sensor to time domain and its two close seeds
Ability.Repeated experiment is carried out by using the device, Combine Harvester Grain Loss Sensor identification seed can be hit
The performances such as sensitivity, the signal uniformity of signal are demarcated, and then optimize the design of sensor.
The advantageous effect of present invention is that：
Apparatus of the present invention can realize the regulation of speed, position and the angle of seed impact microphone, and can be same to double seeds
Thrown under Shi Jinhang.Dynamic consecutive image when being thrown under seed is gathered using camera assembly, the double seeds of monitoring hit Grain Loss and passed
The time domain difference value of sensor, examination Grain Loss Sensor is to time domain and its recognition capability of two close seeds.
The present invention can optimize the design of Combine Harvester Grain Loss detection sensor, improve loss detection efficiency, be used for
Best position of the sensor on united reaper is determined, the detection efficiency of Combine Harvester Grain Loss Sensor is improved
And job stability.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is moving platform structural representation of the present invention；
Fig. 3 is that the present invention falls seed modular construction schematic diagram；
Fig. 4 is inventive sensor support table structure schematic diagram；
Fig. 5 is camera assembly structural representation of the present invention；
Fig. 6 is control system block diagram of the present invention.
In figure：Support frame 10；Elevating mechanism 20, lifting motor 21, elevating screw 22, lifting slider 23；Moving platform 30, liter
Connecting plate 31, longitudinal slide unit 32, longitudinal motor 321, longitudinal sliding block 322, longitudinal leadscrew 323, horizontal slide unit 33, cross motor drop
331st, transverse slider 332, horizontal leading screw 333, portal frame connecting plate 34, fixed corner fittings 35；Fall seed component 40, fall the connection of seed component
Plate 41, seed dropping pipe frame 42, seed dropping pipe 43, motor rack 44, fall seed motor 45, connecting shaft clamping plate 46, seed dropping pipe lid 47；Sensor support
Platform 50, support slide unit 51, support motor 511, support slipper 512, support leading screw 513, supporting table are shelved plate 52, hinge 53, passed
Sensor fixed plate 54, support bar 55；Camera assembly 60, camera 61, lens supporting structure 62；Control system 70, Labview controls
Software 71 processed, microcontroller 72, sensor 73.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further details to the present invention.
As shown in figure 1, the present invention specific implementation include support frame 10, elevating mechanism 20, moving platform 30, fall seed component 40,
Sensor support platform 50, camera assembly 60, control system 70；Support frame 10 is placed vertically, sensor support platform 50 and lift
Structure 20 is each attached on support frame 10, and elevating mechanism 20 is connected with the moving platform 30 positioned at the top of sensor support platform 50, moves
It is provided with seed component 40 on platform 30, camera assembly 60 is arranged on sensor support platform 50, and control system 70 is connected respectively
Elevating mechanism 20, moving platform 30, fall seed component 40, sensor support platform 50 and camera assembly 60 to control each mechanism or group
The motion of part.
As shown in figure 1, elevating mechanism 20 includes lifting motor 21, elevating screw 22 and lifting slider 23, lifting motor 21
It is fixed on support frame 10, the output shaft of lifting motor 21 is arranged vertically, the output shaft of lifting motor 21 is same through elevating screw 22
Axle is connected, and lifting slider 23, which is connected through a screw thread, to be sleeved on elevating screw 22, and lifting is fixedly connected with lifting slider 23 and is connected
Fishplate bar 31；When the output shaft of lifting motor 21 is with different angular turns, lifting slider is moved about 23 by screw slider subband
Moving platform 30 on mobile and then drive lifting connecting plate 31 is moved up and down.
As shown in Fig. 2 moving platform 30 includes lifting connecting plate 31, two longitudinal slide units 32, two horizontal slide units 33, gantry
Frame connecting plate 34 and fixed corner fittings 35, lifting connecting plate 31 are fixedly mounted on the liter of the elevating mechanism 20 by fixed corner fittings 35
Drop on sliding block 22, one end of two longitudinal slide units 32 is fixedly installed on lifting connecting plate 31, two levels of longitudinal slide unit 32
Parallel arrangement；The other end of slide unit 32 is provided with longitudinal motor 321 longitudinally in each, and the output shaft of longitudinal motor 321 is coaxially connected vertical
To leading screw 323, longitudinal leadscrew 323 is arranged in longitudinal slide unit 32 along the arrangement support of longitudinal slide unit 32, is passed through on longitudinal leadscrew 323
Thread bush is equipped with two longitudinal sliding blocks 322；Two two bottom sides of horizontal slide unit 33 are fixed by portal frame connecting plate 34 respectively pacifies
It is attached on two longitudinal sliding blocks 322 of two longitudinal slide units 32, two horizontal parallels of horizontal slide unit 33 are arranged and are transversely to the machine direction
Slide unit 32；Each one end of horizontal slide unit 33 is provided with cross motor 331, the coaxially connected transverse wire of output shaft of cross motor 331
Thick stick 333, transversely the support of the arrangement of slide unit 33 is arranged in horizontal slide unit 33 horizontal leading screw 333, and screw thread is passed through in horizontal leading screw 333
Be set with transverse slider 332, transverse slider 332 be fixedly mounted sideways described in fall seed component 40.
Movement of the longitudinal motor 321 to control longitudinal sliding block 322, cross motor 331 is to control transverse slider 332
It is mobile.Longitudinal motor 321 and cross motor 331 are connected with control system 70 so that longitudinal motor 321 and cross motor 331
Output shaft when rotating at different angles, longitudinal sliding block 322 and transverse slider 332 are driven along respective by screw pair
Horizontal direction is moved.
As shown in figure 3, falling seed component 40 includes falling seed component connecting plate 41, seed dropping pipe frame 42, seed dropping pipe 43, motor rack
44th, fall seed motor 45, connecting shaft clamping plate 46 and seed dropping pipe lid 47, fall the transverse direction that seed component connecting plate 41 is fixed on the moving platform 30
The side of sliding block 332 is simultaneously vertically-mounted, and seed dropping pipe frame 42 and motor rack 44 are each attached on seed component connecting plate 41, motor rack
Motor 45 is installed, seed dropping pipe 43 is vertically mounted in seed dropping pipe frame 42 on 44, the bottom of seed dropping pipe 43 is provided with seed dropping pipe lid 47,
Seed dropping pipe lid 47 is fixedly connected with connecting shaft clamping plate 46, and connecting shaft clamping plate 46 is connected with the output shaft of motor 45, motor 45 run via
Connecting shaft clamping plate 46 drives seed dropping pipe lid 47 in the displacement of the bottom of seed dropping pipe 43, is blocked or is opened.
Instantly when the cereal thrown reaches 43 bottom of seed dropping pipe, cereal can not stopped any more in seed dropping pipe 43 by seed dropping pipe lid 47
Fall.When needing to allow the cereal in seed dropping pipe 43 to fall, fall seed motor 45 and drive connecting shaft clamping plate 46 to act, and then control seed dropping pipe
Lid 47 is removed, and realizes the lower throwing of seed.
As shown in figure 4, sensor support platform 50 includes support slide unit 51, support motor 511, support slipper 512, supporting wire
Thick stick 513, supporting table shelve plate 52, hinge 53, sensor fixation plate 54 and support bar 55；Supporting table shelves plate 52 and is fixed on support
The bottom of frame 10, the side of sensor fixation plate 54 1 is shelved plate 52 by hinge 53 and supporting table and is hinged, and sensor fixation plate 54 is another
Camera assembly 60 is installed in one side, and support slide unit 51, which is located on the lower section that supporting table shelves plate 52, support slide unit 51, is provided with branch
Motor 511, support slipper 512, support leading screw 513 are supportted, supports the output shaft and support leading screw 513 of motor 511 coaxially connected, branch
By thread set support slipper 512 on support wire thick stick 513, one end of support bar 55 in the middle part of the bottom surface of sensor fixation plate 54 with cutting with scissors
Connect, the other end and the support slipper 512 of support bar 55 are hinged.
When supporting the output shaft of support motor 511 on slide unit 51 to rotate at different angles, before and after drive support slipper
Mobile, the support bar 55 being hinged with support slipper 512 drives sensor fixation plate 54 to rise and fall motion, and then change sensor is fixed
Angle between plate 54 and horizontal plane.
As shown in figure 5, camera assembly 60 includes camera 61 and lens supporting structure 62, the parallel peace of lens supporting structure 62
Another side loaded on sensor fixation plate 54, camera 61 is fixed on lens supporting structure 62, and camera 61 is relative to biography
Sensor fixed plate 54 is horizontally mounted and towards in the middle of sensor fixation plate 54.
When the seed that two in two horizontal slide units 33 fall the seed dropping pipe 43 of seed component 40 is carried out with (the i.e. double seeds of throwing at present
Grain is with throwing at present) when, dynamic image during double seed 73 surfaces of impact microphone is shot with camera 61, the double seeds of monitoring hit
The time domain difference value of Grain Loss Sensor.
The motion of all parts of the present invention and the processing of signal are completed by control system 70.
As shown in fig. 6, control system 70 include microcontroller 72 and sensor 73, microcontroller 72 respectively with camera
61st, lifting motor 21, longitudinal motor 321, cross motor 331, fall seed motor 45 and support motor 511 connect, microcontroller 72
By driving lifting motor 21, longitudinal motor 321, cross motor 331, falling seed motor 45, support motor 511 and by camera
61 act and then adjust seed falling under seed component 40 reaches appropriate position progress to throw, and are gathered by camera 61 under seed
Dynamic consecutive image during throwing.
Labview control softwares 71 are provided with microcontroller 72, control signal is sent by Labview control softwares 71
Signal is gathered with receiving.
The specific work process of the present invention is as follows：
When the output shaft of lifting motor 21 on lifting structure 20 is with different angular turns, lifting slider 23 drives lifting to connect
Moving platform 30 on fishplate bar 31 is moved up and down, and realizes the regulation for falling 40 times throwing seed speed of seed component on moving platform 30.
When the output shaft of cross motor 331 of the horizontal slide unit 33 on moving platform 30 is with different angular turns, drive laterally
Sliding block 332 moves different distances to the left or to the right；Similarly the output shaft of longitudinal motor 321 of longitudinal slide unit 32 is turned with different angles
When dynamic, longitudinal sliding block 322 is driven to be moved forward or rearward different distances.Pass through matching somebody with somebody for transverse slider 332 and longitudinal sliding block 322
Close, realize the regulation for falling 40 times throwing seed positions of seed component being arranged on transverse slider 332.
When the support motor output shaft 511 on sensor support platform 50 is with different angular turns, drive before support slipper
After move, the support bar 55 that is hinged with support slipper 512 drives sensor fixation plate 54 to rise and fall motion, change sensor fixation plate
Angle between 54 and horizontal plane, realizes that seed collides the angular adjustment of Grain Loss Sensor 73.The scope of angular adjustment will
Ask seed can accurate crash sensor 73, can be ejected again after crash sensor 73 without causing secondary hit to sensor 73
Beat, therefore angle adjustable range is set as 0 °~75 °.
When regulating speed, position and the angle of lower throwing cereal impact microphone, fall seed component 40 and start to enter seed
Row is lower to be thrown.The seed dropping pipe 47 of the seed of lower throwing first in seed component 40 is fallen slides a segment distance, to reduce surrounding test environment
The influence that the uncertain factors such as gentle breeze, vibration are tested impeller ramming under seed.When falling seed arrival 43 bottom of seed dropping pipe, fall seed motor
45 drive connecting shaft clamping plates 46 are acted, and then control the opening and closing of seed dropping pipe lid 47, and the lower throwing for completing seed is made.
Camera assembly 60 is installed in the middle part of one end of sensor fixation plate 54, when carrying out double seeds with experiment is thrown at present,
The double seeds of dynamic image and monitoring when double seed 73 surfaces of impact microphone are recorded by camera 61 hit Grain Loss and passed
The time domain difference value of sensor.
The time domain difference value that double seeds hit Grain Loss Sensor is handled, analyzed, Grain Loss biography can be obtained
Sensor 73 is hit to time domain and its recognition capability of two close seeds so as to realize to the identification seed of Grain Loss Sensor 73
The performances such as sensitivity, the signal uniformity of signal are hit to be demarcated.
As can be seen here, the present invention is realized demarcates to the performance of Combine Harvester Grain Loss Sensor.By rising
The cooperation of platform, moving platform and sensor support platform is dropped, speed, position and the angle of cereal impact microphone can be neatly adjusted
Degree.
Claims (5)
1. a kind of Combine Harvester Grain Loss detection sensor Calibration device, it is characterised in that：Including support frame (10),
Elevating mechanism (20), moving platform (30), fall seed component (40), sensor support platform (50), camera assembly (60), control system
(70)；Support frame (10) is placed vertically, and sensor support platform (50) and elevating mechanism (20) are each attached on support frame (10), is risen
Descending mechanism (20) is connected with the moving platform (30) above sensor support platform (50), and moving platform is provided with seed on (30)
Component (40), camera assembly (60) is arranged on sensor support platform (50), and control system (70) connects elevating mechanism respectively
(20), moving platform (30), fall seed component (40), sensor support platform (50) and camera assembly (60) with control each mechanism or
The motion of component.
2. a kind of Combine Harvester Grain Loss detection sensor Calibration device according to claim 1, its feature
It is：Described elevating mechanism (20) includes lifting motor (21), elevating screw (22) and lifting slider (23), lifting motor
(21) it is fixed on support frame (10), the output shaft of lifting motor (21) is arranged vertically, the output shaft of lifting motor (21) is through rising
Drop leading screw (22) is coaxially connected, and lifting slider (23), which is connected through a screw thread, to be sleeved on elevating screw (22), lifting slider (23)
On be fixedly connected with lifting connecting plate (31)；
Described moving platform (30) includes lifting connecting plate (31), two longitudinal slide units (32), two horizontal slide units (33), gantry
Frame connecting plate (34) and fixed corner fittings (35), lifting connecting plate (31) are fixedly mounted on the lift by fixed corner fittings (35)
On the lifting slider (22) of structure (20), one end of two longitudinal slide units (32) is fixedly installed on lifting connecting plate (31), and two
Individual longitudinal slide unit (32) horizontal parallel arrangement；Slide unit (32) other end is provided with longitudinal motor (321), longitudinal motor longitudinally in each
(321) the coaxially connected longitudinal leadscrew of output shaft (323), longitudinal leadscrew (323) is arranged on along longitudinal slide unit (32) arrangement support
In longitudinal slide unit (32), by thread bush equipped with two longitudinal sliding blocks (322) on longitudinal leadscrew (323)；Two horizontal slide units
(33) two bottom sides are fixedly installed to two longitudinal sliding blocks of two longitudinal slide units (32) by portal frame connecting plate (34) respectively
(322) on, two horizontal slide unit (33) horizontal parallels are arranged and are transversely to the machine direction slide unit (32)；Each horizontal slide unit (33) one end
Cross motor (331), the coaxially connected horizontal leading screw of output shaft (333) of cross motor (331), horizontal leading screw (333) are installed
Transversely the support of slide unit (33) arrangement is arranged in horizontal slide unit (33), by thread bush equipped with laterally in horizontal leading screw (333)
Sliding block (332), transverse slider (332) side be fixedly mounted described in fall seed component (40)；
The described seed component (40) that falls includes falling seed component connecting plate (41), seed dropping pipe frame (42), seed dropping pipe (43), motor rack
(44), fall seed motor (45), connecting shaft clamping plate (46) and seed dropping pipe lid (47), fall seed component connecting plate (41) be fixed on it is described dynamic flat
The side of the transverse slider (332) of platform (30) is simultaneously vertically-mounted, and seed dropping pipe frame (42) and motor rack (44) are each attached to seed group
On part connecting plate (41), motor (45) is installed on motor rack (44), seed dropping pipe (43) is vertically mounted to seed dropping pipe frame (42)
In, seed dropping pipe (43) bottom is provided with seed dropping pipe lid (47), and seed dropping pipe lid (47) is fixedly connected with connecting shaft clamping plate (46), connecting shaft clamping plate
(46) output shaft with motor (45) is connected, and motor (45) operation drives seed dropping pipe lid (47) falling seed via connecting shaft clamping plate (46)
The displacement of (43) bottom is managed, is blocked or is opened；
Described sensor support platform (50) includes support slide unit (51), support motor (511), support slipper (512), supporting wire
Thick stick (513), supporting table shelve plate (52), hinge (53), sensor fixation plate (54) and support bar (55)；Supporting table shelves plate
(52) support frame (10) bottom is fixed on, plate (52) is shelved in the side of sensor fixation plate (54) one by hinge (53) and supporting table
It is hinged, camera assembly (60) is installed in another side of sensor fixation plate (54), support slide unit (51) shelves plate positioned at supporting table
(52) support motor (511), support slipper (512), support leading screw (513), support are installed on lower section, support slide unit (51)
The output shaft of motor (511) and support leading screw (513) are coaxially connected, and thread set support slipper is passed through on support leading screw (513)
(512), one end of support bar (55) in the middle part of sensor fixation plate (54) bottom surface with being hinged, the other end of support bar (55) and support
Sliding block (512) is hinged；
Described camera assembly (60) includes camera (61) and lens supporting structure (62), the parallel peace of lens supporting structure (62)
Another side loaded on sensor fixation plate (54), camera (61) is fixed on lens supporting structure (62), camera (61)
It is horizontally mounted relative to sensor fixation plate (54) and middle towards sensor fixation plate (54).
3. a kind of Combine Harvester Grain Loss detection sensor Calibration device according to claim 2, its feature
It is：The jointed shaft and horizontal slide unit (33) of the hinge (53) are perpendicular.
4. a kind of Combine Harvester Grain Loss detection sensor Calibration device according to claim 2, its feature
It is：The sensor fixation plate (54) and the angle of horizontal plane are adjustable.
5. a kind of Combine Harvester Grain Loss detection sensor Calibration device according to claim 2, its feature
It is：Described control system (70) includes microcontroller (72) and sensor (73), and microcontroller (72) connects shooting respectively
Head (61), lifting motor (21), longitudinal motor (321), cross motor (331), fall seed motor (45) and support motor (511),
Microcontroller (72) by drive lifting motor (21), longitudinal motor (321), cross motor (331), fall seed motor (45), branch
Support motor (511) and camera (61) act and then adjust seed falling under seed component (40) reaches appropriate position progress to throw,
And dynamic consecutive image when being thrown under seed is gathered by camera (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710330243.5A CN107131901B (en) | 2017-05-11 | 2017-05-11 | A kind of Combine Harvester Grain Loss Sensor Calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710330243.5A CN107131901B (en) | 2017-05-11 | 2017-05-11 | A kind of Combine Harvester Grain Loss Sensor Calibration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131901A true CN107131901A (en) | 2017-09-05 |
| CN107131901B CN107131901B (en) | 2019-04-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1429706A (en) * | 1972-12-01 | 1976-03-24 | Claas Maschf Gmbh Geb | Apparatus for measuing the amount of grain lost from a combine harvester |
| CN103141214A (en) * | 2013-03-15 | 2013-06-12 | 江苏大学 | Calibration test stand for performances of grain loss monitoring sensor of combined harvester |
| CN103404299A (en) * | 2013-08-05 | 2013-11-27 | 江苏大学 | Dynamic calibration device for detection performance of grain loss sensors of combined harvesters |
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