CN103858615A - Cereal bionic rubbing threshing test bed - Google Patents
Cereal bionic rubbing threshing test bed Download PDFInfo
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- CN103858615A CN103858615A CN201410123579.0A CN201410123579A CN103858615A CN 103858615 A CN103858615 A CN 103858615A CN 201410123579 A CN201410123579 A CN 201410123579A CN 103858615 A CN103858615 A CN 103858615A
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Abstract
The invention discloses a cereal bionic rubbing threshing test bed. The cereal bionic rubbing threshing test bed is composed of an upper threshing device, a lower threshing device, a tracking observing device, an instrument device and a rack. The test bed can test three threshing modes including moving rubbing, rotating rubbing and combined rubbing through the rotation of an upper threshing platform and the reciprocating movement of a lower threshing platform. By means of the mounting and dismounting of an upper threshing roller, two working planes of indirect coupling rubbing and direct coupling rubbing are formed through an upper threshing bionic sample piece and a lower threshing bionic sample piece. The height of the upper threshing platform is adjusted by adjusting bolts, a high-speed vidicon is used for shooting the cereal threshing microprocess, a tension sensor is used for detecting horizontal rubbing force, a variable-frequency speed controller is used for changing the revolving speed of an upper threshing motor and the revolving speed of a lower threshing motor, and stepless speed regulating and speed displaying of the rubbing movement are achieved. The lower threshing device moves through a crank and rocker mechanism, and the movement of the lower threshing device is high in bionic approximation degree of the manual wheat rubbing behavior. The cereal bionic rubbing threshing test bed is high in rubbing threshing test micro-testing capability, complete in testing index, good in universality and simple in structure, and the test sample pieces are installed conveniently.
Description
Technical field
The present invention relates to a kind of grain threshing experimental rig, especially relate to the bionical threshing testing stand of rubbing of a kind of cereal, belong to agricultural mechanical field.
Background technology
Cereal kind in agriculture field is many, cultivated area is large, and the cereal such as wheat, paddy rice, soybean, Chinese sorghum are widely used in social production field.Current all kinds of grain harvest has all realized mechanization, and from results equipment technology, wheat, rice harvesting machine are relatively ripe, and other cereal harvesting machineries develop on the two basis.But from the actual effect of grain harvest, the power consumption of grain harvesting machine, the problems such as Grain Loss, cereal damage are still more serious.For the correlation test equipment of grain harvesting machine, see results measure of merit aspects such as mainly concentrating on output test, operating efficiency test from purposes aspect, from the tested object of testing equipment see mainly concentrate on feeding parts, notch board threshing unit, clean parts etc., and cereal is rubbed threshing process and rubbed the test equipment of threshing unit, particularly the bionical test equipment of rubbing threshing unit is still considerably less.Still there is at present following problem:
1, bionical motion design complexity of rubbing threshing, cost is high;
2, the bionical means of testing of rubbing threshing microprocess is unsound, can not be to rubbing threshing microprocess, rub threshing motion mode and speed, rub threshing mechanical property etc. and accurately test.
Take a broad view of above-mentioned measuring technology and equipment actuality, be badly in need of a kind ofly rubbing that threshing test microcosmic power of test is strong, experimental test key index comprehensively, good, the test exemplar cereal easy for installation, simple in structure and that cost is low of testing equipment versatility rubs threshing testing equipment.
Summary of the invention
The object of the present invention is to provide one to achieve the above object, test index is comprehensive, versatility good, microcosmic is tested the bionical threshing testing stand of rubbing of accurate cereal.
Having the present invention includes off loading puts, lower off loading is put, tracking observation device and metering device and frame, upper off loading is put and is comprised by upper de-motor, upper de-support, coupling band, regulate double-screw bolt and upper de-platform, upper de-motor is fixed in frame by upper de-support, coupling band upper end is bolted on the output shaft of de-motor, regulate double-screw bolt top to be bolted on the lower end of coupling band, the rotation of upper de-motor realizes the rotation that regulates double-screw bolt, while regulating double-screw bolt rotation, drive the upper de-platform rotation that is fixed on its lower end, realize the vertical lift of upper de-platform by regulating the spiral marking connection of double-screw bolt and upper de-platform, thereby upper de-bionical exemplar and upper roll release are fixed on the upper de-platform of common formation on upper de-fixture by fixed head, upper de-platform and lower de-platform form rubs threshing kinematic pair, lower off loading is put and is included lower de-platform, lower de-motor, crank, connecting rod, slide bar, chute and pulling force sensor, de-bionical exemplar passes through protective plate down, spring and adjusting bolt are fixed on the lower de-platform of common formation on lower de-fixture, lower de-platform is hinged on slide bar, lower de-motor is fixed on bottom, frame left side, crank is fixed on the output shaft of lower de-motor, crank, connecting rod, chute and slide bar form slider-crank mechanism, the horizontal reciprocating of realizing lower de-platform by the horizontal reciprocating movement of slide bar moves, pulling force sensor one end is fixed in frame, the other end of pulling force sensor is connected with slide bar by bracing wire, thereby pulley is distributed on and on U-shaped groove, is jointly formed chute by bearing pin and split pin, U-shaped groove and slide rail are fixed in frame jointly, the upper and lower surface of slide bar contacts with pulley respectively and forms rolling friction pair, tracking observation device comprises by high-speed camera, follows the tracks of car and tracking wheel, high-speed camera is fixed on to be followed the tracks of on car, follow the tracks of the anterior and lower de-platform of car and connect realization and synchronize tracking, the tracking wheel of both sides and the top of slide bar form the supported at three point face to lower de-platform jointly, metering device includes pulling force display, upper de-starting switch, upper de-shutdown switch, lower de-starting switch, lower de-shutdown switch, variable-frequency governor and instrument box, pulling force display is fixed on instrument box top, upper de-starting switch, upper de-shutdown switch, lower de-starting switch and lower de-shutdown switch are distributed on instrument box middle part, two variable-frequency governors are fixed on instrument box bottom, and instrument box is fixed on frame right side afterbody.
Direct-coupling after described upper de-platform removes roll release and between lower de-platform formation plane and plane is rubbed, and upper de-platform forms INDIRECT COUPLING while installing roll release and rubs.
The horizontal direction that static, the lower de-platform of described upper de-platform forms while moving back and forth moves and rubs, upper de-platform rotates, lower de-platform forms Plane Rotation when static and rubs, and upper de-platform rotates, lower de-platform forms while moving back and forth and moves, rotating group is box-like rubs.
The end of thread of described adjusting double-screw bolt adopts fine thread, and regulating the adjustable range of double-screw bolt is 0～30mm, and degree of regulation is 1mm.
The material selection lucite of described protective plate, carries out combined type by spring, adjusting bolt and fixes.
The course of work of the present invention and principle are:
When press on instrument box lower de-starting switch time, lower de-electric machine rotation drives crank to move in a circle, connecting rod does oscillating motion, slide bar does horizontal direction and moves back and forth under the position-limiting action of chute, thereby the lower de-platform of slide bar and the hinged drive of lower de-platform does horizontal direction and moves back and forth, the upper de-platform now remaining static and the lower de-platform of motion state form the mobile motion of rubbing, being placed in lower de-bionical exemplar on lower de-platform jointly forms with the upper de-bionical exemplar on upper de-platform the bionical movement that is coupled and rubs kinematic pair, cereal fruit ear is accepted the mobile bionical threshing of rubbing therein, when press on instrument box upper de-starting switch time, upper de-electric machine rotation drives upper de-platform to rotate, the pop-up platform now rotating forms rotation with static lower de-platform and rubs motion, upper de-bionical exemplar and lower de-bionical exemplar jointly form the bionical rotation of coupling and rub kinematic pair, and cereal fruit ear accepts to rotate the bionical threshing of rubbing therein, in the time pressing upper de-starting switch and lower de-starting switch simultaneously, in upper de-driven by motor, de-platform rotates, under lower de-driven by motor, de-platform horizontal direction moves back and forth, upper de-bionical exemplar forms with lower de-bionical exemplar be coupled bionical movement, the box-like kinematic pair of rubbing of rotating group jointly, and cereal fruit ear accepts that combined type is bionical rubs threshing therein.Above-mentioned three kinds of bionical rubbing in threshing motion process, in the time installing roll release, the INDIRECT COUPLING rubbing test scope of operation of de-bionical exemplar and lower de-bionical exemplar in formation, in the time dismantling upper roll release, the direct-coupling rubbing test scope of operation of de-bionical exemplar and lower de-bionical exemplar in formation; The tracking observation device being fixed on lower de-platform carries out high-speed capture through protective plate to grain threshing process, forms the high definition serial-gram of grain threshing microprocess, provides successional picture information for analyzing the bionical threshing microcosmic mechanism of rubbing; Be fixed on pulling force sensor on slide bar and detect that the level of rubbing in threshing course rubs power, and show by pulling force display numeral on instrument box, provide data information for analyzing the bionical mechanical characteristic of rubbing threshing; Change the rotating speed of upper de-motor and lower de-motor by variable-frequency governor, and numeral shows on instrument box, provides data information for analyzing bionical kinetic characteristic of rubbing threshing.
Compared with prior art, tool has the following advantages in the present invention:
1, the motion that lower off loading is put adopts crank and rocker mechanism, is more similar to when human body arm is rubbed threshing and moves, and improves the bionical degree of approximation of rubbing threshing test and the behavior of hand rubbing wheat, reduces manufacturing cost simultaneously;
2, upper de-motor and lower de-motor, by variable-frequency governor control, can be realized stepless speed regulation and the Speed display of rubbing motion, are more convenient to rubbing the threshing analysis of taking exercises;
3, moving back and forth of the rotation of upper de-platform and lower de-platform can test test mobile rub, rotate and rub, combine and rub three kinds of threshing modes, the threshing quality of being more convenient to comparative analysis and rubbing the various motion modes of threshing;
4, upper de-platform regulates by regulating double-screw bolt to realize highly, thereby changes the gap between lower de-platform, is more convenient to the cereal fruit ear of different plant species, different feed quantities to rub threshing test;
5, upper de-bionical exemplar and lower de-bionical exemplar are fixed by slot type, install, dismantle more convenient, and the bionical exemplar of being more convenient for testing different materials is to rubbing the effect of threshing;
6, protective plate is fixed by spring, adjusting bolt, can realize the movement of protective plate by rotating bolt, is convenient to collect the cereal on de-platform in test gap, reduces the take-down time.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the embodiment of the present invention.
Fig. 2 is the upper de-platform schematic perspective view of the embodiment of the present invention.
Fig. 3 is another visual angle schematic perspective view of upper de-platform of the embodiment of the present invention.
Fig. 4 is the lower de-platform schematic perspective view of the embodiment of the present invention.
Fig. 5 is that the lower off loading that the embodiment of the present invention removes after protective plate is put schematic perspective view.
Fig. 6 is the chute schematic perspective view during lower off loading is put.
Wherein: 1-above de-support; 2-above de-motor; 3-coupling band; 4-adjusting double-screw bolt; 5-upper off loading is put; 6-above de-platform; 7-lower de-platform; 8-lower off loading is put; 9-metering device; 10-above de-starting switch; 11-above de-shutdown switch; 12-lower de-starting switch; 13-pulling force display; 14-lower de-shutdown switch; 15-variable-frequency governor; 16-instrument box; 17-pulling force sensor; 18-slide rail; 19-crank; 20-frame; 21-tracking wheel; 22-tracking car; 23-high-speed camera; 24-tracking observation device; 25-above de-fixture; 26-above de-bionical exemplar; 27-fixed head; 28-upper roll release; 29-spring; 30-adjusting bolt; 31-protective plate; 32-lower de-bionical exemplar; 33-lower de-fixture; 34-slide bar; 35-connecting rod; 36-lower de-motor; 37-chute; 38-U-shaped groove; 39-pulley; 40-split pin; 41-bearing pin.
Embodiment
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the present embodiment includes off loading and puts 5, lower off loading puts 8, tracking observation device 24, metering device 9 and frame 20, upper off loading is put 5 and is included de-motor 2, upper de-support 1, coupling band 3, regulate double-screw bolt 4 and upper de-platform 6, upper de-motor 2 is fixed in frame 20 by upper de-support 1, coupling band 3 upper ends are bolted on the output shaft of de-motor 2, regulate double-screw bolt 4 tops to be bolted on the lower end of coupling band 3, the rotation of upper de-motor 2 realizes the rotation that regulates double-screw bolt 4, while regulating double-screw bolt 4 to rotate, drive the upper de-platform 6 that is fixed on its lower end to rotate, realize the vertical lift of upper de-platform 6 by regulating double-screw bolt 4 and the spiral marking connection of upper de-platform 6, upper de-bionical exemplar 26, thereby upper roll release 28 is fixed on the upper de-platform 6 of common formation on upper de-fixture 25 by fixed head 27, upper de-platform 6 forms and rubs threshing kinematic pair with lower de-platform 7, lower off loading is put and is included lower de-platform 7, lower de-motor 36, crank 19, connecting rod 35, slide bar 34, chute 37 and pulling force sensor 17, de-bionical exemplar 32 is by protective plate 31 down, spring 29 and adjusting bolt 30 are fixed on the lower de-platform 7 of common formation on lower de-fixture 33, lower de-platform 7 is hinged on slide bar 34, lower de-motor 36 is fixed on frame 20 bottoms, left side, crank 19 is fixed on the output shaft of lower de-motor 36, crank 19, connecting rod 35, chute 37 and slide bar 34 form slider-crank mechanism, the horizontal reciprocating of realizing lower de-platform 7 by the horizontal reciprocating movement of slide bar 34 moves, pulling force sensor 17 one end are fixed in frame 20, the other end of pulling force sensor 17 is connected with slide bar 34 by bracing wire, pulley 39 is distributed on common formation chute 37 on U-shaped groove 38 by bearing pin 41 and split pin 40, U-shaped groove 38 is fixed in frame 20 jointly with slide rail 18, the upper and lower surface of slide bar 34 contacts with pulley 39 respectively and forms rolling friction pair, tracking observation device 24 includes high-speed camera 23, follows the tracks of car 22 and tracking wheel 21, high-speed camera 23 is fixed on to be followed the tracks of on car 22, follow the tracks of the anterior and lower de-platform 7 of car 22 and connect realizations and synchronize tracking, the tracking wheel 21 of both sides and the top of slide bar 34 form the supported at three point face to lower de-platform 7 jointly, metering device includes pulling force display 13, upper de-starting switch 10, upper de-shutdown switch 11, lower de-starting switch 12, lower de-shutdown switch 14, variable-frequency governor 15 and instrument box 16, pulling force display 13 is fixed on instrument box 16 tops, upper de-starting switch 10, upper de-shutdown switch 11, lower de-starting switch 12 and lower de-shutdown switch 14 are distributed on instrument box 16 middle parts, two variable-frequency governors 15 are fixed on instrument box 16 bottoms, and instrument box 16 is fixed on frame 20 right side afterbodys.
Described de-platform 6 removes roll release 28 direct-coupling rear and that lower de-platform 7 forms between plane and plane and rubs, and upper de-platform 6 forms INDIRECT COUPLING while installing roll release 28 and rubs.
The horizontal direction that static, the lower de-platform 7 of described de-platform 6 forms while moving back and forth moves and rubs, upper de-platform 6 rotates, lower de-platform 7 forms Plane Rotation when static and rubs, and upper de-platform 6 rotates, lower de-platform 7 forms while moving back and forth and moves, rotating group is box-like rubs.
The end of thread of described adjusting double-screw bolt 4 adopts fine thread, and regulating the adjustable range of double-screw bolt 4 is 0～30mm, and degree of regulation is 1mm.
The material selection lucite of described protective plate 31, protective plate 31 carries out combined type by spring 29 and adjusting bolt 30 to be fixed.
Claims (5)
1. the bionical threshing testing stand of rubbing of cereal, it is characterized in that: include off loading and put (5), lower off loading is put (8), tracking observation device (24), metering device (9) and frame (20), upper off loading is put (5) and is included de-motor (2), upper de-support (1), coupling band (3), regulate double-screw bolt (4) and upper de-platform (6), upper de-motor (2) is fixed in frame (20) by upper de-support (1), coupling band (3) upper end is bolted on the output shaft of de-motor (2), regulate double-screw bolt (4) top to be bolted on the lower end of coupling band (3), the rotation of upper de-motor (2) realizes the rotation that regulates double-screw bolt (4), while regulating double-screw bolt (4) rotation, drive upper de-platform (6) rotation that is fixed on its lower end, realize the vertical lift of upper de-platform (6) by regulating double-screw bolt (4) and the spiral marking connection of upper de-platform (6), upper de-bionical exemplar (26) and upper roll release (28) are fixed on the upper common upper de-platform (6) that forms of upper de-fixture (25) by fixed head (27), upper de-platform (6) forms and rubs threshing kinematic pair with lower de-platform (7), lower off loading is put (8) and is included lower de-platform (7), lower de-motor (36), crank (19), connecting rod (35), slide bar (34), chute (37) and pulling force sensor (17), de-bionical exemplar (32) is by protective plate (31) down, spring (29) and adjusting bolt (30) are fixed on the upper common lower de-platform (7) that forms of lower de-fixture (33), lower de-platform (7) is hinged on slide bar (34), lower de-motor (36) is fixed on bottom, frame (20) left side, crank (19) is fixed on the output shaft of lower de-motor (36), crank (19), connecting rod (35), chute (37) and slide bar (34) form slider-crank mechanism, the horizontal reciprocating of realizing lower de-platform (7) by the horizontal reciprocating movement of slide bar (34) moves, pulling force sensor (17) one end is fixed in frame (20), the other end of pulling force sensor (17) is connected with slide bar (34) by bracing wire, pulley (39) is distributed on the upper common chute (37) that forms of U-shaped groove (38) by bearing pin (41) and split pin (40), U-shaped groove (38) is fixed in frame (20) jointly with slide rail (18), the upper and lower surface of slide bar (34) contacts with pulley (39) respectively and forms rolling friction pair, tracking observation device (24) includes high-speed camera (23), follows the tracks of car (22) and tracking wheel (21), high-speed camera (23) is fixed on to be followed the tracks of on car (22), follow the tracks of that car (22) is anterior to be connected realization with lower de-platform (7) and synchronize tracking, the tracking wheel (21) of both sides and the top of slide bar (34) form the supported at three point face to lower de-platform (7) jointly, metering device (9) includes pulling force display (13), upper de-starting switch (10), upper de-shutdown switch (11), lower de-starting switch (12), lower de-shutdown switch (14), variable-frequency governor (15) and instrument box (16), pulling force display (13) is fixed on instrument box (16) top, upper de-starting switch (10), upper de-shutdown switch (11), lower de-starting switch (12) and lower de-shutdown switch (14) are distributed on instrument box (16) middle part, two variable-frequency governors (15) are fixed on instrument box (16) bottom, instrument box (16) is fixed on frame (20) right side afterbody.
2. the bionical threshing testing stand of rubbing of a kind of cereal according to claim 1, it is characterized in that: the direct-coupling after described de-platform (6) removes roll release (28) and between lower de-platform (7) formation plane and plane is rubbed, and upper de-platform (6) forms INDIRECT COUPLING while installing roll release (28) and rubs.
3. the bionical threshing testing stand of rubbing of a kind of cereal according to claim 1, it is characterized in that: the static lower de-platform of described de-platform (6) (7) forms horizontal direction and moves and rub while moving back and forth, upper de-platform (6) rotates lower de-platform (7) and forms Plane Rotation when static and rub, upper de-platform (6) rotate when lower de-platform (7) moves back and forth, form mobile, rotating group is box-like rubs.
4. the bionical threshing testing stand of rubbing of a kind of cereal according to claim 1, is characterized in that: the end of thread of described adjusting double-screw bolt (4) adopts fine thread, and regulating the adjustable range of double-screw bolt (4) is 0～30mm, and degree of regulation is 1mm.
5. the bionical threshing testing stand of rubbing of a kind of cereal according to claim 1, is characterized in that: the material selection lucite of described protective plate (31), protective plate (31) carries out combined type by spring (29) and adjusting bolt (30) to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123579.0A CN103858615B (en) | 2014-03-29 | 2014-03-29 | Cereal bionic rubbing threshing test bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410123579.0A CN103858615B (en) | 2014-03-29 | 2014-03-29 | Cereal bionic rubbing threshing test bed |
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| CN103858615A true CN103858615A (en) | 2014-06-18 |
| CN103858615B CN103858615B (en) | 2014-10-22 |
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Cited By (3)
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| CN105875068A (en) * | 2015-01-20 | 2016-08-24 | 朱培池 | Hull twisting thresher |
| CN109220239A (en) * | 2018-09-06 | 2019-01-18 | 河北省农林科学院粮油作物研究所 | One kind is for wet cereal flexibility to stranding sheller unit |
| CN116868784A (en) * | 2023-09-08 | 2023-10-13 | 黑龙江省农业科学院大庆分院 | Threshing device for soybean and corn banded composite planting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105875068A (en) * | 2015-01-20 | 2016-08-24 | 朱培池 | Hull twisting thresher |
| CN109220239A (en) * | 2018-09-06 | 2019-01-18 | 河北省农林科学院粮油作物研究所 | One kind is for wet cereal flexibility to stranding sheller unit |
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| CN116868784A (en) * | 2023-09-08 | 2023-10-13 | 黑龙江省农业科学院大庆分院 | Threshing device for soybean and corn banded composite planting |
| CN116868784B (en) * | 2023-09-08 | 2023-11-21 | 黑龙江省农业科学院大庆分院 | Threshing device for soybean and corn banded composite planting |
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