CN203136544U - Combine-harvester grain loss monitoring sensor performance calibration test bench - Google Patents
Combine-harvester grain loss monitoring sensor performance calibration test bench Download PDFInfo
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- CN203136544U CN203136544U CN 201320119734 CN201320119734U CN203136544U CN 203136544 U CN203136544 U CN 203136544U CN 201320119734 CN201320119734 CN 201320119734 CN 201320119734 U CN201320119734 U CN 201320119734U CN 203136544 U CN203136544 U CN 203136544U
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- loss monitoring
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Abstract
The utility model provides a combine-harvester grain loss monitoring sensor performance calibration test bench, and belongs to the design field of combine-harvester grain loss monitoring sensor calibration test benches. The combine-harvester grain loss monitoring sensor performance calibration test bench is composed of two function parts, wherein one part is composed of a feeding device, a lifting platform, a fixed support, a stepping motor, a lead screw, a lead screw nut, a linear guide rail and sliding blocks and is used for controlling the grain falling density, the grain falling speed and falling positions, on the surface of a grain loss monitoring sensor, of grains; the other part is composed of a first platform, a first supporting base, a first connecting rod, a second platform, a direct-current motor, a stepped shaft sleeve, a second connecting rod, a third connecting rod, springs, spring limiting pins, a third platform, an electromagnet stationary plate, an electromagnet moving plate, a second supporting base, a rotating shaft and a grain loss monitoring sensor installation platform. The combine-harvester grain loss monitoring sensor performance calibration test bench is used for simulating conditions of reciprocating motion and vibration of the tail portion of a vibration screen, and calibration of the performance of the grain loss monitoring sensor is finished together under the action of cooperation of the two parts.
Description
Technical field
The utility model belongs to combined harvester seed loss monitoring sensor rating test platform design field, is specifically related to a kind of combined harvester seed loss monitoring sensor performance rating test platform.
Background technology
The present pneumatic jig formula version of being formed by blower fan and vibration sorting screen that mainly adopts of combined harvester cleaning plant.Cleaning loss percentage then is the main performance index of weighing the combined harvester transaction capabilities, and along with improving constantly of the intelligent degree of domestic combined harvester, domestic scholars has begun the research of seed loss monitoring sensor.The stability of seed loss monitoring sensor performance is directly connected to the precision of monitoring, is necessary that therefore the seed loss monitoring sensor of developing is carried out performance to be demarcated.The biography seed loss monitoring sensor caliberating device of pertinent literature report is too simple and crude, just seed loss monitoring sensor is carried out static demarcating, be that seed loss monitoring sensor keeps static, by micro electromagnetic batcher simulation seed dropping process, by regulating the exciting current of vibrator, make seed fall to clashing into seed loss monitoring sensor by certain speed.The problem that exists mainly is: calibration facility can not lose the environment of monitoring sensor installation site by the real simulation seed; Electro-vibrating feeder makes seed concentrated relatively at the drop point of sensor surface.Because seed loss monitoring sensor is installed in the afterbody of vibration sorting screen, the operating environment more complicated, and vibration interference is arranged, the seed loss monitoring sensor detection speed that present stage develops can reach 500 ~ 800/second, and the seed of reporting in document loss monitoring sensor performance scaling method can not effectively be judged the performance of seed loss monitoring sensor.Therefore, well behaved seed loses real-time monitoring sensor performance rating test platform has become problem demanding prompt solution, and up to now, China does not see the report of ripe seed loss monitoring sensor performance caliberating device as yet.
Summary of the invention
The utility model is for detection of combined harvester seed loss monitoring sensor performance, seeks the rating test platform that seed loses the monitoring sensor best position, can provide test basis for research and development, the performance test that seed loses monitoring sensor, to the stability that improves seed loss monitoring sensor performance, guarantee that seed loss monitoring sensor operation quality is significant.
In order to achieve the above object, the technical solution adopted in the utility model is: the utility model is made up of two funtion parts, a part is made of charging gear, hoistable platform, fixed support, stepping motor, leading screw, feed screw nut, line slideway, slide block, is used to control seed whereabouts density, speed and seed in the drop point site on seed loss monitoring sensor surface; Another part is configured for analog vibration tail end portion and is moved back and forth and the vibration situation by platform one, supporting seat one, connecting rod one, platform two, dc motor, ladder axle sleeve, connecting rod two, connecting rod three, spring, spring spacer pin, platform three, electromagnet still, electromagnet moving plate, supporting seat two, rotating shaft, seed loss monitoring sensor mounting platform; Two parts cooperate the demarcation of finishing seed loss monitoring sensor performance.
Concrete scheme of the present utility model is: device of the present utility model comprises charging gear, chute, hoistable platform, fixed support, stepping motor, leading screw, feed screw nut, rubber blanket, base, the right angle connects sign indicating number, line slideway, slide block, platform one, supporting seat one, connecting rod one, platform two, dc motor, the ladder axle sleeve, connecting rod two, connecting rod three, spring, the spring spacer pin, platform three, the electromagnet still, the electromagnet moving plate, supporting seat two, rotating shaft, seed loss monitoring sensor mounting platform; Chute is welded on the feed cell wall and forms double-deck feeding structure, and charging gear makes feeder trough produce vibration under the control of electric controller, under the effect of the restoring force of flat spring, promote seed in the chute slideway to preceding sliding; Charging gear is by being bolted to hoistable platform upper plate top; Fixed support be with the aluminium alloy plate Bending Processing form, width equates with the width of base, the fixed support both sides are by T type bolt and square nut and utilize the aluminium alloy extrusions medial launder to be fixed on four sections aluminium alloy extrusions to be connected on the rectangular box base that sign indicating number, T type bolt and square nut be spliced by the right angle, can to realize the adjusting of fixed support installation site on the base left and right directions by the relative position that changes T type bolt and aluminium alloy extrusions medial launder; Stepping motor is fixed by bolts on the fixed support; Leading screw is installed in center, fixed support top and bottom symmetric position by the leading screw supporting seat, in the symmetric position perforate of fixed support central upper portion so that leading screw upper end optical axis stretch out; Leading screw upper end optical axis links to each other with stepping motor by yielding coupling, and feed screw nut is sleeved on and constitutes the lead screw pair drive mechanism on the leading screw, and feed screw nut connects sign indicating number by the right angle and is connected on the hoistable platform lower shoe; Slide block, line slideway mainly play the guiding role, and are fixed by bolts on two rectangular steel pipes of right-hand member between the hoistable platform upper and lower bottom plate after four slide block sets are contained on the line slideway, and line slideway vertically is fixed on fixed support madial wall marginal position with bolt; Stepping motor is converted to moving up and down of feed screw nut by leading screw rotatablely moving, and realizes the adjusting of charging gear on short transverse thereby feed screw nut drives hoistable platform; Utilize T type bolt and square nut to be connected on the base by the aluminium section bar medial launder with base with the platform one of width, can be by regulating relative position move left and right on base aluminium section bar medial launder of T type bolt and aluminium alloy extrusions medial launder, to guarantee all to drop on seed loss monitoring sensor surface from the seed that charging gear falls; Dc motor utilize the installation locating hole of self to be installed in platform one center symmetric position by bolt and in the symmetric position perforate of the center of platform one so that the dc motor power take-off stretches out; Ladder axle sleeve centre bore is connected on the dc motor output shaft by flat key, opening screwed hole at ladder axle sleeve larger diameter end face edge links to each other with connecting rod one left end hole by bolt, connecting rod three bottoms are riveted on the connecting rod one right-hand member hole, connecting rod three top cars go out screw thread, in platform two corresponding position perforates, by nut connecting rod three is linked to each other with platform two.Supporting seat is that the right angle connects sign indicating number, and the right angle connects sign indicating number and is separately fixed on platform one and two or four angles of platform by bolt; Connecting rod one is two ends bar linkage structures with holes, four connecting rods one are connected on the supporting seat of platform one and platform two by bolt, platform one, connecting rod one, platform two are constituted a parallel-crank mechanism, and the circular motion of dc motor converts the reciprocating motion of platform two to and simulates the reciprocating motion of seed loss monitoring sensor installed position-combined harvester vibratory sieve to drive parallel-crank mechanism.Both ends of the spring is welded on respectively on platform two and the platform three, and the spring spacer pin is welded on the platform two and makes the central axes of spring spacer pin and spring, and is excessive to prevent platform three play amplitudes; Vibration situation for simulation seed loss monitoring sensor installed position on combined harvester, the electromagnet still by being bolted to platform two center symmetric positions, the electromagnet moving plate is by being bolted to platform three center symmetric positions, and electromagnet still, electromagnet moving plate produce periodically adhesive action and then make platform three produce periodic swinging under the control of electric controller.For realizing the adjusting of seed loss monitoring sensor setting angle, seed loss monitoring sensor to different setting angles is demarcated, seek best setting angle, rotating shaft is supported on the supporting seat two at platform three two ends, two supporting seats two are welded on the two ends of platform three, be provided with screw thread at rotating shaft terminal, the two ends of rotating shaft are fixedly supported on the supporting seat two at platform three two ends; In the outside of supporting seat two, rotating shaft terminal is provided with and screws nut; Along the axial welding seed loss monitoring sensor mounting platform of rotating shaft, the extrusion friction power that the rotation by rotating shaft and rotating shaft terminal screw nut and two of supporting seats realizes that jointly seed loses the adjusting of monitoring sensor setting angle.
In the course of work, in the definite sliding speed of good seed in charging gear, the height that seed falls, under the prerequisite of the angle that seed loss monitoring sensor is installed, regulate dc motor earlier, the electromagnet still, the adhesive frequency of electromagnet moving plate, make platform two, platform three obtains a stable rocking tendency and amplitude respectively, then regulate the position of hoistable platform on base, guarantee that seed all drops on the seed loss monitoring sensor surface, regulate the vibration frequency of charging gear electromagnet at last, the seed in the charging gear is slided under the speed of determining fast continuously.
The effect that the utility model is obtained: the utility model real simulated the environment of combined harvester seed loss monitoring sensor installed position, seed is even relatively at the drop point on seed loss monitoring sensor surface, seed falling speed, controllable density can satisfy detecting the requirement of the higher seed loss of frequency monitoring sensor performance test.The utility model can provide test basis for research and development, the performance test that seed loses monitoring sensor, to the stability that improves seed loss monitoring sensor performance, guarantee that seed loss monitoring sensor operation quality is significant.
Description of drawings
Fig. 1 is the structural front view of combined harvester seed loss monitoring sensor performance rating test platform.
Fig. 2 is the section of structure of chute slideway.
Among the figure: charging gear 1, chute 2, hoistable platform 3, fixed support 4, stepping motor 5, leading screw 6, feed screw nut 7, rubber blanket 8, base 9, the right angle connects sign indicating number 10, line slideway 11, slide block 12, platform 1, supporting seat 1, connecting rod 1, platform 2 16, dc motor 17, ladder axle sleeve 18, connecting rod 2 19, connecting rod 3 20, spring 21, spring spacer pin 22, platform 3 23, electromagnet still 24, electromagnet moving plate 25, supporting seat 2 26, rotating shaft 27, sensor mounting platform 28.
Embodiment
In conjunction with Fig. 1, charging gear 1 is the electric and magnetic oscillation charging gear, and the electric and magnetic oscillation charging gear is controlled the delivery rate of charging gear 1 by the adhesive frequency of supporting electric controller control electric and magnetic oscillation charging gear electromagnet; Chute 2 is welded on and constitutes double-deck feeding structure on the trough sidewalls of charging gear 1; The slideway structure of chute 2 is: in the cutting plane vertical with the seed gliding direction, the slideway cross sectional shape is semicircle or V font.Charging gear 1 is by being bolted on the hoistable platform 3; Fixed support 4 is the structures that form with the aluminium alloy plate Bending Processing, width with equate by the width that the right angle is connected the rectangular box base 9 that sign indicating number, T type bolt and square nut be spliced with four sections aluminium alloy extrusions, fixed support 4 both sides are by T type bolt and square nut and utilize the aluminium alloy extrusions medial launder to be fixed on the base 9, can realize the adjusting of fixed support 4 installation site on base 9 left and right directions by the relative position that changes T type bolt and aluminium alloy extrusions medial launder; Stepping motor 5 is fixed by bolts to above the fixed support 4; Leading screw 6 is installed in center, fixed support 4 top and bottom symmetric position by the leading screw supporting seat, center symmetric position perforate on fixed support 4 so that leading screw 6 upper end optical axises stretch out; Leading screw 6 upper end optical axises link to each other with stepping motor 5 by yielding coupling, and feed screw nut 7 is sleeved on and constitutes the lead screw pair drive mechanism on the leading screw 6, and feed screw nut 7 connects sign indicating number 10 by the right angle and is connected on hoistable platform 3 lower shoes; Slide block 12, line slideway 11 mainly play the guiding role, be fixed by bolts to after slide block 12 is sleeved on the line slideway 11 on two rectangular steel pipes between hoistable platform 3 upper and lower bottom plates, line slideway 11 usefulness bolts vertically are fixed on fixed support 4 madial wall marginal positions; Stepping motor 5 is converted to moving up and down of feed screw nut 7 by leading screw 6 rotatablely moving, and realizes the adjusting of charging gear 1 on short transverse thereby feed screw nut 7 drives hoistable platform 3; Platform 1 be one with the rectangular steel plates of base 9 with width, platform 1 utilizes T type bolt and square nut to be connected on the base 9 by the aluminium section bar medial launder, platform 1 can be by regulating relative position move left and right on base 9 aluminium section bar medial launders of T type bolt and aluminium alloy extrusions medial launder, to guarantee all to drop on seed loss monitoring sensor surface from the seed that charging gear 1 falls; Dc motor 17 utilize the installation locating hole of self to be installed in platform one 13 center symmetric positions by bolt and in the symmetric position perforate of the center of platform 1 so that dc motor 17 power take-offs stretch out; Described ladder axle sleeve 18 is connected on dc motor 17 output shafts by flat key, opening screwed hole at ladder axle sleeve 18 major diameter end face edges links to each other with connecting rod 2 19 left end holes by bolt, connecting rod 3 20 bottoms are riveted on the connecting rod 2 19 right-hand member holes, connecting rod 3 20 top cars go out screw thread, in platform 2 16 relevant position perforates, by nut connecting rod 3 20 is linked to each other with platform 2 16.Described supporting seat 1 connects sign indicating number for the right angle, and the right angle connects sign indicating number and is separately fixed on platform 1 and 2 16 4 angles of platform by bolt; Connecting rod 1 is two ends bar linkage structures with holes, four connecting rods 1 are connected on the supporting seat 14 of platform 1 and platform 2 16 by bolt, platform 1, connecting rod 1, platform 2 16 are constituted a parallel-crank mechanism, and the circular motion of dc motor 17 converts the reciprocating motion of platform 2 16 to and simulates the reciprocating motion of seed loss monitoring sensor installed position-combined harvester vibratory sieve to drive parallel-crank mechanism.Spring 21 two ends are welded on respectively on platform 2 16 and the platform 3 23, and spring spacer pin 22 is welded on the platform 2 16 and makes the central axes of spring spacer pin 22 and spring 21, and is excessive to prevent platform 3 23 play amplitudes; Electromagnet still 24 is by being bolted to platform 2 16 center symmetric positions; Electromagnet moving plate 25 is by being bolted to platform 3 23 center symmetric positions, electromagnet still 24, electromagnet moving plate 25 produce periodically adhesive action and then make platform 3 23 produce periodic swinging under the control of electric controller, simulate the vibration situation of seed loss monitoring sensor installed position on combined harvester.Two supporting seats 2 26 are welded on the two ends of platform 3 23, are provided with screw thread at rotating shaft 27 two ends, and the two ends of rotating shaft 27 are fixedly supported on the supporting seat 2 26 at platform 3 23 two ends; In the outside of supporting seat 2 26, rotating shaft 27 two ends are provided with and screw nut; Along the axial welding seed loss monitoring sensor mounting platform 28 of rotating shaft 27, the extruding force that the rotation by rotating shaft 27 and rotating shaft 27 two ends screw nut and 2 26 of supporting seats realizes that jointly seed loses the adjusting of monitoring sensor setting angle.
The slideway structure of chute 2 is: in the cutting plane vertical with the seed gliding direction, the slideway cross sectional shape is semicircle or V font, as shown in Figure 2.
In the course of work, in the definite sliding speed of good seed in charging gear, the height that seed falls, under the prerequisite of sensor installation site, regulate the rotating speed of dc motor 17 earlier, electromagnet still 24, the adhesive frequency of electromagnet moving plate 25, make platform 2 14, platform 3 17 obtains a stable rocking tendency and amplitude respectively, then regulate the position of hoistable platform 3 on base 9, guarantee that seed all drops on the seed loss monitoring sensor surface, regulate the electric controller of charging gear electromagnet at last, the seed in the charging gear 1 is slided under the speed of determining fast continuously.
Claims (6)
1. a combined harvester seed loses monitoring sensor performance rating test platform, it is characterized in that, comprise charging gear (1), chute (2), hoistable platform (3), fixed support (4), stepping motor (5), leading screw (6), feed screw nut (7), rubber blanket (8), base (9), the right angle connects sign indicating number (10), line slideway (11), slide block (12), platform one (13), supporting seat one (14), connecting rod one (15), platform two (16) dc motors (17), ladder axle sleeve (18), connecting rod two (19), connecting rod three (20), spring (21), spring spacer pin (22), platform three (23), electromagnet still (24), electromagnet moving plate (25), supporting seat two (26), rotating shaft (27), seed loss monitoring sensor mounting platform (28); Described charging gear (1) is the electric and magnetic oscillation charging gear, and the electric and magnetic oscillation charging gear is controlled the delivery rate of charging gear (1) by the adhesive frequency of supporting electric controller control electric and magnetic oscillation charging gear electromagnet; Described chute (2) is welded on and constitutes double-deck feeding structure between the both sides trough sidewalls of charging gear (1); Described charging gear (1) is by being bolted to hoistable platform (3) top; Described base (9) is rectangular box, described fixed support (4) is cube frame, fixed support (4) width equates with the width of base (9), fixed support (4) both sides are bolted on the base (9) by the T type, and the relative position of the rectangular box by changing T type bolt and base (9) is regulated the installation site on base (9) left and right directions fixed support (4); Described stepping motor (5) is fixed by bolts to fixed support (4) top; Described leading screw (6) is installed in the center symmetric position of the top and bottom of fixed support (4) by the leading screw supporting seat; Leading screw (6) upper end optical axis links to each other with stepping motor (5) by yielding coupling, and described feed screw nut (7) is sleeved on leading screw (6) and goes up formation lead screw pair drive mechanism; Described hoistable platform (3) is by upper plate, lower shoe and four frame structures that the rectangle square tube is welded; Feed screw nut (7) connects sign indicating number (10) by the right angle and is connected on the lower shoe of hoistable platform (3); Four slide blocks (12) are fixed on two vertical rectangle square tubes between hoistable platform (3) upper plate and the lower shoe, line slideway (11) vertically is fixed on the vertical marginal position of fixed support (4) madial wall with bolt, and four slide blocks (12) are sleeved on the line slideway (11); Described platform one (13) be one with the rectangular steel plates of base (9) with width, platform one (13) utilizes T type bolt to be connected on the base (9), platform one (13) is gone up move left and right by the relative position of regulating T type bolt at base (9); Described dc motor (17) is installed in platform one (13) bottom by bolt, is positioned at the center symmetric position of platform one (13), and in the symmetric position perforate of the center of platform one (13) so that dc motor (17) power take-off stretches out; The centre bore of described ladder axle sleeve (18) is connected on dc motor (17) output shaft by flat key, opening screwed hole at ladder axle sleeve (18) major diameter end face edge links to each other with connecting rod two (19) left end holes by bolt, connecting rod three (20) bottoms are riveted on connecting rod two (19) the right-hand member holes, connecting rod three (20) upper ends are provided with screw thread, in platform two (16) relevant position perforates, by nut connecting rod three (20) is linked to each other with platform two (16); Described supporting seat (14) connects sign indicating number for the right angle, and the right angle connects sign indicating number and is separately fixed on platform one (13) and two (16) four angles of platform by bolt; Connecting rod one (15) is two ends bar linkage structures with holes, four connecting rods one (15) are connected on the supporting seat (14) of platform one (8) and platform two (16) by bolt, platform one (13), connecting rod one (15), platform two (16) are constituted a parallel-crank mechanism, and the circular motion of dc motor (17) converts the reciprocating motion of platform two (16) to; Described spring (21) two ends are welded on respectively on platform two (16) and the platform three (23), described spring spacer pin (22) is welded on the central axes that spring spacer pin (22) and spring (21) were gone up and made to platform two (16), prevents that platform three (23) play amplitudes are excessive; Described electromagnet still (24) is by being bolted to the center symmetric position on platform two (16) tops; Electromagnet moving plate (25) is by being bolted to the center symmetric position of platform three (23) bottoms, and electromagnet still (24) and electromagnet moving plate (25) produce periodically adhesive action and then make platform three (23) produce periodic swinging under the control of electric controller; Described two supporting seats two (26) are welded on the two ends of platform three (23), are provided with screw thread at rotating shaft (27) two ends, and the two ends of described rotating shaft (27) are fixedly supported on the supporting seat two (26) at platform three (23) two ends; In the outside of supporting seat two (26), rotating shaft (27) two ends are provided with and screw nut; Axial welding seed loss monitoring sensor mounting platform (28) along rotating shaft (27).
2. combined harvester seed according to claim 1 loses monitoring sensor performance rating test platform, and the slideway structure form that it is characterized in that described chute (2) is semi-circular groove or V-shaped groove, and the slideway number is 4 row, 6 row, 8 row or 10 row.
3. combined harvester seed loss monitoring sensor performance rating test platform according to claim 1 is characterized in that the following left hand edge of described hoistable platform (4) is mobile in the scope of distance base (9) left end 100-300mm.
4. combined harvester seed loss monitoring sensor performance rating test platform according to claim 1 is characterized in that lower floor's discharging opening of described charging gear (1) is regulated in the 250mm-500mm scope apart from the vertical distance at rotating shaft (27) center.
5. combined harvester seed loss monitoring sensor performance rating test platform according to claim 1 is characterized in that described seed loss monitoring sensor mounting platform (28) angle is regulated in 0-75 ° of scope.
6. combined harvester seed loss monitoring sensor performance rating test platform according to claim 1 is characterized in that the bottom that described base is (9) four jiaos is equipped with rubber blanket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119734 CN203136544U (en) | 2013-03-15 | 2013-03-15 | Combine-harvester grain loss monitoring sensor performance calibration test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119734 CN203136544U (en) | 2013-03-15 | 2013-03-15 | Combine-harvester grain loss monitoring sensor performance calibration test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203136544U true CN203136544U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320119734 Withdrawn - After Issue CN203136544U (en) | 2013-03-15 | 2013-03-15 | Combine-harvester grain loss monitoring sensor performance calibration test bench |
Country Status (1)
| Country | Link |
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| CN (1) | CN203136544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112337606A (en) * | 2020-10-20 | 2021-02-09 | 冯彦杰 | Screening device is prevented blockking up by material for chemical production |
-
2013
- 2013-03-15 CN CN 201320119734 patent/CN203136544U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112337606A (en) * | 2020-10-20 | 2021-02-09 | 冯彦杰 | Screening device is prevented blockking up by material for chemical production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150610 |
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| RGAV | Abandon patent right to avoid regrant |